.hd[data-astro-cid-3ef6ksr2]{position:sticky;top:0;z-index:20;background:#ffffffc7;backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid rgba(0,0,0,.08)}.hd-in[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:1.6rem;height:52px}.brand[data-astro-cid-3ef6ksr2]{display:flex;align-items:center;gap:.5rem;color:var(--ink)}.brand[data-astro-cid-3ef6ksr2] img[data-astro-cid-3ef6ksr2]{display:block}.brand-sub[data-astro-cid-3ef6ksr2]{font-size:.8rem;color:var(--gray-text)}.nav[data-astro-cid-3ef6ksr2]{margin-left:auto;display:flex;gap:1.7rem;align-items:center}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{color:#000c;font-size:.86rem;letter-spacing:0}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]:hover{color:#000}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2][aria-current=page]{color:#000;font-weight:500}.lang[data-astro-cid-3ef6ksr2]{font-size:.86rem;color:var(--gray-text)!important}@media(max-width:900px){.hd-in[data-astro-cid-3ef6ksr2]{height:auto;min-height:52px;flex-wrap:wrap;padding:.55rem 0;gap:.35rem 1rem}.brand-sub[data-astro-cid-3ef6ksr2]{display:none}.nav[data-astro-cid-3ef6ksr2]{margin-left:0;width:100%;gap:.3rem 1.15rem;flex-wrap:wrap}.nav[data-astro-cid-3ef6ksr2] a[data-astro-cid-3ef6ksr2]{font-size:.82rem}}.ft[data-astro-cid-sz7xmlte]{background:var(--gray-bg);padding:3.2rem 0 2.6rem;font-size:.82rem;color:var(--gray-text)}.ft-in[data-astro-cid-sz7xmlte]{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap}.links[data-astro-cid-sz7xmlte]{display:flex;gap:1.6rem;flex-wrap:wrap}.links[data-astro-cid-sz7xmlte] a[data-astro-cid-sz7xmlte]{color:#000000b8}.legal[data-astro-cid-sz7xmlte],.cr[data-astro-cid-sz7xmlte]{margin:0;line-height:1.7}.cr[data-astro-cid-sz7xmlte]{margin-top:.6rem;color:#86868b}:root{--white: #ffffff;--gray-bg: #f5f5f7;--gray-line: #d2d2d7;--gray-text: #6e6e73;--ink: #1d1d1f;--black: #000000;--accent: #0a84ff;--accent-hover: #0071e3;--copper: #c0702f;--maxw: 1180px;--radius: 20px;--radius-lg: 28px;--sans: -apple-system, BlinkMacSystemFont, "SF Pro SC", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.5;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}h1,h2,h3{margin:0 0 .5em;font-weight:600;letter-spacing:-.03em;line-height:1.08}h1{font-size:clamp(2.6rem,6vw,4.5rem)}h2{font-size:clamp(1.8rem,3.6vw,3rem)}h3{font-size:1.35rem;letter-spacing:-.02em}p{margin:0 0 1em}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.kicker{font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;color:var(--gray-text);font-weight:600;margin-bottom:1em}.lede{font-size:clamp(1.05rem,1.6vw,1.4rem);color:var(--gray-text);max-width:44em;line-height:1.45}section{padding:5.5rem 0}section.tone-gray{background:var(--gray-bg)}section.tone-dark{background:var(--black);color:var(--white)}section.tone-dark h1,section.tone-dark h2,section.tone-dark h3{color:var(--white)}section.tone-dark .lede,section.tone-dark .kicker{color:#a1a1a6}section.tone-dark a{color:#6cb6ff}.wrap.center{text-align:center}.wrap.center .lede{margin-left:auto;margin-right:auto}.btn{display:inline-block;padding:.72rem 1.5rem;border-radius:980px;background:var(--accent);color:#fff;font-weight:500;font-size:1rem;border:1px solid transparent;transition:background .2s ease,transform .2s ease}.btn:hover{background:var(--accent-hover);text-decoration:none;transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--accent);border-color:var(--accent)}.btn-ghost:hover{background:var(--accent);color:#fff}.btn-dark{background:var(--ink)}.btn-dark:hover{background:#000}section.tone-dark .btn{background:#fff;color:#000}section.tone-dark .btn:hover{background:#e8e8ed}.nums{display:grid;gap:2.5rem 2rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.num .v{font-size:clamp(2rem,3.4vw,3rem);font-weight:600;letter-spacing:-.04em}.num .l{color:var(--gray-text);font-size:.95rem;margin-top:.2em}section.tone-dark .num .l{color:#a1a1a6}.grid{display:grid;gap:1.2rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.card{background:var(--white);border-radius:var(--radius);padding:2rem;border:1px solid var(--gray-line)}section.tone-gray .card{background:var(--white)}section.tone-dark .card{background:#1d1d1f;border-color:#333}.card h3{margin-top:0}.card p:last-child{margin-bottom:0}.card .tag{font-size:.78rem;color:var(--gray-text);letter-spacing:.04em}.shot{background:var(--gray-bg);border-radius:var(--radius-lg);padding:2rem;display:flex;align-items:center;justify-content:center;min-height:220px}.shot img{max-width:100%;max-height:260px;border-radius:10px}.note{font-size:.88rem;color:var(--gray-text);border-left:3px solid var(--copper);padding-left:.9rem}@media(max-width:700px){body{font-size:16px}section{padding:3.6rem 0}.card{padding:1.5rem}}