/* === 巴西国旗主题样式 - 全新设计 === */

/* === 巴西国旗配色系统 === */
:root {
    /* 巴西国旗主色系 */
    --brazil-green: #009B3A;
    --brazil-yellow: #FEDF00;
    --brazil-blue: #002776;
    --brazil-white: #FFFFFF;
    
    /* 扩展色彩系统 */
    --green-light: #00C851;
    --green-dark: #007B2F;
    --yellow-light: #FFF59D;
    --yellow-dark: #F57F17;
    --blue-light: #1976D2;
    --blue-dark: #001A5C;
    
    /* 背景色系统 */
    --bg-primary: #0F1419;
    --bg-secondary: #1E2328;
    --bg-card: #252A2F;
    --bg-overlay: rgba(0, 39, 118, 0.9);
    
    /* 文字色系统 */
    --text-primary: #FFFFFF;
    --text-secondary: #E0E0E0;
    --text-muted: #B0BEC5;
    --text-accent: #FEDF00;
    
    /* 渐变色系统 */
    --gradient-brazil: linear-gradient(135deg, #009B3A 0%, #FEDF00 50%, #002776 100%);
    --gradient-green: linear-gradient(135deg, #00C851 0%, #009B3A 100%);
    --gradient-yellow: linear-gradient(135deg, #FEDF00 0%, #F57F17 100%);
    --gradient-blue: linear-gradient(135deg, #1976D2 0%, #002776 100%);
    --gradient-dark: linear-gradient(135deg, #0F1419 0%, #1E2328 100%);
    
    /* 阴影系统 */
    --shadow-green: 0 8px 32px rgba(0, 155, 58, 0.3);
    --shadow-yellow: 0 8px 32px rgba(254, 223, 0, 0.3);
    --shadow-blue: 0 8px 32px rgba(0, 39, 118, 0.3);
    --shadow-dark: 0 8px 32px rgba(0, 0, 0, 0.6);
    
    /* 字体系统 */
    --font-primary: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Roboto Slab', serif;
    
    /* 间距系统 */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    --space-3xl: 6rem;
    
    /* 边框圆角 */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* 过渡动画 */
    --transition-fast: 0.2s ease-out;
    --transition-normal: 0.3s ease-out;
    --transition-slow: 0.5s ease-out;
}

/* === 简洁导航栏设计 - 清爽风格 === */
.main-navbar {
    background: rgba(15, 20, 25, 0.95) !important;
    border: none !important;
    border-bottom: 1px solid rgba(0, 155, 58, 0.3) !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1) !important;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    height: 70px;
    transition: all 0.3s ease;
}

/* 简洁背景 - 无复杂动画 */

.main-navbar::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(0, 155, 58, 0.1) 25%, 
        rgba(254, 223, 0, 0.1) 50%, 
        rgba(0, 39, 118, 0.1) 75%, 
        transparent 100%);
    animation: navbarShimmer 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes navbarShimmer {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

/* 简洁容器布局 */
.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    padding: 0 var(--space-md);
    position: relative;
    z-index: 10;
    gap: var(--space-md);
}

/* 简洁品牌设计 */
.navbar-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-decoration: none;
    grid-column: 2;
    padding: var(--space-sm) var(--space-md);
    transition: all 0.3s ease;
}

.navbar-brand:hover {
    transform: translateY(-1px);
}

/* 简洁Logo */
.brand-logo {
    height: 40px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
    transition: all 0.3s ease;
}

.brand-logo:hover {
    transform: scale(1.02);
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-3px) rotate(1deg); }
}

.brand-logo:hover {
    transform: scale(1.15) rotate(5deg);
    filter: 
        drop-shadow(0 0 15px rgba(254, 223, 0, 0.8))
        drop-shadow(0 0 30px rgba(0, 155, 58, 0.6))
        drop-shadow(0 6px 12px rgba(0, 0, 0, 0.4));
}

.brand-text {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-primary);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.3px;
}

/* === 对称导航菜单系统 === */
.navbar-menu {
    display: flex;
    list-style: none;
    gap: var(--space-xs);
    margin: 0;
    padding: 0;
    align-items: center;
    justify-content: center;
}

/* 左侧导航组 */
.navbar-menu.left-nav {
    grid-column: 1;
    justify-content: flex-end;
    gap: var(--space-xs);
}

/* 右侧导航组 */
.navbar-menu.right-nav {
    grid-column: 3;
    justify-content: flex-start;
    gap: var(--space-xs);
}

/* 创建圆形轨道背景 */
.navbar-menu::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 40px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 155, 58, 0.1) 10%,
        rgba(254, 223, 0, 0.05) 30%,
        rgba(0, 39, 118, 0.1) 50%,
        rgba(254, 223, 0, 0.05) 70%,
        rgba(0, 155, 58, 0.1) 90%,
        transparent 100%);
    border-radius: 25px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 155, 58, 0.2);
    box-shadow: 
        0 0 30px rgba(0, 155, 58, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    z-index: -1;
    animation: trackPulse 6s ease-in-out infinite;
}

@keyframes trackPulse {
    0%, 100% { 
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.8;
    }
    50% { 
        transform: translate(-50%, -50%) scale(1.02);
        opacity: 1;
    }
}

.navbar-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(254, 223, 0, 0.2), 
        transparent);
    transition: left 2s ease-in-out;
}

.navbar-menu:hover::before {
    left: 100%;
}

/* 简洁导航链接 */
.navbar-menu li {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: var(--space-sm) var(--space-md);
    border-radius: 6px;
    transition: all 0.3s ease;
    white-space: nowrap;
    min-width: 70px;
}

/* 简洁悬停效果 */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--brazil-green);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, 
        rgba(0, 155, 58, 0.3) 0%, 
        rgba(254, 223, 0, 0.2) 50%, 
        rgba(0, 39, 118, 0.1) 100%);
    border-radius: 50%;
    transition: all var(--transition-normal);
    transform: translate(-50%, -50%);
    z-index: -1;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-brazil);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

/* 简洁激活状态 */
.nav-link:hover::after,
.nav-link.active::after {
    width: 80%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary) !important;
    background: rgba(0, 155, 58, 0.1);
}

.nav-link.active {
    color: var(--brazil-green) !important;
    font-weight: 600;
    background: rgba(0, 155, 58, 0.15);
}

/* === 导航链接特殊效果 === */
.nav-link:nth-child(1) { --delay: 0.1s; }
.nav-link:nth-child(2) { --delay: 0.2s; }
.nav-link:nth-child(3) { --delay: 0.3s; }
.nav-link:nth-child(4) { --delay: 0.4s; }
.nav-link:nth-child(5) { --delay: 0.5s; }
.nav-link:nth-child(6) { --delay: 0.6s; }
.nav-link:nth-child(7) { --delay: 0.7s; }
.nav-link:nth-child(8) { --delay: 0.8s; }
.nav-link:nth-child(9) { --delay: 0.9s; }
.nav-link:nth-child(10) { --delay: 1.0s; }

/* === 简洁CTA按钮组 === */
.cta-group {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
    margin-left: var(--space-sm);
}

/* 简洁主按钮 */
.btn-primary {
    background: var(--brazil-green) !important;
    color: var(--text-primary) !important;
    padding: var(--space-xs) var(--space-md) !important;
    border: none !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    white-space: nowrap !important;
}

.btn-primary:hover {
    background: var(--green-dark) !important;
    transform: translateY(-1px) !important;
}

/* 简洁次按钮 */
.btn-secondary {
    background: transparent !important;
    color: var(--brazil-yellow) !important;
    padding: var(--space-xs) var(--space-md) !important;
    border: 1px solid var(--brazil-yellow) !important;
    border-radius: 6px !important;
    font-weight: 600 !important;
    font-size: 0.85rem !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
    white-space: nowrap !important;
}

.btn-secondary:hover {
    background: var(--brazil-yellow) !important;
    color: var(--bg-primary) !important;
    transform: translateY(-1px) !important;
}

/* === 现代变形汉堡按钮 === */
.mobile-toggle {
    display: none;
    flex-direction: column;
    background: linear-gradient(135deg, 
        rgba(0, 155, 58, 0.9) 0%, 
        rgba(0, 200, 70, 0.8) 100%);
    border: 1px solid var(--brazil-green);
    border-radius: 6px;
    cursor: pointer;
    padding: 10px;
    position: relative;
    z-index: 10001;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    width: 44px;
    height: 36px;
    justify-content: center;
    align-items: center;
    box-shadow: 
        0 4px 15px rgba(0, 155, 58, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.mobile-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.1) 50%, 
        transparent 70%);
    transform: translateX(-100%) skewX(-15deg);
    transition: transform 0.6s ease;
}

.mobile-toggle:hover {
    background: linear-gradient(135deg, 
        var(--brazil-green) 0%, 
        rgba(0, 200, 70, 1) 100%);
    box-shadow: 
        0 6px 20px rgba(0, 155, 58, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.mobile-toggle:hover::before {
    transform: translateX(100%) skewX(-15deg);
}

.mobile-toggle span {
    width: 26px !important;
    height: 3px !important;
    background: #ffffff !important;
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55) !important;
    border-radius: 2px !important;
    display: block !important;
    position: relative !important;
    margin: 3px 0 !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
    transform-origin: center !important;
}

.mobile-toggle span::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(254, 223, 0, 0.4) 50%, 
        transparent 100%);
    border-radius: inherit;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.mobile-toggle:hover span::before {
    transform: scaleX(1);
    animation: shimmer 1s ease-in-out;
}

@keyframes shimmer {
    0% { transform: scaleX(0) translateX(-100%); }
    50% { transform: scaleX(1) translateX(0); }
    100% { transform: scaleX(0) translateX(100%); }
}


/* === 激活状态的现代X形变换 === */
.mobile-toggle.active {
    background: linear-gradient(135deg, 
        var(--brazil-yellow) 0%, 
        rgba(254, 223, 0, 0.9) 100%);
    border-color: var(--brazil-yellow);
    box-shadow: 
        0 6px 25px rgba(254, 223, 0, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
    transform: scale(1.1) rotate(180deg);
    animation: activePulse 0.6s ease-out;
}

.mobile-toggle.active::before {
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(255, 255, 255, 0.3) 50%, 
        transparent 70%);
    animation: activeShine 0.8s ease-out;
}

/* 第一条线：变成X的左上到右下 */
.mobile-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-6px, 6px) scale(1.1);
    background: linear-gradient(90deg, 
        var(--bg-primary) 0%, 
        rgba(0, 0, 0, 0.8) 100%);
    animation: lineRotate1 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* 中间线：缩放消失效果 */
.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scale(0) rotate(90deg);
    animation: lineDisappear 0.3s ease-out;
}

/* 第三条线：变成X的左下到右上 */
.mobile-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-6px, -6px) scale(1.1);
    background: linear-gradient(90deg, 
        var(--bg-primary) 0%, 
        rgba(0, 0, 0, 0.8) 100%);
    animation: lineRotate2 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* === 现代动画关键帧 === */
@keyframes activePulse {
    0% { transform: scale(1) rotate(0deg); }
    50% { transform: scale(1.15) rotate(90deg); }
    100% { transform: scale(1.1) rotate(180deg); }
}

@keyframes activeShine {
    0% { transform: translateX(-100%) skewX(-15deg); }
    100% { transform: translateX(100%) skewX(-15deg); }
}

@keyframes lineRotate1 {
    0% { transform: rotate(0deg) translate(0, 0) scale(1); }
    50% { transform: rotate(-22.5deg) translate(-3px, 3px) scale(1.05); }
    100% { transform: rotate(-45deg) translate(-6px, 6px) scale(1.1); }
}

@keyframes lineRotate2 {
    0% { transform: rotate(0deg) translate(0, 0) scale(1); }
    50% { transform: rotate(22.5deg) translate(-3px, -3px) scale(1.05); }
    100% { transform: rotate(45deg) translate(-6px, -6px) scale(1.1); }
}

@keyframes lineDisappear {
    0% { opacity: 1; transform: scale(1) rotate(0deg); }
    50% { opacity: 0.5; transform: scale(0.5) rotate(45deg); }
    100% { opacity: 0; transform: scale(0) rotate(90deg); }
}

/* === 导航栏滚动效果增强 === */
.main-navbar.scrolled {
    background: linear-gradient(135deg, 
        rgba(0, 0, 0, 0.98) 0%, 
        rgba(15, 20, 25, 0.98) 50%, 
        rgba(0, 39, 118, 0.98) 100%) !important;
    backdrop-filter: blur(25px) saturate(200%) !important;
    box-shadow: 
        0 10px 40px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(0, 155, 58, 0.4),
        0 0 50px rgba(0, 155, 58, 0.2) !important;
    transform: translateY(-1px);
}

.main-navbar.scrolled::before {
    animation-duration: 2s;
}

.main-navbar.scrolled .brand-logo {
    transform: scale(0.9);
    filter: 
        drop-shadow(0 0 8px rgba(254, 223, 0, 0.8))
        drop-shadow(0 0 16px rgba(0, 155, 58, 0.6));
}

.main-navbar.scrolled .brand-text {
    font-size: 1.8rem;
    animation-duration: 2s;
}

/* === 响应式设计 === */

/* 超大屏幕优化 - 1400px */
@media (max-width: 1400px) {
    .navbar-container {
        max-width: 1100px;
        padding: 0 var(--space-sm);
    }
    
    .navbar-menu.left-nav,
    .navbar-menu.right-nav {
        gap: 2px;
    }
    
    .nav-link {
        padding: 4px 8px;
        font-size: 0.8rem;
        font-weight: 500;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 4px 10px !important;
        font-size: 0.75rem !important;
        font-weight: 500 !important;
    }
    
    .cta-group {
        gap: 4px;
        margin-left: 4px;
    }
    
    .brand-text {
        font-size: 1.3rem;
    }
    
    .brand-logo {
        height: 35px;
    }
}

@media (max-width: 1200px) {
    .navbar-container {
        max-width: 950px;
        padding: 0 8px;
    }
    
    .navbar-menu {
        gap: 0;
    }
    
    .navbar-menu.left-nav,
    .navbar-menu.right-nav {
        gap: 0;
    }
    
    .nav-link {
        padding: 3px 6px;
        font-size: 0.7rem;
        min-width: auto;
        font-weight: 500;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 3px 8px !important;
        font-size: 0.7rem !important;
        min-width: 45px !important;
        font-weight: 500 !important;
    }
    
    .cta-group {
        gap: 2px;
        margin-left: 0;
    }
    
    .brand-text {
        font-size: 1.1rem;
    }
    
    .brand-logo {
        height: 30px;
    }
}

/* 紧凑屏幕优化 - 1100px */
@media (max-width: 1100px) {
    .navbar-container {
        max-width: 800px;
        padding: 0 4px;
    }
    
    .nav-link {
        padding: 2px 4px;
        font-size: 0.65rem;
        font-weight: 500;
        line-height: 1.2;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 2px 6px !important;
        font-size: 0.65rem !important;
        min-width: 35px !important;
        font-weight: 500 !important;
        line-height: 1.2 !important;
    }
    
    .brand-text {
        font-size: 1rem;
    }
    
    .brand-logo {
        height: 25px;
    }
    
    .cta-group {
        gap: 1px;
        margin-left: 0;
    }
    
    .navbar-menu.left-nav,
    .navbar-menu.right-nav {
        gap: 0;
    }
}

/* 超紧凑屏幕优化 - 1050px */
@media (max-width: 1050px) {
    .navbar-container {
        max-width: 750px;
        padding: 0 2px;
        height: 60px;
    }
    
    .nav-link {
        padding: 1px 3px;
        font-size: 0.6rem;
        font-weight: 400;
        line-height: 1.1;
        letter-spacing: -0.2px;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: 1px 4px !important;
        font-size: 0.6rem !important;
        min-width: 30px !important;
        font-weight: 400 !important;
        line-height: 1.1 !important;
        letter-spacing: -0.1px !important;
    }
    
    .brand-text {
        font-size: 0.9rem;
        font-weight: 600;
    }
    
    .brand-logo {
        height: 22px;
    }
    
    .cta-group {
        gap: 0;
        margin-left: 0;
    }
    
    .navbar-menu.left-nav,
    .navbar-menu.right-nav {
        gap: 0;
    }
    
    /* 进一步压缩Grid间距 */
    .navbar-container {
        gap: 4px;
    }
}

/* 移动端菜单在桌面端完全隐藏 */
.mobile-menu {
    display: none !important;
}

@media (max-width: 992px) {
    /* 移动端隐藏桌面导航菜单 */
    .navbar-menu.left-nav,
    .navbar-menu.right-nav {
        display: none;
    }
}

@media (max-width: 768px) {
    .navbar-container {
        height: 70px;
        padding: 0 var(--space-md);
        display: flex;
        justify-content: space-between;
        align-items: center;
        grid-template-columns: none;
    }
    
    .navbar-brand {
        grid-column: unset;
        justify-self: unset;
    }
    
    .brand-logo {
        height: 45px;
    }
    
    .brand-text {
        font-size: 1.5rem;
        font-weight: 700;
    }
    
    /* 汉堡按钮显示并靠右 */
    .mobile-toggle {
        display: flex !important;
        margin-left: auto;
    }
    
    /* 在768px以下显示移动端菜单 - 重新启用 */
    .mobile-menu {
        display: none !important;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        width: 100%;
        background: rgba(15, 20, 25, 0.98);
        flex-direction: column;
        padding: var(--space-md);
        border-top: 1px solid var(--brazil-green);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        gap: var(--space-xs);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        z-index: 9998;
    }
    
    .mobile-menu.active {
        display: flex !important;
        animation: slideDownMobile 0.3s ease-out;
    }
    
    @keyframes slideDownMobile {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    /* 移动端导航链接样式 */
    .mobile-menu .mobile-nav-link {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        text-decoration: none;
        font-weight: 500;
        font-size: 1rem;
        padding: var(--space-md);
        margin-bottom: var(--space-xs);
        border-radius: 6px;
        background: rgba(0, 0, 0, 0.2);
        transition: all 0.3s ease;
        border-left: 3px solid transparent;
    }
    
    .mobile-menu .mobile-nav-link:hover,
    .mobile-menu .mobile-nav-link.active {
        color: var(--text-primary);
        background: rgba(0, 155, 58, 0.1);
        border-left-color: var(--brazil-green);
    }
    
    .mobile-menu .mobile-nav-link.active {
        color: var(--brazil-green) !important;
        font-weight: 600;
        background: rgba(0, 155, 58, 0.15);
    }
    
    /* 移动端CTA按钮组 */
    .mobile-menu .mobile-cta-group {
        display: flex;
        gap: var(--space-sm);
        margin-top: var(--space-md);
        padding-top: var(--space-md);
        border-top: 1px solid rgba(0, 155, 58, 0.2);
    }
    
    .mobile-menu .mobile-btn-primary {
        flex: 1;
        background: var(--brazil-green) !important;
        color: var(--text-primary) !important;
        padding: var(--space-md) !important;
        border: none !important;
        border-radius: 6px !important;
        font-weight: 600 !important;
        font-size: 0.9rem !important;
        text-decoration: none !important;
        transition: all 0.3s ease !important;
        text-align: center !important;
    }
    
    .mobile-menu .mobile-btn-secondary {
        flex: 1;
        background: transparent !important;
        color: var(--brazil-yellow) !important;
        padding: var(--space-md) !important;
        border: 1px solid var(--brazil-yellow) !important;
        border-radius: 6px !important;
        font-weight: 600 !important;
        font-size: 0.9rem !important;
        text-decoration: none !important;
        transition: all 0.3s ease !important;
        text-align: center !important;
    }
    
    .mobile-menu .mobile-btn-primary:hover {
        background: #00a83a !important;
    }
    
    .mobile-menu .mobile-btn-secondary:hover {
        background: var(--brazil-yellow) !important;
        color: var(--bg-primary) !important;
        transform: translateY(-1px) !important;
    }
    
    /* 小屏幕上的汉堡按钮 */
    .mobile-toggle {
        width: 42px !important;
        height: 34px !important;
        background: var(--brazil-green) !important;
        padding: 6px !important;
        box-shadow: 0 4px 12px rgba(0, 155, 58, 0.5) !important;
    }
    
    .mobile-toggle span {
        width: 26px !important;
        height: 2px !important;
        background: #ffffff !important;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--space-xs) var(--space-sm) !important;
        font-size: 0.8rem !important;
    }
}

@media (max-width: 480px) {
    .navbar-container {
        height: 70px;
        padding: 0 var(--space-md);
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    
    .brand-logo {
        height: 40px;
    }
    
    .brand-text {
        font-size: 1.3rem;
        font-weight: 700;
    }
    
    /* 确保汉堡按钮在最右侧 */
    .mobile-toggle {
        margin-left: auto;
        order: 2;
    }
    
    .navbar-brand {
        order: 1;
    }
    
    /* 超小屏幕的移动端菜单 */
    .mobile-menu {
        top: 70px !important;
        padding: var(--space-sm);
    }
    
    .mobile-menu .mobile-nav-link {
        padding: var(--space-sm);
        font-size: 0.9rem;
        margin-bottom: var(--space-xs);
    }
    
    .mobile-menu .mobile-btn-primary,
    .mobile-menu .mobile-btn-secondary {
        padding: var(--space-sm) !important;
        font-size: 0.8rem !important;
    }
    
    /* 超小屏幕上汉堡按钮 */
    .mobile-toggle {
        width: 44px !important;
        height: 36px !important;
        background: var(--brazil-green) !important;
        border: 2px solid var(--brazil-yellow) !important;
        padding: 6px !important;
        box-shadow: 0 6px 16px rgba(0, 155, 58, 0.6) !important;
    }
    
    .mobile-toggle span {
        width: 28px !important;
        height: 2px !important;
        background: #ffffff !important;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3) !important;
    }
    
    .navbar-actions {
        flex-direction: column;
        gap: var(--space-xs);
    }
    
    .btn-primary,
    .btn-secondary {
        padding: var(--space-xs) !important;
        font-size: 0.75rem !important;
        min-width: 70px;
    }
}

/* === 移动端菜单打开时的body样式 === */
body.menu-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* === 导航栏特殊效果 === */
.navbar-menu li:nth-child(1) .nav-link { animation-delay: 0.1s; }
.navbar-menu li:nth-child(2) .nav-link { animation-delay: 0.2s; }
.navbar-menu li:nth-child(3) .nav-link { animation-delay: 0.3s; }
.navbar-menu li:nth-child(4) .nav-link { animation-delay: 0.4s; }
.navbar-menu li:nth-child(5) .nav-link { animation-delay: 0.5s; }
.navbar-menu li:nth-child(6) .nav-link { animation-delay: 0.6s; }
.navbar-menu li:nth-child(7) .nav-link { animation-delay: 0.7s; }
.navbar-menu li:nth-child(8) .nav-link { animation-delay: 0.8s; }
.navbar-menu li:nth-child(9) .nav-link { animation-delay: 0.9s; }
.navbar-menu li:nth-child(10) .nav-link { animation-delay: 1.0s; }

.navbar-menu.active .nav-link {
    animation: slideInFromTop 0.3s ease-out both;
}

@keyframes slideInFromTop {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === 英雄区域样式 === */
.hero-section {
    min-height: 100vh;
    background: var(--gradient-brazil);
    position: relative;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0, 155, 58, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(254, 223, 0, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 39, 118, 0.3) 0%, transparent 50%);
    animation: backgroundFloat 20s ease-in-out infinite;
}

@keyframes backgroundFloat {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(1deg); }
}

.brazil-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(45deg, rgba(0, 155, 58, 0.05) 0px, rgba(0, 155, 58, 0.05) 2px, transparent 2px, transparent 20px),
        repeating-linear-gradient(-45deg, rgba(254, 223, 0, 0.05) 0px, rgba(254, 223, 0, 0.05) 2px, transparent 2px, transparent 20px);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.brand-highlight {
    background: var(--gradient-yellow);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
    max-width: 500px;
    line-height: 1.8;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.badge {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all var(--transition-fast);
}

.badge:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.cta-primary {
    background: var(--gradient-yellow);
    color: var(--bg-primary);
    padding: var(--space-md) var(--space-xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-yellow);
    position: relative;
    overflow: hidden;
    min-width: 250px;
}

.cta-primary:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-yellow), 0 16px 48px rgba(254, 223, 0, 0.4);
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.cta-primary:hover::before {
    left: 100%;
}

.cta-secondary {
    background: transparent;
    color: var(--text-primary);
    padding: var(--space-md) var(--space-xl);
    border: 2px solid var(--text-primary);
    border-radius: var(--radius-full);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-normal);
}

.cta-secondary:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-4px);
}

/* === 主图区域 === */
.hero-image {
    position: relative;
    animation: slideInRight 1s ease-out 0.3s both;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.main-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-dark);
    position: relative;
    z-index: 2;
    transition: all var(--transition-slow);
}

.main-image:hover {
    transform: scale(1.05) rotateY(5deg);
    box-shadow: var(--shadow-dark), var(--shadow-green);
}

.image-decoration {
    position: absolute;
    top: -20px;
    left: -20px;
    right: -20px;
    bottom: -20px;
    z-index: 1;
}

.glow-effect {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-brazil);
    border-radius: var(--radius-xl);
    filter: blur(30px);
    opacity: 0.3;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.5; }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    background: var(--brazil-yellow);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    width: 20px;
    height: 20px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 15px;
    height: 15px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 25px;
    height: 25px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-20px) rotate(120deg); }
    66% { transform: translateY(10px) rotate(240deg); }
}

/* === 统计数据区域 === */
.live-stats {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: var(--space-xl);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    padding: var(--space-lg) var(--space-xl);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideInUp 1s ease-out 0.6s both;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.stat-item {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--brazil-yellow);
    display: block;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    margin-top: var(--space-xs);
}

/* === 特色功能区域 === */
.features-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-secondary);
    position: relative;
}

.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-3xl);
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--space-xl);
    margin-top: var(--space-3xl);
}

.feature-card {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    border: 1px solid rgba(0, 155, 58, 0.2);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    animation: fadeInUp 1s ease-out;
}

.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.4s; }

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-brazil);
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-dark), var(--shadow-green);
    border-color: var(--brazil-green);
}

.feature-card:hover::before {
    transform: translateX(0);
}

.feature-image {
    margin-bottom: var(--space-lg);
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.feature-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    transition: all var(--transition-slow);
}

.feature-card:hover .feature-img {
    transform: scale(1.1);
}

.feature-content {
    position: relative;
    z-index: 2;
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.feature-icon {
    font-size: 2rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.3));
}

.feature-list {
    list-style: none;
    margin-bottom: var(--space-lg);
}

.feature-list li {
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.7;
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--brazil-green);
    font-weight: bold;
    font-size: 1.2rem;
}

.feature-list strong {
    color: var(--brazil-yellow);
    font-weight: 600;
}

.feature-btn {
    background: var(--gradient-green);
    color: var(--text-primary);
    padding: var(--space-sm) var(--space-lg);
    border: none;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-green);
}

.feature-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-green), 0 8px 24px rgba(0, 155, 58, 0.4);
}

/* === 信任建立区域 === */
.trust-section {
    padding: var(--space-3xl) 0;
    background: var(--bg-primary);
    border-top: 2px solid var(--brazil-green);
}

.trust-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    text-align: center;
}

.trust-badges {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-xl);
    margin-bottom: var(--space-3xl);
}

.trust-badge {
    background: var(--bg-card);
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 155, 58, 0.2);
    transition: all var(--transition-normal);
    animation: fadeInUp 1s ease-out;
}

.trust-badge:nth-child(2) { animation-delay: 0.2s; }
.trust-badge:nth-child(3) { animation-delay: 0.4s; }
.trust-badge:nth-child(4) { animation-delay: 0.6s; }

.trust-badge:hover {
    transform: translateY(-5px);
    border-color: var(--brazil-yellow);
    box-shadow: var(--shadow-dark);
}

.trust-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
    display: block;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.trust-text strong {
    color: var(--brazil-yellow);
    font-size: 1.2rem;
    display: block;
    margin-bottom: var(--space-xs);
}

.trust-text small {
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* === 最终CTA区域 === */
.final-cta-section {
    padding: var(--space-3xl) 0;
    background: var(--gradient-brazil);
    position: relative;
    overflow: hidden;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: var(--space-md);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: bounceIn 1s ease-out;
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.cta-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
    line-height: 1.8;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
    animation: fadeInUp 1s ease-out 0.6s both;
}

.timer-item {
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(10px);
    padding: var(--space-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 80px;
}

.timer-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--brazil-yellow);
    display: block;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.timer-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
}

.final-cta-button {
    margin-bottom: var(--space-lg);
    animation: fadeInUp 1s ease-out 0.9s both;
}

.mega-cta {
    background: var(--gradient-yellow);
    color: var(--bg-primary);
    padding: var(--space-lg) var(--space-2xl);
    border: none;
    border-radius: var(--radius-full);
    font-size: 1.3rem;
    font-weight: 800;
    text-decoration: none;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-yellow);
    position: relative;
    overflow: hidden;
    min-width: 300px;
}

.mega-cta:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: var(--shadow-yellow), 0 20px 60px rgba(254, 223, 0, 0.5);
}

.mega-cta-text {
    font-size: 1.3rem;
    font-weight: 800;
}

.mega-cta-subtext {
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.8;
}

.mega-cta-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: rotate 4s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.urgency-message {
    animation: fadeInUp 1s ease-out 1.2s both;
}

.urgency-message a {
    color: var(--text-secondary);
    text-decoration: none;
}

.urgency-message .highlight {
    color: var(--brazil-yellow);
    font-weight: 700;
    text-shadow: 0 0 10px rgba(254, 223, 0, 0.5);
}

/* === 页脚样式 === */
.main-footer {
    background: var(--bg-primary);
    border-top: 2px solid var(--brazil-green);
    padding: var(--space-3xl) 0 var(--space-xl);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 400px;
}

.footer-logo {
    height: 50px;
    margin-bottom: var(--space-md);
    filter: drop-shadow(0 2px 8px rgba(254, 223, 0, 0.3));
}

.footer-brand p {
    color: var(--text-secondary);
    line-height: 1.8;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-xl);
}

.footer-column h4 {
    color: var(--brazil-yellow);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
}

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

.footer-column li {
    margin-bottom: var(--space-sm);
}

.footer-column a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: var(--brazil-green);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--space-md);
}

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

.footer-badges {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.footer-badge {
    background: rgba(0, 155, 58, 0.1);
    color: var(--brazil-green);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 155, 58, 0.2);
}

/* === 响应式设计 === */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: var(--space-2xl);
        text-align: center;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-badges {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-primary);
        flex-direction: column;
        padding: var(--space-lg);
        border-top: 1px solid var(--brazil-green);
    }
    
    .navbar-menu.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
        flex-direction: column;
        background: none;
        border: none;
        cursor: pointer;
        padding: var(--space-xs);
    }
    
    .mobile-toggle span {
        width: 25px !important;
        height: 3px !important;
        background: #ffffff !important;
        margin: 3px 0 !important;
        transition: var(--transition-fast) !important;
        border-radius: 2px !important;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .cta-title {
        font-size: 2.5rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .countdown-timer {
        flex-wrap: wrap;
        gap: var(--space-sm);
    }
    
    .live-stats {
        flex-direction: column;
        gap: var(--space-md);
        left: var(--space-md);
        right: var(--space-md);
        transform: none;
    }
    
    .trust-badges {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .cta-title {
        font-size: 2rem;
    }
    
    .feature-card {
        padding: var(--space-lg);
    }
    
    .mega-cta {
        min-width: auto;
        width: 100%;
    }
}

/* === 强制修复汉堡按钮三条线显示 === */
.main-navbar .mobile-toggle span,
.navbar-container .mobile-toggle span,
button.mobile-toggle span {
    background: #ffffff !important;
    display: block !important;
    width: 26px !important;
    height: 3px !important;
    min-height: 3px !important;
    max-height: 3px !important;
    margin: 3px 0 !important;
    border-radius: 2px !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4) !important;
    position: relative !important;
    transform-origin: center !important;
    line-height: 1 !important;
    font-size: 0 !important;
}

/* 确保在所有媒体查询中都生效 */
@media (max-width: 1200px) {
    .mobile-toggle span {
        background: #ffffff !important;
        display: block !important;
        height: 3px !important;
        min-height: 3px !important;
    }
}

@media (max-width: 992px) {
    .mobile-toggle span {
        background: #ffffff !important;
        display: block !important;
        height: 3px !important;
        min-height: 3px !important;
    }
}

@media (max-width: 768px) {
    .mobile-toggle span {
        background: #ffffff !important;
        display: block !important;
        width: 26px !important;
        height: 3px !important;
        min-height: 3px !important;
        max-height: 3px !important;
    }
}

@media (max-width: 480px) {
    .mobile-toggle span {
        background: #ffffff !important;
        display: block !important;
        width: 28px !important;
        height: 3px !important;
        min-height: 3px !important;
        max-height: 3px !important;
    }
}