/* ============================================
   非凡娱乐 - 响应式样式表
   ============================================ */

/* xl: >= 1280px - 默认桌面 */

/* lg: 1024px - 1279px */
@media (max-width: 1279px) {
    .ff-container { max-width: 1024px; }
    .ff-hero-content h1 { font-size: 2.5rem; }
    .ff-jackpot-amount { font-size: 3.2rem; }
    .ff-footer-grid { gap: 30px; }
}

/* md: 768px - 1023px */
@media (max-width: 1023px) {
    .ff-nav-links { display: none; }
    .ff-nav-links.ff-mobile-open {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(26, 0, 35, 0.97);
        padding: 30px;
        gap: 5px;
        overflow-y: auto;
        z-index: 999;
    }
    .ff-nav-links.ff-mobile-open li a {
        padding: 14px 20px;
        font-size: 1.1rem;
        border-bottom: 1px solid rgba(255,215,0,0.08);
    }
    .ff-hamburger { display: flex; }
    .ff-hero-content h1 { font-size: 2rem; }
    .ff-hero-content .ff-subtitle { font-size: 1.05rem; }
    .ff-game-grid { grid-template-columns: repeat(2, 1fr); }
    .ff-dealer-grid { grid-template-columns: repeat(2, 1fr); }
    .ff-vip-inner { grid-template-columns: 1fr; }
    .ff-vip-image { max-height: 350px; }
    .ff-poster-wrap { grid-template-columns: 1fr; }
    .ff-promo-grid { grid-template-columns: repeat(2, 1fr); }
    .ff-review-grid { grid-template-columns: repeat(2, 1fr); }
    .ff-footer-grid { grid-template-columns: repeat(2, 1fr); }
    .ff-winner-grid { grid-template-columns: repeat(2, 1fr); }
    .ff-content-grid { grid-template-columns: 1fr; }
    .ff-game-list { grid-template-columns: repeat(2, 1fr); }
    .ff-app-layout { grid-template-columns: 1fr; text-align: center; }
    .ff-app-phone { order: -1; }
    .ff-app-phone img { max-width: 280px; }
    .ff-section { padding: 60px 0; }
    .ff-jackpot-amount { font-size: 2.8rem; }
    .ff-page-hero { height: 40vh; min-height: 280px; }
    .ff-page-hero h1 { font-size: 2rem; }
}

/* sm: 640px - 767px */
@media (max-width: 767px) {
    html { font-size: 15px; }
    .ff-hero { min-height: 500px; }
    .ff-hero-content h1 { font-size: 1.7rem; }
    .ff-hero-buttons { gap: 12px; }
    .ff-hero-btn { padding: 14px 18px; min-width: 100px; }
    .ff-hero-btn .ff-icon { font-size: 1.4rem; }
    .ff-game-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .ff-game-card { height: 260px; }
    .ff-dealer-grid { grid-template-columns: 1fr; }
    .ff-winner-grid { grid-template-columns: 1fr; }
    .ff-promo-grid { grid-template-columns: 1fr; }
    .ff-review-grid { grid-template-columns: 1fr; }
    .ff-footer-grid { grid-template-columns: 1fr; }
    .ff-section { padding: 50px 0; }
    .ff-section-title h2 { font-size: 1.7rem; }
    .ff-jackpot-amount { font-size: 2.2rem; letter-spacing: 1px; }
    .ff-trust-row { gap: 20px; }
    .ff-badge { min-width: 160px; padding: 18px 20px; }
    .ff-game-list { grid-template-columns: 1fr; }
    .ff-download-btns { flex-direction: column; }
    .ff-download-btn { text-align: center; }
    .ff-page-hero h1 { font-size: 1.6rem; }
}

/* xs: < 640px */
@media (max-width: 639px) {
    html { font-size: 14px; }
    .ff-nav-inner { padding: 0 15px; }
    .ff-logo { font-size: 1.3rem; }
    .ff-hero-content h1 { font-size: 1.5rem; }
    .ff-hero-content .ff-subtitle { font-size: 0.95rem; }
    .ff-hero-buttons { flex-direction: row; flex-wrap: wrap; justify-content: center; }
    .ff-hero-btn { flex: 0 0 calc(50% - 8px); min-width: auto; }
    .ff-game-grid { grid-template-columns: 1fr; }
    .ff-game-card { height: 280px; }
    .ff-jackpot-amount { font-size: 1.8rem; }
    .ff-poster-image { max-width: 300px; margin: 0 auto; }
    .ff-partner-logos { gap: 15px; }
    .ff-partner-logos span { font-size: 0.9rem; padding: 8px 14px; }
    .ff-vip-table { font-size: 0.8rem; }
    .ff-vip-table th, .ff-vip-table td { padding: 10px 8px; }
}