/* ==========================================================================
   亚星赛场 · 共享站点样式 /assets/site.css
   夜场指挥中心：深空蓝底、霓虹青数据线、赛场橙红高亮、奶油纸索引
   ========================================================================== */

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

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

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

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

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

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

a { color: var(--yx-cyan); text-decoration: none; }

table { border-collapse: collapse; width: 100%; }

::selection { background: rgba(34, 230, 230, 0.28); color: var(--yx-white); }

/* ---------- 2. 变量 ---------- */
:root {
  --yx-deep: #06121F;
  --yx-mid: #0B1F33;
  --yx-panel: #12304D;
  --yx-cyan: #22E6E6;
  --yx-teal: #0FA3B1;
  --yx-orange: #FF5A36;
  --yx-amber: #FFB347;
  --yx-paper: #F1E7D8;
  --yx-fog: #AFC3D6;
  --yx-white: #F2FBFF;
  --yx-ink: #241A12;

  --yx-line: rgba(34, 230, 230, 0.22);
  --yx-line-soft: rgba(175, 195, 214, 0.18);
  --yx-shadow: 0 26px 60px -40px rgba(0, 0, 0, 0.95);

  --yx-radius-sm: 10px;
  --yx-radius: 14px;
  --yx-radius-lg: 22px;

  --yx-shell: 1200px;
  --yx-gutter: clamp(1.1rem, 4vw, 2.5rem);
  --yx-header-h: 76px;

  --yx-font-head: "Barlow Condensed", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --yx-font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --yx-font-mono: "JetBrains Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --yx-ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

/* ---------- 3. 基础排版 ---------- */
body {
  min-height: 100vh;
  font-family: var(--yx-font-body);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.75;
  color: var(--yx-white);
  background-color: var(--yx-deep);
  background-image:
    radial-gradient(1100px 600px at 82% -10%, rgba(15, 163, 177, 0.22), transparent 62%),
    radial-gradient(880px 520px at 4% 2%, rgba(255, 90, 54, 0.13), transparent 60%),
    radial-gradient(700px 700px at 50% 120%, rgba(34, 230, 230, 0.08), transparent 65%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5,
.yx-h {
  font-family: var(--yx-font-head);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--yx-white);
  text-wrap: balance;
}

h1 { font-size: clamp(2.2rem, 5.4vw, 3.9rem); }
h2 { font-size: clamp(1.65rem, 3.3vw, 2.5rem); }
h3 { font-size: clamp(1.15rem, 1.9vw, 1.45rem); line-height: 1.25; }
h4 { font-size: 1.05rem; line-height: 1.3; }

p { text-wrap: pretty; }

main { padding-top: var(--yx-header-h); }

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

/* ---------- 4. 可访问性 ---------- */
:focus-visible {
  outline: 2px solid var(--yx-cyan);
  outline-offset: 3px;
  border-radius: 4px;
}

.yx-skip {
  position: fixed;
  top: 0.6rem;
  left: 0.6rem;
  z-index: 200;
  padding: 0.7rem 1.1rem;
  border-radius: var(--yx-radius-sm);
  background: var(--yx-cyan);
  color: #06121f;
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  transform: translateY(-200%);
  transition: transform 0.2s var(--yx-ease);
}

.yx-skip:focus,
.yx-skip:focus-visible {
  transform: translateY(0);
  outline: 2px solid var(--yx-white);
  outline-offset: 3px;
}

.yx-nav-lock { overflow: hidden; }

/* ---------- 5. 布局工具 ---------- */
.yx-shell {
  width: 100%;
  max-width: var(--yx-shell);
  margin-inline: auto;
  padding-inline: var(--yx-gutter);
}

.yx-section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.yx-section--tight { padding-block: clamp(2rem, 4vw, 3rem); }

.yx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--yx-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--yx-cyan);
}

.yx-eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--yx-orange);
}

.yx-section__title {
  margin-block: 0.6rem 0;
  max-width: 34ch;
}

.yx-lead {
  max-width: 62ch;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  line-height: 1.85;
  color: var(--yx-fog);
}

.yx-muted { color: var(--yx-fog); }

.yx-num {
  font-family: var(--yx-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--yx-cyan);
}

.yx-rule {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, var(--yx-cyan), rgba(34, 230, 230, 0));
  opacity: 0.5;
}

.yx-grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.yx-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.yx-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.yx-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

/* ---------- 6. 按钮 ---------- */
.yx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.72rem 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--yx-font-body);
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s var(--yx-ease), background-color 0.18s var(--yx-ease),
    border-color 0.18s var(--yx-ease), color 0.18s var(--yx-ease), box-shadow 0.18s var(--yx-ease);
}

.yx-btn:hover { transform: translateY(-1px); }
.yx-btn:active { transform: translateY(0); }

.yx-btn--primary {
  background: var(--yx-orange);
  color: #08111c;
  box-shadow: 0 14px 30px -18px rgba(255, 90, 54, 0.95);
}

.yx-btn--primary:hover { background: #ff704f; }

.yx-btn--ghost {
  background: rgba(34, 230, 230, 0.07);
  border-color: var(--yx-line);
  color: var(--yx-white);
}

.yx-btn--ghost:hover {
  background: rgba(34, 230, 230, 0.15);
  border-color: var(--yx-cyan);
}

.yx-btn--quiet {
  padding-inline: 0.3rem;
  background: transparent;
  border-color: transparent;
  color: var(--yx-cyan);
}

.yx-btn--quiet:hover { color: var(--yx-white); }

/* ---------- 7. 标签 ---------- */
.yx-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--yx-line);
  border-radius: 6px;
  background: rgba(34, 230, 230, 0.08);
  color: var(--yx-cyan);
  font-family: var(--yx-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.yx-tag--amber {
  color: var(--yx-amber);
  border-color: rgba(255, 179, 71, 0.42);
  background: rgba(255, 179, 71, 0.12);
}

.yx-tag--paper {
  color: var(--yx-ink);
  background: var(--yx-paper);
  border-color: var(--yx-paper);
}

.yx-tag--ghost {
  color: var(--yx-fog);
  border-color: var(--yx-line-soft);
  background: transparent;
}

/* ---------- 8. 卡片 ---------- */
.yx-card {
  position: relative;
  padding: clamp(1.2rem, 2.6vw, 1.9rem);
  border: 1px solid var(--yx-line-soft);
  border-radius: var(--yx-radius-lg);
  background: linear-gradient(158deg, rgba(18, 48, 77, 0.92), rgba(11, 31, 51, 0.88));
  box-shadow: var(--yx-shadow);
}

.yx-card--panel {
  border-color: var(--yx-line);
  background: linear-gradient(160deg, rgba(18, 48, 77, 0.96), rgba(6, 18, 31, 0.94));
}

.yx-card__title {
  margin-bottom: 0.4rem;
  font-size: 1.15rem;
}

.yx-card__meta {
  font-family: var(--yx-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--yx-teal);
}

/* ---------- 9. 图片容器基础（页面阶段放占位图） ---------- */
.yx-media {
  position: relative;
  display: block;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid var(--yx-line-soft);
  border-radius: var(--yx-radius);
  background:
    linear-gradient(150deg, #0d2439 0%, #0a1b2c 55%, #12304d 100%);
}

.yx-media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(6, 18, 31, 0) 52%, rgba(6, 18, 31, 0.76));
}

.yx-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yx-media--16x9 { aspect-ratio: 16 / 9; }
.yx-media--4x3 { aspect-ratio: 4 / 3; }
.yx-media--1x1 { aspect-ratio: 1 / 1; }

.yx-media--phone {
  aspect-ratio: 9 / 19;
  max-width: 300px;
  border-radius: 26px;
  border-color: var(--yx-line);
}

.yx-media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  padding: 0.9rem 1.1rem;
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--yx-fog);
}

.yx-media__tag {
  position: absolute;
  top: 0.9rem;
  left: 0.9rem;
  z-index: 2;
}

/* ---------- 10. 面包屑 ---------- */
.yx-crumbs { margin-block: 0 1.4rem; }

.yx-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--yx-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--yx-fog);
}

.yx-crumbs__link { color: var(--yx-fog); }
.yx-crumbs__link:hover { color: var(--yx-cyan); }
.yx-crumbs__sep { color: rgba(175, 195, 214, 0.45); }
.yx-crumbs__current { color: var(--yx-white); }

/* ---------- 11. 正文区 ---------- */
.yx-prose {
  max-width: 70ch;
  line-height: 1.85;
  color: var(--yx-fog);
}

.yx-prose h2,
.yx-prose h3 {
  margin-block: 1.8em 0.6em;
  color: var(--yx-white);
}

.yx-prose p { margin-block: 0 1.1em; }
.yx-prose strong { color: var(--yx-white); }

.yx-prose ul { margin-block: 0 1.1em; }

.yx-prose li {
  position: relative;
  margin-block: 0.4em;
  padding-left: 1.1rem;
}

.yx-prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--yx-cyan);
  transform: rotate(45deg);
}

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

/* ---------- 12. 标签页与分段切换 ---------- */
.yx-tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--yx-line-soft);
}

.yx-tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.95rem;
  border: 1px solid var(--yx-line-soft);
  border-radius: 999px;
  background: rgba(11, 31, 51, 0.7);
  color: var(--yx-fog);
  font-family: var(--yx-font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  transition: color 0.22s var(--yx-ease), background-color 0.22s var(--yx-ease), border-color 0.22s var(--yx-ease);
}

.yx-tab:hover { color: var(--yx-white); border-color: var(--yx-line); }

.yx-tab.is-active,
.yx-tab[aria-selected="true"] {
  color: var(--yx-cyan);
  border-color: var(--yx-cyan);
  background: rgba(34, 230, 230, 0.14);
}

.yx-tabpanel { padding-top: 1.4rem; }
.yx-tabpanel[hidden] { display: none; }

/* ---------- 13. 页头 ---------- */
.yx-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  color: var(--yx-white);
  background: linear-gradient(180deg, rgba(6, 18, 31, 0.74), rgba(6, 18, 31, 0));
  transition: background-color 0.3s var(--yx-ease), box-shadow 0.3s var(--yx-ease), backdrop-filter 0.3s var(--yx-ease);
}

.yx-header[data-scrolled] {
  background-color: rgba(6, 18, 31, 0.96);
  box-shadow: 0 22px 48px -42px #000;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

.yx-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  opacity: 0;
  background: linear-gradient(90deg, rgba(34, 230, 230, 0), var(--yx-cyan) 24%, rgba(255, 90, 54, 0.9) 76%, rgba(255, 90, 54, 0));
  transition: opacity 0.3s var(--yx-ease);
}

.yx-header[data-scrolled]::after { opacity: 0.85; }

.yx-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
  min-height: var(--yx-header-h);
}

.yx-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex: 0 0 auto;
  color: var(--yx-white);
  text-decoration: none;
}

.yx-brand__mark {
  display: inline-flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
}

.yx-brand__mark i {
  display: block;
  width: 5px;
  border-radius: 2px;
  background: var(--yx-teal);
}

.yx-brand__mark i:nth-child(1) { height: 13px; }

.yx-brand__mark i:nth-child(2) {
  height: 21px;
  background: var(--yx-cyan);
  box-shadow: 0 0 12px rgba(34, 230, 230, 0.55);
}

.yx-brand__mark i:nth-child(3) {
  height: 28px;
  background: var(--yx-orange);
  box-shadow: 0 0 12px rgba(255, 90, 54, 0.5);
}

.yx-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.16;
}

.yx-brand__name {
  font-family: var(--yx-font-head);
  font-size: 1.18rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  color: var(--yx-white);
}

.yx-brand__tagline {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  color: var(--yx-fog);
}

.yx-nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  margin-left: auto;
}

.yx-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 1.8vw, 1.7rem);
}

.yx-nav__item { display: block; }

.yx-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.1rem;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--yx-fog);
  text-decoration: none;
  transition: color 0.18s var(--yx-ease);
}

.yx-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: linear-gradient(90deg, var(--yx-cyan), var(--yx-orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.22s var(--yx-ease);
}

.yx-nav__link:hover,
.yx-nav__link:focus-visible { color: var(--yx-white); }

.yx-nav__link:hover::after,
.yx-nav__link:focus-visible::after { transform: scaleX(1); }

.yx-nav__link[aria-current="page"] { color: var(--yx-white); }
.yx-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.yx-nav__cta { flex: 0 0 auto; }

.yx-nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--yx-line);
  border-radius: 999px;
  background: rgba(34, 230, 230, 0.08);
  color: var(--yx-white);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: background-color 0.18s var(--yx-ease), border-color 0.18s var(--yx-ease);
}

.yx-nav-toggle:hover {
  background: rgba(34, 230, 230, 0.16);
  border-color: var(--yx-cyan);
}

.yx-nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 18px;
  height: 14px;
}

.yx-nav-toggle__bars > span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--yx-cyan);
  transition: transform 0.22s var(--yx-ease), opacity 0.22s var(--yx-ease), width 0.22s var(--yx-ease);
}

.yx-nav-toggle__bars > span:nth-child(3) {
  width: 70%;
  background: var(--yx-orange);
}

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

.yx-nav-toggle[aria-expanded="true"] .yx-nav-toggle__bars > span:nth-child(2) {
  opacity: 0;
}

.yx-nav-toggle[aria-expanded="true"] .yx-nav-toggle__bars > span:nth-child(3) {
  width: 100%;
  background: var(--yx-cyan);
  transform: translateY(-6px) rotate(-45deg);
}

.yx-nav-toggle__label {
  font-family: var(--yx-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.yx-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
  background: rgba(34, 230, 230, 0.08);
}

.yx-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--yx-teal), var(--yx-cyan) 62%, var(--yx-orange));
  transition: width 0.15s linear;
}

/* ---------- 14. 页脚 ---------- */
.yx-footer {
  position: relative;
  margin-top: clamp(3rem, 7vw, 6rem);
  border-top: 1px solid var(--yx-line);
  background: #050F1A;
  color: var(--yx-fog);
}

.yx-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, rgba(34, 230, 230, 0), var(--yx-cyan) 34%, rgba(255, 90, 54, 0.75) 72%, rgba(255, 179, 71, 0));
}

.yx-footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.7fr) minmax(0, 1fr);
  gap: clamp(1.6rem, 3.5vw, 3rem);
  padding-block: clamp(2.6rem, 5vw, 4rem) clamp(1.8rem, 3vw, 2.6rem);
}

.yx-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
}

.yx-brand--footer { gap: 0.6rem; }

.yx-footer__summary {
  max-width: 34ch;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--yx-fog);
}

.yx-footer__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.yx-footer__cta { margin-top: 0.2rem; }

.yx-footer__nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.4rem;
}

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

.yx-footer__title {
  margin-bottom: 0.9rem;
  font-family: var(--yx-font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--yx-cyan);
}

.yx-footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.yx-footer__link {
  font-size: 0.92rem;
  color: var(--yx-fog);
  text-decoration: none;
  transition: color 0.18s var(--yx-ease), padding-left 0.18s var(--yx-ease);
}

.yx-footer__link:hover,
.yx-footer__link:focus-visible {
  color: var(--yx-cyan);
  padding-left: 0.2rem;
}

.yx-footer__meta { min-width: 0; }

.yx-contact {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.yx-contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.yx-contact__label {
  font-family: var(--yx-font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--yx-teal);
}

.yx-contact__value {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--yx-white);
  overflow-wrap: anywhere;
}

.yx-contact__note {
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--yx-fog);
}

.yx-copy {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0;
  text-align: left;
  cursor: pointer;
  color: var(--yx-white);
}

.yx-copy__text {
  font-size: 0.9rem;
  overflow-wrap: anywhere;
  border-bottom: 1px dashed rgba(34, 230, 230, 0.5);
  transition: color 0.18s var(--yx-ease), border-color 0.18s var(--yx-ease);
}

.yx-copy__hint {
  font-family: var(--yx-font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--yx-fog);
  transition: color 0.18s var(--yx-ease);
}

.yx-copy:hover .yx-copy__text { color: var(--yx-cyan); border-color: var(--yx-cyan); }
.yx-copy[data-copied="true"] .yx-copy__hint { color: var(--yx-amber); }
.yx-copy[data-copied="true"] .yx-copy__text { color: var(--yx-amber); border-color: var(--yx-amber); }

.yx-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.7rem;
  padding-block: 1.1rem;
  border-top: 1px solid rgba(175, 195, 214, 0.14);
  font-size: 0.78rem;
  color: rgba(175, 195, 214, 0.8);
}

.yx-footer__legal,
.yx-footer__copy {
  margin: 0;
  font-family: var(--yx-font-mono);
  letter-spacing: 0.04em;
}

.yx-footer__copy { font-family: var(--yx-font-body); }

/* ---------- 15. 滚动显现 ---------- */
.yx-js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.34s var(--yx-ease), transform 0.34s var(--yx-ease);
}

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

/* ---------- 16. 响应式：平板 ---------- */
@media (max-width: 1040px) {
  .yx-footer__top { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .yx-footer__meta { grid-column: 1 / -1; }
  .yx-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .yx-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

/* ---------- 17. 响应式：移动导航 ---------- */
@media (max-width: 960px) {
  :root { --yx-header-h: 66px; }

  .yx-header { background-color: rgba(6, 18, 31, 0.92); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
  .yx-header::after { opacity: 0.5; }

  .yx-nav {
    position: fixed;
    top: var(--yx-header-h);
    left: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    max-height: calc(100vh - var(--yx-header-h));
    margin-left: 0;
    padding: 1rem var(--yx-gutter) 1.8rem;
    overflow-y: auto;
    background: #08172A;
    border-bottom: 1px solid var(--yx-line);
    box-shadow: 0 34px 60px -34px #000;
    visibility: hidden;
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.22s var(--yx-ease), transform 0.22s var(--yx-ease), visibility 0.22s var(--yx-ease);
  }

  .yx-nav[data-open] {
    visibility: visible;
    opacity: 1;
    transform: none;
    pointer-events: auto;
  }

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

  .yx-nav__item { width: 100%; }

  .yx-nav__link {
    width: 100%;
    padding: 0.9rem 0.2rem;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--yx-line-soft);
  }

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

  .yx-nav__link[aria-current="page"] {
    color: var(--yx-cyan);
    border-bottom-color: rgba(34, 230, 230, 0.5);
  }

  .yx-nav__cta {
    width: 100%;
    margin-top: 1.2rem;
  }

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

/* ---------- 18. 响应式：手机 ---------- */
@media (max-width: 720px) {
  .yx-footer__top { grid-template-columns: minmax(0, 1fr); }
  .yx-footer__nav { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.6rem 1rem; }
  .yx-footer__base { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
}

@media (max-width: 600px) {
  .yx-grid--2,
  .yx-grid--3,
  .yx-grid--4 { grid-template-columns: minmax(0, 1fr); }

  .yx-media--phone { max-width: 100%; }
}

@media (max-width: 520px) {
  .yx-brand__tagline { display: none; }
  .yx-brand__name { font-size: 1.06rem; }
  .yx-nav-toggle__label { display: none; }
  .yx-footer__nav { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 19. 降低动效 ---------- */
@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;
  }

  .yx-btn:hover { transform: none; }

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

  .yx-progress__bar { transition: none; }

  .yx-nav { transition: none; }
}