/* roulang page: index */
:root {
            --primary-900: #0B2B23;
            --primary-800: #123A30;
            --primary-700: #1B4D3C;
            --primary-600: #27684F;
            --primary-100: #E4EDE8;
            --accent-700: #A8462A;
            --accent-600: #C05A35;
            --accent-100: #F6E4DC;
            --gold-500: #C8A45D;
            --cream-50: #FAF7F2;
            --ink-900: #1A2322;
            --ink-600: #4A5A56;
            --line: #E4DDD2;
            --shadow-sm: 0 1px 2px rgba(11, 43, 35, .06);
            --shadow-lg: 0 12px 32px rgba(11, 43, 35, .12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: .01em;
            background: var(--cream-50);
            color: var(--ink-900);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary-700);
            text-decoration: none;
            transition: color .25s;
        }
        a:hover {
            color: var(--accent-600);
        }

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

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

        .font-display {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 200px;
            background: var(--primary-900);
            display: flex;
            flex-direction: column;
            z-index: 50;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 64px;
            padding: 0 18px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            background: var(--gold-500);
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-900);
            font-family: Georgia, serif;
            font-weight: 700;
            font-size: 13px;
            letter-spacing: -.5px;
            flex-shrink: 0;
        }

        .logo-text {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            white-space: nowrap;
        }

        .side-nav {
            padding: 16px 0;
            flex: 1;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 18px;
            margin: 3px 12px;
            border-radius: 10px;
            color: rgba(250, 245, 240, .68);
            font-size: 14px;
            font-weight: 500;
            transition: all .25s;
            line-height: 1.4;
        }

        .nav-item svg {
            width: 19px;
            height: 19px;
            flex-shrink: 0;
            opacity: .85;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
        }

        .nav-item.active {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            font-weight: 700;
            box-shadow: inset 3px 0 0 var(--gold-500);
        }

        .sidebar-footer {
            padding: 16px 18px;
            color: rgba(250, 245, 240, .4);
            font-size: 12px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            display: flex;
            justify-content: space-between;
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--primary-900);
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            z-index: 60;
        }

        .drawer-mask {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, .5);
            z-index: 80;
            opacity: 0;
            pointer-events: none;
            transition: opacity .3s;
        }

        .drawer-mask.show {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 72vw;
            max-width: 320px;
            background: var(--primary-900);
            z-index: 90;
            transform: translateX(-105%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding-top: 10px;
        }

        .drawer.open {
            transform: translateX(0);
        }

        .drawer .side-nav {
            padding-top: 10px;
        }

        .drawer .sidebar-footer {
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .main-content {
            margin-left: 200px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        .container-x {
            width: 100%;
            max-width: 1140px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 43, 35, .95) 0%, rgba(11, 43, 35, .62) 50%, rgba(11, 43, 35, .12) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            max-width: 640px;
        }

        .hero-title {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
            font-size: 42px;
            font-weight: 700;
            line-height: 1.18;
            color: #fff;
            margin: 0 0 18px;
            letter-spacing: 0;
        }

        .hero-title .gold {
            color: var(--gold-500);
        }

        .hero-sub {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(250, 245, 240, .9);
            margin: 0 0 30px;
            max-width: 480px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 34px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent-600);
            color: #fff;
            border-radius: 999px;
            padding: 13px 28px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: all .3s;
            text-decoration: none;
        }

        .btn-primary:hover {
            background: var(--accent-700);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(192, 90, 53, .35);
        }

        .btn-primary:active {
            transform: scale(.98);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .7);
            border-radius: 999px;
            padding: 12px 28px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: all .3s;
            text-decoration: none;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            color: rgba(255, 255, 255, .78);
            font-size: 13px;
            line-height: 1.6;
        }

        .hero-trust span {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-trust span:not(:last-child)::after {
            content: '·';
            margin-left: 6px;
            color: rgba(255, 255, 255, .45);
        }

        .section-title {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--ink-900);
            margin: 0 0 10px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--ink-600);
            max-width: 520px;
            line-height: 1.7;
        }

        .gold-line {
            width: 44px;
            height: 3px;
            background: var(--gold-500);
            border-radius: 3px;
            margin-bottom: 18px;
        }

        .step-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .step-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            padding: 30px 28px;
            box-shadow: var(--shadow-sm);
            transition: all .3s;
            position: relative;
        }

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

        .step-num {
            font-family: Georgia, serif;
            font-style: italic;
            font-size: 52px;
            line-height: 1;
            color: var(--gold-500);
            display: block;
            margin-bottom: 20px;
        }

        .step-icon {
            width: 42px;
            height: 42px;
            background: var(--primary-700);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .step-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--ink-900);
            margin: 0 0 10px;
        }

        .step-card p {
            font-size: 15px;
            color: var(--ink-600);
            line-height: 1.7;
            margin: 0;
        }

        @media (min-width: 768px) {
            .step-grid .step-card:nth-child(2) {
                margin-top: 40px;
            }
            .step-grid .step-card:nth-child(3) {
                margin-top: 80px;
            }
        }

        .case-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            margin-bottom: 56px;
        }

        .case-block:nth-child(3) {
            grid-template-columns: 1.1fr .9fr;
        }

        .case-block:nth-child(3) .case-img-wrap {
            order: 1;
        }

        .case-block:nth-child(3) .case-text {
            order: 0;
        }

        .case-img-wrap {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 30px rgba(11, 43, 35, .1);
            background: #d8d6d0;
        }

        .case-img-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
        }

        .case-tag {
            display: inline-block;
            background: var(--accent-100);
            color: var(--accent-700);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .case-text h3 {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
            font-size: 24px;
            font-weight: 700;
            margin: 0 0 12px;
            color: var(--ink-900);
        }

        .case-text p {
            color: var(--ink-600);
            line-height: 1.75;
            margin: 0 0 16px;
        }

        .case-metric {
            font-family: Georgia, serif;
            font-size: 40px;
            font-weight: 700;
            color: var(--accent-600);
            line-height: 1.1;
            margin: 16px 0 8px;
        }

        .case-quote {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
            font-style: italic;
            font-size: 16px;
            color: var(--ink-600);
            border-left: 3px solid var(--gold-500);
            padding-left: 16px;
            margin-top: 14px;
            line-height: 1.7;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: .9fr 1.1fr;
            gap: 48px;
            margin-top: 36px;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            background: transparent;
            border: none;
            padding: 18px 0;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink-900);
            cursor: pointer;
            text-align: left;
            transition: color .25s;
        }

        .faq-question:hover {
            color: var(--primary-700);
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            transition: transform .3s;
            color: var(--primary-700);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0;
        }

        .faq-answer-inner {
            padding: 0 26px 18px 0;
            color: var(--ink-600);
            font-size: 15px;
            line-height: 1.7;
        }

        .cta-section {
            background: var(--primary-900);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .cta-section .container-x {
            position: relative;
            z-index: 1;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 32px;
        }

        .form-field input,
        .form-field select {
            width: 100%;
            height: 50px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 10px;
            color: #fff;
            padding: 0 18px;
            font-size: 15px;
            outline: none;
            transition: all .3s;
        }

        .form-field input::placeholder {
            color: rgba(255, 255, 255, .4);
        }

        .form-field input:focus,
        .form-field select:focus {
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(200, 164, 93, .2);
        }

        .form-field select {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23E4DDD2' stroke-width='2'%3e%3cpath d='M6 9l6 6 6-6'/%3e%3c/svg%3e");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 18px;
            color: rgba(255, 255, 255, .85);
        }

        .form-field select option {
            color: var(--ink-900);
            background: #fff;
        }

        .cta-submit {
            grid-column: 1 / -1;
        }

        .privacy-note {
            font-size: 12px;
            color: rgba(255, 255, 255, .5);
            text-align: center;
            margin-top: 16px;
        }

        .post-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 16px;
            overflow: hidden;
            transition: all .3s;
            display: flex;
            flex-direction: column;
        }

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

        .post-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #e0ddd6;
        }

        .post-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s;
        }

        .post-card:hover .post-img img {
            transform: scale(1.03);
        }

        .post-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .post-badge {
            display: inline-block;
            background: var(--accent-100);
            color: var(--accent-700);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .post-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--ink-900);
            line-height: 1.45;
            margin: 0 0 10px;
        }

        .post-body h3 a {
            color: inherit;
        }

        .post-body h3 a:hover {
            color: var(--primary-700);
        }

        .post-excerpt {
            font-size: 14px;
            color: var(--ink-600);
            line-height: 1.65;
            margin: 0 0 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }

        .post-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--ink-600);
        }

        .post-meta .read-more {
            color: var(--primary-700);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all .25s;
        }

        .post-meta .read-more:hover {
            color: var(--accent-600);
        }

        .post-meta .read-more svg {
            width: 14px;
            height: 14px;
            transition: transform .25s;
        }

        .post-meta .read-more:hover svg {
            transform: translateX(3px);
        }

        .empty-state {
            border: 2px dashed var(--line);
            border-radius: 16px;
            min-height: 200px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            color: var(--ink-600);
            font-size: 15px;
            background: rgba(255, 255, 255, .4);
            animation: fadeIn .4s ease;
        }

        .empty-state svg {
            width: 28px;
            height: 28px;
            color: var(--gold-500);
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .footer {
            background: var(--primary-900);
            color: rgba(250, 245, 240, .7);
            margin-top: auto;
            border-top: 2px solid var(--gold-500);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            padding: 48px 0 36px;
        }

        .footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin: 0 0 16px;
        }

        .footer p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0 0 10px;
            color: rgba(250, 245, 240, .65);
        }

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

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

        .footer ul a {
            color: rgba(250, 245, 240, .65);
            font-size: 14px;
            transition: all .25s;
        }

        .footer ul a:hover {
            color: var(--gold-500);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }

        .footer-logo .logo-text {
            font-size: 18px;
        }

        @media (min-width: 1024px) {
            .hero {
                min-height: 620px;
            }
            .hero-title {
                font-size: 54px;
            }
        }

        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }
            .hero {
                min-height: 480px;
            }
            .hero-title {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .step-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .step-grid .step-card:nth-child(2),
            .step-grid .step-card:nth-child(3) {
                margin-top: 0;
            }
            .case-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .case-block:nth-child(3) {
                grid-template-columns: 1fr;
            }
            .case-block:nth-child(3) .case-img-wrap {
                order: 0;
            }
            .case-block:nth-child(3) .case-text {
                order: 0;
            }
            .faq-wrap {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .container-x {
                padding: 0 18px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
            }
            .hero-trust {
                font-size: 12px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 36px 0 28px;
            }
        }

/* roulang page: category1 */
:root {
            --primary-900: #0B2B23;
            --primary-800: #123A30;
            --primary-700: #1B4D3C;
            --primary-600: #27684F;
            --primary-100: #E4EDE8;
            --accent-700: #A8462A;
            --accent-600: #C05A35;
            --accent-100: #F6E4DC;
            --gold-500: #C8A45D;
            --cream-50: #FAF7F2;
            --ink-900: #1A2322;
            --ink-600: #4A5A56;
            --line: #E4DDD2;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--cream-50);
            color: var(--ink-900);
            line-height: 1.6;
            font-size: 16px;
            letter-spacing: 0.01em;
        }

        .font-serif {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
        }

        .container-x {
            max-width: 1140px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width: 768px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width: 1024px) {
            .container-x {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* App Shell Layout */
        .app-layout {
            display: block;
        }

        @media (min-width: 1024px) {
            .app-layout {
                display: flex;
                min-height: 100vh;
            }
            .side-nav-wrap {
                width: 200px;
                flex-shrink: 0;
                position: fixed;
                left: 0;
                top: 0;
                bottom: 0;
                z-index: 50;
            }
            .main-content {
                margin-left: 200px;
                width: calc(100% - 200px);
            }
        }

        /* Sidebar */
        .side-nav {
            background-color: var(--primary-900);
            color: rgba(250, 245, 240, 0.7);
            height: 100%;
            display: flex;
            flex-direction: column;
            padding: 1.5rem 1rem;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.5rem 0.5rem 1.25rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 1.25rem;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--gold-500), #a8843f);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.72rem;
            color: var(--primary-900);
            letter-spacing: -0.02em;
            font-family: Georgia, serif;
        }

        .logo-text {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 700;
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', serif;
            white-space: nowrap;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            padding: 0.7rem 0.75rem;
            border-radius: 0.5rem;
            color: rgba(250, 245, 240, 0.75);
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 500;
            transition: background 0.2s, color 0.2s;
            position: relative;
            margin-bottom: 0.25rem;
        }

        .nav-item svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .nav-item.active {
            background: rgba(255, 255, 255, 0.05);
            color: #fff;
            font-weight: 600;
        }

        .nav-item.active::before {
            content: '';
            position: absolute;
            left: -1rem;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold-500);
            border-radius: 0 3px 3px 0;
        }

        .side-nav-foot {
            margin-top: auto;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.75rem;
            color: rgba(250, 245, 240, 0.4);
            display: flex;
            justify-content: space-between;
        }

        /* Mobile topbar */
        .mobile-topbar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: var(--primary-900);
            padding: 0 1.25rem;
            z-index: 60;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .mobile-topbar .logo-text {
            font-size: 1rem;
        }

        .hamburger {
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: #fff;
            border-radius: 0.375rem;
        }

        .hamburger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .mobile-drawer {
            position: fixed;
            top: 64px;
            left: 0;
            bottom: 0;
            width: 72vw;
            max-width: 320px;
            background: var(--primary-900);
            z-index: 70;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            padding: 1.5rem 1.25rem;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 65;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }

        @media (min-width: 1024px) {
            .mobile-topbar,
            .mobile-drawer,
            .drawer-overlay {
                display: none;
            }
        }

        @media (max-width: 1023.98px) {
            .main-content {
                padding-top: 64px;
            }
            body.drawer-lock {
                overflow: hidden;
            }
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            line-height: 1.25;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border-radius: 9999px;
            padding: 0.75rem 1.75rem;
            font-weight: 600;
            font-size: 0.9375rem;
            text-decoration: none;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
            font-family: 'Inter', system-ui, sans-serif;
        }

        .btn-primary {
            background: var(--accent-600);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--accent-700);
            box-shadow: 0 4px 16px rgba(192, 90, 53, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-700);
            border: 1.5px solid var(--primary-700);
        }

        .btn-outline:hover {
            background: var(--primary-100);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
        }

        /* Gold line */
        .gold-line {
            width: 42px;
            height: 3px;
            background: var(--gold-500);
            border-radius: 9999px;
            margin-bottom: 1rem;
        }

        .gold-line-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* Card */
        .card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 1rem;
            padding: 1.5rem;
            box-shadow: 0 1px 3px rgba(26, 35, 34, 0.04);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(26, 35, 34, 0.1);
        }

        /* Steps section */
        .step-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 1rem;
            padding: 1.75rem;
            box-shadow: 0 1px 3px rgba(26, 35, 34, 0.04);
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(26, 35, 34, 0.08);
        }

        .step-num {
            font-family: Georgia, 'Times New Roman', serif;
            font-size: 3rem;
            font-style: italic;
            color: var(--gold-500);
            line-height: 1;
            display: block;
            margin-bottom: 1rem;
        }

        .step-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-700);
            border-radius: 0.75rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .step-icon svg {
            width: 20px;
            height: 20px;
            color: #fff;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-question {
            padding: 1.25rem 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9375rem;
            color: var(--ink-900);
            transition: color 0.2s;
        }

        .faq-question:hover {
            color: var(--primary-700);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            position: relative;
            margin-left: 1rem;
        }

        .faq-question .faq-icon::before,
        .faq-question .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--primary-700);
            border-radius: 2px;
            transition: transform 0.3s;
        }

        .faq-question .faq-icon::before {
            width: 14px;
            height: 2px;
            top: 11px;
            left: 5px;
        }

        .faq-question .faq-icon::after {
            width: 2px;
            height: 14px;
            top: 5px;
            left: 11px;
        }

        .faq-item.active .faq-icon::after {
            transform: scaleY(0);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            color: var(--ink-600);
            font-size: 0.875rem;
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 1.25rem;
        }

        .faq-item.active .faq-question {
            color: var(--primary-700);
        }

        /* Inputs */
        .input-dark {
            width: 100%;
            padding: 0.75rem 1rem;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 0.5rem;
            color: var(--cream-50);
            font-size: 0.875rem;
            transition: border-color 0.2s, box-shadow 0.2s;
            outline: none;
        }

        .input-dark::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .input-dark:focus {
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(200, 164, 93, 0.2);
        }

        .input-dark select {
            background: transparent;
            color: #fff;
        }

        .input-dark select option {
            background: var(--primary-800);
            color: #fff;
        }

        /* Footer */
        .footer {
            background: var(--primary-900);
            color: rgba(250, 245, 240, 0.65);
            border-top: 3px solid var(--gold-500);
            padding: 3rem 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            padding-bottom: 2.5rem;
        }

        @media (min-width: 768px) {
            .footer-grid {
                grid-template-columns: 1.4fr 0.8fr 1fr 1fr;
                gap: 2rem;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            margin-bottom: 1rem;
        }

        .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            font-size: 0.65rem;
        }

        .footer-logo .logo-text {
            color: #fff;
            font-size: 1rem;
        }

        .footer h4 {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9375rem;
            margin-bottom: 1rem;
            font-family: 'Inter', sans-serif;
            font-weight: 600;
        }

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

        .footer ul li {
            margin-bottom: 0.625rem;
            font-size: 0.875rem;
        }

        .footer a {
            color: rgba(250, 245, 240, 0.65);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer a:hover {
            color: var(--gold-500);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 0;
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (min-width: 768px) {
            .footer-bottom {
                flex-direction: row;
                justify-content: space-between;
            }
        }

        /* Focus visible */
        a:focus-visible,
        button:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(39, 104, 79, 0.35);
            border-radius: 0.375rem;
        }

        /* Utility */
        .text-balance {
            text-wrap: balance;
        }

        .img-fallback {
            background: #d8d3c9;
        }

/* roulang page: article */
:root {
        --primary-900: #0B2B23;
        --primary-800: #123A30;
        --primary-700: #1B4D3C;
        --primary-600: #27684F;
        --primary-100: #E4EDE8;
        --accent-700: #A8462A;
        --accent-600: #C05A35;
        --accent-100: #F6E4DC;
        --gold-500: #C8A45D;
        --cream-50: #FAF7F2;
        --ink-900: #1A2322;
        --ink-600: #4A5A56;
        --line: #E4DDD2;
        --font-serif: Georgia, 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
        --font-sans: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
        margin: 0;
        font-family: var(--font-sans);
        background: var(--cream-50);
        color: var(--ink-900);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        letter-spacing: 0.01em;
    }
    a { color: var(--primary-700); text-decoration: none; transition: color .2s ease; }
    a:hover { color: var(--accent-600); }
    img { max-width: 100%; display: block; }
    h1, h2, h3, h4 { font-family: var(--font-serif); margin: 0 0 .5em; line-height: 1.3; font-weight: 700; }
    p { margin: 0 0 1em; }
    button, input, select, textarea { font-family: inherit; }
    ul, ol { padding-left: 1.2rem; }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
        outline: none;
        box-shadow: 0 0 0 4px rgba(39, 104, 79, .35);
        border-radius: 6px;
    }
    .container-x { max-width: 1140px; margin: 0 auto; padding-left: 1.5rem; padding-right: 1.5rem; }

    /* ========== 左侧 App Shell 导航 ========== */
    .side-nav {
        position: fixed;
        top: 0; left: 0;
        width: 200px;
        height: 100vh;
        background: var(--primary-900);
        display: flex;
        flex-direction: column;
        z-index: 50;
    }
    .side-nav .brand {
        height: 64px;
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 0 16px;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
        flex-shrink: 0;
    }
    .logo-icon {
        width: 32px; height: 32px;
        background: var(--gold-500);
        color: var(--primary-900);
        border-radius: 8px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 12px;
        font-weight: 700;
        font-family: var(--font-serif);
        flex-shrink: 0;
    }
    .logo-text {
        color: #fff;
        font-size: 15px;
        font-weight: 700;
        letter-spacing: .02em;
        white-space: nowrap;
    }
    .side-nav nav { flex: 1; padding: 16px 0; overflow-y: auto; }
    .nav-item {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 12px 16px;
        color: rgba(250, 245, 240, .7);
        font-size: 14px;
        position: relative;
        transition: background .2s, color .2s;
        border: none;
        background: transparent;
        cursor: pointer;
        width: 100%;
        text-align: left;
    }
    .nav-item svg { width: 20px; height: 20px; flex-shrink: 0; opacity: .75; }
    .nav-item:hover { background: rgba(255, 255, 255, .08); color: #fff; }
    .nav-item.active { color: #fff; font-weight: 600; }
    .nav-item.active::before {
        content: '';
        position: absolute;
        left: 0; top: 0; bottom: 0;
        width: 3px;
        background: var(--gold-500);
    }
    .nav-item.active svg { opacity: 1; }
    .side-nav-bottom {
        padding: 20px 16px;
        border-top: 1px solid rgba(255, 255, 255, .08);
        color: rgba(255, 255, 255, .5);
        font-size: 12px;
        line-height: 1.7;
        flex-shrink: 0;
    }

    /* ========== 移动端 Header / 抽屉 ========== */
    .mobile-header {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0;
        height: 64px;
        background: var(--primary-900);
        z-index: 60;
        align-items: center;
        justify-content: space-between;
        padding: 0 16px;
        border-bottom: 1px solid rgba(255, 255, 255, .06);
    }
    .mobile-header .brand { display: flex; align-items: center; gap: 8px; }
    .mobile-menu-btn {
        background: none;
        border: none;
        color: #fff;
        cursor: pointer;
        padding: 8px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 8px;
        transition: background .2s;
    }
    .mobile-menu-btn:hover { background: rgba(255, 255, 255, .1); }
    .mobile-drawer {
        position: fixed;
        top: 0; left: 0;
        width: 72vw;
        max-width: 320px;
        height: 100vh;
        background: var(--primary-900);
        z-index: 80;
        transform: translateX(-100%);
        transition: transform .3s ease;
        display: flex;
        flex-direction: column;
        box-shadow: 4px 0 32px rgba(0, 0, 0, .2);
    }
    .mobile-drawer.open { transform: translateX(0); }
    .mobile-drawer .drawer-brand { display: flex; align-items: center; gap: 8px; padding: 20px 16px; border-bottom: 1px solid rgba(255, 255, 255, .08); flex-shrink: 0; }
    .mobile-drawer nav { flex: 1; padding: 12px 0; overflow-y: auto; }
    .mobile-drawer .drawer-foot { padding: 20px 16px; color: rgba(255, 255, 255, .45); font-size: 12px; border-top: 1px solid rgba(255, 255, 255, .06); }
    .mobile-drawer-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, .5);
        z-index: 70;
        opacity: 0;
        pointer-events: none;
        transition: opacity .3s;
    }
    .mobile-drawer-overlay.open { opacity: 1; pointer-events: auto; }

    /* ========== 主内容区 ========== */
    .main-wrapper {
        margin-left: 200px;
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }
    .main-content { flex: 1; }

    /* ========== 文章页 ========== */
    .article-main {
        max-width: 820px;
        margin: 0 auto;
        padding: 48px 24px 64px;
    }
    .breadcrumb {
        font-size: 13px;
        color: var(--ink-600);
        margin-bottom: 28px;
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        align-items: center;
    }
    .breadcrumb a { color: var(--primary-700); font-weight: 500; }
    .breadcrumb a:hover { color: var(--accent-600); }
    .breadcrumb .sep { color: #B8C0BC; }
    .breadcrumb .current { color: var(--ink-600); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 240px; }
    .article-header { margin-bottom: 24px; }
    .category-badge {
        display: inline-block;
        background: var(--accent-100);
        color: var(--accent-700);
        font-size: 12px;
        font-weight: 600;
        padding: 4px 14px;
        border-radius: 999px;
        margin-bottom: 14px;
        letter-spacing: .02em;
    }
    .article-header h1 {
        font-size: 36px;
        line-height: 1.28;
        margin-bottom: 16px;
        color: var(--primary-900);
        letter-spacing: -.01em;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 8px 20px;
        color: var(--ink-600);
        font-size: 14px;
        padding-bottom: 20px;
        border-bottom: 1px solid var(--line);
        margin-bottom: 24px;
    }
    .article-meta span { display: inline-flex; align-items: center; gap: 6px; }
    .article-cover {
        width: 100%;
        border-radius: 16px;
        margin-bottom: 36px;
        aspect-ratio: 16 / 9;
        object-fit: cover;
        background: var(--primary-100);
        box-shadow: 0 8px 28px rgba(11, 43, 35, .1);
    }
    .article-content {
        font-size: 16px;
        line-height: 1.8;
        color: #2B3533;
    }
    .article-content h2 {
        font-size: 27px;
        color: var(--primary-900);
        margin: 44px 0 16px;
        padding-top: 8px;
        position: relative;
    }
    .article-content h2::before {
        content: '';
        display: block;
        width: 32px;
        height: 3px;
        background: var(--gold-500);
        border-radius: 2px;
        margin-bottom: 12px;
    }
    .article-content h3 {
        font-size: 21px;
        color: var(--primary-800);
        margin: 32px 0 12px;
    }
    .article-content h4 {
        font-size: 17px;
        color: var(--primary-800);
        margin: 24px 0 10px;
        font-family: var(--font-sans);
    }
    .article-content p { margin-bottom: 20px; }
    .article-content a { color: var(--primary-700); text-decoration: underline; text-underline-offset: 3px; }
    .article-content a:hover { color: var(--accent-600); }
    .article-content ul, .article-content ol { margin: 0 0 22px; padding-left: 1.5rem; }
    .article-content li { margin-bottom: 8px; }
    .article-content blockquote {
        border-left: 3px solid var(--gold-500);
        padding: 16px 22px;
        background: #FCFAF6;
        border-radius: 0 12px 12px 0;
        font-family: var(--font-serif);
        font-style: italic;
        color: var(--ink-600);
        margin: 28px 0;
    }
    .article-content img { border-radius: 12px; margin: 28px 0; max-width: 100%; height: auto; }
    .article-content table { width: 100%; border-collapse: collapse; margin: 28px 0; font-size: 15px; }
    .article-content th { background: var(--primary-100); font-weight: 600; color: var(--primary-900); }
    .article-content th, .article-content td { border: 1px solid var(--line); padding: 10px 14px; text-align: left; }
    .article-content hr { border: none; border-top: 1px solid var(--line); margin: 36px 0; }
    .article-content code {
        background: var(--primary-100);
        color: var(--primary-800);
        padding: 2px 8px;
        border-radius: 6px;
        font-size: 14px;
    }

    .article-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin: 36px 0 0;
        padding-top: 24px;
        border-top: 1px solid var(--line);
    }
    .tag {
        display: inline-block;
        background: var(--primary-100);
        color: var(--primary-700);
        font-size: 13px;
        font-weight: 500;
        padding: 5px 16px;
        border-radius: 999px;
        transition: background .2s, transform .2s;
    }
    .tag:hover { background: #D8E6DD; transform: translateY(-1px); }

    .article-pager {
        display: flex;
        justify-content: space-between;
        gap: 16px;
        margin: 36px 0;
        padding: 20px 0;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }
    .pager-link {
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
        font-size: 14px;
        transition: transform .2s;
        max-width: 48%;
    }
    .pager-link.pager-next { align-items: flex-end; text-align: right; }
    .pager-link:hover { transform: translateY(-2px); }
    .pager-label { font-size: 12px; color: var(--ink-600); opacity: .75; }
    .pager-title { font-weight: 600; color: var(--primary-700); font-size: 15px; }
    .pager-link:hover .pager-title { color: var(--accent-600); }

    .related-section { margin-top: 52px; }
    .related-section > h2 { font-size: 24px; color: var(--primary-900); margin-bottom: 24px; position: relative; padding-left: 16px; }
    .related-section > h2::before { content: ''; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; border-radius: 2px; background: var(--gold-500); }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 20px;
    }
    .related-card {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 16px;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        transition: transform .3s ease, box-shadow .3s ease;
    }
    .related-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(11, 43, 35, .12); }
    .related-card img { aspect-ratio: 16 / 9; object-fit: cover; width: 100%; background: var(--primary-100); }
    .related-card-body { padding: 18px; display: flex; flex-direction: column; flex: 1; }
    .related-card-body .category-badge { margin-bottom: 10px; align-self: flex-start; }
    .related-card-body h3 { font-size: 16px; margin-bottom: 8px; line-height: 1.5; }
    .related-card-body h3 a { color: var(--primary-900); }
    .related-card-body h3 a:hover { color: var(--accent-600); }
    .related-card-body p { font-size: 14px; color: var(--ink-600); line-height: 1.65; margin-bottom: 0; }

    .article-cta {
        background: var(--primary-900);
        border-radius: 20px;
        padding: 44px 40px;
        text-align: center;
        color: #fff;
        margin: 52px 0 16px;
        position: relative;
        overflow: hidden;
    }
    .article-cta::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(200, 164, 93, .08) 0%, transparent 50%);
        pointer-events: none;
    }
    .article-cta h2 { color: #fff; font-size: 27px; margin-bottom: 10px; position: relative; }
    .article-cta p { color: rgba(255, 255, 255, .75); margin-bottom: 22px; position: relative; }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 999px;
        font-weight: 600;
        padding: 12px 28px;
        transition: all .25s;
        cursor: pointer;
        font-size: 15px;
        line-height: 1.4;
        border: none;
        position: relative;
    }
    .btn-primary { background: var(--accent-600); color: #fff; }
    .btn-primary:hover { background: var(--accent-700); color: #fff; box-shadow: 0 8px 22px rgba(192, 90, 53, .35); transform: translateY(-2px); }
    .btn-primary:active { transform: scale(.98); }
    .btn-outline { background: transparent; border: 1.5px solid var(--primary-700); color: var(--primary-700); }
    .btn-outline:hover { background: var(--primary-100); border-color: var(--primary-600); color: var(--primary-600); }
    .back-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        margin-top: 24px;
        font-size: 14px;
        font-weight: 500;
        color: var(--primary-700);
        transition: gap .2s, color .2s;
    }
    .back-link:hover { color: var(--accent-600); gap: 10px; }

    /* ========== 内容未找到 ========== */
    .not-found {
        max-width: 520px;
        margin: 120px auto;
        text-align: center;
        padding: 56px 40px;
        background: #fff;
        border: 1px dashed #CFC6B8;
        border-radius: 24px;
    }
    .not-found .nf-icon {
        width: 56px; height: 56px;
        margin: 0 auto 20px;
        border-radius: 16px;
        background: var(--primary-100);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--primary-700);
    }
    .not-found p { font-size: 18px; color: var(--ink-600); margin-bottom: 24px; }
    .not-found .btn { min-width: 140px; }

    /* ========== 页脚 ========== */
    .footer {
        background: var(--primary-900);
        color: rgba(255, 255, 255, .8);
        border-top: 1px solid var(--gold-500);
        padding: 56px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
    }
    .footer h4 { color: #fff; font-size: 14px; margin-bottom: 16px; font-family: var(--font-sans); font-weight: 600; letter-spacing: .04em; }
    .footer p { font-size: 14px; line-height: 1.7; color: rgba(255, 255, 255, .55); }
    .footer ul { list-style: none; padding: 0; margin: 0; }
    .footer li { margin-bottom: 10px; font-size: 14px; color: rgba(255, 255, 255, .5); }
    .footer a { color: rgba(255, 255, 255, .65); transition: color .2s; }
    .footer a:hover { color: var(--gold-500); }
    .footer-logo { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
    .footer-logo .logo-text { font-size: 18px; }
    .footer-bottom {
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 8px;
        padding: 20px 0;
        border-top: 1px solid rgba(255, 255, 255, .1);
        font-size: 12px;
        color: rgba(255, 255, 255, .45);
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1023px) {
        .side-nav { display: none; }
        .mobile-header { display: flex; }
        .main-wrapper { margin-left: 0; }
        .article-main { padding: 32px 20px 56px; }
    }
    @media (max-width: 767px) {
        .related-grid { grid-template-columns: 1fr; }
        .article-header h1 { font-size: 28px; }
        .article-content { font-size: 16px; }
        .article-cta { padding: 36px 24px; }
        .article-cta h2 { font-size: 23px; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px 20px; }
        .breadcrumb .current { max-width: 160px; }
        .article-pager { flex-direction: column; gap: 20px; }
        .pager-link, .pager-link.pager-next { max-width: 100%; align-items: flex-start; text-align: left; }
    }
    @media (max-width: 520px) {
        .footer-grid { grid-template-columns: 1fr; }
        .article-main { padding: 24px 16px 48px; }
        .article-header h1 { font-size: 24px; }
        .article-content h2 { font-size: 22px; }
        .article-content h3 { font-size: 18px; }
        .related-card-body h3 { font-size: 16px; }
        .mobile-header { padding: 0 12px; }
        .mobile-drawer { width: 78vw; }
        .article-cta { padding: 32px 20px; border-radius: 16px; }
        .btn { padding: 12px 22px; font-size: 14px; }
    }

/* roulang page: category2 */
:root {
            --primary-900: #0B2B23;
            --primary-800: #123A30;
            --primary-700: #1B4D3C;
            --primary-600: #27684F;
            --primary-100: #E4EDE8;
            --accent-700: #A8462A;
            --accent-600: #C05A35;
            --accent-100: #F6E4DC;
            --gold-500: #C8A45D;
            --cream-50: #FAF7F2;
            --ink-900: #1A2322;
            --ink-600: #4A5A56;
            --line: #E4DDD2;
            --radius-card: 1rem;
            --radius-btn: 9999px;
            --shadow-card: 0 1px 3px rgba(11, 43, 35, 0.06);
            --shadow-hover: 0 12px 28px rgba(11, 43, 35, 0.12);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background-color: var(--cream-50);
            color: var(--ink-900);
            line-height: 1.6;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

        h1,
        h2,
        h3,
        h4 {
            font-family: Georgia, 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
            line-height: 1.3;
        }

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

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

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

        input,
        select {
            font-family: inherit;
        }

        .container-x {
            max-width: 1140px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        @media (min-width:768px) {
            .container-x {
                padding-left: 2rem;
                padding-right: 2rem;
            }
        }

        @media (min-width:1024px) {
            .container-x {
                padding-left: 3rem;
                padding-right: 3rem;
            }
        }

        /* ===== 侧边导航 ===== */
        .side-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 200px;
            height: 100vh;
            background-color: var(--primary-900);
            z-index: 50;
            display: none;
            flex-direction: column;
            padding: 0 0 1rem 0;
        }

        @media (min-width:1024px) {
            .side-nav {
                display: flex;
            }
            .main-content {
                margin-left: 200px;
            }
        }

        .side-nav .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 1.25rem 1rem 1.5rem 1rem;
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 1rem;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 0.5rem;
            background: var(--gold-500);
            color: var(--primary-900);
            font-weight: 800;
            font-size: 0.8rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: Georgia, serif;
            letter-spacing: 0;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .side-nav .nav-item {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            padding: 0.75rem 1rem;
            color: rgba(250, 247, 242, 0.7);
            font-size: 0.875rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .side-nav .nav-item svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            opacity: 0.85;
        }

        .side-nav .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .side-nav .nav-item.active {
            border-left-color: var(--gold-500);
            color: #fff;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.04);
        }

        .side-nav .nav-item.active svg {
            color: var(--gold-500);
            opacity: 1;
        }

        .side-bottom {
            margin-top: auto;
            padding: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-direction: column;
            gap: 0.25rem;
        }

        /* ===== 移动端顶栏 ===== */
        .mobile-header {
            position: sticky;
            top: 0;
            z-index: 45;
            height: 64px;
            background-color: var(--primary-900);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 1rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }

        @media (min-width:1024px) {
            .mobile-header {
                display: none;
            }
        }

        .mobile-header .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .mobile-header .brand-logo .logo-text {
            font-size: 1rem;
        }

        .menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: background 0.2s ease;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== 移动端抽屉 ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 60;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            width: 72vw;
            max-width: 320px;
            height: 100vh;
            background-color: var(--primary-900);
            z-index: 70;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            display: flex;
            flex-direction: column;
            padding: 1rem 0;
            overflow-y: auto;
        }

        .mobile-drawer.open {
            transform: translateX(0);
        }

        .mobile-drawer .drawer-brand {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem 1.25rem 1rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 0.75rem;
        }

        .mobile-drawer .nav-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.875rem 1rem;
            color: rgba(250, 247, 242, 0.7);
            font-size: 0.9375rem;
            border-left: 3px solid transparent;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .mobile-drawer .nav-item svg {
            width: 20px;
            height: 20px;
            opacity: 0.85;
        }

        .mobile-drawer .nav-item:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .mobile-drawer .nav-item.active {
            border-left-color: var(--gold-500);
            color: #fff;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.04);
        }

        .mobile-drawer .drawer-bottom {
            margin-top: auto;
            padding: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Hero 区 ===== */
        .page-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background-color: var(--primary-900);
            overflow: hidden;
        }

        @media (min-width:768px) {
            .page-hero {
                min-height: 440px;
            }
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 43, 35, 0.98) 0%, rgba(11, 43, 35, 0.85) 45%, rgba(11, 43, 35, 0.3) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding-top: 3.5rem;
            padding-bottom: 3.5rem;
            max-width: 720px;
        }

        .hero-badge {
            display: inline-block;
            padding: 0.3rem 0.8rem;
            border-radius: 9999px;
            background: rgba(200, 164, 93, 0.16);
            border: 1px solid rgba(200, 164, 93, 0.4);
            color: var(--gold-500);
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            letter-spacing: 0.04em;
        }

        .hero-content h1 {
            color: #fff;
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 1rem;
        }

        @media (min-width:768px) {
            .hero-content h1 {
                font-size: 2.7rem;
            }
        }

        .hero-content h1 .gold-text {
            color: var(--gold-500);
        }

        .hero-content .hero-desc {
            color: rgba(250, 247, 242, 0.9);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 520px;
            margin-bottom: 1.75rem;
        }

        @media (min-width:768px) {
            .hero-content .hero-desc {
                font-size: 1.0625rem;
            }
        }

        .hero-actions {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
        }

        .hero-trustbar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.35rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.8rem;
            margin-top: 1.75rem;
            align-items: center;
        }

        .hero-trustbar span {
            display: flex;
            align-items: center;
        }

        .hero-trustbar .dot {
            width: 3px;
            height: 3px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            margin: 0 0.5rem;
        }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            background-color: var(--accent-600);
            color: #fff;
            font-weight: 600;
            padding: 0.75rem 1.75rem;
            border-radius: 9999px;
            font-size: 0.9375rem;
            transition: background 0.25s ease, box-shadow 0.25s ease, transform 0.15s ease;
            box-shadow: 0 2px 6px rgba(160, 70, 42, 0.25);
        }

        .btn-primary:hover {
            background-color: var(--accent-700);
            box-shadow: 0 6px 18px rgba(160, 70, 42, 0.3);
        }

        .btn-primary:active {
            transform: scale(0.98);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(192, 90, 53, 0.4);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 0.7rem 1.5rem;
            border-radius: 9999px;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            font-size: 0.9375rem;
            transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
        }

        .btn-outline-light:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.25);
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            background: transparent;
            color: var(--primary-700);
            font-weight: 600;
            padding: 0.65rem 1.4rem;
            border-radius: 9999px;
            border: 1.5px solid var(--primary-700);
            font-size: 0.9375rem;
            transition: background 0.25s ease, border-color 0.25s ease;
        }

        .btn-outline-dark:hover {
            background: var(--primary-100);
            border-color: var(--primary-700);
        }

        .btn-outline-dark:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(39, 104, 79, 0.25);
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--primary-700);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: color 0.2s ease;
        }

        .btn-text .arrow {
            transition: transform 0.2s ease;
        }

        .btn-text:hover {
            color: var(--accent-600);
        }

        .btn-text:hover .arrow {
            transform: translateX(3px);
        }

        .btn-text:focus-visible {
            outline: none;
            box-shadow: 0 0 0 4px rgba(39, 104, 79, 0.2);
            border-radius: 0.25rem;
        }

        /* ===== 区块 ===== */
        .section {
            padding: 3rem 0;
        }

        @media (min-width:768px) {
            .section {
                padding: 4.5rem 0;
            }
        }

        .section-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent-600);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .section-head h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary-900);
            margin-bottom: 0.5rem;
        }

        @media (min-width:768px) {
            .section-head h2 {
                font-size: 2rem;
            }
        }

        .section-head .section-sub {
            color: var(--ink-600);
            font-size: 0.9375rem;
            max-width: 560px;
            line-height: 1.7;
        }

        .section-head-center {
            text-align: center;
        }

        .section-head-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 卡片 ===== */
        .card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 1.75rem;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 0.65rem;
            background: var(--primary-700);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }

        .card-icon svg {
            width: 22px;
            height: 22px;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary-900);
            margin-bottom: 0.5rem;
        }

        .card p {
            color: var(--ink-600);
            font-size: 0.875rem;
            line-height: 1.7;
        }

        /* ===== 对照区 ===== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }

        @media (min-width:768px) {
            .compare-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2.5rem;
            }
        }

        .compare-panel {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 1.25rem;
            padding: 2rem;
            box-shadow: var(--shadow-card);
        }

        .compare-panel-accent {
            border-top: 4px solid var(--gold-500);
        }

        .compare-panel-green {
            border-top: 4px solid var(--primary-600);
        }

        .compare-panel h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-900);
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .compare-list {
            list-style: none;
        }

        .compare-list li {
            display: flex;
            gap: 0.75rem;
            padding: 0.65rem 0;
            border-bottom: 1px solid rgba(228, 221, 210, 0.5);
            font-size: 0.9rem;
            color: var(--ink-600);
            align-items: flex-start;
        }

        .compare-list li:last-child {
            border-bottom: none;
        }

        .compare-list .check {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--primary-100);
            color: var(--primary-700);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 0.1rem;
        }

        .compare-list .check svg {
            width: 12px;
            height: 12px;
        }

        /* ===== 流程 ===== */
        .process-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            counter-reset: process;
        }

        @media (min-width:640px) {
            .process-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (min-width:1024px) {
            .process-grid {
                grid-template-columns: 1fr 1fr 1fr 1fr;
            }
        }

        .process-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 1rem;
            padding: 1.75rem 1.5rem;
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .process-number {
            font-family: Georgia, 'Times New Roman', serif;
            font-style: italic;
            font-size: 2.5rem;
            color: var(--gold-500);
            line-height: 1;
            margin-bottom: 0.75rem;
        }

        .process-card h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--primary-900);
            margin-bottom: 0.5rem;
        }

        .process-card p {
            font-size: 0.84rem;
            color: var(--ink-600);
            line-height: 1.65;
        }

        .process-arrow {
            display: none;
        }

        @media (min-width:1024px) {
            .process-arrow {
                display: flex;
                position: absolute;
                right: -0.75rem;
                top: 50%;
                transform: translateY(-50%);
                width: 1.5rem;
                height: 1.5rem;
                color: rgba(27, 77, 60, 0.3);
                z-index: 2;
            }
        }

        /* ===== 图文交叉 ===== */
        .image-text-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
            align-items: center;
        }

        @media (min-width:768px) {
            .image-text-grid {
                grid-template-columns: 1fr 1fr;
                gap: 3rem;
            }
        }

        .image-text-grid.reverse .it-image {
            order: 2;
        }

        @media (max-width:767px) {
            .image-text-grid.reverse .it-image {
                order: 0;
            }
        }

        .it-image {
            border-radius: 1.25rem;
            overflow: hidden;
            background: #e8e2da;
            box-shadow: var(--shadow-card);
        }

        .it-image img {
            width: 100%;
            height: 260px;
            object-fit: cover;
        }

        .it-content .it-label {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent-600);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }

        .it-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary-900);
            margin-bottom: 0.875rem;
        }

        .it-content p {
            font-size: 0.9rem;
            color: var(--ink-600);
            line-height: 1.75;
            margin-bottom: 1rem;
        }

        .it-list {
            list-style: none;
            margin-top: 0.75rem;
        }

        .it-list li {
            display: flex;
            gap: 0.5rem;
            padding: 0.35rem 0;
            font-size: 0.875rem;
            color: var(--ink-600);
        }

        .it-list li svg {
            width: 15px;
            height: 15px;
            color: var(--primary-600);
            flex-shrink: 0;
            margin-top: 0.2rem;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.25rem 0;
            cursor: pointer;
            width: 100%;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--ink-900);
            transition: color 0.2s ease;
        }

        .faq-question:hover {
            color: var(--primary-700);
        }

        .faq-question .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-100);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent-100);
        }

        .faq-icon svg {
            width: 14px;
            height: 14px;
            color: var(--primary-700);
        }

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

        .faq-answer-inner {
            padding-bottom: 1.25rem;
            font-size: 0.875rem;
            color: var(--ink-600);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        /* ===== CTA 区 ===== */
        .cta-section {
            background-color: var(--primary-900);
            padding: 3.5rem 0;
            position: relative;
            overflow: hidden;
        }

        @media (min-width:768px) {
            .cta-section {
                padding: 5rem 0;
            }
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 32px 32px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 720px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }

        @media (min-width:768px) {
            .cta-inner h2 {
                font-size: 2.2rem;
            }
        }

        .cta-inner .cta-sub {
            color: rgba(250, 247, 242, 0.7);
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }

        .cta-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1rem;
            text-align: left;
        }

        @media (min-width:640px) {
            .cta-form {
                grid-template-columns: 1fr 1fr;
            }
            .cta-form .form-full {
                grid-column: span 2;
            }
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
        }

        .form-group label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.8rem;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            height: 46px;
            padding: 0 1rem;
            border-radius: 0.5rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: var(--cream-50);
            font-size: 0.9rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--gold-500);
            box-shadow: 0 0 0 4px rgba(200, 164, 93, 0.2);
        }

        .form-control option {
            color: var(--ink-900);
            background: #fff;
        }

        .cta-form .btn-primary {
            width: 100%;
            height: 48px;
            font-size: 1rem;
        }

        .privacy-note {
            grid-column: span 2;
            text-align: center;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            margin-top: 0.5rem;
        }

        /* ===== 页脚 ===== */
        .footer {
            background-color: var(--primary-900);
            border-top: 1px solid rgba(200, 164, 93, 0.4);
            padding: 3rem 0 1.5rem 0;
        }

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

        @media (min-width:768px) {
            .footer-grid {
                grid-template-columns: 1.2fr 1fr 1fr 1fr;
                gap: 2rem;
            }
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }

        .footer-logo .logo-text {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
        }

        .footer p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.825rem;
            line-height: 1.7;
        }

        .footer h4 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 1rem;
            font-family: 'Inter', system-ui, sans-serif;
        }

        .footer ul {
            list-style: none;
        }

        .footer ul li {
            padding: 0.3rem 0;
        }

        .footer ul li a,
        .footer ul li {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.84rem;
            transition: color 0.2s ease;
        }

        .footer ul li a:hover {
            color: var(--gold-500);
        }

        .footer-bottom {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.5rem;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== 通用工具类 ===== */
        .bg-cream-50 {
            background-color: var(--cream-50);
        }

        .text-primary-900 {
            color: var(--primary-900);
        }

        .text-ink-600 {
            color: var(--ink-600);
        }

        .border-line {
            border-color: var(--line);
        }

        .btn-transparent {
            background: transparent;
        }

        /* ===== body 锁滚动 ===== */
        body.lock-scroll {
            overflow: hidden;
        }

        /* ===== 淡入动画 ===== */
        .fade-in {
            opacity: 0;
            transform: translateY(18px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            .fade-in {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

/* roulang page: category3 */
:root {
  --primary-900: #0B2B23;
  --primary-800: #123A30;
  --primary-700: #1B4D3C;
  --primary-600: #27684F;
  --primary-100: #E4EDE8;
  --accent-700: #A8462A;
  --accent-600: #C05A35;
  --accent-100: #F6E4DC;
  --gold-500: #C8A45D;
  --cream-50: #FAF7F2;
  --ink-900: #1A2322;
  --ink-600: #4A5A56;
  --line: #E4DDD2;
  --card-radius: 1rem;
  --btn-radius: 999px;
  --shadow-sm: 0 1px 3px rgba(26,35,34,0.08);
  --shadow-lg: 0 12px 32px rgba(26,35,34,0.14);
  --font-serif: Georgia, 'Times New Roman', 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-sans: 'Inter', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--cream-50);
  color: var(--ink-900);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: var(--primary-700);
  text-decoration: none;
  transition: color .2s;
}
a:hover {
  color: var(--accent-600);
}
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.3;
  font-weight: 700;
}
.container-x {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--gold-500);
  color: var(--primary-900);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}
.logo-text {
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 700;
  color: #fff;
  white-space: nowrap;
}
.logo-block {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  height: 64px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.side-nav {
  position: fixed;
  left: 0;
  top: 0;
  width: 200px;
  height: 100vh;
  background: var(--primary-900);
  display: flex;
  flex-direction: column;
  z-index: 60;
}
.nav-list {
  flex: 1;
  padding: 16px 0;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: rgba(250,245,240,0.7);
  font-size: 14px;
  position: relative;
  transition: background .2s, color .2s;
}
.nav-item svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  opacity: 0.85;
}
.nav-item:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}
.nav-item.active {
  color: #fff;
  font-weight: 600;
}
.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 20px;
  background: var(--gold-500);
  border-radius: 0 2px 2px 0;
}
.side-nav-bottom {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.main-content {
  margin-left: 200px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--primary-900);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 70;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.menu-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  border: none;
  background: rgba(255,255,255,0.08);
  color: #fff;
  cursor: pointer;
  transition: background .2s;
}
.menu-toggle:hover {
  background: rgba(255,255,255,0.14);
}
.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 75;
  opacity: 0;
  transition: opacity .3s;
}
.drawer-backdrop.show {
  opacity: 1;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 72vw;
  max-width: 320px;
  background: var(--primary-900);
  z-index: 80;
  transform: translateX(-100%);
  transition: transform .3s ease;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.mobile-drawer.show {
  transform: translateX(0);
}
body.menu-open {
  overflow: hidden;
}
.hero {
  position: relative;
  min-height: 480px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,43,35,0.95) 0%, rgba(11,43,35,0.72) 48%, rgba(11,43,35,0.15) 100%);
}
.hero-inner {
  position: relative;
  z-index: 2;
  width: 100%;
  padding-top: 56px;
  padding-bottom: 56px;
}
.hero-badge {
  display: inline-block;
  background: rgba(200,164,93,0.15);
  border: 1px solid var(--gold-500);
  color: var(--gold-500);
  font-size: 13px;
  padding: 5px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}
.hero h1 {
  color: #fff;
  font-size: clamp(32px, 4vw, 52px);
  max-width: 640px;
  margin-bottom: 16px;
  line-height: 1.18;
}
.hero h1 .brand-gold {
  color: var(--gold-500);
}
.hero-sub {
  color: rgba(250,245,240,0.9);
  font-size: 18px;
  max-width: 460px;
  margin-bottom: 32px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}
.hero-trust {
  font-size: 13px;
  color: rgba(255,255,255,0.75);
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.hero-trust span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.hero-trust .dot {
  color: var(--gold-500);
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent-600);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--btn-radius);
  border: none;
  cursor: pointer;
  transition: background .25s, box-shadow .25s, transform .15s;
  box-shadow: 0 2px 6px rgba(192,90,53,0.25);
}
.btn-primary:hover {
  background: var(--accent-700);
  color: #fff;
  box-shadow: 0 8px 20px rgba(192,90,53,0.3);
  transform: translateY(-2px);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 13px 32px;
  border-radius: var(--btn-radius);
  border: 1.5px solid rgba(255,255,255,0.6);
  cursor: pointer;
  transition: background .25s, border-color .25s;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,0.1);
  border-color: #fff;
  color: #fff;
}
.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary-700);
  font-weight: 600;
  font-size: 15px;
  padding: 13px 32px;
  border-radius: var(--btn-radius);
  border: 1.5px solid var(--primary-700);
  cursor: pointer;
  transition: background .25s;
}
.btn-outline-dark:hover {
  background: var(--primary-100);
}
.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary-700);
  font-weight: 600;
  font-size: 15px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px 0;
  transition: color .2s;
}
.btn-text .arrow {
  transition: transform .2s;
}
.btn-text:hover .arrow {
  transform: translateX(4px);
}
.section {
  padding: 64px 0;
}
.section-light {
  background: #FCFAF6;
}
.section-tight-top {
  padding-top: 40px;
}
.section-head {
  max-width: 680px;
  margin-bottom: 44px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--accent-600);
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 14px;
}
.section-head p {
  color: var(--ink-600);
  font-size: 16px;
  line-height: 1.75;
}
.gold-line {
  width: 46px;
  height: 3px;
  background: var(--gold-500);
  border-radius: 3px;
  margin-bottom: 16px;
}
.section-head.center .gold-line {
  margin-left: auto;
  margin-right: auto;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  padding: 28px;
  transition: box-shadow .3s, transform .3s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  background: var(--accent-100);
  color: var(--accent-700);
}
.badge-green {
  background: var(--primary-100);
  color: var(--primary-700);
}
.badge-gold {
  background: rgba(200,164,93,0.16);
  color: #8a6a2f;
}
/* 介绍区 */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-media {
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--primary-100);
}
.about-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 300px;
}
.check-list {
  list-style: none;
  margin-top: 20px;
}
.check-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 10px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  color: var(--ink-600);
}
.check-list li:last-child {
  border-bottom: none;
}
.check-list .check-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  margin-top: 4px;
}
/* 编号问答区 */
.numbered-section {
  background: var(--primary-900);
  color: rgba(250,245,240,0.9);
  position: relative;
  overflow: hidden;
}
.numbered-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}
.numbered-section .section-head h2 {
  color: #fff;
}
.numbered-section .section-head p {
  color: rgba(250,245,240,0.7);
}
.numbered-list {
  list-style: none;
  display: grid;
  gap: 16px;
}
.numbered-item {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 20px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px;
  padding: 24px;
  transition: background .25s, border-color .25s;
}
.numbered-item:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(200,164,93,0.35);
}
.numbered-item .num {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 40px;
  color: var(--gold-500);
  line-height: 1;
}
.numbered-item h3 {
  color: #fff;
  font-size: 18px;
  margin-bottom: 8px;
}
.numbered-item p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(250,245,240,0.72);
}
/* 流程 */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}
.process-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  padding: 28px 24px;
  text-align: center;
  transition: box-shadow .3s, transform .3s;
}
.process-step:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}
.process-step .step-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-100);
  color: var(--primary-700);
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}
.process-step .step-icon {
  font-size: 28px;
  margin-bottom: 12px;
}
.process-step h3 {
  font-size: 17px;
  margin-bottom: 10px;
}
.process-step p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.7;
}
/* 场景区 */
.scene-list {
  display: grid;
  gap: 28px;
}
.scene-card {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 24px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--card-radius);
  padding: 24px 28px;
  transition: box-shadow .3s, transform .3s;
}
.scene-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}
.scene-icon {
  width: 100px;
  height: 100px;
  border-radius: 16px;
  background: var(--primary-100);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
}
.scene-card h3 {
  font-size: 18px;
  margin-bottom: 6px;
}
.scene-card p {
  font-size: 14px;
  color: var(--ink-600);
  line-height: 1.7;
}
.scene-media {
  border-radius: var(--card-radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  background: var(--primary-100);
}
.scene-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 360px;
}
/* FAQ */
.faq-section {
  background: #FCFAF6;
}
.faq-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: start;
}
.faq-side .faq-intro {
  margin-top: 16px;
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 4px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-900);
  transition: color .2s;
}
.faq-btn:hover {
  color: var(--primary-700);
}
.faq-btn .icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--primary-700);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform .3s, background .3s, color .3s;
}
.faq-item.open .faq-btn .icon {
  transform: rotate(45deg);
  background: var(--primary-700);
  color: #fff;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}
.faq-answer-inner {
  padding: 0 4px 20px;
  color: var(--ink-600);
  font-size: 15px;
  line-height: 1.75;
}
.faq-item.open .faq-answer {
  max-height: 500px;
}
.faq-item.open {
  border-left: 2px solid var(--primary-700);
  padding-left: 12px;
}
/* CTA 表单 */
.cta-section {
  background: var(--primary-900);
  position: relative;
  overflow: hidden;
  padding: 72px 0;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}
.cta-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.cta-copy h2 {
  color: #fff;
  font-size: clamp(26px, 3vw, 36px);
  margin-bottom: 16px;
}
.cta-copy p {
  color: rgba(250,245,240,0.75);
  margin-bottom: 24px;
}
.cta-points {
  list-style: none;
  display: grid;
  gap: 12px;
}
.cta-points li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(250,245,240,0.85);
  font-size: 14px;
}
.cta-points li svg {
  width: 18px;
  height: 18px;
  color: var(--gold-500);
  flex-shrink: 0;
}
.cta-form {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 20px;
  padding: 32px;
}
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form-group.full {
  grid-column: 1 / -1;
}
.form-group label {
  color: rgba(250,245,240,0.8);
  font-size: 13px;
  font-weight: 500;
}
.form-input {
  width: 100%;
  height: 46px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,0.25);
  background: rgba(255,255,255,0.1);
  color: #fff;
  padding: 0 16px;
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color .25s, box-shadow .25s;
}
.form-input::placeholder {
  color: rgba(255,255,255,0.4);
}
.form-input:focus {
  border-color: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(200,164,93,0.2);
}
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23C8A45D' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}
select.form-input option {
  color: var(--ink-900);
  background: #fff;
}
.form-submit {
  grid-column: 1 / -1;
  margin-top: 4px;
}
.privacy-note {
  grid-column: 1 / -1;
  text-align: center;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  margin-top: 12px;
}
/* Footer */
.footer {
  background: var(--primary-900);
  border-top: 1px solid var(--gold-500);
  color: rgba(250,245,240,0.7);
  padding: 56px 0 0;
  flex-shrink: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo .logo-text {
  color: #fff;
}
.footer p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(250,245,240,0.6);
  max-width: 260px;
}
.footer h4 {
  color: #fff;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 16px;
}
.footer ul {
  list-style: none;
  display: grid;
  gap: 10px;
}
.footer ul li {
  font-size: 14px;
}
.footer ul a {
  color: rgba(250,245,240,0.6);
  transition: color .2s;
}
.footer ul a:hover {
  color: var(--gold-500);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
/* 响应式 */
@media (max-width: 1023px) {
  .side-nav {
    display: none;
  }
  .mobile-header {
    display: flex;
  }
  .main-content {
    margin-left: 0;
    padding-top: 64px;
  }
  .about-grid,
  .faq-grid,
  .cta-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .numbered-item {
    grid-template-columns: 52px 1fr;
    gap: 16px;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 767px) {
  .section {
    padding: 48px 0;
  }
  .container-x {
    padding: 0 20px;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .about-media img {
    min-height: 220px;
  }
  .scene-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .scene-icon {
    margin: 0 auto;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .hero {
    min-height: 440px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-outline-light {
    justify-content: center;
  }
  .cta-form {
    padding: 24px 20px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .form-group.full {
    grid-column: 1;
  }
  .form-submit {
    grid-column: 1;
  }
}
@media (max-width: 520px) {
  .hero h1 {
    font-size: 30px;
  }
  .hero-sub {
    font-size: 16px;
  }
  .numbered-item {
    grid-template-columns: 1fr;
  }
  .numbered-item .num {
    margin-bottom: 4px;
  }
}