@charset "UTF-8";
/* ==========================================================================
   LUMINE 3.1 — 賢御實業官網視覺層
   主題：塗層剖面實驗室（Coating Cross-Section Lab）
   三種塗料 = 三層功能塗層；材料科學 + AI 科技；只用本地資源。
   本檔案最後加載，用於覆蓋 redesign.css / holding.css 的視覺層。
   設計簡報：qa/redesign-3.1/design-brief.md
   ========================================================================== */

:root{
  /* 墨色底 */
  --ink-0:#06090C;
  --ink-1:#0A1014;
  --ink-2:#11181E;
  --ink-3:#1A232B;
  /* 技術樣品紙（全站唯一淺色帶） */
  --paper:#EDE7DA;
  --paper-2:#F6F2E9;
  --ink-on-paper:#161B1D;
  /* 品牌與材料色 */
  --brass:#C8A96E;
  --impact:#E8A85C;
  --fire:#5FD6C0;
  --thermal:#A9CBEA;
  --thermal-heat:#F07A4A;
  --data:#8FD8E8;
  /* 文字 */
  --text:#E9E6DF;
  --text-strong:#F4F1EA;
  --muted:#9AA7AE;
  --faint:#71808A;
  --line:rgba(233,230,223,.10);
  --line-strong:rgba(233,230,223,.20);
  /* 字體 */
  --font-display:"Noto Serif SC","Songti SC","SimSun",serif;
  --font-body:"Noto Sans SC","Microsoft YaHei UI","Segoe UI",system-ui,sans-serif;
  --font-mono:"Cascadia Mono","Consolas",monospace;
  --wrap:min(1280px,calc(100% - 96px));
  --ease:cubic-bezier(.22,.61,.36,1);
}

/* ---------- 基礎 ---------- */
html{scroll-behavior:smooth;scroll-padding-top:96px;background:var(--ink-0)}
body{
  margin:0;background:var(--ink-0);color:var(--text);
  font-family:var(--font-body);font-weight:300;font-size:16px;line-height:1.8;
  letter-spacing:.005em;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 40% at 78% 4%,rgba(232,168,92,.07),transparent 70%),
    radial-gradient(ellipse 50% 40% at 12% 22%,rgba(95,214,192,.045),transparent 70%),
    radial-gradient(ellipse 70% 50% at 55% 108%,rgba(169,203,234,.05),transparent 70%);
}
main{position:relative;z-index:1}
a{color:inherit;text-decoration:none}
button{color:inherit;cursor:pointer}
img{max-width:100%;display:block}
h1,h2,h3,h4,p,dl,dd,dt,figure{margin:0}
h1,h2,h3,h4{color:var(--text-strong);font-family:var(--font-display);font-weight:300;letter-spacing:0}
h1,h2{text-wrap:balance}
h1{font-size:clamp(34px,3.8vw,56px);line-height:1.18}
h2{font-size:clamp(30px,3.1vw,50px);line-height:1.26;letter-spacing:.005em}
h3{font-size:24px;line-height:1.4;font-weight:400}
p{color:var(--muted)}
small{font-size:11px}
::selection{background:var(--brass);color:var(--ink-0)}
*:focus-visible{outline:2px solid var(--brass);outline-offset:4px;border-radius:2px}
[hidden]{display:none!important}
.wrap{width:var(--wrap);margin-inline:auto;position:relative}

/* 小標籤：不用全大寫英文 eyebrow，用中文小標 + 短線 */
.eyebrow,.sec-kicker{
  display:flex;align-items:center;gap:10px;
  font-family:var(--font-body);font-size:11px;font-weight:400;
  letter-spacing:.14em;color:var(--brass);margin:0 0 20px;
}
.eyebrow::before,.sec-kicker::before{
  content:"";width:22px;height:1px;background:var(--brass);opacity:.65;flex:0 0 auto;
}
.section-note{font-size:12px;line-height:1.9;color:var(--faint);margin-top:26px;max-width:78ch;border-left:1px solid var(--line-strong);padding-left:14px}
.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:56px;margin-bottom:56px}
.section-heading>p,.section-heading>div:last-child>p{max-width:36ch;font-size:14px;line-height:1.95;color:var(--muted)}
.section-heading .section-note{margin-top:16px}
.section-intro{max-width:none}
.section-intro>p:last-child{font-size:14px;max-width:34ch;margin-top:22px}

/* ---------- 按鈕 ---------- */
.button{
  display:inline-flex;align-items:center;gap:26px;justify-content:space-between;
  min-height:52px;padding:14px 20px;border-radius:2px;border:1px solid transparent;
  font-family:var(--font-body);font-size:13px;font-weight:500;letter-spacing:.04em;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s,transform .25s;
}
.button span{font-size:17px;line-height:1}
.primary{background:var(--paper);color:var(--ink-0);border-color:var(--paper)}
.primary:hover{background:var(--brass);border-color:var(--brass);color:var(--ink-0);transform:translateY(-1px)}
.outline{border-color:var(--line-strong);background:transparent;color:var(--text)}
.outline:hover{background:rgba(233,230,223,.06);border-color:var(--brass)}
.text-link{display:inline-flex;align-items:center;gap:18px;font-size:13px;letter-spacing:.03em;color:var(--text);white-space:nowrap;transition:color .2s}
.text-link span{color:var(--brass);font-size:15px}
.text-link:hover{color:var(--brass)}
.skip{position:fixed;left:20px;top:-90px;z-index:100;background:var(--paper);color:var(--ink-0);padding:12px 18px;border-radius:2px}
.skip:focus{top:16px}

/* ---------- 頁首 ---------- */
.site-header{
  height:82px;position:fixed;top:0;left:0;right:0;z-index:60;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:0 clamp(20px,4.4vw,64px);
  background:linear-gradient(180deg,rgba(6,9,12,.72),rgba(6,9,12,0));
  border:0;backdrop-filter:none;-webkit-backdrop-filter:none;
  transition:height .35s var(--ease),background .35s,border-color .35s,backdrop-filter .35s;
}
.site-header.scrolled{
  height:66px;background:rgba(6,9,12,.86);border-bottom:1px solid var(--line);
  backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);
}
.site-header:after{display:none}
.brand{display:flex;align-items:center;gap:13px;font-family:var(--font-display);font-weight:400;font-size:19px;letter-spacing:.06em;line-height:1.25;color:var(--text-strong)}
.brand-mark{
  width:40px;height:40px;display:grid;place-items:center;flex:0 0 auto;
  font-family:var(--font-display);font-size:21px;font-weight:500;line-height:1;
  color:var(--brass);border:1px solid rgba(200,169,110,.5);border-radius:1px;
  background:linear-gradient(150deg,rgba(200,169,110,.10),rgba(200,169,110,.02));
  box-shadow:inset 0 0 0 3px var(--ink-0),inset 0 0 0 4px rgba(200,169,110,.18);
  transform:none;letter-spacing:0;padding:0;
}
.brand-name{display:flex;flex-direction:column;gap:3px}
.brand small{font-family:var(--font-body);font-size:9px;font-weight:300;letter-spacing:.22em;color:var(--muted);margin:0}
.site-header nav{display:flex;align-items:center;gap:clamp(14px,2vw,30px)}
.site-header nav>a{font-size:12.5px;letter-spacing:.05em;color:var(--muted);transition:color .2s;white-space:nowrap}
.site-header nav>a:hover,.site-header nav>a.current{color:var(--text-strong)}
.site-header nav .nav-contact{
  display:inline-flex;align-items:center;gap:18px;padding:10px 16px;
  border:1px solid rgba(200,169,110,.42);border-radius:2px;color:var(--text-strong);font-size:12px;
  transition:background .25s,border-color .25s;
}
.site-header nav .nav-contact:hover{background:rgba(200,169,110,.12);border-color:var(--brass)}
.site-header nav .nav-contact span{color:var(--brass);font-size:13px}
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:6px;width:44px;height:44px;border:1px solid var(--line-strong);background:rgba(233,230,223,.03);border-radius:2px}
.menu-toggle span{width:18px;height:1px;background:var(--text);margin-inline:auto;transition:transform .3s,opacity .3s}

/* ---------- HERO ---------- */
.hero{
  position:relative;min-height:100svh;height:auto;max-height:none;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding-top:clamp(104px,13vh,150px);
  background:var(--ink-0);isolation:isolate;overflow:hidden;
}
.hero:before,.hero:after{display:none}
.hero-bg{position:absolute;inset:0;z-index:-1;overflow:hidden;pointer-events:none}
.hero-bg .glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.glow-a{width:56vw;height:56vw;right:-12vw;top:-14vw;background:radial-gradient(circle at 45% 45%,rgba(232,168,92,.34),rgba(232,168,92,0) 62%)}
.glow-b{width:40vw;height:40vw;left:-10vw;bottom:-14vw;background:radial-gradient(circle at 50% 50%,rgba(95,214,192,.20),rgba(95,214,192,0) 62%)}
.glow-c{width:46vw;height:46vw;left:34vw;top:18vh;background:radial-gradient(circle at 50% 50%,rgba(169,203,234,.16),rgba(169,203,234,0) 65%)}
.hero-bg .grain{
  position:absolute;inset:0;opacity:.5;mix-blend-mode:overlay;
  background-image:radial-gradient(rgba(233,230,223,.16) .6px,transparent .6px);
  background-size:3px 3px;
  mask-image:radial-gradient(ellipse 70% 60% at 55% 45%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 55% 45%,#000 0%,transparent 72%);
}
/* 剖面分層線：全站母題 */
.hero-bg::before{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(0deg,rgba(233,230,223,.055) 0 1px,transparent 1px 104px);
  mask-image:radial-gradient(ellipse 82% 72% at 62% 42%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 82% 72% at 62% 42%,#000 0%,transparent 78%);
}
.hero-grid{
  flex:1 1 auto;display:grid;grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  align-items:center;gap:clamp(28px,4.4vw,80px);
  padding-bottom:clamp(20px,3.4vh,52px);
}
.hero-copy{max-width:640px}
.hero-meta{display:flex;align-items:center;gap:14px;margin-bottom:clamp(24px,4vh,44px);color:var(--text-strong);font-size:13.5px;letter-spacing:.06em}
.hero-meta>span:last-child,.hero-meta .hero-positioning{display:flex;flex-direction:column;gap:2px;line-height:1.5}
.hero-meta small{font-size:10px;letter-spacing:.1em;color:var(--faint);font-weight:300}
.hero-meta .seal{
  width:34px;height:34px;display:grid;place-items:center;flex:0 0 auto;
  font-family:var(--font-display);font-size:17px;color:var(--brass);
  border:1px solid rgba(200,169,110,.5);border-radius:1px;
  background:linear-gradient(150deg,rgba(200,169,110,.12),rgba(200,169,110,.02));
}
.hero h1{
  font-size:clamp(34px,3.8vw,56px);line-height:1.2;letter-spacing:.01em;
  font-weight:300;color:var(--text-strong);text-wrap:balance;
}
.hero-intro{margin-top:clamp(22px,3vh,32px);font-size:15.5px;line-height:1.95;color:#AEB9BE;max-width:52ch;letter-spacing:.01em}
.hero-actions{display:flex;align-items:center;gap:clamp(20px,2.6vw,38px);margin-top:clamp(26px,3.6vh,40px);flex-wrap:wrap}
.hero-actions .button{min-width:168px}
.hero-visual{position:relative;margin:0;display:flex;flex-direction:column;align-items:flex-end;gap:14px;min-width:0}
.hero-visual .specimen-hero{width:100%;max-width:640px;margin-left:auto}
.hero-visual figcaption{
  display:flex;justify-content:space-between;gap:18px;width:100%;max-width:640px;margin-left:auto;
  padding-top:12px;border-top:1px solid var(--line);font-size:10.5px;letter-spacing:.04em;color:var(--faint);
}
.hero-visual figcaption span:last-child{color:var(--muted);text-align:right}

/* 三層圖例 */
.hero-legend{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  border-top:1px solid var(--line-strong);
}
.legend-row{
  display:grid;grid-template-columns:auto auto auto 1fr auto;align-items:center;gap:12px;
  padding:18px clamp(10px,1.6vw,26px) 18px 0;border-right:1px solid var(--line);
  transition:background .3s var(--ease);
}
.legend-row:last-child{border-right:0}
.legend-row:hover{background:linear-gradient(180deg,rgba(233,230,223,.045),transparent)}
.legend-swatch{width:24px;height:2px;background:var(--accent,var(--brass));box-shadow:0 0 12px color-mix(in srgb,var(--accent,#C8A96E) 55%,transparent)}
.legend-code{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--faint)}
.legend-name{font-family:var(--font-display);font-size:15px;letter-spacing:.02em;color:var(--text-strong);white-space:nowrap}
.legend-desc{font-size:10.5px;letter-spacing:.03em;color:var(--faint);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.legend-arrow{font-size:13px;color:var(--faint);transition:transform .25s var(--ease),color .25s}
.legend-row:hover .legend-arrow{transform:translate(2px,-2px);color:var(--accent,var(--brass))}
.legend-row:hover .legend-name{color:var(--accent,var(--brass))}
[data-accent="impact"]{--accent:var(--impact)}
[data-accent="fire"]{--accent:var(--fire)}
[data-accent="thermal"]{--accent:var(--thermal)}

.hero-foot{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  border-top:1px solid var(--line);padding:15px 0 18px;
  font-size:10.5px;letter-spacing:.1em;color:var(--faint);
}
.hero-foot .scroll-cue{display:inline-flex;align-items:center;gap:10px;color:var(--muted);letter-spacing:.06em;transition:color .2s}
.hero-foot .scroll-cue span{color:var(--brass);animation:cue 2.6s var(--ease) infinite}
.hero-foot .scroll-cue:hover{color:var(--text-strong)}
@keyframes cue{0%,100%{transform:translateY(0);opacity:.55}50%{transform:translateY(4px);opacity:1}}

/* ---------- 通用分區 ---------- */
main>section:not(.hero){position:relative}
.business{padding-block:clamp(76px,8.4vw,124px);display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:clamp(40px,6vw,100px);align-items:start}
.business .section-intro p:last-child{font-size:14px;max-width:32ch;margin-top:22px}
.business-options{display:flex;flex-direction:column;border-top:1px solid var(--line-strong)}
.business-row{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:clamp(22px,2.6vw,32px) 0;border-bottom:1px solid var(--line);
  transition:padding-left .35s var(--ease),border-color .35s;
}
.business-row h3{font-family:var(--font-display);font-size:clamp(20px,2vw,26px);font-weight:400;margin-bottom:8px;transition:color .25s}
.business-row p{font-size:13px;line-height:1.85;color:var(--muted);max-width:48ch}
.business-row .row-arrow{font-size:19px;color:var(--faint);transition:transform .3s var(--ease),color .3s}
.business-row:hover{padding-left:12px}
.business-row:hover h3{color:var(--brass)}
.business-row:hover .row-arrow{transform:translate(3px,-3px);color:var(--brass)}
.business-row.ai .row-arrow{color:var(--data)}
.business .positioning{
  grid-column:1 / -1;margin-top:clamp(18px,2.4vw,30px);padding-top:18px;border-top:1px solid var(--line);
  font-size:12px;line-height:1.95;color:var(--faint);max-width:none;
}

/* ---------- 三種塗料 ---------- */
.coatings{
  padding-block:clamp(80px,9vw,140px);
  background:linear-gradient(180deg,var(--ink-0) 0%,var(--ink-1) 22%,var(--ink-1) 100%);
  border-top:1px solid var(--line);
}
.coatings .sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:56px;margin-bottom:clamp(40px,5vw,70px)}
.coatings .sec-head>div{flex:1 1 auto;min-width:0}
.coatings .sec-head>p{flex:0 0 auto;width:clamp(260px,29vw,380px);max-width:36ch;font-size:14px;line-height:1.95;color:var(--muted)}
.coat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,34px)}
.coat-plate{
  position:relative;display:flex;flex-direction:column;min-width:0;
  border-top:1px solid var(--line-strong);padding-top:16px;
}
.coat-plate::after{
  content:"";position:absolute;top:-1px;left:0;width:38%;height:1px;
  background:linear-gradient(90deg,var(--accent,var(--brass)),transparent);
  opacity:.85;transition:width .45s var(--ease);
}
.coat-plate:hover::after{width:100%}
.plate-head{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding-bottom:16px}
.plate-code{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--accent,var(--brass))}
.plate-status{font-size:10.5px;letter-spacing:.02em;color:var(--faint);text-align:right}
.plate-art{
  position:relative;width:100%;overflow:hidden;border-radius:1px;
  border:1px solid var(--line);background:var(--ink-2);
  box-shadow:0 20px 50px -30px rgba(0,0,0,.9);
}
.plate-art .specimen{width:100%}
.plate-body{padding-top:22px;display:flex;flex-direction:column;flex:1}
.plate-body h3{font-family:var(--font-display);font-size:clamp(19px,1.6vw,23px);font-weight:400;letter-spacing:.01em;margin-bottom:12px}
.plate-body>p{font-size:12.5px;line-height:1.9;color:var(--muted)}
.plate-meta{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0 22px;padding-top:16px;border-top:1px solid var(--line);min-height:72px;align-content:start}
.plate-meta dt{font-size:10px;letter-spacing:.1em;color:var(--faint);margin-bottom:4px}
.plate-meta dd{font-size:11.5px;line-height:1.6;color:var(--text);margin:0}
.plate-link{display:inline-flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:12px;letter-spacing:.04em;color:var(--text);transition:color .2s}
.plate-link span{color:var(--accent,var(--brass));font-size:13px}
.plate-link:hover{color:var(--accent,var(--brass))}
.coat-strip{margin-top:clamp(34px,4.4vw,60px);position:relative}
.coat-strip .specimen{width:100%;min-height:64px;opacity:.9}
.coat-strip::before,.coat-strip::after{content:"";position:absolute;top:0;bottom:0;width:12%;z-index:1;pointer-events:none}
.coat-strip::before{left:0;background:linear-gradient(90deg,var(--ink-1),transparent)}
.coat-strip::after{right:0;background:linear-gradient(270deg,var(--ink-1),transparent)}
.composite-plate{
  margin-top:clamp(26px,3.2vw,44px);display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:clamp(18px,3vw,44px);
  padding:clamp(22px,2.6vw,32px);border:1px solid var(--line);border-radius:1px;
  background:
    linear-gradient(120deg,rgba(233,230,223,.045),transparent 55%),
    repeating-linear-gradient(135deg,rgba(233,230,223,.03) 0 1px,transparent 1px 12px),
    var(--ink-2);
}
.composite-head{display:flex;flex-direction:column;gap:8px;min-width:0}
.composite-head h3{font-family:var(--font-display);font-size:clamp(20px,1.8vw,26px);font-weight:400}
.composite-head .plate-status{text-align:left}
.composite-plate>p{font-size:12.5px;line-height:1.9;color:var(--muted);max-width:52ch}
.composite-plate .plate-link{border-top:0;padding-top:0;margin-top:0}

/* ---------- 材料與產品 ---------- */
.products-section{padding-block:clamp(76px,8.4vw,124px);background:var(--ink-0);border-block:1px solid var(--line)}
.filter-bar{display:flex;align-items:center;gap:10px;margin-bottom:clamp(26px,3vw,40px);flex-wrap:wrap}
.filter{
  background:transparent;border:1px solid var(--line-strong);border-radius:2px;
  padding:9px 16px;font-size:11.5px;letter-spacing:.05em;color:var(--muted);
  transition:background .25s,color .25s,border-color .25s;
}
.filter:hover:not(.active){background:rgba(233,230,223,.05);color:var(--text)}
.filter.active{background:var(--text-strong);color:var(--ink-0);border-color:var(--text-strong)}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(16px,2.2vw,30px)}
.product-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:1px;
  border:1px solid var(--line);background:var(--ink-2);box-shadow:none;
  transition:border-color .35s,transform .35s var(--ease),background .35s;
}
.product-card:hover{border-color:var(--line-strong);transform:translateY(-3px);background:var(--ink-3)}
.product-picture{width:100%;height:clamp(230px,22vw,320px);display:flex;align-items:center;justify-content:center;background:var(--ink-3);overflow:hidden;position:relative}
.product-picture>img{width:100%;height:100%;object-fit:cover;transition:transform .7s var(--ease)}
.product-card:hover .product-picture>img{transform:scale(1.03)}
.product-picture:after{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,9,12,.20),transparent 30%,transparent 70%,rgba(6,9,12,.42));content:"";pointer-events:none}
.product-picture .photo-label{
  position:absolute;left:14px;bottom:13px;z-index:2;
  font-family:var(--font-body);font-size:9.5px;letter-spacing:.08em;color:var(--text);
  background:rgba(6,9,12,.66);border:1px solid var(--line-strong);border-radius:1px;padding:4px 8px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
/* 無實拍樣件時的概念圖：保持材料感 */
.product-picture.thermal{background:radial-gradient(ellipse at 74% 30%,rgba(232,168,92,.16),transparent 62%),linear-gradient(160deg,#151C22,#0A0F13)}
.product-picture.impact.thermal{background:radial-gradient(ellipse at 70% 28%,rgba(232,168,92,.22),transparent 60%),linear-gradient(160deg,#181D21,#090D10)}
.product-picture.cooling.thermal{background:radial-gradient(ellipse at 50% 30%,rgba(236,244,249,.20),transparent 55%),radial-gradient(ellipse at 50% 86%,rgba(240,122,74,.10),transparent 46%),linear-gradient(160deg,#0E1A22,#070C0F)}
.thermal-lines{width:66%;height:60%;position:relative;perspective:640px;transform:rotate(-15deg)}
.thermal-lines span{
  position:absolute;width:100%;height:46%;
  border:1px solid rgba(232,168,92,.4);
  background:linear-gradient(100deg,rgba(232,168,92,.16),rgba(169,203,234,.05));
  transform:rotateX(42deg) rotateY(16deg);
  box-shadow:0 16px 34px -18px rgba(0,0,0,.8);
}
.product-picture.impact.thermal .thermal-lines span{border-color:rgba(232,168,92,.46);background:linear-gradient(100deg,rgba(232,168,92,.2),rgba(233,230,223,.05))}
.product-picture.cooling.thermal .thermal-lines{width:72%;height:72%;transform:none;perspective:none}
.product-picture.cooling.thermal .thermal-lines span{
  left:50%;top:50%;width:22%;height:22%;border-radius:50%;transform:translate(-50%,-50%);
  background:radial-gradient(circle at 46% 40%,rgba(244,249,252,.24),rgba(169,203,234,.10) 58%,transparent 74%);
  border-color:rgba(190,220,240,.42);
  box-shadow:0 0 0 26px rgba(169,203,234,.06),0 0 0 52px rgba(240,122,74,.022),0 0 70px rgba(143,216,232,.12);
}
.product-picture.cooling.thermal .thermal-lines span:nth-child(1){width:20%;height:20%}
.product-picture.cooling.thermal .thermal-lines span:nth-child(2){width:48%;height:48%}
.product-picture.cooling.thermal .thermal-lines span:nth-child(3){width:76%;height:76%}
.product-body{padding:clamp(20px,2.2vw,30px);flex:1;display:flex;flex-direction:column}
.product-body>small{font-size:10px;letter-spacing:.12em;color:var(--faint)}
.product-status{
  display:inline-flex;align-items:center;gap:8px;width:max-content;margin-bottom:16px;
  font-size:10px;letter-spacing:.06em;color:var(--muted);border:0;padding:0;
}
.product-status::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brass);box-shadow:0 0 10px rgba(200,169,110,.8)}
.product-body h3{font-family:var(--font-display);font-size:clamp(20px,1.7vw,25px);font-weight:400;letter-spacing:.01em;margin:8px 0 12px}
.product-body p{font-size:12.5px;line-height:1.9;color:var(--muted);flex:1}
.product-open{
  margin-top:20px;padding-top:15px;border:0;border-top:1px solid var(--line);
  background:transparent;display:flex;align-items:center;justify-content:space-between;gap:14px;
  width:100%;text-align:left;font-size:11.5px;letter-spacing:.04em;color:var(--text);transition:color .2s;
}
.product-open span{color:var(--brass);font-size:14px}
.product-open:hover{color:var(--brass)}

/* ---------- 淺色技術紙帶（圖表） ---------- */
.data-band{
  position:relative;background:var(--paper);color:var(--ink-on-paper);
  padding-block:clamp(64px,7.4vw,110px);
  border-block:1px solid rgba(22,27,29,.14);
}
.data-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    repeating-linear-gradient(0deg,rgba(22,27,29,.055) 0 1px,transparent 1px 88px),
    radial-gradient(rgba(22,27,29,.10) .5px,transparent .5px);
  background-size:auto,4px 4px;
  mask-image:radial-gradient(ellipse 85% 80% at 50% 40%,#000,transparent 82%);
  -webkit-mask-image:radial-gradient(ellipse 85% 80% at 50% 40%,#000,transparent 82%);
}
.data-band .wrap{position:relative;z-index:1}

/* ---------- 應用場景 ---------- */
.applications-section{padding-block:clamp(76px,8.4vw,124px)}
.application-layout{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.5fr);gap:clamp(28px,4vw,64px);margin-top:8px}
.application-tabs{display:flex;flex-direction:column;border-top:1px solid var(--line-strong)}
.application-tabs button{
  display:flex;align-items:center;justify-content:flex-start;gap:16px;
  text-align:left;border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:clamp(16px,1.8vw,22px) 14px;font-size:clamp(14px,1.3vw,18px);color:var(--muted);
  letter-spacing:.02em;transition:color .25s,padding-left .3s var(--ease),background .25s;
}
.application-tabs button>div{flex:1;display:flex;align-items:center;justify-content:space-between;gap:12px}
.application-tabs button span{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--faint)}
.application-tabs button:hover{color:var(--text)}
.application-tabs button[aria-selected="true"]{
  color:var(--text-strong);background:rgba(233,230,223,.045);
  border-left:1px solid var(--brass);padding-left:20px;
}
.application-tabs button[aria-selected="true"] span{color:var(--brass)}
.application-panel{
  position:relative;padding:clamp(26px,3.4vw,46px);background:var(--ink-2);
  border:1px solid var(--line);border-radius:1px;min-height:340px;overflow:hidden;
}
.application-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,rgba(233,230,223,.035) 0 1px,transparent 1px 78px);
  mask-image:linear-gradient(180deg,#000,transparent 85%);
  -webkit-mask-image:linear-gradient(180deg,#000,transparent 85%);
}
.application-panel .eyebrow{position:relative}
.application-panel h3{position:relative;font-family:var(--font-display);font-size:clamp(22px,2.2vw,32px);font-weight:300;line-height:1.45;margin:6px 0 18px}
.application-panel p{position:relative;font-size:13px;line-height:1.95;max-width:60ch}
.application-panel ul{position:relative;list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 26px;padding:0}
.application-panel li{border:1px solid var(--line-strong);border-radius:2px;padding:7px 11px;font-size:11px;letter-spacing:.02em;color:var(--muted);background:rgba(233,230,223,.03)}
.application-panel .text-link{position:relative}
.application-panel .section-note{position:relative;margin-top:24px}

/* ---------- 合作方式 ---------- */
.supply-section{padding-block:clamp(76px,8.4vw,124px);background:var(--ink-1);border-block:1px solid var(--line)}
.supply-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px)}
.supply-grid article{
  display:flex;flex-direction:column;align-items:flex-start;gap:0;
  border-top:1px solid var(--line-strong);padding-top:20px;
}
.supply-number{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;color:var(--brass)}
.supply-grid h3{font-family:var(--font-display);font-size:clamp(20px,1.8vw,25px);font-weight:400;margin:20px 0 14px}
.supply-grid p{font-size:12.5px;line-height:1.9;flex:1}
.supply-grid ul{padding-left:15px;margin:18px 0 24px;color:var(--faint);font-size:11.5px;line-height:1.95}
.supply-grid .text-link{font-size:12px}

/* ---------- 項目驗證 ---------- */
.validation-section{padding-block:clamp(76px,8.4vw,124px)}
.validation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,44px);position:relative}
.validation-grid::before{
  content:"";position:absolute;top:34px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--line-strong),var(--line),transparent);pointer-events:none;
}
.validation-grid article{position:relative;padding-top:72px;border-top:0}
.step-code{
  position:relative;z-index:1;display:grid;place-items:center;width:34px;height:34px;
  border:1px solid var(--line-strong);border-radius:50%;background:var(--ink-0);
  font-family:var(--font-mono);font-size:10px;color:var(--brass);
}
.validation-grid h3{font-family:var(--font-display);font-size:clamp(19px,1.7vw,24px);font-weight:400;margin:18px 0 4px}
.validation-grid p{font-size:12px;letter-spacing:.06em;color:var(--text);margin-bottom:10px}
.validation-grid small{font-size:12px;line-height:1.9;color:var(--muted)}
.validation-status{
  margin-top:34px;padding:18px 22px;border-left:2px solid var(--fire);
  background:rgba(95,214,192,.05);font-size:12px;line-height:1.9;color:#B9C9C6;
}

/* ---------- AI4S ---------- */
.ai-section{
  padding-block:clamp(80px,9vw,140px);
  background:
    radial-gradient(ellipse at 88% 18%,rgba(143,216,232,.07),transparent 58%),
    radial-gradient(ellipse at 6% 88%,rgba(95,214,192,.05),transparent 55%),
    var(--ink-1);
  border-block:1px solid var(--line);
}
.ai-section .sec-kicker{color:var(--data)}
.ai-section .sec-kicker::before{background:var(--data)}
.ai-section .section-heading>p{color:#A6B5BC}
.research-layout{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.5fr);gap:clamp(28px,4vw,64px);margin-top:clamp(30px,4vw,52px)}
.service-tabs{display:flex;flex-direction:column}
.service-tab{
  display:flex;align-items:flex-start;gap:18px;text-align:left;
  border:0;border-bottom:1px solid var(--line);background:transparent;
  padding:clamp(18px,2vw,26px) 14px 0 14px;color:var(--muted);position:relative;
  transition:color .25s,padding-left .3s var(--ease),background .25s;
}
.service-tab:first-child{border-top:1px solid var(--line-strong)}
.service-tab>span{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;line-height:2.2;color:var(--faint)}
.service-tab>div{flex:1;font-family:var(--font-display);font-size:clamp(15px,1.4vw,19px);line-height:1.6;padding-bottom:clamp(18px,2vw,26px)}
.service-tab>i{font-style:normal;color:var(--faint);font-size:13px;padding-top:4px}
.service-tab:hover{color:var(--text)}
.service-tab[aria-selected="true"]{color:var(--text-strong);background:rgba(143,216,232,.045);padding-left:20px}
.service-tab[aria-selected="true"]:before{position:absolute;left:0;top:18px;bottom:18px;width:1px;background:var(--data);content:""}
.service-tab[aria-selected="true"]>span,.service-tab[aria-selected="true"]>i{color:var(--data)}
.service-detail{
  position:relative;padding:clamp(28px,3.4vw,46px);background:var(--ink-2);
  border:1px solid var(--line);border-radius:1px;min-height:340px;overflow:hidden;box-shadow:none;
}
.service-detail::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(143,216,232,.14);
  box-shadow:0 0 0 40px rgba(143,216,232,.03),0 0 0 80px rgba(143,216,232,.02);
  pointer-events:none;
}
.service-detail .eyebrow{color:var(--data)}
.service-detail .eyebrow::before{background:var(--data)}
.service-detail h3{position:relative;font-family:var(--font-display);font-size:clamp(20px,2.1vw,28px);font-weight:300;line-height:1.5;max-width:34ch;margin:8px 0 16px}
.service-detail>p{position:relative;font-size:13px;line-height:1.95;max-width:62ch}
.outputs{position:relative;display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 26px;list-style:none;padding:0}
.outputs li{
  border:1px solid rgba(143,216,232,.28);border-radius:2px;padding:7px 11px;
  font-size:11px;color:#BFDDE4;background:rgba(143,216,232,.05);
}
.service-detail .text-link{position:relative;color:var(--data)}
.research-path{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:clamp(30px,4vw,48px);padding-top:22px;border-top:1px solid var(--line);
  font-size:11.5px;letter-spacing:.04em;color:#B7C6C8;flex-wrap:wrap;
}
.research-path span{
  position:relative;padding-left:16px;color:var(--text);
}
.research-path span::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:5px;height:5px;border-radius:50%;background:var(--data);
  box-shadow:0 0 10px rgba(143,216,232,.7);
}
.research-path i{color:rgba(143,216,232,.45);font-style:normal}
.ai-section .section-note{border-color:rgba(143,216,232,.25)}

/* ---------- 案例 ---------- */
.cases-section{padding-block:clamp(76px,8.4vw,124px)}
.case-list{border-top:1px solid var(--line-strong)}
.case-row{
  display:grid;grid-template-columns:56px 1.05fr 1fr 32px;gap:clamp(14px,2vw,26px);align-items:center;
  min-height:104px;border-bottom:1px solid var(--line);padding:20px 12px 20px 0;
  transition:background .3s,padding-left .35s var(--ease);
}
.case-row:hover{background:rgba(233,230,223,.035);padding-left:12px}
.case-index{font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--faint)}
.case-row h3{font-family:var(--font-display);font-size:clamp(19px,1.8vw,25px);font-weight:400}
.case-sector{display:block;font-size:10px;letter-spacing:.1em;color:var(--brass);margin-bottom:6px}
.case-row p{font-size:11.5px;line-height:1.8;color:var(--muted);max-width:34ch}
.case-row>span:last-child{font-size:16px;color:var(--faint);transition:color .2s,transform .25s var(--ease)}
.case-row:hover>span:last-child{color:var(--brass);transform:translate(2px,-2px)}

/* ---------- 團隊 ---------- */
.team-section{padding-block:clamp(76px,8.4vw,124px);border-top:1px solid var(--line)}
.team-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:clamp(14px,1.8vw,26px)}
.team-card{min-width:0}
.portrait{
  position:relative;height:clamp(180px,17vw,240px);margin-bottom:18px;overflow:hidden;
  background:var(--ink-3);border:1px solid var(--line);border-radius:1px;
  display:flex;align-items:center;justify-content:center;
}
.portrait:after{position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(6,9,12,.62));content:"";pointer-events:none}
.portrait img{width:100%;height:100%;object-fit:cover;object-position:50% 25%;filter:saturate(.72) contrast(1.02);position:relative;z-index:1}
.portrait .initial{font-family:var(--font-display);font-size:56px;color:rgba(233,230,223,.22)}
.team-card .role{display:block;font-size:10px;letter-spacing:.1em;color:var(--brass);margin-bottom:7px}
.team-card h3{font-family:var(--font-display);font-size:clamp(16px,1.3vw,19px);font-weight:400;margin-bottom:9px}
.team-card p{font-size:11px;line-height:1.85;color:var(--muted)}
.founder-profile{
  margin-top:clamp(30px,4vw,52px);display:flex;align-items:center;gap:clamp(20px,3vw,36px);
  border-block:1px solid var(--line);padding:clamp(24px,3vw,34px) 0;
}
.founder-photo{width:148px;height:178px;object-fit:cover;object-position:50% 30%;border:1px solid var(--line-strong);border-radius:1px;flex-shrink:0;filter:saturate(.8)}
.founder-profile h3{font-family:var(--font-display);font-size:clamp(20px,1.8vw,26px);font-weight:400;margin:4px 0 6px}
.founder-profile h3 small{font-family:var(--font-body);font-size:11px;font-weight:400;letter-spacing:.08em;color:var(--brass);margin-left:10px}
.founder-profile .founder-role{font-size:11px;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.founder-profile>div>p:last-child{font-size:12.5px;line-height:1.9;max-width:56ch}
.founder-profile>.text-link{margin-left:auto;flex-shrink:0}

/* ---------- 關於 ---------- */
.about-section{padding-block:clamp(76px,8.4vw,124px);border-top:1px solid var(--line)}
.about-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,5vw,88px);margin-top:10px}
.about-layout h3{font-family:var(--font-display);font-size:clamp(17px,1.5vw,21px);font-weight:400;margin-bottom:20px;color:var(--text-strong)}
.about-layout p{font-size:13px;line-height:2;color:var(--muted);margin-bottom:16px;max-width:52ch}
.digital-note{
  margin-top:clamp(34px,4.4vw,64px);border-top:1px solid var(--line-strong);padding-top:26px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.digital-note .sec-kicker{margin-bottom:10px}
.digital-note h3{font-family:var(--font-display);font-size:clamp(18px,1.6vw,22px);font-weight:400;margin-bottom:10px}
.digital-note p:last-child{font-size:11.5px;line-height:1.85;max-width:62ch;color:var(--muted)}
.digital-note .text-link{color:var(--data)}

/* ---------- 聯絡 ---------- */
.contact-section{
  padding-block:clamp(80px,9vw,140px);
  background:
    radial-gradient(ellipse at 0% 10%,rgba(232,168,92,.06),transparent 55%),
    radial-gradient(ellipse at 92% 90%,rgba(169,203,234,.05),transparent 55%),
    var(--ink-1);
  border-top:1px solid var(--line);
}
.contact-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(36px,6vw,104px)}
.contact-info h2{font-family:var(--font-display);font-weight:300;font-size:clamp(28px,2.6vw,42px)}
.contact-info>p:not(.eyebrow):not(.address){font-size:13.5px;line-height:1.95;margin-top:22px;max-width:36ch}
.contact-links{margin-top:clamp(28px,3.6vw,44px);display:flex;flex-direction:column}
.contact-links>a,.contact-links>button{
  display:block;width:100%;text-align:left;background:transparent;border:0;border-bottom:1px solid var(--line);
  padding:15px 0;transition:padding-left .3s var(--ease),border-color .25s;
}
.contact-links>a:first-child,.contact-links>button:first-child{border-top:1px solid var(--line)}
.contact-links>a:hover,.contact-links>button:hover{padding-left:8px;border-color:var(--line-strong)}
.contact-links small{display:block;font-size:10px;letter-spacing:.1em;color:var(--faint);margin-bottom:6px}
.contact-links strong{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:clamp(16px,1.5vw,20px);font-weight:300;letter-spacing:.02em;color:var(--text);overflow-wrap:anywhere}
.contact-links strong span{color:var(--brass);font-size:15px;flex-shrink:0}
.contact-info .address{font-size:10.5px;letter-spacing:.08em;color:var(--faint);margin-top:20px}
.inquiry{
  background:var(--ink-2);border:1px solid var(--line-strong);border-radius:1px;padding:clamp(24px,3vw,38px);
  position:relative;
}
.inquiry::before{content:"";position:absolute;left:0;top:0;width:44px;height:1px;background:var(--brass)}
.inquiry h3{font-family:var(--font-display);font-size:clamp(19px,1.7vw,24px);font-weight:400;margin-bottom:10px}
.form-note{font-size:11px;line-height:1.8;color:var(--faint);margin-bottom:22px}
.inquiry label{display:block;font-size:10.5px;letter-spacing:.08em;color:var(--muted);margin:16px 0 7px}
.inquiry input,.inquiry textarea,.inquiry select{
  display:block;width:100%;background:rgba(6,9,12,.55);border:1px solid var(--line-strong);border-radius:1px;
  color:var(--text);padding:12px;font-size:12px;line-height:1.7;font-family:var(--font-body);
  transition:border-color .2s,background .2s;
}
.inquiry input:focus,.inquiry textarea:focus,.inquiry select:focus{border-color:var(--brass);background:rgba(6,9,12,.8)}
.inquiry input::placeholder,.inquiry textarea::placeholder{color:#6B7A83}
.inquiry textarea{resize:vertical}
.form-pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.inquiry>.button{width:100%;margin-top:24px}
.inquiry-result{border-top:1px solid var(--line-strong);margin-top:26px;padding-top:4px}
.result-actions{display:flex;gap:10px;margin-top:14px}
.result-actions .button{font-size:11px;min-height:42px;padding:10px 12px;flex:1}
.inquiry-result textarea{font-size:11px}

/* ---------- 頁尾 ---------- */
footer{
  display:flex;align-items:center;gap:clamp(20px,4vw,56px);
  min-height:150px;padding-block:36px;font-size:11px;color:var(--muted);
  border-top:1px solid var(--line);
}
footer .brand{font-size:16px}
footer .brand-mark{width:34px;height:34px;font-size:17px}
footer>div{margin-left:auto;display:flex;flex-direction:column;gap:6px;text-align:right}
footer>div>span{font-size:11.5px;letter-spacing:.06em;color:var(--text)}
footer small{font-size:9.5px;letter-spacing:.06em;color:var(--faint)}
.back-top{font-size:11px;letter-spacing:.08em;color:var(--muted);white-space:nowrap;transition:color .2s}
.back-top:hover{color:var(--brass)}

/* ---------- 彈窗 / toast ---------- */
dialog{
  background:var(--ink-2);color:var(--text);border:1px solid var(--line-strong);border-radius:1px;
  padding:0;width:min(960px,calc(100% - 40px));max-height:calc(100svh - 64px);
  box-shadow:0 30px 140px rgba(0,0,0,.72);overflow:auto;
}
dialog::backdrop{background:rgba(3,6,9,.78);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.dialog-close{
  position:absolute;right:14px;top:14px;z-index:3;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line-strong);background:rgba(6,9,12,.7);color:var(--text);
  font-size:22px;line-height:1;display:grid;place-items:center;transition:background .2s,border-color .2s;
}
.dialog-close:hover{background:rgba(200,169,110,.16);border-color:var(--brass)}
.detail-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr)}
.detail-layout .product-picture{height:100%;min-height:480px}
.detail-copy{padding:clamp(28px,3.4vw,48px)}
.detail-copy .eyebrow{color:var(--brass)}
.detail-copy h2{font-family:var(--font-display);font-size:clamp(24px,2.4vw,34px);font-weight:400;margin:6px 0 18px}
.detail-copy>p{font-size:12.5px;line-height:1.95;color:var(--muted)}
.detail-copy ul{font-size:12px;line-height:2;color:#C6CFD2;padding-left:17px;margin-block:20px}
.detail-copy h3{font-family:var(--font-display);font-size:13px;font-weight:400;letter-spacing:0;color:var(--text);margin-top:24px}
.detail-copy .section-note{font-size:11px}
.detail-copy .button{margin-top:22px;font-size:12px;min-height:46px}
.toast{
  position:fixed;bottom:28px;left:50%;transform:translate(-50%,20px);opacity:0;pointer-events:none;z-index:80;
  padding:12px 22px;border:1px solid rgba(200,169,110,.5);background:rgba(10,16,20,.95);
  box-shadow:0 20px 60px rgba(0,0,0,.55);font-size:12.5px;border-radius:2px;
  transition:opacity .25s,transform .25s;max-width:calc(100% - 30px);text-align:center;color:var(--text);
}
.toast.visible{opacity:1;transform:translate(-50%,0)}
.noscript{padding:18px;text-align:center;background:var(--ink-2);font-size:12px}
.icp-link{display:block;color:var(--faint);font-size:10px;margin-top:8px}
.icp-link:hover{color:var(--brass)}

/* ---------- 響應式 ---------- */
@media(max-width:1150px){
  :root{--wrap:min(1280px,calc(100% - 72px))}
  .site-header{padding-inline:28px}
  .site-header nav{gap:16px}
  .site-header nav>a{font-size:11.5px}
  .hero-grid{gap:34px}
  .hero h1{font-size:clamp(32px,4vw,50px)}
  .hero-visual .specimen-hero{max-width:540px}
  .business{gap:52px}
  .coat-grid{gap:18px}
  .plate-meta{grid-template-columns:repeat(2,minmax(0,1fr))}
  .team-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .team-grid .team-card:nth-child(n+4){display:flex;gap:16px;align-items:flex-start}
  .team-grid .team-card:nth-child(n+4) .portrait{width:92px;height:110px;flex:0 0 auto;margin:0}
  .product-picture{height:250px}
  .composite-plate{grid-template-columns:auto 1fr}
  .composite-plate .plate-link{grid-column:1 / -1;padding-top:6px}
}

@media(max-width:900px){
  :root{--wrap:calc(100% - 48px)}
  html{scroll-padding-top:84px}
  .site-header{height:70px;padding-inline:22px}
  .site-header.scrolled{height:62px}
  .menu-toggle{display:flex}
  .site-header nav{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:0;padding:12px 22px 22px;background:rgba(8,12,16,.97);
    backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);border-bottom:1px solid var(--line-strong);
  }
  .site-header nav.open{display:flex}
  .site-header nav>a{padding:14px 0;font-size:14px;border-bottom:1px solid var(--line)}
  .site-header nav .nav-contact{margin-top:14px;border-bottom:0;justify-content:space-between;padding:12px 16px}
  .hero{padding-top:96px;min-height:0}
  .hero-grid{grid-template-columns:1fr;gap:clamp(28px,5vw,44px);padding-bottom:28px}
  .hero-copy{max-width:none}
  .hero h1{font-size:clamp(32px,6.6vw,52px)}
  .hero-visual{align-items:stretch}
  .hero-visual .specimen-hero{max-width:520px;margin-inline:auto}
  .hero-visual figcaption{max-width:520px;margin-inline:auto}
  .hero-legend{grid-template-columns:1fr;border-top:1px solid var(--line-strong)}
  .legend-row{grid-template-columns:auto auto 1fr auto;border-right:0;border-bottom:1px solid var(--line);padding:14px 0}
  .legend-desc{display:none}
  .legend-row:last-child{border-bottom:0}
  .hero-foot{padding:13px 0 16px;font-size:10px}
  .hero-foot>span:nth-child(2){display:none}
  .business{grid-template-columns:1fr;gap:32px;padding-block:68px}
  .section-heading,.coatings .sec-head{flex-direction:column;align-items:flex-start;gap:20px;margin-bottom:34px}
  .section-heading>p,.section-heading>div:last-child>p,.coatings .sec-head>p{max-width:100%;font-size:13px}
  .coat-grid{grid-template-columns:1fr;gap:34px}
  .plate-art .specimen{max-width:560px}
  .plate-meta{grid-template-columns:repeat(3,minmax(0,1fr))}
  .composite-plate{grid-template-columns:1fr;gap:14px}
  .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .product-picture{height:clamp(190px,26vw,240px)}
  .application-layout{grid-template-columns:1fr;gap:20px}
  .application-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border:1px solid var(--line);border-radius:1px;overflow:hidden}
  .application-tabs button{border-bottom:1px solid var(--line);padding:15px 13px;font-size:14px;min-height:54px}
  .application-tabs button:nth-child(odd){border-right:1px solid var(--line)}
  .application-tabs button[aria-selected="true"]{border-left:0;box-shadow:inset 0 -2px 0 var(--brass);padding-left:13px}
  .application-panel{min-height:0;padding:26px 22px}
  .supply-grid{grid-template-columns:1fr;gap:30px}
  .supply-grid article{padding-top:18px}
  .validation-grid{grid-template-columns:1fr;gap:26px}
  .validation-grid::before{display:none}
  .validation-grid article{padding-top:0;padding-left:52px;border-top:1px solid var(--line);padding-block:18px}
  .step-code{position:absolute;left:0;top:18px;margin:0}
  .research-layout{grid-template-columns:1fr;gap:22px}
  .service-tabs{flex-direction:row;overflow-x:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .service-tab{flex:1 0 33%;border:0;border-right:1px solid var(--line);padding:14px 12px;min-width:150px}
  .service-tab:first-child{border-top:0}
  .service-tab>div{font-size:14px;line-height:1.6;padding-bottom:0;margin-top:8px}
  .service-tab>span{display:block;line-height:1}
  .service-tab>i{display:none}
  .service-tab[aria-selected="true"]{padding-left:12px;box-shadow:inset 0 -2px 0 var(--data)}
  .service-tab[aria-selected="true"]:before{display:none}
  .service-detail{min-height:0;padding:26px 22px}
  .research-path{justify-content:flex-start;gap:10px 14px;font-size:11px}
  .case-row{grid-template-columns:30px 1fr 24px;gap:10px;padding-block:22px}
  .case-row p{grid-column:2;font-size:11px}
  .case-row>span:last-child{grid-row:1 / 3;grid-column:3;align-self:center}
  .team-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 16px}
  .team-grid .team-card:nth-child(n+4){display:block}
  .team-grid .team-card:nth-child(n+4) .portrait{width:auto;height:150px;margin-bottom:14px}
  .portrait{height:clamp(170px,22vw,220px)}
  .founder-profile{flex-wrap:wrap;gap:20px}
  .founder-profile>.text-link{margin-left:0}
  .about-layout{grid-template-columns:1fr;gap:26px}
  .digital-note{flex-direction:column;align-items:flex-start;gap:18px}
  .contact-layout{grid-template-columns:1fr;gap:36px}
  footer{flex-wrap:wrap;gap:18px;padding-block:30px}
  footer>div{margin-left:0;text-align:left;order:3;width:100%}
  footer .back-top{margin-left:auto}
}

@media(max-width:620px){
  /* AI4S 服務：手機端三項全部可見，不用橫向捲動 */
  .service-tabs{display:grid;grid-template-columns:1fr;overflow:visible;border:1px solid var(--line);border-radius:1px;border-top:1px solid var(--line)}
  .service-tab{flex:none;border:0;border-bottom:1px solid var(--line);padding:14px 14px 12px;min-width:0}
  .service-tab:last-child{border-bottom:0}
  .service-tab>span{display:inline;font-size:10px;line-height:1.5;margin-right:4px}
  .service-tab>div{font-size:14px;line-height:1.5;margin-top:0;padding-bottom:0}
  .service-tab[aria-selected="true"]{padding-left:16px;box-shadow:inset 2px 0 0 var(--data)}
}
@media(max-width:620px){
  :root{--wrap:calc(100% - 36px)}
  .site-header{height:64px;padding-inline:18px}
  .brand{font-size:16px}
  .brand-mark{width:34px;height:34px;font-size:17px}
  .brand small{font-size:8px;letter-spacing:.18em}
  .hero{padding-top:88px}
  .hero-meta{margin-bottom:22px;font-size:11.5px}
  .hero-meta .seal{width:30px;height:30px;font-size:15px}
  .hero h1{font-size:clamp(28px,8vw,40px);line-height:1.26}
  .hero-intro{font-size:13px;line-height:1.95;margin-top:18px}
  .hero-actions{gap:14px 20px;margin-top:24px}
  .hero-actions .button{min-height:46px;font-size:12px;min-width:0;flex:1 1 auto}
  .hero-actions .text-link{font-size:12px}
  .hero-visual .specimen-hero{max-width:100%}
  .hero-visual figcaption{font-size:9px;gap:10px}
  .hero-visual figcaption span:last-child{text-align:right}
  .legend-name{font-size:13.5px}
  .legend-row{gap:10px}
  .hero-foot{letter-spacing:.06em}
  .business,.products-section,.applications-section,.supply-section,.validation-section,.cases-section,.team-section,.about-section{padding-block:60px}
  .coatings,.ai-section,.contact-section{padding-block:64px}
  h1{font-size:clamp(30px,8.6vw,40px)}
  h2{font-size:clamp(26px,7.4vw,34px)}
  .section-note{font-size:11px;padding-left:11px}
  .business-row{padding:20px 0}
  .business-row h3{font-size:19px;margin-bottom:6px}
  .business-row p{font-size:12px}
  .plate-head{flex-wrap:wrap;gap:6px 12px}
  .plate-status{text-align:left}
  .plate-meta{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 14px}
  .plate-body h3{font-size:19px}
  .plate-body>p{font-size:12px}
  .product-grid{grid-template-columns:1fr;gap:16px}
  .products-section .section-heading h2{font-size:clamp(23px,6.6vw,32px)}
  .product-picture{height:210px}
  .product-body{padding:18px}
  .product-body h3{font-size:20px}
  .product-body p{font-size:12px}
  .filter{padding:8px 12px;font-size:11px}
  .application-tabs button{font-size:13px;min-height:50px;padding:13px 11px}
  .application-panel h3{font-size:22px;line-height:1.5}
  .application-panel p{font-size:12px}
  .application-panel li{font-size:10.5px;padding:6px 9px}
  .supply-grid h3{font-size:20px}
  .validation-grid h3{font-size:19px}
  .research-path{font-size:10.5px;gap:8px 12px}
  .research-path span{padding-left:13px}
  .case-row h3{font-size:19px}
  .team-grid{gap:18px 12px}
  .team-card h3{font-size:16px}
  .team-card p{font-size:10.5px}
  .portrait{height:150px}
  .founder-photo{width:96px;height:118px}
  .founder-profile h3{font-size:19px}
  .about-layout h3{font-size:16px}
  .about-layout p{font-size:12.5px}
  .contact-info h2{font-size:clamp(26px,7.4vw,34px)}
  .contact-links strong{font-size:16px}
  .form-pair{grid-template-columns:1fr}
  .inquiry{padding:22px 18px}
  .inquiry h3{font-size:18px}
  footer{font-size:10px}
  footer .brand{font-size:14px}
  .detail-layout{grid-template-columns:1fr}
  .detail-layout .product-picture{min-height:240px;height:240px}
  .detail-copy{padding:22px 18px}
  dialog{width:calc(100% - 24px)}
}

@media(max-width:380px){
  .hero h1{font-size:29px}
  .product-picture{height:180px}
  .legend-name{font-size:12.5px}
  .team-grid{grid-template-columns:1fr}
  .team-grid .team-card .portrait{height:180px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .product-card:hover,.primary:hover{transform:none}
}

/* ---------- 首屏一次性编排（CSS-only，不依赖 JS） ---------- */
@keyframes lumine-rise{from{opacity:0;transform:translate3d(0,18px,0)}to{opacity:1;transform:none}}
@keyframes lumine-fade{from{opacity:0}to{opacity:1}}
@keyframes lumine-specimen{from{opacity:0;transform:translate3d(0,12px,0) scale(.988)}to{opacity:1;transform:none}}
.hero-meta{animation:lumine-fade .9s var(--ease) .12s both}
.hero h1{animation:lumine-rise 1.05s var(--ease) .22s both}
.hero-intro{animation:lumine-rise 1.05s var(--ease) .38s both}
.hero-actions{animation:lumine-rise 1.05s var(--ease) .52s both}
.hero-visual .specimen-hero{animation:lumine-specimen 1.3s var(--ease) .18s both}
.hero-visual figcaption{animation:lumine-fade 1s var(--ease) .78s both}
.hero-legend .legend-row{animation:lumine-fade .85s var(--ease) .88s both}
.hero-foot{animation:lumine-fade .9s var(--ease) 1s both}

/* 淺色紙帶內部的通用排版（chart-lab 未覆蓋時仍成立） */
.data-band h2,.data-band h3{color:var(--ink-on-paper);font-family:var(--font-display);font-weight:300}
.data-band p,.data-band small{color:#454E51}
.data-band .sec-kicker,.data-band .eyebrow{color:#8A6A34}
.data-band .sec-kicker::before,.data-band .eyebrow::before{background:#8A6A34}
.data-band .section-note{color:#5A6265;border-color:rgba(22,27,29,.18)}

/* ---------- 材料來源 · 技術合作方 ---------- */
.source-section{
  padding-block:clamp(76px,8.4vw,124px);
  background:
    radial-gradient(ellipse at 92% 0%,rgba(232,168,92,.06),transparent 55%),
    var(--ink-0);
  border-top:1px solid var(--line);
}
.source-section .sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:clamp(24px,3vw,48px);margin-bottom:clamp(30px,4vw,52px)}
.source-section .sec-head>div{flex:1 1 auto;min-width:0}
.source-section .sec-head>p:last-child{flex:0 0 auto;width:clamp(280px,29vw,380px);max-width:36ch}
.source-section .sec-head>p:last-child{max-width:42ch;font-size:13.5px;line-height:1.95;color:var(--muted)}
.source-section .sec-kicker{color:var(--brass)}
.source-grid{display:grid;grid-template-columns:minmax(0,1.42fr) minmax(0,1fr);gap:clamp(14px,2vw,26px);align-items:stretch}
.source-lead{position:relative;margin:0;overflow:hidden;border:1px solid var(--line);background:var(--ink-2);aspect-ratio:16/9}
.source-lead img{width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.02)}
.source-lead::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 48%,rgba(6,9,12,.9))}
.source-lead figcaption{
  position:absolute;left:16px;right:16px;bottom:13px;z-index:1;
  display:flex;justify-content:space-between;gap:18px;
  font-size:10px;letter-spacing:.05em;color:#B9C4C9;
}
.source-lead figcaption span:last-child{color:var(--brass);text-align:right}
.source-facts{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.source-facts>div{background:var(--ink-2);padding:clamp(16px,2vw,24px);display:flex;flex-direction:column;justify-content:center;gap:8px}
.source-facts b{font-family:var(--font-display);font-weight:300;font-size:clamp(21px,2.2vw,30px);line-height:1.1;color:var(--brass);letter-spacing:.01em}
.source-facts span{font-size:10.5px;line-height:1.7;color:var(--faint)}
.source-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:clamp(16px,2.2vw,30px);margin-top:clamp(26px,3.4vw,46px)}
.source-card{display:flex;flex-direction:column;border-top:1px solid var(--line-strong);padding-top:16px;min-width:0}
.source-thumb{margin:0 0 16px;aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line);background:var(--ink-3)}
.source-thumb img{width:100%;height:100%;object-fit:cover;filter:saturate(.78) contrast(1.02);transition:transform .8s var(--ease)}
.source-card:hover .source-thumb img{transform:scale(1.04)}
.source-card h3{font-family:var(--font-display);font-size:clamp(17px,1.4vw,20px);font-weight:400;margin-bottom:10px}
.source-card>p{font-size:12px;line-height:1.9;color:var(--muted);margin-bottom:14px}
.source-meta{margin:0;padding-top:12px;border-top:1px solid var(--line)}
.source-meta>div{display:grid;grid-template-columns:72px 1fr;gap:8px;padding:4px 0}
.source-meta dt{font-size:9.5px;letter-spacing:.06em;color:var(--faint);padding-top:2px}
.source-meta dd{margin:0;font-size:10.5px;line-height:1.75;color:#B9C4C9}
.plate-source{
  display:flex;align-items:baseline;gap:10px;margin-top:14px;padding-top:11px;
  border-top:1px dashed var(--line);font-size:10.5px;line-height:1.7;color:var(--faint);
  transition:color .2s;
}
.plate-source span{color:var(--accent,var(--brass));letter-spacing:.06em;flex:0 0 auto}
.plate-source:hover{color:var(--text)}
.source-note{margin-top:clamp(26px,3.4vw,40px)}

@media(max-width:1150px){
  .source-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px}
  .source-card h3{font-size:19px}
}
@media(max-width:900px){
  .source-section .sec-head{flex-direction:column;align-items:flex-start;gap:20px}
  .source-section .sec-head>p:last-child{max-width:100%}
  .source-grid{grid-template-columns:1fr}
  .source-facts{grid-template-columns:1fr 1fr}
  .source-lead{aspect-ratio:16/9}
}
@media(max-width:620px){
  .source-section{padding-block:60px}
  .source-grid{gap:12px}
  .source-facts>div{padding:14px}
  .source-facts b{font-size:20px}
  .source-cards{grid-template-columns:1fr;gap:26px}
  .source-card h3{font-size:18px}
  .source-meta>div{grid-template-columns:68px 1fr}
  .plate-source{font-size:10px;flex-wrap:wrap;gap:4px 10px}
}


/* ==========================================================================
   LUMINE 3.1 — 五问结构（我们是谁 / 做什么 / 为什么 / 谁来做 / 应用场景）
   追加于主视觉层末尾；类名互不冲突。
   ========================================================================== */

.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- 五问导览 ---------- */
.five-questions{padding:clamp(26px,3.2vw,44px) 0 clamp(34px,4.4vw,56px)}
.guide-label{
  font-size:10.5px;letter-spacing:.14em;color:var(--faint);
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.guide-label::before{content:"";width:22px;height:1px;background:var(--brass);opacity:.65}
.guide-grid{
  display:grid;grid-template-columns:repeat(5,minmax(0,1fr));
  border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);
}
.guide-item{
  display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto auto;
  gap:3px 12px;align-items:baseline;padding:18px 16px 18px 0;
  border-right:1px solid var(--line);transition:background .3s var(--ease),padding-left .3s var(--ease);
}
.guide-item:last-child{border-right:0}
.guide-num{grid-row:1 / 3;font-family:var(--font-mono);font-size:10px;letter-spacing:.08em;color:var(--faint);padding-top:3px}
.guide-q{font-family:var(--font-display);font-size:clamp(15px,1.25vw,18px);color:var(--text-strong);letter-spacing:.01em}
.guide-a{grid-column:2;font-size:10.5px;color:var(--muted)}
.guide-arrow{grid-column:3;grid-row:1 / 3;align-self:center;font-size:13px;color:var(--brass)}
.guide-item:hover{background:rgba(233,230,223,.04);padding-left:10px}
.guide-item:hover .guide-q{color:var(--brass)}

/* ---------- 01 公司介绍 ---------- */
.company-section{padding-block:clamp(70px,8vw,112px);background:var(--ink-0);border-top:1px solid var(--line)}
.company-layout{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:clamp(28px,4vw,64px);align-items:start}
.company-intro p{font-size:13.5px;line-height:2;color:var(--muted);max-width:58ch;margin-bottom:15px}
.company-intro .company-lead{color:var(--text);font-size:14.5px;line-height:1.95}
.company-intro .text-link{margin-top:6px}
.company-facts{display:flex;flex-direction:column;border-top:1px solid var(--line-strong);margin:0}
.company-facts>div{display:grid;grid-template-columns:88px 1fr;gap:14px;padding:11px 0;border-bottom:1px solid var(--line)}
.company-facts dt{font-size:10px;letter-spacing:.08em;color:var(--faint);padding-top:2px}
.company-facts dd{margin:0;font-size:12px;line-height:1.8;color:#C3CDD1}
.company-service{margin-top:clamp(34px,4.4vw,58px)}
.company-subtitle{font-family:var(--font-display);font-size:clamp(19px,1.6vw,23px);font-weight:400;margin-bottom:18px}
.company-service .business-row h4{
  font-family:var(--font-display);font-size:clamp(20px,1.9vw,26px);font-weight:400;
  letter-spacing:.01em;margin-bottom:8px;transition:color .25s;
}
.company-service .business-row p strong{color:var(--text-strong);font-weight:400}
.company-service .business-row:hover h4{color:var(--brass)}

/* ---------- 03 技术分析 ---------- */
.tech-section{padding-block:clamp(72px,8.2vw,120px);background:var(--ink-1);border-top:1px solid var(--line)}
.tech-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(28px,4vw,64px);align-items:start}
.tech-pillars h3{font-family:var(--font-display);font-size:clamp(18px,1.5vw,22px);font-weight:400;margin-bottom:14px}
.tech-list{list-style:none;padding:0;margin:0 0 26px;counter-reset:tech}
.tech-list li{display:grid;grid-template-columns:24px 1fr;gap:4px 12px;padding:13px 0;border-top:1px solid var(--line)}
.tech-list li::before{counter-increment:tech;content:"0" counter(tech);font-family:var(--font-mono);font-size:10px;color:var(--brass);padding-top:4px}
.tech-list li>span{font-family:var(--font-display);font-size:14px;color:var(--text-strong)}
.tech-list li>p{grid-column:2;margin:0;font-size:12px;line-height:1.9;color:var(--muted)}
.tech-pillars>p{font-size:12.5px;line-height:1.95;color:var(--muted);max-width:58ch}
.tech-pillars .text-link{margin-top:14px}
.tech-pillars .tech-proof{font-size:11.5px;color:var(--faint);margin-top:16px;padding-top:12px;border-top:1px solid var(--line)}
.tech-pillars .tech-proof a{color:var(--brass);border-bottom:1px solid rgba(200,169,110,.35)}
.tech-side{display:flex;flex-direction:column;gap:16px;min-width:0}
.tech-stats{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}
.tech-stats>div{background:var(--ink-2);padding:clamp(14px,1.6vw,20px);display:flex;flex-direction:column;gap:5px}
.tech-stats b{font-family:var(--font-display);font-weight:300;font-size:clamp(24px,2.4vw,32px);line-height:1.1;color:var(--brass)}
.tech-stats span{font-size:10px;letter-spacing:.04em;color:var(--faint)}
.tech-photo{position:relative;margin:0;border:1px solid var(--line);overflow:hidden;aspect-ratio:4/3;background:var(--ink-2)}
.tech-photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.8) contrast(1.02)}
.tech-photo figcaption{
  position:absolute;left:12px;bottom:10px;font-size:9.5px;color:var(--muted);
  background:rgba(6,9,12,.7);border:1px solid var(--line);padding:3px 7px;
}
.tech-qual{display:flex;flex-wrap:wrap;gap:7px}
.tech-qual span{border:1px solid var(--line-strong);border-radius:1px;padding:6px 9px;font-size:10px;color:var(--muted);background:rgba(233,230,223,.03)}
.tech-param{margin-top:clamp(30px,4vw,54px);border-top:1px solid var(--line-strong);padding-top:22px}
.tech-param-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:16px}
.tech-param-head h3{font-family:var(--font-display);font-size:clamp(18px,1.5vw,22px);font-weight:400}
.tech-param-head p{max-width:54ch;font-size:10.5px;line-height:1.8;color:var(--faint);text-align:right}
.tech-table-wrap{overflow-x:auto;border:1px solid var(--line);background:rgba(6,9,12,.25)}
.tech-table{width:100%;border-collapse:collapse;min-width:660px;font-size:11.5px}
.tech-table th,.tech-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tech-table thead th{font-size:10px;letter-spacing:.05em;color:var(--muted);background:rgba(233,230,223,.045);font-weight:400}
.tech-table tbody th{font-weight:400;color:var(--faint);white-space:nowrap}
.tech-table td{color:#C3CDD1}
.tech-table tbody tr:last-child th,.tech-table tbody tr:last-child td{border-bottom:0}
.tech-param .section-note{margin-top:14px}
.team-partner{margin-top:16px;padding-top:13px;border-top:1px solid var(--line);font-size:11px;line-height:1.9;color:var(--faint)}
.team-partner a{color:var(--brass);border-bottom:1px solid rgba(200,169,110,.35)}

@media(max-width:1150px){
  .guide-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .guide-item:nth-child(3){border-right:0}
  .guide-item:nth-child(n+4){border-top:1px solid var(--line)}
  .company-layout{grid-template-columns:1fr;gap:26px}
  .company-intro p{max-width:none}
  .tech-grid{grid-template-columns:1fr;gap:30px}
  .tech-side{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
  .tech-photo{grid-row:span 2}
}
@media(max-width:900px){
  .guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-item:nth-child(2n){border-right:0}
  .guide-item:nth-child(n+3){border-top:1px solid var(--line)}
  .tech-side{display:flex}
  .tech-param-head{flex-direction:column;align-items:flex-start;gap:8px}
  .tech-param-head p{text-align:left}
}
@media(max-width:620px){
  .section-heading h2,.section-intro h2,.about-layout h2{font-size:clamp(24px,6.9vw,32px)}
  .five-questions{padding-block:22px 30px}
  .guide-grid{grid-template-columns:1fr}
  .guide-item{border-right:0;border-bottom:1px solid var(--line);padding:12px 0}
  .guide-item:last-child{border-bottom:0}
  .guide-item:nth-child(n){border-top:0}
  .guide-item:hover{padding-left:6px}
  .company-section,.tech-section{padding-block:60px}
  .company-facts>div{grid-template-columns:74px 1fr;gap:10px}
  .company-intro .company-lead{font-size:13.5px}
  .tech-stats b{font-size:24px}
  .tech-list li>p{font-size:11.5px}
  .tech-table{font-size:11px;min-width:600px}
  .tech-table th,.tech-table td{padding:9px 10px}
}



/* 参数表“怎么读”说明框 */
.tech-read{
  margin:14px 0 0;padding:12px 14px;border-left:2px solid var(--fire);
  background:rgba(95,214,192,.06);font-size:12px;line-height:1.9;color:#B9C9C6;
}
.tech-read strong{color:var(--text-strong);font-weight:400}


/* 参数表手机横向滑动提示 */
.tech-scroll-hint{display:none;margin:8px 0 0;font-size:10px;letter-spacing:.04em;color:var(--faint)}
@media(max-width:900px){.tech-scroll-hint{display:block}}

/* 03 技术与证据：五步逻辑（技术路线 → 专利 → 数据 → 报告 → 验证） */
.tech-blocks{display:flex;flex-direction:column;gap:clamp(22px,3vw,36px)}
.tech-block{border-top:1px solid var(--line-strong);padding-top:18px}
.tech-block-head{display:flex;align-items:baseline;gap:14px;margin-bottom:16px}
.tech-step{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;color:var(--brass)}
.tech-block-head h3{font-family:var(--font-display);font-size:clamp(18px,1.5vw,22px);font-weight:400;letter-spacing:.01em}
.tech-block .tech-list{margin:0 0 14px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line)}
.tech-block .tech-list li{display:flex;flex-direction:column;gap:6px;padding:16px;border:0;background:var(--ink-2)}
.tech-block .tech-list li::before{display:none}
.tech-block .tech-list li>span{font-size:13.5px}
.tech-block .tech-list li>p{grid-column:auto;font-size:11.5px;margin:0}
.tech-block-note{margin:10px 0 0;padding:9px 12px;border-left:2px solid var(--line-strong);font-size:11px;line-height:1.8;color:var(--faint);background:rgba(233,230,223,.025)}
.tech-block--wide .tech-param-head{margin:0 0 14px}
.tech-block--wide .tech-param-head p{font-size:10.5px;text-align:left;max-width:78ch}
.tech-block .tech-stats{margin-bottom:14px}
.tech-block .tech-qual{margin-bottom:12px}
.report-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.report-card{margin:0;border:1px solid var(--line);background:var(--ink-2);padding:16px;display:flex;flex-direction:column;gap:10px}
.report-card figcaption{display:flex;flex-direction:column;gap:2px}
.report-card figcaption b{font-family:var(--font-display);font-weight:400;font-size:14px;color:var(--text-strong)}
.report-card figcaption small{font-size:10px;color:var(--faint)}
.report-card dl{margin:0;display:flex;flex-direction:column;gap:6px}
.report-card dl>div{display:grid;grid-template-columns:52px 1fr;gap:10px}
.report-card dt{font-size:10px;letter-spacing:.05em;color:var(--faint);padding-top:1px}
.report-card dd{margin:0;font-size:11.5px;line-height:1.75;color:#C3CDD1}
#tech-verify p{font-size:12.5px;line-height:1.95;color:var(--muted);max-width:72ch;margin-bottom:10px}
#tech-verify a{color:var(--brass);border-bottom:1px solid rgba(200,169,110,.35)}
#tech-verify .text-link{border-bottom:0}
@media(max-width:900px){
  .tech-block .tech-list{grid-template-columns:1fr}
  .report-grid{grid-template-columns:1fr}
}
@media(max-width:620px){
  .report-card{padding:13px}
}


/* 专利 KPI 看板 + 客户矩阵 */
.tech-block .tech-kpi{margin-bottom:14px}
.tech-kpi svg{display:block;width:auto;max-width:100%;height:auto;margin:0 auto}
.cust-grid{margin:14px 0 0}
.cust-grid h4{font-size:11px;letter-spacing:.06em;color:var(--faint);margin-bottom:10px;font-weight:400}
.cust-tiles{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.cust-tiles li{display:flex;align-items:center;gap:10px;border:1px solid var(--line);background:var(--ink-2);padding:10px 12px;font-size:12px;color:var(--text-strong)}
.cust-mono{flex:0 0 auto;width:30px;height:30px;border-radius:6px;display:grid;place-items:center;font-family:var(--font-display);font-size:14px;color:#EDE9DF;background:linear-gradient(135deg,#1F2627,#333C3D);border:1px solid var(--line-strong)}

/* 七项归一化交互总览 */
.ix-block{margin-top:26px;border-top:1px dashed var(--line-strong);padding-top:18px}
.ix-head{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:8px}
.ix-head h4{font-family:var(--font-display);font-weight:400;font-size:15px;color:var(--text-strong)}
.ix-controls{display:flex;gap:8px;flex-wrap:wrap}
.ix-chip{appearance:none;border:1px solid var(--line-strong);background:var(--ink-2);color:var(--muted);font:inherit;font-size:11px;letter-spacing:.03em;padding:5px 12px;cursor:pointer;transition:color .15s,border-color .15s}
.ix-chip:hover{color:var(--text-strong);border-color:var(--brass)}
.ix-chip[aria-pressed="false"]{opacity:.45}
.ix-hint{font-size:10.5px;color:var(--faint);margin-bottom:12px}
.ix-canvas{position:relative;overflow-x:auto;max-width:100%;-webkit-overflow-scrolling:touch;padding-bottom:4px}
.ix-canvas svg.ix-svg{display:block;width:auto;max-width:none;height:auto;margin:0 auto 8px}
.ix-canvas path[aria-label]{cursor:pointer;outline:none;transition:opacity .15s}
.ix-canvas path[aria-label]:focus-visible{stroke:var(--brass);stroke-width:2}
.ix-tooltip{position:absolute;left:0;top:0;pointer-events:none;background:rgba(22,27,29,.94);color:#EDE9DF;font-size:11px;line-height:1.6;padding:6px 10px;border-radius:3px;opacity:0;transform:translateY(3px);transition:opacity .15s,transform .15s;white-space:nowrap;z-index:5}
.ix-tooltip.on{opacity:1;transform:translateY(0)}

/* 雷达图 */
.tech-radar{margin:26px 0 0;display:grid;gap:12px;justify-items:center}
.tech-radar-canvas{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.tech-radar-canvas svg{display:block;width:auto;max-width:none;min-width:520px;height:auto;margin:0 auto}
.tech-figcap{max-width:560px;text-align:center}
.tech-figcap h4{font-family:var(--font-display);font-weight:400;font-size:14px;color:var(--text-strong);margin-bottom:6px}
.tech-figcap p{font-size:11px;line-height:1.8;color:var(--faint)}
@media(max-width:700px){.cust-tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}



/* 技术路线三张示意图 */
.tech-mini{display:block;width:100%;max-width:230px;height:auto;margin:0 0 12px;border:1px solid var(--line);background:rgba(233,230,223,.03);border-radius:4px}

/* ---------- 02 专利与资质版式（深色图 + 左右分栏） ---------- */
.patent-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(22px,3vw,40px);align-items:start;margin-top:4px}
.patent-layout .tech-kpi{margin:0}
.patent-layout .tech-kpi svg{width:100%;height:auto;margin:0}
.patent-side .tech-qual{margin-bottom:12px}
.patent-side .cust-grid{margin-top:0}
.patent-side .tech-block-note{margin-top:14px}
@media(max-width:900px){.patent-layout{grid-template-columns:1fr}}

/* ---------- 间距节奏统一 ---------- */
.section-heading{margin-bottom:clamp(32px,4.4vw,54px)}
@media(max-width:620px){
  section:not(.hero){padding-block:clamp(42px,12vw,60px)!important}
  .section-heading{margin-bottom:clamp(24px,7.5vw,30px)}
  .sec-kicker{margin-bottom:14px}
  .section-note{margin-top:20px}
}

/* ---------- 首屏入场（加载观感） ---------- */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: no-preference){
  .hero-meta,.hero-copy h1,.hero-intro,.hero-actions,.hero-visual{animation:rise .7s cubic-bezier(.22,.61,.36,1) both}
  .hero-copy h1{animation-delay:.08s}
  .hero-intro{animation-delay:.16s}
  .hero-actions{animation-delay:.26s}
  .hero-visual{animation-delay:.18s;animation-duration:.9s}
}

/* ---------- 交互层细节（深色图） ---------- */
.ix-tooltip{border:1px solid rgba(233,230,223,.16)}


/* 中 / EN 切换 */
.site-header nav a.lang-switch{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.06em;color:var(--muted);border:1px solid var(--line-strong);padding:3px 9px;line-height:1.2;transition:color .2s,border-color .2s}
.site-header nav a.lang-switch:hover{color:var(--brass);border-color:var(--brass)}

/* 320 极窄屏：标题孤行修复 */
@media(max-width:339px){
  h1{font-size:24px!important}
  .section-heading h2{font-size:19px!important}
  .contact-info h2{font-size:20px!important}
}

/* 404 页 */
.notfound{padding-block:clamp(90px,14vw,160px)!important;text-align:center;max-width:760px}
.notfound .sec-kicker{justify-content:center}
.notfound h1{font-size:clamp(30px,5vw,44px);margin-bottom:16px}
.notfound-lead{font-size:14px;color:var(--muted);max-width:46ch;margin:0 auto 30px}
.notfound-actions{display:flex;gap:18px;justify-content:center;flex-wrap:wrap}
.notfound .section-note{text-align:center;border-left:0;max-width:none;margin-top:40px}