:root {
  --bg: #080705;
  --bg-2: #120d09;
  --panel: rgba(29, 22, 16, 0.86);
  --panel-2: rgba(43, 31, 22, 0.86);
  --line: rgba(255, 205, 139, 0.18);
  --text: #f8ead8;
  --muted: #c8ad91;
  --soft: #8e765e;
  --gold: #f2b84b;
  --gold-2: #ffd98b;
  --orange: #d86f2f;
  --red: #b93825;
  --green: #8cff5f;
  --cyan: #6ad9ff;
  --violet: #c889ff;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.5);
  --radius: 20px;
  --container: 1160px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 10%, rgba(216, 111, 47, 0.16), transparent 34%),
    radial-gradient(circle at 80% 18%, rgba(140, 255, 95, 0.09), transparent 26%),
    linear-gradient(180deg, #060504 0%, #120b08 45%, #070605 100%);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
  line-height: 1.65;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: linear-gradient(to bottom, transparent 0%, black 14%, black 80%, transparent 100%);
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.container {
  width: min(var(--container), calc(100% - 40px));
  margin-inline: auto;
}

.section { padding: 86px 0; position: relative; }
.section-tight { padding-top: 44px; }
.section.alt {
  background: linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.01));
  border-block: 1px solid rgba(255, 205, 139, 0.08);
}

.bg-glow {
  position: fixed;
  pointer-events: none;
  filter: blur(34px);
  opacity: 0.35;
  z-index: -1;
}
.bg-glow-a {
  width: 320px;
  height: 320px;
  top: 8%;
  left: -110px;
  background: rgba(216, 111, 47, 0.45);
  border-radius: 50%;
}
.bg-glow-b {
  width: 380px;
  height: 380px;
  right: -150px;
  top: 22%;
  background: rgba(130, 255, 73, 0.16);
  border-radius: 50%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(8, 7, 5, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 20px;
}

.brand img {
  width: 168px;
  height: auto;
  filter: drop-shadow(0 0 18px rgba(242, 184, 75, 0.16));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.site-nav a {
  color: var(--muted);
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 15px;
  transition: 0.2s ease;
}
.site-nav a:hover {
  color: var(--text);
  background: rgba(255, 205, 139, 0.10);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 8px 12px;
  font-size: 20px;
}

.hero {
  padding-top: 74px;
  min-height: 660px;
  display: grid;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(360px, 0.96fr);
  gap: 46px;
  align-items: center;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold-2);
  letter-spacing: 0.13em;
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 700;
}

h1, h2, h3 { line-height: 1.2; margin: 0; }

h1 {
  font-size: clamp(48px, 7vw, 96px);
  letter-spacing: -0.04em;
  color: #fff4df;
  text-shadow: 0 0 28px rgba(216, 111, 47, 0.24);
}

h2 {
  font-size: clamp(30px, 4.4vw, 52px);
  letter-spacing: -0.03em;
}

h3 { font-size: 20px; }

.hero-lead {
  max-width: 650px;
  margin: 22px 0 0;
  font-size: 20px;
  color: var(--muted);
}

.hero-actions {
  margin-top: 30px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 800;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary {
  color: #190f05;
  background: linear-gradient(135deg, var(--gold-2), var(--orange));
  box-shadow: 0 15px 34px rgba(216, 111, 47, 0.24);
}
.btn-secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--line);
}

.hero-panel {
  position: relative;
  overflow: hidden;
  padding: 36px;
  border: 1px solid rgba(255, 205, 139, 0.22);
  border-radius: 28px;
  background:
    radial-gradient(circle at 80% 22%, rgba(140, 255, 95, 0.16), transparent 34%),
    linear-gradient(135deg, rgba(38, 24, 16, 0.92), rgba(12, 9, 7, 0.86));
  box-shadow: var(--shadow);
}
.hero-panel::before {
  content: "";
  position: absolute;
  inset: 12px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.05);
  pointer-events: none;
}
.panel-topline {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--gold), var(--green), transparent);
}
.hero-logo {
  width: 100%;
  margin: 20px auto 34px;
  filter: drop-shadow(0 16px 38px rgba(0,0,0,0.54));
}
.quick-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.quick-stats div {
  padding: 14px;
  border-radius: 16px;
  background: rgba(0,0,0,0.34);
  border: 1px solid rgba(255, 205, 139, 0.12);
}
.quick-stats span {
  display: block;
  color: var(--soft);
  font-size: 13px;
}
.quick-stats strong {
  display: block;
  color: #fff;
  font-size: 24px;
  margin-top: 2px;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 36px;
  text-align: center;
}
.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 18px;
  margin: 14px 0 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.feature-card, .note-card, .material-card, .calculator-card, .rules-grid article, .forge-card, .mine-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, var(--panel), rgba(18, 13, 9, 0.72));
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.22);
}
.feature-card {
  padding: 24px;
}
.feature-card .icon {
  display: inline-grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 14px;
  border-radius: 14px;
  color: #160f09;
  background: linear-gradient(135deg, var(--gold-2), var(--orange));
  font-weight: 900;
}
.feature-card p, .mine-card li, .rules-grid li, .forge-card p, .note-card p, .faq-list p { color: var(--muted); }
.feature-card p { margin-bottom: 0; }

.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.step {
  min-height: 112px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,0.035);
  position: relative;
}
.step b {
  display: block;
  color: var(--gold);
  font-size: 26px;
  line-height: 1;
  margin-bottom: 14px;
}
.step span { color: var(--text); font-weight: 700; }

.mine-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.mine-card {
  padding: 24px;
  position: relative;
  overflow: hidden;
}
.mine-card::before {
  content: "";
  position: absolute;
  right: -40px;
  top: -50px;
  width: 150px;
  height: 150px;
  border-radius: 50%;
  background: rgba(242, 184, 75, 0.08);
}
.tier-tag {
  display: inline-flex;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(255, 205, 139, 0.10);
  color: var(--gold-2);
  font-size: 13px;
  font-weight: 800;
  margin-bottom: 14px;
}
.mine-card .price {
  margin: 12px 0 14px;
  color: var(--gold-2);
  font-size: 20px;
  font-weight: 900;
}
.mine-card ul, .rules-grid ul {
  padding-left: 18px;
  margin: 0;
}
.mine-card li + li, .rules-grid li + li { margin-top: 6px; }
.tier-awaken { border-color: rgba(198, 160, 102, 0.22); }
.tier-hero { border-color: rgba(106, 217, 255, 0.22); }
.tier-legend { border-color: rgba(242, 184, 75, 0.32); }
.tier-myth { border-color: rgba(200, 137, 255, 0.42); }

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(0,0,0,0.20);
}
.table-wrap.wide { margin-top: 26px; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}
caption {
  text-align: left;
  padding: 16px 18px;
  color: var(--gold-2);
  font-weight: 800;
  border-bottom: 1px solid var(--line);
}
th, td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 205, 139, 0.10);
  vertical-align: top;
}
th {
  color: #fff1cf;
  background: rgba(255, 205, 139, 0.08);
  font-size: 14px;
}
td { color: var(--muted); }
tr:last-child td { border-bottom: 0; }

.note-card {
  padding: 22px;
  margin-top: 22px;
}
.note-card strong { color: var(--gold-2); }
.note-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.material-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  gap: 16px;
}
.material-card { padding: 24px; }
.material-card.important {
  background:
    radial-gradient(circle at 80% 10%, rgba(242, 184, 75, 0.18), transparent 36%),
    linear-gradient(145deg, rgba(43, 31, 22, 0.92), rgba(18, 13, 9, 0.78));
}
.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.pill-list span {
  display: inline-flex;
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(242, 184, 75, 0.12);
  border: 1px solid rgba(242, 184, 75, 0.18);
  color: #ffedc2;
  font-size: 14px;
}
.pill-list.muted span {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.08);
  color: var(--muted);
}

.forge-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}
.forge-card { padding: 20px; }
.forge-card strong {
  display: inline-block;
  margin-top: 10px;
  font-size: 26px;
  color: var(--gold-2);
}
.forge-card.mythic strong { color: var(--violet); }

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-bottom: 18px;
}
.tab {
  cursor: pointer;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,0.04);
  padding: 10px 16px;
  border-radius: 999px;
  font-weight: 800;
}
.tab.active {
  color: #1a0f07;
  background: linear-gradient(135deg, var(--gold-2), var(--orange));
  border-color: transparent;
}
.tab-panel {
  display: none;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(0,0,0,0.18);
}
.tab-panel.active { display: block; }
.tab-panel h3 { margin-bottom: 18px; }
.split-tables {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.rules-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.rules-grid article { padding: 22px; }
.rules-grid h3 { margin-bottom: 14px; }

.calculator-card { padding: 24px; }
.calc-form {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
label {
  display: grid;
  gap: 8px;
  color: var(--gold-2);
  font-weight: 800;
}
select {
  width: 100%;
  color: var(--text);
  background: rgba(0,0,0,0.4);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 16px;
}
.calc-result {
  margin-top: 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.result-box {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.045);
  border: 1px solid rgba(255, 205, 139, 0.12);
}
.result-box span {
  display: block;
  color: var(--soft);
  font-size: 13px;
}
.result-box strong {
  display: block;
  color: #fff;
  font-size: 22px;
  margin-top: 4px;
}
.result-note {
  grid-column: 1 / -1;
  color: var(--muted);
  padding: 14px 16px;
  border-radius: 14px;
  background: rgba(216, 111, 47, 0.08);
  border: 1px solid rgba(216, 111, 47, 0.18);
}

.faq-list {
  max-width: 880px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
details {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 18px;
  background: rgba(0,0,0,0.16);
}
summary {
  cursor: pointer;
  padding: 18px 0;
  font-weight: 900;
  color: #fff4df;
}
details p { margin: 0 0 18px; }

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,0.26);
  padding: 30px 0;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}
.footer-inner p { color: var(--muted); margin: 4px 0 0; }
.footer-inner a { color: var(--gold-2); font-weight: 900; }

@media (max-width: 1024px) {
  .hero-grid, .material-layout { grid-template-columns: 1fr; }
  .mine-grid, .forge-grid, .rules-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .calc-result { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .container { width: min(100% - 28px, var(--container)); }
  .section { padding: 58px 0; }
  .hero { padding-top: 42px; min-height: auto; }
  .brand img { width: 128px; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: absolute;
    top: 76px;
    left: 14px;
    right: 14px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(8,7,5,0.96);
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px; }
  .hero-panel { padding: 22px; }
  .quick-stats, .feature-grid, .steps, .mine-grid, .forge-grid, .rules-grid, .note-grid, .calc-form, .calc-result, .split-tables { grid-template-columns: 1fr; }
  h1 { font-size: 46px; }
  .hero-lead { font-size: 17px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}