/* ============================================================
   火狐体育 · 共享样式 /assets/site.css
   头部 / 页脚 / 通用组件 / 基础排版
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root {
  --orange: #FF6B1A;
  --ink: #141414;
  --board: #1F2226;
  --steel: #2E3A46;
  --cyan: #00E5C7;
  --paper: #F5F3EF;
  --amber: #FFB03A;
  --mute: #6C7A8A;
  --alert: #D93A12;
  --ash: #B9C2CB;

  --line: rgba(245, 243, 239, 0.12);
  --line-soft: rgba(245, 243, 239, 0.07);
  --line-strong: rgba(245, 243, 239, 0.26);
  --line-ink: rgba(20, 20, 20, 0.14);

  --font-display: "Barlow Condensed", "Oswald", Impact, "Haettenschweiler", "Arial Narrow", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", "Noto Sans SC", monospace;

  --header-h: 76px;
  --page-x: 28px;
  --maxw: 1320px;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (max-width: 960px) {
  :root {
    --header-h: 64px;
    --page-x: 18px;
  }
}

/* ---------- 2. Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16.5px;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0.01em;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.nav-open {
  overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

p {
  margin: 0;
}

a {
  color: inherit;
}

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

img {
  height: auto;
}

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

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

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

address {
  font-style: normal;
}

[hidden] {
  display: none !important;
}

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

/* ---------- 3. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--cyan);
  color: #0B1416;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-decoration: none;
  border-radius: var(--radius);
  transform: translateY(-180%);
  transition: transform 0.22s var(--ease);
}

.skip-link:focus-visible {
  transform: translateY(0);
  outline-color: var(--paper);
}

/* ---------- 4. 头部 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(20, 20, 20, 0.72);
  -webkit-backdrop-filter: blur(12px) saturate(130%);
  backdrop-filter: blur(12px) saturate(130%);
  border-bottom: 1px solid transparent;
  transition: background-color 0.28s var(--ease), border-color 0.28s var(--ease), box-shadow 0.28s var(--ease);
}

.site-header[data-scrolled="true"] {
  background: #141414;
  border-bottom-color: var(--line);
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, 0.95);
}

.header-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.header-progress span {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--p, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--orange), var(--amber) 45%, var(--cyan));
  transition: transform 0.12s linear;
}

.header-inner {
  position: relative;
  width: 100%;
  max-width: var(--maxw);
  height: var(--header-h);
  margin: 0 auto;
  padding: 0 var(--page-x);
  display: flex;
  align-items: center;
  gap: 16px;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  padding: 6px 0;
  text-decoration: none;
  color: var(--paper);
}

.brand-mark {
  width: 27px;
  height: 27px;
  flex: 0 0 auto;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 58%, 58% 100%, 0 100%);
}

.brand-text {
  display: grid;
  gap: 3px;
  line-height: 1.05;
}

.brand-text strong {
  font-family: var(--font-display);
  font-size: 23px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--paper);
}

.brand-text em {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--mute);
  text-transform: uppercase;
}

/* 导航 */
.site-nav {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.4vw, 22px);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: clamp(8px, 1.4vw, 22px);
}

.nav-list a {
  position: relative;
  display: inline-block;
  padding: 10px 2px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.015em;
  color: rgba(245, 243, 239, 0.78);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease);
}

.nav-list a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 3px;
  height: 2px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 0.22s var(--ease);
}

.nav-list a:hover,
.nav-list a:focus-visible {
  color: var(--paper);
}

.nav-list a:hover::after,
.nav-list a:focus-visible::after {
  transform: scaleX(1);
}

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

.nav-list a[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--cyan);
}

.nav-cta {
  display: none;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 40px;
  padding: 0 12px;
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.24s var(--ease), opacity 0.2s var(--ease);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle-label {
  line-height: 1;
}

/* ---------- 5. 战术拨盘 ---------- */
.dial {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 120;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
}

.dial-menu {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  transform-origin: 100% 100%;
  pointer-events: none;
}

.dial-item {
  opacity: 0;
  transform: translateY(10px) scale(0.96);
  transition: opacity 0.2s var(--ease), transform 0.24s var(--ease);
  pointer-events: none;
}

.dial-item a {
  display: block;
  padding: 7px 14px;
  background: #1B1E22;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--orange);
  color: var(--paper);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.dial-item a:hover,
.dial-item a:focus-visible {
  background: var(--orange);
  border-left-color: var(--cyan);
  color: #141414;
}

.dial[data-open="true"] .dial-menu {
  pointer-events: auto;
}

.dial[data-open="true"] .dial-item {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}

.dial[data-open="true"] .dial-item:nth-child(1) { transition-delay: 0.02s; }
.dial[data-open="true"] .dial-item:nth-child(2) { transition-delay: 0.06s; }
.dial[data-open="true"] .dial-item:nth-child(3) { transition-delay: 0.1s; }
.dial[data-open="true"] .dial-item:nth-child(4) { transition-delay: 0.14s; }
.dial[data-open="true"] .dial-item:nth-child(5) { transition-delay: 0.18s; }
.dial[data-open="true"] .dial-item:nth-child(6) { transition-delay: 0.22s; }

.dial-trigger {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 52px;
  padding: 0 18px 0 15px;
  background: #141414;
  border: 1px solid rgba(255, 107, 26, 0.55);
  border-radius: 999px;
  color: var(--orange);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  box-shadow: 0 20px 36px -20px rgba(0, 0, 0, 0.95);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.dial-trigger:hover {
  border-color: var(--orange);
  transform: translateY(-1px);
}

.dial[data-open="true"] .dial-trigger {
  background: var(--orange);
  border-color: var(--orange);
  color: #141414;
}

.dial-trigger-icon {
  width: 13px;
  height: 13px;
  border: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.28s var(--ease);
}

.dial[data-open="true"] .dial-trigger-icon {
  transform: rotate(135deg);
}

.dial-trigger-text {
  line-height: 1;
}

/* ---------- 6. 页脚 ---------- */
.site-footer {
  position: relative;
  background: #101010;
  color: var(--ash);
  border-top: 1px solid var(--line);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: min(420px, 54%);
  height: 5px;
  background: linear-gradient(90deg, var(--orange), var(--amber));
  clip-path: polygon(0 0, 100% 0, calc(100% - 34px) 100%, 0 100%);
}

.footer-grid {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px var(--page-x) 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1.35fr);
  gap: 40px 36px;
  align-items: start;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  text-decoration: none;
  color: var(--paper);
}

.footer-logo-mark {
  width: 24px;
  height: 24px;
  flex: 0 0 auto;
  background: var(--orange);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 56% 100%, 0 100%);
}

.footer-logo-text {
  font-family: var(--font-display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.footer-tagline {
  margin-top: 14px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ash);
}

.footer-meta {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mute);
}

.footer-col h3 {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper);
}

.footer-col h3::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: none;
  background: var(--orange);
}

.footer-list {
  display: grid;
  gap: 9px;
}

.footer-list a {
  display: inline-block;
  padding: 2px 0;
  font-size: 14px;
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-list a:hover,
.footer-list a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.footer-contact-list {
  display: grid;
  gap: 12px;
  font-size: 13.5px;
  line-height: 1.7;
}

.footer-contact-list li {
  display: grid;
  gap: 2px;
}

.footer-contact-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mute);
}

.footer-contact-value {
  color: var(--ash);
  word-break: break-word;
}

.footer-base {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 20px var(--page-x) 34px;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: rgba(185, 194, 203, 0.68);
}

.footer-copy,
.footer-legal {
  margin: 0;
}

.footer-legal {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-legal::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

/* ---------- 7. 通用按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--orange);
  color: #141414;
  cursor: pointer;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background-color 0.18s var(--ease), color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px -18px rgba(255, 107, 26, 0.95);
}

.btn:active {
  transform: translateY(0);
}

.btn-signal {
  background: var(--orange);
  color: #141414;
  box-shadow: inset 3px 0 0 rgba(20, 20, 20, 0.35);
}

.btn-cyan {
  background: var(--cyan);
  color: #0C1517;
}

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

.btn-ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  box-shadow: none;
}

/* ---------- 8. 面包屑 ---------- */
.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  padding: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mute);
}

.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
}

.crumbs li {
  display: flex;
  align-items: center;
}

.crumbs li + li::before {
  content: "/";
  margin: 0 9px;
  color: rgba(108, 122, 138, 0.55);
}

.crumbs a {
  color: var(--mute);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.crumbs a:hover {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.crumbs [aria-current="page"] {
  color: var(--ash);
}

/* ---------- 9. 版式与容器 ---------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding-inline: var(--page-x);
}

.section {
  padding: 72px 0;
}

.band {
  position: relative;
}

.band--board {
  background: var(--board);
}

.band--steel {
  background: var(--steel);
}

.band--paper {
  background: var(--paper);
  color: var(--ink);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--orange);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: currentColor;
}

.section-title {
  font-size: clamp(1.6rem, 3.4vw, 2.4rem);
  letter-spacing: -0.02em;
}

/* ---------- 10. 长文正文 ---------- */
.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.85;
  color: #E7E4DE;
}

.prose > * + * {
  margin-top: 1.15em;
}

.prose h2 {
  margin-top: 1.9em;
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}

.prose h3 {
  margin-top: 1.5em;
  font-size: 1.2rem;
}

.prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 199, 0.4);
}

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

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

.prose ul {
  display: grid;
  gap: 0.5em;
}

.prose ul li {
  position: relative;
  padding-left: 1.2em;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--orange);
}

.prose ol {
  list-style: decimal;
  padding-left: 1.4em;
}

.prose ol li::marker {
  color: var(--orange);
  font-family: var(--font-mono);
}

.prose blockquote {
  margin: 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--orange);
  color: var(--ash);
}

.prose code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  background: rgba(245, 243, 239, 0.08);
  padding: 0.1em 0.4em;
  border-radius: 2px;
}

.prose table {
  font-size: 14.5px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.prose th,
.prose td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.prose th {
  background: var(--steel);
  color: var(--paper);
  font-weight: 700;
}

/* ---------- 11. 图片容器 ---------- */
.media {
  position: relative;
  display: block;
  width: 100%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--steel), var(--board));
  border-radius: var(--radius);
}

.media > img,
.media > picture > img,
.media > video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(245, 243, 239, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245, 243, 239, 0.055) 1px, transparent 1px);
  background-size: 24px 24px;
}

.media--wide {
  aspect-ratio: 16 / 9;
}

.media--tall {
  aspect-ratio: 3 / 4;
}

.media--square {
  aspect-ratio: 1 / 1;
}

.media--slant {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 34px), 0 100%);
}

.media-caption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--mute);
}

/* ---------- 12. 网格 ---------- */
.grid {
  display: grid;
  gap: 24px;
}

.grid--8-4 {
  grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
}

.grid--4-8 {
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr);
}

.grid--3-6-3 {
  grid-template-columns: minmax(0, 1fr) minmax(0, 2fr) minmax(0, 1fr);
}

.grid--2-7-3 {
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 2.4fr) minmax(0, 1fr);
}

/* ---------- 13. 面板 / 标签 / 数字 ---------- */
.panel {
  padding: 24px;
  background: var(--board);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.panel--paper {
  background: var(--paper);
  color: var(--ink);
  border-color: var(--line-ink);
}

.panel--flat {
  background: transparent;
  border-color: var(--line-soft);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  border: 1px solid var(--line-strong);
  border-radius: 1px;
  color: var(--ash);
}

.tag--signal {
  background: var(--orange);
  border-color: var(--orange);
  color: #141414;
}

.tag--cyan {
  border-color: rgba(0, 229, 199, 0.55);
  color: var(--cyan);
}

.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
  letter-spacing: -0.01em;
}

/* ---------- 14. 显现 ---------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal-on [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.55s var(--ease), transform 0.55s var(--ease);
  }

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

/* ---------- 15. 响应式：头部 / 拨盘 / 页脚 / 网格 ---------- */
@media (max-width: 1100px) {
  .nav-list a {
    font-size: 14px;
  }

  .brand-text em {
    display: none;
  }
}

@media (max-width: 960px) {
  .header-inner {
    gap: 12px;
  }

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

  .header-cta {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    display: block;
    margin: 0;
    padding: 12px var(--page-x) 28px;
    background: #101010;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 34px 64px -34px rgba(0, 0, 0, 0.95);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.24s var(--ease), transform 0.24s var(--ease), visibility 0.24s linear;
  }

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

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

  .nav-list li {
    border-bottom: 1px solid var(--line-soft);
  }

  .nav-list a {
    display: block;
    padding: 15px 2px;
    font-size: 16px;
  }

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

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

  .nav-list a[aria-current="page"]::before {
    content: "";
    position: absolute;
    left: -14px;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--cyan);
    transform: translateY(-50%);
  }

  .nav-cta {
    display: inline-flex;
    margin-top: 18px;
  }

  .dial {
    display: none;
  }

  .grid--8-4,
  .grid--4-8,
  .grid--3-6-3,
  .grid--2-7-3 {
    grid-template-columns: minmax(0, 1fr);
  }

  .section {
    padding: 48px 0;
  }
}

@media (max-width: 1000px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 600px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    padding: 44px var(--page-x) 36px;
  }

  .footer-base {
    padding: 18px var(--page-x) 28px;
    font-size: 11px;
  }

  .brand-text strong {
    font-size: 20px;
  }

  .panel {
    padding: 18px;
  }
}

/* ---------- 16. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-delay: 0ms !important;
    transition-duration: 0.001ms !important;
    transition-delay: 0ms !important;
  }
}