/* ==========================================================================
   HAHA 体育 · 共享样式（/assets/site.css）
   夜间球场近单色体系：墨蓝打底，青柠绿指示，电光紫分系列，亮橙只给数字
   ========================================================================== */

/* ----------------------------- 变量 ----------------------------- */
:root {
  --ink-900: #0A1024;
  --ink-panel: #121A3A;
  --ink-line: #22305F;
  --ink-dusk: #1B1650;
  --lime: #C6FF3D;
  --violet: #7B4DFF;
  --orange: #FF8A2B;
  --text: #E8EEFF;
  --muted: #9AA6C9;
  --pale: #DFF7EA;
  --font-body: "Inter", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Roboto Mono", "Noto Sans Mono", monospace;
  --ease: cubic-bezier(.2, .7, .2, 1);
  --shell: 1240px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background-color: var(--ink-900);
  background-image:
    radial-gradient(1100px 620px at 84% -12%, rgba(123, 77, 255, .20), transparent 62%),
    radial-gradient(880px 520px at 2% 4%, rgba(198, 255, 61, .08), transparent 60%);
  background-repeat: no-repeat;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -.01em;
}

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

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

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

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

button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; padding: 0; cursor: pointer; }

address { font-style: normal; }

main { display: block; outline: none; }

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

/* ----------------------------- 排版与工具 ----------------------------- */
.mono {
  font-family: var(--font-mono);
  letter-spacing: .06em;
}

.container {
  width: min(var(--shell), calc(100% - 40px));
  margin-inline: auto;
}

.stack {
  display: grid;
  gap: clamp(56px, 9vw, 120px);
  align-content: start;
}

.grid { display: grid; gap: clamp(18px, 2.4vw, 30px); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--rail { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }

/* ----------------------------- 跳转链接 ----------------------------- */
.skip-link {
  position: absolute;
  left: 50%;
  top: -70px;
  transform: translateX(-50%);
  z-index: 200;
  padding: 10px 20px;
  background: var(--lime);
  color: #08101F;
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .04em;
  transition: top .18s var(--ease);
}
.skip-link:focus { top: 10px; }

/* ============================== 刊头 ============================== */
.masthead {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, rgba(10, 16, 36, .97), rgba(10, 16, 36, .88));
  border-bottom: 1px solid var(--ink-line);
  backdrop-filter: blur(10px);
}

.masthead::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 2px;
  background: linear-gradient(90deg, var(--violet), var(--lime) 44%, rgba(198, 255, 61, 0) 92%);
  opacity: .85;
  pointer-events: none;
}

.masthead__inner {
  position: relative;
  width: min(var(--shell), calc(100% - 32px));
  margin-inline: auto;
  padding: 12px 0 0;
}

.masthead__top {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
}

.masthead__aside {
  grid-column: 1;
  justify-self: start;
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--muted);
  max-height: 46px;
}

/* 品牌字标 */
.brand {
  grid-column: 2;
  justify-self: center;
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-style: italic;
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1;
  transition: transform .18s var(--ease);
}
.brand:hover { transform: translateY(-1px); }

.brand__mark { font-size: 26px; color: var(--text); }
.brand__word { font-size: 26px; color: var(--lime); }

.brand__tiny {
  align-self: flex-end;
  padding-bottom: 3px;
  font-family: var(--font-mono);
  font-style: normal;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: .24em;
  color: var(--muted);
}

/* 状态灯 */
.masthead__status {
  grid-column: 3;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
  white-space: nowrap;
}

.status-lamp {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(198, 255, 61, .14), 0 0 12px rgba(198, 255, 61, .65);
}

.status-text { display: inline; }

/* 移动端按钮（桌面隐藏） */
.nav-toggle {
  display: none;
  justify-self: end;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--ink-line);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--text);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}
.nav-toggle:hover { border-color: var(--lime); color: var(--lime); }

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 10px;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--lime);
  transition: transform .18s var(--ease), opacity .18s var(--ease);
}
.nav-toggle__bars::before { top: 0; }
.nav-toggle__bars::after { bottom: 0; }

.masthead[data-open="true"] .nav-toggle__bars::before { transform: translateY(4px) rotate(45deg); }
.masthead[data-open="true"] .nav-toggle__bars::after { transform: translateY(-4px) rotate(-45deg); }

/* 栏目 */
.nav { margin-top: 4px; }

.nav__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(2px, 1.6vw, 22px);
}

.nav__item { display: block; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 10px 10px 13px;
  font-size: 14.5px;
  letter-spacing: .04em;
  color: var(--muted);
  transition: color .18s var(--ease);
}
.nav__link:hover { color: var(--text); }

.nav__idx {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--violet);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 0;
  height: 3px;
  background: var(--lime);
  transform: translateX(-50%) skewX(-24deg);
  transition: width .2s var(--ease);
}
.nav__link:hover::after { width: 18px; }

.nav__link[aria-current="page"] { color: var(--text); font-weight: 700; }
.nav__link[aria-current="page"]::after { width: 26px; }

/* 阅读进度 */
.masthead__rule {
  display: block;
  position: relative;
  height: 2px;
  margin-top: 2px;
  background: rgba(34, 48, 95, .85);
  overflow: hidden;
}

.masthead__progress {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--violet), var(--lime));
  transition: transform .12s linear;
}

/* 下滚后收窄为单行（仅桌面） */
@media (min-width: 901px) {
  .masthead[data-condensed="true"] .masthead__inner {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 18px;
    padding: 6px 0;
  }
  .masthead[data-condensed="true"] .masthead__top { display: contents; }
  .masthead[data-condensed="true"] .masthead__aside { display: none; }
  .masthead[data-condensed="true"] .brand {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
  }
  .masthead[data-condensed="true"] .brand__mark,
  .masthead[data-condensed="true"] .brand__word { font-size: 20px; }
  .masthead[data-condensed="true"] .masthead__status {
    grid-column: 2;
    grid-row: 1;
    justify-self: start;
    font-size: 11px;
  }
  .masthead[data-condensed="true"] .nav {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
    margin: 0;
  }
  .masthead[data-condensed="true"] .nav__link { padding: 6px 8px; font-size: 13.5px; }
  .masthead[data-condensed="true"] .nav__link::after { bottom: 1px; }
  .masthead[data-condensed="true"] .masthead__rule {
    grid-column: 1 / -1;
    grid-row: 2;
    margin-top: 8px;
  }
}

/* 移动端：栏目折叠为下拉面板 */
@media (max-width: 900px) {
  .masthead__inner {
    width: min(var(--shell), calc(100% - 24px));
    padding-top: 8px;
  }

  .masthead__top {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
  }

  .masthead__aside { display: none; }

  .brand {
    grid-column: 1;
    justify-self: start;
  }
  .brand__mark, .brand__word { font-size: 21px; }

  .masthead__status {
    grid-column: 2;
    justify-self: end;
    font-size: 11px;
  }

  .nav-toggle {
    display: inline-flex;
    grid-column: 3;
  }

  .nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    margin: 0;
    padding: 8px 20px 18px;
    background: linear-gradient(180deg, var(--ink-panel), var(--ink-900));
    border-top: 1px solid var(--ink-line);
    border-bottom: 1px solid var(--ink-line);
    visibility: hidden;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity .18s var(--ease), transform .18s var(--ease), visibility 0s linear .18s;
  }

  .masthead[data-open="true"] .nav {
    visibility: visible;
    opacity: 1;
    transform: none;
    transition: opacity .18s var(--ease), transform .18s var(--ease);
  }

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

  .nav__link {
    justify-content: flex-start;
    width: 100%;
    padding: 14px 12px 14px 14px;
    font-size: 15px;
    border-bottom: 1px solid rgba(34, 48, 95, .7);
  }

  .nav__link::after {
    left: 0;
    top: 50%;
    bottom: auto;
    width: 3px;
    height: 0;
    transform: translateY(-50%) skewY(-24deg);
  }
  .nav__link:hover::after,
  .nav__link[aria-current="page"]::after { width: 3px; height: 22px; }
}

@media (max-width: 560px) {
  .masthead__status .status-text { display: none; }
}

/* ============================== 页脚 ============================== */
.site-footer {
  position: relative;
  margin-top: clamp(72px, 10vw, 140px);
  background: linear-gradient(180deg, var(--ink-900) 0%, var(--ink-dusk) 56%, #080D1E 100%);
  border-top: 1px solid var(--ink-line);
  overflow: hidden;
}

.site-footer::before {
  content: "";
  position: absolute;
  left: -6%;
  right: -6%;
  top: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--lime) 28%, var(--violet) 68%, transparent);
  transform: rotate(-.6deg);
  pointer-events: none;
}

.site-footer::after {
  content: "";
  position: absolute;
  left: -20%;
  right: -20%;
  bottom: -180px;
  height: 400px;
  background: radial-gradient(closest-side, rgba(198, 255, 61, .10), transparent 72%);
  pointer-events: none;
}

.footer__inner {
  position: relative;
  z-index: 1;
  width: min(var(--shell), calc(100% - 40px));
  margin-inline: auto;
  padding: clamp(40px, 6vw, 72px) 0 26px;
}

.footer__masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--ink-line);
}

.footer__brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0;
  font-style: italic;
  font-weight: 900;
  font-size: 24px;
  letter-spacing: -.02em;
}
.footer__brand-mark { color: var(--text); }
.footer__brand-word { color: var(--lime); }

.footer__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--muted);
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr .95fr 1.65fr 1fr;
  gap: clamp(20px, 3vw, 40px);
  padding: 34px 0;
}

.footer__col { min-width: 0; }

.footer__title {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--pale);
}
.footer__title::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 10px;
  background: var(--lime);
  transform: skewX(-24deg);
}

.footer__list { display: grid; gap: 10px; }

.footer__link {
  display: inline-block;
  font-size: 14.5px;
  color: var(--muted);
  transition: color .16s var(--ease), padding-left .16s var(--ease);
}
.footer__link:hover { color: var(--lime); padding-left: 6px; }

.footer__contact {
  display: grid;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.footer__contact-row { display: grid; gap: 2px; }

.footer__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--violet);
}

.footer__value {
  color: var(--text);
  word-break: break-word;
}

.footer__note {
  margin: 14px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--muted);
}

.footer__icp {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
  padding-top: 20px;
  border-top: 1px solid var(--ink-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.footer__rule-note, .footer__sig { margin: 0; }

/* ============================== 通用组件 ============================== */
/* 画板 */
.panel {
  position: relative;
  background: var(--ink-panel);
  border: 1px solid var(--ink-line);
  padding: clamp(18px, 2.4vw, 28px);
}

.panel--cut {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.panel--ghost { background: rgba(18, 26, 58, .55); }

.panel--edge::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 44px;
  background: var(--lime);
  transform: skewY(-24deg);
}

/* 章节头 */
.section-head {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 24px;
  padding-bottom: 18px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--ink-line);
}
.section-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 72px;
  height: 3px;
  background: var(--lime);
  transform: skewX(-26deg);
}

.section-head__title {
  font-size: clamp(26px, 4vw, 44px);
  font-style: italic;
  font-weight: 900;
  letter-spacing: -.025em;
}

.section-head__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  text-align: right;
}

/* 竖排注释 */
.kicker {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--muted);
  writing-mode: vertical-rl;
}

/* 斜线分隔 */
.rule-slant {
  height: 1px;
  border: 0;
  margin: clamp(28px, 4vw, 52px) 0;
  background: linear-gradient(90deg, transparent, var(--ink-line) 12%, var(--ink-line) 88%, transparent);
  transform: rotate(-1.2deg);
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: #08101F;
  background: var(--lime);
  border: 1px solid var(--lime);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: transform .16s var(--ease), background-color .16s var(--ease), color .16s var(--ease),
    border-color .16s var(--ease), filter .16s var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 10px 20px rgba(198, 255, 61, .22));
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--ink-line);
}
.btn--ghost:hover {
  color: var(--lime);
  border-color: var(--lime);
  filter: drop-shadow(0 10px 20px rgba(198, 255, 61, .14));
}

.btn--violet {
  background: transparent;
  color: #CDBBFF;
  border-color: rgba(123, 77, 255, .7);
}
.btn--violet:hover {
  background: rgba(123, 77, 255, .16);
  color: #FFFFFF;
  filter: drop-shadow(0 10px 20px rgba(123, 77, 255, .24));
}

/* 标签 */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: #C9B6FF;
  background: rgba(123, 77, 255, .18);
  border: 1px solid rgba(123, 77, 255, .5);
}

.tag--lime {
  color: var(--lime);
  background: rgba(198, 255, 61, .12);
  border-color: rgba(198, 255, 61, .42);
}

.tag--orange {
  color: var(--orange);
  background: rgba(255, 138, 43, .12);
  border-color: rgba(255, 138, 43, .45);
}

/* 数据条 */
.data-bar { display: grid; gap: 8px; }

.data-bar__label {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--muted);
}

.data-bar__value {
  font-family: var(--font-mono);
  color: var(--orange);
}

.data-bar__track {
  height: 8px;
  background: rgba(34, 48, 95, .75);
  overflow: hidden;
}

.data-bar__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(var(--value, 0));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--violet), var(--lime));
  transition: transform .6s var(--ease);
}

/* 图片容器 */
.media-frame {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--ink-dusk), var(--ink-900));
  border: 1px solid var(--ink-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.media-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 42%, rgba(198, 255, 61, .12));
  pointer-events: none;
}
.media-frame--16x9 { aspect-ratio: 16 / 9; }
.media-frame--4x3 { aspect-ratio: 4 / 3; }
.media-frame--21x9 { aspect-ratio: 21 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }

.media-frame__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

/* 面包屑 */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}
.breadcrumb a { transition: color .16s var(--ease); }
.breadcrumb a:hover { color: var(--lime); }
.breadcrumb__sep { color: var(--ink-line); }

/* 可展开内容组 */
.disclosure {
  border: 1px solid var(--ink-line);
  background: rgba(18, 26, 58, .6);
}
.disclosure + .disclosure { margin-top: -1px; }

.disclosure__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 16px 20px;
  text-align: left;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  transition: background-color .18s var(--ease), color .18s var(--ease);
}
.disclosure__trigger:hover { background: rgba(123, 77, 255, .12); }
.disclosure.is-open .disclosure__trigger { color: var(--lime); }

.disclosure__mark {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}
.disclosure__mark::before,
.disclosure__mark::after {
  content: "";
  position: absolute;
  background: var(--lime);
}
.disclosure__mark::before { left: 0; right: 0; top: 6px; height: 2px; }
.disclosure__mark::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 2px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}
.disclosure.is-open .disclosure__mark::after { transform: scaleY(0); opacity: 0; }

.disclosure__panel {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows .22s var(--ease), visibility 0s linear .22s;
}
.disclosure.is-open .disclosure__panel {
  grid-template-rows: 1fr;
  visibility: visible;
  transition: grid-template-rows .22s var(--ease);
}

.disclosure__content { overflow: hidden; }

.disclosure__body {
  padding: 0 20px 20px;
  color: var(--muted);
  font-size: 15px;
}

/* 进入视口显现 */
html.has-js [data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s var(--ease), transform .5s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
html.has-js [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ----------------------------- 响应式 ----------------------------- */
@media (max-width: 1080px) {
  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 900px) {
  .container { width: min(var(--shell), calc(100% - 32px)); }
  .grid--2, .grid--3, .grid--rail { grid-template-columns: minmax(0, 1fr); }
  .section-head { margin-bottom: 24px; }
  .section-head__meta { text-align: left; }
}

@media (max-width: 640px) {
  body { font-size: 15.5px; }
  .container { width: min(var(--shell), calc(100% - 28px)); }
  .footer__inner { width: min(var(--shell), calc(100% - 28px)); }
  .footer__grid { grid-template-columns: minmax(0, 1fr); padding: 26px 0; }
  .footer__masthead { flex-direction: column; align-items: flex-start; }
  .footer__bottom { justify-content: flex-start; }
  .panel--cut { clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%); }
}

/* ----------------------------- 降低动效 ----------------------------- */
@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;
  }
  html.has-js [data-reveal] { opacity: 1; transform: none; }
  .masthead__progress { transition: none; }
}