#home-shell { --brand: #2456c7; --soft: #edf3ff; --ink: #17243b; --muted: #536278; --line: #d6deea; --navy: #14253f; }
#home-shell, #home-shell * { box-sizing: border-box; }
#home-shell { margin: 0px; color: var(--ink); background: rgb(255, 255, 255); font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.6; }
#home-shell button, #home-shell input, #home-shell select { font: inherit; }
#home-shell a { color: inherit; }
#home-shell button, #home-shell a, #home-shell input, #home-shell select { outline-offset: 4px; }
#home-shell :focus-visible { outline: rgb(97, 57, 202) solid 3px; }
#home-shell button { cursor: pointer; }
#home-shell .skip { position: absolute; top: -90px; left: 20px; background: white; padding: 12px; z-index: 9; }
#home-shell .skip:focus { top: 8px; }
#home-shell .wrap { max-width: 1120px; padding: 0px 24px; margin: auto; }
#home-shell header { border-bottom: 1px solid var(--line); }
#home-shell .header { height: 90px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
#home-shell .identity { display: flex; gap: 12px; align-items: center; text-decoration: none; }
#home-shell .mark { display: grid; place-items: center; width: 40px; height: 40px; background: var(--brand); color: white; border-radius: 12px; font-size: 23px; font-weight: 750; line-height: 1; }
#home-shell .wordmark { font-size: 20px; font-weight: 750; letter-spacing: -0.6px; line-height: 1.2; }
#home-shell .subbrand { font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: 1.5px; text-transform: uppercase; }
#home-shell .nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 600; }
#home-shell .nav a { text-decoration: none; }
#home-shell .nav a:hover { text-decoration: underline; }
#home-shell .lang { border: 0px; background: none; color: var(--muted); padding: 8px; }
#home-shell .btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 46px; padding: 10px 18px; border: 1px solid var(--line); border-radius: 8px; background: rgb(255, 255, 255); color: var(--ink); text-decoration: none; font-size: 14px; font-weight: 650; }
#home-shell .btn.primary { background: var(--brand); border-color: var(--brand); color: white; }
#home-shell .btn:hover { filter: brightness(0.96); }
#home-shell .hero { background: radial-gradient(at 86% 18%, rgb(219, 231, 255) 0px, transparent 40%), linear-gradient(120deg, rgb(243, 246, 255), rgb(237, 243, 255) 67%, rgb(248, 250, 255)); border-bottom: 1px solid rgb(220, 229, 246); position: relative; overflow: hidden; }
#home-shell .hero-inner { padding-top: 60px; padding-bottom: 56px; display: grid; grid-template-columns: 1fr 290px; gap: 64px; align-items: center; }
#home-shell .eyebrow { font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1.7px; color: var(--brand); margin: 0px 0px 14px; }
#home-shell .hero h1 { font-size: 48px; line-height: 1.12; letter-spacing: -1.8px; max-width: 640px; margin: 0px 0px 18px; font-weight: 750; }
#home-shell .hero p.desc { font-size: 17px; color: var(--muted); max-width: 540px; margin: 0px 0px 28px; }
#home-shell .search { display: flex; align-items: center; gap: 12px; background: white; border: 1px solid rgb(155, 170, 193); box-shadow: rgba(23, 36, 59, 0.047) 0px 8px 24px; border-radius: 10px; padding: 7px 8px 7px 18px; max-width: 650px; }
#home-shell .search input { min-width: 0px; width: 100%; border: 0px; outline-offset: 1px; color: var(--ink); height: 44px; font-size: 15px; }
#home-shell .search button { flex-shrink: 0; }
#home-shell .search svg { color: var(--muted); flex-shrink: 0; }
#home-shell .suggest { font-size: 12px; color: var(--muted); margin-top: 12px; display: flex; gap: 12px; flex-wrap: wrap; }
#home-shell .suggest a { text-underline-offset: 3px; }
#home-shell .illustration { height: 246px; position: relative; display: grid; place-items: center; }
#home-shell .orbit { position: absolute; width: 230px; height: 230px; border: 1px solid rgb(196, 212, 241); border-radius: 50%; }
#home-shell .orbit::before { content: ""; position: absolute; inset: 23px; border: 1px dashed rgb(196, 212, 241); border-radius: 50%; }
#home-shell .book { width: 166px; height: 188px; background: white; border: 1px solid rgb(208, 219, 239); border-radius: 12px; transform: rotate(-7deg); box-shadow: rgb(219, 229, 247) 10px 16px 0px; position: relative; padding: 28px 22px; }
#home-shell .book .tile { background: var(--brand); color: white; width: 43px; height: 43px; border-radius: 10px; display: grid; place-items: center; }
#home-shell .book strong { display: block; margin: 17px 0px 8px; font-size: 15px; }
#home-shell .line { height: 5px; background: rgb(219, 228, 242); border-radius: 4px; margin: 8px 0px; }
#home-shell .float { position: absolute; padding: 9px 12px; border-radius: 10px; background: white; border: 1px solid rgb(207, 218, 237); box-shadow: rgba(23, 36, 59, 0.04) 0px 8px 24px; font-size: 12px; color: var(--brand); font-weight: 600; display: flex; gap: 8px; align-items: center; }
#home-shell .float.top { right: 0px; top: 28px; }
#home-shell .float.bottom { left: -8px; bottom: 15px; }
#home-shell .section { padding-top: 48px; padding-bottom: 48px; }
#home-shell .section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
#home-shell h2 { font-size: 26px; letter-spacing: -0.7px; line-height: 1.3; margin: 0px 0px 7px; }
#home-shell .section-heading p { margin: 0px; color: var(--muted); font-size: 14px; }
#home-shell .section-heading a { font-size: 14px; font-weight: 600; color: var(--brand); white-space: nowrap; text-underline-offset: 4px; }
#home-shell .grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
#home-shell .category { border: 1px solid var(--line); border-radius: 12px; padding: 23px; text-decoration: none; display: block; position: relative; transition: border-color 0.15s, background 0.15s; }
#home-shell .category:hover { background: rgb(248, 250, 255); border-color: var(--brand); }
#home-shell .icon { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 10px; background: var(--soft); color: var(--brand); margin-bottom: 16px; }
#home-shell .category h3 { font-size: 16px; margin: 0px 0px 7px; letter-spacing: -0.2px; }
#home-shell .category p { font-size: 13px; color: var(--muted); margin: 0px; max-width: 250px; line-height: 1.6; }
#home-shell .category .arrow { position: absolute; right: 22px; top: 27px; color: rgb(97, 113, 139); }
#home-shell .popular { border-top: 1px solid var(--line); background: rgb(248, 250, 252); }
#home-shell .articles { display: grid; grid-template-columns: 1fr 1fr; column-gap: 40px; }
#home-shell .article { display: flex; align-items: center; gap: 14px; text-decoration: none; border-bottom: 1px solid var(--line); padding: 19px 0px; }
#home-shell .article > svg { color: rgb(107, 125, 153); flex-shrink: 0; }
#home-shell .article strong { display: block; font-size: 14px; font-weight: 600; }
#home-shell .article small { font-size: 12px; color: var(--muted); }
#home-shell .article .go { margin-left: auto; color: var(--brand); }
#home-shell .help { padding: 32px 36px; background: var(--soft); border: 1px solid rgb(217, 228, 247); border-radius: 14px; display: flex; gap: 32px; align-items: center; justify-content: space-between; }
#home-shell .help h2 { font-size: 24px; }
#home-shell .help p { font-size: 14px; color: var(--muted); margin: 0px; }
#home-shell .help-actions { display: flex; gap: 10px; flex-shrink: 0; }
#home-shell .footer { border-top: 1px solid var(--line); padding: 24px 0px; color: var(--muted); font-size: 12px; }
#home-shell .footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
#home-shell .footer a { text-underline-offset: 3px; }
#home-shell .notice { margin-top: 14px; font-size: 12px; color: var(--muted); }
#home-shell svg { width: 20px; height: 20px; stroke: currentcolor; fill: none; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
#home-shell .sr { position: absolute; width: 1px; height: 1px; padding: 0px; margin: -1px; overflow: hidden; clip: rect(0px, 0px, 0px, 0px); white-space: nowrap; }
@media (prefers-reduced-motion: reduce) {
#home-shell, #home-shell * { transition: none !important; }
}
@media (max-width: 960px) {
#home-shell .hero-inner { grid-template-columns: 1fr; gap: 0px; }
#home-shell .illustration { display: none; }
#home-shell .help { align-items: start; flex-direction: column; gap: 22px; }
#home-shell .grid { grid-template-columns: repeat(2, 1fr); }
#home-shell .hero h1 { max-width: 620px; }
}
@media (max-width: 600px) {
#home-shell .wrap { padding: 0px 20px; }
#home-shell .header { height: 76px; gap: 12px; }
#home-shell .mark { width: 34px; height: 34px; border-radius: 9px; font-size: 20px; }
#home-shell .wordmark { font-size: 17px; }
#home-shell .subbrand { font-size: 9px; }
#home-shell .identity { gap: 9px; }
#home-shell .nav { gap: 10px; }
#home-shell .nav > a, #home-shell .nav .lang { display: none; }
#home-shell .nav .btn { display: flex; min-height: 40px; padding: 8px 11px; font-size: 12px; }
#home-shell .hero-inner { padding-top: 36px; padding-bottom: 32px; }
#home-shell .eyebrow { font-size: 10px; letter-spacing: 1.4px; margin-bottom: 12px; }
#home-shell .hero h1 { font-size: 36px; line-height: 1.13; letter-spacing: -1.1px; margin-bottom: 16px; }
#home-shell .hero p.desc { font-size: 15px; line-height: 1.65; margin-bottom: 23px; }
#home-shell .search { gap: 8px; padding: 5px 6px 5px 12px; }
#home-shell .search input { font-size: 13px; height: 42px; }
#home-shell .search .btn { padding: 9px 12px; min-height: 42px; font-size: 12px; }
#home-shell .suggest { gap: 9px; font-size: 11px; }
#home-shell .section { padding-top: 32px; padding-bottom: 32px; }
#home-shell .section-heading { margin-bottom: 20px; align-items: start; }
#home-shell .section-heading a { font-size: 12px; }
#home-shell .section-heading p { font-size: 13px; }
#home-shell h2 { font-size: 23px; }
#home-shell .grid { grid-template-columns: 1fr; gap: 12px; }
#home-shell .category { padding: 18px 18px 18px 78px; min-height: 108px; }
#home-shell .category .icon { position: absolute; left: 18px; top: 20px; width: 40px; height: 40px; }
#home-shell .category h3 { font-size: 15px; padding-right: 17px; }
#home-shell .category p { font-size: 12px; padding-right: 3px; }
#home-shell .category .arrow { right: 17px; top: 23px; }
#home-shell .articles { grid-template-columns: 1fr; }
#home-shell .article { padding: 17px 0px; }
#home-shell .article strong { font-size: 13px; }
#home-shell .help { padding: 24px; gap: 20px; }
#home-shell .help h2 { font-size: 22px; }
#home-shell .help p { font-size: 13px; }
#home-shell .help-actions { width: 100%; flex-direction: column; }
#home-shell .help-actions .btn { width: 100%; }
#home-shell .footer { padding: 22px 0px; }
#home-shell .footer-inner { gap: 12px; }
#home-shell .notice { font-size: 11px; }
}
#home-shell .identity { min-width: 0px; }
#home-shell .identity > span { min-width: 0px; }
#home-shell .wordmark { overflow-wrap: anywhere; }
#home-shell .brand-logo { max-width: 120px; max-height: 40px; object-fit: contain; }
#home-shell .header { min-height: 90px; height: auto; padding-top: 18px; padding-bottom: 18px; }
#home-shell .nav { flex-shrink: 0; }
#home-shell .category h3, #home-shell .article strong { overflow-wrap: anywhere; }
#home-shell .article > span { min-width: 0px; }
#home-shell .search input:focus-visible { outline: 2px solid var(--brand); }
#home-shell .chat-feedback { margin-top: 14px; font-size: 14px; }
#home-shell .empty { border: 1px solid var(--line); border-radius: 12px; padding: 28px; }
#home-shell .empty p { color: var(--muted); }
#home-shell .section-heading .eyebrow { margin-bottom: 8px; }
#home-shell .book .short-line { width: 70%; }
#home-shell .footer nav { display: flex; gap: 18px; }
#home-shell .search-error { font-size: 14px; margin: 10px 0px 0px; color: rgb(150, 49, 39); }
#home-shell [hidden] { display: none !important; }
@media (max-width: 600px) {
#home-shell .header { min-height: 76px; height: auto; padding-top: 16px; padding-bottom: 16px; }
#home-shell .identity { gap: 8px; }
#home-shell .brand-logo { max-width: 66px; max-height: 32px; }
#home-shell .wordmark { font-size: 16px; }
#home-shell .nav .btn { white-space: nowrap; }
#home-shell .help-actions { flex-shrink: 1; }
}
@media (max-width: 360px) {
#home-shell .header { gap: 8px; }
#home-shell .identity { flex-wrap: wrap; }
#home-shell .brand-logo { display: none; }
#home-shell .wordmark { font-size: 15px; }
#home-shell .nav .btn { padding: 8px; font-size: 11px; }
#home-shell .search { gap: 6px; }
#home-shell .search > svg { width: 16px; }
#home-shell .search .btn { padding: 8px; }
#home-shell .search input { font-size: 12px; }
#home-shell .help { padding: 20px; }
}