/* 基础样式 */
  body {
    background-color: #f9fafb;
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
}

/* 添加选中效果的样式 */
.nav-link.active::after {
    transform: translateX(0);
}

.mobile-nav-link.active::before {
    opacity: 1;
}

/* 导航栏样式 */
.navbar {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    z-index: 100;
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    box-shadow: 0 6px 30px rgba(0, 0, 0, 0.1);
}

/* 汉堡菜单按钮 */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 20px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #1a365d;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(8.5px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-8.5px) rotate(-45deg);
}

/* 移动端导航菜单 */
.mobile-nav {
    display: none;
    width: 100%;
    background-color: white;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    overflow: hidden;
    border-radius: 0 0 12px 12px;
}

.mobile-nav a {
    display: block;
    padding: 15px 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.mobile-nav a:hover {
    background-color: #f5f7fa;
    color: #1a365d;
}

/* 横幅区域样式 */
.banner-container {
    position: relative;
    width: 100%;
    height: 500px;
    margin-bottom: 20px;
    overflow: hidden;
    /* background: linear-gradient(135deg, #1a365d 0%, #0f2b4d 100%); */
    /* background: url('https://picsum.photos/id/10/1200/800'); */
    background: url('https://travel-1254373588.cos.ap-beijing.myqcloud.com/images/banner.jpg');
    /* 设置背景图片 */
    background-size: cover;
    background-position: center;
    box-shadow: 0 10px 30px rgba(26, 54, 93, 0.3);
}

.banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.banner-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
    text-align: center;
    color: white;
    /*padding: 0 20px;*/
    max-width: 900px;
    width: 80%;
}

/* 移动端适配 - 只显示中间2/3区域 */
@media (max-width: 600px) {
    .banner-container {
        height: 350px;
    }

    .banner-text h1 {
        font-size: clamp(1.5rem, 5vw, 2.5rem);
    }

    .banner-text p {
        font-size: clamp(0.875rem, 3vw, 1.125rem);
    }
}

/* Logo样式 */
.logo-container {
    position: relative;
    margin: 30px 0;
    z-index: 2;
    cursor: pointer;
}

.logo {
    width: 200px;
    height: auto;
    transition: transform 0.3s ease, filter 0.3s ease;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
}

.logo:hover {
    transform: scale(1.05) translateY(-5px);
    filter: drop-shadow(0 10px 8px rgba(0, 0, 0, 0.12));
}

/* 标题样式 */
.title {
    font-size: clamp(1.5rem, 3vw, 28px);
    color: #333;
    margin: 20px 0;
    z-index: 2;
    font-weight: 600;
    letter-spacing: -0.025em;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
}

/* 简介部分样式 */
.profile {
    font-size: clamp(1rem, 2vw, 16px);
    color: #4b5563;
    line-height: 1.8;
    margin: 20px auto;
    text-align: left;
    max-width: 650px;
    padding: 0 15px;
}

.profile ul {
    padding-left: 20px;
    list-style-type: none;
}

.profile li {
    margin-bottom: 15px;
    line-height: 1.8;
    position: relative;
    padding-left: 30px;
}

.profile li::before {
    content: "\f058";
    font-family: "FontAwesome";
    color: #0090e7;
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 18px;
}

.profile li strong {
    color: #1f2937;
    font-weight: 600;
}

/* 按钮样式 */
.button-container {
    margin: 30px 0;
}

.button {
    background: linear-gradient(135deg, #0090e7 0%, #0077c2 100%);
    color: white;
    padding: clamp(12px, 3vw, 15px) clamp(20px, 5vw, 30px);
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: clamp(14px, 3vw, 16px);
    font-weight: 500;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 14px rgba(0, 144, 231, 0.3);
    position: relative;
    overflow: hidden;
    animation: btnPulse 2s infinite;
}

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

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 144, 231, 0.4);
}

.button:hover::before {
    left: 100%;
}

/* 页脚样式 */
.footer {
    width: 100%;
    background-color: #1a202c;
    padding: clamp(25px, 5vw, 40px) 0;
    position: relative;
    bottom: 0;
    display: flex;
    justify-content: center;
    color: #e2e8f0;
}

.contact-info {
    font-size: clamp(14px, 3vw, 16px);
    text-align: center;
    line-height: 1.8;
    padding: 0 15px;
}

.contact-info strong {
    color: #ffffff;
    font-weight: 500;
}

.contact-info a {
    color: #0090e7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-info a:hover {
    color: #4ddbff;
    text-decoration: underline;
}

/* 全屏图片模态框样式 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.95);
    align-items: center;
    justify-content: center;
    padding: 20px;
    box-sizing: border-box;
}

.modal-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 700px;
    animation-name: zoom;
    animation-duration: 0.6s;
    max-height: 100%;
    object-fit: contain;
    touch-action: none;
    transition: transform 0.2s ease;
    border-radius: 4px;
    box-shadow: 0 0 30px rgba(0, 144, 231, 0.15);
}

@keyframes zoom {
    from {
        transform: scale(0.8)
    }

    to {
        transform: scale(1)
    }
}

.close {
    position: absolute;
    top: clamp(15px, 3vw, 30px);
    right: clamp(15px, 3vw, 30px);
    color: #f1f1f1;
    font-size: clamp(24px, 5vw, 40px);
    font-weight: bold;
    transition: all 0.3s ease;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    width: clamp(30px, 6vw, 50px);
    height: clamp(30px, 6vw, 50px);
    display: flex;
    align-items: center;
    justify-content: center;
}

.close:hover,
.close:focus {
    color: #0090e7;
    text-decoration: none;
    cursor: pointer;
    transform: scale(1.1);
    background-color: rgba(0, 0, 0, 0.5);
}

/* 移动端适配 */
@media only screen and (max-width: 700px) {
    .modal-content {
        width: 100%;
    }

    .close {
        top: 20px;
        right: 20px;
        font-size: 30px;
        width: 40px;
        height: 40px;
    }
}

/* 动画元素 */
.floating-dot {
    position: absolute;
    width: 8px;
    height: 8px;
    background-color: rgba(0, 144, 231, 0.8);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite;
    opacity: 0.8;
}

/* 产品展示卡片 */
.product-card {
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    padding: clamp(15px, 3vw, 20px);
    margin: clamp(10px, 2vw, 15px);
    transition: all 0.3s ease;
    border: 1px solid #f0f2f5;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    color: white;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 300px;

}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 144, 231, 0.2);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.product-icon {
    color: #0090e7;
    font-size: clamp(28px, 5vw, 36px);
    margin-bottom: 15px;
}

.product-title {
    font-size: clamp(26px, 3vw, 28px);
    font-weight: 900;
    color: #fff;
    margin-bottom: 10px;
    content: attr(data-text);
}

.product-desc {
    font-size: clamp(12px, 2.5vw, 14px);
    /* color: #fff; */
    line-height: 1.6;
}

/* 统计卡片 */
.stats-card {
    background-color: wfffe;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    padding: clamp(15px, 3vw, 20px);
    margin: clamp(8px, 1.5vw, 12px);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f0f2f5;
    height: 100%;
}

.stats-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    border-color: rgba(0, 144, 231, 0.2);
}

.stats-number {
    font-size: clamp(28px, 8vw, 40px);
    font-weight: 700;
    color: #1a365d;
    margin-bottom: 5px;
    line-height: 1.2;
}

.stats-label {
    font-size: clamp(12px, 3vw, 14px);
    color: #6b7280;
    line-height: 1.4;
}

/* 移动端导航适配 */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .desktop-nav {
        display: none;
    }

    .mobile-nav {
        display: block;
    }

    .product-card {
        margin: 10px 0;
    }

    .stats-card {
        margin: 8px 0;
    }

    .grid-cols-2.md\\:grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* 超小屏幕适配 */
@media (max-width: 480px) {
    .grid-cols-1.md\\:grid-cols-2.lg\\:grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .grid-cols-2.md\\:grid-cols-4 {
        grid-template-columns: 1fr;
    }

    .button-container {
        margin: 20px 0;
    }

    .profile {
        margin: 15px auto;
    }

    .contact-info {
        line-height: 1.6;
    }

    .flex-col.md\\:flex-row {
        flex-direction: column;
    }

    .gap-6 {
        gap: 15px;
    }

    .flex.items-center {
        /*justify-content: center;*/
    }

    .flex.items-center div {
        text-align: center;
    }
}

/* 科技感装饰元素 */
.tech-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
    opacity: 0.1;
    overflow: hidden;
}

.tech-decoration::before {
    content: '';
    position: absolute;
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    background: radial-gradient(circle at center, rgba(0, 144, 231, 0.5) 0%, transparent 70%);
    animation: pulse-slow 4s ease-in-out infinite;
}

.tech-decoration::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-image: url('https://picsum.photos/id/1/1200/800');
    /* background-image: url('https://travel-1254373588.cos.ap-beijing.myqcloud.com/images/banner.jpg'); */
    background-size: cover;
    background-position: center;
    filter: grayscale(100%) contrast(200%);
    opacity: 0.05;
}

/* 特色产品卡片 */
.featured-card {
    position: relative;
    overflow: hidden;
    border-radius: 16px;
    height: 400px;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.featured-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 50px rgba(0, 0, 0, 0.2);
}

.featured-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 0, 0, 0.8) 100%);
    z-index: 1;
    transition: opacity 0.3s ease;
}

.featured-card:hover::before {
    opacity: 0.9;
}

.featured-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-image: cover;
    object-position: center;
    transition: transform 0.5s ease;
}

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

.featured-content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    z-index: 2;
    transition: all 0.3s ease;
}

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

/* 渐变背景标题 */
.gradient-title {
    background: linear-gradient(135deg, #1a365d, #0090e7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
    font-weight: 700;
    font-size: clamp(24px, 4vw, 36px);
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* 产品分类标签 */
.category-tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-bottom: 10px;
    background-color: rgba(255, 255, 255, 0.6);
    color: #0067a7;
    transition: all 0.3s ease;
    font-weight: bold;
}

.category-tag:hover {
    background-color: rgba(0, 144, 231, 0.2);
    transform: translateY(-1px);
}