/* roulang page: index */
:root {
            --color-primary: #1a2a4a;
            --color-primary-dark: #0f1b30;
            --color-accent: #c8963e;
            --color-accent-light: #e0b860;
            --color-accent-dark: #a07828;
            --color-bg: #ffffff;
            --color-bg-alt: #f5f3ef;
            --color-bg-dark: #1a2a4a;
            --color-bg-card: #ffffff;
            --color-text: #1a1a1a;
            --color-text-soft: #5a5a5a;
            --color-text-light: #888888;
            --color-text-on-dark: #e8e6e0;
            --color-border: #e0dcd5;
            --color-border-light: #eeebe6;
            --color-success: #2d7d46;
            --color-warning: #c8963e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 10px 30px rgba(0, 0, 0, 0.14);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Serif SC', 'STSong', serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --section-gap: 80px;
            --container-max: 1240px;
            --container-narrow: 960px;
            --nav-height: 70px;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }
        input {
            font-family: inherit;
            font-size: inherit;
        }

        ul {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

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

        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
        }
        .nav-group--left {
            justify-content: flex-end;
            padding-right: 10px;
        }
        .nav-group--right {
            justify-content: flex-start;
            padding-left: 10px;
        }

        .nav-logo-wrap {
            flex-shrink: 0;
            text-align: center;
            padding: 0 16px;
        }
        .nav-logo {
            font-family: var(--font-display);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color var(--transition-fast);
            display: inline-block;
            line-height: 1;
        }
        .nav-logo:hover {
            color: var(--color-accent);
        }
        .nav-logo .logo-accent {
            color: var(--color-accent);
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-link:hover {
            color: var(--color-accent);
            background: rgba(200, 150, 62, 0.06);
        }
        .nav-link:active {
            transform: scale(0.96);
        }
        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 22px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        /* Hamburger */
        .nav-hamburger {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            z-index: 1001;
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: var(--color-primary);
            border-radius: 3px;
            transition: all var(--transition-base);
            transform-origin: center;
        }
        .nav-hamburger.is-open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }
        .nav-hamburger.is-open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }
        .nav-hamburger.is-open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Mobile Nav Overlay */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            z-index: 999;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            padding-top: 40px;
            gap: 8px;
        }
        .mobile-nav-overlay.is-open {
            display: flex;
        }
        .mobile-nav-overlay .nav-link {
            font-size: 1.15rem;
            padding: 14px 24px;
            width: 80%;
            text-align: center;
            border-radius: var(--radius-md);
        }
        .mobile-nav-overlay .nav-link.active {
            background: rgba(200, 150, 62, 0.1);
            color: var(--color-accent);
        }

        /* Section base */
        .section {
            padding: var(--section-gap) 0;
        }
        .section--alt {
            background: var(--color-bg-alt);
        }
        .section--dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section--dark h2,
        .section--dark h3 {
            color: #ffffff;
        }
        .section--dark .section-subtitle {
            color: #c8c0b4;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 600px;
            display: flex;
            align-items: center;
            background: var(--color-primary) url('assets/images/backpic/back-1.webp') center / cover no-repeat;
            background-blend-mode: overlay;
            color: #ffffff;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 27, 48, 0.72) 0%, rgba(26, 42, 74, 0.85) 60%, rgba(15, 27, 48, 0.92) 100%);
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content {
            padding: 40px 0;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.85);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
        }
        .hero-title {
            font-family: var(--font-display);
            font-size: 3rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 1px;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .hero-title .accent {
            color: var(--color-accent-light);
        }
        .hero-desc {
            font-size: 1.08rem;
            line-height: 1.8;
            color: #d8d4cb;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-image-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(4px);
        }
        .hero-image-card img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.98rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-base);
            white-space: nowrap;
            cursor: pointer;
            border: 2px solid transparent;
        }
        .btn--primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
        }
        .btn--primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn--outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
        }
        .btn--outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transform: translateY(-2px);
        }
        .btn--dark {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn--dark:hover {
            background: var(--color-primary-dark);
            border-color: var(--color-primary-dark);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn--accent-outline {
            background: transparent;
            color: var(--color-accent);
            border-color: var(--color-accent);
        }
        .btn--accent-outline:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .btn:active {
            transform: scale(0.96);
        }

        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            border-radius: 0 0 4px 4px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .stat-card:hover::before {
            opacity: 1;
        }
        .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Cards grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cards-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 18px;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 150, 62, 0.1);
            padding: 4px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 6px;
            line-height: 1.4;
            color: var(--color-primary);
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            margin-top: 10px;
            transition: gap var(--transition-fast);
        }
        .card-link:hover {
            gap: 9px;
            color: var(--color-accent-dark);
        }

        /* Brand Story */
        .brand-story {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .brand-story-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }
        .brand-story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-story-content h3 {
            font-size: 1.7rem;
            margin-bottom: 16px;
            font-family: var(--font-display);
        }
        .brand-story-content p {
            color: var(--color-text-soft);
            line-height: 1.85;
            margin-bottom: 14px;
            font-size: 0.98rem;
        }

        /* Partners */
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 36px;
            opacity: 0.7;
        }
        .partner-item {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--color-text-light);
            letter-spacing: 0.5px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .partner-item:hover {
            color: var(--color-accent);
            opacity: 1;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--color-accent);
            opacity: 0.3;
            position: absolute;
            top: 12px;
            left: 16px;
            line-height: 1;
            font-family: serif;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
            padding-top: 10px;
            position: relative;
            z-index: 1;
        }
        .testimonial-author {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }
        .faq-item.is-open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
            color: var(--color-text-soft);
            line-height: 1.75;
            font-size: 0.93rem;
        }
        .faq-item.is-open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        /* News */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .news-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
        }
        .news-card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 6px;
        }
        .news-title {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-summary {
            font-size: 0.86rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 10px;
        }
        .news-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-accent);
            align-self: flex-start;
            transition: color var(--transition-fast);
        }
        .news-link:hover {
            color: var(--color-accent-dark);
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 64px 0;
        }
        .cta-section .section-title {
            margin-bottom: 12px;
        }
        .cta-section .section-subtitle {
            margin-bottom: 28px;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 14px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary-dark);
            color: #b8b4aa;
            padding: 48px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: #a09a8e;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: #a09a8e;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #777068;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-image-card {
                max-width: 420px;
                margin: 0 auto;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .hero {
                min-height: auto;
                padding: 40px 0;
            }
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-story {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-group {
                display: none;
            }
            .nav-hamburger {
                display: flex;
            }
            .site-header .container {
                justify-content: space-between;
            }
            .nav-logo-wrap {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                padding: 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            :root {
                --section-gap: 56px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .cards-grid,
            .cards-grid--3 {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .news-list {
                grid-template-columns: 1fr 1fr;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            :root {
                --section-gap: 44px;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .cards-grid,
            .cards-grid--3 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-buttons .btn {
                justify-content: center;
                text-align: center;
            }
            .btn {
                padding: 11px 20px;
                font-size: 0.9rem;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .brand-story-content h3 {
                font-size: 1.35rem;
            }
            .partners-row {
                gap: 16px;
            }
            .partner-item {
                font-size: 0.9rem;
                padding: 8px 12px;
            }
            :root {
                --section-gap: 36px;
                --nav-height: 60px;
            }
            .nav-logo {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #243660;
            --color-primary-dark: #0F1A30;
            --color-accent: #C8963E;
            --color-accent-light: #D9AE5C;
            --color-accent-dark: #A67A2E;
            --color-warm: #D4783B;
            --color-bg: #FFFFFF;
            --color-bg-alt: #F6F5F3;
            --color-bg-card: #FFFFFF;
            --color-bg-dark: #1B2A4A;
            --color-text: #2D2A26;
            --color-text-light: #6B6560;
            --color-text-muted: #9A948E;
            --color-text-on-dark: #F0EDE8;
            --color-border: #E5E2DE;
            --color-border-light: #F0EDE8;
            --color-success: #3A7D5A;
            --color-danger: #C0392B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.14), 0 6px 20px rgba(0, 0, 0, 0.08);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1240px;
            --header-height: 72px;
            --nav-height-mobile: 60px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 24px;
        }

        .header-logo {
            flex-shrink: 0;
            font-size: 1.35rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            color: var(--color-primary);
            white-space: nowrap;
            z-index: 1001;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
        }
        .header-logo:hover {
            color: var(--color-accent);
        }
        .header-logo i {
            color: var(--color-accent);
            font-size: 1.3rem;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 9px 16px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: #F6F5F3;
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: var(--radius-full);
        }
        .nav-link--active {
            color: #FFFFFF;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: var(--shadow-sm);
        }
        .nav-link--active:hover {
            color: #FFFFFF;
            background: var(--color-primary-light);
        }

        .mobile-menu-toggle {
            display: none;
            z-index: 1001;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            background: #FFFFFF;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            background: #F6F5F3;
            border-color: var(--color-text-light);
        }
        .mobile-menu-toggle:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.45);
            z-index: 998;
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .mobile-nav-overlay--open {
            display: block;
            opacity: 1;
        }

        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100vh;
            background: #FFFFFF;
            z-index: 999;
            padding: 28px 24px;
            flex-direction: column;
            gap: 10px;
            box-shadow: var(--shadow-xl);
            transition: right var(--transition-slow);
            overflow-y: auto;
        }
        .mobile-nav-panel--open {
            right: 0;
        }
        .mobile-nav-panel .nav-link {
            display: flex;
            width: 100%;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            font-size: 1.05rem;
            justify-content: flex-start;
        }
        .mobile-nav-panel .nav-link--active {
            background: var(--color-primary);
            color: #FFFFFF;
        }
        .mobile-nav-close {
            align-self: flex-end;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            background: #FFFFFF;
            transition: all var(--transition-fast);
            margin-bottom: 8px;
        }
        .mobile-nav-close:hover {
            background: #F6F5F3;
            border-color: var(--color-text-light);
        }

        @media (max-width: 920px) {
            .nav-group--desktop {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .mobile-nav-panel {
                display: flex;
            }
            .site-header .container {
                gap: 14px;
            }
            .header-logo {
                font-size: 1.2rem;
            }
        }

        /* ========== HERO ========== */
        .page-hero {
            position: relative;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 35%;
            background-repeat: no-repeat;
            padding: 90px 0 80px;
            color: #FFFFFF;
            text-align: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 26, 48, 0.78) 0%, rgba(27, 42, 74, 0.88) 60%, rgba(15, 26, 48, 0.94) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero__badge {
            display: inline-block;
            background: var(--color-accent);
            color: #FFFFFF;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }
        .page-hero__title {
            font-size: 2.8rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
            line-height: 1.25;
            color: #FFFFFF;
        }
        .page-hero__subtitle {
            font-size: 1.15rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .page-hero__cta-row {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 60px 0 50px;
            }
            .page-hero__title {
                font-size: 2rem;
            }
            .page-hero__subtitle {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero__title {
                font-size: 1.6rem;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
            text-align: center;
            justify-content: center;
            line-height: 1.3;
            border: 2px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }
        .btn--primary {
            background: var(--color-accent);
            color: #FFFFFF;
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }
        .btn--primary:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn--outline {
            background: transparent;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn--outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #FFFFFF;
        }
        .btn--solid-dark {
            background: var(--color-primary);
            color: #FFFFFF;
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .btn--solid-dark:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-light);
            box-shadow: var(--shadow-lg);
            transform: translateY(-1px);
        }
        .btn--lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 70px 0;
        }
        .section--alt {
            background: var(--color-bg-alt);
        }
        .section--dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section__header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section__label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent);
            margin-bottom: 8px;
        }
        .section__title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--color-text);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .section--dark .section__title {
            color: #FFFFFF;
        }
        .section__desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section--dark .section__desc {
            color: rgba(255, 255, 255, 0.7);
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section__title {
                font-size: 1.55rem;
            }
            .section__header {
                margin-bottom: 32px;
            }
        }

        /* ========== LEAGUE CARDS GRID ========== */
        .leagues-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        @media (max-width: 1024px) {
            .leagues-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .leagues-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        .league-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            height: 100%;
            border: 1px solid var(--color-border-light);
        }
        .league-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .league-card__img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: #E5E2DE;
        }
        .league-card__img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .league-card:hover .league-card__img-wrap img {
            transform: scale(1.06);
        }
        .league-card__badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #FFFFFF;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            z-index: 2;
        }
        .league-card__body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .league-card__title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            letter-spacing: 0.01em;
        }
        .league-card__stats {
            display: flex;
            gap: 16px;
            margin-bottom: 10px;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: var(--color-text-light);
        }
        .league-card__stats span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .league-card__stats i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }
        .league-card__desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .league-card__link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
            align-self: flex-start;
            padding: 6px 0;
            border-bottom: 2px solid transparent;
        }
        .league-card__link:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }
        .league-card__link i {
            transition: transform var(--transition-fast);
        }
        .league-card__link:hover i {
            transform: translateX(3px);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 480px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }
        .stat-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-card__icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        .stat-card__number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            line-height: 1.1;
            margin-bottom: 4px;
        }
        .stat-card__label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border);
            background: #FFFFFF;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.95rem;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #FFFFFF;
            padding: 15px 18px;
            text-align: left;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .comparison-table tbody td {
            padding: 13px 18px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
            vertical-align: middle;
        }
        .comparison-table tbody tr:hover {
            background: #FAF9F7;
        }
        .comparison-table .league-name-cell {
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .comparison-table .rating-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            margin-right: 2px;
        }
        .rating-dot--high {
            background: #3A7D5A;
        }
        .rating-dot--mid {
            background: #C8963E;
        }
        .rating-dot--low {
            background: #C0392B;
        }

        /* ========== INSIGHT BLOCK ========== */
        .insight-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .insight-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .insight-block__img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
        }
        .insight-block__img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .insight-block__content h3 {
            font-size: 1.55rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
            letter-spacing: 0.01em;
            line-height: 1.35;
        }
        .insight-block__content p {
            color: var(--color-text-light);
            line-height: 1.75;
            margin-bottom: 14px;
            font-size: 0.98rem;
        }
        .insight-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .insight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
            line-height: 1.5;
        }
        .insight-list li i {
            color: var(--color-accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            text-align: left;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
            line-height: 1.5;
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: -2px;
            border-radius: var(--radius-lg);
        }
        .faq-icon {
            flex-shrink: 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-normal);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F6F5F3;
        }
        .faq-item--open .faq-icon {
            transform: rotate(180deg);
            background: var(--color-accent);
            color: #FFFFFF;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
            color: var(--color-text-light);
            font-size: 0.93rem;
            line-height: 1.75;
        }
        .faq-item--open .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-dark);
            color: #FFFFFF;
            text-align: center;
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.12);
            z-index: 0;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== HIGHLIGHT BOX ========== */
        .highlight-box {
            background: linear-gradient(135deg, #FFFDF7 0%, #FFF9ED 100%);
            border: 1px solid #E8D5A8;
            border-radius: var(--radius-lg);
            padding: 32px 36px;
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }
        @media (max-width: 600px) {
            .highlight-box {
                padding: 22px 20px;
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
        }
        .highlight-box__icon {
            font-size: 2.6rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .highlight-box__text h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .highlight-box__text p {
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1A1A18;
            color: #C5C0B8;
            padding: 52px 0 28px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            color: #A09A8E;
            line-height: 1.7;
            font-size: 0.88rem;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #A09A8E;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            color: #7A746A;
            font-size: 0.82rem;
            letter-spacing: 0.02em;
        }
        footer .fa-solid,
        footer .fa-envelope,
        footer .fa-clock {
            margin-right: 5px;
            color: #A09A8E;
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a3550;
            --color-primary-light: #2c5a80;
            --color-accent: #c8963e;
            --color-accent-light: #e0b865;
            --color-accent-dark: #a67a2e;
            --color-bg: #ffffff;
            --color-bg-alt: #f6f3ec;
            --color-bg-card: #ffffff;
            --color-bg-dark: #1a2d3d;
            --color-text: #2a2a2a;
            --color-text-light: #5c5c5c;
            --color-text-muted: #8a8580;
            --color-text-on-dark: #e8e4dd;
            --color-border: #e2ddd4;
            --color-border-light: #f0ece5;
            --color-success: #3b8c5a;
            --color-warning: #d4833a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 4px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 3px 14px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 6px 28px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.12);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--nav-height);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
        }

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

        ul {
            list-style: none;
        }

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

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .header-logo {
            flex-shrink: 0;
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            white-space: nowrap;
        }

        .header-logo .logo-accent {
            color: var(--color-accent);
            margin-left: 2px;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 9px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: all 0.22s ease;
            white-space: nowrap;
            position: relative;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: #f5f2eb;
        }

        .nav-link.active {
            color: var(--color-accent-dark);
            background: #fdf9f0;
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
        }

        .nav-link--home {
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            transition: background 0.2s;
        }
        .mobile-menu-toggle:hover {
            background: #f5f2eb;
        }

        /* Page Banner */
        .page-banner {
            background: linear-gradient(170deg, #1a3550 0%, #1e3f5e 30%, #234a6e 60%, #1a3a54 100%);
            padding: 50px 0 54px;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: #e0d5c0;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            color: #ffffff;
        }

        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: #c8d6e3;
            max-width: 640px;
            line-height: 1.7;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: #b0c0d0;
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: #c8d6e3;
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #ffffff;
        }
        .breadcrumb .sep {
            color: #6b8099;
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: #e0d5c0;
            font-weight: 500;
        }

        /* Main */
        .site-main {
            flex: 1;
            padding-bottom: var(--section-gap);
        }

        /* Section */
        .section {
            padding: 56px 0;
        }
        .section--alt {
            background: var(--color-bg-alt);
        }
        .section--dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-family: var(--font-heading);
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section--dark .section-header h2 {
            color: #ffffff;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 540px;
            margin: 0 auto;
        }
        .section--dark .section-header .section-subtitle {
            color: #b8b0a4;
        }
        .section-header .accent-line {
            display: block;
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }

        /* Cards grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .cards-grid--3col {
            grid-template-columns: repeat(3, 1fr);
        }
        .cards-grid--2col {
            grid-template-columns: repeat(2, 1fr);
        }

        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.28s ease;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: #d8d0c0;
        }
        .card .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
            background: #fef9f0;
            color: var(--color-accent-dark);
        }
        .card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .card p {
            font-size: 0.94rem;
            color: var(--color-text-light);
            line-height: 1.7;
            flex: 1;
        }
        .card .card-link {
            font-weight: 600;
            color: var(--color-accent-dark);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: auto;
            transition: gap 0.2s;
        }
        .card .card-link:hover {
            gap: 9px;
            color: var(--color-primary-light);
        }

        /* Info row with image */
        .info-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 44px;
            align-items: center;
        }
        .info-row.reverse {
            direction: rtl;
        }
        .info-row.reverse>* {
            direction: ltr;
        }
        .info-row .info-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .info-row .info-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .info-row .info-content h3 {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            line-height: 1.3;
        }
        .info-row .info-content p {
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .info-row .info-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .info-row .info-tag {
            background: #fef9f0;
            color: var(--color-accent-dark);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid #f0e5d0;
        }

        /* Data highlight row */
        .data-highlights {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-highlight {
            text-align: center;
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 16px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.28s ease;
        }
        .data-highlight:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-highlight .data-number {
            font-family: var(--font-heading);
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            line-height: 1.1;
        }
        .data-highlight .data-unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-accent);
        }
        .data-highlight .data-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }

        /* Table style */
        .table-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .styled-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.94rem;
            min-width: 600px;
        }
        .styled-table thead th {
            background: #faf7f0;
            padding: 14px 16px;
            text-align: left;
            font-weight: 650;
            color: var(--color-primary);
            border-bottom: 2px solid var(--color-border);
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .styled-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-light);
            vertical-align: top;
        }
        .styled-table tbody tr:hover {
            background: #fdfcf8;
        }
        .styled-table tbody tr:last-child td {
            border-bottom: none;
        }
        .odds-value {
            font-weight: 650;
            color: var(--color-primary);
            font-family: var(--font-heading);
        }
        .odds-change-up {
            color: #c0392b;
            font-weight: 600;
        }
        .odds-change-down {
            color: #27ae60;
            font-weight: 600;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all 0.25s ease;
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: #d8d0c0;
        }
        .faq-item summary {
            padding: 18px 22px;
            font-weight: 650;
            font-size: 1rem;
            cursor: pointer;
            color: var(--color-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            user-select: none;
            letter-spacing: 0.01em;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary .faq-arrow {
            transition: transform 0.3s ease;
            font-size: 0.8rem;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 22px 18px;
            color: var(--color-text-light);
            line-height: 1.8;
            font-size: 0.94rem;
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 52px 0;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .cta-section p {
            color: var(--color-text-muted);
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 22px rgba(200, 150, 62, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #ffffff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: 34px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }

        /* Footer */
        .site-footer {
            background: #1a2d3d;
            color: #c5bfb4;
            padding: 48px 0 0;
            margin-top: auto;
            font-size: 0.92rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.35rem;
            font-weight: 700;
            color: #e8e4dd;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            color: #a8a29a;
            line-height: 1.7;
            font-size: 0.88rem;
        }
        .footer-col h4 {
            color: #d8d3c8;
            font-size: 0.95rem;
            font-weight: 650;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 9px;
        }
        .footer-col ul li a {
            color: #b0a99e;
            transition: color 0.2s;
            font-size: 0.9rem;
        }
        .footer-col ul li a:hover {
            color: #e0d5c0;
        }
        .footer-col ul li span {
            font-size: 0.9rem;
        }
        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            color: #8a8378;
            font-size: 0.83rem;
            line-height: 1.6;
        }
        .footer-bottom p {
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid--3col {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-highlights {
                grid-template-columns: repeat(2, 1fr);
            }
            .info-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .info-row.reverse {
                direction: ltr;
            }
            .info-row .info-image {
                order: -1;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 60px;
                --section-gap: 40px;
            }
            .container {
                padding: 0 18px;
            }
            .site-header .container {
                flex-wrap: wrap;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 12px 18px;
                border-bottom: 2px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
                gap: 2px;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-group {
                flex-direction: column;
                width: 100%;
                gap: 2px;
            }
            .nav-link {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-link.active::after {
                display: none;
            }
            .nav-link.active {
                border-left: 3px solid var(--color-accent);
                border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            }
            .cards-grid--3col,
            .cards-grid--2col {
                grid-template-columns: 1fr;
            }
            .data-highlights {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .page-banner {
                padding: 36px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .info-row .info-content h3 {
                font-size: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .data-highlights {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .data-highlight {
                padding: 20px 12px;
            }
            .data-highlight .data-number {
                font-size: 1.8rem;
            }
            .btn-lg {
                padding: 13px 26px;
                font-size: 0.95rem;
            }
            .section {
                padding: 36px 0;
            }
            .card {
                padding: 20px 18px;
            }
            .faq-item summary {
                padding: 14px 16px;
                font-size: 0.93rem;
            }
            .faq-item .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.88rem;
            }
            .styled-table {
                font-size: 0.82rem;
            }
            .styled-table thead th,
            .styled-table tbody td {
                padding: 10px 10px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #243660;
            --color-accent: #C8A96E;
            --color-accent-hover: #b8944f;
            --color-accent-light: #f0e6d0;
            --color-bg: #FAFAFA;
            --color-white: #FFFFFF;
            --color-text: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-border-light: #F1F5F9;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-error: #EF4444;
            --color-footer-bg: #0F172A;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.09), 0 4px 8px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 16px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

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

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            transition: all var(--transition-base);
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul {
            list-style: none;
        }

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

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            gap: 16px;
        }

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

        .nav-group--left {
            flex: 1;
            justify-content: flex-end;
            padding-right: 12px;
        }

        .nav-group--right {
            flex: 1;
            justify-content: flex-start;
            padding-left: 12px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(27, 42, 74, 0.04);
        }

        .nav-link.active {
            color: var(--color-accent);
            font-weight: 600;
            background: rgba(200, 169, 110, 0.08);
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .header-logo {
            flex-shrink: 0;
            text-align: center;
        }

        .header-logo a {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.03em;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
        }

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

        .header-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-size: 1rem;
            font-weight: 700;
            flex-shrink: 0;
            letter-spacing: 0;
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--color-text);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .mobile-menu-toggle:hover {
            background: var(--color-border-light);
        }

        /* 移动端导航覆盖层 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .mobile-nav-overlay.show {
            opacity: 1;
        }

        .mobile-nav-panel {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            max-width: 85vw;
            height: 100%;
            background: var(--color-white);
            z-index: 1001;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: right var(--transition-slow);
            box-shadow: var(--shadow-xl);
            overflow-y: auto;
        }

        .mobile-nav-panel.show {
            right: 0;
        }

        .mobile-nav-panel .nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid transparent;
        }

        .mobile-nav-panel .nav-link.active {
            border-color: var(--color-accent-light);
            background: rgba(200, 169, 110, 0.06);
        }

        .mobile-nav-close {
            align-self: flex-end;
            font-size: 1.4rem;
            color: var(--color-text-secondary);
            padding: 8px;
            border-radius: 50%;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .mobile-nav-close:hover {
            background: var(--color-border-light);
            color: var(--color-text);
        }

        @media (max-width: 1024px) {
            .nav-group--left,
            .nav-group--right {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .header-inner {
                justify-content: space-between;
            }
            .header-logo {
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
            }
            .mobile-nav-overlay {
                display: block;
                pointer-events: none;
            }
            .mobile-nav-overlay.show {
                pointer-events: auto;
            }
        }

        @media (max-width: 520px) {
            .header-logo a {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.85rem;
            }
            :root {
                --header-height: 60px;
            }
        }

        /* ========== MAIN ========== */
        .main-content {
            flex: 1;
            padding-top: 0;
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 80px 0;
            min-height: 340px;
            display: flex;
            align-items: center;
            z-index: 0;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 42, 74, 0.88) 0%, rgba(15, 23, 42, 0.75) 60%, rgba(27, 42, 74, 0.82) 100%);
            z-index: 1;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-bg), transparent);
            z-index: 2;
        }

        .page-banner .container {
            position: relative;
            z-index: 3;
        }

        .page-banner-content {
            max-width: 720px;
        }

        .banner-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }

        .banner-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }

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

        .banner-breadcrumb .separator {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.7rem;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.65;
            max-width: 600px;
        }

        .banner-accent-dot {
            display: inline-block;
            width: 10px;
            height: 10px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-right: 8px;
            vertical-align: middle;
            position: relative;
            top: -2px;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 56px 0;
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .page-banner {
                padding: 44px 0;
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--color-accent);
            background: var(--color-accent-light);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .section-header p {
            color: var(--color-text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.6rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== INTRO TEXT BLOCK ========== */
        .intro-text-block {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            max-width: 900px;
            margin: 0 auto;
        }

        .intro-text-block p {
            color: var(--color-text-secondary);
            line-height: 1.8;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .intro-text-block p:last-child {
            margin-bottom: 0;
        }

        .intro-text-block .highlight {
            color: var(--color-accent);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .intro-text-block {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
        }

        /* ========== TIPS CARDS GRID ========== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

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

        .tip-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }

        .tip-card-image-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background: var(--color-border-light);
        }

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

        .tip-card:hover .tip-card-image-wrap img {
            transform: scale(1.04);
        }

        .tip-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            z-index: 2;
            box-shadow: 0 2px 8px rgba(200, 169, 110, 0.35);
        }

        .tip-card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .tip-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
            line-height: 1.4;
        }

        .tip-card-body p {
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.65;
            flex: 1;
            margin-bottom: 16px;
        }

        .tip-card-meta {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        .tip-card-meta i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        @media (max-width: 768px) {
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .tip-card-body {
                padding: 18px 16px 20px;
            }
            .tip-card-body h3 {
                font-size: 1.08rem;
            }
        }

        /* ========== DETAILED GUIDE SECTION ========== */
        .guide-detail-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: start;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }

        .guide-detail-image img {
            width: 100%;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
        }

        .guide-detail-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .guide-detail-text p {
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 14px;
            font-size: 0.98rem;
        }

        .guide-detail-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 8px;
        }

        .guide-detail-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            line-height: 1.55;
        }

        .guide-detail-list li i {
            color: var(--color-accent);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .guide-detail-block {
                grid-template-columns: 1fr;
                padding: 28px 20px;
                gap: 24px;
            }
            .guide-detail-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-accent-light);
        }

        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.02em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .stat-icon {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 10px;
            display: block;
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 1.9rem;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
            background: #FAFAFA;
        }

        .faq-item:hover {
            border-color: var(--color-accent-light);
            background: #FFF;
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            text-align: left;
            gap: 12px;
            letter-spacing: 0.01em;
            background: transparent;
            border: none;
            cursor: pointer;
        }

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

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            .faq-section {
                padding: 28px 16px;
                border-radius: var(--radius-md);
            }
            .faq-question {
                padding: 16px 16px;
                font-size: 0.95rem;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, #243660 50%, var(--color-primary) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(200, 169, 110, 0.1);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(200, 169, 110, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section>* {
            position: relative;
            z-index: 2;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 550px;
            margin: 0 auto 28px;
            line-height: 1.65;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-base);
            cursor: pointer;
            text-align: center;
            justify-content: center;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1B2A4A;
            box-shadow: 0 4px 16px rgba(200, 169, 110, 0.35);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(200, 169, 110, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: #FFFFFF;
            border: 2px solid rgba(255, 255, 255, 0.35);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }

        .btn-group-wrap {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.45rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-footer-bg);
            color: #CBD5E1;
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .footer-desc {
            font-size: 0.9rem;
            color: #94A3B8;
            line-height: 1.65;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

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

        .footer-col ul li a,
        .footer-col ul li span {
            font-size: 0.9rem;
            color: #94A3B8;
            transition: color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.82rem;
            color: #64748B;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

/* roulang page: category1 */
:root {
            --primary-dark: #1a2a4a;
            --primary: #1e3558;
            --primary-light: #2c4a7c;
            --accent: #c9a96e;
            --accent-light: #d4b98a;
            --accent-dark: #b8944f;
            --bg-white: #ffffff;
            --bg-light: #f8f7f5;
            --bg-lighter: #fafaf9;
            --bg-dark: #0f1a2e;
            --text-dark: #1a1a1a;
            --text-body: #2c3e50;
            --text-muted: #6c757d;
            --text-light: #a09a8e;
            --text-white: #f0ede8;
            --border: #e5e2dd;
            --border-light: #ebe7e2;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 18px rgba(201, 169, 110, 0.22);
            --transition: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Noto Sans SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1260px;
            --nav-height: 72px;
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background-color: var(--bg-white);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            letter-spacing: 0.01em;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent-dark);
        }

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
            font-size: 15px;
        }

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

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            height: var(--nav-height);
            display: flex;
            align-items: center;
        }

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

        .header-logo {
            flex-shrink: 0;
        }
        .header-logo a {
            font-family: var(--font-heading);
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.04em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .header-logo a:hover {
            color: var(--primary);
        }
        .header-logo .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        .nav-group {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-group--left {
            margin-right: auto;
            margin-left: 40px;
        }
        .nav-group--right {
            margin-left: auto;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.02em;
            text-decoration: none;
            position: relative;
        }
        .nav-link:hover {
            color: var(--accent-dark);
            background: rgba(201, 169, 110, 0.08);
        }
        .nav-link.active {
            color: var(--accent-dark);
            font-weight: 600;
            background: rgba(201, 169, 110, 0.12);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 16px;
            right: 16px;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            font-size: 0.92rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border-radius: 25px;
            transition: all var(--transition);
            white-space: nowrap;
            text-decoration: none;
            box-shadow: var(--shadow-sm);
        }
        .nav-cta:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            background: linear-gradient(160deg, #1a2a4a 0%, #1e3558 30%, #2c4a7c 70%, #1a2a4a 100%);
            color: #fff;
            padding: 70px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.08);
            pointer-events: none;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.06);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(201, 169, 110, 0.2);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }
        .page-banner h1 {
            font-family: var(--font-heading);
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .page-banner .banner-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin: 0 auto;
            line-height: 1.8;
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
        }

        .section {
            padding: 60px 0;
        }
        .section-light {
            background: var(--bg-light);
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-dark);
            text-align: center;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.98rem;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .cards-grid--3 {
            grid-template-columns: repeat(3, 1fr);
        }

        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border);
        }
        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(201, 169, 110, 0.13);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card h3 {
            font-family: var(--font-heading);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .card p {
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.65;
        }
        .card-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: rgba(201, 169, 110, 0.12);
            padding: 4px 12px;
            border-radius: 14px;
            margin-top: 12px;
            letter-spacing: 0.03em;
        }

        /* Detail list */
        .tips-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .tips-list li {
            background: #fff;
            border-radius: var(--radius);
            padding: 22px 26px;
            border-left: 4px solid var(--accent);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .tips-list li:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--accent-dark);
        }
        .tips-list .tip-num {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .tips-list .tip-content h4 {
            font-family: var(--font-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 4px;
        }
        .tips-list .tip-content p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Stats row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-num {
            font-family: var(--font-heading);
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--accent-dark);
            letter-spacing: 0.02em;
        }
        .stat-label {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-family: var(--font-heading);
            letter-spacing: 0.02em;
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition);
            color: var(--accent);
            flex-shrink: 0;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, #1a2a4a 0%, #1e3558 50%, #2c4a7c 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -100px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.07);
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 1.9rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.78);
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 34px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            border: none;
            border-radius: 28px;
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            box-shadow: var(--shadow-accent);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(201, 169, 110, 0.35);
        }
        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 28px;
            cursor: pointer;
            text-decoration: none;
            letter-spacing: 0.03em;
            transition: all var(--transition);
            margin-left: 12px;
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1a2e;
            color: var(--text-white);
            padding: 48px 0 28px;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 30px;
            margin-bottom: 32px;
        }
        .footer-brand {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        .footer-col h4 {
            font-family: var(--font-heading);
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: var(--text-light);
            font-size: 0.9rem;
            text-decoration: none;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-light);
            letter-spacing: 0.02em;
        }
        .footer-col i {
            margin-right: 6px;
            color: var(--accent-light);
            width: 16px;
            text-align: center;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .cards-grid--3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .nav-group--left {
                margin-left: 18px;
                gap: 2px;
            }
            .nav-link {
                padding: 9px 11px;
                font-size: 0.88rem;
            }
            .page-banner h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
                justify-content: space-between;
            }
            .nav-group--left,
            .nav-group--right {
                display: none;
            }
            .nav-group--left.nav-open,
            .nav-group--right.nav-open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border-light);
                padding: 12px 20px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                z-index: 999;
                margin: 0;
            }
            .nav-group--right.nav-open {
                top: calc(var(--nav-height) + 200px);
                border-bottom: none;
                padding-top: 0;
            }
            .mobile-menu-btn {
                display: block;
            }
            .cards-grid--3 {
                grid-template-columns: 1fr;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .page-banner {
                padding: 40px 0 36px;
            }
            .page-banner h1 {
                font-size: 1.6rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .tips-list li {
                flex-direction: column;
                gap: 10px;
            }
            .btn-outline-light {
                margin-left: 0;
                margin-top: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-banner h1 {
                font-size: 1.35rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stat-num {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .header-logo a {
                font-size: 1.2rem;
            }
        }