* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: sans-serif; background-color: #f5f7f6; }
a { text-decoration: none; color: inherit; }

header { background: #fff; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 5px rgba(0,0,0,0.05); }
.m-header { display: flex; justify-content: space-between; align-items: center; padding: 10px 15px; }
.m-logo { height: 40px; }
.m-download-btn { background: #6cbf35; color: #fff; padding: 8px 15px; border-radius: 20px; font-size: 14px; font-weight: bold; }
.m-nav { display: flex; justify-content: space-around; padding: 10px 0; border-top: 1px solid #eee; overflow-x: auto; white-space: nowrap; }
.m-nav a { font-size: 14px; color: #555; padding: 5px 10px; }
.m-nav a.active { color: #6cbf35; font-weight: bold; border-bottom: 2px solid #6cbf35; }

/* 移动端落地页 Hero */
.m-hero { padding: 30px 15px; background: linear-gradient(135deg, #f0f9eb 0%, #e2f4d9 100%); text-align: center; }
.m-hero h1 { font-size: 24px; color: #2c3e50; margin-bottom: 10px; }
.m-hero h1 span { color: #6cbf35; }
.m-hero p { font-size: 14px; color: #666; margin-bottom: 20px; line-height: 1.6; }
.m-hero-img { width: 80%; margin: 0 auto 20px; display: block; border-radius: 15px; box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.m-hero .download-btn { display: inline-block; background: linear-gradient(135deg, #6cbf35, #4ca021); color: #fff; padding: 12px 30px; border-radius: 25px; font-weight: bold; font-size: 16px; }

/* 移动端特色 */
.m-features { padding: 20px 15px; background: #fff; margin-top: 15px; }
.m-feature-item { display: flex; align-items: center; margin-bottom: 20px; }
.m-feature-item img { width: 50px; margin-right: 15px; }
.m-feature-item div h3 { font-size: 16px; margin-bottom: 5px; color: #333; }
.m-feature-item div p { font-size: 12px; color: #888; }

/* 通用内容与网格 */
.m-section-title { font-size: 18px; margin: 15px; border-left: 4px solid #6cbf35; padding-left: 10px; }
.m-grid-container { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; padding: 0 15px; margin-bottom: 20px; }
.m-comic-card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.m-comic-card img { width: 100%; height: 180px; object-fit: cover; }
.m-comic-card h3 { font-size: 14px; padding: 8px; text-align: center; color: #333; }
.m-content-box { background: #fff; padding: 15px; margin: 0 15px 20px; border-radius: 8px; line-height: 1.8; font-size: 14px; color: #555; }

footer { text-align: center; padding: 20px; font-size: 12px; color: #999; background: #fff; margin-top: 20px; }
footer a { color: #6cbf35; }
.switch-btn { display: inline-block; padding: 6px 15px; background-color: #34495e; color: #fff !important; border-radius: 15px; font-size: 13px; transition: background 0.3s; text-decoration: none; margin-top: 15px; }
.switch-btn:active { background-color: #6cbf35; }

/* 移动端撑满全屏防空白 */
html, body {
    height: 100%;
}
body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    /* 保持原有设置 */
    font-family: sans-serif;
    background-color: #f5f7f6;
}
main {
    flex: 1;
}
footer {
    /* 原有底部样式 */
    text-align: center;
    padding: 20px;
    font-size: 12px;
    color: #999;
    background: #fff;
    margin-top: 0; /* 改为0 */
}