:root{color-scheme:light;--bg: #f7f9fb;--surface: #ffffff;--surface-muted: #eef4f5;--text: #1e2528;--muted: #5e6d72;--line: #d8e1e4;--accent: #0d766e;--accent-strong: #075e59;--accent-soft: #dff3f0;--warning: #9a6700;--warning-soft: #fff4d6;--info: #275d8f;--info-soft: #e5f1fb;--danger-soft: #fdebea;--danger: #9f2d20;--shadow: 0 18px 38px rgba(30, 37, 40, .08);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);scroll-behavior:smooth}body{margin:0;min-width:320px;font-size:16px;line-height:1.6}a{color:var(--accent-strong);text-decoration-thickness:.08em;text-underline-offset:.18em}a:hover{color:#0a4f4a}img,svg{max-width:100%}.site-shell{min-height:100vh;display:flex;flex-direction:column}.container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.main-content{flex:1}.section{padding:64px 0}.section+.section{border-top:1px solid var(--line)}.section.compact{padding:40px 0}.section-header{max-width:760px;margin-bottom:28px}.section-header h2,.section-header h1{margin:0 0 12px;font-size:clamp(2rem,5vw,3.8rem);line-height:1.05;font-weight:760;letter-spacing:0}.section-header h2{font-size:clamp(1.7rem,3vw,2.6rem)}.section-header p{margin:0;color:var(--muted);font-size:1.05rem}.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--accent-strong);font-size:.82rem;font-weight:760;text-transform:uppercase}.button-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 16px;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:#fff;font-weight:730;text-decoration:none;box-shadow:0 8px 20px 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var(--line);border-radius:999px;background:var(--surface-muted);color:var(--muted);font-size:.86rem;font-weight:700}.notice{border:1px solid var(--line);border-left:5px solid var(--accent);border-radius:8px;background:var(--surface);padding:18px 20px}.notice.warning{border-left-color:var(--warning);background:var(--warning-soft)}.notice.danger{border-left-color:var(--danger);background:var(--danger-soft)}.notice strong{display:block;margin-bottom:4px}.notice p{margin:0;color:var(--muted)}.list-clean{padding:0;margin:0;list-style:none}.check-list{display:grid;gap:12px;padding:0;margin:0;list-style:none}.check-list li{position:relative;padding-left:28px}.check-list li:before{content:"";position:absolute;top:.63em;left:0;width:12px;height:12px;border-radius:999px;background:var(--accent)}.site-header{position:sticky;top:0;z-index:10;border-bottom:1px solid rgba(216,225,228,.9);background:#f7f9fbf0;backdrop-filter:blur(14px)}.header-inner{display:flex;min-height:72px;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;text-decoration:none;white-space:nowrap}.brand-logo{display:block;width:34px;height:34px;border-radius:8px}.nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:4px}.nav a{padding:8px 10px;border-radius:8px;color:var(--muted);font-size:.94rem;font-weight:700;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{background:var(--accent-soft);color:var(--accent-strong)}.site-footer{border-top:1px solid var(--line);background:#fff}.footer-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:32px;padding:42px 0}.footer-inner p{margin:0;color:var(--muted)}.footer-nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 16px}.footer-nav a{font-weight:700}.disclaimer{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:.92rem}.disclaimer p{margin:0 0 6px}.hero{padding:72px 0 48px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.8fr);gap:36px;align-items:center}.hero h1{margin:0 0 18px;max-width:820px;font-size:clamp(2.6rem,6vw,5.8rem);line-height:.96;font-weight:830;letter-spacing:0}.hero p{max-width:690px;margin:0 0 26px;color:var(--muted);font-size:clamp(1.05rem,2vw,1.22rem)}.source-visual{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:linear-gradient(180deg,#ffffffeb,#eef4f5eb),repeating-linear-gradient(135deg,rgba(13,118,110,.08) 0,rgba(13,118,110,.08) 1px,transparent 1px,transparent 18px);padding:22px;box-shadow:var(--shadow)}.source-node{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;margin-bottom:12px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:14px}.source-node:last-child{margin-bottom:0}.source-node strong{display:block}.source-node span{color:var(--muted);font-size:.9rem}.source-state{flex:0 0 auto;min-width:88px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);padding:5px 10px;text-align:center;font-weight:800;font-size:.82rem}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:var(--surface)}table{width:100%;min-width:560px;border-collapse:collapse}th,td{padding:16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--surface-muted);color:var(--text)}tr:last-child td{border-bottom:0}.faq-list{display:grid;gap:12px}.faq-list details{border:1px solid var(--line);border-radius:8px;background:var(--surface);padding:0}.faq-list summary{cursor:pointer;padding:16px 18px;font-weight:760}.faq-list p{margin:0;padding:0 18px 18px;color:var(--muted)}.step-list{display:grid;gap:14px;padding-left:0;margin:16px 0 0;list-style:none;counter-reset:steps}.step-list 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