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.solution-feed-search__input{width:100%;height:2.45rem;padding:.55rem .88rem .55rem 2.35rem;border:1px solid var(--solution-search-border);border-radius:999px;background:var(--solution-search-bg);color:var(--solution-text);font-size:14px;outline:none;transition:border-color .16s ease,box-shadow .16s ease,background-color .16s ease}.solution-feed-page .solution-feed-search__input:focus{border-color:var(--solution-search-focus-border);box-shadow:var(--solution-search-focus-ring);background:var(--solution-search-focus-bg)}.solution-feed-page .solution-feed-search__input::placeholder{color:var(--solution-subtle)}.solution-feed-page .solution-feed-search__clear{position:absolute;right:8px;top:50%;transform:translateY(-50%);display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border:none;border-radius:999px;background:transparent;color:var(--solution-subtle);cursor:pointer}.solution-feed-page .solution-feed-list{display:flex;flex-direction:column;padding-top:8px}.solution-feed-page .solution-feed-item{min-width:0;display:grid;gap:10px;padding:18px 4px 20px;border-bottom:1px solid var(--solution-line);background:transparent;cursor:pointer;transition:background-color .18s ease,border-color .18s ease}.solution-feed-page .solution-feed-item:hover{background:var(--solution-item-hover-bg);border-bottom-color:#6366f13d}.solution-feed-page .solution-feed-item__title-row{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:14px}.solution-feed-page .solution-feed-item__title-row h2{margin:0;min-width:0;color:var(--solution-text);font-size:20px;line-height:1.35}.solution-feed-page .solution-feed-item__title-side{display:inline-flex;align-items:center;justify-content:flex-end;gap:10px}.solution-feed-page .solution-feed-item__topic{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:0 10px;border:none;border-radius:999px;background:var(--solution-chip-bg);color:var(--solution-chip-text);font-size:12px;font-weight:700;cursor:pointer;transition:background-color .18s ease,color .18s ease}.solution-feed-page .solution-feed-item__topic:hover{background:var(--solution-chip-hover-bg);color:var(--solution-accent-strong)}.solution-feed-page .solution-feed-item__date{color:var(--solution-subtle);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap}.solution-feed-page .solution-feed-item__open{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;flex:none;border:none;background:transparent;color:#818cf8;cursor:pointer;transition:transform .18s ease,color .18s ease}.solution-feed-page .solution-feed-item__open:hover{transform:translate(2px,-1px);color:var(--solution-accent)}.solution-feed-page .solution-feed-item__desc{margin:0;color:var(--solution-muted);font-size:15px;line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.solution-feed-page .solution-feed-item__tags{display:flex;flex-wrap:wrap;gap:8px}.solution-feed-page .solution-feed-item__tags span{display:inline-flex;align-items:center;min-height:26px;padding:0 10px;border-radius:999px;background:#10b98114;color:#0f766e;font-size:12px;font-weight:700}.solution-feed-page .solution-feed-empty{padding:14px 0;color:var(--solution-muted);text-align:center}.article-category-hero,.projects-overview-hero,.article-detail-hero{padding:.4rem 0 1.35rem;margin-bottom:1.2rem}.article-category-hero__title-row{display:flex;align-items:center;gap:.6rem}.article-category-list{display:grid;gap:.85rem}.article-category-card{padding:1rem 1.05rem;cursor:pointer;transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}.article-category-card__cta{display:inline-flex;align-items:center;gap:.35rem;margin-top:.85rem;color:#6366f1;font-size:.8rem;font-weight:700}.projects-overview-card{padding:1rem}.projects-overview-card svg{color:#6366f1}.article-detail-page-shell{position:relative;display:flex;flex-direction:column;width:100%;height:100%;min-height:0;overflow:hidden}.article-detail-page-shell>.markdown-wrapper{flex:1;min-height:0}.article-detail-hero__meta{display:flex;align-items:center;gap:.75rem;margin-bottom:.8rem}.article-detail-hero__date{display:inline-flex;align-items:center;gap:.35rem;color:#64748b;font-size:.8rem;font-weight:700}.article-detail-hero__tags{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.95rem}.article-detail-hero__tag{display:inline-flex;align-items:center;gap:.32rem;padding:.22rem .56rem;border:1px solid rgba(99,102,241,.18);border-radius:999px;background:#6366f114;color:#4f46e5;font-size:.74rem;cursor:pointer}.article-feed-loader{display:inline-flex;align-items:center;justify-content:center;width:3.1rem;height:3.1rem;padding:0;border:none;background:transparent;cursor:pointer;-webkit-user-select:none;user-select:none;border-radius:999px;transition:transform .16s ease,opacity .16s ease}.article-feed-loader:hover{transform:translateY(-1px);opacity:.92}.article-feed-loader-spinner{display:block;width:2.2rem;height:2.2rem;object-fit:contain;opacity:.88;transition:opacity .22s ease,transform .22s ease}.article-feed-loader:hover .article-feed-loader-spinner,.article-feed-loader-spinner.is-loading{opacity:.96;transform:scale(1.08)}.content{flex:1;display:flex;flex-direction:column;overflow:hidden;background:#fff;--page-surface: #fff;--toc-surface: #fbfbfc;--nav-loading-overlay-bg: rgba(248, 250, 252, .92)}[data-theme=dark] .solution-feed-page{--solution-text: #eef2ff;--solution-muted: #c3cede;--solution-subtle: #94a3b8;--solution-accent: #818cf8;--solution-accent-strong: #c7d2fe;--solution-line: rgba(71, 85, 105, .76);--solution-page-bg: #111827;--solution-panel-bg: rgba(17, 24, 39, .82);--solution-panel-strong-bg: #161f2f;--solution-panel-soft-bg: rgba(30, 41, 59, .58);--solution-card-border: rgba(148, 163, 184, .18);--solution-card-shadow: 0 18px 40px rgba(0, 0, 0, .28);--solution-hero-border: rgba(148, 163, 184, .16);--solution-board-bg: #0b1220;--solution-board-text: #d9f7ee;--solution-board-muted: rgba(217, 247, 238, .66);--solution-toolbar-border: rgba(71, 85, 105, .34);--solution-divider-color: rgba(71, 85, 105, .52);--solution-sticky-bg: rgba(2, 6, 23, .92);--solution-search-bg: rgba(17, 24, 39, .94);--solution-search-border: rgba(71, 85, 105, .82);--solution-search-focus-border: rgba(129, 140, 248, .64);--solution-search-focus-ring: 0 0 0 4px rgba(99, 102, 241, .18);--solution-search-focus-bg: rgba(17, 24, 39, .98);--solution-chip-bg: rgba(99, 102, 241, .14);--solution-chip-hover-bg: rgba(99, 102, 241, .22);--solution-chip-active-bg: rgba(99, 102, 241, .26);--solution-active-bg: rgba(99, 102, 241, .16);--solution-chip-text: #c7d2fe;--solution-item-hover-bg: rgba(20, 24, 39, .28)}[data-theme=dark] .solution-feed-page .solution-feed-item__tags span{background:#10b9812e;color:#b7f7e8}[data-theme=eye] .solution-feed-page{--solution-text: #3f3932;--solution-muted: #62584c;--solution-subtle: #8d7d66;--solution-accent: #7367f0;--solution-accent-strong: #5f54d6;--solution-line: rgba(120, 111, 92, .2);--solution-page-bg: #f1eadc;--solution-panel-bg: rgba(251, 246, 234, .82);--solution-panel-strong-bg: #fbf6ea;--solution-panel-soft-bg: rgba(231, 219, 196, .42);--solution-card-border: rgba(120, 111, 92, .18);--solution-card-shadow: 0 14px 32px rgba(77, 68, 57, .08);--solution-hero-border: rgba(120, 111, 92, .18);--solution-board-bg: #342f28;--solution-board-text: #f8ecd9;--solution-board-muted: rgba(248, 236, 217, .68);--solution-toolbar-border: 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rgba(148,163,184,.16);background:#f8fafce6;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);gap:.58rem}.top-bar--system{position:absolute;z-index:520;inset:0 0 auto;min-height:4.35rem;background:#ffffff6b;-webkit-backdrop-filter:blur(22px) saturate(1.32);backdrop-filter:blur(22px) saturate(1.32);border-bottom-color:#94a3b81f;box-shadow:0 12px 34px #6366f10f;pointer-events:auto}.top-bar--system .top-module-btn{color:#2a374cf2;text-shadow:0 1px 0 rgba(255,255,255,.9),0 0 12px rgba(255,255,255,.76)}.top-bar--system .top-module-btn:hover{color:#1e293b}.top-bar--system .top-module-btn.active{color:#3730a3}.top-bar--system .top-icon-btn{color:#334155d1}.top-bar--system .top-icon-btn:hover,.top-bar--system .top-icon-btn.active{color:#3730a3;background:#6366f11f}.top-logo-link{position:relative;z-index:3;display:inline-flex;align-items:center;justify-content:center;width:3rem;height:3rem;padding:0;border:none;background:transparent;border-radius:999px;cursor:pointer;transition:transform .22s ease,background-color .16s ease,box-shadow .22s ease}.top-logo-link:hover{background:#6366f10f;box-shadow:0 12px 26px #6366f12e}.top-logo-img{width:2.4rem;height:2.4rem;object-fit:contain;display:block;transform-origin:center center;transition:opacity .16s ease,transform .22s ease}.top-logo-link:hover .top-logo-img,.top-logo-link:focus-visible .top-logo-img{opacity:.92;transform:translateY(-2px) scale(1.14) rotate(-3deg)}.top-logo-bubble{--logo-bubble-surface: #ffffff;--logo-bubble-border: rgba(99, 102, 241, .16);position:absolute;left:calc(100% + .45rem);top:50%;transform-origin:left center;transform:translateY(-50%) translate(-8px) rotate(-4deg) scale(.96);padding:.45rem .72rem;border:1px solid var(--logo-bubble-border);border-radius:16px;z-index:20;background:var(--logo-bubble-surface);-webkit-backdrop-filter:none;backdrop-filter:none;color:#475569;font-size:.78rem;font-weight:700;line-height:1;white-space:nowrap;opacity:0;visibility:hidden;pointer-events:none;box-shadow:0 14px 30px #0f172a24;transition:opacity .18s ease,transform .18s ease,visibility 0s linear .18s}.top-logo-bubble:before{content:"";position:absolute;top:50%;left:-.38rem;width:.82rem;height:.82rem;border-left:1px solid var(--logo-bubble-border);border-bottom:1px solid var(--logo-bubble-border);border-radius:0 0 0 .22rem;background:var(--logo-bubble-surface);transform:translateY(-50%) rotate(45deg);box-sizing:border-box}.top-logo-link:hover .top-logo-bubble,.top-logo-link:focus-visible .top-logo-bubble{opacity:1;visibility:visible;transform:translateY(-50%) translate(0) rotate(-4deg) scale(1);transition-delay:0s}.top-module-nav{display:flex;align-items:center;gap:.3rem;margin-left:.16rem}.top-module-btn{pointer-events:auto;position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.36rem;min-height:2.35rem;border:none;background:transparent;color:#64748b;border-radius:0;padding:.5rem .72rem;cursor:pointer;overflow:hidden;transition:color .18s ease,background-color .18s ease,border-color .18s ease;font-size:13.5px}.top-module-btn:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;z-index:0;background:radial-gradient(circle at 18% 66%,var(--top-module-particle) 0 1.5px,transparent 2.6px),radial-gradient(circle at 34% 22%,var(--top-module-particle-soft) 0 2px,transparent 4px),radial-gradient(circle at 64% 28%,var(--top-module-particle) 0 1.2px,transparent 2.4px),radial-gradient(circle at 82% 62%,var(--top-module-particle-soft) 0 2.2px,transparent 4.4px);background-repeat:no-repeat;filter:drop-shadow(0 0 5px var(--top-module-particle-soft));opacity:0;transform:translateY(4px);transition:opacity .18s ease,transform .22s ease}.top-module-btn:after{content:"";position:absolute;left:.82rem;right:.82rem;bottom:.18rem;height:2px;background:currentColor;z-index:1;opacity:0;transform:scaleX(.5);transform-origin:center;transition:opacity .18s ease,transform .18s ease}.top-module-btn:hover{background:transparent;color:#334155}.top-module-btn:hover:before{opacity:1;transform:translateY(0);animation:top-module-particle-float 1.1s ease-out both}.top-module-btn.active{background:transparent;color:#3730a3}.top-module-btn.active:after{opacity:.92;transform:scaleX(1)}.top-module-btn.active:hover{background:transparent}.top-module-glyph{position:relative;z-index:1;flex:none;transition:color .18s ease}.top-module-label{position:relative;z-index:1;font-size:13.5px;font-weight:700;line-height:1}@keyframes top-module-particle-float{0%{opacity:0;transform:translateY(5px)}35%{opacity:1}to{opacity:.86;transform:translateY(-2px)}}@media (prefers-reduced-motion: reduce){.top-module-btn:hover:before{animation:none}}.top-bar-right{margin-left:auto;display:flex;align-items:center;gap:.36rem}.top-icon-btn{width:2.3rem;height:2.3rem;display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:999px;background:transparent;color:#64748b;cursor:pointer;transition:color .16s ease,background-color .16s ease}.top-icon-btn:hover{color:#4338ca;background:#6366f114}.top-icon-btn.active{color:#3730a3;background:#6366f11f}.help-btn:hover{color:#0891b2;background:#0ea5e91a}.lang-btn{width:2.2rem;height:2.2rem;padding:0;border-radius:999px}.lang-btn:hover{color:#228be6}.knowbase-guide-popover{--guide-surface: rgba(255, 255, 255, .98);--guide-text: #0f172a;--guide-muted: #64748b;--guide-line: rgba(148, 163, 184, .24);--guide-primary: #4f46e5;box-sizing:border-box;width:min(320px,100vw - 32px);max-width:min(320px,100vw - 32px);padding:1rem;border:1px solid var(--guide-line);border-radius:8px;background:var(--guide-surface);color:var(--guide-text);box-shadow:0 22px 58px #0f172a33}.driver-popover.knowbase-guide-popover{border-color:var(--guide-line)!important;background:var(--guide-surface)!important;color:var(--guide-text)!important}.knowbase-guide-popover .driver-popover-title{padding-right:3.2rem;color:var(--guide-text);font-size:.98rem;line-height:1.45}.knowbase-guide-popover .driver-popover-description{color:var(--guide-muted);font-size:.88rem;line-height:1.7}.knowbase-guide-popover .driver-popover-close-btn{top:.72rem;right:.72rem;width:auto;min-width:2.35rem;height:1.45rem;padding:0 .46rem;border-radius:999px;background:#94a3b81f;color:var(--guide-muted);font-size:.72rem;font-weight:700;line-height:1.45rem}.knowbase-guide-popover .driver-popover-close-btn:hover,.knowbase-guide-popover .driver-popover-close-btn:focus{background:#94a3b833;color:var(--guide-text)}.knowbase-guide-popover .driver-popover-footer{margin-top:1rem;gap:.75rem}.knowbase-guide-popover .driver-popover-progress-text{color:var(--guide-muted);font-size:.76rem;font-weight:700}.knowbase-guide-popover .driver-popover-navigation-btns{gap:.4rem}.knowbase-guide-popover .driver-popover-footer button{min-height:1.9rem;padding:0 .68rem;border:1px solid rgba(148,163,184,.28);border-radius:999px;background:#ffffffdb;color:var(--guide-text);font-size:.78rem;font-weight:700;line-height:1.9rem;text-shadow:none}.knowbase-guide-popover .driver-popover-footer button:hover,.knowbase-guide-popover .driver-popover-footer button:focus{background:#f8fafcfa}.knowbase-guide-popover .driver-popover-next-btn{border-color:color-mix(in srgb,var(--guide-primary) 42%,transparent);background:var(--guide-primary);color:#fff}.knowbase-guide-popover .driver-popover-next-btn:hover,.knowbase-guide-popover .driver-popover-next-btn:focus{background:#4338ca;color:#fff}.knowbase-guide-popover .driver-popover-arrow{border-color:var(--guide-surface)}.knowbase-guide-popover .driver-popover-arrow-side-left{border-right-color:transparent;border-bottom-color:transparent;border-top-color:transparent}.knowbase-guide-popover .driver-popover-arrow-side-right{border-left-color:transparent;border-bottom-color:transparent;border-top-color:transparent}.knowbase-guide-popover .driver-popover-arrow-side-top{border-right-color:transparent;border-bottom-color:transparent;border-left-color:transparent}.knowbase-guide-popover .driver-popover-arrow-side-bottom{border-left-color:transparent;border-top-color:transparent;border-right-color:transparent}[data-theme=dark] .knowbase-guide-popover{--guide-surface: #111827;--guide-text: #f8fafc;--guide-muted: #d8e2f0;--guide-line: rgba(71, 85, 105, .74);--guide-primary: #818cf8;box-shadow:0 22px 58px #0000006b}[data-theme=dark] .knowbase-guide-popover .driver-popover-footer button{background:#1e293bf0;color:var(--guide-text)}[data-theme=dark] .knowbase-guide-popover .driver-popover-next-btn{background:var(--guide-primary);color:#111827}[data-theme=dark] .knowbase-guide-popover .driver-popover-close-btn{background:#e2e8f01f;color:#e2e8f0}[data-theme=dark] .knowbase-guide-popover .driver-popover-footer button:hover,[data-theme=dark] .knowbase-guide-popover .driver-popover-footer button:focus,[data-theme=dark] .knowbase-guide-popover .driver-popover-close-btn:hover,[data-theme=dark] .knowbase-guide-popover .driver-popover-close-btn:focus{background:#e2e8f02e;color:#fff}[data-theme=eye] .knowbase-guide-popover{--guide-surface: rgba(252, 247, 236, .98);--guide-text: #4e4435;--guide-muted: #6f6658;--guide-line: rgba(120, 111, 92, .24);--guide-primary: #5f54d6}.content-body{flex:1;overflow-y:auto;overflow-x:hidden;position:relative;isolation:isolate;scroll-behavior:smooth;overscroll-behavior-y:contain;background:var(--page-surface)}.content-nav-loading{position:fixed;top:0;right:0;bottom:0;left:0;z-index:120;display:flex;overflow:hidden;align-items:center;justify-content:center;isolation:isolate;pointer-events:none;opacity:1;transition:opacity .18s ease}.content-nav-loading__curtain{position:absolute;top:0;bottom:0;width:50%;background:var(--nav-loading-overlay-bg);transition:transform .56s cubic-bezier(.22,1,.36,1);will-change:transform}.content-nav-loading__curtain--left{left:0}.content-nav-loading__curtain--right{right:0}.content-nav-loading__track{position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;gap:clamp(.8rem,1.4vw,1.2rem);transition:opacity .22s ease;will-change:opacity}.content-nav-loading__icon{width:clamp(72px,5.8vw,96px);height:auto;object-fit:contain;opacity:.22;backface-visibility:hidden;will-change:opacity;animation:content-nav-loading-sweep-once .34s linear 1 both;animation-delay:calc(var(--loading-index) * .15s)}.content-nav-loading.is-opening .content-nav-loading__curtain--left{transform:translate(-100%)}.content-nav-loading.is-opening .content-nav-loading__curtain--right{transform:translate(100%)}.content-nav-loading.is-closing,.content-nav-loading.is-closing .content-nav-loading__track{opacity:0}@keyframes content-nav-loading-sweep-once{0%,38%{opacity:.22}62%,to{opacity:1}}.content-body-page{min-height:100%;opacity:1;transform:translateY(0)}.content.content--snippets,.content.content--snippets .content-body.code-detail-shell,.content.content--snippets .content-body-page.code-detail-page{background:var(--snippet-canvas-bg, #ffffff)!important;background-color:var(--snippet-canvas-bg, 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