:root{--bg:#0d0f12;--bg-soft:#12151b;--gold:#d4a017;--gold-2:#f1c550;--text:#e8ecf1;--muted:#a9b0bb;--accent:#1f6feb;--ok:#0ca678;--danger:#e03131;--card:#171b22;--card-2:#1b212a;--shadow:0 10px 30px rgba(0,0,0,.35);--radius:18px}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font-family:"PingFang SC","Helvetica Neue",Arial,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,"Noto Sans CJK SC",sans-serif;background:radial-gradient(1200px 600px at 80% -20%,rgba(212,160,23,.12),transparent 60%),radial-gradient(900px 500px at -10% 20%,rgba(31,111,235,.12),transparent 55%),var(--bg);color:var(--text);line-height:1.6}
.topbar{position:sticky;top:0;z-index:50;background:linear-gradient(90deg,rgba(20,24,31,.9),rgba(27,33,42,.9));backdrop-filter:blur(8px);border-bottom:1px solid rgba(212,160,23,.25)}
.ticker{display:flex;align-items:center;gap:10px;padding:.55rem .9rem;overflow:hidden;white-space:nowrap;font-size:.92rem;color:var(--gold-2)}
.ticker i{color:var(--gold);margin-right:.35rem}
.ticker-track{display:inline-block;padding-left:1rem;animation:slide 18s linear infinite}
@keyframes slide{0%{transform:translateX(0)}100%{transform:translateX(-50%)}}
header{padding:28px 16px 10px;border-bottom:1px solid rgba(255,255,255,.06);background:linear-gradient(180deg,rgba(212,160,23,.08),transparent 60%)}
.hero{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:center}
.brand{display:flex;align-items:center;gap:14px;min-height:56px}
.brand-logo-wrap{display:flex;align-items:center;justify-content:center;height:56px;max-width:260px;padding:4px 8px;border-radius:10px;background:linear-gradient(145deg,#2b323d,#0f1217);border:1px solid rgba(212,160,23,.45);box-shadow:inset 0 0 18px rgba(212,160,23,.18)}
.brand-logo{height:100%;width:auto;max-width:100%;object-fit:contain;display:block}
@media (max-width:520px){.brand-logo-wrap{height:44px;max-width:200px}}
.brand-badge{width:48px;height:48px;border-radius:12px;background:linear-gradient(145deg,#2b323d,#0f1217);border:1px solid rgba(212,160,23,.45);display:grid;place-items:center;box-shadow:inset 0 0 18px rgba(212,160,23,.18);color:var(--gold-2);font-weight:700}
.breath{animation:breath 3.5s ease-in-out infinite;box-shadow:0 0 0 0 rgba(212,160,23,0)}
@keyframes breath{0%{box-shadow:0 0 0 0 rgba(212,160,23,0)}50%{box-shadow:0 0 28px 0 rgba(212,160,23,.25)}100%{box-shadow:0 0 0 0 rgba(212,160,23,0)}}
h1{margin:0;font-size:clamp(22px,2.2vw,30px);letter-spacing:.5px;display:flex;align-items:center;gap:10px}
h1 .tag{font-weight:600;font-size:.85rem;color:#111;background:linear-gradient(180deg,var(--gold-2),var(--gold));padding:.15rem .5rem;border-radius:999px;border:1px solid rgba(0,0,0,.2)}
.hero-note{color:var(--muted);font-size:.95rem}
.container{max-width:1100px;margin:16px auto 60px;padding:0 16px;display:grid;grid-template-columns:1.25fr .75fr;gap:18px}
@media (max-width:980px){.hero{grid-template-columns:1fr}.container{grid-template-columns:1fr}}
.card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid rgba(255,255,255,.06);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-header{padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.06);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:1.05rem;font-weight:700}
.card-body{padding:18px}
.muted{color:var(--muted)}
.packages{display:grid;gap:12px;grid-template-columns:repeat(4,1fr)}
@media (max-width:1100px){.packages{grid-template-columns:repeat(3,1fr)}}
@media (max-width:700px){.packages{grid-template-columns:repeat(2,1fr)}}
.pkg{position:relative;padding:14px 12px;border-radius:14px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(180deg,#1a2029,#12161d);cursor:pointer;transition:.2s ease;display:flex;flex-direction:column;gap:6px;min-height:90px}
.pkg:hover{transform:translateY(-2px);border-color:rgba(212,160,23,.55);box-shadow:0 8px 20px rgba(212,160,23,.08)}
.pkg.selected{outline:2px solid var(--gold);box-shadow:0 0 0 4px rgba(212,160,23,.15)}
.pkg-amt{font-weight:800;font-size:1.05rem}
.pkg-desc{font-size:.9rem;color:var(--muted)}
.badge{position:absolute;right:8px;top:8px;padding:.1rem .45rem;border-radius:10px;background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#111;font-weight:800;font-size:.8rem;border:1px solid rgba(0,0,0,.25)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:700px){.grid-2{grid-template-columns:1fr}}
.input{background:#0f1319;border:1px solid rgba(255,255,255,.08);color:var(--text);border-radius:12px;padding:12px 14px;outline:none;width:100%;transition:.2s}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,111,235,.18)}
.input::placeholder{color:#728096}
.pay-methods{display:flex;gap:12px;flex-wrap:wrap}
.pay-btn{flex:0 0 auto;min-width:140px;display:flex;align-items:center;justify-content:center;gap:10px;padding:12px 14px;border-radius:12px;cursor:pointer;transition:.2s;border:1px solid rgba(255,255,255,.08);background:#0f1319;user-select:none}
.pay-btn i{font-size:22px}
.pay-btn[data-value="alipay"] i{color:#1677ff}
.pay-btn[data-value="wechat"] i{color:#17c16f}
.pay-btn:hover{transform:translateY(-2px);border-color:rgba(255,255,255,.22)}
.pay-btn.selected{outline:2px solid var(--gold);box-shadow:0 0 0 4px rgba(212,160,23,.12)}
.calc{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;background:#0e1217;padding:12px;border-radius:12px;border:1px solid rgba(255,255,255,.06)}
.calc .item{background:#11161d;border:1px solid rgba(255,255,255,.06);border-radius:10px;padding:10px 12px}
.calc .label{font-size:.85rem;color:var(--muted)}
.calc .val{font-weight:800;margin-top:4px}
.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 18px;border-radius:12px;cursor:pointer;transition:.2s;border:none;font-weight:800;letter-spacing:.3px}
.btn-primary{background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#111;box-shadow:0 10px 20px rgba(212,160,23,.18)}
.btn-primary:hover{transform:translateY(-2px)}
.btn-muted{background:#0e1217;color:var(--muted);border:1px solid rgba(255,255,255,.08)}
.msg{font-size:.92rem}
.section + .section{margin-top:14px}
.section .title{font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.list{padding-left:18px;margin:8px 0}
.list li{margin:6px 0;color:var(--muted)}
footer{text-align:center;color:var(--muted);font-size:.9rem;padding:26px 16px 40px;border-top:1px solid rgba(255,255,255,.06);margin-top:26px}
#calcBonus{display:flex;flex-direction:column}
#calcBonus .bonus-total{font-size:.9em;color:var(--muted);margin-top:2px}
a,
a:visited,
a:hover,
a:active,
a:focus {
  color: currentColor;
  text-decoration: none;
}