/* ================= 胜博中心 · 共享样式表 /assets/site.css =================
   结构：reset → 变量 → 中文排版 → 索引栏/标签条 → 页脚 → 通用组件 → 响应式 → 无障碍
   ========================================================================= */

/* ---------- reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: #0C1B2A; }
body, h1, h2, h3, h4, h5, p, ul, ol, li, figure, blockquote, dl, dd, hr { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; }
a { color: inherit; text-decoration: none; }
hr { border: 0; }

/* ---------- 变量 ---------- */
:root {
  --wb-ink: #0C1B2A;
  --wb-ink-2: #16293C;
  --wb-cyan: #34D3DE;
  --wb-amber: #F0A03C;
  --wb-clay: #C4643A;
  --wb-moss: #6F8A6A;
  --wb-stone: #4A5A68;
  --wb-paper: #F6F2E9;
  --wb-layer: #E7E0D2;
  --wb-surface: #FFFDF8;
  --wb-black: #111A22;
  --wb-rail-w: 270px;
  --wb-top-h: 60px;
  --wb-max: 1280px;
  --wb-edge: rgba(74, 90, 104, .34);
  --wb-edge-dark: rgba(246, 242, 233, .16);
  --wb-font: "HarmonyOS Sans SC", "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --wb-mono: "IBM Plex Mono", "JetBrains Mono", "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  --wb-ease: cubic-bezier(.2, .7, .3, 1);
  --wb-radius: 2px;
}

/* ---------- 基础中文排版 ---------- */
body {
  font-family: var(--wb-font);
  font-size: 16.5px;
  line-height: 1.8;
  letter-spacing: .01em;
  color: var(--wb-black);
  background-color: var(--wb-paper);
  background-image: repeating-linear-gradient(180deg, rgba(17, 26, 34, .026) 0 1px, transparent 1px 7px);
  padding-top: var(--wb-top-h);
  min-height: 100vh;
}
@media (min-width: 900px) { body { padding-left: var(--wb-rail-w); } }

h1, h2, h3, h4 { font-weight: 800; line-height: 1.24; letter-spacing: -.012em; color: var(--wb-black); }
h1 { font-size: clamp(2.6rem, 5vw, 4.4rem); line-height: 1.12; }
h2 { font-size: clamp(1.6rem, 2.6vw, 2.4rem); }
h3 { font-size: 1.125rem; font-weight: 700; line-height: 1.5; }
h4 { font-size: 1rem; font-weight: 700; }
p { text-wrap: pretty; }
strong { font-weight: 700; }
[hidden] { display: none !important; }

.wb-mono { font-family: var(--wb-mono); font-variant-numeric: tabular-nums; letter-spacing: .02em; }
.wb-lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); line-height: 1.78; color: var(--wb-stone); }
.wb-eyebrow {
  font-family: var(--wb-mono);
  font-size: .75rem;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--wb-stone);
}
.wb-rule { height: 1px; background: var(--wb-edge); }
.wb-link { border-bottom: 1px solid var(--wb-cyan); padding-bottom: 1px; }
.wb-link:hover { color: #0B6B72; border-bottom-color: #0B6B72; }
.wb-lock { overflow: hidden; }

/* ---------- 跳到主内容 ---------- */
.wb-skip {
  position: fixed;
  top: .6rem;
  left: .6rem;
  z-index: 200;
  padding: .55rem 1rem;
  background: var(--wb-cyan);
  color: var(--wb-ink);
  font-size: .9rem;
  font-weight: 700;
  border-radius: var(--wb-radius);
  transform: translateY(-220%);
  transition: transform .18s var(--wb-ease);
}
.wb-skip:focus, .wb-skip:focus-visible { transform: translateY(0); }

/* ---------- 头部外壳 ---------- */
.wb-header { position: relative; z-index: 120; }

/* 左侧固定索引栏 */
.wb-rail {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 120;
  width: var(--wb-rail-w);
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  padding: 1.6rem 1.4rem 1.5rem;
  overflow-y: auto;
  background: var(--wb-ink);
  color: var(--wb-paper);
  border-right: 1px solid rgba(52, 211, 222, .22);
}

.wb-brand {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding-bottom: 1.05rem;
  border-bottom: 1px solid var(--wb-edge-dark);
}
.wb-brand__mark { display: flex; align-items: flex-end; gap: 3px; width: 30px; height: 30px; flex: none; }
.wb-brand__mark i { display: block; flex: 1 1 0; height: 100%; background: var(--wb-cyan); }
.wb-brand__mark i:nth-child(2) { height: 64%; background: var(--wb-amber); }
.wb-brand__mark i:nth-child(3) { height: 82%; background: var(--wb-moss); }
.wb-brand__text { display: flex; flex-direction: column; line-height: 1.25; min-width: 0; }
.wb-brand__name { font-size: 1.1rem; font-weight: 800; letter-spacing: .05em; color: var(--wb-paper); }
.wb-brand__sub { font-size: .72rem; letter-spacing: .18em; color: rgba(246, 242, 233, .58); }
.wb-brand:hover .wb-brand__name { color: var(--wb-cyan); }

.wb-rail__label {
  font-size: .7rem;
  letter-spacing: .3em;
  color: rgba(246, 242, 233, .45);
}

/* 栏目索引导航 */
.wb-nav { flex: 1 1 auto; min-height: 0; }
.wb-nav__list { display: flex; flex-direction: column; gap: 2px; }
.wb-nav__item { display: block; }
.wb-nav__link {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .58rem .7rem .58rem .68rem;
  border-left: 2px solid transparent;
  border-radius: var(--wb-radius);
  color: rgba(246, 242, 233, .78);
  font-size: .97rem;
  font-weight: 500;
  transition: color .18s var(--wb-ease), background-color .18s var(--wb-ease), border-color .18s var(--wb-ease);
}
.wb-nav__link:hover { color: #fff; background: rgba(52, 211, 222, .08); border-left-color: var(--wb-cyan); }
.wb-nav__num { font-family: var(--wb-mono); font-size: .72rem; letter-spacing: .08em; color: var(--wb-cyan); }
.wb-nav__text { min-width: 0; }
.wb-nav__link[aria-current="page"] {
  background: var(--wb-amber);
  color: var(--wb-ink);
  border-left-color: var(--wb-amber);
  font-weight: 700;
}
.wb-nav__link[aria-current="page"] .wb-nav__num { color: rgba(17, 26, 34, .66); }

/* 索引栏底部快捷项 */
.wb-rail__foot {
  margin-top: auto;
  padding-top: 1.1rem;
  border-top: 1px solid var(--wb-edge-dark);
  display: flex;
  flex-direction: column;
  gap: .6rem;
}
.wb-quick {
  display: block;
  padding: .7rem .8rem;
  background: var(--wb-ink-2);
  border: 1px solid rgba(52, 211, 222, .32);
  border-radius: var(--wb-radius);
  transition: border-color .18s var(--wb-ease), transform .18s var(--wb-ease);
}
.wb-quick:hover { border-color: var(--wb-cyan); transform: translateY(-2px); }
.wb-quick__k { display: block; font-size: .95rem; font-weight: 700; color: var(--wb-amber); }
.wb-quick__v { display: block; font-size: .76rem; color: rgba(246, 242, 233, .6); }
.wb-rail__meta { font-size: .72rem; letter-spacing: .04em; color: rgba(246, 242, 233, .48); }

/* 顶部标签条 */
.wb-topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 110;
  height: var(--wb-top-h);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0 clamp(1rem, 3vw, 2rem);
  background: rgba(12, 27, 42, .95);
  color: var(--wb-paper);
  border-bottom: 1px solid rgba(52, 211, 222, .22);
  backdrop-filter: blur(6px);
}
@media (min-width: 900px) { .wb-topbar { left: var(--wb-rail-w); } }

.wb-navtoggle {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  padding: .38rem .6rem;
  border: 1px solid rgba(246, 242, 233, .3);
  border-radius: var(--wb-radius);
  color: var(--wb-paper);
  font-size: .84rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color .18s var(--wb-ease), color .18s var(--wb-ease);
}
.wb-navtoggle:hover { border-color: var(--wb-cyan); color: var(--wb-cyan); }
.wb-navtoggle__bars { display: flex; flex-direction: column; gap: 3px; width: 16px; }
.wb-navtoggle__bars i { display: block; height: 2px; background: currentColor; }
.wb-navtoggle__bars i:nth-child(2) { width: 68%; }
@media (min-width: 900px) { .wb-navtoggle { display: none; } }

.wb-crumb { flex: 1 1 auto; min-width: 0; overflow: hidden; }
.wb-crumb__list { display: flex; align-items: center; gap: .55rem; font-size: .85rem; }
.wb-crumb__item { display: flex; align-items: center; gap: .55rem; white-space: nowrap; }
.wb-crumb__item + .wb-crumb__item::before { content: "/"; color: rgba(246, 242, 233, .38); }
.wb-crumb__item a { color: rgba(246, 242, 233, .74); border-bottom: 1px solid transparent; }
.wb-crumb__item a:hover { color: var(--wb-cyan); border-bottom-color: currentColor; }
.wb-crumb__item [aria-current="page"] { color: var(--wb-amber); font-weight: 600; }
.wb-topbar__cta { flex: none; }
@media (max-width: 599px) { .wb-topbar__cta { display: none; } }

.wb-progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 0;
  background: var(--wb-cyan);
  box-shadow: 0 0 8px rgba(52, 211, 222, .55);
  transition: width .12s linear;
}

@media (max-width: 899px) {
  .wb-rail {
    width: min(86vw, 320px);
    transform: translateX(-103%);
    transition: transform .22s var(--wb-ease);
    box-shadow: 24px 0 42px -22px rgba(0, 0, 0, .7);
  }
  .wb-rail[data-open] { transform: none; }
}
.wb-scrim { display: none; }
@media (max-width: 899px) {
  .wb-header[data-nav-open] .wb-scrim {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 115;
    background: rgba(12, 27, 42, .62);
  }
}

/* ---------- 按钮 ---------- */
.wb-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .55rem .9rem;
  border: 1px solid transparent;
  border-radius: var(--wb-radius);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background-color .18s var(--wb-ease), color .18s var(--wb-ease),
              border-color .18s var(--wb-ease), transform .18s var(--wb-ease);
}
.wb-btn--solid { background: var(--wb-amber); color: var(--wb-ink); }
.wb-btn--solid:hover { background: #FFB44F; transform: translateY(-2px); }
.wb-btn--line { background: transparent; color: var(--wb-paper); border-color: rgba(246, 242, 233, .35); }
.wb-btn--line:hover { border-color: var(--wb-cyan); color: var(--wb-cyan); }
.wb-btn--ink { background: var(--wb-ink); color: var(--wb-paper); }
.wb-btn--ink:hover { background: var(--wb-ink-2); transform: translateY(-2px); }
.wb-btn--outline { background: transparent; color: var(--wb-ink); border-color: var(--wb-stone); }
.wb-btn--outline:hover { border-color: var(--wb-ink); background: var(--wb-layer); }
.wb-btn[data-copied] { color: var(--wb-cyan); border-color: var(--wb-cyan); }

/* ---------- 页脚 ---------- */
.wb-foot {
  background: var(--wb-ink);
  color: rgba(246, 242, 233, .78);
  border-top: 1px solid rgba(52, 211, 222, .25);
}
.wb-foot__inner {
  max-width: var(--wb-max);
  margin: 0 auto;
  padding: clamp(2rem, 5vw, 3.4rem) clamp(1rem, 4vw, 3rem) 1.5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 3vw, 2.4rem);
}
@media (min-width: 700px) { .wb-foot__inner { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1080px) { .wb-foot__inner { grid-template-columns: 1.35fr 1fr 1fr 1.2fr; } }

.wb-foot__brand { min-width: 0; }
.wb-foot__name { font-size: 1.35rem; font-weight: 800; letter-spacing: .04em; color: var(--wb-paper); }
.wb-foot__tag { margin-top: .5rem; font-size: .9rem; color: rgba(246, 242, 233, .72); }
.wb-foot__sync { margin-top: .8rem; font-size: .8rem; color: rgba(246, 242, 233, .5); }

.wb-foot__col { min-width: 0; }
.wb-foot__h {
  margin-bottom: .8rem;
  padding-bottom: .5rem;
  font-size: .76rem;
  font-weight: 700;
  letter-spacing: .22em;
  color: var(--wb-cyan);
  border-bottom: 1px solid var(--wb-edge-dark);
}
.wb-foot__list { display: flex; flex-direction: column; gap: .45rem; font-size: .9rem; }
.wb-foot__list a { color: rgba(246, 242, 233, .82); border-bottom: 1px solid transparent; }
.wb-foot__list a:hover { color: var(--wb-amber); border-bottom-color: currentColor; }
.wb-foot__k { display: block; font-size: .72rem; letter-spacing: .16em; color: rgba(246, 242, 233, .45); }
.wb-foot__v { display: block; color: var(--wb-paper); word-break: break-word; }
.wb-foot__hint { margin-top: .55rem; font-size: .78rem; line-height: 1.7; color: rgba(246, 242, 233, .5); }
.wb-foot__col .wb-btn { margin-top: .9rem; }

.wb-foot__base {
  max-width: var(--wb-max);
  margin: 0 auto;
  padding: 1.1rem clamp(1rem, 4vw, 3rem) 1.6rem;
  border-top: 1px solid var(--wb-edge-dark);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .5rem 1.4rem;
  font-size: .8rem;
  color: rgba(246, 242, 233, .58);
}
.wb-foot__upd { font-family: var(--wb-mono); }

/* ---------- 主内容与目录网格 ---------- */
.wb-main { padding: clamp(1.6rem, 3.5vw, 3rem) clamp(1rem, 4vw, 3rem) clamp(3rem, 7vw, 5.5rem); }
.wb-wrap { width: 100%; max-width: var(--wb-max); margin: 0 auto; }
.wb-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3vw, 2.6rem);
}
@media (min-width: 1080px) { .wb-grid { grid-template-columns: minmax(0, 1fr) 264px; } }

/* ---------- 旁注 ---------- */
.wb-note {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding-top: .9rem;
  border-top: 2px solid var(--wb-ink);
  font-size: .875rem;
  color: var(--wb-stone);
}
.wb-note__h { font-size: .74rem; font-weight: 700; letter-spacing: .22em; color: var(--wb-stone); }
.wb-note__list { display: flex; flex-direction: column; gap: .45rem; }

/* ---------- 卡片 ---------- */
.wb-card {
  display: flex;
  flex-direction: column;
  gap: .55rem;
  padding: 1.1rem 1.2rem 1.2rem;
  background: var(--wb-surface);
  border: 1px solid var(--wb-edge);
  border-radius: var(--wb-radius);
  transition: transform .18s var(--wb-ease), border-color .18s var(--wb-ease);
}
.wb-card:hover { transform: translateY(-2px); border-color: var(--wb-stone); }
.wb-card__num { font-family: var(--wb-mono); font-size: .75rem; letter-spacing: .1em; color: var(--wb-clay); }
.wb-card__title { font-size: 1.125rem; font-weight: 700; line-height: 1.5; }
.wb-card__meta { font-size: .8rem; color: var(--wb-stone); }

/* ---------- 列表（变更记录 / 步骤 / 索引条目） ---------- */
.wb-list { display: flex; flex-direction: column; border-top: 1px solid var(--wb-edge); }
.wb-list__item {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem 1rem;
  padding: .85rem .5rem .85rem .95rem;
  border-bottom: 1px solid var(--wb-edge);
  transition: background-color .18s var(--wb-ease);
}
.wb-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: .5rem;
  bottom: .5rem;
  width: 2px;
  background: var(--wb-clay);
  opacity: 0;
  transition: opacity .18s var(--wb-ease);
}
.wb-list__item:hover::before { opacity: 1; }
.wb-list__item:hover { background: rgba(231, 224, 210, .5); }
.wb-list__num { font-family: var(--wb-mono); font-size: .78rem; color: var(--wb-stone); }

/* ---------- 标签 ---------- */
.wb-tag {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .12rem .5rem;
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .04em;
  border: 1px solid currentColor;
  border-radius: var(--wb-radius);
}
.wb-tag--clay { color: var(--wb-clay); background: rgba(196, 100, 58, .08); }
.wb-tag--moss { color: #46593F; background: rgba(111, 138, 106, .18); }
.wb-tag--cyan { color: #0B5F66; background: rgba(52, 211, 222, .16); }
.wb-tag--amber { color: #8A5510; background: rgba(240, 160, 60, .18); }

/* ---------- 深色面板 ---------- */
.wb-panel {
  padding: 1.2rem 1.3rem;
  background: var(--wb-ink-2);
  color: var(--wb-paper);
  border: 1px solid rgba(52, 211, 222, .22);
  border-radius: var(--wb-radius);
}
.wb-panel__h { font-size: 1rem; font-weight: 700; color: var(--wb-paper); }

/* ---------- 图片容器（页面阶段放占位） ---------- */
.wb-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--wb-layer);
  border: 1px solid var(--wb-edge);
  border-radius: var(--wb-radius);
}
.wb-media > img, .wb-media > svg { width: 100%; height: 100%; object-fit: cover; }
.wb-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(90deg, rgba(12, 27, 42, .05) 0 1px, transparent 1px 5px);
}
.wb-media--16x9 { aspect-ratio: 16 / 9; }
.wb-media--4x3 { aspect-ratio: 4 / 3; }
.wb-media--1x1 { aspect-ratio: 1 / 1; }
.wb-media--banner { aspect-ratio: 21 / 9; }
.wb-media__cap { margin-top: .5rem; font-size: .8rem; color: var(--wb-stone); }

/* ---------- 焦点与滚动锚点 ---------- */
:focus-visible { outline: 2px solid var(--wb-cyan); outline-offset: 2px; }
.wb-btn:focus-visible, .wb-nav__link:focus-visible { outline-offset: 3px; }
[id] { scroll-margin-top: calc(var(--wb-top-h) + 1rem); }

/* ---------- 降低动画偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: .001ms !important;
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
  }
  html { scroll-behavior: auto; }
  .wb-card:hover, .wb-btn:hover, .wb-quick:hover { transform: none !important; }
  .wb-progress { transition: none !important; }
}