/* ========================================
   官网主题 — 靛蓝 + 琥珀色
   ======================================== */
:root {
    --primary: #0c2340;
    --primary-light: #1a3a5c;
    --accent: #c87941;
    --accent-hover: #b06832;
    --secondary: #2a7d8c;
    --secondary-light: #e8f4f6;
    --surface: #ffffff;
    --surface-alt: #f0f4f8;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #d8e0ea;
    --radius: 6px;
    --radius-lg: 10px;
    --shadow: 0 2px 12px rgba(12, 35, 64, 0.08);
    --shadow-md: 0 4px 20px rgba(12, 35, 64, 0.12);
    --header-h: 110px;
    --container: 1140px;
    --transition: 0.25s ease;
}

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

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

body {
    font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.7;
    color: var(--text);
    background: var(--surface);
    overflow-x: hidden;
}

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

a {
    color: var(--secondary);
    transition: color var(--transition);
}

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ========== 导航 ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.header-top {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.78rem;
    padding: 6px 0;
}

.header-top-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 20px;
}

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

.header-main {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-icon {
    width: 38px;
    height: 38px;
    background: var(--primary);
    color: var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.logo-text {
    color: var(--primary);
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
    flex-wrap: wrap;
}

.nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 0.88rem;
    padding: 8px 12px;
    border-radius: var(--radius);
    white-space: nowrap;
    transition: all var(--transition);
}

.nav-link:hover,
.nav-link.zc7213this {
    color: var(--accent);
    background: rgba(200, 121, 65, 0.08);
}

.nav-cta {
    background: var(--accent);
    color: #fff;
    text-decoration: none;
    padding: 9px 20px;
    border-radius: var(--radius);
    font-size: 0.88rem;
    font-weight: 600;
    white-space: nowrap;
    flex-shrink: 0;
    transition: background var(--transition);
}

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

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 6px;
    flex-shrink: 0;
}

.mobile-menu span {
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
    display: block;
}

.mobile-menu.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 85vw);
    height: 100vh;
    background: var(--surface);
    padding: 80px 24px 30px;
    transition: right var(--transition);
    z-index: 999;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    overflow-y: auto;
}

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

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.mobile-nav-link {
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    transition: color var(--transition);
}

.mobile-nav-link:hover,
.mobile-nav-link.zc7213this {
    color: var(--accent);
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(12, 35, 64, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ========== 按钮 ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.92rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1.4;
    text-align: center;
}

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

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

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

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

.btn-block {
    width: 100%;
}

/* ========== 首页 Hero ========== */
.hero {
    position: relative;
    padding: calc(var(--header-h) + 50px) 0 70px;
    background: var(--surface-alt);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(42, 125, 140, 0.06) 0%, transparent 50%),
        repeating-linear-gradient(-45deg, transparent, transparent 20px, rgba(12, 35, 64, 0.02) 20px, rgba(12, 35, 64, 0.02) 21px);
    pointer-events: none;
}

.hero-inner {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.hero-tag {
    display: inline-block;
    background: var(--secondary-light);
    color: var(--secondary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(42, 125, 140, 0.2);
}

.hero-content h1 {
    font-size: clamp(1.6rem, 3.5vw, 2.4rem);
    color: var(--primary);
    line-height: 1.35;
    margin-bottom: 16px;
    font-weight: 800;
}

.hero-desc {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 12px;
}

.hero-text {
    color: var(--text);
    font-size: 0.92rem;
    margin-bottom: 24px;
}

.hero-text strong {
    color: var(--primary);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.hero-metrics {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.metric strong {
    display: block;
    font-size: 1.6rem;
    color: var(--accent);
    font-weight: 800;
    line-height: 1.2;
}

.metric span {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
}

.hero-img {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    aspect-ratio: 4/3;
    object-fit: cover;
}

.hero-card {
    position: absolute;
    bottom: -16px;
    left: -16px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-md);
    max-width: calc(100% + 16px);
}

.hero-card i {
    font-size: 1.6rem;
    color: var(--accent);
    flex-shrink: 0;
}

.hero-card strong {
    display: block;
    color: var(--primary);
    font-size: 0.92rem;
}

.hero-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

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

.section-alt {
    background: var(--surface-alt);
}

.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
}

.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: 10px;
}

.section-title {
    font-size: clamp(1.4rem, 2.5vw, 1.85rem);
    color: var(--primary);
    margin-bottom: 12px;
    font-weight: 700;
    line-height: 1.35;
}

.section-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ========== 服务卡片 ========== */
.service-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 24px;
    transition: box-shadow var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-item:hover {
    box-shadow: var(--shadow-md);
}

.service-item-icon {
    width: 48px;
    height: 48px;
    background: var(--secondary-light);
    color: var(--secondary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 18px;
    flex-shrink: 0;
}

.service-item h3 {
    font-size: 1.05rem;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.service-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 14px;
    flex: 1;
}

.service-item ul {
    list-style: none;
    border-top: 1px solid var(--border);
    padding-top: 14px;
}

.service-item li {
    font-size: 0.84rem;
    color: var(--text);
    padding: 4px 0 4px 18px;
    position: relative;
}

.service-item li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 6px;
    height: 6px;
    background: var(--accent);
    border-radius: 50%;
}

/* ========== 分栏内容 ========== */
.split-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.split-block.reverse {
    direction: rtl;
}

.split-block.reverse > * {
    direction: ltr;
}

.split-content .section-title {
    text-align: left;
    margin-bottom: 16px;
}

.split-content .section-label {
    display: block;
    text-align: left;
}

.split-content p {
    font-size: 0.92rem;
    color: var(--text-muted);
    margin-bottom: 14px;
}

.split-content p strong {
    color: var(--primary);
}

.info-list {
    margin-top: 20px;
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    font-size: 0.9rem;
    color: var(--text);
    border-bottom: 1px solid var(--border);
}

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

.info-item i {
    color: var(--secondary);
    margin-top: 3px;
    flex-shrink: 0;
}

.panel-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    height: 100%;
}

.section-alt .panel-card {
    background: var(--surface);
}

.panel-card.accent {
    border-left: 4px solid var(--accent);
}

.panel-card h4 {
    color: var(--primary);
    font-size: 1rem;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.panel-card h4 i {
    color: var(--accent);
}

.panel-card dl dt {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    margin-top: 14px;
}

.panel-card dl dt:first-child {
    margin-top: 0;
}

.panel-card dl dd {
    font-size: 0.86rem;
    color: var(--text-muted);
    margin-top: 4px;
    padding-left: 0;
}

.step-list {
    padding-left: 20px;
    color: var(--text-muted);
    font-size: 0.88rem;
}

.step-list li {
    margin-bottom: 10px;
    line-height: 1.5;
}

.tag-group {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    background: var(--secondary-light);
    color: var(--secondary);
    font-size: 0.8rem;
    padding: 5px 12px;
    border-radius: 20px;
    border: 1px solid rgba(42, 125, 140, 0.15);
}

/* ========== 三列网格 ========== */
.triple-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.triple-grid .panel-card {
    display: flex;
    flex-direction: column;
}

.panel-icon {
    width: 44px;
    height: 44px;
    background: rgba(200, 121, 65, 0.1);
    color: var(--accent);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 16px;
    flex-shrink: 0;
}

.triple-grid h3 {
    font-size: 1rem;
    color: var(--primary);
    margin-bottom: 12px;
    line-height: 1.4;
}

.triple-grid p {
    font-size: 0.86rem;
    color: var(--text-muted);
    margin-bottom: 10px;
}

.plain-list {
    list-style: none;
    margin-top: auto;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.plain-list li {
    font-size: 0.84rem;
    color: var(--text);
    padding: 5px 0 5px 16px;
    position: relative;
}

.plain-list li::before {
    content: "—";
    position: absolute;
    left: 0;
    color: var(--accent);
}

/* ========== 时间线 ========== */
.timeline {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    position: relative;
}

.timeline::before {
    content: "";
    position: absolute;
    top: 28px;
    left: 12.5%;
    right: 12.5%;
    height: 2px;
    background: var(--border);
}

.timeline-item {
    text-align: center;
    position: relative;
    padding: 0 8px;
}

.timeline-num {
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    margin: 0 auto 18px;
    position: relative;
    z-index: 1;
    border: 3px solid var(--surface-alt);
}

.timeline-item h3 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.timeline-item p {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* ========== 优势网格 ========== */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.advantage-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-top: 3px solid var(--accent);
    border-radius: var(--radius-lg);
    padding: 24px 20px;
    text-align: center;
    transition: box-shadow var(--transition);
}

.advantage-item:hover {
    box-shadow: var(--shadow);
}

.advantage-item i {
    font-size: 1.6rem;
    color: var(--accent);
    margin-bottom: 14px;
}

.advantage-item h3 {
    font-size: 0.95rem;
    color: var(--primary);
    margin-bottom: 8px;
}

.advantage-item p {
    font-size: 0.84rem;
    color: var(--text-muted);
    line-height: 1.55;
}

/* ========== 首页文章 ========== */
.article-home-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.article-home-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.article-home-card:hover {
    box-shadow: var(--shadow-md);
}

.article-home-thumb {
    display: block;
    height: 120px;
    overflow: hidden;
    background: var(--surface-alt);
}

.article-home-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.article-home-card:hover .article-home-thumb img {
    transform: scale(1.05);
}

.article-home-body {
    padding: 12px;
}

.article-home-title {
    font-size: 0.84rem;
    margin-bottom: 6px;
    line-height: 1.45;
}

.article-home-title a {
    color: var(--primary);
    text-decoration: none;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

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

.article-home-date {
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* ========== 联系表单 ========== */
.contact-wrap {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 28px;
    align-items: stretch;
}

.contact-info-card {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.9);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    height: 100%;
    border: 1px solid var(--primary);
}

.contact-info-card h3 {
    font-size: 1.15rem;
    margin-bottom: 20px;
    color: #fff;
}

.contact-channels {
    list-style: none;
}

.contact-channels li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 12px 0;
    font-size: 0.88rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    line-height: 1.5;
}

.contact-channels li:last-child {
    border-bottom: none;
}

.contact-channels i {
    color: var(--accent);
    margin-top: 3px;
    flex-shrink: 0;
    width: 18px;
}

.contact-note {
    margin-top: 20px;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.65);
    line-height: 1.6;
}

.contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    transition: border-color var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
}

.form-group textarea {
    height: 120px;
    resize: vertical;
    min-height: 100px;
    max-height: 240px;
}

/* ========== 页脚 ========== */
.footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.8);
    padding: 48px 0 24px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 28px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info h3 {
    color: #fff;
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.footer-info p {
    font-size: 0.88rem;
    line-height: 1.6;
}

.footer-col h4 {
    color: var(--accent);
    font-size: 0.95rem;
    margin-bottom: 14px;
}

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

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    font-size: 0.86rem;
}

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

.footer-bottom {
    text-align: center;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}

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

/* ========== 内页通用 ========== */
.page-main {
    padding: calc(var(--header-h) + 30px) 0 60px;
    background: var(--surface-alt);
    min-height: 50vh;
}

.page-breadcrumb {
    margin-bottom: 20px;
    font-size: 0.85rem;
    color: var(--text-muted);
    word-break: break-all;
}

.page-breadcrumb a {
    color: var(--text-muted);
    text-decoration: none;
}

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

.breadcrumb-sep {
    margin: 0 8px;
    color: var(--border);
}

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

.page-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    align-items: start;
}

/* ========== 侧栏 ========== */
.sidebar {
    position: sticky;
    top: calc(var(--header-h) + 16px);
}

.sidebar-block {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.sidebar-title {
    font-size: 0.95rem;
    padding: 14px 16px;
    background: var(--primary);
    color: #fff;
    margin: 0;
    font-weight: 600;
}

.sidebar-list {
    list-style: none;
    max-height: 600px;
    overflow-y: auto;
}

.sidebar-item {
    border-bottom: 1px solid var(--border);
}

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

.sidebar-item-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    text-decoration: none;
    color: var(--text);
    transition: background var(--transition);
}

.sidebar-item-link:hover {
    background: var(--surface-alt);
    color: var(--accent);
}

.sidebar-item-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 42px;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--surface-alt);
    border: 1px solid var(--border);
}

.sidebar-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sidebar-item-title {
    font-size: 0.82rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
    min-width: 0;
}

/* ========== 内容页 ========== */
.article-main {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px;
    overflow: hidden;
    word-break: break-word;
}

.article-header {
    margin-bottom: 24px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.article-title {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    color: var(--primary);
    line-height: 1.4;
    margin-bottom: 14px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.article-meta a {
    color: var(--secondary);
    text-decoration: none;
}

.meta-item i {
    margin-right: 4px;
    color: var(--accent);
}

.article-thumb {
    margin-bottom: 24px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    max-height: 420px;
}

.article-thumb img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}

.article-body {
    font-size: 0.95rem;
    line-height: 1.85;
    color: var(--text);
    margin-bottom: 24px;
    overflow-wrap: break-word;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 12px 0;
}

.article-body p {
    margin-bottom: 14px;
}

.article-images {
    margin-bottom: 24px;
}

.article-figure {
    margin-bottom: 16px;
    text-align: center;
}

.article-figure img {
    max-width: 100%;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.article-figure figcaption {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.zc7213diyfield {
    margin-bottom: 24px;
    padding: 16px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    padding: 16px 0;
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.tags-label {
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
}

.zc7213meta-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
    margin: 0;
}

.zc7213tagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 0.82rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: all var(--transition);
}

.zc7213tagitem a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 28px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

.article-nav-prev,
.article-nav-next {
    flex: 1;
    max-width: 48%;
    font-size: 0.88rem;
    line-height: 1.5;
}

.article-nav-next {
    text-align: right;
}

.article-nav a {
    color: var(--primary);
    text-decoration: none;
}

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

.related-articles {
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.related-title {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.related-list {
    list-style: none;
}

.related-item {
    border-bottom: 1px solid var(--border);
    padding: 12px 0;
}

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

.related-link {
    display: flex;
    gap: 12px;
    text-decoration: none;
    color: inherit;
}

.related-thumb {
    flex-shrink: 0;
    width: 90px;
    height: 68px;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--surface-alt);
    border: 1px solid var(--border);
}

.related-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-info {
    flex: 1;
    min-width: 0;
}

.related-item-title {
    display: block;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.9rem;
    margin-bottom: 4px;
    line-height: 1.4;
}

.related-desc {
    display: block;
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ========== 列表页 ========== */
.list-main {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px;
    overflow: hidden;
}

.list-header {
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 2px solid var(--accent);
}

.list-title {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    color: var(--primary);
    margin-bottom: 8px;
}

.list-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.list-items {
    list-style: none;
}

.list-item {
    display: flex;
    gap: 20px;
    padding: 20px 0;
    border-bottom: 1px solid var(--border);
}

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

.list-item-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 135px;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background: var(--surface-alt);
    border: 1px solid var(--border);
}

.list-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition);
}

.list-item:hover .list-item-thumb img {
    transform: scale(1.04);
}

.list-item-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.list-item-title {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.list-item-title a {
    color: var(--primary);
    text-decoration: none;
}

.list-item-title a:hover {
    color: var(--accent);
}

.list-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.list-item-meta i {
    color: var(--accent);
    margin-right: 3px;
}

.list-item-intro {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 8px;
    flex: 1;
}

.list-item-more {
    color: var(--accent);
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 600;
    align-self: flex-start;
}

.list-item-more:hover {
    color: var(--accent-hover);
}

/* 分页 */
.pagebar {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.pagebar-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    width: 100%;
}

.pagebar .pagelist,
.pagebar ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0;
    margin: 0;
    align-items: center;
}

.pagebar a,
.pagebar span {
    display: inline-block;
    padding: 7px 14px;
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    background: var(--surface-alt);
    border: 1px solid var(--border);
    font-size: 0.85rem;
    transition: all var(--transition);
    line-height: 1.4;
}

.pagebar a:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.pagebar .thisclass,
.pagebar .current {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

/* ========== 响应式 ========== */
@media (max-width: 1100px) {
    .nav-links {
        display: none;
    }

    .nav-cta {
        display: none;
    }

    .mobile-menu {
        display: flex;
        margin-left: auto;
    }

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

    .hero-visual {
        max-width: 560px;
        margin: 0 auto;
        width: 100%;
    }

    .hero-card {
        left: 12px;
        bottom: -12px;
    }

    .service-row,
    .triple-grid {
        grid-template-columns: 1fr 1fr;
    }

    .timeline {
        grid-template-columns: 1fr 1fr;
        gap: 32px 20px;
    }

    .timeline::before {
        display: none;
    }

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

    .article-home-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .page-layout {
        grid-template-columns: 1fr 260px;
    }

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

    .split-block.reverse {
        direction: ltr;
    }

    .contact-wrap {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    :root {
        --header-h: 90px;
    }

    .header-top {
        display: none;
    }

    .header-main {
        padding: 12px 0;
    }

    .logo-text {
        font-size: 1rem;
        max-width: 160px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .section {
        padding: 52px 0;
    }

    .hero {
        padding: calc(var(--header-h) + 30px) 0 50px;
    }

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

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

    .hero-metrics {
        gap: 20px;
    }

    .hero-card {
        position: relative;
        left: 0;
        bottom: 0;
        margin-top: 16px;
        max-width: 100%;
    }

    .service-row,
    .triple-grid,
    .advantage-grid,
    .timeline {
        grid-template-columns: 1fr;
    }

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

    .article-home-thumb {
        height: 110px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .page-layout {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .article-main,
    .list-main {
        padding: 20px 16px;
    }

    .article-nav {
        flex-direction: column;
    }

    .article-nav-prev,
    .article-nav-next {
        max-width: 100%;
    }

    .article-nav-next {
        text-align: left;
    }

    .list-item {
        flex-direction: column;
        gap: 12px;
    }

    .list-item-thumb {
        width: 100%;
        height: 180px;
    }

    .pagebar-flex {
        justify-content: center;
    }

    .related-link {
        flex-direction: column;
    }

    .related-thumb {
        width: 100%;
        height: 160px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 14px;
    }

    .article-home-grid {
        grid-template-columns: 1fr;
    }

    .article-home-thumb {
        height: 160px;
    }

    .contact-form {
        padding: 20px 16px;
    }

    .contact-info-card {
        padding: 24px 20px;
    }

    .panel-card {
        padding: 20px 16px;
    }

    .service-item {
        padding: 20px 16px;
    }

    .btn {
        padding: 11px 20px;
        font-size: 0.88rem;
    }
}