/* ============================================================
   竞博竞技 JBO Sports China — 全站共享样式
   设计概念：赛道帧 / 赛事刊头 / 仪表板式信息密度
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root {
  --color-bg: #0B0E14;
  --color-bg-alt: #141A2A;
  --color-card: #1A2333;
  --color-blue: #00A8FF;
  --color-red: #FF2E3F;
  --color-gold: #FFD700;
  --color-text: #E8EAF6;
  --color-dim: #9AA5B1;
  --color-border: #2A3454;
  --color-glow: rgba(0, 168, 255, 0.15);

  --grad-bg: linear-gradient(135deg, #0B0E14 0%, #141A2A 100%);
  --grad-accent: linear-gradient(90deg, var(--color-blue), var(--color-red));
  --grad-rail: linear-gradient(180deg, var(--color-blue), var(--color-red));

  --font-display: "Archivo", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "Roboto Mono", "SFMono-Regular", "Menlo", Consolas, monospace;

  --content-max: 75rem;
  --gutter: clamp(1rem, 3.2vw, 2.5rem);
  --rail-w: 3rem;
}

/* ---------- 2. 重置与基础 ---------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 8rem;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--color-blue);
  text-decoration: none;
  transition: color 0.18s ease;
}

a:hover {
  color: var(--color-gold);
}

ul, ol {
  list-style: none;
}

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

::selection {
  background: rgba(0, 168, 255, 0.32);
  color: var(--color-text);
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 3. 全局布局与轨道 ---------- */
.container-wide {
  width: 100%;
  max-width: var(--content-max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

@media (min-width: 75rem) {
  body {
    padding-left: var(--rail-w);
  }
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 50%;
  z-index: 300;
  padding: 0.5rem 1rem;
  background: var(--color-blue);
  color: #04121C;
  font-weight: 700;
  font-size: 0.8125rem;
  letter-spacing: 0.1em;
  box-shadow: 0 4px 18px rgba(0, 168, 255, 0.35);
  transform: translate(-50%, -240%);
}

.skip-link:focus {
  transform: translate(-50%, 0);
}

/* 品牌轨道：左侧固定刻度条，兼作滚动进度 */
.brand-rail {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 60;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  width: var(--rail-w);
  padding-block: 1.25rem 0.875rem;
  background:
    linear-gradient(180deg, rgba(0, 168, 255, 0.06), transparent 34%),
    var(--color-bg);
  border-inline-end: 1px solid var(--color-border);
}

@media (min-width: 75rem) {
  .brand-rail {
    display: flex;
  }
}

.rail-label {
  writing-mode: vertical-rl;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.rail-track {
  position: relative;
  flex: 1;
  width: 2px;
  min-height: 4rem;
  background: var(--color-border);
}

.rail-track::before,
.rail-track::after {
  content: "";
  position: absolute;
  left: -3px;
  width: 8px;
  height: 8px;
  border-left: 1px solid var(--color-border);
}

.rail-track::before {
  top: -1px;
  border-top: 1px solid var(--color-border);
}

.rail-track::after {
  bottom: -1px;
  border-bottom: 1px solid var(--color-border);
}

.rail-fill {
  position: absolute;
  inset: 0;
  background: var(--grad-rail);
  transform: scaleY(0);
  transform-origin: top;
}

.rail-meta {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--color-gold);
}

/* ---------- 4. 头部：赛事刊头 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 14, 20, 0.96);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

/* 顶栏数据行 */
.header-topline {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.topline-inner {
  min-height: 2.125rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.topline-locale,
.topline-version {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.topline-locale {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.topline-locale::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-red);
  box-shadow: 0 0 10px rgba(255, 46, 63, 0.7);
}

.topline-version {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
}

.topline-version-label {
  color: var(--color-dim);
}

.topline-version-value {
  color: var(--color-gold);
  font-weight: 700;
  font-size: 0.75rem;
}

.topline-version:hover .topline-version-value {
  color: var(--color-blue);
}

/* 中部刊头 */
.header-masthead {
  padding-block: 1.125rem;
}

.masthead-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1.5rem;
}

.masthead-edition {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.edition-mark {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.edition-num {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-red);
}

.masthead-tools {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.875rem;
}

.tool-link {
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--color-border);
  background: rgba(26, 35, 51, 0.6);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-dim);
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.tool-link:hover {
  color: var(--color-blue);
  border-color: var(--color-blue);
  background: rgba(0, 168, 255, 0.08);
}

/* 品牌组合 */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 0.875rem;
  justify-self: center;
}

.brand-sigil {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3rem;
  height: 3rem;
  background: linear-gradient(135deg, var(--color-red), #8F1626);
  color: #fff;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  box-shadow: 4px 4px 0 rgba(255, 46, 63, 0.22);
  transition: box-shadow 0.18s ease;
}

.brand-sigil::before {
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px dashed rgba(255, 255, 255, 0.32);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  line-height: 1.1;
}

.brand-cn {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  color: var(--color-text);
  transition: color 0.18s ease;
}

.brand-en {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.brand-lockup:hover .brand-sigil {
  box-shadow: 4px 4px 0 rgba(0, 168, 255, 0.25);
}

.brand-lockup:hover .brand-cn {
  color: var(--color-blue);
}

/* 导航条 */
.header-navbar {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.nav-inner {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.25rem;
}

.site-nav {
  display: flex;
  align-items: stretch;
}

.nav-list {
  display: flex;
  align-items: stretch;
  flex-wrap: wrap;
}

.nav-item {
  position: relative;
  display: flex;
}

.nav-item + .nav-item::before {
  content: "";
  align-self: stretch;
  width: 1px;
  background: var(--color-border);
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.15rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text);
  transition: color 0.18s ease, background-color 0.18s ease;
}

.nav-index {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.06em;
  color: var(--color-dim);
  transition: color 0.18s ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0;
  height: 2px;
  background: var(--grad-accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.22s ease;
}

.nav-link:hover {
  color: var(--color-blue);
  background: rgba(0, 168, 255, 0.05);
}

.nav-link:hover::after {
  transform: scaleX(1);
}

.nav-link:hover .nav-index {
  color: var(--color-blue);
}

.nav-link[aria-current="page"] {
  color: #fff;
  background: rgba(0, 168, 255, 0.07);
}

.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-link[aria-current="page"] .nav-index {
  color: var(--color-gold);
}

.nav-utility {
  display: none;
  align-items: center;
  gap: 0.5rem;
  padding-inline: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-dim);
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-blue);
  box-shadow: 0 0 8px rgba(0, 168, 255, 0.6);
}

.status-text {
  display: inline-flex;
  align-items: center;
}

@media (min-width: 56.25rem) {
  .nav-utility {
    display: inline-flex;
  }
}

/* 移动导航按钮 */
.nav-toggle {
  display: none;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem 0.875rem;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.nav-toggle-label {
  display: inline-flex;
  align-items: center;
}

.nav-toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 4px;
  width: 1.125rem;
}

.nav-toggle-bars i {
  display: block;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle:hover {
  color: var(--color-blue);
  border-color: var(--color-blue);
  background: rgba(0, 168, 255, 0.06);
}

.nav-toggle[aria-expanded="true"] {
  color: var(--color-red);
  border-color: var(--color-red);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bars i:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* 移动端断点 */
@media (max-width: 56.249rem) {
  html {
    scroll-padding-top: 7rem;
  }

  .header-topline {
    display: none;
  }

  .masthead-inner {
    grid-template-columns: auto 1fr;
  }

  .masthead-edition {
    display: none;
  }

  .brand-lockup {
    justify-self: start;
  }

  .brand-sigil {
    width: 2.625rem;
    height: 2.625rem;
    font-size: 0.8125rem;
  }

  .brand-cn {
    font-size: 1.25rem;
    letter-spacing: 0.08em;
  }

  .brand-en {
    font-size: 0.5rem;
    letter-spacing: 0.26em;
  }

  .masthead-tools {
    gap: 0.5rem;
  }

  .tool-link {
    display: none;
  }

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

  .header-navbar {
    position: relative;
  }

  .nav-inner {
    min-height: 0;
  }

  .site-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: block;
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 28px 48px rgba(0, 0, 0, 0.45);
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-0.5rem);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .site-nav[data-open] {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
  }

  .nav-item + .nav-item::before {
    display: none;
  }

  .nav-item {
    border-top: 1px solid var(--color-border);
  }

  .nav-link {
    width: 100%;
    padding: 1rem 1.25rem;
  }

  .nav-utility {
    display: none !important;
  }
}

/* ---------- 5. 通用区块组件 ---------- */
.section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 0.875rem 1.5rem;
  margin-block-end: 2rem;
  padding-block-end: 1rem;
  border-bottom: 1px solid var(--color-border);
}

.section-kicker {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-blue);
  margin-bottom: 0.625rem;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.section-index {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-gold);
}

/* 内页页眉 */
.page-head {
  padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(1.5rem, 3vw, 2.5rem);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(ellipse at 70% 20%, rgba(0, 168, 255, 0.08), transparent 55%),
    var(--color-bg);
}

.page-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-red);
}

.page-kicker::before {
  content: "";
  width: 2.25rem;
  height: 2px;
  background: var(--color-red);
}

.page-head h1 {
  margin-top: 0.875rem;
  max-width: 32ch;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: 0.02em;
  color: #fff;
}

.page-lead {
  margin-top: 1rem;
  max-width: 46rem;
  font-size: 1.0625rem;
  color: var(--color-dim);
}

/* 栅格 */
.grid {
  display: grid;
  gap: var(--gap, 1.5rem);
}

.grid--2,
.grid--3 {
  grid-template-columns: 1fr;
}

@media (min-width: 37.5rem) {
  .grid--2,
  .grid--3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 64rem) {
  .grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

/* 卡片 */
.card {
  position: relative;
  padding: 1.5rem;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.card::before,
.card::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
}

.card::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--color-blue);
  border-left: 2px solid var(--color-blue);
}

.card::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--color-red);
  border-right: 2px solid var(--color-red);
}

.card:hover {
  border-color: rgba(0, 168, 255, 0.6);
  transform: translateY(-2px);
}

/* 框景容器 */
.frame-window {
  position: relative;
  padding: clamp(1.25rem, 3vw, 2.25rem);
  background:
    repeating-linear-gradient(180deg, transparent 0 9px, rgba(255, 255, 255, 0.025) 9px 10px),
    linear-gradient(135deg, var(--color-bg), var(--color-bg-alt));
  border: 1px solid var(--color-border);
}

.frame-window::before,
.frame-window::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  pointer-events: none;
}

.frame-window::before {
  top: -1px;
  left: -1px;
  border-top: 3px solid var(--color-blue);
  border-left: 3px solid var(--color-blue);
}

.frame-window::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 3px solid var(--color-red);
  border-right: 3px solid var(--color-red);
}

/* 媒体占位容器 */
.media-frame {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(135deg, rgba(0, 168, 255, 0.14), rgba(255, 46, 63, 0.06)),
    repeating-linear-gradient(90deg, transparent 0 29px, rgba(255, 255, 255, 0.035) 29px 30px),
    var(--color-card);
  border: 1px solid var(--color-border);
}

.media-frame::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(180deg, transparent 0 19px, rgba(255, 255, 255, 0.03) 19px 20px),
    linear-gradient(180deg, transparent 40%, rgba(11, 14, 20, 0.55));
  pointer-events: none;
}

.media-frame::after {
  content: attr(data-label);
  position: absolute;
  left: 0.875rem;
  bottom: 0.625rem;
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--color-dim);
  pointer-events: none;
}

.media-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.media-frame--hero {
  aspect-ratio: 21 / 9;
}

.media-frame--square {
  aspect-ratio: 1 / 1;
}

.media-frame--portrait {
  aspect-ratio: 3 / 4;
}

@media (max-width: 37.5rem) {
  .media-frame--hero {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 6. 按钮与链接 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.8125rem 1.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
}

.btn:hover {
  color: var(--color-blue);
  border-color: var(--color-blue);
  box-shadow: inset 0 0 0 1px rgba(0, 168, 255, 0.25);
}

.btn-primary {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: #04121C;
}

.btn-primary:hover {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: #0B0E14;
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.18);
}

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

.btn-ghost:hover {
  color: var(--color-text);
  border-color: var(--color-dim);
  background: rgba(255, 255, 255, 0.02);
}

.btn-arrow::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 1.0625rem;
  line-height: 1;
}

.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-blue);
}

.link-btn::after {
  content: "→";
  font-family: var(--font-mono);
  transition: translate 0.18s ease;
}

.link-btn:hover {
  color: var(--color-gold);
}

.link-btn:hover::after {
  translate: 0.25rem 0;
}

/* ---------- 7. 标签、角标与分隔线 ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3125rem 0.75rem;
  border: 1px solid var(--color-border);
  background: var(--color-bg-alt);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.chip::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: none;
  background: var(--color-border);
}

.chip--red {
  color: var(--color-red);
  border-color: rgba(255, 46, 63, 0.45);
  background: rgba(255, 46, 63, 0.07);
}

.chip--blue {
  color: var(--color-blue);
  border-color: rgba(0, 168, 255, 0.45);
  background: rgba(0, 168, 255, 0.07);
}

.chip--gold {
  color: var(--color-gold);
  border-color: rgba(255, 215, 0, 0.4);
  background: rgba(255, 215, 0, 0.06);
}

.chip--red::before {
  background: var(--color-red);
}

.chip--blue::before {
  background: var(--color-blue);
}

.chip--gold::before {
  background: var(--color-gold);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-dim);
}

.tag::before {
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--color-red);
  box-shadow: 0 0 0 3px rgba(255, 46, 63, 0.18);
}

.tag--blue::before {
  background: var(--color-blue);
  box-shadow: 0 0 0 3px rgba(0, 168, 255, 0.18);
}

.tag--gold::before {
  background: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.16);
}

.slash-label {
  display: inline-block;
  padding: 0.3125rem 0.6875rem;
  background: rgba(255, 46, 63, 0.1);
  border-inline-end: 3px solid var(--color-red);
  transform: skewX(-14deg);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-red);
}

.slash-label > * {
  display: inline-block;
  transform: skewX(14deg);
}

.dataflow {
  height: 1px;
  border: 0;
  background: repeating-linear-gradient(90deg, var(--color-blue) 0 10px, transparent 10px 22px, var(--color-red) 22px 30px, transparent 30px 42px);
  opacity: 0.4;
}

/* ---------- 8. 面包屑与正文 ---------- */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
  padding-block: 0.875rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--color-dim);
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-border);
}

.breadcrumbs a {
  color: var(--color-dim);
}

.breadcrumbs a:hover {
  color: var(--color-blue);
}

.breadcrumbs [aria-current="page"] {
  color: var(--color-gold);
  font-weight: 700;
}

.prose {
  max-width: 46rem;
}

.prose > * + * {
  margin-block-start: 1.1em;
}

.prose h2,
.prose h3,
.prose h4 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.25;
  color: var(--color-text);
}

.prose h2 {
  font-size: clamp(1.375rem, 3vw, 1.875rem);
  margin-block-start: 2em;
  padding-block-start: 0.875em;
  border-top: 2px solid var(--color-border);
}

.prose p {
  color: var(--color-text);
}

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

.prose em {
  color: var(--color-blue);
}

.prose ul,
.prose ol {
  padding-inline-start: 1.25rem;
}

.prose ul {
  list-style: square;
}

.prose ol {
  list-style: decimal;
}

.prose li {
  margin-block: 0.35em;
}

.prose li::marker {
  color: var(--color-gold);
}

.prose a {
  text-decoration: underline;
  text-decoration-color: rgba(0, 168, 255, 0.5);
  text-underline-offset: 4px;
}

.prose blockquote {
  margin-block: 1.5em;
  padding: 1rem 1.25rem;
  border-inline-start: 3px solid var(--color-blue);
  background: var(--color-bg-alt);
  color: var(--color-dim);
}

.prose code {
  padding: 0.1em 0.4em;
  border: 1px solid rgba(255, 215, 0, 0.18);
  background: rgba(255, 215, 0, 0.07);
  font-family: var(--font-mono);
  font-size: 0.875em;
  color: var(--color-gold);
}

/* ---------- 9. 仪表板数据 ---------- */
.telemetry {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.5rem, 1fr));
  gap: 1.25rem;
  padding-block: 0.875rem;
  border-block: 1px solid var(--color-border);
  background: linear-gradient(135deg, rgba(0, 168, 255, 0.05), transparent 45%);
}

.metric {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding-inline-end: 1rem;
}

.metric-value {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 2.6vw, 2.125rem);
  font-weight: 800;
  line-height: 1;
  color: var(--color-gold);
}

.metric-value small {
  margin-inline-start: 0.25rem;
  font-size: 0.6em;
  font-weight: 500;
  color: var(--color-dim);
}

.metric-label {
  font-size: 0.6875rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-dim);
}

/* ---------- 10. 清单 ---------- */
.list-dash {
  display: grid;
  gap: 0.625rem;
}

.list-dash li {
  position: relative;
  padding-inline-start: 1.5rem;
  font-size: 0.9375rem;
  color: var(--color-text);
}

.list-dash li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 1rem;
  height: 2px;
  background: var(--color-red);
}

/* ---------- 11. 页脚 ---------- */
.site-footer {
  background: var(--color-bg);
  color: var(--color-dim);
}

.footer-scoreline {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.75rem var(--gutter);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-bg-alt), var(--color-bg));
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-dim);
  text-align: center;
}

.footer-scoreline i {
  font-style: normal;
  color: var(--color-red);
}

.footer-scoreline span:first-child {
  color: var(--color-blue);
  font-weight: 700;
}

.footer-inner {
  display: grid;
  gap: 2.5rem;
  padding-block: 3.25rem 2.25rem;
}

@media (min-width: 40rem) {
  .footer-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (min-width: 64rem) {
  .footer-inner {
    grid-template-columns: 1.5fr 1fr 1.2fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.1em;
  color: var(--color-text);
  transition: color 0.18s ease;
}

.footer-logo small {
  margin-top: 0.25rem;
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.34em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.footer-logo:hover {
  color: var(--color-blue);
}

.footer-tagline {
  margin-top: 1rem;
  font-size: 0.9375rem;
  letter-spacing: 0.04em;
  color: var(--color-text);
}

.footer-trust {
  margin-top: 0.75rem;
  max-width: 26rem;
  font-size: 0.8125rem;
  line-height: 1.9;
}

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

.footer-heading {
  margin-bottom: 1.125rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-blue);
}

.footer-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.25rem 1rem;
}

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

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3125rem 0;
  font-size: 0.875rem;
  color: var(--color-dim);
  transition: color 0.18s ease;
}

.footer-links a::before {
  content: "›";
  font-family: var(--font-mono);
  font-size: 0.625rem;
  color: var(--color-border);
  transition: color 0.18s ease, translate 0.18s ease;
}

.footer-links a:hover {
  color: var(--color-blue);
}

.footer-links a:hover::before {
  color: var(--color-red);
  translate: 0.25rem 0;
}

.footer-contact {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.125rem;
  font-size: 0.8125rem;
}

.contact-line {
  display: flex;
  align-items: baseline;
  gap: 0.625rem;
  color: var(--color-dim);
}

.contact-line::before {
  content: "";
  flex: none;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-gold);
}

.contact-note {
  font-size: 0.75rem;
}

.contact-note::before {
  background: var(--color-blue);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-alt);
}

.footer-bottom-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  padding-block: 1rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-dim);
}

.footer-icp {
  letter-spacing: 0.2em;
  color: var(--color-gold);
}