/* 全局样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'SF Pro Display', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

:root {
    --primary: #00b4ff;
    --secondary: #00a0e9;
    --accent: #00e0e0;
    --dark: #1a243f;
    --light: #ffffff;
    --gradient: linear-gradient(135deg, var(--primary), var(--accent));
}

body {
    background-color: var(--dark);
    background-image: linear-gradient(to bottom, #1a243f, #0f172a);
    color: var(--light);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 导航栏样式 */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 15px 0;
    background: rgba(26, 36, 63, 0.98);
    backdrop-filter: blur(12px);
    z-index: 1100;
    box-shadow: 0 2px 30px rgba(0, 180, 255, 0.15);
    border-bottom: 1px solid rgba(0, 180, 255, 0.1);
    transition: all 0.3s ease;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 60px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.nav-links {
    display: flex;
    gap: 40px;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s;
}

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

.nav-links a:hover::after {
    transform: scaleX(1);
}

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

.logo-text {
    font-size: 24px;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-badge {
    padding: 4px 8px;
    background: rgba(0,168,255,0.1);
    border: 1px solid rgba(0,168,255,0.2);
    border-radius: 4px;
    font-size: 12px;
    color: var(--primary);
}

/* 移动端菜单样式 */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    cursor: pointer;
    z-index: 1200;
    position: relative;
    margin-left: auto;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--primary);
    margin: 4px 0;
    transition: all 0.3s ease;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 36, 63, 0.98);
    backdrop-filter: blur(15px);
    transform: translateY(-100%);
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    padding: 20px;
    opacity: 0;
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    box-shadow: 0 15px 40px rgba(0, 180, 255, 0.2);
}

.mobile-menu a {
    display: block;
    padding: 15px 20px;
    margin: 10px 0;
    color: white;
    text-decoration: none;
    font-size: 1.1em;
    border-radius: 8px;
    background: rgba(0, 180, 255, 0.1);
    transition: all 0.3s ease;
    text-align: center;
}

.mobile-menu a:hover {
    background: rgba(0, 180, 255, 0.2);
    color: #00e0e0;
    transform: translateX(5px);
}

/* Hero区域样式 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.hero-content {
    max-width: 900px;
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: rgba(0,168,255,0.1);
    border: 1px solid rgba(0,168,255,0.2);
    border-radius: 20px;
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 20px;
    animation: fadeInUp 0.6s ease-out;
}

.hero h1 {
    font-size: 4.5em;
    margin-bottom: 20px;
    line-height: 1.1;
    animation: fadeInUp 0.6s ease-out 0.2s forwards;
    opacity: 0;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, #b066ff, #d946ef);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
    display: inline-block;
    animation: pulse 2s infinite alternate, float 3s ease-in-out infinite;
}

.hero p {
    font-size: 1.2em;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.4s forwards;
    color: rgba(255,255,255,0.9);
}

.hero-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.6s forwards;
}

.cta-button {
    display: inline-block;
    padding: 16px 42px;
    background: linear-gradient(135deg, #b066ff, #d946ef);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(176, 102, 255, 0.3);
    border: none;
    position: relative;
    overflow: hidden;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 25px rgba(0, 180, 255, 0.4);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: all 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.secondary-button {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: rgba(255,255,255,0.1);
    color: white;
    text-decoration: none;
    border-radius: 30px;
    font-weight: bold;
    transition: all 0.3s;
}

.secondary-button:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

/* 统计卡片样式 */
.hero-stats {
    display: flex;
    gap: 30px;
    opacity: 0;
    animation: fadeInUp 0.6s ease-out 0.8s forwards;
    width: 100%;
    justify-content: space-between;
    margin: 40px 0;
}

.horizontal-stats {
    flex-direction: row;
    align-items: stretch;
}

.horizontal-stats .hero-stat {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 30px;
    text-align: left;
}

.horizontal-stats .stat-content {
    display: flex;
    gap: 20px;
    align-items: center;
}

.horizontal-stats .stat-icon {
    font-size: 2.5em;
    margin-bottom: 0;
    flex-shrink: 0;
}

.horizontal-stats .stat-text {
    display: flex;
    flex-direction: column;
}

.horizontal-stats .hero-stat-number {
    font-size: 2.2em;
}

.horizontal-stats .hero-stat-label {
    font-size: 1em;
    margin-bottom: 5px;
}

.horizontal-stats .stat-desc {
    font-size: 0.85em;
    margin-top: 5px;
    line-height: 1.4;
}

.hero-stat:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 180, 255, 0.2);
}

.stat-icon {
    font-size: 2em;
    color: var(--primary);
    margin-bottom: 10px;
}

.hero-stat-number {
    font-size: 2.4em;
    font-weight: bold;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.2;
    margin: 5px 0;
}

.hero-stat-label {
    font-size: 1.1em;
    color: rgba(255,255,255,0.9);
    letter-spacing: 0.5px;
    font-weight: 500;
    margin-bottom: 10px;
}

.stat-desc {
    font-size: 0.9em;
    color: rgba(255,255,255,0.7);
    line-height: 1.5;
    margin-top: 10px;
}

/* 特性区域样式 */
.features {
    padding: 100px 0;
}

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

.section-title h2 {
    font-size: 2.5em;
    margin-bottom: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-title p {
    font-size: 1.1em;
    color: rgba(255,255,255,0.8);
}

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

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    transition: all 0.3s;
    border: 1px solid rgba(0, 180, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 180, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 40px rgba(0, 180, 255, 0.15);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(0,168,255,0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s;
}

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

.feature-card h3 {
    font-size: 1.5em;
    margin-bottom: 15px;
}

.feature-card p {
    color: rgba(255,255,255,0.8);
    margin-bottom: 20px;
}

.feature-icon {
    position: relative;
    width: 60px;
    height: 60px;
    background: rgba(0,168,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5em;
    color: var(--primary);
}

.feature-more {
    margin-top: 20px;
}

.feature-more a {
    color: var(--primary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9em;
    transition: all 0.3s;
}

.feature-more a:hover {
    gap: 12px;
}

/* 技术展示区域样式 */
.tech {
    padding: 120px 0;
    background: linear-gradient(to bottom, rgba(0,168,255,0.05), transparent);
    position: relative;
}

.tech-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 60px;
}

.tech-diagram {
    position: relative;
}

.diagram-container {
    position: relative;
    width: 100%;
    height: 400px;
}

.diagram-node {
    position: absolute;
    width: 110px;
    height: 110px;
    background: rgba(0,168,255,0.05);
    border: 1px solid rgba(0,168,255,0.3);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease-out;
    box-shadow: 0 0 15px rgba(0,168,255,0.1);
    backdrop-filter: blur(5px);
}

.diagram-node:hover {
    background: rgba(0,168,255,0.1);
    transform: scale(1.15);
    box-shadow: 0 0 25px rgba(0,168,255,0.2);
    border-color: rgba(0,168,255,0.5);
}

.node-center {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 140px;
    height: 140px;
    background: rgba(0,168,255,0.1);
    z-index: 2;
    box-shadow: 0 0 30px rgba(0,168,255,0.2);
}

.node-1 {
    top: 10%;
    left: 15%;
}

.node-2 {
    top: 10%;
    right: 15%;
}

.node-3 {
    bottom: 10%;
    left: 15%;
}

.node-4 {
    bottom: 10%;
    right: 15%;
}

.node-5 {
    top: 50%;
    right: 5%;
}

.node-icon {
    font-size: 2em;
    color: var(--primary);
    margin-bottom: 10px;
    text-shadow: 0 0 10px rgba(0,168,255,0.5);
    transition: all 0.3s ease;
}

.diagram-node:hover .node-icon {
    transform: scale(1.2);
    color: #00e0e0;
}

.node-label {
    font-size: 0.9em;
    color: var(--light);
    font-weight: 500;
    text-align: center;
    padding: 0 5px;
}

.diagram-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='100%25' height='100%25' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient id='grad' x1='0%25' y1='0%25' x2='100%25' y2='0%25'%3E%3Cstop