:root{--g:#1a5c45;--g2:#17795a;--gl:#e9f3ee;--bd:#e3e8e6;--tx:#1d2a26;--mu:#6b7a75;--bg:#f5f7f6;--red:#c0392b}
*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans SC","Noto Sans CJK SC","PingFang SC","Hiragino Sans",sans-serif;color:var(--tx);background:var(--bg);font-size:14px}
a{color:var(--g)}.wrap{max-width:1000px;margin:0 auto;padding:0 20px}
header.top{background:#fff;border-bottom:1px solid var(--bd)}header.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--tx)}.logo .p{width:30px;height:30px;border-radius:7px;background:var(--g);color:#fff;font-weight:800;display:grid;place-items:center}
.logo b{font-size:18px}.logo small{color:var(--mu);font-size:12px;margin-left:4px}
nav a{color:var(--tx);text-decoration:none;padding:7px 10px;border-radius:7px;margin-left:4px;font-size:13px}nav a.on{background:var(--gl);color:var(--g);font-weight:600}nav .hint{color:var(--mu);font-size:12px}
.banner{background:var(--gl);border:1px solid #d5e8de;border-radius:8px;padding:12px 14px;font-size:12px;color:#355a4b;margin:26px 0 22px}
.eyebrow{font-size:11px;letter-spacing:2px;color:var(--g);font-weight:700;text-transform:uppercase}
h1{font-size:28px;margin:6px 0}h2{font-size:20px;margin:0 0 4px}.sub{color:var(--mu);font-size:12px;margin:0 0 14px}
.row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.pill{background:var(--gl);color:var(--g);border-radius:20px;padding:4px 10px;font-size:12px;font-weight:600}.pill.off{background:#fbeaea;color:var(--red)}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.card{background:#fff;border:1px solid var(--bd);border-radius:12px;padding:18px}
.stat .k{font-size:12px;color:var(--mu)}.stat .v{font-size:24px;font-weight:700;margin:12px 0 8px}.stat .n{font-size:11px;color:var(--mu)}
.btn{display:inline-block;border:1px solid var(--bd);background:#fff;color:var(--tx);border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer;text-decoration:none;font-weight:600}
.btn.pri{background:var(--g2);border-color:var(--g2);color:#fff}.btn.pri:hover{background:var(--g)}.btn.sm{padding:5px 9px;font-size:12px}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.block{width:100%;padding:11px}
.bar{background:var(--gl);border-radius:8px;padding:12px 14px;font-size:12px;display:flex;justify-content:space-between;margin:16px 0}
.sec{margin:34px 0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.proto .t{font-size:10px;letter-spacing:1.5px;color:var(--g);font-weight:700}
.proto h3{font-size:15px;margin:10px 0 6px}.proto .h{font-family:ui-monospace,monospace;font-size:11px;color:var(--mu)}.proto .acts{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}
.plan{max-width:300px}.plan .price{font-size:28px;font-weight:800;margin-top:26px}.plan .price small{font-size:11px;color:var(--mu);font-weight:400}.plan .cny{color:var(--g2);font-size:12px;margin:6px 0 12px}
.kv{display:flex;justify-content:space-between;border-top:1px solid #eef1f0;padding:9px 0;font-size:12px}.kv b{font-weight:700}
table{width:100%;border-collapse:collapse;background:#fff}th,td{text-align:left;padding:11px 12px;border-top:1px solid #eef1f0;font-size:12px;vertical-align:top}th{color:var(--mu);font-weight:500;background:#fafcfb;border-top:0}
.tbl{border:1px solid var(--bd);border-radius:12px;overflow:hidden;overflow-x:auto}
.pos{color:var(--g2)}.neg{color:var(--red)}.mu{color:var(--mu)}.mono{font-family:ui-monospace,monospace}
input,select{border:1px solid var(--bd);border-radius:8px;padding:10px 12px;font-size:13px;width:100%;background:#fff}input:focus,select:focus{outline:2px solid #cfe5da;border-color:var(--g2)}
label{display:block;font-size:12px;margin:14px 0 6px}
.flash{padding:10px 14px;border-radius:8px;margin:14px 0;font-size:13px}.flash.ok{background:var(--gl);color:var(--g)}.flash.err{background:#fbeaea;color:var(--red)}
.hero{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center;min-height:calc(100vh - 140px);padding:40px 0}
.hero h1{font-size:40px;line-height:1.35}.hero .lead{color:#4d5f59;line-height:1.9;font-size:15px}.big{font-size:44px;font-weight:800}.tags span{display:inline-block;border:1px solid var(--bd);background:#fff;border-radius:5px;font-size:11px;padding:3px 7px;margin:0 6px 6px 0}
.auth{background:#fff;border:1px solid var(--bd);border-radius:14px;padding:22px;box-shadow:0 6px 24px rgba(20,60,45,.06)}.tabs{display:flex;gap:18px;border-bottom:1px solid var(--bd);margin-bottom:22px}.tabs a{padding:0 0 10px;text-decoration:none;color:var(--mu);font-size:13px;cursor:pointer}.tabs a.on{color:var(--g);border-bottom:2px solid var(--g);font-weight:600}
footer{border-top:1px solid var(--bd);margin-top:40px;padding:18px 0;font-size:11px;color:var(--mu)}
.modal{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;align-items:center;justify-content:center;z-index:9}.modal.on{display:flex}.modal .card{width:360px;max-width:92vw;text-align:center}.modal img{width:260px;height:260px;image-rendering:pixelated}
.inline{display:inline}.flex{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.w120{width:120px}.w90{width:90px}
@media(max-width:800px){.cards{grid-template-columns:1fr 1fr}.grid3{grid-template-columns:1fr}.hero{grid-template-columns:1fr;gap:20px}.hero h1{font-size:30px}}
/* PayPay's downloaded PNG is a portrait payment sheet. Preserve its QR geometry. */
#payimg{width:300px;height:auto;max-width:100%;max-height:50vh;object-fit:contain}
.modal .card{max-height:92vh;overflow-y:auto}