:root {
  --color-paper: #F5F2EB;
  --color-ink: #1A1D26;
  --color-orange: #FF6B35;
  --color-red: #E63946;
  --color-slate: #3A506B;
  --color-gold: #C9A227;
  --color-card: #FDFCFA;
  --color-green: #2B5A4A;
  --font-title: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", "Menlo", "Consolas", "Liberation Mono", monospace;
  --container-width: 1200px;
  --radius: 6px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 0.2s ease;
  --transition-base: 0.35s var(--ease-out);
}

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

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

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--color-ink);
  background-color: var(--color-paper);
  background-image: radial-gradient(rgba(26, 29, 38, 0.025) 1px, transparent 1px);
  background-size: 28px 28px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection {
  background: var(--color-orange);
  color: var(--color-ink);
}

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

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

ul {
  list-style: none;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

button {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

h1, h2, h3 {
  font-family: var(--font-title);
  font-weight: 900;
  line-height: 1.25;
  color: var(--color-ink);
}

h1 {
  font-size: clamp(32px, 5vw, 42px);
}

h2 {
  font-size: clamp(24px, 3vw, 32px);
}

h3 {
  font-size: clamp(18px, 2vw, 24px);
}

p {
  margin-bottom: 1em;
}

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

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.skip-link {
  position: fixed;
  top: -100%;
  left: 16px;
  z-index: 200;
  background: var(--color-orange);
  color: var(--color-ink);
  font-weight: 700;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 0 0 4px 4px;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

.section {
  padding: 80px 0;
  border-bottom: 1px solid rgba(26, 29, 38, 0.06);
}

.section--dark {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.85);
}

.section__head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 40px;
}

.section__index {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--color-orange);
}

.section__title {
  font-size: 32px;
  margin: 0;
}

.section--dark .section__title {
  color: var(--color-paper);
}

.section__desc {
  max-width: 640px;
  color: var(--color-slate);
}

.section--dark .section__desc {
  color: rgba(255, 255, 255, 0.7);
}

.coordinate {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--color-orange);
  background: rgba(255, 107, 53, 0.08);
  border-left: 3px solid var(--color-orange);
  padding: 4px 12px;
  border-radius: 0 4px 4px 0;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 15px;
  line-height: 1;
  padding: 15px 30px;
  border-radius: 2px;
  border: 2px solid transparent;
  position: relative;
  white-space: nowrap;
  text-decoration: none;
  transition: transform 0.2s var(--ease-out), background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  --btn-notch: 10px;
  background: var(--color-orange);
  color: var(--color-ink);
  clip-path: polygon(var(--btn-notch) 0, 100% 0, calc(100% - var(--btn-notch)) 100%, 0 100%);
}

.btn--primary:hover {
  background: #f05a24;
  box-shadow: 0 8px 20px rgba(255, 107, 53, 0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-ink);
}

.btn--outline:hover {
  background: var(--color-ink);
  color: var(--color-paper);
}

.btn--ghost {
  background: transparent;
  color: var(--color-paper);
  border-color: rgba(255, 255, 255, 0.5);
}

.btn--ghost:hover {
  border-color: var(--color-paper);
  color: var(--color-orange);
}

.btn--compact {
  --btn-notch: 7px;
  padding: 9px 20px;
  font-size: 14px;
}

.breadcrumb {
  margin-bottom: 24px;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-slate);
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: var(--color-orange);
  font-weight: 700;
}

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

.breadcrumb__current {
  color: var(--color-ink);
  font-weight: 600;
}

.card {
  background: var(--color-card);
  border: 1px solid rgba(26, 29, 38, 0.08);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: 0 2px 8px rgba(26, 29, 38, 0.06);
  transition: transform 0.3s var(--ease-out), box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(26, 29, 38, 0.1);
}

.img-frame {
  position: relative;
  overflow: hidden;
  border-radius: 2px;
  background: var(--color-slate);
  aspect-ratio: 4 / 3;
}

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

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

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  padding: 0;
  margin: 0;
  list-style: none;
}

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

.legend__swatch {
  width: 10px;
  height: 4px;
  border-radius: 2px;
  background: var(--color-orange);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-ink);
  color: #fff;
  box-shadow: 0 4px 24px rgba(26, 29, 38, 0.18);
}

.status-bar {
  background: var(--color-ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.75);
}

.status-bar__inner {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 6px;
  padding-bottom: 6px;
}

.status-bar__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
  animation: dot-pulse 2s ease-in-out infinite;
}

.status-bar__text {
  letter-spacing: 0.04em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.status-bar__meta {
  margin-left: auto;
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.08em;
  font-size: 11px;
}

.nav-bar {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.nav-bar__inner {
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}

.brand__name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.08em;
  color: var(--color-paper);
  white-space: nowrap;
}

.brand__cursor {
  display: inline-block;
  width: 8px;
  height: 18px;
  background: var(--color-orange);
  animation: cursor-blink 1.1s steps(2, start) infinite;
}

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 8px 12px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-nav__link:hover {
  color: var(--color-orange);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 2px;
  height: 2px;
  background: var(--color-orange);
  transform: scaleX(0.3) skewX(-20deg);
  opacity: 0;
  transition: transform 0.25s var(--ease-out), opacity 0.25s ease;
}

.site-nav__link:hover::after {
  transform: scaleX(1) skewX(-20deg);
  opacity: 1;
}

.site-nav__link[aria-current="page"] {
  color: var(--color-orange);
}

.site-nav__link[aria-current="page"]::before {
  content: "/";
  margin-right: 4px;
  color: var(--color-orange);
  font-family: var(--font-mono);
  font-weight: 700;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 4px;
  transition: all var(--transition-fast);
}

.nav-btn:hover {
  color: var(--color-orange);
  border-color: var(--color-orange);
}

.nav-btn__icon {
  display: block;
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  transition: border-color var(--transition-fast);
}

.nav-toggle:hover {
  border-color: var(--color-orange);
}

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-paper);
  transition: transform 0.3s var(--ease-out), opacity 0.3s ease;
}

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

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

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

.scroll-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--color-orange), var(--color-red));
  z-index: 10;
}

.hero {
  position: relative;
  border-bottom: 1px solid rgba(26, 29, 38, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.35) 0%, transparent 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  gap: 64px;
  align-items: center;
  padding-top: 88px;
  padding-bottom: 88px;
}

.hero__content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--color-orange);
  text-transform: uppercase;
  margin-bottom: 16px;
}

.hero__title {
  font-size: clamp(32px, 5vw, 44px);
  line-height: 1.2;
  margin-bottom: 16px;
}

.hero__lead {
  max-width: 480px;
  color: var(--color-slate);
  font-size: 17px;
  line-height: 1.8;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 32px;
}

.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}

.score-panel {
  position: relative;
  width: 100%;
  max-width: 520px;
  background: linear-gradient(135deg, #1A1D26 0%, #232a38 100%);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 24px;
  overflow: hidden;
  box-shadow: 0 24px 48px rgba(26, 29, 38, 0.25);
  font-family: var(--font-mono);
  color: var(--color-paper);
}

.score-panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-orange), var(--color-red) 60%, var(--color-gold));
}

.score-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 150px;
  height: 150px;
  background: repeating-linear-gradient(-55deg, transparent 0 6px, rgba(255, 107, 53, 0.09) 6px 8px);
  transform: rotate(-8deg);
  pointer-events: none;
}

.score-panel__head {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.score-panel__live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-red);
}

.score-panel__pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-red);
  animation: pulse-dot 1.6s ease-in-out infinite;
}

.score-panel__round {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.45);
}

.score-panel__match {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.score-panel__team {
  flex: 1;
  text-align: center;
}

.score-panel__team-abbr {
  display: block;
  font-size: 24px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-paper);
}

.score-panel__team-label {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

.score-panel__score {
  font-size: 44px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-orange);
  letter-spacing: 0.04em;
  padding: 0 16px;
}

.score-panel__footer {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 16px;
  padding-top: 16px;
}

.score-panel__stat {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.04em;
}

.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.75);
  font-family: var(--font-body);
  margin-top: 80px;
}

.footer-top {
  padding: 56px 0 40px;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 48px;
}

.footer-brand__name {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.08em;
  color: var(--color-paper);
  margin-bottom: 12px;
}

.footer-brand__cursor {
  color: var(--color-orange);
}

.footer-brand__tagline {
  max-width: 340px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-gold);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-col__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col__link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  transition: color var(--transition-fast), padding-left 0.2s ease;
}

.footer-col__link:hover {
  color: var(--color-orange);
  padding-left: 4px;
}

.footer-contact {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
}

.footer-contact__inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.footer-contact__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.footer-contact__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

.footer-contact__value {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.5;
  word-break: break-all;
}

.footer-bottom__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 24px 0;
}

.footer-shield {
  width: 15px;
  height: 16px;
  background: var(--color-gold);
  clip-path: polygon(50% 0, 100% 20%, 86% 78%, 50% 100%, 14% 78%, 0 20%);
  flex-shrink: 0;
}

.footer-copyright {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

.footer-icp {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
  margin-left: auto;
  transition: color var(--transition-fast);
}

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

.js [data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}

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

@keyframes pulse-dot {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.4);
  }
  50% {
    opacity: 0.6;
    box-shadow: 0 0 0 4px rgba(230, 57, 70, 0);
  }
}

@keyframes dot-pulse {
  0%, 100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.4);
  }
  50% {
    opacity: 0.7;
    box-shadow: 0 0 0 4px rgba(201, 162, 39, 0);
  }
}

@keyframes cursor-blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0;
  }
}

@media (max-width: 900px) {
  .container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .nav-bar__inner {
    min-height: 56px;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-ink);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    padding: 16px 20px 24px;
    margin-left: 0;
    box-shadow: 0 16px 24px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    pointer-events: none;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .site-nav__link {
    display: block;
    padding: 12px 0;
    font-size: 17px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }

  .site-nav__link::after {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .hero__lead {
    max-width: 100%;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-top: 40px;
  }

  .footer-links {
    gap: 24px;
  }

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

@media (max-width: 600px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .brand__name {
    font-size: 16px;
  }

  .nav-actions {
    gap: 8px;
  }

  .nav-btn {
    width: 36px;
    height: 36px;
  }

  .footer-links {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .footer-bottom__inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 0;
  }

  .footer-icp {
    margin-left: 0;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .section {
    padding: 56px 0;
  }
}

@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;
  }

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