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

:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #3385ff;
    --accent-color: #00d4ff;
    --success-color: #00c853;
    --warning-color: #ffc107;
    --danger-color: #ff1744;
    
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --text-muted: #6b7280;
    
    --bg-dark: #0a0e1a;
    --bg-darker: #050810;
    --bg-light: #1a1f2e;
    --bg-lighter: #252b3d;
    
    --border-color: rgba(255, 255, 255, 0.1);
    --gradient-1: linear-gradient(135deg, #0066cc 0%, #00d4ff 100%);
    --gradient-2: linear-gradient(135deg, #1a1f2e 0%, #0a0e1a 100%);
    
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 30px 60px rgba(0, 0, 0, 0.4);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
}

/* 全局隐藏非必要的滚动条（保留页面整体滚动） */
* {
    scrollbar-width: none;
}

html, body {
    scrollbar-width: thin;
}

*::-webkit-scrollbar {
    display: none;
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: block;
}

body {
    font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    width: 100%;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    overflow-x: hidden;
    width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button {
    border: none;
    outline: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== 导航栏 ===== */
.navbar {
    position: relative;
    z-index: 1000;
    background: var(--bg-dark);
    transition: var(--transition);
    overflow: hidden;
}

/* 移除滚动样式,因为导航栏不再固定 */

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 0;
}

.nav-brand .logo {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-direction: row;
}

.nav-brand .logo-text-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.nav-brand .logo-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-brand .logo-icon svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 8px rgba(0, 102, 204, 0.3));
    transition: var(--transition);
}

.nav-brand .logo-icon svg:hover {
    filter: drop-shadow(0 4px 12px rgba(0, 102, 204, 0.5));
    transform: translateY(-2px);
}

.nav-brand .logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.nav-brand .logo-tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-top: 4px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* 底部Tab导航栏默认隐藏，仅手机端（≤767px）显示 */
.bottom-tab-nav {
    display: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 10px 20px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    white-space: nowrap;
}

.nav-link:hover,
.nav-item.active .nav-link {
    color: var(--text-primary);
}

.nav-item.active .nav-link {
    color: var(--primary-light);
}

/* ===== 主内容区域 ===== */
.main-content {
    min-height: calc(100vh - 200px);
}

/* ===== 首页英雄区域 ===== */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

/* ===== 轮播图样式 ===== */
.hero-carousel {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
}

.carousel-track {
    position: relative;
    width: 100%;
    height: 100%;
}

.carousel-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all 0.8s ease-in-out;
    z-index: 1;
}

.carousel-slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.carousel-slide .slide-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
}

.carousel-slide .slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.7) 0%, rgba(0, 0, 0, 0.3) 100%);
    z-index: 2;
}

.carousel-slide .slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.carousel-slide .slide-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(0, 212, 255, 0.05) 0%, transparent 30%);
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

.carousel-slide .slide-text {
    position: relative;
    z-index: 3;
    max-width: 800px;
    animation: slideUp 0.8s ease-out 0.3s both;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.carousel-slide .slide-badge {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #0066cc 0%, #00d4ff 100%);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.4);
}

.carousel-slide .slide-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.carousel-slide .slide-description {
    font-size: 1.25rem;
    color: #b0b0b0;
    margin-bottom: 30px;
    line-height: 1.6;
}

/* 轮播控制按钮 */
.carousel-controls {
    display: none !important;
}

.carousel-btn {
    display: none !important;
}

.carousel-btn:hover {
    background: rgba(0, 102, 204, 0.8);
    border-color: #0066cc;
    transform: scale(1.1);
}

.carousel-btn:active {
    transform: scale(0.95);
}

/* 轮播指示器 */
.carousel-indicators {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-indicator.active {
    background: linear-gradient(135deg, #0066cc 0%, #00d4ff 100%);
    transform: scale(1.2);
    box-shadow: 0 0 15px rgba(0, 102, 204, 0.5);
}

.carousel-indicator:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* 轮播进度条 - 与指示器同宽，部署在上方 */
.carousel-progress {
    position: absolute;
    bottom: 75px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(12px * 6 + 12px * 5);
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 10;
    border-radius: 2px;
}

.carousel-progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.1s linear;
    border-radius: 2px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: -1;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(0, 102, 204, 0.1) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

.hero-gradient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 300px;
    background: linear-gradient(to top, var(--bg-dark), transparent);
}

.hero-section .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 8px 20px;
    background: rgba(0, 102, 204, 0.15);
    border: 1px solid rgba(0, 102, 204, 0.3);
    border-radius: 100px;
    margin-bottom: 32px;
    font-size: 0.875rem;
    color: var(--accent-color);
    font-weight: 600;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-line.highlight {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    font-weight: 500;
}

.hero-description {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 36px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--gradient-1);
    color: #ffffff;
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

/* 英雄区域视觉效果 */
.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tech-circles {
    position: absolute;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.circle {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    opacity: 0.6;
}

.circle-1 {
    width: 100%;
    height: 100%;
    border-color: rgba(0, 102, 204, 0.2);
    animation: rotate 30s linear infinite;
}

.circle-2 {
    width: 70%;
    height: 70%;
    border-color: rgba(0, 212, 255, 0.3);
    animation: rotate 20s linear infinite reverse;
}

.circle-3 {
    width: 40%;
    height: 40%;
    border-color: rgba(0, 102, 204, 0.4);
    animation: rotate 15s linear infinite;
}

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

.tech-grid {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(0, 102, 204, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 102, 204, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    from { transform: translate(0, 0); }
    to { transform: translate(50px, 50px); }
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-icons i {
    position: absolute;
    font-size: 2.5rem;
    color: var(--accent-color);
    opacity: 0.8;
    animation: float 6s ease-in-out infinite;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.icon-1 {
    top: 10%;
    left: 20%;
    animation-delay: 0s;
}

.icon-2 {
    top: 30%;
    right: 15%;
    animation-delay: 1s;
}

.icon-3 {
    bottom: 30%;
    left: 10%;
    animation-delay: 2s;
}

.icon-4 {
    bottom: 15%;
    right: 25%;
    animation-delay: 3s;
}

.icon-5 {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 4s;
    font-size: 3rem;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* ===== 通用区块样式 ===== */
section {
    padding: 100px 0;
    overflow-x: hidden;
    max-width: 100%;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #b0b0b0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* ===== 核心业务区块 ===== */
.services-section {
    background: var(--bg-dark);
    overflow: hidden;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    overflow: hidden;
}

.service-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-1);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(0, 102, 204, 0.3);
}

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

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.2) 0%, rgba(0, 212, 255, 0.1) 100%);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    font-size: 1.75rem;
    color: var(--accent-color);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.8;
}

.service-features {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.service-features li {
    padding: 8px 0;
    color: var(--text-muted);
    padding-left: 24px;
    position: relative;
}

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

/* ===== 核心优势区块 ===== */
.advantages-section {
    background: var(--bg-dark);
    overflow: hidden;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    overflow: hidden;
}

.advantage-item {
    position: relative;
    padding-left: 80px;
}

.advantage-number {
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: #ffffff;
}

.advantage-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* ===== 数据统计区块 ===== */
.stats-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d4a6f 50%, #3d5a7f 100%);
    padding: 80px 0;
    overflow: hidden;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    overflow: hidden;
}

.stat-item {
    padding: 30px;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: #ffffff;
    line-height: 1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

/* ===== 合作伙伴区块 ===== */
.partners-section {
    background: var(--bg-darker);
    padding: 80px 0;
    overflow: hidden;
}

.partners-carousel {
    position: relative;
    overflow: hidden;
    width: 100%;
}

/* ===== 齿轮连续滚动轨道 ===== */
.gear-track {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: max-content;
    will-change: transform;
    animation: gearScroll linear infinite;
    animation-play-state: running;
}

.gear-logo-row {
    display: flex;
    gap: 12px;
    white-space: nowrap;
}

/* 齿轮滚动关键帧：向左无限循环 */
@keyframes gearScroll {
    0%   { transform: translateX(0); }
    100% { transform: translateX(var(--scroll-distance, -2000px)); }
}

/* 隐藏原始轨道 */
.partners-track {
    display: none !important;
}

/* 齿轮行内的 Logo */
.gear-logo-row .partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 12px 8px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 100px;
    min-height: 50px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    cursor: pointer;
    transition: var(--transition);
}

.gear-logo-row .partner-logo:hover {
    border-color: var(--primary-light);
    color: var(--accent-color);
    transform: translateY(-4px);
}

.partner-logo {
    text-align: center;
    padding: 12px 8px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    min-height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.partner-logo:hover {
    border-color: var(--primary-light);
    color: var(--accent-color);
    transform: translateY(-4px);
}

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-darker);
    padding: 80px 0 30px;
    border-top: 1px solid var(--border-color);
}

.footer .container {
    max-width: 1280px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, minmax(200px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
    width: 100%;
}

.footer-section {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.footer-brand {
    margin-bottom: 24px;
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.footer-brand .logo-text-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-brand .logo-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand .logo-icon svg {
    width: 100%;
    height: 100%;
}

.footer-brand .logo-text {
    font-size: 1.75rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

.footer-brand .logo-tagline {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    margin-top: 4px;
}

.footer-description {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 24px;
}

.footer-social {
    display: none;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: 1.1rem;
}

.social-link:hover {
    background: var(--gradient-1);
    border-color: transparent;
    color: #ffffff;
    transform: translateY(-4px);
    box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
}

.footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 24px;
    text-align: center;
}

.footer-links li {
    margin-bottom: 12px;
    text-align: center;
}

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition);
    display: inline-block;
}

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 8px;
}

.footer-contact li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 16px;
    color: var(--text-muted);
}

.footer-contact i {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-light);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

/* ===== AI智能客服 ===== */
.ai-chat-widget {
    position: fixed;
    bottom: 40px;
    right: 40px;
    z-index: 10001;
}

.chat-toggle {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.5);
    transition: var(--transition);
    animation: pulse-breath 2s ease-in-out infinite;
    position: relative;
}

.chat-toggle:hover {
    transform: scale(1.1);
}

@keyframes pulse-breath {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(0, 102, 204, 0.5), 0 0 0 0 rgba(0, 212, 255, 0.4);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 8px 40px rgba(0, 102, 204, 0.7), 0 0 0 10px rgba(0, 212, 255, 0);
        transform: scale(1.05);
    }
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
        box-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
    }
    50% {
        opacity: 0.6;
        box-shadow: 0 0 4px rgba(0, 255, 136, 0.3);
    }
}

.chat-toggle-icon {
    font-size: 1.75rem;
    color: #ffffff;
}

.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px);
    transition: var(--transition);
}

.chat-window.active {
    display: flex;
    opacity: 1;
    transform: translateY(0);
}

.chat-header {
    background: var(--gradient-1);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #ffffff;
}

.chat-title h3 {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 4px;
}

.chat-status {
    font-size: 0.75rem;
    color: #00ff88;
    font-weight: bold;
}

.chat-close {
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    transition: var(--transition);
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.chat-messages {
    flex: 1;
    max-height: 400px;
    overflow-y: auto;
    padding: 20px;
    background: var(--bg-darker);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.chat-messages::-webkit-scrollbar {
    display: none;
}

.message {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    animation: slideIn 0.3s ease-out;
}

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

.message.user-message {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: #ffffff;
    flex-shrink: 0;
}

.user-message .message-avatar {
    background: var(--success-color);
}

.message-content {
    flex: 1;
    max-width: 80%;
}

.message-content p {
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.6;
    font-size: 0.9rem;
}

.bot-message .message-content p {
    background: var(--bg-light);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

.user-message .message-content p {
    background: var(--primary-color);
    color: #ffffff;
    border-bottom-right-radius: 4px;
}

.message-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.suggestion-btn {
    padding: 8px 16px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.suggestion-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.chat-input-area {
    padding: 20px;
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

.chat-input-wrapper {
    display: flex;
    gap: 12px;
    align-items: center;
}

.chat-input {
    flex: 1;
    padding: 14px 18px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
}

.chat-input:focus {
    border-color: var(--primary-light);
    outline: none;
}

.chat-send {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-size: 1.125rem;
    transition: var(--transition);
}

.chat-send:hover {
    transform: scale(1.1);
}

/* 加载状态 */
.message.loading {
    opacity: 0.7;
}

.message.loading .message-content p {
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    bottom: 40px;
    left: 40px;
    width: 50px;
    height: 50px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
}

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

.back-to-top:hover {
    background: var(--gradient-1);
    border-color: transparent;
    color: #ffffff;
    transform: translateY(-4px);
}

/* ===== 页面标题 ===== */
.page-header {
    background: var(--gradient-2);
    padding: 120px 0 60px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 102, 204, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%);
}

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

.page-title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 8px;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.breadcrumb a {
    color: var(--text-secondary);
    transition: var(--transition);
}

.breadcrumb a:hover {
    color: var(--primary-light);
}

.breadcrumb .separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--accent-color);
    font-weight: 600;
}

/* ===== 关于我们页面 ===== */
.about-section {
    padding: 80px 0;
    overflow: hidden;
}

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

.about-image {
    position: relative;
}

.image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--bg-light);
}

.tech-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--accent-color);
    border-radius: 16px;
    z-index: -1;
}

.placeholder-image {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-darker);
    color: var(--text-muted);
}

.placeholder-image i {
    font-size: 4rem;
    margin-bottom: 16px;
    color: var(--accent-color);
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 102, 204, 0.15);
    color: var(--accent-color);
    border-radius: 100px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.highlight-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.company-info p {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.company-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 40px;
}

.stat-box {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 8px;
}

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

/* ===== 品牌故事 ===== */
.brand-story-section {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

.brand-story-content {
    display: flex;
    flex-direction: column;
    gap: 40px;
}

.story-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 30px;
    align-items: start;
}

.story-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.character {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffffff;
}

.story-text h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

.story-summary {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    padding: 32px;
    border-radius: 8px;
}

.story-summary p {
    color: var(--text-primary);
    line-height: 1.8;
    font-size: 1.05rem;
}

/* ===== 发展历程 ===== */
.timeline-section {
    padding: 80px 0;
    overflow: hidden;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-1);
}

.timeline-item {
    position: relative;
    padding-left: 100px;
    padding-bottom: 60px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-year {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--accent-color);
}

.timeline-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 80px;
}

.timeline-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.timeline-content p {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ===== 企业文化 ===== */
.culture-section {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

.culture-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    overflow: hidden;
}

.culture-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.culture-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.culture-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 24px;
}

.culture-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

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

/* ===== 核心团队 ===== */
.team-section {
    padding: 80px 0;
    overflow: hidden;
}

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

.team-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

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

.team-avatar {
    width: 100px;
    height: 100px;
    background: var(--bg-darker);
    border: 2px solid var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--accent-color);
    margin: 0 auto 20px;
}

.team-name {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.team-title {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 16px;
}

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

/* ===== 资质荣誉 ===== */
.certificates-section {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

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

.certificate-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.certificate-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
}

.certificate-icon {
    width: 70px;
    height: 70px;
    background: rgba(0, 102, 204, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--accent-color);
    margin: 0 auto 24px;
}

.certificate-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.certificate-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* ===== 产品页面 ===== */
.products-section {
    padding: 80px 0;
    overflow: hidden;
}

.product-category {
    margin-bottom: 80px;
}

.category-header {
    margin-bottom: 40px;
    display: flex;
    align-items: center;
    gap: 20px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--border-color);
}

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
}

.category-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.category-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    overflow: hidden;
}

.product-item {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition);
}

.product-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.product-name {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.product-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.product-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.product-features span {
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    border-radius: 100px;
    font-size: 0.85rem;
}

.solution-packages {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.solution-package {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 32px;
    transition: var(--transition);
}

.solution-package:hover {
    transform: translateY(-4px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.package-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #ffffff;
    margin-bottom: 20px;
}

.package-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.package-desc {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.package-features {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.package-features span {
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    border-radius: 100px;
    font-size: 0.85rem;
}

.service-advantages {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

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

.advantage-item {
    text-align: center;
    padding: 32px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition);
}

.advantage-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
}

.advantage-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #ffffff;
    margin: 0 auto 24px;
}

.advantage-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.advantage-desc {
    color: var(--text-secondary);
    line-height: 1.6;
}

.contact-cta {
    padding: 80px 0;
}

.cta-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.cta-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 32px;
    font-size: 1.05rem;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===== 解决方案页面 ===== */
.solutions-section {
    padding: 80px 0;
    overflow: hidden;
}

.solutions-list {
    display: flex;
    flex-direction: column;
    gap: 60px;
}

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

.solution-card.featured {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.solution-image {
    position: relative;
}

.image-placeholder {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-darker);
    border-radius: 12px;
    color: var(--text-muted);
}

.image-placeholder i {
    font-size: 4rem;
    color: var(--accent-color);
}

.solution-tag {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 6px 16px;
    background: var(--gradient-1);
    color: #ffffff;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
}

.solution-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.solution-subtitle {
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 20px;
    font-size: 1.05rem;
}

.solution-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.solution-features {
    display: grid;
    gap: 12px;
    margin-bottom: 24px;
}

.solution-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.solution-features i {
    color: var(--success-color);
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition);
}

.solution-link:hover {
    gap: 12px;
    transform: translateX(4px);
}

.process-section {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 30px;
}

.process-step {
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 900;
    color: #ffffff;
    margin: 0 auto 20px;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-description {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===== 成功案例页面 ===== */
.cases-stats {
    padding: 60px 0;
    background: var(--gradient-1);
}

.cases-section {
    padding: 80px 0;
    overflow: hidden;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    overflow: hidden;
}

.case-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.case-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.case-image {
    position: relative;
    min-height: 200px;
}

.case-content {
    padding: 24px;
}

.case-category {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.case-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.case-description {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

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

.case-features span {
    padding: 4px 12px;
    background: var(--bg-darker);
    color: var(--text-muted);
    border-radius: 100px;
    font-size: 0.85rem;
}

.testimonials-section {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
    overflow: hidden;
}

.testimonial-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
}

.testimonial-stars {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    color: var(--warning-color);
}

.testimonial-text {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.author-name {
    font-weight: 700;
    color: var(--text-primary);
}

.author-title {
    color: var(--accent-color);
    font-size: 0.95rem;
}

/* ===== 新闻页面 ===== */
.news-categories {
    padding: 40px 0;
}

.categories-nav {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.category-btn {
    padding: 10px 24px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: 0.95rem;
}

.category-btn:hover,
.category-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: #ffffff;
}

.news-section {
    padding: 40px 0 80px;
    overflow: hidden;
}

.news-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

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

.news-item.featured {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.news-item:not(.featured) {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition);
}

.news-item:not(.featured):hover,
.news-item.featured:hover {
    border-color: var(--accent-color);
    box-shadow: 0 4px 20px rgba(0, 102, 204, 0.2);
    transform: translateY(-4px);
}

.news-item .news-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
}

.news-image {
    border-radius: 0;
    overflow: hidden;
    height: 200px;
}

.news-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-image .image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.05), rgba(0, 191, 255, 0.05));
    border-radius: 12px;
}

.news-image .image-placeholder i {
    font-size: 48px;
    color: var(--accent-color);
    opacity: 0.6;
}

.news-content h2,
.news-content h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 8px;
}

.news-category {
    padding: 4px 12px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
}

.news-date {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.news-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 12px;
    font-size: 0.9rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-color);
    font-weight: 600;
    transition: var(--transition);
}

.read-more:hover {
    gap: 12px;
    transform: translateX(4px);
}

.pagination {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 60px;
}

.page-btn {
    width: 44px;
    height: 44px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.page-btn:hover,
.page-btn.active {
    background: var(--gradient-1);
    border-color: transparent;
    color: #ffffff;
}

.page-dots {
    display: flex;
    align-items: center;
    color: var(--text-muted);
}

/* ===== 招聘页面 ===== */
.careers-banner {
    padding: 80px 0;
    background: transparent;
}

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

.banner-title {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 20px;
}

.banner-description {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: 40px;
    font-size: 1.05rem;
}

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

.banner-stats .stat-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 24px;
}

.banner-stats .stat-number {
    font-size: 2.5rem;
    font-weight: 900;
    color: #ffffff;
    margin-bottom: 8px;
}

.banner-stats .stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
}

.benefits-section {
    padding: 80px 0;
    overflow: hidden;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    overflow: hidden;
}

.benefit-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.benefit-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    box-shadow: var(--shadow-xl);
}

.benefit-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: #ffffff;
    margin: 0 auto 20px;
}

.benefit-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.benefit-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

.jobs-section {
    padding: 80px 0;
    overflow: hidden;
}

.jobs-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.job-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition);
}

.job-card:hover {
    border-color: var(--primary-light);
    box-shadow: var(--shadow-lg);
}

.job-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 20px;
    gap: 20px;
}

.job-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

.tag {
    padding: 6px 16px;
    background: rgba(0, 102, 204, 0.1);
    color: var(--accent-color);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
}

.job-description {
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
}

.job-requirements h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.job-requirements ul {
    list-style: none;
    display: grid;
    gap: 12px;
}

.job-requirements li {
    color: var(--text-secondary);
    line-height: 1.6;
    padding-left: 24px;
    position: relative;
}

.job-requirements li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
}

.apply-btn {
    display: inline-flex;
    align-items: center;
    padding: 12px 32px;
    background: var(--gradient-1);
    color: #ffffff;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.4);
}

/* ===== 联系页面 ===== */
.contact-info-section {
    padding: 80px 0;
    overflow: hidden;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    overflow: hidden;
}

.contact-cards {
    display: grid;
    gap: 20px;
}

.contact-card {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #ffffff;
    flex-shrink: 0;
}

.contact-title {
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.contact-text {
    color: var(--text-secondary);
}

.contact-form-container {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 40px;
}

.form-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 32px;
    color: var(--text-primary);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 12px 16px;
    background: var(--bg-darker);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary-light);
    outline: none;
}

.form-group input.error,
.form-group textarea.error,
.form-group select.error {
    border-color: var(--danger-color);
}

.form-submit {
    grid-column: 1 / -1;
    margin-top: 20px;
}

.form-submit button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    background: var(--gradient-1);
    color: #ffffff;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
}

.form-submit button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 102, 204, 0.4);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.85rem;
    display: none;
}

.map-section {
    padding: 40px 0 80px;
    overflow: hidden;
}

.map-container {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.map-placeholder {
    min-height: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-light);
    color: var(--text-muted);
}

.map-placeholder i {
    font-size: 4rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.map-placeholder p {
    font-size: 1.125rem;
    margin-bottom: 8px;
}

.map-note {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.faq-section {
    padding: 80px 0;
    background: var(--bg-darker);
    overflow: hidden;
}

.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.faq-question {
    padding: 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.faq-question:hover {
    background: rgba(0, 102, 204, 0.05);
}

.faq-question h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.faq-question i {
    color: var(--accent-color);
    transition: var(--transition);
}

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

.faq-answer {
    display: none;
    padding: 0 24px 24px;
    border-top: 1px solid var(--border-color);
}

.faq-answer p {
    color: var(--text-secondary);
    line-height: 1.8;
    padding-top: 20px;
}

.faq-item.active .faq-answer {
    display: block;
}

.social-section {
    padding: 80px 0;
    overflow: hidden;
}

.social-links {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px 40px;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    transition: var(--transition);
    color: var(--text-secondary);
}

.social-item:hover {
    transform: translateY(-8px);
    border-color: var(--primary-light);
    color: var(--accent-color);
}

.social-item i {
    font-size: 2.5rem;
}