/* ==========================================================================
   平博赛场 · 共享样式表 /assets/site.css
   夜间赛场指挥台 · 编辑部坐标版式
   ========================================================================== */

/* 1. 设计令牌 */
:root {
  --night: #0B1B2B;
  --night-deep: #08141F;
  --tier: #12293F;
  --panel: #24384F;
  --green: #3DDC97;
  --amber: #FFB347;
  --cream: #F2EBE0;
  --ink: #1A1410;
  --mist: #A9B8C6;
  --ember: #E8552F;
  --green-soft: rgba(61, 220, 151, 0.12);
  --amber-soft: rgba(255, 179, 71, 0.12);
  --ember-soft: rgba(232, 85, 47, 0.10);
  --line: rgba(169, 184, 198, 0.18);
  --line-strong: rgba(169, 184, 198, 0.34);
  --r-xs: 8px;
  --r-sm: 14px;
  --r-md: 22px;
  --r-lg: 30px;
  --r-pill: 999px;
  --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --shadow-panel: 0 18px 42px -26px rgba(0, 0, 0, 0.9);
  --shadow-float: 0 30px 64px -32px rgba(0, 0, 0, 0.95);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
  --shell: 1240px;
  --gutter: 24px;
}

/* 2. 重置 */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--night);
  background-image:
    radial-gradient(880px 460px at 10% -6%, rgba(61, 220, 151, 0.10), transparent 62%),
    radial-gradient(720px 400px at 94% 2%, rgba(255, 179, 71, 0.07), transparent 60%);
  background-repeat: no-repeat;
  color: var(--mist);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
}

input,
select,
textarea { font: inherit; }

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

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

/* 3. 中文排版与链接 */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-family: var(--font-serif);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--cream);
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

strong { color: var(--cream); font-weight: 700; }

a {
  color: var(--green);
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

a:hover { color: var(--amber); }

:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 4px;
}

.h1 { font-size: clamp(34px, 5vw, 56px); }
.h2 { font-size: clamp(26px, 3.4vw, 40px); }
.h3 { font-size: clamp(20px, 2.1vw, 28px); }
.h4 { font-size: clamp(17px, 1.5vw, 20px); }

.mono,
.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--green);
}

/* 4. 布局容器 */
.wrap {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}

.section { padding: clamp(44px, 6vw, 84px) 0; }

.rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: var(--line);
}

.grid {
  display: grid;
  gap: clamp(20px, 2.6vw, 32px);
}

.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* 编辑部非对称双栏：窄栏 1 : 宽区 2.4 */
.grid--editorial {
  grid-template-columns: minmax(110px, 0.3fr) minmax(0, 1fr);
  align-items: start;
}

.prose { max-width: 68ch; }

.prose p { margin: 0 0 1.1em; }

.prose h2 {
  margin: 1.6em 0 0.6em;
  font-size: clamp(22px, 2.4vw, 30px);
}

.prose h3 {
  margin: 1.4em 0 0.5em;
  font-size: clamp(18px, 1.8vw, 22px);
}

.prose a {
  color: var(--cream);
  text-decoration: underline;
  text-decoration-color: rgba(61, 220, 151, 0.6);
  text-underline-offset: 4px;
}

.prose a:hover { color: var(--green); }

/* 坐标轴导轨 */
.axis-line {
  position: relative;
  padding-left: 26px;
}

.axis-line::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: linear-gradient(180deg, rgba(61, 220, 151, 0.85), rgba(61, 220, 151, 0.05));
}

/* 5. 刊头 */
.site-header {
  position: relative;
  background: linear-gradient(180deg, rgba(18, 41, 63, 0.94), rgba(11, 27, 43, 0.55) 72%, rgba(11, 27, 43, 0));
  border-bottom: 1px solid var(--line);
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  z-index: 50;
  pointer-events: none;
  background: linear-gradient(90deg, var(--green), var(--amber));
  transform: scaleX(0);
  transform-origin: 0 50%;
}

.skip-link {
  position: absolute;
  top: 10px;
  left: 50%;
  z-index: 60;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  background: var(--green);
  color: var(--night);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transform: translate(-50%, -180%);
  transition: transform 0.2s var(--ease);
}

.skip-link:focus {
  transform: translate(-50%, 0);
  color: var(--night);
}

.masthead {
  display: grid;
  grid-template-columns: minmax(170px, auto) minmax(0, 1fr) minmax(0, auto);
  align-items: center;
  gap: clamp(16px, 3vw, 44px);
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding: clamp(20px, 2.6vw, 30px) 0 clamp(14px, 1.6vw, 20px);
}

.brandmark {
  display: inline-flex;
  flex-direction: column;
  gap: 7px;
  text-decoration: none;
  color: var(--cream);
}

.brandmark__name {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: clamp(23px, 2.4vw, 31px);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--cream);
  transition: color 0.18s var(--ease);
}

.brandmark__sub {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--mist);
  white-space: nowrap;
}

.brandmark:hover .brandmark__name { color: var(--green); }

.masthead__title {
  min-width: 0;
  padding: 0 10px;
  text-align: center;
}

.masthead__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.38em;
  color: var(--green);
}

.masthead__lede {
  margin: 8px 0 0;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: clamp(16px, 1.5vw, 20px);
  color: var(--cream);
}

.quick-coords {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.quick-coord {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(36, 56, 79, 0.55);
  color: var(--cream);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), background-color 0.18s var(--ease),
    color 0.18s var(--ease), transform 0.18s var(--ease);
}

.quick-coord::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 3px var(--green-soft);
}

.quick-coord:hover {
  transform: translateY(-1px);
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green);
}

.quick-coord--amber { border-color: rgba(255, 179, 71, 0.45); }

.quick-coord--amber::before {
  background: var(--amber);
  box-shadow: 0 0 0 3px var(--amber-soft);
}

.quick-coord--amber:hover {
  border-color: var(--amber);
  background: var(--amber-soft);
  color: var(--amber);
}

/* 6. 栏目导航 */
.nav-bar {
  border-top: 1px solid var(--line);
  background: rgba(8, 20, 31, 0.62);
}

.nav-bar__inner {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 15px 0;
  cursor: pointer;
  text-align: left;
  color: var(--cream);
}

.nav-toggle__bars {
  position: relative;
  width: 20px;
  height: 12px;
  flex: none;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--green);
  transition: transform 0.2s var(--ease), top 0.2s var(--ease);
}

.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { top: 10px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before {
  top: 5px;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after {
  top: 5px;
  transform: rotate(-45deg);
}

.nav-toggle__label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--cream);
}

.site-nav { display: block; }

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px;
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 15px 20px 17px;
  color: var(--mist);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-decoration: none;
  transition: color 0.18s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 9px;
  height: 2px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s var(--ease), background-color 0.2s var(--ease);
}

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

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

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

/* 7. 页脚 */
.site-footer {
  margin-top: clamp(56px, 8vw, 110px);
  border-top: 1px solid rgba(61, 220, 151, 0.24);
  background: linear-gradient(180deg, rgba(8, 20, 31, 0.45), var(--night-deep));
  color: var(--mist);
  font-size: 15px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1.15fr;
  gap: clamp(28px, 4vw, 56px);
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding: clamp(40px, 5vw, 64px) 0 clamp(28px, 3vw, 40px);
}

.footer-brand__mark {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 26px;
  letter-spacing: 0.02em;
  color: var(--cream);
}

.footer-brand__sub {
  margin: 0 0 14px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  color: var(--green);
}

.footer-brand__text {
  margin: 0;
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

.footer-col__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--amber);
}

.footer-list {
  display: grid;
  gap: 10px;
}

.footer-list a {
  display: inline-block;
  color: var(--mist);
  font-size: 15px;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.footer-list a::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 1px;
  margin-right: 9px;
  vertical-align: middle;
  background: currentColor;
  opacity: 0.55;
}

.footer-list a:hover {
  color: var(--green);
  padding-left: 6px;
}

.footer-contact {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.footer-contact__item { display: grid; gap: 3px; }

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.22em;
  color: var(--green);
}

.footer-contact__val {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.footer-note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid rgba(255, 179, 71, 0.55);
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.footer-legal { border-top: 1px solid var(--line); }

.footer-legal__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 26px;
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding: 18px 0 34px;
  font-size: 13px;
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.footer-legal__links a {
  color: var(--mist);
  text-decoration: none;
}

.footer-legal__links a:hover { color: var(--green); }

.footer-legal__copy,
.footer-legal__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* 8. 通用组件 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease),
    border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.btn--primary {
  background: var(--green);
  color: var(--night);
}

.btn--primary:hover {
  background: var(--amber);
  color: var(--ink);
  transform: translateY(-2px);
}

.btn--amber {
  background: var(--amber);
  color: var(--ink);
}

.btn--amber:hover {
  background: var(--green);
  color: var(--night);
  transform: translateY(-2px);
}

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

.btn--ghost:hover {
  border-color: var(--green);
  background: var(--green-soft);
  color: var(--green);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: rgba(36, 56, 79, 0.6);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.tag--green {
  border-color: rgba(61, 220, 151, 0.45);
  background: var(--green-soft);
  color: var(--green);
}

.tag--amber {
  border-color: rgba(255, 179, 71, 0.5);
  background: var(--amber-soft);
  color: var(--amber);
}

.tag--ember {
  border-color: rgba(232, 85, 47, 0.5);
  background: var(--ember-soft);
  color: var(--ember);
}

.panel {
  padding: clamp(20px, 2.4vw, 32px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: var(--tier);
  box-shadow: var(--shadow-panel);
}

.panel--cream {
  background: var(--cream);
  border-color: rgba(26, 20, 16, 0.14);
  color: var(--ink);
}

.panel--cream h1,
.panel--cream h2,
.panel--cream h3,
.panel--cream h4,
.panel--cream strong { color: var(--ink); }

.panel--cream a { color: #0B5C42; }
.panel--cream a:hover { color: var(--ember); }

.panel--cream .eyebrow { color: var(--ember); }

.panel--float {
  background: rgba(18, 41, 63, 0.96);
  border-color: rgba(61, 220, 151, 0.55);
  box-shadow: var(--shadow-float);
}

.breadcrumb {
  width: min(var(--shell), 100% - (var(--gutter) * 2));
  margin-inline: auto;
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  color: rgba(169, 184, 198, 0.5);
}

.breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

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

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

/* 9. 图片与数据叠层容器 */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(150deg, var(--panel), var(--night));
  aspect-ratio: 16 / 9;
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0.3;
  background-image:
    linear-gradient(rgba(61, 220, 151, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61, 220, 151, 0.14) 1px, transparent 1px);
  background-size: 44px 44px;
}

.media-frame img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }

/* 10. 入场显现 */
[data-reveal].is-armed {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}

[data-reveal].is-armed.is-visible {
  opacity: 1;
  transform: none;
}

/* 11. 响应式 */
@media (max-width: 1040px) {
  .masthead {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .masthead__title {
    padding: 0;
    text-align: left;
  }

  .masthead__kicker { letter-spacing: 0.3em; }

  .quick-coords { justify-content: flex-start; }
}

@media (max-width: 1000px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-brand { grid-column: 1 / -1; }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; }

  .site-nav {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.32s var(--ease);
  }

  .site-nav[data-open] { max-height: 34rem; }

  .site-nav__list {
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    padding-bottom: 12px;
  }

  .site-nav__link { padding: 13px 0 13px 16px; }

  .site-nav__link::after {
    left: 16px;
    right: auto;
    bottom: 10px;
    width: 26px;
  }

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

@media (max-width: 720px) {
  :root { --gutter: 16px; }

  body { font-size: 16px; }

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

  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .footer-legal__inner { justify-content: flex-start; }
}

/* 12. 动效降级 */
@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-armed {
    opacity: 1 !important;
    transform: none !important;
  }

  .scroll-progress { display: none !important; }
}