/* Header Enhanced Styles - Custom styles moved from index.html */

.header-container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 15px 20px !important;
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(10px) !important;
    border-bottom: 1px solid rgba(0,0,0,0.05) !important;
    border-radius: 20px !important;
    margin: 30px auto !important;
    width: auto !important;
    max-width: 1400px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04) !important;
    position: relative !important;
    height: auto !important;
}

.header-logo {
    flex: 0 0 auto !important;
    z-index: 1000 !important;
    flex-shrink: 0 !important;
    display: flex !important;
    align-items: center !important;
}

.user-trust {
    flex: 1 !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 20px !important;
    flex-grow: 1 !important;
    flex-shrink: 1 !important;
    min-width: 0 !important;
}

.nav-right {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 15px !important;
    flex-shrink: 0 !important;
}

/* 响应式header-container宽度系统 */
@media (max-width: 1399px) {
    .header-container {
        max-width: 1200px !important;
    }
}

@media (max-width: 1199px) {
    .header-container {
        max-width: 95% !important;
        margin: 25px auto !important;
        border-radius: 18px !important;
    }
}

@media (max-width: 991px) {
    .header-container {
        max-width: 96% !important;
        margin: 22px auto !important;
        border-radius: 16px !important;
    }
}

/* 移动端 */
@media (max-width: 768px) {
    .user-trust {
        display: none !important;
    }
    .header-container {
        justify-content: space-between !important;
        margin: 20px auto !important;
        max-width: calc(100% - 40px) !important;
        width: calc(100% - 40px) !important;
        border-radius: 16px !important;
        padding: 12px 12px 12px 16px !important;
        height: auto !important;
        position: relative !important;
        left: auto !important;
        right: auto !important;
        top: auto !important;
        transform: none !important;
    }
    .header-container::before {
        display: none !important;
        content: none !important;
    }
    .header-logo a {
        gap: 10px !important;
    }
    .nav-right {
        gap: 12px !important;
    }
}

/* 小手机 */
@media (max-width: 480px) {
    .header-container {
        margin: 15px auto !important;
        max-width: calc(100% - 30px) !important;
        width: calc(100% - 30px) !important;
        border-radius: 12px !important;
        padding: 10px 10px 10px 14px !important;
    }
    .header-logo span {
        font-size: 20px !important;
    }
    .header-logo img {
        width: 36px !important;
        height: 36px !important;
    }
    .header-logo a {
        gap: 8px !important;
    }
    .nav-right {
        gap: 10px !important;
    }
}

/* 极小屏幕 */
@media (max-width: 380px) {
    .header-container {
        margin: 12px auto !important;
        max-width: calc(100% - 24px) !important;
        width: calc(100% - 24px) !important;
        border-radius: 10px !important;
        padding: 8px 8px 8px 12px !important;
    }
    .header-logo span {
        font-size: 18px !important;
    }
    .header-logo img {
        width: 32px !important;
        height: 32px !important;
    }
    .header-logo a {
        gap: 6px !important;
    }
    .nav-right {
        gap: 8px !important;
    }
}

/* Header 基础样式 */
header {
    padding: 0 !important;
    width: 100% !important;
    display: block !important;
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    z-index: 1000 !important;
    background: transparent !important;
    box-sizing: border-box !important;
    height: auto !important;
}

/* 主要内容区域顶部间距 */
main {
    padding-top: 150px !important;
}

@media (max-width: 1199px) {
    main { padding-top: 140px !important; }
}

@media (max-width: 991px) {
    main { padding-top: 130px !important; }
}

@media (max-width: 768px) {
    main { padding-top: 120px !important; }
}

@media (max-width: 480px) {
    main { padding-top: 110px !important; }
}

@media (max-width: 380px) {
    main { padding-top: 100px !important; }
}

.hero-section {
    padding-top: 0 !important;
}

/* App Store按钮样式 */
.app-store-button {
    display: inline-flex !important;
    align-items: center !important;
    background: #000000 !important;
    color: white !important;
    text-decoration: none !important;
    padding: 14px 24px !important;
    border-radius: 12px !important;
    transition: all 0.3s ease !important;
    border: none !important;
    cursor: pointer !important;
    font-family: 'Inter', sans-serif !important;
    position: relative !important;
    overflow: hidden !important;
    margin-left: 15px !important;
    min-height: 52px !important;
    box-sizing: border-box !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

.app-store-button:hover {
    background: #1a1a1a !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 8px 25px rgba(0,0,0,0.2) !important;
}

.app-store-button:focus {
    outline: 2px solid #4A90E2 !important;
    outline-offset: 2px !important;
}

.app-store-button:active {
    transform: translateY(0px) !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15) !important;
}

/* App Store 按钮内容 */
.app-store-content {
    display: flex !important;
    align-items: center !important;
    gap: 14px !important;
    width: 100% !important;
    justify-content: center !important;
}

.app-store-text {
    display: flex !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    line-height: 1.2 !important;
    position: relative !important;
    white-space: nowrap !important;
    text-rendering: optimizeLegibility !important;
    -webkit-font-smoothing: antialiased !important;
    -moz-osx-font-smoothing: grayscale !important;
}

.download-text {
    font-size: 11px !important;
    font-weight: 400 !important;
    color: #ffffff !important;
    margin-bottom: -1px !important;
    opacity: 0.9 !important;
    letter-spacing: 0.3px !important;
}

.store-name {
    font-size: 17px !important;
    font-weight: 600 !important;
    color: #ffffff !important;
    letter-spacing: -0.3px !important;
}

.app-store-icon {
    font-size: 30px !important;
    color: #ffffff !important;
    flex-shrink: 0 !important;
}

/* Play Button 样式 */
.play-button {
    width: 48px !important;
    height: 48px !important;
    border-radius: 50% !important;
    background-color: #000000 !important;
    color: #ffffff !important;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    border: none !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    margin-left: 12px !important;
    margin-top: 0 !important;
    position: relative !important;
    top: auto !important;
    left: auto !important;
    right: auto !important;
    bottom: auto !important;
    transform: none !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    -ms-user-select: none !important;
    user-select: none !important;
    -webkit-tap-highlight-color: transparent !important;
}

.play-button i {
    font-size: 20px !important;
    margin-left: 2px !important;
    color: #ffffff !important;
    line-height: 1 !important;
}

.play-button:hover {
    transform: scale(1.1) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2) !important;
    background-color: #1a1a1a !important;
}

.play-button:active {
    transform: scale(0.95) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
}

.play-button:focus {
    outline: 2px solid #4A90E2 !important;
    outline-offset: 2px !important;
}

/* Button Group 布局 */
.button-group {
    display: flex !important;
    align-items: center !important;
    gap: 0 !important;
    flex-wrap: nowrap !important;
    width: auto !important;
}

/* 桌面端按钮组 */
@media (min-width: 769px) {
    .button-group {
        justify-content: flex-start !important;
        align-items: center !important;
        flex-direction: row !important;
        gap: 0 !important;
    }
    
    .button-row-2 {
        display: contents !important;
    }
    
    .cta-button {
        margin-right: 0 !important;
    }
    .play-button {
        margin-left: 12px !important;
    }
    .app-store-button {
        margin-left: 15px !important;
    }
}

/* 移动端按钮组 - 精致响应式设计 */
@media (max-width: 768px) {
    .button-group {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        gap: 3vh !important;
        width: 100% !important;
        max-width: 90vw !important;
        margin: 0 auto !important;
    }
    
    /* CTA按钮 - 独占一行，精致尺寸 */
    .cta-button {
        width: 75vw !important;
        max-width: 280px !important;
        min-width: 200px !important;
        height: 6vh !important;
        min-height: 45px !important;
        max-height: 55px !important;
        padding: 0 4vw !important;
        margin: 0 !important;
        font-size: 4vw !important;
        max-font-size: 16px !important;
        min-font-size: 14px !important;
        border-radius: 2.5vh !important;
        box-shadow: 0 1vh 3vh rgba(0, 0, 0, 0.15) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 2vw !important;
    }
    
    /* 下排按钮容器 - 播放按钮和App Store横排 */
    .button-row-2 {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 4vw !important;
        width: 100% !important;
        opacity: 1 !important;
        transform: translateY(0) !important;
        visibility: visible !important;
    }
    
    /* 播放按钮 - 保持圆形 */
    .play-button {
        width: 12vw !important;
        height: 12vw !important;
        min-width: 45px !important;
        min-height: 45px !important;
        max-width: 55px !important;
        max-height: 55px !important;
        border-radius: 50% !important;
        margin: 0 !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        flex-shrink: 0 !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .play-button i {
        font-size: 4vw !important;
        min-font-size: 18px !important;
        max-font-size: 22px !important;
        margin-left: 0.5vw !important;
    }
    
    /* App Store按钮 - 横向紧凑 */
    .app-store-button {
        width: auto !important;
        min-width: 45vw !important;
        max-width: 200px !important;
        height: 12vw !important;
        min-height: 45px !important;
        max-height: 55px !important;
        padding: 0 4vw !important;
        margin: 0 !important;
        border-radius: 6vw !important;
        max-border-radius: 28px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        flex: 1 !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    .app-store-content {
        gap: 2vw !important;
        max-gap: 12px !important;
    }
    
    .app-store-text {
        align-items: center !important;
    }
    
    .download-text {
        font-size: 2.8vw !important;
        min-font-size: 10px !important;
        max-font-size: 12px !important;
    }
    
    .store-name {
        font-size: 3.8vw !important;
        min-font-size: 14px !important;
        max-font-size: 17px !important;
    }
    
    .app-store-icon {
        font-size: 6vw !important;
        min-font-size: 22px !important;
        max-font-size: 28px !important;
    }
}

/* 菜单按钮样式 */
#desktop-menu-trigger {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: #000;
    color: #fff;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#desktop-menu-trigger:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    background-color: #222;
}

#desktop-menu-trigger i {
    color: white;
    font-size: 20px;
    transition: all 0.3s ease;
    transform-origin: center center;
    display: block;
    width: 20px;
    height: 20px;
    line-height: 1;
}

#desktop-menu-trigger:hover i {
    transform: rotate(90deg);
}

/* 移动端菜单按钮基础样式 */
#external-menu-btn {
    display: none !important;
    position: fixed !important;
    background-color: #000000 !important;
    color: #ffffff !important;
    border: none !important;
    border-radius: 50% !important;
    z-index: 999999 !important;
    cursor: pointer !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
    align-items: center !important;
    justify-content: center !important;
    font-weight: bold !important;
    font-family: monospace !important;
    transition: all 0.3s ease !important;
}

/* 移动端菜单按钮响应式显示 */
@media (max-width: 768px) {
    #external-menu-btn {
        display: flex !important;
        top: 4vh !important;
        right: 5vw !important;
        width: 5.5vw !important;
        height: 5.5vw !important;
        min-width: 38px !important;
        min-height: 38px !important;
        max-width: 48px !important;
        max-height: 48px !important;
        font-size: 18px !important;
    }
}

@media (max-width: 480px) {
    #external-menu-btn {
        top: 3vh !important;
        right: 4vw !important;
        width: 6vw !important;
        height: 6vw !important;
        min-width: 36px !important;
        min-height: 36px !important;
        max-width: 42px !important;
        max-height: 42px !important;
        font-size: 16px !important;
    }
}

@media (max-width: 380px) {
    #external-menu-btn {
        top: 2.5vh !important;
        right: 3vw !important;
        width: 7vw !important;
        height: 7vw !important;
        min-width: 34px !important;
        min-height: 34px !important;
        max-width: 40px !important;
        max-height: 40px !important;
        font-size: 14px !important;
    }
}

@media (min-width: 769px) {
    #external-menu-btn {
        display: none !important;
    }
}

@media (max-width: 768px) {
    #external-menu-btn {
        display: flex !important;
        top: 30px !important;
        right: 35px !important;
    }
    .desktop-nav-wrapper {
        display: none !important;
    }
    #desktop-menu-trigger {
        display: none !important;
    }
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100% !important;
    height: 100% !important;
    background-color: rgba(0, 0, 0, 0.85) !important;
    z-index: 2000 !important;
    display: flex !important;
    justify-content: center !important;
    align-items: center !important;
    opacity: 0 !important;
    visibility: hidden !important;
    transition: all 0.3s ease !important;
}

.mobile-menu.active {
    opacity: 1 !important;
    visibility: visible !important;
}

.mobile-menu-container {
    width: 85% !important;
    max-width: 320px !important;
    padding: 30px 25px !important;
    background-color: white !important;
    border-radius: 20px !important;
    position: relative !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
}

.close-menu {
    cursor: pointer !important;
    width: 36px !important;
    height: 36px !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    border-radius: 50% !important;
    background: #f3f3f3 !important;
    transition: all 0.2s ease !important;
}

.close-menu i {
    font-size: 24px !important;
    color: #000 !important;
}

.mobile-nav {
    display: flex !important;
    flex-direction: column !important;
    gap: 15px !important;
}

.mobile-nav a {
    color: #000 !important;
    text-decoration: none !important;
    font-size: 18px !important;
    padding: 12px 0 !important;
    border-bottom: 1px solid #f3f3f3 !important;
    font-weight: 400 !important;
    transition: all 0.2s ease !important;
    display: block !important;
}

.mobile-nav a:hover,
.mobile-nav a:active {
    color: #ceff45 !important;
    transform: translateX(5px) !important;
}

/* 通用按钮样式 */
.cta-button,
.play-button,
.app-store-button {
    font-family: 'Inter', sans-serif !important;
    font-weight: 600 !important;
    letter-spacing: -0.2px !important;
    touch-action: manipulation !important;
    -webkit-user-select: none !important;
    -moz-user-select: none !important;
    user-select: none !important;
}

/* CTA按钮图标优化 */
.cta-button i {
    margin-left: 1vw !important;
    font-size: inherit !important;
    transition: transform 0.2s ease !important;
}

@media (max-width: 768px) {
    .cta-button i {
        margin-left: 8px !important;
        font-size: 16px !important;
    }
    
    /* 移动端按钮悬停和点击效果 */
    .cta-button:active {
        transform: translateY(1px) scale(0.98) !important;
        box-shadow: 0 0.5vh 2vh rgba(0, 0, 0, 0.1) !important;
    }
    
    .play-button:active {
        transform: scale(0.95) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    }
    
    .app-store-button:active {
        transform: translateY(1px) scale(0.98) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2) !important;
    }
    
    /* 移动端按钮组强制显示 */
    .button-group {
        opacity: 1 !important;
        transform: translateY(0) !important;
        visibility: visible !important;
    }
    
    .button-row-2 {
        opacity: 1 !important;
        transform: translateY(0) !important;
        visibility: visible !important;
        display: flex !important;
    }
}

/* 按钮交互效果优化 */
@media (max-width: 768px) {
    .play-button,
    .app-store-button {
        transition: all 0.2s ease !important;
    }
    
    .play-button:hover,
    .app-store-button:hover {
        transform: scale(1.02) !important;
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15) !important;
    }
}

/* 移动端进一步优化 */
@media (max-width: 480px) {
    .button-group {
        gap: 2.5vh !important;
        max-width: 95vw !important;
    }
    
    .cta-button {
        width: 80vw !important;
        max-width: 300px !important;
        height: 5.5vh !important;
        font-size: 15px !important;
        border-radius: 2vh !important;
    }
    
    .button-row-2 {
        gap: 3vw !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .play-button {
        width: 11vw !important;
        height: 11vw !important;
        min-width: 42px !important;
        min-height: 42px !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .play-button i {
        font-size: 18px !important;
        margin-left: 1px !important;
    }
    
    .app-store-button {
        min-width: 50vw !important;
        max-width: 180px !important;
        height: 11vw !important;
        min-height: 42px !important;
        border-radius: 5.5vw !important;
        padding: 0 3vw !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .download-text {
        font-size: 10px !important;
    }
    
    .store-name {
        font-size: 14px !important;
    }
    
    .app-store-icon {
        font-size: 20px !important;
    }
}

@media (max-width: 380px) {
    .button-group {
        gap: 2vh !important;
        max-width: 98vw !important;
    }
    
    .cta-button {
        width: 85vw !important;
        max-width: 280px !important;
        height: 5vh !important;
        font-size: 14px !important;
        border-radius: 1.8vh !important;
    }
    
    .button-row-2 {
        gap: 2.5vw !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .play-button {
        width: 10vw !important;
        height: 10vw !important;
        min-width: 38px !important;
        min-height: 38px !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .play-button i {
        font-size: 16px !important;
        margin-left: 1px !important;
    }
    
    .app-store-button {
        min-width: 55vw !important;
        max-width: 160px !important;
        height: 10vw !important;
        min-height: 38px !important;
        border-radius: 5vw !important;
        padding: 0 2.5vw !important;
        display: flex !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
    
    .app-store-content {
        gap: 1.5vw !important;
    }
    
    .download-text {
        font-size: 9px !important;
    }
    
    .store-name {
        font-size: 13px !important;
    }
    
    .app-store-icon {
        font-size: 18px !important;
    }
}

/* 覆盖任何可能与main padding冲突的样式 */
@media (max-width: 768px) {
    .hero-section {
        margin-top: 0 !important;
    }
}

/* Nutrition Essentials section 移动端优化 */
@media (max-width: 768px) {
    .essentials-tabs {
        justify-content: center !important;
        flex-wrap: wrap !important;
        gap: 8px !important;
    }
    
    .tab-button {
        padding: 8px 16px !important;
        font-size: 13px !important;
        min-width: auto !important;
    }
    
    .product-description {
        text-align: center !important;
        padding: 15px !important;
        margin: 20px 0 !important;
    }
    
    .essentials-content-wrapper {
        flex-direction: column !important;
        gap: 30px !important;
    }
    
    .essentials-content {
        text-align: center !important;
    }
    
    .essentials-main-title h2 {
        font-size: 3rem !important;
    }
    
    .essentials-background-text {
        font-size: 5rem !important;
    }
}

@media (max-width: 480px) {
    .essentials-tabs {
        gap: 6px !important;
    }
    
    .tab-button {
        padding: 6px 12px !important;
        font-size: 12px !important;
    }
    
    .product-description {
        font-size: 14px !important;
        padding: 12px !important;
    }
    
    .essentials-main-title h2 {
        font-size: 2.5rem !important;
    }
    
    .essentials-background-text {
        font-size: 4rem !important;
    }
    
    .essentials-description p {
        font-size: 14px !important;
    }
}