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

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #ff7700, #ff5500, #ff3300);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.container {
    max-width: 800px;
    width: 100%;
    background: rgba(25, 25, 35, 0.85);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

header {
    text-align: center;
    padding: 40px 20px;
    background: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.main-title {
    font-size: 3.5rem;
    font-weight: 700;
    background: linear-gradient(to right, #ffd100, #ff7700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: 2px;
}

.intro-section {
    padding: 30px;
    text-align: center;
}

.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #e0e0e0;
    max-width: 600px;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.05);
    padding: 25px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.strategy-link {
    color: #00aaff; /* 亮蓝色 */
    text-decoration: underline;
}

.strategy-link:hover {
    text-decoration: underline;
}

.download-section {
    padding: 40px 30px;
    text-align: center;
}

.download-title {
    font-size: 2rem;
    margin-bottom: 30px;
    color: #fff;
    font-weight: 500;
}

.button-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
}

.download-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    background: linear-gradient(45deg, #ff7700, #ff5500);
    color: white;
    padding: 18px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    transition: all 0.3s ease;
    box-shadow: 0 10px 20px rgba(255, 119, 0, 0.3);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-width: 220px;
}

.download-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(255, 119, 0, 0.4);
}

.download-button:active {
    transform: translateY(0);
}

.download-button::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: 0.5s;
}

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

.mac-button {
    background: linear-gradient(45deg, #ff5500, #ff3300);
    box-shadow: 0 10px 20px rgba(255, 85, 0, 0.3);
}

.mac-button:hover {
    box-shadow: 0 15px 30px rgba(255, 85, 0, 0.4);
}

.button-icon img {
    width: 24px;
    height: 24px;
    filter: brightness(0) invert(1);
}

footer {
    padding: 40px 30px;
    text-align: center;
    background: rgba(0, 0, 0, 0.2);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #fff;
    font-weight: 500;
}

.footer-info {
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info p {
    font-size: 0.9rem;
    color: #aaa;
    margin: 0;
}

.contact-info p {
    margin: 10px 0;
    font-size: 1.1rem;
    color: #ccc;
}

.contact-info a {
    color: #2196F3;
    text-decoration: none;
    transition: color 0.3s;
}

.contact-info a:hover {
    color: #21CBF3;
    text-decoration: underline;
}

/* 粒子效果 */
.particle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.8);
    z-index: -1;
    animation: float linear infinite;
}

@keyframes float {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 0.5;
    }
    100% {
        transform: translateY(-100vh) translateX(100px) rotate(360deg);
        opacity: 0;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .main-title {
        font-size: 2.5rem;
    }
    
    .intro-text {
        font-size: 1rem;
        padding: 20px;
    }
    
    .button-container {
        flex-direction: column;
        align-items: center;
    }
    
    .download-button {
        width: 100%;
        max-width: 280px;
    }
    
    .download-title {
        font-size: 1.7rem;
    }
}

@media (max-width: 480px) {
    .main-title {
        font-size: 2rem;
    }
    
    .container {
        border-radius: 15px;
    }
    
    header {
        padding: 30px 15px;
    }
    
    .intro-section, .download-section, footer {
        padding: 25px 20px;
    }
}

/* 添加更大屏幕的适配 */
@media (min-width: 1200px) {
    .container {
        max-width: 900px;
    }
    
    .main-title {
        font-size: 4rem;
    }
    
    .intro-text {
        font-size: 1.3rem;
    }
    
    .download-title {
        font-size: 2.2rem;
    }
    
    .download-button {
        padding: 20px 40px;
        font-size: 1.2rem;
        min-width: 250px;
    }
}

/* 添加窗口大小变化时的响应式调整 */
@media (min-width: 769px) and (max-width: 1199px) {
    .container {
        max-width: 750px;
    }
    
    .main-title {
        font-size: 3rem;
    }
    
    .download-button {
        padding: 16px 30px;
        min-width: 200px;
    }
}