:root{--primary: #0058bc;--primary-strong: #004493;--primary-soft: #d8e2ff;--surface: #faf8fe;--surface-low: #f4f3f8;--surface-card: #ffffff;--surface-line: #e3e2e7;--text: #1a1b1f;--muted: #5e6676;--muted-2: #8a91a0;--success: #0f7a45;--danger: #ba1a1a;--radius: 24px;--shadow: 0 24px 60px rgba(36, 45, 66, .08)}*{box-sizing:border-box}[hidden]{display:none!important}html{scroll-behavior:smooth}body{margin:0;background:var(--surface);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;height:68px;padding:0 clamp(20px,5vw,48px);background:#faf8fed1;border-bottom:1px solid rgba(26,27,31,.06);-webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px)}.brand,.nav,.hero-actions,.action-row,.tool-title,.footer,.topbar-actions,.language-switch{display:flex;align-items:center}.brand{gap:10px;font-size:22px;font-weight:750}.brand-mark{display:grid;width:34px;height:34px;place-items:center;border-radius:10px;background:var(--primary);color:#fff;font-size:18px}.nav{gap:28px;color:var(--muted);font-size:15px;font-weight:560}.nav a:hover{color:var(--primary)}.topbar-actions{gap:12px}.language-switch{gap:8px;color:var(--muted);font-size:13px;font-weight:800}.language-switch select{min-height:40px;padding:0 34px 0 13px;border:1px solid rgba(26,27,31,.08);border-radius:999px;background:#ffffffb8;color:var(--text);cursor:pointer;outline:none}.language-switch select:focus{border-color:var(--primary);box-shadow:0 0 0 4px #0058bc1a}.install-button,.primary-link,.run-button{border:0;border-radius:999px;background:var(--primary);color:#fff;cursor:pointer;font-weight:700;box-shadow:0 12px 30px #0058bc38}.install-button{padding:10px 22px}.install-guide{position:fixed;top:0;right:0;bottom:0;left:0;z-index:60;display:grid;align-items:start;justify-items:center;padding:calc(env(safe-area-inset-top,0px) + 78px) 16px 16px;background:#1a1b1f2e}.install-guide-card{width:min(420px,100%);padding:18px;border:1px solid rgba(26,27,31,.08);border-radius:22px;background:#fffffff5;box-shadow:0 20px 60px #242d422e}.install-guide-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.install-guide-title{color:var(--text);font-size:18px}.install-guide-close{display:grid;width:34px;height:34px;place-items:center;border:0;border-radius:50%;background:var(--surface-low);color:var(--text);cursor:pointer;font-size:24px;line-height:1}.install-guide-list{display:grid;gap:8px;margin:14px 0 0;padding-left:22px;color:var(--text)}.install-guide-note{margin:14px 0 0;padding:10px 12px;border-radius:14px;background:#f3f7ff;color:var(--muted);font-size:14px}main{width:min(1200px,calc(100% - 40px));margin:0 auto}.hero{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:56px;align-items:center;min-height:calc(100vh - 68px);padding:74px 0 46px}.eyebrow,.breadcrumb{margin:0 0 12px;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero h1{max-width:780px;margin:0;font-size:clamp(42px,7vw,76px);line-height:1.02;letter-spacing:0}.hero p{max-width:650px;margin:22px 0 0;color:var(--muted);font-size:20px}.hero-actions{gap:14px;margin-top:34px;flex-wrap:wrap}.primary-link,.secondary-link{padding:14px 24px}.secondary-link,.ghost-button{border:1px solid var(--surface-line);border-radius:999px;background:#ffffff9e;color:var(--text);cursor:pointer;font-weight:700}.hero-visual{display:flex;justify-content:flex-end}.visual-window{width:min(100%,430px);padding:18px;border:1px solid rgba(26,27,31,.08);border-radius:34px;background:linear-gradient(145deg,#fff,#f1f4fb);box-shadow:var(--shadow)}.window-bar{display:flex;gap:8px;margin-bottom:18px}.window-bar span{width:12px;height:12px;border-radius:50%;background:#f2745f}.window-bar span:nth-child(2){background:#f5c64f}.window-bar span:nth-child(3){background:#65c56f}.visual-drop{display:grid;min-height:250px;place-items:center;align-content:center;gap:8px;border:2px dashed #b9c5dc;border-radius:26px;background:radial-gradient(circle at 20% 20%,rgba(0,88,188,.18),transparent 28%),radial-gradient(circle at 80% 78%,rgba(198,79,0,.12),transparent 32%),#fff;color:var(--muted)}.visual-icon{display:grid;width:68px;height:68px;place-items:center;border-radius:20px;background:var(--primary-soft);color:var(--primary);font-size:36px;font-weight:700}.visual-drop strong{color:var(--text);font-size:24px}.visual-row{display:grid;grid-template-columns:1fr .7fr .5fr;gap:12px;margin:18px 0}.visual-row span,.visual-meter{height:42px;border-radius:14px;background:var(--surface-low)}.visual-meter{overflow:hidden}.visual-meter span{display:block;width:64%;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),#6fa7ff)}.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:36px 0 70px}.trust-grid article,.tool-picker,.tool-panel,.about{border:1px solid rgba(26,27,31,.06);background:#ffffffbd;box-shadow:0 8px 32px #242d420d}.trust-grid article{min-height:190px;padding:24px;border-radius:var(--radius)}.icon{display:grid;width:42px;height:42px;place-items:center;margin-bottom:18px;border-radius:14px;background:var(--primary-soft);color:var(--primary);font-size:23px}.trust-grid h2,.section-heading h2,.tool-title h2,.about h2{margin:0;font-size:30px;line-height:1.15}.trust-grid p,.about p,.tool-title p{color:var(--muted)}.tool-section{padding:28px 0 80px}.section-heading{margin-bottom:24px}.workspace{display:grid;grid-template-columns:310px minmax(0,1fr);gap:24px;align-items:start}.tool-picker,.tool-panel,.about{border-radius:30px}.tool-picker{position:sticky;top:92px;padding:20px}.tool-group+.tool-group{margin-top:26px}.tool-group h3{margin:0 0 12px;color:var(--muted-2);font-size:12px;letter-spacing:.08em;text-transform:uppercase}.tool-button{display:block;width:100%;min-height:42px;margin:6px 0;padding:10px 13px;border:0;border-radius:14px;background:transparent;color:var(--text);cursor:pointer;text-align:left;font-weight:650}.tool-button:hover,.tool-button.is-active{background:var(--primary-soft);color:var(--primary-strong)}.tool-panel{min-height:670px;padding:clamp(20px,4vw,34px)}.tool-title{justify-content:space-between;gap:18px;margin-bottom:24px}.tool-title h2{font-size:34px}.tool-title p{margin:10px 0 0}.local-badge{flex:0 0 auto;padding:8px 12px;border-radius:999px;background:#e7f5ee;color:var(--success);font-size:12px;font-weight:800}.drop-zone{position:relative;display:grid;min-height:260px;place-items:center;align-content:center;gap:9px;margin-bottom:22px;padding:24px;border:2px dashed #c1c6d7;border-radius:28px;background:#fff;cursor:pointer;text-align:center;transition:border-color .2s ease,background .2s ease,transform .2s ease}.drop-empty{display:grid;place-items:center;gap:9px}.drop-zone input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}.drop-zone.is-over{border-color:var(--primary);background:#f3f7ff;transform:translateY(-1px)}.drop-icon{display:grid;width:70px;height:70px;place-items:center;border-radius:22px;background:var(--primary-soft);color:var(--primary);font-size:42px;line-height:1}.drop-zone strong{font-size:23px}.drop-zone small,.status,.file-list,.result-list{color:var(--muted)}.compare-grid{display:grid;width:100%;min-width:0;gap:18px;text-align:left}.compare-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);width:100%;min-width:0;gap:16px}.compare-card{display:grid;gap:12px;min-width:0;padding:14px;border:1px solid rgba(26,27,31,.07);border-radius:22px;background:var(--surface-card);box-shadow:0 10px 28px #242d420d}.compare-card.is-ready{border-color:#0058bc2e;background:#f8fbff}.compare-head{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:32px;color:var(--muted);font-size:13px;font-weight:800}.compare-head a{border-radius:999px;background:var(--primary);color:#fff;padding:7px 12px;font-size:12px}.compare-image,.compare-preview,.compare-placeholder{width:100%;max-width:100%;min-width:0;aspect-ratio:4 / 3;border-radius:16px;background:var(--surface-low)}.compare-image{display:block;object-fit:contain}.compare-preview{display:block;min-height:260px;border:1px solid var(--surface-line)}.preview-stack{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;width:100%;max-height:520px;overflow:auto;padding-right:2px}.preview-stack .compare-image,.page-preview .compare-image{aspect-ratio:3 / 4}.page-preview{display:grid;gap:8px;min-width:0}.page-preview a{overflow:hidden;border-radius:999px;background:var(--primary);color:#fff;padding:7px 10px;text-align:center;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:800}.compare-placeholder{display:grid;place-items:center;border:1px dashed #c1c6d7;color:var(--muted);text-align:center;padding:18px;font-size:14px;font-weight:700}.compare-meta{min-width:0}.compare-meta strong{display:block;overflow:hidden;color:var(--text);text-overflow:ellipsis;white-space:nowrap}.compare-meta small{display:block;margin-top:3px;color:var(--muted)}.settings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-bottom:20px}.field,.field-wide{display:grid;gap:8px}.field.is-disabled{opacity:.52}.field-wide{grid-column:1 / -1}.field label,.field-wide label{font-size:13px;font-weight:800}.field input,.field select,.field-wide input,.field-wide select{width:100%;min-height:44px;border:1px solid transparent;border-radius:14px;background:var(--surface-low);color:var(--text);padding:10px 12px;outline:none}.field input[type=range]{-webkit-appearance:none;-moz-appearance:none;appearance:none;accent-color:var(--primary);min-height:28px;border:0;background:transparent;padding:0}.field input[type=range]::-webkit-slider-runnable-track{height:8px;border-radius:999px;background:#cbd3e2}.field input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;margin-top:-6px;border:3px solid #fff;border-radius:50%;background:var(--primary);box-shadow:0 3px 10px #0058bc47;cursor:pointer}.field input[type=range]::-moz-range-track{height:8px;border-radius:999px;background:#cbd3e2}.field input[type=range]::-moz-range-thumb{width:14px;height:14px;border:3px solid #fff;border-radius:50%;background:var(--primary);box-shadow:0 3px 10px #0058bc47;cursor:pointer}.field input:focus,.field select:focus,.field-wide input:focus,.field-wide select:focus{border-color:var(--primary);box-shadow:0 0 0 4px #0058bc1a}.checkbox-field{display:flex;align-items:center;gap:10px;min-height:44px;padding:10px 12px;border-radius:14px;background:var(--surface-low);font-weight:700}.checkbox-field input{width:18px;height:18px}.action-row{gap:12px;flex-wrap:wrap;margin-bottom:18px}.run-button{min-height:50px;padding:0 28px}.ghost-button{min-height:50px;padding:0 22px}.status{min-height:46px;padding:13px 15px;border-radius:16px;background:var(--surface-low);font-size:14px}.status.is-error{background:#ffebe9;color:var(--danger)}.status.is-success{background:#e7f5ee;color:var(--success)}.file-list,.result-list{display:grid;gap:10px;margin-top:16px}.file-group{display:grid;gap:10px;padding:12px;border:1px solid rgba(26,27,31,.06);border-radius:18px;background:#f8fafc}.file-group-output{background:#f7fbff;border-color:#0058bc1a}.file-group-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 2px;color:var(--muted);font-size:13px;font-weight:900}.file-group-head small{color:var(--muted-2);font-size:12px;font-weight:800}.file-group-body{display:grid;gap:10px}.file-item,.result-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:center;min-height:54px;padding:12px 14px;border:1px solid rgba(26,27,31,.06);border-radius:16px;background:#fff}.file-item strong,.result-item strong{display:block;overflow:hidden;color:var(--text);text-overflow:ellipsis;white-space:nowrap}.file-item small,.result-item small{color:var(--muted-2)}.result-item a,.mini-button{border:0;border-radius:999px;background:var(--primary);color:#fff;cursor:pointer;padding:8px 13px;font-size:13px;font-weight:800}.file-info-item{grid-template-columns:1fr}.file-info-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin:12px 0 0}.file-info-grid div{min-width:0;padding:10px;border-radius:12px;background:var(--surface-low)}.file-info-grid dt{margin-bottom:4px;color:var(--muted-2);font-size:12px;font-weight:800}.file-info-grid dd{margin:0;overflow-wrap:anywhere;color:var(--text);font-size:13px}.preview{display:block;max-width:100%;max-height:220px;margin-top:10px;border-radius:16px;object-fit:contain;background:var(--surface-low)}.text-preview{max-height:260px;margin:12px 0 0;overflow:auto;padding:12px;border-radius:12px;background:#111827;color:#f8fafc;font:12px/1.6 ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;white-space:pre-wrap}.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:38px;margin:20px 0 72px;padding:36px}.footer{justify-content:space-between;width:min(1200px,calc(100% - 40px));margin:0 auto;padding:30px 0 46px;color:var(--muted);font-size:14px}@media (max-width: 980px){.nav{display:none}.hero{grid-template-columns:1fr;min-height:auto}.hero-visual{justify-content:flex-start}.trust-grid{grid-template-columns:repeat(2,1fr)}.workspace,.about{grid-template-columns:1fr}.tool-picker{position:static}}@media (max-width: 620px){main,.footer{width:min(100% - 28px,1200px)}.topbar{height:auto;min-height:64px;padding:12px 14px;gap:10px}.brand{font-size:19px}.install-button{padding:9px 16px}.topbar-actions{gap:8px}.language-switch span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.language-switch select{min-height:38px;max-width:118px}.hero{padding-top:46px}.hero p{font-size:17px}.trust-grid,.settings,.compare-row{grid-template-columns:1fr}.tool-title{align-items:flex-start;flex-direction:column}.tool-title h2{font-size:29px}.file-item,.result-item,.file-info-grid{grid-template-columns:1fr}}