:root{color-scheme:light;--bg:#f6f7fb;--paper:#fff;--text:#151923;--sub:#667085;--line:#e3e7ef;--blue:#4159da;--blueDark:#3347b6;--blueSoft:#edf1ff;--green:#16705c;--greenSoft:#e8f6f0;--orange:#99631e;--orangeSoft:#fff5de;--rad:20px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--bg);margin:0;color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}
button,textarea{font:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.55}a{color:inherit}.shell{max-width:765px;margin:0 auto;padding:22px 22px max(30px,env(safe-area-inset-bottom))}.header{padding:20px 0 33px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;letter-spacing:.2px;font-size:18px}.logo{height:34px;width:34px;background:#ecedff;border:1px solid #dce1ff;display:flex;align-items:center;justify-content:center;position:relative;border-radius:11px}.logo span{position:absolute;width:13px;height:18px;border-radius:3px;background:linear-gradient(135deg,#b1bfff,#586fed);border:1px solid #4e69ea;transform:translateX(-5px) rotate(-10deg)}.logo span:nth-child(2){transform:translateX(0) rotate(0deg);background:#8ea4ff}.logo span:nth-child(3){transform:translateX(5px) rotate(10deg);background:#4b64df}.brand-version{font-size:11px;font-weight:700;color:#717993;border-radius:99px;background:#e9edf5;padding:1px 7px;margin-left:1px}.header h1{font-size:clamp(32px,6vw,43px);font-weight:850;line-height:1.32;letter-spacing:-1.3px;margin:24px 0 12px}.header h1 em{font-style:normal;color:var(--blue)}.sub{color:var(--sub);font-size:14px;margin:0;max-width:610px}.input-box,.howto,.help{background:var(--paper);border:1px solid var(--line);box-shadow:0 5px 18px rgba(28,38,74,.025);border-radius:var(--rad)}.input-box{padding:24px}.input-head{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:10px}.input-head label{font-weight:780;font-size:15px}.tag{font-size:11px;color:var(--blue);border-radius:99px;padding:3px 9px;background:var(--blueSoft);white-space:nowrap}.input-box textarea{width:100%;border-radius:13px;resize:vertical;min-height:110px;max-height:260px;outline:none;border:1px solid #d8deea;padding:14px 14px;font-size:14px;line-height:1.6;color:var(--text);background:#fdfdff}.input-box textarea:focus{border-color:#6276df;box-shadow:0 0 0 3px #dce2ff}.input-box textarea::placeholder{color:#9ba4b6}.actions{display:grid;grid-template-columns:1fr 1.55fr;gap:10px;margin-top:12px}.actions button,.download-actions button{border-radius:12px;padding:13px 10px;font-size:14px;font-weight:780;border:1px solid transparent;transition:background .15s,transform .15s;touch-action:manipulation}.actions button:active,.download-actions button:active{transform:scale(.988)}.secondary{background:#eef1f7;color:#343f56;border-color:#e1e7f1!important}.secondary:hover{background:#e6eaf4}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--blueDark)}.status{font-size:13px;margin-top:10px;min-height:0;color:#4e5a71}.status:empty{display:none}.status.is-error{color:#b53234}.status.is-ok{color:var(--green)}.status.is-working:before{content:"";display:inline-block;vertical-align:-2px;border:2px solid #bac5ff;border-top-color:var(--blue);border-radius:100%;width:11px;height:11px;margin-right:7px;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hidden{display:none!important}.results{padding:28px 0 10px}.result-header{display:flex;flex-direction:column;align-items:start}.kind-badge{font-size:12px;color:var(--green);background:var(--greenSoft);border-radius:99px;padding:3px 10px;font-weight:750}.result-header h2{font-size:19px;line-height:1.45;margin:8px 0 6px;max-width:100%;overflow-wrap:anywhere}.result-header p{font-size:12px;color:var(--sub);margin:0 0 16px}.notice{border:1px solid #ffdc9e;background:var(--orangeSoft);color:var(--orange);padding:12px 14px;font-size:12.5px;line-height:1.6;border-radius:12px;margin-bottom:17px}.media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.media-card{overflow:hidden;background:var(--paper);border:1px solid var(--line);border-radius:17px;min-width:0}.visual{height:214px;background:linear-gradient(135deg,#e8ecf6,#e1e8f3);display:flex;justify-content:center;align-items:center;position:relative;overflow:hidden}.visual img,.visual video{max-width:100%;height:100%;width:100%;object-fit:contain;background:#e9edf5}.media-label{position:absolute;left:10px;top:10px;color:white;background:rgba(23,30,55,.78);backdrop-filter:blur(10px);font-size:11px;padding:4px 9px;border-radius:8px;font-weight:720}.card-body{padding:12px}.card-title{font-size:14px;font-weight:750;margin:0 0 3px}.card-sub{font-size:12px;color:var(--sub);margin:0 0 10px;min-height:36px}.download-actions{display:grid;gap:8px}.download-actions button{font-size:13px;padding:10px;border-radius:10px}.download-actions .smallbtn{border:1px solid #dee4ef;background:#f4f6fa;color:#42506a}.card-feedback{font-size:12px;line-height:1.6;min-height:0;margin:8px 0 0;color:#52617c;overflow-wrap:anywhere}.card-feedback:empty{display:none}.card-feedback.err{color:#b53234}.mini-preview{margin-top:10px;border-top:1px solid var(--line);padding-top:11px}.mini-preview img{max-width:100%;max-height:260px;display:block;margin:0 auto 7px;border-radius:8px}.mini-preview .generated{display:block;text-align:center;text-decoration:none;background:var(--greenSoft);color:var(--green);font-size:13px;font-weight:750;border-radius:9px;padding:9px}.hint{font-size:11.5px;color:var(--sub);padding-top:7px}.howto{padding:22px 24px;margin-top:25px}.small-title{font-size:14px;font-weight:800;margin-bottom:13px}.steps{display:grid;gap:12px}.steps>div{display:flex;align-items:start;gap:12px;font-size:13px;color:#414b5f}.steps b{font-size:12px;color:var(--blue);background:var(--blueSoft);padding:1px 7px;border-radius:7px}.help{margin-top:15px;padding:5px 20px}.help details{padding:14px 0;border-bottom:1px solid #edf0f6}.help details:last-child{border-bottom:0}.help summary{cursor:pointer;font-size:13px;font-weight:710;list-style:none;position:relative;padding-right:25px}.help summary::after{content:'+';position:absolute;right:3px;font-size:19px;top:-4px;color:#8590a4}.help details[open] summary:after{content:'−'}.help p{color:#667085;font-size:12px;margin:8px 0 2px}footer{color:#8590a2;font-size:11px;text-align:center;line-height:1.8;padding:17px 10px}footer p{margin:4px 0}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);width:max-content;max-width:90%;border-radius:11px;padding:10px 14px;background:#1d293c;color:#fff;font-size:12px;z-index:99;box-shadow:0 8px 30px #1113}
@media(min-width:720px){.shell{padding-top:35px}.media-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.header{padding-bottom:38px}.visual{height:230px}}@media(max-width:390px){.shell{padding:14px 13px 25px}.input-box{padding:15px}.header h1{font-size:30px}.media-grid{gap:10px}.card-body{padding:10px}.visual{height:170px}.card-sub{font-size:11px}.tag{font-size:10px}.actions{grid-template-columns:1fr 1.4fr}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}