/* roulang page: index */
:root {
            --primary: #0E6A4D;
            --primary-dark: #0A543C;
            --primary-light: #EAF2EE;
            --accent: #F47D21;
            --accent-hover: #FF8A36;
            --dark-bg: #0F2A22;
            --page-bg: #F7F6F2;
            --card-bg: #FFFFFF;
            --text-main: #1F2B26;
            --text-secondary: #66766E;
            --border-color: #E2E8E3;
            --radius-card: 14px;
            --radius-btn: 999px;
            --radius-input: 10px;
            --radius-panel: 18px;
            --shadow-card: 0 8px 24px rgba(15, 42, 34, 0.06);
            --shadow-hover: 0 16px 32px rgba(15, 42, 34, 0.12);
            --shadow-nav: 0 10px 30px rgba(15, 42, 34, 0.10);
            --spacing-section: 96px;
            --spacing-mobile: 64px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", system-ui, -apple-system, sans-serif;
            --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

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

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

        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }

        section {
            position: relative;
        }

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

        .section-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 999px;
            letter-spacing: .04em;
            margin-bottom: 18px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 12px;
            letter-spacing: .01em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }

        /* ===== 悬浮胶囊导航 ===== */
        .nav-capsule {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1080;
            padding: 0 20px;
            pointer-events: none;
        }
        .nav-capsule .container {
            pointer-events: auto;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.82);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            padding: 8px 12px 8px 20px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.5);
            max-width: 1180px;
            margin: 0 auto;
            gap: 16px;
        }
        @supports not (backdrop-filter: blur(14px)) {
            .nav-inner {
                background: #fdfdfd;
            }
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 999px;
            transition: all .25s ease;
            line-height: 1.4;
        }
        .nav-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: 999px;
            white-space: nowrap;
            transition: all .25s ease;
            flex-shrink: 0;
        }
        .nav-cta:hover {
            background: var(--accent);
            transform: translateY(-2px);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
            border-radius: 50%;
        }
        .nav-toggle svg {
            width: 24px;
            height: 24px;
            stroke: var(--text-main);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-color: var(--dark-bg);
            padding: 140px 0 90px;
            color: #fff;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 42, 34, 0.88), rgba(15, 42, 34, 0.45) 55%, rgba(15, 42, 34, 0.15));
            z-index: 1;
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-content {
            max-width: 100%;
        }
        .hero-title {
            font-size: 54px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            color: #fff;
            letter-spacing: -0.01em;
        }
        .hero-title .highlight {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.7;
            margin-bottom: 34px;
            max-width: 460px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 999px;
            transition: all .3s ease;
            border: none;
            cursor: pointer;
        }
        .btn-main:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(244, 125, 33, 0.3);
            color: #fff;
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.92);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 8px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.3);
            transition: all .25s ease;
        }
        .btn-ghost:hover {
            color: #fff;
            border-color: var(--accent);
        }
        .hero-panel {
            background: rgba(255, 255, 255, 0.95);
            border-radius: var(--radius-panel);
            padding: 30px 28px;
            box-shadow: 0 24px 48px rgba(0, 0, 0, 0.18);
            color: var(--text-main);
            margin-left: auto;
            max-width: 420px;
        }
        .hero-panel-title {
            font-size: 14px;
            color: var(--text-secondary);
            font-weight: 500;
            letter-spacing: .05em;
            text-transform: uppercase;
            margin-bottom: 22px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-panel-title::before {
            content: '';
            width: 18px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }
        .hero-stat {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .hero-stat:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .hero-stat .stat-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
        }
        .hero-stat .stat-num {
            font-family: var(--font-num);
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            letter-spacing: -0.02em;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 2px;
            line-height: 1.4;
        }

        /* ===== 三步上手 ===== */
        .steps-section {
            background: var(--page-bg);
            padding: var(--spacing-section) 0;
        }
        .steps-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .steps-header .section-desc {
            margin: 0 auto;
        }
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 0;
            position: relative;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            position: relative;
        }
        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 70px;
            right: -30%;
            width: 60%;
            border-top: 3px dashed var(--border-color);
            z-index: 0;
        }
        .step-num {
            font-family: var(--font-num);
            font-size: 72px;
            font-weight: 800;
            color: rgba(14, 106, 77, 0.08);
            line-height: 1;
            display: block;
            margin-bottom: -8px;
            position: relative;
            z-index: 1;
        }
        .step-icon {
            width: 72px;
            height: 72px;
            margin: 16px auto 20px;
            border-radius: 50%;
            background: var(--card-bg);
            border: 2px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(14, 106, 77, 0.08);
            position: relative;
            z-index: 1;
        }
        .step-icon::after {
            content: '';
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            position: absolute;
            bottom: -4px;
            right: -4px;
            border: 2px solid var(--page-bg);
        }
        .step-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 260px;
            margin: 0 auto;
        }

        /* ===== 最新动态 ===== */
        .news-section {
            background: var(--card-bg);
            padding: var(--spacing-section) 0;
        }
        .news-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .news-card {
            background: var(--page-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: #D9E2DC;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.03);
        }
        .news-card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-tag {
            align-self: flex-start;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
        }
        .news-title {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text-main);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-excerpt {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }
        .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 8px;
        }
        .news-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap .2s ease;
        }
        .news-link:hover {
            gap: 8px;
            color: var(--accent);
        }
        .empty-state {
            padding: 80px 24px;
            border: 1px dashed #C3CFC7;
            border-radius: 16px;
            text-align: center;
            color: var(--text-secondary);
            width: 100%;
            background: var(--page-bg);
        }
        .empty-state svg {
            width: 48px;
            height: 48px;
            stroke: var(--border-color);
            margin-bottom: 16px;
        }

        /* ===== 案例证明 ===== */
        .cases-section {
            background: var(--page-bg);
            padding: var(--spacing-section) 0;
            overflow: hidden;
        }
        .cases-wrap {
            display: flex;
            gap: 48px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .cases-left {
            flex: 0 0 320px;
            max-width: 320px;
        }
        .cases-left .section-badge {
            margin-bottom: 16px;
        }
        .cases-left p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cases-data {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .cases-data .data-item {
            background: var(--card-bg);
            border-radius: 12px;
            padding: 16px 18px;
            text-align: center;
            box-shadow: var(--shadow-card);
            min-width: 84px;
        }
        .data-item .data-num {
            font-family: var(--font-num);
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .data-item .data-label {
            font-size: 12px;
            color: var(--text-secondary);
            margin-top: 2px;
        }
        .cases-right {
            flex: 1;
            min-width: 0;
        }
        .cases-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 16px;
            scroll-snap-type: x mandatory;
            scrollbar-width: thin;
            scrollbar-color: var(--border-color) transparent;
        }
        .cases-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .cases-scroll::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 4px;
        }
        .case-card {
            flex: 0 0 300px;
            background: var(--card-bg);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            scroll-snap-align: start;
            transition: transform .3s ease, box-shadow .3s ease;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .case-card-img {
            aspect-ratio: 16/10;
            overflow: hidden;
            background-color: #D9E2DC;
        }
        .case-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-card-body {
            padding: 20px;
        }
        .case-card-body h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .case-metrics {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .case-metrics .metric {
            display: flex;
            align-items: baseline;
            gap: 4px;
        }
        .case-metrics .metric strong {
            font-family: var(--font-num);
            font-size: 22px;
            color: var(--primary);
            font-weight: 800;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--card-bg);
            padding: var(--spacing-section) 0;
        }
        .faq-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .faq-header .section-desc {
            margin: 0 auto;
        }
        .faq-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
        }
        .faq-list {
            flex: 0 0 360px;
            max-width: 360px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-trigger {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            width: 100%;
            padding: 14px 16px;
            background: var(--page-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            transition: all .25s ease;
            text-align: left;
        }
        .faq-trigger:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .faq-trigger.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(14, 106, 77, 0.2);
        }
        .faq-trigger .faq-icon {
            font-size: 20px;
            font-weight: 400;
            line-height: 1;
            transition: transform .3s ease;
        }
        .faq-trigger.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-panels {
            flex: 1;
            min-width: 320px;
            position: relative;
        }
        .faq-panel {
            background: var(--page-bg);
            border-radius: var(--radius-panel);
            padding: 36px;
            border-left: 4px solid var(--primary);
            box-shadow: var(--shadow-card);
            display: none;
            min-height: 240px;
        }
        .faq-panel.active {
            display: block;
            animation: fadeSlide .3s ease;
        }
        .faq-panel h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .faq-panel p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
        }
        @keyframes fadeSlide {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 立即开通 ===== */
        .contact-section {
            background: var(--dark-bg);
            padding: var(--spacing-section) 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .contact-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }
        .contact-section .container {
            position: relative;
            z-index: 1;
        }
        .contact-wrap {
            display: flex;
            gap: 56px;
            flex-wrap: wrap;
            align-items: flex-start;
        }
        .contact-left {
            flex: 1;
            min-width: 280px;
        }
        .contact-left .section-badge {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }
        .contact-left h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 20px;
            color: #fff;
        }
        .contact-points {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 28px;
        }
        .contact-point {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
        }
        .contact-point svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
            flex-shrink: 0;
        }
        .contact-form-wrap {
            flex: 0 0 460px;
            max-width: 460px;
            background: #fff;
            border-radius: var(--radius-panel);
            padding: 36px;
            color: var(--text-main);
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.2);
        }
        .contact-form-wrap h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--text-main);
        }
        .form-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
            display: block;
        }
        .form-label span {
            color: var(--accent);
            margin-left: 2px;
        }
        .form-control,
        .form-select {
            width: 100%;
            height: 44px;
            padding: 10px 14px;
            font-size: 15px;
            color: var(--text-main);
            background: var(--page-bg);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-input);
            transition: all .25s ease;
            margin-bottom: 18px;
        }
        .form-control:focus,
        .form-select:focus {
            border-color: var(--accent);
            outline: none;
            box-shadow: 0 0 0 4px rgba(244, 125, 33, 0.15);
            background: #fff;
        }
        .form-control::placeholder {
            color: #a0ada6;
        }
        textarea.form-control {
            height: auto;
            min-height: 88px;
            resize: vertical;
        }
        .btn-submit {
            width: 100%;
            height: 48px;
            background: var(--accent);
            border: none;
            border-radius: 12px;
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: all .25s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .btn-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(244, 125, 33, 0.3);
        }
        .btn-submit:active {
            transform: translateY(0);
        }
        .form-feedback {
            font-size: 14px;
            padding: 8px 0;
            display: none;
        }
        .form-feedback.success {
            color: var(--primary);
            display: block;
        }
        .form-feedback.error {
            color: #dc3545;
            display: block;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.75);
            padding: 64px 0 0;
            font-size: 14px;
        }
        .footer-top {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }
        .footer-brand {
            flex: 2;
            min-width: 240px;
        }
        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--dark-bg);
            font-weight: 800;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 260px;
        }
        .footer-col {
            flex: 1;
            min-width: 140px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: .02em;
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            color: rgba(255, 255, 255, 0.6);
            transition: all .2s ease;
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-contact-col {
            flex: 1.5;
            min-width: 200px;
        }
        .footer-contact-col p {
            margin-bottom: 6px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-contact-col p span {
            color: rgba(255, 255, 255, 0.35);
            display: block;
            font-size: 13px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            margin-left: 16px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 42px;
            }
            .hero {
                padding-top: 120px;
            }
            .hero-panel {
                margin-left: 0;
                margin-top: 36px;
                max-width: 100%;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .step-item {
                text-align: left;
                display: flex;
                align-items: center;
                gap: 20px;
                padding: 20px;
                background: var(--card-bg);
                border-radius: var(--radius-card);
                box-shadow: var(--shadow-card);
            }
            .step-num {
                font-size: 44px;
                margin: 0;
            }
            .step-icon {
                margin: 0;
                width: 56px;
                height: 56px;
            }
            .step-desc {
                margin: 0;
            }
            .step-title {
                margin-bottom: 4px;
            }
            .cases-wrap {
                flex-direction: column;
                gap: 32px;
            }
            .cases-left {
                flex: 1;
                max-width: 100%;
            }
            .faq-row {
                flex-direction: column;
            }
            .faq-list {
                flex: 1;
                max-width: 100%;
                flex-direction: row;
                overflow-x: auto;
                padding-bottom: 8px;
                scroll-snap-type: x mandatory;
            }
            .faq-trigger {
                flex: 0 0 auto;
                width: auto;
                white-space: nowrap;
                scroll-snap-align: start;
            }
            .faq-panel {
                padding: 28px;
            }
            .contact-wrap {
                flex-direction: column;
                gap: 40px;
            }
            .contact-form-wrap {
                flex: 1;
                max-width: 100%;
            }
            .footer-top {
                flex-direction: column;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: var(--spacing-mobile) 0;
            }
            .section-title {
                font-size: 28px;
            }
            .hero {
                min-height: auto;
                padding: 110px 0 70px;
            }
            .hero-title {
                font-size: 34px;
                line-height: 1.2;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .hero-panel {
                padding: 24px 20px;
            }
            .news-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .cases-data {
                gap: 12px;
            }
            .cases-data .data-item {
                padding: 12px 14px;
                min-width: 72px;
            }
            .faq-panel {
                padding: 22px 20px;
            }
            .contact-form-wrap {
                padding: 26px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom a {
                margin: 0 8px;
            }
        }

        @media (max-width: 575.98px) {
            .nav-capsule {
                top: 10px;
                padding: 0 12px;
            }
            .nav-inner {
                padding: 6px 8px 6px 12px;
                border-radius: 999px;
                gap: 8px;
            }
            .nav-logo {
                font-size: 17px;
            }
            .nav-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 15px;
            }
            .nav-link {
                padding: 8px 14px;
                font-size: 14px;
            }
            .nav-cta {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                right: 0;
                left: 0;
                background: #fff;
                border-radius: 16px;
                box-shadow: var(--shadow-nav);
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                z-index: 1090;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-link {
                text-align: center;
                border-radius: 10px;
                padding: 12px;
            }
            .hero-title {
                font-size: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .step-item {
                flex-direction: column;
                text-align: left;
                gap: 12px;
            }
            .step-num {
                font-size: 36px;
            }
            .case-card {
                flex-basis: 260px;
            }
        }

        @media (min-width: 992px) {
            .hero-row {
                display: flex;
                align-items: center;
                gap: 24px;
            }
            .hero-content {
                flex: 0 0 58%;
                max-width: 58%;
            }
            .hero-panel-wrap {
                flex: 1;
            }
        }
        @media (min-width: 992px) and (max-width: 1199.98px) {
            .hero-title {
                font-size: 46px;
            }
        }

/* roulang page: article */
:root {
        --primary: #0E6A4D;
        --primary-dark: #0A513B;
        --accent: #F47D21;
        --accent-light: #FF8A36;
        --deep: #0F2A22;
        --deep-soft: #1B3D31;
        --bg: #F7F6F2;
        --bg-soft: #EAF2EE;
        --bg-muted: #F0F5F2;
        --card: #FFFFFF;
        --text: #1F2B26;
        --text-soft: #66766E;
        --border: #E2E8E3;
        --radius-card: 14px;
        --radius-btn: 999px;
        --radius-input: 10px;
        --radius-panel: 18px;
        --shadow-card: 0 8px 24px rgba(15, 42, 34, 0.06);
        --shadow-card-hover: 0 16px 32px rgba(15, 42, 34, 0.12);
        --shadow-nav: 0 10px 30px rgba(15, 42, 34, 0.10);
        --font-sans: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", system-ui, -apple-system, sans-serif;
        --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
        --space-section: 96px;
        --space-section-mobile: 64px;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-sans);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

    a {
        color: var(--primary);
        text-decoration: none;
        transition: color 0.25s ease;
    }

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

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

    .container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border: 0;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 15px;
        padding: 12px 28px;
        transition: all 0.25s ease;
        cursor: pointer;
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 18px rgba(14, 106, 77, 0.25);
    }

    .btn-primary:hover {
        background: var(--accent);
        color: #fff;
        box-shadow: 0 8px 22px rgba(244, 125, 33, 0.3);
        transform: translateY(-2px);
    }

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

    .btn-outline:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-2px);
    }

    .nav-capsule {
        position: fixed;
        top: 16px;
        left: 0;
        right: 0;
        z-index: 1080;
        pointer-events: none;
    }

    .nav-capsule .container {
        pointer-events: auto;
    }

    .nav-inner {
        display: flex;
        align-items: center;
        gap: 12px;
        background: rgba(255, 255, 255, 0.88);
        -webkit-backdrop-filter: blur(14px);
        backdrop-filter: blur(14px);
        border-radius: var(--radius-btn);
        padding: 8px 10px 8px 16px;
        box-shadow: var(--shadow-nav);
        border: 1px solid rgba(255, 255, 255, 0.7);
    }

    .nav-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 19px;
        font-weight: 800;
        color: var(--text);
        letter-spacing: 0.02em;
        white-space: nowrap;
    }

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

    .logo-icon {
        width: 34px;
        height: 34px;
        background: var(--primary);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 17px;
        text-transform: uppercase;
        font-family: var(--font-num);
        flex: 0 0 34px;
    }

    .nav-menu {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: auto;
    }

    .nav-link {
        padding: 8px 16px;
        border-radius: var(--radius-btn);
        color: var(--text);
        font-weight: 500;
        font-size: 15px;
        transition: all 0.22s ease;
        white-space: nowrap;
    }

    .nav-link:hover {
        background: var(--bg-soft);
        color: var(--primary);
    }

    .nav-link.active {
        background: var(--primary);
        color: #fff;
    }

    .nav-cta {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        padding: 8px 22px;
        background: var(--primary);
        color: #fff;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 14px;
        transition: all 0.25s ease;
        white-space: nowrap;
    }

    .nav-cta:hover {
        background: var(--accent);
        color: #fff;
        transform: translateY(-2px);
    }

    .nav-toggle {
        display: none;
        width: 40px;
        height: 40px;
        background: transparent;
        border: 0;
        border-radius: 10px;
        color: var(--text);
        align-items: center;
        justify-content: center;
        cursor: pointer;
    }

    .nav-toggle svg {
        width: 22px;
        height: 22px;
    }

    .page-main {
        padding-top: 104px;
        padding-bottom: 40px;
    }

    .article-page {
        background: var(--bg);
    }

    .article-header {
        background: linear-gradient(160deg, #F0F5F2 0%, #F7F6F2 60%, var(--bg) 100%);
        padding: 56px 0 48px;
        border-bottom: 1px solid var(--border);
        position: relative;
        overflow: hidden;
    }

    .article-header::before {
        content: "";
        position: absolute;
        top: 0;
        right: 0;
        width: 420px;
        height: 420px;
        background: radial-gradient(circle, rgba(14, 106, 77, 0.08) 0%, transparent 70%);
        pointer-events: none;
    }

    .breadcrumb-nav {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 14px;
        color: var(--text-soft);
        margin-bottom: 24px;
        position: relative;
        z-index: 2;
    }

    .breadcrumb-nav a {
        color: var(--primary);
        font-weight: 500;
    }

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

    .breadcrumb-nav .sep {
        color: #B4C1B8;
    }

    .breadcrumb-nav .current-title {
        color: var(--text-soft);
        max-width: 420px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .article-h1 {
        font-size: 42px;
        font-weight: 800;
        line-height: 1.22;
        color: var(--text);
        margin: 0 0 18px;
        max-width: 860px;
        letter-spacing: 0.01em;
        position: relative;
        z-index: 2;
    }

    .article-meta {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 14px;
        font-size: 14px;
        color: var(--text-soft);
        position: relative;
        z-index: 2;
    }

    .meta-cat {
        background: var(--bg-soft);
        color: var(--primary);
        padding: 3px 12px;
        border-radius: var(--radius-btn);
        font-weight: 600;
        font-size: 13px;
    }

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

    .meta-date::before {
        content: "▸";
        color: var(--accent);
        font-size: 12px;
        margin-right: 2px;
    }

    .article-body {
        padding: 56px 0 48px;
    }

    .article-body-inner {
        max-width: 760px;
        margin: 0 auto;
    }

    .article-cover-figure {
        margin: 0 0 40px;
        border-radius: var(--radius-card);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        background: #D9E2DC;
    }

    .article-cover-figure img {
        width: 100%;
        height: auto;
        aspect-ratio: 16 / 9;
        object-fit: cover;
    }

    .article-content {
        font-size: 17px;
        line-height: 1.85;
        color: var(--text);
    }

    .article-content h2 {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.3;
        color: var(--text);
        margin: 56px 0 20px;
        padding-top: 8px;
        border-bottom: 1px solid var(--border);
        padding-bottom: 12px;
    }

    .article-content h3 {
        font-size: 21px;
        font-weight: 700;
        line-height: 1.4;
        color: var(--text);
        margin: 34px 0 14px;
    }

    .article-content p {
        margin-bottom: 24px;
    }

    .article-content a {
        color: var(--primary);
        text-decoration: underline;
        text-underline-offset: 4px;
        text-decoration-color: rgba(14, 106, 77, 0.35);
    }

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

    .article-content ul,
    .article-content ol {
        margin: 0 0 24px;
        padding-left: 1.5em;
    }

    .article-content li {
        margin-bottom: 8px;
    }

    .article-content blockquote {
        border-left: 4px solid var(--primary);
        background: var(--bg-muted);
        border-radius: 8px;
        padding: 20px 24px;
        margin: 28px 0;
        font-size: 16px;
        color: var(--text-soft);
        font-style: normal;
    }

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

    .article-content img {
        border-radius: 12px;
        margin: 28px 0 8px;
        box-shadow: var(--shadow-card);
    }

    .article-content figcaption {
        font-size: 13px;
        color: var(--text-soft);
        text-align: center;
        margin: 8px 0 24px;
    }

    .article-content table {
        width: 100%;
        border-collapse: collapse;
        margin: 28px 0;
        font-size: 14px;
        background: #fff;
        border-radius: 10px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
    }

    .article-content th,
    .article-content td {
        padding: 12px 16px;
        border: 1px solid var(--border);
        text-align: left;
    }

    .article-content th {
        background: var(--bg-soft);
        font-weight: 600;
        color: var(--text);
    }

    .article-content code {
        background: var(--bg-muted);
        border-radius: 6px;
        padding: 2px 8px;
        font-size: 14px;
        color: var(--primary-dark);
    }

    .article-content pre {
        background: var(--deep);
        color: #E8F0EC;
        border-radius: 12px;
        padding: 20px 24px;
        overflow-x: auto;
        font-size: 14px;
        margin: 28px 0;
    }

    .related-posts {
        background: var(--bg-soft);
        padding: 64px 0;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .related-title {
        font-size: 26px;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 32px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .related-title::before {
        content: "";
        width: 6px;
        height: 24px;
        background: var(--accent);
        border-radius: 4px;
    }

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

    .news-card {
        display: flex;
        flex-direction: column;
        background: var(--card);
        border-radius: var(--radius-card);
        box-shadow: var(--shadow-card);
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        height: 100%;
        color: var(--text);
    }

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

    .news-card-img {
        position: relative;
        overflow: hidden;
        background: #D9E2DC;
        aspect-ratio: 16 / 10;
    }

    .news-card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }

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

    .news-card-body {
        padding: 18px 20px 20px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .news-tag {
        display: inline-block;
        background: var(--bg-soft);
        color: var(--primary);
        font-size: 12px;
        font-weight: 600;
        padding: 3px 10px;
        border-radius: var(--radius-btn);
        margin-bottom: 10px;
        align-self: flex-start;
    }

    .news-card h4 {
        font-size: 17px;
        font-weight: 600;
        line-height: 1.45;
        margin: 0 0 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-card p {
        font-size: 14px;
        color: var(--text-soft);
        line-height: 1.6;
        margin: 0 0 12px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-card-foot {
        margin-top: auto;
        padding-top: 10px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 13px;
        color: var(--text-soft);
        border-top: 1px solid var(--border);
    }

    .read-more {
        color: var(--primary);
        font-weight: 600;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        transition: color 0.2s ease;
    }

    .news-card:hover .read-more {
        color: var(--accent);
    }

    .article-back {
        padding: 56px 0 80px;
        text-align: center;
    }

    .article-back-inner {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 16px;
    }

    .not-found {
        max-width: 640px;
        margin: 0 auto;
        padding: 80px 24px;
        text-align: center;
        border: 1px dashed #C3CFC7;
        border-radius: 16px;
        background: var(--bg);
    }

    .not-found h1 {
        font-size: 28px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 12px;
    }

    .not-found .btn {
        margin-top: 16px;
    }

    .site-footer {
        background: var(--deep);
        color: rgba(255, 255, 255, 0.8);
        padding: 60px 0 28px;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 3fr 2fr 2fr 3fr;
        gap: 40px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }

    .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-size: 19px;
        font-weight: 800;
        margin-bottom: 14px;
    }

    .footer-logo .logo-icon {
        background: var(--accent);
        color: var(--deep);
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.7;
        color: rgba(255, 255, 255, 0.6);
        max-width: 320px;
        margin: 0;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
        letter-spacing: 0.02em;
    }

    .footer-col a {
        display: block;
        color: rgba(255, 255, 255, 0.62);
        font-size: 14px;
        margin-bottom: 10px;
        transition: color 0.2s ease;
    }

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

    .footer-contact-col h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 600;
        margin-bottom: 16px;
    }

    .footer-contact-col p {
        display: flex;
        gap: 8px;
        font-size: 14px;
        color: rgba(255, 255, 255, 0.62);
        margin-bottom: 10px;
    }

    .footer-contact-col span {
        color: rgba(255, 255, 255, 0.4);
        min-width: 48px;
    }

    .footer-bottom {
        padding-top: 24px;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
        gap: 12px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.45);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
        margin-left: 16px;
    }

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

    @media (max-width: 992px) {
        .article-h1 {
            font-size: 34px;
        }

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

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

    @media (max-width: 768px) {
        :root {
            --space-section: var(--space-section-mobile);
        }

        .nav-capsule {
            top: 10px;
        }

        .nav-inner {
            padding: 6px 6px 6px 12px;
            border-radius: 20px;
        }

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

        .nav-logo .logo-icon {
            width: 30px;
            height: 30px;
            font-size: 15px;
            flex-basis: 30px;
        }

        .nav-toggle {
            display: flex;
            flex: 0 0 40px;
        }

        .nav-cta {
            display: none;
        }

        .nav-menu {
            position: absolute;
            top: calc(100% + 10px);
            left: 0;
            right: 0;
            background: #fff;
            border-radius: 16px;
            box-shadow: var(--shadow-nav);
            flex-direction: column;
            align-items: stretch;
            padding: 12px;
            display: none;
            pointer-events: auto;
            border: 1px solid var(--border);
        }

        .nav-menu.open {
            display: flex;
        }

        .nav-menu .nav-link {
            width: 100%;
            text-align: center;
            font-size: 16px;
            padding: 12px 16px;
        }

        .page-main {
            padding-top: 76px;
        }

        .article-header {
            padding: 40px 0 36px;
        }

        .article-h1 {
            font-size: 28px;
        }

        .article-body {
            padding: 40px 0 32px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.8;
        }

        .article-content h2 {
            font-size: 23px;
            margin-top: 40px;
        }

        .article-content h3 {
            font-size: 19px;
        }

        .related-posts {
            padding: 48px 0;
        }

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

        .related-title {
            font-size: 22px;
        }

        .article-back {
            padding: 40px 0 56px;
        }

        .site-footer {
            padding: 48px 0 24px;
        }

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

        .footer-bottom {
            flex-direction: column;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom a {
            margin: 0 8px;
        }
    }

    @media (max-width: 576px) {
        .breadcrumb-nav .current-title {
            max-width: 100%;
            white-space: normal;
        }

        .article-h1 {
            font-size: 24px;
        }

        .article-meta {
            gap: 10px;
        }

        .news-card h4 {
            font-size: 16px;
        }

        .article-content table {
            display: block;
            overflow-x: auto;
            white-space: nowrap;
        }
    }

/* roulang page: category1 */
:root {
            --primary: #0E6A4D;
            --primary-dark: #0A4F39;
            --primary-light: #EAF2EE;
            --accent: #F47D21;
            --accent-light: #FF8A36;
            --dark: #0F2A22;
            --bg: #F7F6F2;
            --card: #FFFFFF;
            --text: #1F2B26;
            --text-muted: #66766E;
            --border: #E2E8E3;
            --radius-card: 14px;
            --radius-panel: 18px;
            --radius-btn: 999px;
            --shadow-card: 0 8px 24px rgba(15, 42, 34, 0.06);
            --shadow-hover: 0 16px 32px rgba(15, 42, 34, 0.12);
            --shadow-nav: 0 10px 30px rgba(15, 42, 34, 0.10);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
            margin: 0;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
        }
        .container {
            max-width: 1200px;
        }
        h1,
        h2,
        h3,
        h4,
        h5 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
            word-break: break-word;
        }
        .section {
            padding: 96px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }
        .section-title {
            font-size: 34px;
            margin-bottom: 14px;
        }
        .section-sub {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 560px;
        }

        /* ===== 导航胶囊 ===== */
        .nav-capsule {
            position: sticky;
            top: 16px;
            z-index: 1080;
            padding: 0;
            pointer-events: none;
        }
        .nav-capsule .container {
            pointer-events: auto;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-radius: 999px;
            padding: 8px 12px 8px 20px;
            box-shadow: var(--shadow-nav);
            border: 1px solid rgba(255, 255, 255, 0.6);
            min-height: 60px;
        }
        @supports not (backdrop-filter: blur(14px)) {
            .nav-inner {
                background: rgba(255, 255, 255, 0.95);
            }
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: var(--text);
            white-space: nowrap;
        }
        .nav-logo:hover {
            color: var(--text);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: 16px;
            text-transform: lowercase;
            flex-shrink: 0;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: 12px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 18px;
            border-radius: 999px;
            transition: background 0.2s ease, color 0.2s ease;
            white-space: nowrap;
        }
        .nav-link:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
        }
        .nav-link.active:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 999px;
            transition: background 0.2s ease, transform 0.2s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            color: var(--text);
            align-items: center;
            justify-content: center;
        }
        .nav-toggle svg {
            width: 24px;
            height: 24px;
        }

        /* ===== Banner区 ===== */
        .page-banner {
            position: relative;
            background-color: var(--bg);
            background-image:
                linear-gradient(rgba(14, 106, 77, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(14, 106, 77, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            padding: 80px 0 72px;
            overflow: hidden;
        }
        .page-banner .breadcrumb-bar {
            margin-bottom: 28px;
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-muted);
        }
        .page-banner .breadcrumb-bar a {
            color: var(--primary);
        }
        .page-banner .breadcrumb-bar .sep {
            color: #b3bfb8;
            margin: 0 2px;
        }
        .page-banner h1 {
            font-size: 46px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
        .page-banner .banner-lead {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 480px;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .banner-img-wrap {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            min-height: 260px;
            background: #D9E2DC;
        }
        .banner-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .banner-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 按钮 ===== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
        }
        .btn-brand:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: var(--radius-btn);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 合作价值模块 ===== */
        .value-section {
            background: var(--card);
        }
        .value-img-wrap {
            border-radius: 18px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            min-height: 320px;
            background: #D9E2DC;
        }
        .value-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .value-content .value-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
        }
        .value-item:last-child {
            border-bottom: none;
        }
        .value-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            color: var(--primary);
            flex-shrink: 0;
        }
        .value-icon svg {
            width: 22px;
            height: 22px;
        }
        .value-item h4 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .value-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        /* ===== 合作方向模块 ===== */
        .direction-section {
            background: var(--bg);
            background-image:
                linear-gradient(rgba(14, 106, 77, 0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(14, 106, 77, 0.04) 1px, transparent 1px);
            background-size: 32px 32px;
        }
        .direction-item {
            display: flex;
            align-items: center;
            gap: 28px;
            padding: 28px 0;
            border-bottom: 1px solid var(--border);
            transition: margin-left 0.3s ease;
        }
        .direction-item:hover {
            margin-left: 8px;
        }
        .direction-item:last-child {
            border-bottom: none;
        }
        .direction-num {
            font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            font-size: 44px;
            font-weight: 700;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--primary);
            min-width: 78px;
            line-height: 1;
        }
        .direction-content h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 6px;
        }
        .direction-content p {
            color: var(--text-muted);
            font-size: 15px;
            margin: 0;
            max-width: 680px;
        }
        .direction-icon {
            margin-left: auto;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            flex-shrink: 0;
        }
        .direction-icon svg {
            width: 24px;
            height: 24px;
        }

        /* ===== 合作流程 ===== */
        .process-section {
            background: var(--card);
        }
        .process-steps {
            display: flex;
            gap: 20px;
            position: relative;
            margin-top: 42px;
        }
        .process-step {
            flex: 1;
            background: var(--bg);
            border-radius: var(--radius-card);
            padding: 26px 22px;
            border: 1px solid var(--border);
            position: relative;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .process-step:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }
        .process-step .step-num {
            font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            font-size: 38px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            display: block;
            margin-bottom: 14px;
        }
        .process-step .step-dot {
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            margin-bottom: 12px;
            box-shadow: 0 0 0 4px rgba(244, 125, 33, 0.2);
        }
        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }
        .process-connector {
            flex-shrink: 0;
            width: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .process-connector svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
            opacity: 0.35;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-wrap {
            background: var(--card);
            border-radius: 18px;
            padding: 32px;
            box-shadow: var(--shadow-card);
            margin-top: 40px;
        }
        .faq-questions {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-right: 24px;
        }
        .faq-question-btn {
            display: block;
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            border-radius: 10px;
            padding: 14px 16px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            transition: background 0.2s ease;
            border-left: 3px solid transparent;
        }
        .faq-question-btn:hover {
            background: var(--primary-light);
        }
        .faq-question-btn.active {
            background: var(--primary-light);
            border-left-color: var(--primary);
            color: var(--primary);
        }
        .faq-answer-wrap {
            background: var(--bg);
            border-radius: 14px;
            padding: 24px;
            min-height: 200px;
            display: flex;
            align-items: center;
        }
        .faq-answer {
            display: none;
            font-size: 15px;
            color: var(--text);
            line-height: 1.75;
        }
        .faq-answer.active {
            display: block;
        }
        .faq-answer .answer-label {
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            display: block;
            margin-bottom: 8px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            background-image: linear-gradient(rgba(244, 125, 33, 0.05) 1px, transparent 1px),
                linear-gradient(90deg, rgba(244, 125, 33, 0.05) 1px, transparent 1px);
            background-size: 40px 40px;
            color: #fff;
        }
        .cta-section .section-title {
            color: #fff;
        }
        .cta-section .section-sub {
            color: rgba(255, 255, 255, 0.7);
        }
        .cta-points {
            list-style: none;
            padding: 0;
            margin: 24px 0 0;
        }
        .cta-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 8px 0;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
        }
        .cta-points li svg {
            width: 20px;
            height: 20px;
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 4px;
        }
        .cta-form-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: 18px;
            padding: 32px;
            backdrop-filter: none;
        }
        .cta-form-card .form-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            font-weight: 500;
        }
        .cta-form-card .form-control,
        .cta-form-card .form-select {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            height: 44px;
            border-radius: 10px;
            padding: 10px 16px;
            font-size: 14px;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }
        .cta-form-card .form-control::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form-card .form-control:focus,
        .cta-form-card .form-select:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(244, 125, 33, 0.25);
            color: #fff;
        }
        .cta-form-card .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }
        .cta-form-card .form-select option {
            color: var(--text);
            background: var(--card);
        }
        .cta-form-card textarea.form-control {
            height: auto;
            min-height: 88px;
        }
        .btn-accent-submit {
            width: 100%;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 14px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: background 0.2s ease, transform 0.1s ease;
        }
        .btn-accent-submit:hover {
            background: var(--accent-light);
            color: #fff;
        }
        .btn-accent-submit:active {
            transform: scale(0.98);
        }
        .form-feedback {
            margin-top: 12px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            min-height: 20px;
            text-align: center;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
            font-size: 14px;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 3fr 2fr 2fr 3fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 18px;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-icon {
            background: var(--accent);
            color: #fff;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.7;
            max-width: 280px;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            padding: 5px 0;
            transition: color 0.2s ease;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-contact-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-contact-col p {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.65);
            margin: 8px 0;
        }
        .footer-contact-col p span {
            color: rgba(255, 255, 255, 0.4);
            min-width: 64px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            margin-left: 16px;
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .section {
                padding: 72px 0;
            }
            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .page-banner h1 {
                font-size: 38px;
            }
            .process-steps {
                flex-direction: column;
            }
            .process-connector {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .nav-inner {
                padding: 8px 12px;
                border-radius: 20px;
                flex-wrap: wrap;
            }
            .nav-menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 4px 4px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: inline-flex;
                margin-left: auto;
            }
            .nav-cta {
                display: none;
            }
            .nav-link {
                text-align: center;
                border-radius: 10px;
                padding: 12px 16px;
            }
            .section {
                padding: 64px 0;
            }
            .page-banner {
                padding: 56px 0 48px;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .banner-img-wrap {
                margin-top: 24px;
                min-height: 200px;
            }
            .direction-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .direction-icon {
                display: none;
            }
            .faq-wrap {
                padding: 20px;
            }
            .faq-questions {
                padding-right: 0;
                margin-bottom: 16px;
            }
            .cta-form-card {
                padding: 24px;
                margin-top: 24px;
            }
            .section-title {
                font-size: 28px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom a {
                margin: 0 8px;
            }
        }
        @media (max-width: 576px) {
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo .logo-icon {
                width: 32px;
                height: 32px;
            }
            .page-banner h1 {
                font-size: 28px;
            }
            .banner-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-brand,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .process-steps {
                gap: 14px;
            }
            .value-img-wrap {
                min-height: 220px;
            }
            .cta-form-card {
                padding: 20px;
            }
        }