/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* 颜色系统 - 参考设计的蓝色系 */
    --primary-color: #3C8EFF;
    --primary-dark: #2868CC;
    --primary-light: #5BA3FF;
    --secondary-color: #171313;
    --text-dark: #333333;
    --text-medium: #666666;
    --text-light: #999999;
    --bg-light: #F2F3F6;
    --bg-white: #FFFFFF;
    --border-color: #DFDFDF;
    --error-color: #ff4d4f;

    /* 间距 */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* 字体 */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    --font-display: 'Poppins', 'Inter', sans-serif;

    /* 阴影 */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

    /* 圆角 */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 30px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* 导航栏 */
.navbar {
    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;
}

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

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
}

/* Logo样式 */
.logo {
    display: inline-block;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Logo图标 */
.logo-icon {
    position: relative;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 旋转圆环 */
.logo-ring {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid;
    border-color: #3C8EFF transparent #2868CC transparent;
    border-radius: 50%;
    animation: logoRingRotate 3s linear infinite;
}

.logo-ring-2 {
    width: 75%;
    height: 75%;
    border-color: transparent #00ff88 transparent #5BA3FF;
    animation: logoRingRotate 2s linear infinite reverse;
}

@keyframes logoRingRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 中心字母 */
.logo-center {
    position: relative;
    z-index: 2;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, #3C8EFF 0%, #2868CC 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(60, 142, 255, 0.6);
}

.logo-letter {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

/* Logo文字 */
.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-brand {
    font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #3C8EFF 0%, #2868CC 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
    line-height: 1;
}

.logo-slogan {
    font-family: 'Poppins', sans-serif;
    font-size: 9px;
    font-weight: 600;
    color: #666;
    letter-spacing: 2px;
    line-height: 1;
}

/* Logo hover效果 */
.logo:hover {
    transform: translateY(-2px);
}

.logo:hover .logo-center {
    box-shadow: 0 0 30px rgba(60, 142, 255, 1);
    animation: logoPulse 1s ease-in-out infinite;
}

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

.logo:hover .logo-ring {
    border-width: 3px;
    animation-duration: 1.5s;
}

.logo:hover .logo-ring-2 {
    animation-duration: 1s;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
}

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

.nav-menu .btn-contact {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    border-radius: 50px;
    padding: 0.6rem 1.5rem;
    box-shadow: 0 4px 12px rgba(60, 142, 255, 0.3);
    transition: all 0.3s ease;
}

.nav-menu .btn-contact:hover {
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(60, 142, 255, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 24px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    position: relative;
    overflow: hidden;
    padding: 80px 0 40px 0;
}

/* 粒子背景画布 */
.particles-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

/* 网格背景 */
.grid-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(60, 142, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 142, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 1;
    opacity: 0.3;
}

/* 扫描线效果 */
.scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(60, 142, 255, 0.8) 50%,
        transparent 100%);
    box-shadow: 0 0 20px rgba(60, 142, 255, 0.8);
    animation: scan 4s linear infinite;
    z-index: 2;
}

@keyframes scan {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(100vh);
    }
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(60, 142, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 4s ease-in-out infinite;
    z-index: 1;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.5;
    }
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 6s ease-in-out infinite reverse;
    z-index: 1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content {
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: white;
    text-shadow:
        0 0 10px rgba(60, 142, 255, 0.8),
        0 0 20px rgba(60, 142, 255, 0.6),
        0 0 30px rgba(60, 142, 255, 0.4),
        0 2px 20px rgba(0, 0, 0, 0.2);
    font-family: var(--font-display);
    animation: textGlow 3s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% {
        text-shadow:
            0 0 10px rgba(60, 142, 255, 0.8),
            0 0 20px rgba(60, 142, 255, 0.6),
            0 0 30px rgba(60, 142, 255, 0.4);
    }
    50% {
        text-shadow:
            0 0 20px rgba(60, 142, 255, 1),
            0 0 30px rgba(60, 142, 255, 0.8),
            0 0 40px rgba(60, 142, 255, 0.6);
    }
}

.hero-platforms {
    font-size: 1.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.hero-platforms span {
    transition: all 0.3s ease;
}

.hero-platforms span:not(:nth-child(even)):hover {
    color: #3C8EFF;
    text-shadow: 0 0 20px rgba(60, 142, 255, 0.5);
}

.hero-subtitle {
    font-size: 2rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-md);
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.15);
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    text-shadow: 0 1px 10px rgba(0, 0, 0, 0.1);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, #3C8EFF 0%, #2868CC 100%);
    color: white;
    box-shadow:
        0 0 20px rgba(60, 142, 255, 0.5),
        0 8px 24px rgba(60, 142, 255, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    animation: btnGlow 2s ease-in-out infinite;
}

@keyframes btnGlow {
    0%, 100% {
        box-shadow:
            0 0 20px rgba(60, 142, 255, 0.5),
            0 8px 24px rgba(60, 142, 255, 0.4);
    }
    50% {
        box-shadow:
            0 0 30px rgba(60, 142, 255, 0.8),
            0 8px 24px rgba(60, 142, 255, 0.6);
    }
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow:
        0 0 40px rgba(60, 142, 255, 1),
        0 12px 32px rgba(60, 142, 255, 0.6);
    animation: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid white;
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: white;
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: rgba(15, 12, 41, 0.8);
    backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    box-shadow: 0 8px 32px rgba(60, 142, 255, 0.2);
    animation: float 3s ease-in-out infinite;
    border: 1px solid rgba(60, 142, 255, 0.3);
    position: relative;
    overflow: hidden;
}

/* 科技卡片样式 */
.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(60, 142, 255, 0.2),
        transparent);
    animation: shimmer 3s infinite;
}

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

.card-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.75rem;
    color: rgba(60, 142, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff88;
    box-shadow: 0 0 10px #00ff88;
    animation: blink 2s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.tech-border {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent,
        rgba(60, 142, 255, 0.8),
        transparent);
}

.floating-card .platform-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    filter: drop-shadow(0 0 10px rgba(60, 142, 255, 0.5));
}

.floating-card p {
    font-weight: 600;
    color: white;
    position: relative;
    z-index: 1;
}

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

.card-2 {
    top: 50%;
    right: 20%;
    animation-delay: 1s;
}

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

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

/* 科技装饰元素 */
.tech-decoration {
    position: absolute;
    border: 2px solid rgba(60, 142, 255, 0.3);
    border-radius: 50%;
    animation: rotate 20s linear infinite;
}

.tech-circle-1 {
    width: 150px;
    height: 150px;
    top: 10%;
    right: 5%;
    border-style: dashed;
}

.tech-circle-2 {
    width: 100px;
    height: 100px;
    bottom: 20%;
    right: 10%;
    animation: rotate 15s linear infinite reverse;
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* 代码片段样式 */
.code-snippet {
    position: absolute;
    top: 15%;
    right: 15%;
    background: rgba(15, 12, 41, 0.9);
    border: 1px solid rgba(60, 142, 255, 0.4);
    border-radius: 8px;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Courier New', monospace;
    font-size: 0.85rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: float 4s ease-in-out infinite;
    animation-delay: 1.5s;
}

.code-line {
    margin: 0.3rem 0;
    white-space: nowrap;
}

.code-keyword {
    color: #ff79c6;
}

.code-var {
    color: #8be9fd;
}

.code-string {
    color: #f1fa8c;
}

.code-number {
    color: #bd93f9;
}

.code-method {
    color: #50fa7b;
}

/* Section 通用样式 */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
    font-family: var(--font-display);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-dark));
    border-radius: 2px;
    box-shadow: 0 0 10px var(--primary-color);
    animation: underlineGlow 2s ease-in-out infinite;
}

@keyframes underlineGlow {
    0%, 100% {
        box-shadow: 0 0 10px var(--primary-color);
        width: 60px;
    }
    50% {
        box-shadow: 0 0 20px var(--primary-color);
        width: 80px;
    }
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--text-medium);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

/* 核心卖点 */
.key-values {
    background: linear-gradient(180deg, #0a0a1a 0%, #1a1a2e 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
}

/* 粒子背景 */
.values-bg-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: 0.4;
}

/* 网格线背景 */
.values-grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(60, 142, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(60, 142, 255, 0.05) 1px, transparent 1px);
    background-size: 100px 100px;
    z-index: 1;
}

.key-values .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

.key-values .section-title {
    color: white;
}

.key-values .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

/* 连接线 */
.connection-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.value-card {
    background: rgba(15, 15, 30, 0.8);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(60, 142, 255, 0.2);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg,
        transparent,
        rgba(60, 142, 255, 0.1),
        transparent);
    transition: left 0.6s ease;
}

.value-card:hover::before {
    left: 100%;
}

/* 科技徽章 */
.tech-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: rgba(60, 142, 255, 0.8);
    border: 2px solid rgba(60, 142, 255, 0.3);
    border-radius: 50%;
    background: rgba(60, 142, 255, 0.05);
    font-family: 'Courier New', monospace;
    z-index: 2;
    animation: badgeRotate 10s linear infinite;
}

@keyframes badgeRotate {
    0%, 100% {
        transform: rotate(0deg);
        border-color: rgba(60, 142, 255, 0.3);
    }
    50% {
        transform: rotate(180deg);
        border-color: rgba(60, 142, 255, 0.6);
    }
}

/* 卡片四角 */
.card-corner {
    position: absolute;
    width: 15px;
    height: 15px;
    border: 2px solid rgba(60, 142, 255, 0.5);
    z-index: 2;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.value-card:hover .card-corner {
    opacity: 1;
}

.corner-tl {
    top: 0;
    left: 0;
    border-right: none;
    border-bottom: none;
}

.corner-tr {
    top: 0;
    right: 0;
    border-left: none;
    border-bottom: none;
}

.corner-bl {
    bottom: 0;
    left: 0;
    border-right: none;
    border-top: none;
}

.corner-br {
    bottom: 0;
    right: 0;
    border-left: none;
    border-top: none;
}

.value-card:hover {
    border-color: rgba(60, 142, 255, 0.6);
    box-shadow:
        0 0 40px rgba(60, 142, 255, 0.4),
        0 10px 40px rgba(60, 142, 255, 0.2),
        inset 0 0 30px rgba(60, 142, 255, 0.1);
    transform: translateY(-8px);
}

/* 图标容器 */
.value-icon-wrapper {
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
}

/* 图标发光 */
.icon-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(60, 142, 255, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 0.8;
    }
}

.value-card:hover .icon-glow {
    opacity: 1;
}

.value-icon {
    font-size: 3.5rem;
    display: inline-block;
    position: relative;
    z-index: 2;
    transition: transform 0.4s ease;
    filter: drop-shadow(0 0 20px rgba(60, 142, 255, 0.6));
}

.value-card:hover .value-icon {
    transform: scale(1.15) rotate(5deg);
    filter: drop-shadow(0 0 30px rgba(60, 142, 255, 1));
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: white;
    position: relative;
    z-index: 1;
}

.value-card p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* 数据流动效果 */
.data-flow {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(60, 142, 255, 0.8) 50%,
        transparent 100%);
    background-size: 200% 100%;
    animation: dataFlowAnim 2s linear infinite;
}

@keyframes dataFlowAnim {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

/* 服务 */
.services {
    background: linear-gradient(135deg, #16213e 0%, #0f3460 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
}

.services::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(60, 142, 255, 0.15) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 8s ease-in-out infinite;
}

.services::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(0, 255, 136, 0.1) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 6s ease-in-out infinite reverse;
}

.services .container {
    position: relative;
    z-index: 2;
    width: 100%;
}

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

.services .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.services-list {
    max-width: 900px;
    margin: 0 auto;
}

.service-item {
    background: rgba(15, 15, 30, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
    transition: all 0.3s ease;
    border-left: 4px solid rgba(60, 142, 255, 0.3);
    border: 1px solid rgba(60, 142, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.service-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(60, 142, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.service-item:hover::before {
    left: 100%;
}

.service-item:hover {
    border-color: rgba(60, 142, 255, 0.6);
    box-shadow: 0 0 30px rgba(60, 142, 255, 0.3);
    transform: translateX(8px);
}

.service-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    opacity: 0.5;
    min-width: 80px;
    text-shadow: 0 0 20px rgba(60, 142, 255, 0.5);
}

.service-content h3 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-sm);
    color: white;
}

.service-desc {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

.service-features {
    list-style: none;
    display: grid;
    gap: 0.5rem;
}

.service-features li {
    padding-left: 1.5rem;
    position: relative;
    color: rgba(255, 255, 255, 0.7);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #00ff88;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.6);
}

/* 成功案例 */
.success-stories {
    background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
}

.success-stories::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(60, 142, 255, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.success-stories .section-title {
    color: white;
}

.success-stories .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    text-align: center;
    padding: var(--spacing-md);
    background: rgba(15, 15, 30, 0.6);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
    border: 1px solid rgba(60, 142, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(60, 142, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.stat-card:hover::before {
    left: 100%;
}

.stat-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: 0 0 40px rgba(60, 142, 255, 0.4);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
    text-shadow: 0 0 20px rgba(60, 142, 255, 0.5);
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
}

.case-studies {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.case-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.case-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

.case-card:hover::before {
    transform: translateX(100%);
}

.case-card:nth-child(2) {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.case-card:nth-child(3) {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow:
        0 0 30px rgba(102, 126, 234, 0.6),
        0 20px 40px rgba(0, 0, 0, 0.3);
}

.case-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.case-card h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.case-metric {
    margin: var(--spacing-sm) 0;
}

.metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.metric-label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.case-detail {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.3);
}

/* 关于我们 */
.about {
    background: linear-gradient(135deg, #0f3460 0%, #16213e 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
}

.about::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.15) 0%, transparent 70%);
    pointer-events: none;
    animation: pulse 10s ease-in-out infinite;
}

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

.about .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.about-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-md);
    color: white;
}

.about-text p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
    font-size: 1.1rem;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
}

.feature-icon {
    color: #00ff88;
    font-size: 1.5rem;
    text-shadow: 0 0 10px rgba(0, 255, 136, 0.6);
}

.milestone-timeline {
    position: relative;
    padding: var(--spacing-md);
}

.milestone {
    background: rgba(15, 15, 30, 0.6);
    backdrop-filter: blur(10px);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
    border-left: 4px solid var(--primary-color);
    border: 1px solid rgba(60, 142, 255, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.milestone::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(60, 142, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

.milestone:hover::before {
    left: 100%;
}

.milestone:hover {
    transform: translateX(10px);
    box-shadow: 0 0 20px rgba(60, 142, 255, 0.3);
    border-color: rgba(60, 142, 255, 0.6);
}

.milestone-year {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
    text-shadow: 0 0 15px rgba(60, 142, 255, 0.5);
}

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

/* 联系我们 */
.contact {
    background: linear-gradient(180deg, #16213e 0%, #0f3460 100%);
    position: relative;
    overflow: hidden;
    padding: var(--spacing-lg) 0;
}

.contact::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(60, 142, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

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

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    gap: var(--spacing-sm);
    align-items: flex-start;
}

.contact-icon {
    font-size: 2.5rem;
    min-width: 60px;
}

.contact-details h4 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: white;
}

.contact-details p {
    color: rgba(255, 255, 255, 0.7);
}

.contact-form {
    background: rgba(15, 15, 30, 0.6);
    backdrop-filter: blur(10px);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid rgba(60, 142, 255, 0.2);
}

.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid rgba(60, 142, 255, 0.2);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(0, 0, 0, 0.3);
    color: white;
}

.form-group input::placeholder,
.form-group select::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-group select {
    color: rgba(255, 255, 255, 0.8);
}

.form-group select option {
    background: #0f3460;
    color: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(60, 142, 255, 0.2), 0 0 20px rgba(60, 142, 255, 0.3);
    background: rgba(0, 0, 0, 0.4);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
}

/* 页脚 */
.footer {
    background: linear-gradient(180deg, #0a0a1a 0%, #000000 100%);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md) 0;
    position: relative;
    border-top: 1px solid rgba(60, 142, 255, 0.2);
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent,
        rgba(60, 142, 255, 0.6),
        transparent);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
    color: var(--primary-light);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero {
        min-height: 100vh;
        padding: 100px 0 60px 0;
    }

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

    .hero-visual {
        display: none;
    }

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

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

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

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-md);
        padding: var(--spacing-md) 0;
    }

    .nav-menu.active {
        left: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

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

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

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

    .service-item {
        flex-direction: column;
    }

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

    .case-studies {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

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

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

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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