:root{--demo-header-h: 56px;--demo-sidebar-w: 240px;--demo-content-pad-y: 40px;--demo-content-pad-x: 48px;--demo-section-gap: 48px;--demo-radius: var(--z-radius-lg);--demo-code-bg: #1e1e2e;--demo-code-fg: #cdd6f4;--demo-code-tag: #cba6f7;--demo-code-attr: #89b4fa;--demo-code-val: #a6e3a1;--demo-code-cmt: #6c7086}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--z-font-sans, system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif);font-size:var(--z-font-size-base, 14px);color:var(--z-color-text, #0f172a);background:var(--z-color-bg, #fff);min-height:100vh;-webkit-font-smoothing:antialiased}a:focus-visible,button:focus-visible{outline:var(--z-focus-ring-outline, 2px solid #2563eb);outline-offset:2px;border-radius:var(--z-radius-sm)}.demo-header{position:fixed;top:0;left:0;right:0;z-index:200;display:flex;align-items:center;justify-content:space-between;gap:var(--z-space-3);height:var(--demo-header-h);padding:0 var(--z-space-6);background:color-mix(in srgb,var(--z-color-bg, #fff) 88%,transparent);border-bottom:1px solid var(--z-color-border, #e2e8f0);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.demo-header__brand{display:flex;align-items:center;gap:10px;font-weight:var(--z-font-weight-bold, 700);font-size:var(--z-font-size-lg, 18px);letter-spacing:-.3px;white-space:nowrap}.demo-header__brand span{color:var(--z-color-primary)}.demo-header__right{display:flex;align-items:center;gap:var(--z-space-3)}.demo-header__version{font-size:var(--z-font-size-xs, 12px);color:var(--z-color-text-secondary);font-variant-numeric:tabular-nums}.demo-nav-toggle{display:none;align-items:center;justify-content:center;width:32px;height:32px;padding:0;border:1px solid var(--z-color-border);border-radius:var(--z-radius-sm);background:var(--z-color-bg);color:var(--z-color-text);cursor:pointer;flex-shrink:0}.demo-nav-toggle:hover{background:var(--z-color-bg-secondary)}.demo-nav-toggle svg{width:16px;height:16px}.demo-layout{display:flex;padding-top:var(--demo-header-h);min-height:100vh}.demo-sidebar{position:fixed;top:var(--demo-header-h);left:0;bottom:0;width:var(--demo-sidebar-w);overflow-y:auto;overscroll-behavior:contain;padding:var(--z-space-5) var(--z-space-4);background:var(--z-color-bg-secondary, #f8fafc);border-right:1px solid var(--z-color-border, #e2e8f0);z-index:150;transition:transform var(--z-transition-normal, .25s ease)}.demo-sidebar__title{font-size:11px;font-weight:var(--z-font-weight-semibold, 600);text-transform:uppercase;letter-spacing:.5px;color:var(--z-color-text-secondary);margin:var(--z-space-4) 0 6px var(--z-space-2)}.demo-sidebar__title:first-child{margin-top:0}.demo-sidebar__link{display:block;padding:6px var(--z-space-2);font-size:var(--z-font-size-base, 14px);color:var(--z-color-text-secondary);text-decoration:none;border-radius:var(--z-radius-sm);transition:color var(--z-transition-fast),background var(--z-transition-fast);cursor:pointer}.demo-sidebar__link:hover{color:var(--z-color-text);background:var(--z-color-gray-100)}.demo-sidebar__link--page{font-weight:var(--z-font-weight-semibold, 600);color:var(--z-color-text);margin-top:2px}.demo-sidebar__link--active{color:var(--z-color-primary);background:var(--z-color-primary-soft)}.demo-sidebar__link--sub{padding-left:var(--z-space-5);font-size:var(--z-font-size-sm, 13px)}.demo-sidebar__arrow{font-size:11px;opacity:.6}.demo-sidebar-mask{display:none;position:fixed;inset:var(--demo-header-h) 0 0 0;z-index:140;background:var(--z-color-bg-overlay, rgba(0, 0, 0, .45));border:0;padding:0;cursor:pointer}.demo-catalog{margin-top:var(--z-space-2)}.demo-filter{display:block;position:sticky;top:calc(var(--demo-header-h) + var(--z-space-2));z-index:10;margin:0 0 var(--z-space-5);padding:var(--z-space-2) var(--z-space-3);border:1px solid var(--z-color-border);border-radius:var(--z-radius-md);background:var(--z-color-bg);box-shadow:var(--z-shadow-sm)}.demo-filter__input{width:100%;border:0;outline:none;background:transparent;color:var(--z-color-text);font:inherit;font-size:var(--z-font-size-base, 14px)}.demo-filter__input::placeholder{color:var(--z-color-text-disabled)}.demo-filter__empty{display:none;padding:var(--z-space-6) 0;color:var(--z-color-text-secondary);font-size:var(--z-font-size-sm, 13px)}.demo-filter__empty--visible{display:block}.demo-catalog__group{margin-bottom:var(--z-space-8)}.demo-catalog__group[hidden],.demo-catalog__list li[hidden]{display:none}.demo-catalog__group h2{font-size:var(--z-font-size-md, 15px);font-weight:var(--z-font-weight-bold, 700);text-transform:uppercase;letter-spacing:.4px;color:var(--z-color-text-secondary);margin-bottom:var(--z-space-1)}.demo-catalog__list{list-style:none}.demo-catalog__list li{display:grid;grid-template-columns:150px minmax(0,1fr);align-items:baseline;gap:var(--z-space-1) var(--z-space-3);padding:var(--z-space-3) 0;border-bottom:1px solid var(--z-color-border)}.demo-catalog__list a{font-size:var(--z-font-size-md, 15px);font-weight:var(--z-font-weight-semibold, 600);color:var(--z-color-text);text-decoration:none}.demo-catalog__list a:hover{color:var(--z-color-primary);text-decoration:underline;text-underline-offset:2px}.demo-catalog__list span{font-size:var(--z-font-size-sm, 13px);color:var(--z-color-text-secondary);line-height:var(--z-line-height, 1.5)}.demo-main{flex:1;min-width:0;margin-left:var(--demo-sidebar-w);padding:var(--demo-content-pad-y) var(--demo-content-pad-x);max-width:calc(var(--demo-sidebar-w) + 1040px)}.demo-content{margin:0 auto}.demo-top-actions{position:absolute;top:8px;right:var(--z-space-4);z-index:100;display:flex;align-items:center;gap:var(--z-space-2)}.demo-top-actions--fixed{position:fixed;top:var(--z-space-3);right:var(--z-space-3);z-index:1000}.demo-hero{margin-bottom:var(--demo-section-gap)}.demo-hero h1{font-size:32px;font-weight:var(--z-font-weight-bold, 700);letter-spacing:-.5px;margin-bottom:var(--z-space-2)}.demo-hero p{font-size:var(--z-font-size-base, 16px);color:var(--z-color-text-secondary);max-width:560px;line-height:1.6}.demo-hero__badges{display:flex;flex-wrap:wrap;gap:var(--z-space-2);margin-top:var(--z-space-4)}.demo-section{margin-bottom:var(--demo-section-gap);scroll-margin-top:calc(var(--demo-header-h) + var(--z-space-6))}.demo-section__header{margin-bottom:var(--z-space-5)}.demo-section__header h2{font-size:22px;font-weight:var(--z-font-weight-semibold, 600);letter-spacing:-.3px;margin-bottom:var(--z-space-1)}.demo-section__header p{font-size:var(--z-font-size-sm, 14px);color:var(--z-color-text-secondary);line-height:1.6}.demo-preview{border:1px solid var(--z-color-border, #e2e8f0);border-radius:var(--demo-radius);overflow:hidden;background:var(--z-color-bg)}.demo-preview__live{display:flex;flex-wrap:wrap;align-items:center;gap:var(--z-space-3);padding:var(--z-space-6);min-height:60px}.demo-preview__live--block{flex-direction:column;align-items:stretch}.demo-preview__actions{display:flex;align-items:center;gap:var(--z-space-2);padding:10px var(--z-space-4);border-top:1px solid var(--z-color-border, #e2e8f0);background:var(--z-color-bg-secondary, #f8fafc)}.demo-preview__code{display:none;padding:var(--z-space-4);border-top:1px solid var(--z-color-border, #e2e8f0);background:var(--demo-code-bg);overflow-x:auto}.demo-preview__code--visible{display:block}.demo-preview__code pre{margin:0;font-family:var(--z-font-mono, ui-monospace, monospace);font-size:var(--z-font-size-sm, 13px);line-height:1.6;color:var(--demo-code-fg)}.demo-preview__code .tag{color:var(--demo-code-tag)}.demo-preview__code .attr{color:var(--demo-code-attr)}.demo-preview__code .val{color:var(--demo-code-val)}.demo-preview__code .txt{color:var(--demo-code-fg)}.demo-preview__code .cmt{color:var(--demo-code-cmt)}.demo-props{width:100%;border-collapse:collapse;font-size:var(--z-font-size-sm, 13px);margin-top:var(--z-space-3)}.demo-props th{text-align:left;padding:var(--z-space-2) var(--z-space-3);font-weight:var(--z-font-weight-semibold, 600);color:var(--z-color-text-secondary);border-bottom:1px solid var(--z-color-border);font-size:var(--z-font-size-xs, 12px)}.demo-props td{padding:var(--z-space-2) var(--z-space-3);border-bottom:1px solid var(--z-color-border);vertical-align:top;font-size:var(--z-font-size-xs, 12px);color:var(--z-color-text-secondary)}.demo-props td:nth-child(1){font-family:var(--z-font-mono, monospace);color:var(--z-color-primary);white-space:nowrap}.demo-label-row{display:flex;align-items:center;gap:var(--z-space-2);margin-top:var(--z-space-1)}.demo-label-row span:first-child{font-size:var(--z-font-size-xs, 12px);color:var(--z-color-text-secondary);min-width:80px}@media(max-width:1180px){:root{--demo-content-pad-y: var(--z-space-6);--demo-content-pad-x: var(--z-space-6)}}@media(max-width:768px){:root{--demo-content-pad-y: var(--z-space-6);--demo-content-pad-x: var(--z-space-4);--demo-section-gap: var(--z-space-8)}.demo-header{padding:0 var(--z-space-4)}.demo-nav-toggle{display:inline-flex}.demo-back-btn,.demo-header__version{display:none}.demo-sidebar{width:min(82vw,300px);transform:translate(-100%);box-shadow:var(--z-shadow-xl)}.demo-sidebar--open{transform:translate(0)}.demo-sidebar-mask--visible{display:block}.demo-main{margin-left:0;max-width:100%}.demo-catalog__list li{grid-template-columns:1fr;gap:2px}.demo-hero h1{font-size:26px}}@media(prefers-reduced-motion:reduce){.demo-sidebar{transition:none}}.demo-back{display:inline-block;margin-bottom:10px;font-size:12px;line-height:1;color:var(--z-color-text-secondary);text-decoration:none}.demo-back:hover{color:var(--z-color-primary)}