@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--blue: #2563eb;--blue-hover: #1d4ed8;--blue-light: #eff6ff;--blue-ring: rgba(37, 99, 235, .18);--blue-border: #bfdbfe;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--border-soft: #f1f5f9;--text: #0f172a;--text-2: #475569;--text-3: #94a3b8;--tag-bg: #eff6ff;--tag-text: #1d4ed8;--tag-border: #bfdbfe;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-pill: 999px;--shadow-sm: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);--font: "Inter", system-ui, -apple-system, sans-serif}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer;border:none;background:none}input{font-family:inherit}a{color:inherit}.page{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:760px;margin:0 auto;padding:0 20px}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:52px 20px 40px;text-align:center}.header__icon{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;background:var(--blue-light);color:var(--blue);border-radius:var(--radius-md);margin-bottom:16px}.header__title{font-size:30px;font-weight:700;color:var(--text);letter-spacing:-.02em;line-height:1.2;margin-bottom:6px}.header__subtitle{font-size:16px;color:var(--text-2);font-weight:400;margin-bottom:28px}.search{position:relative;max-width:540px;margin:0 auto}.search__icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-3);pointer-events:none;display:flex;align-items:center}.search__input{width:100%;padding:13px 44px;font-size:15px;color:var(--text);background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);outline:none;transition:border-color .15s,box-shadow .15s;box-shadow:var(--shadow-sm)}.search__input::placeholder{color:var(--text-3)}.search__input:focus{border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-ring)}.search__input::-webkit-search-cancel-button{display:none}.search__clear{position:absolute;right:12px;top:50%;transform:translateY(-50%);display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;color:var(--text-3);transition:background .15s,color .15s}.search__clear:hover{background:var(--border-soft);color:var(--text)}.filters-wrap{position:sticky;top:0;z-index:10;background:var(--surface);border-bottom:1px solid var(--border);box-shadow:0 2px 8px #0000000a}.filters{display:flex;gap:8px;padding:12px 20px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}.filters::-webkit-scrollbar{display:none}.filter{flex-shrink:0;padding:6px 14px;font-size:13px;font-weight:500;border-radius:var(--radius-pill);border:1.5px solid var(--border);background:var(--surface);color:var(--text-2);transition:all .15s;white-space:nowrap}.filter:hover{border-color:var(--blue);color:var(--blue);background:var(--blue-light)}.filter--active{background:var(--blue);border-color:var(--blue);color:#fff}.filter--active:hover{background:var(--blue-hover);border-color:var(--blue-hover);color:#fff}.content{flex:1;padding:36px 20px 64px}.group{margin-bottom:40px}.group__header{display:flex;align-items:center;gap:10px;margin-bottom:14px}.group__label{font-size:11px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text-3);white-space:nowrap}.group__rule{flex:1;height:1px;background:var(--border-soft)}.group__count{font-size:11px;font-weight:500;color:var(--text-3);background:#f1f5f9;padding:2px 8px;border-radius:var(--radius-pill)}.group__items{display:flex;flex-direction:column;gap:8px}.item{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-md);overflow:hidden;transition:border-color .15s,box-shadow .15s}.item:hover{border-color:var(--blue-border);box-shadow:var(--shadow-sm)}.item--open{border-color:var(--blue);border-left-width:3px;box-shadow:var(--shadow-md)}.item__trigger{width:100%;display:flex;align-items:center;justify-content:space-between;padding:16px 18px;text-align:left;gap:14px;transition:background .15s}.item__trigger:hover{background:var(--bg)}.item--open .item__trigger{background:var(--blue-light)}.item__question{font-size:15px;font-weight:500;color:var(--text);line-height:1.45;flex:1}.item--open .item__question{color:var(--blue)}.item__chevron{flex-shrink:0;color:var(--text-3);transition:transform .22s ease,color .15s;display:flex;align-items:center}.item--open .item__chevron{transform:rotate(180deg);color:var(--blue)}.item__body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .25s ease}.item__body--open{grid-template-rows:1fr}.item__answer{overflow:hidden;border-top:1px solid #e0eaff;background:var(--blue-light);padding:0 18px;transition:padding .25s ease}.item__body--open .item__answer{padding:16px 18px 18px}.item__answer-text{font-size:15px;color:var(--text-2);line-height:1.75}.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}.tag{display:inline-block;padding:3px 10px;font-size:11.5px;font-weight:500;color:var(--tag-text);background:var(--surface);border:1px solid var(--tag-border);border-radius:var(--radius-pill)}mark{background:#dbeafe;color:var(--blue-hover);border-radius:2px;padding:0 1px;font-weight:500}.empty{text-align:center;padding:72px 20px;color:var(--text-3)}.empty-icon{width:52px;height:52px;margin:0 auto 16px;color:var(--border)}.empty__title{font-size:16px;font-weight:600;color:var(--text-2);margin-bottom:6px}.empty__desc{font-size:14px;color:var(--text-3);max-width:340px;margin:0 auto;line-height:1.6}.footer{background:var(--surface);border-top:1px solid var(--border);padding:24px 20px;text-align:center}.footer__text{font-size:14px;color:var(--text-3)}.footer__link{color:var(--blue);text-decoration:none;font-weight:500}.footer__link:hover{text-decoration:underline}@media (max-width: 600px){.header{padding:36px 20px 28px}.header__title{font-size:24px}.header__subtitle{font-size:14px}.item__trigger{padding:14px}.item__question{font-size:14px}.item__answer{padding:0 14px}.item__body--open .item__answer{padding:14px 14px 16px}.item__answer-text{font-size:14px}}