:root{
  --blue:#1e4d8c;
  --indigo:#163a68;
  --deep:#0f2a4d;
  --porcelain:#f6f9ff;
  --glaze:#eaf1fb;
  --gold:#c9a227;
  --line:rgba(30,77,140,.22);
  --shadow:0 14px 34px rgba(18,48,90,.16);
  --shadow-soft:0 8px 22px rgba(18,48,90,.12);
  --radius:26px;
  --radius-img:18px;
}
*{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:var(--porcelain);
  color:#18314f;
  line-height:1.75;
  background-image:
    radial-gradient(circle at 8% 12%, rgba(30,77,140,.07), transparent 42%),
    radial-gradient(circle at 92% 78%, rgba(22,58,104,.08), transparent 45%),
    linear-gradient(180deg,#f8fbff 0%, #eef4fc 100%);
}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
.wrap{width:min(1180px,92%);margin:0 auto;}
section{padding:74px 0;}

/* 冰裂纹装饰 */
.crack{position:relative;}
.crack::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(115deg, transparent 47%, rgba(30,77,140,.09) 48%, transparent 49%),
    linear-gradient(-72deg, transparent 63%, rgba(30,77,140,.07) 64%, transparent 65%),
    linear-gradient(34deg, transparent 78%, rgba(30,77,140,.06) 79%, transparent 80%);
}

/* 头部 & 导航 */
header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(120deg,var(--blue),var(--indigo));
  border-bottom:2px solid var(--gold);
  box-shadow:0 6px 20px rgba(15,42,77,.28);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;flex-wrap:wrap;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand .mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(145deg,#ffffff,#dce8f8);
  color:var(--blue);display:grid;place-items:center;font-weight:800;font-size:19px;
  border:2px solid var(--gold);box-shadow:0 6px 16px rgba(0,0,0,.2);
}
.brand b{font-size:20px;letter-spacing:1.5px;}
.brand span{display:block;font-size:11px;letter-spacing:3px;opacity:.75;}
.nav-links{display:flex;gap:8px;flex-wrap:wrap;}
.nav-links a{
  color:#eaf2ff;padding:9px 17px;border-radius:999px;font-size:14.5px;
  border:1px solid rgba(255,255,255,.22);transition:.25s;background:rgba(255,255,255,.06);
}
.nav-links a:hover{background:#fff;color:var(--blue);border-color:#fff;transform:translateY(-2px);}

/* H1 与 GEO */
.hero{padding:78px 0 60px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:46px;align-items:center;}
.tagline{
  display:inline-block;font-size:13px;letter-spacing:4px;color:var(--blue);
  background:rgba(30,77,140,.09);border:1px solid var(--line);
  padding:6px 16px;border-radius:999px;margin-bottom:20px;
}
h1{
  font-size:clamp(30px,4.6vw,50px);line-height:1.25;color:var(--indigo);
  letter-spacing:1.5px;margin-bottom:22px;
}
h1 em{font-style:normal;color:var(--blue);border-bottom:4px solid var(--gold);}
.geo-text{
  font-size:16.5px;color:#2b4straight;color:#2c4a72;background:linear-gradient(180deg,#ffffff, #f2f7ff);
  border:1px solid var(--line);border-left:5px solid var(--gold);
  padding:22px 26px;border-radius:20px;box-shadow:var(--shadow-soft);
}
.geo-text strong{color:var(--blue);}
.hero-figure{
  border-radius:var(--radius);overflow:hidden;border:2px solid rgba(30,77,140,.28);
  box-shadow:var(--shadow);background:#fff;padding:10px;
}
.hero-figure img{border-radius:var(--radius-img);width:100%;height:330px;object-fit:cover;}
.hero-figure figcaption{font-size:13px;color:#5b7597;padding:11px 6px 4px;text-align:center;letter-spacing:1px;}

.btn-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px;}
.btn{
  padding:13px 30px;border-radius:999px;font-size:15px;font-weight:600;transition:.25s;
  border:1px solid var(--blue);
}
.btn-primary{background:linear-gradient(120deg,var(--blue),var(--indigo));color:#fff;box-shadow:0 10px 22px rgba(30,77,140,.3);}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 30px rgba(30,77,140,.38);}
.btn-ghost{background:#fff;color:var(--blue);}
.btn-ghost:hover{background:var(--glaze);transform:translateY(-3px);}

/* 通用区块头 */
.sec-head{text-align:center;margin-bottom:44px;}
.sec-head .kicker{font-size:13px;letter-spacing:5px;color:var(--gold);font-weight:700;}
.sec-head h2{font-size:clamp(24px,3vw,34px);color:var(--indigo);margin-top:8px;letter-spacing:2px;}
.sec-head p{max-width:760px;margin:14px auto 0;color:#4d6near;color:#4d6a92;font-size:15.5px;}

/* 两列卡片 */
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;}
.card{
  background:linear-gradient(160deg,#ffffff 0%, #f1f6ff 100%);
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-soft);transition:.3s;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:rgba(30,77,140,.4);}
.card .thumb{position:relative;overflow:hidden;background:var(--glaze);}
.card .thumb img{width:100%;height:225px;object-fit:cover;border-bottom:3px solid rgba(30,77,140,.25);}
.card .thumb .badge{
  position:absolute;left:16px;top:16px;background:rgba(22,58,104,.92);color:#fff;
  font-size:12px;letter-spacing:2px;padding:6px 14px;border-radius:999px;border:1px solid var(--gold);
}
.card .body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:11px;flex:1;}
.card h3{font-size:19.5px;color:var(--indigo);letter-spacing:.6px;}
.card p{font-size:15px;color:#47648c;}
.card .meta{margin-top:auto;font-size:13px;color:#7c93b3;letter-spacing:1px;display:flex;justify-content:space-between;align-items:center;gap:10px;}
.card .meta a{color:var(--blue);font-weight:600;border-bottom:1px dashed var(--line);}

/* 新闻 */
.news-item{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:24px 26px;
  box-shadow:var(--shadow-soft);transition:.3s;position:relative;overflow:hidden;
}
.news-item::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, rgba(30,77,140,.12), transparent 70%);
}
.news-item:hover{transform:translateY(-5px);border-color:rgba(30,77,140,.42);box-shadow:var(--shadow);}
.news-date{
  display:inline-block;font-size:13px;color:#fff;background:linear-gradient(120deg,var(--blue),var(--indigo));
  padding:5px 14px;border-radius:999px;letter-spacing:1px;margin-bottom:12px;
}
.news-item h3{font-size:18.5px;color:var(--indigo);margin-bottom:9px;}
.news-item p{font-size:15px;color:#4a6party;color:#4a6791;}
.news-tag{font-size:12.5px;color:var(--gold);letter-spacing:2px;font-weight:700;}

/* 数据统计 */
.stats-band{
  background:linear-gradient(125deg,var(--blue),var(--indigo));
  border-top:3px solid var(--gold);border-bottom:3px solid var(--gold);
  color:#fff;position:relative;overflow:hidden;
}
.stats-band .wrap{position:relative;z-index:2;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;}
.stat{
  text-align:center;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.22);
  border-radius:22px;padding:28px 16px;backdrop-filter:blur(3px);
}
.stat .num{font-size:38px;font-weight:800;letter-spacing:1px;color:#fff;text-shadow:0 4px 14px rgba(0,0,0,.3);}
.stat .num span{font-size:19px;color:var(--gold);}
.stat .label{font-size:14.5px;opacity:.86;letter-spacing:2px;margin-top:6px;}

/* 核心优势 */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.adv{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:30px 26px;
  box-shadow:var(--shadow-soft);transition:.3s;
}
.adv:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.adv .ico{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;font-size:26px;
  background:linear-gradient(145deg,#eaf2ff,#d7e5fa);border:1px solid var(--line);margin-bottom:16px;
}
.adv h3{color:var(--indigo);font-size:18.5px;margin-bottom:9px;}
.adv p{font-size:15px;color:#4a6791;}

/* 赛事 */
.event-card{
  background:linear-gradient(160deg,#ffffff,#f2f7ff);border:1px solid var(--line);
  border-radius:24px;padding:26px;box-shadow:var(--shadow-soft);transition:.3s;
}
.event-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.event-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap;}
.chip{font-size:12.5px;padding:5px 14px;border-radius:999px;letter-spacing:1.5px;}
.chip-gold{background:rgba(201,162,39,.16);color:#8a6c10;border:1px solid rgba(201,162,39,.5);}
.chip-blue{background:rgba(30,77,140,.1);color:var(--blue);border:1px solid var(--line);}
.match{display:flex;align-items:center;justify-content:space-between;gap:14px;}
.team{flex:1;text-align:center;}
.team img{width:62px;height:62px;object-fit:cover;border-radius:16px;margin:0 auto 9px;border:2px solid var(--line);background:#fff;}
.team b{font-size:15.5px;color:var(--indigo);display:block;}
.vs{font-size:26px;font-weight:800;color:var(--gold);letter-spacing:2px;}
.event-card .note{font-size:14.5px;color:#4a6791;margin-top:16px;border-top:1px dashed var(--line);padding-top:14px;}

/* 口碑 */
.quote{
  background:#fff;border:1px solid var(--line);border-left:6px solid var(--blue);
  border-radius:22px;padding:26px 28px;box-shadow:var(--shadow-soft);
}
.quote p{font-size:15.5px;color:#3f5f8a;font-style:normal;}
.quote .who{display:flex;align-items:center;gap:12px;margin-top:16px;}
.quote .who .ava{
  width:44px;height:44px;border-radius:50%;background:linear-gradient(145deg,var(--blue),var(--indigo));
  color:#fff;display:grid;place-items:center;font-weight:700;border:2px solid var(--gold);
}
.quote .who b{color:var(--indigo);font-size:15px;display:block;}
.quote .who span{font-size:13px;color:#7c93b3;}

/* CTA */
.cta-band{
  background:linear-gradient(130deg,#123258 0%, #1e4d8c 55%, #163a68 100%);
  border-radius:34px;padding:52px 46px;color:#fff;text-align:center;
  border:2px solid rgba(201,162,39,.6);box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.cta-band h2{font-size:clamp(23px,3vw,33px);letter-spacing:2px;margin-bottom:14px;}
.cta-band p{max-width:720px;margin:0 auto 26px;opacity:.9;font-size:15.5px;}
.cta-band .btn-primary{background:#fff;color:var(--blue);border-color:#fff;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}

/* FAQ */
.faq-list{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px 28px 30px;
  box-shadow:var(--shadow-soft);transition:.3s;
}
.faq-item:hover{box-shadow:var(--shadow);border-color:rgba(30,77,140,.4);}
.faq-item .q{
  font-size:17.5px;color:var(--indigo);font-weight:700;margin-bottom:12px;
  display:flex;gap:11px;align-items:flex-start;line-height:1.6;
}
.faq-item .q i{
  font-style:normal;flex:0 0 auto;width:28px;height:28px;border-radius:9px;background:var(--blue);
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;
}
.faq-item .a{font-size:15.2px;color:#47648c;padding-left:39px;}

/* 页脚 */
footer{
  background:linear-gradient(140deg,#0f2a4d,#163a68);
  color:#cfe0f6;border-top:3px solid var(--gold);padding:54px 0 26px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:34px;}
.foot-grid h4{color:#fff;font-size:16.5px;letter-spacing:2px;margin-bottom:16px;border-left:4px solid var(--gold);padding-left:12px;}
.foot-grid ul{list-style:none;display:flex;flex-direction:column;gap:9px;font-size:14.5px;}
.foot-grid a:hover{color:var(--gold);}
.foot-info p{font-size:14.5px;margin-bottom:9px;}
.foot-bottom{
  margin-top:34px;border-top:1px solid rgba(255,255,255,.16);padding-top:18px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13.5px;color:#a9c2e4;
}
.foot-bottom a{color:var(--gold);}

@media(max-width:960px){
  .hero-grid,.grid2,.faq-list{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
  section{padding:54px 0;}
  .cta-band{padding:38px 24px;}
}