:root{
  --gold:#d97706;
  --gold-light:#f59e0b;
  --gold-soft:#fef3c7;
  --gray:#374151;
  --gray-dark:#1f2937;
  --gray-light:#6b7280;
  --paper:#fffdf8;
  --white:#ffffff;
  --line:#e5e7eb;
  --radius:16px;
  --shadow:0 10px 30px rgba(55,65,81,.08);
}
*{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(--paper);
  color:var(--gray);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,span,a,li,div,strong,em,summary,section,article,footer,header,button,input,small,time{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Microsoft YaHei","微软雅黑","PingFang SC",sans-serif;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.container{max-width:1160px;margin:0 auto;padding:0 20px;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:99;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;padding:14px 20px;max-width:1160px;margin:0 auto;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--gray-dark);letter-spacing:.5px;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--gold),var(--gray));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;
}
.brand span small{display:block;font-size:11px;font-weight:500;color:var(--gold);letter-spacing:2px;}
.nav-links{display:flex;flex-wrap:wrap;gap:6px;align-items:center;}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--gray);transition:.25s;border:1px solid transparent;
}
.nav-links a:hover{background:var(--gold-soft);color:var(--gold);border-color:#fde68a;}
.nav-links a:first-child{
  background:linear-gradient(135deg,var(--gold),var(--gray));
  color:#fff;
}

/* ---------- 大屏 ---------- */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#1f2937 0%,#374151 55%,#111827 100%);
  color:#fff;padding:72px 0 68px;
}
.hero::before{
  content:"";position:absolute;width:620px;height:620px;border-radius:50%;
  background:radial-gradient(circle,rgba(217,119,6,.42),transparent 68%);
  top:-260px;right:-160px;
}
.hero::after{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(245,158,11,.22),transparent 70%);
  bottom:-220px;left:-120px;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.12);border:1px solid rgba(245,158,11,.55);
  color:#fcd34d;letter-spacing:1px;margin-bottom:20px;
}
.hero h1{
  font-size:34px;line-height:1.42;font-weight:800;letter-spacing:.6px;margin-bottom:18px;
  color:#fff;
}
.hero h1 em{font-style:normal;color:#fbbf24;}
.hero-desc{font-size:16px;color:#d1d5db;max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  transition:.25s;border:1px solid transparent;cursor:pointer;
}
.btn-gold{background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#fff;box-shadow:0 10px 24px rgba(217,119,6,.35);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(217,119,6,.45);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-ghost:hover{background:rgba(255,255,255,.12);}
.hero-visual{position:relative;}
.hero-visual img{
  border-radius:24px;box-shadow:0 24px 50px rgba(0,0,0,.45);
  border:1px solid rgba(255,255,255,.16);
}
.hero-chip{
  position:absolute;bottom:-16px;left:-14px;
  background:linear-gradient(135deg,var(--gold),#b45309);
  color:#fff;padding:12px 18px;border-radius:14px;font-size:13px;font-weight:700;
  box-shadow:0 12px 26px rgba(0,0,0,.3);
}

/* ---------- 通用区块 ---------- */
.section{padding:66px 0;}
.section-alt{background:linear-gradient(180deg,#fffdf8 0%,#f9fafb 100%);}
.section-head{text-align:center;max-width:760px;margin:0 auto 42px;}
.section-tag{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:3px;
  color:var(--gold);background:var(--gold-soft);padding:5px 16px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{font-size:27px;font-weight:800;color:var(--gray-dark);letter-spacing:.5px;margin-bottom:12px;}
.section-head p{color:var(--gray-light);font-size:15.5px;}

.geo-wrap{
  background:#fff;border:1px solid var(--line);border-left:6px solid var(--gold);
  border-radius:var(--radius);padding:32px 34px;box-shadow:var(--shadow);
}
.geo-wrap p{font-size:16.5px;color:#4b5563;line-height:1.95;}
.geo-wrap p strong{color:var(--gray-dark);}

/* ---------- 数据统计 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 22px;text-align:center;box-shadow:var(--shadow);
  position:relative;overflow:hidden;transition:.28s;
}
.stat-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;
  background:linear-gradient(90deg,var(--gold-light),var(--gold),var(--gray));
}
.stat-card:hover{transform:translateY(-5px);box-shadow:0 16px 34px rgba(217,119,6,.15);}
.stat-num{font-size:32px;font-weight:800;color:var(--gold);letter-spacing:.5px;}
.stat-num span{font-size:16px;color:var(--gray-light);font-weight:600;margin-left:2px;}
.stat-label{font-size:14px;color:var(--gray-light);margin-top:6px;font-weight:600;}

/* ---------- 核心优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.adv-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;box-shadow:var(--shadow);transition:.28s;position:relative;
}
.adv-card:hover{transform:translateY(-6px);border-color:#fcd34d;box-shadow:0 18px 36px rgba(217,119,6,.16);}
.adv-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:24px;background:linear-gradient(135deg,var(--gold-soft),#fde68a);margin-bottom:16px;
}
.adv-card h3{font-size:18px;color:var(--gray-dark);margin-bottom:10px;font-weight:800;}
.adv-card p{font-size:14.8px;color:var(--gray-light);line-height:1.85;}

/* ---------- 焦点赛事 ---------- */
.events-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.event-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);transition:.28s;
}
.event-card:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(55,65,81,.14);}
.event-top{padding:22px;background:linear-gradient(135deg,#374151,#1f2937);color:#fff;}
.event-top .league{font-size:12px;font-weight:700;letter-spacing:2px;color:#fbbf24;margin-bottom:10px;}
.match-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:17px;font-weight:800;}
.match-row .vs{font-size:13px;color:#fbbf24;padding:3px 10px;border-radius:999px;border:1px solid rgba(251,191,36,.6);}
.event-body{padding:20px 22px;}
.event-body ul{list-style:none;font-size:14.3px;color:var(--gray-light);}
.event-body li{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px dashed var(--line);}
.event-body li:last-child{border-bottom:none;}
.event-body li b{color:var(--gray-dark);font-weight:700;}
.tag-live{
  display:inline-block;font-size:12px;font-weight:800;color:#b45309;
  background:var(--gold-soft);padding:3px 12px;border-radius:999px;margin-top:14px;
}
.event-card img{height:150px;object-fit:cover;width:100%;}

/* ---------- 竞猜中心 ---------- */
.pick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.pick-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow);border-top:4px solid var(--gold);
}
.pick-card h3{font-size:18px;color:var(--gray-dark);margin-bottom:6px;font-weight:800;}
.pick-meta{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:1px;margin-bottom:14px;}
.pick-card p{font-size:14.8px;color:var(--gray-light);line-height:1.9;}
.pick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pick-tags span{
  font-size:12.5px;font-weight:700;color:var(--gray);
  background:#f3f4f6;padding:5px 12px;border-radius:8px;
}
.notice{
  margin-top:26px;font-size:13.5px;color:#92400e;background:#fffbeb;
  border:1px dashed #fcd34d;border-radius:12px;padding:16px 20px;line-height:1.8;
}

/* ---------- 新闻 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 24px 20px;box-shadow:var(--shadow);transition:.28s;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-5px);border-color:#fcd34d;box-shadow:0 16px 34px rgba(217,119,6,.14);}
.news-date{
  display:inline-block;font-size:12.5px;font-weight:700;color:var(--gold);
  background:var(--gold-soft);padding:3px 12px;border-radius:999px;margin-bottom:12px;
}
.news-card h3{font-size:16.5px;color:var(--gray-dark);line-height:1.6;margin-bottom:10px;font-weight:800;}
.news-card p{font-size:14.3px;color:var(--gray-light);line-height:1.88;flex:1;}
.news-more{margin-top:16px;font-size:13.5px;font-weight:700;color:var(--gold);}
.news-more:hover{color:#b45309;}

/* ---------- 会员 ---------- */
.member-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch;}
.member-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:32px 28px;box-shadow:var(--shadow);position:relative;transition:.28s;
  display:flex;flex-direction:column;
}
.member-card:hover{transform:translateY(-6px);}
.member-card.featured{
  background:linear-gradient(165deg,#fffbeb 0%,#fff 45%,#f9fafb 100%);
  border:2px solid var(--gold);
  box-shadow:0 20px 44px rgba(217,119,6,.22);
}
.member-badge{
  position:absolute;top:-14px;right:24px;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;
  padding:6px 16px;border-radius:999px;box-shadow:0 8px 18px rgba(217,119,6,.35);
}
.member-card h3{font-size:19px;color:var(--gray-dark);font-weight:800;margin-bottom:8px;}
.member-price{font-size:30px;font-weight:800;color:var(--gold);margin-bottom:16px;}
.member-price small{font-size:13px;color:var(--gray-light);font-weight:600;}
.member-card ul{list-style:none;margin-bottom:24px;flex:1;}
.member-card ul li{font-size:14.5px;color:#4b5563;padding:7px 0 7px 26px;position:relative;}
.member-card ul li::before{
  content:"✓";position:absolute;left:0;top:7px;color:var(--gold);font-weight:800;
}
.member-btn{
  text-align:center;padding:12px 0;border-radius:999px;font-weight:800;font-size:14.5px;
  background:#f3f4f6;color:var(--gray);transition:.25s;
}
.member-btn:hover{background:#e5e7eb;}
.member-card.featured .member-btn{
  background:linear-gradient(135deg,var(--gold-light),var(--gold));color:#fff;
  box-shadow:0 10px 24px rgba(217,119,6,.35);
}
.member-card.featured .member-btn:hover{filter:brightness(1.06);}

/* ---------- 口碑 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;box-shadow:var(--shadow);position:relative;
}
.review-card::before{
  content:"“";position:absolute;top:8px;right:22px;font-size:64px;color:#fde68a;line-height:1;
}
.review-card p{font-size:14.8px;color:#4b5563;line-height:1.9;margin-bottom:18px;position:relative;z-index:1;}
.review-user{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-soft),#fcd34d);color:#92400e;font-weight:800;font-size:15px;
}
.review-user strong{display:block;font-size:14.5px;color:var(--gray-dark);}
.review-user span{font-size:12.5px;color:var(--gray-light);}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:0 24px;box-shadow:var(--shadow);transition:.25s;
}
.faq-item[open]{border-color:#fcd34d;box-shadow:0 14px 30px rgba(217,119,6,.14);}
.faq-item summary{
  cursor:pointer;list-style:none;font-size:16.5px;font-weight:800;color:var(--gray-dark);
  padding:20px 34px 20px 0;position:relative;line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--gold);font-weight:700;transition:.25s;
}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-answer{
  padding:0 0 22px;font-size:15px;color:#4b5563;line-height:1.95;
  border-top:1px dashed var(--line);padding-top:16px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--gold) 0%,#b45309 45%,var(--gray) 100%);
  color:#fff;border-radius:22px;padding:52px 40px;text-align:center;
  box-shadow:0 24px 50px rgba(217,119,6,.28);
}
.cta-band h2{font-size:26px;font-weight:800;margin-bottom:14px;letter-spacing:.5px;}
.cta-band p{font-size:15.5px;color:rgba(255,255,255,.9);max-width:700px;margin:0 auto 26px;}
.cta-band .btn-white{
  background:#fff;color:#b45309;padding:13px 34px;border-radius:999px;font-weight:800;font-size:15px;
  display:inline-flex;align-items:center;gap:8px;transition:.25s;
}
.cta-band .btn-white:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.25);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:linear-gradient(180deg,#1f2937 0%,#111827 100%);
  color:#d1d5db;padding:56px 0 26px;margin-top:10px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand{}
.footer-brand .brand{color:#fff;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#9ca3af;line-height:1.9;}
.footer-col h4{font-size:15px;color:#fff;font-weight:800;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{list-style:none;}
.footer-col ul li{font-size:14px;color:#9ca3af;padding:5px 0;}
.footer-col ul li a{transition:.2s;}
.footer-col ul li a:hover{color:#fbbf24;}
.footer-col p{font-size:14px;color:#9ca3af;line-height:1.9;margin-bottom:6px;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid #374151;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#9ca3af;
}
.footer-bottom a{color:#d1d5db;}
.footer-bottom a:hover{color:#fbbf24;}

@media (max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .hero h1{font-size:27px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .adv-grid,.events-grid,.news-grid,.member-grid,.review-grid,.pick-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .header-inner{padding:12px 16px;}
  .nav-links a{padding:6px 10px;font-size:13.5px;}
  .hero{padding:52px 0;}
  .hero h1{font-size:23px;}
  .section{padding:46px 0;}
  .stats-grid,.adv-grid,.events-grid,.news-grid,.member-grid,.review-grid,.pick-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .geo-wrap{padding:24px 20px;}
  .cta-band{padding:36px 22px;}
}