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var(--border);border-radius:var(--r-xl);flex-shrink:0}.cat-hero__body{display:flex;flex-direction:column;gap:var(--sp-2)}.cat-hero__title{font-size:var(--text-3xl);font-weight:800;letter-spacing:-.04em;line-height:1.1}.cat-hero__description{font-size:var(--text-base);color:var(--text-2);max-width:520px;line-height:1.7}.cat-hero__count{display:inline-flex;align-items:center;gap:.4em;font-size:var(--text-xs);font-weight:600;color:var(--cat-color,var(--accent));letter-spacing:.06em;text-transform:uppercase}.empty-state{text-align:center;padding:var(--sp-20) var(--sp-8);display:flex;flex-direction:column;align-items:center;gap:var(--sp-4)}.empty-state__icon{font-size:3rem}.empty-state__title{font-size:var(--text-2xl);font-weight:700}.empty-state__text{color:var(--text-2);max-width:360px}.category-grid{display:grid;gap:var(--sp-4);grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}.category-card{display:flex;align-items:center;gap:var(--sp-4);padding:var(--sp-5);background:var(--glass-bg);border:1px solid var(--glass-border);border-left:3px solid var(--cat-color,var(--accent));border-radius:var(--r-xl);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);transition:transform var(--dur-base) var(--ease-out),box-shadow var(--dur-base);color:var(--text)}.category-card:hover{transform:translateX(4px);box-shadow:var(--shadow-md)}.category-card__icon-wrap{display:flex;align-items:center;justify-content:center;width:48px;height:48px;background:var(--surface-2);border-radius:var(--r-lg);flex-shrink:0}.category-card__icon{font-size:1.5rem}.category-card__body{flex:1;min-width:0}.category-card__name{font-size:var(--text-base);font-weight:700;letter-spacing:-.01em}.category-card__desc{font-size:var(--text-xs);color:var(--text-2);margin-top:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.category-card__count{font-size:var(--text-xs);font-weight:600;color:var(--cat-color,var(--accent));margin-top:var(--sp-1);display:block}.category-card__arrow{color:var(--text-3);flex-shrink:0;transition:transform var(--dur-fast),color var(--dur-fast)}.category-card:hover .category-card__arrow{transform:translateX(4px);color:var(--accent)}.section--search-cta{background:var(--surface);border-top:1px solid var(--border)}.search-cta{display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--sp-6);padding-block:var(--sp-8)}.search-cta__title{font-size:var(--text-2xl);font-weight:700;letter-spacing:-.03em}.search-cta__desc{font-size:var(--text-base);color:var(--text-2)}.search-cta__form{display:flex;align-items:stretch;width:100%;max-width:600px}.search-cta__form .btn{height:auto;padding-inline:var(--sp-6);flex-shrink:0}.search-cta__input{flex:1;padding:var(--sp-4) var(--sp-6);background:var(--surface-2);border:1px solid var(--border);border-right:none;border-radius:var(--r-full) 0 0 var(--r-full);font-size:var(--text-base);color:var(--text);transition:border-color var(--dur-fast)}.search-cta__input:focus{outline:none;border-color:var(--accent)}.search-cta__input::placeholder{color:var(--text-3)}.search-cta__form .btn{border-radius:0 var(--r-full) var(--r-full) 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var(--dur-fast)}.pagination__page:hover{background:var(--surface);color:var(--text)}.pagination__page--active{background:var(--accent);color:var(--bg);border-color:var(--accent);font-weight:700}.pagination__ellipsis{color:var(--text-3);padding:0 var(--sp-2)}.empty-state{padding:var(--sp-16) var(--sp-8);text-align:center;color:var(--text-2);font-size:var(--text-lg)}.breadcrumb{display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap;margin-bottom:var(--sp-4)}.breadcrumb__link{font-size:var(--text-sm);color:var(--text-3);transition:color var(--dur-fast)}.breadcrumb__link:hover{color:var(--accent)}.breadcrumb__sep{color:var(--text-3);font-size:var(--text-sm)}.breadcrumb__current{font-size:var(--text-sm);color:var(--text-2)}.breadcrumb-bar{background:transparent;padding-block:var(--sp-3)}.breadcrumb{display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap}.breadcrumb__item{display:flex;align-items:center;gap:var(--sp-1);font-size:var(--text-sm);color:var(--text-2);transition:color var(--dur-fast)}.breadcrumb__item:hover{color:var(--accent)}.breadcrumb__item--current{color:var(--text-3);pointer-events:none;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:280px}.breadcrumb__sep{color:var(--text-3);flex-shrink:0}.post-header{margin-bottom:var(--sp-8)}.post-header__cover-wrap{position:relative;overflow:hidden;background:var(--surface);margin-bottom:var(--sp-8);height:420px;max-height:420px;max-width:1200px;margin-inline:auto;border-radius:var(--r-xl)}.post-header__cover{width:100%;height:420px;max-height:420px;object-fit:cover;display:block}.post-header__category-badge{position:absolute;top:var(--sp-4);left:var(--sp-4);padding:.3em .9em;border-radius:var(--r-full);font-size:var(--text-xs);font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.06em}.post-header__category-badge--inline{position:static;display:inline-block;margin-bottom:var(--sp-3)}.post-header__inner{padding-block:var(--sp-6) var(--sp-2);max-width:780px}.post-header__title{font-size:var(--text-3xl);font-weight:800;letter-spacing:-.04em;line-height:1.15;margin-bottom:var(--sp-5)}.post-header__excerpt{font-size:var(--text-lg);color:var(--text-2);line-height:1.7}.post-meta-bar{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding-block:var(--sp-4);margin-bottom:var(--sp-10)}.post-meta-bar__inner{display:flex;align-items:center;gap:var(--sp-6);flex-wrap:wrap;max-width:780px}.post-meta-bar__author{display:flex;align-items:center;gap:var(--sp-3)}.post-meta-bar__avatar{width:36px;height:36px;border-radius:var(--r-full);object-fit:cover;background:var(--surface-2);border:2px solid 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code{font-family:var(--font-mono);font-size:.875em;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);padding:.1em .4em;color:var(--accent-2)}.post-body pre{position:relative;background:var(--code-bg)!important;border:1px solid var(--border);border-radius:var(--r-lg);padding:var(--sp-6)!important;overflow-x:auto;font-size:var(--text-sm)!important;line-height:1.65!important}.post-body pre code{background:none!important;border:none!important;padding:0!important;color:inherit!important;font-size:inherit!important}.copy-btn{position:absolute;top:var(--sp-3);right:var(--sp-3);padding:.3em .75em;background:var(--surface-2);border:1px solid var(--border);border-radius:var(--r-sm);font-size:var(--text-xs);font-family:var(--font-sans);color:var(--text-2);cursor:pointer;opacity:0;transition:opacity var(--dur-fast),background var(--dur-fast),color var(--dur-fast)}.post-body pre:hover .copy-btn{opacity:1}.copy-btn.copied,.copy-btn:hover{background:var(--accent);border-color:var(--accent);color:var(--bg);opacity:1}.post-tags{display:flex;align-items:flex-start;gap:var(--sp-3);padding-top:var(--sp-6);border-top:1px solid var(--border);flex-wrap:wrap}.post-tags__label{display:flex;align-items:center;gap:var(--sp-1);font-size:var(--text-sm);font-weight:600;color:var(--text-3);flex-shrink:0;padding-top:.2em}.post-tags__list{display:flex;flex-wrap:wrap;gap:var(--sp-2)}.post-share{display:flex;align-items:center;gap:var(--sp-3);padding-top:var(--sp-4);flex-wrap:wrap}.post-share__label{font-size:var(--text-sm);color:var(--text-3);font-weight:600}.post-share__btn{display:flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:var(--r-full);background:var(--surface);border:1px solid var(--border);color:var(--text-2);transition:background var(--dur-fast),color var(--dur-fast),border-color var(--dur-fast)}.post-share__btn:hover{border-color:currentColor}.post-share__btn--twitter:hover{color:#1d9bf0}.post-share__btn--linkedin:hover{color:#0a66c2}.post-share__btn--copy:hover{color:var(--accent)}.toc-widget{position:sticky;top:calc(var(--nav-h)+var(--sp-4));background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--glass-border);border-radius:var(--r-xl);padding:var(--sp-5);max-height:calc(100vh - var(--nav-h) - 2rem);overflow-y:auto}.toc-widget__title{display:flex;align-items:center;gap:var(--sp-2);font-size:var(--text-sm);font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);margin-bottom:var(--sp-4)}.toc-widget__nav{display:flex;flex-direction:column;gap:2px}.toc-widget__nav a{display:block;padding:var(--sp-1) var(--sp-2);font-size:var(--text-sm);color:var(--text-2);border-radius:var(--r-sm);border-left:2px solid transparent;transition:color var(--dur-fast),background var(--dur-fast),border-color var(--dur-fast);line-height:1.4}.toc-widget__nav a:hover{color:var(--text);background:var(--surface)}.toc-widget__nav a.toc-active{color:var(--accent);border-left-color:var(--accent);background:var(--surface)}.category-hero,.tag-hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--border)}.category-hero::before,.tag-hero::before{content:'';position:absolute;inset:0;background:var(--hero-grad);pointer-events:none}.category-hero-inner,.tag-hero-inner{position:relative;z-index:1;padding-block:var(--sp-16) var(--sp-12);display:flex;flex-direction:column;align-items:flex-start;gap:var(--sp-4)}.category-hero-icon,.tag-hero-icon{font-size:3rem}.category-hero-title,.tag-hero-title{font-size:var(--text-3xl);font-weight:800;letter-spacing:-.04em}.category-hero-description,.tag-hero-meta{color:var(--text-2);font-size:var(--text-lg)}.category-hero-stats,.tag-hero-stats{display:flex;gap:var(--sp-6);font-size:var(--text-sm);color:var(--text-3);font-weight:600}.search-hero{background:var(--bg);border-bottom:1px solid var(--border);padding-block:var(--sp-12)}.search-hero-inner{max-width:720px}.search-hero-title{font-size:var(--text-2xl);font-weight:700;margin-bottom:var(--sp-6)}.search-form{display:flex;width:100%;max-width:600px}.search-form .search-form__wrap{flex:1}.search-input-wrap{position:relative;flex:1}.search-input-icon{position:absolute;left:var(--sp-4);top:50%;transform:translateY(-50%);color:var(--text-3)}.search-input{width:100%;padding:var(--sp-4) var(--sp-4) var(--sp-4) var(--sp-10);background:var(--surface-2);border:1px solid var(--border);border-right:none;border-radius:var(--r-full) 0 0 var(--r-full);font-size:var(--text-base);color:var(--text)}.search-input:focus{outline:none;border-color:var(--accent)}.search-input::placeholder{color:var(--text-3)}.search-submit{border-radius:0 var(--r-full) var(--r-full) 0}.search-results-header{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);margin-bottom:var(--sp-6);flex-wrap:wrap}.search-results-count{font-size:var(--text-lg);font-weight:600}.search-results-query{color:var(--accent)}.search-live-results{display:flex;flex-direction:column;gap:var(--sp-4)}.search-spinner{display:flex;justify-content:center;gap:var(--sp-2);padding:var(--sp-8)}.spinner-dot{width:10px;height:10px;border-radius:var(--r-full);background:var(--accent);animation:spin-dot .8s ease-in-out infinite}.spinner-dot:nth-child(2){animation-delay:.1s}.spinner-dot:nth-child(3){animation-delay:.2s}@keyframes spin-dot{0%,80%,100%{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.search-empty-prompt{padding:var(--sp-10);text-align:center;color:var(--text-2)}.search-prompt-title{font-size:var(--text-xl);font-weight:700;margin-bottom:var(--sp-4)}.suggestions-label{font-size:var(--text-sm);color:var(--text-3);margin-bottom:var(--sp-3)}.suggestions-list{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--sp-2)}.suggestion-chip{padding:.4em 1em;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-full);font-size:var(--text-sm);color:var(--text-2);transition:background var(--dur-fast),color var(--dur-fast)}.suggestion-chip:hover{background:var(--accent);border-color:var(--accent);color:var(--bg)}.search-prompt-categories .category-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--sp-3);margin-top:var(--sp-4)}.category-chip{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-full);font-size:var(--text-sm);font-weight:600;color:var(--text-2);transition:all var(--dur-fast)}.category-chip:hover{background:var(--accent);border-color:var(--accent);color:var(--bg)}.category-chip-icon{font-size:1rem}.search-hero-query{font-size:var(--text-base);color:var(--text-2);margin-top:var(--sp-4)}.about-hero{position:relative;overflow:hidden;background:var(--bg);border-bottom:1px solid var(--border)}.about-hero::before{content:'';position:absolute;inset:0;background:var(--hero-grad);pointer-events:none}.about-hero-inner{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;text-align:center;gap:var(--sp-5);padding-block:var(--sp-20)}@media(min-width:768px){.about-hero-inner{flex-direction:row;text-align:left;gap:var(--sp-10)}}.about-avatar{position:relative;flex-shrink:0}.about-avatar-ring{width:140px;height:140px;border-radius:var(--r-full);padding:3px;background:linear-gradient(135deg,var(--accent),var(--accent-2))}.about-avatar-img{width:100%;height:100%;border-radius:var(--r-full);object-fit:cover}.about-avatar-initials{width:100%;height:100%;border-radius:var(--r-full);background:var(--surface-2);display:flex;align-items:center;justify-content:center;font-size:2.5rem;font-weight:800;color:var(--accent)}.about-hero-content{display:flex;flex-direction:column;gap:var(--sp-3)}.about-hero-badge{display:inline-flex;align-items:center;gap:var(--sp-2);font-size:var(--text-xs);font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:.1em}.status-dot{width:8px;height:8px;border-radius:var(--r-full);background:#10b981;box-shadow:0 0 0 3px rgba(16,185,129,.2);animation:pulse-dot 2s ease-in-out infinite}@keyframes pulse-dot{0%,100%{box-shadow:0 0 0 3px rgba(16,185,129,.2)}50%{box-shadow:0 0 0 6px rgba(16,185,129,.1)}}.about-hero-name{font-size:var(--text-3xl);font-weight:800;letter-spacing:-.04em}.about-hero-title{font-size:var(--text-xl);color:var(--text-2);font-weight:500}.about-hero-location{font-size:var(--text-sm);color:var(--text-3)}.about-hero-social{display:flex;gap:var(--sp-3);flex-wrap:wrap}.social-link-lg{display:flex;align-items:center;gap:var(--sp-2);padding:var(--sp-2) var(--sp-4);background:var(--surface);border:1px solid var(--border);border-radius:var(--r-full);font-size:var(--text-sm);font-weight:600;color:var(--text-2);transition:all var(--dur-fast)}.social-link-lg:hover{border-color:var(--accent);color:var(--accent);background:var(--surface-2)}.about-container{display:grid;gap:var(--sp-10);padding-block:var(--sp-12);align-items:start}@media(min-width:1024px){.about-container{grid-template-columns:1fr 320px}}.about-section{margin-bottom:var(--sp-10)}.about-section-title{display:flex;align-items:center;gap:var(--sp-2);font-size:var(--text-xl);font-weight:700;letter-spacing:-.02em;margin-bottom:var(--sp-5);padding-bottom:var(--sp-3);border-bottom:1px solid var(--border)}.about-section-icon{font-size:1.3rem}.about-bio-text{font-size:var(--text-base);color:var(--text-2);line-height:1.8}.about-bio-block{display:flex;flex-direction:column;gap:var(--sp-4)}.skills-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:var(--sp-3)}.skill-card{display:flex;flex-direction:column;gap:var(--sp-2);padding:var(--sp-4);background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--r-lg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur)}.skill-icon{font-size:1.5rem}.skill-name{font-size:var(--text-sm);font-weight:700;color:var(--text)}.skill-level{font-size:var(--text-xs);color:var(--accent);font-weight:600}.timeline{display:flex;flex-direction:column;gap:var(--sp-6)}.timeline-item{position:relative;padding-left:var(--sp-8)}.timeline-item::before{content:'';position:absolute;left:11px;top:24px;bottom:-24px;width:1px;background:var(--border)}.timeline-item:last-child::before{display:none}.timeline-marker{position:absolute;left:0;top:4px;width:24px;height:24px;border-radius:var(--r-full);background:var(--surface-2);border:2px solid var(--border);display:flex;align-items:center;justify-content:center}.timeline-marker-active{background:var(--accent);border-color:var(--accent);box-shadow:0 0 12px 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.2s;flex-shrink:0;text-decoration:none}.navbar-avatar:hover{border-color:#6366f1;transform:scale(1.08)}.navbar-avatar__img{width:100%;height:100%;object-fit:cover;display:block}.navbar-avatar__fallback{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:var(--surface-2);color:var(--text-2)}.qa-mod-avatar{width:26px;height:26px;border-radius:50%;object-fit:cover;border:2px solid var(--accent);flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;vertical-align:middle}.qa-mod-avatar--fallback{background:#6366f1;color:#fff;padding:4px;box-sizing:border-box}.sp-popup{position:fixed;bottom:1.5rem;left:1.5rem;z-index:9999;display:flex;align-items:center;gap:.75rem;background:var(--surface);border:1px solid var(--border);border-radius:.75rem;padding:.75rem 1rem .75rem .75rem;box-shadow:0 8px 30px rgba(0,0,0,.18);max-width:280px;transform:translateX(-120%);opacity:0;transition:transform .35s cubic-bezier(.34,1.56,.64,1),opacity .35s ease;cursor:default;user-select:none}.sp-popup+.sp-popup{bottom:6rem}.sp-popup--show{transform:translateX(0);opacity:1}.sp-popup--hide{transform:translateX(-120%);opacity:0}.sp-popup__avatar{flex-shrink:0;width:2.2rem;height:2.2rem;border-radius:50%;color:#fff;font-weight:700;font-size:.75rem;display:flex;align-items:center;justify-content:center;letter-spacing:.02em}.sp-popup__body{flex:1;min-width:0;display:flex;flex-direction:column;gap:.1rem;line-height:1.3}.sp-popup__name{font-weight:700;font-size:.82rem;color:var(--text)}.sp-popup__action{font-size:.78rem;color:var(--text-2,var(--text));opacity:.8}.sp-popup__time{font-size:.72rem;color:var(--text-3,var(--text));opacity:.55}.sp-popup__close{flex-shrink:0;background:none;border:none;color:var(--text);opacity:.4;cursor:pointer;font-size:1.1rem;line-height:1;padding:0 0 0 .25rem;align-self:flex-start;transition:opacity .15s}.sp-popup__close:hover{opacity:.9}@media (max-width:480px){.sp-popup{max-width:calc(100vw - 2rem);left:1rem;bottom:1rem}.sp-popup+.sp-popup{bottom:5.5rem}}.qa-asker-avatar{flex-shrink:0;width:2.6rem;height:2.6rem;border-radius:50%;object-fit:cover;border:2px solid #6366f1;margin-top:.1rem;display:block}.qa-card__avatar{width:2.2rem;height:2.2rem;border-radius:50%;object-fit:cover;border:2px solid #6366f1;flex-shrink:0;background:#6366f1}