/* Main Styles for CNfans Spreadsheet Finds */

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Arial, sans-serif;
}

body {
    background-color: #ffffff;
    color: #333;
    line-height: 1.6;
    padding-top: 0px;
    /* 为固定的logo栏添加上边距 */
}

html {
    -webkit-text-size-adjust: 100%; /* 全局禁用iOS聚焦自动缩放 */
}

/* Mobile UI enhancements */
:root {
    --mobile-gap: 8px;
    --mobile-radius: 10px;
    --mobile-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

/* Touch feedback */
.product-card:active {
    transform: translateY(-2px) scale(0.995);
}

/* Reduce motion on low-performance or accessibility preference */
@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
    .product-card { box-shadow: 0 2px 6px rgba(0,0,0,0.06); }
}

/* Safe area support for iOS notch devices */
@supports (padding: env(safe-area-inset-top)) {
    .fixed-logo-bar { padding-top: calc(12px + env(safe-area-inset-top)); }
    .container {
        padding-left: calc(12px + env(safe-area-inset-left));
        padding-right: calc(12px + env(safe-area-inset-right));
    }
}

/* Mobile layout tuning */
@media (max-width: 768px) {
    .products-grid { gap: var(--mobile-gap); }
    .product-card { border-radius: var(--mobile-radius); box-shadow: var(--mobile-shadow); }
    .product-title { font-size: clamp(13px, 3.8vw, 16px); line-height: 1.5; }
    .us-price, .eur-price { font-size: clamp(14px, 3.5vw, 16px); }
    .container { padding: 0 12px; }

    /* Make nav horizontally scrollable chips */
    .nav-links {
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scroll-snap-type: x mandatory;
        gap: 6px;
    }
    .nav-links a {
        scroll-snap-align: start;
        border: 1px solid #eee;
        background: #fff;
    }
}

@media (max-width: 480px) {
    /* Use aspect-ratio to stabilize image layout */
    .product-image { aspect-ratio: 4 / 5; height: auto; }
    .product-info { height: auto; }
}

/* Top Info Bar Styles */
.top-info-bar {
    background: #f8f9fa;
    padding: 10px 12px;
    text-align: center;
    font-size: 15px;
    color: #444;
    line-height: 1.5;
    border-bottom: 1px solid #e0e0e0;
}

.top-info-bar i {
    margin-right: 6px;
    color: #3c91e6;
}

.top-info-bar strong {
    color: #0056b3;
}

/* Fixed Logo Bar Styles */
.fixed-logo-bar {
    position: fixed;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: auto;
    max-width: 280px;
    min-width: 160px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 2px 8px rgba(0, 0, 0, 0.06);
    padding: 12px 24px;
    z-index: 101;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0 0 20px 20px;
    border: 1px solid rgba(255, 99, 71, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Header Styles */
header {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
    position: relative;
    z-index: 99;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(255, 99, 71, 0.05);
}

/* 隐藏中间的汉堡菜单按钮 */
.header-top .mobile-menu-btn {
    display: none !important;
}

.header-top {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 15px 25px;
}

@media (max-width: 768px) {
    .header-top {
        flex-direction: column;
        align-items: center;
        padding: 10px 16px; /* 压缩头部内边距，减少logo与搜索栏间距 */
        gap: 0;
    }

    /* 完全隐藏头部的nav-links容器，避免占位导致过大间距 */
    .header-top .nav-links {
        display: none !important;
        margin: 0 !important;
        padding: 0 !important;
        height: 0 !important;
        max-height: 0 !important;
        overflow: hidden !important;
    }

    /* 保持导航chips仅在主nav中显示（非header） */
    .nav-links a {
        display: none;
    }
}

.header-bottom {
    padding: 0 25px 15px 25px;
    position: relative;
    z-index: 100;
}

.logo {
    font-size: 24px;
    font-weight: bold;
    color: #ff6347;
    text-decoration: none;
    transition: transform 0.2s ease, color 0.2s ease;
    display: inline-block;
}

.header-top .logo {
    display: flex;
    align-items: center;
    margin-bottom: 8px; /* 移动端更紧凑的logo与搜索栏间距 */
    justify-content: center;
}

.logo:hover {
    transform: scale(1.05);
    color: #ff4500;
}

.search-container {
    position: relative;
    flex: 0 1 450px;
    margin: 0 20px;
    display: flex;
    align-items: center;
}

.search-box {
    width: 100%;
    padding: 10px 84px 10px 18px; /* 右侧为搜索图标+指示pill预留空间 */
    border: 1px solid #eee;
    border-radius: 20px;
    font-size: 16px; /* 统一为16px，避免移动端聚焦缩放 */
    background-color: #f9f9f9;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    outline: none;
}

.search-box::placeholder {
    font-size: 16px;
}

.search-box:focus {
    border-color: #ff6347;
    background-color: white;
    box-shadow: 0 1px 5px rgba(255, 99, 71, 0.2);
}

.search-icon {
    position: absolute;
    right: 18px;
    color: #999;
    cursor: pointer;
    font-size: 15px;
    transition: color 0.2s ease, transform 0.2s ease;
}

.search-icon:hover {
    color: #ff6347;
    transform: scale(1.1);
}

.nav-links {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.nav-links a {
    margin: 5px 8px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 20px;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    white-space: nowrap;
}

.nav-links a i {
    margin-right: 6px;
}

.nav-links a:hover {
    color: #ff6347;
    background-color: rgba(255, 99, 71, 0.08);
}

.nav-links a.active {
    color: #ff6347;
    background-color: rgba(255, 99, 71, 0.1);
    font-weight: 600;
}

/* Navigation Bar Styles */
nav {
    display: none;
    justify-content: flex-start;
    padding: 0px 0px;
    background-color: white;
    margin-bottom: 15px;
    overflow-x: auto;
    white-space: nowrap;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
    scrollbar-width: thin;
    scrollbar-color: #ff6347 #f0f0f0;
}

/* Custom scrollbar for webkit browsers */
nav::-webkit-scrollbar {
    height: 4px;
}

nav::-webkit-scrollbar-track {
    background: #f0f0f0;
    border-radius: 10px;
}

nav::-webkit-scrollbar-thumb {
    background-color: #ff6347;
    border-radius: 10px;
}

/* 信任保障按钮和弹窗样式 */
#trustBtn.trust-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
    margin-bottom: 0px;
    z-index: 1000;
}

#trustBtn.trust-icon:hover {
    transform: scale(1.1);
}

/* 当trustBtn不在浮动按钮容器中时的样式 */
#trustBtn:not(.trust-icon) {
    position: fixed;
    bottom: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background-color: #ff6347;
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

#trustBtn:not(.trust-icon):hover {
    transform: scale(1.1);
    background-color: #ff4500;
}

#trustModal {
    display: none;
    position: fixed;
    bottom: 100px;
    left: 100px;
    background-color: white;
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
    width: 300px;
    z-index: 999;
    font-size: 14px;
    line-height: 1.6;
    border-left: 5px solid #ff6347;
    animation: fadeIn 0.3s ease-in-out;
    transform-origin: bottom left;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

#trustModal p {
    margin-bottom: 12px;
    color: #333;
}

#trustModal p:last-child {
    margin-bottom: 0;
}

#trustModal p strong {
    color: #ff6347;
    font-size: 18px;
    display: block;
    margin-bottom: 10px;
    border-bottom: 1px solid #f0f0f0;
    padding-bottom: 8px;
}

#closeTrustModal:hover {
    background-color: #f0f0f0;
    border-color: #ccc;
    color: #333;
    transform: scale(1.05);
}

nav a {
    margin: 0 10px;
    text-decoration: none;
    color: #333;
    font-weight: normal;
    padding: 8px 12px;
    transition: all 0.2s ease;
    font-size: 14px;
    border-radius: 20px;
    display: flex;
    align-items: center;
}

nav a i {
    margin-right: 6px;
    font-size: 15px;
}

nav a:hover {
    color: #ff6347;
    background-color: rgba(255, 99, 71, 0.08);
}

nav a.active {
    color: #ff6347;
    font-weight: 500;
}

/* Container and Grid Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 10px;
    margin-top: 20px;
    /* 添加顶部边距，避免产品被搜索框遮挡 */
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
    margin-bottom: 30px;
}

/* Promo Banner */
.promo-banner {
    max-width: 1200px;
    margin: 12px auto 16px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    background: linear-gradient(90deg, #e6f7ff 0%, #f0fff4 100%);
    border: 1px solid #eaf2ff;
}
.promo-banner a { display: block; text-decoration: none; }
.promo-banner-img { display:block; width:100%; height:auto; }
.promo-banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
}
.promo-banner-left { display: flex; align-items: center; gap: 10px; }
.promo-banner-left i { color: #25D366; font-size: 24px; }
.promo-banner-title { color: #0f3b69; font-weight: 600; font-size: 16px; }
.promo-banner-right {
    background: #ff4d4f;
    color: #fff;
    padding: 8px 14px;
    border-radius: 999px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(255,77,79,0.4);
}
@media (max-width: 768px) {
    .promo-banner-inner { padding: 12px 14px; }
    .promo-banner-title { font-size: 14px; }
    .promo-banner-right { padding: 6px 12px; }
}

/* Promo Modal */
.promo-modal { 
    display: none; 
    position: fixed; 
    top: 0; left: 0; right: 0; bottom: 0; 
    background: rgba(0,0,0,0.7); 
    z-index: 1002; 
    align-items: center; 
    justify-content: center; 
}
.promo-modal.open { display: flex; }
.promo-modal-content { 
    position: relative; 
    background: #fff; 
    border-radius: 12px; 
    box-shadow: 0 8px 24px rgba(0,0,0,0.2); 
    overflow: hidden; 
    max-width: 720px; 
    width: 92%; 
}
.promo-figure { position: relative; }
.promo-overlay { 
    position: absolute; 
    left: 50%; 
    bottom: 16px; 
    transform: translateX(-50%);
    display: flex; 
    gap: 12px; 
    align-items: center; 
    justify-content: center; 
    z-index: 2; 
}
.promo-modal-img { display:block; width:100%; height:auto; }
.promo-modal-close { 
    position: absolute; 
    top: 10px; right: 12px; 
    width: 32px; height: 32px; 
    border: none; 
    border-radius: 50%; 
    background: rgba(0,0,0,0.45); 
    color: #fff; 
    font-size: 20px; 
    cursor: pointer; 
}
.promo-modal-close:hover { background: rgba(0,0,0,0.6); }

.promo-modal-actions { 
    display:flex; 
    gap:12px; 
    justify-content:center; 
    align-items:center; 
    padding:14px 16px; 
    border-top:1px solid #f0f0f0; 
}
.promo-join-btn, .promo-close-btn {
    display:inline-block;
    text-align:center;
    font-weight:700;
    color:#fff;
    padding:12px 20px;
    border-radius:999px;
    text-decoration:none;
    user-select:none;
    -webkit-tap-highlight-color:transparent;
    transition:transform .15s ease, box-shadow .15s ease, filter .15s ease;
    min-width: 128px;
    line-height:1.2;
}
.promo-join-btn { 
    background: linear-gradient(135deg, #25D366 0%, #1ebe5c 100%);
    box-shadow:0 4px 12px rgba(37,211,102,0.35);
}
.promo-join-btn:hover { filter:brightness(1.06); }
.promo-join-btn:active { transform: scale(0.98); }
.promo-close-btn { 
    background: rgba(60,60,60,0.92);
    border:none;
    font-weight:600;
    box-shadow:0 3px 10px rgba(0,0,0,0.25);
    min-width: 110px;
}
.promo-close-btn:hover { filter:brightness(1.05); }
.promo-close-btn:active { transform: scale(0.98); }
@media (max-width: 480px) {
    .promo-overlay { bottom: 12px; gap: 10px; }
    .promo-join-btn, .promo-close-btn { padding:10px 16px; min-width: 110px; font-size:14px; }
}

/* Product Card Styles */
.product-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    animation: fadeIn 0.5s ease-in-out;
    position: relative;
    border: 1px solid #f0f0f0;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    border-color: #e0e0e0;
}

.product-card a {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
    cursor: pointer;
}

/* 商品详情弹窗样式 */
.product-detail-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    overflow-y: auto;
    padding: 0;
    opacity: 0;
    transition: opacity 0.28s cubic-bezier(.2,.8,.2,1);
}

.product-detail-modal.open {
    opacity: 1;
}

.product-detail-content {
    background-color: white;
    border-radius: 12px;
    max-width: 900px;
    margin: 30px auto;
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    position: relative;
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #eee;
}

.product-detail-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
}

.product-detail-close {
    background: none;
    border: none;
    font-size: 22px;
    color: #999;
    cursor: pointer;
    transition: color 0.2s ease;
}

.product-detail-close:hover {
    color: #ff6347;
}

.product-detail-body {
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
}

.product-detail-images {
    flex: 0 0 50%;
    padding-right: 20px;
}

.product-detail-main-image {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 15px;
}

.product-detail-thumbnails {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.product-detail-thumbnail {
    width: 70px;
    height: 70px;
    object-fit: cover;
    border-radius: 6px;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
}

.product-detail-thumbnail:hover,
.product-detail-thumbnail.active {
    border-color: #ff6347;
}

.product-detail-info {
    flex: 0 0 50%;
}

.product-detail-price {
    font-size: 24px;
    font-weight: bold;
    color: #e63946;
    margin-bottom: 15px;
}

.product-detail-description {
    margin-bottom: 20px;
    line-height: 1.6;
    color: #555;
}

.product-detail-attributes {
    margin-bottom: 20px;
}

.product-detail-attribute {
    display: flex;
    margin-bottom: 10px;
}

.attribute-name {
    flex: 0 0 120px;
    font-weight: 600;
    color: #666;
}

.attribute-value {
    flex: 1;
    color: #333;
}

.product-detail-actions {
    margin-top: 20px;
}

.product-detail-buy-btn {
    display: inline-block;
    background-color: #ff6347;
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.product-detail-buy-btn:hover {
    background-color: #ff4500;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 99, 71, 0.3);
}

.product-detail-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 50px;
    color: #666;
    font-size: 16px;
}

.product-detail-loading i {
    margin-right: 15px;
    color: #ff6347;
    font-size: 24px;
    animation: spin 1s infinite linear;
}

@media (max-width: 768px) {
    .product-detail-modal {
        padding: 0;
        overflow: hidden;
    }

    .product-detail-content {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        width: 100%;
        margin: 0;
        max-width: none;
        border-top-left-radius: 18px;
        border-top-right-radius: 18px;
        border-bottom-left-radius: 0;
        border-bottom-right-radius: 0;
        transform: translateY(100%);
        transition: transform 0.28s cubic-bezier(.2,.8,.2,1);
        max-height: 90vh;
        display: flex;
        flex-direction: column;
        padding-bottom: env(safe-area-inset-bottom);
        will-change: transform;
        overflow-x: hidden;
    }

    .product-detail-modal.open .product-detail-content {
        transform: translateY(0);
    }

    .product-detail-content.dragging {
        transition: none !important;
    }

    .product-detail-body {
        flex-direction: column;
        flex: 1 1 auto;
        overflow-y: auto;
        overflow-x: hidden;
        flex-wrap: nowrap;
    }

    .product-detail-images,
    .product-detail-info {
        flex: 0 0 100%;
        padding-right: 0;
    }

    .product-detail-images {
        margin-bottom: 20px;
    }

    .product-detail-header {
        position: sticky;
        top: 0;
        background: #fff;
        z-index: 1;
    }

    .product-detail-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
    }
}

/* Loading Indicator */
.loading-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 25px;
    grid-column: 1 / -1;
    color: #666;
    font-size: 15px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    margin: 10px 0;
}

.loading-indicator i {
    margin-right: 12px;
    color: #ff6347;
    font-size: 18px;
    animation: spin 1s infinite linear;
}

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

    to {
        transform: rotate(360deg);
    }
}

/* Animation for product cards */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.5s ease-in forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

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

.product-info {
    padding: 12px;
    border-top: 1px solid #f5f5f5;
    display: flex;
    flex-direction: column;
    height: calc(100% - 180px);
}

.product-title {
    margin: 0 0 4px 0;
    font-size: 14px;
    color: #333;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-height: 1.4;
    /* 保持行高为1.4 */
    font-weight: 600;
    word-break: normal;
    /* 不在单词中间断行 */
    white-space: normal;
    /* 允许标题自然换行 */
    hyphens: auto;
    /* 在适当的位置添加连字符 */
}

.product-subtitle {
    font-size: 12px;
    color: #888;
    margin-bottom: 6px;
    font-weight: 400;
}

.product-note {
    font-size: 12px;
    color: #666;
    line-height: 1.4;
    margin: 2px 0;
    margin-top: auto;
    padding-top: 4px;
    border-top: 1px dashed #eee;
}

.product-price {
    margin: 6px 0 0 0;
    display: flex;
    align-items: center;
}

.us-price,
.eur-price {
    display: inline-block;
    position: relative;
}

/* 移除了货币符号伪元素，因为数据中已包含符号 */

.us-price {
    font-weight: bold;
    font-size: 15px;
    color: #e63946;
    /* 稍微调整红色，使其更加醒目 */
}

.eur-price {
    color: #888;
    /* 更浅的灰色，降低视觉优先级 */
    font-size: 13px;
    margin-left: 8px;
    font-weight: normal;
    /* 确保副币种不加粗 */
}

.no-products,
.error-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 30px;
    color: #666;
    font-size: 16px;
}

.error-message {
    color: #ff4500;
}

.loading-indicator,
.loading-more-indicator {
    text-align: center;
    padding: 20px;
    font-size: 16px;
    color: #666;
    width: 100%;
    margin: 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    grid-column: 1 / -1;
}

.end-message {
    text-align: center;
    padding: 25px;
    font-size: 15px;
    color: #666;
    width: 100%;
    margin: 10px auto;
    grid-column: 1 / -1;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 12px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.05);
    font-weight: 500;
    border: 1px dashed #ddd;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 25px;
    left: 25px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 1000;
    transition: all 0.3s ease;
}

.floating-content {
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.3s ease;
    overflow: hidden;
    max-height: 200px;
    /* 足够容纳内容的高度 */
}

.floating-content.collapsed {
    max-height: 0;
    opacity: 0;
    margin-top: 0;
}

.toggle-btn {
    background-color: #0088cc;
    z-index: 1001;
}

.float-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 18px;
}

.help-btn {
    background-color: #0088cc;
}

.float-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.telegram-icon,
.whatsapp-icon,
.trust-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 50%;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    margin-bottom: 0px;
}

/* removed duplicate hover rule to avoid conflicting overrides */

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #ff6347;
    color: white;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 99;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    font-size: 18px;
}

.back-to-top:hover {
    background-color: #ff4500;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

.back-to-top.visible {
    opacity: 1;
}

.telegram-icon:hover,
.whatsapp-icon:hover,
.trust-icon:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .products-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        margin-top: 30px;
        /* 在平板设备上增加顶部边距 */
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    /* Header adjustments for mobile */
    .header-top {
        padding: 12px 15px;
    }

    .header-bottom {
        padding: 0 15px 12px 15px;
    }

    .logo {
        font-size: 16px;
    }

    /* Fixed logo bar mobile styles */
    .fixed-logo-bar {
        max-width: 240px;
        min-width: 140px;
        padding: 10px 18px;
        border-radius: 0 0 16px 16px;
        box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1), 0 1px 6px rgba(0, 0, 0, 0.08);
    }
    
    .fixed-logo-bar .logo {
        font-size: 28px !important;
        text-align: center !important;
        background: linear-gradient(135deg, #ff6347 0%, #ff4500 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        font-weight: 700;
        letter-spacing: -0.5px;
    }

    .search-container {
        flex: 1;
        margin: 0;
        width: 100%;
    }

    .search-box {
        width: 100%;
        padding: 10px 72px 10px 16px; /* 移动端略小的右侧留白 */
        font-size: 16px; /* 移动端同样保持16px，避免iOS自动放大 */
        border-radius: 20px;
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        border: 1px solid rgba(255, 99, 71, 0.15);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        transition: all 0.3s ease;
    }
    
    .search-box:focus {
        border-color: #ff6347;
        background: white;
        box-shadow: 0 3px 12px rgba(255, 99, 71, 0.15);
        transform: translateY(-1px);
    }

    .nav-links a {
        display: none;
    }

    /* 移动端导航样式 - 直接显示在安全支付下面 */
    nav {
        display: flex !important;
        flex-direction: row;
        justify-content: flex-start;
        align-items: center;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        position: static;
        width: 100%;
        height: auto;
        overflow-x: auto;
        overflow-y: hidden;
        white-space: nowrap;
        padding: 12px 16px;
        margin: 0;
        box-shadow: 0 3px 12px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
        border-top: 1px solid rgba(255, 99, 71, 0.08);
        border-bottom: 1px solid rgba(255, 99, 71, 0.08);
        scrollbar-width: thin;
        scrollbar-color: #ff6347 #f0f0f0;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    /* 自定义滚动条样式 */
    nav::-webkit-scrollbar {
        height: 4px;
    }

    nav::-webkit-scrollbar-track {
        background: #f0f0f0;
        border-radius: 10px;
    }

    nav::-webkit-scrollbar-thumb {
        background-color: #ff6347;
        border-radius: 10px;
    }

    nav a {
        display: flex;
        align-items: center;
        padding: 10px 16px;
        margin: 0 6px;
        min-width: max-content;
        border-radius: 25px;
        font-size: 13px;
        font-weight: 600;
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        border: 1px solid rgba(255, 99, 71, 0.1);
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        white-space: nowrap;
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
        position: relative;
        overflow: hidden;
    }

    nav a i {
        margin-right: 6px;
        font-size: 14px;
        color: #666;
    }

    nav a::before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
        transition: left 0.5s;
    }
    
    nav a:hover::before {
        left: 100%;
    }
    
    nav a:hover {
        background: linear-gradient(135deg, rgba(255, 99, 71, 0.1) 0%, rgba(255, 99, 71, 0.05) 100%);
        border-color: #ff6347;
        color: #ff6347;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(255, 99, 71, 0.15);
    }

    nav a:hover i {
        color: #ff6347;
        transform: scale(1.1);
    }

    nav a.active {
        background: linear-gradient(135deg, #ff6347 0%, #ff4500 100%);
        color: white;
        border-color: #ff6347;
        transform: translateY(-1px);
        box-shadow: 0 4px 15px rgba(255, 99, 71, 0.3);
    }

    nav a.active i {
        color: white;
        transform: scale(1.05);
    }

    /* 隐藏汉堡菜单按钮 */
    .mobile-menu-btn {
        display: none !important;
    }
}

/* 用户反馈动画 */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slideOutRight {
    from {
        transform: translateX(0);
        opacity: 1;
    }
    to {
        transform: translateX(100%);
        opacity: 0;
    }
}

/* 用户反馈样式 */
.user-feedback {
    transition: all 0.3s ease;
}

.user-feedback .feedback-content {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-feedback .feedback-close {
    background: none;
    border: none;
    font-size: 18px;
    cursor: pointer;
    padding: 0;
    margin-left: auto;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.user-feedback .feedback-close:hover {
    opacity: 1;
}

/* 重试按钮样式 */
.retry-btn {
    background: #007bff;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-top: 10px;
    transition: background-color 0.2s;
}

.retry-btn:hover {
    background: #0056b3;
}

/* 图片加载状态 */
.product-image.loaded {
    opacity: 1;
}

.product-image.error {
    opacity: 0.7;
    filter: grayscale(100%);
}

/* 产品卡片动画优化 */
.product-card {
    animation: fadeInUp 0.6s ease-out both;
}

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

@media (max-width: 480px) {
    .container {
        margin-top: 40px;
        /* 在手机设备上增加更大的顶部边距 */
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }

    /* Header adjustments for very small screens */
    .header-top {
        padding: 8px 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        border-bottom: 1px solid rgba(255, 99, 71, 0.08);
    }
    
    .fixed-logo-bar {
        max-width: 200px;
        min-width: 120px;
        padding: 8px 16px;
        border-radius: 0 0 14px 14px;
    }
    
    .fixed-logo-bar .logo {
        font-size: 24px !important;
        font-weight: 800;
    }
    .header-bottom {
        padding: 0 12px 10px 12px;
    }

    .logo {
        font-size: 24px;
        font-weight: bold;
        color: #ff6347;
        text-decoration: none;
        transition: transform 0.2s ease, color 0.2s ease;
        display: inline-block;
    }



    .search-container {
        margin: 0;
    }

    .search-box {
        padding: 8px 64px 8px 14px; /* 超小屏右侧留白进一步缩减 */
        font-size: 16px; /* 超小屏也保持16px，防止聚焦缩放 */
        border-radius: 18px;
        background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        border: 1px solid rgba(255, 99, 71, 0.12);
        box-shadow: 0 2px 6px rgba(0, 0, 0, 0.03);
    }
    
    .search-box:focus {
        transform: translateY(-1px);
        box-shadow: 0 3px 10px rgba(255, 99, 71, 0.12);
    }

    .search-icon {
        right: 10px;
        font-size: 12px;
    }

    .nav-links a:first-child {
        padding: 4px 6px;
        font-size: 13px;
    }

    .mobile-menu-btn {
        font-size: 18px;
        padding: 4px;
    }

    /* Remove ineffective top offset for static-position nav on small screens */
    /* nav remains static; no top offset needed */

    /* Product adjustments for very small screens */
    .product-image {
        height: 140px;
    }

    .product-info {
        padding: 8px;
        height: calc(100% - 140px);
    }

    .product-title {
        font-size: 11px;
        margin: 0 0 2px 0;
        -webkit-line-clamp: 2;
        font-weight: 600;
        line-height: 1.3;
    }

    .product-subtitle {
        font-size: 10px;
        margin-bottom: 3px;
        line-height: 1.2;
    }

    .product-note {
        font-size: 9px;
        margin-top: auto;
        padding-top: 4px;
        border-top: 1px dashed #eee;
        line-height: 1.2;
    }

    .product-price {
        font-size: 12px;
        margin: 3px 0 0 0;
    }

    .us-price {
        font-size: 12px;
    }

    .eur-price {
        font-size: 10px;
        margin-left: 4px;
    }

    /* Navigation adjustments for very small screens */
    nav a {
        padding: 12px 15px;
        font-size: 14px;
    }

    nav a i {
        margin-right: 10px;
        font-size: 15px;
    }
}