@font-face{font-family:'DM Sans';src:url('assets/DM-Sans.ttf') format('truetype');font-weight:100 1000;font-display:swap}

/* tokens: taken from the workbench (web/styles.css) */
:root{
  --ground:#f9fafb;--surface:#fff;--raised:#f3f4f6;--active:#e9edf1;--border:#e5e7eb;--control:#7d8793;
  --text:#18212c;--muted:#596370;--primary:#20262d;
  --accent:#245d9f;--accent-soft:#edf4fb;--accent-track:#d5e5f6;--accent-ink:#214d7e;
  --positive:#276546;--positive-soft:#edf7f1;--warning:#805317;--warning-soft:#fdf6ea;
  --field-2:#dde3ea;
  --reader:#171b1e;--reader-line:#343a40;--reader-control:#555e68;
  --radius-card:8px;--radius-control:6px;
  --font:'DM Sans','PingFang SC','Noto Sans CJK SC','Microsoft YaHei',sans-serif;
  --m:clamp(16px,2.2vw,32px);
  --s1:13px;--s2:16px;--s3:24px;--s4:40px;--s5:clamp(56px,7vw,112px);
  --ease:cubic-bezier(.16,1,.3,1);
  --page-ratio:2000/2838;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scrollbar-color:var(--control) var(--raised)}
body{margin:0;background:var(--ground);color:var(--text);font:400 var(--s2)/1.6 var(--font);text-rendering:optimizeLegibility}
::selection{background:var(--accent-track);color:var(--text)}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-weight:650;letter-spacing:-.02em;text-wrap:balance}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.skip{position:absolute;left:12px;top:-60px;z-index:60;background:var(--primary);color:#fff;padding:10px 14px;border-radius:var(--radius-control)}
.skip:focus{top:12px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
svg.i{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}

/* controls (workbench .button) */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:9px 16px;border:1px solid var(--primary);border-radius:var(--radius-control);background:var(--primary);color:#fff;text-decoration:none;font-size:14px;font-weight:550;line-height:1.4;white-space:nowrap;cursor:pointer;transition:background .16s ease,transform .16s ease}
.btn:hover{background:#343c45}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:var(--surface);color:var(--text);border-color:var(--control)}
.btn.ghost:hover{background:var(--raised)}
.btn.light{background:#fff;color:var(--accent-ink);border-color:#fff}
.btn.light:hover{background:var(--accent-soft)}
.link{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:var(--accent);font-size:15px;font-weight:550;text-decoration:none}
.link:hover{color:var(--accent-ink);text-decoration:underline;text-underline-offset:4px}

/* top: wordmark and one link, no bar */
.top{position:absolute;inset:0 0 auto;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:20px var(--m)}
.wordmark{display:inline-flex;align-items:center;gap:8px;min-height:44px;text-decoration:none;font-size:var(--s2);font-weight:650;letter-spacing:-.02em}
.wordmark svg{width:20px;height:20px;color:var(--accent)}
.top nav{display:flex;gap:8px}
.top nav a{display:inline-flex;align-items:center;min-height:44px;padding:0 10px;font-size:15px;text-decoration:none;color:var(--muted);border-radius:var(--radius-control)}
.top nav a:hover{color:var(--text);background:var(--raised)}
.top nav a[aria-current=page]{color:var(--text)}

/* hero: two tones meeting at 50% */
.hero{display:grid;grid-template-columns:1fr 1fr;min-height:max(640px,100svh)}
.hero-copy{display:flex;flex-direction:column;justify-content:flex-end;gap:16px;padding:120px var(--m) 48px;background:var(--ground)}
.hero-copy h1{font-size:var(--s4);line-height:1.2;max-width:15em}
.hero-copy p{font-size:17px;color:var(--muted);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:16px}
.hero-stage{display:grid;place-items:center;padding:96px var(--m) 48px;background:var(--active)}
.line{display:block;overflow:hidden;padding-bottom:.08em}
.line > span{display:block}

/* compare fragment (data-ui) */
.compare{width:min(460px,calc((100svh - 240px) * .705),100%);display:flex;flex-direction:column;gap:12px}
.cmp-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:var(--s1);color:var(--muted)}
.cmp-bar b{font-weight:550;color:var(--text)}
.cmp-read{font-variant-numeric:tabular-nums;white-space:nowrap}
.cmp-frame{--pos:0%;position:relative;aspect-ratio:var(--page-ratio);background:#fff;container-type:inline-size;border:1px solid var(--border);touch-action:pan-y;user-select:none;overflow:hidden}
.cmp-frame .typeset{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--pos)) 0 0)}
.cmp-frame .typeset img,.ms-img{width:100%;height:100%;object-fit:cover}
.cmp-frame .ms-img{position:absolute;inset:0}
.cmp-handle{position:absolute;top:0;bottom:0;left:var(--pos);width:2px;margin-left:-1px;background:var(--accent);pointer-events:none}
.cmp-handle::after{content:"";position:absolute;top:50%;left:50%;width:32px;height:32px;transform:translate(-50%,-50%);border-radius:50%;background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 7l-5 5 5 5M15 7l5 5-5 5'/%3E%3C/svg%3E") center/16px no-repeat;box-shadow:0 0 0 3px #fff} /* taste-skill-ignore: inside a data-ui fragment or an open dialog */
.cmp-range{position:absolute;inset:0;width:100%;height:100%;margin:0;opacity:0;cursor:ew-resize;z-index:3}
.cmp-range:focus-visible ~ .cmp-handle::after{box-shadow:0 0 0 3px #fff,0 0 0 5px var(--accent)} /* taste-skill-ignore: inside a data-ui fragment or an open dialog */
.cmp-tag{position:absolute;top:8px;z-index:2;padding:3px 8px;border-radius:4px;font-size:12px;font-weight:500;pointer-events:none}
.cmp-tag.l{left:8px;background:var(--accent);color:#fff}
.cmp-tag.r{right:8px;background:var(--raised);color:var(--muted)}
.seg{display:inline-flex;align-self:flex-start;padding:3px;gap:3px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card)}
.seg button{min-height:38px;padding:0 14px;border:0;border-radius:var(--radius-control);background:transparent;font-size:14px;font-weight:550;color:var(--muted);cursor:pointer;transition:background .16s ease,color .16s ease}
.seg button:hover{color:var(--text)}
.seg button[aria-pressed=true]{background:var(--accent-soft);color:var(--accent-ink)}

/* section frame */
.sec{padding:clamp(96px,11vw,176px) var(--m)}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--m)}
.sec-title{font-size:var(--s4);line-height:1.2}
.lede{font-size:var(--s2);color:var(--muted);max-width:34em}

/* showcase: output index + live sheet */
.show{padding-bottom:0}
.index{grid-column:1/6;align-self:start;position:sticky;top:48px;display:flex;flex-direction:column;gap:24px;padding-bottom:48px}
.index h2{font-size:var(--s3);line-height:1.3}
.names{display:flex;flex-direction:column;align-items:flex-start;gap:4px;margin:0;padding:0;list-style:none}
.names button{display:inline-flex;align-items:baseline;gap:12px;min-height:44px;padding:2px 0;border:0;background:none;font-size:var(--s4);font-weight:650;letter-spacing:-.02em;line-height:1.15;color:var(--control);text-align:left;cursor:pointer;transition:color .2s ease}
.names button small{font-size:var(--s1);font-weight:500;letter-spacing:0;color:var(--muted)}
.names button:hover{color:var(--muted)}
.names button[aria-pressed=true]{color:var(--text)}
.stage{grid-column:7/13;position:relative;height:88svh;min-height:620px;background:var(--active);overflow:hidden;touch-action:pan-y}
.sheet{position:absolute;left:64px;top:72px;width:min(560px,calc(100% - 128px));padding:0;border:0;background:#fff;cursor:zoom-in;transition:opacity .2s ease}
.sheet img{width:100%}
.stage.swapping .sheet{opacity:0}
.pager{position:absolute;right:16px;top:16px;z-index:2;display:flex;align-items:center;gap:8px;padding:4px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);font-size:var(--s1)}
.pager button{display:grid;place-items:center;width:44px;height:40px;border:0;border-radius:var(--radius-control);background:transparent;cursor:pointer;color:var(--text)}
.pager button:hover:not(:disabled){background:var(--raised)}
.pager button:disabled{color:#b3bac2;cursor:default}
.pager span{min-width:7.5em;text-align:center;font-variant-numeric:tabular-nums;color:var(--muted)}
.zoom{padding:0;border:0;max-width:none;max-height:none;width:100vw;height:100vh;background:var(--reader);color:#f4f6f8}
.zoom::backdrop{background:var(--reader)}
.zoom-in{height:100%;overflow:auto;display:flex;justify-content:center;padding:72px 16px 32px}
.zoom img{width:min(100%,960px);height:auto;align-self:flex-start;background:#fff}
.zoom .btn{position:fixed;top:14px;right:16px;background:transparent;border-color:var(--reader-control)}

/* how it works: one card, four fields */
.strip{display:grid;grid-template-columns:repeat(4,1fr)}
.field{position:relative;min-height:84svh;padding:28px;display:flex;flex-direction:column}
.field:nth-child(1){background:var(--raised)}
.field:nth-child(2){background:var(--field-2)}
.field:nth-child(3){background:var(--accent-soft)}
.field:nth-child(4){background:var(--primary);color:#fff}
.field h2{font-size:var(--s3);font-weight:750;line-height:1.3}
.field .card{position:absolute;left:50%;top:38%;width:min(260px,calc(100% - 40px));transform:translateX(-50%);transition:transform .15s ease}
.field:hover .card{transform:translate(-50%,-6px)}
.field .clause{margin-top:auto;font-size:var(--s3);line-height:1.35;font-weight:550;max-width:10em}
.card{background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-card);font-size:var(--s1);line-height:1.5;overflow:hidden}
.card-h{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 12px;border-bottom:1px solid var(--border);font-weight:600}
.card-r{display:flex;justify-content:space-between;gap:10px;padding:8px 12px;border-bottom:1px solid #f2f2f2}
.card-r:last-child{border-bottom:0}
.card-r span:first-child{color:var(--muted)}
.card-thumb{display:flex;gap:10px;padding:12px;align-items:center}
.card-thumb img{width:56px;border:1px solid var(--border)}
.badge{display:inline-flex;align-items:center;min-height:22px;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500;background:var(--raised);color:var(--muted);white-space:nowrap}
.badge.blue{background:var(--accent-soft);color:var(--accent-ink)}
.badge.green{background:var(--positive-soft);color:var(--positive)}
.badge.amber{background:var(--warning-soft);color:var(--warning)}
.tick{display:flex;align-items:center;gap:8px}
.tick::before{content:"";width:14px;height:14px;flex:none;border-radius:3px;border:1px solid var(--control);background:#fff}
.tick.on::before{border-color:var(--accent);background:var(--accent) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='white' stroke-width='2.2'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5'/%3E%3C/svg%3E") center/12px no-repeat}

/* comparison set as text */
.compare-set h2{grid-column:1/-1;margin-bottom:48px}
.tbl{grid-column:1/-1;position:relative;display:grid;grid-template-columns:5fr repeat(3,minmax(0,2.33fr));column-gap:0}
.tbl > div{display:contents}
.tbl .c{display:flex;align-items:center;min-height:68px;padding:12px 16px;font-size:17px;position:relative;z-index:1}
.tbl .c.k{font-size:var(--s3);font-weight:550;letter-spacing:-.01em;padding-left:0}
.tbl .r:nth-child(even) .c{background:var(--raised)}
.tbl .head .c{font-weight:700;font-size:17px;min-height:56px}
.tbl .feat{color:#fff}
.tbl .r .c.feat{background:var(--primary)!important}
.tbl .head .c.feat::before{content:"";position:absolute;left:0;right:0;top:-24px;height:24px;background:var(--primary)}

/* closing: the first screen, already open */
.cta{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--m);min-height:90svh;padding:40px var(--m);background:var(--accent);color:#fff}
.cta-copy{grid-column:1/6;align-self:end;display:flex;flex-direction:column;gap:20px}
.cta-copy h2{font-size:var(--s5);line-height:1.04;letter-spacing:-.03em}
.cta-copy p{font-size:17px;color:#dbe7f5;max-width:26em}
.dlg{grid-column:7/12;align-self:center;width:100%;max-width:440px;background:var(--surface);color:var(--text);border-radius:var(--radius-card)}
.dlg-h{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;border-bottom:1px solid var(--border)}
.dlg-h h3{font-size:18px;letter-spacing:0}
.dlg-b{display:flex;flex-direction:column;gap:18px;padding:20px}
.fld{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:550}
.fld input{caret-color:var(--accent);min-height:44px;padding:9px 12px;border:1px solid var(--control);border-radius:var(--radius-control);font-weight:400;font-size:15px;background:#fff}
.fld input:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
.fld small{font-weight:400;font-size:var(--s1);color:var(--muted)}
.dlg .seg{align-self:stretch;display:grid;grid-template-columns:1fr 1fr;background:var(--raised);border:0}
.dlg .seg button[aria-pressed=true]{background:#fff;color:var(--text);outline:1px solid var(--border)}
.dlg-cover{display:flex;align-items:center;gap:12px;font-size:var(--s1);color:var(--muted)}
.dlg-cover img{width:44px;border:1px solid var(--border)}
.dlg-f{display:flex;justify-content:flex-end;gap:8px;padding:16px 20px;border-top:1px solid var(--border);background:var(--ground);border-radius:0 0 var(--radius-card) var(--radius-card)}

/* footer of tiles */
.tiles{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:8px;padding:8px}
.tile{display:flex;flex-direction:column;padding:24px;min-height:220px;background:var(--raised);text-decoration:none}
.tile.say{grid-column:1/6}
.tile.say p{font-size:var(--s3);line-height:1.35;font-weight:550;letter-spacing:-.01em;max-width:14em}
.tile.say small{margin-top:auto;font-size:var(--s1);color:var(--muted)}
.tile.nav{grid-column:6/10;background:var(--active)}
.tile.nav ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column}
.tile.nav a{display:inline-flex;align-items:center;min-height:36px;text-decoration:none}
.tile.nav a:hover{color:var(--accent)}
.tile.state{grid-column:10/13}
.tile.state b{font-weight:600}
.tile.state p{margin-top:auto;font-size:var(--s1);color:var(--muted)}
.tile.mark{grid-column:1/9;min-height:320px;background:var(--primary);color:#fff;justify-content:center;align-items:center}
.tile.mark span{font-size:clamp(48px,9vw,148px);font-weight:700;letter-spacing:-.04em;line-height:1}
.tile.go{grid-column:9/13;min-height:320px;background:var(--accent);color:#fff;transition:background .2s ease}
.tile.go:hover{background:var(--accent-ink)}
.tile.go strong{font-size:28px;font-weight:650;line-height:1.25;letter-spacing:-.02em}
.tile.go svg{margin-top:auto;align-self:flex-end;width:56px;height:56px;fill:none;stroke:#fff;stroke-width:4;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s var(--ease)}
.tile.go:hover svg{transform:translate(4px,-4px)}
/* policy row under the tiles: pricing, policies and contact are reachable from every page */
.legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding:12px var(--m) 24px;font-size:var(--s1);color:var(--muted)}
.legal ul{display:flex;flex-wrap:wrap;gap:4px 20px;margin:0;padding:0;list-style:none}
.legal a{display:inline-flex;align-items:center;min-height:36px;text-decoration:none}
.legal a:hover{color:var(--text);text-decoration:underline;text-underline-offset:4px}

/* document pages (pricing and policies): solid header, one reading column */
.top.solid{position:static;border-bottom:1px solid var(--border);background:var(--surface)}
.doc{max-width:760px;margin:0 auto;padding:56px var(--m) 80px}
.doc h1{font-size:var(--s4);line-height:1.2}
.doc .updated{margin-top:12px;font-size:var(--s1);color:var(--muted)}
.doc h2{margin:40px 0 12px;font-size:20px;line-height:1.4}
.doc h3{margin:24px 0 8px;font-size:16px}
.doc p,.doc li{color:var(--text);line-height:1.7}
.doc p+p{margin-top:12px}
.doc ul{margin:12px 0;padding-left:22px}.doc li+li{margin-top:6px}
.doc a{color:var(--accent);text-underline-offset:4px}
.doc a:hover{color:var(--accent-ink)}
.doc table{width:100%;border-collapse:collapse;margin:16px 0;font-size:15px}
.doc th{text-align:left;font-weight:600;color:var(--muted);font-size:var(--s1);padding:10px 12px 10px 0;border-bottom:1px solid var(--border)}
.doc td{vertical-align:top;padding:12px 12px 12px 0;border-bottom:1px solid var(--border)}
.doc .toc{margin:24px 0 0;padding:16px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);list-style:none}
.doc .toc li+li{margin-top:2px}.doc .toc a{display:inline-flex;min-height:32px;align-items:center}
.notice{display:flex;gap:10px;margin-top:24px;padding:16px;border-radius:var(--radius-control);background:var(--warning-soft);color:var(--warning);font-size:15px;line-height:1.6}
.notice svg{flex:none;width:18px;height:18px;margin-top:3px}
.notice.info{background:var(--accent-soft);color:var(--accent-ink)}

/* pricing */
.doc.wide{max-width:1120px}
.plans{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:32px}
.plan{display:flex;flex-direction:column;gap:16px;padding:24px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card)}
.plan.feat{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.plan-h{display:flex;align-items:center;justify-content:space-between;gap:12px}
.plan-h h2{margin:0;font-size:18px}
.price{display:flex;align-items:baseline;gap:6px}
.price b{font-size:40px;font-weight:650;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.price span{color:var(--muted);font-size:15px}
.plan .who{color:var(--muted);font-size:15px}
.plan ul{margin:0;padding:0;list-style:none;display:grid;gap:10px;font-size:15px}
.plan li{display:flex;gap:10px}
.plan li svg{flex:none;width:18px;height:18px;margin-top:3px;color:var(--positive)}
.plan .btn{margin-top:auto;width:100%}
.doc .fine{margin-top:16px;font-size:var(--s1);color:var(--muted)}
@media (max-width:1100px){.plans{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.plans{grid-template-columns:1fr}}

/* product page */
.p-ui{width:min(520px,100%)}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);font-size:14px;line-height:1.5;overflow:hidden}
.panel-h{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border);font-weight:600}
.panel-h span{font-weight:400;font-size:var(--s1);color:var(--muted)}
.art{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;width:100%;min-height:64px;padding:12px 16px;border:0;border-bottom:1px solid var(--border);background:#fff;text-align:left;cursor:pointer}
.art:hover{background:var(--ground)}
.art[aria-pressed=true]{background:var(--accent-soft)}
.art b{display:block;font-weight:600}
.art small{display:block;color:var(--muted);font-size:var(--s1)}
.art .grip{color:#a3abb4}
.art-detail{padding:16px;display:flex;flex-direction:column;gap:12px;background:var(--ground)}
.art-detail .q{font-size:14px}
.art-detail .acts{display:flex;flex-wrap:wrap;gap:8px}
.art-detail .acts .btn{min-height:40px;padding:6px 12px;font-size:13px}
.art-detail dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0;font-size:14px}
.art-detail dt{color:var(--muted)}
.art-detail dd{margin:0}
.rows{display:flex;flex-direction:column;gap:clamp(96px,10vw,160px)}
.row{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--m);align-items:center}
.row-say{grid-column:1/6;display:flex;flex-direction:column;gap:16px}
.row-say h2{font-size:var(--s4);line-height:1.2}
.row-say p{max-width:30em}
.row-say ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:8px}
.row-say li{display:flex;gap:10px}
.row-say li::before{content:"";flex:none;width:6px;height:6px;margin-top:.7em;border-radius:50%;background:var(--accent)}
.row-show{grid-column:7/13}
.row-show.narrow{grid-column:8/12}
.tabs{display:inline-flex;gap:4px;padding:4px;margin-bottom:16px;background:var(--raised);border-radius:var(--radius-card)}
.tabs button{min-height:40px;padding:0 16px;border:0;border-radius:var(--radius-control);background:transparent;font-size:14px;font-weight:550;color:var(--muted);cursor:pointer}
.tabs button[aria-selected=true]{background:#fff;color:var(--text);outline:1px solid var(--border)}
.pair{display:grid;grid-template-columns:1fr 32px 1fr;align-items:center;gap:8px;padding:24px;background:var(--active)}
.pair figure{margin:0}
.pair figcaption{margin-top:10px;font-size:var(--s1);color:var(--muted);text-align:center}
.pair .arr{color:var(--accent);display:grid;place-items:center}
.mini{position:relative;aspect-ratio:var(--page-ratio);background:#fff;container-type:inline-size;border:1px solid var(--border);overflow:hidden}
.mini > img{width:100%;height:100%;object-fit:cover}
.pdfv{position:relative;aspect-ratio:var(--page-ratio);background:#525659;padding:15% 9% 6%;container-type:inline-size}
.pdfv::before{content:attr(data-file);position:absolute;left:0;right:0;top:0;height:9%;display:flex;align-items:center;padding:0 5%;background:#323639;color:#e8eaed;font:500 11px/1 var(--font);white-space:nowrap;overflow:hidden}
.pdfv img{width:100%}
.webr{position:relative;aspect-ratio:var(--page-ratio);background:var(--reader);container-type:inline-size;overflow:hidden}
.webr img{position:absolute;left:33cqw;top:6cqw;width:62cqw}
.webr ol{position:absolute;left:0;top:0;bottom:0;width:30cqw;margin:0;padding:6cqw 2.5cqw;list-style:none;background:#22272b;color:#c3c9cf;font-size:3.1cqw;line-height:1.35}
.webr li{padding:2.2cqw 2cqw;border-radius:1.5cqw}
.webr li.on{background:#f4f6f8;color:var(--text)}
.limits{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;margin:16px 0 0;padding:0;list-style:none;font-size:15px}
.limits b{display:block;font-weight:600}
.limits span{color:var(--muted)}
.toc-crop{height:440px;overflow:hidden;background:var(--active);padding:40px 48px 0}
.toc-crop img{width:100%;max-width:420px;border:1px solid var(--border)}
.pin{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--m)}
.pin-say{grid-column:1/6}
.pin-say h2{font-size:var(--s4);line-height:1.2;margin-bottom:24px}
.pin-step{min-height:60svh;display:flex;flex-direction:column;justify-content:center;gap:12px;opacity:.4;transition:opacity .3s ease}
.pin-step.on{opacity:1}
.pin-step h3{font-size:var(--s3);line-height:1.3}
.pin-step p{color:var(--muted);max-width:28em}
.pin-show{grid-column:7/13;position:sticky;top:calc(50svh - 170px);align-self:start;margin-top:12svh}
.ver{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--border);transition:background .3s ease}
.ver:last-of-type{border-bottom:0}
.ver div{display:flex;flex-direction:column}
.ver small{font-size:var(--s1);color:var(--muted)}
.ver .badge{margin-left:auto}
.ver.hl{background:var(--accent-soft)}
.panel-f{display:flex;flex-wrap:wrap;gap:8px;padding:14px 16px;border-top:1px solid var(--border);background:var(--ground)}
.panel-f .btn{min-height:40px;padding:6px 14px;font-size:13px}
.mobile-read{display:grid;grid-template-columns:1fr;max-width:340px;background:#eef0f2;border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden;font-size:14px}
.mobile-read .mr-h{display:flex;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid var(--border)}
.mobile-read .mr-h b{font-weight:600}
.mobile-read img{width:86%;margin:16px auto}
.mobile-read .mr-toc{background:#fff;border-top:1px solid var(--border);padding:8px 0}
.mobile-read .mr-toc b{display:block;padding:6px 16px;font-size:var(--s1);color:var(--muted);font-weight:550}
.mobile-read .mr-toc div{display:flex;justify-content:space-between;padding:10px 16px}
.mobile-read .mr-toc div.on{color:var(--accent-ink);font-weight:600;background:var(--accent-soft)}
.faq{grid-column:1/-1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:var(--m)}
.faq h2{grid-column:1/6}
.faq-list{grid-column:7/13;display:flex;flex-direction:column;gap:8px}
.faq details{background:var(--raised);border-radius:var(--radius-card)}
.faq details[open]{background:var(--active)}
.faq summary{display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:60px;padding:12px 20px;font-size:17px;font-weight:600;cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary svg{transition:transform .2s ease}
.faq details[open] summary svg{transform:rotate(45deg)}
.faq details p{padding:0 20px 20px;color:var(--muted);max-width:40em}

/* motion */
@media (prefers-reduced-motion:no-preference){
  .js .line > span{transform:translateY(105%);transition:transform .9s var(--ease)}
  .js .loaded .line > span{transform:none}
  .js .loaded .line:nth-child(2) > span{transition-delay:.11s}
  .js .after{opacity:0;transform:translateY(12px);transition:opacity .6s ease .45s,transform .6s var(--ease) .45s}
  .js .loaded .after{opacity:1;transform:none}
  .js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .8s var(--ease);transition-delay:var(--d,0ms)}
  .js .rv.in{opacity:1;transform:none}
  .js .hero-stage .compare{animation:drift 14s ease-in-out infinite alternate}
}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(-6px)}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}

/* tablet */
@media (max-width:1100px){
  .index{grid-column:1/-1;position:static;padding-bottom:32px}
  .names{flex-direction:row;flex-wrap:wrap;gap:4px 20px}
  .names button{font-size:var(--s3)}
  .stage{grid-column:1/-1;height:80svh}
  .strip{grid-template-columns:1fr 1fr}
  .field{min-height:64svh}
  .tbl{grid-template-columns:3fr repeat(3,minmax(0,2fr))}
  .tbl .c.k{font-size:18px}
  .tbl .c{font-size:15px}
  .cta-copy{grid-column:1/-1;align-self:start;margin-bottom:40px}
  .dlg{grid-column:1/-1;justify-self:start}
  .tile.say{grid-column:1/8}.tile.nav{grid-column:8/13}.tile.state{grid-column:1/-1;min-height:140px}
  .tile.mark{grid-column:1/-1;min-height:220px}.tile.go{grid-column:1/-1;min-height:200px}
  .row-say,.row-show,.row-show.narrow,.pin-say,.faq h2,.faq-list{grid-column:1/-1}
  .row-show{margin-top:32px}
  .pin-show{grid-column:1/-1;position:static;margin:0 0 24px;order:-1}
  .pin-step{min-height:0;opacity:1;padding:16px 0}
  .faq h2{margin-bottom:24px}
}
@media (max-width:1100px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-stage{order:-1;min-height:58svh;padding:84px var(--m) 32px}
  .compare{width:min(78vw,460px)}
  .hero-copy{padding:40px var(--m) 64px;justify-content:flex-start}
}
/* phone */
@media (max-width:760px){
  .hero-copy{padding:32px 20px 48px}
  .hero-copy h1{font-size:26px}
  .top nav{gap:2px}.top nav a{padding:0 6px;font-size:14px}.top nav a.opt{display:none}
  .sec{padding:80px 16px}
  .index h2{font-size:20px}
  .names{flex-wrap:wrap;gap:0 16px}
  .names button{font-size:20px;color:var(--muted)}
  .names button[aria-pressed=true]{color:var(--text);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:6px}
  .names button small{display:none}
  .stage{height:auto;min-height:0;aspect-ratio:auto;padding:68px 16px 0;max-height:none}
  .sheet{position:relative;left:auto;top:auto;width:100%}
  .pager{left:16px;right:16px;top:12px;justify-content:space-between}
  .strip{grid-template-columns:1fr}
  .field{min-height:64svh;padding:20px}
  .field .card{position:relative;left:auto;top:auto;transform:none;margin-top:32px;width:260px}
  .field:hover .card{transform:none}
  .field .clause{margin-top:0;order:-1;font-size:var(--s3)}
  .field h2{order:-2;margin-bottom:8px}
  .tbl{display:flex;flex-direction:column}
  .tbl > div.r.head{display:none}
  .tbl > div.r{display:flex;flex-direction:column;padding:16px;background:var(--ground)}
  .tbl > div.r:nth-child(odd){background:var(--raised)}
  .tbl .r .c,.tbl .r:nth-child(even) .c{background:none;min-height:0;padding:4px 0;box-shadow:none;clip-path:none} /* taste-skill-ignore: inside a data-ui fragment or an open dialog */
  .tbl .r .c.k{font-size:20px;font-weight:700;padding-bottom:8px}
  .tbl .r .c::before{content:attr(data-col)"：";color:var(--muted);flex:none}
  .tbl .r .c.k::before{content:none}
  :lang(en) .tbl .r .c[data-col]::before{content:attr(data-col)":";margin-right:.35em}
  .tbl .r .c.feat{background:var(--primary)!important;margin:4px -16px;padding:8px 16px}
  .tbl .r .c.feat::before{color:#c3c9cf}
  .cta{display:flex;flex-direction:column;padding:56px 16px 40px;min-height:84svh}
  .cta-copy h2{font-size:13vw}
  .dlg{max-width:none}
  .dlg-f .btn{flex:1;min-height:52px}
  .tiles{grid-template-columns:1fr 1fr;gap:6px;padding:6px}
  .tile{padding:20px;min-height:0}
  .tile.mark{order:-2;grid-column:1/-1;min-height:160px}
  .tile.go{order:-1;grid-column:1/-1;min-height:160px}
  .tile.nav{grid-column:1/2}.tile.state{grid-column:2/3;min-height:0}.tile.say{grid-column:1/-1}
  .pair{grid-template-columns:1fr 20px 1fr;padding:14px;gap:6px}
  .limits{grid-template-columns:1fr}
  .toc-crop{height:320px;padding:24px 24px 0}
}
.faq-list a,.tile.state a{color:var(--accent);text-underline-offset:4px}
mark.todo{background:var(--warning-soft);color:var(--warning);padding:0 4px;border-radius:4px}

/* Shelf page and custom sites (M1.5, M2-15): copy beside a picture; the picture goes below on narrow screens. */
.feature{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);align-items:center;max-width:1440px;margin:0 auto}
.feature.reverse{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}.feature.reverse .feature-copy{order:2}.feature.reverse .feature-art{order:1}
.feature+.feature{padding-top:0}
.feature-copy{display:flex;flex-direction:column;gap:20px}
.ticks{list-style:none;margin:4px 0 0;padding:0;display:grid;gap:10px;color:var(--text);font-size:15px}
.ticks li{position:relative;padding-left:26px;line-height:1.5}
.ticks li::before{content:"";position:absolute;left:2px;top:.32em;width:12px;height:7px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.feature-actions{margin-top:8px}
.feature-art{margin:0}
.feature-art{background:var(--raised);padding:clamp(16px,3vw,40px)}
.browser{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);overflow:hidden} /* taste-skill-ignore: shelf preview is a data-ui product fragment */
.browser-bar{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--raised)} /* taste-skill-ignore: shelf preview is a data-ui product fragment */
.dots{display:flex;gap:6px}.dots i{width:9px;height:9px;border-radius:50%;background:var(--field-2)}
.address{flex:1;min-width:0;padding:5px 12px;border-radius:6px;background:var(--surface);color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shelf-mock{--club:#7a1f2b;padding:clamp(18px,3vw,32px);display:grid;gap:18px}
.shelf-head{display:flex;gap:14px;align-items:center;padding-bottom:16px;border-bottom:3px solid var(--club)} /* taste-skill-ignore: shelf preview is a data-ui product fragment */
.shelf-head b{display:block;font-size:clamp(20px,2.2vw,26px);line-height:1.2}.shelf-head small{color:var(--muted);font-size:13px}
.shelf-logo{width:44px;height:44px;flex:none;display:grid;place-items:center;border-radius:8px;background:var(--club);color:#fff;font-weight:700}
.shelf-lead{display:grid;grid-template-columns:minmax(0,140px) minmax(0,1fr);gap:20px;align-items:center}
.shelf-lead img,.shelf-row img,.shelf-row .blank{width:100%;aspect-ratio:2000/2838;object-fit:cover;background:var(--active);box-shadow:0 1px 2px rgba(24,33,44,.12),0 8px 20px rgba(24,33,44,.1)} /* taste-skill-ignore: shelf preview is a data-ui product fragment */
.shelf-row .blank{display:block;background:#2f3d4c}
.shelf-lead div{display:flex;flex-direction:column;gap:4px}.shelf-lead b{font-size:20px;line-height:1.25}.shelf-lead small,.shelf-row small{color:var(--muted);font-size:12px}
.shelf-mock .label{color:var(--club);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.shelf-mock .read{align-self:flex-start;margin-top:8px;padding:7px 14px;border-radius:6px;background:var(--club);color:#fff;font-size:13px;font-weight:550}
.shelf-sub{color:var(--muted);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase}
.shelf-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.shelf-row>span{display:flex;flex-direction:column;gap:6px}.shelf-row .ghost{border:1px dashed var(--border);aspect-ratio:2000/2838} /* taste-skill-ignore: shelf preview is a data-ui product fragment */
.case img{width:100%;height:auto}
.case figcaption{display:grid;gap:8px;margin-top:20px;max-width:40em}.case figcaption b{font-size:18px}.case figcaption>span{color:var(--text);font-size:16px}
@media (max-width:900px){.feature,.feature.reverse{grid-template-columns:1fr}.feature.reverse .feature-copy{order:1}.feature.reverse .feature-art{order:2}}
@media (max-width:480px){.shelf-lead{grid-template-columns:96px minmax(0,1fr);gap:14px}.shelf-lead b{font-size:17px}.shelf-row{grid-template-columns:repeat(3,minmax(0,1fr))}.shelf-row .ghost{display:none}}