/* Font Face Declarations */
/* Acumin Pro Font - 支持多种字重 */
@font-face {
    font-family: 'AcuminPro', Arial, sans-serif;
    src: url('./Helvetica/Acumin-Pro-2.otf') format('opentype');
    font-weight: 100 900; /* 支持从100到900的所有字重 */
    font-style: normal;
    font-display: swap;
}

/* CSS Variables */
:root {
    --primary-color: #A5A5A5;
    --accent-color-1: #a93133;
    --accent-color-3: #a30003;
    --accent-color-2: #2B2E33;
    --background-color: #ffffff;
    --white: #FFFFFF;
    --e7grey:#ededed;
    --text-dark: #333333;
    --text-light: #666666;
    --container-width: 1600px;
    --sidebar-width: 320px;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'AcuminPro', Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-dark);
    line-height: 1.6;
    padding-top: 87px; /* Compensate for fixed header height + top info band */
}

/* Top and Bottom Info Bands */
.top-info-band, .bottom-info-band {
    background-color: var(--accent-color-1);
    height: 22px;
    width: 100%;
    display: flex;
    align-items: center;
}

.top-info-band {
    position: fixed;
    top: 0;
    z-index: 1001;
}

.bottom-info-band {
    position: relative;
}

.top-info-content, .bottom-info-content {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 0 20px;
}

.top-info-content {
    justify-content: flex-end;
    gap: 20px;
}

.bottom-info-content {
    justify-content: flex-start;
}

.email-info, .company-info, .whatsapp-info {
    color: var(--white);
    font-weight: normal;
    font-size: 13px;
    font-family: 'AcuminPro', Arial, sans-serif;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Email and WhatsApp link styles */
a.email-info, a.whatsapp-info {
    text-decoration: none;
    font-family: 'AcuminPro', Arial, sans-serif;
    transition: opacity 0.3s ease;
}

a.email-info {
    font-size: 14px;
}

a.email-info:hover, a.whatsapp-info:hover {
    opacity: 0.8;
    cursor: pointer;
}


/* 强制图标容器尺寸控制 */
.whatsapp-info svg, .email-info svg {
    flex-shrink: 0;
    width: 13px !important;
    height: 13px !important;
    max-width: 13px !important;
    max-height: 13px !important;
    min-width: 13px !important;
    min-height: 13px !important;
}

/* Safari 和 WebKit 特殊处理 */
@supports (-webkit-appearance: none) {
    .email-icon, .whatsapp-icon {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        backface-visibility: hidden;
        -webkit-backface-visibility: hidden;
    }
}

.email-icon, .whatsapp-icon {
    width: 13px;
    height: 13px;
    max-width: 13px;
    max-height: 13px;
    min-width: 13px;
    min-height: 13px;
    flex-shrink: 0;
    vertical-align: middle;
    display: inline-block;
    box-sizing: border-box;
    object-fit: contain;
}

.email-icon {
    stroke: var(--white);
    stroke-width: 2;
    fill: none;
}

.whatsapp-icon {
    fill: var(--white);
    stroke: none;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}



/* Header Styles */
.header {
    background-color:var(--e7grey);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 22px;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.header-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 20px;
    gap: 20px;
}

.logo-img {
    height: 50px;
    width: auto;
}

/* Logo Styles */
.logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
}

/* Navigation Styles */
.navigation {
    margin-left: auto;
    margin-right: 20px;
}

.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 8px;
}

.nav-item {
    position: relative;
}

.nav-item a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 16px;
    font-family: 'AcuminPro', Arial, sans-serif;
    padding: 15px 20px;
    display: block;
    transition: all 0.3s ease;
    border-radius: 8px;
    width: 130px;
    text-align: center;
    box-sizing: border-box;
    position: relative;
}

.nav-item a:hover {
    color: var(--accent-color-1);
    background-color: transparent;
}

.nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-color-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.nav-item a:hover::after {
    transform: scaleX(1);
}

.nav-item.active a {
    color: var(--text-dark);
    background-color: transparent;
}

/* Alternative Navigation Style - Text Color Change Only */
.nav-style-text-only .nav-item a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 400;
    font-size: 16px;
    font-family: 'AcuminPro', Arial, sans-serif;
    padding: 15px 20px;
    display: block;
    transition: color 0.3s ease;
    border-radius: 8px;
    width: 130px;
    text-align: center;
    box-sizing: border-box;
    position: relative;
}

.nav-style-text-only .nav-item a:hover {
    color: var(--accent-color-1);
    background-color: transparent;
    transform: none;
}

.nav-style-text-only .nav-item a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-color-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.nav-style-text-only .nav-item a:hover::after {
    transform: scaleX(1);
}

.nav-style-text-only .nav-item.active a {
    color: var(--text-dark);
    background-color: transparent;
    transform: none;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-left: -85px;
    transform: translateY(-10px);
    background-color: var(--e7grey);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    padding: 0;
    min-width: 280px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1001;
    border-radius: 0;
    overflow: hidden;
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    list-style: none;
}

.dropdown-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-dark);
    text-decoration: none;
    font-family: 'AcuminPro', Arial, sans-serif;
    font-size: 14px;
    transition: background-color 0.3s ease, color 0.3s ease;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
    position: relative;
    border-radius: 0;
}

/* 确保下拉菜单项没有色条动画效果 */
.dropdown-menu a::after {
    display: none !important;
}

.dropdown-menu a:hover {
    background-color: var(--accent-color-1);
    color: var(--e7grey);
}

/* Search Container */
.search-container {
    display: flex;
    align-items: center;
    background-color: var(--e7grey);
    border-radius: 6px;
    padding: 2px;
    border: 2px solid var(--primary-color);
    overflow: hidden;
    flex-shrink: 0;
}

.search-input {
    border: none;
    background: var(--e7grey);
    padding: 10px 15px;
    font-size: 14px;
    outline: none;
    width: 200px;
    font-family: 'AcuminPro', Arial, sans-serif;
    color: var(--text-dark);
}

.search-input::placeholder {
    color: #999;
    opacity: 0.7;
}

.search-btn {
    background-color: var(--accent-color-1);
    border: none;
    border-radius: 4px;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-left: 2px;
}

.search-btn:hover {
    background-color: #6b1f35;
}

.search-icon {
    width: 18px;
    height: 18px;
    color:var(--background-color) ;
    stroke-width: 2.5;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 200px);
}

/* Carousel Section */
.carousel-section {
    position: relative;
    width: 100%;
    height: 650px;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateX(100%);
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.6s ease;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Hover effects for carousel slides - only color change */
.carousel-slide:hover:not(.dragging) .slide-overlay {
    background: rgba(0, 0, 0, 0.2);
}

.carousel-slide.dragging {
    transition: none !important;
    cursor: grabbing !important;
    filter: brightness(0.9);
    transform-origin: center;
}

.carousel-wrapper.dragging {
    cursor: grabbing !important;
    user-select: none;
}

.carousel-wrapper.dragging .carousel-slide {
    transition: none !important;
}

/* 拖拽结束后的平滑过渡 */
.carousel-slide:not(.dragging) {
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), opacity 0.6s ease;
}

/* 拖拽边界视觉反馈 */
.carousel-slide.drag-boundary {
    filter: brightness(0.7) saturate(0.8);
    transform-origin: center;
}

/* 拖拽时的阴影效果 */
.carousel-slide.dragging.active {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 10;
}

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

.carousel-slide.prev {
    transform: translateX(-100%);
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    z-index: 1;
    transition: background 0.3s ease;
}

.slide-slogan {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3;
    text-align: center;
}

.slide-slogan h1 {
    font-size: 52px;
    font-weight: 750;
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    margin: 0;
    letter-spacing: 2.5px;
    white-space: nowrap;
}



/* Carousel Navigation Dots */
.carousel-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    z-index: 100;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.6);
    cursor: pointer;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.dot.active {
    background: white;
    border: 2px solid white;
    transform: scale(1.2);
}

.dot:hover {
    border-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.2);
}

/* Carousel Navigation Arrows */
.carousel-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-arrow:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-50%) scale(1.1);
}

.carousel-arrow.prev {
    left: 30px;
}

.carousel-arrow.next {
    right: 30px;
}

.carousel-arrow svg {
    width: 24px;
    height: 24px;
    stroke: white;
    stroke-width: 2;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color-2));
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 20px;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    background-color: var(--accent-color-1);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-family: 'AcuminPro', Arial, sans-serif;
    font-weight: 500;
}

.cta-button:hover {
    background-color: var(--accent-color-2);
}

/* About Page Specific Styles */
/* Hero Section for About Page */
.hero-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 80px 0;
    margin-bottom: 60px;
}

.hero-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-text {
    padding: 0 20px;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 700;
    color: var(--accent-color-2);
    margin-bottom: 15px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--accent-color-1);
    font-weight: 500;
    margin-bottom: 30px;
}

.hero-description {
    max-width: 800px;
    margin: 0 auto;
}

.lead-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-light);
    font-weight: 400;
}

/* Story Section */
.story-section {
    padding: 80px 0;
    background-color: var(--white);
    margin-bottom: 60px;
}

.story-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.story-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent-color-2);
    margin-bottom: 15px;
}

.story-intro {
    font-size: 1.2rem;
    color: var(--text-light);
    font-weight: 400;
    max-width: 600px;
    margin: 0 auto;
}

.story-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.story-card {
    background: #ffffff;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
}

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

.story-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color-2);
    margin-bottom: 20px;
    border-bottom: 2px solid var(--accent-color-1);
    padding-bottom: 10px;
}

.story-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light);
    font-weight: 400;
}

/* Culture Section */
.culture-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    margin-bottom: 60px;
}

.culture-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-header {
    text-align: center;
    margin-bottom: 30px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent-color-2);
    margin-bottom: 15px;
}

.culture-highlight {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 15px;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
    border-left: 5px solid var(--accent-color-1);
}

.culture-statement {
    font-size: 1.2rem;
    line-height: 1.8;
    color: var(--text-light);
    font-weight: 400;
    text-align: center;
    margin: 0;
}

/* Hero Image Section */
.hero-image-section {
    margin: 40px auto 40px;
    max-width: 900px;
    padding: 0 20px;
    display: flex;
    justify-content: center;
}

.hero-main-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    object-fit: cover;
}

/* Introduction Text Section */
.intro-text-section {
    max-width: 1000px;
    margin: 0 auto 60px;
    padding: 0 20px;
    text-align: center;
}

.intro-main-text {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--accent-color-2);
    margin-bottom: 15px;
    line-height: 1.4;
}

.intro-sub-text {
    font-size: 1.2rem;
    color: var(--text-light);
    line-height: 1.6;
    font-weight: 400;
}

/* Who We Are Section */
.who-we-are-section {
    padding: 40px 0;
    margin-bottom: 40px;
}

.who-we-are-layout {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    gap: 0;
    align-items: stretch;
}

.who-we-are-title {
    flex: 1;
    background-color: var(--accent-color-2);
    padding: 40px 30px;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.who-we-are-title h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--white);
    margin: 0;
    text-align: left;
}

.who-we-are-content {
    flex: 2;
    background-color: #f5f5f5;
    padding: 40px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.who-we-are-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-dark);
    margin-bottom: 20px;
    text-align: justify;
}

.who-we-are-content p:last-child {
    margin-bottom: 0;
}

/* Why Choose Us Section */
.why-choose-us-section {
    padding: 40px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 20px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    background: transparent;
    padding: 0;
    border: none;
    box-shadow: none;
    overflow: visible;
}

.feature-image {
    width: 100%;
    height: 350px;
    border-radius: 0;
    overflow: hidden;
    flex-shrink: 0;
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}

.feature-item:hover .feature-image img {
    transform: scale(1.08);
}

.feature-content {
    flex: 1;
    padding: 25px;
    display: flex;
    flex-direction: column;
}

.feature-content h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent-color-2);
    margin-bottom: 12px;
    border-bottom: 2px solid var(--accent-color-1);
    padding-bottom: 10px;
}

.feature-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-light);
    font-weight: 400;
    margin: 0;
}

/* Mission Section */
.mission-section {
    padding: 40px 0;
    margin-bottom: 40px;
}

.mission-layout {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0;
    display: flex;
    gap: 0;
    align-items: stretch;
}

.mission-content {
    flex: 2;
    background-color: var(--accent-color-1);
    padding: 40px 30px;
    display: flex;
    align-items: center;
    text-align: left;
}

.mission-content p {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--white);
    font-weight: 400;
    font-style: italic;
    margin: 0;
}

.mission-title {
    flex: 1;
    background-color: #e8e8e8;
    padding: 40px 30px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
}

.mission-title h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--accent-color-2);
    margin: 0;
    text-align: right;
}

/* Contact CTA Section */
.contact-cta-section {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--accent-color-1) 0%, var(--accent-color-3) 100%);
    margin-bottom: 40px;
    text-align: center;
}

.contact-cta-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-cta-content h2 {
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--white);
    margin-bottom: 20px;
}

.contact-cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 30px;
    line-height: 1.6;
}

.contact-cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: var(--white);
    color: var(--accent-color-1);
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.contact-cta-button:hover {
    background: var(--accent-color-2);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Responsive Design for About Page */
@media (max-width: 1024px) {
    .features-grid {
        gap: 25px;
    }
    
    .feature-image {
        height: 300px;
    }
    
    .intro-main-text {
        font-size: 1.6rem;
    }
}

@media (max-width: 768px) {
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .hero-image-section {
        max-width: 100%;
    }
    
    .hero-main-image {
        border-radius: 8px;
    }
    
    .intro-main-text {
        font-size: 1.4rem;
    }
    
    .intro-sub-text {
        font-size: 1.1rem;
    }
    
    .who-we-are-layout,
    .mission-layout {
        flex-direction: column;
        gap: 0;
        padding: 0 20px;
    }
    
    .who-we-are-title,
    .mission-title,
    .who-we-are-content,
    .mission-content {
        width: 100%;
        padding: 30px 20px;
    }
    
    .who-we-are-title {
        justify-content: center;
    }
    
    .mission-title {
        justify-content: center;
    }
    
    .who-we-are-title h2,
    .mission-title h2 {
        font-size: 2rem;
        text-align: center;
    }
    
    .who-we-are-content {
        justify-content: flex-start;
    }
    
    .who-we-are-content p {
        font-size: 1rem;
        text-align: left;
    }
    
    .mission-content {
        text-align: center;
        justify-content: center;
    }
    
    .mission-content p {
        font-size: 1.1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .feature-item {
        flex-direction: column;
    }
    
    .feature-image {
        width: 100%;
        height: 250px;
    }
    
    .mission-content p {
        font-size: 1.1rem;
    }
    
    .contact-cta-content h2 {
        font-size: 2rem;
    }
    
    .contact-cta-content p {
        font-size: 1.1rem;
    }
    
    .contact-cta-button {
        padding: 12px 30px;
        font-size: 1rem;
    }
    
    .story-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .story-card {
        padding: 30px 25px;
    }
    
    .culture-highlight {
        padding: 40px 30px;
    }
    
    .story-header h2,
    .section-header h2 {
        font-size: 2rem;
    }
}

/* Features Section */
.features {
    padding: 80px 0;
    background-color: var(--white);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 50px;
    color: var(--accent-color-2);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.feature-card {
    background-color: var(--background-color);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.feature-card h3 {
    color: var(--accent-color-1);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
}

/* Company Advantages Grid - Inverted Trapezoid Layout */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 30px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.advantage-card:nth-child(1) {
    grid-column: 1 / 3;
}

.advantage-card:nth-child(2) {
    grid-column: 3 / 5;
}

.advantage-card:nth-child(3) {
    grid-column: 5 / 7;
}

.advantage-card:nth-child(4) {
    grid-column: 2 / 4;
}

.advantage-card:nth-child(5) {
    grid-column: 4 / 6;
}

/* Responsive layout for smaller screens */
@media (max-width: 1024px) {
    .advantages-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 25px;
    }
    
    .advantage-card:nth-child(1) {
        grid-column: 1 / 3;
    }
    
    .advantage-card:nth-child(2) {
        grid-column: 3 / 5;
    }
    
    .advantage-card:nth-child(3) {
        grid-column: 1 / 3;
    }
    
    .advantage-card:nth-child(4) {
        grid-column: 3 / 5;
    }
    
    .advantage-card:nth-child(5) {
        grid-column: 2 / 4;
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantage-card:nth-child(n) {
        grid-column: 1;
    }
}

.advantage-card {
    background: linear-gradient(135deg, var(--white) 0%, var(--background-color) 100%);
    padding: 35px 25px;
    border-radius: 15px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color-1), var(--accent-color-2));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.advantage-card:hover::before {
    transform: scaleX(1);
}

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
    border-color: rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--accent-color-1), var(--accent-color-2));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.advantage-icon svg {
    color: var(--white);
    transition: transform 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.advantage-card:hover .advantage-icon svg {
    transform: scale(1.1);
}

.advantage-card h3 {
    color: var(--accent-color-2);
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
    line-height: 1.3;
}

.advantage-card p {
    color: var(--text-light);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Category Page Features Grid - matches product grid layout */
.category-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* Page Banner */
.page-banner {
    width: 100%;
    height: 200px;
    background: linear-gradient(rgba(64, 64, 64, 0.7), rgba(64, 64, 64, 0.7));
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    color: var(--white);
    position: relative;
    margin-top: 8px; /* 与固定页眉保持一点安全距离，避免视觉侵入 */
    margin-bottom: 40px;
}

/* 在需要让面包屑紧贴 banner 的页面使用紧凑模式 */
.page-banner.compact {
    margin-bottom: 0;
    background: transparent;
    color: var(--text-dark);
}

.page-banner.compact .banner-content h1 {
    color: var(--white);
}

/* Contact Page Banner - 独立样式 */
.contact-page-banner {
    height: 320px;
    background: linear-gradient(rgba(64, 64, 64, 0.7), rgba(64, 64, 64, 0.7)), url('Assets/Contact/contact.png');
}

.banner-content {
    text-align: center;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
    width: 100%;
}

.banner-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 0;
    letter-spacing: 2px;
}

.breadcrumb {
    display: none;
    font-size: 1.1rem;
    opacity: 0.9;
    background: #ffffff;
}

.breadcrumb a {
    color: var(--white);
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.breadcrumb a:hover {
    opacity: 0.7;
}

.breadcrumb span {
    margin: 0 10px;
}

/* 当面包屑放在 banner 下方时，左对齐并使用正文颜色 */
.page-banner + .breadcrumb {
    display: block;
    max-width: var(--container-width);
    margin: 4px auto 6px;
    padding: 0 0 0 80px; /* 向右移动距离A=60px (80px-20px) */
    font-size: 0.95rem; /* 稍微增大字号提升可读性 */
    line-height: 1.3;
    background: #ffffff;
}

.page-banner + .breadcrumb,
.page-banner + .breadcrumb a {
    color: var(--text-dark);
}

.page-banner + .breadcrumb span {
    color: var(--text-light);
}

/* Product Layout */
.product-layout {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    gap: 40px;
    padding: 0 20px;
    margin-bottom: 60px;
    align-items: flex-start;
}

.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    --sidebar-top-padding: 6px;
    padding: var(--sidebar-top-padding) 10px 0;
    position: sticky;
    top: 105px; /* 页眉高度 + 一些间距 */
    align-self: flex-start;
    z-index: 100;
    transition: all 0.3s ease;
}

/* 仅在 products 页面为侧栏容器增加顶部间距（变量化，便于随时微调） */
body.products-page {
    --sidebar-container-gap: 0px;
    /* 右侧内容顶部间距与左侧保持一致：侧栏顶部留白 + 容器顶部间距 */
    --content-top-gap: calc(var(--sidebar-top-padding, -20px) + var(--sidebar-container-gap, 0px));
}
body.products-page #sidebar-menu-container {
    margin-top: var(--sidebar-container-gap, 4px);
}
/* category 页面不增加容器顶部间距，避免与右侧分类头部的对齐偏差 */
body.category-page #sidebar-menu-container {
    margin-top: var(--sidebar-container-gap, 4px);
}
/* category 页面右侧内容顶部间距与侧栏顶部留白一致 */
body.category-page {
   --sidebar-container-gap: 20px;
    /* 右侧内容顶部间距与左侧保持一致：侧栏顶部留白 + 容器顶部间距 */
    --content-top-gap: calc(var(--sidebar-top-padding, -40px) + var(--sidebar-container-gap, 0px));
}



.product-tree {
    background: linear-gradient(135deg, var(--white) 0%, #fafafa 100%);
    border-radius: 12px;
    padding: 0 8px 8px; /* 顶部去内边距，使内容顶边与右侧卡片一致 */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
    border: 1px solid rgba(127, 38, 62, 0.08);
    position: relative;
    overflow: visible;
}

.product-tree::before {
    content: none;
}

.product-tree h3 {
    color: var(--accent-color-2);
    margin-bottom: 20px;
    margin-top: 0; /* 确保标题不增加顶部额外间距 */
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}



.tree-item {
    margin-bottom: 0px;
    border-radius: 0;
    overflow: visible;
    transition: none;
    border: none;
    position: relative;
}

.tree-item:hover {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

.tree-item.expanded {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
}

/* 新的菜单头部布局 */
.tree-header {
    display: flex;
    align-items: center;
    gap: 0px;
    padding: 0 2px;
    justify-content: space-between;
    transition: none;
    position: relative;
}

.tree-header:hover {
    background: transparent;
}

/* 展开/折叠按钮 */
.tree-toggle {
    background: transparent;
    border: none;
    color: #666;
    cursor: pointer;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: none;
    flex-shrink: 0;
    width: 14px;
    height: 14px;
}

.tree-toggle:hover {
    background: transparent;
}

.tree-toggle:focus {
    outline: none;
}

/* 大类链接 */
.category-link {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 2px 2px;
    text-decoration: none;
    color: var(--accent-color-2); /* 默认颜色与 hover 互换 */
    font-weight: 600;
    font-family: 'AcuminPro', Arial, sans-serif;
    transition: none;
    position: relative;
    background: transparent;
    border: none;
}

.category-link::before {
    content: none;
}

.category-link:hover {
    color: var(--accent-color-1); /* 悬停时改为主色 */
    background: transparent;
    text-decoration: none;
    border-color: transparent;
}

.category-link:hover::before {
    content: none;
}

.category-link:focus {
    outline: none;
}

/* 大类箭头指示器 */
.category-arrow {
    display: none;
    color: var(--accent-color-1);
}

/* 展开状态显示右侧箭头并应用主题色 */
.tree-item.expanded .category-arrow {
    display: inline;
    color: var(--accent-color-1);
}



/* 大类图标样式 */
.category-icon {
    display: inline-block;
    width: 18px;
    height: 18px;
    margin-right: 8px;
    object-fit: contain;
    flex-shrink: 0;
    transition: none;
    opacity: 1;
    transform: translateX(0);
}

/* 侧边栏菜单优化：图标尺寸、文字大小与间距 */
.sidebar .category-icon {
    width: 2em;
    height: 2em;
}

.sidebar .category-name {
    font-size: 17px;
    font-weight: 400;
    line-height: 1.2;
}

.sidebar .tree-header {
    gap: 6px;
}

.sidebar .category-link {
    padding: 4px 2px;
}

.sidebar .tree-toggle {
    width: 16px;
    height: 16px;
}

/* 移除悬停时图标和文字的移动效果 */
.category-link:hover .category-icon {
    /* 图标已隐藏，移除hover效果 */
}

.category-link:hover .category-name {
    /* 移除文字移动效果 */
    transform: translateX(0);
}

.tree-icon {
    font-weight: bold;
    font-size: 10px;
    width: 14px;
    height: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color-1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
}

.tree-icon::before {
    content: '▼';
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tree-item.expanded .tree-icon {
    color: var(--accent-color-1);
}

.tree-item.expanded .tree-icon::before {
    transform: rotate(180deg);
}

.category-name,
.subcategory-name {
    font-size: 16px;
    font-weight: 500;
    flex-grow: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tree-children {
    margin-left: 0; /* 子项容器不再额外缩进 */
    margin-top: 2px;
    overflow: hidden;
    transition: none;
    max-height: 0;
    opacity: 0;
    /* 子菜单左边与主类文字左边对齐：
       使用图标宽度 + 图标与文字间距作为容器左内边距。
       若未定义变量，回退为 `2em + 8px` 与当前图标样式一致。 */
    padding-left: calc(var(--category-icon-size, 2em) + var(--category-icon-gap, 8px));
    border-left: none;
    position: relative;
}

.tree-children::before {
    content: none;
}

.tree-item.expanded .tree-children {
    max-height: 1000px;
    opacity: 1;
    margin-bottom: 4px;
}

.tree-item.expanded .tree-children::before {
    height: 100%;
}

.tree-children a {
    display: block;
    color: var(--accent-color-1); /* 默认主色 */
    text-decoration: none;
    padding: 4px 2px; /* 与主类左边距对齐 */
    transition: none;
    border-radius: 4px;
    margin-bottom: 2px;
    font-size: 14px;
    font-weight: 500;
    position: relative;
    background: transparent;
    border: none;
}

.tree-children a::before {
    content: none;
}

.tree-children a:hover {
    color: var(--text-light); /* 悬停变为浅灰 */
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    padding-left: 2px; /* 保持与主类一致的左边距 */
}

.tree-children a:hover::before {
    opacity: 1;
    transform: translateY(-50%) scale(1.2);
    color: var(--accent-color-2);
}

.subcategory-link,
.product-link {
    border-left: none;
    transition: none;
    color: var(--accent-color-1); /* 默认主色，与 hover 互换 */
}

.subcategory-link:hover,
.product-link:hover {
    border-left-color: transparent;
    color: var(--text-light); /* 悬停变为浅灰 */
}

.contact-card {
    background: linear-gradient(135deg, var(--white) 0%, #fafafa 100%);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(127, 38, 62, 0.08);
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.contact-card::before {
    content: none; /* 移除顶部色条 */
    display: none;
}

.contact-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.1);
}

.contact-card h4 {
    color: var(--accent-color-2);
    margin-bottom: 16px;
    font-size: 1.3rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-card h4::before {
    content: '💬';
    font-size: 1.1rem;
}

.contact-card p {
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 14px;
    line-height: 1.5;
    font-weight: 400;
}

.contact-btn {
    display: flex; /* 作为块级 flex，便于居中 */
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    background: var(--accent-color-1); /* 统一为主色 */
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 8px rgba(127, 38, 62, 0.2);
    position: relative;
    overflow: hidden;
    margin: 0 auto; /* 居中 */
}

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

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

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(127, 38, 62, 0.3);
    text-decoration: none;
    color: white;
    background: var(--accent-color-1); /* hover 仍保持主色 */
}

.contact-btn::after {
    content: none; /* 移除箭头 */
    display: none;
}

.contact-btn:hover::after {
    transform: none; /* 无伪元素，无需位移 */
}

.main-content-area {
    flex: 1;
    max-width: calc(var(--container-width) - var(--sidebar-width) - 60px); /* 减去侧边栏宽度和间距 */
    margin-right: 20px; /* 与页眉右边距保持一致 */
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 30px;
}

/* Category Content Management */
.category-content {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

/* 对齐需求：Need Help 与第二行卡片顶部对齐（桌面） */
@media (min-width: 769px) {
    .contact-card {
        /* Need Help 紧随侧栏菜单模块，不再对齐第二排 */
        margin-top: 0;
    }
}

/* 对齐需求：category 页面右侧卡片顶部在分类头之后，左侧菜单同步下移 */
@media (min-width: 769px) {
    body.category-page .sidebar {
        /* 与右侧内容统一的顶部间距，避免过大空隙 */
        margin-top: var(--content-top-gap, 0px);
    }
}

.category-content.active {
    display: block;
}

/* 右侧内容顶部间距统一：与左侧 sidebar 顶部留白/容器间距一致 */
.main-content .category-content.active {
    margin-top: var(--content-top-gap, 10px);
}

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

/* Category Header */
.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 20px 0;
    border-bottom: 2px solid #e0e0e0;
}

.category-header h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin: 0;
}

.back-to-categories {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(52, 152, 219, 0.3);
}

.back-to-categories:hover {
    background: linear-gradient(135deg, #2980b9, #1f5f8b);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(52, 152, 219, 0.4);
}

/* Category Selector Active State */
.category-selector.active {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.category-selector.active .tree-icon {
    transform: rotate(45deg);
}

.product-item {
    background-color: var(--white);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.product-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.product-image {
    width: 100%;
    height: 200px;
    background-color: var(--background-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 0.9rem;
}

.product-info {
    padding: 15px;
}

.product-info h3 {
    color: var(--accent-color-2);
    font-size: 0.7rem;
    margin-bottom: 5px;
    font-weight: normal;
    text-align: center;
    line-height: 1.25;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.5em;
}

.product-info p {
    color: var(--text-light);
    font-size: 0.75rem;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 3em;
}

/* Footer */
.footer {
    background-color: #666666;
    color: var(--white);
    padding: 50px 0 30px 0;
    margin-top: 60px;
}

.footer-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 40px;
    padding: 0 20px;
    align-items: start;
}

.footer-column h3 {
    color: var(--white);
    font-weight: bold;
    font-size: 18px;
    margin-bottom: 20px;
    font-family: 'AcuminPro', Arial, sans-serif;
}

/* Products Column */
.footer-products .product-categories {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-products .category-item {
    margin-bottom: 6px;
}

.footer-products .category-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 400;
    font-size: 14px;
    display: block;
    padding: 4px 0;
    transition: all 0.3s ease;
    opacity: 0.9;
}

.footer-products .category-link:hover {
    color: var(--accent-color-1);
    opacity: 1;
    padding-left: 8px;
}

/* Legacy styles for backward compatibility */
.footer-products .category-group h4 {
    margin-bottom: 20px !important;
}

.footer-products .category-group h4 a {
    color: var(--white);
    text-decoration: none;
    font-weight: bold;
    font-size: 16px;
}

.footer-products .category-group h4 a:hover {
    color: var(--accent-color-1);
}

.footer-products ul {
    list-style: none;
    padding-left: 20px;
    margin: 0;
}

.footer-products ul li {
    margin-bottom: 5px;
}

.footer-products ul li a {
    color: var(--white);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.9;
}

.footer-products ul li a:hover {
    color: var(--accent-color-1);
    opacity: 1;
}

/* Contact Column */
.footer-contact p {
    margin: 0 0 6px;
    padding: 4px 0;
    font-size: 14px;
    line-height: 1.5;
    color: inherit;
}

.footer-contact p:last-child {
    margin-bottom: 0;
}

.footer-contact .contact-info p strong {
    font-weight: bold;
}

/* Social Media Column */
.footer-social .social-icons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.footer-social .social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social .social-icon:hover {
    background-color: var(--accent-color-1);
    transform: translateY(-2px);
}

.footer-social .social-icon svg {
    width: 20px;
    height: 20px;
}

/* Responsive Design */
@media (max-width: 1200px) {
    :root {
        --container-width: 100%;
    }
    
    .header-container {
        padding: 15px 20px;
    }
    
    .nav-menu {
        gap: 20px;
    }
}

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    z-index: 1002;
}

.hamburger-line {
    width: 25px;
    height: 3px;
    background-color: var(--text-dark);
    margin: 3px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hide mobile menu on desktop */
.mobile-menu {
    display: none;
}

@media (max-width: 768px) {
    /* Show mobile menu toggle */
    .mobile-menu-toggle {
        display: flex;
    }
    
    /* Show mobile menu on mobile devices */
    .mobile-menu {
        display: block;
    }
    
    /* Header adjustments */
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 10px 15px;
        position: relative;
    }
    
    .logo-img {
        height: 40px;
    }
    
    /* Hide desktop navigation on mobile */
    .navigation {
        display: none;
    }
    

    
    /* Search container adjustments */
    .search-container {
        display: none; /* Hide search on mobile header, can be added to mobile menu if needed */
    }
    
    /* Top info band adjustments */
    .top-info-band, .bottom-info-band {
        height: 25px;
    }
    
    .top-info-content, .bottom-info-content {
        padding: 0 15px;
        gap: 15px;
    }
    
    .email-info, .company-info, .whatsapp-info {
        font-size: 12px;
        color: #ffffff;
        font-weight: normal;
    }
    
    /* Mobile email and WhatsApp link styles */
    a.email-info, a.whatsapp-info {
        text-decoration: none;
        transition: opacity 0.3s ease;
    }
    
    a.email-info:hover, a.whatsapp-info:hover {
        opacity: 0.8;
    }
    
    .whatsapp-info {
        font-size: 11px;
    }
    
    /* 移动端强制图标容器尺寸控制 */
    .whatsapp-info svg, .email-info svg {
        flex-shrink: 0;
        width: 14px !important;
        height: 14px !important;
        max-width: 14px !important;
        max-height: 14px !important;
        min-width: 14px !important;
        min-height: 14px !important;
    }
    
    .email-icon, .whatsapp-icon {
        width: 14px;
        height: 14px;
        max-width: 14px;
        max-height: 14px;
        min-width: 14px;
        min-height: 14px;
        flex-shrink: 0;
        vertical-align: middle;
        display: inline-block;
        box-sizing: border-box;
        object-fit: contain;
    }
    
    .email-icon {
        stroke: #ffffff;
        fill: none;
    }
    
    .whatsapp-icon {
        fill: #ffffff;
        stroke: none;
    }
    
    /* Header positioning */
    .header {
        top: 20px;
    }
    
    body {
        padding-top: 85px; /* Adjust for mobile header height */
    }
    
    /* Footer adjustments */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 25px;
        text-align: left;
        padding: 0 15px;
    }
    
    .footer-column {
        margin-bottom: 20px;
    }
    
    .footer-column h3 {
        font-size: 16px;
        margin-bottom: 15px;
        color: var(--text-dark);
        border-bottom: 2px solid var(--accent-color-1);
        padding-bottom: 8px;
    }
    
    .footer-products ul,
    .footer-contact ul {
        padding-left: 0;
    }
    
    .footer-products ul li,
    .footer-contact ul li {
        margin-bottom: 20px !important;
        font-size: 14px;
        line-height: 1.5;
    }
    
    .footer-contact {
        text-align: left;
    }
    
    .footer-contact h3 {
        text-align: left;
    }
    
    .footer-contact .contact-info {
        padding: 0;
        width: 100%;
    }
    
    .footer-contact p {
        font-size: 18px;
        line-height: 1.6;
        margin-bottom: 10px;
        margin-left: 0;
        padding-left: 0;
        text-align: left;
    }
    
    .footer-social {
        text-align: center;
        padding-top: 20px;
        border-top: 1px solid #eee;
        margin-top: 20px;
    }
    
    .footer-social h3 {
        text-align: center;
        margin-bottom: 15px;
    }
    
    .footer-social .social-icons {
        justify-content: center;
        gap: 15px;
    }
    
    .social-icon {
        width: 40px;
        height: 40px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .footer {
        padding: 25px 0 15px 0;
    }
    
    /* Bottom info band mobile adjustments */
    .bottom-info-band {
        text-align: center;
        padding: 8px 15px;
    }
    
    .bottom-info-content {
        flex-direction: column;
        gap: 5px;
        align-items: center;
    }
    
    .company-info {
        font-size: 11px;
        line-height: 1.4;
    }
    
    /* Other mobile adjustments */
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .product-layout {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* Mobile Menu Styles */
    .mobile-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        z-index: 9999;
        visibility: hidden;
        opacity: 0;
        transition: all 0.3s ease;
    }
    
    .mobile-menu.active {
        visibility: visible;
        opacity: 1;
    }
    
    .mobile-menu-overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(2px);
    }
    
    .mobile-menu-content {
        position: absolute;
        top: 0;
        right: 0;
        width: 280px;
        height: 100%;
        background-color: #fff;
        box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
        transform: translateX(100%);
        transition: transform 0.3s ease;
        overflow-y: auto;
    }
    
    .mobile-menu.active .mobile-menu-content {
        transform: translateX(0);
    }
    
    .mobile-menu-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        border-bottom: 1px solid #eee;
        background-color: #f8f9fa;
    }
    
    .mobile-logo {
        height: 40px;
        width: auto;
    }
    
    .mobile-menu-close {
        background: none;
        border: none;
        font-size: 24px;
        color: #666;
        cursor: pointer;
        padding: 5px;
        line-height: 1;
    }
    
    .mobile-nav-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    
    .mobile-nav-item {
        border-bottom: 1px solid #eee;
    }
    
    .mobile-nav-link {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
        color: #333;
        text-decoration: none;
        font-size: 16px;
        font-weight: 600;
        font-family: 'AcuminPro', Arial, sans-serif;
        transition: background-color 0.3s ease;
    }
    
    .mobile-nav-link:hover {
        background-color: #f8f9fa;
        color: #007bff;
    }
    
    .submenu-icon {
        font-size: 12px;
        transition: transform 0.3s ease;
    }
    
    .mobile-submenu {
        list-style: none;
        padding: 0;
        margin: 0;
        background-color: #f8f9fa;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .mobile-submenu.active {
        max-height: 300px;
    }
    
    .mobile-submenu-link {
        display: block;
        padding: 12px 40px;
        color: #666;
        text-decoration: none;
        font-size: 14px;
        transition: background-color 0.3s ease;
    }
    
    .mobile-submenu-link:hover {
        background-color: #e9ecef;
        color: #007bff;
    }
    
    /* Prevent body scroll when mobile menu is open */
    body.mobile-menu-open {
        overflow: hidden;
    }
    
    /* 轮播图标题移动端样式 */
    .slide-slogan h1 {
        font-size: 24px;
        letter-spacing: 1px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        max-width: 90vw;
    }
}

/* Additional mobile optimizations for smaller screens */
@media (max-width: 480px) {
    .mobile-menu-content {
        width: 100%;
        max-width: 320px;
    }
    
    .header-container {
        padding: 8px 10px;
    }
    
    .logo-img {
        height: 35px;
    }
    
    .top-info-band, .bottom-info-band {
        height: 20px;
        font-size: 10px;
    }
    
    .footer-container {
        gap: 20px;
        padding: 0 10px;
    }
    
    .footer-column h3 {
        font-size: 15px;
    }
    
    .footer-products ul li,
    .footer-contact ul li {
        font-size: 13px;
    }
    
    .footer-contact p {
        font-size: 13px;
    }
    
    .company-info {
        font-size: 10px;
    }
    
    .container {
        padding: 0 10px;
    }
    
    body {
        padding-top: 75px;
    }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .mobile-nav-link,
    .mobile-submenu-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .mobile-menu-toggle {
        min-width: 44px;
        min-height: 44px;
    }
    
    .mobile-menu-close {
        min-width: 44px;
        min-height: 44px;
    }
}

/* Contact Form Styles */
.contact-form {
    background: transparent;
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
}

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

.btn-submit {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-submit:hover {
    background: var(--accent-color-1);
}

/* Contact Info Styles */
.contact-info {
    padding: 2rem;
}

.contact-info h2 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.info-section {
    margin-bottom: 2rem;
}

.info-section h3 {
    color: var(--accent-color-1);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.info-section p {
    margin-bottom: 0.5rem;
    color: var(--text-light);
}

/* Old map-placeholder style removed to avoid conflicts with enhanced contact page styles */

/* Product Detail Page Styles */
.product-overview {
    margin-bottom: 3rem;
}

.product-header {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
    align-items: start;
}

@media (max-width: 768px) {
    .product-header {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

.product-image-main {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* 产品图片展示样式 */
.product-image-gallery {
    width: 100%;
}

.main-image-container {
    width: 100%;
    height: 500px;
    background: #f8f9fa;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #e9ecef;
}

.main-product-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.main-product-image:hover {
    transform: none; /* 移除主图悬停放大效果 */
}

.thumbnail-container {
    width: 100%;
}

.thumbnail-list {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding: 0.5rem 0;
    scrollbar-width: thin;
    scrollbar-color: #ccc transparent;
    justify-content: center; /* 缩略图居中显示 */
}

.thumbnail-list::-webkit-scrollbar {
    height: 4px;
}

.thumbnail-list::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 2px;
}

.thumbnail-list::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 2px;
}

.thumbnail-list::-webkit-scrollbar-thumb:hover {
    background: #999;
}

.thumbnail-item {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
    background: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-item:hover {
    border-color: var(--accent-color-1);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.thumbnail-item.active {
    border-color: var(--accent-color-1);
    box-shadow: 0 0 0 1px var(--accent-color-1);
}

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

.product-placeholder {
    width: 100%;
    height: 300px;
    background: #f5f5f5;
    border: 2px dashed #ccc;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 1.2rem;
    border-radius: 4px;
}

.product-summary {
    padding: 1rem 0;
}

.product-summary h2 {
    color: var(--text-dark);
    margin-bottom: 1rem;
    font-size: 2rem;
    font-weight: 600;
    line-height: 1.3;
}

.product-subtitle {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.product-highlights ul {
    list-style: none;
    padding: 0;
    margin-bottom: 2rem;
}

.product-highlights li {
    padding: 0.5rem 0;
    color: var(--text-light);
    position: relative;
    padding-left: 1.5rem;
}

.product-highlights li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color-1);
    font-weight: bold;
}

.product-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary, .btn-secondary {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    min-width: 140px;
}

.btn-primary {
    background: var(--accent-color-1);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
    background: var(--accent-color-2);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-secondary {
    background: white;
    color: var(--accent-color-1);
    border: 2px solid var(--accent-color-1);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
    background: var(--accent-color-1);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    border: 2px solid var(--accent-color-1);
}

.btn-secondary:hover {
    background: var(--accent-color-1);
    color: white;
}

/* 详情内容区域样式 */
.detail-section {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 2rem;
    margin-bottom: 2rem;
}

.detail-section h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    border-bottom: 2px solid var(--accent-color-1);
    padding-bottom: 0.5rem;
}

.detail-content {
    line-height: 1.6;
}

.detail-content p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.detail-image {
    max-width: 100%;
    height: auto;
    margin: 1rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

/* 产品联系信息样式 */
.product-contact {
    background: #f8f9fa;
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    border-left: 4px solid var(--accent-color-1);
}

.product-contact p {
    margin: 0.5rem 0;
    color: var(--text-dark);
}

/* 关联产品样式 */
.related-products {
    margin-top: 3rem;
}

.related-products h3 {
    color: var(--text-dark);
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.product-card {
    background: white;
    border-radius: 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.product-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.product-card h4 {
    padding: 1rem 1rem 0.5rem;
    color: var(--text-dark);
    font-size: 0.8rem;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    height: 1.2em;
}

.product-card p {
    padding: 0 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 2.8em;
}

.product-card .btn-secondary {
    margin: 1rem;
    display: block;
    text-align: center;
}

/* Tabs Styles */
.product-details {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    margin-bottom: 3rem;
}

.tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 1px solid #ddd;
}

.tab-button {
    flex: 1;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-button:hover {
    background: #e9ecef;
}

.tab-button.active {
    background: white;
    color: var(--accent-color-1);
    border-bottom-color: var(--accent-color-1);
    font-weight: 600;
}

.tab-content {
    display: none;
    padding: 2rem;
}

.tab-content.active {
    display: block;
}

.tab-content h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.tab-content h4 {
    color: var(--accent-color-1);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.tab-content h5 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.benefit-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color-1);
}

/* Specifications Table */
.spec-table {
    overflow-x: auto;
    margin-top: 1.5rem;
}

.spec-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
}

.spec-table th,
.spec-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.spec-table th {
    background: #f8f9fa;
    color: var(--text-dark);
    font-weight: 600;
}

.spec-table tr:hover {
    background: #f8f9fa;
}

/* Features List */
.features-list {
    display: grid;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.feature-item {
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color-2);
}

/* Applications Page Styles */
.applications-intro {
    text-align: center;
    margin-bottom: 4rem;
    padding: 3rem 0;
    background: linear-gradient(135deg, var(--background-color) 0%, white 100%);
    border-radius: 12px;
}

.applications-intro h2 {
    color: var(--accent-color-2);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.applications-intro p {
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 800px; /* 加宽25%（原 680px）提高承载能力 */
    margin: 0 auto; /* 文本块居中摆放 */
    line-height: 1.8;
    text-align: left; /* 左对齐，不拉伸空格，提高可读性 */
    text-indent: 2em; /* 首行缩进 */
    hyphens: auto; /* 英文自动断词，减少不自然的空格 */
    overflow-wrap: break-word; /* 长词必要时换行，避免大间隙 */
}

/* Applications Grid */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2.5rem;
    margin: 4rem 0;
}

.application-item {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(165, 165, 165, 0.1);
}

.application-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

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

.application-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.application-item:hover .application-image img {
    transform: scale(1.05);
}

.application-content {
    padding: 2.5rem;
}

.application-content h3 {
    color: var(--accent-color-2);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.application-content p {
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.application-content ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.application-content ul li {
    color: var(--text-dark);
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(165, 165, 165, 0.1);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.95rem;
}

.application-content ul li:before {
    content: "▶";
    color: var(--accent-color-1);
    position: absolute;
    left: 0;
    top: 0.5rem;
    font-size: 0.8rem;
}

.application-content ul li:last-child {
    border-bottom: none;
}

/* Case Studies Section */
.case-studies {
    background: linear-gradient(135deg, var(--accent-color-2) 0%, var(--accent-color-1) 100%);
    color: white;
    padding: 4rem 0;
    margin: 4rem 0;
    border-radius: 15px;
}

.case-studies h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: bold;
}

.case-study-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.case-study {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.case-study:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-5px);
}

.case-study h3 {
    color: var(--primary-color);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.case-study p {
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.case-study-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: bold;
    padding: 0.5rem 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    transition: all 0.3s ease;
    display: inline-block;
}

.case-study-link:hover {
    background: var(--primary-color);
    color: var(--accent-color-2);
    transform: translateY(-2px);
}

/* Responsive Design for Applications */
@media (max-width: 1024px) {
    .applications-grid {
        grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .applications-intro {
        padding: 2rem 1rem;
        margin-bottom: 3rem;
    }
    
    .applications-intro h2 {
        font-size: 2rem;
    }
    
    .applications-intro p {
        font-size: 1.1rem;
    }
    
    .applications-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 3rem 0;
    }
    
    .application-content {
        padding: 2rem;
    }
    
    .case-studies {
        padding: 3rem 0;
        margin: 3rem 0;
    }
    
    .case-studies h2 {
        font-size: 2rem;
    }
    
    .case-study-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
}

/* Search Results Styles */
.search-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding: 20px 0;
    border-bottom: 2px solid #e0e0e0;
}

.search-header h2 {
    color: #2c3e50;
    font-size: 1.8rem;
    margin: 0;
}

.search-count {
    color: var(--text-light);
    font-size: 1rem;
    margin: 5px 0 0 0;
}

.clear-search {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(231, 76, 60, 0.3);
}

.clear-search:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(231, 76, 60, 0.4);
}

/* No Results Styles */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-light);
    grid-column: 1 / -1;
}

.no-results h3 {
    color: var(--accent-color-2);
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.no-results p {
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Product Card Template Styles */
.product-item[data-product-type="category"] {
    border-left: none;
}

.product-item[data-product-type="subcategory"] {
    border-left: none;
}

.product-item[data-product-type="category"]:hover {
    border-left: none;
}

.product-item[data-product-type="subcategory"]:hover {
    border-left: none;
}

/* Enhanced Product Image Placeholder */
.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--background-color), #e8e8e8);
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 0;
    transition: all 0.3s ease;
}

.product-item:hover .product-image-placeholder {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color-1));
    color: white;
}

/* Search Input Enhancement */
.search-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(165, 165, 165, 0.3);
}

.search-container:focus-within {
    border-color: var(--accent-color-1);
    box-shadow: 0 0 0 3px rgba(127, 38, 62, 0.1);
}

/* Category Content Animation */
.category-content {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

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

/* Product Grid Responsive Enhancement */
@media (max-width: 1200px) {
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .search-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .search-header h2 {
        font-size: 1.5rem;
    }
    
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .category-header h2 {
        font-size: 1.5rem;
    }
}

/* Support Resources */
.support-resources {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.resource-item {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
}

.resource-item h4 {
    color: var(--accent-color-1);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.resource-item ul {
    list-style: none;
    padding: 0;
}

.resource-item li {
    padding: 0.25rem 0;
}

.resource-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.resource-item a:hover {
    color: var(--accent-color-1);
}

/* Related Products */
.related-products {
    margin-top: 3rem;
}

.related-products h3 {
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

/* Enhanced Product Tree for Product Pages */
.tree-item .tree-item {
    margin-left: 1rem;
}

.tree-item .tree-item .tree-toggle {
    font-size: 0.9rem;
    padding: 0.4rem 0.8rem;
}

.tree-item .tree-item .tree-children {
    margin-left: 1rem;
}

.tree-item .tree-item .tree-children a {
    font-size: 0.85rem;
    padding: 0.3rem 0.8rem;
}

/* Sidebar 对齐规则：展开后子类左边与主类对齐 */
.sidebar .tree-item .tree-item,
.sidebar .tree-item .tree-item .tree-children {
    margin-left: 0;
}

.sidebar .tree-item .tree-item .tree-children a {
    font-size: 14px;
    padding: 4px 2px;
}

/* Product Detail Page Styles */
.product-detail {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.product-header {
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.product-header h1 {
    color: var(--accent-color-2);
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.product-category {
    color: var(--accent-color-1);
    font-size: 1.1rem;
    font-weight: 500;
}

.product-content {
    display: grid;
    gap: 2rem;
}

.product-overview,
.product-specifications,
.product-features,
.product-applications,
.product-usage-scope {
    background: #fafafa;
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid var(--accent-color-1);
}

.product-overview h3,
.product-specifications h3,
.product-features h3,
.product-applications h3 {
    color: var(--accent-color-2);
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.product-overview p {
    color: var(--text-dark);
    font-size: 1.1rem;
    line-height: 1.7;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

.specs-table td {
    padding: 0.8rem;
    border-bottom: 1px solid #ddd;
    vertical-align: top;
}

.specs-table td:first-child {
    font-weight: bold;
    color: var(--accent-color-2);
    width: 30%;
    background: #f8f8f8;
}

.specs-table td:last-child {
    color: var(--text-dark);
}

.features-list,
.applications-list {
    list-style: none;
    padding: 0;
}

.features-list li,
.applications-list li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-dark);
    font-size: 1rem;
}

.features-list li:before,
.applications-list li:before {
    content: "▶";
    color: var(--accent-color-1);
    position: absolute;
    left: 0;
    top: 0.5rem;
}

.product-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid #eee;
}

.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--accent-color-1);
    color: var(--white);
}

.btn-primary:hover {
    background-color: #6b1f32;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(127, 38, 62, 0.3);
}

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

.btn-secondary:hover {
    background-color: #8a8a8a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(165, 165, 165, 0.3);
}

/* About Page Specific Styles */
.products-section {
    background: white;
    padding: 4rem 0;
    margin: 3rem 0;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
}

.products-section h2 {
    text-align: center;
    color: var(--accent-color-2);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
}

.section-intro {
    text-align: center;
    color: var(--text-light);
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
    padding: 0 2rem;
}

.product-category {
    background: var(--background-color);
    border-radius: 0;
    overflow: hidden;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.product-category:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}

.category-image {
    height: 220px;
    overflow: hidden;
}

.category-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.category-content {
    padding: 2rem;
}

.category-content h3 {
    color: var(--accent-color-2);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: normal;
}

.category-content p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.85rem;
}

/* Contact Section Styles */
.contact-section {
    background: linear-gradient(135deg, var(--accent-color-2) 0%, var(--accent-color-1) 100%);
    color: white;
    padding: 4rem 0;
    margin: 3rem 0;
    border-radius: 12px;
}

.contact-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    font-weight: bold;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    padding: 0 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.contact-info h3,
.business-info h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: white;
    font-weight: bold;
}

.contact-details {
    background: rgba(255,255,255,0.1);
    padding: 2rem;
    border-radius: 10px;
    backdrop-filter: blur(10px);
}

.contact-item {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.contact-item strong {
    color: var(--primary-color);
    display: inline-block;
    min-width: 80px;
}

.advantages-list {
    list-style: none;
    padding: 0;
}

.advantages-list li {
    background: rgba(255,255,255,0.1);
    margin-bottom: 1rem;
    padding: 1.2rem;
    border-radius: 8px;
    border-left: 4px solid var(--primary-color);
    backdrop-filter: blur(10px);
    font-size: 1rem;
    line-height: 1.6;
}

.advantages-list li strong {
    color: var(--primary-color);
    display: block;
    margin-bottom: 0.5rem;
}

/* Responsive Design for About Page */
@media (max-width: 1024px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 2rem;
        padding: 0 1rem;
    }
}

@media (max-width: 768px) {
    .products-section,
    .contact-section {
        margin: 2rem 0;
        padding: 3rem 0;
    }
    
    .products-section h2,
    .contact-section h2 {
        font-size: 2rem;
    }
    
    .section-intro {
        font-size: 1.1rem;
        padding: 0 1rem;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        padding: 0 1rem;
    }
    
    .contact-grid {
        padding: 0 1rem;
    }
    
    .contact-details {
        padding: 1.5rem;
    }
    
    .advantages-list li {
        padding: 1rem;
    }
}

/* Responsive Design for Product Detail */
@media (max-width: 768px) {
    .product-detail {
        margin: 1rem;
        padding: 1rem;
    }
    
    .product-header h1 {
        font-size: 2rem;
    }
    
    .product-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
}

/* Enhanced Contact Page Styles */
.contact-layout {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin: 2rem auto 0;
    max-width: var(--container-width);
    width: 100%;
    padding: 0 20px;
}

/* Contact Form Section Enhanced */
.contact-form-section {
    background: transparent;
    padding: 4rem 4rem 3rem 4rem;
    width: 100%;
    max-width: 100%;
    margin-top: -100px;
}

.contact-form-section h2 {
    color: var(--accent-color-2);
    font-size: 0.9rem; /* 与 EMAIL 标题一致 */
    margin-bottom: 0.1rem;
    margin-top: calc(2rem + 30px);
    margin-left: 30px;
    font-weight: bold;
    text-align: left;
}

.contact-form-section p {
    color: var(--text-light);
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.contact-form .form-row:first-of-type {
    grid-template-columns: 1fr;
}

.contact-form .form-row:last-of-type {
    grid-template-columns: 1fr;
}

.contact-form .form-group {
    margin-bottom: 2rem;
    position: relative;
}

.contact-form .form-group label {
    display: block;
    margin-bottom: 0.75rem;
    font-weight: 500;
    color: #374151;
    font-size: 0.95rem;
    letter-spacing: 0.025em;
    line-height: 1.4;
}

.contact-form .form-group input,
.contact-form .form-group select,
.contact-form .form-group textarea,
.contact-form .form-row input,
.contact-form .form-row textarea {
    width: 100%;
    padding: 0.6rem 4.8rem 0.6rem 1rem;
    border: 1px solid #e0e6ed;
    border-radius: 0;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    text-align: left;
    color: #6b7280;
}

.contact-form .form-group input::placeholder,
.contact-form .form-group textarea::placeholder,
.contact-form .form-row input::placeholder,
.contact-form .form-row textarea::placeholder {
    color: #6b7280;
    font-weight: 400;
}

.contact-form .form-group input:focus,
.contact-form .form-group select:focus,
.contact-form .form-group textarea:focus,
.contact-form .form-row input:focus,
.contact-form .form-row textarea:focus {
    outline: none;
    border-color: var(--accent-color-1);
    background: white;
    box-shadow: 0 0 0 2px rgba(255, 193, 7, 0.1);
}

.contact-form .form-group input:hover,
.contact-form .form-group select:hover,
.contact-form .form-group textarea:hover,
.contact-form .form-row input:hover,
.contact-form .form-row textarea:hover {
    border-color: #c1c9d2;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.contact-form .form-group textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.6;
}

.submit-btn {
    background: var(--accent-color-1);
    color: white;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 0;
    font-size: 0.875rem;
    font-weight: 400;
    cursor: pointer;
    transition: background-color 0.3s ease;
    width: auto;
    display: inline-block;
}

.submit-btn:hover {
    background: var(--accent-color-3);
    color:rgb(217, 217, 217);
}

.submit-btn:active {
    background:var(--accent-color-3);
    color: rgb(102, 102, 102);
}

/* Contact Info Section Enhanced */
.contact-info-section {
    background: linear-gradient(135deg, var(--accent-color-2) 0%, var(--accent-color-1) 100%);
    color: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.contact-info-section h2 {
    color: white;
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: bold;
    text-align: center;
}

.contact-info-item {
    background: rgba(255,255,255,0.1);
    padding: 1.5rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
    position: relative;
}

.contact-info-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-2px);
}

.contact-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

.contact-info-item h3 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    font-weight: bold;
}

.contact-info-item p {
    line-height: 1.6;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.contact-info-item ul {
    list-style: none;
    padding: 0;
    margin: 0.5rem 0 0 0;
}

.contact-info-item ul li {
    padding: 0.3rem 0;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Map Section Enhanced */
.map-section {
    margin: 4rem 0;
    text-align: center;
}

.map-section h2 {
    color: var(--accent-color-2);
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-weight: bold;
}

.map-placeholder {
    background: linear-gradient(135deg, #f8f9fa 0%, white 100%);
    border: 2px solid rgba(165, 165, 165, 0.1);
    border-radius: 15px;
    padding: 3rem;
    box-shadow: 0 5px 25px rgba(0,0,0,0.1);
}

.map-content h3 {
    color: var(--accent-color-2);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: bold;
}

.map-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.location-details {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    margin-top: 2rem;
    box-shadow: 0 3px 15px rgba(0,0,0,0.1);
    text-align: left;
    max-width: 600px;
    margin: 2rem auto 0;
}

.location-details p {
    color: var(--accent-color-2);
    font-weight: bold;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.location-details ul li {
    color: var(--text-dark);
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(165, 165, 165, 0.1);
    font-size: 1rem;
    line-height: 1.5;
}

.location-details ul li:last-child {
    border-bottom: none;
}

/* Responsive Design for Contact Page */
@media (max-width: 1024px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .contact-layout {
        gap: 2rem;
        margin: 2rem 0;
    }
    
    .contact-form-section,
    .contact-info-section {
        padding: 2rem;
    }
    
    .contact-form-section h2 {
        font-size: 0.9rem; /* 移动端也保持与 EMAIL 标题一致 */
    }
    .contact-info-section h2 {
        font-size: 1.8rem;
    }
    
    .contact-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .map-section {
        margin: 3rem 0;
    }
    
    .map-section h2 {
        font-size: 2rem;
    }
    
    .map-placeholder {
        padding: 2rem;
    }
    
    .location-details {
        padding: 1.5rem;
        margin: 1.5rem auto 0;
    }
}

/* Social Media Modal Styles */
.social-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.social-modal-content {
    background-color: #ffffff;
    margin: 10% auto;
    padding: 0;
    border-radius: 12px;
    width: 90%;
    max-width: 400px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

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

.social-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #e0e0e0;
    background-color: #f8f9fa;
    border-radius: 12px 12px 0 0;
}

.social-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
    color: #333;
    font-family: 'AcuminPro', Arial, sans-serif;
}

.social-modal-close {
    font-size: 28px;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    line-height: 1;
    transition: color 0.3s ease;
}

.social-modal-close:hover {
    color: #333;
}

.social-modal-body {
    padding: 25px;
}

.social-option {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    margin-bottom: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: #ffffff;
}

.social-option:last-child {
    margin-bottom: 0;
}

.social-option:hover {
    border-color: #007bff;
    background-color: #f8f9ff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.15);
}

.social-icon {
    width: 24px;
    height: 24px;
    margin-right: 15px;
    flex-shrink: 0;
}

.whatsapp-color {
    color: #25D366;
}

.telegram-color {
    color: #0088cc;
}

.weixin-color {
    color: #07C160;
}

.social-option span {
    font-size: 16px;
    font-weight: 500;
    color: #333;
    font-family: 'AcuminPro', Arial, sans-serif;
}

/* Mobile responsive for social modal */
@media (max-width: 768px) {
    .social-modal-content {
        margin: 20% auto;
        width: 95%;
        max-width: 350px;
    }
    
    .social-modal-header {
        padding: 15px 20px;
    }
    
    .social-modal-header h3 {
        font-size: 16px;
    }
    
    .social-modal-body {
        padding: 20px;
    }
    
    .social-option {
        padding: 12px 15px;
    }
    
    .social-icon {
        width: 20px;
        height: 20px;
        margin-right: 12px;
    }
    
    .social-option span {
        font-size: 14px;
    }
}

/* iOS Safari 和跨浏览器兼容性修复 */
@supports (-webkit-touch-callout: none) {
    .top-info-band {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
    
    .whatsapp-info svg, .email-info svg {
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
        will-change: transform;
    }
}

/* 防止图标在某些浏览器中被拉伸 */
.top-info-content svg {
    display: block;
    flex-shrink: 0;
    overflow: hidden;
}

/* 确保容器不会影响图标尺寸 */
.whatsapp-info, .email-info {
    overflow: hidden;
    line-height: 1;
}

/* 额外的图标尺寸保护 */
svg.whatsapp-icon, svg.email-icon {
    width: 16px !important;
    height: 16px !important;
    max-width: 16px !important;
    max-height: 16px !important;
    min-width: 16px !important;
    min-height: 16px !important;
    flex: none !important;
}

/* 移动端图标尺寸保护 */
@media (max-width: 768px) {
    svg.whatsapp-icon, svg.email-icon {
        width: 14px !important;
        height: 14px !important;
        max-width: 14px !important;
        max-height: 14px !important;
        min-width: 14px !important;
        min-height: 14px !important;
    }
}

/* ==================== Business Chat Component Styles ==================== */

/* Business Chat Container */
#business-chat-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
    font-family: 'AcuminPro', Arial, sans-serif;
}

/* Chat Trigger Button */
.chat-trigger {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--accent-color-1);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(127, 38, 62, 0.3);
    user-select: none;
    will-change: transform;
}

.chat-trigger:hover {
    background: linear-gradient(135deg, var(--accent-color-1), #a0344a);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(127, 38, 62, 0.4);
}

.chat-trigger:active {
    transform: translateY(-1px) scale(1.02);
}

.chat-icon {
    width: 28px;
    height: 28px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.1));
}

.chat-notification {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ff4757;
    color: white;
    font-size: 11px;
    font-weight: bold;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid white;
    box-shadow: 0 2px 8px rgba(255, 71, 87, 0.3);
}

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { 
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(255, 71, 87, 0.3);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 4px 12px rgba(255, 71, 87, 0.5);
    }
    100% { 
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(255, 71, 87, 0.3);
    }
}

/* Chat Window */
.chat-window {
    position: absolute;
    bottom: 20px;
    right: 0;
    width: 300px;
    height: 400px;
    background: white;
    border-radius: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(20px) scale(0.95);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform, opacity;
}

.chat-window[style*="block"] {
    display: flex;
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, var(--accent-color-1), #a0344a);
    color: white;
    padding: 25px 20px 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-radius: 0;
}

.chat-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
    font-weight: 600;
}

.title-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.title-main {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.2;
}

.title-sub {
    font-size: 12px;
    font-weight: 400;
    opacity: 0.8;
    line-height: 1.2;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4CAF50;
    border-radius: 50%;
    animation: statusPulse 2s infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.chat-close {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: white;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
    font-size: 18px;
    line-height: 1;
    width: 32px;
    height: 32px;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.agent-avatar {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.agent-avatar svg {
    width: 20px;
    height: 20px;
}

.agent-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.agent-name {
    font-size: 14px;
    font-weight: 600;
}

.agent-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: #4CAF50;
    border-radius: 50%;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.chat-close svg {
    width: 20px;
    height: 20px;
}

/* Chat Messages Area */
.chat-messages {
    flex: 1;
    padding: 16px 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #f8f9fa;
    scroll-behavior: smooth;
    max-height: calc(100% - 140px);
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #dee2e6;
    border-radius: 2px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #adb5bd;
}

.message {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: messageSlideIn 0.3s ease-out;
}

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

.message.bot-message {
    align-self: flex-start;
}

.message.user-message {
    align-self: flex-end;
}

.message-content {
    background: white;
    padding: 14px 18px;
    font-size: 14px;
    line-height: 1.5;
    border-radius: 18px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    position: relative;
    word-wrap: break-word;
}

.bot-message .message-content {
    background: white;
    border-bottom-left-radius: 6px;
    margin-bottom: 4px;
}

.user-message .message-content {
    background: linear-gradient(135deg, var(--accent-color-1), #a0344a);
    color: white;
    border-bottom-right-radius: 6px;
    margin-bottom: 4px;
}

.message-time {
    font-size: 11px;
    color: #6c757d;
    padding: 0 6px;
    margin-top: 2px;
}

.user-message .message-time {
    text-align: right;
    color: #adb5bd;
}

/* Quick Replies */
.quick-replies {
    padding: 12px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    background: white;
    border-top: 1px solid #e9ecef;
    min-height: 44px;
}

.quick-reply {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    color: #495057;
    padding: 8px 14px;
    font-size: 13px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.quick-reply:hover {
    background: linear-gradient(135deg, var(--accent-color-1), #a0344a);
    color: white;
    border-color: var(--accent-color-1);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(127, 38, 62, 0.2);
}

/* Input Area */
.chat-input-area {
    background: white;
    border-top: 1px solid #e9ecef;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-height: 56px;
    flex-shrink: 0;
}

#chat-input {
    flex: 1;
    border: 1px solid #dee2e6;
    padding: 12px 16px;
    font-size: 14px;
    border-radius: 24px;
    outline: none;
    transition: all 0.2s ease;
    background: #f8f9fa;
}

#chat-input:focus {
    border-color: var(--accent-color-1);
    background: white;
    box-shadow: 0 0 0 3px rgba(127, 38, 62, 0.1);
}

#chat-send {
    background: linear-gradient(135deg, var(--accent-color-1), #a0344a);
    border: none;
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
    font-weight: 600;
}

#chat-send:hover {
    background: linear-gradient(135deg, #a0344a, #c04060);
    transform: scale(1.05);
}

#chat-send:disabled {
    background: #6c757d;
    cursor: not-allowed;
    transform: none;
}

.chat-tools {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 0 16px 12px;
}

.tool-btn {
    background: none;
    border: none;
    color: #6c757d;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s ease;
}

.tool-btn:hover {
    color: var(--accent-color-1);
}

.tool-btn svg {
    width: 16px;
    height: 16px;
}

/* Responsive Design */
@media (max-width: 768px) {
    #business-chat-container {
        bottom: 15px;
        right: 15px;
    }
    
    .chat-trigger {
        width: 56px;
        height: 56px;
    }
    
    .chat-icon {
        width: 26px;
        height: 26px;
    }
    
    .chat-window {
        width: calc(100vw - 30px);
        height: calc(100vh - 120px);
        bottom: 75px;
        right: -15px;
        border-radius: 12px;
    }
    
    .chat-header {
        padding: 16px;
        border-radius: 12px 12px 0 0;
    }
    
    .chat-messages {
        padding: 16px;
    }
    
    .quick-replies {
        padding: 12px 16px;
    }
    
    .chat-input-area {
        padding: 12px 16px;
    }
    
    .message {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .chat-window {
        width: calc(100vw - 20px);
        height: calc(100vh - 100px);
        bottom: 70px;
        right: -10px;
    }
}

/* Contact Info Cards Styles */
.contact-info-cards {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 3rem;
    margin-bottom: 3rem;
    padding: 2rem 0;
    width: 100%;
    max-width: var(--container-width);
}

/* Red Divider Line */
.red-divider {
    width: 100%;
    height: 2px;
    background-color: #B91C1C;
    margin: 1rem 0 0.5rem 0;
    max-width: var(--container-width);
}

.info-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: transparent;
    padding: 1rem;
    padding-left: 100px;
    border-radius: 0;
    box-shadow: none;
    width: calc(33.333% - 2rem);
    flex: 0 0 calc(33.333% - 2rem);
    transition: none;
}

.info-card:hover {
    transform: none;
    box-shadow: none;
}

.info-icon {
    width: 55px;
    height: 55px;
    background: #B91C1C;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.info-card .info-content {
    flex: 1;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.info-card .info-content h3 {
    color: #333;
    font-size: 0.9rem;
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.info-card .info-content p {
    color: #666;
    font-size: 0.95rem;
    margin: 0;
    line-height: 1.4;
}

/* 特殊对齐样式 */
.info-card:first-child {
    justify-self: flex-start;
    margin-left: 0;
}

.info-card:last-child {
    justify-self: flex-end;
    margin-right: 0;
}

/* Responsive Design for Info Cards */
@media (max-width: 768px) {
    .contact-info-cards {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    .info-card {
        min-width: auto;
        width: 100%;
        max-width: 350px;
    }
}

/* ===== PRODUCT INFO PAGE STYLES ===== */

/* Hero Section Layout */
.product-hero-section {
    padding: 0.6rem 0 2rem; /* 减小顶部留白，让产品区域更贴近面包屑 */
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 80px; /* 左右边距A=60px (80px-20px) */
    display: grid;
    grid-template-columns: 2.5fr 2.5fr;
    gap: 3rem;
    align-items: start;
}

/* Left: Hero Image Section */
.hero-image-section {
    width: 100%;
    display: flex;
    flex-direction: column;
}

.hero-image-section .product-image-gallery {
    background: white;
    border-radius: 0;
    padding: 2rem;
    box-shadow: none;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.hero-image-section .main-image-container {
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f8f9fa;
    border-radius: 0;
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.hero-image-section .main-product-image {
    width: 100%;
    height: 400px; /* 主图显示高度 */
    position: relative; /* 为绝对定位的图片提供参考 */
    display: block;
    background: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 0;
    margin-bottom: 0.5rem;
}

/* 产品图片轮播控制 */
.hero-image-section .main-product-image .product-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.hero-image-section .main-product-image .product-image.active {
    opacity: 1;
    visibility: visible;
    z-index: 1;
}

.hero-image-section .thumbnail-container {
    margin-top: 1rem;
}

.hero-image-section .thumbnail-list {
    display: flex;
    gap: 0.4rem;
    overflow-x: auto;
    padding: 0.25rem 0;
    justify-content: center; /* 缩略图居中显示 */
}

.hero-image-section .thumbnail-item {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    border-radius: 0;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

.hero-image-section .thumbnail-item:hover {
    border-color: var(--accent-color-1);
    transform: translateY(-2px);
}

.hero-image-section .thumbnail-item.active {
    border-color: var(--accent-color-1);
    box-shadow: none;
}

.hero-image-section .thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-info-card {
    background: white;
    border-radius: 0;
    padding: 2rem;
    box-shadow: none;
    border: 1px solid rgba(127, 38, 62, 0.1);
    transition: all 0.3s ease;
}

/* 移除顶部色彩条，保持纯色背景 */

/* 卡片内部排版压缩：标题、子标题与高亮列表 */
.product-info-card h1,
.product-info-card #product-title {
    font-size: 1.4rem;
    line-height: 1.25;
    margin-bottom: 0.5rem;
    font-weight: normal;
    color: #000;
}

.product-info-card .product-subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0.75rem;
    color: #333;
    font-weight: 400;
}

.product-info-card .product-subtitle p {
    margin: 0 0 1rem 0;
    padding: 0;
    color: #333;
    font-size: 0.95rem;
    line-height: 1.6;
}

.product-info-card .product-subtitle p:last-child {
    margin-bottom: 0;
}

.product-info-card .product-description {
    margin-top: 0.5rem;
}

/* 已移除卡片内高亮列表样式（不再使用） */

.product-info-card .product-description p {
    font-size: 0.95rem;
    line-height: 1.5;
    margin: 0.25rem 0;
}

/* 分割线与分类显示 */
.product-info-card .divider {
    height: 1px;
    background: #e5e5e5;
    margin: 0.5rem 0;
    border: 0;
}

.product-info-card .product-category {
    font-size: 0.95rem;
    color: #000;
    margin: 0.25rem 0;
}

/* 社媒图标行 */
.product-info-card .social-icons {
    display: flex;
    gap: 12px;
    align-items: center;
    margin: 0.5rem 0 1rem;
    flex-wrap: wrap;
}

.product-info-card .social-icons .icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: inherit;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.8rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 3px solid currentColor;
    background: white;
    position: relative;
    overflow: hidden;
}

.product-info-card .social-icons .icon .icon-svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

/* 填充图标：移除线性样式，使用填充 */
.product-info-card .social-icons .icon .icon-svg path,
.product-info-card .social-icons .icon .icon-svg circle,
.product-info-card .social-icons .icon .icon-svg rect,
.product-info-card .social-icons .icon .icon-svg polygon,
.product-info-card .social-icons .icon .icon-svg polyline,
.product-info-card .social-icons .icon .icon-svg line {
    fill: currentColor;
    stroke: none;
}

.product-info-card .social-icons .icon .icon-svg text {
    fill: currentColor;
    stroke: none;
}

.product-info-card .social-icons .icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.product-info-card .social-icons .icon:hover .icon-svg {
    transform: scale(1.1);
}

.product-info-card .social-icons .icon-whatsapp { color: #25D366; }
.product-info-card .social-icons .icon-telegram { color: #0088CC; }
.product-info-card .social-icons .icon-wechat { color: #07C160; }
.product-info-card .social-icons .icon-facebook { color: #1877F2; }
.product-info-card .social-icons .icon-email { color: #EA4335; }


.product-info-card .product-actions {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-info-card .btn-inquiry {
    background: #fff;
    color: var(--accent-color-1);
    border: 2px solid var(--accent-color-1);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-info-card .btn-inquiry:hover {
    background: var(--accent-color-1);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(127, 38, 62, 0.25);
}

.product-info-card .btn-contact {
    background: #fff;
    color: var(--accent-color-1);
    border: 2px solid var(--accent-color-1);
    padding: 1rem 2rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-info-card .btn-contact:hover {
    background: var(--accent-color-1);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(127, 38, 62, 0.25);
}

/* Content Sections Below Hero */
.product-content-wrapper {
    background: white;
    padding: 3rem 0;
}

.product-content-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 80px; /* 左右边距A=60px (80px-20px) */
    display: grid;
    grid-template-columns: 2.5fr 2.5fr; /* 与 hero-container 保持一致 */
    gap: 3rem;
}

.product-content-left {
    /* 左侧内容区域，与图片板块宽度一致 */
}

.product-content-left h2 {
    font-size: 1.5rem;
    font-weight: normal;
    color: #000;
    margin: 2rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #e5e5e5;
}

.product-content-left h2:first-child {
    margin-top: 0;
}

.product-content-left p {
    color: #333;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0 0 1rem 0;
}

.product-content-left .spec-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.product-content-left .spec-list li {
    color: #333;
    font-size: 0.95rem;
    line-height: 1.8;
    margin: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.product-content-left .spec-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--accent-color-1);
    font-weight: bold;
    font-size: 1.2rem;
}

.product-content-right {
    /* 右侧空白区域，保持布局对齐 */
}

.product-section {
    margin-bottom: 3rem;
    padding: 2.5rem;
    background: linear-gradient(135deg, #fafafa 0%, #ffffff 100%);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.product-section h2 {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-dark);
    margin: 0 0 2rem 0;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent-color-1);
    position: relative;
}

.product-section h2::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--accent-color-2);
}

.product-section .detail-section {
    margin-bottom: 2rem;
}

.product-section .detail-section:last-child {
    margin-bottom: 0;
}

.product-section .detail-section h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-color-1);
    margin: 0 0 1rem 0;
}

.product-section .detail-content p {
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.6;
    margin: 0 0 1rem 0;
}

.product-section .detail-image {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 1rem 0;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.product-section .features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.product-section .features-list li {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    border-left: 4px solid var(--accent-color-1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    color: var(--text-light);
    font-size: 1rem;
    line-height: 1.5;
    position: relative;
    transition: all 0.3s ease;
}

.product-section .features-list li:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.product-section .features-list li::before {
    content: '★';
    position: absolute;
    top: 1rem;
    right: 1rem;
    color: var(--accent-color-2);
    font-size: 1.2rem;
}

/* Related Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

/* Responsive Design for Product Info Page */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr 350px;
        gap: 2rem;
    }
    
    .product-info-card {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .product-info-card {
        order: -1; /* Move info card above image on mobile */
        position: static; /* Remove sticky on mobile */
        margin-bottom: 2rem;
    }
    
    .hero-image-section .main-product-image {
        height: 300px;
    }
    
    .product-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .product-section h2 {
        font-size: 1.5rem;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-container {
        padding: 0 15px;
    }
    
    .product-content-container {
        padding: 0 15px;
    }
    
    .product-info-card {
        padding: 1.5rem;
    }
    
    .product-info-card h1 {
        font-size: 1.6rem;
    }
    
    .product-info-card .product-actions {
        gap: 0.75rem;
    }
    
    .product-section {
        padding: 1rem;
    }
}