:root{--sp-blue:#dceff5;--sp-deep:#1f6074;--sp-ink:#111820;--sp-muted:#62747b;--sp-paper:#f8f6f1;--sp-line:#d9e4e7;--sp-gold:#b58a43;--sp-white:#fff}
*{box-sizing:border-box}body{margin:0;background:var(--sp-paper);color:var(--sp-ink);font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.75}a{color:inherit;text-decoration:none}.sp-shell{width:min(1180px,calc(100% - 40px));margin:auto}.sp-header{position:sticky;top:0;z-index:10;background:rgba(248,246,241,.96);border-bottom:1px solid var(--sp-line);backdrop-filter:blur(12px)}.sp-header-inner{min-height:72px;display:flex;align-items:center;gap:26px}.sp-brand{font-weight:800;font-size:18px;white-space:nowrap;color:var(--sp-deep)}.sp-nav{display:flex;gap:18px;align-items:center;overflow-x:auto;white-space:nowrap;font-size:14px;scrollbar-width:none}.sp-nav::-webkit-scrollbar{display:none}.sp-nav a{padding:8px 0;border-bottom:2px solid transparent}.sp-nav a:hover,.sp-nav a[aria-current=page]{color:var(--sp-deep);border-color:var(--sp-gold)}.sp-hero{background:var(--sp-blue);padding:58px 0 50px;border-bottom:1px solid var(--sp-line)}.sp-kicker{color:var(--sp-gold);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.sp-hero-grid{display:grid;grid-template-columns:1fr 360px;gap:44px;align-items:center}.sp-hero h1{font-size:clamp(32px,5vw,56px);line-height:1.18;letter-spacing:-.04em;margin:12px 0 14px}.sp-hero p{max-width:720px;color:#45636d;margin:0;font-size:16px}.sp-hero-visual{min-height:230px;border-radius:20px;overflow:hidden;background:#c4dfe6}.sp-hero-visual img{width:100%;height:100%;min-height:230px;object-fit:cover;display:block}.sp-crumb{padding:18px 0;color:var(--sp-muted);font-size:13px}.sp-crumb a:hover{color:var(--sp-deep)}.sp-main{display:grid;grid-template-columns:minmax(0,820px) 250px;gap:44px;padding-bottom:72px}.sp-card{background:var(--sp-white);border:1px solid var(--sp-line);border-radius:18px;padding:34px 42px}.sp-body{font-size:17px;line-height:2;color:#33474f}.sp-body h2{font-size:25px;line-height:1.35;color:var(--sp-ink);margin:30px 0 10px}.sp-body h3{font-size:20px;color:var(--sp-ink);margin:24px 0 8px}.sp-body p{margin:0 0 17px}.sp-body ul,.sp-body ol{padding-left:24px}.sp-body li{margin:5px 0}.sp-body blockquote{margin:22px 0;padding:14px 18px;background:var(--sp-blue);border-left:3px solid var(--sp-gold)}.sp-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}.sp-body th,.sp-body td{border:1px solid var(--sp-line);padding:10px;text-align:left}.sp-side{position:sticky;top:96px;height:max-content}.sp-side-box{background:var(--sp-white);border:1px solid var(--sp-line);border-radius:15px;padding:20px}.sp-side-box h2{font-size:17px;margin:0 0 10px}.sp-side-box ul{list-style:none;padding:0;margin:0;display:grid;gap:8px;font-size:14px}.sp-side-box a:hover{color:var(--sp-deep)}.sp-note{margin-top:16px;padding:14px;background:var(--sp-blue);border-radius:12px;color:#45636d;font-size:13px}.sp-footer{border-top:1px solid var(--sp-line);padding:28px 0;color:var(--sp-muted);font-size:13px}.faq-schema{display:none}@media(max-width:860px){.sp-hero-grid,.sp-main{grid-template-columns:1fr}.sp-side{position:static}.sp-hero-visual{max-width:560px}.sp-card{padding:28px 24px}}@media(max-width:600px){.sp-shell{width:min(100% - 28px,1180px)}.sp-header-inner{min-height:64px;gap:16px}.sp-brand{font-size:16px}.sp-nav{gap:14px;font-size:13px}.sp-hero{padding:40px 0 34px}.sp-hero h1{font-size:36px}.sp-card{padding:24px 18px}.sp-body{font-size:16px}}