/* ===== 主题变量 · 靛蓝 + 琥珀官方风 ===== */
:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #152a45;
    --color-accent: #d97706;
    --color-accent-light: #f59e0b;
    --color-accent-bg: #fff7ed;
    --color-text: #334155;
    --color-text-light: #64748b;
    --color-bg: #f8fafc;
    --color-white: #ffffff;
    --color-border: #e2e8f0;
    --color-border-light: #f1f5f9;
    --header-height: 64px;
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 1px 3px rgba(30, 58, 95, 0.08);
    --shadow-md: 0 4px 16px rgba(30, 58, 95, 0.1);
    --transition: 0.25s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 16px);
}

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

body {
    font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

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

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ===== 头部导航 ===== */
.header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
    height: var(--header-height);
}

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

.logo {
    font-size: 17px;
    font-weight: 600;
    margin: 0;
    flex-shrink: 0;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    flex-shrink: 0;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 5px 0;
    transition: all 0.3s ease;
}

.nav {
    overflow: hidden;
}

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

.nav a {
    color: var(--color-text);
    text-decoration: none;
    font-size: 13px;
    padding: 6px 10px;
    border-radius: 6px;
    display: block;
    line-height: 1.4;
    transition: all var(--transition);
}

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

.nav .z3dbf6this a,
.nav li.z3dbf6this a {
    color: var(--color-accent);
    background: var(--color-accent-bg);
    font-weight: 600;
}

@media (max-width: 991px) {
    .mobile-menu-btn {
        display: block;
    }

    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: min(320px, 85vw);
        height: 100vh;
        background: var(--color-white);
        padding: calc(var(--header-height) + 16px) 20px 20px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
        overflow-y: auto;
    }

    .nav.active {
        right: 0;
    }

    .nav ul {
        flex-direction: column;
        gap: 4px;
    }

    .nav a {
        font-size: 14px;
        padding: 12px 14px;
    }

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

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

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
}

@media (max-width: 575px) {
    .logo {
        font-size: 14px;
        max-width: 160px;
    }
}

/* ===== 首页 Hero ===== */
.site-hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: calc(var(--header-height) + 48px) 0 56px;
    margin-top: 0;
}

.site-hero-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.site-badge {
    display: inline-block;
    background: rgba(217, 119, 6, 0.25);
    color: var(--color-accent-light);
    font-size: 12px;
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid rgba(245, 158, 11, 0.4);
    margin-bottom: 16px;
}

.site-hero-title {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 16px;
}

.site-hero-desc {
    font-size: 15px;
    color: rgba(255,255,255,0.85);
    margin-bottom: 12px;
}

.site-hero-text {
    font-size: 14px;
    color: rgba(255,255,255,0.75);
    margin-bottom: 24px;
    line-height: 1.8;
}

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

.btn {
    display: inline-block;
    padding: 11px 24px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition);
    text-align: center;
    border: 2px solid transparent;
}

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

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

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

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

.site-hero-side {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.site-hero-img {
    width: 100%;
    max-height: 320px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 3px solid rgba(255,255,255,0.15);
}

.site-hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
}

.site-stat {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 14px 10px;
    text-align: center;
}

.site-stat strong {
    display: block;
    font-size: 20px;
    color: var(--color-accent-light);
    margin-bottom: 4px;
}

.site-stat span {
    font-size: 12px;
    color: rgba(255,255,255,0.7);
}

/* ===== 信任条 ===== */
.site-trust {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    padding: 28px 0;
}

.site-trust-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.site-trust-list li {
    text-align: center;
    padding: 0 8px;
}

.trust-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 10px;
}

.site-trust-list strong {
    display: block;
    font-size: 14px;
    color: var(--color-primary);
    margin-bottom: 4px;
}

.site-trust-list p {
    font-size: 12px;
    color: var(--color-text-light);
    margin: 0;
}

/* ===== 通用标题 ===== */
.block-heading {
    font-size: clamp(20px, 3vw, 26px);
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.4;
}

.block-heading.center {
    text-align: center;
}

/* ===== 简介区 ===== */
.site-intro {
    padding: 56px 0;
}

.site-intro-box {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow);
}

.site-intro-content p {
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 14px;
}

.site-intro-content p:last-child {
    margin-bottom: 0;
}

.site-intro-content strong {
    color: var(--color-primary);
}

/* ===== 服务面板 ===== */
.site-panel {
    padding: 48px 0;
    scroll-margin-top: calc(var(--header-height) + 16px);
}

.site-panel-alt {
    background: var(--color-white);
}

.site-panel-row {
    display: flex;
    align-items: flex-start;
    gap: 32px;
}

.site-panel-row.reverse {
    flex-direction: row-reverse;
}

.site-panel-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    font-size: 24px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.site-panel-body {
    flex: 1;
    min-width: 0;
}

.site-panel-body p {
    font-size: 15px;
    color: var(--color-text);
    margin-bottom: 16px;
}

.site-checklist {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px 20px;
}

.site-checklist li {
    font-size: 14px;
    color: var(--color-text-light);
    padding-left: 20px;
    position: relative;
}

.site-checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 2px;
}

.site-contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 8px;
}

.site-contact-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.site-contact-card h4 {
    font-size: 14px;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.site-contact-card p {
    font-size: 13px;
    color: var(--color-text-light);
    margin: 0;
}

/* ===== 知识区 ===== */
.site-knowledge {
    padding: 56px 0;
    background: var(--color-bg);
}

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

.site-knowledge-card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.site-knowledge-card h3 {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 12px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-accent-bg);
}

.site-knowledge-card p {
    font-size: 14px;
    color: var(--color-text-light);
    margin-bottom: 10px;
    line-height: 1.75;
}

.site-knowledge-card p:last-child {
    margin-bottom: 0;
}

.site-knowledge-card strong {
    color: var(--color-text);
}

/* ===== 流程 ===== */
.site-flow {
    padding: 56px 0;
    background: var(--color-white);
}

.site-flow-steps {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    counter-reset: flow;
}

.site-flow-steps li {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px 16px;
    text-align: center;
    position: relative;
}

.flow-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 16px;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 12px;
}

.site-flow-steps h4 {
    font-size: 15px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.site-flow-steps p {
    font-size: 13px;
    color: var(--color-text-light);
    margin: 0;
}

/* ===== 首页文章 ===== */
.home-articles {
    padding: 56px 0;
    background: var(--color-bg);
}

.home-articles .section-more {
    text-align: center;
    margin: -12px 0 28px;
}

.home-articles .more-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 14px;
}

.home-articles .more-link:hover {
    text-decoration: underline;
}

.home-article-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
}

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

.home-article-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.home-article-link {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
}

.home-article-thumb {
    width: 100%;
    height: 120px;
    overflow: hidden;
    background: var(--color-border-light);
}

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

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

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

.home-article-title {
    font-size: 13px;
    color: var(--color-primary);
    line-height: 1.45;
    margin-bottom: 6px;
    height: 38px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color var(--transition);
}

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

.home-article-date {
    font-size: 11px;
    color: var(--color-text-light);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--color-primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 40px 0 20px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

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

.footer-section h3 {
    color: var(--color-white);
    font-size: 15px;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

.footer-section p {
    font-size: 13px;
    line-height: 1.7;
    color: rgba(255,255,255,0.65);
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 8px;
    font-size: 13px;
    color: rgba(255,255,255,0.65);
}

.footer-links a {
    color: rgba(255,255,255,0.65);
    text-decoration: none;
    transition: color var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
}

.footer-info h3 {
    font-size: 16px;
    color: var(--color-white);
    margin-bottom: 6px;
}

.footer-info p {
    font-size: 13px;
    color: rgba(255,255,255,0.55);
    margin-bottom: 10px;
}

.footer-copyright {
    font-size: 12px;
    color: rgba(255,255,255,0.45);
}

.footer-copyright a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
}

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

/* ===== 内容页 / 列表页 ===== */
.page-banner {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: calc(var(--header-height) + 32px) 0 28px;
}

.breadcrumb {
    font-size: 13px;
    color: rgba(255,255,255,0.65);
    margin-bottom: 8px;
}

.breadcrumb a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
}

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

.breadcrumb .sep {
    margin: 0 8px;
    opacity: 0.5;
}

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

.page-title {
    font-size: clamp(20px, 3vw, 26px);
    font-weight: 600;
    margin: 0;
}

.main-content {
    padding: 32px 0 48px;
}

.content-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 24px;
    align-items: start;
}

/* 内容页 */
.article-main {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 28px;
    overflow: hidden;
    min-width: 0;
}

.article-header {
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 18px;
    margin-bottom: 22px;
}

.article-title {
    font-size: clamp(20px, 3vw, 26px);
    color: var(--color-primary);
    line-height: 1.4;
    margin-bottom: 14px;
    word-break: break-word;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    font-size: 13px;
    color: var(--color-text-light);
}

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

.article-thumb {
    margin-bottom: 22px;
    text-align: center;
}

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

.article-thumb img[src=""],
.article-thumb img:not([src]) {
    display: none;
}

.article-body {
    font-size: 15px;
    line-height: 1.85;
    color: var(--color-text);
    word-wrap: break-word;
    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-figure {
    margin-bottom: 16px;
    text-align: center;
}

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

.article-figure figcaption {
    font-size: 13px;
    color: var(--color-text-light);
    margin-top: 8px;
}

.z3dbf6meta-tags {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 22px 0;
    padding-top: 18px;
    border-top: 1px solid var(--color-border);
}

.z3dbf6tagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    border-radius: 20px;
    font-size: 12px;
    text-decoration: none;
}

.z3dbf6tagitem a:hover {
    background: var(--color-accent);
    color: var(--color-white);
}

.clear {
    clear: both;
    width: 100%;
}

.article-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.article-nav-item {
    flex: 1;
    min-width: 0;
    font-size: 14px;
}

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

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

.article-nav-item a {
    color: var(--color-text);
    text-decoration: none;
    word-break: break-all;
}

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

.related-articles {
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.block-title {
    font-size: 18px;
    color: var(--color-primary);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-accent);
    display: inline-block;
}

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

.related-item {
    border-bottom: 1px dashed var(--color-border);
}

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

.related-link {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    text-decoration: none;
}

.related-link:hover {
    background: var(--color-bg);
}

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

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

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

.related-title {
    display: block;
    font-size: 14px;
    color: var(--color-primary);
    margin-bottom: 4px;
    line-height: 1.4;
}

.related-link:hover .related-title {
    color: var(--color-accent);
}

.related-desc {
    font-size: 13px;
    color: var(--color-text-light);
    margin: 0;
    line-height: 1.5;
}

/* 列表页 */
.list-main {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 20px;
    overflow: hidden;
    min-width: 0;
}

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

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

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

.list-item-link {
    display: flex;
    gap: 16px;
    padding: 16px 0;
    text-decoration: none;
}

.list-item-link:hover {
    background: var(--color-bg);
}

.list-item-thumb {
    flex-shrink: 0;
    width: 180px;
    height: 130px;
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--color-border-light);
    border: 1px solid var(--color-border);
}

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

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

.list-item-title {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.4;
    transition: color var(--transition);
}

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

.list-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 8px;
}

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

.list-item-intro {
    font-size: 14px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin: 0;
}

/* 分页 */
.pagebar {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--color-border);
}

.pagebar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}

.page-nav-left,
.page-nav-right {
    flex-shrink: 0;
}

.page-nav-left {
    text-align: left;
}

.page-nav-right {
    text-align: right;
}

.page-nav-center {
    flex: 1;
    text-align: center;
    min-width: 0;
}

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

.pagelist li,
.pagelist a,
.page-nav-left a,
.page-nav-right a {
    display: inline-block;
    padding: 7px 12px;
    background: var(--color-bg);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 13px;
    text-decoration: none;
    transition: all var(--transition);
    margin-left: 4px;
}

.page-nav-left a:first-child,
.page-nav-right a:first-child {
    margin-left: 0;
}

.pagelist a:hover,
.page-nav-left a:hover,
.page-nav-right a:hover {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

.pagelist .thisclass a,
.pagelist .thisclass {
    background: var(--color-accent);
    color: var(--color-white);
    border-color: var(--color-accent);
}

/* 侧栏 */
.sidebar {
    position: sticky;
    top: calc(var(--header-height) + 16px);
    min-width: 0;
}

.sidebar-widget {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 18px;
    overflow: hidden;
}

.sidebar-title {
    font-size: 15px;
    color: var(--color-primary);
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--color-accent);
}

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

.sidebar-list li {
    border-bottom: 1px dashed var(--color-border-light);
}

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

.sidebar-item {
    display: flex;
    gap: 10px;
    padding: 10px 0;
    text-decoration: none;
    align-items: center;
}

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

.sidebar-thumb {
    flex-shrink: 0;
    width: 56px;
    height: 42px;
    overflow: hidden;
    border-radius: 4px;
    background: var(--color-border-light);
    border: 1px solid var(--color-border);
}

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

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

.sidebar-item-title {
    display: block;
    font-size: 13px;
    color: var(--color-text);
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: color var(--transition);
}

.sidebar-item-date {
    font-size: 11px;
    color: var(--color-text-light);
}

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
    .home-article-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .content-layout {
        grid-template-columns: minmax(0, 1fr) 260px;
    }
}

@media (max-width: 991px) {
    .site-hero-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .site-hero-side {
        order: -1;
    }

    .site-hero-img {
        max-height: 260px;
    }

    .site-trust-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .site-checklist {
        grid-template-columns: 1fr;
    }

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

    .site-knowledge-grid {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .sidebar {
        position: static;
    }

    .list-item-thumb {
        width: 150px;
        height: 110px;
    }
}

@media (max-width: 767px) {
    .site-panel-row,
    .site-panel-row.reverse {
        flex-direction: column;
        gap: 20px;
    }

    .site-intro-box {
        padding: 22px 18px;
    }

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

    .site-flow-steps {
        grid-template-columns: 1fr;
    }

    .home-article-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

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

    .article-main,
    .list-main {
        padding: 18px 14px;
    }

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

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

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

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

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

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

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

    .page-nav-left,
    .page-nav-right,
    .page-nav-center {
        text-align: center;
    }

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

@media (max-width: 575px) {
    .container {
        padding: 0 14px;
    }

    .site-hero {
        padding: calc(var(--header-height) + 32px) 0 40px;
    }

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

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

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

    .btn {
        width: 100%;
    }

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

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

    .nav {
        width: 100%;
        max-width: none;
    }
}

@media print {
    .header,
    .site-hero,
    .footer,
    .sidebar,
    .page-banner {
        display: none;
    }

    body {
        background: #fff;
        color: #000;
    }
}