:root{color-scheme:light;--page:#f7f9fc;--surface:#fff;--ink:#142238;--muted:#4c6078;--line:#dbe4ef;--strong:#bdcce2;--accent:#174bb8;--primary:#1c50be;--on-primary:#fff;--soft:#edf3fc;--branch:#a6b8d4;--focus:#1c50be;--auth:#634bd4;--auth-ink:#fff;--shade:#17284055;font-family:system-ui,"Microsoft YaHei","PingFang SC",sans-serif}

:root[data-theme=dark]{color-scheme:dark;--page:#0e1726;--surface:#142032;--ink:#eef4ff;--muted:#b4c1d7;--line:#2a3a51;--strong:#486082;--accent:#a0c3ff;--primary:#9cbeff;--on-primary:#112544;--soft:#1a2b44;--branch:#557199;--focus:#a0c3ff;--auth:#b7a8ff;--auth-ink:#21124c;--shade:#060b16a5}

*{box-sizing:border-box}html{color:var(--ink);background:var(--page)}body{margin:0;min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}h1,h2,p{margin:0}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}svg{display:block;width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}.symbols{width:0;height:0;position:absolute;overflow:hidden}[hidden]{display:none!important}button:focus-visible,a:focus-visible,main:focus-visible{outline:2px solid var(--focus);outline-offset:4px}.wrap{width:min(1112px,calc(100% - 72px));margin-inline:auto}.skip{position:absolute;z-index:4;top:8px;left:12px;transform:translateY(-150%);background:var(--surface);border:1px solid var(--strong);padding:8px 10px}.skip:focus{transform:none}

.top{background:var(--surface);border-bottom:1px solid var(--line)}.top-row{height:66px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand{display:inline-flex;align-items:center;gap:7px;width:max-content;font-size:19px;font-weight:760;white-space:nowrap}.brand img{width:36px;height:36px;object-fit:contain}.top nav{display:flex;gap:28px;align-items:center;color:var(--muted);font-size:14px;white-space:nowrap}.top nav a{padding-block:8px}.top nav a:hover{color:var(--accent)}.actions,.account{display:flex;align-items:center;gap:8px}.actions{justify-self:end}.button,.theme,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:38px;padding-inline:12px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-weight:660;white-space:nowrap}.theme,.outline,.icon-button{background:var(--surface);color:var(--ink)}.primary{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}.theme{color:var(--muted);font-size:13px}.theme:hover,.outline:hover,.icon-button:hover{background:var(--soft);border-color:var(--strong)}.theme svg,.avatar svg,.icon-button svg{width:16px;height:16px}.theme .moon,[data-theme=dark] .theme .sun{display:none}[data-theme=dark] .theme .moon{display:block}.avatar{width:35px;height:35px;border-radius:50%;display:grid;place-items:center;background:var(--soft);color:var(--accent);border:1px solid var(--line)}

main{flex:1;display:grid;align-items:center}.hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.06fr);align-items:center;gap:clamp(24px,6vw,85px);padding:75px 0 90px}.eyebrow{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:680;letter-spacing:.06em;color:var(--muted)}.eyebrow span:first-child{width:16px;height:1px;background:var(--accent)}h1{margin:14px 0 17px;font-size:clamp(48px,5.1vw,73px);line-height:1.1;font-weight:770;letter-spacing:-.055em}h1 em{font-style:normal;color:var(--accent);letter-spacing:-.046em}.lead{font-size:16px;line-height:1.85;color:var(--muted)}.directory{display:grid;grid-template-columns:52px minmax(0,1fr);gap:7px;align-items:stretch}.branch{width:100%;height:100%;min-height:184px;color:var(--branch);stroke-width:1;overflow:visible}.branch circle{fill:var(--page)}.entries{display:grid;gap:14px}.entry{display:grid;grid-template-columns:41px minmax(0,1fr) 19px;gap:12px;align-items:center;width:100%;min-height:85px;text-align:left;padding:14px 15px 14px 13px;scroll-margin:16px;border:1px solid var(--line);border-radius:11px;background:var(--surface);transition:border-color 140ms ease,background-color 140ms ease}.entry:hover,.entry:target{border-color:var(--strong);background:var(--soft)}.entry-icon{width:39px;height:39px;border-radius:8px;background:var(--soft);color:var(--accent);display:grid;place-items:center}.entry-copy{display:grid;gap:3px}.entry-copy strong{font-size:18px;font-weight:730;line-height:1.28}.entry-copy>span{font-size:13px;color:var(--muted);line-height:1.55}.entry-arrow{width:18px;height:18px;color:var(--accent);transition:transform 140ms ease}.entry:hover .entry-arrow{transform:translateX(2px)}

footer{background:var(--surface);border-top:1px solid var(--line)}.footer-row{min-height:55px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted)}.footer-row>span:first-child{font-weight:670}.domain{font-family:ui-monospace,Consolas,monospace}

dialog{padding:0;max-width:calc(100% - 32px);max-height:calc(100dvh - 32px);overflow:auto;border:1px solid var(--line);border-radius:18px;background:var(--surface);color:var(--ink);box-shadow:0 14px 48px var(--shade)}dialog::backdrop{background:var(--shade)}.auth-dialog{width:418px}.dialog-inner{position:relative;padding:25px 29px 24px}.icon-button{position:absolute;right:13px;top:13px;width:34px;min-height:34px;padding:0;border-color:transparent}.auth-header{text-align:center}.auth-header img{width:42px;height:42px;object-fit:contain;display:block;margin:0 auto 2px}.auth-header p:first-of-type{color:var(--accent);font-size:12px;font-weight:710}.auth-header h2{margin-top:5px;font-size:26px;line-height:1.2}.auth-header #auth-note{color:var(--muted);margin-top:8px;font-size:12px;line-height:1.5}.switch-copy{margin-top:12px;text-align:center;color:var(--muted);font-size:13px}.text-button{border:0;background:none;padding:5px 3px;color:var(--accent);font-size:13px;font-weight:700}.text-button:hover{text-decoration:underline;text-underline-offset:3px}

@media(max-width:940px){.wrap{width:calc(100% - 60px)}.hero{gap:34px}.directory{grid-template-columns:40px minmax(0,1fr)}.lead{font-size:15px}}

@media(max-width:680px){.wrap{width:calc(100% - 36px)}.top-row{height:auto;min-height:85px;grid-template-columns:1fr auto;grid-template-rows:49px 36px;gap:0 8px}.brand{font-size:17px}.brand img{width:30px;height:30px}.top nav{grid-row:2;grid-column:1/-1;border-top:1px solid var(--line);gap:22px;font-size:13px}.top nav a{padding-block:6px}.theme{width:34px;min-height:34px;padding:0}.theme span{display:none}.actions .button{min-height:34px;padding-inline:10px;font-size:13px}main{align-items:start}.hero{grid-template-columns:1fr;gap:25px;padding:38px 0 31px}h1{font-size:clamp(42px,11vw,56px);margin:10px 0 13px}.lead{font-size:14px}.desktop-break{display:none}.directory{grid-template-columns:19px minmax(0,1fr);gap:6px}.branch{min-height:159px}.entries{gap:11px}.entry{min-height:74px;padding:10px;gap:9px;grid-template-columns:34px minmax(0,1fr) 17px}.entry-icon{width:34px;height:34px}.entry-icon svg{width:17px;height:17px}.entry-copy strong{font-size:16px}.entry-copy>span{font-size:12px}.entry-arrow{width:16px;height:16px}.dialog-inner{padding:21px 19px 17px}.footer-row{min-height:46px}}

@media(prefers-reduced-motion:reduce){.entry,.entry-arrow{transition:none}.entry:hover .entry-arrow{transform:none}}
.entry-unavailable{cursor:default}.entry-unavailable .entry-arrow{font-size:11px;width:auto;white-space:nowrap;color:var(--muted)}.entry-unavailable:hover{background:var(--surface);border-color:var(--line)}.entry-unavailable:hover .entry-arrow{transform:none}.entry-unavailable{grid-template-columns:41px minmax(0,1fr) auto}.auth-handoff{display:grid;gap:12px;margin-top:17px}.auth-handoff .button{width:100%;min-height:42px}.auth-handoff [aria-disabled=true]{color:var(--muted);background:var(--soft);border-color:var(--line);cursor:default}.auth-handoff a.primary{background:var(--auth);border-color:var(--auth);color:var(--auth-ink)}.auth-status{font-size:13px;color:var(--muted);line-height:1.55;margin-top:8px}.auth-feedback{position:fixed;z-index:3;right:18px;top:74px;max-width:min(360px,calc(100vw - 36px));padding:10px 12px;border:1px solid var(--line-strong,var(--strong));border-radius:9px;background:var(--surface);color:var(--ink);font-size:13px}.text-button[aria-disabled=true]{color:var(--muted);cursor:default}.text-button[aria-disabled=true]:hover{text-decoration:none}@media(max-width:680px){.entry-unavailable{grid-template-columns:34px minmax(0,1fr) auto}.entry-unavailable .entry-arrow{font-size:10px}}