:root{--ink: #2a2540;--muted: #8b879a;--line: #ebe7f5;--paper: #ffffff;--bg: #f6f3fc;--purple: #7b6ad6;--purple-deep: #5f4fc4;--purple-soft: #f1ecff;--gold: #e8a63a;--gold-soft: #fff4d8;--pink: #f48fb1;--green: #2aa84a;--shadow: 0 18px 50px rgba(90, 70, 160, .1);--radius: 24px;--font: "DM Sans", "PingFang SC", "Noto Sans SC", system-ui, sans-serif;--serif: "Cormorant Garamond", "Noto Serif SC", serif}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{font-family:var(--font);color:var(--ink);background:radial-gradient(900px 420px at 10% -10%,#efe8ff 0%,transparent 60%),radial-gradient(700px 380px at 100% 0%,#fff3d6 0%,transparent 55%),var(--bg);line-height:1.55}a{color:inherit;text-decoration:none}button,input,select{font:inherit}img{max-width:100%;display:block}.wrap{width:min(1120px,calc(100% - 28px));margin:0 auto}.site-header{position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#f6f3fcdb;border-bottom:1px solid rgba(123,106,214,.08)}.nav{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.04em}.brand img{width:36px;height:36px;border-radius:12px;background:var(--purple-soft);object-fit:contain}.brand .spark{color:var(--gold)}.nav-links{display:flex;gap:18px;color:var(--muted);font-size:14px;font-weight:600}.nav-links a.is-active{color:var(--purple);box-shadow:inset 0 -2px 0 var(--purple)}.user-chip{display:flex;align-items:center;gap:8px;padding:6px 10px 6px 6px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);max-width:180px}.user-chip img,.user-chip .avatar-fallback{width:28px;height:28px;border-radius:50%;object-fit:cover;background:var(--purple-soft)}.user-chip .name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink);font-weight:650}.hero{display:grid;grid-template-columns:1.1fr 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16px;cursor:pointer;background:#fff;transition:border-color .2s,box-shadow .2s,transform .2s}.plan:hover{transform:translateY(-1px)}.plan.is-selected{border-color:var(--gold);box-shadow:0 0 0 3px #e8a63a26}.plan .radio{position:absolute;top:14px;right:14px;width:20px;height:20px;border-radius:50%;border:2px solid #d5d0e6}.plan.is-selected .radio{border-color:var(--gold);background:radial-gradient(circle at center,var(--gold) 0 45%,transparent 48%)}.plan-badge{position:absolute;top:-10px;left:14px;display:inline-flex;gap:6px}.plan-badge span{background:var(--gold);color:#fff;font-size:11px;font-weight:800;padding:4px 8px;border-radius:999px}.plan-top{display:flex;align-items:center;gap:10px;margin-bottom:8px}.plan-top img{width:42px;height:42px;object-fit:contain}.plan-top strong{font-size:16px}.plan-price{font-size:28px;font-weight:800;color:var(--purple);letter-spacing:-.03em;margin:4px 0 10px}.plan.is-selected .plan-price{color:#d4891c}.plan-price small{font-size:14px;font-weight:600;color:var(--muted)}.plan ul{margin:0;padding:0;list-style:none;display:grid;gap:6px}.plan li{display:flex;gap:8px;align-items:flex-start;font-size:13px;color:var(--muted)}.plan li:before{content:"✓";color:var(--purple);font-weight:800}.deal-sticker{position:absolute;right:10px;bottom:10px;width:58px;height:58px;border-radius:50%;background:radial-gradient(circle at 30% 30%,#ffd0e0,#ff8fb3);color:#fff;font-size:11px;font-weight:900;display:grid;place-items:center;transform:rotate(-12deg);box-shadow:0 8px 18px #f48fb159}.section-title{display:flex;align-items:center;gap:8px;margin:22px 0 14px;font-size:18px;font-weight:800}.section-title .spark{color:var(--gold)}.features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.feature{display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:16px;background:#fbfaff;border:1px solid #f0ecf8}.feature img{width:44px;height:44px;object-fit:contain;flex:0 0 auto}.feature strong{display:block;font-size:13px;margin-bottom:2px}.feature span{font-size:12px;color:var(--muted);line-height:1.45}.side{position:sticky;top:80px;display:grid;gap:14px}.side h3{margin:0 0 14px;font-size:16px;display:flex;align-items:center;gap:8px}.summary-rows{display:grid;gap:10px;font-size:14px}.summary-rows .row{display:flex;justify-content:space-between;gap:12px}.summary-rows .row span{color:var(--muted)}.summary-rows .total strong{color:var(--purple);font-size:28px;letter-spacing:-.03em}.tip{margin-top:14px;padding:10px 12px;border-radius:12px;background:var(--gold-soft);color:#9a6c00;font-size:13px;font-weight:650}.pay-method{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:700}.pay-method .wx{width:22px;height:22px;border-radius:6px;background:#2aa84a;color:#fff;display:grid;place-items:center;font-size:12px;font-weight:900}.qr-box{border:1px solid var(--line);border-radius:18px;padding:16px;text-align:center;background:#faf9ff}.qr-box img,.qr-box .qr-placeholder{width:min(220px,100%);aspect-ratio:1;margin:0 auto 10px;border-radius:12px;background:#fff;border:1px dashed #d9d3ea;object-fit:contain}.qr-placeholder{display:grid;place-items:center;color:var(--muted);font-size:13px;padding:16px}.qr-box p{margin:0;color:var(--muted);font-size:13px}.steps{margin:14px 0 0;padding:0;list-style:none;display:grid;gap:8px}.steps li{display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:13px;color:var(--muted)}.steps .n{width:22px;height:22px;border-radius:50%;background:var(--purple-soft);color:var(--purple);display:grid;place-items:center;font-size:12px;font-weight:800}.proof{margin-top:14px;display:grid;gap:10px}.proof input[type=file]{font-size:13px}.proof textarea{width:100%;min-height:72px;border:1px solid var(--line);border-radius:12px;padding:10px 12px;resize:vertical;background:#fff}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-radius:16px;padding:14px 16px;font-weight:800;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary{width:100%;background:linear-gradient(180deg,#8b7ae4,var(--purple-deep));color:#fff;box-shadow:0 12px 28px #5f4fc447}.btn-primary:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-ghost{background:#fff;border:1px solid var(--line);color:var(--ink)}.status{margin-top:10px;font-size:13px;color:var(--muted);min-height:1.2em}.status.is-ok{color:var(--green);font-weight:700}.status.is-err{color:#c62828;font-weight:700}.lock-banner,.error-banner{margin:18px 0;padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);color:var(--muted);font-size:14px}.error-banner{border-color:#ffcdd2;background:#fff5f5;color:#c62828}.footer-note{text-align:center;color:var(--muted);font-size:12px;padding:0 0 28px}@media (max-width: 900px){.hero,.layout{grid-template-columns:1fr}.hero-art{justify-self:center;width:min(220px,70%);order:-1}.nav-links{display:none}.side{position:static}.plans{grid-template-columns:1fr}.features{grid-template-columns:1fr 1fr}}@media (max-width: 520px){.features{grid-template-columns:1fr}.user-chip .name{max-width:90px}}