/* ============================================================
   爱体育主站 · /assets/site.css
   reset / tokens / 中文排版 / 双层头部 / 页脚 / 通用组件
   ============================================================ */

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

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

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

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

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

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

a {
  color: inherit;
}

:root {
  /* 品牌色 */
  --ink: #0B1F18;
  --ink-deep: #071410;
  --panel: #12362A;
  --panel-lift: #17452F;
  --teal: #1E5A45;
  --neon: #00E0B8;
  --neon-soft: #7CF7DA;
  --orange: #FF7A2F;
  --amber: #FFC46B;
  --paper: #F4F0E6;
  --mist: #CFE9DF;
  --alert: #E5484D;

  /* 语义色 */
  --text: rgba(244, 240, 230, 0.92);
  --text-soft: rgba(207, 233, 223, 0.78);
  --text-dim: rgba(207, 233, 223, 0.56);
  --text-faint: rgba(207, 233, 223, 0.38);
  --line: rgba(0, 224, 184, 0.24);
  --line-soft: rgba(207, 233, 223, 0.14);
  --ink-line: rgba(11, 31, 24, 0.16);

  /* 尺度 */
  --shell: 1200px;
  --gutter: clamp(18px, 4vw, 44px);
  --cut: 16px;
  --header-h: 64px;

  /* 字体 */
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
}

body {
  background-color: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

::selection {
  background: var(--neon);
  color: #04211A;
}

/* ---------- 布局容器 ---------- */

.shell {
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: clamp(48px, 7vw, 96px);
  position: relative;
}

.section--ink {
  background-color: var(--ink);
  color: var(--text);
}

.section--paper {
  background-color: var(--paper);
  color: #16261f;
}

.section--paper .kicker { color: #0B6B52; }
.section--paper .lede { color: rgba(22, 38, 31, 0.72); }
.section--paper .display { color: #0B1F18; }
.section--paper .display em { color: #0B6B52; }
.section--paper .rot-note { color: rgba(22, 38, 31, 0.42); }
.section--paper .tag {
  color: #0B5B45;
  background: rgba(11, 91, 69, 0.08);
  border-color: rgba(11, 91, 69, 0.24);
}
.section--paper .stat__num { color: #0B6B52; }
.section--paper .stat__num--warm { color: #C2541A; }
.section--paper .stat__label { color: rgba(22, 38, 31, 0.6); }
.section--paper .data-table th { color: rgba(22, 38, 31, 0.55); }
.section--paper .data-table th,
.section--paper .data-table td { border-bottom-color: var(--ink-line); }
.section--paper .data-table td:first-child { color: #0B6B52; }
.section--paper .data-table tbody tr:hover { background: rgba(11, 91, 69, 0.07); }
.section--paper .panel {
  background: #FFFFFF;
  color: #16261f;
}
.section--paper .panel::before { background: var(--orange); }
.section--paper .panel:hover { background: #FFFDF7; }
.section--paper .prose { color: rgba(22, 38, 31, 0.86); }

/* ---------- 网格 ---------- */

.grid {
  display: grid;
  gap: clamp(14px, 2vw, 24px);
}

.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--12 > * { grid-column: span 12; }

@media (min-width: 981px) {
  .grid--12 > .span-4 { grid-column: span 4; }
  .grid--12 > .span-5 { grid-column: span 5; }
  .grid--12 > .span-6 { grid-column: span 6; }
  .grid--12 > .span-7 { grid-column: span 7; }
  .grid--12 > .span-8 { grid-column: span 8; }
  .grid--12 > .offset-1 { grid-column-start: 2; }
}

@media (max-width: 980px) {
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 中文排版 ---------- */

.display {
  font-size: clamp(34px, 6vw, 72px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
  margin: 0;
}

.display em {
  font-style: normal;
  color: var(--neon);
}

.lede {
  font-size: clamp(15px, 1.6vw, 18px);
  line-height: 1.72;
  color: var(--text-soft);
  max-width: 34em;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--neon);
}

.kicker::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, var(--neon), transparent);
}

.rot-note {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-faint);
  writing-mode: vertical-rl;
  line-height: 1;
}

.prose {
  max-width: 38em;
  font-size: 17px;
  line-height: 1.72;
  color: rgba(244, 240, 230, 0.86);
}

.prose h2 {
  font-size: clamp(26px, 3vw, 34px);
  margin: 1.6em 0 0.6em;
  color: var(--paper);
}

.prose h3 {
  font-size: clamp(20px, 2.2vw, 24px);
  margin: 1.4em 0 0.5em;
  color: var(--paper);
}

.section--paper .prose h2,
.section--paper .prose h3 { color: #0B1F18; }

.prose p { margin: 0 0 1em; }

.prose ul {
  margin: 0 0 1em;
  padding-left: 1.1em;
  list-style: none;
}

.prose ul li {
  position: relative;
  padding-left: 0.2em;
  margin-bottom: 0.4em;
}

.prose ul li::before {
  content: "";
  position: absolute;
  left: -0.9em;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--neon);
}

.prose a {
  color: var(--neon-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

/* ---------- 跳过链接 ---------- */

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 16px;
  background: var(--neon);
  color: #04211A;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
  transform: translateY(-180%);
  transition: transform 0.18s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- 头部 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(7, 20, 16, 0.99), rgba(11, 31, 24, 0.97));
  border-bottom: 1px solid var(--line-soft);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: rgba(0, 224, 184, 0.1);
  pointer-events: none;
}

.scroll-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--neon), var(--amber));
}

/* 上层：品牌说明 + 客服元信息 */

.header-topbar {
  max-height: 60px;
  overflow: hidden;
  background: rgba(18, 54, 42, 0.6);
  border-bottom: 1px solid var(--line-soft);
  transition: max-height 0.28s ease, opacity 0.2s ease;
}

.site-header[data-scrolled="true"] .header-topbar {
  max-height: 0;
  opacity: 0;
  border-bottom-color: transparent;
}

.header-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 60px;
}

.brand-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--mist);
  white-space: nowrap;
}

.brand-note__dot {
  display: block;
  width: 8px;
  height: 8px;
  background: var(--neon);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

.header-meta {
  display: flex;
  align-items: baseline;
  gap: clamp(14px, 3vw, 30px);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

.header-meta__item {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.header-meta__k {
  color: var(--text-faint);
  letter-spacing: 0.12em;
}

.header-meta__v {
  color: var(--neon-soft);
}

/* 下层：品牌 + 栏目 */

.header-main__inner {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 40px);
  min-height: 72px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--paper);
  flex: none;
}

.brand__mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: none;
  background: linear-gradient(140deg, var(--neon), var(--teal));
  clip-path: polygon(0 0, 100% 0, 100% 68%, 68% 100%, 0 100%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 10px;
  bottom: 11px;
  height: 2px;
  background: var(--ink);
  transform: rotate(-12deg);
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: 0.02em;
}

.brand__tag {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  margin-top: 3px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  margin-left: auto;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(2px, 1vw, 12px);
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 10px 10px 12px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--text-soft);
  text-decoration: none;
  transition: color 0.18s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 10px;
  bottom: 4px;
  width: 0;
  height: 2px;
  background: var(--neon);
  transition: width 0.2s ease;
}

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

.site-nav__link:hover::after {
  width: calc(100% - 20px);
  background: var(--neon-soft);
}

.site-nav__link[aria-current="page"] {
  color: var(--paper);
}

.site-nav__link[aria-current="page"]::after {
  width: 24px;
  background: var(--neon);
  box-shadow: 0 0 12px rgba(0, 224, 184, 0.7);
}

.header-cta {
  flex: none;
}

/* 移动端汉堡 */

.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: rgba(0, 224, 184, 0.06);
  color: var(--neon-soft);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%);
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 20px;
  height: 2px;
  background: var(--neon);
  transition: background-color 0.18s ease;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--neon);
  transition: transform 0.2s ease, top 0.2s ease;
}

.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { top: 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { top: 0; transform: rotate(-45deg); }

/* ---------- 页脚 ---------- */

.site-footer {
  position: relative;
  background: linear-gradient(180deg, var(--ink-deep), var(--ink));
  border-top: 1px solid var(--line);
  padding-block: clamp(36px, 5vw, 64px) 0;
  color: var(--text-soft);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon), transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.85fr 0.85fr 1.2fr;
  gap: clamp(20px, 3vw, 48px);
  padding-bottom: clamp(28px, 4vw, 46px);
}

.footer-brand__name {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.footer-brand__line {
  margin-top: 6px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--neon);
}

.footer-brand__note {
  margin-top: 14px;
  max-width: 22em;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.footer-col__title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding-bottom: 10px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--line-soft);
}

.footer-list li { margin-bottom: 8px; }

.footer-list__link {
  font-size: 14px;
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.footer-list__link:hover {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

.footer-contact__line {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 6px;
  font-variant-numeric: tabular-nums;
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding-block: 18px 22px;
  border-top: 1px solid var(--line-soft);
}

.footer-legal__line {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--text-faint);
}

.footer-legal__links {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 13px;
}

.footer-legal__link {
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.16s ease;
}

.footer-legal__link:hover {
  color: var(--neon);
}

/* ---------- 通用按钮 ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease,
              border-color 0.18s ease, box-shadow 0.18s ease;
}

.btn--primary {
  background: var(--orange);
  color: #1E0D03;
}

.btn--primary:hover {
  background: #FF9257;
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(255, 122, 47, 0.28);
}

.btn--ghost {
  background: rgba(0, 224, 184, 0.05);
  border-color: var(--line);
  color: var(--neon-soft);
}

.btn--ghost:hover {
  border-color: var(--neon);
  color: var(--paper);
  transform: translateY(-2px);
}

/* ---------- 面包屑 ---------- */

.crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--text-faint);
}

.crumbs a {
  color: inherit;
  text-decoration: none;
  transition: color 0.16s ease;
}

.crumbs a:hover { color: var(--neon-soft); }

.crumbs__sep {
  color: rgba(0, 224, 184, 0.45);
}

.section--paper .crumbs { color: rgba(22, 38, 31, 0.5); }
.section--paper .crumbs a:hover { color: #0B6B52; }

/* ---------- 切角面板 ---------- */

.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: linear-gradient(150deg, var(--panel), #0E2A21 72%);
  color: var(--text);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
  transition: transform 0.2s ease, background 0.2s ease;
}

.panel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 3px;
  height: 28px;
  background: var(--neon);
  transition: height 0.22s ease, top 0.22s ease;
}

.panel:hover {
  transform: translateY(-3px);
  background: linear-gradient(150deg, var(--panel-lift), #102F25 72%);
}

.panel:hover::before {
  top: 0;
  height: 100%;
}

.panel--paper {
  background: var(--paper);
  color: #16261f;
}

.panel--paper::before { background: var(--orange); }

.panel--paper:hover { background: #FFFDF7; }

/* ---------- 标签 ---------- */

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--neon-soft);
  background: rgba(0, 224, 184, 0.08);
  border: 1px solid rgba(0, 224, 184, 0.24);
  white-space: nowrap;
}

.tag--warm {
  background: var(--amber);
  border-color: var(--amber);
  color: #2A1104;
}

/* ---------- 数据块 ---------- */

.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.stat__num {
  font-family: var(--mono);
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--neon);
  font-variant-numeric: tabular-nums;
}

.stat__num--warm { color: var(--orange); }

.stat__label {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

/* ---------- 数据表 ---------- */

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
  font-variant-numeric: tabular-nums;
}

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

.data-table th {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.data-table td:first-child {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--neon-soft);
}

.data-table tbody tr {
  transition: background-color 0.16s ease;
}

.data-table tbody tr:hover {
  background: rgba(0, 224, 184, 0.07);
}

/* ---------- 图片容器（页面阶段放置图片） ---------- */

.fig {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: linear-gradient(140deg, var(--panel), var(--ink));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
}

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

.fig::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(0, 224, 184, 0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 224, 184, 0.14) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.55;
}

.fig__cap {
  position: absolute;
  left: 12px;
  bottom: 10px;
  z-index: 2;
  padding: 3px 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--neon-soft);
  background: rgba(7, 20, 16, 0.72);
}

.fig--wide { aspect-ratio: 21 / 9; }
.fig--tall { aspect-ratio: 3 / 4; }

/* ---------- 装饰分隔 ---------- */

.rule-slant {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, rgba(0, 224, 184, 0.5), transparent);
  transform: rotate(-1.2deg);
}

/* ---------- 焦点与可访问性 ---------- */

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

.btn:focus-visible,
.nav-toggle:focus-visible,
.site-nav__link:focus-visible,
.footer-list__link:focus-visible,
.footer-legal__link:focus-visible,
.skip-link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--neon), 0 0 0 3px rgba(7, 20, 16, 0.85);
}

.site-nav__link:focus-visible,
.footer-list__link:focus-visible,
.footer-legal__link:focus-visible {
  box-shadow: inset 0 0 0 1px var(--neon);
  border-radius: 1px;
}

#main-content {
  scroll-margin-top: 96px;
}

/* ---------- 响应式：头部与页脚 ---------- */

@media (max-width: 1020px) {
  .site-nav__link { padding-inline: 7px; font-size: 13.5px; }
  .header-meta__k { display: none; }
}

@media (max-width: 920px) {
  .header-topbar { display: none; }

  .header-main__inner { min-height: var(--header-h); }

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

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    margin-left: 0;
    padding: 14px var(--gutter) 26px;
    background: linear-gradient(180deg, #0B1F18, #12362A);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 26px 44px rgba(0, 0, 0, 0.5);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
  }

  .site-nav[data-open="true"] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav__list {
    display: block;
  }

  .site-nav__item {
    border-bottom: 1px solid var(--line-soft);
  }

  .site-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 2px;
    font-size: 17px;
    color: var(--paper);
  }

  .site-nav__link::after {
    left: auto;
    right: 2px;
    bottom: 50%;
    width: 0;
  }

  .site-nav__link[aria-current="page"] {
    color: var(--neon);
  }

  .site-nav__link[aria-current="page"]::after {
    width: 18px;
  }

  .header-cta {
    width: 100%;
    margin-top: 18px;
  }

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

@media (max-width: 560px) {
  .brand__name { font-size: 17px; }
  .brand__tag { font-size: 9px; letter-spacing: 0.14em; }
  .brand__mark { width: 30px; height: 30px; }

  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 26px;
  }

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

/* ---------- 减弱动效 ---------- */

@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;
    scroll-behavior: auto !important;
  }

  .panel:hover,
  .btn:hover {
    transform: none;
  }
}