:root{--blue:#006fb2;--blue-deep:#00558a;--blue-tint:#e8f2fa;--red:#e43c2f;--red-deep:#c42d21;--red-tint:#fdecea;--ink:#17212b;--mid:#4f5b67;--soft:#8a95a1;--line:#e3e8ee;--paper:#f5f7fa;--card:#fff;--radius:14px;--shadow:0 1px 2px #17212b0f, 0 4px 16px #17212b0f;color-scheme:light}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{color:var(--ink);background:var(--card);margin:0;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.65}img{max-width:100%;height:auto;display:block}a{color:var(--blue);text-underline-offset:3px;text-decoration-thickness:1px}h1,h2,h3{letter-spacing:-.01em;margin:0 0 .5em;line-height:1.25}h1{font-size:clamp(1.9rem,4.5vw,3rem)}h2{font-size:clamp(1.4rem,3vw,2rem)}h3{font-size:1.1rem}p{margin:0 0 1em}.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}@media (width>=720px){.wrap{padding:0 28px}}.muted{color:var(--mid)}.small{font-size:.875rem}.label{letter-spacing:.06em;text-transform:uppercase;color:var(--soft);margin-bottom:.5em;font-size:.8rem;font-weight:600}.section{padding:56px 0}.section.alt{background:var(--paper)}.section-head{flex-wrap:wrap;justify-content:space-between;align-items:end;gap:16px;margin-bottom:24px;display:flex}.section-head h2{margin:0}.page-head{background:var(--paper);border-bottom:1px solid var(--line);padding:48px 0 32px}.page-head p{max-width:640px;color:var(--mid);margin:0}.btn{background:var(--red);color:#fff;border:2px solid var(--red);border-radius:999px;justify-content:center;align-items:center;gap:8px;min-height:48px;padding:12px 22px;font-weight:600;text-decoration:none;transition:background .15s,border-color .15s;display:inline-flex}.btn:hover{background:var(--red-deep);border-color:var(--red-deep)}.btn.ghost{color:var(--blue);border-color:var(--blue);background:0 0}.btn.ghost:hover{background:var(--blue-tint)}.btn.blue{background:var(--blue);border-color:var(--blue)}.btn.blue:hover{background:var(--blue-deep);border-color:var(--blue-deep)}.tag{background:var(--blue-tint);color:var(--blue-deep);white-space:nowrap;border-radius:999px;padding:2px 8px;font-size:.75rem;font-weight:600;display:inline-block}.tag.red{background:var(--red-tint);color:var(--red-deep)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.skip{background:var(--ink);color:#fff;z-index:100;border-radius:6px;padding:8px 12px;position:absolute;top:8px;left:-999px}.skip:focus{left:8px}:focus-visible{outline:3px solid var(--blue);outline-offset:2px}.site-header{z-index:50;backdrop-filter:blur(8px);border-bottom:1px solid var(--line);background:#fffffff0;position:sticky;top:0}.bar{align-items:center;gap:24px;height:68px;display:flex}.brand img{width:130px}.nav{gap:4px;margin-left:auto;display:none}.nav a,.mobile-menu nav a{color:var(--ink);white-space:nowrap;border-radius:8px;padding:8px 10px;font-weight:500;text-decoration:none}.nav a:hover{background:var(--paper)}.nav a[aria-current=page]{color:var(--red)}.lang{border:1px solid var(--line);color:var(--mid);border-radius:999px;padding:6px 12px;font-size:.9rem;font-weight:600;text-decoration:none;display:none}.lang:hover{border-color:var(--blue);color:var(--blue)}.mobile-menu{margin-left:auto}.site-header.focus .bar{justify-content:space-between;height:60px}.site-header.focus .brand img{width:116px}.site-header.focus .lang{display:inline-block}.focus-footer{color:var(--soft);text-align:center;padding:24px 0 32px}.focus-footer a{color:inherit}.mobile-menu summary{cursor:pointer;border-radius:8px;place-content:center;gap:5px;width:44px;height:44px;list-style:none;display:grid}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu summary span{background:var(--ink);border-radius:2px;width:22px;height:2px;display:block}.mobile-menu nav{border-bottom:1px solid var(--line);box-shadow:var(--shadow);background:#fff;padding:8px 16px 16px;display:grid;position:absolute;top:68px;left:0;right:0}.mobile-menu nav a{border-bottom:1px solid var(--line);padding:12px 8px}.mobile-menu nav a[aria-current=page]{color:var(--red)}@media (width>=960px){.nav,.lang{display:flex}.mobile-menu{display:none}.brand img{width:150px}}.env-bar{color:#6b4e00;text-align:center;background:#fff4d6;border-bottom:1px solid #f0dc9c;flex-wrap:wrap;justify-content:center;gap:16px;padding:6px 16px;font-size:.8rem;display:flex}.notice-bar{background:var(--red);color:#fff;font-size:.9rem;font-weight:500}.notice-bar .wrap{text-align:center;padding-block:9px}.notice-bar a{color:#fff;text-decoration:none}.notice-bar a:hover{text-decoration:underline}.ver{opacity:.6}.site-footer{background:var(--ink);color:#c9d2db;margin-top:0;padding:48px 0 24px}.site-footer a{color:#fff;text-decoration:none}.site-footer a:hover{text-decoration:underline}.site-footer .muted,.site-footer .label{color:#9aa6b2}.site-footer .cols{gap:32px;display:grid}.site-footer nav{align-content:start;gap:8px;display:grid}.foot-logo{background:#fff;border-radius:8px;margin-bottom:12px;padding:8px 10px}.social{gap:8px;margin:0;padding:0;list-style:none;display:grid}.legal{border-top:1px solid #2c3845;margin-top:32px;padding-top:16px}@media (width>=720px){.site-footer .cols{grid-template-columns:2fr 1fr 1fr}}