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

:root {
    --primary-color: #00d4ff;
    --secondary-color: #7b2cbf;
    --accent-color: #ff006e;
    --dark-bg: #0a0e27;
    --dark-secondary: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #b8b8b8;
    --gradient-1: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-2: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-3: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 导航栏 */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(10, 14, 39, 0.8);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 14, 39, 0.95);
    box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-img {
    height: 50px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.2rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1;
}

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

.nav-menu a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-3);
    transition: width 0.3s ease;
}

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

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Hero 区域 */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: radial-gradient(ellipse at top, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(ellipse at bottom, rgba(123, 44, 191, 0.1) 0%, transparent 50%);
}

.particles {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.6;
    animation: float 15s infinite ease-in-out;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100vh) translateX(50px);
        opacity: 0;
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

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

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 100%;
    min-height: 500px;
}

.hero-logo-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    perspective: 1000px;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-logo-img {
    max-width: 500px;
    width: 100%;
    height: auto;
    object-fit: contain;
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 10px 40px rgba(0, 212, 255, 0.4));
    animation: wingFlap 3s ease-in-out infinite, floatLogo 6s ease-in-out infinite;
    transform-style: preserve-3d;
}

/* 翅膀扇动动画 - 使用3D旋转模拟翅膀扇动 */
@keyframes wingFlap {
    0%, 100% {
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1);
    }
    25% {
        transform: perspective(1000px) rotateY(-5deg) rotateX(2deg) scale(1.02);
    }
    50% {
        transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1);
    }
    75% {
        transform: perspective(1000px) rotateY(5deg) rotateX(-2deg) scale(1.02);
    }
}

/* 浮动动画 */
@keyframes floatLogo {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* 光效动画 */
.logo-glow {
    position: absolute;
    width: 120%;
    height: 120%;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: glowPulse 3s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

/* 翅膀阴影效果 */
.wing-shadow {
    position: absolute;
    width: 60%;
    height: 40%;
    background: radial-gradient(ellipse, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
    z-index: 0;
    border-radius: 50%;
    animation: wingShadowMove 3s ease-in-out infinite;
}

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

.wing-right {
    top: 20%;
    right: -10%;
    animation-delay: 0.15s;
}

@keyframes wingShadowMove {
    0%, 100% {
        transform: translateX(0) translateY(0) scale(1);
        opacity: 0.3;
    }
    25% {
        transform: translateX(-15px) translateY(-10px) scale(1.1);
        opacity: 0.5;
    }
    50% {
        transform: translateX(0) translateY(0) scale(1);
        opacity: 0.3;
    }
    75% {
        transform: translateX(15px) translateY(-10px) scale(1.1);
        opacity: 0.5;
    }
}

.hero-title {
    font-size: 3.5rem;
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.title-line {
    display: block;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% {
        background: var(--gradient-3);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    50% {
        background: var(--gradient-1);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 300;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.8rem 2rem;
    border: none;
    border-radius: 30px;
    font-size: 1rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    font-weight: 500;
}

.btn-primary {
    background: var(--gradient-3);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.6);
}

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

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.hero-visual {
    position: relative;
    height: 500px;
}

.floating-shapes {
    position: relative;
    width: 100%;
    height: 100%;
}

.shape {
    position: absolute;
    border-radius: 20px;
    opacity: 0.8;
}

.shape-1 {
    width: 200px;
    height: 200px;
    background: var(--gradient-1);
    top: 20%;
    left: 10%;
    animation: floatShape 6s ease-in-out infinite;
}

.shape-2 {
    width: 150px;
    height: 150px;
    background: var(--gradient-2);
    top: 50%;
    right: 20%;
    animation: floatShape 8s ease-in-out infinite reverse;
}

.shape-3 {
    width: 100px;
    height: 100px;
    background: var(--gradient-3);
    bottom: 20%;
    left: 30%;
    animation: floatShape 7s ease-in-out infinite;
}

@keyframes floatShape {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-30px) rotate(180deg);
    }
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.mouse {
    width: 30px;
    height: 50px;
    border: 2px solid var(--primary-color);
    border-radius: 15px;
    position: relative;
}

.mouse::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--primary-color);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(20px);
    }
}

/* 通用区块样式 */
section {
    padding: 5rem 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* 关于我们 */
.about {
    background: var(--dark-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-intro {
    font-size: 1.1rem;
    line-height: 2;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    text-align: center;
}

.about-intro strong {
    color: var(--primary-color);
}

.about-philosophy h3 {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-primary);
}

.philosophy-items {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.philosophy-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;
}

.philosophy-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
}

.philosophy-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.philosophy-item h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.philosophy-item p {
    color: var(--text-secondary);
}

/* 服务领域 */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--dark-secondary);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-3);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 0;
}

.service-card:hover::before {
    opacity: 0.05;
}

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

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

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    animation: bounce 2s infinite;
}

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

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

.service-card > p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

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

.service-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

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

/* 核心优势 */
.advantages {
    background: var(--dark-secondary);
}

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

.advantage-item {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.advantage-number {
    font-size: 4rem;
    font-weight: bold;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.3;
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 0;
}

.advantage-item h3 {
    font-size: 1.5rem;
    margin: 1rem 0;
    color: var(--primary-color);
    position: relative;
    z-index: 1;
}

.advantage-item p {
    color: var(--text-secondary);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* 联系我们 */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--dark-secondary);
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-color: var(--primary-color);
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

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

.contact-form-wrapper {
    background: var(--dark-secondary);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 212, 255, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

/* 页脚 */
.footer {
    background: var(--dark-secondary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo-img {
    max-width: 200px;
    width: 100%;
    height: auto;
    object-fit: contain;
    margin-bottom: 1rem;
    opacity: 0.9;
    transition: opacity 0.3s ease;
}

.footer-logo-img:hover {
    opacity: 1;
}

.footer-logo h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    background: var(--gradient-3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo p {
    color: var(--text-secondary);
}

.footer-links h4,
.footer-info h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

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

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

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

.footer-info p {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.8;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    color: var(--text-secondary);
}

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

/* 响应式设计 */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        gap: 0;
    }

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

    .nav-menu li {
        padding: 1rem 0;
    }

    .hamburger {
        display: flex;
    }

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

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

    .hero-visual {
        min-height: 400px;
        margin-top: 2rem;
    }

    .hero-logo-img {
        max-width: 350px;
    }

    .logo-img {
        height: 40px;
    }

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

    .philosophy-items {
        grid-template-columns: 1fr;
    }

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

    .advantages-content {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-visual {
        min-height: 300px;
    }

    .hero-logo-img {
        max-width: 280px;
    }

    .logo-img {
        height: 35px;
    }

    .logo-text {
        font-size: 1.2rem;
    }

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

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

    .hero-buttons {
        justify-content: center;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    section {
        padding: 3rem 0;
    }

    .hero-visual {
        min-height: 250px;
    }

    .hero-logo-img {
        max-width: 220px;
    }

    .logo-img {
        height: 30px;
    }

    .logo-text {
        font-size: 1rem;
    }

    .logo-subtitle {
        font-size: 0.8rem;
    }

    .footer-logo-img {
        max-width: 150px;
    }

    .service-card,
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}