/* ================================
   升恒软件 - 官网通用样式
   ================================ */

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

:root {
    --primary: #0746CE;
    --primary-dark: #052E8C;
    --primary-light: #EAF1FE;
    --accent: #38BDF8;
    --text-main: #1a1a2e;
    --text-sub: #555;
    --text-light: #888;
    --bg-white: #ffffff;
    --bg-gray: #F3F7FE;
    --border: #e0e6ed;
    --shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
    --shadow-hover: 0 8px 40px rgba(7, 70, 206, 0.14);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background: #fff;
    line-height: 1.7;
    font-size: 15px;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 80px 0;
}

.section-gray {
    background: var(--bg-gray);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.section-title p {
    font-size: 16px;
    color: var(--text-light);
}

.section-title::after {
    content: "";
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    margin: 15px auto 0;
    border-radius: 2px;
}

/* ================================
   Navigation
   ================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 1px 10px rgba(0, 0, 0, 0.06);
    z-index: 1000;
    transition: var(--transition);
}

.navbar-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-dark);
}

.nav-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.nav-logo .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.nav-logo .logo-text .cn {
    font-size: 17px;
    font-weight: 700;
}

.nav-logo .logo-text .en {
    font-size: 11px;
    color: var(--text-light);
    font-weight: 400;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    gap: 5px;
}

.nav-menu > li > a {
    display: block;
    padding: 8px 18px;
    font-size: 15px;
    color: var(--text-sub);
    border-radius: var(--radius-sm);
    font-weight: 500;
    position: relative;
}

.nav-menu > li > a:hover,
.nav-menu > li > a.active {
    color: var(--primary);
    background: var(--primary-light);
}

.nav-toggle {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary-dark);
}

/* ================================
   Hero Banner
   ================================ */
.hero {
    min-height: 600px;
    background: linear-gradient(135deg, #030B22 0%, #05246E 55%, #0746CE 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding-top: 70px;
}

.hero::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: "";
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(45, 169, 255, 0.12), transparent 70%);
    border-radius: 50%;
}

.hero-inner {
    position: relative;
    z-index: 2;
    color: #fff;
    text-align: center;
    padding: 60px 20px;
    width: 100%;
}

.hero h1 {
    font-size: 44px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 2px;
    line-height: 1.4;
}

.hero .hero-subtitle {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 35px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 18px;
    justify-content: center;
    margin-bottom: 50px;
}

.hero-btn {
    padding: 13px 38px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    transition: var(--transition);
}

.hero-btn-primary {
    background: #fff;
    color: var(--primary-dark);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.hero-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
}

.hero-btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.7);
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

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

.hero-stats {
    display: flex;
    gap: 60px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.hero-stat .num {
    font-size: 40px;
    font-weight: 700;
    color: #fff;
    line-height: 1;
}

.hero-stat .label {
    font-size: 14px;
    opacity: 0.8;
    margin-top: 8px;
}

/* Page Header (inner pages) */
.page-header {
    background: linear-gradient(135deg, #030B22 0%, #05246E 55%, #0746CE 100%);
    padding: 130px 0 60px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.18), transparent 70%);
    border-radius: 50%;
}

.page-header::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}

.page-header h1 {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
}

.page-header p {
    font-size: 16px;
    opacity: 0.85;
    position: relative;
    z-index: 2;
}

/* ================================
   Products Grid
   ================================ */
.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.product-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

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

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card .icon {
    font-size: 42px;
    margin-bottom: 18px;
}

.product-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.product-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 18px;
}

.product-card .more-link {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.product-card .more-link:hover {
    gap: 10px;
}

/* ================================
   Advantages
   ================================ */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    text-align: center;
    padding: 35px 20px;
    border-radius: var(--radius);
    background: #fff;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.advantage-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.advantage-card .num {
    font-size: 40px;
    font-weight: 700;
    color: var(--primary-light);
    -webkit-text-stroke: 1px var(--primary);
    margin-bottom: 15px;
    line-height: 1;
}

.advantage-card h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
}

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

/* ================================
   Clients
   ================================ */
.clients-section .client-cats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.client-cat {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px;
    transition: var(--transition);
}

.client-cat:hover {
    box-shadow: var(--shadow);
}

.client-cat h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
}

.client-cat ul li {
    padding: 6px 0;
    font-size: 14px;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 8px;
}

.client-cat ul li::before {
    content: "▶";
    color: var(--accent);
    font-size: 10px;
}

.clients-more {
    text-align: center;
    margin-top: 35px;
}

.clients-more a {
    display: inline-block;
    padding: 12px 36px;
    border: 2px solid var(--primary);
    border-radius: 30px;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
}

.clients-more a:hover {
    background: var(--primary);
    color: #fff;
}

/* ================================
   Product Detail (products page)
   ================================ */
.product-detail {
    margin-bottom: 70px;
    scroll-margin-top: 90px;
}

.product-detail-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 40px 0;
    text-align: center;
    border-radius: var(--radius) var(--radius) 0 0;
}

.product-detail-header .tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 13px;
    margin-bottom: 12px;
}

.product-detail-header .product-update {
    display: inline-block;
    font-size: 12px;
    opacity: 0.7;
    margin-left: 10px;
}

.product-detail-header h2 {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-detail-header p {
    font-size: 15px;
    opacity: 0.85;
}

.product-detail-body {
    background: #fff;
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: relative;
    overflow: hidden;
}

/* —— 折叠容器 —— */
.collapse-wrapper .collapse-content {
    padding: 40px;
    max-height: 280px;
    overflow: hidden;
    transition: max-height 0.5s ease;
    position: relative;
}

.collapse-wrapper .collapse-content::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to bottom, transparent, #ffffff);
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.collapse-wrapper.expanded .collapse-content {
    max-height: 2000px;
    transition: max-height 0.8s ease;
}

.collapse-wrapper.expanded .collapse-content::after {
    opacity: 0;
}

/* —— 展开/收起按钮 —— */
.collapse-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 0;
    border-top: 1px solid var(--border);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: linear-gradient(to bottom, #fff, #f8faff);
    transition: background 0.25s ease, color 0.25s ease;
    user-select: none;
}

.collapse-toggle:hover {
    background: linear-gradient(to bottom, #f5f8ff, #eef3fc);
    color: var(--primary-dark);
}

.collapse-toggle .toggle-arrow {
    font-size: 12px;
    transition: transform 0.4s ease;
    display: inline-block;
}

.product-detail-body h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 30px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}

.product-detail-body h3:first-child {
    margin-top: 0;
}

.product-detail-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-main);
    margin: 20px 0 10px;
}

.product-detail-body p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.9;
    margin-bottom: 12px;
}

.product-detail-body ul {
    margin: 10px 0 20px 0;
    padding-left: 8px;
}

.product-detail-body ul li {
    padding: 6px 0 6px 22px;
    font-size: 14px;
    color: var(--text-sub);
    position: relative;
    line-height: 1.8;
}

.product-detail-body ul li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 6px;
    color: var(--accent);
    font-weight: 700;
}

.feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
}

.feature-tag {
    display: inline-block;
    padding: 6px 16px;
    background: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

/* AI Agents grid */
.ai-agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin: 20px 0;
}

.ai-agent-item {
    background: linear-gradient(135deg, var(--primary-light), #f0f7ff);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 18px 14px;
    text-align: center;
    transition: var(--transition);
}

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

.ai-agent-item .ai-icon {
    font-size: 28px;
    margin-bottom: 8px;
}

.ai-agent-item .ai-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 4px;
}

.ai-agent-item .ai-desc {
    font-size: 12px;
    color: var(--text-light);
}

/* Highlight box */
.highlight-box {
    background: linear-gradient(135deg, var(--primary-light), #eef6ff);
    border-radius: var(--radius-sm);
    padding: 24px;
    margin: 20px 0;
    border-left: 4px solid var(--accent);
}

.highlight-box p {
    margin-bottom: 6px;
}

/* Two column */
.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin: 20px 0;
}

.col-card {
    background: var(--bg-gray);
    border-radius: var(--radius-sm);
    padding: 24px;
}

.col-card h4 {
    color: var(--primary-dark) !important;
    margin-bottom: 12px !important;
}

/* Five features grid */
.five-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin: 20px 0;
}

.five-feature-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: var(--transition);
}

.five-feature-item:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
}

.five-feature-item .ff-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.five-feature-item .ff-badge {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 600;
}

.five-feature-item h4 {
    font-size: 17px !important;
    margin: 0 !important;
    color: var(--primary-dark) !important;
}

.five-feature-item .ff-section {
    margin-bottom: 12px;
}

.five-feature-item .ff-section .ff-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.five-feature-item .ff-section p {
    font-size: 14px;
    margin-bottom: 4px;
}

/* ================================
   Cases Page
   ================================ */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.case-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.case-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.case-card-header {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 24px 28px;
}

.case-card-header h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
}

.case-card-header .case-tag {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    padding: 3px 12px;
    border-radius: 12px;
    font-size: 12px;
}

.case-card-body {
    padding: 24px 28px;
}

.case-card-body .case-project {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.case-card-body ul {
    padding-left: 8px;
}

.case-card-body ul li {
    padding: 4px 0 4px 20px;
    font-size: 14px;
    color: var(--text-sub);
    position: relative;
}

.case-card-body ul li::before {
    content: "•";
    position: absolute;
    left: 5px;
    color: var(--accent);
    font-size: 16px;
}

.client-directory {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.client-dir-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.client-dir-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-light);
}

.client-dir-card ul {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 16px;
}

.client-dir-card ul li {
    padding: 5px 0;
    font-size: 14px;
    color: var(--text-sub);
}

.testimonial {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 35px;
    margin-bottom: 24px;
    position: relative;
}

.testimonial::before {
    content: """;
    position: absolute;
    top: 10px;
    left: 15px;
    font-size: 60px;
    color: var(--primary-light);
    font-family: Georgia, serif;
    line-height: 1;
}

.testimonial blockquote {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.9;
    padding-left: 35px;
    margin-bottom: 10px;
    font-style: italic;
}

.testimonial cite {
    display: block;
    padding-left: 35px;
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    font-style: normal;
}

/* ================================
   Contact Page
   ================================ */
.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.contact-info-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 35px 30px;
    text-align: center;
    transition: var(--transition);
}

.contact-info-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.contact-info-card .ci-icon {
    font-size: 36px;
    margin-bottom: 14px;
}

.contact-info-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.contact-info-card p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.8;
}

.contact-detail-section {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 30px;
}

.contact-detail-section h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 20px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}

.org-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.org-card {
    background: var(--bg-gray);
    border-radius: var(--radius-sm);
    padding: 24px 16px;
    text-align: center;
    transition: var(--transition);
}

.org-card:hover {
    background: var(--primary-light);
}

.org-card .org-city {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.org-card .org-dept {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.8;
}

.consult-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.consult-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: var(--bg-gray);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.consult-item:hover {
    background: var(--primary-light);
}

.consult-item .check {
    color: var(--accent);
    font-weight: 700;
    font-size: 18px;
    flex-shrink: 0;
}

.consult-item .ci-text h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-main);
}

.consult-item .ci-text p {
    font-size: 14px;
    color: var(--text-sub);
}

.quote-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 35px 40px;
    border-radius: var(--radius);
    text-align: center;
    margin: 30px 0;
    font-size: 17px;
    font-weight: 600;
    position: relative;
    overflow: hidden;
}

.quote-banner::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -5%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
    border-radius: 50%;
}

/* ================================
   Footer
   ================================ */
.footer {
    background: linear-gradient(180deg, #050D24 0%, #030B22 100%);
    color: rgba(226, 240, 255, 0.72);
    padding: 50px 0 25px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 35px;
    padding-bottom: 35px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.footer-brand .footer-logo .logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    font-weight: 700;
}

.footer-brand .footer-logo span {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
}

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

.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 16px;
}

.footer-col ul li {
    padding: 5px 0;
}

.footer-col ul li a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
}

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

.footer-tel {
    color: #38BDF8 !important;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.footer-tel:hover {
    color: #7DD3FC !important;
}

/* ---- 企业宣传视频展示区 ---- */
.section-videos {
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
    padding: 78px 0 80px;
    position: relative;
}

.section-videos::before {
    content: "";
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    border-radius: 0 0 4px 4px;
    background: linear-gradient(90deg, #38BDF8, #0746CE);
}

/* 区块标题：去掉大标题，以宣传语为主，大小适中不突兀 */
.section-videos .section-title h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0;
    letter-spacing: 0.5px;
}

.section-videos .section-title h2 .vf-heading-sub {
    font-size: 16px;
    font-weight: 400;
    color: var(--text-light);
    margin-left: 8px;
    letter-spacing: 0;
}

@media (max-width: 768px) {
    .section-videos .section-title h2 {
        font-size: 20px;
    }
    .section-videos .section-title h2 .vf-heading-sub {
        display: block;
        margin: 6px 0 0;
        font-size: 14px;
    }
}

.vf-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-top: 40px;
}

.vf-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 28px rgba(7, 70, 206, 0.08);
    cursor: pointer;
    transition: transform 0.32s ease, box-shadow 0.32s ease, border-color 0.32s ease;
    border: 1px solid rgba(56, 189, 248, 0.16);
    display: flex;
    flex-direction: column;
}

.vf-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 42px rgba(7, 70, 206, 0.18);
    border-color: #38BDF8;
}

.vf-thumb {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    isolation: isolate;
}

.vf-thumb-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.vf-thumb-bg-1 {
    background: linear-gradient(135deg, #030B22 0%, #0746CE 55%, #0A5AF5 100%);
}

.vf-thumb-bg-2 {
    background: linear-gradient(135deg, #062B72 0%, #38BDF8 60%, #0EA5E9 100%);
}


.vf-thumb-img {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

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

.vf-thumb-scrim {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(180deg, rgba(3, 11, 34, 0) 38%, rgba(3, 11, 34, 0.62) 100%);
    transition: background 0.3s ease;
    pointer-events: none;
}

.vf-card:hover .vf-thumb-scrim {
    background: linear-gradient(180deg, rgba(7, 70, 206, 0.18) 0%, rgba(3, 11, 34, 0.72) 100%);
}

.vf-play {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(3, 11, 34, 0.12), rgba(7, 70, 206, 0.28));
    transition: background 0.3s ease;
}

.vf-card:hover .vf-play {
    background: linear-gradient(135deg, rgba(7, 70, 206, 0.42), rgba(56, 189, 248, 0.32));
}

.vf-play-btn {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.96);
    color: #0746CE;
    display: inline-block;
    position: relative;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.32), inset 0 0 0 1px rgba(255, 255, 255, 0.6);
    transition: transform 0.3s ease;
}

.vf-play-btn::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 0;
    height: 0;
    margin-left: 5px;
    margin-top: -11px;
    border-left: 18px solid currentColor;
    border-top: 11px solid transparent;
    border-bottom: 11px solid transparent;
}

.vf-card:hover .vf-play-btn {
    transform: scale(1.1);
}

.vf-dur {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 4;
    background: rgba(0, 0, 0, 0.62);
    color: #fff;
    font-size: 12px;
    padding: 3px 9px;
    border-radius: 5px;
    letter-spacing: 0.5px;
    font-family: 'DIN Alternate', 'Bahnschrift', Arial, sans-serif;
    backdrop-filter: blur(4px);
}

.vf-meta {
    padding: 18px 20px 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.vf-meta-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 12.5px;
    color: var(--text-light);
}

.vf-cat-badge {
    display: inline-flex;
    align-items: center;
    background: linear-gradient(135deg, #f59e0b, #ea580c);
    color: #fff;
    padding: 3px 10px;
    border-radius: 5px;
    font-weight: 700;
    font-size: 11px;
    letter-spacing: 0.5px;
}

.vf-meta h4 {
    margin: 2px 0 0;
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
}

.vf-card:hover h4 {
    color: var(--primary);
}

.vf-desc {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.7;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.vf-more {
    text-align: center;
    margin-top: 38px;
}

.vf-more .more-link {
    font-size: 15px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 10px 22px;
    border: 1px solid rgba(7, 70, 206, 0.22);
    border-radius: 30px;
    transition: all 0.28s ease;
}

.vf-more .more-link:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .vf-grid { grid-template-columns: 1fr; gap: 20px; }
    .section-videos { padding: 56px 0 58px; }
}

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

/* ================================
   Responsive
   ================================ */
@media (max-width: 992px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 10px 0;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

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

    .nav-menu > li {
        width: 100%;
    }

    .nav-menu > li > a {
        display: block;
        padding: 12px 20px;
        border-radius: 0;
    }

    .nav-toggle {
        display: block;
    }

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

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

    .hero-stats {
        gap: 30px;
    }

    .hero-stat .num {
        font-size: 30px;
    }

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

    .cases-grid,
    .client-directory,
    .contact-info-grid {
        grid-template-columns: 1fr;
    }

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

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

@media (max-width: 576px) {
    .section {
        padding: 50px 0;
    }

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

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

    .hero-btns {
        flex-direction: column;
        gap: 12px;
    }

    .hero-btn {
        display: block;
    }

    .products-grid,
    .advantages-grid,
    .consult-grid {
        grid-template-columns: 1fr;
    }

    .client-cats {
        grid-template-columns: 1fr;
    }

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

    .collapse-wrapper .collapse-content {
        padding: 24px 18px;
        max-height: 220px;
    }

    .two-col {
        grid-template-columns: 1fr;
    }

    .stats-bar {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .adv-8-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }

    .video-grid,
    .news-list {
        grid-template-columns: 1fr !important;
    }
}

/* ================================
   About Page (公司简介)
   ================================ */
.about-intro {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    margin-bottom: 30px;
}

.about-intro h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin: 26px 0 14px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}

.about-intro h3:first-child {
    margin-top: 0;
}

.about-intro p {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 2;
    margin-bottom: 10px;
}

.about-intro .intro-quote {
    background: linear-gradient(135deg, var(--primary-light), #eef6ff);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    font-size: 15px;
    color: var(--text-main);
    line-height: 1.9;
    margin-top: 20px;
}

.stats-bar {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.stat-box {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: var(--radius);
    padding: 28px 12px;
    text-align: center;
    color: #fff;
    transition: var(--transition);
}

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

.stat-box .stat-num {
    font-size: 34px;
    font-weight: 700;
    line-height: 1.2;
}

.stat-box .stat-label {
    font-size: 13px;
    opacity: 0.85;
    margin-top: 6px;
}

.adv-8-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.adv-8-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 22px;
    text-align: center;
    transition: var(--transition);
}

.adv-8-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: transparent;
}

.adv-8-item .adv-icon {
    font-size: 36px;
    margin-bottom: 12px;
}

.adv-8-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 8px;
}

.adv-8-item p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.7;
}

/* ================================
   Company News Page (公司动态)
   ================================ */
.news-tabs {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.news-tab {
    display: inline-block;
    padding: 9px 26px;
    border: 2px solid var(--border);
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-sub);
    cursor: pointer;
    transition: var(--transition);
    background: #fff;
}

.news-tab:hover,
.news-tab.active {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.video-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}

.video-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.video-thumb {
    height: 190px;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--accent));
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
}

.video-thumb .play-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.video-card:hover .play-btn {
    background: var(--accent);
    border-color: #fff;
    transform: scale(1.1);
}

.video-thumb .video-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 4px;
    font-family: Consolas, monospace;
}

.video-thumb .video-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.35);
}

.video-body {
    padding: 22px 24px;
}

.video-body h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
    color: var(--text-main);
}

.video-body p {
    font-size: 13px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 12px;
}

.video-meta {
    font-size: 12px;
    color: var(--text-light);
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
}

.news-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.news-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.news-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: var(--accent);
}

.news-card .news-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 16px;
    margin-bottom: 14px;
}

.news-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    line-height: 1.5;
}

.news-card p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.8;
    margin-bottom: 16px;
}

.news-card .news-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

.news-card .news-date {
    font-size: 13px;
    color: var(--text-light);
}

.news-card .news-more {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
}

.news-card .news-more:hover {
    text-decoration: underline;
}

@media (max-width: 992px) {
    .stats-bar {
        grid-template-columns: repeat(3, 1fr);
    }

    .adv-8-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .news-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }

    .adv-8-grid {
        grid-template-columns: 1fr;
    }

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

    .about-intro {
        padding: 24px 18px;
    }
}

/* ================================
   News Tabs & Modals (公司动态-分页签/弹窗)
   ================================ */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.video-thumb {
    cursor: pointer;
}

/* ---- 公司动态-双Tab卡片网格 ---- */
.news-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.list-empty {
    padding: 60px 20px;
    text-align: center;
    font-size: 14px;
    color: var(--text-light);
    background: #fff;
    border: 1px dashed var(--border);
    border-radius: 12px;
}

.list-error {
    padding: 50px 20px;
    text-align: center;
    color: #c0392b;
    background: #fff;
    border-radius: 12px;
    grid-column: 1 / -1;
}

/* ---- 卡片（视频/文章共用） ---- */
.n-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px 18px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    cursor: pointer;
    transition: var(--transition);
    box-sizing: border-box;
}

.n-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-3px);
    border-color: var(--accent);
}

.n-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.n-type {
    display: inline-flex;
    align-items: center;
    font-size: 11px;
    font-weight: 700;
    color: #fff;
    padding: 3px 10px;
    border-radius: 5px;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.n-type.t-video {
    background: linear-gradient(135deg, #f59e0b, #ea580c);
}

.n-type.t-article {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.n-date {
    font-size: 12px;
    color: var(--text-light);
    white-space: nowrap;
}

.n-title {
    margin: 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-main);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 45px;
    transition: color 0.2s ease;
}

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

.n-desc {
    margin: 0;
    font-size: 12.5px;
    line-height: 1.65;
    color: var(--text-sub);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.n-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px dashed var(--border);
}

.n-cat {
    font-size: 11px;
    font-weight: 600;
    color: var(--primary-dark);
    background: var(--primary-light);
    border-radius: 12px;
    padding: 2px 11px;
    white-space: nowrap;
}

.n-more {
    font-size: 12px;
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
}

.n-item:hover .n-more {
    text-decoration: underline;
}

/* ---- 响应式 ---- */
@media (max-width: 992px) {
    .news-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .news-list {
        grid-template-columns: 1fr;
    }
    .news-tabs {
        width: 100%;
    }
    .news-tab {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* ---- 视频弹窗 ---- */
.video-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.video-modal.active {
    display: flex;
}

.modal-desc {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.85);
    margin: 0 auto 14px;
    max-width: 640px;
    text-align: left;
}

.video-modal .modal-content {
    background: #1a2233;
    border-radius: 12px;
    width: 100%;
    max-width: 900px;
    padding: 24px 24px 20px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.video-modal .modal-close {
    position: absolute;
    top: -16px;
    right: -16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
    border: none;
    font-size: 22px;
    line-height: 1;
    color: var(--text-main, #1f2d3d);
    cursor: pointer;
    box-shadow: var(--shadow, 0 4px 16px rgba(0,0,0,0.2));
    transition: var(--transition, all .3s);
}

.video-modal .modal-close:hover {
    background: var(--accent, #00b894);
    color: #fff;
    transform: rotate(90deg);
}

.video-modal h3 {
    color: #fff;
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 16px;
    padding-right: 20px;
}

.video-modal .modal-video {
    background: #000;
    border-radius: 8px;
    overflow: hidden;
}

.video-modal .modal-video video {
    display: block;
    width: 100%;
    max-height: 70vh;
}

/* ---- 文章弹窗 ---- */
.article-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1900;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.article-modal.active {
    display: flex;
}

.article-modal .article-modal-content {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 820px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 40px 44px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.article-modal .article-modal-close {
    position: absolute;
    top: 16px;
    right: 20px;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-gray, #f5f7fa);
    border: none;
    font-size: 20px;
    line-height: 1;
    color: var(--text-main, #1f2d3d);
    cursor: pointer;
    transition: var(--transition, all .3s);
}

.article-modal .article-modal-close:hover {
    background: var(--accent, #00b894);
    color: #fff;
}

.article-modal .article-modal-header h3 {
    font-size: 21px;
    font-weight: 700;
    color: var(--text-main, #1f2d3d);
    line-height: 1.5;
    margin-bottom: 12px;
    padding-right: 44px;
}

.article-modal .article-modal-meta {
    display: flex;
    gap: 14px;
    align-items: center;
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border, #e8ecf1);
    font-size: 13px;
    color: var(--text-light, #8a94a6);
}

.article-modal .article-modal-meta span:first-child {
    background: var(--primary-light, #e6f0ff);
    color: var(--primary-dark, #0d47a1);
    font-weight: 700;
    padding: 3px 14px;
    border-radius: 14px;
}

.article-modal .article-modal-body {
    font-size: 15px;
    color: var(--text-sub, #5a6472);
    line-height: 1.9;
}

.article-modal .article-modal-body p {
    margin-bottom: 16px;
}

.article-modal .article-modal-body strong {
    color: var(--text-main, #1f2d3d);
}

/* 文章正文富文本元素（后台富文本编辑器产出的内容） */
.article-modal .article-modal-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 12px 0;
    display: block;
}
.article-modal .article-modal-body h2 {
    font-size: 20px;
    color: var(--text-main, #1f2d3d);
    margin: 22px 0 10px;
    line-height: 1.4;
}
.article-modal .article-modal-body h3 {
    font-size: 17px;
    color: var(--text-main, #1f2d3d);
    margin: 18px 0 8px;
    line-height: 1.4;
}
.article-modal .article-modal-body h4 {
    font-size: 15px;
    color: var(--text-main, #1f2d3d);
    margin: 14px 0 6px;
}
.article-modal .article-modal-body ul,
.article-modal .article-modal-body ol {
    padding-left: 24px;
    margin: 10px 0 16px;
}
.article-modal .article-modal-body li { margin: 4px 0; }
.article-modal .article-modal-body blockquote {
    border-left: 3px solid var(--primary, #0746CE);
    background: rgba(7, 70, 206, 0.06);
    padding: 10px 14px;
    margin: 14px 0;
    border-radius: 0 6px 6px 0;
    color: #5a6a7d;
}
.article-modal .article-modal-body pre {
    background: #f4f6fa;
    border: 1px solid var(--border, #e3e8ef);
    border-radius: 6px;
    padding: 12px 14px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    overflow-x: auto;
    white-space: pre-wrap;
    margin: 12px 0;
}
.article-modal .article-modal-body a { color: var(--primary, #0746CE); }
.article-modal .article-modal-body hr { border: none; border-top: 1px dashed #c3d0e2; margin: 18px 0; }

/* 产品详情 · 富文本块（后台富文本编辑器产出） */
.product-detail-body .rich-block { margin: 14px 0; }
.product-detail-body .rich-block img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 12px 0;
    display: block;
    box-shadow: 0 4px 16px rgba(7, 70, 206, 0.08);
}
.product-detail-body .rich-block h2 {
    font-size: 22px;
    margin: 24px 0 12px;
    color: var(--text-main, #1f2d3d);
    line-height: 1.4;
}
.product-detail-body .rich-block h3 { margin: 20px 0 10px; line-height: 1.4; }
.product-detail-body .rich-block h4 { margin: 16px 0 8px; line-height: 1.4; }
.product-detail-body .rich-block p { margin: 10px 0; }
.product-detail-body .rich-block ul,
.product-detail-body .rich-block ol { padding-left: 26px; margin: 10px 0; }
.product-detail-body .rich-block li { margin: 4px 0; }
.product-detail-body .rich-block blockquote {
    border-left: 3px solid var(--primary, #0746CE);
    background: rgba(7, 70, 206, 0.06);
    padding: 12px 16px;
    margin: 14px 0;
    border-radius: 0 8px 8px 0;
    color: #5a6a7d;
}
.product-detail-body .rich-block pre {
    background: #f4f6fa;
    border: 1px solid var(--border, #e3e8ef);
    border-radius: 8px;
    padding: 14px 16px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 13px;
    overflow-x: auto;
    white-space: pre-wrap;
    margin: 12px 0;
}
.product-detail-body .rich-block a { color: var(--primary, #0746CE); }
.product-detail-body .rich-block hr { border: none; border-top: 1px dashed #c3d0e2; margin: 20px 0; }

@media (max-width: 576px) {
    .video-modal .modal-content,
    .article-modal .article-modal-content {
        padding: 18px 16px;
    }

    .article-modal .article-modal-content {
        padding-top: 32px;
    }
}


/* ===== 正式 Logo 适配（原版上下结构）===== */
.nav-logo { gap: 0; }
.nav-logo > img {
    display: block;
    height: auto;
    max-height: 50px;
    width: auto;
}
.nav-logo .logo-icon,
.nav-logo .logo-text { display: none; }

.footer-brand .footer-logo {
    display: block;
    margin-bottom: 20px;
}
.footer-brand .footer-logo > img {
    display: block;
    height: auto;
    max-height: 88px;
    max-width: 200px;
    width: auto;
    margin: 0 auto 8px;
}
.footer-brand .footer-logo .logo-icon,
.footer-brand .footer-logo span { display: none; }

/* ---- 公司口号 Slogan ---- */
.nav-logo .nav-slogan {
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 1.5px;
    white-space: nowrap;
}

.footer-brand .footer-slogan {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    letter-spacing: 3px;
    margin: -14px 0 16px;
    opacity: 0.95;
}

@media (max-width: 480px) {
    .nav-logo .nav-slogan { display: none; }
    .footer-brand .footer-slogan { letter-spacing: 2px; }
}

/* ================================
   v2 政务信赖风重设计（首页先行）
   ================================ */

/* ---- Hero 非对称布局 ---- */
.hero-v2 {
    background: linear-gradient(135deg, #030B22 0%, #062B72 55%, #0746CE 100%);
    padding: 150px 0 100px;
    position: relative;
    overflow: hidden;
}

.hero-v2::before {
    content: "";
    position: absolute;
    top: -200px;
    right: -140px;
    width: 640px;
    height: 640px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(56, 189, 248, 0.22), transparent 65%);
}

.hero-v2::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(56, 189, 248, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.05) 1px, transparent 1px);
    background-size: 44px 44px;
    pointer-events: none;
}

.hero-v2 .container {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-v2 .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.35);
    color: #E6F4FF !important;
    padding: 7px 18px;
    border-radius: 20px;
    backdrop-filter: blur(6px);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 22px;
}

.hero-v2 .hero-badge::before {
    content: "";
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #38BDF8;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.9);
}

.hero-v2 h1 {
    font-size: 42px;
    font-weight: 700;
    color: #fff !important;
    line-height: 1.35;
    margin-bottom: 18px;
    letter-spacing: 1px;
    text-shadow: 0 4px 30px rgba(3, 11, 34, 0.55);
}

.hero-v2 h1 .grad-text {
    background: linear-gradient(90deg, #38BDF8, #7DD3FC 55%, #A5E4FF);
    -webkit-background-clip: text !important;
    background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    color: transparent !important;
}

.hero-v2 .hero-subtitle {
    font-size: 17px;
    color: rgba(235, 245, 255, 0.95) !important;
    margin-bottom: 34px;
    line-height: 1.8;
}

.hero-v2 .hero-btns {
    display: flex;
    gap: 16px;
    justify-content: flex-start;
    margin-bottom: 0;
}

.hero-v2 .hero-btn-primary {
    background: linear-gradient(135deg, #0746CE 0%, #2E7FF0 100%);
    color: #fff;
    box-shadow: 0 8px 26px rgba(7, 70, 206, 0.5);
}

.hero-v2 .hero-btn-primary:hover {
    background: linear-gradient(135deg, #052E8C 0%, #0746CE 100%);
    transform: translateY(-3px);
    box-shadow: 0 12px 34px rgba(56, 189, 248, 0.45);
}

.hero-v2 .hero-btn-outline {
    border: 2px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(6px);
}

.hero-v2 .hero-btn-outline:hover {
    border-color: #38BDF8;
    background: rgba(56, 189, 248, 0.12);
    color: #fff;
}

/* ---- Hero 咨询热线 ---- */
.hero-v2 .hero-contact {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 26px;
    flex-wrap: wrap;
}

.hero-v2 .hero-contact .hc-ico {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(56, 189, 248, 0.16);
    border: 1px solid rgba(56, 189, 248, 0.42);
    color: #38BDF8;
}

.hero-v2 .hero-contact .hc-label {
    font-size: 14px;
    color: rgba(235, 245, 255, 0.72);
    letter-spacing: 2px;
}

.hero-v2 .hero-contact .hc-num {
    font-size: 22px;
    font-weight: 700;
    color: #38BDF8;
    letter-spacing: 1px;
    font-family: 'DIN Alternate', 'Bahnschrift', Arial, sans-serif;
    transition: var(--transition);
}

.hero-v2 .hero-contact .hc-num:hover {
    color: #7DD3FC;
    text-shadow: 0 0 16px rgba(56, 189, 248, 0.6);
}

/* ---- Hero 数据卡片 ---- */
.hero-data-card {
    background: rgba(8, 24, 56, 0.5);
    border: 1px solid rgba(56, 189, 248, 0.28);
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 20px 60px rgba(3, 11, 34, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(14px);
}

.hero-data-card .hero-data-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 22px;
}

.hero-data-card .hd-dot {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    background: #38BDF8;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.8);
}

.hero-data-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px 16px;
}

.hero-data-item .num {
    font-size: 36px;
    font-weight: 700;
    color: #38BDF8;
    line-height: 1;
    font-family: "DIN Alternate", "Arial", sans-serif;
    text-shadow: 0 0 24px rgba(56, 189, 248, 0.45);
}

.hero-data-item .label {
    font-size: 13px;
    color: rgba(226, 240, 255, 0.68);
    margin-top: 7px;
}

.hero-data-footer {
    margin-top: 22px;
    padding-top: 16px;
    border-top: 1px dashed rgba(56, 189, 248, 0.3);
    font-size: 13px;
    color: rgba(226, 240, 255, 0.72);
    display: flex;
    align-items: center;
    gap: 7px;
}

.hero-data-footer::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #4ADE80;
    box-shadow: 0 0 8px rgba(74, 222, 128, 0.7);
    flex-shrink: 0;
}

/* ---- 区块 eyebrow 标签 ---- */
.section-eyebrow {
    display: block;
    font-size: 12px;
    letter-spacing: 3px;
    color: #0746CE;
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
}

/* ---- 图标容器（SVG 线性图标）---- */
.icon-box {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: #E8F0FE;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    color: #0746CE;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.icon-box svg {
    width: 28px;
    height: 28px;
}

.icon-box.icon-box-sm {
    width: 48px;
    height: 48px;
    border-radius: 12px;
}

.icon-box.icon-box-sm svg {
    width: 24px;
    height: 24px;
}

.product-card:hover .icon-box {
    background: linear-gradient(135deg, #0746CE, #2E7FF0);
    color: #fff;
    transform: scale(1.06);
    box-shadow: 0 8px 22px rgba(7, 70, 206, 0.35);
}

/* ---- 优势卡 v2 ---- */
.advantage-card-v2 {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px 26px;
    text-align: left;
    transition: var(--transition);
    overflow: hidden;
}

.advantage-card-v2:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
    border-color: transparent;
}

.advantage-card-v2 .adv-water {
    position: absolute;
    top: 12px;
    right: 16px;
    font-size: 46px;
    font-weight: 700;
    color: #E8F0FE;
    line-height: 1;
    font-family: "DIN Alternate", "Arial", sans-serif;
    transition: color 0.3s ease;
}

.advantage-card-v2:hover .adv-water {
    color: #A8C8F7;
}

.advantage-card-v2 h3 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #06183F;
}

.advantage-card-v2 p {
    font-size: 14px;
    color: var(--text-sub);
    line-height: 1.7;
    margin: 0;
}

/* ---- 客户标识墙 ---- */
.client-group-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 14px;
    font-weight: 600;
    color: #0746CE;
    margin: 30px 0 18px;
}

.client-group-label:first-of-type {
    margin-top: 0;
}

.client-group-label::before,
.client-group-label::after {
    content: "";
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, #38BDF8, transparent);
}

.client-wall {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    max-width: 960px;
    margin: 0 auto;
}

.client-chip {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    background: #fff;
    border: 1px solid var(--border);
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 13.5px;
    color: #444;
    transition: var(--transition);
}

.client-chip::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 2px;
    background: #B9D3FA;
    transition: var(--transition);
    flex-shrink: 0;
}

.client-chip:hover {
    border-color: #0746CE;
    box-shadow: 0 4px 16px rgba(7, 70, 206, 0.12);
    transform: translateY(-2px);
    color: #0746CE;
}

.client-chip:hover::before {
    background: #0746CE;
}

/* ---- v2 响应式 ---- */
@media (max-width: 992px) {
    .hero-v2 {
        padding: 120px 0 70px;
    }

    .hero-v2 .container {
        grid-template-columns: 1fr;
        gap: 44px;
    }

    .hero-v2 h1 {
        font-size: 32px;
    }

    .hero-v2 .hero-btns {
        justify-content: flex-start;
    }
}

@media (max-width: 576px) {
    .hero-v2 {
        padding: 110px 0 60px;
    }

    .hero-v2 h1 {
        font-size: 26px;
    }

    .hero-v2 .hero-subtitle {
        font-size: 15px;
    }

    .hero-data-card {
        padding: 24px 20px;
    }

    .hero-data-grid {
        gap: 16px 12px;
    }

    .hero-data-item .num {
        font-size: 28px;
    }
}

/* ================================
   v3 旗舰版（A+C 组合升级）
   ================================ */

/* ---------- 通用滚动渐显 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity .7s ease, transform .7s cubic-bezier(.22,.61,.36,1); will-change: opacity, transform; }
.reveal.visible { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .12s; }
.reveal[data-delay="2"] { transition-delay: .24s; }
.reveal[data-delay="3"] { transition-delay: .36s; }
.reveal.reveal-left { transform: translateX(-40px); }
.reveal.reveal-right { transform: translateX(40px); }
.reveal.reveal-zoom { transform: scale(.92); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- Hero 粒子背景层 ---------- */
#hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 0; }
.hero-v2 .container { position: relative; z-index: 1; }

/* ---------- 数据亮灯条 ---------- */
.data-strip { background: linear-gradient(135deg, #041E4E 0%, #0746CE 60%, #0A5AF5 100%); color: #fff; padding: 36px 0; position: relative; overflow: hidden; }
.data-strip::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(56,189,248,.16) 1px, transparent 1px); background-size: 22px 22px; }
.data-strip .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; position: relative; }
.data-strip-item { flex: 1 1 150px; text-align: center; position: relative; }
.data-strip-item + .data-strip-item::before { content: ''; position: absolute; left: -9px; top: 15%; height: 70%; width: 1px; background: rgba(255,255,255,.22); }
.data-strip-item .num { font-size: 38px; font-weight: 700; font-family: 'DIN Alternate', 'Bahnschrift', Arial, sans-serif; color: #fff; line-height: 1.15; }
.data-strip-item .num .sfx { color: #38BDF8; }
.data-strip-item .label { font-size: 13px; color: rgba(255,255,255,.78); margin-top: 4px; letter-spacing: 2px; }

/* ---------- 行业解决方案 ---------- */
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.solution-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 36px 30px; position: relative; overflow: hidden; transition: var(--transition); }
.solution-card::after { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), var(--accent)); transform: scaleX(0); transform-origin: left; transition: transform .35s ease; }
.solution-card:hover::after { transform: scaleX(1); }
.solution-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-color: rgba(7,70,206,.25); }
.solution-card .icon-box { margin-bottom: 18px; }
.solution-card h3 { font-size: 20px; margin-bottom: 12px; color: var(--text-main); }
.solution-card p { font-size: 14px; color: var(--text-sub); margin-bottom: 18px; }
.solution-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.solution-tag { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 4px 12px; border-radius: 99px; }

/* ---------- 成功案例精选 ---------- */
.case-feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.case-feature-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 30px; display: flex; flex-direction: column; transition: var(--transition); }
.case-feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
.case-feature-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 14px; }
.case-feature-top .org { font-size: 17px; font-weight: 600; }
.case-feature-tag { font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 3px 10px; border-radius: 99px; white-space: nowrap; }
.case-feature-card .project { font-size: 14px; color: var(--primary); margin-bottom: 12px; font-weight: 500; }
.case-feature-list { flex: 1; }
.case-feature-list li { font-size: 13.5px; color: var(--text-sub); padding-left: 18px; position: relative; margin-bottom: 7px; line-height: 1.6; }
.case-feature-list li::before { content: ''; position: absolute; left: 0; top: 9px; width: 8px; height: 8px; border-radius: 2px; background: var(--accent); }
.case-feature-metrics { display: flex; gap: 10px; margin-top: 16px; padding-top: 16px; border-top: 1px dashed var(--border); }
.metric-pill { flex: 1; background: var(--bg-gray); border-radius: 10px; padding: 10px 12px; text-align: center; }
.metric-pill b { display: block; font-size: 19px; color: var(--primary); font-family: 'DIN Alternate', 'Bahnschrift', Arial, sans-serif; line-height: 1.3; }
.metric-pill span { font-size: 11.5px; color: var(--text-light); }

/* ---------- 发展历程时间轴 ---------- */
.timeline { position: relative; max-width: 1000px; margin: 0 auto; padding: 10px 0; }
.timeline::before { content: ''; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--primary) 0%, var(--accent) 100%); transform: translateX(-50%); }
.timeline-item { position: relative; width: 50%; padding: 0 44px 38px; }
.timeline-item:nth-child(odd) { left: 0; text-align: right; }
.timeline-item:nth-child(even) { left: 50%; }
.timeline-dot { position: absolute; top: 6px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 4px solid var(--primary); box-shadow: 0 0 0 5px rgba(7,70,206,.12); z-index: 1; }
.timeline-item:nth-child(odd) .timeline-dot { right: -8px; }
.timeline-item:nth-child(even) .timeline-dot { left: -8px; }
.timeline-year { font-size: 24px; font-weight: 700; color: var(--primary); font-family: 'DIN Alternate', 'Bahnschrift', Arial, sans-serif; line-height: 1.2; }
.timeline-card { display: inline-block; text-align: left; background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 16px 20px; margin-top: 8px; box-shadow: var(--shadow); }
.timeline-card h4 { font-size: 15.5px; margin-bottom: 5px; }
.timeline-card p { font-size: 13px; color: var(--text-sub); line-height: 1.6; }

/* ---------- 荣誉资质墙 ---------- */
.honor-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.honor-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 28px 24px; text-align: center; transition: var(--transition); }
.honor-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(7,70,206,.25); }
.honor-icon { width: 58px; height: 58px; margin: 0 auto 14px; border-radius: 14px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.honor-icon svg { width: 28px; height: 28px; }
.honor-card h4 { font-size: 15.5px; margin-bottom: 6px; }
.honor-card p { font-size: 12.5px; color: var(--text-light); }

/* ---------- 软件著作权证书墙 ---------- */
.certs-block { margin-bottom: 46px; }
.certs-title { text-align: center; margin-bottom: 34px; }
.certs-tag {
    display: inline-block;
    padding: 6px 18px;
    border-radius: 30px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.certs-title h3 { font-size: 26px; font-weight: 700; margin-bottom: 10px; color: var(--text-dark); }
.certs-title p { font-size: 14.5px; color: var(--text-light); }
.certs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.cert-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px 12px 16px;
    text-align: center;
    transition: var(--transition);
}
.cert-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(7,70,206,.22);
}
.cert-img {
    border-radius: 8px;
    overflow: hidden;
    background: var(--primary-light);
    margin-bottom: 12px;
    aspect-ratio: 3 / 4;
    display: flex;
    align-items: center;
    justify-content: center;
}
.cert-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    display: block;
}
.cert-card figcaption {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.45;
    margin-bottom: 5px;
}
.cert-card .cert-no {
    font-size: 11.5px;
    color: var(--text-light);
    letter-spacing: 0.3px;
}

/* ---------- 客户信赖之选（保留） ---------- */
.honor-trust {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px;
    padding: 30px 34px;
    display: flex;
    align-items: center;
    gap: 22px;
    color: #fff;
}
.honor-trust-icon {
    flex: 0 0 58px;
    width: 58px;
    height: 58px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.18);
    display: flex;
    align-items: center;
    justify-content: center;
}
.honor-trust-icon svg { width: 30px; height: 30px; }
.honor-trust-text h4 { font-size: 19px; font-weight: 700; margin-bottom: 5px; }
.honor-trust-text p { font-size: 14px; opacity: 0.92; }
.honor-trust-text { flex: 1; min-width: 0; }
.honor-trust-divider {
    width: 1px;
    height: 46px;
    background: rgba(255, 255, 255, 0.25);
    flex: 0 0 auto;
    margin-left: 4px;
}
.honor-trust-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}
.honor-badge-star {
    font-size: 30px;
    line-height: 1;
    color: #ffd76a;
    flex: 0 0 auto;
}
.honor-badge-text strong {
    display: block;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 3px;
}
.honor-badge-text span {
    display: block;
    font-size: 12px;
    opacity: 0.85;
}
.honor-trust-more {
    margin-left: auto;
    flex: 0 0 auto;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.35);
    padding: 9px 18px;
    border-radius: 24px;
    transition: var(--transition);
    white-space: nowrap;
}
.honor-trust-more:hover { background: #fff; color: var(--primary); border-color: #fff; }

/* ---------- 荣誉奖牌（客户信赖之选下方） ---------- */
.award-block {
    margin-top: 34px;
    display: flex;
    justify-content: center;
}
.award-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 26px 26px 22px;
    max-width: 640px;
    width: 100%;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transition: var(--transition);
}
.award-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.award-img {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #ececec;
    background: #f7f7f7;
}
.award-img img { width: 100%; height: auto; display: block; }
.award-card figcaption {
    margin-top: 18px;
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
}
.award-no {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-light);
}

@media (max-width: 992px) {
    .certs-grid { grid-template-columns: repeat(3, 1fr); }
    .honor-trust { flex-direction: column; text-align: center; }
    .honor-trust-divider { width: 60px; height: 1px; margin: 2px auto; }
    .honor-trust-badge { justify-content: center; }
    .honor-trust-more { margin: 12px auto 0; }
}
@media (max-width: 768px) {
    .certs-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 576px) {
    .certs-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .certs-title h3 { font-size: 22px; }
    .cert-card { padding: 8px 8px 12px; }
    .cert-card figcaption { font-size: 12px; }
    .cert-card .cert-no { font-size: 10.5px; }
}

/* ---------- 客户证言 ---------- */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.quote-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; padding: 30px; position: relative; transition: var(--transition); }
.quote-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.quote-mark { font-size: 56px; line-height: 1; color: var(--primary-light); font-family: Georgia, serif; position: absolute; top: 12px; right: 22px; }
.quote-text { font-size: 14.5px; color: var(--text-sub); line-height: 1.85; position: relative; z-index: 1; }
.quote-user { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 16px; border-top: 1px dashed var(--border); }
.quote-avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 600; flex-shrink: 0; }
.quote-user .name { font-size: 14px; font-weight: 600; }
.quote-user .role { font-size: 12px; color: var(--text-light); }

/* ---------- 最新动态（首页） ---------- */
.news-home-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.news-home-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 26px; display: flex; flex-direction: column; transition: var(--transition); }
.news-home-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(7,70,206,.25); }
.news-home-card .cat { align-self: flex-start; font-size: 12px; color: var(--primary); background: var(--primary-light); padding: 3px 10px; border-radius: 99px; margin-bottom: 12px; }
.news-home-card h4 { font-size: 16px; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-home-card p { font-size: 13.5px; color: var(--text-sub); flex: 1; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-home-card .date { font-size: 12px; color: var(--text-light); margin-top: 14px; }
.news-home-more { text-align: center; margin-top: 34px; }

/* ---------- CTA 行动条 ---------- */
.cta-band { background: linear-gradient(120deg, #041E4E 0%, #0746CE 60%, #0A5AF5 100%); border-radius: 20px; padding: 56px 60px; color: #fff; position: relative; overflow: hidden; display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.cta-band::before { content: ''; position: absolute; right: -80px; top: -80px; width: 280px; height: 280px; border-radius: 50%; border: 40px solid rgba(56,189,248,.14); }
.cta-band::after { content: ''; position: absolute; left: -60px; bottom: -100px; width: 220px; height: 220px; border-radius: 50%; border: 30px solid rgba(255,255,255,.06); }
.cta-band h2 { font-size: 30px; margin-bottom: 10px; position: relative; z-index: 1; }
.cta-band p { color: rgba(255,255,255,.78); font-size: 15px; position: relative; z-index: 1; }
.cta-actions { display: flex; gap: 14px; position: relative; z-index: 1; flex-wrap: wrap; }
.cta-btn { display: inline-block; padding: 14px 34px; border-radius: 99px; font-size: 15px; font-weight: 600; transition: var(--transition); }
.cta-btn-primary { background: #fff; color: var(--primary); }
.cta-btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0,0,0,.25); }
.cta-btn-ghost { border: 1.5px solid rgba(255,255,255,.55); color: #fff; }
.cta-btn-ghost:hover { background: rgba(255,255,255,.12); border-color: #fff; }

/* ---------- 客户墙跑马灯 ---------- */
.marquee { overflow: hidden; position: relative; -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee-track { display: flex; width: max-content; animation: marquee 42s linear infinite; padding: 6px 0; }
.marquee-track > * { margin-right: 14px; }
.marquee:hover .marquee-track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .marquee-track { animation: none; flex-wrap: wrap; width: auto; } }

/* ---------- 通用"更多"按钮 ---------- */
.btn-more { display: inline-block; padding: 12px 32px; border-radius: 99px; border: 1.5px solid var(--primary); color: var(--primary); font-size: 14.5px; font-weight: 500; transition: var(--transition); }
.btn-more:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(7,70,206,.22); }

/* ---------- v3 响应式 ---------- */
@media (max-width: 900px) {
    .solution-grid, .case-feature-grid, .quote-grid, .news-home-grid, .honor-grid { grid-template-columns: 1fr; }
    .timeline::before { left: 10px; }
    .timeline-item { width: 100%; padding: 0 0 30px 38px; left: 0; text-align: left; }
    .timeline-item:nth-child(even) { left: 0; }
    .timeline-item .timeline-dot { left: 2px; right: auto; }
    .cta-band { padding: 40px 28px; }
    .data-strip-item + .data-strip-item::before { display: none; }
    .data-strip .container { justify-content: center; }
    .data-strip-item { flex: 1 1 40%; }
    .marquee-track { animation: none; flex-wrap: wrap; width: auto; justify-content: center; }
}