/* 全局样式 */
:root {
    --primary-color: #0056b3;
    --secondary-color: #004085;
    --accent-color: #17a2b8;
    --text-color: #333;
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    padding-top: 80px; /* 为固定导航栏留出空间 */
}

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

/* 导航栏样式 */
.navbar {
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    background: linear-gradient(180deg, rgba(255,255,255,0.96), rgba(255,255,255,0.92));
    border-bottom: 1px solid rgba(0,86,179,0.08);
}
/* 下滑隱藏、上滑顯示動畫 */
.navbar.hide-on-scroll {
    transform: translateY(-100%);
}
.navbar.show-on-scroll {
    transform: translateY(0);
}

.navbar-scrolled {
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.94));
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 30px rgba(0,86,179,0.15);
}

.navbar-scrolled .navbar-background {
    background: linear-gradient(180deg, rgba(255,255,255,0.98), rgba(255,255,255,0.94));
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 30px rgba(0,86,179,0.15);
}

.navbar-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.95) 0%, rgba(255,255,255,0.9) 100%);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,86,179,0.1);
    box-shadow: 0 4px 20px rgba(0,86,179,0.1);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    position: relative;
    z-index: 2;
}

.nav-links {
    margin-left: auto;
    margin-right: auto;
}

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

.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s ease;
}

.logo a:hover {
    transform: translateY(-2px);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    height: 50px;
    transition: transform 0.3s ease;
}

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

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

.company-name {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1.2;
}

.company-slogan {
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 5px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    padding: 12px 20px;
    border-radius: 25px;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    position: relative;
    overflow: hidden;
    background: linear-gradient(180deg, rgba(0,86,179,0), rgba(0,86,179,0));
}

.nav-links a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,86,179,0.1), transparent);
    transition: left 0.5s ease;
}

.nav-links a:hover::before {
    left: 100%;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-color);
    background: linear-gradient(180deg, rgba(0,86,179,0.08), rgba(0,86,179,0.12));
    transform: translateY(-2px);
    box-shadow: inset 0 0 0 1px rgba(0,86,179,0.15), 0 4px 15px rgba(0,86,179,0.15);
}

.nav-links a i {
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.nav-links a:hover i {
    transform: scale(1.1);
}



/* 主横幅样式 */
.hero {
    background: linear-gradient(rgba(0,30,60,0.28), rgba(0,30,60,0.28)), url('../images/banner/hero-coop.jpg') center/cover no-repeat;
    color: #fff;
    text-align: center;
    padding: 170px 0 130px 0; /* 提升氣場與可視區域 */
}
.hero h1 {
    font-size: 3.6rem;
    font-weight: 800;
    letter-spacing: 1px;
    text-shadow: 0 6px 22px rgba(0,0,0,0.25);
    margin-bottom: 18px;
}
.slogan {
    font-size: 1.28rem;
    margin-bottom: 34px;
    color: #e6f2ff; /* 更贴近整体蓝色调 */
    text-shadow: 0 4px 16px rgba(0,0,0,0.18);
}
.cta-button {
    background: linear-gradient(90deg, #0056b3, #0fb7d4);
    color: #fff;
    padding: 16px 42px;
    border-radius: 30px;
    font-size: 1.18rem;
    font-weight: 700;
    transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
    box-shadow: 0 6px 28px rgba(0,0,0,0.16);
}
.cta-button:hover {
    background: linear-gradient(90deg, #0fb7d4, #0056b3);
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(0,0,0,0.18);
}
.core-values {
    background: #f8f9fa;
    padding: 60px 0;
}
.values-grid {
    display: flex;
    justify-content: space-between;
    gap: 40px;
}
.value-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    padding: 40px 30px;
    text-align: center;
    flex: 1;
}
.value-card i {
    font-size: 2.5rem;
    color: #0056b3;
    margin-bottom: 18px;
}
.partners {
    background: #fff;
    padding: 50px 0 60px 0;
    border-top: 1px solid #eee;
}
.partners h2 {
    text-align: center;
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 30px;
}
.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: nowrap;
    overflow-x: auto;
}
.partners-logos img {
    height: 80px;
    filter: grayscale(0.2);
    opacity: 0.85;
    transition: filter 0.3s, opacity 0.3s;
}
.partners-logos img:hover {
    filter: grayscale(0);
    opacity: 1;
}

/* 小屏幕下允许自动换行，避免横向滚动过长 */
@media (max-width: 992px) {
    .partners-logos {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* 行動端：壓縮導覽列與頂部橫幅尺寸，避免佔據過多可視高度 */
@media (max-width: 576px) {
    body { padding-top: 60px; }
    .navbar .container { 
        height: 60px;
        padding: 0 12px;
    }
    .logo-container {
        order: 1;
    }
    .logo-img {
        height: 28px;
    }
    .logo-text .company-slogan {
        display: none;
    }
    .company-name {
        font-size: 0.9rem;
    }
    .mobile-menu-toggle {
        width: 36px;
        height: 36px;
    }
    .mobile-menu-toggle span {
        width: 18px;
    }
    .nav-links a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 10px;
        font-size: 0.95rem;
        line-height: 1.2;
        white-space: nowrap;
    }
    .nav-links a i { font-size: 1rem; }
    .hero,
    .general-page-header,
    .material-solutions-page .page-header {
        padding: 110px 0 80px 0;
    }
    .material-solutions-page .header-features {
        display: none;
    }
    /* 更高資訊密度：縮小左右留白、字級與間距 */
    .container { padding: 0 8px; }
    .hero,
    .general-page-header,
    .material-solutions-page .page-header { padding: 78px 0 58px 0; }
    .material-solutions-page .page-title { font-size: clamp(1.6rem, 6.4vw, 2.1rem); }
    .general-page-header h1 {
        font-size: clamp(1.6rem, 6vw, 2.2rem);
        margin-bottom: 8px;
    }
    .page-subtitle {
        font-size: clamp(0.9rem, 3.5vw, 1.05rem);
        line-height: 1.5;
        max-width: 90%;
    }
    .applications,
    .product-section,
    .advantages,
    .contact-section,
    .map-section,
    .material-section { padding: 32px 0; }
    .application-card img { height: 112px; object-position: top; }
    .application-grid { gap: 12px; }
    .products-grid { gap: 10px; grid-template-columns: repeat(2, 1fr); }
    
    /* 關於我們企業優勢：確保在576px以下也保持兩兩並排 */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }
    .advantage-card {
        padding: 16px 12px !important;
        min-width: auto !important;
    }
    .advantage-card i {
        font-size: 2rem !important;
        width: 50px !important;
        height: 50px !important;
        line-height: 50px !important;
        margin-bottom: 10px !important;
    }
    .advantage-card h3 {
        font-size: 1.1rem !important;
        margin: 8px 0 !important;
    }
    .advantage-card p {
        font-size: 0.85rem !important;
        line-height: 1.4 !important;
    }
    .product-image { height: 102px; object-position: top; }
    .product-info { padding: 12px; }
    .product-title { font-size: 0.95rem; }
    .product-features { font-size: 0.85rem; }
    .material-intro { gap: 12px; }
    .feature-tag { padding: 4px 8px; font-size: 0.82rem; }
    .material-details li { margin-bottom: 4px; }
    .intro-image .material-sample { max-height: 190px; object-position: top; }
    .data-image-item .image-caption { margin-top: 4px; font-size: 0.85rem; }
    .data-chart { min-height: 340px; max-height: 560px; object-position: top; }
    .map-section iframe,
    .map-wrapper iframe { height: 300px; }
}
@media (max-width: 400px) {
    body { padding-top: 50px; }
    .navbar .container { height: 50px; }
    .company-name { font-size: 0.95rem; }
    /* 保留導航文字，仍以單排橫向滑動呈現 */
    .nav-links a span { display: inline; }
    .nav-links a { padding: 8px 10px; }
}
.footer-bottom p:first-child {
    font-weight: bold;
    color: #0056b3;
    margin-bottom: 5px;
}

/* 主要业务样式 */
.main-services {
    padding: 70px 0;
    background-color: var(--light-gray);
}

.main-services h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.2rem;
    color: var(--primary-color);
}

/* 服务项目交替布局 */
.service-item {
    display: flex;
    align-items: center;
    margin-bottom: 80px;
    border-radius: 20px;
    overflow: hidden;
    gap: 30px;
}

.service-item:last-child {
    margin-bottom: 0;
}

/* 左图片右图片布局 */
.service-left {
    flex-direction: row;
}

.service-left .service-image:first-child {
    order: 1;
    flex: 1;
}

.service-left .service-image:last-child {
    order: 2;
    flex: 1;
}

/* 右图片左图片布局 */
.service-right {
    flex-direction: row-reverse;
}

.service-right .service-image:first-child {
    order: 2;
    flex: 1;
}

.service-right .service-image:last-child {
    order: 1;
    flex: 1;
}



/* 服务图片样式 */
.service-image {
    position: relative;
    overflow: hidden;
    flex: 1;
    height: 280px;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .service-item {
        flex-direction: column !important;
        margin-bottom: 28px;
        gap: 16px;
    }
    
    .service-left .service-image,
    .service-right .service-image {
        height: 190px;
    }
    .service-image { height: 190px; }
    .service-image img { object-fit: cover; object-position: top; }

    /* 關於我們企業優勢：四卡片兩兩並排 */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    .advantage-card {
        padding: 20px 15px;
        min-width: auto;
    }
    .advantage-card i {
        font-size: 2.2rem;
        width: 60px;
        height: 60px;
        line-height: 60px;
        margin-bottom: 12px;
    }
    .advantage-card h3 {
        font-size: 1.2rem;
        margin: 10px 0;
    }
    .advantage-card p {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    /* 高端定制、专业团队、合作共赢三個卡片：高度縮減一半 */
    .value-card {
        padding: 20px 15px; /* 原本40px 30px的一半 */
    }
    .value-card i {
        font-size: 1.8rem; /* 原本2.5rem縮小 */
        margin-bottom: 10px; /* 原本18px縮小 */
    }
    .value-card h3 {
        font-size: 1.1rem; /* 縮小標題 */
        margin-bottom: 8px;
    }
    .value-card p {
        font-size: 0.9rem; /* 縮小文字 */
        line-height: 1.4;
    }

    /* 產品中心：所有卡片兩兩並排縮小 */
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    .product-card {
        padding: 12px;
    }
    .product-image {
        height: 120px;
    }
    .product-info {
        padding: 10px;
    }
}

/* 产品应用样式 */
.applications {
    padding: 80px 0;
}

.applications h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
}

.application-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.application-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.application-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 32px rgba(0,0,0,0.18);
}

.application-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.application-card h3 {
    padding: 20px 20px 10px;
    margin: 0;
    font-size: 1.4rem;
    color: var(--primary-color);
    font-weight: 600;
}

.application-card p {
    padding: 0 20px 20px;
    color: #666;
    line-height: 1.6;
    margin: 0;
}

/* 产品中心页面样式 */
.product-section {
    padding: 60px 0;
}

.product-section.bg-light {
    background-color: var(--light-gray);
}

.product-section h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 2rem;
    color: var(--primary-color);
}

.section-desc {
    text-align: center;
    color: #666;
    margin-bottom: 40px;
    font-size: 1.1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 产品网格布局 */
.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 20px 0;
}

/* 产品卡片样式 */
.product-card {
    background: white;
    border-radius: 10px;
    box-shadow: 0 2px 15px 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-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    transition: transform 0.3s ease;
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

.product-info {
    padding: 20px 20px 28px 20px;
}

.product-title {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

/* 产品特点列表样式 */
.product-features {
    list-style: none;
    padding: 0;
}

/* 紧凑网格样式 */
.compact-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.compact-card {
    max-width: 320px;
}

.compact-card .product-image {
    height: 150px;
    object-fit: cover;
}

.compact-card .product-info {
    padding: 16px;
}

.compact-card .product-title {
    font-size: 1.1rem;
    margin-bottom: 12px;
}

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

.compact-card .product-features li {
    margin-bottom: 6px;
}

.product-features li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 10px;
    color: #666;
}

.product-features li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 產品CTA按鈕樣式 */
.product-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
    padding: 12px 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 25px;
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.product-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

.cta-text {
    margin-right: 8px;
}

.product-cta i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.product-card:hover .product-cta i {
    transform: translateX(3px);
}

/* 产品详情页面样式 */
.product-detail-main {
    padding-top: 80px;
}

.product-detail-hero {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 80px 0;
    text-align: center;
}

.product-detail-hero h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.product-detail-slogan {
    font-size: 1.3rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.product-detail-content {
    padding: 80px 0;
    background: var(--light-gray);
}

.product-detail-flex {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

.product-detail-image {
    flex: 0 0 500px;
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.product-detail-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

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

.product-detail-info {
    flex: 1;
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

.product-detail-info h2 {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
}

.product-detail-info h3 {
    font-size: 1.4rem;
    color: var(--secondary-color);
    margin: 30px 0 15px 0;
    font-weight: 600;
}

.product-detail-info p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 20px;
}

.product-detail-info ul {
    list-style: none;
    padding: 0;
}

.product-detail-info li {
    position: relative;
    padding: 12px 0 12px 25px;
    margin-bottom: 8px;
    color: var(--text-color);
    font-size: 1rem;
    line-height: 1.6;
}

.product-detail-info li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
    font-size: 1.2rem;
}

/* 服务承诺栏目样式 */
.service-promise {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 60px 0;
    margin-top: 50px;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
}

.service-promise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% 100%;
    animation: gradientMove 3s ease-in-out infinite;
}

@keyframes gradientMove {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.service-promise h3 {
    font-size: 2.2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 35px;
    color: var(--primary-color);
    position: relative;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.service-promise h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.service-promise ul {
    list-style: none;
    padding: 0;
    max-width: 800px;
    margin: 0 auto;
}

.service-promise li {
    position: relative;
    padding: 20px 30px 20px 60px;
    margin-bottom: 20px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    font-size: 1.1rem;
    line-height: 1.6;
    color: var(--text-color);
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.service-promise li:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    border-left-color: var(--accent-color);
}

.service-promise li::before {
    content: '✓';
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.service-promise li:nth-child(2)::before {
    background: linear-gradient(135deg, var(--accent-color), #28a745);
}

.service-promise li:nth-child(3)::before {
    background: linear-gradient(135deg, #28a745, var(--primary-color));
}

/* 通用页面标题样式 */
.general-page-header {
    background: linear-gradient(rgba(0,0,0,0.28), rgba(0,0,0,0.28)), url('../images/about/header-about.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 220px 0 180px 0;
    display: flex;
    align-items: center;
    text-align: center;
    color: white;
}

.general-page-header h1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    letter-spacing: 0.5px;
    text-shadow: 0 3px 10px rgba(0,0,0,0.25);
    margin: 0 0 10px 0;
}

/* 通用副標題樣式（適用於各頁面頂部標語） */
.page-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.25rem);
    line-height: 1.6;
    opacity: 0.95;
    text-shadow: 0 2px 6px rgba(0,0,0,0.25);
    margin: 0 auto;
    max-width: 900px;
}

/* 企业优势样式 */
.advantages {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.advantages h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.advantages-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    padding: 20px 0;
}

.advantage-card {
    flex: 1;
    min-width: 250px;
    background: white;
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.advantage-card i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    background: var(--light-gray);
    width: 80px;
    height: 80px;
    line-height: 80px;
    border-radius: 50%;
    display: inline-block;
}

.advantage-card h3 {
    color: var(--secondary-color);
    margin: 15px 0;
    font-size: 1.5rem;
}

.advantage-card p {
    color: #666;
    line-height: 1.6;
}

/* 核心团队样式 */
.team-section {
    padding: 80px 0;
}

.team-section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2.5rem;
    color: var(--primary-color);
}

.team-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
    padding: 20px 0;
}

.team-card {
    flex: 1;
    min-width: 300px;
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.team-card:hover {
    transform: translateY(-10px);
}

.team-photo {
    width: 100%;
    height: 250px;
    overflow: hidden;
}

.team-member-photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s;
}

.team-card:hover .team-member-photo {
    transform: scale(1.05);
}

.team-info {
    padding: 25px;
    text-align: center;
    background: white;
}

.team-info h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.team-info .position {
    color: var(--primary-color);
    font-weight: bold;
    margin-bottom: 15px;
}

.team-info .description {
    color: #666;
    line-height: 1.6;
}

/* 联系页面样式 */
.contact-section {
    padding: 80px 0;
}

.contact-info {
    background: white;
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    max-width: 800px;
    margin: 0 auto;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.info-content h3 {
    margin: 0 0 10px;
    font-size: 1.2rem;
}



/* 材料改性方案页面样式 */
.material-solutions-page .page-header {
    background: linear-gradient(rgba(0,0,0,0.28), rgba(0,0,0,0.28)), url('images/materials/header-materials.png') center/cover;
    background-size: cover;
    background-position: center;
    color: white;
    padding: 170px 0 130px 0;
    text-align: center;
    height: auto;
}

.material-solutions-page .header-content {
    max-width: 900px;
    margin: 0 auto;
}

.material-solutions-page .page-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 25px;
    text-shadow: 0 4px 8px rgba(0,0,0,0.5);
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.material-solutions-page .page-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.4rem);
    margin-bottom: 50px;
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    font-weight: 400;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.material-solutions-page .header-features {
    display: flex;
    justify-content: center;
    gap: clamp(20px, 4vw, 40px);
    flex-wrap: wrap;
}

.material-solutions-page .feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255,255,255,0.15);
    padding: clamp(12px, 2.5vw, 18px) clamp(20px, 3vw, 30px);
    border-radius: 30px;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.25);
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.material-solutions-page .feature-item:hover {
    background: rgba(255,255,255,0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

.material-solutions-page .feature-item i {
    font-size: clamp(1rem, 2vw, 1.3rem);
    color: var(--accent-color);
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
}

.material-solutions-page .feature-item span {
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    font-weight: 600;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* 材料分类导航 */
.material-categories {
    background: white;
    padding: 40px 0;
    border-bottom: 1px solid #eee;
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border: 2px solid var(--primary-color);
    background: white;
    color: var(--primary-color);
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
}

.category-tab:hover,
.category-tab.active {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,86,179,0.3);
}

.category-tab i {
    font-size: 1.1rem;
}

/* 材料数据展示 */
.material-data-section {
    display: none;
    padding: 60px 0;
}

.material-data-section.active {
    display: block;
}

.material-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.material-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.material-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.material-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 25px;
    text-align: center;
}

.material-header h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.material-code {
    background: rgba(255,255,255,0.2);
    padding: 5px 15px;
    border-radius: 15px;
    font-size: 0.9rem;
    font-family: monospace;
}

.material-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

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

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

.material-properties {
    padding: 25px;
}

.property-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
}

.property-item:last-child {
    border-bottom: none;
}

.property-label {
    font-weight: 600;
    color: var(--text-color);
}

.property-value {
    color: var(--primary-color);
    font-weight: 500;
}

.material-features {
    padding: 0 25px 25px;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.feature-tag {
    background: var(--accent-color);
    color: white;
    padding: 6px 15px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 材料物性数据展示 */
.material-properties-section {
    margin-top: 40px;
}

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

/* 材料分类和内容样式 */
.material-section {
    padding: 60px 0;
    background: white;
}

.material-section:nth-child(even) {
    background: var(--light-gray);
}

.material-content {
    margin-top: 40px;
}

.material-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-bottom: 50px;
}

.intro-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 25px;
}

.intro-text h4 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin: 30px 0 20px;
    font-weight: 600;
}

.molecular-intro {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--text-color);
    margin-bottom: 25px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(0,86,179,0.05) 0%, rgba(23,162,184,0.05) 100%);
    border-left: 4px solid var(--accent-color);
    border-radius: 8px;
    font-style: italic;
}

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

.material-details li {
    padding: 8px 0;
    color: var(--text-color);
    position: relative;
    padding-left: 20px;
    line-height: 1.6;
    border-bottom: 1px solid #f0f0f0;
}

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

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

.material-details strong {
    color: var(--primary-color);
    font-weight: 600;
}

.material-features {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.feature-tag {
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    color: white;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.feature-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(23, 162, 184, 0.3);
}

.intro-image {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.material-sample {
    width: 100%;
    max-width: 400px;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
    margin: 0 auto;
}

.material-sample:hover {
    transform: scale(1.05);
}

.image-caption {
    margin-top: 10px;
    margin-bottom: 10px;
    font-size: 0.95rem;
    color: var(--text-color);
    font-weight: 500;
}

.material-properties h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

.properties-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
}

.property-card {
    background: white;
    border-radius: 15px;
    padding: 25px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.property-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.property-card .property-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    color: white;
    font-size: 1.5rem;
}

.property-card .property-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
}

.property-card .property-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
}

.material-data-images {
    margin-top: 50px;
}

.material-data-images h3 {
    font-size: 1.6rem;
    color: var(--primary-color);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 600;
}

.data-images-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.data-image-item {
    text-align: center;
}

.data-chart {
    width: 100%;
    height: auto;
    min-height: 500px;
    max-height: 900px;
    object-fit: contain;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    transition: transform 0.3s ease;
}

.data-chart:hover {
    transform: scale(1.02);
}

.data-image-item .image-caption {
    margin-top: 15px;
    font-size: 1rem;
    color: var(--text-color);
    font-weight: 500;
}

/* 改性对比样式 */
.modification-intro {
    text-align: center;
    margin-bottom: 30px;
}

.modification-intro p {
    font-size: 1.1rem;
    color: var(--text-color);
    font-style: italic;
    background: linear-gradient(135deg, rgba(23,162,184,0.1) 0%, rgba(0,86,179,0.1) 100%);
    padding: 15px 25px;
    border-radius: 10px;
    border-left: 4px solid var(--accent-color);
}

.properties-comparison {
    background: white;
    border-radius: 15px;
    padding: 25px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    border: 1px solid #eee;
}

.comparison-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary-color);
}

.comparison-label {
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
    align-items: center;
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.comparison-row:hover {
    background: #e9ecef;
    transform: translateX(5px);
}

.property-item {
    text-align: center;
    padding: 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.property-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.property-item.modified {
    background: linear-gradient(135deg, rgba(23,162,184,0.1) 0%, rgba(0,86,179,0.1) 100%);
    border: 2px solid var(--accent-color);
}

.property-item .property-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    color: white;
    font-size: 1.2rem;
}

.property-item .property-value {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.property-item .property-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
}

.improvement {
    text-align: center;
    padding: 15px;
    background: linear-gradient(135deg, rgba(40,167,69,0.1) 0%, rgba(23,162,184,0.1) 100%);
    border-radius: 8px;
    border: 2px solid #28a745;
}

.improvement-value {
    display: block;
    font-size: 1.2rem;
    font-weight: 700;
    color: #28a745;
    margin-bottom: 5px;
}

.improvement-desc {
    display: block;
    font-size: 0.9rem;
    color: var(--text-color);
    font-weight: 500;
}

/* 單獨圖表樣式 */
.data-images-grid.single-chart {
    display: flex;
    justify-content: center;
    max-width: 1400px;
    margin: 0 auto;
}

.data-images-grid.single-chart .data-image-item {
    flex: 1;
    max-width: 100%;
}

/* 材料樣品展示樣式 */
.material-samples-section {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, rgba(248,249,250,0.8) 0%, rgba(255,255,255,0.9) 100%);
    border-radius: 15px;
    border: 1px solid #e9ecef;
}

.material-samples-section h3 {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
}

.material-samples-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 2px;
}

.samples-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.sample-item {
    text-align: center;
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    max-width: 300px;
}

.sample-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.sample-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 10px;
    margin-bottom: 15px;
    border: 2px solid #f8f9fa;
}

.sample-caption {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-color);
    margin: 0;
}

/* 應用領域圖樣式 */
.material-applications-section {
    margin: 40px 0;
    padding: 30px;
    background: linear-gradient(135deg, rgba(23,162,184,0.05) 0%, rgba(0,86,179,0.05) 100%);
    border-radius: 15px;
    border: 1px solid rgba(23,162,184,0.2);
}

.material-applications-section h3 {
    text-align: center;
    color: var(--primary-color);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 25px;
    position: relative;
}

.material-applications-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 2px;
}

.applications-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.application-item {
    text-align: center;
    background: white;
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    max-width: 600px;
    width: 100%;
}

.application-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.application-chart {
    width: 100%;
    height: auto;
    min-height: 300px;
    max-height: 500px;
    object-fit: contain;
    border-radius: 10px;
    margin-bottom: 15px;
    border: 2px solid #f8f9fa;
}

.property-item {
    background: white;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.property-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.property-icon-wrapper {
    position: relative;
    margin-bottom: 20px;
}

.property-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: white;
    font-size: 2rem;
    position: relative;
    z-index: 2;
}

.property-ring {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    opacity: 0.3;
}

.property-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.property-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
}

.property-desc {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 其他材料展示 */
.other-materials {
    padding: 60px 0;
    background: var(--light-gray);
}

.materials-container {
    margin-top: 40px;
}

.material-item {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 50px;
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.material-item:nth-child(even) {
    flex-direction: row-reverse;
}

.material-content-wrapper {
    flex: 1;
    padding: 40px;
}

.material-content h4 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.material-content p {
    color: var(--text-color);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1.1rem;
}

.material-features {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.material-image-wrapper {
    flex: 1;
    position: relative;
    height: 300px;
}

.material-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0,86,179,0.1) 0%, rgba(23,162,184,0.1) 100%);
}

/* 技术优势 */
.tech-advantages {
    padding: 60px 0;
    background: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--primary-color) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2rem;
}

.advantage-item h3 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-item p {
    color: var(--text-color);
    line-height: 1.6;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .header-content {
        max-width: 800px;
    }
    
    .page-title {
        font-size: clamp(2.2rem, 6vw, 3.5rem);
    }
    
    .page-subtitle {
        font-size: clamp(1rem, 2.2vw, 1.3rem);
    }
}

@media (max-width: 768px) {
    .material-solutions-page .page-header {
        padding: 60px 0 40px;
    }
    
    .material-solutions-page .page-title {
        font-size: clamp(2rem, 7vw, 2.8rem);
        margin-bottom: 20px;
    }
    
    .material-solutions-page .page-subtitle {
        font-size: clamp(0.95rem, 2.5vw, 1.2rem);
        margin-bottom: 35px;
    }
    
    .material-solutions-page .header-features {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }
    
    .material-solutions-page .feature-item {
        padding: 12px 20px;
        min-width: 200px;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .category-tab {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .material-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .material-item {
        flex-direction: column;
        text-align: center;
        gap: 25px;
    }
    
    .material-item:nth-child(even) {
        flex-direction: column;
    }
    
    .material-content-wrapper {
        padding: 25px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    
    .advantage-item {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .material-solutions-page .page-header {
        padding: 50px 0 30px;
    }
    
    .material-solutions-page .page-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
        margin-bottom: 15px;
    }
    
    .material-solutions-page .page-subtitle {
        font-size: clamp(0.9rem, 3vw, 1.1rem);
        margin-bottom: 25px;
    }
    
    .material-solutions-page .header-features {
        gap: 12px;
    }
    
    .material-solutions-page .feature-item {
        padding: 10px 18px;
        min-width: 180px;
    }
    
    .material-solutions-page .feature-item span {
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .material-card {
        margin: 0 10px;
    }
    
    .material-header {
        padding: 20px;
    }
    
    .material-header h3 {
        font-size: 1.3rem;
    }
    
    .material-properties {
        padding: 20px;
    }
    
    .property-item {
        padding: 10px 0;
    }
}

/* 页脚样式 */
.footer {
    position: relative;
    background: linear-gradient(135deg, var(--dark-gray) 0%, #2c3e50 100%);
    color: white;
    padding: 80px 0 30px;
    margin-top: 60px;
    overflow: hidden;
}

.footer-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="1" fill="rgba(255,255,255,0.03)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.5;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 2;
}

@media (max-width: 768px) {
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-bottom: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-brand {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .footer-copyright {
        text-align: center;
    }

    .footer-icp {
        padding-top: 15px;
        margin-top: 15px;
    }

    .footer-icp p {
        font-size: 0.8rem;
        line-height: 1.8;
    }

    .icp-separator {
        margin: 0 8px;
    }

    .ga-icon {
        height: 18px;
    }
}

.footer-section h4 {
    margin-bottom: 25px;
    font-size: 1.3rem;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.footer-section h4 i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.footer-section p {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
    padding: 8px 0;
}

.footer-section p:hover {
    transform: translateX(5px);
    color: var(--accent-color);
}

.footer-section a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.footer-section i {
    width: 20px;
    text-align: center;
    color: var(--accent-color);
    font-size: 1rem;
}

.footer-bottom {
    position: relative;
    z-index: 2;
    padding-top: 30px;
    border-top: 2px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-logo {
    height: 50px;
    filter: none;
    transition: transform 0.3s ease;
}

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

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.brand-slogan {
    font-size: 1.1rem;
    font-weight: 600;
    color: white;
    margin: 0;
}

.brand-motto {
    font-size: 0.9rem;
    color: var(--accent-color);
    font-weight: 500;
    margin: 0;
    letter-spacing: 1px;
}

.footer-copyright {
    text-align: right;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.footer-icp {
    position: relative;
    z-index: 2;
    padding-top: 20px;
    margin-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    text-align: center;
}

.footer-icp p {
    margin: 0 0 12px 0;
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    line-height: 1.6;
}

.footer-icp a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-icp a:hover {
    color: var(--accent-color);
}

.icp-separator {
    margin: 0 12px;
    color: rgba(255,255,255,0.4);
}

.ga-badge {
    display: inline-block;
    margin-top: 8px;
}

.ga-icon {
    height: 20px;
    width: auto;
    vertical-align: middle;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.ga-badge:hover .ga-icon {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    /* 現代化手機端導航設計 */
    body { padding-top: 60px; }
    .navbar {
        background: rgba(255,255,255,0.95);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(0,86,179,0.1);
        box-shadow: 0 2px 20px rgba(0,86,179,0.08);
    }
    
    .navbar .container {
        flex-direction: row;
        align-items: center;
        height: 60px;
        padding: 0 16px;
        gap: 0;
        justify-content: space-between;
    }

    .logo-container {
        flex-direction: row;
        text-align: left;
        gap: 8px;
        order: 1;
    }

    .company-name { 
        font-size: 1rem;
        font-weight: 600;
        color: var(--primary-color);
    }

    .company-slogan { display: none; }

    /* 漢堡菜單按鈕 */
    .nav-links {
        display: none; /* 隱藏傳統導航 */
    }
    
    /* 新增漢堡菜單 */
    .mobile-menu-toggle {
        display: block;
        background: none;
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 8px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 4px;
        cursor: pointer;
        transition: all 0.3s ease;
        order: 2;
    }
    
    .mobile-menu-toggle:hover {
        background: rgba(0,86,179,0.1);
    }
    
    .mobile-menu-toggle span {
        width: 20px;
        height: 2px;
        background: var(--primary-color);
        border-radius: 2px;
        transition: all 0.3s ease;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    /* 滑出式菜單 */
    .mobile-menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(20px);
        border-bottom: 1px solid rgba(0,86,179,0.1);
        box-shadow: 0 4px 20px rgba(0,86,179,0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        z-index: 999;
    }
    
    .mobile-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .mobile-menu-content {
        padding: 20px 16px;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .mobile-menu a {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 16px;
        border-radius: 12px;
        text-decoration: none;
        color: var(--text-color);
        font-weight: 500;
        transition: all 0.3s ease;
        background: transparent;
    }
    
    .mobile-menu a:hover,
    .mobile-menu a.active {
        background: linear-gradient(135deg, rgba(0,86,179,0.1), rgba(23,162,184,0.1));
        color: var(--primary-color);
        transform: translateX(4px);
    }
    
    .mobile-menu a i {
        width: 20px;
        text-align: center;
        font-size: 1.1rem;
    }



    .hero {
        height: 400px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .services-grid,
    .application-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .product-image {
        height: 180px;
    }
    
    .product-cta {
        margin-top: 15px;
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .service-promise {
        padding: 40px 0;
        margin-top: 30px;
    }
    
    .service-promise h3 {
        font-size: 1.8rem;
        margin-bottom: 25px;
    }
    
    .service-promise li {
        padding: 16px 25px 16px 50px;
        margin-bottom: 15px;
        font-size: 1rem;
    }
    
    .service-promise li::before {
        width: 25px;
        height: 25px;
        left: 15px;
        font-size: 0.9rem;
    }
    
    .product-detail-hero {
        padding: 60px 0;
    }
    
    .product-detail-hero h1 {
        font-size: 2.5rem;
    }
    
    .product-detail-slogan {
        font-size: 1.1rem;
    }
    
    .product-detail-content {
        padding: 60px 0;
    }
    
    .product-detail-flex {
        flex-direction: column;
        gap: 40px;
    }
    
    .product-detail-image {
        flex: none;
        width: 100%;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .product-detail-image img {
        height: 350px;
    }
    
    .product-detail-info {
        padding: 30px;
    }
    
    .product-detail-info h2 {
        font-size: 1.8rem;
    }
    
    .product-detail-info h3 {
        font-size: 1.3rem;
        margin: 25px 0 12px 0;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .advantages-grid,
    .team-grid {
        flex-direction: column;
    }

    .advantage-card,
    .team-card {
        width: 100%;
    }

    .material-solutions-page .page-header {
        height: auto;
    }

    .material-solutions-page .page-header h1 {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

/* 小屏幕设备 */
@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }
    .product-card {
        padding: 10px !important;
    }
    .product-image {
        height: 100px !important;
    }
    .product-info {
        padding: 8px !important;
    }
    .product-title {
        font-size: 0.9rem !important;
    }
    .product-features {
        font-size: 0.8rem !important;
    }
    
    .product-cta {
        margin-top: 12px;
        padding: 8px 14px;
        font-size: 0.85rem;
    }
    
    .service-promise {
        padding: 30px 0;
        margin-top: 20px;
    }
    
    .service-promise h3 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    
    .service-promise li {
        padding: 14px 20px 14px 45px;
        margin-bottom: 12px;
        font-size: 0.95rem;
    }
    
    .service-promise li::before {
        width: 22px;
        height: 22px;
        left: 12px;
        font-size: 0.8rem;
    }
    
    .product-detail-hero {
        padding: 50px 0;
    }
    
    .product-detail-hero h1 {
        font-size: 2rem;
    }
    
    .product-detail-slogan {
        font-size: 1rem;
    }
    
    .product-detail-content {
        padding: 50px 0;
    }
    
    .product-detail-flex {
        gap: 30px;
    }
    
    .product-detail-image img {
        height: 300px;
    }
    
    .product-detail-info {
        padding: 25px;
    }
    
    .product-detail-info h2 {
        font-size: 1.6rem;
    }
    
    .product-detail-info h3 {
        font-size: 1.2rem;
        margin: 20px 0 10px 0;
    }
    
    .product-detail-info p {
        font-size: 1rem;
    }
}

/* 图片加载动画 */
.product-image {
    opacity: 0;
    animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* 无障碍支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
    :root {
        --primary-color: #0000ff;
        --secondary-color: #000080;
        --text-color: #000000;
        --light-gray: #ffffff;
        --dark-gray: #000000;
    }
} 

.about-vision-wrapper {
    background: #fff;
    padding: 60px 0 40px 0;
    border-bottom: 1px solid #eee;
}
.about-vision-grid {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}
.about-vision-left {
    flex: 1.2;
    min-width: 340px;
}
.about-main-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 18px;
    letter-spacing: 2px;
}
.about-main-desc {
    font-size: 1.08rem;
    color: #444;
    margin-bottom: 28px;
    line-height: 1.9;
}
.about-image {
    margin-top: 18px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
}
.about-image img {
    width: 100%;
    display: block;
}
.about-vision-right {
    flex: 1;
    min-width: 280px;
}
.about-vision-cards {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.about-vision-card {
    background: #f8f9fa;
    border-radius: 10px;
    box-shadow: 0 2px 12px rgba(0,86,179,0.06);
    padding: 28px 24px 20px 24px;
    border-left: 5px solid var(--primary-color);
}
.about-vision-card h3 {
    font-size: 1.18rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}
.about-vision-card p {
    color: #555;
    font-size: 1.02rem;
    line-height: 1.8;
}
@media (max-width: 900px) {
    .about-vision-grid {
        flex-direction: column;
        gap: 32px;
    }
    .about-vision-left, .about-vision-right {
        min-width: 0;
    }
} 

.product-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
    transition: box-shadow 0.3s;
}
.product-card-link:hover .product-card {
    box-shadow: 0 8px 32px rgba(0,86,179,0.18);
    transform: translateY(-6px) scale(1.03);
} 

/* 公司簡介和企業理念新增樣式 */
.company-intro-header,
.company-philosophy-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 25px;
}

.header-icon-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-icon-wrapper i {
    color: var(--primary-color);
    z-index: 2;
    position: relative;
}

.icon-bg {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 15px;
    transform: rotate(45deg);
    box-shadow: 0 4px 12px rgba(0,86,179,0.15);
}

/* 公司簡介和企業理念分開佈局樣式 */
.company-intro-section,
.company-philosophy-section {
    padding: 80px 0;
    position: relative;
}

.company-intro-section {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 50%, #e3f2fd 100%);
    position: relative;
    overflow: hidden;
}

.company-intro-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(0,86,179,0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(23,162,184,0.03) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0,86,179,0.02) 0%, transparent 50%);
    pointer-events: none;
}

.company-philosophy-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 50%, #bbdefb 100%);
}

.company-philosophy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

/* 區塊標題樣式 */
.section-header {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-header .header-icon-wrapper {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
}

.section-header .header-icon-wrapper i {
    color: var(--primary-color);
    z-index: 2;
    position: relative;
}

.section-header .icon-bg {
    position: absolute;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    border-radius: 18px;
    transform: rotate(45deg);
    box-shadow: 0 6px 16px rgba(0,86,179,0.15);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: 700;
    letter-spacing: 1px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin: 0;
    font-weight: 400;
}

/* 公司展示區 */
.company-showcase {
    margin: 40px 0;
}

.company-showcase-content {
    display: flex;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.showcase-text {
    text-align: center;
}

.showcase-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.showcase-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
}

.showcase-features {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: #666;
}

.feature-item i {
    color: var(--primary-color);
    font-size: 1.1rem;
}

.showcase-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* 企業理念區塊樣式 */
.philosophy-showcase {
    margin: 40px 0;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 40px;
    align-items: center;
}

.philosophy-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

.philosophy-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.philosophy-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
}

.philosophy-highlights {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1rem;
    color: #666;
}

.highlight-item i {
    color: #ffd700;
    font-size: 1.1rem;
}

/* 團隊風采展示樣式 */
.team-showcase {
    margin-top: 50px;
    padding-top: 50px;
    border-top: 1px solid #eee;
}

.team-showcase-content {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 40px;
    align-items: center;
}

.team-showcase-text h3 {
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
}

.team-showcase-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
}

.team-showcase-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
}

/* 特色功能區 */
.company-intro-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.intro-feature {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    padding: 25px;
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-radius: 15px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
}

.intro-feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0,86,179,0.03), rgba(23,162,184,0.03));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.intro-feature:hover::before {
    opacity: 1;
}

.intro-feature:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0,86,179,0.15);
}

.feature-icon {
    position: relative;
    z-index: 2;
    flex-shrink: 0;
}

.feature-icon i {
    color: var(--primary-color);
    font-size: 1.6rem;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,86,179,0.15);
}

.feature-content {
    flex: 1;
    position: relative;
    z-index: 2;
}

.feature-content h4 {
    color: var(--secondary-color);
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.feature-content p {
    color: #555;
    line-height: 1.7;
    margin: 0 0 12px 0;
}

.feature-tag {
    display: inline-block;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

/* 理念展示區 */
.philosophy-showcase {
    margin-bottom: 40px;
}

/* 理念卡片 */
.philosophy-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.philosophy-card {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-radius: 18px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.1);
    padding: 30px;
    border-left: 5px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

.philosophy-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 32px rgba(0,86,179,0.18);
}

.vision-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    position: relative;
}

.vision-icon i {
    color: var(--primary-color);
    font-size: 2.2rem;
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    padding: 18px;
    border-radius: 50%;
    box-shadow: 0 6px 16px rgba(0,86,179,0.15);
    z-index: 2;
    position: relative;
}

.icon-ring {
    position: absolute;
    width: 70px;
    height: 70px;
    border: 2px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.1); opacity: 0.1; }
    100% { transform: scale(1); opacity: 0.3; }
}

.philosophy-card h3 {
    color: var(--secondary-color);
    font-size: 1.4rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.philosophy-card p {
    color: #555;
    line-height: 1.7;
    margin: 0 0 18px 0;
}

.vision-tag {
    display: inline-block;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    text-align: center;
    width: 100%;
}

/* 未來圖片插入區域 */
.future-image-section {
    margin-top: 40px;
}

.future-image-section h3 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

.image-gallery,
.team-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 20px;
}

.gallery-item,
.team-gallery-item {
    aspect-ratio: 1;
}

.image-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border: 2px dashed #ccc;
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #999;
    transition: all 0.3s ease;
    cursor: pointer;
}

.image-placeholder:hover {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #e3f2fd, #bbdefb);
    color: var(--primary-color);
    transform: scale(1.05);
}

.image-placeholder i {
    font-size: 2.2rem;
    margin-bottom: 10px;
    opacity: 0.7;
}

.image-placeholder span {
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.3;
    font-weight: 500;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .company-intro-section,
    .company-philosophy-section {
        padding: 60px 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .overview-content {
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }
    
    .overview-text {
        text-align: center;
    }
    
    .overview-visual {
        flex: none;
        height: 150px;
    }
    
    .floating-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .stat-item {
        padding: 30px 20px;
    }
    
    .stat-icon {
        width: 60px;
        height: 60px;
    }
    
    .stat-icon i {
        font-size: 1.5rem;
    }
    
    .stat-number-wrapper {
        margin-bottom: 10px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .stat-plus {
        font-size: 2.2rem;
    }
    
    .advantage-row {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .advantage-card {
        padding: 30px 25px;
    }
    
    .showcase-container {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .showcase-item {
        padding: 30px 25px;
    }
    
    .floating-icon:nth-child(1) {
        top: 15px;
        left: 15px;
    }
    
    .floating-icon:nth-child(2) {
        top: 60px;
        right: 15px;
    }
    
    .floating-icon:nth-child(3) {
        bottom: 15px;
        left: 50%;
        transform: translateX(-50%);
    }
} 

/* 公司簡介核心內容樣式 */
.company-intro-core {
    margin: 50px 0;
    position: relative;
}

.company-overview {
    margin-bottom: 60px;
}

.overview-content {
    display: flex;
    align-items: center;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.overview-text {
    flex: 1;
    text-align: left;
}

.overview-text h3 {
    font-size: 2.2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.overview-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 25px;
}

.overview-highlights {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.highlight-tag {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(0,86,179,0.1), rgba(23,162,184,0.1));
    border: 1px solid rgba(0,86,179,0.2);
    border-radius: 25px;
    color: var(--primary-color);
    font-weight: 500;
    transition: all 0.3s ease;
}

.highlight-tag:hover {
    background: linear-gradient(135deg, rgba(0,86,179,0.15), rgba(23,162,184,0.15));
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,86,179,0.2);
}

.highlight-tag i {
    color: var(--accent-color);
    font-size: 0.9rem;
}

.overview-visual {
    flex: 0 0 200px;
    position: relative;
    height: 200px;
}

.floating-elements {
    position: relative;
    width: 100%;
    height: 100%;
}

.floating-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 8px 24px rgba(0,86,179,0.3);
    animation: float 3s ease-in-out infinite;
}

.floating-icon:nth-child(1) {
    top: 20px;
    left: 20px;
    animation-delay: 0s;
}

.floating-icon:nth-child(2) {
    top: 80px;
    right: 20px;
    animation-delay: 1s;
}

.floating-icon:nth-child(3) {
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    animation-delay: 2s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

/* 核心數據展示樣式 */
.core-stats-section {
    margin: 60px 0;
}

.stats-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.stat-item {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-radius: 20px;
    padding: 40px 25px;
    text-align: center;
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,86,179,0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.stat-item:hover::before {
    transform: scaleX(1);
}

.stat-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,86,179,0.15);
}

.stat-icon-wrapper {
    position: relative;
    margin-bottom: 25px;
}

.stat-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.stat-icon i {
    color: white;
    font-size: 2rem;
}

.stat-ring {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    border: 2px solid rgba(0,86,179,0.2);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.stat-number-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.stat-number {
    display: block;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-plus {
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-left: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.1rem;
    color: #555;
    font-weight: 600;
    margin-bottom: 8px;
}

.stat-desc {
    font-size: 0.9rem;
    color: #777;
    line-height: 1.4;
}

.stat-progress {
    margin-top: 20px;
    height: 4px;
    background: rgba(0,86,179,0.1);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    transition: width 2s ease;
    width: 0%;
}

/* 核心優勢展示樣式 */
.core-advantages {
    margin: 80px 0;
}

.advantages-container {
    max-width: 1400px;
    margin: 0 auto;
}

.advantage-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 40px;
}

.advantage-card {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,86,179,0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

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

.advantage-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,86,179,0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    position: relative;
    transition: all 0.3s ease;
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1) rotate(5deg);
}

.advantage-icon i {
    color: white;
    font-size: 2rem;
    z-index: 2;
    position: relative;
}

.icon-glow {
    position: absolute;
    top: -10px;
    left: -10px;
    right: -10px;
    bottom: -10px;
    background: radial-gradient(circle, rgba(0,86,179,0.3) 0%, transparent 70%);
    border-radius: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-card:hover .icon-glow {
    opacity: 1;
}

.advantage-content h4 {
    font-size: 1.4rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.advantage-content p {
    font-size: 1rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 20px;
}

.advantage-features {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.feature-tag {
    padding: 6px 12px;
    background: linear-gradient(135deg, rgba(0,86,179,0.1), rgba(23,162,184,0.1));
    border: 1px solid rgba(0,86,179,0.2);
    border-radius: 15px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 500;
}

.advantage-decoration {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.decoration-line {
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 1px;
}

.decoration-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-color);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* 企業風采展示樣式 */
.company-showcase-section {
    margin: 80px 0;
}

.showcase-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px; /* 增加左右間距，讓區域更寬 */
    max-width: none; /* 移除寬度限制 */
    margin: 0 auto;
    padding: 0 20px; /* 添加左右內邊距 */
}

.showcase-item {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
    border: 1px solid rgba(0,86,179,0.1);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.showcase-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.showcase-item:hover::before {
    transform: scaleX(1);
}

.showcase-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0,86,179,0.15);
}

.showcase-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    position: relative;
    transition: all 0.3s ease;
}

.showcase-item:hover .showcase-icon {
    transform: scale(1.1) rotate(5deg);
}

.showcase-icon i {
    color: white;
    font-size: 2rem;
    z-index: 2;
    position: relative;
}

.icon-ripple {
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    border: 2px solid rgba(0,86,179,0.3);
    border-radius: 20px;
    animation: ripple 2s infinite;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.3); opacity: 0; }
}

.showcase-item h4 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.showcase-item p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #555;
    margin-bottom: 20px;
}

.showcase-tag {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(0,86,179,0.1), rgba(23,162,184,0.1));
    border: 1px solid rgba(0,86,179,0.2);
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.showcase-item:hover .showcase-tag {
    background: linear-gradient(135deg, rgba(0,86,179,0.15), rgba(23,162,184,0.15));
    transform: scale(1.05);
}

.showcase-decoration {
    position: absolute;
    top: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

/* 新增圖片樣式 */
.showcase-images {
    margin-top: 25px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px !important; /* 調整為更合適的間距 */
    align-items: start; /* 確保對齊 */
}

.image-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px !important; /* 調整為更合適的間距 */
    align-items: start; /* 確保對齊 */
}

.image-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    width: 100%;
    aspect-ratio: 4/3; /* 統一寬高比 */
    min-height: 200px; /* 添加最小高度確保圖片足夠大 */
    display: flex;
    flex-direction: column; /* 確保圖片和說明文字垂直排列 */
}

.image-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

.image-item img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* 改為 cover 確保圖片填滿容器 */
    background: #fff;
    display: block;
}

.image-caption {
    display: block;
    font-size: 1.1rem !important; /* 調整字體大小 */
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.4;
    text-shadow: 0 1px 2px rgba(255,255,255,0.8);
    background: rgba(255,255,255,0.9);
    padding: 8px 12px !important; /* 調整內邊距 */
    border-radius: 6px !important; /* 調整圓角 */
    margin-top: 8px !important; /* 調整上邊距 */
    text-align: center; /* 文字居中 */
    flex-shrink: 0; /* 防止文字被壓縮 */
}

.decoration-circle {
    width: 12px;
    height: 12px;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.6;
}

.decoration-line {
    width: 2px;
    height: 20px;
    background: linear-gradient(180deg, var(--primary-color), var(--accent-color));
    border-radius: 1px;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .core-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 16px !important;
    }
    
    .showcase-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .showcase-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .showcase-images {
        grid-template-columns: 1fr;
        gap: 25px !important; /* 調整手機端間距 */
    }
    
    .image-pair {
        grid-template-columns: 1fr 1fr;
        gap: 15px !important; /* 調整手機端間距 */
    }
    
    .image-item {
        aspect-ratio: 4/3; /* 保持統一的寬高比 */
        min-height: 150px; /* 手機端最小高度 */
    }
    
    .image-item img {
        height: 100%; /* 使用 100% 高度配合 aspect-ratio */
    }
    
    .advantage-item {
        flex-direction: column;
        text-align: center;
        padding: 25px 20px;
    }
    
    .advantage-icon {
        margin: 0 auto 15px;
    }
    
    .intro-overview h3,
    .advantages-title,
    .showcase-title {
        font-size: 1.6rem;
    }
    
    .stat-card,
    .advantage-item,
    .showcase-item {
        padding: 25px 20px;
    }
} 

@media (max-width: 480px) {
    .stats-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .stat-item {
        padding: 25px 20px;
    }
    
    .stat-icon {
        width: 50px;
        height: 50px;
    }
    
    .stat-icon i {
        font-size: 1.2rem;
    }
    
    .stat-number-wrapper {
        margin-bottom: 8px;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .stat-plus {
        font-size: 2rem;
    }
    
    .stat-label {
        font-size: 1rem;
    }
    
    .advantage-card {
        padding: 25px 20px;
    }
    
    .advantage-icon {
        width: 60px;
        height: 60px;
    }
    
    .advantage-icon i {
        font-size: 1.5rem;
    }
    
    .showcase-item {
        padding: 25px 20px;
    }
    
    .showcase-icon {
        width: 60px;
        height: 60px;
    }
    
    .showcase-icon i {
        font-size: 1.5rem;
    }
    
    .overview-highlights {
        justify-content: center;
    }
    
    .highlight-tag {
        padding: 6px 12px;
        font-size: 0.85rem;
    }
    
    .floating-icon {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .floating-icon:nth-child(1) {
        top: 10px;
        left: 10px;
    }
    
    .floating-icon:nth-child(2) {
        top: 50px;
        right: 10px;
    }
    
    .floating-icon:nth-child(3) {
        bottom: 10px;
        left: 50%;
        transform: translateX(-50%);
    }
} 

/* 核心優勢左右形式排版樣式 */
.advantages-container {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

.advantage-item {
    display: flex;
    align-items: center;
    gap: 60px;
    padding: 40px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

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

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

.advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.advantage-image-wrapper {
    flex: 0 0 300px;
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.advantage-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(0, 86, 179, 0.1), rgba(23, 162, 184, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.advantage-item:hover .image-overlay {
    opacity: 1;
}

.advantage-content-wrapper {
    flex: 1;
    padding: 20px 0;
}

.advantage-content h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
}

.advantage-content h4::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

.advantage-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 25px;
    opacity: 0.9;
}

.advantage-features {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.feature-tag {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
}

.feature-tag:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
}

/* 響應式設計 */
@media (max-width: 1024px) {
    .advantage-item {
        gap: 40px;
        padding: 30px;
    }
    
    .advantage-image-wrapper {
        flex: 0 0 250px;
    }
    
    .advantage-image {
        height: 200px;
    }
}

@media (max-width: 768px) {
    /* 核心優勢區塊：三個卡片適配 */
    .advantages-container {
        gap: 30px;
    }
    .advantage-item {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
        text-align: center;
        margin-bottom: 20px;
    }
    .advantage-image-wrapper {
        flex: none;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    .advantage-image {
        height: 150px;
        object-fit: cover;
    }
    
    .advantage-image-wrapper {
        flex: none;
        width: 100%;
        max-width: 300px;
    }
    
    .advantage-content h4::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .advantage-features {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .advantage-item {
        padding: 20px;
        gap: 25px;
    }
    
    .advantage-content h4 {
        font-size: 1.6rem;
    }
    
    .advantage-content p {
        font-size: 1rem;
    }
    
    .feature-tag {
        padding: 6px 12px;
        font-size: 0.8rem;
    }
} 

/* 企業風采圖片樣式 */
.showcase-icon .showcase-image {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid var(--primary-color);
    box-shadow: 0 4px 15px rgba(0, 86, 179, 0.3);
    transition: all 0.3s ease;
    background: white;
}

.showcase-item:hover .showcase-icon .showcase-image {
    transform: scale(1.1);
    border-color: var(--accent-color);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.4);
}

/* 響應式設計調整 */
@media (max-width: 768px) {
    .showcase-icon .showcase-image {
        width: 70px;
        height: 70px;
    }
}

@media (max-width: 480px) {
    .showcase-icon .showcase-image {
        width: 60px;
        height: 60px;
    }
    
    /* 企業風采圖片小屏幕適配 */
    .showcase-images {
        grid-template-columns: 1fr;
        gap: 20px !important; /* 調整小屏幕間距 */
    }
    
    .image-pair {
        grid-template-columns: 1fr 1fr;
        gap: 12px !important; /* 調整小屏幕間距 */
    }
    
    .image-item {
        aspect-ratio: 4/3;
        min-height: 120px; /* 小屏幕最小高度 */
    }
    
    .image-caption {
        font-size: 1rem !important; /* 調整小屏幕字體大小 */
        padding: 6px 10px !important; /* 調整小屏幕內邊距 */
    }
} 

/* 產品詳情頁面樣式優化 */
.product-detail-flex {
    display: flex;
    gap: 40px; /* 減少間距 */
    align-items: flex-start;
}

.product-detail-image {
    flex: 0 0 400px; /* 從500px減少到400px */
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.12); /* 減輕陰影 */
}

.product-detail-image img {
    width: 100%;
    height: 320px; /* 從400px減少到320px */
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.product-detail-image:hover img {
    transform: scale(1.03); /* 減少懸停效果 */
}

.product-detail-info {
    flex: 1;
    background: white;
    padding: 35px; /* 從40px減少到35px */
    border-radius: 15px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08); /* 減輕陰影 */
}

/* 流程步驟樣式優化 */
.process-flow {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.process-step {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    border-left: 4px solid var(--primary-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.process-step:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.step-number {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 15px;
}

.step-content h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.step-content h4 i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.step-content p {
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
}

/* 案例展示樣式優化 */
.case-studies-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.case-study-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.case-study-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.case-image {
    position: relative;
    height: 200px; /* 固定高度 */
    overflow: hidden;
}

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

.case-study-card:hover .case-image img {
    transform: scale(1.05);
}

.case-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.case-study-card:hover .case-overlay {
    opacity: 1;
}

.case-overlay i {
    color: white;
    font-size: 2rem;
}

.case-content {
    padding: 25px;
}

.case-content h4 {
    color: var(--primary-color);
    font-size: 1.3rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.case-description {
    color: var(--text-color);
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.highlight-tag {
    background: var(--light-gray);
    color: var(--text-color);
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: background-color 0.3s ease;
}

.highlight-tag:hover {
    background: var(--primary-color);
    color: white;
}

.highlight-tag i {
    color: var(--accent-color);
    font-size: 0.8rem;
}

/* 技術優勢樣式優化 */
.tech-advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.tech-advantage-item {
    background: white;
    padding: 30px 25px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.tech-advantage-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.tech-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    transition: transform 0.3s ease;
}

.tech-advantage-item:hover .tech-icon {
    transform: scale(1.1);
}

.tech-icon i {
    color: white;
    font-size: 1.8rem;
}

.tech-advantage-item h4 {
    color: var(--primary-color);
    font-size: 1.2rem;
    margin-bottom: 15px;
    font-weight: 600;
}

.tech-advantage-item p {
    color: var(--text-color);
    line-height: 1.6;
    margin: 0;
}

/* 服務保障樣式優化 */
.service-guarantee-section {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 50px 0;
    margin-top: 50px;
    border-radius: 15px;
}

.guarantee-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.guarantee-text {
    flex: 1;
}

.guarantee-text h3 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 20px;
    font-weight: 600;
}

.guarantee-text p {
    color: var(--text-color);
    line-height: 1.7;
    margin-bottom: 25px;
}

.guarantee-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.guarantee-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-color);
}

.guarantee-feature i {
    color: var(--accent-color);
    font-size: 1.1rem;
    width: 20px;
}

.guarantee-image {
    flex: 0 0 300px; /* 固定寬度 */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
}

.guarantee-image img {
    width: 100%;
    height: 200px; /* 固定高度 */
    object-fit: cover;
}

/* 響應式設計優化 */
@media (max-width: 768px) {
    .product-detail-flex {
        flex-direction: column;
        gap: 30px;
    }
    
    .product-detail-image {
        flex: none;
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .product-detail-image img {
        height: 280px;
    }
    
    .process-flow {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .case-studies-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .tech-advantages-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .guarantee-content {
        flex-direction: column;
        gap: 30px;
    }
    
    .guarantee-image {
        flex: none;
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .product-detail-image img {
        height: 240px;
    }
    
    .product-detail-info {
        padding: 25px 20px;
    }
    
    .case-image {
        height: 180px;
    }
    
    .guarantee-image img {
        height: 180px;
    }
}

/* 緊湊版服務承諾樣式 - 優化居中對齊 */
.service-promise.compact {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 25px 0;
    margin-top: 30px;
    border-radius: 10px;
    position: relative;
    overflow: visible;
    z-index: 1;
}

.service-promise.compact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% 100%;
    animation: gradientMove 3s ease-in-out infinite;
    z-index: 2;
}

.service-promise.compact h3 {
    font-size: 1.3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: relative;
    z-index: 3;
}

.service-promise.compact h3 i {
    color: var(--accent-color);
    font-size: 1.1rem;
}

.service-promise.compact h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
    z-index: 4;
}

.service-promise.compact ul {
    list-style: none;
    padding: 0;
    margin: 0 auto; /* 添加auto讓整個列表居中 */
    display: flex;
    justify-content: center;
    align-items: center; /* 添加垂直居中 */
    gap: 35px;
    flex-wrap: wrap;
    position: relative;
    z-index: 3;
    max-width: 800px; /* 限制最大寬度，確保居中效果 */
}

.service-promise.compact li {
    position: relative;
    margin: 0;
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.4;
    text-align: center;
    min-width: 130px;
    background: white;
    padding: 12px 18px;
    border-radius: 25px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    z-index: 5;
    border: 1px solid rgba(0,0,0,0.05);
    /* 確保文字完全居中 */
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto; /* 防止項目被拉伸 */
}

.service-promise.compact li:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 完全去掉所有圖標 */
.service-promise.compact li::before,
.service-promise.compact li:nth-child(2)::before,
.service-promise.compact li:nth-child(3)::before {
    display: none;
}

/* 響應式設計優化 */
@media (max-width: 768px) {
    .service-promise.compact {
        padding: 20px 0;
        margin-top: 25px;
    }
    
    .service-promise.compact h3 {
        font-size: 1.2rem;
        margin-bottom: 18px;
    }
    
    .service-promise.compact ul {
        gap: 25px;
        flex-direction: column;
        align-items: center;
        max-width: 100%; /* 移動端使用全寬 */
    }
    
    .service-promise.compact li {
        min-width: 220px;
        font-size: 0.9rem;
        padding: 15px 20px;
        width: 100%; /* 移動端使用全寬 */
        max-width: 280px; /* 限制最大寬度 */
    }
}

@media (max-width: 480px) {
    .service-promise.compact {
        padding: 18px 0;
        margin-top: 20px;
    }
    
    .service-promise.compact h3 {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }
    
    .service-promise.compact ul {
        gap: 20px;
    }
    
    .service-promise.compact li {
        min-width: 200px;
        font-size: 0.85rem;
        padding: 12px 16px;
        max-width: 260px; /* 小屏幕限制寬度 */
    }
}

/* 产品图片样式 */
.product-images {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    margin-top: 15px;
}

.product-img {
    width: 100%;
    height: 80px;
    object-fit: contain;
    border-radius: 8px;
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: block; /* 確保圖片正確顯示 */
    max-width: 100%; /* 防止圖片溢出 */
}

.product-img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* 圖片載入失敗時的樣式 */
.product-img:not([src]), 
.product-img[src=""],
.product-img[src*="data:image"] {
    background-color: #e9ecef;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #6c757d;
    font-size: 12px;
}

.product-img:not([src])::after, 
.product-img[src=""]::after,
.product-img[src*="data:image"]::after {
    content: "圖片載入中...";
}

/* 响应式设计 */
@media (max-width: 768px) {
    .product-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .product-img {
        height: 60px;
    }
}

@media (max-width: 480px) {
    .product-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .product-img {
        height: 50px;
    }
}

/* 產品介紹優化樣式 */
.info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin: 20px 0;
}

.info-item {
    background: #f8f9fa;
    padding: 15px;
    border-radius: 8px;
    border-left: 3px solid var(--accent-color);
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.info-item h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.info-item h3 i {
    font-size: 1rem;
    color: var(--accent-color);
}

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

.info-item li {
    padding: 4px 0;
    font-size: 0.9rem;
    color: var(--text-color);
    position: relative;
    padding-left: 15px;
}

.info-item li::before {
    content: "•";
    color: var(--accent-color);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.service-highlight {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 20px;
    border-radius: 10px;
    margin: 20px 0;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.service-highlight h3 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-highlight h3 i {
    color: var(--accent-color);
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.service-tag {
    background: var(--primary-color);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.service-tag:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

/* 響應式設計 */
@media (max-width: 768px) {
    .info-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .info-item {
        padding: 12px;
    }
    
    .service-highlight {
        padding: 15px;
    }
    
    .service-tags {
        gap: 8px;
    }
    
    .service-tag {
        font-size: 0.8rem;
        padding: 5px 10px;
    }
}

@media (max-width: 480px) {
    .info-item h3 {
        font-size: 1rem;
    }
    
    .info-item li {
        font-size: 0.85rem;
    }
    
    .service-highlight h3 {
        font-size: 1rem;
    }
}

/* 產品展示圖片樣式 */
.product-showcase-images {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.showcase-image {
    text-align: center;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 8px;
    padding: 15px 10px 10px 10px;
    border: 1px solid #e9ecef;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    position: relative;
}

.showcase-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    border-color: var(--accent-color);
    background: linear-gradient(135deg, #ffffff 0%, #f0f4f8 100%);
}

.showcase-img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 8px;
}

.image-caption {
    display: block;
    font-size: 0.85rem;
    color: var(--text-color);
    font-weight: 500;
    line-height: 1.3;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .product-showcase-images {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }
    
    .showcase-img {
        height: 100px;
    }
    
    .image-caption {
        font-size: 0.85rem;
        font-weight: 600;
        padding: 3px 6px;
    }
}

@media (max-width: 480px) {
    .product-showcase-images {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .showcase-img {
        height: 120px;
    }
    
    .image-caption {
        font-size: 0.9rem;
        font-weight: 600;
        padding: 4px 8px;
    }
}

/* 臨時修復：隱藏可能造成黑杠的元素 */
.product-detail-content::before,
.product-detail-content::after,
.product-detail-info::before,
.product-detail-info::after {
    display: none !important;
}

/* 隱藏可能的隱藏元素 */
[style*="display: none"],
[style*="visibility: hidden"] {
    display: none !important;
}

/* 修復可能的輪播問題 */
.product-showcase-images {
    position: relative;
    z-index: 1;
}

.showcase-image {
    position: relative;
    z-index: 2;
}

/* 確保沒有意外的邊框 */
.product-detail-content,
.product-detail-info,
.info-grid,
.info-item,
.service-highlight {
    border: none !important;
    outline: none !important;
}

/* 隱藏可能的動畫元素 */
[class*="carousel"],
[class*="slider"],
[class*="swiper"] {
    display: none !important;
}

/* 產品中心頁面新增樣式 */

/* Hero Banner 樣式 */
.hero-banner {
    position: relative;
    background: url('images/hero-bg.png') center center/cover no-repeat;
    color: white;
    padding: 170px 0 130px 0;
    text-align: center;
    overflow: hidden;
}

.hero-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.28);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    background: linear-gradient(45deg, #fff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.hero-feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255,255,255,0.1);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.hero-feature:hover {
    transform: translateY(-5px);
    background: rgba(255,255,255,0.2);
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.hero-feature i {
    font-size: 2rem;
    color: #ffd700;
}

.hero-feature span {
    font-weight: 600;
    font-size: 0.9rem;
}

/* 服務理念展示樣式 */
.service-philosophy {
    padding: 80px 0;
    background: #f8f9fa;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.philosophy-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.philosophy-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.philosophy-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.philosophy-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.philosophy-item p {
    color: #6c757d;
    line-height: 1.6;
}

/* 解決方案展示樣式 */
.solutions-showcase {
    padding: 80px 0;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.section-desc {
    text-align: center;
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

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

.solution-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.solution-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.solution-card:hover .solution-image img {
    transform: scale(1.1);
}

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(102, 126, 234, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.solution-card:hover .solution-overlay {
    opacity: 1;
}

.solution-overlay i {
    font-size: 3rem;
    color: white;
}

.solution-content {
    padding: 1.5rem;
}

.solution-content h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.solution-content p {
    color: #6c757d;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.solution-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.solution-features li {
    padding: 0.3rem 0;
    color: #495057;
    position: relative;
    padding-left: 1.5rem;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #28a745;
    font-weight: bold;
}

/* 技術實力展示樣式 */
.tech-strength {
    padding: 80px 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: white;
}

.tech-strength .section-title,
.tech-strength .section-desc {
    color: white;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.tech-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255,255,255,0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all 0.3s ease;
}

.tech-item:hover {
    transform: translateY(-10px);
    background: rgba(255,255,255,0.15);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}

.tech-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #2c3e50;
    font-size: 2rem;
}

.tech-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffd700;
}

.tech-item p {
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
}

/* 合作優勢樣式 */
.cooperation-advantages {
    padding: 80px 0;
    background: #f8f9fa;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.advantage-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
    position: relative;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.advantage-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.advantage-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 1.5rem 0 1rem;
    color: #2c3e50;
}

.advantage-item p {
    color: #6c757d;
    line-height: 1.6;
}

/* 響應式設計 */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .philosophy-grid,
    .solutions-grid,
    .tech-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .hero-banner {
        padding: 60px 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .service-philosophy,
    .solutions-showcase,
    .tech-strength,
    .cooperation-advantages {
        padding: 60px 0;
    }
}

/* 材料改性方案页面响应式样式 */
@media (max-width: 768px) {
    .material-categories {
        padding: 30px 0;
    }
    
    .category-tabs {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .category-tab {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .material-intro {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .properties-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 20px;
    }
    
    .data-images-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .material-sample {
        height: 250px;
    }
    
    .data-chart {
        height: auto;
        min-height: 450px;
        max-height: 800px;
    }
    
    .comparison-header {
        display: none; /* 手機端隱藏標題行 */
    }
    
    .comparison-row {
        grid-template-columns: 1fr;
        gap: 15px;
        background: #f8f9fa;
        border-radius: 12px;
        padding: 15px;
        margin-bottom: 15px;
    }
    
    .property-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background: white;
        border-radius: 8px;
        padding: 12px 15px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    
    .property-item.modified {
        background: linear-gradient(135deg, rgba(0,86,179,0.05) 0%, rgba(23,162,184,0.05) 100%);
        border-left: 4px solid var(--accent-color);
    }
    
    .improvement {
        background: linear-gradient(135deg, rgba(40,167,69,0.1) 0%, rgba(25,135,84,0.1) 100%);
        border-radius: 8px;
        padding: 12px 15px;
        text-align: center;
        border-left: 4px solid #28a745;
    }
    
    .comparison-header {
        text-align: center;
    }
    
    .comparison-row {
        padding: 20px 15px;
    }
    
    .property-item .property-icon {
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
        margin-right: 10px;
    }
    
    .property-item .property-value {
        font-size: 1rem;
        font-weight: 700;
        color: var(--primary-color);
    }
    
    .property-item .property-label {
        font-size: 0.8rem;
        color: #666;
        margin-left: 8px;
    }
    
    .improvement-value {
        font-size: 1.1rem;
        font-weight: 700;
        color: #28a745;
        display: block;
        margin-bottom: 4px;
    }
    
    .improvement-desc {
        font-size: 0.8rem;
        color: #666;
    }
    
    .data-images-grid.single-chart {
        max-width: 100%;
    }
    
    .sample-item {
        max-width: 100%;
    }
    
    .application-item {
        max-width: 100%;
    }
    
    .material-samples-section,
    .material-applications-section {
        padding: 20px 15px;
        margin: 30px 0;
    }
}

@media (max-width: 480px) {
    .material-section {
        padding: 40px 0;
    }
    
    .material-intro {
        gap: 25px;
        margin-bottom: 35px;
    }
    
    .intro-text h3 {
        font-size: 1.5rem;
    }
    
    .intro-text p {
        font-size: 1rem;
    }
    
    .properties-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .property-card {
        padding: 20px;
    }
    
    .property-card .property-value {
        font-size: 1.5rem;
    }
    
    .material-data-images h3 {
        font-size: 1.4rem;
    }
}

/* 联系我们页专属页眉：設定專屬背景圖（用戶可直接覆蓋同名檔） */
.contact-page-header {
    background: linear-gradient(rgba(0,0,0,0.28), rgba(0,0,0,0.28)), url('../images/contact/header-contact.png') center/cover no-repeat;
}

/* 可選：保留相同的上下 padding 以保持高度一致 */
.contact-page-header {
    padding: 220px 0 180px 0;
}

/* 产品卡片 - 常用於說明 */
.product-usage {
    margin-top: 10px;
    padding-top: 8px;
    border-top: 1px dashed #e5e9ef;
    color: #5a6b7b;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* 緊湊卡片中的『常用於』縮放 */
.compact-card .product-usage {
    font-size: 0.9rem;
    color: #607080;
}

@media (max-width: 768px) {
    .compact-card .product-usage {
        font-size: 0.88rem;
    }
}

/* 強制單列直排：物性數據表（single-chart）不並排顯示 */
.material-data-images .data-images-grid.single-chart {
    display: grid;
    grid-template-columns: 1fr !important;
    gap: 30px;
}