/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}



/* 加载动画样式 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: #ffffff;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.loader__logo {
    width: 400px;
    height: auto;
    object-fit: contain;
    animation: scaleLogo 1.5s ease-in-out;
}

/* 响应式调整：在小屏幕设备上保持原大小 */
@media (max-width: 768px) {
    .loader__logo {
        width: 200px;
    }
}

@keyframes scaleLogo {
    0% {
        transform: scale(0);
        opacity: 0;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

/* Links */
a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: #e5e7eb;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 4px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn--primary {
    background-color: #007bff;
    color: #fff;
}

.btn--primary:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

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

.btn--secondary:hover {
    background-color: #007bff;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

/* 导航栏样式 */
.header {
    background-color: #fff;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

/* 导航logo链接样式 */
.nav__logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: inherit;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav__logo-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.nav__title {
    font-size: 24px;
    font-weight: 700;
    color: #007bff;
    margin: 0;
    white-space: nowrap;
}

.nav__subtitle {
    font-size: 12px;
    color: #666;
    margin: 0;
    white-space: nowrap;
}

.nav__logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav__link {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav__link:hover,
.nav__link.active {
    color: #007bff;
}

.nav__link.active::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: #007bff;
}

.nav__contact {
    display: flex;
    align-items: center;
}

.nav__phone {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    color: #333;
}

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

.nav__phone-number {
    font-size: 16px;
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav__toggle-icon {
    display: block;
    width: 25px;
    height: 3px;
    background-color: #333;
    position: relative;
    transition: background-color 0.3s ease;
}

.nav__toggle-icon::before,
.nav__toggle-icon::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: #333;
    transition: all 0.3s ease;
}

.nav__toggle-icon::before {
    top: -8px;
}

.nav__toggle-icon::after {
    bottom: -8px;
}

/* 汉堡菜单图标打开状态 */
.nav__toggle-icon.open {
    background-color: transparent;
}

.nav__toggle-icon.open::before {
    transform: rotate(45deg);
    top: 0;
}

.nav__toggle-icon.open::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* FAQ区域样式 - 高级感设计 */
.faq {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.faq__container {
    max-width: 900px;
    margin: 0 auto;
}

.faq__content {
    background-color: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 60px 80px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

.faq__title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    letter-spacing: -0.5px;
}

.faq__title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

/* FAQ表单样式 */
.faq__form {
    margin-bottom: 60px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(102, 126, 234, 0.2);
}

.faq__form-title {
    font-size: 28px;
    font-weight: 700;
    color: #333;
    margin-bottom: 30px;
    text-align: center;
}

.faq__form-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.faq__form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

/* 让留言框占据整行 */
.faq__form-group:last-of-type {
    grid-column: 1 / -1;
}

.faq__form-label {
    font-size: 14px;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.faq__form-input,
.faq__form-textarea {
    padding: 15px 20px;
    font-size: 16px;
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    background-color: #fff;
    color: #333;
    transition: all 0.3s ease;
    font-family: inherit;
}

.faq__form-input:focus,
.faq__form-textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    transform: translateY(-2px);
}

/* 电话号码输入框错误状态 */
.faq__form-input.error,
.faq__form-textarea.error {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
    background-color: rgba(231, 76, 60, 0.05);
}

/* 电话号码输入框成功状态（可选） */
.faq__form-input.success {
    border-color: #27ae60;
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
    background-color: rgba(39, 174, 96, 0.05);
}

/* 错误提示动画 */
.error-message {
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.faq__form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.faq__form-btn {
    grid-column: 1 / -1;
    padding: 16px 32px;
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.faq__form-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
    background: linear-gradient(90deg, #764ba2 0%, #667eea 100%);
}

/* 响应式表单 */
@media (max-width: 768px) {
    .faq__form {
        margin-bottom: 40px;
        padding-bottom: 40px;
    }
    
    .faq__form-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .faq__form-title {
        font-size: 24px;
    }
    
    .faq__form-input,
    .faq__form-textarea {
        padding: 12px 16px;
        font-size: 15px;
    }
}

.faq__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.faq__item {
    background-color: #f8f9fa;
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-left: 4px solid transparent;
}

.faq__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    border-left-color: #667eea;
    background-color: #ffffff;
}

.faq__question {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    line-height: 1.4;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.faq__question::after {
    content: '+';
    font-size: 24px;
    font-weight: 700;
    color: #667eea;
    transition: transform 0.3s ease;
    margin-left: 15px;
    min-width: 24px;
    text-align: center;
}

.faq__item:hover .faq__question::after {
    transform: rotate(45deg);
}

.faq__answer {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    margin: 0;
    padding-top: 10px;
    border-top: 1px solid rgba(102, 126, 234, 0.2);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .faq {
        padding: 60px 0;
    }
    
    .faq__content {
        padding: 40px 20px;
        border-radius: 15px;
    }
    
    .faq__title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .faq__item {
        padding: 20px;
    }
    
    .faq__question {
        font-size: 18px;
    }
}

/* 英雄区域样式 */
.hero {
    background-color: #e3f2fd;
    padding: 80px 0;
}

.hero__container {
    display: flex;
    align-items: center;
    gap: 40px;
}

.hero__content {
    flex: 1;
}

.hero__title {
    font-size: 42px;
    font-weight: 700;
    color: #333;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero__description {
    font-size: 18px;
    color: #666;
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: 20px;
}

.hero__image {
    flex: 1;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.hero__img {
    width: 100%;
    height: auto;
    display: block;
}

/* 服务优势样式 */
.advantages {
    padding: 80px 0;
    background-color: #fff;
}

.advantages__title {
    font-size: 32px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 50px;
}

/* 服务预览高级样式 */
.services-preview {
    padding: 80px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    position: relative;
    overflow: hidden;
}

.services-preview::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(0, 119, 255, 0.05) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(120deg); }
    66% { transform: translate(-30px, 30px) rotate(240deg); }
}

.services-preview__container {
    position: relative;
    z-index: 1;
}

.services-preview__title {
    font-size: 36px;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    padding: 0 40px;
}

.services-preview__title::before,
.services-preview__title::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #0077ff, #0055cc);
    transform: translateY(-50%);
}

.services-preview__title::before {
    left: 0;
}

.services-preview__title::after {
    right: 0;
}

.services-preview__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.service__card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
    border-radius: 20px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08), 0 2px 10px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid transparent;
    background-clip: padding-box;
    position: relative;
    overflow: hidden;
}

.service__card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    border-radius: 19px;
    z-index: -1;
    margin: -1px;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15), 0 8px 32px rgba(0, 0, 0, 0.1);
}

.service__card:hover::before {
    opacity: 1;
}

.service__icon {
    font-size: 48px;
    margin-bottom: 25px;
    display: inline-block;
    transition: transform 0.4s ease, color 0.4s ease;
    color: #0077ff;
}

.service__card:hover .service__icon {
    transform: scale(1.1) rotate(5deg);
    color: #ffffff;
}

.service__name {
    font-size: 22px;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 15px;
    transition: color 0.4s ease;
}

.service__card:hover .service__name {
    color: #ffffff;
}

.service__description {
    font-size: 16px;
    color: #7f8c8d;
    line-height: 1.8;
    margin-bottom: 25px;
    transition: color 0.4s ease;
}

.service__card:hover .service__description {
    color: rgba(255, 255, 255, 0.9);
}

.service__link {
    display: inline-block;
    color: #0077ff;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s ease;
    position: relative;
    padding-right: 20px;
}

.service__link::after {
    content: '→';
    position: absolute;
    right: 0;
    transition: right 0.3s ease, color 0.4s ease;
}

.service__card:hover .service__link {
    color: #ffffff;
    padding-right: 25px;
}

.service__card:hover .service__link::after {
    right: 5px;
    color: #ffffff;
}

.services-preview__more {
    text-align: center;
}

.services-preview__more .btn--primary {
    background: linear-gradient(135deg, #0077ff 0%, #0055cc 100%);
    border-radius: 50px;
    padding: 15px 40px;
    font-size: 16px;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(0, 119, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.services-preview__more .btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(0, 119, 255, 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .services-preview {
        padding: 60px 0;
    }
    
    .services-preview__title {
        font-size: 28px;
        margin-bottom: 40px;
    }
    
    .services-preview__grid {
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .service__card {
        padding: 30px 25px;
    }
    
    .service__icon {
        font-size: 40px;
    }
    
    .service__name {
        font-size: 20px;
    }
}

.advantages__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.advantage__item {
    background-color: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.advantage__name {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.advantage__description {
    color: #666;
    font-size: 14px;
    line-height: 1.6;
}

/* -------------------
   Services Section
   ------------------- */

.services {
    background-color: #f8f9fa;
    padding: 80px 0;
}

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

.services__title {
    font-size: 36px;
    font-weight: 700;
    color: #333;
    text-align: center;
    margin-bottom: 15px;
}

.services__subtitle {
    font-size: 18px;
    color: #333;
    text-align: center;
    margin-bottom: 60px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* 服务项目主布局 */
.services__main {
    display: flex;
    flex-direction: column;
    gap: 30px;
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

@media (min-width: 768px) {
    .services__main {
        flex-direction: row;
    }
}

/* 服务项目列表 */
.services__list {
    background-color: #007bff;
    padding: 30px;
    flex: 0 0 300px;
}

.services__list-title {
    font-size: 20px;
    font-weight: 600;
    color: white;
    margin-bottom: 25px;
    text-align: center;
}

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

.service__item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.service__item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
    border-color: white;
}

.service__item.active {
    background-color: white;
    border-color: #0056b3;
}

.service__item.active .service__item-name {
    color: #007bff;
}

.service__item-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.service__item-name {
    font-size: 16px;
    font-weight: 500;
    color: white;
    transition: all 0.3s ease;
}

/* 服务内容显示区 */
.services__content {
    padding: 30px;
    flex: 1;
}

.services__content-title {
    font-size: 20px;
    font-weight: 600;
    color: #333;
    margin-bottom: 25px;
    padding-bottom: 10px;
    border-bottom: 2px solid #007bff;
}

.services__content-inner {
    min-height: 400px;
}

.service__content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.service__content.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.service__content-title {
    font-size: 24px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service__content-description {
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    margin-bottom: 30px;
}

.service__content-section {
    margin-bottom: 25px;
    background-color: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #0056b3;
}

.service__content-subtitle {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
}

.service__content-list {
    list-style: none;
    padding-left: 0;
}

.service__content-item {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 10px;
    position: relative;
    padding-left: 25px;
}

.service__content-item::before {
    content: "✅";
    position: absolute;
    left: 0;
    top: 0;
}

/* -------------------
   Services Process
   ------------------- */

.services__process-title {
    font-size: 36px;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    margin: 40px auto 60px;
    padding: 20px 40px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border: 2px solid transparent;
    background-clip: padding-box;
    position: relative;
    max-width: 300px;
}

.services__process-title::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    border-radius: 10px;
    z-index: -1;
    margin: -2px;
}

.services__process-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 15px solid transparent;
    border-right: 15px solid transparent;
    border-top: 20px solid #0066cc;
    z-index: 1;
}

.services__process-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 60px;
    flex-wrap: wrap;
    position: relative;
}

.process-flow__item {
    flex: 1;
    min-width: 180px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.process-flow__step {
    padding: 30px 20px;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.process-flow__step::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 102, 204, 0.05), transparent);
    transition: left 0.6s ease;
}

.process-flow__step:hover::before {
    left: 100%;
}

.process-flow__step:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

.process-flow__number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
    color: white;
    border-radius: 50%;
    font-size: 24px;
    font-weight: bold;
    margin-bottom: 20px;
    box-shadow: 0 8px 20px rgba(0, 102, 204, 0.3);
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
}

.process-flow__step:hover .process-flow__number {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 25px rgba(0, 102, 204, 0.4);
}

.process-flow__title {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #2c3e50;
    transition: color 0.3s ease;
}

.process-flow__step:hover .process-flow__title {
    color: #0066cc;
}

.process-flow__description {
    font-size: 14px;
    color: #7f8c8d;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.process-flow__step:hover .process-flow__description {
    color: #5a6c7d;
}

.process-flow__connector {
    position: absolute;
    top: 50%;
    right: -50%;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #0066cc 0%, #004499 100%);
    z-index: -1;
    transform: translateY(-50%);
    box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
}

.process-flow__connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 6px 0 6px 12px;
    border-color: transparent transparent transparent #004499;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .process-flow__item {
        min-width: 150px;
    }
    
    .process-flow__step {
        padding: 25px 15px;
    }
    
    .process-flow__number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .process-flow__title {
        font-size: 18px;
    }
}

@media (max-width: 768px) {
    .services__process-flow {
        flex-direction: column;
        gap: 30px;
    }
    
    .process-flow__item {
        min-width: 100%;
    }
    
    .process-flow__connector {
        position: absolute;
        top: 100%;
        left: 50%;
        width: 4px;
        height: 60px;
        right: auto;
        transform: translateX(-50%);
    }
    
    .process-flow__connector::after {
        border-width: 12px 6px 0 6px;
        border-color: #004499 transparent transparent transparent;
        top: 100%;
        right: 50%;
        transform: translateX(50%);
    }
}

/* 动画效果 */
@keyframes fadeInUp {
    0%, 100% {
        opacity: 0;
        transform: translateY(30px);
    }
    10%, 90% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes connectorSlide {
    0%, 100% {
        opacity: 0;
        width: 0;
    }
    20%, 80% {
        opacity: 1;
        width: 100%;
    }
}

.process-flow__item {
    animation: fadeInUp 8s ease-in-out infinite;
    opacity: 0;
    position: relative;
}

.process-flow__connector {
    animation: connectorSlide 8s ease-in-out infinite;
    opacity: 0;
}

/* 顺序出现和循环动画 */
.process-flow__item:nth-child(1) { animation-delay: 0.1s; }
.process-flow__item:nth-child(1) .process-flow__connector { animation-delay: 0.4s; }

.process-flow__item:nth-child(2) { animation-delay: 0.8s; }
.process-flow__item:nth-child(2) .process-flow__connector { animation-delay: 1.1s; }

.process-flow__item:nth-child(3) { animation-delay: 1.5s; }
.process-flow__item:nth-child(3) .process-flow__connector { animation-delay: 1.8s; }

.process-flow__item:nth-child(4) { animation-delay: 2.2s; }
.process-flow__item:nth-child(4) .process-flow__connector { animation-delay: 2.5s; }

.process-flow__item:nth-child(5) { animation-delay: 2.9s; }
.process-flow__item:nth-child(5) .process-flow__connector { animation-delay: 3.2s; }

.process-flow__item:nth-child(6) { animation-delay: 3.6s; }

/* 移动端动画调整 */
@media (max-width: 768px) {
    .process-flow__connector {
        animation: connectorSlide 8s ease-in-out infinite;
    }
    
    .process-flow__item:nth-child(1) .process-flow__connector { animation-delay: 0.4s; }
    .process-flow__item:nth-child(2) .process-flow__connector { animation-delay: 1.1s; }
    .process-flow__item:nth-child(3) .process-flow__connector { animation-delay: 1.8s; }
    .process-flow__item:nth-child(4) .process-flow__connector { animation-delay: 2.5s; }
    .process-flow__item:nth-child(5) .process-flow__connector { animation-delay: 3.2s; }
}

/* 客户评价样式已删除 */

/* 联系部分样式 */
.contact-section {
    background-color: #007bff;
    padding: 60px 0;
    color: #fff;
}

.contact-section__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}

.contact-section__content {
    flex: 1;
}

.contact-section__title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 15px;
}

.contact-section__description {
    font-size: 18px;
    opacity: 0.9;
    line-height: 1.6;
}

.contact-section__button {
    flex-shrink: 0;
}

/* 团队成员样式 */
.about__team {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 30px;
}

/* 企业文化样式 */
.about__subtitle--culture {
    text-align: center;
    font-weight: bold;
    font-size: 24px;
    color: #333;
    margin-bottom: 40px;
    padding-bottom: 15px;
    position: relative;
    border-bottom: 3px solid #4a90e2;
    display: inline-block;
    width: 100%;
}

.about__subtitle--culture::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #ff6b6b;
}

.about__culture {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.culture__item {
    background-color: #ffffff;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    padding: 30px 20px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.culture__item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #4a90e2;
}

.culture__title {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 15px;
    position: relative;
    padding-bottom: 10px;
}

.culture__title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background-color: #4a90e2;
}

.culture__text {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

.team__member {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.team__photo {
    width: 150px;
    height: 150px;
    overflow: hidden;
    border-radius: 50%;
    margin-bottom: 20px;
}

.team__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.team__info {
    width: 100%;
}

.team__name {
    font-size: 18px;
    font-weight: 600;
    color: #333;
    margin-bottom: 8px;
}

.team__position {
    font-size: 14px;
    color: #666;
    margin-bottom: 12px;
}

.team__description {
    font-size: 14px;
    color: #888;
    line-height: 1.6;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
    color: #fff;
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

/* 添加背景装饰 */
.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #e74c3c, #9b59b6, #2ecc71);
    animation: gradientShift 5s ease-in-out infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

/* 为每个footer列添加卡片效果 */
.footer__info,
.footer__links,
.footer__contact-info-container {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 30px;
    transition: all 0.3s ease;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.footer__info:hover,
.footer__links:hover,
.footer__contact-info-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
    border-color: rgba(255, 255, 255, 0.2);
}

.footer__logo-title {
    font-size: 28px;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 8px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.footer__logo-subtitle {
    font-size: 14px;
    color: #bdc3c7;
    margin-bottom: 25px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer__description {
    color: #ecf0f1;
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 20px;
}

.footer__column-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 25px;
    color: #fff;
    position: relative;
    padding-bottom: 10px;
}

.footer__column-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #3498db, #e74c3c);
    border-radius: 3px;
}

.footer__links {
    list-style: none;
}

.footer__link-item {
    margin-bottom: 18px;
    position: relative;
}

.footer__link {
    color: #ffffff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 15px;
    display: inline-block;
    padding-left: 20px;
}

.footer__link::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #e74c3c;
    opacity: 0;
    transition: all 0.3s ease;
    transform: translateX(-10px);
}

.footer__link:hover {
    color: #e74c3c;
    transform: translateX(5px);
}

.footer__link:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* 联系方式容器 */
.footer__contact-info-container {
    display: flex;
    flex-direction: column;
}

.footer__contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer__contact-item {
    display: flex;
    gap: 15px;
    align-items: center;
    padding: 12px 15px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.footer__contact-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.footer__contact-icon {
    font-size: 24px;
    flex-shrink: 0;
    color: #3498db;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(52, 152, 219, 0.2);
    border-radius: 50%;
    transition: all 0.3s ease;
}

.footer__contact-item:hover .footer__contact-icon {
    background: rgba(52, 152, 219, 0.4);
    transform: scale(1.1) rotate(5deg);
}

.footer__contact-text {
    color: #ecf0f1;
    font-size: 15px;
    line-height: 1.6;
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.footer__copyright {
    color: #bdc3c7;
    font-size: 14px;
}

.footer__social {
    display: flex;
    gap: 15px;
}

.footer__social-link {
    color: #bdc3c7;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__social-link:hover {
    color: #3498db;
    background: rgba(52, 152, 219, 0.2);
    border-color: #3498db;
    transform: scale(1.1) rotate(5deg);
}

/* 响应式设计 */
@media (max-width: 992px) {
    .hero__title {
        font-size: 36px;
    }
    
    .hero__image {
        display: none;
    }
    
    /* 客户评价响应式样式已删除 */
}

@media (max-width: 768px) {
    /* 导航栏响应式 */
    .nav__logo-img {
        height: 30px;
    }
    
    .nav__title {
        font-size: 20px;
        padding-right: 60px;
    }
    
    .nav__subtitle {
        font-size: 10px;
    }
    
    .nav__menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        z-index: 999;
    }
    
    .nav__menu.active {
        transform: translateY(0);
    }
    
    .nav__menu li {
        margin: 10px 0;
    }
    
    .nav__contact {
        display: none;
    }
    
    .nav__toggle {
        display: block;
    }
    
    /* 英雄区域响应式 */
    .hero {
        padding: 60px 0;
    }
    
    .hero__container {
        flex-direction: column;
        text-align: center;
    }
    
    .hero__title {
        font-size: 32px;
    }
    
    .hero__buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    /* 服务优势响应式 */
    .advantages,
    .services-preview {
        padding: 60px 0;
    }
    
    .advantages__title,
    .services-preview__title {
        font-size: 28px;
    }
    
    /* 联系我们响应式 */
    .contact-section__container {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-section__title {
        font-size: 28px;
    }
    
    /* 页脚响应式 */
    .footer__content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer__bottom {
        flex-direction: column;
        text-align: center;
    }
    
    /* 关于我们页面响应式 */
    .about__content {
        flex-direction: column;
        gap: 30px;
    }
    
    .about__info,
    .about__image {
        flex: 1;
        width: 100%;
    }
    
    .history__timeline {
        padding: 0;
    }
    
    .history__item {
        flex-direction: column;
        gap: 15px;
    }
    
    .history__item:nth-child(even) {
        flex-direction: column;
    }
    
    .history__item-content {
        padding: 20px;
    }

    .about__team {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team__grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 20px;
    }
    
    /* 服务项目页面响应式 */
    .service__detail {
        flex-direction: column;
        gap: 30px;
    }
    
    .service__detail-content,
    .service__detail-image {
        flex: 1;
        width: 100%;
    }
    
    .services__process-steps {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* 客户评价页面响应式样式已删除 */
    
    /* 联系我们页面响应式 */
    .contact__content {
        flex-direction: column;
        gap: 30px;
    }
    
    .contact__form-section,
    .contact__info-section {
        flex: 1;
        width: 100%;
    }
    
    .contact__form-group {
        margin-bottom: 15px;
    }
    
    .contact__faq-list {
        gap: 20px;
    }
}

@media (max-width: 576px) {
    .hero__title {
        font-size: 28px;
    }
    
    .hero__description {
        font-size: 16px;
    }
    
    /* 客户评价移动端响应式样式已删除 */
}

/* 页面加载动画 */
body.loaded {
    opacity: 1;
    transition: opacity 0.5s ease;
}

body {
    opacity: 0;
}

/* 页面切换动画 */
body.fade-out {
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* 输入框焦点效果 */
.focused input,
.focused textarea {
    border-color: #007bff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* 错误输入框样式 */
input.error,
textarea.error {
    border-color: #dc3545;
}

/* 新闻展示区域样式 */
.news-section {
    padding: 80px 0;
    background-color: #f9fafb;
}

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

.news__title {
    font-size: 32px;
    color: #333;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.news__title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #667eea;
    border-radius: 2px;
}

.news__grid {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    overflow: hidden;
}

.news__item {
    background-color: #fff;
    transition: all 0.3s ease;
    cursor: pointer;
    padding: 20px;
    border-left: 4px solid #667eea;
    border-bottom: 1px solid #e2e8f0;
}

.news__item:last-child {
    border-bottom: none;
}

.news__item:hover {
    background-color: #f8f9fa;
    border-left-color: #5a67d8;
    padding-left: 25px;
}

.news__image {
    display: none;
}

.news__content {
    padding: 20px;
}

.news__item-title {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
    line-height: 1.4;
}

.news__meta {
    display: flex;
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.news__date {
    margin-right: 15px;
}

.news__excerpt {
    color: #555;
    font-size: 15px;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news__loading {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 0;
    color: #666;
    font-size: 16px;
}

.news__more {
    text-align: center;
}

/* 自适应图片样式 */
.image-responsive {
    max-width: 100%;
    height: auto;
    display: block;
}

/* 确保CKEditor编辑器中的所有图片都自动适应容器 */
.ck-editor__editable img {
    max-width: 100%;
    height: auto;
    display: block;
}