:root {
  --color-base: #1a1a2e;
  --color-deep: #0f0f1a;
  --color-red: #e63946;
  --color-gold: #f5c542;
  --color-soft-gold: #f4a261;
  --color-celadon: #2a9d8f;
  --color-paper: #fdf6e3;
  --color-dark-gold: #b8860b;
  --color-gray: #8a8a8a;
  --font-head: "Ma Shan Zheng", "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", sans-serif;
  --font-data: "JetBrains Mono", monospace;
  --font-size-hero: clamp(2.5rem, 6vw, 5rem);
  --font-size-h2: clamp(1.8rem, 4vw, 2.5rem);
  --content-max: 1180px;
  --radius: 4px;
  --shadow-hard: 4px 4px 0 rgba(0, 0, 0, 0.45);
  --shadow-heavy: 8px 8px 0 rgba(0, 0, 0, 0.5);
  --header-z: 100;
  --ease: 0.24s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--color-base);
  color: var(--color-paper);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  background-image:
    radial-gradient(ellipse at 15% -5%, rgba(230, 57, 70, 0.22), transparent 46%),
    radial-gradient(ellipse at 85% 8%, rgba(245, 197, 66, 0.14), transparent 42%),
    linear-gradient(rgba(184, 134, 11, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(184, 134, 11, 0.06) 1px, transparent 1px);
  background-size:
    100% 100%,
    100% 100%,
    40px 40px,
    40px 40px;
  background-attachment: scroll;
}

h1,
h2,
h3,
h4 {
  font-family: var(--font-head);
  font-weight: 400;
  line-height: 1.3;
  margin: 0 0 0.6em;
  color: var(--color-gold);
}

p {
  margin: 0 0 1em;
}

a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-paper);
}

ul,
ol {
  margin: 0 0 1em;
  padding-left: 1.2em;
}

button {
  font: inherit;
  border: 0;
}

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

[hidden] {
  display: none !important;
}

:focus {
  outline: none;
}

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

#main-content:focus {
  outline: none;
}

.site-main {
  min-height: 60vh;
}

.skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--color-gold);
  color: var(--color-base);
  text-decoration: none;
  font-weight: 700;
  box-shadow: var(--shadow-hard);
  transition: top 0.24s ease;
}

.skip-link:focus,
.skip-link:focus-visible {
  top: 8px;
  outline: none;
}

.scroll-progress {
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-red), var(--color-gold));
  z-index: 2;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--header-z);
  background: rgba(15, 15, 26, 0.95);
  border-bottom: 2px solid var(--color-dark-gold);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.header-bar {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 14px 16px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}

.menu-toggle {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-width: 48px;
  height: 48px;
  padding: 0 14px;
  border-radius: 999px;
  border: 2px solid var(--color-gold);
  background: linear-gradient(145deg, var(--color-red), #b92d3a);
  color: var(--color-paper);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.2s ease, color 0.2s ease;
}

.menu-toggle:hover {
  background: var(--color-gold);
  color: var(--color-base);
  box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.5);
}

.menu-toggle:active {
  transform: translateY(1px) scale(0.97);
}

.menu-toggle.is-open {
  background: var(--color-paper);
  color: var(--color-red);
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 14px;
}

.nav-toggle-bars span {
  display: block;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open .nav-toggle-bars span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open .nav-toggle-bars span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open .nav-toggle-bars span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle-label {
  display: none;
}

@media (min-width: 768px) {
  .nav-toggle-label {
    display: inline;
  }

  .nav-toggle-bars {
    display: none;
  }

  .menu-toggle {
    min-width: 52px;
    height: 52px;
  }
}

.site-brand {
  justify-self: center;
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  line-height: 1.15;
  color: var(--color-gold);
  text-decoration: none;
  text-align: center;
  letter-spacing: 0.06em;
  text-shadow: 0 0 18px rgba(245, 197, 66, 0.25);
}

.site-brand:hover {
  color: var(--color-soft-gold);
  text-decoration: none;
}

.luck-value {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  color: var(--color-paper);
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.luck-coin {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--color-paper), var(--color-gold) 55%, var(--color-dark-gold));
  color: var(--color-red);
  font-family: var(--font-head);
  font-size: 0.95rem;
  line-height: 1;
  border: 1px solid var(--color-dark-gold);
  box-shadow: 0 0 10px rgba(245, 197, 66, 0.45);
}

.luck-label {
  display: none;
}

@media (min-width: 560px) {
  .luck-label {
    display: inline;
  }
}

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(15, 15, 26, 0.98);
  border-bottom: 2px solid var(--color-dark-gold);
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.35);
  max-height: 0;
  overflow: hidden;
  visibility: hidden;
  transition: max-height 0.36s ease, visibility 0s linear 0.36s;
}

.site-nav[data-open] {
  max-height: 420px;
  visibility: visible;
  transition: max-height 0.36s ease, visibility 0s;
}

.site-nav ul {
  list-style: none;
  margin: 0 auto;
  padding: 16px;
  max-width: var(--content-max);
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-nav a {
  display: block;
  padding: 12px 14px;
  color: var(--color-paper);
  text-decoration: none;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.site-nav a:hover {
  color: var(--color-gold);
  background: rgba(245, 197, 66, 0.06);
  border-color: var(--color-gold);
}

.site-nav a[aria-current="page"] {
  color: var(--color-gold);
  background: rgba(230, 57, 70, 0.12);
  border-color: var(--color-red);
}

@media (min-width: 768px) {
  .site-nav ul {
    flex-direction: row;
    justify-content: center;
    gap: 8px;
    padding: 10px 16px;
  }

  .site-nav a {
    border-left: none;
    border-bottom: 3px solid transparent;
    padding: 8px 16px;
  }

  .site-nav a:hover {
    border-color: var(--color-gold);
  }

  .site-nav a[aria-current="page"] {
    border-color: var(--color-red);
  }
}

.site-footer {
  background: var(--color-deep);
  border-top: 3px solid var(--color-dark-gold);
  position: relative;
  box-shadow: inset 0 24px 48px rgba(0, 0, 0, 0.15);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
}

.footer-grid {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 48px 16px 32px;
  display: grid;
  gap: 32px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 40px;
  }
}

.footer-brand {
  display: inline-block;
  font-family: var(--font-head);
  font-size: 1.8rem;
  color: var(--color-gold);
  text-decoration: none;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}

.footer-brand:hover {
  color: var(--color-soft-gold);
  text-decoration: none;
}

.footer-tagline {
  color: var(--color-soft-gold);
  font-weight: 700;
  margin-bottom: 12px;
}

.footer-trust {
  color: var(--color-gray);
  font-size: 0.875rem;
  line-height: 1.7;
  max-width: 38em;
  margin: 0;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer-heading {
  font-family: var(--font-head);
  font-size: 1.1rem;
  color: var(--color-gold);
  letter-spacing: 0.08em;
  border-bottom: 1px dashed var(--color-dark-gold);
  padding-bottom: 6px;
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--color-paper);
  text-decoration: none;
  padding: 2px 4px;
  border-left: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-gold);
  border-left-color: var(--color-red);
  padding-left: 8px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 6px;
  color: var(--color-paper);
  font-size: 0.9rem;
}

.footer-contact p {
  margin: 0;
}

.footer-bottom {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 14px 16px;
  border-top: 1px solid rgba(184, 134, 11, 0.5);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  justify-content: center;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-gray);
}

.footer-slogan {
  color: var(--color-gold);
  font-family: var(--font-head);
  font-size: 0.9rem;
}

.to-top {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 90;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-red);
  color: var(--color-paper);
  border: 2px solid var(--color-gold);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.2s ease, color 0.2s ease;
}

.to-top:hover {
  transform: translateY(-2px);
  background: var(--color-gold);
  color: var(--color-base);
}

.container {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 16px;
}

.section {
  padding: 72px 16px;
}

.section--tight {
  padding: 40px 16px;
}

.section--dark {
  background: rgba(15, 15, 26, 0.6);
  border-top: 2px solid var(--color-dark-gold);
  border-bottom: 2px solid var(--color-dark-gold);
}

.section-head {
  margin-bottom: 24px;
}

.section-kicker {
  display: block;
  font-family: var(--font-data);
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  color: var(--color-soft-gold);
  margin-bottom: 4px;
}

.section-title {
  font-family: var(--font-head);
  font-size: var(--font-size-h2);
  color: var(--color-gold);
  line-height: 1.3;
  border-left: 6px solid var(--color-red);
  padding-left: 14px;
  margin: 0;
}

.breadcrumbs {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 24px;
  font-family: var(--font-data);
  font-size: 0.8rem;
  color: var(--color-gray);
}

.breadcrumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--color-dark-gold);
}

.breadcrumbs a {
  color: var(--color-paper);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-gold);
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-gold);
  text-decoration: underline;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 2px solid var(--color-gold);
  background: transparent;
  color: var(--color-gold);
  padding: 10px 18px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: var(--shadow-hard);
  transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translate(-2px, -2px);
  background: var(--color-gold);
  color: var(--color-base);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.5);
}

.btn:active {
  transform: translate(0, 0);
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.4);
}

.btn--primary {
  background: var(--color-red);
  border-color: var(--color-red);
  color: var(--color-paper);
}

.btn--primary:hover {
  background: var(--color-paper);
  border-color: var(--color-paper);
  color: var(--color-red);
}

.btn--gold {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-deep);
}

.btn--gold:hover {
  background: var(--color-paper);
  border-color: var(--color-paper);
  color: var(--color-gold);
}

.btn--small {
  padding: 6px 12px;
  font-size: 0.8rem;
}

.btn--block {
  display: flex;
  width: 100%;
}

.panel {
  background: linear-gradient(145deg, rgba(253, 246, 227, 0.05), rgba(15, 15, 26, 0.8));
  border: 2px solid var(--color-dark-gold);
  box-shadow: var(--shadow-hard);
  padding: 24px;
}

.panel--red {
  border-top: 6px solid var(--color-red);
}

.panel--gold {
  border-top: 6px solid var(--color-gold);
}

.panel--celadon {
  border-top: 6px solid var(--color-celadon);
}

.gradient-panel {
  background: linear-gradient(120deg, rgba(230, 57, 70, 0.24), rgba(245, 197, 66, 0.1)), rgba(15, 15, 26, 0.92);
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-heavy);
}

.console-panel {
  position: relative;
  padding: 32px 24px 24px;
  border: 2px solid var(--color-dark-gold);
  background: linear-gradient(160deg, rgba(15, 15, 26, 0.96), rgba(26, 26, 46, 0.88));
  box-shadow: var(--shadow-hard);
}

.console-panel::before {
  content: attr(data-status);
  position: absolute;
  top: -10px;
  left: 14px;
  padding: 2px 10px;
  background: var(--color-red);
  color: var(--color-paper);
  font-family: var(--font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  border: 1px solid var(--color-gold);
}

.image-frame {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 2px solid var(--color-dark-gold);
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.3), rgba(245, 197, 66, 0.12));
  box-shadow: var(--shadow-hard);
}

.image-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(245, 197, 66, 0.05) 0 1px, transparent 1px 4px);
  mix-blend-mode: screen;
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-frame--wide {
  aspect-ratio: 16 / 7;
}

.image-frame--standard {
  aspect-ratio: 4 / 3;
}

.image-frame--portrait {
  aspect-ratio: 3 / 4;
}

.image-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 28px 12px 10px;
  background: linear-gradient(transparent, rgba(15, 15, 26, 0.92));
  color: var(--color-paper);
  font-size: 0.8rem;
}

.field {
  width: 100%;
  margin-bottom: 16px;
  padding: 12px 14px;
  background: var(--color-deep);
  border: 2px solid var(--color-dark-gold);
  color: var(--color-paper);
  font-family: var(--font-body);
  font-size: 1rem;
}

.field:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(245, 197, 66, 0.18);
}

.field::placeholder {
  color: var(--color-gray);
}

.prose {
  max-width: 72ch;
}

.prose h2 {
  border-left: 4px solid var(--color-red);
  padding-left: 12px;
}

.prose p,
.prose li {
  color: rgba(253, 246, 227, 0.86);
}

.grid {
  display: grid;
  gap: 24px;
}

.grid-2 {
  grid-template-columns: 1fr;
}

.grid-3 {
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}