/* trang sau. — Monochrome Editorial Commerce · v1.0 */
.ts{
  --canvas:#FFFFFF;--surface:#F7F7F7;--surface-hover:#F0F0F0;--ink:#111111;--secondary:#626262;--tertiary:#888888;
  --line:#E7E7E7;--glass:rgba(255,255,255,.80);--glass-border:rgba(17,17,17,.07);--err:#B42318;
  --ease:cubic-bezier(.2,.7,.2,1);
  font-family:'Be Vietnam Pro',Inter,Arial,sans-serif;color:var(--ink);background:var(--canvas);
  font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased;min-height:100vh;font-feature-settings:"ss01" 0;
}
.ts *,.ts *::before,.ts *::after{box-sizing:border-box}
/* resets at zero specificity so component classes always win */
:where(.ts) :where(h1,h2,h3,p,figure,dl,dd,ol,ul){margin:0}
:where(.ts) :where(ol,ul){padding:0;list-style:none}
:where(.ts) :where(button){font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
:where(.ts) :where(button:disabled){cursor:default}
:where(.ts) :where(a){color:inherit;text-decoration:none}
.cur{font-size:.62em;margin-left:.18em;vertical-align:.32em;font-weight:500}
.ts :focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.ts input:focus-visible,.ts textarea:focus-visible,.ts select:focus-visible{outline:none}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1360px;margin:0 auto;padding:0 56px}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt24{margin-top:24px}
.maxw{max-width:34em}

/* type */
.eyebrow{font-size:12px;font-weight:500;line-height:1.4;color:var(--secondary);letter-spacing:.01em}
.display{font-size:64px;line-height:1.12;letter-spacing:-.035em;font-weight:500}
.h1{font-size:48px;line-height:1.16;letter-spacing:-.025em;font-weight:500}
.h2{font-size:36px;line-height:1.2;letter-spacing:-.02em;font-weight:500}
.h3{font-size:23px;line-height:1.3;letter-spacing:-.01em;font-weight:500}
.body{font-size:16px;line-height:1.55;color:var(--secondary)}
.lead{font-size:18px;line-height:1.55}
.small{font-size:13px;line-height:1.45;color:var(--secondary)}
.note{font-size:12px;line-height:1.45;color:var(--secondary);margin-top:40px}

/* icons */
.ic{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ic-s{width:16px;height:16px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:500;border:1px solid var(--ink);white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),opacity .2s var(--ease),border-color .2s var(--ease)}
.ts .btn-p{background:var(--ink);color:#fff}
.ts .btn-p:hover{background:#2B2B2B;border-color:#2B2B2B;color:#fff}
.ts .btn-p:disabled{background:#D9D9D9;border-color:#D9D9D9;color:#4A4A4A}
.ts .btn-s{background:transparent;color:var(--ink)}
.ts .btn-s:hover{background:var(--ink);color:#fff}
.btn-sm{height:44px;padding:0 20px;font-size:14px}
.btn-lg{height:56px;font-size:16px}
.btn-sq{width:56px;height:56px;padding:0}
.btn-sq.is-saved svg{fill:currentColor}
.lnk{display:inline-flex;align-items:center;gap:6px;background:none;border:0;padding:10px 0;font-size:14px;font-weight:500;color:var(--ink);min-height:44px}
.lnk span{border-bottom:1px solid currentColor;padding-bottom:1px}
.lnk:hover{opacity:.6}
.lnk svg{transition:transform .2s var(--ease)}
.lnk:hover svg{transform:translateX(3px)}
.ic-btn{width:44px;height:44px;border-radius:999px;border:0;background:none;display:grid;place-items:center;transition:background .18s var(--ease)}
.ic-btn:hover{background:rgba(17,17,17,.05)}
.ic-btn.on{background:rgba(17,17,17,.06)}

/* header */
.hd{position:sticky;top:0;z-index:40;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border)}
.hd-in{display:flex;align-items:center;gap:24px;height:72px}
.wm{font-size:30px;font-weight:600;letter-spacing:-.05em;line-height:1;background:none;border:0;padding:6px 0;white-space:nowrap}
.nav{display:flex;gap:2px;margin:0 auto}
.nav-a{background:none;border:0;padding:0 16px;height:44px;border-radius:999px;font-size:14px;font-weight:500;color:var(--secondary);transition:color .18s var(--ease),background .18s var(--ease)}
.nav-a:hover{color:var(--ink);background:rgba(17,17,17,.04)}
.nav-a.on{color:var(--ink)}
.hd-act{display:flex;gap:2px}

/* home: masthead + hero */
.masthead{display:flex;justify-content:space-between;gap:16px;padding:18px 0;border-bottom:1px solid var(--line);font-size:12px;font-weight:500;color:var(--secondary)}
.hero{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding:72px 0 96px;align-items:center}
.hero-txt{grid-column:1 / span 7;padding-right:24px}
.hero-txt .display{margin:24px 0 28px;max-width:10.5em}
.hero-txt .lead{max-width:29em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.hero-vis{grid-column:8 / span 5}
.hv-stage{position:relative;background:var(--surface);aspect-ratio:4/5;border-radius:4px;overflow:hidden}
.hv-top{position:absolute;left:24px;right:16px;top:16px;z-index:6;display:flex;justify-content:space-between;align-items:center;gap:12px}
.hv-count{font-size:12px;font-weight:500;color:var(--secondary);font-variant-numeric:tabular-nums}
.hv-nav{display:flex;gap:6px}
.ts .hv-arrow{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);display:grid;place-items:center;transition:border-color .18s var(--ease)}
.ts .hv-arrow:hover{border-color:var(--ink)}
.ts .hv-book{position:absolute;top:13%;left:50%;width:48%;display:block;padding:0;border:0;background:none;transform-origin:50% 100%;transition:transform .6s var(--ease),opacity .45s var(--ease);will-change:transform}
.hv-book img{display:block;width:100%;height:auto;border-radius:1px 3px 3px 1px;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 34px 54px -24px rgba(0,0,0,.5)}
.hv-book.front{transform:translateX(-50%);z-index:3}
.hv-book.left{transform:translateX(-104%) translateY(5%) rotate(-7deg) scale(.78);z-index:2}
.hv-book.right{transform:translateX(4%) translateY(5%) rotate(7deg) scale(.78);z-index:2}
.hv-book.left:hover{transform:translateX(-106%) translateY(3%) rotate(-8deg) scale(.8)}
.hv-book.right:hover{transform:translateX(6%) translateY(3%) rotate(8deg) scale(.8)}
.hv-book.hide{transform:translateX(-50%) translateY(8%) scale(.62);opacity:0;z-index:1;pointer-events:none}
.ts .hv-tag{position:absolute;left:16px;right:16px;bottom:16px;z-index:5;display:flex;align-items:center;gap:16px;background:#fff;color:var(--ink);border:1px solid rgba(17,17,17,.06);border-radius:8px;padding:12px 12px 12px 18px;box-shadow:0 8px 24px rgba(0,0,0,.05);text-align:left;transition:border-color .18s var(--ease)}
.ts .hv-tag:hover{border-color:rgba(17,17,17,.24)}
.hv-tag-t{flex:1;min-width:0}
.hv-tag-t>span{display:block}
.ts .hv-tag-st{display:flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--secondary)}
.hv-tag-n{font-size:15px;font-weight:500;line-height:1.35;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hv-tag-s{font-size:13px;color:var(--secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hv-tag-p{font-size:19px;font-weight:500;letter-spacing:-.01em;white-space:nowrap}
.hv-go{width:44px;height:44px;border-radius:999px;background:var(--ink);color:#fff;display:grid;place-items:center;flex:none}

/* search + chips */
.search{display:flex;align-items:center;gap:12px;height:64px;border:1px solid var(--line);border-radius:999px;padding:0 8px 0 24px;background:#fff;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.search:hover{border-color:#CFCFCF}
.search:focus-within{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.search input{flex:1;min-width:0;height:100%;border:0;outline:0;background:none;font:inherit;font-size:17px;color:var(--ink)}
.search input::placeholder{color:#767676}
.search input::-webkit-search-cancel-button{display:none}
.search-sm{height:52px;padding:0 4px 0 20px;flex:1;min-width:0}
.search-sm input{font-size:15px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.chip{height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;transition:border-color .18s var(--ease),background .18s var(--ease),color .18s var(--ease)}
.chip:hover{border-color:var(--ink)}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}

/* sections */
.sec{padding:112px 0}
.sec[id]{scroll-margin-top:88px}
.sec-sm{padding:96px 0 120px;border-top:1px solid var(--line)}
.sec-hd{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:40px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.sec-hd.plain{border-bottom:0;padding-bottom:0}

/* book card */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:48px 24px}
.card{display:block;min-width:0}
.stage{position:relative;display:flex;align-items:center;justify-content:center;background:var(--surface);aspect-ratio:4/5;border-radius:4px;overflow:hidden;transition:background .2s var(--ease)}
.card:hover .stage{background:var(--surface-hover)}
.card:hover .cover{transform:scale(1.02)}
.card.is-sold .cover{opacity:.5}
.flag{position:absolute;top:12px;left:12px;font-size:12px;font-weight:500;line-height:1;background:#fff;padding:7px 11px;border-radius:999px;border:1px solid var(--line)}
.meta{display:block;padding-top:16px}
.meta>span{display:block}
.c-title{font-size:15px;font-weight:500;line-height:1.35}
.c-author{font-size:13px;color:var(--secondary);margin-top:2px}
.c-price{font-size:15px;font-weight:500;margin-top:10px}
.c-sub{font-size:13px;color:var(--secondary);margin-top:2px}

/* typographic cover (illustrative) */
.cover{position:relative;display:flex;flex-direction:column;width:66%;aspect-ratio:2/3;container-type:inline-size;border-radius:1px 3px 3px 1px;padding:10cqi 9cqi 9cqi 12cqi;overflow:hidden;box-shadow:0 1px 1px rgba(0,0,0,.05),0 18px 30px -16px rgba(0,0,0,.32);transition:transform .22s var(--ease),opacity .2s}
.cover::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4.5cqi;background:linear-gradient(90deg,rgba(0,0,0,.2),rgba(0,0,0,0))}
.cover::after{content:"";position:absolute;left:4.5cqi;top:0;bottom:0;width:1px;background:rgba(255,255,255,.18)}
.cv-mark{display:block;width:15cqi;height:1.8cqi;margin-bottom:auto;flex:none}
.cv-title{display:block;font-size:13.5cqi;line-height:1.06;letter-spacing:-.025em;font-weight:600;text-wrap:balance}
.cv-author{display:block;font-size:6.4cqi;line-height:1.3;margin-top:5cqi;font-weight:500;opacity:.88}
.cv-mid .cv-title{font-size:12cqi}
.cv-long .cv-title{font-size:10cqi}
.cv-b .cv-mark{display:none}
.cv-b .cv-author{margin-top:auto}
.cv-c{align-items:center;justify-content:center;text-align:center;padding-left:13cqi;padding-right:9cqi}
.cv-c .cv-mark{margin:0 0 9cqi;width:9cqi;height:9cqi;border-radius:50%}

/* shelf */
.mission .shelf-wrap{grid-column:1 / -1}
.shelf{display:flex;align-items:flex-end;gap:56px;height:300px;border-bottom:2px solid var(--ink);padding:0 8px}
.shelf-spines{display:flex;align-items:flex-end;gap:3px;min-width:0}
.ts .spine{position:relative;display:block;flex:none;border-radius:2px 2px 0 0;overflow:hidden;box-shadow:inset 0 0 0 1px rgba(0,0,0,.07);transition:transform .35s var(--ease)}
.spine::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.22) 0,rgba(0,0,0,0) 18%,rgba(255,255,255,.12) 45%,rgba(0,0,0,0) 72%,rgba(0,0,0,.2) 100%);pointer-events:none}
.spine::after{content:"";position:absolute;left:0;right:0;bottom:12px;height:7px;border-top:1px solid currentColor;border-bottom:1px solid currentColor;opacity:.55;pointer-events:none}
.spine-t{position:absolute;left:0;right:0;top:14px;bottom:30px;display:flex;align-items:center;justify-content:flex-start;writing-mode:vertical-rl;font-size:12px;font-weight:600;line-height:1;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ts .spine:hover{transform:translateY(-6px)}
.ts .spine.is-sel{transform:translateY(-14px)}
.shelf-face{display:flex;align-items:flex-end;gap:32px;margin-left:auto;flex:none}
.face-cover{position:relative;display:block;width:172px;height:252px}
.face-cover img{position:absolute;left:0;bottom:0;width:100%;height:auto;display:block;opacity:0;border-radius:1px 3px 3px 1px;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 24px 36px -18px rgba(0,0,0,.45);transition:opacity .4s var(--ease),transform .4s var(--ease);transform:translateY(6px)}
.face-cover img.on{opacity:1;transform:none}
.face-cap{width:220px;padding-bottom:6px}
.face-t{font-size:20px;line-height:1.3;letter-spacing:-.01em;font-weight:500;margin-top:8px}
.face-p{font-size:15px;font-weight:500;margin-top:14px}
.spine-gap{flex:1}
.shelf-wrap{margin-top:72px}
.shelf-cap{display:flex;justify-content:space-between;gap:16px;margin-top:12px;font-size:12px;color:var(--secondary)}

/* mission + steps */
.mission{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding:128px 0 96px;border-top:1px solid var(--line)}
.mission-l{grid-column:1 / span 3}
.mission-r{grid-column:5 / span 8}
.mission-r .display{max-width:9em}
.mission-r .lead{max-width:30em;margin-top:32px;color:var(--ink)}
.mission-r .body{max-width:34em;margin-top:16px}
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{border-top:1px solid var(--ink);padding-top:20px}
.step-n{display:block;font-size:13px;font-weight:500;color:var(--secondary)}
.step .h3{margin:56px 0 12px}
.step .body{max-width:22em}
.join{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:32px;background:var(--surface);border-radius:4px;padding:72px}
.join .h2{max-width:16em}

/* footer */
.ft{border-top:1px solid var(--line);margin-top:112px;padding:64px 0 40px}
.ft-top{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:40px}
.ft-brand{grid-column:1 / span 5}
.ft-brand .small{max-width:26em;margin-top:16px}
.wm-ft{font-size:36px;font-weight:600;letter-spacing:-.05em;line-height:1}
.ft-col{grid-column:span 2;display:flex;flex-direction:column;align-items:flex-start}
.ft-col:nth-child(2){grid-column:8 / span 2}
.ft-col .eyebrow{margin-bottom:8px}
.ft-a{background:none;border:0;padding:0;min-height:36px;font-size:14px;text-align:left}
.ft-a:hover{opacity:.6}
.ft-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:64px;padding-top:20px;border-top:1px solid var(--line);font-size:12px;color:var(--secondary)}

/* explore */
.page-hd{padding:72px 0 40px}
.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:32px}
.sel-w{position:relative;flex:none}
.sel{appearance:none;-webkit-appearance:none;height:52px;border:1px solid var(--line);border-radius:999px;padding:0 44px 0 20px;background:#fff;font:inherit;font-size:14px;font-weight:500;color:var(--ink);cursor:pointer;transition:border-color .18s var(--ease)}
.sel:hover{border-color:#CFCFCF}
.sel:focus-visible{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.sel-w .ic{position:absolute;right:16px;top:50%;transform:translateY(-50%);pointer-events:none}
.fbtn{display:none;height:52px}
.ex{display:grid;grid-template-columns:232px minmax(0,1fr);gap:56px;padding-bottom:40px}
.filters{display:flex;flex-direction:column;gap:32px;align-self:start;position:sticky;top:104px}
.fg-t{font-size:12px;font-weight:500;color:var(--secondary);margin-bottom:6px}
.opt{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:40px;background:none;border:0;padding:6px 0;font-size:14px;text-align:left;color:var(--secondary);transition:color .18s var(--ease)}
.opt:hover{color:var(--ink)}
.opt.on{color:var(--ink);font-weight:500}
.opt-l{display:inline-flex;align-items:center;gap:10px}
.box{width:18px;height:18px;border:1px solid #9E9E9E;border-radius:4px;display:grid;place-items:center;flex:none;transition:background .18s var(--ease),border-color .18s var(--ease)}
.box svg{width:12px;height:12px;stroke:#fff;stroke-width:2;opacity:0}
.opt.on .box{background:var(--ink);border-color:var(--ink)}
.opt.on .box svg{opacity:1}
.radio{width:18px;height:18px;border:1px solid #9E9E9E;border-radius:50%;flex:none;position:relative}
.opt.on .radio{border-color:var(--ink)}
.opt.on .radio::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--ink)}
.cnt{font-size:12px;color:var(--secondary);font-weight:400}
.sheet-hd,.sheet-ft{display:none}
.scrim{display:none}
.tags{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:28px}
.tag{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 10px 0 14px;border-radius:999px;background:var(--surface);border:0;font-size:13px;font-weight:500;transition:background .18s var(--ease)}
.tag:hover{background:var(--surface-hover)}
.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:96px 24px;background:var(--surface);border-radius:4px}
.empty .body{max-width:26em}
.empty .btn{margin-top:12px}
.sk .stage{animation:ts-pulse 1.1s ease-in-out infinite}
.skl{display:block;height:12px;border-radius:2px;background:var(--surface);margin-top:12px}
.skl.w70{width:70%}.skl.w40{width:40%}
@keyframes ts-pulse{50%{opacity:.55}}

/* detail */
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:4px 8px;padding:28px 0 32px;font-size:13px;color:var(--secondary)}
.crumb-a{background:none;border:0;padding:6px 0;font-size:13px;color:var(--secondary)}
.crumb-a:hover{color:var(--ink)}
.crumb-c{color:var(--ink)}
.dt{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-bottom:96px}
.dt-gal{grid-column:1 / span 7}
.dt-info{grid-column:8 / span 5;padding-left:40px;align-self:start;position:sticky;top:104px}
.dt-stage{position:relative;display:flex;align-items:center;justify-content:center;background:var(--surface);aspect-ratio:4/5;border-radius:4px;overflow:hidden}
.dt-stage .cover{width:52%}
.demo-l{position:absolute;left:16px;bottom:16px;font-size:12px;font-weight:500;color:var(--secondary);background:rgba(255,255,255,.86);padding:6px 12px;border-radius:999px}
.thumbs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-top:12px}
.thumb{position:relative;display:flex;align-items:center;justify-content:center;aspect-ratio:1;background:var(--surface);border:1px solid transparent;border-radius:4px;padding:0;overflow:hidden;transition:border-color .18s var(--ease),background .18s var(--ease)}
.thumb:hover{background:var(--surface-hover)}
.thumb.on{border-color:var(--ink)}
.thumb .cover{width:38%;box-shadow:0 8px 14px -8px rgba(0,0,0,.3)}
.thumb-l{position:absolute;left:10px;bottom:8px;font-size:11px;font-weight:500;color:var(--secondary)}
.spine-lg{display:flex;align-items:center;justify-content:space-between;writing-mode:vertical-rl;height:76%;width:12%;padding:6% 0;font-size:20px;font-weight:600;letter-spacing:-.01em;border-radius:3px;box-shadow:0 18px 30px -16px rgba(0,0,0,.32);overflow:hidden;white-space:nowrap}
.spine-lg .sp-a{font-size:12px;font-weight:500;opacity:.85}
.thumb .spine-lg{height:62%;width:11%;font-size:0;padding:0;box-shadow:none}
.corner-v{position:absolute;inset:0;overflow:hidden}
.corner-v .cover{position:absolute;width:150%;left:-6%;top:-8%;transform:rotate(-4deg)}
.wear{position:absolute;left:4%;top:4%;width:22%;aspect-ratio:1;border-radius:50%;background:radial-gradient(closest-side,rgba(255,255,255,.35),rgba(255,255,255,0));pointer-events:none}
.paper{position:relative;display:flex;flex-direction:column;gap:5.5%;width:58%;aspect-ratio:2/3;background:#fff;padding:12% 11%;box-shadow:0 18px 30px -18px rgba(0,0,0,.3)}
.pl{display:block;height:5px;border-radius:3px;background:#E9E9E9;flex:none}
.pl.u{background:#E9E9E9;box-shadow:0 5px 0 -3px #8E8E8E}
.margin-note{display:block;margin-top:auto;align-self:flex-end;font-size:13px;font-style:italic;color:#5F5F5F;transform:rotate(-4deg);line-height:1.3;white-space:nowrap}
.thumb .paper{width:46%;gap:7%;padding:12% 10%;box-shadow:none}
.thumb .pl{height:2px}
.thumb .margin-note{display:none}
.status{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500}
.dot{width:8px;height:8px;border-radius:50%;background:var(--ink);flex:none}
.dot.held{background:#fff;box-shadow:inset 0 0 0 1.5px var(--ink)}
.dot.sold{background:var(--tertiary)}
.dt-title{margin:12px 0 8px}
.dt-author{font-size:17px;line-height:1.4;color:var(--secondary)}
.dt-price{font-size:32px;line-height:1.1;font-weight:500;letter-spacing:-.02em;margin:24px 0 32px}
.specs{border-top:1px solid var(--line)}
.spec{display:flex;justify-content:space-between;align-items:baseline;gap:24px;padding:13px 0;border-bottom:1px solid var(--line);font-size:14px;line-height:1.45}
.spec dt{color:var(--secondary)}
.spec dd{text-align:right;font-weight:500}
.cond{margin-top:40px}
.cond-t{font-size:16px;line-height:1.55;margin-top:10px}
.cond-list{margin-top:20px;display:grid;gap:10px;padding-top:20px;border-top:1px solid var(--line)}
.cond-list li{display:flex;gap:16px;font-size:14px;line-height:1.45;color:var(--secondary)}
.cl-k{width:104px;flex:none;color:var(--ink);font-weight:500}
.dt-cta{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;margin-top:40px}
.fine{font-size:12px;line-height:1.55;color:var(--secondary);margin-top:16px;max-width:42em}
.seller{display:flex;align-items:center;gap:16px;padding:20px 24px;border:1px solid var(--line);border-radius:4px;margin-top:40px}
.seller-t{flex:1;min-width:0}
.seller-n{font-size:15px;font-weight:500}
.avatar{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:500;flex:none}
.avatar-lg{width:120px;height:120px;font-size:34px;letter-spacing:-.02em}
.mbar{display:none}

/* contact dialog */
.ovl{position:fixed;inset:0;z-index:80;display:flex;align-items:center;justify-content:center;padding:24px;animation:ts-fade .2s var(--ease)}
.ovl-bg{position:absolute;inset:0;border:0;background:rgba(17,17,17,.32);cursor:default}
.dlg{position:relative;width:100%;max-width:480px;background:#fff;border-radius:8px;padding:32px;box-shadow:0 8px 24px rgba(0,0,0,.05);animation:ts-rise .22s var(--ease)}
.dlg-x{position:absolute;top:16px;right:16px}
.msg{background:var(--surface);border-radius:8px;padding:16px 18px;font-size:14px;line-height:1.55}
.msg-l{font-size:12px;font-weight:500;color:var(--secondary);margin-bottom:6px}
.chs{display:grid;gap:8px;margin-top:20px}
.ch{display:flex;align-items:center;gap:14px;width:100%;min-height:68px;padding:12px 16px;border:1px solid var(--line);border-radius:8px;background:#fff;text-align:left;transition:border-color .18s var(--ease)}
.ch:hover,.ch.on{border-color:var(--ink)}
.ch-ic{display:grid;place-items:center;width:40px;height:40px;border-radius:8px;background:var(--surface);font-size:14px;font-weight:600;flex:none}
.ch-t{display:flex;flex-direction:column;flex:1;min-width:0}
.ch-n{font-size:15px;font-weight:500}
.ct-note{display:flex;gap:8px;align-items:flex-start;margin-top:16px;font-size:13px;font-weight:500}
@keyframes ts-fade{from{opacity:0}}
@keyframes ts-rise{from{opacity:0;transform:translateY(8px)}}

/* sell */
.stepper{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:0 0 56px}
.st{display:flex;flex-direction:column;gap:4px;width:100%;background:none;border:0;border-top:2px solid var(--line);padding:16px 0 0;text-align:left;transition:border-color .2s var(--ease)}
.st.on,.st.done{border-top-color:var(--ink)}
.st-n{font-size:12px;color:var(--secondary)}
.st-t{font-size:14px;font-weight:500;color:var(--secondary)}
.st.on .st-t,.st.done .st-t{color:var(--ink)}
.st:disabled .st-t{color:#8A8A8A}
.sell{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;padding-bottom:40px}
.sell-main{grid-column:1 / span 7}
.sell-side{grid-column:9 / span 4;align-self:start;position:sticky;top:104px}
.sell-side .card{margin-top:16px;pointer-events:none}
.sell-side .small{margin-top:20px}
.fs-t{font-size:28px;line-height:1.25;letter-spacing:-.02em;font-weight:500;margin-bottom:8px}
.fs-d{font-size:15px;line-height:1.55;color:var(--secondary);margin-bottom:40px}
.field{display:grid;gap:10px;margin-bottom:28px}
.label{font-size:14px;line-height:1.4;font-weight:500}
.label .opt-t{font-weight:400;color:var(--secondary)}
.inp{width:100%;height:52px;border:1px solid #D4D4D4;border-radius:8px;padding:0 16px;background:#fff;font:inherit;font-size:16px;color:var(--ink);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.inp::placeholder{color:#767676}
.inp:hover{border-color:#ABABAB}
.inp:focus{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink);outline:none}
.inp.err{border-color:var(--err);box-shadow:0 0 0 1px var(--err)}
textarea.inp{height:auto;min-height:120px;padding:14px 16px;line-height:1.55;resize:vertical}
.hint{font-size:13px;color:var(--secondary)}
.errt{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--err)}
.price-w{position:relative}
.price-w .inp{padding-right:44px;font-size:18px;font-weight:500}
.suf{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--secondary);font-size:16px}
.photos{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.ph{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;aspect-ratio:3/4;border:1px dashed #BDBDBD;border-radius:8px;background:#fff;padding:10px;text-align:center;font-size:12px;font-weight:500;color:var(--secondary);transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease)}
.ph:hover{border-color:var(--ink);color:var(--ink)}
.ph.filled{border-style:solid;border-color:var(--line);background:var(--surface);color:var(--ink)}
.ph-s{font-size:11px;font-weight:400;color:var(--secondary)}
.conds{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.cd{display:flex;flex-direction:column;gap:4px;min-height:84px;padding:16px;border:1px solid var(--line);border-radius:8px;background:#fff;text-align:left;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.cd:hover{border-color:#ABABAB}
.cd.on{border-color:var(--ink);box-shadow:0 0 0 1px var(--ink)}
.cd-t{font-size:15px;font-weight:500}
.cd-d{font-size:13px;color:var(--secondary)}
.form-ft{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:44px;padding-top:24px;border-top:1px solid var(--line)}
.field .chips{gap:8px}
.ts .field .chip{height:40px;padding:0 16px}
.pv{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;padding:24px;border:1px solid var(--line);border-radius:4px}
.pv .stage .cover{width:62%}
.pv .specs{margin-top:20px}
.done{max-width:640px;padding:48px 0 40px}
.done-ic{display:grid;place-items:center;width:56px;height:56px;border-radius:50%;background:var(--ink);color:#fff;margin-bottom:32px}
.done .body{margin-top:16px}

/* sent / after contact */
.snt-back{padding:28px 0 0}
.snt{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;align-items:center;padding:32px 0 104px}
.snt-vis{grid-column:1 / span 5}
.snt-stage{position:relative;display:flex;align-items:center;justify-content:center;background:var(--surface);aspect-ratio:4/5;border-radius:4px}
.snt-stage img{display:block;width:56%;height:auto;border-radius:1px 3px 3px 1px;box-shadow:0 0 0 1px rgba(0,0,0,.06),0 30px 48px -22px rgba(0,0,0,.45)}
.snt-badge{position:absolute;left:16px;top:16px;display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px 6px 6px;font-size:13px;font-weight:500}
.ok-ic{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--ink);color:#fff;flex:none}
.ok-ic .ic{width:14px;height:14px;stroke-width:2}
.snt-txt{grid-column:7 / span 6}
.snt-txt .h1{margin-top:16px;max-width:11em}
.snt-txt .lead{margin-top:20px;max-width:30em}
.snt-sum{margin-top:36px}
.snt-msg{margin-top:28px}
.snt-msg-ft{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:4px}
.snt-note{display:flex;align-items:center;gap:8px;margin-top:12px;font-size:13px;font-weight:500}
.tl-sec{padding:96px 0;border-top:1px solid var(--line)}
.tl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.tl-tag{display:inline-flex;align-items:center;height:24px;margin-top:16px;padding:0 10px;border-radius:999px;border:1px solid var(--line);font-size:11px;font-weight:500;color:var(--secondary);white-space:nowrap}
.tl-step.done .tl-tag{border-color:rgba(17,17,17,.2);color:var(--ink)}
.howto{display:grid;gap:8px;margin-top:16px;font-size:14px;line-height:1.5;color:var(--secondary)}
.howto li{display:flex;gap:12px}
.howto .tn{width:20px;flex:none;font-weight:500;color:var(--ink)}
.track-note{display:flex;gap:12px;align-items:flex-start;margin-top:24px;padding:16px 18px;border:1px solid var(--line);border-radius:8px;font-size:13px;line-height:1.5;color:var(--secondary)}
.track-note .ic{margin-top:1px;color:var(--ink)}
/* seller: mark status */
.mk{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:40px;padding-bottom:104px}
.mk-book{grid-column:1 / span 4;align-self:start;position:sticky;top:104px}
.mk-main{grid-column:6 / span 7}
.stat-opts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.chk-i .radio{margin-top:2px}
.chk-i.on .radio{border-color:var(--ink)}
.chk-i.on .radio::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--ink)}
.chk-i.err-b{border-bottom-color:var(--err)}
.buyer-tag{display:inline-flex;margin-left:8px;padding:2px 8px;border-radius:999px;background:var(--surface);font-size:11px;font-weight:500;color:var(--secondary);vertical-align:2px}
.mk-ok{display:flex;gap:16px;align-items:flex-start;padding:20px 24px;border:1px solid var(--ink);border-radius:8px;margin-top:8px}
.mk-ok .ok-ic{width:28px;height:28px}
.tl-step{border-top:2px solid var(--line);padding-top:20px;transition:border-color .3s var(--ease)}
.tl-step.done,.tl-step.now{border-top-color:var(--ink)}
.tl-n{display:flex;align-items:center;gap:10px;font-size:13px;font-weight:500;color:var(--secondary)}
.tl-ic{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;border:1px solid #9E9E9E;flex:none;font-size:11px}
.tl-ic .ic{width:14px;height:14px;stroke-width:2}
.tl-step.done .tl-ic{background:var(--ink);border-color:var(--ink);color:#fff}
.tl-step.now .tl-ic{border:2px solid var(--ink);color:var(--ink)}
.tl-t{font-size:23px;line-height:1.3;letter-spacing:-.01em;font-weight:500;margin:32px 0 8px}
.tl-step.later .tl-t{color:#8A8A8A}
.tl-step .body{max-width:22em}
.tl-ft{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px 24px;margin-top:48px;padding:20px 20px 20px 24px;background:var(--surface);border-radius:4px}
.tl-ft .small{max-width:40em}
.prep{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:56px;padding:0 0 104px}
.prep-a{grid-column:1 / span 6}
.prep-b{grid-column:8 / span 5}
.chk{margin-top:24px;border-top:1px solid var(--line)}
.ts .chk-i{display:flex;align-items:flex-start;gap:14px;width:100%;min-height:56px;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left}
.chk-i .box{margin-top:2px}
.chk-i.on .box{background:var(--ink);border-color:var(--ink)}
.chk-i.on .box svg{opacity:1}
.chk-t{display:block;min-width:0}
.chk-k{display:block;font-size:15px;line-height:1.4;font-weight:500}
.chk-v{display:block;font-size:13px;line-height:1.45;color:var(--secondary);margin-top:2px}
.chk-i.on .chk-k{color:var(--secondary)}
.tips{display:grid;gap:20px;margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.tips li{display:flex;gap:16px;font-size:15px;line-height:1.55}
.tips .tn{width:24px;flex:none;font-size:13px;font-weight:500;color:var(--secondary);padding-top:2px}
.more-sec{padding:96px 0 0;border-top:1px solid var(--line)}

/* profile */
.pf{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));column-gap:24px;row-gap:40px;align-items:start;padding:72px 0 64px;border-bottom:1px solid var(--line)}
.pf-l{grid-column:1 / span 7;display:flex;align-items:flex-start;gap:32px}
.pf-id{min-width:0;padding-top:4px}
.pf-name{margin-top:8px}
.pf-loc{display:flex;align-items:center;gap:6px;margin-top:10px;font-size:15px;color:var(--secondary)}
.pf-bio{max-width:32em;margin-top:20px}
.pf-r{grid-column:9 / span 4;padding-top:4px}
.pf-facts{border-top:1px solid var(--line)}
.ts .pf-cta{width:100%;margin-top:24px}
.tabs{display:flex;gap:32px;border-bottom:1px solid var(--line);margin:32px 0 40px;overflow-x:auto}
.tab{display:inline-flex;align-items:center;gap:6px;background:none;border:0;border-bottom:2px solid transparent;margin-bottom:-1px;padding:12px 0;min-height:48px;font-size:14px;font-weight:500;color:var(--secondary);white-space:nowrap;transition:color .18s var(--ease),border-color .18s var(--ease)}
.tab:hover{color:var(--ink)}
.tab.on{color:var(--ink);border-bottom-color:var(--ink)}

/* tablet */
@media (max-width:1100px){
  .wrap{padding:0 32px}
  .grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .display{font-size:52px}
  .hero{padding:72px 0 88px}
  .hero-txt{grid-column:1 / span 12}
  .hero-vis{grid-column:1 / span 12;margin-top:56px}
  .hv-stage{aspect-ratio:16/10}
  .ts .hv-book{width:26%;top:9%}
  .mission-l{grid-column:1 / span 12;margin-bottom:24px}
  .mission-r{grid-column:1 / span 12}
  .face-cap{display:none}
  .shelf{gap:32px}
  .dt-info{padding-left:16px}
  .sell-main{grid-column:1 / span 8}
  .sell-side{grid-column:9 / span 4}
  .tl{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:40px}
}
@media (max-width:900px){
  .ex{grid-template-columns:minmax(0,1fr);gap:0}
  .fbtn{display:inline-flex}
  .filters{display:none}
  .filters.is-open{display:flex;position:fixed;left:0;right:0;bottom:0;top:auto;z-index:70;max-height:84vh;overflow-y:auto;gap:28px;background:#fff;border-radius:16px 16px 0 0;padding:20px 20px 0;box-shadow:0 -8px 24px rgba(0,0,0,.06);animation:ts-rise .22s var(--ease)}
  .scrim{display:block;position:fixed;inset:0;z-index:60;border:0;background:rgba(17,17,17,.32)}
  .sheet-hd{display:flex;justify-content:space-between;align-items:center}
  .sheet-ft{display:grid;grid-template-columns:auto 1fr;gap:10px;position:sticky;bottom:0;background:#fff;padding:16px 0 20px;border-top:1px solid var(--line);margin-top:auto}
  .desk-only{display:none}
  .dt-gal,.dt-info{grid-column:1 / span 12}
  .dt-info{position:static;padding:40px 0 0}
  .has-bar{padding-bottom:96px}
  .mbar{display:flex;align-items:center;justify-content:space-between;gap:16px;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:12px 18px 14px;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-top:1px solid var(--glass-border)}
  .mbar-p{font-size:18px;font-weight:500}
  .sell-main,.sell-side{grid-column:1 / span 12}
  .sell-side{position:static;margin-top:48px;max-width:280px}
  .pf-l,.pf-r{grid-column:1 / span 12}
  .snt-vis,.snt-txt,.prep-a,.prep-b{grid-column:1 / span 12}
  .snt-txt{margin-top:40px}
  .snt-vis{max-width:520px}
  .mk-book,.mk-main{grid-column:1 / span 12}
  .mk-book{position:static;max-width:320px}
}
/* phone */
@media (max-width:720px){
  .wrap{padding:0 18px}
  .hd-in{flex-wrap:wrap;height:auto;padding-top:10px;gap:0}
  .wm{font-size:26px;margin-right:auto}
  .nav{order:3;width:100%;margin:2px -12px 4px;overflow-x:auto}
  .nav-a{padding:0 12px;font-size:13px}
  .display{font-size:40px;line-height:1.17;letter-spacing:-.025em}
  .h1{font-size:34px;line-height:1.2}
  .h2{font-size:28px;line-height:1.22}
  .lead{font-size:16px}
  .masthead span:nth-child(2){display:none}
  .hero{padding:48px 0 56px}
  .hero-txt .display{margin:16px 0 20px}
  .hero-cta{margin-top:28px}
  .hero-cta .btn{flex:1 1 140px}
  .hero-vis{margin-top:40px}
  .hv-stage{aspect-ratio:4/5}
  .ts .hv-book{width:46%;top:14%}
  .hv-top{left:16px;right:12px;top:12px}
  .ts .hv-tag{left:10px;right:10px;bottom:10px;gap:10px;padding:10px 10px 10px 14px}
  .hv-tag-p{font-size:16px}
  .search{height:56px;padding:0 6px 0 18px}
  .search .btn{display:none}
  .chips{flex-wrap:nowrap;overflow-x:auto;margin:16px -18px 0;padding:0 18px 4px}
  .chip{flex:none}
  .sec{padding:64px 0}
  .sec-sm{padding:64px 0 72px}
  .sec-hd{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:28px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 14px}
  .meta{padding-top:12px}
  .c-title{font-size:14px}
  .c-price{margin-top:8px}
  .mission{padding:72px 0 56px}
  .mission-r .lead{margin-top:24px}
  .shelf{height:260px;gap:0;overflow-x:auto;margin:0 -18px;padding:0 18px}
  .shelf-face{display:none}
  .steps{grid-template-columns:minmax(0,1fr);gap:40px}
  .step .h3{margin:24px 0 8px}
  .join{padding:40px 24px;align-items:flex-start}
  .join .btn{width:100%}
  .ft{margin-top:72px;padding-top:48px}
  .ft-brand,.ft-col,.ft-col:nth-child(2){grid-column:span 12}
  .ft-bot{flex-direction:column;margin-top:40px}
  .page-hd{padding:40px 0 28px}
  .toolbar{flex-wrap:wrap}
  .search-sm{flex:1 1 100%}
  .toolbar .fbtn{flex:1}
  .toolbar .sel-w{flex:1}
  .toolbar .sel{width:100%}
  .crumb{padding:16px 0 20px}
  .dt-price{margin:20px 0 24px}
  .dt-cta{display:none}
  .thumbs{gap:8px}
  .thumb-l{display:none}
  .stepper{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;margin-bottom:36px}
  .st-t{font-size:12px;line-height:1.3}
  .photos{grid-template-columns:repeat(2,minmax(0,1fr))}
  .conds{grid-template-columns:minmax(0,1fr)}
  .pv{grid-template-columns:minmax(0,1fr);padding:16px}
  .form-ft .btn{flex:1}
  .pf{padding:40px 0 40px}
  .pf-l{flex-direction:column;align-items:flex-start;gap:20px}
  .pf-id{padding-top:0}
  .avatar-lg{width:88px;height:88px;font-size:26px}
  .tabs{gap:24px;margin:24px 0 28px}
  .snt{padding:16px 0 64px}
  .snt-stage{aspect-ratio:1/1}
  .snt-stage img{width:46%}
  .snt-txt{margin-top:32px}
  .tl-sec{padding:64px 0}
  .tl{grid-template-columns:minmax(0,1fr);gap:32px}
  .stat-opts{grid-template-columns:minmax(0,1fr)}
  .tl-t{margin:16px 0 6px;font-size:20px}
  .tl-ft{padding:18px}
  .tl-ft .btn{width:100%}
  .prep{padding-bottom:64px;row-gap:48px}
  .more-sec{padding-top:64px}
  .ovl{align-items:flex-end;padding:0}
  .dlg{max-width:none;border-radius:16px 16px 0 0;padding:28px 20px 24px}
}
@media (prefers-reduced-motion:reduce){
  .ts *,.ts *::before,.ts *::after{transition:none !important;animation:none !important}
}