/* =========================================================
   鲸鱼体育 · 共享样式 /assets/site.css
   ========================================================= */

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

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

body, figure, h1, h2, h3, h4, h5, p, ul, ol, dl, blockquote { margin: 0; }
ul, ol { padding: 0; list-style: none; }
button { font: inherit; color: inherit; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

:root {
  --abyss: #05121F;
  --dive: #0B2239;
  --ink: #0A0A0B;
  --paper: #F4F7FA;
  --mist: #8FA3B8;
  --data: #C9D8E6;
  --cyan: #25F5D6;
  --cyan-deep: #0FA893;
  --coral: #FF6B4A;
  --trench: #1E3A54;

  --text-on-dark: #E8F0F7;
  --text-on-light: #0A0A0B;

  --rail-w: 88px;

  --font-sans: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
  --cut: 18px;
  --cut-lg: 28px;
}

html, body { min-height: 100%; }

body {
  background-color: var(--abyss);
  background-image:
    radial-gradient(1200px 520px at 78% -8%, rgba(15, 168, 147, .16), transparent 70%),
    repeating-linear-gradient(0deg, rgba(30, 58, 84, .28) 0 1px, transparent 1px 72px),
    repeating-linear-gradient(90deg, rgba(30, 58, 84, .18) 0 1px, transparent 1px 72px);
  color: var(--text-on-dark);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 18px;
  background: var(--cyan);
  color: var(--abyss);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  border-radius: 2px;
  transform: translateY(-180%);
  transition: transform .18s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible { transform: translateY(0); }

/* ---------------- 通用排版与容器 ---------------- */

.container {
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
}

.stack { display: flex; flex-direction: column; gap: 16px; }

.mono,
[class*="__num"],
[class*="__stamp"],
[class*="__icp"] {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--cyan);
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cyan);
}

.section-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}
.section-title--xl { font-size: clamp(32px, 5.4vw, 64px); }

.annot {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .3em;
  color: var(--mist);
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--trench);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--data);
}
.tag--live { color: var(--cyan); border-color: rgba(37, 245, 214, .5); }
.tag--alert { color: var(--coral); border-color: rgba(255, 107, 74, .55); }

.meta-stamp {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--mist);
}

.divider { height: 1px; border: 0; margin: 0; background: var(--trench); }

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  background: transparent;
  border: 1px solid var(--trench);
  color: var(--paper);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  cursor: pointer;
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
  transition: background .18s var(--ease), color .18s var(--ease),
              border-color .18s var(--ease), transform .18s var(--ease);
}
.btn:hover { border-color: var(--cyan); color: var(--cyan); transform: translateY(-2px); }

.btn--primary {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--abyss);
}
.btn--primary:hover {
  background: var(--cyan-deep);
  border-color: var(--cyan-deep);
  color: #02151a;
}

.btn--ghost {
  border-color: rgba(37, 245, 214, .45);
  color: var(--cyan);
}
.btn--ghost:hover { background: rgba(37, 245, 214, .1); color: var(--cyan); }

/* ---------------- 面包屑 ---------------- */

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 20px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}
.breadcrumb__link { color: var(--data); transition: color .18s var(--ease); }
.breadcrumb__link:hover { color: var(--cyan); }

/* ---------------- 网格 ---------------- */

.grid { display: grid; gap: 24px; }
.grid--split {
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
}
.grid--halves { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--thirds { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* ---------------- 切角面板 ---------------- */

.panel {
  position: relative;
  padding: clamp(20px, 3vw, 32px);
  background: linear-gradient(160deg, rgba(11, 34, 57, .97), rgba(5, 18, 31, .97));
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
}
.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid var(--trench);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, 0 100%);
  pointer-events: none;
  transition: border-color .18s var(--ease);
}
.panel:hover::after,
.panel:focus-within::after { border-color: var(--cyan); }

.panel__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--paper);
  font-weight: 700;
}

.panel--paper {
  background: linear-gradient(160deg, #FBFDFF, var(--paper));
  color: var(--text-on-light);
}
.panel--paper::after { border-color: #D3DEE9; }
.panel--paper .section-title,
.panel--paper .panel__head { color: var(--ink); }
.panel--paper .meta-stamp { color: #4A5C6E; }
.panel--paper .tag { color: var(--dive); border-color: #C9D8E6; }

/* ---------------- 图片容器基础规则 ---------------- */

.img-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--trench);
  border-radius: 2px var(--cut-lg) 2px 2px;
  background:
    radial-gradient(circle at 22% 12%, rgba(37, 245, 214, .18), transparent 58%),
    radial-gradient(circle at 82% 88%, rgba(15, 168, 147, .22), transparent 60%),
    linear-gradient(135deg, #0B2239, #123A55 58%, #05121F);
}
.img-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    repeating-linear-gradient(90deg, rgba(201, 216, 230, .09) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(0deg, rgba(201, 216, 230, .09) 0 1px, transparent 1px 44px);
  pointer-events: none;
}
.img-frame::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 42%;
  z-index: 1;
  background: linear-gradient(0deg, rgba(5, 18, 31, .78), transparent);
  pointer-events: none;
}
.img-frame > img {
  position: relative;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.img-frame--wide { aspect-ratio: 21 / 9; }
.img-frame--tall { aspect-ratio: 3 / 4; }
.img-frame--square { aspect-ratio: 1 / 1; }

.img-frame__caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--data);
}

/* ---------------- 索引行 ---------------- */

.index-list { display: flex; flex-direction: column; }

.index-list__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(30, 58, 84, .9);
}
.index-list__item:last-child { border-bottom: 0; }

.index-list__num {
  font-size: 11px;
  color: var(--cyan);
}

.index-list__link {
  font-size: 15px;
  color: var(--paper);
  transition: color .18s var(--ease);
}
.index-list__link:hover { color: var(--cyan); }

/* ---------------- 筛选条与空态 ---------------- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.filter-btn {
  padding: 9px 14px;
  background: rgba(11, 34, 57, .6);
  border: 1px solid var(--trench);
  border-left: 3px solid transparent;
  color: var(--data);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  cursor: pointer;
  transition: color .18s var(--ease), border-color .18s var(--ease), background .18s var(--ease);
}
.filter-btn:hover { color: var(--paper); border-color: var(--cyan-deep); }
.filter-btn.is-active {
  border-left-color: var(--cyan);
  border-color: rgba(37, 245, 214, .4);
  color: var(--cyan);
  background: rgba(37, 245, 214, .09);
}

.is-filtered { display: none !important; }

.empty-state {
  display: none;
  align-items: center;
  gap: 14px;
  padding: 24px;
  border: 1px dashed var(--trench);
  color: var(--mist);
  font-size: 14px;
}
.empty-state.is-visible { display: flex; }
.empty-state::before {
  content: "";
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--cyan-deep);
  box-shadow: inset 0 0 0 8px rgba(37, 245, 214, .08);
}

/* ---------------- 入场 ---------------- */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .24s var(--ease), transform .24s var(--ease);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

/* =========================================================
   声呐轨道
   ========================================================= */

.sonar-rail {
  display: none;
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  z-index: 70;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 26px 0 22px;
  background: linear-gradient(180deg, #07182A 0%, var(--abyss) 46%, #0B2239 100%);
  border-right: 1px solid var(--trench);
  overflow: hidden;
}

.sonar-rail::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(180deg, rgba(37, 245, 214, .07) 0 1px, transparent 1px 14px);
  pointer-events: none;
}

.sonar-rail__beam {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 90px;
  background: linear-gradient(180deg, transparent, rgba(37, 245, 214, .22), transparent);
  transform: translateY(var(--scan, 0px));
  opacity: var(--scan-op, .9);
  transition: transform .18s linear;
  pointer-events: none;
}

.sonar-rail__mark {
  position: relative;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .34em;
  color: var(--mist);
}

.sonar-rail__nums {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.sonar-rail__num {
  font-size: 10px;
  letter-spacing: .06em;
  color: rgba(201, 216, 230, .48);
}
.sonar-rail__num:first-child { color: var(--cyan); }

@media (min-width: 1080px) {
  body { padding-inline-start: var(--rail-w); }
  .sonar-rail { display: flex; }
}

/* =========================================================
   页头
   ========================================================= */

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  isolation: isolate;
  background: linear-gradient(180deg, rgba(5, 18, 31, .99), rgba(5, 18, 31, .92));
  border-bottom: 1px solid var(--trench);
  backdrop-filter: blur(6px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  background: repeating-linear-gradient(90deg, rgba(37, 245, 214, .05) 0 1px, transparent 1px 26px);
  pointer-events: none;
}

.masthead {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  padding: 16px 0 14px;
}

.masthead__issue {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--data);
}

.masthead__season {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  justify-self: center;
  color: var(--paper);
}

.brand__fin {
  flex: 0 0 auto;
  width: 30px;
  height: 34px;
  background: linear-gradient(160deg, var(--cyan), var(--cyan-deep));
  clip-path: polygon(50% 0%, 100% 100%, 50% 72%, 0% 100%);
  transition: background .18s var(--ease);
}

.brand__text { display: flex; flex-direction: column; line-height: 1; }

.brand__name {
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 900;
  letter-spacing: -.01em;
}

.brand__sub {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .26em;
  color: var(--mist);
  transition: color .18s var(--ease);
}

.brand:hover .brand__fin { background: linear-gradient(160deg, #FFFFFF, var(--cyan)); }
.brand:hover .brand__sub { color: var(--cyan); }

.masthead__live {
  justify-self: end;
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: right;
  font-size: 12px;
  color: var(--mist);
}

.masthead__round {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--data);
}

.live-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 3px rgba(255, 107, 74, .18);
  animation: live-pulse 2.4s var(--ease) infinite;
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 3px rgba(255, 107, 74, .18); }
  50% { box-shadow: 0 0 0 6px rgba(255, 107, 74, .05); }
}

.masthead__update {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.nav-toggle {
  display: none;
  position: absolute;
  top: 50%;
  right: 18px;
  transform: translateY(-50%);
  z-index: 3;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  background: rgba(11, 34, 57, .85);
  border: 1px solid var(--trench);
  border-radius: 2px;
  color: var(--paper);
  cursor: pointer;
}

.nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: background .18s var(--ease);
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: var(--cyan);
  transition: transform .2s var(--ease);
}
.nav-toggle__bars::before { top: -5px; }
.nav-toggle__bars::after { top: 5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-5px) rotate(-45deg); }

.nav-toggle__text {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--data);
}

.site-nav {
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(30, 58, 84, .9);
  background: linear-gradient(90deg, rgba(11, 34, 57, .85), rgba(5, 18, 31, .55));
}

.site-nav__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2px clamp(4px, 1.4vw, 22px);
  width: min(1200px, 100% - 48px);
  margin-inline: auto;
  padding-bottom: 2px;
}

.site-nav__item { display: flex; }

.site-nav__link {
  position: relative;
  display: block;
  padding: 13px 8px 17px;
  font-size: 13.5px;
  letter-spacing: .01em;
  color: var(--data);
  transition: color .18s var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 9px;
  width: 0;
  height: 2px;
  background: var(--cyan);
  transform: translateX(-50%);
  transition: width .2s var(--ease);
}

.site-nav__link:hover,
.site-nav__link:focus-visible { color: var(--paper); }
.site-nav__link:hover::after { width: 14px; }

.site-nav__link[aria-current="page"] { color: var(--cyan); }
.site-nav__link[aria-current="page"]::after { width: 24px; }

/* =========================================================
   页脚
   ========================================================= */

.site-footer {
  position: relative;
  margin-top: 96px;
  padding-top: 56px;
  background: var(--ink);
  color: var(--data);
  border-top: 1px solid var(--trench);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), rgba(37, 245, 214, .1) 42%, transparent 70%);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.35fr;
  gap: clamp(24px, 3.4vw, 48px);
  padding-bottom: 48px;
}

.footer-brand__name {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -.01em;
  color: var(--paper);
}

.footer-brand__note {
  margin-top: 14px;
  max-width: 30ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.footer-brand__stamp {
  margin-top: 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.footer-col { display: block; }

.footer-col__title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  color: var(--cyan);
}
.footer-col__title::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--trench);
}

.footer-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
}

.footer-link {
  color: var(--data);
  transition: color .18s var(--ease);
}
.footer-link:hover,
.footer-link:focus-visible {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14px;
}

.contact-item__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--mist);
}

.contact-item__value {
  color: var(--paper);
  overflow-wrap: anywhere;
}

.footer-contact__note {
  margin-top: 4px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan-deep);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

.footer-legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 28px;
  padding: 22px 0;
  border-top: 1px solid rgba(30, 58, 84, .9);
  font-size: 13px;
  color: var(--mist);
}

.footer-legal__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
}

.footer-legal__icp {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--data);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  padding: 16px 0 30px;
  border-top: 1px solid rgba(30, 58, 84, .7);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: rgba(143, 163, 184, .8);
}

.footer-copy { color: rgba(201, 216, 230, .75); }

.footer-stamp { color: var(--cyan-deep); }

/* =========================================================
   响应式
   ========================================================= */

@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }

  .masthead {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 14px 0;
  }
  .masthead__issue,
  .masthead__live { display: none; }
  .brand { justify-self: start; padding-right: 104px; }

  .site-nav {
    display: none;
    max-height: 72vh;
    overflow-y: auto;
    background: var(--dive);
    border-top: 1px solid var(--trench);
  }
  .site-header[data-open] .site-nav { display: block; }

  .site-nav__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    width: 100%;
    padding: 8px 20px 20px;
  }
  .site-nav__item {
    display: block;
    border-bottom: 1px solid rgba(30, 58, 84, .75);
  }
  .site-nav__item:last-child { border-bottom: 0; }

  .site-nav__link {
    padding: 14px 0 14px 20px;
    font-size: 15px;
  }
  .site-nav__link::after {
    left: 0;
    top: 50%;
    bottom: auto;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity .18s var(--ease);
  }
  .site-nav__link:hover::after { width: 6px; opacity: .6; }
  .site-nav__link[aria-current="page"]::after { width: 6px; opacity: 1; }

  .grid--split,
  .grid--halves,
  .grid--thirds { grid-template-columns: minmax(0, 1fr); }

  .site-footer { margin-top: 72px; padding-top: 44px; }
}

@media (max-width: 680px) {
  .container { width: calc(100% - 36px); }
  .masthead { width: calc(100% - 36px); }
  .site-nav__list { width: 100%; }

  .footer-grid { grid-template-columns: minmax(0, 1fr); gap: 30px; }
  .footer-legal { flex-direction: column; align-items: flex-start; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }

  .index-list__item { grid-template-columns: auto minmax(0, 1fr); }
  .index-list__item .meta-stamp { grid-column: 2; }

  .contact-item { grid-template-columns: 48px minmax(0, 1fr); }
}

/* =========================================================
   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;
  }

  [data-reveal] { opacity: 1; transform: none; }
  .sonar-rail__beam { display: none; }
  .live-dot { animation: none; }
}