/* ============================================================
   BOGEQI — style 17 "widescreen"
   tokens / layout / components
   ============================================================ */

:root{
  --bg:#060606;
  --bg2:#0a0a0a;
  --surface:#0d0d0d;
  --ink:#eae6dd;
  --ink2:#a8a294;
  --ink3:#6f6a60;
  --line:rgba(234,230,221,.14);
  --line2:rgba(234,230,221,.07);
  --accent:#b99a5b;
  --accent-soft:rgba(185,154,91,.14);
  --serif:Georgia,'Times New Roman',serif;
  --sans:'Segoe UI',system-ui,-apple-system,sans-serif;
  --ease:cubic-bezier(.165,.84,.44,1);
  --max:1320px;
  --pad:clamp(24px,4.4vw,64px);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:15px;line-height:1.75;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
/* 关键：img 必须 height:auto，否则 width/height 属性里的 height 会变成固定像素高，
   宽度被 max-width 压窄后图片被拉伸（2026-10-25 报的"图片比例不对"根因） */
img{height:auto}
/* <picture> 只做格式分发，不参与布局：让内部 img 等同于父元素的直接子元素 */
picture{display:contents}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--accent);color:#0b0906}

/* ---------- 基础排版 ---------- */
.serif{font-family:var(--serif)}
.kick{font-size:9px;letter-spacing:.5em;text-transform:uppercase;
  color:rgba(234,230,221,.55);margin-bottom:clamp(16px,2.4vh,28px)}
.kick a{color:inherit;border-bottom:1px solid transparent}
.kick a:hover{color:var(--accent);border-color:var(--accent)}
h1,.h1{font-family:var(--serif);font-weight:400;text-transform:uppercase;
  font-size:clamp(26px,4vw,54px);line-height:1.4;letter-spacing:.09em;color:var(--ink)}
h2,.h2{font-family:var(--serif);font-weight:400;text-transform:uppercase;
  font-size:clamp(18px,2.3vw,30px);line-height:1.5;letter-spacing:.11em;color:var(--ink)}
h3,.h3{font-family:var(--serif);font-weight:400;font-size:clamp(15px,1.5vw,19px);
  line-height:1.55;letter-spacing:.13em;text-transform:uppercase;color:var(--ink)}
h4{font-family:var(--serif);font-weight:400;font-size:14px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--ink)}
p{color:var(--ink2);font-size:14px;line-height:2;letter-spacing:.035em}
strong{color:var(--ink);font-weight:600}
a.link{color:var(--ink);border-bottom:1px solid var(--line);padding-bottom:1px;transition:.3s}
a.link:hover{color:var(--accent);border-color:var(--accent)}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.narrow{max-width:860px;margin-left:auto;margin-right:auto}
.center{text-align:center}

/* ---------- 导航 ---------- */
.nav{position:fixed;inset:0 0 auto 0;z-index:90;transition:.45s var(--ease);
  background:linear-gradient(180deg,rgba(6,6,6,.9),rgba(6,6,6,.45) 64%,transparent)}
.nav-in{display:flex;align-items:center;justify-content:space-between;gap:22px;
  padding:24px var(--pad);max-width:var(--max);margin:0 auto;transition:.4s var(--ease)}
.nav.solid{background:rgba(6,6,6,.95);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line2)}
.nav.solid .nav-in{padding-top:15px;padding-bottom:15px}
.logo{font-family:var(--serif);font-size:16px;letter-spacing:.34em;color:var(--ink);
  white-space:nowrap}
.logo span{color:var(--accent)}
.links{display:flex;gap:clamp(14px,2vw,32px);font-size:9px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--ink2)}
.links a{transition:.3s;white-space:nowrap}
.links a:hover,.links a[aria-current]{color:var(--ink)}
.nav-cta{font-size:9px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink);
  border:1px solid var(--line);padding:11px 18px;transition:.35s var(--ease);white-space:nowrap}
.nav-cta:hover{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.burger{display:none;width:26px;height:14px;position:relative}
.burger i{position:absolute;left:0;right:0;height:1px;background:var(--ink);transition:.3s}
.burger i:nth-child(1){top:0}.burger i:nth-child(2){bottom:0}

/* ---------- 首屏（首页） ---------- */
.hero{position:relative;height:clamp(620px,92vh,940px);display:flex;align-items:center;
  justify-content:center;text-align:center;overflow:hidden}
.hero-media{position:absolute;inset:0;z-index:1}
.hero-media img{width:100%;height:100%;object-fit:cover;
  filter:saturate(.9) contrast(1.06)}
.hero-scrim{position:absolute;inset:0;z-index:2;
  background:radial-gradient(ellipse at 50% 46%,rgba(6,6,6,.6),rgba(6,6,6,.79) 52%,
  rgba(6,6,6,.93) 82%,var(--bg)),
  linear-gradient(180deg,rgba(6,6,6,.88),transparent 26%,transparent 62%,rgba(6,6,6,.96))}
.bar{position:absolute;left:0;right:0;height:clamp(26px,4vh,50px);background:var(--bg);z-index:3}
.bar.t{top:0}.bar.b{bottom:0}
.hero-in{position:relative;z-index:4;max-width:900px;padding:0 clamp(24px,5vw,60px)}
.hero-in h1{font-size:clamp(26px,4.2vw,58px);line-height:1.42;letter-spacing:.1em;
  text-shadow:0 2px 40px rgba(0,0,0,.85),0 0 90px rgba(0,0,0,.5)}
.hero-in p{margin:clamp(18px,3vh,30px) auto 0;max-width:52ch;color:#c8c3b8;
  font-size:13.5px;line-height:2.05;text-shadow:0 1px 26px rgba(0,0,0,.9)}
.hero-btns{display:flex;gap:14px;justify-content:center;margin-top:clamp(26px,4vh,42px);flex-wrap:wrap}
.credit,.scrollhint{position:absolute;z-index:4;bottom:clamp(44px,7vh,84px);
  font-size:8.5px;letter-spacing:.34em;text-transform:uppercase;color:var(--ink3)}
.credit{left:var(--pad)}.scrollhint{right:var(--pad)}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;font-size:9.5px;letter-spacing:.3em;text-transform:uppercase;
  padding:15px 28px;border:1px solid var(--line);transition:.4s var(--ease);white-space:nowrap}
.btn-fill{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.btn-fill:hover{background:var(--accent);border-color:var(--accent);color:#0b0906}
.btn-line:hover{border-color:var(--ink);color:var(--ink)}
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}

/* ---------- 字幕条 ---------- */
.strip{border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.strip-in{display:grid;grid-template-columns:repeat(5,1fr);max-width:var(--max);
  margin:0 auto;padding:0 var(--pad)}
.strip-i{padding:24px 0;text-align:center;border-right:1px solid var(--line2)}
.strip-i:last-child{border-right:0}
.strip-i b{display:block;font-family:var(--serif);font-size:19px;font-weight:400;
  letter-spacing:.06em;margin-bottom:6px;color:var(--ink)}
.strip-i span{font-size:8.5px;letter-spacing:.28em;text-transform:uppercase;color:var(--ink3)}

/* ---------- 区块 ---------- */
.sec{padding:clamp(64px,10vh,116px) 0}
.sec.tight{padding:clamp(44px,6vh,72px) 0}
.sec.line{border-top:1px solid var(--line2)}
.head{max-width:780px;margin-bottom:clamp(34px,5vh,56px)}
.head.mid{margin-left:auto;margin-right:auto;text-align:center}
.head p{margin-top:18px;max-width:64ch;font-size:13.5px}
.head.mid p{margin-left:auto;margin-right:auto}

/* ---------- 页头（内页） ---------- */
.pagehead{padding-top:clamp(96px,13vh,150px)}
.pagehead .banner{position:relative;overflow:hidden;height:clamp(230px,34vh,410px);
  background:#0c0c0c;margin-bottom:clamp(26px,4vh,44px)}
.pagehead .banner img{width:100%;height:100%;object-fit:cover;object-position:center 42%;
  filter:saturate(.9) contrast(1.05)}
.pagehead .banner::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(6,6,6,.72),var(--bg))}
.pagehead-in{max-width:900px;margin:0 auto;text-align:center;padding:0 var(--pad)
  clamp(34px,5vh,56px)}
.pagehead-in p.lead{margin:20px auto 0;max-width:62ch;font-size:14.5px;line-height:2}
.crumbs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;font-size:8.5px;
  letter-spacing:.28em;text-transform:uppercase;color:var(--ink3);margin-bottom:26px}
.crumbs a:hover{color:var(--accent)}
.crumbs span{color:rgba(234,230,221,.3)}
.meta{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-top:26px;
  font-size:8.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink3)}
.meta b{color:var(--ink2);font-weight:400}

/* ---------- 卡片（PLATE） ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,2.6vw,42px)}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(18px,2.6vw,42px)}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(14px,2vw,28px)}
.still{position:relative;display:block}
.still figure{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--surface)}
.still figure img{width:100%;height:100%;object-fit:cover;
  filter:saturate(.9) contrast(1.05);transition:transform 1.1s var(--ease),filter .7s}
.still:hover figure img{transform:scale(1.035);filter:saturate(1) contrast(1.03)}
.still figure::after{content:"";position:absolute;inset:0 0 auto;height:74px;z-index:1;
  pointer-events:none;background:linear-gradient(180deg,rgba(6,6,6,.6),transparent)}
/* figure 自己带 .still（<figure class="still"><img></figure>）时的等价表现，
   与 <div class="still"><figure><img></figure></div> 视觉一致 */
.still>img,.still>picture>img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;
  background:var(--surface);filter:saturate(.9) contrast(1.05);
  transition:transform 1.1s var(--ease),filter .7s}
.still:hover>img,.still:hover>picture>img{transform:scale(1.035);filter:saturate(1) contrast(1.03)}
.plate{position:absolute;top:14px;left:16px;z-index:2;font-size:8px;letter-spacing:.34em;
  text-transform:uppercase;color:rgba(234,230,221,.9);text-shadow:0 1px 14px rgba(0,0,0,.9)}
.still h3{margin:18px 0 7px;transition:.35s}
.still:hover h3{color:var(--accent)}
.still p{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink3);
  line-height:1.8}
.still .more{display:inline-block;margin-top:12px;font-size:9px;letter-spacing:.3em;
  text-transform:uppercase;color:var(--ink3);border-bottom:1px solid var(--line);padding-bottom:4px}
.still:hover .more{color:var(--accent);border-color:var(--accent)}

/* ---------- 规格表 ---------- */
.specs{display:grid;grid-template-columns:1fr 1fr;gap:0;
  column-gap:clamp(26px,4vw,58px);border-top:1px solid var(--line2)}
.specs>div{padding:17px 0;border-bottom:1px solid var(--line2);display:block}
.specs dt{font-size:9px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ink3);margin-bottom:9px}
.specs dd{font-size:13.5px;color:var(--ink);letter-spacing:.02em;line-height:1.62}
.specs.wide{grid-template-columns:1fr}
.specs.wide>div{display:grid;grid-template-columns:1fr 2fr;gap:20px;align-items:baseline}
.specs.wide dt{margin-bottom:0}

/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);margin-top:26px;
  -webkit-overflow-scrolling:touch}
table.tbl{width:100%;border-collapse:collapse;font-size:13px;min-width:520px}
.tbl th,.tbl td{padding:13px 16px;text-align:left;border-bottom:1px solid var(--line2);
  vertical-align:top}
.tbl thead th{font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink3);
  font-weight:400;background:rgba(234,230,221,.03);border-bottom:1px solid var(--line)}
.tbl td{color:var(--ink2)}
.tbl td:first-child{color:var(--ink)}
.tbl tbody tr:last-child td{border-bottom:0}

/* ---------- 流程 ---------- */
.flow{border-top:1px solid var(--line)}
.flow-i{display:grid;grid-template-columns:66px 1fr 1.15fr;gap:clamp(16px,3vw,46px);
  padding:clamp(22px,3.4vh,36px) 0;border-bottom:1px solid var(--line2);align-items:start}
.flow-i .n{font-family:var(--serif);font-size:12px;letter-spacing:.2em;color:var(--accent);
  padding-top:4px}
.flow-i .who{font-size:8.5px;letter-spacing:.3em;text-transform:uppercase;color:var(--ink3);
  margin-top:9px}
.flow-i p{font-size:12.5px;line-height:2}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line2)}
.faq details{border-bottom:1px solid var(--line2)}
.faq summary{padding:20px 0;cursor:pointer;list-style:none;display:flex;
  justify-content:space-between;gap:20px;font-family:var(--serif);font-size:14.5px;
  letter-spacing:.06em;color:var(--ink)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:16px;line-height:1;flex:0 0 auto}
.faq details[open] summary::after{content:"\2013"}
.faq p{padding:0 0 20px;font-size:13px;max-width:76ch}

/* ---------- 正文（知识页/工厂页） ---------- */
.prose{max-width:820px}
.prose>*+*{margin-top:18px}
.prose h2{margin-top:clamp(34px,5vh,52px);margin-bottom:4px}
.prose h3{margin-top:30px;text-transform:none;letter-spacing:.04em;font-size:16px}
.prose p{font-size:14.5px;line-height:2.05}
.prose ul,.prose ol{margin:16px 0 0;padding-left:0;list-style:none}
.prose li{position:relative;padding-left:22px;color:var(--ink2);font-size:14px;
  line-height:1.95;margin-bottom:10px}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:1px;
  background:var(--accent)}
.prose ol{counter-reset:n}
.prose ol li{counter-increment:n}
.prose ol li::before{content:counter(n,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--serif);font-size:10px;color:var(--accent);letter-spacing:.1em}
.prose blockquote{border-left:1px solid var(--accent);padding:4px 0 4px 22px;margin:26px 0;
  font-family:var(--serif);font-size:17px;line-height:1.8;color:var(--ink);
  letter-spacing:.03em}
.prose figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.prose figcaption,.caption{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink3);margin-top:10px}

/* ---------- 色卡 ---------- */
.film{overflow:hidden;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2)}
.film-in{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;
  -webkit-overflow-scrolling:touch}
.film-in::-webkit-scrollbar{display:none}
.film-i{flex:0 0 auto;width:clamp(72px,7vw,102px);position:relative;background:var(--surface)}
.film-i img{width:100%;aspect-ratio:1;object-fit:cover;transition:.4s var(--ease)}
.film-i:hover img{transform:scale(1.06)}
.film-i b{position:absolute;left:0;right:0;bottom:0;padding:20px 4px 6px;font-size:7.5px;
  letter-spacing:.18em;text-align:center;color:rgba(234,230,221,.82);font-weight:400;
  background:linear-gradient(0deg,rgba(6,6,6,.92),transparent)}
.sw-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(88px,1fr));gap:3px}
.sw{position:relative;overflow:hidden;background:var(--surface)}
.sw::before{content:"";display:block;padding-top:100%}
.sw img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.4s}
.sw:hover img{transform:scale(1.07)}
.sw b{position:absolute;left:0;right:0;bottom:0;padding:18px 4px 5px;font-size:7.5px;
  letter-spacing:.16em;text-align:center;font-weight:400;color:rgba(234,230,221,.85);
  background:linear-gradient(0deg,rgba(6,6,6,.9),transparent)}

/* ---------- 筛选 chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:7px;margin:0 0 34px}
.chip{border:1px solid var(--line);color:var(--ink2);font-size:9px;letter-spacing:.22em;
  text-transform:uppercase;padding:10px 14px;display:inline-flex;align-items:center;gap:8px;
  transition:.3s var(--ease)}
.chip i{font-style:normal;color:var(--ink3);font-size:8.5px}
.chip:hover{border-color:var(--ink2);color:var(--ink)}
.chip.on{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.gtags{display:flex;flex-wrap:wrap;gap:7px;margin-top:24px;justify-content:center}
.gtag{font-size:8.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink3);
  border:1px solid var(--line);padding:7px 11px;white-space:nowrap}
.gtag.lnk{color:var(--accent);border-color:rgba(185,154,91,.42)}

/* ---------- 全幅引用 / CTA ---------- */
.band{position:relative;overflow:hidden;display:flex;align-items:center;
  min-height:clamp(400px,62vh,620px)}
.band>img,.band>picture>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  filter:saturate(.87) contrast(1.06)}
.band.left>img,.band.left>picture>img{object-position:left center}
.band .scrim{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,6,6,.95),rgba(6,6,6,.8) 42%,rgba(6,6,6,.3))}
.band.mid{justify-content:center;text-align:center}
.band.mid .scrim{background:radial-gradient(ellipse at 50% 50%,rgba(6,6,6,.52),
  rgba(6,6,6,.94) 76%,var(--bg))}
.band .in{position:relative;z-index:2;max-width:700px;padding:clamp(40px,7vh,72px) 0}
.band.mid .in{margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.band h2{font-size:clamp(18px,2.4vw,32px);line-height:1.6}
.band p{margin-top:20px;max-width:50ch;font-size:13px}
.band.mid p{margin-left:auto;margin-right:auto}

/* ---------- 内链 / 相关 ---------- */
.related{border-top:1px solid var(--line2);margin-top:clamp(36px,6vh,60px);padding-top:26px}
.related h2,.related h3{font-size:11px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--ink3);margin-bottom:16px;font-family:var(--sans)}
.rlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 34px}
.rlist a{display:block;padding:13px 0;border-bottom:1px solid var(--line2);color:var(--ink2);
  font-size:13px;letter-spacing:.02em;transition:.3s}
.rlist a:hover{color:var(--accent);padding-left:6px}
.rlist a span{display:block;font-size:9px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--ink3);margin-top:4px}

/* ---------- 表单 ---------- */
.form{display:grid;grid-template-columns:1fr 1fr;gap:16px;max-width:720px}
.form .full{grid-column:1/-1}
.form label{display:block;font-size:8.5px;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ink3);margin-bottom:8px}
.form input,.form textarea,.form select{width:100%;background:var(--surface);
  border:1px solid var(--line);color:var(--ink);padding:13px 14px;font-family:var(--sans);
  font-size:14px;outline:none;transition:.25s;border-radius:0;appearance:none}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--accent)}
.form textarea{min-height:116px;resize:vertical}
.form .note{font-size:11px;color:var(--ink3);line-height:1.8}

/* ---------- 页脚 ---------- */
footer{border-top:1px solid var(--line2);padding:clamp(46px,7vh,76px) 0 34px}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(22px,3.4vw,52px)}
.f-grid h5{font-size:8.5px;letter-spacing:.32em;text-transform:uppercase;color:var(--ink3);
  margin-bottom:18px;font-weight:400}
.f-grid a{display:block;color:var(--ink2);font-size:11.5px;letter-spacing:.08em;
  padding:6px 0;transition:.3s}
.f-grid a:hover{color:var(--ink)}
.f-grid p{color:var(--ink3);font-size:11.5px;line-height:2}
.f-bot{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:clamp(34px,5vh,54px);
  padding-top:22px;border-top:1px solid var(--line2);font-size:8.5px;letter-spacing:.24em;
  text-transform:uppercase;color:var(--ink3)}

/* ---------- 入场 ---------- */
.js .rv{opacity:0;transform:translateY(16px);
  transition:opacity 1s var(--ease),transform 1s var(--ease)}
.js .rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .js .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
  .still:hover figure img,.film-i:hover img,.sw:hover img{transform:none}
}

/* ---------- 响应 ---------- */
@media(max-width:1180px){
  .links{gap:14px;font-size:8.5px}
}
@media(max-width:1024px){
  .grid3,.grid4{grid-template-columns:1fr 1fr}
  .strip-in{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .f-grid{grid-template-columns:1fr 1fr}
  .flow-i{grid-template-columns:44px 1fr;row-gap:10px}
  .flow-i p{grid-column:2}
  .specs{grid-template-columns:1fr}
  .pagehead .banner{height:clamp(190px,26vh,270px)}
}
@media(max-width:760px){
  .links,.nav-cta{display:none}
  .burger{display:block}
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
  .strip-in{grid-template-columns:repeat(2,1fr)}
  .strip-i:nth-child(even){border-right:0}
  .strip-i:nth-child(2n){border-right:0}
  .form{grid-template-columns:1fr}
  .hero{height:86vh;min-height:520px}
  .credit,.scrollhint{display:none}
  h1,.h1{letter-spacing:.06em}
  .rlist{grid-template-columns:1fr}
}

/* ---------- 宣言 ---------- */
.manifesto{max-width:940px;margin:0 auto;padding:0 var(--pad);text-align:center}
.manifesto blockquote{font-family:var(--serif);font-size:clamp(19px,2.5vw,34px);line-height:1.72;
  letter-spacing:.05em;color:var(--ink);text-transform:none}
.manifesto blockquote em{font-style:normal;color:var(--accent)}
.manifesto cite{display:block;margin-top:clamp(26px,4vh,38px);font-style:normal;font-size:8.5px;
  letter-spacing:.38em;text-transform:uppercase;color:var(--ink3)}

/* ---------- 三列说明 ---------- */
.cols3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(22px,3.2vw,50px);
  border-top:1px solid var(--line);padding-top:clamp(28px,4.6vh,46px)}
.cols3 h4{margin-bottom:14px}
.cols3 p{font-size:12.5px;line-height:2.05}

/* ---------- 目录 / 两栏 / 面板 ---------- */
.toc{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:30px}
.toc a{font-size:8.5px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink3);
  border:1px solid var(--line2);padding:8px 13px;transition:.3s}
.toc a:hover{color:var(--accent);border-color:rgba(185,154,91,.42)}
.split2{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(26px,4vw,64px);align-items:start}
.panel{border:1px solid var(--line);padding:clamp(24px,3vw,38px);background:var(--surface)}
.panel h3{margin-bottom:18px}
.panel dl{display:grid;grid-template-columns:1fr;gap:0}
.panel dt{font-size:9px;letter-spacing:.26em;text-transform:uppercase;color:var(--ink3);
  margin-top:16px}
.panel dd{font-size:13px;color:var(--ink);margin-top:5px}
.rule{height:1px;background:var(--line2);margin:clamp(30px,5vh,48px) 0}
.big-mail{display:inline-block;font-family:var(--serif);font-size:clamp(16px,2.2vw,26px);
  letter-spacing:.06em;color:var(--ink);border-bottom:1px solid var(--accent);padding-bottom:6px;
  transition:.3s;word-break:break-word}
.big-mail:hover{color:var(--accent)}
.factlist{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:0}
.factlist>div{padding:18px 0;border-bottom:1px solid var(--line2);border-top:1px solid var(--line2)}
.factlist dt{font-size:8.5px;letter-spacing:.26em;text-transform:uppercase;color:var(--ink3)}
.factlist dd{font-size:13.5px;color:var(--ink);margin-top:7px}
.factlist.facts-1{grid-template-columns:1fr}
.specs.facts-1{grid-template-columns:1fr}
.specs.facts-1>div{display:block}

@media(max-width:1024px){
  .cols3{grid-template-columns:1fr;gap:30px}
  .split2{grid-template-columns:1fr}
  .big-mail{font-size:16px}
}

/* ---------- 移动端菜单 ---------- */
@media(max-width:760px){
  .nav.open{background:rgba(6,6,6,.98);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line2)}
  .nav.open .links{display:flex;flex-direction:column;gap:0;
    position:absolute;top:100%;left:0;right:0;padding:8px var(--pad) 26px;
    border-top:1px solid var(--line2)}
  .nav.open .links a{padding:15px 0;border-bottom:1px solid var(--line2);font-size:10px}
  .nav.open .nav-cta{display:none}
  .burger{position:absolute;right:var(--pad);top:26px}
  .nav-in{justify-content:flex-start}
}

/* ---------- 图表 / 场景图 ---------- */
.shot{margin:0}
.shot img{width:100%;height:auto;display:block;background:var(--surface);
  filter:saturate(.9) contrast(1.05)}
.shot figcaption{margin-top:11px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink3);line-height:1.7}

.one-up{max-width:760px;margin:0 auto}