/* ==========================================================================
   必一赛场 BSPORTS — 共享样式 /assets/site.css
   ========================================================================== */

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

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

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

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

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

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

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

button { border: 0; background: none; cursor: pointer; }

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

/* 2. 设计变量
   ========================================================================== */
:root {
  /* 色彩 */
  --c-night: #06100C;
  --c-pitch: #0B2E23;
  --c-board: #16503A;
  --c-grass: #9AD36B;
  --c-red: #D93A2B;
  --c-yellow: #F3C63F;
  --c-replay: #24608C;
  --c-mist: #F1F5EC;
  --c-moss: #9DAF9F;
  --c-paper: #E9E3D5;

  --ink-1: var(--c-mist);
  --ink-2: #C6D6C5;
  --ink-3: var(--c-moss);
  --ink-dark: #06100C;

  /* 线条 */
  --line-soft: rgba(154, 211, 107, .18);
  --line-mid: rgba(154, 211, 107, .34);
  --line-hard: rgba(154, 211, 107, .62);

  /* 材质 */
  --glass-deep: rgba(6, 16, 12, .78);
  --glass-pod: rgba(11, 46, 35, .92);

  /* 字体 */
  --font-display: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-num: 'IBM Plex Mono', 'Roboto Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* 尺寸 */
  --shell: 1440px;
  --gutter: clamp(16px, 4vw, 40px);
  --cut-sm: 10px;
  --cut-md: 20px;
  --cut-lg: 32px;

  /* 动效 */
  --ease: cubic-bezier(.22, 1, .36, 1);
  --dur-fast: 150ms;
  --dur-mid: 240ms;

  /* 层级 */
  --z-header: 100;
  --z-progress: 120;
  --z-skip: 200;
}

/* 3. 基础排版
   ========================================================================== */
body {
  min-height: 100vh;
  background-color: var(--c-night);
  color: var(--ink-2);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

::selection { background: var(--c-yellow); color: var(--c-night); }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink-1);
}

p { max-width: 70ch; }

strong { color: var(--c-mist); font-weight: 700; }

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

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

/* 4. 布局骨架
   ========================================================================== */
.site-main {
  display: block;
  padding-top: 96px;
}

@media (max-width: 640px) {
  .site-main { padding-top: 86px; }
}

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

.section { padding-block: clamp(44px, 7vw, 96px); }

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 14px 30px;
  margin-bottom: clamp(20px, 3vw, 38px);
}

.grid { display: grid; gap: clamp(16px, 2.2vw, 28px); }

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: clamp(16px, 2vw, 24px);
}

@media (max-width: 900px) {
  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

@media (max-width: 600px) {
  .grid-12 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.rule {
  height: 1px;
  border: 0;
  background: linear-gradient(90deg, var(--line-hard), rgba(154, 211, 107, 0));
}

/* 5. 排版工具
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--c-grass);
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
  flex: none;
}

.display-title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 68px);
  line-height: 1.04;
  letter-spacing: -.035em;
  color: var(--ink-1);
}

.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  letter-spacing: .02em;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ink-3);
  background: rgba(11, 46, 35, .55);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
}

/* 6. 按钮
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 24px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .02em;
  line-height: 1.2;
  text-align: center;
  border: 1px solid transparent;
  border-radius: 12px 2px 12px 2px;
  transition:
    background-color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    transform var(--dur-fast) var(--ease),
    min-height var(--dur-mid) var(--ease),
    padding var(--dur-mid) var(--ease);
}

.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn--primary {
  background: var(--c-yellow);
  color: #0A1A12;
  border-color: rgba(243, 198, 63, .8);
}

.btn--primary:hover {
  background: #FFD75A;
  border-color: #FFD75A;
}

.btn--ghost {
  background: rgba(11, 46, 35, .5);
  color: var(--c-mist);
  border-color: var(--line-mid);
}

.btn--ghost:hover {
  border-color: var(--line-hard);
  background: rgba(22, 80, 58, .6);
}

.btn--replay {
  background: rgba(36, 96, 140, .28);
  color: #9FCBEB;
  border-color: rgba(36, 96, 140, .8);
}

.btn--replay:hover {
  background: rgba(36, 96, 140, .5);
  color: var(--c-mist);
}

/* 7. 标签与数据图例
   ========================================================================== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  line-height: 1.6;
  border: 1px solid transparent;
  border-radius: 5px 1px 5px 1px;
}

.tag--red {
  color: #F07A6D;
  background: rgba(217, 58, 43, .14);
  border-color: rgba(217, 58, 43, .55);
}

.tag--yellow {
  color: var(--c-yellow);
  background: rgba(243, 198, 63, .12);
  border-color: rgba(243, 198, 63, .5);
}

.tag--grass {
  color: var(--c-grass);
  background: rgba(154, 211, 107, .1);
  border-color: var(--line-mid);
}

.tag--replay {
  color: #8FC3E8;
  background: rgba(36, 96, 140, .22);
  border-color: rgba(36, 96, 140, .7);
}

.data-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-3);
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 3px 1px 3px 1px;
  background: var(--c-grass);
}

.legend-dot--red { background: var(--c-red); }
.legend-dot--yellow { background: var(--c-yellow); }
.legend-dot--replay { background: var(--c-replay); }

/* 8. 面板与图片容器
   ========================================================================== */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 30px);
  background: linear-gradient(158deg, rgba(22, 80, 58, .58) 0%, rgba(6, 16, 12, .9) 78%);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut-md) 4px var(--cut-md) 4px;
  transition: border-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.panel:hover {
  border-color: var(--line-mid);
}

.panel--paper {
  background: var(--c-paper);
  border-color: rgba(11, 46, 35, .22);
  color: #1B2A22;
}

.panel--paper h2,
.panel--paper h3,
.panel--paper h4 { color: #06100C; }

.img-frame {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background:
    radial-gradient(120% 100% at 20% 0%, rgba(22, 80, 58, .95) 0%, rgba(6, 16, 12, .98) 70%),
    var(--c-pitch);
  border: 1px solid var(--line-soft);
  border-radius: var(--cut-md) 4px var(--cut-md) 4px;
}

.img-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.92) contrast(1.05);
}

.img-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .5;
  background-image:
    repeating-linear-gradient(0deg, rgba(154, 211, 107, .1) 0 1px, transparent 1px 22px),
    repeating-linear-gradient(90deg, rgba(154, 211, 107, .1) 0 1px, transparent 1px 22px);
}

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

.img-caption {
  margin-top: 10px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--ink-3);
}

/* 9. 面包屑
   ========================================================================== */
.breadcrumbs { margin-bottom: clamp(16px, 2.4vw, 28px); }

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-3);
}

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

.breadcrumb-list li + li::before {
  content: "/";
  margin-inline: 10px;
  color: var(--line-mid);
}

.breadcrumb-list a { transition: color var(--dur-fast) var(--ease); }
.breadcrumb-list a:hover { color: var(--c-grass); }
.breadcrumb-list [aria-current="page"] { color: var(--c-mist); }

/* 10. 站点头部
   ========================================================================== */
.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: var(--z-skip);
  padding: 10px 20px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 800;
  color: var(--c-night);
  background: var(--c-yellow);
  border-radius: 8px 2px 8px 2px;
  transform: translateY(-180%);
  transition: transform var(--dur-mid) var(--ease);
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  padding: 14px var(--gutter) 0;
  pointer-events: none;
}

.header-dock {
  position: relative;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
}

/* 品牌舱 */
.brand-pod {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  padding: 7px 18px 7px 9px;
  background: var(--glass-pod);
  border: 1px solid var(--line-soft);
  border-radius: 24px 4px 24px 4px;
  backdrop-filter: blur(14px) saturate(1.1);
  -webkit-backdrop-filter: blur(14px) saturate(1.1);
  transition: padding var(--dur-mid) var(--ease), border-color var(--dur-fast) var(--ease);
}

.brand-pod:hover { border-color: var(--line-mid); }

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
}

.brand-mark {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  font-family: var(--font-num);
  font-size: 17px;
  font-weight: 700;
  line-height: 1;
  color: #06100C;
  background: linear-gradient(150deg, var(--c-grass) 0%, #4E8A3C 100%);
  border-radius: 10px 2px 10px 2px;
  transition: width var(--dur-mid) var(--ease), height var(--dur-mid) var(--ease), font-size var(--dur-mid) var(--ease);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 900;
  letter-spacing: .06em;
  color: var(--c-mist);
}

.brand-latin {
  font-family: var(--font-num);
  font-size: 9.5px;
  font-weight: 500;
  letter-spacing: .3em;
  color: var(--ink-3);
}

/* 导航胶囊 */
.nav-pod {
  display: flex;
  align-items: center;
  margin-inline: auto;
  padding: 5px;
  background: var(--glass-deep);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 16px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .01em;
  white-space: nowrap;
  color: var(--ink-3);
  border-radius: 999px;
  transition:
    color var(--dur-fast) var(--ease),
    background-color var(--dur-fast) var(--ease),
    height var(--dur-mid) var(--ease);
}

.nav-link:hover {
  color: var(--c-mist);
  background: rgba(22, 80, 58, .72);
}

.nav-link[aria-current="page"] {
  color: #06100C;
  background: var(--c-grass);
  font-weight: 800;
}

.nav-link:focus-visible {
  outline-color: var(--c-yellow);
  outline-offset: 2px;
}

/* 右侧行动区 */
.header-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.status-chip {
  padding: 8px 14px;
  font-family: var(--font-num);
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .16em;
  white-space: nowrap;
  color: var(--ink-3);
  border: 1px dashed var(--line-mid);
  border-radius: 7px 2px 7px 2px;
}

/* 汉堡按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  min-height: 46px;
  padding: 0 16px;
  color: var(--c-mist);
  background: var(--glass-pod);
  border: 1px solid var(--line-mid);
  border-radius: 14px 3px 14px 3px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}

.nav-toggle:hover { border-color: var(--line-hard); color: var(--c-grass); }

.nav-toggle-icon {
  display: grid;
  gap: 4px;
  width: 16px;
}

.nav-toggle-bar {
  display: block;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform var(--dur-mid) var(--ease), opacity var(--dur-fast) var(--ease);
}

.nav-toggle-label {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
}

.site-header[data-open] .nav-toggle {
  color: var(--c-grass);
  border-color: var(--line-hard);
}

.site-header[data-open] .nav-toggle-bar:nth-child(1) {
  transform: translateY(3px) rotate(45deg);
}

.site-header[data-open] .nav-toggle-bar:nth-child(2) {
  transform: translateY(-3px) rotate(-45deg);
}

/* 滚动收窄态 */
.site-header.is-scrolled .brand-pod { padding: 4px 14px 4px 6px; }
.site-header.is-scrolled .brand-mark { width: 30px; height: 30px; font-size: 15px; }
.site-header.is-scrolled .nav-link { height: 38px; }
.site-header.is-scrolled .header-actions .btn { min-height: 40px; padding: 0 18px; }

/* 阅读进度 */
.scroll-progress {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-progress);
  height: 3px;
  pointer-events: none;
  background: linear-gradient(90deg, var(--c-grass) 0%, var(--c-yellow) 68%, var(--c-red) 100%);
  transform: scaleX(var(--progress, 0));
  transform-origin: 0 50%;
  transition: transform 90ms linear;
}

/* 11. 站点页脚
   ========================================================================== */
.site-footer {
  position: relative;
  margin-top: clamp(56px, 9vw, 116px);
  color: var(--ink-2);
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(22, 80, 58, .55) 0%, rgba(6, 16, 12, 0) 62%),
    linear-gradient(180deg, #06100C 0%, #08201A 55%, #0B2E23 100%);
  border-top: 1px solid var(--line-soft);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .6;
  background-image: repeating-linear-gradient(
    115deg,
    rgba(154, 211, 107, .055) 0 1px,
    rgba(0, 0, 0, 0) 1px 26px
  );
}

.footer-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--shell);
  margin-inline: auto;
  padding: clamp(40px, 6vw, 76px) var(--gutter) 26px;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1.7fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 64px);
  padding-bottom: clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line-soft);
}

.footer-brand-col { min-width: 0; }

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin-bottom: 16px;
}

.footer-summary {
  max-width: 34ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
}

.footer-meta {
  margin-top: 14px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: .2em;
  color: var(--ink-3);
}

.footer-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 40px);
}

.footer-col { min-width: 0; }

.footer-col-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 15px;
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-grass);
}

.footer-col-title::after {
  content: "";
  flex: 1 1 auto;
  height: 1px;
  background: var(--line-soft);
}

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

.footer-link {
  position: relative;
  display: inline-block;
  font-size: 13.5px;
  color: var(--ink-2);
  transition: color var(--dur-fast) var(--ease);
}

.footer-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 1px;
  background: var(--c-grass);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--dur-mid) var(--ease);
}

.footer-link:hover { color: var(--c-mist); }
.footer-link:hover::after { transform: scaleX(1); }

.footer-contact { min-width: 0; }

.contact-list { display: grid; gap: 10px; }

.contact-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 8px;
  align-items: start;
}

.contact-label {
  padding-top: 2px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--ink-3);
}

.contact-value {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-1);
  overflow-wrap: anywhere;
}

.contact-note {
  max-width: 34ch;
  margin-top: 16px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--ink-3);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 28px;
  padding-top: clamp(18px, 2.4vw, 26px);
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--ink-3);
}

.footer-copyright { color: var(--ink-3); }
.footer-dot { margin-inline: 6px; opacity: .5; }
.footer-icp { color: var(--ink-3); }

.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin-left: auto;
}

.footer-legal-links .footer-link { font-size: 11.5px; }

/* 12. 入场与显现
   ========================================================================== */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 520ms var(--ease), transform 520ms var(--ease);
}

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

/* 13. 响应式：头部与页脚
   ========================================================================== */
@media (max-width: 1220px) {
  .status-chip { display: none; }
}

@media (max-width: 1000px) {
  .nav-toggle { display: inline-flex; }

  .header-actions .btn { display: none; }

  .nav-pod {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    margin-inline: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    border-radius: 22px 6px 22px 6px;
    background: rgba(8, 28, 21, .97);
    border-color: var(--line-mid);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition:
      opacity var(--dur-mid) var(--ease),
      transform var(--dur-mid) var(--ease),
      visibility var(--dur-mid) var(--ease);
    max-height: calc(100vh - 130px);
    overflow-y: auto;
  }

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

  .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
  }

  .nav-link {
    height: 50px;
    padding: 0 16px;
    border-radius: 12px 3px 12px 3px;
    font-size: 15px;
    justify-content: space-between;
  }

  .site-header.is-scrolled .nav-link { height: 50px; }
}

@media (max-width: 880px) {
  .footer-top {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .footer-legal-links { margin-left: 0; width: 100%; }
}

@media (max-width: 660px) {
  .footer-top { grid-template-columns: minmax(0, 1fr); }
  .footer-nav { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .brand-latin { display: none; }
  .brand-name { font-size: 14px; }
  .brand-mark { width: 32px; height: 32px; font-size: 15px; }
}

@media (max-width: 440px) {
  .footer-nav { grid-template-columns: minmax(0, 1fr); }
  .contact-row { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .contact-label { padding-top: 0; }
}

/* 14. 偏好减少动态
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    transition-delay: 0ms !important;
  }

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

  .btn:hover,
  .skip-link,
  .footer-link::after {
    transform: none;
  }

  .scroll-progress { transition: none; }
}