@charset "UTF-8";
/* 全局变量定义 */
:root {
    --bg-body: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --text-main: #1E293B;
    --text-secondary: #64748B;
    --text-light: #FFFFFF;
    
    --primary-blue: #0066CC;
    --accent-blue: #3B82F6;
    --accent-cyan: #06B6D4;
    --accent-green: #10B981;
    --accent-purple: #8B5CF6;
    
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(110, 144, 176, 0.24), 0 4px 6px -2px rgba(110, 144, 176, 0.24);
    --shadow-lg: 0 20px 25px -5px rgba(110, 144, 176, 0.25), 0 10px 10px -5px rgba(110, 144, 176, 0.24);
    --glow: 0 0 20px rgba(59, 130, 246, 0.3);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
}

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    overflow-x: hidden;
    line-height: 1.75;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 1.2rem 0;
    position: relative;
}

/* 粒子背景 - 纯CSS实现 */
.particles-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    overflow: hidden;
}

.particle {
    position: absolute;
    background-color: rgba(66, 133, 244, 0.3);
    border-radius: 50%;
    animation: float 20s infinite linear;
}

@keyframes float {
    0% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-50px) translateX(50px); }
    50% { transform: translateY(0) translateX(100px); }
    75% { transform: translateY(50px) translateX(50px); }
    100% { transform: translateY(0) translateX(0); }
}

/* 导航栏 */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    /* gap: 12px; */
    font-weight: 800;
    font-size: 1.65rem;
    text-decoration: none;
    color: var(--text-main);
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    color: white;
}

.logo-text span {
    color: #f06e0c;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
    font-size: 0.95rem;
}

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

.nav-links a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-cyan));
    transition: width 0.3s;
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.3s, box-shadow 0.3s;
}

.nav-cta:hover {
    transform: translateY(-3px);
    box-shadow: var(--glow);
}

.mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-main);
}

/* 视觉焦点区 */
.hero {
    padding-top: 160px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.75) 0%, rgba(255, 255, 255, 0.75) 50%, rgba(255, 255, 255, 0.3) 100%);
    z-index: 2;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(1);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 10;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 700px;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.2rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
    background: rgba(0, 102, 204, 0.05);
    transform: translateY(-5px);
}

.btn-outline {
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    background: transparent;
    color: var(--primary-blue);
    border: 1px solid var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.bg-secondary {
    background-color: var(--bg-secondary);
}

.hero-stats {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* 玻璃卡片 */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.4s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
	border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03), rgba(0, 0, 0, 0.03));
    z-index: -1;
}

.glass-card:hover {
    border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* 服务网格 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.service-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    box-shadow: var(--shadow-md);
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.service-image {
    height: 200px;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.service-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 102, 204, 0.4) 100%);
    z-index: 1;
}

.service-icon {
    position: absolute;
    bottom: 20px;
    left: 25px;
    width: 60px;
    height: 60px;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    z-index: 2;
}

.service-content {
    padding: 1rem;
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-desc {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.service-features {
    list-style: none;
}

.service-features li {
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.service-features li i {
    color: var(--primary-blue);
    font-size: 0.9rem;
}

/* Feature Grid for Product Pages */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-box {
    background: var(--bg-body);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.feature-box:hover {
    transform: translateY(-5px);
    border-color: var(--accent-cyan);
    box-shadow: var(--shadow-md);
}

.feature-icon-large {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1.5rem;
    background: rgba(0, 102, 204, 0.1);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    margin-right: auto;
}

.feature-box h3 {
    margin-bottom: 1rem;
    color: var(--text-main);
}

.feature-box p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Process Steps */
.process-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    margin-top: 1rem;
    position: relative;
}

.process-step {
    flex: 1;
    text-align: center;
    min-width: 150px;
    position: relative;
    z-index: 2;
}

.process-step-icon {
    width: 70px;
    height: 70px;
    background: white;
    border: 2px solid var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-blue);
    margin: 0 auto 1rem;
    transition: all 0.3s ease;
}

.process-step:hover .process-step-icon {
    background: var(--primary-blue);
    color: white;
    box-shadow: var(--glow);
}

.process-step h4 {
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.process-step p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* 案例展示 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
	margin-bottom: 1.5rem;
}

.case-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-md);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s ease;
    height: 100%;
}

.case-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 102, 204, 0.3);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.case-image {
    height: 200px;
    width: 100%;
    overflow: hidden;
    position: relative;
}

.case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.case-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 102, 204, 0.1), rgba(0, 210, 255, 0.1));
    z-index: 1;
}

.case-icon {
    position: absolute;
    bottom: 20px;
    left: 25px;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--primary-blue);
    z-index: 2;
}

.case-content {
    padding: 2rem;
}

.case-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.case-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.case-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.case-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.case-tag {
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-blue);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* 统计展示 */
.stats-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 1rem;
}

.stat-card {
    text-align: center;
    padding: 2.5rem 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
	border-color: rgba(0, 102, 204, 0.9);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
}

.stat-card-value {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-card-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* 合作伙伴 */
.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.partner-logo {
    height: 100px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    padding: 1rem;
    text-align: center;
    overflow: hidden;
    position: relative;
}

.partner-logo:hover {
    border-color: var(--primary-blue);
    transform: translateY(-5px);
    background: rgba(0, 102, 204, 0.05);
}

.partner-logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03), rgba(0, 210, 255, 0.03));
    z-index: -1;
}

.partner-icon {
    font-size: 2rem;
    color: var(--primary-blue);
    margin-bottom: 10px;
}

/* Tech Partner Card Styles (Enhanced) */
.tech-partner-card {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.tech-partner-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: linear-gradient(to bottom, var(--primary-blue), var(--accent-cyan));
    transition: height 0.4s ease;
}

.tech-partner-card:hover {
    transform: translateY(-5px);
    background: #fff;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 102, 204, 0.2);
}

.tech-partner-card:hover::before {
    height: 100%;
}

.partner-icon-wrapper {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.partner-icon-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
}

.partner-icon-wrapper.gov {
    background: rgba(0, 102, 204, 0.08);
    color: var(--primary-blue);
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.partner-icon-wrapper.med {
    background: rgba(6, 182, 212, 0.08);
    color: var(--accent-cyan);
    border: 1px solid rgba(6, 182, 212, 0.1);
}

.partner-icon-wrapper.corp {
    background: rgba(139, 92, 246, 0.08);
    color: var(--accent-purple);
    border: 1px solid rgba(139, 92, 246, 0.1);
}

.tech-partner-card:hover .partner-icon-wrapper.gov {
    background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
    color: white;
    box-shadow: 0 4px 10px rgba(0, 102, 204, 0.3);
}

.tech-partner-card:hover .partner-icon-wrapper.med {
    background: linear-gradient(135deg, var(--accent-cyan), #22d3ee);
    color: white;
    box-shadow: 0 4px 10px rgba(6, 182, 212, 0.3);
}

.tech-partner-card:hover .partner-icon-wrapper.corp {
    background: linear-gradient(135deg, var(--accent-purple), #a78bfa);
    color: white;
    box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
}

.partner-info {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.partner-name {
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--text-main);
    margin-bottom: 0.2rem;
    transition: color 0.3s;
    
    /* 多行文本溢出省略 */
    display: -webkit-box;
    -webkit-line-clamp: 2;          /* 限制为2行 */
    -webkit-box-orient: vertical;    /* 垂直方向排列 */
    overflow: hidden;
    text-overflow: ellipsis;
    
    /* 为了更好的兼容性，可以添加以下属性 */
    line-height: 1.4;               /* 调整行高以获得更好的显示效果 */
    max-height: 2.8em;              /* 2行 × 行高1.4 = 2.8em */
}

.tech-partner-card:hover .partner-name {
    color: var(--primary-blue);
}

.partner-tag {
    font-size: 0.7rem;
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    transition: all 0.3s ease;
    align-self: flex-start;
    font-weight: 500;
    border: 1px solid transparent;
}

.tech-partner-card:hover .partner-tag {
    background: white;
    border-color: var(--glass-border);
    color: var(--text-main);
}

/* 页脚 */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--glass-border);
    padding: 1.2rem 0 3rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col-title {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 10px;
}

.footer-col-title:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(to right, var(--primary-blue), var(--accent-cyan));
    border-radius: 2px;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.footer-contact i {
    color: var(--primary-blue);
    margin-top: 5px;
    width: 20px;
}

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

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

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom a {
    color: var(--primary-blue);
    text-decoration: none;
}

.footer-bottom a:hover {
    color: var(--accent-cyan);
}

/* -----------------------
   New Advantages Section
----------------------- */
.advantages-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.advantage-category {
    position: relative;
}

.category-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.7rem;
    position: relative;
    padding-left: 20px;
    display: inline-block;
    color: var(--text-main);
}

.category-title::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 24px;
    background: var(--primary-blue);
    border-radius: 3px;
}

.adv-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.adv-card {
    background: #fff;
    border-radius: 12px;
    padding: 1.2rem;
    border: 1px solid #e2e8f0;
    /* border-left: 4px solid var(--primary-blue); */
    transition: all 0.3s ease;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.adv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.adv-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 10px;
}

.adv-card h3 i {
    color: var(--primary-blue);
    font-size: 1.1rem;
    opacity: 0.9;
}

.adv-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.6;
}

/* Mobile Responsive Adjustments */
@media (max-width: 768px) {
    .header-container {
        padding: 0 1.5rem;
    }
    
    .nav-links, .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-value {
        font-size: 2.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
        gap: 3rem;
    }
    
    .process-step::after {
        display: none;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .adv-grid {
        grid-template-columns: 1fr;
    }
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100%;
    background: white;
    z-index: 1002;
    padding: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.menu-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
}

.mobile-menu-links {
    list-style: none;
    margin-bottom: 3rem;
}

.mobile-menu-links li {
    margin-bottom: 1.5rem;
}

.mobile-menu-links a {
    text-decoration: none;
    color: var(--text-main);
    font-size: 1.2rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 15px;
}

.mobile-menu-links a i {
    color: var(--primary-blue);
    width: 24px;
    text-align: center;
}

/* -----------------------
   Updated Solution Styles
----------------------- */
.solution-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(226, 232, 240, 0.8);
    overflow: hidden;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    position: relative;
    margin-top: 2rem;
}

.solution-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border-color: var(--accent-blue);
}

.solution-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
}

.solution-visual {
    flex: 0 0 30%;
    min-width: 180px;
    position: relative;
    overflow: hidden;
    min-height: 160px;
}

.solution-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.solution-card:hover .solution-visual img {
    transform: scale(1.05);
}

/* Overlay gradient for text readability if needed, or just aesthetic */
.solution-visual::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0) 0%, rgba(0,0,0,0.05) 100%);
    z-index: 1;
}

.visual-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0) 50%);
    z-index: 1;
}

.visual-icon {
    position: absolute;
    bottom: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    color: var(--primary-blue);
    font-size: 1rem;
    transition: transform 0.3s ease;
}

.solution-card:hover .visual-icon {
    transform: scale(1.05);
}

.solution-content {
    flex: 1;
    padding: 1.5rem 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
}

.solution-index {
    position: absolute;
    top: 0.5rem;
    right: 1rem;
    font-size: 2rem;
    font-weight: 900;
    color: var(--bg-secondary);
    line-height: 1;
    z-index: 0;
    user-select: none;
    -webkit-text-stroke: 1px rgba(0, 0, 0, 0.05);
}

.solution-header {
    margin-bottom: 0.8rem;
    position: relative;
    z-index: 1;
}

.solution-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.solution-subtitle {
    font-size: 0.9rem;
    color: var(--primary-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.solution-desc {
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.5rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    padding: 0.4rem;
    background: var(--bg-secondary);
    border-radius: 6px;
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transform: translateY(-1px);
}

.feature-icon {
    width: 16px;
    height: 16px;
    min-width: 16px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--primary-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.5rem;
    margin-top: 3px;
}

.feature-text, .feature-item > div {
    font-size: 0.8rem;
    color: var(--text-main);
    line-height: 1.4;
}

.feature-text strong, .feature-item > div strong {
    display: block;
    color: var(--text-main);
    font-weight: 600;
    margin-bottom: 0;
}

@media (max-width: 960px) {
    .solution-visual {
        flex: 0 0 100%;
        height: 160px;
        min-height: auto;
    }
    
    .solution-content {
        padding: 1rem;
    }
    
    .solution-index {
        font-size: 1.8rem;
        top: 0.5rem;
        right: 0.8rem;
    }
}

/* Floating Sidebar Styles */
.floating-sidebar {
    position: fixed;
    right: 20px;
    bottom: 15%;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

@media (max-width: 768px) {
    .floating-sidebar {
        right: 10px;
        bottom: 100px;
        transform: scale(0.9);
        transform-origin: bottom right;
    }
}

.sidebar-item {
    position: relative;
    cursor: pointer;
}

.sidebar-icon {
    width: 56px;
    height: 56px;
    background: white;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    color: var(--text-secondary);
    font-size: 1.2rem;
    border: 1px solid #e2e8f0;
}

.sidebar-icon span {
    font-size: 10px;
    margin-top: 2px;
    display: block;
    transform: scale(0.9);
}

.sidebar-item:hover .sidebar-icon {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
}

.sidebar-popup {
    position: absolute;
    right: 60px;
    top: 0;
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateX(10px);
    transition: all 0.3s ease;
    min-width: 160px;
    z-index: 1000;
    border: 1px solid #e2e8f0;
}

.sidebar-item:hover .sidebar-popup {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.popup-title {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    border-bottom: 1px solid #f1f5f9;
    padding-bottom: 5px;
}

.popup-content {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary-blue);
}

/* Legacy Floating Window Support (for other pages) */
.floating-window {
    position: fixed;
    right: 20px;
    bottom: 15%;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.floating-item {
    position: relative;
    cursor: pointer;
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all 0.3s ease;
    color: var(--text-secondary);
    font-size: 1.2rem;
    border: 1px solid #e2e8f0;
    text-decoration: none;
}

.floating-item:hover {
    background: var(--primary-blue);
    color: white;
    border-color: var(--primary-blue);
    transform: translateY(-2px);
}

.floating-popup {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    min-width: 140px;
    z-index: 1000;
    border: 1px solid #e2e8f0;
    text-align: center;
}

.floating-item:hover .floating-popup {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

.wechat-qr {
    font-size: 0.9rem;
    color: var(--text-main);
}

.phone-number {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-blue);
    white-space: nowrap;
}

@media (max-width: 768px) {
    .floating-window {
        right: 10px;
        bottom: 100px;
        transform: scale(0.9);
        transform-origin: bottom right;
    }
}

.popup-img img {
    width: 120px;
    height: 120px;
    display: block;
    margin: 0 auto;
}

/* Back to Top specific */
.back-to-top .sidebar-icon {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(5px);
}