/* 星辰导航 - 独立样式文件 */
:root{--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#8b95a7;--line:#e9edf3;--accent:#2563eb;--accent2:#3b82f6;--shadow:0 8px 28px rgba(30,41,59,.06)}
*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{text-decoration:none;color:inherit}

/* 顶部栏：通栏白底，贴浏览器顶部 */
.header{display:flex;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;width:100vw;margin-left:calc(50% - 50vw);margin-bottom:22px;box-shadow:0 1px 3px rgba(30,41,59,.04)}
.brand{display:flex;align-items:center}
.brand-logo{display:flex;align-items:center}
.brand-logo img{display:block;height:44px;width:auto;max-width:260px;object-fit:contain}

.app{max-width:1240px;margin:auto;padding:0 24px 40px}

.search-wrap{position:relative;margin-bottom:22px}.search-box{display:flex;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:7px;box-shadow:var(--shadow)}.search-icon{order:1;font-size:18px;margin:0 9px}.search-box input{order:2;border:0;outline:0;background:transparent;flex:1;min-width:0;font-size:15px;color:var(--text);height:40px}.search-box select{order:0;border:0;outline:0;background:#f4f5f9;border-radius:10px;padding:10px 11px;color:#555;font-size:13px;flex:0 0 auto}.search-box button{order:3;border:0;background:var(--accent);color:#fff;border-radius:11px;padding:11px 16px;cursor:pointer;font-size:13px;margin-left:7px}.layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:24px}.sidebar{position:sticky;top:18px;height:max-content}.category-nav{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:9px;box-shadow:var(--shadow)}.category-btn{width:100%;border:0;background:transparent;text-align:left;padding:10px 12px;border-radius:10px;color:#687386;cursor:pointer;font-size:13px}.category-btn:hover,.category-btn.active{background:#e8f0fe;color:var(--accent);font-weight:600}.content{min-width:0}.section{margin-bottom:28px;scroll-margin-top:20px}.section-head{display:flex;align-items:center;justify-content:space-between;margin:0 2px 11px}.section-title{font-size:16px;font-weight:700}.section-count{font-size:11px;color:var(--muted)}.link-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.link-item{display:flex;align-items:center;min-width:0;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;transition:.18s ease;box-shadow:0 3px 12px rgba(30,41,59,.035)}.link-item:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,41,59,.09);border-color:#c7d9ff}.link-icon{width:42px;height:42px;flex:0 0 42px;border-radius:11px;background:#f1f3f7;display:grid;place-items:center;overflow:hidden;margin-right:12px;font-size:20px}.link-icon img{width:100%;height:100%;object-fit:cover}.link-info{min-width:0}.link-name{font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.link-desc{font-size:12px;color:var(--muted);margin-top:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 主站入口：白底深色文字 + 蓝色左边框 */
.main-entry{display:flex;align-items:center;gap:14px;background:#fff;color:var(--text);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:18px;padding:19px 20px;margin-bottom:22px;box-shadow:0 8px 24px rgba(30,41,59,.06);transition:.18s}.main-entry:hover{transform:translateY(-2px)}.main-icon{width:52px;height:52px;flex:0 0 52px;border-radius:14px;background:#f1f3f7;display:grid;place-items:center;font-size:24px;overflow:hidden}.main-icon img{width:100%;height:100%;object-fit:cover}.main-name{font-size:19px;font-weight:700}.main-desc{font-size:12px;color:var(--muted);margin-top:4px}.empty{display:none;text-align:center;padding:50px 10px;color:var(--muted)}footer{text-align:center;color:#aeb6c4;font-size:12px;margin-top:38px}.search-mode{font-size:11px;color:var(--muted);margin:8px 3px 0}.mobile-category{display:none}

@media(max-width:1050px){.link-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.header{padding:12px 16px;margin-bottom:15px}.brand-logo img{height:38px}.app{padding:0 12px 30px}.layout{display:block}.sidebar{position:static;margin-bottom:16px}.category-nav{display:flex;overflow-x:auto;gap:5px;padding:6px;border-radius:13px;scrollbar-width:none}.category-nav::-webkit-scrollbar{display:none}.category-btn{white-space:nowrap;width:auto;padding:8px 11px;font-size:12px}.link-grid{grid-template-columns:1fr;gap:9px}.link-item{padding:12px}.search-box{padding:6px}.search-box select{max-width:90px}.search-box button{padding:10px 12px}.main-entry{padding:15px}.main-name{font-size:17px}.main-icon{width:46px;height:46px;flex-basis:46px}.section{margin-bottom:22px}}
@media(max-width:430px){.search-box select{display:block}.search-box input{font-size:14px}.search-box button{font-size:12px}.link-desc{font-size:11px}}