/* roulang page: index */
:root {
            --color-primary: #0b1a3b;
            --color-primary-light: #132856;
            --color-primary-surface: #1a3368;
            --color-accent: #c8943e;
            --color-accent-light: #e0b04f;
            --color-accent-glow: #f5d278;
            --color-highlight: #e0553a;
            --color-highlight-hover: #c7442b;
            --color-bg: #f5f4f1;
            --color-bg-alt: #edece7;
            --color-white: #ffffff;
            --color-text: #1a1a22;
            --color-text-strong: #0f0f16;
            --color-text-weak: #5e5e6b;
            --color-text-muted: #8b8b96;
            --color-border: #dcdbd6;
            --color-border-light: #eae9e4;
            --color-success: #2d9d5a;
            --color-warning: #e8a420;
            --radius-xs: 6px;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.09);
            --shadow-lg: 0 14px 40px rgba(0,0,0,0.13);
            --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
            --shadow-card: 0 2px 12px rgba(0,0,0,0.05), 0 8px 28px rgba(0,0,0,0.07);
            --shadow-card-hover: 0 6px 24px rgba(0,0,0,0.08), 0 16px 44px rgba(0,0,0,0.10);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, 'Segoe UI', sans-serif;
            --font-display: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Serif SC', 'STSong', serif;
            --max-width: 1240px;
            --nav-height: 68px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            text-rendering: optimizeLegibility;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text-strong);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            transition: box-shadow var(--transition-base);
            height: var(--nav-height);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-surface) 60%, #1e4299 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-glow);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary-surface);
        }

        .primary-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
        }
        .primary-nav>li {
            position: relative;
            height: 100%;
            display: flex;
            align-items: center;
        }
        .primary-nav>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            height: 42px;
        }
        .primary-nav>li>a:hover,
        .primary-nav>li>a.active {
            color: var(--color-primary);
            background: rgba(11,26,59,0.05);
        }
        .primary-nav>li>a.active {
            color: var(--color-accent);
            background: rgba(200,148,62,0.08);
        }
        .primary-nav .mega-trigger {
            position: relative;
        }
        .primary-nav .mega-trigger .arrow-icon {
            font-size: 0.65rem;
            transition: transform var(--transition-fast);
            opacity: 0.55;
        }
        .primary-nav>li:hover .mega-trigger .arrow-icon {
            transform: rotate(180deg);
            opacity: 1;
        }

        /* Mega Menu Panel */
        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(8px);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
            width: 620px;
            padding: 28px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-slow);
            z-index: 999;
        }
        .primary-nav>li:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(4px);
        }
        .mega-panel .mega-col h4 {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 1px solid var(--color-border-light);
            font-weight: 700;
        }
        .mega-panel .mega-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .mega-panel .mega-links a {
            display: block;
            padding: 9px 14px;
            border-radius: var(--radius-xs);
            font-size: 0.9rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            font-weight: 500;
        }
        .mega-panel .mega-links a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
            padding-left: 18px;
        }
        .mega-panel .mega-card {
            background: var(--color-bg);
            border-radius: var(--radius-md);
            padding: 16px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: all var(--transition-fast);
        }
        .mega-panel .mega-card:hover {
            background: var(--color-bg-alt);
        }
        .mega-panel .mega-card img {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
        }
        .mega-panel .mega-card .mega-card-info {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-strong);
        }
        .mega-panel .mega-card .mega-card-tag {
            font-size: 0.72rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-top: 2px;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .mobile-nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 2px;
            background: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .mobile-nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .mobile-nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .primary-nav {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                bottom: 0;
                background: var(--color-white);
                flex-direction: column;
                align-items: stretch;
                padding: 20px;
                gap: 2px;
                transform: translateX(100%);
                transition: transform var(--transition-slow);
                overflow-y: auto;
                z-index: 998;
            }
            .primary-nav.open {
                transform: translateX(0);
            }
            .primary-nav>li {
                height: auto;
                flex-direction: column;
            }
            .primary-nav>li>a {
                padding: 14px 16px;
                font-size: 1rem;
                justify-content: space-between;
                width: 100%;
                height: auto;
            }
            .mega-panel {
                position: static;
                transform: none;
                width: 100%;
                box-shadow: none;
                border: none;
                grid-template-columns: 1fr;
                padding: 8px 20px 16px;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                display: none;
                background: var(--color-bg);
                border-radius: var(--radius-sm);
            }
            .primary-nav>li.mega-open .mega-panel {
                display: grid;
            }
            .mobile-nav-toggle {
                display: flex;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(170deg, #0b1a3b 0%, #0f2448 30%, #132d56 65%, #1a3668 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.32;
            mix-blend-mode: overlay;
            z-index: 1;
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background:
                radial-gradient(1.5px 1.5px at 15% 25%, rgba(255,255,255,0.55) 50%, transparent 50%),
                radial-gradient(1px 1px at 28% 55%, rgba(255,255,255,0.4) 50%, transparent 50%),
                radial-gradient(1.5px 1.5px at 55% 18%, rgba(212,168,67,0.5) 50%, transparent 50%),
                radial-gradient(1px 1px at 70% 40%, rgba(255,255,255,0.35) 50%, transparent 50%),
                radial-gradient(1.5px 1.5px at 82% 22%, rgba(212,168,67,0.45) 50%, transparent 50%),
                radial-gradient(1px 1px at 38% 70%, rgba(255,255,255,0.3) 50%, transparent 50%),
                radial-gradient(1.5px 1.5px at 60% 72%, rgba(255,255,255,0.38) 50%, transparent 50%),
                radial-gradient(1px 1px at 88% 62%, rgba(212,168,67,0.4) 50%, transparent 50%),
                radial-gradient(1.2px 1.2px at 10% 78%, rgba(255,255,255,0.32) 50%, transparent 50%),
                radial-gradient(1.4px 1.4px at 45% 35%, rgba(255,255,255,0.42) 50%, transparent 50%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            color: #ffffff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 50px;
            padding: 7px 18px;
            font-size: 0.84rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: var(--color-accent-glow);
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .hero-badge .badge-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent-glow);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(245,210,120,0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(245,210,120,0);
            }
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 16px;
        }
        .hero-content h1 .accent {
            color: var(--color-accent-glow);
        }
        .hero-content .hero-desc {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.78);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 500px;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
            letter-spacing: 0.01em;
            position: relative;
            overflow: hidden;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #1a1200;
            box-shadow: 0 4px 16px rgba(200,148,62,0.35);
        }
        .btn-accent:hover {
            background: var(--color-accent-light);
            color: #1a1200;
            box-shadow: 0 8px 28px rgba(200,148,62,0.5);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255,255,255,0.45);
        }
        .btn-outline-light:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.7);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-primary {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(11,26,59,0.3);
        }
        .btn-primary:hover {
            background: var(--color-primary-surface);
            color: #ffffff;
            box-shadow: 0 8px 28px rgba(11,26,59,0.45);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.84rem;
            border-radius: 50px;
        }
        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-visual-inner {
            position: relative;
            width: 100%;
            max-width: 440px;
            aspect-ratio: 4/3;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 3px solid rgba(255,255,255,0.25);
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(4px);
        }
        .hero-visual-inner img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .hero-floating-card {
            position: absolute;
            background: rgba(255,255,255,0.15);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            color: #fff;
            font-weight: 600;
            font-size: 0.85rem;
            box-shadow: var(--shadow-lg);
            pointer-events: none;
        }
        .hero-floating-card.top-right {
            top: -10px;
            right: -20px;
        }
        .hero-floating-card.bottom-left {
            bottom: -14px;
            left: -18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-floating-card .mini-stat {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-accent-glow);
        }
        @media (max-width: 1024px) {
            .hero {
                min-height: auto;
                padding: 60px 0 50px;
            }
            .hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2.3rem;
            }
            .hero-content .hero-desc {
                font-size: 1rem;
            }
            .hero-visual-inner {
                max-width: 340px;
            }
            .hero-floating-card.top-right {
                right: 0;
                top: -8px;
            }
            .hero-floating-card.bottom-left {
                left: 0;
                bottom: -8px;
            }
        }
        @media (max-width: 520px) {
            .hero {
                padding: 40px 0 36px;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-visual-inner {
                max-width: 280px;
            }
            .hero-floating-card {
                display: none;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--color-text-strong);
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-sm) 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
        }

        /* ========== FEATURES ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: default;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary-surface);
            transition: all var(--transition-base);
        }
        .feature-card:hover .feature-icon {
            background: rgba(200,148,62,0.12);
            color: var(--color-accent);
        }
        .feature-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .feature-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.55;
        }
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 3/2;
            cursor: pointer;
            group: true;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: block;
            color: #fff;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .category-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11,26,59,0.82) 0%, rgba(11,26,59,0.3) 45%, rgba(11,26,59,0.05) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            transition: background var(--transition-base);
        }
        .category-card:hover .category-card-overlay {
            background: linear-gradient(0deg, rgba(11,26,59,0.9) 0%, rgba(11,26,59,0.4) 45%, rgba(11,26,59,0.1) 100%);
        }
        .category-card-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #1a1200;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
            letter-spacing: 0.04em;
            align-self: flex-start;
        }
        .category-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .category-card .cat-card-desc {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.8);
            line-height: 1.4;
        }
        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .category-card {
                aspect-ratio: 4/3;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-card {
                aspect-ratio: 16/10;
            }
        }

        /* ========== NEWS LIST ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1fr 420px;
            gap: 32px;
            align-items: start;
        }
        .news-featured {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 16/9;
            box-shadow: var(--shadow-md);
            display: block;
            color: #fff;
            transition: all var(--transition-base);
        }
        .news-featured:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .news-featured img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .news-featured:hover img {
            transform: scale(1.04);
        }
        .news-featured-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(0deg, rgba(11,26,59,0.85) 0%, rgba(11,26,59,0.2) 50%, rgba(11,26,59,0.0) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 28px;
        }
        .news-featured-tag {
            display: inline-block;
            background: var(--color-highlight);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
            align-self: flex-start;
            letter-spacing: 0.04em;
        }
        .news-featured h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .news-featured .news-featured-date {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.7);
        }
        .news-list-side {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-list-item {
            display: flex;
            gap: 14px;
            padding: 14px 16px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            align-items: flex-start;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--color-border);
            transform: translateX(3px);
        }
        .news-list-item .news-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-list-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-info h4 {
            font-size: 0.93rem;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .news-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .news-list-item .news-meta .news-cat {
            color: var(--color-accent);
            font-weight: 600;
        }
        .news-empty {
            text-align: center;
            padding: 40px;
            color: var(--color-text-muted);
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--color-border);
            font-size: 0.95rem;
        }
        @media (max-width: 1024px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-featured {
                aspect-ratio: 2/1;
            }
        }
        @media (max-width: 520px) {
            .news-list-item {
                flex-direction: column;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .news-featured {
                aspect-ratio: 3/2;
            }
        }

        /* ========== STATS ========== */
        .stats-section {
            background: var(--color-primary);
            color: #fff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            mix-blend-mode: soft-light;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 20px;
            border-radius: var(--radius-md);
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            transition: all var(--transition-base);
        }
        .stat-item:hover {
            background: rgba(255,255,255,0.1);
            border-color: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-accent-glow);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(255,255,255,0.75);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ========== PROCESS / STEPS ========== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-grid::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 12.5%;
            right: 12.5%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
            border-radius: 1px;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }
        .process-step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-white);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--color-primary);
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
        }
        .process-step:hover .process-step-num {
            border-color: var(--color-accent);
            background: rgba(200,148,62,0.08);
            color: var(--color-accent);
            box-shadow: 0 0 0 12px rgba(200,148,62,0.06);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 0.84rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px 20px;
            }
            .process-grid::before {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .process-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-strong);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            transition: color var(--transition-fast);
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-base);
            color: var(--color-text-weak);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: rgba(200,148,62,0.15);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-surface) 100%);
            color: #fff;
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.1;
            mix-blend-mode: soft-light;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-inner p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.78);
            margin-bottom: 28px;
            line-height: 1.6;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 520px) {
            .cta-inner h2 {
                font-size: 1.5rem;
            }
            .cta-buttons {
                flex-direction: column;
            }
            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0a1528;
            color: rgba(255,255,255,0.7);
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand h3 {
            font-size: 1.3rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255,255,255,0.55);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: rgba(255,255,255,0.9);
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-glow);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent-glow);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== MISC ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            border: 0;
        }
        ::selection {
            background: rgba(200,148,62,0.25);
            color: var(--color-text-strong);
        }
        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
            --color-primary: #1a1a2e;
            --color-primary-light: #16213e;
            --color-accent: #e94560;
            --color-accent-soft: #f05454;
            --color-gold: #d4a853;
            --color-gold-light: #f0d78c;
            --color-bg: #fafafa;
            --color-bg-alt: #f0f0f5;
            --color-bg-dark: #1a1a2e;
            --color-surface: #ffffff;
            --color-text: #1a1a2e;
            --color-text-soft: #555568;
            --color-text-muted: #888899;
            --color-text-light: #bbbbcc;
            --color-border: #e0e0e8;
            --color-border-light: #eeeef2;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
            --shadow-xl: 0 20px 60px rgba(0,0,0,0.18);
            --font-heading: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --font-body: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --max-width: 1240px;
            --max-width-article: 820px;
            --nav-height: 72px;
            --section-gap: 80px;
            --section-gap-sm: 48px;
        }

        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        button, input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            width: 100%;
            max-width: var(--max-width-article);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

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

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--color-accent);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .primary-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .primary-nav > li {
            position: relative;
        }

        .primary-nav > li > a {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 10px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .primary-nav > li > a:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        .primary-nav > li > a.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(233,69,96,0.06);
        }

        .arrow-icon {
            font-size: 0.65rem;
            transition: transform var(--transition-fast);
            color: var(--color-text-muted);
        }

        .mega-parent:hover .arrow-icon {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            padding: 28px 24px;
            display: flex;
            gap: 32px;
            min-width: 560px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-slow);
            border: 1px solid var(--color-border-light);
            z-index: 999;
        }

        .mega-parent:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: all;
            transform: translateX(-50%) translateY(6px);
        }

        .mega-col {
            flex: 1;
            min-width: 0;
        }

        .mega-col h4 {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            font-weight: 600;
        }

        .mega-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mega-links a {
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
        }

        .mega-links a:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        .mega-card {
            display: flex;
            gap: 12px;
            align-items: center;
            padding: 10px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            background: var(--color-bg);
            text-decoration: none;
        }

        .mega-card:hover {
            background: var(--color-bg-alt);
            box-shadow: var(--shadow-sm);
        }

        .mega-card img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }

        .mega-card-info {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.3;
        }

        .mega-card-tag {
            font-size: 0.72rem;
            color: var(--color-accent);
            font-weight: 600;
            margin-top: 2px;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .btn-nav-search {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            cursor: pointer;
            font-size: 1rem;
        }

        .btn-nav-search:hover {
            background: var(--color-bg-alt);
            color: var(--color-primary);
        }

        .btn-nav-cta {
            padding: 9px 18px;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: #d63852;
            box-shadow: 0 4px 14px rgba(233,69,96,0.35);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-wrap {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

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

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .sep {
            color: var(--color-border);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--color-text);
            font-weight: 500;
            pointer-events: none;
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-image: url('/assets/images/backpic/back-1.png');
            padding: 60px 0 40px;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(
                to bottom,
                rgba(26,26,46,0.25) 0%,
                rgba(26,26,46,0.55) 40%,
                rgba(26,26,46,0.88) 100%
            );
            z-index: 1;
        }

        .article-banner .container-narrow {
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .article-banner-category {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
        }

        .article-banner h1 {
            font-family: var(--font-heading);
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            font-weight: 700;
            color: #ffffff;
            line-height: 1.35;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
            text-shadow: 0 2px 8px rgba(0,0,0,0.3);
        }

        .article-banner-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255,255,255,0.85);
            font-size: 0.9rem;
        }

        .article-banner-meta span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-banner-meta i {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        /* ========== ARTICLE BODY ========== */
        .article-main {
            padding: var(--section-gap) 0;
            background: var(--color-surface);
        }

        .article-content {
            font-family: var(--font-body);
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--color-text);
        }

        .article-content h2 {
            font-family: var(--font-heading);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 36px 0 16px;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }

        .article-content h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--color-primary);
            margin: 28px 0 12px;
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 18px;
            color: var(--color-text-soft);
            text-align: justify;
        }

        .article-content blockquote {
            margin: 24px 0;
            padding: 20px 28px;
            border-left: 4px solid var(--color-accent);
            background: var(--color-bg-alt);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-style: italic;
            color: var(--color-text-soft);
            font-size: 1rem;
            line-height: 1.7;
        }

        .article-content ul, .article-content ol {
            margin: 16px 0;
            padding-left: 24px;
        }

        .article-content ul li {
            list-style: disc;
            margin-bottom: 8px;
            color: var(--color-text-soft);
        }

        .article-content ol li {
            list-style: decimal;
            margin-bottom: 8px;
            color: var(--color-text-soft);
        }

        .article-content strong {
            color: var(--color-primary);
            font-weight: 600;
        }

        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 3px;
            transition: color var(--transition-fast);
        }

        .article-content a:hover {
            color: #d63852;
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-md);
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--color-border-light);
            margin: 32px 0;
        }

        /* ========== ARTICLE TAGS ========== */
        .article-tags-section {
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--color-border-light);
        }

        .article-tags-label {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .article-tags-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .article-tag {
            display: inline-block;
            padding: 7px 15px;
            border-radius: 50px;
            background: var(--color-bg-alt);
            color: var(--color-text-soft);
            font-size: 0.85rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 1px solid transparent;
        }

        .article-tag:hover {
            background: var(--color-surface);
            border-color: var(--color-accent);
            color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }

        .article-not-found i {
            font-size: 4rem;
            color: var(--color-text-light);
            margin-bottom: 20px;
            display: block;
        }

        .article-not-found h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .article-not-found p {
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .btn-back-home:hover {
            background: #d63852;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        /* ========== RELATED POSTS ========== */
        .related-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg-alt);
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 50px;
            background: rgba(233,69,96,0.1);
            color: var(--color-accent);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-subtitle {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            margin-bottom: 36px;
        }

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

        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .related-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.06);
        }

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

        .related-card-cat {
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .related-card-title {
            font-family: var(--font-heading);
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
        }

        .related-card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--color-surface);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
            transition: color var(--transition-fast);
        }

        .faq-item:hover .faq-question {
            color: var(--color-accent);
        }

        .faq-toggle {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 2px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: all var(--transition-fast);
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }

        .faq-item.open .faq-toggle {
            border-color: var(--color-accent);
            background: var(--color-accent);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            padding-right: 48px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg-dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(233,69,96,0.12);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(212,168,83,0.10);
            pointer-events: none;
        }

        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta-inner h2 {
            font-family: var(--font-heading);
            font-size: clamp(1.5rem, 3vw, 2rem);
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            color: rgba(255,255,255,0.7);
            font-size: 1rem;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.02em;
        }

        .btn-cta-lg:hover {
            background: #d63852;
            box-shadow: 0 8px 28px rgba(233,69,96,0.4);
            transform: translateY(-3px);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.35);
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.02em;
            margin-left: 12px;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #121220;
            color: rgba(255,255,255,0.7);
            padding: 56px 0 28px;
        }

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

        .footer-brand h3 {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255,255,255,0.55);
        }

        .footer-col h4 {
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: rgba(255,255,255,0.45);
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
        }

        /* ========== MOBILE MENU OVERLAY ========== */
        .mobile-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 1001;
            background: rgba(0,0,0,0.5);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-overlay.active {
            opacity: 1;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            z-index: 1002;
            width: 320px;
            max-width: 85vw;
            height: 100vh;
            background: var(--color-surface);
            transform: translateX(100%);
            transition: transform var(--transition-slow);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            box-shadow: var(--shadow-xl);
        }

        .mobile-drawer.active {
            transform: translateX(0);
        }

        .mobile-drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            border-bottom: 1px solid var(--color-border-light);
        }

        .mobile-drawer-close {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            color: var(--color-text);
            transition: background var(--transition-fast);
        }

        .mobile-drawer-close:hover {
            background: var(--color-bg-alt);
        }

        .mobile-drawer-nav {
            flex: 1;
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .mobile-drawer-nav a {
            display: block;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-weight: 500;
            font-size: 1rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }

        .mobile-drawer-nav a:hover,
        .mobile-drawer-nav a.active {
            background: var(--color-bg-alt);
            color: var(--color-accent);
        }

        .mobile-drawer-nav .mobile-sub-label {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-text-muted);
            padding: 8px 16px 4px;
            margin-top: 8px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

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

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

            .mega-panel {
                min-width: 440px;
                gap: 20px;
                padding: 20px 16px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-gap: 52px;
                --section-gap-sm: 36px;
            }

            .container, .container-narrow {
                padding: 0 18px;
            }

            .primary-nav {
                display: none;
            }

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

            .mobile-toggle {
                display: flex;
            }

            .mobile-overlay {
                display: block;
                pointer-events: none;
            }

            .mobile-overlay.active {
                pointer-events: all;
            }

            .article-banner {
                min-height: 260px;
                padding: 40px 0 28px;
            }

            .article-banner h1 {
                font-size: 1.4rem;
            }

            .article-content {
                font-size: 0.98rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .cta-inner .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }

            .faq-answer {
                padding-right: 20px;
            }

            .section-title {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .article-banner-meta {
                gap: 10px;
                font-size: 0.78rem;
            }

            .article-banner h1 {
                font-size: 1.2rem;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.1rem;
            }

            .btn-cta-lg, .btn-cta-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }

            .logo-link {
                font-size: 1.1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #0f1b2d;
            --color-primary-light: #1a2d4a;
            --color-accent: #c9a96e;
            --color-accent-light: #d9c08a;
            --color-accent-dark: #b8924f;
            --color-highlight: #e85d3a;
            --color-highlight-light: #f07558;
            --color-bg: #f8f6f2;
            --color-bg-alt: #f0ede6;
            --color-bg-dark: #0f1b2d;
            --color-surface: #ffffff;
            --color-surface-hover: #fafaf8;
            --color-text: #1c1c1c;
            --color-text-secondary: #4a4a4a;
            --color-text-muted: #7a7a7a;
            --color-text-light: #9ca3af;
            --color-text-inverse: #f0ede6;
            --color-border: #e0dcd4;
            --color-border-light: #ebe7df;
            --color-border-dark: #c5bfb3;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(15,27,45,0.04);
            --shadow-sm: 0 2px 8px rgba(15,27,45,0.06);
            --shadow-md: 0 4px 16px rgba(15,27,45,0.08);
            --shadow-lg: 0 8px 32px rgba(15,27,45,0.10);
            --shadow-xl: 0 16px 48px rgba(15,27,45,0.12);
            --shadow-card-hover: 0 12px 36px rgba(15,27,45,0.14);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-serif: 'Georgia', 'Noto Serif SC', 'STSong', 'SimSun', serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 960px;
            --nav-height: 70px;
        }

        /* ============ 基础 Reset ============ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }
        body {
            font-family: var(--font-sans);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
        }
        a { text-decoration: none; color: inherit; transition: color var(--transition-fast); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--color-primary); }
        h1 { font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
        h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 0.8rem; }
        p:last-child { margin-bottom: 0; }

        /* ============ 容器 ============ */
        .container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: var(--container-narrow); }

        /* ============ Header & Navigation ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            transition: opacity var(--transition-fast);
        }
        .logo-link:hover { opacity: 0.85; }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .primary-nav { display: flex; align-items: center; gap: 4px; }
        .primary-nav > li { position: relative; }
        .primary-nav > li > a {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            white-space: nowrap;
            cursor: pointer;
        }
        .primary-nav > li > a:hover { color: var(--color-primary); background: var(--color-bg-alt); }
        .primary-nav > li > a.active { color: var(--color-accent-dark); background: rgba(201,169,110,0.1); font-weight: 700; }
        .arrow-icon { font-size: 0.65rem; transition: transform var(--transition-fast); color: var(--color-text-muted); }
        .mega-parent:hover .arrow-icon { transform: rotate(180deg); }

        /* Mega Panel */
        .mega-panel {
            position: absolute;
            top: calc(100% + 8px);
            left: 50%;
            transform: translateX(-50%) translateY(10px);
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 28px;
            padding: 24px 28px;
            min-width: 520px;
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
            transition: all var(--transition-base);
            z-index: 1001;
        }
        .mega-parent:hover .mega-panel {
            opacity: 1;
            visibility: visible;
            pointer-events: auto;
            transform: translateX(-50%) translateY(0);
        }
        .mega-col { flex: 1; min-width: 160px; }
        .mega-col h4 {
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-text-muted);
            margin-bottom: 12px;
            font-weight: 700;
        }
        .mega-links { display: flex; flex-direction: column; gap: 6px; }
        .mega-links a {
            display: block;
            padding: 8px 12px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }
        .mega-links a:hover { background: var(--color-bg-alt); color: var(--color-primary); }
        .mega-card {
            display: flex;
            gap: 10px;
            padding: 10px;
            border-radius: var(--radius-md);
            background: var(--color-bg-alt);
            transition: all var(--transition-fast);
            align-items: center;
        }
        .mega-card:hover { background: var(--color-bg); box-shadow: var(--shadow-sm); }
        .mega-card img { width: 50px; height: 50px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
        .mega-card-info { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); line-height: 1.3; }
        .mega-card-tag { font-size: 0.72rem; color: var(--color-accent-dark); font-weight: 600; margin-top: 2px; }

        /* 汉堡菜单按钮 */
        .hamburger-btn {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            z-index: 1002;
        }
        .hamburger-btn:hover { background: var(--color-bg-alt); }
        .hamburger-btn span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger-btn.active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
        .hamburger-btn.active span:nth-child(2) { opacity: 0; }
        .hamburger-btn.active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }
        .nav-overlay { display: none; position: fixed; inset: 0; background: rgba(15,27,45,0.5); z-index: 998; }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a { color: var(--color-text-secondary); transition: color var(--transition-fast); }
        .breadcrumb a:hover { color: var(--color-accent-dark); }
        .breadcrumb .sep { color: var(--color-border-dark); font-size: 0.7rem; }
        .breadcrumb .current { color: var(--color-primary); font-weight: 600; }

        /* ============ 分类 Hero ============ */
        .category-hero {
            position: relative;
            padding: 80px 0 70px;
            background: var(--color-bg-dark);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .category-hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .category-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,27,45,0.85) 0%, rgba(15,27,45,0.55) 50%, rgba(15,27,45,0.7) 100%);
            z-index: 1;
        }
        .category-hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .category-hero-content .cat-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .category-hero-content h1 {
            color: #ffffff;
            font-size: clamp(2rem, 4vw, 2.8rem);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .category-hero-content .hero-desc {
            color: rgba(255,255,255,0.8);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .category-hero-stats {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cat-stat { text-align: center; }
        .cat-stat-num { font-size: 1.8rem; font-weight: 800; color: var(--color-accent); }
        .cat-stat-label { font-size: 0.8rem; color: rgba(255,255,255,0.6); margin-top: 2px; }

        /* ============ 主体布局 ============ */
        .category-main { padding: 60px 0; }
        .category-layout { display: grid; grid-template-columns: 1fr 300px; gap: 40px; align-items: start; }

        /* 文章网格 */
        .articles-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
        .article-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            cursor: pointer;
            position: relative;
        }
        .article-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-border-dark);
        }
        .article-card-image-wrap { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
        .article-card-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .article-card:hover .article-card-image-wrap img { transform: scale(1.06); }
        .article-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-size: 0.72rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.03em;
            z-index: 2;
        }
        .article-card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 5px 10px;
            background: rgba(15,27,45,0.8);
            color: var(--color-accent);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .article-card-rating i { font-size: 0.6rem; }
        .article-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
        .article-card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            color: var(--color-primary);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }
        .article-card:hover .article-card-body h3 { color: var(--color-accent-dark); }
        .article-card-body .article-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }
        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border-light);
            padding-top: 12px;
        }
        .article-card-meta span { display: flex; align-items: center; gap: 4px; }
        .article-card-meta i { font-size: 0.7rem; }

        /* 侧边栏 */
        .sidebar { display: flex; flex-direction: column; gap: 24px; }
        .sidebar-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
        }
        .sidebar-card h4 {
            font-size: 0.95rem;
            margin-bottom: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-accent);
            display: inline-block;
            color: var(--color-primary);
        }
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
        .tag-cloud a {
            padding: 6px 14px;
            background: var(--color-bg-alt);
            color: var(--color-text-secondary);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .tag-cloud a:hover { background: var(--color-accent); color: var(--color-primary); border-color: var(--color-accent); font-weight: 600; }
        .hot-list { display: flex; flex-direction: column; gap: 12px; }
        .hot-list-item { display: flex; gap: 10px; align-items: flex-start; padding: 8px; border-radius: var(--radius-sm); transition: background var(--transition-fast); }
        .hot-list-item:hover { background: var(--color-bg-alt); }
        .hot-list-rank {
            width: 26px;
            height: 26px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .hot-list-rank.top { background: var(--color-highlight); }
        .hot-list-info { flex: 1; min-width: 0; }
        .hot-list-info .hl-title { font-size: 0.85rem; font-weight: 600; color: var(--color-primary); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .hot-list-info .hl-views { font-size: 0.7rem; color: var(--color-text-light); margin-top: 3px; }

        /* ============ 精选推荐区 ============ */
        .section-featured { padding: 70px 0; background: var(--color-bg-dark); position: relative; overflow: hidden; }
        .section-featured::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }
        .section-featured .container { position: relative; z-index: 1; }
        .section-header { text-align: center; margin-bottom: 44px; }
        .section-header .section-label {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(201,169,110,0.2);
            color: var(--color-accent);
            font-size: 0.78rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.05em;
            margin-bottom: 12px;
        }
        .section-header h2 { color: #ffffff; margin-bottom: 8px; }
        .section-header .section-subtitle { color: rgba(255,255,255,0.6); font-size: 0.95rem; }
        .featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .featured-card {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            backdrop-filter: blur(4px);
        }
        .featured-card:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.2); transform: translateY(-3px); }
        .featured-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
        .featured-card-body { padding: 18px; }
        .featured-card-body h4 { color: #ffffff; font-size: 1rem; margin-bottom: 8px; line-height: 1.4; }
        .featured-card-body p { color: rgba(255,255,255,0.6); font-size: 0.82rem; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .featured-card-body .feat-tag { display: inline-block; padding: 4px 10px; background: var(--color-accent); color: var(--color-primary); font-size: 0.7rem; font-weight: 700; border-radius: var(--radius-full); margin-top: 10px; }

        /* ============ FAQ ============ */
        .section-faq { padding: 70px 0; background: var(--color-bg); }
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover { border-color: var(--color-border-dark); box-shadow: var(--shadow-sm); }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .faq-question:hover { color: var(--color-accent-dark); }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            transition: all var(--transition-base);
            flex-shrink: 0;
            color: var(--color-text-muted);
        }
        .faq-item.open .faq-question .faq-icon { transform: rotate(45deg); background: var(--color-accent); color: var(--color-primary); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 22px 18px; }
        .faq-answer p { font-size: 0.88rem; color: var(--color-text-secondary); line-height: 1.7; }

        /* ============ CTA ============ */
        .section-cta { padding: 70px 0; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); text-align: center; }
        .section-cta h2 { color: #ffffff; margin-bottom: 12px; }
        .section-cta p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 550px; margin: 0 auto 28px; }
        .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            background: var(--color-accent);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
            box-shadow: 0 4px 20px rgba(201,169,110,0.3);
        }
        .btn-cta:hover { background: var(--color-accent-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(201,169,110,0.45); }
        .btn-cta:active { transform: translateY(0); }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255,255,255,0.7);
            padding: 50px 0 24px;
        }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
        .footer-brand h3 { color: #ffffff; font-size: 1.3rem; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.55); }
        .footer-col h4 { color: #ffffff; font-size: 0.9rem; margin-bottom: 14px; font-weight: 700; }
        .footer-col ul { display: flex; flex-direction: column; gap: 8px; }
        .footer-col ul li a { font-size: 0.84rem; color: rgba(255,255,255,0.55); transition: color var(--transition-fast); }
        .footer-col ul li a:hover { color: var(--color-accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255,255,255,0.4);
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .category-layout { grid-template-columns: 1fr; gap: 32px; }
            .sidebar { flex-direction: row; flex-wrap: wrap; }
            .sidebar-card { flex: 1; min-width: 240px; }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --nav-height: 60px; }
            .hamburger-btn { display: flex; }
            .primary-nav {
                position: fixed;
                top: 0;
                right: -300px;
                width: 280px;
                height: 100vh;
                background: var(--color-surface);
                flex-direction: column;
                padding: 80px 20px 30px;
                gap: 4px;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-base);
                z-index: 1001;
                overflow-y: auto;
            }
            .primary-nav.open { right: 0; }
            .nav-overlay.active { display: block; }
            .primary-nav > li > a { padding: 12px 16px; font-size: 1rem; width: 100%; }
            .mega-panel {
                position: static;
                transform: none;
                opacity: 1;
                visibility: visible;
                pointer-events: auto;
                box-shadow: none;
                border: none;
                flex-direction: column;
                min-width: auto;
                padding: 8px 0 8px 16px;
                display: none;
                background: transparent;
                border-left: 2px solid var(--color-border-light);
                margin-left: 8px;
            }
            .mega-parent.open-mobile .mega-panel { display: flex; }
            .articles-grid { grid-template-columns: 1fr; }
            .featured-grid { grid-template-columns: 1fr; }
            .category-hero { padding: 50px 0 44px; min-height: auto; }
            .category-hero-stats { gap: 20px; }
            .cat-stat-num { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .section-featured { padding: 44px 0; }
            .section-faq { padding: 44px 0; }
            .section-cta { padding: 44px 0; }
            .category-main { padding: 36px 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-inner { padding: 0 16px; }
            .category-hero-content h1 { font-size: 1.5rem; }
            .category-hero-content .hero-desc { font-size: 0.9rem; }
            .category-hero-stats { gap: 14px; }
            .cat-stat-num { font-size: 1.2rem; }
            .cat-stat-label { font-size: 0.7rem; }
            .article-card-body h3 { font-size: 0.98rem; }
            .section-header h2 { font-size: 1.3rem; }
            .btn-cta { padding: 12px 28px; font-size: 0.9rem; }
            .sidebar { flex-direction: column; }
            .sidebar-card { min-width: auto; }
        }