/* ============================================================
   杭州梧燊科技发展有限公司 官网样式
   WooSyn Official Site Stylesheet
   配色：科技蓝体系（深蓝主色 + 中蓝强调 + 暖黄点缀）
   ============================================================ */

:root{
  --navy:#0F2A4A;        /* 页头/页脚 深蓝 */
  --blue:#1A3D6E;        /* 主色 深蓝 */
  --blue-mid:#2E75B6;    /* 中蓝 */
  --blue-light:#D6E4F0;  /* 淡蓝 */
  --blue-pale:#EBF3FB;   /* 极淡蓝 */
  --gold:#E6A817;        /* 暖黄点缀 */
  --text:#1F2937;        /* 正文 */
  --muted:#6B7280;       /* 次要文字 */
  --line:#E3EAF2;        /* 分隔线 */
  --white:#fff;
  --radius:10px;
  --shadow:0 2px 12px rgba(15,42,74,.08);
  --shadow-lg:0 8px 32px rgba(15,42,74,.14);
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}

html{scroll-behavior:smooth}

body{
  font-family:"Microsoft YaHei","微软雅黑","PingFang SC","Hiragino Sans GB",Arial,sans-serif;
  color:var(--text);
  background:var(--white);
  line-height:1.75;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:.2s}
ul{list-style:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(15,42,74,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  height:82px;display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:16px}
.nav-logo img{height:44px;width:auto}
.nav-logo .cn{
  background:linear-gradient(180deg,#7DD3FC 0%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  font-size:26px;font-weight:700;letter-spacing:2px;
}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  color:rgba(255,255,255,.82);font-size:14.5px;padding:8px 16px;border-radius:6px;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.1)}
.nav-menu a.active{color:#fff;background:var(--blue-mid)}
.lang-switch{
  margin-left:14px;color:rgba(255,255,255,.82);font-size:14px;font-weight:600;letter-spacing:1px;
  padding:6px 13px;border:1px solid rgba(230,168,23,.55);border-radius:20px;transition:all .2s;
}
.lang-switch:hover{color:#fff;background:rgba(230,168,23,.18);border-color:#E6A817}
.nav-toggle{
  display:none;width:40px;height:40px;border:none;background:transparent;
  cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center;
}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}

/* ---------- 首屏 Hero ---------- */
.hero{
  margin-top:82px;
  background:
    linear-gradient(135deg,rgba(15,42,74,.88) 0%,rgba(26,61,110,.84) 55%,rgba(46,117,182,.80) 100%),
    url('../img/hero-bg.jpg') center/cover no-repeat;
  color:#fff;padding:96px 0 88px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(230,168,23,.18),transparent 65%);border-radius:50%;
}
.hero-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}
.hero-slogan{font-size:17px;font-weight:700;letter-spacing:6px;color:#E6A817;margin-bottom:16px}
.hero h1{font-size:42px;line-height:1.3;font-weight:800;letter-spacing:1px;margin-bottom:18px}
.hero h1 em,.hero h1 span{font-style:normal;color:#F7D08A}
.hero p.lead{font-size:15px;color:rgba(255,255,255,.85);max-width:720px;margin-bottom:34px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-block;padding:13px 30px;border-radius:6px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;transition:.2s;
}
.btn-primary{background:var(--gold);color:#1F2937}
.btn-primary:hover{background:#F0B52B;transform:translateY(-2px);box-shadow:0 6px 18px rgba(230,168,23,.35)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}

/* ---------- 数据条 ---------- */
.stats{background:var(--blue-pale);border-bottom:1px solid var(--line)}
.stats-inner{
  max-width:var(--maxw);margin:0 auto;padding:28px 24px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;text-align:center;
}
.stat .num{font-size:30px;font-weight:800;color:var(--blue);line-height:1.2}
.stat .num small{font-size:15px;font-weight:600;margin-left:2px}
.stat .lbl{font-size:13.5px;color:var(--muted);margin-top:4px}

/* ---------- 通用区块 ---------- */
.section{padding:76px 0}
.section.gray{background:#F7FAFD}
.section-head{text-align:center;margin-bottom:46px}
.section-head .kicker{
  font-size:13px;letter-spacing:3px;color:var(--blue-mid);font-weight:700;margin-bottom:10px;
}
.section-head h2{font-size:30px;color:var(--blue);font-weight:800;letter-spacing:1px}
.section-head .bar{
  width:56px;height:3px;background:var(--gold);margin:16px auto 0;border-radius:2px;
}
.section-head p.sub{color:var(--muted);margin-top:14px;font-size:15px}

/* ---------- 业务卡片 ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 26px;transition:.25s;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--blue-mid));
  transform:scaleX(0);transform-origin:left;transition:.3s;
}
.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--blue-light)}
.card:hover::before{transform:scaleX(1)}
.card .ico{
  width:52px;height:52px;border-radius:12px;background:var(--blue-pale);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;
}
.card .ico svg{width:26px;height:26px;stroke:var(--blue-mid);fill:none;stroke-width:1.8}
.card h3{font-size:18px;color:var(--blue);margin-bottom:10px;font-weight:700}
.card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.card ul{margin-top:14px}
.card ul li{
  font-size:13.5px;color:var(--muted);padding-left:16px;position:relative;margin-bottom:6px;
}
.card ul li::before{
  content:"";position:absolute;left:0;top:9px;width:6px;height:6px;
  border-radius:50%;background:var(--blue-mid);
}

/* ---------- 产品卡 ---------- */
.products{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.product{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;display:flex;flex-direction:column;
}
.product:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.product .thumb{
  height:220px;display:flex;align-items:center;justify-content:center;
  background:#fff;
  position:relative;border-bottom:1px solid var(--line);overflow:hidden;
}
.product .thumb img{width:100%;height:100%;object-fit:cover}
.product .thumb svg{width:72px;height:72px;opacity:.85}
.product .cat{z-index:2}
.product .cat{
  position:absolute;top:12px;left:12px;font-size:12px;font-weight:700;
  background:var(--blue);color:#fff;padding:4px 10px;border-radius:4px;
}
.product .body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.product h3{font-size:17px;color:var(--blue);font-weight:700;margin-bottom:4px}
.product .model{font-size:12.5px;color:var(--blue-mid);font-weight:700;letter-spacing:.5px;margin-bottom:10px}
.product p{font-size:14px;color:var(--muted);line-height:1.75;flex:1}
.product .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px}
.product .tags span{
  font-size:12px;background:var(--blue-pale);color:var(--blue-mid);
  padding:3px 9px;border-radius:4px;
}

/* ---------- 优势列表 ---------- */
.adv{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.adv-item{display:flex;gap:16px;background:#fff;padding:24px;border-radius:var(--radius);border:1px solid var(--line)}
.adv-item .n{
  flex-shrink:0;width:40px;height:40px;border-radius:50%;background:var(--blue);
  color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;
}
.adv-item h4{font-size:16px;color:var(--blue);margin-bottom:6px;font-weight:700}
.adv-item p{font-size:14px;color:var(--muted)}

/* ---------- 页面头图 ---------- */
.pagehead{
  margin-top:82px;background:linear-gradient(120deg,var(--navy),var(--blue-mid));
  color:#fff;padding:58px 0;text-align:center;
}
.pagehead h1{font-size:32px;font-weight:800;letter-spacing:1px}
.pagehead p{color:#E6A817;margin-top:10px;font-size:17px;font-weight:700}

/* ---------- 关于页 ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:stretch}
.about-text h2{font-size:27px;color:var(--blue);font-weight:800;margin-bottom:18px}
.about-text p{color:var(--muted);margin-bottom:14px;font-size:15px;line-height:1.9}
.about-visual{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--blue-pale);
  min-height:520px;
}
.about-visual .about-photo{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;display:block;
  transform:scale(1.08);transform-origin:center;
}

.info-table{width:100%;border-collapse:collapse;margin-top:8px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.info-table th,.info-table td{padding:14px 20px;font-size:14.5px;border-bottom:1px solid var(--line);text-align:left}
.info-table th{width:170px;background:var(--blue-pale);color:var(--blue);font-weight:700}
.info-table tr:last-child th,.info-table tr:last-child td{border-bottom:none}

.timeline{position:relative;padding-left:28px;margin-top:10px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:var(--blue-light)}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:7px;width:12px;height:12px;border-radius:50%;
  background:var(--blue-mid);border:2px solid #fff;box-shadow:0 0 0 2px var(--blue-light);
}
.tl-item .yr{font-size:14px;font-weight:800;color:var(--blue)}
.tl-item p{font-size:14.5px;color:var(--muted);margin-top:2px}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info .ci{display:flex;gap:16px;margin-bottom:26px}
.contact-info .ci .ico{
  flex-shrink:0;width:44px;height:44px;border-radius:10px;background:var(--blue-pale);
  display:flex;align-items:center;justify-content:center;
}
.contact-info .ci .ico svg{width:22px;height:22px;stroke:var(--blue-mid);fill:none;stroke-width:1.8}
.contact-info .ci h4{font-size:14px;color:var(--muted);font-weight:400;margin-bottom:2px}
.contact-info .ci p{font-size:16px;color:var(--blue);font-weight:700}
.contact-info .ci p small{display:block;font-weight:400;font-size:13px;color:var(--muted);margin-top:2px}

.form-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow)}
.form-box h3{font-size:19px;color:var(--blue);margin-bottom:6px;font-weight:700}
.form-box .tip{font-size:13.5px;color:var(--muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text);font-weight:700;margin-bottom:6px}
.field label i{color:#D93025;font-style:normal;margin-left:2px}
.field input,.field textarea,.field select{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:6px;
  font-family:inherit;font-size:14.5px;color:var(--text);background:#FCFDFF;transition:.2s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--blue-mid);background:#fff;box-shadow:0 0 0 3px rgba(46,117,182,.12);
}
.field textarea{resize:vertical;min-height:96px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.7}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(120deg,var(--navy),var(--blue-mid));color:#fff;
  padding:64px 0;text-align:center;
}
.cta h2{font-size:28px;font-weight:800;margin-bottom:12px}
.cta-slogan{font-size:16px;font-weight:700;letter-spacing:6px;color:#E6A817;margin-bottom:14px}
.cta p{color:rgba(255,255,255,.8);margin-bottom:28px;font-size:15.5px}

/* ---------- 页脚 ---------- */
.foot{background:var(--navy);color:rgba(255,255,255,.6);padding:52px 0 0;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:36px}
.foot h5{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700;letter-spacing:1px}
.foot p,.foot li{line-height:2;font-size:13.5px}
.foot a:hover{color:#F7D08A}
.foot-logo{height:24px;width:auto;margin-bottom:16px}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0;text-align:center;font-size:13px;
}
.foot-bottom a{color:rgba(255,255,255,.55)}

/* ---------- 响应式 ---------- */
@media(max-width:992px){
  .cards,.products{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:32px}
}
@media(max-width:768px){
  .nav-menu{
    display:none;position:absolute;top:82px;left:0;right:0;background:var(--navy);
    flex-direction:column;padding:10px 16px 18px;gap:2px;border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{width:100%;padding:12px 14px}
  .nav-toggle{display:flex}
  .nav-logo .cn{display:none}
  .stats-inner{grid-template-columns:repeat(2,1fr);gap:22px}
  .cards,.products,.adv{grid-template-columns:1fr}
  .hero{padding:64px 0 56px}
  .hero h1{font-size:25px}
  .hero p.lead{font-size:13.5px}
  .section{padding:54px 0}
  .section-head h2{font-size:24px}
  .foot-grid{grid-template-columns:1fr}
  .info-table th{width:110px}
}