/* =========================================================
   亚新综合体育 · 共享站点样式 /assets/site.css
   夜间赛场指挥中心：深墨绿基底 + 刻度 + 等宽数据
   ========================================================= */

:root {
  --ink-900: #071A13;
  --ink-800: #101614;
  --moss: #1D3A2D;
  --slate: #43574D;
  --bone: #EFE9DA;
  --ash: #AEB9AE;
  --mint: #65F2B7;
  --amber: #F5A623;
  --violet: #9B7BFF;
  --clay: #C4694F;

  --line: rgba(101, 242, 183, 0.18);
  --line-soft: rgba(67, 87, 77, 0.55);
  --veil: rgba(7, 26, 19, 0.55);

  --font-display: "Barlow Condensed", "Oswald", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "IBM Plex Mono", "Roboto Mono", ui-monospace, SFMono-Regular, Consolas, monospace;

  --shell: 1320px;
  --gutter: 1rem;
  --radius: 2px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (min-width: 720px) {
  :root { --gutter: 1.75rem; }
}

@media (min-width: 1100px) {
  :root { --gutter: 2.5rem; }
}

/* ---------- reset ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--ink-900);
  color: var(--bone);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, p, figure, blockquote, dl, dd, pre { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
img, svg, picture { display: block; max-width: 100%; }
table { border-collapse: collapse; width: 100%; }

::selection {
  background: var(--mint);
  color: #04140E;
}

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

/* ---------- 中文排版基线 ---------- */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--bone);
}

h1 { font-size: clamp(2.3rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); }
h3 { font-size: clamp(1.15rem, 1.8vw, 1.5rem); }

p { max-width: 72ch; }

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

.section { padding-block: clamp(3rem, 7vw, 5.5rem); }
.section--tight { padding-block: clamp(2rem, 4vw, 3rem); }
.section--moss { background: var(--moss); }
.section--ink { background: var(--ink-800); }

.rule {
  height: 1px;
  border: 0;
  margin-block: clamp(1.75rem, 3vw, 2.75rem);
  background: var(--line-soft);
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -6rem;
  z-index: 300;
  padding: 0.7rem 1.15rem;
  background: var(--mint);
  color: #04140E;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  border-radius: var(--radius);
  transition: top 0.2s var(--ease);
}

.skip-link:focus {
  top: 0.9rem;
}

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 90;
  background: var(--veil);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: background-color 0.24s var(--ease), border-color 0.24s var(--ease), box-shadow 0.24s var(--ease);
}

.site-header[data-scrolled] {
  background: var(--ink-800);
  border-bottom-color: var(--line);
  box-shadow: 0 22px 46px -34px rgba(0, 0, 0, 0.95);
}

.header-band {
  border-bottom: 1px solid rgba(67, 87, 77, 0.45);
}

.header-band__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: 34px;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ash);
  overflow: hidden;
}

.header-band__label {
  color: var(--mint);
  flex-shrink: 0;
}

.header-band__list {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  flex: 1 1 auto;
  min-width: 0;
}

.header-band__item {
  position: relative;
  padding-left: 0.95rem;
  white-space: nowrap;
}

.header-band__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 5px;
  height: 5px;
  transform: translateY(-50%) rotate(45deg);
  background: var(--slate);
}

.header-band__item--amber::before { background: var(--amber); }
.header-band__item--violet::before { background: var(--violet); }
.header-band__item--now { color: var(--bone); }
.header-band__item--now::before { background: var(--mint); }

.header-band__meta {
  flex-shrink: 0;
  color: var(--slate);
  color: #7C8C81;
}

.header-main__inner {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
  min-height: 74px;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

/* 品牌 */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  flex-shrink: 0;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  background: var(--moss);
  border: 1px solid var(--mint);
  color: var(--mint);
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  line-height: 1;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 70% 100%, 0 100%);
  transition: background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.brand:hover .brand__mark {
  background: var(--mint);
  color: #04140E;
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-weight: 900;
  letter-spacing: 0.01em;
  line-height: 1.1;
  color: var(--bone);
}

.brand__line {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  line-height: 1;
}

/* 导航 */
.site-nav {
  display: block;
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.1rem;
}

.site-nav__item { display: block; }

.site-nav__link {
  display: inline-block;
  padding: 0.5rem 0.7rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ash);
  border-bottom: 2px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.site-nav__link:hover {
  color: var(--bone);
}

.site-nav__link[aria-current="page"] {
  color: var(--bone);
  border-bottom-color: var(--mint);
}

.site-nav__cta { display: none; }

.header-cta {
  margin-left: 0.6rem;
  flex-shrink: 0;
}

/* 移动菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  margin-left: auto;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(101, 242, 183, 0.35);
  border-radius: var(--radius);
  color: var(--bone);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--mint);
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--mint);
}

.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle__text { line-height: 1; }

/* 阅读进度刻度 */
.scroll-meter {
  height: 2px;
  width: 100%;
  background: rgba(67, 87, 77, 0.4);
  overflow: hidden;
}

.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--mint) 0%, var(--mint) 72%, var(--amber) 100%);
  transition: width 0.12s linear;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.78rem 1.3rem;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.18s var(--ease), color 0.18s var(--ease),
              border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.btn--primary {
  background: var(--mint);
  border-color: var(--mint);
  color: #04140E;
}

.btn--primary:hover {
  background: var(--bone);
  border-color: var(--bone);
}

.btn--primary:active { transform: translateY(1px); }

.btn--ghost {
  background: transparent;
  border-color: rgba(101, 242, 183, 0.45);
  color: var(--bone);
}

.btn--ghost:hover {
  border-color: var(--mint);
  color: var(--mint);
}

/* ---------- 章节标题 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--mint);
}

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

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem 1.25rem;
  margin-bottom: clamp(1.5rem, 3vw, 2.25rem);
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line-soft);
}

.section-head__index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--mint);
}

.section-head__title {
  font-size: clamp(1.5rem, 2.8vw, 2.2rem);
  margin: 0;
}

.section-head__note {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.6rem;
  border: 1px solid var(--slate);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ash);
  line-height: 1.4;
}

.tag--mint {
  color: var(--mint);
  border-color: rgba(101, 242, 183, 0.45);
  background: rgba(101, 242, 183, 0.08);
}

.tag--amber {
  color: var(--amber);
  border-color: rgba(245, 166, 35, 0.5);
  background: rgba(245, 166, 35, 0.08);
}

.tag--violet {
  color: var(--violet);
  border-color: rgba(155, 123, 255, 0.5);
  background: rgba(155, 123, 255, 0.08);
}

.tag--clay {
  color: var(--clay);
  border-color: rgba(196, 105, 79, 0.55);
  background: rgba(196, 105, 79, 0.1);
}

/* ---------- 数据数字 ---------- */
.data-num {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--mint);
  text-shadow: 0 0 22px rgba(101, 242, 183, 0.32);
}

/* ---------- 卡片 ---------- */
.grid {
  display: grid;
  gap: clamp(1rem, 2vw, 1.75rem);
}

.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

.card {
  position: relative;
  padding: 1.5rem;
  background: var(--ink-800);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--mint);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.card:hover {
  border-color: rgba(101, 242, 183, 0.4);
  transform: translateY(-2px);
}

.card__index {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--mint);
}

.card__title {
  margin-top: 0.6rem;
  font-size: 1.2rem;
  letter-spacing: -0.005em;
}

.card__text {
  margin-top: 0.55rem;
  font-size: 0.92rem;
  color: var(--ash);
}

/* ---------- 正文排版 ---------- */
.prose {
  max-width: 72ch;
}

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

.prose h2 {
  margin-top: 2.2em;
  font-size: clamp(1.5rem, 2.4vw, 2rem);
}

.prose h3 {
  margin-top: 1.8em;
  font-size: 1.18rem;
}

.prose li {
  position: relative;
  padding-left: 1.1rem;
}

.prose li + li { margin-top: 0.45em; }

.prose li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 5px;
  height: 5px;
  transform: rotate(45deg);
  background: var(--mint);
}

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

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

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding-block: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--ash);
}

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

.breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  color: var(--slate);
}

.breadcrumbs__link:hover { color: var(--mint); }
.breadcrumbs__current { color: var(--bone); }

/* ---------- 章节索引（页面侧栏目录） ---------- */
.chapter-nav { display: none; }

.chapter-nav__list {
  display: grid;
  gap: 0.1rem;
  border-left: 1px solid var(--line-soft);
}

.chapter-nav__link {
  display: block;
  margin-left: -1px;
  padding: 0.45rem 0.9rem;
  border-left: 1px solid transparent;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--ash);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.chapter-nav__link:hover { color: var(--bone); }

.chapter-nav__link[data-active] {
  color: var(--mint);
  border-left-color: var(--mint);
}

@media (min-width: 1024px) {
  .chapter-nav {
    display: block;
    position: sticky;
    top: 8.5rem;
  }
}

/* ---------- 图片容器 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--moss);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
}

.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--wide { aspect-ratio: 21 / 9; }

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

.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(155deg, rgba(101, 242, 183, 0.09), transparent 42%),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(67, 87, 77, 0.28) 31px 32px);
}

.media-frame__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  padding: 0.5rem 0.8rem;
  background: rgba(7, 26, 19, 0.85);
  font-family: var(--font-mono);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ash);
}

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  background: var(--ink-800);
  border-top: 1px solid var(--line);
  color: var(--ash);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: repeating-linear-gradient(90deg, var(--mint) 0 2px, transparent 2px 26px);
  opacity: 0.42;
  pointer-events: none;
}

.footer__inner {
  position: relative;
  padding-block: clamp(2.75rem, 6vw, 4.5rem) 2rem;
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 5vw, 3rem);
}

@media (min-width: 900px) {
  .footer-top {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.95fr);
    gap: 4rem;
  }
}

.footer-brand__kicker {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--mint);
}

.footer-brand__title {
  margin-top: 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.5rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -0.015em;
  color: var(--bone);
}

.footer-tagline {
  margin-top: 1.1rem;
  max-width: 34ch;
  font-size: 0.92rem;
  line-height: 1.75;
}

.footer-meter {
  display: flex;
  gap: 5px;
  margin-top: 1.6rem;
  max-width: 220px;
}

.footer-meter span {
  display: block;
  flex: 1;
  height: 3px;
  background: var(--slate);
}

.footer-meter span:nth-child(1) { background: var(--mint); flex: 2.4; }
.footer-meter span:nth-child(2) { background: var(--amber); }
.footer-meter span:nth-child(3) { background: var(--violet); }
.footer-meter span:nth-child(4) { background: var(--clay); opacity: 0.7; }

.footer-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.footer-col__title {
  margin: 0 0 0.9rem;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--bone);
}

.footer-col__list {
  display: grid;
  gap: 0.55rem;
}

.footer-link {
  position: relative;
  display: inline-block;
  font-size: 0.9rem;
  color: var(--ash);
  transition: color 0.18s var(--ease), padding-left 0.18s var(--ease);
}

.footer-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--mint);
  transition: width 0.18s var(--ease);
}

.footer-link:hover {
  color: var(--bone);
  padding-left: 0.9rem;
}

.footer-link:hover::before { width: 0.6rem; }

.footer-contact {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--moss);
  border: 1px solid rgba(101, 242, 183, 0.16);
  border-radius: var(--radius);
  display: grid;
  gap: 1.25rem;
}

@media (min-width: 900px) {
  .footer-contact {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    align-items: center;
    gap: 2.25rem;
  }
}

.footer-contact__grid {
  display: grid;
  gap: 1.1rem;
}

@media (min-width: 640px) {
  .footer-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.footer-contact__item {
  display: grid;
  gap: 0.3rem;
  margin: 0;
  max-width: none;
}

.footer-contact__key {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
}

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

.footer-contact__note {
  margin: 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--amber);
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--ash);
}

.footer-bottom {
  margin-top: clamp(1.75rem, 3vw, 2.5rem);
  padding-top: 1.25rem;
  border-top: 1px solid var(--line-soft);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.75rem;
}

.footer-legal {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--ash);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
}

.footer-legallink {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  color: var(--ash);
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.footer-legallink:hover {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

/* ---------- 平板 / 移动端 ---------- */
@media (max-width: 1023px) {
  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    margin-left: 0;
    padding: 0.5rem var(--gutter) 1.35rem;
    background: var(--ink-800);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 30px 50px -30px rgba(0, 0, 0, 0.95);
    max-height: calc(100dvh - 7rem);
    overflow-y: auto;
  }

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

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

  .site-nav__link {
    display: block;
    padding: 0.95rem 0.25rem;
    border-bottom: 1px solid rgba(67, 87, 77, 0.45);
    border-left: 2px solid transparent;
    font-size: 1rem;
  }

  .site-nav__link[aria-current="page"] {
    padding-left: 0.8rem;
    border-bottom-color: rgba(101, 242, 183, 0.35);
    border-left-color: var(--mint);
    color: var(--mint);
  }

  .site-nav__cta {
    display: inline-flex;
    width: 100%;
    margin-top: 1.15rem;
  }

  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
}

@media (max-width: 767px) {
  .header-band__item { display: none; }
  .header-band__item--now { display: block; }
  .header-band__meta { display: none; }
  .header-band__inner { font-size: 0.6rem; letter-spacing: 0.12em; }
  .header-main__inner { min-height: 64px; gap: 0.6rem; }
  .brand__mark { width: 36px; height: 36px; font-size: 1.2rem; }
  .brand__name { font-size: 1rem; }
  .brand__line { font-size: 0.52rem; letter-spacing: 0.16em; }
  .section-head__note { margin-left: 0; width: 100%; }
}

@media (max-width: 420px) {
  .brand__line { display: none; }
}

/* ---------- 动效降级 ---------- */
@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;
    scroll-behavior: auto !important;
  }

  .scroll-meter__fill { transition: none; }
}