/* ============================================================
   觉渡官网 · 主样式
   设计语言：白底红点缀 / 扁平化 / 编辑排版 / 竖向导航rail
   ============================================================ */
:root {
  --red: #C8161D;
  --red-dark: #9E0F14;
  --red-light: #FFF3F3;
  --ink: #1A1A1A;
  --gray: #6E6E6E;
  --gray-light: #9A9A9A;
  --line: #E8E8E8;
  --bg: #FFFFFF;
  --bg-soft: #FAFAF8;
  --rail-w: 96px;
  --maxw: 1400px;
  /* 沉浸板块专用：宽度随视口撑开，下限=正文宽度（避免比正文窄），上限封顶 1760px */
  --maxw-wide: clamp(1400px, 92vw, 1760px);
  --font: "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", "Noto Sans SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
::selection { background: var(--red); color: #fff; }

/* ---------------- 左侧竖向导航 rail ---------------- */
.shell { display: flex; min-height: 100vh; }
.rail {
  position: fixed; left: 0; top: 0; bottom: 0; width: var(--rail-w);
  background: #fff; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: center;
  padding: 22px 0; z-index: 100;
}
.rail-logo { display: block; width: 52px; height: 52px; margin-bottom: 6px; }
.rail-logo img { width: 100%; height: 100%; object-fit: contain; }
.rail-name {
  font-size: 15px; font-weight: 800; letter-spacing: 4px; margin-bottom: 26px;
}
.rail-nav { flex: 1; display: flex; flex-direction: column; gap: 2px; width: 100%; align-items: center; }
.rail-nav a {
  writing-mode: vertical-rl; letter-spacing: 6px;
  font-size: 14px; color: var(--gray); padding: 9px 0;
  position: relative; transition: color .2s;
}
.rail-nav a:hover { color: var(--red); }
.rail-nav a.active { color: var(--red); font-weight: 700; }
.rail-nav a.active::before {
  content: ""; position: absolute; left: 50%; top: -6px; transform: translateX(-50%);
  width: 5px; height: 5px; background: var(--red); border-radius: 50%;
}
.rail-foot { writing-mode: vertical-rl; font-size: 11px; color: var(--gray-light); letter-spacing: 3px; }
.rail-admin {
  margin-top: 14px; font-size: 11px; color: var(--gray-light); letter-spacing: 1px;
  border: 1px solid var(--line); border-radius: 20px; padding: 3px 10px; transition: .2s;
}
.rail-admin:hover { color: var(--red); border-color: var(--red); }

/* 移动端顶栏 */
.m-top {
  display: none; position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  height: 58px; align-items: center; justify-content: space-between; padding: 0 18px;
}
.m-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 3px; }
.m-logo img { width: 34px; height: 34px; }
.m-burger { width: 26px; height: 20px; position: relative; cursor: pointer; }
.m-burger span { position: absolute; left: 0; width: 100%; height: 2px; background: var(--ink); transition: .25s; }
.m-burger span:nth-child(1) { top: 0; } .m-burger span:nth-child(2) { top: 9px; } .m-burger span:nth-child(3) { top: 18px; }
.m-menu {
  position: fixed; inset: 58px 0 0 0; background: #fff; z-index: 99;
  display: flex; flex-direction: column; padding: 20px 30px; gap: 4px;
  transform: translateX(100%); transition: transform .28s;
}
.m-menu.open { transform: none; }
.m-menu a { padding: 13px 0; border-bottom: 1px solid var(--line); font-size: 16px; display: flex; justify-content: space-between; }
.m-menu a.active { color: var(--red); font-weight: 700; }
.m-menu .m-admin { margin-top: 16px; color: var(--gray-light); font-size: 13px; }

.stage { flex: 1; margin-left: var(--rail-w); min-width: 0; }

/* ---------------- 通用 ---------------- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 40px; }
.sec { padding: 90px 0; }
.sec-soft { background: var(--bg-soft); }
.sec-head { margin-bottom: 48px; }
.sec-head .no {
  font-size: 13px; font-weight: 800; color: var(--red); letter-spacing: 2px;
  display: inline-flex; align-items: center; gap: 10px; margin-bottom: 10px;
}
.sec-head .no::before { content: ""; width: 34px; height: 2px; background: var(--red); }
.sec-head .no .en { color: var(--gray-light); font-weight: 600; letter-spacing: 3px; text-transform: uppercase; }
.sec-head h2 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 800; letter-spacing: 1px; line-height: 1.3; }
.sec-head p.sub { color: var(--gray); margin-top: 12px; max-width: 640px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 30px; font-size: 15px; font-weight: 600; letter-spacing: 1px;
  border-radius: 2px; border: 1px solid transparent; cursor: pointer; transition: .2s;
}
.btn-red { background: var(--red); color: #fff; }
.btn-red:hover { background: var(--red-dark); }
.btn-ghost { background: #fff; color: var(--red); border-color: var(--red); }
.btn-ghost:hover { background: var(--red); color: #fff; }
.btn-plain { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-plain:hover { border-color: var(--red); color: var(--red); }
.btn-sm { padding: 8px 18px; font-size: 13px; }

/* 页面头带（内页顶部） */
.page-hero {
  position: relative; padding: 84px 0 66px; overflow: hidden;
  border-bottom: 1px solid var(--line); background: #fff;
}
.page-hero::before {
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 380px; height: 380px; border-radius: 50%;
  border: 44px solid var(--red-light);
}
.page-hero::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 180px; height: 6px; background: var(--red);
}
.page-hero .crumb { font-size: 13px; color: var(--gray-light); letter-spacing: 2px; text-transform: uppercase; margin-bottom: 14px; }
.page-hero h1 { font-size: clamp(30px, 4vw, 46px); font-weight: 800; letter-spacing: 2px; }
.page-hero .desc { color: var(--gray); margin-top: 14px; max-width: 620px; }

/* 竖排装饰文字 */
.v-text {
  writing-mode: vertical-rl; letter-spacing: 10px; color: var(--gray-light);
  font-size: 13px; user-select: none;
}

/* ---------------- 首页 Hero ---------------- */
.hero {
  position: relative; min-height: calc(100vh - 0px); display: flex; align-items: center;
  overflow: hidden; background:
    radial-gradient(circle at 88% 18%, rgba(200,22,29,.05), transparent 42%),
    #fff;
}
/* 左右两列统一对齐：stretch 让右侧媒体上下边与左侧内容完全齐平 */
.hero .wrap { display: grid; grid-template-columns: 1.15fr .85fr; gap: 44px; align-items: stretch; align-content: center; padding-top: 40px; padding-bottom: 104px; width: 100%; max-width: var(--maxw-wide); }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px; font-size: 13px; letter-spacing: 3px;
  color: var(--red); border: 1px solid rgba(200,22,29,.35); padding: 6px 16px; border-radius: 30px; margin-bottom: 26px;
}
.hero-badge::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--red); }
.hero h1 { font-size: clamp(38px, 5.6vw, 68px); font-weight: 900; line-height: 1.22; letter-spacing: 2px; }
.hero h1 .red { color: var(--red); }
.hero .en { margin-top: 14px; color: var(--gray-light); letter-spacing: 4px; font-size: 13px; text-transform: uppercase; }
.hero .lead { margin-top: 22px; color: var(--gray); max-width: 560px; font-size: 16px; }
.hero-cta { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-side { position: relative; display: flex; }
.hero-side .img-main {
  border-radius: 4px; box-shadow: 0 30px 60px -22px rgba(26,26,26,.25);
  border: 1px solid var(--line);
}
.hero-side .img-card {
  position: absolute; left: -46px; bottom: -38px; width: 200px;
  background: var(--red); color: #fff; padding: 20px 22px; border-radius: 4px;
  box-shadow: 0 20px 40px -14px rgba(200,22,29,.45);
}
.hero-side .img-card b { display: block; font-size: 22px; letter-spacing: 2px; }
.hero-side .img-card span { font-size: 12px; opacity: .85; letter-spacing: 2px; }
.hero-vertical {
  position: absolute; right: 34px; top: 50%; transform: translateY(-50%);
  display: flex; gap: 14px; align-items: flex-start;
}
.hero-vertical .v-text b { color: var(--red); }
.hero-strip {
  position: absolute; left: 0; bottom: 0; width: 100%;
  border-top: 1px solid var(--line); background: rgba(255,255,255,.9); backdrop-filter: blur(6px);
}
.hero-strip .wrap { display: flex; gap: 0; padding-top: 0; padding-bottom: 0; flex-wrap: wrap; max-width: var(--maxw-wide); }
.hero-strip .st {
  flex: 1; min-width: 150px; padding: 20px 26px; border-right: 1px solid var(--line);
}
.hero-strip .st:last-child { border-right: none; }
.hero-strip .st b { font-size: 26px; font-weight: 800; color: var(--red); font-variant-numeric: tabular-nums; }
.hero-strip .st b i { font-style: normal; font-size: 15px; margin-left: 2px; vertical-align: 5px; }
.hero-strip .st b i.n { font-size: inherit; margin-left: 0; vertical-align: baseline; }
.hero-strip .st span { display: block; font-size: 12px; color: var(--gray); letter-spacing: 2px; margin-top: 2px; }

/* ---------------- 业务矩阵（首页） ---------------- */
.biz-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.biz-card {
  position: relative; border: 1px solid var(--line); background: #fff;
  padding: 34px 30px 30px; transition: .25s; overflow: hidden; display: flex; flex-direction: column;
}
.biz-card::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 4px;
  background: var(--red); transition: width .3s;
}
.biz-card:hover { transform: translateY(-6px); box-shadow: 0 24px 48px -20px rgba(26,26,26,.18); }
.biz-card:hover::after { width: 100%; }
.biz-card .num {
  font-size: 44px; font-weight: 900; color: transparent;
  -webkit-text-stroke: 1.4px rgba(200,22,29,.4); line-height: 1; margin-bottom: 18px;
}
.biz-card:hover .num { color: var(--red); -webkit-text-stroke: 0; }
.biz-card h3 { font-size: 19px; font-weight: 800; letter-spacing: 1px; }
.biz-card .en { font-size: 11px; color: var(--gray-light); letter-spacing: 2px; text-transform: uppercase; margin: 4px 0 14px; }
.biz-card p { color: var(--gray); font-size: 14px; flex: 1; }
.biz-card .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.biz-card .tags span {
  font-size: 11px; color: var(--red); background: var(--red-light);
  padding: 3px 10px; border-radius: 2px;
}
.biz-card .go {
  margin-top: 20px; font-size: 13px; font-weight: 700; color: var(--red);
  display: inline-flex; align-items: center; gap: 6px; letter-spacing: 1px;
}
.biz-card .go::after { content: "→"; transition: transform .2s; }
.biz-card:hover .go::after { transform: translateX(4px); }

/* ---------------- 核心技术 ---------------- */
.tech-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.tech-item { border-left: 2px solid var(--red); padding: 6px 0 6px 22px; }
.tech-item h4 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.tech-item h4 i { font-style: normal; color: var(--red); font-size: 12px; letter-spacing: 1px; margin-left: 8px; }
.tech-item p { color: var(--gray); font-size: 13.5px; }

/* ---------------- 首页新闻 ---------------- */
.home-news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.news-card { border: 1px solid var(--line); background: #fff; transition: .25s; display: flex; flex-direction: column; }
.news-card:hover { box-shadow: 0 20px 44px -18px rgba(26,26,26,.2); transform: translateY(-4px); }
.news-card .thumb { aspect-ratio: 16/9; overflow: hidden; background: var(--bg-soft); }
.news-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-card:hover .thumb img { transform: scale(1.05); }
.news-card .body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.news-card .date { font-size: 12px; color: var(--gray-light); letter-spacing: 1px; }
.news-card h4 { font-size: 16px; font-weight: 700; line-height: 1.5; margin: 8px 0 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-card p { font-size: 13px; color: var(--gray); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.news-card .more { margin-top: 14px; color: var(--red); font-size: 13px; font-weight: 600; }

/* ---------------- 合作单位 Logo 墙 ---------------- */
.logo-item {
  width: 148px; height: 92px; border: 1px solid var(--line); background: #fff;
  display: flex; align-items: center; justify-content: center; padding: 16px;
  transition: .2s; flex: none;
}
.logo-item:hover { border-color: var(--red); }
/* Logo 原彩展示，不再置灰（用户要求点亮） */
.logo-item img { max-height: 100%; object-fit: contain; transition: .2s; }

/* ---------------- 页脚 ---------------- */
.footer { background: #141414; color: #b9b9b9; margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 40px; padding: 64px 0 48px; }
.footer h5 { color: #fff; font-size: 15px; letter-spacing: 2px; margin-bottom: 18px; }
.footer .f-brand img { width: 46px; height: 46px; margin-bottom: 12px; }
.footer .f-brand .slogan { color: #fff; font-size: 20px; font-weight: 800; letter-spacing: 2px; }
.footer .f-brand .slogan i { font-style: normal; color: #ff5a60; }
.footer .f-brand p { font-size: 13px; margin-top: 12px; line-height: 1.9; }
.footer ul li { margin-bottom: 10px; font-size: 13.5px; }
.footer ul li a:hover { color: #fff; }
.footer .f-contact li { display: flex; gap: 10px; }
.footer .f-contact b { color: #fff; font-weight: 600; flex: none; }
.footer-bottom {
  border-top: 1px solid #2a2a2a; padding: 20px 0; font-size: 12.5px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; color: #7c7c7c;
}

/* ---------------- 内页通用列表 ---------------- */
.news-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.news-row {
  display: flex; gap: 20px; border: 1px solid var(--line); background: #fff;
  padding: 20px; transition: .2s;
}
.news-row:hover { border-color: rgba(200,22,29,.5); box-shadow: 0 14px 34px -16px rgba(26,26,26,.15); }
.news-row .date-box {
  flex: none; width: 74px; text-align: center; background: var(--red-light);
  padding: 12px 0; border-radius: 2px; align-self: flex-start;
}
.news-row .date-box b { display: block; font-size: 26px; color: var(--red); font-weight: 800; line-height: 1.1; }
.news-row .date-box span { font-size: 11px; color: var(--gray); letter-spacing: 1px; }
.news-row h4 { font-size: 16.5px; font-weight: 700; line-height: 1.5; }
.news-row h4 a:hover { color: var(--red); }
.news-row p { font-size: 13px; color: var(--gray); margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-row .meta { margin-top: 10px; font-size: 12px; color: var(--gray-light); }
.pager { display: flex; gap: 8px; justify-content: center; margin-top: 40px; }
.pager a, .pager span {
  min-width: 38px; height: 38px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); font-size: 14px; padding: 0 12px; border-radius: 2px;
}
.pager .cur { background: var(--red); border-color: var(--red); color: #fff; }
.pager a:hover { border-color: var(--red); color: var(--red); }

/* 文章详情 */
.article { max-width: 820px; }
.article h1 { font-size: clamp(24px, 3vw, 34px); font-weight: 800; line-height: 1.45; }
.article .meta { color: var(--gray-light); font-size: 13px; margin: 16px 0 30px; display: flex; gap: 18px; }
.article .cover { margin-bottom: 30px; border: 1px solid var(--line); }
.article .content { font-size: 15.5px; color: #333; }
.article .content p { margin-bottom: 18px; }
.article .content h3 { font-size: 19px; margin: 30px 0 14px; padding-left: 12px; border-left: 4px solid var(--red); }
.article .content ul { margin: 0 0 18px 4px; }
.article .content ul li { position: relative; padding-left: 20px; margin-bottom: 8px; }
.article .content ul li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 6px; height: 6px; background: var(--red); }
.article .content a { color: var(--red); font-weight: 600; }
.article .content .muted { color: var(--gray-light); font-size: 13.5px; border-left: 3px solid var(--line); padding-left: 14px; }

/* 产品页 */
.prod-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 46px; }
.prod-nav a {
  padding: 9px 20px; border: 1px solid var(--line); font-size: 14px; color: var(--gray);
  border-radius: 2px; transition: .2s; letter-spacing: 1px;
}
.prod-nav a:hover, .prod-nav a.active { border-color: var(--red); color: var(--red); background: var(--red-light); }
.prod-block {
  display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: center;
  padding: 56px 0; border-top: 1px solid var(--line);
}
.prod-block:nth-child(even) { direction: rtl; }
.prod-block > * { direction: ltr; }
.prod-block .p-img { position: relative; }
.prod-block .p-img img { border: 1px solid var(--line); border-radius: 4px; box-shadow: 0 26px 54px -24px rgba(26,26,26,.22); }
.prod-block .p-img .p-num {
  position: absolute; top: -30px; left: -18px; font-size: 74px; font-weight: 900;
  color: transparent; -webkit-text-stroke: 1.6px rgba(200,22,29,.45); line-height: 1;
}
.prod-block h3 { font-size: 25px; font-weight: 800; letter-spacing: 1px; }
.prod-block .en { color: var(--gray-light); font-size: 12px; letter-spacing: 3px; text-transform: uppercase; margin: 6px 0 16px; }
.prod-block .summary { color: var(--gray); margin-bottom: 18px; }
.prod-block .tags { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.prod-block .tags span { font-size: 12px; color: var(--red); background: var(--red-light); padding: 4px 12px; border-radius: 2px; }
.prod-block .actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* 软件试用 / 下载中心 */
.trial-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.trial-card {
  border: 1px solid var(--line); background: #fff; padding: 36px 34px; position: relative;
  transition: .25s; display: flex; flex-direction: column; overflow: hidden;
}
.trial-card::before {
  content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 4px; background: var(--red);
  transform: scaleX(0); transform-origin: left; transition: .3s;
}
.trial-card:hover::before { transform: scaleX(1); }
.trial-card:hover { box-shadow: 0 24px 50px -22px rgba(26,26,26,.2); }
.trial-card .tag-line { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.trial-card .k {
  font-size: 12px; font-weight: 700; color: var(--red); letter-spacing: 2px;
  border: 1px solid rgba(200,22,29,.4); padding: 3px 12px; border-radius: 20px;
}
.trial-card h3 { font-size: 21px; font-weight: 800; }
.trial-card .en { font-size: 11px; color: var(--gray-light); letter-spacing: 2px; margin: 4px 0 14px; text-transform: uppercase; }
.trial-card p { color: var(--gray); font-size: 14px; flex: 1; }
.trial-card .tc-foot { margin-top: 24px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.trial-card.reserved { background: var(--bg-soft); }
.trial-card.reserved h3 { color: #444; }
.trial-card.reserved::before { background: var(--line); }
.trial-card .soon { font-size: 12px; color: var(--gray-light); letter-spacing: 1px; }

.dl-tabs { display: flex; gap: 10px; margin-bottom: 30px; flex-wrap: wrap; }
.dl-tabs button {
  padding: 10px 24px; border: 1px solid var(--line); background: #fff; cursor: pointer;
  font-size: 14.5px; font-family: var(--font); letter-spacing: 1px; color: var(--gray); transition: .2s; border-radius: 2px;
}
.dl-tabs button.active { background: var(--red); border-color: var(--red); color: #fff; }
.dl-row {
  display: flex; align-items: center; gap: 22px; padding: 24px 26px;
  border: 1px solid var(--line); background: #fff; margin-bottom: 14px; transition: .2s;
}
.dl-row:hover { border-color: rgba(200,22,29,.5); box-shadow: 0 14px 34px -18px rgba(26,26,26,.16); }
.dl-row .dl-icon {
  flex: none; width: 54px; height: 54px; background: var(--red-light); border-radius: 4px;
  display: flex; align-items: center; justify-content: center; font-size: 24px; color: var(--red);
}
.dl-row .dl-main { flex: 1; min-width: 0; }
.dl-row h4 { font-size: 16.5px; font-weight: 700; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.dl-row h4 .v { font-size: 11.5px; color: var(--red); border: 1px solid rgba(200,22,29,.4); padding: 1px 8px; border-radius: 20px; font-weight: 600; }
.dl-row p { font-size: 13px; color: var(--gray); margin-top: 5px; }
.dl-row .dl-meta { font-size: 12px; color: var(--gray-light); margin-top: 6px; display: flex; gap: 16px; flex-wrap: wrap; }
.dl-row .dl-act { flex: none; }

/* 合作单位：静态平铺墙（合作单位页用）；auto-fit 让不足一行时自动铺满，不留空位 */
.partner-wall {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(158px, 1fr)); gap: 14px;
}
.partner-wall .logo-item {
  width: auto; height: auto; padding: 16px 12px 13px;
  flex-direction: column; gap: 11px; transition: .22s;
}
.partner-wall .logo-item:hover {
  transform: translateY(-3px); box-shadow: 0 14px 28px -18px rgba(26, 26, 26, .35);
}
.partner-wall .logo-item .lg-img {
  width: 100%; height: 54px; display: flex; align-items: center; justify-content: center;
}
.partner-wall .logo-item .lg-img img { max-height: 54px; }
.partner-wall .logo-item .lg-name {
  font-size: 12.5px; font-weight: 600; color: var(--gray);
  text-align: center; line-height: 1.45; letter-spacing: .5px; transition: .2s;
}
.partner-wall .logo-item:hover .lg-name { color: var(--red); }

/* ---------------- 合作单位：首页无缝滚动跑马灯 ---------------- */
.pm {
  position: relative; overflow: hidden;
  /* 左右边缘渐隐，滚动进出不突兀 */
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 56px, #000 calc(100% - 56px), transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 56px, #000 calc(100% - 56px), transparent 100%);
}
.pm-track {
  display: flex; width: max-content;
  animation: pmScroll 34s linear infinite;
  will-change: transform;
}
.pm:hover .pm-track { animation-play-state: paused; }
.pm-group {
  display: flex; gap: 14px; padding-right: 14px; flex: none;
}
.pm-item {
  flex: none; width: 196px; height: 104px;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 10px 12px; background: #fff; border: 1px solid var(--line); border-radius: 4px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.pm-item:hover {
  border-color: rgba(200, 22, 29, .45);
  box-shadow: 0 14px 28px -18px rgba(26, 26, 26, .35);
  transform: translateY(-3px);
}
.pm-img { height: 52px; display: flex; align-items: center; justify-content: center; }
.pm-img img { max-height: 52px; max-width: 150px; object-fit: contain; }
.pm-name {
  font-size: 12.5px; font-weight: 600; color: var(--gray); letter-spacing: .4px;
  text-align: center; line-height: 18px; height: 18px;
  max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  transition: color .2s;
}
.pm-item:hover .pm-name { color: var(--red); }
@keyframes pmScroll {
  from { transform: translate3d(0, 0, 0); }
  to { transform: translate3d(-50%, 0, 0); }
}
/* 单位少于 4 家时静止平铺，避免来回闪 */
.pm-static .pm-track { animation: none; }
.pm-static { -webkit-mask-image: none; mask-image: none; }
.pm-static .pm-track { flex-wrap: wrap; width: 100%; }
.pm-static .pm-group:last-child { display: none; }
.pm-static .pm-group { flex-wrap: wrap; width: 100%; padding-right: 0; }
.pm-static .pm-item { flex: 1 1 158px; width: auto; }
@media (prefers-reduced-motion: reduce) {
  .pm-track { animation: none; }
  .pm { overflow-x: auto; -webkit-mask-image: none; mask-image: none; }
}

/* 联系我们 */
.contact-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 50px; align-items: stretch; }
/* 左侧信息列表纵向均分，底边与右侧表单卡片对齐 */
.contact-info { display: flex; flex-direction: column; justify-content: space-between; }
.contact-info .ci { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px dashed var(--line); }
.contact-info .ci .ic {
  flex: none; width: 46px; height: 46px; background: var(--red-light); color: var(--red);
  display: flex; align-items: center; justify-content: center; font-size: 20px; border-radius: 4px;
}
.contact-info .ci b { display: block; font-size: 14px; letter-spacing: 1px; margin-bottom: 3px; }
.contact-info .ci span { color: var(--gray); font-size: 14px; }
.form-card { border: 1px solid var(--line); padding: 36px; background: #fff; }
.form-card h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.form-card .sub { color: var(--gray-light); font-size: 13px; margin-bottom: 24px; }
.fgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--gray); letter-spacing: 1px; }
.field label i { color: var(--red); font-style: normal; }
.field input, .field select, .field textarea {
  border: 1px solid var(--line); padding: 11px 14px; font-size: 14px; font-family: var(--font);
  outline: none; transition: .2s; border-radius: 2px; background: var(--bg-soft); resize: vertical;
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--red); background: #fff; }
.form-msg { margin-top: 14px; font-size: 13.5px; min-height: 20px; }
.form-msg.ok { color: #1a8a3c; } .form-msg.err { color: var(--red); }

/* 关于页 */
.about-lead { font-size: clamp(18px, 2.2vw, 24px); font-weight: 700; line-height: 1.9; letter-spacing: 1px; }
.about-lead i { font-style: normal; color: var(--red); }
.about-paras { margin-top: 26px; color: var(--gray); display: grid; gap: 14px; max-width: 860px; }
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.value-card { border-top: 3px solid var(--red); background: #fff; border-left: 1px solid var(--line); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); padding: 28px 26px; }
.value-card b { font-size: 17px; font-weight: 800; display: block; margin-bottom: 10px; }
.value-card p { color: var(--gray); font-size: 13.5px; }
.market-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.market-card { background: #fff; border: 1px solid var(--line); padding: 30px 24px; text-align: center; transition: .2s; }
.market-card:hover { border-color: var(--red); transform: translateY(-4px); }
.market-card .mi { width: 52px; height: 52px; margin: 0 auto 16px; background: var(--red); color: #fff; border-radius: 4px; display: flex; align-items: center; justify-content: center; font-size: 24px; }
.market-card b { font-size: 16px; display: block; margin-bottom: 6px; }
.market-card span { font-size: 12.5px; color: var(--gray); }
.cert-img { border: 1px solid var(--line); max-width: 560px; margin: 0 auto; }

/* 服务承诺条 */
.promise-band { background: var(--red); color: #fff; }
.promise-band .wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; padding-top: 46px; padding-bottom: 46px; }
.promise-band .wrap > .pb-flow { grid-column: 1 / -1; }
.promise-band b { font-size: 19px; display: block; margin-bottom: 8px; letter-spacing: 1px; }
.promise-band p { font-size: 13.5px; opacity: .88; }

/* 融合标语（技能与诊断融合·科技与人文互通） */
.fuse-band {
  margin-top: 26px; background: var(--red); color: #fff;
  display: flex; align-items: center; justify-content: center; gap: 18px;
  padding: 20px 24px; flex-wrap: wrap;
}
.fuse-band b { font-size: 21px; letter-spacing: 3px; font-weight: 800; }
.fuse-band span { font-size: 12px; letter-spacing: 4px; opacity: .75; border-left: 1px solid rgba(255,255,255,.4); padding-left: 18px; }

/* 入场动画 */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* 404 */
.nf { min-height: 70vh; display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; gap: 16px; }
.nf b { font-size: 90px; color: var(--red); font-weight: 900; line-height: 1; }
.nf p { color: var(--gray); }

/* ---------------- 响应式 ---------------- */
/* ==========================================================
   全流程诊疗训练闭环（首页）
   ========================================================== */
.flow { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px 18px; }
.flow-step i {
  display: inline-block; padding: 2px 7px; border-radius: 3px;
  background: rgba(200, 22, 29, .07); transition: all .3s;
}
.flow-step.on { border-color: rgba(200, 22, 29, .5); }
.flow-step.on i { background: var(--red); color: #fff; }
.flow-step.cur {
  background: var(--red); border-color: var(--red); transform: translateY(-4px);
  box-shadow: 0 18px 34px -16px rgba(200, 22, 29, .55);
}
.flow-step.cur i { background: rgba(255, 255, 255, .22); color: #fff; }
.flow-step.cur b, .flow-step.cur span { color: #fff; }
.flow-step.cur::after { animation: flowArrow .9s ease-in-out infinite; }
@keyframes flowArrow { 0%, 100% { transform: translateY(-50%) translateX(0); opacity: .6; } 50% { transform: translateY(-50%) translateX(4px); opacity: 1; } }
.flow-step {
  position: relative; background: #fff; border: 1px solid var(--line);
  padding: 20px 16px 18px; transition: all .25s;
}
.flow-step:hover { border-color: var(--red); box-shadow: 0 14px 30px -18px rgba(200,22,29,.5); }
.flow-step i {
  display: block; font-style: normal; font-size: 12px; font-weight: 800;
  color: var(--red); letter-spacing: 1px; margin-bottom: 8px;
}
.flow-step b { display: block; font-size: 16px; font-weight: 800; letter-spacing: .5px; }
.flow-step span { display: block; font-size: 11px; color: var(--gray-light); letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }
.flow-step::after {
  content: "→"; position: absolute; right: -16px; top: 50%; transform: translateY(-50%);
  color: var(--red); font-size: 14px; font-weight: 700;
}
.flow-step:nth-child(5n)::after { display: none; }

.shot-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 34px; }
.shot { border: 1px solid var(--line); background: #fff; overflow: hidden; }
.shot img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s; }
.shot:hover img { transform: scale(1.05); }
.shot figcaption { padding: 12px 16px; font-size: 13px; color: var(--gray); border-top: 1px solid var(--line); }
.shot figcaption b { display: block; color: var(--ink); font-size: 14px; margin-bottom: 2px; }

/* ==========================================================
   全产品矩阵（首页）
   ========================================================== */
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.matrix-col { background: #fff; border: 1px solid var(--line); padding: 30px 28px; }
.matrix-col > h3 {
  font-size: 19px; font-weight: 800; padding-left: 14px; position: relative; margin-bottom: 6px;
}
.matrix-col > h3::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 3px; background: var(--red); }
.matrix-col > .mt-sub { font-size: 12.5px; color: var(--gray-light); padding-left: 14px; margin-bottom: 18px; letter-spacing: 1px; }
.matrix-list li {
  display: flex; align-items: baseline; gap: 12px; padding: 9px 0;
  border-bottom: 1px dashed var(--line); font-size: 14px; color: var(--gray);
}
.matrix-list li:last-child { border-bottom: 0; }
.matrix-list li i { font-style: normal; font-size: 12px; font-weight: 800; color: var(--red); min-width: 20px; }
.matrix-list li:hover { color: var(--ink); }

/* 三端协同 */
.tri-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 26px; }
.tri-card { background: var(--bg-soft); border: 1px solid var(--line); padding: 26px 24px; }
.tri-card h4 { font-size: 17px; font-weight: 800; margin-bottom: 4px; }
.tri-card h4 em { font-style: normal; font-size: 11px; color: var(--red); letter-spacing: 1px; margin-left: 8px; }
.tri-card p { font-size: 13px; color: var(--gray); margin-top: 12px; }

/* ==========================================================
   真实病例库（首页）
   ========================================================== */
.case-cloud { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 6px; }
.case-cloud span {
  padding: 7px 15px; border: 1px solid var(--line); font-size: 13px; color: var(--gray);
  background: #fff; transition: all .2s;
}
.case-cloud span:hover { border-color: var(--red); color: var(--red); background: var(--red-light); }
.case-note {
  display: flex; gap: 26px; flex-wrap: wrap; margin-top: 28px; padding-top: 24px;
  border-top: 1px solid var(--line);
}
.case-note div { max-width: 320px; }
.case-note b { display: block; font-size: 15px; font-weight: 800; margin-bottom: 4px; }
.case-note b::before { content: "— "; color: var(--red); }
.case-note p { font-size: 13px; color: var(--gray); }

/* ==========================================================
   产品详情富文本（后台编辑内容）
   ========================================================== */
.prod-rich { color: #555; font-size: 14.5px; margin-bottom: 24px; }
.prod-rich p { margin-bottom: 14px; }
.prod-rich h3 {
  font-size: 17px; font-weight: 800; color: var(--ink);
  margin: 26px 0 12px; padding-left: 12px; border-left: 4px solid var(--red);
}
.prod-rich ul { margin: 0 0 16px 4px; }
.prod-rich ul li { position: relative; padding-left: 18px; margin-bottom: 7px; }
.prod-rich ul li::before {
  content: ""; position: absolute; left: 2px; top: 9px; width: 6px; height: 6px; background: var(--red);
}
.prod-rich a { color: var(--red); font-weight: 600; }
.prod-rich .muted { color: var(--gray-light); font-size: 13.5px; border-left: 3px solid var(--line); padding-left: 14px; }
.prod-rich img { width: 100%; border: 1px solid var(--line); margin: 16px 0; }
.prod-rich .shots { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 18px 0; }
.prod-rich .shots img { margin: 0; height: 200px; object-fit: cover; }
.prod-rich .shots figcaption { font-size: 12.5px; color: var(--gray-light); padding: 8px 2px 0; text-align: center; }

/* ================= Hero 吸睛层：标语打字机 + AI 虚拟病人对话 ================= */
.hero-slogan {
  display: flex; align-items: center; gap: 3px; margin-top: 14px;
  font-size: 15px; font-weight: 600; color: #1b1b1b; letter-spacing: .02em;
}
.hs-caret { display: inline-block; width: 2px; height: 15px; background: var(--red); animation: hsBlink 1s steps(1) infinite; }
@keyframes hsBlink { 50% { opacity: 0; } }

.hero-ai {
  margin-top: 24px; max-width: 470px; background: #141619;
  border: 1px solid rgba(255, 255, 255, .10); border-radius: 6px; overflow: hidden;
  box-shadow: 0 20px 44px rgba(0, 0, 0, .16);
}
.ha-head {
  display: flex; align-items: center; gap: 8px; padding: 9px 12px;
  background: rgba(255, 255, 255, .045); border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.ha-dot {
  width: 7px; height: 7px; border-radius: 50%; background: #31c45a; flex: 0 0 7px;
  animation: haBlink 1.7s ease-out infinite;
}
@keyframes haBlink {
  0% { box-shadow: 0 0 0 0 rgba(49, 196, 90, .5); }
  70% { box-shadow: 0 0 0 8px rgba(49, 196, 90, 0); }
  100% { box-shadow: 0 0 0 0 rgba(49, 196, 90, 0); }
}
.ha-head b { font-size: 12px; color: #fff; font-weight: 600; }
.ha-head em {
  margin-left: auto; font-size: 11px; font-style: normal; color: #ff8a8f;
  background: rgba(200, 22, 29, .18); padding: 2px 9px; border-radius: 20px; white-space: nowrap;
}
.ha-body { padding: 12px 12px 4px; min-height: 96px; }
.ha-msg { display: flex; align-items: flex-start; gap: 8px; margin-bottom: 9px; }
.ha-msg i {
  flex: 0 0 20px; width: 20px; height: 20px; border-radius: 4px; font-size: 11px;
  font-style: normal; color: #fff; display: flex; align-items: center; justify-content: center; margin-top: 1px;
}
.ha-doc i { background: var(--red); }
.ha-pt i { background: #3a4048; }
.ha-msg p {
  margin: 0; flex: 0 1 auto; max-width: calc(100% - 34px);
  font-size: 12.8px; line-height: 1.72; color: rgba(255, 255, 255, .86);
}
.ha-caret {
  flex: 0 0 2px; width: 2px; height: 13px; background: var(--red); margin-top: 4px;
  animation: hsBlink 1s steps(1) infinite;
}
.ha-typing { display: none; align-items: center; gap: 3px; margin-top: 7px; }
.ha-typing.on { display: inline-flex; }
.ha-typing em { width: 4px; height: 4px; border-radius: 50%; background: rgba(255, 255, 255, .55); animation: haDot 1.1s ease-in-out infinite; }
.ha-typing em:nth-child(2) { animation-delay: .18s; }
.ha-typing em:nth-child(3) { animation-delay: .36s; }
@keyframes haDot { 0%, 60%, 100% { transform: translateY(0); opacity: .4; } 30% { transform: translateY(-4px); opacity: 1; } }

.ha-vitals {
  display: flex; align-items: center; gap: 13px; padding: 8px 12px 9px;
  border-top: 1px solid rgba(255, 255, 255, .08); background: rgba(255, 255, 255, .022);
}
.hv { display: flex; align-items: baseline; gap: 4px; font-variant-numeric: tabular-nums; }
.hv span { font-size: 10px; color: rgba(255, 255, 255, .45); }
.hv b { font-size: 14px; color: #ff6b70; font-weight: 600; }
.hv em { font-size: 9.5px; font-style: normal; color: rgba(255, 255, 255, .32); }
.ha-ecg { flex: 1; min-width: 60px; height: 22px; margin-left: auto; }
.ha-ecg path { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.ha-ecg .base { stroke: rgba(255, 85, 96, .30); stroke-width: 1.4; }
.ha-ecg .run {
  stroke: #ff5560; stroke-width: 1.6;
  stroke-dasharray: 32 320; animation: ecgRun 3.2s linear infinite;
  filter: drop-shadow(0 0 3px rgba(255, 85, 96, .5));
}

/* 矮屏（1366×768 / 1280×800 等笔记本）：压缩首屏内容，避免 AI 面板与数字条重叠 */
@media (min-width: 1181px) and (max-height: 920px) {
  .hero h1 { font-size: clamp(34px, 3.6vw, 48px); }
  .hero .en { margin-top: 10px; }
  .hero .lead { margin-top: 16px; font-size: 14.5px; line-height: 1.75; }
  .hero-cta { margin-top: 22px; }
  .hero-slogan { margin-top: 10px; }
  .hero-ai { margin-top: 16px; }
  .ha-body { min-height: 76px; padding: 9px 11px 2px; }
  .ha-msg { margin-bottom: 5px; }
  .ha-msg p { font-size: 12.2px; line-height: 1.62; }
}
@media (min-width: 1181px) and (max-height: 780px) {
  .hero-ai { max-width: 430px; }
  .ha-body { min-height: 62px; }
  .ha-vitals { padding: 6px 11px 7px; }
}
@keyframes ecgRun { from { stroke-dashoffset: 352; } to { stroke-dashoffset: 0; } }

@media (max-width: 960px) {
  .hero-ai { max-width: 100%; margin-top: 20px; }
}
@media (max-width: 560px) {
  .hero-slogan { font-size: 13.5px; }
  .hero-ai { margin-top: 16px; }
  .ha-msg p { font-size: 12px; }
  .ha-vitals { gap: 9px; }
  .hv b { font-size: 12.5px; }
}
@media (prefers-reduced-motion: reduce) {
  .hs-caret, .ha-caret, .ha-dot, .ha-typing em, .ha-ecg path { animation: none; }
}

/* ================= 数据洞察看板（首页大屏） ================= */
.data-board {
  position: relative; overflow: hidden; padding: 92px 0 84px;
  background: #101114; color: #fff;
}
.db-deco {
  position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 100%);
}
.data-board::before {
  content: ""; position: absolute; left: 50%; top: -180px; width: 760px; height: 420px;
  margin-left: -380px; z-index: 0; pointer-events: none;
  background: radial-gradient(ellipse at center, rgba(200, 22, 29, .20), rgba(200, 22, 29, 0) 68%);
}
.data-board > .wrap { position: relative; z-index: 2; max-width: var(--maxw-wide); }

.db-tag {
  display: inline-flex; align-items: center; gap: 9px; font-size: 12px; letter-spacing: .16em;
  color: rgba(255, 255, 255, .62); border: 1px solid rgba(255, 255, 255, .16);
  padding: 6px 14px; border-radius: 30px; margin-bottom: 18px; text-transform: uppercase;
}
.db-tag i {
  width: 7px; height: 7px; border-radius: 50%; background: var(--red);
  box-shadow: 0 0 0 0 rgba(200, 22, 29, .55); animation: dbBlink 1.8s ease-out infinite;
}
@keyframes dbBlink {
  0% { box-shadow: 0 0 0 0 rgba(200, 22, 29, .55); }
  70% { box-shadow: 0 0 0 10px rgba(200, 22, 29, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 22, 29, 0); }
}
.data-board h2 { color: #fff; font-size: clamp(24px, 3vw, 36px); }
.data-board h2::after { content: ""; display: block; width: 62px; height: 4px; background: var(--red); margin-top: 18px; }
.db-head .sub { color: rgba(255, 255, 255, .66); max-width: 760px; margin-top: 16px; font-size: 15px; line-height: 1.9; }

/* KPI */
.db-kpi { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin: 40px 0 18px; }
.db-kpi .kpi {
  border: 1px solid rgba(255, 255, 255, .10); background: rgba(255, 255, 255, .035);
  border-radius: 4px; padding: 22px 20px 18px; position: relative; overflow: hidden;
  transition: border-color .35s, background .35s, transform .35s;
}
.db-kpi .kpi::after {
  content: ""; position: absolute; left: 0; top: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--red), rgba(200, 22, 29, 0));
  transform: scaleX(0); transform-origin: left; transition: transform .6s cubic-bezier(.2, .8, .2, 1);
}
.db-kpi .kpi:hover { border-color: rgba(200, 22, 29, .5); background: rgba(255, 255, 255, .055); transform: translateY(-3px); }
.db-kpi .kpi:hover::after { transform: scaleX(1); }
.db-kpi b {
  display: block; font-size: clamp(26px, 3.2vw, 40px); font-weight: 700; color: #fff;
  line-height: 1.1; font-variant-numeric: tabular-nums;
}
.db-kpi b i { font-size: 13px; font-style: normal; font-weight: 400; color: rgba(255, 255, 255, .5); margin-left: 5px; }
/* 数字所在的 span 必须留在行内，否则单位会被挤到下一行、整块高低错位 */
.db-kpi b span { display: inline; margin: 0; font-size: inherit; color: inherit; font-weight: inherit; letter-spacing: 0; }
.db-kpi .kpi > span { display: block; margin-top: 10px; font-size: 13px; color: rgba(255, 255, 255, .55); letter-spacing: .04em; }

/* 卡片 */
.db-grid { display: grid; grid-template-columns: 1.9fr 1fr; gap: 18px; }
.db-grid.db-grid2 { grid-template-columns: 1fr 1.9fr; margin-top: 18px; }
.db-card {
  border: 1px solid rgba(255, 255, 255, .10); background: rgba(255, 255, 255, .028);
  border-radius: 4px; padding: 18px 18px 12px; position: relative;
  transition: border-color .35s, background .35s;
}
.db-card:hover { border-color: rgba(200, 22, 29, .38); background: rgba(255, 255, 255, .042); }
.db-ch { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.db-ch h4 { font-size: 15px; font-weight: 600; color: #fff; margin: 0; }
.db-ch h4::before { content: ""; display: inline-block; width: 3px; height: 13px; background: var(--red); margin-right: 8px; vertical-align: -2px; }
.db-unit { font-size: 11.5px; color: rgba(255, 255, 255, .45); }
.db-unit b { color: #ff6b70; font-weight: 600; font-variant-numeric: tabular-nums; }
.db-body { position: relative; }

/* SVG 图表 */
.db-svg { width: 100%; height: auto; display: block; overflow: visible; }
.db-grid { --db-line: rgba(255, 255, 255, .07); }
.db-grid line, .db-svg .db-grid { stroke: rgba(255, 255, 255, .07); stroke-width: 1; }
.db-axis { fill: rgba(255, 255, 255, .40); font-size: 10.5px; font-family: inherit; }
.db-bar-val { fill: rgba(255, 255, 255, .78); font-size: 11px; font-variant-numeric: tabular-nums; }
.db-bar { transition: filter .3s; }
.db-hit { cursor: crosshair; }
.db-line { stroke: #ff5560; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; pointer-events: none; }
.db-pdot { fill: #ff8a8f; pointer-events: none; }
.db-pulse { fill: rgba(255, 85, 96, .30); animation: dbRing 2s ease-out infinite; pointer-events: none; }
.db-svg polygon[fill^="url(#dbAreaGrad)"] { pointer-events: none; }
@keyframes dbRing { 0% { r: 5; opacity: .55; } 100% { r: 15; opacity: 0; } }

.db-tip {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  background: rgba(200, 22, 29, .92); color: #fff; font-size: 12px; padding: 5px 12px;
  border-radius: 3px; opacity: 0; transition: opacity .25s; pointer-events: none; white-space: nowrap;
}
.db-tip.on { opacity: 1; }

/* 雷达图 */
.db-radar-wrap { display: flex; align-items: center; gap: 10px; }
.db-body-radar { flex: 0 0 54%; max-width: 240px; }
.db-web { fill: none; stroke: rgba(255, 255, 255, .13); stroke-width: 1; }
.db-web-line { stroke: rgba(255, 255, 255, .10); stroke-width: 1; }
.db-area-poly { fill: rgba(200, 22, 29, .26); stroke: #ff5560; stroke-width: 2; stroke-linejoin: round; }
.db-rdot { fill: #fff; stroke: var(--red); stroke-width: 2; }
.db-rlabel { fill: rgba(255, 255, 255, .58); font-size: 10.5px; }
.db-rlist { flex: 1; list-style: none; margin: 0; padding: 0; }
.db-rlist li {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 6px 0; border-bottom: 1px dashed rgba(255, 255, 255, .09); font-size: 12px;
  color: rgba(255, 255, 255, .62);
}
.db-rlist li:last-child { border-bottom: none; }
.db-rlist b { color: #ff6b70; font-size: 13px; font-variant-numeric: tabular-nums; }

/* 学科分布条形 */
.db-dist { padding: 6px 2px 4px; }
.db-drow { display: flex; align-items: center; gap: 12px; padding: 7px 0; }
.db-drow .dk { width: 46px; flex: 0 0 46px; font-size: 12.5px; color: rgba(255, 255, 255, .72); }
.db-drow .dt { flex: 1; height: 9px; background: rgba(255, 255, 255, .07); border-radius: 5px; overflow: hidden; }
.db-drow .dt i {
  display: block; height: 100%; width: 0; border-radius: 5px;
  background: linear-gradient(90deg, #8d1116, #e6333b);
  box-shadow: 0 0 12px rgba(230, 51, 59, .45);
}
.db-drow .dv { width: 46px; flex: 0 0 46px; text-align: right; font-size: 12.5px; color: #ff8a8f; font-variant-numeric: tabular-nums; }

/* 实时流 */
.db-feed { height: 232px; overflow: hidden; position: relative; }
.db-feed::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 56px;
  background: linear-gradient(transparent, rgba(16, 17, 20, .96)); pointer-events: none;
}
.db-fi {
  display: flex; align-items: center; gap: 10px; padding: 9px 6px;
  border-bottom: 1px dashed rgba(255, 255, 255, .08); position: relative;
}
.db-fi.is-new { animation: dbIn .6s cubic-bezier(.2, .8, .2, 1); }
@keyframes dbIn {
  from { opacity: 0; transform: translateY(-14px); background: rgba(200, 22, 29, .16); }
  to { opacity: 1; transform: none; background: transparent; }
}
.fi-t { flex: 0 0 auto; font-size: 11px; color: rgba(255, 255, 255, .38); font-variant-numeric: tabular-nums; padding-left: 12px; }
.fi-t::before {
  content: ""; position: absolute; left: 0; top: 50%; width: 6px; height: 6px; margin-top: -3px;
  border-radius: 50%; background: var(--red); animation: dbBlink 1.8s ease-out infinite;
}
.fi-m { flex: 1; min-width: 0; }
.fi-m b { display: block; font-size: 12.5px; color: rgba(255, 255, 255, .84); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fi-m i { display: block; font-size: 11.5px; font-style: normal; color: rgba(255, 255, 255, .45); margin-top: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fi-n { flex: 0 0 auto; text-align: right; }
.fi-n b { display: block; font-size: 15px; color: #ff6b70; font-variant-numeric: tabular-nums; }
.fi-n em { display: block; font-size: 10.5px; font-style: normal; color: rgba(255, 255, 255, .38); }

.db-note { margin-top: 20px; font-size: 12px; color: rgba(255, 255, 255, .34); text-align: center; }

/* 第三行：ECG 波形 / 环形仪表 / 排行榜 */
.db-grid.db-grid3 { grid-template-columns: 2fr 1fr 1fr; margin-top: 18px; }
.db-ecg { height: 104px; position: relative; overflow: hidden; }
.db-ecg::before {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 100% 24px;
}
.db-ecg svg { width: 100%; height: 100%; display: block; position: relative; }
.ecg-line { fill: none; stroke: #ff5560; stroke-width: 1.8; stroke-linejoin: round; stroke-linecap: round; filter: drop-shadow(0 0 4px rgba(255, 85, 96, .45)); }

.db-gauge { position: relative; text-align: center; padding: 4px 0 2px; }
.db-gauge svg { width: 128px; height: 128px; }
.g-bg { fill: none; stroke: rgba(255, 255, 255, .09); stroke-width: 10; }
.g-fg {
  fill: none; stroke: #e6333b; stroke-width: 10; stroke-linecap: round;
  transform: rotate(-90deg); transform-origin: 80px 80px;
  filter: drop-shadow(0 0 6px rgba(230, 51, 59, .5));
}
.g-sweep { stroke: rgba(255, 255, 255, .16); stroke-width: 1.5; transform-origin: 80px 80px; animation: gSweep 4.2s linear infinite; }
@keyframes gSweep { to { transform: rotate(360deg); } }
.g-center { position: absolute; left: 0; right: 0; top: 56px; pointer-events: none; }
.g-center b { font-size: 24px; color: #fff; font-variant-numeric: tabular-nums; }
.g-center span { font-size: 12px; color: rgba(255, 255, 255, .5); margin-left: 2px; }
.g-foot { font-size: 11.5px; color: rgba(255, 255, 255, .5); margin: 8px 0 4px; }
.g-foot em { color: #ff6b70; font-style: normal; font-weight: 600; }

.db-rank { position: relative; height: 268px; }
.db-rk {
  position: absolute; left: 0; right: 0; height: 40px;
  display: flex; align-items: center; gap: 9px;
  transition: top .7s cubic-bezier(.2, .8, .2, 1);
}
.db-rk .no { width: 18px; font-size: 11px; color: rgba(255, 255, 255, .4); font-variant-numeric: tabular-nums; }
.db-rk:first-child .no, .db-rk[data-top="0"] .no { color: #ff6b70; font-weight: 700; }
.db-rk .nm {
  width: 92px; flex: 0 0 92px; font-size: 12px; color: rgba(255, 255, 255, .78);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.db-rk .bar { flex: 1; height: 6px; background: rgba(255, 255, 255, .07); border-radius: 3px; overflow: hidden; }
.db-rk .bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: linear-gradient(90deg, #8d1116, #e6333b); box-shadow: 0 0 10px rgba(230, 51, 59, .4); transition: width .8s; }
.db-rk .vv { width: 50px; flex: 0 0 50px; text-align: right; font-size: 12px; color: #ff8a8f; font-variant-numeric: tabular-nums; }

@media (max-width: 960px) {
  .db-grid.db-grid3 { grid-template-columns: 1fr; }
  .db-rank { height: 264px; }
}
@media (prefers-reduced-motion: reduce) {
  .g-sweep { animation: none; }
  .db-rk { transition: none; }
}

@media (max-width: 1180px) {
  .db-kpi { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 960px) {
  .db-grid, .db-grid.db-grid2 { grid-template-columns: 1fr; }
  .db-radar-wrap { flex-direction: column; gap: 14px; }
  .db-body-radar { flex: none; max-width: 280px; width: 100%; margin: 0 auto; }
  .db-rlist { width: 100%; }
  .data-board { padding: 64px 0 56px; }
}
@media (max-width: 560px) {
  .db-kpi { grid-template-columns: 1fr 1fr; gap: 10px; }
  .db-kpi .kpi { padding: 16px 14px 14px; }
  .db-card { padding: 14px 12px 10px; }
  .fi-t { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  .db-pulse, .db-tag i, .fi-t::before { animation: none; }
  .db-fi.is-new { animation: none; }
}

/* 整体化解决方案 */
.sol-head { display: flex; align-items: baseline; gap: 14px; margin: 34px 0 16px; flex-wrap: wrap; }
.sol-head h3 { font-size: 19px; font-weight: 800; margin: 0; }
.sol-head h3 em { font-size: 11px; font-style: normal; color: var(--gray-light); letter-spacing: 2px; margin-left: 8px; font-weight: 600; }
.sol-head p { font-size: 13px; color: var(--gray-light); margin: 0; }
.sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.sol-item {
  border: 1px solid var(--line); background: #fff; padding: 16px 16px 14px;
  transition: all .3s; position: relative; overflow: hidden;
}
.sol-item::before {
  content: ""; position: absolute; left: 0; top: 0; width: 3px; height: 100%;
  background: var(--red); transform: scaleY(0); transform-origin: top; transition: transform .35s;
}
.sol-item:hover { border-color: rgba(200, 22, 29, .45); box-shadow: 0 16px 30px -18px rgba(200, 22, 29, .4); transform: translateY(-3px); }
.sol-item:hover::before { transform: scaleY(1); }
.sol-item b { display: block; font-size: 15px; font-weight: 800; }
.sol-item span { display: block; margin-top: 6px; font-size: 12.5px; color: var(--gray-light); line-height: 1.7; }

@media (max-width: 960px) {
  .sol-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .sol-grid { grid-template-columns: 1fr; }
}

/* 服务闭环流程带 */
.pb-flow {
  display: flex; align-items: center; justify-content: center; flex-wrap: wrap;
  gap: 10px 14px; margin-bottom: 26px; padding-bottom: 22px;
  border-bottom: 1px solid rgba(255, 255, 255, .18); width: 100%;
}
.pb-flow span {
  font-size: 14px; font-weight: 700; color: #fff; letter-spacing: .06em;
  padding: 6px 16px; border: 1px solid rgba(255, 255, 255, .35); border-radius: 30px;
  transition: all .3s;
}
.pb-flow span:hover { background: #fff; color: var(--red); }
.pb-flow i { color: rgba(255, 255, 255, .65); font-style: normal; font-weight: 700; animation: pbArrow 1.6s ease-in-out infinite; }
.pb-flow i:nth-of-type(2) { animation-delay: .25s; }
.pb-flow i:nth-of-type(3) { animation-delay: .5s; }
@keyframes pbArrow { 0%, 100% { opacity: .45; transform: translateX(0); } 50% { opacity: 1; transform: translateX(4px); } }
@media (prefers-reduced-motion: reduce) { .pb-flow i { animation: none; } }

@media (max-width: 1180px) {
  .hero-vertical { display: none; }
  .partner-wall { grid-template-columns: repeat(6, 1fr); }
  .partner-wall { grid-template-columns: repeat(4, 1fr); }
  .flow { grid-template-columns: repeat(4, 1fr); }
  .flow-step:nth-child(5n)::after { display: block; }
  .flow-step:nth-child(4n)::after { display: none; }
}
@media (max-width: 960px) {
  .rail { display: none; }
  .m-top { display: flex; }
  .stage { margin-left: 0; }
  .wrap { padding: 0 22px; }
  .sec { padding: 60px 0; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero-side { max-width: 560px; }
  .hero-strip .st { min-width: 46%; border-bottom: 1px solid var(--line); }
  .biz-grid, .home-news, .value-grid { grid-template-columns: 1fr 1fr; }
  .tech-grid, .market-grid { grid-template-columns: 1fr 1fr; }
  .matrix, .shot-row, .tri-grid { grid-template-columns: 1fr; }
  .flow { grid-template-columns: repeat(3, 1fr); }
  .flow-step::after { display: none; }
  .prod-block { grid-template-columns: 1fr; gap: 30px; }
  .prod-block:nth-child(even) { direction: ltr; }
  .trial-grid, .news-list, .contact-grid { grid-template-columns: 1fr; }
  .about-hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .about-banner { min-height: 0; padding: 76px 0 66px; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .partner-wall { grid-template-columns: repeat(3, 1fr); }
  .hero-side .img-card { left: 10px; bottom: -26px; }
}
@media (max-width: 560px) {
  .biz-grid, .home-news, .value-grid, .tech-grid, .market-grid, .partner-wall, .fgrid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .form-card { padding: 24px 20px; }
  .dl-row { flex-wrap: wrap; }
  .news-row { flex-direction: column; }
  .promise-band .wrap { grid-template-columns: 1fr; }
}

/* ============================================================
   动态效果增强层（配套 public/js/motion.js）
   白底红点缀下的克制动效：进度条 / 粒子网络 / 序列浮现 /
   数字滚动 / 3D 倾斜 / 视差 / 涟漪 / 光标环 / 返回顶部
   ============================================================ */

/* --- 0. 尊重「减少动态效果」偏好 --- */
@media (prefers-reduced-motion: reduce) {
  .jd-js body { animation: none !important; }
  .jd-js .reveal > * { opacity: 1 !important; transform: none !important; transition: none !important; }
  .jd-js .page-hero .crumb,
  .jd-js .page-hero h1,
  .jd-js .page-hero .desc { animation: none !important; opacity: 1 !important; transform: none !important; }
  .hero-glow, .hero-canvas { display: none !important; }
  .case-cloud span, .hero-badge::before { animation: none !important; }
}

/* --- 1. 页面入场淡入 --- */
@keyframes jdFadeIn { from { opacity: 0; } to { opacity: 1; } }
.jd-js body { animation: jdFadeIn .5s ease both; }

/* --- 2. 顶部滚动进度条 --- */
.jd-prog { position: fixed; left: 0; top: 0; width: 100%; height: 3px; z-index: 9998; pointer-events: none; }
.jd-prog i {
  display: block; height: 100%; width: 0;
  background: linear-gradient(90deg, #C8161D, #ff6a70);
  box-shadow: 0 0 12px rgba(200, 22, 29, .45);
}

/* --- 3. 序列浮现（stagger） --- */
.jd-js .reveal > * {
  opacity: 0; transform: translateY(22px);
  transition: opacity .68s cubic-bezier(.2, .7, .3, 1), transform .68s cubic-bezier(.2, .7, .3, 1);
}
.jd-js .reveal.in > * { opacity: 1; transform: none; transition-delay: calc(var(--i, 0) * 70ms); }
.jd-js .reveal.in.jd-settled > * { transition-delay: 0ms; }
/* 明确要求"不要动"的区块（首页 Hero 文字等）：直接静态呈现 */
.jd-js .reveal.no-stagger > * { opacity: 1 !important; transform: none !important; transition: none !important; }

/* 章节标题：序号前红线延展 */
@keyframes jdLine { from { width: 0; opacity: 0; } to { width: 34px; opacity: 1; } }
.jd-js .reveal.in .sec-head .no::before { animation: jdLine .8s cubic-bezier(.2, .8, .2, 1) both; }

/* --- 4. Hero 右侧媒体：视频优先，无视频时图片轮播降级 --- */
.hero { position: relative; }
.hero > .wrap { position: relative; z-index: 2; }
.hero-strip { z-index: 2; }
.hero-vertical { z-index: 2; }

.hero-media {
  position: relative; border-radius: 4px; overflow: hidden;
  border: 1px solid var(--line); background: #111;
  box-shadow: 0 30px 60px -22px rgba(26, 26, 26, .28);
  aspect-ratio: 4 / 3;
  flex: 1 1 auto; width: 100%; align-self: stretch;
}
.hero-video, .hero-slides { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-video { object-fit: cover; display: none; }
.hero-video.has-video { display: block; }
/* 有视频时视频优先，轮播自动隐藏；无视频时轮播默认可见（避免空白） */
.hero-slides { display: block; }
.hero-video.has-video + .hero-slides { display: none; }
.hero-slides img {
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  opacity: 0; transition: opacity 1.1s ease;
}
.hero-slides img.on { opacity: 1; animation: kb 6.5s ease-out forwards; }
@keyframes kb { from { transform: scale(1.03); } to { transform: scale(1.12); } }

.hero-media .img-card { left: 18px; bottom: 18px; width: auto; max-width: 74%; }
.hero-play {
  position: absolute; right: 14px; bottom: 14px; width: 38px; height: 38px;
  border-radius: 50%; border: 1px solid rgba(255, 255, 255, .55); background: rgba(0, 0, 0, .32);
  backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center;
  cursor: pointer; padding: 0; transition: background .2s, transform .2s;
}
.hero-play:hover { background: var(--red); transform: scale(1.06); }
.hero-play svg { width: 17px; height: 17px; fill: #fff; }
.hero-play .g-play { display: none; }
.hero-play.paused .g-pause { display: none; }
.hero-play.paused .g-play { display: block; }

/* 徽标脉冲点 */
.hero-badge::before { animation: jdPulse 2.6s ease-out infinite; }
@keyframes jdPulse {
  0% { box-shadow: 0 0 0 0 rgba(200, 22, 29, .5); }
  70% { box-shadow: 0 0 0 10px rgba(200, 22, 29, 0); }
  100% { box-shadow: 0 0 0 0 rgba(200, 22, 29, 0); }
}

/* --- 5. 数字条逐条弹入 + 计数 --- */
.jd-js .hero-strip .st {
  opacity: 0; transform: translateY(16px);
  transition: opacity .6s ease, transform .7s cubic-bezier(.2, .7, .3, 1);
}
.jd-js .hero-strip.in .st { opacity: 1; transform: none; }
.jd-js .hero-strip.in .st:nth-child(1) { transition-delay: .05s; }
.jd-js .hero-strip.in .st:nth-child(2) { transition-delay: .17s; }
.jd-js .hero-strip.in .st:nth-child(3) { transition-delay: .29s; }
.jd-js .hero-strip.in .st:nth-child(4) { transition-delay: .41s; }
.hero-strip .st b i { font-size: 15px; }

/* --- 6. 卡片 3D 倾斜 + 光斑 --- */
.jd-tilt { position: relative; transition: transform .35s cubic-bezier(.2, .7, .3, 1), box-shadow .25s; will-change: transform; }
.jd-glare {
  position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(340px circle at var(--gx, 50%) var(--gy, 50%), rgba(200, 22, 29, .14), rgba(200, 22, 29, 0) 62%);
}
.jd-tilt:hover .jd-glare { opacity: 1; }

/* --- 7. 点击涟漪 --- */
.btn { position: relative; overflow: hidden; }
.jd-ripple {
  position: absolute; border-radius: 50%; pointer-events: none;
  background: rgba(255, 255, 255, .45);
  transform: translate(-50%, -50%) scale(0); animation: jdRipple .6s ease-out forwards;
}
.btn-ghost .jd-ripple, .btn-plain .jd-ripple, .pager a .jd-ripple,
.prod-nav a .jd-ripple, .dl-tabs button .jd-ripple, .rail-admin .jd-ripple { background: rgba(200, 22, 29, .16); }
@keyframes jdRipple { to { transform: translate(-50%, -50%) scale(1); opacity: 0; } }

.jd-top {
  position: fixed; right: 26px; bottom: 26px; width: 54px; height: 54px; border-radius: 50%;
  background: #fff; border: 1px solid var(--line); z-index: 9997; cursor: pointer; padding: 0;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 12px 30px -14px rgba(26, 26, 26, .3);
  opacity: 0; transform: translateY(16px) scale(.9); pointer-events: none;
  transition: opacity .3s, transform .35s cubic-bezier(.2, .7, .3, 1), background .2s, border-color .2s;
}
.jd-top.show { opacity: 1; transform: none; pointer-events: auto; }
.jd-top:hover { background: var(--red); border-color: var(--red); }
.jd-top svg { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.jd-top svg .bg { fill: none; stroke: #efefef; stroke-width: 2.5; }
.jd-top svg .fg { fill: none; stroke: var(--red); stroke-width: 2.5; stroke-linecap: round; }
.jd-top:hover svg .fg { stroke: #fff; }
.jd-top .ar {
  width: 11px; height: 11px; margin-top: 4px;
  border-left: 2px solid var(--red); border-top: 2px solid var(--red); transform: rotate(45deg);
  transition: border-color .2s;
}
.jd-top:hover .ar { border-color: #fff; }

/* --- 10. 病例云 / 系统特性标签漂浮 --- */
@keyframes jdFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-5px); } }
.case-cloud span:nth-child(3n+1) { animation: jdFloat 7s ease-in-out infinite; }
.case-cloud span:nth-child(3n+2) { animation: jdFloat 8.5s ease-in-out infinite .9s; }
.case-cloud span:nth-child(3n) { animation: jdFloat 9.5s ease-in-out infinite 1.8s; }
/* 公司简介页等明确要求"不要飘"的区块 */
.no-float .case-cloud span, span.no-float { animation: none !important; }

/* --- 11. 内页 page-hero 入场（公司简介等内页） --- */
@keyframes jdUp2 { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
@keyframes jdBar { from { width: 0; } to { width: 180px; } }
.jd-js .page-hero .crumb { animation: jdUp2 .6s cubic-bezier(.2, .7, .3, 1) both; }
.jd-js .page-hero h1 { animation: jdUp2 .7s cubic-bezier(.2, .7, .3, 1) .1s both; }
.jd-js .page-hero .desc { animation: jdUp2 .7s cubic-bezier(.2, .7, .3, 1) .22s both; }
.jd-js .page-hero::after { animation: jdBar .9s cubic-bezier(.2, .8, .2, 1) .3s both; }

/* --- 11b. 公司简介页：顶部左文右图（与首页 hero 一致） --- */
.about-banner {
  position: relative; overflow: hidden; border-bottom: none;
  padding: 110px 0 96px; background: #141414;
}
.about-banner::before { display: none; }
.about-banner::after {
  content: ""; position: absolute; inset: 0; z-index: 0; display: block; pointer-events: none;
  background:
    radial-gradient(circle at 82% 24%, rgba(200, 22, 29, .16), transparent 46%),
    linear-gradient(100deg, #141414 0%, #1c1416 52%, #241a1a 100%);
}
.about-hero-grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.05fr .95fr; gap: 54px; align-items: center;
}
.about-banner .crumb { color: rgba(255, 255, 255, .55); }
.about-banner h1 { color: #fff; font-size: clamp(32px, 4.4vw, 52px); }
.about-banner .desc { color: rgba(255, 255, 255, .8); max-width: 560px; }
.about-banner h1::after {
  content: ""; display: block; width: 74px; height: 5px; background: var(--red); margin-top: 22px;
}
.ah-media {
  position: relative; border-radius: 4px; overflow: hidden; will-change: transform;
  border: 1px solid rgba(255, 255, 255, .14);
  box-shadow: 0 30px 60px -22px rgba(0, 0, 0, .6);
  aspect-ratio: 4 / 3; background: #0d0d0d;
}
.ah-media img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  animation: kbBanner 26s ease-in-out infinite alternate;
}
.ah-media::after {
  content: ""; position: absolute; left: 0; bottom: 0; width: 88px; height: 5px; background: var(--red);
}
@keyframes kbBanner { from { transform: scale(1.03); } to { transform: scale(1.13); } }
.banner-scroll {
  position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  color: rgba(255, 255, 255, .62); font-size: 10px; letter-spacing: 4px;
}
.banner-scroll i { display: block; width: 1px; height: 42px; background: rgba(255, 255, 255, .25); position: relative; overflow: hidden; }
.banner-scroll i::after {
  content: ""; position: absolute; left: 0; top: -42px; width: 1px; height: 42px; background: var(--red);
  animation: jdScrollLine 2.2s ease-in-out infinite;
}
@keyframes jdScrollLine { 0% { top: -42px; } 60%, 100% { top: 42px; } }

/* --- 12. 内页卡片/图标增强 --- */
.market-card .mi { transition: transform .35s cubic-bezier(.2, .7, .3, 1), background .25s; }
.market-card:hover .mi { transform: translateY(-4px) rotate(-6deg) scale(1.06); }
.value-card { transition: border-color .25s, transform .3s, box-shadow .3s; }
.value-card:hover { border-top-color: var(--red-dark); box-shadow: 0 18px 40px -22px rgba(26, 26, 26, .25); }
.tri-card { transition: transform .3s, border-color .25s, box-shadow .3s; }
.tri-card:hover { border-color: rgba(200, 22, 29, .45); box-shadow: 0 18px 40px -24px rgba(26, 26, 26, .22); }
.jd-js .about-paras p { transition: color .25s; }
.jd-js .about-paras.reveal.in p:hover { color: var(--ink); }

/* --- 13. 视差元素 --- */
.jd-js .prod-block .p-img, .jd-js .cert-img, .jd-js .article .cover { will-change: transform; }

/* --- 14. 产品/新闻列表 hover 微动 --- */
.news-row, .dl-row { transition: transform .25s, border-color .2s, box-shadow .25s; }
.news-row:hover, .dl-row:hover { transform: translateX(4px); }
.prod-block .p-img img { transition: transform .5s cubic-bezier(.2, .7, .3, 1); }
.prod-block:hover .p-img img { transform: scale(1.02); }