/* ============================================================
   斑鸠策略库 · MT5 策略租售平台
   设计语言：深空底 / 青色霓虹 / 玻璃拟态 / 数据优先
   完全自包含：无外部字体、无 CDN 依赖，国内可直接秒开
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --bg:#020617;
  --bg-soft:#060c1e;
  --panel:rgba(15,23,42,.72);
  --panel-solid:#0b1120;
  --line:rgba(148,163,184,.14);
  --line-cyan:rgba(34,211,238,.28);

  --txt:#e6edf7;
  --txt-dim:#9aa9bf;
  --txt-mute:#64748b;

  --cyan:#22d3ee;
  --cyan-deep:#0891b2;
  --gold:#facc15;
  --gold-2:#eab308;
  --purple:#a855f7;
  --up:#f43f5e;      /* 涨 —— 中式配色，红涨绿跌 */
  --down:#2dd4a7;
  --warn:#fb923c;

  --r-sm:10px;
  --r:14px;
  --r-lg:22px;
  --r-xl:28px;

  --shadow:0 30px 70px -30px rgba(0,0,0,.9);
  --glow-cyan:0 0 30px rgba(34,211,238,.35);
  --glow-gold:0 0 35px rgba(234,179,8,.4);

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

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.7;
  color:var(--txt);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* 背景网格 + 顶部光晕 */
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 500px at 50% -10%,rgba(34,211,238,.10),transparent 60%),
    radial-gradient(700px 400px at 92% 8%,rgba(99,102,241,.08),transparent 60%),
    linear-gradient(rgba(34,211,238,.028) 1px,transparent 1px) 0 0/34px 34px,
    linear-gradient(90deg,rgba(34,211,238,.028) 1px,transparent 1px) 0 0/34px 34px;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--cyan);color:#001018}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}

/* ---------- 3. 布局工具 ---------- */
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1420px}
.sec{padding:92px 0}
.sec-sm{padding:60px 0}
.sec-line{border-top:1px solid var(--line)}
.center{text-align:center}

.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* ---------- 4. 排版 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11px;font-weight:800;letter-spacing:.22em;
  color:var(--cyan);text-transform:uppercase;
  padding:7px 14px;border-radius:999px;
  background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.22);
}
.eyebrow.gold{color:var(--gold);background:rgba(250,204,21,.07);border-color:rgba(250,204,21,.25)}
.eyebrow.purple{color:var(--purple);background:rgba(168,85,247,.08);border-color:rgba(168,85,247,.25)}

h1,.h1{font-size:clamp(34px,5.4vw,62px);line-height:1.14;font-weight:900;letter-spacing:-.02em}
h2,.h2{font-size:clamp(26px,3.2vw,38px);line-height:1.24;font-weight:900;letter-spacing:-.015em}
h3,.h3{font-size:19px;line-height:1.45;font-weight:800;letter-spacing:.01em}
.h4{font-size:15px;font-weight:800}
.lead{font-size:16px;line-height:1.9;color:var(--txt-dim);font-weight:400}
.muted{color:var(--txt-dim)}
.mute{color:var(--txt-mute)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.grad-cyan{
  background:linear-gradient(100deg,#67e8f9 0%,#22d3ee 40%,#3b82f6 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.grad-gold{
  background:linear-gradient(100deg,#fef08a,#facc15 45%,#f59e0b);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.up{color:var(--up)}
.down{color:var(--down)}
.sec-head{max-width:720px;margin:0 auto 52px;text-align:center}
.sec-head .lead{margin-top:16px}
.sec-head .eyebrow{margin-bottom:20px}
.row-between{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 5. 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:90;
  background:rgba(2,6,23,.78);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid rgba(34,211,238,.12);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(150deg,#22d3ee,#0ea5e9 55%,#1d4ed8);
  box-shadow:0 0 22px rgba(34,211,238,.45);
}
.brand-mark svg{width:21px;height:21px}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-size:16px;font-weight:900;letter-spacing:.02em;color:#fff}
.brand-txt em{
  font-style:normal;font-family:var(--mono);
  font-size:8.5px;letter-spacing:.24em;color:var(--cyan);font-weight:700;
}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:8px}
.nav-links a{
  position:relative;padding:8px 13px;border-radius:9px;
  font-size:13.5px;font-weight:700;color:var(--txt-dim);
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:#fff;background:rgba(148,163,184,.08)}
.nav-links a.on{color:var(--cyan)}
.nav-links a.on::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:linear-gradient(90deg,transparent,var(--cyan),transparent);
}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-mini{font-size:12.5px;font-weight:700;color:var(--txt-mute);padding:8px 10px}
.nav-mini:hover{color:var(--cyan)}
.nav-burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:10px;background:rgba(15,23,42,.6);position:relative;
}
.nav-burger span,.nav-burger span::before,.nav-burger span::after{
  position:absolute;left:11px;width:18px;height:2px;border-radius:2px;background:var(--txt-dim);
  transition:.25s;content:"";
}
.nav-burger span{top:19px}
.nav-burger span::before{top:-6px;left:0}
.nav-burger span::after{top:6px;left:0}
.nav-burger[aria-expanded="true"] span{background:transparent}
.nav-burger[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);background:var(--cyan)}
.nav-burger[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);background:var(--cyan)}

@media(max-width:1080px){
  .nav-links{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 22px;margin:0;
    background:rgba(6,12,30,.98);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:15px;border-radius:10px}
  .nav-links a.on::after{display:none}
  .nav-burger{display:block}
  .nav-mini{display:none}
}

/* ---------- 6. 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  font-size:13.5px;font-weight:900;letter-spacing:.06em;
  transition:transform .2s,box-shadow .25s,background .2s,border-color .2s,color .2s;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:0 0 auto}
.btn-gold{
  background:linear-gradient(135deg,#fde047,#eab308);
  color:#160f00;box-shadow:0 8px 26px -8px rgba(234,179,8,.55);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(234,179,8,.65)}
.btn-cyan{
  background:linear-gradient(135deg,#22d3ee,#0891b2);color:#00131a;
  box-shadow:0 8px 26px -8px rgba(34,211,238,.6);
}
.btn-cyan:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(34,211,238,.7)}
.btn-ghost{
  background:rgba(15,23,42,.6);border-color:rgba(148,163,184,.22);color:var(--txt);
}
.btn-ghost:hover{border-color:var(--line-cyan);color:#fff;background:rgba(30,41,59,.75)}
.btn-line{border-color:rgba(34,211,238,.4);color:var(--cyan);background:rgba(34,211,238,.06)}
.btn-line:hover{background:rgba(34,211,238,.14);box-shadow:var(--glow-cyan)}
.btn-sm{padding:10px 18px;font-size:12px;border-radius:10px}
.btn-lg{padding:17px 34px;font-size:14.5px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important;box-shadow:none}

/* ---------- 7. 徽标 / 药丸 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;
  font-size:10.5px;font-weight:800;letter-spacing:.1em;
  background:rgba(148,163,184,.1);color:var(--txt-dim);
  border:1px solid rgba(148,163,184,.16);
}
.pill-cyan{background:rgba(34,211,238,.12);color:var(--cyan);border-color:rgba(34,211,238,.3)}
.pill-gold{background:rgba(250,204,21,.12);color:var(--gold);border-color:rgba(250,204,21,.32)}
.pill-purple{background:rgba(168,85,247,.14);color:#d8b4fe;border-color:rgba(168,85,247,.32)}
.pill-up{background:rgba(244,63,94,.12);color:var(--up);border-color:rgba(244,63,94,.28)}
.pill-down{background:rgba(45,212,167,.12);color:var(--down);border-color:rgba(45,212,167,.28)}
.dot-live{width:6px;height:6px;border-radius:50%;background:#34d399;position:relative}
.dot-live::after{
  content:"";position:absolute;inset:-3px;border-radius:50%;
  background:rgba(52,211,153,.4);animation:ping 1.8s ease-out infinite;
}
@keyframes ping{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.2);opacity:0}}

/* ---------- 8. 卡片 ---------- */
.card{
  background:var(--panel);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px;
  transition:border-color .25s,transform .25s,box-shadow .25s,background .25s;
}
.card-hover:hover{
  border-color:var(--line-cyan);transform:translateY(-4px);
  box-shadow:0 24px 50px -28px rgba(0,0,0,.9),var(--glow-cyan);
}
.card-tight{padding:20px}
.card-cyan{border-top:2px solid var(--cyan)}
.card-gold{border-top:2px solid var(--gold)}
.card-purple{border-top:2px solid var(--purple)}
.card-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.22);color:var(--cyan);
}
.card-ico svg{width:22px;height:22px}
.card-ico.gold{background:rgba(250,204,21,.1);border-color:rgba(250,204,21,.25);color:var(--gold)}
.card-ico.purple{background:rgba(168,85,247,.1);border-color:rgba(168,85,247,.25);color:var(--purple)}
.card p{color:var(--txt-dim);font-size:13.5px;line-height:1.85}

/* ---------- 9. 首屏 ---------- */
.hero{position:relative;padding:74px 0 84px;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center}
@media(max-width:1024px){.hero-grid{grid-template-columns:1fr;gap:44px}}
.hero h1{margin:22px 0 22px}
.hero .lead{max-width:530px;font-size:16.5px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:20px;font-size:12px;color:var(--txt-mute)}
.hero-note svg{width:14px;height:14px;color:var(--down);flex:0 0 auto}

/* 终端卡片 */
.term{
  border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(180deg,rgba(12,20,40,.94),rgba(6,11,25,.94));
  border:1px solid rgba(34,211,238,.2);
  box-shadow:0 40px 90px -40px rgba(0,0,0,1),0 0 50px -20px rgba(34,211,238,.25);
}
.term-bar{
  display:flex;align-items:center;gap:8px;padding:12px 16px;
  border-bottom:1px solid rgba(148,163,184,.12);
  background:rgba(2,6,23,.5);
}
.term-bar i{width:9px;height:9px;border-radius:50%;background:#334155;display:block}
.term-bar i:nth-child(1){background:#f43f5e55}
.term-bar i:nth-child(2){background:#facc1555}
.term-bar i:nth-child(3){background:#34d39955}
.term-title{margin-left:8px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;color:var(--txt-mute)}
.term-body{padding:20px}
.term-quote{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:16px}
.term-sym{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:var(--txt-mute)}
.term-price{font-family:var(--mono);font-size:34px;font-weight:800;line-height:1;letter-spacing:-.02em;color:#fff;margin-top:6px}
.term-chg{font-family:var(--mono);font-size:12px;font-weight:700;margin-top:8px}
.term-rows{border-top:1px solid rgba(148,163,184,.1);margin-top:16px;padding-top:14px;display:grid;gap:9px}
.term-row{display:flex;justify-content:space-between;align-items:center;font-size:12px}
.term-row span:first-child{color:var(--txt-mute)}
.term-row span:last-child{font-family:var(--mono);font-weight:700;font-size:12px}
.term-foot{
  display:flex;align-items:center;justify-content:space-between;
  padding:12px 20px;border-top:1px solid rgba(148,163,184,.12);
  background:rgba(2,6,23,.4);font-size:11px;color:var(--txt-mute);
}

/* 数字条 */
.strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(8,14,32,.5)}
.strip-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0}
@media(max-width:720px){.strip-inner{grid-template-columns:1fr 1fr;gap:26px}}
.strip-item{text-align:center}
.strip-n{font-family:var(--mono);font-size:clamp(24px,3.4vw,34px);font-weight:800;color:#fff;line-height:1.1}
.strip-n.cyan{color:var(--cyan)}
.strip-n.gold{color:var(--gold)}
.strip-l{font-size:11px;letter-spacing:.16em;color:var(--txt-mute);font-weight:700;margin-top:6px;text-transform:uppercase}

/* ---------- 10. 策略卡 ---------- */
.ea-card{
  position:relative;display:flex;flex-direction:column;gap:16px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.ea-card:hover{border-color:var(--line-cyan);transform:translateY(-5px);box-shadow:0 26px 55px -30px #000,var(--glow-cyan)}
.ea-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.ea-name{font-size:17.5px;font-weight:900;color:#fff;letter-spacing:.01em}
.ea-sub{font-size:11.5px;color:var(--txt-mute);font-family:var(--mono);letter-spacing:.08em;margin-top:3px}
.ea-desc{font-size:13px;line-height:1.8;color:var(--txt-dim);min-height:46px}
.ea-meta{display:flex;flex-wrap:wrap;gap:6px}
.ea-kv{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;padding:14px 0;border-top:1px dashed rgba(148,163,184,.14);border-bottom:1px dashed rgba(148,163,184,.14)}
.ea-kv div{text-align:center}
.ea-kv b{display:block;font-family:var(--mono);font-size:15px;font-weight:800;color:#fff}
.ea-kv span{display:block;font-size:10px;color:var(--txt-mute);letter-spacing:.08em;margin-top:2px}
.ea-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto}
.ea-price b{font-family:var(--mono);font-size:22px;font-weight:800;color:var(--gold);letter-spacing:-.02em}
.ea-price span{font-size:11px;color:var(--txt-mute);margin-left:3px}
.ea-price em{display:block;font-style:normal;font-size:10.5px;color:var(--txt-mute);margin-top:-2px}

/* 风险点 */
.risk{display:inline-flex;align-items:center;gap:2px}
.risk i{width:5px;height:5px;border-radius:50%;background:rgba(148,163,184,.25);display:block}
.risk i.f{background:var(--warn);box-shadow:0 0 8px rgba(251,146,60,.6)}
.risk i.f.hi{background:var(--up);box-shadow:0 0 8px rgba(244,63,94,.6)}

/* ---------- 11. 筛选条 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:26px}
.chip{
  padding:8px 15px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(15,23,42,.6);border:1px solid var(--line);color:var(--txt-dim);
  transition:.2s;
}
.chip:hover{border-color:var(--line-cyan);color:#fff}
.chip.on{background:rgba(34,211,238,.14);border-color:rgba(34,211,238,.45);color:var(--cyan)}
.search{
  flex:1;min-width:200px;display:flex;align-items:center;gap:9px;
  padding:9px 14px;border-radius:999px;background:rgba(15,23,42,.6);border:1px solid var(--line);
}
.search svg{width:15px;height:15px;color:var(--txt-mute);flex:0 0 auto}
.search input{flex:1;background:none;border:0;outline:none;font-size:13px;color:var(--txt)}
.search input::placeholder{color:var(--txt-mute)}

/* ---------- 12. 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:rgba(9,15,32,.6)}
table.tbl{width:100%;border-collapse:collapse;font-size:13px;min-width:600px}
.tbl th{
  text-align:left;padding:12px 16px;font-size:10.5px;letter-spacing:.14em;
  color:var(--txt-mute);font-weight:800;text-transform:uppercase;
  border-bottom:1px solid var(--line);background:rgba(2,6,23,.6);white-space:nowrap;
}
.tbl td{padding:13px 16px;border-bottom:1px solid rgba(148,163,184,.07);color:var(--txt-dim)}
.tbl tr:last-child td{border-bottom:0}
.tbl tbody tr:hover td{background:rgba(34,211,238,.04);color:var(--txt)}
.tbl .num{font-family:var(--mono);font-weight:700;text-align:right;color:#fff}
.tbl th.num{text-align:right}

/* ---------- 13. 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
@media(max-width:900px){.steps{grid-template-columns:1fr 1fr;gap:28px}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}
.step{position:relative;padding-right:26px}
.step-n{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-family:var(--mono);font-weight:800;font-size:14px;
  background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.3);color:var(--cyan);
  margin-bottom:16px;
}
.step h4{font-size:14.5px;font-weight:800;color:#fff;margin-bottom:7px}
.step p{font-size:12.5px;color:var(--txt-dim);line-height:1.75}
.step:not(:last-child)::after{
  content:"";position:absolute;top:19px;left:52px;right:10px;height:1px;
  background:linear-gradient(90deg,rgba(34,211,238,.4),rgba(34,211,238,0));
}
@media(max-width:900px){.step:not(:last-child)::after{display:none}}

/* ---------- 14. 套餐 ---------- */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
@media(max-width:900px){.plans{grid-template-columns:1fr}}
.plan{
  position:relative;display:flex;flex-direction:column;gap:16px;
  padding:28px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
  transition:.25s;
}
.plan:hover{transform:translateY(-4px);border-color:var(--line-cyan)}
.plan.best{
  border-color:rgba(250,204,21,.45);
  background:linear-gradient(180deg,rgba(250,204,21,.08),rgba(15,23,42,.72) 42%);
  box-shadow:0 30px 70px -40px rgba(250,204,21,.5);
}
.plan-tag{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  padding:4px 14px;border-radius:999px;font-size:10px;font-weight:900;letter-spacing:.14em;
  background:linear-gradient(135deg,#fde047,#eab308);color:#170f00;white-space:nowrap;
}
.plan-name{font-size:13px;font-weight:900;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase}
.plan.best .plan-name{color:var(--gold)}
.plan-price{display:flex;align-items:flex-end;gap:6px}
.plan-price b{font-family:var(--mono);font-size:40px;font-weight:800;line-height:1;letter-spacing:-.03em;color:#fff}
.plan-price span{font-size:12px;color:var(--txt-mute);padding-bottom:5px}
.plan-old{font-size:12px;color:var(--txt-mute);text-decoration:line-through;margin-top:-8px}
.plan ul{display:grid;gap:9px;margin-top:2px}
.plan li{display:flex;gap:9px;font-size:12.5px;color:var(--txt-dim);line-height:1.6}
.plan li svg{width:15px;height:15px;flex:0 0 auto;margin-top:2px;color:var(--down)}
.plan li.off{color:var(--txt-mute)}
.plan li.off svg{color:var(--txt-mute)}
.plan .btn{margin-top:auto}

/* ---------- 15. FAQ ---------- */
.faq{border:1px solid var(--line);border-radius:var(--r);background:rgba(9,15,32,.55);overflow:hidden}
.faq + .faq{margin-top:10px}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:17px 20px;font-size:14px;font-weight:800;color:var(--txt);
  cursor:pointer;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";font-family:var(--mono);font-size:18px;color:var(--cyan);
  transition:transform .25s;flex:0 0 auto;line-height:1;
}
.faq[open] summary::after{content:"−"}
.faq[open] summary{color:#fff;border-bottom:1px solid var(--line)}
.faq .faq-body{padding:16px 20px 20px;font-size:13px;line-height:1.9;color:var(--txt-dim)}
.faq .faq-body code{
  font-family:var(--mono);font-size:12px;padding:1px 6px;border-radius:5px;
  background:rgba(34,211,238,.1);color:var(--cyan);
}

/* ---------- 16. 表单 ---------- */
.field{display:grid;gap:7px}
.field label{font-size:11.5px;font-weight:800;letter-spacing:.1em;color:var(--txt-mute);text-transform:uppercase}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:11px;
  background:rgba(2,6,23,.7);border:1px solid rgba(148,163,184,.18);
  font-size:13.5px;outline:none;transition:.2s;
}
.field input::placeholder,.field textarea::placeholder{color:#4b5b73}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(34,211,238,.55);box-shadow:0 0 0 3px rgba(34,211,238,.12);
}
.field .hint{font-size:11px;color:var(--txt-mute)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}
.checkline{display:flex;gap:10px;align-items:flex-start;font-size:11.5px;color:var(--txt-dim);line-height:1.7}
.checkline input{margin-top:3px;width:15px;height:15px;accent-color:var(--cyan);flex:0 0 auto}
.checkline a{color:var(--cyan);text-decoration:underline}

/* ---------- 17. 弹窗 / 提示 ---------- */
.modal{
  position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:20px;
  background:rgba(2,6,23,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.modal.open{opacity:1;pointer-events:auto}
.modal-box{
  width:100%;max-width:480px;max-height:88vh;overflow:auto;
  background:linear-gradient(180deg,rgba(15,23,42,.98),rgba(8,13,28,.98));
  border:1px solid rgba(34,211,238,.28);border-radius:var(--r-xl);
  padding:28px;box-shadow:0 50px 100px -30px #000,var(--glow-cyan);
  transform:scale(.96) translateY(8px);transition:transform .25s;
}
.modal.open .modal-box{transform:none}
.modal-box.wide{max-width:620px}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:6px}
.modal-head h3{font-size:19px;font-weight:900;color:#fff}
.modal-x{
  width:32px;height:32px;flex:0 0 auto;border-radius:9px;border:1px solid var(--line);
  background:rgba(15,23,42,.7);display:grid;place-items:center;color:var(--txt-mute);
}
.modal-x:hover{color:#fff;border-color:var(--line-cyan)}
.modal-x svg{width:14px;height:14px}
.modal-sub{font-size:12.5px;color:var(--txt-dim);margin-bottom:20px;line-height:1.7}
.modal-foot{margin-top:18px;font-size:11px;color:var(--txt-mute);line-height:1.7;text-align:center}

.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);
  z-index:300;padding:13px 22px;border-radius:12px;
  background:rgba(6,12,30,.97);border:1px solid rgba(34,211,238,.4);
  font-size:13px;font-weight:700;color:#fff;box-shadow:var(--shadow),var(--glow-cyan);
  opacity:0;pointer-events:none;transition:.3s;max-width:90vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 订单摘要 */
.summary{border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:rgba(2,6,23,.5)}
.summary-row{display:flex;justify-content:space-between;gap:14px;padding:11px 16px;font-size:12.5px;border-bottom:1px solid rgba(148,163,184,.08)}
.summary-row:last-child{border-bottom:0}
.summary-row span:first-child{color:var(--txt-mute)}
.summary-row span:last-child{font-family:var(--mono);font-weight:700;color:#fff}
.summary-row.total{background:rgba(250,204,21,.06)}
.summary-row.total span:last-child{color:var(--gold);font-size:16px}

/* ---------- 18. 图表 ---------- */
.chart{width:100%;overflow:hidden;border-radius:var(--r)}
.chart svg{width:100%;height:auto;display:block}
.chart-legend{display:flex;gap:16px;flex-wrap:wrap;margin-top:12px;font-size:11px;color:var(--txt-mute)}
.chart-legend i{display:inline-block;width:8px;height:8px;border-radius:2px;margin-right:5px}

/* ---------- 19. 页脚 ---------- */
.foot{border-top:1px solid var(--line);background:rgba(2,6,23,.7);padding:56px 0 30px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
@media(max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:560px){.foot-grid{grid-template-columns:1fr}}
.foot h5{font-size:11px;font-weight:900;letter-spacing:.16em;color:#fff;text-transform:uppercase;margin-bottom:16px}
.foot a{display:block;font-size:13px;color:var(--txt-dim);padding:5px 0;transition:.2s}
.foot a:hover{color:var(--cyan)}
.foot p{font-size:12.5px;color:var(--txt-mute);line-height:1.9;max-width:320px}
.risk-note{
  margin-top:38px;padding:18px 20px;border-radius:var(--r);
  background:rgba(251,146,60,.05);border:1px solid rgba(251,146,60,.18);
  font-size:11.5px;line-height:1.85;color:#b9a48f;
}
.risk-note b{color:var(--warn)}
.foot-bot{
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(148,163,184,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:11.5px;color:var(--txt-mute);
}

/* ---------- 20. 其它块 ---------- */
.quote{
  border-left:2px solid var(--cyan);padding:4px 0 4px 18px;
  font-size:13.5px;color:var(--txt-dim);line-height:1.9;
}
.kv-list{display:grid;gap:0}
.kv-list div{display:flex;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.1);font-size:13px}
.kv-list div:last-child{border-bottom:0}
.kv-list span:first-child{color:var(--txt-mute)}
.kv-list span:last-child{font-weight:700;color:#fff}

.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:26px;overflow-x:auto}
.tab{
  padding:12px 18px;font-size:13.5px;font-weight:800;color:var(--txt-mute);
  border-bottom:2px solid transparent;white-space:nowrap;background:none;border-top:0;border-left:0;border-right:0;
}
.tab:hover{color:var(--txt)}
.tab.on{color:var(--cyan);border-bottom-color:var(--cyan)}
.tab-panel{display:none}
.tab-panel.on{display:block;animation:fade .3s ease}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.banner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:34px 38px;border-radius:var(--r-xl);
  background:linear-gradient(110deg,rgba(34,211,238,.12),rgba(99,102,241,.08) 50%,rgba(250,204,21,.08));
  border:1px solid rgba(34,211,238,.25);
}
.banner h3{font-size:22px;font-weight:900;color:#fff}
.banner p{font-size:13px;color:var(--txt-dim);margin-top:6px;max-width:560px}

.reveal{opacity:0;transform:translateY(18px)}
.reveal.in{opacity:1;transform:none;transition:opacity .65s ease,transform .65s cubic-bezier(.2,.7,.2,1)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* 页面头部 */
.page-head{
  padding:64px 0 40px;border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(34,211,238,.05),transparent 70%);
}
.page-head h1{font-size:clamp(30px,4vw,46px);margin:18px 0 16px}
.page-head .lead{max-width:680px}
.crumb{font-size:12px;color:var(--txt-mute);display:flex;gap:8px;align-items:center}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:#334155}

/* 侧栏文档 */
.doc-wrap{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}
@media(max-width:900px){.doc-wrap{grid-template-columns:1fr;gap:28px}}
.doc-nav{position:sticky;top:92px;display:grid;gap:3px;border-left:1px solid var(--line);padding-left:16px}
.doc-nav a{font-size:13px;color:var(--txt-dim);padding:7px 0;transition:.2s}
.doc-nav a:hover{color:var(--cyan)}
.doc-nav a.on{color:var(--cyan);font-weight:800}
.doc-body h3{margin:38px 0 14px;font-size:19px;color:#fff;padding-top:8px}
.doc-body h3:first-child{margin-top:0}
.doc-body h4{margin:22px 0 10px;font-size:14.5px;color:#fff}
.doc-body p{color:var(--txt-dim);font-size:13.5px;line-height:1.95;margin-bottom:12px}
.doc-body ul{margin:0 0 16px;display:grid;gap:8px}
.doc-body ul li{position:relative;padding-left:18px;font-size:13.5px;color:var(--txt-dim);line-height:1.85}
.doc-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:5px;height:5px;border-radius:2px;background:var(--cyan);opacity:.7}
.doc-body ol{counter-reset:s;display:grid;gap:10px;margin-bottom:18px}
.doc-body ol li{counter-increment:s;position:relative;padding-left:34px;font-size:13.5px;color:var(--txt-dim);line-height:1.85}
.doc-body ol li::before{
  content:counter(s);position:absolute;left:0;top:1px;width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;font-family:var(--mono);font-size:11px;font-weight:800;
  background:rgba(34,211,238,.12);color:var(--cyan);border:1px solid rgba(34,211,238,.25);
}
.code{
  font-family:var(--mono);font-size:12.5px;line-height:1.8;
  background:rgba(2,6,23,.8);border:1px solid rgba(148,163,184,.16);
  border-radius:var(--r);padding:16px 18px;color:#a5d8e8;overflow-x:auto;
  margin:0 0 18px;white-space:pre;
}
.note-box{
  padding:16px 18px;border-radius:var(--r);margin-bottom:18px;
  background:rgba(34,211,238,.05);border-left:2px solid var(--cyan);
  font-size:13px;color:var(--txt-dim);line-height:1.85;
}
.note-box.warn{background:rgba(251,146,60,.06);border-left-color:var(--warn);color:#c4ae97}

/* 授权状态卡 */
.lic-card{
  display:flex;gap:20px;align-items:center;justify-content:space-between;flex-wrap:wrap;
  padding:22px 26px;border-radius:var(--r-lg);
  background:var(--panel);border:1px solid var(--line);
}
.lic-card.ok{border-color:rgba(45,212,167,.35);background:linear-gradient(120deg,rgba(45,212,167,.07),rgba(15,23,42,.75))}
.lic-card.exp{border-color:rgba(251,146,60,.35);background:linear-gradient(120deg,rgba(251,146,60,.07),rgba(15,23,42,.75))}
.lic-id{font-family:var(--mono);font-size:20px;font-weight:800;color:#fff;letter-spacing:.02em}
.lic-meta{font-size:12px;color:var(--txt-mute);margin-top:4px}

.empty{
  padding:56px 24px;text-align:center;border:1px dashed rgba(148,163,184,.22);
  border-radius:var(--r-lg);color:var(--txt-mute);font-size:13.5px;
}

/* ---------- 会员中心：支付方式选项 / 权益清单 ---------- */
.pay-opt{
  display:inline-flex;align-items:center;gap:9px;cursor:pointer;
  padding:10px 18px;border-radius:999px;font-size:13.5px;color:var(--txt-dim);
  background:rgba(148,163,184,.07);border:1px solid var(--line);
  transition:border-color .18s,color .18s,background .18s;user-select:none;
}
.pay-opt:hover{border-color:rgba(34,211,238,.4);color:var(--txt)}
.pay-opt input{appearance:none;-webkit-appearance:none;width:14px;height:14px;margin:0;
  border-radius:50%;border:1.5px solid rgba(148,163,184,.5);position:relative;cursor:pointer;transition:border-color .18s}
.pay-opt input:checked{border-color:var(--cyan)}
.pay-opt input:checked::after{content:'';position:absolute;inset:2px;border-radius:50%;background:var(--cyan)}
.pay-opt:has(input:checked){border-color:rgba(34,211,238,.55);color:#fff;background:rgba(34,211,238,.1)}

.tick{list-style:none;padding:0;margin:0}
.tick li{position:relative;padding-left:20px;margin-bottom:6px}
.tick li::before{
  content:'';position:absolute;left:2px;top:.62em;width:9px;height:5px;
  border-left:1.7px solid var(--cyan);border-bottom:1.7px solid var(--cyan);
  transform:rotate(-45deg);transform-origin:left center;
}