/* ===== 全局重置 ===== */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    background: linear-gradient(145deg, #0f1116 0%, #1b1d24 100%);
    font-family: "Segoe UI", Roboto, "PingFang SC", "Microsoft Yahei", sans-serif;
    color: #e5e5e5;
    min-height: 100vh;
}

/* ===== 主容器：玻璃卡片 ===== */
.wrap {
    max-width: 760px;
    margin: 40px auto 60px;
    padding: 0 20px;
}

/* ===== Hero 区域 ===== */
.hero {
    text-align: center;
    padding: 10px 0 20px;
}

.hero-logo {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    margin-bottom: 14px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.hero h1 {
    font-size: 30px;
    font-weight: 700;
    margin: 0 0 6px;
    color: #fff;
    letter-spacing: 1px;
}

.hero .sub {
    font-size: 15px;
    color: #999;
    margin: 0;
    letter-spacing: 0.5px;
}

/* ===== 信息卡片 ===== */
.block {
    padding: 24px 28px;
    border-radius: 16px;
    margin-top: 20px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.07);
    backdrop-filter: blur(8px);
}

.block.highlight {
    background: rgba(255,255,255,0.06);
    border-color: rgba(255,255,255,0.10);
}

h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 14px;
    color: #f0f0f0;
}

/* ===== 版本信息网格 ===== */
.version-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}

.info-item {
    text-align: center;
    padding: 12px 8px;
    border-radius: 10px;
    background: rgba(0,0,0,0.2);
}

.info-label {
    display: block;
    font-size: 12px;
    color: #888;
    margin-bottom: 6px;
}

.info-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}

/* ===== 下载按钮 ===== */
.download-link {
    display: block;
    text-decoration: none;
    text-align: center;
}

.download-btn {
    width: 100%;
    padding: 14px 32px;
    font-size: 17px;
    border-radius: 999px;
    border: none;
    cursor: pointer;
    background: linear-gradient(135deg, #0084ff, #0052b3);
    color: #fff;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.25s;
    box-shadow: 0 4px 18px rgba(0,118,255,0.4);
}

.download-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0,118,255,0.55);
}

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

.download-hint {
    text-align: center;
    font-size: 12px;
    color: #666;
    margin: 10px 0 0;
}

/* ===== 更新说明 ===== */
pre {
    white-space: pre-wrap;
    margin: 0;
    background: rgba(0,0,0,0.25);
    border-radius: 10px;
    padding: 16px 18px;
    font-size: 14px;
    line-height: 1.7;
    color: #ccc;
    border: 1px solid rgba(255,255,255,0.05);
    font-family: "Segoe UI", "PingFang SC", "Microsoft Yahei", sans-serif;
}

/* ===== 底部 ===== */
.footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.06);
    text-align: center;
}

.footer-links {
    font-size: 13px;
    color: #666;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.footer-links a {
    color: #6a9de0;
    text-decoration: none;
}

.footer-links a:hover {
    text-decoration: underline;
}

.footer-links .sep {
    color: #444;
}

.footer-contact {
    font-size: 13px;
    color: #666;
    margin: 12px 0 0;
}

/* ===== 响应式 ===== */
@media (max-width: 600px) {
    .hero h1 {
        font-size: 24px;
    }
    .version-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    .block {
        padding: 18px 16px;
    }
    .wrap {
        margin: 20px auto 40px;
    }
    .info-value {
        font-size: 16px;
    }
}