:root { color-scheme: dark; font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", sans-serif; background: #08090c; color: #f6f7fb; font-synthesis: none; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(circle at 50% 0, #202638 0, #0c0e14 34rem, #08090c 66rem); }
img { max-width: 100%; }
a { color: inherit; }
.wudao-header { display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 78px; padding: 14px clamp(20px, 5vw, 72px); border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(8,9,12,.84); backdrop-filter: blur(18px); }
.wudao-brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-mark { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 11px; background: #6d93ff; color: #071126; font-weight: 900; }
.wudao-brand strong, .wudao-brand small { display: block; }
.wudao-brand strong { font-size: 14px; letter-spacing: .12em; }
.wudao-brand small { margin-top: 2px; color: #9299aa; font-size: 11px; }
.back-link { color: #9da7bb; font-size: 13px; text-decoration: none; }
.back-link:hover { color: #fff; }
main { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.eyebrow, .section-kicker { margin: 0 0 14px; color: #77a0ff; font-size: 12px; font-weight: 800; letter-spacing: .16em; }
h2 { margin: 0; font-size: clamp(34px, 5vw, 58px); line-height: 1.05; letter-spacing: -.045em; }
.primary-button, .secondary-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 10px 17px; border-radius: 11px; font-size: 14px; font-weight: 800; text-decoration: none; transition: transform .15s ease, border-color .15s ease, background .15s ease; }
.primary-button { border: 1px solid #8eafff; background: #6d93ff; color: #071126; }
.secondary-button { border: 1px solid #747986; background: rgba(5,5,6,.78); color: #fff; }
.primary-button:hover, .secondary-button:hover { transform: translateY(-2px); border-color: #fff; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.download-section { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(26px, 6vw, 90px); align-items: center; margin-bottom: 100px; padding: clamp(34px, 6vw, 68px); border: 1px solid rgba(255,255,255,.1); border-radius: 28px; background: #12151d; }
.download-section > img { width: 140px; border-radius: 24%; box-shadow: 0 24px 60px rgba(0,0,0,.4); }
.download-section p { color: #b7becb; font-size: 17px; line-height: 1.85; }
footer { display: flex; justify-content: space-between; gap: 24px; width: min(1120px, calc(100% - 32px)); margin: 0 auto; padding: 28px 8px 42px; border-top: 1px solid rgba(255,255,255,.08); color: #737a89; font-size: 12px; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { text-decoration: none; }
footer a:hover { color: #fff; }

/* ===== 守護者 OL2 攻略系列共享樣式 ===== */
.guide-main { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.guide-header-right { display: flex; align-items: center; gap: 14px; }
.guide-langs { display: flex; align-items: center; gap: 2px; font-size: 13px; }
.guide-langs a { padding: 5px 9px; border-radius: 8px; color: #9da7bb; text-decoration: none; }
.guide-langs a:hover { color: #fff; }
.guide-langs a.is-active { background: #242938; color: #fff; }
.guide-langs span { color: #4a5162; }
.guide-hero {
  position: relative;
  margin: clamp(28px, 5vw, 48px) 0 8px;
  padding: clamp(30px, 6vw, 60px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: 34px;
  background: #12151d;
  isolation: isolate;
}
.guide-hero::before {
  position: absolute;
  inset: auto -8% -45% 40%;
  z-index: -1;
  height: 130%;
  border-radius: 50%;
  content: "";
  filter: blur(8px);
  opacity: .4;
  background: radial-gradient(circle, #89542c 0, transparent 66%);
}
.guide-hero h1 { margin: 0; font-size: clamp(36px, 6vw, 64px); line-height: 1.04; letter-spacing: -.04em; }
.guide-hero .guide-lead { margin: 18px 0 0; color: #f6d99e; font-size: clamp(18px, 2.6vw, 24px); font-weight: 700; }
.guide-hero .guide-desc { max-width: 640px; margin: 14px 0 0; color: #c1c7d4; font-size: 16px; line-height: 1.85; }
.crumb { margin: 0 0 12px; font-size: 13px; }
.crumb a { color: #f5c35c; text-decoration: none; }
.crumb a:hover { text-decoration: underline; }
.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}
.page-nav a {
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  color: #b9c2d2;
  font-size: 12px;
  text-decoration: none;
}
.page-nav a:hover { border-color: #77a0ff; color: #fff; }
.facts-table {
  width: 100%;
  margin: 24px 0 0;
  border-collapse: collapse;
  font-size: 14px;
}
.facts-table th, .facts-table td { padding: 10px 12px; border: 1px solid rgba(255, 255, 255, .1); text-align: left; vertical-align: top; }
.facts-table th { width: 84px; color: #77a0ff; font-weight: 700; white-space: nowrap; }
.facts-table td { color: #d5dae4; line-height: 1.7; }
.guide-section { padding: clamp(56px, 8vw, 92px) 8px 0; scroll-margin-top: 96px; }
.guide-section > h2 { margin: 0 0 10px; font-size: clamp(28px, 4vw, 42px); }
.guide-section > .section-sub { margin: 0 0 26px; color: #8e98aa; font-size: 14px; }
.guide-section > p, .guide-section li, .guide-block p { color: #c6ccd8; font-size: 16px; line-height: 1.85; }
.guide-block { max-width: 860px; }
.guide-block + .guide-block { margin-top: 18px; }
.mini-h { margin: 30px 0 8px; color: #f6f7fb; font-size: 18px; letter-spacing: -.01em; }
.guide-callout {
  max-width: 860px;
  margin: 22px 0 0;
  padding: 16px 20px;
  border: 1px solid rgba(119, 160, 255, .35);
  border-left: 4px solid #6d93ff;
  border-radius: 12px;
  background: rgba(16, 22, 36, .6);
  color: #cdd6e6;
  font-size: 15px;
  line-height: 1.85;
}
.guide-callout b { color: #9db9ff; }
.guide-callout.warn { border-color: rgba(245, 195, 92, .38); border-left-color: #f5c35c; background: rgba(24, 20, 13, .6); }
.guide-callout.warn b { color: #ffe0a0; }
.step-list { max-width: 860px; margin: 0; padding: 0; list-style: none; counter-reset: step; }
.step-list li {
  position: relative;
  counter-increment: step;
  margin: 14px 0;
  padding: 16px 18px 16px 62px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 14px;
  background: #12151d;
  color: #d5dae4;
  font-size: 15px;
  line-height: 1.85;
}
.step-list li::before {
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #6d93ff;
  color: #071126;
  font-weight: 800;
  content: counter(step);
}
.step-list b { color: #f0f2f8; }
.check-list { max-width: 860px; margin: 0; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 10px 0; padding-left: 30px; color: #d5dae4; font-size: 15px; line-height: 1.85; }
.check-list li::before { position: absolute; left: 4px; top: 1px; color: #6d93ff; content: "✓"; font-weight: 800; }
.check-list b { color: #f0f2f8; }
.faq-list { max-width: 860px; margin: 0; }
.faq-list details {
  margin: 10px 0;
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 12px;
  background: #12151d;
  overflow: hidden;
}
.faq-list summary {
  cursor: pointer;
  padding: 15px 18px;
  color: #e8ebf3;
  font-size: 15px;
  font-weight: 700;
  list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { float: right; color: #77a0ff; content: "＋"; font-weight: 800; }
.faq-list details[open] summary::after { content: "－"; }
.faq-list summary:hover { background: rgba(119, 160, 255, .07); }
.faq-list .faq-a { padding: 0 18px 16px; color: #c6ccd8; font-size: 14.5px; line-height: 1.85; }
.guide-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  max-width: 960px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}
.guide-cards a {
  display: block;
  height: 100%;
  padding: 22px 22px 20px;
  border: 1px solid rgba(255, 255, 255, .09);
  border-radius: 18px;
  background: #12151d;
  text-decoration: none;
}
.guide-cards a:hover { border-color: rgba(245, 195, 92, .55); }
.guide-cards .card-no { color: #6d93ff; font-size: 12px; font-weight: 800; letter-spacing: .12em; }
.guide-cards h3 { margin: 8px 0 6px; font-size: 19px; color: #f0f2f8; }
.guide-cards p { margin: 0; color: #a7b0c0; font-size: 13.5px; line-height: 1.75; }
.guide-cards .card-go { display: inline-block; margin-top: 12px; color: #f5c35c; font-size: 13px; font-weight: 700; }
.fact-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 10px;
  max-width: 960px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}
.fact-cards article { padding: 18px; border: 1px solid rgba(255, 255, 255, .09); border-radius: 16px; background: #12151d; }
.fact-cards .no { color: #6d93ff; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.fact-cards h3 { margin: 8px 0 6px; font-size: 17px; color: #f0f2f8; }
.fact-cards .tag { margin: 0 0 8px; color: #f5d38e; font-size: 12.5px; font-weight: 700; }
.fact-cards p { margin: 0; color: #a7b0c0; font-size: 13.5px; line-height: 1.75; }
.series-nav { display: flex; flex-wrap: wrap; gap: 10px; max-width: 860px; margin: 34px 0 0; }
.series-nav a {
  flex: 1 1 200px;
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: 14px;
  background: #12151d;
  color: #c6ccd8;
  font-size: 13.5px;
  text-align: center;
  text-decoration: none;
}
.series-nav a:hover { border-color: #77a0ff; color: #fff; }
.series-nav a.series-nav--hub { color: #f5c35c; border-color: rgba(245, 195, 92, .4); }
.guide-download { margin: 40px 0 100px; }
@media (max-width: 760px) {
  .wudao-header { padding: 12px 16px; }
  .back-link { font-size: 12px; }
  main { width: min(100% - 24px, 560px); }
  .guide-header-right { gap: 8px; }
  .guide-langs a { padding: 4px 6px; font-size: 12px; }
  .facts-table th { width: 68px; font-size: 13px; }
  .guide-hero { border-radius: 26px; }
  .step-list li { padding-left: 52px; }
  .download-section { grid-template-columns: 1fr; gap: 24px; }
  .download-section > img { width: 100px; }
  footer { flex-direction: column; width: calc(100% - 24px); }
}