/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
}

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

/* 导航栏样式 */
.navbar {
    background-color: #ffffff;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: fixed;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

#companyLogo,
.navbar .logo #companyLogo {
    height: 30px !important;
    max-width: 180px !important;
    object-fit: contain !important;
    width: auto !important;
    display: block !important;
}

.logo img {
    height: 20px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2c3e50;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 20px;
}

.nav-links li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links li a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-links li a:hover::before,
.nav-links li a.active::before {
    width: 80%;
}

.nav-links li a:hover,
.nav-links li a.active {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    color: #3b82f6;
}

.hamburger {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #333;
}

/* 轮播图样式 */
.hero-section {
    position: relative;
    margin: 80px auto 60px;
    max-width: 1400px;
    height: 550px;
    overflow: hidden;
    background: #f8fafc;
    border-radius: 20px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.12);
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6, #ec4899);
    border-radius: 22px;
    z-index: -1;
    opacity: 0.6;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 1;
}

.slider {
    display: flex;
    width: 100%;
    height: 100%;
    position: relative;
}

.slide {
    min-width: 100%;
    height: 100%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    display: none;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    position: relative;
}

.slide.active {
    display: flex;
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(1.05);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.slide::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    /* background: linear-gradient(135deg, rgba(59, 130, 246, 0.3), rgba(37, 99, 235, 0.2)); */
}

.slide-content {
    position: relative;
    z-index: 1;
    background: rgba(15, 23, 42, 0.15);
    backdrop-filter: blur(20px);
    padding: 30px 50px;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.slide-content h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 700;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    letter-spacing: 2px;
}

.slider-indicators {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 2;
    align-items: center;
    padding: 8px 16px;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.indicator {
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.indicator.active {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    width: 40px;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.5);
}

.indicator:hover {
    background: rgba(255, 255, 255, 0.5);
    transform: scale(1.1);
}

.slider-arrows {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 30px;
    z-index: 2;
}

.arrow-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #fff;
    font-size: 1.2rem;
}

.arrow-btn:hover {
    background: rgba(59, 130, 246, 0.3);
    transform: scale(1.1);
}

/* 数据统计区域 */
.stats-section {
    padding: 40px 0;
    background: #f8fafc;
    position: relative;
}

.stats-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.stat-card {
    background: #ffffff;
    padding: 20px;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(59, 130, 246, 0.1);
    transition: all 0.3s ease;
    position: relative;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: #3b82f6;
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.15);
}

.stat-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 10px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
}

.stat-number {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 500;
}

.stats-center-image {
    display: none;
}

.stats-center-image img {
    display: none;
}

.stats-center-image::before {
    display: none;
}

.stats-center-image::after {
    display: none;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 关于我们区域 */
.about-section {
    padding: 100px 0;
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
}

.about-carousel-wrapper {
    width: 100%;
    position: relative;
}

.about-carousel-wrapper h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: #1e293b;
}

.about-info {
    display: flex;
    flex-direction: column;
}

.about-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: #1e293b;
}

.about-image {
    position: relative;
    overflow: hidden;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 1;
}

.about-image:hover::before {
    opacity: 1;
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.08);
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: #1e293b;
}

.about-content p,
.about-info p {
    font-size: 1rem;
    color: #475569;
    line-height: 2;
    margin-bottom: 20px;
    text-align: justify;
    text-indent: 2em;
    word-break: break-all;
    word-wrap: break-word;
}

.about-features {
    display: flex;
    flex-direction: row;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.1rem;
    color: #64748b;
}

.about-feature i {
    color: #3b82f6;
    font-size: 1.2rem;
}

/* 关于我们轮播图 */
.about-carousel {
    margin-bottom: 30px;
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.about-carousel-indicators {
    position: absolute;
    bottom: 25px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
    align-items: center;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.about-carousel-indicator {
    width: 40px;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.about-carousel-indicator.active {
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    width: 40px;
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.6);
}

.about-carousel-indicator:hover {
    background: rgba(255, 255, 255, 0.7);
    transform: scale(1.15);
}

.about-carousel-item {
    position: relative;
    display: none;
    animation: fadeIn 0.5s ease;
}

.about-carousel-item.active {
    display: block;
}

.about-carousel-item img {
    width: 100%;
    height: 400px;
    object-fit: contain;
    border-radius: 12px;
}

.carousel-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 20px;
    color: white;
    border-radius: 0 0 12px 12px;
    z-index: 2;
}

.carousel-caption h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.carousel-caption p {
    font-size: 0.95rem;
    opacity: 0.9;
}

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

/* 核心优势区域 */
.features-section {
    padding: 60px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 10px;
    color: #1e293b;
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    font-size: 1rem;
    color: #64748b;
    margin-bottom: 30px;
}

.features-container {
    display: grid;
    grid-template-columns: 1.5fr 1.2fr;
    gap: 30px;
    align-items: center;
}

.features-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.features-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease, opacity 0.3s ease;
}

.features-image:hover img {
    transform: scale(1.05);
}

.features-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.05));
    z-index: 1;
}

.features-grid {
    display: flex;
    gap: 0;
    position: relative;
    perspective: 1500px;
    height: 350px;
    align-items: center;
    justify-content: center;
}

.features-3d-container {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
}

.feature-card {
    background: #ffffff;
    padding: 15px 14px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: left;
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e2e8f0;
    position: absolute;
    overflow: visible;
    transform-style: preserve-3d;
    width: 240px;
    height: 180px;
    top: 50%;
    left: 50%;
    margin-top: -90px;
    margin-left: -120px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
}

.feature-card::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #3b82f6, #8b5cf6, #3b82f6);
    border-radius: 14px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
    background-size: 400% 400%;
    animation: gradientMove 3s ease infinite;
}

.feature-card:hover::after {
    opacity: 1;
}

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

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon-wrapper {
    position: relative;
    width: 65px;
    height: 65px;
    margin: 0 auto 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon-wrapper::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    opacity: 0.2;
    animation: pulse 2s ease-in-out infinite;
}

.feature-icon-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 50%;
    border: 2px solid transparent;
    background-clip: padding-box;
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

.feature-card i {
    font-size: 1.4rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    transition: all 0.3s ease;
    filter: drop-shadow(0 0 4px rgba(59, 130, 246, 0.5));
}

.feature-card:hover i {
    transform: scale(1.1);
    filter: drop-shadow(0 0 8px rgba(59, 130, 246, 0.8));
}

.feature-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: #1e293b;
    font-weight: 600;
    background: linear-gradient(135deg, #1e293b, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-card p {
    color: #64748b;
    line-height: 1.5;
    font-size: 0.75rem;
    margin-top: 5px;
}

.feature-card:nth-child(1) {
    transform: translateZ(0px) translateX(-140px) translateY(20px);
    z-index: 1;
    opacity: 0.85;
}

.feature-card:nth-child(2) {
    transform: translateZ(60px) translateX(0px) translateY(-30px);
    z-index: 2;
    opacity: 0.95;
}

.feature-card:nth-child(3) {
    transform: translateZ(120px) translateX(140px) translateY(20px);
    z-index: 3;
    opacity: 1;
}

.features-3d-container:hover .feature-card:nth-child(1) {
    transform: translateZ(-30px) translateX(-140px) translateY(20px) rotateY(-8deg);
    opacity: 0.7;
}

.features-3d-container:hover .feature-card:nth-child(2) {
    transform: translateZ(40px) translateX(0px) translateY(-30px) rotateY(-3deg);
    opacity: 0.9;
}

.features-3d-container:hover .feature-card:nth-child(3) {
    transform: translateZ(100px) translateX(140px) translateY(20px) rotateY(5deg);
    opacity: 1;
}

/* 服务流程区域 */
.process-section {
    padding: 60px 0;
    background: #ffffff;
}

.process-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.process-item {
    text-align: center;
    padding: 20px 15px;
    position: relative;
}

.process-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #f0f0f0;
    opacity: 0.1;
    position: absolute;
    top: 5px;
    right: 10px;
    line-height: 1;
}

.process-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 10px;
    background: #3b82f6;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
    transition: all 0.3s ease;
}

.process-item:hover .process-icon {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.process-item h3 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.process-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.9rem;
}

.process-image {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.process-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.process-image:hover img {
    transform: scale(1.05);
}

.process-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.05));
    z-index: 1;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #3b82f6;
    color: #fff;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border-radius: 8px;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background-color: #2563eb;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.45);
}

.btn-secondary {
    background: transparent;
    color: #3b82f6;
    border: 2px solid #3b82f6;
    position: relative;
    overflow: hidden;
    z-index: 1;
    border-radius: 8px;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: #3b82f6;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-secondary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.3);
}

.cta-section .btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.8);
    position: relative;
    overflow: hidden;
    z-index: 1;
    border-radius: 8px;
}

.cta-section .btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.9);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    z-index: -1;
}

.cta-section .btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.cta-section .btn-secondary:hover {
    color: #667eea;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(255, 255, 255, 0.3);
    border-color: #fff;
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* CTA区域 */
.cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section .container {
    max-width: 900px;
}

.cta-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><linearGradient id="g1" x1="0%" y1="0%" x2="100%" y2="100%"><stop offset="0%" style="stop-color:%23667eea;stop-opacity:1" /><stop offset="100%" style="stop-color:%23764ba2;stop-opacity:1" /></linearGradient></defs><rect width="100" height="100" fill="url(%23g1)" opacity="0.1"/></svg>');
    background-size: 50px 50px;
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-icon-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: pulse 2s ease-in-out infinite;
}

.cta-icon-wrapper i {
    font-size: 2.5rem;
    color: #fff;
}

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

.cta-content h2 {
    font-size: 2.8rem;
    color: #fff;
    margin-bottom: 15px;
    font-weight: 700;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-features {
    display: flex;
    gap: 40px;
    justify-content: center;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.cta-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.cta-feature:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateY(-5px);
}

.cta-feature i {
    font-size: 1.2rem;
    color: #fff;
}

.cta-feature span {
    font-size: 1rem;
    color: #fff;
    font-weight: 500;
}

.cta-buttons {
    display: flex;
    gap: 25px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons a {
    padding: 15px 40px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* 页面标题样式 */
.page-header {
    margin-top: 40px;
    padding: 40px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: float 20s linear infinite;
    pointer-events: none;
}

@keyframes float {
    0% {
        transform: translate(0, 0);
    }
    100% {
        transform: translate(30px, 30px);
    }
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
    font-weight: 800;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.page-header p {
    font-size: 1.2rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
    font-weight: 300;
    letter-spacing: 0.5px;
}

/* 关于我们样式 */
.about {
    padding: 60px 0;
    background-color: #fff;
}

.about-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.about-content h2 {
    font-size: 2rem;
    margin-bottom: 20px;
    color: #2c3e50;
}

.about-content p {
    font-size: 1.1rem;
    color: #666;
    line-height: 1.8;
}

/* 核心优势样式 */
.features {
    padding: 60px 0;
    background-color: #f9f9f9;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 40px;
    color: #2c3e50;
}

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

.feature-card {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.feature-card i {
    font-size: 3rem;
    color: #3498db;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
}

.feature-card p {
    color: #666;
    line-height: 1.6;
}

/* FAQ样式 */
.faq-section {
    padding: 60px 0 80px;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
    position: relative;
    overflow: hidden;
}

.faq-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    border-radius: 0 0 50% 50% / 0 0 100px 100px;
}

.faq-section-title {
    text-align: center;
    font-size: 2.8rem;
    margin-bottom: 10px;
    color: #1e293b;
    font-weight: 800;
    letter-spacing: -0.5px;
    position: relative;
}

.faq-section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    margin: 20px auto 0;
    border-radius: 2px;
}

.faq-section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 50px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
}

.faq-search-container {
    max-width: 700px;
    margin: 0 auto 50px;
    position: relative;
    z-index: 1;
}

.faq-search-box {
    position: relative;
    display: flex;
    align-items: center;
    background: #fff;
    border-radius: 50px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    padding: 8px 30px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.faq-search-box:focus-within {
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
    transform: translateY(-3px);
    border-color: #3b82f6;
}

.faq-search-box i {
    color: #94a3b8;
    font-size: 1.3rem;
    margin-right: 18px;
    transition: color 0.3s ease;
}

.faq-search-box:focus-within i {
    color: #3b82f6;
}

.faq-search-box input {
    flex: 1;
    border: none;
    outline: none;
    font-size: 1.05rem;
    color: #1e293b;
    padding: 18px 0;
    background: transparent;
    font-weight: 500;
}

.faq-search-box input::placeholder {
    color: #94a3b8;
    font-weight: 400;
}

.faq-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 40px;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.filter-btn {
    padding: 12px 28px;
    border: 2px solid #e2e8f0;
    background-color: #fff;
    color: #64748b;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.filter-btn:hover {
    border-color: #3b82f6;
    color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.15);
}

.filter-btn.active {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.35);
}

.faq-list {
    max-width: 1300px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    position: relative;
    z-index: 1;
}

@media (max-width: 1024px) {
    .faq-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media (max-width: 640px) {
    .faq-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.no-faq {
    text-align: center;
    color: #94a3b8;
    font-size: 1.2rem;
    padding: 60px 0;
    grid-column: 1 / -1;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
}

.faq-card {
    background: #fff;
    border-radius: 20px;
    padding: 32px 28px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(226, 232, 240, 0.8);
    position: relative;
    overflow: hidden;
}

.faq-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.faq-card:hover {
    box-shadow: 0 12px 40px rgba(59, 130, 246, 0.2);
    transform: translateY(-8px);
    border-color: rgba(59, 130, 246, 0.3);
}

.faq-card:hover::before {
    transform: scaleX(1);
}

.faq-card:hover::after {
    opacity: 1;
}

.faq-card-content {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    position: relative;
    z-index: 1;
}

.faq-card-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.12), rgba(139, 92, 246, 0.12));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    position: relative;
}

.faq-card-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 18px;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.faq-card:hover .faq-card-icon::before {
    opacity: 0.3;
}

.faq-card:hover .faq-card-icon {
    transform: scale(1.08) rotate(5deg);
}

.faq-card-icon i {
    font-size: 1.6rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.4s ease;
}

.faq-card:hover .faq-card-icon i {
    transform: scale(1.1);
}

.faq-card-text {
    flex: 1;
    min-width: 0;
}

.faq-card-title {
    font-size: 1.15rem;
    color: #1e293b;
    margin: 0 0 12px 0;
    font-weight: 700;
    line-height: 1.5;
    letter-spacing: -0.3px;
    transition: color 0.3s ease;
}

.faq-card:hover .faq-card-title {
    color: #3b82f6;
}

.faq-card-preview {
    font-size: 0.92rem;
    color: #64748b;
    margin: 0;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.faq-card-footer {
    margin-top: 20px;
    padding-top: 0;
    border-top: none;
    display: flex;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.faq-card-btn {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    border: none;
    padding: 14px 0;
    width: 100%;
    border-radius: 0 0 20px 20px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
    position: relative;
    overflow: hidden;
    clip-path: ellipse(150% 100% at 50% 100%);
    margin: 0 -28px -28px -28px;
}

.faq-card-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    clip-path: ellipse(150% 100% at 50% 100%);
}

.faq-card-btn:hover::before {
    left: 100%;
}

.faq-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.faq-card-btn:active {
    transform: translateY(0);
}

.faq-card-btn i {
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.faq-card-btn:hover i {
    transform: scale(1.1);
}

/* FAQ分页控制样式 */
.faq-pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.faq-page-size-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-page-size-selector label {
    font-size: 0.95rem;
    color: #64748b;
    font-weight: 500;
}

.faq-page-size-select {
    padding: 8px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    color: #334155;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.faq-page-size-select:hover {
    border-color: #3b82f6;
}

.faq-page-size-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.faq-pagination-info {
    font-size: 0.95rem;
    color: #64748b;
    font-weight: 500;
}

/* FAQ分页导航样式 */
.faq-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding: 20px;
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 2px solid #e2e8f0;
    background: #fff;
    color: #334155;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    outline: none;
}

.pagination-btn:hover:not(.disabled) {
    border-color: #3b82f6;
    color: #3b82f6;
    background: rgba(59, 130, 246, 0.05);
    transform: translateY(-2px);
}

.pagination-btn.active {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    border-color: #3b82f6;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.pagination-btn.active:hover {
    transform: translateY(-2px);
}

.pagination-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    background: #f1f5f9;
}

.pagination-btn.disabled:hover {
    transform: none;
}

.pagination-ellipsis {
    padding: 0 8px;
    color: #64748b;
    font-size: 1rem;
    font-weight: 500;
}

/* FAQ详情页样式 */
.faq-detail-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.faq-detail-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-detail-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.faq-detail-header {
    display: flex;
    gap: 20px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.faq-detail-category,
.faq-detail-date {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 25px;
    color: #3b82f6;
    font-size: 0.9rem;
    font-weight: 500;
}

.faq-detail-category i,
.faq-detail-date i {
    font-size: 1rem;
}

.faq-detail-question {
    font-size: 1.8rem;
    color: #1e293b;
    margin-bottom: 30px;
    font-weight: 700;
    line-height: 1.5;
}

.faq-detail-answer {
    padding: 30px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
    margin-bottom: 30px;
}

.faq-detail-answer p {
    font-size: 1.05rem;
    color: #475569;
    line-height: 1.8;
    margin: 0 0 16px 0;
}

.faq-detail-answer p:last-child {
    margin-bottom: 0;
}

.faq-detail-answer img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin: 16px 0;
}

.faq-detail-answer h1,
.faq-detail-answer h2,
.faq-detail-answer h3,
.faq-detail-answer h4,
.faq-detail-answer h5,
.faq-detail-answer h6 {
    color: #1e293b;
    margin: 24px 0 16px 0;
}

.faq-detail-answer h1 {
    font-size: 2rem;
}

.faq-detail-answer h2 {
    font-size: 1.75rem;
}

.faq-detail-answer h3 {
    font-size: 1.5rem;
}

.faq-detail-answer ul,
.faq-detail-answer ol {
    margin: 16px 0;
    padding-left: 24px;
}

.faq-detail-answer li {
    margin: 8px 0;
    color: #475569;
    line-height: 1.8;
}

.faq-detail-answer blockquote {
    border-left: 4px solid #3b82f6;
    padding-left: 16px;
    margin: 16px 0;
    color: #64748b;
    font-style: italic;
}

.faq-detail-answer code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.faq-detail-answer pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 16px 0;
}

.faq-detail-answer pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.faq-detail-answer table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.faq-detail-answer th,
.faq-detail-answer td {
    border: 1px solid #e2e8f0;
    padding: 12px;
    text-align: left;
}

.faq-detail-answer th {
    background: #f8fafc;
    font-weight: 600;
}

.faq-detail-answer a {
    color: #3b82f6;
    text-decoration: none;
}

.faq-detail-answer a:hover {
    text-decoration: underline;
}

.faq-detail-actions {
    display: flex;
    gap: 15px;
}

.faq-detail-back {
    text-align: center;
    margin-top: 20px;
}

.error-message {
    text-align: center;
    padding: 60px 40px;
    background: #fff;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.error-message i {
    font-size: 4rem;
    color: #ef4444;
    margin-bottom: 20px;
}

.error-message p {
    font-size: 1.2rem;
    color: #64748b;
    margin-bottom: 30px;
}

/* 案例详情样式 */
.case-detail-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.case-detail-container {
    max-width: 900px;
    margin: 0 auto;
}

.case-detail-card {
    background: #fff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    margin-bottom: 30px;
}

.case-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 15px;
}

.case-detail-meta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.case-detail-industry,
.case-detail-category,
.case-detail-featured {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    border-radius: 25px;
    color: #3b82f6;
    font-size: 0.9rem;
    font-weight: 500;
}

.case-detail-featured {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(251, 191, 36, 0.1));
    color: #f59e0b;
}

.case-detail-industry i,
.case-detail-category i,
.case-detail-featured i {
    font-size: 1rem;
}

.case-detail-date {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: #f1f5f9;
    border-radius: 25px;
    color: #64748b;
    font-size: 0.9rem;
    font-weight: 500;
}

.case-detail-date i {
    font-size: 1rem;
}

.case-detail-image {
    width: 809px;
    height: 150px;
    margin: 0 auto 30px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.case-detail-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.case-detail-image:hover img {
    transform: scale(1.02);
}

.case-detail-title {
    font-size: 2.2rem;
    color: #1e293b;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.4;
}

.case-detail-client {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 30px;
}

.case-detail-client i {
    font-size: 1.2rem;
}

.case-detail-section {
    margin-bottom: 30px;
}

.case-detail-section h3 {
    font-size: 1.4rem;
    color: #1e293b;
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.case-detail-section h3 i {
    color: #3b82f6;
}

.case-detail-description,
.case-detail-solution,
.case-detail-result {
    padding: 25px;
    background: #f8fafc;
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
    line-height: 1.8;
    color: #475569;
    font-size: 1.05rem;
}

.case-detail-description p,
.case-detail-solution p,
.case-detail-result p {
    margin: 0 0 16px 0;
}

.case-detail-description p:last-child,
.case-detail-solution p:last-child,
.case-detail-result p:last-child {
    margin-bottom: 0;
}

.case-detail-solution img,
.case-detail-result img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    margin: 16px 0;
}

.case-detail-solution h1,
.case-detail-solution h2,
.case-detail-solution h3,
.case-detail-solution h4,
.case-detail-solution h5,
.case-detail-solution h6,
.case-detail-result h1,
.case-detail-result h2,
.case-detail-result h3,
.case-detail-result h4,
.case-detail-result h5,
.case-detail-result h6 {
    color: #1e293b;
    margin: 24px 0 16px 0;
}

.case-detail-solution h1,
.case-detail-result h1 {
    font-size: 2rem;
}

.case-detail-solution h2,
.case-detail-result h2 {
    font-size: 1.75rem;
}

.case-detail-solution h3,
.case-detail-result h3 {
    font-size: 1.5rem;
}

.case-detail-solution ul,
.case-detail-solution ol,
.case-detail-result ul,
.case-detail-result ol {
    margin: 16px 0;
    padding-left: 24px;
}

.case-detail-solution li,
.case-detail-result li {
    margin: 8px 0;
    color: #475569;
    line-height: 1.8;
}

.case-detail-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.case-detail-back {
    text-align: center;
    margin-top: 20px;
}

@media (max-width: 768px) {
    .case-detail-card {
        padding: 25px;
        border-radius: 16px;
    }

    .case-detail-header {
        flex-direction: column;
        gap: 15px;
    }

    .case-detail-meta {
        flex-direction: column;
        gap: 10px;
    }

    .case-detail-title {
        font-size: 1.6rem;
    }

    .case-detail-description,
    .case-detail-solution,
    .case-detail-result {
        padding: 20px;
    }
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
    background: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.faq-item:hover {
    box-shadow: 0 8px 25px rgba(59, 130, 246, 0.12);
    transform: translateY(-2px);
}

.faq-question {
    padding: 25px 30px;
    background-color: #fff;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 500;
    transition: all 0.3s ease;
}

.faq-question span {
    font-size: 1.1rem;
    color: #1e293b;
    font-weight: 600;
    flex: 1;
}

.faq-question:hover {
    background-color: #f8fafc;
}

.faq-question i {
    transition: transform 0.3s ease;
    color: #3b82f6;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 30px;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    background-color: #f8fafc;
}

.faq-item.active .faq-answer {
    padding: 25px 30px;
    max-height: 500px;
    color: #475569;
    line-height: 1.8;
}

.faq-answer p {
    margin: 0 0 16px 0;
}

.faq-answer p:last-child {
    margin-bottom: 0;
}

.faq-answer img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin: 16px 0;
}

.faq-answer h1,
.faq-answer h2,
.faq-answer h3,
.faq-answer h4,
.faq-answer h5,
.faq-answer h6 {
    color: #1e293b;
    margin: 20px 0 12px 0;
}

.faq-answer h1 {
    font-size: 1.75rem;
}

.faq-answer h2 {
    font-size: 1.5rem;
}

.faq-answer h3 {
    font-size: 1.25rem;
}

.faq-answer ul,
.faq-answer ol {
    margin: 12px 0;
    padding-left: 24px;
}

.faq-answer li {
    margin: 6px 0;
    color: #475569;
    line-height: 1.6;
}

.faq-answer blockquote {
    border-left: 4px solid #3b82f6;
    padding-left: 16px;
    margin: 12px 0;
    color: #64748b;
    font-style: italic;
}

.faq-answer code {
    background: #f1f5f9;
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
}

.faq-answer pre {
    background: #1e293b;
    color: #e2e8f0;
    padding: 12px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
}

.faq-answer pre code {
    background: none;
    padding: 0;
    color: inherit;
}

.faq-answer table {
    width: 100%;
    border-collapse: collapse;
    margin: 12px 0;
}

.faq-answer th,
.faq-answer td {
    border: 1px solid #e2e8f0;
    padding: 8px;
    text-align: left;
}

.faq-answer th {
    background: #f8fafc;
    font-weight: 600;
}

.faq-answer a {
    color: #3b82f6;
    text-decoration: none;
}

.faq-answer a:hover {
    text-decoration: underline;
}

/* 产品升级样式 */
.updates-section {
    padding: 20px 0;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
    min-height: 100vh;
    position: relative;
}

.updates-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    clip-path: polygon(0 0, 100% 0, 100% 70%, 0 100%);
}

.updates-section .container {
    position: relative;
    z-index: 1;
}

.featured-updates {
    margin-bottom: 50px;
    padding: 45px;
    background: white;
    border-radius: 20px;
    border-left: 6px solid #667eea;
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    position: relative;
    overflow: hidden;
}

.featured-updates::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.08) 100%);
    border-radius: 50%;
}

.featured-updates::after {
    content: '置顶';
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.featured-updates h3 {
    color: #1e293b;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    line-height: 1.4;
}

.featured-updates h3::before {
    content: '\f0eb';
    font-family: 'FontAwesome';
    font-size: 1.4rem;
    color: #667eea;
}

.featured-updates .update-date {
    color: #64748b;
    font-size: 0.9rem;
    margin-bottom: 20px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.08) 100%);
    padding: 8px 16px;
    border-radius: 25px;
    font-weight: 500;
}

.featured-updates .update-date::before {
    content: '\f073';
    font-family: 'FontAwesome';
    color: #667eea;
}

.featured-updates .update-content {
    color: #475569;
    line-height: 1.9;
    font-size: 1.1rem;
    margin-bottom: 25px;
}

.featured-updates .view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
    padding: 14px 36px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 30px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.35);
    text-decoration: none;
}

.featured-updates .view-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.45);
}

.updates-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.update-item {
    padding: 35px;
    background: white;
    border-radius: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.update-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.update-item::after {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.04) 100%);
    border-radius: 50%;
    transition: all 0.4s ease;
}

.update-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.2);
    border-color: #667eea;
}

.update-item:hover::after {
    transform: scale(1.2);
}

.update-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid #f1f5f9;
}

.update-header h3 {
    color: #1e293b;
    font-size: 1.4rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
    flex: 1;
    padding-right: 20px;
}

.update-date {
    color: #64748b;
    font-size: 0.85rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.08) 100%);
    padding: 7px 14px;
    border-radius: 25px;
    font-weight: 500;
    white-space: nowrap;
}

.update-date::before {
    content: '\f073';
    font-family: 'FontAwesome';
    color: #667eea;
}

.update-content {
    color: #475569;
    line-height: 1.9;
    font-size: 1.05rem;
    margin-bottom: 25px;
}

.update-content p {
    margin: 0 0 12px 0;
}

.update-content p:last-child {
    margin-bottom: 0;
}

.update-item .view-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 15px;
    padding: 12px 28px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 28px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 18px rgba(102, 126, 234, 0.3);
    text-decoration: none;
}

.update-item .view-btn::before {
    content: '\f06e';
    font-family: 'FontAwesome';
}

.update-item .view-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 22px rgba(102, 126, 234, 0.4);
}

/* 空状态提示 */
.updates-list:empty::before {
    content: '暂无公告';
    display: block;
    text-align: center;
    padding: 60px 20px;
    color: #94a3b8;
    font-size: 1.1rem;
    grid-column: 1 / -1;
}

.featured-updates:empty {
    display: none;
}

/* 响应式增强 */
@media (max-width: 768px) {
    .updates-section {
        padding: 60px 0;
    }

    .updates-section::before {
        height: 200px;
        clip-path: polygon(0 0, 100% 0, 100% 60%, 0 100%);
    }

    .featured-updates {
        padding: 30px;
        border-radius: 16px;
    }

    .featured-updates h3 {
        font-size: 1.4rem;
    }

    .featured-updates .update-content {
        font-size: 1rem;
    }

    .updates-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .update-item {
        padding: 25px;
        border-radius: 16px;
    }

    .update-header {
        flex-direction: column;
        gap: 12px;
    }

    .update-header h3 {
        font-size: 1.2rem;
        padding-right: 0;
    }

    .update-date {
        font-size: 0.8rem;
        padding: 5px 12px;
    }

    .update-content {
        font-size: 0.95rem;
    }

    .page-header {
        padding: 70px 0;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .page-header p {
        font-size: 1rem;
    }
}

/* 工具下载样式 */
.tools-section {
    padding: 60px 0;
    background-color: #fff;
}

.tools-download,
.api-documentation {
    margin-bottom: 60px;
}

.tools-section h2 {
    font-size: 1.8rem;
    margin-bottom: 30px;
    color: #2c3e50;
    border-bottom: 2px solid #3498db;
    padding-bottom: 10px;
}

.tools-filters,
.api-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.tools-list,
.api-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.tool-item,
.api-item {
    padding: 20px;
    background-color: #f9f9f9;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.tool-item:hover,
.api-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

.tool-item h3,
.api-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: #2c3e50;
}

.tool-item p,
.api-item p {
    color: #666;
    margin-bottom: 15px;
    line-height: 1.6;
}

.tool-info,
.api-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: #999;
}

.download-btn,
.view-btn {
    display: inline-block;
    padding: 8px 15px;
    background-color: #3498db;
    color: #fff;
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    text-align: center;
}

.download-btn:hover,
.view-btn:hover {
    background-color: #2980b9;
}

/* 营销案例样式 */
.cases-section {
    padding: 60px 0;
    background-color: #fff;
}

.cases-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
    justify-content: center;
}

.cases-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.case-item {
    background-color: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.case-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 160px;
    background-size: cover;
    background-position: center;
}

.case-content {
    padding: 18px;
}

.case-content h3 {
    font-size: 1.1rem;
    margin-bottom: 10px;
    color: #2c3e50;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.case-category {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(139, 92, 246, 0.1));
    color: #3b82f6;
    border-radius: 12px;
    font-size: 0.8rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.case-content p {
    color: #666;
    line-height: 1.5;
    margin-bottom: 15px;
    font-size: 0.9rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.view-case-btn {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 500;
}

.view-case-btn:hover {
    background: linear-gradient(135deg, #2563eb, #7c3aed);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

/* 营销案例分页控制样式 */
.cases-pagination-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.cases-page-size-selector {
    display: flex;
    align-items: center;
    gap: 10px;
}

.cases-page-size-selector label {
    font-size: 0.95rem;
    color: #64748b;
    font-weight: 500;
}

.cases-page-size-select {
    padding: 8px 15px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 0.95rem;
    color: #334155;
    background: #fff;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
}

.cases-page-size-select:hover {
    border-color: #3b82f6;
}

.cases-page-size-select:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.cases-pagination-info {
    font-size: 0.95rem;
    color: #64748b;
    font-weight: 500;
}

/* 营销案例分页导航样式 */
.cases-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding: 20px;
}

@media (max-width: 1024px) {
    .cases-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .cases-list {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* 企业微信二维码弹窗样式 */
.wechat-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.wechat-modal.active {
    display: flex;
}

.wechat-modal-content {
    background: #fff;
    border-radius: 20px;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

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

.wechat-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid #e5e7eb;
}

.wechat-modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: #1e293b;
    font-weight: 600;
}

.wechat-modal-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 5px;
}

.wechat-modal-close:hover {
    color: #ef4444;
    transform: rotate(90deg);
}

.wechat-modal-body {
    padding: 30px 25px;
    text-align: center;
}

.wechat-qr-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.wechat-qr-code {
    width: 200px;
    height: 200px;
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    object-fit: contain;
}

.wechat-modal-text {
    font-size: 1rem;
    color: #1e293b;
    margin-bottom: 8px;
    font-weight: 500;
}

.wechat-modal-subtext {
    font-size: 0.9rem;
    color: #64748b;
    margin: 0;
}

/* 页脚样式 */
.footer {
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    color: #fff;
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6, #ec4899);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 50px;
}

.footer-brand {
    padding-right: 20px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo i {
    font-size: 2rem;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo span {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    font-size: 0.95rem;
    line-height: 1.8;
    opacity: 0.85;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

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

.social-link:hover {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(59, 130, 246, 0.3);
}

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 25px;
    color: #fff;
    font-weight: 600;
    position: relative;
    padding-bottom: 15px;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #8b5cf6);
    border-radius: 2px;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 14px;
}

.footer-section ul li a {
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
}

.footer-section ul li a:hover {
    color: #fff;
    padding-left: 5px;
}

.contact-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #cbd5e1;
    opacity: 0.9;
}

.contact-list li i {
    color: #3b82f6;
    font-size: 1rem;
}

.footer-info h3,
.footer-links h3 {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: #fff;
}

.footer-info p {
    margin-bottom: 10px;
    opacity: 0.8;
}

.footer-links ul {
    list-style: none;
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: #fff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-links ul li a:hover {
    opacity: 1;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0.7;
    font-size: 0.9rem;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-content p {
    color: #94a3b8;
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 30px;
}

.footer-bottom-links a {
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.footer-bottom-links a:hover {
    color: #3b82f6;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .cases-list {
        grid-template-columns: 1fr;
    }

    .cases-pagination-controls {
        flex-direction: column;
        gap: 15px;
    }

    .cases-pagination {
        flex-wrap: wrap;
    }
    .hamburger {
        display: block;
    }

    .nav-links {
        position: absolute;
        top: 80px;
        left: -100%;
        flex-direction: column;
        background-color: #fff;
        width: 100%;
        padding: 20px;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        transition: all 0.3s ease;
    }

    .nav-links.active {
        left: 0;
    }

    .hero-section {
        height: 400px;
    }

    .slide-content h2 {
        font-size: 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .about-carousel-wrapper {
        order: -1;
    }

    .about-features {
        flex-direction: column;
        gap: 15px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-brand {
        padding-right: 0;
        margin-bottom: 30px;
    }

    .footer-bottom-content {
        flex-direction: column;
        gap: 20px;
    }

    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 20px;
    }

    .about-image {
        order: -1;
    }

    .process-container {
        grid-template-columns: 1fr;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .process-image {
        order: -1;
        margin-bottom: 20px;
    }

    .features-container {
        grid-template-columns: 1fr;
    }

    .features-grid {
        height: auto;
        min-height: 400px;
    }

    .feature-card {
        position: relative;
        transform: none !important;
        margin: 20px auto;
        width: 100%;
        max-width: 300px;
    }

    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .page-header {
        padding: 40px 0;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .cases-list {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo span {
        font-size: 1.2rem;
    }

    .hero-section {
        height: 300px;
    }

    .slide-content {
        padding: 20px 30px;
    }

    .slide-content h2 {
        font-size: 1.5rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 1.8rem;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1rem;
    }

    .process-grid {
        grid-template-columns: 1fr;
    }

    .process-number {
        font-size: 3rem;
    }

    .process-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }

    .cta-content h2 {
        font-size: 2rem;
    }

    .about-content h2,
    .features h2,
    .tools-section h2 {
        font-size: 1.5rem;
    }
}

/* 在线客服浮动图标容器 */
.floating-chat-container {
    position: fixed;
    right: 30px;
    bottom: 100px;
    z-index: 9998;
    display: flex;
    flex-direction: column;
    gap: 15px;
    pointer-events: none;
}

.floating-chat-icon,
.floating-consult-icon,
.floating-top-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    animation: float 3s ease-in-out infinite;
    pointer-events: auto;
}

.floating-chat-icon:hover,
.floating-consult-icon:hover {
    transform: scale(1.15) translateY(-5px);
    box-shadow: 0 8px 30px rgba(59, 130, 246, 0.6);
}

.floating-chat-icon i,
.floating-consult-icon i,
.floating-top-icon i {
    color: #fff;
    font-size: 1.5rem;
    position: relative;
    z-index: 1;
}

.floating-top-icon {
    background: linear-gradient(135deg, #64748b, #94a3b8);
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    animation: none;
}

.floating-top-icon.show {
    opacity: 1;
    transform: translateY(0);
}

.floating-top-icon:hover {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    transform: translateY(-5px);
}

.icon-label {
    position: absolute;
    right: 100%;
    margin-right: 10px;
    background: #1e293b;
    color: #fff;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    z-index: 9999;
    top: 50%;
    transform: translate(10px, -50%);
}

.floating-chat-icon:hover .icon-label,
.floating-consult-icon:hover .icon-label,
.floating-top-icon:hover .icon-label {
    opacity: 1;
    transform: translate(-5px, -50%);
}

.icon-label::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border: 6px solid transparent;
    border-left-color: #1e293b;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* 在线客服弹窗 */
.chat-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 9999;
    animation: fadeIn 0.3s ease;
    align-items: center;
    justify-content: center;
}

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

.chat-modal-content {
    width: 420px;
    max-height: 650px;
    background: #ffffff;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: slideInRight 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 20px;
    max-width: 90vw;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

.chat-modal-header {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    padding: 20px 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.chat-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.1)"/></svg>');
    background-size: 150px 150px;
    background-position: -30px -30px;
    animation: moveBackground 20s linear infinite;
}

@keyframes moveBackground {
    0% {
        background-position: -30px -30px;
    }
    100% {
        background-position: 120px 120px;
    }
}

.chat-modal-header h3 {
    margin: 0;
    font-size: 1.3rem;
    color: #ffffff;
    font-weight: 600;
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-modal-header h3::before {
    content: '';
    width: 10px;
    height: 10px;
    background: #22c55e;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px rgba(34, 197, 94, 0.6);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.7;
        transform: scale(1.2);
    }
}

.chat-modal-close {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.chat-modal-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg) scale(1.1);
}

.chat-modal-close i {
    color: #ffffff;
    font-size: 1.1rem;
}

.chat-modal-body {
    display: flex;
    flex-direction: column;
    height: calc(100% - 70px);
    background: #f8fafc;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
    min-height: 400px;
    max-height: 480px;
    scrollbar-width: thin;
    scrollbar-color: #cbd5e1 #f1f5f9;
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

.chat-message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: messageSlideIn 0.3s ease;
}

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

.chat-message.bot-message {
    justify-content: flex-start;
}

.chat-message.user-message {
    justify-content: flex-end;
}

.chat-message-content {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 16px;
    position: relative;
    line-height: 1.6;
    word-wrap: break-word;
}

.chat-message.bot-message .chat-message-content {
    background: #ffffff;
    color: #1e293b;
    border: 1px solid #e2e8f0;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.chat-message.user-message .chat-message-content {
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #ffffff;
    border-bottom-right-radius: 4px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.chat-message-content p {
    margin: 0;
    font-size: 0.95rem;
}

.chat-message.bot-message .chat-message-content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 12px;
    border: 8px solid transparent;
    border-right-color: #ffffff;
}

.chat-message.user-message .chat-message-content::before {
    content: '';
    position: absolute;
    right: -8px;
    top: 12px;
    border: 8px solid transparent;
    border-left-color: #3b82f6;
}

.chat-input-area {
    display: flex;
    gap: 10px;
    padding: 15px 20px;
    background: #ffffff;
    border-top: 1px solid #e2e8f0;
}

.chat-input-area input {
    flex: 1;
    padding: 12px 18px;
    border: 2px solid #e2e8f0;
    border-radius: 25px;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
    background: #f8fafc;
}

.chat-input-area input:focus {
    border-color: #3b82f6;
    background: #ffffff;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.chat-input-area input::placeholder {
    color: #94a3b8;
}

.chat-input-area button {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.chat-input-area button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

.chat-input-area button:active {
    transform: scale(0.95);
}

.chat-input-area button i {
    color: #ffffff;
    font-size: 1.1rem;
    margin-left: 2px;
}

/* 响应式设计 - 在线客服 */
@media (max-width: 768px) {
    .floating-chat-container {
        right: 20px;
        bottom: 80px;
    }

    .floating-chat-icon,
    .floating-consult-icon,
    .floating-top-icon {
        width: 50px;
        height: 50px;
    }

    .floating-chat-icon i,
    .floating-consult-icon i,
    .floating-top-icon i {
        font-size: 1.2rem;
    }

    .chat-modal-content {
        right: 10px;
        left: 10px;
        bottom: 80px;
        width: auto;
        max-height: 70vh;
    }

    .chat-modal-header {
        padding: 15px 20px;
    }

    .chat-modal-header h3 {
        font-size: 1.1rem;
    }

    .chat-messages {
        padding: 15px;
        min-height: 300px;
        max-height: 350px;
    }

    .chat-message-content {
        max-width: 85%;
        padding: 10px 14px;
    }

    .chat-input-area {
        padding: 12px 15px;
    }

    .chat-input-area input {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .chat-input-area button {
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .floating-chat-container {
        right: 15px;
        bottom: 70px;
    }

    .floating-chat-icon,
    .floating-consult-icon,
    .floating-top-icon {
        width: 45px;
        height: 45px;
    }

    .floating-chat-icon i,
    .floating-consult-icon i,
    .floating-top-icon i {
        font-size: 1rem;
    }

    .icon-label {
        display: none;
    }

    .chat-modal-content {
        right: 5px;
        left: 5px;
        bottom: 70px;
        max-height: 65vh;
        border-radius: 15px;
    }

    .chat-modal-header {
        padding: 12px 15px;
    }

    .chat-modal-header h3 {
        font-size: 1rem;
    }

    .chat-messages {
        padding: 12px;
        min-height: 250px;
        max-height: 300px;
    }

    .chat-message-content {
        max-width: 90%;
        padding: 8px 12px;
    }

    .chat-message-content p {
        font-size: 0.9rem;
    }

    .chat-input-area {
        padding: 10px 12px;
    }

    .chat-input-area input {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    .chat-input-area button {
        width: 40px;
        height: 40px;
    }

    .chat-input-area button i {
        font-size: 1rem;
    }
}