/* ==================== 基础样式 ==================== */
:root {
    --primary-color: #8b5cf6;
    --secondary-color: #6366f1;
    --accent-color: #ec4899;
    --bg-dark: #0a0a0f;
    --bg-darker: #050507;
    --bg-card: rgba(20, 20, 30, 0.6);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: rgba(139, 92, 246, 0.2);
    --glow-color: rgba(139, 92, 246, 0.4);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ==================== 导航栏 ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
}

.logo-icon {
    font-size: 2rem;
    filter: drop-shadow(0 0 10px var(--glow-color));
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    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(--text-primary);
}

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

.nav-link-hot {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.hot-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    color: white;
    font-size: 0.7rem;
    border-radius: 10px;
    font-weight: 700;
    animation: pulse-hot 2s infinite;
    box-shadow: 0 2px 8px rgba(255, 71, 87, 0.4);
}

@keyframes pulse-hot {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 2px 8px rgba(255, 71, 87, 0.4);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 4px 12px rgba(255, 71, 87, 0.6);
    }
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px var(--glow-color);
}

/* ==================== Hero Section ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    padding-bottom: 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: radial-gradient(circle at 50% 50%, rgba(139, 92, 246, 0.1), transparent 50%);
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    animation: float 20s infinite ease-in-out;
    opacity: 0.6;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.4), transparent);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.4), transparent);
    bottom: -10%;
    right: -10%;
    animation-delay: -5s;
}

.orb-3 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.3), transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(50px, -50px) scale(1.1);
    }
    66% {
        transform: translate(-50px, 50px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

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

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.9rem;
    margin-bottom: 2.5rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 2.5rem;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 3.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.hero-tags {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 4.5rem;
    flex-wrap: wrap;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.85rem 2rem;
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.3), rgba(99, 102, 241, 0.3));
    border: 2px solid var(--primary-color);
    border-radius: 28px;
    font-size: 1rem;
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(139, 92, 246, 0.4);
    position: relative;
    overflow: hidden;
}

.hero-tag::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;
}

.hero-tag:hover::before {
    left: 100%;
}

.hero-tag:hover {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.5), rgba(99, 102, 241, 0.5));
    border-color: var(--accent-color);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.6);
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn-hero-primary {
    position: relative;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border: none;
    padding: 1.1rem 2.8rem;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.btn-hero-primary::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-hero-primary:hover::before {
    transform: translateX(100%);
}

.btn-hero-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 40px var(--glow-color);
}

.btn-hero-secondary {
    background: transparent;
    color: white;
    border: 2px solid var(--border-color);
    padding: 1.1rem 2.8rem;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.btn-hero-secondary:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.btn-hero-tertiary {
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    color: white;
    border: none;
    padding: 1.1rem 2.8rem;
    border-radius: 16px;
    font-size: 1.05rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-hero-tertiary:hover {
    background: linear-gradient(135deg, #ff4757, #ff3838);
    transform: translateY(-3px);
    box-shadow: 0 20px 40px rgba(255, 71, 87, 0.4);
}

.btn-hero-highlight {
    position: relative;
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    color: white;
    border: none;
    padding: 1.2rem 3rem;
    border-radius: 16px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.4s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 8px 30px rgba(255, 71, 87, 0.5);
    animation: pulse-glow-hero 2s infinite;
}

.btn-hero-highlight::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-hero-highlight:hover::before {
    transform: translateX(100%);
}

.btn-hero-highlight:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 25px 50px rgba(255, 71, 87, 0.6);
    background: linear-gradient(135deg, #ff4757, #ff3838);
}

@keyframes pulse-glow-hero {
    0%, 100% {
        box-shadow: 0 8px 30px rgba(255, 71, 87, 0.5);
    }
    50% {
        box-shadow: 0 12px 40px rgba(255, 71, 87, 0.7);
    }
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    margin-top: 0.5rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.3rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

/* ==================== Blur Text 效果 ==================== */
.blur-text {
    display: inline-block;
}

.blur-text .char {
    display: inline-block;
    opacity: 0;
    filter: blur(10px);
    transform: translateY(-20px);
    animation: blurIn 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

@keyframes blurIn {
    to {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
}

.gradient-text .char {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== 功能特性 ==================== */
.features {
    padding: 8rem 0;
    position: relative;
}

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

.section-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(139, 92, 246, 0.15), transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: 0 20px 60px rgba(139, 92, 246, 0.3);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    filter: drop-shadow(0 0 20px var(--glow-color));
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ==================== 软件预览 ==================== */
.preview {
    padding: 8rem 0;
    background: linear-gradient(180deg, transparent, rgba(139, 92, 246, 0.05), transparent);
}

.preview-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 3rem;
}

.preview-item {
    animation: fadeInScale 0.8s ease-out;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.preview-card {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.preview-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 80px rgba(139, 92, 246, 0.4);
    border-color: var(--primary-color);
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.preview-card:hover .preview-image {
    transform: scale(1.05);
}

.preview-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(10, 10, 15, 0.95));
    display: flex;
    align-items: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.preview-card:hover .preview-overlay {
    opacity: 1;
}

.preview-info h3 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.preview-info p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

/* ==================== 下载区域 ==================== */
.download {
    padding: 8rem 0;
}

.download-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: 4rem;
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.download-card::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.2), transparent);
    top: -250px;
    right: -250px;
    animation: pulse 4s infinite;
}

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

.download-content {
    position: relative;
    z-index: 1;
}

.download-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.download-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.btn-download-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 1.5rem 2rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.4s ease;
    width: 100%;
    max-width: 400px;
    color: white;
}

.btn-download-primary:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(139, 92, 246, 0.5);
}

.btn-download-secondary {
    background: transparent;
    border: 2px solid var(--border-color);
    padding: 1.5rem 2rem;
    border-radius: 20px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.4s ease;
    width: 100%;
    max-width: 400px;
    color: white;
    backdrop-filter: blur(10px);
}

.btn-download-secondary:hover {
    transform: translateY(-5px);
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 20px 40px rgba(139, 92, 246, 0.3);
}

.btn-download-highlight {
    background: linear-gradient(135deg, #ff6b6b, #ff4757);
    border: none;
    padding: 2rem 3rem;
    border-radius: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all 0.4s ease;
    width: 100%;
    max-width: 500px;
    color: white;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(255, 71, 87, 0.5);
    animation: pulse-glow 2s infinite;
}

.btn-download-highlight::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.btn-download-highlight:hover::before {
    transform: translateX(100%);
}

.btn-download-highlight:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 30px 60px rgba(255, 71, 87, 0.6);
    background: linear-gradient(135deg, #ff4757, #ff3838);
}

.btn-download-highlight .download-icon {
    font-size: 3rem;
    animation: bounce 2s infinite;
}

.btn-download-highlight .download-main {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.btn-download-highlight .download-sub {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 10px 40px rgba(255, 71, 87, 0.5);
    }
    50% {
        box-shadow: 0 15px 50px rgba(255, 71, 87, 0.7);
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

.download-icon {
    font-size: 2.5rem;
}

.download-main {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.download-sub {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.download-info {
    display: flex;
    gap: 2rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.download-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 1.5rem 2rem;
    backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: floatCard 6s infinite ease-in-out;
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 10%;
    animation-delay: -2s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: -4s;
}

@keyframes floatCard {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(2deg);
    }
}

.mini-icon {
    font-size: 2rem;
}

.mini-text {
    font-weight: 600;
    color: white;
}

/* ==================== 页脚 ==================== */
.footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-darker);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 300px;
}

.footer-description {
    color: var(--text-secondary);
    margin-top: 1rem;
    line-height: 1.8;
}

.footer-column h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.footer-column a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.3s ease;
}

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

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

/* ==================== 响应式设计 ==================== */
@media (max-width: 968px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .download-card {
        grid-template-columns: 1fr;
    }
    
    .download-visual {
        display: none;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 2rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .preview-gallery {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* ==================== 滚动效果 ==================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

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

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--secondary-color), var(--accent-color));
}