/* ==================================================
   BSPORTS竞技 — 共享 Site Kit
   数据叙事 / 刊头导航 / 锐利直角 / 色块节奏
   ================================================== */

/* ---------- CSS 变量 ---------- */
:root {
  --navy-900: #0A1F44;
  --navy-700: #122A5E;
  --orange-400: #FF6B35;
  --orange-500: #E85A2A;
  --green-400: #39FF14;
  --light-100: #F4F7FB;
  --ink-900: #101828;
  --muted-600: #4B5563;
  --line: rgba(10, 31, 68, 0.12);
  --surface: #FFFFFF;

  --font-display: Impact, Bahnschrift, "Arial Narrow", "Helvetica Neue", sans-serif;
  --font-body: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", STSong, "Times New Roman", serif;
  --font-mono: "Roboto Mono", "SF Mono", "Cascadia Mono", Consolas, monospace;

  --container: 1280px;
  --container-wide: 1440px;
  --pad: 24px;
  --shadow-card: 0 4px 24px rgba(10, 31, 68, 0.08);
  --shadow-lift: 0 12px 36px rgba(10, 31, 68, 0.16);
  --transition: 160ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--ink-900);
  background: var(--light-100);
  min-height: 100vh;
}

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

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

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

ul, ol {
  list-style: none;
}

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

::selection {
  background: var(--orange-400);
  color: #fff;
}

:focus-visible {
  outline: 2px solid var(--orange-400);
  outline-offset: 2px;
}

main:focus {
  outline: none;
}

/* ---------- 布局容器 ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.container-wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: clamp(48px, 8vw, 96px);
}

/* ---------- 通用排版 ---------- */
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--orange-500);
  margin-bottom: 10px;
}

.section-kicker::before {
  content: '';
  width: 18px;
  height: 2px;
  background: var(--green-400);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  color: var(--navy-900);
  position: relative;
  padding-bottom: 14px;
  margin-bottom: 18px;
}

.section-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 4px;
  background: linear-gradient(90deg, var(--orange-400), var(--green-400));
}

.section-lede {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.8;
  color: var(--muted-600);
  max-width: 60ch;
  margin-bottom: 28px;
}

.serif-block {
  font-family: var(--font-serif);
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.9;
  color: var(--navy-900);
  border-left: 4px solid var(--orange-400);
  padding-left: 20px;
  margin-bottom: 28px;
}

.data-number {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1;
  color: var(--orange-500);
}

.muted {
  color: var(--muted-600);
}

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 13px;
  color: var(--muted-600);
}

.breadcrumbs a {
  color: var(--muted-600);
  transition: color var(--transition);
}

.breadcrumbs a:hover, .breadcrumbs a:focus-visible {
  color: var(--orange-500);
}

.breadcrumbs .sep {
  color: var(--navy-900);
  opacity: 0.3;
  font-family: var(--font-mono);
}

.breadcrumbs [aria-current="page"] {
  color: var(--ink-900);
  font-weight: 700;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -60px;
  left: 12px;
  z-index: 2000;
  padding: 10px 18px;
  background: var(--orange-400);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.04em;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
  transition: top var(--transition);
}

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

/* ---------- 滚动进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--orange-400), var(--green-400));
  z-index: 1500;
  pointer-events: none;
  transition: width 80ms linear;
}

/* ---------- 全局头部 ---------- */
.site-header {
  position: relative;
  z-index: 100;
  background: var(--navy-900);
  color: #fff;
  border-bottom: 3px solid var(--green-400);
}

.site-header::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* 顶部信息条 */
.header-topbar {
  position: relative;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 12px;
  letter-spacing: 0.1em;
  background: var(--navy-900);
}

.topbar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 36px;
  gap: 16px;
}

.topbar-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.75);
  letter-spacing: 0.06em;
}

.topbar-contact {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.55);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: var(--green-400);
  box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.5);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(57, 255, 20, 0.45); }
  70% { box-shadow: 0 0 0 8px rgba(57, 255, 20, 0); }
  100% { box-shadow: 0 0 0 0 rgba(57, 255, 20, 0); }
}

/* 刊头品牌区 */
.masthead {
  position: relative;
}

.masthead-inner {
  position: relative;
  display: block;
  text-align: center;
  padding: 30px 0 22px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  color: #fff;
  vertical-align: top;
}

.brand-mark {
  display: block;
  width: 34px;
  height: 34px;
  background: var(--orange-400);
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
  position: relative;
  flex: 0 0 auto;
}

.brand-mark::after {
  content: '';
  position: absolute;
  right: 5px;
  top: 5px;
  width: 8px;
  height: 8px;
  background: var(--green-400);
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1;
  letter-spacing: 0.02em;
}

.brand-tagline {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-size: 15px;
  color: rgba(255, 255, 255, 0.55);
  letter-spacing: 0.16em;
}

/* 主导航 */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 500;
  background: rgba(10, 31, 68, 0.96);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.nav-inner {
  position: relative;
}

.nav-list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  counter-reset: nav-counter;
}

.nav-link {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 13px 20px 11px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.72);
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
  border-bottom: 2px solid transparent;
}

.nav-link::before {
  counter-increment: nav-counter;
  content: counter(nav-counter, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 400;
  line-height: 1.2;
  color: var(--green-400);
  opacity: 0.7;
  letter-spacing: 0;
  margin-bottom: 2px;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--orange-400);
  transition: width var(--transition), left var(--transition);
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.04);
}

.nav-link:hover::after {
  left: 16%;
  width: 68%;
}

.nav-link[aria-current="page"] {
  color: #fff;
  box-shadow: inset 0 3px 0 var(--green-400);
}

.nav-link[aria-current="page"]::before {
  color: var(--orange-400);
  opacity: 1;
}

.nav-link[aria-current="page"]::after {
  left: 16%;
  width: 68%;
  background: var(--orange-400);
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  position: relative;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.04);
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
}

.nav-toggle::before,
.nav-toggle::after {
  content: '';
  position: absolute;
  left: 10px;
  right: 10px;
  height: 2px;
  background: var(--green-400);
  transition: transform var(--transition), top var(--transition), background var(--transition);
}

.nav-toggle::before {
  top: 16px;
  box-shadow: 0 6px 0 var(--orange-400);
}

.nav-toggle::after {
  top: 28px;
}

.nav-toggle[aria-expanded="true"]::before {
  top: 22px;
  transform: rotate(45deg);
  box-shadow: none;
}

.nav-toggle[aria-expanded="true"]::after {
  top: 22px;
  transform: rotate(-45deg);
  background: var(--orange-400);
}

.nav-toggle-label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 1;
  border: 2px solid transparent;
  color: #fff;
  background: var(--orange-400);
  cursor: pointer;
  text-align: center;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.btn:hover, .btn:focus-visible {
  background: var(--orange-500);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  border-color: var(--orange-400);
  color: var(--orange-500);
}

.btn-ghost:hover, .btn-ghost:focus-visible {
  background: var(--orange-400);
  color: #fff;
}

.btn-dark {
  background: var(--navy-900);
  color: #fff;
}

.btn-dark:hover, .btn-dark:focus-visible {
  background: var(--navy-700);
}

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

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

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

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

/* ---------- 卡片 ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  padding: 24px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-4px);
  border-color: rgba(255, 107, 53, 0.35);
}

.card-dark {
  background: var(--navy-700);
  border-color: transparent;
  color: rgba(255, 255, 255, 0.8);
}

.card-dark .card-title {
  color: #fff;
}

.card-data {
  background: var(--navy-900);
  color: #fff;
  border: 0;
  position: relative;
}

.card-data::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--green-400);
}

.card-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.2;
  margin-bottom: 12px;
  color: var(--navy-900);
}

.card-meta {
  font-size: 13px;
  color: var(--muted-600);
  font-family: var(--font-mono);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--navy-900);
  background: var(--light-100);
  border: 1px solid var(--line);
}

.tag-live {
  color: #0b2e02;
  background: var(--green-400);
  border-color: transparent;
}

.tag-orange {
  color: #fff;
  background: var(--orange-400);
  border-color: transparent;
}

/* ---------- 数据可视化 ---------- */
.data-track {
  height: 8px;
  background: rgba(10, 31, 68, 0.08);
  position: relative;
  overflow: hidden;
}

.data-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--orange-400), var(--green-400));
  transition: width 300ms ease;
}

.timeline {
  position: relative;
  padding-left: 28px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 6px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--orange-400), var(--green-400));
}

.timeline-item {
  position: relative;
  padding-bottom: 32px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 4px;
  width: 10px;
  height: 10px;
  background: var(--navy-900);
  border: 2px solid var(--orange-400);
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: -21px;
  top: 9px;
  width: 4px;
  height: 4px;
  background: var(--green-400);
}

/* ---------- 图片容器 ---------- */
.image-frame {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--navy-700);
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.image-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 0%, transparent 60%, rgba(255, 107, 53, 0.22) 100%);
  pointer-events: none;
}

.image-frame--landscape {
  aspect-ratio: 21 / 9;
}

.image-frame--portrait {
  aspect-ratio: 3 / 4;
}

.image-frame--square {
  aspect-ratio: 1 / 1;
}

/* ---------- 可展开面板 ---------- */
.panel {
  border: 1px solid var(--line);
  background: var(--surface);
  margin-bottom: 12px;
  box-shadow: var(--shadow-card);
}

.panel-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 18px 20px;
  font-size: 16px;
  font-weight: 700;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--surface);
  text-align: left;
  transition: background var(--transition);
}

.panel-toggle:hover, .panel-toggle:focus-visible {
  background: var(--light-100);
}

.panel-toggle::after {
  content: '+';
  font-family: var(--font-mono);
  font-size: 22px;
  color: var(--orange-400);
  transition: transform var(--transition);
  flex: 0 0 auto;
  line-height: 1;
}

.panel[data-open] .panel-toggle::after {
  transform: rotate(45deg);
}

.panel-content {
  display: none;
  padding: 0 20px 20px;
  color: var(--muted-600);
  font-size: 15px;
  line-height: 1.8;
}

.panel[data-open] .panel-content {
  display: block;
}

/* ---------- 装饰元素 ---------- */
.slanted {
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 24px 100%, 0 calc(100% - 24px));
}

.divider-dash {
  height: 1px;
  border: 0;
  background-image: linear-gradient(to right, var(--orange-400) 0 24%, transparent 24%);
  background-size: 48px 1px;
  background-repeat: repeat-x;
  margin-block: 32px;
}

.data-pattern {
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 24px 24px;
}

.speed-lines {
  position: relative;
  height: 4px;
  overflow: hidden;
  background: transparent;
}

.speed-lines::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, var(--orange-400), transparent);
  animation: speed-line 2.2s linear infinite;
}

@keyframes speed-line {
  from { transform: translateX(-100%); }
  to { transform: translateX(100%); }
}

/* ---------- 全局页脚 ---------- */
.site-footer {
  position: relative;
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.72);
  border-top: 4px solid var(--navy-900);
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 4px;
  width: 40%;
  background: linear-gradient(90deg, var(--orange-400), var(--green-400));
  z-index: 1;
}

.site-footer::after {
  content: '';
  position: absolute;
  top: 4px;
  right: 0;
  height: 4px;
  width: 20%;
  background: rgba(255, 255, 255, 0.08);
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 0.8fr 1.2fr;
  gap: clamp(32px, 5vw, 64px);
  padding-block: clamp(48px, 7vw, 80px) clamp(32px, 5vw, 48px);
}

.footer-brand {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  color: #fff;
  line-height: 1;
}

.footer-tagline {
  margin-top: 8px;
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--green-400);
  font-size: 15px;
  letter-spacing: 0.06em;
}

.footer-trust {
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  max-width: 46ch;
}

.footer-live {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.55);
  text-transform: uppercase;
}

.footer-heading {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.9);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-heading::before {
  content: '';
  width: 8px;
  height: 8px;
  background: var(--orange-400);
  flex: 0 0 auto;
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-list a {
  color: rgba(255, 255, 255, 0.65);
  display: inline-block;
  border-bottom: 1px solid transparent;
  transition: color var(--transition), padding-left var(--transition), border-color var(--transition);
}

.footer-list a:hover, .footer-list a:focus-visible {
  color: #fff;
  border-bottom-color: var(--orange-400);
  padding-left: 4px;
}

.footer-contact-list {
  gap: 12px;
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact-list li {
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.contact-label {
  display: inline-block;
  min-width: 40px;
  font-size: 12px;
  font-family: var(--font-mono);
  color: var(--green-400);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.footer-hours {
  margin-top: 16px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.4);
  border-left: 2px solid var(--orange-400);
  padding-left: 10px;
}

.footer-legal {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  background: var(--navy-700);
}

.footer-legal-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding-block: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.45);
}

/* ---------- 响应式 ---------- */
@media (max-width: 1100px) {
  .nav-link {
    padding-inline: 13px;
    font-size: 13px;
  }
}

@media (max-width: 960px) {
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .masthead-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    padding: 14px 0;
  }

  .brand-lockup {
    gap: 10px;
  }

  .brand-mark {
    width: 26px;
    height: 26px;
  }

  .brand-name {
    font-size: 1.6rem;
  }

  .brand-tagline {
    display: none;
  }

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

  .site-nav {
    display: none;
    position: relative;
    top: auto;
    background: var(--navy-700);
  }

  .site-nav[data-open] {
    display: block;
  }

  .nav-inner {
    padding-inline: 12px;
    padding-bottom: 12px;
  }

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

  .nav-link {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: none !important;
  }

  .nav-link::before {
    margin-bottom: 0;
    min-width: 22px;
    color: var(--green-400);
  }

  .nav-link::after {
    display: none;
  }

  .nav-link[aria-current="page"] {
    background: rgba(255, 107, 53, 0.12);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
    padding-block: 40px 24px;
  }

  .footer-legal-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 720px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .topbar-contact {
    display: none;
  }

  .topbar-inner {
    justify-content: center;
  }
}

/* ---------- 减少动态效果 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }

  .status-dot,
  .speed-lines::before {
    animation: none;
  }

  .scroll-progress {
    transition: none;
  }
}