@charset "UTF-8";
:root{color-scheme:dark;--bg:#06131e;--line:#243c4d;--muted:#99afbf;--cyan:#53dedb;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#f2f7fa;background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 85% 0,#10384688,transparent 45%),var(--bg)}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:4px}[hidden]{display:none!important}.topbar{height:78px;max-width:1600px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #ffffff0e;font-size:12px}.brand{display:flex;align-items:center;gap:12px;font-size:15px;font-weight:600}.brand-mark{display:grid;place-items:center;width:32px;height:32px;border:1px solid var(--cyan);border-radius:9px;color:var(--cyan);font-size:23px}.brand>span{color:#557080;margin:0 8px}main{max-width:1504px;margin:auto;padding:0 32px}.hero{display:grid;grid-template-columns:1fr 1fr;align-items:center;min-height:370px;gap:35px;overflow:hidden}.eyebrow{color:var(--cyan);font-size:11px;font-weight:700;letter-spacing:2.5px}.hero h1{font-size:clamp(30px,3.05vw,48px);line-height:1.35;letter-spacing:-1.7px;margin:18px 0}.hero h1 span{display:block;color:var(--cyan)}.hero p{max-width:515px;color:#b0c0cc;line-height:1.9;font-size:14px}.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}.hero-tags span{font-size:11px;border:1px solid #2c4b5c;padding:7px 11px;border-radius:5px;color:#bad0dd}.hero-art{width:100%;max-height:330px;object-fit:contain;mix-blend-mode:screen}.workflow{display:flex;align-items:center;justify-content:space-around;padding:22px 34px;border:1px solid var(--line);border-radius:14px;background:#0b2030;margin-bottom:32px}.workflow>div{display:flex;gap:16px;align-items:center}.workflow img{width:48px;height:48px}.workflow span{font-size:14px;font-weight:600}.workflow small{display:block;color:var(--muted);font-size:9px;font-weight:400;letter-spacing:1.4px;margin-bottom:7px}.step-arrow{color:#547483}.studio{display:grid;grid-template-columns:400px minmax(0,1fr);gap:24px;align-items:start}.panel{border:1px solid var(--line);border-radius:16px;background:linear-gradient(140deg,#0c2233,#0a1b28);padding:28px;min-width:0}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-heading h2{font-size:22px;margin:9px 0 0;letter-spacing:-.5px}.section-note{font-size:12px;color:var(--muted);line-height:1.7;margin:14px 0 23px}.tag{font-size:11px;border:1px solid #335760;color:var(--cyan);padding:6px 10px;border-radius:20px;white-space:nowrap}fieldset{border:0;padding:0;margin:0;min-width:0}label{display:block;font-size:13px;font-weight:600;margin:19px 0 9px}em{color:var(--cyan);font-style:normal}input:not([type=file]){width:100%;padding:13px 12px;border-radius:7px;border:1px solid #294252;background:#071622;color:#e5f2f7;font-size:13px}input::placeholder{color:#6c8699;font-size:12px}.upload-heading{display:flex;align-items:center;justify-content:space-between;margin-top:3px}.upload-heading>span{font-size:11px;color:var(--muted);padding-top:8px}.upload-zone{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;padding:21px 12px;border:1px dashed #3e6479;border-radius:10px;margin:0;background:#0b2534;text-align:center;cursor:pointer}.upload-zone.dragging{border-color:var(--cyan);background:#153b45}.upload-zone img{width:38px;height:38px}.upload-zone strong{font-size:13px}.upload-zone span,.upload-zone small{font-weight:400;font-size:11px;color:var(--muted)}.upload-zone small{font-size:10px}.upload-zone input{position:absolute;width:1px;height:1px;opacity:0;inset:0}.upload-zone:focus-within{outline:2px solid var(--cyan)}.image-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}.image-item{position:relative;min-width:0}.image-item img{width:100%;aspect-ratio:1;object-fit:contain;background:#f3f5f6;border-radius:7px}.image-item p{font-size:9px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--muted);margin:3px 0}.remove-image{position:absolute;right:3px;top:3px;border:0;border-radius:50%;width:22px;height:22px;background:#06131ede;color:white;line-height:20px}.generation-note{color:#91bec7;margin:20px 0;font-size:11px;line-height:1.8}.primary{border:0;border-radius:8px;background:var(--cyan);color:#052329;padding:13px 19px;display:inline-flex;justify-content:center;align-items:center;gap:12px;font-size:13px;font-weight:700}.primary:hover{background:#87eeeb}.generate{width:100%}.generate:disabled{opacity:.65}.status{font-size:11px;color:var(--muted);line-height:1.8;margin:14px 0 0}.error{color:#ffc4b8;background:#612f343d;border:1px solid #9c58584d;padding:12px;border-radius:7px;font-size:12px;line-height:1.7;margin:12px 0 0}.preview-panel{min-height:744px}.preview-empty{text-align:center;padding:12px 0 42px}.empty-art{height:340px;display:flex;justify-content:center;align-items:center}.empty-art img{width:330px;max-width:90%;max-height:100%;object-fit:contain;mix-blend-mode:screen}.preview-empty h3{font-size:21px;margin:0 0 14px}.preview-empty p{font-size:13px;color:var(--muted);line-height:1.9}.empty-features{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:29px}.empty-features span{color:#a6becb;font-size:11px;border-bottom:1px solid #395567;padding-bottom:9px}.result-toolbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin:27px 0 15px}.result-toolbar strong{font-size:14px;overflow-wrap:anywhere}.result-toolbar p{font-size:11px;color:var(--muted);margin:7px 0 0}.viewport-controls{display:flex;flex-shrink:0;background:#071520;padding:3px;border:1px solid var(--line);border-radius:7px}.viewport-controls button{border:0;background:none;color:var(--muted);padding:6px 10px;font-size:11px;border-radius:4px}.viewport-controls button[aria-pressed=true]{background:#214451;color:#7ee8e1}.browser-frame{border:1px solid #385362;border-radius:10px;overflow:hidden}.browser-chrome{height:31px;display:flex;justify-content:space-between;padding:9px 12px;font-size:9px;color:#8aa3b4;background:#142b3a}.browser-chrome>span:first-child{letter-spacing:3px;color:#597483}.iframe-stage{display:flex;justify-content:center;background:#15232f;min-height:520px}iframe{display:block;border:0;width:100%;height:560px;background:white;transition:width .2s}.iframe-stage.mobile iframe{width:375px;max-width:100%}.result-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.secondary{border:1px solid #355365;border-radius:8px;padding:12px 18px;font-size:13px;color:#bcd1df}.secondary:hover{border-color:var(--cyan)}.result-note{font-size:11px;color:var(--muted);line-height:1.7}.history-section{margin-top:36px}.history-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:18px}.history-card{text-align:left;background:#0c2233;border:1px solid var(--line);padding:18px;color:#f2f7fa;border-radius:10px;min-width:0}.history-card:hover,.history-card[aria-current=true]{border-color:var(--cyan)}.history-card strong{display:block;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-card span{display:block;font-size:11px;color:#87cbc9;margin-top:10px}.history-card small{display:block;font-size:10px;color:var(--muted);margin-top:9px}footer{display:flex;justify-content:space-between;padding:31px 0;margin-top:42px;border-top:1px solid #203746;color:#688596;font-size:11px}
@media(min-width:1500px){.studio{grid-template-columns:430px minmax(0,1fr)}iframe{height:650px}}
@media(max-width:1000px){.topbar{padding:0 24px}main{padding:0 24px}.hero{gap:10px;min-height:320px}.hero h1{font-size:32px}.studio{grid-template-columns:340px minmax(0,1fr);gap:16px}.panel{padding:22px}.workflow{padding:20px 14px}.workflow>div{gap:9px}.workflow span{font-size:12px}.workflow img{width:38px}.result-toolbar{align-items:flex-start}.history-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.topbar{height:64px;padding:0 18px}.brand{font-size:12px;gap:8px}.brand-mark{width:27px;height:27px}.brand>span{margin:0 2px}main{padding:0 16px}.hero{grid-template-columns:1fr;padding:33px 5px 10px;gap:0}.hero h1{font-size:35px}.hero p{font-size:13px}.hero-art{max-height:240px;margin-top:9px}.workflow{gap:8px;padding:17px 10px;margin-bottom:20px}.workflow>div{flex-direction:column;text-align:center;gap:8px;flex:1}.workflow img{height:34px;width:34px}.workflow small{font-size:7px;letter-spacing:.6px}.workflow span{font-size:10px}.step-arrow{display:none}.studio{grid-template-columns:1fr}.panel{padding:23px}.preview-panel{min-height:0}.empty-art{height:255px}.preview-empty{padding-bottom:20px}.result-toolbar{gap:8px}.result-toolbar strong{font-size:12px}.history-section>.section-heading{align-items:flex-start;flex-direction:column}.history-section .section-note{margin:0}.history-grid{gap:10px}.history-card{padding:14px}.history-card span{font-size:10px}.section-heading h2{font-size:21px}footer{gap:15px;line-height:1.8;flex-direction:column}.result-actions a{flex:1;white-space:nowrap;font-size:12px;padding:12px}.hero-tags span{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}