/* =========================================================
   狗万官网 · 共享样式 /assets/site.css
   夜场转播室 × 数据指挥台
   ========================================================= */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h, 76px) + 18px);
}

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

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

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

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

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

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

:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ---------- 变量 ---------- */
:root {
  --night: #0B2A22;
  --night-deep: #071B16;
  --pitch: #10463A;
  --cold: #E8F1EC;
  --red: #E23A4E;
  --gold: #E8B33A;
  --teal: #2FA79A;
  --indigo: #7A6FA8;
  --violet: #6B6B8A;
  --grid: #9AA8A2;

  --line: rgba(154, 168, 162, 0.26);
  --line-strong: rgba(154, 168, 162, 0.45);

  --font-body: "Source Han Sans SC", "Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-display: var(--font-body);
  --font-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --shell: 1440px;
  --gutter: clamp(18px, 4vw, 72px);
  --header-h: 76px;
  --ease: cubic-bezier(0.2, 0.6, 0.2, 1);
  --dur: 240ms;
}

/* ---------- 中文排版基线 ---------- */
body {
  min-height: 100vh;
  background: var(--night);
  color: var(--cold);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.85;
  letter-spacing: 0.01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -0.01em;
}

p { max-width: 40em; }
p + p { margin-top: 1.1em; }

.num,
.data-figure,
.stream__value,
.stream__index,
.footer-contact__value.num,
.table-basic td.num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum" 1;
}

/* ---------- 跳转链接 ---------- */
.skip-link {
  position: fixed;
  left: 50%;
  top: 0;
  z-index: 200;
  transform: translate(-50%, -160%);
  padding: 10px 20px;
  background: var(--gold);
  color: var(--night);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translate(-50%, 0); }

/* =========================================================
   页头
   ========================================================= */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(7, 27, 22, 0.94) 0%, rgba(7, 27, 22, 0.62) 58%, rgba(7, 27, 22, 0) 100%);
  opacity: 1;
  transition: opacity var(--dur) var(--ease);
}

.site-header.is-solid {
  background: var(--night);
  border-bottom-color: var(--line);
}
.site-header.is-solid::before { opacity: 0; }

.site-header[data-open] {
  background: var(--night);
  border-bottom-color: var(--line);
}
.site-header[data-open]::before { opacity: 0; }

.site-header__inner {
  position: relative;
  z-index: 1;
  max-width: var(--shell);
  margin: 0 auto;
  min-height: var(--header-h);
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(14px, 2.2vw, 40px);
}

/* 品牌 */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand__mark {
  flex: none;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--red);
  background: rgba(16, 70, 58, 0.55);
  color: var(--gold);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0;
}

.brand__meta {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.brand__line {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--cold);
  white-space: nowrap;
}

.brand__tagline {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--grid);
  white-space: nowrap;
}

/* 导航 */
.site-nav { min-width: 0; }

.site-nav__list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(12px, 1.7vw, 30px);
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: 10px 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  color: var(--cold);
  transition: color var(--dur) var(--ease);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4px;
  height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--dur) var(--ease);
}

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

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

/* 快捷入口 */
.header-quick {
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-chip {
  display: inline-block;
  padding: 6px 12px;
  font-size: 12px;
  letter-spacing: 0.1em;
  border: 1px solid var(--line-strong);
  color: var(--cold);
  white-space: nowrap;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.quick-chip:hover {
  border-color: var(--gold);
  color: var(--gold);
}

.quick-chip--live {
  background: var(--red);
  border-color: var(--red);
  color: #FFFFFF;
  font-weight: 700;
}
.quick-chip--live:hover {
  background: #C72C3F;
  border-color: #C72C3F;
  color: #FFFFFF;
}

/* 菜单按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  color: var(--cold);
  font-size: 12px;
  letter-spacing: 0.14em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-toggle:hover { border-color: var(--gold); color: var(--gold); }

.nav-toggle__bars {
  position: relative;
  display: block;
  flex: none;
  width: 18px;
  height: 12px;
}
.nav-toggle__bars i {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--gold);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.nav-toggle__bars i:nth-child(1) { top: 0; }
.nav-toggle__bars i:nth-child(2) { top: 5.5px; }
.nav-toggle__bars i:nth-child(3) { top: 11px; }

.site-header[data-open] .nav-toggle__bars i:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.site-header[data-open] .nav-toggle__bars i:nth-child(2) { opacity: 0; }
.site-header[data-open] .nav-toggle__bars i:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

.nav-toggle__text { line-height: 1; }

/* 阅读进度 */
.header-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(154, 168, 162, 0.14);
  overflow: hidden;
}

.header-progress__bar {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--teal) 0%, var(--gold) 55%, var(--red) 100%);
}

/* =========================================================
   页脚
   ========================================================= */
.site-footer {
  position: relative;
  margin-top: clamp(64px, 10vw, 140px);
  background: var(--night-deep);
  border-top: 1px solid var(--line-strong);
  color: var(--cold);
}

.site-footer::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  opacity: 0.9;
  background: linear-gradient(90deg,
    var(--red) 0 22%,
    var(--gold) 22% 46%,
    var(--teal) 46% 72%,
    var(--indigo) 72% 100%);
}

.site-footer__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(44px, 6vw, 84px) var(--gutter) clamp(28px, 4vw, 52px);
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 2.1fr) minmax(0, 1.25fr);
  gap: clamp(26px, 4vw, 64px);
}

.site-footer__brand { min-width: 0; }

.footer-mark {
  display: inline-block;
  padding-left: 14px;
  border-left: 3px solid var(--red);
  font-family: var(--font-display);
  font-size: clamp(28px, 3.6vw, 44px);
  font-weight: 900;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--cold);
}

.footer-brandline {
  margin-top: 20px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--grid);
}

.footer-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.footer-tags li {
  padding: 3px 9px;
  border: 1px solid rgba(47, 167, 154, 0.42);
  color: var(--teal);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}

.footer-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(18px, 2.5vw, 36px);
}

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

.footer-heading {
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}

.footer-list li + li { margin-top: 10px; }

.footer-list a {
  position: relative;
  display: inline-block;
  font-size: 14px;
  color: var(--cold);
  transition: color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.footer-list a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width var(--dur) var(--ease);
}

.footer-list a:hover {
  color: var(--gold);
  padding-left: 16px;
}
.footer-list a:hover::before { width: 10px; }

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

.footer-contact__list { display: grid; gap: 16px; }
.footer-contact__list li { display: grid; gap: 4px; }

.footer-contact__label {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--grid);
}

.footer-contact__value {
  font-size: 14px;
  line-height: 1.7;
  color: var(--cold);
  word-break: break-word;
}

.site-footer__legal {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 16px var(--gutter) 30px;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 28px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grid);
}

.footer-legal__icp,
.footer-legal__copy,
.footer-legal__note { max-width: none; }

/* =========================================================
   布局容器与章节
   ========================================================= */
.shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.shell--narrow { max-width: 960px; }

.page-top { padding-top: var(--header-h); }

.section {
  position: relative;
  padding: clamp(48px, 7vw, 110px) 0;
}
.section--tight { padding: clamp(32px, 4vw, 64px) 0; }
.section--pitch { background: var(--pitch); }
.section--ink { background: var(--night-deep); }

.section--light {
  --line: rgba(11, 42, 34, 0.16);
  --line-strong: rgba(11, 42, 34, 0.32);
  background: var(--cold);
  color: var(--night);
}
.section--light .section-sub,
.section--light .data-label,
.section--light .stream__index,
.section--light .footer-brandline { color: var(--pitch); }
.section--light .eyebrow { color: var(--pitch); border-top-color: var(--red); }
.section--light .media { border-color: rgba(11, 42, 34, 0.22); }
.section--light .stream__value { color: #A8262F; }
.section--light .btn { border-color: var(--line-strong); color: var(--night); }
.section--light .btn:hover { border-color: var(--red); color: var(--red); }

/* =========================================================
   栅格
   ========================================================= */
.grid { display: grid; gap: clamp(16px, 2vw, 32px); }
.grid--12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--rail {
  grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
  gap: clamp(20px, 3vw, 48px);
}

.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-12 { grid-column: span 12; }

/* =========================================================
   面包屑
   ========================================================= */
.breadcrumb { padding-top: calc(var(--header-h) + clamp(18px, 3vw, 36px)); }

.breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grid);
}

.breadcrumb__list li { display: flex; align-items: center; gap: 10px; }

.breadcrumb__list li + li::before {
  content: "";
  display: block;
  width: 14px;
  height: 1px;
  background: var(--line-strong);
}

.breadcrumb__link { transition: color var(--dur) var(--ease); }
.breadcrumb__link:hover { color: var(--gold); }
.breadcrumb__current { color: var(--cold); }

/* =========================================================
   章节头 / 注释
   ========================================================= */
.section-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2vw, 32px);
  align-items: start;
  margin-bottom: clamp(24px, 3vw, 48px);
}

.eyebrow {
  padding-top: 8px;
  border-top: 2px solid var(--gold);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--gold);
  white-space: nowrap;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.section-title {
  font-size: clamp(26px, 4.2vw, 48px);
  font-weight: 900;
  line-height: 1.12;
}
.section-title em {
  font-style: normal;
  color: var(--gold);
}

.section-sub {
  margin-top: 12px;
  max-width: 38em;
  font-size: 15px;
  line-height: 1.9;
  color: var(--grid);
}

.v-label {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--grid);
}

[data-section] { position: relative; }
[data-section].is-active .section-head .eyebrow {
  color: var(--red);
  border-top-color: var(--red);
}

/* =========================================================
   按钮
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--cold);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn:hover { border-color: var(--gold); color: var(--gold); }

.btn--primary {
  background: var(--red);
  border-color: var(--red);
  color: #FFFFFF;
}
.btn--primary:hover {
  background: #C72C3F;
  border-color: #C72C3F;
  color: #FFFFFF;
}

.btn--solid {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--night);
}
.btn--solid:hover {
  background: #D19F2B;
  border-color: #D19F2B;
  color: var(--night);
}

.btn__arrow { font-family: var(--font-mono); font-size: 12px; }

/* =========================================================
   面板
   ========================================================= */
.panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 32px);
  background: var(--pitch);
  border: 1px solid var(--line);
}

.panel--ink { background: var(--night-deep); }

.panel--light {
  --line: rgba(11, 42, 34, 0.16);
  --line-strong: rgba(11, 42, 34, 0.32);
  background: var(--cold);
  color: var(--night);
}

.panel--accent { border-top: 3px solid var(--red); }
.panel--gold { border-top: 3px solid var(--gold); }
.panel--teal { border-top: 3px solid var(--teal); }
.panel--indigo { border-top: 3px solid var(--indigo); }

/* =========================================================
   数据焦点
   ========================================================= */
.data-figure {
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--cold);
}
.data-figure--red { color: var(--red); }
.data-figure--gold { color: var(--gold); }
.data-figure--teal { color: var(--teal); }
.data-figure--indigo { color: var(--indigo); }

.data-unit {
  margin-left: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--grid);
}

.data-label {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--grid);
}

/* =========================================================
   标签 / 分隔线
   ========================================================= */
.tag {
  display: inline-block;
  padding: 3px 9px;
  border: 1px solid var(--line-strong);
  color: var(--grid);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
}
.tag--red { color: var(--red); border-color: rgba(226, 58, 78, 0.5); }
.tag--gold { color: var(--gold); border-color: rgba(232, 179, 58, 0.5); }
.tag--teal { color: var(--teal); border-color: rgba(47, 167, 154, 0.5); }
.tag--indigo { color: var(--indigo); border-color: rgba(122, 111, 168, 0.55); }

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

/* =========================================================
   图片容器基础规则
   ========================================================= */
.media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--night-deep);
  border: 1px solid var(--line);
}

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

.media--wide { aspect-ratio: 21 / 9; }
.media--square { aspect-ratio: 1 / 1; }
.media--portrait { aspect-ratio: 3 / 4; }
.media--tall { aspect-ratio: 4 / 5; }

.media__grid-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(0deg, var(--line) 1px, transparent 1px);
  background-size: 12.5% 25%;
}

.media__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 12px 14px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cold);
  background: linear-gradient(0deg, rgba(7, 27, 22, 0.92), rgba(7, 27, 22, 0));
}

/* =========================================================
   表格
   ========================================================= */
.table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table-basic {
  width: 100%;
  font-size: 14px;
  border-top: 1px solid var(--line-strong);
}

.table-basic th,
.table-basic td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: middle;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.table-basic th {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--grid);
}

/* =========================================================
   数据流列表
   ========================================================= */
.stream {
  display: grid;
  border-top: 1px solid var(--line);
}

.stream__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.stream__index {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--grid);
}

.stream__text {
  font-size: 14px;
  color: var(--cold);
}

.stream__value {
  font-size: 14px;
  color: var(--gold);
}

/* =========================================================
   轮次轴节点
   ========================================================= */
.chapter-node {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--violet);
  transition: color var(--dur) var(--ease);
}

.chapter-node::before {
  content: "";
  width: 10px;
  height: 1px;
  background: var(--violet);
  transition: width var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.chapter-node.is-active { color: var(--gold); }
.chapter-node.is-active::before { width: 22px; background: var(--gold); }

/* =========================================================
   显现
   ========================================================= */
html.js [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease);
}
html.js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1279px) {
  .brand__tagline { display: none; }
  .header-quick { display: none; }
}

@media (max-width: 1080px) {
  :root { --header-h: 68px; }

  .site-header__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "brand toggle"
      "nav nav"
      "quick quick";
    align-items: center;
    row-gap: 0;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .brand { grid-area: brand; }
  .nav-toggle { grid-area: toggle; display: inline-flex; }
  .site-nav { grid-area: nav; display: none; }
  .header-quick { grid-area: quick; display: none; }

  .site-header[data-open] .site-nav { display: block; }
  .site-header[data-open] .header-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 4px 0 16px;
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 6px 0 4px;
    border-top: 1px solid var(--line);
  }

  .site-nav__link {
    display: block;
    padding: 14px 2px;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }

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

  .site-nav__link[aria-current="page"] {
    padding-left: 12px;
    background: linear-gradient(90deg, rgba(232, 179, 58, 0.16), rgba(232, 179, 58, 0));
  }

  .site-footer__inner {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .grid--12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-12 { grid-column: span 6; }

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

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

  .section-head {
    grid-template-columns: minmax(0, 1fr);
    gap: 14px;
  }

  .v-label {
    writing-mode: horizontal-tb;
    letter-spacing: 0.2em;
  }

  .site-footer__legal { justify-content: flex-start; }
}

@media (max-width: 760px) {
  .site-footer__inner { grid-template-columns: minmax(0, 1fr); }
  .footer-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  p { max-width: none; }
}

@media (max-width: 600px) {
  .grid--12 { grid-template-columns: minmax(0, 1fr); }
  .col-3, .col-4, .col-5, .col-6,
  .col-7, .col-8, .col-9, .col-12 { grid-column: span 1; }

  .stream__item {
    grid-template-columns: auto minmax(0, 1fr);
    row-gap: 4px;
  }
  .stream__value { grid-column: 2; }
}

@media (max-width: 480px) {
  .footer-columns { grid-template-columns: minmax(0, 1fr); }
  .nav-toggle__text { display: none; }
}

/* =========================================================
   减少动效
   ========================================================= */
@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;
  }

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