/* ========================================
   主题色：深墨绿 + 琥珀铜 · 企业官网风格
   ======================================== */
:root {
    --c-primary: #0f4c3a;
    --c-primary-light: #1a6b52;
    --c-accent: #c2783a;
    --c-accent-light: #d4924f;
    --c-bg: #f5f3ef;
    --c-surface: #ffffff;
    --c-text: #1e2d2a;
    --c-text-muted: #5c6b68;
    --c-border: #dde5e2;
    --c-dark: #0a2e24;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(15, 76, 58, 0.06);
    --shadow-md: 0 4px 16px rgba(15, 76, 58, 0.08);
    --max-w: 1140px;
    --gap: 1.25rem;
}

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

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--c-primary-light);
    transition: color 0.2s;
}

.container {
    width: 92%;
    max-width: var(--max-w);
    margin: 0 auto;
}

/* ========== 导航 ========== */
.site-header {
    background: var(--c-dark);
    position: sticky;
    top: 0;
    z-index: 200;
    border-bottom: 2px solid var(--c-accent);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: 1rem;
}

.brand {
    color: #fff;
    font-size: 1.15rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
    white-space: nowrap;
    flex-shrink: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.15rem 0.5rem;
}

.main-nav a {
    color: rgba(255,255,255,0.82);
    text-decoration: none;
    font-size: 0.88rem;
    padding: 0.4rem 0.65rem;
    border-radius: 4px;
    white-space: nowrap;
    transition: background 0.2s, color 0.2s;
}

.main-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

.menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 6px;
    cursor: pointer;
    padding: 8px;
    flex-shrink: 0;
}

.menu-btn span {
    display: block;
    height: 2px;
    background: #fff;
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}

.menu-btn.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-btn.open span:nth-child(2) { opacity: 0; }
.menu-btn.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== 首页 Hero ========== */
.hero {
    background: var(--c-primary);
    color: #fff;
    padding: 3.5rem 0 3rem;
    overflow: hidden;
}

.hero-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(194,120,58,0.25);
    color: var(--c-accent-light);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(194,120,58,0.4);
    margin-bottom: 1rem;
}

.hero-main h1 {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 0.8rem;
}

.hero-lead {
    font-size: 1rem;
    opacity: 0.92;
    margin-bottom: 0.8rem;
    line-height: 1.65;
}

.hero-desc {
    font-size: 0.92rem;
    opacity: 0.85;
    line-height: 1.75;
    margin-bottom: 1.5rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    padding: 0.65rem 1.5rem;
    border-radius: 6px;
    font-size: 0.92rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    cursor: pointer;
    border: 2px solid transparent;
}

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

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

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

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

.hero-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.15);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-item strong {
    font-size: 1.5rem;
    color: var(--c-accent-light);
    line-height: 1.2;
}

.stat-item span {
    font-size: 0.78rem;
    opacity: 0.7;
    margin-top: 0.15rem;
}

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

.hero-visual img {
    width: 100%;
    max-width: 400px;
    border-radius: var(--radius-lg);
    border: 3px solid rgba(255,255,255,0.12);
}

/* ========== 引导条 ========== */
.intro-strip {
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    padding: 1.25rem 0;
}

.intro-strip p {
    font-size: 0.92rem;
    color: var(--c-text-muted);
    text-align: center;
    max-width: 860px;
    margin: 0 auto;
    line-height: 1.75;
}

/* ========== 通用板块 ========== */
.block {
    padding: 3.5rem 0;
}

.block-alt {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

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

.block-head {
    text-align: center;
    margin-bottom: 2.5rem;
}

.block-head-light .block-tag { color: var(--c-accent-light); }
.block-head-light h2 { color: #fff; }
.block-head-light p { color: rgba(255,255,255,0.65); }

.block-tag {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--c-accent);
    margin-bottom: 0.5rem;
}

.block-head h2 {
    font-size: clamp(1.3rem, 2.5vw, 1.75rem);
    color: var(--c-primary);
    font-weight: 700;
    margin-bottom: 0.4rem;
}

.block-dark .block-head h2 { color: #fff; }

.block-head p {
    font-size: 0.9rem;
    color: var(--c-text-muted);
}

/* ========== 核心能力 ========== */
.feat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--gap);
}

.feat-cell {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.5rem 1.25rem;
    transition: border-color 0.2s;
}

.block-alt .feat-cell {
    background: var(--c-bg);
}

.feat-cell:hover {
    border-color: var(--c-primary-light);
}

.feat-num {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--c-accent);
    opacity: 0.5;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.feat-cell h3 {
    font-size: 1rem;
    color: var(--c-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.feat-cell p {
    font-size: 0.86rem;
    color: var(--c-text-muted);
    line-height: 1.65;
}

/* ========== 服务项目 ========== */
.svc-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.svc-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.5rem 1.25rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

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

.svc-icon {
    width: 36px;
    height: 36px;
    background: var(--c-primary);
    color: #fff;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.svc-card h3 {
    font-size: 1rem;
    color: var(--c-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.svc-card p {
    font-size: 0.86rem;
    color: var(--c-text-muted);
    line-height: 1.65;
}

/* ========== 流程 ========== */
.step-flow {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0;
}

.step-node {
    flex: 1;
    text-align: center;
    padding: 0 0.75rem;
    min-width: 0;
}

.step-dot {
    width: 40px;
    height: 40px;
    background: var(--c-accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    margin: 0 auto 0.75rem;
}

.step-node h4 {
    font-size: 0.95rem;
    margin-bottom: 0.4rem;
    color: #fff;
    font-weight: 600;
}

.step-node p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
}

.step-line {
    width: 40px;
    height: 2px;
    background: rgba(255,255,255,0.2);
    margin-top: 20px;
    flex-shrink: 0;
}

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

.know-panel {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.5rem 1.25rem;
}

.know-panel h3 {
    font-size: 1rem;
    color: var(--c-primary);
    margin-bottom: 0.6rem;
    padding-left: 0.75rem;
    border-left: 3px solid var(--c-accent);
    font-weight: 600;
}

.know-panel p {
    font-size: 0.86rem;
    color: var(--c-text-muted);
    line-height: 1.7;
}

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

.review-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.5rem 1.25rem;
    margin: 0;
}

.review-card p {
    font-size: 0.88rem;
    color: var(--c-text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
    font-style: normal;
}

.review-card footer {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--c-border);
}

.review-card cite {
    font-style: normal;
    font-weight: 600;
    color: var(--c-primary);
    font-size: 0.88rem;
}

.review-card footer span {
    font-size: 0.78rem;
    color: var(--c-text-muted);
}

/* ========== 安全体系 ========== */
.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--gap);
}

.trust-item {
    text-align: center;
    padding: 1.5rem 1.25rem;
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    background: var(--c-bg);
}

.trust-item h3 {
    font-size: 1rem;
    color: var(--c-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.trust-item p {
    font-size: 0.86rem;
    color: var(--c-text-muted);
    line-height: 1.65;
}

/* ========== FAQ ========== */
.faq-wrap {
    max-width: 780px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.faq-row {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.faq-row summary {
    padding: 1rem 1.25rem;
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--c-primary);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.faq-row summary::after {
    content: "+";
    font-size: 1.1rem;
    color: var(--c-accent);
    flex-shrink: 0;
    margin-left: 1rem;
}

.faq-row[open] summary::after { content: "−"; }

.faq-row p {
    padding: 0 1.25rem 1rem;
    font-size: 0.86rem;
    color: var(--c-text-muted);
    line-height: 1.7;
}

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

.article-home-card {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: border-color 0.2s;
}

.article-home-card:hover {
    border-color: var(--c-primary-light);
}

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

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

.article-home-title {
    font-size: 0.85rem;
    font-weight: normal;
    padding: 0.65rem 0.6rem;
    line-height: 1.45;
}

.article-home-title a {
    color: var(--c-text);
    text-decoration: none;
}

.article-home-title a:hover { color: var(--c-primary-light); }

.article-home-card p,
.article-home-card .article-desc { display: none; }

/* ========== 联系 ========== */
.contact-panel {
    max-width: 720px;
    margin: 0 auto;
}

.contact-info {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1.75rem 1.5rem;
}

.contact-info p {
    font-size: 0.9rem;
    color: var(--c-text-muted);
    line-height: 1.75;
    margin-bottom: 0.75rem;
}

.contact-info p:last-child { margin-bottom: 0; }

/* ========== 页脚 ========== */
.site-footer {
    background: var(--c-dark);
    color: rgba(255,255,255,0.65);
    text-align: center;
    padding: 1.5rem 0;
    font-size: 0.82rem;
    border-top: 2px solid var(--c-accent);
}

.site-footer a {
    color: var(--c-accent-light);
    text-decoration: none;
}

.site-footer a:hover { text-decoration: underline; }

.site-footer p { margin-bottom: 0.3rem; }

.bg-decor { display: none; }

/* ========== 内页 Banner ========== */
.page-banner {
    background: var(--c-primary);
    color: #fff;
    padding: 1.75rem 0;
}

.breadcrumb {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
}

.breadcrumb a {
    color: #fff;
    text-decoration: none;
}

.breadcrumb a:hover { text-decoration: underline; }

.breadcrumb .sep { margin: 0 0.4rem; opacity: 0.5; }
.breadcrumb .current { opacity: 0.85; }

.page-title {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 700;
    margin-top: 0.5rem;
}

.main-wrap {
    padding: 2rem 0 2.5rem;
}

.content-layout {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.main-content {
    flex: 1;
    min-width: 0;
}

/* ========== 内容页 ========== */
.article-detail {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
}

.article-header {
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--c-border);
}

.article-title {
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    color: var(--c-primary);
    line-height: 1.4;
    margin-bottom: 0.75rem;
    font-weight: 700;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    font-size: 0.82rem;
    color: var(--c-text-muted);
}

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

.article-litpic {
    margin-bottom: 1.25rem;
    text-align: center;
}

.article-litpic img {
    border-radius: var(--radius);
    max-width: 100%;
}

.article-body {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--c-text);
    word-break: break-word;
    overflow-wrap: break-word;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 0.5rem 0;
}

.article-body p { margin-bottom: 0.85rem; }

.article-figure {
    margin-bottom: 0.75rem;
    text-align: center;
}

.article-figure figcaption {
    font-size: 0.8rem;
    color: var(--c-text-muted);
    margin-top: 0.3rem;
}

.zf0325meta-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--c-border);
}

.zf0325tagitem a {
    display: inline-block;
    background: var(--c-bg);
    color: var(--c-primary);
    padding: 0.25rem 0.7rem;
    border-radius: 4px;
    font-size: 0.8rem;
    text-decoration: none;
    border: 1px solid var(--c-border);
}

.zf0325tagitem a:hover {
    background: var(--c-primary);
    color: #fff;
    border-color: var(--c-primary);
}

.article-nav-links {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--c-border);
}

.article-nav-prev,
.article-nav-next {
    flex: 1;
    min-width: 0;
    font-size: 0.88rem;
}

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

.article-nav-links a {
    color: var(--c-primary-light);
    text-decoration: none;
    word-break: break-all;
}

.related-section {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--c-primary);
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--c-border);
    font-weight: 600;
}

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

.related-item {
    display: flex;
    gap: 0.85rem;
    padding: 0.85rem 0;
    border-bottom: 1px solid var(--c-border);
}

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

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

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

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

.related-title {
    color: var(--c-text);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 600;
    display: block;
    margin-bottom: 0.3rem;
}

.related-title:hover { color: var(--c-primary-light); }

.related-desc {
    font-size: 0.82rem;
    color: var(--c-text-muted);
    line-height: 1.55;
}

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

.list-item {
    display: flex;
    gap: 1.25rem;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 0.85rem;
    transition: border-color 0.2s;
}

.list-item:hover { border-color: var(--c-primary-light); }

.list-thumb {
    flex-shrink: 0;
    width: 180px;
    height: 126px;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--c-bg);
    display: block;
}

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

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

.list-title {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.4rem;
    line-height: 1.4;
}

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

.list-title a:hover { color: var(--c-primary-light); }

.list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1rem;
    font-size: 0.78rem;
    color: var(--c-text-muted);
    margin-bottom: 0.5rem;
}

.list-meta a {
    color: var(--c-primary-light);
    text-decoration: none;
}

.list-intro {
    font-size: 0.86rem;
    color: var(--c-text-muted);
    line-height: 1.6;
    flex: 1;
}

.list-more {
    display: inline-block;
    margin-top: 0.5rem;
    color: var(--c-accent);
    font-size: 0.82rem;
    text-decoration: none;
    font-weight: 600;
}

/* ========== 分页 ========== */
.pagebar { margin-top: 1.5rem; }

.pagebar-lr {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-bottom: none;
    border-radius: var(--radius) var(--radius) 0 0;
    padding: 0.65rem 1rem;
}

.pagebar-pre, .pagebar-next { flex: 1; }
.pagebar-next { text-align: right; }

.pagebar-pre a, .pagebar-next a,
.pagebar-pre span, .pagebar-next span {
    font-size: 0.85rem;
    color: var(--c-text-muted);
    text-decoration: none;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
}

.pagebar-pre a:hover, .pagebar-next a:hover {
    color: var(--c-primary);
    background: var(--c-bg);
}

.zzpages.zf0325pages {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 0.65rem 1rem;
}

.pagelist {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
}

.pagelist li { list-style: none; }

.pagelist li, .pagelist a, .pagelist span {
    display: inline-block;
    padding: 0.35rem 0.7rem;
    border-radius: 4px;
    font-size: 0.82rem;
    text-decoration: none;
    color: var(--c-text-muted);
}

.pagelist a:hover {
    background: var(--c-bg);
    color: var(--c-primary);
}

.pagelist .thisclass, .pagelist .current {
    background: var(--c-primary);
    color: #fff;
}

/* ========== 侧栏 ========== */
.sidebar {
    width: 280px;
    flex-shrink: 0;
}

.sidebar-block {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 1rem;
}

.sidebar-title {
    font-size: 0.95rem;
    color: var(--c-primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--c-border);
    font-weight: 600;
}

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

.sidebar-item {
    display: flex;
    gap: 0.6rem;
    padding: 0.55rem 0;
    border-bottom: 1px solid var(--c-border);
}

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

.sidebar-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 54px;
    overflow: hidden;
    border-radius: 4px;
    background: var(--c-bg);
    display: block;
}

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

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

.sidebar-item-info a {
    color: var(--c-text);
    text-decoration: none;
    font-size: 0.82rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-item-info a:hover { color: var(--c-primary-light); }

.sidebar-date {
    font-size: 0.72rem;
    color: var(--c-text-muted);
    display: block;
    margin-top: 0.15rem;
}

.clear { clear: both; }

/* ========== 响应式 ========== */
@media (max-width: 1024px) {
    .feat-row { grid-template-columns: repeat(2, 1fr); }
    .svc-grid { grid-template-columns: repeat(2, 1fr); }
    .review-grid, .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .article-home-grid { grid-template-columns: repeat(3, 1fr); }
    .sidebar { width: 240px; }
}

@media (max-width: 960px) {
    .header-inner { position: relative; }

    .menu-btn { display: flex; }

    .main-nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--c-dark);
        flex-direction: column;
        align-items: stretch;
        padding: 0.5rem 0;
        border-top: 1px solid rgba(255,255,255,0.1);
        box-shadow: 0 8px 24px rgba(0,0,0,0.15);
        max-height: 70vh;
        overflow-y: auto;
    }

    .main-nav.open { display: flex; }

    .main-nav a {
        padding: 0.7rem 1.25rem;
        border-radius: 0;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        font-size: 0.92rem;
    }

    .hero-wrap {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .hero-visual { order: -1; }
    .hero-visual img { max-width: 280px; }

    .step-flow {
        flex-direction: column;
        gap: 1.5rem;
        align-items: center;
    }

    .step-line {
        width: 2px;
        height: 24px;
        margin: 0;
    }

    .content-layout { flex-direction: column; }
    .sidebar { width: 100%; }

    .list-item { flex-direction: column; }
    .list-thumb { width: 100%; height: 160px; }
}

@media (max-width: 640px) {
    .container { width: 94%; }

    .block { padding: 2.5rem 0; }

    .feat-row,
    .svc-grid,
    .know-grid,
    .review-grid,
    .trust-grid,
    .article-home-grid {
        grid-template-columns: 1fr;
    }

    .hero { padding: 2rem 0 1.5rem; }

    .hero-stats { gap: 1.25rem; }

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

    .article-detail,
    .related-section,
    .sidebar-block {
        padding: 1rem;
    }

    .article-nav-links { flex-direction: column; }
    .article-nav-next { text-align: left; }

    .related-item { flex-direction: column; }
    .related-thumb { width: 100%; height: 140px; }

    .list-thumb { height: 140px; }

    .pagebar-lr { flex-direction: column; gap: 0.4rem; align-items: flex-start; }
    .pagebar-next { text-align: left; }
}