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

html {
  scroll-behavior: smooth;
}

html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
figure,
blockquote,
dl,
dd {
  margin: 0;
}

ul[class],
ol[class] {
  list-style: none;
  margin: 0;
  padding: 0;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

:root {
  --navy: #0A1D3C;
  --rockey: #6B6B6B;
  --moss: #4A6A3A;
  --terra: #A64B2E;
  --cream: #F5EFE4;
  --orange: #E05A2B;
  --lime: #B8E146;
  --graphite: #1A1A1A;
  --mist: #8A9FB5;
  --gutter: clamp(20px, 4vw, 48px);
  --font-head: 'Noto Sans SC Black', 'Source Han Sans SC Heavy', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-ser: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', serif;
  --font-num: 'Roboto Mono', 'SFMono-Regular', Consolas, 'Courier New', monospace;
}

body {
  min-height: 100vh;
  background-color: var(--cream);
  background-image:
    repeating-linear-gradient(to right, rgba(10, 29, 60, 0.025) 0, rgba(10, 29, 60, 0.025) 1px, transparent 1px, transparent 80px),
    repeating-linear-gradient(to bottom, rgba(10, 29, 60, 0.02) 0, rgba(10, 29, 60, 0.02) 1px, transparent 1px, transparent 64px);
  color: var(--graphite);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4 {
  color: var(--navy);
  font-family: var(--font-head);
  font-weight: 900;
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
}

h2 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h3 {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
}

h4 {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
}

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

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

::selection {
  background: var(--lime);
  color: var(--navy);
}

:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-main {
  position: relative;
  min-height: 62vh;
}

#main-content {
  scroll-margin-top: 92px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: fixed;
  top: -80px;
  left: var(--gutter);
  z-index: 300;
  padding: 12px 24px;
  background: var(--lime);
  border: 2px solid var(--navy);
  box-shadow: 4px 4px 0 rgba(10, 29, 60, 0.35);
  color: var(--navy);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 12px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: var(--navy);
  transition: box-shadow 0.2s ease;
}

.site-header[data-scrolled] {
  box-shadow: 0 10px 30px rgba(10, 29, 60, 0.35);
}

.header-strip {
  height: 4px;
  background: linear-gradient(90deg, var(--lime) 0 22%, var(--orange) 22% 30%, transparent 30% 100%);
}

.header-shell {
  position: relative;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 12px;
  min-height: 72px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  text-decoration: none;
}

.brand-sigil {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  background: var(--orange);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand-sigil::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  background: var(--lime);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.brand-text {
  display: block;
  line-height: 1.15;
}

.brand-name {
  display: block;
  color: var(--cream);
  font-family: var(--font-head);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0.1em;
}

.brand-claim {
  display: block;
  margin-top: 2px;
  color: var(--lime);
  font-family: var(--font-ser);
  font-size: 11px;
  letter-spacing: 0.24em;
}

.site-nav {
  margin-left: 0;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  position: relative;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  padding: 10px 12px;
  color: rgba(245, 239, 228, 0.88);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.15s ease;
}

.nav-index {
  margin-right: 6px;
  font-family: var(--font-num);
  font-size: 10px;
  color: var(--orange);
  vertical-align: 1px;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 4px;
  height: 2px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease;
}

.nav-link:hover,
.nav-link:focus-visible,
.nav-link[aria-current="page"] {
  color: var(--lime);
}

.nav-link:hover::after,
.nav-link:focus-visible::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] {
  font-weight: 700;
}

.nav-link[aria-current="page"]::before {
  content: '';
  position: absolute;
  top: 2px;
  left: 50%;
  width: 5px;
  height: 5px;
  background: var(--lime);
  transform: translateX(-50%) rotate(45deg);
}

.header-meta {
  display: none;
  align-items: center;
  gap: 14px;
  margin-left: auto;
  padding-left: 18px;
  border-left: 1px solid rgba(138, 159, 181, 0.3);
  color: var(--mist);
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.06em;
  white-space: nowrap;
}

.meta-email,
.meta-coord {
  display: none;
}

.meta-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--lime);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 8px rgba(184, 225, 70, 0.8);
  animation: pulse-dot 2.4s ease-in-out infinite;
}

@keyframes pulse-dot {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }

  50% {
    opacity: 0.55;
    transform: scale(0.8);
  }
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  padding: 10px;
  margin-left: auto;
  border: 2px solid rgba(245, 239, 228, 0.5);
  border-radius: 2px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  border-color: var(--lime);
  box-shadow: 0 0 12px rgba(184, 225, 70, 0.35);
}

.nav-toggle-line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--cream);
  transition: transform 0.2s ease, opacity 0.2s ease, background 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line {
  background: var(--lime);
}

.scroll-progress {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 60;
  height: 3px;
  background: var(--lime);
  box-shadow: 0 0 12px rgba(184, 225, 70, 0.55);
  transform: scaleX(0);
  transform-origin: left center;
  pointer-events: none;
}

.hero,
.page-hero {
  position: relative;
  padding-block: clamp(48px, 9vw, 120px);
  overflow: hidden;
}

.section {
  position: relative;
  padding-block: clamp(40px, 7vw, 96px);
}

.section--compact {
  padding-block: clamp(24px, 4vw, 48px);
}

.content {
  max-width: 72ch;
}

.prose {
  max-width: 72ch;
  font-size: 16px;
  line-height: 1.85;
}

.prose > * + * {
  margin-top: 1.1em;
}

.prose h2,
.prose h3 {
  margin-top: 1.8em;
}

.prose ul,
.prose ol {
  padding-left: 1.4em;
}

.prose li + li {
  margin-top: 0.35em;
}

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

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--terra);
  text-transform: uppercase;
}

.kicker::before {
  content: '';
  flex: 0 0 auto;
  width: 28px;
  height: 2px;
  background: var(--orange);
}

.section-title {
  margin-top: 12px;
  color: var(--navy);
  font-family: var(--font-head);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 18px 0;
  list-style: none;
  font-size: 13px;
  color: var(--rockey);
}

.breadcrumb a {
  color: var(--rockey);
  text-decoration: none;
  transition: color 0.15s ease;
}

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

.breadcrumb li + li::before {
  content: '/';
  margin-right: 12px;
  color: var(--mist);
}

.breadcrumb [aria-current="page"] {
  color: var(--navy);
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  background: var(--orange);
  border: 2px solid var(--graphite);
  box-shadow: 5px 5px 0 var(--navy);
  color: var(--cream);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
  text-decoration: none;
  transition: background 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.btn:hover,
.btn:focus-visible {
  background: var(--terra);
  box-shadow: 2px 2px 0 var(--navy);
  color: var(--cream);
  transform: translate(3px, 3px);
}

.btn:active {
  box-shadow: none;
  transform: translate(5px, 5px);
}

.btn--lime {
  background: var(--lime);
  border-color: var(--navy);
  box-shadow: 5px 5px 0 var(--navy);
  color: var(--navy);
}

.btn--lime:hover,
.btn--lime:focus-visible {
  background: #c8ec63;
  box-shadow: 2px 2px 0 var(--navy);
  color: var(--navy);
  transform: translate(3px, 3px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--navy);
  box-shadow: 5px 5px 0 rgba(10, 29, 60, 0.25);
  color: var(--navy);
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--cream);
  box-shadow: 2px 2px 0 rgba(10, 29, 60, 0.25);
  color: var(--navy);
  transform: translate(3px, 3px);
}

.tag,
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: var(--cream);
  border: 2px solid var(--navy);
  border-radius: 0;
  color: var(--navy);
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
}

.tag:hover,
.filter-btn:hover,
.tag[data-active],
.filter-btn[data-active] {
  background: var(--navy);
  color: var(--cream);
}

.filter-btn[data-active] {
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(184, 225, 70, 0.35);
}

.filter-btn:active,
.tag:active {
  transform: translateY(2px);
  box-shadow: 0 0 14px rgba(184, 225, 70, 0.45);
}

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

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

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

.grid--4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.data-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border: 1px solid rgba(10, 29, 60, 0.35);
  background: rgba(245, 239, 228, 0.8);
  font-family: var(--font-num);
  font-size: 14px;
  color: var(--navy);
  white-space: nowrap;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--rockey);
}

.legend-swatch {
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 1px solid rgba(26, 26, 26, 0.3);
}

.legend-swatch--orange {
  background-color: var(--orange);
}

.legend-swatch--lime {
  background-color: var(--lime);
}

.legend-swatch--moss {
  background-color: var(--moss);
}

.legend-swatch--mist {
  background-color: var(--mist);
}

.legend-swatch--terra {
  background-color: var(--terra);
}

.media {
  position: relative;
  overflow: hidden;
  background: var(--mist);
  aspect-ratio: 4 / 3;
}

.media--wide {
  aspect-ratio: 16 / 9;
}

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

.media--square {
  aspect-ratio: 1 / 1;
}

.media::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background:
    repeating-linear-gradient(135deg, rgba(10, 29, 60, 0.06) 0 6px, transparent 6px 18px),
    linear-gradient(135deg, var(--mist) 0%, var(--cream) 100%);
}

.media img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.site-footer {
  position: relative;
  overflow: hidden;
  background: var(--navy);
  color: var(--cream);
}

.site-footer::after {
  content: '亚星赛事';
  position: absolute;
  right: -0.02em;
  bottom: -0.16em;
  z-index: 0;
  color: rgba(184, 225, 70, 0.05);
  -webkit-text-stroke: 1px rgba(184, 225, 70, 0.12);
  font-family: var(--font-head);
  font-size: clamp(90px, 16vw, 220px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.02em;
  white-space: nowrap;
  pointer-events: none;
}

.footer-strip {
  position: relative;
  z-index: 1;
  display: flex;
  height: 8px;
}

.footer-strip-dash--orange {
  flex: 3;
  background: var(--orange);
}

.footer-strip-dash--lime {
  flex: 1;
  background: var(--lime);
}

.footer-strip-dash--cream {
  flex: 5;
  background: var(--cream);
}

.footer-main {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 5fr 2fr 5fr;
  gap: clamp(28px, 5vw, 72px);
  padding-block: clamp(44px, 7vw, 84px);
}

.footer-brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.footer-brand-name {
  color: var(--cream);
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.footer-tagline {
  margin-top: 18px;
  color: var(--lime);
  font-size: 14px;
  letter-spacing: 0.06em;
}

.footer-note {
  margin-top: 12px;
  max-width: 52ch;
  color: rgba(245, 239, 228, 0.55);
  font-size: 12px;
  line-height: 1.8;
}

.footer-heading {
  margin-bottom: 18px;
  color: var(--mist);
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.footer-link-list {
  display: grid;
  gap: 12px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-link-list a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: rgba(245, 239, 228, 0.82);
  font-size: 14px;
  text-decoration: none;
  transition: color 0.15s ease, transform 0.15s ease;
}

.footer-link-list a::before {
  content: '';
  flex: 0 0 auto;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

.footer-link-list a:hover,
.footer-link-list a:focus-visible {
  color: var(--lime);
  transform: translateX(4px);
}

.footer-contact-line {
  color: rgba(245, 239, 228, 0.75);
  font-size: 14px;
  line-height: 1.9;
}

.footer-bottom {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(138, 159, 181, 0.24);
  padding-block: 20px 30px;
}

.footer-bottom-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
}

.footer-copy,
.footer-icp {
  color: var(--mist);
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.06em;
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

html.js [data-reveal].is-revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 1024px) {
  body::before,
  body::after {
    content: '';
    position: fixed;
    top: 0;
    bottom: 0;
    width: 6px;
    z-index: 200;
    pointer-events: none;
  }

  body::before {
    left: 0;
    background: linear-gradient(to bottom, var(--navy) 0 9%, var(--lime) 9% 9.6%, var(--navy) 9.6% 100%);
  }

  body::after {
    right: 0;
    background: linear-gradient(to bottom, var(--orange) 0 11%, var(--lime) 11% 12%, var(--navy) 12% 100%);
  }

  .brand-lockup {
    padding-right: 14px;
    border-right: 1px solid rgba(138, 159, 181, 0.3);
  }

  .header-meta {
    display: flex;
  }
}

@media (min-width: 1280px) {
  .meta-email,
  .meta-coord {
    display: inline;
  }
}

@media (max-width: 1023px) {
  .header-shell {
    min-height: 64px;
  }

  .header-meta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 50;
    margin-left: 0;
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    background: var(--navy);
    border-top: 2px solid var(--lime);
    box-shadow: 0 30px 40px -18px rgba(10, 29, 60, 0.6);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s;
  }

  .site-nav[data-open] {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-list {
    display: grid;
    gap: 0;
    padding: 8px 20px 20px;
  }

  .nav-item + .nav-item {
    border-top: 1px solid rgba(138, 159, 181, 0.2);
  }

  .nav-link {
    display: flex;
    align-items: baseline;
    padding: 14px 4px;
    color: rgba(245, 239, 228, 0.9);
  }

  .nav-link::after {
    display: none;
  }

  .nav-link[aria-current="page"]::before {
    top: 50%;
    left: -10px;
    transform: translateY(-50%) rotate(45deg);
  }
}

@media (max-width: 960px) {
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }

  html.js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}