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

:root {
  --c-bg: #0A0B0D;
  --c-gold: #D4AF37;
  --c-gold-light: #F5E6A8;
  --c-red: #E63946;
  --c-yellow: #F4D03F;
  --c-gray: #8A8D8F;
  --c-ivory: #F5F2EB;
  --c-carbon: #1C1E20;
  --c-green: #4A5D4E;
  --font-head: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "JetBrains Mono", "Roboto Mono", "SF Mono", monospace;
  --font-num: "DIN Alternate", "Roboto Mono", monospace;
  --max-w: 1280px;
  --pad-x: 48px;
  --header-h: 74px;
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.75;
  background: var(--c-bg);
  color: var(--c-ivory);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.2;
}

ul,
ol {
  list-style: none;
}

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

a {
  color: inherit;
  text-decoration: none;
}

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

main {
  display: block;
}

::selection {
  background: var(--c-gold);
  color: var(--c-bg);
}

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

#main-content {
  scroll-margin-top: 86px;
}

#main-content:focus {
  outline: none;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 9999;
  padding: 10px 18px;
  background: var(--c-gold);
  color: var(--c-bg);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-220%);
  transition: transform 0.3s var(--ease-out);
}

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

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 1200;
  background: rgba(212, 175, 55, 0.14);
  pointer-events: none;
}

.scroll-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--c-yellow) 0%, var(--c-red) 55%, var(--c-gold) 100%);
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: linear-gradient(180deg, rgba(10, 11, 13, 0.94) 0%, rgba(10, 11, 13, 0.74) 100%);
  border-bottom: 1px solid transparent;
  transition: background 0.4s ease, border-color 0.4s ease, box-shadow 0.4s ease;
}

.site-header[data-scrolled="true"] {
  background: rgba(10, 11, 13, 0.97);
  border-bottom-color: rgba(212, 175, 55, 0.32);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.5);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 16px var(--pad-x);
  transition: padding 0.35s ease;
}

.site-header[data-scrolled="true"] .site-header__inner {
  padding-top: 10px;
  padding-bottom: 10px;
}

.site-header__brand {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.site-header__brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--c-gold) 0%, var(--c-gold-light) 60%, var(--c-gold) 100%);
  color: var(--c-bg);
  font-family: var(--font-head);
  font-size: 20px;
  font-weight: 900;
  clip-path: polygon(0 0, 76% 0, 100% 24%, 100% 100%, 24% 100%, 0 76%);
}

.site-header__brand-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-head);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--c-ivory);
}

.site-header__brand-text em {
  font-style: normal;
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: 0.24em;
  color: var(--c-gold);
  text-transform: uppercase;
}

.site-header__search {
  flex-shrink: 0;
  position: relative;
  z-index: 961;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(212, 175, 55, 0.35);
  background: rgba(10, 11, 13, 0.4);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header__search:hover {
  border-color: var(--c-gold);
  background: rgba(212, 175, 55, 0.12);
}

.site-header__search-icon {
  position: relative;
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--c-gold);
  border-radius: 50%;
}

.site-header__search-icon::after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -3px;
  width: 7px;
  height: 2px;
  background: var(--c-gold);
  transform: rotate(45deg);
}

.site-nav {
  display: flex;
  align-items: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 10px 12px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: rgba(245, 242, 235, 0.72);
  white-space: nowrap;
  transition: color 0.3s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 2px;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.35s var(--ease-out);
}

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

.site-nav__link:hover::after {
  transform: scaleX(1);
}

.site-nav__link[aria-current="page"] {
  color: var(--c-gold);
  font-weight: 700;
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
}

.site-nav__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-left: 16px;
  padding: 7px 14px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  background: rgba(212, 175, 55, 0.07);
  font-family: var(--font-body);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--c-gold-light);
  white-space: nowrap;
  transition: background 0.3s ease, border-color 0.3s ease;
}

.site-nav__status:hover {
  background: rgba(212, 175, 55, 0.15);
  border-color: var(--c-gold);
}

.site-nav__pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-yellow);
  animation: sitePulse 1.8s ease-in-out infinite;
}

@keyframes sitePulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(244, 208, 63, 0.45);
  }
  50% {
    opacity: 0.6;
    transform: scale(0.8);
    box-shadow: 0 0 0 6px rgba(244, 208, 63, 0);
  }
}

.site-nav__toggle {
  flex-shrink: 0;
  position: relative;
  z-index: 960;
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border: 1px solid rgba(212, 175, 55, 0.4);
  background: rgba(10, 11, 13, 0.5);
  cursor: pointer;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-nav__toggle:hover {
  border-color: var(--c-gold);
}

.site-nav__toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-gold);
  transition: transform 0.3s var(--ease-out), opacity 0.3s ease;
}

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

.site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

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

body[data-nav-open] {
  overflow: hidden;
}

body[data-nav-open]::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 940;
  background: rgba(10, 11, 13, 0.66);
}

.site-footer {
  position: relative;
  background: var(--c-bg);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg,
    var(--c-gold) 0%,
    var(--c-gold) 72%,
    var(--c-red) 72%,
    var(--c-red) 84%,
    var(--c-yellow) 84%,
    var(--c-yellow) 92%,
    transparent 92%);
}

.site-footer__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 72px var(--pad-x) 0;
}

.site-footer__top {
  display: grid;
  grid-template-columns: 1.5fr 0.9fr 0.9fr 1.5fr;
  gap: 40px;
}

.site-footer__logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-ivory);
  font-family: var(--font-head);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.05em;
}

.site-footer__logo::before {
  content: "K";
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  background: var(--c-gold);
  color: var(--c-bg);
  font-size: 18px;
  font-weight: 900;
  clip-path: polygon(0 0, 76% 0, 100% 24%, 100% 100%, 24% 100%, 0 76%);
}

.site-footer__trust {
  margin-top: 16px;
  color: var(--c-gold);
  font-family: var(--font-head);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.site-footer__note {
  margin-top: 10px;
  max-width: 340px;
  color: var(--c-gray);
  font-size: 12px;
  line-height: 1.8;
}

.site-footer__col,
.site-footer__contact {
  display: flex;
  flex-direction: column;
}

.site-footer__heading {
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(212, 175, 55, 0.22);
  color: var(--c-gold);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.site-footer__link {
  display: inline-block;
  padding: 4px 0;
  color: rgba(245, 242, 235, 0.64);
  font-size: 13px;
  transition: color 0.3s ease, transform 0.3s ease;
}

.site-footer__link:hover {
  color: var(--c-gold-light);
  transform: translateX(4px);
}

.site-footer__link--cta {
  color: var(--c-gold);
  font-weight: 700;
}

.site-footer__contact-item {
  margin: 4px 0;
  color: rgba(245, 242, 235, 0.5);
  font-size: 12px;
  line-height: 1.7;
  word-break: break-all;
}

.site-footer__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  margin-top: 48px;
  padding: 18px 0 22px;
  border-top: 1px solid rgba(138, 141, 143, 0.18);
  color: rgba(138, 141, 143, 0.85);
  font-size: 12px;
}

.site-container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: var(--pad-x);
  padding-right: var(--pad-x);
}

.section {
  position: relative;
  padding: 96px 0;
}

.section--dark {
  background: var(--c-bg);
}

.section--carbon {
  background: var(--c-carbon);
}

.section--light {
  background: var(--c-ivory);
  color: var(--c-bg);
}

.section--light .section-lead {
  color: #3D4042;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--c-gold);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.section-tag::before {
  content: "";
  width: 28px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-red) 0%, var(--c-gold) 100%);
}

.section-title {
  margin-top: 12px;
  color: var(--c-ivory);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.14;
}

.section-title--dark {
  color: var(--c-bg);
}

.section-lead {
  margin-top: 14px;
  max-width: 680px;
  color: var(--c-gray);
  font-size: 14px;
  line-height: 1.9;
}

.data-label {
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-gray);
  text-transform: uppercase;
}

.stat-number {
  font-family: var(--font-num);
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--c-gold);
}

.stat-number--red {
  color: var(--c-red);
}

.stat-number--yellow {
  color: var(--c-yellow);
}

.page-header-band {
  padding: calc(var(--header-h) + 56px) 0 48px;
  background: var(--c-bg);
  border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.page-header-band__title {
  margin-top: 14px;
  color: var(--c-ivory);
  font-size: clamp(30px, 4.6vw, 50px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform 0.3s var(--ease-out), background 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.btn--gold {
  background: var(--c-gold);
  color: var(--c-bg);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
}

.btn--gold:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 10px 18px rgba(212, 175, 55, 0.3));
}

.btn--outline {
  border-color: rgba(212, 175, 55, 0.55);
  color: var(--c-gold);
  background: transparent;
}

.btn--outline:hover {
  background: rgba(212, 175, 55, 0.08);
  border-color: var(--c-gold);
  transform: translateY(-2px);
}

.btn--light {
  background: var(--c-bg);
  color: var(--c-gold-light);
}

.btn--light:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(10, 11, 13, 0.22);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 13px;
}

.breadcrumbs a {
  color: var(--c-gold);
  transition: color 0.3s ease;
}

.breadcrumbs a:hover {
  color: var(--c-gold-light);
}

.breadcrumbs a[aria-current="page"] {
  color: var(--c-gray);
  pointer-events: none;
}

.breadcrumbs__sep {
  color: var(--c-gray);
}

.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));
}

.card-frame {
  position: relative;
  background: var(--c-carbon);
  border: 1px solid rgba(138, 141, 143, 0.22);
  padding: 28px;
  transition: transform 0.35s var(--ease-out), border-color 0.35s ease, box-shadow 0.35s ease;
}

.card-frame::after {
  content: "";
  position: absolute;
  top: 8px;
  right: 8px;
  width: 14px;
  height: 14px;
  border-top: 2px solid var(--c-gold);
  border-right: 2px solid var(--c-gold);
  opacity: 0;
  transition: opacity 0.35s ease;
}

.card-frame:hover {
  transform: translateY(-6px);
  border-color: rgba(212, 175, 55, 0.6);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.4);
}

.card-frame:hover::after {
  opacity: 1;
}

.media-frame {
  position: relative;
  overflow: hidden;
  background: var(--c-carbon);
  border: 1px solid rgba(212, 175, 55, 0.18);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background-image:
    linear-gradient(rgba(212, 175, 55, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(212, 175, 55, 0.07) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.media-frame::after {
  content: "MEDIA SLOT";
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  color: rgba(212, 175, 55, 0.32);
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.24em;
  pointer-events: none;
}

.media-frame img {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--ratio-16x9 {
  aspect-ratio: 16 / 9;
}

.media-frame--ratio-4x3 {
  aspect-ratio: 4 / 3;
}

.media-frame--ratio-1x1 {
  aspect-ratio: 1 / 1;
}

.rule-gold {
  height: 1px;
  border: 0;
  margin: 24px 0;
  background: linear-gradient(90deg, var(--c-gold) 0%, rgba(212, 175, 55, 0.12) 70%, transparent 100%);
}

.js [data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s var(--ease-out), transform 0.65s var(--ease-out);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

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

@media (max-width: 1100px) and (min-width: 901px) {
  .site-nav__link {
    padding: 10px 8px;
    font-size: 13px;
  }

  .site-nav__status {
    margin-left: 8px;
    padding: 6px 10px;
    font-size: 10px;
  }

  .site-header__brand-text em {
    display: none;
  }
}

@media (max-width: 960px) {
  :root {
    --pad-x: 24px;
  }

  .site-header__inner {
    gap: 12px;
  }

  .site-nav__toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 950;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 28px;
    width: min(82vw, 360px);
    padding: 92px 24px 32px;
    background: var(--c-carbon);
    border-left: 2px solid var(--c-gold);
    box-shadow: -18px 0 48px rgba(0, 0, 0, 0.45);
    transform: translateX(102%);
    transition: transform 0.4s var(--ease-out);
    overflow-y: auto;
  }

  .site-nav[data-open] {
    transform: translateX(0);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    padding: 14px 2px;
    font-size: 15px;
    border-bottom: 1px solid rgba(138, 141, 143, 0.16);
  }

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

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

  .site-nav__status {
    margin-left: 0;
    justify-content: center;
  }

  .site-footer__top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 700px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 64px 0;
  }
}

@media (max-width: 600px) {
  :root {
    --pad-x: 16px;
  }

  .site-header__brand-text {
    font-size: 17px;
  }

  .site-header__brand-text em {
    display: none;
  }

  .site-header__brand-mark {
    width: 34px;
    height: 34px;
    font-size: 17px;
  }

  .site-header__search {
    width: 36px;
    height: 36px;
  }

  .site-nav__toggle {
    width: 38px;
    height: 38px;
  }

  .site-footer__top {
    grid-template-columns: 1fr;
  }

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

@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;
  }

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