* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
    -webkit-user-select: none;
    user-select: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 抽奖记录滚动样式 */
.lottery-scroll-section {
    background: -webkit-gradient(linear, left top, right bottom, from(#667eea), to(#764ba2));
    background: -webkit-linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 12px 0;
    margin: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    overflow: hidden !important;
    position: relative !important;
    max-height: 60px !important;
}

.lottery-scroll-container {
    overflow: hidden !important;
    white-space: nowrap !important;
    position: relative !important;
    width: 100% !important;
    height: 36px !important;
}

.lottery-scroll-track {
    display: -webkit-box !important;
    display: -webkit-flex !important;
    display: -ms-flexbox !important;
    display: inline-flex !important;
    -webkit-flex-wrap: nowrap !important;
    -ms-flex-wrap: nowrap !important;
    flex-wrap: nowrap !important;
    -webkit-box-pack: start !important;
    -webkit-justify-content: flex-start !important;
    -ms-flex-pack: start !important;
    justify-content: flex-start !important;
    -webkit-box-align: center !important;
    -webkit-align-items: center !important;
    -ms-flex-align: center !important;
    align-items: center !important;
    gap: 20px !important;
    padding: 0 15px !important;
    width: auto !important;
    margin: 0 !important;
    height: 100% !important;
}

.lottery-record-item {
    display: -webkit-box !important;
    display: -webkit-flex !important;
    display: -ms-flexbox !important;
    display: inline-flex !important;
    -webkit-box-align: center !important;
    -webkit-align-items: center !important;
    -ms-flex-align: center !important;
    align-items: center !important;
    gap: 8px !important;
    background: rgba(255, 255, 255, 0.2) !important;
    -webkit-backdrop-filter: blur(10px) !important;
    backdrop-filter: blur(10px) !important;
    padding: 6px 14px !important;
    border-radius: 20px !important;
    white-space: nowrap !important;
    border: 1px solid rgba(255, 255, 255, 0.3) !important;
    -webkit-flex-shrink: 0 !important;
    -ms-flex-negative: 0 !important;
    flex-shrink: 0 !important;
    float: none !important;
    clear: none !important;
    display: inline-block !important;
}

.lottery-user {
    color: #fff !important;
    font-weight: 600 !important;
    font-size: 14px !important;
    margin: 0 !important;
    padding: 0 !important;
    display: inline !important;
}

.lottery-amount {
    color: #FFD700 !important;
    font-weight: 700 !important;
    font-size: 14px !important;
    margin: 0 !important;
    padding: 0 !important;
    display: inline !important;
}

/* 无限滚动动画 - 添加浏览器前缀 */
@-webkit-keyframes lotteryScroll {
    0% {
        -webkit-transform: translateX(0);
        transform: translateX(0);
    }
    100% {
        -webkit-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

@-moz-keyframes lotteryScroll {
    0% {
        -moz-transform: translateX(0);
        transform: translateX(0);
    }
    100% {
        -moz-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

@-ms-keyframes lotteryScroll {
    0% {
        -ms-transform: translateX(0);
        transform: translateX(0);
    }
    100% {
        -ms-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

@keyframes lotteryScroll {
    0% {
        -webkit-transform: translateX(0);
        -moz-transform: translateX(0);
        -ms-transform: translateX(0);
        transform: translateX(0);
    }
    100% {
        -webkit-transform: translateX(-50%);
        -moz-transform: translateX(-50%);
        -ms-transform: translateX(-50%);
        transform: translateX(-50%);
    }
}

html, body {
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
    touch-action: manipulation;
}

input, textarea {
    -webkit-user-select: text;
    user-select: text;
}

:root {
    --primary-color: #007AFF;
    --primary-light: #5AC8FA;
    --success-color: #34C759;
    --danger-color: #FF3B30;
    --warning-color: #FF9500;
    --text-primary: #1C1C1E;
    --text-secondary: #8E8E93;
    --text-tertiary: #C7C7CC;
    --bg-primary: #F2F2F7;
    --bg-secondary: #FFFFFF;
    --border-color: #E5E5EA;
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.12);
    --radius-small: 8px;
    --radius-medium: 12px;
    --radius-large: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    padding-bottom: 70px;
    min-height: 100vh;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 16px;
}

a {
    text-decoration: none;
    color: inherit;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--radius-medium);
    font-size: 16px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #2db64d);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #ff453a);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
}

.alert {
    padding: 12px 16px;
    border-radius: var(--radius-medium);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background-color: #ffe5e5;
    color: var(--danger-color);
    border: 1px solid #ffcdd2;
}

.alert-success {
    background-color: #e8f5e9;
    color: var(--success-color);
    border: 1px solid #c8e6c9;
}

.hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #667eea 100%);
    color: white;
    padding: 40px 20px 30px;
    border-radius: 0 0 30px 30px;
    text-align: center;
    margin: 0 -16px 20px;
}

.hero .site-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 12px;
    object-fit: contain;
}

.hero-title {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
}

.hero-subtitle {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.balance-info {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-medium);
    padding: 12px 20px;
    display: inline-block;
    backdrop-filter: blur(10px);
}

.balance-label {
    font-size: 14px;
    opacity: 0.8;
    margin-right: 8px;
}

.balance-amount {
    font-size: 18px;
    font-weight: 700;
}

.language-switch {
    position: absolute;
    top: 16px;
    right: 16px;
}

.language-select {
    padding: 8px 28px 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23ffffff' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    transition: all 0.3s ease;
}

.language-select:hover {
    background-color: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
}

.language-select:focus {
    outline: none;
    border-color: white;
}

.language-select option {
    background: #2d3748;
    color: white;
    padding: 8px 12px;
}

.banner-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 16px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    overflow: hidden;
    box-sizing: border-box;
}

.banner-slider {
    display: flex;
    flex-direction: column;
    gap: 12px;
    overflow: visible;
}

.banner-item {
    width: 100%;
}

.banner-slider::-webkit-scrollbar {
    display: none;
}

.banner-image {
    width: 100%;
    max-width: 100%;
    height: 120px;
    object-fit: cover;
    object-position: center center;
    border-radius: var(--radius-medium);
    display: block;
    overflow: hidden;
    -webkit-object-fit: cover;
    -webkit-object-position: center center;
}

.banner-indicators {
    display: none;
}

.banner-indicators .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.banner-indicators .indicator.active {
    background: var(--primary-color);
    width: 20px;
    border-radius: 4px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.section-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.winners-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
}

.winners-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 200px;
    overflow: hidden;
    position: relative;
}

.winners-scroll-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
    will-change: transform;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    backface-visibility: hidden;
    perspective: 1000px;
}

.winners-scroll-container.animate {
    animation: scrollAnimation linear infinite;
    -webkit-animation: scrollAnimation linear infinite;
}

@keyframes scrollAnimation {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

@-webkit-keyframes scrollAnimation {
    0% {
        -webkit-transform: translateY(0);
    }
    100% {
        -webkit-transform: translateY(-50%);
    }
}

.winners-list::-webkit-scrollbar {
    width: 6px;
}

.winners-list::-webkit-scrollbar-track {
    background: var(--bg-primary);
    border-radius: 10px;
}

.winners-list::-webkit-scrollbar-thumb {
    background: var(--primary-light);
    border-radius: 10px;
}

.winners-list::-webkit-scrollbar-thumb:hover {
    background: var(--primary-color);
}

.winner-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: linear-gradient(135deg, #fff9f0, #fff5e6);
    border-radius: var(--radius-medium);
    border: 0.5px solid #ffd7a0;
}

.winner-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ffa500);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: 700;
}

.winner-info {
    flex: 1;
}

.winner-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.winner-product {
    font-size: 12px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.winner-prize {
    background: linear-gradient(135deg, var(--success-color), #2db64d);
    color: white;
    padding: 6px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-align: center;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex-shrink: 0;
}

.winner-value {
    font-size: 11px;
    font-weight: 400;
    opacity: 0.85;
    margin-top: 2px;
}

.products-section {
    margin-bottom: 20px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.product-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-light);
    border: 0.5px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 122, 255, 0.15);
    border-color: var(--primary-light);
}

.product-card:active {
    transform: translateY(-2px) scale(0.98);
}

.product-image-container {
    position: relative;
    height: 140px;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image-container::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to top, rgba(0,0,0,0.05), transparent);
    pointer-events: none;
}

.product-image {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.lazy-image {
    opacity: 0;
    filter: blur(5px);
    transition: opacity 0.4s ease, filter 0.4s ease;
}

.lazy-image.loaded {
    opacity: 1;
    filter: blur(0);
}

.image-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border: 2px solid #c3cfe2;
    border-top-color: #007AFF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    z-index: 1;
}

.lazy-image.loaded + .image-loader {
    display: none;
}

@keyframes spin {
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.product-card:hover .product-image {
    transform: scale(1.05);
}

.image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
}

.image-placeholder i {
    font-size: 32px;
    margin-bottom: 6px;
    opacity: 0.6;
}

.image-placeholder span {
    font-size: 12px;
}

.image-placeholder.large {
    height: 200px;
}

.image-placeholder.large i {
    font-size: 48px;
}

.category-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    color: white;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 2;
}

.category-image {
    width: 20px;
    height: 20px;
    object-fit: contain;
    vertical-align: middle;
}

.status-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    color: white;
    backdrop-filter: blur(8px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 2;
    letter-spacing: 0.5px;
}

.status-badge.active {
    background: linear-gradient(135deg, var(--success-color), #2db64d);
}

.product-content {
    padding: 10px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.round-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2px;
}

.round-badge {
    background: linear-gradient(135deg, var(--warning-color), #ff7a00);
    color: white;
    padding: 3px 8px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 10px;
    box-shadow: 0 2px 6px rgba(255, 149, 0, 0.3);
}

.history-link {
    color: var(--primary-color);
    font-size: 10px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
}

.history-link:hover {
    color: var(--primary-light);
    transform: translateX(2px);
}

.product-title {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.3;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
    text-align: center;
    min-height: 39px; /* 2行文字的高度 */
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-info {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 4px 0;
}

.progress-bar-container {
    flex: 1;
    height: 4px;
    background: #E5E5EA;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #34C759 0%, #30D158 50%, #2db64d 100%);
    border-radius: 10px;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 8px rgba(52, 199, 89, 0.4);
    position: relative;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.progress-text {
    font-size: 12px;
    color: var(--success-color);
    white-space: nowrap;
    min-width: 40px;
    text-align: right;
    font-weight: 700;
}

.product-footer {
    display: flex;
    justify-content: center;
    align-items: center;
    padding-top: 0;
}

.product-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
    font-size: 15px;
    font-weight: 700;
    color: var(--primary-color);
    margin: 2px 0;
}

.product-price .price-label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.product-price .unit {
    font-size: 13px;
    font-weight: 600;
    opacity: 0.8;
}

.product-progress {
    display: flex !important;
    align-items: center !important;
    gap: 8px !important;
    margin: 8px 0 !important;
    width: 100% !important;
    min-height: 16px !important;
}

.product-progress-track {
    flex: 1 !important;
    height: 5px !important;
    background: #E5E5EA !important;
    border-radius: 10px !important;
    overflow: hidden !important;
    display: block !important;
    min-width: 50px !important;
}

.product-progress-fill {
    height: 100% !important;
    background: linear-gradient(90deg, #34C759 0%, #30D158 50%, #2db64d 100%) !important;
    border-radius: 10px !important;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1) !important;
    display: block !important;
}

.product-progress-text {
    font-size: 11px !important;
    font-weight: 600 !important;
    color: #34C759 !important;
    min-width: 36px !important;
    text-align: right !important;
    line-height: 1 !important;
    margin: 0 !important;
    padding: 0 !important;
}

.join-btn {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: white;
    padding: 10px 24px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    min-width: 90px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
    border: none;
}

.join-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.join-btn:active {
    transform: translateY(0) scale(0.95);
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    text-align: center;
}

.empty-state i {
    font-size: 64px;
    color: var(--text-tertiary);
    margin-bottom: 20px;
}

.empty-state h3 {
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
}

.empty-state.small {
    padding: 30px 20px;
}

.empty-state.small i {
    font-size: 40px;
    margin-bottom: 12px;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    border-top: 1px solid var(--border-color);
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 12px;
    transition: all 0.3s ease;
}

.nav-item i {
    font-size: 20px;
}

.nav-item.active {
    color: var(--primary-color);
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #667eea 100%);
    padding-bottom: 0;
}

.auth-container {
    width: 100%;
    max-width: 400px;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-medium);
    position: relative;
    margin: 0 16px;
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header i,
.auth-header .site-icon {
    font-size: 48px;
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    margin-bottom: 16px;
    object-fit: contain;
}

.auth-header h1 {
    font-size: 24px;
    font-weight: 700;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.input-icon {
    position: relative;
}

.input-icon i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.input-icon input {
    width: 100%;
    padding: 12px 12px 12px 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    font-size: 16px;
    transition: all 0.3s ease;
}

.input-icon input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 14px;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary-color);
    font-weight: 600;
}

.detail-page .back-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
}

.back-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-light);
}

.back-btn i {
    font-size: 16px;
    color: var(--text-primary);
}

.product-image-section {
    margin-bottom: 16px;
}

.product-image-section .image-container {
    position: relative;
    border-radius: var(--radius-large);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecef 100%);
    min-height: 120px;
}

.product-image-section .product-image {
    max-width: 100%;
    max-height: 200px;
    width: auto;
    height: auto;
    object-fit: contain;
}

.product-info-section {
    margin-bottom: 16px;
}

.info-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 20px;
    box-shadow: var(--shadow-light);
}

.product-name {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.product-description {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.info-overview {
    margin-bottom: 16px;
}

.overview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.overview-item {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    border-radius: var(--radius-medium);
    padding: 12px 8px;
    position: relative;
    overflow: hidden;
}

.overview-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.1;
    z-index: 0;
}

.overview-item:nth-child(1) {
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
}

.overview-item:nth-child(1) .item-value {
    color: #1565c0;
}

.overview-item:nth-child(2) {
    background: linear-gradient(135deg, #f3e5f5, #e1bee7);
}

.overview-item:nth-child(2) .item-value {
    color: #7b1fa2;
}

.overview-item:nth-child(3) {
    background: linear-gradient(135deg, #fff3e0, #ffe0b2);
}

.overview-item:nth-child(3) .item-value {
    color: #e65100;
}

.overview-item:nth-child(4) {
    background: linear-gradient(135deg, #e8f5e9, #c8e6c9);
}

.overview-item:nth-child(4) .item-value {
    color: #2e7d32;
}

.overview-item:nth-child(5) {
    background: linear-gradient(135deg, #fff8e1, #ffecb3);
}

.overview-item:nth-child(5) .item-value {
    color: #f57f17;
}

.overview-item:nth-child(6) {
    background: linear-gradient(135deg, #e0f7fa, #b2ebf2);
}

.overview-item:nth-child(6) .item-value {
    color: #00838f;
}

.overview-item .item-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    position: relative;
    z-index: 1;
}

.overview-item .item-label {
    font-size: 13px;
    color: var(--text-secondary);
    display: block;
    text-align: center;
    position: relative;
    z-index: 1;
}

.reward-section {
    margin: 20px 0;
    padding: 16px;
    background: linear-gradient(135deg, #f0f4ff, #e6f0ff);
    border-radius: var(--radius-medium);
    border: 1px solid #d0e0ff;
}

.reward-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.reward-header i {
    color: var(--warning-color);
    font-size: 18px;
}

.reward-header h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
}

.reward-product {
    display: flex;
    align-items: center;
    gap: 12px;
}

.reward-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-small);
    overflow: hidden;
    background: #f5f5f5;
}

.reward-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.reward-image-placeholder {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-small);
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
}

.reward-image-placeholder i {
    font-size: 32px;
}

.currency-icon {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: var(--radius-small);
}

.currency-icon i {
    font-size: 32px;
    color: #fff;
}

.reward-info {
    flex: 1;
}

.reward-product-name {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 4px 0;
    color: var(--text-primary);
}

.reward-product-count {
    font-size: 14px;
    margin: 0 0 4px 0;
    color: var(--text-secondary);
}

.reward-product-desc {
    font-size: 13px;
    margin: 0;
    color: var(--text-secondary);
}

.progress-section {
    margin-top: 16px;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.progress-label {
    font-size: 14px;
    font-weight: 600;
}

.progress-percent {
    font-size: 14px;
    font-weight: 700;
    color: var(--success-color);
}

.progress-track {
    height: 8px;
    background: #E5E5EA;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), #2db64d);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.purchase-section {
    margin-bottom: 16px;
}

.purchase-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 20px;
    box-shadow: var(--shadow-light);
}

.purchase-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
}

.balance-display {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-medium);
    margin-bottom: 16px;
}

.balance-display .balance-label {
    font-weight: 600;
}

.balance-display .balance-amount {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
}

.max-purchase-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: #fff3cd;
    border-radius: var(--radius-medium);
    margin-bottom: 16px;
    font-size: 13px;
    color: #856404;
}

.purchase-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-label {
    font-size: 14px;
    font-weight: 600;
}

.quantity-selector {
    display: flex;
    align-items: center;
    gap: 12px;
}

.qty-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--border-color);
    background: var(--bg-secondary);
    font-size: 20px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.qty-btn:active {
    background: var(--bg-primary);
}

.qty-input {
    flex: 1;
    text-align: center;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-medium);
    font-size: 18px;
    font-weight: 700;
}

.qty-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.cost-summary {
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-medium);
}

.cost-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cost-label {
    font-weight: 600;
}

.cost-amount {
    font-size: 20px;
    font-weight: 700;
    color: var(--danger-color);
}

.purchase-card.sold-out {
    text-align: center;
    padding: 40px 20px;
}

.purchase-card.sold-out i {
    font-size: 48px;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.purchase-card.sold-out h3 {
    font-size: 20px;
    margin-bottom: 8px;
}

.purchase-card.sold-out p {
    color: var(--text-secondary);
}

.purchase-card.winner-card {
    text-align: center;
    padding: 30px 20px;
    background: linear-gradient(135deg, #fff9f0, #fff5e6);
    border: 2px solid #ffd700;
}

.winner-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ffd700, #ffa500);
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.winner-badge i {
    font-size: 18px;
}

.winner-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

.winner-avatar-large {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ffa500);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    border: 3px solid white;
}

.winner-details {
    text-align: left;
}

.winner-username {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.winner-username i {
    color: #ffa500;
}

.winner-ticket {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-secondary);
}

.winner-ticket i {
    color: #ffa500;
}

.winner-congrats {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
    color: white;
    padding: 10px 24px;
    border-radius: 25px;
    font-size: 16px;
    font-weight: 600;
    animation: pulse 2s infinite;
}

.winner-congrats i {
    font-size: 18px;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.my-tickets-section {
    margin-bottom: 16px;
}

.tickets-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 20px;
    box-shadow: var(--shadow-light);
}

.tickets-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 16px;
}

.tickets-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ticket-item {
    padding: 8px 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-small);
    font-size: 13px;
    font-weight: 600;
}

.ticket-item i {
    color: var(--primary-color);
    margin-right: 6px;
}

.history-link-section {
    margin-bottom: 20px;
}

.order-confirm-page .back-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
}

.order-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.order-header {
    background: linear-gradient(135deg, var(--success-color), #45a049);
    color: white;
    padding: 24px;
    text-align: center;
}

.order-header i {
    font-size: 32px;
    margin-bottom: 12px;
}

.order-header h4 {
    font-size: 20px;
    margin-bottom: 4px;
}

.order-header small {
    opacity: 0.9;
}

.order-summary {
    padding: 20px;
}

.summary-title {
    text-align: center;
    margin-bottom: 20px;
    font-size: 16px;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.summary-item.total {
    border-bottom: none;
    padding-top: 16px;
}

.item-label {
    font-weight: 600;
}

.item-value {
    text-align: right;
}

.total-amount {
    font-size: 20px;
    font-weight: 700;
    color: var(--danger-color);
}

.ticket-count-display {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b6b, #ee5a52);
    color: white;
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
}

.balance-info-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-medium);
    margin: 16px 0;
}

.balance-sufficient {
    color: var(--success-color);
    font-weight: 700;
}

.balance-insufficient {
    color: var(--danger-color);
    font-weight: 700;
}

.warning-box {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: var(--radius-medium);
    padding: 16px;
    margin: 16px 0;
}

.warning-box i {
    color: var(--warning-color);
    margin-right: 8px;
}

.warning-box p {
    margin-top: 8px;
    font-size: 13px;
}

.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 20px;
}

.error-state {
    text-align: center;
    padding: 40px 20px;
}

.error-state i {
    font-size: 48px;
    color: var(--warning-color);
    margin-bottom: 16px;
}

.error-state p {
    margin-bottom: 20px;
    color: var(--text-secondary);
}

.success-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 0;
}

.success-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    max-width: 400px;
    width: 100%;
}

.success-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--success-color), #2db64d);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.success-icon i {
    font-size: 40px;
    color: white;
}

.success-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--success-color);
}

.success-info {
    margin-bottom: 24px;
}

.success-info .product-name {
    font-size: 18px;
    margin-bottom: 8px;
}

.success-info .purchase-count {
    color: var(--text-secondary);
}

.tickets-display {
    background: var(--bg-primary);
    border-radius: var(--radius-medium);
    padding: 16px;
    margin-bottom: 24px;
}

.tickets-display h3 {
    font-size: 14px;
    margin-bottom: 12px;
}

.ticket-numbers {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.ticket-numbers .ticket-number {
    padding: 6px 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius-small);
    font-weight: 600;
    font-size: 14px;
}

.good-luck {
    font-size: 18px;
    font-weight: 600;
    color: var(--warning-color);
    margin-bottom: 24px;
}

.good-luck i {
    margin-right: 8px;
}

.profile-page .profile-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #667eea 100%);
    color: white;
    padding: 40px 20px 30px;
    border-radius: 0 0 30px 30px;
    text-align: center;
    margin: 0 -16px 20px;
}

.user-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.user-avatar i {
    font-size: 36px;
}

.profile-header .username {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.balance-card {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-medium);
    padding: 16px 24px;
    display: inline-block;
}

.balance-card .balance-label {
    display: block;
    font-size: 12px;
    opacity: 0.8;
    margin-bottom: 4px;
}

.balance-card .balance-value {
    font-size: 24px;
    font-weight: 700;
}

.section {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 20px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-light);
}

.section .section-title {
    font-size: 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.section .section-title i {
    color: var(--primary-color);
}

.ticket-card {
    padding: 12px;
    background: var(--bg-primary);
    border-radius: var(--radius-medium);
    margin-bottom: 8px;
}

.ticket-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.ticket-header .ticket-number {
    font-weight: 700;
    color: var(--primary-color);
}

.ticket-header .ticket-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.ticket-body {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ticket-body .product-name {
    font-size: 14px;
}

.ticket-body .round-info {
    font-size: 12px;
    color: var(--text-secondary);
}

.win-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #fff9f0, #fff5e6);
    border-radius: var(--radius-medium);
    margin-bottom: 8px;
    border: 0.5px solid #ffd7a0;
}

.win-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #ffd700, #ffa500);
    display: flex;
    align-items: center;
    justify-content: center;
}

.win-icon i {
    font-size: 24px;
    color: white;
}

.win-info {
    flex: 1;
}

.win-info .product-name {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 4px;
}

.win-info .win-amount {
    font-size: 18px;
    font-weight: 700;
    color: var(--success-color);
    margin-bottom: 4px;
}

.win-info .win-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.win-card.claimed {
    opacity: 0.7;
    background: linear-gradient(135deg, #f5f5f5, #e8e8e8);
    border-color: #d0d0d0;
}

.claim-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--success-color), #2db64d);
    color: white;
    border-radius: var(--radius-medium);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.claim-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(52, 199, 89, 0.4);
}

.claim-btn i {
    font-size: 16px;
}

.claimed-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--radius-medium);
    font-size: 14px;
    font-weight: 500;
    border: 1px solid var(--border-color);
}

.claimed-badge i {
    color: var(--success-color);
    font-size: 16px;
}

.logout-section {
    margin-top: 20px;
}

.history-page .back-header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 0;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.history-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 16px;
    box-shadow: var(--shadow-light);
}

.history-card.completed {
    border-left: 4px solid var(--success-color);
}

.history-card.active {
    border-left: 4px solid var(--primary-color);
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.history-header .round-number {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
}

.history-header .round-number i {
    color: var(--primary-color);
}

.history-body .info-row {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    font-size: 14px;
}

.info-row .label {
    color: var(--text-secondary);
}

.info-row .value.ticket {
    font-weight: 700;
    color: var(--success-color);
}

@media (max-width: 320px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.wallet-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.wallet-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--radius-medium);
    color: white;
    text-decoration: none;
    transition: all 0.3s ease;
    gap: 10px;
}

.wallet-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.wallet-card i {
    font-size: 28px;
}

.wallet-card span {
    font-size: 14px;
    font-weight: 600;
    text-align: center;
}

.category-filter {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    gap: 8px;
    padding: 12px 0;
    margin-bottom: 12px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.category-filter::-webkit-scrollbar {
    display: none;
}

.category-item {
    flex-shrink: 0;
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
    white-space: nowrap;
}

.category-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.category-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.category-item[data-category]:not([data-category="all"]).active {
    background: var(--cat-color, var(--primary-color));
    border-color: var(--cat-color, var(--primary-color));
}

.product-card.hidden {
    display: none;
}

/* WebView专属优化样式 */
.webview-hide {
    display: none !important;
}

/* 触摸反馈效果 */
.btn, .nav-item, .product-card, .join-btn, .qty-btn, .claim-btn, .wallet-card, 
.edit-profile-link, .back-btn, .category-item {
    cursor: pointer;
    touch-action: manipulation;
}

.btn:active, .nav-item:active, .product-card:active, .join-btn:active, 
.qty-btn:active, .claim-btn:active, .wallet-card:active, 
.edit-profile-link:active, .back-btn:active, .category-item:active {
    opacity: 0.7;
    transform: scale(0.98);
}

/* 快速点击优化 */
.btn, .nav-item, .product-card, .join-btn {
    pointer-events: auto;
}

/* iOS滚动条隐藏 */
::-webkit-scrollbar {
    width: 0;
    height: 0;
    background: transparent;
}

/* 输入框光标颜色 */
input:focus, textarea:focus {
    caret-color: var(--primary-color);
}

/* 选择文本颜色 */
::selection {
    background-color: rgba(0, 122, 255, 0.3);
    color: var(--text-primary);
}

/* 优化数字输入框 */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* 优化按钮长按效果 */
button {
    -webkit-touch-callout: none;
    touch-callout: none;
}

/* Toast提示样式 */
.app-toast {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    transition: all 0.3s ease;
}

.app-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* 加载指示器样式 */
.app-loading {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 20px 30px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 9999;
}

.loading-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #007AFF;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 输入框聚焦样式优化 */
input:focus, textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.15);
}

/* WebView模式下的特殊样式 */
.webview .nav-item {
    padding: 10px 20px;
}

.webview .bottom-nav {
    padding: 12px 0;
}

/* iOS安全区域适配 */
@media (max-width: 480px) {
    body {
        padding-bottom: calc(70px + env(safe-area-inset-bottom));
    }
    
    .bottom-nav {
        padding-bottom: env(safe-area-inset-bottom);
    }
}

/* ==================== Landing Page 高转化落地页样式 ==================== */
.landing-page .container {
    padding-bottom: 160px;
}

.landing-header {
    display: flex;
    justify-content: flex-end;
    padding: 12px 0;
    position: relative;
    z-index: 10;
}

.landing-header .language-switch {
    position: static;
}

/* 区域一：Hero Section */
.hero-landing {
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 50%, #AF52DE 100%);
    border-radius: 24px;
    padding: 28px 20px;
    margin: 0 -16px 24px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 122, 255, 0.25);
}

.hero-landing::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    pointer-events: none;
}

.hero-badge {
    text-align: center;
    margin-bottom: 20px;
}

.badge-hot {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    border: 1px solid rgba(255, 255, 255, 0.3);
    animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.03); }
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.hero-product-image {
    max-width: 220px;
    max-height: 220px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    animation: productFloat 4s ease-in-out infinite;
}

@keyframes productFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(1deg); }
}

.hero-product-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 30px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    animation: productFloat 4s ease-in-out infinite;
}

.hero-product-placeholder i {
    font-size: 72px;
    opacity: 0.9;
}

.hero-product-placeholder span {
    font-size: 18px;
    font-weight: 700;
}

.hero-pricing {
    text-align: center;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}

.price-compare {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 59, 48, 0.2);
    padding: 6px 14px;
    border-radius: 30px;
    margin-bottom: 12px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.original-price {
    font-size: 14px;
    text-decoration: line-through;
    opacity: 0.85;
}

.price-divider {
    opacity: 0.5;
}

.now-price {
    font-size: 15px;
    font-weight: 800;
    color: #FFD700;
}

.hero-product-name {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-tagline {
    font-size: 14px;
    opacity: 0.9;
}

/* Hero 进度条 */
.hero-progress-card {
    background: rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 13px;
}

.progress-title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
}

.progress-count {
    font-weight: 500;
}

.progress-count strong {
    font-size: 18px;
    color: #FFD700;
}

.hero-progress-track {
    height: 10px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 10px;
}

.hero-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #FFD700 0%, #FF9500 100%);
    border-radius: 10px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 12px rgba(255, 215, 0, 0.5);
    position: relative;
}

.hero-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 2s infinite;
}

.progress-meta {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    opacity: 0.9;
}

.urgency-text {
    color: #FFD700;
    font-weight: 700;
    animation: urgencyBlink 1.5s ease-in-out infinite;
}

@keyframes urgencyBlink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* 倒计时 */
.countdown-card {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    padding: 16px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.countdown-label {
    font-size: 13px;
    margin-bottom: 12px;
    opacity: 0.9;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    padding: 10px 14px;
    min-width: 56px;
}

.countdown-item span {
    display: block;
    font-size: 26px;
    font-weight: 800;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.countdown-item small {
    font-size: 11px;
    opacity: 0.8;
    margin-top: 4px;
    display: block;
}

.countdown-sep {
    font-size: 24px;
    font-weight: 700;
    opacity: 0.8;
}

/* 区域二：Sticky CTA */
.cta-sticky-bar {
    position: fixed;
    bottom: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.1);
    z-index: 999;
    max-width: 480px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.cta-price-hint {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.cta-original {
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.cta-now {
    font-size: 18px;
    font-weight: 800;
    color: var(--danger-color);
}

/* 核心转化区 CTA */
.cta-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 28px 20px;
    margin-bottom: 20px;
    text-align: center;
    box-shadow: var(--shadow-light);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #FF3B30, #FF9500, #FFD700, #FF3B30);
    background-size: 300% 100%;
    animation: gradientMove 3s linear infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

.cta-main-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 340px;
    background: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    color: white;
    border: none;
    border-radius: 30px;
    padding: 18px 28px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(255, 59, 48, 0.45);
    animation: breathing 2s ease-in-out infinite;
    transition: transform 0.2s ease;
    overflow: hidden;
}

.cta-main-btn:active {
    transform: scale(0.96);
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: btnShine 2.5s ease-in-out infinite;
}

@keyframes btnShine {
    0% { left: -100%; }
    100% { left: 200%; }
}

@keyframes breathing {
    0%, 100% {
        box-shadow: 0 8px 28px rgba(255, 59, 48, 0.45);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 12px 36px rgba(255, 59, 48, 0.65);
        transform: scale(1.03);
    }
}

.cta-subline {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 14px;
    margin-bottom: 14px;
}

.cta-guarantee {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 12px;
    color: var(--success-color);
    font-weight: 600;
}

.cta-guarantee i {
    margin-right: 4px;
}

/* 吸底 CTA */
.cta-sticky-bar {
    position: fixed;
    bottom: 70px;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.1);
    z-index: 999;
    max-width: 480px;
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
}

.cta-price-hint {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.cta-original {
    font-size: 12px;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.cta-now {
    font-size: 18px;
    font-weight: 800;
    color: var(--danger-color);
}

.cta-breathing-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    color: white;
    border: none;
    border-radius: 30px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(255, 59, 48, 0.4);
    animation: breathing 2s ease-in-out infinite;
    transition: transform 0.2s ease;
}

.cta-breathing-btn:active {
    transform: scale(0.96);
}

/* 区域三：信任背书 */
.trust-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 24px 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
}

.trust-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.trust-title i {
    color: var(--success-color);
}

.trust-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.trust-card {
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-medium);
    padding: 16px 12px;
    text-align: center;
    transition: all 0.3s ease;
}

.trust-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 122, 255, 0.1);
    border-color: var(--primary-light);
}

.trust-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 22px;
    color: white;
}

.trust-fair { background: linear-gradient(135deg, #34C759, #2db64d); }
.trust-instant { background: linear-gradient(135deg, #007AFF, #5AC8FA); }
.trust-secure { background: linear-gradient(135deg, #5856D6, #AF52DE); }
.trust-google { background: linear-gradient(135deg, #FF9500, #FF3B30); }

.trust-card h3 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.trust-card p {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* 弹窗样式 */
.landing-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.landing-modal.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: var(--bg-secondary);
    width: 100%;
    max-width: 480px;
    border-radius: 24px 24px 0 0;
    padding: 24px 20px 32px;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1;
    max-height: 90vh;
    overflow-y: auto;
}

.landing-modal.show .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: var(--bg-primary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 14px;
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-right: 40px;
}

.modal-product-thumb {
    width: 70px;
    height: 70px;
    border-radius: 14px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.modal-product-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-product-thumb i {
    font-size: 32px;
    color: var(--primary-color);
}

.modal-product-info h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
    line-height: 1.3;
}

.modal-price {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-original {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: line-through;
}

.modal-now {
    font-size: 18px;
    font-weight: 800;
    color: var(--danger-color);
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.modal-tip {
    text-align: center;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.balance-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    background: var(--bg-primary);
    border-radius: var(--radius-medium);
    font-size: 14px;
}

.balance-row strong {
    font-size: 18px;
    color: var(--primary-color);
}

.modal-primary-btn,
.modal-secondary-btn,
.google-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
}

.modal-primary-btn {
    background: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    color: white;
    box-shadow: 0 6px 18px rgba(255, 59, 48, 0.3);
}

.modal-primary-btn:active {
    transform: scale(0.98);
}

.google-login-btn {
    background: #ffffff;
    color: #444;
    border: 1px solid #dadce0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.google-login-btn i {
    color: #4285F4;
    font-size: 20px;
}

.google-login-btn:active {
    background: #f8f9fa;
    transform: scale(0.98);
}

.modal-secondary-btn {
    background: var(--bg-primary);
    color: var(--text-primary);
}

.modal-secondary-btn:active {
    background: var(--border-color);
    transform: scale(0.98);
}

.modal-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 4px 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.modal-divider::before,
.modal-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.modal-note {
    text-align: center;
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 4px;
}

.modal-note i {
    color: var(--success-color);
}

/* 响应式优化 */
@media (min-width: 481px) {
    .landing-modal {
        align-items: center;
    }
    
    .modal-content {
        border-radius: 24px;
        transform: translateY(20px);
        max-height: 85vh;
    }
    
    .landing-modal.show .modal-content {
        transform: translateY(0);
    }
}

@media (max-width: 360px) {
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-product-name {
        font-size: 24px;
    }
    
    .cta-breathing-btn {
        font-size: 13px;
        padding: 12px 14px;
    }
}

/* ==================== Landing Page V2 简洁版 ==================== */
.landing-v2 .container {
    padding-bottom: 90px;
}

/* 主推商品区 */
.featured-product {
    background: var(--bg-secondary);
    border-radius: var(--radius-large);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-light);
    text-align: center;
}

.featured-image-wrap {
    position: relative;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecef 100%);
    border-radius: var(--radius-large);
    overflow: hidden;
    margin-bottom: 20px;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-image {
    width: 80%;
    height: 80%;
    object-fit: contain;
    animation: featuredFloat 4s ease-in-out infinite;
}

.featured-image-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    color: var(--text-secondary);
    animation: featuredFloat 4s ease-in-out infinite;
}

.featured-image-placeholder i {
    font-size: 100px;
    opacity: 0.5;
}

.featured-image-placeholder span {
    font-size: 20px;
    font-weight: 700;
}

@keyframes featuredFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.featured-info {
    margin-bottom: 24px;
}

.featured-name {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.3;
}

.featured-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 碰碰运气按钮 */
.featured-action {
    display: flex;
    justify-content: center;
}

.btn-lucky {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    max-width: 320px;
    background: linear-gradient(135deg, #FF3B30 0%, #FF9500 100%);
    color: white;
    border: none;
    border-radius: 30px;
    padding: 18px 28px;
    font-size: 18px;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 8px 28px rgba(255, 59, 48, 0.45);
    animation: luckyPulse 2s ease-in-out infinite;
    transition: transform 0.2s ease;
    overflow: hidden;
}

.btn-lucky::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: luckyShine 2.5s ease-in-out infinite;
}

.btn-lucky:active {
    transform: scale(0.96);
}

@keyframes luckyPulse {
    0%, 100% {
        box-shadow: 0 8px 28px rgba(255, 59, 48, 0.45);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 12px 36px rgba(255, 59, 48, 0.65);
        transform: scale(1.03);
    }
}

@keyframes luckyShine {
    0% { left: -100%; }
    100% { left: 200%; }
}

/* 其他商品区 */
.more-products {
    margin-bottom: 20px;
}

.more-products .section-header {
    margin-bottom: 16px;
}

.more-products .section-title {
    font-size: 18px;
    font-weight: 700;
}

/* 账户选择弹窗 */
.modal-account {
    text-align: center;
    padding-top: 32px;
}

.modal-product-preview {
    width: 90px;
    height: 90px;
    border-radius: 20px;
    background: linear-gradient(135deg, #f5f7fa 0%, #e8ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    overflow: hidden;
}

.modal-product-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.modal-product-preview i {
    font-size: 40px;
    color: var(--primary-color);
}

.modal-product-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 6px;
    padding: 0 20px;
}

.modal-product-price {
    font-size: 15px;
    color: var(--danger-color);
    font-weight: 700;
    margin-bottom: 24px;
}

.account-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 16px;
}

.account-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 16px;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.account-btn i {
    font-size: 20px;
}

.btn-has-account {
    background: linear-gradient(135deg, #007AFF 0%, #5856D6 100%);
    color: white;
    box-shadow: 0 6px 18px rgba(0, 122, 255, 0.3);
}

.btn-has-account:active {
    transform: scale(0.98);
}

.btn-no-account {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-no-account:active {
    background: var(--border-color);
    transform: scale(0.98);
}

.modal-account .modal-divider {
    margin: 8px 0;
}

.modal-account .google-login-btn {
    margin-bottom: 16px;
}

.modal-hint {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.5;
    padding: 0 10px;
}

/* V2 响应式 */
@media (max-width: 360px) {
    .featured-name {
        font-size: 20px;
    }
    
    .btn-lucky {
        font-size: 16px;
        padding: 16px 20px;
    }
}