:root{--xk-nav-ink: #1a1816;--xk-nav-muted: #5a544e;--xk-nav-red: #991a1a;--xk-nav-paper: #fffdf9;--xk-nav-line: rgba(26, 24, 22, .12);--xk-nav-serif: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", STSong, SimSun, serif}.site-header,#global-pc-nav,#global-mobile-nav{font-family:var(--xk-nav-serif)!important}.site-header,#global-pc-nav{position:sticky!important;top:0;z-index:300!important;width:100%;color:var(--xk-nav-ink);background:#fffdf9f5!important;border-bottom:1px solid var(--xk-nav-line)!important;box-shadow:0 1px #fffc,0 8px 26px #1a181609!important;-webkit-backdrop-filter:blur(14px)!important;backdrop-filter:blur(14px)!important}.site-header .nav-shell,#global-pc-nav .gnav-in{width:min(100% - 40px,1280px)!important;min-height:72px!important;margin:0 auto!important;padding:0!important;display:flex!important;align-items:center!important;justify-content:space-between!important;gap:24px!important;box-sizing:border-box}.site-header .brand,#global-pc-nav .gnav-logo{min-width:-moz-max-content;min-width:max-content;display:flex!important;align-items:center!important;gap:10px!important;color:var(--xk-nav-ink)!important;font-size:18px!important;font-weight:900!important;line-height:1!important;letter-spacing:.04em!important;text-decoration:none!important}#global-pc-nav .gnav-logo img,#global-pc-nav .gnav-seal,.site-header .brand-seal{width:34px!important;height:34px!important;border-radius:0!important}#global-pc-nav .gnav-seal,.site-header .brand-seal{display:grid;place-items:center;color:#fff;background:var(--xk-nav-red);font-size:17px}.site-header .brand-type,.gnav-type,.site-header .brand-type strong,.gnav-type strong,.site-header .brand-cn{font-size:16px!important;font-weight:900!important;line-height:1.08!important;letter-spacing:.08em!important}.site-header .brand-type small,.gnav-type small,.site-header .brand-en{display:block;margin-top:5px;color:var(--xk-nav-muted);font-family:ui-monospace,SFMono-Regular,Menlo,monospace!important;font-size:8px!important;font-weight:700!important;letter-spacing:.18em!important}.site-header .desktop-nav,#global-pc-nav .gnav-links{display:flex!important;align-items:center!important;justify-content:center;gap:clamp(18px,2.1vw,30px)!important;margin-left:auto;overflow:visible!important}.site-header .desktop-nav h3,#global-pc-nav .gnav-links h2{margin:0!important;font-size:13px!important;line-height:1!important}.site-header .desktop-nav a,#global-pc-nav .gnav-links a{display:inline-block;padding:27px 0 24px!important;color:var(--xk-nav-muted)!important;border:0!important;border-bottom:2px solid transparent!important;font-size:13px!important;font-weight:800!important;line-height:1!important;letter-spacing:.08em!important;opacity:.62!important;text-decoration:none!important;text-transform:none!important;white-space:nowrap}.site-header .desktop-nav a:hover,#global-pc-nav .gnav-links a:hover{color:var(--xk-nav-red)!important;opacity:1!important}.site-header .desktop-nav a.nav-current-link,#global-pc-nav .gnav-links a.on{color:var(--xk-nav-red)!important;border-bottom-color:var(--xk-nav-red)!important;opacity:1!important}.site-header .nav-actions,#global-pc-nav .gnav-right{min-width:-moz-max-content;min-width:max-content;display:flex!important;align-items:center!important;gap:9px!important}.site-header .language-switch,.site-header .login-button,.site-header .nav-auth-button,#global-pc-nav .gnav-lang summary,#global-pc-nav .gnav-login{min-height:36px!important;box-sizing:border-box;border:1px solid rgba(26,24,22,.16)!important;border-radius:0!important;color:var(--xk-nav-muted)!important;background:#ffffffb8!important;font-family:var(--xk-nav-serif)!important;font-size:12px!important;font-weight:800!important;letter-spacing:.04em!important}#global-pc-nav .gnav-lang summary{padding:9px 11px!important}#global-pc-nav .gnav-login,.site-header .login-button,.site-header .nav-auth-button{padding:0 13px!important}#global-pc-nav .gnav-lang-menu,.site-header .language-menu{top:calc(100% + 8px)!important;min-width:148px!important;padding:7px!important;border:1px solid var(--xk-nav-line)!important;border-radius:0!important;background:var(--xk-nav-paper)!important;box-shadow:0 18px 48px #1a181624!important}#global-pc-nav .gnav-lang-menu a,.site-header .language-menu a{padding:9px 11px!important;border:0!important;border-radius:0!important;font-size:13px!important;font-weight:700!important;letter-spacing:0!important;opacity:1!important;text-transform:none!important}#global-static-mobile-nav{display:none}body.xk-intro-open{overflow:hidden!important}.xk-language-intro[hidden]{display:none!important}.xk-language-intro{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1200;display:grid;place-items:center;padding:24px;color:var(--xk-nav-ink);background:#1a18169e;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);font-family:var(--xk-nav-serif)}.xk-language-intro-panel{position:relative;width:min(780px,100%);max-height:min(760px,calc(100vh - 48px));overflow:auto;padding:clamp(30px,5vw,64px);box-sizing:border-box;background:linear-gradient(90deg,transparent 0 18px,rgba(153,26,26,.08) 18px 19px,transparent 19px),var(--xk-nav-paper);border:1px solid rgba(255,255,255,.7);box-shadow:0 34px 100px #0000004d}.xk-language-intro-panel:before{content:"玄";position:absolute;right:32px;bottom:8px;color:#991a1a0b;font:900 160px/1 STKaiti,KaiTi,serif;transform:rotate(-8deg);pointer-events:none}.xk-language-intro-kicker{margin:0 0 18px;color:var(--xk-nav-red);font:800 11px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.22em}.xk-language-intro h1{position:relative;margin:0 42px 18px 0;font-size:clamp(28px,4vw,48px);font-weight:900;line-height:1.1;letter-spacing:-.035em}.xk-language-intro-lead{position:relative;margin:0 0 20px;color:var(--xk-nav-muted);font-size:16px;line-height:1.8}.xk-language-intro ol{position:relative;margin:0;padding:18px 0 18px 24px;border-top:1px solid var(--xk-nav-line);border-bottom:1px solid var(--xk-nav-line);font-size:14px;line-height:1.8}.xk-language-intro-links{position:relative;display:flex;flex-wrap:wrap;gap:10px 22px;margin:20px 0 12px}.xk-language-intro-links a{color:var(--xk-nav-red);font-size:14px;font-weight:800;text-decoration:none}.xk-language-intro-note{position:relative;margin:0;color:var(--xk-nav-muted);font-size:12px;line-height:1.65}.xk-language-intro-actions{position:relative;display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.xk-language-intro-actions button{min-height:42px;padding:0 20px;border:1px solid var(--xk-nav-red);border-radius:0;background:var(--xk-nav-red);color:#fff;font:800 13px/1 var(--xk-nav-serif);cursor:pointer}.xk-language-intro-actions button:last-child{color:var(--xk-nav-red);background:transparent}.xk-language-intro-x{position:absolute;z-index:2;top:18px;right:20px;width:42px;height:42px;border:1px solid var(--xk-nav-line);background:transparent;color:var(--xk-nav-red);font:300 28px/1 sans-serif;cursor:pointer}@media(max-width:1199px){#global-pc-nav{display:none!important}#global-static-mobile-nav{position:sticky;top:0;z-index:300;min-height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;color:var(--xk-nav-ink);background:#fffdf9f7;border-bottom:1px solid var(--xk-nav-line);font-family:var(--xk-nav-serif);box-sizing:border-box}#global-static-mobile-nav .gsm-brand{display:flex;align-items:center;gap:9px;color:var(--xk-nav-ink);font-weight:900;text-decoration:none}#global-static-mobile-nav .gsm-seal{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--xk-nav-red)}#global-static-mobile-nav details{position:relative}#global-static-mobile-nav summary{list-style:none;width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--xk-nav-line);color:var(--xk-nav-red);background:#fff;cursor:pointer}#global-static-mobile-nav summary::-webkit-details-marker{display:none}#global-static-mobile-nav .gsm-drawer{position:absolute;right:0;top:calc(100% + 10px);width:min(330px,calc(100vw - 24px));padding:10px;background:var(--xk-nav-paper);border:1px solid var(--xk-nav-line);box-shadow:0 20px 56px #1a18162e}#global-static-mobile-nav .gsm-links{display:grid}#global-static-mobile-nav .gsm-links a{padding:13px 12px;color:var(--xk-nav-ink);border-bottom:1px solid var(--xk-nav-line);font-size:15px;font-weight:800;text-decoration:none}#global-static-mobile-nav .gnav-lang{margin:10px 0 2px 8px}#global-mobile-nav{height:62px!important;color:var(--xk-nav-ink)!important;background:#fffdf9f7!important;border-bottom:1px solid var(--xk-nav-line)!important}#global-mobile-nav>div:first-child{padding:0 16px!important}.site-header .nav-shell{width:calc(100% - 28px)!important;min-height:62px!important}.site-header .desktop-nav,.site-header .login-button,.site-header .nav-auth-button{display:none!important}.site-header .brand-seal{width:34px!important;height:34px!important}}@media(min-width:1200px){#global-mobile-nav,.site-header .mobile-menu,.site-header .menu-button,.site-header .mobile-drawer{display:none!important}}