/* ============================================================
   盛砥官网 · 样式表
   配色沿用企业介绍 PPT：深蓝墨 + 品牌蓝 + 冷灰白
   ============================================================ */

:root{
  --ink:#101820;
  --navy:#1f2933;
  --accent:#2b6d8f;
  --accent-dk:#245a75;
  --accent-lt:#e8f1f6;
  --bg:#f4f7f9;
  --card:#ffffff;
  --text:#2c3a44;
  --muted:#6b7c88;
  --line:#e2e8ed;
  --radius:14px;
  --shadow:0 1px 2px rgba(16,24,32,.04), 0 8px 24px rgba(16,24,32,.06);
  --maxw:1200px;
  --sans:"Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, "Helvetica Neue",
         "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; background:var(--bg); color:var(--text);
  font-family:var(--sans); font-size:16px; line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%; display:block}
a{color:var(--accent-dk); text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{color:var(--navy); line-height:1.25; margin:0 0 .6em}
h1{font-size:clamp(28px,4.2vw,44px); font-weight:700; letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,32px); font-weight:700}
h3{font-size:19px; font-weight:700}
p{margin:0 0 1em}
.wrap{max-width:var(--maxw); margin:0 auto; padding:0 24px}

/* ---------- 顶栏 ---------- */
.hdr{
  position:sticky; top:0; z-index:50; background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px); border-bottom:1px solid var(--line);
}
.hdr-in{display:flex; align-items:center; gap:28px; height:70px}
.logo{display:flex; flex-direction:column; line-height:1.15; flex:0 0 auto}
.logo b{color:var(--navy); font-size:17px; letter-spacing:.02em}
.logo span{color:var(--muted); font-size:10.5px; letter-spacing:.14em; text-transform:uppercase}
.nav{display:flex; gap:26px; margin-left:auto; align-items:center}
.nav a{color:var(--text); font-size:15px; white-space:nowrap}
.nav a.on{color:var(--accent); font-weight:600}
.langs{display:inline-flex; border:1px solid var(--line); border-radius:8px; overflow:hidden; flex:0 0 auto}
.lang{
  padding:5px 11px; font-size:13px; color:var(--muted); font-weight:600;
  letter-spacing:.04em; border-right:1px solid var(--line); white-space:nowrap;
}
.lang:last-child{border-right:0}
.lang:hover{background:var(--accent-lt); color:var(--accent)}
.lang-on{background:var(--accent); color:#fff !important}
.lang-on:hover{background:var(--accent); color:#fff !important}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background:var(--accent); color:#fff !important; border:1px solid var(--accent);
  padding:11px 20px; border-radius:9px; font-size:15px; font-weight:600;
  cursor:pointer; transition:background .15s, border-color .15s;
}
.btn:hover{background:var(--accent-dk); border-color:var(--accent-dk)}
.btn-ghost{background:transparent; color:var(--navy) !important; border-color:var(--line)}
.btn-ghost:hover{background:#fff; border-color:var(--accent); color:var(--accent) !important}
.btn-light{background:#fff; color:var(--accent-dk) !important; border-color:#fff}
.btn-light:hover{background:#eaf2f7; border-color:#eaf2f7}
.btn-outline-light{background:transparent; color:#fff !important; border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:rgba(255,255,255,.1); border-color:#fff}
.burger{display:none; margin-left:auto; background:none; border:0; font-size:24px; color:var(--navy); cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  position:relative; background:var(--ink); color:#fff; overflow:hidden;
  padding:84px 0 76px;
}
.hero::before{
  content:""; position:absolute; inset:0;
  background:url("images/background-1.webp") center/cover no-repeat;
  opacity:.20; filter:saturate(.7);
}
.hero::after{
  content:""; position:absolute; inset:0;
  background:linear-gradient(100deg, var(--ink) 34%, rgba(16,24,32,.72) 62%, rgba(16,24,32,.35) 100%);
}
.hero .wrap{position:relative; z-index:2}
.hero-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:52px; align-items:center}
.eyebrow{
  color:#7fc0e0; font-size:13.5px; font-weight:700; letter-spacing:.09em;
  text-transform:uppercase; margin-bottom:16px;
}
.hero h1{color:#fff; margin-bottom:20px}
.hero p{color:#c6d4de; font-size:17.5px; max-width:44em; margin-bottom:30px}
.hero-btns{display:flex; gap:12px; flex-wrap:wrap}
.hero-img{border-radius:var(--radius); overflow:hidden; box-shadow:0 24px 60px rgba(0,0,0,.45)}

/* ---------- 数据条 ---------- */
.stats{background:var(--navy); color:#fff}
.stats-in{display:grid; grid-template-columns:repeat(4,1fr); gap:1px; background:rgba(255,255,255,.1)}
.stat{background:var(--navy); padding:24px 20px; text-align:center}
.stat b{display:block; font-size:26px; font-weight:700; color:#fff; letter-spacing:-.01em}
.stat span{display:block; font-size:13px; color:#93a6b3; margin-top:5px}

/* ---------- 区块 ---------- */
section{padding:76px 0}
section.alt{background:#fff}
.sec-head{max-width:760px; margin-bottom:44px}
.sec-head p{color:var(--muted); font-size:17px; margin:0}
.kicker{
  color:var(--accent); font-size:13px; font-weight:700;
  letter-spacing:.09em; text-transform:uppercase; margin-bottom:10px;
}

/* ---------- 卡片网格 ---------- */
.grid{display:grid; gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
  box-shadow:var(--shadow); overflow:hidden; display:flex; flex-direction:column;
}
.card-img{aspect-ratio:900/620; background:#dde6ec; overflow:hidden}
.card-img img{width:100%; height:100%; object-fit:cover}
.card-body{padding:24px 24px 26px; display:flex; flex-direction:column; flex:1}
.card-body h3{margin-bottom:9px}
.card-body p{color:var(--muted); font-size:14.5px; flex:1}
.card-link{font-weight:600; font-size:14.5px; margin-top:6px}
.card-link::after{content:" →"}

.tile{background:var(--card); border:1px solid var(--line); border-radius:var(--radius); padding:26px}
.tile h3{font-size:17px; margin-bottom:7px}
.tile p{color:var(--muted); font-size:14.5px; margin:0}
.tile .num{
  display:inline-flex; align-items:center; justify-content:center;
  width:34px; height:34px; border-radius:9px; background:var(--accent-lt);
  color:var(--accent-dk); font-weight:700; font-size:14px; margin-bottom:14px;
}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto; border:1px solid var(--line); border-radius:var(--radius); background:#fff}
table{width:100%; border-collapse:collapse; font-size:14.5px; min-width:620px}
thead th{
  background:var(--accent-dk); color:#fff; font-weight:600; text-align:left;
  padding:13px 16px; white-space:nowrap; font-size:14px;
}
tbody td{padding:12px 16px; border-top:1px solid var(--line); vertical-align:top}
tbody tr:nth-child(even){background:#fafcfd}
tbody td:first-child{font-weight:600; color:var(--navy); white-space:nowrap}
.tbl-note{color:var(--muted); font-size:13.5px; margin-top:14px; font-style:italic}

/* ---------- 标签 ---------- */
.tags{display:flex; flex-wrap:wrap; gap:9px; margin:0 0 26px; padding:0; list-style:none}
.tags li{
  background:var(--accent-lt); color:var(--accent-dk); border-radius:100px;
  padding:6px 15px; font-size:13.5px; font-weight:600;
}

/* ---------- 两栏 ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center}
.split img{border-radius:var(--radius); box-shadow:var(--shadow)}
.checks{list-style:none; padding:0; margin:0}
.checks li{position:relative; padding-left:28px; margin-bottom:11px; color:var(--text)}
.checks li::before{
  content:""; position:absolute; left:0; top:.62em; width:9px; height:9px;
  border-radius:50%; background:var(--accent);
}

/* ---------- 流程 ---------- */
.chain{display:grid; grid-template-columns:repeat(5,1fr); gap:14px}
.step{background:#fff; border:1px solid var(--line); border-radius:var(--radius); padding:20px 18px; text-align:center}
.step b{display:block; color:var(--navy); font-size:16px; margin-bottom:5px}
.step span{color:var(--muted); font-size:13.5px}
.step.hi{background:var(--accent-dk); border-color:var(--accent-dk)}
.step.hi b{color:#fff}
.step.hi span{color:#bcd6e4}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--navy); color:#fff; padding:56px 0}
.cta-band .wrap{display:flex; align-items:center; gap:32px; flex-wrap:wrap}
.cta-band h2{color:#fff; margin:0 0 6px}
.cta-band p{color:#a9bcc8; margin:0}
.cta-band .btn{margin-left:auto; flex:0 0 auto}

/* ---------- 页头小 banner ---------- */
.page-head{background:var(--navy); color:#fff; padding:56px 0 52px}
.page-head h1{color:#fff; margin-bottom:12px}
.page-head p{color:#b3c4cf; font-size:17px; max-width:62em; margin:0}
.crumb{color:#7f97a6; font-size:13.5px; margin-bottom:14px}
.crumb a{color:#7f97a6}
.crumb a:hover{color:#fff}

/* ---------- 表单 ---------- */
.form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px}
.field{display:flex; flex-direction:column}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px; font-weight:600; color:var(--navy); margin-bottom:6px}
.field input,.field select,.field textarea{
  font-family:inherit; font-size:15px; color:var(--text); background:#fff;
  border:1px solid var(--line); border-radius:9px; padding:11px 13px; width:100%;
}
.field textarea{min-height:110px; resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(43,109,143,.12);
}
.form-hint{color:var(--muted); font-size:13px; margin-top:12px}
.field.full > .btn{align-self:flex-start}

.contact-list{list-style:none; padding:0; margin:0}
.contact-list li{display:flex; gap:14px; padding:14px 0; border-bottom:1px solid var(--line)}
.contact-list li:last-child{border-bottom:0}
.contact-list b{flex:0 0 118px; color:var(--muted); font-weight:600; font-size:14px}
.contact-list span,.contact-list a{color:var(--navy); font-size:15px}

/* ---------- 页脚 ---------- */
.ftr{background:var(--ink); color:#8ea1af; padding:60px 0 26px; font-size:14.5px}
.ftr-grid{display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px}
.ftr h4{color:#fff; font-size:14px; letter-spacing:.06em; text-transform:uppercase; margin-bottom:16px}
.ftr a{color:#8ea1af; display:block; margin-bottom:9px}
.ftr a:hover{color:#fff}
.ftr .brand b{color:#fff; font-size:17px; display:block}
.ftr .brand span{font-size:10.5px; letter-spacing:.14em; text-transform:uppercase; color:#6b8091}
.ftr-btm{
  border-top:1px solid rgba(255,255,255,.09); margin-top:44px; padding-top:22px;
  display:flex; gap:16px; flex-wrap:wrap; font-size:13px; color:#66798a;
}

/* ---------- 响应式 ---------- */
@media (max-width:960px){
  .hero-grid{grid-template-columns:1fr; gap:36px}
  .hero-img{max-width:420px}
  .g3,.g2{grid-template-columns:repeat(2,1fr)}
  .chain{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr; gap:32px}
  .stats-in{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr; gap:32px}
}
@media (max-width:700px){
  .nav{
    display:none; position:absolute; top:70px; left:0; right:0; background:#fff;
    flex-direction:column; align-items:flex-start; gap:0; padding:10px 24px 20px;
    border-bottom:1px solid var(--line); box-shadow:var(--shadow);
  }
  .nav.open{display:flex}
  .nav a{padding:11px 0; width:100%}
  .burger{display:block}
  .g3,.g2,.form-grid{grid-template-columns:1fr}
  section{padding:54px 0}
  .cta-band .btn{margin-left:0}
  .ftr-grid{grid-template-columns:1fr}
}


/* ============================================================
   SHENGDI · 2026 corporate experience upgrade
   ============================================================ */
:root{
  --ink:#071720; --navy:#0b2330; --navy-2:#12394a;
  --accent:#0f8588; --accent-dk:#086a70; --accent-lt:#e3f3f1;
  --signal:#7fd1c7; --bg:#f4f7f7; --card:#fff; --text:#20333d;
  --muted:#63747c; --line:#dbe5e5; --radius:18px;
  --shadow:0 18px 55px rgba(7,23,32,.09); --maxw:1240px;
}
::selection{background:var(--signal);color:var(--ink)}
body{background:var(--bg);color:var(--text);font-size:16px;line-height:1.65;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:-1;background:radial-gradient(circle at 8% 18%,rgba(15,133,136,.07),transparent 28%),radial-gradient(circle at 94% 54%,rgba(36,103,128,.06),transparent 32%)}
a,button,input,select,textarea{transition:border-color .2s,color .2s,background-color .2s,box-shadow .2s,transform .2s}
:focus-visible{outline:3px solid rgba(15,133,136,.28);outline-offset:3px}
.wrap{padding:0 30px}
.preview-bar{background:#fff5d8;color:#6f5600;border-bottom:1px solid #ead99d;font-size:12.5px;letter-spacing:.01em;padding:7px 20px}
.hdr{background:rgba(249,252,252,.91);border-bottom:1px solid rgba(219,229,229,.85);box-shadow:0 8px 30px rgba(7,23,32,.025)}
.hdr-in{height:78px;gap:24px}
.logo{display:grid;grid-template-columns:42px auto;grid-template-rows:auto auto;column-gap:11px;align-items:center;line-height:1;min-width:188px}
.logo::before{content:"S";grid-row:1/3;width:42px;height:42px;display:grid;place-items:center;border-radius:12px 4px 12px 4px;background:var(--navy);color:var(--signal);font-weight:800;font-size:19px;box-shadow:inset 0 0 0 1px rgba(127,209,199,.25)}
.logo b{font-size:17px;letter-spacing:.11em;color:var(--ink)}
.logo span{font-size:9.5px;letter-spacing:.18em;color:#6c7b82;margin-top:5px}
.nav{gap:22px}
.nav>a:not(.btn){font-size:14px;font-weight:560;color:#364a53;position:relative}
.nav>a:not(.btn)::after{content:"";position:absolute;left:0;right:100%;bottom:-10px;height:2px;background:var(--accent);transition:right .2s}
.nav>a:not(.btn):hover::after,.nav>a.on::after{right:0}
.langs{border-color:#d3dfdf;background:#fff;border-radius:10px}
.lang{padding:6px 10px}
.lang-on{background:var(--navy)}
.btn{min-height:44px;padding:11px 21px;border-radius:11px;background:var(--accent-dk);border-color:var(--accent-dk);box-shadow:0 8px 24px rgba(8,106,112,.14);font-weight:680}
.btn:hover{background:var(--ink);border-color:var(--ink);transform:translateY(-1px);box-shadow:0 12px 28px rgba(7,23,32,.18)}
.btn-ghost{box-shadow:none;background:#fff;border-color:#cbd9da}
.btn-light{color:var(--ink)!important;background:var(--signal);border-color:var(--signal)}
.btn-light:hover{background:#fff;border-color:#fff}
.btn-outline-light{box-shadow:none;border-color:rgba(255,255,255,.38)}
.burger{width:44px;height:44px;padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.burger span{display:block;width:20px;height:2px;background:var(--navy);border-radius:3px;transition:transform .2s,opacity .2s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.hero{padding:104px 0 94px;background:var(--ink);isolation:isolate}
.hero::before{background:radial-gradient(circle at 82% 18%,rgba(127,209,199,.16),transparent 29%),linear-gradient(125deg,rgba(15,133,136,.12),transparent 47%);opacity:1;filter:none}
.hero::after{background:linear-gradient(105deg,rgba(7,23,32,.98) 25%,rgba(7,23,32,.9) 58%,rgba(7,23,32,.55) 100%)}
.hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:72px}
.eyebrow{color:var(--signal);font-size:12px;letter-spacing:.17em;margin-bottom:20px}
.hero h1{font-size:clamp(40px,5.25vw,66px);line-height:1.04;letter-spacing:-.035em;max-width:13.5em;margin-bottom:24px}
.hero p{font-size:18px;line-height:1.72;color:#bfced3;max-width:43em;margin-bottom:24px}
.hero-proof{display:flex;gap:9px;flex-wrap:wrap;margin:0 0 31px}
.hero-proof span{display:inline-flex;align-items:center;gap:8px;color:#d5e2e4;font-size:13px;padding:7px 11px;border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.045);border-radius:99px}
.hero-proof span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 4px rgba(127,209,199,.1)}
.hero-btns{gap:13px}
.hero-img{position:relative;border-radius:32px 8px 32px 8px;box-shadow:0 32px 80px rgba(0,0,0,.48);transform:rotate(1deg);border:1px solid rgba(255,255,255,.15);aspect-ratio:1.16/1;min-height:380px}
.hero-img::after{content:"4H–SiC";position:absolute;right:18px;bottom:18px;padding:8px 12px;border-radius:8px;background:rgba(7,23,32,.75);backdrop-filter:blur(8px);color:#fff;font-size:12px;font-weight:700;letter-spacing:.12em}
.hero-img img{width:100%;height:100%;object-fit:cover}

.stats{background:#fff;color:var(--ink);border-bottom:1px solid var(--line)}
.stats-in{background:transparent;gap:0}
.stat{background:#fff;padding:30px 22px;position:relative}
.stat:not(:last-child)::after{content:"";position:absolute;top:28%;bottom:28%;right:0;width:1px;background:var(--line)}
.stat b{color:var(--ink);font-size:29px;letter-spacing:-.03em}
.stat span{color:var(--muted);font-size:12.5px;margin-top:6px}

.confidence{background:#fff;padding:34px 0 44px;border-bottom:1px solid var(--line)}
.confidence-top{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:24px}
.confidence-top h2{font-size:21px;margin:0;max-width:25em}
.confidence-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.confidence-item{padding:22px 24px;background:#f9fbfb;display:grid;grid-template-columns:auto 1fr;gap:13px 14px}
.confidence-item:not(:last-child){border-right:1px solid var(--line)}
.confidence-item b{font-size:12px;color:var(--accent);letter-spacing:.1em;padding-top:2px}
.confidence-item h3{font-size:15px;margin:0 0 4px}
.confidence-item p{grid-column:2;color:var(--muted);font-size:13.5px;margin:0}

section{padding:94px 0}
section.alt{background:rgba(255,255,255,.78)}
.sec-head{max-width:800px;margin-bottom:48px}
.sec-head h2{font-size:clamp(30px,3.5vw,46px);letter-spacing:-.025em;margin-bottom:14px}
.sec-head p{font-size:17px;line-height:1.65}
.kicker{display:flex;align-items:center;gap:10px;font-size:11.5px;letter-spacing:.15em;color:var(--accent-dk)}
.kicker::before{content:"";width:28px;height:1px;background:var(--accent)}
.grid{gap:22px}
.card{border-color:#dce6e6;border-radius:20px;box-shadow:0 10px 34px rgba(7,23,32,.055);transition:transform .24s,box-shadow .24s,border-color .24s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#bed3d3}
.card-img{aspect-ratio:16/10;position:relative}
.card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,23,32,.16),transparent 45%);pointer-events:none}
.card-img img{transition:transform .55s}
.card:hover .card-img img{transform:scale(1.035)}
.card-body{padding:27px 27px 29px}
.card-body h3{font-size:20px;letter-spacing:-.012em}
.card-body p{font-size:14px;line-height:1.65}
.specs{display:flex;flex-wrap:wrap;gap:7px;margin:4px 0 16px;padding:0;list-style:none}
.specs li{font-size:11.5px;font-weight:700;letter-spacing:.03em;color:var(--accent-dk);background:var(--accent-lt);border-radius:99px;padding:5px 9px}
.card-link{display:inline-flex;align-items:center;color:var(--accent-dk);font-weight:700;margin-top:4px}
.card-link::after{content:"↗";margin-left:7px;transition:transform .2s}
.card-link:hover::after{transform:translate(2px,-2px)}
.tile{border-color:#dce6e6;border-radius:17px;background:rgba(255,255,255,.88);padding:28px;transition:transform .2s,border-color .2s,box-shadow .2s}
.tile:hover{transform:translateY(-3px);border-color:#bcd3d3;box-shadow:0 14px 34px rgba(7,23,32,.06)}
.tile .num{width:38px;height:38px;border-radius:12px 4px 12px 4px;background:var(--navy);color:var(--signal)}
.applications-visual{width:100%;height:260px;object-fit:cover;object-position:center;border-radius:22px!important;filter:saturate(.72) contrast(1.03);background:#fff}

.decision-section{background:var(--navy);color:#fff;overflow:hidden;position:relative}
.decision-section::before{content:"";position:absolute;width:540px;height:540px;border:1px solid rgba(127,209,199,.12);border-radius:50%;right:-190px;top:-280px;box-shadow:0 0 0 80px rgba(127,209,199,.025),0 0 0 160px rgba(127,209,199,.018)}
.decision-section .sec-head{position:relative;z-index:1}
.decision-section .kicker{color:var(--signal)}
.decision-section .kicker::before{background:var(--signal)}
.decision-section h2{color:#fff}
.decision-section .sec-head p{color:#afc2c8}
.decision-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:20px;overflow:hidden;position:relative;z-index:1}
.decision-card{background:#102c3a;padding:34px;min-height:220px}
.decision-card b{display:block;color:var(--signal);font-size:12px;letter-spacing:.12em;margin-bottom:42px}
.decision-card h3{color:#fff;font-size:20px;margin-bottom:10px}
.decision-card p{color:#9fb4bc;font-size:14px;margin:0}

.split{gap:66px}
.split>img{border-radius:24px 8px 24px 8px;box-shadow:var(--shadow);min-height:360px;object-fit:cover}
.checks li{padding-left:30px;margin-bottom:13px}
.checks li::before{width:18px;height:18px;top:.28em;background:var(--accent-lt);border:1px solid #a9cfca}
.checks li::after{content:"✓";position:absolute;left:5px;top:.02em;color:var(--accent-dk);font-size:12px;font-weight:800}
.table-wrap{border-radius:16px;border-color:#d5e1e1;box-shadow:0 12px 35px rgba(7,23,32,.045)}
thead th{background:var(--navy);padding:15px 17px}
tbody td{padding:14px 17px}
tbody tr:nth-child(even){background:#f7fafa}
tbody tr:hover{background:#edf6f5}
.tags li{background:#e5f2f1;color:#176d70}

.page-head{padding:76px 0 68px;background:var(--navy);position:relative;overflow:hidden}
.page-head::after{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(127,209,199,.12);border-radius:50%;right:-130px;top:-330px;box-shadow:0 0 0 70px rgba(127,209,199,.028),0 0 0 140px rgba(127,209,199,.018)}
.page-head .wrap{position:relative;z-index:1}
.page-head h1{font-size:clamp(36px,5vw,60px);letter-spacing:-.035em;max-width:15em}
.page-head p{font-size:18px;line-height:1.65;max-width:52em}
.page-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}
.page-meta span{font-size:12px;color:#d9e5e7;border:1px solid rgba(255,255,255,.17);border-radius:99px;padding:6px 10px;background:rgba(255,255,255,.04)}

.form-grid{gap:20px}
.field label{font-size:12.5px;letter-spacing:.02em}
.field input,.field select,.field textarea{border-color:#cddada;border-radius:11px;padding:13px 14px;background:#fbfdfd}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#a9c2c2}
.form-hint{line-height:1.5}
.privacy-note{font-size:12px!important;color:#718189!important;max-width:48em;margin:4px 0 0!important}
.contact-list{border-top:1px solid var(--line)}
.contact-list b{flex-basis:110px}
.pending-contact{color:var(--muted)!important;font-size:13px!important;display:block;margin-bottom:8px}

.cta-band{padding:68px 0;background:var(--accent-dk);position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:6%;top:-110px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(255,255,255,.18);box-shadow:0 0 0 38px rgba(255,255,255,.035),0 0 0 76px rgba(255,255,255,.02)}
.cta-band .wrap{position:relative;z-index:1}
.cta-band p{color:#c4dddd}
.ftr{padding:72px 0 28px;background:var(--ink)}
.ftr-grid{grid-template-columns:1.5fr .9fr 1.25fr 1.1fr;gap:48px}
.ftr .brand{display:grid;grid-template-columns:42px auto;align-items:center;column-gap:12px}
.ftr .brand::before{content:"S";grid-row:1/3;width:42px;height:42px;display:grid;place-items:center;border-radius:12px 4px 12px 4px;background:#14303d;color:var(--signal);font-weight:800}
.ftr .brand b,.ftr .brand span{grid-column:2}
.ftr h4{font-size:12px;color:#dbe7e9}
.ftr a{margin-bottom:10px}
.ftr-btm{justify-content:space-between}

.mobile-cta{display:none;position:fixed;z-index:65;left:14px;right:14px;bottom:14px;padding:8px;border:1px solid rgba(255,255,255,.18);border-radius:15px;background:rgba(7,23,32,.9);backdrop-filter:blur(14px);box-shadow:0 14px 42px rgba(0,0,0,.28)}
.mobile-cta .btn{width:100%;box-shadow:none}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

@media (max-width:1080px){
  .nav{gap:15px}.nav>a:not(.btn){font-size:13px}.hero-grid{gap:44px}.ftr-grid{grid-template-columns:1.2fr 1fr 1fr}.ftr-grid>div:last-child{grid-column:2/4}
}
@media (max-width:960px){
  .hero{padding:78px 0}.hero-grid{grid-template-columns:1fr}.hero h1{max-width:16em}.hero-img{max-width:none;width:100%;min-height:0;aspect-ratio:16/9;transform:none}.confidence-grid{grid-template-columns:1fr}.confidence-item:not(:last-child){border-right:0;border-bottom:1px solid var(--line)}.decision-grid{grid-template-columns:1fr}.decision-card{min-height:0}.decision-card b{margin-bottom:22px}.ftr-grid{grid-template-columns:1fr 1fr}.ftr-grid>div:last-child{grid-column:auto}
}
@media (max-width:700px){
  body{padding-bottom:76px}.wrap{padding:0 20px}.preview-bar{font-size:11px}.hdr-in{height:68px}.logo{grid-template-columns:36px auto;min-width:0}.logo::before{width:36px;height:36px}.logo span{display:none}.burger{display:flex;margin-left:auto}.nav{top:68px;padding:14px 20px 22px;gap:0;max-height:calc(100vh - 68px);overflow:auto}.nav>a:not(.btn)::after{display:none}.nav .langs{margin:12px 0;width:100%}.nav .lang{flex:1;text-align:center}.nav>.btn{width:100%;margin-top:6px}.hero{padding:64px 0 56px}.hero-grid{gap:38px}.hero h1{font-size:39px}.hero p{font-size:16px}.hero-proof{gap:6px}.hero-proof span{font-size:11.5px}.hero-img{aspect-ratio:4/3;border-radius:22px 6px 22px 6px}.stats-in{grid-template-columns:1fr 1fr}.stat{padding:23px 12px}.stat:nth-child(2)::after{display:none}.confidence{padding-top:26px}.confidence-top{display:block}.confidence-top h2{font-size:19px}.confidence-item{padding:20px}.g3,.g2,.form-grid{grid-template-columns:1fr}.card-body{padding:23px}.applications-visual{height:190px}.page-head{padding:58px 0 52px}.page-head h1{font-size:39px}.page-head p{font-size:16px}.split{gap:34px}.split>img{min-height:230px}.cta-band .wrap{display:block}.cta-band .btn{margin-top:22px}.ftr-grid{grid-template-columns:1fr}.mobile-cta{display:block}.ftr-btm{padding-bottom:10px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}.reveal{opacity:1;transform:none;transition:none}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}

/* =========================================================
   SHENGDI · 2026 final layout system
   SiC remains the core portfolio; CMP pads are supplementary.
   ========================================================= */
html{scroll-behavior:auto}
body{font-size:16px;line-height:1.72;letter-spacing:0}
html[lang="ru"] body,html[lang="en"] body{font-family:Inter,"Segoe UI",Roboto,Arial,sans-serif}
html[lang="zh"] body{font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif}
.wrap{max-width:1220px;padding-left:28px;padding-right:28px}
section{padding:78px 0}
h1,h2,h3{letter-spacing:0;text-wrap:balance}
h2{font-size:clamp(30px,3.15vw,40px);line-height:1.22}
.hero{padding:86px 0 80px}
.hero-grid{grid-template-columns:minmax(0,1.08fr) minmax(400px,.92fr);gap:64px}
.hero h1{font-size:clamp(44px,4.55vw,58px);line-height:1.14;letter-spacing:-.012em;max-width:15.2em;margin-bottom:24px}
.hero p{font-size:17px;line-height:1.78;max-width:650px}
html[lang="ru"] .hero h1{font-size:clamp(42px,4.2vw,54px);line-height:1.17;letter-spacing:0;max-width:16.8em}
html[lang="zh"] .hero h1{line-height:1.16;letter-spacing:0;max-width:14.5em}
.page-head{padding:68px 0 62px}
.page-head h1{font-size:clamp(38px,4.25vw,52px);line-height:1.15;letter-spacing:0;max-width:16em}
.page-head p{font-size:17px;line-height:1.75;max-width:760px}
html[lang="ru"] .page-head h1{line-height:1.18}
.sec-head{margin-bottom:38px}
.sec-head h2{line-height:1.22;letter-spacing:0}
.sec-head p{font-size:16px;line-height:1.75;max-width:720px}
.nav{gap:19px}
.nav>a:not(.btn){font-size:13.5px;font-weight:600;letter-spacing:0;white-space:nowrap}
.card-body{padding:25px 25px 27px}
.card-body h3{font-size:19px;line-height:1.42;letter-spacing:0;margin-bottom:10px}
.card-body p{font-size:14px;line-height:1.72}
.core-products .card-body h3,.core-catalogue .card-body h3{min-height:2.84em}
html[lang="ru"] .core-products .card-body h3,html[lang="ru"] .core-catalogue .card-body h3{min-height:4.26em}
.specs{gap:7px;margin-top:17px}
.specs li{font-size:11.5px;padding:6px 10px}
.tile{padding:25px}
.tile h3{line-height:1.42;letter-spacing:0}
.tile p{line-height:1.72}
.decision-card{padding:28px}
.decision-card h3{line-height:1.4}
.reveal{opacity:1;transform:none;transition:none}
[hidden]{display:none!important}

.portfolio-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:32px}
.portfolio-intro>div{max-width:730px}
.portfolio-intro .kicker{margin-bottom:11px}
.portfolio-intro h2{margin-bottom:10px}
.portfolio-intro p{color:var(--muted);margin:0;line-height:1.72}
.portfolio-chip{flex:none;display:inline-flex;align-items:center;gap:9px;padding:10px 14px;border:1px solid #c7dada;border-radius:999px;background:#fff;color:var(--accent-dk);font-size:12px;font-weight:800;letter-spacing:.05em;text-transform:uppercase}
.portfolio-chip::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 5px rgba(94,217,200,.14)}

.cmp-teaser{padding:24px 0 72px;background:var(--paper)}
.core-products+.cmp-teaser{padding-top:0}
.cmp-panel{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(310px,.65fr);align-items:center;gap:48px;overflow:hidden;padding:38px 42px;border:1px solid #cbdcda;border-radius:22px;background:linear-gradient(135deg,#f8fbfa 0%,#edf6f4 100%);box-shadow:0 12px 36px rgba(7,23,32,.055)}
.cmp-panel::before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:linear-gradient(180deg,var(--signal),var(--accent))}
.cmp-kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:12px;color:var(--accent-dk);font-size:11.5px;font-weight:800;letter-spacing:.105em;text-transform:uppercase}
.cmp-kicker::before{content:"";width:22px;height:1px;background:var(--accent)}
.cmp-copy h2{font-size:clamp(27px,3vw,38px);line-height:1.22;margin-bottom:12px}
.cmp-copy>p{max-width:760px;color:var(--muted);font-size:15px;line-height:1.76;margin-bottom:18px}
.cmp-tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px;padding:0;list-style:none}
.cmp-tags li{padding:7px 11px;border:1px solid #c7dada;border-radius:999px;background:rgba(255,255,255,.76);color:#315463;font-size:12px;font-weight:700}
.cmp-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cmp-secondary-link{font-size:13px;font-weight:800;color:var(--accent-dk)}
.cmp-secondary-link::after{content:" →"}
.cmp-visual{position:relative;min-height:220px;border:1px solid rgba(31,111,120,.14);border-radius:18px;background:radial-gradient(circle at 72% 18%,rgba(94,217,200,.22),transparent 34%),linear-gradient(145deg,#0b2935,#143e48);overflow:hidden}
.cmp-visual::after{content:"CMP";position:absolute;right:18px;bottom:12px;color:rgba(255,255,255,.18);font-size:48px;font-weight:800;letter-spacing:.08em}
.cmp-disc{position:absolute;border-radius:50%;border:1px solid rgba(255,255,255,.26);box-shadow:0 24px 42px rgba(0,0,0,.28),inset 0 0 0 7px rgba(255,255,255,.05)}
.cmp-disc::after{content:attr(data-label);position:absolute;inset:0;display:grid;place-items:center;color:#dffaf6;font-size:11px;font-weight:800;letter-spacing:.08em}
.cmp-disc.one{width:150px;height:150px;left:30px;top:42px;background:radial-gradient(circle at 36% 30%,#668793,#24444f 58%,#102b36)}
.cmp-disc.two{width:118px;height:118px;left:145px;top:70px;background:radial-gradient(circle at 34% 28%,#8fa9a9,#3f6666 62%,#183a3d)}
.cmp-disc.three{width:86px;height:86px;right:25px;top:95px;background:radial-gradient(circle at 35% 28%,#d0ddd7,#6d8d84 62%,#2e5551)}

.cmp-detail{padding:74px 0}
.cmp-lead-grid{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(340px,.92fr);gap:62px;align-items:center}
.cmp-lead-grid h2{margin-bottom:15px}
.cmp-lead-grid p{color:var(--muted);font-size:16px;line-height:1.78}
.cmp-lead-grid .cmp-visual{min-height:330px}
.cmp-lead-grid .cmp-disc.one{width:205px;height:205px;left:34px;top:62px}
.cmp-lead-grid .cmp-disc.two{width:158px;height:158px;left:190px;top:104px}
.cmp-lead-grid .cmp-disc.three{width:112px;height:112px;right:30px;top:151px}
.cmp-points{display:grid;grid-template-columns:1fr 1fr;gap:11px 18px;margin:24px 0 0;padding:0;list-style:none}
.cmp-points li{position:relative;padding-left:22px;color:#294752;font-size:13.5px;line-height:1.55}
.cmp-points li::before{content:"✓";position:absolute;left:0;top:0;color:var(--accent);font-weight:900}
.cmp-type-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cmp-type{padding:28px;border:1px solid #d3e1e0;border-radius:18px;background:#fff;box-shadow:0 10px 30px rgba(7,23,32,.045)}
.cmp-type .num{display:block;margin-bottom:22px;color:var(--accent);font-size:12px;font-weight:900;letter-spacing:.1em}
.cmp-type h3{font-size:19px;line-height:1.42;margin-bottom:10px}
.cmp-type p{color:var(--muted);font-size:14px;line-height:1.72}
.cmp-review{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:54px;align-items:start}
.cmp-review h2{margin-bottom:14px}
.cmp-review>div>p{color:var(--muted);line-height:1.78}
.cmp-review-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:0;padding:0;list-style:none}
.cmp-review-list li{padding:14px 15px;border:1px solid #d7e4e3;border-radius:12px;background:#f8fbfa;color:#294752;font-size:13px;font-weight:700}
.cmp-rfq-fields{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:20px;padding:20px;border:1px solid #c9dcda;border-radius:16px;background:#f3f8f7}
.cmp-rfq-fields::before{content:attr(data-title);grid-column:1/-1;color:var(--accent-dk);font-size:13px;font-weight:800}
.field.is-sic-only{transition:none}

@media (max-width:960px){
  section{padding:68px 0}.hero-grid{grid-template-columns:1fr;gap:46px}.hero h1,html[lang="ru"] .hero h1{max-width:16em}.portfolio-intro{align-items:flex-start}.cmp-panel,.cmp-lead-grid,.cmp-review{grid-template-columns:1fr}.cmp-visual{min-height:250px}.cmp-type-grid{grid-template-columns:1fr 1fr}.cmp-lead-grid{gap:36px}.cmp-lead-grid .cmp-visual{min-height:300px}
}
@media (max-width:700px){
  body{font-size:15px}.wrap{padding-left:20px;padding-right:20px}section{padding:52px 0}.hero{padding:54px 0 50px}.hero h1,html[lang="ru"] .hero h1{font-size:clamp(31px,9.2vw,35px);line-height:1.18;letter-spacing:0}.hero p{font-size:15.5px;line-height:1.72}.page-head{padding:48px 0 44px}.page-head h1{font-size:34px;line-height:1.18}.page-head p{font-size:15.5px}.sec-head{margin-bottom:28px}.sec-head h2{font-size:29px}.core-products .card-body h3,.core-catalogue .card-body h3,html[lang="ru"] .core-products .card-body h3,html[lang="ru"] .core-catalogue .card-body h3{min-height:0}.portfolio-intro{display:block;margin-bottom:24px}.portfolio-chip{margin-top:16px}.cmp-teaser{padding:16px 0 52px}.cmp-panel{grid-template-columns:1fr;gap:28px;padding:28px 24px}.cmp-copy h2{font-size:28px}.cmp-visual{min-height:220px}.cmp-type-grid{grid-template-columns:1fr}.cmp-points,.cmp-review-list,.cmp-rfq-fields{grid-template-columns:1fr}.cmp-lead-grid .cmp-visual{min-height:255px}.cmp-lead-grid .cmp-disc.one{width:155px;height:155px;left:22px;top:48px}.cmp-lead-grid .cmp-disc.two{width:120px;height:120px;left:130px;top:83px}.cmp-lead-grid .cmp-disc.three{width:88px;height:88px;right:18px;top:121px}.table-wrap{overflow:visible;border:0;background:transparent;box-shadow:none}.table-wrap table,.table-wrap tbody,.table-wrap tr,.table-wrap td{display:block;width:100%}.table-wrap thead{display:none}.table-wrap tr{margin-bottom:12px;padding:8px 16px;border:1px solid #d8e4e3;border-radius:14px;background:#fff;box-shadow:0 8px 22px rgba(7,23,32,.04)}.table-wrap td{display:grid;grid-template-columns:96px minmax(0,1fr);gap:12px;padding:10px 0!important;border-bottom:1px solid #e5eceb!important;font-size:13px}.table-wrap td:last-child{border-bottom:0!important}.table-wrap td::before{content:attr(data-label);color:var(--accent-dk);font-size:11px;font-weight:800;letter-spacing:.03em}.ftr{padding-top:58px}
}

/* ============================================================
   视觉重构 V3 · 企业正式Logo / 精简首页 / 图片系统重制
   ============================================================ */
body.visual-v3{
  --ink:#06243a; --navy:#0a2d49; --accent:#16a4d8; --accent-dk:#0878aa;
  --accent-lt:#e9f7fc; --bg:#f4f7fa; --text:#263845; --muted:#647986;
  --line:#dce7ed; --radius:18px; --shadow:0 18px 46px rgba(6,36,58,.09);
  --maxw:1220px; background:var(--bg); color:var(--text);
  font-family:Inter,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.65; letter-spacing:0;
}
.visual-v3 .preview-bar{display:none}
.visual-v3 h1,.visual-v3 h2,.visual-v3 h3,.visual-v3 h4{letter-spacing:-.025em}
.visual-v3 p{letter-spacing:0}
.visual-v3 .hdr{background:rgba(255,255,255,.95);border-color:rgba(6,36,58,.09)}
.visual-v3 .hdr-in{height:78px;gap:22px}
.visual-v3 .logo{width:190px;height:48px;display:flex;align-items:center;justify-content:flex-start}
.visual-v3 .logo img{width:184px;height:44px;object-fit:contain;object-position:left center}
.visual-v3 .logo::before,.visual-v3 .ftr .brand::before{display:none!important;content:none!important}
.visual-v3 .ftr .brand{display:flex!important;align-items:center!important;grid-template-columns:none!important}
.visual-v3 .nav{gap:21px}
.visual-v3 .nav a{font-size:14px;font-weight:550}
.visual-v3 .nav>.btn{padding:10px 16px;border-radius:10px}
.visual-v3 .btn{border-radius:11px;padding:12px 21px;box-shadow:none}
.visual-v3 section{padding:84px 0}
.visual-v3 .sec-head{max-width:680px;margin-bottom:34px}
.visual-v3 .sec-head h2{font-size:clamp(28px,3vw,42px);margin-bottom:10px}
.visual-v3 .sec-head p{font-size:16px;line-height:1.7;max-width:42em}
.visual-v3 .kicker,.visual-v3 .eyebrow{color:var(--accent-dk);font-size:12px;letter-spacing:.15em;font-weight:800}

/* 首页 Hero：控制为一句主张、一句说明、两项动作 */
.visual-v3 .hero-v3{background:var(--ink);padding:72px 0 68px;min-height:720px}
.visual-v3 .hero-v3::before{display:none}
.visual-v3 .hero-v3::after{background:
  radial-gradient(circle at 82% 18%,rgba(22,164,216,.22),transparent 31%),
  linear-gradient(112deg,#052338 0%,#072d48 52%,#0a3b5b 100%);opacity:1}
.visual-v3 .hero-v3 .hero-grid{grid-template-columns:minmax(0,1fr) minmax(420px,.92fr);gap:68px;align-items:center}
.visual-v3 .hero-v3 h1{font-size:clamp(40px,5vw,64px);line-height:1.1;margin:0 0 22px;max-width:10em;font-weight:760}
.visual-v3 .hero-v3 p{max-width:36em;font-size:17px;line-height:1.7;margin:0 0 28px;color:#c8d8e2}
.visual-v3 .hero-v3 .hero-company{margin:0 0 12px;color:#fff;font-size:15px;font-weight:760;line-height:1.45;letter-spacing:.025em}
.visual-v3 .hero-v3 .eyebrow{color:#59c7ed;margin-bottom:18px}
.visual-v3 .hero-v3 .hero-img{position:relative;border-radius:24px;box-shadow:0 34px 80px rgba(0,0,0,.34);aspect-ratio:14/10;transform:none}
.visual-v3 .hero-v3 .hero-img img{width:100%;height:100%;object-fit:cover}
.visual-v3 .hero-v3 .hero-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 58%,rgba(5,35,56,.78));backdrop-filter:none;pointer-events:none}
.visual-v3 .hero-caption{position:absolute;left:24px;bottom:20px;z-index:2;color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em}
.visual-v3 .hero-proof-v3{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 0;padding:0;list-style:none}
.visual-v3 .hero-proof-v3 li{border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);border-radius:999px;padding:7px 12px;color:#d9e7ee;font-size:12.5px}
[lang="ru"] .visual-v3 .hero-v3 h1{font-size:clamp(36px,4.25vw,55px);max-width:12em}

/* 首页数据、产品与应用 */
.visual-v3 .stats-v3{background:#fff;border-bottom:1px solid var(--line)}
.visual-v3 .stats-v3 .stats-in{grid-template-columns:repeat(3,1fr);background:#fff}
.visual-v3 .stats-v3 .stat{background:#fff;padding:24px 18px;border-right:1px solid var(--line);text-align:left}
.visual-v3 .stats-v3 .stat:last-child{border-right:0}
.visual-v3 .stats-v3 .stat b{color:var(--navy);font-size:23px}
.visual-v3 .stats-v3 .stat span{color:var(--muted);font-size:12.5px}
.visual-v3 .core-products{background:#f4f7fa!important}
.visual-v3 .core-products .g3{gap:22px}
.visual-v3 .core-products .card{border:0;border-radius:20px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.visual-v3 .core-products .card:hover{transform:translateY(-5px);box-shadow:0 24px 60px rgba(6,36,58,.13)}
.visual-v3 .core-products .card-img{aspect-ratio:4/3}
.visual-v3 .core-products .card-body{padding:23px 24px 25px}
.visual-v3 .core-products .card-body h3{font-size:19px;line-height:1.42;margin-bottom:9px}
.visual-v3 .core-products .card-body p{font-size:14px;line-height:1.65;min-height:3.3em}
.visual-v3 .core-products .specs{display:none}
.visual-v3 .core-products .card-link{margin-top:10px;color:var(--accent-dk)}
.visual-v3 .application-section{background:#fff}
.visual-v3 .applications-visual{height:410px;width:100%;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
.visual-v3 .application-pills{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px}
.visual-v3 .application-pills span{display:flex;align-items:center;min-height:50px;background:#f4f8fb;border:1px solid var(--line);border-radius:12px;padding:12px 15px;color:var(--navy);font-size:13px;font-weight:650}
.visual-v3 .decision-section{background:#082a43;padding:76px 0}
.visual-v3 .decision-section .sec-head h2{color:#fff}
.visual-v3 .decision-section .sec-head p{color:#a9bfcc}
.visual-v3 .decision-section .kicker{color:#5ac9ee}
.visual-v3 .decision-card{border:1px solid rgba(255,255,255,.11);background:rgba(255,255,255,.055);box-shadow:none;border-radius:16px;padding:26px}
.visual-v3 .decision-card b{color:#5ac9ee}
.visual-v3 .decision-card h3{color:#fff;font-size:18px}
.visual-v3 .decision-card p{color:#a9bfcc;font-size:14px}
.visual-v3 .home-quality .split{gap:64px}
.visual-v3 .home-quality .split>div{max-width:500px}
.visual-v3 .home-quality .split img{border-radius:22px;min-height:390px;width:100%;object-fit:cover}
.visual-v3 .home-quality .checks{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;margin:22px 0 28px}
.visual-v3 .home-quality .checks li{font-size:13.5px;margin:0}

/* CMP是补充线：视觉明确、权重低于SiC主产品 */
.visual-v3 .cmp-teaser{padding:72px 0;background:#eef5f8}
.visual-v3 .cmp-panel{background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:none;overflow:hidden}
.visual-v3 .cmp-copy{padding:42px 44px}
.visual-v3 .cmp-copy h2{font-size:32px}
.visual-v3 .cmp-copy p{font-size:14px;line-height:1.72;max-width:48em}
.visual-v3 .cmp-visual.cmp-photo{background:#eaf1f6;overflow:hidden;min-height:340px}
.visual-v3 .cmp-visual.cmp-photo::before,.visual-v3 .cmp-visual.cmp-photo::after{display:none}
.visual-v3 .cmp-visual.cmp-photo img{width:100%;height:100%;min-height:340px;object-fit:cover}
.visual-v3 .cmp-detail .cmp-visual.cmp-photo img{min-height:430px}

/* 内页统一修整 */
.visual-v3 .page-head{background:linear-gradient(118deg,#06243a,#0a3a59);padding:62px 0 58px}
.visual-v3 .page-head h1{font-size:clamp(34px,4vw,50px);letter-spacing:-.03em}
.visual-v3 .page-head p{max-width:56em;line-height:1.72}
.visual-v3 .page-meta span{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.15)}
.visual-v3 .card,.visual-v3 .tile,.visual-v3 .table-wrap,.visual-v3 .split img{border-radius:16px}
.visual-v3 .table-wrap{box-shadow:0 14px 40px rgba(6,36,58,.06)}
.visual-v3 .cta-band{background:linear-gradient(110deg,#06243a,#0b405e);padding:58px 0}
.visual-v3 .ftr{background:#041b2b}
.visual-v3 .ftr .brand{height:48px;display:flex;align-items:center}
.visual-v3 .ftr .brand img{width:186px;height:44px;object-fit:contain;object-position:left center}

@media (max-width:1080px){
  .visual-v3 .nav{gap:14px}.visual-v3 .nav a{font-size:13px}.visual-v3 .logo{width:166px}.visual-v3 .logo img{width:160px}
  .visual-v3 .hero-v3 .hero-grid{grid-template-columns:1fr .88fr;gap:38px}
}
@media (max-width:820px){
  .visual-v3 .hdr-in{height:70px}.visual-v3 .logo{width:168px}.visual-v3 .logo img{width:162px}
  .visual-v3 .hero-v3{padding:56px 0 52px;min-height:0}.visual-v3 .hero-v3 .hero-grid{grid-template-columns:1fr;gap:34px}
  .visual-v3 .hero-v3 h1,[lang="ru"] .visual-v3 .hero-v3 h1{font-size:clamp(36px,10vw,49px);max-width:11em}
  .visual-v3 .hero-v3 .hero-img{max-width:none;width:100%;aspect-ratio:4/3}
  .visual-v3 .stats-v3 .stats-in{grid-template-columns:1fr}.visual-v3 .stats-v3 .stat{border-right:0;border-bottom:1px solid var(--line);padding:18px 22px}
  .visual-v3 section{padding:64px 0}.visual-v3 .core-products .g3{grid-template-columns:1fr}.visual-v3 .application-pills{grid-template-columns:1fr 1fr}
  .visual-v3 .applications-visual{height:300px}.visual-v3 .cmp-copy{padding:32px 26px}.visual-v3 .home-quality .split{grid-template-columns:1fr;gap:34px}
}
@media (max-width:540px){
  .visual-v3 .wrap{padding:0 18px}.visual-v3 section{padding:54px 0}
  .visual-v3 .hero-v3{padding:46px 0}.visual-v3 .hero-v3 h1,[lang="ru"] .visual-v3 .hero-v3 h1{font-size:36px}
  .visual-v3 .hero-v3 .hero-company{font-size:13.5px;margin-bottom:10px}.visual-v3 .hero-v3 p{font-size:15px}.visual-v3 .hero-btns .btn{width:100%}.visual-v3 .hero-proof-v3{gap:6px}
  .visual-v3 .application-pills{grid-template-columns:1fr}.visual-v3 .applications-visual{height:235px}
  .visual-v3 .home-quality .checks{grid-template-columns:1fr}.visual-v3 .cmp-copy h2{font-size:27px}
  .visual-v3 .logo{width:154px}.visual-v3 .logo img{width:150px}
}

/* ============================================================
   V4 · SiC与CMP双产品线分区 / 独立应用选型 / 交付场景重制
   ============================================================ */
body.visual-v4{--cmp:#b85f43;--cmp-dark:#7f3d2d;--cmp-light:#fff2ed}
.visual-v4 .hero-btns{display:flex;gap:10px;flex-wrap:wrap}
.visual-v4 .hero-btns .btn-cmp{border-color:rgba(255,255,255,.44);background:rgba(255,255,255,.07);color:#fff}
.visual-v4 .hero-btns .btn-cmp:hover{background:#fff;color:var(--cmp-dark)}
.visual-v4 .line-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:34px}
.visual-v4 .line-head>div{max-width:720px}
.visual-v4 .line-head h2{font-size:clamp(30px,3.2vw,44px);line-height:1.16;margin:8px 0 10px;color:var(--navy)}
.visual-v4 .line-head p{margin:0;color:var(--muted);font-size:16px;line-height:1.72}
.visual-v4 .line-label{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-dk)}
.visual-v4 .line-label::before{content:"";width:26px;height:2px;background:currentColor}
.visual-v4 .cmp-family .line-label,.visual-v4 .cmp-line .line-label{color:var(--cmp)}
.visual-v4 .line-index{font-size:12px;font-weight:800;letter-spacing:.12em;color:#90a2ad;white-space:nowrap}
.visual-v4 .v4-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.visual-v4 .v4-product-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:0 16px 42px rgba(6,36,58,.07);display:flex;flex-direction:column}
.visual-v4 .v4-product-card img{width:100%;aspect-ratio:3/2;object-fit:cover;background:#e8eff3}
.visual-v4 .v4-product-card .card-copy{padding:23px 24px 25px;display:flex;flex-direction:column;flex:1}
.visual-v4 .v4-product-card h3{font-size:19px;line-height:1.42;margin:0 0 9px;color:var(--navy)}
.visual-v4 .v4-product-card p{font-size:14px;line-height:1.68;margin:0;color:var(--muted)}
.visual-v4 .v4-product-card .card-link{margin-top:auto;padding-top:17px;color:var(--accent-dk);font-size:13px;font-weight:800}
.visual-v4 .cmp-family,.visual-v4 .cmp-line{background:linear-gradient(180deg,#fff 0%,#fff8f5 100%)}
.visual-v4 .cmp-family .v4-product-card,.visual-v4 .cmp-line .v4-product-card{border-color:#ead5cc;box-shadow:0 16px 42px rgba(92,47,34,.07)}
.visual-v4 .cmp-family .v4-product-card .card-link,.visual-v4 .cmp-line .v4-product-card .card-link{color:var(--cmp-dark)}
.visual-v4 .family-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.visual-v4 .family-list span{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#405765;font-size:12.5px;font-weight:650}
.visual-v4 .cmp-family .family-list span{border-color:#ead5cc;background:var(--cmp-light);color:var(--cmp-dark)}
.visual-v4 .v4-home-apps{background:#fff}
.visual-v4 .dual-app-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.visual-v4 .app-family-card{border:1px solid var(--line);border-radius:22px;overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.visual-v4 .app-family-card.cmp-app{border-color:#ead5cc}
.visual-v4 .app-family-card img{width:100%;height:310px;object-fit:cover;display:block}
.visual-v4 .app-family-card .app-copy{padding:27px 28px 29px}
.visual-v4 .app-family-card h3{font-size:24px;margin:7px 0 9px;color:var(--navy)}
.visual-v4 .app-family-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.visual-v4 .app-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:17px}
.visual-v4 .app-tags span{padding:7px 10px;border-radius:9px;background:#edf7fb;color:#176887;font-size:12px;font-weight:700}
.visual-v4 .cmp-app .app-tags span{background:var(--cmp-light);color:var(--cmp-dark)}
.visual-v4 .selection-page{background:#f3f7f9}
.visual-v4 .selection-stack{display:grid;gap:26px}
.visual-v4 .selection-group{overflow:hidden;border:1px solid #d6e3e9;border-radius:22px;background:#fff;box-shadow:0 16px 44px rgba(6,36,58,.06)}
.visual-v4 .selection-group.cmp-selection{border-color:#ead5cc}
.visual-v4 .selection-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:28px;padding:30px 32px 25px;border-bottom:1px solid #e3ebef;background:linear-gradient(135deg,#f8fcfd,#eef7fa)}
.visual-v4 .cmp-selection .selection-heading{border-color:#f0ded6;background:linear-gradient(135deg,#fffaf8,#fff1eb)}
.visual-v4 .selection-heading>div{max-width:760px}
.visual-v4 .selection-heading h2{margin:7px 0 8px;color:var(--navy);font-size:clamp(25px,2.6vw,34px);line-height:1.2}
.visual-v4 .selection-heading p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.visual-v4 .selection-heading .btn{flex:0 0 auto;margin-top:5px}
.visual-v4 .selection-table{padding:8px 32px 12px}
.visual-v4 .selection-row{display:grid;grid-template-columns:minmax(190px,.82fr) minmax(210px,.9fr) minmax(280px,1.28fr);align-items:center;gap:24px;padding:20px 0;border-bottom:1px solid #e8eef1}
.visual-v4 .selection-row:last-child{border-bottom:0}
.visual-v4 .selection-row.header{padding:14px 0 11px;color:#7a8d98;font-size:11px;font-weight:800;letter-spacing:.09em;text-transform:uppercase}
.visual-v4 .selection-row strong{color:var(--navy);font-size:14px;line-height:1.55}
.visual-v4 .selection-product{justify-self:start;padding:7px 10px;border-radius:8px;background:#eaf6fa;color:#126986;font-size:12.5px;font-weight:800;line-height:1.45}
.visual-v4 .cmp-selection .selection-product{background:var(--cmp-light);color:var(--cmp-dark)}
.visual-v4 .selection-focus{color:#5d717d;font-size:13px;line-height:1.65}
.visual-v4 .selection-note{display:flex;align-items:flex-start;gap:10px;margin-top:20px;padding:16px 18px;border:1px solid #dbe6eb;border-radius:13px;background:#fff;color:#506773;font-size:13px;line-height:1.65}
.visual-v4 .selection-note::before{content:"i";display:grid;place-items:center;flex:0 0 20px;width:20px;height:20px;margin-top:1px;border-radius:50%;background:var(--navy);color:#fff;font-size:11px;font-weight:800}
.visual-v4 .scene-note{display:inline-flex;margin-top:12px;padding:5px 9px;border-radius:7px;background:rgba(6,36,58,.06);color:#6b7f8a;font-size:11px}
.visual-v4 .home-quality .checks{grid-template-columns:1fr 1fr}
.visual-v4 .v4-process{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:28px}
.visual-v4 .v4-step{position:relative;border:1px solid var(--line);background:#fff;border-radius:15px;padding:20px 17px;min-height:145px}
.visual-v4 .v4-step b{display:block;color:var(--accent-dk);font-size:12px;letter-spacing:.1em;margin-bottom:12px}
.visual-v4 .v4-step h3{font-size:16px;line-height:1.35;margin:0 0 7px;color:var(--navy)}
.visual-v4 .v4-step p{font-size:12.5px;line-height:1.6;margin:0;color:var(--muted)}
.visual-v4 .v4-wide-media{width:100%;height:440px;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}
.visual-v4 .v4-two-col{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(380px,.95fr);gap:58px;align-items:center}
.visual-v4 .v4-two-col.reverse{grid-template-columns:minmax(380px,.95fr) minmax(0,1.05fr)}
.visual-v4 .v4-copy h2{font-size:clamp(29px,3vw,42px);line-height:1.2;color:var(--navy);margin:8px 0 14px}
.visual-v4 .v4-copy p{color:var(--muted);line-height:1.75;margin:0 0 16px}
.visual-v4 .v4-checks{display:grid;grid-template-columns:1fr 1fr;gap:9px 14px;margin:21px 0 0;padding:0;list-style:none}
.visual-v4 .v4-checks li{position:relative;padding-left:18px;font-size:13px;color:#405765}
.visual-v4 .v4-checks li::before{content:"";position:absolute;left:0;top:.65em;width:7px;height:7px;border-radius:50%;background:var(--accent)}
.visual-v4 .cmp-family .v4-checks li::before{background:var(--cmp)}
.visual-v4 .delivery-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:26px}
.visual-v4 .delivery-item{border:1px solid var(--line);border-radius:16px;background:#fff;padding:22px}
.visual-v4 .delivery-item h3{font-size:16px;margin:0 0 7px;color:var(--navy)}
.visual-v4 .delivery-item p{font-size:13px;margin:0;color:var(--muted);line-height:1.65}
.visual-v4 .quality-lead{background:#f2f7fa}
.visual-v4 .cmp-capability{background:#fff8f5}
.visual-v4 .cmp-capability .v4-copy .line-label{color:var(--cmp)}
.visual-v4 .page-head .family-switch{display:flex;gap:8px;flex-wrap:wrap;margin-top:22px}
.visual-v4 .page-head .family-switch a{display:inline-flex;padding:8px 12px;border:1px solid rgba(255,255,255,.18);border-radius:9px;background:rgba(255,255,255,.07);color:#fff;font-size:12px;font-weight:750}
.visual-v4 .page-head .family-switch a:last-child{border-color:rgba(232,155,124,.48);color:#ffd9c9}
.visual-v4 .cmp-detail-v4 .page-head{background:linear-gradient(118deg,#2c2630,#6d382d)}
.visual-v4 .cmp-detail-v4 .page-meta span{border-color:rgba(255,217,201,.24)}

@media (max-width:900px){
  .visual-v4 .v4-card-grid,.visual-v4 .dual-app-grid{grid-template-columns:1fr}
  .visual-v4 .v4-two-col,.visual-v4 .v4-two-col.reverse{grid-template-columns:1fr;gap:32px}
  .visual-v4 .v4-process{grid-template-columns:1fr 1fr}
  .visual-v4 .v4-wide-media{height:340px}
  .visual-v4 .app-family-card img{height:300px}
}
@media (max-width:540px){
  .visual-v4 .hero-btns{display:grid;grid-template-columns:1fr}
  .visual-v4 .line-head{display:block}.visual-v4 .line-index{display:block;margin-top:14px}
  .visual-v4 .v4-process,.visual-v4 .v4-checks,.visual-v4 .delivery-grid,.visual-v4 .home-quality .checks{grid-template-columns:1fr}
  .visual-v4 .v4-wide-media,.visual-v4 .app-family-card img{height:235px}
  .visual-v4 .v4-product-card .card-copy,.visual-v4 .app-family-card .app-copy{padding:21px}
  .visual-v4 .selection-heading{display:block;padding:24px 21px 21px}.visual-v4 .selection-heading .btn{margin-top:18px;width:100%}
  .visual-v4 .selection-table{padding:4px 21px 10px}.visual-v4 .selection-row{grid-template-columns:1fr;gap:8px;padding:18px 0}.visual-v4 .selection-row.header{display:none}
  .visual-v4 .selection-product{margin:1px 0}.visual-v4 .selection-focus{font-size:12.5px}.visual-v4 .selection-note{margin-top:16px}
}


/* Production image normalization */
img{height:auto}
.visual-v3 .hero-v3 .eyebrow,.visual-v4 .line-label{text-transform:none}
.visual-v4 .sic-family .card-img{aspect-ratio:3/2}
.visual-v4 .v4-product-card img{width:100%;height:220px;aspect-ratio:auto;object-fit:cover}
.visual-v3 .split>img:not(.v4-wide-media){width:100%;aspect-ratio:4/3;object-fit:cover}
.visual-v3 .split>div:last-child:has(>img:nth-child(2)){
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;align-self:start
}
.visual-v3 .split>div:last-child:has(>img:nth-child(2))>img{
  width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;margin:0!important
}
.visual-v3 .split>div:last-child:has(>img:nth-child(3))>img:first-child{
  grid-column:1/-1;aspect-ratio:16/9
}
@media(max-width:640px){
  .visual-v4 .v4-product-card img{height:210px}
  body[data-route$="/contacts"]{padding-bottom:0}
  body[data-route$="/contacts"] .mobile-cta{display:none!important}
  .visual-v3 .split>div:last-child:has(>img:nth-child(2)){grid-template-columns:1fr;gap:14px}
  .visual-v3 .split>div:last-child:has(>img:nth-child(2))>img,
  .visual-v3 .split>div:last-child:has(>img:nth-child(3))>img:first-child{
    grid-column:auto;aspect-ratio:3/2
  }
  .table-wrap table,.table-wrap tbody,.table-wrap tr,.table-wrap td{
    min-width:0!important;max-width:100%
  }
}