/* 模板2 — 皇冠体育风格 · 深色导航 + 卡片新闻流 */
:root {
  --primary: #c8102e;
  --primary-dark: #1a1a2e;
  --primary-light: rgba(200,16,46,0.1);
  --gold: #f5a623;
  --bg: #f5f6fa;
  --bg-white: #ffffff;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 4px 20px rgba(0,0,0,.08);
  --nav-bg: #1a1a2e;
  --nav-text: #e5e7eb;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Open Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--text);background:var(--bg);line-height:1.7}
a{color:var(--primary);text-decoration:none;transition:all .3s}
a:hover{color:var(--primary-dark)}
img{max-width:100%;height:auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* ===== TOP BAR ===== */
.topbar{background:var(--primary);color:#fff;font-size:.8rem;padding:6px 0}
.topbar__inner{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#fff;opacity:.9}
.topbar a:hover{opacity:1}

/* ===== HEADER / NAV ===== */
.header{background:var(--nav-bg);position:sticky;top:0;z-index:1000;box-shadow:0 2px 10px rgba(0,0,0,.3)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:64px;padding:0 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;gap:10px}
.logo__text{font-size:1.4rem;font-weight:800;color:#fff;letter-spacing:1px}
.logo__text span{color:var(--gold)}
.nav__list{display:flex;align-items:center;gap:4px;list-style:none}
.nav__link{padding:8px 16px;border-radius:6px;color:var(--nav-text);font-size:.95rem;font-weight:500;transition:all .25s}
.nav__link:hover,.nav__link--active{background:var(--primary);color:#fff}
.nav__btns{display:flex;gap:10px;margin-left:20px}
.btn-login{padding:8px 18px;border-radius:6px;border:1px solid rgba(255,255,255,.3);color:#fff;font-size:.9rem;transition:all .3s}
.btn-login:hover{background:rgba(255,255,255,.1);color:#fff}
.btn-register{padding:8px 18px;border-radius:6px;background:var(--gold);color:#1a1a2e;font-weight:700;font-size:.9rem;transition:all .3s}
.btn-register:hover{background:#e09410;color:#1a1a2e}
.mobile-menu-btn{display:none;background:none;border:none;color:#fff;font-size:1.4rem;cursor:pointer}

/* ===== HERO ===== */
.hero{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 50%,#0f3460 100%);color:#fff;padding:80px 0;position:relative;overflow:hidden}
.hero::before{content:'';position:absolute;top:-50%;right:-10%;width:600px;height:600px;background:radial-gradient(circle,rgba(200,16,46,.15) 0%,transparent 70%);border-radius:50%}
.hero__badge{display:inline-block;background:var(--primary);color:#fff;font-size:.8rem;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:16px;letter-spacing:1px}
.hero__title{font-size:clamp(2rem,5vw,3.2rem);font-weight:800;line-height:1.2;margin-bottom:16px}
.hero__title span{color:var(--gold)}
.hero__sub{font-size:1.05rem;opacity:.85;max-width:560px;margin-bottom:36px;line-height:1.8}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap}
.btn--hero-primary{background:var(--primary);color:#fff;padding:13px 30px;border-radius:var(--radius);font-weight:700;font-size:1rem;display:inline-flex;align-items:center;gap:8px;transition:all .3s}
.btn--hero-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 25px rgba(200,16,46,.4)}
.btn--hero-outline{border:2px solid rgba(255,255,255,.5);color:#fff;padding:13px 30px;border-radius:var(--radius);font-weight:600;font-size:1rem;display:inline-flex;align-items:center;gap:8px;transition:all .3s}
.btn--hero-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}

/* ===== STATS BAR ===== */
.stats-bar{background:#fff;box-shadow:var(--shadow);padding:28px 0}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:0;text-align:center}
.stat-item{padding:0 20px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:2rem;font-weight:800;color:var(--primary);line-height:1}
.stat-label{font-size:.85rem;color:var(--text-light);margin-top:6px}

/* ===== SECTION ===== */
.section{padding:64px 0}
.section--gray{background:var(--bg)}
.section--white{background:#fff}
.section__hd{text-align:center;margin-bottom:48px}
.section__title{font-size:1.8rem;font-weight:800;color:var(--text);margin-bottom:10px;position:relative;display:inline-block}
.section__title::after{content:'';display:block;width:50px;height:3px;background:var(--primary);margin:10px auto 0;border-radius:2px}
.section__sub{color:var(--text-light);font-size:1rem;margin-top:14px}

/* ===== 新闻卡片 ===== */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px}
.news-card{background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:all .3s}
.news-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.12)}
.news-card__img{width:100%;height:180px;object-fit:cover;background:linear-gradient(135deg,#1a1a2e,#0f3460)}
.news-card__img-placeholder{width:100%;height:180px;display:flex;align-items:center;justify-content:center;font-size:2.5rem;background:linear-gradient(135deg,#1a1a2e,#0f3460)}
.news-card__body{padding:20px}
.news-card__cat{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:.75rem;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:10px}
.news-card__title{font-size:1rem;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__title a{color:var(--text)}
.news-card__title a:hover{color:var(--primary)}
.news-card__meta{font-size:.8rem;color:var(--text-light);display:flex;gap:12px}
.news-card__excerpt{font-size:.9rem;color:var(--text-light);line-height:1.6;margin:8px 0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ===== 功能特性 ===== */
.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.feature-card{background:#fff;border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border-top:3px solid var(--primary);transition:all .3s}
.feature-card:hover{transform:translateY(-3px)}
.feature-icon{width:52px;height:52px;background:var(--primary-light);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px}
.feature-title{font-weight:700;font-size:1rem;margin-bottom:8px}
.feature-desc{color:var(--text-light);font-size:.9rem;line-height:1.7}

/* ===== FAQ ===== */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow)}
.faq-q{font-weight:700;color:var(--primary);margin-bottom:10px;font-size:.98rem}
.faq-a{color:var(--text-light);font-size:.93rem;line-height:1.75}

/* ===== CTA SECTION ===== */
.cta-section{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;padding:64px 0;text-align:center}
.cta-title{font-size:2rem;font-weight:800;margin-bottom:14px}
.cta-sub{opacity:.9;font-size:1.05rem;margin-bottom:32px}
.btn--cta-white{background:#fff;color:var(--primary);padding:13px 32px;border-radius:var(--radius);font-weight:700;font-size:1rem;display:inline-flex;align-items:center;gap:8px;transition:all .3s}
.btn--cta-white:hover{background:#f1f5f9;transform:translateY(-2px)}
.btn--cta-outline{border:2px solid rgba(255,255,255,.6);color:#fff;padding:13px 32px;border-radius:var(--radius);font-weight:600;font-size:1rem;display:inline-flex;align-items:center;gap:8px;transition:all .3s;margin-left:14px}
.btn--cta-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}

/* ===== FOOTER ===== */
.footer{background:#1a1a2e;color:#9ca3af;padding:50px 0 24px}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer__brand-name{font-size:1.3rem;font-weight:800;color:#fff;margin-bottom:12px}
.footer__brand-name span{color:var(--gold)}
.footer__desc{font-size:.9rem;line-height:1.8}
.footer__heading{color:#fff;font-weight:700;font-size:.95rem;margin-bottom:16px}
.footer__links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer__links a{color:#9ca3af;font-size:.9rem;transition:color .3s}
.footer__links a:hover{color:var(--gold)}
.footer__bottom{border-top:1px solid #2d3748;padding-top:24px;text-align:center;font-size:.85rem}

/* ===== 文章页 ===== */
.article-header{background:linear-gradient(135deg,#1a1a2e,#0f3460);color:#fff;padding:60px 0 40px}
.article-cat{display:inline-block;background:var(--primary);color:#fff;font-size:.8rem;padding:4px 12px;border-radius:20px;margin-bottom:14px}
.article-title{font-size:2rem;font-weight:800;line-height:1.3;margin-bottom:16px}
.article-meta{display:flex;gap:16px;font-size:.85rem;opacity:.8;flex-wrap:wrap}
.article-body{max-width:860px;margin:48px auto;padding:0 20px}
.article-body p{margin-bottom:18px;line-height:1.9;color:#374151}
.article-body h2{font-size:1.35rem;font-weight:700;margin:32px 0 14px;color:var(--text)}
.article-body h3{font-size:1.15rem;font-weight:700;margin:24px 0 10px;color:var(--text)}
.breadcrumb{font-size:.85rem;color:rgba(255,255,255,.7);margin-bottom:16px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:#fff}

/* ===== MOBILE ===== */
@media(max-width:768px){
  .footer__grid{grid-template-columns:1fr 1fr}
  .nav__list,.nav__btns{display:none}
  .mobile-menu-btn{display:block}
  .nav--open .nav__list,.nav--open .nav__btns{display:flex;flex-direction:column;position:absolute;top:64px;left:0;right:0;background:var(--nav-bg);padding:16px;gap:8px}
  .nav--open .nav__btns{flex-direction:row;padding-top:0}
  .hero__title{font-size:1.8rem}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat-item{border-right:none;border-bottom:1px solid var(--border);padding:16px 0}
  .stat-item:last-child{border-bottom:none}
  .article-title{font-size:1.5rem}
}
@media(max-width:480px){
  .footer__grid{grid-template-columns:1fr}
  .btn--cta-outline{margin-left:0;margin-top:12px}
}