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

:root {
    --primary-color: #2BA89E;
    --primary-dark: #1E8A7E;
    --primary-light: #4ECDC4;
    --secondary-color: #5AB88F;
    --accent-color: #F07167;
    --accent-light: #FF8A80;
    --text-color: #1a3a3a;
    --text-light: #5a7a7a;
    --text-muted: #8aa0a0;
    --bg-color: #ffffff;
    --bg-light: #f0f9f7;
    --bg-dark: #1a3a3a;
    --bg-gradient: linear-gradient(135deg, #2BA89E 0%, #5AB88F 50%, #4ECDC4 100%);
    --bg-gradient-alt: linear-gradient(135deg, #1E8A7E 0%, #2BA89E 100%);
    --accent-gradient: linear-gradient(135deg, #F07167 0%, #FF8A80 100%);
    --border-color: #d0e8e4;
    --shadow-sm: 0 1px 2px 0 rgba(43, 168, 158, 0.08);
    --shadow: 0 4px 6px -1px rgba(43, 168, 158, 0.12), 0 2px 4px -1px rgba(43, 168, 158, 0.08);
    --shadow-lg: 0 10px 15px -3px rgba(43, 168, 158, 0.15), 0 4px 6px -2px rgba(43, 168, 158, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(43, 168, 158, 0.18), 0 10px 10px -5px rgba(43, 168, 158, 0.1);
    --radius: 12px;
    --radius-lg: 20px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--bg-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(43, 168, 158, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(43, 168, 158, 0.5);
}

.btn-accent {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(240, 113, 103, 0.4);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(240, 113, 103, 0.5);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

.btn-outline-light {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: white;
}

/* 导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    box-shadow: var(--shadow);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

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

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: 10px;
}

.logo h1 {
    font-size: 1.4rem;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-color);
    padding: 0.5rem 0;
    position: relative;
    font-size: 0.95rem;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--bg-gradient);
    transition: width 0.3s ease;
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* 首页横幅 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0 60px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.shape-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -150px;
    background: radial-gradient(circle, rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.1) 60%, transparent 100%);
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 500px;
    height: 500px;
    bottom: -150px;
    left: -150px;
    background: radial-gradient(circle, rgba(240,113,103,0.4) 0%, rgba(240,113,103,0.1) 60%, transparent 100%);
    animation: float 10s ease-in-out infinite;
    animation-delay: 1s;
}

.shape-3 {
    width: 300px;
    height: 300px;
    top: 35%;
    left: 3%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0.05) 70%, transparent 100%);
    animation: float 7s ease-in-out infinite;
    animation-delay: 2s;
}

.shape-4 {
    width: 200px;
    height: 200px;
    top: 15%;
    right: 15%;
    background: radial-gradient(circle, rgba(240,113,103,0.35) 0%, rgba(240,113,103,0.05) 70%, transparent 100%);
    animation: floatRotate 12s ease-in-out infinite;
}

.shape-5 {
    width: 150px;
    height: 150px;
    bottom: 25%;
    right: 8%;
    background: radial-gradient(circle, rgba(255,255,255,0.35) 0%, rgba(255,255,255,0.05) 70%, transparent 100%);
    animation: floatRotate 9s ease-in-out infinite reverse;
    animation-delay: 3s;
}

.shape-6 {
    width: 250px;
    height: 250px;
    top: 55%;
    left: 55%;
    background: radial-gradient(circle, rgba(78,205,196,0.3) 0%, rgba(78,205,196,0.05) 70%, transparent 100%);
    animation: pulse 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
    }
    25% {
        transform: translateY(-30px) translateX(15px) scale(1.05);
    }
    50% {
        transform: translateY(-50px) translateX(0) scale(1.1);
    }
    75% {
        transform: translateY(-25px) translateX(-15px) scale(1.05);
    }
}

@keyframes floatRotate {
    0%, 100% {
        transform: translateY(0) rotate(0deg) scale(1);
    }
    25% {
        transform: translateY(-40px) rotate(90deg) scale(1.1);
    }
    50% {
        transform: translateY(-20px) rotate(180deg) scale(1);
    }
    75% {
        transform: translateY(-60px) rotate(270deg) scale(1.15);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.8;
    }
}

/* 粒子效果 */
.hero-bg::before,
.hero-bg::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
}

.hero-bg::before {
    background-image:
        radial-gradient(3px 3px at 20% 30%, rgba(255,255,255,0.7) 50%, transparent 50%),
        radial-gradient(4px 4px at 40% 70%, rgba(255,255,255,0.6) 50%, transparent 50%),
        radial-gradient(3px 3px at 60% 20%, rgba(255,255,255,0.8) 50%, transparent 50%),
        radial-gradient(5px 5px at 80% 60%, rgba(240,113,103,0.6) 50%, transparent 50%),
        radial-gradient(3px 3px at 10% 80%, rgba(255,255,255,0.5) 50%, transparent 50%),
        radial-gradient(4px 4px at 70% 40%, rgba(78,205,196,0.6) 50%, transparent 50%),
        radial-gradient(4px 4px at 90% 10%, rgba(255,255,255,0.7) 50%, transparent 50%),
        radial-gradient(3px 3px at 30% 50%, rgba(240,113,103,0.5) 50%, transparent 50%);
    animation: twinkle 5s ease-in-out infinite;
}

.hero-bg::after {
    background-image:
        radial-gradient(3px 3px at 15% 45%, rgba(255,255,255,0.6) 50%, transparent 50%),
        radial-gradient(4px 4px at 55% 85%, rgba(255,255,255,0.7) 50%, transparent 50%),
        radial-gradient(5px 5px at 75% 15%, rgba(78,205,196,0.5) 50%, transparent 50%),
        radial-gradient(3px 3px at 95% 45%, rgba(255,255,255,0.8) 50%, transparent 50%),
        radial-gradient(4px 4px at 25% 95%, rgba(240,113,103,0.5) 50%, transparent 50%),
        radial-gradient(4px 4px at 45% 25%, rgba(255,255,255,0.6) 50%, transparent 50%);
    animation: twinkle 7s ease-in-out infinite reverse;
    animation-delay: 2s;
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.5;
        transform: translateY(0);
    }
    50% {
        opacity: 1;
        transform: translateY(-10px);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-content h2 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.1);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    opacity: 0.95;
    font-weight: 500;
}

.hero-desc {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.85;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
}

.hero-stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: white;
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0%, 100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    50% {
        opacity: 0.3;
        transform: translateX(-50%) translateY(12px);
    }
}

/* 通用标题样式 */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(43, 168, 158, 0.1) 0%, rgba(90, 184, 143, 0.1) 100%);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 700;
}

.section-desc {
    color: var(--text-light);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* 服务项目 */
.services {
    padding: 100px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--bg-gradient);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 1.5rem;
    background: var(--bg-gradient);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: white;
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.service-features {
    margin-bottom: 1.5rem;
}

.service-features li {
    padding: 6px 0;
    color: var(--text-light);
    font-size: 0.9rem;
    position: relative;
    padding-left: 20px;
}

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

.service-link {
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link:hover {
    color: var(--primary-dark);
}

/* 特色服务卡片 - 使用珊瑚红强调色 */
.service-card.featured {
    border: 2px solid var(--accent-color);
    position: relative;
}

.service-card.featured::before {
    background: var(--accent-gradient);
    transform: scaleX(1);
}

.service-card.featured::after {
    content: '热门';
    position: absolute;
    top: 15px;
    right: 15px;
    padding: 4px 12px;
    background: var(--accent-gradient);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 20px;
}

.service-card.featured .service-icon {
    background: var(--accent-gradient);
}

/* 解决方案 */
.solutions {
    padding: 100px 0;
    background: white;
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.solution-card {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s ease;
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.solution-image {
    height: 180px;
    background: var(--bg-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon-large {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.solution-icon-large svg {
    width: 40px;
    height: 40px;
    color: white;
}

.solution-content {
    padding: 2rem;
}

.solution-content h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.solution-content > p {
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.solution-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.solution-list li {
    font-size: 0.85rem;
    color: var(--text-light);
    position: relative;
    padding-left: 16px;
}

.solution-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

/* 核心优势 */
.advantages {
    padding: 100px 0;
    background: var(--bg-dark);
    color: white;
}

.advantages .section-tag {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.advantages .section-title {
    color: white;
}

.advantages .section-desc {
    color: rgba(255, 255, 255, 0.7);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.advantage-card {
    padding: 2.5rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s ease;
}

.advantage-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.advantage-number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
}

.advantage-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.advantage-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

/* 技术栈 */
.tech-stack {
    padding: 100px 0;
    background: var(--bg-light);
}

.tech-categories {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.tech-category {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}

.tech-category h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tech-category h4::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--bg-gradient);
    border-radius: 2px;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tech-tag {
    padding: 8px 16px;
    background: var(--bg-light);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-color);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tech-tag:hover {
    background: var(--bg-gradient);
    color: white;
    border-color: transparent;
}

/* 服务流程 */
.process {
    padding: 100px 0;
    background: white;
}

.process-steps {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 0;
    flex-wrap: wrap;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 180px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--bg-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.step-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.step-content p {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.6;
}

.process-line {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-light) 100%);
    margin-top: 30px;
}

/* 关于我们 */
.about {
    padding: 100px 0;
    background: var(--bg-light);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-left .section-tag {
    margin-bottom: 1.5rem;
}

.about-title {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.about-text {
    color: var(--text-light);
    line-height: 1.9;
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-color);
    font-weight: 500;
}

.about-feature svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

.about-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.about-stat-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

.about-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, rgba(43, 168, 158, 0.1) 0%, rgba(90, 184, 143, 0.1) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.about-stat-card .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--bg-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.about-stat-card .stat-label {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* 合作伙伴 */
.partners {
    padding: 80px 0;
    background: white;
}

.partners-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 2rem;
}

.partner-logo {
    padding: 1.5rem 2.5rem;
    background: var(--bg-light);
    border-radius: var(--radius);
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.partner-logo:hover {
    background: var(--bg-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-3px);
}

/* 联系我们 */
.contact {
    padding: 100px 0;
    background: var(--bg-light);
}

.contact-wrapper {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.contact-info-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.contact-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
}

.contact-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    background: var(--bg-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-icon svg {
    width: 28px;
    height: 28px;
    color: white;
}

.contact-card h4 {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.contact-card p {
    font-size: 1.1rem;
    color: var(--text-color);
    font-weight: 500;
}

.contact-card a:hover {
    color: var(--primary-color);
}

/* 企业微信卡片样式 */
.wechat-card {
    position: relative;
}

.wechat-icon {
    background: linear-gradient(135deg, #07c160 0%, #00a86b 100%) !important;
}

.wechat-qr-wrapper {
    margin-top: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.wechat-qr-wrapper:hover {
    transform: scale(1.02);
}

.wechat-qr-thumb {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.wechat-qr-wrapper:hover .wechat-qr-thumb {
    border-color: var(--primary-color);
    box-shadow: 0 4px 15px rgba(43, 168, 158, 0.3);
}

.qr-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* 二维码弹窗 */
.qr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

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

.qr-modal-content {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    max-width: 350px;
    width: 90%;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.qr-modal-content img {
    width: 100%;
    max-width: 280px;
    border-radius: 8px;
}

.qr-modal-content p {
    margin-top: 1rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.qr-modal-close {
    position: absolute;
    top: -15px;
    right: -15px;
    width: 36px;
    height: 36px;
    background: var(--bg-gradient);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
}

.qr-modal-close:hover {
    transform: scale(1.1) rotate(90deg);
}

.contact-cta {
    background: var(--bg-gradient);
    border-radius: var(--radius-lg);
    padding: 4rem;
    text-align: center;
    color: white;
}

.cta-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.cta-content > p {
    opacity: 0.9;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

/* 页脚 */
.footer {
    background: var(--bg-dark);
    color: white;
    padding-top: 60px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 4rem;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.footer-logo-img {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 8px;
}

.footer-logo h3 {
    font-size: 1.3rem;
}

.footer-brand > p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer-column h4 {
    font-size: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-column h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--bg-gradient);
}

.footer-column ul li {
    margin-bottom: 0.8rem;
}

.footer-column ul li a,
.footer-column ul li {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.footer-column ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-bottom {
    padding: 25px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

.footer-beian {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-beian a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
    transition: color 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.police-badge {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .services-grid,
    .solutions-grid,
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .process-steps {
        flex-wrap: wrap;
        gap: 1rem;
    }

    .process-line {
        display: none;
    }

    .process-step {
        width: calc(33.33% - 1rem);
    }
}

@media (max-width: 992px) {
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .tech-categories {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 1rem;
        gap: 0;
        box-shadow: var(--shadow);
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid var(--border-color);
    }

    .nav-links li:last-child {
        border-bottom: none;
    }

    .nav-links a {
        display: block;
        padding: 1rem;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .hero-content h2 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-stats {
        gap: 2rem;
    }

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

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

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

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

    .services-grid,
    .solutions-grid,
    .advantages-grid,
    .contact-info-cards {
        grid-template-columns: 1fr;
    }

    .process-step {
        width: 100%;
        max-width: 100%;
        flex-direction: row;
        text-align: left;
        gap: 1.5rem;
    }

    .step-number {
        margin-bottom: 0;
        min-width: 60px;
    }

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

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

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .contact-cta {
        padding: 2.5rem 1.5rem;
    }

    .cta-content h3 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero-content h2 {
        font-size: 1.8rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }

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

    .partners-logos {
        flex-direction: column;
    }

    .partner-logo {
        width: 100%;
        text-align: center;
    }

    .cta-buttons {
        flex-direction: column;
    }

    .cta-buttons .btn {
        width: 100%;
    }
}

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

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}