/* ===== 变量 ===== */
:root {
    --c-primary: #0B1929;
    --c-accent: #00A896;
    --c-accent-hover: #008F7F;
    --c-highlight: #E76F51;
    --c-bg: #F7F9FC;
    --c-surface: #FFFFFF;
    --c-tint: #EEF3F8;
    --c-text: #1A2332;
    --c-muted: #5C6B7A;
    --c-border: #DDE4EC;
    --radius: 10px;
    --shadow: 0 4px 20px rgba(11,25,41,0.07);
    --header-h: 62px;
}

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

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

img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-accent); transition: color 0.2s; }
ul { list-style: none; }

.z74beecontainer {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ===== 头部 ===== */
.z74beeheader {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    height: var(--header-h);
    background: var(--c-surface);
    border-bottom: 1px solid var(--c-border);
    box-shadow: 0 1px 8px rgba(11,25,41,0.04);
}

.z74beeheader-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
}

.z74beelogo {
    font-size: 17px;
    font-weight: 700;
    flex-shrink: 0;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.z74beelogo a { color: var(--c-primary); text-decoration: none; }

.z74beemain-nav ul {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px;
}

.z74beemain-nav a {
    display: block;
    padding: 6px 9px;
    color: var(--c-muted);
    text-decoration: none;
    font-size: 13px;
    border-radius: 6px;
    white-space: nowrap;
    transition: color 0.2s, background 0.2s;
}

.z74beemain-nav a:hover,
.z74beemain-nav .z74beethis a,
.z74beemain-nav li.z74beethis a {
    color: var(--c-accent);
    background: rgba(0,168,150,0.08);
}

.z74beemenu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    background: none;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    cursor: pointer;
    padding: 6px;
}

.z74beemenu-toggle span {
    display: block;
    height: 2px;
    background: var(--c-primary);
    border-radius: 1px;
    transition: transform 0.3s, opacity 0.3s;
}

.z74beemenu-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.z74beemenu-toggle.active span:nth-child(2) { opacity: 0; }
.z74beemenu-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== 按钮 ===== */
.z74beebtn {
    display: inline-block;
    padding: 11px 22px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius);
    text-decoration: none;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
    text-align: center;
}

.z74beebtn-fill {
    background: var(--c-accent);
    color: #fff;
    border: 2px solid var(--c-accent);
}

.z74beebtn-fill:hover { background: var(--c-accent-hover); border-color: var(--c-accent-hover); color: #fff; }

.z74beebtn-ghost {
    background: transparent;
    color: var(--c-primary);
    border: 2px solid var(--c-border);
}

.z74beebtn-ghost:hover { border-color: var(--c-accent); color: var(--c-accent); }

/* ===== 首屏 ===== */
.z74beehero {
    position: relative;
    padding-top: calc(var(--header-h) + 48px);
    padding-bottom: 56px;
    overflow: hidden;
}

.z74beehero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 60% at 10% 20%, rgba(0,168,150,0.12) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 90% 80%, rgba(231,111,81,0.08) 0%, transparent 55%),
        linear-gradient(160deg, #EEF3F8 0%, #F7F9FC 50%, #E8F5F3 100%);
    z-index: 0;
}

.z74beehero-inner {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.z74beehero-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--c-accent);
    background: rgba(0,168,150,0.1);
    padding: 5px 12px;
    border-radius: 20px;
    margin-bottom: 14px;
}

.z74beehero h2 {
    font-size: 34px;
    font-weight: 800;
    color: var(--c-primary);
    line-height: 1.25;
    margin-bottom: 14px;
}

.z74beehero-lead {
    font-size: 15px;
    color: var(--c-muted);
    margin-bottom: 10px;
    line-height: 1.7;
}

.z74beehero-text {
    font-size: 14px;
    color: var(--c-text);
    margin-bottom: 24px;
    line-height: 1.75;
}

.z74beehero-btns { display: flex; flex-wrap: wrap; gap: 10px; }

.z74beehero-visual { display: flex; flex-direction: column; gap: 16px; align-items: center; }

.z74beehero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    width: 100%;
}

.z74beemetric {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 14px 10px;
    text-align: center;
    box-shadow: var(--shadow);
}

.z74beemetric b {
    display: block;
    font-size: 20px;
    color: var(--c-accent);
    margin-bottom: 2px;
}

.z74beemetric span { font-size: 11px; color: var(--c-muted); }

.z74beehero-img {
    max-height: 240px;
    object-fit: contain;
    filter: drop-shadow(0 10px 30px rgba(11,25,41,0.12));
}

/* ===== 通用板块 ===== */
.z74beesec { padding: 64px 0; }

.z74beesec-white { background: var(--c-surface); }
.z74beesec-tint { background: var(--c-tint); }
.z74beesec-dark { background: var(--c-primary); color: #fff; }

.z74beesec-top { margin-bottom: 36px; }
.z74beesec-top-light .z74beesec-title,
.z74beesec-top-light .z74beesec-desc { color: #fff; }

.z74beesec-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 8px;
}

.z74beesec-desc {
    font-size: 14px;
    color: var(--c-muted);
    max-width: 520px;
    line-height: 1.6;
}

/* ===== Bento 服务 ===== */
.z74beebento {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

.z74beebento-item {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 22px;
    transition: box-shadow 0.2s;
}

.z74beebento-item:hover { box-shadow: var(--shadow); }

.z74beebento-wide { grid-column: span 1; }

.z74beebento-label {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    color: var(--c-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.z74beebento-item h3 {
    font-size: 17px;
    color: var(--c-primary);
    margin-bottom: 8px;
}

.z74beebento-item p {
    font-size: 13px;
    color: var(--c-muted);
    line-height: 1.7;
}

/* ===== 专业保障 ===== */
.z74beepillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.z74beepillar {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
}

.z74beepillar-icon {
    width: 40px; height: 40px;
    background: rgba(0,168,150,0.12);
    border-radius: 50%;
    margin: 0 auto 12px;
    position: relative;
}

.z74beepillar-icon::after {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 12px; height: 12px;
    background: var(--c-accent);
    border-radius: 50%;
}

.z74beepillar h3 {
    font-size: 15px;
    color: var(--c-primary);
    margin-bottom: 8px;
}

.z74beepillar p {
    font-size: 12px;
    color: var(--c-muted);
    line-height: 1.65;
}

/* ===== 时间线 ===== */
.z74beetimeline {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 12px;
    position: relative;
}

.z74beetimeline::before {
    content: "";
    position: absolute;
    top: 22px; left: 8%; right: 8%;
    height: 2px;
    background: var(--c-border);
    z-index: 0;
}

.z74beetl-item {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 0 4px;
}

.z74beetl-item i {
    display: inline-flex;
    width: 36px; height: 36px;
    align-items: center;
    justify-content: center;
    background: var(--c-accent);
    color: #fff;
    font-style: normal;
    font-size: 14px;
    font-weight: 700;
    border-radius: 50%;
    margin-bottom: 10px;
    box-shadow: 0 0 0 4px var(--c-surface);
}

.z74beetl-item h3 {
    font-size: 13px;
    color: var(--c-primary);
    margin-bottom: 4px;
}

.z74beetl-item p {
    font-size: 11px;
    color: var(--c-muted);
    line-height: 1.5;
}

/* ===== FAQ ===== */
.z74beefaq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.z74beefaq {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.z74beefaq summary {
    padding: 14px 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--c-primary);
    cursor: pointer;
    list-style: none;
    position: relative;
    padding-right: 36px;
}

.z74beefaq summary::-webkit-details-marker { display: none; }

.z74beefaq summary::after {
    content: "+";
    position: absolute;
    right: 16px; top: 50%;
    transform: translateY(-50%);
    font-size: 16px;
    color: var(--c-accent);
}

.z74beefaq[open] summary::after { content: "−"; }

.z74beefaq p {
    padding: 0 18px 14px;
    font-size: 13px;
    color: var(--c-muted);
    line-height: 1.65;
}

/* ===== 文章资讯 ===== */
.z74beehome-article-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 14px;
}

.z74beehome-article-card {
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.z74beehome-article-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.z74beehome-article-thumb {
    display: block;
    height: 110px;
    overflow: hidden;
}

.z74beehome-article-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
}

.z74beehome-article-info { padding: 10px 12px 12px; }

.z74beehome-article-info h3 {
    font-size: 12px;
    line-height: 1.45;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 35px;
}

.z74beehome-article-info h3 a {
    color: var(--c-text);
    text-decoration: none;
}

.z74beehome-article-info h3 a:hover { color: var(--c-accent); }

/* ===== 案例 ===== */
.z74beecases-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.z74beecase {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius);
    padding: 20px 16px;
    border-top: 3px solid var(--c-accent);
}

.z74beecase span {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    color: var(--c-accent);
    margin-bottom: 8px;
}

.z74beecase h3 {
    font-size: 15px;
    color: #fff;
    margin-bottom: 8px;
}

.z74beecase p {
    font-size: 12px;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
}

/* ===== 行业资讯 ===== */
.z74beenews-list { display: flex; flex-direction: column; gap: 12px; }

.z74beenews-row {
    display: flex;
    gap: 20px;
    padding: 18px 20px;
    background: var(--c-bg);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    align-items: flex-start;
    transition: box-shadow 0.2s;
}

.z74beenews-row:hover { box-shadow: var(--shadow); }

.z74beenews-row time {
    flex-shrink: 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--c-accent);
    min-width: 80px;
    padding-top: 2px;
}

.z74beenews-row h3 {
    font-size: 15px;
    color: var(--c-primary);
    margin-bottom: 6px;
}

.z74beenews-row p {
    font-size: 13px;
    color: var(--c-muted);
    line-height: 1.6;
}

/* ===== 注意事项 ===== */
.z74beetips-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
}

.z74beetip {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 20px;
}

.z74beetip h3 {
    font-size: 15px;
    color: var(--c-primary);
    margin-bottom: 12px;
    padding-bottom: 8px;
    border-bottom: 2px solid var(--c-accent);
}

.z74beetip li {
    font-size: 13px;
    color: var(--c-muted);
    padding-left: 14px;
    position: relative;
    margin-bottom: 7px;
    line-height: 1.55;
}

.z74beetip li::before {
    content: "·";
    position: absolute;
    left: 2px;
    color: var(--c-accent);
    font-weight: 700;
}

/* ===== 知识补充 ===== */
.z74beeknowledge {
    padding: 48px 0;
    background: linear-gradient(135deg, rgba(0,168,150,0.06) 0%, rgba(11,25,41,0.04) 100%);
    border-top: 1px solid var(--c-border);
}

.z74beeknowledge-box {
    max-width: 780px;
    margin: 0 auto;
}

.z74beeknowledge-box h2 {
    font-size: 20px;
    color: var(--c-primary);
    margin-bottom: 14px;
    text-align: center;
}

.z74beeknowledge-box p {
    font-size: 13px;
    color: var(--c-muted);
    line-height: 1.8;
    margin-bottom: 10px;
}

.z74beeknowledge-box p:last-child { margin-bottom: 0; }

/* ===== 页脚 ===== */
.z74beefooter {
    background: var(--c-primary);
    color: rgba(255,255,255,0.65);
    padding: 36px 0 22px;
}

.z74beefooter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

.z74beefooter-links h3 {
    font-size: 14px;
    color: #fff;
    margin-bottom: 12px;
}

.z74beefooter-links li { margin-bottom: 5px; }

.z74beefooter-links a {
    color: rgba(255,255,255,0.6);
    text-decoration: none;
    font-size: 13px;
}

.z74beefooter-links a:hover { color: var(--c-accent); }

.z74beefooter-info { text-align: right; }
.z74beefooter-info p { font-size: 13px; margin-bottom: 5px; }
.z74beefooter-info a { color: var(--c-accent); text-decoration: none; }

/* ===== 内页 ===== */
.z74beepage-wrap {
    padding-top: calc(var(--header-h) + 16px);
    padding-bottom: 48px;
    min-height: 60vh;
}

.z74beebreadcrumb {
    padding: 10px 0;
    font-size: 13px;
    color: var(--c-muted);
}

.z74beebreadcrumb a { color: var(--c-accent); text-decoration: none; }
.z74beebreadcrumb-sep { margin: 0 6px; color: var(--c-border); }
.z74beebreadcrumb-current { color: var(--c-text); }

.z74beepage-layout {
    display: flex;
    gap: 22px;
    align-items: flex-start;
}

.z74beepage-main { flex: 1; min-width: 0; }

/* ===== 侧栏 ===== */
.z74beesidebar { width: 270px; flex-shrink: 0; }

.z74beesidebar-block {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 14px;
}

.z74beesidebar-block:last-child { margin-bottom: 0; }

.z74beesidebar-title {
    background: var(--c-primary);
    color: #fff;
    font-size: 13px;
    padding: 11px 14px;
    margin: 0;
}

.z74beesidebar-title a { color: #fff; text-decoration: none; }
.z74beesidebar-title a:hover { color: var(--c-accent); }

.z74beesidebar-thumb-list { max-height: 340px; overflow-y: auto; }

.z74beesidebar-thumb-item {
    display: flex;
    gap: 10px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--c-border);
    align-items: flex-start;
}

.z74beesidebar-thumb-item:last-child { border-bottom: none; }

.z74beesidebar-thumb {
    flex-shrink: 0;
    width: 60px; height: 45px;
    overflow: hidden;
    border-radius: 6px;
    display: block;
}

.z74beesidebar-thumb img { width: 100%; height: 100%; object-fit: cover; }

.z74beesidebar-thumb-info { flex: 1; min-width: 0; }

.z74beesidebar-thumb-info > a {
    display: block;
    font-size: 12px;
    color: var(--c-text);
    text-decoration: none;
    line-height: 1.4;
    margin-bottom: 2px;
}

.z74beesidebar-thumb-info > a:hover { color: var(--c-accent); }

.z74beesidebar-date { font-size: 11px; color: var(--c-muted); }

/* ===== 内容页 ===== */
.z74beearticle-detail {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 26px;
}

.z74beearticle-header {
    margin-bottom: 18px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--c-border);
}

.z74beearticle-title {
    font-size: 22px;
    color: var(--c-primary);
    line-height: 1.4;
    margin-bottom: 10px;
}

.z74beearticle-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 13px;
    color: var(--c-muted);
}

.z74beearticle-meta a { color: var(--c-accent); text-decoration: none; }

.z74beearticle-thumb {
    margin-bottom: 18px;
    border-radius: var(--radius);
    overflow: hidden;
    text-align: center;
}

.z74beearticle-body {
    font-size: 15px;
    line-height: 1.8;
    color: var(--c-text);
    margin-bottom: 18px;
    word-break: break-word;
    overflow-wrap: break-word;
}

.z74beearticle-body .context,
.z74beearticle-body .dede_pagelist { display: none !important; }

.z74beearticle-body img { max-width: 100%; height: auto; }

.z74beediyfield {
    margin-bottom: 14px;
    padding: 14px;
    background: var(--c-bg);
    border-radius: var(--radius);
    font-size: 14px;
}

.z74beeimage-item { margin-bottom: 10px; text-align: center; }
.z74beeimage-item figcaption { font-size: 13px; color: var(--c-muted); margin-top: 5px; }

.z74beemeta-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 12px 0;
    margin-bottom: 14px;
    border-top: 1px solid var(--c-border);
    border-bottom: 1px solid var(--c-border);
}

.z74beetagitem a {
    display: inline-block;
    padding: 3px 10px;
    background: rgba(0,168,150,0.08);
    color: var(--c-accent);
    border-radius: 4px;
    font-size: 12px;
    text-decoration: none;
}

.z74beetagitem a:hover { background: var(--c-accent); color: #fff; }

.z74beearticle-prenext {
    display: flex;
    justify-content: space-between;
    gap: 14px;
    padding: 14px 0;
    border-top: 1px solid var(--c-border);
    font-size: 13px;
}

.z74beeprenext-left, .z74beeprenext-right { flex: 1; min-width: 0; }
.z74beeprenext-right { text-align: right; }
.z74beeprenext-left ul li:nth-child(2), .z74beeprenext-left .next { display: none; }
.z74beeprenext-right ul li:nth-child(1), .z74beeprenext-right .pre { display: none; }
.z74beearticle-prenext a { color: var(--c-accent); text-decoration: none; }
.z74beearticle-prenext ul { list-style: none; padding: 0; margin: 0; }

.z74beerelated-title {
    font-size: 16px;
    color: var(--c-primary);
    margin-bottom: 14px;
    padding-bottom: 7px;
    border-bottom: 2px solid var(--c-accent);
}

.z74beerelated-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--c-border);
}

.z74beerelated-item:last-child { border-bottom: none; }

.z74beerelated-thumb {
    flex-shrink: 0;
    width: 100px; height: 68px;
    overflow: hidden;
    border-radius: 6px;
    display: block;
}

.z74beerelated-thumb img { width: 100%; height: 100%; object-fit: cover; }

.z74beerelated-link {
    font-size: 14px;
    color: var(--c-primary);
    text-decoration: none;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
}

.z74beerelated-link:hover { color: var(--c-accent); }
.z74beerelated-info p { font-size: 12px; color: var(--c-muted); line-height: 1.5; }

/* ===== 列表页 ===== */
.z74beelist-header {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    padding: 20px 22px;
    margin-bottom: 14px;
}

.z74beelist-title { font-size: 21px; color: var(--c-primary); margin-bottom: 5px; }
.z74beelist-desc { font-size: 13px; color: var(--c-muted); line-height: 1.6; }

.z74beelistbox {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
    overflow: hidden;
}

.z74beelist-item {
    display: flex;
    gap: 16px;
    padding: 16px;
    border-bottom: 1px solid var(--c-border);
    transition: background 0.15s;
}

.z74beelist-item:last-child { border-bottom: none; }
.z74beelist-item:hover { background: var(--c-bg); }

.z74beelist-thumb {
    flex-shrink: 0;
    width: 170px; height: 114px;
    overflow: hidden;
    border-radius: var(--radius);
    display: block;
}

.z74beelist-thumb img { width: 100%; height: 100%; object-fit: cover; }

.z74beelist-content { flex: 1; min-width: 0; }

.z74beelist-meta {
    font-size: 12px;
    color: var(--c-muted);
    margin-bottom: 5px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.z74beelist-meta a { color: var(--c-accent); text-decoration: none; }

.z74beelist-link {
    font-size: 15px;
    color: var(--c-primary);
    text-decoration: none;
    font-weight: 600;
    display: block;
    margin-bottom: 5px;
    line-height: 1.4;
}

.z74beelist-link:hover { color: var(--c-accent); }
.z74beelist-intro { font-size: 13px; color: var(--c-muted); line-height: 1.6; }

/* ===== 分页 ===== */
.z74beepagebar {
    margin-top: 14px;
    padding: 14px;
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: var(--radius);
}

.z74beepages-lr { width: 100%; }

.z74beepages ul,
.z74beepagelist {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 0; margin: 0;
    width: 100%;
}

.z74beepagelist li { display: inline-block; }

.z74beepages a, .z74beepages span,
.z74beepagelist a, .z74beepagelist span {
    display: inline-block;
    padding: 6px 13px;
    border: 1px solid var(--c-border);
    border-radius: 6px;
    color: var(--c-text);
    text-decoration: none;
    font-size: 13px;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.z74beepages a:hover, .z74beepagelist a:hover {
    background: var(--c-accent);
    color: #fff;
    border-color: var(--c-accent);
}

.z74beepages .thisclass span, .z74beepages .thisclass a,
.z74beepagelist .thisclass span, .z74beepagelist .thisclass a {
    background: var(--c-accent);
    color: #fff;
    border-color: var(--c-accent);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .z74beehero-inner { grid-template-columns: 1fr; gap: 28px; }
    .z74beehero-visual { order: -1; }
    .z74beepillars { grid-template-columns: repeat(2, 1fr); }
    .z74beetimeline { grid-template-columns: repeat(3, 1fr); }
    .z74beetimeline::before { display: none; }
    .z74beecases-row { grid-template-columns: repeat(2, 1fr); }
    .z74beehome-article-grid { grid-template-columns: repeat(3, 1fr); }
    .z74beepage-layout { flex-direction: column; }
    .z74beesidebar { width: 100%; }
}

@media (max-width: 768px) {
    :root { --header-h: 56px; }

    .z74beemenu-toggle { display: flex; }

    .z74beemain-nav {
        position: fixed;
        top: var(--header-h);
        right: -100%;
        width: 280px;
        max-width: 85vw;
        height: calc(100vh - var(--header-h));
        background: var(--c-surface);
        padding: 14px;
        overflow-y: auto;
        transition: right 0.3s;
        box-shadow: -4px 0 20px rgba(11,25,41,0.12);
        z-index: 999;
        border-left: 1px solid var(--c-border);
    }

    .z74beemain-nav.active { right: 0; }

    .z74beemain-nav ul {
        flex-direction: column;
        align-items: stretch;
    }

    .z74beemain-nav a {
        padding: 10px 12px;
        font-size: 14px;
    }

    .z74beelogo { font-size: 15px; max-width: 160px; }
    .z74beesec { padding: 44px 0; }
    .z74beesec-title { font-size: 22px; }

    .z74beehero { padding-top: calc(var(--header-h) + 28px); padding-bottom: 36px; }
    .z74beehero h2 { font-size: 26px; }
    .z74beehero-metrics { grid-template-columns: 1fr; }
    .z74beehero-btns { flex-direction: column; }
    .z74beehero-btns .z74beebtn { width: 100%; }

    .z74beebento { grid-template-columns: 1fr; }
    .z74beepillars { grid-template-columns: 1fr; }
    .z74beetimeline { grid-template-columns: 1fr 1fr; gap: 16px; }
    .z74beefaq-grid { grid-template-columns: 1fr; }
    .z74beehome-article-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .z74beecases-row { grid-template-columns: 1fr; }
    .z74beetips-row { grid-template-columns: 1fr; }

    .z74beenews-row { flex-direction: column; gap: 6px; padding: 14px 16px; }
    .z74beenews-row time { min-width: auto; }

    .z74beefooter-content { grid-template-columns: 1fr; text-align: center; }
    .z74beefooter-info { text-align: center; }

    .z74beelist-item { flex-direction: column; gap: 10px; padding: 14px; }
    .z74beelist-thumb { width: 100%; height: 150px; }
    .z74beearticle-detail { padding: 16px 14px; }
    .z74beearticle-title { font-size: 19px; }
    .z74beerelated-item { flex-direction: column; }
    .z74beerelated-thumb { width: 100%; height: 130px; }
    .z74beearticle-prenext { flex-direction: column; gap: 8px; }
    .z74beeprenext-right { text-align: left; }

    .z74beepages ul, .z74beepagelist { justify-content: center; }
    .z74beesidebar-thumb-list { max-height: 260px; }
    .z74beecontainer { padding: 0 16px; }
}

@media (max-width: 480px) {
    .z74beehome-article-grid { grid-template-columns: 1fr; }
    .z74beehome-article-thumb { height: 130px; }
    .z74beehero h2 { font-size: 22px; }
    .z74beetimeline { grid-template-columns: 1fr; }

    .z74beepages a, .z74beepages span,
    .z74beepagelist a, .z74beepagelist span {
        padding: 5px 9px;
        font-size: 12px;
    }
}