/* assets/css/style.css */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@400;500;700&display=swap');

body {
    font-family: 'Noto Sans SC', sans-serif;
    color: #343a40;
    line-height: 1.8;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
}

.navbar {
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

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

.section-title {
    margin-bottom: 50px;
    text-align: center;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
}

.section-title p {
    color: #6c757d;
}

.hero-section {
    background: linear-gradient(rgba(0, 123, 255, 0.05), rgba(255, 255, 255, 1)), url('/3.png') center center no-repeat;
    background-size: cover;
    padding: 120px 0;
    color: #333;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.3;
}

.hero-section p {
    font-size: 1.25rem;
    color: #555;
}

.btn-primary {
    background-color: #007bff;
    border-color: #007bff;
    padding: 12px 30px;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
}

.service-card {
    border: none;
    border-radius: 10px;
    box-shadow: 0 4px 25px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
    padding: 30px;
    text-align: center;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
}

.service-card i {
    font-size: 3rem;
    color: #007bff;
    margin-bottom: 20px;
}

.feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 4rem;
    height: 4rem;
    margin-bottom: 1rem;
    font-size: 2rem;
    color: #fff;
    border-radius: 0.75rem;
}

.bg-primary-light {
    background-color: #e6f2ff;
}

.page-header {
    background-color: #f8f9fa;
    padding: 80px 0;
    text-align: center;
}

.pricing-card {
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    border-color: #007bff;
    box-shadow: 0 8px 30px rgba(0,0,0,0.1);
}

.pricing-card.popular {
    border-color: #007bff;
    border-width: 2px;
}

.pricing-card .card-header {
    background-color: transparent;
    border-bottom: 1px solid #e0e0e0;
}

.contact-info i {
    font-size: 1.5rem;
    color: #007bff;
}

footer {
    background-color: #343a40;
    color: #adb5bd;
    padding: 40px 0;
}

footer h5 {
    color: #fff;
}

footer a {
    color: #adb5bd;
    text-decoration: none;
}

footer a:hover {
    color: #fff;
}

/* Telegram 悬浮按钮样式 */
.telegram-float {
    position: fixed; /* 固定定位，实现悬浮效果 */
    width: 70px; /* 按钮宽度 */
    height: 70px; /* 按钮高度 */
    bottom: 40px; /* 距离页面底部25px */
    right: 40px; /* 距离页面右侧25px */
    background-color: #0088cc; /* Telegram 官方蓝色 */
    color: #FFF; /* 图标颜色为白色 */
    border-radius: 50%; /* 将按钮变为圆形 */
    text-align: center; /* 文本居中 */
    font-size: 50px; /* 图标大小 */
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.2); /* 添加阴影，使其有立体感 */
    z-index: 1000; /* 确保按钮在最上层，不会被其他内容遮挡 */
    display: flex; /* 使用flex布局使图标完美居中 */
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-in-out; /* 添加平滑的过渡动画 */
}

/* 鼠标悬停时的效果 */
.telegram-float:hover {
    transform: translateY(-5px); /* 向上移动5px */
    box-shadow: 4px 4px 20px rgba(0, 136, 204, 0.4); /* 阴影加深 */
    color: #FFF; /* 确保悬停时图标颜色不变 */
}