/* =========================================================
   亚星CN · 共享样式 /assets/site.css
   深墨绿画布 · 荧光青柠刻度 · 暖琥珀行动 · 冷灰蓝结构
   ========================================================= */

/* 1. 变量 ------------------------------------------------- */
:root {
  --ink-green: #0A1F1A;
  --field-green: #123A30;
  --lime: #C6FF4A;
  --amber: #F0A33C;
  --slate: #7893A6;
  --paper: #F3EFE3;
  --ink: #06120E;
  --mint: #A8C3B7;
  --rule: #2A4A3F;
  --coral: #E36B52;

  --font-body: "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "IBM Plex Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --maxw: 1240px;
  --gut: clamp(0.75rem, 3vw, 2rem);
  --edge: min(100% - (var(--gut) * 2), var(--maxw));
}

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

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

body {
  margin: 0;
  background: var(--ink-green);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
img, svg, video { display: block; max-width: 100%; height: auto; }
table { width: 100%; border-collapse: collapse; }
[hidden] { display: none !important; }
.is-hidden { display: none !important; }

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

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

/* 3. 基础工具 --------------------------------------------- */
.wrap {
  width: var(--edge);
  margin-inline: auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

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

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--mint);
  text-transform: uppercase;
}

/* 4. 标签与脉冲 ------------------------------------------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.15rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
  color: var(--mint);
  border: 1px solid var(--rule);
  white-space: nowrap;
}

.tag--lime {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-green);
  font-weight: 700;
}

.tag--amber {
  border-color: var(--amber);
  color: var(--amber);
}

.tag--slate {
  border-color: var(--slate);
  color: var(--slate);
}

.pulse-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.35; transform: scale(0.8); }
}

/* 5. 按钮 ------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.4;
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

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

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

.btn--ghost {
  background: transparent;
  color: var(--paper);
}
.btn--ghost:hover {
  border-color: var(--lime);
  color: var(--lime);
}

/* 6. 面包屑 ----------------------------------------------- */
.breadcrumbs {
  padding-block: 1.25rem 0.25rem;
  font-size: 0.8125rem;
  color: var(--mint);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--rule);
}

.breadcrumbs a:hover { color: var(--lime); }
.breadcrumbs [aria-current="page"] { color: var(--paper); }

/* 7. 网格与非对称双栏 ------------------------------------- */
.grid {
  display: grid;
  gap: clamp(1rem, 3vw, 2rem);
}

.grid--3 {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.split {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 4vw, 3rem);
}

@media (min-width: 900px) {
  .split { grid-template-columns: 1.6fr 1fr; }
  .split--reverse { grid-template-columns: 1fr 1.6fr; }
}

/* 8. 图片容器 --------------------------------------------- */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--rule);
  background: linear-gradient(135deg, var(--field-green) 0%, var(--ink-green) 100%);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(198, 255, 74, 0.13) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(120, 147, 166, 0.12) 0 1px, transparent 1px 44px);
}

.media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.75rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.06em;
  color: var(--paper);
  background: linear-gradient(transparent, rgba(6, 18, 14, 0.88));
}

/* 9. 浅纸阅读区 ------------------------------------------- */
.prose {
  padding: clamp(1.25rem, 4vw, 2.5rem);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.8;
}

.prose > * + * { margin-top: 1rem; }

.prose h2,
.prose h3 {
  line-height: 1.3;
  color: var(--ink-green);
}

.prose h2 {
  margin-top: 2rem;
  font-size: clamp(1.375rem, 2.6vw, 1.75rem);
  font-weight: 900;
  letter-spacing: -0.01em;
}

.prose h3 {
  margin-top: 1.5rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.prose ul,
.prose ol {
  padding-left: 1.4em;
  list-style: disc;
}

.prose ol { list-style: decimal; }
.prose li + li { margin-top: 0.45rem; }

.prose a {
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--amber);
}

.prose strong { font-weight: 700; }

.prose :focus-visible {
  outline: 2px solid var(--field-green);
  outline-offset: 3px;
}

/* 10. 显现与滚动进度 -------------------------------------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--lime);
  transform: scaleX(0);
  transform-origin: 0 50%;
  z-index: 90;
  pointer-events: none;
}

.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.32s ease, transform 0.32s ease;
}

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

/* 11. 页头 ------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: var(--ink-green);
  border-bottom: 1px solid var(--rule);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--lime), transparent 45%, var(--slate));
  opacity: 0.45;
}

.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -100px;
  z-index: 100;
  padding: 0.6rem 1rem;
  background: var(--lime);
  color: var(--ink-green);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: top 0.18s ease;
}

.skip-link:focus { top: 0.5rem; }

.header-inner {
  width: var(--edge);
  margin-inline: auto;
}

.header-top {
  background: linear-gradient(180deg, #0C241E 0%, var(--ink-green) 100%);
}

.header-top-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem 0.75rem;
  padding-block: 0.7rem;
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand__glyph {
  flex: none;
  width: 26px;
  height: 26px;
  border-left: 2px solid var(--amber);
  background:
    linear-gradient(var(--lime), var(--lime)) 0 0 / 100% 2px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 0 50% / 72% 2px no-repeat,
    linear-gradient(var(--lime), var(--lime)) 0 100% / 44% 2px no-repeat;
  transform: skewX(-12deg);
  transition: transform 0.25s ease;
}

.brand:hover .brand__glyph { transform: skewX(-12deg) translateY(-1px); }

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand__name {
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.brand__tagline {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.18em;
  color: var(--mint);
}

/* 联赛切换器 */
.league-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.league-switcher__label {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--slate);
  white-space: nowrap;
}

.league-switcher__group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.league-chip {
  padding: 0.28rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--mint);
  border: 1px solid var(--rule);
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.league-chip:hover {
  color: var(--lime);
  border-color: var(--lime);
}

.league-chip[aria-pressed="true"] {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--ink-green);
  font-weight: 700;
}

/* 行动区 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.header-cta {
  padding: 0.5rem 0.85rem;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--ink);
  background: var(--amber);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
  transition: background-color 0.18s ease, color 0.18s ease;
}

.header-cta:hover {
  background: var(--lime);
  color: var(--ink-green);
}

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 44px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--rule);
  transition: border-color 0.18s ease;
}

.nav-toggle:hover { border-color: var(--lime); }

.nav-toggle__bar {
  display: block;
  width: 18px;
  height: 2px;
  margin-inline: auto;
  background: var(--lime);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(6px) 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(-6px) rotate(-45deg);
}

/* 栏目轨道 */
.header-bottom {
  display: none;
  background: var(--field-green);
  border-top: 1px solid var(--rule);
}

.header-bottom[data-open] { display: block; }

.header-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.nav-list {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.nav-list a {
  display: block;
  padding: 0.85rem 0.25rem;
  font-size: 0.9375rem;
  color: var(--mint);
  border-bottom: 1px solid var(--rule);
  transition: color 0.16s ease;
}

.nav-list a:hover { color: var(--lime); }

.nav-list a[aria-current="page"] {
  color: var(--lime);
  font-weight: 700;
}

.nav-list a[aria-current="page"]::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 0.5rem;
  vertical-align: middle;
  background: var(--lime);
}

.nav-note { display: none; }

/* 12. 页脚 ------------------------------------------------ */
.site-footer {
  position: relative;
  margin-top: clamp(2.5rem, 7vw, 5rem);
  background: var(--field-green);
  border-top: 1px solid var(--rule);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--lime) 0 2px, transparent 2px 28px);
  opacity: 0.45;
}

.footer-inner {
  width: var(--edge);
  margin-inline: auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2.25rem, 5vw, 3.5rem) clamp(1.5rem, 4vw, 2.5rem);
}

.footer-brand__mark {
  display: inline-block;
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.footer-brand__mark:hover { color: var(--lime); }

.footer-brand__tagline {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  color: var(--lime);
}

.footer-brand__note {
  margin-top: 0.75rem;
  max-width: 28ch;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mint);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.footer-col__title {
  margin-bottom: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--slate);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: var(--mint);
  transition: color 0.16s ease;
}

.footer-links a:hover { color: var(--lime); }

.footer-contact__list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: 0.8125rem;
  color: var(--mint);
}

.footer-contact__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.14em;
  color: var(--slate);
}

.footer-contact__value {
  display: block;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.footer-bottom {
  background: var(--ink-green);
  border-top: 1px solid var(--rule);
}

.footer-bottom-inner {
  width: var(--edge);
  margin-inline: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1rem;
}

.footer-legal {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  color: var(--mint);
}

.footer-bottom__note {
  max-width: 62ch;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--slate);
}

/* 13. 断点 ------------------------------------------------ */
@media (max-width: 899px) {
  .league-switcher {
    order: 3;
    width: 100%;
    overflow-x: auto;
    padding-bottom: 0.15rem;
  }

  .league-switcher__label { display: none; }
  .league-switcher__group { flex-wrap: nowrap; }
}

@media (min-width: 760px) {
  .footer-inner { grid-template-columns: 1.2fr 1.8fr; }
  .footer-contact { grid-column: 1 / -1; }
}

@media (min-width: 900px) {
  .nav-toggle { display: none; }

  .header-bottom { display: block; }

  .nav-list {
    flex-direction: row;
    flex-wrap: wrap;
    width: auto;
    gap: 0.15rem;
  }

  .nav-list a {
    padding: 0.9rem 1rem;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
    border-bottom: 2px solid transparent;
  }

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

  .nav-list a[aria-current="page"]::before { display: none; }

  .nav-note {
    display: block;
    font-family: var(--font-mono);
    font-size: 0.625rem;
    letter-spacing: 0.16em;
    white-space: nowrap;
    color: var(--slate);
  }
}

@media (min-width: 1100px) {
  .footer-inner {
    grid-template-columns: 1.1fr 1.7fr 1.2fr;
    align-items: start;
  }

  .footer-nav { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer-contact { grid-column: auto; }
}

/* 14. 降低动态偏好 ---------------------------------------- */
@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;
  }

  .scroll-progress { display: none; }

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

  .pulse-dot { animation: none; opacity: 1; }
}