/* ================================================================
   摄状元®AI创影 - 全站设计体系 v2.0
   Master Design System
   
   职责：
   1. 导航栏：始终横向标签栏，隐藏汉堡按钮
   2. 按钮文字：确保所有按钮文字在任意背景下清晰可见
   3. 子页面 Banner：修复顶部文字被 header 遮挡
   4. Footer：深色品牌一致性 + QR 布局
   5. 深色区块（section-dark / page-banner）文字可读性
   
   不负责：首页浅色主题（由 style-home.css 处理）
   不负责：基础组件结构（由 style.css 处理）
   ================================================================ */


/* ========== 1. 导航系统 - 始终横向标签栏 ========== */

/* 汉堡按钮 - 全局永久隐藏 */
.mobile-menu-toggle, #mobileMenuToggle,
.mobile-menu-toggle *, #mobileMenuToggle *,
button.mobile-menu-toggle,
[class*="hamburger"], [class*="menu-toggle"] {
    display: none !important;
    visibility: hidden !important;
    width: 0 !important;
    height: 0 !important;
    opacity: 0 !important;
    pointer-events: none !important;
    position: absolute !important;
    overflow: hidden !important;
}

/* 导航容器 - 始终水平排列 */
.main-nav, #mainNav, nav.main-nav, header nav {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: visible !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    position: static !important;
    background: transparent !important;
    flex: 1;
    align-items: center;
    flex-wrap: nowrap;
}
.main-nav::-webkit-scrollbar, #mainNav::-webkit-scrollbar {
    display: none !important;
}

/* 导航列表 - 水平排列 */
.main-nav .nav-list, #mainNav .nav-list,
nav ul.nav-list, header nav ul {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 0;
    padding: 0;
    margin: 0;
    list-style: none;
    position: static !important;
    background: none !important;
    box-shadow: none !important;
}

/* 导航项 */
.main-nav .nav-item, #mainNav .nav-item,
nav .nav-item, header nav li {
    display: flex !important;
    flex-shrink: 0;
    width: auto !important;
    position: relative;
    list-style: none;
}

/* 导航链接文字 - 在深色 header 上白色 */
.main-nav .nav-item > a, #mainNav .nav-item > a,
nav .nav-item > a, header nav li > a {
    display: flex !important;
    padding: 6px 12px !important;
    font-size: 13px !important;
    color: rgba(255,255,255,0.85) !important;
    white-space: nowrap !important;
    border-radius: 16px;
    align-items: center;
    text-decoration: none !important;
    font-weight: 500;
    transition: all 0.2s ease;
}
.main-nav .nav-item > a:hover,
#mainNav .nav-item > a:hover {
    color: #FFFFFF !important;
    background: rgba(196,30,58,0.2);
}
.main-nav .nav-item.active > a,
#mainNav .nav-item.active > a {
    color: #FFFFFF !important;
    background: rgba(196,30,58,0.25);
    font-weight: 600;
}

/* 子菜单下拉指示器 */
.main-nav .nav-item.has-submenu > a::after,
#mainNav .nav-item.has-submenu > a::after {
    content: ' \25BE';
    font-size: 9px !important;
    margin-left: 2px !important;
    opacity: 0.6;
}

/* 下拉子菜单 - 白色背景 */
.main-nav .submenu, #mainNav .submenu, nav .submenu {
    display: none !important;
    position: absolute !important;
    top: 100%;
    left: 0;
    background: #FFFFFF !important;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15) !important;
    padding: 6px 0;
    min-width: 150px;
    z-index: 10000;
    border: 1px solid #E8E8F0;
}
.main-nav .nav-item.submenu-open > .submenu,
#mainNav .nav-item.submenu-open > .submenu,
.main-nav .has-submenu:hover .submenu {
    display: block !important;
}
.main-nav .submenu a, #mainNav .submenu a, nav .submenu a {
    display: block !important;
    padding: 10px 16px !important;
    font-size: 13px !important;
    color: #4A4A5A !important;
    white-space: nowrap;
    text-decoration: none !important;
}
.main-nav .submenu a:hover,
#mainNav .submenu a:hover {
    background: #F5F5FA;
    color: #C41E3A !important;
}

/* Header 内布局 */
.header-inner {
    flex-wrap: nowrap !important;
}


/* ========== 2. 按钮文字颜色 - 全场景可见 ========== */

/* 
   核心原则：按钮的文字颜色必须由按钮自身决定，
   不被父容器的链接颜色规则覆盖。
   使用足够高的 specificity 确保胜利。
*/

/* btn-primary: 红底白字 - 覆盖所有上下文 */
a.btn-primary, a.btn-primary:link, a.btn-primary:visited,
a.btn-primary:hover, a.btn-primary:active,
.btn-primary > a, .btn-primary > a:link, .btn-primary > a:visited,
.section a.btn-primary, .section-dark a.btn-primary,
.page-index a.btn-primary, .page-index .section a.btn-primary,
.page-index .section-dark a.btn-primary {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    text-decoration: none !important;
}

/* btn-register: 红底白字 */
a.btn-register, a.btn-register:link, a.btn-register:visited,
a.btn-register:hover, a.btn-register:active,
.btn-register > a, .section a.btn-register,
.page-index a.btn-register, .page-index .section a.btn-register {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    text-decoration: none !important;
}

/* btn-gold: 金底黑字 */
a.btn-gold, a.btn-gold:link, a.btn-gold:visited,
a.btn-gold:hover, a.btn-gold:active,
.section a.btn-gold, .page-index a.btn-gold {
    color: #000000 !important;
    -webkit-text-fill-color: #000000 !important;
    text-decoration: none !important;
}

/* btn-outline: 透明底红字，hover时红底白字 */
a.btn-outline, a.btn-outline:link, a.btn-outline:visited,
.btn-outline > a,
.section a.btn-outline, .section-dark a.btn-outline,
.page-index a.btn-outline, .page-index .section a.btn-outline {
    color: #C41E3A !important;
    -webkit-text-fill-color: #C41E3A !important;
    text-decoration: none !important;
}
a.btn-outline:hover,
.section a.btn-outline:hover,
.page-index a.btn-outline:hover,
.page-index .section a.btn-outline:hover {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    background: #C41E3A !important;
}

/* btn-login: 透明底红字 */
a.btn-login, a.btn-login:link, a.btn-login:visited,
a.btn-login:hover, a.btn-login:active,
.section a.btn-login, .page-index a.btn-login {
    color: #C41E3A !important;
    -webkit-text-fill-color: #C41E3A !important;
    text-decoration: none !important;
}

/* Hero 区按钮 */
.hero-buttons .btn-primary,
.hero-buttons .btn-primary:link,
.hero-buttons .btn-primary:visited,
.hero-buttons .btn-primary:hover {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
}
.hero-buttons .btn-outline,
.hero-buttons .btn-outline:link,
.hero-buttons .btn-outline:visited {
    color: #C41E3A !important;
    -webkit-text-fill-color: #C41E3A !important;
    border-color: #C41E3A !important;
}


/* ========== 3. Header 右侧按钮（深色背景上的白字/彩色字） ========== */
.header-btn-register,
.header-btn-register:link, .header-btn-register:visited {
    color: #FFFFFF !important;
}
.header-btn-login,
.header-btn-login:link, .header-btn-login:visited {
    color: rgba(255,255,255,0.9) !important;
}
.header-btn-partner,
.header-btn-partner:link, .header-btn-partner:visited {
    color: #D4A017 !important;
}


/* ========== 4. 子页面 Banner - 修复文字被 header 遮挡 ========== */
.page-banner {
    position: relative;
    z-index: 1;
}
/* 桌面端：header 70px + 50px 安全间距 */
.page-banner {
    padding-top: 120px !important;
}
/* 平板端 */
@media (max-width: 1023px) {
    .page-banner {
        padding-top: 110px !important;
    }
}
/* 手机端：header 高度可能不同，留更大余量 */
@media (max-width: 768px) {
    .page-banner {
        padding-top: 100px !important;
    }
    .page-banner h1 {
        font-size: 1.8rem !important;
    }
    .page-banner p {
        font-size: 1rem !important;
    }
}
@media (max-width: 480px) {
    .page-banner {
        padding-top: 95px !important;
    }
    .page-banner h1 {
        font-size: 1.5rem !important;
    }
}

/* Banner 文字确保在深色背景上白色可见 */
.page-banner h1 {
    color: #FFFFFF !important;
}
.page-banner p {
    color: rgba(255,255,255,0.8) !important;
}


/* ========== 5. 深色区块文字可读性 ========== */
/* section-dark 内所有文字白色 */
.section-dark h1, .section-dark h2, .section-dark h3,
.section-dark h4, .section-dark h5, .section-dark h6 {
    color: #FFFFFF !important;
}
.section-dark p, .section-dark li, .section-dark span {
    color: rgba(255,255,255,0.8) !important;
}
.section-dark .text-muted, .section-dark .text-secondary {
    color: rgba(255,255,255,0.5) !important;
}
/* 深色区块的 section-header 标题保持渐变 */
.section-dark .section-header h2 {
    background: linear-gradient(135deg, #E8324F, #F0C040) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}
/* 深色区块内的 btn-outline 改为白色描边白字 */
.section-dark a.btn-outline,
.section-dark .btn-outline {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    border-color: rgba(255,255,255,0.5) !important;
}
.section-dark a.btn-outline:hover {
    background: rgba(255,255,255,0.15) !important;
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
}


/* ========== 6. Hero 区域（保持深色主题） ========== */
.hero h1, .hero h1 .gradient-text {
    color: #FFFFFF !important;
}
.hero .slogan {
    color: #D4A017 !important;
}
.hero .description {
    color: rgba(255,255,255,0.6) !important;
}
.hero-badge {
    color: #E8324F !important;
}


/* ========== 7. Footer - 深色品牌一致 ========== */
.site-footer {
    background: #0F0F1A !important;
    border-top: 1px solid #2A2A38 !important;
}
.site-footer,
.site-footer p, .site-footer li, .site-footer span, .site-footer div {
    color: rgba(255,255,255,0.7) !important;
}
.site-footer h4, .site-footer h3 {
    color: #FFFFFF !important;
    -webkit-text-fill-color: #FFFFFF !important;
    background: none !important;
}
.site-footer a {
    color: rgba(255,255,255,0.6) !important;
}
.site-footer a:hover {
    color: #D4A017 !important;
}
.site-footer .footer-logo,
.site-footer .footer-brand .footer-logo {
    background: linear-gradient(135deg, #C41E3A, #D4A017) !important;
    -webkit-background-clip: text !important;
    -webkit-text-fill-color: transparent !important;
    background-clip: text !important;
}
.site-footer .footer-slogan {
    color: #D4A017 !important;
}
.site-footer .footer-bottom p {
    color: rgba(255,255,255,0.4) !important;
}
.site-footer .footer-disclaimer {
    color: rgba(255,255,255,0.3) !important;
}
/* Footer QR 网格布局 */
.site-footer .footer-qr-grid {
    display: flex !important;
    gap: 16px !important;
    flex-wrap: wrap !important;
    justify-content: flex-start !important;
}
.site-footer .footer-qr-item {
    text-align: center !important;
    flex-shrink: 0 !important;
}
.site-footer .footer-qr-item span {
    color: rgba(255,255,255,0.6) !important;
    font-size: 11px !important;
}


/* ========== 8. 移动端响应式补充 ========== */
@media (max-width: 1023px) {
    /* Hero 适配 */
    .page-index .hero, section.hero {
        min-height: auto !important;
        max-height: none !important;
        height: auto !important;
        padding: 100px 16px 40px !important;
    }
    .page-index .hero h1 {
        font-size: 1.6rem !important;
    }
    .page-index .hero .slogan {
        font-size: 1rem !important;
    }
    .page-index .hero .description {
        font-size: 0.9rem !important;
    }
    .page-index .hero .hero-buttons {
        flex-direction: column !important;
        align-items: center !important;
        gap: 10px !important;
    }
    .page-index .hero .btn-lg {
        width: 100% !important;
        max-width: 280px !important;
        text-align: center !important;
        padding: 12px 20px !important;
    }
    /* Header 按钮隐藏次要项 */
    .header-btn-balance, .header-btn-partner {
        display: none !important;
    }
    .header-actions { gap: 6px; }
    .header-btn { padding: 5px 10px; font-size: 0.78rem; }
}

@media (max-width: 768px) {
    .main-nav .nav-item > a, #mainNav .nav-item > a {
        padding: 6px 10px !important;
        font-size: 12px !important;
    }
}

/* ========== 9. 动画/可见性 ========== */
.fade-in-up {
    opacity: 1 !important;
    transform: none !important;
    visibility: visible !important;
}