:root{
  color-scheme:light;
  --ink:#1e2227;
  --muted:#747b84;
  --paper:#f5f5f2;
  --paper-2:#efefeb;
  --line:#e5e6e4;
  --line-strong:#d6d8d5;
  --pink:#ef6e9c;
  --pink-soft:#fff0f5;
  --pink-deep:#c94d78;
  --dark:#20232a;
  --dark-2:#2c3038;
  --ok:#3f7d5a;
  --warn:#b63251;
  --sans:"Segoe UI","Microsoft YaHei","PingFang SC","Noto Sans SC",sans-serif;
  --mono:"JetBrains Mono","Cascadia Code",Consolas,"Courier New",monospace;
  --shadow:0 18px 40px -24px rgba(30,34,39,.35);
  --shadow-soft:0 10px 24px -18px rgba(30,34,39,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{
  margin:0;color:var(--ink);background:var(--paper);font-family:var(--sans);
  font-size:14px;line-height:1.65;-webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.55;
  background-image:radial-gradient(rgba(30,34,39,.11) .6px,transparent .6px);
  background-size:22px 22px;
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.35) 55%,transparent 100%);
}
:focus-visible{outline:2px solid var(--pink-deep);outline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:1px solid var(--line-strong);background:#fff;padding:10px 16px;border-radius:10px;font-weight:600;transition:background .18s,border-color .18s,transform .18s,box-shadow .18s}
button:hover:not(:disabled){background:#fafafa;border-color:#b8bcc2}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled{cursor:not-allowed;opacity:.5}
input,textarea{width:100%;padding:11px 12px;border:1px solid #dfe1e5;border-radius:9px;background:#fff;transition:border-color .18s,box-shadow .18s}
input::placeholder,textarea::placeholder{color:#9298a1}
input:focus,textarea:focus{border-color:var(--pink);box-shadow:0 0 0 3px rgba(239,110,156,.16);outline:none}
a{color:inherit}
h1,h2,h3,p{margin:0}
.hidden,[hidden]{display:none!important}
.wrap{width:min(1120px,calc(100% - 48px));margin-inline:auto;position:relative;z-index:1}
.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
.primary{background:var(--dark);color:#fff;border-color:var(--dark)}
.primary:hover:not(:disabled){background:#3b3f47;border-color:#3b3f47;color:#fff}
.pink{background:var(--pink);border-color:var(--pink);color:#25131c}
.pink:hover:not(:disabled){background:#f28aae;border-color:#f28aae}
.ghost{background:transparent}
.small-button{font-size:12px;padding:7px 11px;border-radius:8px}
.danger{color:var(--warn)}
.danger:hover:not(:disabled){border-color:var(--warn);background:#fff5f6}

/* ---------- shine（扫光）
   效果思路参考 React Bits 的 ShinyText 组件（MIT + Commons Clause），
   这里用原生 CSS 重新实现，未复制其源码。 */
.shine{position:relative;overflow:hidden;isolation:isolate}
.shine::after{content:"";position:absolute;top:-60%;bottom:-60%;left:-80%;width:60%;pointer-events:none;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.28),transparent);
  transform:skewX(-18deg);animation:shine-sweep 1.6s ease .9s 1 both}
.shine:hover::after{animation:shine-sweep 1.1s ease 1 both}
@keyframes shine-sweep{
  from{transform:translateX(-180%) skewX(-18deg)}
  to{transform:translateX(320%) skewX(-18deg)}
}

/* ---------- top bar + header ---------- */
.topbar{background:var(--dark);color:#cfd2d7;font-size:11.5px;letter-spacing:.08em;position:relative;z-index:3}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:7px 0;font-family:var(--mono)}
.topbar b{color:#fff;font-weight:600}
.topbar .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--pink);margin-right:7px;vertical-align:1px;box-shadow:0 0 0 3px rgba(239,110,156,.18)}
.site-head{position:sticky;top:0;z-index:20;background:rgba(245,245,242,.9);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.site-head .wrap{display:flex;align-items:center;gap:24px;height:66px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--dark);color:#fff;display:grid;place-items:center;font-weight:800;font-size:14px;letter-spacing:-.02em;position:relative;box-shadow:var(--shadow-soft)}
.brand-mark::after{content:"";position:absolute;right:7px;top:7px;width:5px;height:5px;border-radius:50%;background:var(--pink)}
/* 图片版标志：替换原文字「788」，裁成圆角方形 */
.brand-mark.is-logo{background:#fff;overflow:hidden;padding:0}
.brand-mark.is-logo img{width:100%;height:100%;object-fit:cover;display:block}
.brand-mark.is-logo::after{display:none}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;letter-spacing:-.01em}
.brand-text small{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:var(--muted)}
.nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav a{text-decoration:none;font-size:13.5px;color:#4b5158;padding:8px 12px;border-radius:8px;font-weight:600;white-space:nowrap}
.nav a:hover{background:#ebebe7;color:var(--ink)}
.head-cta{background:var(--dark);color:#fff;border-color:var(--dark);white-space:nowrap}
.head-cta:hover:not(:disabled){background:#3b3f47;border-color:#3b3f47;color:#fff}
.menu-btn{display:none;margin-left:auto;width:40px;height:40px;padding:0;border-radius:10px;font-size:18px;line-height:1}

/* ---------- hero ---------- */
.hero{padding:72px 0 54px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;left:50%;top:-160px;width:760px;height:420px;transform:translateX(-30%);background:radial-gradient(closest-side,rgba(239,110,156,.16),transparent 70%);pointer-events:none;z-index:0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:54px;align-items:center}
.hero h1{font-size:clamp(38px,5.2vw,66px);line-height:1.06;letter-spacing:-.045em;font-weight:800;margin:16px 0 0}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap;z-index:1}
.hero h1 em::after{content:"";position:absolute;left:-2px;right:-2px;bottom:.08em;height:.28em;background:var(--pink);opacity:.36;z-index:-1;border-radius:3px;transform:rotate(-.6deg)}
.hero-lead{max-width:33em;margin-top:20px;color:#5c636b;font-size:15px;line-height:1.8}
.hero-lead strong{color:var(--ink)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-actions .primary{padding:12px 22px}
.hero-note{display:flex;align-items:flex-start;gap:8px;margin-top:22px;font-size:12.5px;color:var(--muted);max-width:34em}
.hero-note svg{flex:0 0 auto;margin-top:2px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;margin-top:34px;border-top:1px solid var(--line);padding-top:18px}
.hero-stats div{padding-right:26px;margin-right:26px;border-right:1px solid var(--line)}
.hero-stats div:last-child{border-right:0;margin-right:0;padding-right:0}
.hero-stats b{display:block;font-family:var(--mono);font-size:19px;letter-spacing:-.03em}
.hero-stats span{font-size:11.5px;color:var(--muted)}

/* pass ticket */
.pass{
  position:relative;background:#fff;border:1px solid var(--line-strong);border-radius:18px;
  box-shadow:var(--shadow);padding:26px 26px 0;transform:rotate(1.4deg);
  transition:transform .45s cubic-bezier(.2,.8,.2,1),box-shadow .45s;max-width:390px;margin-left:auto;
}
.pass:hover{transform:rotate(0) translateY(-4px);box-shadow:0 26px 50px -26px rgba(30,34,39,.4)}
.pass::before{content:"";position:absolute;inset:8px;border:1px dashed #d9dad6;border-radius:12px;pointer-events:none}
.pass-top{display:flex;align-items:center;justify-content:space-between;position:relative;z-index:1}
.pass-kicker{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--muted)}
.pass-seal{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--pink);display:grid;place-items:center;transform:rotate(-12deg);background:var(--pink-soft);overflow:hidden;padding:0}
.pass-seal img{width:100%;height:100%;object-fit:cover;display:block}
.pass-title{font-size:25px;font-weight:800;letter-spacing:-.02em;margin-top:16px;position:relative;z-index:1}
.pass-sub{font-size:12.5px;color:var(--muted);margin-top:2px;position:relative;z-index:1}
.pass-amount{display:flex;align-items:baseline;gap:8px;margin:20px 0 6px;position:relative;z-index:1}
.pass-amount b{font-family:var(--mono);font-size:56px;line-height:1;letter-spacing:-.06em}
.pass-amount span{font-size:13px;color:var(--muted)}
.pass-rows{position:relative;z-index:1;margin-top:10px;border-top:1px dashed #dfe0dc;padding-top:12px}
.pass-row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;font-size:12.5px}
.pass-row span{color:var(--muted)}
.pass-row b{font-weight:600}
.pass-stub{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:16px;padding:14px 0 18px;border-top:1px dashed #dfe0dc;position:relative;z-index:1}
.barcode{flex:1;height:26px;background:repeating-linear-gradient(90deg,var(--ink) 0 2px,transparent 2px 5px,var(--ink) 5px 7px,transparent 7px 11px);opacity:.72}
.pass-stub small{font-family:var(--mono);font-size:10px;color:var(--muted);letter-spacing:.1em}
.pass-tape{position:absolute;left:50%;top:-13px;width:104px;height:26px;transform:translateX(-50%) rotate(-2.5deg);background:rgba(239,110,156,.34);border-left:1px dashed rgba(255,255,255,.7);border-right:1px dashed rgba(255,255,255,.7);z-index:2;mix-blend-mode:multiply}

/* ---------- steps ---------- */
.steps{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.42)}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.step{padding:22px 24px;border-right:1px solid var(--line);display:flex;gap:14px;align-items:flex-start}
.step:last-child{border-right:0}
.step-num{font-family:var(--mono);font-size:11px;color:var(--pink-deep);letter-spacing:.12em;padding-top:3px}
.step b{display:block;font-size:13.5px}
.step p{font-size:12px;color:var(--muted);margin-top:2px;line-height:1.55}

/* ---------- sections ---------- */
.section{padding:66px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.section-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.035em;line-height:1.15;font-weight:800;margin-top:10px}
.section-head p{color:var(--muted);font-size:13px;max-width:34em;margin-top:10px}
.section-index{font-family:var(--mono);font-size:11px;letter-spacing:.2em;color:var(--muted)}
.section-index b{color:var(--pink-deep)}

/* ---------- tiers ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
.tier{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 18px 18px;
  display:flex;flex-direction:column;min-height:274px;transition:transform .28s,border-color .28s,box-shadow .28s;
}
.tier:hover{transform:translateY(-4px);border-color:#c7c9c6;box-shadow:var(--shadow-soft)}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:20px}
.tier-label{font-size:11.5px;font-weight:700;letter-spacing:.04em;color:var(--muted)}
.tier-badge{font-size:10px;font-weight:700;letter-spacing:.06em;background:var(--pink);color:#2a1520;border-radius:999px;padding:3px 8px}
.tier-coins{font-family:var(--mono);font-size:42px;font-weight:700;letter-spacing:-.06em;line-height:1;margin-top:14px}
.tier-coins span{font-size:12px;font-weight:500;letter-spacing:0;color:var(--muted);margin-left:4px}
.tier-price{font-family:var(--mono);font-size:13.5px;font-weight:600;color:var(--pink-deep);margin-top:6px}
.tier-sub{font-size:12.5px;font-weight:700;margin-top:14px}
.tier-cars{font-size:11.5px;color:var(--muted);line-height:1.55;margin-top:3px;flex:1}
.tier-btn{margin-top:16px;width:100%;padding:9px 12px;font-size:12.5px;border-radius:9px}
.tier.is-hot{background:var(--dark);border-color:var(--dark);color:#fff}
.tier.is-hot:hover{border-color:var(--dark)}
.tier.is-hot .tier-label{color:#aeb3ba}
.tier.is-hot .tier-coins span,.tier.is-hot .tier-cars{color:#a9aeb6}
.tier.is-hot .tier-price{color:#f7a6c1}
.tier.is-hot .tier-btn{background:var(--pink);border-color:var(--pink);color:#25131c}
.tier.is-hot .tier-btn:hover{background:#f28aae;border-color:#f28aae}
.tier.is-selected{border-color:var(--pink);box-shadow:0 0 0 3px rgba(239,110,156,.18),var(--shadow-soft);transform:translateY(-4px)}
.tier.is-hot.is-selected{box-shadow:0 0 0 3px rgba(239,110,156,.3),var(--shadow-soft)}
.tier.is-selected::after{content:"已选";position:absolute;top:-9px;right:14px;background:var(--pink);color:#2a1520;font-size:10px;font-weight:700;padding:2px 9px;border-radius:999px;letter-spacing:.06em}

/* custom */
.custom-card{
  margin-top:14px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 22px;
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
}
.custom-card h3{font-size:15px;font-weight:700}
.custom-card p{font-size:12px;color:var(--muted);margin-top:3px}
.custom-control{display:flex;align-items:center;gap:12px;margin-left:auto;flex-wrap:wrap}
.coin-input{position:relative;width:210px}
.coin-input input{padding-right:54px;font-family:var(--mono);font-weight:600}
.coin-input span{position:absolute;right:13px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--muted);pointer-events:none}
.custom-price{font-family:var(--mono);font-size:20px;font-weight:700;min-width:82px;text-align:right;letter-spacing:-.03em}
.custom-price.is-empty{color:var(--muted);font-size:14px;font-weight:500}

/* ---------- order ---------- */
.order-grid{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:18px;align-items:start}
.summary-card{background:var(--dark);color:#fff;border-radius:18px;padding:26px;position:sticky;top:88px;box-shadow:var(--shadow);overflow:hidden;min-height:300px;display:flex;flex-direction:column}
.summary-card::after{content:"";position:absolute;right:-40px;top:-40px;width:150px;height:150px;border-radius:50%;border:1px solid rgba(239,110,156,.4)}
.summary-card .eyebrow{color:#9aa0a8}
.summary-coins{display:flex;align-items:baseline;gap:8px;margin:16px 0 4px}
.summary-coins b{font-family:var(--mono);font-size:60px;line-height:1;letter-spacing:-.06em}
.summary-coins span{color:#a9aeb6;font-size:13px}
.summary-price{font-family:var(--mono);font-size:18px;color:#f7a6c1;font-weight:600}
.summary-list{list-style:none;padding:0;margin:22px 0 0;border-top:1px dashed rgba(255,255,255,.18);padding-top:14px;font-size:12.5px}
.summary-list li{display:flex;justify-content:space-between;gap:12px;padding:5px 0;color:#b9bec6}
.summary-list li b{color:#fff;font-weight:600}
.summary-empty{color:#b9bec6;font-size:13.5px;line-height:1.8;padding:14px 0 6px;margin:auto 0}
.summary-empty b{color:#fff;display:block;margin-bottom:4px;font-size:15px}
.summary-actions{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.summary-actions button{background:transparent;border-color:rgba(255,255,255,.25);color:#dfe2e6}
.summary-actions button:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45)}

.form-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:26px;box-shadow:var(--shadow-soft)}
.form-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px}
.form-head h3{font-size:18px;letter-spacing:-.02em}
.form-head p{font-size:12px;color:var(--muted);margin-top:3px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12.5px;font-weight:700;margin-bottom:7px}
.field label .req{color:var(--pink-deep);margin-left:2px}
.field small{display:block;font-size:11.5px;color:var(--muted);margin-top:6px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-error{background:#fff2f4;border:1px solid #f3c6cf;color:var(--warn);font-size:12.5px;padding:9px 12px;border-radius:9px;margin-bottom:14px}
.form-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:4px}
.form-actions .primary{padding:12px 26px;font-size:14px}
.form-actions span{font-size:11.5px;color:var(--muted)}

/* ---------- history ---------- */
.history-head-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.order-list{display:flex;flex-direction:column;gap:10px}
.order-row{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px 20px;align-items:center;transition:border-color .2s,box-shadow .2s}
.order-row:hover{border-color:#cfd1cd;box-shadow:var(--shadow-soft)}
.order-main{display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}
.order-main b{font-family:var(--mono);font-size:13px;letter-spacing:-.01em}
.order-time{font-size:11.5px;color:var(--muted)}
.status{font-size:10.5px;font-weight:700;letter-spacing:.06em;border-radius:999px;padding:2px 9px;background:#fff3e0;color:#8a5a13;border:1px solid #f2d9b3;white-space:nowrap}
.status.ok{background:#eaf5ee;color:var(--ok);border-color:#c9e3d2}
.order-info{display:flex;gap:16px;flex-wrap:wrap;font-size:12.5px;color:#555c64;grid-column:1/2}
.order-info span{white-space:nowrap}
.order-info b{font-family:var(--mono);color:var(--ink)}
.order-actions{display:flex;gap:7px;flex-wrap:wrap;justify-content:flex-end;grid-column:2/3;grid-row:1/3}
.empty-state{border:1px dashed var(--line-strong);border-radius:16px;padding:38px 24px;text-align:center;color:var(--muted);font-size:13px;background:rgba(255,255,255,.5)}
.empty-state b{display:block;color:var(--ink);font-size:15px;margin-bottom:4px}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line)}
.faq-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:0}
.faq summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 6px;font-weight:700;font-size:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:18px;color:var(--muted);flex:0 0 auto;transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--pink-deep)}
.faq details p{color:#5c636b;font-size:13px;line-height:1.85;padding:0 6px 18px;max-width:60em}

/* ---------- footer ---------- */
.site-foot{background:var(--dark);color:#a9aeb6;padding:42px 0 30px;margin-top:24px;position:relative;z-index:1}
.foot-grid{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap}
.foot-brand{display:flex;gap:12px;align-items:center;color:#fff}
.foot-brand .brand-mark{background:#fff;color:var(--dark)}
.foot-brand .brand-mark::after{background:var(--pink)}
.foot-brand small{display:block;font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;color:#8b929b}
.foot-links{display:flex;gap:22px;flex-wrap:wrap;font-size:12.5px}
.foot-links a{text-decoration:none;color:#c3c7cd}
.foot-links a:hover{color:#fff}
.foot-note{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:11.5px;color:#7f868f;line-height:1.75;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- modal ---------- */
dialog.pay-modal{border:0;padding:0;background:transparent;max-width:none;max-height:none;width:100%;height:100%;margin:0;color:var(--ink)}
dialog.pay-modal::backdrop{background:rgba(25,27,31,.5);backdrop-filter:blur(4px)}
.pay-sheet{background:var(--paper);border:1px solid var(--line-strong);border-radius:20px;width:min(520px,calc(100% - 32px));max-height:calc(100vh - 48px);overflow:auto;margin:auto;padding:26px;box-shadow:0 30px 70px -20px rgba(20,23,27,.45);position:relative}
.pay-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.pay-head h2{font-size:21px;letter-spacing:-.02em;margin-top:5px}
.icon-btn{width:34px;height:34px;padding:0;border-radius:50%;font-size:19px;line-height:1;color:#5c636b;background:#fff}
.pay-amount{display:flex;align-items:baseline;justify-content:space-between;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-top:18px}
.pay-amount span{font-size:12.5px;color:var(--muted)}
.pay-amount strong{font-family:var(--mono);font-size:32px;letter-spacing:-.05em}
.pay-meta{margin-top:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:5px 18px}
.pay-meta div{display:flex;align-items:center;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:12.5px}
.pay-meta div:last-child{border-bottom:0}
.pay-meta span{color:var(--muted);flex:0 0 62px}
.pay-meta b{font-family:var(--mono);font-weight:600;word-break:break-all}
.pay-meta button{margin-left:auto;flex:0 0 auto}
.qr-wrap{margin-top:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;display:grid;place-items:center;gap:10px}
.qr-box{width:174px;height:174px;border-radius:12px;overflow:hidden;position:relative;background:#fff;border:1px solid #ececea;display:grid;place-items:center}
.qr-box img{width:100%;height:100%;object-fit:contain;display:block}
.qr-fallback{width:100%;height:100%;position:relative;display:grid;place-items:center;background:#fbfbf9}
.qr-fallback svg{position:absolute;inset:8px;width:calc(100% - 16px);height:calc(100% - 16px);opacity:.9}
.qr-badge{position:relative;z-index:2;background:var(--pink);color:#2a1520;font-size:10.5px;font-weight:700;letter-spacing:.08em;padding:4px 10px;border-radius:999px;box-shadow:0 4px 12px rgba(239,110,156,.3)}
.qr-caption{font-size:12px;color:var(--muted);text-align:center}
.qr-caption b{display:block;color:var(--ink);font-size:13px;margin-bottom:2px}
.qr-empty-note{font-size:11.5px;color:var(--warn);text-align:center;line-height:1.6;max-width:26em}
.pay-hint{font-size:12px;color:#5c636b;line-height:1.75;margin-top:14px;background:var(--pink-soft);border:1px solid #f8d7e2;border-radius:10px;padding:11px 13px}
.pay-hint b{color:#8f2b4b}
.pay-actions{display:flex;gap:10px;margin-top:16px;flex-wrap:wrap;position:sticky;bottom:-26px;background:var(--paper);padding:10px 0 14px;border-top:1px solid var(--line);z-index:3}
.pay-actions button{flex:1;min-width:130px;padding:11px 14px}
.pay-foot{font-size:11px;color:var(--muted);margin-top:12px;text-align:center}

/* toast */
.toast{position:fixed;left:50%;bottom:26px;transform:translate(-50%,16px);background:var(--dark);color:#fff;font-size:13px;font-weight:600;padding:11px 18px;border-radius:11px;box-shadow:0 16px 36px -16px rgba(20,23,27,.6);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:100;max-width:calc(100% - 40px);text-align:center}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* =========================================================
   开屏预加载动画（总时长约 2.3 秒 + 0.48 秒淡出）
   元素与配色取自 logo：奶油底 #f4f1ec、亮粉 #f0247f、涂鸦黑 #221b20
   性能：只动 transform / opacity，不使用 canvas，不触发重排
   ========================================================= */
body.preloading{overflow:hidden}
.preloader{
  position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:26px;padding:24px;
  background:radial-gradient(62% 55% at 50% 42%,#fffaf6 0%,#f4f1ec 58%,#eeeae3 100%);
  color:#221b20;opacity:1;will-change:opacity,transform;
  transition:opacity .48s ease,transform .48s cubic-bezier(.4,0,.2,1),visibility 0s .48s;
}
.preloader.is-out{opacity:0;transform:scale(1.035);visibility:hidden}

/* 舞台：logo、光晕、光环、粒子共用同一个中心点 */
.preloader-stage{position:relative;width:min(78vw,300px);aspect-ratio:1;display:grid;place-items:center}
.preloader-badge{
  width:clamp(140px,44vw,196px);aspect-ratio:1;border-radius:50%;overflow:hidden;
  box-shadow:0 24px 46px -24px rgba(34,27,32,.5),0 0 0 1px rgba(34,27,32,.08);
  transform:scale(.72) rotate(-7deg);opacity:0;
  animation:pl-badge .95s cubic-bezier(.2,.9,.25,1) .12s both;
  will-change:transform,opacity;position:relative;z-index:2;
}
.preloader-badge img{width:100%;height:100%;object-fit:cover;display:block}

.preloader-glow{
  position:absolute;width:94%;aspect-ratio:1;border-radius:50%;pointer-events:none;
  background:radial-gradient(closest-side,rgba(240,36,127,.3),rgba(240,36,127,0) 70%);
  opacity:0;animation:pl-glow 1.7s ease-out .28s both;
}
.preloader-ring{
  position:absolute;width:64%;aspect-ratio:1;border-radius:50%;pointer-events:none;
  border:1.5px solid rgba(240,36,127,.55);opacity:0;
  animation:pl-ring 1.25s cubic-bezier(.2,.7,.3,1) .42s both;
}

/* 粒子：由 JS 生成，仅 16 个，全部用 transform 位移 */
.preloader-particles{position:absolute;inset:0;pointer-events:none}
.pl-particle{
  position:absolute;top:50%;left:50%;width:var(--size,6px);height:var(--size,6px);
  margin:calc(var(--size,6px) / -2);border-radius:50%;background:#f0247f;opacity:0;
  animation:pl-burst .95s cubic-bezier(.15,.75,.25,1) var(--delay,.45s) both;
  will-change:transform,opacity;
}
.pl-particle.is-ink{background:#221b20;border-radius:1px}
.pl-particle.is-soft{background:#ff86bd}

/* 文案与进度条 */
.preloader-copy{display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center}
.preloader-brand{font-weight:800;font-size:clamp(17px,4.6vw,21px);letter-spacing:.01em;opacity:0;transform:translateY(10px);animation:pl-up .6s ease .85s both}
.preloader-sub{font-family:var(--mono);font-size:10.5px;letter-spacing:.3em;color:#8a7f86;opacity:0;transform:translateY(8px);animation:pl-up .6s ease 1s both}
.preloader-bar{display:block;width:min(46vw,150px);height:2px;margin-top:14px;border-radius:2px;background:rgba(34,27,32,.12);overflow:hidden}
.preloader-bar i{display:block;height:100%;width:100%;background:linear-gradient(90deg,#f0247f,#ff7ab8);transform-origin:left;transform:scaleX(0);animation:pl-bar 1.15s cubic-bezier(.4,0,.2,1) .9s both}

@keyframes pl-badge{
  0%{opacity:0;transform:scale(.72) rotate(-7deg)}
  60%{opacity:1}
  100%{opacity:1;transform:scale(1) rotate(0)}
}
@keyframes pl-glow{
  0%{opacity:0;transform:scale(.6)}
  45%{opacity:1}
  100%{opacity:.65;transform:scale(1.06)}
}
@keyframes pl-ring{
  0%{opacity:0;transform:scale(.85)}
  25%{opacity:.9}
  100%{opacity:0;transform:scale(1.5)}
}
@keyframes pl-burst{
  0%{opacity:0;transform:translate(0,0) scale(.4)}
  25%{opacity:1}
  100%{opacity:0;transform:translate(var(--x),var(--y)) scale(.9)}
}
@keyframes pl-up{to{opacity:1;transform:none}}
@keyframes pl-bar{to{transform:scaleX(1)}}

/* 系统开启「减少动态效果」时：只保留静态标志，快速跳过 */
@media(prefers-reduced-motion:reduce){
  .preloader-badge,.preloader-brand,.preloader-sub{opacity:1;transform:none;animation:none}
  .preloader-bar i{transform:scaleX(1);animation:none}
  .preloader-glow,.preloader-ring,.preloader-particles{display:none}
}

/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.8,.2,1)}
.reveal.is-in{opacity:1;transform:none}

@media(max-width:1000px){
  .tier-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .hero-grid{gap:34px}
  .summary-card{position:relative}
}
@media(max-width:820px){
  .nav{
    display:none;position:absolute;top:66px;left:0;right:0;background:var(--paper);
    border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 24px 18px;gap:2px;box-shadow:0 18px 30px -26px rgba(30,34,39,.5);
  }
  .nav.open{display:flex}
  .nav a{padding:11px 12px}
  .menu-btn{display:block}
  .head-cta{display:none}
  .hero{padding:52px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .pass{margin:0 auto;width:100%;transform:rotate(1deg)}
  .steps-grid{grid-template-columns:1fr 1fr}
  .step:nth-child(2){border-right:0}
  .step:nth-child(1),.step:nth-child(2){border-bottom:1px solid var(--line)}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px}
  .order-grid{grid-template-columns:1fr}
  .custom-control{margin-left:0;width:100%}
}
@media(max-width:640px){
  .wrap{width:calc(100% - 32px)}
  .topbar .wrap span:last-child{display:none}
  .hero h1{font-size:clamp(34px,9vw,46px)}
  .hero-stats div{padding-right:16px;margin-right:16px}
  .hero-stats b{font-size:16px}
  .tier-grid{grid-template-columns:1fr 1fr;gap:10px}
  .tier{padding:16px 14px 14px;min-height:250px}
  .tier-coins{font-size:34px}
  .tier-cars{font-size:11px}
  .custom-card{padding:18px;gap:16px}
  .coin-input{width:100%}
  .custom-price{margin-left:auto}
  .form-card{padding:20px 18px}
  .field-row{grid-template-columns:1fr}
  .order-row{grid-template-columns:1fr;padding:14px}
  .order-actions{grid-column:1/2;grid-row:auto;justify-content:flex-start}
  .order-info{grid-column:1/2}
  .pay-sheet{padding:20px 18px;width:calc(100% - 24px)}
  .pay-actions{min-width:0;bottom:-20px;padding-bottom:12px}
  .pay-actions button{min-width:0}
  .qr-box{width:150px;height:150px}
  .foot-grid{flex-direction:column;gap:22px}
}
@media(max-width:360px){
  .tier-grid{grid-template-columns:1fr}
  .tier{min-height:0}
  .steps-grid{grid-template-columns:1fr}
  .step{border-right:0;border-bottom:1px solid var(--line)}
  .step:last-child{border-bottom:0}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
  .shine::after{display:none}
}