/* 官网首页 - 铭联风格复刻 */
:root {
    --primary: #2b5cff;
    --primary-dark: #1b45e0;
    --primary-soft: #eef3ff;
    --ink: #0e1424;
    --text: #3d465c;
    --muted: #7b8499;
    --line: #e8ecf5;
    --bg: #ffffff;
    --bg-soft: #f6f8ff;
    --dark: #0b1020;
    --radius: 18px;
    --shadow: 0 18px 50px rgba(24, 43, 99, .10);
    --container: 1180px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body.site-body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.site-container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.agreement-container { max-width: 900px; padding-top: 64px; padding-bottom: 80px; }
.agreement-header { text-align: center; padding-bottom: 32px; margin-bottom: 36px; border-bottom: 1px solid var(--line); }
.agreement-header h1 { margin: 0 0 16px; color: var(--ink); font-size: 36px; line-height: 1.4; }
.agreement-desc { margin: 0 0 12px; color: var(--muted); font-size: 16px; }
.agreement-updated { margin: 0; color: var(--muted); font-size: 14px; }
.agreement-content { font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.agreement-content h2, .agreement-content h3, .agreement-content h4 { color: var(--ink); margin: 32px 0 16px; line-height: 1.5; }
.agreement-content h2 { font-size: 22px; }
.agreement-content h3 { font-size: 18px; }
.agreement-content p { margin: 0 0 16px; }
.agreement-content ul, .agreement-content ol { padding-left: 24px; margin: 0 0 20px; }
.agreement-content li { margin-bottom: 8px; }
.agreement-content a { color: var(--primary); text-decoration: underline; }
.agreement-content img { max-width: 100%; height: auto; }
.agreement-content table { display: block; max-width: 100%; overflow-x: auto; border-collapse: collapse; }
.agreement-content th, .agreement-content td { padding: 10px 14px; border: 1px solid var(--line); }
.agreement-content pre { max-width: 100%; overflow-x: auto; white-space: pre-wrap; }
@media (max-width: 640px) {
    .agreement-container { padding-top: 36px; padding-bottom: 48px; }
    .agreement-header { padding-bottom: 24px; margin-bottom: 28px; }
    .agreement-header h1 { font-size: 28px; }
}
.site-section { padding: 96px 0; }
.site-section.soft { background: var(--bg-soft); }
.site-eyebrow {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
    color: var(--primary); font-weight: 700; margin-bottom: 14px;
}
.site-eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--primary); border-radius: 2px; }
.site-title { font-size: 40px; line-height: 1.25; color: var(--ink); margin: 0 0 16px; font-weight: 800; letter-spacing: -.5px; }
.site-desc { font-size: 16px; color: var(--muted); margin: 0; max-width: 720px; }
.site-head { max-width: 780px; margin-bottom: 56px; }
.site-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.site-head.center .site-eyebrow { justify-content: center; }

/* 顶部导航 */
.site-header {
    position: sticky; top: 0; z-index: 80;
    background: rgba(255, 255, 255, .92);
    backdrop-filter: saturate(180%) blur(14px);
    border-bottom: 1px solid rgba(232, 236, 245, .9);
}
.site-nav { height: 69px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.site-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--ink); font-size: 19px; }
.site-logo img { height: 44px; width: auto; }
.site-logo span { white-space: nowrap; }
.site-links { display: flex; align-items: center; gap: 6px; font-size: 15px; color: var(--text); }
.site-links a { display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: 9px; font-size: 14.5px; font-weight: 500; color: var(--text); transition: color .2s, background-color .2s; }
.site-links a:hover,
.site-links a:focus-visible,
.site-links a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }
.site-nav-actions { display: flex; align-items: center; gap: 12px; }
.site-nav-actions .login { font-size: 15px; color: var(--ink); padding: 8px 12px; }
.site-nav-actions .login:hover { color: var(--primary); }
.site-nav-actions .site-btn.small { height: 38px; padding: 0 16px; border-radius: 9px; font-size: 14.5px; }
.site-nav-actions .site-btn.primary { background: linear-gradient(135deg, #2b63f6, #1740c4); box-shadow: 0 6px 18px -6px rgba(43, 99, 246, .55); }
.site-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    height: 46px; padding: 0 26px; border-radius: 999px;
    font-size: 15px; font-weight: 600; border: 1px solid transparent;
    cursor: pointer; transition: transform .18s, box-shadow .18s, background .18s;
    white-space: nowrap;
}
.site-btn.primary { background: var(--primary); color: #fff; box-shadow: 0 10px 26px rgba(43, 92, 255, .28); }
.site-btn.primary:hover { background: linear-gradient(360deg, #2196F3, #1740c4); }
.site-btn.ghost { background: #fff; border-color: var(--line); color: var(--ink); }
.site-btn.ghost:hover { border-color: var(--primary); color: var(--primary); }
.site-btn.small { height: 40px; padding: 0 20px; font-size: 14px; }
.site-burger {
    display: none; width: 42px; height: 42px; border-radius: 12px;
    border: 1px solid var(--line); background: #fff; cursor: pointer;
    align-items: center; justify-content: center; flex-direction: column; gap: 5px;
}
.site-burger i { display: block; width: 18px; height: 2px; background: var(--ink); border-radius: 2px; }
.site-drawer {
    display: none; position: fixed; inset: 69px 0 auto 0; z-index: 79;
    background: #fff; border-bottom: 1px solid var(--line);
    padding: 16px 24px 24px; box-shadow: 0 20px 40px rgba(16, 30, 70, .08);
}
.site-drawer.open { display: block; }
.site-drawer-mask { display: none; }
.site-drawer a { display: block; padding: 12px 0; font-size: 15px; border-bottom: 1px solid #f1f4fb; color: var(--ink); }
.site-drawer > a { padding: 12px 16px; border-radius: 9px; transition: color .2s, background-color .2s; }
.site-drawer > a:hover,
.site-drawer > a:focus-visible,
.site-drawer > a[aria-current="page"] { color: var(--primary); background: var(--primary-soft); }
.site-drawer .actions { display: flex; gap: 12px; margin-top: 18px; }
.site-body .site-drawer .actions .site-btn { display: flex; flex: 1; align-items: center; justify-content: center; text-align: center; }
.site-drawer-group { border-bottom: 1px solid #f1f4fb; }
.site-drawer-parent { display: flex; align-items: center; gap: 8px; }
.site-drawer-parent > a { flex: 1; border-bottom: 0; }
.site-drawer-toggle, .footer-col-toggle { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border: 0; background: transparent; color: currentColor; cursor: pointer; }
.site-drawer-toggle span, .footer-col-toggle span { width: 8px; height: 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; transform: rotate(45deg) translateY(-2px); transition: transform .18s; }
.site-drawer-group.open .site-drawer-toggle span, .footer-col.open .footer-col-toggle span { transform: rotate(225deg) translate(-1px, -1px); }
.site-drawer-children { display: none; padding: 0 16px 6px 28px; }
.site-drawer-group.open .site-drawer-children { display: block; }
.site-drawer-children a { padding: 9px 0; border-bottom: 0; font-size: 14px; color: var(--muted); }

/* 首屏 */
.site-hero {
    position: relative; overflow: hidden;
    background: radial-gradient(1200px 520px at 78% -10%, #dfe8ff 0%, rgba(246, 248, 255, 0) 62%),
                linear-gradient(180deg, #f7f9ff 0%, #ffffff 100%);
    padding: 76px 0 88px;
}
.site-hero::before {
    content: ""; position: absolute; inset: 0;
    background-image: linear-gradient(rgba(43, 92, 255, .045) 1px, transparent 1px),
                      linear-gradient(90deg, rgba(43, 92, 255, .045) 1px, transparent 1px);
    background-size: 44px 44px;
    mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 74%);
    -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 20%, transparent 74%);
    pointer-events: none;
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.02fr 1fr; gap: 64px; align-items: center; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    background: #fff; border: 1px solid #e2e9ff; color: var(--primary);
    font-size: 13px; font-weight: 600; padding: 7px 14px; border-radius: 999px;
    box-shadow: 0 8px 24px rgba(43, 92, 255, .10); margin-bottom: 26px;
}
.hero-badge-mark { display: inline-grid; grid-template-columns: repeat(3, 4px); align-items: end; gap: 2px; width: 16px; height: 16px; padding: 2px; border-radius: 5px; background: var(--primary); box-shadow: 0 0 0 4px rgba(43, 92, 255, .12); }
.hero-badge-mark span { display: block; width: 4px; height: 4px; border-radius: 50%; background: #fff; }
.hero-badge-mark span:nth-child(2) { height: 7px; }
.hero-badge-mark span:nth-child(3) { height: 10px; }
.hero-title { font-size: 56px; line-height: 1.16; font-weight: 800; color: var(--ink); margin: 0 0 22px; letter-spacing: -1.5px; }
.hero-title em { font-style: normal; color: var(--primary); }
.hero-title .line { display: block; }
.hero-desc { font-size: 17px; color: var(--muted); margin: 0 0 34px; max-width: 560px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-actions .site-btn { height: 50px; padding: 0 30px; }
.hero-note { display: flex; align-items: center; gap: 8px; margin-top: 22px; font-size: 13px; color: var(--muted); }
.hero-note svg { width: 16px; height: 16px; color: #14b87a; }

/* 首屏界面示意 */
.hero-visual { position: relative; }
.hero-tip {
    position: absolute; z-index: 3; background: #fff; border: 1px solid var(--line);
    border-radius: 12px; padding: 13px 16px 13px 18px; box-shadow: 0 16px 34px rgba(24, 43, 99, .13);
    min-width: 178px;
}
.hero-tip b { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--ink); margin-bottom: 2px; }
.hero-tip span { font-size: 12px; color: var(--muted); }
.hero-tip .pulse { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #14b87a; margin: 0; box-shadow: 0 0 0 4px rgba(20, 184, 122, .12); }
.hero-tip.tip1 { top: -26px; right: 22px; }
.hero-tip.tip2 { bottom: 22px; left: -40px; }
.mock-browser {
    background: #fff; border: 1px solid #e6ebf7; border-radius: 20px;
    box-shadow: 0 30px 80px rgba(22, 40, 92, .14); overflow: hidden;
}
.mock-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid #eef2fa; background: #fbfcff; }
.mock-bar i { width: 9px; height: 9px; border-radius: 50%; background: #ff5f57; }
.mock-bar i:nth-child(2) { background: #febc2e; }
.mock-bar i:nth-child(3) { background: #28c840; }
.mock-url {
    margin-left: 12px; font-size: 11px; color: var(--muted);
    background: #fff; border: 1px solid #eef1f8; border-radius: 999px;
    padding: 4px 12px; flex: 1; max-width: 260px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.mock-body { display: grid; grid-template-columns: 54px 168px 1fr; height: 386px; }
.mock-rail { background: #0f1730; padding: 14px 0; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.mock-rail span { width: 26px; height: 26px; border-radius: 8px; background: rgba(255, 255, 255, .10); }
.mock-rail span.on { background: var(--primary); }
.mock-side { background: #f7f9fe; border-right: 1px solid #eef1f8; padding: 14px 12px; }
.mock-side .st { font-size: 12px; font-weight: 700; color: var(--ink); margin-bottom: 10px; }
.mock-search { height: 26px; border-radius: 8px; background: #fff; border: 1px solid #eef1f8; margin-bottom: 12px; }
.mock-item { display: flex; gap: 8px; padding: 8px; border-radius: 10px; margin-bottom: 6px; background: #fff; }
.mock-item.on { background: var(--primary-soft); }
.mock-avatar { width: 26px; height: 26px; border-radius: 50%; background: #c9d7ff; flex: 0 0 26px; }
.mock-item div b { display: block; font-size: 11px; color: var(--ink); }
.mock-item div span { display: block; font-size: 10px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100px; }
.mock-chat { padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; background: #fff; }
.mock-msg { max-width: 74%; padding: 8px 12px; border-radius: 12px; font-size: 11px; line-height: 1.6; color: var(--text); background: #f2f5fc; }
.mock-msg.me { align-self: flex-end; background: var(--primary); color: #fff; }
.mock-msg.ai { background: #eef3ff; color: #2b4a9d; }
.mock-input { margin-top: auto; height: 34px; border-radius: 10px; border: 1px solid #eef1f8; background: #fbfcff; }

/* 数据 */
.stats-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.stat-item { padding: 44px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat-item:last-child { border-right: 0; }
.stat-num { font-size: 42px; font-weight: 800; color: var(--ink); line-height: 1; letter-spacing: -1px; }
.stat-num small { font-size: 22px; font-weight: 700; color: var(--primary); }
.stat-label { margin-top: 10px; font-size: 14px; color: var(--muted); }

/* 渠道 */
.channel-title { text-align: center; font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 30px; }
.channel-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; }
.channel-tag {
    background: #fff; border: 1px solid var(--line); border-radius: 999px;
    padding: 10px 20px; font-size: 14px; color: var(--text);
    box-shadow: 0 6px 16px rgba(24, 43, 99, .04);
}
.channel-desc { text-align: center; color: var(--muted); font-size: 14px; margin-top: 24px; }

/* 能力卡片 */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.feature-card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 28px 26px; transition: transform .22s, box-shadow .22s, border-color .22s;
}
.feature-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d7e2ff; }
.feature-icon {
    width: 44px; height: 44px; border-radius: 13px; background: var(--primary-soft);
    color: var(--primary); display: flex; align-items: center; justify-content: center; margin-bottom: 18px;
}
.feature-icon svg { width: 22px; height: 22px; }
.feature-icon img { width: 24px; height: 24px; object-fit: contain; }
.ai-section .feature-icon.default-icon { background: linear-gradient(135deg, #2b5cff, #1740c4); color: #fff; box-shadow: 0 10px 22px rgba(43, 92, 255, .2); }
.feature-card h3 { font-size: 18px; color: var(--ink); margin: 0 0 10px; font-weight: 700; }
.feature-card p { font-size: 14px; color: var(--muted); margin: 0; }
.feature-en { display: inline-block; margin-top: 14px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase; color: #9aa6c2; }

/* 指标条 */
.metrics-band { background: var(--dark); color: #fff; padding: 34px 0; }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.metric-item { text-align: center; border-right: 1px solid rgba(255, 255, 255, .10); }
.metric-item:last-child { border-right: 0; }
.metric-item strong { display: block; font-size: 24px; font-weight: 800; color: #fff; }
.metric-item span { font-size: 13px; color: rgba(255, 255, 255, .62); }

/* 四大板块 */
.block-section { padding: 96px 0; }
.block-section.soft { background: var(--bg-soft); }
.block-grid { display: grid; grid-template-columns: minmax(0, 380px) minmax(0, 712px); gap: 48px; align-items: center; }
.block-section.flip .block-grid { grid-template-columns: minmax(0, 712px) minmax(0, 380px); }
.block-section.flip .block-info { order: 2; }
.block-section.flip .block-shot { order: 1; }
.block-info { display: grid; gap: 30px; align-content: center; }
.block-head h2 { font-size: 34px; color: var(--ink); margin: 10px 0 12px; font-weight: 800; letter-spacing: -.4px; }
.block-head p { color: var(--muted); margin: 0; font-size: 15px; line-height: 1.8; }
.block-en { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--primary); font-weight: 700; display: flex; align-items: center; gap: 10px; }
.block-en span { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 9px; background: rgba(43, 92, 255, .1); color: var(--primary); font-size: 12px; letter-spacing: 0; }
.block-items { display: flex; flex-direction: column; gap: 8px; }
.block-item { display: flex; gap: 16px; min-height: 139px; background: transparent; border: 1px solid transparent; border-radius: 14px; padding: 20px 20px 20px 22px; transition: .22s; cursor: pointer; }
.block-item.on, .block-item:hover { background: #fff; border-color: rgba(43, 92, 255, .45); box-shadow: 0 16px 40px rgba(43, 92, 255, .1); }
.block-item .item-aside { flex: 0 0 auto; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.block-item .idx { width: 26px; font-size: 13px; font-weight: 800; color: #9aa6c2; letter-spacing: .05em; }
.block-item.on .idx { color: var(--primary); }
.block-item h3 { font-size: 18px; color: var(--ink); margin: 2px 0 8px; }
.block-item p { font-size: 14px; color: var(--muted); margin: 0; line-height: 1.75; }
.block-txt { min-width: 0; }
.block-shot { background: #fff; border: 1px solid var(--line); border-radius: 20px; overflow: hidden; box-shadow: 0 22px 60px rgba(14, 20, 36, .08); }
.shot-bar { height: 42px; background: #f6f8fc; border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 7px; padding: 0 16px; }
.shot-bar i { width: 9px; height: 9px; border-radius: 50%; background: #dbe1ee; }
.shot-bar span { margin-left: 12px; flex: 1; height: 20px; border-radius: 6px; background: #eef2f8; }
.shot-body { display: grid; grid-template-columns: 108px 1fr; min-height: 190px; }
.shot-side { background: #fafbff; border-right: 1px solid var(--line); padding: 18px 14px; display: grid; gap: 11px; align-content: start; }
.shot-side span { height: 9px; border-radius: 5px; background: #e8edf7; }
.shot-side span.on { background: rgba(43, 92, 255, .45); }
.shot-main { padding: 22px; display: grid; gap: 12px; align-content: start; }
.shot-line { height: 9px; border-radius: 5px; background: #e8edf7; }
.shot-line.w70 { width: 70%; } .shot-line.w90 { width: 90%; } .shot-line.w60 { width: 60%; } .shot-line.w80 { width: 80%; }
.shot-panel { height: 78px; border-radius: 12px; background: linear-gradient(120deg, rgba(43, 92, 255, .1), rgba(43, 92, 255, .03)); }

/* 客户评价 */
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.voice-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px 28px; display: flex; flex-direction: column; }
.quote-mark { font-size: 46px; line-height: .6; color: rgba(43, 92, 255, .35); font-weight: 800; height: 30px; }
.voice-card p { font-size: 14px; color: var(--text); line-height: 1.85; margin: 12px 0 22px; flex: 1; }
.voice-user { display: flex; align-items: center; gap: 12px; }
.voice-avatar { width: 40px; height: 40px; border-radius: 50%; background: rgba(43, 92, 255, .1); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.voice-avatar svg { width: 22px; height: 22px; }
.voice-user b { display: block; font-size: 14px; color: var(--ink); }
.voice-user span { font-size: 12px; color: var(--muted); }

/* 最新动态 */
.news-list { margin: 0 auto; border-top: 1px solid var(--line); }
.news-row { display: flex; align-items: center; gap: 16px; padding: 18px 6px; border-bottom: 1px solid var(--line); color: var(--ink); }
.news-row:hover .news-title { color: var(--primary); }
.news-type { flex: 0 0 auto; font-size: 12px; color: var(--primary); background: rgba(43, 92, 255, .08); border-radius: 6px; padding: 4px 10px; }
.news-title { flex: 1; font-size: 15px; font-weight: 600; transition: .2s; }
.news-date { flex: 0 0 auto; font-size: 13px; color: var(--muted); }
.news-more-row { display: flex; justify-content: flex-end; margin: -20px 0 18px; }
.news-more-row a { display: inline-flex; align-items: center; gap: 8px; color: #2b63f6; font-size: 14px; }
.news-more-row a:hover { color: #1740c4; }
.news-page { background: #f7f9fc; color: #0d1b2e; }
.news-page-hero { text-align: center; padding: 60px 24px 52px; background: linear-gradient(120deg, #eef4ff, #edfafa); background-image: linear-gradient(rgba(43,99,246,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(43,99,246,.035) 1px, transparent 1px), linear-gradient(120deg, #eef4ff, #edfafa); background-size: 40px 40px, 40px 40px, auto; }
.news-page-hero h1 { margin: 0 0 12px; font-size: 34px; font-weight: 700; line-height: 1.7; }
.news-page-hero p { margin: 0; color: #6b7280; font-size: 16px; }
.news-page-content { max-width: 1080px; margin: 0 auto; padding: 48px 24px 72px; box-sizing: border-box; }
.news-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.news-card { display: flex; flex-direction: column; min-height: 247px; padding: 20px 22px; box-sizing: border-box; background: #fff; border: 1px solid rgba(13,27,46,.09); border-radius: 14px; box-shadow: 0 6px 20px rgba(13,27,46,.035); transition: transform .2s, box-shadow .2s; }
.news-card:hover { transform: translateY(-4px); box-shadow: 0 12px 28px rgba(13,27,46,.08); }
.news-card h2 { margin: 0 0 10px; font-size: 18px; font-weight: 700; line-height: 27px; overflow-wrap: anywhere; }
.news-card h2 a { color: #0d1b2e; }
.news-card h2 a[href]:hover { color: #2b63f6; }
.news-card-summary { flex: 1; margin: 0 0 14px; font-size: 14px; line-height: 23.8px; color: #6b7280; overflow-wrap: anywhere; }
.news-card-meta { display: flex; gap: 14px; border-top: 1px solid #f5f6f8; padding-top: 12px; font-size: 13px; color: #9aa1ad; }
.news-pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 40px; }
.news-pagination a, .news-pagination span { display: inline-flex; justify-content: center; align-items: center; min-width: 36px; height: 36px; padding: 0 12px; box-sizing: border-box; border: 1px solid rgba(13,27,46,.09); border-radius: 8px; background: #fff; color: #2d3340; font-size: 14px; }
.news-pagination a:hover { color: #2b63f6; border-color: #2b63f6; }
.news-pagination .active { color: #fff; background: #2b63f6; border-color: #2b63f6; }
.news-pagination .disabled { color: #c3c8d1; }
.news-pagination .ellipsis { min-width: 20px; padding: 0; border: 0; background: transparent; color: #9aa1ad; }
.news-empty { text-align: center; color: #6b7280; padding: 48px 0; }
@media (max-width: 900px) { .news-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .news-card-grid { grid-template-columns: 1fr; } .news-page-hero { padding: 40px 20px; } .news-page-hero h1 { font-size: 28px; } .news-page-content { padding: 32px 20px 48px; } .news-card { min-height: 210px; } .news-pagination { gap: 6px; } }
.article-page { background: #f7f8fb; padding: 48px 24px 96px; min-height: 60vh; }
.article-wrap { max-width: 1000px; min-height: 500px; margin: 0 auto; padding: 42px 60px 72px; background: #fff; border-radius: 12px; }
.article-breadcrumb { display: flex; align-items: center; gap: 10px; color: #8b92a3; font-size: 14px; margin-bottom: 32px; }
.article-breadcrumb a:hover { color: var(--primary); }
.article-wrap h1 { margin: 0 0 18px; color: var(--ink); font-size: 30px; line-height: 1.45; font-weight: 700; }
.article-meta { display: flex; gap: 20px; font-size: 13px; color: #9299a8; }
.article-rule { height: 1px; background: #e9ecf2; margin: 24px 0 32px; }
.article-content { font-size: 16px; line-height: 1.9; overflow-wrap: anywhere; }
.article-content img { max-width: 100%; height: auto; margin: 20px auto; }

/* 下载中心 */
.page-hero { background: linear-gradient(180deg, #f7f9ff, #fff); padding: 84px 0 48px; text-align: center; }
.page-hero h1 { font-size: 42px; color: var(--ink); margin: 12px 0 14px; font-weight: 800; }
.page-hero p { font-size: 16px; color: var(--muted); margin: 0; }
.help-meta { margin-top: 18px; display: flex; justify-content: center; gap: 18px; font-size: 13px; color: var(--muted); }
.download-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; max-width: 1080px; margin: 0 auto; }
.download-card { background: #fff; border: 1px solid var(--line); border-radius: 22px; padding: 32px 30px; display: flex; flex-direction: column; text-align: center; }
.dl-head { display: flex; align-items: center; justify-content: center; gap: 14px; text-align: left; }
.dl-icon { width: 52px; height: 52px; border-radius: 14px; background: rgba(43, 92, 255, .09); color: var(--primary); display: flex; align-items: center; justify-content: center; }
.dl-icon svg { width: 26px; height: 26px; }
.dl-head h3 { font-size: 19px; color: var(--ink); margin: 0 0 4px; }
.dl-head span { font-size: 13px; color: var(--muted); }
.dl-meta { margin: 18px 0 20px; font-size: 13px; color: var(--muted); display: flex; justify-content: center; gap: 6px; }
.dl-btn { width: 100%; }
.site-btn.disabled { background: #eef1f7; color: #9aa4b8; cursor: not-allowed; pointer-events: none; }
.dl-qr { margin-top: 24px; padding-top: 22px; border-top: 1px dashed var(--line); display: flex; flex-direction: column; align-items: center; gap: 10px; }
.dl-qr img { width: 96px; height: 96px; object-fit: contain; }
.dl-qr > span { font-size: 12px; color: var(--muted); }
.qr-box { width: 96px; height: 96px; border-radius: 10px; background:
    linear-gradient(90deg, #0e1424 12px, transparent 12px) 10px 10px/24px 24px,
    linear-gradient(#0e1424 12px, transparent 12px) 10px 10px/24px 24px,
    #fff; border: 1px solid var(--line); position: relative; overflow: hidden; opacity: .82; }
.qr-box i { position: absolute; width: 22px; height: 22px; border: 3px solid #0e1424; }
.qr-box i:nth-child(1) { top: 8px; left: 8px; } .qr-box i:nth-child(2) { top: 8px; right: 8px; }
.qr-box i:nth-child(3) { bottom: 8px; left: 8px; } .qr-box i:nth-child(4) { bottom: 8px; right: 8px; background: #0e1424; }

/* 帮助中心 */
.help-layout { display: grid; grid-template-columns: 260px 1fr; gap: 56px; align-items: start; max-width: 1080px; margin: 0 auto; }
.help-toc { position: sticky; top: 96px; border: 1px solid var(--line); border-radius: 16px; padding: 22px 20px; background: #fff; }
.help-toc-title { font-size: 13px; font-weight: 800; letter-spacing: .12em; color: var(--muted); text-transform: uppercase; margin-bottom: 12px; }
.help-toc ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.help-toc a { display: block; padding: 8px 10px; border-radius: 8px; font-size: 14px; color: var(--text); }
.help-toc a:hover { background: rgba(43, 92, 255, .07); color: var(--primary); }
.help-content { min-width: 0; }
.help-intro { background: var(--bg-soft); border-radius: 16px; padding: 26px 28px; margin-bottom: 28px; }
.help-intro h2 { font-size: 24px; color: var(--ink); margin: 0 0 10px; }
.help-intro p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.help-chapter { border-bottom: 1px solid var(--line); padding: 30px 0; scroll-margin-top: 90px; }
.help-chapter:last-child { border-bottom: 0; }
.help-chapter h2 { font-size: 24px; color: var(--ink); margin: 0 0 8px; }
.chapter-desc { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.chapter-body { font-size: 14px; color: var(--text); line-height: 1.9; }
.chapter-body h4 { font-size: 16px; color: var(--ink); margin: 22px 0 8px; }
.chapter-body p { margin: 0 0 12px; }
.chapter-body ul, .chapter-body ol { margin: 0 0 14px; padding-left: 22px; }
.chapter-body li { margin-bottom: 7px; }
.chapter-body .tip { background: #f4f7ff; border-left: 3px solid var(--primary); padding: 10px 14px; border-radius: 6px; color: var(--text); }

/* 更多能力 */
.more-tags { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 34px; }
.more-tag { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 12px; text-align: center; font-size: 14px; color: var(--ink); font-weight: 600; }
.more-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.more-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.more-card h3 { font-size: 17px; color: var(--ink); margin: 0 0 8px; }
.more-card p { font-size: 14px; color: var(--muted); margin: 0; }

/* 客户案例 */
.case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.case-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px 26px; text-align: center; }
.case-logo {
    width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 16px;
    background: linear-gradient(135deg, #e8efff, #f5f8ff); color: var(--primary);
    display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px;
}
.case-item b { display: block; font-size: 16px; color: var(--ink); margin-bottom: 6px; }
.case-item span { font-size: 13px; color: var(--muted); }
.case-logo img { width: 30px; height: 30px; object-fit: contain; }

/* CTA */
.cta-wrap { padding: 0 0 96px; }
.cta-box {
    position: relative; overflow: hidden; border-radius: 28px; padding: 64px 48px;
    background: linear-gradient(135deg, #1c3fbf 0%, #2b5cff 52%, #4d7dff 100%);
    color: #fff; text-align: center;
}
.cta-box::after {
    content: ""; position: absolute; width: 520px; height: 520px; right: -160px; top: -220px;
    background: radial-gradient(circle, rgba(255, 255, 255, .26), transparent 62%); border-radius: 50%;
}
.cta-box h2 { font-size: 36px; margin: 0 0 12px; font-weight: 800; color: #fff; }
.cta-box p { margin: 0 0 30px; color: rgba(255, 255, 255, .82); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-box .site-btn.ghost { background: rgba(255, 255, 255, .12); border-color: rgba(255, 255, 255, .34); color: #fff; }
.cta-box .site-btn.ghost:hover { background: rgba(255, 255, 255, .2); }

/* 页脚 */
.site-footer { background: #0b1020; color: rgba(255, 255, 255, .72); padding: 66px 0 28px; }
.footer-top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 42px; }
.footer-brand img { height: 48px; margin-bottom: 16px; }
.footer-brand p { font-size: 14px; color: rgba(255, 255, 255, .56); margin: 0; max-width: 280px; }
.footer-col h4 { font-size: 14px; color: #fff; margin: 0 0 16px; font-weight: 700; }
.footer-col-head { display: flex; align-items: center; justify-content: space-between; }
.footer-col-toggle { display: none; color: #fff; }
.footer-col a { display: block; font-size: 14px; color: rgba(255, 255, 255, .62); padding: 6px 0; }
.footer-col a:hover { color: #fff; }
.footer-bottom { margin-top: 46px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .10); font-size: 13px; color: rgba(255, 255, 255, .42); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

/* 悬浮咨询 */
.site-float {
    position: fixed; right: 26px; bottom: 30px; z-index: 90;
    display: inline-flex; align-items: center; gap: 8px;
    height: 50px; padding: 0 22px; border-radius: 999px;
    background: var(--primary); color: #fff; font-size: 14px; font-weight: 600;
    box-shadow: 0 14px 34px rgba(43, 92, 255, .38);
}
.site-float:hover { background: var(--primary-dark); }
.site-float svg { width: 18px; height: 18px; }

/* 价格页 */
.price-hero { background: linear-gradient(180deg, #f7f9ff, #fff); padding: 76px 0 40px; text-align: center; }
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1280px; margin: 0 auto; }
.price-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: visible; display: flex; flex-direction: column; position: relative; box-shadow: 0 12px 40px rgba(20, 50, 120, .08); transition: .25s; }
.price-card:hover { transform: translateY(-6px); box-shadow: 0 22px 54px rgba(20, 50, 120, .14); }
.price-card.hot { border-color: #4285f4; box-shadow: 0 18px 50px rgba(66, 133, 244, .22); }
.price-badge { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: #4285f4; color: #fff; font-size: 12px; font-weight: 600; padding: 4px 16px; border-radius: 999px; z-index: 2; }
.price-card__head { padding: 20px 22px; color: #fff; font-size: 21px; font-weight: 700; text-align: center; border-radius: 13px 13px 0 0; }
.price-card__body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.price-num { font-size: 44px; font-weight: 700; color: #222; line-height: 1.1; margin: 6px 0 4px; text-align: center; }
.price-num small { font-size: 14px; font-weight: 500; color: var(--muted); }
.price-features { list-style: none; padding: 0; margin: 20px 0 26px; flex: 1; }
.price-features li { position: relative; padding-left: 20px; font-size: 14px; color: var(--text); margin-bottom: 11px; line-height: 1.6; }
.price-features li::before { content: ""; position: absolute; left: 2px; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--pc-accent, var(--primary)); }
.price-btn { display: block; width: 100%; height: 46px; line-height: 46px; text-align: center; border-radius: 10px; color: #fff; font-size: 15px; font-weight: 600; background: var(--pc-accent, var(--primary)); transition: .2s; }
.price-btn:hover { filter: brightness(1.06); color: #fff; }
/* 套餐配色：1/2 复刻原站（青绿/蓝），3/4 自配（紫/橙） */
.price-card.pc-1 { --pc-accent: #13c0a3; }
.price-card.pc-1 .price-card__head { background: linear-gradient(135deg, #1fcca1, #13c0a3); }
.price-card.pc-2 { --pc-accent: #3c7bf1; }
.price-card.pc-2 .price-card__head { background: linear-gradient(135deg, #3c7bf1, #4f8aff); }
.price-card.pc-3 { --pc-accent: #7c3aed; }
.price-card.pc-3 .price-card__head { background: linear-gradient(135deg, #8b5cf6, #6d28d9); }
.price-card.pc-4 { --pc-accent: #f97316; }
.price-card.pc-4 .price-card__head { background: linear-gradient(135deg, #ff9a3c, #f97316); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: 14px; margin-bottom: 12px; overflow: hidden; }
.faq-q { padding: 18px 22px; font-size: 15px; font-weight: 700; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; gap: 16px; }
.faq-a { display: none; padding: 0 22px 20px; color: var(--muted); font-size: 14px; }
.faq-item.open .faq-a { display: block; }
.faq-q i { font-style: normal; color: var(--primary); }

/* 响应式 */
@media (max-width: 1080px) {
    .hero-grid { gap: 40px; }
    .hero-title { font-size: 46px; }
    .block-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1.87fr); }
    .block-section.flip .block-grid { grid-template-columns: minmax(0, 1.87fr) minmax(0, 1fr); }
    .more-tags { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
    .site-links, .site-nav-actions .login, .site-nav-actions .site-btn { display: none; }
    .site-burger { display: flex; }
    .site-hero { padding: 46px 0 60px; }
    .hero-grid { grid-template-columns: 1fr; gap: 46px; }
    .hero-title { font-size: 38px; }
    .hero-visual { max-width: 560px; width: 100%; margin: 0 auto; }
    .hero-tip.tip1 { right: 0; top: -14px; }
    .hero-tip.tip2 { left: 0; bottom: 12px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item:nth-child(2) { border-right: 0; }
    .stat-item:nth-child(1), .stat-item:nth-child(2) { border-bottom: 1px solid var(--line); }
    .card-grid, .case-grid { grid-template-columns: repeat(2, 1fr); }
    .voice-grid { grid-template-columns: 1fr; }
    .download-grid { grid-template-columns: 1fr 1fr; }
    .block-grid, .block-section.flip .block-grid { grid-template-columns: 1fr; gap: 32px; }
    .block-section.flip .block-info, .block-section.flip .block-shot { order: 0; }
    .price-grid { grid-template-columns: repeat(2, 1fr); }
    .help-layout { grid-template-columns: 1fr; gap: 30px; }
    .help-toc { position: static; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); row-gap: 22px; }
    .metric-item:nth-child(2) { border-right: 0; }
    .more-tags { grid-template-columns: repeat(3, 1fr); }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .site-section { padding: 68px 0; }
    .site-title { font-size: 32px; }
}
@media (max-width: 640px) {
    .site-container { padding: 0 18px; }
    .site-nav { height: 64px; }
    .site-drawer { top: 64px; }
    .hero-title { font-size: 32px; letter-spacing: -.8px; }
    .hero-desc { font-size: 15px; }
    .hero-actions .site-btn { flex: 1; height: 46px; padding: 0 12px; }
    .mock-body { grid-template-columns: 46px 1fr; height: 320px; }
    .mock-side { display: none; }
    .hero-tip { transform: scale(.88); transform-origin: right top; }
    .hero-tip.tip2 { transform-origin: left bottom; }
    .stat-num { font-size: 32px; }
    .stat-label { font-size: 12px; }
    .card-grid, .case-grid, .more-cards, .download-grid { grid-template-columns: 1fr; }
    .more-tags { grid-template-columns: repeat(2, 1fr); }
    .block-head h2 { font-size: 26px; }
    .page-hero h1 { font-size: 30px; }
    .help-meta { flex-direction: column; gap: 6px; }
    .news-row { flex-wrap: wrap; gap: 8px 12px; }
    .news-title { flex: 1 0 100%; order: 3; }
    .voice-grid { grid-template-columns: 1fr; }
    .cta-box { padding: 44px 22px; border-radius: 22px; }
    .cta-box h2 { font-size: 26px; }
    .footer-top { grid-template-columns: 1fr; gap: 28px; }
    .footer-col-toggle { display: inline-flex; margin-top: -8px; }
    .footer-col-links { display: none; }
    .footer-col.open .footer-col-links { display: block; }
    .footer-bottom { flex-direction: column; }
    .site-float { right: 16px; bottom: 18px; height: 46px; padding: 0 16px; font-size: 13px; }
    .site-title { font-size: 27px; }
    .site-section { padding: 56px 0; }
    .site-drawer .actions { align-items: center; justify-content: center; }
    .price-grid { grid-template-columns: 1fr; }
    .price-num { font-size: 38px; }
    .article-page { padding: 20px 14px 48px; }
    .article-wrap { padding: 24px 18px 48px; min-height: 0; }
    .article-wrap h1 { font-size: 23px; }
}

/* ===== 首页真实图片 ===== */
.hero-shot { position: relative; border-radius: 20px; overflow: hidden; border: 1px solid var(--line); box-shadow: 0 30px 70px rgba(14, 20, 36, .14); background: #fff; }
.hero-shot img { display: block; width: 100%; height: auto; }
.block-item .item-icon { flex: none; width: 42px; height: 42px; border-radius: 10px; background: linear-gradient(135deg, var(--primary), #1740c4); display: flex; align-items: center; justify-content: center; }
.block-item .item-icon img { width: 24px; height: 24px; object-fit: contain; }
.block-shot.shots { padding: 0; }
.block-shot.shots .shot-img { display: none; width: 100%; height: auto; }
.block-shot.shots .shot-img.show { display: block; }
.more-imgs { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; margin-bottom: 24px; }
.more-img-card { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 14px 12px 16px; text-align: center; transition: .25s; }
.more-img-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: #d7e2ff; }
.more-img-card img { width: 100%; height: auto; border-radius: 8px; }
.more-img-card h3 { font-size: 14px; color: var(--ink); margin: 12px 0 0; font-weight: 600; }
.logo-wall { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.logo-cell { background: #fff; border: 1px solid var(--line); border-radius: 14px; height: 88px; display: flex; align-items: center; justify-content: center; padding: 14px 18px; }
.logo-cell img { max-width: 100%; max-height: 100%; object-fit: contain; opacity: .92; transition: .25s; }
.logo-cell:hover img { opacity: 1; }
.logo-cell span { font-size: 15px; font-weight: 600; color: var(--muted); }
.voice-avatar { overflow: hidden; }
.voice-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }

/* ===== 帮助中心（原版手册版式） ===== */
.manual-container { width: min(1500px, calc(100% - 48px)); margin: 0 auto; }
.manual-layout { display: grid; grid-template-columns: minmax(0, 290px) minmax(0, 1fr); gap: 48px; align-items: start; padding: 48px 0 64px; }
.manual-toc { position: sticky; top: 96px; background: #fff; border: 1px solid #e8edf5; border-radius: 14px; padding: 22px 18px; box-shadow: 0 6px 24px rgba(24, 50, 105, .06); min-width: 0; }
.manual-toc .toc-title { font-size: 16px; font-weight: 700; color: #1f2d4d; margin: 0 0 14px; padding-left: 10px; border-left: 3px solid var(--primary); line-height: 1.3; }
.manual-toc ol { list-style: none; margin: 0; padding: 0; }
.manual-toc li a { display: block; padding: 8px 12px; border-radius: 8px; color: #4a5670; font-size: 15px; text-decoration: none; line-height: 1.5; transition: background .2s, color .2s; }
.manual-toc li a:hover, .manual-toc li a.active { background: #eef3ff; color: var(--primary); }
.manual-toc li a .no { display: inline-block; min-width: 24px; color: #93a1bd; font-size: 13px; }
.doc-body { background: #fff; border: 1px solid #e8edf5; border-radius: 14px; padding: 48px 60px; box-shadow: 0 6px 24px rgba(24, 50, 105, .06); min-width: 0; overflow-wrap: break-word; }
.doc-meta { font-size: 13.5px; color: #8a97b3; margin-bottom: 10px; }
.doc-body h1 { font-size: 32px; color: #16233f; margin: 0 0 8px; line-height: 1.3; }
.doc-lead { color: #5b6b8c; font-size: 16px; line-height: 1.9; margin: 0 0 30px; }
.doc-section { padding-top: 38px; margin-top: 38px; border-top: 1px dashed #e3e9f4; scroll-margin-top: 96px; }
.doc-section:first-of-type { border-top: none; margin-top: 0; padding-top: 28px; }
.doc-section h2 { font-size: 24px; color: #1f2d4d; margin: 0 0 8px; display: flex; align-items: center; gap: 10px; }
.doc-section h2 .sec-no { flex: none; width: 32px; height: 32px; border-radius: 8px; background: #eef3ff; color: var(--primary); font-size: 16px; display: inline-flex; align-items: center; justify-content: center; font-family: Outfit, sans-serif; }
.doc-section .sec-desc { color: #6b7a99; font-size: 15px; margin: 0 0 20px; }
.doc-section h3 { font-size: 17px; color: #2c3a5c; margin: 28px 0 12px; }
.doc-section p, .doc-section li { color: #4a5670; font-size: 15.5px; line-height: 1.95; }
.doc-section ul, .doc-section ol { padding-left: 24px; margin: 10px 0; }
.doc-section a { color: var(--primary); }
.chapter-body .path { display: inline-flex; align-items: center; gap: 6px; background: #f3f6fc; border: 1px solid #e2e9f6; border-radius: 8px; padding: 3px 12px; font-size: 13px; color: var(--primary); font-weight: 600; white-space: nowrap; }
.chapter-body .path i { font-style: normal; color: #a6b3cf; font-weight: 400; }
.chapter-body .doc-table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: 10px; border: 1px solid #e9eef7; }
.chapter-body .doc-table { width: 100%; min-width: 620px; border-collapse: collapse; margin: 14px 0 6px; font-size: 15px; }
.chapter-body .doc-table th { background: #f4f7fd; color: #33456e; text-align: left; padding: 10px 12px; border: 1px solid #e4eaf5; font-weight: 600; white-space: nowrap; }
.chapter-body .doc-table td { padding: 10px 12px; border: 1px solid #e9eef7; color: #4a5670; vertical-align: top; line-height: 1.7; word-break: break-word; }
.chapter-body .doc-table tr:nth-child(even) td { background: #fafcfe; }
.chapter-body .step-list { counter-reset: step; list-style: none; padding: 0; margin: 12px 0; }
.chapter-body .step-list li { counter-increment: step; position: relative; padding: 0 0 14px 40px; }
.chapter-body .step-list li::before { content: counter(step); position: absolute; left: 0; top: 2px; width: 24px; height: 24px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; display: flex; align-items: center; justify-content: center; font-family: Outfit, sans-serif; }
.chapter-body .tip { background: #f0f7ff; border-left: 3px solid var(--primary); border-radius: 0 10px 10px 0; padding: 14px 18px; margin: 16px 0; font-size: 15px; color: #3c5a8c; line-height: 1.85; }
.chapter-body .tip.warn { background: #fff8ef; border-left-color: #f5a623; color: #8a6120; }
.chapter-body .tip b { color: inherit; }
.chapter-body .kbd { display: inline-block; background: #f1f4fa; border: 1px solid #d8e0ee; border-bottom-width: 2px; border-radius: 6px; padding: 0 7px; font-size: 12.5px; color: #33456e; font-family: Consolas, Menlo, monospace; }
.chapter-body .feature-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; margin: 14px 0; }
.chapter-body .feature-card { border: 1px solid #e6ecf6; border-radius: 12px; padding: 16px 18px; background: #fbfcff; transform: none; box-shadow: none; }
.chapter-body .feature-card:hover { transform: none; box-shadow: none; border-color: #e6ecf6; }
.chapter-body .feature-card b { display: block; color: #2c3a5c; font-size: 15px; margin-bottom: 5px; }
.chapter-body .feature-card span { color: #6b7a99; font-size: 14px; line-height: 1.75; display: block; }
.chapter-body .doc-shot { margin: 20px 0 8px; border: 1px solid #e2e8f4; border-radius: 12px; overflow: hidden; box-shadow: 0 8px 28px rgba(24, 50, 105, .08); background: #fff; padding: 0; }
.chapter-body .doc-shot img { display: block; width: 100%; height: auto; }
.chapter-body .doc-shot figcaption { text-align: center; font-size: 13px; color: #8a97b3; padding: 10px 14px; background: #fafcfe; border-top: 1px solid #edf1f8; }
/* 移动端：目录抽屉 + 悬浮按钮 */
.toc-fab { display: none; position: fixed; left: 16px; bottom: 24px; z-index: 210; width: 54px; height: 54px; border: none; border-radius: 50%; background: var(--primary); color: #fff; cursor: pointer; box-shadow: 0 10px 26px rgba(43, 92, 255, .42); flex-direction: column; align-items: center; justify-content: center; gap: 2px; font-family: inherit; }
.toc-fab svg { width: 20px; height: 20px; }
.toc-fab span { font-size: 11px; line-height: 1; }
.toc-fab:active { transform: scale(.94); }
.toc-mask { display: none; position: fixed; inset: 0; background: rgba(13, 27, 46, .5); z-index: 218; opacity: 0; transition: opacity .25s ease; }
.toc-head { display: none; }
@media (max-width: 960px) {
    .manual-layout { grid-template-columns: minmax(0, 1fr); padding: 28px 0 96px; }
    .manual-toc { position: fixed; top: 0; bottom: 0; left: 0; width: min(300px, 84vw); margin: 0; border-radius: 0 16px 16px 0; z-index: 220; transform: translateX(-105%); transition: transform .28s ease; overflow-y: auto; box-shadow: 12px 0 40px rgba(13, 27, 46, .18); }
    body.toc-open .manual-toc { transform: translateX(0); }
    body.toc-open .toc-mask { display: block; opacity: 1; }
    body.toc-open { overflow: hidden; }
    .manual-toc .toc-title { display: none; }
    .toc-fab { display: flex; }
    .toc-head { display: flex; align-items: center; justify-content: space-between; margin: 0 -4px 12px; padding-bottom: 10px; border-bottom: 1px solid #edf1f8; }
    .toc-head b { font-size: 15px; color: #1f2d4d; }
    .toc-close { width: 30px; height: 30px; border: none; border-radius: 8px; background: #f1f4fa; color: #5a6a8c; font-size: 17px; line-height: 1; cursor: pointer; }
    .doc-body { padding: 26px 20px; min-width: 0; }
    .doc-body h1 { font-size: 24px; }
    .more-imgs { grid-template-columns: repeat(3, 1fr); }
    .logo-wall { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 480px) {
    .manual-container { width: calc(100% - 28px); }
    .manual-layout { gap: 20px; padding: 20px 0 40px; }
    .doc-body { padding: 20px 14px; border-radius: 12px; }
    .doc-body h1 { font-size: 21px; }
    .doc-section h2 { font-size: 20px; }
    .doc-section h3 { font-size: 16px; }
    .page-hero h1 { font-size: 24px; }
    .chapter-body .path { white-space: normal; }
    .doc-section p, .doc-section li { font-size: 14.5px; line-height: 1.85; }
    .more-imgs { grid-template-columns: repeat(2, 1fr); }
    .logo-wall { grid-template-columns: repeat(2, 1fr); }
}

body.site-body:has(.site-hero) {
    --primary: #2b63f6;
    --primary-dark: #1740c4;
    --ink: #0d1b2e;
    --text: #33415c;
    --muted: #67748a;
    --line: rgba(13, 27, 46, .09);
    --bg-soft: #f6f8fc;
    --container: 1208px;
    font-size: 15px;
}
.site-header, .site-drawer {
    --primary: #2b63f6;
    --primary-dark: #1740c4;
    --ink: #0d1b2e;
    --text: #33415c;
    --line: rgba(13, 27, 46, .09);
    --container: 1208px;
    font-size: 15px;
    color: var(--text);
}
body.site-body:not(:has(.site-hero)) { padding-top: 69px; }
.site-body .site-header {
    position: fixed; inset: 0 0 auto; z-index: 100;
    background: rgba(255, 255, 255, .82); border-bottom-color: transparent;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    transition: background .3s, border-color .3s, box-shadow .3s;
}
.site-body .site-header.scrolled { background: rgba(255, 255, 255, .94); border-bottom-color: var(--line); box-shadow: 0 8px 28px -18px rgba(13,27,46,.25); }
.site-body .site-nav { height: 68px; gap: 6px; }
.site-body .site-logo { margin-right: auto; }
.site-body .site-logo img { height: 48px; }
.site-body .site-links { gap: 6px; }
.site-body .site-nav-actions .login { display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: 9px; font-size: 14.5px; font-weight: 500; color: var(--text); }
.site-body .site-nav-actions .login:hover { color: var(--primary); background: var(--primary-soft); }
.site-body .site-nav-actions { gap: 6px; }
body:has(.site-hero) .site-btn { border-radius: 12px; font-size: 16px; }
.site-body .site-nav-actions .site-btn.primary { height: 38px; padding: 0 16px; border-radius: 9px; font-size: 14.5px; box-shadow: 0 6px 18px -6px rgba(43, 99, 246, .55); }
.site-hero { padding: 148px 0 96px; background: radial-gradient(900px 480px at 88% -10%, rgba(43, 99, 246, .14), transparent 60%), radial-gradient(700px 420px at -10% 20%, rgba(13, 181, 160, .09), transparent 55%), linear-gradient(180deg, #f7faff, #fff); }
.site-hero::before { background-image: linear-gradient(rgba(13, 27, 46, .035) 1px, transparent 1px), linear-gradient(90deg, rgba(13, 27, 46, .035) 1px, transparent 1px); background-size: 56px 56px; mask-image: radial-gradient(1200px 600px at 60% 0%, #000 20%, transparent 75%); -webkit-mask-image: radial-gradient(1200px 600px at 60% 0%, #000 20%, transparent 75%); }
.hero-grid { grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr); gap: 56px; }
.hero-copy, .hero-visual { min-width: 0; }
.hero-badge { gap: 7px; padding: 5px 12px 5px 7px; margin-bottom: 22px; border-radius: 999px; font-size: 12px; line-height: 1.4; border-color: rgba(43, 99, 246, .25); background: rgba(43, 99, 246, .06); color: var(--primary-dark); font-weight: 500; box-shadow: none; }
.hero-badge { padding: 5px 12px 5px 8px; font-size: 12px; }
.hero-badge-label { display: inline-flex; align-items: center; height: 24px; padding: 0 12px; border-radius: 999px; color: #fff; background: linear-gradient(120deg, #3675f9, #1646dc); font-weight: 600; }
.hero-badge-label::before { content: ''; width: 5px; height: 5px; margin-right: 7px; background: #fff; border-radius: 50%; }
.hero-badge-mark { width: 19px; height: 19px; grid-template-columns: repeat(3, 4px); justify-content: center; align-items: center; border-radius: 50%; box-shadow: none; }
.hero-title { font-size: clamp(34px, 5.2vw, 56px); line-height: 1.18; letter-spacing: -.025em; margin: 0; }
.hero-title em { background: linear-gradient(120deg, var(--primary) 20%, #0db5a0); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-desc { max-width: 520px; margin: 20px 0 0; }
.hero-actions { margin-top: 34px; align-items: center; }
.hero-actions .primary span { margin-left: 6px; font-size: 19px; font-weight: 400; line-height: 1; }
.hero-actions .ghost { background: rgba(255, 255, 255, .7); border-color: rgba(13, 27, 46, .16); font-weight: 500; }
.hero-note { font-size: 13.5px; flex-wrap: wrap; }
.hero-note svg { flex-shrink: 0; color: #0db5a0; }
.hero-visual::before { content: ''; position: absolute; inset: -8% -6% -4%; background: radial-gradient(closest-side, rgba(43, 99, 246, .22), transparent 72%); filter: blur(10px); }
.hero-shot, .hero-visual > .mock-browser { z-index: 1; position: relative; border-radius: 16px; border: 1px solid rgba(13, 27, 46, .1); padding: 10px; background: #fff; box-shadow: 0 32px 64px -24px rgba(23, 64, 196, .25); transform: rotate(.6deg); }
.hero-shot img { border-radius: 8px; }
.hero-shot .mock-bar { padding: 8px 10px 10px; background: transparent; border: 0; }
.hero-shot .mock-bar i { width: 10px; height: 10px; background: #ff9d95; flex-shrink: 0; }
.hero-shot .mock-bar i:nth-child(2) { background: #ffd479; }
.hero-shot .mock-bar i:nth-child(3) { background: #8fe3a8; }
.hero-shot .mock-url { margin-left: 10px; max-width: none; border: 0; background: #f2f5fa; border-radius: 6px; padding: 0 10px; height: 22px; }
.hero-tip { border-radius: 12px; min-width: 0; background: rgba(255, 255, 255, .92); backdrop-filter: blur(8px); box-shadow: 0 12px 32px -12px rgba(13, 27, 46, .18); }
.hero-tip { display: flex; align-items: center; gap: 10px; padding: 12px 15px; }
.hero-tip .hero-tip-copy { display: block; min-width: 0; }
.hero-tip .hero-tip-copy b { display: block; margin: 0 0 2px; line-height: 1.45; }
.hero-tip .hero-tip-copy > span { display: block; white-space: nowrap; }
.hero-tip .hero-tip-icon { display: flex; align-items: center; justify-content: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 9px; }
.hero-tip-icon svg { width: 20px; height: 20px; }
.hero-tip-icon img { display: block; width: 20px; height: 20px; object-fit: contain; }
.hero-tip .tip-ai { background: #eaf1ff; color: #3c78fa; }
.hero-tip .tip-channel { background: #e5faf7; color: #16bfa8; }
.hero-tip.tip1 { top: 12%; left: -28px; right: auto; }
.hero-tip.tip2 { bottom: 7%; right: -28px; left: auto; }
.site-hero .stats-band { position: relative; margin-top: 64px; border: 0; background: transparent; }
.site-hero .stats-grid { position: relative; gap: 24px; padding-top: 34px; }
.site-hero .stats-grid::before { content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px; background: var(--line); }
.site-hero .stat-item { padding: 0; border: 0; text-align: left; }
.site-hero .stat-num { font-size: clamp(28px, 3.4vw, 40px); font-weight: 700; line-height: 1.1; letter-spacing: -.02em; }
.site-hero .stat-num small { font-size: inherit; }
.site-hero .stat-label { margin-top: 6px; font-size: 13.5px; }
.channels-section { padding: 44px 0 52px; border-bottom: 1px solid var(--line); }
.channels-section .channel-title { margin: 0 0 22px; font-size: 13px; letter-spacing: .06em; font-weight: 400; color: var(--muted); }
.channels-section .channel-tags { gap: 10px; max-width: 980px; margin: auto; }
.channels-section .channel-tag { padding: 8px 16px; font-size: 13.5px; box-shadow: none; }
.channels-section .channel-desc { margin: 18px 0 0; font-size: 13px; color: #9aa4b2; }
.ai-section { padding: 100px 0 108px; background: radial-gradient(1000px 500px at 85% 0%, rgba(43, 99, 246, .28), transparent 60%), radial-gradient(800px 500px at 0% 100%, rgba(13, 181, 160, .14), transparent 55%), #0b1526; color: #eef3fb; overflow: hidden; }
.ai-section .site-head { max-width: none; margin-bottom: 52px; }
.ai-section .site-eyebrow { color: #8fb3ff; font-weight: 600; letter-spacing: .14em; }
.ai-section .site-eyebrow::before { background: #8fb3ff; }
.ai-section .site-title { font-size: clamp(26px, 4vw, 38px); font-weight: 700; color: #fff; letter-spacing: -.02em; margin-bottom: 12px; }
.ai-section .site-desc { max-width: 620px; color: #9fb0c9; }
.ai-section .card-grid { gap: 18px; }
.ai-section .feature-card { position: relative; padding: 28px 26px 26px; border-radius: 16px; background: rgba(255, 255, 255, .045); border-color: rgba(255, 255, 255, .09); overflow: hidden; }
.ai-section .feature-card::after { content: ''; position: absolute; top: 0; left: 24px; right: 24px; height: 1px; background: linear-gradient(90deg, transparent, rgba(143, 179, 255, .5), transparent); opacity: .6; }
.ai-section .feature-card:hover { transform: translateY(-5px); background: rgba(255, 255, 255, .075); border-color: rgba(143, 179, 255, .35); box-shadow: none; }
.ai-section .feature-icon { border-radius: 11px; border: 1px solid rgba(143, 179, 255, .3); background: linear-gradient(135deg, rgba(43, 99, 246, .4), rgba(13, 181, 160, .25)); color: #aecdff; }
.ai-section .feature-card h3 { font-size: 17.5px; font-weight: 600; color: #fff; margin-bottom: 9px; }
.ai-section .feature-card p { font-size: 13.8px; line-height: 1.75; color: #9fb0c9; }
.ai-section .feature-en { margin-top: 13px; padding: 3px 10px; border-radius: 6px; background: rgba(143, 179, 255, .12); border: 1px solid rgba(143, 179, 255, .18); color: #aecdff; font-size: 12px; letter-spacing: .04em; text-transform: none; }
.ai-metrics { margin-top: 34px; gap: 14px; }
.ai-metrics .metric-item { padding: 20px 16px; border: 1px solid rgba(255, 255, 255, .1); border-radius: 12px; background: rgba(255, 255, 255, .035); }
.ai-metrics .metric-item strong { font-weight: 700; }
.ai-metrics .metric-item span { color: #9fb0c9; }
.block-section { padding: 100px 0; scroll-margin-top: 68px; }
.block-head { margin-bottom: 52px; }
.block-head h2 { font-size: clamp(26px, 4vw, 38px); font-weight: 700; letter-spacing: -.02em; line-height: 1.25; margin: 14px 0 0; }
.block-head p { margin-top: 12px; max-width: 620px; font-size: 16px; }
.block-head p:empty { display: none; }
.block-en { gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .14em; }
.block-en::before { content: ''; width: 22px; height: 2px; border-radius: 2px; background: var(--primary); }
.block-en span { display: inline; width: auto; height: auto; background: transparent; font-size: inherit; letter-spacing: inherit; }
.block-grid { grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 56px; }
.block-section.flip .block-grid { grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr); }
.block-info { min-width: 0; }
.block-items { gap: 10px; }
.block-item { width: 100%; min-height: 0; padding: 22px 24px; text-align: left; font: inherit; color: inherit; appearance: none; border-radius: 12px; }
.block-item.on, .block-item:hover { border-color: rgba(43, 99, 246, .2); background: var(--primary-soft); box-shadow: none; }
.block-item:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.block-item .idx { font-size: 12px; font-weight: 600; }
.block-item-title { display: block; font-size: 17px; font-weight: 600; color: var(--ink); margin: 0 0 8px; }
.block-item-desc { display: block; font-size: 13.8px; color: var(--muted); line-height: 1.75; }
.block-shot { min-width: 0; border-radius: 14px; padding: 10px; box-shadow: 0 12px 32px -12px rgba(13, 27, 46, .18); }
.block-shot.shots { padding: 10px; }
.block-shot .shot-bar { height: 34px; padding: 0 8px 10px; background: transparent; border: 0; }
.block-shot .shot-bar i { flex-shrink: 0; }
.block-shot .shot-bar i:nth-child(1) { background: #ff9d95; }
.block-shot .shot-bar i:nth-child(2) { background: #ffd479; }
.block-shot .shot-bar i:nth-child(3) { background: #8fe3a8; }
.block-shot .shot-bar span { font-size: 11px; color: #9aa6b8; padding: 0 10px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.shot-images { overflow: hidden; border-radius: 8px; background: #f6f8fc; }
.block-shot.shots .shot-img { height: auto; object-fit: contain; }
@media (min-width: 769px) and (max-width: 900px) {
    .site-body .site-links { display: flex; gap: 0; }
    .site-body .site-links a { padding: 0 9px; }
    .site-body .site-nav-actions .site-btn { display: inline-flex; }
    .site-body .site-burger { display: none; }
}
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; gap: 46px; }
    .block-grid, .block-section.flip .block-grid { grid-template-columns: 1fr; gap: 32px; }
    .block-section.flip .block-info, .block-section.flip .block-shot { order: 0; }
}
@media (max-width: 768px) {
    body.site-body:not(:has(.site-hero)) { padding-top: 59px; }
    .site-body .site-nav { height: 58px; }
    .site-body .site-logo img { height: 40px; }
    .site-body .site-nav-actions .login { display: none; }
    .site-body .site-drawer-mask.open { display: block; position: fixed; inset: 58px 0 0; z-index: 98; width: 100%; padding: 0; border: 0; background: #fff; cursor: pointer; }
    .site-body .site-drawer { position: fixed; inset: 58px 0 auto; z-index: 99; max-height: calc(100dvh - 58px); overflow-y: auto; overscroll-behavior: contain; background: #fff; box-shadow: 0 18px 36px rgba(13, 27, 46, .16); }
    .site-body.site-menu-open { overflow: hidden; }
    .site-hero { padding: 108px 0 60px; }
    .hero-tip.tip1 { left: -8px; }
    .hero-tip.tip2 { right: -8px; }
    .site-hero .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 28px 20px; }
    .ai-section, .block-section { padding: 64px 0; }
    .ai-section .site-head, .block-head { margin-bottom: 32px; }
    .ai-section .card-grid { grid-template-columns: 1fr; }
    .ai-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .block-item { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .site-hero *, .ai-section *, .block-section * { transition: none; animation: none; }
}