/* 博彩体育站点样式 - SEO优化版 */
:root {
    --color-primary: #0e9f6e;
    --color-primary-dark: #057a55;
    --color-primary-light: #0e9f6e33;
    --color-bg: #ffffff;
    --color-bg-gray: #f8fafc;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #e2e8f0;
    --header-bg: rgba(255,255,255,0.98);
    --icon-color: var(--color-primary);
    --login-color: var(--color-primary);
    --radius: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.10);
    --transition: all 0.3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.6}
a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--color-primary-dark)}
img{max-width:100%;height:auto}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}

/* Header */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,0.98);backdrop-filter:blur(10px);border-bottom:1px solid var(--color-border);box-shadow:0 2px 8px rgba(0,0,0,0.06)}
.header__inner{display:flex;align-items:center;justify-content:space-between;height:130px;padding:0 20px;max-width:1200px;margin:0 auto}
.logo{display:flex;align-items:center;height:100%;min-width:140px}
.logo a{display:flex;align-items:center;height:100%}
.logo__img{width:360px;height:120px;object-fit:contain}
.nav{margin-left:auto;display:flex;align-items:center}
.nav__list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0}
.nav__link{position:relative;padding:8px 18px;border-radius:6px;font-weight:500;font-size:15px;color:#374151;transition:var(--transition);display:flex;align-items:center;justify-content:center;min-width:80px;text-align:center;letter-spacing:0.5px;height:44px}
.nav__link:hover{color:#1a56db;background:rgba(0,0,0,0.05)}
.nav__link--active{color:#fff!important;background:var(--color-primary)!important;font-weight:600;box-shadow:0 4px 12px rgba(0,0,0,0.15)}
.nav__login{margin-left:16px;display:flex;align-items:center}
.nav__login-btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 20px;border-radius:6px;font-weight:600;font-size:15px;transition:var(--transition);border:2px solid var(--login-color);color:var(--login-color);min-width:90px;text-align:center;background:transparent}
.nav__login-btn:hover{background:var(--login-color);color:#fff}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--color-text)}

/* Hero */
.hero{margin-top:70px;padding:100px 0;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;text-align:center}
.hero__title{font-size:clamp(2rem,5vw,3.5rem);font-weight:800;line-height:1.2;margin-bottom:20px}
.hero__subtitle{font-size:clamp(1rem,2vw,1.25rem);opacity:.9;max-width:640px;margin:0 auto 40px}
.hero__btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-weight:600;transition:var(--transition);cursor:pointer;border:none;font-size:1rem}
.btn--primary{background:var(--color-primary);color:#fff}
.btn--primary:hover{background:var(--color-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 25px rgba(0,0,0,.2)}
.btn--white{background:#fff;color:var(--color-primary)}
.btn--white:hover{background:#f1f5f9;color:var(--color-primary-dark)}
.btn--outline{background:transparent;color:var(--icon-color);border:2px solid var(--icon-color)}
.btn--outline:hover{background:var(--icon-color);color:#fff}
.btn--outline-white{background:transparent;color:#fff;border:2px solid #fff}
.btn--outline-white:hover{background:#fff;color:var(--color-primary)}

/* Section */
.section{padding:80px 0}
.section__header{text-align:center;margin-bottom:60px}
.section__title{font-size:2rem;font-weight:700;color:var(--color-text);margin-bottom:12px}
.section__subtitle{color:var(--color-text-light);font-size:1.1rem}

/* Cards */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.card{background:var(--color-bg-gray);border-radius:12px;padding:32px;border:1px solid var(--color-border);transition:var(--transition)}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--color-primary)}
.card__icon{font-size:2.5rem;color:var(--icon-color);margin-bottom:16px}
.card__title{font-size:1.25rem;font-weight:600;margin-bottom:12px}
.card__text{color:var(--color-text-light)}

/* Stats */
.stats-section{background:var(--color-bg-gray);padding:60px 0}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px}
.stat-item{text-align:center;padding:32px}
.stat-number{font-size:3rem;font-weight:800;color:var(--icon-color);line-height:1}
.stat-label{color:var(--color-text-light);margin-top:8px}

/* News */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--color-bg);border-radius:12px;overflow:hidden;border:1px solid var(--color-border);transition:var(--transition)}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-card__img-wrap{width:100%;height:200px;overflow:hidden;background:linear-gradient(135deg,var(--color-primary-light),var(--color-primary));display:flex;align-items:center;justify-content:center}
.news-card__img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform 0.3s}
.news-card:hover .news-card__img-wrap img{transform:scale(1.05)}
.news-card__body{padding:20px}
.news-card__title{font-size:1.05rem;font-weight:600;margin-bottom:8px;line-height:1.4}
.news-card__title a{color:var(--color-text)}
.news-card__title a:hover{color:var(--color-primary)}
.news-card__meta{color:var(--color-text-light);font-size:.875rem;margin-bottom:12px}
.news-card__excerpt{color:var(--color-text-light);font-size:.9rem;line-height:1.6;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* Page Banner */
.page-banner{margin-top:70px;padding:80px 0;background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;text-align:center}
.page-banner h1{font-size:2.5rem;font-weight:700;margin-bottom:12px}
.page-banner p{font-size:1.1rem;opacity:.9}

/* Article Page */
.article-wrap{margin-top:70px;padding:60px 0}
.article-shell{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:28px;align-items:start}
.article-main{min-width:0;background:var(--color-bg);border:1px solid var(--color-border);border-radius:18px;padding:32px;box-shadow:0 12px 30px rgba(15,23,42,.06);font-size:1.05rem;line-height:1.8}
.article-header{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--color-border)}
.article-header h1{font-size:2rem;font-weight:700;line-height:1.3;margin-bottom:16px;color:var(--color-text)}
.article-meta{color:var(--color-text-light);font-size:.875rem;display:flex;gap:20px;flex-wrap:wrap}
.article-meta i{color:var(--color-primary);margin-right:4px}
.article-cover{width:100%;border-radius:12px;margin-bottom:28px;max-height:400px;object-fit:cover}
.article-body h2{font-size:1.5rem;font-weight:700;margin:32px 0 14px;color:var(--color-text)}
.article-body h3{font-size:1.2rem;font-weight:600;margin:24px 0 12px;color:var(--color-text)}
.article-body p{margin-bottom:16px;color:var(--color-text)}
.article-body ul,.article-body ol{margin:0 0 16px 24px}
.article-body li{margin-bottom:8px}
.article-body blockquote{margin:20px 0;padding:16px 20px;border-left:4px solid var(--color-primary);background:var(--color-bg-gray);border-radius:0 8px 8px 0;font-style:italic}
.article-body strong{color:var(--color-text);font-weight:600}
.article-toc{padding:18px 20px;border:1px solid #dbeafe;border-radius:16px;background:linear-gradient(180deg,#f8fbff 0%,#eef6ff 100%);margin:22px 0;box-shadow:0 10px 28px rgba(30,64,175,.10)}
.article-toc-title{display:flex;align-items:center;gap:10px;margin-bottom:12px;font-weight:600;color:#0f172a}
.toc-badge{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:#dbeafe;color:#1d4ed8;font-weight:700;font-size:.8rem}
.toc-list{list-style:none;padding:0;margin:0}
.toc-item{margin-bottom:6px}
.toc-link{color:#1d4ed8;font-size:.9rem;padding-left:20px;position:relative;display:block}
.toc-link::before{content:"›";position:absolute;left:6px;color:#93c5fd}
.toc-item--sub .toc-link{padding-left:36px;font-size:.85rem;color:#3b82f6}
.article-faq{margin-top:32px;padding-top:8px}
.faq-item{padding:16px 18px;border:1px solid var(--color-border);border-radius:12px;background:var(--color-bg-gray);margin-bottom:12px}
.faq-item h3{margin:0 0 10px;font-size:1rem;color:var(--color-text)}
.faq-item p{margin:0;color:var(--color-text-light);font-size:.95rem}

/* Sidebar */
.article-side{}
.side-cta{background:linear-gradient(135deg,#1d4ed8 0%,#7c3aed 100%);color:#fff;border-radius:14px;padding:20px;margin-bottom:20px;text-align:center}
.side-cta h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:.875rem;opacity:.9;margin-bottom:16px}
.side-cta .btn{width:100%;justify-content:center;background:#fff;color:#1d4ed8;font-weight:700}
.side-cta .btn:hover{background:#f1f5f9}
.side-card{background:var(--color-bg);border:1px solid var(--color-border);border-radius:14px;padding:16px;margin-bottom:16px}
.side-card h3{font-size:1rem;font-weight:600;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--color-border)}
.side-related-item{display:flex;gap:10px;margin-bottom:12px;padding-bottom:12px;border-bottom:1px solid var(--color-border)}
.side-related-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}
.side-related-item img{width:90px;height:68px;object-fit:cover;border-radius:6px;flex-shrink:0}
.side-related-title{font-size:.85rem;font-weight:500;color:var(--color-text);line-height:1.4}
.side-related-title:hover{color:var(--color-primary)}
.side-related-date{font-size:.75rem;color:var(--color-text-light);margin-top:4px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px}
.side-tag{display:inline-block;padding:4px 12px;border-radius:20px;background:var(--color-bg-gray);border:1px solid var(--color-border);font-size:.8rem;color:var(--color-text-light)}
.side-tag:hover{border-color:var(--color-primary);color:var(--color-primary)}

/* News List Page */
.news-list-wrap{padding:60px 0}
.news-list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}

/* Pagination */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:48px}
.page-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:8px;border:1px solid var(--color-border);color:var(--color-text-light);font-weight:500;transition:var(--transition)}
.page-btn:hover,.page-btn--active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}

/* FAQ Section */
.faq-section{background:var(--color-bg-gray)}
.faq-accordion{}
.faq-item-main{border:1px solid var(--color-border);border-radius:12px;margin-bottom:12px;overflow:hidden}
.faq-question{display:flex;justify-content:space-between;align-items:center;padding:18px 20px;cursor:pointer;font-weight:600;color:var(--color-text);background:var(--color-bg);user-select:none}
.faq-question:hover{color:var(--color-primary)}
.faq-question i{transition:transform .3s;color:var(--color-primary)}
.faq-answer{padding:0 20px 18px;color:var(--color-text-light);display:none}
.faq-item-main.open .faq-answer{display:block}
.faq-item-main.open .faq-question i{transform:rotate(180deg)}

/* CTA Section */
.cta-section{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-dark) 100%);color:#fff;text-align:center;padding:80px 0}
.cta-section h2{font-size:2.2rem;font-weight:700;margin-bottom:16px}
.cta-section p{font-size:1.1rem;opacity:.9;margin-bottom:36px;max-width:500px;margin-left:auto;margin-right:auto}

/* Footer */
.footer{background:var(--color-bg-gray);border-top:1px solid var(--color-border);padding:60px 0 20px}
.footer__top{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}
.footer__title{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--color-text)}
.footer__text{color:var(--color-text-light);line-height:1.8;font-size:.95rem}
.footer__links{list-style:none;padding:0}
.footer__links li{margin-bottom:8px}
.footer__links a{color:var(--color-text-light);font-size:.95rem}
.footer__links a:hover{color:var(--color-primary)}
.footer__contact li{display:flex;align-items:center;gap:10px;margin-bottom:10px;color:var(--color-text-light);font-size:.95rem;list-style:none}
.footer__contact i{color:var(--icon-color);width:16px}
.footer__bottom{border-top:1px solid var(--color-border);padding-top:20px;text-align:center}
.footer__copyright{color:var(--color-text-light);font-size:.875rem}
.footer__copyright a{color:var(--color-text-light)}
.footer__copyright a:hover{color:var(--color-primary)}
.friendly-links{margin-top:8px;font-size:.8rem;color:var(--color-text-light)}
.friendly-links a{color:var(--color-text-light);margin:0 6px}
.friendly-links a:hover{color:var(--color-primary)}

/* Responsive */
@media(max-width:900px){
    .news-grid,.news-list-grid{grid-template-columns:repeat(2,1fr)}
    .article-shell{grid-template-columns:1fr}
    .article-side{display:none}
}
@media(max-width:600px){
    .news-grid,.news-list-grid{grid-template-columns:1fr}
    .article-header h1{font-size:1.5rem}
    .article-main{padding:20px}
    .hero{padding:60px 0}
    .section{padding:50px 0}
    .nav{display:none}
    .nav.open{display:block;position:fixed;top:70px;left:0;right:0;background:#fff;padding:20px;border-bottom:1px solid var(--color-border);z-index:999}
    .nav__list{flex-direction:column}
    .mobile-menu-btn{display:flex;align-items:center;margin-left:12px}
    .footer__top{grid-template-columns:1fr}
}