* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00d4ff;
    --secondary-color: #0099cc;
    --accent-color: #00ff88;
    --dark-bg: #0a0e27;
    --darker-bg: #050810;
    --text-light: #ffffff;
    --text-gray: #b0b8c4;
}

html {
    scroll-behavior: auto;
    height: 100%;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-light);
    overflow-x: hidden;
    overflow-y: hidden;
    line-height: 1.6;
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    width: 100vw;
    position: relative;
    margin: 0;
    padding: 0;
    perspective: 2000px;
    perspective-origin: center center;
}

/* 科技感网格背景 */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: 0;
    pointer-events: none;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

/* 翻页滚动容器 */
.page-container {
    position: relative;
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
    min-height: 100vh;
    overflow: visible;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(15px);
    padding: 1rem 0;
    z-index: 1000;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.98);
    box-shadow: 0 4px 30px rgba(0, 212, 255, 0.2), 0 0 20px rgba(0, 212, 255, 0.1);
    border-bottom: 1px solid rgba(0, 212, 255, 0.3);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transition: width 0.3s ease;
}

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

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

/* 英雄区域 */
.hero {
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
    background-size: 100% 100%;
    position: relative;
    transform-style: preserve-3d;
    box-sizing: border-box;
    padding: 3rem 2rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
    pointer-events: none;
}

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

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

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: float 20s infinite;
    opacity: 0.8;
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
}

.particle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 7px;
    height: 7px;
    border: 1px solid var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.5); opacity: 0.1; }
}

@keyframes float {
    0%, 100% { transform: translateY(0) translateX(0); }
    25% { transform: translateY(-100px) translateX(50px); }
    50% { transform: translateY(-200px) translateX(-50px); }
    75% { transform: translateY(-100px) translateX(100px); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    position: relative;
    padding: 2rem;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color), var(--primary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
    background-size: 200% 200%;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-gray);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s both;
}

.cta-button {
    display: inline-block;
    padding: 1rem 3rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--text-light);
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.3), 0 0 20px rgba(0, 212, 255, 0.2);
    animation: fadeInUp 1s ease 0.6s both;
    position: relative;
    overflow: hidden;
}

.cta-button::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;
}

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

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 20px 50px rgba(0, 212, 255, 0.6), 0 0 40px rgba(0, 212, 255, 0.4);
}

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

/* 内容区域 */
.section {
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: visible;
    position: relative;
    transform-style: preserve-3d;
    background: var(--dark-bg);
    background-size: 100% 100%;
    box-sizing: border-box;
    padding: 0;
}

.section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    min-width: 100vw;
    min-height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    background: radial-gradient(ellipse at center, rgba(0, 212, 255, 0.05) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.section > * {
    position: relative;
    z-index: 1;
}

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
    box-sizing: border-box;
}

.section:not(.hero) > p {
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 2rem;
    box-sizing: border-box;
    text-align: center;
}

/* 关于我们 */
.about {
    background: rgba(0, 212, 255, 0.05);
    border-radius: 24px;
    padding: 4rem;
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 212, 255, 0.25);
    box-shadow: 0 20px 60px rgba(0, 212, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.about::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
    pointer-events: none;
}

.about::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(0, 255, 136, 0.03) 50%, transparent 100%);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.about:hover::after {
    opacity: 1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    width: 100%;
    position: relative;
    z-index: 1;
}

.about-text {
    font-size: 1.15rem;
    color: var(--text-gray);
    line-height: 1.9;
    animation: fadeInUp 0.8s ease-out;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.3;
    animation: gradientShift 3s ease infinite;
    position: relative;
    padding-bottom: 1rem;
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
    animation: expandLine 1s ease-out 0.5s both;
}

@keyframes expandLine {
    from {
        width: 0;
    }
    to {
        width: 60px;
    }
}

@keyframes gradientShift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.about-text p {
    margin-bottom: 1.2rem;
    transition: color 0.3s ease, transform 0.3s ease;
    position: relative;
    padding-left: 1.5rem;
}

.about-text p::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.about-text p:hover::before {
    opacity: 1;
    transform: translateX(0);
}

.about-text p:hover {
    color: var(--text-light);
    transform: translateX(5px);
}

.about-text p strong {
    color: var(--primary-color);
    font-weight: 600;
    position: relative;
}

.about-info-card {
    margin-top: 2.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08), rgba(0, 255, 136, 0.05));
    border-radius: 16px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.about-info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

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

.about-info-card:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 12px 40px rgba(0, 212, 255, 0.2);
}

.about-info-card p {
    margin-bottom: 1rem;
    padding-left: 0;
    position: relative;
    padding-left: 2rem;
}

.about-info-card p:last-child {
    margin-bottom: 0;
}

.about-info-card p::before {
    content: '◆';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-size: 0.8rem;
    opacity: 0.6;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    height: 100%;
}

.about-highlight-item {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(0, 255, 136, 0.08));
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid rgba(0, 212, 255, 0.25);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 24px rgba(0, 212, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.about-highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.15), transparent);
    transition: left 0.6s ease;
}

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

.about-highlight-item:hover {
    transform: translateY(-8px);
    border-color: rgba(0, 212, 255, 0.4);
    box-shadow: 0 12px 32px rgba(0, 212, 255, 0.25);
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.15), rgba(0, 255, 136, 0.12));
}

.about-highlight-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
    filter: drop-shadow(0 0 15px rgba(0, 212, 255, 0.5));
    transition: all 0.3s ease;
    animation: floatIcon 3s ease-in-out infinite;
}

.about-highlight-item:hover .about-highlight-icon {
    opacity: 1;
    filter: drop-shadow(0 0 25px rgba(0, 212, 255, 0.8));
    transform: scale(1.1);
}

@keyframes floatIcon {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-8px);
    }
}

.about-highlight-title {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
}

.about-highlight-item:hover .about-highlight-title {
    color: var(--accent-color);
    transform: scale(1.05);
}

.about-highlight-desc {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    opacity: 0.9;
    transition: all 0.3s ease;
}

.about-highlight-item:hover .about-highlight-desc {
    color: var(--text-light);
    opacity: 1;
}

/* 服务/产品 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    box-sizing: border-box;
}

.service-card {
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 15px;
    padding: 1.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.service-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.4), 0 0 30px rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.1);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-light);
}

.service-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

/* 优势特点 */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    box-sizing: border-box;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.15);
}

/* 联系方式 */
.contact {
    background: rgba(0, 212, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    margin: 0 auto;
    width: 100%;
    max-width: 1200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-sizing: border-box;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 1rem;
    width: 100%;
}

@media (max-width: 768px) {
    .contact-info {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .contact-info {
        grid-template-columns: 1fr;
    }
}

.contact-item {
    padding: 2rem 1.5rem;
    background: rgba(0, 212, 255, 0.05);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.2);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    cursor: pointer;
}

.contact-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 212, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

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

.contact-item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 15px;
    padding: 2px;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.3), rgba(0, 255, 136, 0.3));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.contact-item:hover::after {
    opacity: 1;
}

.contact-item:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--primary-color);
    box-shadow: 0 15px 40px rgba(0, 212, 255, 0.3), 0 0 30px rgba(0, 212, 255, 0.2);
    background: rgba(0, 212, 255, 0.1);
}

.contact-item h4 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
}

.contact-item:hover h4 {
    color: var(--accent-color);
    transform: scale(1.05);
}

.contact-item p {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.contact-item:hover p {
    color: var(--text-light);
}

/* 页脚 */
.footer {
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
    background: var(--darker-bg);
    background-size: 100% 100%;
    padding: 2rem;
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--text-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transform-style: preserve-3d;
    box-sizing: border-box;
    overflow: hidden;
}

/* 滚动指示器 */
.scroll-indicator {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.indicator-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(0, 212, 255, 0.3);
    border: 2px solid rgba(0, 212, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.indicator-dot.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.8), 0 0 40px rgba(0, 212, 255, 0.4);
    transform: scale(1.4);
    animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 212, 255, 0.8), 0 0 40px rgba(0, 212, 255, 0.4); }
    50% { box-shadow: 0 0 30px rgba(0, 212, 255, 1), 0 0 60px rgba(0, 212, 255, 0.6); }
}

.indicator-dot:hover {
    background: rgba(0, 212, 255, 0.6);
    transform: scale(1.2);
}

.indicator-dot::after {
    content: attr(data-section);
    position: absolute;
    right: 25px;
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    color: var(--text-light);
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.indicator-dot:hover::after {
    opacity: 1;
}

/* 滚动提示 */
.scroll-hint {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
    color: var(--text-gray);
    z-index: 10;
    animation: bounce 2s infinite;
}

.scroll-hint::before {
    content: '↓';
    display: block;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-10px); }
}

/* 视差层 */
.parallax-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    min-width: 100vw;
    min-height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    background:
        radial-gradient(circle at 30% 30%, rgba(0, 212, 255, 0.12), transparent 55%),
        radial-gradient(circle at 70% 70%, rgba(0, 255, 136, 0.08), transparent 55%);
    z-index: 0;
    will-change: transform;
    transform: translate3d(0, 0, 0);
    pointer-events: none;
}

/* 滚动动画 */
.fade-in {
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* 3D翻转效果 - 页面包装器 */
.page-wrapper {
    position: absolute;
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    left: 0;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    transition: transform 0.8s cubic-bezier(0.645, 0.045, 0.355, 1);
    transform-origin: center center;
    z-index: 1;
    pointer-events: none;
    overflow: visible;
    box-sizing: border-box;
}

.page-wrapper.active {
    z-index: 10;
    pointer-events: auto;
}

.page-wrapper section,
.page-wrapper footer {
    position: relative;
    width: 100vw;
    min-width: 100vw;
    max-width: 100vw;
    height: 100vh;
    min-height: 100vh;
    max-height: 100vh;
    pointer-events: auto;
    box-sizing: border-box;
    overflow: visible;
}

.page-wrapper.flip-out-up {
    transform: rotateX(-90deg);
    opacity: 0;
}

.page-wrapper.flip-out-down {
    transform: rotateX(90deg);
    opacity: 0;
}

.page-wrapper.flip-in-up {
    animation: flipInUp 0.8s cubic-bezier(0.645, 0.045, 0.355, 1) forwards;
}

.page-wrapper.flip-in-down {
    animation: flipInDown 0.8s cubic-bezier(0.645, 0.045, 0.355, 1) forwards;
}

@keyframes flipInUp {
    from { transform: rotateX(90deg); opacity: 0; }
    to { transform: rotateX(0deg); opacity: 1; }
}

@keyframes flipInDown {
    from { transform: rotateX(-90deg); opacity: 0; }
    to { transform: rotateX(0deg); opacity: 1; }
}

/* 增强光效 */
.glow-effect {
    position: absolute;
    width: 100vw;
    height: 100vh;
    min-width: 100vw;
    min-height: 100vh;
    max-width: 100vw;
    max-height: 100vh;
    top: 0;
    left: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
        rgba(0, 212, 255, 0.1) 0%, 
        transparent 50%);
    pointer-events: none;
    z-index: 1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.section:hover .glow-effect {
    opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .hero-subtitle { font-size: 1.2rem; }
    .nav-links { gap: 1rem; font-size: 0.9rem; }
    .about-content { 
        grid-template-columns: 1fr; 
        gap: 3rem;
    }
    .about {
        padding: 2rem 1.5rem;
    }
    .about-text h3 {
        font-size: 1.5rem;
    }
    .about-highlights {
        gap: 1rem;
    }
    .about-highlight-item {
        padding: 1.5rem;
    }
    .about-highlight-icon {
        font-size: 2.5rem;
        margin-bottom: 0.8rem;
    }
    .about-highlight-title {
        font-size: 1.1rem;
    }
    .about-highlight-desc {
        font-size: 0.85rem;
    }
    .about-info-card {
        padding: 1.5rem;
    }
    .section { padding: 3rem 1rem; }
    .scroll-indicator { right: 15px; }
    .indicator-dot::after { display: none; }
}