/* ============================================================
   亚盈体育 /assets/site.css —— 共享外壳样式
   暗底 · 高光描边 · 暖纸呼吸页
   ============================================================ */

/* ---------- 1. 变量 ---------- */
:root {
  --ink-950: #08120F;
  --ink-900: #0C1F1A;
  --ink-800: #123028;
  --paper: #F3EAD8;
  --paper-dim: #D9CDB4;
  --cyan: #2BE7C8;
  --orange: #FF5A2B;
  --amber: #FFC24B;
  --silver: #9AA6A1;
  --white: #EDF5F1;

  --line: rgba(154, 166, 161, 0.2);
  --line-strong: rgba(154, 166, 161, 0.34);
  --cyan-soft: rgba(43, 231, 200, 0.1);

  --rail-w: 0px;
  --bar-h: 58px;
  --gutter: 20px;

  --radius-lg: 26px;
  --radius-md: 16px;
  --radius-pill: 999px;

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

  --t-fast: 140ms;
  --t-base: 220ms;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 768px) {
  :root { --gutter: 34px; }
}

@media (min-width: 1180px) {
  :root { --rail-w: 132px; --bar-h: 64px; }
}

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

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

body {
  margin: 0;
  padding-left: var(--rail-w);
  min-height: 100vh;
  background-color: var(--ink-900);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, p, ul, ol, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

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

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

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

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--white);
}

strong { font-weight: 800; }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

@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;
  }
}

/* ---------- 3. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  padding: 10px 20px;
  border-radius: 0 0 14px 14px;
  background: var(--cyan);
  color: #04211C;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
  transition: top var(--t-base) var(--ease);
}

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

/* ---------- 4. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
}

.site-header__bar {
  display: flex;
  align-items: center;
  gap: 14px;
  height: var(--bar-h);
  padding: 0 18px;
  background: rgba(12, 31, 26, 0.96);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
  .site-header__bar { padding: 0 26px; gap: 20px; }
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  flex: 0 0 auto;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  color: var(--cyan);
  flex: 0 0 auto;
}

.brand__copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1px;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.05em;
  line-height: 1.2;
  color: var(--white);
}

.brand__status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  line-height: 1.4;
  color: var(--cyan);
  white-space: nowrap;
}

.brand__dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  flex: 0 0 auto;
  animation: brandPulse 2.2s var(--ease) infinite;
}

@keyframes brandPulse {
  0%   { box-shadow: 0 0 0 0 rgba(43, 231, 200, 0.55); }
  70%  { box-shadow: 0 0 0 8px rgba(43, 231, 200, 0); }
  100% { box-shadow: 0 0 0 0 rgba(43, 231, 200, 0); }
}

/* 右侧工具区 */
.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.header-tools__link {
  display: none;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  font-size: 13px;
  font-weight: 700;
  color: var(--silver);
  transition: color var(--t-fast) var(--ease);
}

.header-tools__link:hover { color: var(--cyan); }

@media (min-width: 640px) {
  .header-tools__link { display: inline-flex; }
}

/* 汉堡按钮 */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  min-width: 44px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  color: var(--paper);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

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

.nav-toggle__bars {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars i {
  display: block;
  height: 2px;
  width: 100%;
  border-radius: 2px;
  background: currentColor;
  transition: transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

@media (min-width: 1180px) {
  .nav-toggle { display: none; }
}

/* ---------- 5. 左侧导航导轨 ---------- */
.site-rail {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(82vw, 300px);
  z-index: 90;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overscroll-behavior: contain;
  background: linear-gradient(180deg, #0F2822 0%, var(--ink-950) 100%);
  border-right: 1px solid var(--line);
  box-shadow: 22px 0 48px rgba(8, 18, 15, 0.6);
  transform: translateX(-102%);
  visibility: hidden;
  transition: transform var(--t-base) var(--ease), visibility 0s linear var(--t-base);
}

.site-rail[data-open] {
  transform: none;
  visibility: visible;
  transition: transform var(--t-base) var(--ease), visibility 0s linear 0s;
}

.site-rail__cap {
  display: grid;
  place-items: center;
  height: var(--bar-h);
  flex: 0 0 auto;
  border-bottom: 1px solid var(--line);
}

.rail-cap__no {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
}

.site-rail__list {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
}

.rail-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 46px;
  padding: 0 12px 0 12px;
  border-left: 2px solid transparent;
  color: var(--silver);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease);
}

.rail-link__no {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: rgba(154, 166, 161, 0.55);
  transition: color var(--t-fast) var(--ease);
}

.rail-link:hover {
  color: var(--white);
  background: rgba(43, 231, 200, 0.07);
}

.rail-link[aria-current="page"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--cyan-soft);
}

.rail-link[aria-current="page"] .rail-link__no { color: var(--cyan); }

.rail-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 12px;
  bottom: 9px;
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.site-rail__line {
  flex: 0 0 auto;
  width: 2px;
  height: 90px;
  margin: 8px 0 24px 16px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan) 0%, rgba(43, 231, 200, 0) 100%);
  opacity: 0.6;
}

@media (min-width: 1180px) {
  .site-rail {
    width: var(--rail-w);
    z-index: 70;
    transform: none;
    visibility: visible;
    box-shadow: none;
    transition: none;
    background: linear-gradient(180deg, #123028 0%, #08120F 100%);
  }
  .site-rail__list { padding: 14px 0; }
}

/* 抽屉遮罩 */
body[data-nav-open] { overflow: hidden; }

body[data-nav-open]::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(8, 18, 15, 0.68);
}

@media (min-width: 1180px) {
  body[data-nav-open] { overflow: visible; }
  body[data-nav-open]::after { display: none; }
}

/* ---------- 6. 常用路径条 ---------- */
.path-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 34px;
  padding: 0 18px;
  background: var(--ink-950);
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.path-strip::-webkit-scrollbar { display: none; }

@media (min-width: 768px) {
  .path-strip { padding: 0 26px; gap: 16px; }
}

.path-strip__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(154, 166, 161, 0.7);
  white-space: nowrap;
  flex: 0 0 auto;
}

.path-strip__list {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
}

.path-strip__list li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.path-strip__list li + li::before {
  content: "/";
  color: rgba(154, 166, 161, 0.42);
  font-size: 12px;
}

.path-strip__list a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 2px;
  font-size: 12px;
  color: var(--silver);
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease);
}

.path-strip__list a:hover { color: var(--cyan); }

/* ---------- 7. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 13.5px;
  font-weight: 800;
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: background-color var(--t-fast) var(--ease),
              color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              transform var(--t-fast) var(--ease);
}

.btn:active { transform: translateY(1px); }

.btn--action {
  background: var(--orange);
  color: #1A0E08;
}

.btn--action:hover { background: #FF7A52; }

.btn--cyan {
  background: var(--cyan);
  color: #04211C;
}

.btn--cyan:hover { background: #55F0D6; }

.btn--ghost {
  border-color: var(--line-strong);
  color: var(--paper);
  background: rgba(243, 234, 216, 0.03);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ---------- 8. 通用布局 ---------- */
.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: 52px; }

@media (min-width: 1024px) {
  .section { padding-block: 80px; }
}

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

.section-title {
  font-size: clamp(24px, 3.2vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.lede {
  max-width: 34em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

@media (min-width: 768px) {
  .lede { font-size: 17px; }
}

.muted { color: var(--silver); }

.grid {
  display: grid;
  gap: 16px;
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 246px), 1fr)); }

/* ---------- 9. 卡片与标签 ---------- */
.card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--ink-800);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease);
}

.card:hover {
  border-color: rgba(43, 231, 200, 0.42);
  transform: translateY(-3px);
}

.card__title {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--white);
  margin-bottom: 8px;
}

.card__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

.card--paper {
  background: var(--paper);
  border-color: var(--paper-dim);
  color: #2A2418;
}

.card--paper .card__title,
.card--paper h3 {
  color: #1B1710;
}

.card--paper .card__meta { color: #6B5F49; }

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(243, 234, 216, 0.03);
  color: var(--paper-dim);
  font-size: 13.5px;
  font-weight: 700;
  transition: color var(--t-fast) var(--ease),
              border-color var(--t-fast) var(--ease),
              background-color var(--t-fast) var(--ease);
}

.chip:hover {
  color: var(--white);
  border-color: rgba(43, 231, 200, 0.55);
}

.chip[aria-pressed="true"],
.chip.is-active {
  background: var(--orange);
  border-color: var(--orange);
  color: #1A0E08;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  line-height: 1.6;
}

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

/* ---------- 10. 数据条 ---------- */
.data-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 28px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(120deg, rgba(18, 48, 40, 0.92) 0%, rgba(8, 18, 15, 0.92) 100%);
}

.data-strip__item {
  display: grid;
  gap: 2px;
  min-width: 88px;
}

.data-strip__value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--amber);
  line-height: 1.2;
}

.data-strip__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

/* ---------- 11. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  aspect-ratio: 16 / 9;
  background:
    radial-gradient(110% 80% at 18% 0%, rgba(43, 231, 200, 0.16), transparent 62%),
    linear-gradient(155deg, var(--ink-800) 0%, var(--ink-950) 100%);
}

.media__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
}

.media__caption {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--paper-dim);
  text-shadow: 0 1px 8px rgba(8, 18, 15, 0.8);
}

.media--hero { aspect-ratio: 4 / 5; border-radius: 28px; }
.media--wide { aspect-ratio: 21 / 9; }
.media--card { aspect-ratio: 3 / 2; border-radius: var(--radius-md); }
.media--phone { aspect-ratio: 9 / 19.5; border-radius: 32px; }

@media (max-width: 640px) {
  .media--hero { aspect-ratio: 3 / 4; }
  .media--wide { aspect-ratio: 16 / 9; }
}

/* ---------- 12. 编号索引 ---------- */
.index-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.index-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  align-items: baseline;
  padding: 14px 2px;
  border-bottom: 1px solid var(--line);
}

.index-list__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 13. 显现动效 ---------- */
.js-reveal [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
}

.js-reveal [data-reveal].is-visible {
  opacity: 1;
  transform: none;
  transition: opacity 240ms var(--ease), transform 240ms var(--ease);
}

@media (prefers-reduced-motion: reduce) {
  .js-reveal [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 14. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: 88px;
  background: var(--ink-950);
  border-top: 1px solid var(--line);
  color: var(--silver);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg,
    rgba(43, 231, 200, 0) 0%,
    var(--cyan) 16%,
    var(--amber) 44%,
    var(--orange) 72%,
    rgba(255, 90, 43, 0) 100%);
  opacity: 0.85;
}

.footer-inner {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding: 44px var(--gutter) 8px;
}

.footer-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.footer-brand { min-width: 0; }

.footer-brand__name {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.04em;
  color: var(--white);
  line-height: 1.2;
}

.footer-brand__note {
  margin-top: 4px;
  font-size: 13px;
  color: var(--silver);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding: 34px 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 26px; }
}

.footer-col { min-width: 0; }

.footer-col__title {
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-col__list li + li { margin-top: 9px; }

.footer-col__list a,
.footer-col__route a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  font-size: 14px;
  color: var(--paper-dim);
  transition: color var(--t-fast) var(--ease);
}

.footer-col__list a:hover,
.footer-col__route a:hover { color: var(--cyan); }

.footer-col__route {
  counter-reset: route;
  display: grid;
  gap: 6px;
}

.footer-col__route li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: rgba(154, 166, 161, 0.6);
}

.footer-col__route li a { font-family: var(--font-body); }

.footer-col__list--data li {
  display: grid;
  gap: 2px;
}

.footer-col__list--data li + li { margin-top: 12px; }

.data-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: rgba(154, 166, 161, 0.68);
}

.data-value {
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--paper-dim);
  word-break: break-word;
}

.footer-col--paper {
  padding: 18px 20px;
  border-radius: var(--radius-md);
  background: var(--paper);
  color: #2A2418;
}

.footer-col--paper .footer-col__title {
  color: #9A5A0E;
  margin-bottom: 10px;
}

.footer-col__text {
  font-size: 13px;
  line-height: 1.7;
  color: #4A4235;
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 22px;
  padding: 20px 0 26px;
  font-size: 12px;
}

.footer-base__copy {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: rgba(154, 166, 161, 0.82);
}

.footer-base__icp { color: var(--silver); }

.footer-base__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 16px;
}

.footer-base__links a {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  font-size: 12px;
  color: rgba(154, 166, 161, 0.85);
  transition: color var(--t-fast) var(--ease);
}

.footer-base__links a:hover { color: var(--cyan); }