/* ========================================
   黑客24小时在线接单网站 - 官方主题样式
   配色：深靛蓝 + 琥珀橙 + 冷灰
   ======================================== */
:root {
    --color-primary: #1a2744;
    --color-primary-light: #243356;
    --color-accent: #d4820a;
    --color-accent-hover: #b86e00;
    --color-link: #3d6cb9;
    --color-text: #1c2333;
    --color-text-muted: #5a6478;
    --color-bg: #f4f6f9;
    --color-surface: #ffffff;
    --color-border: #dde2eb;
    --color-border-light: #eaedf3;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 4px rgba(26, 39, 68, 0.06);
    --shadow-md: 0 4px 16px rgba(26, 39, 68, 0.08);
    --shadow-lg: 0 8px 28px rgba(26, 39, 68, 0.1);
    --transition: 0.25s ease;
    --nav-height: 64px;
    --container-width: 1180px;
    --sidebar-width: 300px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

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

/* ========== 导航 ========== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: box-shadow var(--transition);
}

.navbar.scroll-down {
    box-shadow: var(--shadow-md);
}

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

.nav-brand-link {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 220px;
}

.nav-brand-link:hover {
    color: var(--color-accent);
}

.nav-menu {
    flex: 1;
    overflow: hidden;
}

.nav-list {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 2px;
    list-style: none;
}

.nav-link {
    display: block;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    white-space: nowrap;
    transition: background var(--transition), color var(--transition);
}

.nav-link:hover,
.nav-link.active,
.nav-list .z656c7this .nav-link {
    color: var(--color-accent);
    background: rgba(212, 130, 10, 0.08);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
}

.mobile-menu span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    transition: transform var(--transition), opacity var(--transition);
}

.mobile-menu.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

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

.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(320px, 85vw);
    height: 100vh;
    background: var(--color-surface);
    padding: calc(var(--nav-height) + 16px) 20px 20px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    overflow-y: auto;
    transition: right 0.3s ease;
}

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

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

.mobile-nav-link {
    display: block;
    padding: 12px 14px;
    font-size: 15px;
    color: var(--color-text);
    border-radius: var(--radius-sm);
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link:hover,
.mobile-nav-link.active,
.mobile-nav-list .z656c7this .mobile-nav-link {
    color: var(--color-accent);
    background: rgba(212, 130, 10, 0.06);
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(26, 39, 68, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    z-index: 998;
}

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

/* ========== 首页首屏 ========== */
.banner {
    padding: calc(var(--nav-height) + 48px) 0 56px;
    background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: #fff;
}

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

.banner-tag {
    display: inline-block;
    padding: 4px 14px;
    font-size: 12px;
    letter-spacing: 1px;
    background: rgba(212, 130, 10, 0.25);
    border: 1px solid rgba(212, 130, 10, 0.5);
    border-radius: 20px;
    margin-bottom: 16px;
}

.banner-title {
    font-size: clamp(26px, 4vw, 38px);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 14px;
}

.banner-desc {
    font-size: 16px;
    opacity: 0.9;
    margin-bottom: 12px;
    line-height: 1.6;
}

.banner-intro {
    font-size: 14px;
    opacity: 0.82;
    line-height: 1.8;
    margin-bottom: 24px;
}

.banner-intro strong {
    color: #f0c060;
    font-weight: 600;
}

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

.btn {
    display: inline-block;
    padding: 10px 24px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    border: 1px solid var(--color-accent);
}

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

.btn-outline {
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.5);
}

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

.banner-visual {
    position: relative;
}

.banner-img {
    width: 100%;
    aspect-ratio: 4/3;
    object-fit: cover;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.banner-stats {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 14px 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
}

.stat-item strong {
    display: block;
    font-size: 22px;
    color: var(--color-accent);
    margin-bottom: 2px;
}

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

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

.section-head {
    text-align: center;
    margin-bottom: 40px;
}

.section-head-left {
    text-align: left;
    margin-bottom: 20px;
}

.section-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.section-title {
    font-size: clamp(22px, 3vw, 28px);
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 10px;
}

.section-sub {
    font-size: 15px;
    color: var(--color-text-muted);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.7;
}

.section-sub strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ========== 核心服务 ========== */
.section-services {
    background: var(--color-surface);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

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

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

.service-num {
    display: inline-block;
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    background: rgba(212, 130, 10, 0.1);
    padding: 2px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.service-item h3 {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

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

/* ========== 安全与收费 ========== */
.section-trust {
    background: var(--color-bg);
}

.trust-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.trust-block {
    padding: 28px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.trust-block p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.trust-list {
    list-style: none;
    padding: 0;
}

.trust-list li {
    position: relative;
    padding: 8px 0 8px 20px;
    font-size: 14px;
    color: var(--color-text);
    border-bottom: 1px solid var(--color-border-light);
    line-height: 1.6;
}

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

.trust-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 16px;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.pricing-table {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pricing-row {
    display: grid;
    grid-template-columns: 90px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
    font-size: 14px;
}

.pricing-name {
    font-weight: 600;
    color: var(--color-primary);
}

.pricing-desc {
    color: var(--color-text-muted);
}

.pricing-tag {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-accent);
    white-space: nowrap;
}

/* ========== 流程 ========== */
.section-flow {
    background: var(--color-surface);
}

.flow-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
}

.flow-step {
    flex: 1;
    max-width: 220px;
    text-align: center;
    padding: 20px 16px;
}

.flow-icon {
    width: 44px;
    height: 44px;
    line-height: 44px;
    margin: 0 auto 14px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    background: var(--color-primary);
    border-radius: 50%;
}

.flow-step h3 {
    font-size: 15px;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.flow-step p {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.6;
}

.flow-arrow {
    flex-shrink: 0;
    width: 40px;
    height: 2px;
    background: var(--color-border);
    margin-top: 42px;
    position: relative;
}

.flow-arrow::after {
    content: "";
    position: absolute;
    right: 0;
    top: -4px;
    border: 5px solid transparent;
    border-left-color: var(--color-border);
}

/* ========== 知识 ========== */
.section-knowledge {
    background: var(--color-bg);
}

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

.knowledge-card {
    padding: 24px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-accent);
}

.knowledge-card h3 {
    font-size: 16px;
    color: var(--color-primary);
    margin-bottom: 10px;
    line-height: 1.4;
}

.knowledge-card p {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.knowledge-card strong {
    color: var(--color-text);
    font-weight: 600;
}

/* ========== FAQ ========== */
.section-faq {
    background: var(--color-surface);
}

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

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 10px;
    overflow: hidden;
    background: var(--color-bg);
}

.faq-item summary {
    padding: 16px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    list-style: none;
    transition: background var(--transition);
}

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

.faq-item summary::after {
    content: "+";
    float: right;
    font-size: 18px;
    color: var(--color-accent);
    font-weight: 400;
}

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

.faq-item summary:hover {
    background: rgba(212, 130, 10, 0.05);
}

.faq-item p {
    padding: 0 20px 16px;
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

.faq-item strong {
    color: var(--color-text);
}

/* ========== 首页文章 ========== */
.section-articles {
    background: var(--color-bg);
}

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

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

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

.home-article-link {
    display: block;
    color: inherit;
}

.home-article-thumb {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-bg);
}

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

.home-article-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.4;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.home-article-date {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* ========== 页脚 ========== */
.footer {
    background: var(--color-primary);
    color: rgba(255, 255, 255, 0.85);
    padding: 48px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 32px;
    margin-bottom: 32px;
}

.footer-info h3 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 12px;
}

.footer-info p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

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

.footer-links a {
    display: block;
    padding: 5px 0;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 13px;
    line-height: 1.8;
    opacity: 0.75;
    margin-bottom: 4px;
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom p {
    font-size: 13px;
    opacity: 0.55;
    margin-bottom: 4px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.8);
}

.friend-links {
    background: var(--color-primary-light);
    padding: 12px 20px;
    text-align: center;
    font-size: 12px;
}

.friend-links li {
    display: inline-block;
    margin: 2px 8px;
}

.friend-links a {
    color: rgba(255, 255, 255, 0.6);
}

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

/* ========== 内页通用 ========== */
.page-banner {
    padding: calc(var(--nav-height) + 28px) 0 24px;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}

.breadcrumb a {
    color: var(--color-link);
}

.breadcrumb-sep {
    margin: 0 6px;
    color: var(--color-border);
}

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

.page-title {
    font-size: clamp(22px, 3vw, 28px);
    color: var(--color-primary);
    font-weight: 700;
}

.page-content {
    padding: 32px 0 56px;
}

.page-layout {
    display: grid;
    grid-template-columns: 1fr var(--sidebar-width);
    gap: 24px;
    align-items: start;
}

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

/* ========== 内容页 ========== */
.article-detail {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 28px;
    margin-bottom: 20px;
}

.article-header {
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--color-border-light);
}

.article-title {
    font-size: clamp(20px, 3vw, 26px);
    color: var(--color-primary);
    line-height: 1.4;
    margin-bottom: 12px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    font-size: 13px;
    color: var(--color-text-muted);
}

.article-meta a {
    color: var(--color-link);
}

.meta-icon {
    font-style: normal;
}

.article-thumb {
    margin-bottom: 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    max-height: 420px;
}

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

.article-body {
    font-size: 15px;
    line-height: 1.85;
    color: var(--color-text);
    word-break: break-word;
    overflow-wrap: break-word;
}

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

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

.z656c7diyfield {
    margin: 20px 0;
    padding: 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-sm);
}

.article-images {
    margin: 20px 0;
}

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

.article-image-item img {
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-light);
}

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

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

.tags-label {
    font-size: 13px;
    color: var(--color-text-muted);
}

.z656c7meta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    list-style: none;
}

.z656c7tagitem a {
    display: inline-block;
    padding: 3px 12px;
    font-size: 12px;
    color: var(--color-link);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    transition: background var(--transition), color var(--transition);
}

.z656c7tagitem a:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

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

.article-nav-item {
    flex: 1;
    max-width: 48%;
    font-size: 14px;
    line-height: 1.6;
}

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

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

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

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

.article-nav-item span {
    color: var(--color-text-muted);
    font-size: 13px;
}

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

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

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

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

.related-link {
    display: flex;
    gap: 14px;
    padding: 14px 0;
    color: inherit;
}

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

.related-thumb {
    flex-shrink: 0;
    width: 110px;
    height: 72px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

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

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

.related-title {
    font-size: 15px;
    color: var(--color-primary);
    margin-bottom: 4px;
    line-height: 1.4;
    transition: color var(--transition);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.related-desc {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 列表页 ========== */
.listbox {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 4px 20px;
    margin-bottom: 16px;
}

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

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

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

.article-list-link {
    display: flex;
    gap: 18px;
    padding: 18px 0;
    color: inherit;
    transition: background var(--transition);
}

.article-list-link:hover {
    background: rgba(212, 130, 10, 0.03);
}

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

.article-list-thumb {
    flex-shrink: 0;
    width: 200px;
    height: 130px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

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

.article-list-body {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.article-list-title {
    font-size: 17px;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1.4;
    transition: color var(--transition);
}

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

.meta-tag {
    padding: 1px 8px;
    background: rgba(212, 130, 10, 0.1);
    color: var(--color-accent);
    border-radius: 4px;
    font-size: 12px;
}

.article-list-intro {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ========== 分页 ========== */
.pagebar {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
}

.z656c7pages .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 6px;
    list-style: none;
}

.z656c7pages .pagelist li {
    display: inline-block;
}

.z656c7pages .pagelist a,
.z656c7pages .pagelist span {
    display: inline-block;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: background var(--transition), color var(--transition);
    white-space: nowrap;
}

.z656c7pages .pagelist a:hover {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
}

.z656c7pages .pagelist .thisclass span,
.z656c7pages .pagelist .thisclass a {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.z656c7pages .pagelist .pageinfo {
    width: 100%;
    text-align: center;
    border: none;
    color: var(--color-text-muted);
    padding-bottom: 6px;
    font-size: 13px;
}

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

.sidebar-widget {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.sidebar-widget-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

.sidebar-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-primary);
    margin: 0;
}

.sidebar-article-list {
    list-style: none;
    padding: 8px 0;
    max-height: none;
}

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

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

.sidebar-article-item a {
    display: flex;
    gap: 10px;
    padding: 10px 16px;
    color: inherit;
    transition: background var(--transition);
}

.sidebar-article-item a:hover {
    background: rgba(212, 130, 10, 0.04);
}

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

.sidebar-thumb {
    flex-shrink: 0;
    width: 72px;
    height: 52px;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    background: var(--color-bg);
}

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

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

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

.sidebar-article-date {
    font-size: 11px;
    color: var(--color-text-muted);
    margin-top: 3px;
    display: block;
}

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

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

@media (max-width: 992px) {
    .nav-menu {
        display: none;
    }

    .mobile-menu {
        display: flex;
    }

    .banner-inner {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .banner-visual {
        order: -1;
    }

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

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

    .page-sidebar {
        position: static;
    }

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

    .flow-steps {
        flex-wrap: wrap;
        gap: 8px;
    }

    .flow-arrow {
        display: none;
    }

    .flow-step {
        flex: 1 1 calc(50% - 8px);
        max-width: none;
        padding: 16px;
        background: var(--color-bg);
        border: 1px solid var(--color-border);
        border-radius: var(--radius-md);
    }

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

    .article-list-thumb {
        width: 160px;
        height: 105px;
    }
}

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

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

    .pricing-row {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .pricing-tag {
        justify-self: start;
    }

    .banner-stats {
        flex-direction: row;
    }

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

    .article-detail {
        padding: 20px 16px;
    }

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

    .article-nav-item {
        max-width: 100%;
    }

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

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

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

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

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

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

    .nav-brand-link {
        max-width: 160px;
        font-size: 16px;
    }
}

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

    .banner {
        padding-top: calc(var(--nav-height) + 32px);
        padding-bottom: 40px;
    }

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

    .btn {
        text-align: center;
    }

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

    .flow-step {
        flex: 1 1 100%;
    }

    .listbox {
        padding: 4px 14px;
    }

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

/* ========== 打印 ========== */
@media print {
    .navbar,
    .mobile-menu,
    .mobile-nav,
    .overlay,
    .footer,
    .friend-links,
    .page-sidebar {
        display: none;
    }

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

    .banner {
        background: none;
        color: #000;
        padding-top: 20px;
    }
}