/* roulang page: index */
:root {
            --brand-green: #C8FF3D;
            --brand-green-deep: #A8E623;
            --brand-green-bright: #D8FF66;
            --brand-dark: #171A21;
            --brand-dark-2: #1E222B;
            --brand-dark-3: #232833;
            --brand-orange: #FF6B35;
            --brand-orange-deep: #E5551F;
            --brand-orange-pale: #FF8C5F;
            --bg-light: #F4F6F8;
            --bg-white: #FFFFFF;
            --bg-soft: #EEF1F5;
            --text-primary: #1A1D24;
            --text-secondary: #5B6472;
            --text-tertiary: #8A93A3;
            --text-on-dark: #F2F5F8;
            --text-on-dark-secondary: #B8C0CB;
            --border-color: #E4E8EE;
            --border-color-dark: rgba(255,255,255,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 16px;
            --radius-pill: 999px;
            --shadow-light: 0 4px 16px rgba(18,24,35,0.06);
            --shadow-medium: 0 8px 24px rgba(18,24,35,0.1);
            --shadow-dark: 0 12px 32px rgba(0,0,0,0.28);
            --shadow-green-glow: 0 4px 24px rgba(200,255,61,0.28);
            --font-chinese: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --section-padding-desktop: 88px;
            --section-padding-mobile: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-chinese);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            text-decoration: none;
            opacity: 0.82;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-orange);
            outline-offset: 2px;
            border-radius: var(--radius-pill);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-chinese);
            color: var(--text-primary);
            margin-top: 0;
        }

        h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 20px;
        }

        h2 {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
        }

        h3 {
            font-size: 20px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 10px;
        }

        p {
            margin-bottom: 16px;
            max-width: 720px;
        }

        .container-width {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-padding {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .section-padding-sm {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .bg-white {
            background-color: var(--bg-white);
        }

        .bg-light {
            background-color: var(--bg-light);
        }

        .bg-soft {
            background-color: var(--bg-soft);
        }

        .bg-dark {
            background-color: var(--brand-dark);
        }

        .bg-dark-2 {
            background-color: var(--brand-dark-2);
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            background-color: var(--bg-soft);
            margin-bottom: 14px;
            border: 1px solid var(--border-color);
        }

        .section-tag-green {
            background-color: rgba(200,255,61,0.15);
            color: var(--brand-green-deep);
            border-color: rgba(200,255,61,0.4);
        }

        .section-tag-orange {
            background-color: rgba(255,107,53,0.1);
            color: var(--brand-orange);
            border-color: rgba(255,107,53,0.35);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-desc-light {
            color: var(--text-on-dark-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-medium);
            opacity: 1;
        }

        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary {
            background-color: var(--brand-green);
            color: var(--brand-dark);
            border-color: var(--brand-green);
        }

        .btn-primary:hover {
            background-color: var(--brand-green-deep);
            border-color: var(--brand-green-deep);
            box-shadow: var(--shadow-green-glow);
        }

        .btn-secondary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-secondary:hover {
            background-color: var(--brand-orange-deep);
            border-color: var(--brand-orange-deep);
            box-shadow: 0 8px 24px rgba(255,107,53,0.35);
        }

        .btn-outline-light {
            background-color: transparent;
            color: var(--text-on-dark);
            border-color: rgba(255,255,255,0.3);
        }

        .btn-outline-light:hover {
            border-color: var(--brand-green);
            color: var(--brand-green);
            background-color: rgba(200,255,61,0.08);
        }

        .btn-ghost {
            background-color: transparent;
            color: var(--text-primary);
            border-color: var(--border-color);
        }

        .btn-ghost:hover {
            border-color: var(--brand-green-deep);
            color: var(--brand-green-deep);
            background-color: rgba(200,255,61,0.08);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 16px;
        }

        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
            background-color: var(--bg-soft);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        .badge-green {
            background-color: rgba(200,255,61,0.2);
            color: var(--brand-green-deep);
            border-color: rgba(200,255,61,0.4);
        }

        .badge-orange {
            background-color: rgba(255,107,53,0.12);
            color: var(--brand-orange);
            border-color: rgba(255,107,53,0.35);
        }

        .badge-dark {
            background-color: rgba(255,255,255,0.1);
            color: var(--text-on-dark-secondary);
            border-color: var(--border-color-dark);
        }

        .card {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-medium);
            border-color: var(--brand-green-deep);
        }

        .card-dark {
            background-color: var(--brand-dark-2);
            border-color: var(--border-color-dark);
            box-shadow: var(--shadow-dark);
        }

        .card-dark:hover {
            border-color: var(--brand-green);
            box-shadow: 0 16px 40px rgba(0,0,0,0.35);
        }

        .card-highlight {
            background-color: rgba(200,255,61,0.06);
            border-color: rgba(200,255,61,0.3);
        }

        .card-orange-border {
            border-color: rgba(255,107,53,0.4);
        }

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 20px;
            background-color: var(--bg-soft);
            color: var(--text-primary);
        }

        .card-icon-green {
            background-color: rgba(200,255,61,0.15);
            color: var(--brand-green-deep);
        }

        .card-icon-orange {
            background-color: rgba(255,107,53,0.12);
            color: var(--brand-orange);
        }

        /* Header / Navigation */
        .site-header {
            position: fixed;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            width: 72%;
            max-width: 1200px;
            z-index: 100;
            background-color: rgba(23,26,33,0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            box-shadow: 0 8px 28px rgba(0,0,0,0.3);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all var(--transition-base);
        }

        .site-header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .site-header .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .site-header .logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--brand-green);
            display: inline-block;
            box-shadow: 0 0 8px rgba(200,255,61,0.6);
            flex-shrink: 0;
        }

        .site-header .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .site-header .main-nav li {
            margin: 0;
        }

        .site-header .main-nav a {
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .site-header .main-nav a:hover {
            color: #FFFFFF;
            background-color: rgba(255,255,255,0.08);
            opacity: 1;
        }

        .site-header .main-nav a.active {
            color: var(--brand-green);
            background-color: rgba(200,255,61,0.1);
            position: relative;
        }

        .site-header .main-nav a.active::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--brand-green);
            box-shadow: 0 0 6px rgba(200,255,61,0.7);
            flex-shrink: 0;
        }

        .site-header .header-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-cta-btn {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border: none;
            padding: 9px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .header-cta-btn:hover {
            background-color: var(--brand-orange-deep);
            box-shadow: 0 4px 16px rgba(255,107,53,0.4);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
            padding: 4px;
            z-index: 110;
        }

        .hamburger span {
            width: 26px;
            height: 2.5px;
            background-color: #FFFFFF;
            border-radius: 2px;
            transition: all var(--transition-base);
            display: block;
        }

        .hamburger.open span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.open span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .mobile-menu {
            display: none;
            background-color: rgba(23,26,33,0.95);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-card);
            padding: 16px 12px;
            margin-top: 10px;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: var(--shadow-dark);
        }

        .mobile-menu ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-menu a {
            color: var(--text-on-dark-secondary);
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--brand-green);
            background-color: rgba(200,255,61,0.08);
        }

        .mobile-menu a.active::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--brand-green);
        }

        /* Hero */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 60px;
            background-color: var(--brand-dark);
            position: relative;
            overflow: hidden;
            min-height: 90vh;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,255,61,0.12) 0%, rgba(200,255,61,0.05) 40%, transparent 70%);
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            border: 2px solid rgba(200,255,61,0.1);
            pointer-events: none;
        }

        .hero-bg-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.16;
            border-radius: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(23,26,33,0.95) 0%, rgba(23,26,33,0.7) 45%, rgba(23,26,33,0.85) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 100%;
            padding: 40px 0;
        }

        .hero-title {
            color: #FFFFFF;
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 20px;
        }

        .hero-subtitle {
            color: var(--text-on-dark-secondary);
            font-size: 17px;
            line-height: 1.8;
            max-width: 620px;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 36px;
        }

        .hero-trust-bar {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            padding: 14px 20px;
            background-color: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-pill);
        }

        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-on-dark-secondary);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
        }

        .hero-trust-item strong {
            color: var(--brand-green);
            font-weight: 700;
        }

        .hero-trust-divider {
            width: 1px;
            height: 20px;
            background-color: rgba(255,255,255,0.2);
        }

        .hero-right-panel {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-data-card {
            background-color: rgba(255,255,255,0.07);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-card);
            padding: 28px;
            width: 100%;
            max-width: 380px;
            box-shadow: var(--shadow-dark);
        }

        .hero-data-card .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            color: var(--text-on-dark-secondary);
            font-size: 14px;
        }

        .hero-data-card .data-row:last-child {
            border-bottom: none;
        }

        .hero-data-card .data-value {
            color: var(--brand-green);
            font-weight: 700;
            font-size: 18px;
        }

        .hero-data-card .data-value-orange {
            color: var(--brand-orange);
            font-weight: 700;
        }

        /* Signal Bar */
        .signal-bar {
            background-color: var(--brand-dark-2);
            padding: 16px 0;
            overflow: hidden;
            border-top: 1px solid rgba(255,255,255,0.06);
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }

        .signal-scroll {
            display: flex;
            align-items: center;
            gap: 12px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            white-space: nowrap;
            padding: 4px 0;
        }

        .signal-scroll::-webkit-scrollbar {
            display: none;
        }

        .signal-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background-color: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: var(--radius-pill);
            color: var(--text-on-dark-secondary);
            font-size: 13px;
            font-weight: 500;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .signal-chip .signal-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-green);
            box-shadow: 0 0 6px rgba(200,255,61,0.7);
            animation: pulse-dot 1.8s infinite;
        }

        .signal-chip .signal-dot-orange {
            background-color: var(--brand-orange);
            box-shadow: 0 0 6px rgba(255,107,53,0.6);
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(0.8); }
        }

        /* Feature highlights */
        .feature-grid {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .feature-row {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.8fr;
            gap: 20px;
        }

        .feature-row-alt {
            display: grid;
            grid-template-columns: 0.8fr 1fr 1.2fr;
            gap: 20px;
        }

        .feature-item {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            position: relative;
        }

        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-medium);
            border-color: var(--brand-green-deep);
        }

        .feature-item.feature-large {
            padding: 32px;
        }

        .feature-item .feature-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }

        .feature-item .feature-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .feature-item .feature-index {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-green-deep);
            letter-spacing: 0.06em;
            margin-bottom: 12px;
            display: block;
        }

        /* Scene cards */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .scene-card {
            display: flex;
            gap: 20px;
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            align-items: flex-start;
        }

        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-medium);
            border-color: var(--brand-green-deep);
        }

        .scene-card .scene-image {
            width: 90px;
            height: 90px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            object-fit: cover;
        }

        .scene-card .scene-body {
            flex: 1;
        }

        .scene-card .scene-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .scene-card .scene-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* Brand intro */
        .brand-intro {
            background-color: var(--brand-dark);
            color: var(--text-on-dark);
            position: relative;
            overflow: hidden;
        }

        .brand-intro::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,255,61,0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .brand-intro .intro-title {
            color: #FFFFFF;
        }

        .brand-intro .intro-text {
            color: var(--text-on-dark-secondary);
            font-size: 16px;
            line-height: 1.9;
            max-width: 820px;
        }

        .brand-intro .intro-highlight {
            color: var(--brand-green);
            font-weight: 600;
        }

        /* Social proof */
        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .proof-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
        }

        .proof-card .proof-text {
            font-size: 15px;
            color: var(--text-primary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            padding-left: 18px;
            border-left: 3px solid var(--brand-green);
        }

        .proof-card .proof-author {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .proof-card .proof-avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
        }

        /* Compare table */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .compare-panel {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
        }

        .compare-panel.compare-highlight {
            border-color: var(--brand-green-deep);
            background-color: rgba(200,255,61,0.04);
        }

        .compare-panel .compare-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-panel .compare-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .compare-panel .compare-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .compare-panel .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-panel .compare-list li::before {
            content: '×';
            color: var(--brand-orange);
            font-weight: 700;
            flex-shrink: 0;
            font-size: 16px;
        }

        .compare-panel.compare-highlight .compare-list li::before {
            content: '✓';
            color: var(--brand-green-deep);
        }

        /* News / articles */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-medium);
            border-color: var(--brand-green-deep);
        }

        .news-card .news-image {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .news-card .news-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card .news-badge {
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .news-card .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            line-height: 1.4;
        }

        .news-card .news-summary {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            flex: 1;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--text-tertiary);
            flex-wrap: wrap;
        }

        /* FAQ */
        .faq-accordion {
            background-color: var(--bg-white) !important;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
        }

        .faq-accordion .accordion-item {
            border-bottom: 1px solid var(--border-color);
        }

        .faq-accordion .accordion-item:last-child {
            border-bottom: none;
        }

        .faq-accordion .accordion-title {
            background-color: #F8FAFC;
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            border: none;
            position: relative;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .faq-accordion .accordion-title:hover {
            background-color: #F0F3F6;
        }

        .faq-accordion .accordion-title::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--text-tertiary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(45deg);
            color: var(--brand-green-deep);
        }

        .faq-accordion .accordion-content {
            background-color: #F8FAFC;
            padding: 18px 22px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-secondary);
            border-top: 1px solid var(--border-color);
        }

        /* Guarantee bar */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 18px;
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .guarantee-item:hover {
            border-color: var(--brand-green-deep);
            box-shadow: var(--shadow-light);
        }

        .guarantee-item .guarantee-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(200,255,61,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green-deep);
            font-size: 16px;
            flex-shrink: 0;
        }

        /* Category matrix */
        .category-matrix {
            background-color: var(--brand-dark);
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .category-matrix .matrix-title {
            color: #FFFFFF;
        }

        .category-matrix .matrix-desc {
            color: var(--text-on-dark-secondary);
        }

        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .matrix-item {
            background-color: var(--brand-dark-2);
            border: 1px solid var(--border-color-dark);
            border-radius: var(--radius-card);
            padding: 24px 18px;
            text-align: center;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .matrix-item:hover {
            border-color: var(--brand-green);
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
            opacity: 1;
        }

        .matrix-item .matrix-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: rgba(200,255,61,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-green);
            font-size: 18px;
        }

        .matrix-item .matrix-name {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
        }

        .matrix-item .matrix-count {
            color: var(--text-on-dark-secondary);
            font-size: 12px;
        }

        /* Hot list */
        .hot-list {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-light);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }

        .hot-list-item:last-child {
            border-bottom: none;
        }

        .hot-list-item:hover {
            background-color: #F8FAFC;
        }

        .hot-list-item .hot-rank {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: var(--bg-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-secondary);
            flex-shrink: 0;
        }

        .hot-list-item .hot-rank.rank-1 {
            background-color: rgba(200,255,61,0.25);
            color: var(--brand-green-deep);
        }

        .hot-list-item .hot-rank.rank-2 {
            background-color: rgba(255,107,53,0.2);
            color: var(--brand-orange);
        }

        .hot-list-item .hot-rank.rank-3 {
            background-color: rgba(255,200,80,0.2);
            color: #C48700;
        }

        .hot-list-item .hot-info {
            flex: 1;
            min-width: 0;
        }

        .hot-list-item .hot-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 2px;
        }

        .hot-list-item .hot-meta {
            font-size: 12px;
            color: var(--text-tertiary);
            display: flex;
            gap: 10px;
        }

        .hot-list-item .hot-badge {
            flex-shrink: 0;
        }

        /* Schedule preview */
        .schedule-preview {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 14px 20px;
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: all var(--transition-fast);
        }

        .schedule-item:hover {
            border-color: var(--brand-green-deep);
            box-shadow: var(--shadow-light);
        }

        .schedule-item .schedule-date {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            background-color: rgba(200,255,61,0.12);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            flex-shrink: 0;
        }

        .schedule-item .schedule-date .day {
            font-size: 20px;
            font-weight: 700;
            color: var(--brand-green-deep);
            line-height: 1;
        }

        .schedule-item .schedule-date .month {
            font-size: 11px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .schedule-item .schedule-info {
            flex: 1;
            min-width: 0;
        }

        .schedule-item .schedule-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 2px;
        }

        .schedule-item .schedule-detail {
            font-size: 13px;
            color: var(--text-secondary);
        }

        .schedule-item .schedule-tag {
            flex-shrink: 0;
        }

        /* Subscribe form */
        .subscribe-section {
            background-color: var(--brand-dark);
            position: relative;
            overflow: hidden;
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .subscribe-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -5%;
            width: 450px;
            height: 450px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,255,61,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-card {
            background-color: var(--brand-dark-2);
            border-radius: var(--radius-card);
            padding: 40px;
            border: 1px solid var(--border-color-dark);
            box-shadow: var(--shadow-dark);
            position: relative;
            z-index: 2;
            max-width: 620px;
        }

        .subscribe-card .subscribe-title {
            color: #FFFFFF;
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .subscribe-card .subscribe-desc {
            color: var(--text-on-dark-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .subscribe-form input {
            background-color: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-pill);
            padding: 14px 20px;
            color: #FFFFFF;
            font-size: 14px;
            transition: all var(--transition-fast);
            width: 100%;
        }

        .subscribe-form input::placeholder {
            color: var(--text-on-dark-secondary);
            opacity: 0.6;
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(200,255,61,0.18);
            background-color: rgba(255,255,255,0.08);
        }

        .subscribe-form .btn-submit {
            background-color: var(--brand-green);
            color: var(--brand-dark);
            border: none;
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-base);
            margin-top: 4px;
        }

        .subscribe-form .btn-submit:hover {
            background-color: var(--brand-green-deep);
            box-shadow: var(--shadow-green-glow);
            transform: translateY(-2px);
        }

        .subscribe-form .form-success {
            display: none;
            color: var(--brand-green);
            font-size: 14px;
            font-weight: 600;
            padding: 10px 16px;
            background-color: rgba(200,255,61,0.1);
            border-radius: var(--radius-md);
            border: 1px solid rgba(200,255,61,0.3);
        }

        .subscribe-form .form-success.show {
            display: block;
        }

        /* Bottom fixed bar */
        .bottom-fixed-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(120px);
            z-index: 90;
            width: min(680px, calc(100% - 32px));
            background-color: var(--brand-dark);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-card);
            padding: 16px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            box-shadow: var(--shadow-dark);
            transition: all var(--transition-base);
            opacity: 0;
            pointer-events: none;
        }

        .bottom-fixed-bar.visible {
            transform: translateX(-50%) translateY(0);
            opacity: 1;
            pointer-events: auto;
        }

        .bottom-fixed-bar .fixed-bar-text {
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 500;
            flex: 1;
            min-width: 0;
        }

        .bottom-fixed-bar .fixed-bar-text strong {
            color: var(--brand-green);
        }

        .bottom-fixed-bar .fixed-bar-close {
            background: none;
            border: none;
            color: var(--text-on-dark-secondary);
            cursor: pointer;
            font-size: 18px;
            padding: 4px 8px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .bottom-fixed-bar .fixed-bar-close:hover {
            color: #FFFFFF;
        }

        /* Footer */
        .site-footer {
            background-color: var(--brand-dark);
            padding-top: 64px;
            padding-bottom: 24px;
            position: relative;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }

        .footer-brand .footer-logo {
            color: #FFFFFF;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }

        .footer-brand .footer-logo .logo-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--brand-green);
            display: inline-block;
            box-shadow: 0 0 8px rgba(200,255,61,0.6);
        }

        .footer-brand .footer-desc {
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            line-height: 1.7;
            max-width: 300px;
            margin-bottom: 16px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul a {
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .footer-col ul a:hover {
            color: var(--brand-green);
            opacity: 1;
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            font-size: 13px;
            color: var(--text-on-dark-secondary);
        }

        .footer-bottom a {
            color: var(--text-on-dark-secondary);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--brand-green);
            opacity: 1;
        }

        .footer-bottom .footer-legal {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-header {
                width: 88%;
            }

            .site-header .main-nav a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .hero-section {
                padding-top: 120px;
                min-height: 80vh;
            }

            .feature-row,
            .feature-row-alt {
                grid-template-columns: 1fr 1fr;
            }

            .feature-row .feature-item:last-child,
            .feature-row-alt .feature-item:last-child {
                grid-column: span 2;
            }

            .matrix-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .proof-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                width: auto;
                left: 12px;
                right: 12px;
                transform: none;
                border-radius: var(--radius-card);
                padding: 10px 14px;
            }

            .site-header .main-nav {
                display: none;
            }

            .site-header .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
            }

            .mobile-menu {
                display: block;
            }

            .mobile-menu.hidden-mobile {
                display: none;
            }

            .hero-section {
                padding-top: 100px;
                padding-bottom: 40px;
                min-height: auto;
            }

            .hero-right-panel {
                margin-top: 32px;
            }

            .hero-trust-bar {
                padding: 12px 14px;
                gap: 8px;
            }

            .hero-trust-divider {
                display: none;
            }

            .scene-grid {
                grid-template-columns: 1fr;
            }

            .compare-grid {
                grid-template-columns: 1fr;
            }

            .feature-row,
            .feature-row-alt {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .feature-row .feature-item:last-child,
            .feature-row-alt .feature-item:last-child {
                grid-column: auto;
            }

            .proof-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                text-align: left;
            }

            .section-padding {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .category-matrix {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .subscribe-section {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .subscribe-card {
                padding: 28px 20px;
            }

            .bottom-fixed-bar {
                bottom: 10px;
                width: calc(100% - 20px);
                padding: 12px 16px;
                border-radius: var(--radius-md);
                flex-wrap: wrap;
                gap: 8px;
            }

            .bottom-fixed-bar .fixed-bar-text {
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 28px;
            }

            h2 {
                font-size: 22px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                width: 100%;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-trust-bar {
                flex-wrap: wrap;
                justify-content: center;
            }

            .matrix-grid {
                grid-template-columns: 1fr;
            }

            .guarantee-grid {
                grid-template-columns: 1fr;
            }

            .schedule-item {
                flex-wrap: wrap;
                gap: 12px;
            }

            .schedule-item .schedule-date {
                width: 48px;
                height: 48px;
            }

            .bottom-fixed-bar {
                flex-direction: column;
                align-items: stretch;
            }

            .bottom-fixed-bar .fixed-bar-close {
                align-self: flex-end;
            }
        }

        @media (max-width: 360px) {
            .hero-section {
                padding-top: 90px;
            }

            .site-header {
                padding: 8px 10px;
            }

            .site-header .logo {
                font-size: 16px;
            }

            .section-padding {
                padding-top: 36px;
                padding-bottom: 36px;
            }

            .matrix-grid {
                gap: 8px;
            }

            .matrix-item {
                padding: 18px 12px;
            }

            .scene-card {
                padding: 18px;
                flex-direction: column;
            }

            .scene-card .scene-image {
                width: 100%;
                height: 140px;
            }
        }

/* roulang page: category2 */
:root {
            --brand-green: #C8FF3D;
            --brand-green-deep: #A8E623;
            --brand-green-bright: #D8FF66;
            --brand-dark: #171A21;
            --brand-dark-2: #1E222B;
            --brand-dark-3: #232833;
            --brand-orange: #FF6B35;
            --brand-orange-deep: #E5551F;
            --brand-orange-pale: #FF8C5F;
            --bg-light: #F4F6F8;
            --bg-white: #FFFFFF;
            --bg-soft: #EEF1F5;
            --text-primary: #1A1D24;
            --text-secondary: #5B6472;
            --text-tertiary: #8A93A3;
            --text-on-dark: #F2F5F8;
            --text-on-dark-secondary: #B8C0CB;
            --border-color: #E4E8EE;
            --border-color-dark: rgba(255,255,255,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 16px;
            --radius-pill: 999px;
            --shadow-light: 0 4px 16px rgba(18,24,35,0.06);
            --shadow-medium: 0 8px 24px rgba(18,24,35,0.1);
            --shadow-dark: 0 12px 32px rgba(0,0,0,0.28);
            --shadow-green-glow: 0 4px 24px rgba(200,255,61,0.28);
            --font-chinese: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --section-padding-desktop: 88px;
            --section-padding-mobile: 48px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-chinese);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            text-decoration: none;
            opacity: 0.82;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-orange);
            outline-offset: 2px;
            border-radius: var(--radius-pill);
        }

        .container-width {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-padding {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .section-padding-sm {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            background-color: var(--bg-soft);
            margin-bottom: 14px;
            border: 1px solid var(--border-color);
        }

        .section-tag-green {
            background-color: rgba(200,255,61,0.15);
            color: var(--brand-green-deep);
            border-color: rgba(200,255,61,0.4);
        }

        .section-tag-orange {
            background-color: rgba(255,107,53,0.1);
            color: var(--brand-orange);
            border-color: rgba(255,107,53,0.35);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-desc-light {
            color: var(--text-on-dark-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-medium);
            opacity: 1;
        }

        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary {
            background-color: var(--brand-green);
            color: var(--brand-dark);
            border-color: var(--brand-green);
        }

        .btn-primary:hover {
            background-color: var(--brand-green-deep);
            border-color: var(--brand-green-deep);
            box-shadow: var(--shadow-green-glow);
        }

        .btn-secondary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-secondary:hover {
            background-color: var(--brand-orange-deep);
            border-color: var(--brand-orange-deep);
            box-shadow: 0 4px 20px rgba(255,107,53,0.3);
        }

        .btn-dark-outline {
            background-color: transparent;
            color: var(--brand-dark);
            border-color: var(--brand-dark);
        }

        .btn-dark-outline:hover {
            background-color: var(--brand-dark);
            color: #FFFFFF;
            border-color: var(--brand-dark);
        }

        .btn-light-outline {
            background-color: transparent;
            color: var(--text-on-dark);
            border-color: var(--border-color-dark);
        }

        .btn-light-outline:hover {
            background-color: rgba(255,255,255,0.1);
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .btn-sm {
            padding: 10px 20px;
            font-size: 14px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .badge-green {
            background-color: rgba(200,255,61,0.18);
            color: var(--brand-green-deep);
        }

        .badge-orange {
            background-color: rgba(255,107,53,0.12);
            color: var(--brand-orange);
        }

        .badge-gray {
            background-color: var(--bg-soft);
            color: var(--text-secondary);
        }

        .badge-dark {
            background-color: var(--brand-dark);
            color: var(--text-on-dark);
        }

        .status-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--brand-orange);
            font-size: 13px;
            font-weight: 600;
        }

        .status-live::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--brand-orange);
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        /* 导航 */
        .site-header {
            position: fixed;
            top: 12px;
            left: 0;
            right: 0;
            z-index: 1000;
            pointer-events: none;
        }

        .nav-shell {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            pointer-events: auto;
        }

        .nav-capsule {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background-color: rgba(23,26,33,0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            border: 1px solid rgba(255,255,255,0.08);
            box-shadow: var(--shadow-dark);
            transition: all var(--transition-base);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .brand-logo .logo-dot {
            width: 12px;
            height: 12px;
            border-radius: 3px;
            background: var(--brand-green);
            box-shadow: 0 0 12px var(--brand-green);
            display: inline-block;
            flex-shrink: 0;
        }

        .main-nav {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .main-nav li {
            margin: 0;
            padding: 0;
        }

        .main-nav a {
            display: flex;
            align-items: center;
            gap: 7px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .main-nav a:hover {
            color: #FFFFFF;
            background-color: rgba(255,255,255,0.08);
            opacity: 1;
        }

        .main-nav a.active {
            color: var(--brand-green);
            background-color: rgba(200,255,61,0.1);
        }

        .main-nav a.active::after {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--brand-green);
            display: inline-block;
            margin-left: 2px;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-pill);
            background-color: var(--brand-orange);
            color: #FFFFFF;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }

        .nav-cta-btn:hover {
            background-color: var(--brand-orange-deep);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255,107,53,0.3);
            opacity: 1;
        }

        .hamburger-btn {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 22px;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background-color var(--transition-fast);
        }

        .hamburger-btn:hover {
            background-color: rgba(255,255,255,0.1);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 999;
            background-color: rgba(23,26,33,0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 80px 30px 30px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-menu-overlay a {
            color: var(--text-on-dark);
            font-size: 20px;
            padding: 14px 10px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
        }

        .mobile-menu-overlay a:hover {
            background-color: rgba(255,255,255,0.08);
            opacity: 1;
        }

        .mobile-menu-overlay a.active {
            color: var(--brand-green);
            background-color: rgba(200,255,61,0.1);
        }

        @media (max-width: 640px) {
            .main-nav {
                display: none;
            }

            .nav-cta-btn {
                display: none;
            }

            .hamburger-btn {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .mobile-menu-overlay.open {
                display: flex;
            }

            .nav-capsule {
                padding: 8px 16px;
            }

            .brand-logo {
                font-size: 16px;
            }
        }

        /* 面包屑与分类H1区 */
        .breadcrumb-area {
            padding-top: 110px;
            padding-bottom: 40px;
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        .breadcrumb-area::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-green) 0%, var(--brand-green-deep) 30%, transparent 30%);
            opacity: 0.4;
        }

        .breadcrumb {
            font-size: 14px;
            color: var(--text-tertiary);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--brand-orange);
            opacity: 1;
        }

        .breadcrumb .breadcrumb-sep {
            color: var(--text-tertiary);
            font-size: 11px;
        }

        .breadcrumb .breadcrumb-current {
            color: var(--text-primary);
            font-weight: 600;
        }

        .category-hero-content {
            display: flex;
            flex-wrap: wrap;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
        }

        .category-hero-content h1 {
            font-size: clamp(32px, 5vw, 48px);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin: 0 0 12px;
            color: var(--text-primary);
        }

        .category-hero-content .category-lead {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin: 0;
        }

        .category-hero-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        /* 列表卡片主体 */
        .list-section {
            background-color: var(--bg-light);
        }

        .list-grid-mixed {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
            margin-bottom: 36px;
        }

        .list-item-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            position: relative;
            box-shadow: var(--shadow-light);
        }

        .list-item-card:hover {
            transform: translateY(-4px);
            border-color: var(--brand-green);
            box-shadow: var(--shadow-medium);
        }

        .list-item-card.card-span-7 {
            grid-column: span 7;
            flex-direction: row;
        }

        .list-item-card.card-span-5 {
            grid-column: span 5;
            flex-direction: column;
        }

        .list-item-card .card-img-wrap {
            position: relative;
            flex-shrink: 0;
            overflow: hidden;
            border-radius: 0;
        }

        .card-span-7 .card-img-wrap {
            width: 45%;
            min-height: 200px;
        }

        .card-span-5 .card-img-wrap {
            width: 100%;
            height: 200px;
        }

        .list-item-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-base);
        }

        .list-item-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .card-img-wrap .badge-overlay {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
        }

        .list-item-card .card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .list-item-card .card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.45;
            margin: 0;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .list-item-card .card-title a {
            color: inherit;
            transition: color var(--transition-fast);
        }

        .list-item-card .card-title a:hover {
            color: var(--brand-orange);
            opacity: 1;
        }

        .list-item-card .card-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex: 1;
        }

        .list-item-card .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-tertiary);
            margin-top: 2px;
        }

        .list-item-card .card-meta .meta-heat {
            color: var(--brand-orange);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .list-item-card .card-meta .meta-time {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .list-load-more {
            text-align: center;
            margin-top: 12px;
        }

        @media (max-width: 1024px) {
            .list-item-card.card-span-7,
            .list-item-card.card-span-5 {
                grid-column: span 12;
                flex-direction: column;
            }

            .list-item-card.card-span-7 .card-img-wrap {
                width: 100%;
                min-height: 200px;
                height: 200px;
            }
        }

        /* 筛选标签 */
        .filter-section {
            background-color: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .filter-tags .tag-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
        }

        .filter-tag-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: var(--bg-soft);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-tag-btn:hover {
            border-color: var(--brand-green-deep);
            color: var(--text-primary);
            background-color: rgba(200,255,61,0.1);
            opacity: 1;
        }

        .filter-tag-btn.active-tag {
            background-color: var(--brand-green);
            border-color: var(--brand-green);
            color: var(--brand-dark);
            font-weight: 600;
        }

        /* 本周精选 */
        .featured-section {
            background-color: var(--bg-light);
        }

        .featured-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .featured-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-light);
        }

        .featured-item:hover {
            transform: translateY(-2px);
            border-color: var(--brand-green);
            box-shadow: var(--shadow-medium);
        }

        .featured-item .featured-rank {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-tertiary);
            min-width: 40px;
            text-align: center;
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .featured-item .featured-img {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .featured-item .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }

        .featured-item .featured-info {
            flex: 1;
            min-width: 0;
        }

        .featured-item .featured-info h3 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.45;
            color: var(--text-primary);
        }

        .featured-item .featured-info h3 a {
            color: inherit;
        }

        .featured-item .featured-info h3 a:hover {
            color: var(--brand-orange);
            opacity: 1;
        }

        .featured-item .featured-info p {
            font-size: 13px;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .featured-item .featured-heat {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-orange);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 640px) {
            .featured-item {
                flex-wrap: wrap;
                gap: 10px;
            }

            .featured-item .featured-img {
                width: 100%;
                height: 140px;
                order: -1;
            }

            .featured-item .featured-rank {
                font-size: 20px;
                min-width: 30px;
            }
        }

        /* 数据快照 */
        .data-snapshot-section {
            background-color: var(--brand-dark);
            position: relative;
            overflow: hidden;
        }

        .data-snapshot-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,255,61,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .snapshot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .snapshot-card {
            background-color: var(--brand-dark-2);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--border-color-dark);
            transition: all var(--transition-base);
            text-align: center;
        }

        .snapshot-card:hover {
            border-color: rgba(200,255,61,0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-dark);
        }

        .snapshot-card .snapshot-number {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 700;
            color: var(--brand-green);
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 8px;
        }

        .snapshot-card .snapshot-label {
            font-size: 14px;
            color: var(--text-on-dark-secondary);
            margin: 0 0 4px;
        }

        .snapshot-card .snapshot-trend {
            font-size: 13px;
            color: var(--brand-orange-pale);
            font-weight: 600;
        }

        @media (max-width: 640px) {
            .snapshot-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* FAQ */
        .faq-section {
            background-color: var(--bg-light);
        }

        .faq-list {
            max-width: 820px;
            margin: 0;
        }

        .faq-item {
            background-color: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(200,255,61,0.5);
            box-shadow: var(--shadow-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.5;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            background-color: #F8FAFC;
            opacity: 1;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--bg-soft);
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition-base);
            font-style: normal;
            line-height: 1;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background-color: var(--brand-green);
            color: var(--brand-dark);
        }

        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 700px;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open {
            border-color: var(--brand-green);
            box-shadow: var(--shadow-light);
        }

        /* 订阅表单 */
        .subscribe-section {
            background-color: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .subscribe-box {
            background-color: var(--brand-dark);
            border-radius: var(--radius-card);
            padding: 48px 40px;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-dark);
        }

        .subscribe-box::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,255,61,0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .subscribe-box h3 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            color: #FFFFFF;
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .subscribe-box p {
            font-size: 15px;
            color: var(--text-on-dark-secondary);
            margin: 0 0 24px;
            max-width: 500px;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .subscribe-form input[type="text"],
        .subscribe-form input[type="email"] {
            flex: 1;
            min-width: 200px;
            padding: 14px 22px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255,255,255,0.2);
            background-color: rgba(255,255,255,0.08);
            color: #FFFFFF;
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .subscribe-form input::placeholder {
            color: rgba(255,255,255,0.5);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-green);
            background-color: rgba(255,255,255,0.12);
            box-shadow: 0 0 0 3px rgba(200,255,61,0.18);
        }

        .subscribe-form .btn-primary {
            flex-shrink: 0;
        }

        .subscribe-success {
            display: none;
            color: var(--brand-green);
            font-size: 15px;
            font-weight: 600;
            margin-top: 12px;
            position: relative;
            z-index: 2;
        }

        @media (max-width: 640px) {
            .subscribe-box {
                padding: 32px 24px;
            }

            .subscribe-form {
                flex-direction: column;
            }

            .subscribe-form input[type="text"],
            .subscribe-form input[type="email"] {
                min-width: 100%;
            }
        }

        /* 相关专题 */
        .related-topics-section {
            background-color: var(--bg-light);
        }

        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .topic-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-light);
            position: relative;
            overflow: hidden;
        }

        .topic-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200,255,61,0.1) 0%, transparent 70%);
            pointer-events: none;
        }

        .topic-card:hover {
            transform: translateY(-4px);
            border-color: var(--brand-green);
            box-shadow: var(--shadow-medium);
        }

        .topic-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0 0 10px;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .topic-card h3 a {
            color: inherit;
        }

        .topic-card h3 a:hover {
            color: var(--brand-orange);
            opacity: 1;
        }

        .topic-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        .topic-card .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand-orange);
            transition: all var(--transition-fast);
        }

        .topic-card .topic-link:hover {
            gap: 10px;
            opacity: 1;
        }

        @media (max-width: 768px) {
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--brand-dark);
            padding: 60px 0 30px;
            color: var(--text-on-dark);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--brand-green) 0%, var(--brand-green-deep) 30%, transparent 30%);
            opacity: 0.6;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .logo-dot {
            width: 12px;
            height: 12px;
            border-radius: 3px;
            background: var(--brand-green);
            box-shadow: 0 0 12px var(--brand-green);
            display: inline-block;
            flex-shrink: 0;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-on-dark-secondary);
            line-height: 1.8;
            margin: 0 0 16px;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            transition: all var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--brand-green);
            opacity: 1;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid var(--border-color-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-on-dark-secondary);
        }

        .footer-legal {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-legal a {
            color: var(--text-on-dark-secondary);
            transition: color var(--transition-fast);
        }

        .footer-legal a:hover {
            color: var(--brand-green);
            opacity: 1;
        }

        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: span 1;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .footer-legal {
                gap: 10px;
                flex-wrap: wrap;
            }
        }

        /* 响应式通用 */
        @media (max-width: 1024px) {
            :root {
                --section-padding-desktop: 64px;
            }
        }

        @media (max-width: 640px) {
            :root {
                --section-padding-desktop: 40px;
                --section-padding-mobile: 36px;
            }

            .section-padding {
                padding-top: var(--section-padding-mobile);
                padding-bottom: var(--section-padding-mobile);
            }

            .section-padding-sm {
                padding-top: 36px;
                padding-bottom: 36px;
            }

            .breadcrumb-area {
                padding-top: 90px;
                padding-bottom: 28px;
            }
        }

/* roulang page: category1 */
:root {
  --brand-green: #C8FF3D;
  --brand-green-deep: #A8E623;
  --brand-green-bright: #D8FF66;
  --brand-dark: #171A21;
  --brand-dark-2: #1E222B;
  --brand-dark-3: #232833;
  --brand-orange: #FF6B35;
  --brand-orange-deep: #E5551F;
  --brand-orange-pale: #FF8C5F;
  --bg-light: #F4F6F8;
  --bg-white: #FFFFFF;
  --bg-soft: #EEF1F5;
  --text-primary: #1A1D24;
  --text-secondary: #5B6472;
  --text-tertiary: #8A93A3;
  --text-on-dark: #F2F5F8;
  --text-on-dark-secondary: #B8C0CB;
  --border-color: #E4E8EE;
  --border-color-dark: rgba(255,255,255,0.12);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-card: 16px;
  --radius-pill: 999px;
  --shadow-light: 0 4px 16px rgba(18,24,35,0.06);
  --shadow-medium: 0 8px 24px rgba(18,24,35,0.1);
  --shadow-dark: 0 12px 32px rgba(0,0,0,0.28);
  --shadow-green-glow: 0 4px 24px rgba(200,255,61,0.28);
  --font-chinese: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --section-padding-desktop: 88px;
  --section-padding-mobile: 48px;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-chinese);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--text-primary);
  background-color: var(--bg-light);
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast), opacity var(--transition-fast);
}
a:hover {
  text-decoration: none;
  opacity: 0.82;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--brand-orange);
  outline-offset: 2px;
  border-radius: var(--radius-pill);
}
.container-width {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}
.section-padding {
  padding-top: var(--section-padding-desktop);
  padding-bottom: var(--section-padding-desktop);
}
.section-padding-sm {
  padding-top: 56px;
  padding-bottom: 56px;
}
.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background-color: var(--bg-soft);
  margin-bottom: 14px;
  border: 1px solid var(--border-color);
}
.section-tag-green {
  background-color: rgba(200,255,61,0.15);
  color: var(--brand-green-deep);
  border-color: rgba(200,255,61,0.4);
}
.section-tag-orange {
  background-color: rgba(255,107,53,0.1);
  color: var(--brand-orange);
  border-color: rgba(255,107,53,0.35);
}
.section-desc {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 720px;
  margin-bottom: 32px;
}
.section-desc-light {
  color: var(--text-on-dark-secondary);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: all var(--transition-base);
  border: 2px solid transparent;
  text-align: center;
  white-space: nowrap;
  user-select: none;
  letter-spacing: 0.01em;
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-medium);
  opacity: 1;
}
.btn:active {
  transform: translateY(0);
  box-shadow: none;
}
.btn-primary {
  background-color: var(--brand-green);
  color: var(--brand-dark);
  border-color: var(--brand-green);
}
.btn-primary:hover {
  background-color: var(--brand-green-deep);
  border-color: var(--brand-green-deep);
  box-shadow: var(--shadow-green-glow);
}
.btn-secondary {
  background-color: var(--brand-orange);
  color: #FFFFFF;
  border-color: var(--brand-orange);
}
.btn-secondary:hover {
  background-color: var(--brand-orange-deep);
  border-color: var(--brand-orange-deep);
}
.btn-ghost {
  background-color: transparent;
  color: var(--text-primary);
  border-color: var(--border-color);
}
.btn-ghost:hover {
  border-color: var(--brand-green);
  color: var(--brand-dark);
  background-color: rgba(200,255,61,0.08);
}
/* Header / Nav */
.site-header {
  position: fixed;
  top: 12px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 20px;
}
.nav-shell {
  max-width: 1200px;
  margin: 0 auto;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(23,26,33,0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
  border: 1px solid rgba(255,255,255,0.1);
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  transition: opacity var(--transition-fast);
}
.brand-logo:hover { opacity: 0.85; }
.logo-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--brand-green);
  box-shadow: 0 0 12px rgba(200,255,61,0.8);
}
.main-nav-wrap {
  display: flex;
  align-items: center;
}
.main-nav {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 6px;
}
.main-nav li a {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  color: var(--text-on-dark-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition-fast);
  position: relative;
}
.main-nav li a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}
.main-nav li a.active {
  color: #fff;
  background: rgba(200,255,61,0.12);
}
.main-nav li a.active::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-green);
  box-shadow: 0 0 8px var(--brand-green);
}
.nav-cta {
  padding: 10px 20px;
  font-size: 14px;
}
.hamburger {
  display: none;
  background: transparent;
  border: none;
  color: #fff;
  font-size: 22px;
  cursor: pointer;
  padding: 8px 10px;
  border-radius: var(--radius-pill);
  transition: background var(--transition-fast);
}
.hamburger:hover {
  background: rgba(255,255,255,0.1);
}
/* Category hero */
.category-hero {
  background-color: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-tertiary);
  margin-bottom: 12px;
}
.breadcrumb a {
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}
.breadcrumb a:hover { color: var(--brand-orange); }
.breadcrumb-sep { color: var(--text-tertiary); }
.category-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--text-primary);
  margin: 0 0 10px;
}
.category-hero-desc {
  font-size: 17px;
  color: var(--text-secondary);
  max-width: 720px;
  margin: 0;
}
/* Filter section */
.filter-section {
  background: var(--bg-white);
}
.filter-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.filter-tag {
  background: var(--bg-light);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  padding: 9px 20px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-tag:hover {
  border-color: var(--brand-green);
  color: var(--brand-dark);
  background: rgba(200,255,61,0.08);
}
.filter-tag.active {
  background: var(--brand-green);
  border-color: var(--brand-green);
  color: var(--brand-dark);
  font-weight: 600;
}
/* Schedule list */
.list-section {
  background: var(--bg-light);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.section-title {
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 0 0 6px;
}
.schedule-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.schedule-item {
  display: flex;
  align-items: stretch;
  background: var(--bg-white);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-light);
  overflow: hidden;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}
.schedule-item:hover {
  transform: translateY(-4px);
  border-color: var(--brand-green);
  box-shadow: var(--shadow-medium);
}
.schedule-item-img {
  flex: 0 0 220px;
  max-width: 220px;
  min-height: 160px;
  overflow: hidden;
  border-radius: 0;
}
.schedule-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
}
.schedule-item-body {
  flex: 1;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
}
.item-badges {
  display: flex;
  gap: 8px;
}
.badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-orange {
  background: rgba(255,107,53,0.1);
  color: var(--brand-orange);
  border: 1px solid rgba(255,107,53,0.3);
}
.badge-green {
  background: rgba(200,255,61,0.18);
  color: var(--brand-green-deep);
  border: 1px solid rgba(200,255,61,0.4);
}
.badge-neutral {
  background: var(--bg-soft);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}
.schedule-item-body h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0;
  color: var(--text-primary);
}
.schedule-item-body h3 a:hover {
  color: var(--brand-orange);
}
.item-summary {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.item-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: 4px;
}
.item-meta i {
  margin-right: 4px;
  color: var(--text-tertiary);
}
/* Featured section */
.featured-section {
  background: var(--bg-white);
}
.featured-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.featured-card {
  background: var(--bg-light);
  border-radius: var(--radius-card);
  padding: 20px;
  transition: all var(--transition-base);
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.featured-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-green);
  box-shadow: var(--shadow-light);
}
.featured-card .badge {
  align-self: flex-start;
}
.featured-card h3 {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.5;
  margin: 0;
}
.featured-card h3 a { color: var(--text-primary); }
.featured-card h3 a:hover { color: var(--brand-orange); }
.featured-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0;
}
.featured-meta {
  display: flex;
  gap: 12px;
  font-size: 13px;
  color: var(--text-tertiary);
  margin-top: auto;
}
/* Data snapshot */
.data-snapshot-section {
  background: var(--brand-dark);
  color: var(--text-on-dark);
}
.data-snapshot-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.data-snapshot-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-card);
  padding: 20px 18px;
  text-align: center;
  transition: background var(--transition-fast);
}
.data-snapshot-item:hover {
  background: rgba(255,255,255,0.1);
}
.data-num {
  font-size: 32px;
  font-weight: 700;
  color: var(--brand-green);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
.data-label {
  font-size: 14px;
  color: var(--text-on-dark-secondary);
  margin-top: 4px;
}
/* FAQ */
.faq-section {
  background: var(--bg-light);
}
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 800px;
}
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.faq-item.active {
  border-color: var(--brand-green);
}
.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: color var(--transition-fast);
}
.faq-question:hover {
  color: var(--brand-orange);
}
.faq-question .faq-icon {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  transition: transform var(--transition-base);
  font-size: 16px;
}
.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--brand-green-deep);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}
.faq-item.active .faq-answer {
  max-height: 200px;
}
.faq-answer p {
  padding: 0 20px 18px;
  margin: 0;
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
}
/* Subscribe */
.subscribe-section {
  background: var(--bg-white);
}
.subscribe-box {
  background: var(--brand-dark);
  border-radius: var(--radius-card);
  padding: 40px 36px;
  color: var(--text-on-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-dark);
}
.subscribe-info h2 {
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 8px;
  color: #fff;
}
.subscribe-info p {
  color: var(--text-on-dark-secondary);
  margin: 0;
}
.subscribe-form {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.subscribe-form input {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  color: #fff;
  border-radius: var(--radius-pill);
  padding: 12px 18px;
  font-size: 14px;
  min-width: 220px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.subscribe-form input::placeholder {
  color: var(--text-on-dark-secondary);
}
.subscribe-form input:focus {
  outline: none;
  border-color: var(--brand-green);
  box-shadow: 0 0 0 3px rgba(200,255,61,0.2);
}
.subscribe-form .btn-primary {
  background-color: var(--brand-green);
  color: var(--brand-dark);
  border-color: var(--brand-green);
}
/* Related categories */
.related-categories {
  background: var(--bg-light);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.related-cat-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  padding: 24px 20px;
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-light);
}
.related-cat-card:hover {
  transform: translateY(-4px);
  border-color: var(--brand-green);
  box-shadow: var(--shadow-medium);
}
.related-cat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: rgba(200,255,61,0.15);
  color: var(--brand-green-deep);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.related-cat-info h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 4px;
  color: var(--text-primary);
}
.related-cat-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}
/* Footer */
.site-footer {
  background: var(--brand-dark);
  color: var(--text-on-dark);
  padding-top: 48px;
  padding-bottom: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 30px;
  margin-bottom: 32px;
}
.footer-brand {
  max-width: 340px;
}
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-logo .logo-dot {
  width: 14px;
  height: 14px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-on-dark-secondary);
  line-height: 1.7;
  margin: 0;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin: 0 0 16px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-on-dark-secondary);
}
.footer-col ul a:hover {
  color: var(--brand-green);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-on-dark-secondary);
}
.footer-legal {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
}
.footer-legal a {
  color: var(--text-on-dark-secondary);
}
.footer-legal a:hover {
  color: var(--brand-green);
}
/* Mobile responsive */
@media (max-width: 1024px) {
  .featured-list, .related-grid, .data-snapshot-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .hamburger { display: inline-flex; }
  .main-nav-wrap {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: rgba(23,26,33,0.96);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-card);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    display: none;
    box-shadow: var(--shadow-dark);
  }
  .main-nav-wrap.open { display: block; }
  .main-nav {
    flex-direction: column;
    gap: 6px;
  }
  .main-nav li a {
    display: flex;
    width: 100%;
  }
  .nav-cta { display: none; }
  .schedule-item {
    flex-direction: column;
  }
  .schedule-item-img {
    flex: 0 0 auto;
    max-width: none;
    min-height: 180px;
    width: 100%;
  }
  .featured-list, .related-grid, .data-snapshot-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .subscribe-box {
    flex-direction: column;
    align-items: flex-start;
    padding: 28px 20px;
  }
  .subscribe-form input {
    min-width: 100%;
  }
}
@media (max-width: 520px) {
  .section-padding { padding-top: var(--section-padding-mobile); padding-bottom: var(--section-padding-mobile); }
  .section-padding-sm { padding-top: 40px; padding-bottom: 40px; }
  .schedule-item-body { padding: 14px 16px; }
}

/* roulang page: category3 */
:root {
        --brand-green: #C8FF3D;
        --brand-green-deep: #A8E623;
        --brand-green-bright: #D8FF66;
        --brand-dark: #171A21;
        --brand-dark-2: #1E222B;
        --brand-dark-3: #232833;
        --brand-orange: #FF6B35;
        --brand-orange-deep: #E5551F;
        --brand-orange-pale: #FF8C5F;
        --bg-light: #F4F6F8;
        --bg-white: #FFFFFF;
        --bg-soft: #EEF1F5;
        --text-primary: #1A1D24;
        --text-secondary: #5B6472;
        --text-tertiary: #8A93A3;
        --text-on-dark: #F2F5F8;
        --text-on-dark-secondary: #B8C0CB;
        --border-color: #E4E8EE;
        --border-color-dark: rgba(255,255,255,0.12);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-card: 16px;
        --radius-pill: 999px;
        --shadow-light: 0 4px 16px rgba(18,24,35,0.06);
        --shadow-medium: 0 8px 24px rgba(18,24,35,0.1);
        --shadow-dark: 0 12px 32px rgba(0,0,0,0.28);
        --shadow-green-glow: 0 4px 24px rgba(200,255,61,0.28);
        --font-chinese: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --section-padding-desktop: 88px;
        --section-padding-mobile: 48px;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-chinese);
        font-size: 16px;
        font-weight: 400;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: var(--bg-light);
        margin: 0;
        padding: 0;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast);
    }
    a:hover {
        text-decoration: none;
        opacity: 0.82;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-md);
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }
    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--brand-orange);
        outline-offset: 2px;
        border-radius: var(--radius-pill);
    }
    .container-width {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }
    .section-padding {
        padding-top: var(--section-padding-desktop);
        padding-bottom: var(--section-padding-desktop);
    }
    .section-padding-sm {
        padding-top: 56px;
        padding-bottom: 56px;
    }
    .section-tag {
        display: inline-block;
        padding: 6px 16px;
        border-radius: var(--radius-pill);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.04em;
        color: var(--text-secondary);
        background-color: var(--bg-soft);
        margin-bottom: 14px;
        border: 1px solid var(--border-color);
    }
    .section-tag-green {
        background-color: rgba(200,255,61,0.15);
        color: var(--brand-green-deep);
        border-color: rgba(200,255,61,0.4);
    }
    .section-tag-orange {
        background-color: rgba(255,107,53,0.1);
        color: var(--brand-orange);
        border-color: rgba(255,107,53,0.35);
    }
    .section-desc {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 720px;
        margin-bottom: 32px;
    }
    .section-desc-light {
        color: var(--text-on-dark-secondary);
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 28px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        line-height: 1.2;
        cursor: pointer;
        transition: all var(--transition-base);
        border: 2px solid transparent;
        text-align: center;
        white-space: nowrap;
        user-select: none;
        letter-spacing: 0.01em;
    }
    .btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
        opacity: 1;
    }
    .btn:active {
        transform: translateY(0);
        box-shadow: none;
    }
    .btn-primary {
        background-color: var(--brand-green);
        color: var(--brand-dark);
        border-color: var(--brand-green);
    }
    .btn-primary:hover {
        background-color: var(--brand-green-deep);
        border-color: var(--brand-green-deep);
        box-shadow: var(--shadow-green-glow);
    }
    .btn-secondary {
        background-color: var(--brand-orange);
        color: #FFFFFF;
        border-color: var(--brand-orange);
    }
    .btn-secondary:hover {
        background-color: var(--brand-orange-deep);
        border-color: var(--brand-orange-deep);
    }
    .btn-outline-dark {
        background-color: transparent;
        color: var(--brand-dark);
        border-color: var(--border-color);
    }
    .btn-outline-dark:hover {
        border-color: var(--brand-green);
        background-color: rgba(200,255,61,0.08);
    }
    .btn-outline-light {
        background-color: transparent;
        color: #FFFFFF;
        border-color: rgba(255,255,255,0.3);
    }
    .btn-outline-light:hover {
        border-color: var(--brand-green);
        background-color: rgba(200,255,61,0.1);
        color: var(--brand-green);
    }
    .btn-sm {
        padding: 10px 20px;
        font-size: 13px;
    }
    .btn-lg {
        padding: 16px 34px;
        font-size: 16px;
    }
    /* Header / Nav */
    .site-header {
        position: fixed;
        top: 12px;
        left: 0;
        right: 0;
        z-index: 1000;
        display: flex;
        justify-content: center;
        padding: 0 16px;
        pointer-events: none;
    }
    .nav-capsule {
        pointer-events: auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 72%;
        max-width: 1200px;
        background-color: rgba(23,26,33,0.82);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-radius: var(--radius-pill);
        padding: 8px 18px 8px 24px;
        border: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 8px 32px rgba(0,0,0,0.28);
        transition: all var(--transition-base);
    }
    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #FFFFFF;
        font-weight: 700;
        font-size: 18px;
        letter-spacing: -0.01em;
        white-space: nowrap;
    }
    .logo-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background-color: var(--brand-green);
        box-shadow: 0 0 12px rgba(200,255,61,0.7);
        flex-shrink: 0;
    }
    .main-nav {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }
    .main-nav li {
        margin: 0;
    }
    .main-nav a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 16px;
        border-radius: var(--radius-pill);
        color: var(--text-on-dark-secondary);
        font-size: 14px;
        font-weight: 500;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .main-nav a:hover {
        color: #FFFFFF;
        background-color: rgba(255,255,255,0.08);
        opacity: 1;
    }
    .main-nav a.active {
        color: var(--brand-green);
        background-color: rgba(200,255,61,0.12);
    }
    .main-nav a.active::before {
        content: '';
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background-color: var(--brand-green);
        box-shadow: 0 0 8px rgba(200,255,61,0.8);
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 9px 20px;
        border-radius: var(--radius-pill);
        background-color: var(--brand-orange);
        color: #FFFFFF;
        font-size: 13px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: all var(--transition-base);
        white-space: nowrap;
    }
    .nav-cta:hover {
        background-color: var(--brand-orange-deep);
        transform: translateY(-1px);
        box-shadow: 0 4px 16px rgba(255,107,53,0.3);
        opacity: 1;
    }
    .nav-toggle {
        display: none;
        background: transparent;
        border: none;
        color: #FFFFFF;
        font-size: 24px;
        cursor: pointer;
        padding: 4px 8px;
        border-radius: var(--radius-sm);
        transition: background-color var(--transition-fast);
    }
    .nav-toggle:hover {
        background-color: rgba(255,255,255,0.1);
    }
    /* Breadcrumb */
    .breadcrumb-section {
        padding-top: 120px;
        padding-bottom: 24px;
        background-color: var(--bg-light);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-tertiary);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: var(--brand-green-deep);
        opacity: 1;
    }
    .breadcrumb .separator {
        color: var(--text-tertiary);
    }
    .breadcrumb .current {
        color: var(--text-primary);
        font-weight: 600;
    }
    /* Category Hero */
    .category-hero {
        background-color: var(--bg-light);
        padding-bottom: 40px;
    }
    .category-hero h1 {
        font-size: clamp(32px, 5vw, 52px);
        font-weight: 700;
        letter-spacing: -0.02em;
        line-height: 1.15;
        margin: 0 0 16px 0;
        color: var(--text-primary);
    }
    .category-hero .hero-desc {
        font-size: 18px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 680px;
        margin-bottom: 0;
    }
    /* Filter Tags */
    .filter-section {
        padding: 24px 0 16px;
        background-color: var(--bg-light);
    }
    .filter-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    .filter-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: var(--radius-pill);
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background-color: var(--bg-white);
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: all var(--transition-fast);
        user-select: none;
    }
    .filter-tag:hover {
        border-color: var(--brand-green-deep);
        color: var(--brand-green-deep);
        background-color: rgba(200,255,61,0.08);
    }
    .filter-tag.active {
        background-color: var(--brand-green);
        color: var(--brand-dark);
        border-color: var(--brand-green);
    }
    /* Article List */
    .article-list-section {
        padding: 32px 0 64px;
        background-color: var(--bg-light);
    }
    .article-list-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 24px;
    }
    .article-card {
        display: flex;
        gap: 20px;
        background-color: var(--bg-white);
        border-radius: var(--radius-card);
        overflow: hidden;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-light);
        transition: all var(--transition-base);
        padding: 16px;
        align-items: flex-start;
    }
    .article-card:hover {
        transform: translateY(-4px);
        border-color: var(--brand-green);
        box-shadow: var(--shadow-medium);
    }
    .article-card .article-thumb {
        width: 180px;
        height: 120px;
        flex-shrink: 0;
        overflow: hidden;
        border-radius: var(--radius-md);
        background-color: var(--bg-soft);
    }
    .article-card .article-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: var(--radius-md);
        transition: transform var(--transition-base);
    }
    .article-card:hover .article-thumb img {
        transform: scale(1.05);
    }
    .article-card .article-body {
        flex: 1;
        min-width: 0;
    }
    .article-card .article-badge {
        display: inline-block;
        padding: 4px 12px;
        border-radius: var(--radius-pill);
        font-size: 12px;
        font-weight: 600;
        background-color: rgba(200,255,61,0.15);
        color: var(--brand-green-deep);
        margin-bottom: 8px;
        border: 1px solid rgba(200,255,61,0.3);
    }
    .article-card .article-badge.orange {
        background-color: rgba(255,107,53,0.1);
        color: var(--brand-orange);
        border-color: rgba(255,107,53,0.3);
    }
    .article-card .article-title {
        font-size: 16px;
        font-weight: 600;
        line-height: 1.4;
        margin: 0 0 8px 0;
        color: var(--text-primary);
    }
    .article-card .article-title a:hover {
        color: var(--brand-green-deep);
        opacity: 1;
    }
    .article-card .article-excerpt {
        font-size: 13px;
        line-height: 1.6;
        color: var(--text-secondary);
        margin: 0 0 12px 0;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .article-card .article-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 12px;
        color: var(--text-tertiary);
        flex-wrap: wrap;
    }
    .article-card .article-meta .heat {
        display: inline-flex;
        align-items: center;
        gap: 4px;
        color: var(--brand-orange);
        font-weight: 500;
    }
    .article-card .article-meta .date {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .load-more-wrap {
        text-align: center;
        margin-top: 40px;
    }
    /* Featured Section */
    .featured-section {
        padding: 64px 0;
        background-color: var(--bg-white);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .featured-list {
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .featured-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 16px 20px;
        background-color: var(--bg-light);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition-base);
    }
    .featured-item:hover {
        transform: translateX(4px);
        border-color: var(--brand-green);
        box-shadow: var(--shadow-light);
    }
    .featured-item .featured-rank {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: var(--brand-dark);
        color: var(--brand-green);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 18px;
        flex-shrink: 0;
    }
    .featured-item .featured-info {
        flex: 1;
        min-width: 0;
    }
    .featured-item .featured-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 4px 0;
    }
    .featured-item .featured-meta {
        font-size: 12px;
        color: var(--text-tertiary);
    }
    .featured-item .featured-link {
        color: var(--brand-green-deep);
        font-size: 14px;
        font-weight: 600;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .featured-item .featured-link:hover {
        color: var(--brand-orange);
        opacity: 1;
    }
    /* Data Snapshot */
    .data-snapshot-section {
        padding: 64px 0;
        background-color: var(--bg-light);
    }
    .snapshot-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 20px;
    }
    .snapshot-card {
        background-color: var(--bg-white);
        border-radius: var(--radius-card);
        padding: 28px 24px;
        text-align: center;
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-light);
        transition: all var(--transition-base);
    }
    .snapshot-card:hover {
        transform: translateY(-4px);
        border-color: var(--brand-green);
        box-shadow: var(--shadow-medium);
    }
    .snapshot-card .snapshot-icon {
        font-size: 32px;
        color: var(--brand-green-deep);
        margin-bottom: 12px;
    }
    .snapshot-card .snapshot-value {
        font-size: 32px;
        font-weight: 700;
        color: var(--text-primary);
        letter-spacing: -0.02em;
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .snapshot-card .snapshot-label {
        font-size: 14px;
        color: var(--text-secondary);
    }
    /* FAQ */
    .faq-section {
        padding: 64px 0;
        background-color: var(--bg-white);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background-color: #F8FAFC;
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--transition-fast);
    }
    .faq-item:hover {
        border-color: var(--brand-green-deep);
    }
    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 24px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        list-style: none;
        transition: all var(--transition-fast);
    }
    .faq-item summary::-webkit-details-marker {
        display: none;
    }
    .faq-item summary .faq-icon {
        font-size: 20px;
        color: var(--brand-green-deep);
        transition: transform var(--transition-fast);
        flex-shrink: 0;
    }
    .faq-item[open] summary .faq-icon {
        transform: rotate(45deg);
        color: var(--brand-orange);
    }
    .faq-item .faq-answer {
        padding: 0 24px 20px 24px;
        font-size: 15px;
        line-height: 1.8;
        color: var(--text-secondary);
    }
    /* Subscribe */
    .subscribe-section {
        padding: 64px 0;
        background-color: var(--bg-light);
    }
    .subscribe-box {
        background-color: var(--brand-dark);
        border-radius: var(--radius-card);
        padding: 48px 40px;
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 32px;
        align-items: center;
        position: relative;
        overflow: hidden;
        box-shadow: var(--shadow-dark);
    }
    .subscribe-box::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        border: 2px solid rgba(200,255,61,0.15);
        pointer-events: none;
    }
    .subscribe-box::after {
        content: '';
        position: absolute;
        bottom: -40px;
        left: -40px;
        width: 150px;
        height: 150px;
        border-radius: 50%;
        border: 2px solid rgba(255,107,53,0.1);
        pointer-events: none;
    }
    .subscribe-info h3 {
        font-size: 22px;
        font-weight: 700;
        color: #FFFFFF;
        margin: 0 0 8px 0;
    }
    .subscribe-info p {
        font-size: 14px;
        color: var(--text-on-dark-secondary);
        margin: 0;
        line-height: 1.6;
    }
    .subscribe-form {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        position: relative;
        z-index: 1;
    }
    .subscribe-form input {
        flex: 1;
        min-width: 200px;
        padding: 14px 24px;
        border-radius: var(--radius-pill);
        border: 1px solid rgba(255,255,255,0.2);
        background-color: rgba(255,255,255,0.08);
        color: #FFFFFF;
        font-size: 14px;
        transition: all var(--transition-fast);
        outline: none;
    }
    .subscribe-form input::placeholder {
        color: var(--text-on-dark-secondary);
    }
    .subscribe-form input:focus {
        border-color: var(--brand-green);
        box-shadow: 0 0 0 3px rgba(200,255,61,0.18);
        background-color: rgba(255,255,255,0.12);
    }
    .subscribe-form .btn {
        flex-shrink: 0;
    }
    /* Related Sections */
    .related-section {
        padding: 64px 0;
        background-color: var(--bg-white);
        border-top: 1px solid var(--border-color);
    }
    .related-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 20px;
    }
    .related-card {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 20px 24px;
        background-color: var(--bg-light);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition-base);
    }
    .related-card:hover {
        transform: translateY(-3px);
        border-color: var(--brand-green);
        box-shadow: var(--shadow-light);
    }
    .related-card .related-icon {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background-color: var(--brand-dark);
        color: var(--brand-green);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        flex-shrink: 0;
    }
    .related-card .related-info h4 {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 4px 0;
    }
    .related-card .related-info p {
        font-size: 13px;
        color: var(--text-secondary);
        margin: 0;
        line-height: 1.5;
    }
    /* Footer */
    .site-footer {
        background-color: var(--brand-dark);
        color: var(--text-on-dark);
        padding-top: 64px;
        padding-bottom: 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #FFFFFF;
        font-weight: 700;
        font-size: 20px;
        margin-bottom: 16px;
        letter-spacing: -0.01em;
    }
    .footer-brand .footer-desc {
        font-size: 13px;
        line-height: 1.7;
        color: var(--text-on-dark-secondary);
        margin-bottom: 16px;
        max-width: 320px;
    }
    .footer-col h4 {
        font-size: 14px;
        font-weight: 600;
        color: #FFFFFF;
        margin: 0 0 16px 0;
        letter-spacing: 0.02em;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        color: var(--text-on-dark-secondary);
        font-size: 13px;
        transition: color var(--transition-fast);
        display: inline-block;
    }
    .footer-col ul li a:hover {
        color: var(--brand-green);
        opacity: 1;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
        padding-top: 24px;
        border-top: 1px solid var(--border-color-dark);
        font-size: 12px;
        color: var(--text-on-dark-secondary);
    }
    .footer-bottom .footer-legal {
        display: flex;
        align-items: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .footer-bottom .footer-legal a {
        color: var(--text-on-dark-secondary);
        transition: color var(--transition-fast);
    }
    .footer-bottom .footer-legal a:hover {
        color: var(--brand-green);
        opacity: 1;
    }
    /* Responsive */
    @media (max-width: 1024px) {
        .nav-capsule {
            width: 88%;
        }
        .article-list-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .article-card {
            flex-direction: column;
            padding: 12px;
        }
        .article-card .article-thumb {
            width: 100%;
            height: 180px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 768px) {
        .nav-capsule {
            width: 94%;
            padding: 8px 14px 8px 18px;
        }
        .main-nav {
            display: none;
            flex-direction: column;
            align-items: stretch;
            width: 100%;
            gap: 4px;
            padding-top: 12px;
        }
        .main-nav.open {
            display: flex;
        }
        .nav-toggle {
            display: block;
        }
        .main-nav a {
            justify-content: center;
            padding: 10px 16px;
            font-size: 15px;
        }
        .nav-capsule {
            flex-wrap: wrap;
        }
        .nav-cta {
            display: none;
        }
        .article-list-grid {
            grid-template-columns: 1fr;
        }
        .article-card {
            flex-direction: row;
        }
        .article-card .article-thumb {
            width: 140px;
            height: 100px;
        }
        .snapshot-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .subscribe-box {
            grid-template-columns: 1fr;
            padding: 36px 24px;
        }
        .related-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .footer-bottom .footer-legal {
            justify-content: center;
        }
        .section-padding {
            padding-top: var(--section-padding-mobile);
            padding-bottom: var(--section-padding-mobile);
        }
    }
    @media (max-width: 520px) {
        .nav-capsule {
            width: 100%;
            border-radius: 24px;
        }
        .article-card {
            flex-direction: column;
            padding: 12px;
        }
        .article-card .article-thumb {
            width: 100%;
            height: 160px;
        }
        .snapshot-grid {
            grid-template-columns: 1fr;
        }
        .related-grid {
            grid-template-columns: 1fr;
        }
        .subscribe-form {
            flex-direction: column;
        }
        .subscribe-form input {
            min-width: auto;
            width: 100%;
        }
        .breadcrumb-section {
            padding-top: 100px;
        }
        .category-hero h1 {
            font-size: 28px;
        }
        .filter-tags {
            gap: 8px;
        }
        .filter-tag {
            padding: 6px 14px;
            font-size: 12px;
        }
    }
    @media (max-width: 360px) {
        .nav-logo {
            font-size: 16px;
        }
        .nav-toggle {
            font-size: 20px;
        }
        .btn {
            padding: 10px 18px;
            font-size: 13px;
        }
        .article-card .article-title {
            font-size: 14px;
        }
        .featured-item {
            flex-direction: column;
            align-items: flex-start;
            padding: 14px 16px;
        }
    }

/* roulang page: category4 */
:root {
        --brand-green: #C8FF3D;
        --brand-green-deep: #A8E623;
        --brand-green-bright: #D8FF66;
        --brand-dark: #171A21;
        --brand-dark-2: #1E222B;
        --brand-dark-3: #232833;
        --brand-orange: #FF6B35;
        --brand-orange-deep: #E5551F;
        --brand-orange-pale: #FF8C5F;
        --bg-light: #F4F6F8;
        --bg-white: #FFFFFF;
        --bg-soft: #EEF1F5;
        --text-primary: #1A1D24;
        --text-secondary: #5B6472;
        --text-tertiary: #8A93A3;
        --text-on-dark: #F2F5F8;
        --text-on-dark-secondary: #B8C0CB;
        --border-color: #E4E8EE;
        --border-color-dark: rgba(255,255,255,0.12);
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-card: 16px;
        --radius-pill: 999px;
        --shadow-light: 0 4px 16px rgba(18,24,35,0.06);
        --shadow-medium: 0 8px 24px rgba(18,24,35,0.1);
        --shadow-dark: 0 12px 32px rgba(0,0,0,0.28);
        --shadow-green-glow: 0 4px 24px rgba(200,255,61,0.28);
        --font-chinese: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        --transition-fast: 0.2s ease;
        --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --section-padding-desktop: 64px;
        --section-padding-mobile: 40px;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-chinese);
        font-size: 16px;
        font-weight: 400;
        line-height: 1.8;
        color: var(--text-primary);
        background-color: var(--bg-light);
        margin: 0;
        padding: 0;
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast);
    }

    a:hover {
        text-decoration: none;
        opacity: 0.82;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-md);
    }

    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    textarea:focus-visible,
    select:focus-visible {
        outline: 2px solid var(--brand-orange);
        outline-offset: 2px;
        border-radius: var(--radius-pill);
    }

    .container-width {
        max-width: 1200px;
        margin: 0 auto;
        padding-left: 20px;
        padding-right: 20px;
    }

    .section-padding {
        padding-top: var(--section-padding-desktop);
        padding-bottom: var(--section-padding-desktop);
    }

    .section-padding-sm {
        padding-top: 40px;
        padding-bottom: 40px;
    }

    .section-tag {
        display: inline-block;
        padding: 6px 16px;
        border-radius: var(--radius-pill);
        font-size: 13px;
        font-weight: 600;
        letter-spacing: 0.04em;
        color: var(--text-secondary);
        background-color: var(--bg-soft);
        margin-bottom: 14px;
        border: 1px solid var(--border-color);
    }

    .section-tag-green {
        background-color: rgba(200,255,61,0.15);
        color: var(--brand-green-deep);
        border-color: rgba(200,255,61,0.4);
    }

    .section-tag-orange {
        background-color: rgba(255,107,53,0.1);
        color: var(--brand-orange);
        border-color: rgba(255,107,53,0.35);
    }

    .section-desc {
        font-size: 16px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 720px;
        margin-bottom: 28px;
    }

    .section-desc-light {
        color: var(--text-on-dark-secondary);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 14px 28px;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        line-height: 1.2;
        cursor: pointer;
        transition: all var(--transition-base);
        border: 2px solid transparent;
        text-align: center;
        white-space: nowrap;
        user-select: none;
        letter-spacing: 0.01em;
    }

    .btn:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-medium);
        opacity: 1;
    }

    .btn:active {
        transform: translateY(0);
        box-shadow: none;
    }

    .btn-primary {
        background-color: var(--brand-green);
        color: var(--brand-dark);
        border-color: var(--brand-green);
    }

    .btn-primary:hover {
        background-color: var(--brand-green-deep);
        border-color: var(--brand-green-deep);
        box-shadow: var(--shadow-green-glow);
    }

    .btn-secondary {
        background-color: var(--brand-orange);
        color: #FFFFFF;
        border-color: var(--brand-orange);
    }

    .btn-secondary:hover {
        background-color: var(--brand-orange-deep);
        border-color: var(--brand-orange-deep);
        box-shadow: var(--shadow-medium);
    }

    .btn-ghost-dark {
        background-color: transparent;
        color: var(--text-on-dark);
        border-color: rgba(255,255,255,0.3);
    }

    .btn-ghost-dark:hover {
        background-color: rgba(255,255,255,0.08);
        border-color: var(--brand-green);
        color: var(--brand-green);
    }

    /* ========== Header / Nav ========== */
    .site-header {
        position: fixed;
        top: 12px;
        left: 0;
        right: 0;
        z-index: 9999;
        display: flex;
        justify-content: center;
        pointer-events: none;
    }

    .nav-shell {
        pointer-events: auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        width: 72%;
        max-width: 1200px;
        padding: 8px 12px 8px 22px;
        border-radius: 999px;
        background-color: rgba(23,26,33,0.82);
        -webkit-backdrop-filter: blur(12px);
        backdrop-filter: blur(12px);
        box-shadow: var(--shadow-dark);
        border: 1px solid rgba(255,255,255,0.08);
    }

    .nav-logo {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 20px;
        font-weight: 700;
        color: #FFFFFF;
        white-space: nowrap;
        flex-shrink: 0;
    }

    .nav-logo .logo-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--brand-green);
        box-shadow: var(--shadow-green-glow);
        flex-shrink: 0;
    }

    .main-nav {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        align-items: center;
        gap: 4px;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -ms-overflow-style: none;
    }

    .main-nav::-webkit-scrollbar {
        display: none;
    }

    .main-nav li {
        flex-shrink: 0;
    }

    .main-nav a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 16px;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-on-dark-secondary);
        white-space: nowrap;
        transition: all var(--transition-fast);
        position: relative;
    }

    .main-nav a:hover {
        color: #FFFFFF;
        background-color: rgba(255,255,255,0.06);
        opacity: 1;
    }

    .main-nav a.active {
        color: var(--brand-green);
        background-color: rgba(200,255,61,0.1);
        font-weight: 600;
    }

    .main-nav a.active::after {
        content: "";
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 4px;
        height: 4px;
        border-radius: 50%;
        background: var(--brand-green);
        box-shadow: var(--shadow-green-glow);
    }

    .nav-cta {
        flex-shrink: 0;
        padding: 9px 20px;
        font-size: 13px;
        border-radius: 999px;
        background-color: var(--brand-orange);
        color: #FFFFFF;
        font-weight: 600;
        white-space: nowrap;
        transition: all var(--transition-fast);
        border: none;
        cursor: pointer;
    }

    .nav-cta:hover {
        background-color: var(--brand-orange-deep);
        transform: translateY(-1px);
        box-shadow: var(--shadow-medium);
        opacity: 1;
    }

    .nav-toggle {
        display: none;
        flex-shrink: 0;
        background: none;
        border: none;
        color: #FFFFFF;
        font-size: 22px;
        cursor: pointer;
        padding: 6px 10px;
        border-radius: 8px;
        transition: background var(--transition-fast);
    }

    .nav-toggle:hover {
        background-color: rgba(255,255,255,0.1);
    }

    /* ========== Breadcrumb / Category Header ========== */
    .category-header {
        background-color: var(--bg-white);
        border-bottom: 1px solid var(--border-color);
        padding-top: 120px;
        padding-bottom: 28px;
    }

    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--text-tertiary);
        margin-bottom: 14px;
        flex-wrap: wrap;
    }

    .breadcrumb a {
        color: var(--text-secondary);
        transition: color var(--transition-fast);
    }

    .breadcrumb a:hover {
        color: var(--brand-green-deep);
        opacity: 1;
    }

    .breadcrumb .separator {
        color: var(--text-tertiary);
    }

    .breadcrumb .current {
        color: var(--text-primary);
        font-weight: 500;
    }

    .category-header h1 {
        font-size: clamp(32px, 5vw, 44px);
        font-weight: 700;
        letter-spacing: -0.02em;
        line-height: 1.2;
        color: var(--text-primary);
        margin: 0 0 10px;
    }

    .category-header .category-lead {
        font-size: 17px;
        color: var(--text-secondary);
        line-height: 1.8;
        max-width: 680px;
        margin: 0;
    }

    /* ========== Tag Filter Bar ========== */
    .tag-filter-section {
        background-color: var(--bg-white);
        border-bottom: 1px solid var(--border-color);
        padding: 16px 0;
    }

    .tag-filter-wrap {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-wrap: wrap;
    }

    .tag-filter-label {
        font-size: 13px;
        font-weight: 600;
        color: var(--text-secondary);
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .tag-filter-label i {
        color: var(--brand-green-deep);
    }

    .tag-chip {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 7px 16px;
        border-radius: 999px;
        font-size: 13px;
        font-weight: 500;
        color: var(--text-secondary);
        background-color: var(--bg-light);
        border: 1px solid var(--border-color);
        cursor: pointer;
        transition: all var(--transition-fast);
        white-space: nowrap;
        user-select: none;
    }

    .tag-chip:hover {
        border-color: var(--brand-green);
        color: var(--brand-green-deep);
        background-color: rgba(200,255,61,0.08);
        opacity: 1;
    }

    .tag-chip.active {
        background-color: rgba(200,255,61,0.15);
        color: var(--brand-green-deep);
        border-color: rgba(200,255,61,0.5);
        font-weight: 600;
    }

    /* ========== Article List Cards ========== */
    .article-list-section {
        background-color: var(--bg-light);
        padding-top: 36px;
        padding-bottom: var(--section-padding-desktop);
    }

    .article-card {
        background-color: var(--bg-white);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-light);
        overflow: hidden;
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
        height: 100%;
    }

    .article-card:hover {
        transform: translateY(-4px);
        border-color: var(--brand-green);
        box-shadow: var(--shadow-medium);
    }

    .article-card-media {
        position: relative;
        overflow: hidden;
        border-radius: var(--radius-card) var(--radius-card) 0 0;
        aspect-ratio: 16 / 9;
        flex-shrink: 0;
    }

    .article-card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 0;
        transition: transform var(--transition-base);
    }

    .article-card:hover .article-card-media img {
        transform: scale(1.04);
    }

    .article-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        padding: 5px 12px;
        border-radius: 999px;
        font-size: 12px;
        font-weight: 600;
        background-color: rgba(23,26,33,0.78);
        color: var(--brand-green);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        border: 1px solid rgba(255,255,255,0.15);
        z-index: 2;
    }

    .article-badge.orange {
        background-color: rgba(255,107,53,0.85);
        color: #FFFFFF;
        border-color: rgba(255,255,255,0.2);
    }

    .article-card-body {
        padding: 18px 20px 20px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        flex: 1;
    }

    .article-card-title {
        font-size: 17px;
        font-weight: 600;
        line-height: 1.5;
        color: var(--text-primary);
        margin: 0;
        transition: color var(--transition-fast);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .article-card:hover .article-card-title {
        color: var(--brand-green-deep);
    }

    .article-card-excerpt {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin: 0;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
        flex: 1;
    }

    .article-card-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 12px;
        color: var(--text-tertiary);
        flex-wrap: wrap;
        padding-top: 4px;
    }

    .article-card-meta span {
        display: inline-flex;
        align-items: center;
        gap: 5px;
    }

    .article-card-meta .heat {
        color: var(--brand-orange);
        font-weight: 500;
    }

    /* Horizontal list variant */
    .article-list-horizontal {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .article-h-card {
        display: flex;
        gap: 16px;
        background-color: var(--bg-white);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-color);
        padding: 14px;
        box-shadow: var(--shadow-light);
        transition: all var(--transition-base);
        align-items: center;
    }

    .article-h-card:hover {
        transform: translateY(-2px);
        border-color: var(--brand-green);
        box-shadow: var(--shadow-medium);
    }

    .article-h-thumb {
        width: 120px;
        height: 80px;
        border-radius: var(--radius-md);
        overflow: hidden;
        flex-shrink: 0;
    }

    .article-h-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: var(--radius-md);
        transition: transform var(--transition-base);
    }

    .article-h-card:hover .article-h-thumb img {
        transform: scale(1.05);
    }

    .article-h-info {
        flex: 1;
        min-width: 0;
    }

    .article-h-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 6px;
        line-height: 1.5;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        transition: color var(--transition-fast);
    }

    .article-h-card:hover .article-h-title {
        color: var(--brand-green-deep);
    }

    .article-h-meta {
        font-size: 12px;
        color: var(--text-tertiary);
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
    }

    /* ========== Featured Picks ========== */
    .featured-picks-section {
        background-color: var(--bg-white);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }

    .featured-pick {
        display: flex;
        align-items: center;
        gap: 18px;
        padding: 18px;
        background-color: var(--bg-light);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-color);
        transition: all var(--transition-base);
        height: 100%;
    }

    .featured-pick:hover {
        border-color: var(--brand-green);
        box-shadow: var(--shadow-medium);
        transform: translateY(-2px);
    }

    .featured-pick-rank {
        flex-shrink: 0;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: var(--brand-dark);
        color: var(--brand-green);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 700;
        font-size: 18px;
    }

    .featured-pick-info {
        flex: 1;
        min-width: 0;
    }

    .featured-pick-title {
        font-size: 15px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 5px;
        line-height: 1.5;
    }

    .featured-pick-desc {
        font-size: 13px;
        color: var(--text-secondary);
        margin: 0;
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .featured-pick-meta {
        font-size: 12px;
        color: var(--text-tertiary);
        margin-top: 6px;
    }

    /* ========== Data Snapshot ========== */
    .data-snapshot-section {
        background-color: var(--bg-light);
    }

    .stat-card {
        background: var(--bg-white);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-card);
        padding: 24px 20px;
        text-align: center;
        transition: all var(--transition-base);
        height: 100%;
        box-shadow: var(--shadow-light);
    }

    .stat-card:hover {
        border-color: var(--brand-green);
        transform: translateY(-3px);
        box-shadow: var(--shadow-medium);
    }

    .stat-value {
        font-size: clamp(28px, 4vw, 38px);
        font-weight: 700;
        color: var(--brand-dark);
        letter-spacing: -0.02em;
        line-height: 1.2;
        display: block;
        margin-bottom: 8px;
    }

    .stat-value .highlight {
        color: var(--brand-green-deep);
    }

    .stat-label {
        font-size: 14px;
        color: var(--text-secondary);
        font-weight: 500;
        margin: 0;
    }

    .stat-note {
        font-size: 12px;
        color: var(--text-tertiary);
        margin-top: 6px;
    }

    /* ========== FAQ Accordion ========== */
    .faq-section {
        background-color: var(--bg-white);
        border-top: 1px solid var(--border-color);
        border-bottom: 1px solid var(--border-color);
    }

    .accordion-custom {
        list-style: none;
        margin: 0;
        padding: 0;
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .accordion-custom-item {
        border: 1px solid var(--border-color);
        border-radius: var(--radius-card);
        overflow: hidden;
        background-color: #F8FAFC;
        transition: border-color var(--transition-fast);
    }

    .accordion-custom-item:focus-within {
        border-color: var(--brand-green);
    }

    .accordion-title-custom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        padding: 18px 20px;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        cursor: pointer;
        background: none;
        border: none;
        width: 100%;
        text-align: left;
        transition: background var(--transition-fast);
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }

    .accordion-title-custom:hover {
        background-color: rgba(200,255,61,0.06);
    }

    .accordion-title-custom .plus-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background-color: var(--bg-soft);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 16px;
        font-weight: 400;
        color: var(--text-secondary);
        transition: all var(--transition-base);
    }

    .accordion-item-open .accordion-title-custom .plus-icon {
        transform: rotate(45deg);
        background-color: rgba(200,255,61,0.25);
        color: var(--brand-green-deep);
    }

    .accordion-content-custom {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-base), padding var(--transition-base);
        padding: 0 20px;
    }

    .accordion-content-custom p {
        font-size: 15px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin: 0;
        padding-bottom: 18px;
    }

    .accordion-item-open .accordion-content-custom {
        max-height: 500px;
        padding-top: 4px;
    }

    /* ========== Subscribe ========== */
    .subscribe-section {
        background-color: var(--brand-dark);
        background-image: radial-gradient(ellipse at 80% 20%, rgba(200,255,61,0.08), transparent 55%),
                          radial-gradient(ellipse at 15% 85%, rgba(255,107,53,0.06), transparent 55%);
    }

    .subscribe-card {
        background-color: var(--brand-dark-2);
        border: 1px solid var(--border-color-dark);
        border-radius: var(--radius-card);
        padding: 36px 32px;
        box-shadow: var(--shadow-dark);
        text-align: center;
        max-width: 720px;
        margin: 0 auto;
    }

    .subscribe-card h2 {
        color: var(--text-on-dark);
        font-size: clamp(22px, 3vw, 28px);
        font-weight: 700;
        margin: 0 0 10px;
        letter-spacing: -0.01em;
    }

    .subscribe-card p {
        color: var(--text-on-dark-secondary);
        font-size: 15px;
        line-height: 1.7;
        margin: 0 0 24px;
    }

    .subscribe-form {
        display: flex;
        gap: 12px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .subscribe-form input[type="email"],
    .subscribe-form input[type="text"] {
        padding: 12px 20px;
        border-radius: 999px;
        border: 1px solid rgba(255,255,255,0.18);
        background-color: rgba(255,255,255,0.06);
        color: var(--text-on-dark);
        font-size: 14px;
        min-width: 200px;
        flex: 1;
        max-width: 280px;
        transition: all var(--transition-fast);
        outline: none;
    }

    .subscribe-form input::placeholder {
        color: rgba(255,255,255,0.4);
    }

    .subscribe-form input:focus {
        border-color: var(--brand-green);
        box-shadow: 0 0 0 3px rgba(200,255,61,0.18);
        background-color: rgba(255,255,255,0.08);
    }

    .subscribe-form .btn {
        flex-shrink: 0;
    }

    .form-success {
        display: none;
        color: var(--brand-green);
        font-size: 14px;
        font-weight: 500;
        margin-top: 14px;
    }

    .form-success.visible {
        display: block;
    }

    /* ========== Related Category Entry ========== */
    .related-categories-section {
        background-color: var(--bg-light);
    }

    .related-cat-link {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 20px;
        background-color: var(--bg-white);
        border-radius: var(--radius-card);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-light);
        transition: all var(--transition-base);
        height: 100%;
    }

    .related-cat-link:hover {
        border-color: var(--brand-green);
        transform: translateY(-3px);
        box-shadow: var(--shadow-medium);
        opacity: 1;
    }

    .related-cat-icon {
        flex-shrink: 0;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background-color: rgba(200,255,61,0.12);
        border: 1px solid rgba(200,255,61,0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--brand-green-deep);
        font-size: 20px;
    }

    .related-cat-name {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-primary);
        margin: 0 0 4px;
    }

    .related-cat-desc {
        font-size: 13px;
        color: var(--text-secondary);
        margin: 0;
        line-height: 1.6;
    }

    /* ========== Footer ========== */
    .site-footer {
        background-color: var(--brand-dark);
        color: var(--text-on-dark);
        padding-top: 56px;
        padding-bottom: 20px;
        border-top: 1px solid var(--border-color-dark);
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 36px;
    }

    .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 22px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 14px;
    }

    .footer-logo .logo-dot {
        width: 10px;
        height: 10px;
        border-radius: 50%;
        background: var(--brand-green);
        box-shadow: var(--shadow-green-glow);
    }

    .footer-desc {
        font-size: 14px;
        color: var(--text-on-dark-secondary);
        line-height: 1.8;
        margin: 0 0 16px;
        max-width: 360px;
    }

    .footer-col h4 {
        font-size: 14px;
        font-weight: 600;
        color: #FFFFFF;
        margin: 0 0 14px;
        letter-spacing: 0.04em;
    }

    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }

    .footer-col ul li {
        margin-bottom: 8px;
    }

    .footer-col ul li a {
        font-size: 14px;
        color: var(--text-on-dark-secondary);
        transition: color var(--transition-fast);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .footer-col ul li a:hover {
        color: var(--brand-green);
        opacity: 1;
    }

    .footer-bottom {
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
        padding-top: 18px;
        border-top: 1px solid var(--border-color-dark);
        font-size: 13px;
        color: var(--text-on-dark-secondary);
    }

    .footer-legal {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    .footer-legal span {
        white-space: nowrap;
    }

    .footer-legal a {
        color: var(--text-on-dark-secondary);
        white-space: nowrap;
        transition: color var(--transition-fast);
    }

    .footer-legal a:hover {
        color: var(--brand-green);
        opacity: 1;
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
        .nav-shell {
            width: 88%;
            padding: 8px 10px 8px 16px;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .section-padding {
            padding-top: 52px;
            padding-bottom: 52px;
        }
    }

    @media (max-width: 768px) {
        .nav-shell {
            width: 94%;
            padding: 8px 10px 8px 14px;
            gap: 8px;
        }

        .nav-logo {
            font-size: 18px;
        }

        .main-nav a {
            padding: 7px 12px;
            font-size: 13px;
        }

        .nav-cta {
            padding: 7px 14px;
            font-size: 12px;
        }

        .category-header {
            padding-top: 100px;
            padding-bottom: 20px;
        }

        .category-header h1 {
            font-size: clamp(26px, 6vw, 32px);
        }

        .article-list-section {
            padding-top: 24px;
            padding-bottom: 44px;
        }

        .article-h-card {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }

        .article-h-thumb {
            width: 100%;
            height: 160px;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
            gap: 8px;
        }

        .footer-legal {
            justify-content: center;
            gap: 8px 12px;
        }

        .subscribe-card {
            padding: 26px 18px;
        }

        .subscribe-form {
            flex-direction: column;
            align-items: center;
        }

        .subscribe-form input[type="email"],
        .subscribe-form input[type="text"] {
            max-width: 100%;
            width: 100%;
            min-width: auto;
        }
    }

    @media (max-width: 520px) {
        .nav-shell {
            width: 96%;
            border-radius: 24px;
            padding: 6px 8px;
            flex-wrap: nowrap;
        }

        .nav-logo {
            font-size: 16px;
            gap: 6px;
        }

        .nav-logo .logo-dot {
            width: 8px;
            height: 8px;
        }

        .main-nav {
            gap: 0;
        }

        .main-nav a {
            padding: 6px 9px;
            font-size: 12px;
        }

        .nav-cta {
            padding: 6px 10px;
            font-size: 11px;
        }

        .section-padding {
            padding-top: 36px;
            padding-bottom: 36px;
        }

        .section-padding-sm {
            padding-top: 28px;
            padding-bottom: 28px;
        }

        .category-header {
            padding-top: 88px;
        }

        .article-card-body {
            padding: 14px 16px 16px;
        }

        .article-card-title {
            font-size: 15px;
        }

        .featured-pick {
            padding: 14px;
            gap: 12px;
        }

        .featured-pick-rank {
            width: 32px;
            height: 32px;
            font-size: 15px;
        }

        .stat-card {
            padding: 18px 14px;
        }

        .stat-value {
            font-size: 26px;
        }

        .accordion-title-custom {
            padding: 14px 16px;
            font-size: 15px;
        }

        .accordion-content-custom {
            padding: 0 16px;
        }

        .related-cat-link {
            padding: 14px;
            gap: 10px;
        }

        .related-cat-icon {
            width: 38px;
            height: 38px;
            font-size: 16px;
        }
    }

    @media (max-width: 360px) {
        .container-width {
            padding-left: 14px;
            padding-right: 14px;
        }

        .nav-shell {
            padding: 5px 6px;
            border-radius: 20px;
        }

        .nav-logo {
            font-size: 14px;
        }

        .main-nav a {
            padding: 5px 7px;
            font-size: 11px;
        }
    }

/* roulang page: category5 */
:root {
            --brand-green: #C8FF3D;
            --brand-green-deep: #A8E623;
            --brand-green-bright: #D8FF66;
            --brand-dark: #171A21;
            --brand-dark-2: #1E222B;
            --brand-dark-3: #232833;
            --brand-orange: #FF6B35;
            --brand-orange-deep: #E5551F;
            --brand-orange-pale: #FF8C5F;
            --bg-light: #F4F6F8;
            --bg-white: #FFFFFF;
            --bg-soft: #EEF1F5;
            --text-primary: #1A1D24;
            --text-secondary: #5B6472;
            --text-tertiary: #8A93A3;
            --text-on-dark: #F2F5F8;
            --text-on-dark-secondary: #B8C0CB;
            --border-color: #E4E8EE;
            --border-color-dark: rgba(255, 255, 255, 0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-card: 16px;
            --radius-pill: 999px;
            --shadow-light: 0 4px 16px rgba(18, 24, 35, 0.06);
            --shadow-medium: 0 8px 24px rgba(18, 24, 35, 0.1);
            --shadow-dark: 0 12px 32px rgba(0, 0, 0, 0.28);
            --shadow-green-glow: 0 4px 24px rgba(200, 255, 61, 0.28);
            --font-chinese: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --section-padding-desktop: 88px;
            --section-padding-mobile: 48px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-chinese);
            font-size: 16px;
            font-weight: 400;
            line-height: 1.8;
            color: var(--text-primary);
            background-color: var(--bg-light);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast);
        }

        a:hover {
            text-decoration: none;
            opacity: 0.82;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--brand-orange);
            outline-offset: 2px;
            border-radius: var(--radius-pill);
        }

        .container-width {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-padding {
            padding-top: var(--section-padding-desktop);
            padding-bottom: var(--section-padding-desktop);
        }

        .section-padding-sm {
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            color: var(--text-secondary);
            background-color: var(--bg-soft);
            margin-bottom: 14px;
            border: 1px solid var(--border-color);
        }

        .section-tag-green {
            background-color: rgba(200, 255, 61, 0.15);
            color: var(--brand-green-deep);
            border-color: rgba(200, 255, 61, 0.4);
        }

        .section-tag-orange {
            background-color: rgba(255, 107, 53, 0.1);
            color: var(--brand-orange);
            border-color: rgba(255, 107, 53, 0.35);
        }

        .section-title {
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-primary);
            margin: 0 0 16px;
            letter-spacing: -0.01em;
        }

        .section-title-dark {
            color: var(--text-on-dark);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section-desc-light {
            color: var(--text-on-dark-secondary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-pill);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.2;
            cursor: pointer;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            text-align: center;
            white-space: nowrap;
            user-select: none;
            letter-spacing: 0.01em;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-medium);
            opacity: 1;
        }

        .btn:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-primary {
            background-color: var(--brand-green);
            color: var(--brand-dark);
            border-color: var(--brand-green);
        }

        .btn-primary:hover {
            background-color: var(--brand-green-deep);
            border-color: var(--brand-green-deep);
            box-shadow: var(--shadow-green-glow);
        }

        .btn-secondary {
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border-color: var(--brand-orange);
        }

        .btn-secondary:hover {
            background-color: var(--brand-orange-deep);
            border-color: var(--brand-orange-deep);
        }

        .btn-outline-dark {
            background-color: transparent;
            color: var(--text-on-dark);
            border-color: var(--border-color-dark);
        }

        .btn-outline-dark:hover {
            background-color: rgba(255, 255, 255, 0.08);
            border-color: var(--brand-green);
            color: var(--brand-green);
        }

        .btn-sm {
            padding: 10px 18px;
            font-size: 13px;
        }

        .header-spacer {
            height: 80px;
        }

        .site-header {
            position: fixed;
            top: 12px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: 72%;
            max-width: 1200px;
        }

        .nav-shell {
            background-color: rgba(23, 26, 33, 0.82);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-pill);
            padding: 10px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-dark);
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 18px;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-logo .logo-dot {
            width: 10px;
            height: 10px;
            background-color: var(--brand-green);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px rgba(200, 255, 61, 0.6);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .main-nav li a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
        }

        .main-nav li a:hover {
            color: #FFFFFF;
            background-color: rgba(255, 255, 255, 0.06);
            opacity: 1;
        }

        .main-nav li a.active {
            color: var(--brand-green);
            background-color: rgba(200, 255, 61, 0.08);
        }

        .main-nav li a.active::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background-color: var(--brand-green);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .nav-cta {
            padding: 8px 18px;
            font-size: 13px;
            border-radius: var(--radius-pill);
            background-color: var(--brand-orange);
            color: #FFFFFF;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            font-weight: 600;
            white-space: nowrap;
        }

        .nav-cta:hover {
            background-color: var(--brand-orange-deep);
            transform: translateY(-1px);
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #FFFFFF;
            font-size: 22px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu {
            display: none;
            flex-direction: column;
            background-color: var(--brand-dark);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            margin-top: 10px;
            border: 1px solid var(--border-color-dark);
            box-shadow: var(--shadow-dark);
        }

        .mobile-menu a {
            color: var(--text-on-dark-secondary);
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover {
            background-color: rgba(255, 255, 255, 0.06);
            color: #FFFFFF;
            opacity: 1;
        }

        .mobile-menu a.active {
            color: var(--brand-green);
            background-color: rgba(200, 255, 61, 0.08);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-tertiary);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--brand-green-deep);
        }

        .breadcrumb .separator {
            color: var(--text-tertiary);
            font-size: 12px;
        }

        .breadcrumb .current {
            color: var(--brand-green-deep);
            font-weight: 600;
        }

        .page-h1-area {
            background-color: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            padding: 60px 0 44px;
            position: relative;
            overflow: hidden;
        }

        .page-h1-area::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -100px;
            width: 320px;
            height: 320px;
            border: 2px dashed rgba(200, 255, 61, 0.2);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-h1-area::before {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 180px;
            height: 180px;
            background: radial-gradient(circle, rgba(200, 255, 61, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-h1 {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            color: var(--brand-dark);
            margin: 0 0 12px;
            line-height: 1.15;
            letter-spacing: -0.02em;
        }

        .page-h1-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin: 0;
            position: relative;
            z-index: 1;
        }

        .profile-list-section {
            background-color: var(--bg-light);
        }

        .profile-card {
            display: flex;
            gap: 24px;
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 24px;
            margin-bottom: 20px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-light);
            position: relative;
            overflow: hidden;
        }

        .profile-card:hover {
            transform: translateY(-4px);
            border-color: var(--brand-green);
            box-shadow: var(--shadow-medium);
        }

        .profile-card .profile-content {
            flex: 1;
            min-width: 0;
        }

        .profile-card .profile-image {
            flex-shrink: 0;
            width: 180px;
            min-height: 120px;
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: var(--bg-soft);
        }

        .profile-card .profile-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .profile-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }

        .badge-organizer {
            background-color: rgba(200, 255, 61, 0.15);
            color: #5A7A0B;
            border: 1px solid rgba(200, 255, 61, 0.4);
        }

        .badge-analyst {
            background-color: rgba(255, 107, 53, 0.1);
            color: var(--brand-orange);
            border: 1px solid rgba(255, 107, 53, 0.35);
        }

        .badge-commentator {
            background-color: rgba(23, 26, 33, 0.06);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        .badge-observer {
            background-color: rgba(139, 148, 163, 0.12);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        .badge-reviewer {
            background-color: rgba(255, 140, 95, 0.1);
            color: var(--brand-orange-deep);
            border: 1px solid rgba(255, 107, 53, 0.3);
        }

        .badge-planner {
            background-color: rgba(200, 255, 61, 0.1);
            color: var(--brand-green-deep);
            border: 1px solid rgba(200, 255, 61, 0.3);
        }

        .badge-designer {
            background-color: rgba(200, 255, 61, 0.08);
            color: #6B8C1E;
            border: 1px solid rgba(200, 255, 61, 0.25);
        }

        .badge-liaison {
            background-color: rgba(255, 107, 53, 0.08);
            color: var(--brand-orange);
            border: 1px solid rgba(255, 107, 53, 0.25);
        }

        .badge-advisor {
            background-color: rgba(23, 26, 33, 0.05);
            color: var(--text-secondary);
            border: 1px solid var(--border-color);
        }

        .badge-curator {
            background-color: rgba(200, 255, 61, 0.12);
            color: var(--brand-green-deep);
            border: 1px solid rgba(200, 255, 61, 0.35);
        }

        .profile-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .profile-summary {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
            max-width: 680px;
        }

        .profile-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            font-size: 13px;
            color: var(--text-tertiary);
        }

        .profile-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .heat-value {
            color: var(--brand-orange);
            font-weight: 600;
        }

        .load-more-wrap {
            text-align: center;
            margin-top: 32px;
        }

        .filter-tags-section {
            background-color: var(--bg-white);
            padding: 48px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .filter-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 18px;
        }

        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: var(--bg-soft);
            border: 1px solid var(--border-color);
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .filter-tag:hover {
            border-color: var(--brand-green);
            color: var(--brand-green-deep);
            background-color: rgba(200, 255, 61, 0.08);
        }

        .filter-tag .fa {
            font-size: 11px;
            opacity: 0.7;
        }

        .editors-pick-section {
            background-color: var(--bg-light);
        }

        .pick-card {
            display: flex;
            gap: 16px;
            align-items: center;
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-light);
            transition: all var(--transition-base);
            margin-bottom: 14px;
        }

        .pick-card:hover {
            transform: translateX(4px);
            border-color: var(--brand-green);
            box-shadow: var(--shadow-medium);
        }

        .pick-card .pick-thumb {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            overflow: hidden;
            flex-shrink: 0;
            background-color: var(--bg-soft);
        }

        .pick-card .pick-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .pick-card .pick-body {
            flex: 1;
            min-width: 0;
        }

        .pick-card .pick-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .pick-card .pick-sub {
            font-size: 13px;
            color: var(--text-tertiary);
            margin: 0;
        }

        .data-snapshot-section {
            background-color: var(--brand-dark);
            position: relative;
            overflow: hidden;
        }

        .data-snapshot-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(200, 255, 61, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .data-metric {
            text-align: center;
            padding: 20px 12px;
            border: 1px solid var(--border-color-dark);
            border-radius: var(--radius-card);
            background-color: rgba(255, 255, 255, 0.04);
            transition: all var(--transition-base);
        }

        .data-metric:hover {
            border-color: rgba(200, 255, 61, 0.4);
            background-color: rgba(255, 255, 255, 0.07);
        }

        .data-metric .metric-value {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 700;
            color: var(--brand-green);
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .data-metric .metric-label {
            font-size: 14px;
            color: var(--text-on-dark-secondary);
            font-weight: 500;
        }

        .faq-section {
            background-color: var(--bg-white);
            border-top: 1px solid var(--border-color);
        }

        .accordion {
            border-radius: var(--radius-card);
            overflow: hidden;
        }

        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            background-color: #F8FAFC;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .accordion-item:hover {
            border-color: #D0D6DE;
        }

        .accordion-item.is-active {
            border-color: var(--brand-green);
            background-color: #FAFEF0;
        }

        .accordion-title {
            padding: 16px 20px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .accordion-title:hover {
            color: var(--brand-green-deep);
        }

        .accordion-title::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--text-tertiary);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .accordion-item.is-active .accordion-title::after {
            transform: rotate(45deg);
            color: var(--brand-green-deep);
        }

        .accordion-content {
            padding: 0 20px 18px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }

        .accordion-item.is-active .accordion-content {
            display: block;
        }

        .subscribe-section {
            background-color: var(--brand-dark);
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::after {
            content: '';
            position: absolute;
            bottom: -120px;
            left: -60px;
            width: 380px;
            height: 380px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .subscribe-card {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color-dark);
            border-radius: var(--radius-card);
            padding: 36px 32px;
            max-width: 560px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .subscribe-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 20px;
        }

        .subscribe-form input {
            background-color: #FFFFFF;
            border: 1px solid #DFE5EB;
            border-radius: var(--radius-pill);
            padding: 14px 20px;
            font-size: 15px;
            color: var(--text-primary);
            transition: all var(--transition-fast);
            width: 100%;
        }

        .subscribe-form input::placeholder {
            color: var(--text-tertiary);
        }

        .subscribe-form input:focus {
            outline: none;
            border-color: var(--brand-green);
            box-shadow: 0 0 0 3px rgba(200, 255, 61, 0.18);
        }

        .subscribe-form .btn {
            width: 100%;
        }

        .subscribe-success {
            display: none;
            text-align: center;
            padding: 20px;
            background-color: rgba(200, 255, 61, 0.1);
            border-radius: var(--radius-md);
            border: 1px solid rgba(200, 255, 61, 0.3);
            color: var(--brand-green);
            font-weight: 600;
            font-size: 15px;
        }

        .related-section {
            background-color: var(--bg-light);
        }

        .related-entry {
            display: flex;
            align-items: center;
            gap: 14px;
            background-color: var(--bg-white);
            border-radius: var(--radius-card);
            padding: 16px 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-light);
            transition: all var(--transition-base);
            margin-bottom: 12px;
        }

        .related-entry:hover {
            border-color: var(--brand-green);
            transform: translateY(-2px);
            box-shadow: var(--shadow-medium);
        }

        .related-entry .related-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            flex-shrink: 0;
            background-color: rgba(200, 255, 61, 0.12);
            color: var(--brand-green-deep);
        }

        .related-entry .related-info {
            flex: 1;
        }

        .related-entry .related-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin: 0 0 2px;
        }

        .related-entry .related-sub {
            font-size: 13px;
            color: var(--text-tertiary);
            margin: 0;
        }

        .site-footer {
            background-color: var(--brand-dark);
            color: var(--text-on-dark-secondary);
            padding: 64px 0 28px;
            position: relative;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1.2fr 1.2fr 1.2fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 20px;
            margin-bottom: 14px;
        }

        .footer-logo .logo-dot {
            width: 10px;
            height: 10px;
            background-color: var(--brand-green);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 10px rgba(200, 255, 61, 0.6);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: var(--text-on-dark-secondary);
            margin-bottom: 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: var(--text-on-dark-secondary);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--brand-green);
            opacity: 1;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            padding-top: 22px;
            border-top: 1px solid var(--border-color-dark);
            font-size: 13px;
            color: var(--text-on-dark-secondary);
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
        }

        .footer-legal a {
            color: var(--text-on-dark-secondary);
        }

        .footer-legal a:hover {
            color: var(--brand-green);
        }

        @media (max-width: 1024px) {
            .site-header {
                width: 88%;
            }

            .main-nav li a {
                padding: 8px 10px;
                font-size: 13px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: 48px;
                padding-bottom: 48px;
            }

            .section-padding-sm {
                padding-top: 36px;
                padding-bottom: 36px;
            }

            .page-h1-area {
                padding: 44px 0 32px;
            }

            .profile-card {
                flex-direction: column;
                gap: 16px;
                padding: 18px;
            }

            .profile-card .profile-image {
                width: 100%;
                min-height: 160px;
                max-height: 200px;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                width: 94%;
                top: 8px;
            }

            .nav-shell {
                padding: 8px 14px;
                border-radius: 24px;
            }

            .main-nav {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .hamburger {
                display: block;
            }

            .mobile-menu {
                display: none;
            }

            .mobile-menu.is-open {
                display: flex;
            }

            .brand-logo {
                font-size: 16px;
            }

            .header-spacer {
                height: 64px;
            }

            .page-h1 {
                font-size: 28px;
            }

            .data-metric .metric-value {
                font-size: 28px;
            }

            .subscribe-card {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .profile-card .profile-meta {
                gap: 8px;
                font-size: 12px;
                flex-direction: column;
            }

            .filter-tags {
                gap: 6px;
            }

            .filter-tag {
                padding: 6px 12px;
                font-size: 12px;
            }

            .btn {
                padding: 11px 20px;
                font-size: 14px;
            }
        }