/* ============================================================
   亚新体育入口 · /assets/site.css
   共享外壳样式：夜场球场 × 实时数据舱
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: clamp(92px, 13vh, 132px);
}

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

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

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

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

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

hr { border: 0; }

[hidden] { display: none !important; }

/* ---------- 2. 设计令牌 ---------- */
:root {
  --night: #071A2B;
  --night-deep: #04121D;
  --ink-green: #0B2E24;
  --stand: #0F3D2E;
  --turf: #9BFF57;
  --turf-dim: rgba(155, 255, 87, .14);
  --signal: #FF7A1A;
  --silver: #C9D2D4;
  --rock: #6F7C78;
  --cream: #F4F0E6;
  --clay: #B86A4B;
  --cyan: #4ED6C8;

  --line: rgba(201, 210, 212, .16);
  --line-strong: rgba(201, 210, 212, .34);

  --font-display: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SFMono-Regular", "SF Mono", Menlo, Consolas, "Roboto Mono", "PingFang SC", monospace;
  --font-serif: Georgia, "Songti SC", "Noto Serif SC", "Times New Roman", serif;

  --shell: 1264px;
  --gutter: clamp(1.05rem, 4vw, 3rem);
  --r-sm: 10px;
  --r-md: 18px;
  --r-lg: 28px;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --dur: .2s;
}

/* ---------- 3. 基础排版 ---------- */
body {
  margin: 0;
  background: var(--night);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: clamp(1rem, .955rem + .18vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.78;
  letter-spacing: .006em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

#main-content { display: block; }

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

p { text-wrap: pretty; }

::selection {
  background: var(--turf);
  color: #062314;
}

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

/* ---------- 4. 容器与工具 ---------- */
.shell {
  width: min(var(--shell), calc(100% - (2 * var(--gutter))));
  margin-inline: auto;
}

.section { padding-block: clamp(2.75rem, 7vw, 6rem); }

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

.section--stand {
  background:
    linear-gradient(168deg, var(--stand) 0%, var(--ink-green) 46%, var(--night) 100%);
  color: var(--cream);
}

.section--cream {
  --fg: #12211A;
  --muted: #56655E;
  background: var(--cream);
  color: var(--fg);
}

.section--cream h1,
.section--cream h2,
.section--cream h3 { color: var(--fg); }

.grid {
  display: grid;
  gap: clamp(1rem, 2.4vw, 2rem);
}

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

.divider {
  height: 1px;
  border: 0;
  margin-block: clamp(1.5rem, 4vw, 3rem);
  background: linear-gradient(90deg, var(--turf), var(--signal) 32%, transparent 82%);
  opacity: .55;
}

/* ---------- 5. 文字层级 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .18em;
  line-height: 1.4;
  color: var(--turf);
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: currentColor;
  flex: 0 0 auto;
}

.section--cream .eyebrow { color: var(--clay); }

.display {
  font-size: clamp(2.25rem, 1.4rem + 4.6vw, 5.25rem);
  line-height: 1.02;
  letter-spacing: -.035em;
}

.h2 {
  font-size: clamp(1.7rem, 1.2rem + 2.1vw, 2.75rem);
  line-height: 1.1;
  letter-spacing: -.028em;
}

.h3 {
  font-size: clamp(1.15rem, 1rem + .7vw, 1.5rem);
  line-height: 1.24;
  letter-spacing: -.018em;
}

.lede {
  font-size: clamp(1.02rem, .97rem + .35vw, 1.24rem);
  line-height: 1.72;
  color: var(--silver);
  max-width: 62ch;
}

.section--cream .lede { color: var(--muted); }

/* ---------- 6. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .45rem;
  min-height: 44px;
  padding: .6rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .05em;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition:
    background-color var(--dur) var(--ease),
    color var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease),
    box-shadow var(--dur) var(--ease);
}

.btn--sm {
  min-height: 38px;
  padding: .45rem .9rem;
  font-size: .74rem;
}

.btn--primary {
  background: var(--turf);
  color: #062314;
  box-shadow: 0 6px 0 -3px rgba(155, 255, 87, .34);
}

.btn--primary:hover {
  background: #B4FF7C;
  transform: translateY(-1px);
  box-shadow: 0 8px 0 -3px rgba(155, 255, 87, .45);
}

.btn--primary:active { transform: translateY(0); }

.btn--line {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--cream);
}

.btn--line:hover {
  border-color: var(--turf);
  color: var(--turf);
}

.btn--ghost {
  background: rgba(201, 210, 212, .08);
  border-color: transparent;
  color: var(--silver);
}

.btn--ghost:hover {
  background: rgba(201, 210, 212, .16);
  color: var(--cream);
}

/* ---------- 7. 跳转链接 ---------- */
.skip-link {
  position: fixed;
  top: -120px;
  left: 1.1rem;
  z-index: 200;
  padding: .72rem 1.15rem;
  border-radius: 0 0 var(--r-sm) var(--r-sm);
  background: var(--turf);
  color: #062314;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .04em;
  transition: top var(--dur) var(--ease);
}

.skip-link:focus {
  top: 0;
}

/* ---------- 8. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: linear-gradient(180deg, #071A2B 0%, #082132 100%);
  border-bottom: 1px solid var(--line);
  isolation: isolate;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: min(260px, 46%);
  height: 2px;
  background: linear-gradient(90deg, var(--turf), var(--signal));
  pointer-events: none;
}

/* 顶部信号条 */
.header-rail {
  background: rgba(155, 255, 87, .055);
  border-bottom: 1px solid rgba(201, 210, 212, .1);
}

.header-rail__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: .42rem;
}

.rail-tag {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--turf);
  white-space: nowrap;
}

.rail-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 10px rgba(155, 255, 87, .85);
  animation: railPulse 2.8s var(--ease) infinite;
}

.rail-meta {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .14em;
  color: var(--rock);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

@keyframes railPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .42; transform: scale(.76); }
}

/* 主行：品牌 ←→ 栏目 */
.header-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(1rem, 2.6vw, 2.25rem);
  padding-block: .82rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  flex: 0 0 auto;
  min-width: 0;
  color: var(--cream);
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  background: linear-gradient(152deg, var(--turf) 0%, #63CF26 100%);
  color: #06231A;
  font-family: var(--font-mono);
  font-size: .84rem;
  font-weight: 700;
  letter-spacing: -.02em;
  clip-path: polygon(0 0, 100% 0, 100% 70%, 72% 100%, 0 100%);
  transition: transform var(--dur) var(--ease);
}

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

.brand__text { min-width: 0; }

.brand__name {
  display: block;
  font-family: var(--font-display);
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: -.012em;
  line-height: 1.2;
  color: var(--cream);
}

.brand__note {
  display: block;
  margin-top: .16rem;
  font-family: var(--font-mono);
  font-size: .645rem;
  letter-spacing: .09em;
  line-height: 1.45;
  color: var(--rock);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 移动端开关 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: .5rem;
  padding: .5rem .72rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .12em;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

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

.nav-toggle__bars span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--turf);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle[data-open="true"] .nav-toggle__bars span:first-child {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[data-open="true"] .nav-toggle__bars span:last-child {
  transform: translateY(-6px) rotate(-45deg);
}

/* 主导航 */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(.6rem, 1.6vw, 1.6rem);
  margin-left: auto;
  min-width: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(.5rem, 1.25vw, 1.35rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: .38rem .1rem;
  font-size: .82rem;
  font-weight: 600;
  letter-spacing: .005em;
  line-height: 1.3;
  color: var(--silver);
  white-space: nowrap;
  transition: color var(--dur) var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  background: var(--turf);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.site-nav__link:hover,
.site-nav__link:focus-visible { color: var(--turf); }

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

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

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

.site-nav__cta {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-left: clamp(.5rem, 1.2vw, 1.1rem);
  margin-left: .2rem;
  border-left: 1px solid var(--line);
}

/* 移动端底部常驻条 */
.mobile-dock { display: none; }

.mobile-dock__link {
  flex: 1 1 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: .4rem .6rem;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--cream);
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.mobile-dock__link--primary {
  background: var(--turf);
  border-color: transparent;
  color: #062314;
}

/* ---------- 9. 页脚 ---------- */
.site-footer {
  position: relative;
  overflow: hidden;
  margin-top: clamp(3rem, 8vw, 7rem);
  padding-top: clamp(3rem, 7vw, 5rem);
  padding-bottom: clamp(1.4rem, 3vw, 2rem);
  background:
    radial-gradient(120% 88% at 10% -6%, rgba(15, 61, 46, .96) 0%, rgba(7, 26, 43, 1) 58%);
  color: var(--silver);
  border-top: 1px solid var(--line);
}

.footer-slash {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: linear-gradient(100deg, rgba(155, 255, 87, .1), transparent 46%);
  clip-path: polygon(0 0, 100% 0, 100% 54%, 0 100%);
  pointer-events: none;
}

.footer-shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1.75fr);
  gap: clamp(2rem, 5vw, 4.25rem);
  align-items: start;
}

.footer-brand__link {
  display: inline-block;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 1.2rem + 1.9vw, 2.65rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.06;
  color: var(--cream);
  transition: color var(--dur) var(--ease);
}

.footer-brand__link:hover { color: var(--turf); }

.footer-tagline {
  margin-top: .75rem;
  max-width: 22ch;
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, .95rem + .55vw, 1.32rem);
  line-height: 1.55;
  color: var(--turf);
}

.footer-pitch {
  margin-top: .7rem;
  max-width: 30ch;
  font-size: .9rem;
  line-height: 1.72;
  color: var(--rock);
}

.footer-quick {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.4rem;
}

.footer-cols {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.4rem, 3vw, 2.6rem);
}

.footer-col__title {
  margin: 0 0 .95rem;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .18em;
  line-height: 1.4;
  color: var(--rock);
}

.footer-col ul {
  display: grid;
  gap: .52rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-col a {
  display: inline-block;
  font-size: .9rem;
  line-height: 1.55;
  color: var(--silver);
  transition: color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.footer-col a:hover {
  color: var(--turf);
  transform: translateX(3px);
}

.footer-col a[aria-current="page"] { color: var(--turf); }

.footer-contact li {
  font-size: .855rem;
  line-height: 1.68;
  color: var(--silver);
  word-break: break-word;
}

.footer-contact span {
  display: block;
  margin-bottom: .06rem;
  font-family: var(--font-mono);
  font-size: .655rem;
  letter-spacing: .13em;
  color: var(--rock);
}

.footer-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .6rem 1.4rem;
  margin-top: clamp(2rem, 4.5vw, 3.2rem);
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .05em;
  color: var(--rock);
}

.footer-base__icp { color: var(--silver); }

.footer-base__note { color: var(--rock); }

/* ---------- 10. 面包屑 ---------- */
.breadcrumb { margin-bottom: clamp(1.2rem, 3vw, 2rem); }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--rock);
}

.breadcrumb__list li {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}

.breadcrumb__list li::after {
  content: "/";
  color: rgba(201, 210, 212, .28);
}

.breadcrumb__list li:last-child::after { content: ""; }

.breadcrumb a { color: var(--silver); transition: color var(--dur) var(--ease); }
.breadcrumb a:hover { color: var(--turf); }
.breadcrumb [aria-current="page"] { color: var(--turf); }

.section--cream .breadcrumb__list { color: var(--muted); }
.section--cream .breadcrumb a { color: #45544C; }
.section--cream .breadcrumb a:hover { color: var(--clay); }

/* ---------- 11. 标签 / 卡片 ---------- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .22rem .62rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .09em;
  line-height: 1.5;
  color: var(--silver);
}

.tag--live {
  border-color: rgba(255, 122, 26, .48);
  background: rgba(255, 122, 26, .12);
  color: var(--signal);
}

.tag--sync {
  border-color: rgba(78, 214, 200, .42);
  background: rgba(78, 214, 200, .1);
  color: var(--cyan);
}

.card {
  position: relative;
  padding: clamp(1.1rem, 2.4vw, 1.7rem);
  border: 1px solid var(--line);
  border-radius: var(--r-md) var(--r-md) var(--r-sm) var(--r-md);
  background: linear-gradient(158deg, rgba(15, 61, 46, .9), rgba(7, 26, 43, .96));
  color: var(--silver);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.card:hover {
  border-color: rgba(155, 255, 87, .38);
  transform: translateY(-2px);
}

.card__body { margin-top: .6rem; font-size: .94rem; line-height: 1.72; }

.card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem .9rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--rock);
}

/* ---------- 12. 图片容器基础规则 ---------- */
.media {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--r-md) var(--r-md) 6px var(--r-md);
  background:
    linear-gradient(142deg, rgba(15, 61, 46, .95) 0%, rgba(7, 26, 43, .98) 62%, rgba(11, 46, 36, .95) 100%);
}

.media::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(155, 255, 87, .06) 0 2px, transparent 2px 10px);
  pointer-events: none;
}

.media__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: relative;
  z-index: 1;
}

.media--field { aspect-ratio: 16 / 10; }
.media--wide { aspect-ratio: 21 / 9; }
.media--tall { aspect-ratio: 3 / 4; }
.media--square { aspect-ratio: 1 / 1; }

.media__caption {
  position: relative;
  z-index: 2;
  padding: .8rem 1rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .07em;
  line-height: 1.6;
  color: var(--rock);
  border-top: 1px solid var(--line);
}

/* ---------- 13. 标签页（可访问） ---------- */
.tabs { display: block; }

.tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  padding: .34rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(11, 46, 36, .68);
  width: fit-content;
  max-width: 100%;
}

.tabs__tab {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  padding: .5rem .95rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .06em;
  line-height: 1.4;
  color: var(--silver);
  cursor: pointer;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.tabs__tab:hover { color: var(--turf); }

.tabs__tab[aria-selected="true"] {
  background: var(--turf);
  color: #062314;
}

.tabs__tab:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.tabs__panel {
  margin-top: 1.25rem;
  animation: tabIn .22s var(--ease) both;
}

@keyframes tabIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.section--cream .tabs__list {
  background: rgba(18, 33, 26, .06);
  border-color: rgba(18, 33, 26, .16);
}

.section--cream .tabs__tab { color: #45544C; }
.section--cream .tabs__tab[aria-selected="true"] {
  background: var(--ink-green);
  color: var(--cream);
}

/* ---------- 14. 长文阅读区 ---------- */
.prose {
  max-width: 68ch;
  color: var(--silver);
  line-height: 1.82;
}

.prose > * + * { margin-top: 1.05em; }

.prose h2 {
  margin-top: 1.9em;
  font-size: clamp(1.35rem, 1.1rem + .9vw, 1.85rem);
  letter-spacing: -.022em;
  color: var(--cream);
}

.prose h3 {
  margin-top: 1.55em;
  font-size: clamp(1.1rem, 1rem + .5vw, 1.28rem);
  color: var(--cream);
}

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

.prose a:hover { color: #C4FF9A; }

.prose ul,
.prose ol {
  padding-left: 1.25rem;
  display: grid;
  gap: .45rem;
}

.prose li::marker { color: var(--signal); }

.prose blockquote {
  padding: .2rem 0 .2rem 1.15rem;
  border-left: 3px solid var(--clay);
  font-family: var(--font-serif);
  font-size: 1.06rem;
  color: var(--cream);
}

.section--cream .prose { color: #2C3A33; }
.section--cream .prose h2,
.section--cream .prose h3 { color: #12211A; }
.section--cream .prose a { color: #1F6B4B; }
.section--cream .prose a:hover { color: var(--clay); }
.section--cream .prose blockquote { color: #12211A; }

/* ---------- 15. 响应式 ---------- */
@media (max-width: 1080px) {
  .footer-shell {
    grid-template-columns: minmax(0, 1fr);
    gap: clamp(1.8rem, 5vw, 3rem);
  }
}

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

  .header-main {
    flex-wrap: wrap;
    row-gap: 0;
  }

  .site-nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: .9rem;
    margin-left: 0;
    margin-top: .9rem;
    padding: .7rem .8rem 1rem;
    border: 1px solid var(--line);
    border-radius: var(--r-md) var(--r-md) var(--r-sm) var(--r-md);
    background: linear-gradient(180deg, rgba(11, 46, 36, .98), rgba(7, 26, 43, .99));
  }

  .nav-toggle[data-open="true"] + .site-nav { display: flex; }

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

  .site-nav__list > li { width: 100%; }

  .site-nav__link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: .72rem .55rem;
    font-size: .94rem;
    white-space: normal;
    border-bottom: 1px solid rgba(201, 210, 212, .1);
    border-radius: 6px;
  }

  .site-nav__link::after { display: none; }

  .site-nav__link[aria-current="page"] {
    background: rgba(255, 122, 26, .1);
    box-shadow: inset 3px 0 0 var(--signal);
    padding-left: .8rem;
  }

  .site-nav__cta {
    flex-direction: column;
    align-items: stretch;
    gap: .5rem;
    margin: 0;
    padding: .35rem 0 0;
    border-left: 0;
  }

  .site-nav__cta .btn { width: 100%; }

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

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

@media (max-width: 720px) {
  html { scroll-padding-top: 84px; }

  .brand__mark { width: 42px; height: 42px; font-size: .76rem; }
  .brand__name { font-size: .98rem; }
  .brand__note { font-size: .6rem; letter-spacing: .05em; max-width: 46vw; }

  .rail-meta { display: none; }

  .mobile-dock {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 90;
    gap: .5rem;
    padding: .55rem var(--gutter);
    background: rgba(4, 18, 29, .95);
    border-top: 1px solid var(--line);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
  }

  body { padding-bottom: 78px; }

  .grid--2,
  .grid--3 { grid-template-columns: minmax(0, 1fr); }

  .tabs__list {
    width: 100%;
    border-radius: var(--r-md);
  }

  .tabs__tab { flex: 1 1 auto; text-align: center; }

  .footer-cols { grid-template-columns: minmax(0, 1fr); }
  .footer-tagline { max-width: none; }
  .footer-base { flex-direction: column; align-items: flex-start; gap: .4rem; }
}

@media (max-width: 420px) {
  .brand__note { display: none; }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: .55rem .62rem; }
}

/* ---------- 16. 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

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