/* roulang page: index */
:root {
            --color-ink: #1C1F26;
            --color-gold: #B9914B;
            --color-gold-light: #D2AE6A;
            --color-cream: #F6F2EB;
            --color-card: #FFFFFF;
            --color-muted-bg: #F0EBE1;
            --color-border: #E5DECF;
            --color-text: #1C1F26;
            --color-text-secondary: #5C636E;
            --color-rise: #C44545;
            --color-fall: #2E8A6E;
            --color-risk-bg: #F9E9E6;
            --color-risk-border: #EAC8C0;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(28, 31, 38, 0.04);
            --shadow-md: 0 4px 18px rgba(28, 31, 38, 0.06);
            --shadow-lg: 0 12px 32px rgba(28, 31, 38, 0.10);
            --shadow-gold: 0 8px 24px rgba(185, 145, 75, 0.18);
            --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --nav-height: 68px;
            --section-space: 80px;
            --section-space-mobile: 48px;
            --card-gap: 28px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-cream);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }

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

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

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

        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            color: inherit;
        }

        input, select {
            font-family: var(--font-sans);
            font-size: inherit;
            color: inherit;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4 {
            line-height: 1.3;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(32px, 4.2vw, 44px);
            line-height: 1.25;
        }

        h2 {
            font-size: clamp(24px, 2.8vw, 32px);
            line-height: 1.3;
        }

        h3 {
            font-size: clamp(18px, 1.6vw, 22px);
            line-height: 1.4;
        }

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

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

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

        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .logo .logo-gold {
            color: var(--color-gold);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--color-gold);
        }

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

        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-menu a:hover {
            color: var(--color-gold);
            background: rgba(185, 145, 75, 0.08);
        }
        .nav-menu a.active {
            color: var(--color-gold);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .nav-menu a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(185, 145, 75, 0.10);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(28, 31, 38, 0.97);
            z-index: 999;
            padding: 32px 24px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }
        .mobile-nav.open {
            display: flex;
        }
        .mobile-nav a {
            color: #fff;
            font-size: 18px;
            font-weight: 500;
            padding: 14px 20px;
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }
        .mobile-nav a:hover {
            background: rgba(185, 145, 75, 0.18);
            color: var(--color-gold-light);
        }
        .mobile-nav a.active {
            color: var(--color-gold-light);
            background: rgba(185, 145, 75, 0.12);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            letter-spacing: 0.02em;
            border: 1px solid transparent;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        .btn-gold {
            background: var(--color-gold);
            color: var(--color-ink);
        }
        .btn-gold:hover {
            background: var(--color-gold-light);
            color: var(--color-ink);
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
        }
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            border-color: var(--color-gold-light);
            color: var(--color-gold-light);
            background: rgba(185, 145, 75, 0.12);
        }

        .btn-outline-dark {
            background: transparent;
            color: var(--color-ink);
            border-color: var(--color-ink);
        }
        .btn-outline-dark:hover {
            background: var(--color-ink);
            color: #fff;
            border-color: var(--color-ink);
        }

        .btn-lg {
            min-height: 50px;
            padding: 14px 36px;
            font-size: 16px;
        }

        /* ===== Hero ===== */
        .hero {
            background: var(--color-ink);
            position: relative;
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 80px 0 60px;
            isolation: isolate;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/9a0dff96199c97ea.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: -2;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28,31,38,0.96) 0%, rgba(28,31,38,0.75) 45%, rgba(28,31,38,0.55) 100%);
            z-index: -1;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(185, 145, 75, 0.15);
            border: 1px solid rgba(185, 145, 75, 0.35);
            color: var(--color-gold-light);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero h1 {
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }
        .hero h1 .accent {
            color: var(--color-gold-light);
        }

        .hero-sub {
            color: rgba(255, 255, 255, 0.75);
            font-size: 17px;
            line-height: 1.85;
            max-width: 560px;
            margin-bottom: 36px;
        }

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

        .hero-risk {
            position: absolute;
            bottom: 20px;
            right: 24px;
            color: rgba(255, 255, 255, 0.45);
            font-size: 12px;
            letter-spacing: 0.02em;
            text-align: right;
        }

        .hero-visual {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid rgba(185, 145, 75, 0.25);
            box-shadow: var(--shadow-lg);
            background: rgba(255, 255, 255, 0.03);
            aspect-ratio: 4 / 3.4;
            display: flex;
            align-items: flex-end;
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.85;
        }
        .hero-visual .hero-visual-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(28, 31, 38, 0.8);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-visual .hero-visual-bottom {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 20px;
            background: linear-gradient(transparent, rgba(28, 31, 38, 0.9));
            color: #fff;
            font-size: 13px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-visual .hero-visual-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background: #fff;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .section-muted {
            background: var(--color-muted-bg);
        }
        .section-dark {
            background: var(--color-ink);
            color: #fff;
        }

        .section-heading {
            margin-bottom: 40px;
            text-align: center;
        }
        .section-heading .eyebrow {
            display: block;
            font-size: 13px;
            color: var(--color-gold);
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-heading h2 {
            margin-bottom: 12px;
        }
        .section-heading p {
            color: var(--color-text-secondary);
            font-size: 15px;
            max-width: 620px;
            margin: 0 auto;
        }
        .section-dark .section-heading h2 {
            color: #fff;
        }
        .section-dark .section-heading p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== Trust Stats Bar ===== */
        .stats-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 28px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .stat-number {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: -0.02em;
            display: block;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-top: 4px;
        }

        /* ===== Category Entrance Grid ===== */
        .cat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }
        .cat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            transition: all var(--transition);
            display: block;
            position: relative;
        }
        .cat-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .cat-card:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .cat-card .cat-icon {
            width: 42px;
            height: 42px;
            background: rgba(185, 145, 75, 0.12);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 14px;
        }
        .cat-card h3 {
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--color-ink);
        }
        .cat-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* ===== Process Steps ===== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            padding: 0 8px;
        }
        .process-step .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-gold);
            color: var(--color-ink);
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: var(--shadow-gold);
            position: relative;
            z-index: 2;
        }
        .process-step h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .process-step:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 24px;
            left: calc(50% + 30px);
            right: calc(-50% + 30px);
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        /* ===== Plans Comparison ===== */
        .plans-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }
        .plan-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            transition: all var(--transition);
            position: relative;
        }
        .plan-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .plan-card .plan-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 16px;
            background: rgba(185, 145, 75, 0.12);
            color: var(--color-gold);
        }
        .plan-card h3 {
            font-size: 17px;
            margin-bottom: 6px;
        }
        .plan-card .plan-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }
        .plan-card ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .plan-card ul li {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding-left: 18px;
            position: relative;
        }
        .plan-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-gold);
            font-weight: 700;
        }

        /* ===== Risk Control Split ===== */
        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .split-layout .split-text h2 {
            margin-bottom: 18px;
        }
        .split-layout .split-text p {
            color: var(--color-text-secondary);
            margin-bottom: 16px;
        }
        .split-layout .split-text ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }
        .split-layout .split-text ul li {
            font-size: 14px;
            padding-left: 26px;
            position: relative;
            color: var(--color-text);
        }
        .split-layout .split-text ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 10px;
            height: 10px;
            background: var(--color-gold);
            border-radius: 3px;
        }
        .split-layout .split-visual {
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
            aspect-ratio: 16 / 10;
            background: var(--color-muted-bg);
        }
        .split-layout .split-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .split-layout.reverse {
            direction: rtl;
        }
        .split-layout.reverse > * {
            direction: ltr;
        }

        /* ===== News List ===== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .news-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition);
        }
        .news-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card a {
            display: block;
            color: inherit;
        }
        .news-card .news-img {
            aspect-ratio: 16 / 9;
            background: var(--color-muted-bg);
            overflow: hidden;
        }
        .news-card .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .news-img img {
            transform: scale(1.04);
        }
        .news-card .news-body {
            padding: 20px 22px;
        }
        .news-card .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-bottom: 10px;
        }
        .news-card .news-meta .tag {
            background: rgba(185, 145, 75, 0.12);
            color: var(--color-gold);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
        }
        .news-card h3 {
            font-size: 16px;
            line-height: 1.55;
            margin-bottom: 8px;
            color: var(--color-ink);
        }
        .news-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-lg);
            color: var(--color-text-secondary);
            font-size: 14px;
            grid-column: 1 / -1;
        }

        /* ===== Fees Section ===== */
        .fees-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: var(--card-gap);
            align-items: stretch;
        }
        .fees-table {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px;
        }
        .fees-table h3 {
            margin-bottom: 20px;
        }
        .fees-table table {
            width: 100%;
            border-collapse: collapse;
        }
        .fees-table th {
            text-align: left;
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 600;
            padding: 10px 8px;
            border-bottom: 2px solid var(--color-border);
        }
        .fees-table td {
            font-size: 14px;
            padding: 14px 8px;
            border-bottom: 1px solid var(--color-muted-bg);
        }
        .fees-table td:first-child {
            font-weight: 600;
            color: var(--color-ink);
        }
        .fees-card {
            background: var(--color-ink);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }
        .fees-card h3 {
            color: #fff;
            font-size: 19px;
        }
        .fees-card p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
        }
        .fees-card .fees-highlight {
            font-family: var(--font-mono);
            font-size: 36px;
            font-weight: 700;
            color: var(--color-gold-light);
        }

        /* ===== Scenario Cards ===== */
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--card-gap);
        }
        .scenario-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            transition: all var(--transition);
        }
        .scenario-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .scenario-card .scenario-icon {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .scenario-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }
        .scenario-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ===== Margin vs Finance ===== */
        .comparison-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .comparison-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
        }
        .comparison-panel h3 {
            margin-bottom: 16px;
            font-size: 18px;
        }
        .comparison-panel ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .comparison-panel ul li {
            font-size: 14px;
            padding-left: 22px;
            position: relative;
            color: var(--color-text-secondary);
        }
        .comparison-panel ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
        }

        /* ===== FAQ ===== */
        .faq-accordion {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item.open {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-item .faq-q:hover {
            color: var(--color-gold);
        }
        .faq-item .faq-q:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: -2px;
        }
        .faq-item .faq-q .faq-icon {
            flex-shrink: 0;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-muted-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            transition: all var(--transition);
        }
        .faq-item.open .faq-q .faq-icon {
            background: var(--color-gold);
            color: var(--color-ink);
            transform: rotate(45deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-a {
            max-height: 200px;
        }
        .faq-item .faq-a-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ===== Application Form ===== */
        .apply-section {
            background: var(--color-ink);
            color: #fff;
            padding: 64px 0;
            border-radius: var(--radius-xl);
            margin-bottom: 40px;
        }
        .apply-inner {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 48px;
            align-items: center;
        }
        .apply-info h2 {
            color: #fff;
            margin-bottom: 14px;
        }
        .apply-info p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .apply-info ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .apply-info ul li {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            padding-left: 22px;
            position: relative;
        }
        .apply-info ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-gold-light);
            font-weight: 700;
        }
        .apply-form-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
        }
        .apply-form-card .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .apply-form-card .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .apply-form-card label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        .apply-form-card input,
        .apply-form-card select {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            color: #fff;
            font-size: 14px;
            transition: all var(--transition);
            min-height: 46px;
        }
        .apply-form-card input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .apply-form-card input:focus,
        .apply-form-card select:focus {
            outline: none;
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(185, 145, 75, 0.18);
        }
        .apply-form-card select option {
            background: var(--color-ink);
            color: #fff;
        }
        .apply-form-card .form-full {
            grid-column: 1 / -1;
        }
        .apply-form-card .btn {
            width: 100%;
            margin-top: 8px;
        }
        .apply-form-card .form-note {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 12px;
            text-align: center;
        }

        /* ===== Risk Warning Strip ===== */
        .risk-strip {
            background: var(--color-risk-bg);
            border: 1px solid var(--color-risk-border);
            border-radius: var(--radius-md);
            padding: 22px 28px;
            margin-bottom: 40px;
        }
        .risk-strip p {
            font-size: 13px;
            color: var(--color-rise);
            line-height: 1.8;
        }
        .risk-strip strong {
            font-weight: 600;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 13px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand .footer-logo span {
            color: var(--color-gold-light);
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-col h4 {
            font-size: 14px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            font-size: 13px;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-gold-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--color-gold-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-menu {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .mobile-nav {
                display: flex;
                transform: translateX(100%);
                transition: transform var(--transition);
            }
            .mobile-nav.open {
                transform: translateX(0);
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                aspect-ratio: 16 / 9;
                max-width: 560px;
            }
            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 32px;
            }
            .process-step:not(:last-child)::after {
                display: none;
            }
            .plans-grid,
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cat-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .news-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .fees-grid {
                grid-template-columns: 1fr;
            }
            .apply-inner {
                grid-template-columns: 1fr;
            }
            .footer-top {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }
            .section {
                padding: var(--section-space-mobile) 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .cat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .process-steps {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .plans-grid,
            .scenario-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .split-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .split-layout.reverse {
                direction: ltr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
            .comparison-layout {
                grid-template-columns: 1fr;
            }
            .apply-form-card .form-row {
                grid-template-columns: 1fr;
            }
            .apply-form-card .form-full {
                grid-column: 1;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero {
                min-height: auto;
                padding: 48px 0 40px;
            }
            .hero-risk {
                position: static;
                margin-top: 24px;
                text-align: left;
                font-size: 11px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cat-grid {
                grid-template-columns: 1fr;
            }
            h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 22px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .stat-item .stat-number {
                font-size: 24px;
            }
            .fees-table {
                padding: 20px 16px;
            }
            .comparison-panel {
                padding: 20px 16px;
            }
            .apply-section {
                border-radius: var(--radius-md);
                padding: 40px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-ink: #1C1F26;
            --color-gold: #B9914B;
            --color-gold-light: #D2AE6A;
            --color-cream: #F6F2EB;
            --color-card: #FFFFFF;
            --color-muted-bg: #F0EBE1;
            --color-border: #E5DECF;
            --color-text: #1C1F26;
            --color-text-secondary: #5C636E;
            --color-rise: #C44545;
            --color-fall: #2E8A6E;
            --color-risk-bg: #F9E9E6;
            --color-risk-border: #EAC8C0;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(28, 31, 38, 0.04);
            --shadow-md: 0 4px 18px rgba(28, 31, 38, 0.06);
            --shadow-lg: 0 12px 32px rgba(28, 31, 38, 0.10);
            --shadow-gold: 0 8px 24px rgba(185, 145, 75, 0.18);
            --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --nav-height: 68px;
            --section-space: 80px;
            --section-space-mobile: 48px;
            --card-gap: 28px;
        }
        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-cream);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            color: inherit;
        }
        input,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .logo .logo-gold {
            color: var(--color-gold);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--color-gold);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-menu a:hover {
            color: var(--color-gold);
            background: rgba(185, 145, 75, 0.08);
        }
        .nav-menu a.active {
            color: var(--color-gold);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .nav-menu a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(185, 145, 75, 0.10);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: background var(--transition), transform var(--transition);
        }
        .hamburger.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Section Common ===== */
        .section {
            padding: var(--section-space) 0;
        }
        .section-muted {
            background: var(--color-muted-bg);
        }
        .section-white {
            background: var(--color-card);
        }
        .section-dark {
            background: var(--color-ink);
            color: #fff;
        }
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 720px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-title-line {
            width: 48px;
            height: 3px;
            background: var(--color-gold);
            border-radius: 3px;
            margin-bottom: 18px;
        }
        .text-gold {
            color: var(--color-gold);
        }
        .text-white {
            color: #fff;
        }

        /* ===== Buttons ===== */
        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--color-gold);
            color: var(--color-ink);
            border: none;
            padding: 12px 30px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
            letter-spacing: 0.02em;
        }
        .btn-primary-gold:hover {
            background: var(--color-gold-light);
            color: var(--color-ink);
            box-shadow: var(--shadow-gold);
            transform: translateY(-1px);
        }
        .btn-primary-gold:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .btn-outline-ink {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-ink);
            border: 1px solid var(--color-ink);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-ink:hover {
            background: var(--color-ink);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--color-gold);
            border: 1px solid var(--color-gold);
            padding: 11px 26px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-gold:hover {
            background: rgba(185, 145, 75, 0.08);
            color: var(--color-gold);
        }

        /* ===== Banner ===== */
        .category-banner {
            position: relative;
            background: var(--color-ink);
            background-image: linear-gradient(rgba(28, 31, 38, 0.88), rgba(28, 31, 38, 0.92)), url('/assets/images/2cff3244fa50f6c2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 72px 0 80px;
            overflow: hidden;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-gold);
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .breadcrumb li + li::before {
            content: '/';
            color: rgba(255, 255, 255, 0.35);
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.65);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--color-gold);
        }
        .breadcrumb .current {
            color: var(--color-gold);
        }
        .banner-title {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            max-width: 800px;
        }
        .banner-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 660px;
            line-height: 1.85;
            margin-bottom: 0;
        }
        .banner-risk {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(196, 69, 69, 0.18);
            border: 1px solid rgba(196, 69, 69, 0.35);
            color: #F4C7C0;
            font-size: 12px;
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            margin-top: 20px;
        }

        /* ===== Cards & Grid ===== */
        .card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 10px;
            line-height: 1.4;
        }
        .card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: rgba(185, 145, 75, 0.12);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            font-size: 22px;
            color: var(--color-gold);
        }
        .grid {
            display: grid;
            gap: var(--card-gap);
        }
        .grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .grid-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        /* ===== Step Timeline ===== */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            counter-reset: step-counter;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .step-item {
            display: flex;
            gap: 20px;
            position: relative;
            padding-bottom: 32px;
            counter-increment: step-counter;
        }
        .step-item:last-child {
            padding-bottom: 0;
        }
        .step-item::before {
            content: counter(step-counter);
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: var(--color-gold);
            color: var(--color-ink);
            font-weight: 700;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            z-index: 1;
            position: relative;
        }
        .step-item::after {
            content: '';
            position: absolute;
            left: 21px;
            top: 44px;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-content {
            flex: 1;
            padding-top: 2px;
        }
        .step-content h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 6px;
        }
        .step-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }
        .step-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-rise);
            background: var(--color-risk-bg);
            border: 1px solid var(--color-risk-border);
            padding: 3px 10px;
            border-radius: 20px;
            margin-top: 8px;
        }

        /* ===== Checklist ===== */
        .checklist {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .checklist li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.7;
            padding: 14px 18px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .checklist li:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-sm);
        }
        .checklist .check-icon {
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            background: rgba(46, 138, 110, 0.12);
            border-radius: 50%;
            color: var(--color-fall);
            font-size: 13px;
            font-weight: 700;
            margin-top: 2px;
        }

        /* ===== Table-like Comparison ===== */
        .compare-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            padding: 18px 24px;
            border-bottom: 1px solid var(--color-border);
            align-items: center;
            gap: 12px;
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-row.header-row {
            background: var(--color-ink);
            color: #fff;
            font-weight: 700;
            font-size: 14px;
            border-bottom: 2px solid var(--color-gold);
        }
        .compare-row .label {
            font-weight: 600;
            color: var(--color-ink);
            font-size: 14px;
        }
        .compare-row .value {
            font-size: 14px;
            color: var(--color-text-secondary);
            text-align: center;
        }
        .compare-grid {
            display: grid;
            gap: var(--card-gap);
        }
        .compare-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .compare-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .compare-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 14px;
            text-align: center;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--color-gold);
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card li {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 8px 0;
            border-bottom: 1px solid var(--color-muted-bg);
            display: flex;
            justify-content: space-between;
            gap: 8px;
        }
        .compare-card li:last-child {
            border-bottom: none;
        }
        .compare-card li .key {
            font-weight: 500;
            color: var(--color-text);
        }
        .compare-card li .val {
            text-align: right;
            font-weight: 600;
            color: var(--color-ink);
        }

        /* ===== FAQ ===== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-gold);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: -2px;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--color-border);
            border-radius: 50%;
            font-size: 16px;
            color: var(--color-gold);
            transition: transform var(--transition);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ===== CTA Banner ===== */
        .cta-banner {
            background: var(--color-ink);
            background-image: linear-gradient(rgba(28, 31, 38, 0.95), rgba(28, 31, 38, 0.98)), url('/assets/images/b1f2c0447f638c95.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            padding: 52px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-lg);
        }
        .cta-banner .cta-text {
            flex: 1;
            min-width: 260px;
        }
        .cta-banner .cta-text h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-banner .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            margin-bottom: 0;
            line-height: 1.7;
        }
        .cta-banner .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Return Reason ===== */
        .reason-card {
            background: var(--color-card);
            border-left: 3px solid var(--color-rise);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .reason-card:hover {
            border-left-color: var(--color-gold);
            box-shadow: var(--shadow-md);
        }
        .reason-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .reason-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== Material Card ===== */
        .material-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .material-card:hover {
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .material-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .material-card .material-body {
            padding: 22px 24px;
        }
        .material-card .material-body h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .material-card .material-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .material-card .material-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-gold);
            background: rgba(185, 145, 75, 0.10);
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 28px;
        }
        .site-footer .footer-brand {
            max-width: 340px;
        }
        .site-footer .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .site-footer .footer-logo span {
            color: var(--color-gold);
        }
        .site-footer .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .site-footer .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--color-gold);
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(14px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                display: none;
                max-height: calc(100vh - var(--nav-height));
                overflow-y: auto;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 14px 16px;
                border-radius: var(--radius-sm);
                font-size: 16px;
            }
            .nav-menu a::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(185, 145, 75, 0.08);
            }
            .section {
                padding: var(--section-space-mobile) 0;
            }
            .section-title {
                font-size: 26px;
            }
            .grid-3,
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-top {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .cta-banner {
                padding: 36px 28px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 768px) {
            .banner-title {
                font-size: 30px;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .compare-row {
                grid-template-columns: 1fr;
                gap: 6px;
                padding: 14px 18px;
            }
            .compare-row.header-row {
                display: none;
            }
            .step-item {
                flex-direction: column;
                gap: 12px;
            }
            .step-item::after {
                left: 21px;
                top: 44px;
            }
            .step-content {
                padding-left: 0;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .cta-banner .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-banner .cta-actions .btn {
                width: 100%;
            }
            .category-banner {
                padding: 48px 0 56px;
            }
        }
        @media (max-width: 520px) {
            .banner-title {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .card {
                padding: 20px 18px;
            }
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .cta-banner {
                padding: 28px 20px;
                border-radius: var(--radius-lg);
            }
        }

/* roulang page: category2 */
:root{
            --color-ink:#1C1F26;
            --color-gold:#B9914B;
            --color-gold-light:#D2AE6A;
            --color-cream:#F6F2EB;
            --color-card:#FFFFFF;
            --color-muted-bg:#F0EBE1;
            --color-border:#E5DECF;
            --color-text:#1C1F26;
            --color-text-secondary:#5C636E;
            --color-rise:#C44545;
            --color-fall:#2E8A6E;
            --color-risk-bg:#F9E9E6;
            --color-risk-border:#EAC8C0;
            --font-sans:'PingFang SC','Microsoft YaHei','Noto Sans SC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
            --font-mono:'DIN Alternate','Roboto Mono','SFMono-Regular',Consolas,monospace;
            --radius-sm:8px;
            --radius-md:12px;
            --radius-lg:16px;
            --radius-xl:20px;
            --shadow-sm:0 2px 8px rgba(28,31,38,0.04);
            --shadow-md:0 4px 18px rgba(28,31,38,0.06);
            --shadow-lg:0 12px 32px rgba(28,31,38,0.10);
            --shadow-gold:0 8px 24px rgba(185,145,75,0.18);
            --transition:0.28s cubic-bezier(0.22,0.61,0.36,1);
            --container-max:1200px;
            --nav-height:68px;
            --section-space:80px;
            --section-space-mobile:48px;
            --card-gap:28px;
        }
        *{
            box-sizing:border-box;
            margin:0;
            padding:0;
        }
        html{
            font-size:16px;
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            scroll-behavior:smooth;
        }
        body{
            font-family:var(--font-sans);
            font-size:15px;
            line-height:1.8;
            color:var(--color-text);
            background:var(--color-cream);
            min-height:100vh;
            letter-spacing:0.01em;
        }
        a{
            color:inherit;
            text-decoration:none;
            transition:color var(--transition);
        }
        a:hover{
            color:var(--color-gold);
        }
        img{
            max-width:100%;
            height:auto;
            display:block;
        }
        button{
            font-family:var(--font-sans);
            cursor:pointer;
            border:none;
            background:none;
            font-size:inherit;
            color:inherit;
        }
        input,select,textarea{
            font-family:var(--font-sans);
            font-size:inherit;
            color:inherit;
        }
        .container{
            max-width:var(--container-max);
            margin:0 auto;
            padding-left:24px;
            padding-right:24px;
        }
        /* Header */
        .site-header{
            position:sticky;
            top:0;
            z-index:1000;
            height:var(--nav-height);
            background:rgba(255,255,255,0.92);
            backdrop-filter:blur(14px);
            -webkit-backdrop-filter:blur(14px);
            border-bottom:1px solid var(--color-border);
            transition:box-shadow var(--transition);
        }
        .site-header.scrolled{
            box-shadow:var(--shadow-sm);
        }
        .header-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:100%;
        }
        .logo{
            font-size:18px;
            font-weight:700;
            color:var(--color-ink);
            letter-spacing:0.02em;
            flex-shrink:0;
        }
        .logo .logo-gold{
            color:var(--color-gold);
        }
        .logo a{
            color:inherit;
        }
        .logo a:hover{
            color:var(--color-gold);
        }
        .nav-menu{
            display:flex;
            align-items:center;
            gap:6px;
        }
        .nav-menu a{
            display:inline-flex;
            align-items:center;
            padding:8px 18px;
            font-size:15px;
            font-weight:500;
            border-radius:var(--radius-sm);
            position:relative;
            transition:color var(--transition),background var(--transition);
            white-space:nowrap;
        }
        .nav-menu a::after{
            content:'';
            position:absolute;
            bottom:2px;
            left:18px;
            right:18px;
            height:2px;
            background:var(--color-gold);
            border-radius:2px;
            transform:scaleX(0);
            transform-origin:left;
            transition:transform var(--transition);
        }
        .nav-menu a:hover{
            color:var(--color-gold);
            background:rgba(185,145,75,0.08);
        }
        .nav-menu a.active{
            color:var(--color-gold);
            font-weight:600;
        }
        .nav-menu a.active::after{
            transform:scaleX(1);
        }
        .nav-menu a:focus-visible{
            outline:2px solid var(--color-gold);
            outline-offset:2px;
        }
        .hamburger{
            display:none;
            width:44px;
            height:44px;
            flex-direction:column;
            align-items:center;
            justify-content:center;
            gap:5px;
            border-radius:var(--radius-sm);
            transition:background var(--transition);
        }
        .hamburger:hover{
            background:rgba(185,145,75,0.10);
        }
        .hamburger:focus-visible{
            outline:2px solid var(--color-gold);
            outline-offset:2px;
        }
        .hamburger span{
            display:block;
            width:22px;
            height:2px;
            background:var(--color-ink);
            border-radius:2px;
            transition:transform var(--transition),opacity var(--transition);
        }
        .hamburger.open span:nth-child(1){
            transform:translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2){
            opacity:0;
        }
        .hamburger.open span:nth-child(3){
            transform:translateY(-7px) rotate(-45deg);
        }
        /* Sections */
        .section{
            padding-top:var(--section-space);
            padding-bottom:var(--section-space);
        }
        .section-sm{
            padding-top:48px;
            padding-bottom:48px;
        }
        .section-alt{
            background:var(--color-muted-bg);
        }
        .section-white{
            background:var(--color-card);
        }
        .section-dark{
            background:var(--color-ink);
            color:#fff;
        }
        .section-dark h1,
        .section-dark h2,
        .section-dark h3,
        .section-dark h4{
            color:#fff;
        }
        .section-dark .text-secondary{
            color:#C9CDD4;
        }
        .section-title{
            font-size:28px;
            font-weight:700;
            line-height:1.35;
            margin-bottom:12px;
        }
        .section-subtitle{
            font-size:16px;
            color:var(--color-text-secondary);
            max-width:720px;
            line-height:1.8;
        }
        .page-banner{
            padding:72px 0 56px;
            background-image:linear-gradient(rgba(28,31,38,0.78), rgba(28,31,38,0.82)), url('/assets/images/9a0dff96199c97ea.webp');
            background-size:cover;
            background-position:center;
            color:#fff;
            position:relative;
        }
        .page-banner .container{
            position:relative;
            z-index:2;
        }
        .breadcrumb-nav{
            display:flex;
            align-items:center;
            flex-wrap:wrap;
            gap:8px;
            font-size:13px;
            margin-bottom:20px;
            color:rgba(255,255,255,0.75);
        }
        .breadcrumb-nav a{
            color:rgba(255,255,255,0.75);
            transition:color var(--transition);
        }
        .breadcrumb-nav a:hover{
            color:var(--color-gold-light);
        }
        .breadcrumb-nav .sep{
            opacity:0.6;
        }
        .page-banner h1{
            font-size:42px;
            font-weight:800;
            line-height:1.2;
            margin-bottom:14px;
            letter-spacing:0.02em;
        }
        .page-banner .banner-sub{
            font-size:16px;
            color:rgba(255,255,255,0.85);
            max-width:680px;
            line-height:1.8;
        }
        /* Buttons */
        .btn-gold{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:var(--color-gold);
            color:var(--color-ink);
            font-weight:600;
            padding:12px 28px;
            border-radius:var(--radius-sm);
            border:1px solid var(--color-gold);
            transition:all var(--transition);
            font-size:15px;
            letter-spacing:0.02em;
            text-align:center;
        }
        .btn-gold:hover{
            background:var(--color-gold-light);
            border-color:var(--color-gold-light);
            color:var(--color-ink);
            transform:translateY(-2px);
            box-shadow:var(--shadow-gold);
        }
        .btn-outline-light{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:transparent;
            color:#fff;
            font-weight:600;
            padding:12px 28px;
            border-radius:var(--radius-sm);
            border:1px solid rgba(255,255,255,0.5);
            transition:all var(--transition);
            font-size:15px;
        }
        .btn-outline-light:hover{
            border-color:var(--color-gold-light);
            color:var(--color-gold-light);
            background:rgba(185,145,75,0.12);
        }
        .btn-outline-dark{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            background:transparent;
            color:var(--color-ink);
            font-weight:600;
            padding:10px 22px;
            border-radius:var(--radius-sm);
            border:1px solid var(--color-ink);
            transition:all var(--transition);
            font-size:14px;
        }
        .btn-outline-dark:hover{
            background:var(--color-ink);
            color:#fff;
            transform:translateY(-2px);
        }
        /* Cards */
        .card-base{
            background:var(--color-card);
            border:1px solid var(--color-border);
            border-radius:var(--radius-lg);
            box-shadow:var(--shadow-sm);
            transition:box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            height:100%;
        }
        .card-base:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-md);
            border-color:var(--color-gold-light);
        }
        .card-pad{
            padding:28px;
        }
        .card-title{
            font-size:18px;
            font-weight:700;
            margin-bottom:10px;
        }
        .card-text{
            color:var(--color-text-secondary);
            font-size:15px;
            line-height:1.8;
        }
        .badge-soft{
            display:inline-block;
            padding:4px 10px;
            border-radius:20px;
            font-size:12px;
            font-weight:500;
            background:rgba(185,145,75,0.12);
            color:var(--color-gold);
            letter-spacing:0.03em;
        }
        .text-gold{
            color:var(--color-gold);
        }
        .text-rise{
            color:var(--color-rise);
        }
        .text-fall{
            color:var(--color-fall);
        }
        .fw-bold{
            font-weight:700;
        }
        .mt-1{margin-top:8px;}
        .mt-2{margin-top:16px;}
        .mt-3{margin-top:24px;}
        .mt-4{margin-top:32px;}
        .mb-1{margin-bottom:8px;}
        .mb-2{margin-bottom:16px;}
        .mb-3{margin-bottom:24px;}
        .mb-4{margin-bottom:32px;}
        /* Grid helpers */
        .grid-2{
            display:grid;
            grid-template-columns:repeat(2,1fr);
            gap:var(--card-gap);
        }
        .grid-3{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:var(--card-gap);
        }
        .grid-4{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
        }
        .gap-2{column-gap:16px;}
        /* FAQ */
        .faq-accordion .accordion-item{
            border:1px solid var(--color-border);
            border-radius:var(--radius-md);
            background:var(--color-card);
            margin-bottom:12px;
            box-shadow:var(--shadow-sm);
            overflow:hidden;
        }
        .faq-accordion .accordion-header button{
            width:100%;
            text-align:left;
            padding:18px 22px;
            font-size:16px;
            font-weight:600;
            background:var(--color-card);
            border:none;
            display:flex;
            justify-content:space-between;
            align-items:center;
            gap:16px;
            transition:background var(--transition), color var(--transition);
        }
        .faq-accordion .accordion-header button:hover{
            background:rgba(185,145,75,0.06);
            color:var(--color-gold);
        }
        .faq-accordion .accordion-header button:focus-visible{
            outline:2px solid var(--color-gold);
            outline-offset:-2px;
        }
        .faq-accordion .accordion-header .faq-icon{
            flex-shrink:0;
            width:24px;
            height:24px;
            border-radius:50%;
            background:rgba(185,145,75,0.12);
            color:var(--color-gold);
            display:flex;
            align-items:center;
            justify-content:center;
            font-size:18px;
            line-height:1;
            transition:transform var(--transition);
        }
        .faq-accordion .accordion-header button[aria-expanded="true"] .faq-icon{
            transform:rotate(45deg);
        }
        .faq-accordion .accordion-body{
            padding:0 22px 20px;
            color:var(--color-text-secondary);
            font-size:15px;
            line-height:1.8;
        }
        /* Risk panel */
        .risk-panel{
            background:var(--color-risk-bg);
            border:1px solid var(--color-risk-border);
            border-radius:var(--radius-lg);
            padding:24px 28px;
            font-size:14px;
            color:var(--color-rise);
            line-height:1.8;
            display:flex;
            gap:12px;
            align-items:flex-start;
        }
        .risk-panel .risk-icon{
            flex-shrink:0;
            width:28px;
            height:28px;
            background:var(--color-rise);
            color:#fff;
            border-radius:50%;
            display:flex;
            align-items:center;
            justify-content:center;
            font-weight:700;
            font-size:16px;
        }
        /* CTA */
        .cta-strip{
            background:var(--color-ink);
            color:#fff;
            border-radius:var(--radius-xl);
            padding:44px 40px;
            display:flex;
            align-items:center;
            justify-content:space-between;
            gap:32px;
            flex-wrap:wrap;
        }
        .cta-strip h3{
            font-size:24px;
            font-weight:700;
            margin-bottom:8px;
        }
        .cta-strip p{
            color:rgba(255,255,255,0.75);
            margin-bottom:0;
        }
        /* Table-like comparison cards */
        .compare-card{
            background:var(--color-card);
            border:1px solid var(--color-border);
            border-radius:var(--radius-lg);
            padding:26px;
            box-shadow:var(--shadow-sm);
            transition:all var(--transition);
        }
        .compare-card:hover{
            border-color:var(--color-gold-light);
            box-shadow:var(--shadow-md);
            transform:translateY(-2px);
        }
        .compare-card .compare-head{
            font-size:18px;
            font-weight:700;
            margin-bottom:16px;
            padding-bottom:12px;
            border-bottom:1px solid var(--color-border);
            display:flex;
            align-items:center;
            justify-content:space-between;
        }
        .compare-list{
            list-style:none;
            padding:0;
            margin:0;
        }
        .compare-list li{
            padding:8px 0;
            display:flex;
            justify-content:space-between;
            gap:12px;
            border-bottom:1px dashed var(--color-border);
            font-size:14px;
        }
        .compare-list li:last-child{
            border-bottom:none;
        }
        .compare-list .label{
            color:var(--color-text-secondary);
        }
        .compare-list .value{
            font-weight:600;
            text-align:right;
        }
        /* Footer */
        .site-footer{
            background:var(--color-ink);
            color:#fff;
            padding-top:56px;
            padding-bottom:24px;
        }
        .footer-top{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:40px;
            margin-bottom:40px;
        }
        .footer-brand{
            max-width:300px;
        }
        .footer-logo{
            font-size:20px;
            font-weight:700;
            margin-bottom:16px;
            letter-spacing:0.02em;
        }
        .footer-logo span{
            color:var(--color-gold);
        }
        .footer-brand p{
            color:rgba(255,255,255,0.65);
            font-size:13px;
            line-height:1.8;
        }
        .footer-col h4{
            font-size:15px;
            font-weight:600;
            margin-bottom:16px;
            color:var(--color-gold-light);
        }
        .footer-col a{
            display:block;
            color:rgba(255,255,255,0.7);
            font-size:13px;
            padding:5px 0;
            transition:color var(--transition);
        }
        .footer-col a:hover{
            color:#fff;
        }
        .footer-bottom{
            border-top:1px solid rgba(255,255,255,0.12);
            padding-top:20px;
            display:flex;
            justify-content:space-between;
            align-items:center;
            flex-wrap:wrap;
            gap:12px;
            font-size:12px;
            color:rgba(255,255,255,0.5);
        }
        /* Responsive */
        @media (max-width:1024px){
            .grid-4{grid-template-columns:repeat(2,1fr);}
            .grid-3{grid-template-columns:repeat(2,1fr);}
            .footer-top{grid-template-columns:1fr 1fr; gap:24px;}
            .page-banner h1{font-size:36px;}
        }
        @media (max-width:768px){
            :root{
                --nav-height:60px;
                --section-space:56px;
            }
            .nav-menu{
                position:fixed;
                top:var(--nav-height);
                left:0;
                right:0;
                background:rgba(255,255,255,0.98);
                backdrop-filter:blur(14px);
                flex-direction:column;
                align-items:flex-start;
                padding:20px 24px;
                gap:4px;
                border-bottom:1px solid var(--color-border);
                box-shadow:var(--shadow-sm);
                transform:translateY(-120%);
                transition:transform var(--transition);
                z-index:999;
            }
            .nav-menu.open{
                transform:translateY(0);
            }
            .nav-menu a{
                width:100%;
                padding:12px 16px;
            }
            .hamburger{
                display:flex;
            }
            .grid-2,
            .grid-3,
            .grid-4{
                grid-template-columns:1fr;
            }
            .page-banner{
                padding:48px 0 40px;
            }
            .page-banner h1{
                font-size:32px;
            }
            .section-title{
                font-size:24px;
            }
            .cta-strip{
                padding:32px 24px;
                flex-direction:column;
                text-align:center;
            }
            .compare-card{
                padding:20px;
            }
            .footer-top{
                grid-template-columns:1fr;
                gap:28px;
            }
            .footer-bottom{
                flex-direction:column;
                text-align:center;
            }
        }
        @media (max-width:520px){
            .page-banner h1{
                font-size:28px;
            }
            .btn-gold,
            .btn-outline-light{
                width:100%;
                padding-left:16px;
                padding-right:16px;
            }
        }

/* roulang page: article */
:root {
            --color-ink: #1C1F26;
            --color-gold: #B9914B;
            --color-gold-light: #D2AE6A;
            --color-cream: #F6F2EB;
            --color-card: #FFFFFF;
            --color-muted-bg: #F0EBE1;
            --color-border: #E5DECF;
            --color-text: #1C1F26;
            --color-text-secondary: #5C636E;
            --color-rise: #C44545;
            --color-fall: #2E8A6E;
            --color-risk-bg: #F9E9E6;
            --color-risk-border: #EAC8C0;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(28, 31, 38, 0.04);
            --shadow-md: 0 4px 18px rgba(28, 31, 38, 0.06);
            --shadow-lg: 0 12px 32px rgba(28, 31, 38, 0.10);
            --shadow-gold: 0 8px 24px rgba(185, 145, 75, 0.18);
            --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --nav-height: 68px;
            --section-space: 80px;
            --section-space-mobile: 48px;
            --card-gap: 28px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-cream);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            color: inherit;
        }
        input,
        select {
            font-family: var(--font-sans);
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .logo .logo-gold {
            color: var(--color-gold);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--color-gold);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-menu a:hover {
            color: var(--color-gold);
            background: rgba(185, 145, 75, 0.08);
        }
        .nav-menu a.active {
            color: var(--color-gold);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .nav-menu a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(185, 145, 75, 0.10);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: background var(--transition), transform var(--transition);
        }
        .article-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 80px 0 64px;
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(28,31,38,0.92) 0%, rgba(28,31,38,0.68) 100%);
            z-index: 1;
        }
        .article-hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            color: #fff;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255,255,255,0.72);
            margin-bottom: 22px;
        }
        .breadcrumb a {
            color: #fff;
        }
        .breadcrumb a:hover {
            color: var(--color-gold-light);
        }
        .breadcrumb span {
            color: rgba(255,255,255,0.45);
        }
        .article-hero h1 {
            font-size: clamp(30px, 4vw, 42px);
            line-height: 1.35;
            font-weight: 700;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: 0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            font-size: 14px;
            color: rgba(255,255,255,0.78);
        }
        .article-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-section {
            padding: var(--section-space) 0;
            background: var(--color-cream);
        }
        .article-body {
            max-width: 860px;
            margin: 0 auto 32px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 40px 48px;
            box-shadow: var(--shadow-md);
        }
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            margin-top: 28px;
            margin-bottom: 14px;
            font-weight: 600;
            color: var(--color-ink);
        }
        .article-body h2 {
            font-size: 26px;
        }
        .article-body h3 {
            font-size: 20px;
        }
        .article-body p {
            margin-bottom: 18px;
            color: #2B3038;
            line-height: 1.9;
        }
        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 24px;
            padding-left: 4px;
        }
        .article-body li {
            margin-bottom: 8px;
            color: #2B3038;
        }
        .article-body blockquote {
            border-left: 3px solid var(--color-gold);
            padding: 16px 20px;
            margin: 22px 0;
            background: rgba(185,145,75,0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--color-ink);
            font-weight: 500;
        }
        .article-body table {
            width: 100%;
            margin: 22px 0;
            border-collapse: collapse;
            font-size: 14px;
        }
        .article-body th,
        .article-body td {
            border: 1px solid var(--color-border);
            padding: 12px 16px;
            text-align: left;
        }
        .article-body th {
            background: var(--color-muted-bg);
            font-weight: 600;
            color: var(--color-ink);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 24px 0;
        }
        .empty-state {
            text-align: center;
            padding: 48px 20px;
        }
        .empty-state h2 {
            font-size: 24px;
            margin-bottom: 12px;
            color: var(--color-ink);
        }
        .empty-state p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-bottom: 24px;
        }
        .risk-inline {
            max-width: 860px;
            margin: 0 auto 24px;
            background: var(--color-risk-bg);
            border: 1px solid var(--color-risk-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            font-size: 14px;
            color: #8C2F2F;
            line-height: 1.7;
        }
        .risk-inline strong {
            font-weight: 600;
        }
        .tag-row {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
        }
        .tag-label {
            font-weight: 600;
            font-size: 14px;
            color: var(--color-ink);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            border-radius: 999px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: all var(--transition);
        }
        .tag:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
        }
        .article-nav-section {
            padding: 0 0 var(--section-space);
            background: var(--color-cream);
        }
        .article-nav-row {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 16px;
        }
        .article-nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 12px 20px;
            border-radius: var(--radius-sm);
            background: var(--color-card);
            border: 1px solid var(--color-border);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-ink);
            transition: all var(--transition);
        }
        .article-nav-link:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .cta-section {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 72px 0;
            color: #fff;
            border-top: 1px solid var(--color-border);
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(28,31,38,0.94) 0%, rgba(28,31,38,0.75) 100%);
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }
        .cta-left h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-left p {
            font-size: 16px;
            color: rgba(255,255,255,0.8);
            max-width: 560px;
            margin: 0;
        }
        .cta-right {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            min-height: 46px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: all var(--transition);
            border: 1px solid transparent;
            text-align: center;
            white-space: nowrap;
        }
        .btn:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .btn-gold {
            background: var(--color-gold);
            color: var(--color-ink);
            border-color: var(--color-gold);
        }
        .btn-gold:hover {
            background: var(--color-gold-light);
            border-color: var(--color-gold-light);
            color: var(--color-ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.6);
        }
        .btn-outline-light:hover {
            background: #fff;
            color: var(--color-ink);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 14px 28px;
            min-height: 52px;
            font-size: 16px;
        }
        .site-footer {
            background: var(--color-ink);
            color: rgba(255,255,255,0.72);
            padding: 56px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-logo {
            font-size: 21px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-logo span {
            color: var(--color-gold-light);
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255,255,255,0.68);
            margin-bottom: 10px;
            transition: color var(--transition), transform var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-gold-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0 24px;
            font-size: 13px;
            color: rgba(255,255,255,0.52);
        }
        @media (max-width: 1024px) {
            .hamburger {
                display: flex;
            }
            .nav-menu {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                background: #fff;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-md);
                padding: 12px 24px;
                display: none;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-menu a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
            }
            .nav-menu a::after {
                display: none;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-space: 56px;
            }
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }
            .article-hero {
                padding: 56px 0 44px;
            }
            .article-body {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 56px 0;
            }
            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 26px;
            }
            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
            .article-body {
                padding: 22px 16px;
            }
            .article-nav-row {
                flex-direction: column;
            }
            .article-nav-link {
                justify-content: center;
            }
            .btn {
                width: 100%;
            }
            .cta-right {
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --color-ink: #1C1F26;
            --color-gold: #B9914B;
            --color-gold-light: #D2AE6A;
            --color-cream: #F6F2EB;
            --color-card: #FFFFFF;
            --color-muted-bg: #F0EBE1;
            --color-border: #E5DECF;
            --color-text: #1C1F26;
            --color-text-secondary: #5C636E;
            --color-rise: #C44545;
            --color-fall: #2E8A6E;
            --color-risk-bg: #F9E9E6;
            --color-risk-border: #EAC8C0;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'DIN Alternate', 'Roboto Mono', 'SFMono-Regular', Consolas, monospace;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(28, 31, 38, 0.04);
            --shadow-md: 0 4px 18px rgba(28, 31, 38, 0.06);
            --shadow-lg: 0 12px 32px rgba(28, 31, 38, 0.10);
            --shadow-gold: 0 8px 24px rgba(185, 145, 75, 0.18);
            --transition: 0.28s cubic-bezier(0.22, 0.61, 0.36, 1);
            --container-max: 1200px;
            --nav-height: 68px;
            --section-space: 80px;
            --section-space-mobile: 48px;
            --card-gap: 28px;
        }

        html {
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text);
            background: var(--color-cream);
            min-height: 100vh;
            letter-spacing: 0.01em;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--color-gold);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: var(--font-sans);
            cursor: pointer;
            border: none;
            background: none;
            font-size: inherit;
            color: inherit;
        }
        input, select {
            font-family: var(--font-sans);
            font-size: inherit;
            color: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.02em;
            flex-shrink: 0;
        }
        .logo .logo-gold {
            color: var(--color-gold);
        }
        .logo a {
            color: inherit;
        }
        .logo a:hover {
            color: var(--color-gold);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-menu a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color var(--transition), background var(--transition);
            white-space: nowrap;
        }
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--color-gold);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }
        .nav-menu a:hover {
            color: var(--color-gold);
            background: rgba(185, 145, 75, 0.08);
        }
        .nav-menu a.active {
            color: var(--color-gold);
            font-weight: 600;
        }
        .nav-menu a.active::after {
            transform: scaleX(1);
        }
        .nav-menu a:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .hamburger:hover {
            background: rgba(185, 145, 75, 0.10);
        }
        .hamburger:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }
        .hamburger span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: transform var(--transition), opacity var(--transition);
        }
        .hamburger.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .hamburger.open span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Breadcrumb & Narrow Banner ===== */
        .breadcrumb-wrap {
            padding: 16px 0;
            font-size: 13px;
            color: var(--color-text-secondary);
            background: transparent;
        }
        .breadcrumb-wrap a {
            color: var(--color-text-secondary);
            transition: color var(--transition);
        }
        .breadcrumb-wrap a:hover {
            color: var(--color-gold);
        }
        .breadcrumb-wrap .sep {
            margin: 0 8px;
            color: var(--color-border);
        }
        .breadcrumb-wrap .current {
            color: var(--color-gold);
            font-weight: 500;
        }
        .category-banner {
            position: relative;
            background: var(--color-ink);
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: 52px 52px 46px;
            margin-bottom: var(--section-space);
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/b61df74bfcf183cc.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .category-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .category-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(185, 145, 75, 0.18);
            border: 1px solid rgba(185, 145, 75, 0.4);
            border-radius: 20px;
            color: var(--color-gold-light);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 16px;
        }
        .category-banner h1 {
            font-size: 38px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .category-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.9;
            margin-bottom: 0;
            max-width: 640px;
        }
        .category-banner .risk-note {
            position: absolute;
            right: 24px;
            bottom: 16px;
            z-index: 2;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.55);
            text-align: right;
        }

        /* ===== Section Base ===== */
        .section {
            padding: var(--section-space) 0;
        }
        .section-alt {
            background: var(--color-muted-bg);
        }
        .section-heading {
            margin-bottom: 38px;
        }
        .section-heading .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-gold);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }
        .section-heading h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-ink);
            line-height: 1.35;
            margin-bottom: 8px;
        }
        .section-heading .lead {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 680px;
        }

        /* ===== Cards & Components ===== */
        .card-base {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            padding: 24px;
            height: 100%;
        }
        .card-base:hover {
            transform: translateY(-3px);
            border-color: var(--color-gold);
            box-shadow: var(--shadow-lg);
        }
        .gold-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 12px;
            background: rgba(185, 145, 75, 0.1);
            border: 1px solid rgba(185, 145, 75, 0.35);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-gold);
        }
        .text-secondary {
            color: var(--color-text-secondary);
        }
        .fw-bold-cn {
            font-weight: 700;
        }
        .risk-inline {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            padding: 12px 16px;
            background: var(--color-risk-bg);
            border: 1px solid var(--color-risk-border);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: #8B4A3F;
            line-height: 1.7;
            margin-top: 16px;
        }
        .risk-inline .risk-icon {
            flex-shrink: 0;
            font-size: 15px;
            line-height: 1.6;
        }

        /* ===== Fee Structure ===== */
        .fee-structure-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: var(--card-gap);
            align-items: stretch;
        }
        .fee-structure-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .fee-structure-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px 18px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            transition: border-color var(--transition);
        }
        .fee-structure-item:hover {
            border-color: var(--color-gold);
        }
        .fee-structure-item .fs-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: rgba(185, 145, 75, 0.12);
            color: var(--color-gold);
            font-size: 18px;
        }
        .fee-structure-item h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 2px;
            color: var(--color-ink);
        }
        .fee-structure-item p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }
        .fee-structure-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
            min-height: 320px;
        }
        .fee-structure-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        /* ===== Fee Comparison ===== */
        .fee-compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--card-gap);
        }
        .fee-compare-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .fee-compare-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-gold);
            box-shadow: var(--shadow-lg);
        }
        .fee-compare-card .compare-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px dashed var(--color-border);
        }
        .fee-compare-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            color: var(--color-ink);
        }
        .fee-compare-card .compare-rate {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-gold);
            font-family: var(--font-mono);
            line-height: 1.1;
        }
        .fee-compare-card .compare-rate small {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-secondary);
        }
        .fee-compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .fee-compare-card ul li {
            position: relative;
            padding-left: 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 4px;
        }
        .fee-compare-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--color-gold);
            font-weight: 700;
        }

        /* ===== Hidden Fees ===== */
        .hidden-fees-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .hidden-fee-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }
        .hidden-fee-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
        }
        .hidden-fee-card .hf-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 3px 10px;
            background: rgba(196, 69, 69, 0.08);
            border: 1px solid rgba(196, 69, 69, 0.25);
            border-radius: 16px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-rise);
            margin-bottom: 12px;
        }
        .hidden-fee-card h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--color-ink);
        }
        .hidden-fee-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        /* ===== Calculator ===== */
        .calculator-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }
        .calculator-panel .calc-header {
            background: var(--color-ink);
            color: #FFFFFF;
            padding: 20px 24px;
        }
        .calculator-panel .calc-header h3 {
            font-size: 18px;
            font-weight: 600;
            margin: 0;
        }
        .calculator-panel .calc-header p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin: 4px 0 0;
        }
        .calculator-panel .calc-body {
            padding: 24px;
        }
        .calc-form-group {
            margin-bottom: 16px;
        }
        .calc-form-group label {
            display: block;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .calc-form-group input,
        .calc-form-group select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            outline: none;
            background: #FDFCFA;
            transition: border-color var(--transition), box-shadow var(--transition);
            font-size: 15px;
        }
        .calc-form-group input:focus,
        .calc-form-group select:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px rgba(185, 145, 75, 0.18);
        }
        .calc-result {
            margin-top: 18px;
            padding: 16px 20px;
            background: rgba(185, 145, 75, 0.06);
            border: 1px solid rgba(185, 145, 75, 0.3);
            border-radius: var(--radius-md);
            text-align: center;
        }
        .calc-result .result-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 4px;
        }
        .calc-result .result-value {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-gold);
            font-family: var(--font-mono);
            margin-bottom: 4px;
        }
        .calc-result .result-note {
            font-size: 12px;
            color: var(--color-text-secondary);
        }

        /* ===== Promo Bar ===== */
        .promo-bar {
            background: linear-gradient(135deg, var(--color-ink) 0%, #2A2D35 100%);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .promo-bar .promo-text {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #FFFFFF;
        }
        .promo-bar .promo-icon {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(185, 145, 75, 0.2);
            border: 1px solid rgba(185, 145, 75, 0.5);
            color: var(--color-gold-light);
            font-size: 20px;
            flex-shrink: 0;
        }
        .promo-bar h3 {
            font-size: 17px;
            font-weight: 600;
            margin: 0;
            color: #FFFFFF;
        }
        .promo-bar p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
            margin: 2px 0 0;
        }
        .promo-bar .promo-actions {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }

        /* ===== Buttons ===== */
        .btn-primary-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--color-gold);
            color: var(--color-ink);
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
            min-height: 44px;
            border: 1px solid var(--color-gold);
        }
        .btn-primary-gold:hover {
            background: var(--color-gold-light);
            color: var(--color-ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: transparent;
            color: var(--color-ink);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-ink);
            transition: background var(--transition), color var(--transition), transform var(--transition);
            white-space: nowrap;
            min-height: 44px;
        }
        .btn-outline-dark:hover {
            background: var(--color-ink);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .btn-outline-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 20px;
            background: transparent;
            color: var(--color-gold-light);
            font-size: 14px;
            font-weight: 500;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(185, 145, 75, 0.5);
            transition: background var(--transition), color var(--transition);
            white-space: nowrap;
            min-height: 40px;
        }
        .btn-outline-gold:hover {
            background: rgba(185, 145, 75, 0.15);
            color: var(--color-gold-light);
        }
        .focus-visible-custom:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 2px;
        }

        /* ===== FAQ ===== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--color-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--color-gold);
        }
        .faq-accordion .accordion-button {
            padding: 16px 20px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            background: var(--color-card);
            border: none;
            box-shadow: none !important;
            transition: color var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-gold);
            background: rgba(185, 145, 75, 0.04);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(185, 145, 75, 0.18) !important;
            border-color: var(--color-gold);
        }
        .faq-accordion .accordion-body {
            padding: 16px 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* ===== Related Posts ===== */
        .related-posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--card-gap);
        }
        .related-post-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-post-card:hover {
            transform: translateY(-3px);
            border-color: var(--color-gold);
            box-shadow: var(--shadow-md);
        }
        .related-post-card .post-body {
            padding: 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-post-card .post-category {
            display: inline-flex;
            align-self: flex-start;
            padding: 3px 10px;
            background: rgba(185, 145, 75, 0.1);
            border-radius: 14px;
            font-size: 12px;
            font-weight: 500;
            color: var(--color-gold);
            margin-bottom: 8px;
        }
        .related-post-card h3 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .related-post-card .post-meta {
            font-size: 12px;
            color: var(--color-text-secondary);
            margin-top: auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .empty-state {
            text-align: center;
            padding: 36px 20px;
            background: var(--color-card);
            border: 1px dashed var(--color-border);
            border-radius: var(--radius-lg);
            color: var(--color-text-secondary);
            font-size: 15px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: linear-gradient(135deg, #23252E 0%, #1C1F26 100%);
            border-radius: var(--radius-xl);
            padding: 48px 52px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            width: 220px;
            height: 220px;
            right: -60px;
            top: -60px;
            background: radial-gradient(circle, rgba(185, 145, 75, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
            max-width: 520px;
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.85;
            margin: 0;
        }
        .cta-section .cta-actions {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--color-ink);
            color: rgba(255, 255, 255, 0.78);
            padding: 48px 0 24px;
            margin-top: var(--section-space);
        }
        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-logo span {
            color: var(--color-gold);
        }
        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-gold);
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .nav-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                flex-direction: column;
                background: #FFFFFF;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                padding: 16px 24px;
                gap: 4px;
                transform: translateY(-110%);
                transition: transform var(--transition);
                z-index: 999;
            }
            .nav-menu.open-mobile {
                transform: translateY(0);
            }
            .nav-menu a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .nav-menu a::after {
                display: none;
            }
            .nav-menu a.active {
                background: rgba(185, 145, 75, 0.1);
            }
            .hamburger {
                display: flex;
            }
            .fee-structure-grid {
                grid-template-columns: 1fr;
            }
            .fee-structure-image {
                min-height: 240px;
                order: -1;
            }
            .hidden-fees-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-posts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 28px;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-space: 48px;
            }
            .category-banner {
                padding: 32px 24px 28px;
                border-radius: var(--radius-lg);
                margin-bottom: 36px;
            }
            .category-banner h1 {
                font-size: 28px;
            }
            .category-banner p {
                font-size: 14px;
            }
            .category-banner .risk-note {
                position: static;
                text-align: left;
                margin-top: 12px;
                color: rgba(255, 255, 255, 0.5);
            }
            .fee-compare-grid {
                grid-template-columns: 1fr;
            }
            .hidden-fees-grid {
                grid-template-columns: 1fr;
            }
            .related-posts-grid {
                grid-template-columns: 1fr;
            }
            .promo-bar {
                flex-direction: column;
                align-items: flex-start;
                padding: 22px 20px;
            }
            .section-heading h2 {
                font-size: 22px;
            }
            .cta-section h2 {
                font-size: 21px;
            }
            .site-footer .footer-top {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .category-banner {
                padding: 26px 18px 22px;
            }
            .category-banner h1 {
                font-size: 24px;
            }
            .btn-primary-gold,
            .btn-outline-dark {
                width: 100%;
                justify-content: center;
            }
            .cta-section {
                padding: 24px 18px;
            }
            .calc-result .result-value {
                font-size: 22px;
            }
        }