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a:hover{background-color:#2c2c2c;color:#fff}}.language-switcher-host{display:flex;align-items:center}.language-switcher{display:flex;gap:var(--nb-space-1);background:var(--nb-bg-white);padding:var(--nb-space-1);border-radius:0!important;border:var(--nb-border-normal) solid var(--nb-border-dark);box-shadow:var(--nb-shadow-md);z-index:1000;transition:all var(--nb-transition-fast);align-items:center;flex-shrink:0;min-width:auto;flex-wrap:nowrap}.language-switcher.has-theme-toggle{gap:var(--nb-space-1)}#theme-switcher-container{display:flex;align-items:center;justify-content:center}.theme-toggle-wrapper{display:flex;align-items:center;margin-left:var(--nb-space-1);padding-left:var(--nb-space-1);border-left:var(--nb-border-normal) solid var(--nb-border-dark)}.theme-toggle-wrapper--solo{margin-left:0;padding-left:0;border-left:none}.theme-toggle{display:inline-flex;align-items:center;gap:var(--nb-space-1);padding:var(--nb-space-1) var(--nb-space-2);border:var(--nb-border-normal) solid var(--nb-border-dark);background:var(--nb-bg-white);color:var(--nb-text-primary);border-radius:0!important;cursor:pointer;font-size:var(--nb-text-xs);font-weight:var(--nb-font-bold);transition:all var(--nb-transition-fast);-webkit-user-select:none;user-select:none;outline:none;min-width:40px;justify-content:center;text-transform:uppercase;box-shadow:var(--nb-shadow-sm)}.theme-toggle__icon{font-size:var(--nb-text-sm);line-height:1}.theme-toggle__label{font-size:10px;letter-spacing:.05em;text-transform:uppercase}.theme-toggle:hover{background-color:var(--nb-accent-green);color:var(--nb-text-white);transform:translate(2px,2px);box-shadow:var(--nb-shadow-xs)}.theme-toggle:focus{outline:3px solid var(--nb-accent-green);outline-offset:2px}.theme-toggle:active{transform:translate(4px,4px);box-shadow:none}.theme-toggle--inline{height:100%}.theme-toggle-floating{position:fixed;top:1rem;right:1rem;z-index:1100;display:flex;align-items:center}.theme-toggle--floating{padding:var(--nb-space-3) var(--nb-space-4)}.language-switcher-floating{position:fixed;top:1rem;right:1rem}.language-switcher-inline{position:relative;top:auto;right:auto;left:auto;margin-left:auto;align-items:center}.lang-btn{padding:var(--nb-space-1) var(--nb-space-2);border:var(--nb-border-normal) solid var(--nb-border-dark);background:var(--nb-bg-white);color:var(--nb-text-primary);border-radius:0!important;cursor:pointer;font-size:var(--nb-text-xs);font-weight:var(--nb-font-bold);transition:all var(--nb-transition-fast);-webkit-user-select:none;user-select:none;outline:none;min-width:36px;text-align:center;position:relative;overflow:visible;text-transform:uppercase;box-shadow:var(--nb-shadow-sm)}.lang-btn:hover{background-color:var(--nb-accent-green);color:var(--nb-text-white);transform:translate(2px,2px);box-shadow:var(--nb-shadow-xs)}.lang-btn:focus{outline:3px solid var(--nb-accent-green);outline-offset:2px}.lang-btn.active{background-color:var(--nb-comp);color:var(--nb-text-white);box-shadow:var(--nb-shadow-md)}.lang-btn:active{transform:translate(4px,4px);box-shadow:none}.en-content,.zh-content{transition:opacity var(--nb-transition-fast)}.lang-zh .en-content{display:none}.lang-zh .zh-content{display:inline}body:not(.lang-zh) .en-content{display:inline}body:not(.lang-zh) .zh-content{display:none}@media(max-width:768px){.language-switcher-floating{top:var(--nb-space-3);right:var(--nb-space-3);padding:var(--nb-space-1);border-radius:0!important;gap:var(--nb-space-1)}.language-switcher-inline{margin:var(--nb-space-2) 0 0;max-width:fit-content;justify-content:flex-end;gap:var(--nb-space-1);padding:var(--nb-space-1);border-radius:0!important;min-width:auto;width:auto;flex-direction:row;flex-wrap:nowrap}.language-switcher-inline .lang-btn,.lang-btn{padding:var(--nb-space-1) var(--nb-space-3);font-size:var(--nb-text-xs);min-width:40px;border-radius:0!important}.theme-toggle-wrapper{margin-left:var(--nb-space-1);padding-left:var(--nb-space-1)}.theme-toggle{padding:var(--nb-space-1) var(--nb-space-2);font-size:var(--nb-text-xs);border-radius:0!important}.theme-toggle__label{font-size:var(--nb-text-xs)}.lang-btn:hover{transform:translate(1px,1px)}}@media(max-width:480px){.language-switcher{gap:var(--nb-space-1);padding:var(--nb-space-1);border-radius:0!important}.lang-btn{padding:var(--nb-space-1) var(--nb-space-2);font-size:var(--nb-text-xs);min-width:36px;border-radius:0!important;font-weight:var(--nb-font-bold)}.theme-toggle{padding:var(--nb-space-1) var(--nb-space-2);font-size:var(--nb-text-xs)}}@media(prefers-reduced-motion:reduce){.lang-btn,.theme-toggle,.en-content,.zh-content{transition:none}}@media(prefers-contrast:high){.lang-btn,.theme-toggle{border-width:var(--nb-border-thick);font-weight:var(--nb-font-bold)}.language-switcher{background-color:var(--nb-bg-white);border:var(--nb-border-thick) solid var(--nb-border-dark)}}@media print{.language-switcher{display:none}}.hamburger-menu-wrapper{position:relative;display:flex;align-items:center;margin-left:auto}.hamburger-menu-floating{position:fixed;top:var(--nb-space-5);right:var(--nb-space-5);z-index:1000}.hamburger-btn{display:flex;flex-direction:column;justify-content:center;align-items:center;width:40px;height:40px;background:var(--nb-bg-white);border:var(--nb-border-normal) solid var(--nb-border-dark);border-radius:0!important;cursor:pointer;transition:all var(--nb-transition-fast);box-shadow:var(--nb-shadow-md);z-index:1000}.hamburger-btn:hover{background:var(--nb-accent-green);border-color:var(--nb-border-dark);transform:translate(2px,2px);box-shadow:var(--nb-shadow-sm);color:var(--nb-text-white)}.hamburger-line{width:20px;height:3px;background:var(--nb-border-dark);margin:2px 0;transition:all var(--nb-transition-normal);border-radius:0}.hamburger-dropdown{position:absolute;top:calc(100% + var(--nb-space-2));right:0;background:var(--nb-bg-white);border:var(--nb-border-normal) solid var(--nb-border-dark);border-radius:0!important;box-shadow:var(--nb-shadow-lg);padding:var(--nb-space-4);min-width:160px;display:none;flex-direction:column;gap:var(--nb-space-2);z-index:1001;transform:translateY(-10px);opacity:0;transition:all var(--nb-transition-normal)}.hamburger-dropdown.show{display:flex;opacity:1;transform:translateY(0)}.hamburger-dropdown .section-title{font-size:var(--nb-text-xs);font-weight:var(--nb-font-bold);color:var(--nb-text-secondary);margin-bottom:var(--nb-space-2);text-transform:uppercase;letter-spacing:.1em}.hamburger-dropdown .lang-buttons{display:flex;gap:var(--nb-space-1)}.hamburger-dropdown .divider{height:var(--nb-border-normal);background:var(--nb-border-dark);margin:var(--nb-space-1) 0}.lang-btn-dropdown{flex:1;padding:var(--nb-space-2) var(--nb-space-3);border:var(--nb-border-normal) solid var(--nb-border-dark);background:var(--nb-bg-white);color:var(--nb-text-primary);border-radius:0!important;cursor:pointer;font-size:var(--nb-text-sm);font-weight:var(--nb-font-bold);transition:all var(--nb-transition-fast);text-align:center;-webkit-user-select:none;user-select:none;outline:none;text-transform:uppercase;box-shadow:var(--nb-shadow-sm)}.lang-btn-dropdown:hover{background:var(--nb-accent-green);color:var(--nb-text-white);transform:translate(2px,2px);box-shadow:var(--nb-shadow-xs)}.lang-btn-dropdown.active{background:var(--nb-comp);color:var(--nb-text-white);box-shadow:var(--nb-shadow-md)}.theme-toggle-dropdown{width:100%;padding:var(--nb-space-3) var(--nb-space-3);border:var(--nb-border-normal) solid var(--nb-border-dark);background:var(--nb-bg-white);color:var(--nb-text-primary);border-radius:0!important;cursor:pointer;font-size:var(--nb-text-sm);font-weight:var(--nb-font-bold);transition:all var(--nb-transition-fast);display:flex;align-items:center;justify-content:center;gap:var(--nb-space-2);-webkit-user-select:none;user-select:none;outline:none;text-transform:uppercase;box-shadow:var(--nb-shadow-sm)}.theme-toggle-dropdown:hover{background:var(--nb-accent-green);color:var(--nb-text-white);transform:translate(2px,2px);box-shadow:var(--nb-shadow-xs)}[data-theme=dark] .language-switcher{background:var(--nb-bg-white)!important;border-color:var(--nb-border-dark)!important;box-shadow:var(--nb-shadow-md)!important}[data-theme=dark] .lang-btn{background:var(--nb-bg-white)!important;border-color:var(--nb-border-dark)!important;color:var(--nb-text-primary)!important}[data-theme=dark] .lang-btn:hover{background:var(--nb-accent-green)!important;color:var(--nb-text-white)!important}[data-theme=dark] .lang-btn.active{background:var(--nb-comp)!important;color:var(--nb-text-white)!important}[data-theme=dark] .theme-toggle{background:var(--nb-bg-white)!important;border-color:var(--nb-border-dark)!important;color:var(--nb-text-primary)!important}[data-theme=dark] .theme-toggle:hover{background:var(--nb-accent-green)!important;color:var(--nb-text-white)!important}[data-theme=dark] .hamburger-btn{background:var(--nb-bg-white);border-color:var(--nb-border-dark);box-shadow:var(--nb-shadow-md)}[data-theme=dark] .hamburger-btn:hover{background:var(--nb-accent-green);border-color:var(--nb-border-dark);color:var(--nb-text-white)}[data-theme=dark] .hamburger-line{background:var(--nb-border-dark)}[data-theme=dark] .hamburger-dropdown{background:var(--nb-bg-white);border-color:var(--nb-border-dark);box-shadow:var(--nb-shadow-lg)}[data-theme=dark] .hamburger-dropdown .section-title{color:var(--nb-text-secondary)}[data-theme=dark] .hamburger-dropdown .divider{background:var(--nb-border-dark)}[data-theme=dark] .lang-btn-dropdown{border-color:var(--nb-border-dark);color:var(--nb-text-primary);background:var(--nb-bg-white)}[data-theme=dark] .lang-btn-dropdown:hover{background:var(--nb-accent-green);color:var(--nb-text-white)}[data-theme=dark] .lang-btn-dropdown.active{background:var(--nb-comp);color:var(--nb-text-white)}[data-theme=dark] .theme-toggle-dropdown{border-color:var(--nb-border-dark);color:var(--nb-text-primary);background:var(--nb-bg-white)}[data-theme=dark] .theme-toggle-dropdown:hover{background:var(--nb-accent-green);color:var(--nb-text-white)}@media(max-width:768px){.hamburger-btn{width:36px;height:36px}.hamburger-line{width:18px;height:3px}.hamburger-dropdown{min-width:140px;padding:var(--nb-space-3)}.lang-btn-dropdown,.theme-toggle-dropdown{padding:var(--nb-space-2) var(--nb-space-3);font-size:var(--nb-text-xs)}}@media(max-width:480px){.hamburger-btn{width:32px;height:32px}.hamburger-line{width:16px;height:2px}.hamburger-dropdown{min-width:120px;padding:var(--nb-space-2);right:calc(-1 * var(--nb-space-3))}.lang-btn-dropdown,.theme-toggle-dropdown{padding:var(--nb-space-1) var(--nb-space-2);font-size:var(--nb-text-xs)}}