:root {
    --primary-color: #FF69B4;
    --secondary-color: #FFB7C5;
    --background-color: #FFF5F6;
    --text-color: #333;
    --shadow-color: rgba(255, 105, 180, 0.2);
}

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

body {
    font-family: 'Noto Sans SC', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    overflow-x: hidden;
}

.floating-paws {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

/* Header Styles */
.header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo img {
    width: 40px;
    height: 40px;
}

.logo span {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2rem;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.nav-links a:hover {
    background: rgba(0, 174, 255, 0.1);
    color: #00AEFF;
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #FFF5F6 0%, #FFE4E8 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23FFB7C5" fill-opacity="0.2" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') repeat-x bottom;
    animation: wave 20s linear infinite;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23FF69B4" fill-opacity="0.1" d="M0,160L48,144C96,128,192,96,288,106.7C384,117,480,171,576,181.3C672,192,768,160,864,149.3C960,139,1056,149,1152,154.7C1248,160,1344,160,1392,160L1440,160L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') repeat-x bottom;
    animation: wave 15s linear infinite reverse;
    z-index: 2;
}

.hero-decorations {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 3;
}

.floating-element {
    position: absolute;
    opacity: 0.1;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: -2s;
}

.floating-element:nth-child(3) {
    top: 30%;
    right: 30%;
    animation-delay: -4s;
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 4;
}

.animate-title {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards;
}

.animate-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.3s;
}

.animate-button {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s ease forwards 0.6s;
}

/* Features Section */
.features {
    padding: 6rem 2rem;
    background-color: white;
}

.features h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow-color);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

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

/* Quickstart Section */
.quickstart {
    padding: 6rem 2rem;
    background: white;
    text-align: center;
}

.quickstart h2 {
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.steps-container {
    max-width: 1200px;
    margin: 0 auto 4rem;
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow-color);
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    position: relative;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: #00AEFF;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 174, 255, 0.3);
}

.step-content h3 {
    color: #00AEFF;
    margin: 1rem 0;
    font-size: 1.5rem;
}

.step-content p {
    color: #666;
    margin-bottom: 1.5rem;
}

.step-image {
    margin-top: 1.5rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.step-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 10px;
}

/* Shortcuts Section */
.shortcuts-info {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow-color);
}

.shortcuts-info h3 {
    color: #00AEFF;
    margin-bottom: 2rem;
    font-size: 1.8rem;
}

.shortcuts-grid {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-bottom: 2rem;
}

.shortcut-card {
    text-align: center;
}

.key {
    display: inline-block;
    background: #00AEFF;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    min-width: 60px;
    box-shadow: 0 4px 15px rgba(0, 174, 255, 0.3);
}

.shortcuts-tip {
    color: #666;
    font-style: italic;
    margin-top: 1rem;
}

/* Download Section */
.download {
    padding: 6rem 2rem;
    background: linear-gradient(135deg, #FFF5F6 0%, #FFE4E8 100%);
    text-align: center;
}

.download h2 {
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.download-container {
    max-width: 600px;
    margin: 0 auto;
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 5px 20px var(--shadow-color);
}

.version-info {
    margin-bottom: 2rem;
    color: #666;
}

.version-info .version {
    font-size: 1.2rem;
    font-weight: 500;
    color: #00AEFF;
    margin-bottom: 0.5rem;
}

.version-info .update-date {
    font-size: 0.9rem;
    opacity: 0.8;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #00AEFF;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 174, 255, 0.3);
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 174, 255, 0.4);
    background: #0095FF;
}

.primary-button .paw-icon {
    font-size: 1.2rem;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #00AEFF;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 174, 255, 0.3);
}

.download-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 174, 255, 0.4);
    background: #0095FF;
}

/* About Section */
.about {
    padding: 6rem 2rem;
    background-color: white;
    text-align: center;
}

.about h2 {
    color: var(--primary-color);
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

/* Footer */
.footer {
    background: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
}

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

/* Floating Paws Animation */
@keyframes floatPaw {
    0% {
        transform: translate(0, 0) rotate(0deg);
        opacity: 0;
    }
    50% {
        opacity: 0.6;
    }
    100% {
        transform: translate(var(--translate-x), var(--translate-y)) rotate(var(--rotate));
        opacity: 0;
    }
}

@keyframes wave {
    0% {
        background-position-x: 0;
    }
    100% {
        background-position-x: 1440px;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* 添加鼠标移动视差效果 */
.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.parallax-dot {
    position: absolute;
    background: #FFB7C5;
    border-radius: 50%;
    opacity: 0.1;
    transition: transform 0.2s ease-out;
}

.scroll-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #00AEFF;
    color: white;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 174, 255, 0.3);
}

.scroll-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 174, 255, 0.4);
    background: #0095FF;
}

.scroll-button .paw-icon {
    font-size: 1.2rem;
}

.download-count {
    font-size: 1rem;
    color: #666;
    margin-top: 0.5rem;
}

.download-count span {
    color: #00AEFF;
    font-weight: 500;
}