:root {
  --kok-navy: #0B1B3A;
  --kok-gold: #C9A96E;
  --kok-red: #D7263D;
  --kok-fog: #F5F2EB;
  --kok-gray: #3A3A3A;
  --kok-light: #E8E8E8;
  --kok-teal: #00B4A0;
  --kok-purple: #6C4B9E;

  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", STSong, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "Fira Mono", "SFMono-Regular", Consolas, monospace;

  --header-bg: var(--kok-navy);
  --header-fg: var(--kok-fog);
  --color-bg: var(--kok-fog);
  --color-text: var(--kok-gray);
  --border-w: 3px;
  --shadow-hard: 8px 8px 0 rgba(201, 169, 110, 0.18);
  --shadow-navy: 6px 6px 0 rgba(11, 27, 58, 0.15);
  --container: 1440px;
  --container-narrow: 960px;
  color-scheme: light;
}

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

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

body {
  min-height: 100vh;
  background-color: var(--color-bg);
  background-image:
    linear-gradient(135deg, rgba(11, 27, 58, 0.035) 0%, transparent 24%),
    repeating-linear-gradient(-45deg, rgba(201, 169, 110, 0.05) 0 2px, transparent 2px 14px);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: clamp(1rem, 1.15vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-serif);
  font-weight: 900;
  line-height: 1.2;
  color: var(--kok-navy);
}

a {
  color: var(--kok-teal);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.15em;
}

a:hover {
  color: var(--kok-navy);
}

button {
  font: inherit;
}

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

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

:where(:focus:not(:focus-visible)) {
  outline: none;
}

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

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

#main-content {
  scroll-margin-top: 2rem;
}

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

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

.skip-link {
  position: fixed;
  top: -4rem;
  left: 1rem;
  z-index: 2000;
  padding: 0.75rem 1.1rem;
  background: var(--kok-gold);
  color: var(--kok-navy);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-navy);
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 1rem;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1200;
  height: 4px;
  background: rgba(201, 169, 110, 0.2);
  pointer-events: none;
}

.scroll-progress::after {
  content: "";
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--kok-gold), var(--kok-red) 55%, var(--kok-purple));
  transform: scaleX(var(--scroll-progress, 0));
  transform-origin: 0 50%;
}

.site-header {
  position: relative;
  z-index: 1000;
  background-color: var(--header-bg);
  color: var(--header-fg);
  border-bottom: var(--border-w) solid var(--kok-gold);
  box-shadow: 0 7px 0 rgba(215, 38, 61, 0.55);
}

.site-header a {
  color: var(--kok-gold);
  text-decoration-color: rgba(201, 169, 110, 0.35);
}

.site-header a:hover {
  color: var(--kok-teal);
}

.site-header .skip-link,
.site-header .skip-link:focus {
  color: var(--kok-navy);
  background: var(--kok-gold);
}

.header__inner {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
  padding: 1.4rem 0 0.9rem;
}

.masthead {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 2rem;
}

.masthead__side {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.masthead__side--left {
  align-items: flex-start;
}

.masthead__side--right {
  align-items: flex-end;
  text-align: right;
}

.masthead__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--kok-gold);
  padding-left: 0.65rem;
  border-left: 2px solid var(--kok-red);
}

.masthead__side--right .masthead__meta {
  padding-left: 0;
  padding-right: 0.65rem;
  border-left: 0;
  border-right: 2px solid var(--kok-red);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  color: var(--kok-gold);
  text-decoration: none;
}

.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  background: rgba(245, 242, 235, 0.04);
  border: 2px solid var(--kok-gold);
  box-shadow: 4px 4px 0 rgba(201, 169, 110, 0.3);
}

.brand__mark svg {
  width: 100%;
  height: 100%;
}

.brand__mark--footer {
  width: 44px;
  height: 44px;
}

.brand__text {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}

.brand__name {
  font-family: var(--font-serif);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: 0.01em;
  color: var(--header-fg);
  white-space: nowrap;
}

.brand__sub {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kok-gold);
}

.masthead__entry {
  font-family: var(--font-serif);
  font-size: 0.92rem;
  color: var(--kok-gold);
  text-decoration: none;
  border-bottom: 1px dotted var(--kok-red);
}

.masthead__entry:hover {
  color: var(--kok-teal);
  border-bottom-style: solid;
}

.header__nav-wrap {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1rem;
  padding: 0.3rem 0;
  border-top: 1px solid rgba(201, 169, 110, 0.3);
  border-bottom: 1px solid rgba(201, 169, 110, 0.3);
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.3rem 0.2rem;
}

.site-nav__link {
  display: inline-block;
  padding: 0.6rem 0.9rem;
  color: var(--header-fg);
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border-bottom: 3px solid transparent;
  transition: color 0.18s, border-color 0.18s;
}

.site-nav__link:hover {
  color: var(--kok-gold);
  border-bottom-color: var(--kok-gold);
}

.site-nav__link[aria-current="page"] {
  color: var(--kok-gold);
  border-bottom-color: var(--kok-red);
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.9rem;
  background: transparent;
  border: 2px solid var(--kok-gold);
  color: var(--kok-gold);
  font-family: var(--font-sans);
  font-weight: 700;
  cursor: pointer;
}

.nav-toggle__label {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.nav-toggle__bars {
  position: relative;
  display: inline-block;
  width: 20px;
  height: 2px;
  background: currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s, top 0.2s;
}

.nav-toggle__bars::before {
  top: -6px;
}

.nav-toggle__bars::after {
  top: 6px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 0;
  transform: rotate(-45deg);
}

[data-scroll-snap] {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

[data-scroll-snap] > * {
  flex: 0 0 auto;
  scroll-snap-align: start;
}

.league-nav {
  align-items: center;
  gap: 0.55rem;
  margin-top: 0.7rem;
  scrollbar-color: var(--kok-gold) rgba(245, 242, 235, 0.08);
}

.league-nav__label {
  flex: 0 0 auto;
  padding: 0.4rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kok-gold);
  border: 2px solid var(--kok-gold);
  background: rgba(201, 169, 110, 0.1);
}

.league-nav__item {
  flex: 0 0 auto;
  padding: 0.35rem 0.8rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--header-fg);
  text-decoration: none;
  white-space: nowrap;
  border: 1px solid rgba(201, 169, 110, 0.5);
  transition: border-color 0.18s, color 0.18s, background 0.18s;
}

.league-nav__item:hover {
  color: var(--kok-teal);
  border-color: var(--kok-teal);
  background: rgba(0, 180, 160, 0.08);
}

.league-nav__item--hot {
  color: var(--kok-gold);
  border-color: var(--kok-red);
  background: rgba(215, 38, 61, 0.14);
}

.league-nav__item--more {
  color: var(--kok-gold);
  border-style: dashed;
}

.site-footer {
  position: relative;
  margin-top: 5rem;
  background: var(--header-bg);
  color: var(--header-fg);
  border-top: var(--border-w) solid var(--kok-gold);
}

.site-footer::before {
  content: "";
  display: block;
  height: 6px;
  background: repeating-linear-gradient(45deg, var(--kok-red) 0 16px, var(--kok-gold) 16px 32px);
  opacity: 0.85;
}

.site-footer a {
  color: var(--kok-gold);
  text-decoration-color: rgba(201, 169, 110, 0.35);
}

.site-footer a:hover {
  color: var(--kok-teal);
}

.footer__grid {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 3rem;
  padding: 3.5rem 0 2.5rem;
}

.footer__col {
  display: flex;
  flex-direction: column;
}

.footer__col--brand {
  align-items: flex-start;
}

.footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--kok-gold);
  text-decoration: none;
}

.footer__brand .brand__name {
  font-size: 1.6rem;
}

.footer__statement {
  position: relative;
  max-width: 38em;
  margin-top: 1.2rem;
  padding-left: 1.1rem;
  font-size: 0.93rem;
  line-height: 1.7;
  color: rgba(245, 242, 235, 0.82);
  border-left: 3px solid var(--kok-gold);
}

.footer__edition {
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(245, 242, 235, 0.55);
}

.footer__heading {
  margin-bottom: 1rem;
  padding-bottom: 0.45rem;
  font-size: 1.05rem;
  letter-spacing: 0.08em;
  color: var(--kok-gold);
  border-bottom: 1px solid rgba(201, 169, 110, 0.3);
}

.footer__links {
  display: grid;
  gap: 0.5rem;
}

.footer__links a {
  color: rgba(245, 242, 235, 0.85);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
}

.footer__links a:hover {
  color: var(--kok-gold);
  border-bottom-color: var(--kok-gold);
}

.footer__contact {
  display: grid;
  gap: 0.5rem;
}

.footer__contact li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.9rem;
  color: rgba(245, 242, 235, 0.82);
}

.footer__contact li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--kok-red);
}

.footer__old-entry {
  display: inline-block;
  margin-top: 1.3rem;
  padding: 0.55rem 0.85rem;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--kok-gold);
  text-decoration: none;
  border: 2px solid var(--kok-gold);
  background: rgba(201, 169, 110, 0.1);
}

.footer__old-entry:hover {
  color: var(--kok-navy);
  background: var(--kok-gold);
  box-shadow: 5px 5px 0 var(--kok-red);
}

.footer__bottom {
  padding: 1.2rem 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: rgba(245, 242, 235, 0.68);
  border-top: 1px solid rgba(201, 169, 110, 0.3);
}

.footer__bottom-inner {
  width: min(calc(100% - 2rem), var(--container));
  margin-inline: auto;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.back-to-top {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1200;
  display: none;
  align-items: center;
  justify-content: center;
  min-width: 3rem;
  min-height: 3rem;
  padding: 0.5rem 0.85rem;
  background: var(--kok-navy);
  color: var(--kok-gold);
  font-family: var(--font-mono);
  font-weight: 700;
  cursor: pointer;
  border: 2px solid var(--kok-gold);
  box-shadow: 5px 5px 0 rgba(215, 38, 61, 0.4);
}

.back-to-top[data-visible="true"] {
  display: inline-flex;
}

.back-to-top:hover {
  background: var(--kok-gold);
  color: var(--kok-navy);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.2rem;
  font-family: var(--font-sans);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  color: var(--kok-navy);
  background: transparent;
  border: 2px solid var(--kok-navy);
  box-shadow: var(--shadow-navy);
  transition: transform 0.15s, box-shadow 0.15s, background 0.15s, color 0.15s;
}

.btn:hover {
  transform: translate(3px, 3px);
  box-shadow: 2px 2px 0 rgba(11, 27, 58, 0.15);
}

.btn--primary {
  background: var(--kok-navy);
  color: var(--kok-gold);
  border-color: var(--kok-navy);
}

.btn--primary:hover {
  background: var(--kok-gold);
  color: var(--kok-navy);
  border-color: var(--kok-gold);
}

.btn--ghost {
  border-color: var(--kok-gold);
  color: var(--kok-gold);
}

.btn--small {
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
}

.breadcrumb {
  margin: 1.2rem 0;
  font-size: 0.85rem;
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.breadcrumb__link {
  color: var(--kok-navy);
  text-decoration: none;
}

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

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

.breadcrumb__item:not(:last-child)::after {
  content: "/";
  margin-left: 0.4rem;
  color: var(--kok-gold);
}

.section {
  padding: 3.5rem 0;
}

.section--tight {
  padding: 2.2rem 0;
}

.section-head {
  max-width: 780px;
  margin-bottom: 2.5rem;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--kok-red);
}

.section-title {
  margin-top: 0.4rem;
  font-family: var(--font-serif);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1.2;
  color: var(--kok-navy);
}

.section-lead {
  max-width: 60ch;
  margin-top: 1rem;
  font-size: 1.02rem;
  color: var(--kok-gray);
}

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

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

.grid--split {
  grid-template-columns: repeat(12, 1fr);
}

.grid__col--4 {
  grid-column: span 4;
}

.grid__col--6 {
  grid-column: span 6;
}

.grid__col--8 {
  grid-column: span 8;
}

.card {
  position: relative;
  padding: 1.5rem;
  background: var(--kok-fog);
  border: 2px solid var(--kok-navy);
  box-shadow: var(--shadow-hard);
}

.card--data {
  border-top: 6px solid var(--kok-gold);
}

.card__title {
  margin-bottom: 0.35rem;
  font-size: 1.3rem;
}

.card__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--kok-red);
}

.card__value {
  font-family: var(--font-mono);
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--kok-navy);
}

.card__body {
  margin-top: 0.8rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--kok-navy);
  background: var(--kok-light);
  border: 1px solid var(--kok-navy);
}

.tag--live {
  color: var(--kok-fog);
  background: var(--kok-red);
  border-color: var(--kok-red);
}

.tag--archive {
  color: var(--kok-navy);
  background: var(--kok-gold);
  border-color: var(--kok-gold);
}

.note {
  padding: 1rem 1.2rem;
  color: var(--kok-gray);
  background: var(--kok-light);
  border-left: 5px solid var(--kok-gold);
}

.note--warning {
  background: rgba(215, 38, 61, 0.06);
  border-left-color: var(--kok-red);
}

.note--info {
  background: rgba(0, 180, 160, 0.06);
  border-left-color: var(--kok-teal);
}

.note__title {
  margin-bottom: 0.25rem;
  font-family: var(--font-serif);
  font-weight: 900;
  color: var(--kok-navy);
}

.prose {
  max-width: 70ch;
}

.prose h2 {
  margin-top: 2.2rem;
  margin-bottom: 0.6rem;
  font-size: 1.6rem;
}

.prose h3 {
  margin-top: 1.6rem;
  font-size: 1.2rem;
}

.prose p {
  margin-top: 1em;
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--kok-light);
  border: 2px solid var(--kok-navy);
  box-shadow: var(--shadow-hard);
}

.media-frame::before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(201, 169, 110, 0.28), rgba(11, 27, 58, 0.1) 50%, rgba(215, 38, 61, 0.14));
  mix-blend-mode: multiply;
  pointer-events: none;
}

.media-frame::after {
  content: "KOK·山西";
  position: absolute;
  z-index: 2;
  right: 0.7rem;
  bottom: 0.5rem;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.5rem;
  letter-spacing: 0.04em;
  color: rgba(11, 27, 58, 0.18);
  pointer-events: none;
}

.media-frame img,
.media-frame video {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

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

.media-frame--wide {
  aspect-ratio: 21 / 8;
}

.media-frame--slanted {
  transform: skewY(-1deg);
}

.media-frame--slanted > * {
  transform: skewY(1deg);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
  transition-delay: var(--reveal-delay, 0ms);
}

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

@media (max-width: 1000px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }

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

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

  .grid__col--4,
  .grid__col--6,
  .grid__col--8 {
    grid-column: span 12;
  }
}

@media (max-width: 900px) {
  .masthead {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .masthead__side,
  .masthead__side--right {
    align-items: center;
    text-align: center;
  }

  .header__nav-wrap {
    justify-content: space-between;
    margin-top: 0.8rem;
  }

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 1100;
    display: none;
    padding: 0.8rem;
    background: var(--header-bg);
    border-top: 1px solid rgba(201, 169, 110, 0.3);
    border-bottom: var(--border-w) solid var(--kok-red);
  }

  .site-nav[data-open] {
    display: block;
  }

  .site-nav__list {
    flex-direction: column;
  }

  .site-nav__link {
    display: block;
    padding: 0.75rem 0.6rem;
    border-bottom: 1px solid rgba(201, 169, 110, 0.18);
  }

  .site-nav__link[aria-current="page"] {
    border-left: 4px solid var(--kok-red);
  }
}

@media (max-width: 640px) {
  .masthead__side--left {
    display: none;
  }

  .header__inner {
    padding-top: 1rem;
  }

  .brand__name {
    font-size: 1.7rem;
  }

  .brand__sub {
    letter-spacing: 0.1em;
  }

  .footer__grid {
    grid-template-columns: 1fr;
    padding: 2.5rem 0 1.8rem;
  }

  .footer__bottom-inner {
    flex-direction: column;
    text-align: center;
  }

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

@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;
    transition-delay: 0ms !important;
  }

  .skip-link {
    transition: none;
  }

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

  .back-to-top {
    box-shadow: none;
  }
}