/* FURD site — shared stylesheet */
:root{
  --night:#0A0E11;
  --night-2:#0F1519;
  --warm:#F5F1E8;
  --warm-60:rgba(245,241,232,.60);
  --warm-38:rgba(245,241,232,.38);
  --warm-18:rgba(245,241,232,.16);
  --glow:#FFD9A0;
  --gut:clamp(20px,4.6vw,72px);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--night);color:var(--warm);
  font-family:'Manrope',-apple-system,'Segoe UI',sans-serif;
  font-size:16px;line-height:1.6;font-weight:300;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
.wrap{max-width:1500px;margin:0 auto;padding:0 var(--gut)}
.eyebrow{font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--warm-38);font-weight:500}

/* ============ header ============ */
header{position:fixed;top:0;left:0;right:0;z-index:60;transition:.35s}
header.solid{background:rgba(10,14,17,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--warm-18)}
.hd{display:flex;align-items:center;justify-content:space-between;height:78px}
.brand{display:flex;align-items:baseline;gap:14px}
.brand b{font-weight:600;font-size:20px;letter-spacing:.06em}
.brand span{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--warm-38)}
nav{display:flex;gap:31px}
nav a{font-size:13.5px;color:var(--warm-60);transition:.2s;font-weight:400;position:relative;padding:4px 0}
nav a:hover,nav a.on{color:var(--warm)}
nav a.on::after{content:'';position:absolute;left:0;right:0;bottom:-2px;height:1px;background:var(--glow)}
.hd-right{display:flex;align-items:center;gap:22px}
.tel{font-size:12.5px;color:var(--warm-60)}

.btn{
  display:inline-flex;align-items:center;gap:10px;height:46px;padding:0 24px;
  font-size:13.5px;font-weight:500;letter-spacing:.02em;border-radius:1px;
  border:1px solid var(--warm-18);color:var(--warm);transition:.24s;background:transparent;
  font-family:inherit;cursor:pointer;
}
.btn:hover{border-color:var(--warm);background:rgba(245,241,232,.06)}
.btn.lit{background:var(--glow);border-color:var(--glow);color:#221708;font-weight:600}
.btn.lit:hover{background:#fff0d4;border-color:#fff0d4}

/* ============ hero carousel ============ */
.hero{position:relative;height:100vh;min-height:660px;overflow:hidden}
.slides{position:absolute;inset:0}

.slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;
  transition:opacity .9s cubic-bezier(.4,0,.2,1),visibility .9s;
}
.slide.on{opacity:1;visibility:visible}

.slide-bg{position:absolute;inset:0}
.slide[data-tone="diesel"] .slide-bg{
  background:
    radial-gradient(48% 42% at 68% 44%, rgba(255,198,132,.20) 0%, rgba(255,198,132,.06) 40%, rgba(255,198,132,0) 70%),
    linear-gradient(158deg, #0B1014 0%, #121819 46%, #080B0E 100%);
}
.slide[data-tone="solar"] .slide-bg{
  background:
    radial-gradient(50% 44% at 68% 44%, rgba(178,206,232,.17) 0%, rgba(178,206,232,.05) 40%, rgba(178,206,232,0) 72%),
    linear-gradient(158deg, #080C10 0%, #0D151B 46%, #06090C 100%);
}
.slide[data-tone="generator"] .slide-bg{
  background:
    radial-gradient(50% 44% at 68% 44%, rgba(255,182,120,.15) 0%, rgba(255,182,120,.05) 40%, rgba(255,182,120,0) 72%),
    linear-gradient(158deg, #0A0D10 0%, #131719 46%, #080A0C 100%);
}

/* 真实照片：右侧，边缘溶进背景 */
.shot{
  position:absolute;right:clamp(16px,6.4vw,104px);top:50%;
  width:min(64vw,1010px);aspect-ratio:578/433;
  transform:translateY(-50%) scale(1.02);
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 26%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 13%, #000 87%, transparent 100%);
  -webkit-mask-composite:source-in;
  mask-image:
    linear-gradient(to right, transparent 0%, #000 26%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 13%, #000 87%, transparent 100%);
  mask-composite:intersect;
  transition:transform 1.2s cubic-bezier(.2,.7,.2,1),opacity 1.2s;
  opacity:0;
}
.slide.on .shot{transform:translateY(-50%) scale(1);opacity:1}
.shot img{width:100%;height:100%;object-fit:cover}
.slide[data-tone="generator"] .shot img{filter:brightness(.60) contrast(1.08) saturate(.85)}
.shot::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(70% 70% at 50% 46%, rgba(0,0,0,0) 40%, rgba(8,11,14,.35) 100%);
}

/* 03 发电机：新产品，暂无照片与参数 —— 预留位而非破图 */
.pending-side{
  position:absolute;right:var(--gut);top:50%;transform:translateY(-52%);
  width:min(440px,40vw);
}
.pending{
  position:relative;aspect-ratio:4/3;
  border:1px solid rgba(245,241,232,.14);
  display:flex;flex-direction:column;justify-content:space-between;
  padding:20px 22px;
}
.pending::before{
  content:'';position:absolute;inset:9px;border:1px solid rgba(245,241,232,.055);pointer-events:none;
}
.pending .tag{
  font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--warm-38);
}
.pending .mid{
  margin:auto 0;color:var(--warm-60);font-size:13px;line-height:1.85;max-width:26ch;
}
.pending .mid b{display:block;color:var(--warm);font-weight:400;margin-bottom:6px}
.pending .foot{
  font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--warm-38);
}

/* 文案 */
.slide-copy{
  position:relative;z-index:5;height:100%;
  display:flex;flex-direction:column;justify-content:center;
  padding-bottom:88px;max-width:min(660px,50vw);
}.slide-copy .eyebrow{margin-bottom:22px}
.slide h1:not(.h-lead),.slide h2.h-lead{
  font-size:clamp(34px,5vw,70px);line-height:1.02;letter-spacing:-.035em;font-weight:200;
}
.slide h1 b,.slide h2.h-lead b{font-weight:500}
.slide h1 .eyebrow{display:block;line-height:1.5;margin-bottom:22px}
.slide p{color:var(--warm-60);margin-top:26px;max-width:36ch;font-size:16px;line-height:1.7}
.slide .acts{display:flex;gap:14px;margin-top:36px;flex-wrap:wrap}
.slide .meta{display:flex;gap:38px;margin-top:40px;flex-wrap:wrap}
.slide .meta div{font-size:12px;color:var(--warm-38);letter-spacing:.06em}
.slide .meta b{display:block;font-size:20px;font-weight:300;color:var(--warm);letter-spacing:-.01em;margin-top:4px}

/* 控制条 */
.hero-ui{
  position:absolute;left:0;right:0;bottom:0;z-index:20;
  border-top:1px solid var(--warm-18);
  background:linear-gradient(180deg, transparent, rgba(10,14,17,.6));
}
.hero-ui .in{display:flex;align-items:center;justify-content:space-between;gap:28px;padding-top:20px;padding-bottom:22px}
.dots{display:flex;align-items:center}
.dots button{
  appearance:none;background:none;border:0;padding:12px 0;margin-right:26px;
  cursor:pointer;display:flex;align-items:center;gap:10px;font:inherit;color:var(--warm-38);
  font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;transition:.3s;
}
.dots button .bar{display:block;width:44px;height:1px;background:rgba(245,241,232,.22);position:relative;overflow:hidden}
.dots button .bar::after{content:'';position:absolute;inset:0;background:var(--glow);transform:scaleX(0);transform-origin:left}
.dots button.on{color:var(--warm)}
.dots button.on .bar{background:rgba(245,241,232,.28)}
.dots button.on .bar::after{animation:fill 6.5s linear forwards}
.hero-ui.paused .dots button.on .bar::after{animation-play-state:paused}
@keyframes fill{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.count{font-size:12px;color:var(--warm-38);letter-spacing:.14em}
.count b{color:var(--warm);font-weight:500}

/* ============ 信任条 ============ */
.trust{border-bottom:1px solid var(--warm-18);background:var(--night-2)}
.trust .in{display:grid;grid-template-columns:repeat(4,1fr)}
.trust .in>div{padding:26px 0 26px 26px;border-left:1px solid var(--warm-18)}
.trust .in>div:first-child{border-left:0;padding-left:0}
.trust b{display:block;font-size:22px;font-weight:300;letter-spacing:-.01em}
.trust small{display:block;margin-top:5px;font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--warm-38)}

/* ============ 通用区块 ============ */
section{padding:clamp(70px,9vw,148px) 0;position:relative}
.sec-hd{max-width:64ch;margin-bottom:clamp(36px,5vw,68px)}
.sec-hd h2{font-size:clamp(28px,3.6vw,48px);line-height:1.08;letter-spacing:-.03em;font-weight:200;margin-top:18px}
.sec-hd h2 b{font-weight:500}
.sec-hd p{color:var(--warm-60);font-size:16px;line-height:1.7;margin-top:20px;max-width:52ch}

/* ============ 型号卡（4 列） ============ */
.models{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--warm-18)}
.mc{background:var(--night);display:flex;flex-direction:column;transition:.3s;overflow:hidden}
.mc:hover{background:var(--night-2)}
.mc .pic{aspect-ratio:4/3;overflow:hidden;background:#0D1215;position:relative}
.mc .pic img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:.5s}
.mc:hover .pic img{transform:scale(1.03);opacity:1}
.mc .pic .flag{position:absolute;top:12px;left:12px;font-size:9.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--warm);background:rgba(10,14,17,.72);padding:4px 8px;backdrop-filter:blur(4px)}
.mc .bd{padding:22px 22px 26px;display:flex;flex-direction:column;gap:9px;flex:1}
.mc .code{font-size:11px;letter-spacing:.14em;color:var(--glow);text-transform:uppercase}
.mc h3{font-size:17px;font-weight:400;letter-spacing:-.01em;line-height:1.35}
.mc .kv{display:flex;flex-direction:column;gap:5px;margin-top:4px}
.mc .kv span{display:flex;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--warm-38);
  border-bottom:1px solid rgba(245,241,232,.07);padding-bottom:5px}
.mc .kv span em{font-style:normal;color:var(--warm-60)}
.mc .go{margin-top:auto;padding-top:16px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--warm-38);transition:.2s}
.mc:hover .go{color:var(--glow)}

/* spec table */
.list{border-top:1px solid var(--warm-18)}
.list a{display:grid;grid-template-columns:minmax(0,1.1fr) 90px 130px 150px 110px 40px;align-items:center;gap:18px;
  padding:19px 0;border-bottom:1px solid var(--warm-18);transition:.24s;font-size:14.5px}
.list a:hover{padding-left:12px;background:linear-gradient(90deg, rgba(255,217,160,.06), transparent 60%)}
.list .m{font-weight:400;letter-spacing:.02em}
.list .s{color:var(--warm-38);font-size:13px}
.list .arw{color:var(--warm-38);text-align:right;transition:.24s}
.list a:hover .arw{color:var(--glow);transform:translateX(4px)}
.list .head{display:grid;grid-template-columns:minmax(0,1.1fr) 90px 130px 150px 110px 40px;gap:18px;
  padding:0 0 12px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--warm-38)}
.dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--glow);margin-right:8px;vertical-align:middle}

/* ============ 应用场景照片墙 ============ */
.apps{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--warm-18)}
.app{background:var(--night);position:relative;aspect-ratio:4/3;overflow:hidden;display:flex;flex-direction:column;justify-content:flex-end}
.app .slot{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(120% 90% at 50% 0%, rgba(255,217,160,.05), transparent 60%),
    #0C1114;
  color:rgba(245,241,232,.16);font-size:10px;letter-spacing:.2em;text-transform:uppercase;
}
.app .slot::after{content:'';position:absolute;inset:14px;border:1px dashed rgba(245,241,232,.10)}
.app img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.72;transition:.5s}
.app:hover img{opacity:.9;transform:scale(1.03)}
.app .cap{position:relative;z-index:2;padding:44px 20px 18px;
  background:linear-gradient(to top,rgba(8,11,13,.94) 30%,rgba(8,11,13,.5) 70%,transparent);
  display:flex;flex-direction:column;gap:4px}
.app .cap b{font-size:14.5px;font-weight:400;letter-spacing:-.005em}
.app .cap span{font-size:11px;color:var(--warm-38);letter-spacing:.04em}
.app:hover .cap span{color:var(--warm-60)}

/* ============ 产品视频 ============ */
    .vidsec video{width:100%;aspect-ratio:16/9;display:block;background:#05080A;
      border:1px solid var(--warm-18);object-fit:cover}
    .vidsec .tour-hd{margin-bottom:clamp(22px,3vw,36px)}

    /* ============ 部署现场 ============ */
.deploy{background:var(--night-2);border-top:1px solid var(--warm-18);border-bottom:1px solid var(--warm-18)}
.deploy-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.dslot{position:relative;aspect-ratio:3/4;border:1px solid rgba(245,241,232,.10);
  display:flex;flex-direction:column;justify-content:space-between;padding:16px 16px 18px;background:#0C1114}
.dslot::before{content:'';position:absolute;inset:9px;border:1px solid rgba(245,241,232,.045)}
.dslot .n{font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--warm-38);position:relative;z-index:2}
.dslot .t{margin:auto 0;font-size:12.5px;color:var(--warm-38);line-height:1.7;max-width:20ch;position:relative;z-index:2}
.dslot .t b{display:block;color:var(--warm-60);font-weight:400;margin-bottom:5px}
.dslot .f{font-size:9.5px;letter-spacing:.18em;text-transform:uppercase;color:rgba(245,241,232,.22);position:relative;z-index:2}

/* ============ factory proof ============ */
.proof{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:46px}
.proof figure{position:relative;overflow:hidden;background:#0D1215}
.proof figure.wide{grid-column:1/-1}
.proof .wide img{aspect-ratio:21/9;object-position:center 42%}
.proof img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.92;filter:saturate(.92);transition:.6s}
.proof figure:hover img{opacity:1;transform:scale(1.02)}
.proof figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 14px 12px;font-size:10px;
  letter-spacing:.18em;text-transform:uppercase;color:rgba(245,241,232,.8);
  background:linear-gradient(to top,rgba(8,11,13,.94),rgba(8,11,13,.6) 58%,transparent)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--warm-18)}
.stats div{padding:28px 26px 0;border-left:1px solid var(--warm-18)}
.stats div:first-child{border-left:0;padding-left:0}
.stats b{display:block;font-size:clamp(26px,3.2vw,42px);font-weight:200;letter-spacing:-.03em;line-height:1;color:var(--warm)}
.stats small{display:block;margin-top:10px;font-size:12.5px;color:var(--warm-38);line-height:1.5}

/* ============ 认证 ============ */
.certs{border-top:1px solid var(--warm-18)}
.certs .in{display:grid;grid-template-columns:repeat(4,1fr)}
.certs .c{padding:34px 26px 0;border-left:1px solid var(--warm-18)}
.certs .c:first-child{border-left:0;padding-left:0}
.certs .big{font-size:15px;font-weight:500;letter-spacing:.02em;color:var(--warm)}
.certs .sub{margin-top:8px;font-size:12.5px;color:var(--warm-38);line-height:1.6}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--warm-18)}
.faq details{border-bottom:1px solid var(--warm-18)}
.faq summary{
  list-style:none;cursor:pointer;padding:24px 44px 24px 0;position:relative;
  font-size:17px;font-weight:400;letter-spacing:-.005em;transition:.2s;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--glow)}
.faq summary::after{
  content:'+';position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:19px;font-weight:300;color:var(--warm-38);transition:.25s;
}
.faq details[open] summary::after{content:'–';color:var(--glow)}
.faq .ans{padding:0 60px 26px 0;color:var(--warm-60);font-size:14.8px;line-height:1.8;max-width:78ch}
.faq .ans b{color:var(--warm);font-weight:400}

/* ============ 询盘表单 ============ */
.quote{background:var(--night-2);border-top:1px solid var(--warm-18)}
.qgrid{display:grid;grid-template-columns:1fr 1.25fr;gap:clamp(30px,5vw,80px);align-items:start}
.qgrid h2{font-size:clamp(28px,3.4vw,44px);font-weight:200;letter-spacing:-.03em;line-height:1.08;margin-top:18px}
.qgrid h2 b{font-weight:500}
.qgrid p{color:var(--warm-60);font-size:15px;line-height:1.7;margin-top:18px;max-width:38ch}
.qgrid .note{margin-top:26px;font-size:12.5px;color:var(--warm-38);line-height:1.8}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
form label{display:block;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--warm-38);margin-bottom:8px}
form input,form textarea,form select{
  width:100%;background:rgba(245,241,232,.04);border:1px solid var(--warm-18);
  color:var(--warm);font:inherit;font-size:14.5px;padding:13px 14px;border-radius:1px;
  transition:.2s;outline:none;
}
form input::placeholder,form textarea::placeholder{color:rgba(245,241,232,.22)}
form input:focus,form textarea:focus,form select:focus{border-color:var(--glow);background:rgba(255,217,160,.04)}
form textarea{resize:vertical;min-height:104px}
form select{appearance:none;cursor:pointer}
form .full{margin-bottom:14px}
form .sub{display:flex;align-items:center;gap:18px;margin-top:20px;flex-wrap:wrap}
form .sub small{font-size:11.5px;color:var(--warm-38)}

/* ============ news ============ */
.news{display:grid;grid-template-columns:1.35fr 1fr;gap:1px;background:var(--warm-18)}
.news a{background:var(--night);display:flex;flex-direction:column;transition:.3s;overflow:hidden}
.news a:hover{background:var(--night-2)}
.news .thumb{aspect-ratio:16/11;overflow:hidden;background:#0D1215}
.news .thumb img{width:100%;height:100%;object-fit:cover;opacity:.85;transition:.5s}
.news a:hover .thumb img{opacity:1;transform:scale(1.03)}
.news .txt{padding:24px 26px 28px;display:flex;flex-direction:column;gap:11px;flex:1}
.news .d{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--warm-38)}
.news h4{font-size:16px;font-weight:400;line-height:1.45}
.news .more{margin-top:auto;padding-top:14px;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--warm-38)}
.news a:hover .more{color:var(--glow)}
.news .side{display:grid;grid-template-rows:1fr 1fr;gap:1px;background:var(--warm-18)}
.news .side a{padding:28px 26px;justify-content:flex-start;gap:12px}
.news .side h4{font-size:17px}

/* ============ footer ============ */
footer{border-top:1px solid var(--warm-18);padding:48px 0 56px;font-size:13px;color:var(--warm-38)}
.ft{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.ft .col{display:flex;flex-direction:column;gap:8px}
.ft b{color:var(--warm);font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;margin-bottom:4px}
.ft .col span,.ft .col a{font-size:13px;line-height:1.7}
.ft .col a:hover{color:var(--warm)}
.ft .brandline{font-size:20px;font-weight:600;letter-spacing:.06em;color:var(--warm);margin-bottom:10px}
.legal{margin-top:36px;padding-top:20px;border-top:1px solid var(--warm-18);display:flex;
  justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:11.5px;letter-spacing:.04em}
.legal .cc{flex-basis:100%;order:3;margin-top:10px;color:var(--warm-38);font-size:10.5px;letter-spacing:.02em}
.legal .rk{display:flex;gap:18px}

@media(max-width:1180px){
  .models,.apps{grid-template-columns:repeat(2,1fr)}
  .deploy-grid{grid-template-columns:repeat(2,1fr)}
  .proof{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:1080px){
  nav{display:none}
  .hero{height:auto;min-height:0;padding:110px 0 0}
  .slides{position:relative;min-height:560px}
  .slide{position:relative;display:none}
  .slide.on{display:block}
  .shot{position:relative;right:auto;top:auto;width:100%;transform:none;margin:26px 0 0;
    -webkit-mask-image:none;mask-image:none}
  .slide.on .shot{transform:none}
  .pending-side{position:relative;right:auto;top:auto;transform:none;width:100%;margin-top:30px}
  .slide-copy{max-width:none;padding-bottom:16px;justify-content:flex-start;height:auto}
  .hero-ui{position:relative;background:none}
  .trust .in,.certs .in{grid-template-columns:1fr 1fr}
  .trust .in>div:nth-child(3),.certs .c:nth-child(3){border-left:0;padding-left:0}
  .qgrid{grid-template-columns:1fr}
  .news{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stats div:nth-child(3){border-left:0;padding-left:0}
  .list a,.list .head{grid-template-columns:1fr 80px 40px}
  .list .h2,.list .h3,.list .h4{display:none}
  .ft{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .models,.apps,.deploy-grid,.proof,.trust .in,.certs .in{grid-template-columns:1fr}
  .trust .in>div{border-left:0;padding-left:0}
  .certs .c{border-left:0;padding-left:0}
  form .row{grid-template-columns:1fr}
  .ft{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){
  .slide,.shot{transition-duration:.01ms}
  .dots button.on .bar::after{animation:none;transform:scaleX(1)}
}

/* ================= product detail page ================= */
.crumbs{padding-top:104px;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--warm-38)}
.crumbs a:hover{color:var(--warm)}
.crumbs span{margin:0 9px;opacity:.5}

.pdp{padding:26px 0 clamp(50px,6vw,80px)}
.pdp .two{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,64px);align-items:start}
.gal .main{aspect-ratio:4/3;overflow:hidden;background:#0D1215;border:1px solid rgba(245,241,232,.06)}
.gal .main img{width:100%;height:100%;object-fit:cover}
.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}
.thumbs button{appearance:none;padding:0;border:1px solid var(--warm-18);background:#0D1215;cursor:pointer;overflow:hidden;aspect-ratio:4/3}
.thumbs img{width:100%;height:100%;object-fit:cover;opacity:.6;transition:.3s}
.thumbs button:hover img,.thumbs button.on img{opacity:1}
.thumbs button.on{border-color:var(--glow)}

.pinfo .code{font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--glow)}
.pinfo h1{font-size:clamp(26px,3.1vw,42px);font-weight:200;letter-spacing:-.03em;line-height:1.08;margin-top:14px}
.pinfo .lead{color:var(--warm-60);font-size:15.5px;line-height:1.75;margin-top:18px;max-width:44ch}
.pinfo .sub{margin-top:14px;font-size:14.5px;line-height:1.62;color:rgba(245,241,232,.62);max-width:52ch}
.pinfo .acts{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.pinfo .mini{margin-top:30px;border-top:1px solid var(--warm-18);display:grid;grid-template-columns:1fr}
.pinfo .mini div{display:grid;grid-template-columns:92px 1fr;gap:14px;padding:11px 0;border-bottom:1px solid rgba(245,241,232,.07);font-size:13.5px}
.pinfo .mini span{color:var(--warm-38)}
.pinfo .mini b{font-weight:400;color:var(--warm);text-align:left}

.keyfacts{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--warm-18);border-top:1px solid var(--warm-18);border-bottom:1px solid var(--warm-18)}
.keyfacts div{background:var(--night);padding:22px 18px}
.keyfacts b{display:block;font-size:17px;font-weight:400;letter-spacing:-.01em}
.keyfacts small{display:block;margin-top:6px;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--warm-38)}

.feats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--warm-18)}
.feats div{background:var(--night);padding:30px 26px}
.feats .n{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--glow)}
.feats h3{font-size:16.5px;font-weight:400;margin-top:12px;letter-spacing:-.005em}
.feats p{font-size:13.5px;color:var(--warm-60);line-height:1.7;margin-top:10px}

.spec2{border-top:1px solid var(--warm-18);max-width:920px}
.spec2 div{display:grid;grid-template-columns:1fr 1.3fr;gap:20px;padding:14px 0;border-bottom:1px solid var(--warm-18);font-size:14px}
.spec2 dt{color:var(--warm-38)}
.spec2 dd{color:var(--warm);font-weight:300}
.spec2 .note{display:block;grid-template-columns:none;padding-top:18px;border:0;color:var(--warm-38);font-size:12.5px;line-height:1.7}

.opts{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--warm-18)}
.opts div{background:var(--night);padding:24px 22px}
.opts b{font-size:14.5px;font-weight:400}
.opts p{font-size:13px;color:var(--warm-60);line-height:1.7;margin-top:8px}

.related{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--warm-18)}

@media(max-width:1180px){
  .keyfacts{grid-template-columns:repeat(3,1fr)}
  .feats{grid-template-columns:repeat(2,1fr)}
  .opts,.related{grid-template-columns:1fr 1fr}
}
@media(max-width:1080px){
  .pdp .two{grid-template-columns:1fr}
  .crumbs{padding-top:96px}
}
@media(max-width:640px){
  .keyfacts{grid-template-columns:repeat(2,1fr)}
  .feats,.opts,.related{grid-template-columns:1fr}
  .spec2 div{grid-template-columns:1fr;gap:2px}
}

/* ================= 侧边悬浮栏：询盘通道 ================= */
.rail{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:70;
  display:flex;flex-direction:column;gap:11px}
.rail a{
  width:52px;height:52px;border-radius:50%;position:relative;
  display:grid;place-items:center;text-decoration:none;color:#fff;
  transition:transform .2s, box-shadow .2s, filter .2s;
}
.rail svg{width:25px;height:25px;display:block;fill:currentColor}
.rail a:hover{transform:translateX(-4px);filter:brightness(1.07);
  box-shadow:0 10px 26px rgba(0,0,0,.5)}
.rail a.wa{background:#25D366;box-shadow:0 8px 22px rgba(37,211,102,.22)}
.rail a.mail{background:rgba(10,14,17,.82);color:var(--glow);
  border:1px solid var(--warm-38);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.rail a.mail:hover{border-color:var(--glow)}
.rail a .tip{
  position:absolute;right:64px;top:50%;transform:translateY(-50%) translateX(6px);
  white-space:nowrap;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;
  background:rgba(10,14,17,.94);border:1px solid var(--warm-18);padding:7px 11px;
  color:var(--warm-60);opacity:0;pointer-events:none;transition:.2s;
}
.rail a:hover .tip{opacity:1;transform:translateY(-50%) translateX(0)}

/* ================= 导航栏右上角：社媒引流小入口 ================= */
.hd-social{display:flex;align-items:center;gap:7px;margin-right:20px;
  padding-right:20px;border-right:1px solid var(--warm-06)}
.hd-social a{width:27px;height:27px;border-radius:50%;display:grid;place-items:center;
  color:#fff;text-decoration:none;opacity:.88;transition:.2s}
.hd-social svg{width:14px;height:14px;display:block;fill:currentColor}
.hd-social a:hover{opacity:1;transform:translateY(-1px)}
.hd-social .fb{background:#1877F2}
.hd-social .yt{background:#FF0000}
.hd-social .ig{background:linear-gradient(45deg,#F58529 0%,#DD2A7B 42%,#8134AF 74%,#515BD4 100%)}

@media(max-width:1100px){
  .rail{right:10px;gap:9px}
  .rail a{width:46px;height:46px}
  .rail svg{width:22px;height:22px}
  .rail a .tip{right:56px}
}
@media(max-width:900px){
  .rail{display:none}
  .hd-social{display:none}
}

/* --- 产品页右栏给悬浮栏让位，避免参数值被圆钮压住 --- */
@media(min-width:901px){
  body.pdp-page .wrap:not(.hd){padding-right:calc(var(--gut) + 60px)}
}

/* --- 品牌标识 --- */
.brand{align-items:center}
.brand a{display:block;line-height:0}
.brand img{height:27px;width:auto;display:block}
.ft .brandline{margin-bottom:12px;line-height:0}
.ft .brandline img{height:24px;width:auto;display:block}
@media(max-width:900px){
  .brand img{height:22px}
}


/* ============ about / factory 页 ============ */
.op{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(24px,4vw,72px);align-items:end;margin-top:22px}
.op h1{font-size:clamp(32px,4.4vw,60px);line-height:1.04;letter-spacing:-.035em;font-weight:200}
.op h1 b{font-weight:500}
.op p{color:var(--warm-60);font-size:16.5px;line-height:1.75;max-width:44ch}
.op-wide{grid-template-columns:.95fr 1.05fr;align-items:center}
.op h2{font-size:clamp(26px,3vw,38px);line-height:1.1;letter-spacing:-.03em;font-weight:200;margin-top:16px}
.op h2 b{font-weight:500}
.op h2 + p{margin-top:20px}
.op p + p{margin-top:14px}
.op-fig{position:relative;overflow:hidden;background:#0D1215}
.op-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.94;filter:saturate(.92)}
.op-fig figcaption,.wide-band figcaption,.visit figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:34px 14px 12px;font-size:10px;
  letter-spacing:.14em;text-transform:uppercase;color:rgba(245,241,232,.7);
  background:linear-gradient(to top,rgba(10,14,17,.92),rgba(10,14,17,0));
}
.op + .stats{margin-top:clamp(30px,3.6vw,50px)}
.op .facts{margin-top:26px;border-top:1px solid var(--warm-18)}
.op .facts div{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:13px 0;border-bottom:1px solid var(--warm-18)}
.op .facts b{font-size:12.5px;font-weight:500;letter-spacing:.02em}
.op .facts span{font-size:13.4px;color:var(--warm-60);line-height:1.6}

.who h2{margin-bottom:2px}
.site-list{border-top:1px solid var(--warm-18)}
.site-list>b{display:block;padding:15px 0 4px;font-size:10.5px;letter-spacing:.18em;
  text-transform:uppercase;color:var(--warm-38);font-weight:500}
.site-list ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
.site-list li{display:flex;gap:11px;align-items:baseline;padding:12px 0;
  border-bottom:1px solid var(--warm-18);font-size:13.4px;color:var(--warm-60)}
.site-list li i{font-style:normal;font-size:9.5px;letter-spacing:.12em;color:var(--glow);opacity:.75}

.wide-band{position:relative;overflow:hidden;background:#0D1215}
.wide-band img{width:100%;aspect-ratio:21/9;object-fit:cover;object-position:center 46%;opacity:.95;filter:saturate(.94)}

.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--warm-18);
       border-top:1px solid var(--warm-18);border-bottom:1px solid var(--warm-18)}
.step{background:var(--night);display:flex;flex-direction:column}
.step .ph{aspect-ratio:4/3;overflow:hidden;background:#0D1215}
.step .ph img{width:100%;height:100%;object-fit:cover;opacity:.9;filter:saturate(.9);transition:.6s}
.step:hover .ph img{opacity:1;transform:scale(1.03)}
.step .tx{padding:20px 22px 26px}
.step .n{font-size:10.5px;letter-spacing:.2em;color:var(--warm-38);font-weight:500}
.step h3{font-size:17px;font-weight:500;margin-top:8px;letter-spacing:-.01em}
.step p{font-size:13.6px;color:var(--warm-60);line-height:1.66;margin-top:9px}

.tour-hd{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(24px,4vw,72px);
  align-items:end;margin-bottom:26px}
.tour-hd h2{font-size:clamp(26px,3.2vw,42px);line-height:1.08;letter-spacing:-.03em;font-weight:200;margin-top:16px}
.tour-hd p{color:var(--warm-60);font-size:15px;line-height:1.7;max-width:40ch}

.vtour{position:relative;display:block;width:100%;padding:0;border:0;cursor:pointer;
  background:#0D1215;overflow:hidden;font-family:inherit;color:inherit;text-align:left}
.vtour img{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.66;
  filter:saturate(.88);transition:.55s cubic-bezier(.4,0,.2,1)}
.vtour:hover img{opacity:.88;transform:scale(1.015)}
.vtour .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:76px;height:76px;border-radius:50%;border:1px solid rgba(255,217,160,.65);
  background:rgba(10,14,17,.32);backdrop-filter:blur(7px);display:grid;place-items:center;
  transition:.3s}
.vtour .play svg{width:22px;height:22px;fill:var(--glow);margin-left:4px;transition:.3s}
.vtour:hover .play{background:var(--glow);border-color:var(--glow);transform:translate(-50%,-50%) scale(1.06)}
.vtour:hover .play svg{fill:#221708}
.vtour .cap{position:absolute;left:0;right:0;bottom:0;padding:44px 20px 16px;
  display:flex;justify-content:space-between;align-items:baseline;gap:16px;
  background:linear-gradient(to top,rgba(10,14,17,.94),rgba(10,14,17,0));
  font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:rgba(245,241,232,.75)}
.vtour .cap b{font-weight:500;letter-spacing:.16em;color:var(--warm)}
    .vidnote{margin-top:14px;font-size:12.5px;color:var(--warm-38);letter-spacing:.01em}
    .vidnote a{color:var(--glow);text-decoration:none;border-bottom:1px solid rgba(255,217,160,.35)}
    .vidnote a:hover{border-bottom-color:var(--glow)}
    .vframe iframe{width:100%;aspect-ratio:16/9;border:0;display:block;background:#000}

.tl{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--warm-18)}
.tl div{padding:26px 20px 0;border-left:1px solid var(--warm-18)}
.tl div:first-child{border-left:0;padding-left:0}
.tl b{display:block;font-size:clamp(19px,2vw,26px);font-weight:200;letter-spacing:-.02em}
.tl span{display:block;margin-top:12px;font-size:13.2px;color:var(--warm-60);line-height:1.7}

.certs-hd{display:grid;grid-template-columns:1.3fr .7fr;gap:clamp(24px,4vw,72px);
  align-items:end;margin:clamp(46px,6vw,78px) 0 30px}
.certs-hd h2{font-size:clamp(24px,2.8vw,36px);line-height:1.1;letter-spacing:-.03em;
  font-weight:200;margin-top:14px}
.certs-hd p{color:var(--warm-60);font-size:14.5px;line-height:1.7;max-width:38ch}
.certgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(16px,2vw,26px)}
.cc{display:block}
.cc .paper{display:block;background:#EDE8DD;padding:9px;transition:.3s}
.cc .paper img{width:100%;display:block;aspect-ratio:1/1.414;object-fit:contain;background:#EDE8DD}
.cc:hover .paper{background:#fff}
.cc:hover .paper img{outline:1px solid var(--glow);outline-offset:-1px}
.cc .lab{display:block;margin-top:12px;font-size:10.5px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--warm-60)}
.cc .lab em{display:block;margin-top:5px;font-style:normal;color:var(--warm-38);letter-spacing:.1em}
.certnote{margin-top:26px;font-size:12.2px;line-height:1.7;color:var(--warm-38);max-width:70ch}

.visit{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);align-items:center}
.visit figure{position:relative;overflow:hidden;background:#0D1215}
.visit figure img{width:100%;aspect-ratio:4/3;object-fit:cover;opacity:.95;filter:saturate(.92)}
.visit h2{font-size:clamp(26px,3vw,38px);line-height:1.1;letter-spacing:-.03em;font-weight:200;margin-top:16px}
.visit h2 b{font-weight:500}
.visit p{color:var(--warm-60);font-size:15.5px;line-height:1.75;margin-top:18px;max-width:44ch}
.addr{margin-top:26px;padding-top:22px;border-top:1px solid var(--warm-18);display:grid;gap:9px}
.addr b{font-size:13px;font-weight:500;letter-spacing:.02em}
.addr span{font-size:13.4px;color:var(--warm-60);line-height:1.65}

@media(max-width:1000px){
  .op,.op-wide,.tour-hd,.certs-hd{grid-template-columns:1fr;gap:26px}
  .steps{grid-template-columns:1fr 1fr}
  .certgrid{grid-template-columns:1fr 1fr}
  .tl{grid-template-columns:1fr}
  .tl div{border-left:0;padding:20px 0 0}
  .visit{grid-template-columns:1fr}
  .wide-band img,.vtour img{aspect-ratio:16/9}
}
@media(max-width:640px){
  .steps{grid-template-columns:1fr}
  .site-list ul{grid-template-columns:1fr}
  .op .facts div{grid-template-columns:1fr;gap:4px}
}

/* ================= 应用场景页 ================= */
.appgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,2.4vw,38px)}
.acard{display:flex;flex-direction:column}
.acard-fig{margin:0;overflow:hidden;background:#0D1215}
.acard-fig img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block;opacity:.94;
  filter:saturate(.92);transition:transform .9s cubic-bezier(.2,.6,.2,1),opacity .5s}
.app:hover .acard-fig img{transform:scale(1.03);opacity:1}
.acard-no{margin-top:18px;font-family:'Manrope';font-size:11px;font-weight:500;
  letter-spacing:.22em;color:var(--glow)}
.acard h3,.acard h2.acard-t{margin:9px 0 0;font-size:19px;font-weight:500;letter-spacing:-.01em;line-height:1.25}
.acard p{margin-top:11px;font-size:14px;line-height:1.62;color:var(--warm-60);max-width:40ch}
.acard .acard-fit{margin-top:auto;padding-top:15px;border-top:1px solid var(--warm-18);
  font-size:12.5px;color:rgba(245,241,232,.42)}
.acard .acard-fit b{color:var(--warm);font-weight:500}
@media(max-width:1020px){.appgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.appgrid{grid-template-columns:1fr}}

.fittab{width:100%;border-collapse:collapse;margin-top:clamp(30px,4vw,48px);text-align:left}
.fittab th{padding:0 20px 12px 0;border-bottom:1px solid var(--warm-18);
  font-size:10.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(245,241,232,.42)}
.fittab td{padding:17px 20px 17px 0;border-bottom:1px solid rgba(245,241,232,.08);
  vertical-align:top;color:var(--warm-60);font-size:13.8px;line-height:1.6}
.fittab td:first-child{color:var(--warm);font-size:14px}
.fittab th:first-child,.fittab td:first-child{width:25%}
.fittab th:nth-child(2),.fittab td:nth-child(2){width:25%}
.fittab td:last-child,.fittab th:last-child{padding-right:0}
.fittab td b{display:block;font-size:14.5px;font-weight:500;color:var(--warm);letter-spacing:.01em}
.fittab td small{display:block;margin-top:4px;font-size:12px;color:rgba(245,241,232,.42)}
@media(max-width:760px){
  .fittab th:nth-child(3),.fittab td:nth-child(3){display:none}
}
.tabnote{margin-top:22px;font-size:12.6px;line-height:1.7;color:rgba(245,241,232,.42);max-width:74ch}
.tabnote a{color:var(--glow);border-bottom:1px solid rgba(255,217,160,.35)}

.alsolist{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.alsolist span{border:1px solid var(--warm-18);border-radius:100px;padding:9px 17px;
  font-size:13px;color:var(--warm-60)}

.credits{padding-top:30px;border-top:1px solid var(--warm-18)}
.credits b{font-size:10.5px;font-weight:500;letter-spacing:.2em;text-transform:uppercase;
  color:rgba(245,241,232,.42)}
.credits p{margin-top:11px;padding-bottom:38px;font-size:11.5px;line-height:1.75;
  color:rgba(245,241,232,.44);max-width:112ch}

/* --- 产品页图库：白底图用浅色板承托，实景图满幅 --- */
.gal .main.plate,.thumbs button.plate{background:#fff;border-color:rgba(245,241,232,.14)}
.gal .main.plate{aspect-ratio:4/3}
.gal .main.plate img{object-fit:contain;padding:0}
.gal .main.scene{aspect-ratio:4/3;background:#0D1215}
.gal .main.scene img{object-fit:contain;padding:0}
.thumbs button.plate img{object-fit:contain;padding:7%;opacity:1}
.thumbs button.scene img{object-fit:contain;opacity:.75}
.thumbs button.scene:hover img,.thumbs button.scene.on img{opacity:1}

/* --- 产品卡片：白底图不裁切，浅色板承托 --- */
.related .mc .pic,.pgrid .mc .pic{background:#fff}
.related .mc .pic img,.pgrid .mc .pic img{object-fit:contain;padding:7%;opacity:1}
.related .mc:hover .pic img{transform:none}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:1180px){.pgrid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.pgrid{grid-template-columns:1fr}}

/* 卡片里放实景图时：深底 + 裁切铺满，避免白框 */
.pgrid .mc .pic.scene,.related .mc .pic.scene{background:var(--night-2)}
.pgrid .mc .pic.scene img,.related .mc .pic.scene img{object-fit:cover}

/* 产品页主图（实景）：压一点亮度，四边向内收光，避免亮图硬贴在深色页面上 */
.gal .main.scene{position:relative}
.gal .main.scene img{filter:none}
.gal .main.scene::after{content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(245,241,232,.06), inset 0 0 46px 12px rgba(10,14,17,.55)}
.gal .main{position:relative}


/* --- 产品卡片：夜图铺满、绝不裁切 --- */
.pgrid .mc .pic,.related .mc .pic,.mc .pic{background:#0B1014}
.mc .pic img{object-fit:contain;object-position:center}
.pgrid .mc .pic.scene,.pgrid .mc .pic.night,.mc .pic.scene,.mc .pic.night{background:#0B1014}
.mc .pic.scene img,.mc .pic.night img{object-fit:contain}
.gal .main.night{background:#0B1014}
.gal .main.night img{object-fit:contain;filter:none}


/* --- 产品页右侧：Key points --- */
.keypts{margin-top:22px;border-top:1px solid var(--warm-18);padding-top:16px}
.kp-h{display:block;font-family:"IBM Plex Mono",monospace;font-size:10px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--warm-45)}
.keypts ul{list-style:none;margin:14px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px 22px}
.keypts li{display:flex;gap:10px;align-items:flex-start}
.keypts svg{width:19px;height:19px;flex:none;margin-top:2px;fill:none;stroke:var(--glow);
  stroke-width:1.25;stroke-linecap:round;stroke-linejoin:round;opacity:.85}
.keypts b{display:block;font-weight:400;font-size:13px;color:var(--warm);line-height:1.25}
.keypts em{display:block;font-style:normal;font-size:11.5px;line-height:1.45;
  color:rgba(245,241,232,.52);margin-top:3px}
.kp-strip{margin-top:16px;padding-top:13px;border-top:1px solid var(--warm-18);
  font-size:11px;letter-spacing:.02em;color:rgba(255,217,160,.72);line-height:1.5}
@media(max-width:900px){.keypts ul{grid-template-columns:1fr}}

@media(max-width:900px){.pinfo .mini{grid-template-columns:1fr}}

.thumbs button.night{background:#0B1014}
.thumbs button.night img{object-fit:contain;padding:0;opacity:.75}
.thumbs button.night:hover img,.thumbs button.night.on img{opacity:1}


/* --- 表单：必填标记 / 下拉箭头 / 选项配色 --- */
form label i{font-style:normal;color:var(--glow);margin-left:2px}
form label i.opt{color:rgba(245,241,232,.34);letter-spacing:.1em;font-size:9.5px;margin-left:6px;text-transform:uppercase}
form select{
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%23F5F1E8' stroke-opacity='.55' stroke-width='1.4' stroke-linecap='round' stroke-linejoin='round'/></svg>");
  background-repeat:no-repeat;background-position:right 14px center;background-size:11px 8px;
  padding-right:40px}
form select option,
form select optgroup{background:#101820;color:#F5F1E8}
form select option:checked{background:#1B2530;color:#FFF6E2}
form textarea{min-height:150px}
form input[list]{cursor:text}

/* --- 应用场景改成 6 格 + 真图 --- */
.apps{grid-template-columns:repeat(3,1fr)}
.apps-more{margin-top:22px;font-size:12px;letter-spacing:.06em;text-transform:uppercase}
.apps-more a{color:rgba(245,241,232,.62);border-bottom:1px solid rgba(245,241,232,.18);padding-bottom:3px}
.apps-more a:hover{color:var(--glow);border-color:var(--glow)}
.app:hover img{opacity:.9;transform:scale(1.03)}

/* --- 待发运大图 --- */
.yardfig{margin-top:34px}
.yardfig img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 44%;
  display:block;border:1px solid rgba(245,241,232,.06);
  filter:brightness(.86) saturate(.94) contrast(1.04)}
.yardfig figcaption{margin-top:10px;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(245,241,232,.34)}
@media(max-width:900px){
  .apps{grid-template-columns:repeat(2,1fr)}
  .yardfig img{aspect-ratio:4/3}
}

.go-all{color:rgba(245,241,232,.66);border-bottom:1px solid rgba(245,241,232,.20);padding-bottom:3px}
.go-all:hover{color:var(--glow);border-color:var(--glow)}

/* --- 现货库存三图 --- */
.stockgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.stockgrid figure{margin:0}
.stockgrid img{width:100%;aspect-ratio:3/2;object-fit:cover;display:block;
  border:1px solid rgba(245,241,232,.06);
  filter:brightness(.90) saturate(.94) contrast(1.04)}
.stockgrid figcaption{margin-top:10px;font-size:10.5px;letter-spacing:.16em;
  text-transform:uppercase;color:rgba(245,241,232,.34)}
.stocknote{margin-top:30px;font-size:13px;line-height:1.75;color:var(--warm-38);max-width:62ch}
@media(max-width:900px){
  .stockgrid{grid-template-columns:1fr;gap:22px}
}

/* ---------- 询盘弹窗（quote-modal.js 注入） ---------- */
.qm{position:fixed;inset:0;z-index:120;display:flex;align-items:center;justify-content:center;
  padding:clamp(14px,4vw,52px)}
.qm[hidden]{display:none}
.qm-veil{position:absolute;inset:0;background:rgba(4,7,9,.80);backdrop-filter:blur(4px)}
.qm-panel{position:relative;width:min(760px,100%);max-height:calc(100vh - 40px);overflow:auto;
  background:#0D1216;border:1px solid rgba(245,241,232,.14);border-radius:3px;
  padding:clamp(24px,3.4vw,42px) clamp(20px,3.4vw,44px) clamp(26px,3.4vw,40px);
  box-shadow:0 40px 120px rgba(0,0,0,.66)}
.qm-panel h2{font-family:var(--display);font-weight:500;font-size:clamp(28px,3.2vw,42px);letter-spacing:-.015em;
  line-height:1.06;letter-spacing:-.03em;color:var(--warm);margin:12px 0 0}
.qm-panel h2 b{font-weight:600}
.qm-lead{margin:14px 0 26px;font-size:13.5px;line-height:1.62;color:rgba(245,241,232,.60);max-width:56ch}
.qm-x{position:absolute;top:12px;right:14px;width:36px;height:36px;border:0;background:none;
  color:rgba(245,241,232,.42);font-size:24px;line-height:1;cursor:pointer;transition:color .15s}
.qm-x:hover{color:var(--warm)}
.qm-x:focus{outline:none}
.qm-x:focus-visible{outline:1px solid rgba(255,217,160,.5);outline-offset:2px}
.qm-done{margin:4px 0 0;font-size:13.5px;line-height:1.6;color:var(--glow)}
@media(max-width:640px){
  .qm-panel{max-height:calc(100vh - 20px)}
  .qm-panel .row{grid-template-columns:1fr}
}


/* --- 产品总览页：紧凑页头，让首排卡片尽早出现 --- */
.pg-head{padding-top:34px;padding-bottom:0}
.pg-head h1{font-family:var(--display);font-weight:200;line-height:1.08;
  font-size:clamp(30px,3.3vw,46px);letter-spacing:-.022em;margin-top:12px}
.pg-head h1 b{font-weight:600}
.pg-head p{margin-top:14px;max-width:60ch;font-size:14.5px;line-height:1.62;
  color:rgba(245,241,232,.58)}
.pg-head + #fuel{padding-top:clamp(26px,3vw,40px)!important}
#fuel .sec-hd h2,#solar .sec-hd h2{font-size:clamp(26px,3vw,40px)}
#fuel .sec-hd,#solar .sec-hd{margin-bottom:clamp(24px,2.6vw,34px)}

/* ============================================================
   移动端导航（≤1080px）：汉堡 + 全屏抽屉；≤900px：底部双按钮条
   ============================================================ */
.burger{
  display:none;position:relative;z-index:120;width:46px;height:46px;
  margin-left:6px;padding:0;border:0;background:none;cursor:pointer;
  color:#F5F1E8;flex:0 0 auto;
}
.burger span{
  display:block;width:22px;height:1.6px;margin:5px auto;background:currentColor;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),opacity .2s;
}
body.mnav-open .burger span:nth-child(1){transform:translateY(6.6px) rotate(45deg)}
body.mnav-open .burger span:nth-child(2){opacity:0}
body.mnav-open .burger span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg)}

.mnav{
  position:fixed;inset:0;z-index:110;display:flex;flex-direction:column;
  justify-content:center;gap:2px;padding:96px var(--gut) 40px;
  background:#070A0C;opacity:0;visibility:hidden;
  transform:translateY(-8px);transition:opacity .3s,transform .3s,visibility .3s;
}
body.mnav-open .mnav{opacity:1;visibility:visible;transform:none}
body.mnav-open{overflow:hidden}
/* 抽屉打开时把页头抬到抽屉之上，汉堡变成关闭按钮 */
body.mnav-open header{z-index:130;background:transparent;border-bottom-color:transparent;backdrop-filter:none}
.mnav a.ml{
  display:block;padding:16px 0;border-bottom:1px solid rgba(245,241,232,.09);
  font-size:clamp(22px,6vw,30px);font-weight:200;letter-spacing:-.01em;
  color:rgba(245,241,232,.72);text-decoration:none;
}
.mnav a.ml.on{color:#F5F1E8}
.mnav a.ml .idx{
  display:inline-block;width:34px;font-size:11px;letter-spacing:.14em;
  color:rgba(255,217,160,.6);transform:translateY(-6px);
}
.mnav .mfoot{margin-top:34px;display:flex;flex-direction:column;gap:14px}
.mnav .mfoot .tel{font-size:18px;color:#F5F1E8;text-decoration:none}
.mnav .mfoot .btn{width:100%;justify-content:center}

/* 底部双按钮条 */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:100;
  grid-template-columns:1fr 1fr;gap:1px;background:rgba(245,241,232,.14);
  border-top:1px solid rgba(245,241,232,.14);
  padding-bottom:env(safe-area-inset-bottom);
}
.mbar a{
  display:flex;align-items:center;justify-content:center;gap:9px;
  height:56px;font-size:15px;font-weight:500;text-decoration:none;
  background:#0A0E11;color:#F5F1E8;
}
.mbar a.wa{background:#1F7A4D;color:#fff}
.mbar a.buy{background:#D4551F;color:#fff}
.mbar svg{width:19px;height:19px;fill:currentColor}

@media (max-width:1080px){
  header .wrap.hd nav{display:none}
  header .wrap.hd .tel{display:none}
  .burger{display:block}
  .mbar{display:grid}
  body{padding-bottom:56px}
  .rail{display:none}          /* 与底部条重复，收起 */
  .mnav{display:flex}
}
@media (min-width:1081px){
  .mnav{display:none}
}
@media (max-width:760px){
  header .wrap.hd .hd-social{display:none}
  header .wrap.hd .brand span{display:none}
  header .wrap.hd .btn.lit{display:none}   /* 底部条已有 */
  header .wrap.hd{padding-top:14px;padding-bottom:14px}
}
@media (max-width:420px){
  header .wrap.hd .brand img{height:26px}
}

/* ============ 手机端收尾（阶段 3） ============ */
@media (max-width:900px){
  .hero{min-height:clamp(430px,74svh,640px)}
  .hero-ui .in{padding-top:13px;padding-bottom:15px;gap:14px}
  .dots button{margin-right:16px;gap:7px;padding:9px 0;font-size:9px;letter-spacing:.13em}
  .dots button .bar{width:26px}
  .count{font-size:10.5px}
}
@media (max-width:760px){
}
@media (max-width:640px){
  .spec2 div{grid-template-columns:1fr;gap:3px;padding:12px 0}
  .spec2 dt{font-size:11.5px;letter-spacing:.06em}
  .fittab th:first-child,.fittab td:first-child{width:auto}
  .fittab th:nth-child(2),.fittab td:nth-child(2){width:auto}
  .fittab td,.fittab th{padding-right:12px}
}
@media (max-width:560px){
  .dots{width:100%;justify-content:space-between}
  .dots button{margin-right:0}
  .count{display:none}
  .gal,.gal .main,.gal .thumbs,.pdp .wrap.two>*,.pinfo{min-width:0}
  .gal .thumbs{
    display:flex;flex-wrap:nowrap;overflow-x:auto;gap:8px;
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;padding-bottom:4px;
  }
  .gal .thumbs button{flex:0 0 84px;scroll-snap-align:start}
}


/* ---------- mobile typography floor: no label below 11px ---------- */
@media(max-width:760px){
  .dots button{font-size:11px}
  .mc .pic .flag{font-size:11px;letter-spacing:.14em}
  .mc .go{font-size:11px;letter-spacing:.12em}
  .step .n{font-size:11px}
  .keyfacts small{font-size:11px;letter-spacing:.10em}
  .legal .cc{font-size:11px}
  form label{font-size:11.5px;letter-spacing:.13em}
  form label i.opt{font-size:11px}
  .news .d{font-size:11px}
  .cc .lab{font-size:11px}
  .step .n,.site-list li i{font-size:11px}
  .proof figcaption,.op-fig figcaption,.wide-band figcaption,.visit figure figcaption{font-size:11px}
  .vtour .cap{font-size:11px}
  .fittab th{font-size:11px}
  .feats .n{font-size:11px}
  .credits b{font-size:11px}
  .brand span,.site-list>b{font-size:11px}
  .facts b,.facts span{font-size:11px}
  .meta .pill{font-size:11px}
  .cfacts small{font-size:11px}
  .kp-h{font-size:11px}
  figcaption,.stockgrid figcaption,.yardfig figcaption{font-size:11px}
}

/* ---------- phone: reclaim the dead band above the hero shot ---------- */
@media(max-width:560px){
  .hero{padding-top:96px}
  .shot{margin-top:0}
  .legal .rk a{padding:11px 0}
  .crumbs a,.crumbs span{padding:5px 0}
}


/* ---------- back to top ---------- */
.totop{position:fixed;right:16px;bottom:20px;z-index:90;width:44px;height:44px;
  display:grid;place-items:center;cursor:pointer;padding:0;
  border:1px solid rgba(245,241,232,.26);border-radius:50%;
  background:rgba(12,17,21,.82);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  color:var(--warm-60);opacity:0;visibility:hidden;transform:translateY(10px);
  box-shadow:0 6px 20px rgba(0,0,0,.35);
  transition:opacity .25s,transform .25s,visibility .25s,color .25s,border-color .25s,background .25s}
.totop.on{opacity:.74;visibility:visible;transform:none}
.totop:hover,.totop:focus-visible{opacity:1;color:var(--glow);border-color:var(--glow);
  background:rgba(12,17,21,.94)}
.totop:active{transform:translateY(1px)}
.totop svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round}
@media(max-width:1080px){
  .totop{right:12px;bottom:72px;width:44px;height:44px}
  .totop.on{opacity:.92}
  .totop svg{width:18px;height:18px}
}
@media(prefers-reduced-motion:reduce){
  .totop{transition:none}
}

/* --- 1181-1330px：页头元素太多会互相挤压（电话与 CTA 折行），此处先收副标与社媒 --- */
@media(max-width:1330px){
  .brand span{display:none}
  .hd-social{display:none}
  nav{gap:22px}
  nav a{font-size:13px}
}

/* --- 表单真实提交后的状态 --- */
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;opacity:0;pointer-events:none}
.sent{display:block;margin-top:10px;font-size:12.5px;letter-spacing:.02em;color:var(--glow)}
.sent.err{color:#FF9C8A}
.sent a{color:inherit;text-decoration:underline}
.subsform .sent{margin-top:8px}