/* Home-Location-Endpoint official site — self-contained design system.
   No external fonts, scripts, or assets (Cloudflare-friendly, fully isolated). */

:root {
  --bg: #f7f8fb;
  --bg-soft: #eef1f7;
  --surface: #ffffff;
  --surface-2: #f2f4f9;
  --border: #e2e6ef;
  --border-strong: #cfd6e4;
  --text: #1a2233;
  --text-soft: #4a5568;
  --text-mut: #7b8494;
  --brand: #3b5bdb;
  --brand-2: #5c7cfa;
  --brand-ink: #1e3a8a;
  --accent: #0ca678;
  --accent-2: #12b886;
  --warn: #e8590c;
  --warn-bg: #fff4e6;
  --danger: #e03131;
  --danger-bg: #fff0f0;
  --tip-bg: #e6f7f1;
  --note-bg: #eef2ff;
  --code-bg: #0f172a;
  --code-text: #e2e8f0;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(16,24,40,.05), 0 8px 24px rgba(16,24,40,.06);
  --shadow-lg: 0 12px 40px rgba(16,24,40,.12);
  --maxw: 1080px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC",
          "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --mono: "SF Mono", ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas,
          "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1017;
    --bg-soft: #12151d;
    --surface: #161a23;
    --surface-2: #1c212c;
    --border: #262c39;
    --border-strong: #333b4c;
    --text: #e6e9ef;
    --text-soft: #b3bccd;
    --text-mut: #7e8798;
    --brand: #748ffc;
    --brand-2: #91a7ff;
    --brand-ink: #bac8ff;
    --accent: #38d9a9;
    --accent-2: #63e6be;
    --warn: #ffa94d;
    --warn-bg: #2a1f11;
    --danger: #ff8787;
    --danger-bg: #2a1414;
    --tip-bg: #0f2620;
    --note-bg: #141a2e;
    --code-bg: #0a0e17;
    --code-text: #dbe4f0;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px rgba(0,0,0,.35);
    --shadow-lg: 0 16px 50px rgba(0,0,0,.5);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.72;
  font-size: 16.5px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: var(--mono); font-size: .9em; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }
.narrow { max-width: 820px; }

/* ---------- top nav ---------- */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; gap: 18px; height: 62px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 0; color: var(--text); font-size: 1.05rem; }
.brand:hover { text-decoration: none; }
.brand .pin { width: 26px; height: 26px; flex: none; }
.nav-links { display: flex; gap: 4px; margin-left: auto; align-items: center; }
.nav-links a {
  color: var(--text-soft); padding: 8px 12px; border-radius: 8px; font-size: .95rem; font-weight: 600;
}
.nav-links a:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-links a.cta {
  background: var(--brand); color: #fff;
}
.nav-links a.cta:hover { background: var(--brand-ink); color:#fff; }
.nav-toggle { display: none; margin-left: auto; background: var(--surface-2); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 8px 10px; font-size: 1rem; cursor: pointer; }

@media (max-width: 860px) {
  .nav-links { display: none; position: absolute; top: 62px; left: 0; right: 0; flex-direction: column;
    background: var(--surface); border-bottom: 1px solid var(--border); padding: 10px; gap: 4px; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px; }
  .nav-toggle { display: inline-block; }
}

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 78px 0 54px; }
.hero::before {
  content:""; position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(900px 380px at 78% -10%, color-mix(in srgb, var(--brand) 24%, transparent), transparent 60%),
    radial-gradient(680px 320px at 5% 8%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 55%);
}
.hero .container { position: relative; z-index: 1; }
.eyebrow {
  display:inline-flex; align-items:center; gap:8px; font-size:.8rem; font-weight:700; letter-spacing:0;
  text-transform: uppercase; color: var(--brand); background: var(--note-bg);
  border:1px solid var(--border); padding:5px 12px; border-radius:999px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.15rem); line-height: 1.12; margin: 18px 0 12px; letter-spacing: 0; font-weight: 850; }
.hero p.lead { font-size: 1.18rem; color: var(--text-soft); max-width: 640px; margin: 0 0 26px; }
.hero-cta { display:flex; flex-wrap:wrap; gap: 12px; }

.btn {
  display:inline-flex; align-items:center; gap:8px; font-weight:700; font-size: 1rem;
  padding: 12px 20px; border-radius: 11px; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--brand); color:#fff; }
.btn-primary:hover { background: var(--brand-ink); text-decoration:none; color:#fff; }
.btn-ghost { background: var(--surface); color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover { background: var(--surface-2); text-decoration:none; }

.hero-figure { margin-top: 44px; }

/* ---------- big illustrated path buttons (hero) ---------- */
.path-hero { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 20px; }
@media (max-width: 960px) { .path-hero { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 680px) { .path-hero { grid-template-columns: 1fr; } }
.path-big {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--surface); border: 1.5px solid var(--border-strong); border-radius: 24px;
  padding: 20px 20px 22px; box-shadow: var(--shadow); color: var(--text);
  transition: transform .16s ease, box-shadow .16s ease, border-color .16s ease;
  position: relative; overflow: hidden;
}
.path-big:hover { text-decoration: none; transform: translateY(-5px); box-shadow: var(--shadow-lg); }
.path-recommended { padding-top: 20px; }
.recommend-star {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  display: inline-flex; align-items: center; gap: 5px;
  padding: 5px 10px; border-radius: 999px;
  background: var(--warn); color: #271004; border: 1px solid color-mix(in srgb, var(--warn) 70%, #ffffff);
  box-shadow: 0 5px 14px color-mix(in srgb, var(--warn) 24%, transparent);
  font-size: .78rem; font-weight: 850; line-height: 1; letter-spacing: 0;
}
.path-big .illus { width: 100%; height: 144px; margin: -4px 0 8px; display: block; }
.path-big .illus svg { width: 100%; height: 100%; display: block; }
.path-big-new { border-color: color-mix(in srgb, var(--brand) 42%, var(--border-strong));
  background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 9%, var(--surface)), var(--surface) 62%); }
.path-big-advanced { border-color: color-mix(in srgb, var(--warn) 42%, var(--border-strong));
  background: linear-gradient(180deg, color-mix(in srgb, var(--warn) 8%, var(--surface)), var(--surface) 62%); }
.path-big-pro { border-color: color-mix(in srgb, var(--accent) 42%, var(--border-strong));
  background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 9%, var(--surface)), var(--surface) 62%); }
.path-big .ptag { font-size: .8rem; font-weight: 800; letter-spacing: 0; text-transform: uppercase;
  padding: 4px 12px; border-radius: 999px; margin-bottom: 4px; }
.path-big-new .ptag { background: var(--note-bg); color: var(--brand); }
.path-big-advanced .ptag { background: var(--warn-bg); color: var(--warn); }
.path-big-pro .ptag { background: var(--tip-bg); color: var(--accent); }
.path-big h3 { margin: 12px 0 7px; font-size: 1.32rem; letter-spacing:0; font-weight: 820; }
.path-big p { margin: 0 0 18px; color: var(--text-soft); font-size: .96rem; line-height: 1.58; }
.path-big .go { margin-top: auto; font-weight: 800; font-size: 1.06rem; display: inline-flex; align-items: center;
  gap: 9px; padding: 12px 22px; border-radius: 13px; }
.path-big-new .go { background: var(--brand); color: #fff; }
.path-big-advanced .go { background: var(--warn); color: #271004; }
.path-big-pro .go { background: var(--accent); color: #04140e; }

/* ---------- sections ---------- */
section { padding: 56px 0; }
.section-tight { padding: 34px 0; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); letter-spacing:0; margin: 0 0 10px; font-weight: 820; }
h3 { font-size: 1.28rem; margin: 34px 0 8px; font-weight: 750; letter-spacing:0; }
h4 { font-size: 1.05rem; margin: 22px 0 6px; font-weight: 700; }
.sec-sub { color: var(--text-mut); margin: 0 0 26px; font-size: 1.02rem; }
.alt { background: var(--bg-soft); }
p { margin: 12px 0; }
ul, ol { padding-left: 1.3em; }
li { margin: 6px 0; }
hr { border: none; border-top: 1px solid var(--border); margin: 40px 0; }

/* ---------- cards ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 820px){ .grid-2,.grid-3 { grid-template-columns: 1fr; } }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px; box-shadow: var(--shadow);
}
.card h3, .card h4 { margin-top: 0; }
.card .ic { width: 40px; height: 40px; border-radius: 10px; display:grid; place-items:center;
  background: var(--note-bg); margin-bottom: 12px; }

.path-card { position: relative; display:flex; flex-direction: column; }
.path-card .tag { align-self:flex-start; font-size:.78rem; font-weight:800; letter-spacing:0; text-transform:uppercase;
  padding:4px 10px; border-radius:999px; margin-bottom: 12px; }
.tag-new { background: var(--tip-bg); color: var(--accent); }
.tag-recommended { background: var(--warn-bg); color: var(--warn); }
.tag-pro { background: var(--note-bg); color: var(--brand); }
.path-card-recommended { border-color: color-mix(in srgb, var(--warn) 48%, var(--border-strong)); padding-top: 22px; }
.recommend-star-card { top: 16px; right: 16px; }
.path-card-recommended .tag { margin-right: 84px; }
.path-card ul { margin: 10px 0 20px; color: var(--text-soft); }
.path-card .btn { margin-top: auto; align-self:flex-start; }

/* ---------- steps ---------- */
.steps { counter-reset: step; margin: 26px 0; }
.step {
  position: relative; padding: 0 0 30px 62px; border-left: 2px solid var(--border); margin-left: 18px;
}
.step:last-child { border-left-color: transparent; padding-bottom: 4px; }
.step::before {
  counter-increment: step; content: counter(step);
  position: absolute; left: -19px; top: -4px; width: 38px; height: 38px; border-radius: 50%;
  background: var(--brand); color: #fff; font-weight: 800; display: grid; place-items: center; font-size: 1.05rem;
  box-shadow: 0 0 0 5px var(--bg);
}
.step h3 { margin: -2px 0 6px; font-size: 1.18rem; }
.step .step-body { color: var(--text-soft); }
.step .step-body p:first-child { margin-top: 0; }

/* ---------- figure ---------- */
figure { margin: 20px 0; }
.figure {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow);
}
.figure svg { display:block; margin: 0 auto; width: 100%; height: auto; }
figcaption { color: var(--text-mut); font-size: .9rem; text-align: center; margin-top: 10px; }

/* ---------- code ---------- */
.code {
  position: relative; background: var(--code-bg); color: var(--code-text);
  border-radius: var(--radius-sm); margin: 16px 0; border: 1px solid rgba(255,255,255,.06);
}
.code pre { margin: 0; padding: 16px 18px; overflow-x: auto; font-family: var(--mono); font-size: .88rem; line-height: 1.6; }
.code .copy {
  position: absolute; top: 8px; right: 8px; background: rgba(255,255,255,.08); color: #cbd5e1;
  border: 1px solid rgba(255,255,255,.12); border-radius: 7px; padding: 4px 10px; font-size: .78rem;
  cursor: pointer; font-family: var(--font); font-weight: 600;
}
.code .copy:hover { background: rgba(255,255,255,.16); color:#fff; }
.code .copy.ok { background: var(--accent); color:#04110c; border-color: transparent; }
.code pre .c { color: #7d8aa3; }      /* comment */
.code pre .k { color: #91a7ff; }      /* key/flag */
.code pre .s { color: #63e6be; }      /* string */
.code-inline { background: var(--surface-2); border:1px solid var(--border); border-radius: 6px; padding: 1px 6px; font-family: var(--mono); font-size: .86em; color: var(--brand-ink); }

/* ---------- callouts ---------- */
.callout { border-radius: var(--radius-sm); padding: 14px 16px 14px 46px; position: relative; margin: 18px 0; border:1px solid var(--border); background: var(--surface); }
.callout .ico { position:absolute; left:14px; top:14px; font-size: 1.1rem; line-height:1; }
.callout p { margin: 4px 0; }
.callout strong { color: var(--text); }
.callout-tip { background: var(--tip-bg); border-color: color-mix(in srgb, var(--accent) 30%, var(--border)); }
.callout-note { background: var(--note-bg); border-color: color-mix(in srgb, var(--brand) 26%, var(--border)); }
.callout-warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 34%, var(--border)); }
.callout-danger { background: var(--danger-bg); border-color: color-mix(in srgb, var(--danger) 34%, var(--border)); }

/* ---------- table ---------- */
.table-wrap { overflow-x: auto; margin: 18px 0; border:1px solid var(--border); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); }
th { background: var(--surface-2); font-weight: 700; }
tr:last-child td { border-bottom: none; }

/* ---------- misc ---------- */
.pill { display:inline-block; font-size:.8rem; font-weight:700; padding:2px 9px; border-radius:999px; background: var(--surface-2); border:1px solid var(--border); color: var(--text-soft); }
.kbd { font-family: var(--mono); font-size:.82em; background: var(--surface-2); border:1px solid var(--border-strong); border-bottom-width:2px; border-radius:6px; padding:1px 6px; }
.lead-list { list-style:none; padding:0; }
.lead-list li { padding-left: 26px; position: relative; }
.lead-list li::before { content:"✓"; position:absolute; left:0; color: var(--accent); font-weight:800; }
.anchor { scroll-margin-top: 84px; }
.toc { position: sticky; top: 80px; align-self: start; font-size: .92rem; }
.toc a { display:block; color: var(--text-mut); padding: 4px 10px; border-left: 2px solid var(--border); }
.toc a:hover { color: var(--brand); border-left-color: var(--brand); text-decoration:none; }
.with-toc { display:grid; grid-template-columns: 220px 1fr; gap: 40px; }
@media (max-width: 940px){ .with-toc { grid-template-columns: 1fr; } .toc { display:none; } }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--text-mut); font-size: .92rem; background: var(--bg-soft); }
.foot-grid { display:flex; flex-wrap:wrap; gap: 30px; justify-content: space-between; }
.foot-links a { color: var(--text-soft); display:block; padding: 3px 0; }
.disclaimer { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); font-size: .85rem; line-height: 1.7; }