:root {
    --primary-color: #f8f5f0;
    --secondary-color: #b32424;
    --accent-color: #8a1c1c;
    --light-color: #ffffff;
    --dark-color: #333333;
    --text-color: #333333;
    --text-light: #666666;
    --card-bg: rgba(255, 255, 255, 0.95);
    --transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --border-radius: 12px;
    --border-color: rgba(179, 36, 36, 0.1);
    --gold-color: #c9a959;
    --beige-color: #f5efe6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Serif SC', serif;
    background-color: var(--primary-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%23c9a959' fill-opacity='0.03' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.container {
    width: 100%;
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 40px;
}

.section-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

section {
    padding: 100px 0;
    position: relative;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark-color);
}

h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

h2:after {
    content: '';
    position: absolute;
    width: 100px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

p {
    margin-bottom: 20px;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--light-color);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    z-index: 1;
    font-size: 1rem;
    letter-spacing: 1px;
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.7s ease;
    z-index: -1;
}

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

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 25px rgba(179, 36, 36, 0.2);
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    z-index: -2;
    top: 0;
    left: 0;
}

header {
    padding: 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

header.scrolled {
    padding: 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--dark-color);
    text-decoration: none;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
}

.logo span {
    color: var(--secondary-color);
}

.logo i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 40px;
    position: relative;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 1.05rem;
    transition: var(--transition);
    padding: 5px 0;
}

.nav-links a:hover {
    color: var(--secondary-color);
}

.nav-links a:after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--secondary-color);
    bottom: 0;
    left: 0;
    transition: width 0.3s ease;
}

.nav-links a:hover:after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    background: none;
    border: none;
    color: var(--dark-color);
    cursor: pointer;
}

/* 双层导航栏调整 */
.main-nav-container {
    padding: 15px 0;
}

/* 二级导航容器 (High-Fidelity Optimization) */
.sub-nav-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 0;
    border-bottom: 1px solid rgba(179, 36, 36, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
    position: relative;
    z-index: 99;
    transition: var(--transition);
}

.sub-nav-links {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 70px;
    flex-wrap: nowrap; /* 强制不换行 */
}

/* 模块整体容器 */
.sub-nav-module {
    display: flex;
    align-items: center;
    gap: 0;
    padding: 0 15px;
    transition: var(--transition);
    flex-shrink: 0; /* 防止模块被压缩 */
    white-space: nowrap; /* 防止文字换行 */
}

/* 模块标题 (Auction Center / Collection Services) */
.module-header {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 8px;
    padding: 8px 12px; /* Added padding for active state background */
    border-radius: 30px; /* Rounded pill shape */
    transition: var(--transition);
    flex-shrink: 0; /* 防止被压缩 */
    white-space: nowrap; /* 防止文字换行 */
}

.module-header.active {
    background-color: rgba(179, 36, 36, 0.05); /* Subtle active background */
    border: 1px solid rgba(179, 36, 36, 0.1);
}

.module-header.active .title {
    color: var(--secondary-color);
}

.module-header.active .icon-box {
    box-shadow: 0 4px 12px rgba(179, 36, 36, 0.25);
    transform: scale(1.05);
}

.module-header .icon-box {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.9rem;
    box-shadow: 0 4px 10px rgba(179, 36, 36, 0.2);
    transition: var(--transition);
}

.module-header .title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark-color);
    letter-spacing: 0.3px;
    font-family: 'Playfair Display', serif; /* Enhance elegance */
    transition: var(--transition);
}

.module-header:hover .icon-box {
    transform: scale(1.05) rotate(-5deg);
    box-shadow: 0 6px 15px rgba(179, 36, 36, 0.3);
}

.module-header:hover .title {
    color: var(--secondary-color);
}

/* 链接组 */
.module-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.link-item {
    font-size: 0.95rem;
    color: var(--text-light);
    text-decoration: none;
    padding: 6px 0;
    position: relative;
    transition: all 0.3s ease;
    font-weight: 500;
}

.link-item:hover {
    color: var(--secondary-color);
    transform: translateY(-1px);
}

.link-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--secondary-color), var(--gold-color));
    transition: width 0.3s ease;
    border-radius: 2px;
}

.link-item:hover::after {
    width: 100%;
}

/* 分隔线 */
.nav-divider {
    width: 1px;
    height: 32px;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.1), transparent);
    margin: 0 8px;
    flex-shrink: 0; /* 防止分隔线被压缩 */
}

/* Mobile Responsiveness */
@media (max-width: 1100px) {
    .sub-nav-links {
        height: auto;
        flex-direction: column;
        padding: 20px 0;
        gap: 20px;
    }
    
    .sub-nav-module {
        flex-direction: column;
        gap: 15px;
        padding: 0;
        width: 100%;
    }
    
    .module-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 15px;
    }
    
    .nav-divider {
        width: 60%;
        height: 1px;
        background: linear-gradient(to right, transparent, rgba(0,0,0,0.1), transparent);
        margin: 10px 0;
    }
}

/* 大轮播图区域 */
.carousel-section {
    padding-top: 180px;
    margin-top: 0;
    position: relative;
    overflow: hidden;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 40px;
}

.carousel {
    position: relative;
    width: 100%;
    /* NOTE: 大轮播图图片最佳显示尺寸（页面最大可见容器，index.html 内联样式可能覆盖高度）: 1080x550
       NOTE: 推荐源图尺寸（更清晰，2x）: 2160x1100（接近 2:1；object-fit 可能裁切边缘） */
    height: 500px;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.carousel-inner {
    display: flex;
    width: 500%;
    height: 100%;
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.carousel-slide {
    width: 20%;
    height: 100%;
    position: relative;
    flex-shrink: 0;
    background-color: #f0f0f0;
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    /* NOTE: 轮播图图片填充方式；若使用 cover 会裁切，建议源图预留安全裁切区域 */
    object-fit: contain;
    object-position: center;
}

.carousel-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 50px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.7));
    color: white;
    transform: translateY(20px);
    opacity: 0;
    transition: all 0.6s ease 0.3s;
}

.carousel-slide.active .carousel-content {
    transform: translateY(0);
    opacity: 1;
}

.carousel-content h2 {
    color: white;
    font-size: 2.5rem;
    text-align: left;
    margin-bottom: 15px;
}

.carousel-content h2:after {
    left: 0;
    transform: none;
    background: linear-gradient(90deg, var(--secondary-color), transparent);
}

.carousel-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 25px;
}

.carousel-btn {
    display: inline-block;
    padding: 12px 30px;
    background-color: var(--secondary-color);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: 2px solid var(--secondary-color);
}

.carousel-btn:hover {
    background-color: transparent;
    color: var(--secondary-color);
    transform: translateY(-3px);
}

.carousel-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    z-index: 10;
    pointer-events: none;
}

.carousel-control {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.7);
    border: none;
    color: var(--dark-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: all;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    opacity: 0.7;
}

.carousel-control:hover {
    background-color: rgba(255, 255, 255, 0.95);
    color: var(--secondary-color);
    transform: scale(1.1);
    opacity: 1;
}

.carousel-indicators {
    position: absolute;
    bottom: 25px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    gap: 12px;
    z-index: 10;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: var(--transition);
}

.indicator.active {
    background-color: var(--secondary-color);
    transform: scale(1.3);
}

.highlight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.highlight-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-color);
    position: relative;
    box-shadow: var(--shadow);
}

.highlight-img-container {
    /* NOTE: 精品赏析图片最佳显示尺寸（单卡主图可见区域，index.html 内联样式可能覆盖高度）: 350x380（最小列宽约 350）
       NOTE: 推荐源图尺寸（含放大镜更清晰）: 2000x2000（或任意比例但长边 ≥ 2000px） */
    height: 280px;
    width: 100%;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f5f5f5;
}

.highlight-img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.7s ease;
}

.magnifier-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 2;
}

.magnifier {
    position: absolute;
    width: 150px;
    height: 150px;
    /* NOTE: 放大镜窗口尺寸；源图分辨率越高，放大后越不易发糊 */
    border-radius: 50%;
    border: 2px solid rgba(179, 36, 36, 0.7);
    background-color: rgba(255, 255, 255, 0.2);
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.5);
    transition: opacity 0.3s, transform 0.3s;
    overflow: hidden;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
    z-index: 3;
}

.magnifier img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.highlight-card:hover .magnifier {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
}

.highlight-content {
    padding: 25px;
}

.highlight-content h3 {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.highlight-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin: 15px 0;
}

.price-fluctuation {
    font-size: 0.9rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.price-fluctuation i {
    margin-right: 8px;
    color: var(--secondary-color);
}

.news-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 30px;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.tab-btn.active {
    color: var(--secondary-color);
}

.tab-btn:after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    background-color: var(--secondary-color);
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    transition: width 0.3s ease;
}

.tab-btn.active:after {
    width: 80%;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

.news-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    border: 1px solid var(--border-color);
    position: relative;
    box-shadow: var(--shadow);
}

.news-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}

.news-card:hover .news-date {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.news-img {
    height: 200px;
    width: 100%;
    overflow: hidden;
}

.news-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

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

.news-content {
    padding: 25px;
}

.news-date {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--text-color);
    padding: 8px 16px;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition);
    z-index: 2;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.news-content h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.about-section {
    background-color: var(--beige-color);
    border-radius: var(--border-radius);
    padding: 80px 0;
    margin-top: 50px;
    position: relative;
    overflow: hidden;
}

.about-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b32424' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.about-container {
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.about-info h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.about-content {
    margin-top: 30px;
}

.about-item {
    margin-bottom: 40px;
}

.about-item h4 {
    font-size: 1.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    position: relative;
    padding-left: 20px;
}

.about-item h4:before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--secondary-color);
    border-radius: 50%;
}

.expert-committee {
    margin-top: 80px;
    width: 100%;
}

.expert-committee h3 {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--dark-color);
}

.expert-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 30px;
}

.expert-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.expert-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}

.expert-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.expert-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 20px;
    border: 3px solid var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.expert-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.expert-basic-info {
    flex: 1;
}

.expert-number {
    display: inline-block;
    width: 30px;
    height: 30px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50%;
    text-align: center;
    line-height: 30px;
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.expert-name {
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 5px;
}

.expert-title {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
    line-height: 1.4;
}

.expert-details {
    margin-bottom: 20px;
    flex: 1;
}

.expert-details h5 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    margin-top: 15px;
}

.expert-details h5 i {
    margin-right: 10px;
    color: var(--secondary-color);
    font-size: 0.9rem;
}

.expert-details ul {
    padding-left: 20px;
    margin-bottom: 15px;
}

.expert-details li {
    margin-bottom: 8px;
    color: var(--text-light);
    position: relative;
    line-height: 1.5;
}

.expert-details li:before {
    content: '•';
    color: var(--secondary-color);
    font-weight: bold;
    position: absolute;
    left: -15px;
}

.expert-details p {
    color: var(--text-light);
    line-height: 1.6;
}

.expert-values {
    margin-top: 60px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.expert-values h4 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    text-align: center;
}

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

.value-item {
    text-align: center;
    padding: 20px;
}

.value-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(179, 36, 36, 0.1);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.value-item h5 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.expert-activities {
    margin-top: 60px;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.expert-activities h4 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 30px;
    text-align: center;
}

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

.activity-item {
    text-align: center;
    padding: 20px;
}

.activity-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(179, 36, 36, 0.1);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 20px;
}

.activity-item h5 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
}

.service-icon {
    font-size: 3.5rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
    display: inline-block;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: scale(1.2) rotate(10deg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-step {
    position: absolute;
    top: 20px;
    left: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--secondary-color);
    color: var(--light-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.contact-section {
    background-color: var(--beige-color);
    border-radius: var(--border-radius);
    padding: 80px 0;
    margin-top: 50px;
    position: relative;
    overflow: hidden;
}

.contact-section:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b32424' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    z-index: 0;
}

.contact-container {
    position: relative;
    z-index: 1;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.contact-details {
    margin-top: 30px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 25px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: var(--secondary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.contact-text h4 {
    margin-bottom: 5px;
    font-size: 1.2rem;
}

.qr-code {
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
}

.qr-code h3 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 25px;
}

.qr-code img {
    max-width: 200px;
    height: auto;
    margin-bottom: 20px;
    border-radius: 10px;
}

.qr-code p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.floating-consult-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 999;
    box-shadow: 0 10px 25px rgba(179, 36, 36, 0.3);
    transition: var(--transition);
}

.floating-consult-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 30px rgba(179, 36, 36, 0.4);
}

.floating-consult-btn span {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 25px;
    height: 25px;
    background-color: #ff5252;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--dark-color);
    color: var(--light-color);
    padding: 30px 20px;
    z-index: 9999;
    box-shadow: 0 -5px 20px rgba(0, 0, 0, 0.2);
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
}

.cookie-text {
    flex: 1;
}

.cookie-text h3 {
    color: var(--light-color);
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.cookie-text p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
    margin-bottom: 15px;
}

.cookie-link {
    color: var(--secondary-color);
    text-decoration: underline;
    font-size: 0.9rem;
}

.cookie-link:hover {
    color: var(--gold-color);
}

.cookie-buttons {
    display: flex;
    gap: 15px;
    flex-shrink: 0;
}

.cookie-btn {
    padding: 12px 24px;
    font-size: 0.9rem;
    border-radius: 8px;
}

.cookie-btn-secondary {
    background-color: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--light-color);
}

.cookie-btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--light-color);
}

.cookie-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--light-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.cookie-close:hover {
    color: var(--secondary-color);
    transform: rotate(90deg);
}

footer {
    background-color: var(--beige-color);
    padding: 80px 0 30px;
    margin-top: 100px;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.footer-logo span {
    color: var(--secondary-color);
}

.footer-links h4 {
    font-size: 1.3rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h4:after {
    content: '';
    position: absolute;
    width: 50px;
    height: 2px;
    background-color: var(--secondary-color);
    bottom: 0;
    left: 0;
}

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

.footer-links li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

.footer-links i {
    margin-right: 10px;
    color: var(--secondary-color);
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--secondary-color);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 25px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    color: var(--text-color);
    font-size: 1.2rem;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.social-links a:hover {
    background-color: var(--secondary-color);
    color: var(--light-color);
    transform: translateY(-5px);
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    color: var(--text-light);
    font-size: 0.9rem;
}

.decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    opacity: 0.03;
}

@media (max-width: 1200px) {
    .carousel {
        height: 450px;
    }
    
    .carousel-content h2 {
        font-size: 2.2rem;
    }
}

@media (max-width: 992px) {
    h2 { font-size: 2.4rem; }
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .carousel { height: 400px; }
    .carousel-content { padding: 40px; }
    .carousel-content h2 { font-size: 2rem; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .expert-grid { grid-template-columns: 1fr; }
    .values-grid, .activities-grid { grid-template-columns: repeat(2, 1fr); }
    
    .mobile-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--light-color);
        z-index: 1001;
        transition: right 0.5s ease;
        padding: 100px 30px 30px;
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    }
    
    .mobile-nav.active {
        right: 0;
    }
    
    .mobile-nav .nav-links {
        display: flex;
        flex-direction: column;
        list-style: none;
    }
    
    .mobile-nav .nav-links li {
        margin: 0 0 20px 0;
    }
    
    .mobile-nav .nav-links a {
        font-size: 1.2rem;
    }
    
    .mobile-close {
        position: absolute;
        top: 30px;
        right: 30px;
        font-size: 1.5rem;
        background: none;
        border: none;
        color: var(--dark-color);
        cursor: pointer;
    }
}

@media (max-width: 768px) {
    section { padding: 70px 0; }
    h2 { font-size: 2rem; }
    .container,
    .section-container,
    .carousel-wrapper { padding: 0 20px; }
    .carousel { height: 350px; }
    .carousel-content { padding: 30px; }
    .carousel-content h2 { font-size: 1.8rem; }
    .carousel-content p { font-size: 1rem; }
    .carousel-control { width: 40px; height: 40px; font-size: 1rem; }
    .carousel-controls { padding: 0 15px; }
    .floating-consult-btn {
        width: 60px;
        height: 60px;
        font-size: 1.3rem;
        bottom: 20px;
        right: 20px;
    }
    .values-grid, .activities-grid { grid-template-columns: 1fr; }
    
    .expert-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .expert-avatar {
        margin-right: 0;
        margin-bottom: 15px;
        width: 120px;
        height: 120px;
    }
    
    /* 响应式导航调整 */
    .sub-nav-links {
        gap: 20px;
        flex-direction: column;
        align-items: flex-start;
    }
    .sub-nav-item {
        padding: 6px 15px;
        font-size: 0.95rem;
    }
    .sub-nav-dropdown-container {
        flex-wrap: wrap;
        width: 100%;
    }
    .sub-nav-dropdown-container:not(:last-child):after {
        display: none; /* 移动端隐藏分隔线 */
    }
}

@media (max-width: 480px) {
    .section-container { padding: 0 15px; }
    h2 { font-size: 1.8rem; }
    .carousel { height: 300px; }
    .carousel-content { padding: 20px; }
    .carousel-content h2 { font-size: 1.6rem; }
    .tab-btn { padding: 12px 20px; font-size: 1rem; }
    .carousel-wrapper { padding: 0 15px; }
    .expert-card { padding: 20px; }
    
    .expert-avatar {
        width: 100px;
        height: 100px;
    }
}

/* 页面标题区域样式 */
.page-header {
    padding: 100px 0 40px;
    background-color: var(--primary-color);
    text-align: center;
}

.page-header h1 {
    font-size: 2.2rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.page-header p {
    font-size: 1.05rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto;
}

/* 日历控制区域样式 */
.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.calendar-search {
    position: relative;
    flex: 1;
    min-width: 280px;
    max-width: 500px;
    display: flex;
    align-items: center;
}

.calendar-search i.fa-search {
    position: absolute;
    left: 18px;
    color: var(--text-light);
    pointer-events: none;
    z-index: 1;
}

.calendar-search input[type="search"] {
    width: 100%;
    padding: 14px 45px 14px 50px;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    font-size: 1rem;
    font-family: 'Noto Serif SC', serif;
    background-color: var(--light-color);
    color: var(--text-color);
    transition: var(--transition);
}

.calendar-search input[type="search"]:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.1);
}

.calendar-search-clear {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.calendar-search-clear:hover {
    color: var(--secondary-color);
}

.view-switcher {
    display: flex;
    gap: 10px;
}

.view-btn {
    padding: 10px 20px;
    background-color: var(--light-color);
    border: 2px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-family: 'Noto Serif SC', serif;
    font-size: 0.95rem;
    font-weight: 500;
}

.view-btn:hover {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.view-btn.active {
    background-color: var(--secondary-color);
    color: var(--light-color);
    border-color: var(--secondary-color);
}

.date-nav {
    display: flex;
    align-items: center;
    gap: 15px;
}

.date-nav .nav-btn {
    padding: 10px 15px;
    background-color: var(--light-color);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
}

.date-nav .nav-btn:hover {
    background-color: var(--secondary-color);
    color: var(--light-color);
    border-color: var(--secondary-color);
}

.current-date {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark-color);
    min-width: 120px;
    text-align: center;
}

/* 品类导航样式 */
.category-nav {
    background-color: var(--light-color);
    padding: 30px 0;
    border-bottom: 1px solid var(--border-color);
}

.category-container {
    display: flex;
    justify-content: flex-start; /* 改为靠左对齐 */
    flex-wrap: wrap;
    gap: 20px;
}

.category-item {
    padding: 10px 25px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    font-weight: 500;
}

.category-item:hover,
.category-item.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* 拍卖筛选区域样式 */
/* 拍卖页面两列布局 */
.auction-two-column-layout {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 60px 20px;
    max-width: 1400px;
    margin: 0 auto;
}

/* 筛选侧边栏 */
.filter-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.auction-top-filters .filter-container {
    padding: 18px 20px;
}

.auction-filter-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 14px;
}

.auction-filter-title {
    font-weight: 700;
    color: var(--dark-color);
    font-size: 1.05rem;
    line-height: 1.2;
}

.auction-top-filters .filter-groups-top {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px 16px;
    align-items: end;
}

.auction-top-filters .filter-group {
    gap: 8px;
}

.auction-top-filters .filter-actions {
    margin-top: 0;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.auction-top-filters .filter-label {
    font-size: 0.88rem;
    color: var(--text-light);
    font-weight: 700;
}

.auction-top-filters .filter-select,
.auction-top-filters .filter-input,
.auction-top-filters .filter-date-input {
    height: 40px;
    padding: 10px 12px;
    border-radius: 10px;
}

.auction-top-filters .filter-options {
    gap: 8px;
}

.auction-top-filters .filter-options .filter-btn {
    height: 38px;
    padding: 0 14px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.auction-top-filters .filter-reset-btn {
    width: auto;
    padding: 10px 16px;
    white-space: nowrap;
}

.auction-top-filters .filter-date-group {
    display: grid;
    grid-template-columns: 1fr 32px 1fr;
    align-items: center;
    gap: 0;
}

.auction-top-filters .date-separator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    margin: 0;
}

@media (max-width: 1100px) {
    .auction-top-filters .filter-groups-top {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .auction-filter-bar {
        align-items: flex-start;
    }

    .auction-top-filters .filter-groups-top {
        grid-template-columns: 1fr;
    }
}

.auction-filter-section {
    background-color: var(--light-color);
    padding: 40px 0;
    border-bottom: 1px solid var(--border-color);
    display: none; /* 隐藏旧的筛选区域 */
}

.filter-container {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.filter-header h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gold-color);
}

.filter-groups {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.filter-label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.filter-options {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    flex: 1;
}

/* 垂直筛选按钮 */
.filter-options-vertical {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.filter-options-vertical .filter-btn {
    width: 100%;
    text-align: left;
    padding: 10px 15px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-options-vertical .filter-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.filter-options-vertical .filter-btn:hover {
    border-color: var(--secondary-color);
    transform: translateX(3px);
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--dark-color);
}

.filter-btn:hover {
    background-color: var(--beige-color);
    border-color: var(--secondary-color);
}

.filter-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* 筛选下拉框 */
.filter-select {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    color: var(--text-color);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-select:hover,
.filter-select:focus {
    border-color: var(--secondary-color);
    outline: none;
}

.filter-input-group {
    display: flex;
    gap: 10px;
    flex: 1;
    max-width: 400px;
}

.filter-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.filter-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.1);
}

.filter-search-btn {
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-search-btn:hover {
    background-color: var(--accent-color);
}

.filter-date-group {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    max-width: 400px;
}

.filter-date-input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.filter-date-input:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.1);
}

.date-separator {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 5px 0;
}

.filter-actions {
    margin-top: 10px;
}

.filter-reset-btn {
    width: 100%;
    padding: 12px 20px;
    background-color: var(--beige-color);
    color: var(--dark-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.filter-reset-btn:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

@media (max-width: 768px) {
    .filter-group {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-label {
        min-width: auto;
    }

    .filter-options {
        width: 100%;
    }

    .filter-input-group,
    .filter-date-group {
        max-width: 100%;
        width: 100%;
    }

    .auction-grid {
        grid-template-columns: 1fr;
    }

    .auction-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .sort-options {
        width: 100%;
    }

    .sort-options select {
        width: 100%;
    }
}

/* 平板：减小侧边栏宽度 */
@media (max-width: 1200px) {
    .auction-two-column-layout {
        padding: 50px 18px;
        gap: 20px;
    }
}

/* 移动端：侧边栏堆叠在顶部 */
@media (max-width: 968px) {
    .auction-two-column-layout {
        gap: 30px;
        padding: 40px 15px;
    }

    .filter-sidebar {
        position: static;
    }

    .filter-container {
        padding: 20px;
    }

    .filter-header h3 {
        font-size: 1.1rem;
    }

}

/* 拍卖列表区域样式 */
.auction-list-section {
    padding: 0;
    background-color: transparent;
}

.auction-list-container {
    min-height: 600px;
}

.auction-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.auction-header h2 {
    margin: 0;
    font-size: 2rem;
    color: var(--dark-color);
}

.sort-options {
    display: flex;
    gap: 15px;
    align-items: center;
}

.sort-options label {
    font-weight: 600;
    color: var(--dark-color);
}

.sort-options select {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--light-color);
    font-size: 0.9rem;
}

.auction-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

@media (max-width: 768px) {
    .auction-grid {
        grid-template-columns: 1fr;
    }
}

/* 拍卖卡片样式 */
.auction-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
}

.auction-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.auction-img {
    height: 250px;
    overflow: hidden;
}

.auction-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.auction-content {
    padding: 25px;
}

.auction-meta {
    display: flex;
    gap: 20px;
    margin: 15px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.auction-price {
    margin: 15px 0;
}

.current-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.bid-count {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

.auction-card .btn {
    margin-top: 20px;
    width: 100%;
    text-align: center;
}

.auction-event-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.auction-event-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.auction-event-img {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.auction-event-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.auction-event-card:hover .auction-event-img img {
    transform: scale(1.08);
}

.event-status-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.18);
}

.event-status-badge.live {
    background-color: var(--secondary-color);
    color: #fff;
}

.event-status-badge.preview {
    background-color: var(--gold-color);
    color: var(--dark-color);
}

.auction-event-content {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.auction-event-content h3 {
    margin: 0;
    font-size: 1.15rem;
    line-height: 1.4;
    color: var(--dark-color);
}

.event-info-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 14px;
    margin-top: 14px;
}

.event-info-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.event-info-item i {
    width: 16px;
    text-align: center;
    color: var(--secondary-color);
    margin-top: 2px;
    flex: 0 0 auto;
}

.info-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.info-label {
    font-size: 0.82rem;
    color: var(--text-light);
}

.info-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--dark-color);
}

.auction-event-content .btn {
    margin-top: 18px;
    width: 100%;
    text-align: center;
}

@media (max-width: 480px) {
    .event-info-grid {
        grid-template-columns: 1fr;
    }
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 60px;
}

.page-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
}

.page-btn:hover,
.page-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 公共功能区域样式 */
.public-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

.activity-announcement {
    margin-bottom: 60px;
}

.announcement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.announcement-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.announcement-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.announcement-img {
    height: 200px;
    overflow: hidden;
}

.announcement-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.announcement-content {
    padding: 25px;
}

.announcement-meta {
    display: flex;
    gap: 20px;
    margin: 15px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

/* 直播区域样式 */
.live-section {
    margin-top: 60px;
}

.live-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-top: 30px;
}

.live-item {
    display: flex;
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.live-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.live-thumbnail {
    width: 200px;
    height: 150px;
    position: relative;
    overflow: hidden;
}

.live-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.live-status {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.live-info {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.live-meta {
    display: flex;
    gap: 20px;
    margin: 10px 0;
    font-size: 0.9rem;
    color: var(--text-light);
}

.live-info .btn {
    margin-top: auto;
    align-self: flex-start;
}

/* 日历样式 */
.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 30px 0;
    gap: 16px;
    flex-wrap: wrap;
}

.view-switcher {
    display: flex;
    gap: 10px;
}

.view-btn {
    padding: 10px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
}

.view-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.date-nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.calendar-search {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    box-shadow: var(--shadow);
}

.calendar-search input {
    border: none;
    outline: none;
    background: transparent;
    min-width: 240px;
    font-size: 0.95rem;
}

.calendar-search-clear {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.calendar-search-clear:hover {
    background: var(--secondary-color);
    color: #fff;
    border-color: var(--secondary-color);
}

.calendar-search-clear:focus-visible {
    outline: 3px solid rgba(179, 36, 36, 0.35);
    outline-offset: 2px;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.nav-btn:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.calendar-grid {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    margin-bottom: 10px;
}

.weekday {
    text-align: center;
    padding: 10px;
    font-weight: 600;
    color: var(--text-light);
}

.calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
}

.calendar-day {
    min-height: 100px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
    text-align: left;
    background: transparent;
}

.calendar-day:hover {
    background-color: var(--beige-color);
}

.calendar-day:focus-visible {
    outline: 3px solid rgba(179, 36, 36, 0.35);
    outline-offset: 2px;
}

.calendar-day.other-month {
    opacity: 0.55;
}

.calendar-day.today {
    border-color: rgba(179, 36, 36, 0.55);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.08) inset;
}

.calendar-day.selected {
    border-color: var(--secondary-color);
    background-color: rgba(179, 36, 36, 0.08);
}

.calendar-day.has-event {
    background-color: rgba(179, 36, 36, 0.05);
    border-color: var(--secondary-color);
}

.day-number {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.calendar-event-pill {
    background-color: var(--secondary-color);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    margin-bottom: 5px;
    font-size: 0.8rem;
    width: 100%;
    border: none;
    text-align: left;
    cursor: pointer;
}

.event-time {
    font-size: 0.7rem;
    opacity: 0.8;
    margin-top: 2px;
}

.calendar-more-events {
    font-size: 0.8rem;
    color: var(--text-light);
    padding: 4px 2px;
}

.day-view {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

.day-view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 18px;
}

.day-view-title {
    font-size: 1.2rem;
    margin: 0;
}

.day-view-nav {
    display: flex;
    align-items: center;
    gap: 10px;
}

.day-view-events {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.day-view-event {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    transition: var(--transition);
}

.day-view-event:hover {
    border-color: rgba(179, 36, 36, 0.25);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

.day-view-event-time {
    min-width: 74px;
    text-align: center;
    color: var(--secondary-color);
    font-weight: 700;
    padding: 8px 10px;
    border-radius: 12px;
    background: rgba(179, 36, 36, 0.06);
    border: 1px solid rgba(179, 36, 36, 0.16);
}

.day-view-event-main {
    flex: 1;
}

.day-view-event-main h4 {
    margin-bottom: 8px;
}

.day-view-event-main p {
    color: var(--text-light);
    margin-bottom: 12px;
}

.day-view-empty {
    padding: 24px;
    text-align: center;
    color: var(--text-light);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.35);
}

.event-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.event-modal[hidden] {
    display: none;
}

.event-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
}

.event-modal-dialog {
    position: relative;
    width: min(760px, 100%);
    background: var(--card-bg);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(12px);
    overflow: hidden;
}

.event-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.6);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.event-modal-close:hover {
    background: var(--secondary-color);
    color: #fff;
    border-color: var(--secondary-color);
}

.event-modal-close:focus-visible {
    outline: 3px solid rgba(179, 36, 36, 0.35);
    outline-offset: 2px;
}

.event-modal-content {
    padding: 28px 26px 24px;
}

.event-modal-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 12px 0 16px;
    color: var(--text-light);
    font-size: 0.95rem;
}

.event-modal-description {
    color: var(--text-light);
    margin-bottom: 18px;
}

.event-modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.event-list {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.event-list-container {
    display: flex;
    flex-direction: column;
}

.event-list-empty {
    padding: 18px;
    text-align: center;
    color: var(--text-light);
    border: 1px dashed var(--border-color);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.35);
}

.event-list-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    align-items: flex-start;
}

.event-list-item:last-child {
    border-bottom: none;
}

.event-list-item.selected {
    background: rgba(179, 36, 36, 0.06);
}

.event-date {
    min-width: 88px;
    font-weight: 600;
    color: var(--secondary-color);
    text-align: center;
    border-radius: 12px;
    padding: 10px 8px;
    background: rgba(179, 36, 36, 0.06);
    border: 1px solid rgba(179, 36, 36, 0.16);
}

.event-date-day {
    font-size: 1.6rem;
    line-height: 1.1;
}

.event-date-month {
    font-size: 0.85rem;
    opacity: 0.85;
}

.event-info {
    flex: 1;
}

.event-info h4 {
    margin-bottom: 8px;
}

.event-info p {
    color: var(--text-light);
    margin-bottom: 12px;
}

.event-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.event-list-item .btn {
    align-self: center;
    margin-left: auto;
}

@media (max-width: 768px) {
    .calendar-grid {
        padding: 18px;
    }

    .calendar-weekdays,
    .calendar-days {
        gap: 6px;
    }

    .calendar-day {
        min-height: 84px;
        padding: 8px;
    }

    .calendar-search {
        width: 100%;
        justify-content: space-between;
    }

    .calendar-search input {
        min-width: 0;
        width: 100%;
    }

    .day-view {
        padding: 18px;
    }

    .event-list {
        padding: 18px;
    }

    .event-list-item {
        flex-direction: column;
        align-items: stretch;
    }

    .event-list-item .btn {
        align-self: flex-start;
        margin-left: 0;
    }
}

/* 模块特定样式 */
.module-section {
    padding: 80px 0;
}

.module-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.module-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    backdrop-filter: blur(10px); /* Glass effect */
}

.module-card:hover {
    transform: translateY(-10px);
    border-color: rgba(179, 36, 36, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
}

.module-icon {
    width: 80px;
    height: 80px;
    background-color: rgba(179, 36, 36, 0.05);
    color: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin-bottom: 30px;
    transition: var(--transition);
}

.module-card:hover .module-icon {
    background-color: var(--secondary-color);
    color: white;
    transform: scale(1.1);
}

.module-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.module-card p {
    color: var(--text-light);
    margin-bottom: 30px;
    flex-grow: 1;
}

.coming-soon {
    display: inline-block;
    padding: 8px 16px;
    background-color: #f0f0f0;
    color: #999;
    border-radius: 20px;
    font-size: 0.9rem;
}

.trade-section {
    padding: 0 0 100px;
}

.trade-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding: 14px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.trade-tab-btn {
    appearance: none;
    border: 1px solid rgba(179, 36, 36, 0.2);
    background: rgba(179, 36, 36, 0.04);
    color: var(--text-color);
    border-radius: 50px;
    padding: 12px 18px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.trade-tab-btn:hover {
    transform: translateY(-3px);
    border-color: rgba(179, 36, 36, 0.35);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.trade-tab-btn:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(179, 36, 36, 0.15);
}

.trade-tab-btn.active,
.trade-tab-btn[aria-selected="true"] {
    border-color: rgba(179, 36, 36, 0.55);
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
}

.trade-panel {
    padding: 70px 0 0;
}

.trade-panel[hidden] {
    display: none !important;
}

.trade-panel-header {
    text-align: center;
    margin-bottom: 40px;
}

.trade-panel-header p {
    max-width: 900px;
    margin: 0 auto;
    color: var(--text-light);
}

.trade-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 40px;
    align-items: start;
}

.trade-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 35px;
    backdrop-filter: blur(10px);
}

.trade-card-title {
    font-size: 1.35rem;
    margin-bottom: 18px;
}

.trade-muted {
    color: var(--text-light);
    font-size: 0.98rem;
}

.trade-divider {
    height: 1px;
    background: rgba(179, 36, 36, 0.12);
    margin: 28px 0;
}

.trade-form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 22px;
}

.trade-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.trade-field-full {
    grid-column: 1 / -1;
}

.trade-field label {
    font-weight: 600;
    color: var(--text-color);
}

.trade-required {
    color: var(--secondary-color);
    margin-left: 6px;
}

.trade-field input,
.trade-field select,
.trade-field textarea {
    width: 100%;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(179, 36, 36, 0.18);
    background: rgba(255, 255, 255, 0.92);
    color: var(--text-color);
    transition: var(--transition);
}

.trade-field textarea {
    resize: vertical;
    min-height: 120px;
}

.trade-field input:focus,
.trade-field select:focus,
.trade-field textarea:focus {
    outline: none;
    border-color: rgba(179, 36, 36, 0.55);
    box-shadow: 0 0 0 4px rgba(179, 36, 36, 0.12);
}

.trade-field-help {
    color: var(--text-light);
    font-size: 0.9rem;
}

.trade-field-error {
    color: var(--secondary-color);
    font-size: 0.92rem;
    min-height: 1.2em;
}

.trade-inline-label {
    font-weight: 600;
    color: var(--text-color);
    white-space: nowrap;
}

.trade-inline-row {
    display: flex;
    gap: 12px;
    align-items: center;
}

.trade-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.trade-btn-secondary {
    background: transparent !important;
    color: var(--secondary-color) !important;
    border: 2px solid rgba(179, 36, 36, 0.45) !important;
    box-shadow: none !important;
}

.trade-btn-secondary:before {
    display: none !important;
}

.trade-btn-secondary:hover {
    background: rgba(179, 36, 36, 0.08) !important;
    transform: translateY(-3px);
}

.trade-link-btn {
    appearance: none;
    background: transparent;
    border: none;
    color: var(--secondary-color);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.trade-link-btn:hover {
    color: var(--accent-color);
}

.trade-checkbox {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
}

.trade-checkbox input {
    width: 18px;
    height: 18px;
}

.trade-status {
    margin-top: 16px;
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(179, 36, 36, 0.18);
    background: rgba(179, 36, 36, 0.04);
    color: var(--text-color);
    min-height: 54px;
    display: flex;
    align-items: center;
}

.trade-list {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

.trade-item {
    padding: 16px;
    border-radius: 14px;
    border: 1px solid rgba(179, 36, 36, 0.16);
    background: rgba(255, 255, 255, 0.92);
    transition: var(--transition);
}

.trade-item:hover {
    transform: translateY(-4px);
    border-color: rgba(179, 36, 36, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.trade-item-title {
    font-weight: 700;
    margin-bottom: 8px;
}

.trade-item-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    color: var(--text-light);
    font-size: 0.92rem;
}

.trade-badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(179, 36, 36, 0.08);
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 0.9rem;
}

.trade-upload-grid {
    margin-top: 14px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
}

.trade-upload-item {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid rgba(179, 36, 36, 0.16);
    background: rgba(255, 255, 255, 0.92);
    aspect-ratio: 1 / 1;
    cursor: grab;
}

.trade-upload-item img,
.trade-upload-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.trade-upload-actions {
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    pointer-events: none;
}

.trade-upload-handle,
.trade-upload-remove {
    width: 32px;
    height: 32px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.6);
    background: rgba(0, 0, 0, 0.35);
    color: white;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
    cursor: pointer;
    transition: var(--transition);
}

.trade-upload-handle:hover,
.trade-upload-remove:hover {
    background: rgba(179, 36, 36, 0.75);
}

.trade-upload-item.dragging {
    opacity: 0.6;
    transform: scale(0.98);
}

.trade-video-preview video {
    width: 100%;
    max-height: 280px;
    border-radius: 14px;
    border: 1px solid rgba(179, 36, 36, 0.16);
}

.live-grid {
    display: grid;
    grid-template-columns: 1.7fr 1fr;
    gap: 40px;
    align-items: start;
}

.live-video-header {
    display: flex;
    gap: 18px;
    align-items: end;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.live-stream-config {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.live-stream-config input {
    min-width: min(560px, 100%);
}

.live-video-wrapper {
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid rgba(179, 36, 36, 0.16);
    background: rgba(0, 0, 0, 0.05);
}

.live-video {
    width: 100%;
    height: 420px;
    display: block;
    background: #000;
}

.live-lot {
    margin-top: 18px;
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 18px;
    border-radius: 14px;
    border: 1px solid rgba(179, 36, 36, 0.16);
    background: rgba(255, 255, 255, 0.92);
}

.live-lot h3 {
    margin-bottom: 8px;
    font-size: 1.2rem;
}

.live-lot-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.live-lot-price {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    align-items: center;
}

.live-price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--secondary-color);
}

.live-inc {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-color);
}

.live-side-section {
    display: grid;
    gap: 14px;
}

.live-bid-row {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
}

.live-bid-quick {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.live-bid-list {
    max-height: 210px;
    overflow: auto;
    padding-right: 6px;
}

.live-chat {
    border: 1px solid rgba(179, 36, 36, 0.16);
    background: rgba(255, 255, 255, 0.92);
    border-radius: 14px;
    height: 240px;
    overflow: auto;
    padding: 14px;
}

.live-chat-msg {
    display: grid;
    gap: 6px;
    padding: 10px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.live-chat-msg:last-child {
    border-bottom: none;
}

.live-chat-meta {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
    font-size: 0.92rem;
    color: var(--text-light);
}

.live-chat-input {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 12px;
    align-items: center;
}

.live-host-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.trade-subtabs {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.trade-subtab-btn {
    appearance: none;
    border: 1px solid rgba(179, 36, 36, 0.22);
    background: rgba(179, 36, 36, 0.04);
    color: var(--text-color);
    border-radius: 50px;
    padding: 10px 14px;
    font-weight: 700;
    transition: var(--transition);
    cursor: pointer;
}

.trade-subtab-btn.active,
.trade-subtab-btn[aria-selected="true"] {
    background: rgba(179, 36, 36, 0.1);
    border-color: rgba(179, 36, 36, 0.45);
    color: var(--secondary-color);
}

.trade-subpanel[hidden] {
    display: none !important;
}

.event-stepper {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 18px;
}

.event-step {
    appearance: none;
    border: 1px solid rgba(179, 36, 36, 0.18);
    background: rgba(179, 36, 36, 0.03);
    color: var(--text-color);
    border-radius: 14px;
    padding: 12px 10px;
    font-weight: 800;
    cursor: pointer;
    transition: var(--transition);
}

.event-step.active,
.event-step[aria-selected="true"] {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    border-color: rgba(179, 36, 36, 0.55);
}

.event-panel[hidden] {
    display: none !important;
}

.event-lots-toolbar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.trade-table {
    border-radius: 14px;
    border: 1px solid rgba(179, 36, 36, 0.16);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.92);
}

.trade-table-row {
    display: grid;
    grid-template-columns: 42px 1.4fr 0.8fr 0.8fr 140px;
    gap: 10px;
    align-items: center;
    padding: 14px 14px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.04);
}

.trade-table-row:last-child {
    border-bottom: none;
}

.trade-table-head {
    background: rgba(179, 36, 36, 0.06);
    font-weight: 800;
    color: var(--text-color);
}

.trade-table-cell {
    min-width: 0;
}

.trade-table-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.trade-table-handle {
    width: 32px;
    height: 32px;
    border-radius: 12px;
    border: 1px solid rgba(179, 36, 36, 0.18);
    background: rgba(179, 36, 36, 0.04);
    color: var(--secondary-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
}

.event-wizard-actions {
    display: flex;
    gap: 14px;
    justify-content: flex-end;
    margin-top: 18px;
    flex-wrap: wrap;
}

.event-preview {
    border-radius: 14px;
    border: 1px solid rgba(179, 36, 36, 0.16);
    background: rgba(255, 255, 255, 0.92);
    padding: 18px;
    display: grid;
    gap: 10px;
    margin-bottom: 16px;
}

.fh-dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 2000;
}

.fh-dialog {
    width: min(760px, 100%);
    border-radius: var(--border-radius);
    background: var(--card-bg);
    border: 1px solid rgba(179, 36, 36, 0.2);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.22);
    backdrop-filter: blur(12px);
    overflow: hidden;
}

.fh-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(179, 36, 36, 0.12);
}

.fh-dialog-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.fh-dialog-close {
    appearance: none;
    border: 1px solid rgba(179, 36, 36, 0.18);
    background: rgba(179, 36, 36, 0.04);
    color: var(--secondary-color);
    border-radius: 12px;
    width: 40px;
    height: 40px;
    cursor: pointer;
    transition: var(--transition);
}

.fh-dialog-close:hover {
    background: rgba(179, 36, 36, 0.12);
    transform: translateY(-2px);
}

.fh-dialog-body {
    padding: 18px 20px;
    color: var(--text-color);
    max-height: min(70vh, 560px);
    overflow: auto;
}

.fh-dialog-actions {
    padding: 18px 20px;
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    flex-wrap: wrap;
    border-top: 1px solid rgba(179, 36, 36, 0.12);
}

.toast-container {
    position: fixed;
    right: 20px;
    bottom: 120px;
    display: grid;
    gap: 12px;
    z-index: 2100;
    width: min(360px, calc(100vw - 40px));
}

.toast {
    border-radius: 14px;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(179, 36, 36, 0.16);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
    animation: toastIn 220ms ease;
    display: grid;
    gap: 8px;
}

.toast-title {
    font-weight: 800;
    color: var(--text-color);
}

.toast-desc {
    color: var(--text-light);
}

.toast-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

@keyframes toastIn {
    from { transform: translateY(6px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.trade-skeleton {
    border-radius: 14px;
    border: 1px solid rgba(179, 36, 36, 0.12);
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.72));
    background-size: 200% 100%;
    animation: skeletonMove 1.2s ease-in-out infinite;
    height: 90px;
}

@keyframes skeletonMove {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

@media (max-width: 1199px) {
    .trade-grid { grid-template-columns: 1fr; }
    .live-grid { grid-template-columns: 1fr; }
    .live-video { height: 360px; }
    .event-stepper { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .trade-table-row { grid-template-columns: 42px 1.2fr 0.8fr 0.8fr 140px; }
}

@media (max-width: 768px) {
    .trade-panel { padding-top: 55px; }
    .trade-card { padding: 22px; }
    .trade-form-grid { grid-template-columns: 1fr; }
    .trade-field-full { grid-column: auto; }
    .live-video { height: 280px; }
    .live-bid-row { grid-template-columns: 1fr; }
    .trade-table-row { grid-template-columns: 42px 1fr; }
    .trade-table-actions { justify-content: flex-start; }
}

/* 委托拍卖页面样式 */

/* 流程展示区域 */
.process-section {
    padding: 60px 0;
    background-color: var(--light-color);
}

.process-container {
    max-width: 1000px;
    margin: 0 auto;
}

.process-header {
    text-align: center;
    margin-bottom: 60px;
}

.process-header h2 {
    margin: 0;
    font-size: 2.2rem;
}

.process-steps {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

.process-steps:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--border-color);
    transform: translateY(-50%);
    z-index: 0;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
    position: relative;
    box-shadow: 0 5px 15px rgba(179, 36, 36, 0.2);
}

.step-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.step-description {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* 表单区域 */
.form-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

.form-container {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--shadow);
}

.form-header {
    margin-bottom: 40px;
}

.form-header h2 {
    margin: 0;
    font-size: 2rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-weight: 600;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--light-color);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-group.required label:after {
    content: '*';
    color: var(--secondary-color);
    margin-left: 5px;
}

.form-error {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* 上传区域 */
.upload-group {
    margin: 30px 0;
}

.upload-header {
    margin-bottom: 20px;
}

.upload-header h3 {
    margin: 0;
    font-size: 1.3rem;
}

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    background-color: var(--light-color);
}

.upload-area:hover {
    border-color: var(--secondary-color);
    background-color: rgba(179, 36, 36, 0.02);
}

.upload-area input[type="file"] {
    display: none;
}

.upload-btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 15px;
}

.upload-btn:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.upload-info {
    font-size: 0.9rem;
    color: var(--text-light);
}

.upload-preview {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-top: 20px;
}

.preview-item {
    position: relative;
    width: 100px;
    height: 100px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

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

.preview-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 0.8rem;
    transition: var(--transition);
}

.preview-remove:hover {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* 协议区域 */
.agreement-section {
    margin: 30px 0;
}

.agreement-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}

.agreement-item input[type="checkbox"] {
    margin-top: 5px;
}

.agreement-item label {
    flex: 1;
    font-size: 0.9rem;
    line-height: 1.5;
}

.agreement-item a {
    color: var(--secondary-color);
    text-decoration: none;
}

.agreement-item a:hover {
    text-decoration: underline;
}

/* 提交区域 */
.submit-section {
    margin-top: 40px;
    text-align: center;
}

.submit-btn {
    padding: 15px 40px;
    font-size: 1.1rem;
    font-weight: 600;
}

.submit-status {
    margin-top: 20px;
    padding: 20px;
    border-radius: 8px;
    display: none;
}

.submit-status.success {
    background-color: rgba(76, 175, 80, 0.1);
    color: #4CAF50;
    border: 1px solid #4CAF50;
    display: block;
}

.submit-status.error {
    background-color: rgba(244, 67, 54, 0.1);
    color: #F44336;
    border: 1px solid #F44336;
    display: block;
}

/* 易货市场页面样式 */

/* 搜索筛选区域 */
.filter-section {
    padding: 30px 0;
    background-color: var(--light-color);
    border-bottom: 1px solid var(--border-color);
}

.filter-container {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
}

.search-box {
    flex: 1;
    min-width: 300px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 15px 12px 45px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    background-color: var(--card-bg);
}

.search-box i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filter-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
}

.filter-group select {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
    background-color: var(--card-bg);
}

.sort-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-btn {
    padding: 8px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.sort-btn:hover,
.sort-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* 分类导航 */
.category-nav {
    padding: 20px 0;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
}

.category-links {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
}

.category-link {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--light-color);
    font-size: 0.9rem;
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.category-link:hover,
.category-link.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

/* 商品列表区域 */
.products-section {
    padding: 60px 0;
    background-color: var(--primary-color);
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.products-header h2 {
    margin: 0;
    font-size: 2rem;
}

.view-controls {
    display: flex;
    gap: 10px;
}

.view-btn {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    cursor: pointer;
    transition: var(--transition);
}

.view-btn:hover,
.view-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
}

.product-card {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.product-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.product-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    padding: 5px 10px;
    background-color: var(--secondary-color);
    color: white;
    font-size: 0.8rem;
    border-radius: 4px;
}

.product-info {
    padding: 20px;
}

.product-category {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 10px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
    height: 48px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.product-description {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: 15px;
    height: 60px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.product-price {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.product-actions {
    display: flex;
    gap: 10px;
}

.btn-secondary {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--secondary-color);
    border-radius: 6px;
    background-color: transparent;
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    color: white;
}

.btn-primary {
    flex: 1;
    padding: 10px 15px;
    border: 1px solid var(--secondary-color);
    border-radius: 6px;
    background-color: var(--secondary-color);
    color: white;
    font-size: 0.9rem;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.btn-primary:hover {
    background-color: var(--dark-color);
    border-color: var(--dark-color);
}

/* 商品详情模态框 */
.product-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    overflow-y: auto;
}

.product-modal.active {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 50px 20px;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: var(--border-radius);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
}

.product-detail {
    display: flex;
    flex-wrap: wrap;
}

.detail-images {
    flex: 1;
    min-width: 300px;
    padding: 40px;
    background-color: var(--light-color);
}

.main-image {
    width: 100%;
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-bottom: 20px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.thumbnail-images {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 10px;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail:hover,
.thumbnail.active {
    border-color: var(--secondary-color);
}

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

.detail-info {
    flex: 1;
    min-width: 300px;
    padding: 40px;
}

.detail-title {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.detail-price {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--secondary-color);
    margin-bottom: 30px;
}

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

.spec-item {
    display: flex;
    margin-bottom: 15px;
}

.spec-label {
    width: 120px;
    font-weight: 600;
    color: var(--dark-color);
}

.spec-value {
    flex: 1;
    color: var(--text-light);
}

.detail-description {
    margin-bottom: 30px;
}

.detail-description h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.detail-description p {
    line-height: 1.6;
    color: var(--text-light);
}

.detail-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
}

.detail-btn {
    flex: 1;
    padding: 15px 20px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.btn-exchange {
    background-color: var(--secondary-color);
    color: white;
    border: 1px solid var(--secondary-color);
}

.btn-exchange:hover {
    background-color: var(--dark-color);
    border-color: var(--dark-color);
}

.btn-contact {
    background-color: transparent;
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.btn-contact:hover {
    background-color: var(--secondary-color);
    color: white;
}

/* 分页区域 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 60px;
}

.page-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background-color: var(--card-bg);
    color: var(--dark-color);
    text-decoration: none;
    transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
    background-color: var(--secondary-color);
    color: white;
    border-color: var(--secondary-color);
}

.page-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header h1 {
        font-size: 1.8rem;
    }
    
    .process-steps {
        flex-direction: column;
        gap: 40px;
    }
    
    .process-steps:before {
        display: none;
    }
    
    .form-container {
        padding: 30px 20px;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: 100%;
    }
    
    .filter-controls {
        justify-content: space-between;
    }
    
    .filter-group {
        flex: 1;
    }
    
    .products-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .product-image {
        height: 200px;
    }
    
    .product-info {
        padding: 15px;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .product-modal.active {
        padding: 20px;
    }
    
    .detail-images,
    .detail-info {
        padding: 20px;
    }
    
    .main-image {
        height: 300px;
    }
    
    .detail-actions {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .category-links {
        gap: 10px;
    }
    
    .category-link {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
}

/* Expert Horizontal Scroll Styles */
.experts-scroll-container {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 20px;
    -webkit-overflow-scrolling: touch;
    scroll-behavior: smooth;
    /* 隐藏滚动条 */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.experts-scroll-container::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.experts-scroll {
    display: flex;
    gap: 30px;
    padding: 10px 5px;
    width: max-content;
    margin: 0 auto 0 0; /* Align left */
}

.experts-scroll .expert-card {
    width: 350px;
    flex-shrink: 0;
    margin: 0;
}

/* Utility Class */
.hidden {
    display: none !important;
}

.experts-full-view {
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
    .experts-scroll .expert-card {
        width: 300px;
    }
}

/* 展开专家按钮美化样式 */
.expand-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: var(--light-color);
    border: 2px solid transparent;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
    box-shadow: 0 4px 15px rgba(179, 36, 36, 0.3);
    position: relative;
    overflow: hidden;
}

.expand-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

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

.expand-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(179, 36, 36, 0.4);
    border-color: var(--gold-color);
}

.expand-btn:active {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(179, 36, 36, 0.3);
}

.expand-btn i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.expand-btn:hover i {
    transform: translateY(3px);
}

/* 当按钮显示"收起"时，图标向上 */
.expand-btn .fa-chevron-up {
    transform: rotate(0deg);
}

.expand-btn:hover .fa-chevron-up {
    transform: translateY(-3px);
}

@media (max-width: 768px) {
    .expand-btn {
        padding: 14px 32px;
        font-size: 1rem;
    }
}

/* 双列布局样式 */
.experts-two-column-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 40px;
    margin-top: 40px;
}

/* 左侧筛选栏 */
.filter-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.filter-container {
    background-color: var(--light-color);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.filter-header h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gold-color);
}

.filter-groups {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.filter-group label {
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.95rem;
}

.filter-group select {
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: white;
    color: var(--text-color);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-group select:hover {
    border-color: var(--secondary-color);
}

.filter-group select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.1);
}

.filter-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 25px;
}

.filter-actions .btn {
    width: 100%;
    padding: 12px 20px;
    font-size: 0.95rem;
    justify-content: center;
}

/* 右侧专家列表容器 */
.experts-grid-container {
    min-height: 400px;
}

.experts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

/* 响应式布局 */
@media (max-width: 1200px) {
    .experts-two-column-layout {
        grid-template-columns: 280px 1fr;
        gap: 30px;
    }

    .experts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 968px) {
    .experts-two-column-layout {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .filter-sidebar {
        position: static;
    }

    .experts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .filter-container {
        padding: 20px;
    }

    .filter-header h3 {
        font-size: 1.1rem;
    }

    .experts-grid {
        gap: 20px;
    }
}

/* 专家详情模态框样式 */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 10000;
    overflow-y: auto;
    padding: 40px 20px;
    backdrop-filter: blur(5px);
}

.modal-overlay.active {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    animation: fadeIn 0.3s ease;
}

.expert-modal {
    position: relative;
    background: var(--light-color);
    border-radius: var(--border-radius);
    max-width: 800px;
    width: 100%;
    margin: auto;
    box-shadow: 0 10px 50px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.1);
}

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

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.modal-close:hover {
    background: var(--accent-color);
    transform: rotate(90deg);
}

.modal-content {
    padding: 50px 40px 40px;
}

.modal-header {
    text-align: center;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--gold-color);
    margin-bottom: 30px;
}

.modal-avatar {
    width: 150px;
    height: 150px;
    margin: 0 auto 20px;
    border-radius: 50%;
    overflow: hidden;
    border: 4px solid var(--gold-color);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

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

.modal-name {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-weight: 700;
}

.modal-title {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
}

.modal-section {
    margin-bottom: 30px;
}

.modal-section h3 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-section h3::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--gold-color);
    border-radius: 2px;
}

.modal-section p {
    color: var(--text-color);
    line-height: 1.8;
    font-size: 1rem;
}

.modal-section ul {
    list-style: none;
    padding: 0;
}

.modal-section ul li {
    color: var(--text-color);
    line-height: 1.8;
    padding: 10px 0;
    padding-left: 30px;
    position: relative;
    font-size: 1rem;
}

.modal-section ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--gold-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 响应式模态框 */
@media (max-width: 768px) {
    .modal-overlay {
        padding: 20px 10px;
    }

    .modal-content {
        padding: 40px 25px 30px;
    }

    .modal-avatar {
        width: 120px;
        height: 120px;
    }

    .modal-name {
        font-size: 1.6rem;
    }

    .modal-title {
        font-size: 1rem;
    }

    .modal-section h3 {
        font-size: 1.1rem;
    }

    .modal-section p,
    .modal-section ul li {
        font-size: 0.95rem;
    }

    .modal-close {
        width: 35px;
        height: 35px;
        top: 15px;
        right: 15px;
        font-size: 1rem;
    }
}

/* ========================================
   客服咨询弹窗样式
   ======================================== */

/* 主弹窗容器 */
.customer-service-popup {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 380px;
    max-height: 600px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    z-index: 998;
    display: flex;
    flex-direction: column;
    transform: translateY(calc(100% + 50px));
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
    border: 2px solid var(--gold-color);
}

.customer-service-popup[aria-hidden="false"] {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
}

/* 弹窗头部 */
.cs-popup-header {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    color: white;
    padding: 20px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
}

.cs-popup-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.cs-popup-title-area {
    flex: 1;
}

.cs-popup-title-area h3 {
    font-size: 1.1rem;
    margin: 0;
    color: white;
    font-weight: 600;
}

.cs-popup-subtitle {
    font-size: 0.85rem;
    margin: 5px 0 0 0;
    color: rgba(255, 255, 255, 0.9);
}

.cs-popup-controls {
    display: flex;
    gap: 8px;
}

.cs-popup-minimize,
.cs-popup-close {
    width: 32px;
    height: 32px;
    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 0.3s ease;
    font-size: 0.9rem;
}

.cs-popup-minimize:hover,
.cs-popup-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.cs-popup-close:hover {
    background: rgba(255, 82, 82, 0.8);
}

/* 弹窗主体 */
.cs-popup-body {
    padding: 25px;
    overflow-y: auto;
    max-height: 480px;
}

.cs-popup-greeting {
    margin-bottom: 20px;
    padding: 15px;
    background: rgba(201, 169, 89, 0.1);
    border-left: 3px solid var(--gold-color);
    border-radius: 5px;
}

.cs-popup-greeting p {
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-color);
    line-height: 1.6;
}

.cs-popup-greeting p + p {
    margin-top: 8px;
}

/* 表单样式 */
.cs-popup-form {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.cs-form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.cs-form-group label i {
    color: var(--secondary-color);
    font-size: 0.85rem;
}

.cs-form-group .required {
    color: var(--secondary-color);
}

.cs-form-group input,
.cs-form-group textarea {
    padding: 12px 15px;
    border: 2px solid rgba(179, 36, 36, 0.1);
    border-radius: 8px;
    font-size: 0.95rem;
    font-family: 'Noto Serif SC', serif;
    transition: all 0.3s ease;
    background: white;
}

.cs-form-group input:focus,
.cs-form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(179, 36, 36, 0.1);
}

.cs-form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.cs-form-error {
    font-size: 0.85rem;
    color: #ff5252;
    display: none;
}

.cs-form-error:not(:empty) {
    display: block;
}

.cs-form-actions {
    margin-top: 10px;
}

.cs-submit-btn {
    width: 100%;
    padding: 14px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.cs-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cs-form-status {
    padding: 12px;
    border-radius: 8px;
    font-size: 0.9rem;
    text-align: center;
    display: none;
}

.cs-form-status.success {
    display: block;
    background: rgba(76, 175, 80, 0.1);
    color: #2e7d32;
    border: 1px solid rgba(76, 175, 80, 0.3);
}

.cs-form-status.error {
    display: block;
    background: rgba(244, 67, 54, 0.1);
    color: #c62828;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

/* 最小化状态 */
.cs-popup-minimized {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 998;
    transform: scale(0);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    pointer-events: none;
}

.cs-popup-minimized[aria-hidden="false"] {
    transform: scale(1);
    opacity: 1;
    pointer-events: all;
}

.cs-minimized-btn {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 1.8rem;
    cursor: pointer;
    box-shadow: 0 10px 30px rgba(179, 36, 36, 0.3);
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cs-minimized-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 15px 40px rgba(179, 36, 36, 0.4);
}

.cs-minimized-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 28px;
    height: 28px;
    background: #ff5252;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: bold;
    border: 3px solid white;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .customer-service-popup {
        width: calc(100% - 40px);
        max-width: 380px;
        right: 20px;
        bottom: 20px;
    }

    .cs-popup-body {
        padding: 20px;
    }

    .cs-popup-minimized {
        right: 20px;
        bottom: 20px;
    }
}

@media (max-width: 480px) {
    .customer-service-popup {
        width: calc(100% - 20px);
        right: 10px;
        bottom: 10px;
        max-height: calc(100vh - 100px);
    }

    .cs-popup-header {
        padding: 15px;
    }

    .cs-popup-avatar {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .cs-minimized-btn {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

/* 动画关键帧 */
@keyframes csPopupSlideIn {
    from {
        transform: translateY(calc(100% + 50px));
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes csPopupShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}