@font-face{font-family:'Archivo';font-style:normal;font-weight:100 900;font-stretch:62% 125%;font-display:swap;src:url(/fonts/archivo-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
 --paper:#e4e8e5;--paper-hi:#eff2f0;--ink:#1c2830;--ink-2:#45535b;--rule:#c3cbc7;
 --mint:#8fcdb6;--mint-ink:#2c6a57;--orange:#ee7b22;--orange-hi:#f38f3e;
 --plate-a:#dfe4e7;--plate-b:#c4ccd1;
 --font:'Archivo','PingFang SC','Hiragino Sans GB','Microsoft YaHei',system-ui,sans-serif;
 --wrap:1320px;--gutter:clamp(20px,4vw,56px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 var(--font);font-stretch:100%;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.015em;text-wrap:balance}
h1{font-size:clamp(40px,5.6vw,86px);line-height:.98;font-stretch:116%;font-weight:760;letter-spacing:-.03em}
h2{font-size:clamp(30px,3.3vw,50px);line-height:1.04;font-stretch:112%}
h3{font-size:20px;line-height:1.25;font-stretch:104%;font-weight:640}
p{margin:0}
:lang(zh-CN) h1,:lang(zh-CN) h2{letter-spacing:0;font-weight:700}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:10px 14px;z-index:99}
.skip:focus{left:8px}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;background:var(--orange);color:var(--ink);font-weight:650;font-stretch:108%;font-size:16px;text-decoration:none;border:0;border-radius:3px;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--orange-hi)}
.btn-small{min-height:40px;padding:0 16px;font-size:15px}
.link{display:inline-flex;align-items:center;min-height:44px;background:none;border:0;padding:0;font:inherit;font-weight:600;color:var(--ink);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:6px;text-decoration-color:var(--mint);cursor:pointer}
.link:hover{text-decoration-color:var(--ink)}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px 28px}

.top{position:sticky;top:0;z-index:40;background:rgba(228,232,229,.92);backdrop-filter:saturate(1.2) blur(10px);border-bottom:1px solid var(--rule)}
.top-in{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;font-weight:700;font-stretch:112%;font-size:18px;letter-spacing:-.01em}
.brand img{width:54px;height:32px;object-fit:contain;mix-blend-mode:multiply}
#nav{display:flex;align-items:center;gap:30px}
#nav a{text-decoration:none;font-size:15px;font-weight:500}
#nav a:not(.btn):hover{text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--mint);text-decoration-thickness:2px}
#nav .lang{padding-left:30px;border-left:1px solid var(--rule)}
.menu{display:none}

.hero{padding-top:clamp(40px,6vw,84px)}
.hero-copy{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,4fr);gap:clamp(24px,5vw,80px);align-items:end}
.hero-copy h1{max-width:13ch}
:lang(zh-CN) .hero-copy h1{max-width:9em}
.hero-side{display:grid;gap:26px;padding-bottom:8px}
.hero-side p{color:var(--ink-2);max-width:44ch}
.line{position:relative;margin-top:clamp(20px,3vw,40px);touch-action:pan-y}
.line canvas{position:relative;width:100%;height:clamp(320px,42vh,520px);display:block;opacity:0;transition:opacity .6s}
.line.is-ready canvas{opacity:1}
.line-fallback{display:none;width:100%;height:clamp(320px,42vh,520px);object-fit:cover}
.line.no-webgl canvas{display:none}
.line.no-webgl .line-fallback{display:block}
.line.no-webgl .stations,.line.no-webgl .hmi{display:none}
.stations{position:absolute;left:0;top:0;width:100%;height:0;pointer-events:none}
.station{position:absolute;left:0;top:0;white-space:nowrap;font-size:13px;font-weight:600;font-stretch:104%;color:var(--ink);padding-left:14px;margin-top:-10px;will-change:transform}
.station::before{content:'';position:absolute;left:0;top:7px;width:7px;height:7px;border-radius:50%;background:var(--ink)}
.hmi{display:grid;grid-template-columns:auto minmax(200px,420px) auto 1fr;align-items:center;gap:14px 32px;padding:14px max(var(--gutter),calc((100vw - var(--wrap))/2 + var(--gutter)));background:var(--ink);color:#e7ecea}
.hmi-toggle{justify-self:end}
.hmi-title{font-size:15px;line-height:1.35;font-weight:500}
.hmi output{font-weight:700;font-variant-numeric:tabular-nums;color:#fff}
.hmi-title output{color:var(--mint);font-size:18px}
.hmi-control{display:grid;grid-template-columns:40px 1fr 40px;align-items:center;gap:10px}
.hmi-control button{height:40px;border:1px solid #4d5d66;background:#26343c;color:#fff;font-size:20px;border-radius:3px;cursor:pointer}
.hmi-control button:hover{background:#30414a}
.hmi input[type=range]{width:100%;accent-color:var(--mint);height:28px}
.hmi-read{font-size:14px;color:#b9c4c0;font-stretch:96%}
.hmi-toggle{min-height:36px;padding:0 14px;background:none;border:1px solid #4d5d66;color:#e7ecea;border-radius:3px;font:inherit;font-size:14px;cursor:pointer}
.hmi-toggle:hover{border-color:#8a9aa2}
.line-note{margin-top:14px;font-size:14px;color:var(--ink-2)}

.block{padding-top:clamp(72px,9vw,128px);padding-bottom:clamp(24px,3vw,40px)}
.block-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:24px 80px;align-items:end;margin-bottom:40px}
.block-head p{color:var(--ink-2);max-width:52ch}

.tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.tabs button{min-height:42px;padding:0 16px;border:1px solid var(--rule);background:transparent;border-radius:999px;font:inherit;font-size:15px;font-weight:550;color:var(--ink);cursor:pointer}
.tabs button span{color:var(--ink-2);font-variant-numeric:tabular-nums;margin-left:4px}
.tabs button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}
.tabs button[aria-pressed=true] span{color:var(--mint)}

.machines{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:48px 32px}
.machine[hidden]{display:none}
.machine-photo{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--paper-hi);border-radius:2px}
.machine-photo img{width:100%;height:100%;object-fit:cover}
.machine-body{display:grid;gap:12px;padding-top:18px}
.machine-body h3 a{text-decoration:none}
.machine-body h3 a:hover{text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--mint);text-decoration-thickness:2px}
.machine-body p{color:var(--ink-2);font-size:15px;line-height:1.55}

.plate{position:relative;margin:4px 0 0;padding:14px 18px 12px;border-radius:4px;border:1px solid #99a4aa;color:#26323a;
 background:radial-gradient(circle at 9px 9px,#8e999f 0 2.2px,#eef1f2 2.6px 3.4px,transparent 3.8px),radial-gradient(circle at calc(100% - 9px) 9px,#8e999f 0 2.2px,#eef1f2 2.6px 3.4px,transparent 3.8px),radial-gradient(circle at 9px calc(100% - 9px),#8e999f 0 2.2px,#eef1f2 2.6px 3.4px,transparent 3.8px),radial-gradient(circle at calc(100% - 9px) calc(100% - 9px),#8e999f 0 2.2px,#eef1f2 2.6px 3.4px,transparent 3.8px),repeating-linear-gradient(90deg,rgba(255,255,255,.18) 0 1px,rgba(0,0,0,.025) 1px 3px),linear-gradient(180deg,var(--plate-a),var(--plate-b));
 box-shadow:inset 0 1px 0 rgba(255,255,255,.7),inset 0 -1px 0 rgba(0,0,0,.08)}
.plate-head{display:flex;justify-content:space-between;gap:12px;padding:0 6px 8px;margin-bottom:6px;border-bottom:1px solid rgba(38,50,58,.28);font-size:12px;font-weight:700;font-stretch:84%;letter-spacing:.04em;text-shadow:0 1px 0 rgba(255,255,255,.6)}
.plate-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:12px;padding:5px 6px;font-size:14px;text-shadow:0 1px 0 rgba(255,255,255,.55)}
.plate-row+.plate-row{border-top:1px dashed rgba(38,50,58,.18)}
.plate dt{color:#4a575e}
.plate dd{margin:0;font-weight:650;font-stretch:90%;font-variant-numeric:tabular-nums}

.materials-band{margin-top:clamp(40px,5vw,72px);background:var(--paper-hi);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.materials-band .block{padding-bottom:clamp(72px,9vw,120px)}
.materials{width:100%;border-collapse:collapse;margin-bottom:36px}
.materials th,.materials td{text-align:left;padding:18px 0;border-bottom:1px solid var(--rule);vertical-align:top}
.materials thead th{font-size:14px;font-weight:600;color:var(--ink-2);padding-top:0}
.materials tbody th{width:38%;font-size:clamp(18px,1.6vw,22px);font-weight:620;font-stretch:106%;padding-right:24px}
.materials td{color:var(--ink-2)}

.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;counter-reset:s}
.steps li{position:relative;padding:22px 24px 0 0}
.steps li::before{content:'';position:absolute;left:0;right:0;top:0;height:3px;background:var(--ink)}
.steps li:not(:last-child)::after{content:'';position:absolute;right:12px;top:-5px;border:6.5px solid transparent;border-left:9px solid var(--ink);border-right:0}
.step-n{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--mint);font-weight:700;font-size:14px;margin-bottom:16px}
.steps h3{margin-bottom:8px}
.steps p{font-size:15px;color:var(--ink-2);line-height:1.55;max-width:26ch}

.factory{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);margin-top:clamp(56px,7vw,100px);background:var(--ink);color:#e7ecea}
.factory-photo{min-height:520px}
.factory-photo img{width:100%;height:100%;object-fit:cover}
.factory-copy{padding:clamp(40px,5vw,80px) var(--gutter);display:grid;align-content:center;gap:24px}
.factory-copy p{color:#b9c4c0;max-width:46ch}
.facts{margin:0;display:grid;gap:0}
.facts>div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:12px 0;border-top:1px solid rgba(143,205,182,.25)}
.facts dt{color:#93a29d;font-size:14px}
.facts dd{margin:0}
.facts a{text-decoration-color:var(--mint);text-underline-offset:4px}

.closing{padding:clamp(80px,10vw,140px) 0}
.closing-in{display:grid;gap:22px;justify-items:start}
.closing h2{max-width:20ch;font-size:clamp(32px,4vw,60px)}
.closing p{color:var(--ink-2);max-width:56ch}

.detail{padding-top:28px;padding-bottom:40px}
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:14px;color:var(--ink-2);margin-bottom:28px}
.crumbs a{text-underline-offset:4px}
.detail-top{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(28px,5vw,72px);align-items:start}
.detail-photo{aspect-ratio:4/3;overflow:hidden;background:var(--paper-hi);border-radius:2px}
.detail-photo img{width:100%;height:100%;object-fit:cover}
.detail-copy{display:grid;gap:22px;position:sticky;top:104px}
.detail-copy h1{font-size:clamp(34px,3.8vw,58px)}
.lede{font-size:clamp(17px,1.4vw,20px);color:var(--ink-2);max-width:44ch}
.fine{font-size:13px;color:var(--ink-2);max-width:56ch}
.detail-brief{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:clamp(28px,5vw,72px);align-items:center;margin-top:clamp(64px,8vw,112px);padding-top:clamp(40px,5vw,64px);border-top:1px solid var(--rule)}
.detail-brief img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.detail-brief>div{display:grid;gap:22px;justify-items:start}
.checklist{margin:0;padding:0;list-style:none;display:grid;gap:0;width:100%}
.checklist li{padding:12px 0 12px 32px;border-bottom:1px solid var(--rule);position:relative}
.checklist li::before{content:'';position:absolute;left:4px;top:19px;width:12px;height:7px;border-left:2.5px solid var(--mint-ink);border-bottom:2.5px solid var(--mint-ink);transform:rotate(-45deg)}
.related{margin-top:clamp(72px,9vw,120px)}
.related h2{margin-bottom:32px}

.contact{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:clamp(32px,6vw,96px);padding-top:clamp(40px,6vw,80px);padding-bottom:clamp(72px,9vw,120px);align-items:start}
.contact-side{display:grid;gap:24px;position:sticky;top:104px}
.contact-side h1{font-size:clamp(38px,4.4vw,66px)}
.contact .facts>div{border-top-color:var(--rule);grid-template-columns:90px 1fr}
.contact .facts dt{color:var(--ink-2)}
.brief{display:grid;gap:22px;background:var(--paper-hi);border:1px solid var(--rule);border-radius:4px;padding:clamp(22px,3vw,40px)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px}
.form-grid label{display:grid;gap:7px;font-size:14px;font-weight:550}
.form-grid label span{color:var(--ink)}
.form-grid .full{grid-column:1/-1}
input,select,textarea{width:100%;font:inherit;font-size:16px;color:var(--ink);background:#fff;border:1px solid #aab5b0;border-radius:3px;padding:11px 12px;min-height:46px}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--mint-ink);outline-offset:0;border-color:var(--mint-ink)}
input[aria-invalid=true]{border-color:#b3261e;outline-color:#b3261e}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:15px}
.consent input{width:20px;height:20px;min-height:0;margin-top:3px;accent-color:var(--mint-ink);flex:none}
.form-error{color:#9d2a1f;font-weight:600;font-size:15px}
.result[hidden]{display:none}
.result{display:grid;gap:14px;border-top:1px solid var(--rule);padding-top:22px}
.result h2{font-size:26px}
.result pre{white-space:pre-wrap;background:#fff;border:1px solid var(--rule);border-radius:3px;padding:16px;font:14px/1.6 var(--font);margin:0;max-height:300px;overflow:auto}

.prose{padding-top:clamp(56px,8vw,112px);padding-bottom:clamp(80px,10vw,140px);display:grid;gap:22px;max-width:calc(760px + 2*var(--gutter));margin-left:0}
.prose h1{font-size:clamp(34px,4vw,56px)}
.prose p{color:var(--ink-2);max-width:64ch}

.foot{border-top:1px solid var(--rule);padding:48px 0 36px;font-size:15px}
.foot-in{display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px 48px}
.foot-in>div{display:grid;gap:8px;align-content:start}
.foot a{text-decoration:none}
.foot a:hover{text-decoration:underline;text-underline-offset:4px}
.foot-name{font-weight:650;font-stretch:106%}
.foot p{color:var(--ink-2)}
.foot-copy{grid-column:1/-1;font-size:13px;padding-top:24px;border-top:1px solid var(--rule)}

.chat-dock{position:fixed;right:20px;bottom:20px;z-index:60;display:flex;flex-direction:column;align-items:flex-end;gap:10px}
.chat-toggle{display:flex;align-items:center;gap:10px;min-height:50px;padding:0 20px;background:var(--ink);color:#fff;border:0;border-radius:999px;font:inherit;font-weight:600;font-size:15px;cursor:pointer;box-shadow:0 8px 24px rgba(28,40,48,.25)}
.chat-dot{width:9px;height:9px;border-radius:50%;background:#3ddc84}
.chat-list{width:280px;background:#fff;border:1px solid var(--rule);border-radius:6px;padding:12px;box-shadow:0 18px 40px rgba(28,40,48,.18)}
.chat-list p{margin:4px 6px 8px;font-size:14px;color:var(--ink-2)}
.chat-item{display:grid;gap:2px;width:100%;text-align:left;background:none;border:0;border-top:1px solid #e3e8e6;padding:11px 6px;color:var(--ink);text-decoration:none;font:inherit;cursor:pointer}
.chat-list>p+.chat-item,.chat-inline>.chat-item:first-child{border-top:0}
.chat-item:hover{background:#f2f5f4}
.chat-item b{font-size:15px}
.chat-item span{font-size:13px;color:var(--ink-2)}
.chat-inline{display:grid}
.chat-inline .chat-item{padding:6px 0}

@media (max-width:1100px){
 .machines{grid-template-columns:repeat(2,minmax(0,1fr))}
 .steps{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:36px}
 .steps li:nth-child(3)::after{display:none}
 .factory{grid-template-columns:1fr}
 .factory-photo{min-height:0;aspect-ratio:16/9}
}
@media (max-width:860px){
 .menu{display:inline-flex;align-items:center;min-height:42px;padding:0 14px;border:1px solid var(--ink);background:transparent;border-radius:3px;font:inherit;font-weight:600;color:var(--ink)}
 #nav{display:none;position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:8px var(--gutter) 20px}
 #nav.open{display:flex}
 #nav a{padding:14px 0;border-bottom:1px solid var(--rule);font-size:17px}
 #nav .lang{padding-left:0;border-left:0}
 #nav .btn{margin-top:16px;border-bottom:0}
 .hero-copy,.block-head,.detail-top,.detail-brief,.contact{grid-template-columns:1fr}
 .detail-copy,.contact-side{position:static}
 .stations{display:none}
 .line canvas,.line-fallback{height:min(88vw,560px);min-height:280px}
 .hmi{grid-template-columns:1fr auto;padding:16px var(--gutter)}
 .hmi-control{grid-column:1/-1;grid-row:2}
 .hmi-toggle{grid-column:1/-1;justify-self:start}
}
@media (max-width:640px){
 body{font-size:16px}
 .machines{grid-template-columns:1fr}
 .steps{grid-template-columns:1fr;row-gap:28px}
 .steps li::after{display:none}
 .form-grid{grid-template-columns:1fr}
 .foot-in{grid-template-columns:1fr}
 .facts>div{grid-template-columns:1fr;gap:2px}
 .chat-dock{right:12px;bottom:12px}
 .chat-list{width:calc(100vw - 24px)}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media print{.top,.chat-dock,.line,.hmi{display:none}}

.machine-photo,.detail-photo{position:relative;margin:0}
.machine-photo{background:#e7e8e8}
.real-photos{margin:0;display:grid;gap:10px}
.real-photos img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:2px}
.real-photos img+img{display:none}
.real-photos figcaption{font-size:13px;color:var(--ink-2)}
@media (min-width:861px){.real-photos:has(img+img){grid-template-columns:1fr 1fr}.real-photos img+img{display:block}.real-photos figcaption{grid-column:1/-1}}
.factory-photo{position:relative;margin:0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.result:focus{outline:none}
.factory-photo video{display:block;width:100%;height:100%;object-fit:cover;background:var(--ink)}
.reel-toggle{position:absolute;left:16px;bottom:16px;padding:8px 14px;border:0;border-radius:2px;background:rgba(28,40,48,.82);color:#e7ecea;font:600 13px/1 var(--font);cursor:pointer}
.reel-toggle:hover{background:var(--ink)}
.reel-toggle:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.has-video{position:absolute;right:10px;top:10px;padding:5px 9px 5px 22px;border-radius:2px;background:rgba(28,40,48,.85);color:#e7ecea;font-size:12px;font-weight:600;letter-spacing:.02em}
.has-video::before{content:"";position:absolute;left:9px;top:50%;margin-top:-4px;border-left:7px solid var(--orange);border-top:4px solid transparent;border-bottom:4px solid transparent}
.real-photos video{grid-column:1/-1;width:100%;aspect-ratio:16/9;background:var(--ink);border-radius:2px}
.brand img{width:40px;height:40px;mix-blend-mode:normal}
.foot-logo{display:block;width:280px;max-width:100%;height:auto;margin-bottom:12px}