:root{--bg:#fff;--surface:#f8f9fc;--tint:#f6f3ff;--tint-blue:#f0f6ff;--line:#e6e4f2;--line-strong:#d6d1f0;--ink:#15142a;--text:#45465e;--muted:#5c5e76;--brand:#6a3df0;--brand-ink:#5228d6;--brand-2:#2f63e6;--traffic:#1c58cf;--grad:linear-gradient(120deg, #6a3df0 0%, #4a52eb 55%, #2f63e6 100%);--shadow-sm:0 1px 2px #1e16500d, 0 2px 8px #1e16500a;--shadow:0 2px 4px #1e16500a, 0 10px 28px #3c28a014;--radius:16px;--radius-sm:10px;--max:1200px;--gutter:clamp(16px, 4vw, 32px);--font:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;--mono:ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;color-scheme:light}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:84px}body{background:var(--bg);color:var(--text);font-family:var(--font);margin:0;font-size:16px;line-height:1.75;overflow-x:hidden}img,svg{max-width:100%;display:block}h1,h2,h3,h4{color:var(--ink);letter-spacing:.01em;margin:0;line-height:1.3}p{margin:0}a{color:var(--brand-ink);text-underline-offset:3px}a:hover{color:var(--brand-2)}:focus-visible{outline-offset:2px;border-radius:6px;outline:3px solid #8b6cff}.skip-link{z-index:100;background:var(--ink);color:#fff;border-radius:8px;padding:8px 14px;position:absolute;top:-60px;left:12px}.skip-link:focus{color:#fff;top:12px}.container{width:100%;max-width:calc(var(--max) + var(--gutter) * 2);padding:0 var(--gutter);margin:0 auto}.section{padding:clamp(56px,8vw,96px) 0}.section--soft{background:var(--surface)}.section-head{text-align:center;max-width:720px;margin:0 auto clamp(28px,4vw,44px)}.eyebrow{letter-spacing:.08em;color:var(--brand);background:var(--tint);border:1px solid #e7defe;border-radius:999px;margin-bottom:14px;padding:3px 12px;font-size:13px;font-weight:600;display:inline-block}.section-head h2{margin-bottom:12px;font-size:clamp(26px,3.4vw,36px)}.section-head p{color:var(--muted)}.btn{cursor:pointer;white-space:nowrap;border:1px solid #0000;border-radius:12px;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:10px 22px;font-size:16px;font-weight:600;text-decoration:none;transition:transform .15s,box-shadow .15s,background-color .15s;display:inline-flex}.btn--primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px #4a46eb40}.btn--primary:hover{color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px #4a46eb4d}.btn--ghost{color:var(--brand-ink);border-color:var(--line-strong);background:#fff}.btn--ghost:hover{background:var(--tint);color:var(--brand-ink)}.btn--sm{min-height:40px;padding:6px 16px;font-size:15px}.btn--block{width:100%}.ext-icon{flex:none;width:14px;height:14px}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;overflow:hidden;position:absolute!important}.card{border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);background:#fff}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}.site-header[data-astro-cid-nen7h5rs]{z-index:50;backdrop-filter:saturate(160%)blur(10px);border-bottom:1px solid var(--line);background:#ffffffeb;position:sticky;top:0}.header-inner[data-astro-cid-nen7h5rs]{align-items:center;gap:24px;height:68px;display:flex}.brand[data-astro-cid-nen7h5rs]{color:var(--ink);flex:none;align-items:center;gap:10px;font-size:20px;font-weight:700;text-decoration:none;display:inline-flex}.main-nav[data-astro-cid-nen7h5rs]{margin-left:auto}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{gap:4px;margin:0;padding:0;list-style:none;display:flex}.main-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{min-height:40px;color:var(--text);border-radius:10px;align-items:center;padding:0 14px;font-size:15px;text-decoration:none;display:inline-flex}.main-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]:hover,.main-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs][aria-current=page]{color:var(--brand-ink);background:var(--tint)}.nav-cta-mobile[data-astro-cid-nen7h5rs]{display:none}.header-actions[data-astro-cid-nen7h5rs]{align-items:center;gap:8px;display:flex}.menu-toggle[data-astro-cid-nen7h5rs]{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;display:none}.bars[data-astro-cid-nen7h5rs]{gap:4px;display:grid}.bars[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]{background:var(--ink);border-radius:2px;width:18px;height:2px;transition:transform .2s,opacity .2s;display:block}.menu-toggle[data-astro-cid-nen7h5rs][aria-expanded=true] .bars[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]:first-child{transform:translateY(6px)rotate(45deg)}.menu-toggle[data-astro-cid-nen7h5rs][aria-expanded=true] .bars[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]:nth-child(2){opacity:0}.menu-toggle[data-astro-cid-nen7h5rs][aria-expanded=true] .bars[data-astro-cid-nen7h5rs] span[data-astro-cid-nen7h5rs]:nth-child(3){transform:translateY(-6px)rotate(-45deg)}@media (width<=959px){.header-inner[data-astro-cid-nen7h5rs]{justify-content:space-between;height:62px}.menu-toggle[data-astro-cid-nen7h5rs]{display:inline-flex}.main-nav[data-astro-cid-nen7h5rs]{border-bottom:1px solid var(--line);padding:8px var(--gutter) 18px;background:#fff;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 12px 24px #1e165014}.main-nav[data-astro-cid-nen7h5rs].is-open{display:block}.main-nav[data-astro-cid-nen7h5rs] ul[data-astro-cid-nen7h5rs]{flex-direction:column;gap:2px}.main-nav[data-astro-cid-nen7h5rs] a[data-astro-cid-nen7h5rs]{width:100%;min-height:48px;font-size:16px}.nav-cta-mobile[data-astro-cid-nen7h5rs]{margin-top:10px;display:block}}@media (width<=400px){.header-actions[data-astro-cid-nen7h5rs] .header-cta{display:none}}.site-footer[data-astro-cid-jo6i4kqk]{background:var(--surface);border-top:1px solid var(--line);color:var(--muted);padding:56px 0 28px;font-size:14px}.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1.6fr 1fr 1fr;gap:32px;display:grid}.brand[data-astro-cid-jo6i4kqk]{color:var(--ink);align-items:center;gap:10px;margin-bottom:12px;font-size:18px;font-weight:700;text-decoration:none;display:inline-flex}.footer-brand[data-astro-cid-jo6i4kqk] p[data-astro-cid-jo6i4kqk]{max-width:340px;margin-bottom:16px}.footer-col[data-astro-cid-jo6i4kqk] h2[data-astro-cid-jo6i4kqk]{margin-bottom:12px;font-size:15px}.footer-col[data-astro-cid-jo6i4kqk] ul[data-astro-cid-jo6i4kqk]{gap:2px;margin:0;padding:0;list-style:none;display:grid}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]{color:var(--text);padding:5px 0;text-decoration:none;display:inline-block}.footer-col[data-astro-cid-jo6i4kqk] a[data-astro-cid-jo6i4kqk]:hover{color:var(--brand-ink);text-decoration:underline}.footer-bottom[data-astro-cid-jo6i4kqk]{border-top:1px solid var(--line);gap:6px;margin-top:40px;padding-top:20px;font-size:13px;display:grid}@media (width<=899px){.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr 1fr}.footer-brand[data-astro-cid-jo6i4kqk]{grid-column:1/-1}}@media (width<=420px){.footer-grid[data-astro-cid-jo6i4kqk]{grid-template-columns:1fr}}