/* 统一导航栏样式 */
:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #64748b;
    --dark: #0f172a;
    --light: #f9fafb;
    --border: #e5e7eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    position: relative;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

.logo i {
    color: var(--primary);
    font-size: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo h1 {
    font-size: 26px;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 35px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark);
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
    padding: 8px 16px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a i {
    font-size: 14px;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.nav-links a:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.05);
    transform: translateY(-1px);
}

.nav-links a:hover i {
    opacity: 1;
    transform: scale(1.1);
}

.nav-links a.active {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
    font-weight: 600;
}

.nav-links a.active i {
    opacity: 1;
}

/* 下拉菜单样式 */
.nav-dropdown {
    position: relative;
}

.dropdown-content {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 200px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-radius: 12px;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    border: 1px solid rgba(37, 99, 235, 0.1);
    z-index: 1001;
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content a {
    display: block;
    padding: 12px 20px;
    color: var(--dark);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 0;
    background: none;
}

.dropdown-content a:hover {
    background: rgba(37, 99, 235, 0.05);
    color: var(--primary);
    transform: translateX(5px);
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--primary);
    padding: 8px 16px;
    background: rgba(37, 99, 235, 0.05);
    border-radius: 25px;
    transition: all 0.3s ease;
}

.phone:hover {
    background: rgba(37, 99, 235, 0.1);
    transform: scale(1.05);
}

.phone i {
    font-size: 16px;
}

/* 按钮样式 */
.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.appointment-btn {
    font-size: 14px;
}

/* 移动端菜单按钮 */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-btn:hover {
    color: var(--primary);
    background: rgba(37, 99, 235, 0.1);
}

/* 移动端菜单覆盖层 */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* 移动端菜单 */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background: white;
    z-index: 1001;
    transition: right 0.3s ease;
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px 20px;
    border-bottom: 1px solid rgba(37, 99, 235, 0.1);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.mobile-menu-header .logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.mobile-menu-header .logo i {
    color: var(--primary);
    font-size: 28px;
}

.mobile-menu-header .logo h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin: 0;
}

.mobile-menu-header .logo span {
    color: var(--primary);
}

.mobile-menu-close {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--dark);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    color: var(--primary);
    background-color: rgba(37, 99, 235, 0.1);
    transform: rotate(90deg);
}

.mobile-nav-links {
    flex: 1;
    padding: 30px 0;
    overflow-y: auto;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 18px 25px;
    color: var(--dark);
    text-decoration: none;
    font-weight: 500;
    font-size: 16px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
    margin: 2px 0;
}

.mobile-nav-link:hover {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.08) 0%, rgba(37, 99, 235, 0.02) 100%);
    color: var(--primary);
    border-left-color: var(--primary);
    transform: translateX(5px);
}

.mobile-nav-link.active {
    background: linear-gradient(90deg, rgba(37, 99, 235, 0.15) 0%, rgba(37, 99, 235, 0.05) 100%);
    color: var(--primary);
    border-left-color: var(--primary);
    font-weight: 600;
}

.mobile-nav-link i {
    font-size: 18px;
    width: 24px;
    text-align: center;
    transition: all 0.3s ease;
}

.mobile-nav-link:hover i {
    transform: scale(1.2);
}

.mobile-appointment {
    padding: 25px 20px;
    border-top: 1px solid rgba(37, 99, 235, 0.1);
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

.mobile-appointment .btn {
    width: 100%;
    padding: 15px 20px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.mobile-appointment .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .contact-info .phone {
        display: none;
    }
    
    .contact-info .appointment-btn {
        padding: 8px 16px;
        font-size: 14px;
    }
}