:root{--color-navy:#17242f;--color-navy-soft:#1f3241;--color-ink:#243746;--color-text:#3b4a58;--color-muted:#6b7a88;--color-light:#f3f6f9;--color-border:#d6dde4;--color-accent:#d05d4b;--color-accent-dark:#b54333;--color-sidebar:#fff;--color-shadow:rgba(15,27,38,.08);--radius-xl:20px;--radius-lg:16px;--radius-md:12px;--max-width:1200px}*,:after,:before{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Segoe UI,Helvetica Neue,Arial,sans-serif;background-color:var(--color-light);color:var(--color-text);line-height:1.7;overflow-x:hidden}a{color:var(--color-ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}a:focus,a:hover{color:var(--color-accent)}.container{max-width:var(--max-width);margin:0 auto;padding:0 clamp(1.5rem,6vw,3.5rem)}.site-header{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background-color:hsla(0,0%,100%,.92);border-bottom:1px solid var(--color-border);position:-webkit-sticky;position:sticky;top:0;z-index:1000}.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;border:1px solid var(--color-border);border-radius:12px;background:#fff;cursor:pointer;padding:8px 10px;transition:background-color .2s ease,border-color .2s ease}.nav-toggle span{display:block;height:2px;background:var(--color-ink);border-radius:999px;transition:transform .2s ease,opacity .2s ease}.nav-toggle.is-open span:first-child{transform:translateY(7px) rotate(45deg)}.nav-toggle.is-open span:nth-child(2){opacity:0}.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.site-nav{display:none;position:absolute;top:calc(100% + .5rem);right:clamp(1.5rem,6vw,3.5rem);background:#fff;border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:0 16px 30px -20px rgba(23,36,47,.45),0 6px 20px rgba(23,36,47,.08);padding:.75rem;width:min(90vw,360px);z-index:1001}.site-nav.is-open{display:block}.site-nav ul{list-style:none;margin:0;padding:0;display:grid;grid-gap:.35rem;gap:.35rem}.site-nav a{display:block;padding:.45rem .75rem;border-radius:10px}.site-nav a:focus,.site-nav a:hover{background:var(--color-light)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.25rem 0;position:relative}.logo{display:inline-flex;align-items:center;gap:.75rem;font-weight:700;font-size:1.05rem;letter-spacing:.08em;text-transform:uppercase;color:var(--color-ink)}.logo img{height:44px;width:auto;display:block}.hero{background:linear-gradient(135deg,var(--color-navy-soft),var(--color-ink));color:#fff;padding:5.5rem 0 4.5rem;margin-bottom:2.5rem;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,hsla(0,0%,100%,.18),transparent 42%);pointer-events:none}.hero .container{position:relative;z-index:1}.hero h1{margin:0;font-size:clamp(2.5rem,5vw,3.4rem);letter-spacing:-.02em;line-height:1.1}.hero p{max-width:640px;margin:1.25rem 0 0;color:hsla(0,0%,100%,.85);font-size:1.1rem}main.content{display:flex;gap:2.25rem;align-items:flex-start;max-width:var(--max-width);margin:0 auto;padding:0 clamp(1.5rem,6vw,3rem) clamp(3rem,8vw,5rem)}.article{flex:3 1;background:#fff;border-radius:var(--radius-xl);box-shadow:0 18px 34px -32px rgba(23,36,47,.45),0 6px 24px var(--color-shadow);padding:clamp(1.75rem,2.5vw,3rem)}.article h1{margin-top:0;margin-bottom:1.25rem;font-size:clamp(2.5rem,5vw,3.4rem);color:var(--color-navy);letter-spacing:-.02em;line-height:1.1}.article h2{margin-top:2.5rem;margin-bottom:1rem;font-size:1.75rem;color:var(--color-navy-soft)}.article h3{margin-top:2rem;margin-bottom:.75rem;font-size:1.35rem;color:var(--color-ink)}.article p{margin:1.1rem 0;color:var(--color-text)}.article ol,.article ul{padding-left:1.4rem;margin:1.25rem 0}.article li{margin:.5rem 0}.article blockquote{margin:2rem 0;padding:1.25rem 1.75rem;background-color:var(--color-light);border-left:4px solid var(--color-accent);border-radius:0 var(--radius-md) var(--radius-md) 0;color:var(--color-ink);font-weight:500}.article table{width:100%;border-collapse:collapse;margin:2rem 0;font-size:.95rem;background-color:#fff;border-radius:var(--radius-md);box-shadow:0 8px 24px -22px rgba(23,36,47,.55);border:1px solid rgba(23,36,47,.05)}.article table td,.article table th{border:1px solid var(--color-border);padding:.8rem 1rem;text-align:left;word-break:normal;white-space:nowrap}.article table thead{background-color:var(--color-light)}.sidebar{display:none}.sidebar-card{background-color:var(--color-sidebar);border-radius:var(--radius-lg);box-shadow:0 16px 40px -32px rgba(23,36,47,.45),0 0 0 1px rgba(23,36,47,.04);padding:clamp(1.5rem,2vw,2.25rem)}.sidebar-card h2{margin-top:0;margin-bottom:1.25rem;font-size:1.35rem;color:var(--color-navy)}.sidebar-card ul{list-style:none;margin:0;padding:0;display:grid;grid-gap:.85rem;gap:.85rem}.sidebar-card li{line-height:1.4}.sidebar-card li.current a{color:var(--color-accent);font-weight:600}.sidebar-card a{display:inline-block;padding:.1rem 0}.site-footer{background-color:var(--color-navy);color:hsla(0,0%,100%,.86);padding:3.5rem 0 2.5rem;margin-top:3rem}.footer-grid{display:grid;grid-gap:1.75rem;gap:1.75rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.site-footer h3{margin-top:0;color:#fff;letter-spacing:.04em;text-transform:uppercase;font-size:.95rem}.site-footer ul{list-style:none;padding:0;margin:0;display:grid;grid-gap:.65rem;gap:.65rem}.site-footer a{color:hsla(0,0%,100%,.82)}.site-footer a:focus,.site-footer a:hover{color:#fff}.footer-bottom{margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid hsla(0,0%,100%,.12);text-align:center;font-size:.9rem;color:hsla(0,0%,100%,.6)}.faq{margin:clamp(2.5rem,6vw,4rem) auto clamp(3rem,7vw,4.5rem);padding:clamp(1.5rem,4vw,2.5rem);background:#fff;max-width:var(--max-width);border-radius:var(--radius-xl);box-shadow:0 18px 34px -32px rgba(23,36,47,.4),0 6px 20px var(--color-shadow);border:1px solid rgba(23,36,47,.05)}.faq-header h2{margin:0 0 .35rem;color:var(--color-navy);letter-spacing:-.01em}.faq-header p{margin:0 0 1.5rem;color:var(--color-muted)}.faq-grid{display:grid;grid-gap:1.25rem;gap:1.25rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}.faq-item{padding:1rem;border-radius:var(--radius-lg);background:var(--color-light);border:1px solid rgba(23,36,47,.06)}.faq-item h3{margin:0 0 .35rem;font-size:1.05rem;color:var(--color-ink)}.faq-item p{margin:0;color:var(--color-text)}.not-found{padding:clamp(3rem,6vw,5rem) 0}.not-found h1{margin-bottom:.75rem}.not-found .cta{display:inline-block;margin-top:1rem;padding:.75rem 1.25rem;border-radius:var(--radius-md);background:var(--color-ink);color:#fff;font-weight:600}.not-found .cta:hover{background:var(--color-navy-soft);color:#fff}@media (max-width:1024px){.header-inner{flex-direction:column;align-items:flex-start}.sidebar{position:static;width:100%}}@media (max-width:860px){main.content{flex-direction:column;gap:1.75rem;padding:0 clamp(1.5rem,7vw,2.5rem) 3.5rem}.article{box-shadow:0 12px 24px -20px rgba(23,36,47,.4),0 4px 16px var(--color-shadow)}.site-nav{right:clamp(1rem,6vw,2rem)}}@media (max-width:720px){.site-header{border-bottom:1px solid rgba(214,221,228,.6)}.header-inner{padding:1rem 0;gap:1rem}.logo{gap:.5rem;font-size:.95rem}.sidebar{max-width:100%}.sidebar-card ul{gap:.75rem}.hero{padding:3.25rem 0 2.75rem}.hero h1{font-size:clamp(2.1rem,7vw,2.6rem)}.hero p{font-size:1rem;margin-top:.9rem}main.content{padding:0 clamp(1.1rem,6vw,1.75rem) 2.5rem;gap:1.4rem}.article{padding:clamp(1.4rem,6vw,2rem);border-radius:var(--radius-lg)}.article h1{font-size:clamp(2.1rem,7vw,2.8rem)}.article h2{font-size:clamp(1.5rem,5.5vw,1.8rem)}.site-nav{width:min(94vw,360px)}.sidebar-card{padding:clamp(1.2rem,5vw,1.75rem);border-radius:var(--radius-lg);margin-top:1.5rem}.sidebar-card h2{font-size:1.2rem}.article table{display:block;max-width:100%;overflow-x:auto;border-spacing:0;border-radius:var(--radius-lg);box-shadow:0 12px 26px -22px rgba(23,36,47,.55);-webkit-overflow-scrolling:touch;mask-image:linear-gradient(90deg,transparent 0,rgba(0,0,0,.85) 18px,rgba(0,0,0,.85) calc(100% - 48px),transparent);-webkit-mask-image:linear-gradient(90deg,transparent 0,rgba(0,0,0,.85) 18px,rgba(0,0,0,.85) calc(100% - 48px),transparent);padding-bottom:.5rem}.article table td,.article table th{min-width:9rem;white-space:nowrap}.article table::-webkit-scrollbar{height:.45rem}.article table::-webkit-scrollbar-thumb{background:rgba(36,55,70,.2);border-radius:999px}.article table::-webkit-scrollbar-track{background:rgba(36,55,70,.08)}}@media (max-width:600px){.container{padding:0 1rem}main.content{padding:0 1rem 3rem}.article{padding:clamp(1.2rem,6vw,1.65rem)}.sidebar-card{padding:clamp(1.1rem,6vw,1.5rem)}.article table td,.article table th{white-space:normal;min-width:auto}}@media (max-width:480px){body{font-size:.95rem}.site-header{-webkit-backdrop-filter:none;backdrop-filter:none;background-color:hsla(0,0%,100%,.98)}.logo span{font-size:.82rem;letter-spacing:.06em}main.content{padding-bottom:2.75rem}.article{box-shadow:0 10px 24px -20px rgba(23,36,47,.4),0 4px 14px var(--color-shadow)}.article,.sidebar-card{border-radius:var(--radius-md)}.sidebar-card h2{font-size:1.1rem}.site-footer{padding:2.75rem 0 2rem}.footer-grid{gap:1.25rem}}