/* ===== 设计令牌：深紫罗兰 + 玫瑰金 + 青绿 ===== */
:root {
    --c-primary: #5c3d7a;
    --c-primary-dark: #452d5c;
    --c-accent: #c9896b;
    --c-accent-light: #f0e4dc;
    --c-secondary: #2d7d6f;
    --c-bg: #f7f5f9;
    --c-surface: #ffffff;
    --c-text: #2a2630;
    --c-muted: #6b6574;
    --c-border: rgba(92, 61, 122, 0.12);
    --c-shadow: rgba(69, 45, 92, 0.08);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --header-h: 68px;
}

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

body {
    margin: 0;
    padding: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--c-bg);
    color: var(--c-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

a {
    color: var(--c-primary);
}

/* ===== 布局容器 ===== */
.za21dccontainer {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

/* ===== 顶栏导航 ===== */
.za21dcsite-header {
    background: var(--c-surface);
    box-shadow: 0 1px 0 var(--c-border), 0 4px 20px var(--c-shadow);
    position: sticky;
    top: 0;
    z-index: 200;
}

.za21dcheader-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: var(--header-h);
}

.za21dclogo {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--c-primary);
    letter-spacing: 0.5px;
    flex-shrink: 0;
    line-height: 1.3;
}

.za21dcnav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-sm);
    padding: 8px 12px;
    cursor: pointer;
    color: var(--c-primary);
    font-size: 0.9rem;
}

.za21dcmain-nav {
    flex: 1;
    min-width: 0;
}

.za21dcnav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px 20px;
}

.za21dcnav a {
    text-decoration: none;
    color: var(--c-text);
    font-size: 0.95rem;
    padding: 6px 2px;
    transition: color 0.2s;
    white-space: nowrap;
}

.za21dcnav a:hover {
    color: var(--c-accent);
}

.za21dcnav .za21dcthis a,
.za21dcnav-item.za21dcthis > a {
    color: var(--c-primary);
    font-weight: 600;
    border-bottom: 2px solid var(--c-accent);
}

.za21dcnav-item {
    position: relative;
}

.za21dcnav-child {
    display: none;
    position: absolute;
    left: 0;
    top: 100%;
    margin: 6px 0 0;
    padding: 6px 0;
    min-width: 168px;
    background: var(--c-surface);
    border-radius: var(--radius-md);
    box-shadow: 0 10px 32px var(--c-shadow);
    border: 1px solid var(--c-border);
    z-index: 220;
}

.za21dcnav-dd {
    margin: 0;
}

.za21dcnav-dd a {
    display: block;
    padding: 8px 14px;
    font-size: 0.88rem;
    color: var(--c-muted);
    border-bottom: none;
}

.za21dcnav-dd a:hover {
    background: var(--c-accent-light);
    color: var(--c-primary);
}

.za21dcnav-item:hover .za21dcnav-child,
.za21dcnav-item:focus-within .za21dcnav-child {
    display: block;
}

/* ===== 首页 Hero ===== */
.za21dchero {
    background: linear-gradient(135deg, #ede8f3 0%, #faf7f4 50%, #e8f2ef 100%);
    padding: 56px 0 64px;
    border-bottom: 1px solid var(--c-border);
}

.za21dchero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.za21dchero-badge {
    display: inline-block;
    background: var(--c-surface);
    color: var(--c-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid rgba(45, 125, 111, 0.25);
    margin-bottom: 16px;
}

.za21dchero h1 {
    font-size: clamp(1.5rem, 3.5vw, 2.25rem);
    color: var(--c-primary-dark);
    margin: 0 0 16px;
    line-height: 1.35;
    font-weight: 700;
}

.za21dchero-lead {
    font-size: 1.05rem;
    color: var(--c-muted);
    margin: 0 0 24px;
    line-height: 1.75;
}

.za21dchero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.za21dccta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--c-primary) 0%, var(--c-primary-dark) 100%);
    color: #fff;
    padding: 13px 32px;
    border-radius: 30px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 16px rgba(92, 61, 122, 0.3);
}

.za21dccta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 22px rgba(92, 61, 122, 0.4);
    color: #fff;
}

.za21dccta-btn--outline {
    background: transparent;
    color: var(--c-primary);
    border: 2px solid var(--c-primary);
    box-shadow: none;
}

.za21dccta-btn--outline:hover {
    background: var(--c-accent-light);
    color: var(--c-primary-dark);
}

.za21dchero-image {
    position: relative;
}

.za21dchero-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 48px var(--c-shadow);
    border: 1px solid var(--c-border);
}

.za21dchero-float {
    position: absolute;
    bottom: -12px;
    left: -12px;
    background: var(--c-surface);
    padding: 12px 18px;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 24px var(--c-shadow);
    border: 1px solid var(--c-border);
    font-size: 0.85rem;
    color: var(--c-secondary);
    font-weight: 600;
}

/* ===== 信任条 ===== */
.za21dctrust-bar {
    background: var(--c-surface);
    padding: 20px 0;
    border-bottom: 1px solid var(--c-border);
}

.za21dctrust-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    list-style: none;
    margin: 0;
    padding: 0;
}

.za21dctrust-list li {
    text-align: center;
    padding: 12px 8px;
    border-radius: var(--radius-sm);
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    font-size: 0.88rem;
    color: var(--c-muted);
    line-height: 1.4;
}

.za21dctrust-list strong {
    display: block;
    color: var(--c-primary);
    font-size: 1rem;
    margin-bottom: 4px;
}

/* ===== 通用板块 ===== */
.za21dcsection {
    padding: 56px 0;
}

.za21dcsection--alt {
    background: var(--c-surface);
}

.za21dcsection-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 40px;
}

.za21dcsection-head h2 {
    font-size: clamp(1.35rem, 2.5vw, 1.85rem);
    color: var(--c-primary-dark);
    margin: 0 0 12px;
}

.za21dcsection-sub {
    color: var(--c-muted);
    font-size: 1rem;
    margin: 0;
    line-height: 1.7;
}

/* ===== 关于 / 平台介绍 ===== */
.za21dcabout-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.za21dcabout-card {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--c-border);
    box-shadow: 0 2px 12px var(--c-shadow);
    transition: transform 0.2s;
}

.za21dcabout-card:hover {
    transform: translateY(-3px);
}

.za21dccard-icon {
    font-size: 2rem;
    margin-bottom: 12px;
}

.za21dcabout-card h3 {
    color: var(--c-primary);
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.za21dcabout-card p {
    color: var(--c-muted);
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.7;
}

.za21dcabout-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.za21dcstat-item {
    text-align: center;
    padding: 20px 12px;
    background: linear-gradient(145deg, #ede8f3, #faf7f4);
    border-radius: var(--radius-md);
    border: 1px solid var(--c-border);
}

.za21dcstat-number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 6px;
}

.za21dcstat-label {
    font-size: 0.88rem;
    color: var(--c-muted);
}

/* ===== 服务流程 ===== */
.za21dcprocess-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.za21dcprocess-step {
    text-align: center;
    padding: 24px 16px;
    background: var(--c-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--c-border);
    position: relative;
}

.za21dcprocess-num {
    width: 36px;
    height: 36px;
    line-height: 36px;
    border-radius: 50%;
    background: var(--c-primary);
    color: #fff;
    font-weight: 700;
    margin: 0 auto 12px;
    font-size: 0.95rem;
}

.za21dcprocess-step h3 {
    font-size: 1rem;
    color: var(--c-primary-dark);
    margin: 0 0 8px;
}

.za21dcprocess-step p {
    font-size: 0.88rem;
    color: var(--c-muted);
    margin: 0;
    line-height: 1.55;
}

/* ===== 服务项目 ===== */
.za21dcservices-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.za21dcservice-card {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--c-border);
    box-shadow: 0 2px 12px var(--c-shadow);
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.za21dcservice-card:hover {
    border-color: rgba(92, 61, 122, 0.25);
    box-shadow: 0 8px 28px var(--c-shadow);
}

.za21dcservice-icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
}

.za21dcservice-card h3 {
    color: var(--c-primary);
    margin: 0 0 10px;
    font-size: 1.1rem;
}

.za21dcservice-desc {
    color: var(--c-muted);
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0 0 16px;
    flex: 1;
}

.za21dcservice-features-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.za21dcfeature-item {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    padding: 8px 10px;
    background: var(--c-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    font-size: 0.8rem;
    color: var(--c-muted);
    min-width: 0;
}

.za21dcfeature-icon {
    flex-shrink: 0;
    font-size: 0.95rem;
}

.za21dcfeature-item span {
    line-height: 1.35;
    word-break: break-word;
}

.za21dcservice-price {
    display: block;
    width: 100%;
    text-align: center;
    padding: 11px;
    background: var(--c-accent-light);
    color: var(--c-primary);
    font-weight: 600;
    font-size: 0.95rem;
    border: 1px solid rgba(201, 137, 107, 0.35);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.2s;
}

.za21dcservice-price:hover {
    background: #e8d5c8;
}

/* ===== 优势保障 ===== */
.za21dcadvantages-showcase {
    margin-bottom: 28px;
}

.za21dcadvantage-main {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
    background: linear-gradient(135deg, #ede8f3 0%, var(--c-surface) 100%);
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 1px solid var(--c-border);
    overflow: hidden;
}

.za21dcadvantage-main-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

.za21dcadvantage-main h3 {
    color: var(--c-primary-dark);
    font-size: 1.4rem;
    margin: 0 0 12px;
}

.za21dcadvantage-main p {
    color: var(--c-muted);
    margin: 0 0 16px;
    line-height: 1.7;
    font-size: 0.96rem;
}

.za21dcadvantage-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.za21dchighlight-tag {
    background: var(--c-primary);
    color: #fff;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.82rem;
}

.za21dcvisual-element {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(92, 61, 122, 0.15), transparent 70%);
    border: 2px solid var(--c-border);
    flex-shrink: 0;
}

.za21dcadvantages-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.za21dcfeature-item-large {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    padding: 24px;
    border: 1px solid var(--c-border);
    min-width: 0;
}

.za21dcfeature-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.za21dcfeature-icon-circle {
    width: 48px;
    height: 48px;
    background: var(--c-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.za21dcfeature-header h4 {
    margin: 0;
    color: var(--c-primary);
    font-size: 1.05rem;
}

.za21dcfeature-item-large > p {
    color: var(--c-muted);
    font-size: 0.92rem;
    line-height: 1.65;
    margin: 0 0 16px;
}

.za21dcfeature-metrics {
    display: flex;
    gap: 20px;
}

.za21dcmetric {
    text-align: center;
    flex: 1;
    padding: 10px;
    background: var(--c-bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
}

.za21dcmetric-value {
    display: block;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--c-primary);
}

.za21dcmetric-label {
    font-size: 0.8rem;
    color: var(--c-muted);
}

/* ===== FAQ ===== */
.za21dcfaq-list {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.za21dcfaq-item {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    border: 1px solid var(--c-border);
    padding: 18px 22px;
}

.za21dcfaq-item h3 {
    margin: 0 0 8px;
    font-size: 1rem;
    color: var(--c-primary);
}

.za21dcfaq-item p {
    margin: 0;
    font-size: 0.92rem;
    color: var(--c-muted);
    line-height: 1.65;
}

/* ===== 首页文章 ===== */
.za21dchome-articles {
    padding: 56px 0;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
}

.za21dchome-articles-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 16px;
}

.za21dchome-article-card > :not(.za21dchome-article-link) {
    display: none !important;
}

.za21dchome-article-card {
    background: var(--c-bg);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--c-border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.za21dchome-article-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px var(--c-shadow);
}

.za21dchome-article-link {
    display: flex;
    flex-direction: column;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.za21dchome-article-thumb {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--c-accent-light);
}

.za21dchome-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.za21dchome-article-title {
    margin: 0;
    padding: 12px;
    font-size: 0.86rem;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== 内页顶栏 ===== */
.za21dcpage-hero {
    background: linear-gradient(135deg, #ede8f3 0%, #e8f2ef 100%);
    padding: 28px 0 32px;
    border-bottom: 1px solid var(--c-border);
}

.za21dcbreadcrumb {
    margin: 0 0 10px;
    font-size: 0.88rem;
    color: var(--c-muted);
}

.za21dcbreadcrumb a {
    color: var(--c-primary);
    text-decoration: none;
}

.za21dcsep {
    margin: 0 6px;
    color: #ccc;
}

.za21dcpage-title {
    margin: 0 0 8px;
    font-size: clamp(1.25rem, 3vw, 1.7rem);
    color: var(--c-primary-dark);
    line-height: 1.35;
    word-break: break-word;
}

.za21dcpage-desc {
    margin: 0;
    color: var(--c-muted);
    max-width: 760px;
    line-height: 1.65;
    font-size: 0.95rem;
}

.za21dcarticle-meta-bar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    margin-top: 10px;
    font-size: 0.88rem;
    color: var(--c-muted);
}

/* ===== 主栏 + 侧栏 ===== */
.za21dclayout-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    align-items: start;
    padding: 32px 20px 48px;
    max-width: 1180px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.za21dcmain-col {
    min-width: 0;
}

.za21dcarticle-main {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid var(--c-border);
    box-shadow: 0 2px 12px var(--c-shadow);
}

.za21dcmedia-row {
    display: grid;
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 20px;
    margin-bottom: 24px;
    align-items: start;
}

.za21dcarticle-thumb-wrap {
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--c-border);
}

.za21dcarticle-intro p {
    margin: 0;
    color: var(--c-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

.za21dcarticle-body {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--c-text);
    word-break: break-word;
    overflow-wrap: break-word;
}

.za21dcarticle-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
}

.za21dcimages {
    margin-top: 20px;
}

.za21dcimage-block {
    margin: 14px 0;
}

.za21dcimage-block figcaption {
    font-size: 0.86rem;
    color: var(--c-muted);
    margin-top: 6px;
}

.za21dcmeta-tags {
    list-style: none;
    padding: 16px 0 0;
    margin: 20px 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    border-top: 1px solid var(--c-border);
}

.za21dctagitem a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--c-bg);
    border-radius: 16px;
    font-size: 0.84rem;
    color: var(--c-primary);
    text-decoration: none;
    border: 1px solid var(--c-border);
}

.za21dcprenext {
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid var(--c-border);
    font-size: 0.9rem;
}

.za21dcprenext--bar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
}

.za21dcprenext a {
    color: var(--c-primary);
}

.za21dclike-block h2 {
    font-size: 1.1rem;
    color: var(--c-primary);
    margin: 24px 0 14px;
}

.za21dclike-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.za21dclike-item {
    display: grid;
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--c-border);
    background: var(--c-bg);
}

.za21dclike-thumb img {
    width: 100%;
    height: 68px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.za21dclike-text a {
    font-weight: 600;
    color: var(--c-text);
    text-decoration: none;
}

.za21dclike-text a:hover {
    color: var(--c-primary);
}

.za21dclike-text p {
    margin: 4px 0 0;
    font-size: 0.86rem;
    color: var(--c-muted);
    line-height: 1.5;
}

/* ===== 侧栏 ===== */
.za21dcsidebar {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    min-width: 0;
}

.za21dcsidebar-block {
    background: var(--c-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--c-border);
    box-shadow: 0 2px 10px var(--c-shadow);
}

.za21dcsidebar-title {
    margin: 0 0 12px;
    font-size: 1rem;
    color: var(--c-primary);
    padding-bottom: 8px;
    border-bottom: 2px solid var(--c-accent-light);
}

.za21dcsidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.za21dcsidebar-link {
    display: grid;
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
    align-items: center;
    text-decoration: none;
    color: var(--c-text);
    font-size: 0.82rem;
    line-height: 1.4;
}

.za21dcsidebar-thumb img {
    width: 100%;
    height: 46px;
    object-fit: cover;
    border-radius: 6px;
}

.za21dcsidebar-link:hover .za21dcsidebar-text {
    color: var(--c-primary);
}

/* ===== 列表页 ===== */
.za21dclist-ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.za21dclist-card {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 18px;
    background: var(--c-surface);
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--c-border);
    box-shadow: 0 2px 10px var(--c-shadow);
    min-width: 0;
}

.za21dclist-thumb {
    min-width: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.za21dclist-thumb img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.za21dclist-body {
    min-width: 0;
}

.za21dclist-channel a {
    font-size: 0.8rem;
    color: var(--c-secondary);
    text-decoration: none;
}

.za21dclist-title {
    display: block;
    margin: 6px 0 8px;
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--c-text);
    text-decoration: none;
    line-height: 1.4;
    word-break: break-word;
}

.za21dclist-title:hover {
    color: var(--c-primary);
}

.za21dclist-intro {
    margin: 0 0 8px;
    color: var(--c-muted);
    font-size: 0.9rem;
    line-height: 1.55;
}

.za21dclist-meta {
    font-size: 0.82rem;
    color: #999;
    display: flex;
    flex-wrap: wrap;
    gap: 10px 16px;
}

.za21dcpagebar {
    margin-top: 24px;
    padding: 12px 0;
}

.za21dcpagelist-split {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.za21dcpagelist-split a {
    color: var(--c-primary);
    text-decoration: none;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
}

.za21dcpagelist-split a:hover {
    background: var(--c-accent-light);
    border-color: var(--c-border);
}

/* ===== 页脚 ===== */
.za21dcsite-footer {
    background: linear-gradient(180deg, #2a2235 0%, #1e1828 100%);
    color: rgba(255, 255, 255, 0.75);
    padding: 40px 0 24px;
    font-size: 0.92rem;
}

.za21dcfooter-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
    gap: 32px;
    margin-bottom: 28px;
    text-align: left;
}

.za21dcfooter-contact h2,
.za21dcfooter-links h2 {
    font-size: 1rem;
    color: var(--c-accent);
    margin: 0 0 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.za21dcfooter-contact p {
    margin: 8px 0;
    line-height: 1.55;
}

.za21dcfooter-contact a,
.za21dcfooter-flinks-slot a,
.za21dcfooter-relate-sites a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.za21dcfooter-contact a:hover,
.za21dcfooter-flinks-slot a:hover,
.za21dcfooter-relate-sites a:hover {
    color: var(--c-accent);
}

.za21dcfooter-flink-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.za21dcfooter-flinks-slot ul,
.za21dcfooter-relate-sites {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
}

.za21dcfooter-flinks-slot li,
.za21dcfooter-relate-sites li {
    list-style: none;
}

.za21dcfooter-meta {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 18px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

.za21dcfooter-meta p {
    margin: 6px 0;
}

.za21dcfooter-meta a {
    color: var(--c-accent);
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .za21dchome-articles-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    .za21dcservices-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .za21dcprocess-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .za21dcnav-toggle {
        display: block;
    }
    .za21dcmain-nav {
        display: none;
        width: 100%;
        order: 3;
    }
    .za21dcmain-nav.is-open {
        display: block;
    }
    .za21dcheader-inner {
        flex-wrap: wrap;
    }
    .za21dcnav {
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        padding: 12px 0;
    }
    .za21dcnav-child {
        position: static;
        display: none;
        box-shadow: none;
        margin: 4px 0 0 12px;
        border: 1px solid var(--c-border);
    }
    .za21dcnav-item:hover .za21dcnav-child,
    .za21dcnav-item:focus-within .za21dcnav-child {
        display: block;
    }
    .za21dchero-content {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .za21dchero-float {
        position: static;
        margin-top: 12px;
        display: inline-block;
    }
    .za21dctrust-list {
        grid-template-columns: repeat(2, 1fr);
    }
    .za21dcabout-grid {
        grid-template-columns: 1fr;
    }
    .za21dcabout-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .za21dcadvantage-main {
        grid-template-columns: 1fr;
    }
    .za21dcvisual-element {
        display: none;
    }
    .za21dclayout-inner {
        grid-template-columns: 1fr;
        padding: 24px 16px 40px;
    }
    .za21dcsidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .za21dclist-card {
        grid-template-columns: 140px minmax(0, 1fr);
    }
    .za21dcmedia-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    :root {
        --header-h: 56px;
    }
    .za21dccontainer {
        padding: 0 14px;
    }
    .za21dclogo {
        font-size: 1.1rem;
    }
    .za21dchero {
        padding: 32px 0 40px;
    }
    .za21dcsection {
        padding: 36px 0;
    }
    .za21dctrust-list {
        grid-template-columns: 1fr;
    }
    .za21dcservices-grid {
        grid-template-columns: 1fr;
    }
    .za21dcprocess-grid {
        grid-template-columns: 1fr;
    }
    .za21dcadvantages-features {
        grid-template-columns: 1fr;
    }
    .za21dcservice-features-grid {
        grid-template-columns: 1fr;
    }
    .za21dcabout-stats {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }
    .za21dcstat-item {
        padding: 14px 8px;
    }
    .za21dcstat-number {
        font-size: 1.4rem;
    }
    .za21dchome-articles-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }
    .za21dcsidebar {
        grid-template-columns: 1fr;
    }
    .za21dclist-card {
        grid-template-columns: 1fr;
    }
    .za21dclist-thumb img {
        height: auto;
        max-height: 180px;
    }
    .za21dcarticle-main {
        padding: 16px;
    }
    .za21dcadvantage-main {
        padding: 22px;
    }
    .za21dcfeature-item-large {
        padding: 18px;
    }
    .za21dcfooter-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .za21dclike-item {
        grid-template-columns: 72px minmax(0, 1fr);
    }
    .za21dchero-actions {
        flex-direction: column;
    }
    .za21dccta-btn {
        text-align: center;
        width: 100%;
    }
}

@media (max-width: 400px) {
    .za21dchome-articles-grid {
        grid-template-columns: 1fr;
    }
}