@charset "UTF-8";

:root {
  --color-primary: #0A5C36;
  --color-primary-deep: #064228;
  --color-gold: #FFD700;
  --color-paper: #F5F0E6;
  --color-ink: #1A1A1A;
  --color-white: #FFFFFF;
  --color-muted: #6B7280;
  --color-line: #E5E7EB;
  --color-gray: #374151;
  --color-alert: #9A3412;
  --font-display: 'Anton', 'Oswald', 'Noto Sans SC', sans-serif;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --ticker-height: 42px;
  --sidebar-width: 280px;
  --container-max: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
}

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

button {
  font-family: inherit;
  font-size: 100%;
  line-height: 1;
}

ul,
ol {
  list-style: none;
}

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

h1,
h2,
h3,
h4,
p,
figure {
  margin: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  text-transform: uppercase;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  letter-spacing: 0.02em;
}

h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
}

h3 {
  font-size: 1.35rem;
}

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

.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 300;
  background: var(--color-gold);
  color: var(--color-ink);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.65rem 1rem;
  border-radius: 0 0.5rem 0.5rem 0;
  transform: translateY(-250%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: relative;
  z-index: 50;
}

.header-ticker {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--ticker-height);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0 1.25rem;
  background: var(--color-ink);
  color: var(--color-paper);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  overflow: hidden;
  z-index: 220;
}

.ticker-pulse {
  flex: none;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--color-gold);
  animation: tickerPulse 1.8s infinite;
}

@keyframes tickerPulse {
  0% {
    box-shadow: 0 0 0 0 rgba(255, 215, 0, 0.45);
  }
  70% {
    box-shadow: 0 0 0 8px rgba(255, 215, 0, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(255, 215, 0, 0);
  }
}

.ticker-label {
  flex: none;
  background: var(--color-gold);
  color: var(--color-ink);
  font-weight: 700;
  padding: 0.35rem 0.6rem;
  clip-path: polygon(0 0, calc(100% - 0.45rem) 0, 100% 100%, 0 100%);
}

.ticker-text {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: rgba(255, 255, 255, 0.82);
}

.progress-line {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0%;
  height: 2px;
  background: var(--color-gold);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  font-size: 0.75rem;
  flex: none;
}

.nav-toggle-box {
  display: grid;
  gap: 0.25rem;
  width: 1rem;
}

.nav-toggle-box i {
  display: block;
  height: 2px;
  background: var(--color-gold);
}

.nav-toggle-box i:nth-child(2) {
  width: 0.7rem;
}

.nav-toggle-box i:nth-child(3) {
  width: 1rem;
}

.brand-rail {
  position: fixed;
  top: var(--ticker-height);
  left: 0;
  bottom: 0;
  width: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  padding: 2.5rem 2rem 1.75rem;
  background: var(--color-primary);
  color: #fff;
  z-index: 210;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-rail::before {
  content: "";
  position: absolute;
  top: 1rem;
  right: -2.5rem;
  width: 5rem;
  height: 5rem;
  border: 1px solid rgba(255, 215, 0, 0.3);
  transform: rotate(45deg);
  pointer-events: none;
}

.brand-logo {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 0.9rem;
  row-gap: 0.25rem;
  margin-bottom: 3rem;
  color: #fff;
}

.brand-logomark {
  display: block;
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
}

.brand-logomark::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--color-gold);
  clip-path: polygon(0 12%, 88% 0, 100% 88%, 12% 100%);
}

.brand-logomark::after {
  content: "";
  position: absolute;
  inset: 0.45rem;
  border: 2px solid var(--color-primary);
  clip-path: polygon(0 12%, 88% 0, 100% 88%, 12% 100%);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-sub {
  display: block;
  width: 100%;
  padding-left: 3.65rem;
  margin-top: -0.2rem;
  font-size: 0.7rem;
  letter-spacing: 0.45em;
  color: var(--color-gold);
  text-transform: uppercase;
}

.site-nav {
  flex: 1;
}

.nav-list {
  display: grid;
  gap: 0.3rem;
  counter-reset: nav;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.7rem 0.8rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
  border-left: 2px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.nav-link::before {
  counter-increment: nav;
  content: counter(nav, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  opacity: 0.75;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  border-left-color: var(--color-gold);
}

.nav-link[aria-current="page"] {
  background: rgba(255, 215, 0, 0.12);
  color: #fff;
  border-left-color: var(--color-gold);
  box-shadow: inset 0 0 0 1px rgba(255, 215, 0, 0.15);
}

.rail-index {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
}

.rail-index span {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--color-gold);
}

.nav-backdrop {
  display: none;
}

.site-main {
  margin-left: var(--sidebar-width);
  padding-top: var(--ticker-height);
  min-height: 80vh;
}

.site-footer {
  margin-left: var(--sidebar-width);
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  border-top: 4px solid var(--color-gold);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr 1.2fr;
  gap: 2.5rem;
  max-width: 1280px;
  margin-inline: auto;
  padding: 3.5rem clamp(1.25rem, 4vw, 3.5rem) 2.5rem;
}

.footer-brand {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.2;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #fff;
}

.footer-logo span {
  color: var(--color-gold);
}

.footer-trust {
  max-width: 24rem;
  font-size: 0.85rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.55);
}

.footer-links,
.footer-legal,
.footer-contact {
  display: grid;
  gap: 1rem;
  align-content: start;
}

.footer-heading {
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.footer-list {
  display: grid;
  gap: 0.55rem;
  font-size: 0.9rem;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.65);
  transition: color 0.2s ease;
}

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

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem clamp(1.25rem, 4vw, 3.5rem);
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.42);
}

.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.grid {
  display: grid;
  gap: 1.5rem;
}

.grid--2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  position: relative;
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 1.5rem;
  box-shadow: 0.5rem 0.5rem 0 rgba(10, 92, 54, 0.1);
}

.card--cut {
  clip-path: polygon(0 0, calc(100% - 1.25rem) 0, 100% 1.25rem, 100% 100%, 0 100%);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.8rem 1.4rem;
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  border: 0;
  cursor: pointer;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 0.8rem) 0, 100% 0.8rem, 100% 100%, 0.8rem 100%, 0 calc(100% - 0.8rem));
  transition: filter 0.2s ease, background 0.2s ease;
}

.btn:hover {
  filter: brightness(1.08);
}

.btn:active {
  filter: brightness(0.96);
}

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

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--color-gold);
  color: var(--color-ink);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1;
  padding: 0.4rem 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  clip-path: polygon(0 0, 100% 0, calc(100% - 0.4rem) 100%, 0 100%);
}

.tag--line {
  background: transparent;
  color: var(--color-primary);
  box-shadow: inset 0 0 0 1px var(--color-primary);
  clip-path: none;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0.75rem;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.eyebrow::before {
  content: "// ";
  color: var(--color-gold);
}

.chapter-number {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.9;
  color: transparent;
  -webkit-text-stroke: 2px var(--color-primary);
  user-select: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 2rem;
  font-size: 0.8rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li + li::before {
  content: "/";
  margin-inline: 0.5rem;
  color: var(--color-muted);
}

.breadcrumb a {
  color: var(--color-primary);
}

.breadcrumb [aria-current="page"] {
  color: var(--color-ink);
  font-weight: 700;
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-deep));
  clip-path: polygon(0 0, calc(100% - 1.5rem) 0, 100% 1.5rem, 100% 100%, 0 100%);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 60%, rgba(255, 215, 0, 0.12));
  pointer-events: none;
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide {
  aspect-ratio: 21 / 9;
}

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

[data-reveal] {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1100px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 899px) {
  .brand-rail {
    transform: translateX(-105%);
    transition: transform 0.28s ease;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.2);
  }

  .site-header[data-open] .brand-rail {
    transform: translateX(0);
  }

  .nav-backdrop {
    display: block;
    position: fixed;
    inset: var(--ticker-height) 0 0 0;
    background: rgba(26, 26, 26, 0.6);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
    z-index: 205;
  }

  .site-header[data-open] .nav-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-main,
  .site-footer {
    margin-left: 0;
  }
}

@media (max-width: 799px) {
  .grid--2,
  .grid--3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .header-ticker {
    gap: 0.45rem;
    padding-inline: 0.75rem;
  }

  .ticker-label {
    display: none;
  }

  .ticker-text {
    max-width: 44vw;
  }

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

  .brand-rail {
    width: min(84vw, 300px);
    padding-inline: 1.25rem;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
    padding-top: 2.5rem;
  }

  .footer-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@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;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}