/* 安博电竞 · 共享站点样式 /assets/site.css
   夜间赛场指挥台：暗夜蓝地面 + 指挥台蓝结构层 + 面板蓝内容层
   霓虹青 = 状态与定位；警示橙 = 转会期/季后赛节点；紫灰 = 回放层级 */

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

:root {
  --ink: #080D1C;
  --deck: #101A33;
  --panel: #17264A;
  --cyan: #28E6D2;
  --cyan-hi: #8CF8EE;
  --alert: #FF7A2F;
  --violet: #8D82A8;
  --violet-deep: #4E4663;
  --text: #F4F8FF;
  --muted: #9EB0CC;

  --hair: rgba(40, 230, 210, 0.20);
  --hair-soft: rgba(158, 176, 204, 0.14);
  --glass: rgba(23, 38, 74, 0.62);

  --shell-w: 1440px;
  --gutter: 24px;
  --edge: clamp(18px, 4vw, 56px);
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 22px;

  --f-title: "Barlow Condensed", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --f-mono: "JetBrains Mono", "IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --f-body: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background-color: var(--ink);
  background-image:
    radial-gradient(1000px 620px at 88% -12%, rgba(40, 230, 210, 0.10), transparent 62%),
    radial-gradient(760px 520px at -8% 108%, rgba(141, 130, 168, 0.12), transparent 60%),
    linear-gradient(180deg, #080D1C 0%, #0A1122 44%, #080D1C 100%);
  background-attachment: fixed;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--f-title);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--text);
}

p { margin: 0 0 1em; }
a { color: inherit; }
img, svg, video { max-width: 100%; height: auto; display: block; }
button { font: inherit; }
ul, ol { margin: 0; }

::selection {
  background: rgba(40, 230, 210, 0.28);
  color: #FFFFFF;
}

:focus-visible {
  outline: 2px solid var(--cyan-hi);
  outline-offset: 3px;
  border-radius: 4px;
}

#main-content {
  display: block;
  scroll-margin-top: 132px;
}

/* ---------- 通用文本与排版 ---------- */
.data {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 1rem;
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--cyan);
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
  flex: none;
}

.page-title {
  margin: 0 0 0.85rem;
  font-family: var(--f-title);
  font-weight: 900;
  font-size: clamp(2.1rem, 5.6vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
}

.lede {
  max-width: 62ch;
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.85;
}

.vertical-note {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  margin: 0;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.34em;
  color: var(--violet);
  text-transform: uppercase;
}

.prose {
  max-width: 70ch;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.9;
}

.prose h2,
.prose h3 {
  margin: 1.8em 0 0.55em;
  line-height: 1.2;
  color: var(--text);
}

.prose h2 { font-size: clamp(1.35rem, 2.6vw, 1.8rem); }
.prose h3 { font-size: clamp(1.1rem, 2vw, 1.35rem); }
.prose p { margin: 0 0 1.1em; }
.prose a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--cyan-hi); }
.prose strong { color: var(--text); }
.prose ul,
.prose ol { padding-left: 1.25em; margin: 0 0 1.1em; }
.prose li { margin-bottom: 0.4em; }
.prose code {
  font-family: var(--f-mono);
  font-size: 0.9em;
  color: var(--cyan-hi);
}

/* ---------- 布局 ---------- */
.shell {
  width: 100%;
  max-width: var(--shell-w);
  margin-inline: auto;
  padding-inline: var(--edge);
}

.shell--narrow { max-width: 960px; }

.grid { display: grid; gap: var(--gutter); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.split {
  display: grid;
  gap: clamp(1.25rem, 3vw, 3rem);
  align-items: start;
}

.split--4-8 { grid-template-columns: 4fr 8fr; }
.split--5-7 { grid-template-columns: 5fr 7fr; }
.split--7-5 { grid-template-columns: 7fr 5fr; }

.stack { display: flex; flex-direction: column; gap: 1rem; }

.section { padding-block: clamp(2.5rem, 6vw, 5rem); }

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: clamp(1.25rem, 3vw, 2.25rem);
}

.section-title {
  margin: 0;
  font-family: var(--f-title);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  letter-spacing: 0.01em;
}

.page-head { padding-block: clamp(1.5rem, 4vw, 3rem) 0; }

/* ---------- 面包屑 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--violet);
}

.breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.breadcrumbs a:hover {
  color: var(--cyan-hi);
  border-bottom-color: var(--cyan);
}

.breadcrumbs li:not(:last-child)::after {
  content: "›";
  margin-left: 0.5rem;
  color: var(--violet-deep);
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border: 1px solid var(--hair);
  border-radius: 999px;
  background: transparent;
  color: var(--text);
  font-family: var(--f-body);
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.18s ease, background-color 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, box-shadow 0.2s ease;
}

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

.btn--primary {
  background: linear-gradient(120deg, var(--cyan), #1FBFB8);
  border-color: transparent;
  color: #04141A;
  box-shadow: 0 12px 28px -16px rgba(40, 230, 210, 0.9);
}

.btn--primary:hover {
  background: var(--cyan-hi);
  color: #03131A;
}

.btn--ghost {
  background: rgba(23, 38, 74, 0.62);
  border-color: var(--hair);
  color: var(--text);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan-hi);
  background: rgba(40, 230, 210, 0.08);
}

.btn--sm { padding: 0.55rem 1rem; font-size: 0.85rem; }
.btn--block { width: 100%; }

/* ---------- 标签 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.62rem;
  border-radius: 6px;
  border: 1px solid rgba(40, 230, 210, 0.28);
  background: rgba(40, 230, 210, 0.10);
  color: var(--cyan);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.10em;
  text-transform: uppercase;
}

.tag--alert {
  border-color: rgba(255, 122, 47, 0.36);
  background: rgba(255, 122, 47, 0.12);
  color: var(--alert);
}

.tag--replay {
  border-color: rgba(141, 130, 168, 0.45);
  background: rgba(78, 70, 99, 0.42);
  color: #C9BEE4;
}

/* ---------- 面板与数据块 ---------- */
.panel {
  position: relative;
  padding: clamp(1rem, 2.2vw, 1.75rem);
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  background: var(--panel);
}

.panel--glass {
  background: var(--glass);
  border-color: var(--hair);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
}

.panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.85rem;
  margin-bottom: 1rem;
  border-bottom: 1px dashed var(--hair-soft);
}

.panel__title {
  margin: 0;
  font-family: var(--f-title);
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}

.stat { display: flex; flex-direction: column; gap: 0.2rem; }

.stat__value {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  line-height: 1;
  color: var(--cyan-hi);
  font-variant-numeric: tabular-nums;
}

.stat__label {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- 图片容器基础规则 ---------- */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-md);
  background: linear-gradient(160deg, #17264A 0%, #0C1428 100%);
}

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

.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 4 / 5; }

.media--cut {
  clip-path: polygon(0 0, 100% 0, 100% 86%, 88% 100%, 0 100%);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 52%, rgba(8, 13, 28, 0.78) 100%);
  box-shadow: inset 0 0 0 1px rgba(40, 230, 210, 0.16);
}

.media__caption {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.9rem;
  z-index: 1;
  margin: 0;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--muted);
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  transform: translateY(-180%);
  padding: 0.6rem 1rem;
  border-radius: 0 0 10px 0;
  background: var(--cyan);
  color: #04121A;
  font-family: var(--f-body);
  font-weight: 700;
  text-decoration: none;
  transition: transform 0.18s ease;
}

.skip-link:focus { transform: translateY(0); }
.skip-link:focus-visible { outline: 3px solid var(--cyan-hi); outline-offset: 2px; }

/* ---------- 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: rgba(8, 13, 28, 0.88);
  border-bottom: 1px solid var(--hair-soft);
  box-shadow: 0 1px 0 rgba(40, 230, 210, 0.12);
  backdrop-filter: blur(14px) saturate(130%);
  -webkit-backdrop-filter: blur(14px) saturate(130%);
}

.scroll-meter {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  overflow: hidden;
  pointer-events: none;
}

.scroll-meter__fill {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--cyan-hi));
  transform: scaleX(var(--progress, 0));
  transform-origin: left center;
  transition: transform 0.12s linear;
}

.header-rail {
  background: linear-gradient(90deg, rgba(16, 26, 51, 0.92), rgba(8, 13, 28, 0.55));
  border-bottom: 1px solid var(--hair-soft);
}

.header-rail__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding-block: 0.7rem;
  transition: padding-block 0.28s ease;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--text);
}

.brand__mark {
  position: relative;
  width: 30px;
  height: 30px;
  flex: none;
  background: linear-gradient(135deg, var(--cyan), rgba(40, 230, 210, 0.18));
  clip-path: polygon(0 0, 72% 0, 100% 28%, 100% 100%, 28% 100%, 0 72%);
}

.brand__mark::after {
  content: "";
  position: absolute;
  inset: 6px;
  background: var(--ink);
  clip-path: polygon(0 0, 72% 0, 100% 28%, 100% 100%, 28% 100%, 0 72%);
}

.brand__text {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  line-height: 1.25;
}

.brand__line {
  font-family: var(--f-title);
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.06em;
  color: var(--text);
}

.brand__sub {
  display: block;
  height: auto;
  overflow: hidden;
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  transition: opacity 0.25s ease, height 0.25s ease, transform 0.25s ease;
}

.rail-status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--muted);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.status-dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(40, 230, 210, 0.16), 0 0 12px rgba(40, 230, 210, 0.7);
  animation: status-breathe 3.6s ease-in-out infinite;
}

@keyframes status-breathe {
  0%, 100% { opacity: 0.55; transform: scale(0.86); }
  50% { opacity: 1; transform: scale(1); }
}

.site-header[data-state="compact"] .header-rail__inner { padding-block: 0.35rem; }

.site-header[data-state="compact"] .header-rail .brand__sub {
  height: 0;
  opacity: 0;
  transform: translateY(-4px);
}

.site-header[data-state="compact"] .rail-status {
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
}

.header-deck { position: relative; }

.header-deck__inner {
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: 56px;
  padding-block: 0.5rem;
}

.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: rgba(23, 38, 74, 0.62);
  color: var(--text);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

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

.nav-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 16px;
}

.nav-toggle__bars span {
  display: block;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-toggle__label {
  font-family: var(--f-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.site-nav { flex: 1 1 auto; min-width: 0; }

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__item { list-style: none; }

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  padding: 0.55rem 0.7rem;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0.7rem;
  right: 0.7rem;
  bottom: 0.28rem;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease;
}

.site-nav__link:hover {
  color: var(--text);
  background: rgba(40, 230, 210, 0.06);
}

.site-nav__link:hover::after { transform: scaleX(1); }

.site-nav__idx {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  color: var(--violet);
}

.site-nav__link[aria-current="page"] {
  color: var(--cyan-hi);
  background: rgba(40, 230, 210, 0.09);
}

.site-nav__link[aria-current="page"]::after {
  transform: scaleX(1);
  background: var(--cyan);
}

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

.header-cta { flex: none; }

/* ---------- 页脚 ---------- */
.site-footer {
  position: relative;
  margin-top: clamp(3rem, 8vw, 6rem);
  background: linear-gradient(180deg, #0B1122 0%, rgba(16, 26, 51, 0.98) 34%, #0A1020 100%);
  border-top: 1px solid var(--hair);
}

.site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.5;
}

.footer-top {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 2fr);
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

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

.footer-summary {
  max-width: 42ch;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 3vw, 2rem);
  min-width: 0;
}

.footer-col__title {
  margin: 0 0 0.9rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.footer-list {
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-list a {
  color: var(--muted);
  font-size: 0.94rem;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-list a:hover { color: var(--cyan-hi); }

.footer-contact {
  display: grid;
  gap: 0.7rem;
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.footer-contact__item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.footer-contact__key {
  min-width: 64px;
  font-family: var(--f-mono);
  font-size: 0.64rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--violet);
}

.footer-contact__value {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.7;
}

.copy-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 0.7rem;
  border: 1px solid var(--hair-soft);
  border-radius: var(--r-sm);
  background: rgba(23, 38, 74, 0.6);
  color: var(--text);
  font-family: var(--f-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.copy-chip:hover {
  border-color: var(--cyan);
  color: var(--cyan-hi);
}

.copy-chip__text { word-break: break-all; }

.copy-chip__hint {
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.copy-chip.is-copied {
  border-color: var(--cyan);
  background: rgba(40, 230, 210, 0.14);
}

.copy-chip.is-copied .copy-chip__hint { color: var(--cyan-hi); }

.footer-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1.5rem;
  padding-block: 1.1rem 1.5rem;
  border-top: 1px solid var(--hair-soft);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--violet);
}

.footer-meta p { margin: 0; }

.footer-meta__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-meta__legal a {
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-meta__legal a:hover { color: var(--cyan-hi); }

/* ---------- 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 70;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--hair);
  border-radius: 10px;
  background: rgba(16, 26, 51, 0.92);
  color: var(--muted);
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease,
    color 0.2s ease, border-color 0.2s ease;
}

.to-top[data-visible] {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.to-top:hover {
  color: var(--cyan-hi);
  border-color: var(--cyan);
}

.to-top__arrow { font-size: 0.9rem; color: var(--cyan); }
.to-top__label { font-size: 0.68rem; }

/* ---------- 移动端快捷条 ---------- */
.mobile-dock { display: none; }

/* ---------- 进入动效协议 ---------- */
.reveal-ready [data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 0.7, 0.3, 1);
}

.reveal-ready [data-reveal].is-in {
  opacity: 1;
  transform: none;
}

/* ---------- 平板 ---------- */
@media (max-width: 1180px) {
  .site-nav__link { padding-inline: 0.55rem; font-size: 0.9rem; }
  .footer-top { grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr); }
}

@media (max-width: 1024px) {
  .split--4-8,
  .split--5-7,
  .split--7-5 { grid-template-columns: minmax(0, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-top { grid-template-columns: minmax(0, 1fr); }
}

/* ---------- 移动端导航 ---------- */
@media (max-width: 960px) {
  :root { --gutter: 16px; }

  #main-content { scroll-margin-top: 112px; }

  .nav-toggle { display: inline-flex; order: -1; }

  .header-deck__inner { gap: 0.75rem; }

  .header-cta { margin-left: auto; }

  .site-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 90;
    flex: none;
    padding: 0.75rem var(--edge) 1.15rem;
    border-top: 1px solid var(--hair);
    border-bottom: 1px solid var(--hair);
    background: rgba(10, 17, 34, 0.98);
    box-shadow: 0 24px 48px -24px rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s ease;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .site-nav__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.35rem;
  }

  .site-nav__link {
    width: 100%;
    padding: 0.7rem 0.65rem;
    border-radius: 8px;
    background: rgba(23, 38, 74, 0.5);
    font-size: 0.95rem;
  }

  .site-nav__link::after { left: 0.65rem; right: 0.65rem; bottom: 0.35rem; }

  .rail-status { font-size: 0.62rem; letter-spacing: 0.08em; }

  .brand__line { font-size: 1rem; }

  body { padding-bottom: calc(62px + env(safe-area-inset-bottom, 0px)); }

  .mobile-dock {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 85;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    background: rgba(8, 13, 28, 0.95);
    border-top: 1px solid var(--hair);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }

  .mobile-dock__link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.1rem;
    padding: 0.55rem 0.3rem 0.6rem;
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 500;
    text-decoration: none;
    border-top: 2px solid transparent;
    transition: color 0.2s ease, border-color 0.2s ease;
  }

  .mobile-dock__link:hover,
  .mobile-dock__link:focus-visible {
    color: var(--cyan-hi);
    border-top-color: var(--cyan);
  }

  .mobile-dock__idx {
    font-family: var(--f-mono);
    font-size: 0.6rem;
    letter-spacing: 0.1em;
    color: var(--cyan);
  }

  .to-top { bottom: calc(76px + env(safe-area-inset-bottom, 0px)); }

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

/* ---------- 手机 ---------- */
@media (max-width: 640px) {
  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .header-rail__inner { gap: 0.75rem; }

  .rail-status { display: none; }

  .header-cta { padding: 0.5rem 0.75rem; font-size: 0.78rem; }

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

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

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

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

  .copy-chip { font-size: 0.74rem; }

  .to-top { padding: 0.5rem 0.65rem; }

  .to-top__label { display: none; }
}

/* ---------- 动效偏好 ---------- */
@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;
  }

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

  .scroll-meter__fill { transition: none; }
}

/* ---------- 打印 ---------- */
@media print {
  .site-header,
  .site-footer,
  .to-top,
  .mobile-dock,
  .skip-link { display: none !important; }

  body {
    background: #FFFFFF;
    color: #101010;
  }

  #main-content { scroll-margin-top: 0; }
}