/* 重置和基础样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    overflow-x: hidden;
}

/* 背景动画 */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

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

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: -2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    top: 80%;
    left: 20%;
    animation-delay: -4s;
}

.shape-4 {
    width: 100px;
    height: 100px;
    top: 30%;
    right: 30%;
    animation-delay: -1s;
}

.shape-5 {
    width: 140px;
    height: 140px;
    top: 10%;
    right: 5%;
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
        opacity: 0.7;
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
        opacity: 0.3;
    }
}

/* 主容器 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

/* 头部导航 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    margin: 20px 0;
    padding: 15px 30px;
    transition: all 0.3s ease;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.2rem;
    color: white;
}

.header.scrolled .logo {
    color: #1a1a1a;
}

.logo-icon {
    font-size: 1.5rem;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.header.scrolled .nav-link {
    color: #666;
}

.nav-link:hover {
    color: white;
    transform: translateY(-2px);
}

.header.scrolled .nav-link:hover {
    color: #667eea;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: white;
    transition: width 0.3s ease;
}

.header.scrolled .nav-link::after {
    background: #667eea;
}

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

/* 英雄区域 */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 80px 0;
    min-height: 80vh;
}

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

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
    line-height: 1.1;
}

.domain-name {
    display: block;
    background: linear-gradient(135deg, #fff 0%, #f0f0f0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(255, 255, 255, 0.5);
}

.title-subtitle {
    display: block;
    font-size: 1.5rem;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 10px;
}

.hero-description {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 20px;
    align-items: center;
}

/* 按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(102, 126, 234, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
}

/* 英雄视觉区域 */
.hero-visual {
    animation: slideInRight 1s ease-out;
}

.domain-showcase {
    position: relative;
}

.browser-mockup {
    background: white;
    border-radius: 15px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.browser-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.browser-header {
    background: #f5f5f5;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid #e0e0e0;
}

.browser-dots {
    display: flex;
    gap: 8px;
}

.browser-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ddd;
}

.browser-dots span:nth-child(1) { background: #ff5f57; }
.browser-dots span:nth-child(2) { background: #ffbd2e; }
.browser-dots span:nth-child(3) { background: #28ca42; }

.address-bar {
    flex: 1;
    background: white;
    padding: 8px 15px;
    border-radius: 8px;
    font-family: 'Monaco', monospace;
    font-size: 0.9rem;
    color: #666;
}

.protocol {
    color: #999;
}

.domain {
    color: #667eea;
    font-weight: 600;
}

.browser-content {
    padding: 40px 30px;
    height: 200px;
}

.content-placeholder {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.placeholder-line {
    height: 12px;
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    border-radius: 6px;
    animation: shimmer 2s infinite;
}

.placeholder-line.long { width: 100%; }
.placeholder-line.medium { width: 70%; }
.placeholder-line.short { width: 40%; }

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

/* 区域样式 */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 15px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
}

/* 关于域名 */
.about {
    padding: 100px 0;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    transform: translateY(30px);
}

.about-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.about-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    margin-bottom: 20px;
}

.about-card ul {
    list-style: none;
    text-align: left;
}

.about-card li {
    color: rgba(255, 255, 255, 0.9);
    padding: 8px 0;
    position: relative;
    padding-left: 20px;
}

.about-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #4ade80;
    font-weight: bold;
}

/* 特色优势 */
.features {
    padding: 100px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px 30px;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0;
    transform: translateY(30px);
}

.feature-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.feature-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2), rgba(255, 255, 255, 0.1));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    color: white;
}

.feature-card h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: white;
    margin-bottom: 15px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
}

/* 联系我们 */
.contact {
    padding: 100px 0;
}

.contact-container {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    padding: 60px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-content {
    text-align: center;
}

.contact-info h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 20px;
}

.contact-info p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    line-height: 1.8;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 20px;
    transition: all 0.3s ease;
    opacity: 0;
    transform: translateY(30px);
}

.contact-method.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.contact-method:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.method-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.method-content h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 5px;
}

.contact-link {
    color: #4ade80;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #22c55e;
}

.method-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.contact-cta {
    margin-top: 40px;
}

/* 页脚 */
.footer {
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 50px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 40px 0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 600;
    color: white;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-top: 5px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 20px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

/* 动画 */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }

    .header {
        flex-direction: column;
        gap: 20px;
        padding: 20px;
    }

    .nav {
        gap: 20px;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 60px 0;
        text-align: center;
    }

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

    .hero-actions {
        justify-content: center;
        flex-wrap: wrap;
    }

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

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

    .contact-container {
        padding: 40px 20px;
    }

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

    .contact-method {
        text-align: left;
    }

    .footer-content {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

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

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 15px 30px;
        font-size: 1rem;
    }

    .about-card,
    .feature-card {
        padding: 30px 20px;
    }

    .contact-info h2 {
        font-size: 2rem;
    }
}

/* 高对比度和可访问性 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 打印样式 */
@media print {
    .background-animation,
    .floating-shapes {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .hero,
    .about,
    .features,
    .contact {
        background: white;
        color: black;
    }
}