:root{color-scheme:dark;--bg: #090a0c;--bg-elevated: #101216;--stage: #0d0f13;--panel: rgba(22, 25, 31, .88);--panel-solid: #16191f;--panel-2: #1c2028;--text: #f4f1ea;--muted: #9a958c;--line: rgba(244, 241, 234, .08);--line-strong: rgba(244, 241, 234, .14);--gold: #c6a15b;--gold-soft: rgba(198, 161, 91, .16);--gold-strong: #e0c07a;--accent: #c6a15b;--danger: #ff7a7a;--shadow: 0 24px 60px rgba(0, 0, 0, .45);--radius: 8px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px);font-family:SF Pro Display,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;letter-spacing:0}*{box-sizing:border-box}.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}html,body{height:100%}#root{min-height:100%}body{margin:0;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}button,input{font:inherit;color:inherit}button{-webkit-tap-highlight-color:transparent}.shell{min-height:100%;min-height:100dvh;display:flex;flex-direction:column;position:relative;overflow:auto;background:var(--bg)}.ambient{pointer-events:none;position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 70% 45% at 50% -10%,rgba(198,161,91,.12),transparent 55%),radial-gradient(ellipse 40% 30% at 100% 20%,rgba(120,140,180,.05),transparent 50%),radial-gradient(ellipse 35% 28% at 0% 80%,rgba(198,161,91,.04),transparent 50%);z-index:0}.topbar,.stage,.toolbar{position:relative;z-index:1}.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;min-height:64px;padding:calc(10px + var(--safe-t)) 28px 10px;border-bottom:1px solid var(--line);background:#090a0cc7;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand-mark{width:36px;height:36px;border-radius:8px;display:grid;place-items:center;background:linear-gradient(145deg,#e0c07af2,#a6803aeb);box-shadow:0 8px 20px #c6a15b2e;flex:0 0 auto}.brand-mark-inner{color:#15120d;font-weight:700;font-size:15px;line-height:1}.brand-text strong{display:block;font-size:16px;font-weight:650;line-height:1.15;letter-spacing:.02em}.brand-text span{display:block;margin-top:2px;color:var(--muted);font-size:11px;letter-spacing:.08em;text-transform:none}.top-center{display:flex;justify-content:center}.top-pill{height:28px;padding:0 12px;border-radius:999px;border:1px solid var(--line-strong);background:#ffffff05;color:var(--muted);font-size:11px;letter-spacing:.14em;text-transform:uppercase;display:inline-flex;align-items:center}.top-meta{justify-self:end;color:var(--muted);font-size:12px;white-space:nowrap}.top-meta em{display:inline-block;width:3px;height:3px;margin:0 8px;border-radius:50%;background:#9a958cb3;vertical-align:middle}.stage{flex:1 1 auto;min-height:0;display:grid;place-items:start center;align-content:start;padding:28px 20px 24px}.upload-card{width:min(560px,100%);min-height:340px;border:1px solid var(--line-strong);border-radius:8px;background:linear-gradient(180deg,#1c2028b8,#101216e0);box-shadow:var(--shadow);display:grid;place-items:center;align-content:center;gap:18px;text-align:center;padding:42px 32px;cursor:pointer;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.upload-card:hover,.upload-card.dragover{border-color:#c6a15b8c;transform:translateY(-2px);box-shadow:0 28px 70px #00000080}.upload-ring{width:76px;height:76px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle,rgba(198,161,91,.14),transparent 68%);border:1px solid rgba(198,161,91,.22)}.upload-icon{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:var(--gold-strong);background:#c6a15b1a}.upload-copy{display:grid;gap:10px}.eyebrow{margin:0;color:var(--gold);font-size:11px;letter-spacing:.22em;font-weight:600}.upload-card h1{margin:0;font-size:clamp(22px,3.2vw,28px);font-weight:600;line-height:1.25;color:var(--text)}.upload-desc{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.upload-btn,.download-btn{height:44px;min-width:132px;padding:0 20px;border:none;border-radius:8px;background:linear-gradient(135deg,#e0c07a,#b58b3f);color:#16130d;font-weight:650;cursor:pointer;box-shadow:0 10px 24px #c6a15b2e;transition:filter .15s ease,transform .15s ease,opacity .15s ease}.upload-btn:hover,.download-btn:hover:not(:disabled){filter:brightness(1.05);transform:translateY(-1px)}.download-btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.canvas{width:min(760px,100%);display:grid;justify-items:center;gap:16px}.photo-stage{width:100%;display:grid;place-items:center;padding:8px 0 4px}.photo-frame{width:min(360px,72vw,calc(min(58vh,560px) * var(--frame-ratio, .714)));max-width:100%;aspect-ratio:var(--frame-ratio, .714);height:auto;background:#0a0c10;border:1px solid var(--line-strong);border-radius:6px;box-shadow:0 0 0 1px #ffffff05 inset,var(--shadow);position:relative;overflow:hidden}.photo-frame img{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;object-fit:fill;display:block;background:#0a0c10}.loading-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-content:center;gap:12px;background:#080a0e85;color:#f4f1ea;font-size:13px;letter-spacing:.08em}.spinner{width:28px;height:28px;border-radius:50%;border:2px solid rgba(244,241,234,.18);border-top-color:var(--gold-strong);margin:0 auto;animation:spin .85s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status-line{min-height:20px;color:var(--muted);font-size:12px;text-align:center;max-width:90%;word-break:break-all}.status-line.error{color:var(--danger)}.canvas-actions{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}.ghost-btn{border:1px solid var(--line-strong);background:transparent;color:var(--muted);height:36px;padding:0 14px;border-radius:999px;cursor:pointer;transition:color .15s ease,border-color .15s ease,background .15s ease}.ghost-btn:hover{color:var(--text);border-color:#f4f1ea3d;background:#ffffff05}.toolbar{border-top:1px solid var(--line);background:#090a0ce6;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);padding:14px 18px calc(14px + var(--safe-b))}.toolbar-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap}.tool-group{display:flex;align-items:center;gap:10px;min-height:44px}.tool-label{color:var(--muted);font-size:11px;letter-spacing:.12em;white-space:nowrap}.chip-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.chip{height:34px;padding:0 13px;border-radius:999px;border:1px solid var(--line);background:var(--panel-solid);color:var(--text);cursor:pointer;white-space:nowrap;transition:border-color .15s ease,background .15s ease,color .15s ease}.chip:hover{border-color:var(--line-strong)}.chip.active{border-color:#c6a15b8c;background:var(--gold-soft);color:var(--gold-strong)}.chip.ghost{background:transparent}.more-wrap{position:relative}.more-panel{position:absolute;left:0;bottom:calc(100% + 10px);width:220px;max-height:280px;overflow:auto;padding:8px;border-radius:8px;border:1px solid var(--line-strong);background:var(--panel-2);box-shadow:var(--shadow);z-index:30;display:grid;gap:4px}.more-item{display:flex;flex-direction:column;align-items:flex-start;gap:2px;width:100%;border:none;background:transparent;color:var(--text);border-radius:6px;padding:8px 10px;cursor:pointer;text-align:left}.more-item:hover,.more-item.active{background:#c6a15b1f}.more-item strong{font-size:13px;font-weight:600}.more-item span{color:var(--muted);font-size:12px}.swatch{width:28px;height:28px;border-radius:50%;border:2px solid rgba(255,255,255,.16);cursor:pointer;padding:0;transition:box-shadow .15s ease,border-color .15s ease}.swatch.active{box-shadow:0 0 0 3px #c6a15b59;border-color:#fff}.custom-swatch{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 10px;border-radius:999px;border:1px solid var(--line);background:var(--panel-solid);color:var(--muted);font-size:12px;cursor:pointer}.custom-swatch input{width:18px;height:18px;padding:0;border:none;background:transparent;cursor:pointer}.tool-actions{display:flex;align-items:center}.hidden-input,.mobile-only{display:none}.desktop-only{display:flex}.hero-wrap{width:min(880px,100%);display:grid;gap:22px;justify-items:center}.keyword-tags{list-style:none;margin:4px 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.keyword-tags li{height:28px;padding:0 10px;border-radius:999px;border:1px solid var(--line);color:var(--muted);font-size:12px;display:inline-flex;align-items:center;background:#ffffff05}.seo-panel{width:min(880px,100%);border:1px solid var(--line);border-radius:8px;background:#101216b8;padding:22px 22px 18px}.seo-panel h2{margin:0 0 10px;font-size:18px;font-weight:600;color:var(--text);line-height:1.4}.seo-panel>p{margin:0 0 16px;color:var(--muted);font-size:13px;line-height:1.7}.seo-panel strong{color:var(--gold-strong);font-weight:600}.seo-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.seo-grid article{border:1px solid var(--line);border-radius:8px;background:#ffffff05;padding:14px 14px 12px}.seo-grid h3{margin:0 0 8px;font-size:14px;font-weight:600;color:var(--text)}.seo-grid p{margin:0;color:var(--muted);font-size:12px;line-height:1.65}.seo-faq{position:relative;z-index:1;border-top:1px solid var(--line);background:#090a0cb8;padding:20px 18px 8px}.seo-faq-inner{max-width:880px;margin:0 auto}.seo-faq h2{margin:0 0 12px;font-size:16px;font-weight:600}.faq-list{display:grid;gap:8px;margin-bottom:8px}.faq-list details{border:1px solid var(--line);border-radius:8px;background:#16191fb8;padding:0 14px}.faq-list summary{cursor:pointer;list-style:none;min-height:44px;display:flex;align-items:center;color:var(--text);font-size:13px;font-weight:550}.faq-list summary::-webkit-details-marker{display:none}.faq-list details[open] summary{color:var(--gold-strong)}.faq-list p{margin:0 0 12px;color:var(--muted);font-size:12px;line-height:1.7}@media(max-width:900px){.seo-grid{grid-template-columns:1fr}.seo-panel{padding:18px 16px 14px}.seo-panel h2{font-size:16px}}@media(max-width:720px){.hero-wrap{gap:16px}.keyword-tags li{font-size:11px}.seo-faq{padding:16px 12px 4px}}@media(max-width:960px){.topbar{grid-template-columns:1fr auto;padding-left:18px;padding-right:18px}.top-meta{display:none}.top-center{justify-self:end}.toolbar-inner{justify-content:flex-start;gap:16px}.photo-frame{width:min(320px,78vw,calc(min(54vh,520px) * var(--frame-ratio, .714)))}}@media(max-width:720px){.topbar{min-height:58px;grid-template-columns:1fr;justify-items:start;gap:0;padding:calc(8px + var(--safe-t)) 16px 10px}.top-center{display:none}.brand-mark{width:34px;height:34px}.brand-text strong{font-size:15px}.stage{padding:18px 14px 16px;align-content:start}.upload-card{min-height:320px;padding:32px 20px;gap:16px}.upload-card h1{font-size:22px}.upload-desc{font-size:13px}.photo-frame{width:min(280px,82vw,calc(min(48vh,460px) * var(--frame-ratio, .714)))}.toolbar{padding:12px 12px calc(12px + var(--safe-b))}.toolbar-inner{display:grid;grid-template-columns:1fr;gap:12px;width:100%}.tool-group{width:100%;align-items:flex-start;flex-direction:column;gap:8px;min-height:0}.chip-row{width:100%}.chip{height:36px}.more-panel{left:auto;right:0;width:min(240px,78vw)}.desktop-only{display:none}.mobile-only{display:inline-flex;align-items:center;justify-content:center}.canvas-actions{width:100%}.canvas-actions .download-btn{min-width:140px}}@media(max-width:380px){.upload-card{min-height:280px;padding:28px 16px}.upload-card h1{font-size:20px}.photo-frame{width:min(250px,86vw,calc(min(44vh,400px) * var(--frame-ratio, .714)))}.chip{padding:0 10px;font-size:13px}}@media(min-width:1200px){.stage{padding-top:36px}.photo-frame{width:min(380px,calc(min(60vh,600px) * var(--frame-ratio, .714)))}.toolbar-inner{gap:28px}}