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a{color:#93c5fd;pointer-events:auto}.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);display:grid;place-items:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.16);border-radius:999px;background:#0f172a8c;color:#fff;cursor:pointer}.lightbox-nav:hover{background:#ffffff29}.lightbox-nav.left{left:4px}.lightbox-nav.right{right:4px}.lightbox-tip{flex:none;display:flex;align-items:center;justify-content:center;gap:6px;font-size:12px;color:#94a3b8}@media (max-width: 640px){.lightbox{padding:10px 10px 8px}.lightbox-bar{gap:6px}.lightbox-title{max-width:50%}.lightbox-meta,.lightbox-tip{display:none}.lightbox-btn:nth-of-type(1),.lightbox-btn:nth-of-type(2),.lightbox-btn:nth-of-type(3){display:none}.zoom-hint{opacity:1}}.toast-wrap{position:fixed;top:74px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:200;pointer-events:none;width:min(440px,calc(100vw - 32px))}.toast{display:flex;align-items:flex-start;gap:10px;padding:11px 14px;border-radius:var(--radius-md);background:var(--ink-900);color:#fff;box-shadow:var(--shadow-md);font-size:13px;animation:toast-in .2s ease}.toast-success{background:#14532d}.toast-error{background:#7f1d1d}.toast-warning{background:#78350f}@keyframes toast-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.notice{display:flex;gap:10px;padding:11px 13px;border-radius:var(--radius-md);font-size:13px;line-height:1.55}.notice-info{background:var(--brand-50);border:1px solid var(--brand-100);color:var(--brand-900)}.notice-warning{background:var(--warning-bg);border:1px solid #fde68a;color:#92400e}.notice-danger{background:var(--danger-bg);border:1px solid #fecaca;color:#991b1b}.hero{padding:72px 0 44px;text-align:center}.hero-title{font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.5px}.hero-sub{margin-top:16px;font-size:16px;color:var(--ink-600);max-width:620px;margin-left:auto;margin-right:auto}.hero-actions{margin-top:26px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(248px,1fr));gap:16px}.feature-card{padding:20px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--surface);box-shadow:var(--shadow-xs)}.feature-icon{width:38px;height:38px;border-radius:11px;background:var(--brand-50);color:var(--brand-700);display:grid;place-items:center;margin-bottom:12px}.package-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:14px}.package-card{position:relative;padding:18px 16px;border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:var(--surface);text-align:left;transition:all .15s}.package-card:hover{border-color:var(--brand-500);box-shadow:var(--shadow-sm)}.package-card.active{border-color:var(--brand-600);box-shadow:0 0 0 3px #2563eb1a}.package-price{font-size:26px;font-weight:700;color:var(--ink-900);font-variant-numeric:tabular-nums}.package-credits{font-size:20px;font-weight:700;color:var(--brand-700);font-variant-numeric:tabular-nums}.qr-box{width:196px;height:196px;margin:0 auto;border-radius:var(--radius-md);border:1px solid var(--line);background:var(--surface-muted);display:grid;place-items:center;overflow:hidden}.qr-box img,.qr-box canvas{width:100%;height:100%;display:block}.kv{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line)}.kv:last-child{border-bottom:none}.kv-key{color:var(--ink-500)}.kv-value{font-weight:500;font-variant-numeric:tabular-nums}.center-page{display:grid;place-items:center;min-height:calc(100vh - var(--header-h));padding:32px 16px}.footer{border-top:1px solid var(--line);background:var(--surface);padding:22px 0;color:var(--ink-400);font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media (max-width: 1024px){.workbench{grid-template-columns:minmax(0,1fr)}.sticky-panel{position:static}.hero-title{font-size:30px}.ratio-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}@media (max-width: 900px){.result-compare{grid-template-columns:minmax(0,1fr)}.result-head-actions{width:100%}.result-pane-media{height:clamp(260px,46vh,460px)}}@media (max-width: 720px){.container{padding:0 16px}.nav{display:none}.thumb-grid{grid-template-columns:repeat(3,1fr)}.ratio-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}