/* ============================================================
   开云官方体育资讯网站 - style.css
   主色调：蓝色系
   ============================================================ */

:root {
  --blue-900: #1e3a8a;
  --blue-700: #1d4ed8;
  --blue-600: #2563eb;
  --blue-500: #3b82f6;
  --blue-400: #60a5fa;
  --blue-100: #dbeafe;
  --blue-50:  #eff6ff;
  --dark:     #0f172a;
  --card-bg:  #ffffff;
  --text:     #1f2937;
  --text-sub: #6b7280;
  --border:   #e5e7eb;
  --radius:   10px;
  --shadow:   0 2px 12px rgba(37,99,235,.10);
  --shadow-md:0 4px 24px rgba(37,99,235,.16);
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Microsoft YaHei','PingFang SC',system-ui,sans-serif;
     background:#f0f6ff;color:var(--text);font-size:15px;line-height:1.7;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}

/* ── Container ── */
.container{max-width:1200px;margin:0 auto;padding:0 16px;}
.section{padding:52px 0;}
.section-title{font-size:22px;font-weight:800;color:var(--blue-900);
  padding-left:14px;border-left:5px solid var(--blue-600);margin-bottom:28px;}
.section-title span{color:var(--blue-600);}

/* ── Buttons ── */
.btn{display:inline-block;padding:9px 22px;border-radius:6px;font-weight:600;
     font-size:14px;cursor:pointer;transition:.2s;}
.btn-primary{background:linear-gradient(135deg,var(--blue-600),var(--blue-700));
             color:#fff;box-shadow:0 2px 8px rgba(37,99,235,.3);}
.btn-primary:hover{background:linear-gradient(135deg,var(--blue-700),var(--blue-900));
                   transform:translateY(-1px);}
.btn-outline{border:2px solid var(--blue-600);color:var(--blue-600);}
.btn-outline:hover{background:var(--blue-600);color:#fff;}
.btn-sm{padding:6px 16px;font-size:13px;}

/* ── Header ── */
.site-header{background:var(--blue-900);position:sticky;top:0;z-index:100;
             box-shadow:0 2px 16px rgba(0,0,0,.25);}
.header-top{background:#162d6e;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.08);}
.header-top .container{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.site-name{color:#fff;font-size:17px;font-weight:900;letter-spacing:.5px;
           background:linear-gradient(90deg,#93c5fd,#fff);-webkit-background-clip:text;
           -webkit-text-fill-color:transparent;}
.ticker-wrap{flex:1;overflow:hidden;max-width:600px;}
.ticker{display:flex;gap:0;white-space:nowrap;}
.ticker-inner{display:inline-block;animation:ticker 28s linear infinite;}
.ticker-inner a{color:#93c5fd;font-size:13px;margin-right:40px;}
.ticker-inner a:hover{color:#fff;}
@keyframes ticker{0%{transform:translateX(100%)}100%{transform:translateX(-100%)}}

.main-nav{padding:0;}
.main-nav .container{display:flex;align-items:center;justify-content:space-between;}
.nav-logo{color:#fff;font-size:20px;font-weight:900;padding:12px 0;
          display:flex;align-items:center;gap:8px;}
.nav-logo .icon{font-size:22px;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-links a{color:rgba(255,255,255,.85);padding:14px 14px;font-size:14px;font-weight:600;
             transition:.2s;border-bottom:3px solid transparent;}
.nav-links a:hover,.nav-links a.active{color:#fff;border-bottom-color:#60a5fa;}
.nav-cta{background:linear-gradient(135deg,#3b82f6,#1d4ed8);color:#fff;
         padding:8px 18px;border-radius:6px;font-size:13px;font-weight:700;
         margin-left:12px;transition:.2s;}
.nav-cta:hover{opacity:.88;}
.hamburger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:8px;}
.mobile-menu{display:none;background:var(--blue-900);padding:8px 16px 16px;}
.mobile-menu a{display:block;color:rgba(255,255,255,.85);padding:10px 0;
               font-size:15px;font-weight:600;border-bottom:1px solid rgba(255,255,255,.08);}
.mobile-menu.open{display:block;}

/* ── Hero ── */
.hero{background:linear-gradient(135deg,#1e3a8a 0%,#1d4ed8 50%,#2563eb 100%);
      padding:72px 0 64px;position:relative;overflow:hidden;}
.hero::before{content:'';position:absolute;inset:0;
              background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.04)" d="M0,192L48,186.7C96,181,192,171,288,181.3C384,192,480,224,576,213.3C672,203,768,149,864,138.7C960,128,1056,160,1152,165.3C1248,171,1344,149,1392,138.7L1440,128L1440,320L0,320Z"/></svg>') bottom/cover no-repeat;}
.hero-content{position:relative;z-index:1;max-width:700px;}
.hero-badge{display:inline-block;background:rgba(255,255,255,.15);backdrop-filter:blur(8px);
            color:#93c5fd;font-size:12px;font-weight:700;padding:5px 14px;border-radius:20px;
            border:1px solid rgba(255,255,255,.2);margin-bottom:20px;letter-spacing:1px;text-transform:uppercase;}
.hero h1{font-size:clamp(28px,5vw,52px);font-weight:900;color:#fff;line-height:1.2;margin-bottom:18px;}
.hero h1 em{font-style:normal;color:#93c5fd;}
.hero p{color:rgba(255,255,255,.8);font-size:17px;margin-bottom:32px;line-height:1.8;}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
.hero-btns .btn-white{background:#fff;color:var(--blue-700);font-weight:700;
                      padding:12px 28px;border-radius:8px;font-size:15px;}
.hero-btns .btn-ghost{border:2px solid rgba(255,255,255,.5);color:#fff;padding:12px 28px;
                      border-radius:8px;font-size:15px;font-weight:700;}
.hero-btns .btn-ghost:hover{background:rgba(255,255,255,.1);}
.hero-stats{display:flex;gap:32px;margin-top:40px;flex-wrap:wrap;}
.hero-stat{text-align:center;}
.hero-stat strong{display:block;font-size:28px;font-weight:900;color:#fff;}
.hero-stat span{font-size:12px;color:rgba(255,255,255,.65);text-transform:uppercase;letter-spacing:.5px;}

/* ── News Grid ── */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
           overflow:hidden;transition:.25s;border:1px solid var(--border);}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--blue-400);}
.news-card-img{position:relative;height:190px;overflow:hidden;}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.news-card:hover .news-card-img img{transform:scale(1.05);}
.news-cat{position:absolute;top:12px;left:12px;background:var(--blue-600);color:#fff;
          font-size:11px;font-weight:700;padding:3px 10px;border-radius:4px;letter-spacing:.5px;}
.news-body{padding:16px 18px 18px;}
.news-body h3{font-size:15px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:8px;}
.news-body h3 a:hover{color:var(--blue-600);}
.news-excerpt{font-size:13px;color:var(--text-sub);line-height:1.6;margin-bottom:12px;
              display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;}
.news-date{font-size:12px;color:var(--text-sub);}
.news-date::before{content:'📅 ';}

/* ── Leagues ── */
.leagues-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.league-card{background:#fff;border-radius:var(--radius);padding:20px 14px;text-align:center;
             box-shadow:var(--shadow);border:2px solid transparent;transition:.25s;}
.league-card:hover{border-color:var(--blue-500);transform:translateY(-3px);box-shadow:var(--shadow-md);}
.league-card a{display:block;}
.league-icon{font-size:40px;margin-bottom:10px;}
.league-name{font-size:15px;font-weight:800;color:var(--blue-900);margin-bottom:6px;}
.league-info{font-size:12px;color:var(--text-sub);line-height:1.5;}
.league-link{display:inline-block;margin-top:10px;font-size:12px;color:var(--blue-600);font-weight:600;}

/* ── World Cup ── */
.wc-section{background:linear-gradient(135deg,#1e3a8a,#1d4ed8);border-radius:16px;
            padding:40px;color:#fff;margin:0;}
.wc-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;flex-wrap:wrap;gap:12px;}
.wc-title{font-size:26px;font-weight:900;}
.wc-title em{font-style:normal;color:#93c5fd;}
.wc-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.wc-card{background:rgba(255,255,255,.1);backdrop-filter:blur(8px);border-radius:10px;
         padding:18px 14px;text-align:center;border:1px solid rgba(255,255,255,.15);
         transition:.25s;}
.wc-card:hover{background:rgba(255,255,255,.18);transform:translateY(-3px);}
.wc-card a{display:block;color:#fff;}
.wc-card-icon{font-size:32px;margin-bottom:8px;}
.wc-card-title{font-size:13px;font-weight:700;color:#fff;line-height:1.4;}
.wc-card-desc{font-size:11px;color:rgba(255,255,255,.65);margin-top:4px;line-height:1.4;}

/* ── Two-column: Teams + Players ── */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.col-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
          border:1px solid var(--border);padding:24px;}
.col-card-title{font-size:17px;font-weight:800;color:var(--blue-900);margin-bottom:18px;
                padding-bottom:10px;border-bottom:2px solid var(--blue-100);}
.list-item{display:flex;align-items:flex-start;gap:12px;padding:12px 0;
           border-bottom:1px solid var(--border);}
.list-item:last-child{border-bottom:none;padding-bottom:0;}
.list-num{width:24px;height:24px;border-radius:50%;background:var(--blue-600);color:#fff;
          font-size:11px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.list-content h4{font-size:14px;font-weight:700;color:var(--text);line-height:1.4;}
.list-content h4 a:hover{color:var(--blue-600);}
.list-content p{font-size:12px;color:var(--text-sub);margin-top:2px;}

/* ── Transfer News ── */
.transfer-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.transfer-card{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
               border:1px solid var(--border);overflow:hidden;transition:.25s;}
.transfer-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--blue-400);}
.transfer-img{height:150px;overflow:hidden;}
.transfer-img img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.transfer-card:hover .transfer-img img{transform:scale(1.06);}
.transfer-body{padding:14px 16px 16px;}
.transfer-badge{display:inline-block;background:var(--blue-100);color:var(--blue-700);
                font-size:11px;font-weight:700;padding:2px 8px;border-radius:4px;margin-bottom:8px;}
.transfer-body h3{font-size:14px;font-weight:700;line-height:1.5;margin-bottom:6px;}
.transfer-body h3 a:hover{color:var(--blue-600);}
.transfer-body p{font-size:12px;color:var(--text-sub);line-height:1.5;}
.transfer-meta{display:flex;align-items:center;justify-content:space-between;margin-top:10px;}
.transfer-arrow{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-sub);}
.arrow-icon{color:var(--blue-600);font-weight:900;}

/* ── Keywords ── */
.keywords-section{background:linear-gradient(135deg,var(--blue-50),#fff);
                  border-radius:16px;padding:36px;border:1px solid var(--blue-100);}
.keywords-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.kw-tag{display:inline-block;background:#fff;border:1.5px solid var(--blue-200,#bfdbfe);
        color:var(--blue-700);padding:7px 16px;border-radius:20px;font-size:13px;
        font-weight:600;transition:.2s;box-shadow:0 1px 4px rgba(37,99,235,.08);}
.kw-tag:hover{background:var(--blue-600);color:#fff;border-color:var(--blue-600);
              transform:translateY(-2px);box-shadow:0 4px 12px rgba(37,99,235,.25);}

/* ── Quick Links ── */
.quick-links{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px;}
.quick-link{background:rgba(255,255,255,.12);color:rgba(255,255,255,.85);
            padding:6px 14px;border-radius:20px;font-size:13px;border:1px solid rgba(255,255,255,.2);}
.quick-link:hover{background:rgba(255,255,255,.22);color:#fff;}

/* ── Footer ── */
.site-footer{background:var(--dark);color:rgba(255,255,255,.75);padding:52px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;}
.footer-brand h2{color:#fff;font-size:18px;font-weight:900;margin-bottom:12px;}
.footer-brand p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.55);}
.footer-nav h3{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;}
.footer-nav ul{display:flex;flex-direction:column;gap:8px;}
.footer-nav ul li a{font-size:13px;color:rgba(255,255,255,.55);transition:.2s;}
.footer-nav ul li a:hover{color:var(--blue-400);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;text-align:center;
               font-size:13px;color:rgba(255,255,255,.4);}
.footer-bottom a{color:rgba(255,255,255,.55);}

/* ── Back-to-top ── */
#back-top{position:fixed;bottom:28px;right:28px;width:44px;height:44px;
          background:var(--blue-600);color:#fff;border-radius:50%;border:none;
          font-size:20px;cursor:pointer;box-shadow:0 4px 16px rgba(37,99,235,.4);
          display:none;align-items:center;justify-content:center;transition:.2s;z-index:999;}
#back-top:hover{background:var(--blue-700);transform:translateY(-3px);}
#back-top.show{display:flex;}

/* ── Divider ── */
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--blue-200,#bfdbfe),transparent);
         margin:48px 0;}

/* ── Featured strip ── */
.featured-strip{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);
                padding:20px 24px;margin-bottom:24px;display:flex;align-items:center;gap:16px;
                border-left:5px solid var(--blue-600);}
.featured-strip .label{background:var(--blue-600);color:#fff;font-size:11px;font-weight:800;
                        padding:4px 10px;border-radius:4px;white-space:nowrap;letter-spacing:.5px;}
.featured-strip a{font-size:14px;font-weight:600;color:var(--blue-700);transition:.2s;}
.featured-strip a:hover{color:var(--blue-900);}

/* ── Responsive ── */
@media(max-width:1024px){
  .leagues-grid{grid-template-columns:repeat(3,1fr);}
  .wc-grid{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .nav-links{display:none;}
  .hamburger{display:block;}
  .news-grid{grid-template-columns:1fr;}
  .leagues-grid{grid-template-columns:repeat(2,1fr);}
  .wc-grid{grid-template-columns:repeat(2,1fr);}
  .two-col{grid-template-columns:1fr;}
  .transfer-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero{padding:48px 0 40px;}
  .wc-section{padding:24px 18px;}
  .keywords-section{padding:24px 16px;}
  .section{padding:36px 0;}
  .ticker-wrap{display:none;}
}
@media(max-width:480px){
  .leagues-grid{grid-template-columns:repeat(2,1fr);}
  .wc-grid{grid-template-columns:1fr 1fr;}
  .hero-stats{gap:18px;}
  .hero h1{font-size:26px;}
}