:root{
  --bg:#ffffff;
  --canvas:#f7f7f8;
  --sidebar:#f4f4f5;
  --panel:#ffffff;
  --text:#1f2328;
  --muted:#6b7280;
  --muted2:#9ca3af;
  --line:#e5e7eb;
  --line2:#d9dce1;
  --primary:#111827;
  --primary-soft:#ececf1;
  --success:#16a34a;
  --danger:#dc2626;
  --warning:#f59e0b;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 16px 50px rgba(0,0,0,.07);
  --shadow-soft:0 8px 24px rgba(0,0,0,.06);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,"Microsoft YaHei",sans-serif;background:var(--canvas);color:var(--text);min-height:100vh}
a{color:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:280px minmax(0,1fr)}
.sidebar{position:sticky;top:0;height:100vh;background:var(--sidebar);border-right:1px solid var(--line);padding:14px;display:flex;flex-direction:column;gap:14px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;padding:10px;border-radius:16px;color:var(--text)}
.brand:hover{background:#fff}.brand-mark{width:36px;height:36px;border-radius:12px;background:#111827;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;letter-spacing:.02em}.brand-text{display:flex;flex-direction:column;gap:2px}.brand-text b{font-size:15px}.brand-text small{font-size:12px;color:var(--muted)}
.side-nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;min-height:40px;padding:10px 12px;border-radius:12px;color:#343541;text-decoration:none;font-size:14px;font-weight:650}.nav-link:hover{background:#fff}.nav-link.admin-link{background:#111827;color:#fff}.nav-link.admin-link:hover{background:#262b36;color:#fff}
.sidebar-footer{margin-top:auto;display:flex;flex-direction:column;gap:12px}.credit-card-mini{padding:14px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow-soft)}.credit-card-mini span,.credit-card-mini small{display:block;color:var(--muted);font-size:12px}.credit-card-mini b{font-size:38px;line-height:1.05;letter-spacing:-.05em}.user-panel{display:flex;gap:10px;align-items:center;padding:10px;border-radius:16px;background:#fff;border:1px solid var(--line)}.avatar{width:34px;height:34px;border-radius:999px;background:#111827;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800}.user-meta{min-width:0;display:flex;flex-direction:column}.user-meta b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:178px}.user-meta a{font-size:12px;color:var(--muted);text-decoration:none}.user-meta a:hover{text-decoration:underline}
.workspace{min-width:0;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line);min-height:72px;padding:12px 28px;display:flex;align-items:center;justify-content:space-between;gap:18px}.top-kicker{font-size:12px;color:var(--muted);font-weight:700}.page-title{font-size:18px;margin:2px 0 0;letter-spacing:-.02em}.top-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.credit-pill,.pill,.badge{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 11px;font-size:13px;color:#374151;font-weight:700}.credit-pill b{font-size:16px;color:#111827}
.container{max-width:1060px;width:100%;margin:0 auto;padding:28px 24px 60px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:none;padding:24px;margin-bottom:18px}.card:hover{border-color:#d7d7dc}.glass-card{background:#fff}h1,h2,h3{letter-spacing:-.035em}h1{font-size:clamp(34px,5vw,56px);line-height:1.06;margin:8px 0 14px}h2{font-size:24px;margin:0 0 10px}h3{margin:0 0 10px}.muted{color:var(--muted);line-height:1.7}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin:0 0 4px;font-size:13px;color:var(--muted);font-weight:800}.eyebrow:before{content:"";width:8px;height:8px;border-radius:999px;background:#10a37f}
.hero-official{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:18px;align-items:stretch;padding:30px}.hero-copy{display:flex;flex-direction:column;justify-content:center}.hero-copy h1{font-size:clamp(34px,4.5vw,54px)}.hero-actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:18px}.balance-box{background:#f8f8f8;border:1px solid var(--line);border-radius:22px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;min-height:180px}.balance-box span,.balance-box small{color:var(--muted)}.balance-row{display:flex;align-items:end;justify-content:space-between;gap:12px}.balance-box b{font-size:60px;line-height:1;letter-spacing:-.08em;color:#111827}
.official-module{padding:22px}.module-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:16px}.module-head h2{font-size:28px;margin:0}.slider-actions{display:flex;gap:8px}.circle-btn{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#111827;font-size:24px;line-height:1;cursor:pointer}.circle-btn:hover{background:#f4f4f5}.style-strip{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding:2px 2px 18px;margin:0 -2px;scrollbar-color:#c8c8cf transparent}.style-card{position:relative;flex:0 0 178px;height:226px;border:1px solid var(--line);border-radius:22px;overflow:hidden;cursor:pointer;scroll-snap-align:start;background:#f3f4f6;background-size:cover;background-position:center;box-shadow:none;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.style-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-soft)}.style-card.is-active{border-color:#111827;box-shadow:0 0 0 3px rgba(17,24,39,.12)}.style-card:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(0,0,0,.05) 42%,rgba(0,0,0,.66))}.style-title{position:absolute;z-index:2;left:14px;right:14px;bottom:14px;color:#fff;font-size:17px;font-weight:900;text-shadow:0 2px 12px rgba(0,0,0,.55)}.style-index{position:absolute;z-index:2;left:12px;top:12px;min-width:30px;height:30px;padding:0 8px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:rgba(255,255,255,.9);color:#111827;font-size:12px;font-weight:900}.style-card.has-cover:after,.style-card.has-cover .style-title,.style-card.has-cover .style-index{display:none}
.generate-card{padding:0;overflow:hidden}.generate-shell{display:grid;grid-template-columns:340px minmax(0,1fr);gap:0}.upload-panel{background:#fafafa;border-right:1px solid var(--line);padding:24px}.upload-box{display:flex;align-items:center;justify-content:center;min-height:220px;border-radius:18px;background:#fff;border:1.5px dashed #cfd4dc;text-align:center;color:var(--muted);padding:18px;cursor:pointer}.upload-box:hover{border-color:#111827}.upload-icon{font-size:40px;display:block;margin-bottom:8px;color:#111827}.form-panel{min-width:0;padding:24px}.form-group{margin-bottom:15px}label{display:block;font-weight:800;margin-bottom:8px;color:#343541;font-size:14px}input,textarea,select{width:100%;padding:13px 14px;border:1px solid var(--line2);border-radius:14px;font-size:15px;background:#fff;outline:none;transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus,select:focus{border-color:#111827;box-shadow:0 0 0 3px rgba(17,24,39,.08)}textarea{min-height:170px;resize:vertical;line-height:1.65}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #111827;border-radius:14px;padding:12px 17px;background:#111827;color:#fff;font-weight:800;text-decoration:none;cursor:pointer;font-size:14px;transition:transform .12s,background .12s}.btn:hover{transform:translateY(-1px);background:#242936}.btn.secondary,.btn.ghost{background:#fff;color:#111827;border-color:var(--line2);box-shadow:none}.btn.secondary:hover,.btn.ghost:hover{background:#f4f4f5}.btn.green{background:#10a37f;border-color:#10a37f}.btn.danger{background:#dc2626;border-color:#dc2626}.btn.small{padding:8px 11px;font-size:13px;border-radius:11px}.btn-nav{padding:10px 14px;box-shadow:none}.btn-wide{width:100%;font-size:16px;padding:14px 18px;border-radius:16px}.alert{padding:13px 15px;border-radius:14px;margin-bottom:18px;border:1px solid;font-weight:750;background:#fff}.alert-info{color:#1e3a8a;border-color:#bfdbfe;background:#eff6ff}.alert-success{color:#166534;border-color:#bbf7d0;background:#f0fdf4}.alert-error{color:#991b1b;border-color:#fecaca;background:#fef2f2}.two-img{display:grid;grid-template-columns:1fr 1fr;gap:16px}.preview,.thumb{max-width:100%;border-radius:16px;border:1px solid var(--line);background:#fff}.preview{width:100%}.thumb{width:126px;height:126px;object-fit:cover}.result-card h2{margin-bottom:16px}.history-item{display:grid;grid-template-columns:126px 1fr 126px;gap:16px;align-items:center;border-top:1px solid var(--line);padding:18px 0}.history-item:first-of-type{border-top:0}.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.tab{padding:9px 13px;border-radius:999px;background:#fff;text-decoration:none;color:#111827;border:1px solid var(--line);font-weight:800;font-size:14px}.tab.active{background:#111827;color:#fff}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:12px;border-bottom:1px solid #eef0f3;text-align:left;vertical-align:top}.table th{font-size:13px;color:#6b7280}.inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.inline input,.inline select{width:auto}.code{background:#111827;color:#e5e7eb;border-radius:16px;padding:14px;overflow:auto}.package{border:1px solid var(--line);border-radius:20px;padding:20px;background:#fff}.package h3{font-size:21px}.auth-card{max-width:480px;margin:54px auto}.footer{display:none}.loading-mask{position:fixed;inset:0;background:rgba(17,24,39,.38);z-index:100;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(10px)}.loading-mask.show{display:flex}.loading-card{width:min(360px,100%);background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px;text-align:center;box-shadow:var(--shadow)}.spinner{width:46px;height:46px;margin:0 auto 16px;border-radius:50%;border:4px solid #eef0f3;border-top-color:#111827;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}
@media(max-width:980px){.app-shell{grid-template-columns:1fr}.sidebar{position:relative;height:auto;border-right:0;border-bottom:1px solid var(--line);padding:10px 12px}.brand{display:inline-flex}.side-nav{flex-direction:row;overflow:auto;padding-bottom:2px}.sidebar-footer{display:none}.topbar{display:none}.container{padding:20px 14px 46px}.hero-official,.generate-shell{grid-template-columns:1fr}.upload-panel{border-right:0;border-bottom:1px solid var(--line)}.grid3{grid-template-columns:1fr 1fr}.style-card{flex-basis:166px;height:212px}.module-head h2{font-size:24px}}
@media(max-width:680px){.card{padding:18px;border-radius:20px}.generate-card{padding:0}.upload-panel,.form-panel{padding:18px}h1{font-size:34px}.module-head{align-items:flex-start;flex-direction:column}.grid,.grid3,.two-img{grid-template-columns:1fr}.history-item{grid-template-columns:1fr}.style-card{flex-basis:148px;height:188px;border-radius:20px}.hero-actions .btn{width:100%}.table{font-size:13px}.top-actions{display:none}}