:root {
  --c-deep: #0B1F3A;
  --c-ink: #060D18;
  --c-panel: #1E2A3A;
  --c-lime: #39FF14;
  --c-orange: #FF6B35;
  --c-white: #FFFFFF;
  --c-muted: #A0B0C0;
  --c-teal: #00A8A8;
  --c-alert: #FF3355;
  --font-head: "DIN Condensed", "Arial Narrow", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif;
  --font-data: "Roboto Mono", "Courier New", monospace;
  --container-width: 1240px;
  --radius-cut: 8px 20px 8px 20px;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.36);
  --ease: cubic-bezier(0.22, 0.68, 0.37, 1);
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--c-deep);
  background-image:
    linear-gradient(rgba(160, 176, 192, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(160, 176, 192, 0.045) 1px, transparent 1px);
  background-size: 44px 44px;
  color: var(--c-white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
}

h1,
h2,
h3,
h4,
p,
ul,
ol,
dl,
figure,
blockquote {
  margin: 0 0 1rem;
}

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

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

a {
  color: var(--c-lime);
  text-decoration: none;
}

button {
  font: inherit;
  color: inherit;
}

[hidden] {
  display: none !important;
}

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

#main-content {
  width: 100%;
  flex: 1 0 auto;
  outline: none;
}

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--c-lime);
  outline-offset: 4px;
  border-radius: 4px;
}

.site-header {
  position: relative;
  z-index: 100;
  background: rgba(11, 31, 58, 0.96);
  border-bottom: 3px solid var(--c-ink);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--c-lime) 0 36%, var(--c-orange) 36% 72%, transparent 72%);
  pointer-events: none;
}

.header-inner {
  position: relative;
  width: min(100%, var(--container-width));
  margin-inline: auto;
  padding: 18px 24px 14px;
}

.header-masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  width: 100%;
}

.brand-lockup {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-self: center;
  grid-column: 2;
  line-height: 1.05;
  text-decoration: none;
  transition: opacity 0.25s;
}

.brand-lockup:hover {
  opacity: 0.82;
}

.brand-word {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(36px, 5vw, 48px);
  letter-spacing: 0.06em;
  color: var(--c-lime);
  text-transform: uppercase;
  text-shadow: 4px 4px 0 rgba(255, 107, 53, 0.28);
}

.brand-sub {
  margin-top: 4px;
  font-family: var(--font-data);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.nav-toggle {
  grid-column: 3;
  justify-self: end;
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid rgba(160, 176, 192, 0.24);
  border-radius: 10px 2px 10px 2px;
  background: rgba(30, 42, 58, 0.72);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s;
}

.nav-toggle:hover {
  border-color: var(--c-lime);
  background: rgba(57, 255, 20, 0.08);
}

.nav-toggle-line {
  display: block;
  width: 22px;
  height: 2px;
  margin: 3px 0;
  background: var(--c-white);
  transition: transform 0.25s var(--ease), background 0.25s;
}

.nav-toggle[data-open] .nav-toggle-line {
  background: var(--c-lime);
}

.nav-toggle[data-open] .nav-toggle-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[data-open] .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle[data-open] .nav-toggle-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.header-divider {
  position: relative;
  height: 2px;
  margin: 6px 0 0;
  background: linear-gradient(90deg, transparent, rgba(160, 176, 192, 0.24) 24%, rgba(160, 176, 192, 0.24) 76%, transparent);
}

.header-divider::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -4px;
  width: 96px;
  height: 8px;
  transform: translateX(-50%) skewX(-25deg);
  background: linear-gradient(90deg, var(--c-lime) 0 45%, var(--c-orange) 45% 100%);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.site-nav {
  position: relative;
  width: 100%;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(18px, 3.4vw, 44px);
  padding: 12px 0 2px;
}

.nav-item {
  margin: 0;
}

.nav-link {
  position: relative;
  display: inline-block;
  padding: 10px 2px 8px;
  font-family: var(--font-head);
  font-size: 19px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-white);
  border-bottom: 2px solid transparent;
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}

.nav-link::after {
  content: "//";
  position: absolute;
  right: -15px;
  top: 10px;
  font-family: var(--font-data);
  font-size: 10px;
  color: var(--c-orange);
  opacity: 0.55;
}

.nav-item:last-child .nav-link::after {
  display: none;
}

.nav-link:hover {
  color: var(--c-lime);
  border-bottom-color: var(--c-lime);
  transform: translateY(-2px);
}

.nav-link[aria-current="page"] {
  color: var(--c-lime);
  border-bottom-color: var(--c-orange);
}

.nav-link[aria-current="page"]::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -4px;
  height: 2px;
  background: var(--c-orange);
}

.data-ticker {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-top: 14px;
  padding: 8px 14px;
  background: rgba(30, 42, 58, 0.72);
  border-left: 3px solid var(--c-orange);
  border-radius: 0 10px 10px 0;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-muted);
  overflow: hidden;
}

.live-dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-lime);
  box-shadow: 0 0 14px rgba(57, 255, 20, 0.9);
  animation: livePulse 1.7s infinite ease-in-out;
}

.ticker-label {
  flex: 0 0 auto;
  color: var(--c-lime);
  font-weight: 700;
}

.ticker-message {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@keyframes livePulse {
  0%,
  100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.45;
    transform: scale(0.78);
  }
}

.site-footer {
  position: relative;
  margin-top: auto;
  background: var(--c-ink);
  color: var(--c-muted);
}

.site-footer::after {
  content: "XUNJI / HUA SPORTS";
  position: absolute;
  right: 12px;
  bottom: 8px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: rgba(160, 176, 192, 0.12);
  pointer-events: none;
}

.footer-accent {
  height: 4px;
  background: linear-gradient(90deg, var(--c-lime) 0 30%, var(--c-orange) 30% 64%, var(--c-panel) 64%);
}

.footer-inner {
  width: min(100%, var(--container-width));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  padding: 56px 24px 40px;
}

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

.brand-lockup--footer {
  align-items: flex-start;
}

.brand-lockup--footer .brand-word {
  font-size: 32px;
  text-shadow: 3px 3px 0 rgba(255, 107, 53, 0.25);
}

.footer-statement {
  margin-top: 20px;
  max-width: 44ch;
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.8;
}

.footer-wordmark {
  margin-top: auto;
  padding-top: 24px;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--c-orange);
  text-transform: uppercase;
}

.footer-col {
  min-width: 0;
}

.footer-heading {
  margin: 0 0 14px;
  font-family: var(--font-head);
  font-size: 18px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-white);
}

.footer-heading::before {
  content: "// ";
  color: var(--c-orange);
}

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

.footer-link {
  display: inline-flex;
  align-items: center;
  color: var(--c-muted);
  font-size: 15px;
  transition: color 0.25s, transform 0.25s;
}

.footer-link:hover {
  color: var(--c-lime);
  transform: translateX(4px);
}

.footer-contact {
  margin-top: 18px;
}

.footer-contact-item {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-muted);
}

.footer-contact-item::before {
  content: "// ";
  color: var(--c-orange);
  font-family: var(--font-data);
}

.footer-meta {
  border-top: 1px solid rgba(160, 176, 192, 0.14);
}

.footer-meta-inner {
  width: min(100%, var(--container-width));
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 18px 24px 22px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: rgba(160, 176, 192, 0.72);
}

.copyright {
  margin: 0;
}

.icp {
  margin: 0;
}

.container {
  width: min(100%, var(--container-width));
  margin-inline: auto;
  padding-inline: 24px;
}

.section {
  padding-block: clamp(56px, 9vw, 104px);
}

.section--tight {
  padding-block: 32px;
}

.section-head {
  max-width: 760px;
  margin-bottom: 36px;
}

.section-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(34px, 5vw, 56px);
  line-height: 0.95;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--c-white);
}

.section-lead {
  margin-top: 14px;
  color: var(--c-muted);
  max-width: 64ch;
}

.meta-label {
  display: inline-block;
  margin-bottom: 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-orange);
}

.meta-label::before {
  content: "// ";
}

.data-number {
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(28px, 5vw, 52px);
  line-height: 1;
  color: var(--c-white);
}

.data-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid rgba(57, 255, 20, 0.32);
  background: rgba(57, 255, 20, 0.08);
  color: var(--c-lime);
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  border-radius: 2px 10px 2px 10px;
}

.stat-line {
  position: relative;
  padding-left: 20px;
}

.stat-line::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 5px;
  background: linear-gradient(to bottom, var(--c-lime), var(--c-orange));
  transform: skewX(-18deg);
}

.panel {
  position: relative;
  background: var(--c-panel);
  border-radius: 12px 24px 12px 24px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid rgba(160, 176, 192, 0.14);
  box-shadow: var(--shadow);
}

.panel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 68px;
  height: 4px;
  background: var(--c-lime);
  clip-path: polygon(0 0, 100% 0, calc(100% - 8px) 100%, 0 100%);
}

.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));
}

.bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}

.bento__item {
  grid-column: span 4;
  min-height: 180px;
  position: relative;
  overflow: hidden;
  padding: 24px;
  background: var(--c-panel);
  border: 1px solid rgba(160, 176, 192, 0.12);
  border-radius: var(--radius-cut);
}

.bento__item--wide {
  grid-column: span 6;
}

.bento__item--tall {
  grid-row: span 2;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-button {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: transparent;
  border: 1px solid rgba(160, 176, 192, 0.28);
  border-radius: 2px 12px 2px 12px;
  color: var(--c-muted);
  font-family: var(--font-head);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s;
}

.filter-button:hover {
  border-color: var(--c-lime);
  color: var(--c-lime);
  transform: translateY(-1px);
}

.filter-button[aria-pressed="true"],
.filter-button[data-active] {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-ink);
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(135deg, var(--c-deep), var(--c-panel));
  border-radius: 6px 18px 6px 18px;
  transform: skewX(-0.6deg);
}

.media-frame::before {
  content: "";
  display: block;
  padding-top: 56.25%;
}

.media-frame--square::before {
  padding-top: 100%;
}

.media-frame--portrait::before {
  padding-top: 125%;
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.media-frame:hover img {
  transform: scale(1.04);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.18) 0%, transparent 42%);
  mix-blend-mode: screen;
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-lime);
}

.link-arrow::after {
  content: "→";
  transition: transform 0.3s var(--ease);
}

.link-arrow:hover::after {
  transform: translateX(5px);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 0;
  margin: 0 0 28px;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--c-muted);
}

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

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--c-orange);
}

.breadcrumb a {
  color: var(--c-muted);
  transition: color 0.25s;
}

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

.breadcrumb [aria-current="page"] {
  color: var(--c-white);
}

.page-header {
  position: relative;
  overflow: hidden;
  padding: 68px 0 36px;
  background: linear-gradient(135deg, rgba(6, 13, 24, 0.94), rgba(11, 31, 58, 0.72));
  border-bottom: 1px solid rgba(160, 176, 192, 0.16);
}

.page-header::after {
  content: "TRACE";
  position: absolute;
  right: 16px;
  bottom: -18px;
  font-family: var(--font-data);
  font-size: clamp(72px, 14vw, 140px);
  color: rgba(160, 176, 192, 0.06);
  letter-spacing: 0.15em;
  pointer-events: none;
}

.page-title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(40px, 7vw, 72px);
  line-height: 0.92;
  text-transform: uppercase;
  color: var(--c-white);
}

.page-lead {
  margin-top: 14px;
  max-width: 72ch;
  color: var(--c-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 22px;
  background: var(--c-lime);
  color: var(--c-ink);
  font-family: var(--font-head);
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--c-lime);
  border-radius: 2px 14px 2px 14px;
  box-shadow: 0 8px 24px rgba(57, 255, 20, 0.18);
  cursor: pointer;
  transition: background 0.25s, color 0.25s, border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}

.btn:hover {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #fff;
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--c-lime);
  box-shadow: none;
}

.btn--ghost:hover {
  background: var(--c-lime);
  color: var(--c-ink);
}

.btn--orange {
  background: var(--c-orange);
  border-color: var(--c-orange);
  color: #fff;
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.2);
}

.btn--orange:hover {
  background: var(--c-lime);
  border-color: var(--c-lime);
  color: var(--c-ink);
}

.visually-hidden {
  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: 12px;
  left: 12px;
  z-index: 2000;
  padding: 10px 16px;
  background: var(--c-lime);
  color: var(--c-ink);
  font-family: var(--font-head);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-radius: 0 10px 0 10px;
  transform: translateY(-220%);
  transition: transform 0.25s var(--ease);
}

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

[data-reveal] {
  opacity: 0;
  transform: translateY(22px) skewY(0.6deg);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}

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

@media (max-width: 920px) {
  .header-inner {
    padding: 14px 18px 10px;
  }

  .brand-word {
    font-size: 34px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 110;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    background: linear-gradient(180deg, rgba(6, 13, 24, 0.98), rgba(11, 31, 58, 0.98));
    border-top: 1px solid rgba(57, 255, 20, 0.25);
    border-bottom: 2px solid var(--c-orange);
    box-shadow: var(--shadow);
    transition: opacity 0.25s ease, transform 0.25s ease, max-height 0.4s ease, visibility 0.25s;
  }

  .site-nav[data-open] {
    max-height: calc(100vh - 80px);
    overflow-y: auto;
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 0 20px;
  }

  .nav-item {
    width: 100%;
    text-align: center;
    border-bottom: 1px solid rgba(160, 176, 192, 0.12);
  }

  .nav-item:last-child {
    border-bottom: 0;
  }

  .nav-link {
    display: block;
    width: 100%;
    padding: 14px 10px;
    font-size: 18px;
    border-bottom: 0;
  }

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

  .nav-link[aria-current="page"] {
    background: rgba(57, 255, 20, 0.08);
  }

  .data-ticker {
    margin-top: 10px;
  }
}

@media (max-width: 860px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 44px 20px 32px;
  }
}

@media (max-width: 980px) {
  .grid--3,
  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  .bento__item,
  .bento__item--wide {
    grid-column: 1 / -1;
  }
}

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

@media (max-width: 600px) {
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .footer-meta-inner {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }

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

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

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

  .live-dot {
    animation: none;
  }
}