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.github-link{border-color:var(--line);color:var(--ink-soft);background:var(--surface-soft)}.nav-container{gap:.85rem}.logo{flex-shrink:0}.logo span{font-size:2.1rem;letter-spacing:1px}.logo i{font-size:1.4rem;color:var(--brand-mark)}.nav-menu{gap:.05rem}.nav-link{padding:.5rem .55rem;border-radius:0;color:var(--ink-muted);background:transparent;font-weight:400}.nav-link:hover,.nav-link.active{color:var(--ink);background:transparent}.nav-link.active{text-decoration:underline;text-underline-offset:.55rem;text-decoration-thickness:1px}.dropdown-menu,.auth-dropdown-menu{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:var(--shadow-float)}.dropdown-link,.auth-provider-btn{color:var(--ink-soft)}.dropdown-link:hover,.dropdown-link.active,.auth-provider-btn:hover{color:var(--ink);background:var(--surface-soft)}.auth-login-btn{min-height:36px;padding:.35rem .5rem;color:var(--ink-muted);border:1px solid transparent;border-radius:var(--radius-control);background:transparent}.auth-login-btn:hover{color:var(--ink);border-color:var(--line);background:var(--surface-soft)}.auth-logout-btn{color:var(--ink-muted);border-color:var(--line);background:transparent}.auth-avatar-icon{color:var(--ink-muted)}.nav-search-disclosure{position:relative;flex:0 0 36px}.nav-search-trigger{display:grid;place-items:center;width:36px;height:36px;border:1px solid transparent;border-radius:4px;color:var(--ink-soft);background:transparent;cursor:pointer}.nav-search-trigger:hover,.nav-search-trigger[aria-expanded=true]{background:var(--surface-soft);border-color:var(--line)}.nav-search-panel{position:absolute;top:calc(100% + 1.2rem);right:0;width:min(340px,calc(100vw - 32px));padding:.65rem;border:1px solid var(--line);border-radius:6px;background:var(--surface);box-shadow:var(--shadow-float)}.nav-search-panel .nav-search{display:flex;width:100%}.nav-search-panel .nav-search-results{position:static;margin-top:.4rem;width:100%;border:0;box-shadow:none}.nav-search-panel .nav-search{flex-wrap:wrap}.nav-search-panel .nav-search-icon{top:12px}@media(max-width:1320px)and (min-width:1101px){.nav-container{gap:.55rem}.nav-menu{gap:0;background:var(--surface);backdrop-filter:none;-webkit-backdrop-filter:none;transition:none}.nav-link{padding-inline:.5rem}.logo span{font-size:2rem}}@media(max-width:1100px){.nav-search-disclosure{display:none}.theme-toggle{margin-left:auto;width:36px;height:36px;flex:0 0 36px;border:1px solid transparent;border-radius:var(--radius-control);color:var(--ink-muted);background:transparent;transition:color .14s ease,background-color .14s ease}.hamburger{display:grid;width:40px;height:40px;flex:0 0 40px;place-items:center;border:0;border-radius:9px;color:var(--ink);background:transparent}.nav-menu{position:fixed;top:var(--nav-height);left:-100%;width:100%;height:calc(100dvh - var(--nav-height));display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:.45rem;padding:1.7rem 16px 4rem;overflow-y:auto;overscroll-behavior:contain;color:var(--ink);background:var(--surface);visibility:hidden;pointer-events:none;transition:none;z-index:998;backdrop-filter:none;-webkit-backdrop-filter:none}.nav-menu.active{left:0;visibility:visible;pointer-events:auto}.nav-item{width:min(92vw,420px)}.mobile-search-item{display:block;width:min(92vw,420px);margin-bottom:.3rem}.nav-search-mobile{display:flex;width:100%}.nav-search-mobile .nav-search-results{top:calc(100% + .3rem)}.nav-item .nav-link{display:block;width:100%;text-align:left;padding:.65rem .75rem}.nav-dropdown-trigger{display:flex;align-items:center;width:100%}.nav-dropdown-trigger .nav-link{flex:1}.nav-dropdown-trigger .nav-caret{display:none}.nav-dropdown-toggle{width:42px;height:42px;display:grid;place-items:center;flex:0 0 42px;border:0;border-radius:9px;color:var(--ink-muted);background:transparent}.nav-dropdown-toggle i{font-size:.72rem;transition:transform var(--duration-fast) ease}.nav-dropdown.mobile-expanded .nav-dropdown-toggle i{transform:rotate(180deg)}.nav-dropdown .dropdown-menu{position:static;display:none;min-width:0;max-height:none;margin-top:.2rem;padding:.35rem;overflow:visible;border-color:var(--line);background:transparent;box-shadow:none;border:0;border-left:1px solid var(--line);border-radius:0;margin:.2rem 0 .5rem .75rem}.nav-dropdown.mobile-expanded .dropdown-menu{display:block}.dropdown-menu:before{display:none}.dropdown-link{text-align:left}.auth-name{display:none}}@media(max-width:768px){.theme-toggle{width:36px;height:36px;flex-basis:36px;margin-left:auto;flex:0 0 36px;border:1px solid transparent;border-radius:var(--radius-control);color:var(--ink-muted);background:transparent;transition:color .14s ease,background-color .14s ease}.comments-section{width:calc(100% - 32px);padding:1.5rem 0;border:0;border-top:1px solid var(--line);border-radius:0;background:transparent;box-shadow:none}}@media(max-width:380px){.auth-login-btn{width:36px;height:36px;justify-content:center;padding:0}.auth-login-btn span{display:none}}.app-content .section-title:after{display:none}.app-content .section-header{margin-bottom:1.15rem;text-align:left}.app-content .page-wrapper{--page-bg: var(--canvas);--page-panel: var(--surface);--page-panel-soft: var(--surface-soft);--page-line: var(--line);--page-line-strong: var(--line-strong);--page-text: var(--ink-soft);--page-muted: var(--ink-muted);--page-heading: var(--ink);--page-accent: var(--accent);--primary: var(--accent);--primary-light: var(--accent-soft);--dark: var(--ink);--dark-lighter: var(--ink-soft);--gray: var(--ink-muted);--gray-light: var(--line);--light: var(--canvas);--text: var(--ink-soft);position:relative;min-width:0;min-height:100vh;padding-top:calc(75px + clamp(2.2rem,5vw,4.2rem));color:var(--ink-soft);background:var(--canvas)}.app-content .page-wrapper.page-direct{padding-top:calc(var(--nav-height) + clamp(1.15rem,2.5vw,2rem))}.app-content .page-wrapper.page-direct>.section:first-child{padding-top:.75rem}.app-content .page-header{width:min(calc(100% - 40px),1180px);margin:0 auto;padding:0 0 clamp(1.35rem,3vw,2rem);border:0;border-bottom:1px solid var(--line);border-radius:0;color:var(--ink);text-align:left;background:transparent;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none}.app-content .page-header:before,.app-content .page-header h1>i{display:none}.app-content .page-header h1{display:block;margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(1.85rem,3vw,2.6rem);font-weight:600;line-height:1.08;letter-spacing:normal}.app-content .page-header p{max-width:46rem;margin:.65rem 0 0;color:var(--ink-muted);font-size:.92rem}.app-content .section{padding:clamp(1.6rem,4vw,2.6rem) 0 clamp(4rem,8vw,6.5rem)}.app-content .section+.section{padding-top:0}.app-content .plain-resource-link{display:block;padding:1rem 0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);color:var(--ink);font-size:1rem;font-weight:600}.app-content .plain-resource-link:hover{color:var(--accent)}.app-content .section-title,.app-content .subject-section-header .section-title,.app-content .keyboard-head h2,.app-content .acgn-header h2{width:fit-content;margin:0;color:var(--ink);font-family:var(--font-display);font-size:clamp(1.35rem,2.5vw,1.9rem);font-weight:600;line-height:1.18;letter-spacing:normal}.app-content .section-desc{margin:.5rem 0 0;color:var(--ink-muted)}.app-content .grid{gap:1rem}.app-content :is(.card,.travel-container,.keyboard-shell,.github-link,.text-file-panel,.qq-item,.media-item,.acgn-toggle,.loading-overlay,.stat-card,.leaderboard,.key){border-color:var(--line);color:var(--ink-soft);background:var(--surface);box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}.app-content .card{border:1px solid var(--line);border-radius:var(--radius-lg)}.app-content .card:hover{transform:none;border-color:var(--line-strong);background:var(--surface);box-shadow:none}.app-content .card-content{padding:clamp(1.2rem,3vw,1.8rem)}.app-content .card-title{color:var(--ink);font-family:var(--font-display);font-size:1.2rem;font-weight:600}.app-content .card-title>i{display:none}.app-content .card-desc{color:var(--ink-soft)}.app-content :is(.tag,.ext-link){border:1px solid var(--line);border-radius:7px;color:var(--ink-soft);background:var(--surface-soft);box-shadow:none}.app-content .ext-link:hover{color:var(--accent);background:var(--accent-soft);transform:none;box-shadow:none}.app-content .card-link:hover{color:var(--accent-hover);transform:none}.app-content .placeholder-box{padding:1.25rem .2rem;border:0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);border-radius:0;color:var(--ink-muted);text-align:left;background:transparent}.app-content .placeholder-box>i{display:none}.app-content .empty-state{max-width:42rem;margin-inline:auto;padding-block:clamp(3rem,10vw,8rem);color:var(--ink-muted);text-align:center}.app-content .empty-state h1{margin:0;color:var(--ink);font-size:clamp(3rem,10vw,6rem);line-height:1}.app-content .empty-state p{margin:1rem 0}.app-content .empty-state a{color:var(--accent);font-weight:600}.app-content :is(.travel-container,.keyboard-shell){border:0;border-radius:0;padding:0;background:transparent}.app-content :is(.text-file-title,.github-link-title){color:var(--ink)}.app-content :is(.github-link-meta,.github-link-action){color:var(--ink-muted)}.app-content .github-link-icon{border-color:var(--line);color:var(--ink);background:var(--surface-soft)}.app-content .github-link{min-height:0;padding:1rem .2rem;border:0;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);border-radius:0;color:var(--ink);background:transparent;box-shadow:none}.app-content .github-link:hover{transform:none;color:var(--accent);background:transparent;box-shadow:none}.app-content .github-link-icon,.app-content .github-link-action{display:none}.app-content .github-link-meta{color:var(--ink-muted)}@media(max-width:768px){.app-content .page-wrapper{padding-top:calc(75px + 1.4rem)}.app-content .page-header{width:calc(100% - 32px);padding-bottom:1.15rem}.app-content .page-header h1{font-size:clamp(1.75rem,8vw,2.25rem)}.app-content .page-header p{font-size:.84rem}}@media(prefers-reduced-motion:reduce){.app-content :is(.card:hover,.media-item:hover,.download-item:hover){transform:none}}