* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: #f7f9fa; color: #222; -webkit-font-smoothing: antialiased; }
.sg-container { width: 100%; max-width: 640px; margin: 0 auto; padding: 0 15px; }

/* 头部样式 */
.sg-header { background: #ff7000; color: #fff; padding: 12px 0; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
.sg-logo { font-size: 18px; font-weight: bold; letter-spacing: 1px; }
.sg-channel { float: right; font-size: 14px; margin-top: 3px; opacity: 0.9; }

/* 文章主体 */
.sg-main { margin-top: 15px; }
.sg-article-content { background: #fff; padding: 20px 15px; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.02); }
.sg-entry-title { font-size: 22px; line-height: 1.4; color: #000; margin-bottom: 12px; font-weight: bold; }
.sg-meta { font-size: 13px; color: #8c8c8c; margin-bottom: 20px; padding-bottom: 15px; border-bottom: 1px solid #f0f0f0; }
.sg-meta span { margin-right: 12px; display: inline-block; }
.sg-read-num { color: #ff7000; font-weight: 500; }

/* 参数区块 */
.sg-app-box { background: #fdfdfd; border: 1px dashed #ff7000; border-radius: 6px; padding: 15px; margin-bottom: 20px; }
.sg-box-title { font-size: 15px; font-weight: bold; color: #ff7000; margin-bottom: 10px; border-bottom: 1px solid #ffe6d5; padding-bottom: 5px; }
.sg-specs-list { list-style: none; }
.sg-specs-list li { font-size: 14px; color: #555; margin-bottom: 8px; }
.sg-specs-list li span { color: #111; font-weight: bold; }
.safe-tag { color: #2fc25b !important; }

/* 下载与引导按钮 */
.sg-download-zone { background: #fff3eb; border-radius: 6px; padding: 15px; margin-bottom: 25px; text-align: center; }
.sg-tips { font-size: 12px; color: #f5222d; text-align: left; margin-bottom: 12px; line-height: 1.5; font-weight: bold; }
.sg-btn-wrap { display: flex; flex-direction: column; gap: 12px; }
.sg-btn-main { background: #ff7000; color: #fff; padding: 12px; border-radius: 4px; text-decoration: none; font-size: 16px; font-weight: bold; display: block; box-shadow: 0 2px 6px rgba(255,112,0,0.3); }
.sg-btn-sub { background: #1890ff; color: #fff; padding: 12px; border-radius: 4px; text-decoration: none; font-size: 16px; font-weight: bold; display: block; }

/* 正文段落 */
.sg-body-text h2 { font-size: 17px; color: #000; margin: 20px 0 10px 0; border-left: 3px solid #ff7000; padding-left: 8px; }
.sg-body-text p { font-size: 15px; color: #333; line-height: 1.7; margin-bottom: 15px; text-align: justify; }
.sg-random-txt { color: #666; font-size: 14px; background: #fafafa; padding: 10px; border-radius: 4px; margin: 15px 0; }

/* 底部内链群 */
.sg-related-links { margin-top: 3px; padding-top: 20px; border-top: 1px solid #f0f0f0; }
.sg-link-grid { list-style: none; display: grid; grid-template-columns: repeat(1, 1fr); gap: 10px; }
.sg-link-grid li a { font-size: 14px; color: #1890ff; text-decoration: none; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* 页脚 */
.sg-footer { text-align: center; font-size: 11px; color: #aaa; padding: 25px 0; line-height: 1.8; }