:root{--ink:#10243f;--muted:#718096;--line:#e7e9ee;--surface:#fff;--bg:#f6f7fa;--blue:#2563b9;--soft:#edf4ff;--shadow:0 16px 45px rgba(16,36,63,.08)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,sans-serif}.member-nav{height:70px;position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1240px)/2));background:rgba(255,255,255,.92);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.4px}.brand b{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,#153a68,#3d83c9);color:#fff}.nav-right{display:flex;gap:9px;align-items:center}.icon-btn,.profile-btn{border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 12px;cursor:pointer}.profile-btn{display:flex;gap:8px;align-items:center;font-weight:800}.member-main{max-width:1240px;margin:auto;padding:28px 20px 70px}.announce{display:flex;gap:16px;align-items:center;padding:22px;border:1px solid #d8e4f4;background:linear-gradient(135deg,#f1f7ff,#fff);border-radius:22px;box-shadow:var(--shadow);margin-bottom:32px}.announce-icon{width:54px;height:54px;border-radius:16px;display:grid;place-items:center;background:#1e5ca1;color:#fff;font-size:21px}.announce small,.eyebrow{font-size:10px;font-weight:900;letter-spacing:.8px;color:var(--blue)}.announce h2{margin:3px 0;font-size:22px}.announce p{margin:0;color:var(--muted)}.section{margin:34px 0}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:15px}.section-head h2{margin:4px 0 0;font-size:24px;letter-spacing:-.5px}.section-head a{font-size:13px;font-weight:800;color:var(--blue)}.horizontal{display:flex;gap:14px;overflow:auto;padding:4px 2px 12px;scrollbar-width:thin}.cat-card,.mini-card{min-width:210px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:17px;box-shadow:0 8px 24px rgba(16,36,63,.05)}.cat-card i,.mini-card .mini-icon{width:43px;height:43px;border-radius:13px;display:grid;place-items:center;background:var(--soft);color:var(--blue);font-size:18px}.cat-card b{display:block;margin-top:12px}.cat-card span,.mini-card span{font-size:12px;color:var(--muted)}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.video-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}.thumb{height:210px;background:linear-gradient(135deg,#183d68,#4d8bd5);display:grid;place-items:center;color:#fff;font-size:42px}.video-body{padding:16px}.video-body h3{margin:0 0 7px;font-size:16px}.stats{display:flex;gap:13px;color:var(--muted);font-size:11px}.stats span{display:inline-flex;align-items:center;gap:5px}.pager{display:flex;justify-content:center;gap:7px;margin-top:18px}.pager button{width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#fff}.pager button.active{background:var(--blue);color:#fff}.member-drawer{position:fixed;top:0;left:-310px;width:300px;height:100%;z-index:100;background:#fff;padding:20px;box-shadow:20px 0 60px rgba(0,0,0,.12);transition:.25s;display:flex;flex-direction:column;gap:7px}.member-drawer.open{left:0}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:8px}.member-drawer a,.member-drawer button:not(.icon-btn){padding:13px;border:0;background:transparent;text-align:left;border-radius:11px;font-weight:750;cursor:pointer}.member-drawer a:hover,.member-drawer button:hover{background:var(--soft);color:var(--blue)}.member-drawer i{width:22px}.nav-shade{display:none;position:fixed;inset:0;background:rgba(10,20,30,.38);z-index:90}.nav-shade.open{display:block}@media(max-width:650px){.member-main{padding:20px 14px 50px}.video-grid{grid-template-columns:1fr}.thumb{height:180px}.section-head h2{font-size:20px}.announce{align-items:flex-start}.profile-btn span{display:none}}