:root{--blue:#0284c7;--accent:#0ea5e9;--ink:#172b42;--muted:#6b7e91;--line:#dfe8f0;--soft:#f0f9ff;--white:#fff;font-family:'Microsoft YaHei','Segoe UI',sans-serif;color:var(--ink);font-size:14px}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 80% 0,#e7f5ff,transparent 48%),#f6f9fc;line-height:1.65}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.4}button:focus-visible,input:focus-visible{outline:3px solid #7dd3fc;outline-offset:4px}[hidden]{display:none!important}.shell{max-width:1160px;margin:auto;padding:25px 28px 36px}header{display:flex;justify-content:space-between;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-size:17px}.brandmark{background:var(--blue);color:white;display:grid;place-items:center;width:35px;height:35px;border-radius:10px;font-size:21px}.headernote{font-size:12px;color:var(--muted)}.preview{margin-top:24px;border:1px dashed #b6cfdf;background:#edf6fc;padding:10px 15px;border-radius:9px;font-size:12px;color:#506e85}.hero{display:flex;justify-content:space-between;align-items:center;margin:30px 0 24px;gap:20px}.eyebrow{color:var(--blue);font-size:10px;letter-spacing:2px;font-weight:700;margin:0 0 5px}h1{font-size:31px;letter-spacing:-.8px;margin:0 0 6px}p{margin:0}h2{font-size:20px;margin:0}h3{font-size:15px;margin:0}.muted{color:var(--muted);font-size:13px}.pill{font-size:12px;border-radius:20px;background:#e8f4fc;padding:7px 13px;color:#337194;white-space:nowrap}.products{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px}.product{position:relative;text-align:left;border:1px solid var(--line);background:white;border-radius:12px;padding:18px 17px;display:flex;align-items:center;gap:12px;color:var(--ink);min-height:92px;transition:background .15s,border-color .15s}.product:hover{border-color:#91c7e5}.product.active{background:var(--soft);border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.product strong,.product small{display:block}.product strong{font-size:14px}.product small{font-size:11px;color:var(--muted);margin-top:3px}.icon{width:37px;height:37px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;background:#e1f1ff;color:#087cb5;font-weight:bold;font-size:17px}.icon.green{background:#e5f6ed;color:#258465}.icon.orange{background:#fff0e1;color:#b87329}.icon.purple{background:#f1eaff;color:#8058bb}.layout{display:grid;grid-template-columns:minmax(0,1fr) 326px;gap:22px;align-items:start}.panel{background:white;border:1px solid var(--line);border-radius:15px;padding:26px;box-shadow:0 10px 30px #172b4205}.sectionhead{display:flex;justify-content:space-between;align-items:start;gap:10px;padding-bottom:23px;border-bottom:1px solid #edf1f5}.sectionhead .muted{margin-top:5px}.tinybadge{font-size:11px;color:#258465;background:#eff8f2;border-radius:6px;padding:4px 8px;white-space:nowrap}.stephead{display:flex;align-items:center;gap:9px;margin:23px 0 14px}.number{display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#eef6fc;color:var(--blue);font-size:11px;font-weight:bold}.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.plan{position:relative;border:1px solid var(--line);border-radius:10px;background:white;color:var(--ink);padding:15px 5px 13px;text-align:center}.plan.active{border-color:var(--accent);background:var(--soft)}.plan strong{display:block;font-size:22px;line-height:1.4;margin-top:6px}.plan strong span{font-size:13px;font-weight:400}.plan small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.plan .term{font-size:13px;font-weight:700}.shopbox{padding:18px;background:#f8fbfe;border:1px solid #e3edf6;border-radius:11px}.countrow{display:flex;justify-content:space-between;align-items:center;gap:15px}.countrow strong{font-size:14px}.countrow .muted{font-size:11px;margin-top:3px}.counter{display:flex;align-items:center;gap:0;background:white;border:1px solid #cadbe7;border-radius:8px;overflow:hidden;flex-shrink:0}.counter button{border:0;background:white;width:35px;height:38px;font-size:21px;color:var(--blue)}.counter input{width:48px;height:38px;text-align:center;border:0;border-left:1px solid #edf1f5;border-right:1px solid #edf1f5;font-size:17px;font-weight:bold;color:var(--ink);appearance:textfield;-moz-appearance:textfield}.counter input::-webkit-inner-spin-button{appearance:none}.calculation{border-top:1px solid #e2eaf1;margin-top:16px;padding-top:13px;font-size:12px;color:#526c83}.calculation b{color:var(--blue)}.helper{font-size:11px;color:var(--muted);margin-top:12px}.info{font-size:12px;color:#58758a;display:flex;gap:8px;background:#f1f7fc;padding:13px 14px;border-radius:8px;margin-top:23px}.summary{position:sticky;top:20px}.summary h2{font-size:18px}.summarytitle{border-bottom:1px solid var(--line);padding:20px 0 16px;font-size:16px;font-weight:700}.details{margin:18px 0}.row{display:flex;justify-content:space-between;gap:14px;margin:11px 0;font-size:12px}.row span:first-child{color:var(--muted)}.row span:last-child{text-align:right}.separator{border:0;border-top:1px dashed var(--line);margin:17px 0}.total{border-top:1px solid var(--line);margin-top:20px;padding:20px 0 18px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--muted)}.total strong{font-size:32px;color:var(--blue);line-height:1.2;letter-spacing:-1px}.total strong small{font-size:18px;margin-right:3px}.pay{width:100%;border:0;border-radius:9px;background:linear-gradient(120deg,#0284c7,#0ea5e9);padding:13px;color:white;font-weight:700;box-shadow:0 5px 12px #0ea5e926}.paynote{text-align:center;font-size:11px;color:var(--muted);margin-top:10px}.summaryhint{font-size:11px;color:#8393a2;margin-top:18px;line-height:1.8}.message{font-size:12px;color:#0369a1;background:#edf8ff;padding:11px;border-radius:7px;margin-top:12px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:22px 0}.stat{background:#f6f9fc;border:1px solid #e8eef3;border-radius:9px;padding:12px}.stat small{display:block;font-size:11px;color:var(--muted)}.stat strong{display:block;font-size:23px;margin-top:4px}.license{padding:13px 0;border-top:1px solid #edf1f5;border-bottom:1px solid #edf1f5;font-size:12px;color:var(--muted);margin-bottom:21px}.license b{color:#258465}.notice{background:#fff8ed;color:#996522;padding:12px 14px;border-radius:8px;margin-top:18px;font-size:12px}footer{text-align:center;margin-top:28px;color:#93a1ad;font-size:11px}.logicnote{margin-top:20px;border:1px dashed #cadbe7;padding:13px 16px;border-radius:9px;color:#75899b;font-size:11px}.logicnote summary{cursor:pointer;color:#58758a}.logicnote p{margin-top:8px}#priceTotal{font-variant-numeric:tabular-nums}
@media(max-width:900px){.products{grid-template-columns:repeat(2,1fr)}.layout{grid-template-columns:minmax(0,1fr) 290px}.panel{padding:21px}.plans{grid-template-columns:repeat(2,1fr)}}@media(max-width:690px){.shell{padding:18px 16px}.layout{grid-template-columns:1fr}.summary{position:static}.hero{margin-top:25px}.hero .pill{display:none}.product{padding:13px 10px;gap:9px;min-height:84px}.product strong{font-size:13px}.icon{width:32px;height:32px;font-size:15px}.headernote{font-size:10px}.brand{font-size:14px}.countrow{flex-wrap:wrap}.plans{grid-template-columns:repeat(4,1fr)}.plan strong{font-size:20px}}@media(max-width:370px){.plans{grid-template-columns:repeat(2,1fr)}.product small{font-size:10px}}

.message.error{color:#b91c1c;background:#fff1f2}.message.ok{color:#15803d;background:#f0fdf4}.wide{width:100%}.secondary{padding:10px;border:1px solid var(--line);border-radius:8px;background:white;color:var(--blue);cursor:pointer;margin-top:10px}.return{display:block;text-align:center;font-size:12px;color:var(--blue);margin-top:16px}.brand{text-decoration:none;color:var(--ink)}