/* ============ 全站样式 · VIP 会员官网 ============ */
:root{
  --bg:#0a0e1a;
  --bg-2:#111726;
  --bg-3:#1a2135;
  --card:#131826;
  --text:#e8ecf4;
  --muted:#8b93a7;
  --gold:#f5c64b;
  --gold-2:#d4af37;
  --gold-3:#ffe082;
  --alipay:#1677ff;
  --alipay-2:#0958d9;
  --green:#22c55e;
  --red:#ef4444;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(245,198,75,.35);
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --radius:16px;
  --radius-sm:10px;
  --container:1200px;
  --header-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  min-height:100vh;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.muted{color:var(--muted)}
.gold{color:var(--gold)}
.center{text-align:center}
.hidden{display:none!important}

/* ============ 顶栏 ============ */
.header{
  position:fixed;top:0;left:0;right:0;height:var(--header-h);
  background:rgba(10,14,26,.85);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--border);
  z-index:100;
}
.header-inner{
  max-width:var(--container);margin:0 auto;padding:0 24px;
  height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px;letter-spacing:.5px}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  display:grid;place-items:center;color:#1a1200;font-weight:800;font-size:16px;
  box-shadow:0 4px 14px rgba(245,198,75,.35);
}
.logo-text{background:linear-gradient(90deg,#fff,var(--gold-3));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;align-items:center;gap:6px}
.nav a{
  padding:8px 14px;border-radius:8px;font-size:14px;color:#c8cfdd;
  transition:background .2s,color .2s;
}
.nav a:hover{background:rgba(255,255,255,.05);color:#fff}
.nav a.active{color:var(--gold);background:rgba(245,198,75,.08)}
.header-cta{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:8px;
  align-items:center;justify-content:center;color:#fff;
}
.menu-toggle:hover{background:rgba(255,255,255,.06)}
.menu-toggle span{display:block;width:20px;height:2px;background:#fff;position:relative}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;transition:.3s;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.open span{background:transparent}
.menu-toggle.open span::before{top:0;transform:rotate(45deg)}
.menu-toggle.open span::after{top:0;transform:rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:10px;font-size:14px;font-weight:600;
  transition:transform .15s,box-shadow .2s,background .2s,color .2s;
  white-space:nowrap;border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-3),var(--gold-2));
  color:#1a1200;box-shadow:0 6px 20px rgba(245,198,75,.28);
}
.btn-gold:hover{box-shadow:0 10px 28px rgba(245,198,75,.4);color:#1a1200}
.btn-alipay{background:var(--alipay);color:#fff;box-shadow:0 6px 20px rgba(22,119,255,.28)}
.btn-alipay:hover{background:var(--alipay-2);color:#fff}
.btn-ghost{border:1px solid var(--border);color:#dfe4ee;background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--border-strong);color:var(--gold)}
.btn-lg{padding:14px 30px;font-size:15px;border-radius:12px}
.btn-sm{padding:7px 14px;font-size:13px;border-radius:8px}
.btn-block{width:100%}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none!important}

/* ============ Hero ============ */
main{padding-top:var(--header-h)}
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 88px;
  background:
    radial-gradient(1200px 500px at 20% -10%,rgba(245,198,75,.14),transparent 60%),
    radial-gradient(900px 500px at 90% 20%,rgba(22,119,255,.12),transparent 60%),
    linear-gradient(180deg,#0c1220,#0a0e1a);
}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;
  border-radius:999px;background:rgba(245,198,75,.1);
  border:1px solid rgba(245,198,75,.28);color:var(--gold);font-size:12.5px;font-weight:500;
}
.hero h1{
  font-size:clamp(32px,4.4vw,54px);line-height:1.15;margin:20px 0 18px;
  font-weight:800;letter-spacing:-.5px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(90deg,var(--gold-3),var(--gold),#ffb347);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead{font-size:17px;color:#b8c0d0;max-width:520px;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-metrics{display:flex;gap:36px;margin-top:44px;flex-wrap:wrap}
.metric .num{font-size:26px;font-weight:700;color:#fff}
.metric .num span{color:var(--gold)}
.metric .lbl{font-size:13px;color:var(--muted);margin-top:2px}
.hero-visual{position:relative;display:grid;place-items:center}
.vip-card{
  width:100%;max-width:400px;aspect-ratio:1.6/1;border-radius:22px;
  background:
    radial-gradient(600px 300px at 100% 0%,rgba(255,224,130,.35),transparent 60%),
    linear-gradient(135deg,#1e2438 0%,#0f1424 50%,#2a2114 100%);
  border:1px solid rgba(245,198,75,.35);
  box-shadow:0 30px 60px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.06);
  padding:28px;position:relative;overflow:hidden;
  transform:rotate(-4deg);
  transition:transform .5s;
}
.vip-card:hover{transform:rotate(-2deg) translateY(-6px)}
.vip-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,.08) 45%,transparent 60%);
  transform:translateX(-100%);
}
.vip-card:hover::before{animation:shine 1.2s ease-out}
@keyframes shine{to{transform:translateX(100%)}}
.vip-card .chip{
  width:44px;height:32px;border-radius:6px;
  background:linear-gradient(135deg,#f7d774,#c9a13b);
  position:relative;
}
.vip-card .chip::after{
  content:"";position:absolute;inset:6px;
  border:1px solid rgba(0,0,0,.25);border-radius:3px;
}
.vip-card .no{
  position:absolute;bottom:70px;left:28px;right:28px;
  font-family:"Courier New",monospace;font-size:18px;letter-spacing:3px;color:#e8d9a5;
}
.vip-card .foot{
  position:absolute;bottom:24px;left:28px;right:28px;
  display:flex;justify-content:space-between;align-items:flex-end;
}
.vip-card .holder{font-size:11px;color:#8b7a4a;text-transform:uppercase;letter-spacing:1.5px}
.vip-card .holder b{display:block;font-size:14px;color:#f5e6b8;letter-spacing:1px;margin-top:2px;font-weight:600}
.vip-card .tier{font-size:22px;font-weight:800;color:var(--gold-3);letter-spacing:2px}
.hero-float{
  position:absolute;background:rgba(19,24,38,.9);backdrop-filter:blur(10px);
  border:1px solid var(--border);border-radius:12px;padding:12px 16px;
  display:flex;align-items:center;gap:10px;font-size:13px;
  box-shadow:var(--shadow);
}
.hero-float.f1{top:8%;left:-4%;animation:float 5s ease-in-out infinite}
.hero-float.f2{bottom:6%;right:-2%;animation:float 6s ease-in-out infinite reverse}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green)}

/* ============ 通用区块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--bg-2)}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head h2{font-size:clamp(26px,3vw,38px);margin:14px 0 12px;font-weight:700;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:16px;margin:0}
.section-head .eyebrow{color:var(--gold);font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase}

/* ============ 权益特性 ============ */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:transform .25s,border-color .25s,box-shadow .25s;
}
.feature:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow)}
.feature-icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,rgba(245,198,75,.18),rgba(245,198,75,.05));
  border:1px solid rgba(245,198,75,.24);
  display:grid;place-items:center;color:var(--gold);margin-bottom:18px;
}
.feature h3{font-size:18px;margin:0 0 8px;font-weight:600}
.feature p{color:var(--muted);font-size:14px;margin:0}

/* ============ 套餐 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.plan{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  padding:34px 28px;position:relative;display:flex;flex-direction:column;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.plan:hover{transform:translateY(-4px);border-color:var(--border-strong)}
.plan.featured{
  border:1.5px solid transparent;
  background:
    linear-gradient(var(--card),var(--card)) padding-box,
    linear-gradient(135deg,var(--gold-3),var(--gold-2),#ff9a3c) border-box;
  transform:scale(1.03);
  box-shadow:0 20px 50px rgba(245,198,75,.15);
}
.plan.featured:hover{transform:scale(1.03) translateY(-4px)}
.plan-tag{
  position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:linear-gradient(135deg,var(--gold-3),var(--gold-2));
  color:#1a1200;font-size:12px;font-weight:700;
  padding:5px 14px;border-radius:999px;letter-spacing:.5px;
  box-shadow:0 4px 12px rgba(245,198,75,.4);
}
.plan h3{font-size:20px;margin:0 0 4px;font-weight:600}
.plan .plan-desc{color:var(--muted);font-size:13.5px;margin:0 0 20px}
.plan .price{display:flex;align-items:baseline;gap:6px;margin-bottom:6px}
.plan .price .cur{font-size:20px;color:var(--gold);font-weight:600}
.plan .price .num{font-size:44px;font-weight:800;color:#fff;letter-spacing:-1px}
.plan .price .unit{color:var(--muted);font-size:14px}
.plan .orig{color:var(--muted);font-size:13px;text-decoration:line-through;margin-bottom:22px}
.plan ul{list-style:none;padding:0;margin:0 0 26px;flex:1}
.plan ul li{
  padding:9px 0;font-size:14px;color:#c8cfdd;
  display:flex;align-items:flex-start;gap:10px;
}
.plan ul li svg{flex:none;margin-top:3px;color:var(--gold)}
.plan ul li.off{color:#5c6478;text-decoration:line-through}
.plan ul li.off svg{color:#5c6478}

/* ============ 评价 ============ */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.testi{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;
}
.testi .stars{color:var(--gold);font-size:14px;margin-bottom:12px;letter-spacing:2px}
.testi p{font-size:14.5px;color:#c8cfdd;margin:0 0 18px;line-height:1.7}
.testi .who{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),#ff9a3c);
  color:#1a1200;display:grid;place-items:center;font-weight:700;font-size:14px;
}
.who .name{font-size:14px;font-weight:600}
.who .role{font-size:12px;color:var(--muted)}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s;
}
.faq-item.open{border-color:var(--border-strong)}
.faq-q{
  padding:18px 22px;display:flex;justify-content:space-between;align-items:center;
  cursor:pointer;font-weight:500;font-size:15px;user-select:none;
}
.faq-q:hover{color:var(--gold)}
.faq-q .arrow{transition:transform .3s;color:var(--gold);flex:none;margin-left:12px}
.faq-item.open .arrow{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
  color:var(--muted);font-size:14px;
}
.faq-a-inner{padding:0 22px 20px;line-height:1.75}

/* ============ CTA 条 ============ */
.cta-bar{
  background:
    radial-gradient(600px 300px at 20% 50%,rgba(245,198,75,.18),transparent 60%),
    radial-gradient(600px 300px at 80% 50%,rgba(22,119,255,.15),transparent 60%),
    linear-gradient(135deg,#151b2e,#0d1220);
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  padding:64px 0;text-align:center;
}
.cta-bar h2{font-size:clamp(24px,3vw,34px);margin:0 0 12px}
.cta-bar p{color:var(--muted);margin:0 0 26px}

/* ============ 页脚 ============ */
.footer{
  background:#070a12;border-top:1px solid var(--border);
  padding:60px 0 24px;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer h4{font-size:14px;margin:0 0 16px;color:#fff;font-weight:600}
.footer ul{list-style:none;padding:0;margin:0}
.footer ul li{margin-bottom:10px}
.footer ul a{color:var(--muted);font-size:13.5px}
.footer ul a:hover{color:var(--gold)}
.footer-about p{color:var(--muted);font-size:13.5px;margin:14px 0 18px;max-width:320px;line-height:1.7}
.socials{display:flex;gap:10px}
.socials a{
  width:36px;height:36px;border-radius:8px;
  background:rgba(255,255,255,.04);border:1px solid var(--border);
  display:grid;place-items:center;color:var(--muted);transition:.2s;
}
.socials a:hover{color:var(--gold);border-color:var(--border-strong);background:rgba(245,198,75,.06)}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  color:var(--muted);font-size:12.5px;
}
.footer-bottom .links{display:flex;gap:20px;flex-wrap:wrap}

/* ============ 页面头 ============ */
.page-head{
  padding:64px 0 48px;text-align:center;
  background:
    radial-gradient(800px 300px at 50% 0%,rgba(245,198,75,.1),transparent 60%),
    var(--bg-2);
  border-bottom:1px solid var(--border);
}
.page-head h1{font-size:clamp(28px,3.5vw,42px);margin:0 0 12px;font-weight:700}
.page-head p{color:var(--muted);max-width:620px;margin:0 auto;font-size:15.5px}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;align-items:center;
  color:var(--muted);font-size:13px;margin-bottom:20px;
}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{opacity:.5}

/* ============ 结账页 ============ */
.checkout{
  padding:56px 0;display:grid;grid-template-columns:1fr 400px;gap:32px;align-items:flex-start;
}
.panel{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:30px;
}
.panel h2{font-size:19px;margin:0 0 20px;font-weight:600;display:flex;align-items:center;gap:10px}
.panel h2 .step{
  width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold-3),var(--gold-2));color:#1a1200;
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.pay-methods{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:22px}
.pay-method{
  border:1.5px solid var(--border);border-radius:12px;padding:16px 12px;
  text-align:center;cursor:pointer;transition:.2s;background:rgba(255,255,255,.02);
}
.pay-method:hover{border-color:rgba(255,255,255,.2)}
.pay-method.active{border-color:var(--alipay);background:rgba(22,119,255,.08)}
.pay-method.disabled{opacity:.4;cursor:not-allowed}
.pay-method .pm-icon{height:34px;display:grid;place-items:center;margin-bottom:8px;font-size:22px;font-weight:800}
.pay-method.alipay .pm-icon{color:var(--alipay)}
.pay-method.wechat .pm-icon{color:#22c55e}
.pay-method.card .pm-icon{color:var(--gold)}
.pay-method .pm-name{font-size:13px;font-weight:500}
.pay-method .pm-tip{font-size:11px;color:var(--muted);margin-top:2px}

.order-summary dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:12px 20px;font-size:14px}
.order-summary dt{color:var(--muted)}
.order-summary dd{margin:0;text-align:right;font-weight:500}
.order-summary .total-row{
  border-top:1px dashed var(--border);padding-top:14px;margin-top:6px;
  display:flex;justify-content:space-between;align-items:baseline;
}
.order-summary .total-row .lbl{color:var(--muted);font-size:14px}
.order-summary .total-row .amt{font-size:30px;font-weight:800;color:var(--gold)}
.order-summary .total-row .amt small{font-size:16px;margin-right:2px}

.qr-box{
  background:#fff;border-radius:16px;padding:24px;text-align:center;
  display:grid;place-items:center;gap:14px;
  position:relative;overflow:hidden;
}
.qr-code{
  width:220px;height:220px;
  background:
    linear-gradient(45deg,#000 25%,transparent 25%,transparent 75%,#000 75%),
    linear-gradient(45deg,#000 25%,transparent 25%,transparent 75%,#000 75%);
  background-size:12px 12px;background-position:0 0,6px 6px;
  border-radius:6px;position:relative;
}
.qr-code::after{
  content:"";position:absolute;inset:36% 36%;
  background:var(--alipay);border-radius:12px;
  display:grid;place-items:center;
  box-shadow:0 0 0 6px #fff;
}
.qr-code svg{position:absolute;inset:36%;width:28%;height:28%;color:#fff;z-index:1}
.qr-hint{color:#1f2937;font-size:14px;font-weight:600}
.qr-hint small{display:block;color:#6b7280;font-weight:400;margin-top:4px;font-size:12px}
.countdown{
  display:flex;justify-content:center;align-items:center;gap:8px;
  color:#ef4444;font-size:13.5px;font-weight:500;
}
.paid-mask{
  position:absolute;inset:0;background:rgba(255,255,255,.96);
  display:none;place-items:center;flex-direction:column;gap:12px;
  border-radius:16px;z-index:5;
}
.paid-mask.show{display:grid;animation:fadeIn .3s}
.paid-mask .check{
  width:64px;height:64px;border-radius:50%;background:var(--green);
  display:grid;place-items:center;color:#fff;
}
.paid-mask .t{color:#111;font-weight:600;font-size:16px}
.paid-mask .s{color:#6b7280;font-size:13px}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

.pay-steps{display:flex;gap:16px;margin-top:22px;padding-top:22px;border-top:1px solid var(--border)}
.pay-step{flex:1;text-align:center;font-size:12px;color:var(--muted)}
.pay-step .n{
  width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.06);
  border:1px solid var(--border);display:grid;place-items:center;
  margin:0 auto 6px;font-size:12px;color:#c8cfdd;
}
.pay-step.on .n{background:rgba(245,198,75,.15);border-color:var(--border-strong);color:var(--gold)}
.pay-step.on{color:#c8cfdd}

.order-meta{margin-top:20px;padding-top:20px;border-top:1px solid var(--border);display:grid;gap:10px;font-size:13px}
.order-meta div{display:flex;justify-content:space-between;color:var(--muted)}
.order-meta div b{color:#e8ecf4;font-weight:500;font-family:"Courier New",monospace}

/* ============ 成功页 ============ */
.success-wrap{padding:56px 0;max-width:760px;margin:0 auto}
.success-hero{text-align:center;margin-bottom:32px}
.success-hero .check-lg{
  width:88px;height:88px;border-radius:50%;margin:0 auto 20px;
  background:linear-gradient(135deg,#22c55e,#16a34a);
  display:grid;place-items:center;color:#fff;
  box-shadow:0 20px 40px rgba(34,197,94,.28);
  animation:pop .5s cubic-bezier(.68,-.55,.27,1.55);
}
@keyframes pop{from{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}
.success-hero h1{font-size:30px;margin:0 0 8px}
.success-hero p{color:var(--muted);margin:0}

.code-card{
  background:linear-gradient(135deg,#1a2135,#131826);
  border:1.5px solid var(--border-strong);border-radius:20px;
  padding:34px;text-align:center;position:relative;overflow:hidden;
}
.code-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.code-card .lbl{color:var(--muted);font-size:13px;margin-bottom:14px;letter-spacing:1px}
.code-value{
  font-family:"Courier New",Consolas,monospace;
  font-size:clamp(22px,4vw,34px);font-weight:700;letter-spacing:4px;
  color:var(--gold-3);
  padding:16px 20px;background:rgba(0,0,0,.35);border-radius:12px;
  border:1px dashed rgba(245,198,75,.3);
  word-break:break-all;margin-bottom:20px;
  cursor:pointer;transition:.2s;
}
.code-value:hover{background:rgba(245,198,75,.08)}
.code-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.code-meta{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;
  padding-top:24px;border-top:1px solid var(--border);
}
.code-meta .m{text-align:center}
.code-meta .m .k{font-size:12px;color:var(--muted);margin-bottom:4px}
.code-meta .m .v{font-size:14px;color:#fff;font-weight:500}

.next-steps{margin-top:32px}
.next-steps ol{padding-left:22px;color:#c8cfdd;font-size:14.5px;line-height:2}
.next-steps ol li::marker{color:var(--gold);font-weight:700}

/* ============ 兑换页 ============ */
.redeem-wrap{padding:64px 0;max-width:560px;margin:0 auto}
.redeem-form{display:grid;gap:16px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;font-weight:500}
.field input,.field select,.field textarea{
  width:100%;padding:13px 16px;border-radius:10px;
  background:var(--bg-3);border:1px solid var(--border);color:var(--text);
  font-size:15px;transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--gold);
  box-shadow:0 0 0 3px rgba(245,198,75,.12);
}
.field input.code-input{
  font-family:"Courier New",monospace;font-size:20px;letter-spacing:4px;
  text-align:center;text-transform:uppercase;
}
.field .hint{font-size:12px;color:var(--muted);margin-top:6px}
.field .err{font-size:12px;color:var(--red);margin-top:6px;display:none}
.field.invalid input{border-color:var(--red)}
.field.invalid .err{display:block}

/* ============ 登录/注册 ============ */
.auth-wrap{
  min-height:calc(100vh - var(--header-h));
  display:grid;place-items:center;padding:48px 24px;
  background:
    radial-gradient(600px 400px at 20% 30%,rgba(245,198,75,.08),transparent 60%),
    radial-gradient(600px 400px at 80% 70%,rgba(22,119,255,.08),transparent 60%);
}
.auth-card{
  width:100%;max-width:420px;background:var(--card);
  border:1px solid var(--border);border-radius:20px;padding:36px;
  box-shadow:var(--shadow);
}
.auth-card h1{font-size:24px;margin:0 0 6px;text-align:center}
.auth-card .sub{color:var(--muted);text-align:center;margin-bottom:28px;font-size:14px}
.tabs{
  display:flex;background:var(--bg-3);border-radius:10px;padding:4px;margin-bottom:24px;
}
.tabs button{
  flex:1;padding:10px;border-radius:8px;font-size:14px;font-weight:500;
  color:var(--muted);transition:.2s;
}
.tabs button.active{background:var(--card);color:var(--gold);box-shadow:0 2px 8px rgba(0,0,0,.2)}
.auth-form{display:grid;gap:16px}
.auth-form .row{display:flex;justify-content:space-between;align-items:center;font-size:13px}
.auth-form .row label{display:flex;align-items:center;gap:6px;color:var(--muted);cursor:pointer}
.divider{
  display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:20px 0;
}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border)}
.social-login{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.social-login button{
  padding:11px;border:1px solid var(--border);border-radius:10px;
  background:rgba(255,255,255,.02);font-size:13px;color:#c8cfdd;
  display:flex;align-items:center;justify-content:center;gap:6px;transition:.2s;
}
.social-login button:hover{border-color:var(--border-strong);color:var(--gold)}

/* ============ 法律条款 ============ */
.legal-wrap{padding:56px 0;display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:flex-start}
.legal-nav{
  position:sticky;top:calc(var(--header-h) + 24px);
  background:var(--card);border:1px solid var(--border);border-radius:12px;padding:20px;
}
.legal-nav h4{margin:0 0 12px;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.legal-nav ul{list-style:none;padding:0;margin:0}
.legal-nav li{margin-bottom:6px}
.legal-nav a{font-size:13.5px;color:#c8cfdd;display:block;padding:6px 10px;border-radius:6px}
.legal-nav a:hover,.legal-nav a.active{background:rgba(245,198,75,.08);color:var(--gold)}
.legal-content{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:40px}
.legal-content h2{font-size:24px;margin:0 0 8px;padding-bottom:14px;border-bottom:1px solid var(--border)}
.legal-content h3{font-size:17px;margin:32px 0 10px;color:var(--gold)}
.legal-content p,.legal-content li{font-size:14.5px;color:#c8cfdd;line-height:1.85}
.legal-content ul{padding-left:22px}
.legal-updated{color:var(--muted);font-size:13px;margin-bottom:24px}

/* ============ 404 ============ */
.notfound{
  min-height:calc(100vh - var(--header-h));
  display:grid;place-items:center;text-align:center;padding:40px 24px;
}
.notfound .code{
  font-size:clamp(90px,15vw,180px);font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--gold-3),var(--gold-2),#ff9a3c);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-4px;
}
.notfound h1{font-size:24px;margin:12px 0 8px}
.notfound p{color:var(--muted);margin-bottom:24px}

/* ============ Toast ============ */
.toast-wrap{
  position:fixed;top:calc(var(--header-h) + 16px);right:20px;z-index:200;
  display:grid;gap:10px;
}
.toast{
  background:var(--card);border:1px solid var(--border);border-left:3px solid var(--gold);
  border-radius:10px;padding:12px 18px;font-size:14px;min-width:220px;
  box-shadow:var(--shadow);animation:slideIn .3s;
}
.toast.success{border-left-color:var(--green)}
.toast.error{border-left-color:var(--red)}
@keyframes slideIn{from{transform:translateX(120%);opacity:0}to{transform:translateX(0);opacity:1}}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:48px;text-align:center}
  .hero p.lead{margin-left:auto;margin-right:auto}
  .hero-actions,.hero-metrics{justify-content:center}
  .hero-visual{order:-1}
  .vip-card{max-width:360px}
  .hero-float.f1{left:0}
  .hero-float.f2{right:0}
  .features,.plans,.testimonials{grid-template-columns:repeat(2,1fr)}
  .plan.featured{transform:none}
  .plan.featured:hover{transform:translateY(-4px)}
  .checkout{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .legal-wrap{grid-template-columns:1fr;gap:24px}
  .legal-nav{position:static}
}
@media (max-width:768px){
  :root{--header-h:60px}
  .container{padding:0 18px}
  .header-inner{padding:0 18px}
  .nav{
    position:fixed;top:var(--header-h);left:0;right:0;
    background:rgba(10,14,26,.98);backdrop-filter:blur(12px);
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 18px 20px;border-bottom:1px solid var(--border);
    transform:translateY(-100%);opacity:0;pointer-events:none;transition:.3s;
    max-height:calc(100vh - var(--header-h));overflow-y:auto;
  }
  .nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav a{padding:14px 12px;border-bottom:1px solid var(--border);border-radius:0;font-size:15px}
  .nav a:last-child{border-bottom:none}
  .menu-toggle{display:flex}
  .header-cta .btn{display:none}
  .hero{padding:64px 0 56px}
  .section{padding:60px 0}
  .features,.plans,.testimonials,.pay-methods{grid-template-columns:1fr}
  .code-meta{grid-template-columns:1fr;gap:12px;text-align:left}
  .code-meta .m{display:flex;justify-content:space-between;padding:8px 0;border-bottom:1px solid var(--border)}
  .code-meta .m:last-child{border-bottom:none}
  .footer{padding:44px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .panel{padding:22px}
  .auth-card{padding:26px}
  .legal-content{padding:24px}
  .hero-float{display:none}
  .qr-code{width:180px;height:180px}
  .checkout{padding:32px 0}
}
@media (max-width:420px){
  .hero-metrics{gap:20px}
  .metric .num{font-size:22px}
  .btn{padding:10px 18px;font-size:13.5px}
  .btn-lg{padding:12px 22px;font-size:14px}
}