*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
  background:#f4fafb;color:#123039;line-height:1.75;-webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;}

/* 头部 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid #dbeef2;}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap;padding:8px 0;}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.5px;color:#0f766e;}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#0891b2,#0f766e);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:700;}
.nav-links{display:flex;flex-wrap:wrap;gap:4px;align-items:center;}
.nav-links a{padding:8px 12px;border-radius:8px;font-size:14px;color:#35545d;transition:.2s;}
.nav-links a:hover{background:#e6f6f8;color:#0f766e;}

/* 首屏 */
.hero{background:linear-gradient(135deg,#0891b2 0%,#0e8a8a 55%,#0f766e 100%);color:#fff;padding:62px 0 70px;position:relative;overflow:hidden;}
.hero::after{content:"";position:absolute;right:-130px;top:-140px;width:440px;height:440px;border-radius:50%;background:rgba(255,255,255,.09);}
.hero::before{content:"";position:absolute;left:-90px;bottom:-160px;width:320px;height:320px;border-radius:50%;background:rgba(255,255,255,.06);}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;position:relative;z-index:2;}
.hero h1{font-size:33px;line-height:1.36;font-weight:800;letter-spacing:.4px;}
.hero p.lead{margin-top:18px;font-size:16px;color:rgba(255,255,255,.92);max-width:560px;}
.hero-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}
.btn{display:inline-block;padding:12px 22px;border-radius:10px;font-size:15px;font-weight:600;transition:.22s;}
.btn-primary{background:#fff;color:#0f766e;}
.btn-primary:hover{background:#e9fbfd;transform:translateY(-2px);}
.btn-ghost{border:1px solid rgba(255,255,255,.62);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.15);}
.hero-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);border-radius:18px;padding:14px;}
.hero-card img{border-radius:12px;width:100%;height:auto;}
.hero-card span{display:block;margin-top:10px;font-size:13px;color:rgba(255,255,255,.85);text-align:center;}

/* 通用区块 */
section{padding:54px 0;}
.sec-head{margin-bottom:26px;}
.sec-head .eyebrow{display:inline-block;font-size:12px;font-weight:800;color:#0891b2;letter-spacing:2.4px;text-transform:uppercase;}
.sec-head h2{font-size:25px;font-weight:800;color:#0f3b45;margin-top:6px;line-height:1.4;}
.sec-head p{margin-top:8px;font-size:15px;color:#5b7a84;max-width:760px;}

/* GEO */
.geo-box{background:#fff;border:1px solid #dcf0f4;border-radius:16px;padding:28px 30px;box-shadow:0 8px 26px rgba(8,145,178,.07);}
.geo-box p{font-size:15.5px;color:#33555f;margin-bottom:14px;}
.geo-box p:last-child{margin-bottom:0;}
.geo-box b{color:#0f766e;font-weight:700;}

/* 数据 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{background:#fff;border:1px solid #dceff3;border-radius:14px;padding:22px 16px;text-align:center;transition:.22s;}
.stat-card:hover{border-color:#b9e4ea;box-shadow:0 12px 28px rgba(8,145,178,.1);}
.stat-card .num{font-size:29px;font-weight:800;background:linear-gradient(135deg,#0891b2,#0f766e);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.2;}
.stat-card .lbl{margin-top:8px;font-size:14px;color:#5b7a84;}

/* 卡片组 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.card{background:#fff;border:1px solid #dceff3;border-radius:16px;padding:24px;transition:.25s;}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(8,145,178,.13);border-color:#b9e4ea;}
.card .tag{display:inline-block;font-size:12px;padding:3px 10px;border-radius:20px;background:#e6f8fa;color:#0f766e;font-weight:700;margin-bottom:12px;}
.card h3{font-size:17px;color:#0f3b45;margin-bottom:10px;line-height:1.5;}
.card p{font-size:14.5px;color:#52707a;}

/* 品牌故事 */
.story-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:36px;align-items:center;}
.story-img{border-radius:18px;overflow:hidden;border:1px solid #dceff3;box-shadow:0 14px 32px rgba(8,145,178,.12);}
.story-text p{font-size:15.5px;color:#33555f;margin-bottom:14px;}
.story-text .point{display:flex;gap:12px;margin-bottom:12px;}
.story-text .point i{flex:0 0 26px;height:26px;border-radius:8px;background:linear-gradient(135deg,#0891b2,#0f766e);color:#fff;font-style:normal;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:3px;}
.story-text .point span{font-size:15px;color:#33555f;}

/* 新闻 */
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-item{background:#fff;border:1px solid #dceff3;border-radius:16px;padding:22px 24px;transition:.22s;}
.news-item:hover{border-color:#b9e4ea;box-shadow:0 12px 28px rgba(8,145,178,.1);}
.news-date{display:inline-block;font-size:13px;font-weight:700;color:#0891b2;background:#eaf9fb;padding:2px 10px;border-radius:6px;margin-bottom:10px;}
.news-item h3{font-size:16.5px;line-height:1.55;color:#0f3b45;margin-bottom:10px;}
.news-item p{font-size:14.5px;color:#52707a;}

/* FAQ */
.faq-item{background:#fff;border:1px solid #dceff3;border-radius:14px;padding:20px 24px;margin-bottom:14px;}
.faq-item h3{font-size:16px;color:#0f766e;margin-bottom:10px;line-height:1.6;}
.faq-item p{font-size:14.8px;color:#52707a;}

/* CTA */
.cta-box{background:linear-gradient(135deg,#0891b2,#0f766e);border-radius:20px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;color:#fff;box-shadow:0 18px 40px rgba(8,145,178,.22);}
.cta-box h2{font-size:24px;font-weight:800;line-height:1.4;}
.cta-box p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.9);max-width:620px;}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.contact-card{background:#fff;border:1px solid #dceff3;border-radius:16px;padding:24px;}
.contact-card h3{font-size:16px;color:#0f3b45;margin-bottom:10px;}
.contact-card p{font-size:14.5px;color:#52707a;}

/* 页脚 */
.site-footer{background:linear-gradient(135deg,#0c4f52,#083b40);color:#cfe9ec;padding:46px 0 20px;margin-top:24px;}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:30px;}
.footer-grid h4{color:#fff;font-size:16px;margin-bottom:12px;}
.footer-grid p,.footer-grid a{font-size:14px;color:#a9d3d8;line-height:1.95;display:block;}
.footer-grid a:hover{color:#fff;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:30px;padding-top:16px;text-align:center;font-size:13px;color:#8fc0c6;}
.footer-bottom a{color:#cfe9ec;}
.footer-bottom a:hover{color:#fff;}

@media(max-width:920px){
  .hero-grid,.story-grid,.cards,.news-list,.stats-grid,.contact-grid,.footer-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .hero h1{font-size:26px;}
  .cta-box{padding:28px 24px;}
  section{padding:40px 0;}
}
@media(max-width:520px){
  .stats-grid{grid-template-columns:1fr;}
  .hero{padding:44px 0 50px;}
  .geo-box{padding:22px 20px;}
}