/* ==========================================================================
   PREMIUM ENTERPRISE WEBSITE STYLES - 完全独立的样式
   Color Scheme: Primary Blue (#0a2463), Accent Red (#d10000)
   所有样式使用premium-前缀，避免与原有样式冲突
   ========================================================================== */

/* CSS变量 - 只影响新设计部分 */
:root {
    /* 颜色方案 */
    --premium-primary: #0a2463;
    --premium-primary-light: #1a3a8f;
    --premium-accent: #d10000;
    --premium-accent-light: #ff3333;
    --premium-dark: #1a1a2e;
    --premium-light: #f8f9fa;
    --premium-gray: #6c757d;
    --premium-border: #e0e0e0;
    
    /* 字体 */
    --premium-font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    --premium-font-heading: 'Montserrat', var(--premium-font-main);
    
    /* 间距 */
    --premium-spacing-xs: 0.5rem;
    --premium-spacing-sm: 1rem;
    --premium-spacing-md: 2rem;
    --premium-spacing-lg: 4rem;
    --premium-spacing-xl: 6rem;
    
    /* 圆角 */
    --premium-radius-sm: 4px;
    --premium-radius-md: 8px;
    --premium-radius-lg: 12px;
    --premium-radius-xl: 20px;
    
    /* 阴影 */
    --premium-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --premium-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --premium-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --premium-shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.2);
    
    /* 过渡 */
    --premium-transition-fast: 0.2s ease;
    --premium-transition-normal: 0.3s ease;
    --premium-transition-slow: 0.5s ease;
}

/* 重置基础样式 - 仅影响新设计部分 */
.premium-main-wrapper * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.premium-main-wrapper {
    font-family: var(--premium-font-main);
    line-height: 1.6;
    color: var(--premium-dark);
    background-color: var(--premium-light);
    overflow-x: hidden;
}

/* 容器 - 统一宽度 */
.premium-container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--premium-spacing-md);
}

/* 字体大小和行高规范 - 按照您的要求 */
/* 基础段落 */
.premium-main-wrapper p {
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: var(--premium-spacing-sm);
}

/* H1-H6标题样式 */
.premium-main-wrapper h1,
.premium-main-wrapper .premium-h1 {
    font-family: var(--premium-font-heading);
    font-size: 42px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-sm);
    letter-spacing: -0.5px;
}

.premium-main-wrapper h2,
.premium-main-wrapper .premium-h2 {
    font-family: var(--premium-font-heading);
    font-size: 36px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-sm);
}

.premium-main-wrapper h3,
.premium-main-wrapper .premium-h3 {
    font-family: var(--premium-font-heading);
    font-size: 28px;
    line-height: 1.2;
    font-weight: 600;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-sm);
}

.premium-main-wrapper h4,
.premium-main-wrapper .premium-h4 {
    font-family: var(--premium-font-heading);
    font-size: 24px;
    line-height: 1.2;
    font-weight: 600;
    color: var(--premium-accent);
    margin-bottom: var(--premium-spacing-sm);
    position: relative;
    padding-bottom: var(--premium-spacing-xs);
}

.premium-main-wrapper h4::after,
.premium-main-wrapper .premium-h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--premium-accent);
}

.premium-main-wrapper h5,
.premium-main-wrapper .premium-h5 {
    font-family: var(--premium-font-heading);
    font-size: 20px;
    line-height: 1.4;
    font-weight: 600;
    color: var(--premium-dark);
    margin-bottom: var(--premium-spacing-xs);
}

.premium-main-wrapper h6,
.premium-main-wrapper .premium-h6 {
    font-family: var(--premium-font-heading);
    font-size: 18px;
    line-height: 1.6;
    font-weight: 600;
    color: var(--premium-dark);
    margin-bottom: var(--premium-spacing-xs);
}

/* Detail Content 样式 - 应用于det1-det7 */
.premium-detail-content {
    font-size: 14px;
    line-height: 2;
    color: var(--premium-dark);
}

.premium-detail-content > * {
    margin-bottom: var(--premium-spacing-sm);
}

.premium-detail-content h4 {
    font-size: 24px;
    line-height: 1.2;
    color: var(--premium-accent);
    margin-top: var(--premium-spacing-md);
    margin-bottom: var(--premium-spacing-sm);
}

.premium-detail-content h4:first-child {
    margin-top: 0;
}

.premium-detail-content h5 {
    font-size: 20px;
    line-height: 1.4;
    color: var(--premium-primary);
    margin-top: var(--premium-spacing-sm);
    margin-bottom: var(--premium-spacing-xs);
}

.premium-detail-content h6 {
    font-size: 18px;
    line-height: 1.6;
    color: var(--premium-primary);
    margin-top: var(--premium-spacing-sm);
    margin-bottom: var(--premium-spacing-xs);
}

.premium-detail-content p {
    font-size: 16px;
    line-height: 28px;
    margin-bottom: var(--premium-spacing-sm);
}

.premium-detail-content ul,
.premium-detail-content ol {
    margin-bottom: var(--premium-spacing-sm);
}

.premium-detail-content li {
    font-size: 16px;
    line-height: 28px;
    margin-bottom: var(--premium-spacing-xs);
    padding-left: var(--premium-spacing-xs);
    position: relative;
}

.premium-detail-content ul li::before {
    content: '•';
    color: var(--premium-accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.premium-detail-content ol {
    counter-reset: item;
}

.premium-detail-content ol li {
    counter-increment: item;
}

.premium-detail-content ol li::before {
    content: counter(item) '.';
    color: var(--premium-accent);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.premium-detail-content strong {
    font-weight: 600;
    color: var(--premium-primary);
}

.premium-detail-content em {
    font-style: italic;
    color: var(--premium-gray);
}

.premium-detail-content a {
    color: var(--premium-accent);
    text-decoration: none;
    transition: color var(--premium-transition-fast);
    font-weight: 500;
}

.premium-detail-content a:hover {
    color: var(--premium-accent-light);
    text-decoration: underline;
}

.premium-detail-content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--premium-spacing-md) 0;
    font-size: 14px;
}

.premium-detail-content table th {
    background: var(--premium-primary);
    color: white;
    font-weight: 600;
    padding: var(--premium-spacing-sm);
    text-align: left;
    border: 1px solid var(--premium-primary-light);
}

.premium-detail-content table td {
    padding: var(--premium-spacing-sm);
    border: 1px solid var(--premium-border);
    background: white;
}

.premium-detail-content table tr:nth-child(even) td {
    background: var(--premium-light);
}

/* Hero Banner */
.premium-hero-banner {
    padding: var(--premium-spacing-xl) 0;
    color: white;
    position: relative;
    overflow: hidden;
}

.premium-hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.premium-hero-tag {
    display: inline-block;
    background: var(--premium-accent);
    color: white;
    padding: var(--premium-spacing-xs) var(--premium-spacing-sm);
    border-radius: var(--premium-radius-sm);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--premium-spacing-md);
    text-transform: uppercase;
}

.premium-hero-title {
    font-size: 56px;
    line-height: 1.1;
    color: white;
    margin-bottom: var(--premium-spacing-md);
    font-weight: 800;
}

.premium-hero-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--premium-spacing-sm);
    margin: var(--premium-spacing-md) 0;
}

.premium-divider-line {
    width: 60px;
    height: 2px;
    background: var(--premium-accent);
}

.premium-divider-star {
    color: var(--premium-accent);
    font-size: 20px;
}

.premium-hero-description {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto var(--premium-spacing-md);
}

.premium-breadcrumb {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.8);
}

.premium-breadcrumb a {
    color: white;
    text-decoration: none;
    transition: color var(--premium-transition-fast);
}

.premium-breadcrumb a:hover {
    color: var(--premium-accent);
}

/* 主要容器 */
.premium-main-wrapper {
    padding: var(--premium-spacing-lg) 0;
}

/* 区块通用样式 */
.premium-section-header {
    text-align: center;
    margin-bottom: var(--premium-spacing-lg);
}

.premium-section-title {
    font-size: 36px;
    line-height: 1.2;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-xs);
}

.premium-section-subtitle {
    font-size: 16px;
    color: var(--premium-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* 介绍区块 */
.premium-introduction {
    padding: var(--premium-spacing-lg) 0;
}

.premium-intro-content {
    background: white;
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-xl);
    box-shadow: var(--premium-shadow-lg);
    border-left: 4px solid var(--premium-accent);
}

.premium-content-wrapper {
    font-size: 16px;
    line-height: 1.8;
    color: var(--premium-dark);
}

.premium-content-wrapper > * {
    margin-bottom: var(--premium-spacing-md);
}

/* 产品轮播 */
.premium-products {
    padding: var(--premium-spacing-xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.premium-carousel-wrapper {
    position: relative;
    padding: 0 60px;
}

.premium-products-carousel {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: calc(33.333% - 20px);
    gap: var(--premium-spacing-md);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.premium-products-carousel::-webkit-scrollbar {
    display: none;
}

.premium-product-card {
    background: white;
    border-radius: var(--premium-radius-lg);
    overflow: hidden;
    box-shadow: var(--premium-shadow-md);
    transition: transform var(--premium-transition-normal), box-shadow var(--premium-transition-normal);
    scroll-snap-align: start;
}

.premium-product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--premium-shadow-xl);
}

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

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

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

.premium-product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(10, 36, 99, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--premium-transition-normal);
}

.premium-product-card:hover .premium-product-overlay {
    opacity: 1;
}

.premium-view-details {
    color: white;
    background: var(--premium-accent);
    padding: var(--premium-spacing-sm) var(--premium-spacing-md);
    border-radius: var(--premium-radius-sm);
    text-decoration: none;
    font-weight: 600;
    transition: background var(--premium-transition-fast);
}

.premium-view-details:hover {
    background: var(--premium-accent-light);
    text-decoration: none;
}

.premium-product-info {
    padding: var(--premium-spacing-md);
}

.premium-product-title {
    font-size: 20px;
    line-height: 1.4;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-xs);
}

.premium-product-excerpt {
    font-size: 14px;
    line-height: 1.8;
    color: var(--premium-gray);
    margin-bottom: var(--premium-spacing-sm);
}

.premium-product-link {
    color: var(--premium-accent);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: var(--premium-spacing-xs);
    transition: color var(--premium-transition-fast);
}

.premium-product-link:hover {
    color: var(--premium-accent-light);
    text-decoration: none;
}

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

.premium-carousel-prev,
.premium-carousel-next {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: white;
    border: 2px solid var(--premium-primary);
    color: var(--premium-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--premium-transition-fast);
    pointer-events: all;
    box-shadow: var(--premium-shadow-md);
}

.premium-carousel-arrow {
    font-size: 20px;
    font-weight: bold;
    line-height: 1;
}

.premium-carousel-prev:hover,
.premium-carousel-next:hover {
    background: var(--premium-primary);
    color: white;
    transform: scale(1.1);
}

/* 内容列区块 - 统一宽度 */
.premium-content-columns-section {
    padding: var(--premium-spacing-lg) 0;
}

.premium-content-columns {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--premium-spacing-lg);
}

/* 主列 */
.premium-main-column {
    display: flex;
    flex-direction: column;
    gap: var(--premium-spacing-lg);
}

.premium-detail-section {
    background: white;
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-xl);
    box-shadow: var(--premium-shadow-md);
    transition: transform var(--premium-transition-normal), box-shadow var(--premium-transition-normal);
}

.premium-detail-section:hover {
    transform: translateY(-4px);
    box-shadow: var(--premium-shadow-lg);
}

.premium-detail-section.premium-accent {
    border-left: 4px solid var(--premium-accent);
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
}

/* 侧边栏列 */
.premium-sidebar-column {
    display: flex;
    flex-direction: column;
    gap: var(--premium-spacing-lg);
}

.premium-sidebar-section {
    background: white;
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-lg);
    box-shadow: var(--premium-shadow-md);
    border-top: 4px solid var(--premium-primary);
}

/* FAQ部分 - 修改为白色背景，与其他板块一致 */
.premium-faq-section {
    background: white;
    color: var(--premium-dark);
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-xl);
    box-shadow: var(--premium-shadow-md);
    border-top: 4px solid var(--premium-accent);
}

.premium-faq-section .premium-detail-content {
    color: var(--premium-dark);
}

.premium-faq-section .premium-detail-content h4 {
    color: var(--premium-accent);
}

.premium-faq-section .premium-detail-content h4::after {
    background: var(--premium-accent);
}

/* 公司区块 */
.premium-company {
    padding: var(--premium-spacing-xl) 0;
    background: white;
}

.premium-company-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--premium-spacing-xl);
    align-items: center;
}

.premium-company-info {
    padding-right: var(--premium-spacing-lg);
}

.premium-company-tag {
    display: inline-block;
    background: var(--premium-accent);
    color: white;
    padding: var(--premium-spacing-xs) var(--premium-spacing-sm);
    border-radius: var(--premium-radius-sm);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--premium-spacing-md);
    text-transform: uppercase;
}

.premium-company-title {
    font-size: 36px;
    line-height: 1.2;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-md);
}

.premium-company-description p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: var(--premium-spacing-md);
}

.premium-company-description a {
    color: var(--premium-accent);
    font-weight: 600;
    text-decoration: none;
}

.premium-company-description a:hover {
    text-decoration: underline;
}

.premium-company-image {
    position: relative;
    border-radius: var(--premium-radius-lg);
    overflow: hidden;
    box-shadow: var(--premium-shadow-xl);
}

.premium-company-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.premium-image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 36, 99, 0.9);
    color: white;
    padding: var(--premium-spacing-md);
    text-align: center;
    font-size: 24px;
    font-weight: 600;
}

/* 联系区块 */
.premium-contact {
    padding: var(--premium-spacing-xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.premium-contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--premium-spacing-xl);
    background: white;
    border-radius: var(--premium-radius-lg);
    overflow: hidden;
    box-shadow: var(--premium-shadow-lg);
}

.premium-contact-info {
    padding: var(--premium-spacing-xl);
    background: linear-gradient(135deg, var(--premium-primary) 0%, var(--premium-primary-light) 100%);
    color: white;
}

.premium-contact-title {
    font-size: 32px;
    color: white;
    margin-bottom: var(--premium-spacing-md);
}

.premium-contact-description {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--premium-spacing-lg);
}

.premium-contact-features {
    display: flex;
    flex-direction: column;
    gap: var(--premium-spacing-md);
    margin-bottom: var(--premium-spacing-lg);
}

.premium-feature {
    display: flex;
    align-items: center;
    gap: var(--premium-spacing-sm);
    font-size: 16px;
    color: white;
}

.premium-feature-icon {
    width: 24px;
    height: 24px;
    background: var(--premium-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.premium-contact-details {
    margin-top: var(--premium-spacing-lg);
    padding-top: var(--premium-spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.premium-contact-details h4 {
    color: white;
    font-size: 20px;
    margin-bottom: var(--premium-spacing-sm);
}

.premium-contact-details ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.premium-contact-details li {
    padding: 6px 0;
    padding-left: 24px;
    position: relative;
    color: rgba(255, 255, 255, 0.9);
}

.premium-contact-details li:before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--premium-accent);
    font-weight: bold;
}

.premium-contact-form {
    padding: var(--premium-spacing-xl);
}

/* 表单样式增强 */
.premium-contact-form form {
    margin: 0;
    padding: 0;
}

/* 针对系统生成表单的样式覆盖 */
.premium-contact-form input[type="text"],
.premium-contact-form input[type="email"],
.premium-contact-form input[type="tel"],
.premium-contact-form textarea,
.premium-contact-form select {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    color: #333;
    background: #f8fafc;
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    transition: all 0.3s ease;
    outline: none;
    font-family: inherit;
    margin-bottom: 15px;
}

.premium-contact-form input[type="text"]:focus,
.premium-contact-form input[type="email"]:focus,
.premium-contact-form input[type="tel"]:focus,
.premium-contact-form textarea:focus,
.premium-contact-form select:focus {
    border-color: #0a2463;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
}

.premium-contact-form input[type="text"]:hover,
.premium-contact-form input[type="email"]:hover,
.premium-contact-form input[type="tel"]:hover,
.premium-contact-form textarea:hover,
.premium-contact-form select:hover {
    border-color: #94a3b8;
}

.premium-contact-form textarea {
    min-height: 140px;
    resize: vertical;
}

.premium-contact-form select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230a2463' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.premium-contact-form label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #1a1a2e;
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.premium-contact-form input[type="submit"],
.premium-contact-form button[type="submit"] {
    background: linear-gradient(135deg, #0a2463 0%, #1a3a8f 100%);
    color: white;
    border: none;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    width: 100%;
    letter-spacing: 0.5px;
    margin-top: 10px;
}

.premium-contact-form input[type="submit"]:hover,
.premium-contact-form button[type="submit"]:hover {
    background: linear-gradient(135deg, #1a3a8f 0%, #0a2463 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(10, 36, 99, 0.2);
}

/* 相关链接 */
.premium-related {
    padding: var(--premium-spacing-lg) 0;
    background: white;
}

.premium-related-title {
    font-size: 24px;
    color: var(--premium-primary);
    text-align: center;
    margin-bottom: var(--premium-spacing-md);
}

.premium-related-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--premium-spacing-sm);
}

.premium-related-link {
    background: var(--premium-light);
    color: var(--premium-primary);
    padding: var(--premium-spacing-xs) var(--premium-spacing-md);
    border-radius: 50px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all var(--premium-transition-fast);
    border: 2px solid transparent;
}

.premium-related-link:hover {
    background: var(--premium-primary);
    color: white;
    border-color: var(--premium-primary);
    transform: translateY(-2px);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .premium-content-columns {
        grid-template-columns: 1fr;
    }
    
    .premium-company-grid {
        grid-template-columns: 1fr;
        gap: var(--premium-spacing-lg);
    }
    
    .premium-company-info {
        padding-right: 0;
    }
    
    .premium-contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .premium-products-carousel {
        grid-auto-columns: calc(50% - 15px);
    }
    
    .premium-hero-title {
        font-size: 42px;
    }
    
    .premium-section-title {
        font-size: 32px;
    }
    
    .premium-main-wrapper h1,
    .premium-main-wrapper .premium-h1 {
        font-size: 36px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h2,
    .premium-main-wrapper .premium-h2 {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h3,
    .premium-main-wrapper .premium-h3 {
        font-size: 24px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h4,
    .premium-main-wrapper .premium-h4 {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h5,
    .premium-main-wrapper .premium-h5 {
        font-size: 18px;
        line-height: 1.4;
    }
    
    .premium-main-wrapper h6,
    .premium-main-wrapper .premium-h6 {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .premium-detail-content h4 {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .premium-detail-content h5 {
        font-size: 18px;
        line-height: 1.4;
    }
    
    .premium-detail-content h6 {
        font-size: 16px;
        line-height: 1.6;
    }
}

@media (max-width: 768px) {
    .premium-container {
        padding: 0 var(--premium-spacing-sm);
    }
    
    .premium-products-carousel {
        grid-auto-columns: calc(100% - 20px);
    }
    
    .premium-carousel-wrapper {
        padding: 0 40px;
    }
    
    .premium-hero-title {
        font-size: 32px;
    }
    
    .premium-hero-banner {
        padding: var(--premium-spacing-lg) 0;
    }
    
    .premium-section-title {
        font-size: 28px;
    }
    
    .premium-intro-content,
    .premium-detail-section,
    .premium-sidebar-section,
    .premium-faq-section {
        padding: var(--premium-spacing-lg);
    }
    
    .premium-carousel-controls {
        display: none;
    }
    
    .premium-main-wrapper h1,
    .premium-main-wrapper .premium-h1 {
        font-size: 32px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h2,
    .premium-main-wrapper .premium-h2 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h3,
    .premium-main-wrapper .premium-h3 {
        font-size: 22px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h4,
    .premium-main-wrapper .premium-h4 {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h5,
    .premium-main-wrapper .premium-h5 {
        font-size: 18px;
        line-height: 1.4;
    }
    
    .premium-main-wrapper h6,
    .premium-main-wrapper .premium-h6 {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .premium-detail-content {
        font-size: 14px;
        line-height: 2;
    }
    
    .premium-detail-content h4 {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .premium-detail-content h5 {
        font-size: 18px;
        line-height: 1.4;
    }
    
    .premium-detail-content h6 {
        font-size: 16px;
        line-height: 1.6;
    }
    
    .premium-detail-content p {
        font-size: 16px;
        line-height: 28px;
    }
    
    .premium-detail-content li {
        font-size: 16px;
        line-height: 28px;
    }
}

@media (max-width: 480px) {
    .premium-hero-title {
        font-size: 28px;
    }
    
    .premium-section-title {
        font-size: 24px;
    }
    
    .premium-carousel-wrapper {
        padding: 0 20px;
    }
    
    .premium-related-links {
        flex-direction: column;
        align-items: center;
    }
    
    .premium-main-wrapper h1,
    .premium-main-wrapper .premium-h1 {
        font-size: 28px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h2,
    .premium-main-wrapper .premium-h2 {
        font-size: 24px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h3,
    .premium-main-wrapper .premium-h3 {
        font-size: 20px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h4,
    .premium-main-wrapper .premium-h4 {
        font-size: 18px;
        line-height: 1.2;
    }
    
    .premium-main-wrapper h5,
    .premium-main-wrapper .premium-h5 {
        font-size: 16px;
        line-height: 1.4;
    }
    
    .premium-main-wrapper h6,
    .premium-main-wrapper .premium-h6 {
        font-size: 14px;
        line-height: 1.6;
    }
    
    .premium-detail-content h4 {
        font-size: 18px;
        line-height: 1.2;
    }
    
    .premium-detail-content h5 {
        font-size: 16px;
        line-height: 1.4;
    }
    
    .premium-detail-content h6 {
        font-size: 14px;
        line-height: 1.6;
    }
}

/* 打印样式 */
@media print {
    .premium-hero-banner,
    .premium-carousel-controls,
    .premium-contact,
    .premium-related {
        display: none;
    }
    
    .premium-main-wrapper {
        font-size: 12pt;
        line-height: 1.5;
    }
    
    .premium-main-wrapper a {
        color: #000;
        text-decoration: none;
    }
    
    .premium-main-wrapper a[href]::after {
        content: " (" attr(href) ")";
        font-size: 0.9em;
    }
}
.svg {
    max-height: 26px;
    display: inline-block;
    vertical-align: middle;
    width: auto;
    fill: #fff;
}



/* ==========================================================================
   COMPANY STRENGTH SECTION
   ========================================================================== */

.premium-strength {
    padding: var(--premium-spacing-xl) 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.premium-strength-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--premium-spacing-lg);
    margin-bottom: var(--premium-spacing-xl);
}

.premium-strength-card {
    background: white;
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-xl);
    box-shadow: var(--premium-shadow-md);
    transition: all 0.3s ease;
    text-align: center;
    border-top: 4px solid var(--premium-primary);
    position: relative;
    overflow: hidden;
}

.premium-strength-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--premium-primary), var(--premium-accent));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.premium-strength-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--premium-shadow-xl);
}

.premium-strength-card:hover::before {
    opacity: 1;
}

.premium-strength-main {
    grid-column: span 3;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--premium-spacing-lg);
    text-align: left;
    align-items: center;
    border-top-color: var(--premium-accent);
}

@media (max-width: 992px) {
    .premium-strength-main {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

.premium-strength-icon {
    width: 80px;
    height: 80px;
    background: var(--premium-accent);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    margin: 0 auto 20px auto;
}

.premium-strength-main .premium-strength-icon {
    width: 100px;
    height: 100px;
    font-size: 40px;
    margin: 0;
}

.premium-strength-title {
    font-family: var(--premium-font-heading);
    font-size: 22px;
    line-height: 1.3;
    font-weight: 700;
    color: var(--premium-primary);
    margin-bottom: 15px;
}

.premium-strength-line {
    width: 40px;
    height: 2px;
    background: var(--premium-accent);
    margin: 0 auto 20px auto;
}

.premium-strength-main .premium-strength-line {
    margin: 0 0 20px 0;
}

.premium-strength-description {
    font-size: 15px;
    line-height: 1.8;
    color: var(--premium-dark);
    margin: 0;
}

/* 产品分类展示 */
.premium-product-range {
    background: white;
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-xl);
    margin-bottom: var(--premium-spacing-xl);
    box-shadow: var(--premium-shadow-md);
}

.premium-range-title {
    font-family: var(--premium-font-heading);
    font-size: 28px;
    line-height: 1.2;
    font-weight: 700;
    color: var(--premium-primary);
    text-align: center;
    margin-bottom: var(--premium-spacing-lg);
    position: relative;
    padding-bottom: 15px;
}

.premium-range-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--premium-accent);
}

.premium-range-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--premium-spacing-lg);
}

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

.premium-range-item {
    padding: 25px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: var(--premium-radius-md);
    border-left: 4px solid var(--premium-primary);
    transition: all 0.3s ease;
}

.premium-range-item:hover {
    transform: translateX(5px);
    box-shadow: var(--premium-shadow-md);
    border-left-color: var(--premium-accent);
}

.premium-range-item-title {
    font-family: var(--premium-font-heading);
    font-size: 18px;
    line-height: 1.4;
    font-weight: 700;
    color: var(--premium-primary);
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.premium-range-item-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    background: var(--premium-accent);
    border-radius: 2px;
}

.premium-range-item-desc {
    font-size: 14px;
    line-height: 1.8;
    color: var(--premium-dark);
    margin: 0;
    padding-left: 25px;
}

/* 统计数据 */
.premium-stats {
    background: linear-gradient(135deg, var(--premium-primary) 0%, var(--premium-primary-light) 100%);
    border-radius: var(--premium-radius-lg);
    padding: var(--premium-spacing-xl);
    color: white;
}

.premium-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--premium-spacing-lg);
}

@media (max-width: 992px) {
    .premium-strength-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .premium-strength-main {
        grid-column: span 2;
    }
    
    .premium-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .premium-strength-grid {
        grid-template-columns: 1fr;
    }
    
    .premium-strength-main {
        grid-column: span 1;
    }
    
    .premium-stats-grid {
        grid-template-columns: 1fr;
    }
}

.premium-stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--premium-radius-md);
    transition: all 0.3s ease;
}

.premium-stat-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.premium-stat-number {
    font-family: var(--premium-font-heading);
    font-size: 42px;
    line-height: 1.2;
    font-weight: 800;
    color: white;
    margin-bottom: 10px;
}

.premium-stat-label {
    font-size: 16px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 1px;
}









/* ==========================================================================
   联系表单区块 - 独立页面样式（无特殊符号版本）
   ========================================================================== */

.premium-contact-section {
    padding: var(--premium-spacing-xl) 0;
    background: white;
}

.premium-contact-section.premium-inner-contact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.premium-contact-box {
    max-width: 1000px;
    margin: 0 auto;
}

.premium-contact-header {
    text-align: center;
    margin-bottom: var(--premium-spacing-xl);
}

.premium-contact-tag {
    display: inline-block;
    background: var(--premium-accent);
    color: white;
    padding: var(--premium-spacing-xs) var(--premium-spacing-sm);
    border-radius: var(--premium-radius-sm);
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: var(--premium-spacing-md);
    text-transform: uppercase;
}

.premium-contact-title {
    font-size: 42px;
    line-height: 1.2;
    color: var(--premium-primary);
    margin-bottom: var(--premium-spacing-md);
    font-weight: 700;
}

.premium-contact-divider {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--premium-spacing-sm);
    margin: var(--premium-spacing-md) auto;
    max-width: 400px;
}

.premium-divider-line {
    height: 2px;
    background: var(--premium-accent);
    flex-grow: 1;
}

.premium-divider-dot {
    width: 8px;
    height: 8px;
    background: var(--premium-primary);
    border-radius: 50%;
}

.premium-contact-intro {
    max-width: 600px;
    margin: 0 auto;
    font-size: 18px;
    line-height: 1.8;
    color: var(--premium-dark);
}

/* 增强表单容器 */
.premium-form-container.premium-enhanced-form {
    background: white;
    border-radius: var(--premium-radius-lg);
    box-shadow: var(--premium-shadow-lg);
    border: none;
    padding: 0;
    overflow: hidden;
}

.premium-form-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    min-height: 600px;
}

@media (max-width: 992px) {
    .premium-form-wrapper {
        grid-template-columns: 1fr;
    }
}

.premium-form-content {
    padding: var(--premium-spacing-xl);
    grid-column: 1;
}

/* 针对系统表单的样式覆盖 */
.premium-form-content form {
    display: flex;
    flex-direction: column;
    gap: var(--premium-spacing-md);
}

.premium-form-content .form-group {
    margin-bottom: 0;
}

.premium-form-content label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--premium-dark);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.premium-form-content label .required {
    color: var(--premium-accent);
}

.premium-form-content input[type="text"],
.premium-form-content input[type="email"],
.premium-form-content input[type="tel"],
.premium-form-content textarea,
.premium-form-content select {
    width: 100%;
    padding: 16px;
    font-size: 15px;
    color: var(--premium-dark);
    background: var(--premium-light);
    border: 2px solid var(--premium-border);
    border-radius: var(--premium-radius-md);
    transition: all 0.3s ease;
    outline: none;
    font-family: inherit;
}

.premium-form-content input[type="text"]:focus,
.premium-form-content input[type="email"]:focus,
.premium-form-content input[type="tel"]:focus,
.premium-form-content textarea:focus,
.premium-form-content select:focus {
    border-color: var(--premium-primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(10, 36, 99, 0.1);
}

.premium-form-content textarea {
    min-height: 150px;
    resize: vertical;
}

.premium-form-content select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230a2463' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    background-size: 16px;
    padding-right: 40px;
}

.premium-form-content input[type="submit"],
.premium-form-content button[type="submit"] {
    background: linear-gradient(135deg, var(--premium-accent) 0%, var(--premium-accent-light) 100%);
    color: white;
    border: none;
    padding: 18px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: var(--premium-radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    width: auto;
    min-width: 200px;
    letter-spacing: 0.5px;
    margin-top: var(--premium-spacing-sm);
}

.premium-form-content input[type="submit"]:hover,
.premium-form-content button[type="submit"]:hover {
    background: linear-gradient(135deg, var(--premium-accent-light) 0%, var(--premium-accent) 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(209, 0, 0, 0.2);
}

/* 联系信息盒子 */
.premium-contact-info-box {
    padding: var(--premium-spacing-xl);
    background: linear-gradient(135deg, var(--premium-primary) 0%, var(--premium-primary-light) 100%);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--premium-spacing-lg);
}

.premium-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--premium-spacing-md);
    padding: var(--premium-spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--premium-radius-md);
    transition: all 0.3s ease;
}

.premium-info-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.premium-info-icon {
    width: 50px;
    height: 50px;
    background: var(--premium-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.premium-info-icon svg {
    width: 24px;
    height: 24px;
}

.premium-info-content h4 {
    color: white;
    font-size: 18px;
    margin-bottom: 8px;
    font-weight: 600;
}

.premium-info-content p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 15px;
    line-height: 1.6;
    margin: 0;
}

/* 成功消息样式 */
.premium-form-success {
    background: #f0f9f0;
    border: 1px solid #b7eb8f;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    margin-top: 20px;
    display: none;
}

.premium-form-success.show {
    display: block;
}

.premium-success-icon {
    margin-bottom: 15px;
}

.premium-success-icon svg {
    width: 48px;
    height: 48px;
}

.premium-success-title {
    font-size: 20px;
    color: #52c41a;
    margin-bottom: 10px;
}

.premium-success-text {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

/* 响应式调整 */
@media (max-width: 992px) {
    .premium-contact-title {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .premium-contact-title {
        font-size: 32px;
    }
    
    .premium-form-content,
    .premium-contact-info-box {
        padding: var(--premium-spacing-lg);
    }
    
    .premium-info-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .premium-info-content h4,
    .premium-info-content p {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .premium-contact-title {
        font-size: 28px;
    }
    
    .premium-form-content input[type="submit"],
    .premium-form-content button[type="submit"] {
        width: 100%;
    }
}

/* 表单验证样式 */
.premium-form-error {
    color: var(--premium-accent);
    font-size: 13px;
    margin-top: 5px;
    display: none;
}

.premium-form-error.show {
    display: block;
}

.premium-input-invalid {
    border-color: var(--premium-accent) !important;
    background: #fff8f8 !important;
}

.premium-input-valid {
    border-color: #52c41a !important;
}