/* ==========================================================================
   风动赛事 · 共享样式表 /assets/site.css
   墨底黑绿 + 荧光青绿锚点 + 高亮琥珀对照；切角面板、斜线与网格纹理
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root {
  --ink-base: #080F0C;
  --ink-panel: #10201A;
  --field-deep: #0C3A2C;
  --cyan: #3BFFC4;
  --mid: #1FA37E;
  --amber: #FFB020;
  --amber-soft: #FFD98A;
  --white: #F4F8F6;
  --mist: #9FB6AC;
  --line: #24413A;

  --rail-w: 240px;
  --strip-h: 48px;
  --cut: 16px;
  --pad: clamp(18px, 4vw, 48px);

  --font-display: "Oswald", "Barlow Condensed", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;

  --ease: cubic-bezier(.2, .8, .2, 1);
  --cut-tr: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
html.nav-open { overflow: hidden; }
body, h1, h2, h3, h4, h5, p, ul, ol, figure, blockquote, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video, canvas { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }
::selection { background: var(--cyan); color: #05130E; }

/* ---------- 3. 中文排版基座 ---------- */
body {
  min-height: 100vh;
  padding-left: var(--rail-w);
  padding-top: var(--strip-h);
  background: var(--ink-base);
  color: var(--white);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
  line-height: 1.1;
  text-wrap: balance;
}
h1 { font-size: clamp(34px, 6vw, 72px); }
h2 { font-size: clamp(24px, 3.6vw, 40px); }
h3 { font-size: clamp(19px, 2.2vw, 26px); }
h4 { font-size: 17px; line-height: 1.4; }
strong { color: var(--cyan); font-weight: 700; }
small { font-size: 12px; color: var(--mist); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  margin: -1px; padding: 0;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}

/* ---------- 4. 布局基座 ---------- */
.container { width: 100%; max-width: 1180px; margin-inline: auto; padding-inline: var(--pad); }
.section { padding-block: clamp(44px, 7vw, 96px); }
.grid { display: grid; gap: 16px; }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.col-4 { grid-column: span 4; }
.col-6 { grid-column: span 6; }
.col-8 { grid-column: span 8; }
.col-12 { grid-column: span 12; }
.cut { clip-path: var(--cut-tr); }

/* ---------- 5. 通用标记 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--mist);
}
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--cyan); }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.tag--cyan { color: var(--cyan); border-color: rgba(59, 255, 196, .45); }
.tag--amber { color: var(--amber); border-color: rgba(255, 176, 32, .45); }

.diagonal-band {
  height: clamp(36px, 6vw, 72px);
  background: repeating-linear-gradient(-6deg, var(--field-deep) 0 16px, transparent 16px 32px);
  opacity: .85;
}

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 11px 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-align: center;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--line);
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background .2s var(--ease), color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease);
}
.btn:hover { transform: translateX(3px); border-color: var(--cyan); color: var(--cyan); }
.btn--primary { background: var(--cyan); border-color: var(--cyan); color: #05130E; }
.btn--primary:hover { background: var(--amber); border-color: var(--amber); color: #1A1000; }
.btn--ghost { border-color: rgba(159, 182, 172, .5); color: var(--white); }
.btn--sm { min-height: 36px; padding: 8px 14px; font-size: 11px; }
.btn--block { width: 100%; }

/* ---------- 7. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--cyan);
  color: #05130E;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
  transform: translateY(-180%);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: translateY(0); }

/* ---------- 8. 头部：轨道导航 ---------- */
.site-header { display: block; }

.rail {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 70;
  display: flex;
  flex-direction: column;
  width: var(--rail-w);
  height: 100vh;
  height: 100dvh;
  padding: 22px 0 18px;
  background: var(--field-deep);
  border-right: 1px solid var(--line);
  overflow-y: auto;
  overscroll-behavior: contain;
}
.rail::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(to bottom, rgba(244, 248, 246, .06) 0 1px, transparent 1px 30px),
    repeating-linear-gradient(to right, rgba(244, 248, 246, .06) 0 1px, transparent 1px 30px);
}
.rail__head { position: relative; padding: 0 20px 18px; border-bottom: 1px solid rgba(244, 248, 246, .14); }

.brand {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--white);
}
.brand__mark {
  width: 8px;
  height: 22px;
  flex: none;
  background: var(--cyan);
  transform: skewX(-16deg);
  box-shadow: 0 0 18px rgba(59, 255, 196, .45);
}
.brand__text { font-size: 22px; line-height: 1.1; }
.brand__sub {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 400;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--mist);
}
.brand--compact .brand__text { font-size: 17px; }
.brand--compact .brand__mark { width: 6px; height: 16px; }
.brand--footer .brand__text { font-size: 26px; }

.rail__nav { position: relative; flex: 1 1 auto; padding: 14px 0; }
.nav-list { display: flex; flex-direction: column; gap: 2px; }
.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 20px;
  color: var(--white);
  font-size: 15px;
  font-weight: 500;
  transition: color .2s var(--ease), background .2s var(--ease), transform .2s var(--ease);
}
.nav-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 2px;
  height: 22px;
  background: var(--cyan);
  transform: translateY(-50%) scaleY(0);
  transition: transform .2s var(--ease);
}
.nav-link__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
  transition: color .2s var(--ease);
}
.nav-link__label { line-height: 1.4; }
.nav-link:hover { background: rgba(244, 248, 246, .06); transform: translateX(2px); }
.nav-link:hover .nav-link__num { color: var(--amber); }
.nav-link[aria-current="page"] {
  color: var(--cyan);
  background: linear-gradient(90deg, rgba(59, 255, 196, .16), rgba(59, 255, 196, 0));
}
.nav-link[aria-current="page"]::before { transform: translateY(-50%) scaleY(1); }
.nav-link[aria-current="page"] .nav-link__num { color: var(--cyan); }
.nav-link[aria-current="page"] .nav-link__label { font-weight: 700; }

.rail__foot {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 16px 20px 0;
  border-top: 1px solid rgba(244, 248, 246, .14);
}
.rail__refresh {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mist);
}

/* ---------- 9. 顶部细条与刷新指示器 ---------- */
.top-strip {
  position: fixed;
  top: 0;
  left: var(--rail-w);
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  gap: 16px;
  height: var(--strip-h);
  padding: 0 clamp(14px, 2vw, 24px);
  background: rgba(16, 32, 26, .94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.top-strip__brand { display: none; }

.refresh {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
}
.refresh__dot {
  position: relative;
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(59, 255, 196, .16);
}
.refresh__dot.is-pulse::after {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 1px solid var(--cyan);
  animation: refreshRing .6s var(--ease) forwards;
}
@keyframes refreshRing {
  from { transform: scale(.6); opacity: .9; }
  to { transform: scale(2.6); opacity: 0; }
}
.refresh__label { color: var(--mist); }
.refresh__time { color: var(--cyan); font-variant-numeric: tabular-nums; }
.season-tag {
  margin-left: auto;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid rgba(255, 176, 32, .42);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}

/* ---------- 10. 移动导航按钮与抽屉 ---------- */
.nav-toggle {
  display: none;
  position: fixed;
  top: 9px;
  right: 12px;
  z-index: 96;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 0 100%);
}
.nav-toggle:hover { border-color: var(--cyan); color: var(--cyan); }
.nav-toggle__bars { display: inline-flex; flex-direction: column; justify-content: space-between; width: 16px; height: 11px; }
.nav-toggle__bars span { display: block; height: 2px; background: var(--cyan); transition: transform .2s var(--ease); }
.site-header[data-open] .nav-toggle__bars span:first-child { transform: translateY(4.5px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars span:last-child { transform: translateY(-4.5px) rotate(-45deg); }

.rail-scrim {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 80;
  background: rgba(4, 10, 8, .72);
  opacity: 0;
  pointer-events: none;
  transition: opacity .28s var(--ease);
}
.site-header[data-open] .rail-scrim { opacity: 1; pointer-events: auto; }

.m-cta {
  display: none;
  position: fixed;
  right: 14px;
  bottom: 14px;
  z-index: 70;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: var(--cyan);
  color: #05130E;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5);
  transition: opacity .2s var(--ease);
}
html.nav-open .m-cta { opacity: 0; pointer-events: none; }

/* ---------- 11. 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(48px, 8vw, 110px);
  padding: clamp(38px, 6vw, 72px) var(--pad) 20px;
  background: var(--field-deep);
  color: var(--white);
  border-top: 1px solid var(--line);
  overflow: hidden;
}
.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(244, 248, 246, .055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 248, 246, .055) 1px, transparent 1px);
  background-size: 34px 34px;
}
.site-footer::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 42%;
  height: 100%;
  pointer-events: none;
  background: linear-gradient(-6deg, rgba(59, 255, 196, .08), transparent 62%);
}
.site-footer > * { position: relative; }

.site-footer__grid {
  display: grid;
  grid-template-columns: minmax(230px, 1.5fr) 1fr 1fr minmax(220px, 1.2fr);
  gap: clamp(24px, 4vw, 48px);
  max-width: 1180px;
  margin-inline: auto;
  padding-bottom: clamp(26px, 4vw, 44px);
  border-bottom: 1px solid rgba(244, 248, 246, .16);
}
.site-footer__brand { display: grid; gap: 12px; align-content: start; }
.footer-tagline {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}
.footer-note { max-width: 34ch; font-size: 13px; line-height: 1.7; color: var(--mist); }

.site-footer__title {
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--white);
}
.site-footer__list { display: grid; gap: 9px; }
.site-footer__link {
  display: inline-block;
  font-size: 14px;
  color: var(--mist);
  transition: color .2s var(--ease), transform .2s var(--ease);
}
.site-footer__link:hover { color: var(--cyan); transform: translateX(3px); }

.contact-line { display: flex; flex-wrap: wrap; gap: 4px 10px; align-items: baseline; }
.contact-line__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--mid);
}
.contact-line__val { font-size: 13px; color: var(--white); word-break: break-word; }

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  max-width: 1180px;
  margin-inline: auto;
  padding-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--mist);
}
.site-footer__copy { font-size: 11px; }
.site-footer__icp { font-size: 11px; color: var(--mist); }

/* ---------- 12. 面包屑 ---------- */
.breadcrumb { margin-bottom: clamp(20px, 3vw, 32px); }
.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--mist);
}
.breadcrumb__list li { display: flex; align-items: center; gap: 8px; }
.breadcrumb__list li + li::before { content: "/"; color: var(--line); }
.breadcrumb__list a:hover { color: var(--cyan); }
.breadcrumb__list [aria-current="page"] { color: var(--white); }

/* ---------- 13. 面板与图片容器 ---------- */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: var(--ink-panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-tr);
}

.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(140deg, var(--field-deep), var(--ink-panel));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
}
.media-frame img,
.media-frame video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(244, 248, 246, .1) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(244, 248, 246, .1) 1px, transparent 1px);
  background-size: 48px 48px;
  mix-blend-mode: screen;
  opacity: .45;
}
.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--tall { aspect-ratio: 4 / 5; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame__tag {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 6px 10px;
  background: var(--ink-base);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

/* ---------- 14. 分段标签页 ---------- */
.tabs { display: grid; gap: 16px; }
.tab-list {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}
.tab {
  flex: none;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--mist);
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}
.tab:hover { color: var(--white); background: rgba(244, 248, 246, .05); }
.tab[aria-selected="true"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: linear-gradient(180deg, rgba(59, 255, 196, .12), transparent);
}
.tab-panel { padding-top: 4px; }

/* ---------- 15. 过滤输入 ---------- */
.field {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  background: var(--ink-panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}
.field:focus-within { border-color: var(--cyan); }
.field__input {
  flex: 1 1 auto;
  min-width: 0;
  background: transparent;
  border: 0;
  color: var(--white);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
}
.field__input::placeholder { color: var(--mist); }
.field__input:focus { outline: none; }

/* ---------- 16. 滚动显现 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateX(-12px);
  transition: opacity .42s var(--ease), transform .42s var(--ease);
}
[data-reveal].is-in { opacity: 1; transform: none; }

/* ---------- 17. 平板 ---------- */
@media (max-width: 1279px) and (min-width: 1024px) {
  :root { --rail-w: 208px; }
  .nav-link { font-size: 14px; padding-inline: 16px; }
  .rail__head, .rail__foot { padding-inline: 16px; }
}

/* ---------- 18. 移动与平板：抽屉导航 ---------- */
@media (max-width: 1023px) {
  :root { --rail-w: 0px; --strip-h: 56px; }

  body { padding-left: 0; padding-top: var(--strip-h); }

  .rail {
    width: min(84vw, 320px);
    padding-top: 18px;
    visibility: hidden;
    transform: translateX(-102%);
    z-index: 90;
    box-shadow: 24px 0 60px rgba(0, 0, 0, .55);
    transition: transform .32s var(--ease), visibility 0s linear .32s;
  }
  .site-header[data-open] .rail {
    visibility: visible;
    transform: translateX(0);
    transition: transform .32s var(--ease), visibility 0s;
  }

  .nav-link { padding: 14px 20px; font-size: 16px; }

  .top-strip { padding-right: 112px; }
  .top-strip__brand { display: flex; }

  .nav-toggle { display: inline-flex; }
  .rail-scrim { display: block; }
  .m-cta { display: inline-flex; }

  .site-footer__grid { grid-template-columns: 1fr 1fr; }
  .col-4, .col-6, .col-8 { grid-column: span 12; }
}

/* ---------- 19. 手机 ---------- */
@media (max-width: 639px) {
  :root { --strip-h: 56px; --pad: 16px; }

  .season-tag { display: none; }
  .refresh__label { display: none; }
  .top-strip { padding-right: 104px; gap: 10px; }
  .top-strip__brand .brand__text { font-size: 16px; }

  .site-footer { padding-inline: 20px; }
  .site-footer__grid { grid-template-columns: 1fr; }
  .site-footer__bottom { flex-direction: column; align-items: flex-start; }
  .footer-note { max-width: none; }
  .m-cta { right: 12px; bottom: 12px; }
}

/* ---------- 20. 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
  .refresh__dot.is-pulse::after { animation: none !important; opacity: 0; }
  .btn:hover, .nav-link:hover, .site-footer__link:hover { transform: none; }
}