:root{color-scheme:light;--ink:#12263f;--muted:#4e6179;--blue:#1858b6;--line:#d7e0ec;--paper:#fff;--bg:#f3f6fa}*{box-sizing:border-box}html{font-family:system-ui,-apple-system,"Segoe UI","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.8;background:var(--bg);color:var(--ink)}body{margin:0}a{color:var(--blue);text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #eca72c;outline-offset:5px}.shell{max-width:1080px;margin:auto;padding:0 28px}.skip{position:absolute;left:12px;top:-100px;background:#fff;padding:8px;z-index:2}.skip:focus{top:12px}header{background:var(--paper);border-bottom:1px solid var(--line)}header .shell{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-top:20px;padding-bottom:20px}.brand{font-size:1.3rem;font-weight:760;letter-spacing:-.03em;color:var(--ink);text-decoration:none}nav{display:flex;gap:24px;flex-wrap:wrap;font-size:.94rem}nav a{color:var(--muted);text-decoration:none}nav a[aria-current=page]{color:var(--blue);font-weight:650}main{padding-top:58px!important;padding-bottom:64px!important}h1,h2,h3{line-height:1.35;letter-spacing:-.025em}h1{font-size:clamp(2rem,5vw,3.2rem);margin:0 0 20px}h2{font-size:1.4rem;margin:34px 0 10px}h3{font-size:1.08rem;margin:0 0 10px}p{margin:0 0 18px}.eyebrow{font-size:.86rem;font-weight:680;color:var(--blue);letter-spacing:.08em;margin-bottom:15px}.intro{font-size:1.15rem;color:var(--muted);max-width:760px}.hero{border-left:5px solid var(--blue);padding:8px 0 8px 26px;max-width:870px}.features{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:40px 0}.feature{background:var(--paper);padding:25px;border:1px solid var(--line);border-radius:8px}.feature .number{color:var(--blue);font-size:.9rem;display:block;margin-bottom:18px;font-variant-numeric:tabular-nums}.feature p{color:var(--muted);margin:0}.note{border-top:1px solid var(--line);padding-top:24px;max-width:860px}.legal{max-width:850px}.legal h1{font-size:2.35rem}.meta{font-size:.9rem;color:var(--muted)}.legal ul{padding-left:1.4rem}.legal li{margin:8px 0}.contact{overflow-wrap:anywhere}footer{border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:.9rem}footer .shell{display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap;padding-top:22px;padding-bottom:22px}footer a{color:var(--muted)}@media(max-width:700px){.shell{padding:0 20px}header .shell{align-items:flex-start;flex-direction:column;gap:8px}nav{gap:18px}main{padding-top:36px!important;padding-bottom:42px!important}.hero{padding-left:18px}.features{grid-template-columns:1fr;gap:12px;margin:30px 0}.feature{padding:20px}.feature .number{margin-bottom:8px}.legal h1{font-size:2rem}footer .shell{flex-direction:column;gap:8px}}