/* ===== 设计令牌：墨绿 + 琥珀金（全新配色） ===== */
:root {
    --c-bg: #f0f4f3;
    --c-surface: #ffffff;
    --c-dark: #0c2e2b;
    --c-primary: #145a52;
    --c-primary-light: #1f7a6f;
    --c-accent: #d4a017;
    --c-accent-soft: #f5e6b8;
    --c-text: #1a2e2c;
    --c-muted: #5a6f6c;
    --c-line: #d8e4e1;
    --c-line-strong: #b8ccc7;
    --radius: 10px;
    --radius-lg: 14px;
    --shadow: 0 4px 20px rgba(12, 46, 43, 0.08);
    --shadow-hover: 0 8px 28px rgba(12, 46, 43, 0.12);
    --header-h: 68px;
    --container: 1140px;
    --gap: 24px;
    --ease: 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 15px;
    line-height: 1.65;
    color: var(--c-text);
    background: var(--c-bg);
    overflow-x: hidden;
}

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

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

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

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

/* ===== 顶栏导航 ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-h);
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--c-line);
    backdrop-filter: blur(10px);
    z-index: 1000;
}

.header-inner {
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.site-logo {
    font-size: 18px;
    font-weight: 700;
    color: var(--c-dark);
    white-space: nowrap;
    flex-shrink: 0;
}

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

.site-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 4px 6px;
}

.nav-item {
    padding: 6px 10px;
    font-size: 13px;
    font-weight: 500;
    color: var(--c-muted);
    border-radius: 6px;
    white-space: nowrap;
}

.nav-item:hover,
.nav-item.is-active,
.nav-item.z5f247this {
    color: var(--c-primary);
    background: var(--c-accent-soft);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--c-line);
    border-radius: 8px;
    background: var(--c-surface);
    cursor: pointer;
    flex-shrink: 0;
}

.nav-toggle span {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 auto;
    background: var(--c-dark);
    transition: var(--ease);
}

.nav-toggle.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.is-open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.nav-drawer {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(300px, 88vw);
    height: 100vh;
    background: var(--c-surface);
    border-left: 1px solid var(--c-line);
    z-index: 1002;
    padding: calc(var(--header-h) + 16px) 20px 24px;
    overflow-y: auto;
    transition: right var(--ease);
}

.nav-drawer.is-open {
    right: 0;
}

.nav-drawer-list {
    list-style: none;
}

.nav-drawer-link {
    display: block;
    padding: 14px 0;
    font-size: 15px;
    color: var(--c-text);
    border-bottom: 1px solid var(--c-line);
}

.nav-drawer-link:hover,
.nav-drawer-link.z5f247this {
    color: var(--c-primary);
}

.nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(12, 46, 43, 0.45);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: var(--ease);
}

.nav-overlay.is-open {
    opacity: 1;
    visibility: visible;
}

/* ===== 首页首屏 ===== */
.section-hero {
    padding: calc(var(--header-h) + 48px) 0 56px;
    background: linear-gradient(160deg, var(--c-dark) 0%, var(--c-primary) 55%, #1a6b62 100%);
    color: #fff;
}

.hero-layout {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 40px;
    align-items: center;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--c-accent-soft);
    margin-bottom: 12px;
    padding: 4px 12px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    border-radius: 20px;
}

.hero-copy h1 {
    font-size: clamp(26px, 4vw, 36px);
    line-height: 1.25;
    margin-bottom: 14px;
    font-weight: 700;
}

.hero-lead {
    font-size: 16px;
    opacity: 0.92;
    margin-bottom: 12px;
}

.hero-text {
    font-size: 14px;
    opacity: 0.85;
    margin-bottom: 22px;
    max-width: 52em;
}

.hero-metrics {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 26px;
}

.metric {
    text-align: center;
    min-width: 72px;
}

.metric strong {
    display: block;
    font-size: 26px;
    color: var(--c-accent);
    line-height: 1.2;
}

.metric span {
    font-size: 12px;
    opacity: 0.8;
}

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

.btn {
    display: inline-block;
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: 8px;
    border: 2px solid transparent;
    transition: var(--ease);
}

.btn-primary {
    background: var(--c-accent);
    color: var(--c-dark);
    border-color: var(--c-accent);
}

.btn-primary:hover {
    background: #e8b422;
    color: var(--c-dark);
}

.btn-outline {
    border-color: rgba(255, 255, 255, 0.5);
    color: #fff;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.hero-visual {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-hover);
    max-height: 420px;
}

.hero-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 260px;
}

.hero-visual-badge {
    position: absolute;
    left: 16px;
    bottom: 16px;
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    background: var(--c-accent);
    color: var(--c-dark);
    border-radius: 6px;
}

/* ===== 通用板块 ===== */
.section {
    padding: 64px 0;
}

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

.section-cta {
    background: var(--c-dark);
    color: #fff;
}

.section-cta .section-head h2,
.section-cta .section-head p,
.section-cta .contact-item h3,
.section-cta .contact-item p,
.section-cta .contact-tip {
    color: inherit;
}

.section-cta .section-tag {
    color: var(--c-accent);
    border-color: rgba(255, 255, 255, 0.3);
}

.section-head {
    text-align: center;
    margin-bottom: 40px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.section-head.section-head-row {
    max-width: none;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    margin-left: 0;
    margin-right: 0;
}

.section-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--c-primary);
    border: 1px solid var(--c-line-strong);
    padding: 3px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
}

.section-head h2 {
    font-size: clamp(22px, 3vw, 28px);
    color: var(--c-dark);
    margin-bottom: 8px;
}

.section-head p {
    color: var(--c-muted);
    font-size: 15px;
}

.link-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
    white-space: nowrap;
}

/* 服务卡片 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
}

.service-card {
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 24px;
    transition: box-shadow var(--ease), border-color var(--ease);
}

.service-card:hover {
    border-color: var(--c-primary-light);
    box-shadow: var(--shadow);
}

.service-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--c-accent);
    margin-bottom: 8px;
}

.service-card h3 {
    font-size: 17px;
    color: var(--c-dark);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 14px;
    color: var(--c-muted);
    line-height: 1.7;
}

/* 流程 */
.flow-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
    counter-reset: flow;
}

.flow-item {
    display: flex;
    gap: 16px;
    padding: 22px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
}

.flow-step {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    font-weight: 700;
    font-size: 16px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 50%;
}

.flow-item h3 {
    font-size: 16px;
    color: var(--c-dark);
    margin-bottom: 6px;
}

.flow-item p {
    font-size: 14px;
    color: var(--c-muted);
}

/* 知识 */
.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--gap);
}

.knowledge-card {
    padding: 22px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-bg);
}

.knowledge-card h3 {
    font-size: 16px;
    color: var(--c-dark);
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--c-accent-soft);
}

.knowledge-card p {
    font-size: 14px;
    color: var(--c-muted);
}

/* 案例 */
.case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.case-card {
    padding: 22px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    border-top: 3px solid var(--c-primary);
}

.case-card h3 {
    font-size: 17px;
    color: var(--c-dark);
    margin-bottom: 10px;
}

.case-card > p {
    font-size: 14px;
    color: var(--c-muted);
    margin-bottom: 14px;
}

.case-meta {
    list-style: none;
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--c-primary);
}

.case-meta li {
    padding: 4px 10px;
    background: var(--c-accent-soft);
    border-radius: 4px;
}

/* 优势 */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.advantage-item {
    text-align: center;
    padding: 22px 16px;
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    background: var(--c-bg);
}

.advantage-item h3 {
    font-size: 15px;
    color: var(--c-dark);
    margin-bottom: 8px;
}

.advantage-item p {
    font-size: 13px;
    color: var(--c-muted);
}

/* 评价 */
.review-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.review-card {
    margin: 0;
    padding: 22px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    border-left: 4px solid var(--c-accent);
}

.review-card p {
    font-size: 14px;
    color: var(--c-muted);
    margin-bottom: 12px;
}

.review-card cite {
    font-size: 13px;
    color: var(--c-primary);
    font-style: normal;
    font-weight: 600;
}

/* FAQ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    margin-bottom: 10px;
    background: var(--c-surface);
    overflow: hidden;
}

.faq-item summary {
    padding: 16px 20px;
    font-weight: 600;
    color: var(--c-dark);
    cursor: pointer;
    list-style: none;
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item[open] summary {
    background: var(--c-accent-soft);
}

.faq-item p {
    padding: 0 20px 16px;
    font-size: 14px;
    color: var(--c-muted);
}

/* 资讯 */
.news-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

.news-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow var(--ease);
}

.news-card:hover {
    box-shadow: var(--shadow);
}

.news-thumb {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--c-line);
}

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

.news-body {
    padding: 12px 14px 14px;
}

.news-body h3 {
    font-size: 13px;
    line-height: 1.4;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-body h3 a {
    color: var(--c-dark);
}

.news-body time {
    font-size: 11px;
    color: var(--c-muted);
}

/* 联系 */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
    margin-bottom: 24px;
}

.contact-item {
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.06);
}

.contact-item h3 {
    font-size: 16px;
    margin-bottom: 8px;
    color: var(--c-accent);
}

.contact-item p {
    font-size: 14px;
    opacity: 0.88;
}

.contact-tip {
    text-align: center;
    font-size: 13px;
    opacity: 0.75;
    max-width: 640px;
    margin: 0 auto;
}

/* 页脚 */
.site-footer {
    background: var(--c-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 48px 0 24px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding-bottom: 28px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.footer-brand h3 {
    color: #fff;
    font-size: 18px;
    margin-bottom: 8px;
}

.footer-links h4 {
    color: #fff;
    font-size: 15px;
    margin-bottom: 12px;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
}

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

.footer-bottom {
    text-align: center;
    font-size: 13px;
}

.footer-bottom p {
    margin-bottom: 4px;
}

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

/* ===== 内页 ===== */
.page-inner {
    background: var(--c-bg);
}

.page-banner {
    padding: calc(var(--header-h) + 32px) 0 36px;
    background: linear-gradient(135deg, var(--c-dark), var(--c-primary));
    color: #fff;
}

.breadcrumb {
    font-size: 13px;
    margin-bottom: 10px;
    opacity: 0.9;
}

.breadcrumb a {
    color: #fff;
}

.breadcrumb-sep {
    margin: 0 6px;
    opacity: 0.5;
}

.page-banner-title {
    font-size: clamp(22px, 3vw, 28px);
    line-height: 1.35;
}

.page-banner-desc {
    margin-top: 8px;
    font-size: 14px;
    opacity: 0.85;
    max-width: 720px;
}

.page-main {
    padding: 36px 0 64px;
}

.page-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    align-items: start;
}

.page-content {
    min-width: 0;
}

/* 内容页 */
.article-detail {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 24px;
}

.article-header {
    padding-bottom: 18px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--c-line);
}

.article-title {
    font-size: clamp(20px, 2.5vw, 26px);
    color: var(--c-dark);
    line-height: 1.4;
    margin-bottom: 12px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    font-size: 13px;
    color: var(--c-muted);
}

.article-thumb {
    margin-bottom: 20px;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--c-line);
}

.article-thumb:empty {
    display: none;
    margin: 0;
    border: none;
}

.article-body {
    font-size: 15px;
    line-height: 1.8;
    word-break: break-word;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
}

.article-gallery {
    margin-top: 24px;
}

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

.article-gallery-item figcaption {
    font-size: 13px;
    color: var(--c-muted);
    margin-top: 6px;
}

.z5f247meta-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--c-line);
}

.z5f247tagitem a {
    display: inline-block;
    padding: 5px 12px;
    font-size: 12px;
    background: var(--c-accent-soft);
    color: var(--c-primary);
    border-radius: 20px;
}

.z5f247diyfield {
    margin: 16px 0;
    padding: 14px;
    background: var(--c-bg);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    font-size: 14px;
}

.article-prenext {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--c-line);
    font-size: 14px;
}

.prenext-item {
    flex: 1;
    min-width: 0;
    color: var(--c-muted);
}

.prenext-next {
    text-align: right;
}

.related-articles {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.related-articles h2 {
    font-size: 18px;
    color: var(--c-dark);
    margin-bottom: 18px;
}

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

.related-item {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    border-bottom: 1px solid var(--c-line);
}

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

.related-thumb {
    flex-shrink: 0;
    width: 110px;
    height: 78px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--c-line);
    background: var(--c-bg);
}

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

.related-info h3 {
    font-size: 15px;
    margin-bottom: 6px;
}

.related-info h3 a {
    color: var(--c-dark);
}

.related-info p {
    font-size: 13px;
    color: var(--c-muted);
    margin-bottom: 4px;
}

.related-date {
    font-size: 12px;
    color: var(--c-primary);
}

/* 列表页 */
.article-list {
    list-style: none;
}

.article-list-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    margin-bottom: 16px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    transition: box-shadow var(--ease);
}

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

.article-list-thumb {
    flex-shrink: 0;
    width: 180px;
    height: 128px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--c-line);
    background: var(--c-bg);
}

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

.article-list-body {
    flex: 1;
    min-width: 0;
}

.article-list-title {
    font-size: 18px;
    margin-bottom: 8px;
    line-height: 1.4;
}

.article-list-title a {
    color: var(--c-dark);
}

.article-list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 14px;
    font-size: 12px;
    color: var(--c-muted);
    margin-bottom: 8px;
}

.article-list-intro {
    font-size: 14px;
    color: var(--c-muted);
    line-height: 1.65;
}

/* 分页 */
.pagebar {
    margin-top: 24px;
}

.pagebar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 18px;
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    flex-wrap: wrap;
}

.pagebar-side {
    flex: 0 0 auto;
    min-width: 72px;
}

.pagebar-left {
    text-align: left;
}

.pagebar-right {
    text-align: right;
}

.pagebar-center {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
}

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

.pagelist a,
.pagebar-side a {
    display: inline-block;
    padding: 6px 12px;
    font-size: 13px;
    color: var(--c-text);
    border: 1px solid var(--c-line);
    border-radius: 6px;
    background: var(--c-bg);
}

.pagelist a:hover,
.pagebar-side a:hover,
.pagelist .thisclass a {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}

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

.sidebar-widget {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--radius);
    padding: 18px;
}

.sidebar-widget-title {
    font-size: 16px;
    color: var(--c-dark);
    margin-bottom: 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--c-accent);
}

.sidebar-article-list {
    list-style: none;
}

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

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

.sidebar-article-link {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    color: inherit;
}

.sidebar-article-link:hover .sidebar-article-title {
    color: var(--c-primary);
}

.sidebar-article-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 54px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--c-line);
    background: var(--c-bg);
}

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

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

.sidebar-article-title {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-size: 13px;
    line-height: 1.4;
    color: var(--c-text);
}

.sidebar-article-date {
    font-size: 11px;
    color: var(--c-muted);
    margin-top: 4px;
    display: block;
}

.clear {
    clear: both;
}

/* ===== 响应式 ===== */
@media (max-width: 1100px) {
    .news-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

@media (max-width: 1024px) {
    .site-nav {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

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

    .hero-visual {
        max-height: 320px;
    }

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

    .page-sidebar {
        position: static;
    }

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

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

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

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

    .service-grid,
    .flow-list,
    .knowledge-grid {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .article-list-item {
        flex-direction: column;
    }

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

    .article-detail {
        padding: 18px;
    }

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

    .prenext-next {
        text-align: left;
    }

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

    .related-thumb {
        width: 100%;
        height: 140px;
    }

    .pagebar-inner {
        flex-direction: column;
        align-items: stretch;
    }

    .pagebar-side,
    .pagebar-center {
        text-align: center;
        justify-content: center;
    }

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

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

    .nav-drawer {
        width: 100%;
        right: -100%;
    }

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

    .hero-metrics {
        justify-content: space-between;
        width: 100%;
    }

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

    .btn {
        text-align: center;
        width: 100%;
    }

    .section-head-row {
        flex-direction: column;
        align-items: flex-start;
    }
}