* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

:root {
    --primary: #7C3AED;
    --primary-dark: #6D28D9;
    --primary-light: #8B5CF6;
    --secondary: #06D6A0;
    --accent: #EF476F;
    --light: #F8FAFC;
    --dark: #0F172A;
    --gray: #64748B;
    --success: #10B981;
    --glass: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
}

html {
    scroll-behavior: smooth;
}

body {
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    color: var(--light);
    overflow-x: hidden;
    line-height: 1.6;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(to bottom, var(--primary), var(--secondary));
    border-radius: 5px;
}

/* 加载动画 */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--dark);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.8s, visibility 0.8s;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-spinner {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary);
    animation: spin 1.5s linear infinite;
    position: relative;
}

.loader-spinner::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border: 4px solid transparent;
    border-radius: 50%;
    border-top-color: var(--secondary);
    animation: spin 2s linear infinite;
}

.loader-text {
    margin-top: 20px;
    font-size: 1.2rem;
    font-weight: 500;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: pulse 2s infinite;
}

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

/* 导航栏样式 */
header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transition: all 0.4s ease;
    border-bottom: 1px solid var(--glass-border);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--light);
    text-decoration: none;
    display: flex;
    align-items: center;
    position: relative;
}

.logo i {
    margin-right: 10px;
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: rotate 10s linear infinite;
}

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

.nav-links li {
    margin-left: 30px;
    position: relative;
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 3px;
    bottom: 0;
    left: 0;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.4s ease;
    border-radius: 2px;
}

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

.nav-cta {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    padding: 12px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(124, 58, 237, 0.4);
    position: relative;
    overflow: hidden;
}

.nav-cta::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: 0.5s;
}

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

.nav-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(124, 58, 237, 0.6);
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--light);
}

/* 英雄区域样式 */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(6, 214, 160, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(239, 71, 111, 0.1) 0%, transparent 50%);
    z-index: -1;
}

.hero-content {
    max-width: 700px;
    z-index: 2;
    position: relative;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 20px;
    line-height: 1.1;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 0.5s;
    background: linear-gradient(135deg, var(--light) 0%, var(--secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 0.7s;
    color: #CBD5E1;
}

.btn {
    display: inline-block;
    padding: 16px 40px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: white;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 1s ease forwards 0.9s;
    box-shadow: 0 5px 15px rgba(124, 58, 237, 0.4);
    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, 0.2), transparent);
    transition: 0.5s;
}

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

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(124, 58, 237, 0.5);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--glass-border);
    margin-left: 15px;
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--glass);
    border-color: var(--primary);
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: url('/asset/img/hero.jpg') no-repeat center center/cover;
    opacity: 0.3;
    clip-path: polygon(25% 0%, 100% 0%, 100% 100%, 0% 100%);
    animation: floatImage 20s ease-in-out infinite;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    overflow: hidden;
    z-index: -1;
}

.floating-element {
    position: absolute;
    background: var(--glass);
    border-radius: 50%;
    animation: float 15s infinite linear;
    backdrop-filter: blur(5px);
    border: 1px solid var(--glass-border);
}

/* 特性区域样式 */
.features {
    padding: 150px 0;
    position: relative;
}

.section-title {
    text-align: center;
    margin-bottom: 100px;
}

.section-title h2 {
    font-size: 3rem;
    color: var(--light);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    font-weight: 700;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 100px;
    height: 5px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 5px;
}

.section-title p {
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1.2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--glass);
    border-radius: 20px;
    padding: 50px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    transition: all 0.4s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
    opacity: 0;
    transform: translateY(30px);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(124, 58, 237, 0.1) 0%, rgba(6, 214, 160, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.feature-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    color: white;
    font-size: 2.5rem;
    box-shadow: 0 10px 20px rgba(124, 58, 237, 0.3);
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
}

.feature-card:hover .feature-icon {
    transform: rotateY(180deg) scale(1.1);
}

.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--light);
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: #CBD5E1;
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

/* 作品集区域样式 */
.portfolio {
    padding: 150px 0;
    position: relative;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 30px;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    height: 350px;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.4s ease;
}

.portfolio-item:hover {
    transform: translateY(-15px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(15, 23, 42, 0.9));
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: white;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.8rem;
    margin-bottom: 10px;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay h3 {
    transform: translateY(0);
}

.portfolio-overlay p {
    transform: translateY(20px);
    transition: transform 0.4s ease 0.1s;
    opacity: 0.8;
}

.portfolio-item:hover .portfolio-overlay p {
    transform: translateY(0);
}

/* 联系区域样式 */
.contact {
    padding: 150px 0;
    position: relative;
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 60px;
}

.contact-info h3 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--light);
    font-weight: 700;
}

.contact-info p {
    color: #CBD5E1;
    margin-bottom: 30px;
    line-height: 1.7;
    font-size: 1.1rem;
}

.contact-details {
    margin-bottom: 30px;
}

.contact-detail {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-detail i {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    color: white;
    font-size: 1.5rem;
    box-shadow: 0 5px 15px rgba(124, 58, 237, 0.3);
}

.contact-form {
    background: var(--glass);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--light);
}

.form-control {
    width: 100%;
    padding: 18px 20px;
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(15, 23, 42, 0.5);
    color: var(--light);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

textarea.form-control {
    min-height: 150px;
    resize: vertical;
}

/* 页脚样式 */
footer {
    background: linear-gradient(135deg, #0A0F1C 0%, #131B2E 100%);
    color: white;
    padding: 100px 0 30px;
    position: relative;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-column h3 {
    font-size: 1.5rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    font-weight: 700;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    bottom: 0;
    left: 0;
}

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

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #94A3B8;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    padding-left: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: white;
    padding-left: 10px;
}

.footer-links a::before {
    content: '▸';
    position: absolute;
    left: -10px;
    opacity: 0;
    transition: all 0.3s ease;
}

.footer-links a:hover::before {
    opacity: 1;
    left: 0;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all 0.3s ease;
    font-size: 1.3rem;
}

.social-links a:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: translateY(-5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #94A3B8;
    font-size: 0.9rem;
}

/* 动画关键帧 */
@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}