/* ===== 神奇助手 · 公共样式 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#4e6ef2;--primary-light:#e8edff;--primary-dark:#3855d4;
  --accent:#f5a623;--bg:#f7f8fc;--card-bg:#fff;
  --text-main:#1a1a2e;--text-sub:#6b7280;--border:#e5e7eb;
  --shadow:0 2px 12px rgba(78,110,242,.10);--radius:12px;--radius-sm:8px;
  --transition:.18s ease;
}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:var(--text-main);min-height:100vh}

/* navbar — 与 lm158.com 原站一致 */
.navbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 1px 8px rgba(0,0,0,.05)}
.navbar-inner{max-width:960px;margin:0 auto;padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between}
.navbar .logo{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--primary);font-size:18px;font-weight:700;letter-spacing:-.3px}
.navbar .logo-icon{width:32px;height:32px;background:var(--primary);border-radius:8px;display:flex;align-items:center;justify-content:center}
.navbar .logo-icon svg{width:18px;height:18px;fill:#fff}
.nav-links{display:flex;gap:4px}
.nav-links a{padding:6px 14px;border-radius:8px;text-decoration:none;color:var(--text-sub);font-size:14px;transition:all .2s}
.nav-links a:hover,.nav-links a.active{background:var(--primary-light);color:var(--primary);font-weight:500}

/* breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--text-sub);padding:8px 24px;max-width:960px;margin:0 auto}
.breadcrumb a{color:var(--primary);text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}

/* hero */
.page-hero{padding:36px 24px 28px;text-align:center;border-bottom:1px solid var(--border)}
.page-hero h1{font-size:24px;font-weight:700;color:var(--text-main);margin-bottom:8px}
.page-hero p{color:var(--text-sub);font-size:14px}
.hero-icon{font-size:40px;display:block;margin-bottom:10px}

/* main */
.main-container{max-width:960px;margin:0 auto;padding:28px 24px 60px}

/* 二级分类块 */
.l2-block{margin-bottom:44px;scroll-margin-top:76px}
.l2-header{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:var(--radius);margin-bottom:16px;cursor:default}
.l2-icon{font-size:22px;flex-shrink:0}
.l2-title{font-size:17px;font-weight:700}
.l2-desc{font-size:13px;opacity:.75;margin-top:2px}
.l2-count{margin-left:auto;font-size:12px;opacity:.65;white-space:nowrap;background:rgba(255,255,255,.45);padding:3px 10px;border-radius:12px}

/* 三级分类标签云 */
.l3-tags{display:flex;flex-wrap:wrap;gap:9px;padding:0 4px}
.l3-tag{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;border-radius:20px;font-size:13px;font-weight:500;cursor:pointer;text-decoration:none;transition:all var(--transition);border:1.5px solid transparent;white-space:nowrap}
.l3-tag:hover{transform:translateY(-2px);box-shadow:0 3px 10px rgba(0,0,0,.12)}
.l3-tag .tag-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.l3-tag.hot::after{content:"热";font-size:10px;background:#ff4757;color:#fff;padding:1px 5px;border-radius:8px;margin-left:2px;font-weight:700}
.l3-tag.new-tag::after{content:"新";font-size:10px;background:var(--accent);color:#fff;padding:1px 5px;border-radius:8px;margin-left:2px;font-weight:700}

/* 侧边 anchor 导航 */
.side-nav{position:fixed;right:24px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;z-index:50}
.side-dot{width:8px;height:8px;border-radius:50%;background:var(--border);cursor:pointer;transition:all var(--transition);position:relative}
.side-dot.active,.side-dot:hover{background:var(--primary);transform:scale(1.4)}
.side-dot::before{content:attr(data-label);position:absolute;right:16px;top:50%;transform:translateY(-50%);background:var(--text-main);color:#fff;padding:3px 8px;border-radius:6px;font-size:12px;white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .15s}
.side-dot:hover::before{opacity:1}

/* 分割线 */
.divider{height:1px;background:var(--border);margin:36px 0}

/* footer */
footer{text-align:center;padding:22px;font-size:13px;color:var(--text-sub);border-top:1px solid var(--border);background:#fff}
footer a{color:var(--primary);text-decoration:none}

/* 响应式 */
@media(max-width:1100px){.side-nav{display:none}}
@media(max-width:768px){.nav-links{gap:2px}.nav-links a{padding:5px 8px;font-size:13px}.l3-tag{font-size:12px;padding:6px 11px}}
@media(max-width:480px){.nav-links a{font-size:12px;padding:4px 6px}}