/* roulang page: index */
:root {
            --bg-primary: #F4F8FC;
            --surface: #FFFFFF;
            --text-primary: #102A43;
            --text-secondary: #486581;
            --border: #D9E2EC;
            --accent-gold: #C9973F;
            --accent-gold-hover: #B28430;
            --accent-teal: #1E9E8A;
            --accent-warning: #B54708;
            --accent-blue: #1B6BC1;
            --shadow-base: 0 8px 24px rgba(20, 38, 61, 0.08);
            --shadow-hover: 0 14px 34px rgba(20, 38, 61, 0.14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", monospace;
            --section-gap: 80px;
            --container-max: 1160px;
            --transition-fast: 200ms ease;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 3px;
        }

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

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

        .bg-grid-texture {
            background-image:
                linear-gradient(rgba(16, 42, 67, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(16, 42, 67, 0.025) 1px, transparent 1px);
            background-size: 42px 42px;
        }

        .bg-dashed-pattern {
            background-image: url("data:image/svg+xml,%3Csvg width='200' height='60' viewBox='0 0 200 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 30h72' stroke='%23C9973F' stroke-opacity='0.22' stroke-width='1.5' stroke-dasharray='6 6'/%3E%3Ccircle cx='75' cy='30' r='4' fill='%23C9973F' fill-opacity='0.35'/%3E%3Cpath d='M82 30h118' stroke='%23C9973F' stroke-opacity='0.22' stroke-width='1.5' stroke-dasharray='6 6'/%3E%3C/svg%3E");
            background-repeat: repeat-x;
            background-position: center;
        }

        .section-gap {
            margin-top: var(--section-gap);
            margin-bottom: var(--section-gap);
        }

        .card-shadow {
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

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

        .btn-primary {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }

        .btn-primary:hover {
            background-color: var(--accent-gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(201, 151, 63, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(201, 151, 63, 0.24);
        }

        .btn-secondary {
            background-color: var(--surface);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.5px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
            transform: translateY(-2px);
        }

        .btn-ghost-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            padding-bottom: 2px;
            border-bottom: 1px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-ghost-link:hover {
            color: var(--accent-gold-hover);
            border-bottom-color: var(--accent-gold);
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: #EDF2F7;
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.3px;
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold-hover);
            background-color: rgba(201, 151, 63, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .badge-teal {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background-color: rgba(30, 158, 138, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .badge-warning {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-warning);
            background-color: rgba(181, 71, 8, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .data-num {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-gold-hover);
            letter-spacing: -0.5px;
        }

        .data-num-dark {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.5px;
        }

        .coord-label {
            font-family: var(--font-mono);
            font-size: 11px;
            color: var(--text-secondary);
            letter-spacing: 1.2px;
            font-weight: 500;
            text-transform: uppercase;
        }

        .pin-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background-color: rgba(201, 151, 63, 0.1);
            color: var(--accent-gold-hover);
            font-size: 12px;
            flex-shrink: 0;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 8px 4px;
            position: relative;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }

        .mobile-menu {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .mobile-menu.open {
            max-height: 600px;
        }

        .faq-item {
            border-radius: 8px;
            overflow: hidden;
            transition: background-color var(--transition-fast);
        }

        .faq-item.active {
            background-color: #F4F8FC;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding-left: 20px;
            padding-right: 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-top: 10px;
            padding-bottom: 18px;
        }

        .faq-chevron {
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
        }

        .compare-tab {
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            background: transparent;
            border: none;
            cursor: pointer;
            border-radius: 8px;
            transition: background-color var(--transition-fast), color var(--transition-fast);
            white-space: nowrap;
        }

        .compare-tab:hover {
            color: var(--text-primary);
            background-color: rgba(201, 151, 63, 0.08);
        }

        .compare-tab.active {
            color: var(--text-primary);
            background-color: rgba(201, 151, 63, 0.15);
            font-weight: 600;
        }

        .compare-panel {
            display: none;
            animation: fadeIn 0.3s ease;
        }

        .compare-panel.active {
            display: block;
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(12px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .progress-bar-bg {
            background-color: #EDF2F7;
            border-radius: 8px;
            height: 10px;
            overflow: hidden;
        }

        .progress-bar-fill {
            height: 100%;
            border-radius: 8px;
            transition: width 0.6s ease;
        }

        .floating-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 60;
            background-color: rgba(255, 255, 255, 0.96);
            border-top: 1px solid var(--border);
            box-shadow: 0 -6px 20px rgba(20, 38, 61, 0.08);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .location-modal {
            position: fixed;
            inset: 0;
            z-index: 100;
            display: none;
            align-items: center;
            justify-content: center;
            background-color: rgba(16, 42, 67, 0.45);
            backdrop-filter: blur(4px);
        }

        .location-modal.show {
            display: flex;
        }

        .location-panel {
            background-color: var(--surface);
            border-radius: var(--radius-card);
            padding: 28px 30px;
            max-width: 480px;
            width: 90%;
            box-shadow: 0 24px 48px rgba(20, 38, 61, 0.2);
            animation: fadeIn 0.25s ease;
        }

        .location-option {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 16px;
            border: 1px solid var(--border);
            border-radius: 10px;
            cursor: pointer;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            margin-bottom: 10px;
        }

        .location-option:hover {
            border-color: var(--accent-gold);
            background-color: rgba(201, 151, 63, 0.05);
        }

        .location-option.selected {
            border-color: var(--accent-gold);
            background-color: rgba(201, 151, 63, 0.08);
        }

        .hero-bg-wrapper {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(244, 248, 252, 0.88) 0%, rgba(244, 248, 252, 0.94) 100%);
        }

        .cover-img-wrap {
            border-radius: 12px;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background-color: #E5EFF7;
        }

        .cover-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .service-card {
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            padding: 28px 26px;
            background-color: var(--surface);
            position: relative;
            overflow: hidden;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            border: 1px solid transparent;
        }

        .service-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent-gold);
        }

        .grid-nonuniform {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .grid-nonuniform> :nth-child(1) {
            grid-column: span 1;
            margin-top: 16px;
        }

        .grid-nonuniform> :nth-child(2) {
            grid-column: span 1;
            margin-top: 48px;
        }

        .grid-nonuniform> :nth-child(3) {
            grid-column: span 1;
            margin-top: 0px;
        }

        .grid-nonuniform> :nth-child(4) {
            grid-column: span 1;
            margin-top: 32px;
        }

        .grid-nonuniform> :nth-child(5) {
            grid-column: span 1;
            margin-top: 8px;
        }

        .grid-nonuniform> :nth-child(6) {
            grid-column: span 1;
            margin-top: 40px;
        }

        .info-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: rgba(16, 42, 67, 0.04);
            border-radius: 24px;
            padding: 6px 14px;
        }

        .input-field {
            width: 100%;
            background-color: #F0F4F8;
            border: 1px solid transparent;
            border-radius: var(--radius-input);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
        }

        .input-field:focus {
            outline: none;
            border-color: var(--accent-blue);
            background-color: var(--surface);
        }

        .input-field::placeholder {
            color: #9AA9B7;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.65);
            font-size: 14px;
            transition: color var(--transition-fast);
            display: block;
            padding: 4px 0;
        }

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

        .footer-heading {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .back-to-top {
            position: fixed;
            bottom: 90px;
            right: 24px;
            z-index: 50;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--surface);
            border: 1px solid var(--border);
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
        }

        .back-to-top:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            background-color: #FAFCFD;
        }

        @media (max-width: 1023px) {
            .grid-nonuniform {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-nonuniform> :nth-child(n) {
                grid-column: span 1;
                margin-top: 0;
            }
            .grid-nonuniform> :nth-child(odd) {
                margin-top: 20px;
            }
            .grid-nonuniform> :nth-child(even) {
                margin-top: 40px;
            }
            .section-gap {
                margin-top: 64px;
                margin-bottom: 64px;
            }
        }

        @media (max-width: 639px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .grid-nonuniform {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .grid-nonuniform> :nth-child(n) {
                grid-column: span 1;
                margin-top: 0;
            }
            .section-gap {
                margin-top: 48px;
                margin-bottom: 48px;
            }
            .floating-cta {
                padding: 10px 14px;
                gap: 10px;
                font-size: 13px;
            }
            .floating-cta .btn-primary,
            .floating-cta .btn-secondary {
                padding: 10px 18px;
                font-size: 14px;
            }
            .compare-tab {
                padding: 8px 14px;
                font-size: 13px;
            }
            .location-panel {
                padding: 20px 18px;
            }
        }

        @media (max-width: 480px) {
            .data-num {
                font-size: 22px !important;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
            }
            .section-gap {
                margin-top: 36px;
                margin-bottom: 36px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #F4F8FC;
            --surface: #FFFFFF;
            --text-primary: #102A43;
            --text-secondary: #486581;
            --border: #D9E2EC;
            --accent-gold: #C9973F;
            --accent-gold-hover: #B28430;
            --accent-teal: #1E9E8A;
            --accent-warning: #B54708;
            --accent-blue: #1B6BC1;
            --shadow-base: 0 8px 24px rgba(20, 38, 61, 0.08);
            --shadow-hover: 0 14px 34px rgba(20, 38, 61, 0.14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", monospace;
            --section-gap: 80px;
            --container-max: 1160px;
            --transition-fast: 200ms ease;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 3px;
        }

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

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

        .bg-grid-texture {
            background-image:
                linear-gradient(rgba(16, 42, 67, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(16, 42, 67, 0.025) 1px, transparent 1px);
            background-size: 42px 42px;
        }

        .section-gap {
            margin-top: var(--section-gap);
            margin-bottom: var(--section-gap);
        }

        .card-shadow {
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }

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

        .btn-primary {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }

        .btn-primary:hover {
            background-color: var(--accent-gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(201, 151, 63, 0.32);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(201, 151, 63, 0.24);
        }

        .btn-secondary {
            background-color: var(--surface);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.5px;
        }

        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
            transform: translateY(-2px);
        }

        .btn-ghost-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            padding-bottom: 2px;
            border-bottom: 1px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-ghost-link:hover {
            color: var(--accent-gold-hover);
            border-bottom-color: var(--accent-gold);
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: #EDF2F7;
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.3px;
        }

        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold-hover);
            background-color: rgba(201, 151, 63, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .badge-teal {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background-color: rgba(30, 158, 138, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .badge-warning {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-warning);
            background-color: rgba(181, 71, 8, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }

        .nav-link {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            position: relative;
            padding-bottom: 4px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

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

        .nav-link.active {
            color: var(--text-primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
        }

        .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 2.1;
            transition: color var(--transition-fast);
        }

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

        .footer-heading {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .breadcrumb-link {
            color: var(--text-secondary);
            font-size: 14px;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-current {
            color: var(--text-primary);
            font-size: 14px;
            font-weight: 500;
        }

        .filter-select-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            margin-bottom: 6px;
            display: block;
        }

        .filter-select {
            width: 100%;
            background-color: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23486581' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }

        .filter-select:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(27, 107, 193, 0.1);
            outline: none;
        }

        .rank-top-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            padding: 24px;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

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

        .rank-top-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background-color: var(--accent-gold);
            border-radius: 4px 0 0 4px;
        }

        .rank-list-item {
            background: var(--surface);
            border-radius: 12px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            box-shadow: 0 2px 8px rgba(20, 38, 61, 0.04);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .rank-list-item:hover {
            box-shadow: var(--shadow-base);
            border-color: rgba(201, 151, 63, 0.3);
            transform: translateX(2px);
        }

        .rank-number-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 16px;
            font-family: var(--font-mono);
            flex-shrink: 0;
        }

        .rank-number-gold {
            background-color: rgba(201, 151, 63, 0.12);
            color: var(--accent-gold-hover);
        }

        .rank-number-silver {
            background-color: rgba(100, 116, 139, 0.12);
            color: #64748B;
        }

        .rank-number-bronze {
            background-color: rgba(181, 71, 8, 0.08);
            color: var(--accent-warning);
        }

        .rank-number-default {
            background-color: #EDF2F7;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .compare-bar-track {
            background-color: #EDF2F7;
            border-radius: 8px;
            height: 8px;
            overflow: hidden;
        }

        .compare-bar-fill {
            height: 100%;
            border-radius: 8px;
            transition: width 1s ease;
        }

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

        .faq-item.active {
            border-color: rgba(201, 151, 63, 0.4);
        }

        .faq-question-btn {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 24px;
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background-color: #EDF2F7;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition-fast), transform var(--transition-fast);
        }

        .faq-item.active .faq-icon {
            background-color: rgba(201, 151, 63, 0.15);
            transform: rotate(45deg);
        }

        .faq-answer-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 20px 40px rgba(20, 38, 61, 0.12);
            z-index: 40;
            padding: 16px 24px 24px;
            border-radius: 0 0 16px 16px;
        }

        .mobile-menu-panel.open {
            display: block;
        }

        .mobile-nav-link {
            display: block;
            padding: 12px 4px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid #F0F4F8;
            transition: color var(--transition-fast);
        }

        .mobile-nav-link:hover {
            color: var(--text-primary);
        }

        .mobile-nav-link.active {
            color: var(--text-primary);
            font-weight: 700;
            border-left: 3px solid var(--accent-gold);
            padding-left: 16px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 56px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 40px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .rank-list-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .rank-list-item .rank-extra-info {
                width: 100%;
                justify-content: flex-start;
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .rank-top-card {
                padding: 16px;
            }
            .rank-top-card .rank-card-top-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .faq-question-btn {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer-inner {
                padding: 0 16px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-primary: #F4F8FC;
            --surface: #FFFFFF;
            --text-primary: #102A43;
            --text-secondary: #486581;
            --border: #D9E2EC;
            --accent-gold: #C9973F;
            --accent-gold-hover: #B28430;
            --accent-teal: #1E9E8A;
            --accent-warning: #B54708;
            --accent-blue: #1B6BC1;
            --shadow-base: 0 8px 24px rgba(20, 38, 61, 0.08);
            --shadow-hover: 0 14px 34px rgba(20, 38, 61, 0.14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", monospace;
            --section-gap: 80px;
            --container-max: 1160px;
            --transition-fast: 200ms ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .bg-grid-texture {
            background-image:
                linear-gradient(rgba(16, 42, 67, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(16, 42, 67, 0.025) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .section-gap {
            margin-top: var(--section-gap);
            margin-bottom: var(--section-gap);
        }
        .card-shadow {
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .card-shadow:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .btn-primary {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-primary:hover {
            background-color: var(--accent-gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(201, 151, 63, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(201, 151, 63, 0.24);
        }
        .btn-secondary {
            background-color: var(--surface);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
            transform: translateY(-2px);
        }
        .btn-ghost-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            padding-bottom: 2px;
            border-bottom: 1px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-ghost-link:hover {
            color: var(--accent-gold-hover);
            border-bottom-color: var(--accent-gold);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: #EDF2F7;
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.3px;
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold-hover);
            background-color: rgba(201, 151, 63, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-teal {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background-color: rgba(30, 158, 138, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-warning {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-warning);
            background-color: rgba(181, 71, 8, 0.08);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-blue {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-blue);
            background-color: rgba(27, 107, 193, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-gold);
            border-radius: 2px;
            transition: width var(--transition-fast);
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--text-primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-gold);
        }
        .hero-banner {
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 250px;
            position: relative;
            display: flex;
            align-items: center;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(244, 248, 252, 0.96) 25%, rgba(244, 248, 252, 0.82) 55%, rgba(244, 248, 252, 0.55) 100%);
            z-index: 1;
        }
        .hero-banner-content {
            position: relative;
            z-index: 2;
            padding: 48px 0;
        }
        .breadcrumb-link {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-link:hover {
            color: var(--accent-gold-hover);
        }
        .breadcrumb-separator {
            font-size: 14px;
            color: var(--border);
            margin: 0 8px;
        }
        .filter-panel {
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            padding: 24px;
            border: 1px solid var(--border);
        }
        .filter-heading {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .filter-group {
            margin-bottom: 20px;
        }
        .filter-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .filter-select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            font-size: 14px;
            color: var(--text-primary);
            background-color: #F0F4F8;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23486581' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }
        .filter-select:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(27, 107, 193, 0.12);
            outline: none;
        }
        .arena-card {
            background: var(--surface);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            position: relative;
        }
        .arena-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(201, 151, 63, 0.4);
        }
        .arena-card-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 9;
            background-color: #E9EEF4;
        }
        .arena-card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-fast);
        }
        .arena-card:hover .arena-card-img-wrapper img {
            transform: scale(1.04);
        }
        .arena-card-body {
            padding: 20px 24px 24px;
        }
        .arena-card-coordinate {
            position: absolute;
            top: 14px;
            left: 14px;
            font-size: 12px;
            font-weight: 600;
            color: #FFFFFF;
            background-color: rgba(16, 42, 67, 0.65);
            border-radius: 6px;
            padding: 3px 10px;
            letter-spacing: 0.5px;
            z-index: 2;
        }
        .arena-card-pin {
            position: absolute;
            top: 14px;
            right: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.9);
            z-index: 2;
        }
        .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .data-item {
            display: flex;
            flex-direction: column;
        }
        .data-value {
            font-family: var(--font-mono);
            font-size: 18px;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.2;
        }
        .data-value.gold {
            color: var(--accent-gold-hover);
        }
        .data-value.teal {
            color: var(--accent-teal);
        }
        .data-value.warning {
            color: var(--accent-warning);
        }
        .data-label {
            font-size: 12px;
            font-weight: 400;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .comparison-bar-track {
            background-color: #EDF2F7;
            border-radius: 8px;
            height: 10px;
            overflow: hidden;
            width: 100%;
        }
        .comparison-bar-fill {
            height: 100%;
            border-radius: 8px;
            transition: width 1s ease;
        }
        .comparison-bar-fill.gold {
            background-color: var(--accent-gold);
        }
        .comparison-bar-fill.teal {
            background-color: var(--accent-teal);
        }
        .comparison-bar-fill.warning {
            background-color: var(--accent-warning);
        }
        .comparison-bar-fill.blue {
            background-color: var(--accent-blue);
        }
        .step-list {
            counter-reset: step-counter;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-item {
            position: relative;
            padding-left: 56px;
            padding-bottom: 36px;
            counter-increment: step-counter;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item::before {
            content: counter(step-counter, decimal-leading-zero);
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            background-color: var(--surface);
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold-hover);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 700;
            font-family: var(--font-mono);
            z-index: 2;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 19px;
            top: 44px;
            width: 2px;
            height: calc(100% - 44px);
            background-image: linear-gradient(to bottom, var(--accent-gold) 45%, transparent 50%);
            background-size: 2px 8px;
            background-repeat: repeat-y;
        }
        .step-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: var(--surface);
            border-radius: 12px;
            border: 1px solid var(--border);
            margin-bottom: 10px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .ranking-item:hover {
            border-color: rgba(201, 151, 63, 0.4);
            box-shadow: var(--shadow-base);
        }
        .ranking-number {
            font-family: var(--font-mono);
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
        }
        .ranking-number.top {
            color: var(--accent-gold-hover);
        }
        .faq-item {
            background: var(--surface);
            border-radius: 10px;
            border: 1px solid var(--border);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-fast);
        }
        .faq-item.open {
            border-color: rgba(201, 151, 63, 0.5);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            background: var(--surface);
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: background-color var(--transition-fast);
        }
        .faq-question:hover {
            background-color: #F9FBFD;
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--accent-gold);
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-fast);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-left: 3px solid var(--accent-gold);
            margin-left: 22px;
        }
        .cta-banner {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-base);
            overflow: hidden;
            position: relative;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent-gold) 0%, var(--accent-teal) 60%, var(--accent-blue) 100%);
        }
        .mobile-menu {
            display: none;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .mobile-menu.open {
            max-height: 460px;
        }
        .mobile-menu-link {
            display: block;
            padding: 14px 24px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 1px solid #F0F4F8;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .mobile-menu-link:hover,
        .mobile-menu-link.active {
            color: var(--text-primary);
            background-color: #F9FBFD;
        }
        .location-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(16, 42, 67, 0.45);
            z-index: 100;
            align-items: center;
            justify-content: center;
            padding: 24px;
        }
        .location-overlay.open {
            display: flex;
        }
        .location-panel {
            background: var(--surface);
            border-radius: var(--radius-card);
            padding: 28px;
            max-width: 400px;
            width: 100%;
            box-shadow: var(--shadow-hover);
        }
        .location-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-top: 16px;
        }
        .location-btn {
            padding: 10px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #F9FBFD;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            cursor: pointer;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            text-align: center;
        }
        .location-btn:hover {
            border-color: var(--accent-gold);
            background-color: rgba(201, 151, 63, 0.06);
        }
        .location-btn.active {
            border-color: var(--accent-gold);
            background-color: rgba(201, 151, 63, 0.1);
            color: var(--accent-gold-hover);
            font-weight: 600;
        }
        @media (max-width: 1023px) {
            .hero-banner {
                min-height: 200px;
            }
            .hero-banner-content {
                padding: 36px 0;
            }
            .nav-desktop {
                display: none !important;
            }
            .mobile-menu-btn-wrapper {
                display: flex !important;
            }
            .section-gap {
                margin-top: 64px;
                margin-bottom: 64px;
            }
        }
        @media (max-width: 639px) {
            .hero-banner {
                min-height: 180px;
            }
            .hero-banner-content {
                padding: 28px 0;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 15px;
            }
            .arena-card-body {
                padding: 16px 18px 20px;
            }
            .step-item {
                padding-left: 48px;
                padding-bottom: 28px;
            }
            .step-item::before {
                width: 36px;
                height: 36px;
                font-size: 13px;
            }
            .step-item:not(:last-child)::after {
                left: 17px;
                top: 40px;
                height: calc(100% - 40px);
            }
            .location-list {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #F4F8FC;
            --surface: #FFFFFF;
            --text-primary: #102A43;
            --text-secondary: #486581;
            --border: #D9E2EC;
            --accent-gold: #C9973F;
            --accent-gold-hover: #B28430;
            --accent-teal: #1E9E8A;
            --accent-warning: #B54708;
            --accent-blue: #1B6BC1;
            --shadow-base: 0 8px 24px rgba(20, 38, 61, 0.08);
            --shadow-hover: 0 14px 34px rgba(20, 38, 61, 0.14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", monospace;
            --section-gap: 80px;
            --container-max: 1160px;
            --transition-fast: 200ms ease;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .bg-grid-texture {
            background-image:
                linear-gradient(rgba(16, 42, 67, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(16, 42, 67, 0.025) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .section-gap {
            margin-top: var(--section-gap);
            margin-bottom: var(--section-gap);
        }
        .card-shadow {
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .card-shadow:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .btn-primary {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-primary:hover {
            background-color: var(--accent-gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(201, 151, 63, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(201, 151, 63, 0.24);
        }
        .btn-secondary {
            background-color: var(--surface);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
            transform: translateY(-2px);
        }
        .btn-ghost-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            padding-bottom: 2px;
            border-bottom: 1px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-ghost-link:hover {
            color: var(--accent-gold-hover);
            border-bottom-color: var(--accent-gold);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: #EDF2F7;
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.3px;
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold-hover);
            background-color: rgba(201, 151, 63, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-teal {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background-color: rgba(30, 158, 138, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-warning {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-warning);
            background-color: rgba(181, 71, 8, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            padding-bottom: 4px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--accent-gold);
            transition: width var(--transition-fast);
            border-radius: 2px;
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--text-primary);
        }
        .nav-link.active::after {
            width: 100%;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-link {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition-fast);
            line-height: 1.5;
        }
        .footer-link:hover {
            color: var(--accent-gold);
        }
        .filter-select {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            background-color: #F0F4F8;
            color: var(--text-primary);
            font-size: 14px;
            transition: border-color var(--transition-fast), background-color var(--transition-fast);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23486581' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }
        .filter-select:focus {
            border-color: var(--accent-blue);
            background-color: #FFFFFF;
            outline: none;
        }
        .filter-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 6px;
            letter-spacing: 0.3px;
        }
        .filter-checkbox {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .filter-checkbox:hover {
            color: var(--text-primary);
        }
        .filter-checkbox input[type="checkbox"] {
            width: 16px;
            height: 16px;
            border-radius: 4px;
            border: 1px solid var(--border);
            accent-color: var(--accent-gold);
            cursor: pointer;
        }
        .task-card {
            border-radius: var(--radius-card);
            background-color: var(--surface);
            box-shadow: var(--shadow-base);
            overflow: hidden;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
            border: 1px solid transparent;
            position: relative;
        }
        .task-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent-gold);
        }
        .task-card-img {
            height: 180px;
            object-fit: cover;
            width: 100%;
            background-color: #E8EEF5;
        }
        .task-card-arrow {
            position: absolute;
            bottom: 16px;
            right: 16px;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: rgba(201, 151, 63, 0.12);
            color: var(--accent-gold-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color var(--transition-fast), color var(--transition-fast);
        }
        .task-card:hover .task-card-arrow {
            background-color: var(--accent-gold);
            color: #FFFFFF;
        }
        .stat-number {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
        }
        .stat-number-gold {
            font-family: var(--font-mono);
            font-weight: 700;
            color: var(--accent-gold-hover);
            letter-spacing: 0.5px;
        }
        .breadcrumb-link {
            font-size: 13px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-link:hover {
            color: var(--accent-gold-hover);
        }
        .breadcrumb-sep {
            font-size: 13px;
            color: var(--border);
            margin: 0 8px;
        }
        .hero-banner {
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            min-height: 260px;
            display: flex;
            align-items: center;
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(244, 248, 252, 0.92) 0%, rgba(244, 248, 252, 0.75) 55%, rgba(244, 248, 252, 0.95) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .faq-item {
            background-color: var(--surface);
            border-radius: 12px;
            border: 1px solid var(--border);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-base);
        }
        .faq-question {
            width: 100%;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            text-align: left;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-gold-hover);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 200px;
            padding: 0 20px 16px 20px;
        }
        .faq-icon-plus {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: transform 0.3s ease, border-color var(--transition-fast), color var(--transition-fast);
            font-size: 18px;
            font-weight: 400;
            line-height: 1;
        }
        .faq-item.open .faq-icon-plus {
            transform: rotate(45deg);
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
        }
        .pagination-btn {
            min-width: 40px;
            height: 40px;
            padding: 0 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            border: 1px solid var(--border);
            background-color: var(--surface);
            color: var(--text-secondary);
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .pagination-btn:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
        }
        .pagination-btn.active-page {
            background-color: var(--accent-gold);
            border-color: var(--accent-gold);
            color: #FFFFFF;
        }
        .pagination-btn:disabled {
            opacity: 0.4;
            cursor: not-allowed;
        }
        .mobile-filter-toggle {
            display: none;
        }
        @media (max-width: 1023px) {
            .hero-banner {
                min-height: 220px;
            }
            .filter-sidebar {
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.35s ease;
                margin-bottom: 16px;
            }
            .filter-sidebar.open {
                max-height: 600px;
            }
            .mobile-filter-toggle {
                display: inline-flex;
            }
        }
        @media (max-width: 767px) {
            .hero-banner {
                min-height: 200px;
            }
            .section-gap {
                margin-top: 56px;
                margin-bottom: 56px;
            }
            .task-card-img {
                height: 160px;
            }
            .pagination-btn {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
                padding: 0 8px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .hero-banner {
                min-height: 180px;
            }
            .task-card-img {
                height: 140px;
            }
            .btn-primary,
            .btn-secondary {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
            }
        }

/* roulang page: category4 */
:root {
            --bg-primary: #F4F8FC;
            --surface: #FFFFFF;
            --text-primary: #102A43;
            --text-secondary: #486581;
            --border: #D9E2EC;
            --accent-gold: #C9973F;
            --accent-gold-hover: #B28430;
            --accent-teal: #1E9E8A;
            --accent-warning: #B54708;
            --accent-blue: #1B6BC1;
            --shadow-base: 0 8px 24px rgba(20, 38, 61, 0.08);
            --shadow-hover: 0 14px 34px rgba(20, 38, 61, 0.14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", monospace;
            --section-gap: 80px;
            --container-max: 1160px;
            --transition-fast: 200ms ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .bg-grid-texture {
            background-image:
                linear-gradient(rgba(16, 42, 67, 0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(16, 42, 67, 0.025) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .card-shadow {
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }
        .card-shadow:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--accent-gold);
        }
        .btn-primary {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-primary:hover {
            background-color: var(--accent-gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(201, 151, 63, 0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(201, 151, 63, 0.24);
        }
        .btn-secondary {
            background-color: var(--surface);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
            transform: translateY(-2px);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: #EDF2F7;
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.3px;
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold-hover);
            background-color: rgba(201, 151, 63, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-teal {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background-color: rgba(30, 158, 138, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-warning {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-warning);
            background-color: rgba(181, 71, 8, 0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .footer-heading {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-link {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 13px;
            margin-bottom: 10px;
            transition: color var(--transition-fast);
        }
        .footer-link:hover {
            color: var(--accent-gold);
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding-bottom: 4px;
            border-bottom: 2px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            position: relative;
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link.active {
            color: var(--text-primary);
            border-bottom-color: var(--accent-gold);
            font-weight: 600;
        }
        .filter-select {
            background-color: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }
        .filter-select:focus {
            border-color: var(--accent-blue);
            outline: none;
        }
        .filter-label {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.8px;
            text-transform: uppercase;
            margin-bottom: 6px;
            display: block;
        }
        .coordinate-badge {
            font-family: var(--font-mono);
            font-size: 11px;
            color: var(--text-secondary);
            letter-spacing: 1px;
            font-weight: 500;
        }
        .data-number {
            font-family: var(--font-mono);
            font-weight: 700;
            letter-spacing: -0.5px;
        }
        @media (max-width: 1023px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-gap {
                margin-top: 48px;
                margin-bottom: 48px;
            }
        }

/* roulang page: category5 */
:root {
            --bg-primary: #F4F8FC;
            --surface: #FFFFFF;
            --text-primary: #102A43;
            --text-secondary: #486581;
            --border: #D9E2EC;
            --accent-gold: #C9973F;
            --accent-gold-hover: #B28430;
            --accent-teal: #1E9E8A;
            --accent-warning: #B54708;
            --accent-blue: #1B6BC1;
            --shadow-base: 0 8px 24px rgba(20,38,61,0.08);
            --shadow-hover: 0 14px 34px rgba(20,38,61,0.14);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-input: 10px;
            --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
            --font-mono: "DIN Alternate","Roboto Mono",monospace;
            --section-gap: 80px;
            --container-max: 1160px;
            --transition-fast: 200ms ease;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }
        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--accent-blue);
            outline-offset: 3px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .bg-grid-texture {
            background-image:
                linear-gradient(rgba(16,42,67,0.025) 1px, transparent 1px),
                linear-gradient(90deg, rgba(16,42,67,0.025) 1px, transparent 1px);
            background-size: 42px 42px;
        }
        .section-gap {
            margin-top: var(--section-gap);
            margin-bottom: var(--section-gap);
        }
        .card-shadow {
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }
        .card-shadow:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .btn-primary {
            background-color: var(--accent-gold);
            color: #FFFFFF;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            border: none;
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-primary:hover {
            background-color: var(--accent-gold-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 22px rgba(201,151,63,0.32);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 10px rgba(201,151,63,0.24);
        }
        .btn-secondary {
            background-color: var(--surface);
            color: var(--text-primary);
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.5px;
        }
        .btn-secondary:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold-hover);
            transform: translateY(-2px);
        }
        .btn-ghost-link {
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 15px;
            padding-bottom: 2px;
            border-bottom: 1px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-ghost-link:hover {
            color: var(--accent-gold-hover);
            border-bottom-color: var(--accent-gold);
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            background-color: #EDF2F7;
            border-radius: 20px;
            padding: 4px 14px;
            letter-spacing: 0.3px;
        }
        .badge-gold {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-gold-hover);
            background-color: rgba(201,151,63,0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-teal {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-teal);
            background-color: rgba(30,158,138,0.1);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .badge-warning {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-warning);
            background-color: rgba(181,71,8,0.08);
            border-radius: 20px;
            padding: 3px 12px;
            letter-spacing: 0.3px;
        }
        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 4px 0;
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background-color: var(--accent-gold);
            transition: width var(--transition-fast);
            border-radius: 2px;
        }
        .nav-link:hover {
            color: var(--text-primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--text-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .footer-heading {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-link {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            margin-bottom: 10px;
            transition: color var(--transition-fast);
            line-height: 1.6;
        }
        .footer-link:hover {
            color: var(--accent-gold);
        }
        .breadcrumb-link {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb-link:hover {
            color: var(--accent-gold-hover);
        }
        .form-input {
            width: 100%;
            background-color: #F0F4F8;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            padding: 12px 16px;
            font-size: 15px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            box-sizing: border-box;
        }
        .form-input:focus {
            border-color: var(--accent-blue);
            box-shadow: 0 0 0 3px rgba(27,107,193,0.1);
            outline: none;
            background-color: #FFFFFF;
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-primary);
            margin-bottom: 6px;
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--accent-gold);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 16px;
            font-family: var(--font-mono);
            flex-shrink: 0;
        }
        .step-line {
            position: absolute;
            top: 18px;
            left: 36px;
            right: 0;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--border) 0, var(--border) 6px, transparent 6px, transparent 12px);
            z-index: 0;
        }
        .step-card {
            position: relative;
            z-index: 1;
            background-color: var(--surface);
            border-radius: var(--radius-card);
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow-base);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .filter-select {
            width: 100%;
            background-color: #F0F4F8;
            border: 1px solid var(--border);
            border-radius: var(--radius-input);
            padding: 10px 14px;
            font-size: 14px;
            color: var(--text-primary);
            transition: border-color var(--transition-fast);
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23486581' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            cursor: pointer;
        }
        .filter-select:focus {
            border-color: var(--accent-blue);
            outline: none;
        }
        .faq-item {
            background-color: var(--surface);
            border-radius: 10px;
            border: 1px solid var(--border);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-base);
        }
        .faq-item.active {
            background-color: #F4F8FC;
            border-color: var(--accent-gold);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--accent-gold-hover);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 20px 20px;
        }
        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border);
            z-index: 49;
            box-shadow: 0 20px 40px rgba(20,38,61,0.1);
            padding: 16px 24px 24px;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }
        .mobile-menu-panel.open {
            display: block;
        }
        .mobile-nav-link {
            display: block;
            padding: 14px 0;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-primary);
            border-bottom: 1px solid #EDF2F7;
            transition: color var(--transition-fast);
        }
        .mobile-nav-link:hover {
            color: var(--accent-gold-hover);
        }
        .mobile-nav-link.active {
            color: var(--accent-gold-hover);
            font-weight: 600;
        }
        @media (max-width: 1023px) {
            .section-gap {
                margin-top: 60px;
                margin-bottom: 60px;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-gap {
                margin-top: 48px;
                margin-bottom: 48px;
            }
            .step-line {
                display: none;
            }
            .step-card {
                text-align: left;
                padding: 18px;
            }
            .btn-primary, .btn-secondary {
                padding: 10px 20px;
                font-size: 15px;
            }
        }
        @media (min-width: 768px) and (max-width: 1023px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
        }