/* 开云体育官网 - kai-yun.info */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#1a5f2a;
  --primary-dark:#0d3d18;
  --primary-light:#2d8a42;
  --accent:#f5a623;
  --text:#1e293b;
  --text-light:#64748b;
  --bg:#f8fafc;
  --white:#ffffff;
  --border:#e2e8f0;
  --shadow:0 4px 24px rgba(0,0,0,.08);
  --radius:12px;
  --max-w:1200px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg);line-height:1.8}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* Header */
.site-header{background:linear-gradient(135deg,var(--primary-dark),var(--primary));position:sticky;top:0;z-index:100;box-shadow:0 2px 12px rgba(0,0,0,.15)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;max-width:var(--max-w);margin:0 auto}
.logo{display:flex;align-items:center;gap:12px;color:var(--white);font-weight:700;font-size:1.25rem}
.logo img{width:48px;height:48px;border-radius:8px;object-fit:cover}
.main-nav{display:flex;gap:6px;flex-wrap:wrap}
.main-nav a{color:rgba(255,255,255,.9);padding:8px 14px;border-radius:8px;font-size:.9rem;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{background:rgba(255,255,255,.15);color:var(--white)}
.nav-cta{background:var(--accent)!important;color:var(--primary-dark)!important;font-weight:600}
.nav-cta:hover{background:#ffc04d!important}
.menu-toggle{display:none;background:none;border:none;color:var(--white);font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 60%,var(--primary-light) 100%);color:var(--white);padding:60px 0 80px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;background:url("/images/开云体育首页.jpg") center/cover no-repeat;opacity:.12}
.hero-content{position:relative;z-index:1;max-width:var(--max-w);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:2.2rem;line-height:1.3;margin-bottom:16px}
.hero-desc{font-size:1.1rem;opacity:.92;margin-bottom:28px;line-height:1.9}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 28px;border-radius:10px;font-weight:600;font-size:1rem;transition:transform .2s,box-shadow .2s}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:var(--primary-dark);box-shadow:0 4px 16px rgba(245,166,35,.4)}
.btn-primary:hover{color:var(--primary-dark)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:rgba(255,255,255,.1);color:var(--white)}
.hero-img{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}

/* Sections */
section{padding:64px 0}
.section-title{text-align:center;margin-bottom:48px}
.section-title h2{font-size:1.85rem;color:var(--primary-dark);margin-bottom:10px}
.section-title p{color:var(--text-light);max-width:640px;margin:0 auto}
.section-alt{background:var(--white)}

/* Cards Grid */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
.card{background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s}
.card:hover{transform:translateY(-4px)}
.card-img{height:180px;overflow:hidden}
.card-img img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px}
.card-body h3{font-size:1.15rem;color:var(--primary-dark);margin-bottom:10px}
.card-body p{color:var(--text-light);font-size:.95rem}

/* Features */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.feature-item{background:var(--white);padding:28px 24px;border-radius:var(--radius);text-align:center;box-shadow:var(--shadow);border-top:4px solid var(--primary)}
.feature-item h3{font-size:1.05rem;color:var(--primary-dark);margin-bottom:8px}
.feature-item p{font-size:.9rem;color:var(--text-light)}

/* Content Article */
.content-article{background:var(--white);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow);margin-bottom:32px}
.content-article h2{font-size:1.5rem;color:var(--primary-dark);margin:32px 0 16px;padding-bottom:8px;border-bottom:2px solid var(--border)}
.content-article h2:first-child{margin-top:0}
.content-article h3{font-size:1.2rem;color:var(--primary);margin:24px 0 12px}
.content-article p{margin-bottom:16px;text-align:justify}
.content-article ul,.content-article ol{margin:12px 0 16px 24px}
.content-article li{margin-bottom:8px}
.content-article img{margin:20px auto;border-radius:var(--radius)}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border-radius:var(--radius);margin-bottom:12px;box-shadow:var(--shadow);overflow:hidden}
.faq-item summary{padding:18px 24px;cursor:pointer;font-weight:600;color:var(--primary-dark);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::after{content:"+";font-size:1.3rem;color:var(--primary)}
.faq-item[open] summary::after{content:"−"}
.faq-item p{padding:0 24px 18px;color:var(--text-light)}

/* Partners */
.partner-grid{display:flex;flex-wrap:wrap;gap:20px;justify-content:center;align-items:center}
.partner-grid img{height:60px;width:auto;object-fit:contain;filter:grayscale(20%);transition:filter .2s}
.partner-grid img:hover{filter:none}

/* Download Section */
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}
.download-card{background:var(--white);border-radius:var(--radius);padding:32px;text-align:center;box-shadow:var(--shadow)}
.download-card img{margin:0 auto 20px;border-radius:var(--radius);max-height:200px;object-fit:cover}
.download-card h3{color:var(--primary-dark);margin-bottom:12px}

/* Form Pages */
.page-hero{background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:var(--white);padding:48px 0;text-align:center}
.page-hero h1{font-size:2rem;margin-bottom:10px}
.page-hero p{opacity:.9;max-width:600px;margin:0 auto}
.form-section{padding:48px 0}
.form-wrapper{max-width:480px;margin:0 auto;background:var(--white);padding:40px;border-radius:var(--radius);box-shadow:var(--shadow)}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:6px;font-weight:600;font-size:.9rem}
.form-group input{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s}
.form-group input:focus{outline:none;border-color:var(--primary)}
.form-submit{width:100%;padding:14px;background:var(--primary);color:var(--white);border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s}
.form-submit:hover{background:var(--primary-light)}
.form-links{text-align:center;margin-top:16px;font-size:.9rem}
.seo-content{padding:48px 0}

/* Breadcrumb */
.breadcrumb{padding:12px 0;font-size:.85rem;color:var(--text-light)}
.breadcrumb a{color:var(--text-light)}
.breadcrumb a:hover{color:var(--primary)}

/* Footer */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.8);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;margin-bottom:32px}
.footer-grid h4{color:var(--white);margin-bottom:14px;font-size:1rem}
.footer-grid ul{list-style:none}
.footer-grid li{margin-bottom:8px}
.footer-grid a{color:rgba(255,255,255,.7);font-size:.9rem}
.footer-grid a:hover{color:var(--accent)}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.85rem}

/* Error Pages */
.error-page{min-height:70vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px}
.error-page h1{font-size:5rem;color:var(--primary);line-height:1}
.error-page h2{margin:16px 0;font-size:1.5rem}
.error-page p{color:var(--text-light);margin-bottom:24px}

/* Internal Links Box */
.internal-links{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin:32px 0}
.internal-links h3{font-size:1rem;color:var(--primary-dark);margin-bottom:12px}
.internal-links ul{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px}
.internal-links a{font-size:.9rem}

/* Responsive */
@media(max-width:768px){
  .menu-toggle{display:block}
  .main-nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--primary-dark);flex-direction:column;padding:12px}
  .main-nav.open{display:flex}
  .hero-content{grid-template-columns:1fr;text-align:center}
  .hero-btns{justify-content:center}
  .hero-img{order:-1}
  .hero h1{font-size:1.6rem}
  .content-article{padding:24px}
  section{padding:40px 0}
}
.hero-desc a{
    color:var(--accent)
}