/* ============================================================
   竞博品牌站 · 共享外壳样式 /assets/site.css
   夜间赛场 × 复古展签：深墨黑底板 + 纵向轨道导航 + 硬投影面板
   ============================================================ */

:root {
  --ink: #0B0E13;
  --ink-2: #12161D;
  --cream: #F4EBDD;
  --red: #E1251B;
  --ember: #FF5A3C;
  --brown: #3A2A22;
  --silver: #C9D1D9;
  --cyan: #18D6D0;
  --amber: #F2B544;
  --panel: #2A313C;
  --white: #FFFFFF;

  --rail-w: 274px;
  --edge: 3px;
  --gutter: clamp(16px, 3vw, 44px);

  --font-display: "Archivo Narrow", "HarmonyOS Sans SC", "Source Han Sans SC",
    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans SC", "Source Han Sans SC", "PingFang SC",
    "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: ui-monospace, "JetBrains Mono", "IBM Plex Mono", "SFMono-Regular",
    Menlo, Consolas, monospace;

  --shadow-hard: 7px 7px 0 rgba(11, 14, 19, 0.92);
  --shadow-card: 5px 5px 0 var(--brown);
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);
}

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

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

body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.62;
  padding-inline-start: var(--rail-w);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

button { font: inherit; color: inherit; }

ul,
ol,
dl,
dd { margin: 0; padding: 0; }

/* ---------- 中文排版 ---------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 0.55em;
  color: var(--white);
  text-wrap: balance;
}

h1 { font-size: clamp(2.05rem, 4.4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.15rem); }
h3 { font-size: clamp(1.12rem, 1.6vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }

strong, b { font-weight: 800; }

::selection {
  background: var(--red);
  color: var(--white);
}

.mono {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.08em;
  font-weight: 500;
}

.lead {
  font-size: clamp(16px, 1.15vw, 18px);
  line-height: 1.7;
  color: var(--silver);
}

.stack > * + * { margin-block-start: 16px; }

/* ---------- 焦点与可选性 ---------- */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

a { color: inherit; }

.skip-link {
  position: fixed;
  inset-block-start: 8px;
  inset-inline-start: 50%;
  transform: translate(-50%, -220%);
  z-index: 999;
  padding: 10px 20px;
  background: var(--amber);
  color: var(--ink);
  font-weight: 800;
  font-size: 14px;
  text-decoration: none;
  border: 2px solid var(--ink);
  transition: transform 0.18s var(--ease);
}
.skip-link:focus {
  transform: translate(-50%, 0);
  outline-offset: 2px;
}

/* ============================================================
   轨道导航（桌面端左轨 / 移动端顶部条 + 抽屉）
   ============================================================ */
.site-rail {
  position: fixed;
  z-index: 200;
  inset-block: 0;
  inset-inline-start: 0;
  width: var(--rail-w);
  display: flex;
  flex-direction: column;
  color: var(--white);
  background:
    radial-gradient(130% 55% at 100% 0%, rgba(225, 37, 27, 0.22), rgba(11, 14, 19, 0) 62%),
    radial-gradient(90% 40% at 0% 100%, rgba(24, 214, 208, 0.10), rgba(11, 14, 19, 0) 60%),
    var(--ink);
  border-inline-end: var(--edge) solid var(--brown);
}

/* 起跑线光带 */
.site-rail::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-end: -3px;
  width: 6px;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    var(--red) 0%,
    var(--ember) 42%,
    var(--amber) 42%,
    var(--amber) 49%,
    var(--panel) 49%,
    var(--panel) 100%
  );
}

.rail-inner {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  padding: 20px 0 18px;
  overflow-y: auto;
  overscroll-behavior: contain;
}

/* ---------- 品牌锚点 ---------- */
.rail-brand {
  padding: 0 22px 18px;
  border-block-end: 1px solid rgba(201, 209, 217, 0.16);
}

.rail-brand__link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.rail-brand__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--amber);
  margin-block-end: 7px;
}

.rail-brand__name {
  display: block;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 25px;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--white);
  transition: color 0.16s var(--ease);
}
.rail-brand__link:hover .rail-brand__name { color: var(--ember); }

.rail-brand__stamp {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(201, 209, 217, 0.68);
}
.rail-brand__stamp b {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 36px;
  line-height: 0.88;
  letter-spacing: -0.04em;
  color: var(--red);
}

/* ---------- 抽屉按钮 ---------- */
.rail-toggle {
  display: none;
  align-items: center;
  gap: 9px;
  padding: 9px 13px;
  background: var(--panel);
  color: var(--white);
  border: 2px solid var(--silver);
  border-radius: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  cursor: pointer;
  transition: background-color 0.16s var(--ease), border-color 0.16s var(--ease);
}
.rail-toggle:hover { border-color: var(--ember); }

.rail-toggle__bars {
  display: inline-flex;
  flex-direction: column;
  justify-content: space-between;
  width: 16px;
  height: 12px;
}
.rail-toggle__bars i {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--ember);
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
}

.site-rail[data-open] .rail-toggle {
  background: var(--red);
  border-color: var(--red);
}
.site-rail[data-open] .rail-toggle__bars i { background: var(--white); }
.site-rail[data-open] .rail-toggle__bars i:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.site-rail[data-open] .rail-toggle__bars i:nth-child(2) { opacity: 0; }
.site-rail[data-open] .rail-toggle__bars i:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- 导航 ---------- */
.rail-nav {
  padding: 14px 0 10px;
}

.rail-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rail-nav__item + .rail-nav__item { margin-block-start: 2px; }

.rail-nav__link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 22px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--silver);
  text-decoration: none;
  border-inline-start: 4px solid transparent;
  transition: color 0.16s var(--ease), background-color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}

.rail-nav__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  min-width: 20px;
  color: rgba(201, 209, 217, 0.52);
  transition: color 0.16s var(--ease);
}

.rail-nav__link:hover {
  color: var(--white);
  background: rgba(42, 49, 60, 0.82);
  border-inline-start-color: var(--ember);
}
.rail-nav__link:hover .rail-nav__idx { color: var(--amber); }

.rail-nav__link[aria-current="page"] {
  color: var(--white);
  background: linear-gradient(90deg, rgba(225, 37, 27, 0.32), rgba(225, 37, 27, 0) 82%);
  border-inline-start-color: var(--red);
}
.rail-nav__link[aria-current="page"] .rail-nav__idx { color: var(--amber); }

/* ---------- 轨道底部 ---------- */
.rail-foot {
  margin-block-start: auto;
  padding: 16px 22px 0;
  border-block-start: 1px solid rgba(201, 209, 217, 0.16);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rail-cta {
  width: 100%;
  padding: 11px 14px;
  font-size: 13.5px;
  box-shadow: 4px 4px 0 rgba(242, 181, 68, 0.82);
}
.rail-cta:hover { box-shadow: 6px 6px 0 rgba(242, 181, 68, 0.82); }

.rail-foot__note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  line-height: 1.5;
  color: rgba(201, 209, 217, 0.58);
}

/* ============================================================
   按钮
   ============================================================ */
.btn {
  --btn-bg: var(--red);
  --btn-fg: var(--white);
  --btn-bd: var(--red);
  --btn-sh: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  font-family: var(--font-body);
  font-size: 14.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  color: var(--btn-fg);
  background: var(--btn-bg);
  border: 2px solid var(--btn-bd);
  border-radius: 0;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--btn-sh);
  transition: transform 0.16s var(--ease), box-shadow 0.16s var(--ease),
    background-color 0.16s var(--ease), color 0.16s var(--ease),
    border-color 0.16s var(--ease);
}
.btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0 var(--btn-sh);
}
.btn:active {
  transform: translate(2px, 2px);
  box-shadow: 1px 1px 0 var(--btn-sh);
}

.btn--primary {
  --btn-bg: var(--red);
  --btn-fg: var(--white);
  --btn-bd: var(--red);
}

.btn--ghost {
  --btn-bg: transparent;
  --btn-fg: var(--cream);
  --btn-bd: var(--silver);
  --btn-sh: rgba(255, 90, 60, 0.45);
  box-shadow: none;
}
.btn--ghost:hover {
  --btn-bd: var(--ember);
  --btn-fg: var(--white);
  box-shadow: 4px 4px 0 rgba(255, 90, 60, 0.4);
}

.btn--cyan {
  --btn-bg: var(--cyan);
  --btn-fg: var(--ink);
  --btn-bd: var(--cyan);
  --btn-sh: rgba(10, 127, 123, 0.9);
}

.btn--block { width: 100%; }

/* ============================================================
   展签 / 标签 / 分隔线
   ============================================================ */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  line-height: 1.4;
  text-transform: uppercase;
  background: var(--brown);
  color: var(--cream);
  border: 1px solid var(--brown);
}
.tag--red {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}
.tag--amber {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
}
.tag--cyan {
  background: var(--cyan);
  border-color: var(--cyan);
  color: var(--ink);
}

.eyebrow {
  margin: 0 0 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.rule {
  position: relative;
  height: var(--edge);
  border: 0;
  margin: 28px 0;
  background: rgba(201, 209, 217, 0.22);
}
.rule::after {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 96px;
  background: var(--red);
}

.dot-live {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ember);
  box-shadow: 0 0 0 0 rgba(255, 90, 60, 0.65);
  animation: dotPulse 2.4s ease-out infinite;
}
@keyframes dotPulse {
  70% { box-shadow: 0 0 0 7px rgba(255, 90, 60, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 90, 60, 0); }
}

/* ============================================================
   面板 / 布局容器 / 栅格
   ============================================================ */
.page-shell {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding: clamp(20px, 3vw, 42px) var(--gutter) clamp(48px, 6vw, 88px);
}

.section { margin-block-start: clamp(32px, 5vw, 64px); }
.section:first-child { margin-block-start: 0; }

.section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px 22px;
  margin-block-end: 22px;
  padding-block-end: 14px;
  border-block-end: 1px solid rgba(201, 209, 217, 0.18);
}
.section__head > * { margin-block-end: 0; }

.panel {
  background: var(--cream);
  color: var(--brown);
  border: var(--edge) solid var(--brown);
  box-shadow: var(--shadow-hard);
  padding: clamp(18px, 2.4vw, 30px);
}
.panel h1,
.panel h2,
.panel h3,
.panel h4 { color: var(--brown); }
.panel a {
  color: var(--red);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.panel a:hover { color: var(--brown); }
.panel .eyebrow { color: var(--brown); opacity: 0.72; }
.panel .lead { color: rgba(58, 42, 34, 0.82); }

.panel--dark {
  background: var(--panel);
  color: var(--cream);
  border-color: var(--brown);
}
.panel--dark h1,
.panel--dark h2,
.panel--dark h3,
.panel--dark h4 { color: var(--white); }
.panel--dark a { color: var(--cyan); }
.panel--dark a:hover { color: var(--ember); }
.panel--dark .eyebrow { color: var(--amber); opacity: 1; }
.panel--dark .lead { color: var(--silver); }

.grid {
  display: grid;
  gap: clamp(16px, 2vw, 26px);
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(214px, 1fr)); }
.grid--rail { grid-template-columns: minmax(0, 1fr); }
@media (min-width: 1080px) {
  .grid--rail { grid-template-columns: minmax(0, 1fr) 304px; align-items: start; }
}

/* ============================================================
   图片容器（页面阶段放置占位）
   ============================================================ */
.figure {
  position: relative;
  margin: 0;
  background: var(--panel);
  border: var(--edge) solid var(--brown);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.figure__media {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background:
    linear-gradient(140deg, #141922 0%, #2A313C 55%, #1B222C 100%);
}

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

.figure__media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image:
    linear-gradient(90deg, rgba(24, 214, 208, 0.18) 1px, rgba(24, 214, 208, 0) 1px),
    linear-gradient(180deg, rgba(24, 214, 208, 0.18) 1px, rgba(24, 214, 208, 0) 1px);
  background-size: 28px 28px;
  mix-blend-mode: screen;
}

.figure--wide .figure__media { aspect-ratio: 21 / 9; }
.figure--tall .figure__media { aspect-ratio: 4 / 5; }

.figure__caption {
  display: block;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--silver);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.1em;
  line-height: 1.5;
  border-block-start: 2px solid var(--red);
}

/* ============================================================
   面包屑
   ============================================================ */
.crumbs { margin: 0 0 22px; }

.crumbs__list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 8px;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
}
.crumbs__list li {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(201, 209, 217, 0.56);
}
.crumbs__list li + li::before {
  content: "/";
  color: var(--ember);
}
.crumbs__list a {
  color: var(--silver);
  text-decoration: none;
  transition: color 0.16s var(--ease);
}
.crumbs__list a:hover { color: var(--cyan); }
.crumbs__list [aria-current="page"] { color: var(--amber); }

/* ============================================================
   页脚
   ============================================================ */
.site-foot {
  position: relative;
  background: var(--ink);
  color: var(--silver);
  border-block-start: var(--edge) solid var(--brown);
}

.site-foot::before {
  content: "";
  display: block;
  height: 6px;
  background: linear-gradient(
    90deg,
    var(--red) 0 176px,
    var(--amber) 176px 254px,
    var(--panel) 254px 100%
  );
}

.foot-inner {
  max-width: 1200px;
  margin-inline: auto;
  padding: clamp(30px, 4vw, 56px) var(--gutter) 26px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.05fr 1.35fr 0.85fr;
  gap: clamp(24px, 3vw, 48px);
  align-items: start;
}

/* 品牌列 */
.foot-brand__tag {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--amber);
}
.foot-brand__name {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(24px, 2.6vw, 34px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--white);
}
.foot-brand__desc {
  margin: 0;
  max-width: 34ch;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

/* 通用栏目标题 */
.foot-title {
  margin: 0 0 14px;
  padding-block-end: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.22em;
  color: var(--amber);
  border-block-end: 1px solid rgba(201, 209, 217, 0.18);
}

/* 联系数据表 */
.foot-panel {
  padding-inline-start: clamp(0px, 2vw, 26px);
  border-inline-start: 1px solid rgba(201, 209, 217, 0.14);
}

.foot-data { display: grid; gap: 10px; }

.foot-data__row {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}
.foot-data__row dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: rgba(201, 209, 217, 0.55);
}
.foot-data__row dd {
  font-size: 14px;
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
}

.foot-note {
  margin: 16px 0 0;
  padding-inline-start: 11px;
  border-inline-start: 2px solid var(--red);
  font-size: 12.5px;
  line-height: 1.66;
  color: rgba(201, 209, 217, 0.62);
}

/* 站点指引 */
.foot-links__list {
  list-style: none;
  display: grid;
  gap: 2px;
  margin: 0 0 20px;
  padding: 0;
}
.foot-links__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--silver);
  text-decoration: none;
  border-block-end: 1px dashed rgba(201, 209, 217, 0.16);
  transition: color 0.16s var(--ease), padding-inline-start 0.16s var(--ease);
}
.foot-links__list a::before {
  content: "\203A";
  font-family: var(--font-mono);
  color: var(--ember);
}
.foot-links__list a:hover {
  color: var(--white);
  padding-inline-start: 6px;
}

.foot-cta { width: 100%; }

/* 页脚基座 */
.foot-base {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  margin-block-start: clamp(28px, 4vw, 48px);
  padding-block-start: 18px;
  border-block-start: 1px solid rgba(201, 209, 217, 0.16);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: rgba(201, 209, 217, 0.55);
}
.foot-base__icp {
  margin: 0;
  color: var(--silver);
}
.foot-base__copy { margin: 0; }

/* ============================================================
   阅读进度条（由 JS 注入 body）
   ============================================================ */
.scroll-meter {
  position: fixed;
  z-index: 300;
  inset-block-start: 0;
  inset-inline-start: var(--rail-w);
  inset-inline-end: 0;
  height: 3px;
  background: rgba(42, 49, 60, 0.6);
  pointer-events: none;
}
.scroll-meter__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--ember) 60%, var(--amber));
  transition: width 0.1s linear;
}

/* ============================================================
   响应式 · 平板 / 窄桌面
   ============================================================ */
@media (max-width: 1180px) and (min-width: 981px) {
  :root { --rail-w: 240px; }
  .rail-brand { padding-inline: 18px; }
  .rail-nav__link { padding-inline: 18px; }
  .rail-foot { padding-inline: 18px; }
}

/* ============================================================
   响应式 · 移动端（≤980px：轨道转顶部吸附 + 抽屉）
   ============================================================ */
@media (max-width: 980px) {
  :root { --rail-w: 0px; }

  html { scroll-padding-block-start: 76px; }

  body { padding-inline-start: 0; }

  .site-rail {
    position: sticky;
    inset-block-start: 0;
    inset-block-end: auto;
    inset-inline-start: 0;
    width: 100%;
    border-inline-end: 0;
    border-block-end: var(--edge) solid var(--brown);
    background: var(--ink);
  }
  .site-rail::before { display: none; }

  .rail-inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 14px;
    overflow: visible;
  }

  .rail-brand {
    display: flex;
    align-items: baseline;
    gap: 10px;
    padding: 0;
    border: 0;
  }
  .rail-brand__tag { display: none; }
  .rail-brand__name { font-size: 18px; }
  .rail-brand__stamp { margin: 0; font-size: 9px; }
  .rail-brand__stamp span { display: none; }
  .rail-brand__stamp b { font-size: 20px; }

  .rail-toggle { display: inline-flex; }

  .rail-nav {
    position: absolute;
    inset-block-start: 100%;
    inset-inline: 0;
    display: none;
    padding: 6px 0 14px;
    background: #0F131A;
    border-block-end: var(--edge) solid var(--red);
    box-shadow: 0 24px 42px rgba(0, 0, 0, 0.62);
    max-height: calc(100vh - 62px);
    overflow-y: auto;
  }
  .site-rail[data-open] .rail-nav { display: block; }

  .rail-nav__link {
    padding: 13px 18px;
    font-size: 15.5px;
  }

  .rail-foot { display: none; }

  .foot-grid { grid-template-columns: 1fr 1fr; }
  .foot-panel {
    grid-column: 1 / -1;
    padding-inline-start: 0;
    padding-block-start: 22px;
    border-inline-start: 0;
    border-block-start: 1px solid rgba(201, 209, 217, 0.14);
  }

  .scroll-meter {
    inset-block-start: auto;
    inset-block-end: 0;
    inset-inline-start: 0;
    height: 3px;
  }
}

@media (max-width: 620px) {
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
  .foot-panel {
    grid-column: auto;
    padding-block-start: 0;
    border-block-start: 0;
  }
  .foot-base {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
  .panel { box-shadow: 5px 5px 0 rgba(11, 14, 19, 0.92); }
}

/* ============================================================
   降低动效
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  .btn,
  .rail-nav__link,
  .rail-nav__idx,
  .rail-brand__name,
  .rail-toggle,
  .rail-toggle__bars i,
  .foot-links__list a,
  .crumbs__list a,
  .skip-link,
  .scroll-meter__fill {
    transition: none !important;
  }

  .btn:hover,
  .btn:active { transform: none; }

  .dot-live { animation: none; }
}

/* ============================================================
   打印
   ============================================================ */
@media print {
  .site-rail,
  .site-foot::before,
  .scroll-meter { display: none !important; }
  body {
    padding-inline-start: 0;
    background: #fff;
    color: #111;
  }
  .panel {
    box-shadow: none;
    border: 1px solid #999;
  }
}