:root{--bg:#f5f7fa;--bg2:#ffffff;--ink:#17212b;--mut:#708499;--line:#e3e8ee;--acc:#ff6b2b;--acc-soft:#fff1e9;--ok:#31b545;--err:#e53935;--rad:18px;--shadow:0 1px 2px rgba(23,33,43,.05),0 8px 24px rgba(23,33,43,.07)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--acc)}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
header.top{display:flex;align-items:center;justify-content:space-between;padding:18px 0}
.logo{display:flex;gap:9px;align-items:center;font-weight:800;font-size:21px;color:var(--ink);text-decoration:none;letter-spacing:-.02em}
.logo b{color:var(--acc)}
.logo svg{width:30px;height:30px}
nav.top{display:flex;align-items:center}
nav.top a{color:var(--mut);text-decoration:none;margin-left:20px;font-size:14.5px;font-weight:500;transition:color .15s}
nav.top a:hover{color:var(--ink)}
select#langsel{background:var(--bg2);color:var(--ink);border:1px solid var(--line);border-radius:10px;padding:6px 10px;margin-left:20px;font-size:14px;cursor:pointer}
#hero{padding:30px 0 6px;text-align:center;transition:.3s}
#hero.collapsed{display:none}
#hero h1{font-size:clamp(28px,4.4vw,42px);line-height:1.14;margin:0 auto 12px;max-width:760px;letter-spacing:-.02em;font-weight:800}
#hero .promises{display:flex;flex-wrap:wrap;gap:8px 20px;color:var(--mut);font-size:14.5px;justify-content:center}
#hero .promises span{display:flex;gap:7px;align-items:center}
#hero .promises i{color:var(--ok);font-style:normal;font-weight:800}
#enginebar{margin:16px 0 0;background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:12px 16px;font-size:14px;color:var(--mut);box-shadow:var(--shadow)}
#enginebar.err{border-color:#f6c3c1;background:#fdf3f2;color:#b3261e}
#enginetrack{height:6px;background:var(--line);border-radius:4px;margin-top:9px;overflow:hidden}
#enginefill{height:100%;width:0;background:linear-gradient(90deg,var(--acc),#ff9a62);border-radius:4px;transition:width .25s}
#dropzone{margin:18px 0 14px;min-height:240px;border:2px dashed #cdd6e0;border-radius:var(--rad);display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;cursor:pointer;background:var(--bg2);transition:border-color .15s, transform .15s, box-shadow .15s;text-align:center;padding:26px;box-shadow:var(--shadow)}
#dropzone:hover{border-color:var(--acc)}
#dropzone.drag{border-color:var(--acc);border-style:solid;background:var(--acc-soft);transform:scale(1.008);box-shadow:0 0 0 5px rgba(255,107,43,.12)}
#dropzone .dt{font-size:22px;font-weight:750;letter-spacing:-.01em}
#dropzone .ds{color:var(--mut);font-size:14.5px}
#dropzone svg{width:54px;height:54px;color:var(--acc);background:var(--acc-soft);border-radius:16px;padding:12px;transition:transform .2s}
#dropzone.drag svg,#dropzone:hover svg{transform:translateY(-3px)}
.presets{background:var(--bg2);border:1px solid var(--line);border-radius:var(--rad);padding:16px 18px;margin:12px 0;box-shadow:var(--shadow)}
.presets h3{margin:0 0 12px;font-size:12.5px;color:var(--mut);text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.chip{display:inline-flex;align-items:center;gap:8px;background:var(--bg);border:1.5px solid var(--line);border-radius:999px;padding:8px 15px;font-size:14px;font-weight:550;cursor:pointer;user-select:none;transition:all .13s;color:#3a4a5c}
.chip:hover{border-color:#b9c4d0}
.chip input{accent-color:var(--acc);width:15px;height:15px}
.chip:has(input:checked){border-color:var(--acc);background:var(--acc-soft);color:#c2410c}
.padwrap{margin-left:auto;display:flex;gap:9px;align-items:center;color:var(--mut);font-size:14px;font-weight:550}
#padrange{accent-color:var(--acc)}
#customform{display:flex;gap:9px;margin-top:12px;align-items:center}
#customform input{width:96px;background:var(--bg);border:1.5px solid var(--line);color:var(--ink);border-radius:10px;padding:8px 11px;font-size:14px}
#customform input:focus{outline:none;border-color:var(--acc)}
#customform button{background:var(--acc);border:0;color:#fff;font-weight:700;border-radius:10px;padding:9px 17px;cursor:pointer;font-size:14px;transition:filter .15s}
#customform button:hover{filter:brightness(1.06)}
#grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:15px;margin:18px 0 120px}
.card{background:var(--bg2);border-radius:16px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .15s, box-shadow .15s;animation:pop .25s ease}
.card:hover{transform:translateY(-2px);box-shadow:0 2px 4px rgba(23,33,43,.06),0 14px 32px rgba(23,33,43,.11)}
@keyframes pop{from{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}
.ph{position:relative;aspect-ratio:1/1;background:#fff;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line)}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#fff}
.ph .before{clip-path:inset(0 100% 0 0)}
.baline{position:absolute;top:0;bottom:0;width:2px;background:var(--acc);left:0;pointer-events:none}
.ph.load{background:linear-gradient(110deg,#eef2f6 30%,#f7fafc 50%,#eef2f6 70%);background-size:200% 100%;animation:shimmer 1.4s infinite}
@keyframes shimmer{to{background-position:-200% 0}}
.ring{width:36px;height:36px;border-radius:50%;border:3.5px solid #dbe3ea;border-top-color:var(--acc);animation:spin .9s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.ph.err{background:#fdf3f2;color:var(--err);font-size:34px;font-weight:800}
.cname{padding:9px 12px 2px;font-size:12px;color:var(--mut);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-weight:550}
.cactions{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px 13px;font-size:12.5px;align-items:center}
.cactions button{background:var(--bg);border:1px solid var(--line);color:var(--ink);border-radius:9px;padding:6px 11px;cursor:pointer;font-size:12.5px;font-weight:600;transition:all .13s}
.cactions button:hover{border-color:#b9c4d0}
.cactions button.primary{background:var(--acc);border-color:var(--acc);color:#fff}
.cactions button.primary:hover{filter:brightness(1.06)}
.cactions .padmini{display:flex;gap:6px;align-items:center;color:var(--mut)}
.cactions .padmini input{width:66px;accent-color:var(--acc)}
.cactions.muted{color:var(--mut)}
#actionbar{position:fixed;left:0;right:0;bottom:14px;z-index:20;pointer-events:none}
#actionbar .wrap{display:flex;gap:13px;align-items:center;padding:12px 18px;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:18px;box-shadow:0 6px 30px rgba(23,33,43,.14);pointer-events:auto}
#zipbtn{background:var(--acc);color:#fff;font-weight:800;border:0;border-radius:12px;padding:13px 22px;font-size:15px;cursor:pointer;transition:filter .15s, transform .1s;letter-spacing:.01em}
#zipbtn:hover:not(:disabled){filter:brightness(1.06)}
#zipbtn:active:not(:disabled){transform:scale(.98)}
#zipbtn:disabled{opacity:.4;cursor:default}
#clearbtn{background:transparent;border:1px solid var(--line);color:var(--mut);border-radius:12px;padding:12px 17px;cursor:pointer;font-weight:600;font-size:14px;transition:all .13s}
#clearbtn:hover{color:var(--ink);border-color:#b9c4d0}
#statusline{color:var(--mut);font-size:13.5px;margin-left:auto;display:flex;gap:8px;align-items:center;font-weight:550}
#statusline svg{width:15px;height:15px;color:var(--ok);flex:none}
#toast{position:fixed;bottom:96px;left:50%;transform:translateX(-50%) translateY(16px);background:var(--ink);color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:30;max-width:90vw;box-shadow:0 8px 30px rgba(0,0,0,.25)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.steps{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin:6px 0 2px;color:var(--mut);font-size:14px}
.steps span{display:flex;align-items:center;gap:7px;background:var(--bg2);border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-weight:550}
.steps b{color:var(--acc)}
section.content{padding:30px 0;border-top:1px solid var(--line);margin-bottom:100px}
section.content h2{font-size:25px;letter-spacing:-.01em}
section.content h3{font-size:18px;margin-top:24px}
section.content p,section.content li{color:#3f4f61;font-size:15.5px}
footer.site{border-top:1px solid var(--line);padding:24px 0 110px;color:var(--mut);font-size:13.5px}
footer.site a{color:var(--mut);margin-right:16px}
@media(max-width:640px){.padwrap{margin-left:0;width:100%}#actionbar{bottom:8px}#actionbar .wrap{flex-wrap:wrap;gap:9px}#statusline{margin-left:0;width:100%}#hero h1{font-size:26px}}