/* ============================================
   原有产品页面样式 - 保持不变
============================================= */

:root {
    --ht-primary: #a41626;
    --ht-dark: #1a1a1a;
    --ht-light: #ffffff;
    --ht-gray: #8a8a8a;
    --ht-light-bg: #f8f9fa;
    --ht-border-radius: 8px;
    --ht-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    --ht-transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
}

body {
    background-color: var(--ht-light);
    color: var(--ht-dark);
    line-height: 1.7;
    font-weight: 400;
    overflow-x: hidden;
}

.ht-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 动画效果 - 修复：图片不应用淡入效果 */
.ht-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.ht-fade-in.ht-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 重要修复：确保图片始终可见 */
.ht-fade-in img,
.ht-animate-fadein img,
.ht-product img,
.ht-advantage-img img,
.ht-clients-logos img {
    opacity: 1 !important;
    visibility: visible !important;
    animation: none !important;
}

/* 头部样式 */
.ht-header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--ht-transition);
}

.ht-header.scrolled {
    padding: 5px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.ht-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    transition: var(--ht-transition);
}

.ht-header.scrolled .ht-header-content {
    padding: 10px 0;
}

.ht-logo {
    display: flex;
    align-items: center;
}

.ht-logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--ht-primary), #c2185b);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 20px;
    margin-right: 15px;
    box-shadow: 0 4px 12px rgba(164, 22, 38, 0.3);
}

.ht-logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--ht-dark);
    letter-spacing: -0.5px;
}

.ht-logo-text span {
    color: var(--ht-primary);
}

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

.ht-nav li {
    margin-left: 30px;
}

.ht-nav a {
    text-decoration: none;
    color: var(--ht-dark);
    font-weight: 500;
    transition: var(--ht-transition);
    padding: 8px 0;
    position: relative;
    font-size: 16px;
}

.ht-nav a:hover, .ht-nav a.ht-active {
    color: var(--ht-primary);
}

.ht-nav a.ht-active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--ht-primary);
}

.ht-nav-cta {
    background: var(--ht-primary);
    color: white;
    padding: 10px 25px;
    border-radius: 30px;
    margin-left: 30px;
    transition: var(--ht-transition);
    box-shadow: 0 4px 12px rgba(164, 22, 38, 0.3);
}

.ht-nav-cta:hover {
    background: #8a1120;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(164, 22, 38, 0.4);
}

/* 英雄区域 */
.ht-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.ht-hero-content {
    max-width: 900px;
    padding: 0 20px;
    z-index: 2;
    margin-left: 600px;
    margin-right: auto;
}

.ht-hero h1 {
    font-size: 42px;
    margin-bottom: 15px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -1px;
}

.ht-hero p {
    font-size: 18px;
    opacity: 0.9;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.ht-hero-btns {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-left: -400px;
}

.ht-btn {
    background: var(--ht-primary);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--ht-transition);
    font-weight: 600;
    font-size: 16px;
    display: inline-flex;
    align-items: center;
    box-shadow: 0 4px 12px rgba(164, 22, 38, 0.3);
}

.ht-btn:hover {
    background: #8a1120;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(164, 22, 38, 0.4);
}

.ht-btn-outline {
    background: transparent;
    border: 2px solid white;
    box-shadow: none;
}

.ht-btn-outline:hover {
    background: white;
    color: var(--ht-dark);
}

/* 确保新位置的样式优先级足够高 */
.ht-section:last-child .why-choose-area {
    animation-duration: 1s !important;
}

/* 移除可能的样式覆盖 */
.ht-container + .ht-section .why-choose-area {
    /* 重置样式 */
    opacity: 1;
    transform: none;
}
/* 产品展示区域 */
.ht-section {
    /*padding: 80px 0;*/
}

.ht-section-light {
    /*background: var(--ht-light-bg);*/
}

.ht-section-title {
    text-align: center;
    margin-bottom: 110px;
}

.ht-section-title h2 {
    font-size: 36px;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--ht-dark);
    letter-spacing: -1px;
}

.ht-section-title p {
    font-size: 18px;
    color: var(--ht-gray);
    max-width: 700px;
    margin: 0 auto;
}

.ht-section-title .ht-divider {
    width: 80px;
    height: 4px;
    background: var(--ht-primary);
    margin: 20px auto;
    border-radius: 2px;
}

.ht-products {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 52px;
    margin-bottom: 50px;
}

.ht-product {
    background: white;
    overflow: hidden;
    box-shadow: var(--ht-shadow);
    transition: var(--ht-transition);
    display: flex;
    flex-direction: column;
    position: relative;
}

.ht-product:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

/* 修复产品图片容器 */
.ht-product-img {
    height: 180px;
    overflow: hidden;
    position: relative;
    background: radial-gradient(ellipse at center, #ffffff, #a7a7a7);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ht-product-img img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    position: relative;
    z-index: 1;
    opacity: 1 !important; /* 强制显示 */
    visibility: visible !important; /* 强制显示 */
    transition: transform 0.4s ease;
}

.ht-product-img .ht-product-tag {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 2;
}

.ht-product-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--ht-primary);
    color: white;
    padding: 5px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    z-index: 2;
}

.ht-product-info {
    padding: 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.ht-product-category {
    color: var(--ht-primary);
    font-size: 11px;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.ht-product-name {
    font-size: 16px;
    margin-bottom: 10px;
    color: var(--ht-dark);
    line-height: 1.3;
    font-weight: 600;
}

.ht-product-specs {
    list-style: none;
    margin-bottom: 15px;
    flex-grow: 1;
}

.ht-product-specs li {
    font-size: 13px;
    margin-bottom: 5px;
    color: var(--ht-gray);
    display: flex;
    align-items: center;
}

.ht-product-specs li i {
    margin-right: 8px;
    color: var(--ht-primary);
    font-size: 11px;
}

.ht-product-price {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    justify-content: center;
}

.ht-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--ht-primary);
}

.ht-product-btn {
    background: var(--ht-primary);
    color: white;
    border: none;
    padding: 10px 45px;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--ht-transition);
    font-weight: 500;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 5px;
    text-decoration: none;
}

.ht-product-btn:hover {
    background: #8a1120;
    transform: translateY(-2px);
}

/* 为什么选择霍桐区域 */
.ht-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.ht-advantage {
    background: white;
    padding: -1px 25px;
    border-radius: 16px;
    box-shadow: var(--ht-shadow);
    text-align: center;
    transition: var(--ht-transition);
    position: relative;
    overflow: hidden;
}

.ht-advantage::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--ht-primary);
}

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

.ht-advantage-img {
    height: 100px;
}

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

.ht-advantage-content {
    padding: 25px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.ht-advantage-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--ht-dark);
    font-weight: 600;
}

.ht-advantage-content p {
    font-size: 14px;
    color: var(--ht-gray);
    line-height: 1.6;
    margin: 0;
}

/* 销售网络区域 */
.ht-network {
    background: linear-gradient(135deg, #1a1a1a, #2c2c2c);
    color: white;
    padding: 70px 0;
    text-align: center;
}

.ht-network-content {
    max-width: 900px;
    margin: 0 auto;
}

.ht-network h2 {
    font-size: 32px;
    margin-bottom: 15px;
    font-weight: 700;
}

.ht-network p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 35px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.ht-network-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
    margin-top: 40px;
}

.ht-network-stat {
    text-align: center;
}

.ht-network-stat-number {
    font-size: 42px;
    font-weight: 700;
    color: var(--ht-primary);
    margin-bottom: 8px;
}

.ht-network-stat-text {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

/* 客户选择区域 */
.ht-clients {
    padding: 80px 0;
    background: white;
}

.ht-clients-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 35px;
    margin-top: 40px;
}

.ht-client-logo {
    width: 140px;
    height: 70px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--ht-shadow);
    transition: var(--ht-transition);
    font-weight: 600;
    color: var(--ht-dark);
}

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

/* 分页 */
.ht-pagination {
    display: flex;
    justify-content: center;
    margin: 80px 0 100px;
}

.ht-pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    /*width: 90px;*/
    height: 40px;
    margin: 0 4px;
    border: 1px solid #e0e0e0;
    border-radius: 15%;
    text-decoration: none;
    color: var(--ht-dark);
    transition: var(--ht-transition);
    font-weight: 500;
    font-size: 14px;
}

.ht-pagination a.ht-active, .ht-pagination a:hover {
    background: var(--ht-primary);
    color: white;
    border-color: var(--ht-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(164, 22, 38, 0.3);
}

/* 面包屑导航 */
.ht-breadcrumb {
    background-color: #fff;
    padding: 12px 0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.ht-breadcrumb-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    font-size: 14px;
}

.ht-breadcrumb-content a {
    color: #808082;
    text-decoration: none;
    padding: 4px 8px;
    position: relative;
    transition: all 0.2s ease;
}

.ht-breadcrumb-content a::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: #a41626;
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.ht-breadcrumb-content a:hover {
    color: #4a6ee0;
}

.ht-breadcrumb-content a:hover::after {
    width: 70%;
}

.ht-breadcrumb-content span.separator {
    color: #d1d9e6;
    margin: 0 2px;
}

.ht-breadcrumb-content .current {
    color: #2d3748;
    font-weight: 600;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* 新增的卡片交互方式 */
.ht-product {
    cursor: pointer;
    position: relative;
}

.ht-product::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
    transition: background-color 0.3s ease;
    border-radius: 16px;
    pointer-events: none;
}

.ht-product:hover::after {
    background: rgba(164, 22, 38, 0.05);
}

.ht-product-btn {
    position: relative;
    z-index: 2;
}

.ht-pagination {
    margin: 50px 0 20px;
}

.ht-pagination-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.ht-page-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: 1px solid #e0e0e0;
    border-radius: var(--ht-border-radius);
    text-decoration: none;
    color: var(--ht-dark);
    transition: var(--ht-transition);
    font-size: 14px;
    min-width: 40px;
    height: 40px;
}

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

/* 为数字页码添加样式 */
.ht-pagination-content a:not(.ht-page-item) {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border: 1px solid #e0e0e0;
    border-radius: var(--ht-border-radius);
    text-decoration: none;
    color: var(--ht-dark);
    transition: var(--ht-transition);
    font-size: 14px;
    min-width: 40px;
    height: 40px;
    margin: 0 2px;
}

.ht-pagination-content a:not(.ht-page-item):hover {
    border-color: var(--ht-primary);
    color: var(--ht-primary);
}

/* 当前页码高亮样式 */
.ht-pagination-content a:not(.ht-page-item).current,
.ht-pagination-content a:not(.ht-page-item)[class*="current"],
.ht-pagination-content a:not(.ht-page-item).page-num-current,
.ht-pagination-content a:not(.ht-page-item).active,
.ht-pagination-content a:not(.ht-page-item).on {
    background: var(--ht-primary);
    color: white;
    border-color: var(--ht-primary);
}

.ht-no-data {
    text-align: center;
    color: var(--ht-gray);
    padding: 40px 20px;
    font-size: 16px;
}

/* 为什么选择霍桐区域 - 新版样式 */
.ht-advantages {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.ht-advantage {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--ht-shadow);
    transition: var(--ht-transition);
    position: relative;
    display: flex;
    flex-direction: column;
}

.ht-advantage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--ht-primary);
}

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

.ht-advantage-img {
    height: 100px;
}

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

.ht-advantage-content {
    padding: 25px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    text-align: center;
}

.ht-advantage-content h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: var(--ht-dark);
    font-weight: 600;
}

.ht-advantage-content p {
    font-size: 14px;
    color: var(--ht-gray);
    line-height: 1.6;
    margin: 0;
}

/* logo墙 */
.ht-clients-logos {
    display: flex;
    justify-content: center;
    margin-top: 40px;
}

.ht-clients-logos img {
    max-width: 100%;
    height: auto;
    transition: var(--ht-transition);
    opacity: 1 !important; /* 强制显示 */
}

.ht-clients-logos img:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

/* 页脚 */
.ht-footer {
    background: var(--ht-dark);
    color: white;
    padding: 70px 0 25px;
}

.ht-footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 35px;
    margin-bottom: 40px;
}

.ht-footer-col h3 {
    font-size: 17px;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
    color: white;
    font-weight: 600;
}

.ht-footer-col h3::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 35px;
    height: 3px;
    background: var(--ht-primary);
}

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

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

.ht-footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--ht-transition);
    font-size: 14px;
    display: flex;
    align-items: center;
}

.ht-footer-links a:hover {
    color: white;
    padding-left: 5px;
}

.ht-footer-links a i {
    margin-right: 8px;
    width: 18px;
    text-align: center;
}

.ht-contact {
    list-style: none;
}

.ht-contact li {
    margin-bottom: 15px;
    display: flex;
    align-items: flex-start;
    font-size: 14px;
}

.ht-contact i {
    margin-right: 10px;
    color: var(--ht-primary);
    min-width: 18px;
    margin-top: 3px;
}

.ht-copyright {
    text-align: center;
    padding-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   SEO增强样式 - 新增部分，不干扰原有样式
============================================= */

/* 新增颜色变量 */
:root {
    --ht-enhanced-primary: #a41626;
    --ht-enhanced-secondary: #2c3e50;
    --ht-enhanced-light: #ffffff;
    --ht-enhanced-light-gray: #f8f9fa;
    --ht-enhanced-border: #e9ecef;
    --ht-enhanced-text: #333;
    --ht-enhanced-text-secondary: #666;
}

/* 页面头部增强 */
.ht-enhanced-header {
    background: linear-gradient(135deg, var(--ht-enhanced-secondary) 0%, #1a2530 100%);
    color: var(--ht-enhanced-light);
    padding: 60px 0 40px;
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
}

.ht-enhanced-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 100" opacity="0.05"><path d="M0,50 Q250,0 500,50 T1000,50" stroke="white" fill="none"/></svg>') repeat-x;
    background-size: 1000px 100px;
    animation: ht-wave 20s linear infinite;
}

@keyframes ht-wave {
    0% { background-position-x: 0; }
    100% { background-position-x: 1000px; }
}

.ht-header-content-enhanced {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.ht-title-enhanced {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.ht-subtitle-enhanced {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 800px;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* 快速导航条 */
.ht-quick-nav-enhanced {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    padding: 25px;
    /*margin-top: 40px;*/
    border: 1px solid rgba(255,255,255,0.2);
}

.ht-quick-nav-title {
    font-size: 1.2rem;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

.ht-quick-nav-title i {
    color: #4dabf7;
}

.ht-nav-tags-enhanced {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.ht-nav-tag-enhanced {
    background: #8c0e1c;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--ht-enhanced-light);
    padding: 12px 25px;
    /*border-radius: 30px;*/
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ht-nav-tag-enhanced:hover {
    background: var(--ht-enhanced-primary);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(164,22,38,0.4);
    border-color: var(--ht-enhanced-primary);
}

/* 主布局容器 */
.ht-main-layout-enhanced {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
}

/* 左侧边栏 */
.ht-sidebar-enhanced {
    position: sticky;
    top: 100px;
    align-self: start;
}

.ht-sidebar-module {
    background: var(--ht-enhanced-light);
    border-radius: 15px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    padding: 30px;
    margin-bottom: 25px;
    border: 1px solid var(--ht-enhanced-border);
    transition: transform 0.3s ease;
}

.ht-sidebar-module:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.ht-sidebar-module h3 {
    color: var(--ht-enhanced-secondary);
    font-size: 1.3rem;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 3px solid var(--ht-enhanced-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.ht-sidebar-module h3 i {
    color: var(--ht-enhanced-primary);
    font-size: 1.2rem;
}

/* 选型指南列表 */
.ht-guide-list-enhanced {
    list-style: none;
    padding: 0;
}

.ht-guide-list-enhanced li {
    margin-bottom: 15px;
}

.ht-guide-list-enhanced a {
    color: var(--ht-enhanced-text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 10px;
    transition: all 0.3s ease;
    background: var(--ht-enhanced-light-gray);
    border: 1px solid transparent;
}

.ht-guide-list-enhanced a:hover {
    background: var(--ht-enhanced-light);
    border-color: var(--ht-enhanced-primary);
    transform: translateX(8px);
    box-shadow: 0 4px 12px rgba(164,22,38,0.1);
}

.ht-guide-list-enhanced a i {
    color: var(--ht-enhanced-primary);
    /*width: 20px;*/
    text-align: center;
}

/* 技术文章预览 */
.ht-article-preview-enhanced {
    background: var(--ht-enhanced-light-gray);
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    border-left: 4px solid var(--ht-enhanced-primary);
}

.ht-article-preview-enhanced h4 {
    margin: 0 0 12px 0;
    font-size: 14px;
    color: var(--ht-enhanced-secondary);
}

.ht-article-preview-enhanced h4 a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.ht-article-preview-enhanced h4 a:hover {
    color: var(--ht-enhanced-primary);
}

.ht-article-preview-enhanced p {
    color: var(--ht-enhanced-text-secondary);
    font-size: 12px;
    line-height: 1.5;
    margin-bottom: 15px;
}

.ht-read-time-enhanced {
    font-size: 0.85rem;
    color: #888;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* FAQ折叠样式 */
.ht-details-enhanced {
    margin-bottom: 18px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--ht-enhanced-border);
    background: var(--ht-enhanced-light);
}

.ht-summary-enhanced {
    /*padding: 20px 25px;*/
    background: var(--ht-enhanced-light-gray);
    cursor: pointer;
    font-weight: 600;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--ht-enhanced-secondary);
    font-size: 14px;
}

.ht-summary-enhanced::-webkit-details-marker {
    display: none;
}

.ht-summary-enhanced::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--ht-enhanced-primary);
    transition: transform 0.3s ease;
    font-weight: normal;
}

.ht-details-enhanced[open] .ht-summary-enhanced::after {
    content: '−';
}

.ht-details-enhanced p {
    padding: 8px;
    margin: 0;
    color: var(--ht-enhanced-text-secondary);
    line-height: 1.6;
    border-top: 1px solid var(--ht-enhanced-border);
    font-size: 14px;
}

/* 联系咨询模块 */
.ht-contact-module-enhanced {
    background: linear-gradient(135deg, var(--ht-enhanced-primary) 0%, #8a1220 100%);
    color: var(--ht-enhanced-light);
    border: none;
}

.ht-contact-module-enhanced h3 {
    color: var(--ht-enhanced-light);
    border-bottom-color: rgba(255,255,255,0.3);
}

.ht-contact-module-enhanced p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 20px;
    line-height: 1.6;
}

.ht-contact-list-enhanced {
    list-style: none;
    padding-left: 0;
    margin-bottom: 25px;
}

.ht-contact-list-enhanced li {
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,0.9);
}

.ht-contact-list-enhanced li i {
    color: var(--ht-enhanced-light);
}

.ht-contact-btn-enhanced {
    width: 100%;
    padding: 16px;
    background: var(--ht-enhanced-light);
    color: var(--ht-enhanced-primary);
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.ht-contact-btn-enhanced:hover {
    background: var(--ht-enhanced-light-gray);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

/* 产品列表头部增强 */
.ht-product-header-enhanced {
    background: var(--ht-enhanced-light);
    border-radius: 15px;
    padding: 25px 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid var(--ht-enhanced-border);
}

.ht-product-count-enhanced {
    font-size: 1.2rem;
    color: var(--ht-enhanced-text-secondary);
}

.ht-product-count-enhanced span {
    color: var(--ht-enhanced-primary);
    font-weight: 700;
    font-size: 1.4rem;
}

.ht-sort-options-enhanced {
    display: flex;
    align-items: center;
    gap: 20px;
}

.ht-sort-label {
    font-weight: 600;
    color: var(--ht-enhanced-secondary);
}

.ht-sort-select-enhanced {
    padding: 12px 18px;
    border: 1px solid #dee2e6;
    border-radius: 10px;
    background: var(--ht-enhanced-light);
    color: var(--ht-enhanced-text);
    font-size: 1rem;
    min-width: 180px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.ht-sort-select-enhanced:focus {
    outline: none;
    border-color: var(--ht-enhanced-primary);
    box-shadow: 0 0 0 3px rgba(164,22,38,0.1);
}

.ht-view-toggle-enhanced {
    display: flex;
    gap: 8px;
    background: var(--ht-enhanced-light-gray);
    padding: 4px;
    border-radius: 10px;
}

.ht-view-btn-enhanced {
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ht-enhanced-text-secondary);
    transition: all 0.3s ease;
}

.ht-view-btn-enhanced:hover {
    background: var(--ht-enhanced-light);
    color: var(--ht-enhanced-primary);
}

.ht-view-btn-enhanced.active {
    background: var(--ht-enhanced-primary);
    color: var(--ht-enhanced-light);
    box-shadow: 0 4px 12px rgba(164,22,38,0.3);
}

/* 底部扩展内容 */
.ht-expand-section-enhanced {
    margin-top: 60px;
    padding-top: 40px;
    border-top: 1px solid var(--ht-enhanced-border);
}

.ht-expand-toggle-enhanced {
    text-align: center;
    margin-bottom: 40px;
}

.ht-expand-btn-enhanced {
    background: linear-gradient(135deg, #a41626 0%, #a41626 100%);
    color: var(--ht-enhanced-light);
    border: none;
    padding: 18px 40px;
    /*border-radius: 30px;*/
    font-size: 14px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
    font-weight: 600;
}

.ht-expand-btn-enhanced:hover {
    background: linear-gradient(135deg, var(--ht-enhanced-primary) 0%, #8a1220 100%);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(164,22,38,0.3);
}

.ht-expanded-content-enhanced {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.ht-expanded-content-enhanced.show {
    max-height: 3000px;
}

/* 技术对比表格 */
.ht-tech-comparison-enhanced {
    background: var(--ht-enhanced-light);
    border-radius: 15px;
    padding: 35px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.08);
    margin-bottom: 40px;
    border: 1px solid var(--ht-enhanced-border);
}

.ht-tech-comparison-enhanced h3 {
    color: var(--ht-enhanced-secondary);
    margin-bottom: 30px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.ht-tech-comparison-enhanced h3 i {
    color: var(--ht-enhanced-primary);
    font-size: 1.3rem;
}

.ht-comparison-table-enhanced {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.ht-comparison-table-enhanced th {
    background: linear-gradient(135deg, #a41626 0%, #a41626 100%);
    color: var(--ht-enhanced-light);
    padding: 20px 15px;
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
}

.ht-comparison-table-enhanced th:first-child {
    border-top-left-radius: 12px;
}

.ht-comparison-table-enhanced th:last-child {
    border-top-right-radius: 12px;
}

.ht-comparison-table-enhanced td {
    padding: 20px 15px;
    border-bottom: 1px solid var(--ht-enhanced-border);
    color: var(--ht-enhanced-text);
}

.ht-comparison-table-enhanced tr:nth-child(even) {
    background: var(--ht-enhanced-light-gray);
}

.ht-comparison-table-enhanced tr:hover {
    background: rgba(164,22,38,0.05);
}

/* 应用案例 */
.ht-case-studies-enhanced {
    margin-bottom: 40px;
}

.ht-case-studies-enhanced h3 {
    color: var(--ht-enhanced-secondary);
    margin-bottom: 30px;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.ht-case-grid-enhanced {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.ht-case-card-enhanced {
    background: var(--ht-enhanced-light);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.08);
    border: 1px solid var(--ht-enhanced-border);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.ht-case-card-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--ht-enhanced-primary) 0%, #4dabf7 100%);
}

.ht-case-card-enhanced:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.12);
}

.ht-case-tag-enhanced {
    display: inline-block;
    background: rgba(164,22,38,0.1);
    color: var(--ht-enhanced-primary);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.ht-case-card-enhanced h4 {
    margin: 0 0 15px 0;
    color: var(--ht-enhanced-secondary);
    font-size: 1.3rem;
    line-height: 1.4;
}

.ht-case-card-enhanced p {
    color: var(--ht-enhanced-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* 询价按钮增强 */
.ht-inquiry-enhanced {
    text-align: center;
    margin: 50px 0 30px;
}

.ht-inquiry-btn-enhanced {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, var(--ht-enhanced-primary) 0%, #8a1220 100%);
    color: var(--ht-enhanced-light);
    border: none;
    padding: 20px 50px;
    border-radius: 10px;
    font-size: 1.3rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.ht-inquiry-btn-enhanced:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(164,22,38,0.3);
    background: linear-gradient(135deg, #8a1220 0%, var(--ht-enhanced-primary) 100%);
}

/* 动画效果 */
@keyframes ht-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ht-animate-fadein {
    animation: ht-fade-in-up 0.6s ease forwards;
}

/* 视图切换样式 */
.ht-list-view .ht-products {
    grid-template-columns: 1fr;
    gap: 20px;
}

.ht-list-view .ht-product {
    flex-direction: row;
    max-width: 100%;
}

.ht-list-view .ht-product-img {
    width: 300px;
    height: 200px;
    flex-shrink: 0;
}

.ht-list-view .ht-product-info {
    padding: 30px;
}

.ht-list-view .ht-product-name {
    font-size: 1.4rem;
}

.ht-list-view .ht-product-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
}

/* 列表视图下的产品卡片 */
.ht-grid-view .ht-products {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
}

/* ============================================
   图片加载修复 - 新增
============================================= */

/* 1. 强制所有图片初始可见 */
.ht-product-img img,
.ht-advantage-img img,
.ht-clients-logos img,
.ht-sidebar-module img,
img[loading="lazy"],
.ht-fade-in img,
.ht-animate-fadein img {
    opacity: 1 !important;
    visibility: visible !important;
}

/* 2. 修复淡入动画不影响图片 */
.ht-fade-in,
.ht-animate-fadein {
    opacity: 1;
    transform: none;
}

.ht-fade-in.ht-visible,
.ht-animate-fadein.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 3. 图片加载完成后的效果 */
img.loaded {
    opacity: 1 !important;
    transition: opacity 0.3s ease;
}

/* 4. 修复图片容器 */
.ht-product-img {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 180px;
}

.ht-product-img img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
}

/* 5. 图片加载失败样式 */
img[data-error="true"] {
    border: 1px solid #e0e0e0;
    background: #f8f9fa;
    padding: 20px;
}

/* ============================================
   响应式设计 - 原有和新增强
============================================= */

/* 原有响应式设计 */
@media (max-width: 1200px) {
    .ht-products {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .ht-advantages {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* 增强样式响应式 */
    .ht-main-layout-enhanced {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .ht-sidebar-enhanced {
        position: static;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 25px;
    }
    
    .ht-sidebar-module {
        margin-bottom: 0;
    }
    
    .ht-title-enhanced {
        font-size: 2.3rem;
    }
}

@media (max-width: 992px) {
    .ht-products {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ht-footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .ht-hero h1 {
        font-size: 36px;
    }
    
    .ht-hero p {
        font-size: 16px;
    }
    
    .ht-network-stats {
        flex-wrap: wrap;
        gap: 30px;
    }
    
    .ht-section-title h2 {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .ht-header-content {
        flex-direction: column;
        padding: 15px 0;
    }
    
    .ht-logo {
        margin-bottom: 15px;
    }
    
    .ht-nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .ht-nav li {
        margin: 0 10px 10px;
    }
    
    .ht-products {
        grid-template-columns: 1fr;
    }
    
    .ht-hero {
        height: 40vh;
        min-height: 250px;
    }
    
    .ht-hero h1 {
        font-size: 28px;
    }
    
    .ht-hero p {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .ht-hero-btns {
        flex-direction: column;
        align-items: center;
        gap: 10px;
        margin-left: -400px;
    }
    
    .ht-btn {
        padding: 10px 25px;
        font-size: 14px;
    }
    
    .ht-section-title h2 {
        font-size: 28px;
    }
    
    .ht-clients-logos {
        gap: 20px;
    }
    
    .ht-client-logo {
        width: 120px;
        height: 60px;
    }
    
    .ht-advantages {
        grid-template-columns: 1fr;
    }
    
    .ht-network-stats {
        flex-direction: column;
        gap: 25px;
    }
    
    .ht-section {
        padding: 60px 0;
    }
    
    /* 增强样式响应式 */
    .ht-enhanced-header {
        padding: 40px 0 30px;
    }
    
    .ht-title-enhanced {
        font-size: 2rem;
    }
    
    .ht-subtitle-enhanced {
        font-size: 1.1rem;
    }
    
    .ht-nav-tags-enhanced {
        justify-content: center;
    }
    
    .ht-product-header-enhanced {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .ht-sort-options-enhanced {
        width: 100%;
        justify-content: space-between;
    }
    
    .ht-case-grid-enhanced {
        grid-template-columns: 1fr;
    }
    
    .ht-inquiry-btn-enhanced {
        padding: 18px 30px;
        font-size: 1.1rem;
    }
    
    .ht-comparison-table-enhanced {
        display: block;
        overflow-x: auto;
    }
    
    /* 列表视图在移动端显示为网格 */
    .ht-list-view .ht-products {
        grid-template-columns: 1fr;
    }
    
    .ht-list-view .ht-product {
        flex-direction: column;
    }
    
    .ht-list-view .ht-product-img {
        width: 100%;
        height: 180px;
    }
    
    .ht-list-view .ht-product-specs {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .ht-footer-content {
        grid-template-columns: 1fr;
    }
    
    .ht-section {
        padding: 50px 0;
    }
    
    .ht-network-stats {
        gap: 20px;
    }
    
    .ht-network-stat-number {
        font-size: 36px;
    }
    
    .ht-products {
        gap: 20px;
    }
    
    .ht-advantages {
        gap: 20px;
    }
    
    /* 增强样式响应式 */
    .ht-title-enhanced {
        font-size: 1.8rem;
    }
    
    .ht-nav-tag-enhanced {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
    
    .ht-expand-btn-enhanced {
        padding: 15px 25px;
        font-size: 1rem;
    }
    
    .ht-product-header-enhanced {
        padding: 20px;
    }
    
    .ht-sort-select-enhanced {
        min-width: 140px;
    }
}

/* 原有分页响应式 */
@media (max-width: 768px) {
    .ht-pagination-content {
        gap: 5px;
    }
    
    .ht-page-item {
        padding: 6px 12px;
        font-size: 13px;
        min-width: 35px;
        height: 35px;
    }
    
    .ht-pagination-content a:not(.ht-page-item) {
        padding: 6px 10px;
        font-size: 13px;
        min-width: 35px;
        height: 35px;
        margin: 0 1px;
    }
}

/* 原有为什么选择霍桐区域响应式 */
@media (max-width: 1200px) {
    .ht-advantages {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .ht-advantages {
        grid-template-columns: 1fr;
    }
    
    .ht-advantage-img {
        height: 100px;
    }
    
    .ht-advantage-content {
        padding: 20px 15px;
    }
}

/* 键盘导航支持 */
.ht-breadcrumb-content a:focus-visible {
    box-shadow: 0 0 0 3px rgba(102, 179, 255, 0.5);
}