.hero[data-astro-cid-gp6napx3]{position:relative;min-height:100svh;display:flex;align-items:center;justify-content:center;overflow:hidden;background:linear-gradient(180deg,#fff 0%,var(--hd-bg-soft) 100%);padding-top:var(--nav-h)}.hero-glow[data-astro-cid-gp6napx3]{position:absolute;top:-22%;left:50%;transform:translate(-50%);width:min(900px,90vw);aspect-ratio:1;background:radial-gradient(circle,rgba(var(--hd-primary-rgb),.18),rgba(var(--hd-primary-rgb),0) 60%);pointer-events:none}.hero-inner[data-astro-cid-gp6napx3]{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center;padding-bottom:var(--sp-9)}.hero-badge[data-astro-cid-gp6napx3]{display:inline-flex;align-items:center;gap:6px;padding:.5rem 1rem;background:#fff;border:1px solid var(--hd-primary-tint);color:var(--hd-primary);font-size:var(--fs-sm);font-weight:700;border-radius:var(--r-pill);box-shadow:var(--shadow-sm);margin-bottom:var(--sp-5)}.hero-title[data-astro-cid-gp6napx3]{font-size:var(--fs-hero);max-width:16ch;margin-bottom:var(--sp-4)}.hero-title[data-astro-cid-gp6napx3] .accent[data-astro-cid-gp6napx3]{color:var(--hd-primary)}.hero-sub[data-astro-cid-gp6napx3]{font-size:var(--fs-md);color:var(--hd-ink-2);max-width:52ch;margin-bottom:var(--sp-6)}.hero-search[data-astro-cid-gp6napx3]{display:flex;align-items:center;gap:var(--sp-2);width:min(680px,100%);padding:.5rem .5rem .5rem 1.25rem;background:#fff;border:2px solid var(--hd-line);border-radius:var(--r-pill);box-shadow:var(--shadow-md);transition:border-color .2s ease,box-shadow .2s ease}.hero-search[data-astro-cid-gp6napx3]:focus-within{border-color:var(--hd-primary);box-shadow:var(--shadow-lg)}.search-icon[data-astro-cid-gp6napx3]{color:var(--hd-muted);flex-shrink:0}.search-input[data-astro-cid-gp6napx3]{flex:1;border:none;outline:none;background:none;font-size:var(--fs-md);font-weight:500;padding:.65rem .25rem;min-width:0}.search-input[data-astro-cid-gp6napx3]::placeholder{color:var(--hd-muted)}.search-submit[data-astro-cid-gp6napx3]{flex-shrink:0;border:none;cursor:pointer;background:var(--hd-primary);color:#fff;font-weight:700;padding:.75rem 1.6rem;border-radius:var(--r-pill);box-shadow:var(--shadow-brand);transition:background .15s ease,transform .15s ease}.search-submit[data-astro-cid-gp6napx3]:hover{background:var(--hd-primary-hover);transform:translateY(-1px)}.hero-chips[data-astro-cid-gp6napx3]{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:var(--sp-2);margin-top:var(--sp-5)}.chips-label[data-astro-cid-gp6napx3]{color:var(--hd-muted);font-size:var(--fs-sm);font-weight:600}.chip[data-astro-cid-gp6napx3]{padding:.5rem 1rem;background:#ffffffb3;border:1px solid var(--hd-line);border-radius:var(--r-pill);font-size:var(--fs-sm);font-weight:600;color:var(--hd-ink-2);cursor:pointer;transition:all .15s ease}.chip[data-astro-cid-gp6napx3]:hover{border-color:var(--hd-primary);color:var(--hd-primary);background:#fff}.scroll-cue[data-astro-cid-gp6napx3]{position:absolute;bottom:var(--sp-5);left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--hd-muted);font-size:var(--fs-xs);font-weight:700;letter-spacing:.04em;text-transform:uppercase}.scroll-cue[data-astro-cid-gp6napx3] svg[data-astro-cid-gp6napx3]{animation:bounce 1.8s infinite}.scroll-cue[data-astro-cid-gp6napx3]:hover{color:var(--hd-primary)}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(5px)}}@media(max-width:600px){.search-submit[data-astro-cid-gp6napx3]{padding:.75rem 1.1rem}.scroll-cue[data-astro-cid-gp6napx3] span[data-astro-cid-gp6napx3]{display:none}}.problem-head[data-astro-cid-ulbz6mqn]{max-width:18ch;margin-inline:auto}.problem-grid[data-astro-cid-ulbz6mqn]{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-5);margin-top:var(--sp-8);text-align:left}.problem-card[data-astro-cid-ulbz6mqn]{padding:var(--sp-6);background:var(--hd-bg-soft);border:1px solid var(--hd-line);border-radius:var(--r-lg)}.problem-tag[data-astro-cid-ulbz6mqn]{display:inline-block;font-size:var(--fs-xs);font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--hd-muted);margin-bottom:var(--sp-3)}.problem-card[data-astro-cid-ulbz6mqn] h3[data-astro-cid-ulbz6mqn]{margin-bottom:var(--sp-2)}.problem-card[data-astro-cid-ulbz6mqn] p[data-astro-cid-ulbz6mqn]{color:var(--hd-ink-2)}.problem-turn[data-astro-cid-ulbz6mqn]{margin-top:var(--sp-7);font-size:var(--fs-md);font-weight:700}.problem-turn[data-astro-cid-ulbz6mqn] span[data-astro-cid-ulbz6mqn]{color:var(--hd-primary)}@media(max-width:700px){.problem-grid[data-astro-cid-ulbz6mqn]{grid-template-columns:1fr}}.model-head[data-astro-cid-26zgcta4]{max-width:16ch;margin-inline:auto}.model-flow[data-astro-cid-26zgcta4]{display:grid;grid-template-columns:repeat(3,1fr) auto 1.15fr;align-items:stretch;gap:var(--sp-4);margin-top:var(--sp-8);text-align:left}.model-step[data-astro-cid-26zgcta4],.model-result[data-astro-cid-26zgcta4]{padding:var(--sp-5);background:#fff;border:1px solid var(--hd-line);border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}.model-result[data-astro-cid-26zgcta4]{background:var(--hd-primary);color:#fff;border-color:transparent;box-shadow:var(--shadow-brand)}.model-num[data-astro-cid-26zgcta4]{display:inline-block;font-weight:700;font-size:var(--fs-md);color:var(--hd-primary);margin-bottom:var(--sp-2)}.model-result[data-astro-cid-26zgcta4] .model-num[data-astro-cid-26zgcta4]{color:#ffffffd9}.model-step[data-astro-cid-26zgcta4] h3[data-astro-cid-26zgcta4],.model-result[data-astro-cid-26zgcta4] h3[data-astro-cid-26zgcta4]{margin-bottom:var(--sp-2)}.model-result[data-astro-cid-26zgcta4] h3[data-astro-cid-26zgcta4]{color:#fff}.model-step[data-astro-cid-26zgcta4] p[data-astro-cid-26zgcta4]{color:var(--hd-ink-2)}.model-result[data-astro-cid-26zgcta4] p[data-astro-cid-26zgcta4]{color:#ffffffeb}.model-arrow[data-astro-cid-26zgcta4]{display:flex;align-items:center;font-size:2rem;color:var(--hd-primary);font-weight:700}@media(max-width:900px){.model-flow[data-astro-cid-26zgcta4]{grid-template-columns:1fr 1fr}.model-arrow[data-astro-cid-26zgcta4]{display:none}.model-result[data-astro-cid-26zgcta4]{grid-column:1 / -1}}@media(max-width:540px){.model-flow[data-astro-cid-26zgcta4]{grid-template-columns:1fr}}.ac-grid[data-astro-cid-sf4zeq7z]{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-8);align-items:center}.ac-features[data-astro-cid-sf4zeq7z]{display:grid;gap:var(--sp-3);margin-top:var(--sp-5)}.ac-features[data-astro-cid-sf4zeq7z] li[data-astro-cid-sf4zeq7z]{display:flex;align-items:center;gap:var(--sp-3);font-weight:600;color:var(--hd-ink)}.ac-check[data-astro-cid-sf4zeq7z]{display:grid;place-items:center;width:26px;height:26px;background:var(--hd-primary-soft);color:var(--hd-primary);border-radius:var(--r-pill);font-size:.8rem;font-weight:800;flex-shrink:0}.ac-demo[data-astro-cid-sf4zeq7z]{display:flex;justify-content:center}.demo-card[data-astro-cid-sf4zeq7z]{width:100%;max-width:420px;background:#fff;border:1px solid var(--hd-line);border-radius:var(--r-lg);box-shadow:var(--shadow-lg);padding:var(--sp-5);transform:rotate(-1deg)}.demo-query[data-astro-cid-sf4zeq7z]{display:flex;align-items:center;gap:var(--sp-2);font-weight:700;font-size:var(--fs-base)}.demo-q-icon[data-astro-cid-sf4zeq7z]{color:var(--hd-muted)}.demo-verified[data-astro-cid-sf4zeq7z]{margin-top:var(--sp-2);font-size:var(--fs-xs);font-weight:700;color:var(--hd-primary)}.demo-answer[data-astro-cid-sf4zeq7z]{margin-top:var(--sp-4);font-size:var(--fs-sm);color:var(--hd-ink-2)}.demo-compare[data-astro-cid-sf4zeq7z]{margin-top:var(--sp-4);border:1px solid var(--hd-line);border-radius:var(--r-md);overflow:hidden}.demo-row[data-astro-cid-sf4zeq7z]{display:grid;grid-template-columns:1.4fr 1fr .7fr;gap:var(--sp-2);align-items:center;padding:.6rem .8rem;font-size:var(--fs-xs);font-weight:600}.demo-row[data-astro-cid-sf4zeq7z]:not(:last-child){border-bottom:1px solid var(--hd-line)}.demo-row-head[data-astro-cid-sf4zeq7z]{background:var(--hd-bg-soft);color:var(--hd-muted);text-transform:uppercase;letter-spacing:.04em}.bar[data-astro-cid-sf4zeq7z]{display:block;height:7px;width:var(--w);background:var(--hd-primary);border-radius:var(--r-pill)}.demo-foot[data-astro-cid-sf4zeq7z]{display:flex;justify-content:space-between;align-items:center;margin-top:var(--sp-4);padding-top:var(--sp-4);border-top:1px solid var(--hd-line);gap:var(--sp-3)}.demo-author[data-astro-cid-sf4zeq7z]{display:flex;align-items:center;gap:var(--sp-2)}.demo-avatar[data-astro-cid-sf4zeq7z]{display:grid;place-items:center;width:36px;height:36px;border-radius:var(--r-pill);background:var(--hd-primary);color:#fff;font-size:var(--fs-xs);font-weight:800;flex-shrink:0}.demo-author[data-astro-cid-sf4zeq7z] strong[data-astro-cid-sf4zeq7z]{display:block;font-size:var(--fs-xs)}.demo-author[data-astro-cid-sf4zeq7z] span[data-astro-cid-sf4zeq7z]{font-size:.72rem;color:var(--hd-muted)}.demo-sources[data-astro-cid-sf4zeq7z]{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}.demo-sources[data-astro-cid-sf4zeq7z] span[data-astro-cid-sf4zeq7z]{font-size:.65rem;font-weight:700;padding:3px 7px;background:var(--hd-bg-soft);border-radius:var(--r-pill);color:var(--hd-ink-2)}@media(max-width:820px){.ac-grid[data-astro-cid-sf4zeq7z]{grid-template-columns:1fr;gap:var(--sp-7)}.demo-card[data-astro-cid-sf4zeq7z]{transform:none}}.trust-head[data-astro-cid-uf3kfrdu]{color:#fff;max-width:20ch;margin-inline:auto}.trust-lede[data-astro-cid-uf3kfrdu]{margin-top:var(--sp-3);font-size:var(--fs-md);color:#aab2bd;max-width:56ch}.trust-grid[data-astro-cid-uf3kfrdu]{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);margin-top:var(--sp-8);text-align:left}.trust-card[data-astro-cid-uf3kfrdu]{padding:var(--sp-6);background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:var(--r-lg)}.trust-card[data-astro-cid-uf3kfrdu] h3[data-astro-cid-uf3kfrdu]{color:#fff;margin-bottom:var(--sp-3);position:relative;padding-left:var(--sp-4)}.trust-card[data-astro-cid-uf3kfrdu] h3[data-astro-cid-uf3kfrdu]:before{content:"";position:absolute;left:0;top:.1em;bottom:.1em;width:4px;border-radius:var(--r-pill);background:var(--hd-primary)}.trust-card[data-astro-cid-uf3kfrdu] p[data-astro-cid-uf3kfrdu]{color:#aab2bd;font-size:var(--fs-sm)}@media(max-width:820px){.trust-grid[data-astro-cid-uf3kfrdu]{grid-template-columns:1fr}}.vert-grid[data-astro-cid-kjqy7aox]{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-4);margin-top:var(--sp-8)}.vert-tile[data-astro-cid-kjqy7aox]{display:flex;flex-direction:column;align-items:flex-start;gap:var(--sp-1);padding:var(--sp-5);background:#fff;border:1px solid var(--hd-line);border-radius:var(--r-lg);text-align:left;transition:transform .15s ease,box-shadow .15s ease,border-color .15s ease}.vert-tile[data-astro-cid-kjqy7aox]:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--hd-primary-tint)}.vert-emoji[data-astro-cid-kjqy7aox]{font-size:1.6rem}.vert-label[data-astro-cid-kjqy7aox]{font-weight:700;font-size:var(--fs-base);margin-top:var(--sp-2)}.vert-q[data-astro-cid-kjqy7aox]{font-size:var(--fs-sm);color:var(--hd-muted);font-weight:500}@media(max-width:820px){.vert-grid[data-astro-cid-kjqy7aox]{grid-template-columns:1fr 1fr}}@media(max-width:460px){.vert-grid[data-astro-cid-kjqy7aox]{grid-template-columns:1fr}}.plat-head[data-astro-cid-ft2db3kj]{max-width:18ch;margin-inline:auto}.plat-grid[data-astro-cid-ft2db3kj]{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-5);margin-top:var(--sp-8);text-align:left}.plat-card[data-astro-cid-ft2db3kj]{display:flex;flex-direction:column;padding:var(--sp-6);background:var(--hd-bg-soft);border:1px solid var(--hd-line);border-radius:var(--r-lg);transition:transform .15s ease,box-shadow .15s ease}.plat-card[data-astro-cid-ft2db3kj]:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}.plat-card[data-astro-cid-ft2db3kj] h3[data-astro-cid-ft2db3kj]{margin-bottom:var(--sp-3)}.plat-card[data-astro-cid-ft2db3kj] p[data-astro-cid-ft2db3kj]{color:var(--hd-ink-2);font-size:var(--fs-sm);flex:1}.plat-link[data-astro-cid-ft2db3kj]{margin-top:var(--sp-5);font-weight:700;color:var(--hd-primary);display:inline-flex;align-items:center;gap:6px;transition:gap .15s ease}.plat-card[data-astro-cid-ft2db3kj]:hover .plat-link[data-astro-cid-ft2db3kj]{gap:12px}@media(max-width:820px){.plat-grid[data-astro-cid-ft2db3kj]{grid-template-columns:1fr}}.app-cta[data-astro-cid-p472tcek]{position:relative;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-7);overflow:hidden;background:linear-gradient(135deg,var(--hd-primary) 0%,#d9472a 100%);border-radius:var(--r-xl);padding:var(--sp-9) var(--sp-8);color:#fff}.app-glow[data-astro-cid-p472tcek]{position:absolute;top:-40%;right:-10%;width:460px;aspect-ratio:1;background:radial-gradient(circle,#ffffff38,#fff0 65%);pointer-events:none}.app-content[data-astro-cid-p472tcek]{position:relative;max-width:38rem}.app-content[data-astro-cid-p472tcek] h2[data-astro-cid-p472tcek]{color:#fff;max-width:16ch}.app-sub[data-astro-cid-p472tcek]{margin-top:var(--sp-3);font-size:var(--fs-md);color:#ffffffeb;max-width:44ch}.app-buttons[data-astro-cid-p472tcek]{display:flex;flex-wrap:wrap;gap:var(--sp-3);margin-top:var(--sp-6)}.app-btn[data-astro-cid-p472tcek]{display:flex;flex-direction:column;line-height:1.2;padding:.7rem 1.4rem;background:#fff;color:var(--hd-ink);border-radius:var(--r-md);font-weight:700;transition:transform .15s ease,box-shadow .15s ease}.app-btn[data-astro-cid-p472tcek]:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.app-btn-sub[data-astro-cid-p472tcek]{font-size:.7rem;font-weight:600;color:var(--hd-muted);text-transform:uppercase;letter-spacing:.04em}.app-btn-label[data-astro-cid-p472tcek]{font-size:var(--fs-base)}.app-icon[data-astro-cid-p472tcek]{position:relative;border-radius:var(--r-xl);box-shadow:var(--shadow-lg);flex-shrink:0}@media(max-width:820px){.app-cta[data-astro-cid-p472tcek]{flex-direction:column-reverse;text-align:center;padding:var(--sp-7) var(--sp-5)}.app-buttons[data-astro-cid-p472tcek]{justify-content:center}.app-content[data-astro-cid-p472tcek] h2[data-astro-cid-p472tcek],.app-sub[data-astro-cid-p472tcek]{margin-inline:auto}}