/* ============================================================
   烟台三明网络 - 现代化升级样式
   专业、整洁、时尚、科技感
   ============================================================ */

/* ==================== 全局优化 ==================== */
* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
                 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    overflow-x: hidden;
}

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 链接样式优化 */
a {
    color: #667eea;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

a:hover {
    color: #764ba2;
    text-decoration: none;
}

/* 渐变文字效果 */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 导航栏优化 ==================== */
.navbar-default {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar-default.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.15);
}

.navbar-brand {
    font-size: 24px;
    font-weight: 700;
    color: #667eea !important;
    transition: all 0.3s ease;
}

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

.nav-pills > li > a {
    color: #333;
    font-weight: 500;
    padding: 12px 24px;
    border-radius: 25px;
    margin: 0 5px;
    transition: all 0.3s ease;
}

.nav-pills > li > a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.nav-pills > li.active > a,
.nav-pills > li.active > a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

/* ==================== Banner 区域 ==================== */
.banner {
    position: relative;
    min-height: 600px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.05"><path d="M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z"/></g></g></svg>');
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% { transform: translateY(0); }
    100% { transform: translateY(-60px); }
}

.banner .mask {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 600px;
}

.banner h2 {
    color: #fff;
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 1s ease;
}

.banner p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 24px;
    margin-bottom: 40px;
    animation: fadeInUp 1s ease 0.3s both;
}

.banner .animated a {
    display: inline-block;
    padding: 15px 40px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    border-radius: 30px;
    transition: all 0.3s ease;
}

.banner .animated a:hover {
    background: #fff;
    color: #667eea;
    transform: scale(1.05);
}

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

/* ==================== 内容区域通用样式 ==================== */
section {
    padding: 80px 0;
    position: relative;
}

.container {
    max-width: 1200px;
}

h2.p-h2 {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 50px;
    position: relative;
    display: inline-block;
}

h2.p-h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

hr {
    margin: 40px 0;
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.3), transparent);
}

/* ==================== 卡片样式 ==================== */
.card {
    background: #fff;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.4s ease;
    border: none;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ==================== 新闻列表优化 ==================== */
.blog-list .article-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s ease;
    border-left: 4px solid transparent;
}

.blog-list .article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.12);
    border-left: 4px solid #667eea;
}

.blog-list .article-card h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
}

.blog-list .article-card h2 a {
    color: #333;
    transition: all 0.3s ease;
}

.blog-list .article-card h2 a:hover {
    color: #667eea;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
    color: #999;
    font-size: 14px;
}

.article-meta time,
.article-meta span {
    display: inline-flex;
    align-items: center;
}

.blog-list .article-card p {
    color: #666;
    line-height: 1.9;
    margin-bottom: 20px;
}

.btn-center {
    display: inline-block;
    padding: 10px 30px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-radius: 25px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-center:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    color: #fff;
}

/* ==================== 侧边栏优化 ==================== */
.sidebar .bianlan {
    background: #fff;
    border-radius: 15px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
}

.sidebar .bianlan h3 {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #f0f0f0;
}

.sidebar .bianlan ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar .bianlan ul li {
    margin-bottom: 12px;
}

.sidebar .bianlan ul li a {
    color: #666;
    display: block;
    padding: 10px 15px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.sidebar .bianlan ul li a:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    transform: translateX(5px);
}

/* ==================== 分页优化 ==================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 40px;
}

.pagination .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 45px;
    height: 45px;
    padding: 0 12px;
    border-radius: 10px;
    background: #fff;
    border: 1px solid #e0e0e0;
    color: #333;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.3s ease;
}

.pagination .page-link:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    border-color: transparent;
    transform: translateY(-3px);
}

.pagination .page-link.st {
    width: auto;
    padding: 0 25px;
}

/* ==================== Footer 优化 ==================== */
.footer {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
}

.footer .copy {
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    margin-bottom: 10px;
    font-size: 14px;
}

.footer a {
    color: rgba(255, 255, 255, 0.8);
}

.footer a:hover {
    color: #fff;
}

/* 客服按钮 - 使用原始样式，不覆盖 */

/* ==================== 按钮动画效果 ==================== */
.btn-primary-modern {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 25px;
    padding: 12px 35px;
    color: #fff;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary-modern:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.5);
    color: #fff;
}

/* ==================== 输入框优化 ==================== */
input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 12px 20px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: #fff;
}

input:focus,
textarea:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    outline: none;
}

/* ==================== 响应式优化 ==================== */
@media (max-width: 768px) {
    .banner h2 {
        font-size: 36px;
    }
    
    .banner p {
        font-size: 18px;
    }
    
    .banner {
        min-height: 400px;
    }
    
    .banner .mask {
        min-height: 400px;
    }
    
    h2.p-h2 {
        font-size: 32px;
    }
    
    .blog-list .article-card {
        padding: 25px;
    }
    
    .blog-list .article-card h2 {
        font-size: 24px;
    }
    
    .kefu {
        right: 15px;
    }
    
    .kefu a {
        width: 45px;
        height: 45px;
    }
}

/* ==================== 动画效果 ==================== */
.fade-in {
    animation: fadeIn 0.8s ease;
}

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

.slide-up {
    animation: slideUp 0.8s ease;
}

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

/* ==================== 加载动画 ==================== */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(102, 126, 234, 0.3);
    border-top-color: #667eea;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==================== 悬浮卡片效果 ==================== */
.hover-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hover-card:hover {
    transform: translateY(-15px) scale(1.02);
}

/* ==================== 玻璃态效果 ==================== */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ==================== 渐变背景区域 ==================== */
.gradient-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.gradient-section h2,
.gradient-section h3,
.gradient-section p {
    color: #fff;
}

/* ==================== 阴影层次 ==================== */
.shadow-sm {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.shadow-md {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.shadow-lg {
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

/* ==================== 圆角统一 ==================== */
.radius-sm {
    border-radius: 8px;
}

.radius-md {
    border-radius: 15px;
}

.radius-lg {
    border-radius: 25px;
}

.radius-pill {
    border-radius: 50px;
}

/* ==================== 工具类 ==================== */
.text-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.bg-gradient {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* ==================== 微交互效果 ==================== */
.pulse {
    animation: pulse 2s ease infinite;
}

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

.bounce {
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

/* ==================== 滚动条美化 ==================== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}