:root { --ink:#0b1528; --muted:#5b6678; --line:#dce4ee; --soft:#f3f7f6; --green:#0a9658; --green-dark:#067044; --bg:#ffffff; --card:#ffffff; --red:#c62828; --amber:#b26a00; }
@media (prefers-color-scheme: dark) {
  :root { --ink:#e8eef6; --muted:#9aa7b8; --line:#22324a; --soft:#0d1a2b; --green:#2fbf7f; --green-dark:#27a36c; --bg:#071321; --card:#0b1a2c; --red:#ef6b6b; --amber:#f0b44c; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); line-height: 1.6;
       font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { color: var(--green); }
.wrap { max-width: 1020px; margin: 0 auto; padding: 0 16px; }
header { display: flex; align-items: center; justify-content: space-between; padding: 18px 0; gap: 12px; flex-wrap: wrap; }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
nav a { color: var(--ink); text-decoration: none; font-size: .95rem; }
nav a:hover { color: var(--green); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--ink); text-decoration: none; }
.logo { width: 34px; height: 34px; border-radius: 9px; background: var(--green); display: grid; place-items: center; }
.btn { display: inline-block; background: var(--green); color: #fff !important; padding: 11px 20px; border-radius: 10px;
       font-weight: 600; text-decoration: none; border: 1px solid var(--green); }
.btn:hover { background: var(--green-dark); }
.btn.small { padding: 8px 14px; font-size: .92rem; }
.btn.ghost { background: transparent; color: var(--green) !important; }
.btn.ghost:hover { background: var(--soft); }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; font-weight: 700; color: var(--green); margin: 0 0 8px; }
.hero { padding: 44px 0 24px; }
h1 { font-size: clamp(1.8rem, 4.5vw, 2.6rem); line-height: 1.15; margin: 0 0 16px; letter-spacing: -.02em; }
h2 { font-size: 1.4rem; margin: 30px 0 10px; }
h3 { margin: 0 0 6px; font-size: 1.05rem; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 720px; margin: 0 0 24px; }
.lead.small { font-size: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 14px; margin: 18px 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 18px; }
.card p { margin: 0 0 8px; color: var(--muted); font-size: .96rem; }
ul.plain { padding-left: 1.1rem; color: var(--muted); margin: 0 0 20px; }
ul.plain li { margin: 4px 0; }
.tools { margin-top: 26px; }
.tool-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.tool img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); margin-bottom: 10px; }
.tag { font-size: .8rem; font-weight: 600; color: var(--green) !important; }
.link { margin-left: 12px; font-weight: 600; text-decoration: none; }
.note { background: var(--soft); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; font-size: .92rem; color: var(--muted); margin: 18px 0; }
footer { padding: 22px 0 40px; color: var(--muted); font-size: .88rem; }
/* guide */
.toc { columns: 2; padding-left: 1.1rem; color: var(--muted); }
@media (max-width: 600px) { .toc { columns: 1; } }
.guide h2 { border-top: 1px solid var(--line); padding-top: 24px; }
.guide p, .guide li { color: var(--ink); }
.guide .muted { color: var(--muted); }
.legend { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; align-items: start; margin: 10px 0 16px; }
.dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; margin-top: 6px; }
.stop { color: var(--red); font-weight: 700; } .care { color: var(--amber); font-weight: 700; } .ok { color: var(--green); font-weight: 700; }
table.simple { border-collapse: collapse; width: 100%; margin: 10px 0 16px; font-size: .95rem; }
table.simple th, table.simple td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; }