/* B2B外贸网站样式 */

/* 基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 顶部栏样式 */
.header-top-bar {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    padding: 8px 0;
    font-size: 13px;
    color: #666;
}

.top-bar-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-address {
    color: #666;
}

.top-separator {
    color: #ccc;
    margin: 0 5px;
}

.top-phone-label {
    color: #666;
}

.top-phone {
    color: #3470ff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.top-phone:hover {
    color: #2d5fdd;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.top-link {
    color: #666;
    text-decoration: none;
    transition: color 0.3s;
}

.top-link:hover {
    color: #3470ff;
}

.top-language-switcher {
    position: relative;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    padding: 4px 10px;
    border-radius: 4px;
    transition: background 0.3s;
}

.top-language-switcher:hover {
    background: #f5f7fa;
}

.top-language-switcher:hover .lang-dropdown {
    display: block;
}

.lang-flag {
    font-size: 16px;
    line-height: 1;
}

.lang-text {
    color: #666;
    font-size: 13px;
    font-weight: 500;
}

.lang-arrow {
    width: 12px;
    height: 12px;
    color: #666;
    transition: transform 0.3s;
}

.top-language-switcher:hover .lang-arrow {
    transform: rotate(180deg);
}

.lang-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 6px;
    margin-top: 8px;
    min-width: 140px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    overflow: hidden;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 15px;
    color: #333;
    text-decoration: none;
    transition: background 0.2s;
    border-bottom: 1px solid #f5f5f5;
}

.lang-option:last-child {
    border-bottom: none;
}

.lang-option:hover {
    background: #f5f7fa;
    color: #3470ff;
}

.lang-option-flag {
    font-size: 18px;
    line-height: 1;
}

.lang-option-text {
    font-size: 14px;
    font-weight: 500;
}

/* 主头部样式 */
.main-header {
    background: #ffffff;
    padding: 15px 0;
    border-bottom: 1px solid #e5e7eb;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.logo {
    flex-shrink: 0;
}

.logo-img {
    max-height: 60px;
    transition: all 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.header-info {
    flex: 1;
    text-align: center;
}

.company-slogan {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.header-hotline {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.hotline-icon {
    width: 40px;
    height: 40px;
    background: #3470ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.hotline-icon svg {
    width: 20px;
    height: 20px;
}

.hotline-content {
    display: flex;
    flex-direction: column;
}

.hotline-label {
    font-size: 12px;
    color: #666;
    line-height: 1.2;
}

.hotline-number {
    font-size: 24px;
    font-weight: 700;
    color: #3470ff;
    text-decoration: none;
    line-height: 1.2;
    transition: color 0.3s;
}

.hotline-number:hover {
    color: #2d5fdd;
}

/* 导航栏样式 */
.main-nav-bar {
    background: #3470ff;
    padding: 0;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    display: block;
    padding: 15px 25px;
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s;
    border-right: 1px solid rgba(255,255,255,0.1);
}

.nav-menu a:hover {
    background: rgba(255,255,255,0.1);
}

.nav-menu a.active {
    background: #00d6b9;
    color: #ffffff;
}

.nav-menu li:last-child a {
    border-right: none;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.btn-primary {
    background: #3470ff;
    color: #fff;
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s;
}

.btn-primary:hover {
    background: #2d5fdd;
    transform: translateY(-3px) scale(1.05);
}

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

.btn-secondary {
    background: #6c757d;
    color: #fff;
}

.btn-link {
    background: none;
    color: #3470ff;
    padding: 8px 16px;
    transition: all 0.3s;
}

.btn-link:hover {
    color: #2d5fe6;
    background: #f9fafb;
    border-color: #e8ecf5;
}

.btn-large {
    padding: 12px 30px;
    font-size: 16px;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-sm {
    padding: 5px 10px;
    font-size: 12px;
}

/* 首页样式 */
.hero-section {
    background: #3470ff;
    color: #fff;
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-title {
    font-size: 48px;
    margin-bottom: 20px;
}

.hero-slogan {
    font-size: 24px;
    opacity: 0.9;
}

/* 全屏轮播图 */
.banner-section {
    margin: 0;
    padding: 0;
    width: 100%;
    position: relative;
}

.banner-slider {
    position: relative;
    width: 100%;
}

.banner-slide {
    width: 100%;
}

/* 首页全屏Banner */
.banner-section.is-homepage .banner-slide-wrapper {
    position: relative;
    width: 100%;
    height: 0;
    padding-bottom: 40%;
    overflow: hidden;
}

/* 其他页面固定高度Banner */
.banner-section:not(.is-homepage) .banner-slide-wrapper {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
}

.banner-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.banner-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    z-index: 1;
}

/* Banner蒙版 */
.banner-mask {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    z-index: 5;
    pointer-events: none;
}

/* 首页banner不显示蒙版 */
.banner-section.is-homepage .banner-mask {
    display: none;
}

.banner-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    background: transparent;
    padding: 0;
    z-index: 10;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

/* 确保中心位置正确居中 - 修复选择器：两个类在同一个元素上 */
.banner-overlay.banner-position-center {
    align-items: center !important;
    justify-content: center !important;
}

.banner-overlay .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.banner-content {
    width: 100%;
    padding: 40px 0;
    animation: fadeInUp 0.6s ease-out;
}

/* 首页banner内容区域：添加左右间距和上下外边距 */
.banner-section.is-homepage .banner-content {
    padding: 40px 30px;
    margin-top: 60px;
    margin-bottom: 60px;
}

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

/* 9个位置的布局样式 */

/* 左上角 */
.banner-overlay.banner-position-left-top {
    align-items: flex-start;
    justify-content: flex-start;
}

.banner-position-left-top .banner-content {
    text-align: left;
    padding: 40px 0 0 0;
    width: 100%;
}

.banner-position-left-top .banner-content .banner-subtitle {
    max-width: 600px;
    text-align: left;
}

/* 首页banner内容区域间距调整 */
.banner-section.is-homepage .banner-position-left-top .banner-content {
    padding: 40px 30px 0 30px;
    margin-top: 60px;
    margin-bottom: 0;
}

/* 中上 */
.banner-overlay.banner-position-center-top {
    align-items: flex-start;
    justify-content: center;
}

.banner-position-center-top .banner-content {
    text-align: center !important;
    padding: 40px 0 0 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center !important;
}

.banner-position-center-top .banner-content .banner-subtitle {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
    max-width: 800px !important;
}

.banner-position-center-top .banner-content .banner-button {
    display: inline-block !important;
    width: auto !important;
    max-width: none !important;
}

.banner-section.is-homepage .banner-position-center-top .banner-content {
    padding: 40px 30px 0 30px;
    margin-top: 60px;
    margin-bottom: 0;
}

/* 右上角 */
.banner-overlay.banner-position-right-top {
    align-items: flex-start;
    justify-content: flex-end;
}

.banner-position-right-top .banner-content {
    text-align: right;
    padding: 40px 0 0 0;
    width: 100%;
}

.banner-position-right-top .banner-content .banner-subtitle {
    max-width: 600px;
    text-align: right;
    margin-left: auto;
}

.banner-section.is-homepage .banner-position-right-top .banner-content {
    padding: 40px 30px 0 30px;
    margin-top: 60px;
    margin-bottom: 0;
}

/* 左中 */
.banner-overlay.banner-position-left-center {
    align-items: center;
    justify-content: flex-start;
}

.banner-position-left-center .banner-content {
    text-align: left;
    padding: 0;
    width: 100%;
}

.banner-position-left-center .banner-content .banner-subtitle {
    max-width: 600px;
    text-align: left;
}

.banner-section.is-homepage .banner-position-left-center .banner-content {
    padding: 0 30px;
    margin-top: 60px;
    margin-bottom: 60px;
}

/* 中心 */
.banner-overlay.banner-position-center {
    align-items: center !important;
    justify-content: center !important;
}

.banner-position-center .banner-content {
    text-align: center !important;
    padding: 0;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center !important;
    justify-content: center;
}

.banner-position-center .banner-content .banner-title,
.banner-position-center .banner-content .banner-subtitle,
.banner-position-center .banner-content .banner-desc {
    text-align: center !important;
    width: 100%;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.banner-position-center .banner-content .banner-button {
    text-align: center !important;
    display: inline-block !important;
    width: auto !important;
    max-width: none !important;
    margin-left: auto;
    margin-right: auto;
}

.banner-position-center .banner-content .banner-subtitle {
    text-align: center !important;
    display: block;
    margin-left: auto !important;
    margin-right: auto !important;
    max-width: 800px !important;
}

.banner-section.is-homepage .banner-position-center .banner-content {
    padding: 0 30px;
    margin-top: 60px;
    margin-bottom: 60px;
}

/* 右中 */
.banner-overlay.banner-position-right-center {
    align-items: center;
    justify-content: flex-end;
}

.banner-position-right-center .banner-content {
    text-align: right;
    padding: 0;
    width: 100%;
}

.banner-position-right-center .banner-content .banner-subtitle {
    max-width: 600px;
    text-align: right;
    margin-left: auto;
}

.banner-section.is-homepage .banner-position-right-center .banner-content {
    padding: 0 30px;
    margin-top: 60px;
    margin-bottom: 60px;
}

/* 左下角 */
.banner-overlay.banner-position-left-bottom {
    align-items: flex-end;
    justify-content: flex-start;
}

.banner-position-left-bottom .banner-content {
    text-align: left;
    padding: 0 0 40px 0;
    width: 100%;
}

.banner-position-left-bottom .banner-content .banner-subtitle {
    max-width: 600px;
    text-align: left;
}

.banner-section.is-homepage .banner-position-left-bottom .banner-content {
    padding: 0 30px 40px 30px;
    margin-top: 0;
    margin-bottom: 0;
}

/* 中下 */
.banner-overlay.banner-position-center-bottom {
    align-items: flex-end;
    justify-content: center;
}

.banner-position-center-bottom .banner-content {
    text-align: center !important;
    padding: 0 0 40px 0;
    display: flex;
    flex-direction: column;
    align-items: center !important;
}

.banner-position-center-bottom .banner-content .banner-subtitle {
    text-align: center !important;
    margin-left: auto !important;
    margin-right: auto !important;
    max-width: 800px !important;
}

.banner-position-center-bottom .banner-content .banner-button {
    display: inline-block !important;
    width: auto !important;
    max-width: none !important;
}

.banner-section.is-homepage .banner-position-center-bottom .banner-content {
    padding: 0 30px 40px 30px;
    margin-top: 0;
    margin-bottom: 0;
}

/* 右下角 */
.banner-overlay.banner-position-right-bottom {
    align-items: flex-end;
    justify-content: flex-end;
}

.banner-position-right-bottom .banner-content {
    text-align: right;
    padding: 0 0 40px 0;
    width: 100%;
}

.banner-position-right-bottom .banner-content .banner-subtitle {
    max-width: 600px;
    text-align: right;
    margin-left: auto;
}

.banner-section.is-homepage .banner-position-right-bottom .banner-content {
    padding: 0 30px 40px 30px;
    margin-top: 0;
    margin-bottom: 0;
}

.banner-title {
    margin: 0 0 25px 0;
    font-size: 48px;
    font-weight: 700;
    color: white;
    line-height: 1.3;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.banner-subtitle {
    margin: 0 0 35px 0;
    font-size: 20px;
    opacity: 0.95;
    line-height: 1.7;
    color: white;
    text-shadow: 0 2px 8px rgba(0,0,0,0.5);
    max-width: 800px;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.banner-button {
    display: inline-block;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    margin: 0;
    width: auto;
    max-width: fit-content;
    white-space: nowrap;
}

.banner-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.4);
}

.banner-desc {
    margin: 0;
    font-size: 16px;
    opacity: 0.95;
    line-height: 1.5;
    color: white;
}

/* Slick轮播箭头样式 */
.banner-slider .slick-prev,
.banner-slider .slick-next {
    position: absolute;
    top: 50%;
    z-index: 20;
    width: 50px;
    height: 50px;
    background: rgba(255,255,255,0.2);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    font-size: 0;
    line-height: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-50%) translateX(0);
}

/* Banner悬停时显示按钮 */
.banner-section:hover .banner-slider .slick-prev,
.banner-section:hover .banner-slider .slick-next {
    opacity: 1;
    visibility: visible;
}

/* 去除Slick默认的:before图标（避免与自定义SVG重复） */
.banner-slider .slick-prev::before,
.banner-slider .slick-next::before {
    display: none !important;
    content: none !important;
}

.banner-slider .slick-prev {
    left: 30px;
    transform: translateY(-50%) translateX(-20px);
}

.banner-slider .slick-next {
    right: 30px;
    transform: translateY(-50%) translateX(20px);
}

/* Banner悬停时按钮从左右滑入 */
.banner-section:hover .banner-slider .slick-prev {
    transform: translateY(-50%) translateX(0);
}

.banner-section:hover .banner-slider .slick-next {
    transform: translateY(-50%) translateX(0);
}

.banner-slider .slick-prev:hover,
.banner-slider .slick-next:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-50%) scale(1.1) translateX(0) !important;
    color: white;
}

.banner-slider .slick-prev svg,
.banner-slider .slick-next svg {
    width: 24px;
    height: 24px;
    color: inherit;
    stroke: currentColor;
}

.banner-slider .slick-prev:hover svg,
.banner-slider .slick-next:hover svg {
    color: white;
    stroke: currentColor;
    opacity: 1;
}

.banner-slider .slick-dots {
    bottom: 30px;
    z-index: 20;
}

.banner-slider .slick-dots li button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255,255,255,0.5);
    border: 2px solid transparent;
}

.banner-slider .slick-dots li.slick-active button {
    background: #3470ff;
    border-color: white;
}

/* 去除Slick轮播的默认底部边距 */
.slick-dotted.slick-slider {
    margin-bottom: 0!important;
}

/* Banner下方栏 */
.banner-bottom-bar {
    background: rgba(0,0,0,0.6);
    padding: 15px 0;
    position: relative;
    z-index: 15;
}

.banner-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.breadcrumb-section {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #ffffff;
    font-size: 14px;
}

.breadcrumb-icon {
    width: 18px;
    height: 18px;
    color: #ffffff;
    flex-shrink: 0;
}

.breadcrumb-text {
    color: #ffffff;
}

.breadcrumb-text a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s;
}

.breadcrumb-text a:hover {
    color: #00d6b9;
}

.banner-search-section {
    flex-shrink: 0;
}

.banner-search-form {
    display: flex;
    align-items: center;
    gap: 0;
}

.banner-search-input {
    padding: 10px 15px;
    border: none;
    border-radius: 4px 0 0 4px;
    font-size: 14px;
    width: 300px;
    outline: none;
}

.banner-search-btn {
    padding: 10px 20px;
    background: #3470ff;
    border: none;
    border-radius: 0 4px 4px 0;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s;
}

.banner-search-btn:hover {
    background: #2d5fdd;
}

.banner-search-btn svg {
    width: 20px;
    height: 20px;
}

/* 关于我们区块响应式 */
@media (max-width: 968px) {
    .about-section-homepage > .container > div {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }
    
    .about-image-wrapper {
        order: 1;
    }
    
    .about-content-wrapper {
        order: 2;
    }
    
    .about-content-wrapper h2 {
        font-size: 28px !important;
    }
}

@media (max-width: 768px) {
    .header-top-bar {
        font-size: 12px;
        padding: 6px 0;
    }
    
    .top-bar-left {
        flex-wrap: wrap;
        gap: 5px;
    }
    
    .header-main {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-info {
        order: 3;
        width: 100%;
    }
    
    .header-hotline {
        order: 2;
        width: 100%;
        justify-content: center;
    }
    
    .hotline-number {
        font-size: 20px;
    }
    
    .nav-menu {
        flex-wrap: wrap;
    }
    
    .nav-menu a {
        padding: 12px 15px;
        font-size: 14px;
    }
    
    .banner-section.is-homepage .banner-slide-wrapper {
        padding-bottom: 50%;
    }
    
    .banner-title {
        font-size: 32px;
        margin-bottom: 15px;
    }
    
    .banner-subtitle {
        font-size: 16px;
        margin-bottom: 20px;
        max-width: 100% !important;
    }
    
    /* 移动端所有位置的副标题都使用较小宽度 */
    .banner-position-left-top .banner-content .banner-subtitle,
    .banner-position-right-top .banner-content .banner-subtitle,
    .banner-position-left-center .banner-content .banner-subtitle,
    .banner-position-right-center .banner-content .banner-subtitle,
    .banner-position-left-bottom .banner-content .banner-subtitle,
    .banner-position-right-bottom .banner-content .banner-subtitle {
        max-width: 100% !important;
    }
    
    .banner-position-center-top .banner-content .banner-subtitle,
    .banner-position-center .banner-content .banner-subtitle,
    .banner-position-center-bottom .banner-content .banner-subtitle {
        max-width: 90% !important;
    }
    
    .banner-button {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    .banner-content {
        padding: 30px 0;
    }
    
    .about-section-homepage {
        margin: 40px 0 !important;
        padding: 40px 0 !important;
    }
    
    .about-content-wrapper h2 {
        font-size: 24px !important;
    }
    
    .banner-bottom-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .banner-search-input {
        width: 100%;
    }
    
    .banner-slider .slick-prev,
    .banner-slider .slick-next {
        width: 40px;
        height: 40px;
    }
    
    .banner-slider .slick-prev {
        left: 15px;
    }
    
    .banner-slider .slick-next {
        right: 15px;
    }
    
    .banner-slider .slick-dots {
        bottom: 20px;
    }
}

@media (max-width: 480px) {
    .header-top-bar {
        font-size: 11px;
    }
    
    .top-bar-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
    
    .top-bar-right {
        width: 100%;
        justify-content: flex-start;
    }
    
    .logo-img {
        max-height: 45px;
    }
    
    .hotline-number {
        font-size: 18px;
    }
    
    .nav-menu {
        flex-direction: column;
    }
    
    .nav-menu a {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .banner-section.is-homepage .banner-slide-wrapper {
        padding-bottom: 60%;
    }
    
    .banner-section:not(.is-homepage) .banner-slide-wrapper {
        height: 200px;
    }
    
    .banner-title {
        font-size: 24px;
        margin-bottom: 10px;
    }
    
    .banner-subtitle {
        font-size: 14px;
        margin-bottom: 15px;
    }
    
    .banner-button {
        padding: 10px 20px;
        font-size: 13px;
    }
    
    /* 移动端统一居中显示 */
    .banner-overlay.banner-position-left-top,
    .banner-overlay.banner-position-center-top,
    .banner-overlay.banner-position-right-top,
    .banner-overlay.banner-position-left-center,
    .banner-overlay.banner-position-right-center,
    .banner-overlay.banner-position-left-bottom,
    .banner-overlay.banner-position-center-bottom,
    .banner-overlay.banner-position-right-bottom {
        align-items: center;
        justify-content: center;
    }
    
    .banner-position-left-top .banner-content,
    .banner-position-center-top .banner-content,
    .banner-position-right-top .banner-content,
    .banner-position-left-center .banner-content,
    .banner-position-right-center .banner-content,
    .banner-position-left-bottom .banner-content,
    .banner-position-center-bottom .banner-content,
    .banner-position-right-bottom .banner-content {
        text-align: center;
        padding: 20px 0;
    }
    
    .banner-bottom-content {
        flex-direction: column;
        gap: 10px;
    }
    
    .banner-search-input {
        width: 100%;
    }
    
    .banner-slider .slick-prev,
    .banner-slider .slick-next {
        display: none !important;
    }
}

.banner-overlay h3 {
    margin: 0 0 10px 0;
    font-size: 28px;
    font-weight: 600;
}

.banner-overlay p {
    margin: 0;
    font-size: 16px;
    opacity: 0.95;
    line-height: 1.5;
}

/* 确保banner内容区域的标题、副标题、按钮有正确的间距 */
.banner-content .banner-title {
    margin: 0 0 25px 0 !important;
}

.banner-content .banner-subtitle {
    margin: 0 0 35px 0;
}

.banner-content .banner-button {
    margin: 0 !important;
}

@media (max-width: 768px) {
    .banner-section.is-homepage .banner-slide-wrapper {
        padding-bottom: 50%;
    }
    
    .banner-section:not(.is-homepage) .banner-slide-wrapper {
        height: 250px;
    }
    
    .banner-title {
        font-size: 32px;
    }
    
    .banner-subtitle {
        font-size: 16px;
        margin-bottom: 20px;
        max-width: 100% !important;
    }
    
    /* 移动端所有位置的副标题都使用较小宽度 */
    .banner-position-left-top .banner-content .banner-subtitle,
    .banner-position-right-top .banner-content .banner-subtitle,
    .banner-position-left-center .banner-content .banner-subtitle,
    .banner-position-right-center .banner-content .banner-subtitle,
    .banner-position-left-bottom .banner-content .banner-subtitle,
    .banner-position-right-bottom .banner-content .banner-subtitle {
        max-width: 100% !important;
    }
    
    .banner-position-center-top .banner-content .banner-subtitle,
    .banner-position-center .banner-content .banner-subtitle,
    .banner-position-center-bottom .banner-content .banner-subtitle {
        max-width: 90% !important;
    }
    
    .banner-button {
        padding: 12px 24px;
        font-size: 14px;
    }
    
    /* 移动端统一居中显示 */
    .banner-overlay.banner-position-left-top,
    .banner-overlay.banner-position-center-top,
    .banner-overlay.banner-position-right-top,
    .banner-overlay.banner-position-left-center,
    .banner-overlay.banner-position-right-center,
    .banner-overlay.banner-position-left-bottom,
    .banner-overlay.banner-position-center-bottom,
    .banner-overlay.banner-position-right-bottom {
        align-items: center;
        justify-content: center;
    }
    
    .banner-position-left-top .banner-content,
    .banner-position-center-top .banner-content,
    .banner-position-right-top .banner-content,
    .banner-position-left-center .banner-content,
    .banner-position-right-center .banner-content,
    .banner-position-left-bottom .banner-content,
    .banner-position-center-bottom .banner-content,
    .banner-position-right-bottom .banner-content {
        text-align: center;
        padding: 30px 0;
    }
    
    .banner-slider .slick-prev,
    .banner-slider .slick-next {
        width: 40px;
        height: 40px;
    }
    
    .banner-slider .slick-prev {
        left: 15px;
    }
    
    .banner-slider .slick-next {
        right: 15px;
    }
    
    .banner-slider .slick-dots {
        bottom: 20px;
    }
}

/* 产品网格 */
.products-section {
    margin: 60px 0;
}

.section-title {
    font-size: 32px;
    margin-bottom: 30px;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

.product-card {
    background: #ffffff;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: 1px solid #e8ecf5;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: #3470ff;
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
    background: #f8f9ff;
}

.product-card:hover::before {
    transform: scaleX(1);
}

.product-card:hover .product-name a {
    color: #3470ff;
}

.product-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
}

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

.product-info {
    padding: 20px;
}

.product-name {
    font-size: 18px;
    margin-bottom: 10px;
}

.product-name a {
    color: #333;
    text-decoration: none;
}

.product-name a:hover {
    color: #3470ff;
}

.product-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 14px;
    color: #666;
}

.product-price {
    color: #3470ff;
    font-weight: bold;
}

.btn-inquiry {
    width: 100%;
    margin-top: 10px;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-inquiry:hover {
    transform: translateY(-3px) scale(1.05);
    background: #2d5fdd;
}

/* 认证展示 */
.certifications-section {
    margin: 60px 0;
    background: #fff;
    padding: 40px 0;
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
}

.certification-item {
    text-align: center;
}

.cert-link {
    display: block;
    text-decoration: none;
    color: #333;
}

.cert-icon {
    max-width: 100px;
    max-height: 100px;
}

.cert-name {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

/* 客户案例 */
.cases-section {
    margin: 60px 0;
    padding: 40px 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

@media (max-width: 768px) {
    .cases-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 480px) {
    .cases-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.case-card {
    background: #ffffff;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.case-card:hover {
    transform: translateY(-5px);
}

.case-logo {
    padding: 30px;
    background: #f9fafb;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 150px;
}

.case-logo img {
    max-width: 100%;
    max-height: 100px;
    object-fit: contain;
}

.case-content {
    padding: 20px;
}

.case-name {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
    margin: 0 0 10px 0;
}

.case-industry {
    display: inline-block;
    padding: 4px 12px;
    background: #3470ff;
    color: #fff;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    margin-right: 8px;
    margin-bottom: 10px;
}

.case-country {
    display: inline-block;
    padding: 4px 12px;
    background: #00d6b9;
    color: #fff;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 10px;
}

.case-description {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.6;
    margin: 0 0 15px 0;
}

/* 客户案例详情页 */
.case-detail {
    margin: 30px 0;
}

.case-header {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
    display: flex;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}

.case-logo-large {
    flex-shrink: 0;
}

.case-logo-large img {
    width: 200px;
    height: 120px;
    object-fit: contain;
    background: #f9fafb;
    padding: 20px;
    border-radius: 8px;
}

.case-header-info {
    flex: 1;
    min-width: 300px;
}

.case-header-info h1 {
    margin: 0 0 15px 0;
    font-size: 32px;
    font-weight: 700;
    color: #111827;
}

.case-description-section,
.related-products-section,
.similar-cases-section {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    margin-bottom: 30px;
}

.case-description-section h2,
.related-products-section h2,
.similar-cases-section h2 {
    margin: 0 0 20px 0;
    font-size: 24px;
    font-weight: 600;
    color: #111827;
    padding-bottom: 15px;
    border-bottom: 2px solid #3470ff;
}

.case-description-content {
    font-size: 16px;
    line-height: 1.8;
    color: #374151;
}

.related-products-grid,
.similar-cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

@media (max-width: 768px) {
    .case-header {
        flex-direction: column;
        text-align: center;
    }
    
    .case-header-info h1 {
        font-size: 24px;
    }
    
    .related-products-grid,
    .similar-cases-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
}

@media (max-width: 480px) {
    .related-products-grid,
    .similar-cases-grid {
        grid-template-columns: 1fr;
    }
}

.case-actions {
    text-align: center;
    padding: 30px 0;
}

/* 产品列表页 */
.product-list-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    margin: 30px 0;
}

.filter-sidebar {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
    transition: all 0.3s;
}

.filter-group {
    margin-bottom: 25px;
}

.filter-group h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #3470ff;
    font-weight: 600;
    padding-bottom: 10px;
    border-bottom: 2px solid #e8ecf5;
}

.filter-options label {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    padding: 8px 12px;
    border-radius: 6px;
    transition: background-color 0.2s;
}

.filter-options label:hover {
    background-color: #f9fafb;
}

.filter-options input[type="radio"] {
    margin-right: 10px;
    cursor: pointer;
    accent-color: #3470ff;
}

.product-list-main {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    transition: all 0.3s;
}

.sort-bar {
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid #eee;
}

.sort-bar select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

/* 产品详情页 */
.product-detail {
    background: #ffffff;
    padding: 30px;
    border-radius: 16px;
    margin: 30px 0;
    position: relative;
}

.product-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: #3470ff;
}

.product-detail-main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.product-images {
    position: sticky;
    top: 100px;
}

.product-main-image {
    margin-bottom: 15px;
    cursor: pointer;
    position: relative;
    width: 100%;
    padding-bottom: 100%; /* 方形比例 1:1 */
    height: 0;
    overflow: hidden;
    background: #f5f5f5;
    border-radius: 8px;
}

.product-main-image > * {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.product-thumbnails {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 4px;
    cursor: pointer;
    opacity: 0.7;
    transition: all 0.3s;
    overflow: hidden;
    position: relative;
}

.thumbnail:hover {
    opacity: 1;
    transform: scale(1.05);
}

.thumbnail.active {
    opacity: 1;
    outline: 2px solid #3470ff;
    outline-offset: 2px;
    transform: scale(1.05);
}

.thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.thumbnail:hover img {
    transform: scale(1.1);
}

.product-main-image {
    position: relative;
}

.image-controls {
    opacity: 0.8;
    transition: opacity 0.3s;
}

.product-main-image:hover .image-controls,
#image-viewer:hover .image-controls {
    opacity: 1;
}

#image-viewer {
    position: relative;
}

#image-viewer:hover .image-controls {
    opacity: 1;
}

.image-nav-btn:hover,
.image-zoom-btn:hover {
    transform: scale(1.15) !important;
    background: rgba(255,255,255,1) !important;
}

.product-title {
    font-size: 32px;
    margin-bottom: 20px;
}

.product-specs {
    margin-bottom: 30px;
}

.spec-item {
    display: flex;
    margin-bottom: 10px;
}

.spec-label {
    font-weight: bold;
    width: 150px;
}

.product-price-section {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 30px;
}

.price-main {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.price-label {
    font-size: 16px;
}

.price-value {
    font-size: 32px;
    color: #3470ff;
    font-weight: bold;
}

.bulk-discounts ul {
    list-style: none;
    margin-top: 10px;
}

.bulk-discounts li {
    padding: 5px 0;
}

.product-certifications {
    margin-bottom: 30px;
}

.cert-badges {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.cert-badge {
    padding: 5px 15px;
    background: #e9ecef;
    border-radius: 20px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
}

.product-actions {
    margin-top: 30px;
}

.product-description-section,
.product-packaging-section,
.similar-products-section {
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid #eee;
}

/* 图片模态框 */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    cursor: pointer;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 90%;
    max-height: 90%;
    margin-top: 5%;
    border-radius: 12px;
    animation: zoomIn 0.3s ease;
}

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 48px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    transition: all 0.3s;
}

.modal-close:hover {
    background: rgba(52, 112, 255, 0.8);
    transform: rotate(90deg);
}

/* 视频模态框 */
.video-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.9);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.video-modal-content {
    position: relative;
    width: 90%;
    max-width: 1200px;
    background: #000;
    border-radius: 12px;
    overflow: hidden;
    animation: zoomIn 0.3s;
    padding: 20px;
    box-sizing: border-box;
}

.video-modal-close {
    position: absolute;
    top: 15px;
    right: 15px;
    color: #fff;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 10001;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    line-height: 1;
}

.video-modal-close:hover {
    color: #fff;
    background: rgba(52, 112, 255, 0.8);
    transform: rotate(90deg);
}

#video-player-container {
    width: 100%;
}

/* 视频预览卡片 */
.video-preview-card {
    transition: transform 0.3s, box-shadow 0.3s;
}

.video-preview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(52, 112, 255, 0.3);
}

.video-preview-card:hover > div > div:first-child {
    background: rgba(0, 0, 0, 0.2) !important;
}

.video-preview-card:hover > div > div:first-child > div {
    transform: scale(1.1);
    background: rgba(52, 112, 255, 1) !important;
}

/* 询盘表单 */
.inquiry-form-container {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    margin: 30px 0;
    max-width: 800px;
    position: relative;
}

.inquiry-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: #3470ff;
}

.form-section {
    margin-bottom: 40px;
    padding-bottom: 30px;
    border-bottom: 1px solid #eee;
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h3 {
    margin-bottom: 20px;
    color: #333;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.form-group textarea {
    resize: vertical;
    padding: 12px 14px;
    line-height: 1.6;
}

/* 确保所有 textarea 都有足够的内边距 */
textarea {
    padding: 12px 14px !important;
    line-height: 1.6;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.required {
    color: #00d6b9;
    font-weight: 600;
}

.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    font-weight: normal;
}

.radio-group input[type="radio"] {
    width: auto;
    margin-right: 5px;
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.related-product-info {
    padding: 15px;
    background: #f8f9fa;
    border-radius: 4px;
}

/* 登录/注册 */
.login-container,
.register-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
    margin: 30px 0;
}

.login-box,
.register-box {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    width: 100%;
    max-width: 500px;
    position: relative;
}

.login-box::before,
.register-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: #3470ff;
}

.login-box h1,
.register-box h1 {
    margin-bottom: 30px;
    text-align: center;
}

.login-links,
.register-links {
    text-align: center;
    margin-top: 20px;
}

.login-links a,
.register-links a {
    color: #3470ff;
    text-decoration: none;
    margin: 0 10px;
}

.login-links a:hover,
.register-links a:hover {
    color: #2d5fe6;
}

/* 会员中心样式已移除 - 会员功能已取消 */
/* 以下样式已删除：
   - .member-center
   - .member-sidebar
   - .member-menu
   - .member-content
   - .member-section
   - .profile-info
   - .info-item
   - .member-level
*/

.inquiries-table {
    width: 100%;
    border-collapse: collapse;
}

.inquiries-table th,
.inquiries-table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.inquiries-table th {
    background: #f8f9fa;
    font-weight: 600;
}

.status-badge {
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
}

.status-badge.status-pending {
    background: #ffc107;
    color: #000;
}

.status-badge.status-in_progress {
    background: #17a2b8;
    color: #fff;
}

.status-badge.status-completed {
    background: #00d6b9;
    color: #fff;
}

.status-badge.status-cancelled {
    background: #dc3545;
    color: #fff;
}

/* 分页 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 30px 0;
}

.page-link {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.page-link:hover {
    background: #f8f9fa;
}

.page-link.active {
    background: #3470ff;
    color: #fff;
    border-color: #3470ff;
}

/* 提示框 */
.alert {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-success {
    background: #e6faf7;
    color: #006b5c;
    border: 1px solid #00d6b9;
}

/* 页脚 */
.main-footer {
    background: #1f2937;
    color: #fff;
    padding: 50px 0 20px;
    margin-top: 80px;
    border-top: 3px solid #3470ff;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 30px;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 15px;
    color: #3470ff;
    font-weight: 600;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
}

.footer-links a:hover {
    color: #00d6b9;
    transform: translateX(3px);
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    padding: 10px 18px;
    background: #555;
    border-radius: 6px;
    text-decoration: none;
    color: #fff;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 500;
    display: inline-block;
}

.social-link:hover {
    background: #3470ff;
    transform: translateY(-3px) scale(1.05);
}

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    opacity: 0.8;
    color: rgba(255,255,255,0.7);
}

.footer-bottom p {
    margin: 0;
    line-height: 1.6;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-bottom a {
    color: rgba(255,255,255,0.7);
    text-decoration: none;
    transition: color 0.3s;
    display: inline-flex;
    align-items: center;
}

.footer-bottom a:hover {
    color: #00d6b9;
}

/* 文章列表页样式 */
.content-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 30px;
    margin: 30px 0;
}

.sidebar {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    height: fit-content;
    position: sticky;
    top: 100px;
    transition: all 0.3s;
}

.sidebar-box h3 {
    font-size: 16px;
    margin-bottom: 15px;
    color: #3470ff;
    font-weight: 600;
    padding-bottom: 10px;
    border-bottom: 2px solid #e8ecf5;
}

.category-list {
    list-style: none;
}

.category-list li {
    margin-bottom: 8px;
}

.category-list a {
    display: block;
    padding: 8px 12px;
    color: #666;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
}

.category-list a:hover,
.category-list a.active {
    background: #f9fafb;
    color: #3470ff;
    font-weight: 500;
}

.search-box {
    margin-bottom: 30px;
}

.search-box form {
    display: flex;
    gap: 10px;
}

.articles-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.article-item {
    background: #ffffff;
    border-radius: 12px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    gap: 20px;
    padding: 20px;
    position: relative;
}

.article-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(180deg, #3470ff 0%, #00d6b9 100%);
    transform: scaleY(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.article-item:hover {
    transform: translateY(-5px) scale(1.01);
    background: #f8f9ff;
}

.article-item:hover::before {
    transform: scaleY(1);
}

.article-image {
    flex-shrink: 0;
    width: 200px;
    height: 150px;
    overflow: hidden;
    border-radius: 8px;
}

.article-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.article-item:hover .article-image img {
    transform: scale(1.05);
}

.article-content {
    flex: 1;
}

.article-meta {
    display: flex;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    align-items: center;
    font-size: 13px;
    color: #6b7280;
}

.article-category {
    padding: 4px 10px;
    background: #e8ecf5;
    color: #3470ff;
    border-radius: 12px;
    font-weight: 500;
}

.article-badge {
    padding: 4px 10px;
    background: #00d6b9;
    color: #fff;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

.article-date {
    color: #9ca3af;
}

/* 文章详情页样式 */
.article-detail {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    margin: 30px 0;
    position: relative;
}

.article-detail::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: #3470ff;
}

.article-header {
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e5e7eb;
}

.article-title {
    font-size: 32px;
    margin: 20px 0;
    color: #111827;
    line-height: 1.3;
}

.article-featured-image {
    margin: 20px 0;
    border-radius: 8px;
    overflow: hidden;
}

.article-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-body {
    font-size: 16px;
    line-height: 1.8;
    color: #374151;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    color: #111827;
    margin-top: 30px;
    margin-bottom: 15px;
}

.article-body p {
    margin-bottom: 15px;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 20px 0;
}

.article-footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e5e7eb;
}

.article-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 12px;
    background: #e8ecf5;
    color: #3470ff;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
}

/* 页面头部 */
.page-header {
    margin: 30px 0;
    padding-bottom: 20px;
    border-bottom: 2px solid #e8ecf5;
}

.page-header h1 {
    font-size: 32px;
    color: #111827;
    margin: 0;
    font-weight: 600;
}

/* 内容页面样式 */
.content-page {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    margin: 30px 0;
    position: relative;
}

.content-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: #3470ff;
}

.content-section {
    max-width: 800px;
    margin: 0 auto;
}

.content-section h2 {
    font-size: 24px;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #333;
    padding-bottom: 10px;
    border-bottom: 2px solid #3470ff;
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-section p {
    margin-bottom: 15px;
    line-height: 1.8;
    color: #555;
}

.content-section ul {
    margin-bottom: 20px;
    padding-left: 30px;
}

.content-section li {
    margin-bottom: 10px;
    line-height: 1.8;
    color: #555;
}

.last-updated {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    color: #999;
    font-size: 14px;
}

/* 联系页面样式 */
.contact-page {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    margin: 30px 0;
    position: relative;
}

.contact-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: #3470ff;
}

.contact-info {
    max-width: 800px;
    margin: 0 auto;
}

.contact-section {
    margin-bottom: 40px;
}

.contact-section h2 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #333;
    padding-bottom: 10px;
    border-bottom: 2px solid #3470ff;
}

.contact-item {
    margin-bottom: 25px;
}

.contact-item h3 {
    font-size: 18px;
    margin-bottom: 8px;
    color: #3470ff;
}

.contact-item p {
    font-size: 16px;
    color: #555;
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header-top {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .logo {
        order: 1;
    }
    
    .main-nav {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }
    
    .header-actions {
        order: 2;
        margin-left: auto;
    }
    
    .main-nav ul {
        flex-wrap: wrap;
        gap: 15px;
        font-size: 14px;
    }
    
    .main-nav a {
        padding: 6px 10px;
    }
    
    .language-switcher {
        gap: 2px;
        padding: 3px;
    }
    
    .language-switcher .lang-btn {
        padding: 5px 10px;
        font-size: 12px;
        min-width: 35px;
    }
    
    .product-list-layout,
    .content-wrapper {
        grid-template-columns: 1fr;
    }
    
    .filter-sidebar,
    .sidebar {
        position: static;
    }
    
    .product-detail-main {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .content-page,
    .contact-page,
    .article-detail {
        padding: 20px;
    }
    
    .article-item {
        flex-direction: column;
    }
    
    .article-image {
        width: 100%;
        height: 200px;
    }
    
    .article-title {
        font-size: 24px;
    }
    
    .page-header h1 {
        font-size: 24px;
    }
}

/* 右侧漂浮联系组件样式 */
.floating-contact-widget {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 1000;
    font-family: inherit;
}

.floating-contact-trigger {
    width: 56px;
    height: 56px;
    background: #3470ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    color: white;
    position: relative;
    overflow: hidden;
}

.floating-contact-trigger::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.floating-contact-trigger:hover {
    transform: scale(1.15) rotate(5deg);
    border-color: #00d6b9;
}

.floating-contact-trigger:hover::before {
    width: 200%;
    height: 200%;
}

.floating-contact-content {
    position: absolute;
    right: 0;
    bottom: 70px;
    width: 280px;
    background: #ffffff;
    border-radius: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.floating-contact-widget:hover .floating-contact-content,
.floating-contact-widget.active .floating-contact-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.floating-contact-header {
    padding: 16px 20px;
    background: #3470ff;
    color: white;
}

.floating-contact-header h4 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.floating-contact-social {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-social-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
    background: #f9fafb;
}

.floating-social-link:hover {
    background: #f0f4ff;
    transform: translateX(4px);
}

.floating-social-link svg {
    flex-shrink: 0;
}

.floating-social-link.linkedin svg {
    color: #0077b5;
}

.floating-social-link.youtube svg {
    color: #ff0000;
}

.floating-social-link.facebook svg {
    color: #1877f2;
}

.floating-social-link.twitter svg {
    color: #1da1f2;
}

.floating-social-link.instagram svg {
    color: #e4405f;
}

.floating-contact-info {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.2s ease;
    background: #f9fafb;
}

.floating-contact-item:hover {
    background: #f0f4ff;
    transform: translateX(4px);
}

.floating-contact-item svg {
    flex-shrink: 0;
    color: #3470ff;
}

.floating-contact-item span {
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

.floating-contact-custom {
    padding: 16px;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
}

.floating-contact-custom a {
    color: #3470ff;
    text-decoration: none;
}

.floating-contact-custom a:hover {
    text-decoration: underline;
}

/* 优化浮动联系组件 */
.floating-contact-widget {
    position: fixed;
    right: 30px;
    bottom: 30px;
    z-index: 998;
}

.floating-contact-trigger {
    width: 60px;
    height: 60px;
    background: #3470ff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(52, 112, 255, 0.4);
    color: white;
}

.floating-contact-trigger:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(52, 112, 255, 0.6);
}

.floating-contact-trigger svg {
    width: 28px;
    height: 28px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .floating-contact-widget {
        right: 20px;
        bottom: 20px;
    }
    
    .floating-contact-trigger {
        width: 55px;
        height: 55px;
    }
    
    .floating-contact-trigger svg {
        width: 24px;
        height: 24px;
    }
    
    .floating-contact-content {
        width: 260px;
        bottom: 70px;
    }
    
    .back-to-top {
        bottom: 90px !important;
    }
}

@media (max-width: 480px) {
    .floating-contact-content {
        width: calc(100vw - 30px);
        right: 15px;
        left: 15px;
    }
}

/* 产品分类导航样式 */
.category-nav-card {
    position: relative;
}

.category-nav-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(52, 112, 255, 0.05);
    opacity: 0;
    transition: opacity 0.3s;
    border-radius: 12px;
}

.category-nav-card:hover::before {
    opacity: 1;
}

.category-nav-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(52, 112, 255, 0.15);
}

.category-nav-card:hover .category-icon {
    transform: scale(1.1) rotate(5deg);
}

.category-nav-card:hover h3 {
    color: #3470ff;
}

/* 公司优势卡片样式 */
.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(52, 112, 255, 0.2);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.15) rotate(5deg);
}

.advantage-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: #3470ff;
    opacity: 0;
    transition: opacity 0.3s;
}

.advantage-card:hover::after {
    opacity: 1;
}

/* 数据统计样式 */
.stat-item {
    position: relative;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
}

.stat-number {
    transition: transform 0.3s;
}

.stat-item:hover .stat-number {
    transform: scale(1.1);
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: #3470ff;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(52, 112, 255, 0.4);
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(52, 112, 255, 0.6);
}

.back-to-top.show {
    display: flex;
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .categories-nav-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 15px !important;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
    }
    
    .statistics-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 30px !important;
    }
    
    .stat-number {
        font-size: 36px !important;
    }
    
    .back-to-top {
        bottom: 80px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}

/* 服务流程样式 */
.process-steps {
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: #e8ecf5;
    z-index: 1;
}

.process-step {
    transition: transform 0.3s;
}

.process-step:hover {
    transform: translateY(-10px);
}

.process-step:hover .step-icon {
    border-color: #00d6b9;
    background: #f0f4ff;
}

.process-step:hover .step-number {
    background: #00d6b9;
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .process-steps {
        flex-direction: column;
        gap: 40px !important;
    }
    
    .process-steps::before {
        display: none;
    }
    
    .process-step {
        min-width: 100% !important;
    }
}

@media (max-width: 480px) {
    .categories-nav-grid {
        grid-template-columns: 1fr !important;
    }
    
    .statistics-grid {
        grid-template-columns: 1fr !important;
    }
    
    .stat-number {
        font-size: 32px !important;
    }
}

/* 认证证书模态框 */
#cert-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.9);
    cursor: pointer;
    animation: fadeIn 0.3s ease;
}

#cert-modal .cert-modal-content {
    max-width: 90%;
    max-height: 90vh;
    margin: auto;
    display: block;
    margin-top: 5%;
    border-radius: 8px;
    animation: zoomIn 0.3s ease;
}

#cert-modal h3 {
    color: #fff;
    margin-bottom: 20px;
    font-size: 24px;
    text-align: center;
}

#cert-modal .modal-close {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #fff;
    font-size: 48px;
    font-weight: bold;
    cursor: pointer;
    z-index: 2001;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.5);
    border-radius: 50%;
    transition: all 0.3s;
    line-height: 1;
}

#cert-modal .modal-close:hover {
    background: rgba(52, 112, 255, 0.8);
    transform: rotate(90deg);
    color: #3470ff !important;
}