/* roulang page: index */
:root {
            --primary: #0B5D4A;
            --primary-dark: #084C3D;
            --accent: #C99B3F;
            --accent-light: #D9B25F;
            --success: #1F7A5A;
            --warning: #D97B3B;
            --bg: #F6F5F1;
            --dark: #0A2B23;
            --text: #1F2A26;
            --text-light: #5A6B64;
            --text-lighter: #E8F0EC;
            --border: #E2E8E4;
            --radius-lg: 16px;
            --radius-sm: 12px;
            --radius-btn: 10px;
            --shadow: 0 4px 16px rgba(10, 43, 35, 0.06);
            --shadow-hover: 0 12px 32px rgba(10, 43, 35, 0.12);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "sans-serif";
            --font-num: "Inter", "Roboto", "Arial", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 48px 0;
            }
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-light);
            margin-bottom: 40px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 28px;
            }
        }

        /* ---------- 按钮 ---------- */
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all 0.25s ease;
            box-shadow: var(--shadow);
        }

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

        .btn-primary-custom:focus {
            outline: 3px solid rgba(11, 93, 74, 0.3);
            outline-offset: 2px;
        }

        .btn-accent-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--dark);
            font-size: 16px;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: var(--radius-btn);
            border: none;
            transition: all 0.25s ease;
            box-shadow: var(--shadow);
        }

        .btn-accent-custom:hover {
            background: var(--accent-light);
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .btn-accent-custom:focus {
            outline: 3px solid rgba(201, 155, 63, 0.4);
            outline-offset: 2px;
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: all 0.25s ease;
        }

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

        .btn-outline-custom:focus {
            outline: 3px solid rgba(255, 255, 255, 0.3);
            outline-offset: 2px;
        }

        .btn-outline-dark {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: 2px solid var(--primary);
            transition: all 0.25s ease;
        }

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

        .btn-outline-dark:focus {
            outline: 3px solid rgba(11, 93, 74, 0.25);
            outline-offset: 2px;
        }

        /* ---------- 顶部信息条 ---------- */
        .top-bar {
            background: var(--dark);
            color: var(--text-lighter);
            font-size: 13px;
            padding: 8px 0;
            letter-spacing: 1px;
        }

        .top-bar .container {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
        }

        .top-bar i {
            color: var(--accent);
            margin-right: 6px;
        }

        @media (max-width: 576px) {
            .top-bar {
                font-size: 12px;
            }
            .top-bar .container {
                gap: 12px;
                flex-wrap: wrap;
            }
        }

        /* ---------- 导航 ---------- */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(10, 43, 35, 0.04);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: nowrap;
            padding-top: 14px;
            padding-bottom: 14px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .nav-left {
            justify-content: flex-end;
        }

        .nav-right {
            justify-content: flex-start;
        }

        .nav-brand {
            font-family: var(--font-cn);
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            padding: 0 16px;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 2;
        }

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

        .nav-link-style {
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 14px;
            border-radius: 999px;
            transition: all 0.2s ease;
            position: relative;
        }

        .nav-link-style:hover {
            color: var(--primary);
            background: rgba(11, 93, 74, 0.06);
        }

        .nav-link-style.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(11, 93, 74, 0.1);
        }

        .nav-link-style.active::after {
            content: "";
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            bottom: 4px;
            width: 18px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 999px;
            transition: all 0.25s ease;
            box-shadow: var(--shadow);
            margin-left: 8px;
            border: none;
        }

        .btn-nav i {
            font-size: 13px;
        }

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

        .nav-toggle {
            display: none;
            font-size: 22px;
            color: var(--text);
            background: transparent;
            border: none;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background 0.2s;
            z-index: 3;
        }

        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        @media (max-width: 991px) {
            .main-nav .container {
                flex-wrap: wrap;
                padding-top: 10px;
                padding-bottom: 10px;
            }
            .nav-brand {
                order: 1;
                margin: 0 auto;
                font-size: 20px;
            }
            .nav-toggle {
                display: block;
                order: 2;
                position: absolute;
                right: 16px;
                top: 50%;
                transform: translateY(-50%);
            }
            .nav-left,
            .nav-right {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: center;
                order: 3;
                flex: none;
                padding: 12px 0 4px;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }
            .nav-left {
                justify-content: center;
            }
            .nav-right {
                justify-content: center;
            }
            .nav-link-style {
                width: 100%;
                text-align: center;
                font-size: 16px;
                padding: 10px 16px;
            }
            .nav-link-style.active::after {
                display: none;
            }
            .btn-nav {
                width: 100%;
                justify-content: center;
                margin-left: 0;
                margin-top: 6px;
                padding: 10px 16px;
            }
            .nav-open .nav-left,
            .nav-open .nav-right {
                display: flex;
            }
        }

        @media (max-width: 576px) {
            .nav-brand {
                font-size: 18px;
                padding: 0 8px;
            }
        }

        /* ---------- Hero ---------- */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            text-align: center;
            padding: 80px 0;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 43, 35, 0.9) 0%, rgba(10, 43, 35, 0.7) 50%, rgba(11, 93, 74, 0.75) 100%);
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(201, 155, 63, 0.15);
            border: 1px solid rgba(201, 155, 63, 0.5);
            color: var(--accent-light);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 18px;
            border-radius: 999px;
            letter-spacing: 2px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.35;
            letter-spacing: 1px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 20px;
            color: var(--accent-light);
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .hero-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

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

        @media (max-width: 768px) {
            .hero {
                min-height: 520px;
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .hero-desc {
                font-size: 15px;
                padding: 0 20px;
            }
            .hero-actions {
                gap: 12px;
                flex-direction: column;
                align-items: center;
            }
            .hero-actions .btn-primary-custom,
            .hero-actions .btn-outline-custom {
                min-width: 220px;
                justify-content: center;
            }
        }

        /* ---------- 信任徽条 ---------- */
        .trust-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 24px 0;
        }

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

        .trust-item {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            text-align: left;
        }

        .trust-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(11, 93, 74, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .trust-text {
            display: flex;
            flex-direction: column;
        }

        .trust-text strong {
            font-size: 15px;
            color: var(--text);
            font-weight: 600;
        }

        .trust-text span {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.4;
        }

        @media (max-width: 768px) {
            .trust-bar .container {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .trust-item {
                justify-content: flex-start;
            }
        }

        /* ---------- 权益对比 ---------- */
        .benefits-section {
            background: var(--bg);
        }

        .benefits-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 40px 32px;
            overflow-x: auto;
        }

        .benefits-wrap table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .benefits-wrap th,
        .benefits-wrap td {
            text-align: center;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
        }

        .benefits-wrap th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            letter-spacing: 1px;
        }

        .benefits-wrap th:first-child {
            border-radius: 12px 0 0 0;
        }

        .benefits-wrap th:last-child {
            border-radius: 0 12px 0 0;
        }

        .benefits-wrap td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text);
        }

        .benefits-wrap tr:last-child td {
            border-bottom: none;
        }

        .benefits-wrap .col-user {
            background: rgba(246, 245, 241, 0.6);
        }

        .benefits-wrap .col-vip {
            background: rgba(11, 93, 74, 0.04);
            border-left: 2px solid var(--accent);
            border-right: 2px solid var(--accent);
            position: relative;
        }

        .benefits-wrap .col-vip.header-vip {
            background: var(--primary);
            color: #fff;
            position: relative;
        }

        .benefits-wrap .vip-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--dark);
            font-size: 13px;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 999px;
            margin-left: 8px;
            vertical-align: middle;
        }

        .benefits-wrap .icon-yes {
            color: var(--success);
            font-size: 18px;
        }

        .benefits-wrap .icon-no {
            color: #999;
            font-size: 18px;
        }

        .benefits-note {
            margin-top: 20px;
            font-size: 13px;
            color: var(--text-light);
            text-align: right;
        }

        @media (max-width: 768px) {
            .benefits-wrap {
                padding: 24px 16px;
            }
            .benefits-wrap th,
            .benefits-wrap td {
                padding: 12px 14px;
                font-size: 14px;
            }
        }

        /* ---------- 等级亮点 ---------- */
        .levels-section {
            background: #fff;
        }

        .levels-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .level-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            position: relative;
            transition: all 0.3s ease;
            overflow: hidden;
        }

        .level-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .level-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }

        .level-card:hover::before {
            opacity: 1;
        }

        .level-num {
            font-family: var(--font-num);
            font-size: 48px;
            font-weight: 800;
            color: rgba(11, 93, 74, 0.12);
            line-height: 1;
            margin-bottom: 16px;
        }

        .level-card:nth-child(2) .level-num {
            color: rgba(201, 155, 63, 0.2);
        }

        .level-card:nth-child(3) .level-num {
            color: rgba(31, 122, 90, 0.15);
        }

        .level-card:nth-child(4) .level-num {
            color: rgba(217, 123, 59, 0.15);
        }

        .level-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }

        .level-card:nth-child(2) .level-icon {
            background: var(--accent);
            color: var(--dark);
        }

        .level-card:nth-child(3) .level-icon {
            background: var(--success);
        }

        .level-card:nth-child(4) .level-icon {
            background: var(--warning);
        }

        .level-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .level-desc {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .level-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(11, 93, 74, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
        }

        @media (max-width: 991px) {
            .levels-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .levels-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- 专属内容预览 ---------- */
        .content-section {
            background: var(--bg);
        }

        .content-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .content-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            position: relative;
        }

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

        .content-card-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

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

        .content-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 43, 35, 0.3), transparent);
        }

        .vip-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: linear-gradient(135deg, var(--accent), #e0b453);
            color: var(--dark);
            font-size: 12px;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 999px;
            z-index: 2;
            box-shadow: 0 4px 12px rgba(201, 155, 63, 0.4);
            letter-spacing: 1px;
        }

        .content-card-body {
            padding: 20px;
        }

        .content-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            line-height: 1.4;
            transition: color 0.2s;
        }

        .content-card-body h3:hover {
            color: var(--primary);
        }

        .content-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .content-card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        @media (max-width: 991px) {
            .content-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- FAQ ---------- */
        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.25s ease;
            position: relative;
        }

        .faq-item:has(.accordion-button:not(.collapsed)) {
            border-left: 3px solid var(--primary);
            box-shadow: var(--shadow);
        }

        .faq-item .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 20px 24px;
            background: #fff;
            border: none;
            box-shadow: none;
            transition: color 0.2s;
        }

        .faq-item .accordion-button:hover {
            color: var(--primary);
        }

        .faq-item .accordion-button:not(.collapsed) {
            color: var(--primary);
            box-shadow: none;
        }

        .faq-item .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            font-size: 14px;
            width: auto;
            height: auto;
            margin-left: auto;
            transition: transform 0.3s ease;
        }

        .faq-item .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-item .accordion-body {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            background: rgba(246, 245, 241, 0.5);
            border-radius: 0 0 12px 12px;
        }

        /* ---------- CTA横幅 ---------- */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
            padding-top: 64px;
            padding-bottom: 64px;
        }

        .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }

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

        .cta-pay {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-pay span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
        }

        @media (max-width: 768px) {
            .cta-title {
                font-size: 22px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: center;
            }
            .cta-actions .btn-accent-custom {
                min-width: 220px;
                justify-content: center;
            }
        }

        /* ---------- 资讯列表 ---------- */
        .news-section {
            background: var(--bg);
        }

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

        .news-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
        }

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

        .news-card-link {
            display: flex;
            flex-direction: column;
            height: 100%;
            color: inherit;
        }

        .news-card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .news-category {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(11, 93, 74, 0.08);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
            align-self: flex-start;
        }

        .news-card-body h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: color 0.2s;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card:hover .news-card-body h3 {
            color: var(--primary);
        }

        .news-card-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-date {
            font-size: 13px;
            color: #999;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .empty-state {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
        }

        .empty-state i {
            font-size: 48px;
            color: var(--border);
            margin-bottom: 16px;
            display: block;
        }

        .empty-state p {
            font-size: 15px;
        }

        @media (max-width: 991px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 576px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ---------- 页脚 ---------- */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 60px;
        }

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

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            display: block;
            letter-spacing: 0.5px;
        }

        .footer-brand:hover {
            color: var(--accent-light);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color 0.2s, padding-left 0.2s;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 12px;
            color: rgba(255, 255, 255, 0.7);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                font-size: 12px;
                line-height: 1.6;
            }
        }

        /* ---------- 滚动 / 焦点辅助 ---------- */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(11, 93, 74, 0.4);
            outline-offset: 2px;
        }

        ::selection {
            background: rgba(11, 93, 74, 0.15);
        }

        /* ---------- 通用 ---------- */
        .text-primary-brand {
            color: var(--primary);
        }

        .bg-light-brand {
            background: var(--bg);
        }

        .mb-2em {
            margin-bottom: 1.2em;
        }

/* roulang page: article */
:root {
            --primary: #0B5D4A;
            --primary-dark: #084C3D;
            --accent: #C99B3F;
            --accent-light: #DDB45E;
            --success: #1F7A5A;
            --warning: #D97B3B;
            --bg: #F6F5F1;
            --dark: #0A2B23;
            --text: #1F2A26;
            --text-muted: #5A6B64;
            --text-light: #E8F0EC;
            --border: #E2E8E4;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow: 0 4px 16px rgba(10, 43, 35, 0.06);
            --shadow-hover: 0 12px 32px rgba(10, 43, 35, 0.12);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-en: "Inter", "Roboto", Arial, sans-serif;
            --spacer: 80px;
            --spacer-mobile: 48px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
        }

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

        a:hover {
            color: var(--primary-dark);
        }

        button,
        input,
        textarea {
            font-family: var(--font-cn);
        }

        .container {
            max-width: 1140px;
            margin-left: auto;
            margin-right: auto;
        }

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

        @media (max-width: 768px) {
            .section {
                padding: var(--spacer-mobile) 0;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: background 0.25s ease, color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
            outline: none;
        }

        .btn:focus-visible {
            box-shadow: 0 0 0 3px rgba(11, 93, 74, 0.25);
        }

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

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

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

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

        .btn-gold {
            background: var(--accent);
            color: #fff;
            border: none;
        }

        .btn-gold:hover {
            background: var(--accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 13px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(11, 93, 74, 0.08);
            color: var(--primary);
        }

        body::before {
            content: '';
            display: block;
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            width: 0;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            z-index: 2000;
            transition: width 0.1s linear;
        }

        body.scrolling::before {
            width: var(--scroll-progress, 0%);
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: #fff;
            box-shadow: 0 1px 0 var(--border), 0 2px 12px rgba(10, 43, 35, 0.04);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            padding-bottom: 14px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-left {
            position: relative;
            z-index: 2;
        }

        .nav-right {
            position: relative;
            z-index: 2;
        }

        .nav-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: color 0.25s ease;
        }

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

        .nav-link-style {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            transition: color 0.25s ease, background 0.25s ease;
        }

        .nav-link-style:hover {
            color: var(--primary);
            background: rgba(11, 93, 74, 0.06);
        }

        .nav-link-style.active {
            color: var(--primary);
            background: rgba(11, 93, 74, 0.08);
            font-weight: 600;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
            border: none;
        }

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

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            z-index: 5;
            transition: background 0.2s ease;
        }

        .nav-toggle:hover {
            background: rgba(11, 93, 74, 0.06);
        }

        @media (max-width: 991px) {
            .main-nav .container {
                flex-wrap: wrap;
                padding-top: 10px;
                padding-bottom: 10px;
            }

            .nav-brand {
                order: 1;
                margin: 0 auto;
                position: absolute;
                left: 50%;
                transform: translateX(-50%);
                font-size: 20px;
            }

            .nav-left,
            .nav-right {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding-top: 12px;
                border-top: 1px solid var(--border);
                background: #fff;
            }

            .nav-open .nav-left,
            .nav-open .nav-right {
                display: flex;
            }

            .nav-link-style,
            .btn-nav {
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .btn-nav {
                justify-content: center;
            }

            .nav-toggle {
                display: block;
                order: 2;
                margin-left: auto;
            }

            .nav-right {
                order: 3;
            }
        }

        /* ========== Article Hero ========== */
        .article-hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 0 72px;
            color: #fff;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 43, 35, 0.82), rgba(10, 43, 35, 0.72));
            border-radius: 0;
        }

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

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.2s ease;
        }

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

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

        .article-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent-light);
            background: rgba(201, 155, 63, 0.15);
            border: 1px solid rgba(201, 155, 63, 0.4);
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .article-hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            margin: 0 0 20px;
            max-width: 860px;
            color: #fff;
            letter-spacing: 0.3px;
        }

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

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

        .article-meta i {
            color: var(--accent-light);
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 56px 0 48px;
            }

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

            .article-meta {
                gap: 12px;
                font-size: 13px;
            }
        }

        /* ========== Article Body ========== */
        .article-body-section {
            padding: 60px 0 20px;
        }

        .article-layout {
            max-width: 780px;
            margin: 0 auto;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px 56px;
        }

        .article-body .article-content {
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
        }

        .article-content h2 {
            font-size: 26px;
            font-weight: 700;
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--primary);
            line-height: 1.4;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
        }

        .article-content h3 {
            font-size: 21px;
            font-weight: 600;
            margin-top: 1.6em;
            margin-bottom: 0.7em;
            color: var(--text);
            line-height: 1.4;
        }

        .article-content p {
            margin-bottom: 1.2em;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

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

        .article-content ul,
        .article-content ol {
            margin: 1.2em 0;
            padding-left: 1.6em;
        }

        .article-content ul li,
        .article-content ol li {
            margin-bottom: 0.5em;
        }

        .article-content blockquote {
            background: #F0F7F4;
            border-left: 4px solid var(--primary);
            padding: 18px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 1.5em 0;
            color: var(--text-muted);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            margin: 1.2em 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5em 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .article-content th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            font-weight: 600;
        }

        .article-content td {
            padding: 10px 16px;
            border-top: 1px solid var(--border);
        }

        .article-content tr:nth-child(even) td {
            background: #F9FAF8;
        }

        .article-content pre {
            background: var(--dark);
            color: var(--text-light);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-family: var(--font-en);
            font-size: 14px;
            margin: 1.5em 0;
        }

        .article-content code {
            font-family: var(--font-en);
            font-size: 0.9em;
            background: #F0F7F4;
            padding: 2px 6px;
            border-radius: 4px;
        }

        .article-content pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }

        @media (max-width: 768px) {
            .article-body-section {
                padding: 36px 0 12px;
            }

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

            .article-content {
                font-size: 15px;
            }

            .article-content h2 {
                font-size: 22px;
            }
        }

        /* ========== Article Actions ========== */
        .article-actions {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid var(--border);
        }

        .article-actions .btn {
            padding: 10px 22px;
            font-size: 14px;
        }

        .article-tags {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .article-tags .badge-pill {
            background: rgba(11, 93, 74, 0.06);
            color: var(--text-muted);
            font-size: 12px;
        }

        @media (max-width: 600px) {
            .article-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .article-actions .btn {
                width: 100%;
            }
        }

        /* ========== Not Found ========== */
        .article-not-found {
            text-align: center;
            padding: 60px 24px;
        }

        .article-not-found i {
            font-size: 56px;
            color: var(--border);
            margin-bottom: 18px;
        }

        .article-not-found h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .article-not-found p {
            color: var(--text-muted);
            font-size: 15px;
            margin-bottom: 24px;
        }

        .article-not-found .btn {
            min-width: 160px;
        }

        /* ========== Related Section ========== */
        .related-section {
            padding: 70px 0 40px;
        }

        .related-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 28px;
        }

        .related-header h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0;
            color: var(--text);
        }

        .related-header .subtitle {
            color: var(--text-muted);
            font-size: 14px;
        }

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

        .related-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            display: block;
            color: var(--text);
        }

        .related-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(11, 93, 74, 0.2);
            color: var(--text);
        }

        .related-card .cover-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--dark);
            border-radius: 0;
        }

        .related-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .related-card:hover .cover-wrap img {
            transform: scale(1.04);
        }

        .related-card .vip-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(10, 43, 35, 0.75);
            backdrop-filter: blur(6px);
            color: var(--accent-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(201, 155, 63, 0.4);
            letter-spacing: 0.5px;
        }

        .related-card .card-body {
            padding: 18px 20px 20px;
        }

        .related-card .card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

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

        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-muted);
        }

        .related-card .card-meta i {
            color: var(--accent);
        }

        @media (max-width: 991px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .related-grid {
                grid-template-columns: 1fr;
            }

            .related-header {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* ========== CTA Banner ========== */
        .cta-section {
            padding: 70px 0;
        }

        .cta-banner {
            background: var(--dark);
            border-radius: var(--radius-lg);
            padding: 56px 60px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .cta-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.18;
        }

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

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 30px;
        }

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

        .cta-actions .btn-gold {
            font-size: 16px;
            padding: 14px 36px;
        }

        .cta-actions .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

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

        .cta-note {
            margin-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .cta-note span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .cta-note i {
            color: var(--accent);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }

            .cta-banner {
                padding: 40px 24px;
            }

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

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

        /* ========== Footer ========== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding-top: 60px;
            font-family: var(--font-cn);
        }

        .site-footer .container {
            max-width: 1140px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-brand:hover {
            color: var(--accent-light);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }

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

        .footer-bottom {
            padding: 18px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

        @media (max-width: 991px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-desc {
                max-width: 100%;
            }
        }

        /* ========== Reading Progress ========== */
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            width: 0;
            z-index: 1100;
            transition: width 0.1s linear;
            border-radius: 0 3px 3px 0;
        }

/* roulang page: category1 */
/* ============================================================ */
        /* 设计变量                                                    */
        /* ============================================================ */
        :root {
            --primary: #0B5D4A;
            --primary-dark: #084C3D;
            --gold: #C99B3F;
            --gold-light: #D9B25C;
            --success: #1F7A5A;
            --warning: #D97B3B;
            --bg: #F6F5F1;
            --dark-bg: #0A2B23;
            --text: #1F2A26;
            --text-secondary: #5A6B64;
            --text-light: #E8F0EC;
            --border: #E2E8E4;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(10, 43, 35, 0.06);
            --shadow-lg: 0 12px 32px rgba(10, 43, 35, 0.12);
            --font-main: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --font-num: 'Inter', 'Roboto', Arial, sans-serif;
            --transition: all 0.25s ease;
        }

        /* ============================================================ */
        /* Reset & Base                                                */
        /* ============================================================ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg);
            color: var(--text);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            max-width: 1140px;
        }

        /* ============================================================ */
        /* 导航                                                        */
        /* ============================================================ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #ffffff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(10, 43, 35, 0.04);
        }

        .main-nav {
            width: 100%;
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding-top: 14px;
            padding-bottom: 14px;
            position: relative;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-left {
            flex: 1;
        }

        .nav-right {
            flex: 1;
            justify-content: flex-end;
            gap: 12px;
        }

        .nav-brand {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            font-family: var(--font-num);
            transition: color 0.2s ease;
        }

        .nav-brand:hover {
            color: var(--gold);
        }

        .nav-link-style {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: var(--radius-pill);
            transition: var(--transition);
            position: relative;
        }

        .nav-link-style:hover {
            color: var(--primary);
            background-color: rgba(11, 93, 74, 0.06);
        }

        .nav-link-style.active {
            color: var(--primary);
            background-color: rgba(11, 93, 74, 0.08);
            font-weight: 600;
        }

        .nav-link-style.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background-color: var(--primary);
            border-radius: var(--radius-pill);
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            background-color: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .btn-nav:hover {
            background-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 93, 74, 0.2);
        }

        .btn-nav i {
            font-size: 13px;
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background-color: var(--bg);
            color: var(--text);
            border-radius: var(--radius-sm);
            font-size: 18px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background-color: rgba(11, 93, 74, 0.1);
            color: var(--primary);
        }

        /* ============================================================ */
        /* 页面 Hero                                                    */
        /* ============================================================ */
        .page-hero {
            background:
                linear-gradient(135deg, rgba(10, 43, 35, 0.92) 0%, rgba(10, 43, 35, 0.65) 50%, rgba(10, 43, 35, 0.85) 100%),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 100px 0 90px;
            text-align: center;
            color: #fff;
            position: relative;
        }

        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            color: var(--text-light);
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
            letter-spacing: 1px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

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

        .btn-brand-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            box-shadow: 0 6px 20px rgba(201, 155, 63, 0.3);
            transition: var(--transition);
            border: none;
        }

        .btn-brand-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 155, 63, 0.4);
            color: #fff;
            filter: brightness(1.05);
        }

        .btn-brand-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 15px;
            font-weight: 500;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

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

        /* ============================================================ */
        /* 通用板块                                                    */
        /* ============================================================ */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background-color: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 50px;
        }

        .section-tag {
            display: inline-block;
            background-color: rgba(11, 93, 74, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head p {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.75;
        }

        /* ============================================================ */
        /* 会员等级卡片信息流                                          */
        /* ============================================================ */
        .card-tier {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            position: relative;
        }

        .card-tier:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(11, 93, 74, 0.25);
        }

        .card-tier:hover::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--gold));
            z-index: 2;
        }

        .tier-img {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }

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

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

        .badge-tier {
            position: absolute;
            top: 14px;
            right: 14px;
            background-color: rgba(10, 43, 35, 0.75);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.2);
            letter-spacing: 0.5px;
        }

        .badge-tier.hot {
            background-color: rgba(217, 123, 59, 0.85);
        }

        .tier-body {
            padding: 28px;
        }

        .tier-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .tier-desc {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            min-height: 78px;
        }

        .tier-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .badge-tag {
            display: inline-block;
            background-color: var(--bg);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            transition: var(--transition);
        }

        .badge-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        /* ============================================================ */
        /* 权益亮点                                                    */
        /* ============================================================ */
        .highlight-item {
            background-color: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .highlight-icon {
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, #157a63 100%);
            color: #fff;
            font-size: 22px;
            border-radius: var(--radius-md);
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(11, 93, 74, 0.2);
        }

        .highlight-item h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .highlight-item p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ============================================================ */
        /* 对比表                                                      */
        /* ============================================================ */
        .compare-wrap {
            background-color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            min-width: 700px;
            border-collapse: separate;
            border-spacing: 0;
        }

        .compare-table thead th {
            background-color: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 16px 20px;
            text-align: center;
            border: none;
        }

        .compare-table thead th:first-child {
            border-top-left-radius: var(--radius-md);
        }

        .compare-table thead th:last-child {
            border-top-right-radius: var(--radius-md);
        }

        .compare-table tbody td {
            padding: 14px 20px;
            text-align: center;
            font-size: 14px;
            color: var(--text);
            border-bottom: 1px solid var(--border);
            background-color: #fff;
        }

        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table .col-highlight {
            background-color: rgba(201, 155, 63, 0.04);
            border-left: 2px solid var(--gold);
            border-right: 2px solid var(--gold);
            position: relative;
        }

        .compare-table .col-highlight.recommend-th {
            background-color: var(--gold);
            color: #fff;
        }

        .compare-table .icon-yes {
            color: var(--success);
            font-size: 16px;
        }

        .compare-table .icon-no {
            color: #ccc;
            font-size: 16px;
        }

        .compare-table .text-num {
            font-family: var(--font-num);
            font-weight: 600;
        }

        .compare-note {
            font-size: 13px;
            color: var(--text-secondary);
            margin-top: 16px;
            padding-left: 4px;
        }

        /* ============================================================ */
        /* 内容章节服务                                                */
        /* ============================================================ */
        .service-block {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .service-media {
            min-height: 320px;
            background: url('/assets/images/coverpic/cover-4.png') center center / cover no-repeat;
            position: relative;
        }

        .service-media .media-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background-color: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .service-content {
            padding: 40px;
        }

        .service-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .service-content p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

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

        .chapter-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            color: var(--text);
        }

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

        .chapter-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background-color: rgba(11, 93, 74, 0.08);
            color: var(--primary);
            border-radius: 8px;
            font-size: 12px;
            font-weight: 700;
            font-family: var(--font-num);
            flex-shrink: 0;
        }

        .chapter-updated {
            margin-left: auto;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .chapter-status {
            display: inline-block;
            background-color: rgba(31, 122, 90, 0.1);
            color: var(--success);
            font-size: 12px;
            font-weight: 500;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
            margin-left: 8px;
        }

        /* ============================================================ */
        /* FAQ                                                         */
        /* ============================================================ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
            background-color: #fff;
            transition: var(--transition);
            position: relative;
        }

        .faq-accordion .accordion-item:not(:first-of-type) {
            border-top: 1px solid var(--border);
        }

        .faq-accordion .accordion-item:last-of-type {
            border-radius: var(--radius-md);
        }

        .faq-accordion .accordion-button {
            background-color: #fff;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
            position: relative;
            transition: color 0.2s ease;
        }

        .faq-accordion .accordion-button::after {
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\f067';
            background-image: none;
            width: auto;
            height: auto;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            content: '\f068';
            transform: rotate(0deg);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            background-color: #fff;
            color: var(--primary);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(11, 93, 74, 0.2);
            outline-offset: -2px;
        }

        .faq-accordion .accordion-body {
            background-color: var(--bg);
            padding: 20px 24px 24px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            border-top: 1px solid var(--border);
        }

        /* ============================================================ */
        /* CTA 横幅                                                     */
        /* ============================================================ */
        .cta-banner {
            background:
                linear-gradient(120deg, rgba(10, 43, 35, 0.95) 0%, rgba(11, 93, 74, 0.9) 100%),
                url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 80px 0;
            text-align: center;
            color: #fff;
        }

        .cta-banner h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-banner p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .cta-methods {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 20px;
        }

        .cta-method {
            display: inline-block;
            background-color: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 4px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
        }

        /* ============================================================ */
        /* 页脚                                                        */
        /* ============================================================ */
        .site-footer {
            background-color: var(--dark-bg);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 64px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 14px;
            font-family: var(--font-num);
        }

        .footer-brand:hover {
            color: var(--gold-light);
        }

        .footer-desc {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background-color: var(--gold);
            border-radius: 2px;
        }

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

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--gold-light);
            padding-left: 6px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 12px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
        }

        .footer-bottom .container p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
            text-align: center;
        }

        /* ============================================================ */
        /* 响应式                                                      */
        /* ============================================================ */
        @media (max-width: 992px) {
            .main-nav .container {
                flex-wrap: wrap;
            }

            .nav-left,
            .nav-right {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                background-color: #fff;
                padding: 16px;
                border-radius: var(--radius-md);
                box-shadow: 0 8px 24px rgba(10, 43, 35, 0.08);
                margin-top: 8px;
            }

            .nav-right {
                gap: 4px;
            }

            .nav-left {
                order: 2;
            }

            .nav-right {
                order: 3;
            }

            .nav-brand {
                order: 1;
                margin-right: auto;
            }

            .nav-toggle {
                display: inline-flex;
                order: 1;
                margin-left: auto;
            }

            .main-nav.nav-expanded .nav-left,
            .main-nav.nav-expanded .nav-right {
                display: flex;
            }

            .nav-link-style {
                width: 100%;
                border-radius: var(--radius-sm);
            }

            .nav-link-style.active::after {
                display: none;
            }

            .btn-nav {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }

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

            .service-media {
                min-height: 240px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .page-hero {
                padding: 70px 0 60px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

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

            .tier-desc {
                min-height: 0;
            }

            .compare-wrap {
                padding: 12px;
            }
        }

        @media (max-width: 576px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn-brand-gold,
            .hero-actions .btn-brand-outline-light {
                width: 100%;
                justify-content: center;
            }

            .page-hero h1 {
                font-size: 24px;
                line-height: 1.35;
            }

            .service-content {
                padding: 24px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B5D4A;
            --primary-dark: #084C3D;
            --gold: #C99B3F;
            --gold-light: #D9AE5C;
            --success: #1F7A5A;
            --warning: #D97B3B;
            --bg: #F6F5F1;
            --dark-green: #0A2B23;
            --text: #1F2A26;
            --text-secondary: #5A6B64;
            --text-light: #E8F0EC;
            --border: #E2E8E4;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(10, 43, 35, 0.06);
            --shadow-lg: 0 12px 32px rgba(10, 43, 35, 0.12);
            --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "Roboto", Arial, sans-serif;
            --space-section: 80px;
            --space-section-mobile: 48px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-cn);
            color: var(--text);
            background: var(--bg);
            line-height: 1.75;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin: 0 0 .5em;
        }

        p {
            margin: 0 0 1.2em;
        }

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

        @media (min-width: 1200px) {
            .container {
                max-width: 1140px;
            }
        }

        /* ========== 导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            position: relative;
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 22px;
            flex: 1;
            min-width: 0;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .nav-brand {
            font-family: var(--font-cn);
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: .5px;
            white-space: nowrap;
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            transition: color .2s ease;
        }

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

        .nav-link-style {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            padding: 6px 4px;
            position: relative;
            white-space: nowrap;
            transition: color .2s ease;
        }

        .nav-link-style::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 0;
            transform: translateX(-50%) scaleX(0);
            transform-origin: center;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: transform .25s ease;
        }

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

        .nav-link-style:hover::after,
        .nav-link-style.active::after {
            transform: translateX(-50%) scaleX(1);
        }

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

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s ease;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(11, 93, 74, .28);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--primary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background .2s ease;
            position: absolute;
            right: 4px;
            top: 50%;
            transform: translateY(-50%);
        }

        .nav-toggle:hover {
            background: rgba(11, 93, 74, .08);
        }

        /* ========== 按钮 ========== */
        .btn-main {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .3px;
            transition: all .25s ease;
            cursor: pointer;
        }

        .btn-main:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(11, 93, 74, .3);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gold);
            color: #fff;
            border: none;
            padding: 12px 30px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            letter-spacing: .3px;
            transition: all .25s ease;
            cursor: pointer;
        }

        .btn-gold:hover {
            background: var(--gold-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 155, 63, .38);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            padding: 10px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(11, 93, 74, .2);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, .75);
            padding: 10px 30px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            transition: all .25s ease;
            cursor: pointer;
        }

        .btn-outline-light:hover {
            background: #fff;
            color: var(--dark-green);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .15);
        }

        /* ========== 页面头图 ========== */
        .page-hero {
            position: relative;
            padding: 108px 0;
            background-size: cover;
            background-position: center;
            color: #fff;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 43, 35, .92), rgba(10, 43, 35, .68));
        }

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

        .breadcrumb-wrap {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .breadcrumb-wrap a {
            color: rgba(255, 255, 255, .75);
            transition: color .2s ease;
        }

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

        .breadcrumb-wrap i {
            font-size: 10px;
            opacity: .7;
        }

        .page-hero h1 {
            color: #fff;
            font-size: 42px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: .5px;
            max-width: 760px;
            line-height: 1.3;
        }

        .hero-sub {
            color: rgba(255, 255, 255, .82);
            font-size: 17px;
            line-height: 1.8;
            max-width: 650px;
            margin-bottom: 34px;
        }

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

        /* ========== 通用板块 ========== */
        .section {
            padding: var(--space-section) 0;
        }

        .bg-white {
            background: #fff;
        }

        .section-head {
            max-width: 720px;
            margin: 0 auto 52px;
            text-align: center;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: .4px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 16px;
            line-height: 1.75;
            margin: 0;
        }

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

        .section-head.light p {
            color: rgba(255, 255, 255, .75);
        }

        /* ========== 核心能力卡 ========== */
        .feature-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px 30px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: all .3s ease;
        }

        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            opacity: 0;
            transition: opacity .3s ease;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-card:hover::before {
            opacity: 1;
        }

        .icon-wrap {
            width: 56px;
            height: 56px;
            background: rgba(11, 93, 74, .1);
            color: var(--primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 22px;
            transition: all .3s ease;
        }

        .feature-card:hover .icon-wrap {
            background: var(--primary);
            color: #fff;
        }

        .feature-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
            margin: 0;
        }

        /* ========== 服务信息流卡片 ========== */
        .service-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: transparent;
        }

        .service-card-img {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .service-card:hover .service-card-img img {
            transform: scale(1.05);
        }

        .service-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(10, 43, 35, .78);
            color: #fff;
            font-size: 12px;
            font-weight: 500;
            padding: 4px 14px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
            letter-spacing: .5px;
        }

        .service-card-body {
            padding: 26px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .service-card-body h3 {
            font-size: 19px;
            margin-bottom: 10px;
            transition: color .2s ease;
        }

        .service-card-body p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 18px;
            flex: 1;
        }

        .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: color .2s ease;
        }

        .card-link i {
            transition: transform .2s ease;
            display: inline-block;
            font-size: 12px;
        }

        .card-link:hover {
            color: var(--primary-dark);
        }

        .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== 深色保障区 ========== */
        .feature-dark {
            background: var(--dark-green);
            color: #fff;
            padding: var(--space-section) 0;
            position: relative;
            overflow: hidden;
        }

        .feature-dark::before {
            content: "";
            position: absolute;
            top: -60%;
            right: -15%;
            width: 520px;
            height: 520px;
            background: radial-gradient(circle, rgba(201, 155, 63, .18), transparent 62%);
            pointer-events: none;
        }

        .dark-item {
            text-align: center;
            padding: 20px 14px;
            position: relative;
            z-index: 2;
            border: 1px solid rgba(255, 255, 255, .06);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, .02);
            height: 100%;
            transition: all .3s ease;
        }

        .dark-item:hover {
            background: rgba(255, 255, 255, .05);
            transform: translateY(-4px);
        }

        .dark-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 16px;
            background: rgba(201, 155, 63, .12);
            color: var(--gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            border: 1px solid rgba(201, 155, 63, .3);
        }

        .dark-item h3 {
            color: #fff;
            font-size: 19px;
            margin-bottom: 10px;
        }

        .dark-item p {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .dark-num {
            font-family: var(--font-num);
            font-size: 34px;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        /* ========== 流程 ========== */
        .flow-section {
            background: #fff;
            padding: var(--space-section) 0;
        }

        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
            position: relative;
        }

        .flow-step {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 22px 26px;
            text-align: center;
            position: relative;
            transition: all .3s ease;
        }

        .flow-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .flow-num {
            width: 46px;
            height: 46px;
            background: var(--primary);
            color: #fff;
            font-family: var(--font-num);
            font-size: 20px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 6px 16px rgba(11, 93, 74, .25);
        }

        .flow-step h3 {
            font-size: 18px;
            margin-bottom: 8px;
        }

        .flow-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: var(--space-section) 0;
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: none !important;
            background: #fff;
        }

        .accordion-button {
            box-shadow: none !important;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            padding: 18px 22px;
            border: none;
            transition: color .25s ease;
        }

        .accordion-button:hover {
            color: var(--primary);
        }

        .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #fff;
            border-left: 3px solid var(--primary);
        }

        .accordion-button::after {
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            background-image: none;
            width: auto;
            height: auto;
            color: var(--primary);
            font-size: 14px;
            transition: transform .2s ease;
        }

        .accordion-button:not(.collapsed)::after {
            content: "\f068";
            background-image: none;
        }

        .accordion-body {
            background: var(--bg);
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            padding: 18px 22px 22px;
            border-top: 1px solid var(--border);
        }

        /* ========== CTA ========== */
        .cta-banner {
            position: relative;
            background: linear-gradient(135deg, var(--dark-green), #0E3D33);
            color: #fff;
            padding: var(--space-section) 0;
            text-align: center;
            overflow: hidden;
        }

        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -40%;
            left: 50%;
            transform: translateX(-50%);
            width: 720px;
            height: 320px;
            background: radial-gradient(ellipse, rgba(201, 155, 63, .2), transparent 70%);
            pointer-events: none;
        }

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

        .cta-banner h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-banner p {
            color: rgba(255, 255, 255, .75);
            font-size: 17px;
            max-width: 640px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }

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

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--dark-green);
            color: rgba(255, 255, 255, .75);
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            letter-spacing: .5px;
            transition: color .2s ease;
        }

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

        .footer-desc {
            font-size: 14px;
            margin-top: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .58);
            max-width: 340px;
        }

        .footer-title {
            font-size: 16px;
            color: #fff;
            margin-bottom: 18px;
            font-weight: 600;
            letter-spacing: .4px;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
            transition: color .2s ease;
        }

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

        .footer-contact li {
            font-size: 13px;
            color: rgba(255, 255, 255, .58);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .footer-contact i {
            color: var(--gold);
            margin-top: 4px;
            width: 14px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .42);
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991px) {
            .section {
                padding: 60px 0;
            }

            .feature-dark {
                padding: 60px 0;
            }

            .cta-banner {
                padding: 60px 0;
            }

            .nav-left,
            .nav-right {
                display: none;
                width: 100%;
                flex: 0 0 100%;
                flex-direction: column;
                align-items: center;
                padding: 16px 0 6px;
                gap: 14px;
                border-top: 1px solid var(--border);
            }

            .site-header.nav-open .nav-left,
            .site-header.nav-open .nav-right {
                display: flex;
            }

            .nav-brand {
                position: static;
                transform: none;
                margin: 0 auto;
            }

            .nav-toggle {
                display: block;
            }

            .main-nav .container {
                padding-top: 12px;
                padding-bottom: 12px;
                justify-content: center;
            }

            .nav-right {
                padding-bottom: 16px;
            }

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

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }

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

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

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

        @media (max-width: 767px) {
            .section {
                padding: var(--space-section-mobile) 0;
            }

            .feature-dark {
                padding: var(--space-section-mobile) 0;
            }

            .cta-banner {
                padding: var(--space-section-mobile) 0;
            }

            .page-hero {
                padding: 72px 0;
            }

            .page-hero h1 {
                font-size: 28px;
                line-height: 1.35;
            }

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

            .section-head {
                margin-bottom: 36px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .section-head p {
                font-size: 15px;
            }

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

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

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }

            .cta-actions {
                flex-direction: column;
                gap: 12px;
            }

            .cta-banner h2 {
                font-size: 26px;
            }

            .cta-banner p {
                font-size: 15px;
            }

            .btn-main,
            .btn-gold,
            .btn-outline,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }

            .footer-brand {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .main-nav .container {
                gap: 8px;
            }

            .nav-brand {
                font-size: 18px;
            }

            .nav-link-style {
                font-size: 15px;
            }

            .page-hero h1 {
                font-size: 24px;
            }

            .service-card-body h3 {
                font-size: 17px;
            }

            .service-tag {
                font-size: 11px;
                padding: 3px 10px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0B5D4A;
            --primary-dark: #084C3D;
            --gold: #C99B3F;
            --gold-light: #E0B45B;
            --success: #1F7A5A;
            --warning: #D97B3B;
            --bg: #F6F5F1;
            --dark: #0A2B23;
            --text: #1F2A26;
            --text-sub: #5A6B64;
            --text-light: #E8F0EC;
            --border: #E2E8E4;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 10px;
            --radius-pill: 999px;
            --shadow-sm: 0 4px 16px rgba(10, 43, 35, 0.06);
            --shadow-lg: 0 12px 32px rgba(10, 43, 35, 0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --font-num: "Inter", "Roboto", "Arial", sans-serif;
        }

        html {
            scroll-behavior: smooth;
        }

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

        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--primary-dark);
        }

        button {
            border: none;
            background: none;
            cursor: pointer;
        }

        .container {
            max-width: 1140px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            max-width: 880px;
        }

        .section {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(11, 93, 74, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 6px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-sub);
            font-size: 16px;
            margin: 0;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-sans);
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            transition: all .25s ease;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-gold {
            background: var(--gold);
            border-color: var(--gold);
            color: #fff;
            box-shadow: 0 6px 18px rgba(201, 155, 63, 0.25);
        }

        .btn-gold:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(201, 155, 63, 0.32);
        }

        .btn-primary-custom {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(11, 93, 74, 0.2);
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(11, 93, 74, 0.28);
        }

        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

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

        .btn-outline-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.75);
            color: #fff;
        }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 10px rgba(10, 43, 35, 0.04);
        }

        .main-nav {
            width: 100%;
        }

        .main-nav .container {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            align-items: center;
            min-height: 72px;
            gap: 16px;
            position: relative;
        }

        .nav-left {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-self: start;
        }

        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            justify-self: end;
        }

        .nav-brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1.2;
            transition: color .2s ease;
        }

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

        .nav-link-style {
            display: inline-block;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            transition: all .2s ease;
            line-height: 1.4;
        }

        .nav-link-style:hover {
            color: var(--primary);
            background: rgba(11, 93, 74, 0.06);
        }

        .nav-link-style.active {
            color: var(--primary);
            background: rgba(11, 93, 74, 0.08);
            font-weight: 600;
        }

        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: var(--radius-sm);
            transition: all .25s ease;
            box-shadow: 0 4px 12px rgba(11, 93, 74, 0.18);
        }

        .btn-nav i {
            font-size: 13px;
        }

        .btn-nav:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 8px 20px rgba(11, 93, 74, 0.24);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: all .2s ease;
            grid-column: 3;
            justify-self: end;
        }

        .nav-toggle:hover {
            background: rgba(11, 93, 74, 0.1);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            padding: 140px 0 88px;
            color: #fff;
            overflow: hidden;
            background: var(--dark);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 43, 35, 0.88) 0%, rgba(10, 43, 35, 0.62) 55%, rgba(11, 93, 74, 0.4) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 820px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(232, 240, 236, 0.7);
            margin-bottom: 28px;
        }

        .breadcrumb-nav a {
            color: rgba(232, 240, 236, 0.85);
            transition: color .2s ease;
        }

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

        .hero-eyebrow {
            display: inline-block;
            background: rgba(201, 155, 63, 0.18);
            border: 1px solid rgba(201, 155, 63, 0.3);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
        }

        .page-hero h1 {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            color: #fff;
        }

        .hero-lead {
            font-size: 17px;
            color: rgba(232, 240, 236, 0.85);
            max-width: 620px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

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

        /* ===== Flow Section ===== */
        .flow-section {
            background: var(--bg);
        }

        .flow-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px 30px;
            text-align: center;
            position: relative;
            height: 100%;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
        }

        .flow-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(11, 93, 74, 0.2);
        }

        .flow-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 0 0 4px 4px;
            transition: width .3s ease;
        }

        .flow-card:hover::before {
            width: 70%;
        }

        .flow-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            box-shadow: 0 8px 20px rgba(11, 93, 74, 0.22);
        }

        .flow-step {
            display: inline-block;
            font-family: var(--font-num);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.12em;
            color: var(--gold);
            background: rgba(201, 155, 63, 0.1);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }

        .flow-card h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 12px;
        }

        .flow-card p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Methods ===== */
        .methods-section {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .method-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
        }

        .method-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: rgba(11, 93, 74, 0.18);
        }

        .method-media {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            position: relative;
        }

        .method-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .45s ease;
        }

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

        .method-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 43, 35, 0.2), transparent 40%);
            pointer-events: none;
        }

        .method-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            flex: 1;
        }

        .method-body h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .method-body h3 i {
            color: var(--primary);
            font-size: 18px;
        }

        .method-body p {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.75;
            margin: 0;
        }

        .method-body ul {
            list-style: none;
            padding: 0;
            margin: 4px 0 8px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 8px;
        }

        .method-body ul li {
            position: relative;
            padding-left: 22px;
            font-size: 14px;
            color: var(--text);
        }

        .method-body ul li::before {
            content: '\f00c';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 12px;
            color: var(--success);
            position: absolute;
            left: 0;
            top: 3px;
        }

        .method-body .btn {
            margin-top: auto;
            align-self: flex-start;
        }

        /* ===== Notice ===== */
        .notice-section {
            background: var(--bg);
        }

        .notice-card {
            height: 100%;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            transition: all .3s ease;
            box-shadow: var(--shadow-sm);
        }

        .notice-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .notice-icon {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: rgba(11, 93, 74, 0.08);
            border-radius: 50%;
            color: var(--primary);
            font-size: 19px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .notice-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .notice-card p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: #fff;
            border-top: 1px solid var(--border);
        }

        .faq-section .container-narrow {
            padding-left: 20px;
            padding-right: 20px;
        }

        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: #fff;
            box-shadow: var(--shadow-sm);
            transition: box-shadow .3s ease;
        }

        .accordion-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
            box-shadow: var(--shadow-lg);
        }

        .accordion-custom .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: #fff;
            padding: 20px 24px;
            box-shadow: none !important;
            border-radius: 0 !important;
            transition: color .2s ease;
            font-family: var(--font-sans);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #fff;
            border-left: 3px solid var(--primary);
            padding-left: 21px;
        }

        .accordion-custom .accordion-button:hover {
            color: var(--primary);
        }

        .accordion-custom .accordion-button::after {
            background-image: none;
            content: '\f107';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 16px;
            width: auto;
            height: auto;
            color: var(--text-sub);
            transition: transform .3s ease;
        }

        .accordion-custom .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .accordion-custom .accordion-body {
            background: var(--bg);
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.75;
            padding: 20px 24px;
            border-top: 1px solid var(--border);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 155, 63, 0.16), transparent 60%);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(11, 93, 74, 0.3), transparent 60%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-copy h2 {
            font-size: clamp(26px, 3vw, 32px);
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-copy p {
            color: rgba(232, 240, 236, 0.75);
            font-size: 16px;
            line-height: 1.75;
            margin-bottom: 20px;
            max-width: 520px;
        }

        .cta-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .cta-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--text-light);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            transition: all .2s ease;
        }

        .cta-tag:hover {
            background: rgba(201, 155, 63, 0.16);
            border-color: rgba(201, 155, 63, 0.35);
            color: var(--gold-light);
        }

        .cta-action {
            display: flex;
            flex-direction: column;
            gap: 14px;
            align-items: flex-start;
        }

        .cta-action .btn {
            min-width: 180px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(232, 240, 236, 0.72);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr 1.1fr;
            gap: 40px;
            padding: 64px 0 40px;
        }

        .footer-brand {
            display: inline-block;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-brand:hover {
            color: var(--gold-light);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(232, 240, 236, 0.6);
            margin: 0;
            max-width: 320px;
        }

        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            color: rgba(232, 240, 236, 0.65);
            font-size: 14px;
            transition: all .2s ease;
        }

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

        .footer-links.footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: rgba(232, 240, 236, 0.65);
            line-height: 1.6;
        }

        .footer-links.footer-contact i {
            color: var(--gold);
            margin-top: 4px;
            font-size: 13px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            padding: 22px 0;
            text-align: center;
        }

        .footer-bottom p {
            margin: 0;
            font-size: 13px;
            color: rgba(232, 240, 236, 0.45);
        }

        /* ===== Transitions ===== */
        .btn,
        .btn-nav,
        .nav-link-style,
        .flow-card,
        .method-card,
        .notice-card,
        .accordion-custom .accordion-item,
        .accordion-custom .accordion-button {
            transition: all .25s ease;
        }

        /* ===== Focus states ===== */
        a:focus-visible,
        button:focus-visible,
        .btn:focus-visible,
        .accordion-button:focus-visible {
            outline: 3px solid rgba(201, 155, 63, 0.5);
            outline-offset: 2px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .main-nav .container {
                grid-template-columns: 1fr auto 1fr;
                min-height: 64px;
            }

            .nav-brand {
                font-size: 19px;
            }

            .nav-left,
            .nav-right {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .main-nav .container.nav-open {
                grid-template-columns: 1fr auto 1fr;
                padding-bottom: 14px;
            }

            .main-nav .container.nav-open .nav-left,
            .main-nav .container.nav-open .nav-right {
                display: flex;
                grid-column: 1 / -1;
                flex-direction: column;
                align-items: center;
                gap: 2px;
                width: 100%;
                padding: 10px 0;
                border-top: 1px solid var(--border);
                margin-top: 8px;
            }

            .main-nav .container.nav-open .nav-right {
                border-top: none;
                padding-top: 0;
            }

            .main-nav .container.nav-open .nav-link-style {
                width: 100%;
                text-align: center;
                padding: 10px;
                border-radius: var(--radius-sm);
            }

            .main-nav .container.nav-open .btn-nav {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }

            .page-hero {
                padding: 120px 0 72px;
            }

            .hero-actions .btn {
                flex: 1 1 auto;
                justify-content: center;
            }

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

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .page-hero {
                padding: 110px 0 60px;
            }

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

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

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .cta-action {
                flex-direction: row;
                flex-wrap: wrap;
                width: 100%;
            }

            .cta-action .btn {
                flex: 1 1 auto;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                padding: 48px 0 24px;
                gap: 28px;
            }

            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .nav-brand {
                font-size: 17px;
                letter-spacing: 0;
            }

            .nav-link-style {
                font-size: 14px;
                padding: 7px 12px;
            }

            .btn-nav {
                font-size: 13px;
                padding: 8px 14px;
            }

            .page-hero h1 {
                font-size: 26px;
                line-height: 1.3;
            }

            .hero-lead {
                font-size: 14px;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

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

            .flow-card {
                padding: 28px 20px 24px;
            }

            .method-body {
                padding: 20px;
            }

            .notice-card {
                padding: 22px 18px;
            }

            .accordion-custom .accordion-button {
                font-size: 15px;
                padding: 16px 18px;
            }

            .accordion-custom .accordion-body {
                padding: 16px 18px;
                font-size: 14px;
            }

            .cta-tag {
                font-size: 12px;
                padding: 5px 12px;
            }
        }