*{box-sizing:border-box;margin:0;padding:0}:root{--ink: #1a2333;--muted: #6b7790;--line: #e4e9f2;--brand: #2f54eb;--brand-2: #1d39c4;--bg: #f5f7fb;--card: #fff;--ok: #0a8f5c;--warn: #b8860b;--danger: #d13438}body{font-family:-apple-system,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:var(--bg)}.app{min-height:100vh;display:flex;flex-direction:column}.top{display:flex;align-items:center;gap:28px;padding:14px 32px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5;flex-wrap:wrap}.brand{font-weight:800;font-size:19px}.brand span{font-weight:500;color:var(--muted);font-size:14px}.top nav{display:flex;gap:6px;flex:1}.top nav a{text-decoration:none;color:var(--muted);padding:8px 14px;border-radius:8px;font-size:14px}.top nav a.active{background:#eef2ff;color:var(--brand);font-weight:600}.user{display:flex;align-items:center;gap:10px}.user .un{font-size:13px;color:var(--muted);max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tip{font-size:13px;color:var(--muted)}main{flex:1;padding:28px 32px;max-width:1100px;margin:0 auto;width:100%}.foot{text-align:center;color:var(--muted);font-size:12px;padding:22px}.btn{border:0;border-radius:8px;padding:10px 18px;cursor:pointer;font-size:14px;font-weight:600}.btn-p{background:var(--brand);color:#fff}.btn-p:hover{background:var(--brand-2)}.btn-o{background:transparent;color:var(--ink);border:1px solid var(--line)}.btn:disabled{opacity:.5;cursor:not-allowed}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px}.h{font-size:22px;font-weight:800;margin-bottom:6px}.sub{color:var(--muted);font-size:14px;margin-bottom:20px}.loading{padding:60px;text-align:center;color:var(--muted)}.m-err{color:var(--danger);font-size:13px;margin-top:10px}.toast{position:fixed;top:18px;left:50%;transform:translate(-50%);background:#111;color:#fff;padding:10px 18px;border-radius:8px;font-size:13px;z-index:99}.modules{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:26px}@media(max-width:760px){.modules{grid-template-columns:1fr}}.mcard{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:20px;cursor:pointer;transition:.15s}.mcard:hover{transform:translateY(-2px)}.mcard.sel{border-color:var(--brand);background:#f5f7ff}.mcard h3{font-size:17px}.mcard .desc{color:var(--muted);font-size:13px;margin:8px 0;min-height:38px}.mcard .tag{display:inline-block;font-size:12px;background:#eef2ff;color:var(--brand);padding:3px 10px;border-radius:20px}.mcard.sel .tag{background:var(--brand);color:#fff}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}@media(max-width:760px){.plans{grid-template-columns:1fr}}.plan{background:var(--card);border:2px solid var(--line);border-radius:14px;padding:22px;display:flex;flex-direction:column}.plan.hot{border-color:var(--brand)}.plan .p-tier{font-weight:800;font-size:16px}.plan .p-name{color:var(--muted);font-size:12px;margin:4px 0 12px}.plan .p-price{font-size:30px;font-weight:800}.plan .p-price small{font-size:13px;color:var(--muted);font-weight:400}.plan .p-rows{margin:16px 0;flex:1;font-size:13px;color:var(--ink)}.plan .p-rows div{padding:7px 0;border-bottom:1px dashed var(--line)}.plan .p-rows div:last-child{border-bottom:0}.plan button{margin-top:8px}.cycle-switch{display:flex;gap:8px;margin-bottom:16px;align-items:center}.cycle-switch button{border:1px solid var(--line);background:#fff;border-radius:8px;padding:7px 16px;cursor:pointer;font-size:13px}.cycle-switch button.on{background:var(--brand);border-color:var(--brand);color:#fff}.cycle-switch .saving{margin-left:auto;color:var(--ok);font-size:13px;font-weight:600}.subs{display:grid;gap:12px}.sub-row{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}.sub-row .m{font-weight:700}.sub-row .d{color:var(--muted);font-size:13px}.pill{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px}.pill.on{background:#e6f7ee;color:var(--ok)}.pill.off{background:#f2f3f5;color:var(--muted)}.login-box{max-width:380px;margin:40px auto}.login-box input{width:100%;padding:12px;margin-bottom:12px;border:1px solid var(--line);border-radius:8px;font-size:14px}.f-item{margin-bottom:14px}.f-item label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.f-item input{width:100%;padding:11px;border:1px solid var(--line);border-radius:8px;font-size:14px}.order-box{margin-top:18px}.qr{margin:16px 0;text-align:center}.qr img{width:220px;height:220px;border:1px solid var(--line);border-radius:12px;object-fit:contain}.order-no{font-weight:700}table{width:100%;border-collapse:collapse}td,th{padding:10px 12px;border-bottom:1px solid var(--line);font-size:14px;text-align:left}th{color:var(--muted);font-weight:600}.btn-row{display:flex;gap:8px}