/* ==========================================================================
   咸鱼监控助手 · 新版界面
   版式：极光深蓝 + 细线分隔 + 非对称首屏 + 序号化区块
   ========================================================================== */

:root{
  --bg:#f5f7fb;
  --ink:#0f1320;
  --ink2:#4d5568;
  --mut:#4d5568;
  --mut2:#8b94a8;
  --line:#e4e9f3;
  --line2:#d8e0ee;
  --surface:#ffffff;
  --surface2:#f4f6fc;
  --solid:#ffffff;

  --accent:#4f46e5;
  --accent2:#7c5cff;
  --accent3:#8b7cff;
  --accent-ink:#ffffff;
  --accent-soft:#edeaff;

  --ok:#0f766e; --ok-bg:#e4f8f3;
  --warn:#b45309; --warn-bg:#fff5e4;
  --err:#dc2626; --err-bg:#fdecec;

  --r:16px; --r-lg:20px;
  --ease:.18s cubic-bezier(.4,0,.2,1);
  --mono:ui-monospace,"SF Mono",Consolas,monospace;
}

html{color-scheme:only light}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;min-height:100vh;color:var(--ink);
  background:radial-gradient(1100px 560px at 50% -10%, #eceaff 0%, rgba(236,234,255,0) 62%), var(--bg);
  background-image:
    radial-gradient(60% 38% at 50% -12%, rgba(79,70,229,.07), transparent 70%);
  background-attachment:fixed;background-repeat:no-repeat;
  font:15px/1.7 "Microsoft YaHei UI","PingFang SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
[hidden]{display:none !important}
.wrap{width:min(1160px,calc(100% - 48px));margin:0 auto}
::selection{background:rgba(125,211,252,.35)}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.02em}

/* ------------------------------------------------------------------ 顶栏 */
.nav{
  position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);
  backdrop-filter:saturate(150%) blur(18px);border-bottom:1px solid var(--line);
}
.nav-in{display:flex;align-items:center;gap:34px;height:68px}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:16px;letter-spacing:-.2px}
.brand .logo{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-size:17px;
  background:linear-gradient(140deg,#4f46e5,#7c5cff);color:#fff;
  box-shadow:0 10px 24px -12px rgba(124,92,255,.9);
}
.nav-links{display:flex;gap:26px}
.nav-links a{
  color:var(--mut);font-size:14px;letter-spacing:.02em;
  padding:6px 0;border-bottom:1px solid transparent;transition:var(--ease);
}
.nav-links a:hover{color:var(--ink);border-bottom-color:var(--accent)}
.nav-act{margin-left:auto;display:flex;align-items:center;gap:10px}

/* ------------------------------------------------------------------ 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid var(--line2);background:transparent;color:var(--ink);
  border-radius:12px;padding:10px 18px;font-size:14px;cursor:pointer;
  font-family:inherit;white-space:nowrap;transition:var(--ease);
}
.btn:hover{background:var(--surface2);border-color:#bcd3f5}
.btn.primary{
  border:0;color:#fff;font-weight:700;
  background:linear-gradient(140deg,#4f46e5,#7c5cff);
  box-shadow:0 12px 26px -12px rgba(79,70,229,.55);
}
.btn.primary:hover{filter:brightness(1.04)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--mut)}
.btn.ghost:hover{color:var(--ink);background:var(--surface)}
.btn.lg{padding:13px 26px;font-size:15.5px;border-radius:12px}
.btn.sm,.btn.small{padding:7px 13px;font-size:12.8px;border-radius:8px}
.btn.danger{border-color:rgba(251,113,133,.35);background:var(--err-bg);color:var(--err)}
.btn:disabled{opacity:.45;cursor:default}

/* ------------------------------------------------------------------ 首屏（左文右图） */
.hero{padding:76px 0 20px}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:56px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:22px;
}
.eyebrow::before{
  content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--accent),transparent);
}
.hero h1{
  font-size:clamp(34px,4.4vw,58px);line-height:1.1;margin:0 0 22px;
  letter-spacing:-2px;font-weight:800;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(105deg,#4f46e5,#7c5cff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero .lede{color:var(--mut);font-size:16.5px;margin:0 0 30px;max-width:520px}
.hero-act{display:flex;gap:12px;flex-wrap:wrap}
.btn.dl{
  border:1px solid rgba(79,70,229,.45);color:var(--accent);
  background:var(--accent-soft);font-weight:700;
}
.btn.dl:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.hero-note{
  margin-top:20px;color:var(--mut2);font-size:12.5px;
  font-family:var(--mono);letter-spacing:.02em;
}

/* 右侧产品卡 */
.mock{
  border:1px solid var(--line2);border-radius:16px;overflow:hidden;
  background:var(--surface);box-shadow:0 30px 70px -34px rgba(23,58,120,.35);
}
.mock-bar{
  display:flex;align-items:center;gap:7px;padding:10px 14px;border-bottom:1px solid var(--line);
}
.mock-bar i{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.22)}
.mock-bar i:nth-child(1){background:#ff5f57}
.mock-bar i:nth-child(2){background:#febc2e}
.mock-bar i:nth-child(3){background:#28c840}
.mock-bar b{
  margin-left:8px;font-family:var(--mono);font-size:11px;font-weight:400;color:var(--mut2);
  letter-spacing:.04em;
}
.mock-body{padding:14px;display:flex;flex-direction:column;gap:8px}
.mock-body .mock-row{animation:none}
.mock-row.in{animation:slideIn .5s cubic-bezier(.22,1,.36,1) both}
@keyframes slideIn{
  0%{opacity:0;transform:translateY(-12px) scale(.98);border-color:rgba(79,70,229,.55);
     box-shadow:0 0 0 3px rgba(79,70,229,.12)}
  60%{opacity:1;box-shadow:0 0 0 3px rgba(79,70,229,.10)}
  100%{opacity:1;transform:none;box-shadow:none}
}
.live{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:#4f46e5;
}
.live em{width:6px;height:6px;border-radius:50%;background:#4f46e5;animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(79,70,229,.45)}50%{opacity:.55;box-shadow:0 0 0 5px rgba(79,70,229,0)}}
.thumb-emo{display:grid;place-items:center;font-size:23px;line-height:1;
  background:linear-gradient(140deg,#f4f2ff,#e9e6ff);border:1px solid #dbe7f8;}
.mock-row{
  display:flex;align-items:center;gap:11px;padding:10px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
}
.mock-row:last-child{margin-bottom:0}
.mock-thumb{
  width:44px;height:44px;border-radius:9px;flex:0 0 44px;object-fit:cover;
  background:#eef5ff;border:1px solid var(--line);
}
.mock-txt{flex:1;min-width:0}
.mock-txt b{display:block;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mock-txt span{font-family:var(--mono);font-size:10.5px;color:var(--mut2)}
.mock-price{font-weight:800;color:var(--accent);font-size:13.5px}

/* ------------------------------------------------------------------ 数据带 */
.band{
  margin:64px 0 0;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:var(--surface);
  display:grid;grid-template-columns:repeat(4,1fr);
}
.band > div{padding:26px 4px;text-align:center;border-right:1px solid var(--line)}
.band > div:last-child{border-right:0}
.band .v{font-size:32px;font-weight:800;letter-spacing:-.5px}
.band .k{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--mut2);margin-top:4px;
}

/* ------------------------------------------------------------------ 区块 */
.section{padding:76px 0 0}
.sec-head{display:flex;align-items:baseline;gap:18px;margin-bottom:40px}
.sec-head .no{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--accent);flex:0 0 auto;
}
.sec-head h2{
  font-size:clamp(22px,2.6vw,32px);margin:0;letter-spacing:-.9px;font-weight:800;
}
.sec-head p{margin:0 0 0 auto;color:var(--mut);font-size:14px;max-width:340px;text-align:right}

/* 通用网格 */
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:1fr 1fr}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}

/* 特性：细线网格，不用卡片 */
.feats{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border-top:1px solid var(--line);border-left:1px solid var(--line);
  background:var(--surface);border-radius:16px;overflow:hidden;
}
.feat{
  padding:30px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  transition:var(--ease);
}
.feat:hover{background:var(--surface)}
.feat .ico{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:18px;
  background:var(--surface);margin-bottom:16px;
}
.feat h3{margin:0 0 8px;font-size:16px;font-weight:700;letter-spacing:-.2px}
.feat p{margin:0;color:var(--mut);font-size:13.8px}

/* 步骤：大号幽灵数字 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:34px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:30px 34px}
.step .no{
  font-family:var(--mono);font-size:44px;font-weight:800;line-height:1;
  color:#8ea3bf;margin-bottom:14px;
}
.step b{display:block;font-size:15.5px;margin-bottom:7px}
.step p{margin:0;color:var(--mut);font-size:13.8px}

/* FAQ：原生折叠 */
.faq{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:0 28px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  cursor:pointer;padding:20px 34px 20px 0;position:relative;font-size:15px;font-weight:600;
  list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-family:var(--mono);font-size:18px;color:var(--mut2);transition:var(--ease);
}
.faq details[open] summary::after{content:"−";color:var(--accent)}
.faq p{margin:0 0 20px;color:var(--mut);font-size:14px;max-width:760px}

/* ------------------------------------------------------------------ 页脚 */
footer{margin-top:86px;border-top:1px solid var(--line)}
.foot{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;padding:48px 0 34px}
.foot .col b{
  display:block;font-family:var(--mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--mut2);margin-bottom:14px;
}
.foot .col a{display:block;color:var(--mut);font-size:13.5px;margin-bottom:9px}
.foot .col a:hover{color:var(--ink)}
.foot .brand-col p{color:var(--mut2);font-size:13px;margin:14px 0 0;max-width:290px;line-height:1.7}
.copyright{
  border-top:1px solid var(--line);padding:18px 0 30px;color:var(--mut2);font-size:12.5px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-family:var(--mono);letter-spacing:.02em;
}

/* ------------------------------------------------------------------ 表单 */
.field{display:block;margin-bottom:14px;text-align:left}
.field span{display:block;font-size:12.5px;color:var(--mut);margin-bottom:6px}
.input{
  width:100%;padding:11px 13px;border:1px solid var(--line2);border-radius:10px;
  font:inherit;color:var(--ink);background:var(--surface);outline:none;transition:var(--ease);
}
.input::placeholder{color:var(--mut2)}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.14)}
select.input option{background:var(--solid);color:var(--ink)}

/* ------------------------------------------------------------------ 弹窗 */
.modal{
  position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;
  background:rgba(15,29,51,.34);backdrop-filter:blur(6px);
}
.modal-box{
  width:min(400px,100%);background:var(--solid);border:1px solid var(--line2);
  border-radius:var(--r-lg);padding:30px 28px 24px;box-shadow:0 40px 90px -40px rgba(15,29,51,.45);
  position:relative;animation:pop .2s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
.modal-box .x{
  position:absolute;right:14px;top:12px;width:32px;height:32px;border:0;border-radius:9px;
  background:transparent;color:var(--mut2);font-size:20px;cursor:pointer;line-height:1;
}
.modal-box .x:hover{background:var(--surface2);color:var(--ink)}
.modal-box h2{margin:0 0 4px;font-size:20px;text-align:center;letter-spacing:-.3px}
.modal-box .sub{color:var(--mut2);font-size:12.5px;text-align:center;margin:0 0 22px}
.modal-box .btn{width:100%;margin-top:6px}
.err{color:var(--err);font-size:12.8px;min-height:20px;margin:8px 0 0}
.switch-line{text-align:center;font-size:12.8px;color:var(--mut);margin-top:14px}
.switch-line a{cursor:pointer;font-weight:600;color:var(--accent)}

/* ------------------------------------------------------------------ 个人中心 */
.console{padding:40px 0 20px}
.console-head{display:flex;align-items:center;gap:16px;margin-bottom:30px}
.console-head .ava{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;font-size:23px;
  background:linear-gradient(140deg,#7c5cff,#7c5cff);color:#fff;
  box-shadow:0 18px 40px -18px rgba(124,92,255,.9);
}
.console-head h1{margin:0;font-size:23px;letter-spacing:-.6px}
.console-head p{margin:3px 0 0;color:var(--mut2);font-size:12.8px}
.console-head .sp{margin-left:auto;display:flex;gap:10px}

.panel{
  border:1px solid var(--line);border-radius:var(--r);padding:24px;
  background:var(--surface);backdrop-filter:blur(10px);margin-bottom:16px;
}
.panel > h2{
  font-size:14px;margin:0 0 18px;font-weight:700;letter-spacing:.02em;
  display:flex;align-items:center;gap:10px;
}
.panel > h2::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent)}
.panel .hint{color:var(--mut2);font-size:12.8px;margin:-8px 0 16px}

.kv{display:flex;flex-direction:column;gap:14px}
.kv > div{display:flex;align-items:baseline;gap:16px;font-size:14px}
.kv > div > span{
  flex:0 0 84px;color:var(--mut2);font-size:12px;
  font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;
}
.kv > div > b{font-weight:600}

.pill,.tag{
  display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:6px;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.04em;
  background:var(--accent-soft);color:var(--accent);white-space:nowrap;
}
.pill.ok,.tag.ok{background:var(--ok-bg);color:var(--ok)}
.pill.warn,.tag.warn{background:var(--warn-bg);color:var(--warn)}
.pill.off,.pill.err,.tag.off{background:var(--err-bg);color:var(--err)}
.tag.gray{background:var(--surface2);color:var(--mut)}

.list{display:flex;flex-direction:column;gap:8px}
.item{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border:1px solid var(--line);
  border-radius:10px;background:var(--surface);font-size:13.5px;
}
.item .grow{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.muted{color:var(--mut2);font-size:12.8px}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}

.steps-mini{display:flex;flex-direction:column;gap:14px}
.steps-mini > div{display:flex;align-items:center;gap:12px;font-size:13.6px;color:var(--ink2)}
.steps-mini b{
  flex:0 0 22px;height:22px;border-radius:6px;display:grid;place-items:center;
  font-family:var(--mono);font-size:11px;font-weight:700;background:var(--accent-soft);color:var(--accent);
}

/* ------------------------------------------------------------------ 后台 */
.admin{padding:34px 0 10px}
.page-head{display:flex;align-items:flex-end;gap:16px;padding:0 0 26px}
.page-head h1{font-size:24px;margin:0;letter-spacing:-.6px}
.page-head p{margin:5px 0 0;color:var(--mut2);font-size:12.8px}
.page-head .sp{margin-left:auto;display:flex;gap:10px;align-items:center}

.admin-main{min-width:0}
.admin-sec[hidden]{display:none}
.admin-title{margin:0 0 14px}
.admin-title h2{margin:0;font-size:19px;letter-spacing:-.3px}
.admin-title p{margin:4px 0 0;color:var(--mut2);font-size:12.6px}
.quick{display:flex;gap:10px;flex-wrap:wrap}

.shell{display:grid;grid-template-columns:200px 1fr;gap:24px;align-items:start}
.side{
  border:1px solid var(--line);border-radius:12px;padding:8px;position:sticky;top:90px;
  background:var(--surface);backdrop-filter:blur(10px);
}
.side a,.side button{
  display:flex;align-items:center;gap:9px;width:100%;padding:10px 12px;margin-bottom:2px;
  border:0;border-radius:8px;background:transparent;color:var(--mut);
  font:inherit;font-size:13.5px;text-align:left;cursor:pointer;transition:var(--ease);
}
.side a:hover,.side button:hover{background:var(--surface2);color:var(--ink)}
.side .on{background:var(--accent-soft);color:var(--accent);font-weight:600}

.user-chip{
  display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border:1px solid var(--line2);
  border-radius:8px;font-size:12.5px;color:var(--ink2);font-family:var(--mono);
}
.user-chip i{width:6px;height:6px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok)}

.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(148px,1fr));gap:12px;margin-bottom:20px}
.stat{
  border:1px solid var(--line);border-radius:12px;padding:18px;
  background:var(--surface);backdrop-filter:blur(10px);
}
.stat .k{
  color:var(--mut2);font-size:11px;font-family:var(--mono);
  letter-spacing:.08em;text-transform:uppercase;
}
.stat .v{font-size:28px;font-weight:800;margin-top:6px;letter-spacing:-.5px}

.card{
  border:1px solid var(--line);border-radius:12px;padding:22px;
  background:var(--surface);backdrop-filter:blur(10px);
}
.card-hd{display:flex;align-items:center;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.card-hd h3{margin:0;font-size:14.5px;font-weight:700;letter-spacing:.02em}
.card-hd .sp{margin-left:auto;display:flex;gap:8px;align-items:center;flex-wrap:wrap}

.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{
  text-align:left;color:var(--mut2);font-weight:600;font-size:10.5px;
  font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;
  padding:0 10px 10px;border-bottom:1px solid var(--line);white-space:nowrap;
}
.tbl td{padding:13px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.tbl tr:hover td{background:#f8fbff}
.tbl tr:last-child td{border-bottom:0}
.tbl td:nth-child(2){font-weight:600}
.tbl td:nth-child(5){white-space:nowrap}
.tbl td.ops,.tbl td:last-child{white-space:nowrap}
.mono-sm{font-family:var(--mono);font-size:11px;color:var(--mut2);white-space:nowrap}
.mini{padding:8px 11px;font-size:12.8px;border-radius:8px}

/* ------------------------------------------------------------------ 提示 */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,14px);
  background:var(--solid);border:1px solid var(--line2);color:var(--ink);
  padding:11px 20px;border-radius:10px;font-size:13px;box-shadow:0 20px 50px -24px rgba(15,29,51,.4);
  opacity:0;pointer-events:none;transition:.22s;z-index:80;max-width:90vw;
}
.toast.on{opacity:1;transform:translate(-50%,0)}
.toast.err{border-color:var(--err);color:var(--err)}

/* ------------------------------------------------------------------ 响应式 */
@media (max-width:980px){
  .grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero .lede{max-width:none}
  .band{grid-template-columns:1fr 1fr}
  .band > div:nth-child(2){border-right:0}
  .band > div:nth-child(1),.band > div:nth-child(2){border-bottom:1px solid var(--line)}
  .feats{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:26px}
  .foot{grid-template-columns:1fr 1fr}
  .shell{grid-template-columns:1fr}
  .side{position:static;display:flex;gap:6px;overflow:auto}
  .side a,.side button{width:auto;white-space:nowrap}
  .sec-head{flex-wrap:wrap;gap:10px}
  .sec-head p{margin:0;text-align:left;max-width:none}
}
@media (max-width:640px){
  .nav-links{display:none}
  .hero{padding:50px 0 10px}
  .foot{grid-template-columns:1fr}
  .console-head{flex-wrap:wrap}
  .band{grid-template-columns:1fr}
  .band > div{border-right:0;border-bottom:1px solid var(--line)}
}

/* ------------------------------------------------------------------ 独立登录页 */
.auth-page{min-height:100vh;display:grid;place-items:center;padding:48px 16px;background:var(--bg)}
.auth-card{
  width:min(420px,94vw);background:var(--solid);border:1px solid var(--line);
  border-radius:16px;padding:28px 26px;box-shadow:0 30px 70px -34px rgba(23,58,120,.35);
}
.auth-card .brand{display:flex;gap:10px;align-items:center;margin:0 0 18px;text-decoration:none;color:var(--ink)}
.auth-card .brand .logo{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:18px;
  background:linear-gradient(140deg,#7c5cff,#7c5cff);color:#fff;
}
.auth-tabs{display:flex;gap:4px;background:var(--surface2);border-radius:10px;padding:4px;margin-bottom:16px}
.auth-tabs a{flex:1;text-align:center;padding:9px;border-radius:8px;font-size:13.5px;color:var(--mut);text-decoration:none}
.auth-tabs a.on{background:var(--solid);color:var(--ink);font-weight:700;box-shadow:0 4px 12px -6px rgba(23,58,120,.35)}
.auth-sub{color:var(--mut);font-size:12.8px;margin:0 0 16px}
.auth-card .field{margin-bottom:12px}
.auth-card .field span{display:block;font-size:12.6px;color:var(--mut);margin-bottom:6px}
.auth-card .btn{width:100%;margin-top:4px}
.auth-err{min-height:20px;color:var(--err);font-size:12.6px;margin-top:10px;text-align:center}
.auth-foot{margin:14px 0 0;text-align:center;font-size:12.4px;color:var(--mut2)}
.auth-foot a{color:var(--accent);text-decoration:none}
/* baituyun 风格：白卡片轻阴影 */
.band,.feats,.steps,.faq{box-shadow:0 10px 30px rgba(16,19,26,.06), 0 2px 8px rgba(16,19,26,.04)}