/* roulang page: index */
:root {
            --color-primary: #0B3B2E;
            --color-primary-hover: #0E4A39;
            --color-accent: #E8A33D;
            --color-accent-hover: #F0B85A;
            --color-ink: #1E1D1B;
            --color-bg: #F8F6F2;
            --color-card: #FFFFFF;
            --color-support: #EDF2EF;
            --color-border: #E4DED5;
            --color-text: #343230;
            --color-text-muted: #6F6A63;
            --radius-btn: 8px;
            --radius-card: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 12px rgba(30,29,27,0.05);
            --shadow-card-hover: 0 8px 28px rgba(30,29,27,0.10);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background-color: var(--color-bg);
            color: var(--color-text);
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.9;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .display-font {
            font-family: 'Inter', 'DIN Alternate', 'Noto Sans SC', sans-serif;
            letter-spacing: 0.02em;
        }

        .section-padding {
            padding-top: 96px;
            padding-bottom: 96px;
        }

        h1,
        h2,
        h3 {
            color: var(--color-ink);
            line-height: 1.2;
            margin: 0 0 16px 0;
            letter-spacing: 0.02em;
        }

        h1 {
            font-size: 48px;
            line-height: 1.1;
            font-weight: 700;
        }

        h2 {
            font-size: 34px;
            font-weight: 700;
        }

        h3 {
            font-size: 20px;
            font-weight: 600;
        }

        p {
            margin: 0 0 16px 0;
        }

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

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 48px;
            padding: 0 32px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 1px solid transparent;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn:focus-visible {
            outline: 2px solid rgba(11, 59, 46, 0.3);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(11, 59, 46, 0.2);
        }

        .btn-accent {
            background-color: var(--color-accent);
            color: #1E1D1B;
        }

        .btn-accent:hover {
            background-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(232, 163, 61, 0.25);
        }

        .btn-outline-light {
            background-color: rgba(255, 255, 255, 0.05);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background-color: rgba(255, 255, 255, 0.10);
            border-color: #fff;
        }

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

        .btn-outline-dark:hover {
            background-color: rgba(11, 59, 46, 0.05);
            border-color: var(--color-primary-hover);
        }

        /* 标签 */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background-color: rgba(232, 163, 61, 0.12);
            color: #8a5a1a;
        }

        .badge-solid {
            background-color: var(--color-accent);
            color: #1E1D1B;
            font-weight: 600;
        }

        /* 导航 */
        .site-header {
            background-color: var(--color-bg);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(30, 29, 27, 0.06);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
            gap: 32px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            background-color: var(--color-primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 700;
            font-size: 16px;
            font-family: 'Inter', sans-serif;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 40px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            position: relative;
            padding: 8px 0;
            transition: color 0.2s ease;
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: var(--color-primary);
        }

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

        .nav-links a.active::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .nav-cta .btn {
            height: 40px;
            padding: 0 24px;
            font-size: 14px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background-color: var(--color-primary);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }

        /* 移动端导航 */
        .mobile-nav {
            position: fixed;
            top: 80px;
            left: 0;
            right: 0;
            bottom: 0;
            background-color: var(--color-bg);
            padding: 40px 24px;
            z-index: 99;
            transform: translateX(100%);
            transition: transform 0.35s ease;
            overflow-y: auto;
        }

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

        .mobile-nav ul {
            list-style: none;
            padding: 0;
            margin: 0 0 40px 0;
        }

        .mobile-nav li {
            border-bottom: 1px solid var(--color-border);
        }

        .mobile-nav a {
            display: block;
            padding: 18px 0;
            font-size: 18px;
            font-weight: 500;
            color: var(--color-text);
            transition: color 0.2s;
        }

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

        .mobile-nav a.active {
            color: var(--color-primary);
            font-weight: 700;
        }

        .mobile-nav .btn {
            width: 100%;
            margin-top: 16px;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 59, 46, 0.92) 0%, rgba(11, 59, 46, 0.75) 45%, rgba(11, 59, 46, 0.55) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 80px 0;
        }

        .hero h1 {
            color: #fff;
            font-size: 52px;
            font-weight: 700;
            line-height: 1.1;
            max-width: 640px;
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }

        .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 18px;
            line-height: 1.8;
            max-width: 560px;
            margin-bottom: 40px;
        }

        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 64px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .stat-item {
            padding: 0 40px;
            flex: 1;
            min-width: 160px;
        }

        .stat-item:first-child {
            padding-left: 0;
        }

        .stat-item:not(:first-child) {
            border-left: 1px solid rgba(255, 255, 255, 0.15);
        }

        .stat-number {
            font-family: 'Inter', 'DIN Alternate', sans-serif;
            font-size: 40px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.1;
            letter-spacing: 0.01em;
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            margin-top: 6px;
        }

        /* 数据徽条 */
        .data-banner {
            background-color: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            padding: 24px 0;
        }

        .data-banner-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .data-banner-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 8px 0;
        }

        .data-banner-item .data-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background-color: var(--color-support);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .data-banner-item .data-num {
            font-family: 'Inter', 'DIN Alternate', sans-serif;
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.2;
        }

        .data-banner-item .data-desc {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        /* 板块标题 */
        .section-head {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 56px;
        }

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

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .section-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background-color: var(--color-accent);
            border-radius: 2px;
        }

        .section-title {
            font-size: 36px;
            color: var(--color-ink);
            margin-bottom: 0;
        }

        .section-desc {
            color: var(--color-text-muted);
            font-size: 16px;
            max-width: 680px;
            line-height: 1.8;
        }

        /* 三步上手 */
        .steps-section {
            background-color: var(--color-bg);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 24px;
            position: relative;
        }

        .steps-grid::before {
            content: '';
            position: absolute;
            top: 120px;
            left: 15%;
            right: 15%;
            border-top: 1px dashed var(--color-border);
            z-index: 0;
        }

        .step-card {
            position: relative;
            z-index: 1;
            padding: 40px 32px;
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(11, 59, 46, 0.25);
        }

        .step-number {
            font-family: 'Inter', 'DIN Alternate', sans-serif;
            font-size: 64px;
            font-weight: 700;
            color: rgba(11, 59, 46, 0.08);
            line-height: 1;
            margin-bottom: 20px;
            transition: color 0.3s ease;
        }

        .step-card:hover .step-number {
            color: rgba(232, 163, 61, 0.25);
        }

        .step-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 12px;
        }

        .step-desc {
            color: var(--color-text-muted);
            font-size: 15px;
            line-height: 1.7;
        }

        /* 核心优势（非对称） */
        .advantages-section {
            background-color: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .adv-layout {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 80px;
            align-items: start;
        }

        .adv-left {
            position: sticky;
            top: 120px;
        }

        .adv-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .adv-card {
            display: flex;
            gap: 20px;
            padding: 28px;
            background-color: var(--color-support);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
            border-left: 3px solid var(--color-primary);
        }

        .adv-card:hover {
            background-color: #fff;
            box-shadow: var(--shadow-card-hover);
            transform: translateX(6px);
        }

        .adv-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background-color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }

        .adv-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 6px;
        }

        .adv-text {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* 案例证明 */
        .cases-section {
            background-color: var(--color-bg);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(11, 59, 46, 0.3);
        }

        .case-image {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 1.5s ease;
        }

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 14px;
            background-color: rgba(232, 163, 61, 0.12);
            color: #8a5a1a;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .case-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .case-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .case-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            transition: gap 0.2s ease;
        }

        .case-link:hover {
            gap: 10px;
        }

        /* CMS 资讯区 */
        .cms-section {
            background-color: var(--color-support);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .cms-list {
            max-width: 900px;
            margin: 0 auto;
            background-color: var(--color-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .cms-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 28px 32px;
            border-bottom: 1px solid var(--color-border);
            transition: background-color 0.25s ease;
        }

        .cms-item:last-child {
            border-bottom: none;
        }

        .cms-item:hover {
            background-color: var(--color-support);
        }

        .cms-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 72px;
            height: 72px;
            background-color: var(--color-support);
            border-radius: 12px;
            padding: 8px 12px;
            flex-shrink: 0;
            transition: background-color 0.25s ease;
        }

        .cms-item:hover .cms-date {
            background-color: var(--color-card);
        }

        .cms-day {
            font-family: 'Inter', 'DIN Alternate', sans-serif;
            font-size: 26px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
        }

        .cms-month {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

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

        .cms-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            transition: color 0.2s ease;
        }

        .cms-item:hover .cms-title {
            color: var(--color-primary);
        }

        .cms-excerpt {
            font-size: 14px;
            color: var(--color-text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.7;
        }

        .cms-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 8px;
            flex-wrap: wrap;
        }

        .cms-cat {
            display: inline-block;
            padding: 2px 12px;
            font-size: 12px;
            font-weight: 600;
            background-color: rgba(11, 59, 46, 0.08);
            color: var(--color-primary);
            border-radius: 999px;
        }

        .cms-link {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            white-space: nowrap;
        }

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

        /* CMS 空状态 */
        .cms-empty {
            padding: 64px 32px;
            text-align: center;
            color: var(--color-text-muted);
            min-height: 160px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 16px;
        }

        .cms-empty-icon {
            font-size: 44px;
            opacity: 0.4;
        }

        .cms-empty-text {
            font-size: 15px;
            letter-spacing: 0.02em;
        }

        /* FAQ */
        .faq-section {
            background-color: var(--color-card);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            background-color: var(--color-bg);
            transition: all 0.3s ease;
        }

        .faq-item.open {
            border-color: rgba(11, 59, 46, 0.25);
            background-color: var(--color-support);
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            user-select: none;
            gap: 16px;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            transition: color 0.2s ease;
        }

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

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1.5px solid var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 400;
            color: var(--color-primary);
            flex-shrink: 0;
            transition: all 0.3s ease;
            line-height: 1;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background-color: var(--color-primary);
            color: #fff;
        }

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

        .faq-answer-inner {
            padding: 0 24px 24px 24px;
            border-left: 3px solid var(--color-primary);
            margin-left: 24px;
            color: var(--color-text);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CTA */
        .cta-section {
            background-color: var(--color-ink);
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 59, 46, 0.6) 0%, rgba(30, 29, 27, 0.2) 100%);
            pointer-events: none;
        }

        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .cta-title {
            color: #fff;
            font-size: 38px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .cta-desc {
            color: rgba(255, 255, 255, 0.7);
            font-size: 16px;
            max-width: 560px;
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 24px;
        }

        .cta-note {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-note i {
            font-size: 14px;
        }

        /* 页脚 */
        .site-footer {
            background-color: var(--color-ink);
            color: #B0AAA2;
            padding: 80px 0 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 64px;
        }

        .footer-brand .logo-text {
            color: #fff;
        }

        .footer-brand .logo-mark {
            background-color: rgba(255, 255, 255, 0.1);
            color: var(--color-accent);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 20px;
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color 0.2s ease, padding-left 0.2s ease;
        }

        .footer-links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            width: 18px;
            color: var(--color-accent);
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 通用卡片网格 */
        .grid-card {
            background-color: var(--color-card);
            border-radius: var(--radius-card);
            padding: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border);
            transition: all 0.3s ease;
        }

        .grid-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: rgba(11, 59, 46, 0.25);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .container {
                padding-left: 24px;
                padding-right: 24px;
            }

            .nav-links {
                gap: 24px;
            }

            .hero h1 {
                font-size: 42px;
            }

            .adv-layout {
                grid-template-columns: 1fr;
                gap: 48px;
            }

            .adv-left {
                position: static;
            }

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

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

            .stat-item {
                padding: 0 20px;
                min-width: 120px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .section-padding {
                padding-top: 64px;
                padding-bottom: 64px;
            }

            h1 {
                font-size: 36px;
            }

            h2 {
                font-size: 28px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .nav-links,
            .nav-cta .btn {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                min-height: 560px;
            }

            .hero h1 {
                font-size: 34px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 16px;
            }

            .stat-item {
                padding: 8px 0;
                border-left: none !important;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }

            .stat-item:last-child {
                border-bottom: none;
            }

            .steps-grid {
                grid-template-columns: 1fr;
            }

            .steps-grid::before {
                display: none;
            }

            .cases-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 28px;
            }

            .cms-item {
                flex-direction: column;
                align-items: flex-start;
                padding: 20px;
                gap: 16px;
            }

            .cms-date {
                flex-direction: row;
                height: auto;
                gap: 8px;
                min-width: 0;
                padding: 8px 16px;
            }

            .cms-day {
                font-size: 20px;
            }

            .cms-title {
                white-space: normal;
            }

            .cta-section {
                padding: 64px 0;
            }

            .cta-title {
                font-size: 28px;
            }

            .adv-card {
                flex-direction: column;
                gap: 14px;
                padding: 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                padding-bottom: 40px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .data-banner-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .data-banner-item {
                padding: 12px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .hero h1 {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-ctas {
                flex-direction: column;
            }

            .hero-ctas .btn {
                width: 100%;
            }

            .data-banner-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 26px;
            }

            .faq-question {
                font-size: 15px;
                padding: 16px 18px;
            }

            .faq-answer-inner {
                padding: 0 18px 18px 18px;
                margin-left: 18px;
            }

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

            .stat-number {
                font-size: 32px;
            }

            .mobile-nav {
                top: 72px;
                padding: 24px 16px;
            }
        }

        /* 滚动条样式（低调） */
        ::-webkit-scrollbar {
            width: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--color-bg);
        }

        ::-webkit-scrollbar-thumb {
            background: #C9BFB4;
            border-radius: 8px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--color-text-muted);
        }

/* roulang page: article */
:root {
            --color-primary: #0B3B2E;
            --color-primary-hover: #0E4A39;
            --color-accent: #E8A33D;
            --color-accent-hover: #F0B85A;
            --color-ink: #1E1D1B;
            --color-bg: #F8F6F2;
            --color-card: #FFFFFF;
            --color-support: #EDF2EF;
            --color-border: #E4DED5;
            --color-text: #343230;
            --color-text-muted: #6F6A63;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.9;
            color: var(--color-text);
            background-color: var(--color-bg);
            -webkit-font-smoothing: antialiased;
        }

        img,
        a,
        button,
        input {
            -webkit-tap-highlight-color: transparent;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 76px;
            display: flex;
            align-items: center;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-ink);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            gap: 40px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 0;
            position: relative;
            transition: color 0.3s;
            letter-spacing: 0.02em;
        }

        .nav-links a:hover {
            color: var(--color-primary);
        }

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

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 600;
            border-radius: 8px;
            padding: 10px 22px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        .btn:focus {
            outline: 2px solid rgba(11, 59, 46, 0.3);
            outline-offset: 2px;
        }

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

        .btn-primary:hover {
            background: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(11, 59, 46, 0.2);
        }

        .btn-accent {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 163, 61, 0.3);
        }

        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #fff;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--color-ink);
            border-radius: 2px;
            transition: 0.3s;
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100%;
            background: #fff;
            z-index: 200;
            padding: 80px 32px 32px;
            box-shadow: -8px 0 30px rgba(0, 0, 0, 0.08);
            transition: right 0.3s ease;
        }

        .mobile-nav.open {
            right: 0;
        }

        .mobile-nav-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .mobile-nav-links li {
            margin-bottom: 24px;
        }

        .mobile-nav-links a {
            font-size: 17px;
            font-weight: 500;
            color: var(--color-text);
            padding-bottom: 6px;
            border-bottom: 2px solid transparent;
            display: inline-block;
        }

        .mobile-nav-links a.active {
            color: var(--color-primary);
            border-bottom-color: var(--color-primary);
        }

        .mobile-nav-cta {
            margin-top: 32px;
        }

        .page-hero {
            background: linear-gradient(120deg, rgba(11, 59, 46, 0.95) 0%, rgba(11, 59, 46, 0.75) 60%, rgba(30, 29, 27, 0.6) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 60px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: color 0.3s;
        }

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

        .breadcrumb i {
            font-size: 12px;
            opacity: 0.6;
        }

        .article-title {
            font-size: 40px;
            line-height: 1.25;
            font-weight: 700;
            color: #fff;
            margin: 0 0 20px;
            letter-spacing: 0.02em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: 24px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
            flex-wrap: wrap;
        }

        .article-meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .article-meta-item i {
            color: var(--color-accent);
            font-size: 13px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .article-summary {
            margin-top: 20px;
            padding: 20px 24px;
            background: rgba(255, 255, 255, 0.08);
            border-left: 3px solid var(--color-accent);
            border-radius: 0 8px 8px 0;
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            line-height: 1.9;
            max-width: 800px;
        }

        .article-main {
            padding: 72px 0;
        }

        .article-body {
            max-width: 760px;
            margin: 0 auto;
            background: var(--color-card);
            border-radius: 12px;
            padding: 56px;
            border: 1px solid var(--color-border);
            box-shadow: 0 2px 12px rgba(30, 29, 27, 0.05);
        }

        .article-body h1,
        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--color-ink);
            font-weight: 700;
            line-height: 1.4;
            margin-top: 40px;
            margin-bottom: 16px;
            letter-spacing: 0.02em;
        }

        .article-body h2 {
            font-size: 28px;
        }

        .article-body h3 {
            font-size: 20px;
        }

        .article-body p {
            margin: 0 0 20px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text);
        }

        .article-body blockquote {
            margin: 28px 0;
            padding: 16px 24px;
            background: var(--color-support);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 8px 8px 0;
            color: var(--color-text);
            font-style: normal;
        }

        .article-body blockquote p {
            margin: 0;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 24px 24px;
            padding: 0;
        }

        .article-body ul {
            list-style: disc;
        }

        .article-body ol {
            list-style: decimal;
        }

        .article-body li {
            margin-bottom: 8px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text);
        }

        .article-body img {
            border-radius: 12px;
            margin: 32px 0;
        }

        .article-body a {
            color: var(--color-primary);
            border-bottom: 1px solid rgba(11, 59, 46, 0.3);
            transition: all 0.3s;
        }

        .article-body a:hover {
            color: var(--color-accent);
            border-bottom-color: var(--color-accent);
        }

        .not-found-wrap {
            max-width: 760px;
            margin: 0 auto;
            text-align: center;
            padding: 80px 24px;
            background: var(--color-card);
            border-radius: 12px;
            border: 1px solid var(--color-border);
        }

        .not-found-icon {
            font-size: 48px;
            color: var(--color-accent);
            margin-bottom: 24px;
        }

        .recent-posts {
            max-width: 760px;
            margin: 56px auto 0;
        }

        .recent-title {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-ink);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .recent-title::after {
            content: '';
            flex: 1;
            height: 1px;
            background: var(--color-border);
        }

        .recent-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .recent-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
            display: block;
        }

        .recent-card:hover {
            box-shadow: 0 8px 28px rgba(30, 29, 27, 0.10);
            transform: translateY(-4px);
            border-color: rgba(11, 59, 46, 0.4);
        }

        .recent-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }

        .recent-card-body {
            padding: 16px;
        }

        .recent-card-body h3 {
            font-size: 15px;
            line-height: 1.5;
            font-weight: 600;
            color: var(--color-ink);
            margin: 0 0 8px;
        }

        .recent-card-body span {
            font-size: 13px;
            color: var(--color-text-muted);
        }

        .page-cta {
            background: var(--color-ink);
            padding: 72px 0;
            text-align: center;
        }

        .page-cta h2 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .page-cta p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin: 0 auto 28px;
            max-width: 480px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--color-ink);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
        }

        .footer-brand .logo .logo-mark {
            background: var(--color-accent);
            color: var(--color-ink);
        }

        .footer-brand .logo .logo-text {
            color: #fff;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: #B0AAA2;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 16px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #B0AAA2;
            font-size: 14px;
            transition: color 0.3s;
        }

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

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

        .footer-contact li {
            color: #B0AAA2;
            font-size: 14px;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--color-accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        .back-home {
            text-align: center;
            margin-top: 40px;
        }

        .back-home a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-primary);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 24px;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            transition: all 0.3s;
            background: var(--color-card);
        }

        .back-home a:hover {
            border-color: var(--color-primary);
            background: var(--color-support);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }

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

        @media (max-width: 768px) {
            .nav-links,
            .nav-cta .btn-primary {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .mobile-nav {
                display: block;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header {
                height: 64px;
            }

            .logo-text {
                font-size: 16px;
            }

            .article-title {
                font-size: 28px;
            }

            .article-body {
                padding: 32px 20px;
            }

            .page-hero {
                padding: 40px 0;
            }

            .article-main {
                padding: 48px 0;
            }

            .recent-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .page-cta {
                padding: 56px 0;
            }

            .page-cta h2 {
                font-size: 24px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }

            .cta-buttons .btn {
                min-width: 240px;
            }
        }

        @media (max-width: 520px) {
            .article-meta {
                gap: 16px;
                font-size: 13px;
            }

            .article-summary {
                padding: 16px;
                font-size: 14px;
            }

            .breadcrumb {
                font-size: 13px;
            }

            .article-body h2 {
                font-size: 24px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #0B3B2E;
            --color-primary-hover: #0E4A39;
            --color-accent: #E8A33D;
            --color-accent-hover: #F0B85A;
            --color-ink: #1E1D1B;
            --color-bg: #F8F6F2;
            --color-card: #FFFFFF;
            --color-support: #EDF2EF;
            --color-border: #E4DED5;
            --color-text: #343230;
            --color-text-muted: #6F6A63;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 2px 12px rgba(30,29,27,0.05);
            --shadow-hover: 0 8px 28px rgba(30,29,27,0.10);
            --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.9;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s ease;
        }
        button {
            font-family: inherit;
            background: none;
            border: none;
            cursor: pointer;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(248, 246, 242, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            height: 78px;
            display: flex;
            align-items: center;
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--color-primary);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 19px;
            font-weight: 700;
            letter-spacing: 0;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 40px;
            align-items: center;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            padding: 8px 0;
            position: relative;
            line-height: 1.4;
        }
        .nav-links a:hover {
            color: var(--color-primary);
        }
        .nav-links a.active {
            color: var(--color-primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-primary);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-family: inherit;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 10px 22px;
            transition: all .3s ease;
            border: 1px solid transparent;
            line-height: 1.4;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .btn-primary:hover {
            background: var(--color-primary-hover);
            border-color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 59, 46, 0.22);
        }
        .btn-primary:focus-visible {
            outline: 2px solid rgba(11, 59, 46, 0.3);
            outline-offset: 2px;
        }
        .btn-accent {
            background: var(--color-accent);
            color: var(--color-ink);
            border-color: var(--color-accent);
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 163, 61, 0.35);
        }
        .btn-accent:focus-visible {
            outline: 2px solid rgba(232, 163, 61, 0.4);
            outline-offset: 2px;
        }
        .btn-outline-light {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            padding: 6px;
            border-radius: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            border-radius: 2px;
            background: var(--color-text);
            transition: all .3s ease;
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        @media (max-width: 1023px) {
            .nav-links {
                position: fixed;
                top: 78px;
                left: 0;
                right: 0;
                background: var(--color-bg);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 24px 32px;
                gap: 0;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 16px 32px rgba(30, 29, 27, 0.08);
                transform: translateY(-120%);
                visibility: hidden;
                transition: transform .4s ease, visibility .4s ease;
                z-index: 45;
            }
            .nav-links.open {
                transform: translateY(0);
                visibility: visible;
            }
            .nav-links li {
                width: 100%;
            }
            .nav-links a {
                display: block;
                padding: 16px 0;
                font-size: 17px;
                border-bottom: 1px solid rgba(228, 222, 213, 0.6);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                position: relative;
            }
            .nav-links a.active::before {
                content: "";
                position: absolute;
                left: -12px;
                top: 50%;
                transform: translateY(-50%);
                width: 4px;
                height: 4px;
                border-radius: 50%;
                background: var(--color-primary);
            }
            .nav-toggle {
                display: flex;
            }
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo-text {
                font-size: 18px;
            }
            .nav-cta .btn-primary {
                display: none;
            }
        }
        .category-hero {
            position: relative;
            min-height: 320px;
            max-height: 360px;
            display: flex;
            align-items: center;
            background: linear-gradient(100deg, rgba(11, 59, 46, 0.92) 0%, rgba(11, 59, 46, 0.72) 55%, rgba(11, 59, 46, 0.5) 100%);
            overflow: hidden;
        }
        .category-hero .bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            z-index: -1;
        }
        .category-hero .container {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: center;
            padding-top: 56px;
            padding-bottom: 56px;
        }
        .category-hero h1 {
            font-size: 44px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
            line-height: 1.15;
            margin-bottom: 14px;
        }
        .category-hero p.sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.88);
            max-width: 560px;
            line-height: 1.8;
        }
        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: var(--color-ink);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }
        @media (max-width: 768px) {
            .category-hero {
                min-height: 280px;
                max-height: 340px;
            }
            .category-hero h1 {
                font-size: 32px;
            }
            .category-hero p.sub {
                font-size: 15px;
            }
        }
        .section-block {
            padding-top: 88px;
            padding-bottom: 88px;
        }
        .section-block.tight {
            padding-top: 64px;
            padding-bottom: 64px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.25;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            max-width: 640px;
            line-height: 1.8;
        }
        .split-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }
        .split-grid .media {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .split-grid .media img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.7s ease;
        }
        .split-grid .media img:hover {
            transform: scale(1.03);
        }
        .split-grid .media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(11, 59, 46, 0.2));
            border-radius: 20px;
        }
        .content-list {
            list-style: none;
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .content-list li {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }
        .content-list .icon {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-support);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            flex-shrink: 0;
            border: 1px solid rgba(11, 59, 46, 0.1);
        }
        .content-list h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 4px;
        }
        .content-list p {
            font-size: 14.5px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        .flow-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }
        .flow-step {
            background: var(--color-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            position: relative;
            transition: all .35s ease;
        }
        .flow-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 59, 46, 0.35);
        }
        .flow-step .step-num {
            font-size: 48px;
            font-weight: 700;
            line-height: 1;
            color: var(--color-primary);
            opacity: 0.15;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            display: block;
        }
        .flow-step h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--color-ink);
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }
        @media (max-width: 1023px) {
            .flow-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .split-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .split-grid .media img {
                height: 320px;
            }
        }
        @media (max-width: 640px) {
            .flow-row {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .section-title {
                font-size: 28px;
            }
        }
        .scene-card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: all .35s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 59, 46, 0.3);
        }
        .scene-card .card-img {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .scene-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .scene-card:hover .card-img img {
            transform: scale(1.04);
        }
        .scene-card .card-body {
            padding: 26px 24px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .scene-card .card-tag {
            display: inline-flex;
            align-items: center;
            align-self: flex-start;
            background: var(--color-support);
            color: var(--color-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .scene-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .scene-card p {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            flex: 1;
        }
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 44px;
        }
        @media (max-width: 1023px) {
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }
        .faq-wrap {
            max-width: 800px;
            margin: 44px auto 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            box-shadow: 0 2px 8px rgba(30, 29, 27, 0.03);
            overflow: hidden;
            transition: border-color .3s ease, box-shadow .3s ease;
        }
        .faq-item.open {
            background: var(--color-support);
            border-color: rgba(11, 59, 46, 0.25);
            box-shadow: 0 4px 16px rgba(11, 59, 46, 0.06);
        }
        .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 28px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-ink);
            line-height: 1.5;
            transition: color .25s ease;
        }
        .faq-q .faq-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            border: 1px solid var(--color-border);
            background: var(--color-card);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 400;
            color: var(--color-text-muted);
            flex-shrink: 0;
            transition: all .3s ease;
            margin-left: 18px;
            line-height: 1;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-primary);
            border-color: var(--color-primary);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-a-inner {
            padding: 0 28px 24px;
            font-size: 15px;
            line-height: 1.85;
            color: var(--color-text);
            border-left: 3px solid var(--color-primary);
            margin-left: 28px;
            padding-left: 20px;
            margin-right: 28px;
        }
        @media (max-width: 640px) {
            .faq-q {
                padding: 18px 18px;
                font-size: 15px;
            }
            .faq-a-inner {
                margin-left: 18px;
                padding-left: 16px;
                margin-right: 18px;
            }
        }
        .cta-block {
            background: var(--color-ink);
            padding: 96px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: "";
            position: absolute;
            right: -10%;
            top: -20%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 163, 61, 0.14) 0%, transparent 70%);
        }
        .cta-inner {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .cta-inner h2 {
            font-size: 38px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.72);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            gap: 18px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-sub {
            margin-top: 26px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }
        @media (max-width: 640px) {
            .cta-block {
                padding: 64px 0;
            }
            .cta-inner h2 {
                font-size: 30px;
            }
            .cta-actions .btn {
                width: 100%;
                max-width: 320px;
            }
        }
        .rel-links {
            padding: 48px 0;
            border-top: 1px solid var(--color-border);
        }
        .rel-links .inner {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .rel-links .link-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border: 1px solid var(--color-border);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            background: var(--color-card);
            transition: all .3s ease;
        }
        .rel-links .link-item:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            box-shadow: 0 4px 12px rgba(11, 59, 46, 0.08);
        }
        .rel-links .link-item.current {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }
        .site-footer {
            background: var(--color-ink);
            color: #B0AAA2;
            padding-top: 72px;
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 48px;
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand .logo .logo-mark {
            background: var(--color-accent);
            color: var(--color-ink);
        }
        .footer-brand .logo .logo-text {
            color: #fff;
        }
        .footer-desc {
            font-size: 14px;
            color: #9A948C;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 300px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #B0AAA2;
            font-size: 14px;
            transition: color .25s ease;
        }
        .footer-links a:hover {
            color: var(--color-accent);
        }
        .footer-contact {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: #B0AAA2;
        }
        .footer-contact i {
            color: var(--color-accent);
            width: 18px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 56px;
            padding: 24px 0;
            text-align: center;
            font-size: 13px;
            color: #6F6A63;
        }
        @media (max-width: 1023px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }
        .hover-lift {
            transition: all .35s ease;
        }
        .hover-lift:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .badge-accent {
            display: inline-block;
            background: var(--color-accent);
            color: var(--color-ink);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
            letter-spacing: 0.04em;
        }

/* roulang page: category2 */
:root {
  --color-primary: #0B3B2E;
  --color-primary-hover: #0E4A39;
  --color-accent: #E8A33D;
  --color-accent-hover: #F0B85A;
  --color-ink: #1E1D1B;
  --color-bg: #F8F6F2;
  --color-card: #FFFFFF;
  --color-support: #EDF2EF;
  --color-border: #E4DED5;
  --color-text: #343230;
  --color-muted: #6F6A63;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-card: 0 2px 12px rgba(30, 29, 27, 0.05);
  --shadow-hover: 0 8px 28px rgba(30, 29, 27, 0.10);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.9;
  background: var(--color-bg);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 249, 246, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0;
}

.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.02em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
  list-style: none;
}

.nav-links a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text);
  padding: 8px 2px;
  transition: color .25s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  transform: translateX(-50%) scaleX(0);
  width: 100%;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transition: transform .3s;
}

.nav-links a:hover {
  color: var(--color-primary);
}

.nav-links a:hover::after {
  transform: translateX(-50%) scaleX(1);
}

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

.nav-links a.active::after {
  transform: translateX(-50%) scaleX(1);
}

.nav-cta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-align: center;
  transition: all .25s ease;
}

.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid rgba(11, 59, 46, 0.35);
  outline-offset: 3px;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  padding: 10px 22px;
  font-size: 14px;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(11, 59, 46, 0.18);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

.btn-accent {
  background: var(--color-accent);
  color: #1E1D1B;
  padding: 14px 34px;
  font-size: 15px;
}

.btn-accent:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(232, 163, 61, 0.30);
}

.btn-accent:active {
  transform: translateY(0);
}

.btn-outline-light {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.55);
  color: #fff;
  padding: 13px 32px;
  font-size: 15px;
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: #fff;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--color-ink);
  margin: 5px auto;
  border-radius: 999px;
  transition: transform .3s, opacity .3s;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 300px;
  max-height: 360px;
  overflow: hidden;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11, 59, 46, 0.92) 15%, rgba(11, 59, 46, 0.62) 55%, rgba(11, 59, 46, 0.25) 100%);
}

.page-hero .container {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  font-size: 46px;
  line-height: 1.15;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}

.page-hero .hero-sub {
  max-width: 640px;
  margin-top: 14px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.page-hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.70);
}

.page-hero .breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
}

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

.page-hero .breadcrumb .sep {
  color: rgba(255, 255, 255, 0.45);
}

/* ===== Section ===== */
.section {
  padding: 96px 0;
}

.section-alt {
  background: #fff;
}

.section-head {
  margin-bottom: 44px;
  max-width: 720px;
}

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

.section-head .eyebrow {
  display: inline-block;
  padding: 4px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 999px;
  background: var(--color-support);
  color: var(--color-primary);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}

.section-head h2 {
  font-size: 34px;
  line-height: 1.25;
  font-weight: 700;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}

.section-head .lead {
  margin-top: 16px;
  font-size: 16px;
  color: var(--color-muted);
  line-height: 1.8;
}

/* ===== Intro ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.intro-copy p {
  margin-bottom: 18px;
  font-size: 15px;
  line-height: 2;
  color: var(--color-text);
}

.intro-copy .intro-list {
  margin-top: 8px;
  list-style: none;
  padding: 0;
}

.intro-copy .intro-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 15px;
  color: var(--color-text);
}

.intro-copy .intro-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--color-accent);
}

.intro-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.intro-media img {
  width: 100%;
  height: 340px;
  object-fit: cover;
  transition: transform 1.2s ease;
}

.intro-media:hover img {
  transform: scale(1.03);
}

/* ===== Capability ===== */
.capability-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 60px;
  align-items: start;
}

.capability-sticky {
  position: sticky;
  top: 110px;
}

.capability-sticky h2 {
  font-size: 32px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-ink);
}

.capability-sticky p {
  margin-top: 16px;
  font-size: 15px;
  color: var(--color-muted);
  line-height: 1.9;
}

.capability-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.capability-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 30px;
  box-shadow: var(--shadow-card);
  transition: box-shadow .3s, transform .3s, border-color .3s;
}

.capability-card:hover {
  border-color: rgba(11, 59, 46, 0.45);
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.capability-card .cap-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(232, 163, 61, 0.16);
  color: #9A6B14;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 14px;
}

.capability-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-ink);
  margin-bottom: 6px;
}

.capability-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-muted);
}

/* ===== Process ===== */
.process-section {
  background: var(--color-ink);
}

.process-section .section-head h2 {
  color: #fff;
}

.process-section .section-head .lead {
  color: rgba(255, 255, 255, 0.65);
}

.process-section .section-head .eyebrow {
  background: rgba(255, 255, 255, 0.10);
  color: var(--color-accent);
}

.process-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 40px;
  max-width: 1120px;
  margin: 0 auto;
}

.process-card {
  position: relative;
  padding: 36px 30px 32px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: var(--radius-md);
  transition: background .3s, border-color .3s, transform .3s;
}

.process-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(232, 163, 61, 0.45);
  transform: translateY(-3px);
}

.process-card .step-num {
  font-size: 56px;
  line-height: 1;
  font-weight: 700;
  color: rgba(232, 163, 61, 0.85);
  font-family: "Inter", "DIN Alternate", "Arial", sans-serif;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
}

.process-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 10px;
}

.process-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.85;
}

/* ===== Scenarios ===== */
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 24px;
}

.case-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s, box-shadow .3s, border-color .3s;
}

.case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(11, 59, 46, 0.40);
}

.case-card .case-img {
  height: 200px;
  overflow: hidden;
}

.case-card .case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s ease;
}

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

.case-card .case-tag {
  display: inline-block;
  margin: 22px 24px 0;
  padding: 4px 14px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 999px;
  background: rgba(232, 163, 61, 0.14);
  color: #955F12;
  letter-spacing: 0.02em;
}

.case-card h3 {
  margin: 14px 24px 8px;
  font-size: 19px;
  font-weight: 600;
  color: var(--color-ink);
}

.case-card p {
  margin: 0 24px 24px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-muted);
}

/* ===== FAQ ===== */
.faq-wrap {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s;
}

.faq-item.open {
  border-color: rgba(11, 59, 46, 0.30);
  box-shadow: var(--shadow-card);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 26px;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
  transition: color .3s;
}

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

.faq-question .faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  transition: background .3s, border-color .3s, transform .3s;
}

.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--color-text);
  transform: translate(-50%, -50%);
  transition: background .3s;
}

.faq-question .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform .3s;
}

.faq-item.open .faq-icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.faq-item.open .faq-icon::before,
.faq-item.open .faq-icon::after {
  background: #fff;
}

.faq-item.open .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .35s ease;
}

.faq-answer-inner {
  padding: 0 26px 24px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--color-text);
  border-left: 3px solid var(--color-primary);
  margin-left: 26px;
  margin-right: 26px;
  background: var(--color-support);
  border-radius: 0 8px 8px 0;
  padding: 16px 20px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background-color: var(--color-ink);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  text-align: center;
  padding: 96px 0;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(30, 29, 27, 0.88) 0%, rgba(11, 59, 46, 0.90) 100%);
}

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

.cta-section h2 {
  color: #fff;
  font-size: 38px;
  line-height: 1.25;
  font-weight: 700;
}

.cta-section p {
  max-width: 560px;
  margin: 18px auto 34px;
  font-size: 16px;
  color: rgba(255, 255, 255, 0.70);
  line-height: 1.9;
}

.cta-note {
  margin-top: 22px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.50);
}

/* ===== Related Links ===== */
.related-links {
  padding: 44px 0 56px;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}

.related-links .container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
}

.related-links .rl-label {
  color: var(--color-muted);
}

.related-links a {
  color: var(--color-primary);
  font-weight: 500;
  padding: 6px 16px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-card);
  transition: all .3s;
}

.related-links a:hover {
  border-color: var(--color-primary);
  background: var(--color-support);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.64);
}

.site-footer .container {
  padding-top: 64px;
  padding-bottom: 40px;
}

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

.footer-brand .logo-text {
  color: #fff;
}

.footer-desc {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

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

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

.footer-links a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: color .25s;
}

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

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

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 12px;
}

.footer-contact svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 24px;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .nav-links {
    gap: 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .intro-grid {
    gap: 40px;
  }

  .capability-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .capability-sticky {
    position: static;
  }
}

@media (max-width: 900px) {
  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-hover);
    transform: translateY(-16px);
    opacity: 0;
    visibility: hidden;
    transition: transform .3s, opacity .3s, visibility .3s;
  }

  .nav-links.nav-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: 14px 2px;
    border-bottom: 1px solid rgba(228, 222, 213, 0.6);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a.active {
    color: var(--color-primary);
  }

  .nav-cta .btn {
    display: none;
  }

  .process-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .case-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .intro-grid {
    grid-template-columns: 1fr;
  }

  .page-hero h1 {
    font-size: 36px;
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .section {
    padding: 64px 0;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .page-hero {
    min-height: 280px;
    max-height: 330px;
  }

  .page-hero h1 {
    font-size: 32px;
  }

  .page-hero .hero-sub {
    font-size: 15px;
  }

  .intro-media img {
    height: 220px;
  }

  .cta-section {
    padding: 64px 0;
  }

  .cta-section h2 {
    font-size: 30px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .related-links .container {
    flex-direction: column;
    gap: 12px;
  }
}