/* ============================================================
   18新利平台 · 共享站点样式 /assets/site.css
   深夜数据室 × 赛场边线：墨蓝地面、电光青脉络、暖金数字
   ============================================================ */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: 104px;
}

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

ul, ol { list-style: none; }

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

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

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

table { border-collapse: collapse; }

/* ---------- 2. 变量 ---------- */
:root {
  --ink-900: #050A16;
  --ink-800: #0C1730;
  --line-blue: #1D2C4A;
  --cyan: #3FE0FF;
  --cyan-deep: #0E6F7F;
  --gold: #F5B942;
  --signal: #FF4C63;
  --mint: #4BE3B4;
  --indigo: #3A2A6E;
  --wine: #6B1E39;
  --deep-teal: #0B3B3C;
  --paper: #EEF4FB;
  --muted: #8FA2C2;

  --font-display: 'Saira Condensed', 'Oswald', 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', sans-serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --edge: 2px;
  --shell: 1240px;
  --gap: clamp(16px, 2.2vw, 30px);
  --ease: cubic-bezier(.2, .7, .3, 1);
  --shadow-hard: 5px 5px 0 rgba(5, 10, 22, .85);
}

/* ---------- 3. 基础排版 ---------- */
html { scroll-behavior: smooth; }

body {
  min-height: 100vh;
  background-color: var(--ink-900);
  background-image:
    linear-gradient(180deg, rgba(29, 44, 74, .38) 0, rgba(5, 10, 22, 0) 420px),
    repeating-linear-gradient(90deg, rgba(29, 44, 74, .22) 0 1px, rgba(5, 10, 22, 0) 1px 96px);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--cyan);
  color: var(--ink-900);
}

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

#main-content { scroll-margin-top: 104px; }

/* ---------- 4. 工具类 ---------- */
.container {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--gap);
}

.col-side { grid-column: span 3; min-width: 0; }
.col-wide { grid-column: span 9; min-width: 0; }

.prose {
  max-width: 68ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--paper);
}

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

.prose h2 {
  margin: 1.7em 0 .6em;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 2.6vw, 32px);
  letter-spacing: .03em;
  line-height: 1.25;
}

.prose h3 {
  margin: 1.5em 0 .5em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: .04em;
}

.prose ul { margin: 1em 0; }

.prose ul li {
  position: relative;
  padding-left: 1.45em;
}

.prose ul li + li { margin-top: .4em; }

.prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .74em;
  width: 9px;
  height: 2px;
  background: var(--cyan);
}

.prose a {
  color: var(--cyan);
  border-bottom: 1px solid var(--cyan-deep);
}

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

.prose strong { color: var(--gold); font-weight: 700; }

/* ---------- 5. 跳过链接 ---------- */
.skip-link {
  position: absolute;
  top: -80px;
  left: 12px;
  z-index: 300;
  padding: 11px 20px;
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .1em;
  transition: top .2s var(--ease);
}

.skip-link:focus,
.skip-link:focus-visible { top: 12px; }

/* ---------- 6. 页头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(5, 10, 22, .96);
  border-bottom: 2px solid var(--line-blue);
  backdrop-filter: blur(6px);
}

.header-rail {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 8px 24px 0;
}

.rail-label {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  white-space: nowrap;
}

.rail-rule {
  flex: 1 1 auto;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, var(--line-blue) 0 1px, transparent 1px 14px);
  background-position: left bottom;
  background-size: 100% 8px;
  background-repeat: repeat-x;
  opacity: .9;
}

.header-inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 0 22px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
  border-right: 1px solid var(--line-blue);
  padding-right: 22px;
  transition: opacity .2s var(--ease);
}

.brand-block:hover { opacity: .88; }

.brand-num {
  display: inline-block;
  padding: 3px 8px;
  background: var(--cyan);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 27px;
  line-height: 1.1;
  letter-spacing: -.01em;
  box-shadow: 3px 3px 0 var(--cyan-deep);
}

.brand-text { display: block; min-width: 0; }

.brand-name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 20px;
  letter-spacing: .07em;
  line-height: 1.2;
  color: var(--paper);
}

.brand-tagline {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--muted);
  white-space: nowrap;
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 10px;
  align-self: center;
  padding: 10px 14px;
  border: var(--edge) solid var(--line-blue);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .1em;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

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

.nav-toggle[data-open="true"] {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink-900);
}

.nav-toggle-bars {
  display: grid;
  gap: 4px;
  width: 18px;
}

.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform .22s var(--ease), opacity .22s var(--ease);
}

.nav-toggle[data-open="true"] .nav-toggle-bars i:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[data-open="true"] .nav-toggle-bars i:nth-child(2) { opacity: 0; }
.nav-toggle[data-open="true"] .nav-toggle-bars i:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.nav-toggle-label { white-space: nowrap; }

/* 命令栏 */
.command-bar {
  display: block;
  min-width: 0;
  border-left: 1px solid var(--line-blue);
}

.command-list {
  display: flex;
  align-items: stretch;
  height: 100%;
}

.command-item { display: flex; }

.command-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 13px;
  border-left: 3px solid transparent;
  color: var(--muted);
  font-size: 15px;
  letter-spacing: .04em;
  white-space: nowrap;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease);
}

.command-link:hover {
  color: var(--paper);
  background: var(--ink-800);
  border-left-color: var(--cyan-deep);
}

.command-link[aria-current="page"] {
  background: var(--cyan);
  border-left-color: var(--gold);
  color: var(--ink-900);
}

.cmd-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--cyan-deep);
  transition: color .2s var(--ease);
}

.command-link:hover .cmd-index { color: var(--cyan); }

.command-link[aria-current="page"] .cmd-index { color: rgba(5, 10, 22, .7); }

.cmd-label { font-weight: 500; }

/* 快捷入口 */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 0;
}

.action-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 14px;
  border: var(--edge) solid var(--line-blue);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  letter-spacing: .09em;
  white-space: nowrap;
  transition: border-color .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease), transform .2s var(--ease);
}

.action-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-2px);
}

.action-link--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}

.action-link--gold:hover {
  background: #FFC95A;
  border-color: var(--gold);
  color: var(--ink-900);
}

/* 阅读进度 */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  overflow: hidden;
}

.scroll-progress-bar {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan) 0%, var(--cyan) 55%, var(--gold) 100%);
  transition: transform .12s linear;
}

/* ---------- 7. 页脚 ---------- */
.site-footer {
  margin-top: clamp(48px, 7vw, 96px);
  border-top: 3px solid var(--cyan);
  background: var(--ink-900);
}

.footer-zones {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1.25fr;
  gap: clamp(16px, 2vw, 24px);
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(28px, 4vw, 52px) 24px 0;
}

.footer-zone {
  position: relative;
  padding: 26px 22px 28px;
  border: var(--edge) solid var(--line-blue);
  background: var(--ink-800);
}

.footer-zone::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 6px;
  background: var(--cyan);
}

.footer-zone--indigo {
  background-image: linear-gradient(180deg, rgba(58, 42, 110, .62) 0, rgba(12, 23, 48, .98) 72%);
}

.footer-zone--indigo::before { background: var(--cyan); }

.footer-zone--wine {
  background-image: linear-gradient(180deg, rgba(107, 30, 57, .55) 0, rgba(12, 23, 48, .98) 72%);
}

.footer-zone--wine::before { background: var(--gold); }

.footer-zone--teal {
  background-image: linear-gradient(180deg, rgba(11, 59, 60, .68) 0, rgba(12, 23, 48, .98) 72%);
}

.footer-zone--teal::before { background: var(--mint); }

.zone-label {
  display: block;
  margin-bottom: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--muted);
  text-transform: uppercase;
}

.zone-title {
  margin-bottom: 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 24px;
  letter-spacing: .05em;
  color: var(--paper);
}

.footer-intro {
  margin-bottom: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-links--row {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 6px 18px;
  margin-top: 16px;
}

.footer-link {
  display: inline-block;
  padding: 5px 0;
  color: var(--muted);
  font-size: 15px;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.footer-link:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.footer-contact {
  display: grid;
  gap: 12px;
}

.contact-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.contact-key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
}

.contact-val {
  font-size: 15px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}

.contact-val--mono {
  font-family: var(--font-mono);
  letter-spacing: .02em;
}

.footer-base {
  margin-top: clamp(28px, 4vw, 48px);
  border-top: 2px solid var(--line-blue);
}

.footer-base-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 24px;
  max-width: var(--shell);
  margin: 0 auto;
  padding: 20px 24px 34px;
  font-size: 13px;
  color: var(--muted);
}

.footer-filing {
  padding: 4px 10px;
  border: 1px solid var(--line-blue);
  font-family: var(--font-mono);
  letter-spacing: .06em;
  color: var(--paper);
}

.footer-footnote {
  flex: 1 1 320px;
  min-width: 220px;
  line-height: 1.7;
}

.footer-year {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  white-space: nowrap;
}

/* ---------- 8. 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 22px;
  border: var(--edge) solid var(--line-blue);
  background: var(--ink-800);
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .09em;
  transition: transform .2s var(--ease), border-color .2s var(--ease), box-shadow .2s var(--ease), color .2s var(--ease), background-color .2s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 4px 4px 0 rgba(63, 224, 255, .22);
}

.btn--gold {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--ink-900);
}

.btn--gold:hover {
  background: #FFC95A;
  border-color: var(--gold);
  color: var(--ink-900);
  box-shadow: 4px 4px 0 rgba(245, 185, 66, .3);
}

.btn--ghost {
  background: transparent;
  color: var(--muted);
}

.btn--ghost:hover {
  background: var(--ink-800);
  color: var(--cyan);
}

/* ---------- 9. 面包屑 ---------- */
.breadcrumb { padding: 18px 0 0; }

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--muted);
}

.breadcrumb-item {
  display: inline-flex;
  align-items: center;
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "／";
  margin-right: 8px;
  color: var(--cyan-deep);
}

.breadcrumb-item a { color: var(--muted); }

.breadcrumb-item a:hover { color: var(--cyan); }

.breadcrumb-item[aria-current="page"] { color: var(--paper); }

/* ---------- 10. 章节头 / 面板 / 标签 / 数据 ---------- */
.section-head {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 12px;
  margin-bottom: 24px;
  border-bottom: var(--edge) solid var(--line-blue);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(26px, 3vw, 32px);
  letter-spacing: .03em;
  line-height: 1.2;
}

.section-note {
  margin-left: auto;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--muted);
}

.panel {
  border: var(--edge) solid var(--line-blue);
  background: var(--ink-800);
  transition: border-color .22s var(--ease), transform .22s var(--ease), box-shadow .22s var(--ease);
}

.panel:hover {
  border-color: var(--cyan);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hard);
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-bottom: var(--edge) solid var(--line-blue);
  background: rgba(29, 44, 74, .35);
}

.panel-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: .05em;
}

.panel-body { padding: 18px; }

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line-blue);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  white-space: nowrap;
}

.tag--hot { border-color: var(--signal); color: var(--signal); }
.tag--cool { border-color: var(--mint); color: var(--mint); }
.tag--new { border-color: var(--gold); color: var(--gold); }
.tag--live { border-color: var(--cyan); color: var(--cyan); }

.stat {
  display: block;
  padding-left: 14px;
  border-left: 3px solid var(--cyan);
}

.stat-value {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05;
  letter-spacing: .01em;
  color: var(--gold);
}

.stat-label {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border: var(--edge) solid var(--line-blue);
  background: var(--ink-800);
}

.data-table {
  width: 100%;
  min-width: 560px;
  font-size: 15px;
}

.data-table th,
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line-blue);
  text-align: left;
}

.data-table thead th {
  background: rgba(29, 44, 74, .5);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.data-table tbody tr { transition: background-color .18s var(--ease); }

.data-table tbody tr:hover { background: rgba(63, 224, 255, .06); }

.data-table .is-num {
  font-family: var(--font-mono);
  text-align: right;
  letter-spacing: .02em;
}

.annotation {
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--muted);
}

.annotation--vertical {
  writing-mode: vertical-rl;
  text-orientation: mixed;
  letter-spacing: .3em;
  line-height: 1;
}

/* ---------- 11. 图像容器基础规则 ---------- */
.media-frame {
  position: relative;
  overflow: hidden;
  border: var(--edge) solid var(--line-blue);
  background: var(--ink-800);
  aspect-ratio: 16 / 9;
  transition: border-color .22s var(--ease);
}

.media-frame:hover { border-color: var(--cyan); }

.media-frame--wide { aspect-ratio: 21 / 9; }
.media-frame--band { aspect-ratio: 32 / 9; }
.media-frame--square { aspect-ratio: 1 / 1; }
.media-frame--tall { aspect-ratio: 3 / 4; }

.media-frame > img,
.media-frame > svg,
.media-frame > .media-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-placeholder {
  display: grid;
  place-items: center;
  background-image: repeating-linear-gradient(135deg, rgba(29, 44, 74, .85) 0 12px, rgba(12, 23, 48, .9) 12px 24px);
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .22em;
  text-align: center;
  padding: 16px;
}

.media-caption {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 12. 动效 ---------- */
.reveal {
  transition: opacity .5s var(--ease), transform .5s var(--ease);
}

html[data-reveal="on"] .reveal {
  opacity: 0;
  transform: translateY(14px);
}

html[data-reveal="on"] .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- 13. 返回顶部 ---------- */
.to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border: var(--edge) solid var(--line-blue);
  background: var(--ink-800);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 16px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity .24s var(--ease), transform .24s var(--ease), visibility .24s var(--ease), border-color .2s var(--ease);
}

.to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.to-top:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(63, 224, 255, .18);
}

/* ---------- 14. 响应式 ---------- */
@media (max-width: 1023px) {
  .header-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0 16px;
    min-height: 64px;
    align-items: center;
  }

  .brand-block {
    grid-column: 1;
    grid-row: 1;
    border-right: 0;
    padding-right: 0;
  }

  .nav-toggle {
    grid-column: 2;
    grid-row: 1;
    display: inline-flex;
  }

  .command-bar {
    grid-column: 1 / -1;
    grid-row: 2;
    display: none;
    border-left: 0;
    border-top: var(--edge) solid var(--line-blue);
    padding: 8px 0 12px;
  }

  .command-bar[data-open="true"] { display: block; }

  .command-list {
    flex-direction: column;
    height: auto;
  }

  .command-item { display: block; }

  .command-link {
    gap: 12px;
    padding: 13px 10px;
    border-left: 3px solid transparent;
    border-bottom: 1px solid var(--line-blue);
    font-size: 16px;
  }

  .command-link[aria-current="page"] { border-left-color: var(--gold); }

  .header-actions {
    grid-column: 1 / -1;
    grid-row: 3;
    padding: 12px 0 14px;
    border-top: 1px solid var(--line-blue);
  }

  .footer-zones { grid-template-columns: 1fr 1fr; }

  .footer-zone--teal { grid-column: 1 / -1; }

  .grid-12 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

  .col-side,
  .col-wide { grid-column: 1 / -1; }

  html { scroll-padding-top: 88px; }
  #main-content { scroll-margin-top: 88px; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }

  .container,
  .header-inner,
  .header-rail,
  .footer-zones { padding-left: 16px; padding-right: 16px; }

  .footer-base-inner { padding-left: 16px; padding-right: 16px; }

  .rail-label { font-size: 10px; letter-spacing: .14em; }

  .brand-num { font-size: 23px; }
  .brand-name { font-size: 17px; }
  .brand-tagline { display: none; }

  .nav-toggle-label { display: none; }

  .header-actions { flex-wrap: wrap; gap: 8px; }

  .action-link { flex: 1 1 auto; justify-content: center; }

  .footer-zones { grid-template-columns: 1fr; }

  .contact-row { grid-template-columns: 1fr; gap: 2px; }

  .section-head { flex-wrap: wrap; gap: 8px 14px; }
  .section-note { margin-left: 0; flex: 1 1 100%; }

  .to-top { right: 14px; bottom: 14px; }
}

/* ---------- 15. 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }

  html { scroll-behavior: auto; }

  html[data-reveal="on"] .reveal {
    opacity: 1;
    transform: none;
  }

  .panel:hover,
  .btn:hover,
  .action-link:hover {
    transform: none;
  }
}