/* ============================================
   雷火电竞 · SiteKit 共享样式
   文件位置：/assets/site.css
   设计内核：赛事数据指挥档案室 / 目录型内容地图
   ============================================ */

:root {
  --c-bg-deep: #0A0E17;
  --c-bg-card: #121A2A;
  --c-line: #1E2A3A;
  --c-white: #FFFFFF;
  --c-mist: #A8B4C8;
  --c-accent: #00D4FF;
  --c-accent-warm: #FF6A00;
  --c-success: #00FF9D;
  --c-danger: #FF3B3B;
  --c-data: #2E6DE3;

  --font-head: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-body: "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;

  --pad-page: clamp(20px, 4vw, 48px);
  --container: min(1240px, calc(100% - var(--pad-page) - var(--pad-page)));
  --container-narrow: min(880px, calc(100% - var(--pad-page) - var(--pad-page)));
  --header-h: 68px;
  --gutter: clamp(16px, 2vw, 28px);
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.16);
  --line-grad: linear-gradient(90deg, var(--c-accent), var(--c-accent-warm));
}

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

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

body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-white);
  background-color: var(--c-bg-deep);
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
  background-size: 44px 44px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas {
  display: block;
  max-width: 100%;
  height: auto;
}

ul,
ol {
  list-style: none;
}

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

a:hover {
  text-decoration: underline;
}

button {
  font-family: inherit;
  font-size: inherit;
}

h1,
h2,
h3,
h4,
h5 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.02em;
  color: var(--c-white);
  text-wrap: balance;
}

h1 {
  font-size: clamp(32px, 6vw, 56px);
  font-weight: 900;
}

h2 {
  font-size: clamp(24px, 4vw, 34px);
}

h3 {
  font-size: 20px;
}

h4 {
  font-size: 16px;
}

::selection {
  background: rgba(0, 212, 255, 0.28);
  color: var(--c-white);
}

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

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

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--c-bg-deep);
}

::-webkit-scrollbar-thumb {
  background: var(--c-line);
  border-radius: 8px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--c-accent);
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.container--narrow {
  width: var(--container-narrow);
  margin-inline: auto;
}

.page-main {
  display: block;
  padding: 40px 0 88px;
}

.grid {
  display: grid;
  gap: var(--gutter);
}

.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));
}

.section-hd {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.divider {
  height: 1px;
  border: 0;
  margin: 24px 0;
  background: linear-gradient(90deg, transparent, var(--c-line), transparent);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  color: var(--c-bg-deep);
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}

.btn:hover {
  text-decoration: none;
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: var(--c-bg-deep);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.25);
}

.btn--primary:hover {
  box-shadow: 0 0 28px rgba(0, 212, 255, 0.42);
}

.btn--ghost {
  color: var(--c-white);
  background: transparent;
  border-color: var(--c-line);
}

.btn--ghost:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  box-shadow: none;
}

.btn--warm {
  background: var(--c-accent-warm);
  border-color: var(--c-accent-warm);
  color: var(--c-bg-deep);
  box-shadow: 0 0 18px rgba(255, 106, 0, 0.22);
}

.btn--warm:hover {
  box-shadow: 0 0 28px rgba(255, 106, 0, 0.4);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
  line-height: 1.6;
  letter-spacing: 0.05em;
  color: var(--c-mist);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-line);
  border-radius: 999px;
  white-space: nowrap;
}

.tag--hot {
  color: var(--c-accent-warm);
  background: rgba(255, 106, 0, 0.1);
  border-color: rgba(255, 106, 0, 0.4);
}

.tag--blue {
  color: var(--c-accent);
  background: rgba(0, 212, 255, 0.08);
  border-color: rgba(0, 212, 255, 0.4);
}

.tag--win {
  color: var(--c-success);
  background: rgba(0, 255, 157, 0.08);
  border-color: rgba(0, 255, 157, 0.35);
}

.panel {
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  padding: 24px;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.panel--accent {
  border-top: 2px solid var(--c-accent-warm);
}

.panel--glow {
  box-shadow: var(--shadow-glow);
}

.panel--hover:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 212, 255, 0.45);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3), 0 0 24px rgba(0, 212, 255, 0.12);
}

.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
}

.media-frame::before {
  content: "";
  display: block;
}

.media-frame--wide::before {
  padding-top: 56.25%;
}

.media-frame--short::before {
  padding-top: 48%;
}

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

.media-frame--tall::before {
  padding-top: 76%;
}

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

.media-frame__caption {
  padding: 10px 4px 0;
  font-size: 12px;
  color: var(--c-mist);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-head);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.section-label::before {
  content: "";
  width: 22px;
  height: 1px;
  flex: none;
  background: var(--line-grad);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 8px;
  margin-bottom: 14px;
  font-size: 13px;
  color: var(--c-mist);
}

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

.breadcrumb [aria-current="page"] {
  color: var(--c-white);
  font-weight: 600;
}

.breadcrumb__sep {
  color: var(--c-line);
}

.page-heading {
  padding: 44px 0 10px;
}

.page-heading h1 {
  margin: 10px 0 6px;
}

.page-heading__meta {
  max-width: 60ch;
  color: var(--c-mist);
  font-size: 14px;
}

.tech-grid {
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
}

.slant-corner {
  position: relative;
}

.slant-corner::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 18px;
  height: 18px;
  background: var(--c-accent);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  opacity: 0.85;
}

.skip-link {
  position: fixed;
  top: -64px;
  left: 16px;
  z-index: 300;
  padding: 12px 20px;
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 700;
  color: var(--c-bg-deep);
  background: var(--c-accent);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  transition: top 0.2s ease;
}

.skip-link:hover {
  text-decoration: none;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 14, 23, 0.94);
  border-bottom: 1px solid var(--c-line);
}

.site-header::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--line-grad);
  opacity: 0.9;
  pointer-events: none;
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: var(--header-h);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: none;
  color: var(--c-white);
}

.brand:hover {
  text-decoration: none;
}

.brand__sigil {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex: none;
  background: var(--c-accent);
  color: var(--c-bg-deep);
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 20px;
  line-height: 1;
  border-radius: 8px 2px 8px 2px;
  transform: rotate(-4deg);
  box-shadow: 0 0 18px rgba(0, 212, 255, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.brand:hover .brand__sigil {
  transform: rotate(0deg);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.5);
}

.brand__name {
  font-family: var(--font-head);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.1em;
  white-space: nowrap;
}

.brand__accent {
  color: var(--c-accent);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  flex: 1;
  counter-reset: nav-index;
}

.site-nav a {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px;
  color: var(--c-mist);
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
  transition: color 0.18s ease;
}

.site-nav a::before {
  content: counter(nav-index, decimal-leading-zero);
  counter-increment: nav-index;
  font-size: 10px;
  font-weight: 700;
  color: var(--c-accent);
  opacity: 0.5;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent), transparent 80%);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--c-white);
  text-decoration: none;
}

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

.site-nav a[aria-current="page"] {
  color: var(--c-accent);
}

.site-nav a[aria-current="page"]::before {
  opacity: 1;
  color: var(--c-accent-warm);
}

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

.site-header__utility {
  flex: none;
}

.region-switch {
  position: relative;
}

.region-switch__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.28);
  border-radius: var(--radius-sm);
  color: var(--c-white);
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.region-switch__btn:hover,
.region-switch.is-open .region-switch__btn {
  background-color: rgba(0, 212, 255, 0.14);
  border-color: var(--c-accent);
  box-shadow: 0 0 16px rgba(0, 212, 255, 0.12);
}

.region-switch__label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.region-switch__value {
  color: var(--c-accent);
  font-weight: 800;
  font-size: 14px;
}

.region-switch__caret {
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--c-mist);
  transition: transform 0.18s ease;
}

.region-switch.is-open .region-switch__caret {
  transform: rotate(180deg);
}

.region-switch__menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  min-width: 224px;
  padding: 6px;
  background: var(--c-bg-card);
  border: 1px solid var(--c-line);
  border-radius: var(--radius-md);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.region-switch.is-open .region-switch__menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.region-switch__option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--c-white);
  cursor: pointer;
  transition: background-color 0.14s ease;
}

.region-switch__option:hover {
  background: rgba(255, 255, 255, 0.05);
}

.region-switch__option.is-active {
  background: rgba(0, 212, 255, 0.1);
}

.region-switch__code {
  font-family: var(--font-head);
  font-size: 14px;
  font-weight: 800;
  color: var(--c-accent);
  min-width: 42px;
}

.region-switch__name {
  font-size: 12px;
  color: var(--c-mist);
}

.nav-toggle {
  display: none;
  flex: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 11px 10px;
  background: transparent;
  border: 1px solid var(--c-line);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: border-color 0.18s ease, background-color 0.18s ease;
}

.nav-toggle:hover {
  border-color: var(--c-accent);
  background-color: rgba(0, 212, 255, 0.06);
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-accent);
  border-radius: 2px;
  transition: transform 0.22s ease, opacity 0.22s 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);
}

.progress-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--c-line);
  z-index: 5;
  pointer-events: none;
}

.progress-bar__fill {
  display: block;
  height: 100%;
  background: var(--line-grad);
  transform: scaleX(0);
  transform-origin: 0 50%;
  will-change: transform;
}

.site-footer {
  position: relative;
  margin-top: 96px;
  background-color: var(--c-bg-deep);
  border-top: 1px solid var(--c-line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--c-accent-warm), var(--c-accent));
  opacity: 0.6;
}

.site-footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
  padding-top: 56px;
  padding-bottom: 44px;
}

.site-footer__brand .brand {
  margin-bottom: 14px;
}

.site-footer__slogan {
  max-width: 34ch;
  margin-bottom: 10px;
  color: var(--c-mist);
  font-size: 15px;
  line-height: 1.7;
}

.site-footer__note {
  max-width: 36ch;
  margin-bottom: 18px;
  color: var(--c-mist);
  font-size: 13px;
  line-height: 1.7;
}

.site-footer__col {
  min-width: 0;
}

.site-footer__heading {
  position: relative;
  margin-bottom: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--c-line);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--c-accent);
}

.site-footer__heading::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--c-accent-warm);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.site-footer__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  color: var(--c-mist);
  font-size: 14px;
  transition: color 0.18s ease, padding-left 0.18s ease;
}

.site-footer__link::before {
  content: "›";
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-accent);
}

.site-footer__link:hover {
  color: var(--c-white);
  text-decoration: none;
  padding-left: 4px;
}

.site-footer__contact-line {
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--c-mist);
  word-break: break-all;
}

.site-footer__contact-label {
  display: inline-block;
  min-width: 44px;
  margin-right: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-accent);
}

.site-footer__address {
  margin-top: 4px;
  font-style: normal;
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-mist);
}

.site-footer__bottom {
  background: rgba(255, 255, 255, 0.015);
  border-top: 1px solid var(--c-line);
}

.site-footer__bottom-inner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 18px;
  padding-bottom: 18px;
  font-size: 13px;
  color: var(--c-mist);
}

.site-footer__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

.site-footer__trust {
  max-width: 78ch;
  padding-left: 12px;
  border-left: 2px solid var(--c-accent-warm);
  font-family: var(--font-serif);
  font-size: 12px;
  line-height: 1.8;
  color: rgba(168, 180, 200, 0.78);
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

html.js [data-reveal="from-left"] {
  transform: translateX(-24px);
}

html.js [data-reveal="from-left"].is-revealed {
  transform: none;
}

html.js [data-reveal="from-right"] {
  transform: translateX(24px);
}

html.js [data-reveal="from-right"].is-revealed {
  transform: none;
}

@media (max-width: 1120px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    bottom: 0;
    z-index: 120;
    width: min(340px, 88vw);
    flex: none;
    flex-direction: column;
    justify-content: flex-start;
    align-items: stretch;
    gap: 0;
    padding: 28px 20px 40px;
    overflow-y: auto;
    background: rgba(10, 14, 23, 0.98);
    border-left: 1px solid var(--c-line);
    box-shadow: -24px 0 48px rgba(0, 0, 0, 0.5);
    visibility: hidden;
    transform: translateX(105%);
    transition: transform 0.28s ease, visibility 0.28s;
  }

  .site-nav[data-open="true"] {
    visibility: visible;
    transform: translateX(0);
  }

  .site-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 15px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--c-white);
    font-size: 16px;
  }

  .site-nav a::before {
    font-size: 11px;
    min-width: 24px;
  }

  .site-nav a::after {
    display: none;
  }

  .site-nav a[aria-current="page"] {
    background: rgba(0, 212, 255, 0.08);
    color: var(--c-accent);
  }

  .brand {
    margin-right: auto;
  }

  .grid--4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .site-footer__main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .grid--2,
  .grid--3,
  .grid--4 {
    grid-template-columns: minmax(0, 1fr);
  }

  .site-footer__main {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-footer__brand {
    grid-column: auto;
  }

  .site-header__bar {
    gap: 12px;
  }

  .brand__name {
    font-size: 18px;
    letter-spacing: 0.06em;
  }

  .brand__sigil {
    width: 32px;
    height: 32px;
    font-size: 17px;
    border-radius: 6px 2px 6px 2px;
  }

  .region-switch__label {
    display: none;
  }

  .region-switch__menu {
    min-width: 190px;
  }

  .site-footer__bottom-inner {
    gap: 8px;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }

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