/* ============================================================
   体之道 · 官网样式
   品牌准色取自 logo 实测：#0084FA（原图 75.4% 像素占比）
   与 apps/mobile/uni.scss 同一套视觉语言
   纯静态零依赖
   ============================================================ */

:root {
  --primary: #0084FA;
  --primary-d: #0062D6;
  --primary-dd: #00429B;
  --primary-l: #E8F4FF;
  --primary-glow: rgba(0, 132, 250, .35);

  --ink: #0F1B2D;
  --ink-2: #44506B;
  --ink-3: #7A8699;
  --ink-4: #A8B2C1;

  --line: #E6EBF2;
  --bg: #FFFFFF;
  --bg-soft: #F6F9FD;
  --dark: #071628;
  --dark-2: #0D2440;

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-full: 999px;

  --sh-sm: 0 2px 8px rgba(15, 27, 45, .06);
  --sh: 0 12px 32px rgba(15, 27, 45, .10);
  --sh-lg: 0 24px 64px rgba(0, 66, 155, .18);
  --sh-brand: 0 12px 32px rgba(0, 132, 250, .30);

  --max: 1180px;
  --pad: 24px;
  --ease: cubic-bezier(.22, .61, .36, 1);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
               "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; border: 0; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }

/* ---------------- 布局 ---------------- */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--pad); }

.section { padding: 104px 0; position: relative; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: 72px 0; }

/* ---------------- 通用文本 ---------------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .06em;
  color: var(--primary); text-transform: uppercase;
  background: var(--primary-l); padding: 6px 14px; border-radius: var(--r-full);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--primary); box-shadow: 0 0 0 3px rgba(0, 132, 250, .18);
}
.eyebrow--dark { background: rgba(255, 255, 255, .12); color: #fff; }
.eyebrow--dark::before { background: #7CC4FF; box-shadow: 0 0 0 3px rgba(124, 196, 255, .22); }

h1, h2, h3, h4 { margin: 0; font-weight: 700; line-height: 1.25; letter-spacing: -.02em; }
.h1 { font-size: 58px; letter-spacing: -.035em; line-height: 1.12; }
.h2 { font-size: 40px; letter-spacing: -.03em; }
.h3 { font-size: 20px; letter-spacing: -.01em; }

.lead { font-size: 18px; color: var(--ink-2); line-height: 1.75; margin: 20px 0 0; max-width: 620px; }
.sec-head { max-width: 720px; margin-bottom: 56px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head--center .lead { margin-left: auto; margin-right: auto; }

/* ---------------- 按钮 ---------------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 28px; border-radius: var(--r-full);
  font-size: 16px; font-weight: 600; white-space: nowrap;
  transition: transform .22s var(--ease), box-shadow .22s var(--ease),
              background .22s var(--ease), color .22s var(--ease);
}
.btn:active { transform: scale(.97); }
.btn svg { width: 20px; height: 20px; flex: none; }

.btn--primary { background: var(--primary); color: #fff; box-shadow: var(--sh-brand); }
.btn--primary:hover { background: var(--primary-d); transform: translateY(-2px); box-shadow: 0 16px 40px rgba(0, 132, 250, .38); }

.btn--white { background: #fff; color: var(--primary-d); box-shadow: 0 14px 34px rgba(0, 30, 80, .24); }
.btn--white:hover { transform: translateY(-2px); box-shadow: 0 20px 48px rgba(0, 30, 80, .32); color: var(--primary-dd); }

.btn--ghost { background: rgba(255, 255, 255, .14); color: #fff; border: 1px solid rgba(255, 255, 255, .34); backdrop-filter: blur(8px); }
.btn--ghost:hover { background: rgba(255, 255, 255, .24); transform: translateY(-2px); }

.btn--outline { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.btn--outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--sh-sm); }

.btn--sm { height: 42px; padding: 0 20px; font-size: 14px; }
.btn--block { width: 100%; }

.btn[disabled], .btn--soon { background: #EDF1F6; color: var(--ink-4); box-shadow: none; cursor: not-allowed; }
.btn--soon:hover { transform: none; }

/* ---------------- 顶部导航 ---------------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 90;
  transition: background .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  border-bottom: 1px solid transparent;
}
.site-header .wrap { display: flex; align-items: center; gap: 32px; height: 72px; max-width: 1280px; }

.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand img { width: 36px; height: 36px; border-radius: 10px; }
.brand b { font-size: 19px; font-weight: 700; letter-spacing: .04em; color: #fff; transition: color .3s; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav a {
  padding: 8px 15px; border-radius: var(--r-full); font-size: 15px; font-weight: 500;
  color: rgba(255, 255, 255, .88); transition: background .22s, color .22s;
}
.nav a:hover { background: rgba(255, 255, 255, .16); color: #fff; }

/* 外跳项（武学数字人 → /demo/）：右上角小箭头，暗示会在新窗口打开 */
.nav-ext { display: inline-flex; margin-left: 3px; vertical-align: -1px; }
.nav-ext svg { width: 12px; height: 12px; opacity: .7; transition: opacity .22s, transform .22s; }
.nav a:hover .nav-ext svg { opacity: 1; transform: translate(1px, -1px); }

.site-header .btn--sm { margin-left: 12px; }
.site-header .btn--primary { box-shadow: 0 6px 18px rgba(0, 132, 250, .34); }

/* 滚动后变为白底 */
.site-header.is-solid {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(16px);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px rgba(15, 27, 45, .05);
}
.site-header.is-solid .brand b { color: var(--ink); }
.site-header.is-solid .nav a { color: var(--ink-2); }
.site-header.is-solid .nav a:hover { background: var(--primary-l); color: var(--primary); }

.nav-toggle { display: none; width: 42px; height: 42px; margin-left: auto; border-radius: 12px; }
.nav-toggle span { display: block; width: 20px; height: 2px; background: #fff; margin: 4px auto; border-radius: 2px; transition: .25s; }
.site-header.is-solid .nav-toggle span { background: var(--ink); }

/* ---------------- Hero ---------------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(158deg, #0A3C8F 0%, #0062D6 38%, #008BFF 78%, #23A2FF 100%);
  padding: 148px 0 0;
  color: #fff;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 90% 70% at 70% 20%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 20%, #000 30%, transparent 75%);
}
.hero::after {
  content: ""; position: absolute; width: 760px; height: 760px; right: -180px; top: -280px;
  background: radial-gradient(circle, rgba(120, 205, 255, .45), transparent 62%);
  pointer-events: none;
}
.hero-mark {
  position: absolute; right: 2%; bottom: -6%; width: 560px; max-width: 46vw;
  opacity: .10; pointer-events: none; user-select: none;
  filter: drop-shadow(0 0 60px rgba(255, 255, 255, .3));
}
.hero .wrap { position: relative; z-index: 2; }

.hero-grid { display: grid; grid-template-columns: 1fr 420px; gap: 56px; align-items: center; }

.hero-copy { padding-bottom: 96px; }
.hero h1 { font-size: 60px; letter-spacing: -.04em; }
.hero h1 em { font-style: normal; color: #A8DCFF; }
.hero .lead { color: rgba(255, 255, 255, .86); font-size: 18px; max-width: 540px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 36px; }

.hero-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-chips span {
  display: inline-flex; align-items: center; gap: 7px;
  height: 34px; padding: 0 15px; border-radius: var(--r-full);
  background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .2);
  font-size: 13.5px; color: rgba(255, 255, 255, .94); backdrop-filter: blur(6px);
}
.hero-chips i { width: 6px; height: 6px; border-radius: 50%; background: #7CC4FF; }

.hero-plat { display: flex; align-items: center; gap: 10px; margin-top: 34px; font-size: 13px; color: rgba(255, 255, 255, .7); }
.hero-plat b { font-weight: 600; color: rgba(255, 255, 255, .92); }
.hero-plat .dot { width: 3px; height: 3px; border-radius: 50%; background: rgba(255, 255, 255, .4); }

/* ---------------- 手机模型 ---------------- */
.phone {
  position: relative; width: 320px; height: 660px; flex: none;
  background: #0B1220; border-radius: 44px; padding: 11px;
  box-shadow: 0 40px 90px rgba(0, 30, 80, .42), 0 0 0 2px rgba(255, 255, 255, .16),
              inset 0 0 0 1px rgba(255, 255, 255, .1);
}
.phone::before {  /* 听筒 / 灵动岛 */
  content: ""; position: absolute; top: 22px; left: 50%; transform: translateX(-50%);
  width: 88px; height: 26px; border-radius: var(--r-full); background: #0B1220; z-index: 6;
}
.phone-screen {
  width: 100%; height: 100%; border-radius: 34px; overflow: hidden;
  background: #F5F7FA; position: relative; display: flex; flex-direction: column;
}
.phone--lg { width: 348px; height: 716px; }
.phone--shadow { box-shadow: 0 50px 110px rgba(0, 30, 80, .34), 0 0 0 1px rgba(15, 27, 45, .1); }

/* 状态栏 */
.p-status {
  height: 48px; flex: none; display: flex; align-items: center; justify-content: space-between;
  padding: 0 26px 0 30px; font-size: 13px; font-weight: 600; color: #fff;
  position: relative; z-index: 5;
}
.p-status--dark { color: var(--ink); }
/* 地图屏顶栏：底色是浅色地图，白字会糊掉 —— 换深字 + 一层白到透明的压暗 */
.p-status--map {
  color: #10203A; height: 54px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .96) 0%, rgba(255, 255, 255, .66) 62%, rgba(255, 255, 255, 0) 100%);
}
.p-status--map .p-icons i { opacity: .92; }
.p-status .p-icons { display: flex; gap: 5px; align-items: center; }
.p-status .p-icons i { display: block; width: 15px; height: 10px; border-radius: 2px; background: currentColor; opacity: .85; }
.p-status .p-icons i:last-child { width: 22px; }

/* 地图屏 */
.map-canvas { position: absolute; inset: 0; background: #E9F2E8; overflow: hidden; }
.map-canvas .blk { position: absolute; border-radius: 6px; }
.map-canvas .water { position: absolute; left: -8%; top: 52%; width: 76%; height: 13%;
  background: #B9DDF5; border-radius: 40% 60% 50% 50% / 60% 40% 60% 40%; transform: rotate(-7deg); }
.map-canvas .park { position: absolute; right: -6%; top: 8%; width: 52%; height: 26%;
  background: #CDE8C8; border-radius: 34px; }
.map-canvas .blk.b1 { left: 6%; top: 12%; width: 30%; height: 16%; background: #DDE6DE; }
.map-canvas .blk.b2 { left: 8%; top: 34%; width: 24%; height: 12%; background: #E2EAE2; }
.map-canvas .blk.b3 { right: 8%; bottom: 22%; width: 30%; height: 14%; background: #DFE8DF; }
.map-canvas .road { position: absolute; background: #fff; box-shadow: 0 0 0 .5px rgba(0, 0, 0, .04); }
.map-canvas .road.h { height: 13px; left: -10%; width: 120%; }
.map-canvas .road.v { width: 13px; top: -10%; height: 120%; }
.map-canvas .road.h.r1 { top: 30%; }
.map-canvas .road.h.r2 { top: 66%; }
.map-canvas .road.v.r3 { left: 38%; }
.map-canvas .road.v.r4 { left: 72%; }
.map-canvas .road.thin { background: #F5F7F5; }

.pin {
  position: absolute; left: var(--x); top: var(--y); transform: translate(-50%, -100%);
  display: flex; flex-direction: column; align-items: center; z-index: 3;
}
.pin .head {
  padding: 5px 11px; border-radius: var(--r-full); background: #fff; color: var(--ink);
  font-size: 11.5px; font-weight: 700; white-space: nowrap;
  box-shadow: 0 4px 12px rgba(15, 27, 45, .18); border: 1.5px solid #fff;
}
.pin .head b { color: var(--primary); }
.pin .tip { width: 2px; height: 9px; background: rgba(15, 27, 45, .22); }
.pin .foot { width: 9px; height: 9px; border-radius: 50%; background: var(--primary); box-shadow: 0 0 0 4px rgba(0, 132, 250, .22); }
.pin--me .head { background: var(--primary); color: #fff; }
.pin--me .head b { color: #fff; }
.pin--me .foot { background: #fff; border: 2.5px solid var(--primary); box-shadow: 0 0 0 5px rgba(0, 132, 250, .26); }
.pin .pulse {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  width: 9px; height: 9px; border-radius: 50%; background: rgba(0, 132, 250, .5);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  0% { transform: translateX(-50%) scale(1); opacity: .7; }
  100% { transform: translateX(-50%) scale(5); opacity: 0; }
}

/* 地图屏上的浮层 */
.map-search {
  position: absolute; top: 56px; left: 14px; right: 14px; z-index: 4;
  height: 42px; border-radius: var(--r-full); background: #fff;
  display: flex; align-items: center; gap: 9px; padding: 0 15px;
  box-shadow: 0 6px 18px rgba(15, 27, 45, .12); font-size: 13.5px; color: var(--ink-4);
}
.map-search .brand-dot { width: 18px; height: 18px; border-radius: 5px; background: var(--primary); flex: none; }

.map-cats { position: absolute; top: 108px; left: 14px; right: 14px; z-index: 4; display: flex; gap: 7px; overflow: hidden; }
.map-cats span {
  flex: none; height: 30px; padding: 0 13px; border-radius: var(--r-full); background: rgba(255, 255, 255, .96);
  display: flex; align-items: center; font-size: 12.5px; font-weight: 500; color: var(--ink-2);
  box-shadow: 0 3px 10px rgba(15, 27, 45, .1);
}
.map-cats span.on { background: var(--primary); color: #fff; }

.map-fab {
  position: absolute; right: 14px; bottom: 214px; z-index: 4;
  width: 40px; height: 40px; border-radius: 12px; background: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(15, 27, 45, .14);
}
.map-fab svg { width: 19px; height: 19px; color: var(--primary); }

/* 底部场馆卡片 */
.map-sheet {
  position: absolute; left: 0; right: 0; bottom: 0; z-index: 5;
  background: #fff; border-radius: 20px 20px 0 0; padding: 14px 14px 10px;
  box-shadow: 0 -8px 28px rgba(15, 27, 45, .12);
}
.map-sheet .grab { width: 34px; height: 4px; border-radius: 2px; background: #DDE3EC; margin: 0 auto 11px; }
.map-sheet .scroller { display: flex; gap: 11px; overflow: hidden; }
.vcard {
  flex: none; width: 214px; border-radius: 14px; background: #F8FAFC; border: 1px solid var(--line);
  overflow: hidden;
}
.vcard .vimg { height: 84px; background: linear-gradient(135deg, #1F8BFF, #0A5FD0); position: relative; }
.vcard .vimg::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 78% 26%, rgba(255, 255, 255, .34), transparent 55%);
}
.vcard .vimg .tag {
  position: absolute; left: 8px; top: 8px; font-size: 10.5px; font-weight: 600;
  background: rgba(255, 255, 255, .9); color: var(--primary-d); padding: 2px 8px; border-radius: var(--r-full);
}
.vcard .vbody { padding: 9px 11px 11px; }
.vcard .vname { font-size: 13.5px; font-weight: 700; color: var(--ink); }
.vcard .vmeta { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--ink-3); margin-top: 3px; }
.vcard .vmeta em { font-style: normal; color: #FF9A2E; font-weight: 700; }
.vcard .vprice { margin-top: 6px; font-size: 15px; font-weight: 800; color: #FF4D4F; }
.vcard .vprice small { font-size: 10.5px; font-weight: 500; color: var(--ink-3); }

/* 通用手机屏内容 */
.p-body { flex: 1; overflow: hidden; position: relative; display: flex; flex-direction: column; }
.p-tabbar {
  flex: none; height: 58px; background: #fff; border-top: 1px solid var(--line);
  display: flex; align-items: center; padding-bottom: 4px;
}
.p-tabbar div { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 10px; color: var(--ink-4); }
.p-tabbar div.on { color: var(--primary); }
.p-tabbar i { width: 21px; height: 21px; border-radius: 6px; background: currentColor; opacity: .22; }
.p-tabbar div.on i { opacity: 1; }

.p-nav {
  flex: none; height: 46px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 15px; background: #fff; border-bottom: 1px solid var(--line);
  font-size: 14.5px; font-weight: 700;
}
.p-nav em { font-style: normal; font-size: 11.5px; font-weight: 500; color: var(--primary); }

.p-scroll { flex: 1; overflow: hidden; padding: 12px; background: #F5F7FA; }

/* 商户工作台屏 */
.m-metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
.m-metric { background: #fff; border-radius: 13px; padding: 12px; box-shadow: var(--sh-sm); }
.m-metric .k { font-size: 11px; color: var(--ink-3); }
.m-metric .v { font-size: 21px; font-weight: 800; color: var(--ink); letter-spacing: -.03em; margin-top: 2px; }
.m-metric .v em { font-style: normal; font-size: 12px; font-weight: 600; color: var(--ink-3); }
.m-metric .v.up { color: #2BB673; }
.m-metric--hi { background: linear-gradient(140deg, #0084FA, #0059C8); }
.m-metric--hi .k, .m-metric--hi .v { color: #fff; }
.m-metric--hi .v { font-size: 23px; }

.m-list { margin-top: 11px; background: #fff; border-radius: 13px; overflow: hidden; box-shadow: var(--sh-sm); }
.m-row { display: flex; align-items: center; gap: 10px; padding: 11px 12px; border-bottom: 1px solid #F2F5F9; }
.m-row:last-child { border-bottom: 0; }
.m-row .m-ico { width: 32px; height: 32px; border-radius: 9px; background: var(--primary-l); flex: none;
  display: flex; align-items: center; justify-content: center; color: var(--primary); font-size: 13px; font-weight: 800; }
.m-row .m-txt { flex: 1; min-width: 0; }
.m-row .m-t1 { font-size: 13px; font-weight: 600; color: var(--ink); }
.m-row .m-t2 { font-size: 11px; color: var(--ink-3); margin-top: 1px; }
.m-row .m-tag { font-size: 10.5px; font-weight: 600; padding: 3px 9px; border-radius: var(--r-full); flex: none; }
.m-tag--on { background: #E6F7EF; color: #10A05C; }
.m-tag--off { background: #F1F4F8; color: var(--ink-3); }
.m-tag--new { background: #FFF1E3; color: #D97A0B; }

.m-toggle { width: 36px; height: 20px; border-radius: var(--r-full); background: var(--primary); position: relative; flex: none; }
.m-toggle::after { content: ""; position: absolute; top: 2px; right: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; }
.m-toggle.off { background: #D6DDE7; }
.m-toggle.off::after { right: auto; left: 2px; }

.p-btn-primary {
  height: 44px; border-radius: var(--r-full); background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700;
  box-shadow: var(--sh-brand); margin: 0 12px 14px;
}

/* Hero 手机装饰 */
.hero-phone-wrap { position: relative; display: flex; justify-content: center; }
.hero-phone-wrap .float-card {
  position: absolute; background: #fff; border-radius: 14px; padding: 11px 14px;
  box-shadow: 0 18px 44px rgba(0, 30, 80, .26); z-index: 8; animation: floaty 5s ease-in-out infinite;
}
.hero-phone-wrap .float-card .ft { font-size: 10.5px; color: var(--ink-3); }
.hero-phone-wrap .float-card .fv { font-size: 17px; font-weight: 800; color: var(--ink); letter-spacing: -.02em; }
.hero-phone-wrap .float-card .fv em { font-style: normal; color: #FF4D4F; }
.fc-1 { left: -26px; top: 108px; animation-delay: -1.4s; }
.fc-2 { right: -30px; bottom: 172px; animation-delay: -3s; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-11px); } }

/* Hero 底部波浪过渡 */
.hero-wave { display: block; width: 100%; height: 90px; margin-top: -1px; position: relative; z-index: 3; }

/* ---------------- 能力条 ---------------- */
.capbar { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: -46px; position: relative; z-index: 4; }
.capbar-inner {
  grid-column: 1 / -1;
  background: #fff; border-radius: var(--r-lg); box-shadow: var(--sh-lg);
  display: grid; grid-template-columns: repeat(4, 1fr); overflow: hidden;
}
.cap { padding: 30px 26px; display: flex; gap: 14px; align-items: flex-start; border-right: 1px solid var(--line); }
.cap:last-child { border-right: 0; }
.cap .ico {
  width: 42px; height: 42px; border-radius: 12px; flex: none;
  background: var(--primary-l); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.cap .ico svg { width: 22px; height: 22px; }
.cap h4 { font-size: 15.5px; letter-spacing: 0; }
.cap p { margin: 3px 0 0; font-size: 13px; color: var(--ink-3); line-height: 1.55; }

/* ---------------- 功能大卡 ---------------- */
.fgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.fcard {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 34px; position: relative; overflow: hidden;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
}
.fcard:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); border-color: transparent; }
.fcard .fnum {
  position: absolute; right: 26px; top: 20px; font-size: 62px; font-weight: 800;
  color: var(--primary-l); letter-spacing: -.05em; line-height: 1; user-select: none;
}
.fcard .ico-lg {
  width: 54px; height: 54px; border-radius: 16px; background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center; box-shadow: var(--sh-brand);
  margin-bottom: 22px;
}
.fcard .ico-lg svg { width: 27px; height: 27px; }
.fcard p { margin: 12px 0 0; color: var(--ink-2); font-size: 15px; line-height: 1.72; }
.flist { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 9px; }
.flist li { display: flex; gap: 9px; align-items: flex-start; font-size: 14px; color: var(--ink-2); }
.flist li svg { width: 17px; height: 17px; flex: none; margin-top: 4px; color: var(--primary); }

/* ---------------- 数字人专区（深色） ---------------- */
.dh { background: linear-gradient(165deg, #071628 0%, #0B2447 52%, #0A2E5C 100%); color: #fff; overflow: hidden; }
.dh::before {
  content: ""; position: absolute; width: 900px; height: 900px; left: -320px; top: -340px;
  background: radial-gradient(circle, rgba(0, 132, 250, .34), transparent 62%); pointer-events: none;
}
.dh-grid { display: grid; grid-template-columns: 1fr 400px; gap: 64px; align-items: center; position: relative; z-index: 2; }
.dh h2 { color: #fff; }
.dh .lead { color: rgba(255, 255, 255, .74); }

.dh-feats { margin-top: 40px; display: grid; gap: 18px; }
.dh-feat { display: flex; gap: 16px; align-items: flex-start; }
.dh-feat .ico {
  width: 44px; height: 44px; border-radius: 13px; flex: none;
  background: rgba(0, 132, 250, .18); border: 1px solid rgba(0, 132, 250, .34); color: #7CC4FF;
  display: flex; align-items: center; justify-content: center;
}
.dh-feat .ico svg { width: 22px; height: 22px; }
.dh-feat h4 { font-size: 16.5px; color: #fff; letter-spacing: 0; }
.dh-feat p { margin: 4px 0 0; font-size: 14px; color: rgba(255, 255, 255, .62); line-height: 1.65; }

.dh-note {
  margin-top: 36px; padding: 16px 18px; border-radius: 14px;
  background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px; color: rgba(255, 255, 255, .66); display: flex; gap: 11px; align-items: flex-start;
}
.dh-note svg { width: 17px; height: 17px; flex: none; color: #7CC4FF; margin-top: 3px; }

/* 数字人对话面板 */
.chat-panel {
  background: rgba(255, 255, 255, .07); border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--r-lg); padding: 22px; backdrop-filter: blur(14px);
  box-shadow: 0 30px 70px rgba(0, 0, 0, .34);
}
.chat-head { display: flex; align-items: center; gap: 12px; padding-bottom: 16px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.chat-head .ava {
  width: 46px; height: 46px; border-radius: 50%; flex: none; position: relative;
  background: linear-gradient(140deg, #0084FA, #00C2FF);
  display: flex; align-items: center; justify-content: center;
}
.chat-head .ava img { width: 30px; height: 30px; }
.chat-head .ava::after {
  content: ""; position: absolute; inset: -4px; border-radius: 50%;
  border: 1px solid rgba(0, 194, 255, .34); animation: ring 2.6s ease-out infinite;
}
@keyframes ring { 0% { transform: scale(.86); opacity: .9; } 100% { transform: scale(1.24); opacity: 0; } }
.chat-head b { font-size: 16px; display: block; }
.chat-head span { font-size: 12px; color: rgba(255, 255, 255, .56); display: flex; align-items: center; gap: 5px; }
.chat-head span i { width: 6px; height: 6px; border-radius: 50%; background: #2BE38A; }

.chat-body { padding: 18px 0; display: grid; gap: 13px; min-height: 258px; }
.bubble { max-width: 84%; padding: 11px 15px; border-radius: 15px; font-size: 14px; line-height: 1.62; }
.bubble--me { margin-left: auto; background: var(--primary); color: #fff; border-bottom-right-radius: 5px; }
.bubble--ai { background: rgba(255, 255, 255, .1); color: rgba(255, 255, 255, .92); border-bottom-left-radius: 5px; }
.bubble--ai b { color: #7CC4FF; }
.typing { display: inline-flex; gap: 4px; align-items: center; padding: 4px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: rgba(255, 255, 255, .5); animation: blink 1.3s infinite; }
.typing i:nth-child(2) { animation-delay: .18s; }
.typing i:nth-child(3) { animation-delay: .36s; }
@keyframes blink { 0%, 60%, 100% { opacity: .3; transform: translateY(0); } 30% { opacity: 1; transform: translateY(-3px); } }

.chat-foot { display: flex; gap: 9px; padding-top: 16px; border-top: 1px solid rgba(255, 255, 255, .1); }
.chat-foot .ask {
  flex: 1; height: 42px; border-radius: var(--r-full); background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .14); display: flex; align-items: center;
  padding: 0 16px; font-size: 13px; color: rgba(255, 255, 255, .48);
}
.chat-foot .send {
  width: 42px; height: 42px; border-radius: 50%; flex: none; background: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.chat-foot .send svg { width: 19px; height: 19px; color: #fff; }

/* ---------------- 流程 ---------------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; counter-reset: s; }
.step { position: relative; padding-top: 12px; }
.step .n {
  width: 46px; height: 46px; border-radius: 14px; background: var(--primary-l); color: var(--primary);
  display: flex; align-items: center; justify-content: center; font-size: 18px; font-weight: 800;
  position: relative; z-index: 2;
}
.step h4 { margin-top: 20px; font-size: 18px; }
.step p { margin: 9px 0 0; color: var(--ink-2); font-size: 14.5px; }
.steps--line .step::after {
  content: ""; position: absolute; left: 60px; top: 34px; right: -26px; height: 1.5px;
  height: 2px;
  background-image: repeating-linear-gradient(90deg, #C9D8EA 0 9px, transparent 9px 17px);
}
.steps--line .step:last-child::after { display: none; }

/* ---------------- 双端对照 ---------------- */
.duo { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; }
.duo-card { border-radius: var(--r-lg); padding: 38px; border: 1px solid var(--line); background: #fff; position: relative; overflow: hidden; }
.duo-card--b { background: linear-gradient(160deg, #F3F8FF, #EAF3FF); border-color: #D3E7FF; }
.duo-card .role {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 700;
  padding: 6px 14px; border-radius: var(--r-full); background: var(--primary); color: #fff; margin-bottom: 20px;
}
.duo-card--b .role { background: #fff; color: var(--primary); border: 1px solid #C6E0FF; }
.duo-card h3 { font-size: 24px; }
.duo-card p { color: var(--ink-2); font-size: 15px; margin: 12px 0 0; }
.duo-list { margin: 24px 0 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.duo-list li { display: flex; gap: 11px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); }
.duo-list li svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--primary); }
.duo-list li b { color: var(--ink); font-weight: 600; }

/* ---------------- 三端 ---------------- */
.plats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.plat {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 32px; text-align: center; transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.plat:hover { transform: translateY(-4px); box-shadow: var(--sh-lg); }
.plat .pico {
  width: 60px; height: 60px; margin: 0 auto 18px; border-radius: 18px;
  background: var(--primary-l); color: var(--primary);
  display: flex; align-items: center; justify-content: center;
}
.plat .pico svg { width: 32px; height: 32px; }
.plat h4 { font-size: 18px; }
.plat p { margin: 8px 0 0; font-size: 13.5px; color: var(--ink-3); }
.plat .badge {
  display: inline-block; margin-top: 14px; font-size: 12px; font-weight: 600;
  padding: 4px 12px; border-radius: var(--r-full); background: #E6F7EF; color: #10A05C;
}

/* ---------------- 下载区 ---------------- */
.dl {
  background: linear-gradient(155deg, #0A3C8F, #0062D6 45%, #0089FF);
  color: #fff; overflow: hidden; position: relative;
}
.dl::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle at 22% 18%, rgba(255, 255, 255, .16), transparent 42%),
                    radial-gradient(circle at 84% 82%, rgba(120, 205, 255, .26), transparent 46%);
}
.dl-mark { position: absolute; left: -70px; bottom: -70px; width: 420px; opacity: .08; pointer-events: none; }
.dl .wrap { position: relative; z-index: 2; }
.dl-grid { display: grid; grid-template-columns: 1fr auto; gap: 56px; align-items: center; }
.dl h2 { color: #fff; font-size: 42px; }

.dl-soon {
  display: inline-flex; align-items: center; gap: 9px; margin-bottom: 20px;
  padding: 7px 16px; border-radius: var(--r-full); background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .26); font-size: 13.5px; font-weight: 600;
}
.dl-soon i { width: 7px; height: 7px; border-radius: 50%; background: #7DFFC0; animation: blink 1.6s infinite; }

.dl-btns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.dl-btn {
  display: flex; align-items: center; gap: 12px; padding: 12px 22px; border-radius: 15px;
  background: rgba(255, 255, 255, .13); border: 1px solid rgba(255, 255, 255, .26);
  backdrop-filter: blur(8px); transition: background .22s, transform .22s;
}
.dl-btn:hover { background: rgba(255, 255, 255, .22); transform: translateY(-2px); }
.dl-btn svg { width: 26px; height: 26px; flex: none; }
.dl-btn .t { text-align: left; line-height: 1.3; }
.dl-btn .t small { display: block; font-size: 11px; color: rgba(255, 255, 255, .64); }
.dl-btn .t b { font-size: 15px; }

.dl-qr {
  background: #fff; border-radius: var(--r-lg); padding: 22px; text-align: center;
  box-shadow: 0 24px 60px rgba(0, 30, 80, .3); color: var(--ink);
}
.dl-qr .qr-box {
  width: 168px; height: 168px; border-radius: 14px; border: 2px dashed #C9D6E5;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  color: var(--ink-4); font-size: 12.5px; background: #F8FAFD;
}
.dl-qr .qr-box svg { width: 40px; height: 40px; color: #C9D6E5; }
.dl-qr .cap { margin-top: 14px; font-size: 13px; color: var(--ink-3); line-height: 1.6; }
.dl-qr .cap b { color: var(--ink); }

.dl-contact { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 26px; font-size: 14px; color: rgba(255, 255, 255, .78); }
.dl-contact a { display: inline-flex; align-items: center; gap: 7px; border-bottom: 1px solid rgba(255, 255, 255, .3); padding-bottom: 2px; }
.dl-contact a:hover { color: #fff; border-bottom-color: #fff; }
.dl-contact svg { width: 16px; height: 16px; }

/* ---------------- FAQ ---------------- */
.faq { max-width: 840px; margin: 0 auto; display: grid; gap: 12px; }
.qa {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.qa[open] { border-color: #CBE3FF; box-shadow: 0 8px 26px rgba(0, 132, 250, .1); }
.qa summary {
  list-style: none; cursor: pointer; padding: 19px 22px;
  display: flex; align-items: center; gap: 14px; font-size: 16px; font-weight: 600;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after {
  content: ""; margin-left: auto; width: 9px; height: 9px; flex: none;
  border-right: 2px solid var(--ink-3); border-bottom: 2px solid var(--ink-3);
  transform: rotate(45deg) translateY(-2px); transition: transform .25s var(--ease);
}
.qa[open] summary::after { transform: rotate(-135deg) translateY(-2px); border-color: var(--primary); }
.qa .a { padding: 0 22px 21px; color: var(--ink-2); font-size: 14.5px; line-height: 1.78; }
.qa .a p { margin: 0 0 9px; }
.qa .a p:last-child { margin-bottom: 0; }

/* ---------------- 页脚 ---------------- */
.site-footer { background: #061223; color: rgba(255, 255, 255, .62); padding: 68px 0 30px; font-size: 14px; }
.ft-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 44px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.ft-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.ft-brand img { width: 38px; height: 38px; border-radius: 11px; }
.ft-brand b { font-size: 19px; color: #fff; letter-spacing: .04em; }
.site-footer p { margin: 0 0 10px; line-height: 1.75; max-width: 320px; font-size: 13.5px; }
.ft-col h5 { margin: 0 0 16px; font-size: 14px; color: #fff; font-weight: 600; }
.ft-col a { display: block; padding: 6px 0; font-size: 13.5px; transition: color .2s; }
.ft-col a:hover { color: var(--primary); }
.ft-bot { padding-top: 24px; display: flex; flex-wrap: wrap; gap: 14px 26px; align-items: center; justify-content: space-between; font-size: 13px; }
.ft-bot .links { display: flex; flex-wrap: wrap; gap: 20px; }
.ft-bot a:hover { color: var(--primary); }
.ft-ico { display: flex; gap: 10px; margin-top: 18px; }
.ft-ico span {
  width: 34px; height: 34px; border-radius: 10px; background: rgba(255, 255, 255, .08);
  display: flex; align-items: center; justify-content: center;
}
.ft-ico svg { width: 17px; height: 17px; }

/* ---------------- 法律页 ---------------- */
.doc-hero { background: linear-gradient(150deg, #0A3C8F, #0062D6 60%, #0089FF); color: #fff; padding: 128px 0 60px; }
.doc-hero h1 { font-size: 38px; color: #fff; }
.doc-hero p { margin: 12px 0 0; color: rgba(255, 255, 255, .76); font-size: 14.5px; }
.doc-body { padding: 56px 0 96px; }
.doc-inner { max-width: 800px; margin: 0 auto; }
.doc-inner h2 { font-size: 21px; margin: 40px 0 14px; padding-left: 14px; border-left: 4px solid var(--primary); }
.doc-inner h2:first-child { margin-top: 0; }
.doc-inner h3 { font-size: 16.5px; margin: 24px 0 10px; }
.doc-inner p, .doc-inner li { color: var(--ink-2); font-size: 15px; line-height: 1.85; }
.doc-inner ul, .doc-inner ol { padding-left: 22px; margin: 10px 0; }
.doc-inner li { margin-bottom: 7px; }
.doc-inner table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.doc-inner th, .doc-inner td { border: 1px solid var(--line); padding: 10px 13px; text-align: left; vertical-align: top; }
.doc-inner th { background: var(--bg-soft); font-weight: 600; color: var(--ink); }
.doc-inner .tipbox {
  background: var(--primary-l); border: 1px solid #CBE3FF; border-radius: 12px;
  padding: 15px 18px; margin: 18px 0; font-size: 14px; color: var(--primary-dd); line-height: 1.7;
}
.doc-back { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, .82); margin-bottom: 22px; }
.doc-back:hover { color: #fff; }
.doc-back svg { width: 16px; height: 16px; }

/* ---------------- 入场动画 ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-d="1"] { transition-delay: .09s; }
.reveal[data-d="2"] { transition-delay: .18s; }
.reveal[data-d="3"] { transition-delay: .27s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  .hero-phone-wrap .float-card, .pin .pulse, .chat-head .ava::after { animation: none; }
}

/* ---------------- 提示条 ---------------- */
.toast {
  position: fixed; left: 50%; bottom: 40px; transform: translate(-50%, 24px);
  background: #0F1B2D; color: #fff; padding: 13px 24px; border-radius: var(--r-full);
  font-size: 14.5px; box-shadow: 0 18px 44px rgba(15, 27, 45, .3);
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s; z-index: 200;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------------- 响应式 ---------------- */
@media (max-width: 1080px) {
  .h1, .hero h1 { font-size: 48px; }
  .h2 { font-size: 34px; }
  .hero-grid { grid-template-columns: 1fr 360px; gap: 36px; }
  .dh-grid { grid-template-columns: 1fr 360px; gap: 40px; }
  .phone { width: 300px; height: 620px; }
}

@media (max-width: 900px) {
  .nav, .site-header .btn--sm { display: none; }
  .nav-toggle { display: block; }
  .nav.is-open {
    display: flex; position: absolute; top: 72px; left: 16px; right: 16px;
    flex-direction: column; align-items: stretch; gap: 4px;
    background: #fff; border-radius: 18px; padding: 14px; box-shadow: var(--sh-lg);
  }
  .nav.is-open a { color: var(--ink-2); padding: 12px 15px; }
  .site-header.is-solid .nav.is-open a { color: var(--ink-2); }

  .hero { padding-top: 116px; }
  .hero-grid, .dh-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-copy { padding-bottom: 24px; }
  .hero-phone-wrap { justify-content: center; }
  .hero-mark { opacity: .07; right: -14%; }
  .fc-1 { left: 0; }
  .fc-2 { right: 0; }

  .capbar-inner { grid-template-columns: 1fr 1fr; }
  .cap { border-bottom: 1px solid var(--line); }
  .cap:nth-child(2n) { border-right: 0; }
  .cap:nth-child(n+3) { border-bottom: 0; }

  .fgrid, .duo, .steps, .plats { grid-template-columns: 1fr; }
  .steps--line .step::after { display: none; }

  .dl-grid { grid-template-columns: 1fr; gap: 40px; }
  .dl-qr { justify-self: start; }

  .ft-top { grid-template-columns: 1fr 1fr; gap: 32px; }

  .section { padding: 72px 0; }
}

@media (max-width: 620px) {
  :root { --pad: 18px; }
  .h1, .hero h1 { font-size: 36px; }
  .h2 { font-size: 27px; }
  .lead { font-size: 16px; }
  .hero { padding-top: 104px; }
  .hero .lead { font-size: 16px; }
  .btn { height: 48px; padding: 0 22px; font-size: 15px; }
  .hero-actions .btn { flex: 1 1 100%; }

  .phone, .phone--lg { width: 268px; height: 552px; border-radius: 38px; padding: 9px; }
  .phone::before { width: 74px; height: 22px; top: 18px; }
  .phone-screen { border-radius: 30px; }
  .hero-phone-wrap .float-card { padding: 9px 12px; }
  .fc-1 { left: -6px; top: 78px; }
  .fc-2 { right: -6px; bottom: 128px; }
  .map-sheet { padding: 12px 12px 8px; }
  .vcard { width: 190px; }
  .p-tabbar { height: 52px; }

  .capbar-inner { grid-template-columns: 1fr; }
  .cap { border-right: 0; border-bottom: 1px solid var(--line); }
  .cap:last-child { border-bottom: 0; }
  .capbar { margin-top: -30px; }

  .fcard, .duo-card { padding: 24px; }
  .fcard .fnum { font-size: 48px; right: 20px; top: 14px; }
  .dl h2 { font-size: 29px; }
  .dl-btn { flex: 1 1 100%; }
  .dl-contact { flex-direction: column; gap: 12px; }
  .ft-top { grid-template-columns: 1fr; }
  .section { padding: 62px 0; }
  .sec-head { margin-bottom: 38px; }
  .doc-hero { padding: 108px 0 44px; }
  .doc-hero h1 { font-size: 28px; }
  .doc-inner table { font-size: 13px; }
  .doc-inner th, .doc-inner td { padding: 8px 10px; }
}

/* 数字人区：在线演示入口 */
.dh-cta { margin-top: 28px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.dh-cta span { font-size: 13px; line-height: 1.55; color: rgba(255, 255, 255, .58); max-width: 290px; }
.ft-bot .links .icp { color: inherit; }