/* 满冠体育(中国)官方网站app下载 - 完整样式表 */
/* 全局重置与变量 */
:root {
    --primary: #1a2a6c;
    --secondary: #b21f1f;
    --accent: #fdbb2d;
    --bg-light: #f8f9fc;
    --text-dark: #1a1a2e;
    --text-light: #f0f0f5;
    --glass-bg: rgba(255,255,255,0.15);
    --glass-border: rgba(255,255,255,0.25);
    --shadow: 0 8px 32px rgba(0,0,0,0.1);
    --radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
}
[data-theme="dark"] {
    --bg-light: #0f0f1a;
    --text-dark: #e0e0f0;
    --glass-bg: rgba(20,20,40,0.6);
    --glass-border: rgba(255,255,255,0.1);
    --shadow: 0 8px 32px rgba(0,0,0,0.6);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; font-size:16px; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
    background: var(--bg-light);
    color: var(--text-dark);
    line-height:1.7;
    overflow-x:hidden;
    transition: background 0.4s, color 0.4s;
}
a { color:inherit; text-decoration:none; }
img, svg { max-width:100%; height:auto; display:block; }
ul { list-style:none; }

/* 容器 */
.container { max-width:1200px; margin:0 auto; padding:0 20px; }

/* 毛玻璃卡片 */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.glass-card:hover { transform: translateY(-6px); box-shadow: 0 12px 40px rgba(0,0,0,0.15); }

/* 通用卡片 */
.card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    padding:30px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.card:hover { transform: translateY(-8px); box-shadow: 0 16px 48px rgba(0,0,0,0.12); }
.card-icon { font-size:2.8rem; margin-bottom:16px; }
.card h3 { font-size:1.4rem; margin-bottom:12px; }
.card p { opacity:0.85; }

/* 渐变标题 */
.section-title {
    text-align:center;
    font-size:2.4rem;
    font-weight:800;
    margin-bottom:0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
}
.section-subtitle { text-align:center; color:#666; margin-bottom:3rem; font-size:1.1rem; }

/* 主要按钮 */
.btn-primary {
    display:inline-block;
    padding:14px 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color:#fff;
    border-radius:50px;
    font-weight:600;
    font-size:1rem;
    border:none;
    cursor:pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(26,42,108,0.3);
}
.btn-primary:hover { transform: scale(1.05); box-shadow: 0 8px 25px rgba(26,42,108,0.4); }

/* 暗黑模式切换按钮 */
.dark-toggle {
    position:fixed;
    bottom:30px; right:30px;
    z-index:9999;
    width:50px; height:50px;
    border-radius:50%;
    background: var(--primary);
    color:#fff;
    border:none;
    font-size:1.5rem;
    cursor:pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display:flex;
    align-items:center;
    justify-content:center;
}
.dark-toggle:hover { transform: scale(1.1); }

/* 返回顶部按钮 */
.back-top {
    position:fixed;
    bottom:90px; right:30px;
    z-index:9998;
    width:50px; height:50px;
    border-radius:50%;
    background: var(--secondary);
    color:#fff;
    border:none;
    font-size:1.5rem;
    cursor:pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display:none;
    align-items:center;
    justify-content:center;
}
.back-top.show { display:flex; }
.back-top:hover { transform: scale(1.1); }

/* 导航栏 */
header {
    position:sticky;
    top:0;
    z-index:1000;
    background: rgba(255,255,255,0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: background 0.4s;
}
[data-theme="dark"] header { background: rgba(15,15,26,0.85); }
.header-inner {
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:12px 20px;
    max-width:1200px;
    margin:0 auto;
}
.logo {
    display:flex;
    align-items:center;
    gap:10px;
    font-size:1.6rem;
    font-weight:800;
    color: var(--primary);
}
.logo svg { width:40px; height:40px; }
nav ul { display:flex; gap:24px; align-items:center; }
nav a {
    font-weight:500;
    position:relative;
    padding:4px 0;
    transition: var(--transition);
}
nav a::after {
    content:'';
    position:absolute;
    bottom:0; left:0;
    width:0; height:2px;
    background: var(--secondary);
    transition: var(--transition);
}
nav a:hover::after, nav a.active::after { width:100%; }
.hamburger {
    display:none;
    flex-direction:column;
    gap:5px;
    cursor:pointer;
    background:none;
    border:none;
    padding:5px;
}
.hamburger span {
    width:28px; height:3px;
    background: var(--text-dark);
    border-radius:3px;
    transition: var(--transition);
}
@media (max-width:768px) {
    .hamburger { display:flex; }
    nav ul {
        position:fixed;
        top:70px; left:0; right:0;
        background: var(--bg-light);
        flex-direction:column;
        padding:20px;
        gap:16px;
        transform: translateY(-120%);
        transition: var(--transition);
        box-shadow: var(--shadow);
        z-index:999;
    }
    nav ul.open { transform: translateY(0); }
}

/* Hero Banner */
.hero {
    position:relative;
    min-height:85vh;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
    background: linear-gradient(135deg, #1a2a6c 0%, #2d1b69 40%, #b21f1f 100%);
}
.hero-slider {
    position:absolute;
    inset:0;
    display:flex;
    transition: transform 0.8s cubic-bezier(0.4,0,0.2,1);
}
.hero-slide {
    min-width:100%;
    display:flex;
    align-items:center;
    justify-content:center;
    padding:40px 20px;
}
.hero-content {
    text-align:center;
    color:#fff;
    max-width:800px;
    position:relative;
    z-index:2;
}
.hero-content h1 {
    font-size:3.5rem;
    font-weight:900;
    margin-bottom:1rem;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
.hero-content p {
    font-size:1.25rem;
    opacity:0.9;
    margin-bottom:2rem;
    line-height:1.8;
}
.hero-indicators {
    position:absolute;
    bottom:30px;
    left:50%;
    transform:translateX(-50%);
    display:flex;
    gap:12px;
    z-index:5;
}
.hero-indicators button {
    width:14px; height:14px;
    border-radius:50%;
    border:2px solid rgba(255,255,255,0.6);
    background:transparent;
    cursor:pointer;
    transition: var(--transition);
}
.hero-indicators button.active { background:#fff; border-color:#fff; transform:scale(1.3); }
@media (max-width:768px) {
    .hero-content h1 { font-size:2.2rem; }
    .hero-content p { font-size:1rem; }
}

/* 通用section */
section { padding:80px 0; }

/* 网格布局 */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:40px; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:30px; }
.grid-4 { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
@media (max-width:992px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr 1fr; }
}
@media (max-width:576px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
}

/* 数字统计 */
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:30px; text-align:center; }
@media (max-width:768px) { .stats-grid { grid-template-columns:repeat(2,1fr); } }
.stat-item h2 { font-size:3rem; font-weight:800; background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-item p { color:#666; font-size:1.1rem; }

/* FAQ */
.faq-item {
    border-bottom:1px solid rgba(0,0,0,0.08);
    padding:18px 0;
}
.faq-question {
    display:flex;
    justify-content:space-between;
    align-items:center;
    cursor:pointer;
    font-weight:600;
    font-size:1.15rem;
}
.faq-question span { transition: var(--transition); }
.faq-answer {
    max-height:0;
    overflow:hidden;
    transition: max-height 0.4s ease, padding 0.3s;
    padding-top:0;
    opacity:0.8;
}
.faq-item.open .faq-answer { max-height:300px; padding-top:12px; }
.faq-item.open .faq-question span { transform: rotate(180deg); }

/* 搜索框 */
.search-box {
    max-width:500px;
    margin:0 auto 40px;
    position:relative;
}
.search-box input {
    width:100%;
    padding:16px 20px;
    border-radius:50px;
    border:2px solid rgba(0,0,0,0.1);
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    font-size:1rem;
    outline:none;
    transition: var(--transition);
}
.search-box input:focus { border-color: var(--primary); }
.search-results { margin-top:20px; }
.search-result-item { padding:12px 16px; border-bottom:1px solid rgba(0,0,0,0.05); cursor:pointer; transition: var(--transition); }
.search-result-item:hover { background:rgba(26,42,108,0.05); }

/* 面包屑 */
.breadcrumb { padding:12px 20px; max-width:1200px; margin:0 auto; font-size:0.9rem; color:#888; }
.breadcrumb a { color: var(--primary); }
.breadcrumb span { margin:0 6px; }

/* 合作伙伴logo */
.partner-logo {
    height:60px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:rgba(255,255,255,0.5);
    border-radius:12px;
    padding:10px 20px;
    font-weight:600;
    color: var(--primary);
    font-size:1.1rem;
}
[data-theme="dark"] .partner-logo { background:rgba(255,255,255,0.08); color:#ccc; }

/* Footer */
footer {
    background: linear-gradient(135deg, #1a2a6c, #2d1b69);
    color:#ddd;
    padding:60px 0 30px;
}
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:40px; }
@media (max-width:768px) { .footer-grid { grid-template-columns:1fr 1fr; } }
@media (max-width:576px) { .footer-grid { grid-template-columns:1fr; } }
footer h4 { color:#fff; margin-bottom:16px; font-size:1.2rem; }
footer a { display:block; margin-bottom:8px; opacity:0.8; transition: var(--transition); }
footer a:hover { opacity:1; color: var(--accent); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); margin-top:40px; padding-top:20px; text-align:center; font-size:0.9rem; opacity:0.7; }

/* 懒加载 */
.lazy { opacity:0; transition: opacity 0.6s; }
.lazy.loaded { opacity:1; }

/* 响应式调整 */
@media (max-width:768px) {
    .section-title { font-size:1.8rem; }
    section { padding:50px 0; }
}

/* 滚动动画（JS配合） */
.card, .stat-item, .section-title, .section-subtitle {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}