/* =========================================================
   爱游戏体育主站 · 共享层 /assets/site.css
   夜场墨绿底 + 荧光青绿 / 暖橙数据强调 + 粗野主义边框
   ========================================================= */

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

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

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

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

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

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

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

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

[hidden] { display: none !important; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --ink: #0A1F1A;
  --carbon: #101417;
  --panel: #1B2420;
  --neon: #2BF5C4;
  --amber: #FF8A3D;
  --pulse: #FF3D7F;
  --paper: #F4F7F2;
  --mist: #9FB3AA;
  --line: #2E3A35;
  --lime: #C6FF4A;

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

  --shell: 1240px;
  --gutter: clamp(1.1rem, 4vw, 2.5rem);
  --header-strip: 34px;
  --header-bar: 68px;
  --header-offset: calc(var(--header-strip) + var(--header-bar));

  --fs-h1: clamp(1.9rem, 4.6vw, 3.2rem);
  --fs-h2: clamp(1.5rem, 3.1vw, 2.2rem);
  --fs-h3: clamp(1.12rem, 2.1vw, 1.45rem);
  --fs-body: clamp(1rem, 0.96rem + 0.2vw, 1.12rem);

  --radius: 2px;
  --shadow-hard: 6px 6px 0 0 rgba(0, 0, 0, 0.5);
  --shadow-soft: 0 18px 40px -26px rgba(0, 0, 0, 0.95);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  background-color: var(--ink);
  background-image:
    radial-gradient(900px 520px at 82% -8%, rgba(43, 245, 196, 0.09), transparent 62%),
    radial-gradient(700px 420px at 4% 32%, rgba(255, 138, 61, 0.06), transparent 60%),
    repeating-linear-gradient(0deg, rgba(46, 58, 53, 0.24) 0 1px, transparent 1px 96px);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  font-weight: 400;
  line-height: 1.85;
  letter-spacing: 0;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { max-width: 72ch; }

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

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

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

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

/* ---------- 4. 布局壳 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.site-main {
  display: block;
  padding-top: var(--header-offset);
}

.site-main--flush { padding-top: 0; }

/* ---------- 5. 头部 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 80;
  color: var(--paper);
  background: linear-gradient(180deg, rgba(10, 31, 26, 0.94) 0%, rgba(10, 31, 26, 0.55) 58%, rgba(10, 31, 26, 0) 100%);
  transition: background-color 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header[data-scrolled] {
  background-color: rgba(16, 20, 23, 0.97);
  background-image: linear-gradient(180deg, rgba(16, 20, 23, 0.98), rgba(16, 20, 23, 0.94));
  border-bottom-color: var(--line);
  box-shadow: 0 16px 32px -26px #000, 0 1px 0 0 rgba(43, 245, 196, 0.06);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
}

/* 转播条 */
.header-strip {
  height: var(--header-strip);
  overflow: hidden;
  background-color: var(--carbon);
  background-image: repeating-linear-gradient(115deg, rgba(43, 245, 196, 0.1) 0 6px, transparent 6px 15px);
  border-bottom: 1px solid var(--line);
  transition: height 0.35s var(--ease), opacity 0.28s linear, border-color 0.3s linear;
}

.site-header[data-scrolled] .header-strip {
  height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.header-strip__inner {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  height: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--mist);
  white-space: nowrap;
  overflow: hidden;
}

.header-strip__tag {
  color: var(--lime);
  flex: 0 0 auto;
}

.header-strip__meta {
  flex: 0 0 auto;
  color: var(--mist);
}

.header-strip__meta--wide {
  flex: 0 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.header-strip__rule {
  flex: 0 0 auto;
  width: 1px;
  height: 12px;
  background: var(--line);
}

.header-strip__cta {
  margin-inline-start: auto;
  flex: 0 0 auto;
  color: var(--neon);
  border-bottom: 1px solid currentColor;
  padding-bottom: 1px;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.header-strip__cta:hover {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 主标题栏 */
.header-bar { height: var(--header-bar); }

.header-bar__inner {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
  height: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  flex: 0 0 auto;
}

.brand__mark {
  display: inline-block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.98rem;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--ink);
  background: var(--neon);
  border: 2px solid var(--neon);
  padding: 0.42rem 0.5rem;
  box-shadow: 3px 3px 0 0 rgba(43, 245, 196, 0.22);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.brand:hover .brand__mark {
  background: var(--amber);
  border-color: var(--amber);
  box-shadow: 3px 3px 0 0 rgba(255, 138, 61, 0.25);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.brand__name {
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
}

.brand__sub {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  color: var(--mist);
}

/* 主导航 */
.site-nav { margin-inline-start: auto; }

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.15rem, 0.9vw, 0.75rem);
}

.site-nav__item { display: flex; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.6rem 0.55rem;
  font-size: 0.87rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mist);
  transition: color 0.2s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0.24rem;
  height: 2px;
  background: var(--neon);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.24s var(--ease), background-color 0.2s linear;
}

.site-nav__idx {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  color: var(--neon);
  opacity: 0.5;
  transition: color 0.2s var(--ease), opacity 0.2s var(--ease);
}

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

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

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  height: 3px;
  background: var(--amber);
}

.site-nav__link[aria-current="page"] .site-nav__idx {
  color: var(--amber);
  opacity: 1;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.45rem 0.7rem;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--paper);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--neon);
  transition: transform 0.26s var(--ease), opacity 0.2s linear;
}

.nav-toggle__label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  margin-top: clamp(3rem, 8vw, 6rem);
  background: var(--carbon);
  border-top: 3px solid var(--neon);
  color: var(--paper);
}

.footer-stripe {
  height: 6px;
  background: repeating-linear-gradient(135deg, var(--neon) 0 10px, var(--ink) 10px 20px, var(--amber) 20px 30px, var(--ink) 30px 40px);
  opacity: 0.85;
}

.footer-inner {
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(2rem, 5vw, 3.25rem) var(--gutter) clamp(1.5rem, 3vw, 2rem);
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.75fr) minmax(0, 1.15fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}

.footer-brand__mark {
  font-family: var(--font-mono);
  font-size: clamp(2.3rem, 6vw, 3.4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: rgba(43, 245, 196, 0.14);
  -webkit-text-stroke: 1px var(--neon);
  margin-bottom: 0.75rem;
}

.footer-brand__name {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
  margin-bottom: 0.5rem;
}

.footer-brand__desc {
  color: var(--mist);
  font-size: 0.92rem;
  line-height: 1.8;
  max-width: 34ch;
}

.footer-badge {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.3rem 0.6rem;
  border: 1px solid rgba(198, 255, 74, 0.4);
  color: var(--lime);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(148px, 1fr));
  gap: clamp(1.25rem, 3vw, 2.25rem);
}

.footer-col__title {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--neon);
  text-transform: uppercase;
  padding-bottom: 0.6rem;
  margin-bottom: 0.7rem;
  border-bottom: 1px solid var(--line);
}

.footer-list { display: grid; gap: 0.15rem; }

.footer-list__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.28rem 0;
  font-size: 0.92rem;
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.footer-list__link:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
  transform: translateX(2px);
}

.footer-list__idx {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--line);
  filter: brightness(1.9);
}

.footer-list__link:hover .footer-list__idx { color: var(--amber); }

.footer-contact { display: grid; gap: 0.35rem; align-content: start; }

.footer-contact__row {
  display: flex;
  gap: 0.6rem;
  align-items: baseline;
  font-size: 0.88rem;
  line-height: 1.75;
  max-width: none;
}

.footer-contact__label {
  flex: 0 0 auto;
  min-width: 2.6rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.footer-contact__value { color: var(--paper); }

.copy-btn {
  justify-self: start;
  margin: 0.35rem 0 0.5rem;
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--line);
  background: var(--panel);
  color: var(--neon);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.copy-btn:hover {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

.copy-btn[data-copied] {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}

.footer-note {
  color: var(--mist);
  font-size: 0.8rem;
  line-height: 1.75;
  max-width: 40ch;
  padding-top: 0.5rem;
  border-top: 1px dashed var(--line);
}

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

.footer-base__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  max-width: var(--shell);
  margin-inline: auto;
  padding: 1rem var(--gutter) 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.footer-base__copy,
.footer-base__meta { max-width: none; }

.footer-base__meta { color: var(--line); filter: brightness(2); }

.to-top {
  margin-inline-start: auto;
  padding: 0.4rem 0.75rem;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.to-top:hover {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

/* ---------- 7. 跳过链接 ---------- */
.skip-link {
  position: fixed;
  top: 0.5rem;
  left: 0.5rem;
  z-index: 200;
  padding: 0.6rem 1rem;
  background: var(--neon);
  color: var(--ink);
  border: 2px solid var(--ink);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transform: translateY(-180%);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 8. 章节与色带 ---------- */
.band {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0;
}

.band--ink { background: var(--ink); }
.band--carbon { background: var(--carbon); }
.band--panel { background: linear-gradient(180deg, rgba(27, 36, 32, 0.92), rgba(16, 20, 23, 0.92)); }

.band--edge {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.band--stripe::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--neon) 0 12px, transparent 12px 24px);
  opacity: 0.55;
}

.section-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.section-head__idx {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  color: var(--lime);
}

.section-head__title { color: var(--paper); }

.section-head__desc {
  color: var(--mist);
  font-size: 0.98rem;
  max-width: 62ch;
}

.divider {
  height: 1px;
  border: 0;
  background: var(--line);
  margin: clamp(1.5rem, 4vw, 2.5rem) 0;
}

.meta-line {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  color: var(--mist);
  max-width: none;
}

/* ---------- 9. 通用组件 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.7rem 1.15rem;
  border: 2px solid var(--neon);
  background: transparent;
  color: var(--neon);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1.2;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), transform 0.2s var(--ease);
}

.btn:hover {
  background: var(--neon);
  color: var(--ink);
  box-shadow: 4px 4px 0 0 rgba(43, 245, 196, 0.28);
  transform: translate(-1px, -1px);
}

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

.btn--solid:hover {
  background: var(--paper);
  border-color: var(--paper);
  box-shadow: 4px 4px 0 0 rgba(244, 247, 242, 0.22);
}

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

.btn--amber:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  box-shadow: 4px 4px 0 0 rgba(255, 138, 61, 0.28);
}

.btn--ghost {
  border-color: var(--line);
  color: var(--paper);
}

.btn--ghost:hover {
  background: transparent;
  border-color: var(--neon);
  color: var(--neon);
  box-shadow: none;
  transform: none;
}

.btn--sm {
  padding: 0.45rem 0.8rem;
  font-size: 0.78rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  border: 1px solid var(--line);
  background: rgba(27, 36, 32, 0.72);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.5;
}

.tag--neon { border-color: rgba(43, 245, 196, 0.5); color: var(--neon); }
.tag--amber { border-color: rgba(255, 138, 61, 0.5); color: var(--amber); }
.tag--lime { border-color: rgba(198, 255, 74, 0.45); color: var(--lime); }

.panel {
  border: 2px solid var(--line);
  background: var(--panel);
  padding: clamp(1rem, 2.5vw, 1.6rem);
  box-shadow: var(--shadow-soft);
}

.panel--flat { background: transparent; box-shadow: none; }
.panel--neon { border-color: rgba(43, 245, 196, 0.42); }

.score-figure {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.score-figure__sep { color: var(--amber); }
.score-figure--amber { color: var(--amber); }

/* 面包屑 */
.breadcrumbs {
  margin-bottom: 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs__item {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs__link {
  color: var(--mist);
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.breadcrumbs__link:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.breadcrumbs__sep { color: var(--line); filter: brightness(2); }
.breadcrumbs__current { color: var(--paper); max-width: none; }

/* ---------- 10. 栅格 ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2.5vw, 1.75rem);
}

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

.grid--rail {
  grid-template-columns: minmax(190px, 230px) minmax(0, 1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: start;
}

.sticky-rail {
  position: sticky;
  top: calc(var(--header-offset) + 1rem);
}

/* ---------- 11. 图片容器基础规则 ---------- */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  border: 3px solid var(--line);
  background: var(--carbon);
  box-shadow: var(--shadow-hard);
  aspect-ratio: 4 / 3;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.media-frame:hover { border-color: rgba(43, 245, 196, 0.55); }

.media-frame > img,
.media-frame__media {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.06) brightness(0.93);
}

.media-frame--wide { aspect-ratio: 16 / 9; }
.media-frame--tall { aspect-ratio: 3 / 4; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--auto { aspect-ratio: auto; }

.media-frame__cap {
  position: absolute;
  inset: auto 0 0 0;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1rem 0.75rem;
  background: linear-gradient(180deg, rgba(10, 31, 26, 0), rgba(10, 31, 26, 0.9));
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.media-frame__cap p { max-width: none; }

.media-frame__ph {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-content: center;
  gap: 0.4rem;
  text-align: center;
  padding: 1rem;
  background-color: var(--ink);
  background-image:
    linear-gradient(rgba(43, 245, 196, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43, 245, 196, 0.1) 1px, transparent 1px),
    linear-gradient(140deg, rgba(27, 36, 32, 0.9), rgba(10, 31, 26, 0.95));
  background-size: 28px 28px, 28px 28px, 100% 100%;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
}

/* ---------- 12. 筛选 / 进度 / 动画 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.filter-btn {
  padding: 0.4rem 0.85rem;
  border: 2px solid var(--line);
  background: transparent;
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.filter-btn:hover {
  border-color: var(--neon);
  color: var(--paper);
}

.filter-btn[aria-pressed="true"] {
  background: var(--neon);
  border-color: var(--neon);
  color: var(--ink);
}

.filter-empty {
  padding: 1.25rem;
  border: 2px dashed var(--line);
  color: var(--mist);
  font-size: 0.9rem;
  text-align: center;
  max-width: none;
}

.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 95;
  height: 3px;
  background: rgba(46, 58, 53, 0.6);
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--neon), var(--amber));
  transition: width 0.1s linear;
}

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

html.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  will-change: opacity, transform;
}

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

@keyframes ayx-pulse {
  0% {
    background-color: rgba(255, 61, 127, 0.42);
    box-shadow: 0 0 0 0 rgba(255, 61, 127, 0.5);
  }
  100% {
    background-color: transparent;
    box-shadow: 0 0 0 16px rgba(255, 61, 127, 0);
  }
}

.pulse-once { animation: ayx-pulse 1.1s var(--ease) 1; }

/* ---------- 13. 响应式 ---------- */
@media (max-width: 1120px) {
  .brand__sub { display: none; }
  .site-nav__link { padding: 0.55rem 0.45rem; font-size: 0.8rem; }
}

@media (max-width: 1080px) {
  .footer-inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-contact { grid-column: 1 / -1; }
}

@media (max-width: 980px) {
  :root {
    --header-strip: 0px;
    --header-bar: 58px;
  }

  .header-strip { display: none; }

  .nav-toggle { display: inline-flex; }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    margin: 0;
    padding: 0.4rem var(--gutter) 1rem;
    background: var(--carbon);
    border-top: 1px solid var(--line);
    border-bottom: 3px solid var(--neon);
    max-height: calc(100vh - var(--header-bar));
    overflow-y: auto;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s linear;
  }

  .site-header[data-open] .site-nav {
    visibility: visible;
    opacity: 1;
    transform: none;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__item {
    width: 100%;
    border-bottom: 1px solid var(--line);
  }

  .site-nav__item:last-child { border-bottom: 0; }

  .site-nav__link {
    display: flex;
    width: 100%;
    padding: 0.9rem 0.35rem;
    font-size: 0.98rem;
  }

  .site-nav__link::after { display: none; }

  .site-nav__link[aria-current="page"] {
    background: linear-gradient(90deg, rgba(255, 138, 61, 0.16), transparent 72%);
  }

  .site-nav__link[aria-current="page"] .site-nav__idx {
    color: var(--amber);
    opacity: 1;
  }

  body[data-nav-open] { overflow: hidden; }

  .site-header[data-open] .nav-toggle {
    border-color: var(--neon);
    color: var(--neon);
  }

  .site-header[data-open] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .site-header[data-open] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
  .site-header[data-open] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

  .grid--rail { grid-template-columns: minmax(0, 1fr); }
  .sticky-rail { position: static; }
}

@media (max-width: 860px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .grid--2, .grid--3 { grid-template-columns: minmax(0, 1fr); }

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

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

  .to-top { margin-inline-start: 0; }
}

@media (max-width: 520px) {
  .brand__name { font-size: 0.95rem; }
  .score-figure { font-size: clamp(2.2rem, 14vw, 3.4rem); }
  .panel { padding: 0.9rem; }
}

/* ---------- 14. 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  html:focus-within { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  html.has-js [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }

  .scroll-progress__bar { transition: none; }
}

@media print {
  .site-header, .scroll-progress, .to-top { display: none !important; }
  .site-main { padding-top: 0; }
  body { background: #fff; color: #111; }
}