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.14s,border-color .14s,color .14s}.hd .btn-accent{background:var(--accent);color:#fff}.hd .btn-accent:hover{background:#2e4ce6;color:#fff}.hd .btn-sm{height:36px;padding:0 14px;font-size:13px}.hd{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s}.hd.is-scrolled{border-bottom-color:var(--line)}.hd-in{display:flex;align-items:center;gap:28px;height:64px}.hd-brand{display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.hd-logo{display:flex;align-items:center;gap:10px;color:var(--ink)}.hd-word{font-weight:650;font-size:17px;letter-spacing:-.02em;line-height:1.05}.hd-word .i{color:var(--accent)}.hd-by{margin-left:37px;margin-top:1px;font-size:10px;font-weight:500;letter-spacing:0;line-height:1;color:var(--ink-4);white-space:nowrap}.hd-by .hd-by-pre{color:var(--ink-4)}.hd-by:hover{color:var(--ink-2)}.hd-nav{display:flex;align-items:center;gap:4px;flex:1}.hd-link{position:relative;display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:8px;font-size:14px;font-weight:500;color:var(--ink-2)}.hd-link:hover{background:var(--surf-2);color:var(--ink)}.hd-new{font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--accent);border-radius:5px;padding:2px 5px}.hd-right{display:flex;align-items:center;gap:10px}.hd-login{font-size:14px;font-weight:500;color:var(--ink-2);padding:8px 10px;border-radius:8px}.hd-login:hover{color:var(--ink);background:var(--surf-2)}.hd-drop-wrap{position:relative}.hd-drop{position:absolute;top:calc(100% + 6px);left:0;min-width:460px;background:var(--surf);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:0 16px 48px rgba(13,18,32,.14),0 2px 8px rgba(13,18,32,6%);padding:10px;display:grid;grid-template-columns:1fr 1fr;gap:2px;opacity:0;pointer-events:none;transform:translateY(-4px);transition:opacity .14s,transform .14s}.hd-drop-wrap:hover .hd-drop,.hd-drop-wrap:focus-within .hd-drop{opacity:1;pointer-events:auto;transform:none}.hd-drop a{display:flex;gap:11px;padding:10px 11px;border-radius:10px;color:var(--ink);align-items:flex-start}.hd-drop a:hover{background:var(--bg-2)}.hd-drop-ic{width:30px;height:30px;border-radius:8px;background:var(--surf-2);color:var(--accent);display:grid;place-items:center;flex-shrink:0}.hd-drop-t{font-size:13.5px;font-weight:600;letter-spacing:-.01em}.hd-drop-d{font-size:12px;color:var(--ink-3);margin-top:1px}.ft{background:var(--dark);color:rgba(232,235,242,.65);border-top:1px solid var(--dark-line)}.ft-in{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:32px;padding:56px 0 40px}@media(max-width:900px){.ft-in{grid-template-columns:1fr 1fr}}.ft-brand{display:flex;flex-direction:column;gap:14px;align-items:flex-start}.ft-brand .hd-logo{color:#fff}.ft-tag{font-size:13px;max-width:30ch;line-height:1.55}.ft-col-t{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:rgba(232,235,242,.4);margin-bottom:14px}.ft-col{display:flex;flex-direction:column;gap:9px}.ft-col a{font-size:13.5px;color:rgba(232,235,242,.7);display:inline-flex;align-items:center;gap:7px}.ft-col a:hover{color:#fff}.ft-bottom{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;padding:20px 0 28px;border-top:1px solid var(--dark-line);font-size:12.5px;color:rgba(232,235,242,.4)}.ft-word{font-weight:650;font-size:16px;letter-spacing:-.02em;color:#fff}.ft-word .i{color:#9db1ff}.hd-lang .hd-lang-btn{cursor:pointer}.hd-lang-flag{width:20px;height:15px;border-radius:3px;object-fit:cover;flex-shrink:0}.hd-lang-cur{font-family:var(--mono);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.hd-lang-drop{left:auto;right:0;min-width:320px;grid-template-columns:1fr 1fr}.hd-lang-drop a{align-items:center;gap:9px;padding:8px 10px}.hd-lang-drop img{width:20px;height:15px;border-radius:3px;flex-shrink:0;object-fit:cover}.hd-lang-name{font-size:13px;font-weight:500;color:var(--ink-2)}.hd-lang-drop a:hover .hd-lang-name{color:var(--ink)}.hd-lang-drop a.is-active{background:var(--surf-2)}.hd-lang-drop a.is-active .hd-lang-name{color:var(--ink);font-weight:600}@media(max-width:480px){.hd-lang-drop{min-width:260px;left:auto;right:0}}.ft-lang{padding:4px 0 24px}.ft-lang .ft-col-t{margin-bottom:12px}.ft-lang-row{display:flex;flex-wrap:wrap;gap:9px 18px}.ft-lang-row a{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(232,235,242,.7)}.ft-lang-row a:hover{color:#fff}.ft-lang-row img{width:20px;height:15px;border-radius:3px;object-fit:cover}.ft-lang-row a.is-active{color:#fff;font-weight:600}