/* cn-01 · thietkeweb.dev demo template · mobile-first, no framework */
:root{--bg:#0d1117;--ink:#e6edf3;--muted:#8b98a5;--pri:#22d3ee;--pri-ink:#0d1117;--acc:#4ade80;--acc-ink:#0d1117;--line:#232b36;--font:"Kanit",system-ui,sans-serif;--head:"Kanit",sans-serif;--hw:600;--r:8px;--ir:8px;--hd-bg:rgba(13,17,23,.92);--ft-bg:#070a0e;--kick:#4ade80;--card:#151b23;--in-bg:#0b0f14;color-scheme:dark}
body{font-weight:400}.mono{font-family:"JetBrains Mono",ui-monospace,monospace}.hd{border-bottom:1px solid var(--line)}
.fm label{color:#c9d4de}
.live{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--acc);margin-right:8px}.live i{width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(74,222,128,.2)}
.hero{position:relative;padding:56px 0 64px;overflow:hidden}.hero__bg{position:absolute;inset:0}.hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.22}.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#0d1117 30%,rgba(13,17,23,.6)),repeating-linear-gradient(0deg,rgba(34,211,238,.05) 0 1px,transparent 1px 28px),repeating-linear-gradient(90deg,rgba(34,211,238,.05) 0 1px,transparent 1px 28px)}
.hero__g{position:relative;display:grid;gap:36px;align-items:center}.hero__g>*{min-width:0}@media(min-width:980px){.hero__g{grid-template-columns:1.1fr .9fr;gap:56px}}
.hero__k{color:var(--muted);font-size:14px;margin-bottom:12px}.ok{color:var(--acc)}
.hero h1{font-size:clamp(36px,5.6vw,68px);line-height:1.05;margin-bottom:16px}.hero h1 span{color:var(--pri)}.hero__lead{color:var(--muted);font-size:18px;max-width:540px}
.kpi{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.kpi li{border:1px solid var(--line);background:rgba(21,27,35,.8);border-radius:8px;padding:10px 14px;font-size:12px;color:var(--muted);display:grid;min-width:110px}.kpi b{font-size:22px;color:var(--ink)}
.qz{background:var(--card);border:1px solid #2d3846;border-radius:12px;overflow:hidden;box-shadow:0 0 0 1px rgba(34,211,238,.08),0 30px 60px -30px rgba(34,211,238,.35)}
.qz__bar{display:flex;align-items:center;gap:6px;padding:10px 14px;background:#0b0f14;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.qz__bar i{width:10px;height:10px;border-radius:50%;background:#f87171}.qz__bar i:nth-child(2){background:#fbbf24}.qz__bar i:nth-child(3){background:var(--acc)}.qz__bar span{margin-left:8px}
.qz__b{padding:18px}.qz__l{display:block;font-size:12px;color:var(--pri);margin:14px 0 6px}.qz__l:first-child{margin-top:0}
.qz select{width:100%;background:#0b0f14;border:1px solid var(--line);border-radius:8px;padding:11px 12px;color:var(--ink)}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:6px;background:#0b0f14;border-radius:10px;padding:4px}.seg button{border:0;background:none;color:var(--muted);padding:9px;border-radius:7px;cursor:pointer;font-weight:500}.seg .is-on{background:var(--pri);color:var(--pri-ink)}
.qz__out{display:grid;grid-template-columns:1.3fr 1fr;gap:10px;margin:16px 0;border:1px dashed #2d3846;border-radius:10px;padding:12px}.qz__out small{display:block;font-size:11px;color:var(--muted)}.qz__out b{font-size:28px;color:var(--acc);font-family:"JetBrains Mono",monospace;line-height:1.2}.qz__out span{font-size:15px}
.qz .btn--w+.btn--w{margin-top:8px}.sm{font-size:12px;color:var(--muted);margin:10px 0 0}
.tick{border-block:1px solid var(--line);background:#0b0f14;font-size:13px;color:var(--muted);overflow:hidden}.tick .wrap{display:flex;gap:32px;padding-top:12px;padding-bottom:12px;white-space:nowrap;overflow-x:auto;scrollbar-width:none}.tick span{display:inline-flex;align-items:center;gap:8px}.tick i{width:7px;height:7px;border-radius:50%;background:var(--acc)}
.sh h2,.ben h2,.trk h2,.bk h2{font-size:clamp(30px,4.2vw,46px)}.kick{font-size:13px}
.mods{display:grid;gap:14px}@media(min-width:700px){.mods{grid-template-columns:1fr 1fr}}@media(min-width:1080px){.mods{grid-template-columns:repeat(3,1fr)}}
.mod{position:relative;background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:border-color .2s,transform .2s}.mod:hover{border-color:var(--pri);transform:translateY(-3px)}
.mod img{aspect-ratio:16/10;object-fit:cover;width:100%;filter:saturate(.8) contrast(1.05)}.mod__c{position:absolute;top:10px;left:10px;background:rgba(13,17,23,.85);color:var(--pri);font-size:12px;padding:3px 8px;border-radius:5px;border:1px solid rgba(34,211,238,.4)}
.mod__b{display:grid;padding:14px 16px}.mod__b b{font-size:20px;font-weight:600}.mod__b span{font-size:12.5px;color:var(--muted)}
.sec--d{background:#0a0e13;border-block:1px solid var(--line)}
.ben{display:grid;gap:30px;align-items:center}.ben>*{min-width:0}@media(min-width:960px){.ben{grid-template-columns:1.1fr 1fr;gap:56px}}.ben img{border-radius:12px;width:100%;border:1px solid var(--line)}
.cmt{display:grid;gap:10px;margin-top:18px}.cmt li{display:flex;gap:14px;align-items:center;border:1px solid var(--line);border-radius:10px;padding:12px 14px;background:var(--card)}.cmt b{color:var(--pri)}
.trk{display:grid;gap:30px;align-items:center}.trk>*{min-width:0}@media(min-width:960px){.trk{grid-template-columns:1fr 1fr;gap:56px}}
.trk__f{display:flex;gap:8px;margin-top:16px}.trk__f input{flex:1;min-width:0;background:#0b0f14;border:1px solid var(--line);border-radius:8px;padding:12px;color:var(--ink);text-transform:uppercase;letter-spacing:.1em}.trk__m{color:var(--acc);font-size:13px;margin-top:10px;min-height:20px}
.trk__s{display:grid;gap:0;border-left:2px solid var(--line);margin-left:8px}.trk__s li{position:relative;padding:10px 0 14px 24px;display:grid}.trk__s li::before{content:"";position:absolute;left:-7px;top:16px;width:12px;height:12px;border-radius:50%;background:var(--bg);border:2px solid #3b4757}
.trk__s span{font-size:12px;color:var(--muted)}.trk__s b{font-weight:500;color:var(--muted)}.trk__s .done::before{background:var(--acc);border-color:var(--acc)}.trk__s .done b{color:var(--ink)}.trk__s .now::before{background:var(--pri);border-color:var(--pri);box-shadow:0 0 0 5px rgba(34,211,238,.2)}.trk__s .now b{color:var(--pri)}
.tbl{overflow-x:auto;border:1px solid var(--line);border-radius:10px}.tbl table{width:100%;border-collapse:collapse;font-size:14px}.tbl th,.tbl td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}.tbl th{color:var(--pri);font-weight:600;background:#0b0f14}.tbl tr:last-child td{border:0}.tbl td+td{white-space:nowrap}
.bk{display:grid;gap:28px}.bk>*{min-width:0}@media(min-width:960px){.bk{grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}}.bk__f{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px}.bk a{color:var(--pri)}
.rv{margin-top:22px;border-left:3px solid var(--acc);padding:4px 0 4px 16px}.rv p{font-size:18px;margin:0 0 6px}.rv span{font-size:12px;color:var(--muted)}
.dh{padding:8px 0 40px;border-bottom:1px solid var(--line)}.dh__g{display:grid;gap:28px;align-items:center}.dh__g>*{min-width:0}@media(min-width:900px){.dh__g{grid-template-columns:1.1fr .9fr;gap:48px}}.dh h1{font-size:clamp(32px,4.6vw,54px);margin:6px 0 12px}
.dh__img{position:relative;border-radius:12px;overflow:hidden;border:1px solid #2d3846}.dh__img img{width:100%}.scan{position:absolute;left:0;right:0;top:0;height:30%;background:linear-gradient(180deg,transparent,rgba(34,211,238,.25));border-bottom:2px solid var(--pri);animation:scan 3.5s ease-in-out infinite alternate}@keyframes scan{to{transform:translateY(240%)}}
@media(prefers-reduced-motion:reduce){.scan{animation:none}}
.dd{display:grid;gap:36px;align-items:start}.dd>*{min-width:0}@media(min-width:980px){.dd{grid-template-columns:1fr 360px;gap:48px}.dd__s{position:sticky;top:90px}}.dd__m h2{font-size:24px;margin:0 0 14px}.dd__m h2:not(:first-child){margin-top:34px}
.sym{display:flex;flex-wrap:wrap;gap:8px}.sym button{background:var(--card);border:1px solid var(--line);color:var(--ink);border-radius:99px;padding:8px 16px;cursor:pointer}.sym .is-on{border-color:var(--acc);color:var(--acc)}
.flow{display:grid;gap:10px;counter-reset:f}@media(min-width:640px){.flow{grid-template-columns:repeat(4,1fr)}}.flow li{counter-increment:f;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;display:grid}.flow li::before{content:"0" counter(f);font-family:"JetBrains Mono",monospace;color:var(--pri);font-size:13px}.flow span{font-size:13px;color:var(--muted)}
.qs__n{display:block;font-size:20px}
.oth{margin-top:24px}.oth a{display:flex;justify-content:space-between;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);font-size:15px}.oth b{color:var(--acc);font-size:13px;white-space:nowrap}

/* base */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:clip}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;line-height:1.15;font-family:var(--head);font-weight:var(--hw,700);text-wrap:balance}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
svg{fill:currentColor}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px}
[hidden]{display:none!important}
.wrap{width:100%;max-width:var(--max,1200px);margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px;top:0;z-index:999;background:var(--pri);color:#fff;padding:10px 16px}.skip:focus{left:10px;top:10px}
.vh{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:11px 22px;border-radius:var(--r,8px);border:1.5px solid transparent;font-weight:600;font-size:15px;cursor:pointer;line-height:1.2;transition:filter .2s,transform .2s,background .2s,color .2s;text-align:center}
.btn:hover{transform:translateY(-1px);filter:brightness(1.06)}
.btn svg{width:18px;height:18px;flex:none}
.btn--p{background:var(--pri);color:var(--pri-ink,#fff)}
.btn--a{background:var(--acc);color:var(--acc-ink,#111)}
.btn--o{border-color:currentColor;background:transparent}
.btn--sm{min-height:38px;padding:7px 14px;font-size:14px}
.btn--w{width:100%}
.sec{padding:64px 0}
@media(min-width:900px){.sec{padding:96px 0}}
.kick{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--kick,var(--pri));margin-bottom:10px}
.sh{max-width:680px;margin-bottom:36px}.sh h2{font-size:clamp(28px,4.4vw,44px);margin-bottom:12px}.sh p{color:var(--muted);margin:0}
.sh--c{margin-left:auto;margin-right:auto;text-align:center}
.muted{color:var(--muted)}
/* header */
.hd{position:sticky;top:0;z-index:50;background:var(--hd-bg,rgba(255,255,255,.96));color:var(--hd-ink,var(--ink));border-bottom:1px solid var(--hd-line,var(--line));backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.hd__in{display:flex;align-items:center;justify-content:space-between;gap:14px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--head);font-weight:700;font-size:20px;line-height:1;flex:none}
.logo svg{width:36px;height:36px;flex:none}
.logo small{display:block;font-family:var(--font);font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;opacity:.7;margin-top:4px}
.nav{position:absolute;top:100%;left:0;right:0;background:var(--nav-bg,var(--bg));color:var(--nav-ink,var(--ink));padding:8px 20px 24px;border-bottom:1px solid var(--line);box-shadow:0 20px 30px -20px rgba(0,0,0,.3);display:none}
.menu-open .nav{display:block}
.nav ul{display:flex;flex-direction:column}
.nav a{display:block;padding:12px 0;font-weight:600;border-bottom:1px solid var(--line)}
.hd__act{display:flex;align-items:center;gap:8px}
.burger{width:44px;height:44px;border:0;background:transparent;display:grid;place-content:center;gap:5px;cursor:pointer;color:inherit}
.burger span{display:block;width:22px;height:2px;background:currentColor;border-radius:2px;transition:transform .25s,opacity .25s}
.menu-open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}.menu-open .burger span:nth-child(2){opacity:0}.menu-open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hide-m{display:none!important}
@media(min-width:980px){.nav{position:static;display:block;background:none;color:inherit;padding:0;border:0;box-shadow:none}.nav ul{flex-direction:row;gap:26px}.nav a{border:0;padding:6px 0;font-size:15px}.burger{display:none}.hide-m{display:inline-flex!important}}
/* form */
.fm{display:grid;gap:14px}
.fm label{display:block;font-size:14px;font-weight:600;margin-bottom:6px}
.fm input,.fm select,.fm textarea{width:100%;min-height:46px;padding:10px 14px;border:1.5px solid var(--line);border-radius:var(--ir,6px);background:var(--in-bg,#fff);color:var(--ink)}
.fm textarea{min-height:90px;resize:vertical}
.fm input:focus,.fm select:focus,.fm textarea:focus{outline:none;border-color:var(--pri)}
.fm [aria-invalid=true]{border-color:#d93025}
.fm .err{display:block;color:#d93025;font-size:13px;min-height:0}
.fm .ok{padding:12px 14px;border-radius:6px;background:#e7f6ec;color:#185c33;font-size:15px}
.fm .note{font-size:13px;color:var(--muted);margin:0}
@media(min-width:640px){.fm--2{grid-template-columns:1fr 1fr}.fm--2 .full{grid-column:1/-1}}
/* footer */
.ft{background:var(--ft-bg,#111);color:var(--ft-ink,#cfd3da);padding:56px 0 28px;font-size:15px}
.ft a:hover{color:#fff}
.ft__g{display:grid;gap:28px}
@media(min-width:800px){.ft__g{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.ft h3{font-family:var(--font);font-size:14px;letter-spacing:.12em;text-transform:uppercase;color:#fff;margin-bottom:12px}
.ft li{margin-bottom:8px}
.ft .logo{color:#fff;margin-bottom:14px}
.ft__b{border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;font-size:13px;opacity:.8}
.ft__b p{margin:0}
/* detail shared */
.bc{font-size:14px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;padding:18px 0}.bc a{color:var(--pri)}