/* roulang page: index */
:root {
            --bg-body: #0D0B16;
            --bg-card: #1A1729;
            --bg-deep: #0A0812;
            --gold: #F2B84B;
            --cyan: #3DE0C8;
            --text-main: #E8E4F2;
            --text-sub: #B7ACCC;
            --border-gold: rgba(242, 184, 75, 0.16);
            --radius-lg: 20px;
            --radius-md: 10px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 0 1px rgba(242, 184, 75, 0.2), 0 20px 60px rgba(0, 0, 0, 0.5);
            --font-title: 'Noto Serif SC', 'Noto Sans SC', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-number: 'Barlow Condensed', 'Noto Serif SC', sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-main);
            background: radial-gradient(ellipse at top, #161226 0%, var(--bg-body) 55%, #0D0B16 100%);
            background-attachment: fixed;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--gold);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #ffd378;
        }

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

        .container {
            max-width: 1280px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .btn {
            border-radius: 50px;
            padding: 0.875rem 2.25rem;
            font-weight: 500;
            transition: all 0.3s ease;
            border: none;
            font-size: 1rem;
        }

        .btn-gold {
            background: var(--gold);
            color: #1A1729;
            box-shadow: 0 4px 20px rgba(242, 184, 75, 0.25);
        }

        .btn-gold:hover {
            background: #ffd378;
            color: #1A1729;
            box-shadow: 0 6px 30px rgba(242, 184, 75, 0.4);
            transform: translateY(-2px);
        }

        .btn-gold:active {
            transform: translateY(2px);
            box-shadow: 0 2px 10px rgba(242, 184, 75, 0.3);
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid var(--gold);
            color: var(--gold);
        }

        .btn-outline-gold:hover {
            background: rgba(242, 184, 75, 0.1);
            color: #ffd378;
            border-color: #ffd378;
        }

        .btn-outline-gold:active {
            transform: translateY(2px);
        }

        .section-title {
            font-family: var(--font-title);
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 3rem;
            position: relative;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: var(--gold);
            border-radius: 3px;
        }

        .text-gold {
            color: var(--gold);
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            background: rgba(13, 11, 22, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(242, 184, 75, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 0.75rem 0;
        }

        .header-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            gap: 1rem;
        }

        .nav-left {
            display: flex;
            justify-content: flex-end;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-right {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            gap: 0.5rem;
        }

        .nav-link {
            color: var(--text-sub);
            font-size: 0.95rem;
            padding: 0.5rem 1rem;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width 0.3s ease;
        }

        .nav-link:hover {
            color: var(--gold);
        }

        .nav-link:hover::after {
            width: 60%;
        }

        .nav-link.active {
            color: var(--gold);
        }

        .nav-link.active::after {
            width: 60%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            text-decoration: none;
            padding: 0.25rem 0;
        }

        .brand-badge {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 2px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-number);
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--gold);
            background: rgba(242, 184, 75, 0.08);
            box-shadow: 0 0 20px rgba(242, 184, 75, 0.3);
        }

        .brand-text {
            font-family: var(--font-title);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.05em;
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-md);
            width: 44px;
            height: 40px;
            position: relative;
            cursor: pointer;
        }

        .navbar-toggler-custom span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--gold);
            margin: 4px auto;
            transition: all 0.3s ease;
        }

        .mobile-nav {
            display: none;
        }

        .nav-cta {
            background: var(--gold);
            color: #1A1729;
            border-radius: 50px;
            padding: 0.4rem 1.25rem;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.3s ease;
        }

        .nav-cta:hover {
            background: #ffd378;
            color: #1A1729;
            box-shadow: 0 4px 20px rgba(242, 184, 75, 0.3);
        }

        /* ===== Countdown Bar ===== */
        .countdown-bar {
            background: linear-gradient(135deg, #141126 0%, #1a1630 100%);
            border-bottom: 1px solid var(--border-gold);
            padding: 0.75rem 0;
        }

        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.75rem;
        }

        .countdown-left {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .live-badge {
            background: rgba(61, 224, 200, 0.15);
            border: 1px solid rgba(61, 224, 200, 0.4);
            color: var(--cyan);
            font-size: 0.8rem;
            padding: 0.2rem 0.9rem;
            border-radius: 50px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .live-badge::before {
            content: '';
            width: 6px;
            height: 6px;
            background: var(--cyan);
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }

            50% {
                opacity: 0.5;
                transform: scale(1.5);
            }
        }

        .countdown-text {
            color: var(--text-sub);
            font-size: 0.9rem;
        }

        .countdown-numbers {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .cd-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(242, 184, 75, 0.08);
            border: 1px solid rgba(242, 184, 75, 0.15);
            border-radius: var(--radius-md);
            padding: 0.3rem 0.75rem;
            min-width: 55px;
        }

        .cd-num {
            font-family: var(--font-number);
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--cyan);
            line-height: 1.2;
        }

        .cd-label {
            font-size: 0.7rem;
            color: var(--text-sub);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background-image: linear-gradient(rgba(13, 11, 22, 0.72), rgba(18, 16, 31, 0.45)), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: 5rem 0 6rem;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(242, 184, 75, 0.08) 0%, transparent 60%);
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(transparent, rgba(13, 11, 22, 0.6));
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 3rem;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 640px;
        }

        .hero-title {
            font-family: var(--font-title);
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 1.5rem;
            color: var(--text-main);
        }

        .hero-title .highlight {
            color: var(--gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: #C9BFD9;
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-btns {
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .hero-vii {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .vii-badge {
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 3px solid var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-number);
            font-size: 3.5rem;
            font-weight: 700;
            color: var(--gold);
            background: radial-gradient(circle, rgba(242, 184, 75, 0.15) 0%, transparent 70%);
            box-shadow: 0 0 60px rgba(242, 184, 75, 0.3);
            position: relative;
            animation: float 4s ease-in-out infinite;
        }

        .vii-badge::before {
            content: '';
            position: absolute;
            inset: -12px;
            border-radius: 50%;
            border: 1px dashed rgba(242, 184, 75, 0.3);
            animation: rotate 20s linear infinite;
        }

        @keyframes float {
            0%,
            100% {
                transform: translateY(0);
            }

            50% {
                transform: translateY(-15px);
            }
        }

        @keyframes rotate {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }

        .scroll-indicator {
            position: absolute;
            bottom: 25px;
            left: 50%;
            transform: translateX(-50%);
            color: var(--text-sub);
            font-size: 0.75rem;
            letter-spacing: 0.2em;
            z-index: 2;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }

        .scroll-indicator span {
            width: 1px;
            height: 30px;
            background: linear-gradient(var(--gold), transparent);
            display: block;
        }

        /* ===== Stats Bar ===== */
        .stats-section {
            padding: 4rem 0;
            background: linear-gradient(180deg, rgba(13, 11, 22, 0.8) 0%, var(--bg-card) 100%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .stat-item {
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            background: rgba(26, 23, 41, 0.6);
            border: 1px solid var(--border-gold);
            transition: all 0.3s ease;
        }

        .stat-item:hover {
            border-color: rgba(242, 184, 75, 0.4);
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .stat-number {
            font-family: var(--font-number);
            font-size: 2.8rem;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
        }

        .stat-label {
            color: var(--text-sub);
            font-size: 0.9rem;
            margin-top: 0.5rem;
            letter-spacing: 0.05em;
        }

        /* ===== Highlights / Feature Cards ===== */
        .highlights-section {
            padding: 5rem 0;
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .highlight-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            overflow: hidden;
            transition: all 0.4s ease;
            box-shadow: var(--shadow-card);
        }

        .highlight-card:hover {
            border-color: rgba(242, 184, 75, 0.45);
            box-shadow: var(--shadow-glow);
            transform: translateY(-8px);
        }

        .highlight-card-img {
            position: relative;
            overflow: hidden;
            height: 220px;
        }

        .highlight-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .highlight-card-body {
            padding: 1.25rem;
        }

        .highlight-card-title {
            font-family: var(--font-title);
            font-size: 1.15rem;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }

        .highlight-card-desc {
            font-size: 0.9rem;
            color: var(--text-sub);
            margin-bottom: 0.75rem;
            line-height: 1.6;
        }

        .highlight-card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            color: var(--gold);
            font-size: 0.9rem;
            transition: gap 0.3s ease;
        }

        .highlight-card-link:hover {
            gap: 0.7rem;
        }

        .highlight-card-link svg {
            width: 16px;
            height: 16px;
            transition: transform 0.3s ease;
        }

        /* ===== Latest News / CMS List ===== */
        .news-section {
            padding: 5rem 0;
            background: linear-gradient(180deg, var(--bg-body) 0%, rgba(26, 23, 41, 0.4) 100%);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .news-item {
            display: flex;
            align-items: center;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            padding: 1.25rem;
            gap: 1.5rem;
            transition: all 0.3s ease;
            min-height: 110px;
        }

        .news-item:hover {
            border-color: rgba(242, 184, 75, 0.4);
            box-shadow: var(--shadow-card);
            transform: translateX(4px);
        }

        .news-date {
            flex-shrink: 0;
            width: 90px;
            height: 80px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(242, 184, 75, 0.08);
            border-radius: var(--radius-md);
            border: 1px solid rgba(242, 184, 75, 0.2);
            transition: all 0.3s ease;
        }

        .news-item:hover .news-date {
            background: linear-gradient(135deg, rgba(242, 184, 75, 0.2), rgba(242, 184, 75, 0.05));
        }

        .news-day {
            font-family: var(--font-number);
            font-size: 2rem;
            font-weight: 700;
            color: var(--gold);
            line-height: 1;
        }

        .news-month {
            font-size: 0.75rem;
            color: var(--text-sub);
            margin-top: 0.2rem;
        }

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

        .news-content h3 {
            font-size: 1.1rem;
            font-weight: 500;
            margin-bottom: 0.4rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-content h3 a {
            color: var(--text-main);
        }

        .news-content h3 a:hover {
            color: var(--gold);
        }

        .news-content p {
            font-size: 0.9rem;
            color: var(--text-sub);
            margin: 0;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .news-meta {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 0.5rem;
            flex-shrink: 0;
        }

        .news-cat {
            font-size: 0.75rem;
            background: rgba(61, 224, 200, 0.12);
            color: var(--cyan);
            border-radius: 50px;
            padding: 0.2rem 0.75rem;
            border: 1px solid rgba(61, 224, 200, 0.2);
        }

        .news-arrow {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(242, 184, 75, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            transition: all 0.3s ease;
        }

        .news-arrow:hover {
            background: var(--gold);
            color: #1A1729;
            transform: rotate(45deg);
        }

        .news-arrow svg {
            width: 16px;
            height: 16px;
        }

        .news-empty {
            text-align: center;
            padding: 3rem;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px dashed rgba(242, 184, 75, 0.3);
            color: var(--text-sub);
            font-size: 1rem;
        }

        /* ===== CTA / Register Section ===== */
        .cta-section {
            padding: 5rem 0;
            background: linear-gradient(135deg, rgba(26, 23, 41, 0.9) 0%, rgba(13, 11, 22, 0.95) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 184, 75, 0.08) 0%, transparent 70%);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .cta-form-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-gold);
            padding: 2.5rem;
            box-shadow: var(--shadow-card);
        }

        .cta-form-wrap h3 {
            font-family: var(--font-title);
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
            color: var(--text-main);
        }

        .cta-form-wrap p {
            color: var(--text-sub);
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }

        .cta-form .form-group {
            margin-bottom: 1.25rem;
        }

        .cta-form label {
            font-size: 0.85rem;
            color: var(--text-sub);
            margin-bottom: 0.4rem;
            display: block;
        }

        .cta-form .form-control {
            background: #141126;
            border: 1px solid #2A2438;
            border-radius: var(--radius-md);
            color: var(--text-main);
            padding: 0.75rem 1rem;
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .cta-form .form-control:focus {
            background: #141126;
            border-color: var(--cyan);
            box-shadow: 0 0 0 4px rgba(61, 224, 200, 0.15);
            color: var(--text-main);
        }

        .cta-form textarea.form-control {
            min-height: 100px;
            resize: vertical;
        }

        .form-success {
            display: none;
            background: rgba(61, 224, 200, 0.1);
            border: 1px solid rgba(61, 224, 200, 0.3);
            color: var(--cyan);
            border-radius: var(--radius-md);
            padding: 0.75rem 1rem;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .cta-right {
            padding: 1rem;
        }

        .cta-right h3 {
            font-family: var(--font-title);
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
            color: var(--text-main);
        }

        .benefit-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 0.85rem;
        }

        .benefit-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 50%;
            background: rgba(242, 184, 75, 0.12);
            border: 1px solid rgba(242, 184, 75, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
        }

        .benefit-icon svg {
            width: 18px;
            height: 18px;
        }

        .benefit-text {
            flex: 1;
        }

        .benefit-text h5 {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 0.2rem;
        }

        .benefit-text p {
            font-size: 0.85rem;
            color: var(--text-sub);
            margin: 0;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 5rem 0;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: transparent;
            border: none;
            border-bottom: 1px solid rgba(242, 184, 75, 0.15);
            border-radius: 0 !important;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 1.1rem;
            font-weight: 500;
            padding: 1.5rem 1rem;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .accordion-button::after {
            background-image: none;
            content: '+';
            font-size: 1.5rem;
            color: var(--gold);
            width: auto;
            height: auto;
            transform: rotate(0deg);
            transition: transform 0.3s ease;
            font-weight: 300;
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
        }

        .accordion-button:not(.collapsed) {
            color: var(--gold);
            background: transparent;
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(61, 224, 200, 0.1);
        }

        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            clip-path: polygon(25% 5%, 75% 5%, 100% 50%, 75% 95%, 25% 95%, 0% 50%);
            background: rgba(242, 184, 75, 0.15);
            color: var(--gold);
            font-size: 0.8rem;
            font-weight: 600;
            flex-shrink: 0;
        }

        .accordion-body {
            color: var(--text-sub);
            font-size: 0.95rem;
            line-height: 1.9;
            padding: 0 1rem 1.5rem 3rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: 4rem 0 0;
            margin-top: 2rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }

        .footer-brand .brand-logo {
            margin-bottom: 1rem;
        }

        .footer-brand p {
            color: var(--text-sub);
            font-size: 0.9rem;
            color: #8F86A8;
        }

        .footer-title {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-main);
            margin-bottom: 1rem;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .footer-links a {
            color: #8F86A8;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--gold);
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            color: #8F86A8;
            font-size: 0.9rem;
        }

        .footer-contact svg {
            width: 16px;
            height: 16px;
            color: var(--gold);
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(242, 184, 75, 0.08);
            padding: 1.25rem 0;
            text-align: center;
        }

        .footer-bottom p {
            color: #6B6380;
            font-size: 0.8rem;
            margin: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1199px) {
            .highlights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .header-grid {
                grid-template-columns: 1fr auto 1fr;
            }

            .nav-left,
            .nav-right {
                display: none;
            }

            .navbar-toggler-custom {
                display: block;
                position: absolute;
                right: 1.5rem;
                top: 50%;
                transform: translateY(-50%);
            }

            .header-grid {
                position: relative;
            }

            .brand-logo {
                justify-self: center;
                grid-column: 2;
            }

            .mobile-nav {
                display: block;
                background: var(--bg-card);
                border-radius: var(--radius-lg);
                padding: 1rem;
                margin-top: 1rem;
                box-shadow: var(--shadow-card);
            }

            .mobile-nav-link {
                display: block;
                padding: 0.75rem 1rem;
                color: var(--text-sub);
                border-left: 2px solid transparent;
                transition: all 0.3s ease;
            }

            .mobile-nav-link:hover,
            .mobile-nav-link.active {
                color: var(--gold);
                border-left-color: var(--gold);
                background: rgba(242, 184, 75, 0.05);
            }

            .hero-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-btns {
                justify-content: center;
            }

            .hero-vii {
                display: none;
            }

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

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .countdown-inner {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .news-item {
                padding: 1rem;
                gap: 1rem;
            }

            .news-meta {
                display: none;
            }
        }

        @media (max-width: 767px) {
            .highlights-grid {
                grid-template-columns: 1fr;
            }

            .hero {
                padding: 3.5rem 0 5rem;
            }

            .hero-title {
                font-size: clamp(2rem, 8vw, 3rem);
            }

            .section-title {
                font-size: 1.5rem;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 0.75rem;
            }

            .news-date {
                width: 70px;
                height: 65px;
                flex-direction: row;
                gap: 0.4rem;
            }

            .news-day {
                font-size: 1.6rem;
            }

            .news-month {
                font-size: 0.7rem;
                margin-top: 0;
            }

            .news-content h3 {
                font-size: 1rem;
                white-space: normal;
            }

            .countdown-numbers {
                gap: 0.5rem;
            }

            .cd-item {
                min-width: 48px;
                padding: 0.25rem 0.5rem;
            }

            .cd-num {
                font-size: 1.2rem;
            }

            .cta-form-wrap {
                padding: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }

            .footer-bottom p {
                font-size: 0.7rem;
            }

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

            .stat-number {
                font-size: 2rem;
            }

            .btn {
                display: block;
                width: 100%;
                text-align: center;
            }

            .hero-btns {
                flex-direction: column;
                width: 100%;
            }

            .accordion-button {
                font-size: 0.95rem;
                padding: 1.25rem 0.75rem;
            }

            .accordion-body {
                padding-left: 1.5rem;
            }
        }

        @media (max-width: 575px) {
            body {
                font-size: 15px;
            }

            .highlights-section,
            .news-section,
            .cta-section,
            .faq-section {
                padding: 3rem 0;
            }

            .news-content p {
                -webkit-line-clamp: 2;
            }
        }

        @media (min-width: 992px) {
            .mobile-nav,
            .navbar-toggler-custom {
                display: none !important;
            }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
        --bg-body: #0D0B16;
        --bg-deep: #0A0812;
        --bg-card: #1A1729;
        --bg-input: #1A1729;
        --gold: #F2B84B;
        --cyan: #3DE0C8;
        --text-main: #F0EBFA;
        --text-sub: #B7ACCC;
        --text-muted: #6F678F;
        --border-gold: rgba(242, 184, 75, 0.25);
        --border-card: rgba(242, 184, 75, 0.16);
        --border-input: #2A2438;
        --radius-lg: 20px;
        --radius-md: 10px;
        --radius-sm: 8px;
        --radius-pill: 50px;
        --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
        --shadow-glow: 0 0 0 1px rgba(242, 184, 75, 0.2), 0 20px 60px rgba(0, 0, 0, 0.5);
        --font-title: 'Noto Serif SC', serif;
        --font-body: 'Noto Sans SC', sans-serif;
        --font-number: 'Barlow Condensed', sans-serif;
        --section-gap: 5rem;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
        scroll-padding-top: 110px;
    }
    body {
        margin: 0;
        padding: 0;
        background: var(--bg-body);
        color: var(--text-main);
        font-family: var(--font-body);
        font-size: 16px;
        font-weight: 400;
        line-height: 1.8;
        -webkit-font-smoothing: antialiased;
        background-image: radial-gradient(ellipse at top left, rgba(22, 18, 38, 0.6), transparent 60%), radial-gradient(ellipse at bottom right, rgba(22, 18, 38, 0.4), transparent 50%);
    }
    a {
        color: var(--gold);
        text-decoration: none;
        transition: color 0.3s ease, opacity 0.3s ease;
    }
    a:hover {
        color: var(--gold);
        opacity: 0.85;
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input,
    textarea {
        font-family: inherit;
    }

    /* ===== Bootstrap Container Override ===== */
    .container {
        max-width: 1280px;
    }

    /* ===== Site Header ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(13, 11, 22, 0.9);
        backdrop-filter: blur(18px);
        -webkit-backdrop-filter: blur(18px);
        border-bottom: 1px solid rgba(242, 184, 75, 0.12);
        padding: 0.25rem 0;
    }
    .header-grid {
        display: grid;
        grid-template-columns: 1fr auto 1fr;
        align-items: center;
        min-height: 72px;
        gap: 1.5rem;
    }
    .nav-left {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: 2rem;
    }
    .nav-right {
        display: flex;
        justify-content: flex-start;
        align-items: center;
        gap: 2rem;
    }
    .nav-link {
        color: var(--text-sub);
        font-size: 15px;
        font-weight: 500;
        letter-spacing: 0.06em;
        text-decoration: none;
        padding: 0.4rem 0;
        position: relative;
        transition: color 0.3s ease;
    }
    .nav-link::after {
        content: '';
        display: block;
        height: 2px;
        width: 0;
        background: var(--gold);
        border-radius: 2px;
        margin-top: 2px;
        transition: width 0.35s ease;
    }
    .nav-link:hover {
        color: var(--gold);
    }
    .nav-link:hover::after {
        width: 100%;
    }
    .nav-link.active {
        color: var(--gold);
    }
    .nav-link.active::after {
        width: 100%;
    }
    .brand-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        text-decoration: none;
    }
    .brand-badge {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: transparent;
        border: 1.5px solid var(--gold);
        border-radius: 8px;
        font-family: var(--font-number);
        font-size: 16px;
        font-weight: 600;
        color: var(--gold);
        letter-spacing: 0.02em;
        transform: rotate(-4deg);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }
    .brand-logo:hover .brand-badge {
        transform: rotate(0deg) scale(1.05);
        box-shadow: 0 0 20px rgba(242, 184, 75, 0.25);
    }
    .brand-text {
        font-family: var(--font-title);
        font-size: 20px;
        font-weight: 700;
        color: var(--text-main);
        letter-spacing: 0.08em;
        line-height: 1;
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        padding: 0.55rem 1.4rem;
        border-radius: var(--radius-pill);
        background: linear-gradient(135deg, var(--gold), #fcaa3d);
        color: #161226;
        font-weight: 600;
        font-size: 14px;
        letter-spacing: 0.04em;
        border: none;
        transition: box-shadow 0.3s ease, transform 0.2s ease;
        text-decoration: none;
    }
    .nav-cta:hover {
        color: #161226;
        box-shadow: 0 0 26px rgba(242, 184, 75, 0.4);
        transform: translateY(-1px);
        opacity: 1;
    }
    .navbar-toggler-custom {
        display: none;
        background: none;
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-sm);
        padding: 0.5rem 0.7rem;
        cursor: pointer;
        gap: 4px;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
    .navbar-toggler-custom span {
        display: block;
        width: 20px;
        height: 2px;
        background: var(--gold);
        border-radius: 2px;
    }
    .mobile-nav {
        display: none;
        padding: 1rem 0;
        border-top: 1px solid var(--border-card);
    }
    .mobile-nav.show {
        display: block;
    }
    .mobile-nav-link {
        display: block;
        color: var(--text-sub);
        font-size: 16px;
        font-weight: 500;
        padding: 0.8rem 0;
        text-decoration: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }
    .mobile-nav-link:hover {
        color: var(--gold);
    }
    .mobile-nav-link.active {
        color: var(--gold);
    }

    /* ===== Category Hero ===== */
    .category-hero {
        position: relative;
        padding: 6.5rem 0 5rem;
        background: linear-gradient(rgba(13, 11, 22, 0.68), rgba(13, 11, 22, 0.46)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        border-bottom: 1px solid rgba(242, 184, 75, 0.12);
    }
    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at 80% 20%, rgba(242, 184, 75, 0.08), transparent 55%);
        pointer-events: none;
    }
    .breadcrumb-line {
        display: flex;
        align-items: center;
        gap: 0.6rem;
        font-size: 14px;
        color: var(--text-sub);
        margin-bottom: 1.6rem;
    }
    .breadcrumb-line a {
        color: var(--text-sub);
        text-decoration: none;
        transition: color 0.3s;
    }
    .breadcrumb-line a:hover {
        color: var(--gold);
    }
    .breadcrumb-line span {
        color: var(--gold);
    }
    .category-hero h1 {
        font-family: var(--font-title);
        font-size: clamp(2.4rem, 5vw, 3.6rem);
        font-weight: 700;
        color: var(--text-main);
        margin: 0 0 1.2rem;
        line-height: 1.25;
        letter-spacing: 0.04em;
    }
    .category-hero h1 strong {
        color: var(--gold);
        font-weight: 700;
    }
    .category-hero p {
        max-width: 640px;
        color: #C9BFD9;
        font-size: 17px;
        line-height: 1.85;
        margin-bottom: 2rem;
    }
    .hero-buttons {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }
    .btn-gold,
    .btn-ghost {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.875rem 2.25rem;
        border-radius: var(--radius-pill);
        font-size: 15px;
        font-weight: 600;
        letter-spacing: 0.05em;
        transition: all 0.3s ease;
        text-decoration: none;
        border: none;
        cursor: pointer;
    }
    .btn-gold {
        background: linear-gradient(135deg, var(--gold), #f5c56b);
        color: #161226;
        box-shadow: 0 6px 20px rgba(242, 184, 75, 0.2);
    }
    .btn-gold:hover {
        color: #161226;
        box-shadow: 0 0 30px rgba(242, 184, 75, 0.45);
        transform: translateY(-2px);
        opacity: 1;
    }
    .btn-gold:active {
        transform: translateY(0px);
    }
    .btn-ghost {
        background: transparent;
        border: 1px solid var(--border-gold);
        color: var(--gold);
    }
    .btn-ghost:hover {
        background: rgba(242, 184, 75, 0.1);
        color: var(--gold);
        opacity: 1;
        transform: translateY(-2px);
    }
    .btn-ghost:active {
        transform: translateY(0px);
    }

    /* ===== Category Two Column Layout ===== */
    .cat-content {
        padding: var(--section-gap) 0 2rem;
    }
    .cat-main-row {
        display: grid;
        grid-template-columns: 3fr 7fr;
        gap: 2.8rem;
        align-items: start;
    }

    /* ===== TOC Sidebar ===== */
    .cat-toc {
        position: sticky;
        top: 100px;
        background: var(--bg-card);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-lg);
        padding: 2rem 1.6rem;
        box-shadow: var(--shadow-card);
    }
    .cat-toc-title {
        font-family: var(--font-title);
        font-size: 15px;
        color: var(--gold);
        letter-spacing: 0.12em;
        text-transform: uppercase;
        margin-bottom: 1.4rem;
        padding-bottom: 0.8rem;
        border-bottom: 1px solid rgba(242, 184, 75, 0.15);
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }
    .cat-toc-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .cat-toc-list li {
        margin-bottom: 0.4rem;
    }
    .cat-toc-list a {
        display: flex;
        align-items: center;
        gap: 0.7rem;
        padding: 0.65rem 0.8rem;
        color: var(--text-sub);
        font-size: 14px;
        font-weight: 500;
        text-decoration: none;
        border-radius: var(--radius-sm);
        transition: background 0.3s ease, color 0.3s ease, padding-left 0.3s ease;
    }
    .cat-toc-list a::before {
        content: '';
        width: 7px;
        height: 7px;
        border-radius: 2px;
        background: transparent;
        border: 1px solid var(--gold);
        transform: rotate(45deg);
        transition: background 0.3s ease;
        flex-shrink: 0;
    }
    .cat-toc-list a:hover {
        color: var(--gold);
        background: rgba(242, 184, 75, 0.06);
        padding-left: 1rem;
    }
    .cat-toc-list a:hover::before {
        background: var(--gold);
    }

    /* ===== Content Area ===== */
    .cat-main-section {
        margin-bottom: 4rem;
    }
    .cat-main-section h2 {
        font-family: var(--font-title);
        font-size: 26px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 1.6rem;
        position: relative;
        padding-left: 1.2rem;
        line-height: 1.4;
    }
    .cat-main-section h2::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0.35em;
        width: 4px;
        height: 1.2em;
        background: var(--gold);
        border-radius: 2px;
    }
    .cat-main-section p {
        color: var(--text-sub);
        font-size: 16px;
        line-height: 1.9;
        margin-bottom: 1.2rem;
    }
    .cat-main-section h3 {
        font-family: var(--font-title);
        font-size: 19px;
        color: var(--text-main);
        margin: 1.8rem 0 0.8rem;
    }

    /* ===== Feature List ===== */
    .feature-list {
        list-style: none;
        margin: 0;
        padding: 0;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }
    .feature-list li {
        display: flex;
        align-items: flex-start;
        gap: 0.9rem;
        padding: 1.2rem 1.3rem;
        background: rgba(26, 23, 41, 0.6);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-md);
        transition: border-color 0.3s, background 0.3s;
    }
    .feature-list li:hover {
        border-color: var(--border-gold);
        background: rgba(26, 23, 41, 0.9);
    }
    .feature-icon {
        width: 32px;
        height: 32px;
        min-width: 32px;
        border-radius: 50%;
        background: rgba(242, 184, 75, 0.12);
        border: 1px solid rgba(242, 184, 75, 0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--gold);
        font-size: 13px;
        font-family: var(--font-number);
        font-weight: 600;
        margin-top: 2px;
    }
    .feature-list h4 {
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        margin: 0 0 0.2rem;
        line-height: 1.4;
    }
    .feature-list p {
        font-size: 14px;
        color: var(--text-sub);
        margin: 0;
        line-height: 1.7;
    }

    /* ===== Horizontal Detail Cards ===== */
    .detail-card {
        display: flex;
        background: var(--bg-card);
        border: 1px solid var(--border-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        margin-bottom: 1.6rem;
        transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
    }
    .detail-card:hover {
        transform: translateY(-4px);
        border-color: var(--border-gold);
        box-shadow: var(--shadow-glow);
    }
    .detail-card-img {
        width: 240px;
        min-width: 240px;
        flex-shrink: 0;
        position: relative;
        overflow: hidden;
    }
    .detail-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }
    .detail-card:hover .detail-card-img img {
        transform: scale(1.05);
    }
    .detail-card-body {
        padding: 1.8rem 1.8rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
        flex: 1;
    }
    .detail-card-body h3 {
        font-family: var(--font-title);
        font-size: 20px;
        color: var(--text-main);
        margin: 0 0 0.6rem;
        line-height: 1.4;
    }
    .detail-card-body p {
        font-size: 15px;
        color: var(--text-sub);
        line-height: 1.8;
        margin: 0;
    }
    .detail-card-body .detail-meta {
        display: inline-flex;
        align-items: center;
        gap: 0.4rem;
        color: var(--gold);
        font-size: 13px;
        margin-top: 1rem;
        font-weight: 500;
    }

    /* ===== Related Topic Tags ===== */
    .topic-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 0.8rem;
    }
    .tag-item {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.65rem 1.5rem;
        border-radius: var(--radius-pill);
        border: 1px solid var(--border-gold);
        color: var(--gold);
        font-size: 14px;
        font-weight: 500;
        text-decoration: none;
        background: transparent;
        transition: background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
    }
    .tag-item:hover {
        background: rgba(242, 184, 75, 0.1);
        color: var(--text-main);
        border-color: rgba(242, 184, 75, 0.45);
        box-shadow: 0 0 16px rgba(242, 184, 75, 0.12);
        opacity: 1;
    }
    .tag-item svg {
        width: 14px;
        height: 14px;
    }

    /* ===== Accordion / FAQ ===== */
    .accordion {
        --bs-accordion-border-width: 0;
        --bs-accordion-bg: transparent;
        --bs-accordion-border-radius: 0;
        --bs-accordion-inner-border-radius: 0;
    }
    .accordion-item {
        background: transparent;
        border: 0;
        border-bottom: 1px solid rgba(242, 184, 75, 0.15);
        border-radius: 0 !important;
    }
    .accordion-item:first-of-type {
        border-top: 1px solid rgba(242, 184, 75, 0.15);
    }
    .accordion-header {
        background: transparent;
        border: 0;
    }
    .accordion-button {
        background: transparent;
        color: var(--text-main);
        font-family: var(--font-body);
        font-size: 17px;
        font-weight: 600;
        padding: 1.5rem 2rem 1.5rem 0;
        line-height: 1.6;
        box-shadow: none;
        border: 0;
        gap: 0.8rem;
        transition: color 0.3s ease;
    }
    .accordion-button:hover {
        color: var(--gold);
        background: transparent;
    }
    .accordion-button:not(.collapsed) {
        background: transparent;
        color: var(--gold);
        box-shadow: none;
    }
    .accordion-button:focus {
        box-shadow: none;
        background: transparent;
    }
    .accordion-button:active {
        background: transparent;
    }
    .accordion-button::after {
        background-image: none;
        content: '+';
        font-family: var(--font-number);
        color: var(--gold);
        font-size: 1.9rem;
        font-weight: 300;
        width: auto;
        height: auto;
        line-height: 1;
        transition: transform 0.35s ease;
        margin-left: auto;
    }
    .accordion-button:not(.collapsed)::after {
        transform: rotate(45deg);
    }
    .accordion-body {
        padding: 0 3rem 1.6rem 0;
        color: var(--text-sub);
        font-size: 15px;
        line-height: 1.9;
    }

    /* ===== CTA Section ===== */
    .cat-cta {
        padding: 2rem 0 4rem;
    }
    .cat-cta-inner {
        background: linear-gradient(135deg, rgba(242, 184, 75, 0.08), rgba(242, 184, 75, 0.02)), var(--bg-card);
        border: 1px solid var(--border-gold);
        border-radius: var(--radius-lg);
        padding: 3.2rem 3.5rem;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 2rem;
        box-shadow: var(--shadow-card);
        position: relative;
        overflow: hidden;
    }
    .cat-cta-inner::before {
        content: '';
        position: absolute;
        top: -60px;
        right: -60px;
        width: 180px;
        height: 180px;
        background: radial-gradient(circle, rgba(242, 184, 75, 0.12), transparent 70%);
        pointer-events: none;
    }
    .cat-cta-text h2 {
        font-family: var(--font-title);
        font-size: 26px;
        color: var(--text-main);
        margin: 0 0 0.6rem;
        line-height: 1.4;
    }
    .cat-cta-text p {
        color: var(--text-sub);
        font-size: 15px;
        line-height: 1.7;
        margin: 0;
        max-width: 480px;
    }
    .cat-cta-buttons {
        display: flex;
        gap: 1rem;
        flex-wrap: wrap;
    }

    /* ===== Adjacent Nav ===== */
    .cat-next {
        padding: 2rem 0 4rem;
        border-top: 1px solid var(--border-card);
    }
    .cat-next-inner {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 2rem;
    }
    .cat-next a {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        color: var(--text-sub);
        font-size: 15px;
        font-weight: 500;
        text-decoration: none;
        transition: color 0.3s ease;
    }
    .cat-next a:hover {
        color: var(--gold);
    }
    .cat-next a svg {
        width: 16px;
        height: 16px;
    }
    .cat-next-divider {
        width: 1px;
        height: 16px;
        background: var(--border-gold);
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-deep);
        border-top: 1px solid var(--border-gold);
        padding: 4rem 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1.2fr;
        gap: 3rem;
        padding-bottom: 3rem;
    }
    .footer-brand p {
        color: var(--text-sub);
        font-size: 14px;
        line-height: 1.8;
        margin: 1rem 0 0;
        max-width: 360px;
    }
    .footer-title {
        font-family: var(--font-title);
        color: var(--text-main);
        font-size: 16px;
        font-weight: 700;
        margin-bottom: 1.2rem;
        letter-spacing: 0.04em;
    }
    .footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-links li {
        margin-bottom: 0.6rem;
    }
    .footer-links a {
        color: var(--text-sub);
        font-size: 14px;
        text-decoration: none;
        transition: color 0.3s, padding-left 0.3s;
    }
    .footer-links a:hover {
        color: var(--gold);
        padding-left: 4px;
    }
    .footer-contact {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-contact li {
        display: flex;
        align-items: center;
        gap: 0.7rem;
        color: var(--text-sub);
        font-size: 14px;
        margin-bottom: 0.7rem;
    }
    .footer-contact svg {
        width: 18px;
        height: 18px;
        color: var(--gold);
        flex-shrink: 0;
    }
    .footer-bottom {
        border-top: 1px solid rgba(242, 184, 75, 0.08);
        padding: 1.4rem 0;
        text-align: center;
    }
    .footer-bottom p {
        margin: 0;
        color: var(--text-muted);
        font-size: 13px;
        font-weight: 300;
        letter-spacing: 0.02em;
    }

    /* ===== Responsive ===== */
    @media (min-width: 992px) {
        .header-grid {
            grid-template-columns: 1fr auto 1fr;
        }
        .nav-left,
        .nav-right {
            display: flex;
        }
        .navbar-toggler-custom,
        .mobile-nav {
            display: none !important;
        }
    }

    @media (max-width: 991.98px) {
        .header-grid {
            grid-template-columns: auto 1fr auto;
        }
        .nav-left,
        .nav-right {
            display: none;
        }
        .navbar-toggler-custom {
            display: flex;
        }
        .brand-logo {
            justify-self: center;
        }
        .mobile-nav.collapse:not(.show) {
            display: none;
        }
        .mobile-nav.collapse.show {
            display: block;
        }
        .cat-main-row {
            grid-template-columns: 1fr;
        }
        .cat-toc {
            position: static;
            margin-bottom: 2rem;
        }
        .cat-toc-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
        }
        .cat-toc-list a {
            padding: 0.5rem 1rem;
        }
        .cat-toc-list a::before {
            display: none;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
    }

    @media (max-width: 767.98px) {
        :root {
            --section-gap: 3rem;
        }
        .category-hero {
            padding: 4rem 0 3rem;
        }
        .feature-list {
            grid-template-columns: 1fr;
        }
        .detail-card {
            flex-direction: column;
        }
        .detail-card-img {
            width: 100%;
            min-width: 0;
            height: 200px;
        }
        .cat-cta-inner {
            padding: 2rem 1.5rem;
            flex-direction: column;
            align-items: flex-start;
        }
        .cat-cta-buttons {
            width: 100%;
        }
        .cat-cta-buttons .btn-gold,
        .cat-cta-buttons .btn-ghost {
            width: 100%;
            justify-content: center;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .footer-brand p {
            max-width: none;
        }
        .hero-buttons {
            width: 100%;
        }
        .hero-buttons .btn-gold,
        .hero-buttons .btn-ghost {
            flex: 1;
            justify-content: center;
        }
    }

    @media (max-width: 575.98px) {
        .header-grid {
            grid-template-columns: auto 1fr auto;
            min-height: 64px;
        }
        .brand-text {
            font-size: 17px;
        }
        .brand-badge {
            width: 34px;
            height: 34px;
            font-size: 14px;
        }
        .category-hero h1 {
            font-size: 2rem;
        }
        .category-hero p {
            font-size: 16px;
        }
        .hero-buttons {
            width: 100%;
        }
        .hero-buttons .btn-gold,
        .hero-buttons .btn-ghost {
            flex: 1 1 100%;
            justify-content: center;
        }
        .cat-main-section h2 {
            font-size: 22px;
        }
        .accordion-button {
            font-size: 16px;
            padding: 1.2rem 0;
        }
        .accordion-body {
            font-size: 14px;
            padding: 0 0 1.2rem 0;
        }
        .cat-next-inner {
            flex-direction: column;
            gap: 0.8rem;
        }
        .cat-next-divider {
            display: none;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        .footer-bottom p {
            font-size: 12px;
        }
    }

    @media (max-width: 380px) {
        .brand-text {
            font-size: 15px;
            letter-spacing: 0.02em;
        }
        .brand-badge {
            width: 30px;
            height: 30px;
            font-size: 12px;
        }
        .nav-cta {
            padding: 0.45rem 1rem;
            font-size: 13px;
        }
    }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --bg-body: #0D0B16;
            --bg-alt: #12101F;
            --bg-card: #1A1729;
            --bg-deep: #0A0812;
            --gold: #F2B84B;
            --gold-light: #f7c76d;
            --cyan: #3DE0C8;
            --text-main: #E8E3F4;
            --text-sub: #B7ACCC;
            --text-mute: #7C7296;
            --border-gold: rgba(242, 184, 75, 0.16);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 0 1px rgba(242, 184, 75, 0.2), 0 20px 60px rgba(0, 0, 0, 0.5);
            --font-title: 'Noto Serif SC', 'Noto Sans SC', serif;
            --font-body: 'Noto Sans SC', 'Microsoft YaHei', sans-serif;
            --font-num: 'Barlow Condensed', 'Arial Narrow', sans-serif;
        }

        /* ===== 基础重置 ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            background: radial-gradient(ellipse at top, #161226 0%, #0D0B16 55%);
            background-attachment: fixed;
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.8;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            border: 0;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .3s ease;
        }
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--cyan);
            outline-offset: 3px;
            border-radius: 4px;
        }
        ul,
        ol {
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-title);
            font-weight: 700;
            line-height: 1.4;
            margin: 0;
        }
        p {
            margin: 0;
        }
        ::selection {
            background: rgba(242, 184, 75, 0.3);
            color: #fff;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 8, 18, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
        }
        .header-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            gap: 1rem;
            padding: 1rem 0;
        }
        .nav-left {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 2rem;
            padding-right: 2rem;
        }
        .nav-right {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 2rem;
            padding-left: 2rem;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: .65rem;
            text-decoration: none;
            flex-shrink: 0;
        }
        .brand-badge {
            width: 42px;
            height: 42px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(242, 184, 75, 0.65);
            border-radius: 10px;
            background: linear-gradient(135deg, rgba(242, 184, 75, 0.18), rgba(242, 184, 75, 0));
            color: var(--gold);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: .95rem;
            letter-spacing: .03em;
            position: relative;
            flex-shrink: 0;
        }
        .brand-badge::before {
            content: '';
            position: absolute;
            inset: 3px;
            border: 1px solid rgba(242, 184, 75, 0.35);
            border-radius: 7px;
            pointer-events: none;
        }
        .brand-text {
            font-family: var(--font-title);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: .04em;
            white-space: nowrap;
            line-height: 1;
        }
        .nav-link {
            position: relative;
            display: inline-block;
            color: var(--text-sub);
            font-size: .95rem;
            font-weight: 500;
            padding: .35rem 0;
            line-height: 1.5;
            letter-spacing: .02em;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--gold);
            transition: width .3s ease;
        }
        .nav-link:hover {
            color: var(--gold);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--gold);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--gold);
            color: var(--gold);
            border-radius: 50px;
            padding: .5rem 1.4rem;
            font-size: .92rem;
            font-weight: 500;
            transition: all .3s ease;
            background: transparent;
        }
        .nav-cta:hover {
            background: var(--gold);
            color: #12101F;
            box-shadow: 0 0 24px rgba(242, 184, 75, 0.4);
        }
        .navbar-toggler-custom {
            display: none;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            width: 42px;
            height: 42px;
            background: transparent;
            border: 1px solid var(--border-gold);
            border-radius: 10px;
            cursor: pointer;
            padding: 0;
            transition: border-color .3s ease;
        }
        .navbar-toggler-custom:hover {
            border-color: var(--gold);
        }
        .navbar-toggler-custom span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
            transition: width .2s ease;
        }
        .navbar-toggler-custom:hover span {
            width: 24px;
        }
        .mobile-nav {
            background: rgba(18, 16, 31, 0.98);
            border-top: 1px solid var(--border-gold);
            padding: 1rem 0;
        }
        .mobile-nav-link {
            display: block;
            padding: .85rem 1.25rem;
            color: var(--text-sub);
            font-size: 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: all .3s ease;
        }
        .mobile-nav-link:last-child {
            border-bottom: none;
        }
        .mobile-nav-link:hover {
            color: var(--gold);
            padding-left: 1.6rem;
        }
        .mobile-nav-link.active {
            color: var(--gold);
        }

        /* ===== 按钮 ===== */
        .btn-gold,
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .55rem;
            font-size: 1.02rem;
            font-weight: 500;
            border-radius: 50px;
            padding: .875rem 2.25rem;
            text-decoration: none;
            transition: all .3s ease;
            border: 1px solid transparent;
            white-space: nowrap;
            line-height: 1.4;
        }
        .btn-gold {
            background: var(--gold);
            color: #12101F;
            border-color: var(--gold);
        }
        .btn-gold:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            color: #12101F;
            box-shadow: 0 0 26px rgba(242, 184, 75, 0.5);
            transform: translateY(-1px);
        }
        .btn-gold:active {
            transform: translateY(2px);
            box-shadow: none;
        }
        .btn-outline-gold {
            background: transparent;
            color: var(--gold);
            border-color: var(--gold);
        }
        .btn-outline-gold:hover {
            background: rgba(242, 184, 75, 0.1);
            color: var(--gold-light);
            box-shadow: 0 0 22px rgba(242, 184, 75, 0.3);
            transform: translateY(-1px);
        }
        .btn-outline-gold:active {
            transform: translateY(2px);
        }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            padding: 5rem 0 4rem;
            min-height: 400px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border-gold);
            overflow: hidden;
        }
        .article-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            overflow: hidden;
        }
        .article-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(90deg, rgba(13, 11, 22, 0.92) 0%, rgba(18, 16, 31, 0.76) 45%, rgba(18, 16, 31, 0.35) 100%);
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-vii {
            position: absolute;
            right: 5%;
            top: 50%;
            transform: translateY(-50%);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: clamp(6rem, 18vw, 14rem);
            color: rgba(242, 184, 75, 0.07);
            pointer-events: none;
            letter-spacing: .05em;
            z-index: 2;
            line-height: 1;
            user-select: none;
        }
        .breadcrumbs {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: .5rem;
            font-size: .9rem;
            color: var(--text-sub);
            margin-bottom: 1.6rem;
        }
        .breadcrumbs a {
            color: var(--text-sub);
            transition: color .3s ease;
        }
        .breadcrumbs a:hover {
            color: var(--gold);
        }
        .bread-sep {
            color: var(--text-mute);
        }
        .bread-current {
            color: var(--text-main);
            max-width: 320px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .cat-tag {
            display: inline-flex;
            align-items: center;
            background: rgba(242, 184, 75, 0.12);
            border: 1px solid rgba(242, 184, 75, 0.4);
            color: var(--gold);
            border-radius: 50px;
            padding: .3rem 1.1rem;
            font-size: .8rem;
            font-weight: 500;
            letter-spacing: .08em;
            margin-bottom: 1.1rem;
        }
        .article-hero h1 {
            font-size: clamp(1.9rem, 4.2vw, 2.9rem);
            line-height: 1.35;
            max-width: 820px;
            margin-bottom: 1.4rem;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.45);
            color: #fff;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 1.4rem;
            color: var(--text-mute);
            font-size: .9rem;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: .45rem;
        }
        .meta-item svg {
            width: 16px;
            height: 16px;
            color: var(--gold);
            flex-shrink: 0;
        }

        /* ===== 正文区域 ===== */
        .article-body-wrap {
            padding: 3.5rem 0 2rem;
        }
        .article-content {
            max-width: 820px;
            margin: 0 auto;
            color: var(--text-main);
        }
        .article-content p {
            font-size: 1.0625rem;
            line-height: 1.9;
            margin-bottom: 1.6em;
            color: var(--text-main);
        }
        .article-content h2 {
            font-size: 1.7rem;
            margin: 2.5em 0 1em;
            position: relative;
            padding-left: 1.1em;
            color: #fff;
        }
        .article-content h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: .42em;
            width: .5em;
            height: .5em;
            background: var(--gold);
            transform: rotate(45deg);
            border-radius: 2px;
        }
        .article-content h3 {
            font-size: 1.35rem;
            margin: 2em 0 .8em;
            color: var(--gold);
        }
        .article-content h4 {
            font-size: 1.15rem;
            margin: 1.6em 0 .6em;
            color: #fff;
        }
        .article-content a {
            color: var(--cyan);
            border-bottom: 1px solid transparent;
            transition: border-color .3s ease;
        }
        .article-content a:hover {
            border-bottom-color: var(--cyan);
        }
        .article-content img {
            border-radius: var(--radius-md);
            max-width: 100%;
            height: auto;
            display: block;
            margin: 2rem auto;
            box-shadow: var(--shadow-card);
        }
        .article-content blockquote {
            margin: 2rem 0;
            padding: 1.25rem 1.5rem;
            border-left: 4px solid var(--gold);
            background: var(--bg-card);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-sub);
        }
        .article-content blockquote p {
            margin-bottom: 0;
            color: var(--text-sub);
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 1.6em;
            padding-left: 1.3em;
        }
        .article-content li {
            margin-bottom: .5em;
            color: var(--text-main);
        }
        .article-content table {
            width: 100%;
            margin: 2rem 0;
            border-collapse: collapse;
            font-size: .9rem;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-content th,
        .article-content td {
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: .75rem 1rem;
            text-align: left;
        }
        .article-content th {
            background: rgba(242, 184, 75, 0.14);
            color: var(--gold);
            font-weight: 600;
        }
        .article-content pre {
            background: var(--bg-card);
            padding: 1.25rem 1.5rem;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            border-left: 3px solid var(--cyan);
            margin: 2rem 0;
            font-size: .9rem;
            line-height: 1.7;
        }
        .article-content code {
            color: var(--cyan);
            font-family: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
            background: transparent;
        }
        .article-content iframe,
        .article-content video {
            width: 100%;
            max-width: 100%;
            border: none;
            border-radius: var(--radius-md);
            margin: 2rem 0;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 2.5rem 0 2.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            background: rgba(26, 23, 41, 0.25);
        }
        .related-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }
        .related-head h2 {
            font-size: 1.6rem;
            color: #fff;
        }
        .related-back {
            display: inline-flex;
            align-items: center;
            gap: .5rem;
            color: var(--text-sub);
            font-size: .9rem;
            transition: all .3s ease;
            border: 1px solid transparent;
            padding: .4rem 1rem;
            border-radius: 50px;
        }
        .related-back:hover {
            color: var(--gold);
            border-color: var(--border-gold);
        }
        .related-back svg {
            width: 16px;
            height: 16px;
            transition: transform .3s ease;
        }
        .related-back:hover svg {
            transform: translateX(4px);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            max-width: 980px;
            margin: 0 auto;
        }
        .related-card {
            display: flex;
            align-items: stretch;
            background: var(--bg-card);
            border: 1px solid rgba(242, 184, 75, 0.14);
            border-radius: 14px;
            overflow: hidden;
            text-decoration: none;
            transition: all .3s ease;
        }
        .related-card:hover {
            border-color: var(--gold);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }
        .related-thumb {
            flex: 0 0 120px;
            max-width: 120px;
            overflow: hidden;
            background: #0D0B16;
        }
        .related-thumb img {
            width: 100%;
            height: 100%;
            min-height: 110px;
            object-fit: cover;
            display: block;
            transition: transform .5s ease;
        }
        .related-card:hover .related-thumb img {
            transform: scale(1.06);
        }
        .related-info {
            flex: 1;
            padding: 1rem 1.2rem;
            display: flex;
            flex-direction: column;
            gap: .3rem;
            min-width: 0;
        }
        .rel-cat {
            font-size: .75rem;
            color: var(--gold);
            font-weight: 500;
            letter-spacing: .04em;
        }
        .related-info h3 {
            font-family: var(--font-body);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.55;
            margin: 0;
        }
        .related-info h3:hover {
            color: var(--gold);
        }
        .rel-date {
            font-size: .8rem;
            color: var(--text-mute);
            margin-top: auto;
            font-family: var(--font-num);
            letter-spacing: .04em;
        }

        /* ===== 轻量 CTA ===== */
        .article-cta-light {
            padding: 2.5rem 0 4rem;
            scroll-margin-top: 90px;
        }
        .cta-light-inner {
            max-width: 980px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.4rem;
            background: var(--bg-card);
            border: 1px solid rgba(242, 184, 75, 0.16);
            border-radius: 18px;
            padding: 1.5rem 2rem;
            transition: box-shadow .3s ease;
        }
        .cta-light-inner:hover {
            box-shadow: var(--shadow-card);
        }
        .cta-light-mark {
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 1.7rem;
            color: var(--gold);
            border-right: 1px solid rgba(242, 184, 75, 0.3);
            padding-right: 1.2rem;
            line-height: 1;
            white-space: nowrap;
        }
        .cta-light-text {
            margin: 0;
            font-size: 1rem;
            color: var(--text-main);
            line-height: 1.7;
        }
        .cta-light-action {
            flex-shrink: 0;
        }
        .cta-light-action .btn-outline-gold {
            padding: .65rem 1.6rem;
            font-size: .95rem;
        }

        /* ===== 内容未找到 ===== */
        .article-body-wrap.nf-wrap {
            padding: 5rem 0;
            min-height: 56vh;
            display: flex;
            align-items: center;
        }
        .article-notfound {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 3rem 1.5rem;
            border: 1px solid var(--border-gold);
            border-radius: var(--radius-lg);
            background: var(--bg-card);
            max-width: 560px;
            margin: 0 auto;
            min-height: 360px;
        }
        .nf-symbol {
            width: 68px;
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1.5px solid rgba(242, 184, 75, 0.65);
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(242, 184, 75, 0.14), rgba(242, 184, 75, 0));
            transform: rotate(45deg);
            margin-bottom: 1.8rem;
            position: relative;
        }
        .nf-symbol::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1px solid rgba(242, 184, 75, 0.3);
            border-radius: 12px;
        }
        .nf-symbol span {
            transform: rotate(-45deg);
            font-family: var(--font-num);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--gold);
            letter-spacing: .04em;
        }
        .article-notfound h1 {
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: .8rem;
        }
        .article-notfound p {
            color: var(--text-sub);
            font-size: .95rem;
            margin-bottom: 1.8rem;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            border-top: 1px solid var(--border-gold);
            padding: 4rem 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr;
            gap: 3rem;
            padding-bottom: 3rem;
        }
        .footer-brand .brand-logo {
            margin-bottom: 1rem;
        }
        .footer-brand p {
            color: var(--text-mute);
            font-size: .9rem;
            max-width: 340px;
            line-height: 1.8;
        }
        .footer-title {
            font-family: var(--font-body);
            color: var(--gold);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.4rem;
            letter-spacing: .05em;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: .75rem;
        }
        .footer-links a {
            color: var(--text-sub);
            font-size: .9rem;
            transition: all .3s ease;
            padding-left: 0;
        }
        .footer-links a:hover {
            color: var(--gold);
            padding-left: .3rem;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 1rem;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: .6rem;
            color: var(--text-sub);
            font-size: .9rem;
            line-height: 1.6;
        }
        .footer-contact svg {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
            color: var(--gold);
        }
        .footer-bottom {
            padding: 1.5rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }
        .footer-bottom p {
            margin: 0;
            color: var(--text-mute);
            font-size: .8rem;
            letter-spacing: .02em;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .header-grid {
                display: flex;
                justify-content: center;
                align-items: center;
                gap: 1rem;
                padding: .8rem 0;
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .navbar-toggler-custom {
                display: flex;
            }
            .brand-text {
                font-size: 1.2rem;
            }
            .article-hero {
                padding: 3.5rem 0 3rem;
                min-height: 320px;
            }
            .article-hero h1 {
                font-size: 1.9rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-light-inner {
                flex-wrap: wrap;
                justify-content: center;
                text-align: center;
                padding: 1.5rem;
            }
            .cta-light-mark {
                border-right: none;
                padding-right: 0;
                border-bottom: 1px solid rgba(242, 184, 75, 0.3);
                padding-bottom: .5rem;
                width: 100%;
                margin-bottom: .5rem;
            }
            .hero-vii {
                opacity: .4;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2.5rem;
            }
        }

        @media (max-width: 767.98px) {
            body {
                font-size: 15px;
            }
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
            .article-hero {
                padding: 2.5rem 0 2.5rem;
                min-height: 0;
            }
            .article-hero h1 {
                font-size: 1.55rem;
                line-height: 1.4;
                margin-bottom: 1.1rem;
            }
            .article-body-wrap {
                padding: 2.5rem 0 1.5rem;
            }
            .article-content p {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-thumb {
                flex: 0 0 92px;
                max-width: 92px;
            }
            .related-thumb img {
                min-height: 0;
            }
            .cta-light-inner {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 1rem;
            }
            .cta-light-mark {
                width: 100%;
                text-align: center;
                padding-bottom: .5rem;
                margin-bottom: 0;
            }
            .cta-light-action .btn-outline-gold {
                width: 100%;
            }
            .btn-gold {
                width: 100%;
                text-align: center;
            }
            .article-notfound {
                padding: 2.5rem 1rem;
                min-height: 300px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .hero-vii {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .brand-badge {
                width: 38px;
                height: 38px;
            }
            .brand-text {
                font-size: 1.1rem;
            }
            .article-hero h1 {
                font-size: 1.35rem;
            }
            .breadcrumbs {
                font-size: .82rem;
            }
            .article-meta {
                font-size: .82rem;
                gap: .8rem;
            }
            .related-card {
                flex-direction: row;
            }
            .related-thumb {
                flex: 0 0 80px;
                max-width: 80px;
            }
        }