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a[data-astro-cid-tkklzei4]{color:var(--xu-color-text-primary)}.xu-header-nav__item[data-astro-cid-tkklzei4]:not(.has-child),.xu-header-nav__item[data-astro-cid-tkklzei4]:not(.has-child) a[data-astro-cid-tkklzei4]{cursor:pointer}.xu-header-nav__item[data-astro-cid-tkklzei4]:hover a[data-astro-cid-tkklzei4]{color:var(--xu-color-brand)}.xu-header-nav__item[data-astro-cid-tkklzei4]:hover .xu-header-nav__name-box[data-astro-cid-tkklzei4]:after,.xu-header-nav__item[data-astro-cid-tkklzei4]:hover .xu-header-nav__name[data-astro-cid-tkklzei4]:after{transform:scaleX(1)}.xu-header-nav__item[data-astro-cid-tkklzei4] i[data-astro-cid-tkklzei4]{color:var(--xu-color-text-primary);margin-left:4px;font-size:12px}.xu-header-nav__bottom-arrow[data-astro-cid-tkklzei4].iconfont{margin-left:4px;transition:all .2s linear;display:none}.xu-header-nav__right-arrow[data-astro-cid-tkklzei4].iconfont{margin-left:4px;font-size:15px;transition:all .2s linear}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4]{z-index:20;border:1px solid var(--xu-color-border,#00000014);background:var(--xu-color-bg-card,#fff);white-space:nowrap;cursor:pointer;border-radius:12px;min-width:148px;padding:6px;display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);box-shadow:0 12px 32px #0f172a1f}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4]:before{content:"";height:12px;position:absolute;top:-12px;left:0;right:0}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4] .xu-header-nav__sub-item[data-astro-cid-tkklzei4]{cursor:pointer;border-radius:8px;transition:background .15s,color .15s}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4] .xu-header-nav__sub-item[data-astro-cid-tkklzei4] a[data-astro-cid-tkklzei4]{color:var(--xu-color-text-primary);cursor:pointer;border-radius:8px;align-items:center;padding:10px 12px;font-size:13px;line-height:1.2;text-decoration:none;display:flex}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4] .xu-header-nav__sub-item[data-astro-cid-tkklzei4]:hover{background:color-mix(in srgb, var(--xu-color-brand) 10%, var(--xu-color-bg-surface))}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4] .xu-header-nav__sub-item[data-astro-cid-tkklzei4]:hover a[data-astro-cid-tkklzei4]{color:var(--xu-color-brand)}.xu-header-nav__sub-menu[data-astro-cid-tkklzei4] .xu-header-nav__sub-item[data-astro-cid-tkklzei4] .xu-header-nav__sub-name[data-astro-cid-tkklzei4]{display:inline-block}.xu-header-nav__name[data-astro-cid-tkklzei4]{color:var(--xu-color-text-primary);align-items:center;display:inline-flex;position:relative}.xu-header-nav__name[data-astro-cid-tkklzei4]:after{content:"";background:var(--xu-color-brand);transform-origin:0;height:2px;transition:transform .4s;position:absolute;bottom:-6px;left:0;right:0;transform:scaleX(0)}.xu-header-nav__name[data-astro-cid-tkklzei4].active{color:var(--xu-color-text-primary);font-weight:700}.xu-header-nav__name-box[data-astro-cid-tkklzei4]{align-items:center;display:inline-flex;position:relative}.xu-header-nav__name-box[data-astro-cid-tkklzei4]:after{content:"";background:var(--xu-color-brand);transform-origin:0;height:2px;transition:transform .4s;position:absolute;bottom:-6px;left:0;right:0;transform:scaleX(0)}.xu-header-nav__name-box[data-astro-cid-tkklzei4].active{color:var(--xu-color-text-primary);font-weight:700}@media screen and (width<=1200px){.xu-header-nav[data-astro-cid-tkklzei4]{margin-left:12px}.xu-header-nav__item[data-astro-cid-tkklzei4]{padding:0 10px}}.xu-theme-switch__button[data-astro-cid-vmmko6ga]{background-color:var(--xu-color-border-subtle);width:30px;height:30px;color:var(--xu-color-text-primary);cursor:pointer;border:none;border-radius:50%;position:relative}.xu-theme-switch__input[data-astro-cid-vmmko6ga]{opacity:0;width:0;height:0;position:absolute}.xu-theme-switch__icon-dark[data-astro-cid-vmmko6ga]{display:none}.theme-dark[data-astro-cid-vmmko6ga] .xu-theme-switch__icon-dark[data-astro-cid-vmmko6ga]{display:block}.theme-dark[data-astro-cid-vmmko6ga] .xu-theme-switch__icon-light[data-astro-cid-vmmko6ga]{display:none}.xu-search{position:relative}.xu-search__trigger{align-items:center;display:flex;position:relative}.xu-search__input{border:1px solid color-mix(in srgb, var(--xu-color-text-primary) 24%, transparent);background-color:var(--xu-color-bg-surface);width:200px;height:36px;color:var(--xu-color-text-primary);cursor:pointer;border-radius:18px;align-items:center;padding:0 12px;font-size:14px;transition:all .3s;display:flex}.xu-search__input:hover{border-color:var(--xu-color-brand);box-shadow:0 0 0 2px color-mix(in srgb, var(--xu-color-brand) 20%, transparent)}.xu-search__placeholder{color:color-mix(in srgb, var(--xu-color-text-primary) 86%, #000);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.xu-search__btn{background-color:var(--xu-color-brand);width:28px;height:28px;color:var(--xu-color-text-body);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex;position:absolute;top:50%;right:4px;transform:translateY(-50%)}.xu-search__btn:hover{filter:brightness(.95);transform:translateY(-50%)scale(1.05)}.xu-search__icon{border:1.5px solid #fff;border-radius:50%;width:12px;height:12px;display:block;position:relative}.xu-search__icon:after{content:"";background-color:#fff;width:6px;height:1.5px;display:block;position:absolute;bottom:-2px;right:-2px;transform:rotate(45deg)}.xu-search-modal__body{flex:1;padding:28px;overflow-y:auto}.xu-search-modal__input-container{margin-bottom:28px;position:relative}.xu-search-modal__input{border:2px solid var(--xu-color-border);background-color:var(--xu-color-bg-muted);width:100%;height:56px;color:var(--xu-color-text-primary);box-sizing:border-box;border-radius:28px;padding:0 70px 0 24px;font-size:16px;transition:all .3s}.xu-search-modal__input:focus{border-color:var(--xu-color-brand);box-shadow:0 0 0 3px color-mix(in srgb, var(--xu-color-brand) 20%, transparent);outline:none}.xu-search-modal__input::placeholder{color:var(--xu-color-text-muted)}.xu-search-modal__btn{background-color:var(--xu-color-brand);width:40px;height:40px;color:var(--xu-color-text-on-brand,#fff);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;transition:all .3s;display:flex;position:absolute;top:50%;right:8px;transform:translateY(-50%)}.xu-search-modal__btn:hover{filter:brightness(.9);transform:translateY(-50%)scale(1.05)}.xu-search-modal__btn .xu-search__icon{border:2px solid #fff;border-radius:50%;width:14px;height:14px;display:block;position:relative}.xu-search-modal__btn .xu-search__icon:after{content:"";background-color:#fff;width:8px;height:2px;display:block;position:absolute;bottom:-2px;right:-2px;transform:rotate(45deg)}.xu-search-results__empty{text-align:center;color:var(--xu-color-text-muted);background-color:var(--xu-color-bg-muted);border-radius:12px;margin-top:20px;padding:60px 20px;font-size:16px}.xu-search-results__section{margin-bottom:24px}.xu-search-results__section h4{color:var(--xu-color-text-primary);margin:0 0 16px;font-size:18px;font-weight:600}.xu-search-results__list{flex-direction:column;display:flex}.xu-search-result-item{border:1px solid var(--xu-color-border);background-color:var(--xu-color-bg-surface);color:inherit;border-radius:12px;margin-bottom:12px;padding:20px;text-decoration:none;transition:all .3s;display:block}.xu-search-result-item:hover{border-color:var(--xu-color-brand);box-shadow:0 4px 12px color-mix(in srgb, var(--xu-color-brand) 15%, transparent);transform:translateY(-2px)}.xu-search-result-item__header{justify-content:space-between;align-items:flex-start;margin-bottom:8px;display:flex}.xu-search-result-item__title{color:var(--xu-color-text-primary);flex:1;margin-right:16px;font-size:16px;font-weight:600}.xu-search-result-item__meta{color:var(--xu-color-text-muted);flex-shrink:0;font-size:12px}.xu-search-result-item__meta-info{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.xu-search-result-item__category{& .xu-search-result-item__category-tag{background-color:var(--xu-color-bg-panel-item);color:var(--xu-color-text-secondary);border:1px solid var(--xu-color-border);border-radius:12px;padding:4px 12px;font-size:12px;display:inline-block}}.xu-search-result-item__tags{flex-wrap:wrap;gap:8px;display:flex;& span{background-color:var(--xu-color-bg-panel-item);color:var(--xu-color-brand);border:1px solid var(--xu-color-border);border-radius:12px;padding:2px 8px;font-size:12px;display:inline-block}}.xu-header[data-astro-cid-ppaohffk]{width:100%;height:var(--xu-layout-header-height);backdrop-filter:saturate(5)blur(20px);background:var(--xu-color-bg-header);box-shadow:0 4px 10px var(--xu-shadow-header);z-index:99999;isolation:isolate;padding:0 20px;font-size:15px;transition:all .3s;display:block;position:fixed;top:0;left:0}.xu-header__left[data-astro-cid-ppaohffk]{flex:auto;min-width:0;overflow:visible}.xu-header__right[data-astro-cid-ppaohffk]{flex:none}.xu-header__container[data-astro-cid-ppaohffk]{width:100%;height:100%}.xu-header__logo[data-astro-cid-ppaohffk]{cursor:pointer;white-space:nowrap}.xu-header__logo-img[data-astro-cid-ppaohffk]{border-radius:4px;width:150px;height:auto}.theme-dark .xu-header__logo-img[data-astro-cid-ppaohffk]{filter:brightness(1.2)saturate(1.08)}.xu-header__right[data-astro-cid-ppaohffk]{gap:20px}.xu-header__right--end[data-astro-cid-ppaohffk]{justify-content:flex-end}.xu-header__random-btn[data-astro-cid-ppaohffk]{border:1px solid var(--xu-color-float-border);width:36px;height:36px;color:var(--xu-color-brand);background:var(--xu-color-bg-surface);box-shadow:var(--xu-shadow-float-button);border-radius:50%;justify-content:center;align-items:center;text-decoration:none;transition:all .2s;display:inline-flex;position:relative}.xu-header__random-btn[data-astro-cid-ppaohffk]:hover{background:var(--xu-color-bg-hover);border-color:var(--xu-color-brand);box-shadow:0 2px 7px #0000001f}.xu-header__random-btn-icon[data-astro-cid-ppaohffk]{width:14px;height:14px;line-height:0;display:block}.xu-header__random-btn-tooltip[data-astro-cid-ppaohffk]{color:var(--xu-color-text-primary);background:var(--xu-color-bg-surface);border:1px solid var(--xu-color-border-subtle);box-shadow:var(--xu-shadow-card-soft);white-space:nowrap;opacity:0;pointer-events:none;border-radius:4px;padding:3px 6px;font-size:12px;transition:opacity .2s;position:absolute;bottom:-32px;left:50%;transform:translate(-50%)}.xu-header__random-btn[data-astro-cid-ppaohffk]:hover .xu-header__random-btn-tooltip[data-astro-cid-ppaohffk]{opacity:1}@media screen and (width<=768px),screen and (width<=1024px) and (height<=500px){.xu-header[data-astro-cid-ppaohffk]{display:none}}@media screen and (width<=1200px){.xu-header[data-astro-cid-ppaohffk]{padding:0 12px}}.xu-mobile-header[data-astro-cid-avdw2pxp]{width:100%;height:var(--xu-layout-header-height);backdrop-filter:saturate(5)blur(20px);background:var(--xu-color-bg-header);box-shadow:0 4px 10px var(--xu-shadow-header);z-index:99999;padding:0 16px;font-size:15px;transition:all .3s;display:none;position:fixed;top:0;left:0}@media screen and (width<=768px),screen and (width<=1024px) and (height<=500px){.xu-mobile-header[data-astro-cid-avdw2pxp]{display:block}}.xu-mobile-header__content[data-astro-cid-avdw2pxp]{align-items:center;width:100%;height:100%}.xu-mobile-header__actions[data-astro-cid-avdw2pxp]{align-items:center;gap:8px;display:inline-flex}.xu-mobile-header__logo[data-astro-cid-avdw2pxp]{cursor:pointer}.xu-mobile-header__logo-img[data-astro-cid-avdw2pxp]{border-radius:4px;width:120px;height:auto}.theme-dark .xu-mobile-header__logo-img[data-astro-cid-avdw2pxp]{filter:brightness(1.2)saturate(1.08)}.xu-mobile-header__menu-btn[data-astro-cid-avdw2pxp]{color:var(--xu-color-text-primary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:8px;display:flex}.xu-mobile-header__menu[data-astro-cid-avdw2pxp]{background:var(--xu-color-bg-surface);z-index:999999;width:80%;max-width:300px;height:100vh;transition:right .3s;position:fixed;top:0;right:-100%;box-shadow:-5px 0 15px #0000001a}.xu-mobile-header__menu[data-astro-cid-avdw2pxp].active{right:0}.xu-mobile-header__menu-content[data-astro-cid-avdw2pxp]{flex-direction:column;height:100%;display:flex}.xu-mobile-header__menu-header[data-astro-cid-avdw2pxp]{border-bottom:1px solid var(--xu-color-border);align-items:center;padding:20px 16px}.xu-mobile-header__menu-header[data-astro-cid-avdw2pxp] h2[data-astro-cid-avdw2pxp]{color:var(--xu-color-text-primary);margin:0;font-size:18px;font-weight:600}.xu-mobile-header__menu-details[data-astro-cid-avdw2pxp]{width:100%}.xu-mobile-header__menu-details[data-astro-cid-avdw2pxp] summary[data-astro-cid-avdw2pxp]{list-style:none}.xu-mobile-header__menu-details[data-astro-cid-avdw2pxp]>summary[data-astro-cid-avdw2pxp].xu-mobile-header__menu-link{justify-content:flex-start}.xu-mobile-header__menu-details[data-astro-cid-avdw2pxp] summary[data-astro-cid-avdw2pxp]::-webkit-details-marker{display:none}.xu-mobile-header__menu-details[data-astro-cid-avdw2pxp]>summary[data-astro-cid-avdw2pxp].xu-mobile-header__menu-link .xu-mobile-header__menu-arrow[data-astro-cid-avdw2pxp]{margin-left:auto}.xu-mobile-header__menu-arrow[data-astro-cid-avdw2pxp]{color:var(--xu-color-text-primary);margin-left:4px;font-size:12px;transition:transform .2s}.xu-mobile-header__menu-details[data-astro-cid-avdw2pxp][open] .xu-mobile-header__menu-arrow[data-astro-cid-avdw2pxp]{transform:rotate(180deg)}.xu-mobile-header__sub-menu[data-astro-cid-avdw2pxp]{padding:0 0 10px}.xu-mobile-header__sub-item[data-astro-cid-avdw2pxp]{margin:0}.xu-mobile-header__sub-link[data-astro-cid-avdw2pxp]{color:var(--xu-color-text-primary);gap:8px;width:100%;min-height:44px;padding:10px 16px 10px 28px;font-size:14px;text-decoration:none}.xu-mobile-header__sub-item[data-astro-cid-avdw2pxp]+.xu-mobile-header__sub-item[data-astro-cid-avdw2pxp] .xu-mobile-header__sub-link[data-astro-cid-avdw2pxp]{box-shadow:inset 0 1px 0 var(--xu-color-border)}.xu-mobile-header__sub-link[data-astro-cid-avdw2pxp]:hover{background:var(--xu-color-bg-hover);color:var(--xu-color-brand)}.xu-mobile-header__menu-close[data-astro-cid-avdw2pxp]{color:var(--xu-color-text-primary);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:4px;display:flex}.xu-mobile-header__menu-nav[data-astro-cid-avdw2pxp]{-webkit-overflow-scrolling:touch;flex:1;min-height:0;padding:16px 0;overflow-y:auto}.xu-mobile-header__menu-nav[data-astro-cid-avdw2pxp] ul[data-astro-cid-avdw2pxp]{margin:0;padding:0;list-style:none}.xu-mobile-header__menu-item[data-astro-cid-avdw2pxp]{border-bottom:1px solid var(--xu-color-border)}.xu-mobile-header__menu-link[data-astro-cid-avdw2pxp]{color:var(--xu-color-text-primary);text-align:left;cursor:pointer;background:0 0;border:none;align-items:center;width:100%;padding:16px;text-decoration:none;transition:all .3s;display:flex}.xu-mobile-header__menu-link[data-astro-cid-avdw2pxp]:hover{background:var(--xu-color-bg-hover);color:var(--xu-color-brand)}.xu-mobile-header__menu-link[data-astro-cid-avdw2pxp] span[data-astro-cid-avdw2pxp]{font-size:14px}.xu-mobile-header__menu-overlay[data-astro-cid-avdw2pxp]{z-index:999998;opacity:0;visibility:hidden;background:#00000080;width:100%;height:100vh;transition:all .3s;position:fixed;top:0;left:0}.xu-mobile-header__menu-overlay[data-astro-cid-avdw2pxp].active{opacity:1;visibility:visible}html{-webkit-text-size-adjust:100%;line-height:1.15}body{margin:0}main{display:block}h1{margin:.67em 0;font-size:2em}hr{box-sizing:content-box;height:0;overflow:visible}pre{font-family:monospace;font-size:1em}a{background-color:#0000}abbr[title]{border-bottom:none;text-decoration:underline dotted}b,strong{font-weight:bolder}code,kbd,samp{font-family:monospace;font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}img{border-style:none}button,input,optgroup,select,textarea{margin:0;font-family:inherit;font-size:100%;line-height:1.15}button,input{overflow:visible}button,select{text-transform:none}button,[type=button],[type=reset],[type=submit]{-webkit-appearance:button}button::-moz-focus-inner{border-style:none;padding:0}[type=button]::-moz-focus-inner{border-style:none;padding:0}[type=reset]::-moz-focus-inner{border-style:none;padding:0}[type=submit]::-moz-focus-inner{border-style:none;padding:0}button:-moz-focusring{outline:1px dotted buttontext}[type=button]:-moz-focusring{outline:1px dotted buttontext}[type=reset]:-moz-focusring{outline:1px dotted buttontext}[type=submit]:-moz-focusring{outline:1px dotted buttontext}fieldset{padding:.35em .75em .625em}legend{box-sizing:border-box;color:inherit;white-space:normal;max-width:100%;padding:0;display:table}progress{vertical-align:baseline}textarea{overflow:auto}[type=checkbox],[type=radio]{box-sizing:border-box;padding:0}[type=number]::-webkit-inner-spin-button{height:auto}[type=number]::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}[type=search]::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}details{display:block}summary{display:list-item}template,[hidden]{display:none}:root.theme-dark{--xu-color-brand-soft:#cfa4ff2b;--xu-color-bg-page:#292a2d;--xu-color-bg-surface:#323335;--xu-color-bg-muted:#3a3b3e;--xu-color-bg-hover:#404246;--xu-color-bg-header:#323335;--xu-color-bg-footer:var(--xu-color-bg-surface);--xu-color-bg-blur:#323335cc;--xu-color-bg-title:#cfa4ff12;--xu-color-bg-tag:#fff;--xu-color-bg-panel:#2b2e34;--xu-color-link:color-mix(in srgb, var(--xu-color-brand) 78%, #e5eef7);--xu-color-link-hover:color-mix(in srgb, var(--xu-color-brand) 92%, #fff);--xu-color-bg-panel-item:#363a43;--xu-color-bg-panel-hover:#454b58;--xu-color-bg-card:var(--xu-color-bg-surface);--xu-color-bg-input:var(--xu-color-bg-muted);--xu-color-text-primary:#e5eef7;--xu-color-text-body:#fff;--xu-color-text-secondary:#b4b6bb;--xu-color-text-muted:#888a8f;--xu-color-text-footer:#888a8f;--xu-color-text-key:#f8fafc;--xu-color-border:#444;--xu-color-card-border:color-mix(in srgb, var(--xu-color-text-primary) 22%, var(--xu-color-border));--xu-color-float-border:color-mix(in srgb, var(--xu-color-text-primary) 28%, var(--xu-color-border));--xu-color-border-subtle:#7272721a;--xu-color-border-muted:#b8b8b805;--xu-shadow-header:#00000059;--xu-shadow-card-soft:0 2px 8px #00000047, 0 1px 2px #0003;--xu-shadow-card-strong:0 4px 14px #00000061, 0 2px 4px #0000003d;--xu-shadow-float:0 2px 6px #0000005c, 0 1px 2px #00000047;--xu-shadow-float-hover:0 6px 16px #0000006b, 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