/* =========================================================
   lark.css — 翎蓝 Lark（飞书风·协作蓝·浅色）v1.9.0
   对齐 feishu.cn 视觉与布局：白色导航 / 居中大标题 / 协作蓝
   #3370ff / 胶囊按钮 / 12-16px 圆角卡片 / 柔和层叠阴影
   ========================================================= */

/* =============== 01 令牌 & Reset =============== */
:root {
    --fs-blue: #3370ff;
    --fs-blue-dark: #245bdb;
    --fs-blue-light: #5083fb;
    --fs-blue-soft: #f0f4ff;
    --fs-blue-softer: #f7f9ff;
    --fs-text: #1f2329;
    --fs-text2: #646a73;
    --fs-text3: #8f959e;
    --fs-border: #dee0e3;
    --fs-border-light: #e8eaed;
    --fs-bg: #ffffff;
    --fs-bg-soft: #f5f6f7;
    --fs-bg-page: #ffffff;
    --fs-radius: 12px;
    --fs-radius-lg: 16px;
    --fs-pill: 100px;
    --fs-shadow: 0 4px 8px rgba(31, 35, 41, .03), 0 3px 6px -6px rgba(31, 35, 41, .05), 0 6px 12px rgba(31, 35, 41, .04);
    --fs-shadow-lg: 0 4px 8px -8px rgba(31, 35, 41, .06), 0 6px 12px rgba(31, 35, 41, .04), 0 8px 24px rgba(31, 35, 41, .08);
    --fs-shadow-blue: 0 8px 24px rgba(51, 112, 255, .18);
    --zb-primary: var(--fs-blue);
    --zb-text: var(--fs-text);
    --zb-bg: var(--fs-bg);
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body.zb-body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--fs-text);
    background: var(--fs-bg-page);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .18s ease, background .18s ease, box-shadow .18s ease, transform .18s ease, border-color .18s ease; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
::selection { background: rgba(51, 112, 255, .18); }

/* =============== 02 布局基元 & 按钮 =============== */
.zb-container { width: min(1200px, 92%); margin: 0 auto; }
.zb-section { padding: 84px 0; }
.zb-section--flush { padding: 56px 0 0; }
.zb-section-head { text-align: center; margin-bottom: 40px; }
.zb-section-head--left { text-align: left; }
.zb-section-head .kicker {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 13px; font-weight: 600; letter-spacing: .12em;
    color: var(--fs-blue); text-transform: uppercase;
    background: var(--fs-blue-soft); border-radius: var(--fs-pill);
    padding: 4px 14px; margin-bottom: 14px;
}
.zb-section-head h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 700; letter-spacing: -.01em; }
.zb-section-head p { color: var(--fs-text2); margin-top: 10px; }
.zb-empty {
    text-align: center; color: var(--fs-text3); padding: 72px 0;
    background: var(--fs-bg-soft); border-radius: var(--fs-radius-lg); font-size: 15px;
}
.zb-empty i { display: block; font-size: 34px; margin-bottom: 12px; color: #bbbfc4; }

.fs-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border-radius: var(--fs-pill); padding: 10px 24px;
    font-size: 15px; font-weight: 600; line-height: 1.4; border: 1px solid transparent;
    white-space: nowrap;
}
.fs-btn-lg { padding: 13px 30px; font-size: 16px; }
.fs-btn-sm { padding: 7px 18px; font-size: 13px; }
.fs-btn-primary { background: var(--fs-blue); color: #fff; box-shadow: 0 4px 12px rgba(51, 112, 255, .25); }
.fs-btn-primary:hover { background: var(--fs-blue-dark); box-shadow: var(--fs-shadow-blue); transform: translateY(-1px); }
.fs-btn-outline { background: #fff; color: var(--fs-text); border-color: var(--fs-border); }
.fs-btn-outline:hover { border-color: var(--fs-blue); color: var(--fs-blue); background: var(--fs-blue-softer); }
.fs-btn-ghost { background: transparent; color: var(--fs-text2); }
.fs-btn-ghost:hover { color: var(--fs-blue); background: var(--fs-blue-soft); }
.fs-btn-light { background: #fff; color: var(--fs-blue-dark); box-shadow: 0 6px 18px rgba(9, 30, 66, .25); }
.fs-btn-light:hover { transform: translateY(-1px); box-shadow: 0 10px 26px rgba(9, 30, 66, .3); }

/* 分页（飞书式胶囊） */
.zb-pagination { text-align: center; padding: 36px 0 8px; }
.zb-pagination ul.pagination { display: inline-flex; flex-wrap: wrap; gap: 8px; padding: 0; margin: 0; list-style: none; }
.zb-pagination ul.pagination li a,
.zb-pagination ul.pagination li span {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 38px; height: 38px; padding: 0 14px;
    border-radius: var(--fs-pill); border: 1px solid var(--fs-border);
    background: #fff; color: var(--fs-text2); font-size: 14px;
}
.zb-pagination ul.pagination li a:hover { border-color: var(--fs-blue); color: var(--fs-blue); }
.zb-pagination ul.pagination li span { background: var(--fs-blue); border-color: var(--fs-blue); color: #fff; font-weight: 600; }
.zb-pagination ul.pagination li.disabled span { background: var(--fs-bg-soft); border-color: var(--fs-border-light); color: var(--fs-text3); }

/* =============== 03 顶部公告条 & Header =============== */
.fs-topbar { background: #0b0d12; color: rgba(255, 255, 255, .92); font-size: 13px; }
.fs-topbar-inner { display: flex; align-items: center; justify-content: center; gap: 16px; min-height: 44px; flex-wrap: wrap; }
.fs-topbar-inner p { display: flex; align-items: center; gap: 8px; }
.fs-topbar-inner p i { color: #7ea6ff; }
.fs-topbar-btn { display: inline-flex; align-items: center; gap: 4px; color: #fff; background: rgba(255, 255, 255, .14); border-radius: var(--fs-pill); padding: 3px 12px; font-weight: 500; }
.fs-topbar-btn:hover { background: var(--fs-blue); }

.fs-header {
    position: sticky; top: 0; z-index: 120;
    background: rgba(255, 255, 255, .92); backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
}
.fs-header.is-scrolled { border-bottom-color: var(--fs-border-light); box-shadow: 0 2px 8px rgba(31, 35, 41, .04); }
.fs-header-inner { display: flex; align-items: center; gap: 26px; height: 64px; }
.zb-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.zb-logo img { height: 34px; width: auto; }
.zb-logo-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 34px; height: 34px; border-radius: 9px;
    background: linear-gradient(135deg, var(--fs-blue), #6a96ff);
    color: #fff; font-weight: 800; font-size: 17px;
}
.zb-logo-text { font-size: 19px; font-weight: 700; letter-spacing: -.01em; }
.fs-nav { display: flex; align-items: center; gap: 6px; flex: 1; }
.fs-nav > a {
    padding: 7px 15px; border-radius: var(--fs-pill);
    color: var(--fs-text2); font-size: 15px; font-weight: 500;
}
.fs-nav > a:hover { color: var(--fs-blue); background: var(--fs-blue-soft); }
.fs-nav > a.active { color: var(--fs-blue); background: var(--fs-blue-soft); font-weight: 600; }
.fs-search { display: flex; align-items: center; margin-left: 8px; background: var(--fs-bg-soft); border: 1px solid transparent; border-radius: var(--fs-pill); padding: 4px 6px 4px 16px; transition: .2s; }
.fs-search:focus-within { border-color: var(--fs-blue); background: #fff; box-shadow: 0 0 0 3px rgba(51, 112, 255, .12); }
.fs-search input { border: 0; outline: 0; background: transparent; width: 128px; font-size: 13.5px; color: var(--fs-text); }
.fs-search button { border: 0; background: var(--fs-blue); color: #fff; width: 28px; height: 28px; border-radius: 50%; font-size: 12px; }
.fs-header-actions { display: flex; align-items: center; gap: 10px; margin-left: auto; flex-shrink: 0; }
.zb-burger { display: none; border: 0; background: transparent; font-size: 20px; color: var(--fs-text); width: 40px; height: 40px; border-radius: 10px; }
.zb-burger:hover { background: var(--fs-bg-soft); }

/* =============== 04 Hero + 产品截图 Mock =============== */
.fs-hero { padding: 76px 0 30px; text-align: center; position: relative; overflow: hidden; }
.fs-hero::before {
    content: ""; position: absolute; inset: -220px -10% auto; height: 560px;
    background:
        radial-gradient(420px 260px at 18% 30%, rgba(51, 112, 255, .10), transparent 70%),
        radial-gradient(460px 280px at 82% 24%, rgba(169, 148, 250, .12), transparent 70%),
        radial-gradient(380px 240px at 50% 10%, rgba(2, 180, 148, .07), transparent 70%);
    pointer-events: none;
}
.fs-hero > .zb-container { position: relative; }
.fs-hero-kicker {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--fs-blue-soft); color: var(--fs-blue);
    border-radius: var(--fs-pill); padding: 7px 18px;
    font-size: 13.5px; font-weight: 600;
}
.fs-hero-title {
    margin-top: 26px;
    font-size: clamp(38px, 6vw, 64px); line-height: 1.16;
    font-weight: 800; letter-spacing: -.02em;
}
.fs-hero-lead { margin: 22px auto 0; max-width: 620px; color: var(--fs-text2); font-size: clamp(15px, 1.6vw, 18px); }
.fs-hero-actions { margin-top: 34px; display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.fs-hero-stats { margin-top: 44px; display: flex; justify-content: center; gap: clamp(28px, 6vw, 72px); }
.fs-hero-stats > div { text-align: center; }
.fs-hero-stats b { display: block; font-size: clamp(24px, 3vw, 34px); font-weight: 800; color: var(--fs-text); letter-spacing: -.01em; }
.fs-hero-stats span { color: var(--fs-text3); font-size: 13.5px; }

/* 产品界面 Mock */
.fs-shot {
    margin-top: 56px; text-align: left;
    border-radius: var(--fs-radius-lg);
    background: #fff; border: 1px solid var(--fs-border-light);
    box-shadow: 0 24px 64px rgba(31, 35, 41, .10), 0 6px 18px rgba(51, 112, 255, .06);
    overflow: hidden;
}
.fs-shot-bar { display: flex; align-items: center; gap: 7px; padding: 12px 16px; border-bottom: 1px solid var(--fs-border-light); background: #fbfcfd; }
.fs-shot-bar .d { width: 11px; height: 11px; border-radius: 50%; }
.fs-shot-bar .d:nth-child(1) { background: #ff5f57; }
.fs-shot-bar .d:nth-child(2) { background: #febc2e; }
.fs-shot-bar .d:nth-child(3) { background: #28c840; }
.fs-shot-bar .t { margin-left: 10px; color: var(--fs-text3); font-size: 12.5px; display: inline-flex; gap: 6px; align-items: center; }
.fs-shot-body { display: grid; grid-template-columns: 172px 1fr 218px; min-height: 300px; }
.fs-shot-side { border-right: 1px solid var(--fs-border-light); background: #fafbfc; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.fs-shot-side span { display: flex; align-items: center; gap: 9px; padding: 8px 12px; border-radius: 8px; color: var(--fs-text2); font-size: 13px; }
.fs-shot-side span.on { background: var(--fs-blue-soft); color: var(--fs-blue); font-weight: 600; }
.fs-shot-main { padding: 18px 20px; }
.fs-shot-headline { display: flex; align-items: center; gap: 10px; }
.fs-shot-headline b { font-size: 15px; }
.fs-shot-chip { background: rgba(2, 180, 148, .12); color: #04957d; font-size: 11.5px; font-weight: 600; border-radius: var(--fs-pill); padding: 2px 10px; }
.fs-shot-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 14px; }
.fs-shot-card { border: 1px solid var(--fs-border-light); border-radius: 10px; padding: 13px 12px; display: grid; gap: 4px; }
.fs-shot-card i { color: var(--fs-blue); font-size: 16px; }
.fs-shot-card b { font-size: 13px; }
.fs-shot-card span { color: var(--fs-text3); font-size: 11.5px; }
.fs-shot-lines { margin-top: 16px; display: grid; gap: 9px; }
.fs-shot-lines span { height: 9px; border-radius: var(--fs-pill); background: linear-gradient(90deg, rgba(51, 112, 255, .16), rgba(51, 112, 255, .05)); }
.fs-shot-msg { border-left: 1px solid var(--fs-border-light); background: #fafbfc; padding: 16px 14px; position: relative; }
.fs-shot-msg > b { font-size: 13.5px; }
.fs-shot-msg .m { display: flex; align-items: center; gap: 8px; margin-top: 12px; font-size: 12.5px; color: var(--fs-text2); background: #fff; border: 1px solid var(--fs-border-light); border-radius: 9px; padding: 8px 10px; }
.fs-shot-msg .m i { color: var(--fs-blue); }
.fs-shot-cursor {
    position: absolute; right: 26px; bottom: 22px; width: 10px; height: 18px;
    background: var(--fs-blue); border-radius: 2px; animation: fs-blink 1.1s steps(1) infinite;
}
@keyframes fs-blink { 50% { opacity: 0; } }

/* =============== 05 吸顶锚点子导航 =============== */
.fs-subnav {
    position: sticky; top: 64px; z-index: 90;
    background: rgba(255, 255, 255, .94); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--fs-border-light);
}
.fs-subnav-inner { display: flex; justify-content: center; gap: 8px; padding: 10px 0; flex-wrap: wrap; }
.fs-subnav a {
    padding: 7px 20px; border-radius: var(--fs-pill);
    color: var(--fs-text2); font-size: 14px; font-weight: 500;
    background: var(--fs-bg-soft);
}
.fs-subnav a:hover { color: var(--fs-blue); }
.fs-subnav a.on { background: var(--fs-blue); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(51, 112, 255, .28); }

/* =============== 06 能力图标行 =============== */
.fs-icons { padding: 58px 0 12px; }
.fs-icons-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.fs-icons .it {
    display: grid; justify-items: center; text-align: center; gap: 8px;
    padding: 30px 16px; border-radius: var(--fs-radius-lg);
    background: var(--fs-blue-softer); border: 1px solid transparent;
}
.fs-icons .it:hover { border-color: rgba(51, 112, 255, .25); box-shadow: var(--fs-shadow); transform: translateY(-3px); }
.fs-icons .it i { font-size: 26px; color: var(--fs-blue); }
.fs-icons .it b { font-size: 16px; }
.fs-icons .it span { color: var(--fs-text3); font-size: 13px; }

/* =============== 07 Banner 轮播 =============== */
.fs-banner { margin: 46px auto 0; }
.zb-banner-slide { border-radius: var(--fs-radius-lg); overflow: hidden; box-shadow: var(--fs-shadow-lg); position: relative; }
.zb-banner-slide img { width: 100%; height: 300px; object-fit: cover; }
.zb-banner-caption {
    position: absolute; left: 0; right: 0; bottom: 0;
    padding: 44px 30px 22px; color: #fff;
    background: linear-gradient(180deg, transparent, rgba(11, 13, 18, .78));
}
.zb-banner-caption h3 { font-size: 21px; }
.zb-banner-caption p { opacity: .88; font-size: 13.5px; margin-top: 4px; }

/* =============== 08 场景墙（客户墙位） =============== */
.fs-brands { padding: 78px 0 8px; }
.fs-brands-head { text-align: center; margin-bottom: 34px; }
.fs-brands-head .kicker { display: inline-block; color: var(--fs-blue); font-weight: 700; letter-spacing: .14em; font-size: 13px; text-transform: uppercase; }
.fs-brands-head h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 700; margin-top: 10px; letter-spacing: -.01em; }
.fs-brands-wall { display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px; }
.fs-brand {
    display: grid; justify-items: center; gap: 3px; text-align: center;
    border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius);
    padding: 22px 10px 18px; background: #fff;
}
.fs-brand i { font-size: 22px; color: var(--fs-blue); background: var(--fs-blue-soft); width: 46px; height: 46px; display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; }
.fs-brand b { font-size: 14.5px; margin-top: 7px; }
.fs-brand span { color: var(--fs-text3); font-size: 12px; }
.fs-brand:hover { box-shadow: var(--fs-shadow-lg); transform: translateY(-3px); border-color: rgba(51, 112, 255, .3); }

/* =============== 09 精选实践三列大卡 =============== */
.fs-practice { padding: 78px 0 8px; }
.fs-sec-head { text-align: center; margin-bottom: 38px; }
.fs-sec-head h2 { font-size: clamp(24px, 3.2vw, 34px); font-weight: 700; letter-spacing: -.01em; }
.fs-sec-head p { color: var(--fs-text2); margin-top: 10px; }
.fs-practice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fs-practice-card {
    display: flex; flex-direction: column; gap: 10px;
    border-radius: var(--fs-radius-lg); padding: 26px 24px;
    background: linear-gradient(160deg, var(--fs-blue-softer), #eef3ff);
    border: 1px solid rgba(51, 112, 255, .10);
}
.fs-practice-card:nth-child(2) { background: linear-gradient(160deg, #f6f9ff, #eef4ff); }
.fs-practice-card:nth-child(3) { background: linear-gradient(160deg, #f5fbff, #ecf5ff); }
.fs-practice-card .cover { border-radius: 10px; overflow: hidden; aspect-ratio: 16 / 8.4; background: #fff; }
.fs-practice-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.fs-practice-card:hover .cover img { transform: scale(1.05); }
.fs-practice-card .tag { align-self: flex-start; background: rgba(51, 112, 255, .12); color: var(--fs-blue-dark); font-size: 12px; font-weight: 600; border-radius: var(--fs-pill); padding: 3px 12px; }
.fs-practice-card b { font-size: 18px; line-height: 1.45; letter-spacing: -.01em; }
.fs-practice-card p { color: var(--fs-text2); font-size: 13.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fs-practice-card .go { margin-top: auto; color: var(--fs-blue); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 7px; }
.fs-practice-card .go i { transition: transform .2s; }
.fs-practice-card:hover { box-shadow: var(--fs-shadow-lg); transform: translateY(-4px); }
.fs-practice-card:hover .go i { transform: translateX(4px); }

/* =============== 10 明星产品横排 =============== */
.fs-products { padding: 78px 0 8px; }
.fs-products-row { display: grid; gap: 12px; }
.fs-product {
    display: flex; align-items: center; gap: 18px;
    border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg);
    padding: 16px 22px; background: #fff;
}
.fs-product .ico {
    width: 52px; height: 52px; flex-shrink: 0; border-radius: 14px;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 21px; color: #fff;
    background: linear-gradient(135deg, var(--fs-blue), #6a96ff);
    box-shadow: 0 6px 14px rgba(51, 112, 255, .28);
}
.fs-product .bd { flex: 1; min-width: 0; }
.fs-product .bd b { font-size: 16px; }
.fs-product .bd p { color: var(--fs-text2); font-size: 13px; margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fs-product .price { color: var(--fs-blue); font-weight: 700; font-size: 15px; flex-shrink: 0; }
.fs-product .arrow { color: var(--fs-text3); flex-shrink: 0; transition: transform .2s; }
.fs-product:hover { box-shadow: var(--fs-shadow-lg); border-color: rgba(51, 112, 255, .3); transform: translateY(-2px); }
.fs-product:hover .arrow { transform: translateX(4px); color: var(--fs-blue); }
.fs-more { text-align: center; margin-top: 34px; }

/* =============== 11 最新动态卡片网格（含遮罩与彩色标签） =============== */
.fs-feed { padding: 78px 0 8px; }
.fs-feed-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fs-feed-card, .fs-news-card {
    display: flex; flex-direction: column; gap: 9px;
    background: #fff; border: 1px solid var(--fs-border-light);
    border-radius: var(--fs-radius-lg); overflow: hidden;
}
.fs-feed-card .cover, .fs-news-card .cover, .fs-case-card .cover { position: relative; display: block; overflow: hidden; }
.fs-feed-card .cover img, .fs-news-card .cover img { width: 100%; aspect-ratio: 16 / 9.4; object-fit: cover; transition: transform .4s ease; }
.fs-feed-card:hover .cover img, .fs-news-card:hover .cover img, .fs-case-card:hover .cover img { transform: scale(1.05); }
.fs-feed-card .mask, .fs-news-card .mask, .fs-case-card .mask {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(51, 112, 255, .55); opacity: 0; transition: opacity .25s ease;
}
.fs-feed-card .mask i, .fs-news-card .mask i, .fs-case-card .mask i {
    width: 52px; height: 52px; border-radius: 50%; background: #fff; color: var(--fs-blue);
    display: inline-flex; align-items: center; justify-content: center; font-size: 19px;
    transform: scale(.7); transition: transform .25s ease;
}
.fs-feed-card:hover .mask, .fs-news-card:hover .mask, .fs-case-card:hover .mask { opacity: 1; }
.fs-feed-card:hover .mask i, .fs-news-card:hover .mask i, .fs-case-card:hover .mask i { transform: scale(1); }
.fs-feed-card .tag, .fs-news-card .tag, .fs-case-card .tag {
    align-self: flex-start; margin-left: 20px; margin-top: 2px;
    background: #fff2d9; color: #ad6800;
    font-size: 12px; font-weight: 600; border-radius: 6px; padding: 3px 10px;
    box-shadow: 0 2px 6px rgba(31, 35, 41, .08);
}
/* 标签 10 色循环（对齐 partnernews 标签配色） */
.fs-feed-card:nth-child(10n+2) .tag, .fs-news-card:nth-child(10n+2) .tag { background: rgba(51, 112, 255, .12); color: #245bdb; }
.fs-feed-card:nth-child(10n+3) .tag, .fs-news-card:nth-child(10n+3) .tag { background: rgba(245, 74, 69, .12); color: #d83931; }
.fs-feed-card:nth-child(10n+4) .tag, .fs-news-card:nth-child(10n+4) .tag { background: rgba(52, 199, 36, .12); color: #2ea121; }
.fs-feed-card:nth-child(10n+5) .tag, .fs-news-card:nth-child(10n+5) .tag { background: rgba(255, 198, 10, .16); color: #ad6800; }
.fs-feed-card:nth-child(10n+6) .tag, .fs-news-card:nth-child(10n+6) .tag { background: rgba(240, 29, 148, .10); color: #c71077; }
.fs-feed-card:nth-child(10n+7) .tag, .fs-news-card:nth-child(10n+7) .tag { background: rgba(255, 136, 0, .12); color: #de7802; }
.fs-feed-card:nth-child(10n+8) .tag, .fs-news-card:nth-child(10n+8) .tag { background: rgba(127, 59, 245, .10); color: #6425d0; }
.fs-feed-card:nth-child(10n+9) .tag, .fs-news-card:nth-child(10n+9) .tag { background: rgba(0, 214, 185, .14); color: #04957d; }
.fs-feed-card:nth-child(10n+10) .tag, .fs-news-card:nth-child(10n+10) .tag { background: rgba(20, 192, 255, .12); color: #049fd7; }
.fs-feed-card b, .fs-news-card b { font-size: 16px; line-height: 1.5; padding: 0 20px; letter-spacing: -.01em; }
.fs-feed-card p, .fs-news-card p { color: var(--fs-text2); font-size: 13px; padding: 0 20px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fs-feed-card .meta, .fs-news-card .meta {
    display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    color: var(--fs-text3); font-size: 12.5px;
    padding: 0 20px 18px; margin-top: auto;
}
.fs-feed-card .meta i, .fs-news-card .meta i { margin-right: 4px; }
.fs-feed-card .meta .orig, .fs-news-card .meta .orig { color: #04957d; font-style: normal; font-weight: 600; }
.fs-feed-card:hover, .fs-news-card:hover { box-shadow: var(--fs-shadow-lg); transform: translateY(-4px); border-color: rgba(51, 112, 255, .25); }
.fs-pin {
    position: absolute; left: 12px; top: 12px; z-index: 2;
    background: rgba(11, 13, 18, .72); color: #fff;
    font-size: 11.5px; font-weight: 600; border-radius: var(--fs-pill); padding: 3px 11px;
}
.fs-pin.hot { background: linear-gradient(135deg, #ff7d4d, #f5455c); }

/* =============== 12 话题墙 =============== */
.fs-topics { padding: 78px 0 26px; }
.fs-topics-wall { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; max-width: 860px; margin: 0 auto; }
.fs-topics-wall a {
    display: inline-flex; align-items: center; gap: 6px;
    background: var(--fs-bg-soft); border: 1px solid transparent;
    color: var(--fs-text2); font-size: 14px;
    border-radius: var(--fs-pill); padding: 9px 20px;
}
.fs-topics-wall a i { color: var(--fs-blue); font-size: 12px; }
.fs-topics-wall a:hover { border-color: var(--fs-blue); color: var(--fs-blue); background: var(--fs-blue-softer); transform: translateY(-2px); }

/* =============== 13 新闻 Banner + 列表页 =============== */
.fs-news-banner { background: linear-gradient(180deg, #f7f9ff, #f2f6ff 62%, #fff); padding: 46px 0 54px; }
.fs-news-banner-inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.fs-news-desc .zb-breadcrumb { margin-bottom: 18px; }
.fs-news-desc h1 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; line-height: 1.3; letter-spacing: -.015em; }
.fs-news-desc p { color: var(--fs-text2); margin: 16px 0 26px; max-width: 460px; }
.fs-news-figure { border-radius: var(--fs-radius-lg); overflow: hidden; box-shadow: var(--fs-shadow-lg); background: #dfe7f5; }
.fs-news-figure img { width: 100%; height: clamp(220px, 24vw, 300px); object-fit: cover; }
.fs-list-title { text-align: center; font-size: clamp(24px, 3vw, 32px); font-weight: 700; letter-spacing: -.01em; }
.fs-news-list { padding: 62px 0 30px; }
.fs-news-list .fs-list-title { margin-bottom: 26px; }

/* 筛选 chips（customers 式） */
.fs-chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 0 0 34px; }
.fs-chip {
    display: inline-flex; align-items: center; gap: 7px;
    background: var(--fs-bg-soft); color: var(--fs-text2);
    border-radius: var(--fs-pill); padding: 8px 20px; font-size: 14px; font-weight: 500;
    border: 1px solid transparent;
}
.fs-chip:hover { color: var(--fs-blue); background: var(--fs-blue-soft); }
.fs-chip.on { background: var(--fs-blue); color: #fff; font-weight: 600; box-shadow: 0 4px 12px rgba(51, 112, 255, .28); }
.fs-news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* 热门横排 */
.fs-hotbar { padding: 40px 0 70px; }
.fs-hotbar .fs-sec-head { margin-bottom: 26px; }
.fs-hotbar-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fs-hotbar-card {
    display: flex; gap: 14px; align-items: flex-start;
    border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius);
    padding: 18px; background: #fff;
}
.fs-hotbar-card .no {
    width: 30px; height: 30px; flex-shrink: 0; border-radius: 9px;
    display: inline-flex; align-items: center; justify-content: center;
    background: var(--fs-blue-soft); color: var(--fs-blue); font-weight: 800; font-size: 14px;
}
.fs-hotbar-card:nth-child(1) .no { background: rgba(245, 74, 69, .12); color: #d83931; }
.fs-hotbar-card:nth-child(2) .no { background: rgba(255, 136, 0, .14); color: #de7802; }
.fs-hotbar-card:nth-child(3) .no { background: rgba(52, 199, 36, .12); color: #2ea121; }
.fs-hotbar-card .bd b { font-size: 14.5px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fs-hotbar-card .bd p { color: var(--fs-text3); font-size: 12.5px; margin-top: 6px; }
.fs-hotbar-card:hover { box-shadow: var(--fs-shadow-lg); transform: translateY(-3px); border-color: rgba(51, 112, 255, .25); }

/* =============== 14 详情页（窄栏居中） =============== */
.fs-detail { padding: 44px 0 80px; }
.fs-detail-crumb { color: var(--fs-text3); font-size: 13.5px; margin-bottom: 30px; }
.zb-breadcrumb a { color: var(--fs-text2); }
.zb-breadcrumb a:hover { color: var(--fs-blue); }
.zb-breadcrumb .cur { color: var(--fs-text3); }
.fs-article { max-width: 800px; margin: 0 auto; }
.fs-detail-title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; line-height: 1.35; letter-spacing: -.015em; }
.fs-detail-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 20px; color: var(--fs-text3); font-size: 13.5px; padding-bottom: 24px; border-bottom: 1px solid var(--fs-border-light); }
.fs-detail-meta .fs-chip { padding: 4px 14px; font-size: 12.5px; }
.fs-detail-meta .orig { color: #04957d; font-weight: 600; }
.fs-article-content { margin-top: 30px; font-size: 15.5px; line-height: 1.9; color: var(--fs-text); }
.fs-article-content p { margin: 0 0 18px; }
.fs-article-content h2, .fs-article-content h3 { font-weight: 700; letter-spacing: -.01em; margin: 34px 0 16px; }
.fs-article-content h2 { font-size: 23px; }
.fs-article-content h3 { font-size: 19px; }
.fs-article-content a { color: var(--fs-blue); }
.fs-article-content a:hover { text-decoration: underline; }
.fs-article-content img { border-radius: var(--fs-radius); margin: 10px auto 22px; box-shadow: var(--fs-shadow); }
.fs-article-content ul { margin: 0 0 18px; padding-left: 6px; }
.fs-article-content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.fs-article-content ul li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 7px; height: 7px; border-radius: 50%; background: var(--fs-blue); }
.fs-article-content ol { margin: 0 0 18px; padding-left: 24px; }
.fs-article-content ol li { margin-bottom: 8px; }
.fs-article-content blockquote {
    margin: 0 0 18px; padding: 14px 20px;
    background: var(--fs-blue-softer); border-left: 4px solid var(--fs-blue);
    border-radius: 0 var(--fs-radius) var(--fs-radius) 0; color: var(--fs-text2);
}
.fs-article-content pre {
    background: #0b0d12; color: #d6e2ff; border-radius: var(--fs-radius);
    padding: 18px 20px; overflow: auto; margin: 0 0 18px; font-size: 13.5px; line-height: 1.7;
}
.fs-article-content code { background: var(--fs-bg-soft); border-radius: 5px; padding: 2px 7px; font-size: .9em; }
.fs-article-content pre code { background: transparent; padding: 0; }
.fs-article-content table { width: 100%; border-collapse: collapse; margin: 0 0 18px; font-size: 14px; }
.fs-article-content th, .fs-article-content td { border: 1px solid var(--fs-border-light); padding: 10px 14px; text-align: left; }
.fs-article-content th { background: var(--fs-bg-soft); }
.fs-article-tags { margin-top: 30px; }
.zb-article-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.zb-article-tags a {
    background: var(--fs-bg-soft); color: var(--fs-text2);
    border-radius: var(--fs-pill); padding: 6px 15px; font-size: 13px;
}
.zb-article-tags a:hover { background: var(--fs-blue-soft); color: var(--fs-blue); }
.fs-article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--fs-border-light); }
.fs-article-nav a {
    flex: 1; min-width: 0; display: inline-flex; align-items: center; gap: 8px;
    background: var(--fs-bg-soft); border-radius: var(--fs-radius);
    padding: 13px 16px; color: var(--fs-text2); font-size: 13.5px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.fs-article-nav a:last-child { justify-content: flex-end; }
.fs-article-nav a:hover { background: var(--fs-blue-soft); color: var(--fs-blue); }

/* =============== 15 评论 =============== */
.fs-comment { max-width: 800px; margin: 46px auto 0; }
.zb-comment-card { background: #fff; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); padding: 30px; }
.zb-comment-title { font-size: 18px; margin-bottom: 22px; }
.zb-comment-title i { color: var(--fs-blue); margin-right: 8px; }
.zb-comment-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--fs-border-light); }
.zb-comment-item .avatar {
    width: 40px; height: 40px; flex-shrink: 0; border-radius: 50%; overflow: hidden;
    background: linear-gradient(135deg, var(--fs-blue), #6a96ff);
    color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700;
}
.zb-comment-item .avatar img { width: 100%; height: 100%; object-fit: cover; }
.zb-comment-item .name { font-weight: 600; font-size: 14px; }
.zb-comment-item .time { color: var(--fs-text3); font-size: 12.5px; margin-left: 10px; }
.zb-comment-item .txt { margin-top: 6px; color: var(--fs-text2); font-size: 14px; }
.zb-comments-empty { color: var(--fs-text3); text-align: center; padding: 18px 0; }
.zb-comment-form { margin-top: 24px; display: grid; gap: 12px; }
.zb-form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.zb-input {
    width: 100%; border: 1px solid var(--fs-border); border-radius: 10px;
    padding: 11px 15px; font-size: 14px; font-family: inherit; color: var(--fs-text);
    outline: 0; background: #fff; transition: .18s;
}
.zb-input:focus { border-color: var(--fs-blue); box-shadow: 0 0 0 3px rgba(51, 112, 255, .12); }
textarea.zb-input { min-height: 110px; resize: vertical; }
.zb-comment-form .fs-btn { justify-self: start; }

/* =============== 16 相关推荐（4 列） =============== */
.fs-related { margin-top: 66px; }
.fs-related .fs-list-title { margin-bottom: 26px; }
.fs-related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.fs-related-grid .fs-news-card b { font-size: 14.5px; padding: 0 16px; }
.fs-related-grid .fs-news-card .tag { margin-left: 16px; }
.fs-related-grid .fs-news-card .meta { padding: 0 16px 16px; }

/* =============== 17 产品案例页（customers 式） =============== */
.fs-cases-hero { padding: 34px 0 10px; }
.fs-cases-banner {
    position: relative; border-radius: 20px; overflow: hidden;
    min-height: 300px; display: flex; align-items: center;
    color: #fff; text-align: center; justify-content: center;
}
.fs-cases-banner .bg {
    position: absolute; inset: 0;
    background:
        radial-gradient(560px 300px at 14% 20%, rgba(80, 131, 251, .55), transparent 68%),
        radial-gradient(620px 320px at 86% 82%, rgba(169, 148, 250, .45), transparent 68%),
        linear-gradient(120deg, #0d1330, #101a3a 52%, #0b1226);
}
.fs-cases-banner .bd { position: relative; padding: 48px 24px; max-width: 720px; }
.fs-cases-banner .tag {
    display: inline-block; background: rgba(255, 255, 255, .16); border: 1px solid rgba(255, 255, 255, .28);
    border-radius: var(--fs-pill); padding: 4px 16px; font-size: 13px; margin-bottom: 16px;
}
.fs-cases-banner h1 { font-size: clamp(28px, 4.4vw, 46px); font-weight: 800; letter-spacing: .06em; }
.fs-cases-banner p { margin: 14px auto 24px; opacity: .85; max-width: 560px; }
.fs-cases { padding: 58px 0 30px; }
.fs-cases .fs-list-title { margin-bottom: 26px; }
.fs-cases-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.fs-case-card {
    display: flex; flex-direction: column; gap: 0;
    background: #fff; border: 1px solid var(--fs-border-light);
    border-radius: var(--fs-radius-lg); overflow: hidden;
}
.fs-case-card .cover img { width: 100%; aspect-ratio: 16 / 9.6; object-fit: cover; transition: transform .4s ease; }
.fs-case-card .bd { display: flex; flex-direction: column; gap: 8px; padding: 16px 16px 18px; flex: 1; }
.fs-case-card .tag { align-self: flex-start; margin: 0; }
.fs-case-card b { font-size: 15px; line-height: 1.5; letter-spacing: -.01em; }
.fs-case-card p { color: var(--fs-text2); font-size: 12.5px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.fs-case-card .meta { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 8px; color: var(--fs-text3); font-size: 12.5px; }
.fs-case-card .price { color: var(--fs-blue); font-weight: 700; font-style: normal; font-size: 14px; }
.fs-case-card:hover { box-shadow: var(--fs-shadow-lg); transform: translateY(-4px); border-color: rgba(51, 112, 255, .25); }

/* 咨询 CTA：左文右卡 */
.fs-consult { padding: 74px 0 90px; }
.fs-consult-inner {
    display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
    background: linear-gradient(135deg, var(--fs-blue-softer), #eef3ff);
    border-radius: 24px; padding: 52px;
}
.fs-consult-copy h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 800; letter-spacing: -.01em; }
.fs-consult-copy p { color: var(--fs-text2); margin-top: 12px; }
.fs-consult-copy ul { margin-top: 18px; display: grid; gap: 10px; }
.fs-consult-copy li { display: flex; align-items: center; gap: 10px; color: var(--fs-text); font-size: 14.5px; }
.fs-consult-copy li i { color: #04957d; }
.fs-consult-card { background: #fff; border-radius: var(--fs-radius-lg); padding: 30px; box-shadow: var(--fs-shadow-lg); display: grid; gap: 12px; justify-items: start; }
.fs-consult-card b { font-size: 18px; }
.fs-consult-card p { color: var(--fs-text2); font-size: 14px; display: flex; align-items: center; gap: 9px; }
.fs-consult-card p i { color: var(--fs-blue); }

/* =============== 18 中性页部件（zb-* 契约类） =============== */
.zb-page-hero {
    background: linear-gradient(180deg, #f7f9ff, #f2f6ff 62%, #fff);
    padding: 62px 0 56px; text-align: center;
}
.zb-page-hero--slim { padding: 44px 0 0; background: transparent; text-align: left; }
.zb-page-hero .kicker { display: inline-block; color: var(--fs-blue); font-weight: 700; letter-spacing: .14em; font-size: 13px; text-transform: uppercase; }
.zb-page-hero h1 { font-size: clamp(26px, 3.6vw, 40px); font-weight: 800; letter-spacing: -.015em; margin-top: 12px; }
.zb-page-hero p { color: var(--fs-text2); margin-top: 12px; }
.zb-breadcrumb { color: var(--fs-text3); font-size: 13.5px; }
.zb-breadcrumb .cur { color: var(--fs-text); }
.zb-page-body { padding: 54px 0 90px; }
.zb-grid-2 { display: grid; grid-template-columns: 1fr 320px; gap: 40px; align-items: start; }
.zb-main-col { min-width: 0; }
.zb-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* 通用卡片（中性页） */
.zb-card {
    background: #fff; border: 1px solid var(--fs-border-light);
    border-radius: var(--fs-radius-lg); overflow: hidden; display: flex; flex-direction: column;
}
.zb-card-cover { position: relative; overflow: hidden; }
.zb-card-cover img { width: 100%; aspect-ratio: 16 / 9.4; object-fit: cover; transition: transform .4s ease; }
.zb-card:hover .zb-card-cover img { transform: scale(1.05); }
.zb-card-body { display: flex; flex-direction: column; gap: 9px; padding: 20px; flex: 1; }
.zb-card-meta { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; color: var(--fs-text3); font-size: 12.5px; }
.zb-card-meta .cat { color: var(--fs-blue); background: var(--fs-blue-soft); border-radius: var(--fs-pill); padding: 2px 12px; font-weight: 600; font-size: 12px; }
.zb-card-meta .orig { color: #04957d; font-weight: 600; }
.zb-card-body h3 { font-size: 17px; line-height: 1.5; letter-spacing: -.01em; }
.zb-card-body .desc { color: var(--fs-text2); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.zb-card-foot { display: flex; align-items: center; gap: 14px; margin-top: auto; padding-top: 8px; color: var(--fs-text3); font-size: 12.5px; }
.zb-card-more { margin-left: auto; color: var(--fs-blue); font-weight: 600; }
.zb-card--row { flex-direction: row; }
.zb-card--row .zb-card-cover { flex: 0 0 264px; }
.zb-card--row .zb-card-cover img { height: 100%; aspect-ratio: auto; min-height: 168px; }
.zb-card--mini .zb-card-body h3 { font-size: 15px; }
.zb-tag-top, .zb-tag-hot {
    position: absolute; left: 12px; top: 12px; z-index: 2;
    color: #fff; font-size: 11.5px; font-weight: 600;
    border-radius: var(--fs-pill); padding: 3px 11px;
}
.zb-tag-top { background: rgba(11, 13, 18, .72); }
.zb-tag-hot { background: linear-gradient(135deg, #ff7d4d, #f5455c); }
.zb-price { color: var(--fs-blue); font-weight: 700; font-size: 15px; }
.zb-latest-list { display: grid; gap: 18px; }

/* 场景格 & 侧栏 & 标签云 */
.zb-scene-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 40px; }
.zb-scene {
    display: grid; justify-items: center; gap: 6px; text-align: center;
    background: var(--fs-bg-soft); border: 1px solid transparent;
    border-radius: var(--fs-radius); padding: 22px 12px;
}
.zb-scene i { font-size: 20px; color: var(--fs-blue); }
.zb-scene h4 { font-size: 14.5px; }
.zb-scene p { color: var(--fs-text3); font-size: 12px; }
.zb-scene:hover { background: var(--fs-blue-soft); transform: translateY(-3px); }
.zb-scene.active { background: var(--fs-blue); color: #fff; }
.zb-scene.active i, .zb-scene.active p { color: #fff; }
.zb-sidebar { display: grid; gap: 18px; }
.zb-side-card { background: #fff; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); padding: 22px; }
.zb-side-card h4 { font-size: 15.5px; margin-bottom: 14px; }
.zb-side-card h4 i { color: var(--fs-blue); margin-right: 7px; }
.zb-side-card--grad { background: linear-gradient(150deg, var(--fs-blue), #245bdb); color: #fff; border: 0; }
.zb-side-card--grad p { opacity: .9; font-size: 13.5px; margin-bottom: 14px; }
.zb-side-card--grad .zb-btn { background: #fff; color: var(--fs-blue-dark); border-radius: var(--fs-pill); padding: 8px 18px; font-weight: 600; font-size: 13.5px; display: inline-block; }
.zb-hot-item { display: flex; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px dashed var(--fs-border-light); font-size: 13.5px; }
.zb-hot-item:last-child { border-bottom: 0; }
.zb-hot-item .no { width: 24px; height: 24px; flex-shrink: 0; border-radius: 7px; background: var(--fs-blue-soft); color: var(--fs-blue); display: inline-flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; }
.zb-hot-item a { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.zb-hot-item a:hover { color: var(--fs-blue); }
.zb-hot-item .cnt { color: var(--fs-text3); font-size: 12px; flex-shrink: 0; }
.zb-tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.zb-tag-cloud a { background: var(--fs-bg-soft); border-radius: var(--fs-pill); padding: 6px 15px; font-size: 13px; color: var(--fs-text2); }
.zb-tag-cloud a:hover, .zb-tag-cloud a.active { background: var(--fs-blue); color: #fff; }

/* 文章卡（中性页 detail 顶部结构兼容） */
.zb-article-card { background: #fff; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); padding: 34px; }
.zb-article-head h1 { font-size: clamp(24px, 3vw, 32px); font-weight: 800; line-height: 1.4; letter-spacing: -.01em; }
.zb-article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; margin-top: 16px; color: var(--fs-text3); font-size: 13px; padding-bottom: 20px; border-bottom: 1px solid var(--fs-border-light); }
.zb-article-meta .cat { color: var(--fs-blue); background: var(--fs-blue-soft); border-radius: var(--fs-pill); padding: 2px 12px; font-weight: 600; font-size: 12px; }
.zb-article-meta .orig { color: #04957d; font-weight: 600; }
.zb-article-content { margin-top: 26px; font-size: 15.5px; line-height: 1.9; }
.zb-article-content p { margin-bottom: 18px; }
.zb-article-content h2, .zb-article-content h3 { font-weight: 700; margin: 32px 0 16px; }
.zb-article-content h2 { font-size: 22px; }
.zb-article-content h3 { font-size: 18px; }
.zb-article-content a { color: var(--fs-blue); }
.zb-article-content img { border-radius: var(--fs-radius); margin: 10px auto 20px; box-shadow: var(--fs-shadow); }
.zb-article-content ul { margin-bottom: 18px; padding-left: 6px; }
.zb-article-content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.zb-article-content ul li::before { content: ""; position: absolute; left: 2px; top: .72em; width: 7px; height: 7px; border-radius: 50%; background: var(--fs-blue); }
.zb-article-content ol { margin-bottom: 18px; padding-left: 24px; }
.zb-article-content blockquote { margin: 0 0 18px; padding: 14px 20px; background: var(--fs-blue-softer); border-left: 4px solid var(--fs-blue); border-radius: 0 var(--fs-radius) var(--fs-radius) 0; color: var(--fs-text2); }
.zb-article-content pre { background: #0b0d12; color: #d6e2ff; border-radius: var(--fs-radius); padding: 18px 20px; overflow: auto; margin-bottom: 18px; font-size: 13.5px; }
.zb-article-content code { background: var(--fs-bg-soft); border-radius: 5px; padding: 2px 7px; font-size: .9em; }
.zb-article-content pre code { background: transparent; padding: 0; }
.zb-article-content table { width: 100%; border-collapse: collapse; margin-bottom: 18px; font-size: 14px; }
.zb-article-content th, .zb-article-content td { border: 1px solid var(--fs-border-light); padding: 10px 14px; text-align: left; }
.zb-article-content th { background: var(--fs-bg-soft); }
.zb-article-nav { display: flex; justify-content: space-between; gap: 16px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--fs-border-light); }
.zb-article-nav a { color: var(--fs-text2); font-size: 13.5px; display: inline-flex; gap: 8px; align-items: center; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.zb-article-nav a:hover { color: var(--fs-blue); }

/* CTA band（中性页） */
.zb-cta-band {
    display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
    background: linear-gradient(120deg, var(--fs-blue), #245bdb);
    border-radius: 24px; padding: 44px 48px; color: #fff;
    box-shadow: 0 16px 40px rgba(51, 112, 255, .3);
}
.zb-cta-copy h2 { font-size: clamp(21px, 2.6vw, 28px); font-weight: 800; }
.zb-cta-copy p { opacity: .88; margin-top: 8px; }
.zb-btn--white { background: #fff; color: var(--fs-blue-dark); border-radius: var(--fs-pill); padding: 12px 26px; font-weight: 700; display: inline-flex; gap: 8px; align-items: center; }
.zb-btn--white:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(9, 30, 66, .3); }
.zb-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--fs-blue); color: #fff; border-radius: var(--fs-pill); padding: 10px 22px; font-weight: 600; font-size: 14.5px; }
.zb-btn:hover { background: var(--fs-blue-dark); }
.zb-btn-primary { background: var(--fs-blue); color: #fff; border-radius: var(--fs-pill); padding: 11px 24px; font-weight: 600; border: 0; display: inline-flex; gap: 8px; align-items: center; }
.zb-btn-primary:hover { background: var(--fs-blue-dark); }
.zb-btn-ghost { background: #fff; color: var(--fs-text); border: 1px solid var(--fs-border); border-radius: var(--fs-pill); padding: 11px 24px; font-weight: 600; }
.zb-btn-ghost:hover { border-color: var(--fs-blue); color: var(--fs-blue); }

/* 产品标签（中性页产品卡） */
.zb-product-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.zb-product-tags span { background: var(--fs-bg-soft); color: var(--fs-text2); border-radius: 6px; padding: 2px 10px; font-size: 12px; }

/* 搜索页大搜索框（search 页） */
.zb-page-hero form, .zb-search-page-form { display: flex; gap: 10px; max-width: 560px; margin: 22px auto 0; }

/* =============== 19 CTA 横幅 & 页脚 =============== */
.fs-cta { padding: 40px 0 84px; }
.fs-cta-inner {
    text-align: center; color: #fff;
    background:
        radial-gradient(520px 280px at 12% 20%, rgba(255, 255, 255, .16), transparent 60%),
        radial-gradient(560px 300px at 88% 84%, rgba(169, 148, 250, .35), transparent 62%),
        linear-gradient(120deg, #245bdb, #3370ff 55%, #5083fb);
    border-radius: 24px; padding: 64px 32px;
    box-shadow: 0 18px 48px rgba(51, 112, 255, .32);
}
.fs-cta-inner h2 { font-size: clamp(26px, 4vw, 40px); font-weight: 800; letter-spacing: .02em; }
.fs-cta-inner p { margin: 14px auto 30px; opacity: .9; max-width: 560px; }
.fs-cta-actions { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.fs-cta .fs-btn-outline { background: transparent; color: #fff; border-color: rgba(255, 255, 255, .55); }
.fs-cta .fs-btn-outline:hover { background: rgba(255, 255, 255, .14); border-color: #fff; color: #fff; }

.fs-footer { background: var(--fs-bg-soft); border-top: 1px solid var(--fs-border-light); padding: 58px 0 0; margin-top: 0; }
.zb-footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr 1.2fr; gap: 34px; padding-bottom: 40px; }
.zb-footer-grid h4 { font-size: 14.5px; margin-bottom: 14px; }
.zb-footer-grid h4 i { color: var(--fs-blue); margin-right: 7px; }
.zb-footer-grid a, .zb-footer-grid p { display: block; color: var(--fs-text2); font-size: 13.5px; padding: 4px 0; }
.zb-footer-grid > div > p { display: flex; align-items: center; gap: 8px; }
.zb-footer-grid a:hover { color: var(--fs-blue); }
.zb-footer-grid a.fs-btn, .zb-footer-grid a.fs-btn:hover { display: inline-flex; align-items: center; justify-content: center; margin-top: 12px; padding: 7px 18px; font-size: 13px; color: #fff; }
.fs-footer-stats { display: flex; gap: 22px; margin-top: 16px; }
.fs-footer-stats b { display: block; font-size: 19px; font-weight: 800; }
.fs-footer-stats span { color: var(--fs-text3); font-size: 12px; }
.zb-spider-recent { border-top: 1px solid var(--fs-border); padding: 20px 0; }
.zb-spider-recent h4 { font-size: 14px; margin-bottom: 10px; }
.zb-spider-recent h4 i { color: var(--fs-blue); margin-right: 7px; }
.zb-spider-list li { display: flex; align-items: center; gap: 12px; padding: 5px 0; font-size: 12.5px; color: var(--fs-text3); }
.zb-spider-tag { background: var(--fs-blue-soft); color: var(--fs-blue); border-radius: 5px; padding: 1px 9px; font-weight: 600; flex-shrink: 0; }
.zb-spider-title { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--fs-text2); }
.zb-footer-bottom { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; border-top: 1px solid var(--fs-border); padding: 18px 0 22px; color: var(--fs-text3); font-size: 12.5px; }
.zb-footer-bottom a { color: var(--fs-text3); }
.zb-footer-bottom a:hover { color: var(--fs-blue); }

/* =============== 20 回到顶部 & 动效 =============== */
.zb-backtop {
    position: fixed; right: 26px; bottom: 30px; z-index: 110;
    width: 44px; height: 44px; border-radius: 50%;
    border: 0; background: #fff; color: var(--fs-blue);
    box-shadow: var(--fs-shadow-lg); font-size: 16px;
    opacity: 0; pointer-events: none; transform: translateY(14px);
    transition: .25s ease;
}
.zb-backtop.show { opacity: 1; pointer-events: auto; transform: none; }
.zb-backtop:hover { background: var(--fs-blue); color: #fff; }
body.zb-js .zb-reveal { opacity: 0; transform: translateY(26px); transition: opacity .6s ease, transform .6s ease; }
body.zb-js .zb-reveal.in { opacity: 1; transform: none; }
img.zb-img-err { background: var(--fs-bg-soft); min-height: 120px; }

/* =============== 21 响应式 =============== */
@media (max-width: 1080px) {
    .fs-brands-wall { grid-template-columns: repeat(4, 1fr); }
    .fs-cases-grid, .fs-related-grid { grid-template-columns: repeat(3, 1fr); }
    .zb-footer-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 905px) {
    .fs-header-actions { display: none; }
    .zb-burger { display: inline-flex; align-items: center; justify-content: center; margin-left: auto; }
    .fs-nav {
        display: none; position: absolute; top: 64px; left: 0; right: 0;
        background: #fff; border-bottom: 1px solid var(--fs-border-light);
        box-shadow: var(--fs-shadow-lg); flex-direction: column; align-items: stretch;
        padding: 14px 4%; gap: 4px;
    }
    .fs-nav.open { display: flex; }
    .fs-nav > a { padding: 12px 14px; border-radius: 10px; }
    .fs-search { margin: 8px 0 4px; }
    .fs-search input { width: 100%; flex: 1; }
    .fs-hero { padding-top: 52px; }
    .fs-shot-body { grid-template-columns: 1fr; }
    .fs-shot-side { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--fs-border-light); }
    .fs-shot-side span { white-space: nowrap; }
    .fs-shot-msg { border-left: 0; border-top: 1px solid var(--fs-border-light); }
    .fs-news-banner-inner { grid-template-columns: 1fr; gap: 28px; }
    .fs-news-grid, .fs-feed-grid, .fs-practice-grid, .fs-hotbar-row { grid-template-columns: repeat(2, 1fr); }
    .fs-icons-inner { grid-template-columns: repeat(2, 1fr); }
    .fs-subnav { top: 64px; }
    .fs-subnav-inner { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
    .zb-grid-2 { grid-template-columns: 1fr; }
    .zb-grid-3 { grid-template-columns: repeat(2, 1fr); }
    .zb-scene-grid { grid-template-columns: repeat(3, 1fr); }
    .fs-consult-inner { grid-template-columns: 1fr; padding: 34px 24px; }
    .fs-cases-grid { grid-template-columns: repeat(2, 1fr); }
    .fs-related-grid { grid-template-columns: repeat(2, 1fr); }
    .zb-footer-grid { grid-template-columns: repeat(2, 1fr); }
    .zb-card--row { flex-direction: column; }
    .zb-card--row .zb-card-cover { flex: none; }
}
@media (max-width: 600px) {
    .zb-container { width: 94%; }
    .fs-hero-stats { gap: 22px; }
    .fs-hero-title br { display: none; }
    .fs-news-grid, .fs-feed-grid, .fs-practice-grid, .fs-hotbar-row,
    .fs-cases-grid, .fs-related-grid, .zb-grid-3, .fs-icons-inner { grid-template-columns: 1fr; }
    .zb-scene-grid { grid-template-columns: repeat(2, 1fr); }
    .fs-brands-wall { grid-template-columns: repeat(2, 1fr); }
    .zb-form-row { grid-template-columns: 1fr; }
    .zb-footer-grid { grid-template-columns: 1fr; gap: 22px; }
    .zb-cta-band { padding: 32px 24px; }
    .fs-cta-inner { padding: 44px 20px; }
    .zb-article-card { padding: 22px; }
    .zb-comment-card { padding: 20px; }
    .zb-backtop { right: 16px; bottom: 18px; }
    .zb-article-nav { flex-direction: column; }
    .zb-article-nav a:last-child { justify-content: flex-start; }
}

/* =============== 23 关于我（飞书式浅蓝渐变） =============== */
.zb-narrow { max-width: 820px; margin: 0 auto; }
.fs-sec-head .kicker { display: inline-block; color: var(--fs-blue); font-weight: 700; letter-spacing: .14em; font-size: 13px; text-transform: uppercase; margin-bottom: 8px; }
.fs-about-sec { padding: 64px 0; }
.fs-about-sec--soft { background: var(--fs-blue-softer); }
.fs-about-hero { background: linear-gradient(135deg, #eef3ff 0%, #f7f9ff 55%, #eef7ff 100%); overflow: hidden; }
.fs-about-hero-inner { display: grid; grid-template-columns: 1.2fr .8fr; gap: 40px; align-items: center; padding: 72px 0 84px; }
.fs-about-intro .zb-breadcrumb { margin-bottom: 20px; }
.fs-about-kicker { display: inline-block; color: var(--fs-blue); font-weight: 700; letter-spacing: .16em; font-size: 13px; margin-bottom: 10px; }
.fs-about-intro h1 { font-size: clamp(28px, 4vw, 44px); font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
.fs-about-intro .slogan { color: var(--fs-text2); font-size: 16px; margin-top: 14px; max-width: 520px; }
.fs-about-actions { display: flex; gap: 12px; margin-top: 26px; flex-wrap: wrap; }
.fs-about-figure { position: relative; display: flex; justify-content: center; }
.fs-about-avatar { width: 230px; height: 230px; border-radius: 50%; background: #fff; box-shadow: var(--fs-shadow-lg); display: flex; align-items: center; justify-content: center; overflow: hidden; border: 6px solid #fff; position: relative; z-index: 2; }
.fs-about-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.fs-about-avatar .fallback { font-size: 76px; font-weight: 700; color: var(--fs-blue); }
.fs-about-figure .dot { position: absolute; border-radius: 50%; z-index: 1; }
.fs-about-figure .d1 { width: 320px; height: 320px; border: 1.5px dashed rgba(51, 112, 255, .35); animation: fs-spin 26s linear infinite; }
.fs-about-figure .d2 { width: 56px; height: 56px; background: rgba(51, 112, 255, .14); top: 6%; left: 8%; }
.fs-about-figure .d3 { width: 34px; height: 34px; background: rgba(18, 184, 165, .2); bottom: 8%; right: 6%; }
.fs-about-stats { margin-top: -44px; position: relative; z-index: 3; padding-bottom: 10px; }
.fs-about-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.fs-about-stats .stat { background: #fff; border-radius: var(--fs-radius-lg); box-shadow: var(--fs-shadow); border: 1px solid var(--fs-border-light); padding: 24px 18px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 2px; }
.fs-about-stats .stat i { font-size: 18px; color: var(--fs-blue); background: var(--fs-blue-soft); width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 8px; }
.fs-about-stats .stat b { font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.fs-about-stats .stat span { color: var(--fs-text3); font-size: 13px; }
.fs-about-bio { background: #fff; border-radius: var(--fs-radius-lg); border: 1px solid var(--fs-border-light); box-shadow: var(--fs-shadow); padding: 30px 32px; color: var(--fs-text2); line-height: 1.9; }
.fs-about-bio img { border-radius: var(--fs-radius); margin: 12px auto; }
.fs-about-bio p { margin: 10px 0; }
.fs-about-skills { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.fs-about-skills .fs-chip { cursor: default; }
.fs-about-skills .fs-chip i { color: #12b8a5; }
.fs-about-timeline { position: relative; max-width: 820px; margin: 0 auto; padding-left: 6px; }
.fs-about-timeline .item { position: relative; display: flex; gap: 18px; align-items: flex-start; padding-bottom: 26px; }
.fs-about-timeline .item:last-child { padding-bottom: 0; }
.fs-about-timeline .item::before { content: ""; position: absolute; left: 17px; top: 40px; bottom: 0; width: 2px; background: var(--fs-border-light); }
.fs-about-timeline .item:last-child::before { display: none; }
.fs-about-timeline .node { flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--fs-blue-soft); color: var(--fs-blue); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 14px; z-index: 1; }
.fs-about-timeline .bd { flex: 1; background: #fff; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius); box-shadow: var(--fs-shadow); padding: 16px 20px; }
.fs-about-timeline .bd p { color: var(--fs-text2); }
.fs-about-contact { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; max-width: 900px; margin: 0 auto; }
.fs-about-contact .card { background: #fff; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); box-shadow: var(--fs-shadow); padding: 26px 22px; text-align: center; transition: transform .2s ease, box-shadow .2s ease; }
.fs-about-contact .card:hover { transform: translateY(-3px); box-shadow: var(--fs-shadow-lg); }
.fs-about-contact .ico { width: 46px; height: 46px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin: 0 auto 12px; }
.fs-about-contact .ico.wx { background: #e8f7f0; color: #0fa56f; }
.fs-about-contact .ico.mail { background: var(--fs-blue-soft); color: var(--fs-blue); }
.fs-about-contact .ico.gh { background: #f2f3f5; color: var(--fs-text); }
.fs-about-contact b { display: block; font-size: 15px; margin-bottom: 6px; }
.fs-about-contact p { color: var(--fs-text2); font-size: 14px; word-break: break-all; }
.fs-about-contact p a { color: var(--fs-blue); font-weight: 600; }
.fs-about-mp { text-align: center; margin-top: 34px; }
.fs-about-mp img { width: 150px; height: 150px; margin: 0 auto 10px; border-radius: var(--fs-radius); border: 1px solid var(--fs-border-light); box-shadow: var(--fs-shadow); background: #fff; padding: 8px; }
.fs-about-mp p { color: var(--fs-text3); font-size: 13.5px; }
@keyframes fs-spin { to { transform: rotate(360deg); } }

/* =============== 24 站内搜索（飞书式居中大搜索框） =============== */
.fs-search-hero { background: linear-gradient(180deg, #eef3ff 0%, #ffffff 100%); padding: 58px 0 46px; text-align: center; }
.fs-search-hero .zb-breadcrumb { margin-bottom: 22px; }
.fs-search-hero .kicker { display: inline-block; color: var(--fs-blue); font-weight: 700; letter-spacing: .16em; font-size: 13px; margin-bottom: 10px; }
.fs-search-hero h1 { font-size: clamp(24px, 3.6vw, 38px); font-weight: 700; letter-spacing: -.01em; max-width: 720px; margin: 0 auto; }
.fs-search-form { display: flex; align-items: center; gap: 10px; max-width: 640px; margin: 28px auto 0; background: #fff; border: 1.5px solid var(--fs-border); border-radius: var(--fs-pill); padding: 8px 10px 8px 20px; box-shadow: var(--fs-shadow); transition: border-color .18s ease, box-shadow .18s ease; }
.fs-search-form:focus-within { border-color: var(--fs-blue); box-shadow: 0 0 0 3px rgba(51, 112, 255, .12); }
.fs-search-form > i { color: var(--fs-text3); }
.fs-search-form input { flex: 1; border: 0; outline: 0; background: transparent; font: inherit; font-size: 15px; color: var(--fs-text); min-width: 0; }
.fs-search-form input::placeholder { color: var(--fs-text3); }
.fs-search-hint { margin-top: 16px; color: var(--fs-text3); font-size: 13.5px; }
.fs-search-hint i { color: var(--fs-blue); margin-right: 4px; }
.fs-search-body { padding: 48px 0 64px; }
@media (max-width: 900px) {
    .fs-about-hero-inner { grid-template-columns: 1fr; text-align: center; padding: 52px 0 70px; }
    .fs-about-intro .zb-breadcrumb { text-align: left; }
    .fs-about-intro .slogan { margin-left: auto; margin-right: auto; }
    .fs-about-actions { justify-content: center; }
    .fs-about-figure { margin-top: 6px; }
    .fs-about-stats-grid { grid-template-columns: repeat(2, 1fr); }
    .fs-about-contact { grid-template-columns: 1fr; max-width: 460px; }
    .fs-about-hero .d2 { left: 4%; }
}

/* =============== 25 产品详情页（飞书产品页式：通栏渐变 Hero + 卡网格 + 窄栏正文） =============== */
/* Hero：通栏浅蓝渐变带，左文右图，自然过渡到白底 */
.fs-pd-banner { background: linear-gradient(180deg, #edf2ff 0%, #f7f9ff 58%, #ffffff 100%); padding: 32px 0 68px; }
.fs-pd-crumb { margin-bottom: 28px; }
.fs-pd-banner-inner { display: grid; grid-template-columns: 1.08fr .92fr; gap: 56px; align-items: center; }

.fs-pd-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 18px; }
.fs-pd-tags:empty { display: none; }
.fs-pd-tags .fs-chip { padding: 6px 16px; font-size: 13px; background: #fff; border-color: rgba(51, 112, 255, .18); color: var(--fs-blue); box-shadow: none; }
.fs-pd-tags .fs-chip:hover { background: var(--fs-blue-soft); }
.fs-pd-tags .fs-chip.on { background: var(--fs-blue); border-color: var(--fs-blue); color: #fff; }

.fs-pd-banner h1 { font-size: clamp(28px, 3.6vw, 41px); font-weight: 700; line-height: 1.26; letter-spacing: -.02em; }
.fs-pd-lede { color: var(--fs-text2); font-size: 16.5px; line-height: 1.78; margin-top: 18px; max-width: 540px; }
.fs-pd-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

.fs-pd-facts { display: flex; flex-wrap: wrap; gap: 18px 44px; margin-top: 36px; padding-top: 26px; border-top: 1px solid rgba(51, 112, 255, .16); }
.fs-pd-facts li { display: flex; flex-direction: column; gap: 3px; }
.fs-pd-facts span { color: var(--fs-text3); font-size: 12.5px; letter-spacing: .05em; }
.fs-pd-facts b { font-size: 18px; font-weight: 700; line-height: 1.4; letter-spacing: -.01em; }
.fs-pd-facts b.price { color: var(--fs-blue); }

.fs-pd-banner-figure {
    border-radius: 20px; overflow: hidden; background: #fff;
    border: 1px solid rgba(255, 255, 255, .9);
    box-shadow: 0 20px 48px -14px rgba(31, 35, 41, .24), 0 3px 10px rgba(31, 35, 41, .05);
}
.fs-pd-banner-figure img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

/* 通用节（白 / 浅灰底交替，统一竖向节奏） */
.fs-pd-band { padding: 76px 0; }
.fs-pd-band--soft { background: var(--fs-bg-soft); }
.fs-pd-band .fs-sec-head { margin-bottom: 42px; }

/* 适用场景：居中窄栏正文 */
.fs-pd-scene { max-width: 860px; margin: 0 auto; }
.fs-pd-scene p { color: var(--fs-text2); font-size: 17px; line-height: 1.95; text-align: center; }

/* 核心功能：3 列卡片网格 */
.fs-pd-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.fs-pd-card {
    background: #fff; border: 1px solid var(--fs-border-light);
    border-radius: var(--fs-radius-lg); padding: 26px 26px 28px;
    transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.fs-pd-card:hover { transform: translateY(-3px); box-shadow: var(--fs-shadow-lg); border-color: rgba(51, 112, 255, .24); }
.fs-pd-card .ico {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 11px; margin-bottom: 16px;
    background: var(--fs-blue-soft); color: var(--fs-blue); font-size: 16px;
}
.fs-pd-card p { color: var(--fs-text); font-size: 15px; line-height: 1.75; }

/* 产品详情：窄栏居中，排版层级统一 */
.fs-pd-body { max-width: 860px; margin: 0 auto; }
.fs-pd-body .fs-article-content { margin-top: 0; font-size: 16px; line-height: 1.95; color: var(--fs-text2); }
.fs-pd-body .fs-article-content h2 { font-size: 24px; color: var(--fs-text); margin: 42px 0 16px; }
.fs-pd-body .fs-article-content h3 { font-size: 19px; color: var(--fs-text); margin: 32px 0 14px; }
.fs-pd-body .fs-article-content p { margin: 0 0 20px; }
.fs-pd-body .fs-article-content strong { color: var(--fs-text); }

/* 相关推荐 */
.fs-pd-rel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }

@media (max-width: 1024px) {
    .fs-pd-banner-inner { grid-template-columns: 1fr; gap: 38px; }
    .fs-pd-banner { padding: 26px 0 56px; }
    .fs-pd-lede { max-width: none; }
    .fs-pd-grid, .fs-pd-rel-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
    .fs-pd-banner { padding: 20px 0 48px; }
    .fs-pd-banner h1 { font-size: 26px; }
    .fs-pd-lede { font-size: 15.5px; margin-top: 14px; }
    .fs-pd-actions .fs-btn { width: 100%; }
    .fs-pd-facts { gap: 16px 30px; margin-top: 28px; padding-top: 22px; }
    .fs-pd-facts b { font-size: 16px; }
    .fs-pd-band { padding: 56px 0; }
    .fs-pd-band .fs-sec-head { margin-bottom: 30px; }
    .fs-pd-scene p { font-size: 15.5px; }
    .fs-pd-grid, .fs-pd-rel-grid { grid-template-columns: 1fr; }
    .fs-pd-card { padding: 22px 22px 24px; }
    .fs-pd-body .fs-article-content { font-size: 15.5px; }
    .fs-pd-body .fs-article-content h2 { font-size: 21px; margin-top: 34px; }
}

/* =============== 26 更新日志（产品详情·时间线块区） =============== */
.fs-changelog { max-width: 860px; margin: 0 auto; }
.fs-cl-timeline { position: relative; padding-left: 46px; margin-top: 34px; }
.fs-cl-timeline::before { content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 2px; background: linear-gradient(180deg, #c9d6f5 0%, #e4ebfa 100%); border-radius: 1px; }
.fs-cl-item { position: relative; padding-bottom: 20px; }
.fs-cl-item:last-child { padding-bottom: 0; }
.fs-cl-dot { position: absolute; left: -38px; top: 30px; width: 16px; height: 16px; border-radius: 50%; background: #fff; border: 3px solid #b9c8ee; box-sizing: border-box; }
.fs-cl-item:first-child .fs-cl-dot { border-color: #3370ff; background: #3370ff; box-shadow: 0 0 0 4px rgba(51, 112, 255, .16); }
.fs-cl-card { background: #fff; border: 1px solid var(--fs-border-light); border-radius: var(--fs-radius-lg); box-shadow: var(--fs-shadow); padding: 22px 26px 20px; transition: box-shadow .2s ease, transform .2s ease; }
.fs-cl-card:hover { box-shadow: var(--fs-shadow-lg); transform: translateY(-2px); }
.fs-cl-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.fs-cl-head h3 { font-size: 20px; font-weight: 700; letter-spacing: -.01em; margin: 0; }
.fs-cl-latest { display: inline-flex; align-items: center; height: 22px; padding: 0 10px; border-radius: 999px; background: linear-gradient(135deg, #6d5ef2, #3370ff); color: #fff; font-size: 12px; font-weight: 600; }
.fs-cl-sub { color: var(--fs-text3); font-size: 13px; }
.fs-cl-head time { margin-left: auto; color: var(--fs-text3); font-size: 13px; }
.fs-cl-list { list-style: none; margin: 14px 0 0; padding: 0; }
.fs-cl-list li { display: flex; align-items: flex-start; gap: 10px; padding: 5px 0; }
.fs-cl-tag { flex: none; display: inline-flex; align-items: center; justify-content: center; min-width: 44px; height: 22px; padding: 0 8px; border-radius: 6px; font-size: 12px; font-weight: 600; margin-top: 1px; }
.fs-cl-tag.add { background: #e8f7ee; color: #0fa56f; }
.fs-cl-tag.opt { background: #e8f1ff; color: #3370ff; }
.fs-cl-tag.fix { background: #fff4e5; color: #e6820c; }
.fs-cl-tag.other { background: #f2f3f5; color: #646a73; }
.fs-cl-list p { margin: 0; color: var(--fs-text2); font-size: 14.5px; line-height: 1.7; }
@media (max-width: 760px) {
    .fs-cl-timeline { padding-left: 32px; }
    .fs-cl-timeline::before { left: 9px; }
    .fs-cl-dot { left: -32px; }
    .fs-cl-card { padding: 16px 18px; }
    .fs-cl-head time { width: 100%; margin-left: 0; }
}