/* ============================================================
   行业样板：半导体 / 科技（参考 twsc.com.cn 的展示方式复刻）
   - 仅作用于 body.semi，不影响其它站与其它模板
   - 结构：全屏Banner → 四格产品 → 全宽方案 → 新闻双栏 → 关于+数据
   - 配色沿用 v3 令牌，另加本项目局部变量
   ============================================================ */
.semi{
  --semi-brand:#003592;
  --semi-brand-d:#001b4d;
  --semi-accent:#007aff;
  --semi-soft:#f7f8f9;
  --semi-ink:#1a2233;
  --semi-muted:#666;
  --semi-line:#e8ebf0;
  --semi-radius:14px;
  background:#fff;
  color:var(--semi-ink);
  overflow-x:hidden;
  max-width:100%;
}
/* 防止长内容把容器撑宽导致横向溢出（移动端按钮出界/文字被裁的根因） */
.semi-hero-inner,.semi-hero-copy,.semi-about-copy,.semi-news-grid{min-width:0}
.semi-news-list a,.semi-news-list a .t{min-width:0;word-break:break-word}
.semi-lead,.semi-about-text{word-break:break-word}
.semi .container{max-width:1320px;margin:0 auto;padding:0 28px}
.semi a{text-decoration:none}

/* ---------- 演示条 ---------- */
.semi-demo-bar{background:#0b1730;color:rgba(255,255,255,.86);font-size:13px;line-height:1.5}
.semi-demo-inner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;padding:10px 22px}
.semi-demo-inner b{color:#fff}
.semi-back{color:#fff;background:rgba(255,255,255,.16);padding:6px 14px;border-radius:8px;white-space:nowrap;transition:background .2s}
.semi-back:hover{background:rgba(255,255,255,.28)}

/* ---------- 通用按钮 ---------- */
.semi-btn{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 28px;border-radius:10px;font-weight:600;font-size:15px;font-family:inherit;border:0;cursor:pointer;transition:transform .18s ease,background .18s ease,box-shadow .18s ease}
.semi-btn-primary{background:var(--semi-accent);color:#fff;box-shadow:0 10px 26px rgba(0,122,255,.34)}
.semi-btn-primary:hover{transform:translateY(-2px);background:#0069db}
.semi-btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.35)}
.semi-btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-2px)}

/* ---------- 区块标题 ---------- */
.semi-sec-head{text-align:center;margin-bottom:52px}
.semi-sec-head h2{font-size:36px;font-weight:800;letter-spacing:-.01em;margin:0 0 12px;color:var(--semi-ink)}
.semi-sec-head p{margin:0;color:var(--semi-muted);font-size:16px}
.semi-sec-head.light h2{color:#fff}
.semi-sec-head.light p{color:rgba(255,255,255,.72)}

/* ---------- 1. 全屏 Banner ---------- */
.semi-hero{position:relative;overflow:hidden;background:linear-gradient(120deg,#001b4d 0%,#003592 58%,#0b4fb0 100%);color:#fff}
.semi-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(circle at 30% 40%,#000 0%,transparent 78%);-webkit-mask-image:radial-gradient(circle at 30% 40%,#000 0%,transparent 78%);pointer-events:none}
.semi-hero-inner{position:relative;z-index:2;max-width:1320px;margin:0 auto;padding:64px 28px;display:flex;align-items:center;gap:48px;min-height:600px}
.semi-hero-copy{flex:1 1 56%;min-width:0}
.semi-kicker{margin:0 0 18px;font-size:13px;letter-spacing:.22em;color:#8db4ff;font-weight:600}
.semi-hero-copy h1{margin:0 0 22px;font-size:clamp(38px,5vw,60px);line-height:1.08;font-weight:800;letter-spacing:-.02em}
.semi-hero-copy h1 .dot{color:var(--semi-accent);margin:0 6px}
.semi-lead{margin:0 0 32px;max-width:540px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.82)}
.semi-hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.semi-hero-stats{display:flex;gap:46px;margin:0;padding:0;list-style:none;border-top:1px solid rgba(255,255,255,.16);padding-top:26px}
.semi-hero-stats b{display:block;font-size:30px;font-weight:800;color:#fff;line-height:1.1}
.semi-hero-stats b sup{font-size:15px;color:var(--semi-accent);margin-left:2px}
.semi-hero-stats > li > span{font-size:13px;color:rgba(255,255,255,.66)}

/* 芯片图形 */
.semi-hero-visual{flex:0 0 40%;display:flex;justify-content:center;align-items:center;min-height:320px}
.chip{position:relative;width:210px;height:210px;border-radius:26px;background:linear-gradient(135deg,#0a2f7a,#0050c8);box-shadow:0 30px 70px rgba(0,20,70,.55),inset 0 0 0 1px rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;animation:semiFloat 6s ease-in-out infinite}
.chip-core{width:96px;height:96px;border-radius:14px;background:linear-gradient(135deg,#003592,#007aff);box-shadow:inset 0 0 24px rgba(0,0,0,.4),0 0 34px rgba(0,122,255,.55)}
.chip-pin{position:absolute;background:rgba(160,200,255,.55);border-radius:3px}
.chip-pin.p1{width:8px;height:34px;left:-14px;top:88px;box-shadow:-18px 0 0 rgba(160,200,255,.35)}
.chip-pin.p2{width:8px;height:34px;right:-14px;top:88px;box-shadow:18px 0 0 rgba(160,200,255,.35)}
.chip-pin.p3{height:8px;width:34px;top:-14px;left:88px;box-shadow:0 -18px 0 rgba(160,200,255,.35)}
.chip-pin.p4{height:8px;width:34px;bottom:-14px;left:88px;box-shadow:0 18px 0 rgba(160,200,255,.35)}
@keyframes semiFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}

/* ---------- 2. 四格产品分类 ---------- */
.semi-products{background:var(--semi-soft);padding:100px 0}
.semi-cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.semi-cat{background:#fff;border:1px solid var(--semi-line);border-radius:var(--semi-radius);padding:32px 26px 28px;display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.semi-cat:hover{transform:translateY(-8px);box-shadow:0 26px 48px rgba(0,53,146,.14);border-color:#cdd8ee}
.semi-cat-ico{width:52px;height:52px;border-radius:13px;margin-bottom:24px;background-repeat:no-repeat;background-position:center;background-size:30px 30px}
.semi-cat-ico.i1{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'%3E%3Crect x='7' y='7' width='14' height='14' rx='2'/%3E%3Cpath d='M10 2v5M14 2v5M18 2v5M10 21v5M14 21v5M18 21v5M2 10h5M2 14h5M2 18h5M21 10h5M21 14h5M21 18h5'/%3E%3C/svg%3E");background-color:#0050c8}
.semi-cat-ico.i2{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'%3E%3Crect x='2' y='9' width='24' height='10' rx='2'/%3E%3Cpath d='M7 9v10M11 19v3M17 19v3M21 9v10'/%3E%3C/svg%3E");background-color:#0069db}
.semi-cat-ico.i3{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'%3E%3Crect x='5' y='5' width='18' height='18' rx='3'/%3E%3Crect x='11' y='11' width='6' height='6' rx='1'/%3E%3C/svg%3E");background-color:#003592}
.semi-cat-ico.i4{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='28' height='28' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'%3E%3Crect x='3' y='6' width='22' height='16' rx='3'/%3E%3Cpath d='M7 11h6M17 11h4M7 15h4M15 15h6'/%3E%3C/svg%3E");background-color:#0a7bd8}
.semi-cat h3{margin:0 0 10px;font-size:19px;font-weight:700;color:var(--semi-ink)}
.semi-cat p{margin:0 0 20px;font-size:14px;line-height:1.7;color:var(--semi-muted);flex:1}
.semi-cat em{font-style:normal;font-size:13px;font-weight:600;color:var(--semi-accent)}

/* ---------- 3. 全宽行业方案 ---------- */
.semi-solutions{background:linear-gradient(180deg,#002a74,#003592);padding:100px 0;color:#fff}
.semi-sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.semi-sol{position:relative;min-height:340px;border-radius:var(--semi-radius);overflow:hidden;display:flex;align-items:flex-end;box-shadow:0 22px 44px rgba(0,10,40,.4);transition:transform .22s ease}
.semi-sol:hover{transform:translateY(-8px)}
.semi-sol.s1{background:linear-gradient(160deg,#0b3f9e,#0a63c8 60%,#1e88e5)}
.semi-sol.s2{background:linear-gradient(160deg,#123a86,#1f56b8 60%,#2f7ad6)}
.semi-sol.s3{background:linear-gradient(160deg,#062a63,#0a4391 60%,#0e63b8)}
.semi-sol::after{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 78% 22%,rgba(255,255,255,.22),transparent 46%),repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 2px,transparent 2px 22px)}
.semi-sol-body{position:relative;z-index:2;padding:30px 28px;background:linear-gradient(180deg,transparent,rgba(0,10,40,.55))}
.semi-sol-body h3{margin:0 0 10px;font-size:23px;font-weight:700}
.semi-sol-body p{margin:0 0 16px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.84)}
.semi-sol-more{font-size:13px;font-weight:600;color:#bfe0ff;border-bottom:1px solid #bfe0ff;padding-bottom:2px}

/* ---------- 4. 新闻双栏 ---------- */
.semi-news{background:#fff;padding:100px 0}
.semi-news-head{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:38px;flex-wrap:wrap}
.semi-news-head h2{margin:0 0 8px;font-size:32px;font-weight:800;color:var(--semi-ink)}
.semi-news-head p{margin:0;color:var(--semi-muted);font-size:15px}
.semi-more-link{color:var(--semi-brand);font-weight:600;font-size:14px}
.semi-news-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:start}
.semi-news-feature{display:block;border-radius:var(--semi-radius);overflow:hidden;border:1px solid var(--semi-line);transition:box-shadow .22s ease,transform .22s ease}
.semi-news-feature:hover{box-shadow:0 22px 44px rgba(0,53,146,.14);transform:translateY(-4px)}
.semi-news-photo{display:block;height:250px;background:url(/Public/img/news-default.jpg) center/cover no-repeat,linear-gradient(135deg,#003592,#007aff)}
.semi-news-meta{display:flex;align-items:center;gap:14px;padding:20px 22px 0}
.semi-news-meta .tag{background:#eaf2ff;color:var(--semi-brand);font-size:12px;font-weight:600;padding:3px 10px;border-radius:6px}
.semi-news-meta time{color:#5F7180;font-size:13px}
.semi-news-feature h3{margin:12px 22px 8px;font-size:20px;line-height:1.5;font-weight:700;color:var(--semi-ink)}
.semi-news-feature p{margin:0 22px 22px;font-size:14px;line-height:1.7;color:var(--semi-muted)}
.semi-news-list{list-style:none;margin:0;padding:0}
.semi-news-list li{border-bottom:1px solid var(--semi-line)}
.semi-news-list li:first-child{border-top:1px solid var(--semi-line)}
.semi-news-list a{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:20px 6px;transition:background .18s}
.semi-news-list a:hover{background:var(--semi-soft)}
.semi-news-list .t{font-size:15px;color:#2a3346;line-height:1.5;transition:color .18s}
.semi-news-list a:hover .t{color:var(--semi-brand)}
.semi-news-list time{color:#5F7180;font-size:13px;white-space:nowrap}

/* ---------- 5. 关于 + 数据 ---------- */
.semi-about{background:var(--semi-soft);padding:100px 0}
.semi-about-grid{display:flex;align-items:center;gap:64px}
.semi-about-copy{flex:1 1 50%;min-width:0}
.semi-data{flex:1 1 50%}
.semi-about-copy .semi-kicker{color:var(--semi-accent);margin-bottom:16px}
.semi-about-copy h2{margin:0 0 20px;font-size:34px;line-height:1.28;font-weight:800;color:var(--semi-ink)}
.semi-about-text{margin:0 0 28px;font-size:15.5px;line-height:1.85;color:var(--semi-muted)}
.semi-data{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--semi-line);border-radius:var(--semi-radius);overflow:hidden}
.semi-data li{background:#fff;padding:34px 26px;text-align:center}
.semi-data .num b{font-size:44px;font-weight:800;color:var(--semi-brand);line-height:1}
.semi-data .num b sup{font-size:20px;color:var(--semi-accent);margin-left:2px}
.semi-data p{margin:12px 0 0;font-size:14px;color:var(--semi-muted)}

/* ---------- 合作客户（图片卡片式 LOGO 墙） ---------- */
.semi-clients{background:#fff;padding:84px 0;border-top:1px solid var(--semi-line)}
.semi-client-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;list-style:none;margin:0;padding:0}
.semi-client-grid li{display:flex;align-items:center;justify-content:center;height:88px;border:1px solid var(--semi-line);border-radius:12px;background:#fff;color:#8a94a6;font-size:18px;font-weight:700;letter-spacing:.06em;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,color .2s ease}
.semi-client-grid li:hover{color:var(--semi-brand);border-color:#cdd8ee;box-shadow:0 14px 30px rgba(0,53,146,.09);transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .semi-hero-inner{flex-direction:column;gap:32px;min-height:auto;padding-top:56px;padding-bottom:56px}
  .semi-hero-visual{min-height:200px;order:2}
  .chip{width:170px;height:170px}
  .semi-cat-grid{grid-template-columns:1fr 1fr}
  .semi-sol-grid{grid-template-columns:1fr}
  .semi-news-grid{grid-template-columns:1fr}
  .semi-about-grid{flex-direction:column;gap:40px}
  .semi-client-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:600px){
  .semi-products,.semi-solutions,.semi-news,.semi-about{padding:60px 0}
  .semi-cat-grid{grid-template-columns:1fr}
  .semi-hero-inner{padding:40px 18px}
  .semi-hero-copy h1{font-size:28px;line-height:1.3;word-break:break-word}
  .semi-lead{font-size:15px}
  .semi-hero-stats{gap:22px;flex-wrap:wrap;padding-top:20px}
  .semi-hero-stats b{font-size:24px}
  .semi-sec-head h2,.semi-news-head h2,.semi-about-copy h2{font-size:26px}
  .semi-data .num b{font-size:34px}
  .semi-client-grid{grid-template-columns:repeat(2,1fr)}
  .semi-client-grid li{height:72px;font-size:15px}
}


/* ============================================================
   移动端展示优化（2026-10-26）
   ============================================================ */
@media(max-width:880px){
  body.home-hero .semi-hero{min-height:auto}
  body.home-hero .semi-hero-inner{min-height:auto;padding:104px 24px 72px;gap:28px}
  .semi-hero-visual{display:none}
  .semi-hero-copy{width:100%;max-width:100%}
  .semi-lead{max-width:100%;overflow-wrap:anywhere}
  .semi-hero-copy h1{font-size:32px;line-height:1.25}
  .semi-hero-actions{gap:12px;margin-bottom:30px}
  .semi-btn{height:44px;padding:0 20px;font-size:14px}
  .semi-hero-stats{gap:20px;padding-top:22px}
  .semi-hero-stats b{font-size:26px}
  .semi-hero-stats > li > span{font-size:12px}
  .semi-sec-head{margin-bottom:34px}
  .semi-products,.semi-solutions,.semi-news,.semi-about,.semi-clients{padding:64px 0}
  .semi-sol-track .semi-sol{flex-basis:84vw;min-height:320px}
  .semi-news-photo{height:200px}
  .semi-news-feature h3{margin:10px 18px 6px;font-size:18px}
  .semi-news-feature p{margin:0 18px 18px}
  .semi-news-meta{padding:16px 18px 0}
  .semi-about-grid{gap:30px}
  .semi-data li{padding:26px 16px}
  .semi-sol-body{padding:24px 20px}
}
@media(max-width:600px){
  body.home-hero .semi-hero-inner{padding:96px 22px 64px}
  .semi-hero-copy h1{font-size:29px}
  .semi-lead{font-size:14.5px;line-height:1.75}
  .semi-hero-actions .semi-btn{flex:1 1 auto}
  .semi-hero-stats{gap:16px 22px}
  .semi-hero-stats b{font-size:24px}
  .semi-cat-track .semi-cat{flex-basis:84vw}
  .semi-client-grid{gap:12px}
  .semi-client-grid li{height:76px}
}


/* 锚点定位避开固定头部 */
.semi-products,.semi-solutions,.semi-news,.semi-about,.semi-clients{scroll-margin-top:96px}
@media(max-width:880px){.semi-products,.semi-solutions,.semi-news,.semi-about,.semi-clients{scroll-margin-top:80px}}