/* ========== 字体引入 ========== */
@font-face {
    font-family: "MyCustomFont";
    src: url("AlfaSlabOne-Regular.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ========== 重置所有默认样式 ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: #333;
    line-height: 1.6;
    background: #ffffff;
}

/* ========== 导航栏样式 ========== */
/* ========== 导航栏小屏幕适配 ========== */
@media (max-width: 1024px) {
    .nav {
        padding: 0 30px;
    }
    
    .nav ul {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 0 15px;
    }
    
    .nav ul {
        gap: 12px;
    }
    
    .nav ul li a {
        padding: 12px 8px;
        font-size: 14px;
    }
    
    #logo {
        height: 32px;
    }
    
    .dropdown-menu {
        min-width: 150px;
        right: 0;
        left: auto;
    }
    
    .dropdown-menu li a {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 0 10px;
    }
    
    .nav ul {
        gap: 8px;
    }
    
    .nav ul li a {
        padding: 10px 6px;
        font-size: 12px;
    }
    
    #logo {
        height: 28px;
    }
    
    .dropdown > a::after {
        font-size: 8px;
        margin-left: 2px;
    }
}
/* ========== 导航栏样式 ========== */
.nav {
    background-color: #ffffff;
    font-family: 'MyCustomFont', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    padding: 0 60px;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

body {
    padding-top: 70px;
}

.nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 0;
    margin: 0;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
}

.nav ul li:first-child {
    margin-right: auto;
}

.nav ul li {
    position: relative;
}

.nav ul li a {
    display: block;
    color: #1a2a3a;
    text-decoration: none;
    padding: 15px 10px;
    transition: all 0.3s;
}

.nav ul li a:hover {
    color: #007bff;
}

#logo {
    height: 40px;
    width: auto;
    vertical-align: middle;
}

/* 下拉菜单 */
.dropdown-menu {
    display: none !important;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: #ffffff;
    min-width: 180px;
    list-style: none;
    padding: 0;
    margin: 0;
    border-radius: 8px;
    flex-direction: column;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.dropdown-menu li {
    width: 100%;
    list-style: none;
}

.dropdown-menu li a {
    padding: 10px 15px;
    white-space: nowrap;
    color: #333;
}

.dropdown-menu li a:hover {
    background-color: #f0f7ff;
    color: #007bff;
}

.dropdown:hover .dropdown-menu {
    display: flex !important;
}

/* 下拉菜单箭头动画 */
.dropdown > a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.dropdown > a::after {
    content: '▼';
    font-size: 10px;
    color: #00b4ff;
    transition: transform 0.3s ease;
    display: inline-block;
    margin-left: 4px;
}

.dropdown:hover > a::after {
    transform: rotate(180deg);
}

/* ========== 汉堡菜单按钮 ========== */
.menu-toggle {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #1a2a3a;
    background: none;
    border: none;
    padding: 10px;
    z-index: 1001;
}

/* ========== 导航栏小屏幕适配 ========== */
@media (max-width: 1024px) {
    .nav {
        padding: 0 30px;
    }
    
    .nav ul {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .nav {
        padding: 10px 15px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 20px;
        gap: 12px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        z-index: 1000;
        max-width: none;
        margin: 0;
        border-radius: 0 0 12px 12px;
    }
    
    .nav ul.show {
        display: flex;
    }
    
    .nav ul li:first-child {
        margin-right: 0;
    }
    
    .nav ul li {
        width: 100%;
        text-align: center;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .nav ul li:last-child {
        border-bottom: none;
    }
    
    .nav ul li a {
        padding: 12px 0;
        font-size: 16px;
        font-weight: 500;
    }
    
    #logo {
        height: 36px;
        margin: 0;
    }
    
    /* 汉堡菜单按钮显示 */
    .menu-toggle {
        display: block;
    }
    
    /* 下拉菜单手机适配 */
    .dropdown-menu {
        position: static;
        width: 100%;
        box-shadow: none;
        background: #f8f9fa;
        margin-top: 8px;
        border-radius: 8px;
        padding: 8px 0;
    }
    
    .dropdown-menu li {
        border-bottom: none;
    }
    
    .dropdown-menu li a {
        padding: 10px 15px;
        text-align: center;
        font-size: 14px;
        color: #555;
    }
    
    .dropdown-menu li a:hover {
        background-color: #e8f0fe;
        color: #007bff;
    }
    
    .dropdown > a {
        justify-content: center;
        width: 100%;
    }
    
    .dropdown > a::after {
        margin-left: 8px;
    }
    
    /* 下拉菜单展开时箭头旋转 */
    .dropdown.active > a::after {
        transform: rotate(180deg);
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 8px 12px;
    }
    
    .nav ul {
        padding: 15px;
        gap: 10px;
    }
    
    .nav ul li a {
        padding: 10px 0;
        font-size: 14px;
    }
    
    #logo {
        height: 30px;
    }
    
    .menu-toggle {
        font-size: 22px;
        padding: 8px;
    }
    
    .dropdown-menu li a {
        padding: 8px 12px;
        font-size: 13px;
    }
}
/* ========== 首页顶部标题区域 ========== */
.index-top {
    width: 100%;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.index-top::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,180,255,0.08) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
    pointer-events: none;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.index-top h1 {
    font-size: 68px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    letter-spacing: -1px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.2);
    position: relative;
    animation: fadeInUp 0.8s ease-out;
}

.index-top h1::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #00b4ff, #007bff);
    border-radius: 2px;
    animation: expandWidth 0.6s ease-out 0.5s both;
}

.index-top h3 {
    font-size: 28px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    letter-spacing: 0.5px;
    position: relative;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes expandWidth {
    from { width: 0; }
    to { width: 100px; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========== About Section 样式 ========== */
.about-section {
    width: 100%;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 80px 20px;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 20% 40%, rgba(255,255,255,0.03) 1%, transparent 1%);
    background-size: 40px 40px;
    pointer-events: none;
}

.about-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    right: -10%;
    width: 50%;
    height: 80%;
    background: radial-gradient(circle, rgba(0,123,255,0.1) 0%, transparent 70%);
    pointer-events: none;
    border-radius: 50%;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.about-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 文字内容区域 - 所有文字居中 */
.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    margin-bottom: 50px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.about-section.visible .about-content {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

.about-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: black;
    background: white;
    padding: 6px 14px;
    border-radius: 30px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.about-content h2 {
    font-size: 42px;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    line-height: 1.3;
    position: relative;
    display: inline-block;
}

.about-content h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.about-desc {
    font-size: 16px;
    line-height: 1.8;
    color: rgba(255,255,255,0.85);
    margin-bottom: 30px;
    margin-top: 25px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 荣誉徽章 - 居中 */
.about-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: center;
    margin-bottom: 40px;
}

.badge {
    background: linear-gradient(135deg, #e8f0fe 0%, #dbe7f5 100%);
    color: #007bff;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0,123,255,0.1);
    border: 1px solid rgba(0,123,255,0.15);
    cursor: default;
}

.badge:hover {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,123,255,0.25);
    border-color: transparent;
}

.about-badges1 {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
    margin-bottom: 40px;
}

.badge1 {
    background: linear-gradient(135deg, #e8f0fe 0%, #dbe7f5 100%);
    color: #007bff;
    padding: 10px 20px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 2px 6px rgba(0,123,255,0.1);
    border: 1px solid rgba(0,123,255,0.15);
    cursor: default;
}

.badge1:hover {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
    color: white;
  /*  transform: translateY(-3px);*/
    box-shadow: 0 8px 20px rgba(0,123,255,0.25);
    border-color: transparent;
}

/* 统计数据卡片 - 居中 */
.about-stats {
    display: flex;
    gap: 30px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.about-stat-item {
    flex: 1;
    min-width: 120px;
    max-width: 180px;
    text-align: center;
    background: white;
    padding: 20px 15px;
    border-radius: 20px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.2);
}

.about-stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0,123,255,0.2);
    border-color: rgba(0,123,255,0.3);
}

.about-stat-number {
    font-size: 36px;
    font-weight: 800;
    color: #007bff;
    line-height: 1.2;
    margin-bottom: 8px;
}

.about-stat-label {
    font-size: 13px;
    color: #6c7a8e;
    font-weight: 500;
    line-height: 1.4;
}

/* 按钮动画 - 居中 */
.about-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    text-decoration: none;
    padding: 12px 28px;
    border-radius: 40px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    margin: 0 auto;
}

.about-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,123,255,0.3);
    gap: 12px;
}

/* 图片在下面，放大占满左右 */
.about-image-wrapper {
    text-align: center;
    margin-top: 40px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.about-section.visible .about-image-wrapper {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.about-image {
    display: block;
    max-width: 100%;
    width: 100%;
    border-radius: 28px;
    overflow: hidden;
    box-shadow: 0 25px 40px -12px rgba(0,0,0,0.3);
    margin: 0 auto;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 28px;
    transition: transform 0.4s ease;
    cursor: pointer;
}

.about-image:hover img {
    transform: scale(1.02);
}

.about-caption {
    margin-top: 16px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    font-style: italic;
    text-align: center;
}

/* 响应式 */
@media (max-width: 768px) {
    .about-section {
        padding: 60px 20px;
    }
    .about-content h2 {
        font-size: 32px;
    }
    .about-stat-number {
        font-size: 28px;
    }
    .about-image {
        border-radius: 20px;
    }
    .about-image-wrapper {
        margin-top: 30px;
    }
}

@media (max-width: 480px) {
    .about-content h2 {
        font-size: 28px;
    }
    .about-stat-item {
        min-width: 100px;
        padding: 15px 10px;
    }
    .about-stat-number {
        font-size: 24px;
    }
}
.FDA {
    max-width: 1200px;
    margin: 60px auto;
    padding: 50px 60px;
    background: linear-gradient(135deg, #ffffff 0%, #fafbfe 100%);
    border-radius: 28px;
    display: flex;
    gap: 60px;
    align-items: stretch;
    position: relative;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.FDA::before {
    content: '';
    position: absolute;
    top: 0;
    left: 30px;
    right: 30px;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00b4ff, #6c5ce7, #00b4ff, #007bff);
    border-radius: 4px;
}

.fda-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.fda-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.FDA h1 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 15px;
    opacity: 0;
}

.FDA h1::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 3px;
}

.FDA p {
    font-size: 16px;
    line-height: 1.8;
    color: #4a5568;
    margin-bottom: 18px;
    text-align: justify;
    opacity: 0;
}

.fda-content.visible h1 {
    animation: fadeInUp 0.5s ease forwards;
    animation-delay: 0.1s;
}

.fda-content.visible p {
    opacity: 0;
    transform: translateY(15px);
    animation: fadeInUp 0.5s ease forwards;
}

.fda-content.visible p:nth-of-type(1) { animation-delay: 0.2s; }
.fda-content.visible p:nth-of-type(2) { animation-delay: 0.35s; }
.fda-content.visible p:nth-of-type(3) { animation-delay: 0.5s; }

.fda-images {
    flex: 0.8;
    display: flex;
    flex-direction: column;
    gap: 30px;
    justify-content: center;
}

.certificate-item {
    text-align: center;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.certificate-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.certificate-item:first-child.visible { transition-delay: 0.15s; }
.certificate-item:last-child.visible { transition-delay: 0.35s; }

.certificate-item img {
    width: 100%;
    max-width: 280px;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 12px 28px rgba(0,0,0,0.12);
    cursor: pointer;
    transition: all 0.3s ease;
}

.certificate-item img:hover {
    transform: scale(1.03);
    box-shadow: 0 20px 35px rgba(0,123,255,0.2);
}

.certificate-label {
    margin-top: 12px;
    font-size: 14px;
    font-weight: 500;
    color: #007bff;
    background: rgba(0,123,255,0.1);
    padding: 6px 12px;
    border-radius: 20px;
    display: inline-block;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.5s ease;
}

.certificate-item.visible .certificate-label {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.55s;
}

/* ========== 产品区域样式 ========== */
.products {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.title {
    text-align: center;
    font-size: 36px;
    color: #333;
    margin-bottom: 15px;
}

.company {
    text-align: center;
    font-size: 16px;
    color: #666;
    margin-bottom: 40px;
}

/* 可拖拽滚动导航容器 */
.nav-scroll-container {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    cursor: grab;
    margin: 20px 0 30px 0;
    scroll-behavior: smooth;
    text-align: center;
}

.nav-scroll-container:active {
    cursor: grabbing;
}

.product-nav {
    display: inline-flex;
    gap: 12px;
    list-style: none;
    padding: 0;
    margin: 0 auto;
    width: auto;
    justify-content: center;
}

.nav-item {
    cursor: pointer;
    padding: 8px 16px;
    font-size: 14px;
    color: #333;
    background-color: #f0f0f0;
    border-radius: 4px;
    transition: all 0.3s;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-item:hover {
    background-color: #007bff;
    color: white;
}

.nav-item.active {
    background-color: #007bff;
    color: white;
}

.nav-scroll-container::-webkit-scrollbar {
    height: 6px;
}

.nav-scroll-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 3px;
}

.nav-scroll-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.content-panel {
    display: none;
    padding: 40px 20px;
    background-color: #f9f9f9;
    border-radius: 8px;
    margin-top: 20px;
}

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

.product-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 40px;
}

.product-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.product-card img {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin: 0 auto 15px;
    display: block;
}

.product-card p {
    font-size: 18px;
    font-weight: 500;
    color: #333;
    margin-bottom: 0;
}

.view-more-container {
    text-align: center;
    margin-top: 20px;
}

.view-more-btn {
    display: inline-block;
    padding: 12px 32px;
    font-size: 16px;
    font-weight: 500;
    color: white;
    background: linear-gradient(135deg, #007bff, #0056b3);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-more-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

/* ========== Service Area 样式 ========== */
.service-area {
    width: 100%;
    margin: 0;
    padding: 80px 20px;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    position: relative;
}

.service-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.service-title {
    text-align: center;
    font-size: 42px;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
    position: relative;
}

.service-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #00b4ff, #007bff);
    border-radius: 2px;
}

.service-subtitle {
    text-align: center;
    font-size: 18px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 50px;
}

.service-grid {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 30px;
    position: relative;
    min-height: 600px;
}

.service-card {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 340px;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.5;
    transform: scale(0.85);
    filter: blur(1px);
}

.service-card.active {
    opacity: 1;
    transform: scale(1);
    filter: blur(0);
    box-shadow: 0 25px 50px rgba(0,0,0,0.25);
    border-color: rgba(0,123,255,0.5);
    z-index: 10;
}

.service-card.prev {
    opacity: 0.5;
    transform: scale(0.85) translateX(-30px);
    filter: blur(0.8px);
}

.service-card.next {
    opacity: 0.5;
    transform: scale(0.85) translateX(30px);
    filter: blur(0.8px);
}

.service-card.hidden {
    display: none;
}

.service-icon {
    margin-bottom: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service-icon img {
    width: 80px;
    height: 80px;
    object-fit: contain;
    display: block;
    transition: transform 0.3s ease;
    background: #000000;
    border-radius: 50%;
    padding: 15px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

.service-card.active .service-icon img {
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 12px;
}

.service-card h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background: #007bff;
    border-radius: 1px;
}

/* 检测项目标签 - 文字放大 */
.service-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin: 25px 0;
    min-height: 240px;
    align-items: flex-start;
}

.item-tag {
    background: #f0f7ff;
    color: #007bff;
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 20px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: default;
    margin: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 80px;
    height: 42px;
    line-height: 1.2;
    box-sizing: border-box;
}

.item-tag:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
}
.service-btn {
    padding: 10px 28px;
    background: transparent;
    border: 2px solid #007bff;
    color: #007bff;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.service-btn:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,123,255,0.3);
}

/* ========== Milestone 区域 ========== */
.milestone-section {
    padding: 60px 20px;
    text-align: center;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.milestone-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.milestone-container {
    max-width: 1200px;
    margin: 0 auto;
}

.milestone-section h1 {
    font-size: 36px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 40px;
    position: relative;
    display: inline-block;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.1s;
}

.milestone-section.visible h1 {
    opacity: 1;
    transform: translateY(0);
}

.milestone-section h1::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.milestone-section img {
    width: 100%;
    max-width: 1000px;
    height: auto;
    display: block;
    margin: 0 auto;
    border-radius: 16px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    transition-delay: 0.2s;
}

.milestone-section.visible img {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* ========== Innovation Area 样式 ========== */
.innovation-area {
    padding: 80px 20px;
    background: #f5f9ff;
    width: 100%;
}

.innovation-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

.innovation-title {
    text-align: center;
    font-size: 38px;
    font-weight: 700;
    color: #1a4d8c;
    margin-bottom: 12px;
}

.innovation-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #2a7f6e, #4a9eff);
    margin: 20px auto 0;
    border-radius: 2px;
}

.innovation-subtitle {
    text-align: center;
    font-size: 18px;
    color: #5a6e8c;
    margin-bottom: 50px;
}

.innovation-grid {
    display: flex;
    gap: 24px;
    justify-content: center;
    width: 100%;
    flex-wrap: wrap;
}

.innovation-card {
    flex: 1;
    min-width: 280px;
    max-width: 380px;
    border-radius: 28px;
    padding: 28px 20px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    opacity: 0;
    transform: translateY(40px);
    animation: cardSlideUp 0.6s forwards, gentleBreathing 3s ease-in-out infinite;
}

.innovation-card:nth-child(1) { animation-delay: 0s, 0s; }
.innovation-card:nth-child(2) { animation-delay: 0.1s, 0s; }
.innovation-card:nth-child(3) { animation-delay: 0.2s, 0s; }
.innovation-card:nth-child(4) { animation-delay: 0.3s, 0s; }
.innovation-card:nth-child(5) { animation-delay: 0.4s, 0s; }

.innovation-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 45px rgba(0,0,0,0.15);
    animation-play-state: paused;
}

.innovation-card img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 20px;
}

.innovation-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.4;
}

.innovation-card p {
    font-size: 13px;
    line-height: 1.55;
    opacity: 0.9;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

/* 卡片配色 */
.innovation-card:nth-child(1) { background: linear-gradient(145deg, #e6f4f0 0%, #cde8e2 100%); border-bottom: 4px solid #2a9d8f; }
.innovation-card:nth-child(1) h3 { color: #1e6b5e; }
.innovation-card:nth-child(2) { background: linear-gradient(145deg, #f0eefa 0%, #e4dfef 100%); border-bottom: 4px solid #7c6bc4; }
.innovation-card:nth-child(2) h3 { color: #5a49a8; }
.innovation-card:nth-child(3) { background: linear-gradient(145deg, #fff0e6 0%, #ffe0d4 100%); border-bottom: 4px solid #e58e5e; }
.innovation-card:nth-child(3) h3 { color: #c46d3e; }
.innovation-card:nth-child(4) { background: linear-gradient(145deg, #e8edf9 0%, #d9e2f0 100%); border-bottom: 4px solid #4a7db5; }
.innovation-card:nth-child(4) h3 { color: #2c5a8c; }
.innovation-card:nth-child(5) { background: linear-gradient(145deg, #e3edf7 0%, #d1e0ed 100%); border-bottom: 4px solid #2c6e9e; }
.innovation-card:nth-child(5) h3 { color: #1c5580; }

@keyframes cardSlideUp {
    0% { opacity: 0; transform: translateY(40px); }
    100% { opacity: 1; transform: translateY(0); }
}

@keyframes gentleBreathing {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-4px); }
    100% { transform: translateY(0px); }
}

/* ========== Trust 区域 ========== */
.trust {
    width: 100%;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 80px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.trust h1 {
    font-size: 38px;
    font-weight: 700;
    color: white;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.trust.visible h1 {
    opacity: 1;
    transform: translateY(0);
}

.trust-bottom {
    display: flex;
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.platform-section {
    flex: 1;
    background: url('img/Trust.png') no-repeat center center;
    background-size: cover;
    border-radius: 24px;
    padding: 50px 40px;
    position: relative;
    z-index: 1;
    min-height: 450px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.6s ease;
}

.trust.visible .platform-section {
    opacity: 1;
    transform: translateX(0);
}

.platform-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    border-radius: 24px;
    z-index: -1;
}

.platform-section img {
    width: 240px;
    height: auto;
    margin: 0 auto 25px auto;
    position: relative;
    z-index: 2;
    display: block;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.5s ease;
}

.trust.visible .platform-section img {
    opacity: 1;
    transform: scale(1);
    transition-delay: 0.2s;
}

.platform-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: #ffaa44;
    margin-bottom: 25px;
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.trust.visible .platform-section h3 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

.platform-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    position: relative;
    z-index: 2;
}

.platform-list li {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 10px 24px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 500;
    transition: all 0.3s ease;
    backdrop-filter: blur(4px);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s ease;
}

.trust.visible .platform-list li {
    opacity: 1;
    transform: translateY(0);
}

.trust.visible .platform-list li:nth-child(1) { transition-delay: 0.4s; }
.trust.visible .platform-list li:nth-child(2) { transition-delay: 0.5s; }
.trust.visible .platform-list li:nth-child(3) { transition-delay: 0.6s; }
.trust.visible .platform-list li:nth-child(4) { transition-delay: 0.7s; }
.trust.visible .platform-list li:nth-child(5) { transition-delay: 0.8s; }

.coverage-section {
    flex: 1;
    background: url('img/Trust2.png') no-repeat center center;
    background-size: cover;
    border-radius: 24px;
    padding: 50px 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    text-align: left;
    position: relative;
    z-index: 1;
    min-height: 450px;
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.6s ease;
}

.trust.visible .coverage-section {
    opacity: 1;
    transform: translateX(0);
}

.coverage-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.65);
    border-radius: 24px;
    z-index: -1;
}

.coverage-section img {
    width: 240px;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: brightness(0) invert(1);
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.5s ease;
}

.trust.visible .coverage-section img {
    opacity: 1;
    transform: scale(1);
    transition-delay: 0.2s;
}

.coverage-section h3 {
    font-size: 24px;
    font-weight: 600;
    color: #ffaa44;
    margin: 0;
    line-height: 1.4;
    flex: 1;
    position: relative;
    z-index: 2;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
}

.trust.visible .coverage-section h3 {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.3s;
}

/* ========== Trust Stats 区域翻滚动画 ========== */
.trust-stats-section {
    width: 100%;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px) rotateX(15deg);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.trust-stats-section.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}

/* 装饰元素 */
.trust-stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle at 20% 40%, rgba(255,255,255,0.03) 1%, transparent 1%);
    background-size: 40px 40px;
    pointer-events: none;
}

.trust-stats-container {
    max-width: 1200px;
    margin: 0 auto;
}

/* 头部动画 */
.trust-stats-header {
    text-align: center;
    margin-bottom: 60px;
    opacity: 0;
    transform: translateY(30px) rotateX(-10deg);
    transition: all 0.6s ease;
}

.trust-stats-section.visible .trust-stats-header {
    opacity: 1;
    transform: translateY(0) rotateX(0);
    transition-delay: 0.1s;
}

.trust-stats-title {
    font-size: 38px;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.trust-stats-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #00b4ff, #007bff);
    border-radius: 2px;
}

.trust-stats-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.7);
    margin-top: 25px;
}

/* 统计卡片网格 */
.trust-stats-grid {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

/* 统计卡片 - 翻滚旋转动画 */
.stat-card {
    flex: 1;
    min-width: 180px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    padding: 35px 20px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    border: 1px solid rgba(255,255,255,0.1);
    opacity: 0;
    transform: translateY(40px) rotateX(20deg) scale(0.9);
    transition: all 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.trust-stats-section.visible .stat-card {
    opacity: 1;
    transform: translateY(0) rotateX(0) scale(1);
}

/* 卡片依次出现 */
.trust-stats-section.visible .stat-card:nth-child(1) { transition-delay: 0.2s; }
.trust-stats-section.visible .stat-card:nth-child(2) { transition-delay: 0.3s; }
.trust-stats-section.visible .stat-card:nth-child(3) { transition-delay: 0.4s; }
.trust-stats-section.visible .stat-card:nth-child(4) { transition-delay: 0.5s; }
.trust-stats-section.visible .stat-card:nth-child(5) { transition-delay: 0.6s; }

.stat-card:hover {
    transform: translateY(-8px);
    background: rgba(255,255,255,0.15);
    border-color: rgba(0,123,255,0.5);
    box-shadow: 0 20px 35px rgba(0,0,0,0.2);
}

/* 数字样式 - 带翻转效果 */
.stat-number {
    font-size: 48px;
    font-weight: 800;
    color: #00b4ff;
    margin-bottom: 15px;
    line-height: 1.2;
    letter-spacing: -1px;
    opacity: 0;
    transform: translateY(20px) rotateX(30deg);
    transition: all 0.5s ease;
}

.trust-stats-section.visible .stat-number {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}

.trust-stats-section.visible .stat-card:nth-child(1) .stat-number { transition-delay: 0.3s; }
.trust-stats-section.visible .stat-card:nth-child(2) .stat-number { transition-delay: 0.4s; }
.trust-stats-section.visible .stat-card:nth-child(3) .stat-number { transition-delay: 0.5s; }
.trust-stats-section.visible .stat-card:nth-child(4) .stat-number { transition-delay: 0.6s; }
.trust-stats-section.visible .stat-card:nth-child(5) .stat-number { transition-delay: 0.7s; }

/* 标签样式 */
.stat-label {
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    line-height: 1.5;
    opacity: 0;
    transform: translateY(15px);
    transition: all 0.5s ease;
}

.trust-stats-section.visible .stat-label {
    opacity: 1;
    transform: translateY(0);
}

.trust-stats-section.visible .stat-card:nth-child(1) .stat-label { transition-delay: 0.4s; }
.trust-stats-section.visible .stat-card:nth-child(2) .stat-label { transition-delay: 0.5s; }
.trust-stats-section.visible .stat-card:nth-child(3) .stat-label { transition-delay: 0.6s; }
.trust-stats-section.visible .stat-card:nth-child(4) .stat-label { transition-delay: 0.7s; }
.trust-stats-section.visible .stat-card:nth-child(5) .stat-label { transition-delay: 0.8s; }

/* 响应式 */
@media (max-width: 900px) {
    .trust-stats-grid {
        gap: 20px;
    }
    
    .stat-card {
        min-width: 160px;
        padding: 25px 15px;
    }
    
    .stat-number {
        font-size: 36px;
    }
    
    .trust-stats-title {
        font-size: 32px;
    }
}

@media (max-width: 768px) {
    .trust-stats-section {
        padding: 50px 20px;
    }
    
    .trust-stats-header {
        margin-bottom: 40px;
    }
    
    .trust-stats-title {
        font-size: 28px;
    }
    
    .trust-stats-subtitle {
        font-size: 14px;
    }
    
    .trust-stats-grid {
        gap: 15px;
    }
    
    .stat-card {
        min-width: calc(50% - 15px);
        padding: 20px 12px;
    }
    
    .stat-number {
        font-size: 32px;
    }
    
    .stat-label {
        font-size: 12px;
    }
}

@media (max-width: 480px) {
    .stat-card {
        min-width: 100%;
    }
}

/* ========== 全屏模态框样式 ========== */
.image-modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    animation: fadeIn 0.3s ease;
}

.image-modal-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    animation: zoomIn 0.3s ease;
}

.image-modal-prev,
.image-modal-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.3);
    color: white;
    border: none;
    padding: 16px 24px;
    cursor: pointer;
    font-size: 28px;
    border-radius: 50%;
    transition: all 0.3s;
    z-index: 2001;
}

.image-modal-prev:hover,
.image-modal-next:hover {
    background: rgba(255,255,255,0.5);
    transform: translateY(-50%) scale(1.1);
}

.image-modal-prev { left: 30px; }
.image-modal-next { right: 30px; }

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 2001;
}

.image-modal-close:hover { color: #bbb; }

.image-modal-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 14px;
    background: rgba(0,0,0,0.6);
    padding: 6px 12px;
    border-radius: 20px;
    z-index: 2001;
}

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

@keyframes zoomIn {
    from { transform: scale(0.8); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

/* ========== Product 页面新增样式 ========== */
.Prod {
    text-align: center;
    font-size: 36px;
    color: white;
    background-image: url('img/10.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    padding: 80px 0;
    margin: 0;
    position: relative;
    z-index: 1;
}

.Prod::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
}

.sub-nav {
    text-align: left;
    margin: 20px 0 40px 0;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
}

.sub-link {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    transition: color 0.3s ease;
}

.sub-link:hover {
    color: #007bff;
}

.sub-link.active {
    color: #007bff;
    font-weight: 500;
}

.separator {
    margin: 0 8px;
    color: #ccc;
    font-size: 14px;
}

.home-icon {
    font-size: 14px;
    margin-right: 5px;
    display: inline-block;
    transition: transform 0.3s ease;
}

.sub-link:hover .home-icon {
    transform: translateY(-2px);
}

/* 产品头部样式 */
.product-header {
    display: flex;
    align-items: center;
    gap: 40px;
    padding: 30px;
    margin-bottom: 20px;
    background-color: #f9f9f9;
    border-radius: 12px;
}

.product-header-left {
    flex-shrink: 0;
}

.product-header-image {
    max-width: 600px;
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.product-header-right {
    flex: 1;
}

.product-header-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    line-height: 1.4;
    margin: 0;
}

/* 简单横向导航 */
.nav-container {
    text-align: center;
    margin: 30px 0;
}

.product-nav-simple {
    display: inline-flex;
    gap: 20px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-item-simple {
    cursor: pointer;
    padding: 10px 24px;
    font-size: 16px;
    font-weight: 500;
    color: #666;
    background-color: #f0f0f0;
    border-radius: 4px;
    transition: all 0.3s;
}

.nav-item-simple:hover {
    background-color: #007bff;
    color: white;
}

.nav-item-simple.active {
    background-color: #007bff;
    color: white;
}

/* 内容样式 */
.dimension-info, .intended-info, .principle-info {
    text-align: center;
    max-width: 800px;
    margin: 30px auto 0;
}

.dimension-info h4, .intended-info h4, .principle-info h4 {
    font-size: 28px;
    color: #007bff;
    margin-bottom: 30px;
}

.spec-list, .use-list, .testresult-list, .certificate-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.spec-list img, .use-list img, .testresult-list img, .certificate-list img {
    width: 100%;
    max-width: 800px;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
    cursor: pointer;
}

.spec-list img:hover, .use-list img:hover, .testresult-list img:hover, .certificate-list img:hover {
    transform: scale(1.02);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

.certificate-item .certificate-label {
    margin-top: 15px;
    font-size: 16px;
    font-weight: 500;
    color: #007bff;
    background: rgba(0,123,255,0.1);
    padding: 8px 20px;
    border-radius: 25px;
    display: inline-block;
    transition: all 0.3s ease;
}

/* 下载文档区域 */
.download-section {
    margin-top: 40px;
    padding: 25px;
    background: white;
    border-radius: 12px;
    border: 1px solid #e0e0e0;
}

.download-section h4 {
    font-size: 20px;
    color: #007bff;
    margin-bottom: 20px;
    border-left: 4px solid #007bff;
    padding-left: 15px;
}

.download-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 0;
    transition: all 0.3s ease;
}

.download-item:hover {
    background-color: #f9f9f9;
    padding-left: 10px;
    border-radius: 8px;
}

.download-icon {
    font-size: 24px;
    margin-right: 15px;
}

.download-title {
    flex: 1;
    font-size: 15px;
    color: #333;
    font-weight: 500;
}

.download-btn {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,123,255,0.3);
}

/* Support & Download 页面样式 */
.support-title {
    text-align: center;
    font-size: 42px;
    color: #1a2a3a;
    margin: 40px 0 30px;
    font-weight: 700;
}

.support-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.support-section {
    background: linear-gradient(135deg, #f8faff 0%, #f0f4fa 100%);
    border-radius: 24px;
    padding: 40px;
    margin-bottom: 40px;
}

.support-section h2 {
    font-size: 28px;
    color: #007bff;
    margin-bottom: 30px;
    border-left: 4px solid #007bff;
    padding-left: 15px;
}

.support-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.support-item {
    display: flex;
    gap: 20px;
    background: white;
    padding: 25px;
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.support-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.support-icon {
    font-size: 40px;
}

.support-detail h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.support-detail p {
    font-size: 14px;
    color: #666;
    margin-bottom: 5px;
}

.chat-btn {
    margin-top: 10px;
    padding: 8px 20px;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
}

/* 下载网格 */
.download-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.download-card {
    background: #f9f9f9;
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #eee;
}

.download-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
    border-color: #007bff;
}

.download-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.download-card h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

.download-card p {
    font-size: 13px;
    color: #666;
    margin-bottom: 20px;
}

.download-card .download-btn {
    padding: 8px 20px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 13px;
}

/* FAQ 区域 */
.faq-section {
    background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
    border-radius: 24px;
    padding: 40px;
    border: 1px solid #e8ecf2;
}

.faq-section h2 {
    font-size: 28px;
    color: #007bff;
    margin-bottom: 30px;
    border-left: 4px solid #007bff;
    padding-left: 15px;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.faq-item {
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    background: white;
    padding: 18px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    color: #333;
    transition: background 0.3s;
}

.faq-question:hover {
    background: #f5f5f5;
}

.faq-icon {
    font-size: 20px;
    font-weight: bold;
    color: #007bff;
}

.faq-answer {
    padding: 0 20px 20px 20px;
    background: #fafafa;
    color: #666;
    line-height: 1.6;
    display: none;
}

/* Upload 页面样式 */
.upload-info h4 {
    font-size: 28px;
    color: #007bff;
    margin-bottom: 30px;
    text-align: center;
}

.upload-container {
    max-width: 800px;
    margin: 0 auto;
}

.upload-area {
    border: 2px dashed #ccc;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
    margin-bottom: 30px;
}

.upload-area:hover {
    border-color: #007bff;
    background: #f0f7ff;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 15px;
}

.upload-browse-btn {
    margin-top: 15px;
    padding: 8px 24px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s;
}

.upload-list {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 30px;
}

.file-list {
    max-height: 200px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px;
    background: white;
    border-radius: 8px;
    margin-bottom: 8px;
    border: 1px solid #e0e0e0;
}

.file-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.remove-file {
    background: none;
    border: none;
    color: #ff4444;
    cursor: pointer;
    font-size: 18px;
}

.upload-form {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 25px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 14px;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: #007bff;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #28a745, #218838);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

/* ========== 响应式设计 ========== */
@media (max-width: 1200px) {
    .innovation-grid {
        flex-wrap: wrap;
    }
    .innovation-card {
        flex: 0 0 calc(33.33% - 20px);
    }
}

@media (max-width: 900px) {
    .trust-bottom {
        flex-direction: column;
        gap: 30px;
    }
    .service-grid {
        flex-direction: column;
        align-items: center;
    }
    .trust-stats-grid {
        gap: 20px;
    }
    .stat-card {
        min-width: 160px;
    }
    .innovation-card {
        flex: 0 0 calc(50% - 20px);
    }
}

@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }
    .nav {
        padding: 0 20px;
    }
    .nav ul {
        gap: 15px;
    }
    .carousel-slide img {
        height: 300px;
    }
    .index-top {
        padding: 80px 20px;
    }
    .index-top h1 {
        font-size: 42px;
    }
    .index-top h3 {
        font-size: 20px;
    }
    .FDA {
        flex-direction: column;
        padding: 35px 25px;
    }
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    .US {
        padding: 30px 15px;
    }
    .us-row {
        flex-direction: column;
        text-align: center;
    }
    .trust-stats-title {
        font-size: 32px;
    }
    .stat-card {
        min-width: calc(50% - 15px);
    }
    .stat-number {
        font-size: 32px;
    }
    .service-title {
        font-size: 32px;
    }
    .innovation-title {
        font-size: 32px;
    }
    .milestone-section h1 {
        font-size: 28px;
    }
    .footer-container {
        flex-direction: column;
        padding: 50px 40px;
        align-items: center;
        text-align: center;
    }
    .footer-links ul {
        grid-template-columns: repeat(2, 1fr);
        max-width: 500px;
        margin: 0 auto;
    }
    .support-info {
        grid-template-columns: 1fr;
    }
    .download-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 550px) {
    .innovation-card {
        flex: 0 0 100%;
    }
    .product-grid {
        grid-template-columns: 1fr;
    }
    .footer-links ul {
        grid-template-columns: 1fr;
    }
    .stat-card {
        min-width: 100%;
    }
    .download-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .index-top {
        padding: 60px 20px;
    }
    .index-top h1 {
        font-size: 32px;
    }
    .index-top h3 {
        font-size: 16px;
    }
    .index-top h1::after {
        width: 60px;
    }
    @keyframes expandWidth {
        from { width: 0; }
        to { width: 60px; }
    }
}

/* ========== Market Impact Section 样式 ========== */
.impact-section {
    width: 100%;
    padding: 100px 60px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(60px) rotateX(20deg);
    transition: all 0.9s cubic-bezier(0.2, 0.9, 0.4, 1.2);
    perspective: 1000px;
}

.impact-section.visible {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}

/* 装饰元素 - 动态光晕 */
.impact-section::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -20%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle, rgba(0,123,255,0.03) 0%, transparent 70%);
    animation: rotateGlow 25s linear infinite;
    pointer-events: none;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.impact-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle at 100% 100%, rgba(0,180,255,0.02) 0%, transparent 70%);
    pointer-events: none;
}

.impact-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* 头部区域 - 波浪翻滚动画 */
.impact-header {
    text-align: center;
    margin-bottom: 70px;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    transition: all 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.impact-section.visible .impact-header {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition-delay: 0.1s;
}

.impact-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: #007bff;
    background: rgba(0,123,255,0.1);
    padding: 8px 20px;
    border-radius: 40px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

.impact-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0,123,255,0.2), transparent);
    transition: left 0.6s ease;
}

.impact-section.visible .impact-tag::before {
    left: 100%;
}

.impact-header h2 {
    font-size: 44px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 20px;
    line-height: 1.3;
    position: relative;
    display: inline-block;
}

.impact-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
    transition: width 0.6s ease;
}

.impact-section.visible .impact-header h2::after {
    width: 80px;
}

.impact-header p {
    font-size: 17px;
    color: #5a6e8a;
    max-width: 700px;
    margin: 20px auto 0;
    line-height: 1.6;
}

/* 卡片网格 */
.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    perspective: 1000px;
}

/* 卡片样式 - 3D 翻转出现 */
.impact-card {
    background: white;
    border-radius: 28px;
    padding: 35px 20px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    box-shadow: 0 8px 25px rgba(0,0,0,0.05);
    border: 1px solid #eef2f8;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px) rotateY(30deg) scale(0.9);
    transition: all 0.7s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    transform-style: preserve-3d;
}

.impact-section.visible .impact-card {
    opacity: 1;
    transform: translateY(0) rotateY(0) scale(1);
}

/* 卡片依次出现 */
.impact-section.visible .impact-card:nth-child(1) { transition-delay: 0.15s; }
.impact-section.visible .impact-card:nth-child(2) { transition-delay: 0.3s; }
.impact-section.visible .impact-card:nth-child(3) { transition-delay: 0.45s; }
.impact-section.visible .impact-card:nth-child(4) { transition-delay: 0.6s; }

/* 卡片悬停效果 */
.impact-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00b4ff, #6c5ce7);
    transform: scaleX(0);
    transition: transform 0.5s ease;
    transform-origin: left;
}

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

.impact-card:hover {
    transform: translateY(-10px) rotateY(0) !important;
    box-shadow: 0 25px 40px rgba(0,123,255,0.12);
    border-color: rgba(0,123,255,0.2);
}

/* 数字样式 - 弹跳翻转 */
.impact-number {
    font-size: 52px;
    font-weight: 800;
    color: #007bff;
    margin-bottom: 15px;
    line-height: 1.2;
    letter-spacing: -1px;
    opacity: 0;
    transform: translateY(30px) rotateX(45deg);
    transition: all 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.2);
}

.impact-section.visible .impact-number {
    opacity: 1;
    transform: translateY(0) rotateX(0);
}

.impact-section.visible .impact-card:nth-child(1) .impact-number { transition-delay: 0.25s; }
.impact-section.visible .impact-card:nth-child(2) .impact-number { transition-delay: 0.4s; }
.impact-section.visible .impact-card:nth-child(3) .impact-number { transition-delay: 0.55s; }
.impact-section.visible .impact-card:nth-child(4) .impact-number { transition-delay: 0.7s; }

/* 标签样式 - 滑入 */
.impact-label {
    font-size: 18px;
    font-weight: 600;
    color: #1a2a3a;
    margin-bottom: 8px;
    opacity: 0;
    transform: translateX(-20px);
    transition: all 0.5s ease;
}

.impact-section.visible .impact-label {
    opacity: 1;
    transform: translateX(0);
}

.impact-section.visible .impact-card:nth-child(1) .impact-label { transition-delay: 0.35s; }
.impact-section.visible .impact-card:nth-child(2) .impact-label { transition-delay: 0.5s; }
.impact-section.visible .impact-card:nth-child(3) .impact-label { transition-delay: 0.65s; }
.impact-section.visible .impact-card:nth-child(4) .impact-label { transition-delay: 0.8s; }

/* 副标签样式 - 从右滑入 */
.impact-sub {
    font-size: 13px;
    color: #6c7a8e;
    line-height: 1.5;
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s ease;
}

.impact-section.visible .impact-sub {
    opacity: 1;
    transform: translateX(0);
}

.impact-section.visible .impact-card:nth-child(1) .impact-sub { transition-delay: 0.45s; }
.impact-section.visible .impact-card:nth-child(2) .impact-sub { transition-delay: 0.6s; }
.impact-section.visible .impact-card:nth-child(3) .impact-sub { transition-delay: 0.75s; }
.impact-section.visible .impact-card:nth-child(4) .impact-sub { transition-delay: 0.9s; }

/* 响应式 */
@media (max-width: 1100px) {
    .impact-section {
        padding: 80px 40px;
    }
    
    .impact-header h2 {
        font-size: 38px;
    }
    
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    
    .impact-number {
        font-size: 44px;
    }
}

@media (max-width: 768px) {
    .impact-section {
        padding: 60px 20px;
    }
    
    .impact-header {
        margin-bottom: 50px;
    }
    
    .impact-header h2 {
        font-size: 30px;
    }
    
    .impact-header p {
        font-size: 15px;
    }
    
    .impact-tag {
        font-size: 12px;
        padding: 6px 16px;
    }
    
    .impact-number {
        font-size: 38px;
    }
    
    .impact-label {
        font-size: 16px;
    }
    
    .impact-sub {
        font-size: 12px;
    }
}

@media (max-width: 600px) {
    .impact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .impact-card {
        padding: 28px 20px;
    }
}


/* ========== Publications Section 完整样式 ========== */

/* 整体区域滚动动画 */
.publications-section {
    width: 100%;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 100px 60px;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.publications-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 装饰元素 */
.publications-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(circle at 100% 0%, rgba(0,123,255,0.03) 0%, transparent 70%);
    pointer-events: none;
}

.publications-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40%;
    height: 60%;
    background: radial-gradient(circle at 0% 100%, rgba(0,180,255,0.02) 0%, transparent 70%);
    pointer-events: none;
}

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

/* ========== 头部区域样式 ========== */
.publications-header {
    text-align: center;
    margin-bottom: 70px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.publications-section.visible .publications-header {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.1s;
}

/* 标签样式 - 放在最上面 */
.publications-tag {
    display: inline-block;
    font-size: 15px;
    font-weight: 600;
    color: black;
    background: white;
    padding: 8px 20px;
    border-radius: 40px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    order: 1;
}

.publications-tag:hover {
    background: rgba(0,123,255,0.2);
    transform: translateY(-2px);
}

/* 主标题 - 放在标签下面 */
.publications-header h2 {
    font-size: 48px;
    font-weight: 700;
    color: White;
    margin-bottom: 20px;
    line-height: 1.2;
    position: relative;
    display: inline-block;
    order: 2;
}

/* 标题装饰下划线 */
.publications-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: white;
    border-radius: 2px;
}

/* 描述文字 - 放在标题下面 */
.publications-header p {
    font-size: 18px;
    color: white;
    max-width: 800px;
    margin: 20px auto 0;
    line-height: 1.6;
    order: 3;
}

/* ========== 卡片网格区域 ========== */
.publications-grid {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* 卡片样式 */
.publication-card {
    flex: 1;
    min-width: 320px;
    max-width: 400px;
    background: white;
    border-radius: 32px;
    padding: 40px 32px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
    border: 1px solid #eef2f8;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.publications-section.visible .publication-card {
    opacity: 1;
    transform: translateY(0);
}

.publications-section.visible .publication-card:nth-child(1) { transition-delay: 0.2s; }
.publications-section.visible .publication-card:nth-child(2) { transition-delay: 0.35s; }
.publications-section.visible .publication-card:nth-child(3) { transition-delay: 0.5s; }

/* 卡片顶部渐变条 */
.publication-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #007bff, #00b4ff, #6c5ce7);
    transform: scaleX(0);
    transition: transform 0.5s ease;
    transform-origin: left;
}

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

.publication-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 30px 50px rgba(0,123,255,0.12);
    border-color: rgba(0,123,255,0.25);
}

/* 卡片图片 */
.pub-number {
    margin-bottom: 28px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.pub-number img {
    width: 100px;
    height: 100px;
    object-fit: contain;
    transition: all 0.4s ease;
    filter: drop-shadow(0 8px 15px rgba(0,0,0,0.08));
}

/* b1 和 b3 图片放大到 360px */
.publication-card:first-child .pub-number img,
.publication-card:nth-child(2) .pub-number img,
.publication-card:last-child .pub-number img {
    width: 360px;
    height: 360px;
}


.publication-card:hover .pub-number img {
    transform: scale(1.05);
    filter: drop-shadow(0 15px 25px rgba(0,123,255,0.25));
}

/* 卡片标题 */
.publication-card h3 {
    font-size: 26px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 16px;
    line-height: 1.3;
}

/* 卡片描述 */
.publication-card p {
    font-size: 15px;
    color: #6c7a8e;
    line-height: 1.7;
    margin: 0;
}

/* ========== 标准徽章区域 ========== */
.standards-badge {
    background: linear-gradient(135deg, #f0f7ff 0%, #e8f0fe 100%);
    border-radius: 28px;
    padding: 32px 40px;
    display: flex;
    align-items: center;
    gap: 28px;
    transition: all 0.4s ease;
    border: 1px solid rgba(0,123,255,0.12);
    margin-top: 20px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.publications-section.visible .standards-badge {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.6s;
}

.standards-badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px rgba(0,123,255,0.1);
    border-color: rgba(0,123,255,0.25);
}

.standards-icon {
    font-size: 56px;
    background: white;
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.standards-badge:hover .standards-icon {
    transform: scale(1.05);
}

.standards-info strong {
    font-size: 22px;
    font-weight: 700;
    color: #1a2a3a;
    display: block;
    margin-bottom: 8px;
}

.standards-info p {
    font-size: 16px;
    color: #5a6e8a;
    margin: 0;
    line-height: 1.5;
}

/* ========== 响应式 ========== */
@media (max-width: 1400px) {
    .publications-section {
        padding: 80px 60px;
    }
    
    .publication-card:first-child .pub-number img,
    .publication-card:last-child .pub-number img {
        width: 320px;
        height: 320px;
    }
}

@media (max-width: 1200px) {
    .publications-section {
        padding: 70px 40px;
    }
    
    .publications-header h2 {
        font-size: 42px;
    }
    
    .publications-grid {
        gap: 30px;
    }
    
    .publication-card {
        min-width: 280px;
        padding: 32px 24px;
    }
    
    .publication-card:first-child .pub-number img,
    .publication-card:last-child .pub-number img {
        width: 280px;
        height: 280px;
    }
    
    .publication-card:nth-child(2) .pub-number img {
        width: 180px;
        height: 180px;
    }
    
    .publication-card h3 {
        font-size: 24px;
    }
    
    .publications-header p {
        font-size: 16px;
    }
}

@media (max-width: 1000px) {
    .publications-section {
        padding: 60px 30px;
    }
    
    .publications-header h2 {
        font-size: 36px;
    }
    
    .publications-header p {
        font-size: 16px;
    }
    
    .publications-grid {
        gap: 25px;
    }
    
    .publication-card {
        min-width: 260px;
        padding: 28px 20px;
    }
    
    .publication-card:first-child .pub-number img,
    .publication-card:last-child .pub-number img {
        width: 240px;
        height: 240px;
    }
    
    .publication-card:nth-child(2) .pub-number img {
        width: 160px;
        height: 160px;
    }
    
    .publication-card h3 {
        font-size: 22px;
    }
}

@media (max-width: 900px) {
    .publications-grid {
        flex-direction: column;
        align-items: center;
    }
    
    .publication-card {
        max-width: 480px;
        width: 100%;
    }
    
    .publication-card:first-child .pub-number img,
    .publication-card:last-child .pub-number img {
        width: 280px;
        height: 280px;
    }
    
    .publication-card:nth-child(2) .pub-number img {
        width: 180px;
        height: 180px;
    }
    
    .standards-badge {
        flex-direction: column;
        text-align: center;
        padding: 28px 25px;
    }
    
    .standards-icon {
        width: 75px;
        height: 75px;
        font-size: 48px;
    }
    
    .standards-info strong {
        font-size: 20px;
    }
    
    .publications-header {
        margin-bottom: 50px;
    }
    
    .publications-header h2 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .publications-section {
        padding: 50px 20px;
    }
    
    .publications-header {
        margin-bottom: 40px;
    }
    
    .publications-header h2 {
        font-size: 30px;
    }
    
    .publications-header p {
        font-size: 15px;
    }
    
    .publications-tag {
        font-size: 13px;
        padding: 6px 16px;
        margin-bottom: 20px;
    }
    
    .publications-header h2::after {
        width: 60px;
        height: 3px;
        bottom: -10px;
    }
    
    .publication-card {
        padding: 28px 20px;
    }
    
    .publication-card:first-child .pub-number img,
    .publication-card:last-child .pub-number img {
        width: 220px;
        height: 220px;
    }
    
    .publication-card:nth-child(2) .pub-number img {
        width: 150px;
        height: 150px;
    }
    
    .publication-card h3 {
        font-size: 22px;
    }
    
    .publication-card p {
        font-size: 14px;
    }
    
    .standards-info strong {
        font-size: 18px;
    }
    
    .standards-info p {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .publications-header h2 {
        font-size: 26px;
    }
    
    .publications-header p {
        font-size: 14px;
    }
    
    .publication-card {
        padding: 24px 18px;
    }
    
    .publication-card:first-child .pub-number img,
    .publication-card:last-child .pub-number img {
        width: 180px;
        height: 180px;
    }
    
    .publication-card:nth-child(2) .pub-number img {
        width: 130px;
        height: 130px;
    }
    
    .publication-card h3 {
        font-size: 20px;
    }
    
    .standards-icon {
        width: 65px;
        height: 65px;
        font-size: 40px;
    }
}

/* ========== Footer 样式 ========== */
footer {
    background: linear-gradient(135deg, #1a2a3a 0%, #0f1a24 100%);
    color: #ffffff;
    position: relative;
}

/* Footer 主容器 */
.footer-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 70px 80px 50px;
    display: flex;
    flex-wrap: wrap;
    gap: 80px;
    justify-content: space-between;
    align-items: flex-start;
}

/* Logo 区域 */
.footer-logo {
    flex: 0 0 240px;
    margin-left: 0;
    margin-right: 40px;
}

.footer-logo img {
    width: 100%;
    max-width: 240px;
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.95;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-logo img:hover {
    transform: scale(1.05);
    opacity: 1;
}

/* 地址区域 */
.footer-address {
    flex: 2;
    min-width: 380px;
}

.address-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 24px;
}

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

.address-icon {
    font-size: 22px;
    min-width: 32px;
    color: #00b4ff;
}

.address-item h5 {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 1px;
    margin: 0;
    color: #00b4ff;
    text-transform: uppercase;
}

.address-item h2 {
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    margin: 0;
    color: #e0e0e0;
}

.address-item h3 {
    font-size: 14px;
    font-weight: 400;
    margin: 0;
    color: #cccccc;
}

#email {
    font-size: 16px;
    font-weight: 500;
    color: #00b4ff;
    cursor: pointer;
    transition: color 0.3s ease;
}

#email:hover {
    color: #007bff;
    text-decoration: underline;
}

/* 快速链接区域 - 2列布局 */
.footer-links {
    flex: 1;
    min-width: 380px;
}

.footer-links h4 {
    font-size: 22px;
    font-weight: 700;
    color: #00b4ff;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 12px;
    letter-spacing: 0.5px;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #00b4ff, #007bff);
    border-radius: 2px;
}

.footer-links ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px 45px;
}

.footer-links li {
    margin-bottom: 0;
    white-space: nowrap;
}

.footer-links a {
    color: #e0e0e0;
    text-decoration: none;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    white-space: nowrap;
}

/* 向右箭头样式 */
.footer-links a::before {
    content: '→';
    font-size: 14px;
    color: #00b4ff;
    transition: all 0.3s ease;
    opacity: 0.8;
    font-weight: normal;
    flex-shrink: 0;
}

.footer-links a:hover {
    color: #00b4ff;
    transform: translateX(8px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(4px);
    color: #00b4ff;
}

/* Footer 底部版权 */
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 25px 80px;
    text-align: center;
    margin-top: 20px;
}

.footer-bottom p {
    font-size: 13px;
    color: #888;
    margin: 0;
}

/* 响应式 */
@media (max-width: 1200px) {
    .footer-container {
        gap: 50px;
        padding: 60px 50px 45px;
    }
}

@media (max-width: 1000px) {
    .footer-container {
        flex-direction: column;
        gap: 45px;
        padding: 50px 40px 40px;
        align-items: center;
        text-align: center;
    }
    
    .footer-logo {
        text-align: center;
        margin-right: 0;
    }
    
    .footer-logo img {
        margin: 0 auto;
    }
    
    .footer-address {
        text-align: left;
        width: 100%;
        max-width: 550px;
        margin: 0 auto;
    }
    
    .address-item {
        justify-content: flex-start;
    }
    
    .footer-links {
        width: 100%;
        text-align: center;
    }
    
    .footer-links h4::after {
        left: 50%;
        transform: translateX(-50%);
        width: 70px;
    }
    
    .footer-links ul {
        grid-template-columns: repeat(2, 1fr);
        max-width: 500px;
        margin: 0 auto;
        gap: 18px 35px;
    }
    
    .footer-links li {
        white-space: normal;
    }
    
    .footer-links a {
        justify-content: center;
        font-size: 15px;
        white-space: normal;
        text-align: center;
    }
    
    .footer-links a:hover {
        transform: translateX(0);
    }
}

@media (max-width: 550px) {
    .footer-container {
        padding: 40px 25px 35px;
    }
    
    .footer-links ul {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .footer-address {
        text-align: center;
    }
    
    .address-item {
        justify-content: center;
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .footer-bottom {
        padding: 18px 25px;
    }
}
/* ========== Milestone Timeline 样式 ========== */
.milestone-timeline {
    width: 100%;
    background: linear-gradient(135deg, #f8faff 0%, #f0f4fc 100%);
    padding: 80px 20px;
    position: relative;
    overflow: hidden;
}

.milestone-timeline-container {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

/* 头部样式 */
.milestone-header {
    text-align: center;
    margin-bottom: 60px;
}

.milestone-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: #007bff;
    background: rgba(0,123,255,0.1);
    padding: 6px 14px;
    border-radius: 30px;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.milestone-header h2 {
    font-size: 42px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.milestone-header h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 70px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.milestone-header p {
    font-size: 17px;
    color: #5a6e8a;
    margin-top: 20px;
}

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

/* 中间竖线 */
.timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, #007bff, #00b4ff, #007bff);
    border-radius: 2px;
}

/* 时间线项目 */
.timeline-item {
    position: relative;
    margin-bottom: 50px;
    padding-left: 40px;
}

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

/* 圆点 */
.timeline-dot {
    position: absolute;
    left: -30px;
    top: 5px;
    width: 16px;
    height: 16px;
    background: #007bff;
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 2px #007bff;
    z-index: 2;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-dot {
    transform: scale(1.3);
    background: #00b4ff;
    box-shadow: 0 0 0 3px #007bff;
}

/* 日期 */
.timeline-date {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: #007bff;
    background: rgba(0,123,255,0.1);
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 12px;
}

/* 内容卡片 */
.timeline-content {
    background: white;
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    border: 1px solid #eef2f8;
}

.timeline-content:hover {
    transform: translateX(8px);
    box-shadow: 0 8px 25px rgba(0,123,255,0.1);
    border-color: rgba(0,123,255,0.2);
}

.timeline-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 8px;
}

.timeline-content p {
    font-size: 14px;
    color: #5a6e8a;
    line-height: 1.6;
    margin: 0;
}

/* 滚动动画 */
.timeline-item {
    opacity: 0;
    transform: translateX(-30px);
    transition: all 0.6s cubic-bezier(0.2, 0.9, 0.4, 1.1);
}

.timeline-item.visible {
    opacity: 1;
    transform: translateX(0);
}

/* 响应式 */
@media (max-width: 768px) {
    .milestone-timeline {
        padding: 60px 20px;
    }
    
    .milestone-header h2 {
        font-size: 32px;
    }
    
    .milestone-header p {
        font-size: 15px;
    }
    
    .timeline {
        padding-left: 20px;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item {
        padding-left: 30px;
        margin-bottom: 40px;
    }
    
    .timeline-dot {
        left: -20px;
        width: 12px;
        height: 12px;
    }
    
    .timeline-content {
        padding: 16px 20px;
    }
    
    .timeline-content h3 {
        font-size: 16px;
    }
    
    .timeline-content p {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .milestone-header h2 {
        font-size: 28px;
    }
    
    .timeline-content {
        padding: 14px 16px;
    }
}


/* ========== Document Upload 折叠面板样式 ========== */
.document-accordion {
    margin-top: 20px;
    border-radius: 12px;
    overflow: hidden;
    background: white;
    border: 1px solid #eef2f8;
}

.accordion-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    background: #f8f9fc;
    cursor: pointer;
    transition: all 0.3s ease;
}

.accordion-header:hover {
    background: #f0f4fc;
}

.accordion-icon {
    font-size: 20px;
}

.accordion-title {
    flex: 1;
    font-size: 16px;
    font-weight: 600;
    color: #1a2a3a;
}

.accordion-arrow {
    font-size: 12px;
    color: #007bff;
    transition: transform 0.3s ease;
}

.document-accordion.active .accordion-arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.document-accordion.active .accordion-content {
    max-height: 2000px;  /* 增大最大高度，确保内容完全展示 */
}

/* ========== 上传区域样式（折叠面板内） ========== */
.document-accordion .upload-container {
    padding: 20px;
    background: white;
}

.document-accordion .upload-area {
    border: 2px dashed #ccc;
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background: #fafafa;
    margin-bottom: 20px;
}

.document-accordion .upload-area:hover {
    border-color: #007bff;
    background: #f0f7ff;
}

.document-accordion .upload-icon {
    font-size: 40px;
    margin-bottom: 10px;
}

.document-accordion .upload-area p {
    margin: 8px 0;
    color: #666;
    font-size: 13px;
}

.document-accordion .upload-hint {
    font-size: 11px;
    color: #999;
}

.document-accordion .upload-browse-btn {
    margin-top: 10px;
    padding: 8px 24px;
    background: #007bff;
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.3s;
}

.document-accordion .upload-browse-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.document-accordion .upload-list {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
}

.document-accordion .upload-list h5 {
    font-size: 14px;
    color: #333;
    margin-bottom: 12px;
}

.document-accordion .file-list {
    max-height: 150px;
    overflow-y: auto;
}

.document-accordion .file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 10px;
    background: white;
    border-radius: 8px;
    margin-bottom: 6px;
    border: 1px solid #e0e0e0;
}

.document-accordion .file-info {
    display: flex;
    align-items: center;
    gap: 8px;
}

.document-accordion .file-icon {
    font-size: 18px;
}

.document-accordion .file-name {
    font-size: 12px;
    color: #333;
}

.document-accordion .file-size {
    font-size: 11px;
    color: #999;
}

.document-accordion .remove-file {
    background: none;
    border: none;
    color: #ff4444;
    cursor: pointer;
    font-size: 16px;
    padding: 0 5px;
}

.document-accordion .remove-file:hover {
    color: #cc0000;
}

.document-accordion .upload-form {
    background: #f9f9f9;
    border-radius: 12px;
    padding: 20px;
}

.document-accordion .upload-form h5 {
    font-size: 16px;
    color: #333;
    margin-bottom: 15px;
}

.document-accordion .form-group {
    margin-bottom: 15px;
}

.document-accordion .form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: #555;
    font-size: 13px;
}

.document-accordion .form-input,
.document-accordion .form-select,
.document-accordion .form-textarea {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 13px;
}

.document-accordion .form-input:focus,
.document-accordion .form-select:focus,
.document-accordion .form-textarea:focus {
    outline: none;
    border-color: #007bff;
}

.document-accordion .submit-btn {
    width: 100%;
    padding: 10px;
    background: linear-gradient(135deg, #28a745, #218838);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.document-accordion .submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40,167,69,0.3);
}

/* ========== Recommend 区域（底部） ========== */
/* ========== Recommend 区域（底部） ========== */
.recommend-section {
    margin-top: 50px;
    padding: 40px 20px;
    background: transparent;  /* 去掉黄色背景 */
}

.recommend-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 35px;
}

.recommend-header .recommend-icon {
    font-size: 28px;
}

.recommend-header h3 {
    font-size: 26px;
    font-weight: 600;
    color: #1a2a3a;
    margin: 0;
    position: relative;
}

.recommend-header h3::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.recommend-grid-bottom {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
}

.recommend-card-bottom {
    flex: 1;
    min-width: 260px;
    max-width: 320px;
    background: white;
    border-radius: 20px;
    padding: 28px 20px;
    text-align: center;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.2, 0.9, 0.4, 1.1);
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
    border: 1px solid #eef2f8;
}

.recommend-card-bottom:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 35px rgba(0,123,255,0.12);
    border-color: rgba(0,123,255,0.2);
}

.recommend-card-bottom img {
    width: 100%;
    max-width: 180px;  /* 图片放大 */
    height: auto;
    margin-bottom: 20px;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.recommend-card-bottom:hover img {
    transform: scale(1.03);
}

.recommend-card-bottom h5 {
    font-size: 18px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 10px;
}

.recommend-card-bottom p {
    font-size: 13px;
    color: #6c7a8e;
    margin: 0;
    line-height: 1.5;
}

/* 响应式 */
@media (max-width: 900px) {
    .recommend-grid-bottom {
        gap: 25px;
    }
    
    .recommend-card-bottom {
        min-width: 220px;
        padding: 22px 16px;
    }
    
    .recommend-card-bottom img {
        max-width: 150px;
    }
    
    .recommend-header h3 {
        font-size: 22px;
    }
}

@media (max-width: 768px) {
    .recommend-section {
        margin-top: 40px;
        padding: 30px 15px;
    }
    
    .recommend-grid-bottom {
        gap: 20px;
    }
    
    .recommend-card-bottom {
        min-width: 200px;
        padding: 18px 14px;
    }
    
    .recommend-card-bottom img {
        max-width: 130px;
    }
    
    .recommend-card-bottom h5 {
        font-size: 16px;
    }
}

@media (max-width: 550px) {
    .recommend-grid-bottom {
        flex-direction: column;
        align-items: center;
    }
    
    .recommend-card-bottom {
        width: 100%;
        max-width: 280px;
    }
    
    .recommend-card-bottom img {
        max-width: 140px;
    }
}

/* ========== 表格样式 ========== */
.specific {
    display: flex;
    gap: 40px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 50px 0;
}

.specs-table-container,
.specs-container {
    flex: 1;
    min-width: 320px;
    max-width: 500px;
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    border: 1px solid #eef2f8;
    transition: all 0.3s ease;
}

.specs-table-container:hover,
.specs-container:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,123,255,0.12);
    border-color: rgba(0,123,255,0.2);
}

.specs-title {
    font-size: 22px;
    font-weight: 700;
    color: #1a2a3a;
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 2px solid #eef2f8;
    position: relative;
}

.specs-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

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

.specs-table tr {
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.2s;
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table tr:hover {
    background: #f8faff;
}

.spec-label {
    padding: 15px 12px;
    font-size: 15px;
    font-weight: 600;
    color: #007bff;
    width: 40%;
    background: #fafcff;
    border-radius: 12px 0 0 12px;
}

.spec-value {
    padding: 15px 12px;
    font-size: 15px;
    font-weight: 500;
    color: #2c3e50;
}

/* 响应式 */
@media (max-width: 900px) {
    .specific {
        gap: 25px;
    }
    
    .specs-table-container,
    .specs-container {
        min-width: 280px;
        padding: 25px;
    }
    
    .specs-title {
        font-size: 20px;
    }
    
    .spec-label,
    .spec-value {
        padding: 12px 10px;
        font-size: 14px;
    }
}

@media (max-width: 768px) {
    .specific {
        flex-direction: column;
        align-items: center;
    }
    
    .specs-table-container,
    .specs-container {
        width: 100%;
        max-width: 450px;
    }
}

@media (max-width: 480px) {
    .specs-table-container,
    .specs-container {
        padding: 20px;
    }
    
    .specs-title {
        font-size: 18px;
    }
    
    .spec-label,
    .spec-value {
        padding: 10px 8px;
        font-size: 13px;
    }
}

/* ========== 页面主标题容器 - 限制范围 ========== */
.prod-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
}

/* ========== 页面主标题 - 与 index 统一 ========== */
.Prod {
    text-align: center;
    font-size: 48px;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, #0a2b3e, #06212e);
    padding: 100px 20px;
    margin: 0;
    position: relative;
    animation: fadeInUp 0.8s ease-out;
}

/* 标题下划线动画 */
.Prod::after {
    content: '';
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
    animation: expandWidth 0.6s ease-out 0.5s forwards;
}

/* 光晕效果 - 限制在容器内 */
.prod-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,180,255,0.08) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}

.Prod {
    position: relative;
    z-index: 1;
}

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

@keyframes expandWidth {
    from {
        width: 0;
    }
    to {
        width: 80px;
    }
}

@keyframes rotateGlow {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* 响应式 */
@media (max-width: 768px) {
    .Prod {
        font-size: 36px;
        padding: 70px 20px;
    }
    
    .Prod::after {
        bottom: 20px;
    }
    
    @keyframes expandWidth {
        from { width: 0; }
        to { width: 60px; }
    }
}

@media (max-width: 480px) {
    .Prod {
        font-size: 28px;
        padding: 50px 20px;
    }
    
    .Prod::after {
        bottom: 15px;
    }
    
    @keyframes expandWidth {
        from { width: 0; }
        to { width: 50px; }
    }
}

/* ========== EXO Faster500 产品页面样式 ========== */

/* Hero 区域 */
.product-hero {
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 80px 60px;
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,180,255,0.08) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.product-hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 2;
}

.product-hero-text {
    flex: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(0,123,255,0.15);
    color: #00b4ff;
    padding: 6px 14px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 20px;
}

.product-hero-text h1 {
    font-size: 48px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-slogan {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 35px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #00b4ff;
}

.stat-label {
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.product-hero-image {
    flex: 0.8;
    text-align: center;
}

.product-hero-image img {
    max-width: 100%;
    width: 320px;
    filter: drop-shadow(0 20px 30px rgba(0,0,0,0.3));
}

/* 产品区域 */
.product-section {
    background: #f8fafc;
    padding: 60px 0;
}

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

/* 信息卡片 */
.info-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    text-align: center;
    margin-bottom: 50px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.info-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.info-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 20px;
}

.sample-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.sample-tag {
    background: #f0f4fc;
    color: #007bff;
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
}

/* 概述区域 */
.overview-section {
    display: flex;
    gap: 50px;
    align-items: center;
    margin-bottom: 70px;
}

.overview-text {
    flex: 1;
}

.overview-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
}

.overview-text h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.overview-text p {
    font-size: 16px;
    line-height: 1.8;
    color: #5a6e8a;
    margin-bottom: 20px;
}

.overview-image {
    flex: 0.8;
    text-align: center;
}

.overview-image img {
    max-width: 100%;
    width: 300px;
    border-radius: 20px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.08);
}

/* 功能特性 */
.features-section {
    margin-bottom: 70px;
}

.features-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    text-align: center;
    margin-bottom: 40px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eef2f8;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0,123,255,0.1);
    border-color: #007bff;
}

.feature-icon {
    font-size: 40px;
    margin-bottom: 16px;
}

.feature-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
    display: block;
    margin: 0 auto;
}
.feature-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 12px;
}

.feature-card p {
    font-size: 14px;
    color: #6c7a8e;
    line-height: 1.6;
}

/* 规格区域 */
.specs-section {
    margin-bottom: 70px;
}

.specs-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    text-align: center;
    margin-bottom: 40px;
}

.specs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.spec-card {
    display: flex;
    align-items: center;
    gap: 20px;
    background: white;
    border-radius: 16px;
    padding: 20px;
    border: 1px solid #eef2f8;
}

.spec-card:hover {
    border-color: #007bff;
    transform: translateX(5px);
    transition: all 0.3s;
}

.spec-icon {
    font-size: 32px;
}

.spec-info {
    display: flex;
    flex-direction: column;
}

.spec-name {
    font-size: 13px;
    font-weight: 500;
    color: #8a9bb0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.spec-value {
    font-size: 16px;
    font-weight: 600;
    color: #1a2a3a;
}

/* 性能数据 */
.performance-section {
    margin-bottom: 70px;
}

.performance-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    text-align: center;
    margin-bottom: 40px;
}

.performance-grid {
    display: flex;
    justify-content: center;
    gap: 25px;
    flex-wrap: wrap;
}

.perf-item {
    background: white;
    border-radius: 16px;
    padding: 15px;
    border: 1px solid #eef2f8;
    transition: all 0.3s;
}

.perf-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0,123,255,0.1);
}

.perf-item img {
    width: 180px;
    height: auto;
    border-radius: 12px;
}

/* 应用领域 */
.applications-section {
    margin-bottom: 70px;
}

.applications-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    text-align: center;
    margin-bottom: 40px;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.app-card {
    background: white;
    border-radius: 20px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eef2f8;
}

.app-card:hover {
    transform: translateY(-5px);
    border-color: #007bff;
}

.app-icon {
    font-size: 36px;
    margin-bottom: 15px;
}

.app-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 10px;
}

.app-card p {
    font-size: 13px;
    color: #6c7a8e;
}

/* 认证区域 */
.certifications-section {
    margin-bottom: 80px;
}

.certifications-section h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    padding-bottom: 25px;
}

.certifications-section h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.certs-grid {
    display: flex;
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
}

.certs-grid.two-certs {
    max-width: 1000px;
    margin: 0 auto;
}

.cert-item {
    background: white;
    border-radius: 32px;
    padding: 60px 50px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eef2f8;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    min-width: 380px;
    max-width: 450px;
}

.cert-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0,123,255,0.2);
    border-color: #007bff;
}

.cert-image {
    width: 240px;
    height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc, #f0f4f8);
    border-radius: 32px;
    margin-bottom: 35px;
    padding: 35px;
}

.cert-image img {
    width: 100%;
    max-width: 160px;
    height: auto;
    display: block;
}

.cert-info h4 {
    font-size: 32px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 15px;
}

.cert-info p {
    font-size: 20px;
    font-weight: 600;
    color: #007bff;
    background: rgba(0,123,255,0.1);
    padding: 10px 28px;
    border-radius: 50px;
    display: inline-block;
}

/* 响应式 */
@media (max-width: 900px) {
    .certs-grid {
        gap: 40px;
    }
    
    .cert-item {
        min-width: 300px;
        padding: 40px 35px;
    }
    
    .cert-image {
        width: 180px;
        height: 180px;
        padding: 25px;
    }
    
    .cert-image img {
        max-width: 120px;
    }
    
    .cert-info h4 {
        font-size: 26px;
    }
    
    .cert-info p {
        font-size: 18px;
        padding: 8px 22px;
    }
}

@media (max-width: 700px) {
    .certifications-section h2 {
        font-size: 36px;
    }
    
    .cert-item {
        min-width: 260px;
        padding: 30px 25px;
    }
    
    .cert-image {
        width: 150px;
        height: 150px;
    }
    
    .cert-image img {
        max-width: 100px;
    }
    
    .cert-info h4 {
        font-size: 22px;
    }
    
    .cert-info p {
        font-size: 16px;
    }
}

@media (max-width: 500px) {
    .cert-item {
        min-width: 100%;
        max-width: 100%;
    }
    
    .certifications-section h2 {
        font-size: 28px;
    }
}

/* CTA 区域 */
.contact-cta {
    background: linear-gradient(135deg, #007bff, #0056b3);
    border-radius: 24px;
    padding: 50px;
    text-align: center;
    margin-top: 30px;
}

.cta-content h3 {
    font-size: 28px;
    font-weight: 700;
    color: white;
    margin-bottom: 12px;
}

.cta-content p {
    font-size: 16px;
    color: rgba(255,255,255,0.8);
    margin-bottom: 25px;
}

.cta-btn {
    background: white;
    color: #007bff;
    border: none;
    padding: 14px 36px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s;
}

.cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

/* 响应式 */
@media (max-width: 1000px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .certs-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .product-hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .overview-section {
        flex-direction: column;
        text-align: center;
    }
    
    .overview-text h2::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .specs-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .product-hero {
        padding: 50px 30px;
    }
    
    .product-hero-text h1 {
        font-size: 36px;
    }
    
    .hero-slogan {
        font-size: 16px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .certs-grid {
        grid-template-columns: 1fr;
    }
    
    .performance-grid {
        gap: 15px;
    }
    
    .perf-item img {
        width: 140px;
    }
}

@media (max-width: 480px) {
    .product-hero-text h1 {
        font-size: 28px;
    }
    
    .hero-stat {
        flex: 1;
        min-width: 80px;
    }
    
    .stat-number {
        font-size: 22px;
    }
    
    .cert-image {
        width: 80px;
        height: 80px;
    }
    
    .cert-image img {
        max-width: 55px;
    }
}

/* ========== 图片放大模态框 ========== */
.image-modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    animation: fadeIn 0.3s ease;
}

.image-modal-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.image-modal-img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    animation: zoomIn 0.3s ease;
}

.image-modal-prev,
.image-modal-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.3);
    color: white;
    border: none;
    padding: 16px 24px;
    cursor: pointer;
    font-size: 28px;
    border-radius: 50%;
    transition: all 0.3s;
    z-index: 10;
}

.image-modal-prev:hover,
.image-modal-next:hover {
    background: rgba(255,255,255,0.5);
    transform: translateY(-50%) scale(1.1);
}

.image-modal-prev {
    left: 30px;
}

.image-modal-next {
    right: 30px;
}

.image-modal-close {
    position: absolute;
    top: 20px;
    right: 35px;
    color: white;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
    z-index: 10;
}

.image-modal-close:hover {
    color: #bbb;
}

.image-modal-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 14px;
    background: rgba(0,0,0,0.6);
    padding: 6px 12px;
    border-radius: 20px;
    z-index: 10;
}

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

@keyframes zoomIn {
    from {
        transform: scale(0.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ========== Contact Us 页面样式 ========== */

/* Hero 区域 */
.contact-hero {
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 100px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.contact-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,180,255,0.08) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

.contact-hero h1 {
    font-size: 56px;
    font-weight: 800;
    color: white;
    margin-bottom: 20px;
    animation: fadeInUp 0.8s ease-out;
}

.contact-hero p {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 联系信息卡片区域 */
.contact-section {
    background: #f8fafc;
    padding: 60px 0;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-bottom: 60px;
}

.contact-card {
    background: white;
    border-radius: 20px;
    padding: 30px 25px;
    text-align: center;
    transition: all 0.3s;
    border: 1px solid #eef2f8;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 28px rgba(0,123,255,0.1);
    border-color: #007bff;
}

.contact-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.contact-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 15px;
}

.contact-card p {
    font-size: 14px;
    color: #5a6e8a;
    line-height: 1.6;
    margin-bottom: 5px;
}

/* 联系表单区域 */
.contact-form-section {
    background: white;
    border-radius: 28px;
    padding: 50px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.form-container h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 30px;
    position: relative;
    padding-bottom: 15px;
}

.form-container h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #007bff, #00b4ff);
    border-radius: 2px;
}

.form-row {
    display: flex;
    gap: 25px;
    margin-bottom: 25px;
}

.form-group {
    flex: 1;
}

.form-group.full-width {
    width: 100%;
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0,123,255,0.1);
}

.submit-btn {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    border: none;
    padding: 14px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.3s;
    width: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0,123,255,0.3);
}

/* ========== Thank You 页面样式 ========== */
.thankyou-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

.thankyou-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,180,255,0.08) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
}

.thankyou-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
    background: white;
    border-radius: 32px;
    padding: 50px 40px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    animation: fadeInUp 0.6s ease-out;
}

.thankyou-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    font-size: 48px;
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
}

.thankyou-content h1 {
    font-size: 36px;
    font-weight: 700;
    color: #1a2a3a;
    margin-bottom: 15px;
}

.thankyou-content p {
    font-size: 16px;
    color: #5a6e8a;
    line-height: 1.6;
}

.thankyou-message {
    margin: 20px 0 30px;
    padding: 20px;
    background: #f8fafc;
    border-radius: 16px;
}

.thankyou-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 20px;
}

.back-btn, .home-btn {
    padding: 12px 28px;
    border-radius: 40px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s;
}

.back-btn {
    background: #007bff;
    color: white;
}

.back-btn:hover {
    background: #0056b3;
    transform: translateY(-2px);
}

.home-btn {
    background: transparent;
    color: #007bff;
    border: 2px solid #007bff;
}

.home-btn:hover {
    background: #007bff;
    color: white;
    transform: translateY(-2px);
}

/* 响应式 */
@media (max-width: 1000px) {
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .contact-hero h1 {
        font-size: 40px;
    }
    
    .contact-hero p {
        font-size: 16px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 20px;
    }
    
    .contact-form-section {
        padding: 25px;
    }
    
    .form-container h2 {
        font-size: 24px;
    }
    
    .thankyou-content {
        padding: 35px 25px;
    }
    
    .thankyou-content h1 {
        font-size: 28px;
    }
    
    .thankyou-buttons {
        flex-direction: column;
    }
    
    .back-btn, .home-btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .contact-hero h1 {
        font-size: 32px;
    }
    
    .thankyou-icon {
        width: 60px;
        height: 60px;
        font-size: 32px;
    }
}

/* ========== 图片悬停放大镜光标 - 全站 ========== */

.product-card img,
.innovation-card img,
.recommend-card-bottom img,
.certificate-item img,
.spec-list img,
.use-list img,
.testresult-list img,
.certificate-list img,
.about-image img,
.FDA .certificate-item img,
.perf-item img,
.cert-item img,
.product-hero-image img,
.overview-image img,
.platform-section img,
.coverage-section img,
.milestone-section img,
.service-icon img,
.product-header-image,
.footer-logo img {
    cursor: pointer;
    transition: transform 0.2s ease;
}

.product-card:hover img,
.innovation-card:hover img,
.recommend-card-bottom:hover img,
.certificate-item:hover img,
.spec-list img:hover,
.use-list img:hover,
.testresult-list img:hover,
.certificate-list img:hover,
.about-image:hover img,
.FDA .certificate-item:hover img,
.perf-item:hover img,
.cert-item:hover img,
.platform-section:hover img,
.coverage-section:hover img,
.milestone-section:hover img,
.service-icon:hover img,
.product-header-image:hover,
.footer-logo:hover img {
    cursor: zoom-in;
}

/* 导航栏 logo */
#logo {
    cursor: pointer;
}

/* 模态框大图 */
.image-modal-img {
    cursor: zoom-out;
}

/* 新闻容器样式 */
.news-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    display: grid;
    gap: 30px;
}

/* 新闻卡片样式 */
.news-card {
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 25px;
    transition: box-shadow 0.3s ease;
}

.news-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.news-date {
    color: #666;
    font-size: 14px;
    margin-bottom: 10px;
}

.news-title {
    margin: 0 0 15px 0;
    font-size: 24px;
}

.news-title a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-title a:hover {
    color: #007bff;
}

.news-summary {
    color: #555;
    line-height: 1.6;
    margin-bottom: 15px;
}

.read-more {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.read-more:hover {
    color: #0056b3;
    text-decoration: underline;
}

/* 新闻详情页样式 */
.news-detail {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    border-radius: 8px;
}

.news-detail-title {
    font-size: 32px;
    margin-bottom: 20px;
    color: #333;
}

.news-meta {
    color: #666;
    font-size: 14px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
    margin-bottom: 30px;
}

.news-meta span {
    margin-right: 20px;
}

.news-cover {
    margin: 20px 0 30px 0;
}

.news-cover img {
    width: 100%;
    height: auto;
    border-radius: 8px;
}

.news-content {
    line-height: 1.8;
    color: #333;
    font-size: 16px;
}

.news-content h2 {
    margin-top: 30px;
    margin-bottom: 15px;
}

.news-content p {
    margin-bottom: 20px;
}

.news-content img {
    max-width: 100%;
    height: auto;
    margin: 20px 0;
}

.back-btn {
    display: inline-block;
    margin-top: 40px;
    padding: 10px 20px;
    background: #007bff;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: background 0.3s ease;
}

.back-btn:hover {
    background: #0056b3;
}

/* 错误提示 */
.error {
    text-align: center;
    padding: 40px;
    color: #dc3545;
    font-size: 18px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .news-container {
        padding: 15px;
        gap: 20px;
    }
    
    .news-card {
        padding: 15px;
    }
    
    .news-title {
        font-size: 20px;
    }
    
    .news-detail {
        padding: 15px;
    }
    
    .news-detail-title {
        font-size: 24px;
    }
}

/* 加载动画（可选） */
.loading {
    text-align: center;
    padding: 40px;
    color: #666;
}

.loading::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: '.'; }
    40% { content: '..'; }
    60%, 100% { content: '...'; }
}

h1.new {
    position: relative;
    text-align: center;
    font-size: 56px;
    font-weight: 800;
    margin: 0;
    padding: 80px 20px;
    background: linear-gradient(135deg, #0a2b3e 0%, #06212e 100%);
    color: white;
    overflow: hidden;
    letter-spacing: 2px;
}

/* 动态光晕旋转 - 与ARMADA-500完全一致的风格 */
h1.new::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0,180,255,0.08) 0%, transparent 70%);
    animation: newsCycloneRotate 20s linear infinite;
    z-index: 0;
}

/* 添加一个光晕脉冲效果 */
h1.new::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, rgba(0,180,255,0.05) 0%, transparent 80%);
    animation: newsPulse 4s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes newsCycloneRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes newsPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}

.page-content {
    animation: fadeIn 2s ease-out;
}

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