/* ==========================================================
   智能戒指 H5 · 设计系统
   ========================================================== */
:root{
  --primary:#2ED3C0;
  --primary-dark:#17B7A6;
  --primary-soft:#E6FAF7;
  --primary-shadow:rgba(46,211,192,.28);
  --accent:#FF5A45;
  --bg:#F5F6F7;
  --card:#FFFFFF;
  --text:#111111;
  --sub:#8C8C8C;
  --line:#EFEFEF;
  --red:#FF4D4F;
  --orange:#FF7A45;
  --amber:#FAAD14;
  --green:#52C41A;
  --blue:#40A9FF;
  --purple:#9254DE;
  --radius:16px;
  --shadow:0 2px 12px rgba(17,24,39,.04);
  --safe-bottom:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0;height:100%}
body{
  background:#EDEFF1;
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
#app{
  max-width:480px;margin:0 auto;min-height:100vh;background:var(--bg);
  position:relative;overflow-x:hidden;
  box-shadow:0 0 40px rgba(0,0,0,.06);
}
button{font-family:inherit;border:0;background:none;padding:0;cursor:pointer;color:inherit}
a{color:inherit;text-decoration:none}
input,select,textarea{font-family:inherit;font-size:15px;border:0;outline:0;background:none;color:var(--text)}

/* ---------- 顶栏 ---------- */
.nav{
  height:56px;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;position:sticky;top:0;z-index:20;
  background:rgba(245,246,247,.92);backdrop-filter:blur(12px);
}
.nav.grad{background:linear-gradient(180deg,#E4F8F5 0%,rgba(245,246,247,.92) 100%)}
.nav.left{height:64px;align-items:flex-end;padding-bottom:10px}
.nav-title{font-size:17px;font-weight:600;letter-spacing:.2px}
.nav-title-lg{font-size:26px;font-weight:700;letter-spacing:.5px;line-height:1.2}
.nav-left,.nav-right{display:flex;align-items:center;gap:14px;min-width:56px}
.nav-right{justify-content:flex-end}
.nav-btn{width:26px;height:26px;display:flex;align-items:center;justify-content:center;color:#222}
.nav-btn svg{width:22px;height:22px}

/* ---------- 页面容器 ---------- */
.page{padding-bottom:calc(76px + var(--safe-bottom));min-height:100vh}
.page.no-tab{padding-bottom:32px}
.page.grad-top{background:linear-gradient(180deg,#E4F8F5 0%,#F5F6F7 220px)}
.pad{padding:0 16px}
.sec{margin-top:14px}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow)}
.card+.card{margin-top:12px}
.card-title{font-size:16px;font-weight:600;display:flex;align-items:center;justify-content:space-between}
.card-sub{font-size:12px;color:var(--sub)}

/* ---------- 健康首页 ---------- */
.health-hero{
  background:linear-gradient(180deg,#E4F8F5 0%,#F5F6F7 100%);
  padding:0 16px 4px;
}
.hh-top{display:flex;align-items:center;justify-content:space-between}
.hh-title{font-size:26px;font-weight:700;letter-spacing:.5px}
.ring-wrap{display:flex;align-items:center;gap:14px;padding:6px 0 2px}
.ring-svg{width:168px;height:150px;flex:none}
.ring-stats{flex:1;display:flex;flex-direction:column;gap:10px}
.ring-stat{display:flex;align-items:center;gap:8px;font-size:13px;color:#333}
.ring-stat b{font-size:17px;font-weight:600;margin-left:auto;font-variant-numeric:tabular-nums}
.dot{width:7px;height:7px;border-radius:50%;flex:none}

/* 运动记录 */
.rec-head{display:flex;align-items:center;gap:8px}
.rec-icon{width:26px;height:26px;border-radius:50%;background:var(--primary-soft);display:flex;align-items:center;justify-content:center}
.rec-title{font-size:16px;font-weight:600}
.rec-sub{font-size:11px;color:var(--sub)}
.rec-grid{display:flex;margin:14px 0 12px}
.rec-cell{flex:1;text-align:center;position:relative}
.rec-cell+.rec-cell::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line)}
.rec-cell .lbl{font-size:12px;color:var(--sub);display:flex;align-items:center;justify-content:center;gap:4px}
.rec-cell .val{font-size:19px;font-weight:600;margin-top:4px;font-variant-numeric:tabular-nums}
.rec-cell .val span{font-size:11px;font-weight:400;color:var(--sub);margin-left:2px}
.btn-soft{
  display:flex;align-items:center;justify-content:center;gap:6px;width:100%;height:42px;
  border-radius:12px;background:var(--primary-soft);color:var(--primary-dark);font-size:14px;font-weight:500;
}
.btn-primary{
  display:flex;align-items:center;justify-content:center;width:100%;height:46px;border-radius:14px;
  background:var(--primary);color:#fff;font-size:16px;font-weight:600;
  box-shadow:0 6px 16px var(--primary-shadow);
}
.btn-accent{
  display:flex;align-items:center;justify-content:center;width:100%;height:46px;border-radius:14px;
  background:var(--primary);color:#fff;font-size:16px;font-weight:600;
}
.btn-ghost{
  display:flex;align-items:center;justify-content:center;width:100%;height:46px;border-radius:14px;
  border:1px solid var(--primary);color:var(--primary-dark);font-size:16px;font-weight:600;background:#fff;
}

/* 指标卡片网格 */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.mcard{
  background:#fff;border-radius:var(--radius);padding:14px;box-shadow:var(--shadow);
  min-height:112px;display:flex;flex-direction:column;gap:6px;position:relative;
}
.mcard .mhead{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500}
.mcard .micon{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.mcard .micon svg{width:15px;height:15px;color:#fff}
.mcard .mval{font-size:21px;font-weight:600;margin-top:2px;font-variant-numeric:tabular-nums}
.mcard .mval small{font-size:11px;color:var(--sub);font-weight:400;margin-left:2px}
.mcard .mempty{font-size:20px;font-weight:600;color:#333}
.mcard .bars{display:flex;gap:3px;margin-top:auto}
.mcard .bars i{height:3px;flex:1;border-radius:2px;display:block}
.mcard .spark{margin-top:auto}
.mcard .blood-dots{display:flex;align-items:center;justify-content:center;height:34px}
.mcard .wave{display:flex;align-items:flex-end;gap:3px;height:34px}
.mcard .wave i{width:4px;border-radius:2px;background:#BFE9FF}

/* ---------- 底部 Tab ---------- */
.tabbar{
  position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;
  height:calc(60px + var(--safe-bottom));padding-bottom:var(--safe-bottom);
  background:rgba(255,255,255,.96);backdrop-filter:blur(16px);
  border-top:1px solid #ECECEC;display:flex;z-index:30;
}
.tabbar a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#B5B5B5;font-size:11px}
.tabbar a svg{width:23px;height:23px}
.tabbar a.on{color:var(--primary-dark)}

/* ---------- 日期导航 ---------- */
.datenav{display:flex;align-items:center;justify-content:center;gap:26px;padding:8px 16px 10px}
.datenav .arrow{width:26px;height:26px;display:flex;align-items:center;justify-content:center;color:#C9C9C9}
.datenav .arrow:active{color:#888}
.datenav .d{font-size:15px;color:#444;font-variant-numeric:tabular-nums;min-width:110px;text-align:center}

/* ---------- 详情主图表卡 ---------- */
.chart-card{background:#fff;border-radius:18px;padding:18px 14px 8px;box-shadow:var(--shadow)}
.chart-avg{text-align:center;font-size:19px;font-weight:600;font-variant-numeric:tabular-nums}
.chart-range{text-align:center;font-size:11px;color:var(--sub);margin-top:2px}
.chart-body{position:relative;margin-top:6px}
.chart-body svg{width:100%;display:block}
.avgline{
  display:flex;align-items:center;justify-content:space-between;
  background:#F7F8F8;border-radius:10px;padding:11px 14px;margin-top:8px;font-size:13px;
}
.avgline b{font-variant-numeric:tabular-nums}
.avgline .v{color:#444;font-weight:600}

/* ---------- 最小/最大 ---------- */
.mm{display:flex;background:#fff;border-radius:18px;padding:18px 0;box-shadow:var(--shadow)}
.mm .cell{flex:1;text-align:center;position:relative}
.mm .cell+.cell::before{content:"";position:absolute;left:0;top:2px;bottom:2px;width:1px;background:#F0F0F0}
.mm .ico{height:26px;display:flex;align-items:center;justify-content:center;gap:2px}
.mm .lbl{font-size:13px;color:#666;margin-top:6px}
.mm .val{font-size:15px;font-weight:600;margin-top:8px;font-variant-numeric:tabular-nums}
.mm .val small{font-size:11px;font-weight:400;color:var(--sub);margin-left:2px}

/* ---------- 分布 ---------- */
.dist{display:flex;align-items:center;gap:18px;margin-top:12px}
.dist-legend{flex:1;display:flex;flex-direction:column;gap:10px}
.dist-row{display:flex;align-items:center;gap:8px;font-size:12.5px;color:#333}
.dist-row .nm{width:74px;display:flex;align-items:center;gap:6px}
.dist-row .rg{color:#666;width:66px;font-variant-numeric:tabular-nums}
.dist-row .pct{margin-left:auto;font-variant-numeric:tabular-nums;font-weight:500}

/* 参考区间条 */
.refbar{margin-top:10px}
.refbar .rb-top{display:flex;justify-content:space-between;font-size:12px;color:#666;margin-bottom:6px}
.rb-track{height:7px;border-radius:4px;position:relative;overflow:visible;display:flex;background:#F0F0F0}
.rb-track i{height:7px;display:block}
.rb-track i:first-child{border-radius:4px 0 0 4px}
.rb-track i:last-child{border-radius:0 4px 4px 0}
.rb-mark{position:absolute;top:-4px;width:2px;height:15px;background:#333;border-radius:1px}
.rb-scale{position:relative;height:16px;margin-top:6px;font-size:11px;color:#999}
.rb-scale span{position:absolute;transform:translateX(-50%);white-space:nowrap}
.rb-scale span:first-child{transform:none}
.rb-scale span:last-child{transform:translateX(-100%)}

/* ---------- AI 分析 ---------- */
.ai-card{background:#fff;border-radius:18px;padding:16px;box-shadow:var(--shadow)}
.ai-head{display:flex;align-items:center;gap:8px}
.ai-logo{
  width:24px;height:24px;border-radius:50%;flex:none;
  background:conic-gradient(from 210deg,#7B9CFF,#B98CFF,#7BE0D6,#7B9CFF);
}
.ai-title{font-size:15px;font-weight:600}
.ai-sub{font-size:11px;color:var(--sub)}
.ai-text{font-size:13.5px;line-height:1.72;color:#333;margin-top:10px;white-space:pre-wrap}
.ai-chips{display:flex;gap:8px;margin-top:12px;overflow-x:auto;padding-bottom:2px}
.ai-chips::-webkit-scrollbar{display:none}
.chip{
  flex:none;padding:7px 14px;border-radius:16px;font-size:12.5px;
  background:#F1F5FF;color:#5B7BE8;border:1px solid #E2E9FF;
}
.chip.on{background:#5B7BE8;color:#fff;border-color:#5B7BE8}
.ai-result{margin-top:12px;border-top:1px solid #F2F2F2;padding-top:12px;display:none}
.ai-result.show{display:block}
.ai-level{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11px;background:#FFF3E8;color:#D46B08;margin-left:6px}

/* 心脏健康 / 洛伦兹 */
.hrv-2col{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.mini-card{background:#fff;border-radius:16px;padding:14px;box-shadow:var(--shadow);text-align:center}
.mini-card .t{font-size:13px;font-weight:600;text-align:left;margin-bottom:6px}

/* ---------- 知识页 ---------- */
.doc{padding:8px 18px 40px;background:#fff;min-height:calc(100vh - 56px)}
.doc h1{font-size:21px;font-weight:700;margin:14px 0 18px}
.doc h2{font-size:17px;font-weight:700;margin:26px 0 10px}
.doc h3{font-size:15px;font-weight:600;margin:18px 0 6px}
.doc p{font-size:14.5px;color:#555;line-height:1.85;margin:9px 0}
.doc li{font-size:14.5px;color:#555;line-height:1.85;margin:4px 0}
.doc ul{padding-left:20px;margin:8px 0}
.doc blockquote{margin:20px 0;padding:0;border:0;color:#555;font-size:14.5px}
.doc strong{color:#222}
.doc table{width:100%;border-collapse:collapse;margin:10px 0;font-size:13.5px}
.doc th,.doc td{border:1px solid #EEE;padding:8px;text-align:left}
.doc th{background:#FAFAFA;font-weight:600}

/* ---------- 设备页 ---------- */
.dev-card{
  border-radius:18px;padding:16px;background:linear-gradient(120deg,#E9FBF8 0%,#F2FDFB 60%,#FFF 100%);
  border:1px solid #D6F4EF;position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.dev-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(46,211,192,.14),transparent 70%);
}
.dev-top{display:flex;align-items:center;gap:12px}
.dev-icon{
  width:44px;height:44px;border-radius:50%;background:var(--primary);display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(46,211,192,.3);
}
.dev-icon svg{width:24px;height:24px;color:#fff}
.dev-name{font-size:18px;font-weight:600}
.dev-mac{font-size:12px;color:#7A7A7A;margin-top:2px;font-variant-numeric:tabular-nums}
.dev-state{margin-left:auto;text-align:right;display:flex;align-items:center;gap:6px}
.dev-state .st{font-size:13px;color:#8C8C8C}
.dev-state .st.on{color:var(--primary-dark)}
.dev-refresh{width:26px;height:26px;display:flex;align-items:center;justify-content:center;color:#3D7BFF}
.dev-refresh svg{width:18px;height:18px}
.dev-refresh.spin svg{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.list{background:#fff;border-radius:14px;overflow:hidden;box-shadow:var(--shadow)}
.list-item{display:flex;align-items:center;gap:12px;padding:14px 16px;position:relative}
.list-item+.list-item::before{content:"";position:absolute;left:52px;right:0;top:0;height:1px;background:#F4F4F4}
.list-item .li-ico{width:24px;height:24px;display:flex;align-items:center;justify-content:center;flex:none}
.list-item .li-ico svg{width:21px;height:21px}
.list-item .li-txt{flex:1;font-size:15px}
.list-item .li-sub{font-size:11.5px;color:var(--sub);margin-top:1px}
.list-item .li-arrow{color:#D0D0D0;display:flex}
.list-item .li-arrow svg{width:16px;height:16px}
.list-sec-title{font-size:13px;color:#8C8C8C;margin:20px 0 8px 4px}

/* ---------- 个人中心 ---------- */
.profile-head{padding:8px 16px 6px;text-align:center;position:relative}
.avatar{
  width:86px;height:86px;border-radius:50%;margin:6px auto 10px;background:#E9EDEF;overflow:hidden;
  border:3px solid #DFF6F2;display:flex;align-items:center;justify-content:center;
}
.avatar svg{width:52px;height:52px;color:#BFC7CC}
.profile-phone{font-size:19px;font-weight:600;letter-spacing:.4px}
.profile-tip{font-size:11.5px;color:var(--sub);margin-top:4px}
.family-banner{
  margin:14px 16px 0;background:#fff;border-radius:16px;padding:16px;display:flex;align-items:center;
  box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.family-banner .fb-t{font-size:16px;font-weight:600}
.family-banner .fb-s{font-size:11.5px;color:var(--sub);margin-top:2px}
.family-banner .fb-ico{position:absolute;right:14px;top:50%;transform:translateY(-50%);opacity:.9}
.family-banner .fb-ico svg{width:56px;height:56px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:12px 16px 0}
.mini-tile{background:#fff;border-radius:14px;padding:14px;box-shadow:var(--shadow);display:flex;gap:10px;align-items:center}
.mini-tile .mt-t{font-size:14.5px;font-weight:600}
.mini-tile .mt-s{font-size:11px;color:var(--sub);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:96px}

/* ---------- 亲友 ---------- */
.fam-empty{text-align:center;padding:56px 24px 24px}
.fam-empty .ill{width:210px;height:150px;margin:0 auto 18px}
.fam-empty .t1{font-size:14px;color:#9A9A9A}
.fam-empty .t2{font-size:14px;color:#9A9A9A;margin-top:2px}
.fam-actions{padding:0 24px;display:flex;flex-direction:column;gap:16px;align-items:center}
.fam-link{color:var(--accent);font-size:14px;font-weight:500}
.fam-btns{display:flex;gap:12px;margin-top:14px}
.fam-btns .btn-ghost,.fam-btns .btn-accent{height:44px;border-radius:12px}
.sheet-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.42);z-index:40;display:none}
.sheet-backdrop.show{display:block}
.sheet{
  position:fixed;left:0;right:0;bottom:0;max-width:480px;margin:0 auto;background:#F2F4F5;
  border-radius:20px 20px 0 0;padding:12px 12px calc(16px + var(--safe-bottom));z-index:41;
  transform:translateY(110%);transition:transform .26s ease;
}
.sheet.show{transform:translateY(0)}
.sheet-item{background:#fff;border-radius:14px;padding:16px;display:flex;align-items:center;gap:14px;margin-bottom:10px}
.sheet-item .si-ico{width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:none}
.sheet-item .si-ico svg{width:22px;height:22px;color:#fff}
.sheet-item .si-t{font-size:16px;font-weight:500}
.sheet-item .si-s{font-size:12px;color:var(--sub);margin-top:2px}
.sheet-cancel{background:#fff;border-radius:14px;text-align:center;padding:15px;font-size:16px;color:#333}

/* ---------- 权限管理 ---------- */
.perm-head{font-size:12px;color:var(--sub);padding:12px 16px 4px}
.perm-item{display:flex;align-items:center;gap:12px;padding:13px 16px;background:#fff;border-radius:14px;margin-bottom:8px;box-shadow:var(--shadow)}
.perm-item .pi-ico{width:28px;height:28px;display:flex;align-items:center;justify-content:center;flex:none}
.perm-item .pi-ico svg{width:24px;height:24px}
.perm-item .pi-t{font-size:15px;font-weight:500}
.perm-item .pi-s{font-size:11px;color:var(--sub);margin-top:1px}
.perm-item .pi-arrow{color:#D0D0D0}

/* ---------- 弹层 / Toast ---------- */
.toast{
  position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.78);color:#fff;
  padding:10px 18px;border-radius:10px;font-size:13.5px;z-index:99;opacity:0;pointer-events:none;transition:opacity .2s;
}
.toast.show{opacity:1}
.dialog-mask{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:50;display:none;align-items:center;justify-content:center;padding:24px}
.dialog-mask.show{display:flex}
.dialog{width:100%;max-width:340px;background:#fff;border-radius:18px;padding:20px}
.dialog h3{margin:0 0 6px;font-size:17px}
.dialog p{margin:0 0 16px;font-size:13px;color:var(--sub);line-height:1.6}
.field{display:flex;align-items:center;gap:10px;border:1px solid #EEE;border-radius:12px;padding:12px 14px;margin-bottom:12px}
.field input{flex:1;font-size:15px}
.field .suffix{color:var(--primary-dark);font-size:13.5px;white-space:nowrap}

/* ---------- 登录 ---------- */
.login{min-height:100vh;background:linear-gradient(180deg,#DFF7F3 0%,#F5F6F7 48%);padding:0 28px}
.login .brand{padding-top:88px;text-align:center}
.login .logo{
  width:78px;height:78px;border-radius:24px;margin:0 auto 18px;
  background:linear-gradient(140deg,#2ED3C0,#17B7A6);display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 28px rgba(46,211,192,.35);
}
.login .logo svg{width:42px;height:42px;color:#fff}
.login h1{font-size:22px;margin:0 0 6px}
.login .slogan{font-size:13px;color:var(--sub)}
.login .form{margin-top:44px}
.login .tip{font-size:11.5px;color:#A6A6A6;margin-top:18px;text-align:center;line-height:1.7}

/* 血液成分 tab */
.tabs{display:flex;background:#fff;border-radius:14px;padding:4px;margin:0 16px;box-shadow:var(--shadow)}
.tabs button{flex:1;height:38px;border-radius:10px;font-size:14.5px;color:#666}
.tabs button.on{background:var(--accent);color:#fff;font-weight:600}

/* 睡眠 */
.sleep-ring-card{background:#fff;border-radius:18px;padding:18px 16px;box-shadow:var(--shadow);text-align:center}
.target-pill{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;padding:8px 16px;border-radius:20px;
  background:#F3F1FF;color:#6B5BE0;font-size:13.5px;font-weight:500;
}
.sleep-two{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.sleep-cell{background:#fff;border-radius:16px;padding:14px;box-shadow:var(--shadow)}
.sleep-cell .h{display:flex;align-items:center;gap:6px;font-size:13px;color:#333}
.sleep-cell .v{font-size:19px;font-weight:600;margin-top:10px;font-variant-numeric:tabular-nums}
.sleep-cell .v small{font-size:11px;color:var(--sub);font-weight:400}
.hypno{display:flex;align-items:flex-end;gap:3px;height:58px;margin-top:10px}
.hypno i{flex:1;border-radius:3px;min-width:3px}

/* 通用状态 */
.empty-tip{text-align:center;color:#B0B0B0;font-size:12.5px;padding:18px 0}
.loading{display:flex;align-items:center;justify-content:center;padding:40px;color:#BBB;font-size:13px}
.fade-in{animation:fade .24s ease both}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.skel{background:linear-gradient(90deg,#F2F2F2 25%,#F8F8F8 37%,#F2F2F2 63%);background-size:400% 100%;animation:sk 1.2s infinite;border-radius:8px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}