/* 全局样式 */
:root {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --transition: all 0.3s ease;
}

/* 启用GPU加速 */
body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    will-change: transform;
    /* 禁用双击缩放 */
    touch-action: manipulation;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    scroll-behavior: smooth;
}

/* 导航栏样式 */
.navbar {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    padding: 15px 0;
    position: relative;
    width: 100%;
}

.navbar .container {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-brand img {
    transition: var(--transition);
    max-width: 50%;
    height: auto;
    display: block;
}

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

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    margin: 0 10px;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: white !important;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    width: 0;
    height: 2px;
    background: white;
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* 主横幅区域 */
.hero-section {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    position: relative;
    overflow: hidden;
    min-height: 100vh;
    padding-bottom: 0;
    margin-bottom: 0;
}

/* 背景动态效果 */
.hero-bg-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-effects::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
                radial-gradient(circle at 70% 70%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    animation: bgFloat 20s ease-in-out infinite;
}

@keyframes bgFloat {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    50% {
        transform: translate(0, 2%) rotate(0.5deg);
    }
}

.hero-bg-effects::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(0deg, rgba(255, 255, 255, 0.08) 0%, transparent 100%);
    pointer-events: none;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    padding: 80px 60px 60px 60px;
    position: relative;
    z-index: 2;
    align-items: center;
}

/* 标题样式 */
.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 40px;
    letter-spacing: 0.02em;
    color: #ffffff;
    text-align: center;
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

/* 描述区域 */
.hero-description {
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    padding: 0;
    border: none;
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

.hero-description p {
    font-size: 1rem;
    line-height: 2;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, 0.85);
    font-weight: 300;
    letter-spacing: 0.02em;
}

.hero-description p:last-child {
    margin-bottom: 0;
}

.hero-description strong {
    color: #ffffff;
    font-weight: 500;
    background: transparent;
    padding: 0;
    border-radius: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    padding-bottom: 2px;
}

/* 描述区域优化 - 移除美化效果 */
.hero-description {
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-radius: 0;
    padding: 0;
    border: none;
    box-shadow: none;
    transition: none;
    animation: none;
    margin-bottom: 0;
}

.hero-description:hover {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    transform: none;
}

.desc-item {
    display: flex;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 18px;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: itemSlideIn 0.5s ease-out both;
}

.desc-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.desc-item:nth-child(1) { animation-delay: 0.7s; }
.desc-item:nth-child(2) { animation-delay: 0.9s; }
.desc-item:nth-child(3) { animation-delay: 1.1s; }
.desc-item:nth-child(4) { animation-delay: 1.3s; }

@keyframes itemSlideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.desc-item:hover {
    transform: translateX(8px);
    border-color: rgba(255, 215, 0, 0.3);
}

.desc-icon {
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 193, 7, 0.2));
    border: 2px solid rgba(255, 215, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: #ffd700;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3),
                inset 0 2px 0 rgba(255, 255, 255, 0.3);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.desc-item:hover .desc-icon {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.4), rgba(255, 193, 7, 0.3));
    border-color: rgba(255, 215, 0, 0.7);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4),
                inset 0 2px 0 rgba(255, 255, 255, 0.4);
    transform: scale(1.1) rotate(5deg);
}

.hero-description p {
    font-size: 1.05rem;
    line-height: 1.9;
    margin-bottom: 0;
    opacity: 0.95;
    font-weight: 400;
    text-align: left;
    color: white;
}

.hero-description strong {
    color: #ffffff;
    font-weight: 600;
    text-shadow: none;
    padding: 0;
    background: transparent;
    border-radius: 0;
    border: none;
    box-shadow: none;
    transition: none;
    display: inline;
    cursor: default;
}

.hero-description strong:hover {
    background: transparent;
    border-color: transparent;
    box-shadow: none;
    transform: none;
}

/* 特性标签 */
.hero-features {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    animation: featuresFadeIn 1.5s ease-out 1.4s both;
}

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

.feature-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.12));
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 2px solid rgba(255, 255, 255, 0.35);
    border-radius: 50px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: chipFadeIn 0.5s ease-out both;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.feature-chip:nth-child(1) { animation-delay: 1.6s; }
.feature-chip:nth-child(2) { animation-delay: 1.8s; }
.feature-chip:nth-child(3) { animation-delay: 2s; }

@keyframes chipFadeIn {
    from {
        opacity: 0;
        transform: scale(0.8) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.feature-chip:hover {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.3), rgba(255, 193, 7, 0.2));
    border-color: rgba(255, 215, 0, 0.6);
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.3);
}

.feature-chip i {
    color: #ffd700;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.feature-chip:hover i {
    transform: scale(1.2) rotate(10deg);
}

.feature-chip span {
    font-size: 0.9rem;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* 图片区域 */
.hero-image {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 80px 60px 60px 40px;
    position: relative;
    z-index: 2;
}

.image-wrapper {
    position: relative;
    display: inline-block;
}

.hero-main-img {
    max-width: 100%;
    max-height: 400px;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: 0;
    box-shadow: none;
    transition: none;
    opacity: 1;
    display: block;
    margin: 0 auto;
}

.hero-main-img:hover {
    transform: none;
    box-shadow: none;
    opacity: 1;
}

/* 平台简介区域 */
.platform-section {
    background: #ffffff;
    position: relative;
    min-height: 100vh;
    overflow: hidden;
    padding-top: 0;
    margin-top: 0;
    padding-bottom: 0;
    margin-bottom: 0;
}

.platform-section .container {
    padding: 60px 0;
}

.platform-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.03), transparent);
    pointer-events: none;
}

.platform-section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    background: linear-gradient(0deg, rgba(118, 75, 162, 0.03), transparent);
    pointer-events: none;
}

.platform-hero {
    position: relative;
    padding-top: 20px;
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image: radial-gradient(circle at 25% 25%, rgba(102, 126, 234, 0.04) 0%, transparent 50%),
                      radial-gradient(circle at 75% 75%, rgba(118, 75, 162, 0.04) 0%, transparent 50%),
                      radial-gradient(circle at 50% 50%, rgba(40, 167, 69, 0.02) 0%, transparent 70%);
    pointer-events: none;
}

.platform-container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 60px 80px;
    position: relative;
    z-index: 1;
    animation: containerFadeIn 1s ease forwards;
}

@keyframes containerFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.platform-header {
    margin-bottom: 50px;
    text-align: center;
    animation: headerFadeIn 1s ease forwards;
}

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

.platform-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: stretch;
}

@media (max-width: 992px) {
    .platform-layout {
        grid-template-columns: 1fr;
    }

    .intro-card {
        height: auto;
        min-height: auto;
    }

    .stats-grid,
    .services-grid,
    .value-list {
        align-items: stretch;
    }
}

.platform-left,
.platform-right {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.platform-header .header-content {
    text-align: center;
}

.platform-section .section-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 60%, #28a745 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    animation: titleFloat 4s ease-in-out infinite;
}

@keyframes titleFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.header-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.deco-line {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.deco-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    animation: dotPulse 2s ease-in-out infinite;
}

.deco-dot:nth-child(2) {
    animation-delay: 0.5s;
}

@keyframes dotPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.3); opacity: 0.6; }
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.btn-primary {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    border: none;
    color: white;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 107, 107, 0.4);
}

.btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.8);
    color: white;
    font-weight: 600;
    padding: 12px 30px;
    border-radius: 50px;
    transition: var(--transition);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-3px);
}

.hero-image img {
    max-width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
    transition: var(--transition);
}

.hero-image img:hover {
    transform: scale(1.05);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

/* 卡片样式 */
.card {
    border: none;
    border-radius: 15px;
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.card-body {
    padding: 2rem;
}

.card-title {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--secondary-color);
    line-height: 1.8;
}

/* 功能特色区域 */
.feature-item {
    padding: 2rem 1.5rem;
    border-radius: 15px;
    background: white;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.feature-item:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    transition: var(--transition);
}

.feature-item:hover .feature-icon {
    transform: scale(1.15) rotate(5deg);
    box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
}

.feature-item h4 {
    color: var(--dark-color);
    font-weight: 700;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    position: relative;
}

.feature-item h4::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 10px auto 0;
    border-radius: 2px;
}

.feature-item p {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 0;
    line-height: 1.8;
    flex-grow: 1;
    text-align: justify;
}

/* 合作案例区域 */
#cases {
    background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    position: relative;
}

#cases::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image: radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.03) 0%, transparent 50%),
                      radial-gradient(circle at 80% 70%, rgba(118, 75, 162, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.case-card {
    border-radius: 20px;
    background: white;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    overflow: hidden;
    height: 100%;
    border: 2px solid rgba(102, 126, 234, 0.08);
    position: relative;
}

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

.case-card:hover {
    transform: translateY(-12px);
    box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.2);
}

.case-card:hover::before {
    opacity: 1;
}

.case-image-wrapper {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    width: 100%;
    height: 280px;
}

.case-image-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.05) 100%);
    pointer-events: none;
}

.case-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: var(--transition);
}

.case-card:hover .case-image-wrapper img {
    transform: scale(1.08);
}

.case-content {
    padding: 2rem;
    text-align: left;
    position: relative;
}

.case-content h4 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
    padding-bottom: 10px;
}

.case-content h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
    transition: var(--transition);
}

.case-card:hover .case-content h4::after {
    width: 80px;
}

.case-content p {
    color: #6c757d;
    line-height: 1.9;
    font-size: 0.95rem;
    margin: 0;
    text-align: justify;
}

/* 合作案例标题样式 */
#cases .display-5 {
    position: relative;
    display: inline-block;
    margin-bottom: 15px;
}

#cases .display-5::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin: 15px auto 0;
    border-radius: 2px;
}

#cases .lead {
    font-size: 1.15rem;
    color: #6c757d;
    margin-top: 10px;
}

#cases h3.fw-bold {
    font-size: 1.8rem;
    color: #2c3e50;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
}

#cases h3.fw-bold::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* 行业图标 */
.industry-item {
    padding: 2.5rem 1.5rem;
    text-align: center;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border: 2px solid rgba(102, 126, 234, 0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    position: relative;
    overflow: hidden;
}

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

.industry-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(118, 75, 162, 0.12));
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
}

.industry-item:hover::before {
    opacity: 1;
}

.industry-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2.2rem;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.industry-item:hover .industry-icon {
    transform: rotate(15deg) scale(1.15);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.industry-item span {
    font-size: 1.05rem;
    font-weight: 600;
    color: #2c3e50;
    position: relative;
    z-index: 1;
}

/* 案例卡片悬停效果增强 */
.case-card:nth-child(1):hover {
    border-color: rgba(102, 126, 234, 0.3);
}

.case-card:nth-child(2):hover {
    border-color: rgba(40, 167, 69, 0.3);
}

.case-card:nth-child(3):hover {
    border-color: rgba(23, 162, 184, 0.3);
}

/* 行业图标变体 */
.industry-item:nth-child(1):hover .industry-icon {
    background: linear-gradient(135deg, #ff6b6b, #ff8e53);
    box-shadow: 0 12px 35px rgba(255, 107, 107, 0.4);
}

.industry-item:nth-child(2):hover .industry-icon {
    background: linear-gradient(135deg, #28a745, #20c997);
    box-shadow: 0 12px 35px rgba(40, 167, 69, 0.4);
}

.industry-item:nth-child(3):hover .industry-icon {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    box-shadow: 0 12px 35px rgba(255, 193, 7, 0.4);
}

.industry-item:nth-child(4):hover .industry-icon {
    background: linear-gradient(135deg, #17a2b8, #138496);
    box-shadow: 0 12px 35px rgba(23, 162, 184, 0.4);
}

.industry-item:nth-child(5):hover .industry-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

/* 服务优势区域 */
.advantage-card {
    padding: 2rem;
    border-radius: 20px;
    background: white;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
    border: 2px solid rgba(102, 126, 234, 0.08);
}

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

.advantage-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.2);
}

.advantage-card:hover::before {
    opacity: 1;
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: white;
    background: linear-gradient(135deg, #667eea, #764ba2);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 12px 30px rgba(102, 126, 234, 0.4);
}

.advantage-icon.cost {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    box-shadow: 0 8px 20px rgba(255, 193, 7, 0.3);
}

.advantage-card:hover .advantage-icon.cost {
    box-shadow: 0 12px 30px rgba(255, 193, 7, 0.4);
}

.advantage-icon.secure {
    background: linear-gradient(135deg, #28a745, #20c997);
    box-shadow: 0 8px 20px rgba(40, 167, 69, 0.3);
}

.advantage-card:hover .advantage-icon.secure {
    box-shadow: 0 12px 30px rgba(40, 167, 69, 0.4);
}

.advantage-icon.data {
    background: linear-gradient(135deg, #17a2b8, #138496);
    box-shadow: 0 8px 20px rgba(23, 162, 184, 0.3);
}

.advantage-card:hover .advantage-icon.data {
    box-shadow: 0 12px 30px rgba(23, 162, 184, 0.4);
}

.advantage-icon.service {
    background: linear-gradient(135deg, #dc3545, #c82333);
    box-shadow: 0 8px 20px rgba(220, 53, 69, 0.3);
}

.advantage-card:hover .advantage-icon.service {
    box-shadow: 0 12px 30px rgba(220, 53, 69, 0.4);
}

.advantage-icon.ecosystem {
    background: linear-gradient(135deg, #6f42c1, #5a32a3);
    box-shadow: 0 8px 20px rgba(111, 66, 193, 0.3);
}

.advantage-card:hover .advantage-icon.ecosystem {
    box-shadow: 0 12px 30px rgba(111, 66, 193, 0.4);
}

.advantage-card h4 {
    text-align: center;
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2c3e50;
}

.advantage-card p {
    text-align: justify;
    color: #6c757d;
    line-height: 1.8;
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
}

.advantage-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.advantage-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: 8px;
    color: #495057;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}

.advantage-list li:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    transform: translateX(8px);
}

.advantage-list li i {
    color: #667eea;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.advantage-card:hover .advantage-list li i {
    color: #764ba2;
}

/* 页脚美化 */
footer {
    background: linear-gradient(135deg, #2c3e50, #34495e);
    color: white;
    position: relative;
    overflow: hidden;
    padding-top: 60px;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.5), transparent);
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="40" fill="none" stroke="rgba(102, 126, 234, 0.03)" stroke-width="0.5"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grain)"/></svg>');
    pointer-events: none;
    opacity: 0.5;
}

footer::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2, #28a745, #17a2b8);
    background-size: 200% 100%;
    animation: gradientMove 8s linear infinite;
}

footer .container {
    position: relative;
    z-index: 1;
    padding: 80px 20px;
}

footer .row {
    margin-bottom: 30px;
}

footer .row > div {
    position: relative;
}

footer h4 {
    color: white;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
    position: relative;
    display: inline-block;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

footer h4:hover {
    transform: translateX(5px);
    color: #667eea;
}

footer h4::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin-top: 12px;
    border-radius: 2px;
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

footer h4:hover::after {
    width: 80px;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
}

footer p {
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.9;
    font-size: 1rem;
}

footer a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

footer a:hover {
    color: white;
    text-decoration: none;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
}

.contact-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    transition: var(--transition);
    border-radius: 12px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
    border: 1px solid rgba(255, 255, 255, 0.12);
    height: auto;
    min-height: 70px;
}

.contact-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
    transform: translateX(8px) scale(1.02);
    border-color: rgba(102, 126, 234, 0.4);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.25);
}

.contact-item i {
    color: #667eea;
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
    transition: var(--transition);
    text-align: center;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
}

.contact-item:hover i {
    transform: scale(1.15) rotate(5deg);
    color: #764ba2;
    background: rgba(118, 75, 162, 0.2);
}

.contact-info {
    display: flex;
    flex-direction: column;
    margin-left: 15px;
    flex: 1;
    justify-content: center;
}

.contact-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.65);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
}

.contact-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    transition: var(--transition);
    line-height: 1.3;
}

.contact-item:hover .contact-value {
    color: white;
    text-shadow: 0 0 12px rgba(102, 126, 234, 0.5);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-header h3 {
    color: white;
    font-weight: 700;
    margin-bottom: 10px;
    font-size: 1.5rem;
    position: relative;
    display: inline-block;
    transition: var(--transition);
}

.contact-header h3:hover {
    transform: translateX(5px);
    color: #667eea;
}

.contact-header h3::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    margin-top: 12px;
    border-radius: 2px;
    transition: var(--transition);
    box-shadow: 0 0 10px rgba(102, 126, 234, 0.3);
}

.contact-header:hover h3::after {
    width: 80px;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
}

.contact-header p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    font-size: 0.9rem;
    margin-bottom: 5px;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
    display: inline-block;
}

.contact-item:hover a {
    color: white;
    text-shadow: 0 0 15px rgba(102, 126, 234, 0.6);
    transform: scale(1.05);
}

/* 二维码卡片区域 */
.qr-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 10px;
    align-items: stretch;
    grid-template-rows: repeat(3, 1fr);
}

.qr-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border: 2px solid rgba(102, 126, 234, 0.2);
    border-radius: 10px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 140px;
}

.qr-item.wechat {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.1), rgba(56, 142, 60, 0.1));
    border-color: rgba(7, 193, 96, 0.25);
}

.qr-item.video {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-color: rgba(102, 126, 234, 0.25);
}

.qr-item.official {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.08), rgba(255, 152, 0, 0.08));
    border-color: rgba(255, 193, 7, 0.25);
}

.qr-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.qr-item.wechat::after {
    background: radial-gradient(circle, rgba(7, 193, 96, 0.1) 0%, transparent 70%);
}

.qr-item.video::after {
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
}

.qr-item.official::after {
    background: radial-gradient(circle, rgba(255, 193, 7, 0.1) 0%, transparent 70%);
}

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

.qr-item.wechat::before {
    background: linear-gradient(90deg, #07c160, #388e3c);
}

.qr-item.video::before {
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.qr-item.official::before {
    background: linear-gradient(90deg, #ffc107, #ff9800);
}

.qr-item:hover {
    transform: translateY(-10px) scale(1.03);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.35);
}

.qr-item.wechat:hover {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.25), rgba(56, 142, 60, 0.25));
    border-color: rgba(7, 193, 96, 0.5);
    box-shadow: 0 20px 50px rgba(7, 193, 96, 0.35);
}

.qr-item.video:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
    border-color: rgba(102, 126, 234, 0.5);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.35);
}

.qr-item.official:hover {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.18), rgba(255, 152, 0, 0.18));
    border-color: rgba(255, 193, 7, 0.5);
    box-shadow: 0 20px 50px rgba(255, 193, 7, 0.35);
}

.qr-item:hover::before {
    opacity: 1;
}

.qr-image {
    width: 75px;
    height: 75px;
    border-radius: 8px;
    overflow: hidden;
    background: white;
    padding: 3px;
    margin-bottom: 4px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.qr-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: var(--transition);
    border-radius: 4px;
}

.qr-item:hover .qr-image img {
    transform: scale(1.08) rotate(5deg);
}

.qr-item:hover .qr-image {
    transform: scale(1.05);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.qr-label {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    font-size: 0.75rem;
    font-weight: 700;
    color: white;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: auto;
}

.qr-item.wechat .qr-label {
    color: #07c160;
}

.qr-item.video .qr-label {
    color: #667eea;
}

.qr-item.official .qr-label {
    color: #ffc107;
}

.qr-item:hover .qr-label {
    transform: translateY(2px);
}

.qr-item.wechat:hover .qr-label {
    color: #07c160;
}

.qr-item.video:hover .qr-label {
    color: #667eea;
}

.qr-item.official:hover .qr-label {
    color: #ffc107;
}

.qr-label i {
    font-size: 1.2rem;
    transition: var(--transition);
}

.qr-item.wechat .qr-label i {
    color: #07c160;
}

.qr-item.video .qr-label i {
    color: #667eea;
}

.qr-item.official .qr-label i {
    color: #ffc107;
}

.qr-item:hover .qr-label i {
    transform: scale(1.2) rotate(10deg);
}

/* 页脚小二维码按钮样式调整 */
footer .qr-download-btn {
    padding: 6px 10px;
    min-width: 70px;
    bottom: -6px;
    right: -6px;
    font-size: 0.7rem;
    border-radius: 16px;
}

footer .qr-download-btn i {
    font-size: 0.75rem;
}

footer .qr-download-btn span {
    font-size: 0.7rem;
}

/* 下载提示框样式 - 全局作用域 */
.qr-download-toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.85);
    color: white;
    padding: 12px 24px;
    border-radius: 25px;
    font-size: 0.9rem;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.qr-download-toast.show {
    opacity: 1;
    visibility: visible;
}

/* 桌面端隐藏下载按钮 */
@media (min-width: 577px) {
    .qr-download-btn {
        display: none !important;
    }
}
.icp-info {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 15px;
    padding: 12px 24px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(118, 75, 162, 0.12));
    border-radius: 50px;
    display: inline-block;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.icp-info:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.25), rgba(118, 75, 162, 0.25));
    transform: translateY(-5px) scale(1.02);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.2);
}

.icp-info a {
    color: rgba(255, 255, 255, 0.85);
    transition: var(--transition);
    font-weight: 500;
}

.icp-info:hover a {
    color: white;
    text-shadow: 0 0 15px rgba(102, 126, 234, 0.6);
}

.icp-info i {
    font-size: 0.85rem;
}

/* 页脚底部区域 */
.footer-bottom {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.8), transparent);
}

.copyright {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 12px;
    font-weight: 500;
}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
}

/* 手机端微信名片分享按钮 */
.mobile-share-card {
    display: none;
}

@media (max-width: 576px) {
    /* 防止页面左右晃动 */
    html, body {
        overflow-x: hidden !important;
        width: 100% !important;
        max-width: 100% !important;
        position: relative;
    }

    /* 手机端隐藏微信分享名片按钮 */
    .mobile-share-card {
        display: none;
    }

    /* 确保导航栏在手机端正确显示 */
    .navbar {
        padding: 4px 10px !important;
        z-index: 9999 !important;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        min-height: 38px !important;
        height: auto !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
    }

    .navbar .container {
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
    }

    .navbar-collapse {
        position: absolute !important;
        right: 10px !important;
        top: 100% !important;
        width: auto !important;
        min-width: 120px !important;
        max-width: 180px !important;
        padding: 0 !important;
        margin: 0 !important;
        background: transparent !important;
        display: block !important;
    }

    .navbar-collapse:not(.show) {
        display: none !important;
    }

    .navbar-collapse.show {
        display: block !important;
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
        padding: 2px 4px !important;
        margin-top: 2px !important;
        border-radius: 4px !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15) !important;
        min-height: auto !important;
        max-height: 55vh !important;
        overflow-y: auto !important;
    }

    /* 确保折叠时有动画 */
    .navbar-collapse.collapsing {
        position: relative !important;
        height: auto !important;
        overflow: hidden !important;
        transition: height 0.35s ease !important;
    }

    .navbar-brand img {
        height: 24px !important;
        display: block !important;
        max-width: 100px !important;
    }

    .navbar-brand {
        color: white !important;
        display: block !important;
    }

    /* 确保导航栏切换按钮可见 */
    .navbar-toggler {
        display: block !important;
        border: 1px solid rgba(255, 255, 255, 0.5);
        padding: 2px 5px !important;
        background: transparent;
        position: relative;
        z-index: 10;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.25rem rgba(255, 255, 255, 0.25);
    }

    .navbar-toggler-icon {
        display: inline-block;
        width: 1.2em;
        height: 1.2em;
        vertical-align: middle;
        background-repeat: no-repeat;
        background-position: center;
        background-size: 100%;
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }

    .navbar-nav {
        gap: 1px !important;
        flex-direction: column;
        padding: 0 !important;
        margin: 0 !important;
    }

    .nav-item {
        width: 100%;
        text-align: center;
        list-style: none !important;
        margin: 0 !important;
    }

    .nav-link {
        color: #ffffff !important;
        padding: 3px 4px !important;
        font-size: 0.8rem !important;
        font-weight: 500 !important;
        text-align: center;
        display: block !important;
        width: 100%;
        text-decoration: none !important;
        opacity: 1 !important;
        visibility: visible !important;
        line-height: 1.1 !important;
    }

    .nav-link:hover {
        background: rgba(255, 255, 255, 0.15) !important;
        border-radius: 3px !important;
        color: #ffffff !important;
    }

    .nav-link:active {
        background: rgba(255, 255, 255, 0.2) !important;
    }

    /* 确保导航链接可见 */
    .nav-link i {
        margin-right: 3px;
        display: inline-block;
        font-size: 0.75rem !important;
    }

    /* 确保hero区域不被导航栏遮挡 */
    .hero-section {
        padding-top: 48px !important;
        padding-bottom: 10px !important;
        min-height: calc(100vh - 38px) !important;
    }
}

/* 背景装饰 */
.bg-light {
    background-color: #f8f9fa !important;
}

.bg-light .container {
    padding: 80px 0;
}

section {
    padding: 60px 0;
}

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #5a6fd8, #6a4190);
}

/* 加载动画 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeInUp 0.8s ease-out;
}

/* 响应式设计 */
@media (max-width: 991px) {
    .qr-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (min-width: 992px) {
    .qr-grid {
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (max-width: 991px) {
    .hero-content {
        padding: 60px 40px 40px 40px;
        text-align: center;
        align-items: center;
    }

    .hero-image {
        padding: 40px;
    }

    .hero-title {
        text-align: center;
        margin-bottom: 40px;
        justify-content: center;
    }

    .hero-description p {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hero-content {
        padding: 50px 30px 30px 30px;
        align-items: center;
    }

    .hero-image {
        padding: 30px 20px;
    }

    .hero-title {
        font-size: 2.2rem;
        margin-bottom: 35px;
        justify-content: center;
    }

    .hero-description p {
        font-size: 0.95rem;
        line-height: 1.9;
        margin-bottom: 20px;
        text-align: center;
    }

    .hero-main-img {
        max-height: 350px;
    }

    .feature-item,
    .case-item {
        margin-bottom: 2rem;
    }

    section {
        padding: 60px 0;
    }

    .display-4 {
        font-size: 2.5rem;
    }

    .display-5 {
        font-size: 2rem;
    }
}

/* 手机端专属优化 */
@media (max-width: 576px) {
    /* 性能优化 - 减少动画和阴影 */
    * {
        will-change: auto;
        transition-property: transform, opacity !important;
    }

    /* 减少不必要的阴影渲染 */
    .hero-section,
    .platform-section,
    .case-card,
    .advantage-card,
    .feature-item,
    .industry-item,
    .qualification-card {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08) !important;
    }

    /* 禁用复杂的伪元素动画 */
    .hero-section::before,
    .hero-section::after,
    .platform-section::before {
        display: none;
    }

    /* 简化过渡效果 */
    .btn,
    .card,
    .navbar {
        transition: transform 0.2s ease, opacity 0.2s ease !important;
    }

    /* 禁用复杂动画以提高性能 */
    .hero-section,
    .platform-section,
    .card-header-glow,
    .certification-badges::before {
        animation: none !important;
    }

    /* 优化滚动性能 */
    body {
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: none;
    }

    .nav-link {
        font-size: 0.95rem;
        padding: 8px 15px !important;
    }

    /* Hero区域优化 - 手机端专属美化 */
    .hero-content {
        padding: 20px 15px 10px 15px;
        align-items: center;
    }

    .hero-image {
        padding: 5px 5px;
    }

    .hero-title {
        font-size: 1.7rem;
        margin-bottom: 8px;
        letter-spacing: 0.01em;
        justify-content: center;
        flex-direction: column;
        text-align: center;
        line-height: 1.3;
        font-weight: 700;
    }

    .hero-title .highlight {
        background: linear-gradient(135deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .hero-description p {
        font-size: 0.88rem;
        line-height: 1.7;
        margin-bottom: 5px;
        text-align: center;
        color: #6c757d;
    }

    .hero-main-img {
        max-height: 160px;
        border-radius: 14px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
        transition: transform 0.4s ease;
    }

    .hero-main-img:hover {
        transform: scale(1.02);
    }

    .hero-section {
        min-height: auto;
        padding: 20px 0 10px 0;
        background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
        position: relative;
        overflow: hidden;
    }

    .hero-section::before {
        content: '';
        position: absolute;
        top: -100px;
        right: -100px;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
        border-radius: 50%;
    }

    .hero-section::after {
        content: '';
        position: absolute;
        bottom: -50px;
        left: -50px;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
        border-radius: 50%;
    }

    .hero-title {
        color: white !important;
    }

    .hero-description p {
        color: rgba(255, 255, 255, 0.9);
    }

    /* 平台简介区域优化 - 手机端专属美化 */
    .platform-section {
        padding: 10px 0 10px 0;
        background: linear-gradient(180deg, #f8f9fa 0%, #e9ecef 100%);
        position: relative;
        overflow: hidden;
    }

    .platform-section::before {
        content: '';
        position: absolute;
        top: -50px;
        right: -50px;
        width: 200px;
        height: 200px;
        background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
        border-radius: 50%;
    }

    .platform-container {
        padding: 10px 10px;
    }

    .platform-layout {
        gap: 10px;
        flex-direction: column;
    }

    .platform-left {
        width: 100%;
    }

    .platform-right {
        width: 100%;
    }

    /* 主卡片优化 */
    .main-intro-card {
        padding: 18px 12px;
        border-radius: 20px;
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        position: relative;
        overflow: visible;
    }

    .main-intro-card::after {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 80px;
        height: 80px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, transparent 100%);
        border-radius: 0 20px 0 100%;
    }

    .main-intro .card-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 12px;
        font-size: 1.4rem;
        background: linear-gradient(135deg, #667eea, #764ba2);
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    }

    .main-intro h3 {
        font-size: 1.15rem;
        margin-bottom: 8px;
        background: linear-gradient(135deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .main-intro p {
        font-size: 0.85rem;
        line-height: 1.6;
        color: #6c757d;
        margin-bottom: 10px;
    }

    .feature-box {
        margin-bottom: 12px;
        gap: 6px;
    }

    .feature-tag {
        padding: 5px 12px;
        margin: 3px;
        font-size: 0.7rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        color: #667eea;
        border: 1px solid rgba(102, 126, 234, 0.2);
        border-radius: 20px;
        font-weight: 500;
    }

    .feature-desc {
        font-size: 0.82rem;
        line-height: 1.5;
        color: #495057;
        font-weight: 500;
    }

    /* 数据统计卡片 */
    .stats-card {
        padding: 16px;
        border-radius: 18px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
        border: 1px solid rgba(102, 126, 234, 0.15);
        overflow: visible;
    }

    .stats-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .stat-item {
        padding: 10px 4px;
        text-align: center;
        background: rgba(255, 255, 255, 0.7);
        border-radius: 12px;
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        min-height: 85px;
        position: relative;
    }

    .stat-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
    }

    .stat-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
        margin: 0 auto 6px;
        background: linear-gradient(135deg, #667eea, #764ba2);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
    }

    .stat-icon i {
        color: white;
    }

    .stat-info {
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        max-width: 100%;
    }

    .stat-number {
        font-size: 1.1rem;
        margin-bottom: 3px;
        font-weight: 700;
        background: linear-gradient(135deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1.1;
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        width: 100%;
        text-align: center;
    }

    .stat-label {
        font-size: 0.65rem;
        color: #6c757d;
        line-height: 1.1;
        word-break: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        width: 100%;
        text-align: center;
        padding: 0 2px;
    }

    /* 核心价值卡片 */
    .value-intro {
        padding: 16px;
        border-radius: 18px;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    }

    .card-header {
        gap: 10px;
        margin-bottom: 15px;
        padding-bottom: 12px;
        border-bottom: 2px solid rgba(102, 126, 234, 0.1);
    }

    .card-header i {
        font-size: 1.2rem;
        padding: 10px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border-radius: 12px;
        color: #667eea;
    }

    .card-header h3 {
        font-size: 1.05rem;
        margin: 0;
        color: #343a40;
    }

    .value-list {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .value-item {
        padding: 12px 14px;
        gap: 12px;
        background: rgba(102, 126, 234, 0.05);
        border-radius: 12px;
        transition: all 0.3s ease;
    }

    .value-item:hover {
        background: rgba(102, 126, 234, 0.1);
        transform: translateX(5px);
    }

    .value-icon.small {
        width: 42px;
        height: 42px;
        min-width: 42px;
        font-size: 1.2rem;
        background: linear-gradient(135deg, #667eea, #764ba2);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .value-icon.small i {
        color: white;
    }

    .value-text h4 {
        font-size: 0.95rem;
        margin: 0 0 4px;
        color: #343a40;
    }

    .value-text p {
        font-size: 0.78rem;
        line-height: 1.4;
        color: #6c757d;
        margin: 0;
    }

    /* 智能服务卡片 */
    .services-intro {
        padding: 16px;
        border-radius: 18px;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .service-card {
        padding: 12px 6px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
        border-radius: 12px;
        text-align: center;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .service-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    }

    .service-card i {
        font-size: 1.4rem;
        margin-bottom: 6px;
        background: linear-gradient(135deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .service-card span {
        font-size: 0.75rem;
        color: #495057;
        font-weight: 500;
    }

    /* 平台端应用卡片优化 - 手机端专属美化 */
    .platform-card {
        border-radius: 20px;
        overflow: hidden;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
        transition: all 0.4s ease;
        position: relative;
    }

    .platform-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 50px rgba(102, 126, 234, 0.2);
    }

    .card-header-glow {
        height: 8px;
        position: relative;
    }

    .card-header-glow.personal {
        background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    }

    .card-header-glow.enterprise {
        background: linear-gradient(90deg, #11998e 0%, #38ef7d 100%);
    }

    .card-content {
        padding: 20px 18px;
        background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    }

    .platform-icon {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
        margin: 0 auto 15px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 2px solid rgba(102, 126, 234, 0.2);
    }

    .platform-card.personal-card .platform-icon {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
        border-color: rgba(102, 126, 234, 0.3);
    }

    .platform-card.personal-card .platform-icon i {
        color: #667eea;
    }

    .platform-card.enterprise-card .platform-icon {
        background: linear-gradient(135deg, rgba(17, 153, 142, 0.15), rgba(56, 239, 125, 0.15));
        border-color: rgba(17, 153, 142, 0.3);
    }

    .platform-card.enterprise-card .platform-icon i {
        color: #11998e;
    }

    .platform-card .card-title {
        font-size: 1.2rem;
        margin-bottom: 8px;
        text-align: center;
        font-weight: 700;
    }

    .platform-card.personal-card .card-title {
        background: linear-gradient(135deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .platform-card.enterprise-card .card-title {
        background: linear-gradient(135deg, #11998e, #38ef7d);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .platform-card .card-subtitle {
        font-size: 0.85rem;
        margin-bottom: 12px;
        line-height: 1.5;
        text-align: center;
        color: #6c757d;
    }

    .feature-list {
        gap: 8px;
        margin-bottom: 15px;
    }

    .feature-item-sm {
        padding: 10px 12px;
        gap: 10px;
        background: rgba(102, 126, 234, 0.05);
        border-radius: 10px;
        transition: all 0.3s ease;
    }

    .feature-item-sm:hover {
        background: rgba(102, 126, 234, 0.1);
        transform: translateX(3px);
    }

    .platform-card.enterprise-card .feature-item-sm {
        background: rgba(17, 153, 142, 0.05);
    }

    .platform-card.enterprise-card .feature-item-sm:hover {
        background: rgba(17, 153, 142, 0.1);
    }

    .feature-item-sm i {
        font-size: 0.95rem;
        color: #667eea;
    }

    .platform-card.enterprise-card .feature-item-sm i {
        color: #11998e;
    }

    .feature-item-sm span {
        font-size: 0.82rem;
        color: #495057;
        font-weight: 500;
    }

    .card-image {
        max-height: 140px;
        margin-bottom: 12px;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    /* 二维码区域优化 */
    .qr-section {
        padding: 12px;
        border-radius: 14px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
        margin-top: 12px;
        border: 1px dashed rgba(102, 126, 234, 0.2);
    }

    .qr-section-title {
        font-size: 0.8rem;
        margin-bottom: 8px;
        color: #667eea;
        font-weight: 600;
        margin-bottom: 10px;
    }

    .qr-code-img {
        width: 90px;
        height: 90px;
        border-radius: 10px;
        padding: 4px;
        background: white;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .qr-image-wrapper {
        position: relative;
        display: inline-block;
    }

    /* 手机端二维码下载按钮 - 右下角带文字说明 */
    .qr-download-btn {
        position: absolute;
        bottom: -8px;
        right: -8px;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        padding: 8px 12px;
        background: linear-gradient(135deg, #667eea, #764ba2);
        border: 2px solid white;
        border-radius: 20px;
        color: white;
        font-size: 0.75rem;
        font-weight: 600;
        cursor: pointer;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
        transition: all 0.3s ease;
        z-index: 10;
        min-width: 80px;
    }

    .qr-download-btn:hover {
        transform: scale(1.08);
        box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
        background: linear-gradient(135deg, #764ba2, #667eea);
    }

    .qr-download-btn:active {
        transform: scale(0.98);
    }

    .qr-download-btn i {
        font-size: 0.85rem;
        pointer-events: none;
    }

    .qr-download-btn span {
        pointer-events: none;
        white-space: nowrap;
    }

    /* 按钮优化 */
    .card-actions .btn {
        padding: 10px 20px;
        font-size: 0.9rem;
        font-weight: 600;
        border-radius: 12px;
        transition: all 0.3s ease;
    }

    .card-actions .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
    }

    /* 微信搜一搜优化 */
    .weixin-search-section {
        padding: 15px;
        border-radius: 16px;
        margin-top: 18px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
        border: 1px solid rgba(102, 126, 234, 0.15);
    }

    .weixin-search-title {
        font-size: 1rem;
        margin-bottom: 10px;
        color: #667eea;
        font-weight: 600;
    }

    .weixin-search-img {
        max-height: 110px;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    /* 功能特色区域优化 - 手机端专属美化 */
    #features {
        padding: 25px 0;
        background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    }

    .feature-item {
        padding: 1.3rem 1rem;
        border-radius: 16px;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    .feature-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: linear-gradient(90deg, #667eea, #764ba2);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .feature-item:hover::before {
        opacity: 1;
    }

    .feature-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 8px 30px rgba(102, 126, 234, 0.15);
    }

    .feature-icon {
        width: 58px;
        height: 58px;
        margin: 0 auto 1.2rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        border: 2px solid rgba(102, 126, 234, 0.15);
        transition: all 0.3s ease;
    }

    .feature-item:hover .feature-icon {
        background: linear-gradient(135deg, #667eea, #764ba2);
        transform: rotate(360deg);
    }

    .feature-item:hover .feature-icon i {
        color: white !important;
    }

    .feature-icon i {
        font-size: 1.6rem;
    }

    .feature-item h4 {
        font-size: 1rem;
        margin-bottom: 0.7rem;
        font-weight: 700;
        color: #343a40;
    }

    .feature-item h4::after {
        width: 35px;
        height: 3px;
        margin: 8px auto 0;
        background: linear-gradient(90deg, #667eea, #764ba2);
    }

    .feature-item p {
        font-size: 0.78rem;
        line-height: 1.6;
        color: #6c757d;
    }

    /* 服务优势区域优化 - 手机端专属美化 */
    #advantages {
        padding: 25px 0;
        background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    }

    .advantage-card {
        padding: 1.3rem;
        border-radius: 18px;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    .advantage-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 4px;
        height: 100%;
        background: linear-gradient(180deg, #667eea, #764ba2);
    }

    .advantage-card:nth-child(2)::before {
        background: linear-gradient(180deg, #11998e, #38ef7d);
    }

    .advantage-card:nth-child(3)::before {
        background: linear-gradient(180deg, #f093fb, #f5576c);
    }

    .advantage-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 35px rgba(102, 126, 234, 0.2);
    }

    .advantage-icon {
        width: 58px;
        height: 58px;
        font-size: 1.8rem;
        margin: 0 auto 1.1rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }

    .advantage-card:hover .advantage-icon {
        background: linear-gradient(135deg, #667eea, #764ba2);
        transform: scale(1.1);
    }

    .advantage-card:hover .advantage-icon i {
        color: white !important;
    }

    .advantage-card:nth-child(2):hover .advantage-icon {
        background: linear-gradient(135deg, #11998e, #38ef7d);
    }

    .advantage-card:nth-child(3):hover .advantage-icon {
        background: linear-gradient(135deg, #f093fb, #f5576c);
    }

    .advantage-card h4 {
        font-size: 1.05rem;
        margin-bottom: 0.7rem;
        font-weight: 700;
        color: #343a40;
    }

    .advantage-card p {
        font-size: 0.78rem;
        line-height: 1.5;
        margin-bottom: 0.9rem;
        color: #6c757d;
    }

    .advantage-list {
        list-style: none;
        padding: 0;
        margin: 0;
    }

    .advantage-list li {
        padding: 6px 10px;
        margin-bottom: 5px;
        font-size: 0.75rem;
        gap: 8px;
        background: rgba(102, 126, 234, 0.05);
        border-radius: 8px;
        transition: all 0.3s ease;
    }

    .advantage-list li:hover {
        background: rgba(102, 126, 234, 0.1);
        transform: translateX(5px);
    }

    .advantage-list li i {
        font-size: 0.85rem;
        color: #667eea;
    }

    /* 合作案例区域优化 - 手机端专属美化 */
    #cases {
        padding: 25px 0;
        background: linear-gradient(180deg, #f8f9fa 0%, #ffffff 100%);
    }

    .case-card {
        border-radius: 18px;
        overflow: hidden;
        background: white;
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
        transition: all 0.4s ease;
    }

    .case-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 35px rgba(102, 126, 234, 0.2);
    }

    .case-image-wrapper {
        height: 140px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        overflow: hidden;
    }

    .case-image-wrapper::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, transparent 50%);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .case-card:hover .case-image-wrapper::before {
        opacity: 1;
    }

    .case-image-wrapper img {
        padding: 12px;
        border-radius: 10px;
        max-height: 120px;
        transition: transform 0.4s ease;
    }

    .case-card:hover .case-image-wrapper img {
        transform: scale(1.05);
    }

    .case-content {
        padding: 1.2rem;
        position: relative;
    }

    .case-content::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 40px;
        height: 3px;
        background: linear-gradient(90deg, #667eea, #764ba2);
        border-radius: 0 0 3px 0;
    }

    .case-content h4 {
        font-size: 1.05rem;
        margin-bottom: 0.6rem;
        font-weight: 700;
        color: #343a40;
    }

    .case-content h4::after {
        width: 35px;
        height: 3px;
        background: linear-gradient(90deg, #667eea, #764ba2);
    }

    .case-content p {
        font-size: 0.78rem;
        line-height: 1.6;
        margin-top: 0.9rem;
        color: #6c757d;
    }

    /* 行业图标优化 - 与电脑端一致 */
    .industry-item {
        padding: 2.5rem 1.5rem;
        text-align: center;
        border-radius: 18px;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
        border: 2px solid rgba(102, 126, 234, 0.1);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 15px;
        position: relative;
        overflow: hidden;
    }

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

    .industry-item:hover {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(118, 75, 162, 0.12));
        border-color: rgba(102, 126, 234, 0.3);
        transform: translateY(-8px) scale(1.05);
        box-shadow: 0 15px 40px rgba(102, 126, 234, 0.25);
    }

    .industry-item:hover::before {
        opacity: 1;
    }

    .industry-icon {
        width: 80px;
        height: 80px;
        border-radius: 50%;
        background: linear-gradient(135deg, #667eea, #764ba2);
        display: flex;
        align-items: center;
        justify-content: center;
        color: white;
        font-size: 2.2rem;
        box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
        transition: var(--transition);
        position: relative;
        z-index: 1;
    }

    .industry-item:hover .industry-icon {
        transform: rotate(15deg) scale(1.15);
        box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
    }

    .industry-item span {
        font-size: 1.05rem;
        font-weight: 600;
        color: #2c3e50;
        position: relative;
        z-index: 1;
    }

    /* 资质证书区域优化 - 手机端专属美化 */
    .qualification-card {
        padding: 1.2rem;
        border-radius: 16px;
        background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
        box-shadow: 0 6px 25px rgba(0, 0, 0, 0.08);
        transition: all 0.4s ease;
        position: relative;
        overflow: hidden;
    }

    .qualification-card::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 60px;
        height: 60px;
        background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
        border-radius: 0 0 0 100%;
    }

    .qualification-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 35px rgba(102, 126, 234, 0.2);
    }

    .qualification-icon {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
        margin-bottom: 0.9rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }

    .qualification-card:hover .qualification-icon {
        background: linear-gradient(135deg, #667eea, #764ba2);
        transform: scale(1.1);
    }

    .qualification-card:hover .qualification-icon i {
        color: white !important;
    }

    .qualification-content h4 {
        font-size: 0.95rem;
        margin-bottom: 0.6rem;
        font-weight: 700;
        color: #343a40;
        line-height: 1.4;
    }

    .license-number {
        font-size: 0.7rem;
        padding: 0.4rem 0.8rem;
        margin-bottom: 0.6rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border: 1px solid rgba(102, 126, 234, 0.2);
        border-radius: 8px;
        font-weight: 600;
        color: #667eea;
        display: inline-block;
    }

    .qualification-desc {
        font-size: 0.76rem;
        line-height: 1.5;
        color: #6c757d;
    }

    .certification-badges {
        gap: 0.5rem;
        flex-wrap: wrap;
        margin-top: 0.8rem;
    }

    .cert-badge {
        padding: 0.4rem 0.8rem;
        font-size: 0.72rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        border: 1px solid rgba(102, 126, 234, 0.2);
        border-radius: 20px;
        color: #667eea;
        font-weight: 500;
        transition: all 0.3s ease;
    }

    .cert-badge:hover {
        background: linear-gradient(135deg, #667eea, #764ba2);
        color: white;
        transform: translateY(-2px);
    }

    .cert-badge i {
        font-size: 0.85rem;
    }

    /* 页脚优化 - 手机端专属美化 */
    footer {
        padding-top: 25px;
        background: linear-gradient(180deg, #2c3e50 0%, #1a252f 100%);
        position: relative;
        overflow: hidden;
    }

    footer::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
        background-size: 200% 100%;
        animation: gradientMove 3s linear infinite;
    }

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

    footer .container {
        padding: 25px 15px;
    }

    footer .col-lg-4 {
        padding: 0 10px;
        margin-bottom: 20px;
    }

    .contact-header h3 {
        font-size: 1.15rem;
        margin-bottom: 8px;
        color: white;
        font-weight: 700;
    }

    .contact-header p {
        font-size: 0.8rem;
        margin-bottom: 12px;
        color: rgba(255, 255, 255, 0.7);
    }

    .contact-item {
        padding: 12px 14px;
        margin-bottom: 8px;
        min-height: 60px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 10px;
        transition: all 0.3s ease;
    }

    .contact-item:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateX(5px);
    }

    .contact-item i {
        width: 32px;
        height: 32px;
        font-size: 1rem;
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.2), rgba(118, 75, 162, 0.2));
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .contact-label {
        font-size: 0.68rem;
        margin-bottom: 3px;
        color: rgba(255, 255, 255, 0.6);
    }

    .contact-value {
        font-size: 0.82rem;
        color: white;
        font-weight: 500;
    }

    .qr-grid {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: 1fr;
        gap: 10px;
    }

    .qr-item {
        padding: 8px;
        min-height: 115px;
        border-radius: 12px;
        background: rgba(255, 255, 255, 0.05);
        transition: all 0.3s ease;
    }

    .qr-item:hover {
        background: rgba(255, 255, 255, 0.1);
        transform: translateY(-3px);
    }

    .qr-item.wechat:hover {
        background: rgba(7, 193, 96, 0.15);
    }

    .qr-item.video:hover {
        background: rgba(118, 75, 162, 0.15);
    }

    .qr-item.official:hover {
        background: rgba(255, 152, 0, 0.15);
    }

    .qr-image {
        width: 52px;
        height: 52px;
        padding: 3px;
        margin-bottom: 6px;
        background: white;
        border-radius: 8px;
    }

    .qr-label {
        font-size: 0.68rem;
        gap: 4px;
        color: white;
        font-weight: 500;
    }

    .qr-label i {
        font-size: 1rem;
    }

    .footer-bottom {
        margin-top: 25px;
        padding-top: 18px;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }

    .copyright {
        font-size: 0.76rem;
        margin-bottom: 10px;
        color: rgba(255, 255, 255, 0.7);
    }

    .icp-info {
        font-size: 0.72rem;
        padding: 10px 15px;
        background: rgba(255, 255, 255, 0.05);
        border-radius: 8px;
        color: rgba(255, 255, 255, 0.6);
        text-align: center;
    }

    .icp-info i {
        font-size: 0.8rem;
    }

    /* 通用section优化 - 手机端专属美化 */
    section {
        padding: 10px 0;
    }

    .display-5 {
        font-size: 1.5rem !important;
        margin-bottom: 12px;
        font-weight: 700;
        background: linear-gradient(135deg, #667eea, #764ba2);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    .lead {
        font-size: 0.88rem;
        color: #6c757d;
        line-height: 1.6;
    }

    .text-muted {
        color: #6c757d !important;
    }

    /* 返回顶部按钮优化 */
    .back-to-top {
        width: 48px;
        height: 48px;
        bottom: 20px;
        right: 15px;
        font-size: 1.1rem;
        background: linear-gradient(135deg, #667eea, #764ba2);
        box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
        border-radius: 50%;
    }

    .back-to-top:hover {
        transform: translateY(-3px);
        box-shadow: 0 6px 25px rgba(102, 126, 234, 0.5);
    }

    /* 导航栏优化 - 手机端专属美化 */
    .navbar {
        padding: 8px 15px;
        background: linear-gradient(135deg, #667eea, #764ba2);
        box-shadow: 0 4px 20px rgba(102, 126, 234, 0.2);
    }

    .navbar-brand img {
        height: 32px;
    }

    .navbar-collapse {
        background: white;
        border-radius: 12px;
        margin-top: 10px;
        padding: 10px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    }

    .nav-link {
        font-size: 0.95rem;
        padding: 10px 15px !important;
        color: #495057;
        border-radius: 8px;
        transition: all 0.3s ease;
        margin-bottom: 5px;
    }

    .nav-link:hover {
        background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
        color: #667eea;
    }

    /* 按钮美化 */
    .btn {
        border-radius: 12px;
        font-weight: 600;
        transition: all 0.3s ease;
    }

    .btn-primary {
        background: linear-gradient(135deg, #667eea, #764ba2);
        border: none;
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    }

    .btn-success {
        background: linear-gradient(135deg, #11998e, #38ef7d);
        border: none;
    }

    .btn-success:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 20px rgba(17, 153, 142, 0.4);
    }
}

/* 平滑滚动效果 */
html {
    scroll-padding-top: 80px;
}

/* 选择文本颜色 */
::selection {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

::-moz-selection {
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
}

/* 合作案例区域优化 */
#cases {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    position: relative;
    overflow: hidden;
}

#cases::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="%23ffffff" fill-opacity="0.03"/></svg>') repeat;
    pointer-events: none;
}

#cases > .container {
    padding: 80px 0;
    position: relative;
    z-index: 1;
}

/* 案例卡片 */
.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    height: 100%;
    border: 2px solid transparent;
}

.case-card:hover {
    transform: translateY(-15px) scale(1.02);
    box-shadow: 0 25px 60px rgba(102, 126, 234, 0.3);
    border-color: linear-gradient(135deg, #667eea, #764ba2);
}

.case-image-wrapper {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    z-index: 1;
}

.case-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 30px;
    position: relative;
    z-index: 2;
    background: white;
    border-radius: 10px;
}

.case-card:hover .case-image-wrapper img {
    transform: scale(1.1) rotate(3deg);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.case-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.2), transparent);
    z-index: 1;
}

.case-content {
    padding: 2.5rem;
    position: relative;
    background: white;
}

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

.case-content h4 {
    color: #2c3e50;
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    position: relative;
    display: inline-block;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.case-content h4::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.case-content p {
    color: #6c757d;
    line-height: 1.9;
    font-size: 0.95rem;
    margin-top: 1.8rem;
    text-align: justify;
}

/* 行业展示优化 - 移除重复定义，使用前面统一样式 */

/* 案例统计展示 */
.case-stats {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 25px;
    padding: 4rem 3rem;
    margin: 4rem 0;
    color: white;
    box-shadow: 0 25px 70px rgba(102, 126, 234, 0.35);
    position: relative;
    overflow: hidden;
}

.case-stats::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.stat-item {
    text-align: center;
    padding: 2rem;
    position: relative;
    z-index: 2;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #f0f0f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.95;
    font-weight: 500;
}

/* 响应式设计优化 */
@media (max-width: 992px) {
    .case-image-wrapper {
        min-height: 250px;
    }

    .case-content {
        padding: 2rem;
    }

    .case-content h4 {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .case-image-wrapper {
        min-height: 180px;
    }

    .case-content {
        padding: 1rem;
    }

    .case-content h4 {
        font-size: 1.1rem;
        margin-bottom: 0.5rem;
    }

    .case-content p {
        font-size: 0.85rem;
        line-height: 1.6;
    }

    .industry-item span {
        font-size: 0.9rem;
    }

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

    .stat-label {
        font-size: 0.9rem;
    }

    .case-stats {
        padding: 1.5rem 1rem;
        margin: 1.5rem 0;
    }
}

@media (max-width: 576px) {
    .case-image-wrapper {
        min-height: 180px;
    }

    .case-image-wrapper img {
        padding: 15px;
    }

    .case-content {
        padding: 1.25rem;
    }
}

@media (max-width: 576px) {
    .case-image-wrapper {
        min-height: 180px;
    }

    .case-image-wrapper img {
        padding: 15px;
    }

    .case-content {
        padding: 1.25rem;
    }

    .industry-item {
        padding: 2rem 1rem;
    }

    .industry-icon {
        width: 60px;
        height: 60px;
    }

    .industry-icon i {
        font-size: 1.5rem;
    }
}

/* 资质证书区域 - 卡片式布局 */
.qualification-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
    border: 2px solid rgba(102, 126, 234, 0.08);
    position: relative;
    overflow: hidden;
}

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

.qualification-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.2);
    border-color: rgba(102, 126, 234, 0.2);
}

.qualification-card:hover::before {
    opacity: 1;
}

.qualification-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.qualification-card:hover .qualification-icon {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.qualification-icon.security {
    background: linear-gradient(135deg, #28a745, #20c997);
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
}

.qualification-card:hover .qualification-icon.security {
    box-shadow: 0 8px 30px rgba(40, 167, 69, 0.4);
}

.qualification-icon.hr {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    box-shadow: 0 5px 20px rgba(255, 193, 7, 0.3);
}

.qualification-card:hover .qualification-icon.hr {
    box-shadow: 0 8px 30px rgba(255, 193, 7, 0.4);
}

.qualification-icon.dispatch {
    background: linear-gradient(135deg, #17a2b8, #138496);
    box-shadow: 0 5px 20px rgba(23, 162, 184, 0.3);
}

.qualification-card:hover .qualification-icon.dispatch {
    box-shadow: 0 8px 30px rgba(23, 162, 184, 0.4);
}

.qualification-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    flex-shrink: 0;
    transition: var(--transition);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.3);
}

.qualification-item:hover .qualification-icon {
    transform: rotate(360deg) scale(1.1);
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
}

.qualification-icon.security {
    background: linear-gradient(135deg, #28a745, #20c997);
    box-shadow: 0 5px 20px rgba(40, 167, 69, 0.3);
}

.qualification-item:hover .qualification-icon.security {
    box-shadow: 0 8px 30px rgba(40, 167, 69, 0.4);
}

.qualification-icon.hr {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    box-shadow: 0 5px 20px rgba(255, 193, 7, 0.3);
}

.qualification-item:hover .qualification-icon.hr {
    box-shadow: 0 8px 30px rgba(255, 193, 7, 0.4);
}

.qualification-icon.dispatch {
    background: linear-gradient(135deg, #17a2b8, #138496);
    box-shadow: 0 5px 20px rgba(23, 162, 184, 0.3);
}

.qualification-item:hover .qualification-icon.dispatch {
    box-shadow: 0 8px 30px rgba(23, 162, 184, 0.4);
}

.qualification-content {
    flex: 1;
}

.qualification-content h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 0.8rem;
    position: relative;
}

.license-number {
    font-size: 1rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 0.8rem;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    padding: 0.5rem 1rem;
    border-radius: 8px;
    display: inline-block;
}

.qualification-desc {
    font-size: 0.95rem;
    color: #6c757d;
    line-height: 1.8;
    margin: 0;
}

/* 资质认证标识 */
.certification-badges {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cert-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
}

.cert-badge:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.4);
}

.cert-badge i {
    font-size: 1.3rem;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .qualification-card {
        padding: 1.8rem;
    }

    .qualification-icon {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }

    .certification-badges {
        gap: 1rem;
    }

    .cert-badge {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }

    .platform-layout {
        grid-template-columns: 1fr;
    }

    .intro-card {
        height: auto;
        min-height: auto;
    }

    .stats-grid,
    .services-grid {
        align-items: stretch;
    }
}

@media (max-width: 768px) {
    .qualification-card {
        padding: 1.5rem;
    }

    .qualification-icon {
        width: 65px;
        height: 65px;
        font-size: 1.8rem;
    }

    .qualification-content h4 {
        font-size: 1.1rem;
    }

    .certification-badges {
        gap: 0.8rem;
    }

    .cert-badge {
        padding: 0.6rem 1.2rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 10px 0;
    }

    .qualification-card {
        padding: 1rem;
    }

    .qualification-icon {
        width: 50px;
        height: 50px;
        font-size: 1.4rem;
    }

    .qualification-content h4 {
        font-size: 0.95rem;
        margin-bottom: 0.5rem;
    }

    .license-number {
        font-size: 0.85rem;
        padding: 0.3rem 0.6rem;
    }

    .qualification-desc {
        font-size: 0.8rem;
        line-height: 1.5;
    }

    .certification-badges {
        gap: 0.5rem;
    }

    .cert-badge {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }

    .cert-badge i {
        font-size: 1rem;
    }

    .platform-section {
        min-height: auto;
    }
}

/* 平台卡片样式 */
.platform-card {
    border-radius: 25px;
    overflow: hidden;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    position: relative;
    background: white;
    animation: fadeInUp 0.8s ease forwards;
}

.platform-card:nth-child(1) { animation-delay: 0.2s; }
.platform-card:nth-child(2) { animation-delay: 0.4s; }

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2);
}

.card-header-glow {
    height: 8px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.card-header-glow::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    100% { left: 100%; }
}

.card-header-glow.personal {
    background: linear-gradient(90deg, #667eea, #764ba2, #667eea);
    background-size: 200% 100%;
    animation: gradientMove 3s linear infinite;
}

.card-header-glow.personal::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.card-header-glow.enterprise {
    background: linear-gradient(90deg, #28a745, #20c997, #28a745);
    background-size: 200% 100%;
    animation: gradientMove 3s linear infinite;
}

.card-header-glow.enterprise::before {
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
}

.card-content {
    padding: 40px;
}

@media (max-width: 768px) {
    .card-content {
        padding: 25px;
    }

    .platform-icon {
        width: 80px;
        height: 80px;
        font-size: 2.5rem;
    }

    .platform-card .card-title {
        font-size: 1.5rem;
    }

    .platform-card .card-subtitle {
        font-size: 1rem;
    }

    .card-image {
        max-height: 250px;
    }
}

@media (max-width: 576px) {
    .card-content {
        padding: 20px;
    }

    .platform-icon {
        width: 70px;
        height: 70px;
        font-size: 2rem;
    }

    .platform-card .card-title {
        font-size: 1.3rem;
    }

    .platform-card .card-subtitle {
        font-size: 0.9rem;
    }

    .card-image {
        max-height: 200px;
    }

    .qr-code-img {
        max-width: 120px;
    }
}

.platform-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    margin: 0 auto;
    transition: var(--transition);
}

.personal-card .platform-icon {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.enterprise-card .platform-icon {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
    box-shadow: 0 10px 30px rgba(40, 167, 69, 0.4);
}

.platform-card:hover .platform-icon {
    transform: rotateY(360deg) scale(1.1);
}

.platform-card .card-title {
    text-align: center;
    font-weight: 700;
    color: #2c3e50;
    font-size: 1.8rem;
    margin-bottom: 15px;
}

@media (max-width: 768px) {
    .platform-card .card-title {
        font-size: 1.5rem;
        margin-bottom: 12px;
    }
}

@media (max-width: 576px) {
    .platform-card .card-title {
        font-size: 1.3rem;
        margin-bottom: 10px;
    }
}

.platform-card .card-subtitle {
    text-align: center;
    color: #6c757d;
    font-size: 1.1rem;
    font-style: italic;
}

@media (max-width: 768px) {
    .platform-card .card-subtitle {
        font-size: 1rem;
    }
}

@media (max-width: 576px) {
    .platform-card .card-subtitle {
        font-size: 0.9rem;
    }
}

.feature-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.feature-item-sm {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: 12px;
    transition: var(--transition);
}

@media (max-width: 576px) {
    .feature-item-sm {
        padding: 10px;
        gap: 10px;
    }

    .feature-item-sm i {
        font-size: 0.9rem;
    }

    .feature-item-sm span {
        font-size: 0.85rem;
    }
}

.personal-card .feature-item-sm:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    transform: translateX(10px);
}

.enterprise-card .feature-item-sm:hover {
    background: linear-gradient(135deg, rgba(40, 167, 69, 0.15), rgba(32, 201, 151, 0.15));
    transform: translateX(10px);
}

.feature-item-sm i {
    font-size: 1.2rem;
    color: #667eea;
}

.enterprise-card .feature-item-sm i {
    color: #28a745;
}

.feature-item-sm span {
    font-weight: 600;
    color: #495057;
    font-size: 1.05rem;
}

.platform-card .card-image {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.platform-card:hover .card-image {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

/* 卡片操作按钮区域 */
.card-actions {
    padding-top: 15px;
}

/* 小程序二维码区域 */
.qr-section {
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border-radius: 15px;
    border: 2px solid rgba(102, 126, 234, 0.1);
    transition: var(--transition);
}

.qr-section:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-color: rgba(102, 126, 234, 0.2);
}

.qr-section-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #667eea;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qr-image-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
}

.qr-code-img {
    width: 180px;
    height: 180px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.qr-section:hover .qr-code-img {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

/* 微信搜一搜区域 */
.weixin-search-section {
    padding: 25px;
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.05), rgba(56, 142, 60, 0.05));
    border-radius: 20px;
    border: 2px solid rgba(7, 193, 96, 0.15);
    margin-top: 30px;
    transition: var(--transition);
}

.weixin-search-section:hover {
    background: linear-gradient(135deg, rgba(7, 193, 96, 0.1), rgba(56, 142, 60, 0.1));
    border-color: rgba(7, 193, 96, 0.25);
    box-shadow: 0 8px 30px rgba(7, 193, 96, 0.2);
}

.weixin-search-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #07c160;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.weixin-search-img {
    max-width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
    max-height: 200px;
}

.weixin-search-section:hover .weixin-search-img {
    transform: scale(1.03);
    box-shadow: 0 10px 30px rgba(7, 193, 96, 0.25);
}

.card-actions .btn {
    border-radius: 50px;
    padding: 12px 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.personal-card .card-actions .btn-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
}

.personal-card .card-actions .btn-primary:hover {
    background: linear-gradient(135deg, #5a6fd8, #6a4190);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
}

.enterprise-card .card-actions .btn-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    border: none;
}

.enterprise-card .card-actions .btn-success:hover {
    background: linear-gradient(135deg, #218838, #1a9e85);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(40, 167, 69, 0.4);
}

.card-actions .btn i {
    transition: transform 0.3s ease;
}

.card-actions .btn:hover i {
    transform: scale(1.2);
}


/* 平台简介卡片样式 */
.platform-intro-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05), rgba(118, 75, 162, 0.05));
    border: 2px solid rgba(102, 126, 234, 0.1);
    transition: var(--transition);
}

.platform-intro-card:hover {
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
}

.platform-intro-card img {
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.platform-intro-card:hover img {
    transform: scale(1.02);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2);
}

.intro-text p {
    font-size: 1.1rem;
    line-height: 2;
    color: #495057;
    margin-bottom: 1.5rem;
}

.intro-text strong {
    font-weight: 700;
    text-shadow: 0 0 1px rgba(0, 0, 0, 0.1);
}

.intro-text h4 {
    position: relative;
    padding-bottom: 15px;
}

.intro-text h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* 区块标题包装器 */
.section-title-wrapper {
    position: relative;
    display: inline-block;
    padding-bottom: 30px;
}

.gradient-title {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 40%, #28a745 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 900;
    font-size: 5rem;
    position: relative;
    display: inline-block;
    animation: titlePulse 4s ease-in-out infinite;
    text-shadow: 0 0 60px rgba(102, 126, 234, 0.3);
}

@keyframes titlePulse {
    0%, 100% { transform: scale(1); filter: brightness(1); }
    50% { transform: scale(1.03); filter: brightness(1.1); }
}

.gradient-title::after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 5px;
    background: linear-gradient(90deg, #667eea, #764ba2, #28a745);
    border-radius: 3px;
    animation: titleLineGrow 1.2s ease forwards;
}

@keyframes titleLineGrow {
    to { width: 200px; }
}

.title-decoration {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 15px;
    justify-content: center;
}

.title-decoration::before,
.title-decoration::after {
    content: '';
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    animation: dotPulse 2.5s ease-in-out infinite;
    box-shadow: 0 0 15px rgba(102, 126, 234, 0.5);
}

.title-decoration::after {
    animation-delay: 0.6s;
}

@keyframes dotPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

/* 平台简介卡片样式 */
.intro-card {
    background: #ffffff;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.06);
    position: relative;
    overflow: hidden;
    animation: cardFadeIn 0.8s ease forwards;
    transform: translateY(30px);
    opacity: 0;
    transition: var(--transition);
    border: 1px solid rgba(102, 126, 234, 0.06);
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
}

@media (max-width: 992px) {
    .intro-card {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .intro-card {
        padding: 25px;
    }
}

@media (max-width: 576px) {
    .intro-card {
        padding: 20px;
    }
}

.intro-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.intro-card:nth-child(1) { animation-delay: 0.1s; }
.intro-card:nth-child(2) { animation-delay: 0.2s; }
.intro-card:nth-child(3) { animation-delay: 0.3s; }
.intro-card:nth-child(4) { animation-delay: 0.4s; }
.intro-card:nth-child(5) { animation-delay: 0.5s; }

@keyframes cardFadeIn {
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.intro-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    opacity: 0;
    transition: var(--transition);
}

.intro-card:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 50px rgba(102, 126, 234, 0.15);
    border-color: rgba(102, 126, 234, 0.15);
}

.intro-card:hover::before {
    opacity: 1;
}

.main-intro .card-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: white;
    animation: iconPulse 3s ease-in-out infinite;
}

@media (max-width: 768px) {
    .main-intro .card-icon {
        width: 60px;
        height: 60px;
        margin: 0 auto 15px;
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .main-intro .card-icon {
        width: 50px;
        height: 50px;
        margin: 0 auto 12px;
        font-size: 1.5rem;
    }
}

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

.main-intro .card-content {
    text-align: center;
}

@media (max-width: 768px) {
    .main-intro .card-content {
        text-align: center;
    }
}

.main-intro h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #2c3e50;
    margin-bottom: 12px;
    text-align: center;
}

@media (max-width: 768px) {
    .main-intro h3 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
}

@media (max-width: 576px) {
    .main-intro h3 {
        font-size: 1.3rem;
        margin-bottom: 8px;
    }
}

.main-intro p {
    font-size: 1rem;
    color: #6c757d;
    line-height: 1.7;
    margin: 0;
    text-align: center;
}

@media (max-width: 768px) {
    .main-intro p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
}

@media (max-width: 576px) {
    .main-intro p {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}

/* 卡片头部 */
.card-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(102, 126, 234, 0.12);
    text-align: center;
}

@media (max-width: 768px) {
    .card-header {
        gap: 15px;
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
}

@media (max-width: 576px) {
    .card-header {
        gap: 12px;
        margin-bottom: 15px;
        padding-bottom: 12px;
    }
}

.card-header i {
    font-size: 1.8rem;
    padding: 14px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.12), rgba(118, 75, 162, 0.12));
    border-radius: 14px;
    color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.15);
    transition: var(--transition);
    margin: 0;
}

@media (max-width: 768px) {
    .card-header i {
        font-size: 1.5rem;
        padding: 12px;
    }
}

@media (max-width: 576px) {
    .card-header i {
        font-size: 1.3rem;
        padding: 10px;
    }
}

.card-header i:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 18px rgba(102, 126, 234, 0.25);
}

.card-header h3 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    letter-spacing: 0.5px;
}

@media (max-width: 768px) {
    .card-header h3 {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .card-header h3 {
        font-size: 1.15rem;
    }
}

/* 功能标签 */
.feature-tag {
    display: inline-block;
    padding: 8px 20px;
    margin: 5px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    transition: var(--transition);
}

@media (max-width: 768px) {
    .feature-tag {
        padding: 6px 15px;
        margin: 4px;
        font-size: 0.85rem;
    }
}

@media (max-width: 576px) {
    .feature-tag {
        padding: 5px 12px;
        margin: 3px;
        font-size: 0.8rem;
    }
}

.feature-tag:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.feature-box {
    text-align: center;
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .feature-box {
        margin-bottom: 15px;
    }
}

@media (max-width: 576px) {
    .feature-box {
        margin-bottom: 12px;
    }
}

.feature-desc {
    text-align: center;
    color: #6c757d;
    line-height: 1.8;
    font-size: 1.05rem;
    margin: 0;
}

@media (max-width: 768px) {
    .feature-desc {
        font-size: 0.95rem;
        line-height: 1.6;
    }
}

@media (max-width: 576px) {
    .feature-desc {
        font-size: 0.85rem;
        line-height: 1.5;
    }
}

/* 统计卡片 */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    align-items: stretch;
}

@media (max-width: 768px) {
    .stats-grid {
        gap: 12px;
    }
}

@media (max-width: 576px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 10px;
    }
}

.stat-item {
    text-align: center;
    padding: 18px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.04), rgba(118, 75, 162, 0.04));
    border-radius: 14px;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.stat-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    transform: translateY(-3px) scale(1.05);
}

.stat-icon {
    width: 45px;
    height: 45px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
}

.stat-number {
    font-size: 2.2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.stat-label {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
    transition: var(--transition);
}

.stat-item:hover .stat-label {
    color: #667eea;
}

/* 价值列表 */
.value-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    padding: 22px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.04), rgba(118, 75, 162, 0.04));
    border-radius: 16px;
    transition: var(--transition);
    height: 100%;
    text-align: center;
    border: 1px solid rgba(102, 126, 234, 0.1);
    box-shadow: 0 4px 20px rgba(102, 126, 234, 0.08);
}

.value-item:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(102, 126, 234, 0.25);
    box-shadow: 0 12px 35px rgba(102, 126, 234, 0.15);
}

.value-icon.small {
    width: 52px;
    height: 52px;
    min-width: 52px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
}

.value-item:hover .value-icon.small {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.value-text h4 {
    margin: 0 0 8px;
    font-size: 1.15rem;
    font-weight: 700;
    color: #2c3e50;
    text-align: center;
    letter-spacing: 0.3px;
}

.value-text p {
    margin: 0;
    font-size: 0.92rem;
    color: #6c757d;
    line-height: 1.7;
    transition: var(--transition);
    text-align: center;
}

.value-item:hover .value-text p {
    color: #495057;
}

/* 服务网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    align-items: stretch;
}

.service-card {
    padding: 20px;
    text-align: center;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.04), rgba(118, 75, 162, 0.04));
    border-radius: 14px;
    transition: var(--transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.service-card:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    transform: translateY(-5px) scale(1.02);
    border-color: rgba(102, 126, 234, 0.15);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.12);
}

.service-card i {
    font-size: 1.6rem;
    color: #667eea;
    margin-bottom: 8px;
    display: block;
    transition: var(--transition);
}

.service-card:hover i {
    transform: scale(1.12);
    color: #764ba2;
}

.service-card span {
    font-size: 0.95rem;
    font-weight: 600;
    color: #2c3e50;
    transition: var(--transition);
}

.service-card:hover span {
    color: #667eea;
    transform: translateY(2px);
}

@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
    .services-grid {
        grid-template-columns: 1fr;
        align-items: stretch;
    }
    .value-item {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
}

.platform-intro-enhanced::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, #667eea, #764ba2, #28a745, #17a2b8, #ffc107, #dc3545);
    background-size: 200% 100%;
    animation: gradientMove 8s linear infinite;
}

.platform-intro-enhanced::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.1); }
}

.platform-intro-enhanced .intro-section:nth-child(2)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(40, 167, 69, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.platform-intro-enhanced .intro-section:nth-child(3)::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, rgba(23, 162, 184, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.intro-header {
    text-align: center;
    position: relative;
    z-index: 1;
    margin-bottom: 50px;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #28a745 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 2.5rem;
    font-weight: 800;
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 2px;
}

.intro-section {
    position: relative;
    z-index: 1;
    margin-bottom: 80px;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    transform: translateY(40px);
}

.intro-section:nth-child(2) { animation-delay: 0.3s; }
.intro-section:nth-child(3) { animation-delay: 0.6s; }
.intro-section:nth-child(4) { animation-delay: 0.9s; }
.intro-section:nth-child(5) { animation-delay: 1.2s; }
.intro-section:nth-child(6) { animation-delay: 1.5s; }
.intro-section:nth-child(6) { animation-delay: 1s; }

.section-title {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-bottom: 30px;
    padding-bottom: 22px;
    border-bottom: 4px solid rgba(102, 126, 234, 0.12);
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100px;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 3px;
}

.section-title i {
    font-size: 2rem;
    padding: 18px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.25);
    transition: var(--transition);
}

.section-title:hover i {
    transform: rotate(15deg) scale(1.15);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.35);
}

.section-title h4 {
    margin: 0;
    color: #2c3e50;
    font-size: 1.6rem;
    font-weight: 800;
}

.intro-text {
    font-size: 1.25rem;
    line-height: 2.3;
    color: #495057;
    padding-left: 60px;
    position: relative;
}

.company-name {
    color: #007bff;
    font-weight: 700;
    padding: 0 8px;
    position: relative;
    display: inline-block;
    transition: var(--transition);
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.1), rgba(0, 123, 255, 0.05));
    border-radius: 6px;
}

.company-name:hover {
    color: #0056b3;
    transform: translateY(-3px) scale(1.05);
    text-shadow: 0 3px 10px rgba(0, 123, 255, 0.4);
    background: linear-gradient(135deg, rgba(0, 123, 255, 0.2), rgba(0, 123, 255, 0.1));
    box-shadow: 0 5px 15px rgba(0, 123, 255, 0.2);
}

.highlight-primary {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
    position: relative;
}

.highlight-success {
    background: linear-gradient(135deg, #28a745, #20c997);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.highlight-info {
    color: #17a2b8;
    font-weight: 700;
    text-decoration: underline;
    text-decoration-style: wavy;
    text-underline-offset: 3px;
}

.highlight-bold {
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

.service-tag {
    display: inline-block;
    padding: 6px 16px;
    margin: 4px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
    transition: var(--transition);
    cursor: default;
}

.service-tag:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

/* 服务网格 */
.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 20px;
    padding-left: 55px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08), rgba(118, 75, 162, 0.08));
    border-radius: 15px;
    transition: var(--transition);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15), rgba(118, 75, 162, 0.15));
    opacity: 0;
    transition: var(--transition);
}

.service-item:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.25);
}

.service-item:hover::before {
    opacity: 1;
}

.service-item i {
    font-size: 1.8rem;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.service-item:hover i {
    transform: scale(1.2) rotate(5deg);
}

.service-item span {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1rem;
    position: relative;
    z-index: 1;
}

/* 价值卡片 */
.value-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
    gap: 25px;
    padding-left: 55px;
}

.value-card {
    padding: 30px;
    border-radius: 18px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
}

.value-card.cost {
    background: linear-gradient(135deg, rgba(255, 193, 7, 0.12), rgba(255, 193, 7, 0.05));
    border: 2px solid rgba(255, 193, 7, 0.25);
}

.value-card.cost::before {
    background: linear-gradient(90deg, #ffc107, #ff9800, #ffc107);
    background-size: 200% 100%;
    animation: gradientMove 4s linear infinite;
}

.value-card.efficiency {
    background: linear-gradient(135deg, rgba(23, 162, 184, 0.12), rgba(23, 162, 184, 0.05));
    border: 2px solid rgba(23, 162, 184, 0.25);
}

.value-card.efficiency::before {
    background: linear-gradient(90deg, #17a2b8, #138496, #17a2b8);
    background-size: 200% 100%;
    animation: gradientMove 4s linear infinite;
}

.value-card.risk {
    background: linear-gradient(135deg, rgba(220, 53, 69, 0.12), rgba(220, 53, 69, 0.05));
    border: 2px solid rgba(220, 53, 69, 0.25);
}

.value-card.risk::before {
    background: linear-gradient(90deg, #dc3545, #c82333, #dc3545);
    background-size: 200% 100%;
    animation: gradientMove 4s linear infinite;
}

.value-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    opacity: 0.3;
}

.value-card.cost::after {
    background: radial-gradient(circle, rgba(255, 193, 7, 0.2) 0%, transparent 70%);
}

.value-card.efficiency::after {
    background: radial-gradient(circle, rgba(23, 162, 184, 0.2) 0%, transparent 70%);
}

.value-card.risk::after {
    background: radial-gradient(circle, rgba(220, 53, 69, 0.2) 0%, transparent 70%);
}

.value-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.value-card.cost:hover {
    box-shadow: 0 15px 40px rgba(255, 193, 7, 0.25);
}

.value-card.efficiency:hover {
    box-shadow: 0 15px 40px rgba(23, 162, 184, 0.25);
}

.value-card.risk:hover {
    box-shadow: 0 15px 40px rgba(220, 53, 69, 0.25);
}

.value-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.value-card.cost .value-icon {
    background: linear-gradient(135deg, #ffc107, #ff9800);
    color: white;
    box-shadow: 0 8px 25px rgba(255, 193, 7, 0.4);
}

.value-card.efficiency .value-icon {
    background: linear-gradient(135deg, #17a2b8, #138496);
    color: white;
    box-shadow: 0 8px 25px rgba(23, 162, 184, 0.4);
}

.value-card.risk .value-icon {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    box-shadow: 0 8px 25px rgba(220, 53, 69, 0.4);
}

.value-card:hover .value-icon {
    transform: rotateY(360deg) scale(1.1);
}

.value-card h5 {
    font-weight: 800;
    margin-bottom: 15px;
    color: #2c3e50;
    font-size: 1.3rem;
    position: relative;
    z-index: 1;
}

.value-card p {
    font-size: 1rem;
    color: #6c757d;
    margin: 0;
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* 结尾文字 */
.intro-conclusion {
    position: relative;
    z-index: 1;
    margin-top: 50px;
}

.conclusion-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: #2c3e50;
    line-height: 2.2;
    padding: 40px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    border-radius: 20px;
    border-left: 6px solid #667eea;
    border-right: 6px solid #764ba2;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.15);
    position: relative;
    overflow: hidden;
}

.conclusion-text::before {
    content: '"';
    position: absolute;
    top: -10px;
    left: 20px;
    font-size: 6rem;
    color: rgba(102, 126, 234, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}

.conclusion-text::after {
    content: '"';
    position: absolute;
    bottom: -40px;
    right: 20px;
    font-size: 6rem;
    color: rgba(118, 75, 162, 0.1);
    font-family: Georgia, serif;
    line-height: 1;
}