.sg-guide{--sg-ink:#172033;--sg-muted:#627086;--sg-line:#dfe5ee;--sg-soft:#f5f7fb;--sg-accent:#3157d5;--sg-accent-dark:#203f9f;--sg-warm:#fff7df;max-width:1180px;margin:0 auto;padding:28px 20px 72px;color:var(--sg-ink);font-size:16px;line-height:1.65}.sg-guide *{box-sizing:border-box}.sg-guide h1,.sg-guide h2,.sg-guide h3{line-height:1.15;letter-spacing:-.025em;color:var(--sg-ink)}.sg-guide h1{font-size:clamp(2.25rem,6vw,4.5rem);margin:0 0 18px}.sg-guide h2{font-size:clamp(1.75rem,4vw,2.7rem);margin:0}.sg-guide h3{font-size:1.25rem;margin:0 0 8px}.sg-guide p{margin:0 0 1rem}.sg-hero{position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);align-items:center;gap:32px;padding:clamp(28px,5vw,64px);border-radius:28px;background:linear-gradient(135deg,#172033 0,#253b82 58%,#3157d5 100%);color:#fff}.sg-hero h1,.sg-hero p{color:#fff}.sg-hero__eyebrow{display:inline-flex;margin-bottom:14px;padding:6px 11px;border:1px solid rgba(255,255,255,.3);border-radius:999px;font-size:.78rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase}.sg-hero__lead{max-width:650px;font-size:clamp(1.05rem,2vw,1.28rem);opacity:.9}.sg-hero__meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}.sg-hero__meta span{padding:8px 12px;border-radius:10px;background:rgba(255,255,255,.12);font-size:.9rem;font-weight:700}.sg-hero .pd-host{max-width:390px;margin:0 auto}.sg-hero .pd-svg{filter:drop-shadow(0 20px 20px rgba(0,0,0,.28))}.sg-nav{position:sticky;top:0;z-index:5;display:flex;gap:9px;overflow-x:auto;margin:20px 0 44px;padding:10px;border:1px solid var(--sg-line);border-radius:16px;background:rgba(255,255,255,.94);box-shadow:0 8px 25px rgba(27,38,64,.08);backdrop-filter:blur(10px);scrollbar-width:thin}.sg-nav a{flex:0 0 auto;padding:9px 13px;border-radius:10px;color:var(--sg-ink);font-size:.9rem;font-weight:800;text-decoration:none}.sg-nav a:hover{background:#edf1ff;color:var(--sg-accent)}.sg-intro{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;margin-bottom:52px}.sg-card,.sg-callout,.sg-step{border:1px solid var(--sg-line);background:#fff;box-shadow:0 10px 35px rgba(35,49,82,.06)}.sg-card{padding:24px;border-radius:18px}.sg-card ul{margin:.5rem 0 0;padding-left:1.25rem}.sg-card li+li{margin-top:.45rem}.sg-callout{padding:22px 24px;border-left:5px solid var(--sg-accent);border-radius:14px}.sg-callout--warm{border-left-color:#e6a400;background:var(--sg-warm)}.sg-step{margin:0 0 36px;border-radius:24px;overflow:hidden;scroll-margin-top:92px}.sg-step__head{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center;padding:25px 28px;background:var(--sg-soft);border-bottom:1px solid var(--sg-line)}.sg-step__number{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:var(--sg-accent);color:#fff;font-size:1.2rem;font-weight:900}.sg-step__head p{margin:5px 0 0;color:var(--sg-muted)}.sg-step__body{padding:clamp(22px,4vw,38px)}.sg-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.72fr);gap:30px;align-items:center}.sg-split--reverse{grid-template-columns:minmax(260px,.72fr) minmax(0,1fr)}.sg-split--reverse .sg-visual{order:-1}.sg-visual{padding:16px;border:1px solid var(--sg-line);border-radius:18px;background:radial-gradient(circle at 50% 38%,#fff 0,#f7f9fc 68%,#eef2f8 100%)}.sg-visual .pd-host{max-width:340px;margin:0 auto}.sg-visual figcaption{text-align:center;color:var(--sg-muted);font-size:.86rem;font-weight:700}.sg-mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:22px 0}.sg-mini{padding:14px;border:1px solid var(--sg-line);border-radius:16px;background:var(--sg-soft);text-align:center}.sg-mini .pd-host{margin:0 auto;max-width:210px}.sg-mini strong{display:block;margin-top:2px}.sg-alg{margin:22px 0;padding:20px;border:1px solid #ccd7f8;border-radius:18px;background:#f3f6ff}.sg-alg__title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}.sg-alg__title strong{font-size:1rem}.sg-alg__title code{padding:5px 9px;border-radius:8px;background:#fff;color:var(--sg-accent-dark);font-size:.88rem;font-weight:800}.sg-alg .nd-sequence{grid-template-columns:repeat(auto-fit,minmax(72px,1fr));gap:8px}.sg-alg .nd-host{max-width:110px}.sg-alg .nd-svg{filter:none}.sg-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}.sg-check{padding:16px 18px;border-radius:14px;background:var(--sg-soft)}.sg-check strong{display:block;margin-bottom:3px}.sg-table{width:100%;border-collapse:separate;border-spacing:0;margin-top:15px;border:1px solid var(--sg-line);border-radius:14px;overflow:hidden}.sg-table th,.sg-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--sg-line)}.sg-table tr:last-child th,.sg-table tr:last-child td{border-bottom:0}.sg-table th{width:110px;background:var(--sg-soft)}.sg-finish{text-align:center;padding:clamp(32px,6vw,64px);border-radius:26px;background:linear-gradient(135deg,#edf2ff,#f8faff);border:1px solid #d6e0fb}.sg-finish p{max-width:720px;margin:12px auto 24px;color:var(--sg-muted)}.sg-button{display:inline-block;padding:13px 20px;border-radius:12px;background:var(--sg-accent);color:#fff!important;font-weight:800;text-decoration:none}.sg-button:hover{background:var(--sg-accent-dark)}@media(max-width:820px){.sg-hero,.sg-intro,.sg-split,.sg-split--reverse{grid-template-columns:1fr}.sg-hero__visual{order:-1}.sg-hero .pd-host{max-width:280px}.sg-split--reverse .sg-visual{order:0}.sg-mini-grid{grid-template-columns:1fr}.sg-nav{top:4px}.sg-step__body{padding:22px}.sg-checks{grid-template-columns:1fr}.sg-alg .nd-sequence{grid-template-columns:repeat(auto-fit,minmax(62px,1fr))}}@media(max-width:480px){.sg-guide{padding-left:12px;padding-right:12px}.sg-hero{padding:24px 18px;border-radius:20px}.sg-step{border-radius:18px}.sg-step__head{padding:20px}.sg-step__number{width:42px;height:42px}.sg-alg{padding:14px}.sg-alg__title{display:block}.sg-alg__title code{display:inline-block;margin-top:7px}}