/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --bg: #080713;
            --panel: #12101F;
            --panel-float: rgba(255, 255, 255, 0.04);
            --brand-primary: #7C5CFF;
            --brand-secondary: #FF4FD8;
            --brand-blue: #1B2A6B;
            --accent: #00E5FF;
            --title-color: #F2EFFF;
            --body-color: #B8B1D4;
            --muted-color: #6F6894;
            --line-color: #2A2640;
            --line-hover: rgba(0, 229, 255, 0.5);
            --glow-purple: 0 0 24px rgba(124, 92, 255, 0.35);
            --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.28);
            --radius-lg: 28px;
            --radius-md: 20px;
            --radius-sm: 16px;
            --font-stack: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --space-section: 96px;
            --space-section-mobile: 56px;
            --header-h: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-stack);
            background-color: var(--bg);
            color: var(--body-color);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            background-image: 
                radial-gradient(circle at 15% 10%, rgba(124, 92, 255, 0.12) 0%, transparent 35%),
                radial-gradient(circle at 85% 20%, rgba(0, 229, 255, 0.06) 0%, transparent 40%),
                radial-gradient(circle at 50% 90%, rgba(255, 79, 216, 0.06) 0%, transparent 40%);
            background-attachment: fixed;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section {
            padding: var(--space-section) 0;
        }
        .section-muted {
            background: rgba(18, 16, 31, 0.4);
            border-block: 1px solid rgba(42, 38, 64, 0.5);
        }
        .text-gradient {
            background: linear-gradient(120deg, var(--brand-primary) 0%, var(--brand-secondary) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            color: var(--title-color);
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--muted-color);
            max-width: 560px;
            margin-bottom: 2.5rem;
        }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 3rem;
        }
        .section-head .section-title {
            margin-bottom: 0.5rem;
        }

        /* ===== 焦点可见 ===== */
        a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }

        /* ===== 顶部导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-h);
            background-color: #0B0817;
            z-index: 1000;
            border-bottom: 1px solid transparent;
            background-image: linear-gradient(90deg, var(--brand-primary), var(--accent));
            background-size: 100% 1px;
            background-repeat: no-repeat;
            background-position: bottom;
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            background-color: #0B0817;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--title-color);
            letter-spacing: 0.01em;
        }
        .brand-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            border-radius: 50%;
            background: radial-gradient(circle at 30% 30%, rgba(124, 92, 255, 0.8), rgba(255, 79, 216, 0.4));
            box-shadow: 0 0 16px rgba(124, 92, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .brand-icon::before {
            content: "";
            position: absolute;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
        }
        .brand-text {
            font-size: 1.1rem;
            white-space: nowrap;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            margin: 0;
            padding: 0;
            list-style: none;
        }
        .nav-menu a {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--muted-color);
            padding: 8px 0;
            letter-spacing: 0.02em;
            transition: color 0.25s, text-shadow 0.25s;
        }
        .nav-menu a::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0.5);
            transition: opacity 0.25s, transform 0.25s;
        }
        .nav-menu a:hover {
            color: var(--title-color);
        }
        .nav-menu a:hover::after {
            opacity: 1;
            transform: scaleX(1);
        }
        .nav-menu a.active {
            color: var(--title-color);
            text-shadow: 0 0 12px rgba(0, 229, 255, 0.6);
        }
        .nav-menu a.active::after {
            opacity: 1;
            transform: scaleX(1);
            background: var(--accent);
            box-shadow: 0 0 8px rgba(0, 229, 255, 0.5);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff !important;
            border-radius: 999px;
            padding: 10px 24px !important;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 20px rgba(124, 92, 255, 0.3);
            transition: filter 0.25s, box-shadow 0.25s;
            white-space: nowrap;
        }
        .nav-cta:hover {
            filter: brightness(1.15);
            box-shadow: 0 0 24px rgba(124, 92, 255, 0.45);
            color: #fff !important;
        }
        .nav-cta::after {
            display: none;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--title-color);
            cursor: pointer;
            padding: 6px;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-h);
            left: 0;
            right: 0;
            background: #0B0817;
            padding: 24px;
            flex-direction: column;
            gap: 20px;
            border-bottom: 1px solid var(--line-color);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
            z-index: 999;
        }
        .mobile-menu a {
            font-size: 1.05rem;
            color: var(--body-color);
            padding: 8px 12px;
            border-radius: 10px;
        }
        .mobile-menu a.active {
            color: var(--accent);
            background: rgba(0, 229, 255, 0.06);
            box-shadow: inset 3px 0 0 var(--accent);
        }
        .mobile-menu a.cta {
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff;
            text-align: center;
            border-radius: 999px;
        }
        @media (max-width: 768px) {
            .nav-menu, .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: block;
            }
            .mobile-menu.open {
                display: flex;
            }
        }

        /* ===== 倒计时条 ===== */
        .countdown-bar {
            margin-top: var(--header-h);
            background: rgba(18, 16, 31, 0.85);
            border-bottom: 1px solid var(--line-color);
            border-top: 1px solid var(--line-color);
            padding: 16px 0;
            position: relative;
        }
        .countdown-bar::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 10% 50%, rgba(0, 229, 255, 0.08) 0%, transparent 50%);
        }
        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            position: relative;
            z-index: 1;
        }
        .countdown-label {
            font-size: 0.875rem;
            color: var(--muted-color);
            margin-right: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .countdown-label i {
            color: var(--accent);
        }
        .countdown-unit {
            display: flex;
            align-items: baseline;
            gap: 4px;
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid var(--line-color);
            border-radius: 12px;
            padding: 8px 16px;
        }
        .countdown-num {
            font-size: 1.6rem;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--accent);
            text-shadow: var(--glow-cyan);
            line-height: 1;
        }
        .countdown-tag {
            font-size: 0.75rem;
            color: var(--muted-color);
        }
        @media (max-width: 640px) {
            .countdown-unit {
                padding: 6px 10px;
            }
            .countdown-num {
                font-size: 1.2rem;
            }
            .countdown-label {
                width: 100%;
                justify-content: center;
                margin-right: 0;
                margin-bottom: 4px;
            }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative;
            padding: 48px 0 64px;
        }
        .hero-card {
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            background-image: linear-gradient(180deg, rgba(8, 7, 19, 0.7) 0%, rgba(8, 7, 19, 0.85) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            border: 1px solid var(--line-color);
            position: relative;
            overflow: hidden;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.4);
        }
        .hero-card::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(124, 92, 255, 0.2), transparent 70%);
            top: -100px;
            right: -80px;
            pointer-events: none;
        }
        .hero-content {
            max-width: 700px;
            position: relative;
            z-index: 2;
        }
        .hero h1 {
            font-size: clamp(2.6rem, 5vw, 4.2rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 1rem;
            color: var(--title-color);
            letter-spacing: -0.02em;
        }
        .hero h1 .text-gradient {
            display: block;
        }
        .hero-sub {
            font-size: 1.05rem;
            color: var(--body-color);
            max-width: 560px;
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        .hero-meta-desc {
            font-size: 0.95rem;
            color: rgba(184, 177, 212, 0.8);
            max-width: 540px;
            margin-bottom: 2.5rem;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 2.5rem;
        }
        .btn-primary {
            display: inline-block;
            background: linear-gradient(135deg, var(--brand-primary), var(--brand-secondary));
            color: #fff;
            border-radius: 999px;
            padding: 14px 32px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: filter 0.25s, box-shadow 0.25s, transform 0.15s;
            box-shadow: 0 4px 20px rgba(124, 92, 255, 0.3);
            text-align: center;
        }
        .btn-primary:hover {
            filter: brightness(1.15);
            box-shadow: 0 0 30px rgba(124, 92, 255, 0.5);
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            display: inline-block;
            background: transparent;
            color: #E6E0FF;
            border: 1px solid #3A3458;
            border-radius: 999px;
            padding: 14px 32px;
            font-weight: 500;
            font-size: 0.95rem;
            cursor: pointer;
            transition: border-color 0.25s, color 0.25s, box-shadow 0.25s;
            text-align: center;
        }
        .btn-secondary:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 1rem;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
            gap: 16px;
            max-width: 640px;
            margin-top: 32px;
        }
        .stat-card {
            background: var(--panel);
            border: 1px solid var(--line-color);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            text-align: left;
            transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
        }
        .stat-card:hover {
            border-color: rgba(124, 92, 255, 0.6);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
        }
        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent);
            text-shadow: var(--glow-cyan);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            display: block;
            margin-bottom: 4px;
        }
        .stat-label {
            font-size: 0.75rem;
            color: var(--muted-color);
            text-transform: uppercase;
            letter-spacing: 0.08em;
        }
        @media (max-width: 768px) {
            .hero-card {
                padding: 36px 20px;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .hero-btns .btn {
                width: 100%;
            }
        }

        /* ===== 亮点图墙 ===== */
        .gallery-section {
            padding-bottom: var(--space-section);
        }
        .gallery-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .gallery-card {
            background: var(--panel);
            border: 1px solid var(--line-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
        }
        .gallery-card:hover {
            transform: translateY(-6px);
            border-color: rgba(124, 92, 255, 0.6);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }
        .gallery-card:nth-child(even) {
            transform: translateY(24px);
        }
        .gallery-card:nth-child(even):hover {
            transform: translateY(18px);
        }
        .gallery-img-wrap {
            aspect-ratio: 3 / 2;
            overflow: hidden;
            position: relative;
        }
        .gallery-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .gallery-card:hover .gallery-img-wrap img {
            transform: scale(1.05);
        }
        .gallery-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(8, 7, 19, 0.6));
        }
        .gallery-body {
            padding: 20px 24px 24px;
        }
        .gallery-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--accent);
            background: rgba(0, 229, 255, 0.08);
            border-radius: 999px;
            padding: 4px 12px;
            margin-bottom: 10px;
            border: 1px solid rgba(0, 229, 255, 0.2);
        }
        .gallery-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--title-color);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .gallery-card p {
            font-size: 0.9rem;
            color: var(--muted-color);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 680px) {
            .gallery-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .gallery-card:nth-child(even) {
                transform: translateY(0);
            }
            .gallery-card:nth-child(even):hover {
                transform: translateY(-6px);
            }
        }

        /* ===== 报名 CTA / 表单 ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 100%;
            height: 100%;
            background: radial-gradient(ellipse at center, rgba(124, 92, 255, 0.15) 0%, transparent 70%);
            top: 0;
            left: 0;
            pointer-events: none;
        }
        .cta-card {
            position: relative;
            z-index: 2;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line-color);
            background: var(--panel);
            padding: 48px;
            text-align: center;
            max-width: 860px;
            margin: 0 auto;
        }
        .cta-card h2 {
            font-size: clamp(1.8rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--title-color);
        }
        .cta-card h2 i {
            color: var(--accent);
            margin-right: 8px;
        }
        .cta-desc {
            color: var(--body-color);
            font-size: 1rem;
            margin-bottom: 32px;
        }
        .cta-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            text-align: left;
        }
        .cta-row {
            grid-column: span 1;
        }
        .cta-row-full {
            grid-column: span 2;
        }
        .cta-form label {
            display: block;
            font-size: 0.875rem;
            color: #AEA7C8;
            margin-bottom: 6px;
        }
        .cta-form label .required {
            color: var(--accent);
            margin-left: 2px;
        }
        .cta-form input {
            width: 100%;
            background: #0E0C1A;
            border: 1px solid var(--line-color);
            border-radius: 12px;
            padding: 12px 16px;
            color: var(--title-color);
            font-size: 0.95rem;
            transition: border-color 0.25s, box-shadow 0.25s;
        }
        .cta-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
        }
        .cta-form input::placeholder {
            color: #4A4568;
        }
        .cta-submit {
            grid-column: span 2;
            margin-top: 12px;
            min-width: 220px;
        }
        .cta-note {
            font-size: 0.8rem;
            color: var(--muted-color);
            margin-top: 20px;
            text-align: center;
        }
        .cta-success {
            display: none;
            margin-top: 24px;
            padding: 20px;
            border: 1px solid var(--accent);
            border-radius: var(--radius-sm);
            color: var(--accent);
            background: rgba(0, 229, 255, 0.06);
        }
        @media (max-width: 768px) {
            .cta-card {
                padding: 32px 20px;
            }
            .cta-form {
                grid-template-columns: 1fr;
            }
            .cta-row-full {
                grid-column: span 1;
            }
            .cta-submit {
                grid-column: span 1;
            }
        }

        /* ===== FAQ 手风琴 ===== */
        .faq-section {
            padding: var(--space-section) 0;
        }
        .accordion-custom {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .accordion-item {
            background: var(--panel);
            border: 1px solid var(--line-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: border-color 0.25s;
        }
        .accordion-item[aria-expanded="true"] {
            border-color: rgba(124, 92, 255, 0.5);
        }
        .accordion-title {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--title-color);
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 16px;
            border-left: 3px solid transparent;
            transition: border-color 0.25s, color 0.25s;
        }
        .accordion-title:hover {
            color: #fff;
        }
        .accordion-item[aria-expanded="true"] .accordion-title {
            border-left: 3px solid var(--brand-primary);
        }
        .accordion-icon {
            margin-left: auto;
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(124, 92, 255, 0.15);
            color: var(--brand-primary);
            transition: transform 0.3s, background 0.3s;
        }
        .accordion-icon i {
            transition: transform 0.3s;
        }
        .accordion-item[aria-expanded="true"] .accordion-icon i {
            transform: rotate(135deg);
        }
        .accordion-content {
            padding: 0 24px 0 27px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        .accordion-item[aria-expanded="true"] .accordion-content {
            padding-bottom: 24px;
            max-height: 400px;
        }
        .accordion-content p {
            font-size: 0.95rem;
            color: var(--body-color);
            line-height: 1.75;
        }

        /* ===== 最新信息列表 ===== */
        .news-section {
            padding: var(--space-section) 0;
            background: rgba(18, 16, 31, 0.3);
            border-top: 1px solid rgba(42, 38, 64, 0.4);
        }
        .news-list {
            max-width: 960px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--panel);
            border: 1px solid var(--line-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: transform 0.25s, border-color 0.25s, box-shadow 0.25s;
        }
        .news-item:hover {
            transform: translateY(-3px);
            border-color: rgba(124, 92, 255, 0.5);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
        }
        .news-cat {
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            color: var(--accent);
            font-size: 0.75rem;
            border-radius: 999px;
            padding: 4px 14px;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--title-color);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-excerpt {
            font-size: 0.875rem;
            color: var(--muted-color);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            font-size: 0.875rem;
            color: var(--muted-color);
        }
        .news-meta i {
            font-size: 0.75rem;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            background: var(--panel);
            border: 1px dashed var(--line-color);
            border-radius: var(--radius-md);
            max-width: 960px;
            margin: 0 auto;
        }
        .news-empty i {
            font-size: 2rem;
            color: var(--muted-color);
            margin-bottom: 12px;
            display: block;
        }
        .news-empty p {
            font-size: 0.95rem;
            color: var(--muted-color);
        }
        .news-footer {
            text-align: center;
            margin-top: 36px;
        }
        @media (max-width: 768px) {
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 20px;
            }
            .news-title, .news-excerpt {
                white-space: normal;
                word-break: break-all;
            }
            .news-meta {
                align-self: flex-end;
            }
            .news-content {
                width: 100%;
            }
        }

        /* ===== 分类页专属区块 ===== */
        .category-hero {
            padding: calc(var(--header-h) + 48px) 0 48px;
        }
        .category-hero-inner {
            border-radius: var(--radius-lg);
            padding: 48px;
            background-image: linear-gradient(180deg, rgba(8, 7, 19, 0.7) 0%, rgba(8, 7, 19, 0.9) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            border: 1px solid var(--line-color);
        }
        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--title-color);
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .category-hero p {
            font-size: 1.05rem;
            color: var(--body-color);
            max-width: 680px;
            line-height: 1.7;
        }
        .half-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 56px;
        }
        .half-block:last-child {
            margin-bottom: 0;
        }
        .half-block.reverse .half-img {
            order: 2;
        }
        .half-block.reverse .half-body {
            order: 1;
        }
        .half-img {
            border-radius: var(--radius-md);
            overflow: hidden;
            position: relative;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
        }
        .half-img img {
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
        }
        .half-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(124, 92, 255, 0.08), transparent 60%);
            pointer-events: none;
        }
        .half-body {
            padding: 10px 0;
        }
        .half-body h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 16px;
            line-height: 1.4;
        }
        .half-body p {
            font-size: 0.95rem;
            color: var(--body-color);
            line-height: 1.75;
            margin-bottom: 16px;
        }
        .half-tag {
            display: inline-block;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.2);
            border-radius: 999px;
            padding: 4px 14px;
            font-size: 0.75rem;
            color: var(--accent);
            margin-bottom: 12px;
        }
        .half-stat {
            display: inline-block;
            background: var(--panel);
            border-radius: var(--radius-sm);
            padding: 12px 24px;
            margin-top: 12px;
            border: 1px solid var(--line-color);
        }
        .half-stat .stat-num {
            font-size: 1.6rem;
        }
        @media (max-width: 1024px) {
            .half-block {
                gap: 32px;
            }
        }
        @media (max-width: 768px) {
            .half-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .half-block.reverse .half-img {
                order: 1;
            }
            .half-block.reverse .half-body {
                order: 2;
            }
            .category-hero-inner {
                padding: 32px 20px;
            }
        }

        /* ===== 面包屑（文章/分类页） ===== */
        .breadcrumb {
            font-size: 0.875rem;
            color: var(--muted-color);
            margin-bottom: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .breadcrumb a {
            color: var(--muted-color);
        }
        .breadcrumb a:hover {
            color: var(--accent);
        }
        .breadcrumb .sep {
            margin: 0 4px;
            color: #4A4568;
        }

        /* ===== 文章页 ===== */
        .article-main {
            padding: calc(var(--header-h) + 48px) 0 0;
        }
        .article-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .article-head {
            margin-bottom: 32px;
        }
        .article-head h1 {
            font-size: clamp(1.8rem, 3.4vw, 2.6rem);
            font-weight: 800;
            color: var(--title-color);
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--muted-color);
            align-items: center;
        }
        .article-meta .divider {
            color: #4A4568;
        }
        .article-cover {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
        }
        .article-cover img {
            width: 100%;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }
        .article-body {
            font-size: 1rem;
            line-height: 1.85;
            color: var(--body-color);
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--title-color);
            margin: 32px 0 16px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--title-color);
            margin: 24px 0 12px;
            line-height: 1.4;
        }
        .article-body blockquote {
            border-left: 3px solid var(--brand-primary);
            background: rgba(124, 92, 255, 0.05);
            padding: 16px 24px;
            border-radius: 0 12px 12px 0;
            color: var(--body-color);
            font-style: italic;
            margin: 24px 0;
        }
        .article-body figure {
            margin: 24px 0;
        }
        .article-body figure img {
            border-radius: var(--radius-sm);
        }
        .article-body figcaption {
            font-size: 0.875rem;
            color: var(--muted-color);
            text-align: center;
            margin-top: 8px;
        }
        .article-body ul, .article-body ol {
            margin-bottom: 20px;
            padding-left: 1.5rem;
        }
        .article-body li {
            margin-bottom: 8px;
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 40px 0;
            padding: 16px 0;
            border-top: 1px solid var(--line-color);
            border-bottom: 1px solid var(--line-color);
        }
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--panel);
            border: 1px solid var(--line-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--muted-color);
            font-size: 0.9rem;
            transition: border-color 0.25s, color 0.25s;
        }
        .share-btn:hover {
            border-color: var(--accent);
            color: var(--accent);
        }
        .article-related {
            padding: 48px 0 96px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .related-card {
            background: var(--panel);
            border: 1px solid var(--line-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: transform 0.25s, border-color 0.25s;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(124, 92, 255, 0.5);
        }
        .related-card img {
            aspect-ratio: 3 / 2;
            object-fit: cover;
            width: 100%;
        }
        .related-body {
            padding: 16px 20px;
        }
        .related-body h3 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--title-color);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-body span {
            font-size: 0.8rem;
            color: var(--muted-color);
        }
        @media (max-width: 768px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0B0817;
            padding-top: 56px;
            border-top: 1px solid transparent;
            background-image: linear-gradient(90deg, var(--brand-primary), var(--accent));
            background-size: 100% 1px;
            background-repeat: no-repeat;
            background-position: top;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            background-color: #0B0817;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .footer-brand {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--title-color);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            font-size: 0.875rem;
            color: var(--muted-color);
            max-width: 360px;
        }
        .footer-title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--title-color);
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.875rem;
            color: var(--muted-color);
            transition: color 0.25s;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-links a i {
            margin-right: 6px;
            font-size: 0.7rem;
        }
        .footer-contact {
            font-size: 0.875rem;
            color: var(--muted-color);
            line-height: 2;
        }
        .footer-contact i {
            width: 24px;
            color: var(--brand-primary);
        }
        .footer-bottom {
            border-top: 1px solid rgba(42, 38, 64, 0.6);
            padding: 24px 0;
            background-color: #080713;
        }
        .footer-bottom-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            font-size: 0.75rem;
            color: var(--muted-color);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        @media (max-width: 900px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 480px) {
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 板块公共 ===== */
        .block-divider {
            border: none;
            height: 1px;
            background: var(--line-color);
            max-width: 1200px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }
        @media (min-width: 1024px) {
            .gallery-card:nth-child(2n) {
                transform: translateY(28px);
            }
        }

/* roulang page: article */
:root {
            --bg: #080713;
            --bg-soft: #12101F;
            --bg-overlay: rgba(255,255,255,0.04);
            --brand-purple: #7C5CFF;
            --brand-pink: #FF4FD8;
            --brand-cyan: #00E5FF;
            --brand-blue: #1B2A6B;
            --text-title: #F2EFFF;
            --text-body: #B8B1D4;
            --text-muted: #6F6894;
            --border: #2A2640;
            --border-hover: rgba(0,229,255,0.5);
            --glow-purple: 0 0 24px rgba(124,92,255,.35);
            --glow-cyan: 0 0 20px rgba(0,229,255,.28);
            --radius-large: 28px;
            --radius-card: 20px;
            --radius-badge: 16px;
            --radius-btn: 999px;
            --transition: 0.25s ease;
            --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --container: 1200px;
            --space-section: 96px;
            --space-section-mobile: 56px;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg);
            color: var(--text-body);
            font-family: var(--font-main);
            line-height: 1.75;
            font-size: 1rem;
            -webkit-font-smoothing: antialiased;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        body.is-locked {
            overflow: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 96px 0;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.25;
            margin-bottom: 1rem;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 68ch;
            margin-bottom: 2rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: 0.9375rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            line-height: 1.2;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, #7C5CFF, #FF4FD8);
            color: #fff;
            box-shadow: 0 4px 20px rgba(124,92,255,.3);
        }
        .btn-primary:hover {
            filter: brightness(1.15);
            box-shadow: 0 0 24px rgba(124,92,255,.45);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(1px);
        }
        .btn-secondary {
            background: transparent;
            border: 1px solid #3A3458;
            color: #E6E0FF;
        }
        .btn-secondary:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            box-shadow: 0 0 12px rgba(0,229,255,.15);
        }
        .btn-secondary:active {
            transform: translateY(1px);
        }
        .btn:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 4px;
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.875rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #0B0817;
            border-bottom: 1px solid transparent;
            background-image: linear-gradient(#0B0817, #0B0817), linear-gradient(90deg, #7C5CFF, #00E5FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .brand a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-title);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .brand-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: conic-gradient(from 180deg, #7C5CFF, #FF4FD8, #00E5FF, #7C5CFF);
            box-shadow: var(--glow-purple);
            position: relative;
            flex-shrink: 0;
        }
        .brand-icon::after {
            content: '';
            position: absolute;
            inset: 6px;
            border-radius: 50%;
            background: #0B0817;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 10px;
            list-style: none;
        }
        .nav-menu a {
            display: inline-block;
            padding: 8px 14px;
            color: var(--text-body);
            border-radius: 999px;
            font-size: 0.9375rem;
            font-weight: 500;
            position: relative;
            transition: color var(--transition), text-shadow var(--transition);
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--brand-cyan);
            box-shadow: var(--glow-cyan);
            transition: width var(--transition);
        }
        .nav-menu a:hover {
            color: var(--text-title);
        }
        .nav-menu a:hover::after {
            width: 55%;
        }
        .nav-menu a.active {
            color: var(--text-title);
            text-shadow: 0 0 12px rgba(0,229,255,.6);
        }
        .nav-menu a.active::after {
            width: 55%;
        }
        .nav-cta {
            padding: 10px 24px;
            font-size: 0.875rem;
            flex-shrink: 0;
        }
        .nav-drawer {
            display: none;
            position: relative;
        }
        .nav-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: var(--bg-soft);
            color: var(--text-body);
            cursor: pointer;
            font-size: 1.125rem;
            list-style: none;
            transition: border-color var(--transition), color var(--transition);
        }
        .nav-toggle:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
        }
        .nav-toggle::-webkit-details-marker {
            display: none;
        }
        .nav-drawer-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 240px;
            background: #0E0C1A;
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 12px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            box-shadow: 0 16px 40px rgba(0,0,0,.5);
            z-index: 999;
        }
        .nav-drawer-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            color: var(--text-body);
            font-size: 0.9375rem;
            transition: background var(--transition), color var(--transition);
        }
        .nav-drawer-panel a:hover {
            background: rgba(124,92,255,.12);
            color: var(--text-title);
        }
        .nav-drawer-panel a.active {
            color: var(--brand-cyan);
            border-left: 3px solid var(--brand-cyan);
            background: rgba(0,229,255,.06);
        }

        .article-main {
            flex: 1;
            padding: 48px 0 80px;
        }
        .article-container {
            max-width: 860px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 28px;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--brand-cyan);
        }
        .breadcrumb .current {
            color: var(--text-body);
            max-width: 260px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .breadcrumb-sep {
            color: #3A3458;
        }

        .article-header {
            margin-bottom: 36px;
        }
        .article-header h1 {
            font-size: clamp(1.8rem, 3.6vw, 2.8rem);
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-title);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        .article-meta i {
            margin-right: 6px;
            color: var(--brand-purple);
        }
        .meta-dot {
            color: #3A3458;
        }

        .article-body {
            color: var(--text-body);
            font-size: 1rem;
            line-height: 1.75;
            margin-bottom: 40px;
        }
        .article-body > * + * {
            margin-top: 1.25rem;
        }
        .article-body p {
            max-width: 68ch;
        }
        .article-body h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-title);
            margin-top: 2.2rem;
            margin-bottom: 0.8rem;
            line-height: 1.3;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-title);
            margin-top: 1.6rem;
            margin-bottom: 0.6rem;
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-title);
            margin-top: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .article-body a {
            color: var(--brand-cyan);
            border-bottom: 1px solid rgba(0,229,255,.3);
        }
        .article-body a:hover {
            color: var(--text-title);
            border-bottom-color: var(--brand-cyan);
        }
        .article-body blockquote {
            border-left: 3px solid transparent;
            border-image: linear-gradient(180deg, #7C5CFF, #FF4FD8) 1;
            background: rgba(124,92,255,.06);
            border-radius: 0 16px 16px 0;
            padding: 20px 24px;
            margin: 1.5rem 0;
            color: var(--text-body);
            font-style: normal;
        }
        .article-body blockquote p {
            margin: 0;
        }
        .article-body img {
            border-radius: 16px;
            margin: 1.5rem 0;
        }
        .article-body figure {
            margin: 1.5rem 0;
        }
        .article-body figure img {
            border-radius: 16px;
            margin: 0 0 10px 0;
        }
        .article-body figure figcaption {
            font-size: 0.8125rem;
            color: var(--text-muted);
            text-align: center;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 1.25rem;
            margin: 1rem 0;
        }
        .article-body ul {
            list-style: disc;
        }
        .article-body ol {
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 0.5rem;
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            font-size: 0.9375rem;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body th {
            background: var(--bg-soft);
            color: var(--text-title);
            font-weight: 600;
        }
        .article-body tr:nth-child(even) td {
            background: rgba(255,255,255,0.02);
        }
        .article-body code {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 2px 8px;
            font-size: 0.875em;
            color: var(--brand-cyan);
        }
        .article-body pre {
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            margin: 1.5rem 0;
        }
        .article-body pre code {
            background: none;
            border: none;
            padding: 0;
            color: var(--text-body);
        }
        .article-body hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2rem 0;
        }
        .article-body .table-wrap {
            overflow-x: auto;
        }

        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-large);
        }
        .article-empty i {
            font-size: 3rem;
            color: var(--brand-purple);
            margin-bottom: 16px;
            display: block;
        }
        .article-empty p {
            font-size: 1.1rem;
            color: var(--text-title);
            margin-bottom: 24px;
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 24px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
        }
        .share-label {
            font-size: 0.875rem;
            color: var(--text-muted);
        }
        .share-icons {
            display: flex;
            gap: 10px;
        }
        .share-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 1px solid var(--border);
            color: var(--text-body);
            font-size: 0.9375rem;
            transition: all var(--transition);
        }
        .share-icons a:hover {
            border-color: var(--brand-cyan);
            color: var(--brand-cyan);
            box-shadow: var(--glow-cyan);
            transform: translateY(-2px);
        }
        .share-icons a:focus-visible {
            outline: 2px solid var(--brand-cyan);
            outline-offset: 4px;
        }

        .article-actions {
            display: flex;
            justify-content: flex-start;
            margin: 28px 0 48px;
        }

        .related-posts {
            margin-top: 40px;
        }
        .section-head {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 28px;
        }
        .section-head h2 {
            font-size: clamp(1.4rem, 2vw, 1.8rem);
            font-weight: 700;
            color: var(--text-title);
            white-space: nowrap;
        }
        .section-line {
            flex: 1;
            height: 1px;
            background: linear-gradient(90deg, rgba(124,92,255,.5), transparent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            display: block;
            background: var(--bg-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: rgba(124,92,255,.6);
            box-shadow: var(--glow-purple);
        }
        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover img {
            transform: scale(1.05);
        }
        .related-info {
            padding: 18px 20px 20px;
        }
        .related-info h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-info h3:hover {
            color: var(--brand-cyan);
        }
        .related-date {
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .related-date i {
            font-size: 0.75rem;
            color: var(--brand-purple);
        }

        .site-footer {
            border-top: 1px solid transparent;
            background-image: linear-gradient(#0B0817, #0B0817), linear-gradient(90deg, #7C5CFF, #00E5FF);
            background-origin: border-box;
            background-clip: padding-box, border-box;
            padding: 56px 0 0;
            margin-top: auto;
        }
        .footer-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px 32px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 12px;
        }
        .footer-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            max-width: 30ch;
            line-height: 1.6;
        }
        .footer-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-body);
        }
        .footer-links a i {
            font-size: 0.7rem;
            color: var(--brand-purple);
        }
        .footer-links a:hover {
            color: var(--brand-cyan);
        }
        .footer-contact p {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-body);
            margin-bottom: 10px;
        }
        .footer-contact i {
            color: var(--brand-purple);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
        }
        .footer-bottom-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .footer-bottom-inner span:last-child {
            letter-spacing: 0.05em;
        }

        .skip-link {
            position: absolute;
            left: -9999px;
            top: 0;
            background: var(--brand-purple);
            color: #fff;
            padding: 8px 16px;
            border-radius: 0 0 8px 0;
            z-index: 2000;
        }
        .skip-link:focus {
            left: 0;
        }

        @media (min-width: 1024px) {
            .nav-drawer {
                display: none !important;
            }
        }

        @media (max-width: 1023px) {
            .nav-menu {
                display: none;
            }
            .nav-cta {
                display: none;
            }
            .nav-drawer {
                display: block;
            }
        }

        @media (max-width: 767px) {
            body {
                font-size: 0.9375rem;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: var(--space-section-mobile) 0;
            }
            .header-inner {
                height: 64px;
            }
            .brand a {
                font-size: 1rem;
            }
            .brand-icon {
                width: 24px;
                height: 24px;
            }
            .article-main {
                padding: 28px 0 60px;
            }
            .article-container {
                padding: 0 16px;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                font-size: 0.8125rem;
                gap: 6px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-card img {
                height: 180px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 0 16px 24px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                gap: 8px;
                padding: 16px;
            }
            .breadcrumb .current {
                max-width: 160px;
            }
            .article-body blockquote {
                padding: 16px 20px;
            }
            .article-share {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .nav-drawer-panel {
                right: -16px;
                width: calc(100vw - 32px);
            }
        }

        @media (max-width: 520px) {
            .related-card img {
                height: 160px;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-line {
                width: 100%;
            }
        }

/* roulang page: category1 */
:root {
            --bg: #080713;
            --bg-panel: #12101F;
            --bg-nav: #0B0817;
            --bg-input: #0E0C1A;
            --brand-primary: #7C5CFF;
            --brand-accent: #FF4FD8;
            --brand-blue: #1B2A6B;
            --accent-cyan: #00E5FF;
            --text-title: #F2EFFF;
            --text-body: #B8B1D4;
            --text-muted: #6F6894;
            --border: #2A2640;
            --border-hover: rgba(0,229,255,.5);
            --shadow-purple: 0 0 24px rgba(124,92,255,.35);
            --shadow-cyan: 0 0 20px rgba(0,229,255,.28);
            --radius-lg: 28px;
            --radius-md: 20px;
            --radius-sm: 16px;
            --radius-btn: 999px;
            --font-main: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, sans-serif;
            --container-width: 1200px;
            --space-section: 96px;
            --space-section-mobile: 56px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            background: var(--bg);
            color: var(--text-body);
            font-family: var(--font-main);
            font-size: 1rem;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 .6em;
            color: var(--text-title);
            line-height: 1.25;
            font-weight: 700;
        }

        p {
            margin: 0 0 1.2em;
        }

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color .25s ease;
        }

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

        ul,
        ol {
            margin: 0;
            padding: 0;
        }

        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .gradient-text {
            background: linear-gradient(120deg, var(--brand-primary), var(--brand-accent));
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            color: transparent;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: var(--radius-btn);
            font-size: .95rem;
            font-weight: 600;
            font-family: var(--font-main);
            line-height: 1.2;
            cursor: pointer;
            border: 1px solid transparent;
            transition: all .25s ease;
            text-align: center;
        }

        .btn svg,
        .btn i {
            font-size: .9em;
        }

        .btn-primary {
            background: linear-gradient(120deg, var(--brand-primary), var(--brand-accent));
            color: #fff;
            border-color: transparent;
            text-decoration: none;
        }

        .btn-primary:hover {
            filter: brightness(1.15);
            box-shadow: var(--shadow-purple);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(1px);
            filter: brightness(.95);
            box-shadow: none;
        }

        .btn-secondary {
            background: transparent;
            color: #E6E0FF;
            border: 1px solid #3A3458;
            text-decoration: none;
        }

        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 12px rgba(0,229,255,.15);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn-lg {
            padding: 16px 40px;
            font-size: 1rem;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        [tabindex]:focus-visible {
            outline: 2px solid var(--accent-cyan);
            outline-offset: 4px;
            border-radius: 4px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-nav);
            border-bottom: 1px solid rgba(42,38,64,.8);
            box-shadow: 0 4px 24px rgba(0,0,0,.35);
        }

        .site-header::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--brand-primary), var(--accent-cyan));
            opacity: .55;
            pointer-events: none;
        }

        .header-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.12rem;
            color: var(--text-title);
            white-space: nowrap;
            text-decoration: none;
            font-family: var(--font-main);
        }

        .brand:hover {
            color: var(--text-title);
        }

        .brand-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 35%, #fff, var(--brand-primary) 45%, var(--brand-accent) 80%);
            box-shadow: 0 0 16px rgba(124,92,255,.5);
            display: inline-block;
            position: relative;
            flex: none;
        }

        .brand-icon::after {
            content: '';
            position: absolute;
            top: -3px;
            right: -2px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px var(--accent-cyan);
        }

        .site-nav .nav-menu {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
        }

        .nav-menu a {
            position: relative;
            display: block;
            padding: 8px 16px;
            color: var(--text-body);
            font-weight: 500;
            font-size: .95rem;
            border-radius: 10px;
            text-decoration: none;
            transition: color .25s ease, text-shadow .25s ease, background .25s ease;
        }

        .nav-menu a:hover {
            color: var(--text-title);
            background: rgba(255,255,255,.04);
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--accent-cyan);
            box-shadow: 0 0 8px rgba(0,229,255,.6);
            opacity: 0;
            transform: scaleX(.3);
            transition: opacity .25s ease, transform .25s ease;
        }

        .nav-menu a:hover::after {
            opacity: .6;
            transform: scaleX(.7);
        }

        .nav-menu a.active {
            color: var(--text-title);
            text-shadow: 0 0 12px rgba(0,229,255,.6);
        }

        .nav-menu a.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .header-cta {
            flex: none;
            font-size: .88rem;
            padding: 10px 22px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 8px 11px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 100%;
            background: var(--text-title);
            border-radius: 2px;
            transition: transform .3s ease, opacity .3s ease;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .page-hero {
            padding: 48px 0 32px;
        }

        .hero-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(80deg, rgba(8,7,19,.94) 0%, rgba(8,7,19,.78) 45%, rgba(8,7,19,.38) 100%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            padding: 56px 56px 48px;
            max-width: 720px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .875rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }

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

        .breadcrumb-sep {
            color: var(--text-muted);
            opacity: .6;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0,229,255,.1);
            border: 1px solid rgba(0,229,255,.25);
            color: var(--accent-cyan);
            border-radius: var(--radius-btn);
            padding: 6px 16px;
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .04em;
            margin-bottom: 20px;
        }

        .hero-tag i {
            font-size: .8em;
        }

        .hero-inner h1 {
            font-size: clamp(2.4rem, 5vw, 3.9rem);
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            color: var(--text-title);
        }

        .hero-desc {
            font-size: 1.08rem;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 28px;
            max-width: 56ch;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 16px;
            max-width: 540px;
        }

        .stat-card {
            background: rgba(18,16,31,.86);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 20px 18px;
            text-align: left;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .stat-card:hover {
            border-color: rgba(124,92,255,.6);
            box-shadow: 0 0 16px rgba(124,92,255,.15);
        }

        .stat-value {
            display: block;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0,229,255,.35);
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
            margin-bottom: 4px;
            letter-spacing: -.01em;
        }

        .stat-label {
            display: block;
            font-size: .8rem;
            color: var(--text-muted);
            letter-spacing: .03em;
        }

        .guide-blocks {
            padding: 64px 0 var(--space-section);
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header h2 {
            font-size: clamp(1.8rem, 3vw, 2.5rem);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 46ch;
            margin: 0 auto;
        }

        .guide-block {
            margin-bottom: 80px;
        }

        .guide-block:last-child {
            margin-bottom: 0;
        }

        .guide-row.row {
            max-width: none;
            margin: 0;
        }

        .guide-row .columns {
            padding-left: 24px;
            padding-right: 24px;
        }

        .guide-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            background: var(--bg-panel);
            box-shadow: 0 12px 32px rgba(0,0,0,.25);
        }

        .guide-media img {
            display: block;
            width: 100%;
            aspect-ratio: 3 / 2;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .guide-block:hover .guide-media img {
            transform: scale(1.04);
        }

        .guide-content {
            padding: 12px 0;
        }

        .guide-kicker {
            display: inline-block;
            font-size: .78rem;
            font-weight: 600;
            letter-spacing: .08em;
            color: var(--accent-cyan);
            background: rgba(0,229,255,.08);
            border: 1px solid rgba(0,229,255,.2);
            border-radius: 999px;
            padding: 5px 14px;
            margin-bottom: 16px;
        }

        .guide-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text-title);
        }

        .guide-content p {
            font-size: .98rem;
            line-height: 1.8;
            color: var(--text-body);
            margin-bottom: 20px;
            max-width: 52ch;
        }

        .guide-badge {
            display: inline-flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 16px 24px;
            transition: border-color .25s ease, box-shadow .25s ease;
        }

        .guide-block:hover .guide-badge {
            border-color: rgba(0,229,255,.35);
        }

        .badge-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-cyan);
            text-shadow: 0 0 12px rgba(0,229,255,.35);
            font-variant-numeric: tabular-nums;
            line-height: 1;
        }

        .badge-label {
            font-size: .8rem;
            color: var(--text-muted);
            line-height: 1.4;
            max-width: 10ch;
            display: inline-block;
        }

        .audience-section {
            padding: var(--space-section) 0;
            border-top: 1px solid var(--border);
            background: linear-gradient(180deg, rgba(18,16,31,.35), transparent 70%);
        }

        .audience-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 20px;
        }

        .audience-card {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
        }

        .audience-card:hover {
            transform: translateY(-4px);
            border-color: rgba(124,92,255,.6);
            box-shadow: 0 12px 32px rgba(0,0,0,.25), var(--shadow-purple);
        }

        .audience-icon {
            flex: none;
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(124,92,255,.25), rgba(255,79,216,.18));
            border: 1px solid rgba(124,92,255,.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.3rem;
            box-shadow: 0 0 14px rgba(124,92,255,.15);
        }

        .audience-card h3 {
            font-size: 1.12rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-title);
        }

        .audience-card p {
            font-size: .92rem;
            color: var(--text-body);
            margin-bottom: 0;
            line-height: 1.65;
        }

        .faq-section {
            padding: var(--space-section) 0;
            border-top: 1px solid var(--border);
        }

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

        .faq-accordion {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .faq-accordion .accordion-item {
            background: var(--bg-panel);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .25s ease, background .25s ease;
        }

        .faq-accordion .accordion-item:hover {
            border-color: rgba(124,92,255,.55);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: rgba(124,92,255,.7);
            border-left: 3px solid var(--brand-primary);
        }

        .faq-accordion .accordion-title {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-title);
            background: transparent;
            border: none;
            transition: color .25s ease, background .25s ease;
        }

        .faq-accordion .accordion-title:hover,
        .faq-accordion .accordion-item.is-active .accordion-title {
            background: rgba(124,92,255,.07);
            color: var(--text-title);
        }

        .faq-accordion .accordion-title::before {
            content: none;
        }

        .faq-accordion .accordion-title::after {
            content: '+';
            flex: none;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(0,229,255,.08);
            border: 1px solid rgba(0,229,255,.2);
            color: var(--accent-cyan);
            font-size: 1.15rem;
            font-weight: 400;
            line-height: 1;
            transition: transform .3s ease;
        }

        .faq-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(135deg);
        }

        .faq-accordion .accordion-content {
            padding: 0 24px 22px;
            color: var(--text-body);
            font-size: .95rem;
            line-height: 1.75;
            background: transparent;
            border: none;
        }

        .faq-accordion .accordion-content p {
            margin-bottom: 0;
        }

        .cta-section {
            padding: 0 0 var(--space-section);
        }

        .cta-card {
            position: relative;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            background: radial-gradient(circle at 50% 0%, rgba(124,92,255,.22), transparent 70%), var(--bg-panel);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(1px 1px at 20% 30%, rgba(255,255,255,.4), transparent),
                radial-gradient(1px 1px at 66% 50%, rgba(0,229,255,.35), transparent),
                radial-gradient(2px 2px at 80% 20%, rgba(255,255,255,.25), transparent),
                radial-gradient(1px 1px at 40% 80%, rgba(124,92,255,.4), transparent),
                radial-gradient(1px 1px at 88% 70%, rgba(255,255,255,.3), transparent);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 700;
            color: var(--text-title);
            margin-bottom: 14px;
        }

        .cta-card p {
            font-size: 1rem;
            color: var(--text-body);
            max-width: 42ch;
            margin: 0 auto 32px;
            line-height: 1.75;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }

        .site-footer {
            background: var(--bg-nav);
            border-top: 1px solid var(--border);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: -1px;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--brand-primary), var(--accent-cyan));
            opacity: .6;
            pointer-events: none;
        }

        .footer-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 56px 24px 40px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-title);
        }

        .footer-brand .brand-icon {
            width: 26px;
            height: 26px;
            box-shadow: 0 0 12px rgba(124,92,255,.45);
        }

        .footer-desc {
            font-size: .87rem;
            color: var(--text-muted);
            margin-top: 14px;
            max-width: 34ch;
            line-height: 1.7;
        }

        .footer-title {
            font-size: .95rem;
            font-weight: 600;
            color: var(--text-title);
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            font-size: .87rem;
            text-decoration: none;
            transition: color .2s ease, padding-left .2s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-links a i {
            font-size: .7rem;
            color: var(--text-muted);
            transition: color .2s ease;
        }

        .footer-links a:hover {
            color: var(--accent-cyan);
            padding-left: 2px;
        }

        .footer-links a:hover i {
            color: var(--accent-cyan);
        }

        .footer-contact p {
            font-size: .84rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--accent-cyan);
            font-size: .82rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(42,38,64,.7);
            padding: 16px 0;
        }

        .footer-bottom-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            font-size: .75rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        @media (min-width: 768px) and (max-width: 1023px) {
            :root {
                --space-section: 72px;
            }
            .header-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .nav-menu a {
                padding: 8px 10px;
                font-size: .88rem;
            }
            .header-cta {
                padding: 9px 16px;
                font-size: .82rem;
            }
            .hero-card {
                min-height: 520px;
            }
            .hero-inner {
                padding: 48px 40px;
            }
            .guide-content h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                padding: 48px 16px 32px;
                gap: 28px;
            }
        }

        @media (max-width: 767px) {
            :root {
                --space-section: 56px;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
                height: 64px;
            }
            .brand-text {
                font-size: .98rem;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .header-cta {
                display: none;
            }
            .site-nav {
                position: fixed;
                top: calc(64px + 1px);
                left: 0;
                right: 0;
                background: var(--bg-nav);
                border-bottom: 1px solid var(--border);
                padding: 0 16px;
                max-height: 0;
                overflow: hidden;
                transition: max-height .32s ease, padding .32s ease, opacity .25s ease;
                opacity: 0;
                visibility: hidden;
                box-shadow: 0 16px 32px rgba(0,0,0,.4);
            }
            .site-nav::after {
                content: '';
                position: absolute;
                bottom: 0;
                left: 0;
                right: 0;
                height: 1px;
                background: linear-gradient(90deg, var(--brand-primary), var(--accent-cyan));
                opacity: .5;
            }
            .site-nav.is-open {
                max-height: 360px;
                padding: 16px;
                opacity: 1;
                visibility: visible;
            }
            .site-nav .nav-menu {
                flex-direction: column;
                gap: 4px;
            }
            .site-nav .nav-menu a {
                padding: 14px 16px;
                font-size: 1rem;
                border-radius: 12px;
                border-left: 3px solid transparent;
            }
            .site-nav .nav-menu a::after {
                display: none;
            }
            .site-nav .nav-menu a.active {
                border-left-color: var(--accent-cyan);
                background: rgba(0,229,255,.06);
                text-shadow: 0 0 10px rgba(0,229,255,.4);
            }
            .page-hero {
                padding: 24px 0 16px;
            }
            .hero-card {
                border-radius: 22px;
                min-height: 0;
            }
            .hero-inner {
                padding: 40px 24px 32px;
            }
            .hero-inner h1 {
                font-size: clamp(1.9rem, 7vw, 2.6rem);
            }
            .hero-desc {
                font-size: .98rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .hero-stats {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 14px 18px;
                display: flex;
                align-items: center;
                gap: 12px;
            }
            .stat-value {
                font-size: 1.6rem;
                margin-bottom: 0;
            }
            .stat-label {
                font-size: .82rem;
            }
            .guide-blocks {
                padding: 40px 0 var(--space-section);
            }
            .guide-block {
                margin-bottom: 48px;
            }
            .guide-row .columns {
                padding-left: 0;
                padding-right: 0;
            }
            .guide-content {
                margin-top: 8px;
                padding: 8px 0 0;
            }
            .audience-grid {
                grid-template-columns: 1fr;
            }
            .audience-card {
                padding: 24px;
            }
            .faq-section {
                padding: var(--space-section) 0;
            }
            .cta-section {
                padding-bottom: var(--space-section);
            }
            .cta-card {
                padding: 44px 20px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 16px 32px;
            }
            .footer-bottom-inner {
                flex-direction: column;
                text-align: center;
                padding: 0 16px;
            }
        }