/* Milesight 品牌视觉规范 */
:root {
    --ms-sky-blue: #00B5E5;
    --ms-royal-blue: #003399;
    --ms-iron-grey: #5A5A5A;
    --ms-dark-grey: #2D2D2D;
    --ms-light-grey: #F5F7FA;
    --ms-medium-grey: #E4E7EB;
    --ms-white: #FFFFFF;
    --ms-success: #00C853;
    --ms-warning: #FFC107;
    --ms-error: #FF3B30;
    
    --ms-font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ms-font-mono: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', monospace;
    
    --ms-radius-sm: 4px;
    --ms-radius-md: 8px;
    --ms-radius-lg: 12px;
    --ms-radius-xl: 16px;
    
    --ms-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --ms-shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --ms-shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    
    --ms-transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --ms-transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--ms-font-primary);
    color: var(--ms-dark-grey);
    background-color: var(--ms-light-grey);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* 主页面容器 */
.ms-page {
    min-height: 100vh;
    background: linear-gradient(180deg, var(--ms-white) 0%, var(--ms-light-grey) 100%);
}

/* Hero 区域 */
.ms-hero {
    padding: 80px 0 60px;
    background: linear-gradient(135deg, #F5F7FA 0%, #E4E7EB 100%);
    position: relative;
    overflow: hidden;
}

.ms-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 150%;
    background: radial-gradient(circle, rgba(0, 181, 229, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

/* 产品标题区域 */
.ms-product-header {
    margin-bottom: 32px;
    position: relative;
    z-index: 1;
}

.ms-product-model {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ms-royal-blue);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 4px 12px;
    background: rgba(0, 51, 153, 0.08);
    border-radius: var(--ms-radius-sm);
    margin-bottom: 16px;
}

.ms-product-model::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--ms-royal-blue);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.ms-product-title {
    font-size: 48px;
    font-weight: 700;
    color: var(--ms-dark-grey);
    line-height: 1.1;
    margin-bottom: 16px;
    background: linear-gradient(135deg, var(--ms-dark-grey) 0%, var(--ms-royal-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.ms-product-subtitle {
    font-size: 18px;
    color: var(--ms-iron-grey);
    line-height: 1.6;
    margin-bottom: 32px;
}

/* 特性标签 */
.ms-feature-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 32px;
}

.ms-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--ms-white);
    border: 1px solid var(--ms-medium-grey);
    border-radius: var(--ms-radius-lg);
    font-size: 14px;
    color: var(--ms-dark-grey);
    font-weight: 500;
    transition: all var(--ms-transition-base);
    box-shadow: var(--ms-shadow-sm);
}

.ms-tag:hover {
    border-color: var(--ms-sky-blue);
    transform: translateY(-2px);
    box-shadow: var(--ms-shadow-md);
}

.ms-tag i {
    color: var(--ms-sky-blue);
    font-size: 16px;
}

/* 价格卡片 */
.ms-price-box {
    margin-bottom: 32px;
    padding: 28px;
    background: var(--ms-white);
    border-radius: var(--ms-radius-xl);
    border: 1px solid var(--ms-medium-grey);
    box-shadow: var(--ms-shadow-sm);
}

.ms-price-label {
    font-size: 14px;
    color: var(--ms-iron-grey);
    margin-bottom: 8px;
    font-weight: 500;
}

.ms-price-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--ms-royal-blue);
    display: flex;
    align-items: baseline;
    gap: 12px;
}

.ms-price-value .currency {
    font-size: 24px;
}

.ms-original-price {
    font-size: 18px;
    color: var(--ms-iron-grey);
    text-decoration: line-through;
    margin-left: 12px;
}

/* 库存状态 */
.ms-stock-status {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--ms-success);
    margin-bottom: 24px;
    padding: 12px 16px;
    background: rgba(0, 200, 83, 0.08);
    border-radius: var(--ms-radius-md);
    font-weight: 500;
}

.ms-stock-status.out-of-stock {
    color: var(--ms-error);
    background: rgba(255, 59, 48, 0.08);
}

.ms-stock-status i {
    font-size: 16px;
}

/* 按钮样式 */
.ms-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.ms-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    border: none;
    border-radius: var(--ms-radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ms-transition-base);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.ms-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 var(--ms-transition-base);
}

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

.ms-btn-primary {
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    color: var(--ms-white);
    box-shadow: 0 4px 12px rgba(0, 181, 229, 0.3);
}

.ms-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 181, 229, 0.4);
}

.ms-btn-outline {
    background: transparent;
    color: var(--ms-royal-blue);
    border: 2px solid var(--ms-royal-blue);
}

.ms-btn-outline:hover {
    background: var(--ms-royal-blue);
    color: var(--ms-white);
    transform: translateY(-3px);
}

.ms-btn-warning {
    background: var(--ms-warning);
    color: var(--ms-dark-grey);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.ms-btn-warning:hover {
    background: #FFB300;
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 193, 7, 0.4);
}

/* 产品图片画廊 */
.ms-gallery {
    background: var(--ms-white);
    border-radius: var(--ms-radius-xl);
    padding: 24px;
    box-shadow: var(--ms-shadow-md);
}

.ms-main-image-wrapper {
    position: relative;
    margin-bottom: 20px;
    border-radius: var(--ms-radius-lg);
    overflow: hidden;
    background: var(--ms-light-grey);
}

.ms-main-image {
    width: 100%;
    height: 450px;
    object-fit: contain;
    padding: 40px;
    transition: transform var(--ms-transition-base);
}

.ms-main-image:hover {
    transform: scale(1.05);
}

.ms-zoom-btn {
    position: absolute;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: var(--ms-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--ms-shadow-md);
    transition: all var(--ms-transition-fast);
    color: var(--ms-royal-blue);
    font-size: 18px;
}

.ms-zoom-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--ms-shadow-lg);
    background: var(--ms-royal-blue);
    color: var(--ms-white);
}

/* 缩略图 */
.ms-thumbnails {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
    scrollbar-color: var(--ms-medium-grey) transparent;
}

.ms-thumbnails::-webkit-scrollbar {
    height: 4px;
}

.ms-thumbnails::-webkit-scrollbar-track {
    background: transparent;
}

.ms-thumbnails::-webkit-scrollbar-thumb {
    background: var(--ms-medium-grey);
    border-radius: 2px;
}

.ms-thumb-item {
    width: 80px;
    height: 80px;
    border-radius: var(--ms-radius-md);
    overflow: hidden;
    cursor: pointer;
    border: 3px solid transparent;
    transition: all var(--ms-transition-fast);
    flex-shrink: 0;
    background: var(--ms-light-grey);
}

.ms-thumb-item.active {
    border-color: var(--ms-sky-blue);
    box-shadow: 0 0 0 2px var(--ms-white), 0 0 0 4px var(--ms-sky-blue);
}

.ms-thumb-item:hover {
    border-color: var(--ms-sky-blue);
}

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

/* 导航标签 */
.ms-nav-tabs {
    position: relative;
    top: -30px;
    z-index: 100;
    background: transparent;
    border-bottom: none;
    box-shadow: none;
    will-change: transform, position;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                background 0.3s ease,
                box-shadow 0.3s ease;
}

/* 导航栏固定状态 */
.ms-nav-tabs.ms-nav-fixed {
    position: fixed;
    top: 70px !important; /* 默认navbar高度，会被JS动态调整 */
    left: 0;
    right: 0;
    z-index: 9999;
    background: var(--ms-white);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    padding: 12px 0;
    transform: translateY(0);
}

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

.ms-nav-tabs .container {
    display: flex;
    justify-content: center;
    gap: 12px;
    overflow-x: auto;
    padding: 0;
    -webkit-overflow-scrolling: touch;
}

.ms-nav-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    background: var(--ms-white);
    color: var(--ms-iron-grey);
    border: 1px solid var(--ms-medium-grey);
    border-radius: var(--ms-radius-lg);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--ms-transition-base);
    text-decoration: none;
    box-shadow: var(--ms-shadow-sm);
}

.ms-nav-tab:hover,
.ms-nav-tab.active,
a.ms-nav-tab:hover {
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    color: var(--ms-white);
    border-color: transparent;
    box-shadow: var(--ms-shadow-md);
    transform: translateY(-2px);
}

.ms-nav-tab:disabled,
.ms-nav-tab.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.ms-nav-tab.disabled-click {
    animation: disabledPulse 0.3s ease-out;
}

@keyframes disabledPulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 0.3;
        transform: scale(0.98);
    }
}

/* 章节样式 */
.ms-section {
    padding: 100px 0;
}

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

.ms-section-title {
    font-size: 40px;
    font-weight: 700;
    color: var(--ms-dark-grey);
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.ms-section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--ms-sky-blue), var(--ms-royal-blue));
    border-radius: 2px;
}

.ms-section-subtitle {
    font-size: 18px;
    color: var(--ms-iron-grey);
    max-width: 600px;
    margin: 32px auto 0;
    line-height: 1.6;
}

/* 特性网格 */
.ms-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}

.ms-feature-card {
    background: var(--ms-white);
    border-radius: var(--ms-radius-xl);
    padding: 36px;
    border: 1px solid var(--ms-medium-grey);
    transition: all var(--ms-transition-base);
    box-shadow: var(--ms-shadow-sm);
    position: relative;
    overflow: hidden;
}

.ms-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--ms-sky-blue), var(--ms-royal-blue));
    opacity: 0;
    transition: opacity var(--ms-transition-base);
}

.ms-feature-card:hover {
    box-shadow: var(--ms-shadow-lg);
    transform: translateY(-8px);
    border-color: var(--ms-sky-blue);
}

.ms-feature-card:hover::before {
    opacity: 1;
}

.ms-feature-card-full {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px;
    background: var(--ms-white);
    border: 1px solid var(--ms-medium-grey);
    border-radius: var(--ms-radius-xl);
    box-shadow: var(--ms-shadow-md);
    box-sizing: border-box;
}

.ms-feature-card-full:hover {
    box-shadow: var(--ms-shadow-lg);
    transform: translateY(-4px);
    border-color: var(--ms-sky-blue);
}

.ms-feature-card-full:hover::before {
    opacity: 1;
}

.ms-feature-card-full::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--ms-sky-blue), var(--ms-royal-blue));
    opacity: 1;
    transition: opacity var(--ms-transition-base);
}

.ms-feature-card-full .ms-feature-content {
    width: 100%;
}

/* 特性图标 */
.ms-feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 181, 229, 0.1) 0%, rgba(0, 51, 153, 0.1) 100%);
    border-radius: var(--ms-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 28px;
    color: var(--ms-royal-blue);
    transition: all var(--ms-transition-base);
}

.ms-feature-card:hover .ms-feature-icon {
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    color: var(--ms-white);
    transform: scale(1.1) rotate(5deg);
}

.ms-feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--ms-dark-grey);
    margin-bottom: 12px;
}

.ms-feature-text {
    font-size: 15px;
    color: var(--ms-iron-grey);
    line-height: 1.7;
}

.ms-feature-content {
    font-size: 15px;
    color: var(--ms-iron-grey);
    line-height: 1.8;
}

.ms-feature-content h3 {
    color: var(--ms-dark-grey);
    margin-top: 24px;
    margin-bottom: 12px;
    font-size: 24px;
    font-weight: 700;
}

.ms-feature-content ul {
    padding-left: 24px;
}

.ms-feature-content li {
    margin-bottom: 10px;
}

/* 规格表格 */
.ms-specs-wrapper {
    background: var(--ms-white);
    border-radius: var(--ms-radius-xl);
    border: 1px solid var(--ms-medium-grey);
    overflow: hidden;
    box-shadow: var(--ms-shadow-md);
}

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

.ms-specs-table th,
.ms-specs-table td {
    padding: 20px 24px;
    text-align: left;
    border-bottom: 1px solid var(--ms-medium-grey);
}

.ms-specs-table th {
    width: 35%;
    font-weight: 600;
    color: var(--ms-dark-grey);
    background: var(--ms-light-grey);
    font-size: 15px;
}

.ms-specs-table td {
    color: var(--ms-iron-grey);
    font-size: 15px;
}

.ms-specs-table tr:last-child th,
.ms-specs-table tr:last-child td {
    border-bottom: none;
}

/* 规格富文本内容 */
.ms-specification-content {
    padding: 32px;
    color: var(--ms-iron-grey);
    line-height: 1.8;
    font-size: 15px;
}

.ms-specification-content h1,
.ms-specification-content h2,
.ms-specification-content h3,
.ms-specification-content h4,
.ms-specification-content h5,
.ms-specification-content h6 {
    color: var(--ms-dark-grey);
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
}

.ms-specification-content h1 { font-size: 28px; }
.ms-specification-content h2 { font-size: 24px; }
.ms-specification-content h3 { font-size: 20px; }
.ms-specification-content h4 { font-size: 18px; }
.ms-specification-content h5,
.ms-specification-content h6 { font-size: 16px; }

.ms-specification-content p {
    margin-bottom: 16px;
}

.ms-specification-content ul,
.ms-specification-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.ms-specification-content li {
    margin-bottom: 8px;
}

.ms-specification-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
}

.ms-specification-content th,
.ms-specification-content td {
    padding: 12px 16px;
    border: 1px solid var(--ms-medium-grey);
}

.ms-specification-content th {
    background: var(--ms-light-grey);
    font-weight: 600;
}

.ms-specification-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--ms-radius-md);
    margin: 16px 0;
}

.ms-specification-content a {
    color: var(--ms-sky-blue);
    text-decoration: none;
}

.ms-specification-content a:hover {
    text-decoration: underline;
}

/* 应用场景 */
.ms-applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.ms-application-card {
    background: var(--ms-white);
    border-radius: var(--ms-radius-xl);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--ms-medium-grey);
    transition: all var(--ms-transition-base);
    box-shadow: var(--ms-shadow-sm);
}

.ms-application-card:hover {
    box-shadow: var(--ms-shadow-lg);
    transform: translateY(-6px);
    border-color: var(--ms-sky-blue);
}

.ms-application-icon {
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, rgba(0, 181, 229, 0.1) 0%, rgba(0, 51, 153, 0.1) 100%);
    border-radius: var(--ms-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 32px;
    color: var(--ms-royal-blue);
    transition: all var(--ms-transition-base);
}

.ms-application-card:hover .ms-application-icon {
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    color: var(--ms-white);
    transform: scale(1.1) rotate(-5deg);
}

.ms-application-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--ms-dark-grey);
    margin-bottom: 10px;
}

.ms-application-desc {
    font-size: 14px;
    color: var(--ms-iron-grey);
    line-height: 1.6;
}

/* 下载区域 */
.ms-downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 20px;
}

.ms-download-card {
    background: var(--ms-white);
    border-radius: var(--ms-radius-xl);
    padding: 28px;
    border: 1px solid var(--ms-medium-grey);
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: all var(--ms-transition-base);
    box-shadow: var(--ms-shadow-sm);
}

.ms-download-card:hover {
    box-shadow: var(--ms-shadow-lg);
    transform: translateY(-4px);
    border-color: var(--ms-sky-blue);
}

.ms-download-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(0, 181, 229, 0.1) 0%, rgba(0, 51, 153, 0.1) 100%);
    border-radius: var(--ms-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--ms-royal-blue);
    flex-shrink: 0;
    transition: all var(--ms-transition-base);
}

.ms-download-card:hover .ms-download-icon {
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    color: var(--ms-white);
}

.ms-download-info {
    flex: 1;
}

.ms-download-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--ms-dark-grey);
    margin-bottom: 8px;
}

.ms-download-meta {
    font-size: 13px;
    color: var(--ms-iron-grey);
    margin-bottom: 12px;
}

.ms-download-desc {
    font-size: 14px;
    line-height: 1.5;
}

.ms-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    color: var(--ms-white);
    border-radius: var(--ms-radius-md);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--ms-transition-fast);
}

.ms-download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 181, 229, 0.3);
}

/* 筛选栏 */
.ms-filter-bar {
    background: var(--ms-white);
    padding: 24px;
    border-radius: var(--ms-radius-xl);
    border: 1px solid var(--ms-medium-grey);
    box-shadow: var(--ms-shadow-sm);
    margin-bottom: 24px;
}

/* CTA 区域 */
.ms-cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 60px;
    background: linear-gradient(135deg, var(--ms-sky-blue) 0%, var(--ms-royal-blue) 100%);
    border-radius: var(--ms-radius-xl);
    color: var(--ms-white);
    box-shadow: var(--ms-shadow-lg);
    position: relative;
    overflow: hidden;
}

.ms-cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.ms-cta-content {
    position: relative;
    z-index: 1;
}

.ms-cta-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
}

.ms-cta-text {
    font-size: 16px;
    opacity: 0.9;
    line-height: 1.6;
}

.ms-cta-btn {
    background: var(--ms-white);
    color: var(--ms-royal-blue);
    padding: 18px 36px;
    border-radius: var(--ms-radius-lg);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--ms-transition-base);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 1;
    white-space: nowrap;
}

.ms-cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* 标签内容区域 */
.ms-tab-content {
    min-height: 400px;
}

.ms-tab-pane {
    display: none;
}

.ms-tab-pane.active {
    display: block;
    animation: fadeInUp 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 响应式设计 */
@media (max-width: 1200px) {
    .ms-hero {
        padding: 60px 0 50px;
    }
    
    .ms-product-title {
        font-size: 40px;
    }
    
    .ms-section {
        padding: 80px 0;
    }
    
    .ms-section-title {
        font-size: 32px;
    }
}

@media (max-width: 991.98px) {
    .ms-hero {
        padding: 50px 0 40px;
    }
    
    .ms-product-title {
        font-size: 36px;
    }
    
    .ms-main-image {
        height: 350px;
    }
    
    .ms-section {
        padding: 60px 0;
    }
    
    .ms-section-title {
        font-size: 28px;
    }
    
    .ms-cta-box {
        flex-direction: column;
        text-align: center;
        padding: 48px 32px;
        gap: 24px;
    }
    
    .ms-nav-tabs .container {
        padding: 0 12px;
        justify-content: flex-start;
    }
    
    .ms-nav-tab {
        padding: 12px 20px;
        font-size: 13px;
    }
    
    .ms-feature-card-full {
        max-width: 900px;
        padding: 32px;
    }
}

@media (max-width: 767.98px) {
    .ms-hero {
        padding: 40px 0 30px;
    }
    
    .ms-product-title {
        font-size: 28px;
    }
    
    .ms-product-subtitle {
        font-size: 16px;
    }
    
    .ms-price-value {
        font-size: 28px;
    }
    
    .ms-actions {
        flex-direction: column;
    }
    
    .ms-btn {
        width: 100%;
    }
    
    .ms-main-image {
        height: 300px;
        padding: 24px;
    }
    
    .ms-features-grid {
        grid-template-columns: 1fr;
    }
    
    .ms-applications-grid {
        grid-template-columns: 1fr;
    }
    
    .ms-downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .ms-section {
        padding: 48px 0;
    }
    
    .ms-section-title {
        font-size: 24px;
    }
    
    .ms-specs-table th,
    .ms-specs-table td {
        padding: 14px 16px;
        font-size: 14px;
    }
    
    .ms-specs-table th {
        width: 40%;
    }
}

@media (max-width: 767.98px) {
    .ms-hero {
        padding: 40px 0 30px;
    }
    
    .ms-product-title {
        font-size: 28px;
    }
    
    .ms-product-subtitle {
        font-size: 16px;
    }
    
    .ms-price-value {
        font-size: 28px;
    }
    
    .ms-actions {
        flex-direction: column;
    }
    
    .ms-btn {
        width: 100%;
    }
    
    .ms-main-image {
        height: 300px;
        padding: 24px;
    }
    
    .ms-features-grid {
        grid-template-columns: 1fr;
    }
    
    .ms-applications-grid {
        grid-template-columns: 1fr;
    }
    
    .ms-downloads-grid {
        grid-template-columns: 1fr;
    }
    
    .ms-section {
        padding: 48px 0;
    }
    
    .ms-section-title {
        font-size: 24px;
    }
    
    .ms-specs-table th,
    .ms-specs-table td {
        padding: 14px 16px;
        font-size: 14px;
    }
    
    .ms-specs-table th {
        width: 40%;
    }
    
    .ms-feature-card-full {
        max-width: 100%;
        padding: 24px 20px;
        border-radius: var(--ms-radius-md);
    }
}

@media (max-width: 575.98px) {
    .ms-product-title {
        font-size: 24px;
    }
    
    .ms-hero {
        padding: 32px 0 24px;
    }
    
    .ms-nav-tabs {
        top: -20px;
    }
    
    /* 移动端sticky状态 */
    .ms-nav-tabs.ms-nav-fixed {
        top: 56px !important; /* 移动端navbar通常较矮 */
    }
    
    .ms-price-box {
        padding: 20px;
    }
    
    .ms-feature-card {
        padding: 28px 24px;
    }
    
    .ms-download-card {
        padding: 24px 20px;
    }
    
    .ms-cta-title {
        font-size: 24px;
    }
    
    .ms-feature-card-full {
        padding: 20px 16px;
        border-radius: var(--ms-radius-sm);
    }
}