/* ============================================================
   天博体育 · 全站共享样式 /assets/site.css
   夜场数据控制台：深墨绿底 + 荧光青 / 高亮橙双状态色
   ============================================================ */

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

html {
  background: #06231C;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

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

ul, ol { list-style: none; }

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

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

button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }

details > summary { cursor: pointer; list-style: none; }
details > summary::-webkit-details-marker { display: none; }

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

/* ---------- 变量 ---------- */
:root {
  --bg: #06231C;
  --panel: #0B3329;
  --cyan: #25F2C7;
  --orange: #FF8A3D;
  --ink: #EAF6F2;
  --muted: #8FB5AA;
  --coral: #FF6B6B;
  --amber: #FFD166;
  --deep: #041A16;
  --mist: #F2FAF7;

  --line: rgba(37, 242, 199, 0.18);
  --line-soft: rgba(143, 181, 170, 0.16);
  --cyan-soft: rgba(37, 242, 199, 0.08);

  --header-h: 56px;
  --pad: clamp(16px, 4vw, 40px);
  --maxw: 1280px;

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

/* ---------- 基础排版 ---------- */
body {
  position: relative;
  min-height: 100vh;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.01em;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(37, 242, 199, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37, 242, 199, 0.045) 1px, transparent 1px);
  background-size: 64px 64px;
}

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  color: var(--ink);
  text-wrap: balance;
}

h1 {
  font-size: clamp(38px, 6vw, 84px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  font-weight: 900;
}

h2 {
  font-size: clamp(26px, 3.4vw, 44px);
  line-height: 1.08;
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  font-weight: 700;
}

p { font-size: 15.5px; }

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

::selection { background: var(--cyan); color: #04211B; }

/* ---------- 可访问性 ---------- */
:focus { outline: none; }

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

.tb-skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 120;
  padding: 10px 16px;
  background: var(--cyan);
  color: #04211B;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: top 0.15s ease;
}

.tb-skip:focus { top: 8px; }

/* ---------- 容器 / 网格 ---------- */
.tb-container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.tb-section {
  position: relative;
  padding-block: clamp(40px, 7vw, 88px);
  border-top: 1px solid var(--line-soft);
}

.tb-section:first-of-type { border-top: 0; }

.tb-grid {
  display: grid;
  gap: clamp(14px, 2vw, 24px);
  grid-template-columns: minmax(0, 1fr);
}

@media (min-width: 640px) {
  .tb-grid--2,
  .tb-grid--3,
  .tb-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 960px) {
  .tb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .tb-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

.tb-rule {
  height: 1px;
  border: 0;
  background: var(--line);
}

/* ---------- 展签 / 标签 / 数字 ---------- */
.tb-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan);
}

.tb-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--cyan);
  flex: 0 0 auto;
}

.tb-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.tb-tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tb-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.tb-lead {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.7;
  color: var(--ink);
  max-width: 62ch;
}

.tb-muted { color: var(--muted); }

/* ---------- 状态提示 ---------- */
.tb-status {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 3px 9px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.tb-status::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  flex: 0 0 auto;
}

.tb-status--ok { color: var(--cyan); }
.tb-status--warn { color: var(--orange); }
.tb-status--live { color: var(--amber); }
.tb-status--down { color: var(--coral); }

/* ---------- 卡片 / 面板 ---------- */
.tb-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(16px, 2.4vw, 26px);
  transition: border-color 0.12s ease, background-color 0.12s ease;
}

.tb-card:hover {
  border-color: var(--cyan);
  background: #0D3A2F;
}

.tb-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(18px, 2.6vw, 30px);
}

/* ---------- 图片占位容器 ---------- */
.tb-media {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--deep);
  border: 1px solid var(--line);
}

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

.tb-media::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 50% 50%, rgba(37, 242, 199, 0.16) 0 2px, transparent 2px),
    linear-gradient(0deg, rgba(37, 242, 199, 0.10), transparent 62%),
    repeating-linear-gradient(90deg, rgba(37, 242, 199, 0.10) 0 1px, transparent 1px 48px);
  background-size: 100% 100%, 100% 100%, 100% 100%;
}

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

.tb-media__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 6px 11px;
  background: rgba(4, 26, 22, 0.82);
  border-top: 1px solid var(--line);
  border-right: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 按钮 ---------- */
.tb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 36px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: transparent;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.06em;
  white-space: nowrap;
  transition: color 0.12s ease, border-color 0.12s ease, background-color 0.12s ease;
}

.tb-btn:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  background: var(--cyan-soft);
}

.tb-btn--solid {
  background: var(--cyan);
  border-color: var(--cyan);
  color: #04211B;
  font-weight: 700;
}

.tb-btn--solid:hover {
  background: var(--orange);
  border-color: var(--orange);
  color: #2A1000;
}

.tb-btn--ghost {
  border-color: var(--line-soft);
  color: var(--muted);
}

.tb-btn--ghost:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

/* ---------- 面包屑 ---------- */
.tb-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tb-breadcrumb a { color: var(--muted); transition: color 0.12s ease; }
.tb-breadcrumb a:hover { color: var(--cyan); }

.tb-breadcrumb__sep {
  color: rgba(143, 181, 170, 0.45);
  font-family: var(--font-mono);
}

/* ---------- 索引带 ---------- */
.tb-index {
  display: flex;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  scrollbar-width: thin;
}

.tb-index__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-right: 1px solid var(--line-soft);
  border-bottom: 2px solid transparent;
  font-size: 13px;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.12s ease, background-color 0.12s ease, border-color 0.12s ease;
}

.tb-index__link:hover {
  color: var(--ink);
  background: var(--cyan-soft);
}

.tb-index__link.is-current {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: var(--cyan-soft);
  font-weight: 700;
}

.tb-index__count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
}

/* ---------- 通用小工具 ---------- */
.tb-to-top {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(12px, 3vw, 28px);
  z-index: 55;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: rgba(4, 26, 22, 0.92);
  border: 1px solid var(--line);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, color 0.12s ease, border-color 0.12s ease;
}

.tb-to-top.is-visible { opacity: 1; visibility: visible; }

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

.is-copied { color: var(--cyan); }

[data-reveal] {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

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

/* ============================================================
   页头：紧凑命令栏
   ============================================================ */
.tb-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background-color: #06231C;
  background-color: rgba(6, 35, 28, 0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.tb-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 26px);
  flex-wrap: nowrap;
  min-height: var(--header-h);
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--pad);
}

.tb-header__progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan), var(--orange));
  opacity: 0;
  transition: opacity 0.25s ease;
  pointer-events: none;
}

/* 品牌 */
.tb-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
}

.tb-brand__mark {
  position: relative;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, var(--cyan) 0 100%) 50% 0 / 2px 30% no-repeat,
    linear-gradient(180deg, var(--orange) 0 100%) 50% 100% / 2px 30% no-repeat,
    radial-gradient(circle at 50% 50%, var(--cyan) 0 3px, transparent 3px) 50% 50% / 100% 100% no-repeat;
  transition: border-color 0.12s ease;
}

.tb-brand:hover .tb-brand__mark { border-color: var(--cyan); }

.tb-brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.tb-brand__name {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--ink);
  white-space: nowrap;
}

.tb-brand__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
  white-space: nowrap;
}

.tb-header.is-compact .tb-brand__tag { display: none; }

/* 导航 */
.tb-nav {
  flex: 1 1 auto;
  min-width: 0;
}

.tb-nav__list {
  display: flex;
  align-items: stretch;
  gap: 2px;
  counter-reset: tbnav;
}

.tb-nav__link {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: var(--header-h);
  padding: 0 10px;
  border-bottom: 2px solid transparent;
  font-size: 13.5px;
  color: var(--muted);
  white-space: nowrap;
  transition: color 0.12s ease, background-color 0.12s ease, border-color 0.12s ease;
}

.tb-nav__link::before {
  counter-increment: tbnav;
  content: counter(tbnav, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  color: rgba(143, 181, 170, 0.55);
  transition: color 0.12s ease;
}

.tb-nav__link:hover {
  color: var(--ink);
  background: var(--cyan-soft);
}

.tb-nav__link:hover::before { color: var(--cyan); }

.tb-nav__link[aria-current="page"] {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  background: var(--cyan-soft);
}

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

/* 工具区 */
.tb-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  margin-left: auto;
}

.tb-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
  white-space: nowrap;
}

.tb-chip__dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(37, 242, 199, 0.16);
  animation: tb-pulse 2.6s ease-in-out infinite;
}

.tb-chip__meta { color: var(--orange); }

@keyframes tb-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* 联赛索引下拉 */
.tb-jump { position: relative; }

.tb-jump__summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink);
  transition: border-color 0.12s ease, color 0.12s ease;
}

.tb-jump__summary:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.tb-jump__label { white-space: nowrap; }

.tb-jump__caret {
  width: 6px;
  height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 0.18s ease;
}

.tb-jump[open] .tb-jump__caret { transform: rotate(-135deg) translate(-1px, -1px); }

.tb-jump__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 70;
  width: 268px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  box-shadow: 0 18px 40px rgba(2, 12, 10, 0.55);
}

.tb-jump__title {
  margin-bottom: 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.tb-jump__list { display: grid; gap: 1px; }

.tb-jump__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  font-size: 13px;
  color: var(--ink);
  transition: background-color 0.12s ease, color 0.12s ease, border-color 0.12s ease;
}

.tb-jump__item:hover {
  background: var(--cyan-soft);
  border-left-color: var(--cyan);
  color: var(--cyan);
}

.tb-jump__code {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tb-jump__more {
  display: block;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  transition: color 0.12s ease;
}

.tb-jump__more:hover { color: var(--orange); }

/* 移动端菜单按钮 */
.tb-nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 36px;
  border: 1px solid var(--line);
  transition: border-color 0.12s ease;
}

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

.tb-nav-toggle__bars {
  position: relative;
  display: block;
  width: 16px;
  height: 2px;
  background: var(--ink);
  transition: background-color 0.12s ease;
}

.tb-nav-toggle__bars::before,
.tb-nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: inherit;
  transition: transform 0.18s ease, background-color 0.12s ease;
}

.tb-nav-toggle__bars::before { top: -5px; }
.tb-nav-toggle__bars::after { top: 5px; }

.tb-header[data-open] .tb-nav-toggle .tb-nav-toggle__bars { background: transparent; }

.tb-header[data-open] .tb-nav-toggle .tb-nav-toggle__bars::before {
  background: var(--cyan);
  transform: translateY(5px) rotate(45deg);
}

.tb-header[data-open] .tb-nav-toggle .tb-nav-toggle__bars::after {
  background: var(--cyan);
  transform: translateY(-5px) rotate(-45deg);
}

/* 页头断点 */
@media (max-width: 1180px) {
  .tb-jump { display: none; }
}

@media (max-width: 1040px) {
  .tb-chip__text { display: none; }
}

@media (max-width: 980px) {
  .tb-cta { display: none; }
  .tb-header.is-compact .tb-brand__tag { display: none; }
  .tb-brand__tag { display: none; }

  .tb-nav {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--header-h);
    display: none;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
    padding: 10px var(--pad) 22px;
    background: var(--deep);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 24px 48px rgba(2, 12, 10, 0.6);
  }

  .tb-header[data-open] .tb-nav {
    display: block;
    animation: tb-nav-in 0.18s ease;
  }

  .tb-nav__list {
    flex-direction: column;
    gap: 0;
  }

  .tb-nav__link {
    min-height: 0;
    padding: 14px 6px;
    border-bottom: 1px solid var(--line-soft);
    border-left: 2px solid transparent;
    font-size: 16px;
  }

  .tb-nav__link[aria-current="page"] {
    border-bottom-color: var(--line-soft);
    border-left-color: var(--cyan);
    padding-left: 12px;
  }

  .tb-nav-toggle { display: inline-flex; }
}

@keyframes tb-nav-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 420px) {
  .tb-brand__tag { display: none; }
  .tb-chip { display: none; }
}

/* ============================================================
   页脚
   ============================================================ */
.tb-footer {
  position: relative;
  z-index: 1;
  margin-top: clamp(48px, 8vw, 96px);
  background: var(--deep);
  border-top: 1px solid var(--line);
}

.tb-footer__inner {
  display: grid;
  grid-template-columns: minmax(240px, 1.1fr) 2fr;
  gap: clamp(24px, 4vw, 56px);
  max-width: var(--maxw);
  margin-inline: auto;
  padding: clamp(36px, 5vw, 64px) var(--pad) 0;
}

.tb-footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
}

.tb-brand--footer .tb-brand__name { font-size: 20px; }

.tb-footer__note {
  max-width: 36ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.tb-footer__stamp {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.tb-footer__stamp-k { color: var(--muted); }
.tb-footer__stamp .tb-num { color: var(--orange); }

.tb-footer__cols {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(16px, 3vw, 32px);
}

.tb-footer__title {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.tb-footer__list {
  display: grid;
  gap: 8px;
  font-size: 13.5px;
  color: var(--muted);
}

.tb-footer__list a {
  color: var(--ink);
  opacity: 0.85;
  transition: color 0.12s ease, opacity 0.12s ease;
}

.tb-footer__list a:hover {
  color: var(--cyan);
  opacity: 1;
}

.tb-footer__list--plain {
  font-size: 12.5px;
  line-height: 1.65;
  color: var(--muted);
}

.tb-footer__list--plain a { color: var(--cyan); opacity: 1; }
.tb-footer__list--plain a:hover { color: var(--orange); }

.tb-footer__base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  max-width: var(--maxw);
  margin: clamp(28px, 4vw, 48px) auto 0;
  padding: 16px var(--pad) 22px;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.tb-footer__legal,
.tb-footer__copy { font-size: 11px; color: var(--muted); }

@media (max-width: 980px) {
  .tb-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .tb-footer__cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .tb-footer__cols { grid-template-columns: minmax(0, 1fr); }
  .tb-footer__base { justify-content: flex-start; }
}

/* ============================================================
   动效降级
   ============================================================ */
@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;
  }

  .tb-chip__dot { animation: none; }

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