/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
    --primary: #0E8BB4;
    --primary-light: #4FC3E8;
    --primary-bg: #EAF6FB;
    --accent: #E8590C;
    --accent-light: #FF8C5A;
    --accent-bg: #FFEDE3;
    --text: #1F2D3D;
    --text-secondary: #5A6B7B;
    --text-muted: #8A9BAD;
    --border: #E6EDF3;
    --bg: #F7FAFC;
    --card-bg: #FFFFFF;
    --dark: #1F2D3D;
    --star: #F5A623;
    --success: #2B9C8E;
    --danger: #D64550;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-pill: 999px;
    --shadow: 0 4px 16px rgba(31, 45, 61, 0.06);
    --shadow-hover: 0 12px 32px rgba(31, 45, 61, 0.10);
    --transition: all 0.3s ease;
}

/* ===== 基础 reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: color 0.2s ease; }
a:hover { color: #0873A0; }
a:focus-visible, button:focus-visible, input:focus-visible {
    outline: 2px solid var(--primary-light);
    outline-offset: 2px;
}

ul, ol { list-style: none; }

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

input { font-family: inherit; }

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

/* ===== 通用板块标题 ===== */
.section {
    padding: 72px 0;
}

.section-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.section-head.center {
    justify-content: center;
    text-align: center;
    flex-direction: column;
    align-items: center;
}

.section-bar {
    width: 4px;
    height: 24px;
    background: var(--primary);
    border-radius: 2px;
    margin-bottom: 12px;
    display: inline-block;
}

.section-head h2 {
    font-size: 30px;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text);
    margin-top: 4px;
}

.section-desc {
    font-size: 15px;
    color: var(--text-secondary);
    margin-top: 8px;
    max-width: 620px;
}

.view-all {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--primary);
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-pill);
    background: var(--card-bg);
    transition: var(--transition);
    white-space: nowrap;
}

.view-all:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow);
}

.view-all span {
    transition: transform 0.2s ease;
    display: inline-block;
}

.view-all:hover span {
    transform: translateX(4px);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    padding: 14px 28px;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
    min-height: 44px;
}

.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn-sm { padding: 10px 20px; font-size: 14px; min-height: 40px; }

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

.btn-primary:hover {
    background: #0873A0;
    border-color: #0873A0;
    color: #fff;
    box-shadow: 0 8px 20px rgba(14, 139, 180, 0.28);
    transform: translateY(-2px);
}

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

.btn-accent:hover {
    background: #D64E08;
    border-color: #D64E08;
    color: #fff;
    box-shadow: 0 8px 20px rgba(232, 89, 12, 0.25);
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background: var(--primary-bg);
    color: #0873A0;
    border-color: #0873A0;
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.7);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border-color: #fff;
    transform: translateY(-2px);
}

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

/* ===== Header 导航 ===== */
.site-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(31, 45, 61, 0.04);
}

.header-top-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    min-height: 68px;
    flex-wrap: nowrap;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
    color: var(--text);
}

.brand-logo:hover { color: var(--text); }

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.logo-text em {
    font-style: normal;
    color: var(--primary);
}

/* 搜索框 */
.search-wrap {
    flex: 1;
    max-width: 540px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid #D6E4EC;
    border-radius: var(--radius-pill);
    height: 42px;
    padding: 0 4px 0 16px;
    transition: var(--transition);
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14, 139, 180, 0.15);
}

.search-form .search-icon {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    flex-shrink: 0;
    font-size: 16px;
}

.search-form input {
    flex: 1;
    border: none;
    outline: none;
    margin: 0 8px;
    font-size: 15px;
    background: transparent;
    color: var(--text);
    min-width: 0;
}

.search-form input::placeholder {
    color: var(--text-muted);
}

.search-form button {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: var(--radius-pill);
    padding: 8px 22px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
    min-height: 34px;
    flex-shrink: 0;
}

.search-form button:hover {
    background: #0873A0;
}

/* 头部 CTA */
.header-cta-btn {
    flex-shrink: 0;
}

/* 汉堡按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 42px;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    cursor: pointer;
    gap: 4px;
    transition: var(--transition);
    flex-shrink: 0;
}

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

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* 导航条 */
.header-nav {
    border-top: 1px solid var(--border);
    background: #fff;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 48px;
    flex-wrap: wrap;
}

.nav-list li a {
    display: inline-flex;
    align-items: center;
    padding: 10px 18px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: var(--radius-pill);
    transition: var(--transition);
    position: relative;
}

.nav-list li a:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.nav-list li a.active {
    color: var(--primary);
    font-weight: 600;
    background: var(--primary-bg);
}

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

/* ===== Hero 首屏 ===== */
.hero {
    position: relative;
    padding: 72px 0 56px;
    background:
        linear-gradient(rgba(255, 255, 255, 0.92), rgba(255, 255, 255, 0.92)),
        url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    border-bottom: 1px solid var(--border);
}

.hero-grid {
    align-items: center;
}

.hero-content h1 {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--text);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero-subtitle {
    font-size: 17px;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 520px;
}

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

.hero-visual {
    position: relative;
}

.hero-img-wrap {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-hover);
    border: 1px solid #fff;
    margin-left: 8px;
}

.hero-img-wrap img {
    width: 100%;
    height: 360px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.hero-img-wrap:hover img {
    transform: scale(1.03);
}

/* 数据条 */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: left;
    padding-left: 16px;
    border-left: 3px solid var(--primary-bg);
}

.stat-num {
    font-size: 32px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ===== 核心服务 ===== */
.section-services {
    background: var(--bg);
}

.services-grid .cell {
    margin-bottom: 24px;
}

.service-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.service-img {
    position: relative;
    overflow: hidden;
    height: 180px;
    flex-shrink: 0;
}

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

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

.badge {
    display: inline-block;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 500;
    border-radius: var(--radius-pill);
    color: #fff;
}

.badge-accent {
    background: var(--accent);
}

.badge-primary {
    background: var(--primary);
}

.service-card .badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
}

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

.service-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.5;
}

.service-body p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

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

.more-link span {
    transition: transform 0.2s ease;
}

.more-link:hover {
    color: #0873A0;
}

.more-link:hover span {
    transform: translateX(4px);
}

/* 横向大卡 */
.service-horizontal {
    flex-direction: row;
    align-items: stretch;
    min-height: 240px;
}

.service-horizontal .service-img {
    width: 46%;
    height: auto;
    min-height: 240px;
    flex-shrink: 0;
}

.service-horizontal .service-body {
    width: 54%;
    padding: 28px;
}

.service-horizontal .service-body p {
    font-size: 15px;
}

/* ===== 评价轮播 ===== */
.section-testimonials {
    background: var(--card-bg);
}

.testimonial-orbit {
    max-width: 980px;
    margin: 0 auto;
}

.testimonial-card {
    background: var(--primary-bg);
    border-radius: var(--radius);
    padding: 36px 40px;
    text-align: center;
    position: relative;
}

.quote-mark {
    font-size: 64px;
    line-height: 1;
    color: var(--primary-light);
    opacity: 0.35;
    font-family: Georgia, serif;
    position: absolute;
    top: 20px;
    left: 28px;
}

.testimonial-text {
    font-size: 18px;
    line-height: 1.7;
    color: var(--text);
    margin-bottom: 20px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.testimonial-stars {
    color: var(--star);
    font-size: 18px;
    letter-spacing: 4px;
    margin-bottom: 20px;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 600;
    flex-shrink: 0;
}

.author-info {
    text-align: left;
    display: flex;
    flex-direction: column;
}

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

.author-role {
    font-size: 13px;
    color: var(--text-muted);
}

/* Orbit 箭头覆盖 */
.testimonial-orbit .orbit-controls button {
    background: transparent;
    border: 1px solid var(--primary);
    color: var(--primary);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    line-height: 38px;
    font-size: 24px;
    transition: var(--transition);
    cursor: pointer;
}

.testimonial-orbit .orbit-controls button:hover {
    background: var(--primary);
    color: #fff;
}

.testimonial-orbit .orbit-controls .orbit-previous {
    left: -70px;
}

.testimonial-orbit .orbit-controls .orbit-next {
    right: -70px;
}

/* Orbit 圆点覆盖 */
.testimonial-orbit .orbit-bullets button {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #CBD9E2;
    margin: 0 4px;
    border: none;
    transition: var(--transition);
    cursor: pointer;
    padding: 0;
}

.testimonial-orbit .orbit-bullets button.is-active {
    background: var(--primary);
    width: 24px;
    border-radius: var(--radius-pill);
}

.testimonial-orbit .orbit-bullets button:hover {
    background: var(--primary-light);
}

/* ===== 保障条 ===== */
.section-guarantee {
    background: var(--bg);
}

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

.guarantee-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}

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

.guarantee-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin: 0 auto 16px;
    transition: var(--transition);
}

.guarantee-item:hover .guarantee-icon {
    background: var(--primary);
    color: #fff;
}

.guarantee-item h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.guarantee-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== 资讯动态 ===== */
.section-news {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.news-feature-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

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

.news-feature-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    color: var(--text);
}

.news-feature-link:hover {
    color: var(--text);
}

.news-feature-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

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

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

.news-feature-img .badge {
    position: absolute;
    top: 14px;
    left: 14px;
}

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

.news-feature-body h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-feature-excerpt {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

/* 右侧资讯列表 */
.news-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    height: 100%;
}

.news-list-item {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: var(--transition);
    flex: 1;
}

.news-list-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
}

.news-list-link {
    display: block;
    color: var(--text);
}

.news-list-link:hover {
    color: var(--text);
}

.news-list-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-list-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news-list-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.badge-cat {
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: var(--radius-pill);
}

.news-time {
    font-size: 12px;
    color: var(--text-muted);
}

/* 空态 */
.news-empty-state {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 72px 32px;
    text-align: center;
    color: var(--text-muted);
    background: var(--bg);
}

.news-empty-state .empty-icon {
    font-size: 40px;
    color: var(--text-muted);
    opacity: 0.4;
    margin-bottom: 16px;
    display: block;
}

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

.news-more-empty {
    background: var(--bg);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
    padding: 36px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 14px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ===== CTA 横幅 ===== */
.section-cta {
    padding: 64px 0;
    background: var(--bg);
}

.cta-banner {
    background: linear-gradient(135deg, #0E8BB4 0%, #0575A0 100%);
    border-radius: 20px;
    padding: 48px 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(14, 139, 180, 0.2);
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -40px;
    width: 260px;
    height: 260px;
    background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    opacity: 0.12;
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
    line-height: 1.4;
}

.cta-content p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.85);
}

.cta-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

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

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

.faq-accordion .accordion-item {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-accordion .accordion-item.is-active {
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
}

.faq-accordion .accordion-title {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    min-height: 52px;
    background: transparent;
    transition: var(--transition);
}

.faq-accordion .accordion-title:hover {
    color: var(--primary);
    background: var(--primary-bg);
}

.faq-q {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-bg);
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.faq-accordion .accordion-content {
    padding: 0 20px 20px 62px;
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
    background: var(--card-bg);
    border-top: none;
}

.faq-accordion .accordion-content p {
    padding-top: 4px;
}

.faq-a {
    font-weight: 600;
    color: var(--primary);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: #A9B7C4;
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.4fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.footer-logo:hover { color: #fff; }

.footer-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.footer-logo .footer-logo-text {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: #8B9CAB;
    max-width: 320px;
}

.footer-col h3 {
    font-size: 16px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
}

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

.footer-col ul li a {
    color: #8B9CAB;
    font-size: 14px;
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--primary-light);
    padding-left: 4px;
}

.footer-col ul li.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 14px;
    color: #8B9CAB;
    line-height: 1.6;
}

.footer-col ul li.contact-item i {
    color: var(--primary-light);
    margin-top: 4px;
    flex-shrink: 0;
}

.footer-bottom {
    padding: 24px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    color: #7A8B99;
}

.footer-bottom a {
    color: #8B9CAB;
}

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

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .header-top-inner {
        gap: 16px;
    }

    .search-wrap {
        max-width: 420px;
    }

    .nav-toggle {
        display: flex;
    }

    .header-nav {
        display: none;
    }

    .header-nav.open {
        display: block;
    }

    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 8px 0;
    }

    .nav-list li a {
        justify-content: flex-start;
        padding: 12px 16px;
        border-radius: var(--radius-sm);
    }

    .nav-list li a.active::after {
        display: none;
    }

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

    .hero-img-wrap {
        margin-left: 0;
    }

    .hero-img-wrap img {
        height: 280px;
    }

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

    .testimonial-orbit .orbit-controls .orbit-previous {
        left: -10px;
    }

    .testimonial-orbit .orbit-controls .orbit-next {
        right: -10px;
    }

    .cta-banner {
        padding: 40px 32px;
    }

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

@media (max-width: 640px) {
    .section {
        padding: 56px 0;
    }

    .section-head h2 {
        font-size: 22px;
    }

    .header-top-inner {
        flex-wrap: wrap;
        min-height: 60px;
        padding: 12px 0;
    }

    .brand-logo .logo-text {
        font-size: 20px;
    }

    .search-wrap {
        order: 10;
        flex: 0 0 100%;
        max-width: none;
        margin-top: 10px;
    }

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

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

    .hero-content h1 {
        font-size: 24px;
        margin-bottom: 14px;
    }

    .hero-subtitle {
        font-size: 15px;
        margin-bottom: 24px;
    }

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

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

    .hero-img-wrap img {
        height: 200px;
    }

    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        margin-top: 40px;
        padding-top: 24px;
    }

    .stat-num {
        font-size: 26px;
    }

    .service-horizontal {
        flex-direction: column;
    }

    .service-horizontal .service-img {
        width: 100%;
        height: 180px;
        min-height: 0;
    }

    .service-horizontal .service-body {
        width: 100%;
        padding: 20px;
    }

    .service-imgs img {
        height: 160px;
    }

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

    .testimonial-card {
        padding: 28px 20px;
    }

    .testimonial-text {
        font-size: 15px;
    }

    .testimonial-orbit .orbit-controls button {
        width: 36px;
        height: 36px;
        line-height: 30px;
        font-size: 18px;
    }

    .section-cta {
        padding: 48px 0;
    }

    .cta-banner {
        padding: 32px 24px;
        flex-direction: column;
        text-align: center;
    }

    .cta-actions {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }

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

    .faq-accordion .accordion-content {
        padding-left: 20px;
    }

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

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

@media (max-width: 480px) {
    .search-form button {
        padding: 8px 16px;
        font-size: 13px;
    }

    .hero-stats {
        gap: 12px;
    }

    .stat-num {
        font-size: 22px;
    }

    .stat-label {
        font-size: 12px;
    }

    .news-feature-img {
        height: 180px;
    }
}

/* Foundation 默认按钮样式覆盖 */
button, .button {
    outline: none;
}

.orbit-container { list-style: none; margin: 0; padding: 0; }
.orbit-slide { width: 100%; }
.orbit-bullets { text-align: center; padding-top: 20px; }
.orbit-bullets button { border: none; }

/* roulang page: category1 */
:root{
  --primary:#0E8BB4;--primary-light:#4FC3E8;--primary-bg:#EAF6FB;
  --accent:#E8590C;--accent-light:#FF8C5A;--accent-bg:#FFEDE3;
  --text:#1F2D3D;--text-secondary:#5A6B7B;--text-muted:#8A9BAD;
  --border:#E6EDF3;--bg:#F7FAFC;--card-bg:#FFFFFF;--dark:#1F2D3D;
  --star:#F5A623;--success:#2B9C8E;--error:#D64550;
  --radius:16px;--radius-sm:8px;
  --shadow:0 4px 16px rgba(31,45,61,0.06);--shadow-hover:0 12px 32px rgba(31,45,61,0.10);
  --transition:all 0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:#0873A0}
a:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px;border-radius:4px}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:1200px;margin:0 auto;width:100%}

/* ===== Header ===== */
.site-header{
  background:#fff;box-shadow:0 2px 12px rgba(31,45,61,0.06);position:relative;z-index:100;
}
.header-top-inner{
  display:flex;align-items:center;gap:20px;padding:14px 0;
}
.brand-logo{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.logo-icon{
  width:42px;height:42px;border-radius:12px;background:var(--primary-bg);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:20px;flex-shrink:0;
}
.logo-text{
  font-size:22px;font-weight:700;color:var(--text);letter-spacing:0.5px;white-space:nowrap;
}
.logo-text em{font-style:normal;color:var(--primary);font-weight:700}
.search-wrap{
  flex:1;max-width:520px;margin:0 auto;
}
.search-form{
  display:flex;align-items:center;background:#fff;border:2px solid #D6E4EC;border-radius:24px;height:44px;padding:0 4px 0 16px;transition:var(--transition);
}
.search-form:focus-within{
  border-color:var(--primary);box-shadow:0 0 0 4px rgba(14,139,180,0.15);
}
.search-icon{color:var(--text-muted);font-size:15px;flex-shrink:0}
.search-form input{
  flex:1;border:none;outline:none;background:transparent;padding:0 10px;font-size:14px;color:var(--text);min-width:0;
}
.search-form input::placeholder{color:var(--text-muted)}
.search-form button{
  height:36px;padding:0 22px;border:none;border-radius:20px;background:var(--primary);color:#fff;font-size:14px;font-weight:500;cursor:pointer;transition:var(--transition);white-space:nowrap;
}
.search-form button:hover{background:#0873A0}
.header-cta-btn{
  flex-shrink:0;display:inline-flex;align-items:center;gap:6px;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;border-radius:24px;font-weight:500;transition:var(--transition);cursor:pointer;border:none;line-height:1.2;
}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#0873A0;color:#fff;transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 20px;font-size:14px}
.btn-lg{height:48px;padding:0 32px;font-size:16px}
.btn-accent{background:var(--accent);color:#fff;border:none}
.btn-accent:hover{background:#d64f08;color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,89,12,0.30)}
.btn-outline{
  background:transparent;border:2px solid var(--primary);color:var(--primary);
}
.btn-outline:hover{background:var(--primary-bg);color:#0873A0;transform:translateY(-1px)}
.btn-outline-light{background:transparent;border:2px solid #fff;color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,0.15);color:#fff}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;width:44px;height:44px;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;border-radius:8px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:2px;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.header-nav{
  border-top:1px solid var(--border);background:#fff;
}
.nav-list{
  display:flex;align-items:center;gap:4px;padding:0;
}
.nav-list > li > a{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 22px;font-size:15px;font-weight:500;color:var(--text-secondary);border-bottom:3px solid transparent;transition:var(--transition);border-radius:0;
}
.nav-list > li > a:hover{color:var(--primary);background:var(--primary-bg)}
.nav-list > li > a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;padding:72px 0 60px;background:linear-gradient(135deg,var(--primary-bg) 0%,#FFFFFF 60%,var(--accent-bg) 100%);overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-1.png') no-repeat center/cover;opacity:0.14;pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:24px;
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--primary);font-weight:500}
.hero-title{
  max-width:700px;font-size:38px;font-weight:700;line-height:1.3;color:var(--text);margin-bottom:16px;
}
.hero-title span{color:var(--primary)}
.hero-subtitle{
  max-width:680px;font-size:18px;line-height:1.7;color:var(--text-secondary);margin-bottom:32px;
}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}

/* ===== Intro Section ===== */
.intro-section{padding:80px 0 0}
.intro-card{
  background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;
}
.intro-card .grid-x{margin:0}
.intro-image{
  position:relative;min-height:420px;
}
.intro-image img{
  width:100%;height:100%;object-fit:cover;position:absolute;top:0;left:0;
}
.intro-badge{
  position:absolute;top:20px;left:20px;background:var(--accent);color:#fff;font-size:13px;font-weight:500;padding:6px 16px;border-radius:20px;box-shadow:0 4px 12px rgba(232,89,12,0.25);z-index:2;
}
.intro-content{
  padding:44px 40px;
}
.intro-content h2{
  font-size:30px;font-weight:700;line-height:1.4;margin-bottom:12px;position:relative;padding-left:16px;
}
.intro-content h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--primary);
}
.intro-content > p{
  color:var(--text-secondary);font-size:16px;line-height:1.85;margin-bottom:28px;
}
.feature-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--border);
}
.feature-list li:last-child{border-bottom:none}
.feature-list .feature-icon{
  width:44px;height:44px;border-radius:10px;background:var(--primary-bg);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:17px;flex-shrink:0;margin-top:2px;
}
.feature-list .feature-text h3{
  font-size:17px;font-weight:600;margin-bottom:4px;
}
.feature-list .feature-text p{
  font-size:14px;color:var(--text-muted);line-height:1.7;
}
.feature-note{
  margin-top:24px;padding:16px 20px;background:var(--primary-bg);border-radius:12px;font-size:14px;color:var(--text-secondary);display:flex;align-items:center;gap:10px;
}
.feature-note i{color:var(--primary);font-size:16px;flex-shrink:0}

/* ===== Services Section ===== */
.services-section{
  padding:80px 0;
}
.section-head{
  margin-bottom:40px;
}
.section-head .section-tag{
  display:inline-block;background:var(--accent-bg);color:var(--accent);font-size:13px;font-weight:600;padding:6px 16px;border-radius:20px;margin-bottom:14px;
}
.section-head h2{
  font-size:30px;font-weight:700;line-height:1.4;margin-bottom:10px;
}
.section-head p{
  font-size:16px;color:var(--text-secondary);max-width:620px;
}
.service-grid .cell{
  margin-bottom:24px;
}
.service-card{
  background:var(--card-bg);border-radius:var(--radius);padding:32px 28px;box-shadow:var(--shadow);border:1px solid rgba(230,237,243,0.6);height:100%;transition:var(--transition);display:flex;flex-direction:column;position:relative;overflow:hidden;
}
.service-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:transparent;
}
.service-card:hover::before{opacity:1}
.service-icon{
  width:56px;height:56px;border-radius:14px;background:var(--primary-bg);color:var(--primary);font-size:22px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:var(--transition);
}
.service-card:hover .service-icon{
  background:var(--primary);color:#fff;transform:scale(1.05);
}
.service-card h3{
  font-size:19px;font-weight:600;margin-bottom:10px;
}
.service-card p{
  font-size:14px;color:var(--text-secondary);line-height:1.7;flex:1;
}
.service-card .card-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:500;color:var(--primary);
}
.service-card .card-link:hover{color:var(--accent);gap:10px}
.service-badge{
  position:absolute;top:20px;right:20px;font-size:12px;font-weight:500;padding:4px 12px;border-radius:12px;
}
.service-badge.hot{background:var(--accent-bg);color:var(--accent)}
.service-badge.recommend{background:var(--primary-bg);color:var(--primary)}

/* ===== Process Section ===== */
.process-section{
  padding:80px 0;background:#fff;
}
.process-section .section-head{text-align:center}
.process-section .section-head p{margin:0 auto}
.process-steps{
  display:grid;grid-template-columns:repeat(5,1fr);gap:24px;margin-top:48px;position:relative;
}
.process-steps::before{
  content:"";position:absolute;top:36px;left:8%;right:8%;height:2px;background:var(--border);z-index:1;
}
.process-step{
  text-align:center;position:relative;z-index:2;padding:0 8px;
}
.step-dot{
  width:72px;height:72px;border-radius:50%;background:var(--primary-bg);color:var(--primary);font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;border:4px solid #fff;box-shadow:0 4px 16px rgba(14,139,180,0.15);transition:var(--transition);
}
.process-step:hover .step-dot{
  background:var(--primary);color:#fff;transform:scale(1.06);
}
.process-step h3{
  font-size:16px;font-weight:600;margin-bottom:6px;
}
.process-step p{
  font-size:13px;color:var(--text-muted);line-height:1.6;
}

/* ===== FAQ Section ===== */
.faq-section{
  padding:80px 0;
}
.faq-section .section-head{text-align:center}
.faq-section .section-head p{margin:0 auto}
.faq-wrap{
  max-width:860px;margin:36px auto 0;
}
.accordion{
  background:transparent;border:none;margin:0;
}
.accordion-item{
  background:var(--card-bg);border-radius:14px;box-shadow:var(--shadow);border:1px solid var(--border);margin-bottom:16px;transition:var(--transition);overflow:hidden;
}
.accordion-item:hover{border-color:var(--primary-light)}
.accordion-item.is-active{box-shadow:var(--shadow-hover);border-color:var(--primary-light)}
.accordion-title{
  display:flex;align-items:center;gap:14px;padding:18px 24px;font-size:16px;font-weight:600;color:var(--text);background:transparent;border:none;transition:var(--transition);min-height:60px;
}
.accordion-title:hover{background:var(--bg);color:var(--primary)}
.accordion-title::before{display:none}
.accordion-title::after{
  content:"\f078" !important;font-family:"Font Awesome 6 Free";font-weight:900;font-size:14px;color:var(--text-muted);margin-left:auto;transition:var(--transition);
}
.accordion-item.is-active > .accordion-title::after{transform:rotate(180deg);color:var(--primary)}
.q-badge{
  width:32px;height:32px;border-radius:50%;background:var(--primary-bg);color:var(--primary);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.accordion-content{
  padding:0 24px 22px 70px;font-size:15px;color:var(--text-secondary);line-height:1.8;background:var(--bg);
}
.accordion-content strong{color:var(--text);font-weight:600}

/* ===== CTA Section ===== */
.cta-section{
  position:relative;padding:72px 0;background:linear-gradient(135deg,#0E8BB4 0%,#0575A0 100%);overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('/assets/images/backpic/back-2.png') no-repeat center/cover;opacity:0.10;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-copy h2{
  font-size:30px;font-weight:700;color:#fff;margin-bottom:10px;line-height:1.4;
}
.cta-copy p{
  font-size:16px;color:rgba(255,255,255,0.90);line-height:1.7;
}
.cta-actions{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.cta-actions .btn-lg{height:52px;padding:0 36px;font-size:16px}

/* ===== Footer ===== */
.site-footer{
  background:var(--dark);color:#AAB8C5;padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:40px;
}
.footer-logo{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-logo-icon{
  width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,0.12);display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
}
.footer-logo-text{font-size:20px;font-weight:700;color:#fff}
.footer-brand p{
  font-size:14px;line-height:1.8;color:#8A9BAD;max-width:320px;
}
.footer-col h3{
  font-size:16px;font-weight:600;color:#fff;margin-bottom:18px;position:relative;padding-bottom:10px;
}
.footer-col h3::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:3px;border-radius:2px;background:var(--accent);
}
.footer-col ul li{
  margin-bottom:10px;
}
.footer-col ul li a{
  color:#8A9BAD;font-size:14px;transition:var(--transition);
}
.footer-col ul li a:hover{color:#fff;padding-left:4px}
.footer-col .contact-item{
  display:flex;align-items:center;gap:10px;font-size:14px;color:#8A9BAD;margin-bottom:12px;
}
.footer-col .contact-item i{
  color:var(--primary-light);width:16px;text-align:center;flex-shrink:0;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#6B7A88;margin:0}
.footer-bottom a{color:#6B7A88}
.footer-bottom a:hover{color:#fff}

/* ===== Responsive ===== */
@media (max-width:1023px){
  .header-top-inner{flex-wrap:wrap;gap:12px}
  .search-wrap{order:3;flex:0 0 100%;max-width:100%}
  .header-cta-btn{display:none}
  .nav-toggle{display:flex}
  .header-nav{
    display:none;position:absolute;top:100%;left:0;right:0;background:#fff;box-shadow:0 12px 24px rgba(31,45,61,0.10);z-index:200;
  }
  .header-nav.open{display:block}
  .nav-list{flex-direction:column;align-items:stretch;padding:8px 0}
  .nav-list > li > a{
    height:auto;padding:14px 24px;border-bottom:1px solid var(--border);border-left:3px solid transparent;justify-content:flex-start;
  }
  .nav-list > li > a.active{border-left-color:var(--primary);background:var(--primary-bg)}
  .hero-title{font-size:30px}
  .intro-content{padding:32px 24px}
  .process-steps{grid-template-columns:repeat(3,1fr);gap:16px}
  .process-steps::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .header-top-inner{padding:10px 0;flex-wrap:wrap}
  .brand-logo .logo-text{font-size:18px}
  .search-wrap{flex:0 0 100%;max-width:100%;order:3}
  .page-hero{padding:48px 0 40px}
  .hero-title{font-size:24px}
  .hero-subtitle{font-size:16px}
  .hero-actions .btn{width:100%}
  .intro-section{padding:48px 0 0}
  .intro-image{min-height:240px}
  .intro-content{padding:28px 20px}
  .intro-content h2{font-size:22px}
  .services-section{padding:48px 0}
  .section-head h2{font-size:22px}
  .service-grid .cell{flex:0 0 100%;max-width:100%}
  .process-steps{grid-template-columns:1fr 1fr;gap:16px}
  .process-step{padding:0 4px}
  .step-dot{width:60px;height:60px;font-size:20px}
  .faq-section{padding:48px 0}
  .accordion-title{padding:16px 16px;font-size:15px}
  .accordion-content{padding:0 16px 18px 54px;font-size:14px}
  .cta-section{padding:52px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-copy h2{font-size:24px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
  .footer-grid{grid-template-columns:1fr}
  .footer-col h3{margin-bottom:14px}
}

/* roulang page: article */
:root {
    --primary: #0E8BB4;
    --primary-light: #4FC3E8;
    --primary-bg: #EAF6FB;
    --accent: #E8590C;
    --accent-light: #FF8C5A;
    --accent-bg: #FFEDE3;
    --text: #1F2D3D;
    --text-secondary: #5A6B7B;
    --text-muted: #8A9BAD;
    --border: #E6EDF3;
    --bg: #F7FAFC;
    --card: #FFFFFF;
    --dark: #1F2D3D;
    --star: #F5A623;
    --success: #2B9C8E;
    --error: #D64550;
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 16px rgba(31,45,61,0.06);
    --shadow-lg: 0 12px 32px rgba(31,45,61,0.10);
    --font: "PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

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

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

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 16px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--text);
}

p { margin: 0 0 24px; }

a {
    color: var(--primary);
    text-decoration: none;
    transition: color .25s ease, background-color .25s ease, border-color .25s ease, box-shadow .25s ease, transform .25s ease;
}

a:hover, a:focus {
    color: #0873A0;
    text-decoration: none;
}

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

ul, ol { margin: 0 0 24px; padding-left: 24px; }

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 24px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.2;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .25s ease;
    min-height: 44px;
    box-shadow: none;
}

.btn-primary { background: var(--primary); color: #fff; border-color: var(--primary); }
.btn-primary:hover, .btn-primary:focus { background: #0873A0; border-color: #0873A0; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(14,139,180,.25); }
.btn-secondary { background: transparent; color: var(--primary); border: 1px solid var(--primary); }
.btn-secondary:hover, .btn-secondary:focus { background: var(--primary-bg); color: #0873A0; transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover, .btn-accent:focus { background: #D64E08; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(232,89,12,.25); }
.btn-sm { padding: 8px 18px; font-size: 14px; min-height: 40px; }

/* ===== Header ===== */
.site-header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(31,45,61,.03);
}

.header-top { border-bottom: 1px solid var(--border); }

.header-top-inner {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 14px 0;
    flex-wrap: wrap;
}

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

.logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary-bg);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: transform .3s ease, box-shadow .3s ease;
}

.brand-logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.05);
    box-shadow: 0 6px 16px rgba(14,139,180,.2);
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: .5px;
}

.logo-text em { font-style: normal; color: var(--primary); }

.search-wrap {
    flex: 1 1 360px;
    max-width: 560px;
    margin: 0 auto 0 20px;
}

.search-form {
    display: flex;
    align-items: center;
    background: var(--card);
    border: 1px solid #D6E4EC;
    border-radius: 24px;
    padding: 4px 4px 4px 14px;
    transition: border-color .25s, box-shadow .25s;
}

.search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14,139,180,.15);
}

.search-icon { color: var(--text-muted); font-size: 15px; margin-right: 8px; flex-shrink: 0; }

.search-form input {
    flex: 1;
    min-width: 0;
    border: 0;
    background: transparent;
    height: 36px;
    font-size: 14px;
    color: var(--text);
    outline: none;
}

.search-form button {
    background: var(--primary);
    color: #fff;
    border: 0;
    border-radius: 20px;
    height: 36px;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background .25s;
    flex-shrink: 0;
}

.search-form button:hover { background: #0873A0; }

.header-cta-btn { flex-shrink: 0; }

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0;
    transition: border-color .25s, background-color .25s;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 2px;
    background: var(--text);
    transition: transform .3s ease, opacity .3s ease;
}

.nav-toggle:hover { border-color: var(--primary); }
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.header-nav { background: var(--card); }

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
}

.nav-list li { margin: 0; }

.nav-list a {
    display: block;
    padding: 12px 20px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transition: color .25s, border-color .25s;
}

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

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

/* ===== 文章页头部 ===== */
.article-page-header {
    position: relative;
    background: linear-gradient(180deg, var(--primary-bg) 0%, #F7FAFC 100%);
    padding: 48px 0 56px;
    overflow: hidden;
}

.article-page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('/assets/images/backpic/back-2.png') center / cover no-repeat;
    opacity: .12;
}

.article-header-inner {
    position: relative;
    z-index: 1;
    max-width: 880px;
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { color: #0873A0; }
.breadcrumb i { font-size: 10px; opacity: .6; }
.breadcrumb .current { color: var(--text-secondary); }

.article-title {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    margin: 0 0 20px;
    color: var(--text);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 13px;
    color: var(--text-secondary);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.meta-item i { color: var(--primary-light); width: 16px; text-align: center; }

/* ===== 正文区 ===== */
.article-body-wrap { padding: 48px 0 16px; }

.article-content {
    max-width: 760px;
    margin: 0 auto;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 48px;
    box-shadow: var(--shadow-sm);
}

.article-content p {
    font-size: 17px;
    line-height: 1.85;
    margin-bottom: 28px;
    color: var(--text);
}

.article-content h2 {
    font-size: 26px;
    font-weight: 700;
    margin: 48px 0 16px;
    padding-top: 16px;
}

.article-content h3 {
    font-size: 21px;
    font-weight: 600;
    margin: 32px 0 12px;
}

.article-content h4 {
    font-size: 18px;
    font-weight: 600;
    margin: 24px 0 10px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 28px;
    padding-left: 24px;
    line-height: 1.8;
}

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

.article-content img {
    border-radius: 12px;
    margin: 32px 0;
    width: auto;
    max-width: 100%;
}

.article-content figure { margin: 32px 0; }
.article-content figcaption { font-size: 13px; text-align: center; color: var(--text-muted); margin-top: 10px; }

.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: var(--bg);
    padding: 20px 24px;
    border-radius: 0 12px 12px 0;
    margin: 32px 0;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.article-content a { border-bottom: 1px solid var(--primary-light); }
.article-content a:hover { border-bottom-color: var(--primary); }

.article-content code {
    background: var(--primary-bg);
    border: 1px solid var(--border);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--primary);
}

.article-content pre {
    background: var(--dark);
    color: #EAF6FB;
    padding: 24px;
    border-radius: 12px;
    overflow: auto;
    margin: 32px 0;
    line-height: 1.7;
}

.article-content pre code {
    background: none;
    border: 0;
    padding: 0;
    color: inherit;
    font-size: 15px;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 32px 0;
}

.article-content th,
.article-content td {
    border: 1px solid var(--border);
    padding: 12px 16px;
    text-align: left;
    font-size: 15px;
}

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

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    max-width: 760px;
    margin: 28px auto 0;
    padding-top: 28px;
    border-top: 1px solid var(--border);
}

.tag {
    display: inline-block;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 7px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    transition: background .25s, color .25s;
}

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

/* ===== 上一篇 / 下一篇 ===== */
.article-pager {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    max-width: 760px;
    margin: 0 auto 48px;
    padding: 24px 0 0;
}

.pager-item {
    flex: 1 1 220px;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: border-color .25s, box-shadow .25s;
}

.pager-item:hover { border-color: var(--primary-light); box-shadow: var(--shadow-sm); }

.pager-label {
    font-size: 12px;
    color: var(--text-muted);
    letter-spacing: 1px;
}

.pager-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    line-height: 1.5;
}

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

.pager-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pager-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-bg);
    color: var(--primary);
    padding: 12px 18px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    transition: background .25s, color .25s;
}

.pager-home:hover { background: var(--primary); color: #fff; }

/* ===== 相关推荐 ===== */
.related-section {
    padding: 56px 0 64px;
    background: var(--bg);
    border-top: 1px solid var(--border);
}

.related-header { text-align: center; margin-bottom: 40px; }
.related-header h2 { font-size: 30px; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.related-header p { color: var(--text-muted); font-size: 14px; }

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

.related-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: transform .3s ease, box-shadow .3s ease;
    display: flex;
    flex-direction: column;
}

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

.related-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

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

.related-badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: var(--accent);
    color: #fff;
    padding: 4px 12px;
    border-radius: 14px;
    font-size: 12px;
    font-weight: 500;
    box-shadow: 0 2px 8px rgba(0,0,0,.12);
}

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

.related-body h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.5;
}

.related-body h3 a { color: var(--text); }
.related-body h3 a:hover { color: var(--primary); }

.related-body p {
    font-size: 14px;
    color: var(--text-secondary);
    flex: 1;
    margin-bottom: 0;
}

.related-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 16px;
}

.related-footer {
    text-align: center;
    margin-top: 40px;
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 空状态 ===== */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    max-width: 760px;
    margin: 0 auto;
}

.empty-state i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 20px;
    display: block;
}

.empty-state h2 { font-size: 28px; margin-bottom: 12px; }
.empty-state p { color: var(--text-secondary); margin-bottom: 24px; }

/* ===== Footer ===== */
.site-footer {
    background: var(--dark);
    color: #A7B6C4;
    padding: 56px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
}

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

.footer-logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: rgba(255,255,255,.1);
    color: var(--primary-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: #A7B6C4;
    margin-bottom: 0;
}

.footer-col h3 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 18px;
}

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

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

.footer-col a {
    color: #A7B6C4;
    font-size: 14px;
    transition: color .25s;
}

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

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #A7B6C4;
    font-size: 14px;
}

.contact-item i {
    color: var(--primary-light);
    width: 16px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.08);
    padding: 20px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: #8A9BAD;
}

.footer-bottom a { color: #8A9BAD; }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== 响应式 ===== */
@media (max-width: 1023px) {
    .article-title { font-size: 30px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .search-wrap { flex: 1 1 auto; }
    .nav-toggle { display: flex; }
    .header-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #fff;
        border-bottom: 1px solid var(--border);
        box-shadow: 0 8px 24px rgba(31,45,61,.1);
        z-index: 99;
    }
    .header-nav.nav-open { display: block; }
    .nav-list { flex-direction: column; gap: 0; }
    .nav-list a {
        padding: 16px 24px;
        border-bottom: 1px solid var(--border);
        border-left: 3px solid transparent;
    }
    .nav-list a.active {
        border-left-color: var(--primary);
        border-bottom: 1px solid var(--border);
        color: var(--primary);
    }
    .header-cta-btn { display: none; }
}

@media (max-width: 640px) {
    .header-top-inner { flex-wrap: wrap; }
    .search-wrap {
        order: 3;
        flex-basis: 100%;
        max-width: none;
        margin: 4px 0 2px;
    }
    .article-page-header { padding: 32px 0 40px; }
    .article-title { font-size: 24px; }
    .article-content { padding: 28px 20px; }
    .article-content p { font-size: 16px; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
    .pager-item { flex-basis: 100%; }
    .breadcrumb { font-size: 12px; gap: 6px; }
}

/* roulang page: category2 */
:root {
            --primary: #0E8BB4;
            --primary-light: #4FC3E8;
            --primary-bg: #EAF6FB;
            --primary-dark: #0873A0;
            --accent: #E8590C;
            --accent-light: #FF8C5A;
            --accent-bg: #FFEDE3;
            --text: #1F2D3D;
            --text-secondary: #5A6B7B;
            --text-helper: #8A9BAD;
            --border: #E6EDF3;
            --bg: #F7FAFC;
            --card-bg: #FFFFFF;
            --dark-bg: #1F2D3D;
            --star: #F5A623;
            --success: #2B9C8E;
            --danger: #D64550;
            --radius: 16px;
            --shadow: 0 4px 16px rgba(31, 45, 61, 0.06);
            --shadow-hover: 0 12px 32px rgba(31, 45, 61, 0.10);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            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: var(--transition);
        }

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

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid rgba(14, 139, 180, 0.35);
            outline-offset: 2px;
        }

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

        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 16px;
            padding-left: 16px;
            position: relative;
        }

        .section-title::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 4px;
            height: 28px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 16px;
            margin-bottom: 48px;
            line-height: 1.7;
        }

        .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 500;
            border-radius: 999px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            min-height: 44px;
            white-space: nowrap;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(14, 139, 180, 0.25);
        }

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

        .btn-accent:hover {
            background: #d64d08;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 89, 12, 0.28);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.75);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .btn-lg {
            padding: 14px 34px;
            font-size: 16px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            min-height: 38px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
            box-shadow: 0 2px 12px rgba(31, 45, 61, 0.08);
        }

        .header-top-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 12px 0;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-bg);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.2;
        }

        .logo-text em {
            color: var(--primary);
            font-style: normal;
        }

        .search-wrap {
            flex: 1;
            max-width: 560px;
            margin: 0 auto;
        }

        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid #D6E4EC;
            border-radius: 24px;
            height: 42px;
            padding: 0 4px 0 16px;
            transition: var(--transition);
        }

        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(14, 139, 180, 0.15);
            background: #fff;
        }

        .search-icon {
            color: var(--text-helper);
            font-size: 14px;
        }

        .search-form input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 15px;
            padding: 0 12px;
            min-width: 0;
        }

        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 20px;
            padding: 7px 20px;
            font-size: 14px;
            cursor: pointer;
            transition: var(--transition);
        }

        .search-form button:hover {
            background: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 4px;
            background: none;
            border: none;
            padding: 10px;
            cursor: pointer;
            border-radius: 8px;
        }

        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            transition: var(--transition);
        }

        .nav-toggle:hover span {
            background: var(--primary);
        }

        .header-nav {
            border-top: 1px solid var(--border);
            background: #fff;
        }

        .nav-list {
            display: flex;
            list-style: none;
            margin: 0;
        }

        .nav-list li a {
            display: block;
            padding: 13px 26px;
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            position: relative;
            margin-bottom: -1px;
        }

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

        .nav-list li a.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 18px;
            right: 18px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        .nav-list li a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }

        .page-banner {
            position: relative;
            padding: 72px 0 88px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-color: var(--primary-bg);
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.78));
        }

        .page-banner .container {
            position: relative;
            z-index: 1;
        }

        .breadcrumb {
            font-size: 13px;
            color: var(--text-helper);
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .breadcrumb a {
            color: var(--text-helper);
        }

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

        .breadcrumb .sep {
            color: #C4D1DC;
        }

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

        .page-banner h1 {
            font-size: 38px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .page-banner p {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
        }

        .intro-block {
            background: var(--bg);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 56px;
            align-items: center;
        }

        .intro-content h2 {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            margin: 12px 0 20px;
        }

        .intro-content p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            font-size: 16px;
            line-height: 1.8;
        }

        .check-list {
            list-style: none;
            margin: 28px 0 0;
        }

        .check-list li {
            position: relative;
            padding: 8px 0 8px 36px;
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .check-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 9px;
            width: 24px;
            height: 24px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .intro-media {
            position: relative;
        }

        .intro-media img {
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 64px;
            padding: 36px 40px;
            background: var(--dark-bg);
            border-radius: 20px;
        }

        .stats-item {
            text-align: center;
            padding: 8px 0;
        }

        .stats-item .num {
            font-size: 32px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .stats-item .num span {
            color: var(--primary-light);
        }

        .stats-item .label {
            font-size: 13px;
            color: #A9B8C7;
        }

        .solutions-block {
            background: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .solutions-grid-custom {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 24px;
        }

        .solution-card {
            grid-column: span 3;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .solution-card.wide {
            grid-column: span 6;
            display: grid;
            grid-template-columns: 1fr 1fr;
            min-height: 240px;
        }

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

        .card-img {
            overflow: hidden;
            flex-shrink: 0;
        }

        .card-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .solution-card.wide .card-img {
            height: 100%;
        }

        .solution-card.wide .card-img img {
            height: 100%;
        }

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

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

        .card-body .card-icon {
            width: 40px;
            height: 40px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .card-body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            line-height: 1.5;
            color: var(--text);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
        }

        .card-link {
            margin-top: 14px;
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .card-link i {
            font-size: 12px;
        }

        .process-block {
            background: var(--bg);
        }

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

        .process-step {
            background: #fff;
            border-radius: 16px;
            padding: 32px 26px;
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }

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

        .process-step .step-num {
            font-size: 13px;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 1px;
            margin-bottom: 12px;
            display: block;
        }

        .process-step .step-icon {
            width: 56px;
            height: 56px;
            background: var(--primary-bg);
            border-radius: 16px;
            color: var(--primary);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.5;
        }

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

        .faq-block {
            background: #ffffff;
            border-top: 1px solid var(--border);
        }

        .faq-block .section-title,
        .faq-block .section-subtitle {
            text-align: left;
        }

        .faq-accordion {
            max-width: 880px;
            margin: 0 auto;
            list-style: none;
        }

        .faq-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-accordion .accordion-item.is-active {
            border-color: var(--primary-light);
            box-shadow: 0 4px 20px rgba(14, 139, 180, 0.08);
        }

        .faq-accordion .accordion-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 18px 52px 18px 20px;
            background: #fff;
            border: none;
            position: relative;
            line-height: 1.5;
            min-height: 56px;
            display: flex;
            align-items: center;
        }

        .faq-accordion .accordion-title:hover {
            background: var(--bg);
            color: var(--primary);
        }

        .faq-accordion .accordion-item.is-active > .accordion-title {
            background: var(--bg);
            color: var(--primary);
        }

        .faq-accordion .accordion-title::before {
            content: none;
        }

        .faq-accordion .accordion-title::after {
            content: "+";
            position: absolute;
            right: 18px;
            top: 50%;
            transform: translateY(-50%);
            width: 28px;
            height: 28px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 50%;
            font-size: 17px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .faq-accordion .accordion-item.is-active > .accordion-title::after {
            content: "−";
            background: var(--primary);
            color: #fff;
        }

        .faq-accordion .accordion-content {
            background: var(--bg);
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            padding: 4px 20px 22px 20px;
            border-top: 1px solid var(--border);
        }

        .faq-accordion .q-badge {
            display: inline-flex;
            width: 26px;
            height: 26px;
            background: var(--primary-bg);
            color: var(--primary);
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .faq-accordion .accordion-item.is-active .q-badge {
            background: var(--primary);
            color: #fff;
        }

        .cta-section {
            position: relative;
            background: linear-gradient(135deg, #0E8BB4 0%, #0575A0 100%);
            padding: 80px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            mix-blend-mode: screen;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-section h2 {
            color: #ffffff;
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.92);
            font-size: 16px;
            max-width: 560px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

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

        .site-footer {
            background: var(--dark-bg);
            color: #A9B8C7;
            padding: 64px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
        }

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

        .footer-logo-icon {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 18px;
        }

        .footer-logo-text {
            font-size: 18px;
            color: #ffffff;
            font-weight: 700;
        }

        .footer-brand p {
            font-size: 14px;
            color: #8A9BAD;
            margin-top: 16px;
            line-height: 1.8;
        }

        .footer-col h3 {
            font-size: 15px;
            color: #ffffff;
            margin-bottom: 16px;
            font-weight: 600;
        }

        .footer-col ul {
            list-style: none;
        }

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

        .footer-col ul a {
            font-size: 14px;
            color: #8A9BAD;
        }

        .footer-col ul a:hover {
            color: var(--primary-light);
        }

        .contact-item {
            font-size: 14px;
            color: #8A9BAD;
            display: flex;
            gap: 10px;
            align-items: flex-start;
            line-height: 1.6;
        }

        .contact-item i {
            color: var(--primary-light);
            margin-top: 5px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 13px;
            color: #6B7C8C;
        }

        .footer-bottom a {
            color: #6B7C8C;
        }

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

        @media (max-width: 1023px) {
            .nav-toggle {
                display: inline-flex;
                margin-left: 8px;
            }

            .header-nav {
                display: none;
                position: absolute;
                left: 0;
                right: 0;
                top: 100%;
                background: #fff;
                border-top: none;
                box-shadow: 0 12px 24px rgba(31, 45, 61, 0.10);
                overflow: hidden;
            }

            .header-nav.open {
                display: block;
            }

            .nav-list {
                flex-direction: column;
                padding: 8px 0;
            }

            .nav-list li a {
                padding: 14px 24px;
                border-left: 3px solid transparent;
            }

            .nav-list li a.active {
                border-left-color: var(--primary);
                background: var(--primary-bg);
            }

            .nav-list li a.active::after {
                display: none;
            }

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

            .intro-media img {
                height: 280px;
            }

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                padding: 28px;
                gap: 20px;
            }

            .solutions-grid-custom {
                grid-template-columns: repeat(12, 1fr);
            }

            .solution-card {
                grid-column: span 6;
            }

            .solution-card.wide {
                grid-column: span 6;
                grid-template-columns: 1fr;
            }

            .solution-card.wide .card-img img {
                height: 180px;
            }

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

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

        @media (max-width: 640px) {
            .section {
                padding: 56px 0;
            }

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

            .header-top-inner {
                flex-wrap: wrap;
                gap: 12px;
                padding: 10px 0;
            }

            .search-wrap {
                order: 3;
                flex-basis: 100%;
                max-width: 100%;
            }

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

            .logo-text {
                font-size: 19px;
            }

            .page-banner {
                padding: 48px 0 56px;
            }

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

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

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

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

            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px;
                border-radius: 16px;
                gap: 16px;
            }

            .stats-item .num {
                font-size: 24px;
            }

            .stats-item .label {
                font-size: 12px;
            }

            .solutions-grid-custom {
                grid-template-columns: 1fr;
            }

            .solution-card,
            .solution-card.wide {
                grid-column: 1;
            }

            .solution-card.wide {
                grid-template-columns: 1fr;
            }

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

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

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

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

            .cta-actions .btn {
                width: 100%;
                max-width: 320px;
            }

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

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

            .faq-accordion .accordion-title {
                font-size: 15px;
                padding: 16px 46px 16px 16px;
            }
        }