:root {
  --c-primary: #FF5A00;
  --c-primary-dark: #E04800;
  --c-secondary: #00663A;
  --c-secondary-dark: #004D2B;
  --c-gold: #FFB800;
  --c-black: #1A1A1A;
  --c-white: #FFFFFF;
  --c-gray: #F2F3F5;
  --c-error: #E02424;
  --c-info: #1E60B4;
  --c-border: rgba(26, 26, 26, 0.12);
  --font-display: "PingFang SC Heavy", "Noto Sans CJK SC", "Microsoft YaHei UI", Impact, sans-serif;
  --font-body: "PingFang SC Regular", "Noto Sans CJK SC", "Microsoft YaHei UI", system-ui, sans-serif;
  --width-shell: 1280px;
  --space-section: clamp(3rem, 6vw, 5.5rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.12);
  --ease-out: cubic-bezier(.22, .61, .36, 1);
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-black);
  background: var(--c-white);
  line-height: 1.6;
  font-size: 1rem;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  margin: 0 0 .5em;
  line-height: 1.15;
  letter-spacing: -.02em;
}

h1 { font-size: clamp(2.1rem, 4.5vw, 3.6rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a {
  color: var(--c-info);
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
}

a:hover { color: var(--c-primary); }

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

.container {
  width: min(100% - 2rem, var(--width-shell));
  margin-inline: auto;
}

.grid-duo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.section-label {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-primary);
}

.section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
}

.lede {
  font-size: 1.05rem;
  color: rgba(26, 26, 26, .75);
  max-width: 58ch;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  padding: .7rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  background: var(--c-primary);
  color: #fff;
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  text-decoration: none;
  transform: skewX(-3deg);
  transition: filter 140ms ease, transform 140ms ease;
}

.btn:hover {
  filter: brightness(.9);
  transform: skewX(-3deg) translateY(-2px);
  color: #fff;
}

.btn--secondary {
  background: var(--c-secondary);
}

.btn--ghost {
  background: transparent;
  border-color: rgba(255, 255, 255, .7);
  color: #fff;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: .25rem;
  padding: .15rem .6rem;
  border-radius: 999px;
  background: var(--c-gray);
  color: var(--c-secondary);
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.tag--live { background: var(--c-error); color: #fff; }
.tag--gold { background: var(--c-gold); color: var(--c-black); }
.tag--primary { background: var(--c-primary); color: #fff; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 160ms ease, transform 160ms ease;
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--c-gray);
  border-radius: var(--radius-sm);
}

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

.media--4-3 { aspect-ratio: 4 / 3; }
.media--portrait { aspect-ratio: 3 / 4; }
.media--gallery { aspect-ratio: 1 / 1; }

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem .6rem;
  list-style: none;
  margin: 0 0 1rem;
  padding: .9rem 0 0;
  font-size: .85rem;
}

.breadcrumb a { text-decoration: none; }

.breadcrumb li + li::before {
  content: "/";
  margin-right: .6rem;
  color: rgba(26, 26, 26, .35);
}

.site-header {
  position: relative;
  background: var(--c-secondary);
  color: #fff;
  z-index: 100;
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 22%;
  height: 100%;
  background: var(--c-primary);
  transform: skewX(-14deg);
  transform-origin: top right;
  pointer-events: none;
}

.site-header::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--c-gold);
  pointer-events: none;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: .5rem;
  z-index: 400;
  padding: .4rem .9rem;
  background: var(--c-black);
  color: #fff;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: .85rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  transform: translateY(-250%);
  transition: transform 140ms ease;
}

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

.header__chrome {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--width-shell);
  margin-inline: auto;
  padding: .7rem 1.5rem;
}

.header__brand {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  flex-wrap: wrap;
}

.brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: .7rem;
  text-decoration: none;
  color: #fff;
}

.brand-mark__logo {
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: -.03em;
  transform: skewX(-6deg);
  color: #fff;
}

.brand-mark__tagline {
  font-family: var(--font-display);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .78);
}

.header__nav {
  margin-left: auto;
}

.header__navlist {
  display: flex;
  align-items: center;
  gap: .15rem;
}

.header__navitem {
  margin: 0;
}

.header__navlink {
  display: block;
  padding: .55rem .7rem;
  font-family: var(--font-display);
  font-size: .88rem;
  font-weight: 700;
  color: rgba(255, 255, 255, .92);
  text-decoration: none;
  letter-spacing: .02em;
  text-transform: uppercase;
  transform: skewX(-4deg);
  transition: background-color 140ms ease, color 140ms ease;
}

.header__navlink:hover {
  background: rgba(255, 255, 255, .1);
  color: #fff;
}

.header__navlink[aria-current="page"] {
  background: var(--c-primary);
  color: #fff;
  box-shadow: inset 0 -3px 0 var(--c-gold);
}

.header__toggle {
  display: none;
  align-items: center;
  gap: .5rem;
  margin-left: auto;
  background: rgba(255, 255, 255, .14);
  color: #fff;
  padding: .55rem .9rem;
  border: 0;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: .82rem;
  font-weight: 700;
  cursor: pointer;
}

.header__toggle-icon {
  display: inline-block;
  width: 1.1rem;
  height: .7rem;
  border-top: 2px solid #fff;
  border-bottom: 2px solid #fff;
  position: relative;
}

.header__toggle-icon::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: #fff;
  transform: translateY(-50%);
}

.header__status {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: .45rem;
  max-width: var(--width-shell);
  margin-inline: auto;
  padding: .45rem 1.5rem .7rem;
  border-top: 1px solid rgba(255, 255, 255, .18);
  font-family: var(--font-display);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .85);
}

.header__status-dot {
  width: .5rem;
  height: .5rem;
  border-radius: 50%;
  background: var(--c-error);
  animation: live-pulse 1.8s ease-out infinite;
}

@keyframes live-pulse {
  0% { box-shadow: 0 0 0 0 rgba(224, 36, 36, .55); }
  70% { box-shadow: 0 0 0 6px rgba(224, 36, 36, 0); }
  100% { box-shadow: 0 0 0 0 rgba(224, 36, 36, 0); }
}

.site-footer {
  background: var(--c-black);
  color: rgba(255, 255, 255, .72);
  margin-top: var(--space-section);
}

.site-footer::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--c-primary) 0%, var(--c-gold) 65%, transparent 100%);
}

.footer__arena {
  max-width: var(--width-shell);
  margin-inline: auto;
  padding: 3rem 1.5rem 1.75rem;
}

.footer__brand {
  position: relative;
  display: grid;
  gap: .4rem;
  max-width: 40rem;
  padding-left: 1rem;
}

.footer__brand::before {
  content: "";
  position: absolute;
  left: 0;
  top: .15rem;
  bottom: .15rem;
  width: 4px;
  background: var(--c-primary);
}

.brand-mark__logo--footer {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  transform: skewX(-6deg);
  color: #fff;
}

.footer__trust {
  color: rgba(255, 255, 255, .55);
  max-width: 32rem;
  font-size: .95rem;
}

.footer__columns {
  display: grid;
  grid-template-columns: 1.2fr 1fr .8fr;
  gap: 2rem;
  margin-top: 2rem;
}

.footer__col {
  min-width: 0;
}

.footer__heading {
  margin: 0 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 1px solid rgba(255, 255, 255, .14);
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #fff;
  transform: skewX(-4deg);
}

.footer__list {
  display: grid;
  gap: .15rem;
}

.footer__item {
  margin: 0;
}

.footer__link {
  display: inline-block;
  padding: .25rem 0;
  color: rgba(255, 255, 255, .68);
  text-decoration: none;
  font-size: .95rem;
  transition: color 130ms ease, padding-left 130ms ease;
}

.footer__link:hover {
  color: var(--c-gold);
  padding-left: .35rem;
}

.footer__contact-list {
  display: grid;
  gap: .45rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__contact-item {
  font-size: .92rem;
  line-height: 1.45;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .75rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, .1);
  color: rgba(255, 255, 255, .4);
  font-size: .85rem;
}

.footer__copyright { margin: 0; }
.footer__icp { margin: 0; }

.site-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(26, 26, 26, .18);
  z-index: 300;
  pointer-events: none;
}

.site-progress__bar {
  display: block;
  width: var(--progress-value, 0%);
  height: 100%;
  background: linear-gradient(90deg, var(--c-primary), var(--c-gold));
  box-shadow: 0 0 8px rgba(255, 184, 0, .65);
}

@media (max-width: 860px) {
  .header__chrome {
    flex-wrap: wrap;
  }

  .header__nav {
    flex-basis: 100%;
    margin-left: 0;
    order: 3;
  }

  .header__navlist {
    flex-wrap: wrap;
  }

  .header__navitem {
    flex: 1 1 50%;
  }

  .header__navlink {
    transform: none;
  }

  .js-nav .header__toggle {
    display: inline-flex;
    margin-left: auto;
  }

  .js-nav .header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-basis: auto;
    order: 0;
    margin: 0;
    background: var(--c-secondary-dark);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: max-height 220ms ease, opacity 160ms ease, visibility 160ms ease;
    box-shadow: 0 14px 24px rgba(0, 0, 0, .18);
  }

  .js-nav .header__nav[data-open] {
    max-height: 65vh;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  .js-nav .header__navlist {
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    padding: .75rem 1rem 1.25rem;
    gap: 0;
  }

  .js-nav .header__navitem {
    flex: none;
  }

  .js-nav .header__navlink {
    padding: .8rem .75rem;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
  }

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

@media (max-width: 560px) {
  .brand-mark__tagline {
    display: none;
  }

  .header__status-text {
    display: none;
  }

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

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

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

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}