/* ==========================================================================
   狗威赛场 · 共享样式表 /assets/site.css
   结构：重置 → 令牌 → 排版 → 布局 → 页头轨道 → 页脚档案柜 → 组件 → 响应式
   ========================================================================== */

/* ---------- 1. 重置 ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

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

ul[class],
ol[class] { list-style: none; padding: 0; }

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

button, input, select, textarea { font: inherit; color: inherit; }

[hidden] { display: none !important; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --gw-paper: #F3EEE4;
  --gw-ink: #14181A;
  --gw-panel: #22282B;
  --gw-turf: #1B6B45;
  --gw-turf-deep: #155537;
  --gw-whistle: #F2C230;
  --gw-yellow: #FFD84D;
  --gw-red: #D8342B;
  --gw-lake: #1F6E82;
  --gw-lake-soft: #6FBBD0;
  --gw-card: #FBF8F2;
  --gw-stone: #6E767B;

  --gw-line: rgba(20, 24, 26, .14);
  --gw-line-soft: rgba(20, 24, 26, .08);
  --gw-line-dark: rgba(243, 238, 228, .16);
  --gw-on-dark: rgba(243, 238, 228, .74);

  --gw-rail: 88px;
  --gw-read: 34em;

  --gw-r-lg: 28px;
  --gw-r-md: 20px;
  --gw-r-sm: 12px;
  --gw-r-pill: 999px;

  --gw-ease: cubic-bezier(.22, .61, .36, 1);
  --gw-fast: 140ms;
  --gw-slow: 260ms;

  --gw-max: 1320px;
  --gw-mono: ui-monospace, "SFMono-Regular", "DejaVu Sans Mono", Menlo, Consolas, "Courier New", monospace;
}

/* ---------- 3. 中文排版 ---------- */
body {
  background-color: var(--gw-paper);
  color: var(--gw-ink);
  font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  font-feature-settings: "kern" 1;
  min-height: 100vh;
  overflow-x: hidden;
}

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

a {
  color: var(--gw-lake);
  text-decoration-thickness: .06em;
  text-underline-offset: .18em;
}

strong, b { font-weight: 700; }

:where(a, button, [tabindex], summary):focus-visible {
  outline: 3px solid var(--gw-whistle);
  outline-offset: 2px;
  border-radius: 6px;
}

.gw-display {
  font-weight: 200;
  font-size: clamp(3.2rem, 8.5vw, 7rem);
  line-height: 1.04;
  letter-spacing: .02em;
  margin: 0;
}

.gw-lede {
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  line-height: 1.8;
  color: rgba(20, 24, 26, .78);
  max-width: 32em;
}

.gw-copy { max-width: var(--gw-read); }
.gw-copy p { margin: 0 0 1.05em; }
.gw-copy p:last-child { margin-bottom: 0; }

.gw-index {
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gw-stone);
}

.gw-num { font-family: var(--gw-mono); font-variant-numeric: tabular-nums; }

/* ---------- 4. 布局骨架 ---------- */
.gw-container {
  width: 100%;
  max-width: var(--gw-max);
  margin-inline: auto;
  padding-inline: 20px;
}

@media (min-width: 768px) {
  .gw-container { padding-inline: 32px; }
}

@media (min-width: 1024px) {
  .gw-container { padding-left: 40px; padding-right: 56px; }
}

.gw-main { display: block; min-height: 60vh; }

.gw-section { padding-block: 52px; }

@media (min-width: 1024px) {
  .gw-section { padding-block: 84px; }
}

.gw-stack { display: grid; gap: 22px; }

.gw-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 768px) {
  .gw-grid { grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 24px; }
}

@media (min-width: 1024px) {
  .gw-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); }
}

/* ---------- 5. 跳转链接 ---------- */
.gw-skip {
  position: absolute;
  top: -80px;
  left: 12px;
  z-index: 400;
  padding: 11px 20px;
  border-radius: var(--gw-r-pill);
  background-color: var(--gw-whistle);
  color: var(--gw-ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  text-decoration: none;
  transition: top 160ms var(--gw-ease);
}

.gw-skip:focus,
.gw-skip:focus-visible { top: 12px; }

/* ---------- 6. 页头与侧边轨道 ---------- */
.gw-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background-color: var(--gw-panel);
  color: var(--gw-paper);
  border-bottom: 1px solid rgba(243, 238, 228, .08);
}

.gw-bar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 9px 16px;
  background-color: var(--gw-panel);
}

/* 品牌标记：两块轻微倾斜的判罚牌 */
.gw-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: inherit;
  text-decoration: none;
}

.gw-brand__mark {
  position: relative;
  display: block;
  flex: 0 0 auto;
  width: 34px;
  height: 24px;
}

.gw-brand__mark i {
  position: absolute;
  top: 1px;
  display: block;
  width: 14px;
  height: 20px;
  border-radius: 3px;
}

.gw-brand__mark i:nth-child(1) {
  left: 0;
  background-color: var(--gw-yellow);
  transform: rotate(-7deg);
}

.gw-brand__mark i:nth-child(2) {
  right: 0;
  background-color: var(--gw-red);
  transform: rotate(6deg);
}

.gw-brand__text { display: block; }

.gw-wordmark {
  display: block;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.2;
  color: var(--gw-paper);
}

.gw-wordmark__latin {
  display: block;
  font-family: var(--gw-mono);
  font-size: 9px;
  letter-spacing: .2em;
  color: rgba(243, 238, 228, .46);
}

/* 移动端抽屉按钮 */
.gw-nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid rgba(243, 238, 228, .2);
  border-radius: var(--gw-r-pill);
  background-color: rgba(243, 238, 228, .06);
  color: var(--gw-paper);
  font-size: 12px;
  letter-spacing: .14em;
  cursor: pointer;
  transition: background-color var(--gw-fast) var(--gw-ease),
    border-color var(--gw-fast) var(--gw-ease);
}

.gw-nav-toggle:hover { background-color: rgba(243, 238, 228, .13); }

.gw-nav-toggle__label { line-height: 1; }

.gw-nav-toggle__bars {
  display: block;
  width: 18px;
}

.gw-nav-toggle__bars i {
  display: block;
  height: 2px;
  margin: 3px 0;
  border-radius: 2px;
  background-color: var(--gw-whistle);
  transition: transform 180ms var(--gw-ease), opacity 180ms var(--gw-ease);
}

.gw-header[data-open] .gw-nav-toggle__bars i:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.gw-header[data-open] .gw-nav-toggle__bars i:nth-child(2) { opacity: 0; }
.gw-header[data-open] .gw-nav-toggle__bars i:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* 抽屉 / 轨道容器 */
.gw-drawer {
  position: fixed;
  inset: 0;
  z-index: 1;
  padding: 78px 20px 40px;
  background-color: var(--gw-panel);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 220ms var(--gw-ease), transform 220ms var(--gw-ease),
    visibility 220ms var(--gw-ease);
}

.gw-header[data-open] .gw-drawer {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.gw-nav { display: block; }
.gw-nav__list { display: grid; gap: 8px; }
.gw-nav__item { margin: 0; }

.gw-navlink {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  border-left: 3px solid transparent;
  border-radius: var(--gw-r-sm);
  color: rgba(243, 238, 228, .78);
  text-decoration: none;
  transition: background-color var(--gw-fast) var(--gw-ease),
    color var(--gw-fast) var(--gw-ease),
    border-color var(--gw-fast) var(--gw-ease),
    transform var(--gw-fast) var(--gw-ease);
}

.gw-navlink__num {
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: rgba(243, 238, 228, .4);
  transition: color var(--gw-fast) var(--gw-ease);
}

.gw-navlink__label {
  font-size: 15px;
  letter-spacing: .04em;
}

.gw-navlink:hover {
  background-color: rgba(243, 238, 228, .08);
  color: #fff;
  transform: translateY(-2px);
}

.gw-navlink[aria-current="page"] {
  background-color: rgba(242, 194, 48, .13);
  border-left-color: var(--gw-whistle);
  color: #fff;
}

.gw-navlink[aria-current="page"] .gw-navlink__num { color: var(--gw-whistle); }

/* 轨道脚标：红黄双牌 + 版本 */
.gw-drawer__foot {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 14px 16px;
  border: 1px solid rgba(243, 238, 228, .1);
  border-radius: var(--gw-r-md);
  background-color: rgba(243, 238, 228, .05);
}

.gw-flag {
  display: block;
  width: 12px;
  height: 18px;
  border-radius: 2px;
}

.gw-flag--yellow { background-color: var(--gw-yellow); }
.gw-flag--red { background-color: var(--gw-red); }

.gw-drawer__code {
  margin-left: auto;
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: rgba(243, 238, 228, .55);
}

@media (min-width: 1024px) {
  body { padding-left: var(--gw-rail); }

  .gw-header {
    position: fixed;
    inset: 0 auto 0 0;
    width: var(--gw-rail);
    display: flex;
    flex-direction: column;
    border-bottom: 0;
    border-right: 1px solid rgba(243, 238, 228, .08);
    overflow: hidden;
  }

  .gw-bar {
    flex-direction: column;
    justify-content: flex-start;
    gap: 14px;
    min-height: 0;
    padding: 20px 8px 16px;
    background-color: transparent;
  }

  .gw-brand { flex-direction: column; gap: 9px; }
  .gw-brand__text { text-align: center; }
  .gw-wordmark { font-size: 14px; letter-spacing: -.04em; }
  .gw-wordmark__latin { display: none; }

  .gw-nav-toggle { display: none; }

  .gw-drawer {
    position: static;
    inset: auto;
    flex: 1 1 auto;
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 6px 8px 18px;
    background-color: transparent;
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .gw-drawer__foot {
    margin-top: auto;
    padding: 12px 8px;
    justify-content: center;
    gap: 6px;
  }

  .gw-flag { width: 10px; height: 15px; }
  .gw-drawer__code { margin-left: 0; font-size: 10px; letter-spacing: .1em; }

  .gw-nav__list { gap: 6px; }

  .gw-navlink {
    flex-direction: column;
    align-items: center;
    gap: 5px;
    padding: 11px 4px;
    border-left: 0;
    border-radius: 14px;
    text-align: center;
  }

  .gw-navlink__label { font-size: 12px; line-height: 1.3; letter-spacing: .02em; }
  .gw-navlink__num { font-size: 10px; letter-spacing: .08em; }

  .gw-navlink[aria-current="page"] {
    border-radius: 0 14px 14px 0;
    box-shadow: inset 3px 0 0 var(--gw-whistle);
  }
}

/* ---------- 7. 页脚档案柜 ---------- */
.gw-footer {
  margin-top: 80px;
  padding: 52px 0 26px;
  background-color: var(--gw-panel);
  color: var(--gw-on-dark);
  border-radius: 32px 32px 0 0;
}

@media (min-width: 1024px) {
  .gw-footer { margin-top: 112px; padding: 72px 0 30px; }
}

.gw-footer__grid {
  display: grid;
  gap: 34px;
  grid-template-columns: 1fr;
}

@media (min-width: 768px) {
  .gw-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
}

@media (min-width: 1024px) {
  .gw-footer__grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
    gap: 44px;
  }
}

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

.gw-footer__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--gw-paper);
  text-decoration: none;
}

.gw-wordmark--footer { font-size: 19px; }

.gw-footer__text {
  margin-top: 16px;
  max-width: 30em;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(243, 238, 228, .6);
}

.gw-footer__icp {
  margin-top: 14px;
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(243, 238, 228, .42);
}

.gw-footer__title {
  margin-bottom: 16px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  color: rgba(243, 238, 228, .48);
}

.gw-footer__list { display: grid; gap: 10px; }
.gw-footer__list li { font-size: 14px; line-height: 1.7; }

.gw-footer__list--plain li { color: rgba(243, 238, 228, .66); }

.gw-footer__link {
  color: var(--gw-lake-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--gw-fast) var(--gw-ease),
    border-color var(--gw-fast) var(--gw-ease);
}

.gw-footer__link:hover {
  color: #fff;
  border-bottom-color: var(--gw-whistle);
}

.gw-footer__cta { margin-top: 20px; }

.gw-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid rgba(243, 238, 228, .12);
}

.gw-footer__meta {
  font-size: 12px;
  letter-spacing: .06em;
  color: rgba(243, 238, 228, .45);
}

/* ---------- 8. 通用组件 ---------- */
.gw-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: var(--gw-r-pill);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .05em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--gw-fast) var(--gw-ease),
    background-color var(--gw-fast) var(--gw-ease),
    border-color var(--gw-fast) var(--gw-ease),
    color var(--gw-fast) var(--gw-ease);
}

.gw-btn:hover { transform: translateY(-2px); }

.gw-btn--solid { background-color: var(--gw-turf); color: #fff; }
.gw-btn--solid:hover { background-color: var(--gw-turf-deep); }

.gw-btn--whistle { background-color: var(--gw-whistle); color: var(--gw-ink); font-weight: 700; }
.gw-btn--whistle:hover { background-color: var(--gw-yellow); }

.gw-btn--ghost {
  background-color: transparent;
  border-color: rgba(20, 24, 26, .22);
  color: var(--gw-ink);
}

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

.gw-btn--onDark {
  background-color: transparent;
  border-color: rgba(243, 238, 228, .28);
  color: var(--gw-paper);
}

.gw-btn--onDark:hover { border-color: var(--gw-whistle); color: var(--gw-whistle); }

.gw-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 8px 16px;
  border: 1px solid rgba(20, 24, 26, .16);
  border-radius: var(--gw-r-pill);
  background-color: var(--gw-card);
  color: var(--gw-ink);
  font-size: 13px;
  letter-spacing: .05em;
  cursor: pointer;
  transition: transform var(--gw-fast) var(--gw-ease),
    background-color var(--gw-fast) var(--gw-ease),
    border-color var(--gw-fast) var(--gw-ease);
}

.gw-chip:hover { transform: translateY(-2px); border-color: var(--gw-ink); }

.gw-chip[data-active],
.gw-chip[aria-pressed="true"] {
  background-color: var(--gw-whistle);
  border-color: var(--gw-whistle);
  font-weight: 700;
}

.gw-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .1em;
  line-height: 1.6;
}

.gw-tag--red { background-color: var(--gw-red); color: #fff; }
.gw-tag--yellow { background-color: var(--gw-yellow); color: var(--gw-ink); }
.gw-tag--turf { background-color: rgba(27, 107, 69, .14); color: var(--gw-turf); }

/* 面板 */
.gw-panel {
  position: relative;
  padding: 28px 22px;
  border: 1px solid var(--gw-line-soft);
  border-radius: var(--gw-r-lg);
  background-color: var(--gw-card);
}

@media (min-width: 768px) {
  .gw-panel { padding: 34px 30px; }
}

.gw-panel--tagged { padding-top: 56px; }
.gw-panel--paper { background-color: var(--gw-paper); }
.gw-panel--dark {
  background-color: var(--gw-panel);
  border-color: transparent;
  color: var(--gw-on-dark);
}

.gw-panel--dark .gw-panel__label,
.gw-panel--dark .gw-panel__title { color: var(--gw-paper); }

.gw-panel__label {
  position: absolute;
  top: 20px;
  left: 24px;
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--gw-stone);
}

.gw-panel__title {
  margin-bottom: 12px;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  font-weight: 900;
  letter-spacing: -.03em;
  line-height: 1.22;
}

.gw-card {
  padding: 20px 18px;
  border: 1px solid var(--gw-line-soft);
  border-radius: var(--gw-r-md);
  background-color: var(--gw-card);
}

/* 图片容器基座（页面阶段放 <img> 或占位文字） */
.gw-media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  border-radius: var(--gw-r-md);
  background-color: #2b3338;
  background-image: linear-gradient(140deg, #333c42 0%, #14181a 68%);
  aspect-ratio: 4 / 3;
}

.gw-media--wide { aspect-ratio: 16 / 9; }
.gw-media--tall { aspect-ratio: 3 / 4; }

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

.gw-media__hint {
  position: absolute;
  left: 16px;
  bottom: 14px;
  right: 16px;
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: rgba(243, 238, 228, .55);
}

/* 面包屑 */
.gw-breadcrumb { padding-block: 18px; }

.gw-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--gw-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gw-stone);
}

.gw-breadcrumb li { display: flex; align-items: center; gap: 8px; }
.gw-breadcrumb li + li::before { content: "/"; color: rgba(20, 24, 26, .28); }
.gw-breadcrumb a { color: var(--gw-lake); text-decoration: none; }
.gw-breadcrumb a:hover { text-decoration: underline; }

/* 筛选条 */
.gw-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-block: 6px;
}

/* ---------- 9. 动效 ---------- */
.gw-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px) scale(.98);
  transition: opacity var(--gw-slow) var(--gw-ease),
    transform var(--gw-slow) var(--gw-ease);
}

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

@keyframes gw-slot {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.gw-js [data-filter-root][data-filtered] [data-filter-item]:not([hidden]) {
  animation: gw-slot 260ms var(--gw-ease) both;
}

/* ---------- 10. 降低动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

  .gw-js [data-reveal],
  .gw-js [data-reveal][data-shown] {
    opacity: 1 !important;
    transform: none !important;
  }

  .gw-btn:hover,
  .gw-chip:hover,
  .gw-navlink:hover { transform: none; }
}