.namcha-topnav{--nu:calc(100vw / 1672);position:absolute;inset:0 0 auto;width:100vw;height:calc(96 * var(--nu));margin:0;padding:0;border:0;overflow:visible;background:transparent;color:#fff;z-index:2147483647;pointer-events:none;font-family:Microsoft YaHei,Arial,sans-serif;box-sizing:border-box}.namcha-topnav *,.namcha-topnav *:before,.namcha-topnav *:after{box-sizing:border-box}.namcha-topnav button,.namcha-topnav a{padding:0;border:0;background:transparent;text-decoration:none;cursor:pointer;-webkit-tap-highlight-color:transparent;pointer-events:auto}.nt-mark{display:block;position:absolute;mask-image:var(--nt-mask);mask-size:100% 100%;mask-position:center;mask-repeat:no-repeat;backdrop-filter:grayscale(1) invert(1) contrast(12);opacity:.9;pointer-events:none}.nt-brand{position:absolute;left:calc(64 * var(--nu));top:calc(18 * var(--nu));width:calc(304 * var(--nu));height:calc(56 * var(--nu))}.nt-symbol{--nt-mask:url(assets/top-nav/symbol.svg);left:0;top:calc(2 * var(--nu));width:calc(90 * var(--nu));height:calc(52 * var(--nu))}.nt-wordmark{--nt-mask:url(assets/top-nav/wordmark.svg);left:calc(104 * var(--nu));top:calc(24 * var(--nu));width:calc(198 * var(--nu));height:calc(18.5 * var(--nu))}.nt-stacked{--nt-mask:url(assets/namcha-brand-story-logo.svg);display:none}.nt-brand-divider{left:calc(409 * var(--nu));top:calc(32 * var(--nu));width:1px;height:calc(38 * var(--nu));mask-image:none;opacity:.45}.nt-links{position:absolute;left:calc(440 * var(--nu));top:calc(31 * var(--nu));display:flex;height:calc(49 * var(--nu))}.nt-link{position:relative;display:block;width:calc(110 * var(--nu));height:100%;color:transparent}.nt-link .nt-cn{inset:0 0 auto;height:calc(24 * var(--nu))}.nt-link .nt-en{inset:calc(21 * var(--nu)) 0 auto;height:calc(18 * var(--nu))}html.namcha-chinese .nt-link .nt-en,html.namcha-chinese .nt-panel-nav a>span{display:none}html.namcha-chinese .nt-link .nt-cn{top:calc(10 * var(--nu))}.nt-link:after{content:"";position:absolute;left:50%;bottom:calc(1 * var(--nu));width:calc(46 * var(--nu));height:calc(1.5 * var(--nu));transform:translate(-50%) scaleX(0);backdrop-filter:grayscale(1) invert(1) contrast(12);opacity:.9;transition:transform .24s cubic-bezier(.22,.8,.25,1)}.nt-link:hover:after{transform:translate(-50%) scaleX(1)}.nt-link .nt-mark{transition:translate .24s cubic-bezier(.22,.8,.25,1)}.nt-link:hover .nt-mark,.nt-link:focus-visible .nt-mark{translate:0 -3px}.nt-tools{position:absolute;right:calc(42 * var(--nu));top:calc(28 * var(--nu));display:grid;grid-template-columns:calc(38 * var(--nu)) 1px calc(46 * var(--nu));column-gap:calc(24.5 * var(--nu));height:calc(46 * var(--nu));align-items:center}.nt-tool{position:relative;width:100%;height:100%;color:transparent}.nt-search-icon{--nt-mask:url(assets/top-nav/search.svg);width:calc(34 * var(--nu));height:calc(34 * var(--nu));left:50%;top:50%;transform:translate(-50%,-50%)}.nt-tool-divider{position:relative;width:1px;height:calc(38 * var(--nu));mask-image:none;opacity:.45}.nt-menu-icon{--nt-mask:url(assets/top-nav/menu-two.svg);inset:0}.nt-tool[aria-expanded=true] .nt-menu-icon,.nt-tool[aria-expanded=true] .nt-search-icon{--nt-mask:url(assets/top-nav/close.svg)}.namcha-topnav[data-layout=stacked]{width:100%;height:calc(132 * var(--nu));translate:calc(43 * var(--nu)) 0}[data-layout=stacked] .nt-brand{left:calc(59 * var(--nu));top:calc(35 * var(--nu));width:calc(146 * var(--nu));height:calc(74 * var(--nu))}[data-layout=stacked] .nt-symbol,[data-layout=stacked] .nt-wordmark,[data-layout=stacked] .nt-brand-divider,[data-layout=stacked] .nt-en,[data-layout=stacked] .nt-tool-divider{display:none}[data-layout=stacked] .nt-stacked{display:block;inset:0}[data-layout=stacked] .nt-links{left:calc(257 * var(--nu));top:calc(53 * var(--nu));height:calc(41 * var(--nu))}[data-layout=stacked] .nt-cn{height:calc(28 * var(--nu))}[data-layout=stacked] .nt-link:after{width:calc(36 * var(--nu))}[data-layout=stacked] .nt-tools{right:calc(54 * var(--nu));top:calc(49 * var(--nu));grid-template-columns:calc(34 * var(--nu)) calc(34 * var(--nu));column-gap:calc(30 * var(--nu));height:calc(34 * var(--nu))}[data-layout=stacked] .nt-search-icon{width:calc(29 * var(--nu));height:calc(29 * var(--nu))}[data-layout=stacked] .nt-menu-icon{--nt-mask:url(assets/top-nav/menu.svg);top:calc(4 * var(--nu));bottom:calc(4 * var(--nu))}.namcha-topnav button:focus-visible,.namcha-topnav a:focus-visible{outline:1px solid #9cc9e5;outline-offset:6px;border-radius:1px}.nt-panel{position:absolute;right:max(24px,calc(54 * var(--nu)));top:calc(100 * var(--nu));width:min(420px,calc(100vw - 32px));max-height:calc(100dvh - 150px);overflow:auto;padding:26px;background:#0c1318f5;border:1px solid #46515a;color:#f1f4f6;box-shadow:0 14px 48px #0004;pointer-events:auto}.nt-panel[hidden]{display:none}.nt-panel h2{font:400 12px/1.5 Arial,sans-serif;letter-spacing:.25em;color:#9cc9e5;margin:0 0 20px}.nt-panel-nav{display:grid}.nt-panel a{display:flex;align-items:center;justify-content:space-between;padding:14px 0;color:inherit;border-bottom:1px solid #ffffff20;font-size:17px;line-height:1.5}.nt-panel a span{font:400 11px/1.5 Arial,sans-serif;letter-spacing:.12em;color:#a7b2ba}.nt-panel a:hover,.nt-panel a:focus-visible{color:#9cc9e5}.nt-panel label{display:block;margin-bottom:12px;font-size:16px}.nt-panel input{width:100%;min-height:44px;border:0;border-bottom:1px solid #93b6c9;background:transparent;color:#fff;font:400 16px/1.5 Microsoft YaHei,sans-serif;padding:10px 0;outline-offset:4px;border-radius:0}.nt-results{margin-top:14px}.nt-empty{font-size:14px;line-height:1.7;color:#a7b2ba}@media(max-width:900px){.namcha-topnav{--nu:1px;height:76px}.nt-brand{left:20px;top:18px;width:196px;height:38px}.nt-symbol{width:58px;height:34px;top:1px}.nt-wordmark{left:68px;top:15px;width:128px;height:12px}.nt-brand-divider,.nt-links,.nt-tool-divider{display:none}.nt-tools{right:14px;top:20px;height:34px;grid-template-columns:34px 34px;column-gap:14px}.nt-search-icon{width:29px;height:29px}.nt-menu-icon{inset:0}.namcha-topnav[data-layout=stacked]{height:88px;translate:4px 0}[data-layout=stacked] .nt-brand{left:20px;top:14px;width:104px;height:53px}[data-layout=stacked] .nt-tools{right:14px;top:23px;height:34px;grid-template-columns:34px 34px;column-gap:14px}.nt-panel{top:88px;right:16px;padding:22px;max-height:calc(100dvh - 108px)}}@media(prefers-reduced-transparency:reduce){.nt-panel{background:#0c1318}}@media(prefers-reduced-motion:reduce){.nt-link:after,.nt-link .nt-mark{transition:none}.nt-link:hover .nt-mark,.nt-link:focus-visible .nt-mark{translate:none}}