/* 全局样式 */
:root {
    --primary-color: #0d6efd;
    --secondary-color: #6c757d;
    --success-color: #198754;
    --info-color: #0dcaf0;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    padding-top: 112px;
}

/* 顶部横幅 */
.top-banner {
    background-color: #212529;
    color: white;
    text-align: center;
    padding: 0.5rem 0;
    z-index: 1031;
    height: 36px;
}

.top-banner a {
    color: #0dcaf0;
}

.top-banner a:hover {
    color: #6edff6;
}

/* 导航栏样式 - Okta 风格 */
#mainNav {
    padding: 0.75rem 0;
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    top: 36px !important;
}

#mainNav .navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
}

#mainNav .navbar-nav {
    gap: 0.5rem;
}

#mainNav .nav-link {
    font-weight: 500;
    color: #333 !important;
    padding: 0.75rem 1rem !important;
    border-radius: 6px;
    transition: all 0.2s ease;
}

#mainNav .nav-link:hover,
#mainNav .nav-link.active {
    color: var(--primary-color) !important;
    background-color: rgba(13, 110, 253, 0.05);
}

#mainNav .dropdown-toggle::after {
    margin-left: 0.5rem;
    vertical-align: middle;
}

/* 大型下拉菜单 (Megamenu) */
.has-megamenu {
    position: static !important;
}

.megamenu {
    width: 100%;
    max-width: 900px;
    left: 50% !important;
    transform: translateX(-50%) !important;
    padding: 2rem;
    border: none;
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    border-radius: 12px;
    margin-top: 0.5rem !important;
}

.megamenu .dropdown-item {
    border-radius: 8px;
    transition: all 0.2s ease;
}

.megamenu .dropdown-item:hover {
    background-color: #f8f9fa;
    transform: translateX(5px);
}

.megamenu .dropdown-header {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

/* 普通下拉菜单 */
.dropdown-menu {
    border: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    border-radius: 10px;
    padding: 0.75rem 0;
    min-width: 240px;
}

.dropdown-item {
    padding: 0.75rem 1.25rem;
    font-weight: 500;
    color: #333;
    transition: all 0.2s ease;
}

.dropdown-item:hover {
    background-color: #f8f9fa;
    color: var(--primary-color);
}

.dropdown-item i {
    font-size: 1.1rem;
}

/* 导航栏按钮 */
#mainNav .btn {
    font-weight: 600;
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

#mainNav .btn-outline-primary {
    border-width: 2px;
}

#mainNav .btn-link {
    font-weight: 500;
    padding: 0.5rem !important;
}

/* 首页横幅 */
.hero-section {
    min-height: calc(100vh - 76px);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 0;
}

.hero-content {
    padding: 2rem 0;
}

.hero-image img {
    max-height: 500px;
    filter: drop-shadow(0 20px 40px rgba(0,0,0,0.1));
}

/* 图标框 */
.icon-box {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-box-sm {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.icon-box-sm i {
    font-size: 1.25rem;
    line-height: 1;
}

/* 产品卡片 */
.product-card {
    transition: all 0.3s ease;
    border-radius: 12px;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
}

/* 解决方案卡片 */
.solution-card {
    transition: all 0.3s ease;
    overflow: hidden;
    border-radius: 12px;
}

.solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
}

.solution-card img {
    height: 150px;
    object-fit: cover;
}

/* 新闻卡片 */
.news-card {
    transition: all 0.3s ease;
    border-radius: 12px;
}

.news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

/* 统计数据 */
.stats-container {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}

.stat-item {
    padding: 1rem;
}

/* CTA 区域 */
.cta-box {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
}

/* 客户Logo */
.client-logo {
    transition: all 0.3s ease;
}

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

/* 页脚 */
footer {
    background: linear-gradient(135deg, #212529 0%, #1a1d20 100%) !important;
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--primary-color) !important;
}

/* 页面横幅 */
.page-banner {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    padding: 4rem 0;
    color: white;
}

/* 时间线 */
.timeline {
    position: relative;
    padding-left: 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--primary-color);
}

.timeline-item {
    position: relative;
    padding-bottom: 2rem;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--primary-color);
    border: 2px solid white;
    box-shadow: 0 0 0 2px var(--primary-color);
}

/* 团队卡片 */
.team-card {
    transition: all 0.3s ease;
    border-radius: 12px;
}

.team-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.1) !important;
}

.team-card img {
    width: 120px;
    height: 120px;
    object-fit: cover;
}

/* 联系信息卡片 */
.contact-info-card {
    transition: all 0.3s ease;
}

.contact-info-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1) !important;
}

/* 表单样式 */
.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* 按钮样式 */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, #0d6efd 0%, #0a58ca 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0b5ed7 0%, #094db1 100%);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(13, 110, 253, 0.3);
}

/* 响应式调整 */
@media (max-width: 991.98px) {
    .hero-section {
        padding: 2rem 0;
        text-align: center;
    }
    
    .hero-image {
        margin-top: 2rem;
    }
    
    .display-4 {
        font-size: 2rem;
    }
    
    .megamenu {
        position: static !important;
        transform: none !important;
        width: 100%;
        max-width: 100%;
        padding: 1rem;
        box-shadow: none;
        border-radius: 0;
    }
}

@media (max-width: 767.98px) {
    body {
        padding-top: 106px;
    }
    
    .hero-content {
        padding: 1rem 0;
    }
    
    .stats-container {
        margin-top: 2rem;
    }
    
    #mainNav .btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease-out;
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* 右侧悬浮客服导航 */
.sidebar-float {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-group {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-item {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.sidebar-icon {
    width: 50px;
    height: 50px;
    background: #fff;
    border-radius: 8px 0 0 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0d6efd;
    box-shadow: -2px 2px 10px rgba(0,0,0,0.1);
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 2;
}

.sidebar-icon:hover {
    background: #0d6efd;
    color: #fff;
}

.sidebar-icon-wechat {
    color: #07c160;
}

.sidebar-icon-wechat:hover {
    background: #07c160;
    color: #fff;
}

.sidebar-icon-email {
    color: #ea4335;
}

.sidebar-icon-email:hover {
    background: #ea4335;
    color: #fff;
}

.sidebar-content {
    position: absolute;
    right: 50px;
    top: 50%;
    transform: translateY(-50%) translateX(20px);
    background: #fff;
    border-radius: 8px;
    padding: 15px 20px;
    box-shadow: -2px 2px 15px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    white-space: nowrap;
    z-index: 1;
}

.sidebar-item:hover .sidebar-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.sidebar-content-inner {
    text-align: left;
}

.sidebar-content-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    margin-bottom: 4px;
}

.sidebar-content-desc {
    font-size: 12px;
    color: #666;
}

.sidebar-content-desc2 {
    font-size: 12px;
    color: #666;
    margin-top: 8px;
}

.sidebar-content-qr {
    width: 120px;
    height: 120px;
    border-radius: 4px;
}

/* 移动端隐藏悬浮导航 */
@media (max-width: 767.98px) {
    .sidebar-float {
        display: none;
    }
}

/* 产品介绍水平滚动展示 - 统一背景 */
.product-showcase-section {
    position: relative;
    overflow: hidden;
    padding: 4rem 0;
    min-height: 700px;
    transition: background 0.6s ease;
}

/* 每个 slide 的背景色平铺整个 section */
.product-slide[data-slide="0"] .product-showcase-section,
.product-showcase-section:has(.product-slide[data-slide="0"].active) {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.product-slide[data-slide="1"] .product-showcase-section,
.product-showcase-section:has(.product-slide[data-slide="1"].active) {
    background: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
}

.product-slide[data-slide="2"] .product-showcase-section,
.product-showcase-section:has(.product-slide[data-slide="2"].active) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

/* 使用 JS 切换的背景类 - 更明显的渐变 */
.product-showcase-section.bg-iam {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #a855f7 100%);
}

.product-showcase-section.bg-td {
    background: linear-gradient(135deg, #059669 0%, #10b981 50%, #34d399 100%);
}

.product-showcase-section.bg-sdp {
    background: linear-gradient(135deg, #0284c7 0%, #0ea5e9 50%, #38bdf8 100%);
}

.product-showcase-section.bg-pam {
    background: linear-gradient(135deg, #ea580c 0%, #f97316 50%, #fb923c 100%);
}

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

.product-slider-container {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-slide {
    min-width: 100%;
    flex-shrink: 0;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s ease, visibility 0.6s ease;
    position: absolute;
    top: 0;
    left: 0;
}

.product-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

/* 产品卡片 - 增强毛玻璃效果 */
.product-card {
    border-radius: 24px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.iam-card,
.td-card,
.sdp-card {
    background: rgba(255, 255, 255, 0.15);
}

/* 左侧内容区域 */
.product-content-col {
    padding: 4rem 3rem;
    min-height: 550px;
    display: flex;
    align-items: center;
}

.product-content-wrapper {
    max-width: 100%;
    color: white;
}

.product-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(255, 255, 255, 0.25);
    color: white;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.product-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    color: white;
}

.product-desc {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    padding: 0;
    margin-bottom: 2.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.product-features li {
    display: flex;
    align-items: center;
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.95);
}

.product-features li i {
    color: rgba(255, 255, 255, 0.9);
    margin-right: 0.5rem;
    font-size: 1.25rem;
}

/* 右侧图片区域 */
.product-image-col {
    min-height: 550px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-visual {
    position: relative;
    text-align: center;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-visual > i {
    font-size: 10rem;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.visual-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.visual-elements .element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: float 3s ease-in-out infinite;
}

.visual-elements .element i {
    font-size: 1.5rem;
    color: #495057;
}

.element-1 {
    top: 15%;
    left: 15%;
    animation-delay: 0s !important;
}

.element-2 {
    top: 25%;
    right: 20%;
    animation-delay: 0.5s !important;
}

.element-3 {
    bottom: 25%;
    left: 25%;
    animation-delay: 1s !important;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

/* 导航控制 */
.slider-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    z-index: 100;
}

.slider-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.slider-btn:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.8);
    color: white;
    transform: scale(1.1);
}

.slider-btn i {
    font-size: 1.25rem;
}

.slider-dots {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.slider-dots .dot {
    width: 12px;
    height: 12px;
    min-width: 12px;
    min-height: 12px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
    flex-shrink: 0;
}

.slider-dots .dot.active {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.9);
    transform: scale(1.2);
}

.slider-dots .dot:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 玻璃态按钮 */
.btn-glass {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px) saturate(150%);
    -webkit-backdrop-filter: blur(10px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: white;
    font-weight: 600;
    padding: 0.75rem 2rem;
    transition: all 0.3s ease;
    box-shadow: 
        0 4px 15px rgba(0, 0, 0, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.35);
    border-color: rgba(255, 255, 255, 0.6);
    color: white;
    transform: translateY(-2px);
    box-shadow: 
        0 8px 25px rgba(0, 0, 0, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.4);
}

.btn-glass:active {
    transform: translateY(0);
}

/* 响应式 */
@media (max-width: 991.98px) {
    .product-content-col {
        padding: 3rem 1.5rem;
        min-height: auto;
    }

    .product-title {
        font-size: 1.75rem;
    }

    .product-image-col {
        min-height: 400px;
    }

    /* 移动端导航菜单优化 */
    #navbarNav {
        background-color: white;
        padding: 1rem;
        border-radius: 0 0 12px 12px;
        box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }

    #navbarNav .navbar-nav {
        gap: 0;
    }

    #navbarNav .nav-link {
        padding: 0.875rem 1rem !important;
        border-bottom: 1px solid #f0f0f0;
    }

    #navbarNav .dropdown-menu {
        border: none;
        box-shadow: none;
        padding: 0 0 0 1rem;
        margin: 0;
    }

    #navbarNav .dropdown-item {
        padding: 0.625rem 1rem;
    }

    #navbarNav .megamenu {
        width: 100% !important;
        max-width: 100%;
        padding: 1rem;
        box-shadow: none;
        background-color: #f8f9fa;
    }

    #navbarNav .megamenu .row {
        flex-direction: column;
    }

    #navbarNav .megamenu .col-lg-4,
    #navbarNav .megamenu .col-lg-5,
    #navbarNav .megamenu .col-lg-3 {
        width: 100% !important;
        padding: 0.5rem 0;
    }

    #navbarNav .megamenu .bg-light {
        display: none;
    }

    #navbarNav .d-flex {
        flex-direction: column;
        width: 100%;
        gap: 0.75rem !important;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid #e9ecef;
    }

    #navbarNav .btn {
        width: 100%;
        text-align: center;
    }
}

/* Logo滚动展示区域 - 长条形图片 */
.logo-marquee-wrapper {
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 64px;
    padding: 0;
}

/* 全宽Logo滚动区域 */
.logo-marquee-wrapper-full {
    overflow: hidden;
    position: relative;
    width: 100vw;
    height: 64px;
    padding: 0;
    margin-left: calc(-50vw + 50%);
}

/* 颗粒效果蒙版覆盖整个滚动区域 */
.logo-marquee-wrapper-full .logo-marquee::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.15;
    z-index: 3;
    pointer-events: none;
}

.logo-marquee-wrapper::before,
.logo-marquee-wrapper::after,
.logo-marquee-wrapper-full::before,
.logo-marquee-wrapper-full::after {
    content: '';
    position: absolute;
    top: 0;
    width: 100px;
    height: 64px;
    z-index: 4;
    pointer-events: none;
}

.logo-marquee-wrapper::before,
.logo-marquee-wrapper-full::before {
    left: 0;
    background: linear-gradient(to right, #f8f9fa 0%, transparent 100%);
}

.logo-marquee-wrapper::after,
.logo-marquee-wrapper-full::after {
    right: 0;
    background: linear-gradient(to left, #f8f9fa 0%, transparent 100%);
}

.logo-marquee {
    overflow: hidden;
    width: 100%;
}

/* 长条形图片轨道 */
.logo-track-long {
    display: flex;
    animation: logoScrollLong 120s linear infinite;
    width: fit-content;
}

.logo-track-long:hover {
    animation-play-state: paused;
}

/* 长条形Logo图片 - 首尾相连 */
.logo-long-img {
    flex-shrink: 0;
    height: 64px;
    width: auto;
    max-width: none;
    object-fit: contain;
    opacity: 0.9;
    transition: all 0.3s ease;
    margin-right: 100px;
    background-color: white;
}

.logo-long-img:hover {
    opacity: 1;
}

@keyframes logoScrollLong {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

/* 响应式Logo滚动 */
@media (max-width: 768px) {
    .logo-marquee-wrapper,
    .logo-marquee-wrapper-full {
        height: 48px;
    }

    .logo-long-img {
        height: 48px;
        margin-right: 50px;
    }

    .logo-marquee-wrapper::before,
    .logo-marquee-wrapper::after,
    .logo-marquee-wrapper-full::before,
    .logo-marquee-wrapper-full::after {
        width: 50px;
        height: 48px;
    }
}

/* ==================== 移动端响应式优化 ==================== */

/* 平板设备 (768px - 991px) */
@media (max-width: 991.98px) {
    body {
        padding-top: 70px;
    }

    /* 导航栏优化 */
    #mainNav {
        padding: 0.5rem 0;
        top: 0 !important;
    }

    .top-banner {
        display: none;
    }

    .megamenu {
        max-width: 100%;
        padding: 1rem;
        transform: none !important;
        left: 0 !important;
    }

    /* 产品展示区 */
    .product-showcase-section {
        padding: 1rem 0;
    }

    .product-card {
        margin: 0 0.5rem;
    }

    .product-content-col {
        padding: 2rem 1rem;
    }

    .product-title {
        font-size: 1.5rem;
    }

    .product-desc {
        font-size: 0.95rem;
    }

    .product-image-col {
        min-height: 300px;
    }

    .product-visual > i {
        font-size: 6rem;
    }

    /* 解决方案区域 */
    .solution-card {
        margin-bottom: 1rem;
    }

    /* CTA区域 */
    .cta-box {
        padding: 2rem 1.5rem !important;
        margin: 0 0.5rem;
    }

    .cta-box h2 {
        font-size: 1.5rem;
    }

    /* 页脚 */
    .footer-section .col-lg-3,
    .footer-section .col-lg-2 {
        margin-bottom: 2rem;
    }
}

/* 手机设备 (小于 768px) */
@media (max-width: 767.98px) {
    body {
        padding-top: 60px;
    }

    /* 导航栏 */
    #mainNav .navbar-brand {
        font-size: 1.25rem;
    }

    .navbar-toggler {
        padding: 0.25rem 0.5rem;
    }

    /* 产品轮播 */
    .product-slide {
        padding: 0;
    }

    .product-content-wrapper {
        padding: 1.5rem 1rem;
    }

    .product-title {
        font-size: 1.25rem;
    }

    .product-badge {
        font-size: 0.75rem;
        padding: 0.35rem 0.75rem;
    }

    .product-features li {
        font-size: 0.9rem;
    }

    .product-image-col {
        min-height: 200px;
    }

    .product-visual > i {
        font-size: 4rem;
    }

    .visual-elements .element {
        width: 40px;
        height: 40px;
    }

    .visual-elements .element i {
        font-size: 1rem;
    }

    /* 轮播控制按钮 */
    .slider-controls {
        bottom: 1rem;
        gap: 0.75rem;
    }

    .slider-btn {
        width: 36px;
        height: 36px;
    }

    .slider-dots .dot {
        width: 8px;
        height: 8px;
    }

    /* 内容区域 */
    section.py-5 {
        padding-top: 2rem !important;
        padding-bottom: 2rem !important;
    }

    h2.fw-bold {
        font-size: 1.35rem;
    }

    .lead {
        font-size: 1rem;
    }

    /* 卡片布局 */
    .card {
        margin-bottom: 1rem;
    }

    /* 图标框 */
    .icon-box {
        width: 50px;
        height: 50px;
    }

    .icon-box i {
        font-size: 1.5rem;
    }

    /* 按钮 */
    .btn-lg {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    /* CTA区域 */
    .cta-box .d-flex {
        flex-direction: column;
        gap: 0.75rem !important;
    }

    .cta-box .btn {
        width: 100%;
    }

    /* 页脚 */
    .footer-section h5 {
        font-size: 1rem;
    }

    .footer-section .list-unstyled li {
        font-size: 0.85rem;
    }
}

/* 小屏手机 (小于 576px) */
@media (max-width: 575.98px) {
    .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }

    .product-title {
        font-size: 1.1rem;
    }

    .product-features {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .product-features li {
        font-size: 0.85rem;
    }

    h2.fw-bold {
        font-size: 1.2rem;
    }

    .display-5 {
        font-size: 1.5rem;
    }
}

/* ==================== 图片自适应优化 ==================== */

/* 确保所有图片自适应 */
img {
    max-width: 100%;
    height: auto;
}

/* 产品图片容器 */
.product-image-col img,
.solution-image img,
.card-img-top {
    width: 100%;
    height: auto;
    object-fit: cover;
}

/* Hero区域图片 */
.hero-image img {
    max-width: 100%;
    height: auto;
}

/* 响应式图片尺寸 */
@media (max-width: 991.98px) {
    .product-image-col img {
        max-height: 350px;
    }
}

@media (max-width: 767.98px) {
    .product-image-col img {
        max-height: 250px;
    }

    .hero-image img {
        max-height: 300px;
    }
}

@media (max-width: 575.98px) {
    .product-image-col img {
        max-height: 200px;
    }

    .hero-image img {
        max-height: 220px;
    }
}