/* ============================================
   开云体育 - 全站样式表
   配色方案: 深蓝 #0d1b3e + 金色 #c9a84c + 白色
   字体: 思源黑体 + 系统字体
   ============================================ */

/* CSS Reset & Base */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;color:#e8e8e8;background:#0a0f1e;line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:#c9a84c;text-decoration:none;transition:color .25s}
a:hover{color:#e6c76a}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700}

/* Container */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}

/* ============ HEADER ============ */
.site-header{background:linear-gradient(135deg,#0d1b3e 0%,#162550 100%);padding:12px 0;border-bottom:2px solid #c9a84c;position:relative;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px}
.logo-wrap{display:flex;align-items:center;gap:10px}
.logo-wrap img{width:48px;height:48px;border-radius:8px}
.logo-wrap .brand-name{font-size:1.25rem;font-weight:800;color:#c9a84c;letter-spacing:1px}

/* Desktop Nav */
.main-nav{display:flex;align-items:center;gap:0}
.main-nav a{display:block;padding:10px 14px;font-size:.88rem;color:#d0d0d0;font-weight:500;border-radius:6px;transition:background .2s,color .2s;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(201,168,76,.15);color:#c9a84c}

/* Mobile Menu Toggle */
.menu-toggle{display:none;background:none;border:2px solid #c9a84c;color:#c9a84c;font-size:1.5rem;padding:6px 10px;border-radius:6px;cursor:pointer}

/* ============ HERO ============ */
.hero-section{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:#0d1b3e}
.hero-bg{position:absolute;inset:0;z-index:1}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.35}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,27,62,.7) 0%,rgba(10,15,30,.9) 100%);z-index:2}
.hero-content{position:relative;z-index:3;text-align:center;padding:60px 16px}
.hero-content h1{font-size:2.5rem;color:#fff;margin-bottom:16px;text-shadow:0 2px 12px rgba(0,0,0,.5)}
.hero-content h1 span{color:#c9a84c}
.hero-content p{font-size:1.1rem;color:#c0c0c0;max-width:700px;margin:0 auto 28px;line-height:1.8}
.hero-cta{display:inline-block;padding:14px 40px;background:linear-gradient(135deg,#c9a84c,#e6c76a);color:#0d1b3e;font-weight:700;font-size:1.05rem;border-radius:50px;box-shadow:0 4px 20px rgba(201,168,76,.4);transition:transform .2s,box-shadow .2s}
.hero-cta:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(201,168,76,.6);color:#0d1b3e}

/* ============ SECTION COMMON ============ */
.section{padding:50px 0}
.section-dark{background:#0d1221}
.section-alt{background:#111a33}
.section-title{text-align:center;margin-bottom:36px}
.section-title h2{font-size:1.9rem;color:#fff;margin-bottom:8px}
.section-title .gold-line{width:60px;height:3px;background:#c9a84c;margin:0 auto;border-radius:2px}
.section-title p{color:#999;margin-top:10px;font-size:.95rem}

/* ============ BREADCRUMB ============ */
.breadcrumb{padding:12px 0;font-size:.85rem;color:#888}
.breadcrumb a{color:#c9a84c}
.breadcrumb span{margin:0 6px;color:#555}

/* ============ CARD GRID ============ */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px}
.card{background:linear-gradient(145deg,#131d3a,#0e1730);border:1px solid rgba(201,168,76,.15);border-radius:14px;overflow:hidden;transition:transform .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(201,168,76,.15)}
.card-img{position:relative;overflow:hidden;aspect-ratio:16/10}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .card-img img{transform:scale(1.05)}
.card-body{padding:18px}
.card-body h3{font-size:1.1rem;color:#fff;margin-bottom:8px}
.card-body p{font-size:.88rem;color:#aaa;line-height:1.7}
.card-tag{display:inline-block;padding:3px 10px;background:rgba(201,168,76,.15);color:#c9a84c;font-size:.75rem;border-radius:20px;margin-bottom:8px}

/* ============ ODDS TABLE ============ */
.odds-table{width:100%;border-collapse:collapse;margin:20px 0}
.odds-table th{background:#162550;color:#c9a84c;padding:12px 16px;text-align:left;font-size:.88rem;border-bottom:2px solid #c9a84c}
.odds-table td{padding:12px 16px;border-bottom:1px solid rgba(255,255,255,.06);font-size:.88rem;color:#ccc}
.odds-table tr:hover td{background:rgba(201,168,76,.05)}
.odds-table .team-cell{display:flex;align-items:center;gap:8px}
.odds-value{font-weight:700;color:#c9a84c}
.result-win{color:#4caf50;font-weight:600}
.result-lose{color:#f44336;font-weight:600}
.result-draw{color:#ff9800;font-weight:600}

/* ============ ESPORTS PREDICTIONS ============ */
.prediction-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.prediction-card{background:linear-gradient(145deg,#0f1a35,#162040);border:1px solid rgba(201,168,76,.12);border-radius:14px;overflow:hidden}
.prediction-card .match-header{display:flex;align-items:center;justify-content:space-between;padding:16px;background:rgba(201,168,76,.06);border-bottom:1px solid rgba(201,168,76,.1)}
.prediction-card .match-header .game-name{color:#c9a84c;font-weight:700;font-size:.9rem}
.prediction-card .match-header .match-date{color:#888;font-size:.8rem}
.prediction-card .match-body{padding:16px}
.prediction-card .teams{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.prediction-card .team{text-align:center;flex:1}
.prediction-card .team .name{color:#fff;font-weight:600;font-size:.95rem}
.prediction-card .vs{color:#c9a84c;font-weight:800;font-size:1.2rem}
.prediction-card .prediction-text{font-size:.85rem;color:#bbb;line-height:1.7;padding:10px;background:rgba(0,0,0,.2);border-radius:8px}
.prediction-card .prediction-img{aspect-ratio:16/9;overflow:hidden}
.prediction-card .prediction-img img{width:100%;height:100%;object-fit:cover}

/* ============ LICENSE SECTION ============ */
.license-block{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center}
.license-block .license-img{border-radius:12px;overflow:hidden;border:2px solid rgba(201,168,76,.2)}
.license-block .license-img img{width:100%;height:auto}
.license-info h3{color:#c9a84c;font-size:1.3rem;margin-bottom:12px}
.license-info p{color:#bbb;line-height:1.8;margin-bottom:12px;font-size:.92rem}
.license-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(201,168,76,.1);border:1px solid #c9a84c;border-radius:8px;color:#c9a84c;font-weight:600;font-size:.88rem}

/* ============ VIDEO MODULE ============ */
.video-wrapper{position:relative;max-width:800px;margin:0 auto;border-radius:14px;overflow:hidden;border:2px solid rgba(201,168,76,.2)}
.video-wrapper video{width:100%;display:block}
.video-placeholder{position:relative;aspect-ratio:16/9;background:#111;display:flex;align-items:center;justify-content:center;cursor:pointer}
.video-placeholder img{width:100%;height:100%;object-fit:cover;opacity:.6}
.play-btn{position:absolute;width:72px;height:72px;background:rgba(201,168,76,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 20px rgba(0,0,0,.5);transition:transform .2s}
.play-btn::after{content:'';width:0;height:0;border-left:24px solid #0d1b3e;border-top:14px solid transparent;border-bottom:14px solid transparent;margin-left:4px}
.video-placeholder:hover .play-btn{transform:scale(1.1)}

/* ============ ABOUT MODULE ============ */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.about-text h3{color:#c9a84c;font-size:1.3rem;margin-bottom:14px}
.about-text p{color:#bbb;line-height:1.85;margin-bottom:14px;font-size:.92rem}
.about-img{border-radius:14px;overflow:hidden;border:2px solid rgba(201,168,76,.15)}
.about-img img{width:100%;height:auto}

/* ============ REGISTER MODULE ============ */
.register-section{background:linear-gradient(135deg,#162550,#0d1b3e);border:2px solid rgba(201,168,76,.2);border-radius:16px;padding:40px;text-align:center;max-width:600px;margin:0 auto}
.register-section h3{color:#c9a84c;font-size:1.4rem;margin-bottom:14px}
.register-section p{color:#bbb;margin-bottom:24px;line-height:1.7}
.register-form{display:flex;flex-direction:column;gap:14px;max-width:400px;margin:0 auto}
.register-form input{padding:12px 16px;border:1px solid rgba(201,168,76,.3);background:rgba(0,0,0,.3);color:#fff;border-radius:8px;font-size:.95rem}
.register-form input:focus{outline:none;border-color:#c9a84c}
.register-form button{padding:14px;background:linear-gradient(135deg,#c9a84c,#e6c76a);color:#0d1b3e;font-weight:700;border:none;border-radius:8px;cursor:pointer;font-size:1rem;transition:transform .2s}
.register-form button:hover{transform:translateY(-2px)}

/* ============ ARTICLES ============ */
.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px}
.article-card{background:linear-gradient(145deg,#131d3a,#0e1730);border:1px solid rgba(201,168,76,.1);border-radius:12px;overflow:hidden;transition:transform .2s}
.article-card:hover{transform:translateY(-3px)}
.article-card .article-thumb{aspect-ratio:16/9;overflow:hidden}
.article-card .article-thumb img{width:100%;height:100%;object-fit:cover}
.article-card .article-body{padding:18px}
.article-card .article-body h3{font-size:1.05rem;color:#fff;margin-bottom:8px}
.article-card .article-body p{font-size:.85rem;color:#999;line-height:1.7}
.article-card .article-meta{display:flex;justify-content:space-between;padding:10px 18px;border-top:1px solid rgba(255,255,255,.05);font-size:.78rem;color:#777}

/* ============ FAQ ============ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid rgba(201,168,76,.12);border-radius:10px;margin-bottom:12px;overflow:hidden;background:#0f1730}
.faq-question{padding:16px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;color:#fff;font-weight:600;font-size:.95rem;transition:background .2s}
.faq-question:hover{background:rgba(201,168,76,.06)}
.faq-question .arrow{color:#c9a84c;font-size:1.2rem;transition:transform .3s}
.faq-item.open .faq-question .arrow{transform:rotate(180deg)}
.faq-answer{padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease}
.faq-item.open .faq-answer{max-height:500px;padding:0 20px 16px}
.faq-answer p{color:#bbb;font-size:.9rem;line-height:1.8}

/* ============ REVIEWS ============ */
.review-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:20px}
.review-card{background:linear-gradient(145deg,#131d3a,#0e1730);border:1px solid rgba(201,168,76,.1);border-radius:12px;padding:20px}
.review-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#c9a84c,#e6c76a);display:flex;align-items:center;justify-content:center;color:#0d1b3e;font-weight:800;font-size:1.1rem}
.review-meta .reviewer-name{color:#fff;font-weight:600;font-size:.95rem}
.review-meta .reviewer-info{color:#888;font-size:.78rem}
.review-stars{color:#c9a84c;font-size:.9rem;margin-bottom:8px;letter-spacing:2px}
.review-text{color:#bbb;font-size:.88rem;line-height:1.7}
.review-date{color:#666;font-size:.75rem;margin-top:10px}

/* ============ PAYMENT ============ */
.payment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}
.payment-card{background:rgba(255,255,255,.04);border:1px solid rgba(201,168,76,.1);border-radius:10px;padding:20px;text-align:center}
.payment-card img{width:60px;height:40px;object-fit:contain;margin:0 auto 10px}
.payment-card h4{color:#fff;font-size:.9rem;margin-bottom:6px}
.payment-card p{color:#888;font-size:.78rem}

/* ============ SUPPORT ============ */
.support-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.support-card{background:linear-gradient(145deg,#131d3a,#0e1730);border:1px solid rgba(201,168,76,.1);border-radius:12px;padding:24px;text-align:center}
.support-icon{font-size:2.5rem;margin-bottom:12px}
.support-card h4{color:#c9a84c;font-size:1rem;margin-bottom:8px}
.support-card p{color:#bbb;font-size:.85rem;line-height:1.6}

/* ============ PROMO / DEPOSIT ============ */
.promo-banner{background:linear-gradient(135deg,#1a2d5e,#0d1b3e);border:2px solid #c9a84c;border-radius:16px;padding:40px;text-align:center;position:relative;overflow:hidden}
.promo-banner::before{content:'';position:absolute;top:-50%;right:-30%;width:300px;height:300px;background:radial-gradient(circle,rgba(201,168,76,.15),transparent);border-radius:50%}
.promo-banner h3{color:#c9a84c;font-size:1.6rem;margin-bottom:12px;position:relative}
.promo-banner p{color:#ccc;font-size:1rem;line-height:1.7;max-width:600px;margin:0 auto 24px;position:relative}
.promo-badge{display:inline-block;padding:6px 20px;background:#c9a84c;color:#0d1b3e;font-weight:700;border-radius:20px;font-size:.85rem;margin-bottom:16px;position:relative}

/* ============ RESPONSIBLE GAMING ============ */
.responsible-section{background:#0a0f1e;border-top:1px solid rgba(201,168,76,.1);padding:40px 0}
.responsible-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.responsible-card{padding:20px;border:1px solid rgba(255,255,255,.06);border-radius:10px;text-align:center}
.responsible-card .icon{font-size:2rem;margin-bottom:10px}
.responsible-card h4{color:#fff;font-size:.95rem;margin-bottom:8px}
.responsible-card p{color:#999;font-size:.83rem;line-height:1.6}

/* ============ FOOTER ============ */
.site-footer{background:#060a16;border-top:2px solid rgba(201,168,76,.15);padding:40px 0 20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:30px;margin-bottom:30px}
.footer-col h4{color:#c9a84c;font-size:.95rem;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid rgba(201,168,76,.15)}
.footer-col a{display:block;color:#999;font-size:.85rem;padding:4px 0;transition:color .2s}
.footer-col a:hover{color:#c9a84c}
.footer-col p{color:#888;font-size:.83rem;line-height:1.6}
.footer-social{display:flex;gap:12px;margin-top:10px}
.footer-social a{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:rgba(201,168,76,.1);color:#c9a84c;font-size:.9rem;transition:background .2s}
.footer-social a:hover{background:rgba(201,168,76,.25)}
.footer-bottom{text-align:center;padding-top:20px;border-top:1px solid rgba(255,255,255,.05)}
.footer-bottom p{color:#666;font-size:.78rem;line-height:1.6}
.footer-payments{display:flex;justify-content:center;gap:16px;margin:16px 0;flex-wrap:wrap}
.footer-payments img{height:28px;width:auto;opacity:.7;transition:opacity .2s}
.footer-payments img:hover{opacity:1}
.age-badge{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:2px solid #f44336;color:#f44336;font-weight:800;font-size:.85rem;margin:10px auto}

/* ============ INNER PAGE ============ */
.page-hero{background:linear-gradient(135deg,#0d1b3e,#162550);padding:50px 0 30px;text-align:center}
.page-hero h1{font-size:2rem;color:#fff;margin-bottom:10px}
.page-hero p{color:#999;font-size:.95rem}
.content-section{padding:40px 0}
.content-section h2{color:#c9a84c;font-size:1.5rem;margin-bottom:16px}
.content-section h3{color:#fff;font-size:1.2rem;margin:20px 0 10px}
.content-section p{color:#bbb;line-height:1.85;margin-bottom:14px;font-size:.92rem}
.content-section ul{margin:10px 0 14px 20px}
.content-section ul li{color:#bbb;font-size:.9rem;line-height:1.7;padding:4px 0;position:relative;padding-left:16px}
.content-section ul li::before{content:'▸';position:absolute;left:0;color:#c9a84c}
.content-img{border-radius:12px;overflow:hidden;margin:20px 0;border:1px solid rgba(201,168,76,.1)}
.content-img img{width:100%;height:auto}

/* ============ APP DOWNLOAD ============ */
.download-hero{background:linear-gradient(135deg,#0d1b3e,#1a2d5e);padding:60px 0;text-align:center}
.download-hero h1{font-size:2.2rem;color:#fff;margin-bottom:14px}
.download-hero p{color:#bbb;max-width:600px;margin:0 auto 30px;line-height:1.7}
.download-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.download-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;border-radius:12px;font-weight:600;font-size:.95rem;transition:transform .2s}
.download-btn.ios{background:linear-gradient(135deg,#333,#111);color:#fff;border:1px solid #555}
.download-btn.android{background:linear-gradient(135deg,#1b5e20,#2e7d32);color:#fff}
.download-btn:hover{transform:translateY(-2px)}
.download-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px;margin-top:40px}
.download-feature{background:rgba(255,255,255,.03);border:1px solid rgba(201,168,76,.1);border-radius:12px;padding:24px;text-align:center}
.download-feature .feat-icon{font-size:2rem;margin-bottom:10px}
.download-feature h4{color:#fff;margin-bottom:8px}
.download-feature p{color:#999;font-size:.85rem;line-height:1.6}

/* ============ RESPONSIVE ============ */
@media(max-width:1024px){
  .license-block,.about-grid{grid-template-columns:1fr}
  .hero-content h1{font-size:2rem}
}
@media(max-width:768px){
  .main-nav{display:none;flex-direction:column;width:100%;background:#0d1b3e;position:absolute;top:100%;left:0;padding:10px;border-top:1px solid rgba(201,168,76,.2);z-index:99}
  .main-nav.open{display:flex}
  .menu-toggle{display:block}
  .hero-content h1{font-size:1.6rem}
  .hero-content p{font-size:.95rem}
  .hero-section{min-height:400px}
  .section{padding:30px 0}
  .card-grid{grid-template-columns:1fr}
  .prediction-cards{grid-template-columns:1fr}
  .article-grid{grid-template-columns:1fr}
  .review-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .odds-table{font-size:.8rem}
  .odds-table th,.odds-table td{padding:8px 10px}
  .register-section{padding:24px 16px}
  .promo-banner{padding:24px 16px}
}
@media(max-width:480px){
  .footer-grid{grid-template-columns:1fr}
  .download-btns{flex-direction:column;align-items:center}
  .header-inner{justify-content:space-between}
  .logo-wrap .brand-name{font-size:1rem}
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.fade-in{animation:fadeInUp .6s ease both}
.delay-1{animation-delay:.1s}
.delay-2{animation-delay:.2s}
.delay-3{animation-delay:.3s}

/* ============ UTILITY ============ */
.text-gold{color:#c9a84c}
.text-center{text-align:center}
.mt-20{margin-top:20px}
.mb-20{margin-bottom:20px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}