/* ==========================================================================
   AI 星云 · 站点样式 v2
   设计基线：深墨底 + 电光靛/青双色，卡片化，克制留白
   ========================================================================== */

/* ---------- 设计令牌 ---------- */
:root{
  /* 墨色阶 */
  --ink:#0c1222; --ink2:#243049; --ink3:#3d4a63;
  --muted:#6b7a92; --muted2:#8b98ad;
  --line:#e6ebf4; --line2:#f0f3f9;
  --bg:#f7f9fd; --bg2:#eef2fa; --card:#ffffff;

  /* 品牌色 */
  --brand:#5b5bf6; --brand-d:#4338ca; --brand-l:#8b8bff;
  --cyan:#12b8e6; --cyan-d:#0891b2;
  --ok:#0f9d63; --ok-bg:#e6f8ef;
  --warn:#b45309; --warn-bg:#fff5e5;
  --bad:#dc2626; --bad-bg:#feecec;
  --amber:#f79009;

  /* 暗区 */
  --night:#080d1a; --night2:#0e1730;
  --night-line:rgba(255,255,255,.09);
  --night-text:#e7ecf9; --night-muted:#93a1bf;

  /* 形状与阴影 */
  --r-sm:9px; --r:13px; --r-lg:18px; --r-xl:26px;
  --sh-xs:0 1px 2px rgba(12,18,34,.05);
  --sh:0 1px 2px rgba(12,18,34,.04), 0 8px 24px -8px rgba(12,18,34,.10);
  --sh-md:0 2px 4px rgba(12,18,34,.04), 0 16px 40px -12px rgba(12,18,34,.16);
  --sh-lg:0 30px 70px -24px rgba(12,18,34,.32), 0 6px 16px rgba(12,18,34,.06);
  --ring:0 0 0 3px rgba(91,91,246,.16);
  --grad:linear-gradient(135deg,var(--brand) 0%,#7c6cff 45%,var(--cyan) 100%);
  --grad-soft:linear-gradient(135deg,rgba(91,91,246,.10),rgba(18,184,230,.10));

  --font:-apple-system,BlinkMacSystemFont,"Segoe UI Variable Display","Segoe UI","PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"JetBrains Mono",Menlo,Consolas,monospace;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{margin:0;padding:0;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;font-family:var(--font);
  color:var(--ink); background:var(--bg); line-height:1.68;
  font-size:15.5px; letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
::selection{background:rgba(91,91,246,.20); color:var(--ink)}
h1,h2,h3,h4,h5{margin:0; font-weight:750; letter-spacing:-.021em; line-height:1.28; color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
a{color:var(--brand-d); text-decoration:none; transition:color .16s}
a:hover{color:var(--brand)}
img{max-width:100%; height:auto; display:block}
ul,ol{padding-left:1.25em}
hr{border:none; border-top:1px solid var(--line); margin:28px 0}
code,kbd,samp{font-family:var(--mono)}
:focus-visible{outline:2px solid var(--brand); outline-offset:2px; border-radius:4px}

.container{max-width:1140px; margin:0 auto; padding:0 24px}
.narrow{max-width:780px; margin:0 auto; padding:0 24px}

/* ---------- 顶栏 ---------- */
.nav{
  position:sticky; top:0; z-index:60;
  background:rgba(255,255,255,.78);
  -webkit-backdrop-filter:saturate(180%) blur(16px);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid rgba(12,18,34,.07);
}
.nav-in{display:flex; align-items:center; gap:20px; height:66px}
.logo{display:flex; align-items:center; gap:10px; font-weight:800; font-size:17px; color:var(--ink); letter-spacing:-.02em}
.logo:hover{text-decoration:none; color:var(--ink)}
.logo-mark{
  width:34px; height:34px; border-radius:10px; flex:0 0 auto;
  background:var(--grad); display:grid; place-items:center;
  color:#fff; font-size:15px; font-weight:800; letter-spacing:0;
  box-shadow:0 6px 16px -6px rgba(91,91,246,.65), inset 0 1px 0 rgba(255,255,255,.35);
}
.logo-mark svg{display:block}
.logo-text{display:flex; align-items:baseline; gap:10px; line-height:1.15}
.logo-text b{font-size:17px; font-weight:800; letter-spacing:-.03em; color:inherit}
.logo-text small{
  font-size:11.5px; font-weight:600; color:var(--muted2);
  letter-spacing:.02em; white-space:nowrap;
}
body.page-home .logo-text small{color:#8b9bbd}
.nav-links{display:flex; gap:4px; margin-left:auto; align-items:center}
.nav-links > a{
  color:var(--ink2); font-size:14.5px; font-weight:500;
  padding:8px 13px; border-radius:9px; transition:.16s;
}
.nav-links > a:hover{background:rgba(12,18,34,.05); color:var(--ink); text-decoration:none}
.nav-links > a.btn{margin-left:8px; color:#fff; padding:9px 17px}
.nav-links > a.btn:hover{background:var(--grad); color:#fff}

/* 导航栏登录态 */
[data-authed]{display:none !important}
body.is-authed [data-guest]{display:none !important}
body.is-authed a[data-authed]{display:inline-flex !important}

/* 首页：深色玻璃顶栏 */
body.page-home .nav{background:rgba(8,13,26,.90); border-bottom-color:rgba(255,255,255,.08)}
body.page-home .logo{color:#f2f5ff}
body.page-home .nav-links > a{color:#b9c5de}
body.page-home .nav-links > a:hover{background:rgba(255,255,255,.08); color:#fff}
body.page-home .nav-links > a.btn{color:#fff}
body.page-home .nav-links > a.btn:hover{color:#fff}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 22px; border-radius:11px; border:1px solid transparent;
  font-size:15px; font-weight:650; cursor:pointer; text-decoration:none;
  font-family:inherit; line-height:1.3; white-space:nowrap;
  transition:transform .16s cubic-bezier(.34,1.4,.64,1), box-shadow .18s, background .18s, border-color .18s, color .18s;
  position:relative;
}
.btn:hover{text-decoration:none; transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.995)}
.btn-primary{
  background:var(--grad); color:#fff;
  box-shadow:0 10px 24px -10px rgba(91,91,246,.75), inset 0 1px 0 rgba(255,255,255,.28);
}
.btn-primary:hover{color:#fff; box-shadow:0 16px 32px -12px rgba(91,91,246,.85), inset 0 1px 0 rgba(255,255,255,.32)}
.btn-ghost{background:#fff; color:var(--ink2); border-color:var(--line); box-shadow:var(--sh-xs)}
.btn-ghost:hover{border-color:#cdd7e8; color:var(--ink); background:#fcfdff; box-shadow:var(--sh)}
.btn-dark{background:var(--ink); color:#fff; box-shadow:0 10px 24px -12px rgba(12,18,34,.7)}
.btn-dark:hover{color:#fff; background:#16203a}
.btn-sm{padding:8px 14px; font-size:13.5px; border-radius:9px}
.btn-lg{padding:15px 28px; font-size:16px; border-radius:13px}
.btn-block{width:100%}
.btn:disabled,.btn[disabled]{opacity:.5; cursor:not-allowed; transform:none !important; box-shadow:none}
.btn .ar{transition:transform .18s}
.btn:hover .ar{transform:translateX(3px)}

/* 文字链接按钮 */
.link-arrow{display:inline-flex; align-items:center; gap:6px; font-weight:650; font-size:14.5px}

/* ---------- 卡片 / 栅格 ---------- */
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--sh); transition:box-shadow .22s, border-color .22s, transform .22s;
}
.card-pad{padding:26px}
.card-hd{display:flex; align-items:center; gap:10px; margin-bottom:16px}
.card-t{font-size:16px; font-weight:750; letter-spacing:-.015em; margin:0}
.card-sub{font-size:13.5px; color:var(--muted); margin:4px 0 0}
.grid{display:grid; gap:20px}
.grid > *{min-width:0}
/* 控制台双栏：窄屏折成单栏（内联列宽在媒体查询里覆盖不了，必须用 class） */
.dash-grid{grid-template-columns:1.4fr 1fr}
@media(max-width:900px){.dash-grid{grid-template-columns:1fr}}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* ---------- 首页 Hero（暗区） ---------- */
.hero{
  position:relative; overflow:hidden; isolation:isolate;
  background:var(--night); color:var(--night-text);
  padding:84px 0 0;
  border-radius:0 0 34px 34px;
}
.hero-glow{
  position:absolute; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(760px 460px at 12% -6%, rgba(91,91,246,.42), transparent 62%),
    radial-gradient(680px 420px at 88% 4%, rgba(18,184,230,.24), transparent 60%),
    radial-gradient(900px 500px at 50% 120%, rgba(124,108,255,.16), transparent 70%);
}
.hero-grid{
  position:absolute; inset:0; z-index:-1; pointer-events:none; opacity:.5;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 72%);
  mask-image:radial-gradient(circle at 50% 20%, #000 0%, transparent 72%);
}
.hero-in{display:grid; grid-template-columns:1.08fr .92fr; gap:52px; align-items:center; padding-bottom:70px}
.hero-in > *{min-width:0}
.hero-card{width:100%}

.hero-badge{
  display:inline-flex; align-items:center; gap:9px; padding:7px 14px 7px 11px;
  border-radius:999px; font-size:12.8px; font-weight:600; letter-spacing:.01em;
  background:rgba(255,255,255,.07); color:#c8d4ee;
  border:1px solid rgba(255,255,255,.12);
  -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px);
  margin-bottom:24px;
}
.hero-badge .dot{
  width:7px; height:7px; border-radius:50%; background:#3ddc97; flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(61,220,151,.18);
  animation:pulse 2.4s ease-in-out infinite;
}
.hero-badge b{color:#fff; font-weight:700}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(61,220,151,.16)}50%{box-shadow:0 0 0 6px rgba(61,220,151,.04)}}

.hero h1{
  font-size:clamp(32px,4.1vw,50px); line-height:1.16; letter-spacing:-.032em;
  color:#fff; margin:0 0 20px; font-weight:800;
}
.hero h1 em{
  font-style:normal; display:inline;
  background:linear-gradient(100deg,#a9a4ff 0%,#7cd4ff 55%,#5eead4 100%);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; color:transparent;
  -webkit-box-decoration-break:clone; box-decoration-break:clone;
}
.hero p.lead{
  font-size:16.5px; line-height:1.78; color:#a9b6d1; max-width:560px; margin:0 0 30px;
}
.hero p.lead strong{color:#e4ebfb; font-weight:650}
.hero-cta{display:flex; gap:12px; flex-wrap:wrap; margin-bottom:18px}
.hero-cta .btn-ghost{background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.16); color:#e7ecf9; box-shadow:none}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.14); border-color:rgba(255,255,255,.26); color:#fff}
.hero-note{font-size:13px; color:#7f8dab; display:flex; align-items:center; gap:8px; flex-wrap:wrap}
.hero-note .sep{opacity:.45}

/* Hero 右侧：套餐速览卡 */
.hero-card{
  position:relative; background:rgba(255,255,255,.055);
  border:1px solid rgba(255,255,255,.14); border-radius:var(--r-xl);
  padding:26px; -webkit-backdrop-filter:blur(22px) saturate(160%); backdrop-filter:blur(22px) saturate(160%);
  box-shadow:0 40px 80px -32px rgba(0,0,0,.7), inset 0 1px 0 rgba(255,255,255,.12);
}
.hero-card:before{
  content:""; position:absolute; inset:-1px; border-radius:inherit; z-index:-1; padding:1px;
  background:linear-gradient(160deg,rgba(255,255,255,.36),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite:xor; mask-composite:exclude; pointer-events:none;
}
.hero-card .hc-eyebrow{
  display:flex; align-items:center; justify-content:space-between;
  font-size:12px; letter-spacing:.1em; text-transform:uppercase; color:#8b9bbd; font-weight:700;
  margin-bottom:16px;
}
.hero-card .hc-eyebrow span:last-child{letter-spacing:0; text-transform:none; color:#7f8dab; font-weight:500; font-size:12px}
.tier{
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:13px 15px; border-radius:12px; border:1px solid rgba(255,255,255,.10);
  background:rgba(255,255,255,.035); margin-bottom:9px; transition:.18s;
}
.tier:hover{background:rgba(255,255,255,.075); border-color:rgba(255,255,255,.18)}
.tier.hot{border-color:rgba(140,132,255,.55); background:linear-gradient(120deg,rgba(91,91,246,.28),rgba(18,184,230,.14)); box-shadow:0 0 0 1px rgba(140,132,255,.18) inset}
.tier-name{font-size:14.5px; font-weight:650; color:#eef2fb; display:flex; align-items:center; gap:8px}
.tier-name small{
  font-size:11px; font-weight:700; color:#c9c6ff; background:rgba(140,132,255,.22);
  border:1px solid rgba(140,132,255,.34); padding:2px 7px; border-radius:5px; letter-spacing:.02em;
}
.tier-price{font-size:19px; font-weight:800; color:#fff; letter-spacing:-.02em; white-space:nowrap}
.tier-price span{font-size:12px; font-weight:500; color:#8b9bbd; margin-left:2px; letter-spacing:0}
.hc-foot{font-size:12.2px; color:#7f8dab; margin:12px 0 0; line-height:1.6}

/* Hero 底部能力条 */
.hero-stats{
  display:grid; grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.10);
  margin-top:0;
}
.hero-stats div{
  padding:20px 22px; border-right:1px solid rgba(255,255,255,.07);
}
.hero-stats div:first-child{padding-left:0}
.hero-stats div:last-child{border-right:none; padding-right:0}
.hero-stats b{display:block; font-size:22px; font-weight:800; color:#fff; letter-spacing:-.02em; margin-bottom:2px}
.hero-stats span{font-size:12.8px; color:#8b9bbd}

/* ---------- 通用区块 ---------- */
.section{padding:82px 0}
.section.tight{padding:60px 0}
.section.alt{background:#fff; border-top:1px solid var(--line); border-bottom:1px solid var(--line)}
.sec-head{max-width:660px; margin:0 0 44px}
.eyebrow{
  display:inline-block; font-size:12px; font-weight:750; letter-spacing:.13em;
  text-transform:uppercase; color:var(--brand); margin-bottom:12px;
}
.section h2{font-size:clamp(24px,2.7vw,33px); margin:0 0 12px; letter-spacing:-.028em}
.section .sub{color:var(--muted); font-size:16px; line-height:1.72; margin:0}
.center{text-align:center}
.center .sec-head{margin-left:auto; margin-right:auto}

/* ---------- 套餐卡 ---------- */
.plan-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:20px; align-items:stretch}
.plan{
  position:relative; background:#fff; border:1px solid var(--line); border-radius:var(--r-xl);
  padding:28px 26px 26px; display:flex; flex-direction:column;
  box-shadow:var(--sh); transition:transform .24s cubic-bezier(.34,1.2,.64,1), box-shadow .24s, border-color .24s;
}
.plan:hover{transform:translateY(-4px); box-shadow:var(--sh-md); border-color:#d8e0ee}
.plan.feat-top{border-color:rgba(91,91,246,.42); box-shadow:0 24px 60px -28px rgba(91,91,246,.55), 0 0 0 1px rgba(91,91,246,.12)}
.plan.feat-top:before{
  content:""; position:absolute; top:0; left:26px; right:26px; height:3px; border-radius:0 0 4px 4px;
  background:var(--grad);
}
.plan-tag{
  position:absolute; top:-11px; right:22px;
  background:var(--grad); color:#fff; font-size:11.5px; font-weight:750; letter-spacing:.03em;
  padding:4px 11px; border-radius:999px; box-shadow:0 8px 18px -8px rgba(91,91,246,.8);
}
.plan-name{font-size:16.5px; font-weight:750; letter-spacing:-.015em; display:flex; align-items:center; gap:8px}
.plan-desc{font-size:13px; color:var(--muted); margin:6px 0 20px; min-height:38px}
.plan-price{display:flex; align-items:flex-end; gap:6px; margin-bottom:4px}
.plan-price b{font-size:40px; font-weight:820; letter-spacing:-.035em; line-height:1}
.plan-price .cur{font-size:20px; font-weight:700; align-self:flex-start; margin-top:6px}
.plan-price .per{font-size:13.5px; color:var(--muted); margin-bottom:4px}
.plan-strike{font-size:12.8px; color:var(--muted2); margin-bottom:20px}
.plan-strike s{color:var(--muted2)}
.plan-feat{list-style:none; padding:0; margin:0 0 24px; flex:1}
.plan-feat li{
  display:flex; gap:9px; align-items:flex-start;
  padding:7px 0; font-size:14px; color:var(--ink2); line-height:1.55;
}
.plan-feat li.off{color:var(--muted2)}
.plan-feat .ic{
  flex:0 0 17px; width:17px; height:17px; border-radius:50%; margin-top:2px;
  display:grid; place-items:center; font-size:10px; font-weight:800;
  background:var(--ok-bg); color:var(--ok);
}
.plan-feat li.off .ic{background:#f1f4f9; color:#a9b4c6}
.plan .btn{width:100%}

/* ---------- 对比表 ---------- */
.tbl-wrap{
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  overflow:auto; box-shadow:var(--sh); -webkit-overflow-scrolling:touch;
}
.tbl-wrap > table.tbl{border:none; border-radius:0; box-shadow:none}
.tbl-note{font-size:12.5px; color:var(--muted2); margin:10px 0 0}

/* ---------- 特性卡 ---------- */
.feats{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
.feat{
  position:relative; padding:28px 26px; border-radius:var(--r-lg);
  background:#fff; border:1px solid var(--line); box-shadow:var(--sh-xs);
  transition:transform .22s, box-shadow .22s, border-color .22s;
}
.feat:hover{transform:translateY(-3px); box-shadow:var(--sh-md); border-color:#dbe3f0}
.feat h3{margin:16px 0 8px; font-size:17px; letter-spacing:-.015em}
.feat p{margin:0; color:var(--muted); font-size:14.2px; line-height:1.72}
.feat-ico{
  width:44px; height:44px; border-radius:13px; display:grid; place-items:center;
  background:var(--grad-soft); color:var(--brand-d); font-size:20px; font-weight:700;
  border:1px solid rgba(91,91,246,.14);
}

/* ---------- 步骤 ---------- */
.steps{display:grid; gap:14px; counter-reset:s}
.step{
  display:flex; gap:20px; align-items:flex-start; padding:24px 26px;
  background:#fff; border:1px solid var(--line); border-radius:var(--r-lg);
  box-shadow:var(--sh-xs); position:relative; transition:.22s;
}
.step:hover{border-color:#dbe3f0; box-shadow:var(--sh)}
.step-num{
  flex:0 0 38px; width:38px; height:38px; border-radius:12px;
  background:var(--grad); color:#fff; display:grid; place-items:center;
  font-weight:800; font-size:15px;
  box-shadow:0 8px 18px -8px rgba(91,91,246,.75);
}
.step h4{margin:6px 0 6px; font-size:16.5px; letter-spacing:-.015em}
.step p{margin:0; color:var(--muted); font-size:14.2px; line-height:1.7}

/* ---------- FAQ ---------- */
.faq{display:grid; gap:10px}
.faq-item{
  border:1px solid var(--line); border-radius:var(--r); background:#fff;
  padding:0 20px; box-shadow:var(--sh-xs); transition:border-color .2s, box-shadow .2s;
}
.faq-item:hover{border-color:#dbe3f0; box-shadow:var(--sh)}
.faq-item[open]{border-color:rgba(91,91,246,.32); box-shadow:0 12px 32px -18px rgba(91,91,246,.42)}
.faq-q{
  margin:0; padding:17px 34px 17px 0; font-weight:700; font-size:15.2px; cursor:pointer;
  list-style:none; position:relative; color:var(--ink); letter-spacing:-.01em; line-height:1.5;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q:before{
  content:""; position:absolute; right:4px; top:50%; width:9px; height:9px;
  border-right:2px solid var(--muted2); border-bottom:2px solid var(--muted2);
  transform:translateY(-70%) rotate(45deg); transition:transform .2s; border-radius:1px;
}
.faq-item[open] .faq-q:before{transform:translateY(-30%) rotate(-135deg); border-color:var(--brand)}
.faq-a{margin:0; padding:0 0 18px; color:var(--muted); font-size:14.3px; line-height:1.78; max-width:900px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative; overflow:hidden; isolation:isolate;
  background:var(--night); color:#fff;
  border-radius:var(--r-xl); padding:56px 44px; text-align:center;
  margin:0 0 48px;
  box-shadow:0 40px 80px -40px rgba(8,13,26,.7);
}
.cta-band:before{
  content:""; position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(560px 280px at 20% 0%, rgba(91,91,246,.45), transparent 60%),
    radial-gradient(520px 300px at 82% 100%, rgba(18,184,230,.28), transparent 62%);
}
.cta-band h2{color:#fff; margin:0 0 12px; font-size:clamp(23px,2.6vw,31px); letter-spacing:-.028em}
.cta-band p{color:#a9b6d1; margin:0 0 26px; font-size:15px}

/* ---------- 表单 ---------- */
.field{margin-bottom:18px}
.field label{display:block; font-size:13.2px; font-weight:650; color:var(--ink2); margin-bottom:8px; letter-spacing:.01em}
.input,.select{
  width:100%; padding:13px 15px; border:1px solid var(--line); border-radius:11px;
  font-size:15px; font-family:inherit; background:#fff; color:var(--ink);
  transition:border-color .16s, box-shadow .16s, background .16s;
}
.input:hover{border-color:#d3dcea}
.input:focus,.select:focus{outline:none; border-color:var(--brand); box-shadow:var(--ring); background:#fff}
.input::placeholder{color:#a8b3c6}
textarea.input{resize:vertical; min-height:90px; line-height:1.6}
.row{display:flex; gap:10px}
.row .input{flex:1; min-width:0}

/* ---------- 登录页 ---------- */
.auth-wrap{min-height:calc(100vh - 66px); display:grid; place-items:center; padding:56px 24px; position:relative; overflow:hidden}
.auth-wrap:before{
  content:""; position:absolute; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(600px 340px at 50% -10%, rgba(91,91,246,.13), transparent 62%),
    radial-gradient(480px 300px at 90% 100%, rgba(18,184,230,.10), transparent 60%);
}
.auth-card{
  position:relative; z-index:1; width:100%; max-width:428px;
  background:#fff; border:1px solid var(--line); border-radius:22px;
  padding:38px 34px 32px; box-shadow:var(--sh-lg);
}
.auth-card h1{font-size:25px; margin:0 0 8px; letter-spacing:-.026em}
.auth-card .hint{color:var(--muted); font-size:13.8px; margin:0 0 26px; line-height:1.65}

/* ---------- 控制台 ---------- */
.page-head{display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin:34px 0 22px}
.page-head h1{font-size:27px; letter-spacing:-.028em}
.page-head .spacer{margin-left:auto}

.status-pill{
  display:inline-flex; align-items:center; gap:7px; padding:6px 13px; border-radius:999px;
  font-size:12.6px; font-weight:700; letter-spacing:.01em; border:1px solid transparent;
}
.status-pill:before{content:""; width:6px; height:6px; border-radius:50%; background:currentColor; flex:0 0 auto}
.pill-ok{background:var(--ok-bg); color:#0b7a4d; border-color:rgba(15,157,99,.2)}
.pill-warn{background:var(--warn-bg); color:var(--warn); border-color:rgba(180,83,9,.16)}
.pill-bad{background:var(--bad-bg); color:#b91c1c; border-color:rgba(220,38,38,.16)}

.param{
  display:flex; gap:12px; align-items:center; padding:13px 0;
  border-bottom:1px dashed var(--line);
}
.param:last-child{border-bottom:none}
.param-label{flex:0 0 88px; color:var(--muted); font-size:13.2px; font-weight:600}
.param-value{
  flex:1; min-width:0; font-family:var(--mono); font-size:13px;
  background:var(--bg2); border:1px solid transparent; border-radius:9px;
  padding:10px 12px; word-break:break-all; color:var(--ink); transition:.16s;
}
.param:hover .param-value{background:#e8eefb; border-color:#dbe3f0}
.param .btn{flex:0 0 auto}

.kv{display:flex; justify-content:space-between; gap:14px; padding:11px 0; border-bottom:1px dashed var(--line); font-size:14.2px}
.kv:last-child{border-bottom:none}
.kv span:first-child{color:var(--muted); flex:0 0 auto}
.kv span:last-child{text-align:right; font-weight:600; font-variant-numeric:tabular-nums}

.stat{padding:22px}
.stat .label{color:var(--muted); font-size:12.8px; margin-bottom:6px; font-weight:600; letter-spacing:.01em}
.stat .value{font-size:27px; font-weight:800; letter-spacing:-.03em}
.stat .value small{font-size:13.5px; font-weight:600; color:var(--muted); margin-left:4px}

/* ---------- 表格 ---------- */
table.tbl{width:100%; border-collapse:collapse; font-size:14px; background:#fff}
table.tbl th{
  text-align:left; padding:13px 16px; color:var(--ink2); font-weight:700;
  background:#f8fafd; border-bottom:1px solid var(--line);
  white-space:nowrap; font-size:13px; letter-spacing:.01em;
}
table.tbl td{padding:13px 16px; border-bottom:1px solid var(--line2); vertical-align:middle; color:var(--ink2)}
table.tbl tbody tr:last-child td{border-bottom:none}
table.tbl tbody tr{transition:background .15s}
table.tbl tbody tr:hover td{background:#fafcff}
table.tbl td:first-child{color:var(--muted)}
table.tbl.tbl-c th:not(:first-child),table.tbl.tbl-c td:not(:first-child){text-align:center}

/* 套餐对比表：等宽列 + 竖向分隔线 */
table.tbl.cmp{table-layout:fixed}
table.tbl.cmp th,table.tbl.cmp td{width:25%}
table.tbl.cmp th + th,table.tbl.cmp td + td{border-left:1px solid var(--line)}
table.tbl.cmp td{border-bottom-color:#eef2f8; vertical-align:top}
table.tbl.cmp tbody tr:hover td{background:#fafcff}
table.tbl.cmp .chips{display:flex; flex-wrap:wrap; gap:5px; justify-content:flex-start}
table.tbl.cmp .chips .chip{margin:0; text-align:left; padding:2px 7px; font-size:11.8px}

/* ===== 首页对比表 v3：高亮列 + 分组 + 点阵 ===== */
.cmp-head{margin:58px 0 18px}
.cmp-head h3{font-size:19px; letter-spacing:-.022em; margin:0 0 6px}
.cmp-head p{margin:0; font-size:13.8px; color:var(--muted)}
.cmp-head a{font-weight:650}

.cmp-shell{
  background:#fff; border:1px solid var(--line); border-radius:20px;
  box-shadow:var(--sh-md); overflow:hidden;
}
.cmp-scroll{overflow-x:auto; -webkit-overflow-scrolling:touch}
.cmp-scroll{overflow-x:auto; -webkit-overflow-scrolling:touch}

table.cmp2{
  width:100%; min-width:680px; table-layout:fixed;
  border-collapse:separate; border-spacing:0; font-size:14px;
}
table.cmp2 th,table.cmp2 td{
  padding:14px 16px; text-align:center; vertical-align:middle;
  border-bottom:1px solid var(--line2); border-left:1px solid var(--line2);
}
table.cmp2 tbody td{vertical-align:top}
table.cmp2 th:first-child,table.cmp2 td:first-child{border-left:none}
table.cmp2 thead th{
  position:relative; background:#f8fafd; padding:18px 16px 16px;
  border-bottom:1px solid var(--line); font-weight:700;
}
table.cmp2 .corner{width:26%; text-align:left; font-size:12.5px; font-weight:600; color:var(--muted)}
table.cmp2 .pn{display:block; font-size:15.5px; font-weight:780; letter-spacing:-.015em; color:var(--ink)}
table.cmp2 .pd{display:block; font-size:12px; color:var(--muted2); margin-top:4px; font-weight:500; letter-spacing:0}
table.cmp2 .rec{
  display:inline-block; vertical-align:1px; margin-left:6px;
  background:var(--grad); color:#fff; font-size:10.5px; font-weight:750;
  padding:2px 7px; border-radius:5px; letter-spacing:.03em;
  box-shadow:0 4px 10px -4px rgba(91,91,246,.8);
}

/* 高亮列（专业版） */
table.cmp2 th.hot{background:linear-gradient(180deg,rgba(91,91,246,.11),rgba(18,184,230,.045))}
table.cmp2 th.hot:before{
  content:""; position:absolute; top:0; left:0; right:0; height:3px; background:var(--grad);
  border-radius:0 19px 0 0;
}
table.cmp2 th.hot .pn{color:var(--brand-d)}
table.cmp2 td:nth-child(4){background:rgba(91,91,246,.035)}
table.cmp2 th.hot,table.cmp2 td:nth-child(4){border-left-color:rgba(91,91,246,.26)}

/* 分组行 */
table.cmp2 tr.grp td{
  background:#f4f7fc; text-align:left; padding:9px 16px;
  font-size:11px; font-weight:750; letter-spacing:.13em; text-transform:uppercase;
  color:var(--muted2); border-bottom:1px solid var(--line);
}
table.cmp2 tr.grp td span{position:relative; padding-left:13px}
table.cmp2 tr.grp td span:before{
  content:""; position:absolute; left:0; top:50%; transform:translateY(-50%);
  width:3px; height:11px; border-radius:2px; background:var(--grad);
}

/* 规格项 */
table.cmp2 td.k{text-align:left; color:var(--muted); font-size:13.6px; font-weight:500}
table.cmp2 tbody tr:last-child td{border-bottom:none}

/* 边缘圆角（配合 overflow:auto 时不依赖裁切） */
table.cmp2 thead th:first-child{border-top-left-radius:19px}
table.cmp2 thead th:last-child{border-top-right-radius:19px}
table.cmp2 tbody tr:last-child td:first-child{border-bottom-left-radius:19px}
table.cmp2 tbody tr:last-child td:last-child{border-bottom-right-radius:19px}

/* 点阵条 */
table.cmp2 .q{display:flex; align-items:center; justify-content:center; gap:9px}
table.cmp2 .bar{display:inline-flex; gap:3px}
table.cmp2 .bar i{
  width:8px; height:8px; border-radius:2.5px; background:#e3e9f4;
  transition:background .2s, transform .2s;
}
table.cmp2 .bar i.on{background:linear-gradient(135deg,var(--brand),#8b7bff)}
table.cmp2 tr:hover .bar i.on{background:linear-gradient(135deg,var(--brand),var(--cyan)); transform:scale(1.08)}
table.cmp2 .num{font-size:15px; font-weight:800; letter-spacing:-.02em; min-width:15px; text-align:left}

/* 勾 / 横 */
table.cmp2 .yes{
  display:inline-grid; place-items:center; width:19px; height:19px; border-radius:50%;
  background:var(--ok-bg); color:#0b7a4d; font-size:10.5px; font-weight:900;
  border:1px solid rgba(15,157,99,.2);
}
table.cmp2 .no{color:#c2cbdb; font-size:14px; font-weight:700}

/* 不限量 */
table.cmp2 .token{font-weight:750; color:var(--ink); font-size:13.8px}
table.cmp2 .token i{font-style:normal; color:var(--brand); margin-right:4px; font-size:15px; vertical-align:-1px}

/* 客户端标签 */
table.cmp2 .chips{display:flex; flex-wrap:wrap; gap:5px; justify-content:flex-start}
table.cmp2 .chips .chip{
  margin:0; padding:2px 7px; font-size:11.6px; background:#fff;
  border-color:var(--line); color:var(--ink3);
}
table.cmp2 td:nth-child(4) .chip{background:rgba(255,255,255,.86)}

/* 行悬停 */
table.cmp2 tbody tr:hover td{background:#f7faff}
table.cmp2 tbody tr:hover td:nth-child(4){background:rgba(91,91,246,.075)}
table.cmp2 tbody tr.grp:hover td{background:#eef3fb}

.cmp-hint{display:none; margin:11px 0 0; font-size:12.2px; color:var(--muted2); text-align:center}

@media(max-width:720px){
  table.cmp2{min-width:600px; font-size:13px}
  table.cmp2 th,table.cmp2 td{padding:11px 10px}
  table.cmp2 .pd{display:none}
  table.cmp2 .bar i{width:6px; height:6px}
  table.cmp2 .q{gap:6px}
  /* 首列固定，横向滚动时行名不丢 */
  table.cmp2 th.corner,table.cmp2 td.k{
    position:sticky; left:0; z-index:2; background:#fff;
    box-shadow:1px 0 0 var(--line2);
  }
  table.cmp2 th.corner{background:#f8fafd; z-index:3}
  table.cmp2 tbody tr:hover td.k{background:#f7faff}
  .cmp-hint{display:block}
}
.mono{font-family:var(--mono); font-size:12.8px}

/* 客户端标签 */
.chip{
  display:inline-block; padding:3px 9px; margin:2px 3px 2px 0; border-radius:6px;
  background:var(--bg2); color:var(--ink3); font-size:12.2px; font-weight:600;
  border:1px solid var(--line); white-space:nowrap;
}

/* ---------- Tabs ---------- */
.tabs{
  display:flex; gap:4px; border-bottom:1px solid var(--line); margin-bottom:24px;
  overflow-x:auto; -webkit-overflow-scrolling:touch;
}
.tab{
  padding:11px 17px; border:none; background:none; cursor:pointer;
  font-size:14.3px; font-weight:650; color:var(--muted);
  border-bottom:2px solid transparent; font-family:inherit; white-space:nowrap;
  transition:color .16s, border-color .16s; margin-bottom:-1px;
}
.tab:hover{color:var(--ink2)}
.tab.active{color:var(--brand-d); border-bottom-color:var(--brand)}

/* ---------- 提示 ---------- */
.toast{
  position:fixed; left:50%; bottom:32px; transform:translateX(-50%) translateY(16px) scale(.98);
  background:rgba(12,18,34,.96); color:#fff; padding:12px 22px; border-radius:12px;
  font-size:14px; font-weight:500; opacity:0; pointer-events:none;
  transition:opacity .24s, transform .24s; z-index:200;
  box-shadow:0 24px 50px -16px rgba(0,0,0,.5);
  max-width:min(90vw,520px); text-align:center;
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
}
.toast.show{opacity:1; transform:translateX(-50%) translateY(0) scale(1)}
body.has-trial-bar .toast{bottom:100px}

.alert{
  position:relative;
  padding:13px 16px 13px 42px; border-radius:11px; font-size:14px; margin-bottom:14px;
  border:1px solid transparent; line-height:1.66;
}
.alert:before{
  position:absolute; left:15px; top:12px;
  font-weight:800; font-size:14px; line-height:1.6;
}
.alert-info{background:#eef4ff; color:#1e3a8a; border-color:#dbe6fe}
.alert-info:before{content:"i"; font-style:italic; font-family:Georgia,serif}
.alert-warn{background:var(--warn-bg); color:#92400e; border-color:#fbe3bd}
.alert-warn:before{content:"!"}
.alert-bad{background:var(--bad-bg); color:#991b1b; border-color:#fbd5d5}
.alert-bad:before{content:"!"}
.alert a{color:inherit; text-decoration:underline; font-weight:650; white-space:nowrap}
.empty{padding:52px 20px; text-align:center; color:var(--muted); font-size:14.2px}

/* ---------- 文档 ---------- */
.doc{padding-top:8px}
.doc > h1{font-size:clamp(26px,3vw,33px); letter-spacing:-.03em; margin:0 0 10px}
.doc h2{
  font-size:20px; margin:42px 0 14px; padding-top:10px; letter-spacing:-.02em;
  scroll-margin-top:88px;
}
.doc h2:first-of-type{margin-top:32px}
.doc h3{font-size:16.5px; margin:26px 0 9px}
.doc p,.doc li{font-size:14.8px; color:var(--ink2); line-height:1.8}
.doc li{margin:6px 0}
.doc ul,.doc ol{padding-left:22px; margin:12px 0 16px}
.doc strong{color:var(--ink); font-weight:700}
.doc code{
  background:#eef2fa; padding:2px 6px; border-radius:6px; font-size:13.2px;
  font-family:var(--mono); color:#3b3f9e; border:1px solid #e3e9f6;
}
.doc pre{
  background:#0b1220; color:#dbe4f5; padding:20px 22px; border-radius:14px; overflow:auto;
  font-size:13.2px; line-height:1.75; font-family:var(--mono); margin:16px 0 20px;
  border:1px solid #1c2740; box-shadow:var(--sh-md);
}
.doc pre code{background:none; padding:0; color:inherit; border:none; font-size:inherit}
.doc table.tbl{
  background:#fff; border:1px solid var(--line); border-radius:12px; overflow:hidden;
  box-shadow:var(--sh-xs); margin:16px 0 22px;
}
.doc table.tbl td:first-child{color:var(--muted)}
.doc table.tbl th:first-child{width:30%}
.doc .kv{
  border-bottom:1px solid var(--line2); padding:12px 2px;
  border-radius:0; background:none;
}
.doc .alert{margin:20px 0}

/* ---------- 文档双栏 + 目录 ---------- */
.doc-layout{
  display:grid; grid-template-columns:206px minmax(0,1fr); gap:56px;
  align-items:start; padding-top:44px; padding-bottom:40px;
}
.doc-toc{position:sticky; top:94px}
.doc-toc .toc-t{
  font-size:11.5px; font-weight:750; letter-spacing:.12em; text-transform:uppercase;
  color:var(--muted2); margin:0 0 12px; padding-left:11px;
}
.doc-toc ul{list-style:none; margin:0; padding:0; border-left:1px solid var(--line)}
.doc-toc li{margin:0}
.doc-toc ul a{
  display:block; padding:7px 12px; font-size:13.4px; color:var(--muted);
  border-left:2px solid transparent; margin-left:-1px; line-height:1.45; transition:.16s;
}
.doc-toc ul a:hover{color:var(--ink); background:rgba(91,91,246,.05); text-decoration:none; border-left-color:#cfd8ea}
.doc-toc ul a.on{color:var(--brand-d); border-left-color:var(--brand); font-weight:650; background:rgba(91,91,246,.055)}
.doc-toc .toc-cta{
  margin-top:20px; padding:16px; border-radius:13px; background:#fff;
  border:1px solid var(--line); box-shadow:var(--sh-xs);
}
.doc-toc .toc-cta p{font-size:12.8px; color:var(--ink3); margin:0 0 10px; line-height:1.55}
.doc-toc .toc-cta .btn{width:100%}
.doc-body{min-width:0}
.doc-hero{margin-bottom:8px; padding-bottom:26px; border-bottom:1px solid var(--line)}
.doc-hero h1{font-size:clamp(26px,3vw,34px); letter-spacing:-.03em; margin:0 0 10px}
.doc-hero p{color:var(--muted); font-size:15px; margin:0; max-width:600px}

@media(max-width:900px){
  .doc-layout{grid-template-columns:1fr; gap:0; padding-top:28px}
  .doc-toc{display:none}
}

/* ---------- 页脚 ---------- */
.foot{
  border-top:1px solid var(--line); padding:32px 0 44px; color:var(--muted);
  font-size:13.2px; margin-top:40px; background:transparent;
}
.foot a{color:var(--muted); padding:4px 8px; border-radius:7px; transition:.16s}
.foot a:hover{color:var(--ink); background:rgba(12,18,34,.05); text-decoration:none}
.foot-in{display:flex; gap:8px; flex-wrap:wrap; align-items:center}
.foot-in > span:first-child{font-weight:600; color:var(--ink2)}
.foot-in .spacer{margin-left:auto}
.foot-note{font-size:12.3px; color:var(--muted2); margin:10px 0 0; line-height:1.6}
body.page-home .foot-note{color:#6b7a96}

/* 备案号 */
a[href*="beian.miit.gov.cn"]{white-space:nowrap}
a[href*="beian.miit.gov.cn"]:before{content:"·"; margin-right:7px; opacity:.55}
body.page-home .foot a[href*="beian.miit.gov.cn"]{color:#a9b6d1}
body.page-home .foot{background:var(--night); border-top-color:rgba(255,255,255,.08); color:#7f8dab; margin-top:0}
body.page-home .foot a{color:#9aa8c4}
body.page-home .foot a:hover{color:#fff; background:rgba(255,255,255,.08)}
body.page-home .foot-in > span:first-child{color:#c3cee6}

/* ---------- 小工具 ---------- */
.hide{display:none !important}
.mt0{margin-top:0 !important}
.center{text-align:center}
.muted{color:var(--muted)}
.small{font-size:13px}
.nowrap{white-space:nowrap}
.skeleton{
  background:linear-gradient(90deg,#eef2f7 25%,#f6f8fb 37%,#eef2f7 63%);
  background-size:400% 100%; animation:sk 1.2s ease infinite; border-radius:6px; color:transparent !important;
}
@keyframes sk{0%{background-position:100% 0}100%{background-position:0 0}}

/* 入场动画 */
@keyframes rise{from{opacity:0; transform:translateY(14px)}to{opacity:1; transform:none}}
.rise{animation:rise .62s cubic-bezier(.22,.9,.3,1) both}
.d1{animation-delay:.06s}.d2{animation-delay:.13s}.d3{animation-delay:.2s}.d4{animation-delay:.27s}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media(max-width:1000px){
  .hero-in{grid-template-columns:1fr; gap:40px; padding-bottom:56px}
  .hero-card{max-width:520px}
  .plan-grid,.feats{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .hero-stats div:nth-child(2){border-right:none}
  .hero-stats div:nth-child(1),.hero-stats div:nth-child(2){border-bottom:1px solid rgba(255,255,255,.07)}
}
@media(max-width:860px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .section{padding:60px 0}
  .hero{padding-top:56px; border-radius:0 0 24px 24px}
  .hero h1{font-size:clamp(28px,7vw,38px)}
  .nav-links > a{padding:8px 10px; font-size:14px}
  .cta-band{padding:40px 24px; border-radius:20px}
}
@media(max-width:640px){
  .container,.narrow{padding:0 18px}
  .nav-in{height:60px; gap:12px}
  .logo-text b{font-size:15px}
  .logo-text small{font-size:10.5px}
  .nav-links{gap:0}
  .nav-links > a:not(.btn){display:none}
  .nav-links > a.btn{padding:8px 14px; font-size:13.5px; margin-left:0}
  body.page-home .nav-links > a:not(.btn){display:none}
  .hero-card{padding:20px}
  .tier{padding:11px 13px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .hero-stats b{font-size:19px}
  .card-pad{padding:20px}
  .plan{padding:24px 20px}
  .plan-price b{font-size:35px}
  .param{flex-wrap:wrap}
  .param-label{flex:0 0 100%}
  .param-value{order:2; flex:1 1 60%}
  .param .btn{order:3}
  .page-head{margin:24px 0 18px}
  .page-head h1{font-size:23px}
  .doc pre{padding:16px; font-size:12.4px; border-radius:12px}
  .tbl-wrap{border-radius:14px}
  .foot-in{gap:4px; font-size:12.5px}
  .foot-in .spacer{display:none; width:100%; margin:0}
  .toast{bottom:20px; padding:11px 18px; font-size:13.4px}
  .hero-stats div{padding:16px 18px}
}

/* ---------- 悬浮客服入口 ---------- */
.support-entry{
  position:fixed; right:24px; bottom:96px; z-index:80;
  width:58px; height:auto;
}
.support-btn{
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:4px;
  width:58px; padding:11px 0 9px; border-radius:15px;
  background:#fff; border:1px solid var(--line); color:var(--ink2);
  font-size:11.5px; font-weight:650; letter-spacing:.02em; text-align:center;
  user-select:none;
  box-shadow:0 10px 28px -12px rgba(11,18,32,.3), 0 2px 6px -2px rgba(11,18,32,.08);
  transition:transform .18s, box-shadow .18s, border-color .18s, color .18s;
}
.support-btn svg{width:21px; height:21px; display:block; transition:color .18s}
.support-entry:hover .support-btn{
  transform:translateY(-3px); border-color:rgba(91,91,246,.45);
  color:var(--brand-d);
  box-shadow:0 16px 34px -14px rgba(91,91,246,.65);
}

/* 悬停浮层：二维码 + 扫码提示 */
.support-pop{
  position:absolute; right:calc(100% + 12px); bottom:-6px; width:196px;
  padding:14px 13px 12px; border-radius:16px;
  background:#fff; border:1px solid var(--line);
  box-shadow:0 20px 46px -18px rgba(11,18,32,.34), 0 2px 8px -2px rgba(11,18,32,.06);
  text-align:center;
  opacity:0; visibility:hidden; transform:translateX(10px) scale(.96);
  transform-origin:right bottom; pointer-events:none;
  transition:opacity .18s ease, transform .18s ease, visibility .18s;
}
/* 透明桥接条，避免鼠标穿过间隙时浮层闪烁 */
.support-pop:before{
  content:""; position:absolute; right:-13px; top:0; bottom:0; width:13px;
}
/* 指向按钮的小三角 */
.support-pop:after{
  content:""; position:absolute; right:-6px; bottom:26px; width:11px; height:11px;
  background:#fff; border-right:1px solid var(--line); border-top:1px solid var(--line);
  transform:rotate(45deg);
}
.support-entry:hover .support-pop{
  opacity:1; visibility:visible; transform:none; pointer-events:auto;
}
.support-qr{
  width:146px; height:146px; margin:0 auto 10px; border-radius:11px;
  display:grid; place-items:center; overflow:hidden; background:#fff;
  box-shadow:inset 0 0 0 1px rgba(11,18,32,.07);
}
.support-qr img{display:block; width:146px; height:146px}
.support-pop b{display:block; font-size:13px; font-weight:750; color:var(--ink); letter-spacing:-.01em}
.support-pop-sub{display:block; font-size:10.8px; color:var(--muted2); margin-top:4px; line-height:1.4}

@media(max-width:860px){ .support-entry{display:none} }

/* ---------- 底部 9.9 体验横条 ---------- */
.trial-bar{
  position:fixed; left:0; right:0; bottom:0; z-index:90; overflow:hidden;
  background:linear-gradient(100deg,#ffffff 0%,#f5f7ff 46%,#eef5ff 100%);
  border-top:1px solid rgba(91,91,246,.2);
  box-shadow:0 -12px 38px -18px rgba(11,18,32,.28);
  color:var(--ink);
}
.trial-bar:before{
  content:""; position:absolute; top:0; left:0; right:0; height:2px;
  background:linear-gradient(90deg,transparent,#5b5bf6,#12b8e6,#7c6cff,transparent);
  background-size:220% 100%;
  animation:tb-flow 4.5s linear infinite;
}
@keyframes tb-flow{ to{ background-position:220% 0 } }

.tb-glow{
  position:absolute; left:0; right:0; bottom:-70px; height:150px; pointer-events:none;
  background:radial-gradient(50% 100% at 50% 100%,rgba(91,91,246,.16),transparent 72%);
  animation:tb-breathe 3.6s ease-in-out infinite;
}
@keyframes tb-breathe{ 0%,100%{opacity:.5} 50%{opacity:1} }

.tb-inner{
  position:relative; z-index:1;
  max-width:1120px; margin:0 auto; padding:12px 24px;
  display:flex; align-items:center; gap:16px;
}
.tb-badge{
  flex:0 0 auto; font-size:11px; font-weight:800; letter-spacing:.06em; color:#fff;
  padding:4px 9px; border-radius:6px;
  background:linear-gradient(135deg,#ff5c7a,#ff9f43);
  animation:tb-blink 2s ease-in-out infinite;
}
@keyframes tb-blink{
  0%,100%{ box-shadow:0 0 0 0 rgba(255,92,122,.55) }
  50%{ box-shadow:0 0 0 7px rgba(255,92,122,0) }
}
.tb-text{ min-width:0; line-height:1.25 }
.tb-text b{ display:block; font-size:15px; font-weight:800; letter-spacing:-.02em }
.tb-text span{ display:block; font-size:12px; color:var(--muted); margin-top:3px }
.tb-price{ margin-left:auto; flex:0 0 auto; text-align:right; line-height:1.1 }
.tb-price em{
  display:block; font-style:normal; font-size:26px; font-weight:800; letter-spacing:-.04em;
  background:linear-gradient(100deg,#4338ca 8%,#0e9ece 72%);
  -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;
}
.tb-price i{ display:block; font-style:normal; font-size:11px; color:#9aa6ba; margin-top:2px; text-decoration:line-through }
.tb-btn{
  flex:0 0 auto; display:inline-flex; align-items:center; gap:6px;
  height:42px; padding:0 22px; border-radius:11px;
  background:var(--grad); color:#fff; font-size:14.5px; font-weight:750;
  box-shadow:0 10px 26px -10px rgba(91,91,246,.95);
  transition:transform .16s, box-shadow .16s;
}
.tb-btn:hover{ transform:translateY(-2px); box-shadow:0 16px 34px -12px rgba(91,91,246,1); color:#fff }
.tb-btn .tb-ar{ transition:transform .16s }
.tb-btn:hover .tb-ar{ transform:translateX(3px) }
body.has-trial-bar{ padding-bottom:78px }
body.has-trial-bar .support-entry{ bottom:174px }
@media(max-width:860px){
  .trial-bar{ display:none }
  body.has-trial-bar{ padding-bottom:0 }
}

/* ---------- 控制台：套餐与充值卡（右上置顶，强调） ---------- */
.plan-card{
  position:relative; overflow:hidden;
  border-color:rgba(91,91,246,.3);
  box-shadow:0 18px 44px -24px rgba(91,91,246,.5);
}
.plan-card:before{
  content:""; position:absolute; left:0; right:0; top:0; height:3px;
  background:var(--grad);
}
.plan-head{
  display:flex; align-items:center; justify-content:space-between; gap:10px; margin-bottom:14px;
}
.plan-amount{
  display:flex; flex-direction:column; gap:3px; padding:12px 14px; margin-bottom:14px;
  border-radius:12px; border:1px solid rgba(91,91,246,.16);
  background:linear-gradient(135deg, rgba(91,91,246,.09), rgba(18,184,230,.09));
}
.plan-amount b{
  font-size:19px; font-weight:800; letter-spacing:-.02em; color:var(--ink); line-height:1.25;
}
.plan-amount span{font-size:12px; color:var(--muted)}
.plan-actions{display:flex; flex-direction:column; gap:10px; margin-top:16px}
.plan-row{display:flex; gap:10px}
.plan-row .btn{flex:1; padding-left:0; padding-right:0}

/* ---------- 控制台：两栏底部对齐 ---------- */
.dash-col{display:flex; flex-direction:column}
.dash-col > .card:last-child{flex:1}

/* ---------- 购买弹窗 ---------- */
.pay-modal{position:fixed; inset:0; z-index:120; display:none}
.pay-modal.show{display:block}
.pay-mask{
  position:absolute; inset:0; background:rgba(8,12,24,.52);
  -webkit-backdrop-filter:blur(3px); backdrop-filter:blur(3px);
}
.pay-dialog{
  position:relative; width:min(880px, calc(100% - 32px)); margin:5vh auto 0;
  background:#fff; border-radius:20px; padding:26px 26px 22px;
  box-shadow:0 44px 90px -40px rgba(8,12,24,.55);
  max-height:90vh; overflow:auto; animation:pay-in .18s ease-out;
}
@keyframes pay-in{ from{opacity:0; transform:translateY(10px)} to{opacity:1; transform:none} }
.pay-x{
  position:absolute; right:14px; top:12px; width:30px; height:30px;
  border:none; border-radius:50%; background:#f1f4f9; color:#6b7891;
  font-size:18px; line-height:1; cursor:pointer;
}
.pay-x:hover{background:#e7ecf6; color:var(--ink)}
.pay-title{font-size:19px; font-weight:800; letter-spacing:-.02em; margin:0}
.pay-sub{font-size:13px; color:var(--muted); margin:6px 0 18px}
.pay-tiers{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
.ptier{
  position:relative; display:flex; flex-direction:column; align-items:stretch; gap:6px; text-align:left;
  padding:16px 14px 14px; border:1px solid var(--line); border-radius:14px; background:#fff;
  cursor:pointer; transition:border-color .16s, box-shadow .16s;
}
.ptier:hover{border-color:rgba(91,91,246,.45)}
.ptier.is-sel{
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(91,91,246,.16), 0 12px 26px -18px rgba(91,91,246,.7);
}
.ptier-n{display:flex; align-items:center; gap:6px; font-size:14.5px; font-weight:750}
.ptier-tag{font-size:10px; font-weight:800; color:#fff; background:var(--grad); padding:2px 6px; border-radius:5px}
.ptier-p{font-size:24px; font-weight:820; letter-spacing:-.03em; line-height:1.1}
.ptier-p i{font-style:normal; font-size:14px; font-weight:700; margin-right:1px}
.ptier-p em{font-style:normal; font-size:11.5px; font-weight:600; color:var(--muted2); margin-left:3px}
.ptier-d{font-size:11.8px; color:var(--muted); line-height:1.5; min-height:34px}
.ptier ul{list-style:none; margin:2px 0 0; padding:0; font-size:12.2px; color:var(--ink2); line-height:1.95}
.ptier ul li.off{color:var(--muted2)}
.pay-foot{
  display:flex; align-items:center; gap:14px; margin-top:18px; padding-top:16px;
  border-top:1px solid var(--line); flex-wrap:wrap;
}
.pay-amount{display:flex; flex-direction:column; gap:2px}
.pay-amount span{font-size:11.8px; color:var(--muted2)}
.pay-amount b{font-size:24px; font-weight:820; letter-spacing:-.03em; color:var(--ink); line-height:1.1}
.pay-methods{display:flex; gap:8px; margin-left:auto}
.pm{
  display:inline-flex; align-items:center; gap:6px; height:40px; padding:0 14px;
  border-radius:10px; border:1px solid var(--line); background:#fff;
  color:var(--ink2); font-size:13px; font-weight:650; cursor:pointer; transition:.16s;
}
.pm svg{width:18px; height:18px}
.pm:hover{border-color:rgba(91,91,246,.4)}
.pm.is-on{
  border-color:var(--brand); color:var(--brand-d); background:rgba(91,91,246,.06);
  box-shadow:0 0 0 2px rgba(91,91,246,.14);
}
#pay-go{min-width:150px; height:44px}
@media(max-width:820px){
  .pay-tiers{grid-template-columns:1fr}
  .pay-dialog{margin-top:2vh; max-height:96vh}
  .pay-methods{margin-left:0}
}

/* ---------- 购买弹窗：付费周期选择 ---------- */
.pay-cycle{margin-top:16px; padding-top:14px; border-top:1px dashed var(--line)}
.cy-label{
  display:block; font-size:11.8px; font-weight:750; color:var(--muted2);
  letter-spacing:.04em; margin-bottom:8px;
}
.cy-list{display:grid; grid-template-columns:repeat(3,1fr); gap:8px}
.cy{
  display:flex; flex-direction:column; align-items:center; gap:2px;
  padding:9px 6px; border:1px solid var(--line); border-radius:11px; background:#fff;
  cursor:pointer; transition:border-color .16s, background .16s, box-shadow .16s;
}
.cy b{
  display:flex; align-items:center; gap:5px;
  font-size:13.5px; font-weight:750; color:var(--ink); letter-spacing:-.01em;
}
.cy b em{
  font-style:normal; font-size:10px; font-weight:800; color:#fff;
  background:var(--grad); padding:1px 5px; border-radius:4px; letter-spacing:0;
}
.cy i{font-style:normal; font-size:11.2px; color:var(--muted2)}
.cy:hover{border-color:rgba(91,91,246,.45)}
.cy.is-on{
  border-color:var(--brand); background:rgba(91,91,246,.05);
  box-shadow:0 0 0 2px rgba(91,91,246,.14);
}
.cy.is-on b{color:var(--brand-d)}
.ptier-per{
  display:block; margin-top:3px; font-size:11.2px; font-weight:650;
  color:var(--muted2); letter-spacing:0;
}
@media(max-width:820px){
  .cy-list{grid-template-columns:1fr}
}
.pay-loading{padding:28px 0; text-align:center; font-size:13px; color:var(--muted2)}

.ttrial{
  display:flex; align-items:center; gap:14px; width:100%; margin-top:12px;
  padding:13px 16px; border-radius:14px; cursor:pointer; text-align:left;
  border:1px dashed rgba(91,91,246,.42);
  background:linear-gradient(120deg, rgba(91,91,246,.07), rgba(18,184,230,.07));
  transition:border-color .16s, background .16s, box-shadow .16s;
}
.ttrial:hover{
  border-color:var(--brand);
  background:linear-gradient(120deg, rgba(91,91,246,.12), rgba(18,184,230,.10));
}
.ttrial.is-sel{
  border-style:solid; border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(91,91,246,.16);
}
.ttrial-l{display:flex; flex-direction:column; gap:3px; min-width:0}
.ttrial-l b{font-size:14px; font-weight:800; color:var(--ink); letter-spacing:-.01em}
.ttrial-l i{font-style:normal; font-size:11.8px; color:var(--muted); line-height:1.45}
.ttrial-r{
  margin-left:auto; flex:0 0 auto;
  display:inline-flex; align-items:center; gap:5px;
  font-size:12.5px; font-weight:750; color:var(--brand-d);
}

/* ---------- 扫码支付弹窗（订单二维码独立成层，不占页面） ---------- */
.qr-dialog{
  width:min(392px, calc(100% - 28px)); margin:7vh auto 0;
  padding:24px 24px 20px; text-align:center;
}
.qr-dialog .pay-title{font-size:18px}
.qr-dialog .pay-sub{margin:6px 0 0; font-size:12.8px}
.qr-box{
  width:212px; height:212px; margin:16px auto 14px; padding:12px;
  display:flex; align-items:center; justify-content:center;
  background:#fff; border:1px solid var(--line); border-radius:16px;
  box-shadow:0 16px 34px -26px rgba(8,12,24,.55);
}
.qr-box canvas, .qr-box img{display:block; width:188px; height:188px}
.qr-amount{
  margin:0; font-size:12.5px; color:var(--muted2);
  display:flex; align-items:baseline; justify-content:center; gap:6px;
}
.qr-amount b{font-size:24px; font-weight:820; letter-spacing:-.03em; color:var(--ink)}
.qr-tip{margin:7px 0 0; font-size:12px; line-height:1.65; color:var(--muted2)}
.qr-foot{margin-top:16px; padding-top:14px; border-top:1px solid var(--line)}
.qr-foot .btn{width:100%}
.qr-ok{
  width:96px; height:96px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  font-size:44px; font-weight:800; color:#fff; background:var(--ok);
}
.qr-hint{font-size:12.5px; line-height:1.7; color:var(--ink2); padding:10px}