@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap');

:root {
    --primary-color: #2962ff;
    --secondary-color: #0039cb;
    --gradient: linear-gradient(135deg, #2962ff 0%, #0039cb 100%);
    --accent-color: #00c853;
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --shadow-light: 0 8px 32px rgba(31, 38, 135, 0.37);
    --shadow-medium: 0 15px 35px rgba(0, 0, 0, 0.1);
    --shadow-heavy: 0 20px 40px rgba(0, 0, 0, 0.15);
}

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

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f2f4f7;
    overflow-x: hidden;
}

/* 粒子背景 */
#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: -1;
    pointer-events: none;
}

header {
    background: var(--gradient);
    padding: 1rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
    backdrop-filter: blur(10px);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.7rem 1.5rem;
    margin: 0 10px;
    border-radius: 25px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-weight: 500;
}

nav ul li a:hover {
    background: rgba(255,255,255,0.2);
    transform: translateY(-2px);
}

main {
    padding: 100px 20px 20px;
    max-width: 1200px;
    margin: 0 auto;
    animation: fadeInUp 0.8s ease;
}

/* 增强的英雄横幅 */
.enhanced-hero {
    background: linear-gradient(135deg, rgba(41,98,255,0.1) 0%, rgba(0,57,203,0.1) 100%);
    padding: 4rem 2rem;
    border-radius: 20px;
    margin-bottom: 4rem;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.hero-text {
    flex: 1;
    max-width: 600px;
}

.enhanced-title {
    font-size: 3.5rem;
    text-align: left;
    margin-bottom: 2rem;
    position: relative;
}

.title-gradient {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.title-underline {
    width: 100px;
    height: 4px;
    background: var(--gradient);
    margin-top: 1rem;
    border-radius: 2px;
    animation: slideInLeft 1s ease-out 0.5s both;
}

.enhanced-slogan {
    font-size: 1.5rem;
    color: #333;
    margin-bottom: 1rem;
    font-weight: 500;
}

.enhanced-sub-slogan {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.enhanced-download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-medium);
    position: relative;
    overflow: hidden;
    border: none;
}

.enhanced-download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.enhanced-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

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

.btn-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(255,255,255,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.enhanced-download-btn:hover .btn-glow {
    opacity: 1;
}

.enhanced-resource-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.2);
    color: var(--primary-color);
    text-decoration: none;
    padding: 1rem 2rem;
    border: 2px solid var(--primary-color);
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.enhanced-resource-btn:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.btn-icon {
    margin-right: 0.5rem;
    font-size: 1.1rem;
}

.download-icon {
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background: url('../images/download.svg') no-repeat center;
    background-size: contain;
    filter: brightness(0) invert(1);
    animation: glowPulse 2s infinite;
}

.btn-text {
    position: relative;
    z-index: 1;
}

/* 装饰性元素 */
.hero-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    animation: float 6s ease-in-out infinite;
}

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

.card-2 {
    top: 50%;
    right: 40%;
    animation-delay: 2s;
}

.card-3 {
    top: 80%;
    right: 10%;
    animation-delay: 4s;
}

/* 增强的特点区域 */
.enhanced-features {
    margin: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

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

.enhanced-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.2);
}

.enhanced-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(41,98,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

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

.enhanced-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.feature-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    border-radius: 50%;
    opacity: 0.1;
    animation: pulse 2s ease-in-out infinite;
}

.icon-text {
    font-size: 2rem;
    z-index: 1;
    position: relative;
}

.feature-highlight {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.enhanced-card:hover .feature-highlight {
    transform: scaleX(1);
}

/* 增强的统计区域 */
.enhanced-stats {
    margin: 4rem 0;
    padding: 3rem 0;
    background: linear-gradient(135deg, rgba(41,98,255,0.05) 0%, rgba(0,57,203,0.05) 100%);
    border-radius: 20px;
}

.stats-container {
    max-width: 1000px;
    margin: 0 auto;
}

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

.enhanced-stat {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.enhanced-stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
}

.stat-number {
    display: block;
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    animation: floatUpDown 3s ease-in-out infinite;
}

.stat-label {
    color: #666;
    font-size: 1.1rem;
    font-weight: 500;
}

.stat-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 1s ease;
}

.enhanced-stat:hover .stat-progress {
    transform: scaleX(1);
}

/* 增强的资源区域 */
.enhanced-resources {
    margin: 4rem 0;
}

.enhanced-resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.enhanced-resource-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-light);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.2);
}

.enhanced-resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(41,98,255,0.1) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.enhanced-resource-card:hover::before {
    opacity: 1;
}

.enhanced-resource-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-heavy);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.card-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.resource-count {
    color: #666;
    font-size: 0.9rem;
}

.enhanced-resource-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
}

.enhanced-resource-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.enhanced-view-more {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.enhanced-view-more:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-heavy);
}

/* 增强的页脚 */
.enhanced-footer {
    background: var(--gradient);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

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

.footer-links {
    margin-top: 1rem;
}

.footer-links a {
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    margin: 0 1rem;
    transition: color 0.3s ease;
}

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

/* 动画 */
@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.2;
    }
}

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

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

@keyframes glowPulse {
    0%, 100% { 
        box-shadow: 0 5px 15px rgba(41,98,255,0.2);
        transform: scale(1);
    }
    50% { 
        box-shadow: 0 8px 25px rgba(41,98,255,0.4);
        transform: scale(1.02);
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }
    
    .enhanced-title {
        font-size: 2.5rem;
        text-align: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .enhanced-grid,
    .enhanced-stats-grid,
    .enhanced-resource-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-decoration {
        display: none;
    }
}

@media (max-width: 480px) {
    .enhanced-title {
        font-size: 2rem;
    }
    
    .enhanced-slogan {
        font-size: 1.2rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .enhanced-download-btn,
    .enhanced-resource-btn {
        width: 100%;
        max-width: 300px;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

button, .download-btn {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

button:hover, .download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
}

footer {
    background: #fff;
    border-top: 1px solid #eee;
    padding: 1rem 0;
    text-align: center;
    color: #666;
}

.desktop-notice {
    position: fixed;
    top: 80px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(41,98,255,0.95);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    text-align: center;
    animation: slideDown 0.5s ease;
}

.notice-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    align-items: center;
}

.desktop-notice button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8rem;
}

@keyframes slideDown {
    from { transform: translate(-50%, -100%); opacity: 0; }
    to { transform: translate(-50%, 0); opacity: 1; }
}

.vip-status {
    background: linear-gradient(145deg, #ffd700, #ffa500);
}

.vip-badge {
    color: #fff;
    font-weight: bold;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.vip-since {
    display: block;
    font-size: 0.8rem;
    opacity: 0.8;
    margin-top: 0.5rem;
}

/* 资源卡片样式优化 */
#resources {
    padding: 4rem 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e9f2 100%);
    margin: 2rem 0;
}

.resource-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
    margin-top: 2rem;
}

.resource-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(41,98,255,0.15);
}

.resource-card:hover::before {
    transform: scaleX(1);
}

.brand-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    transition: transform 0.3s ease;
}

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

.resource-content h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: #1a1a1a;
}

.resource-desc {
    color: #666;
    margin-bottom: 1rem;
}

.resource-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.update-tag, .hot-tag, .recommend-tag {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
}

.update-tag { background: #e3f2fd; color: #1976d2; }
.hot-tag { background: #fff3e0; color: #f57c00; }
.recommend-tag { background: #e8f5e9; color: #2e7d32; }

.resource-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.resource-btn:hover {
    transform: translateX(5px);
}

.arrow {
    transition: transform 0.3s ease;
}

.resource-btn:hover .arrow {
    transform: translateX(5px);
}

.view-more-container {
    text-align: center;
    margin-top: 3rem;
}

.view-more-btn {
    position: relative;
    display: inline-block;
    padding: 1rem 3rem;
    color: white;
    text-decoration: none;
    font-weight: 500;
    border-radius: 30px;
    overflow: hidden;
}

.btn-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    z-index: -1;
    transition: transform 0.6s ease;
}

.view-more-btn:hover .btn-background {
    transform: scale(1.1);
}

/* 保留原有的重要样式 */
h1 {
    font-size: 3rem;
    text-align: center;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 2rem;
}

.hero-banner {
    background: linear-gradient(135deg, rgba(41,98,255,0.1) 0%, rgba(0,57,203,0.1) 100%);
    padding: 4rem 2rem;
    border-radius: 20px;
    margin-bottom: 4rem;
}

.sub-slogan {
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 2rem;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    padding: 1rem 3rem;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: 600;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 20px rgba(41,98,255,0.2);
    position: relative;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(41,98,255,0.3);
}

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

.hero-banner h1 {
    animation: rotateIn 1s ease-out;
}

.feature-item {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    transform: scale(0.8);
}

.feature-item.aos-animate {
    opacity: 1;
    transform: scale(1);
}

.feature-item:nth-child(1) { animation-delay: 0.2s; }
.feature-item:nth-child(2) { animation-delay: 0.4s; }
.feature-item:nth-child(3) { animation-delay: 0.6s; }

.stat-item {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.stat-item.aos-animate {
    opacity: 1;
    transform: translateY(0);
}

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

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

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

.resource-card {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.resource-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(41,98,255,0.1) 0%, rgba(0,57,203,0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.resource-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

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

.brand-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1rem;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

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

.resource-content h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #333;
}

.resource-desc {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.resource-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.update-tag, .hot-tag, .recommend-tag {
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.update-tag { background: #e3f2fd; color: #1976d2; }
.hot-tag { background: #fff3e0; color: #f57c00; }
.recommend-tag { background: #e8f5e9; color: #2e7d32; }

.resource-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.resource-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(41,98,255,0.2);
}

.arrow {
    margin-left: 0.5rem;
    transition: transform 0.3s ease;
}

.resource-btn:hover .arrow {
    transform: translateX(5px);
}

.view-more-container {
    text-align: center;
    margin-top: 3rem;
}

.view-more-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: white;
    text-decoration: none;
    padding: 1rem 2.5rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.btn-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, rgba(255,255,255,0.1), rgba(255,255,255,0));
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.view-more-btn:hover .btn-background {
    transform: translateX(100%);
}

footer {
    background: var(--gradient);
    color: white;
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

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

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.8);
    }
    to {
        opacity: 1;
        transform: rotate(0deg) scale(1);
    }
}

button, .download-btn {
    cursor: pointer;
}

button:hover, .download-btn:hover {
    transform: translateY(-2px);
}