/* ============================================================
   鼎順工業 DSI — shared.css  (Precision Engineering theme)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800;900&family=IBM+Plex+Sans+TC:wght@300;400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root{
  /* V6 palette — 拉大深色階差 30+，加入 paper-warm 為 About/Track 節奏底 */
  --ink:#0F1114;         /* 最深 · footer / hero base */
  --graphite:#181D26;    /* 中深 · sec-dark 主底 */
  --panel:#1A1F28;       /* sec elevated · panel base */
  --panel2:#262C36;      /* cards on dark · 30 階拉高於 --graphite */
  --paper:#F6F5F2;       /* section 米色 A */
  --paper2:#EDE8DA;      /* section 米色 B (warm) */
  --gold:#C0A15E;
  --gold-deep:#8A6E33;
  --gold-hi:#E6C275;
  --red:#E4002B;
  --tx-dark:#F6F5F2;
  --tx-mut-d:rgba(246,245,242,.6);
  --tx-mut-l:#5a616b;
  --line-d:rgba(255,255,255,.09);
  --line-l:rgba(0,0,0,.1);
  --disp:'Archivo',sans-serif;
  --body:'IBM Plex Sans TC',system-ui,sans-serif;
  --mono:'IBM Plex Mono',monospace;
  --mx:clamp(20px,5vw,56px);
  --shell:1320px;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--body);color:#14171C;background:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
::selection{background:var(--gold);color:var(--ink)}
h1,h2,h3,h4{letter-spacing:-.01em;text-wrap:balance}
ul{list-style:none}

.shell{max-width:var(--shell);margin:0 auto;padding-left:var(--mx);padding-right:var(--mx)}
.eyebrow{font-family:var(--mono);font-size:12px;letter-spacing:.24em;text-transform:uppercase;color:var(--gold);display:inline-flex;align-items:center;gap:12px}
.eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}
.eyebrow.nolead::before{display:none}
.eyebrow.dark{color:var(--gold-deep)}
.mono{font-family:var(--mono)}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 30px;font-weight:700;font-size:15px;letter-spacing:.03em;transition:transform .2s,background .2s,color .2s;cursor:pointer;border:0;font-family:var(--body)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:var(--gold-hi);color:var(--ink);transform:translateY(-2px)}
.btn-ghost-d{border:1px solid rgba(255,255,255,.24);color:var(--tx-dark)}
.btn-ghost-d:hover{border-color:var(--gold);color:var(--gold)}
.btn-ghost-l{border:1px solid var(--line-l);color:#14171C}
.btn-ghost-l:hover{border-color:var(--gold);color:var(--gold-deep)}
.link-arrow{font-family:var(--mono);font-size:13px;letter-spacing:.1em;color:var(--gold);border-bottom:1px solid rgba(192,161,94,.4);padding-bottom:4px;display:inline-block}

/* blueprint bg helper */
.blueprint{background-color:var(--ink);background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:58px 58px}
.glow-gold{position:absolute;inset:0;background:radial-gradient(circle at 72% 38%,rgba(192,161,94,.15),transparent 60%);pointer-events:none}

/* hero video */
.hero-wrap{position:relative;overflow:hidden;background:var(--ink)}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-scrim{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(11,12,14,.93) 0%,rgba(11,12,14,.74) 48%,rgba(11,12,14,.42) 100%),linear-gradient(0deg,rgba(11,12,14,.92),transparent 42%)}
.hero-scrim::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);background-size:58px 58px}
.hero-inner{position:relative;z-index:2;min-height:min(84vh,780px);display:flex;flex-direction:column;justify-content:center;padding-top:clamp(64px,9vw,120px);padding-bottom:clamp(64px,9vw,120px)}
.hero-play{position:absolute;right:var(--mx);bottom:clamp(24px,4vw,48px);z-index:3;font-family:var(--mono);font-size:11px;letter-spacing:.18em;color:rgba(246,245,242,.6);display:flex;align-items:center;gap:10px}
.hero-play::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);box-shadow:0 0 0 0 rgba(228,0,43,.6);animation:dsipulse 2s infinite}
.live-badge{position:absolute;top:14px;left:14px;z-index:2;display:flex;align-items:center;gap:8px;background:rgba(11,12,14,.62);backdrop-filter:blur(4px);padding:7px 12px;font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:rgba(246,245,242,.88);pointer-events:none}
.live-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);animation:dsipulse 2s infinite}

/* V6 hero full-width — 影片鋪滿 100vw，文案疊在左下 */
.hero-fw{position:relative;overflow:hidden;background:var(--ink);min-height:min(88vh,780px);isolation:isolate}
.hero-fw .hf-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;pointer-events:none}
.hero-fw .hf-scrim{position:absolute;inset:0;z-index:1;pointer-events:none;background:linear-gradient(180deg,rgba(15,17,20,.55) 0%,rgba(15,17,20,.25) 30%,rgba(15,17,20,.55) 65%,rgba(15,17,20,.92) 100%),linear-gradient(90deg,rgba(15,17,20,.7) 0%,rgba(15,17,20,.35) 45%,rgba(15,17,20,.15) 100%)}
.hero-fw .hf-scrim::after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);background-size:58px 58px;opacity:.9}
.hero-fw .hf-inner{position:relative;z-index:2;min-height:inherit;display:flex;align-items:flex-end;padding-top:clamp(120px,15vw,220px);padding-bottom:clamp(80px,9vw,130px)}
.hero-fw .hf-inner .shell{width:100%}
.hero-fw .hf-eyebrow{color:var(--gold-hi)}
.hero-fw .hf-headline{font-family:var(--disp);font-weight:900;font-size:clamp(44px,6.8vw,96px);line-height:.94;color:var(--paper);letter-spacing:-.01em;margin-top:26px}
.hero-fw .hf-headline em{font-style:normal;color:var(--gold-hi)}
.hero-fw .hf-lead{margin:26px 0 0;max-width:560px;font-size:16.5px;line-height:1.85;color:rgba(246,245,242,.78)}
.hero-fw .hf-cta{display:flex;gap:16px;margin-top:36px;flex-wrap:wrap}
.hero-fw .hf-live{position:absolute;top:clamp(90px,11vw,150px);right:var(--mx);z-index:3;display:flex;align-items:center;gap:9px;background:rgba(15,17,20,.55);backdrop-filter:blur(6px);padding:9px 14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;color:var(--gold-hi);border:1px solid rgba(192,161,94,.25)}
.hero-fw .hf-live::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);animation:dsipulse 1.8s infinite}
.hero-fw .hf-scroll{position:absolute;bottom:clamp(20px,3vw,36px);right:var(--mx);z-index:3;font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:rgba(246,245,242,.55);display:flex;align-items:center;gap:10px;pointer-events:none}
.hero-fw .hf-scroll::after{content:"";width:1px;height:32px;background:linear-gradient(180deg,var(--gold-hi),transparent);animation:hfscroll 2s infinite}
@keyframes hfscroll{0%{transform:translateY(-8px);opacity:0}50%{opacity:1}100%{transform:translateY(8px);opacity:0}}
@media(max-width:820px){
  .hero-fw{min-height:min(78vh,660px)}
  .hero-fw .hf-live{top:80px}
  .hero-fw .hf-scroll{display:none}
}
.hero-chip{position:absolute;bottom:24px;left:-22px}
@media(max-width:900px){
  .hero-chip{position:static!important;left:auto!important;bottom:auto!important;margin-top:16px;box-shadow:none!important;border:1px solid var(--line-l)}
}
@keyframes dsipulse{0%{box-shadow:0 0 0 0 rgba(228,0,43,.5)}70%{box-shadow:0 0 0 10px rgba(228,0,43,0)}100%{box-shadow:0 0 0 0 rgba(228,0,43,0)}}

/* image placeholder (carries data-bind-bg for CMS) */
.ph{position:relative;background-color:var(--panel2);background-size:cover;background-position:center;overflow:hidden}
.ph::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;opacity:.7}
.ph[style*="url"]::before,.ph.filled::before{display:none}
.ph-label{position:absolute;left:16px;bottom:14px;font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:rgba(246,245,242,.4);z-index:1}
.ph.light{background-color:#e8e6df}
.ph.light::before{background-image:linear-gradient(rgba(0,0,0,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,0,0,.05) 1px,transparent 1px)}
.ph.light .ph-label{color:rgba(0,0,0,.32)}
.corner-tl{position:absolute;top:-1px;left:-1px;width:26px;height:26px;border-top:2px solid var(--gold);border-left:2px solid var(--gold);pointer-events:none}
.corner-br{position:absolute;bottom:-1px;right:-1px;width:26px;height:26px;border-bottom:2px solid var(--gold);border-right:2px solid var(--gold);pointer-events:none}

/* ---------------- HEADER ---------------- */
.util-bar{background:#08090A;border-bottom:1px solid rgba(255,255,255,.07)}
.util-bar .shell{height:38px;display:flex;align-items:center;justify-content:space-between;font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:rgba(255,255,255,.5);text-transform:uppercase}
.util-bar .u-right{display:flex;gap:20px;align-items:center}
.util-bar .u-right .tel{color:rgba(255,255,255,.72)}
.util-bar .sep{color:rgba(255,255,255,.28)}

.site-header{position:sticky;top:0;z-index:200;background:rgba(11,12,14,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-d)}
.site-header .shell{height:74px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:34px;width:auto}
.brand .bt{display:flex;flex-direction:column;line-height:1.05;border-left:1px solid rgba(255,255,255,.16);padding-left:14px}
.brand .bt .zh{font-weight:700;font-size:16px;letter-spacing:.14em;color:var(--paper)}
.brand .bt .en{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;color:var(--gold)}

.desknav{display:flex;align-items:center;gap:2px}
.desknav>a,.navitem>a{padding:10px 15px;font-size:14.5px;font-weight:500;color:rgba(246,245,242,.8);white-space:nowrap}
.desknav>a.active,.navitem>a.active{color:var(--paper)}
.desknav>a:hover,.navitem>a:hover{color:var(--gold)}
.navitem{position:relative}
.navitem>a{display:inline-flex;align-items:center;gap:6px}
.navitem .caret{font-size:9px;color:var(--gold)}
.nav-cta{margin-left:12px;padding:11px 22px;background:var(--gold);color:var(--ink)!important;font-size:14px;font-weight:700;letter-spacing:.04em}
.nav-cta:hover{background:var(--gold-hi)}

/* V6 mega dropdown — 補上 14px hover bridge，滑鼠往下不再掉 hover */
.navitem::after{content:"";position:absolute;top:100%;left:-8px;right:-8px;height:16px;background:transparent;opacity:0;visibility:hidden;pointer-events:none;z-index:209}
.navitem:hover::after{opacity:1;visibility:visible;pointer-events:auto}
.mega{position:absolute;top:calc(100% + 14px);left:50%;transform:translateX(-50%) translateY(8px);width:min(760px,90vw);background:var(--panel2);border:1px solid rgba(192,161,94,.28);border-top:2px solid var(--gold-hi);box-shadow:0 30px 80px rgba(0,0,0,.6);display:grid;grid-template-columns:repeat(3,1fr);opacity:0;visibility:hidden;transition:opacity .22s,transform .22s;z-index:210}
.navitem:hover .mega,.mega:hover{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega .col{padding:26px 24px;border-right:1px solid rgba(255,255,255,.08)}
.mega .col:last-child{border-right:0}
.mega .mk{font-family:var(--mono);font-size:10px;letter-spacing:.22em;color:var(--gold)}
.mega .mt{font-weight:700;font-size:17px;color:var(--paper);margin:8px 0 12px}
.mega .ml{font-size:13px;color:rgba(246,245,242,.55);line-height:2}
.mega .ml a{display:block}
.mega.compact{grid-template-columns:1fr;width:220px}
.mega.compact a{display:block;padding:14px 22px;border-bottom:1px solid rgba(255,255,255,.06);font-size:14.5px;color:rgba(246,245,242,.82)}
.mega.compact a:last-child{border-bottom:0}
.mega.compact a:hover{color:var(--gold);background:rgba(255,255,255,.03)}

.burger{display:none;background:none;border:1px solid rgba(255,255,255,.2);color:var(--paper);width:44px;height:44px;font-size:20px;cursor:pointer;align-items:center;justify-content:center}
.mobilenav{display:none;border-top:1px solid var(--line-d);background:var(--ink);padding:14px var(--mx) 28px}
.mobilenav.open{display:block}
.mobilenav a{display:block;padding:14px 4px;font-size:16px;color:var(--paper);border-bottom:1px solid rgba(255,255,255,.06)}
.mobilenav .mcta{margin-top:14px;padding:15px;background:var(--gold);color:var(--ink);text-align:center;font-weight:700;border-bottom:0}
.mobilenav .sub{font-size:13.5px;color:rgba(246,245,242,.55);padding:8px 4px 8px 18px;border-bottom:1px solid rgba(255,255,255,.04)}

/* ---------------- PAGE HERO (interior) ---------------- */
.page-hero{position:relative;padding:clamp(56px,7vw,104px) 0 clamp(48px,6vw,80px)}
.page-hero .eyebrow{margin-bottom:22px}
.page-hero h1{font-family:var(--body);font-weight:700;font-size:clamp(36px,5.4vw,72px);line-height:1;color:var(--paper)}
.page-hero .en-sub{font-family:var(--disp);font-weight:800;font-size:clamp(13px,1.4vw,16px);letter-spacing:.22em;color:var(--gold);text-transform:uppercase;margin-top:18px}
.page-hero .lead{max-width:600px;font-size:17px;line-height:1.9;color:var(--tx-mut-d);margin-top:22px}
.crumb{font-family:var(--mono);font-size:11px;letter-spacing:.16em;color:rgba(246,245,242,.4);text-transform:uppercase;margin-bottom:26px}
.crumb a:hover{color:var(--gold)}

/* ---------------- SECTIONS ---------------- */
.sec{padding:clamp(64px,8vw,128px) 0}
/* V6 sections — 深 sec-dark + 更深 sec-ink + 兩層米色節奏 */
.sec-dark{background:var(--graphite);position:relative;isolation:isolate}
.sec-ink{background:var(--ink);position:relative;isolation:isolate}
.sec-paper{background:var(--paper);position:relative;isolation:isolate}
.sec-paper.warm{background:var(--paper2)}

/* V6 深色 section 上下金線分隔 + 產業齒輪水印(inline SVG data URI) */
.sec-dark::before,.sec-ink::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(192,161,94,.55) 25%,rgba(192,161,94,.55) 75%,transparent);pointer-events:none;z-index:0}
.sec-dark::after,.sec-ink::after{content:"";position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(192,161,94,.35) 30%,rgba(192,161,94,.35) 70%,transparent);pointer-events:none;z-index:0}
.sec-dark .shell,.sec-ink .shell,.sec-paper .shell{position:relative;z-index:1}
.sec-dark .gear-wm,.sec-ink .gear-wm{position:absolute;top:50%;right:-6vw;transform:translateY(-50%);width:min(360px,44vw);aspect-ratio:1;pointer-events:none;opacity:.055;z-index:0;background:url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='-50 -50 100 100' fill='none' stroke='%23E6C275' stroke-width='1.4'%3E%3Ccircle r='42'/%3E%3Ccircle r='30'/%3E%3Ccircle r='6'/%3E%3Cg%3E%3Cline x1='0' y1='-48' x2='0' y2='-36'/%3E%3Cline x1='0' y1='48' x2='0' y2='36'/%3E%3Cline x1='-48' y1='0' x2='-36' y2='0'/%3E%3Cline x1='48' y1='0' x2='36' y2='0'/%3E%3Cline x1='-34' y1='-34' x2='-26' y2='-26'/%3E%3Cline x1='34' y1='-34' x2='26' y2='-26'/%3E%3Cline x1='-34' y1='34' x2='-26' y2='26'/%3E%3Cline x1='34' y1='34' x2='26' y2='26'/%3E%3C/g%3E%3C/svg%3E") center/contain no-repeat}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;flex-wrap:wrap;gap:20px;margin-bottom:52px}
h2.big{font-family:var(--body);font-weight:700;font-size:clamp(30px,3.6vw,46px);line-height:1.15;margin-top:18px}
.on-dark h2.big{color:var(--paper)}
.on-paper h2.big{color:#14171C}
.rule-gold{width:56px;height:3px;background:var(--gold);margin-top:24px}

/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-strip .st{padding:34px 20px;border-right:1px solid var(--line-d)}
.stat-strip .st:first-child{padding-left:0}
.stat-strip .st:last-child{border-right:0;padding-right:0}
.stat-num{font-family:var(--disp);font-weight:800;font-size:clamp(34px,3.4vw,46px);color:var(--paper);line-height:1}
.stat-num .g{color:var(--gold)}
.stat-lab{font-size:13px;color:rgba(246,245,242,.5);margin-top:6px;letter-spacing:.05em}
.stat-strip.light .stat-num{color:#14171C}
.stat-strip.light .st{border-color:var(--line-l)}
.stat-strip.light .stat-lab{color:#6b7079}

/* generic grid card set with 1px seam */
.seam-grid{display:grid;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.seam-grid.light{background:var(--line-l);border-color:var(--line-l)}
.seam-grid>*{background:var(--graphite)}
.seam-grid.light>*{background:var(--paper)}

/* product category card */
.pcard{padding:38px 32px}
.pcard .pc-top{display:flex;justify-content:space-between;align-items:baseline}
.pcard .pc-no{font-family:var(--disp);font-weight:800;font-size:15px;letter-spacing:.1em;color:var(--gold)}
.pcard .pc-tag{font-family:var(--mono);font-size:10px;letter-spacing:.18em;color:rgba(255,255,255,.35)}
.pcard h3{font-weight:700;font-size:24px;color:var(--paper);margin:20px 0 14px}
.pcard p{font-size:14px;color:rgba(246,245,242,.55);line-height:1.8;margin-bottom:22px}
.pcard .plist li{font-size:14.5px;color:rgba(246,245,242,.82);display:flex;gap:10px;padding:6px 0}
.pcard .plist li::before{content:"—";color:var(--gold)}
.pill{font-family:var(--mono);font-size:11px;color:var(--gold);border:1px solid rgba(192,161,94,.4);padding:1px 7px;margin-left:6px}

/* full spec table (dark) */
.spec-wrap{overflow-x:auto;border:1px solid var(--line-d);-webkit-overflow-scrolling:touch}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
.spec-table th,.spec-table td{padding:13px 18px;border-bottom:1px solid var(--line-d);border-right:1px solid var(--line-d);text-align:left}
.spec-table th:last-child,.spec-table td:last-child{border-right:0}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table thead th{background:#08090A;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--gold);text-transform:uppercase}
.spec-table thead th:first-child{color:rgba(255,255,255,.5)}
.spec-table tbody th{font-weight:500;color:rgba(246,245,242,.66);font-size:13px;background:rgba(255,255,255,.02);white-space:nowrap}
.spec-table tbody td{color:var(--paper);font-family:var(--mono);font-size:13.5px}
.feat-photo{aspect-ratio:4/3;border-bottom:1px solid var(--line-d)}

/* spec chip grid */
.spec2{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-d);border:1px solid var(--line-d)}
.spec2>div{background:var(--panel2);padding:16px 18px}
.spec-k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.4)}
.spec-v{font-family:var(--disp);font-weight:700;font-size:20px;color:var(--gold);margin-top:4px}

/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.nc{background:var(--ink);border:1px solid var(--line-d);display:block;transition:transform .25s,border-color .25s}
.nc:hover{transform:translateY(-4px);border-color:rgba(192,161,94,.5)}
.nc .nc-img{aspect-ratio:4/3}
.nc .nc-body{padding:22px 22px 26px}
.nc .nc-cat{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--gold)}
.nc h3{font-size:16px;font-weight:600;color:var(--paper);margin:10px 0 8px;line-height:1.5}
.nc p{font-size:13px;color:rgba(246,245,242,.5);line-height:1.7}
.nc .nc-date{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.35);margin-top:16px}

/* news list (news.html) */
.news-list{display:flex;flex-direction:column;border-top:1px solid var(--line-l)}.news-list .nl{display:grid;grid-template-columns:200px 1fr auto;gap:32px;align-items:center;padding:28px 8px;border-bottom:1px solid var(--line-l)}
.news-list .nl .nl-img{aspect-ratio:16/10;border:1px solid var(--line-l)}
.news-list .nl .nl-cat{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--gold-deep)}
.news-list .nl h3{font-size:19px;font-weight:600;color:#14171C;margin:8px 0 8px}
.news-list .nl p{font-size:14px;color:var(--tx-mut-l);line-height:1.7;max-width:640px}
.news-list .nl .nl-date{font-family:var(--mono);font-size:13px;color:#8a8f97;white-space:nowrap}
.news-list .nl:hover h3{color:var(--gold-deep)}

/* ---------------- FOOTER ---------------- */
/* V6 footer — 深底 + 金線 top border + logo lockup 修 */
.site-footer{background:linear-gradient(180deg,#0F1114 0%,#08090A 100%);border-top:1px solid rgba(192,161,94,.28);color:rgba(246,245,242,.72);position:relative;isolation:isolate}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--gold) 30%,var(--gold) 70%,transparent);pointer-events:none;z-index:1}
.site-footer .shell{position:relative;z-index:2}
.site-footer .f-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding:clamp(56px,7vw,90px) 0 56px}
/* V6 lockup — 金 DSi 標記 + 白色中文全名 + 金色英文全稱 (原 logo.png 黑字在深底看不見) */
.site-footer .f-brand .f-lockup{display:flex;align-items:center;gap:16px;padding-bottom:22px;margin-bottom:22px;border-bottom:1px solid rgba(192,161,94,.24)}
.site-footer .f-brand .f-lockup img{height:56px;width:auto;margin:0;flex-shrink:0}
.site-footer .f-brand .f-lockup .f-name{display:flex;flex-direction:column;line-height:1.1}
.site-footer .f-brand .f-lockup .f-name .zh{font-family:var(--body);font-weight:700;font-size:20px;letter-spacing:.14em;color:var(--paper);text-shadow:0 1px 0 rgba(0,0,0,.35)}
.site-footer .f-brand .f-lockup .f-name .en{font-family:var(--mono);font-size:9.5px;letter-spacing:.24em;color:var(--gold-hi);text-transform:uppercase;margin-top:6px}
.site-footer .f-brand p{font-size:14px;line-height:1.9;color:rgba(246,245,242,.62);max-width:340px}
.site-footer h4{font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:20px}
.site-footer .f-col a{display:block;font-size:14.5px;color:rgba(246,245,242,.72);padding:7px 0}
.site-footer .f-contact div{font-size:14px;line-height:1.7;color:rgba(246,245,242,.72);margin-bottom:12px}
.site-footer .f-contact .k{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.35);display:block;margin-bottom:2px}
.site-footer .f-bottom{border-top:1px solid var(--line-d);padding:22px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.site-footer .f-bottom .cp{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:rgba(255,255,255,.4)}
.site-footer .f-bottom .iso{font-family:var(--mono);font-size:11px;letter-spacing:.14em;color:var(--gold);border:1px solid rgba(192,161,94,.35);padding:5px 12px}

/* floating buttons (LINE official + top) */
.float-stack{position:fixed;right:20px;bottom:20px;z-index:150;display:flex;flex-direction:column;gap:12px}
.float-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px rgba(0,0,0,.35);transition:transform .2s}
.float-btn:hover{transform:scale(1.08)}
.float-line{background:#06C755}
.float-line svg{width:34px;height:34px;fill:#fff}
.float-top{background:var(--gold);color:var(--ink);font-size:20px;cursor:pointer}
.float-top:hover{color:var(--ink)}
/* social icons */
.soc-row{display:flex;gap:12px;align-items:center}
.soc-ic{width:38px;height:38px;border:1px solid rgba(255,255,255,.16);border-radius:50%;display:flex;align-items:center;justify-content:center;color:rgba(246,245,242,.72);transition:all .2s}
.soc-ic svg{width:16px;height:16px;fill:currentColor}
.soc-ic:hover{background:var(--gold);border-color:var(--gold);color:var(--ink)}
.util-bar .soc-mini{display:inline-flex;gap:12px;align-items:center}
.util-bar .soc-mini a{color:rgba(255,255,255,.5);display:inline-flex}
.util-bar .soc-mini a:hover{color:var(--gold)}
.util-bar .soc-mini svg{width:14px;height:14px;fill:currentColor}

/* contact form */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-deep)}
.field input,.field textarea,.field select{font-family:var(--body);font-size:15px;padding:14px 16px;border:1px solid var(--line-l);background:#fff;color:#14171C;transition:border-color .2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--gold)}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .desknav{display:none}
  .burger{display:flex}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .site-footer .f-main{grid-template-columns:1fr 1fr;gap:36px}
}
@media(max-width:768px){
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-strip .st{border-right:0;border-bottom:1px solid var(--line-d);padding:24px 0}
  .stat-strip .st:nth-child(odd){padding-right:20px}
  .stat-strip .st:nth-child(even){padding-left:20px;border-left:1px solid var(--line-d)}
  .util-bar .u-left{display:none}
  .util-bar .shell{justify-content:flex-end}
  .news-list .nl{grid-template-columns:1fr;gap:14px}
  .news-list .nl .nl-img{max-width:100%}
  .news-list .nl .nl-date{order:-1}
}
@media(max-width:560px){
  .news-grid{grid-template-columns:1fr}
  .site-footer .f-main{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .brand .bt .en{display:none}
}
/* grids that pages set inline will add their own RWD via .rwd-2 / .rwd-3 helpers */
.rwd-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,6vw,96px);align-items:center}
.rwd-3{display:grid;grid-template-columns:repeat(3,1fr)}
.rwd-cards3{display:grid;grid-template-columns:repeat(3,1fr)}
.rwd-cards2{display:grid;grid-template-columns:repeat(2,1fr)}
.rwd-logos{display:grid;grid-template-columns:repeat(6,1fr)}
@media(max-width:900px){
  .rwd-2{grid-template-columns:1fr;gap:40px}
  .rwd-cards3,.rwd-3{grid-template-columns:1fr}
  .rwd-logos{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:700px){
  .rwd-cards2{grid-template-columns:1fr}
}

/* blog / qa / filter (collection pages, light) */
.blog-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.bcard{background:#fff;border:1px solid var(--line-l);display:block;transition:transform .25s,box-shadow .25s}
.bcard:hover{transform:translateY(-4px);box-shadow:0 20px 44px rgba(0,0,0,.08)}
.bcard .b-img{aspect-ratio:16/10;border-bottom:1px solid var(--line-l)}
.bcard .b-body{padding:24px}
.bcard .b-cat{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--gold-deep)}
.bcard h3{font-size:18px;color:#14171C;margin:10px 0 10px;line-height:1.5;font-weight:600}
.bcard:hover h3{color:var(--gold-deep)}
.bcard p{font-size:13.5px;color:#6b7079;line-height:1.7}
.bcard .b-date{font-family:var(--mono);font-size:11px;color:#9a9fa7;margin-top:16px}
@media(max-width:900px){.blog-list{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.blog-list{grid-template-columns:1fr}}

.qa-list{border-top:1px solid var(--line-l)}
.qa-item{border-bottom:1px solid var(--line-l)}
.qa-item summary{list-style:none;cursor:pointer;padding:26px 8px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.qa-item summary::-webkit-details-marker{display:none}
.qa-item summary h3{font-size:18px;color:#14171C;font-weight:600;display:flex;align-items:baseline}
.qa-item summary .qmark{font-family:var(--mono);color:var(--gold-deep);font-size:22px;transition:transform .25s;flex-shrink:0}
.qa-item[open] summary .qmark{transform:rotate(45deg)}
.qa-item .qa-a{padding:0 8px 28px 40px;font-size:15px;color:#5a616b;line-height:1.85;max-width:840px}
.qa-item .q-no{font-family:var(--mono);font-size:12px;color:var(--gold-deep);letter-spacing:.14em;margin-right:14px}

.filter-chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.filter-chips a{font-family:var(--mono);font-size:12px;letter-spacing:.08em;padding:9px 18px;border:1px solid var(--line-l);color:#5a616b}
.filter-chips a.active,.filter-chips a:hover{background:#14171C;color:#fff;border-color:#14171C}

/* ===================================================================
   鼎順 2026-09 可讀性強化(客戶回饋:金色小字太小、黑底灰字看不清、logo 太小)
   放在 shared.css 最後 → 覆蓋原設定,不動原本規則,要調整/還原都容易
   =================================================================== */

/* ── 1) 頁首 logo 與「鼎順工業」放大 ── */
.brand img{height:48px}                       /* 34 → 48 */
.brand .bt{padding-left:16px}
.brand .zh{font-size:21px;letter-spacing:.16em}   /* 16 → 21 */
.brand .en{font-size:11.5px;letter-spacing:.2em}  /* 9.5 → 11.5 */
@media(max-width:820px){
  .brand img{height:40px}
  .brand .zh{font-size:18px}
}

/* ── 2) 金色小字整體加大(客戶指名看不清楚的那些) ── */
.eyebrow{font-size:14.5px;letter-spacing:.2em}    /* 12 → 14.5 */
.link-arrow{font-size:15px}                       /* 13 → 15 */
.mk{font-size:12.5px}                             /* 10 → 12.5 */
.pill{font-size:13px;padding:2px 9px}             /* 11 → 13 */
.iso{font-size:13px}                              /* 11 → 13 */
.nc-cat,.nl-cat,.b-cat{font-size:12.5px;letter-spacing:.14em}  /* 10 → 12.5 */
.q-no{font-size:14px}                             /* 12 → 14 */
.pc-no{font-size:17px}                            /* 15 → 17 */
.en-sub{font-size:clamp(15px,1.7vw,19px)}         /* 13~16 → 15~19 */
.spec-k{font-size:13.5px}
.spec-v{font-size:23px}                           /* 20 → 23 */
.caret{font-size:11px}                            /* 9 → 11 */
.nav-cta{font-size:15px}                          /* 14 → 15 */

/* ── 3) 內文加大 + 提高對比(黑底灰字原本 .5~.6 太淡) ── */
:root{--tx-mut-d:rgba(246,245,242,.78)}           /* .6 → .78 */
p{font-size:15.5px;line-height:1.85}              /* 14 → 15.5 */
.lead{font-size:18.5px;line-height:1.9}           /* 17 → 18.5 */
.site-footer p,.f-brand p{font-size:15px;color:rgba(246,245,242,.72)}
.nc-body p,.nl-card p,.bcard p{font-size:14.5px;color:rgba(246,245,242,.72)}
/* 深色底上的淡灰字統一提亮 */
.section-dark p,.panel p,.dark p{color:rgba(246,245,242,.76)}

/* ── 4) 表格/規格類小字 ── */
.field,.filter-chips{font-size:13.5px}
.mono{letter-spacing:.16em}

@media(max-width:640px){
  p{font-size:15px}
  .lead{font-size:17px}
  .eyebrow{font-size:13.5px}
}

/* ── 產品下拉選單:分類 + 產品清單(2026-09 客戶要求) ── */
.mega .col{padding:24px 22px}
.mega .col-h{display:block;text-decoration:none;padding-bottom:12px;margin-bottom:12px;
  border-bottom:1px solid rgba(255,255,255,.1)}
.mega .col-h:hover .mt{color:var(--gold)}
.msub-list{display:flex;flex-direction:column;gap:9px}
.msub{font-size:14px;color:rgba(246,245,242,.72);text-decoration:none;line-height:1.45;
  padding-left:12px;border-left:2px solid transparent;transition:.22s}
.msub:hover{color:var(--gold);border-left-color:var(--gold);padding-left:16px}
.mob-nav .sub2{font-size:13.5px;color:rgba(246,245,242,.6);padding-left:22px}

/* ── V6 世界地圖 —— 40+ 出貨國動態點狀分佈 + 台灣散航線 ── */
.world-map-fx{position:relative;aspect-ratio:1/1;background:radial-gradient(ellipse at center,#1A1F28 0%,#0F1114 100%);border:1px solid rgba(192,161,94,.22);overflow:hidden}
.world-map-fx::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(192,161,94,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(192,161,94,.05) 1px,transparent 1px);background-size:32px 32px;pointer-events:none}
.world-map-fx svg{position:relative;width:100%;height:100%;display:block;z-index:1}
.world-map-fx .continent{fill:rgba(192,161,94,.05);stroke:rgba(192,161,94,.22);stroke-width:.4}
.world-map-fx .dot{fill:var(--gold-hi);animation:wm-blink 2.4s infinite}
.world-map-fx .dot.hub{fill:#E4002B;filter:drop-shadow(0 0 6px rgba(228,0,43,.6))}
.world-map-fx .dot.d2{animation-delay:.3s}.world-map-fx .dot.d3{animation-delay:.6s}
.world-map-fx .dot.d4{animation-delay:.9s}.world-map-fx .dot.d5{animation-delay:1.2s}
.world-map-fx .dot.d6{animation-delay:1.5s}.world-map-fx .dot.d7{animation-delay:1.8s}
.world-map-fx .dot.d8{animation-delay:2.1s}
@keyframes wm-blink{0%,100%{opacity:.4;r:2.2}50%{opacity:1;r:4}}
.world-map-fx .route{fill:none;stroke:var(--gold);stroke-width:.6;stroke-dasharray:2 3;opacity:.55;stroke-linecap:round;animation:wm-route 4.5s linear infinite}
.world-map-fx .route.r2{animation-delay:.6s}.world-map-fx .route.r3{animation-delay:1.2s}
.world-map-fx .route.r4{animation-delay:1.8s}.world-map-fx .route.r5{animation-delay:2.4s}
.world-map-fx .route.r6{animation-delay:3.0s}
@keyframes wm-route{to{stroke-dashoffset:-40}}
.world-map-fx .legend{position:absolute;left:14px;bottom:14px;font-family:var(--mono);font-size:10.5px;letter-spacing:.18em;color:var(--gold-hi);text-transform:uppercase;z-index:2;display:flex;flex-direction:column;gap:6px;pointer-events:none}
.world-map-fx .legend .row{display:flex;align-items:center;gap:8px}
.world-map-fx .legend .row .swatch{width:9px;height:9px;border-radius:50%}
.world-map-fx .legend .row .swatch.hub{background:#E4002B}
.world-map-fx .legend .row .swatch.mkt{background:var(--gold-hi)}
.world-map-fx .compass{position:absolute;top:14px;right:14px;font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;color:rgba(230,194,117,.55);z-index:2}
@media(prefers-reduced-motion:reduce){
  .world-map-fx .dot,.world-map-fx .route,.hero-fw .hf-scroll::after{animation:none}
  .world-map-fx .dot{opacity:.85;r:3}
}