/* ==========================================================================
   视讯网投会馆 · 共享样式 /assets/site.css
   夜间控制台 · 技术蓝图网格 · 切角面板 · 青金功能色
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--rail-h) + var(--header-h) + 16px);
}

body,
h1, h2, h3, h4, h5, p, ul, ol, dl, dd, figure, blockquote, pre { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
table { border-collapse: collapse; }
p { text-wrap: pretty; }

/* 2. Tokens --------------------------------------------------------------- */
:root {
  --ink-950: #040B14;
  --ink-900: #071525;
  --ink-800: #0C2238;
  --ink-700: #12304A;
  --line: #1E405C;
  --cyan: #2DE2E6;
  --cyan-soft: #A8F4F2;
  --gold: #F4B942;
  --gold-soft: #FFD98A;
  --violet: #8E7CC3;
  --gray: #C9C3B8;
  --paper: #F4FAFF;

  --rail-h: 26px;
  --header-h: 66px;
  --gutter: 24px;
  --maxw: 1240px;
  --cut: 14px;

  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono",
    "Courier New", monospace;
  --ease: cubic-bezier(.2, .6, .2, 1);
}

/* 3. 中文排版基础 --------------------------------------------------------- */
body {
  background-color: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 { font-weight: 800; line-height: 1.2; letter-spacing: -.015em; }
h1 { font-size: clamp(30px, 4.4vw, 56px); }
h2 { font-size: clamp(24px, 3.2vw, 40px); }
h3 { font-size: clamp(19px, 2.2vw, 26px); }
h4 { font-size: 18px; }
strong, b { font-weight: 700; }
small { font-size: 12.5px; }

::selection { background: rgba(45, 226, 230, .28); color: var(--paper); }

main { display: block; padding-top: calc(var(--rail-h) + var(--header-h)); }
main.vx-underlay { padding-top: 0; }

/* 4. 焦点与可访问性 ------------------------------------------------------- */
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 2px; }
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.vx-skip {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 2000;
  padding: 12px 18px;
  background: var(--cyan);
  color: #04202a;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  transform: translateY(-130%);
  transition: transform .18s var(--ease);
}

.vx-skip:focus,
.vx-skip:focus-visible { transform: translateY(0); outline-offset: -4px; }

/* 5. 页头 ---------------------------------------------------------------- */
.vx-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  color: var(--paper);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.vx-header::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(4, 11, 20, .88) 0%, rgba(4, 11, 20, .42) 58%, rgba(4, 11, 20, 0) 100%);
}

.vx-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: rgba(7, 21, 37, .97);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 18px 36px -28px rgba(0, 0, 0, .95);
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.vx-header[data-state="solid"]::after { opacity: 1; }

.vx-header__rail {
  position: relative;
  z-index: 1;
  height: var(--rail-h);
  border-bottom: 1px solid rgba(30, 64, 92, .55);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(201, 195, 184, .74);
}

.vx-header__railinner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  height: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.vx-rail__state {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--cyan-soft);
  white-space: nowrap;
}

.vx-rail__coord,
.vx-rail__time { white-space: nowrap; }
.vx-rail__time { color: rgba(244, 185, 66, .82); }

.vx-header__main { position: relative; z-index: 1; }

.vx-header__inner {
  display: flex;
  align-items: center;
  gap: clamp(10px, 1.8vw, 26px);
  height: var(--header-h);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 品牌 */
.vx-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: 0 0 auto;
  min-height: 44px;
}

.vx-brand__mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: #032029;
  background: linear-gradient(150deg, var(--cyan) 0%, #17a8ac 100%);
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}

.vx-brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.vx-brand__label { font-size: 15px; font-weight: 800; letter-spacing: .02em; color: var(--paper); }
.vx-brand__meta {
  margin-top: 4px;
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: .2em;
  color: rgba(168, 244, 242, .7);
}

/* 主导航 */
.vx-nav { margin-left: auto; }

.vx-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1px, 1vw, 12px);
}

.vx-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 10px;
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .01em;
  color: rgba(244, 250, 255, .74);
  border-radius: 2px;
  transition: color .16s var(--ease), background-color .16s var(--ease);
}

.vx-nav__link::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: 9px;
  height: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform .18s var(--ease);
}

.vx-nav__link:hover { color: var(--paper); background: rgba(45, 226, 230, .07); }
.vx-nav__link:hover::after { transform: scaleX(.45); }
.vx-nav__link[aria-current="page"] { color: var(--cyan); }
.vx-nav__link[aria-current="page"]::after { transform: scaleX(1); }

.vx-nav__note { display: none; }

/* 右侧动作 */
.vx-utils {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.vx-util {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  color: rgba(244, 250, 255, .84);
  border: 1px solid var(--line);
  border-radius: 2px;
  clip-path: polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.vx-util--lang {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  color: var(--cyan-soft);
  border-color: rgba(45, 226, 230, .38);
  background: rgba(45, 226, 230, .08);
}

.vx-util--ghost { background: transparent; }
.vx-util--ghost:hover { color: var(--paper); border-color: var(--cyan); background: rgba(45, 226, 230, .1); }

.vx-util--solid {
  color: #04202a;
  font-weight: 700;
  background: var(--cyan);
  border-color: var(--cyan);
}
.vx-util--solid:hover { background: var(--cyan-soft); border-color: var(--cyan-soft); }

.vx-util:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--ink-950), inset 0 0 0 3px var(--cyan);
}

/* 移动导航按钮 */
.vx-navtoggle {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(12, 34, 56, .72);
  transition: border-color .16s var(--ease), background-color .16s var(--ease);
}

.vx-navtoggle:hover { border-color: var(--cyan); }
.vx-navtoggle:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; }

.vx-navtoggle__bars {
  position: relative;
  display: block;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: var(--paper);
  transition: background-color .18s var(--ease);
}

.vx-navtoggle__bars::before,
.vx-navtoggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 18px;
  height: 2px;
  border-radius: 1px;
  background: var(--paper);
  transition: transform .18s var(--ease), top .18s var(--ease);
}

.vx-navtoggle__bars::before { top: -6px; }
.vx-navtoggle__bars::after { top: 6px; }

.vx-navtoggle[aria-expanded="true"] .vx-navtoggle__bars { background: transparent; }
.vx-navtoggle[aria-expanded="true"] .vx-navtoggle__bars::before { top: 0; transform: rotate(45deg); }
.vx-navtoggle[aria-expanded="true"] .vx-navtoggle__bars::after { top: 0; transform: rotate(-45deg); }

/* 阅读进度 */
.vx-header__progress {
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: rgba(30, 64, 92, .45);
}

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

/* 6. 页脚 ---------------------------------------------------------------- */
.vx-footer {
  position: relative;
  padding-top: clamp(40px, 6vw, 76px);
  background: var(--ink-950);
  border-top: 1px solid var(--line);
  color: var(--paper);
  overflow: hidden;
}

.vx-footer::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(30, 64, 92, .3) 0 1px, transparent 1px 96px);
  opacity: .55;
}

.vx-footer::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(45, 226, 230, .34) 0 1px, transparent 1px 24px);
}

.vx-footer__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 56px);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.vx-footer__wordmark { font-size: 20px; font-weight: 800; letter-spacing: .02em; }

.vx-footer__domain {
  margin-top: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.vx-footer__summary {
  margin-top: 14px;
  max-width: 34em;
  font-size: 14px;
  line-height: 1.75;
  color: var(--gray);
}

.vx-footer__contact { margin-top: 18px; display: grid; gap: 8px; }

.vx-footer__line {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 13px;
}

.vx-footer__key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(168, 244, 242, .7);
}

.vx-footer__val { color: rgba(244, 250, 255, .88); line-height: 1.6; }
.vx-footer__val--mono { font-family: var(--font-mono); letter-spacing: .04em; font-variant-numeric: tabular-nums; }

.vx-footer__group { min-width: 0; }

.vx-footer__grouptitle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

.vx-footer__links { margin-top: 10px; display: grid; gap: 2px; }

.vx-footer__links a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  font-size: 14px;
  color: rgba(244, 250, 255, .76);
  transition: color .16s var(--ease);
}

.vx-footer__links a::before {
  content: "";
  width: 0;
  height: 1px;
  margin-right: 0;
  background: var(--cyan);
  transition: width .18s var(--ease), margin-right .18s var(--ease);
}

.vx-footer__links a:hover { color: var(--cyan); }
.vx-footer__links a:hover::before { width: 14px; margin-right: 8px; }

.vx-footer__legal {
  position: relative;
  z-index: 1;
  margin-top: clamp(30px, 5vw, 56px);
  border-top: 1px solid var(--line);
  background: rgba(2, 7, 14, .72);
}

.vx-footer__legalinner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px var(--gutter);
  font-size: 12px;
  color: rgba(201, 195, 184, .82);
}

.vx-footer__legaltext {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .05em;
  line-height: 1.7;
}

.vx-footer__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
}

/* 返回顶部 */
.vx-backtop {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  border: 1px solid var(--line);
  background: rgba(12, 34, 56, .95);
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity .2s var(--ease), transform .2s var(--ease), visibility .2s var(--ease),
    border-color .16s var(--ease), background-color .16s var(--ease);
}

.vx-backtop[data-show] { opacity: 1; visibility: visible; transform: translateY(0); }
.vx-backtop:hover { border-color: var(--cyan); background: #10293f; }
.vx-backtop:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--ink-950), inset 0 0 0 3px var(--cyan);
}

/* 7. 通用版式 ------------------------------------------------------------ */
.vx-container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.vx-section { position: relative; padding-block: clamp(44px, 7vw, 88px); }

.vx-section--panel {
  background: linear-gradient(180deg, rgba(12, 34, 56, .58) 0%, rgba(7, 21, 37, .92) 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.vx-section--ink { background: var(--ink-950); }

.vx-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.vx-eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--gold); }

.vx-index {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: rgba(142, 124, 195, .92);
}

.vx-title {
  margin-top: 12px;
  font-size: clamp(26px, 3.4vw, 42px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: -.015em;
}

.vx-title--sm { font-size: clamp(21px, 2.4vw, 28px); }

.vx-lede {
  margin-top: 14px;
  max-width: 38em;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.8;
  color: var(--gray);
}

.vx-text { max-width: 38em; line-height: 1.85; color: rgba(244, 250, 255, .86); }
.vx-text + .vx-text { margin-top: 16px; }

.vx-rule {
  position: relative;
  height: 1px;
  margin-block: clamp(24px, 4vw, 40px);
  border: 0;
  background: var(--line);
}

.vx-rule::after {
  content: "";
  position: absolute;
  left: 0;
  top: -1px;
  width: 56px;
  height: 3px;
  background: var(--cyan);
}

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

.vx-grid > * { min-width: 0; }

.vx-span-2 { grid-column: span 2; }
.vx-span-3 { grid-column: span 3; }
.vx-span-4 { grid-column: span 4; }
.vx-span-5 { grid-column: span 5; }
.vx-span-6 { grid-column: span 6; }
.vx-span-7 { grid-column: span 7; }
.vx-span-8 { grid-column: span 8; }
.vx-span-9 { grid-column: span 9; }
.vx-span-10 { grid-column: span 10; }
.vx-span-12 { grid-column: span 12; }

/* 8. 组件 ---------------------------------------------------------------- */
.vx-panel {
  position: relative;
  padding: clamp(18px, 2.4vw, 26px);
  background: linear-gradient(160deg, rgba(18, 48, 74, .92) 0%, rgba(10, 28, 46, .94) 100%);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.vx-panel--flat { background: rgba(12, 34, 56, .62); }

.vx-panel--accent {
  border-color: rgba(45, 226, 230, .4);
  box-shadow: inset 0 0 0 1px rgba(45, 226, 230, .08);
}

.vx-cut {
  clip-path: polygon(var(--cut) 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%, 0 var(--cut));
}

/* 按钮 */
.vx-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 0 20px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-radius: 2px;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.vx-btn:hover { color: var(--paper); background: #10293f; border-color: var(--cyan); }

.vx-btn--solid { color: #04202a; font-weight: 700; background: var(--cyan); border-color: var(--cyan); }
.vx-btn--solid:hover { background: var(--cyan-soft); border-color: var(--cyan-soft); color: #04202a; }

.vx-btn--gold { color: #1a1204; font-weight: 700; background: var(--gold); border-color: var(--gold); }
.vx-btn--gold:hover { background: var(--gold-soft); border-color: var(--gold-soft); color: #1a1204; }

.vx-btn--ghost { background: transparent; }

.vx-btn:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--ink-950), inset 0 0 0 3px var(--cyan);
}

/* 指标 */
.vx-metric { display: flex; flex-direction: column; gap: 6px; }

.vx-metric__value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 4.6vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--gold);
}

.vx-metric__value--cyan { color: var(--cyan); }

.vx-metric__label { font-size: 12.5px; letter-spacing: .04em; color: var(--gray); }

.vx-metric__row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: rgba(168, 244, 242, .78);
}

/* 状态灯与标签 */
.vx-dot {
  display: inline-block;
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(45, 226, 230, .16);
}

.vx-dot--gold { background: var(--gold); box-shadow: 0 0 0 3px rgba(244, 185, 66, .16); }
.vx-dot--violet { background: var(--violet); box-shadow: 0 0 0 3px rgba(142, 124, 195, .18); }
.vx-dot--muted { background: var(--gray); box-shadow: none; opacity: .65; }

.vx-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  background: rgba(45, 226, 230, .08);
  border: 1px solid rgba(45, 226, 230, .36);
  border-radius: 2px;
}

.vx-tag--gold { color: var(--gold-soft); background: rgba(244, 185, 66, .1); border-color: rgba(244, 185, 66, .4); }
.vx-tag--violet { color: #c9c0ea; background: rgba(142, 124, 195, .14); border-color: rgba(142, 124, 195, .45); }
.vx-tag--muted { color: var(--gray); background: rgba(30, 64, 92, .35); border-color: var(--line); }

/* 表格 */
.vx-tablewrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  background: rgba(7, 21, 37, .6);
  border: 1px solid var(--line);
}

.vx-table { width: 100%; min-width: 640px; font-size: 14px; }

.vx-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}

.vx-table th,
.vx-table td {
  padding: 11px 14px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid rgba(30, 64, 92, .7);
}

.vx-table thead th {
  position: sticky;
  top: 0;
  z-index: 2;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan-soft);
  background: var(--ink-700);
}

.vx-table tbody th { font-weight: 600; color: var(--paper); }
.vx-table td { color: rgba(244, 250, 255, .82); }
.vx-table tbody tr:hover { background: rgba(45, 226, 230, .06); }
.vx-table tbody tr:last-child th,
.vx-table tbody tr:last-child td { border-bottom: 0; }

.vx-table__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .04em;
  color: var(--gold-soft);
}

.vx-table th:first-child,
.vx-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--ink-800);
}

.vx-table thead th:first-child { z-index: 3; }

/* 面包屑 */
.vx-breadcrumb {
  padding-block: 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(201, 195, 184, .74);
}

.vx-breadcrumb ol { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.vx-breadcrumb li { display: inline-flex; align-items: center; gap: 8px; }
.vx-breadcrumb li + li::before { content: "/"; color: var(--line); }
.vx-breadcrumb a { color: var(--cyan-soft); }
.vx-breadcrumb a:hover { color: var(--cyan); }
.vx-breadcrumb [aria-current="page"] { color: rgba(244, 250, 255, .92); }

/* 章节目录 */
.vx-anchor-nav { position: sticky; top: calc(var(--header-h) + var(--rail-h) + 16px); font-size: 13px; }

.vx-anchor-nav__title {
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(168, 244, 242, .72);
}

.vx-anchor-nav ul { margin-top: 10px; display: grid; gap: 2px; }

.vx-anchor-nav a {
  display: block;
  padding: 7px 0 7px 14px;
  border-left: 1px solid var(--line);
  color: rgba(244, 250, 255, .7);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.vx-anchor-nav a:hover { color: var(--paper); border-left-color: var(--cyan-soft); }

.vx-anchor-nav a[aria-current="true"] {
  padding-left: 13px;
  border-left: 2px solid var(--cyan);
  color: var(--cyan);
  background: linear-gradient(90deg, rgba(45, 226, 230, .1), transparent);
}

/* 图片容器 */
.vx-media {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--line);
  border-radius: 2px;
  background-image:
    repeating-linear-gradient(0deg, rgba(30, 64, 92, .5) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(30, 64, 92, .5) 0 1px, transparent 1px 32px),
    linear-gradient(150deg, #0a1c2e 0%, #071525 100%);
}

.vx-media img,
.vx-media svg,
.vx-media video { width: 100%; height: 100%; object-fit: cover; }

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

.vx-media__tag { position: absolute; left: 10px; top: 10px; z-index: 2; }

.vx-media__caption {
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .1em;
  color: rgba(201, 195, 184, .76);
}

/* 折叠抽屉 */
.vx-disclosure {
  background: rgba(12, 34, 56, .58);
  border: 1px solid var(--line);
  border-radius: 2px;
}

.vx-disclosure + .vx-disclosure { margin-top: 10px; }

.vx-disclosure__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  min-height: 52px;
  padding: 14px 16px;
  font-size: 14.5px;
  font-weight: 600;
  text-align: left;
  color: var(--paper);
}

.vx-disclosure__trigger::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--cyan);
}

.vx-disclosure[data-open] .vx-disclosure__trigger::after { content: "–"; }

.vx-drawer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .18s var(--ease);
}

.vx-drawer > * { overflow: hidden; min-height: 0; }
.vx-disclosure[data-open] .vx-drawer { grid-template-rows: 1fr; }

.vx-drawer__body {
  padding: 0 16px 16px;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(244, 250, 255, .84);
}

/* 标签页 */
.vx-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.vx-tabs__tab {
  min-height: 36px;
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(244, 250, 255, .72);
  background: rgba(12, 34, 56, .5);
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color .16s var(--ease), background-color .16s var(--ease), border-color .16s var(--ease);
}

.vx-tabs__tab:hover { color: var(--paper); border-color: var(--cyan); }

.vx-tabs__tab[aria-selected="true"] {
  color: #04202a;
  font-weight: 700;
  background: var(--cyan);
  border-color: var(--cyan);
}

.vx-tabs__panel { margin-top: 18px; }
.vx-tabs__panel[hidden] { display: none; }

/* 显现 */
html.vx-js [data-reveal] {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .32s var(--ease), transform .32s var(--ease);
}

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

html.vx-js [data-reveal][data-delay="1"] { transition-delay: .06s; }
html.vx-js [data-reveal][data-delay="2"] { transition-delay: .12s; }
html.vx-js [data-reveal][data-delay="3"] { transition-delay: .18s; }
html.vx-js [data-reveal][data-delay="4"] { transition-delay: .24s; }
html.vx-js [data-reveal][data-delay="5"] { transition-delay: .3s; }
html.vx-js [data-reveal][data-delay="6"] { transition-delay: .36s; }

/* 9. 平板与手机 ---------------------------------------------------------- */
@media (max-width: 1180px) {
  .vx-nav__link { padding: 0 7px; font-size: 13px; }
  .vx-nav__link::after { left: 7px; right: 7px; }
  .vx-util--ghost { display: none; }
}

@media (max-width: 1024px) {
  :root { --rail-h: 22px; --header-h: 58px; --gutter: 16px; }

  .vx-rail__state { display: none; }
  .vx-rail__coord { font-size: 9px; letter-spacing: .12em; }
  .vx-rail__time { font-size: 9px; letter-spacing: .12em; }

  .vx-util--lang { display: none; }
  .vx-navtoggle { display: inline-flex; }
  .vx-util--solid { min-height: 32px; padding: 0 10px; font-size: 12px; }

  .vx-nav {
    position: absolute;
    z-index: 2;
    left: 0;
    right: 0;
    top: 100%;
    display: none;
    max-height: calc(100vh - var(--header-h) - var(--rail-h));
    overflow-y: auto;
    margin-left: 0;
    padding: 8px var(--gutter) 20px;
    background: var(--ink-950);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 26px 44px -26px rgba(0, 0, 0, .95);
  }

  .vx-nav[data-open] { display: block; }

  .vx-nav__list { flex-direction: column; align-items: stretch; gap: 0; }
  .vx-nav__item + .vx-nav__item { border-top: 1px solid rgba(30, 64, 92, .6); }

  .vx-nav__link {
    width: 100%;
    min-height: 52px;
    padding: 0 4px;
    font-size: 15px;
    justify-content: flex-start;
  }

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

  .vx-nav__link[aria-current="page"] {
    padding-left: 14px;
    background: rgba(45, 226, 230, .09);
    box-shadow: inset 3px 0 0 var(--cyan);
  }

  .vx-nav__note {
    display: block;
    margin-top: 14px;
    padding-top: 14px;
    border-top: 1px solid rgba(30, 64, 92, .6);
    font-family: var(--font-mono);
    font-size: 10.5px;
    letter-spacing: .1em;
    color: rgba(201, 195, 184, .8);
  }

  .vx-footer__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vx-footer__brand { grid-column: 1 / -1; }

  .vx-anchor-nav { position: static; top: auto; margin-bottom: 20px; }
  .vx-anchor-nav__title { display: none; }
  .vx-anchor-nav ul {
    margin-top: 0;
    display: flex;
    gap: 8px;
    overflow-x: auto;
    padding-bottom: 6px;
    -webkit-overflow-scrolling: touch;
  }
  .vx-anchor-nav a {
    padding: 7px 12px;
    white-space: nowrap;
    border: 1px solid var(--line);
    border-radius: 2px;
    font-size: 12.5px;
  }
  .vx-anchor-nav a[aria-current="true"] {
    padding-left: 12px;
    border: 1px solid var(--cyan);
    background: rgba(45, 226, 230, .1);
  }

  .vx-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
  .vx-span-2,
  .vx-span-3 { grid-column: span 3; }
  .vx-span-4,
  .vx-span-5,
  .vx-span-6,
  .vx-span-7,
  .vx-span-8,
  .vx-span-9,
  .vx-span-10,
  .vx-span-12 { grid-column: span 6; }
}

@media (max-width: 700px) {
  .vx-brand__label { font-size: 14px; }
  .vx-brand__meta { font-size: 9px; letter-spacing: .16em; }
  .vx-footer__contact { gap: 10px; }
  .vx-footer__line { grid-template-columns: 40px minmax(0, 1fr); font-size: 12.5px; }
}

@media (max-width: 600px) {
  :root { --cut: 11px; }

  .vx-util--solid { display: none; }

  .vx-footer__inner { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .vx-footer__legalinner { padding-block: 16px; }
  .vx-footer__legaltext { font-size: 10px; letter-spacing: .03em; }

  .vx-grid { grid-template-columns: minmax(0, 1fr); }
  .vx-span-2,
  .vx-span-3,
  .vx-span-4,
  .vx-span-5,
  .vx-span-6,
  .vx-span-7,
  .vx-span-8,
  .vx-span-9,
  .vx-span-10,
  .vx-span-12 { grid-column: 1 / -1; }

  .vx-media { aspect-ratio: 4 / 3; }
  .vx-media--wide { aspect-ratio: 16 / 9; }

  .vx-backtop { height: 40px; padding: 0 12px; font-size: 10px; }
}

/* 10. 降低动效 ----------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }

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