:root{
  --red:#d93b25;
  --red-deep:#b8301c;
  --red-soft:#fbe9e5;
  --ink:#101010;
  --ink-2:#2b2b2b;
  --muted:#6d6a66;
  --muted-2:#9b9791;
  --line:#e2ded6;
  --line-2:#efece5;
  --warm:#faf8f3;
  --paper:#ffffff;
  --maxw:1320px;
  --sans:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --serif:"Noto Serif SC","Songti SC",serif;
  --mono:"DIN Next LT Pro","Cascadia Mono",Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input{font:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px}
.mono{font-family:var(--mono);letter-spacing:.06em}
section{scroll-margin-top:100px}

/* ============ 顶栏 ============ */
.topline{border-bottom:1px solid var(--line);font-size:11.5px;color:var(--muted)}
.topline .container{display:flex;justify-content:space-between;align-items:center;height:34px;letter-spacing:.04em}
.topline b{color:var(--ink);font-weight:600}
.topline .tr{display:flex;gap:22px}
.topline a:hover{color:var(--red)}

/* ============ 页头 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:34px;height:86px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{width:40px;height:40px}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-name{font-size:20px;font-weight:700;letter-spacing:.16em}
.brand-sub{font-family:var(--mono);font-size:9px;letter-spacing:.26em;color:var(--muted-2);margin-top:5px}
.nav-links{display:flex;align-items:center;gap:0}
.nav-links>li{position:relative}
.nav-links>li>a{display:flex;align-items:center;gap:5px;padding:12px 15px;font-size:14px;color:var(--ink-2);transition:.2s;position:relative}
.nav-links>li>a::after{content:"";position:absolute;left:15px;right:15px;bottom:6px;height:1px;background:var(--red);transform:scaleX(0);transform-origin:left;transition:.25s}
.nav-links>li>a:hover{color:var(--red)}
.nav-links>li>a:hover::after{transform:scaleX(1)}
.caret{width:6px;height:6px;border-right:1.3px solid currentColor;border-bottom:1.3px solid currentColor;transform:rotate(45deg) translateY(-1px);opacity:.45}
.mega{
  position:absolute;top:calc(100% + 10px);left:50%;transform:translateX(-50%) translateY(6px);
  width:600px;background:#fff;border:1px solid var(--line);
  box-shadow:0 30px 60px rgba(16,16,16,.1);padding:16px;
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  opacity:0;visibility:hidden;transition:.18s;
}
.nav-links>li:hover .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.mega a{display:flex;justify-content:space-between;padding:10px 12px;font-size:13.5px;color:var(--ink-2)}
.mega a span{font-family:var(--mono);font-size:9px;color:var(--muted-2);letter-spacing:.12em}
.mega a:hover{background:var(--red);color:#fff}
.mega a:hover span{color:rgba(255,255,255,.7)}
.nav-tools{margin-left:auto;display:flex;align-items:center;gap:20px}
.search{display:flex;align-items:center;gap:7px;border-bottom:1px solid var(--line);padding:5px 0;transition:.2s}
.search:focus-within{border-color:var(--red)}
.search input{background:none;border:0;outline:0;width:132px;font-size:12.5px}
.search input::placeholder{color:var(--muted-2)}
.search button{border:0;background:none;color:var(--muted);cursor:pointer;display:grid;place-items:center;padding:1px}
.search button:hover{color:var(--red)}
.btn-quote{display:inline-flex;align-items:center;gap:9px;background:var(--red);color:#fff;font-size:13.5px;font-weight:600;padding:12px 20px;transition:.2s;white-space:nowrap}
.btn-quote::after{content:"→";font-size:13px;transition:.2s}
.btn-quote:hover{background:var(--red-deep)}
.btn-quote:hover::after{transform:translateX(3px)}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;color:var(--ink);padding:6px}
.nav-toggle svg{width:24px;height:24px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:66px 0 0;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:1.03fr .97fr;gap:44px;align-items:center}
.hero-topline{display:flex;justify-content:space-between;align-items:center;max-width:520px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:var(--muted-2);border-bottom:1px solid var(--line);padding-bottom:14px}
.hero-topline .sq{display:inline-block;width:7px;height:7px;background:var(--red);margin-right:9px}
.hero h1{
  font-size:clamp(46px,5.2vw,76px);font-weight:800;line-height:1.16;letter-spacing:-.01em;
  margin:30px 0 24px;color:var(--ink);
}
.hero h1 em{font-style:normal;color:var(--red)}
.hero h1 .under{position:relative;display:inline-block}
.hero h1 .under::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;background:var(--red)}
.lede{max-width:500px;font-size:15px;line-height:1.95;color:var(--muted)}
.hero-actions{display:flex;align-items:center;gap:26px;margin-top:34px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:15px 28px;font-size:14.5px;font-weight:600;transition:.2s;border:1px solid transparent}
.btn-red{background:var(--red);color:#fff}
.btn-red:hover{background:var(--red-deep);transform:translateY(-1px)}
.btn-red svg{width:14px;height:14px;stroke:#fff;fill:none;stroke-width:1.8}
.link-u{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink);border-bottom:1px solid var(--ink);padding-bottom:3px;transition:.2s}
.link-u:hover{color:var(--red);border-color:var(--red)}
.link-u i{font-style:normal}
.hero-meta{display:flex;align-items:center;gap:0;margin-top:46px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.hero-meta span{padding:0 16px;border-right:1px solid var(--line);line-height:1.2}
.hero-meta span:first-child{padding-left:0}
.hero-meta span:last-child{border-right:0;padding-right:0}
.hero-meta b{font-size:19px;color:var(--ink);font-weight:400;margin-right:5px}

/* 展示台 */
.hero-stage{position:relative;padding:24px 0 26px 34px}
.stage-frame{
  position:relative;background:var(--warm);border:1px solid var(--line);
  padding:34px 30px 30px;display:grid;place-items:center;min-height:480px;
}
.stage-frame img{width:88%;mix-blend-mode:multiply;position:relative;z-index:2}
.stage-frame::before,.stage-frame::after,
.stage-corner::before,.stage-corner::after{content:"";position:absolute;width:14px;height:14px;border:1px solid var(--red)}
.stage-frame::before{top:-1px;left:-1px;border-right:0;border-bottom:0}
.stage-frame::after{top:-1px;right:-1px;border-left:0;border-bottom:0}
.stage-corner::before{bottom:-1px;left:-1px;border-right:0;border-top:0}
.stage-corner::after{bottom:-1px;right:-1px;border-left:0;border-top:0}
.stage-cap{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-right:56px;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted)}
.stage-cap b{color:var(--ink);font-weight:400}
.red-rail{
  position:absolute;right:-14px;top:24px;bottom:26px;width:44px;background:var(--red);
  display:flex;align-items:center;justify-content:center;z-index:3;
}
.red-rail span{
  writing-mode:vertical-rl;font-family:var(--mono);font-size:9.5px;letter-spacing:.32em;color:#fff;
  text-transform:uppercase;white-space:nowrap;
}

/* 描边跑马灯 */
.ghost-marquee{
  margin-top:56px;border-top:1px solid var(--line);overflow:hidden;
  padding:22px 0 26px;position:relative;
}
.ghost-marquee::before,.ghost-marquee::after{content:"";position:absolute;top:0;bottom:0;width:120px;z-index:2;pointer-events:none}
.ghost-marquee::before{left:0;background:linear-gradient(90deg,#fff,transparent)}
.ghost-marquee::after{right:0;background:linear-gradient(270deg,#fff,transparent)}
.gm-track{display:flex;width:max-content;animation:marquee 60s linear infinite}
.gm-track:hover{animation-play-state:paused}
.gm-track span{
  font-size:clamp(40px,5vw,68px);font-weight:800;line-height:1.1;letter-spacing:.02em;
  color:transparent;-webkit-text-stroke:1px rgba(16,16,16,.22);padding-right:34px;
  display:flex;align-items:center;gap:34px;white-space:nowrap;
}
.gm-track span::after{content:"";width:9px;height:9px;background:var(--red);border-radius:50%;-webkit-text-stroke:0}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ 章节头 ============ */
.sec{padding:104px 0}
.sec-head{display:grid;grid-template-columns:70px 1fr .7fr;gap:28px;align-items:end;padding-bottom:30px;border-bottom:1px solid var(--ink);margin-bottom:0}
.sec-no{font-family:var(--mono);font-size:12px;letter-spacing:.16em;color:var(--red);padding-bottom:8px}
.sec-head h2{font-size:clamp(30px,3.2vw,42px);font-weight:800;letter-spacing:-.01em;line-height:1.2}
.sec-head p{font-size:13.5px;line-height:1.9;color:var(--muted);justify-self:end;max-width:400px;padding-bottom:4px}
.sec-head p a{color:var(--ink);border-bottom:1px solid var(--red);padding-bottom:2px;margin-left:5px}
.sec-head p a:hover{color:var(--red)}

/* ============ 系列 ============ */
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line)}
.ser{
  position:relative;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:30px 28px 26px;min-height:168px;display:flex;flex-direction:column;
  transition:background .25s,color .25s;overflow:hidden;
}
.ser .s-top{display:flex;justify-content:space-between;align-items:baseline}
.ser .s-no{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--muted-2)}
.ser .s-en{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--muted-2);text-transform:uppercase}
.ser h3{font-size:23px;font-weight:700;letter-spacing:.04em;margin-top:26px}
.ser .s-go{margin-top:auto;padding-top:16px;font-size:11.5px;color:var(--muted-2);display:flex;align-items:center;gap:8px}
.ser .s-go i{width:16px;height:1px;background:currentColor;transition:.2s;font-style:normal}
.ser:hover{background:var(--red);color:#fff}
.ser:hover .s-no,.ser:hover .s-en,.ser:hover .s-go{color:rgba(255,255,255,.7)}
.ser:hover .s-go i{width:28px;background:#fff}
.ser.all{background:var(--ink);color:#fff}
.ser.all .s-no,.ser.all .s-en,.ser.all .s-go{color:rgba(255,255,255,.55)}
.ser.all:hover{background:var(--red-deep)}
.ser.all:hover .s-no,.ser.all:hover .s-en,.ser.all:hover .s-go{color:rgba(255,255,255,.75)}

/* ============ 产品 ============ */
.products{background:var(--warm)}
.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:32px}
.pc{position:relative;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:.22s}
.pc:hover{transform:translateY(-3px);box-shadow:0 20px 40px -26px rgba(16,16,16,.4);border-color:#cfc9be}
.pc-media{position:relative;background:#fff;margin:10px;border:1px solid var(--line-2);display:grid;place-items:center;aspect-ratio:1/.84;overflow:hidden}
.pc-media img{width:82%;height:82%;object-fit:contain;mix-blend-mode:multiply;transition:transform .45s}
.pc:hover .pc-media img{transform:scale(1.05)}
.pc-tag{position:absolute;top:0;left:0;background:var(--ink);color:#fff;font-size:9.5px;letter-spacing:.14em;padding:4px 8px;z-index:2}
.pc-body{padding:4px 16px 16px;display:flex;flex-direction:column;flex:1}
.pc-model{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;color:var(--red)}
.pc-title{font-size:14.5px;font-weight:600;line-height:1.55;margin-top:4px;color:var(--ink);flex:1}
.pc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:12px;padding-top:10px;border-top:1px solid var(--line-2);font-size:11px;color:var(--muted-2)}
.pc-foot i{font-style:normal;transition:.2s}
.pc:hover .pc-foot i{transform:translateX(3px);color:var(--red)}
.pc.feat{grid-column:span 2;grid-row:span 2;background:var(--red);border-color:var(--red);color:#fff}
.pc.feat .pc-media{background:#fff;margin:12px;border:0;aspect-ratio:1/.66}
.pc.feat .pc-media img{width:66%;height:76%}
.pc.feat .pc-tag{background:#fff;color:var(--red)}
.pc.feat .pc-body{padding:6px 22px 20px}
.pc.feat .pc-model{color:rgba(255,255,255,.7);font-size:11px}
.pc.feat .pc-title{font-size:26px;font-weight:800;line-height:1.35;margin-top:6px}
.pc.feat .pc-sub{font-size:12px;line-height:1.8;color:rgba(255,255,255,.78);margin-top:8px;max-width:330px}
.feat-specs{display:grid;grid-template-columns:1fr 1fr;margin-top:20px;border-top:1px solid rgba(255,255,255,.28)}
.feat-specs div{padding:9px 0;border-bottom:1px solid rgba(255,255,255,.18)}
.feat-specs span{display:block;font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:rgba(255,255,255,.68)}
.feat-specs b{display:block;font-size:13px;font-weight:600;color:#fff;margin-top:3px}
.pc.feat .pc-foot{border-top-color:rgba(255,255,255,.25);color:rgba(255,255,255,.8)}
.pc.feat:hover{box-shadow:0 24px 44px -24px rgba(217,59,37,.5)}
.pc.more{background:transparent;border:1px dashed #cfc9be;align-items:flex-start;justify-content:center;padding:28px 22px}
.pc.more:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.pc.more .m-k{font-family:var(--mono);font-size:10px;color:var(--red);letter-spacing:.16em}
.pc.more h3{font-size:22px;font-weight:800;margin:14px 0 8px;line-height:1.4}
.pc.more p{font-size:12px;color:var(--muted)}
.pc.more .m-go{margin-top:16px;font-size:12px;color:var(--ink)}
.pc.more:hover p,.pc.more:hover .m-go{color:rgba(255,255,255,.7)}

/* ============ 制造（红场） ============ */
.craft{position:relative;background:var(--red);color:#fff;padding:96px 0 104px;overflow:hidden}
.craft::before{
  content:"OPTICS";position:absolute;right:-2%;top:-4%;
  font-family:var(--sans);font-weight:800;font-size:clamp(160px,22vw,320px);line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.16);pointer-events:none;
}
.craft .container{position:relative;z-index:2}
.craft-head{display:grid;grid-template-columns:70px 1fr .7fr;gap:28px;align-items:end;border-bottom:1px solid rgba(255,255,255,.35);padding-bottom:30px}
.craft-head .sec-no{color:rgba(255,255,255,.7)}
.craft-head h2{font-size:clamp(30px,3.2vw,42px);font-weight:800;line-height:1.22}
.craft-head p{justify-self:end;max-width:400px;font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.75);padding-bottom:4px}
.craft-grid{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid rgba(255,255,255,.25);margin-top:0}
.craft-item{padding:32px 26px 30px;border-right:1px solid rgba(255,255,255,.25);border-bottom:1px solid rgba(255,255,255,.25)}
.craft-item .ci{font-family:var(--mono);font-size:11px;color:rgba(255,255,255,.65);letter-spacing:.14em}
.craft-item h3{font-size:20px;font-weight:700;margin:20px 0 10px}
.craft-item p{font-size:12.5px;line-height:1.85;color:rgba(255,255,255,.85)}
.craft-item svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:1.1;margin-top:22px;opacity:.8}
.flow{margin-top:48px;display:flex;align-items:center;font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:rgba(255,255,255,.8);flex-wrap:wrap}
.flow b{font-weight:400;padding:8px 14px;border:1px solid rgba(255,255,255,.45)}
.flow i{width:30px;height:1px;background:rgba(255,255,255,.45);margin:0 8px;position:relative}
.flow i::after{content:"";position:absolute;right:0;top:-2px;width:4px;height:4px;border-top:1px solid rgba(255,255,255,.7);border-right:1px solid rgba(255,255,255,.7);transform:rotate(45deg)}

/* ============ 新闻 ============ */
.news-grid{display:grid;grid-template-columns:1fr 1fr;gap:54px;margin-top:34px}
.ncol h3{display:flex;justify-content:space-between;align-items:baseline;font-size:20px;font-weight:800;padding-bottom:14px;border-bottom:1px solid var(--line)}
.ncol h3 a{font-size:11.5px;font-weight:400;color:var(--muted)}
.ncol h3 a:hover{color:var(--red)}
.nrow{display:grid;grid-template-columns:62px 1fr 20px;gap:14px;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--line-2);transition:.2s}
.nrow .nd{font-family:var(--mono);font-size:10.5px;color:var(--muted-2);letter-spacing:.05em}
.nrow .nt{font-size:14px;line-height:1.6;color:var(--ink-2)}
.nrow .na{font-size:12px;color:transparent;transition:.2s}
.nrow:hover .nt{color:var(--red)}
.nrow:hover .na{color:var(--red);transform:translateX(3px)}

/* ============ CTA ============ */
.cta{background:var(--ink);color:#fff;padding:78px 0 84px;position:relative;overflow:hidden}
.cta::before{content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border:1px solid rgba(255,255,255,.12);border-radius:50%}
.cta::after{content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;border:1px solid rgba(217,59,37,.55);border-radius:50%}
.cta .container{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:end}
.cta .k{font-family:var(--mono);font-size:10.5px;letter-spacing:.2em;color:var(--red);margin-bottom:18px}
.cta h2{font-size:clamp(30px,3.4vw,46px);font-weight:800;line-height:1.35}
.cta h2 em{font-style:normal;color:#ff8a76}
.cta-right{justify-self:end;text-align:right}
.cta-tel{font-family:var(--mono);font-size:clamp(26px,2.6vw,36px);letter-spacing:.03em}
.cta-label{font-family:var(--mono);font-size:10px;letter-spacing:.2em;color:rgba(255,255,255,.62);margin-bottom:8px}
.cta-acts{display:flex;gap:12px;justify-content:flex-end;margin-top:20px;flex-wrap:wrap}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--red);color:#fff}
.btn-line{border-color:rgba(255,255,255,.35);color:#fff}
.btn-line:hover{border-color:#fff;background:rgba(255,255,255,.08)}

/* ============ 页脚 ============ */
.footer{background:#0a0a0a;color:rgba(255,255,255,.55);padding:66px 0 0;font-size:13px}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:50px}
.f-brand .brand{color:#fff;margin-bottom:18px}
.f-brand p{line-height:1.9;color:rgba(255,255,255,.4);max-width:320px}
.f-qr{display:flex;align-items:center;gap:14px;margin-top:22px}
.f-qr img{width:78px;height:78px;background:#fff;padding:4px}
.f-qr span{font-size:11.5px;line-height:1.8;color:rgba(255,255,255,.4)}
.f-col h4{font-size:11.5px;color:#fff;letter-spacing:.14em;margin-bottom:18px;font-weight:600}
.f-col li{margin-bottom:10px}
.f-col a:hover{color:#ff8a76}
.f-col dd{font-family:var(--mono);font-size:13.5px;color:rgba(255,255,255,.72)}
.f-col dt{font-size:10.5px;letter-spacing:.1em;color:rgba(255,255,255,.3);margin-bottom:2px}
.f-col dl{display:flex;flex-direction:column;gap:12px}
.f-links{border-top:1px solid rgba(255,255,255,.09);padding:18px 0;font-size:11.5px;line-height:2;color:rgba(255,255,255,.28)}
.f-links a{color:rgba(255,255,255,.38);margin-right:16px;white-space:nowrap}
.f-links a:hover{color:#ff8a76}
.f-copy{border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;display:flex;justify-content:space-between;gap:20px;font-size:11.5px;color:rgba(255,255,255,.3)}
.f-copy a:hover{color:#ff8a76}

/* ============ 浮动 ============ */
.rail{position:fixed;right:20px;bottom:84px;z-index:70;display:flex;flex-direction:column;gap:6px}
.rail a,.rail button{width:42px;height:42px;border:1px solid var(--line);background:rgba(255,255,255,.94);color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:.2s;position:relative}
.rail a:hover,.rail button:hover{background:var(--red);color:#fff;border-color:var(--red)}
.rail svg{width:17px;height:17px;stroke:currentColor;fill:none;stroke-width:1.4}
.rail .tip{position:absolute;right:calc(100% + 9px);top:50%;transform:translateY(-50%) translateX(5px);background:var(--ink);color:#fff;font-size:11px;padding:5px 9px;white-space:nowrap;opacity:0;pointer-events:none;transition:.2s}
.rail a:hover .tip{opacity:1;transform:translateY(-50%) translateX(0)}
.rail .qr-wrap{position:relative}
.rail .qr-pop{position:absolute;right:calc(100% + 9px);bottom:0;background:#fff;padding:6px;border:1px solid var(--line);opacity:0;visibility:hidden;transition:.2s}
.rail .qr-wrap:hover .qr-pop{opacity:1;visibility:visible}
.rail .qr-pop img{width:100px;height:100px}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .65s ease,transform .65s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .container{padding:0 28px}
  .nav{gap:22px}
  .search input{width:108px}
  .ser{padding:26px 22px}
  .ser h3{font-size:21px}
  .hero-stage{padding-left:20px}
  .craft-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:980px){
  .nav-links,.nav-tools .search{display:none}
  .nav-toggle{display:block}
  body.nav-open .nav-links{display:flex!important;position:absolute;left:0;right:0;top:86px;margin:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;padding:8px 24px 18px;border-bottom:1px solid var(--line);box-shadow:0 20px 40px rgba(0,0,0,.08)}
  body.nav-open .nav-links>li>a{padding:14px 4px;border-bottom:1px solid var(--line-2)}
  body.nav-open .nav-links .mega{display:none}
  .hero{padding-top:44px}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-stage{max-width:620px;width:100%;margin:0 auto;padding-left:0;padding-right:14px}
  .stage-frame{min-height:420px}
  .sec-head,.craft-head{grid-template-columns:50px 1fr;row-gap:12px}
  .sec-head p,.craft-head p{grid-column:2;justify-self:start;max-width:520px}
  .craft-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr;gap:36px}
  .cta .container{grid-template-columns:1fr;gap:26px;align-items:start}
  .cta-right{justify-self:start;text-align:left}
  .cta-acts{justify-content:flex-start}
  .f-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:720px){
  .container{padding:0 20px}
  .sec{padding:68px 0}
  .topline .tr{display:none}
  .hero h1{font-size:44px;margin-top:24px}
  .lede{font-size:14px}
  .hero-meta{flex-wrap:wrap;row-gap:10px}
  .hero-meta span{padding:0 12px}
  .stage-frame{min-height:300px;padding:20px 16px}
  .stage-frame img{width:100%}
  .red-rail{width:34px;right:-10px}
  .red-rail span{font-size:8px;letter-spacing:.2em}
  .series-grid{grid-template-columns:repeat(2,1fr)}
  .ser{min-height:146px;padding:22px 18px}
  .ser h3{font-size:19px;margin-top:18px}
  .ser .s-en{display:none}
  .pgrid{grid-template-columns:repeat(2,1fr);gap:12px}
  .pc.feat{grid-column:span 2;grid-row:auto}
  .pc.feat .pc-media{aspect-ratio:1/.62}
  .pc.feat .pc-title{font-size:21px}
  .craft{padding:68px 0}
  .craft-grid{grid-template-columns:1fr}
  .craft-item{padding:24px 4px}
  .flow b{padding:6px 10px}
  .flow i{width:16px;margin:0 5px}
  .cta{padding:56px 0}
  .f-grid{grid-template-columns:1fr}
  .f-copy{flex-direction:column;gap:6px}
  .rail{display:none}
  .ghost-marquee{padding:16px 0 20px;margin-top:40px}
}
@media (max-width:480px){
  .nav{gap:10px;height:72px}
  .brand{gap:9px}
  .brand-mark{width:33px;height:33px}
  .brand-name{font-size:18px;letter-spacing:.1em}
  .brand-sub{display:none}
  .nav-tools{gap:10px}
  .btn-quote{padding:9px 13px;font-size:12.5px}
  .btn-quote::after{display:none}
  .nav-toggle{padding:4px}
  body.nav-open .nav-links{top:72px}
  .hero h1{font-size:38px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}