/* ==================== 觅伊 App 统一全局样式库 ==================== */
:root {
    --bg-color: #0b0c10;
    --card-bg: rgba(255, 255, 255, 0.04);
    --card-border: rgba(255, 255, 255, 0.08);
    --primary-gradient: linear-gradient(135deg, #ff2a85 0%, #8a2be2 100%);
    --accent-glow: radial-gradient(circle, rgba(255, 42, 133, 0.15) 0%, rgba(0,0,0,0) 70%);
    --text-main: #ffffff;
    --text-muted: #a0a5b5;
    --max-width: 1200px;
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; 
}

body { 
    background-color: var(--bg-color); 
    color: var(--text-main); 
    line-height: 1.6; 
    overflow-x: hidden; 
}

a { 
    color: inherit; 
    text-decoration: none; 
    transition: all 0.3s; 
}

/* ==================== 统一导航栏 ==================== */
header { 
    position: fixed; 
    top: 0; 
    width: 100%; 
    z-index: 1000; 
    background: rgba(11, 12, 16, 0.85); 
    backdrop-filter: blur(16px); 
    border-bottom: 1px solid var(--card-border); 
}

.nav-container { 
    max-width: var(--max-width); 
    margin: 0 auto; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    padding: 1.2rem 2rem; 
}

.logo { 
    font-size: 1.6rem; 
    font-weight: 800; 
    background: var(--primary-gradient); 
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    letter-spacing: 1px;
}

.nav-links { 
    display: flex; 
    gap: 2rem; 
    list-style: none; 
}

.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
}

.nav-links a:hover, .nav-links a.active { 
    color: #ff2a85; 
}

.nav-btn { 
    background: var(--primary-gradient); 
    color: #fff; 
    padding: 0.6rem 1.5rem; 
    border-radius: 50px; 
    font-weight: 600; 
    box-shadow: 0 4px 15px rgba(255, 42, 133, 0.4); 
}

.nav-btn:hover { 
    transform: translateY(-2px); 
    box-shadow: 0 6px 20px rgba(255, 42, 133, 0.6); 
}

/* ==================== 统一页面容器与标题 ==================== */
.page-header {
    padding: 150px 2rem 60px;
    text-align: center;
    background: var(--accent-glow);
}

.page-title {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.page-title span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.page-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.content-sec {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 60px 2rem;
}

/* 卡片通用组件 */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
    margin-bottom: 2rem;
}

/* ==================== 统一 Footer ==================== */
footer { 
    background: #050507; 
    border-top: 1px solid var(--card-border); 
    padding: 60px 2rem 30px; 
    margin-top: 80px; 
}

.footer-container { 
    max-width: var(--max-width); 
    margin: 0 auto; 
    display: grid; 
    grid-template-columns: 2fr repeat(3, 1fr); 
    gap: 3rem; 
    margin-bottom: 40px; 
}

.footer-brand p { 
    color: var(--text-muted); 
    margin-top: 1rem; 
    font-size: 0.9rem; 
}

.footer-col h4 { 
    margin-bottom: 1.2rem; 
    font-size: 1.1rem; 
    color: #fff;
}

.footer-col ul { 
    list-style: none; 
}

.footer-col li { 
    margin-bottom: 0.6rem; 
}

.footer-col a { 
    color: var(--text-muted); 
    font-size: 0.9rem; 
}

.footer-col a:hover { 
    color: #ff2a85; 
}

.copyright { 
    text-align: center; 
    color: var(--text-muted); 
    font-size: 0.85rem; 
    border-top: 1px solid rgba(255,255,255,0.05); 
    padding-top: 20px; 
}

/* ==================== 移动端响应式 (RWD) ==================== */
@media (max-width: 768px) {
    .nav-links { display: none; }
    .page-title { font-size: 2rem; }
    .footer-container { grid-template-columns: 1fr; gap: 2rem; text-align: center; }
}