/* ==========================================================================
   星空体育主站 · 共享样式 /assets/site.css
   深空墨蓝 + 星云紫 + 极光青 + 暖橙；切角面板、星轨弧线、画册式排版
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 22px);
}

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

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

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

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

a { color: inherit; }

/* ------------------------------------------------------------------ 2. 变量 */
:root {
  --ink:      #0B1026;
  --ink-2:    #131B3A;
  --nebula:   #4B2E83;
  --aurora:   #35E0C8;
  --ember:    #FF8A3D;
  --paper:    #F3EDE2;
  --mist:     #EEF2FA;
  --silver:   #C9D3E6;
  --text:     #1A1F33;
  --muted:    #6B7590;

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

  --rail: clamp(20px, 4vw, 64px);
  --wrap: 1440px;
  --header-h: 76px;
  --cut: 18px;

  --ease: cubic-bezier(.22, .72, .28, 1);
}

/* ------------------------------------------------------------------ 3. 基础排版 */
body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  color: var(--paper);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 300;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

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

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

/* ------------------------------------------------------------------ 4. 跳转链接 */
.skip-link {
  position: fixed;
  top: -140px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 300;
  padding: 12px 22px;
  background: var(--aurora);
  color: var(--ink);
  font-size: 14px;
  letter-spacing: .08em;
  font-weight: 600;
  text-decoration: none;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: top .22s var(--ease);
}

.skip-link:focus { top: 12px; }

/* ------------------------------------------------------------------ 5. 头部 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 16, 38, 0.97);
  color: var(--paper);
  border-bottom: 1px solid rgba(201, 211, 230, .16);
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 1px;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(75, 46, 131, .9), rgba(53, 224, 200, .45), transparent);
  opacity: .7;
}

.header-rail {
  width: min(var(--wrap), 100%);
  margin-inline: auto;
  padding-inline: var(--rail);
  min-height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  position: relative;
}

.header-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  z-index: 3;
  pointer-events: none;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--nebula), var(--aurora));
  transition: transform .12s linear;
}

/* 品牌锁定区 */
.brand-lockup {
  display: flex;
  align-items: center;
  gap: clamp(0px, 1.4vw, 20px);
  min-width: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-block: 12px;
  text-decoration: none;
  color: inherit;
}

.brand__mark {
  position: relative;
  flex: none;
  width: 34px;
  height: 34px;
  background: radial-gradient(circle at 70% 24%, rgba(255, 138, 61, .95) 0 2px, transparent 3px);
  transition: width .3s var(--ease), height .3s var(--ease);
}

.brand__mark::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 30px;
  height: 14px;
  margin: -7px 0 0 -15px;
  border: 1px solid rgba(201, 211, 230, .6);
  border-radius: 50%;
  transform: rotate(-24deg);
}

.brand__mark::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 9px;
  height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--aurora);
  box-shadow: 0 0 14px rgba(53, 224, 200, .85);
}

.brand__text { display: block; min-width: 0; }

.brand__name {
  display: block;
  font-size: 17px;
  font-weight: 500;
  letter-spacing: .06em;
  line-height: 1.2;
  white-space: nowrap;
}

.brand__sub {
  display: block;
  margin-top: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--silver);
  opacity: .68;
  transition: opacity .3s var(--ease), transform .3s var(--ease);
}

.brand__status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding-left: 18px;
  border-left: 1px solid rgba(201, 211, 230, .2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--silver);
  opacity: .8;
  white-space: nowrap;
}

.status-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--aurora);
  animation: breathe 2.4s ease-in-out infinite;
}

@keyframes breathe {
  0%, 100% { opacity: 1;   box-shadow: 0 0 10px rgba(53, 224, 200, .9); }
  50%      { opacity: .32; box-shadow: 0 0 2px rgba(53, 224, 200, .3); }
}

/* 导航 */
.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2vw, 32px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 24px);
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 10px 2px;
  font-size: 14.5px;
  letter-spacing: .05em;
  color: var(--silver);
  text-decoration: none;
  transition: color .25s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 2px;
  height: 2px;
  background: var(--aurora);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .3s var(--ease);
}

.nav-list a:hover { color: var(--paper); }
.nav-list a:hover::after { transform: scaleX(1); }

.nav-list a[aria-current="page"] { color: var(--paper); }

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  box-shadow: 0 0 10px rgba(53, 224, 200, .85);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .1em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ink);
  background: var(--aurora);
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 11px 100%, 0 calc(100% - 11px));
  transition: background .25s var(--ease), transform .25s var(--ease);
}

.nav-cta:hover {
  background: var(--ember);
  transform: translateY(-2px);
}

/* 移动按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  font-size: 12.5px;
  letter-spacing: .18em;
  color: var(--paper);
  box-shadow: inset 0 0 0 1px rgba(201, 211, 230, .32);
  clip-path: polygon(0 0, calc(100% - 9px) 0, 100% 9px, 100% 100%, 9px 100%, 0 calc(100% - 9px));
  transition: box-shadow .25s var(--ease), color .25s var(--ease);
}

.nav-toggle:hover { box-shadow: inset 0 0 0 1px var(--aurora); color: var(--aurora); }

.nav-toggle__icon {
  position: relative;
  flex: none;
  width: 18px;
  height: 12px;
}

.nav-toggle__icon::before,
.nav-toggle__icon::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 1.5px;
  background: currentColor;
  transition: transform .3s var(--ease), top .3s var(--ease);
}

.nav-toggle__icon::before { top: 2px; }
.nav-toggle__icon::after  { top: 9px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__icon::before { top: 6px; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__icon::after  { top: 6px; transform: rotate(-45deg); }

/* 遮罩 */
.nav-scrim {
  position: fixed;
  inset: 0;
  z-index: 85;
  background: rgba(11, 16, 38, .74);
  opacity: 0;
  visibility: hidden;
  transition: opacity .35s ease, visibility .35s ease;
}

.nav-scrim[data-open] { opacity: 1; visibility: visible; }

/* 吸顶收缩态 */
.site-header.is-compact .brand__sub { opacity: 0; transform: translateY(-5px); }
.site-header.is-compact .brand__mark { width: 26px; height: 26px; }
.site-header.is-compact .brand__mark::before { width: 24px; height: 11px; margin: -5.5px 0 0 -12px; }
.site-header.is-compact .brand__mark::after { width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; }

/* ------------------------------------------------------------------ 6. 页脚 */
.site-footer {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 88px) 0 30px;
  background: var(--ink);
  color: var(--silver);
  border-top: 1px solid rgba(201, 211, 230, .16);
}

.site-footer::before {
  content: "";
  position: absolute;
  left: -18vw;
  top: -34vw;
  width: 72vw;
  height: 72vw;
  border-radius: 50%;
  border: 1px solid rgba(75, 46, 131, .5);
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  right: -16vw;
  bottom: -32vw;
  width: 56vw;
  height: 56vw;
  border-radius: 50%;
  border: 1px dashed rgba(53, 224, 200, .22);
  pointer-events: none;
  animation: orbit 24s linear infinite;
}

@keyframes orbit { to { transform: rotate(360deg); } }

.footer-inner {
  position: relative;
  z-index: 1;
  width: min(var(--wrap), 100%);
  margin-inline: auto;
  padding-inline: var(--rail);
  display: grid;
  grid-template-columns: minmax(220px, 1fr) minmax(0, 2.1fr);
  gap: clamp(28px, 4vw, 72px);
}

.footer-brand__name {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  letter-spacing: .04em;
  color: var(--paper);
}

.footer-brand__sub {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .26em;
  color: var(--silver);
  opacity: .6;
}

.footer-brand__note {
  margin-top: 18px;
  max-width: 26em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
  opacity: .78;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 3vw, 40px);
}

.footer-col__title {
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: .62;
}

.footer-col ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.footer-col a {
  display: inline-block;
  font-size: 14.5px;
  color: var(--silver);
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .25s var(--ease);
}

.footer-col a:hover {
  color: var(--aurora);
  padding-left: 6px;
}

.footer-contact {
  position: relative;
  z-index: 1;
  width: min(var(--wrap), 100%);
  margin: clamp(34px, 5vw, 58px) auto 0;
  padding: 22px var(--rail) 0;
  border-top: 1px solid rgba(201, 211, 230, .14);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 34px;
  font-size: 13.5px;
}

.footer-contact__item {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.footer-contact__key {
  flex: none;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--silver);
  opacity: .6;
}

.footer-contact__val {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--paper);
}

.footer-contact__item--wide .footer-contact__val {
  font-family: var(--font-body);
  font-size: 13.5px;
  letter-spacing: 0;
}

.footer-legal {
  position: relative;
  z-index: 1;
  width: min(var(--wrap), 100%);
  margin: 26px auto 0;
  padding: 18px var(--rail) 0;
  border-top: 1px solid rgba(201, 211, 230, .1);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 26px;
  font-size: 12.5px;
  color: var(--muted);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0 0 0 auto;
  padding: 0;
  list-style: none;
}

.footer-legal__links a {
  color: var(--silver);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.footer-legal__links a:hover { color: var(--aurora); }

/* ------------------------------------------------------------------ 7. 通用布局 */
.container {
  width: min(var(--wrap), 100%);
  margin-inline: auto;
  padding-inline: var(--rail);
}

.section { padding-block: clamp(56px, 8vw, 120px); }

.surface-ink   { background: var(--ink);     color: var(--paper); }
.surface-paper { background: var(--paper);   color: var(--text); }
.surface-mist  { background: var(--mist);    color: var(--text); }

.on-dark .prose  { color: var(--mist); }
.on-light .prose { color: var(--text); }

.cut {
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut, 18px)) 0,
    100% var(--cut, 18px),
    100% 100%,
    var(--cut, 18px) 100%,
    0 calc(100% - var(--cut, 18px))
  );
}

/* 12 列栅格 */
.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(14px, 1.6vw, 24px);
}

.grid-12 > * { min-width: 0; }

.col-3  { grid-column: span 3; }
.col-4  { grid-column: span 4; }
.col-5  { grid-column: span 5; }
.col-6  { grid-column: span 6; }
.col-7  { grid-column: span 7; }
.col-8  { grid-column: span 8; }
.col-12 { grid-column: span 12; }

/* ------------------------------------------------------------------ 8. 排版组件 */
.display {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(40px, 7vw, 104px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
}

.display--sm {
  font-size: clamp(30px, 4.6vw, 60px);
  line-height: 1.08;
  letter-spacing: -0.015em;
}

.display--xs {
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  font-weight: 400;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--silver);
  opacity: .78;
}

.eyebrow::before {
  content: "";
  flex: none;
  width: 26px;
  height: 1px;
  background: var(--nebula);
}

.surface-paper .eyebrow,
.surface-mist .eyebrow,
.on-light .eyebrow {
  color: var(--muted);
  opacity: 1;
}

.prose {
  max-width: 34em;
  font-size: 17px;
  line-height: 1.8;
}

.prose > * + * { margin-top: 1.1em; }

.prose h2 {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 300;
  letter-spacing: -0.01em;
  margin-top: 1.9em;
}

.prose h3 {
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 500;
  margin-top: 1.6em;
}

.prose ul,
.prose ol { padding-left: 1.25em; }

.prose li + li { margin-top: .5em; }

.prose a {
  color: var(--aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 200, .42);
  transition: border-color .2s var(--ease);
}

.prose a:hover { border-bottom-color: var(--aurora); }

.surface-paper .prose a,
.surface-mist .prose a,
.on-light .prose a {
  color: var(--nebula);
  border-bottom-color: rgba(75, 46, 131, .4);
}

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

/* ------------------------------------------------------------------ 9. 媒体容器 */
.media-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: linear-gradient(140deg, var(--ink-2), var(--ink));
  border: 1px solid rgba(201, 211, 230, .16);
}

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 90% at 78% 12%, rgba(75, 46, 131, .52), transparent 60%),
    radial-gradient(80% 70% at 12% 88%, rgba(53, 224, 200, .16), transparent 62%);
}

.media-frame img,
.media-frame picture > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

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

/* ------------------------------------------------------------------ 10. 按钮与徽标 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 24px;
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: .08em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--ink);
  background: var(--aurora);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
  transition: background .25s var(--ease), transform .25s var(--ease);
}

.btn:hover {
  background: var(--ember);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--paper);
  clip-path: none;
  box-shadow: inset 0 0 0 1px rgba(201, 211, 230, .42);
}

.btn--ghost:hover {
  background: rgba(201, 211, 230, .12);
  transform: translateY(-2px);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 11px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  white-space: nowrap;
  color: var(--silver);
  border: 1px solid rgba(201, 211, 230, .3);
  background: rgba(19, 27, 58, .7);
}

.tag--live {
  color: var(--aurora);
  border-color: rgba(53, 224, 200, .45);
  background: rgba(53, 224, 200, .08);
}

.tag--warm {
  color: var(--ember);
  border-color: rgba(255, 138, 61, .45);
  background: rgba(255, 138, 61, .08);
}

/* ------------------------------------------------------------------ 11. 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--muted);
}

.breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.breadcrumb a:hover { color: var(--aurora); }

.breadcrumb li:not(:first-child)::before {
  content: "／";
  margin: 0 10px;
  opacity: .5;
}

/* ------------------------------------------------------------------ 12. 分段切换与显现 */
.segmented {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(201, 211, 230, .22);
  background: rgba(19, 27, 58, .65);
}

.segmented__btn {
  padding: 9px 18px;
  font-size: 13.5px;
  letter-spacing: .08em;
  color: var(--silver);
  transition: background .25s var(--ease), color .25s var(--ease);
}

.segmented__btn:hover { color: var(--paper); }

.segmented__btn[aria-selected="true"] {
  background: var(--aurora);
  color: var(--ink);
  font-weight: 600;
}

[data-seg-panel][hidden] { display: none; }

[data-seg-panel] {
  animation: seg-in .4s var(--ease) both;
}

@keyframes seg-in {
  from { opacity: 0; transform: translateX(12px); }
  to   { opacity: 1; transform: none; }
}

[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity .7s var(--ease) var(--reveal-delay, 0ms),
    transform .7s var(--ease) var(--reveal-delay, 0ms);
}

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

/* ------------------------------------------------------------------ 13. 响应式 · 头部 */
@media (max-width: 1180px) {
  .brand__status { display: none; }
}

@media (max-width: 940px) {
  :root { --header-h: 68px; }

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

  .brand__mark { width: 28px; height: 28px; }
  .brand__mark::before { width: 26px; height: 12px; margin: -6px 0 0 -13px; }
  .brand__name { font-size: 15.5px; }
  .brand__sub { font-size: 9.5px; letter-spacing: .2em; }

  .site-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(86vw, 340px);
    z-index: 90;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: calc(var(--header-h) + 30px) 26px 40px;
    overflow-y: auto;
    overscroll-behavior: contain;
    background: linear-gradient(168deg, #0B1026 0%, #131B3A 52%, #241A45 100%);
    border-left: 1px solid rgba(201, 211, 230, .18);
    transform: translateX(103%);
    transition: transform .42s var(--ease);
  }

  .site-nav[data-open] { transform: translateX(0); }

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
  }

  .nav-list li { border-bottom: 1px solid rgba(201, 211, 230, .12); }
  .nav-list li:first-child { border-top: 1px solid rgba(201, 211, 230, .12); }

  .nav-list a {
    display: block;
    padding: 16px 0;
    font-size: 16.5px;
    letter-spacing: .06em;
  }

  .nav-list a::after { display: none; }

  .nav-list a[aria-current="page"] { color: var(--aurora); }

  .nav-list a[aria-current="page"]::before {
    content: "";
    display: inline-block;
    width: 16px;
    height: 1px;
    margin-right: 10px;
    vertical-align: middle;
    background: var(--aurora);
  }

  .nav-cta {
    width: 100%;
    margin-top: 26px;
    padding: 14px 20px;
  }
}

@media (min-width: 941px) {
  .nav-scrim { display: none; }
}

@media (max-width: 600px) {
  .brand__text { max-width: 46vw; }
  .brand__name { font-size: 15px; }
  .nav-toggle__text { display: none; }
}

body.is-nav-open { overflow: hidden; }

/* ------------------------------------------------------------------ 14. 响应式 · 栅格与页脚 */
@media (max-width: 1200px) and (min-width: 901px) {
  .col-3, .col-4, .col-5 { grid-column: span 6; }
  .col-7, .col-8 { grid-column: span 12; }
}

@media (max-width: 900px) {
  .col-3, .col-4, .col-5, .col-6, .col-7, .col-8 { grid-column: span 12; }
}

@media (max-width: 820px) {
  .footer-inner { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; }
  .footer-legal__links { margin-left: 0; width: 100%; }
}

@media (max-width: 460px) {
  .footer-cols { grid-template-columns: 1fr; }
  .footer-contact__item { flex-direction: column; gap: 3px; }
}

/* ------------------------------------------------------------------ 15. 无障碍降级 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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

  .status-dot { animation: none; opacity: 1; }
  .site-footer::after { animation: none; }

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