/* fonts.css 由 <head> 直接 link，省一次串行往返 */

/* ═════════════════ tokens ═════════════════ */
:root{
  --orange:#ff3600;
  --orange-dk:#d92c00;
  --ink:#16181a;
  --ink-2:#55595e;
  --ink-3:#868b90;
  --ink-4:#b9bdc1;
  --paper:#fff;
  --grey:#f4f4f3;
  --line:#e2e2e0;
  --dark:#262829;
  --dark-2:#313436;
  --dark-line:#3d4144;
  --label:#6b7075;        /* 小标题、kicker 的字色：橙色只留给按钮、悬停和小标题前的短线 */
  --max:1340px;
  --gut:clamp(18px,3.4vw,50px);
  --head:"Anton",Impact,"Arial Narrow",sans-serif;
  --sub:"Barlow Condensed","Arial Narrow",Arial,sans-serif;
  --disp:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  --text:"Barlow",system-ui,-apple-system,"Segoe UI",sans-serif;
  --logo:"Archivo","Helvetica Neue",Arial,sans-serif;
  --notch:14px;
}

*,*::before,*::after{box-sizing:border-box}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;scroll-behavior:auto!important}}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--text);
  font-size:17px;line-height:1.65;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1{font-family:var(--head);margin:0;font-weight:400;line-height:.96;
  letter-spacing:-.005em}
h2,h3,h4{font-family:var(--sub);margin:0;font-weight:700;line-height:1.04;
  letter-spacing:-.005em}
h1{font-size:clamp(2.4rem,4.6vw,4.05rem)}
h2{font-size:clamp(1.95rem,3.1vw,2.8rem)}
h3{font-size:clamp(1.35rem,2vw,1.78rem)}
h4{font-size:1.28rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
.mt{margin-top:2.6rem}
.hl{color:inherit}

.eyebrow{display:flex;align-items:center;gap:12px;font-family:var(--disp);font-weight:700;
  font-size:.88rem;letter-spacing:.15em;text-transform:uppercase;color:var(--label);margin:0 0 1rem}
.eyebrow::before{content:"";width:28px;height:3px;background:var(--orange);flex:0 0 auto}
.eyebrow--c{justify-content:center}
.eyebrow--light{color:#d9dcdf}
.lede{font-size:1.06rem;line-height:1.62;color:var(--ink-2);max-width:66ch}
.bg-dark .lede{color:#b7bbbe}
.muted{color:var(--ink-3)}
.note{font-size:.94rem;color:var(--ink-3)}

/* ═════════════════ 按钮 ═════════════════ */
.btn{display:inline-block;font-family:var(--disp);font-weight:700;text-transform:uppercase;
  letter-spacing:.02em;font-size:1rem;padding:1rem 2.1rem;cursor:pointer;border:0;
  clip-path:polygon(var(--notch) 0,100% 0,100% calc(100% - var(--notch)),
    calc(100% - var(--notch)) 100%,0 100%,0 var(--notch));
  transition:background .15s ease,color .15s ease}
.btn--primary{background:var(--orange);color:#fff}
.btn--primary:hover{background:var(--orange-dk)}
.btn--outline{background:#fff;color:var(--orange);box-shadow:inset 0 0 0 2px var(--orange)}
.btn--outline:hover{background:var(--orange);color:#fff}
.btn--light{background:#fff;color:var(--orange)}
.btn--light:hover{background:var(--ink);color:#fff}
.btn--sm{font-size:.9rem;padding:.7rem 1.35rem;--notch:10px}
.btn--mt{margin-top:1.8rem}
.btnrow{display:flex;gap:1rem;flex-wrap:wrap}
.tlink{font-family:var(--disp);font-weight:700;font-size:1.02rem;color:var(--ink);
  display:inline-flex;align-items:center;gap:.35em}
.tlink::after{content:"\203A";font-size:1.3em;line-height:0}
.tlink:hover{color:var(--orange)}
.bg-dark .tlink{color:#fff}
.bg-dark .tlink:hover{color:#ff8a5c}

/* 参数占位 */
.skel{display:inline-block;height:9px;border-radius:5px;background:var(--line);
  vertical-align:middle}
.bg-dark .skel{background:#41454a}
.tbc{display:inline-block;font-family:var(--disp);font-size:.78rem;font-weight:700;
  letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);
  border:1px solid var(--line);padding:.28rem .6rem;white-space:nowrap}

/* ═════════════════ 页头（10-14 画布 A：照 Cat 分两层，整块纯黑）═════════════════
   上层 .hd：logo＋询价/WhatsApp/电话；一道细灰线；下层 .masthead：导航靠左＋All Models/语言。
   宽屏跟着滚的是下层导航；≤900 导航收进汉堡，上层只剩 logo＋汉堡（改成它跟着滚），五个入口挪到下层 */
.hd{background:#000;color:#fff;border-bottom:1px solid var(--dark-line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:50px}
.hd__links,.mh__links{display:flex;align-items:center;gap:36px}
.lk{display:inline-flex;align-items:center;gap:8px;font-family:var(--disp);font-weight:600;
  font-size:15px;line-height:1;color:#fff;white-space:nowrap;transition:color .15s}
a.lk:hover{color:var(--orange)}
.lk svg{width:18px;height:18px;flex:0 0 auto}
.lk svg.ic-fill{fill:currentColor;stroke:none}
.lk--m{display:none}
/* 上层（logo 那行）的入口照 Cat：白色实心图标、字大一号加粗；下层 All Models/语言仍 15px */
.hd .lk{font-weight:700;font-size:17px;gap:9px}
.hd .lk svg{width:20px;height:20px}

/* ═════════════════ logo ═════════════════ */
.brand{display:inline-flex;align-items:center;gap:8px;flex:0 0 auto}
.brand__mark{width:auto;height:26px;display:block}
.brand__name{font-family:var(--logo);font-style:normal;font-weight:700;font-size:17px;
  line-height:1;letter-spacing:.01em;text-transform:uppercase;white-space:nowrap;
  transform:translateY(2px);
  background:linear-gradient(178deg,#ffffff 0%,#e2e5e8 14%,#a7adb3 38%,#f6f8f9 50%,
    #7f858c 66%,#d3d7db 86%,#ffffff 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 1px 0 rgba(0,0,0,.42)) drop-shadow(0 0 1px rgba(0,0,0,.3))}
.brand--dark .brand__name,.hd .brand__name{filter:drop-shadow(0 1px 2px rgba(0,0,0,.7))}
.hd .brand{gap:11px}
.hd .brand__mark{height:40px}
.hd .brand__name{font-size:26px}

/* ═════════════════ 导航行（黑，宽屏跟着滚）═════════════════ */
.masthead{position:sticky;top:0;z-index:60;background:#000}
.masthead .wrap{display:flex;align-items:center;justify-content:space-between;
  min-height:36px;position:relative;gap:32px}
.nav{display:flex;gap:32px;align-items:center;list-style:none;margin:0;padding:0}
.nav>li{position:static}
.nav__top{display:inline-flex;align-items:center;gap:6px;font-family:var(--disp);
  font-weight:600;font-size:15px;line-height:1;padding:10px 0;border:0;background:none;
  cursor:pointer;color:#fff;transition:color .15s}
.nav>li:hover .nav__top,.nav>li:focus-within .nav__top,
.nav__top.is-current{color:var(--orange)}
.nav__top svg{width:16px;height:16px;flex:0 0 auto;transition:.2s}
.nav>li:hover .nav__top svg,
.nav__top[aria-expanded="true"] svg{transform:rotate(180deg)}

.mega{position:absolute;left:calc(var(--gut)*-1);right:calc(var(--gut)*-1);top:100%;
  background:#fff;box-shadow:0 22px 34px -22px rgba(0,0,0,.35);opacity:0;visibility:hidden;
  transform:translateY(-6px);transition:.15s ease}
/* 键盘靠 aria-expanded 开合，不用 :focus-within：Esc 时焦点要还给按钮，focus-within 会让菜单关不掉 */
.nav>li:hover .mega,
.nav__top[aria-expanded="true"]+.mega{opacity:1;visibility:visible;transform:none}
.mega__inner{max-width:var(--max);margin:0 auto;padding-inline:var(--gut)}
.mega__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:2.4rem;
  padding:2.4rem 0 2.6rem;text-align:left}
.mega h4{margin:0 0 .85rem;padding-bottom:.55rem;border-bottom:3px solid var(--ink);
  font-size:1.1rem}
.mega ul{margin:0;padding:0;list-style:none;display:grid;gap:.55rem}
.mega a{font-size:1rem;color:var(--ink-2)}
.mega a:hover{color:var(--orange)}
.mega__all{grid-column:1/-1;border-top:1px solid var(--line);padding-top:1.2rem;
  display:flex;gap:1.8rem;flex-wrap:wrap}
.burger{display:none;background:none;border:0;padding:.5rem;margin-right:-8px;cursor:pointer}
.burger span{display:block;width:24px;height:2.5px;background:#fff;margin:4px 0}

/* ═════════════════ Hero ═════════════════ */
.hero{background:var(--dark);color:#fff}
.hero__media{position:relative;min-height:clamp(440px,70vh,760px);display:flex;
  align-items:flex-end;justify-content:center;overflow:hidden}
.hero__ph{position:absolute;inset:0}
.hero__ph .pic,.hero__ph .pic img,.hero__ph .ph{height:100%;aspect-ratio:auto}
.hero__media::after{content:"";position:absolute;inset:0;
  background:linear-gradient(0deg,rgba(14,15,16,.92) 2%,rgba(14,15,16,.05) 58%)}
.hero__title{position:relative;z-index:2;text-align:center;padding:0 var(--gut) 2.6rem;
  max-width:1100px}
.hero__title h1{font-size:clamp(2.4rem,4.65vw,4.2rem);text-transform:uppercase;
  text-shadow:0 2px 22px rgba(0,0,0,.5)}
.hero__band{background:#000;text-align:center;padding:1.6rem var(--gut) 2.4rem}
.hero__band p{font-family:var(--disp);font-weight:400;color:#c9cdd1;
  font-size:clamp(1.05rem,1.5vw,1.2rem);line-height:1.6;margin:0 auto 1.8rem;max-width:60ch}
.hero__band .btnrow{justify-content:center}
/* 首页满幅大图（10-14 画布 C，像 Muse）：图从屏幕最顶上铺到最底下，页头透明盖在上面，一滚动变回纯黑。
   --hdr＝两层页头总高（上层 50＋1px 线＋下层 36），大图往上拉这么多钻到页头底下；≤900 另算 */
:root{--hdr:87px}
.hd--over,.masthead--over{background:transparent;transition:background-color .2s}
.hd--over{position:relative;z-index:61;border-bottom-color:rgba(255,255,255,.2)}
.hd--over.is-solid,.masthead--over.is-solid{background:#000}
.hero--full .hero__media{min-height:max(560px,100vh);min-height:max(560px,100svh);
  margin-top:calc(var(--hdr)*-1)}
.hero--full .hero__ph img{object-position:50% 55%}
.hero--full .hero__media::after{background:linear-gradient(180deg,rgba(0,0,0,.66) 0%,
  rgba(0,0,0,.18) 22%,rgba(0,0,0,0) 42%,rgba(0,0,0,.74) 100%)}
.hero--full .hero__title{padding-bottom:clamp(2.6rem,8vh,4.5rem)}
/* 两个按钮等宽、以页面中线左右对称（10-14 他要的）；≤640 上下叠放，仍等宽居中 */
.hero--full .btnrow{display:grid;grid-template-columns:1fr 1fr;width:fit-content;margin-inline:auto}
.hero__lead{font-family:var(--disp);font-weight:400;color:#e8eaec;
  font-size:clamp(1.05rem,1.4vw,1.2rem);line-height:1.55;margin:1rem auto 1.7rem;max-width:60ch}

/* 内页页头 */
.phead{position:relative;min-height:230px;display:flex;align-items:flex-end;
  background:var(--dark);overflow:hidden}
.phead .pic,.phead .ph{position:absolute;inset:0;height:100%;aspect-ratio:auto;opacity:.5}
.phead .pic img{height:100%}
.phead::after{content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(15,16,17,.94) 10%,rgba(15,16,17,.4) 72%)}
.phead .wrap{position:relative;z-index:2;width:100%;padding-block:2.4rem 2.2rem;color:#fff}
.phead h1{text-transform:uppercase;max-width:22ch;font-size:clamp(2.1rem,3.7vw,3.2rem)}
.phead__lede{margin:1rem 0 0;max-width:64ch;color:#c7cbce;font-size:1.04rem}
.crumbs{font-size:.88rem;color:#b3b7bb;margin-bottom:.9rem;display:flex;gap:.45rem;flex-wrap:wrap}
.crumbs a:hover{color:#fff}
.crumbs b{color:#fff;font-weight:600}
.crumbs span{opacity:.45}
.crumbbar{background:var(--grey);border-bottom:1px solid var(--line);padding-block:1.15rem}
.crumbbar .crumbs{margin:0;color:var(--ink-3)}
.crumbbar .crumbs a:hover{color:var(--orange)}
.crumbbar .crumbs b{color:var(--ink)}

/* ═════════════════ 区块 ═════════════════ */
section{padding-block:clamp(3rem,5.4vw,5.5rem)}
section.tight{padding-block:clamp(2.1rem,3.4vw,3.4rem)}
.bg-grey{background:var(--grey)}
.bg-dark{background:var(--dark);color:#fff}
.bg-dark h2,.bg-dark h3,.bg-dark h4{color:#fff}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:2rem;
  margin-bottom:2.7rem;flex-wrap:wrap}
.sec-head p{margin:.85rem 0 0}
.sec-head--c{flex-direction:column;align-items:center;text-align:center}
.sec-head--c .lede{margin-inline:auto}
.seemore{margin-top:2.2rem;text-align:center}

/* ═════════════════ 卡片基座 ═════════════════ */
.card{background:#fff;box-shadow:0 0 0 1px var(--line);display:flex;flex-direction:column;
  transition:box-shadow .18s ease,transform .18s ease}
.card:hover{box-shadow:0 0 0 1px var(--line),0 16px 30px -20px rgba(0,0,0,.45);
  transform:translateY(-2px)}
.card__img{overflow:hidden;background:var(--grey);display:block}
.card__b{padding:1.5rem 1.6rem 1.7rem;display:flex;flex-direction:column;flex:1}
.card h3{font-size:1.5rem}
.card .sub{font-family:var(--disp);font-weight:700;font-size:.8rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--label);margin:0 0 .45rem}
.card .tlink{margin-top:auto;padding-top:1.15rem;align-self:flex-start}
.card:hover .tlink,.promo:hover .tlink{color:var(--orange)}

/* ── 产品卡片（版式 B：主数据 + 次要参数 + 排放合规标）── */
.pcard__head{display:flex;align-items:flex-end;justify-content:space-between;gap:.7rem;
  padding:0 0 .85rem;border-bottom:2px solid var(--ink)}
.pcard__head h3{font-family:var(--head);font-weight:400;font-size:1.85rem;line-height:.94;
  text-transform:uppercase;letter-spacing:-.005em}
.pcard__fig{text-align:right;flex:0 0 auto}
.pcard__fig b{display:block;font-family:var(--head);font-weight:400;font-size:1.55rem;
  line-height:.94;color:var(--ink);font-variant-numeric:tabular-nums}
.pcard__fig span{display:block;font-family:var(--disp);font-weight:600;font-size:.63rem;
  letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);margin-top:3px}
.pcard__specs{display:flex;flex-direction:column;gap:.62rem;padding:.9rem 0 0}
.pcard__meta{display:flex;align-items:baseline;gap:.5rem}
.pcard__meta span{font-family:var(--disp);font-weight:600;font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3)}
.pcard__meta b{font-family:var(--sub);font-weight:700;font-size:1.16rem;line-height:1;
  font-variant-numeric:tabular-nums}
.pcard__chip{display:inline-flex;align-self:flex-start;align-items:center;gap:7px;
  border:1px solid var(--line);padding:5px 10px 5px 8px;color:var(--ink)}
.pcard__chip svg{flex:0 0 auto}
.pcard__chip span{font-family:var(--disp);font-weight:600;font-size:.74rem;color:var(--ink-2)}
.specs{margin-top:1rem}
.specrow{display:flex;justify-content:space-between;align-items:center;
  font-size:.9rem;padding:.55rem 0;border-top:1px solid var(--line)}
.specrow span:first-child{color:var(--ink-3)}

.fcard__tag{margin:.5rem 0 0;color:var(--ink);font-weight:600;font-size:.95rem}
.fcard__body{margin:.7rem 0 0;font-size:.97rem;color:var(--label)}

/* 网格 */
.fgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.6rem}
.fgrid--3{grid-template-columns:repeat(3,1fr)}
.pgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(285px,1fr));gap:1.6rem}
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.listgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.4rem}
.promos{display:grid;grid-template-columns:repeat(3,1fr);gap:2.2rem}
.indgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
.quicklinks{display:grid;grid-template-columns:repeat(5,1fr);gap:1.15rem}

/* 分档卡 */
.tier__models{margin-top:auto;border-top:1px solid var(--line);padding-top:1.1rem;
  font-size:.96rem}
.tier__models b{display:block;font-family:var(--disp);font-weight:700;text-transform:uppercase;
  letter-spacing:.11em;font-size:.8rem;color:var(--ink-3);margin-bottom:.5rem}
.tier__models a{color:var(--ink);font-weight:600}
.tier__models a:hover{color:var(--orange)}

/* 全部型号列表卡 */
.listcard{background:#fff;box-shadow:0 0 0 1px var(--line);padding:1.5rem 1.7rem 1.7rem}
.listcard h3{font-size:1.45rem}
.listcard p{margin:.6rem 0 0;font-size:.97rem;color:var(--ink-2)}
.modellist{display:flex;flex-wrap:wrap;gap:.15rem .6rem;font-size:.96rem}
.modellist a{color:var(--ink);font-weight:600}
.modellist a:hover{color:var(--orange)}

/* 促销：图 + 文，无框 */
.promo{display:flex;flex-direction:column}
.promo__ph{margin-bottom:1.4rem;overflow:hidden;background:var(--grey)}
.promo__ph .pic img{transition:transform .45s cubic-bezier(.2,.7,.3,1)}
.promo:hover .pic img{transform:scale(1.045)}
.promo .kicker{font-family:var(--disp);font-weight:700;font-size:.94rem;letter-spacing:.13em;
  text-transform:uppercase;color:var(--label);margin:0 0 .45rem}
.promo h3{font-size:clamp(1.5rem,2.1vw,1.95rem)}
.promo p{margin:.8rem 0 1.2rem;font-size:1rem;color:var(--ink-2)}
.promo .tlink{margin-top:auto}

/* 快捷入口：一条白色快捷栏（10-08 画布 A，原来是五个大方块） */
section.qlsec{padding-block:2rem}
.quicklinks{gap:0;background:#fff;box-shadow:0 0 0 1px var(--line)}
.ql{min-height:84px;display:flex;align-items:center;gap:14px;padding:0 26px;
  border-left:1px solid var(--line);transition:background .16s}
.ql:first-child{border-left:0}
.ql:hover{background:#fafaf9}
.ql svg{width:24px;height:24px;flex:0 0 auto;fill:none;stroke:var(--ink);stroke-width:1.8;
  stroke-linecap:round;stroke-linejoin:round;transition:stroke .16s}
.ql:hover svg{stroke:var(--orange)}
.ql span{font-family:var(--disp);font-weight:700;font-size:1rem;line-height:1.25}

/* 深色行业卡 */
.indcard{background:var(--dark-2);box-shadow:0 0 0 1px var(--dark-line);
  padding:1.7rem 1.8rem 1.9rem;display:flex;flex-direction:column;transition:.16s}
.indcard:hover{background:#383c3e}
.indcard h3{font-size:1.4rem;color:#fff}
.indcard p{margin:.8rem 0 1.3rem;font-size:.97rem;color:#b7bbbe}
.indcard .tlink{margin-top:auto}
.indcard:hover .tlink{color:#ff8a5c}

/* ═════════════════ 规格表 ═════════════════ */
.tablewrap{overflow-x:auto;background:#fff;box-shadow:0 0 0 1px var(--line)}
.spectable{width:100%;border-collapse:collapse;font-size:1rem}
.spectable th,.spectable td{text-align:left;padding:.95rem 1.4rem}
.spectable tr:nth-child(even) th,.spectable tr:nth-child(even) td{background:#fafafa}
.spectable th{width:46%;font-weight:600;color:var(--ink-2)}
.spectable td{font-variant-numeric:tabular-nums}
.spectable .specgrp th{width:auto;background:var(--ink);color:#fff;font-family:var(--disp);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.13em;padding:.7rem 1.4rem}
.spectable tr.specgrp:nth-child(even) th{background:var(--ink)}

/* ═════════════════ 型号详情 ═════════════════ */
.mlayout{display:grid;grid-template-columns:1.08fr .92fr;gap:clamp(1.8rem,4vw,3.6rem);
  align-items:start}
.gallery__main{box-shadow:0 0 0 1px var(--line);background:var(--grey)}
.modeltitle{font-size:clamp(2.4rem,4.5vw,3.7rem);text-transform:uppercase}
.keyspecs{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);
  box-shadow:0 0 0 1px var(--line);margin:1.9rem 0}
.keyspecs div{background:#fff;padding:1.15rem 1.3rem}
.keyspecs dt{font-family:var(--disp);font-weight:700;font-size:.8rem;text-transform:uppercase;
  letter-spacing:.12em;color:var(--ink-3);margin:0}
.keyspecs dd{margin:.75rem 0 0}
.quotebox{border-left:5px solid var(--ink);background:var(--grey);padding:1.4rem 1.6rem;
  margin-top:1.7rem}
.quotebox h4{font-size:1.08rem;text-transform:uppercase;letter-spacing:.02em}
.quotebox p{margin:.6rem 0 0;font-size:.97rem;color:var(--ink-2)}

/* ═════════════════ 左右分栏 ═════════════════ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,4rem);
  align-items:center}
.split--text{align-items:start;grid-template-columns:1.35fr .65fr}
.whygrid{display:block}
.whygrid>div:first-child .lede{max-width:74ch}
.advs{display:grid;grid-template-columns:repeat(4,1fr);gap:2.2rem 2.6rem;margin-top:3.2rem}
.advs--4{grid-template-columns:repeat(4,1fr)}
.adv{border-top:4px solid var(--ink);padding-top:1.15rem}
.adv h4{font-size:1.15rem;margin-bottom:.5rem}
.adv p{font-size:.97rem;color:var(--ink-2);margin:0}
.prose{max-width:72ch}

/* ═════════════════ 联系页 ═════════════════ */
.contactgrid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(2rem,5vw,4rem);
  align-items:start}
.form{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem;margin-top:2.2rem}
.field{display:flex;flex-direction:column;gap:.4rem}
.field.wide{grid-column:1/-1}
.field label{font-family:var(--disp);font-weight:700;text-transform:uppercase;
  letter-spacing:.09em;font-size:.82rem;color:var(--ink-2)}
.field input,.field select,.field textarea{font:inherit;font-size:1rem;padding:.85rem .95rem;
  border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:0}
.field input:focus,.field select:focus,.field textarea:focus{outline:0;
  border-color:var(--orange);box-shadow:0 0 0 2px rgba(255,54,0,.15)}
.field textarea{min-height:150px;resize:vertical}
.submitrow{flex-direction:row;align-items:center;gap:1.4rem;flex-wrap:wrap}
.contactcard{background:var(--dark);color:#fff;padding:2.4rem 2.3rem 2.6rem}
.contactcard h3{color:#fff;font-size:1.6rem}
.contactcard .lab{font-family:var(--disp);font-weight:700;font-size:.8rem;
  letter-spacing:.13em;text-transform:uppercase;color:#9ea2a6;margin:1.7rem 0 .5rem}
.contactcard .lab.mt{margin-top:1.9rem}
.contactcard .big{font-size:1.3rem;font-weight:600;margin:0 0 .3rem}
.contactcard .orange{color:#fff}
.contactcard .orange:hover{color:#ff8a5c}
.contactcard .addr{color:#c9cdd0;font-size:1rem;margin:0}
/* 10-26 询价表单接上后台：防机器人的隐藏栏、出错提示、隐私一句话、提交后的"已收到" */
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.formerr{margin:0;color:#b42318;font-weight:600}
.formerr[hidden]{display:none}   /* .field 的 display:flex 会盖掉 hidden 属性 */
.formprivacy{margin:0;font-size:.86rem}
.submitrow .btn:disabled{opacity:.6;cursor:wait}
.sent{scroll-margin-top:calc(var(--hdr) + 24px)}
.sentlist{margin:2.2rem 0 0;padding:1.5rem 1.7rem;background:var(--grey);display:grid;
  grid-template-columns:minmax(0,190px) minmax(0,1fr);gap:.7rem 1rem}
.sentlist dt{font-family:var(--disp);font-weight:700;font-size:.82rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--label);align-self:center}
.sentlist dd{margin:0;color:var(--ink);overflow-wrap:anywhere}
.sent__more{margin-top:2rem}

/* ═════════════════ 页脚 ═════════════════ */
.foot{background:var(--dark);color:#fff;padding-block:4.8rem 2.4rem;font-size:1rem}
.foot__grid{display:grid;grid-template-columns:1.45fr repeat(4,1fr);gap:3.2rem 2.6rem;align-items:start}
.foot h4{font-family:var(--disp);color:#9ea2a6;margin-bottom:1.5rem;font-size:.79rem;
  letter-spacing:.16em;text-transform:uppercase;font-weight:700}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:1.05rem}
.foot li a{font-family:var(--disp);font-weight:700;text-transform:uppercase;font-size:.9rem;letter-spacing:.02em}
.foot a:hover{color:var(--orange)}
.foot .brand{transform:none}
.foot .brand__mark{height:52px}
.foot .brand__name{font-size:33px}
.foot__social{display:flex;align-items:center;gap:16px;margin-top:1.7rem}
.foot__social a,.foot__social span{display:inline-flex;color:#fff;line-height:0;
  transition:color .15s}
.foot__social svg{width:27px;height:27px;fill:currentColor;display:block}
.foot__social a:hover{color:var(--orange)}
.foot__contact{display:grid;gap:.6rem;margin-top:2rem;font-size:1rem}
.foot__contact a{font-weight:600}
.foot__addr{color:#9ea2a6}
.foot__bar{background:var(--dark);
  padding-block:1.8rem;font-size:.88rem;color:#8b9095}

/* ═════════════════ 图片 / 占位 ═════════════════ */
.pic{position:relative;overflow:hidden;background:var(--grey);width:100%}
.pic img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .45s cubic-bezier(.2,.7,.3,1)}
.card:hover .pic img{transform:scale(1.045)}
.ph{position:relative;width:100%;height:100%;min-height:90px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:.55rem;
  background:repeating-linear-gradient(135deg,#ececea 0 14px,#e4e4e1 14px 28px);
  color:#9ea3a8}
.ph svg{width:36px;height:auto;fill:none;stroke:currentColor;stroke-width:1.5;
  stroke-linejoin:round;opacity:.85}
.ph span{font-family:var(--disp);font-weight:700;text-transform:uppercase;
  letter-spacing:.1em;font-size:.68rem;text-align:center;padding-inline:.8rem;line-height:1.35}

/* ═════════════════ 响应式 ═════════════════ */
@media (max-width:1240px){
  .hd .wrap{min-height:50px}
  .hd .brand__mark{height:36px}
  .hd .brand__name{font-size:23px}
  .hd .lk{font-size:16px}
  .hd__links,.mh__links{gap:28px}
  .nav{gap:24px}
  .lk,.nav__top{font-size:14.5px}
  .ql{padding:0 18px;gap:12px}
  .advs,.advs--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1080px){
  .mega__grid{grid-template-columns:repeat(2,1fr)}
  .fgrid,.indgrid{grid-template-columns:repeat(2,1fr)}
  .fgrid--3{grid-template-columns:repeat(2,1fr)}
  .foot__grid{grid-template-columns:1fr 1fr 1fr}
  .hd__links,.mh__links{gap:22px}
  .nav{gap:20px}
  .lk,.nav__top{font-size:14px}
  .lk svg{width:16px;height:16px}
  .hd .lk{font-size:15px}
  .hd .lk svg{width:18px;height:18px}
  .ql{padding:0 14px;gap:10px}
}
@media (max-width:900px){
  .promos,.tiers,.listgrid{grid-template-columns:1fr}
  .mlayout,.split,.split--text,.contactgrid{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  /* 快捷栏窄屏改成竖排清单 */
  .quicklinks{grid-template-columns:1fr}
  .ql{min-height:56px;padding:0 18px;gap:14px;border-left:0;border-top:1px solid var(--line)}
  .ql:first-child{border-top:0}
  /* 导航收进汉堡：上层只剩 logo＋汉堡、改成它跟着滚（52px＋1px 线）；五个入口挪到下层 */
  .hd{position:sticky;top:0;z-index:61}
  :root{--hdr:89px}   /* 52＋1px 线＋36 */
  .hd .wrap{min-height:52px}
  .hd .brand__mark{height:38px}
  .hd .brand__name{font-size:24px}
  .hd__links{display:none}
  .burger{display:block}
  .masthead{position:static}
  .masthead--over{position:relative;z-index:60}   /* 首页：图往上拉进页头底下，不定位的话第二行会被图盖住 */
  .masthead .wrap{min-height:36px}
  .mh__links{flex:1 1 auto;gap:18px}
  .lk--m{display:inline-flex}
  .lk--tel{margin-left:auto}
  .lk{font-size:13.5px;gap:7px}
  .lk svg{width:16px;height:16px}
  .nav{display:none}
  /* 菜单挂在跟着滚的上层下面：页面滚到哪都从 53px 处展开 */
  .nav.open{display:flex;position:fixed;left:0;right:0;
    top:53px;background:#fff;flex-direction:column;align-items:stretch;gap:0;
    border-bottom:4px solid var(--ink);padding:.6rem var(--gut) 1.4rem;
    max-height:72vh;overflow:auto;z-index:70;box-shadow:0 18px 26px -18px rgba(0,0,0,.4)}
  .nav.open>li{border-bottom:1px solid var(--line)}
  .nav.open .nav__top{padding:1rem 0;width:100%;justify-content:space-between;color:var(--ink)}
  .nav.open>li:hover .nav__top,.nav.open>li:focus-within .nav__top,
  .nav.open .nav__top.is-current{color:var(--orange)}
  .nav.open .mega{position:static;opacity:1;visibility:visible;transform:none;
    box-shadow:none;display:none}
  .nav.open li.open .mega{display:block}
  .nav.open .mega__inner{padding-inline:0}
  .nav.open .mega__grid{grid-template-columns:1fr;padding:0 0 1rem;gap:1.3rem}
}
/* 页脚标志 239px 宽，三栏、两栏的半栏都塞不下（641–730、≤470 宽会压住旁边一栏）：
   这一段起标志那块单独占一整行，链接两栏。10-19 画布 A 方案 */
@media (max-width:760px){
  .foot__grid{grid-template-columns:1fr 1fr}
  .foot__grid>div:first-child{grid-column:1/-1}
}
@media (max-width:640px){
  .form{grid-template-columns:1fr}
  .sentlist{grid-template-columns:1fr;gap:.25rem}
  .sentlist dd{margin-bottom:.6rem}
  .hero--full .btnrow{grid-template-columns:1fr}
  .advs,.advs--4{grid-template-columns:1fr}
  .keyspecs{grid-template-columns:1fr}
  .fgrid,.fgrid--3,.indgrid{grid-template-columns:1fr}
  /* 下层手机版：四个入口只留图标（文字给读屏），号码靠右，一行 36px */
  .mh__links{gap:2px;margin-left:-12px}
  .mh__links a.lk{width:40px;height:36px;justify-content:center;gap:0}
  .lk__lbl{position:absolute;width:1px;height:1px;margin:-1px;padding:0;border:0;
    overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
  .lk--tel{font-size:12.5px;gap:7px}
  .lk--tel svg{width:14px;height:14px}
}