:root {
  color-scheme: dark;
  --bg: #0c0e0f;
  --panel: #151819;
  --panel-2: #1b1f20;
  --ink: #f4f0df;
  --muted: #a8aca8;
  --line: #313637;
  --acid: #b7db42;
  --gold: #d2a64a;
  --red: #b94545;
  --violet: #8f6bc2;
  --shadow: 0 20px 50px rgba(0, 0, 0, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(183, 219, 66, .055), transparent 32%),
    linear-gradient(225deg, rgba(143, 107, 194, .06), transparent 38%),
    var(--bg);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
}
a { color: inherit; }
.page { width: min(1240px, calc(100% - 32px)); margin: 0 auto; padding: 24px 0 48px; }
.hero {
  overflow: hidden;
  border: 1px solid #3a4132;
  border-radius: 8px;
  background:
    linear-gradient(115deg, rgba(12, 14, 15, .97), rgba(26, 32, 25, .93)),
    repeating-linear-gradient(90deg, transparent 0 78px, rgba(183, 219, 66, .08) 78px 80px);
  box-shadow: var(--shadow);
}
.hero nav { display: flex; gap: 10px; padding: 18px 22px 0; }
.hero nav a { padding: 9px 13px; border: 1px solid #4d5545; border-radius: 6px; color: #dfe8c3; text-decoration: none; background: #161a16; }
.hero-content { min-height: 310px; padding: 32px; display: grid; grid-template-columns: 152px minmax(0, 1fr); gap: 28px; align-items: center; }
.hero-content img { width: 152px; aspect-ratio: 1; object-fit: cover; border: 2px solid var(--acid); border-radius: 8px; box-shadow: 12px 12px 0 rgba(183, 219, 66, .12); }
.eyebrow, .section-no { margin: 0 0 10px; color: var(--acid); font-size: 12px; font-weight: 800; }
h1 { max-width: 820px; margin: 0; font-size: 48px; line-height: 1.08; letter-spacing: 0; }
.lead { max-width: 860px; margin: 16px 0 0; color: #c8ccc4; font-size: 17px; line-height: 1.8; }
.meta { margin-top: 20px; display: flex; flex-wrap: wrap; gap: 8px; }
.meta span { padding: 6px 9px; border: 1px solid #3c4438; border-radius: 4px; color: #c6d0b1; background: #151a15; font-size: 12px; }
.version-note { margin-top: 16px; padding: 17px 20px; border: 1px solid #5d4d2e; border-left: 4px solid var(--gold); border-radius: 8px; background: #201c15; }
.version-note strong { color: #efc66f; }
p { margin: 8px 0 0; line-height: 1.78; }
.version-note p, .panel > p, li, .spec p, .training-flow p, .dungeon-grid p { color: var(--muted); }
.layout { margin-top: 16px; display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 16px; align-items: start; }
.toc { min-width: 0; }
.toc-inner { position: sticky; top: 16px; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: var(--shadow); display: grid; gap: 5px; }
.toc-inner p { margin: 0 0 8px; color: var(--acid); font-weight: 800; }
.toc-inner a { padding: 9px 10px; border-radius: 5px; color: #b9bdb8; text-decoration: none; }
.toc-inner a:hover { color: var(--ink); background: #232827; }
.content { min-width: 0; display: grid; gap: 16px; }
.panel { min-width: 0; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); box-shadow: var(--shadow); }
h2 { margin: 0; font-size: 27px; letter-spacing: 0; }
h3 { margin: 0; font-size: 18px; letter-spacing: 0; }
.intro { max-width: 850px; }
.principles, .spec-grid, .dungeon-grid { margin-top: 18px; display: grid; gap: 12px; }
.principles { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.principles article, .dungeon-grid article { padding: 15px; border: 1px solid #303534; border-radius: 6px; background: var(--panel-2); }
.principles b, .dungeon-grid b { display: block; margin-bottom: 7px; color: var(--acid); }
.principles span { color: var(--muted); line-height: 1.65; }
.spec-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.spec { padding: 18px; border: 1px solid #343938; border-top: 3px solid var(--acid); border-radius: 6px; background: var(--panel-2); }
.spec.subtlety { border-top-color: var(--violet); }
.spec.outlaw { border-top-color: var(--gold); }
.spec > span { display: inline-block; margin-bottom: 12px; color: var(--acid); font-size: 12px; font-weight: 800; }
.spec.subtlety > span { color: #b898e3; }
.spec.outlaw > span { color: #e0b963; }
.spec p { min-height: 88px; }
.spec b { color: #d8dbd2; }
.training-flow { margin-top: 18px; display: grid; gap: 10px; }
.training-flow article { padding: 15px; border: 1px solid #303534; border-radius: 6px; background: var(--panel-2); display: grid; grid-template-columns: 38px 1fr; gap: 12px; }
.training-flow article > span { width: 34px; height: 34px; border-radius: 50%; color: #111; background: var(--acid); display: grid; place-items: center; font-weight: 900; }
.training-flow p { margin-top: 5px; }
.checklist { margin-top: 16px; padding: 17px; border: 1px solid #3e4734; border-radius: 6px; background: #171c15; display: grid; gap: 9px; }
.checklist label { color: #c3c8bf; line-height: 1.6; }
.checklist input { accent-color: var(--acid); }
.window-board { margin-top: 18px; padding: 18px; border: 1px solid #423852; border-radius: 6px; background: #1c1822; }
.window-title { color: #c4a8ea; font-weight: 800; }
.window-steps { margin-top: 15px; display: grid; grid-template-columns: auto 1fr auto 1fr auto 1fr auto 1fr auto; gap: 8px; align-items: center; }
.window-steps span { padding: 8px 10px; border: 1px solid #544564; border-radius: 4px; white-space: nowrap; text-align: center; }
.window-steps i { height: 1px; background: #6e5886; }
.compare { margin-top: 14px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.compare article { padding: 17px; border: 1px solid #303534; border-radius: 6px; background: var(--panel-2); }
ul { margin: 12px 0 0; padding-left: 20px; }
li { margin: 8px 0; line-height: 1.7; }
.dungeon-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.plain-list { margin-top: 14px; }
.review-list { margin-top: 18px; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.review-list article { padding: 14px; border: 1px solid #303534; border-radius: 6px; background: var(--panel-2); }
.review-list b { display: block; margin-bottom: 7px; color: var(--acid); }
.review-list span { color: var(--muted); line-height: 1.6; }
.tip { margin-top: 16px !important; padding: 14px; border-left: 3px solid var(--acid); background: #191d17; }
.source-grid { margin-top: 17px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.source-grid a { padding: 16px; border: 1px solid #3d4437; border-radius: 6px; text-decoration: none; background: #181c17; display: grid; gap: 7px; }
.source-grid a:hover { border-color: var(--acid); }
.source-grid b { color: #dce8b9; }
.source-grid span, .credit { color: var(--muted); }
.credit { font-size: 12px; }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .toc-inner { position: static; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .toc-inner p { grid-column: 1 / -1; }
  .principles, .review-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spec-grid { grid-template-columns: 1fr; }
  .spec p { min-height: 0; }
}

@media (max-width: 660px) {
  .page { width: min(100% - 20px, 1240px); padding-top: 10px; }
  .hero nav { flex-direction: column; padding: 14px 14px 0; }
  .hero-content { padding: 26px 18px 30px; grid-template-columns: 1fr; }
  .hero-content img { width: 112px; }
  h1 { font-size: 34px; }
  .panel { padding: 18px; }
  .toc-inner, .principles, .compare, .dungeon-grid, .review-list, .source-grid { grid-template-columns: 1fr; }
  .window-steps { grid-template-columns: 1fr; }
  .window-steps i { width: 1px; height: 13px; justify-self: center; }
}