body{display:flex;min-height:100vh;flex-direction:column}.main{flex:1;padding:58px 0 76px}.intro{max-width:910px;margin:0 auto 32px;text-align:center}.intro h1{margin:18px auto 14px;font-size:clamp(2.65rem,7vw,4.8rem)}.breadcrumbs{margin-bottom:18px;color:var(--muted);font-size:.82rem}.breadcrumbs a,.action{color:var(--primary);font-weight:800}.breadcrumbs span{margin:0 7px}
.simulator{max-width:1160px;margin:auto}.app-shell{overflow:hidden;border:1px solid var(--border);border-radius:30px;background:rgba(255,255,255,.95);box-shadow:var(--shadow)}.drop-zone{position:relative;display:grid;min-height:350px;place-items:center;padding:42px 22px;margin:12px;border:2px dashed rgba(108,92,231,.3);border-radius:22px;background:radial-gradient(circle at 48% 0,rgba(108,92,231,.16),transparent 48%),linear-gradient(145deg,#fdfcff,#f5f9ff);text-align:center;transition:.22s}.drop-zone:hover,.drop-zone.drag{border-color:var(--primary);background:radial-gradient(circle at 48% 0,rgba(108,92,231,.22),transparent 54%),#f7f4ff;transform:scale(.997)}.drop-zone input{position:absolute;width:1px;height:1px;opacity:0}.upload-art{position:relative;display:flex;width:96px;height:96px;align-items:center;justify-content:center;gap:5px;margin:0 auto 21px;border-radius:30px;background:#fff;box-shadow:0 20px 44px rgba(54,50,114,.2);animation:float 3s ease-in-out infinite}.upload-art:after{content:"";position:absolute;inset:10px;border:2px solid rgba(31,34,62,.08);border-radius:22px}.upload-art i{z-index:1;width:17px;height:48px;border-radius:99px;transform:rotate(18deg)}.upload-art i:nth-child(1){background:#ff5b77}.upload-art i:nth-child(2){background:#7e67ed}.upload-art i:nth-child(3){background:#22ccb1}.drop-zone h2{margin:0 0 9px;font-size:1.45rem}.drop-zone p{margin:0 0 22px;color:var(--muted)}.drop-actions{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}.demo-btn{min-height:44px;padding:0 17px;border:1px solid rgba(108,92,231,.2);border-radius:12px;color:var(--primary-dark);background:#fff;font-weight:850}.demo-btn:hover{background:#f1eeff}.drop-note{display:block;margin-top:15px;color:var(--muted);font-size:.78rem}
.workspace{display:none}.workspace.show{display:block}.workspace-head{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 22px;border-bottom:1px solid var(--border);background:#fcfbff}.file-info{display:flex;min-width:0;align-items:center;gap:12px}.thumb{width:52px;height:52px;flex:0 0 52px;border-radius:13px;object-fit:cover;background:#eceaf6}.file-copy{min-width:0}.file-copy strong,.file-copy span{display:block}.file-copy strong{overflow:hidden;max-width:390px;text-overflow:ellipsis;white-space:nowrap}.file-copy span{margin-top:3px;color:var(--muted);font-size:.76rem}.head-actions{display:flex;gap:9px}.change-btn,.secondary-btn{min-height:41px;padding:0 14px;border:1px solid var(--border);border-radius:11px;color:var(--text);background:#fff;font-weight:800}.secondary-btn{border-color:rgba(108,92,231,.18);color:var(--primary);background:rgba(108,92,231,.06)}
.work-grid{display:grid;grid-template-columns:284px minmax(0,1fr);min-height:570px}.controls{padding:22px;border-right:1px solid rgba(255,255,255,.08);color:#eef0ff;background:#20223a}.control{margin-bottom:25px}.control:last-child{margin-bottom:0}.control-label{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;color:#c7cbe0;font-size:.75rem;font-weight:850;letter-spacing:.04em}.control-label output{color:#75ead5}.select{width:100%;height:45px;padding:0 12px;border:1px solid rgba(255,255,255,.14);border-radius:11px;outline:0;color:#f8f9ff;background:#2a2d49;font-size:.84rem;font-weight:800}.select:focus{border-color:#65e6ce;box-shadow:0 0 0 3px rgba(101,230,206,.1)}.type-note{min-height:57px;margin:10px 0 0;color:#aeb4cc;font-size:.75rem;line-height:1.55}.range{width:100%;height:7px;accent-color:#65e6ce;cursor:pointer}.quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}.quick{min-height:88px;padding:10px 7px;border:1px solid rgba(255,255,255,.09);border-radius:12px;color:#dce0ef;background:rgba(255,255,255,.045);text-align:left;transition:.18s}.quick:hover{background:rgba(255,255,255,.09)}.quick.active{border-color:#65e6ce;background:rgba(101,230,206,.1);box-shadow:inset 0 0 0 1px rgba(101,230,206,.16)}.quick strong,.quick small{display:block}.quick strong{margin-top:7px;font-size:.76rem}.quick small{margin-top:2px;color:#959cb9;font-size:.65rem}.quick-dot{display:block;width:27px;height:8px;border-radius:99px}.quick-dot.duo{background:linear-gradient(90deg,#d3a742,#6b765f)}.quick-dot.warm{background:linear-gradient(90deg,#92813d,#587d83)}.quick-dot.cool{background:linear-gradient(90deg,#ef6a73,#72a7a8)}.quick-dot.mono{background:linear-gradient(90deg,#444,#bbb)}.tip{display:flex;gap:5px;flex-direction:column;padding:13px;border:1px solid rgba(101,230,206,.14);border-radius:12px;color:#aeb4cc;background:rgba(101,230,206,.06);font-size:.74rem;line-height:1.55}.tip strong{color:#75ead5}
.preview-panel{display:flex;min-width:0;flex-direction:column;background:#17182a}.preview-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 17px;border-bottom:1px solid rgba(255,255,255,.08);color:#eef0fb;background:#1c1e33}.preview-toolbar>div{display:flex;align-items:center;gap:9px;font-size:.79rem}.status-dot{width:8px;height:8px;border-radius:50%;background:#65e6ce;box-shadow:0 0 0 5px rgba(101,230,206,.09)}.download-btn{min-height:38px;padding:0 13px;border:1px solid #65e6ce;border-radius:10px;color:#17182a;background:#65e6ce;font-size:.75rem;font-weight:850}.comparison-wrap{display:grid;min-height:474px;flex:1;place-items:center;padding:25px;background:radial-gradient(circle at 72% 18%,rgba(108,92,231,.25),transparent 39%),#17182a}.comparison{position:relative;width:100%;max-height:510px;overflow:hidden;border-radius:15px;background:#0c0d16;box-shadow:0 22px 55px rgba(0,0,0,.25);isolation:isolate}.comparison canvas{display:block;width:100%;height:100%;object-fit:contain}.simulated-layer{position:absolute;inset:0;overflow:hidden;clip-path:inset(0 0 0 50%)}.simulated-layer canvas{position:absolute;inset:0}.compare-line{position:absolute;z-index:4;top:0;bottom:0;left:50%;width:2px;background:#fff;box-shadow:0 0 0 1px rgba(0,0,0,.18),0 0 18px rgba(0,0,0,.34);transform:translateX(-1px);pointer-events:none}.compare-line span{position:absolute;top:50%;left:50%;display:grid;width:42px;height:42px;place-items:center;border:3px solid #fff;border-radius:50%;color:#25263d;background:#fff;box-shadow:0 7px 24px rgba(0,0,0,.28);font-size:1.1rem;font-weight:900;transform:translate(-50%,-50%)}.compare-range{position:absolute;z-index:5;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize}.image-label{position:absolute;z-index:3;top:13px;padding:6px 9px;border:1px solid rgba(255,255,255,.26);border-radius:8px;color:#fff;background:rgba(16,17,29,.66);backdrop-filter:blur(8px);font-size:.67rem;font-weight:850;letter-spacing:.03em;pointer-events:none}.original-label{left:13px}.simulated-label{right:13px}.preview-footer{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 17px;border-top:1px solid rgba(255,255,255,.08);color:#989fbb;background:#1c1e33;font-size:.71rem;font-weight:750}.privacy{display:flex;justify-content:center;gap:8px;margin-top:17px;color:var(--muted);font-size:.82rem}.error{display:none;padding:13px 16px;border-top:1px solid #ffd6d6;color:#a23333;background:#fff4f4;text-align:center;font-size:.85rem}.error.show{display:block}
.all-views{display:none;padding:24px;border-top:1px solid var(--border);background:linear-gradient(135deg,#f7f5ff,#f1fbf9)}.all-views.show{display:block;animation:rise .32s ease}.all-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}.all-head h2{margin:7px 0 0;font-size:clamp(1.25rem,3vw,1.75rem)}.all-head button{min-height:38px;padding:0 13px;border:1px solid var(--border);border-radius:10px;background:#fff;font-weight:800}.wow-pill{display:inline-flex;padding:5px 9px;border-radius:99px;color:#fff;background:linear-gradient(135deg,var(--primary),#8471ed,var(--accent));font-size:.63rem;font-weight:900;letter-spacing:.1em}.view-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px}.view-card{overflow:hidden;border:1px solid var(--border);border-radius:16px;background:#fff;box-shadow:0 10px 25px rgba(30,32,57,.07)}.view-card canvas{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#17182a}.view-card div{padding:11px 12px}.view-card strong,.view-card span{display:block}.view-card strong{font-size:.78rem}.view-card span{margin-top:3px;color:var(--muted);font-size:.67rem}
.content-section{padding:70px 0}.content-section.alt{border-block:1px solid rgba(31,34,62,.06);background:rgba(255,255,255,.42)}.content{max-width:920px;margin:auto}.content h2{margin:0 0 14px;font-size:clamp(1.8rem,4vw,2.5rem)}.content>p,.info-card p,.step p,.meaning-grid p,.faq p{color:var(--muted);line-height:1.75}.info-grid,.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}.info-card,.step{padding:23px;border:1px solid var(--border);border-radius:20px;background:#fff}.info-card h3,.step h3{margin:0 0 8px;font-size:1rem}.info-card p,.step p{margin:0;font-size:.87rem}.step>span{display:grid;width:34px;height:34px;place-items:center;margin-bottom:15px;border-radius:11px;color:#fff;background:linear-gradient(135deg,var(--primary),#8e7af4);font-weight:900}.meaning-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:25px}.meaning-grid article{display:flex;gap:14px;padding:20px;border:1px solid var(--border);border-radius:18px;background:#fff}.meaning-grid h3{margin:0 0 6px;font-size:.94rem}.meaning-grid p{margin:0;font-size:.82rem}.meaning-mark{width:12px;min-width:12px;border-radius:99px}.meaning-mark.deutan{background:linear-gradient(#cda43f,#68735d)}.meaning-mark.protan{background:linear-gradient(#8b7d3e,#567a82)}.meaning-mark.tritan{background:linear-gradient(#ec6a72,#70a4a6)}.meaning-mark.achroma{background:linear-gradient(#444,#bbb)}.notice{padding:15px 17px;margin-top:16px!important;border-left:4px solid var(--accent);border-radius:4px 13px 13px 4px;background:rgba(0,194,168,.07);font-size:.84rem}.faq{display:grid;gap:12px;margin-top:25px}.faq details{overflow:hidden;border:1px solid var(--border);border-radius:16px;background:#fff}.faq summary{padding:18px 20px;cursor:pointer;font-weight:800}.faq p{margin:0;padding:0 20px 19px}.try-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:23px}.try-head h2{margin-bottom:7px}.try-head p{margin:0;color:var(--muted)}.try-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.try-card{display:flex;align-items:center;gap:13px;padding:17px;border:1px solid var(--border);border-radius:17px;color:var(--text);background:#fff;transition:.2s}.try-card:hover{border-color:rgba(108,92,231,.28);box-shadow:0 12px 28px rgba(31,34,62,.08);transform:translateY(-2px)}.try-icon{display:grid;width:47px;height:47px;flex:0 0 47px;place-items:center;border-radius:14px;color:var(--primary);background:rgba(108,92,231,.09);font-size:.7rem;font-weight:900}.try-card strong,.try-card small{display:block}.try-card strong{font-size:.84rem}.try-card small{margin-top:4px;color:var(--muted);font-size:.71rem;line-height:1.4}
@keyframes float{50%{transform:translateY(-6px) rotate(2deg)}}@keyframes rise{from{opacity:0;transform:translateY(-8px)}}
@media(max-width:900px){.work-grid{grid-template-columns:245px minmax(0,1fr)}.view-grid{grid-template-columns:1fr 1fr}.comparison-wrap{padding:18px}}
@media(max-width:760px){.workspace-head{align-items:flex-start;flex-direction:column}.head-actions{width:100%}.head-actions button{flex:1}.work-grid{grid-template-columns:1fr}.controls{border-right:0;border-bottom:1px solid rgba(255,255,255,.08)}.type-note{min-height:0}.quick-grid{grid-template-columns:repeat(4,1fr)}.comparison-wrap{min-height:380px}.info-grid,.steps,.try-grid{grid-template-columns:1fr}.meaning-grid{grid-template-columns:1fr}.try-head{align-items:flex-start;flex-direction:column}}
@media(max-width:560px){.main{padding:42px 0 54px}.drop-zone{min-height:310px;padding:30px 15px}.app-shell{border-radius:23px}.head-actions{display:grid;grid-template-columns:1fr}.quick-grid{grid-template-columns:1fr 1fr}.preview-toolbar{align-items:flex-start;flex-direction:column}.download-btn{width:100%}.comparison-wrap{min-height:300px;padding:12px}.preview-footer{align-items:flex-start;flex-direction:column}.all-views{padding:18px 13px}.all-head{align-items:flex-start;flex-direction:column}.view-grid{grid-template-columns:1fr 1fr;gap:9px}.content-section{padding:54px 0}.file-copy strong{max-width:220px}}
@media(prefers-reduced-motion:reduce){.upload-art{animation:none}.all-views.show{animation:none}}