:root{
  --brand:#2563eb;--brand-2:#1e40af;--brand-dark:#0e3f8c;--ink:#0f172a;--body:#334155;--muted:#64748b;
  --bg:#f8fafc;--bg-soft:#f1f5f9;--line:#e8edf3;--ok:#0f9d58;--err:#d23f3f;
  --radius:16px;--shadow:0 1px 2px rgba(15,23,42,.04),0 20px 44px -18px rgba(15,23,42,.20);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--body);background:#fff;line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{color:var(--ink)}
.wrap{max-width:1040px;margin:0 auto;padding:0 22px}
.row{display:flex;align-items:center;justify-content:space-between}
a{color:var(--brand)}

.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.82);backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--line)}
.site-header .wrap{height:62px}
.logo{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.01em}
.logo span{color:var(--brand)}
.ghost{text-decoration:none;font-size:14px;font-weight:600;color:var(--muted)}
.ghost:hover{color:var(--brand)}

.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0b1733 0%,#1e3a8a 55%,#2563eb 100%);color:#fff;padding:86px 0 132px;text-align:center}
.hero h1{font-size:clamp(30px,5vw,46px);font-weight:800;letter-spacing:-.02em;line-height:1.18;margin:0 0 16px}
.hero p{font-size:clamp(15px,2vw,18px);opacity:.92;margin:0 auto;max-width:660px}

.uploader{padding:0 0 16px}
.upload-card{max-width:780px;margin:-86px auto 0;position:relative;z-index:5;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:clamp(20px,4vw,34px)}
.drop{border:2px dashed #c4d2ea;border-radius:14px;background:var(--bg);cursor:pointer;transition:.18s;padding:40px 20px;text-align:center}
.drop:hover,.drop.hot{border-color:var(--brand);background:#eef4fd}
.drop-icon{font-size:40px}
.drop-title{font-size:17px;font-weight:600;margin:10px 0 4px}
.drop-hint{color:var(--muted);font-size:13px;margin:0}

.gen-prompt{margin-top:14px}
.gen-prompt label{display:block;font-size:13.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.gen-prompt textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-size:14px;resize:vertical;font-family:inherit}
.gen-prompt textarea:focus{outline:none;border-color:var(--brand)}

.form-row{display:flex;gap:12px;margin-top:14px}
.form-row input{flex:1;border:1px solid var(--line);border-radius:9px;padding:13px 14px;font-size:15px}
.form-row input:focus{outline:none;border-color:var(--brand)}
.form-row button{background:var(--brand);color:#fff;border:0;border-radius:999px;padding:0 30px;font-size:15px;font-weight:700;cursor:pointer;transition:.18s;box-shadow:0 8px 20px -8px rgba(37,99,235,.6)}
.form-row button:hover:not(:disabled){background:var(--brand-2);transform:translateY(-1px)}
.form-row button:disabled{opacity:.5;cursor:not-allowed}

.status{margin-top:22px}
.bar{height:8px;background:var(--line);border-radius:6px;overflow:hidden}
.barfill{height:100%;width:0;background:var(--brand);transition:width .4s}
.status p{color:var(--muted);font-size:14px;margin:8px 0 0;text-align:center}

.result{margin-top:24px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:22px}
.result h3{margin:0 0 10px;color:var(--ok)}
.result p{margin:4px 0}
.preview-frame{width:100%;height:460px;border:1px solid var(--line);border-radius:10px;background:#fff;margin-top:14px}
.next{margin-top:14px !important;font-size:14px}

.error{margin-top:18px;background:#fdeaea;color:var(--err);border:1px solid #f3c0c0;border-radius:9px;padding:12px 14px;font-size:14px}

.how{padding:56px 0 72px;background:var(--bg);border-top:1px solid var(--line);margin-top:40px}
.how h2{text-align:center;font-size:26px;font-weight:800;letter-spacing:-.02em;margin:0 0 30px}
.how ol{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;list-style:none;counter-reset:step;padding:0;margin:0;max-width:1040px}
.how li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;position:relative;color:var(--muted);font-size:14px;box-shadow:0 1px 2px rgba(15,23,42,.04)}
.how li b{display:block;color:var(--ink);font-size:16px;margin-bottom:4px}
.how li::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:var(--brand);color:#fff;font-weight:800;margin-bottom:12px;box-shadow:0 8px 18px -8px rgba(37,99,235,.6)}

/* 域名注册 */
.domain-reg{padding:50px 0 10px}
.domain-reg h2{text-align:center;font-size:24px;font-weight:800;letter-spacing:-.02em;margin:0 0 6px}
.dr-tip{text-align:center;color:var(--muted);font-size:14px;margin:0 0 18px}
.dr-row{display:flex;gap:12px;max-width:560px;margin:0 auto}
.dr-input{flex:1;display:flex;align-items:center;border:1px solid var(--line);border-radius:9px;padding:0 14px;background:#fff}
.dr-input input{flex:1;border:0;outline:none;padding:13px 0;font-size:15px}
.dr-suffix{color:var(--muted);font-weight:600}
.dr-row button{background:var(--brand);color:#fff;border:0;border-radius:999px;padding:0 28px;font-weight:700;cursor:pointer;transition:.18s;box-shadow:0 8px 20px -8px rgba(37,99,235,.6)}
.dr-row button:hover:not(:disabled){background:var(--brand-2);transform:translateY(-1px)}
.dr-row button:disabled{opacity:.5}
.dr-input:focus-within{border-color:var(--brand)}
.dr-out{max-width:560px;margin:14px auto 0;font-size:15px}
.dr-ok{background:#ecfdf5;border:1px solid #a7f3d0;border-radius:10px;padding:14px 16px;color:#065f46}
.dr-bad{background:#fef2f2;border:1px solid #fecaca;border-radius:10px;padding:14px 16px;color:#b91c1c}
.dr-reg{margin-left:12px;background:var(--brand);color:#fff;border:0;border-radius:8px;padding:7px 16px;font-weight:700;cursor:pointer}
.dr-reg:disabled{opacity:.5}
.dr-note{color:#059669;font-size:12.5px;margin-top:6px}
.dr-soon{color:var(--muted);font-size:13px;margin-left:8px}
.dr-pay{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;text-align:center}
.dr-pay-h{font-size:16px;margin-bottom:14px}
.dr-qr{display:flex;justify-content:center}
.dr-qr img,.dr-qr canvas{border:1px solid var(--line);border-radius:8px;padding:8px;background:#fff}
.dr-paytip{color:var(--muted);font-size:12.5px;margin-top:10px}
.dr-status{margin-top:12px;font-size:14px;color:var(--ink)}

.site-footer{background:#0a1120;color:#8aa0bd;font-size:13px;text-align:center;padding:26px 0}

.edit-link-tip{background:#fffbeb;border:1px solid #fde68a;border-radius:9px;padding:10px 12px;font-size:13.5px;color:#92732a;word-break:break-all}
.edit-link-tip a{color:#b45309}

/* 修改网站 */
.edit-box{margin-top:18px;border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}
.edit-box h4{margin:0 0 6px;font-size:16px;color:var(--ink)}
/* 修改网站模块——强调样式(管理后台显眼) */
.edit-box.emph{border:2px solid var(--brand);background:linear-gradient(180deg,#f5f9ff,#fff);box-shadow:0 14px 34px -18px rgba(37,99,235,.55)}
.edit-box.emph h4{font-size:20px;display:flex;align-items:center;flex-wrap:wrap;gap:8px}
.edit-hint{font-size:13px;font-weight:700;color:var(--brand);background:#eaf2ff;border:1px solid #cfe0ff;padding:3px 12px;border-radius:999px;white-space:nowrap}
/* 点击定位模块 */
.inspect-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:6px 0 10px}
.btn-inspect{background:#fff;color:var(--brand);border:1.5px solid var(--brand);border-radius:999px;padding:7px 16px;font-size:14px;font-weight:700;cursor:pointer;transition:.15s}
.btn-inspect:hover{background:#eaf2ff}
.btn-inspect.on{background:var(--brand);color:#fff}
.inspect-tip{font-size:13px;color:var(--muted,#6b7280)}
.inspect-info{font-size:13.5px;color:var(--body);line-height:1.6}
.inspect-info code{background:#eef2f7;border-radius:5px;padding:1px 6px;font-size:12.5px;color:var(--ink)}
.btn-mini{margin-left:6px;background:var(--brand);color:#fff;border:0;border-radius:7px;padding:4px 11px;font-size:12.5px;font-weight:600;cursor:pointer}
.btn-mini:hover{filter:brightness(1.06)}
.edit-box textarea{width:100%;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-size:14px;resize:vertical;font-family:inherit}
.edit-box textarea:focus{outline:none;border-color:var(--brand)}
.edit-row{display:flex;align-items:center;gap:12px;margin-top:10px}
.edit-upload{cursor:pointer;color:var(--brand);font-size:14px;border:1px dashed #b9cae3;border-radius:8px;padding:8px 12px}
.edit-upload:hover{background:#eef4fd}
.edit-imgcount{color:var(--muted);font-size:13px;flex:1}
.edit-row button{background:var(--brand);color:#fff;border:0;border-radius:9px;padding:10px 20px;font-weight:600;cursor:pointer}
.edit-row button:disabled{opacity:.5}
.edit-row .btn-undo{background:#fff;color:var(--muted);border:1px solid var(--line);font-weight:500}
.edit-row .btn-undo:hover{background:var(--bg-soft);color:var(--ink)}
.bind-out .ok{color:var(--ok)}
.bind-steps-up{margin:0 0 12px;padding-left:20px;color:var(--muted);font-size:13.5px;line-height:1.9}
.bind-steps-up code{background:#f1f5f9;padding:1px 6px;border-radius:5px}
.cname-rec{display:flex;flex-direction:column;gap:5px;margin:8px 0;padding:11px 13px;background:#f3f6fb;border:1px solid var(--line);border-radius:8px;color:var(--ink)}
.cname-rec code{background:#fff;border:1px solid var(--line)}
.cname-rec code#cname-target{font-weight:700;color:var(--brand)}

/* 绑定域名 */
.bind-box{margin-top:18px;border:1px solid var(--line);border-radius:12px;padding:18px;background:#fff}
.bind-box h4{margin:0 0 6px;font-size:16px;color:var(--ink)}
.bind-tip{margin:0 0 12px;color:var(--muted);font-size:13px}
.bind-row{display:flex;gap:10px}
.bind-row input{flex:1;border:1px solid var(--line);border-radius:9px;padding:11px 13px;font-size:14px}
.bind-row input:focus{outline:none;border-color:var(--brand)}
.bind-row button{background:var(--brand);color:#fff;border:0;border-radius:9px;padding:0 20px;font-weight:600;cursor:pointer}
.bind-row button:disabled{opacity:.5}
.bind-out{margin-top:14px;font-size:14px;color:var(--ink)}
.bind-out .bad{color:var(--err)}
.bind-steps table{border-collapse:collapse;margin:10px 0}
.bind-steps td{border:1px solid var(--line);padding:7px 12px;font-size:13px}
.bind-steps code{background:#f1f5f9;padding:2px 7px;border-radius:5px;font-size:13px}
.bind-steps button{margin-left:8px;background:#eef4ff;color:var(--brand);border:1px solid #c7dbff;border-radius:7px;padding:4px 10px;cursor:pointer;font-size:12px}

.hidden{display:none}
@media(max-width:640px){
  .hero h1{font-size:28px}
  .how ol{grid-template-columns:1fr}
  .form-row{flex-direction:column}
}