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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

:root {
    --primary-color: #00A9EC;
    --secondary-color: #0088C2;
    --accent-color: #0095D9;
    --text-dark: #1a202c;
    --text-light: #64748b;
    --bg-light: #fafafa;
    --gradient-1: linear-gradient(135deg, #00A9EC 0%, #0088C2 100%);
    --gradient-2: linear-gradient(135deg, #00BFFF 0%, #0095D9 100%);
    --gradient-3: linear-gradient(135deg, #00A9EC 0%, #006B9E 100%);
    --shadow-sm: 0 2px 8px rgba(0, 169, 236, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 169, 236, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 169, 236, 0.15);
    --shadow-xl: 0 20px 60px rgba(0, 169, 236, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    background: #ffffff;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* 顶部信息栏 */
.top-bar {
    background: var(--accent-color);
    color: white;
    padding: 10px 0;
    font-size: 14px;
}

.top-bar .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar a {
    color: white;
    text-decoration: none;
    margin-left: 20px;
    transition: opacity 0.3s;
}

.top-bar a:hover {
    opacity: 0.8;
}

/* 导航栏 */
.navbar {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(196, 30, 58, 0.06);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.95);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 80px;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    position: relative;
    padding-left: 0px;
}
.logo img{
    max-width: 180px;
    margin-top: 15px;
}

/* .logo::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--gradient-1);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(196, 30, 58, 0.3);
} */

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

.nav-menu a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-1);
    transition: all 0.3s;
    transform: translateX(-50%);
}

.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a:hover::after {
    width: 100%;
}

.contact-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: 700;
    padding: 10px 20px;
    border-radius: 5px;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.05) 0%, rgba(0, 136, 194, 0.03) 100%);
    border: 1px solid rgba(0, 169, 236, 0.15);
    transition: all 0.3s;
}

.contact-phone:hover {
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.1) 0%, rgba(0, 136, 194, 0.06) 100%);
    transform: scale(1.05);
}

.contact-phone i {
    font-size: 20px;
    animation: phoneRing 2s ease-in-out infinite;
}

@keyframes phoneRing {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-15deg); }
    20%, 40% { transform: rotate(15deg); }
    50% { transform: rotate(0deg); }
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.95) 0%, rgba(0, 136, 194, 0.95) 100%),
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23f0f0f0" width="1200" height="600"/><g opacity="0.1"><circle cx="100" cy="100" r="80" fill="%2300A9EC"/><circle cx="600" cy="300" r="120" fill="%230088C2"/><circle cx="1000" cy="200" r="100" fill="%2300BFFF"/></g></svg>');
    background-size: cover;
    background-position: center;
    padding: 120px 20px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    top: -100px;
    right: -100px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(180deg); }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 52px;
    margin-bottom: 24px;
    font-weight: 800;
    line-height: 1.25;
    animation: fadeInUp 0.8s ease-out;
    letter-spacing: -1px;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.hero p {
    font-size: 21px;
    margin-bottom: 45px;
    opacity: 0.96;
    animation: fadeInUp 0.8s ease-out 0.2s both;
    font-weight: 400;
    line-height: 1.6;
    letter-spacing: 0.3px;
}

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

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
    padding: 16px 42px;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.3px;
}

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

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

.btn i {
    transition: transform 0.4s;
}

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

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 45px rgba(0,0,0,0.3);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.3);
}

/* Section Styles */
.section {
    padding: 100px 20px;
    position: relative;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-1);
    border-radius: 2px;
    opacity: 0.3;
}

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

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 10px 24px;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.08) 0%, rgba(0, 136, 194, 0.05) 100%);
    color: var(--primary-color);
    border-radius: 5px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2.5px;
    margin-bottom: 20px;
    text-transform: uppercase;
    border: 1px solid rgba(0, 169, 236, 0.15);
    position: relative;
    overflow: hidden;
}

.section-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--text-dark);
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 18px;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
    font-weight: 400;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: white;
    padding: 45px 35px;
    text-align: center;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 169, 236, 0.08);
}

/* .service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
} */

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.02) 0%, rgba(0, 136, 194, 0.01) 100%);
    opacity: 0;
    transition: opacity 0.5s;
    z-index: 0;
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 169, 236, 0.15);
    border:1px solid #00A9EC;
}

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

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

.service-card > * {
    position: relative;
    z-index: 1;
}

.service-card:nth-child(2)::before {
    background: var(--gradient-2);
}

.service-card:nth-child(3)::before {
    background: var(--gradient-3);
}

.service-card:nth-child(4)::before {
    background: var(--gradient-1);
}

.service-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 30px;
    background: var(--gradient-1);
    border-radius: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 38px;
    color: white;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 24px rgba(0, 169, 236, 0.25);
    position: relative;
}

.service-icon::before {
    content: '';
    position: absolute;
    inset: -3px;
    background: var(--gradient-1);
    border-radius: 5px;
    opacity: 0;
    filter: blur(10px);
    transition: opacity 0.5s;
    z-index: -1;
}

.service-card:nth-child(2) .service-icon {
    background: var(--gradient-2);
}

.service-card:nth-child(3) .service-icon {
    background: var(--gradient-3);
}

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

.service-card:hover .service-icon::before {
    opacity: 0.6;
}

.service-card h3 {
    font-size: 22px;
    margin-bottom: 18px;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.9;
    font-size: 15px;
    font-weight: 400;
}

/* APP Introduction Section */
.app-intro-section {
    background: white;
}

.app-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.app-intro-left {
    display: flex;
    flex-direction: column;
}

.app-feature-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.app-feature-item {
    display: flex;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 5px;
    border: 1px solid rgba(0, 169, 236, 0.1);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.app-feature-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 169, 236, 0.3);
}

.app-feature-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    transition: all 0.3s;
}

.app-feature-item:hover .app-feature-icon {
    transform: scale(1.1) rotate(5deg);
}

.app-feature-text h3 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.app-feature-text p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

.app-intro-right {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.app-types h3,
.app-process h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-weight: 700;
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.app-type-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.app-type-card {
    text-align: center;
    padding: 25px 15px;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.05) 0%, rgba(0, 136, 194, 0.02) 100%);
    border-radius: 5px;
    border: 1px solid rgba(0, 169, 236, 0.1);
    transition: all 0.3s;
}

.app-type-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 169, 236, 0.3);
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.1) 0%, rgba(0, 136, 194, 0.05) 100%);
}

.app-type-card i {
    font-size: 36px;
    color: var(--primary-color);
    margin-bottom: 12px;
    display: block;
}

.app-type-card h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.app-type-card p {
    font-size: 13px;
    color: var(--text-light);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    gap: 15px;
}

.process-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.process-step:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -15px;
    top: 20px;
    color: var(--primary-color);
    font-size: 20px;
    font-weight: bold;
}

.step-number {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
    margin: 0 auto 15px;
    box-shadow: 0 4px 15px rgba(0, 169, 236, 0.3);
    transition: all 0.3s;
}

.process-step:hover .step-number {
    transform: scale(1.15);
    box-shadow: 0 6px 20px rgba(0, 169, 236, 0.4);
}

.step-info h4 {
    font-size: 16px;
    color: var(--text-dark);
    margin-bottom: 5px;
    font-weight: 700;
}

.step-info p {
    font-size: 13px;
    color: var(--text-light);
}

/* Website Introduction Section */
.website-intro-section {
    background: var(--bg-light);
}

.website-intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
    align-items: start;
}

.website-showcase {
    background: white;
    padding: 40px;
    border-radius: 5px;
    box-shadow: var(--shadow-md);
}

.website-mockup {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 30px;
}

.mockup-header {
    background: #e8eaed;
    padding: 12px 15px;
    border-bottom: 1px solid #d1d5db;
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e0;
}

.mockup-dots span:nth-child(1) {
    background: #ff5f56;
}

.mockup-dots span:nth-child(2) {
    background: #ffbd2e;
}

.mockup-dots span:nth-child(3) {
    background: #27c93f;
}

.mockup-content {
    padding: 60px 30px;
    text-align: center;
    background: white;
}

.mockup-content i {
    font-size: 64px;
    color: var(--primary-color);
    margin-bottom: 20px;
    display: block;
}

.mockup-content h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.mockup-content p {
    color: var(--text-light);
    font-size: 14px;
}

.website-features-quick {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
}

.quick-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 15px;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.05) 0%, rgba(0, 136, 194, 0.02) 100%);
    border-radius: 8px;
    border: 1px solid rgba(0, 169, 236, 0.1);
    transition: all 0.3s;
}

.quick-feature:hover {
    transform: translateX(5px);
    border-color: rgba(0, 169, 236, 0.3);
}

.quick-feature i {
    color: var(--primary-color);
    font-size: 18px;
}

.quick-feature span {
    font-size: 14px;
    color: var(--text-dark);
    font-weight: 600;
}

.website-types-list h3,
.website-advantages h3 {
    font-size: 22px;
    color: var(--text-dark);
    margin-bottom: 25px;
    font-weight: 700;
    padding-left: 15px;
    border-left: 4px solid var(--primary-color);
}

.website-type-items {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 40px;
}

.website-type-item {
    display: flex;
    gap: 20px;
    padding: 20px;
    background: white;
    border-radius: 5px;
    border: 1px solid rgba(0, 169, 236, 0.1);
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.website-type-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 169, 236, 0.3);
}

.website-type-icon {
    width: 55px;
    height: 55px;
    min-width: 55px;
    background: var(--gradient-1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: white;
    transition: all 0.3s;
}

.website-type-item:hover .website-type-icon {
    transform: scale(1.1) rotate(5deg);
}

.website-type-info h4 {
    font-size: 17px;
    color: var(--text-dark);
    margin-bottom: 6px;
    font-weight: 700;
}

.website-type-info p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.8;
}

.advantage-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.advantage-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--gradient-1);
    color: white;
    border-radius: 5px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 4px 12px rgba(0, 169, 236, 0.2);
}

.advantage-tag:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 169, 236, 0.3);
}

.advantage-tag i {
    font-size: 14px;
}

/* Miniprogram Introduction Section */
.miniprogram-intro-section {
    background: white;
}

.miniprogram-intro-content {
    margin-top: 60px;
}

.miniprogram-platforms,
.miniprogram-features,
.miniprogram-cases {
    margin-bottom: 50px;
}

.miniprogram-platforms h3,
.miniprogram-features h3,
.miniprogram-cases h3 {
    font-size: 26px;
    color: var(--text-dark);
    margin-bottom: 30px;
    font-weight: 700;
    text-align: center;
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.platform-card {
    background: white;
    padding: 30px 20px;
    border-radius: 5px;
    border: 2px solid rgba(0, 169, 236, 0.1);
    text-align: center;
    transition: all 0.4s;
    box-shadow: var(--shadow-sm);
}

.platform-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 169, 236, 0.3);
}

.platform-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: white;
    transition: all 0.4s;
}

.platform-icon.wechat {
    background: linear-gradient(135deg, #09bb07 0%, #07c160 100%);
    box-shadow: 0 6px 20px rgba(9, 187, 7, 0.3);
}

.platform-icon.alipay {
    background: linear-gradient(135deg, #1677ff 0%, #0958d9 100%);
    box-shadow: 0 6px 20px rgba(22, 119, 255, 0.3);
}

.platform-icon.douyin {
    background: linear-gradient(135deg, #fe2c55 0%, #ff0050 100%);
    box-shadow: 0 6px 20px rgba(254, 44, 85, 0.3);
}

.platform-icon.baidu {
    background: linear-gradient(135deg, #2932e1 0%, #1e28c9 100%);
    box-shadow: 0 6px 20px rgba(41, 50, 225, 0.3);
}

.platform-card:hover .platform-icon {
    transform: scale(1.15) rotate(360deg);
}

.platform-card h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 8px;
    font-weight: 700;
}

.platform-card > p {
    color: var(--primary-color);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 15px;
}

.platform-card ul {
    list-style: none;
    text-align: left;
}

.platform-card ul li {
    font-size: 13px;
    color: var(--text-light);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.platform-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.miniprogram-feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.mini-feature-card {
    background: white;
    padding: 30px 25px;
    border-radius: 5px;
    border: 1px solid rgba(0, 169, 236, 0.1);
    text-align: center;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

.mini-feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 169, 236, 0.3);
}

.mini-feature-icon {
    width: 65px;
    height: 65px;
    margin: 0 auto 20px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    transition: all 0.3s;
    box-shadow: 0 6px 20px rgba(0, 169, 236, 0.25);
}

.mini-feature-card:hover .mini-feature-icon {
    transform: scale(1.1);
    box-shadow: 0 8px 28px rgba(0, 169, 236, 0.35);
}

.mini-feature-card h4 {
    font-size: 17px;
    color: var(--text-dark);
    margin-bottom: 10px;
    font-weight: 700;
}

.mini-feature-card p {
    font-size: 13px;
    color: var(--text-light);
    line-height: 1.8;
}

.case-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
}

.case-tag {
    padding: 12px 28px;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.08) 0%, rgba(0, 136, 194, 0.05) 100%);
    border: 1px solid rgba(0, 169, 236, 0.2);
    border-radius: 5px;
    color: var(--primary-color);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s;
}

.case-tag:hover {
    background: var(--gradient-1);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 169, 236, 0.3);
}

/* Features Section */
.features-section {
    background: var(--bg-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 38px 28px;
    background: white;
    border-radius: 5px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 169, 236, 0.06);
    box-shadow: var(--shadow-sm);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 169, 236, 0.12);
}

.feature-icon {
    width: 75px;
    height: 75px;
    margin: 0 auto 24px;
    background: var(--gradient-1);
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: white;
    box-shadow: 0 6px 20px rgba(0, 169, 236, 0.2);
    transition: all 0.4s;
}

.feature-item:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 8px 28px rgba(0, 169, 236, 0.3);
}

.feature-item:nth-child(even) .feature-icon {
    background: var(--gradient-2);
}

.feature-item h3 {
    font-size: 19px;
    margin-bottom: 12px;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.2px;
}

.feature-item p {
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
    font-weight: 400;
}

/* Why Choose Us */
.why-choose-section {
    background: var(--gradient-1);
    color: white;
}

.why-choose-section .section-title,
.why-choose-section .section-subtitle {
    color: white;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 35px;
    margin-top: 60px;
}

.advantage-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(12px);
    padding: 40px 30px;
    border-radius: 5px;
    border: 1px solid rgba(255,255,255,0.25);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.advantage-card:hover {
    background: rgba(255,255,255,0.18);
    transform: translateY(-8px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-color: rgba(255,255,255,0.4);
}

.advantage-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.advantage-card h3 i {
    font-size: 20px;
    margin-right: 5px;
}

.advantage-card p {
    opacity: 0.9;
    line-height: 1.7;
    font-size: 15px;
}

/* Cases Section */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.case-card {
    background: white;
    border-radius: 5px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid rgba(0, 169, 236, 0.06);
    display: block;
    text-decoration: none;
    color: inherit;
}

.case-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 169, 236, 0.12);
}

.case-image {
    width: 100%;
    height: 200px;
    background: var(--gradient-1);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-card:nth-child(2n) .case-image {
    background: var(--gradient-2);
}

.case-card:nth-child(3n) .case-image {
    background: var(--gradient-3);
}

.case-info {
    padding: 28px;
    background: linear-gradient(to bottom, #ffffff 0%, #fafafa 100%);
}

.case-info h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--text-dark);
    font-weight: 700;
    letter-spacing: -0.2px;
}

.case-info p {
    color: var(--text-light);
    font-size: 14px;
    font-weight: 400;
}

.view-more-btn {
    text-align: center;
    margin-top: 50px;
}

/* News Section */
.news-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.news-column h3 {
    font-size: 24px;
    margin-bottom: 25px;
    color: var(--text-dark);
    padding-bottom: 15px;
    border-bottom: 3px solid var(--primary-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.news-column h3 span {
    font-size: 14px;
    color: #999;
    font-weight: normal;
}

.news-list {
    list-style: none;
}

.news-item {
    padding: 18px 15px;
    border-bottom: 1px solid rgba(0, 169, 236, 0.08);
    transition: all 0.3s;
    border-radius: 8px;
    margin-bottom: 4px;
}

.news-item:hover {
    padding-left: 20px;
    background: linear-gradient(90deg, rgba(0, 169, 236, 0.03) 0%, transparent 100%);
    border-bottom-color: rgba(0, 169, 236, 0.15);
}

.news-item a {
    color: var(--text-dark);
    text-decoration: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.news-item a:hover {
    color: var(--primary-color);
}

.news-title {
    flex: 1;
    font-size: 15px;
}

.news-date {
    color: var(--text-light);
    font-size: 13px;
    white-space: nowrap;
}

/* CTA Section */
.cta-section {
    background: var(--gradient-1);
    color: white;
    text-align: center;
    padding: 80px 20px;
}

.cta-section h2 {
    font-size: 38px;
    margin-bottom: 20px;
}

.cta-section p {
    font-size: 18px;
    margin-bottom: 40px;
    opacity: 0.95;
}

/* Footer */
.footer {
    background: #1a202c;
    color: #a0aec0;
    padding: 60px 20px 30px;
}

.footer-content {
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
    margin-bottom: 40px;
}
.footer-section{
    text-align: left;
}

.footer-section h3 {
    color: white;
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

.footer-section ul li {
    margin-bottom: 12px;
}

.footer-section ul li i {
    margin-right: 8px;
    width: 16px;
    text-align: center;
}

.footer-section a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 14px;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 30px;
    border-top: 1px solid #2d3748;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    text-align: center;
}

.footer-bottom p {
    font-size: 14px;
    margin: 0;
    
}

.footer-bottom p a{
    text-decoration: none;
}

.back-to-top {
    position: fixed;
    bottom: 35px;
    right: 35px;
    width: 56px;
    height: 56px;
    background: var(--gradient-1);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    border: 3px solid rgba(255, 255, 255, 0.3);
}

.back-to-top::before {
    content: '';
    position: absolute;
    inset: -5px;
    background: var(--gradient-1);
    border-radius: 50%;
    opacity: 0;
    filter: blur(15px);
    transition: opacity 0.4s;
    z-index: -1;
}

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

.back-to-top:hover {
    transform: translateY(-8px) rotate(360deg);
    box-shadow: var(--shadow-xl);
}

.back-to-top:hover::before {
    opacity: 0.7;
}

.back-to-top:active {
    transform: translateY(-8px) rotate(360deg) scale(0.95);
}

/* Animation */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    .app-intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .website-intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

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

    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }

    .hero h1 {
        font-size: 32px;
    }

    .hero p {
        font-size: 16px;
    }

    .section-title {
        font-size: 32px;
    }

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

    .app-intro-content {
        grid-template-columns: 1fr;
    }

    .app-type-grid {
        grid-template-columns: 1fr;
    }

    .process-steps {
        flex-wrap: wrap;
    }

    .process-step {
        flex-basis: calc(50% - 10px);
    }

    .process-step:nth-child(2)::after {
        display: none;
    }

    .website-intro-content {
        grid-template-columns: 1fr;
    }

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

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

    .miniprogram-feature-grid {
        grid-template-columns: 1fr;
    }

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

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

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 480px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* 右侧悬浮客服 */
.side-contact-fixed {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
}

.side-contact-card {
    width: 200px;
    background: white;
    border-radius: 12px 0 0 12px;
    box-shadow: -6px 0 30px rgba(0, 0, 0, 0.15);
    padding: 20px;
    border: 1px solid var(--primary-color);
}

.side-qrcode {
    text-align: center;
    margin-bottom: 25px;
    padding-bottom: 25px;
    border-bottom: 1px solid #eee;
}

.side-qrcode img {
    width: 160px;
    height: 160px;
    border: 2px solid rgba(0, 169, 236, 0.2);
    border-radius: 8px;
    padding: 8px;
    background: white;
    box-shadow: 0 4px 15px rgba(0, 169, 236, 0.1);
    transition: all 0.3s;
}

.side-qrcode img:hover {
    border-color: rgba(0, 169, 236, 0.4);
    box-shadow: 0 6px 20px rgba(0, 169, 236, 0.2);
    transform: scale(1.05);
}

.side-qrcode p {
    margin: 12px 0 0 0;
    font-size: 13px;
    color: #666;
}

.side-phone {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.05) 0%, rgba(0, 136, 194, 0.03) 100%);
    border-radius: 8px;
    border: 1px solid rgba(0, 169, 236, 0.1);
    transition: all 0.3s;
}

.side-phone:hover {
    background: linear-gradient(135deg, rgba(0, 169, 236, 0.1) 0%, rgba(0, 136, 194, 0.06) 100%);
    border-color: rgba(0, 169, 236, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 169, 236, 0.15);
}

.side-phone i {
    font-size: 28px;
    color: var(--primary-color);
}

.side-phone-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.side-phone-label {
    font-size: 12px;
    color: #999;
}

.side-phone-number {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s;
}

.side-phone-number:hover {
    color: var(--secondary-color);
}

/* 响应式 */
@media (max-width: 768px) {
    .side-contact-card {
        width: 180px;
        padding: 15px;
    }
    
    .side-qrcode img {
        width: 120px;
        height: 120px;
    }
    
    .side-phone-number {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .side-contact-fixed {
        display: none;
    }
}