:root{--hg-violet:#6c4dff;--hg-violet-deep:#4a2ce0;--hg-pink:#ff5d8f;--hg-mint:#16d6c6;--hg-amber:#ffb545;--hg-ink:#171331;--hg-ink-2:#322c56;--hg-muted:#6c6890;--hg-line:#ece8fa;--hg-line-2:#ded8f5;--hg-soft:#f8f6ff;--hg-soft-2:#f2eeff;--hg-white:#fff;--hg-grad:linear-gradient(120deg,#7c5cff 0%,#9a5cff 45%,#ff5d8f 100%);--hg-grad-soft:linear-gradient(135deg,rgba(124,92,255,.12),rgba(255,93,143,.12));--hg-r-xs:10px;--hg-r-sm:14px;--hg-r-md:20px;--hg-r-lg:28px;--hg-r-xl:36px;--hg-r-pill:999px;--hg-shadow-xs:0 2px 8px rgba(35,22,90,.05);--hg-shadow-sm:0 8px 24px rgba(35,22,90,.07);--hg-shadow-md:0 20px 50px rgba(35,22,90,.10);--hg-shadow-lg:0 40px 90px rgba(35,22,90,.16);--hg-shadow-brand:0 18px 40px rgba(108,77,255,.28);--hg-wrap:1180px;--hg-head-h:74px;--hg-section-y:96px;--hg-font:"Inter","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;--hg-mono:"JetBrains Mono","SFMono-Regular",Consolas,monospace}*,*::before,*::after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body.hg-body{margin:0;font-family:var(--hg-font);font-size:16px;line-height:1.72;color:var(--hg-ink-2);background:var(--hg-white);overflow-x:hidden;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}img,svg,video{max-width:100%;vertical-align:middle;height:auto}a{color:inherit;text-decoration:none}h1,h2,h3,h4{margin:0 0 .5em;color:var(--hg-ink);line-height:1.24;font-weight:700;letter-spacing:-.015em}p{margin:0 0 1em}ul,ol{margin:0;padding:0;list-style:none}button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}input,textarea,select{font:inherit}table{border-collapse:collapse;width:100%}dl,dd,dt{margin:0}.hg-wrap{width:min(100% - 44px,var(--hg-wrap));margin-inline:auto}.hg-main{display:block}.hg-skip{position:absolute;left:-9999px;top:0;z-index:999;background:var(--hg-violet);color:#fff;padding:10px 18px;border-radius:0 0 var(--hg-r-sm) 0}.hg-skip:focus{left:0}.hg-icon{flex:0 0 auto}.hg-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--hg-violet)}.hg-eyebrow--pill{padding:6px 14px 6px 10px;border-radius:var(--hg-r-pill);background:rgba(108,77,255,.09);border:1px solid rgba(108,77,255,.18);letter-spacing:.6px}.hg-eyebrow__dot{width:7px;height:7px;border-radius:50%;background:var(--hg-grad);box-shadow:0 0 0 4px rgba(108,77,255,.14)}.hg-eyebrow--light{color:rgba(255,255,255,.82)}.hg-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:12.5px;color:var(--hg-muted);font-variant-numeric:tabular-nums}.hg-meta>span+span::before{content:"·";margin-right:10px;opacity:.5}.hg-meta--lg{font-size:13.5px}.hg-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--hg-violet)}.hg-link .hg-icon{transition:transform .22s ease}.hg-link:hover .hg-icon{transform:translateX(4px)}.hg-empty-tip{color:var(--hg-muted)}::selection{background:rgba(108,77,255,.18)}:focus-visible{outline:2px solid var(--hg-violet);outline-offset:3px;border-radius:6px}.hg-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:var(--hg-r-pill);border:1.5px solid transparent;background:transparent;font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease}.hg-btn:hover{transform:translateY(-2px)}.hg-btn:active{transform:translateY(0)}.hg-btn--primary{background:var(--hg-grad);color:#fff;box-shadow:var(--hg-shadow-brand)}.hg-btn--primary:hover{box-shadow:0 22px 48px rgba(108,77,255,.36);color:#fff}.hg-btn--ghost{background:#fff;color:var(--hg-ink);border-color:var(--hg-line-2);box-shadow:var(--hg-shadow-xs)}.hg-btn--ghost:hover{border-color:rgba(108,77,255,.45);color:var(--hg-violet)}.hg-btn--light{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.34);backdrop-filter:blur(6px)}.hg-btn--light:hover{background:rgba(255,255,255,.26);border-color:rgba(255,255,255,.6);color:#fff}.hg-btn--sm{padding:9px 18px;font-size:14px}.hg-btn--lg{padding:15px 30px;font-size:16px}.hg-btn--block{width:100%}.hg-notice{background:linear-gradient(90deg,#241a5c,#4a2ce0 48%,#b93a75);color:#fff;font-size:13.5px}.hg-notice.is-hidden{display:none}.hg-notice__inner{display:flex;align-items:center;justify-content:center;gap:12px;min-height:40px;padding:6px 0}.hg-notice__badge{font-size:10.5px;font-weight:700;letter-spacing:1px;padding:3px 8px;border-radius:6px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.28)}.hg-notice__text{margin:0;opacity:.94}.hg-notice__link{display:inline-flex;align-items:center;gap:4px;font-weight:600;color:#ffd9e6}.hg-notice__link:hover{color:#fff}.hg-notice__close{color:rgba(255,255,255,.7);padding:4px;border-radius:6px;margin-left:4px}.hg-notice__close:hover{color:#fff;background:rgba(255,255,255,.12)}.hg-head{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.84);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid transparent;transition:box-shadow .25s ease,border-color .25s ease,background .25s ease}.hg-head.is-stuck{box-shadow:0 10px 30px rgba(35,22,90,.08);border-color:var(--hg-line)}.hg-head__inner{display:flex;align-items:center;gap:22px;height:var(--hg-head-h)}.hg-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}.hg-brand__mark{display:inline-flex;filter:drop-shadow(0 8px 18px rgba(108,77,255,.32))}.hg-brand__text{display:flex;flex-direction:column;line-height:1.15}.hg-brand__text strong{font-size:17.5px;color:var(--hg-ink)}.hg-brand__text em{font-style:normal;font-size:9.5px;letter-spacing:2.4px;color:#a29ec0;text-transform:uppercase}.hg-nav{flex:1 1 auto}.hg-nav__list{display:flex;align-items:center;gap:2px}.hg-nav__item{position:relative}.hg-nav__link{display:inline-flex;align-items:center;gap:4px;padding:9px 13px;border-radius:var(--hg-r-pill);font-size:15px;color:var(--hg-ink-2);transition:color .2s ease,background .2s ease}.hg-nav__link:hover,.hg-nav__item.current-menu-item>.hg-nav__link{color:var(--hg-violet);background:var(--hg-soft-2)}.hg-nav__list .sub-menu{position:absolute;top:calc(100%+8px);left:0;z-index:20;min-width:190px;padding:8px;list-style:none;background:#fff;border:1px solid var(--hg-line);border-radius:var(--hg-r-sm);box-shadow:var(--hg-shadow-md);opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .2s ease,transform .2s ease,visibility .2s}.hg-nav__list li:hover>.sub-menu,.hg-nav__list li:focus-within>.sub-menu{opacity:1;visibility:visible;transform:none}.hg-nav__list .sub-menu a{display:block;padding:8px 12px;border-radius:8px;font-size:14px}.hg-nav__list .sub-menu a:hover{background:var(--hg-soft);color:var(--hg-violet)}.hg-head__actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}.hg-head__login{border-color:transparent;background:transparent;box-shadow:none}.hg-head__login:hover{background:var(--hg-soft);border-color:transparent}.hg-burger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--hg-line);color:var(--hg-ink)}.hg-demo{position:relative;width:min(100%,760px);margin:44px auto 0;background:#fff;border:1px solid var(--hg-line);border-radius:var(--hg-r-lg);box-shadow:var(--hg-shadow-lg);overflow:hidden;text-align:left}.hg-demo__bar{display:flex;align-items:center;gap:10px;padding:12px 18px;border-bottom:1px solid var(--hg-line);background:linear-gradient(180deg,#fdfcff,#f9f7ff);font-size:12.5px;color:var(--hg-muted)}.hg-demo__dot{width:9px;height:9px;border-radius:50%;background:var(--hg-grad)}.hg-demo__pairs{font-weight:600;color:var(--hg-ink-2)}.hg-demo__pairs i{font-style:normal;color:var(--hg-violet);margin:0 2px}.hg-demo__mode{padding:3px 9px;border-radius:var(--hg-r-pill);background:var(--hg-soft-2);color:var(--hg-violet);font-size:11.5px;font-weight:600}.hg-demo__live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:#12b886;font-weight:600}.hg-demo__live::before{content:"";width:6px;height:6px;border-radius:50%;background:#12b886;box-shadow:0 0 0 0 rgba(18,184,134,.5);animation:hgPulse 2.2s infinite}@keyframes hgPulse{70%{box-shadow:0 0 0 10px rgba(18,184,134,0)}100%{box-shadow:0 0 0 0 rgba(18,184,134,0)}}.hg-demo__body{padding:22px 22px 16px;display:flex;flex-direction:column;gap:12px}.hg-bubble{max-width:78%;padding:12px 16px;border-radius:18px;font-size:14.5px;line-height:1.65;position:relative}.hg-bubble p{margin:0}.hg-bubble__meta{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600;letter-spacing:.3px;opacity:.7;margin-bottom:5px}.hg-bubble__meta em{font-style:normal;padding:1px 7px;border-radius:var(--hg-r-pill);background:rgba(255,255,255,.5);color:inherit}.hg-bubble--in{align-self:flex-start;background:var(--hg-soft);color:var(--hg-ink-2);border:1px solid var(--hg-line);border-bottom-left-radius:6px}.hg-bubble--out{align-self:flex-end;background:linear-gradient(135deg,rgba(124,92,255,.12),rgba(255,93,143,.12));color:var(--hg-ink);border:1px solid rgba(108,77,255,.16);border-bottom-right-radius:6px}.hg-bubble--sm{font-size:13px;padding:10px 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em{font-style:normal;color:var(--hg-violet)}.hg-mock__row{display:grid;grid-template-columns:84px 1fr auto;align-items:center;gap:10px;padding:9px 10px;border-radius:10px;font-size:12.5px;background:var(--hg-soft);margin-bottom:6px}.hg-mock__row span{font-family:var(--hg-mono);color:var(--hg-violet);font-weight:600}.hg-mock__row em{font-style:normal;color:var(--hg-ink-2)}.hg-lock{font-style:normal;font-size:10.5px;padding:2px 7px;border-radius:var(--hg-r-pill);background:rgba(22,214,198,.14);color:#0a9b8e;font-weight:700}.hg-lock--off{background:var(--hg-soft-2);color:var(--hg-muted)}.hg-mock__bar{height:5px;border-radius:3px;background:var(--hg-soft-2);margin:14px 0 8px;overflow:hidden}.hg-mock__bar i{display:block;height:100%;border-radius:3px;background:var(--hg-grad)}.hg-mock__note{font-size:11.5px;color:var(--hg-muted);margin:0}.hg-tone{display:flex;align-items:center;gap:8px;margin-bottom:12px}.hg-tone span{font-size:11.5px;padding:4px 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22px;border-radius:var(--hg-r-lg)}.hg-foot{padding-top:46px}.hg-foot__cols{grid-template-columns:repeat(2,1fr);gap:22px}.hg-foot__bottom{flex-direction:column}.hg-foot__bottom a{margin-left:0}.hg-page-hero{padding:26px 0 38px}.hg-search{max-width:100%}.hg-prose{font-size:16px}.hg-top{right:14px;bottom:16px;width:40px;height:40px}}@media (max-width:460px){.hg-hero__title{font-size:36px}.hg-hero__lines-sep{display:none}.hg-hero__lines{flex-direction:column}.hg-stats__list{grid-template-columns:1fr 1fr}.hg-showcase__no{font-size:52px}.hg-mock__row{grid-template-columns:72px 1fr}.hg-mock__row .hg-lock{grid-column:2;justify-self:start}}