/* Smart Tenn Living. Black and white like the logo; the only colour is the spectrum in order, used for sequences and categories. Bilingual: Chinese sits beneath each English line. */
:root{
  --bg:#ffffff; --surface:#f6f6f4; --raise:#ffffff; --fg:#161616; --muted:#66655f; --line:#e4e3de; --line-strong:#c9c8c1;
  --accent:#161616;
  --r1:#e53935; --r2:#fb8c00; --r3:#fdd835; --r4:#43a047; --r5:#00acc1; --r6:#1e88e5; --r7:#3949ab; --r8:#8e24aa;
  --bad:#e53935; --ok:#43a047;
  --zh:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
  --display:"Archivo",system-ui,"Segoe UI",Arial,sans-serif,var(--zh);
  --body:"IBM Plex Sans",system-ui,"Segoe UI",Arial,sans-serif,var(--zh);
  --mono:"IBM Plex Mono",ui-monospace,Consolas,monospace,var(--zh);
  color-scheme:light;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--body);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:40;background:var(--bg)}
a{color:inherit}
h1,h2,h3{font-family:var(--display);margin:0;text-wrap:balance;letter-spacing:-.01em}
h1{font-size:clamp(34px,4.6vw,56px);font-variation-settings:"wdth" 85;font-weight:700;line-height:1.05;letter-spacing:-.02em}
h2{font-size:clamp(26px,3.2vw,38px);font-variation-settings:"wdth" 88;font-weight:700;line-height:1.08;letter-spacing:-.02em}
h3{font-size:20px;font-weight:600;line-height:1.2}
p{margin:0}
[hidden]{display:none!important}
img{max-width:100%}
.wrap{max-width:1200px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.eyebrow{font-weight:600;font-size:13px;color:var(--accent)}
.lede{color:var(--muted);max-width:60ch;font-size:17px}
.lede a{color:var(--accent)}
section{padding-block:clamp(48px,7vw,96px);border-top:1px solid var(--line)}
section.first{border-top:0}
.sec-head{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:36px}
@media(min-width:860px){.sec-head{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);align-items:end;gap:40px}}
.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border:1px solid var(--line-strong);background:transparent;color:var(--fg);font:inherit;font-weight:500;font-size:15px;text-decoration:none;cursor:pointer;border-radius:2px;transition:background .15s,border-color .15s,color .15s}
.btn:hover{border-color:var(--fg)}
.btn.primary{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.btn.primary:hover{background:#333}
.btn:focus-visible,button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--fg);outline-offset:2px}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-row .fine{font-size:13px;color:var(--muted)}

/* Icons: one line style, 1.75 stroke, white on a chip or inherited colour inline */
.ic{display:inline-grid;place-items:center;width:38px;height:38px;border-radius:6px;background:color-mix(in srgb,var(--c,var(--fg)) 18%,#fff);border:1px solid color-mix(in srgb,var(--c,var(--fg)) 55%,#fff);color:var(--fg);flex:none;vertical-align:middle;box-sizing:border-box}
.ic svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;display:block}
.ic.c{}
.ic.xs{width:26px;height:26px;border-radius:5px}
.ic.xs svg{width:15px;height:15px}
.ic.sm{width:20px;height:20px;background:transparent;border:0;color:inherit;border-radius:0}
.ic.sm svg{width:18px;height:18px}
.ic.ghost{background:transparent;color:var(--fg);border:1px solid var(--line-strong)}

/* Bilingual */
.zh{display:block;font-family:var(--zh);font-size:.93em;color:var(--muted);margin-top:.2em;font-weight:400;letter-spacing:0;text-transform:none;font-variation-settings:normal;line-height:1.5}
h1 .zh{font-size:.55em;font-weight:600;color:var(--fg);margin-top:.35em;line-height:1.3}
h2 .zh{font-size:.68em;font-weight:600;color:var(--fg);margin-top:.3em;line-height:1.3}
h3 .zh{font-size:.9em;font-weight:500;color:var(--fg);margin-top:.25em}
.lede .zh{font-size:.95em}
.btn .zh,.k .zh,.eyebrow .zh,.stat b .zh,.facts b .zh,.wordmark small .zh,.tag .zh,.hint .zh,.ov .zh,.proto .zh,.seg .zh,.cmp .h .zh,.logos .zh,.step .n .zh,.step .hp .zh,.scard .k .zh,.logowall .k .zh,.reach .k .zh,.field label .zh,.est .hint .zh,.crumb .zh{display:inline;margin-left:.5em;margin-top:0;font-size:.95em;color:inherit}
.btn .zh{opacity:.8}
.stat b .zh,.facts b .zh{font-size:.5em;font-weight:500;color:var(--muted)}
.navlinks a .zh{display:block;font-size:11px;margin-top:2px;color:var(--muted)}
.cmp .r > div .zh{font-size:.92em}
.step .t .zh{font-size:.85em;font-weight:500;color:var(--muted)}
.stepbody h4 .zh{display:inline;margin-left:.5em;margin-top:0}
.stepbody ul li .zh,.signoff .zh{font-size:.92em}
.signoff div span .zh{display:block}
.sw .name .zh{font-size:.9em;font-weight:500}
.ok-msg{white-space:pre-line}
.values .k .zh{display:none}
/* Bulleted grids: keep the Chinese line in the text column, never the dot column */
.door ul li .zh,.offer .pt li .zh,.facts.text div .zh,.stepbody ul li .zh{grid-column:2}
.faq summary .zh{grid-column:1}
.zh{min-width:0;overflow-wrap:anywhere}

/* NAV */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--fg)}
.mark{height:40px;flex:none;display:block}
.mark img{height:40px;width:auto;display:block}
.wordmark{font-family:var(--display);font-variation-settings:"wdth" 100;font-weight:400;letter-spacing:.22em;text-transform:uppercase;font-size:14px;line-height:1;white-space:nowrap}
.wordmark b{font-weight:800}
.wordmark small{display:block;font-family:var(--body);font-weight:400;font-size:9.5px;letter-spacing:.2em;color:var(--muted);margin-top:5px;text-transform:uppercase}
.navlinks{display:none;gap:20px;font-size:14px}
.navlinks a{text-decoration:none;color:var(--muted);white-space:nowrap;text-align:center;padding:6px 0;border-bottom:2px solid transparent}
.navlinks a:hover{color:var(--fg)}
.navlinks a.on{color:var(--fg);border-bottom-color:var(--fg)}
@media(min-width:1180px){.navlinks{display:flex}}
.nav-right{display:flex;align-items:center;gap:10px}
.proto{font-size:11.5px;letter-spacing:.02em;color:var(--muted);border:1px dashed var(--line-strong);padding:5px 8px;border-radius:2px;white-space:nowrap}
.nav .btn{padding:10px 14px;font-size:14px;white-space:nowrap}
.menu-btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-size:14px;padding:9px 12px;border:1px solid var(--line-strong);background:transparent;border-radius:2px;cursor:pointer;color:var(--fg)}
.menu-btn i{width:16px;height:2px;background:currentColor;box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;display:block}
@media(min-width:1180px){.menu-btn{display:none}}
@media(max-width:760px){.proto{display:none}.nav .btn{display:none}}
.menu{display:none;border-top:1px solid var(--line);background:var(--bg);box-shadow:0 12px 24px rgba(0,0,0,.08)}
.menu.open{display:block}
.menu .wrap{display:grid;height:auto;grid-template-columns:1fr 1fr;gap:0 24px;padding-block:8px 14px;align-items:stretch}
@media(min-width:560px){.menu .wrap{grid-template-columns:repeat(3,1fr)}}
.menu a{text-decoration:none;color:var(--fg);padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
.menu a.on{font-weight:600}
.menu a .zh{font-size:12px}

/* PAGE HEADER */
.page-head{padding-block:clamp(40px,6vw,72px) clamp(28px,4vw,48px);border-top:0}
.crumb{font-size:12.5px;color:var(--muted);margin-bottom:18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumb a{text-decoration:none;color:var(--muted);padding:6px 0;display:inline-block}
.crumb a:hover{color:var(--fg)}
.crumb .sep{opacity:.5}
.page-head .lede{margin-top:18px}
.page-head .cta-row{margin-top:26px}

/* HERO (home) */
.hero{position:relative;overflow:hidden;border-top:0;padding-block:clamp(56px,8vw,104px) 0}
.hero .wrap{display:grid;gap:44px;position:relative;z-index:2}
@media(min-width:960px){.hero .wrap{grid-template-columns:minmax(0,1.25fr) minmax(0,.9fr);align-items:center}}
.hero h1{font-size:clamp(40px,6vw,80px);line-height:1;font-weight:800;font-variation-settings:"wdth" 82;letter-spacing:-.025em}
.hero h1 em{font-style:normal;font-weight:400;font-variation-settings:"wdth" 95}
.hero h1 .zh{font-size:.48em}
.hero .lede{margin-top:22px;font-size:clamp(17px,1.6vw,20px)}
.hero .eyebrow{margin-bottom:18px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.sweep{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}
.sweep i{position:absolute;top:-20%;height:140%;width:22%;left:0;transform:translateX(-140%) skewX(-14deg);opacity:.95;animation:sweep 1.5s cubic-bezier(.7,0,.2,1) forwards}
.sweep i:nth-child(1){background:var(--r1);animation-delay:.05s}
.sweep i:nth-child(2){background:var(--r2);animation-delay:.13s}
.sweep i:nth-child(3){background:var(--r3);animation-delay:.21s}
.sweep i:nth-child(4){background:var(--r4);animation-delay:.29s}
.sweep i:nth-child(5){background:var(--r6);animation-delay:.37s}
.sweep i:nth-child(6){background:var(--r7);animation-delay:.45s}
.sweep i:nth-child(7){background:var(--r8);animation-delay:.53s}
@keyframes sweep{to{transform:translateX(600%) skewX(-14deg)}}
.hero-in{animation:rise .9s ease .5s both}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.sweep{display:none}.hero-in{animation:none}}
.paintline,footer .strip{height:8px;display:grid;grid-template-columns:repeat(7,1fr);position:relative;z-index:2}
.paintline{margin-top:clamp(56px,7vw,96px)}
.paintline b,footer .strip b{display:block}
.paintline b:nth-child(1),footer .strip b:nth-child(1){background:var(--r1)}
.paintline b:nth-child(2),footer .strip b:nth-child(2){background:var(--r2)}
.paintline b:nth-child(3),footer .strip b:nth-child(3){background:var(--r3)}
.paintline b:nth-child(4),footer .strip b:nth-child(4){background:var(--r4)}
.paintline b:nth-child(5),footer .strip b:nth-child(5){background:var(--r6)}
.paintline b:nth-child(6),footer .strip b:nth-child(6){background:var(--r7)}
.paintline b:nth-child(7),footer .strip b:nth-child(7){background:var(--r8)}
.scard{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:20px;display:grid;gap:12px;min-width:0}
.scard .k{font-weight:600;font-size:13px;color:var(--muted)}
.scard ul{list-style:none;margin:0;padding:0;display:grid}
.scard li{display:grid;grid-template-columns:26px 1fr auto;gap:12px;align-items:center;padding:9px 0;border-top:1px solid var(--line);font-size:14.5px}
.scard li span:last-child{font-size:12.5px;color:var(--muted);white-space:nowrap}
.scard .foot{font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:12px}

/* NUMBERS strip */
.numbers{border-top:1px solid var(--line);padding-block:0}
.numbers .wrap.grid4{display:grid;grid-template-columns:repeat(2,1fr)}
@media(min-width:860px){.numbers .wrap.grid4{grid-template-columns:repeat(4,1fr)}}
.num{padding:28px 20px 28px 0;border-right:1px solid var(--line)}
.num:last-child{border-right:0}
.num:nth-child(n+2){padding-left:20px}
@media(max-width:859px){.num:nth-child(2){border-right:0}.num:nth-child(3){padding-left:0}.num:nth-child(n+3){border-top:1px solid var(--line)}}
.num b{display:block;font-family:var(--display);font-size:clamp(34px,4vw,52px);font-weight:700;font-variation-settings:"wdth" 75;line-height:1;font-variant-numeric:tabular-nums}
.num b sup{font-size:.45em;vertical-align:top;margin-left:2px}
.num span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}
.num-src{font-size:12px;color:var(--muted);padding:10px 0 14px;border-top:1px solid var(--line);margin:0}
.num-src a{color:var(--fg)}

/* WHY US */
.why{display:grid;gap:24px}
@media(min-width:960px){.why{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);align-items:start}}
.cmp{background:var(--surface);border:1px solid var(--line);border-radius:4px;overflow:hidden}
.cmp .r{display:grid;grid-template-columns:1.2fr 1fr 1fr;border-top:1px solid var(--line)}
.cmp .r:first-child{border-top:0;background:var(--raise)}
.cmp .r > div{padding:12px 14px;font-size:13.5px;min-width:0}
.cmp .r > div:first-child{color:var(--muted)}
.cmp .r > div:nth-child(2){border-left:1px solid var(--line);color:var(--muted)}
.cmp .r > div:nth-child(3){border-left:1px solid var(--line);background:#f0f0ec;font-weight:500}
.cmp .h div{font-size:12.5px;font-weight:600;color:var(--muted)}
.cmp .h div:nth-child(3){color:var(--fg)}
.cmp b{font-family:var(--display);font-size:24px;font-weight:700;font-variation-settings:"wdth" 85;display:block;line-height:1;margin-bottom:3px;color:var(--fg)}
.cmp-note{font-size:12.5px;color:var(--muted);margin-top:10px}
.str{display:grid;gap:16px}
@media(min-width:600px){.str{grid-template-columns:1fr 1fr}}
.str > div{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:20px;display:grid;gap:8px;align-content:start;min-width:0}
.str .k{font-weight:600;font-size:13px;color:var(--accent)}
.str h3{font-size:18px}
.str p{font-size:14px;color:var(--muted)}
.str p a{color:var(--fg)}
.str .fact{font-family:var(--display);font-size:30px;font-weight:700;font-variation-settings:"wdth" 85;line-height:1;margin-top:6px}
.str .fact small{display:block;font-family:var(--body);font-size:12.5px;color:var(--muted);font-weight:400;margin-top:4px}
.cam{position:relative;aspect-ratio:16/9;border-radius:3px;overflow:hidden;background:#1d1b18;margin-top:6px}
.cam .scene{position:absolute;inset:0;background:linear-gradient(180deg,#3a3630 0 62%,#55493c 62% 100%)}
.cam .scene::before{content:"";position:absolute;left:12%;top:16%;width:22%;height:40%;background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.3)}
.cam .scene::after{content:"";position:absolute;right:14%;bottom:38%;width:26%;height:30%;background:#26221e;border-top:3px solid #d8d1c3}
.cam .vig{position:absolute;inset:0;background:radial-gradient(ellipse at center,transparent 55%,rgba(0,0,0,.55))}
.cam .ov{position:absolute;font-family:var(--mono);font-size:11px;color:#f1ede4;text-shadow:0 1px 2px rgba(0,0,0,.7)}
.cam .ov.tl{left:10px;top:8px;display:flex;align-items:center;gap:6px}
.cam .ov.tl::before{content:"";width:8px;height:8px;border-radius:50%;background:#e0453a;box-shadow:0 0 0 3px rgba(224,69,58,.3)}
.cam .ov.br{right:10px;bottom:8px}
.cam .ov.bl{left:10px;bottom:8px}

/* DOORS (home: two audiences) */
.doors{display:grid;gap:16px}
@media(min-width:760px){.doors{grid-template-columns:1fr 1fr}}
.door{border:1px solid var(--line);border-radius:4px;padding:26px;display:grid;gap:12px;align-content:start;background:var(--surface);border-top:4px solid var(--c)}
.door h3{font-size:22px}
.door p{font-size:14.5px;color:var(--muted)}
.door ul{margin:0;padding:0;list-style:none;display:grid;gap:5px;font-size:13.5px}
.door ul li{display:grid;grid-template-columns:12px 1fr;gap:8px}
.door ul li::before{content:"";width:6px;height:6px;background:var(--c);margin-top:7px}
.door .btn{justify-self:start;margin-top:6px}

/* Trade grid (home overview) */
.tradegrid{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
@media(min-width:960px){.tradegrid{grid-template-columns:repeat(4,1fr)}}
.tradegrid a{display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:start;padding:14px;border:1px solid var(--line);border-radius:3px;background:var(--surface);text-decoration:none;min-width:0}
.tradegrid a:hover{border-color:var(--fg)}
.tradegrid a .name{font-weight:600;font-size:14.5px}
.tradegrid a .spec{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}

/* Teaser band */
.teaser{display:grid;gap:20px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:26px}
@media(min-width:860px){.teaser{grid-template-columns:minmax(0,1fr) auto}}
.teaser h3{font-size:22px}
.teaser p{font-size:14.5px;color:var(--muted);margin-top:6px}

/* DATA */
.stats{display:grid;gap:14px}
@media(min-width:600px){.stats{grid-template-columns:1fr 1fr}}
@media(min-width:1000px){.stats{grid-template-columns:repeat(3,1fr)}}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:18px;display:grid;gap:8px;align-content:start;min-width:0}
.stat.own{border-color:var(--fg);background:#f0f0ec}
.stat b{font-family:var(--display);font-size:30px;font-weight:700;font-variation-settings:"wdth" 85;line-height:1;font-variant-numeric:tabular-nums}
.stat span{font-size:13.5px;color:var(--muted)}
.stat a,.stat .src{font-size:12px;color:var(--fg);text-decoration:none;border-top:1px solid var(--line);padding-top:8px;margin-top:auto}
.stat a:hover{text-decoration:underline}
.est{display:grid;gap:24px;margin-top:28px;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:24px}
@media(min-width:900px){.est{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr)}}
.est h3{font-size:20px;margin-bottom:6px}
.est-note{font-size:13.5px;color:var(--muted);margin-bottom:14px}
.est-grid{display:grid;gap:14px}
@media(min-width:560px){.est-grid{grid-template-columns:1fr 1fr}}
.est .field label{font-size:13px;color:var(--muted)}
.est .field input,.est .field select{font:inherit;font-size:15px;padding:10px 12px;background:var(--bg);color:var(--fg);border:1px solid var(--line-strong);border-radius:2px;width:100%;min-width:0;font-variant-numeric:tabular-nums}
.est .hint{font-size:12px;color:var(--muted)}
.est-out{display:grid;gap:14px;align-content:start;border-left:1px solid var(--line);padding-left:24px}
@media(max-width:899px){.est-out{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:18px}}
.est-out b{display:block;font-family:var(--display);font-size:36px;font-weight:700;font-variation-settings:"wdth" 85;line-height:1;font-variant-numeric:tabular-nums}
.est-out span{font-size:13px;color:var(--muted)}
.est-fine{font-size:12px;color:var(--muted)}
.sources{margin:24px 0 0;padding-left:18px;font-size:12.5px;color:var(--muted)}
@media(min-width:900px){.sources{columns:2;column-gap:32px}}
.sources li{margin-bottom:5px;break-inside:avoid}
.sources a{color:var(--fg);text-decoration:none}
.sources a:hover{text-decoration:underline}

/* OFFERS */
.offers{display:grid;gap:16px}
@media(min-width:700px){.offers{grid-template-columns:repeat(2,1fr)}}
.offer{background:var(--surface);border:1px solid var(--line);border-top:3px solid var(--c);border-radius:4px;padding:22px;display:grid;gap:12px;align-content:start;min-width:0}
.offer .k{font-weight:600;font-size:13px;color:var(--accent)}
.offer h3{font-variation-settings:"wdth" 85}
.offer p{font-size:14.5px;color:var(--muted)}
.offer .pt{font-size:13px;display:grid;gap:5px;margin:0;padding:12px 0 0;list-style:none;border-top:1px solid var(--line)}
.offer .pt li{display:grid;grid-template-columns:12px 1fr;gap:8px}
.offer .pt li::before{content:"";width:6px;height:6px;background:var(--c);margin-top:7px}

/* PROCESS */
.steps{display:grid;grid-template-columns:repeat(7,minmax(150px,1fr));gap:0;border-top:1px solid var(--line-strong);overflow-x:auto;padding-bottom:4px}
.step{background:transparent;border:0;border-right:1px solid var(--line);padding:18px 16px 18px 0;text-align:left;font:inherit;color:var(--muted);cursor:pointer;display:grid;gap:10px;align-content:start;min-width:0}
.step:nth-child(n+2){padding-left:16px}
.step:last-child{border-right:0}
.step .n{font-size:12px;color:var(--muted);font-weight:600}
.step .t{font-family:var(--display);font-weight:600;font-variation-settings:"wdth" 85;font-size:16px;line-height:1.15;color:var(--fg)}
.step .bar{height:4px;background:var(--line);opacity:.35}
.step[aria-pressed="true"] .bar{opacity:1}
.step[aria-pressed="true"]{color:var(--fg)}
.step .hp{font-size:12px}
.stepbody{display:grid;gap:24px;margin-top:28px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:4px}
@media(min-width:860px){.stepbody{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr) minmax(0,.8fr)}}
.stepbody h4{margin:0 0 10px;font-size:12.5px;color:var(--muted);font-weight:600}
.stepbody p{font-size:15px}
.stepbody ul{margin:0;padding:0;list-style:none;display:grid;gap:6px;font-size:14px}
.stepbody ul li{display:grid;grid-template-columns:14px 1fr;gap:10px}
.stepbody ul li::before{content:"";width:8px;height:8px;border:1.5px solid var(--line-strong);border-radius:1px;margin-top:6px}
.signoff{display:grid;gap:8px}
.signoff div{display:flex;justify-content:space-between;gap:10px;font-size:13.5px;padding:8px 0;border-bottom:1px solid var(--line)}
.signoff div span:last-child{font-size:12px;color:var(--muted)}
.hold{margin-top:14px;padding:12px;border-left:3px solid var(--fg);background:var(--raise);font-size:13.5px}
.hold b{font-size:12.5px;display:block;margin-bottom:4px}

/* SERVICES */
.systems{display:grid;gap:24px}
@media(min-width:960px){.systems{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:start}}
.swatches{display:grid;gap:8px}
.sw{display:grid;grid-template-columns:38px 1fr;gap:14px;align-items:center;padding:10px 12px;background:var(--surface);border:1px solid var(--line);border-radius:3px;cursor:pointer;text-align:left;font:inherit;color:inherit;min-width:0}
.sw[aria-pressed="true"]{border-color:var(--fg)}
.sw .name{font-weight:600;font-size:15px}
.sw .spec{font-size:12.5px;color:var(--muted);margin-top:2px;display:block}
.room{position:relative;aspect-ratio:4/3;border-radius:4px;overflow:hidden;border:1px solid var(--line);background:#2a2622}
.room .w{position:absolute;inset:0 0 28% 0;background:var(--wall);transition:background .35s}
.room .w::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.18),transparent 30%,transparent 70%,rgba(0,0,0,.12))}
.room .ceil{position:absolute;left:0;right:0;top:0;height:7%;background:#efece6;border-bottom:1px solid rgba(0,0,0,.08)}
.room .light{position:absolute;left:50%;top:7%;width:16%;height:2.5%;transform:translateX(-50%);background:#fff6d8;box-shadow:0 12px 40px 12px rgba(255,240,200,.35)}
.room .floor{position:absolute;left:0;right:0;bottom:0;height:28%;background:repeating-linear-gradient(90deg,#8a7a66 0 60px,#7d6e5b 60px 61px)}
.room .skirt{position:absolute;left:0;right:0;bottom:28%;height:2.5%;background:#f1ede4}
.room .win{position:absolute;left:10%;top:14%;width:26%;height:44%;background:linear-gradient(180deg,#9fb6c9,#d9e4ec);border:6px solid #f1ede4;box-shadow:0 20px 40px rgba(0,0,0,.25)}
.room .cab{position:absolute;left:40%;bottom:28%;width:28%;height:26%;background:#2e2a26;border-top:5px solid #f1ede4;background-image:repeating-linear-gradient(90deg,transparent 0 32%,rgba(255,255,255,.14) 32% 34%)}
.room .door{position:absolute;right:12%;top:12%;width:16%;height:60%;border:6px solid #f1ede4;background:#1b1a17}
.room .label{position:absolute;left:14px;bottom:12px;font-size:12px;letter-spacing:.02em;color:#f1ede4;background:rgba(0,0,0,.45);padding:5px 8px;border-radius:2px}
.room .hl{outline:3px solid #ffffff;outline-offset:-3px;box-shadow:0 0 0 6px rgba(255,255,255,.35)}
.sysnote{font-size:13.5px;color:var(--muted);margin-top:12px}
.values{display:grid;gap:0;border-top:1px solid var(--line-strong)}
.values > div{display:grid;grid-template-columns:40px 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.values .k{font-size:13px;color:var(--fg);padding-top:3px;font-weight:600}
.values h3{font-size:17px;margin-bottom:4px}
.values p{font-size:14px;color:var(--muted)}

/* BEFORE / AFTER */
.ba{position:relative;aspect-ratio:16/9;max-width:100%;border-radius:4px;overflow:hidden;border:1px solid var(--line);background:#2a2622;user-select:none}
.ba .scene{position:absolute;inset:0}
.ba .scene .w{position:absolute;inset:0 0 30% 0}
.ba .scene .fl{position:absolute;left:0;right:0;bottom:0;height:30%}
.ba .before .w{background:#8d8a83;background-image:linear-gradient(90deg,rgba(0,0,0,.12),transparent 40%),repeating-linear-gradient(0deg,transparent 0 38px,rgba(0,0,0,.08) 38px 40px)}
.ba .before .fl{background:#6e6a62}
.ba .before .crack{position:absolute;left:58%;top:12%;width:2px;height:34%;background:#55524c;transform:rotate(8deg)}
.ba .before .patch{position:absolute;left:22%;top:30%;width:16%;height:22%;background:#a6a39b;border-radius:40% 60% 50% 50%}
.ba .after .w{background:#ece7da;background-image:linear-gradient(90deg,rgba(0,0,0,.1),transparent 35%,transparent 70%,rgba(0,0,0,.08))}
.ba .after .fl{background:repeating-linear-gradient(90deg,#8a7a66 0 70px,#7d6e5b 70px 71px)}
.ba .after .skirt{position:absolute;left:0;right:0;bottom:30%;height:2.5%;background:#ffffff}
.ba .after .cab{position:absolute;left:8%;bottom:30%;width:40%;height:28%;background:#2b2724;border-top:5px solid #ffffff;background-image:repeating-linear-gradient(90deg,transparent 0 24%,rgba(255,255,255,.12) 24% 25%)}
.ba .after .win{position:absolute;right:12%;top:12%;width:24%;height:44%;background:linear-gradient(180deg,#9fb6c9,#d9e4ec);border:6px solid #ffffff}
.ba .after{clip-path:inset(0 0 0 var(--x,50%))}
.ba .handle{position:absolute;top:0;bottom:0;left:var(--x,50%);width:2px;background:#ffffff;transform:translateX(-1px);pointer-events:none}
.ba .handle::after{content:"";position:absolute;top:50%;left:50%;width:40px;height:40px;border-radius:50%;background:#ffffff;transform:translate(-50%,-50%);box-shadow:0 2px 10px rgba(0,0,0,.4);background-image:linear-gradient(90deg,transparent 0 30%,#161616 30% 36%,transparent 36% 64%,#161616 64% 70%,transparent 70%)}
.ba input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;margin:0}
.ba .tag{position:absolute;bottom:12px;font-size:12px;letter-spacing:.02em;color:#ffffff;background:rgba(0,0,0,.5);padding:5px 8px;border-radius:2px;pointer-events:none}
.ba .tag.l{left:12px}.ba .tag.r{right:12px}
.ba-note{font-size:13.5px;color:var(--muted);margin-top:12px}

/* VIDEO REELS (portrait phone clips) */
.reel{display:grid;gap:14px;grid-template-columns:repeat(2,1fr)}
@media(min-width:760px){.reel{grid-template-columns:repeat(4,1fr)}}
.reel figure{margin:0;position:relative;aspect-ratio:9/16;border-radius:8px;overflow:hidden;background:#111;border:1px solid var(--line)}
.reel video{width:100%;height:100%;object-fit:cover;display:block}
.reel figcaption{position:absolute;left:0;right:0;bottom:0;padding:28px 12px 12px;background:linear-gradient(transparent,rgba(0,0,0,.65));color:#fff;font-size:13px;font-weight:500}
.reel figcaption .zh{color:rgba(255,255,255,.85)}
.reel .lbl{position:absolute;top:10px;left:10px;font-size:11px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;padding:4px 8px;border-radius:2px;background:#fff;color:#161616}
.reel .lbl.before{background:#161616;color:#fff}
.reel-note{font-size:13px;color:var(--muted);margin-top:12px}
.case .img.photo{background-size:cover;background-position:center}
.case .img.photo::before,.case .img.photo::after{display:none}

/* PHOTOS */
.gallery{display:grid;gap:10px;grid-template-columns:repeat(2,1fr)}
@media(min-width:760px){.gallery{grid-template-columns:repeat(4,1fr)}}
.gallery figure{margin:0;position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:4px;background:#eee;border:1px solid var(--line)}
.gallery img{width:100%;height:100%;object-fit:cover;display:block}
.gallery figcaption{position:absolute;left:0;right:0;bottom:0;padding:22px 10px 8px;background:linear-gradient(transparent,rgba(0,0,0,.62));color:#fff;font-size:12px}
.gallery figcaption .zh{color:rgba(255,255,255,.85);display:inline;margin-left:.4em;margin-top:0}
.gallery.tall figure{aspect-ratio:3/4}
.door .photo{aspect-ratio:16/9;overflow:hidden;margin:-26px -26px 8px;border-bottom:1px solid var(--line)}
.door .photo img{width:100%;height:100%;object-fit:cover;display:block}
.tradephoto{margin-top:12px;aspect-ratio:4/3;border-radius:4px;overflow:hidden;border:1px solid var(--line);background:#eee;position:relative}
.tradephoto img{width:100%;height:100%;object-fit:cover;display:block}
.tradephoto .cap{position:absolute;left:10px;bottom:8px;font-size:12px;color:#fff;background:rgba(0,0,0,.5);padding:4px 8px;border-radius:2px}
.ba.photo{aspect-ratio:3/4;max-width:520px}
.ba.photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba.photo img.after{clip-path:inset(0 0 0 var(--x,50%))}
.pano .strip div.ph{background-size:cover;background-position:center}
.pano .strip div.ph::before{display:none}
.evid{margin-top:10px;aspect-ratio:16/10;border-radius:3px;overflow:hidden;border:1px solid var(--line)}
.evid img{width:100%;height:100%;object-fit:cover;display:block}
.strip3{display:grid;gap:10px;grid-template-columns:repeat(3,1fr);margin-top:28px}
.strip3 figure{margin:0;aspect-ratio:3/4;overflow:hidden;border-radius:4px;border:1px solid var(--line)}
.strip3 img{width:100%;height:100%;object-fit:cover;display:block}

/* PROJECTS */
.cases{display:grid;gap:16px}
@media(min-width:860px){.cases{grid-template-columns:repeat(3,1fr)}}
.case{background:var(--surface);border:1px solid var(--line);border-radius:4px;overflow:hidden;display:grid;grid-template-rows:auto 1fr}
.case .img{aspect-ratio:16/10;position:relative;background:var(--c1)}
.case .img::before{content:"";position:absolute;inset:auto 0 0 0;height:34%;background:var(--c2)}
.case .img::after{content:"";position:absolute;left:8%;top:14%;width:34%;height:48%;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3)}
.case .body{padding:18px;display:grid;gap:12px;align-content:start}
.case .type{font-size:12.5px;color:var(--muted);font-weight:600}
.case h3{font-variation-settings:"wdth" 85}
.case p{font-size:14px;color:var(--muted)}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.facts b{display:block;font-family:var(--display);font-size:20px;font-weight:700;font-variation-settings:"wdth" 80;line-height:1;font-variant-numeric:tabular-nums}
.facts span{font-size:11.5px;color:var(--muted)}
.facts.text{grid-template-columns:1fr;gap:6px}
.facts.text div{display:grid;grid-template-columns:10px 1fr;gap:8px;font-size:13px;color:var(--fg)}
.facts.text div::before{content:"";width:6px;height:6px;background:var(--fg);margin-top:7px}
.feature{display:grid;gap:24px;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:26px;margin-bottom:24px}
@media(min-width:860px){.feature{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center}}
.feature .big{font-family:var(--display);font-size:clamp(48px,7vw,88px);font-weight:800;font-variation-settings:"wdth" 80;line-height:1;letter-spacing:-.02em}
.feature .big small{display:block;font-family:var(--body);font-size:14px;font-weight:400;color:var(--muted);letter-spacing:0;margin-top:8px}
.feature p{font-size:15px;color:var(--muted)}

/* SHOWROOM */
.showroom{display:grid;gap:24px}
@media(min-width:960px){.showroom{grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);align-items:start}}
.pano{position:relative;aspect-ratio:16/9;border-radius:4px;overflow:hidden;border:1px solid var(--line);background:#2a2622}
.pano .strip{position:absolute;top:0;bottom:0;left:0;width:300%;transform:translateX(calc(var(--p,.5) * -66.66%));transition:transform .08s linear;display:grid;grid-template-columns:repeat(6,1fr)}
.pano .strip div{position:relative;border-right:1px solid rgba(0,0,0,.25)}
.pano .strip div::after{content:attr(data-l) " · " attr(data-lzh);position:absolute;left:14px;bottom:14px;font-size:12px;letter-spacing:.02em;color:#ffffff;background:rgba(0,0,0,.45);padding:5px 8px;border-radius:2px}
.pano .strip div::before{content:"";position:absolute;left:0;right:0;bottom:0;height:30%;background:repeating-linear-gradient(90deg,#8a7a66 0 70px,#7d6e5b 70px 71px)}
.pano input[type=range]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:grab;margin:0}
.pano .badge{position:absolute;top:12px;left:12px;font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.06em;color:#161616;background:#ffffff;padding:6px 10px;border-radius:2px;pointer-events:none}
.pano .hint{position:absolute;top:12px;right:12px;font-size:12px;color:#ffffff;background:rgba(0,0,0,.45);padding:5px 8px;border-radius:2px;pointer-events:none}
.zones{display:grid;gap:0;border-top:1px solid var(--line-strong)}
.zones > div{display:grid;grid-template-columns:38px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.zones > div > div{min-width:0}
.zones h3{font-size:16px;margin-bottom:3px}
.zones p{font-size:13.5px;color:var(--muted)}
.logowall{margin-top:24px}
.logowall .k{font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:10px}
.logos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.showroom > *{min-width:0}
.pano{max-width:100%}
@media(min-width:560px){.logos{grid-template-columns:repeat(6,1fr)}}
.logos span{min-width:0;overflow-wrap:anywhere;aspect-ratio:2/1;border:1px dashed var(--line-strong);border-radius:2px;display:grid;place-items:center;font-size:10.5px;color:var(--muted);text-align:center;padding:4px}

/* HOMEOWNERS */
.home{display:grid;gap:16px}
@media(min-width:860px){.home{grid-template-columns:repeat(4,1fr)}}
.home > div{padding:18px;border:1px solid var(--line);border-radius:4px;background:var(--surface);display:grid;gap:8px;align-content:start;min-width:0}
.home .k{font-weight:600;font-size:13px;color:var(--accent)}
.home h3{font-size:17px}
.home p{font-size:14px;color:var(--muted)}
.journey{display:grid;gap:0;border-top:1px solid var(--line-strong)}
@media(min-width:760px){.journey{grid-template-columns:repeat(4,1fr)}}
.journey > div{padding:18px 16px 18px 0;border-bottom:1px solid var(--line);display:grid;gap:8px;align-content:start}
@media(min-width:760px){.journey > div{border-bottom:0;border-right:1px solid var(--line)}.journey > div:nth-child(n+2){padding-left:16px}.journey > div:last-child{border-right:0}}
.journey .n{display:flex;align-items:center;gap:10px;font-family:var(--display);font-size:28px;font-weight:700;line-height:1;color:var(--c)}
.journey h3{font-size:16px}
.journey p{font-size:13.5px;color:var(--muted)}

/* ABOUT */
.about{display:grid;gap:32px}
@media(min-width:960px){.about{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}}
.about .big{font-family:var(--display);font-size:clamp(22px,2.4vw,30px);font-weight:500;line-height:1.3;font-variation-settings:"wdth" 90}
.about .big em{font-style:normal;font-weight:700}
.origin{margin-top:28px;padding:18px;border:1px dashed var(--line-strong);border-radius:3px;font-size:14px;color:var(--muted)}
.origin b{color:var(--fg);font-weight:600}
.team{display:grid;gap:16px}
@media(min-width:700px){.team{grid-template-columns:repeat(3,1fr)}}
.team > div{border:1px solid var(--line);border-radius:4px;background:var(--surface);padding:18px;display:grid;gap:8px}
.team .ph{aspect-ratio:1;border-radius:3px;background:#e4e3de;display:grid;place-items:center;align-content:center;gap:6px;color:var(--muted);font-size:12px}
.team .ph .ic{background:transparent;border:0;color:var(--muted);width:48px;height:48px}
.team .ph .ic svg{width:32px;height:32px}
.team h3{font-size:16px}
.team p{font-size:13.5px;color:var(--muted)}

/* FAQ */
.faq{display:grid;gap:0;border-top:1px solid var(--line-strong);max-width:860px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:grid;grid-template-columns:1fr 24px;gap:12px;align-items:center;padding:16px 0;font-family:var(--display);font-weight:600;font-size:17px;font-variation-settings:"wdth" 90}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);color:var(--muted);text-align:right;font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 16px;font-size:14.5px;color:var(--muted);max-width:65ch}

/* CONTACT */
.contact{display:grid;gap:32px}
@media(min-width:960px){.contact{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}}
.form{display:grid;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:22px}
.row{display:grid;gap:14px}
.contact > *,.form > *,.row > *{min-width:0}
.field select{max-width:100%}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13px;color:var(--muted)}
.field input,.field select,.field textarea{font:inherit;font-size:16px;padding:12px 12px;background:var(--bg);color:var(--fg);border:1px solid var(--line-strong);border-radius:2px;width:100%;min-width:0}
.field textarea{min-height:96px;resize:vertical}
.form .fine{font-size:12.5px;color:var(--muted)}
.ok-msg{display:none;padding:14px;border-left:3px solid var(--ok);background:var(--raise);font-size:14px}
.ok-msg.on{display:block}
.reach{display:grid;gap:18px;align-content:start}
.reach > div{display:grid;gap:4px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.reach .k{font-size:12.5px;font-weight:600;color:var(--muted);display:flex;align-items:center;gap:6px}
.map{display:flex;align-items:center;justify-content:center;gap:8px}
footer .col span{display:flex;align-items:center;gap:6px;padding:3px 0}
.reach .v{font-size:17px;font-weight:500}
.reach .v small{display:block;font-size:12.5px;color:var(--muted);font-weight:400}
.seg{display:inline-grid;grid-template-columns:1fr 1fr;border:1px solid var(--line-strong);border-radius:2px;overflow:hidden}
.seg button{font:inherit;font-size:14px;padding:11px 16px;background:transparent;color:var(--muted);border:0;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--fg);color:var(--bg)}
.map{aspect-ratio:16/7;border:1px dashed var(--line-strong);border-radius:4px;display:grid;place-items:center;color:var(--muted);font-size:13px;margin-top:24px;background:var(--surface)}

/* NEXT links at page end */
.next{display:grid;gap:12px}
@media(min-width:700px){.next{grid-template-columns:1fr 1fr}}
.next a{display:grid;grid-template-columns:1fr auto;gap:4px 16px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:4px;text-decoration:none;background:var(--surface)}
.next a:hover{border-color:var(--fg)}
.next a .ic{grid-column:2;grid-row:1/3}
.next a .k,.next a .t{grid-column:1}
.next a .k{font-size:12.5px;color:var(--muted)}
.next a .t{font-family:var(--display);font-weight:600;font-size:18px}

/* Skip link, legal prose, WhatsApp button, consent notice */
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--fg);color:#fff;padding:10px 14px;border-radius:2px;text-decoration:none}
.skip:focus{left:16px}
.prose{max-width:760px}
.prose h2{font-size:22px;margin:32px 0 10px}
.prose h2:first-child{margin-top:0}
.prose p{font-size:15px;margin-bottom:12px}
.prose ul{margin:0 0 12px;padding-left:20px;font-size:15px}
.prose li{margin-bottom:4px}
.prose a{color:var(--fg)}
.wa-fab{position:fixed;right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:35;display:inline-flex;align-items:center;gap:10px;padding:8px 14px 8px 8px;background:#25D366;color:#fff;border-radius:999px;text-decoration:none;font-weight:600;font-size:14px;box-shadow:0 6px 20px rgba(0,0,0,.18)}
.wa-fab .ic{background:transparent;border:0;color:#fff;width:32px;height:32px}
.wa-fab .ic svg{width:24px;height:24px}
.wa-fab .t .zh{display:none}
@media(max-width:600px){.wa-fab .t{display:none}.wa-fab{padding:8px}}
.consent{position:fixed;left:max(16px,env(safe-area-inset-left,0px));right:max(16px,env(safe-area-inset-right,0px));bottom:max(16px,env(safe-area-inset-bottom,0px));z-index:36;max-width:560px;margin:0 auto;background:var(--bg);border:1px solid var(--line-strong);border-radius:6px;padding:16px;box-shadow:0 12px 32px rgba(0,0,0,.14);display:grid;gap:12px}
.consent p{font-size:13.5px;color:var(--muted)}
.consent p a{color:var(--fg)}
.consent-btns{display:flex;gap:8px;flex-wrap:wrap}
.consent-btns .btn{padding:11px 14px;font-size:14px}
.hp{position:absolute;left:-9999px;top:-9999px;height:0;width:0;overflow:hidden}
footer .legal-links{display:flex;gap:16px}
footer .legal-links a{color:var(--muted);text-decoration:none;padding:8px 0;display:inline-block}
footer .legal-links a:hover{color:var(--fg)}
footer .col a{text-decoration:none;color:var(--muted)}
footer .col span a{padding:0}

/* FOOTER */
footer{border-top:1px solid var(--line);padding-block:28px 40px}
footer .strip{width:100%;margin-bottom:24px}
footer .cols{display:grid;gap:24px;font-size:13.5px;color:var(--muted)}
@media(min-width:760px){footer .cols{grid-template-columns:220px 1fr 1fr 1fr;align-items:start}}
footer .lockup{width:200px;max-width:100%;height:auto;display:block}
footer .col h4{margin:0 0 8px;font-size:12.5px;color:var(--fg);font-weight:600}
footer .col a{display:block;text-decoration:none;color:var(--muted);padding:6px 0}
footer .col a:hover{color:var(--fg)}
footer .legal{margin-top:24px;padding-top:16px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between}

/* UI rules: links in running text look like links; inline field errors; sending state */
.stat a,.sources a,.prose a,.feature p a,.faq .a a,.fine a,.consent p a{color:var(--fg);text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--line-strong)}
.stat a:hover,.sources a:hover,.prose a:hover,.feature p a:hover,.faq .a a:hover,.fine a:hover,.consent p a:hover{text-decoration-color:var(--fg)}
.err{font-size:13px;color:var(--bad);display:block}
.err .zh{color:var(--bad)}
.field [aria-invalid="true"]{border-color:var(--bad);box-shadow:0 0 0 1px var(--bad) inset}
.btn[disabled]{opacity:.6;cursor:progress}