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.hide-m{display:none}}.ds-guest .menu-btn{border:1px solid var(--line);background:var(--surface);border-radius:999px;width:38px;height:38px;display:none}@media (max-width:820px){.ds-guest .menu-btn{place-items:center;display:inline-grid}.ds-guest .top nav.pub{display:none}}.ds-guest .drawer-m{background:var(--surface);border-bottom:1px solid var(--line);z-index:39;gap:4px;padding:10px 20px 18px;display:grid;position:fixed;inset:60px 0 auto}.ds-guest .drawer-m a{color:var(--ink);border-bottom:1px solid var(--line);padding:10px 4px;font-weight:600;text-decoration:none}.ds-guest .btn{border:1px solid var(--line-strong);background:var(--surface);min-height:44px;color:var(--ink);white-space:nowrap;border-radius:999px;justify-content:center;align-items:center;gap:8px;padding:0 20px;font-weight:650;text-decoration:none;transition:transform .12s,background .15s,border-color .15s;display:inline-flex}.ds-guest .btn:hover{border-color:var(--ink2)}.ds-guest 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a{padding:0;display:inline}.ds-guest footer.night .f-lang a[aria-current]{opacity:1;color:#fff;font-weight:650}.ds-guest .dsw button:disabled{opacity:.4;cursor:not-allowed}.ds-guest .top .wrap{gap:14px}.ds-guest .top nav.app{gap:2px;display:flex}.ds-guest .top nav.app a{color:var(--ink2);white-space:nowrap;border-radius:999px;padding:7px 12px;font-size:14px;font-weight:600;text-decoration:none}.ds-guest .top nav.app a:hover{background:var(--subtle);color:var(--ink)}.ds-guest .top nav.app a[aria-current=page]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #1428231a}.ds-guest .hbtn{height:36px;color:var(--ink2);white-space:nowrap;background:0 0;border:0;border-radius:999px;align-items:center;gap:6px;padding:0 10px;font-size:13.5px;display:inline-flex}.ds-guest .hbtn:hover,.ds-guest .hbtn[aria-expanded=true]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px #1428231a}.ds-guest .hbtn 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a{color:var(--act);padding:0;font-size:13px;font-weight:650}.ds-guest .aplan a:hover{background:0 0;text-decoration:underline}.ds-guest .bk{color:var(--act);white-space:nowrap;align-items:center;gap:2px;font-size:15px;font-weight:600;text-decoration:none;display:none}.ds-guest .bk:before{content:"‹";margin-top:-3px;font-size:24px;line-height:1}.ds-guest .pgph{gap:18px;padding-block:40px 56px;display:grid}.ds-guest .pgph h1{letter-spacing:-.01em;font-size:32px;font-weight:750;line-height:1.25}.ds-guest .pgph .lead{color:var(--ink2);max-width:720px;font-size:16px}.ds-guest .ghost-blocks{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.ds-guest .ghost-blocks div{background:var(--surface);border:1px solid var(--line);border-radius:18px;height:120px}.ds-guest .rules{background:var(--surface);border:1px solid var(--line);color:var(--ink2);border-radius:18px;padding:18px 20px;font-size:14px}.ds-guest .rules h2{color:var(--ink);margin-bottom:8px;font-size:15px}.ds-guest 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a[aria-current=page]{color:var(--act)}.ds-guest .tabbar a[aria-current=page] svg{stroke-width:2px}.ds-guest .tabs .site-mini-footer{padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}.ds-guest .tabs footer.night{padding-bottom:calc(116px + env(safe-area-inset-bottom,0px))}.ds-guest .pmenu{min-width:0;position:fixed;top:64px;left:12px;right:12px}.ds-guest .pgph h1{font-size:27px}.ds-guest .ghost-blocks{grid-template-columns:1fr}.ds-guest .drawer-m .dl{border-top:1px solid var(--line);flex-wrap:wrap;gap:8px;margin-top:6px;padding:8px 4px 2px;display:flex}.ds-guest .drawer-m .dl a{border:1px solid var(--line);border-radius:999px;padding:5px 12px;font-size:13px;font-weight:600}.ds-guest .drawer-m .dl a[aria-current=true]{border-color:var(--act);color:var(--act)}}.ds-guest footer.night .f-cols{grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));align-items:baseline;gap:32px 48px;margin-top:0}.ds-guest footer.night .f-brand{flex-direction:column;align-items:flex-start;min-width:0;display:flex}.ds-guest footer.night .f-brand .site-logo{font-size:21px}.ds-guest footer.night .f-tagline{white-space:pre-line;color:#fff;font-family:var(--display);margin:15px 0 0;font-size:28px;font-style:normal;font-weight:500;line-height:1.25}.ds-guest footer.night .f-social{flex-wrap:wrap;gap:4px 14px;margin-top:20px;font-size:13px;display:flex}.ds-guest footer.night .f-social a{color:var(--night-ink);opacity:.8;padding:0;text-decoration:none;display:inline}.ds-guest footer.night .f-social a:hover,.ds-guest footer.night .f-social a:focus-visible{opacity:1;text-decoration:underline}@media (max-width:640px){.ds-guest footer.night .f-cols{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 20px}.ds-guest footer.night .f-brand{grid-column:1/-1}.ds-guest footer.night .f-tagline{font-size:22px}}.ds-guest footer.night .f-bar{color:color-mix(in srgb, var(--night-ink) 70%, 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.site-language-option:focus-visible{background:var(--subtle);color:var(--ink);text-decoration:none}.ds-guest footer.night .f-lang-control .site-language-option[aria-current=page]{background:var(--cel-light);color:var(--cel);font-weight:650}@media (max-width:640px){.ds-guest footer.night .f-bar{flex-direction:column;align-items:stretch;gap:8px}.ds-guest footer.night .f-bar .f-bar-links{order:1}.ds-guest footer.night .f-bar .legal{order:2}}.ds-guest .site-mini-footer{padding:16px 0 calc(18px + env(safe-area-inset-bottom,0px));color:var(--muted);font-size:12.5px;line-height:1.6}.ds-guest .site-mini-footer .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px 16px;display:flex}.ds-guest .site-mini-footer nav{flex-wrap:wrap;align-items:center;gap:0 6px;display:flex}.ds-guest .site-mini-footer a{color:var(--muted);text-decoration:none}.ds-guest .site-mini-footer a:hover{color:var(--ink2)}.ds-guest .site-mini-footer p{margin:0}.ds-guest{--display:"CSCA Brand Serif", "CSCA Brand Serif SC", "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif}.ds-guest .dsw{border:1px solid var(--act);border-radius:999px;display:inline-flex;overflow:hidden}.ds-guest .dsw button{color:var(--act-deep);background:0 0;border:0;padding:2px 10px;font-size:12px}.ds-guest .dsw button.on{background:var(--act);color:var(--on-act)}.ds-guest main.pg{padding-bottom:8px}.ds-guest .btn.big{min-height:52px;padding:0 30px;font-size:16.5px}.ds-guest .login-l{color:var(--muted);font-size:13.5px}.ds-guest .login-l a,.ds-guest .rule a{color:var(--act);font-weight:650;text-decoration:none}.ds-guest .login-l a:hover,.ds-guest .rule a:hover{text-underline-offset:3px;text-decoration:underline}.ds-guest .mhead{padding-block:34px 18px}@media (max-width:640px){.ds-guest .mhead{padding-top:22px}.ds-guest .mhead h1{font-size:30px}}.ds-guest .join{background:var(--act-soft);border-radius:20px;flex-wrap:wrap;align-items:center;gap:14px 24px;padding:20px 24px;display:flex}.ds-guest .join 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