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

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 25%, #16213e 50%, #0f3460 75%, #1e3a8a 100%);
    background-attachment: fixed;
    min-height: 100vh;
    color: white;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.2) 0%, transparent 50%),
                radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 30px;
    position: relative;
    z-index: 1;
}

/* 主横幅样式 */
.hero-section {
    background: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 25%, #6d28d9 50%, #5b21b6 75%, #4c1d95 100%);
    border-radius: 24px;
    padding: 50px;
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
    min-height: 350px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 25px 60px rgba(139, 92, 246, 0.3), 
                0 10px 30px rgba(0, 0, 0, 0.2),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-section::before {
    display: none;
}

.hero-content {
    flex: 1;
    z-index: 2;
    max-width: 50%;
}

.hero-buttons-area {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 35px;
    min-width: 500px;
    z-index: 3;
}

.hero-features {
    display: flex;
    gap: 18px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.feature-tag {
    background: rgba(255, 255, 255, 0.25);
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.feature-tag:hover {
    background: rgba(255, 255, 255, 0.35);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.hero-title {
    font-size: 46.8px;
    font-weight: 800;
    margin-bottom: 20px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 50%, #e2e8f0 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 20px;
    margin-bottom: 0;
    opacity: 0.95;
    font-weight: 500;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.2);
}

.hero-buttons {
    display: flex;
    gap: 35px;
    align-items: center;
    width: 100%;
    justify-content: center;
}

.hero-button {
    padding: 32px 60px;
    border-radius: 60px;
    font-size: 22px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-decoration: none;
    display: inline-block;
    position: relative;
    overflow: hidden;
    min-width: 220px;
    text-align: center;
    border: 3px solid transparent;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.hero-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.6s;
}

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

.hero-login-btn {
    background: linear-gradient(45deg, #3b82f6, #1d4ed8, #1e40af);
    color: white;
    box-shadow: 0 20px 50px rgba(59, 130, 246, 0.6);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero-login-btn:hover {
    background: linear-gradient(45deg, #2563eb, #1e40af, #1e3a8a);
    transform: translateY(-12px) scale(1.05);
    box-shadow: 0 30px 70px rgba(59, 130, 246, 0.8);
    border-color: rgba(255, 255, 255, 0.8);
}

.hero-download-btn {
    background: linear-gradient(45deg, #10b981, #059669, #047857);
    color: white;
    box-shadow: 0 20px 50px rgba(16, 185, 129, 0.6);
    border-color: rgba(255, 255, 255, 0.4);
}

.hero-download-btn:hover {
    background: linear-gradient(45deg, #059669, #047857, #065f46);
    transform: translateY(-12px) scale(1.05);
    box-shadow: 0 30px 70px rgba(16, 185, 129, 0.8);
    border-color: rgba(255, 255, 255, 0.8);
}

.hero-image {
    display: none;
}

/* 主按钮网格样式 */
.buttons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 50px;
}

.main-button {
    background: linear-gradient(135deg, #374151 0%, #1f2937 50%, #111827 100%);
    padding: 30px;
    border-radius: 24px;
    text-decoration: none;
    color: white;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
    min-height: 180px;
    display: flex;
    align-items: center;
    gap: 25px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.2), 
                0 5px 15px rgba(0, 0, 0, 0.1),
                inset 0 1px 0 rgba(255, 255, 255, 0.05);
    cursor: pointer;
}

.main-button:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.3), 
                0 10px 30px rgba(0, 0, 0, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    background: linear-gradient(135deg, #4b5563 0%, #374151 50%, #1f2937 100%);
}

.main-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s;
}

.main-button:hover::before {
    left: 100%;
}

.main-button-left {
    display: flex;
    align-items: center;
    gap: 25px;
    flex: 1;
}

.main-button-image {
    width: 166px;
    height: 93px;
    border-radius: 12px;
    flex-shrink: 0;
    background: rgba(255, 255, 255, 0.08);
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.main-button-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: brightness(1.1) contrast(1.05);
}

.main-button-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin-left: 20px;
}

.button-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 10px;
    line-height: 1.2;
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.button-subtitle {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 6px;
    opacity: 1;
    color: #ffffff;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.button-description {
    font-size: 13px;
    opacity: 1;
    line-height: 1.4;
    color: #f0f0f0;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.main-button-actions {
    display: none;
}

.action-button {
    display: none;
}

.login-button {
    display: none;
}

.download-button {
    display: none;
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .hero-section {
        padding: 30px;
        min-height: 280px;
    }
    
    .hero-title {
        font-size: 32.4px;
    }

    .hero-content {
        max-width: 45%;
    }

    .hero-buttons-area {
        min-width: 450px;
        gap: 25px;
    }

    .hero-buttons {
        gap: 25px;
    }

    .hero-button {
        padding: 24px 50px;
        font-size: 18px;
        min-width: 180px;
    }
    
    .buttons-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
    
    .main-button {
        min-height: 110px;
        padding: 20px;
        gap: 15px;
    }
    
    .main-button-image {
        width: 141px;
        height: 78px;
    }
    
    .main-button-content {
        margin-left: 12px;
    }
    
    .button-title {
        font-size: 21px;
    }
    
    .button-subtitle {
        font-size: 13px;
    }
    
    .button-description {
        font-size: 11px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .hero-section {
        padding: 25px;
        flex-direction: column;
        text-align: center;
        min-height: auto;
        gap: 30px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-buttons-area {
        min-width: auto;
        width: 100%;
        gap: 20px;
    }

    .hero-buttons {
        gap: 20px;
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero-title {
        font-size: 28.8px;
    }
    
    .hero-features {
        justify-content: center;
    }

    .hero-button {
        padding: 20px 40px;
        font-size: 16px;
        min-width: 160px;
    }
    
    .buttons-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .main-button {
        padding: 20px;
        min-height: 120px;
        gap: 15px;
        flex-direction: column;
        text-align: center;
    }

    .main-button-left {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .main-button-image {
        width: 128px;
        height: 71px;
    }
    
    .main-button-content {
        margin-left: 0;
    }
    
    .button-title {
        font-size: 19px;
    }
    
    .button-subtitle {
        font-size: 12px;
    }
    
    .button-description {
        font-size: 10px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 25.2px;
    }
    
    .hero-features {
        flex-direction: column;
        align-items: center;
    }
    
    .feature-tag {
        font-size: 12px;
        padding: 6px 12px;
    }

    .hero-section {
        padding: 20px;
        gap: 25px;
    }

    .hero-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
    }

    .hero-button {
        padding: 18px 35px;
        font-size: 15px;
        min-width: auto;
        width: 100%;
        max-width: 280px;
    }
    
    .main-button {
        padding: 15px;
        min-height: 110px;
        gap: 12px;
    }

    .main-button-left {
        gap: 12px;
    }
    
    .main-button-image {
        width: 102px;
        height: 57px;
    }
    
    .button-title {
        font-size: 17px;
    }
    
    .button-subtitle {
        font-size: 11px;
    }
    
    .button-description {
        font-size: 9px;
    }
}

/* 为每个卡片设置不同的鲜艳彩色渐变背景 */
.main-button:nth-child(1) {
    background: linear-gradient(135deg, #00d2d3 0%, #54a0ff 100%);
}

.main-button:nth-child(2) {
    background: linear-gradient(135deg, #4834d4 0%, #686de0 100%);
}

.main-button:nth-child(3) {
    background: linear-gradient(135deg, #ff6f00 0%, #ff8f00 50%, #ffb74d 100%);
}

.main-button:nth-child(4) {
    background: linear-gradient(135deg, #ffb347 0%, #ff8a80 50%, #f48fb1 100%);
}

.main-button:nth-child(5) {
    background: linear-gradient(135deg, #5f27cd 0%, #a55eea 100%);
}

.main-button:nth-child(6) {
    background: linear-gradient(135deg, #00d8d6 0%, #01a3a4 100%);
}

.main-button:nth-child(1):hover {
    background: linear-gradient(135deg, #1dd1d3 0%, #6ab7ff 100%);
}

.main-button:nth-child(2):hover {
    background: linear-gradient(135deg, #5742d4 0%, #7d8de8 100%);
}

.main-button:nth-child(3):hover {
    background: linear-gradient(135deg, #ff8f00 0%, #ffa726 50%, #ffcc02 100%);
}

.main-button:nth-child(4):hover {
    background: linear-gradient(135deg, #ffc66d 0%, #ff9a9e 50%, #f8bbd9 100%);
}

.main-button:nth-child(5):hover {
    background: linear-gradient(135deg, #6c3bcd 0%, #b165ea 100%);
}

.main-button:nth-child(6):hover {
    background: linear-gradient(135deg, #1ddad6 0%, #2db5a4 100%);
}

/* 移除旧的颜色类样式 */
.main-button.cyan,
.main-button.red,
.main-button.blue,
.main-button.orange {
    background: linear-gradient(135deg, #374151 0%, #1f2937 100%);
}

.main-button.orange::after {
    display: none;
}

.button-icon {
    display: none;
}