/* ==========================================================================
   CKVPN · components.css
   「深海光缆」设计系统 —— 跨页面组件层
   Hero 海底剖面 / 海深分层带 / tab / toc / FAQ / 套餐卡 / 线路表 /
   平台卡 / 文章卡 / callout / 文末推广块 / 徽章胶囊 / 预览色板
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Hero · 跨洋光缆剖面(首页与 design-preview 首屏)
   -------------------------------------------------------------------------- */
.hero{
  position:relative;
  height:calc(100vh - var(--head-h));
  min-height:780px;
  overflow:hidden;
}
/* 经线网格纹理 */
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:repeating-linear-gradient(90deg,transparent 0 159px,var(--grid-line) 159px 160px);
  pointer-events:none;
  z-index:0;
}


/* 右上角剖面图注 */
.section-note{
  position:absolute;
  top:46px;
  right:var(--pad-x);
  z-index:1;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-muted);
  opacity:.7;
  pointer-events:none;
}

/* ---- 海底剖面 SVG(视觉装饰容器) ---- */
.hero-visual{
  position:absolute;
  inset:0;
  z-index:2;
  pointer-events:none;
  overflow:hidden;
}
.survey{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
  pointer-events:none;
}
.seabed{
  fill:none;
  stroke:var(--shelf);
  stroke-width:1;
}
.contour{
  fill:none;
  stroke:var(--contour);
  stroke-width:1;
  stroke-dasharray:2 7;
}
.abyss{stroke:none}
.stop-abyss-a{stop-color:var(--accent);stop-opacity:.11}
.stop-abyss-b{stop-color:var(--accent);stop-opacity:0}
.cable{
  fill:none;
  stroke:var(--accent);
  stroke-width:2;
}
.cable-glow{
  fill:none;
  stroke:var(--cable-glow);
  stroke-width:7;
  filter:url(#fGlow);
  animation:glowBreathe 6s ease-in-out infinite;
}
.bead .halo{
  fill:none;
  stroke:var(--accent);
  stroke-width:1.5;
  transform-box:fill-box;
  transform-origin:center;
  animation:beadHalo 4.4s ease-out infinite;
}
.bead .core{
  fill:var(--accent);
  transform-box:fill-box;
  transform-origin:center;
  animation:beadCore 4.4s ease-in-out infinite;
}
.bead.amber .halo{stroke:var(--warn)}
.bead.amber .core{fill:var(--warn)}
.bead.t2 .halo,.bead.t2 .core{animation-delay:1.1s}
.bead.t3 .halo,.bead.t3 .core{animation-delay:2.2s}
.bead.t4 .halo,.bead.t4 .core{animation-delay:3.3s}

.lbl{
  font-family:var(--font-mono);
  font-size:10.5px;
  letter-spacing:.1em;
  fill:var(--text-muted);
  opacity:.85;
}
.lbl .lbl-city{fill:var(--text)}
/* 窄屏下 SVG 等比缩小,图注会漂进正文/按钮区——与前景重叠就不放(2026-08-02 用户拍板) */
@media (max-width:760px){ .lbl{display:none} }
.lbl.amber .lbl-city{fill:var(--warn)}

@keyframes beadCore{
  0%,100%{opacity:.5;transform:scale(.88)}
  50%{opacity:1;transform:scale(1.18)}
}
@keyframes beadHalo{
  0%{opacity:.5;transform:scale(.35)}
  75%{opacity:0;transform:scale(1.7)}
  100%{opacity:0;transform:scale(1.7)}
}
@keyframes glowBreathe{
  0%,100%{opacity:.55}
  50%{opacity:.85}
}

/* ---- Hero 文字层 ---- */
.hero-wrap{
  position:relative;
  height:100%;
  max-width:1440px;
  margin-inline:auto;
  padding-top:44px;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
}
.kicker{
  position:relative;
  z-index:3;
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding-top:5px;
  padding-bottom:5px;
  padding-left:14px;
  padding-right:14px;
  border:1px solid var(--border);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--text-muted);
  border-radius:var(--radius);
  max-width:100%;
}
.kicker::before{
  content:"";
  width:6px;
  height:6px;
  background:var(--accent);
  flex-shrink:0;
}

.hero h1{
  font-family:var(--font-display);
  font-weight:900;
}
.hero .giant{
  position:relative;
  z-index:1;
  display:block;
  margin-top:14px;
  font-size:clamp(150px,15.6vw,224px);
    line-height:.9;
  letter-spacing:.035em;
  text-transform:uppercase;
  background:linear-gradient(180deg,var(--display-top) 8%,var(--display-bottom) 96%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  user-select:none;
}
/* 副标题:独立成层,介于 display 与正文之间的中间层级 */
.hero .sub{
  position:relative;
  z-index:3;
  display:block;
  margin-top:58px;
  font-size:31px;
  font-weight:600;
  line-height:1.42;
  letter-spacing:.02em;
  color:var(--text);
  max-width:820px;
}
.hero .sub em{
  font-style:normal;
  color:var(--accent);
  font-weight:800;
}

.cta-row{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:18px;
  margin-top:32px;
}

.lede{
  position:relative;
  z-index:3;
  margin-top:26px;
  max-width:640px;
  font-size:15px;
  line-height:1.9;
  color:var(--text-muted);
}
.lede strong{
  color:var(--text);
  font-weight:600;
}

/* 信任点:高亮文字 + 实心青绿对勾 + 细分隔,不做卡片 */
.trust{
  position:relative;
  z-index:3;
  display:flex;
  align-items:center;
  margin-top:26px;
  flex-wrap:wrap;
  row-gap:12px;
}
.trust li{
  display:flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.07em;
  color:var(--text);
  white-space:nowrap;
}
.trust li::before{
  content:"";
  width:10px;
  height:5px;
  border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(-45deg) translateY(-1px);
  flex-shrink:0;
}
.trust li:not(:last-child)::after{
  content:"";
  width:1px;
  height:13px;
  background:var(--border);
  margin-left:26px;
  margin-right:26px;
  flex-shrink:0;
}

/* 底部:下一层带的露出边缘 */
.band-hint{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index:4;
  height:46px;
  display:flex;
  align-items:center;
  gap:26px;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
  border-top:1px solid var(--border);
  background:var(--bg-panel);
}
.band-hint .depth-tag{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--accent);
  flex-shrink:0;
}
.band-hint .band-title{
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--text);
  white-space:nowrap;
}
.band-hint .band-desc{
  font-size:12px;
  color:var(--text-muted);
  letter-spacing:.02em;
  white-space:nowrap;
}
.band-hint .band-more{
  margin-left:auto;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--text-muted);
  flex-shrink:0;
}

/* Hero 响应式 */
@media (max-width:1200px){
  .hero .sub{font-size:26px;margin-top:44px}
}
@media (max-width:960px){
  .hero{height:auto;min-height:0;padding-bottom:120px}
    .hero .giant{font-size:clamp(76px,16.5vw,150px)}
  .hero .sub{font-size:clamp(21px,4.6vw,26px);margin-top:36px}
  .band-hint .band-desc{display:none}
}
@media (max-width:640px){
  .hero .giant{font-size:clamp(52px,16.5vw,96px);letter-spacing:.02em}
  .trust li:not(:last-child)::after{margin-left:14px;margin-right:14px}
  .band-hint{gap:14px}
  .band-hint .band-title{white-space:normal}
}

@media (prefers-reduced-motion:reduce){
  .bead .halo{animation:none;opacity:.28;transform:scale(1)}
  .bead .core{animation:none;opacity:1;transform:scale(1)}
  .cable-glow{animation:none;opacity:.7}
}

/* --------------------------------------------------------------------------
   2. 事实带(Hero 下方静态事实条,aria-hidden,严禁伪造实时数字)
   -------------------------------------------------------------------------- */
.fact-strip{
  display:flex;
  flex-wrap:wrap;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:var(--bg-panel);
}
.fact-strip-item{
  flex:1;
  min-width:150px;
  padding-top:18px;
  padding-bottom:18px;
  padding-left:24px;
  padding-right:24px;
  border-right:1px solid var(--border);
}
.fact-strip-item:last-child{border-right:none}
.fact-k{
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.16em;
  color:var(--text-muted);
  text-transform:uppercase;
}
.fact-v{
  margin-top:4px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
}
.fact-v em{color:var(--accent);font-style:normal}

/* --------------------------------------------------------------------------
   3. 海深分层带(核心卖点区,featuresLayout)
   -------------------------------------------------------------------------- */
.strata{
  border-top:1px solid var(--border);
}
.stratum{
  display:grid;
  grid-template-columns:180px minmax(0,1fr) 150px;
  gap:36px;
  align-items:center;
  padding-top:36px;
  padding-bottom:36px;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
  border-bottom:1px solid var(--border);
  background:transparent;
  transition:background-color .22s ease;
}
.stratum:hover{background:var(--bg-panel)}
.stratum > *{min-width:0}

.stratum-scale{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.12em;
  color:var(--text-muted);
  transition:color .22s ease;
}
.stratum:hover .stratum-scale{color:var(--accent)}
.stratum-scale .stratum-no{
  display:block;
  margin-top:6px;
  font-size:10px;
  letter-spacing:.2em;
  opacity:.7;
}

.stratum-body h3{
  font-size:18px;
  font-weight:700;
  letter-spacing:.02em;
}
.stratum-body p{
  margin-top:10px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-muted);
  max-width:640px;
}

.stratum-fig{
  justify-self:end;
  color:var(--shelf);
  transition:color .22s ease;
}
.stratum:hover .stratum-fig{color:var(--accent-dark)}
.stratum-fig svg{
  display:block;
  width:110px;
  height:auto;
  stroke:currentColor;
  fill:none;
  stroke-width:1;
}

@media (max-width:960px){
  .stratum{
    grid-template-columns:minmax(0,1fr);
    gap:14px;
    padding-left:var(--gutter);
    padding-right:var(--gutter);
  }
  .stratum-fig{display:none}
}

/* --------------------------------------------------------------------------
   4. Tab 切换(role=tablist 配套)
   -------------------------------------------------------------------------- */
.tab-list{
  display:flex;
  flex-wrap:wrap;
  border-bottom:1px solid var(--border);
}
.tab-list [role="tab"]{
  background:transparent;
  border:none;
  border-bottom:2px solid transparent;
  margin-bottom:-1px;
  padding-top:12px;
  padding-bottom:12px;
  padding-left:22px;
  padding-right:22px;
  font-size:14px;
  letter-spacing:.02em;
  color:var(--text-muted);
  cursor:pointer;
  transition:color .18s ease,border-color .18s ease;
}
.tab-list [role="tab"]:hover{color:var(--text)}
.tab-list [role="tab"][aria-selected="true"]{
  color:var(--accent);
  font-weight:600;
  border-bottom-color:var(--accent);
}
.tab-list .tab-note{
  margin-left:auto;
  align-self:center;
  font-family:var(--font-mono);
  font-size:10px;
  letter-spacing:.14em;
  color:var(--text-muted);
}
.tab-panel{padding-top:26px}
.tab-panel[hidden]{display:none}

@media (max-width:640px){
  .tab-list [role="tab"]{
    padding-left:14px;
    padding-right:14px;
    font-size:13px;
  }
  .tab-list .tab-note{display:none}
}

/* --------------------------------------------------------------------------
   5. 长页分类跳转导航(toc)
   -------------------------------------------------------------------------- */
/* 吸顶跟随:长页读到一半还能直接跳别的章节,不用滚回顶部。
   窄屏收成单行横滑——换行版吸顶后 6~8 个章节能占掉小半屏,挡正文 */
.toc-tabs{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  border:1px solid var(--border);
  background:var(--bg-panel);
  padding-top:10px;
  padding-bottom:10px;
  padding-left:10px;
  padding-right:10px;
}
@media (max-width:720px){
  .toc-tabs{
    flex-wrap:nowrap;
    overflow-x:auto;
    overscroll-behavior-inline:contain;
    scrollbar-width:none;
  }
  .toc-tabs::-webkit-scrollbar{display:none}
  .toc-tabs a{flex:0 0 auto}
}
.toc-tabs a{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--text-muted);
  padding-top:7px;
  padding-bottom:7px;
  padding-left:14px;
  padding-right:14px;
  border:1px solid transparent;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  transition:color .18s ease,border-color .18s ease;
}
.toc-tabs a:hover{color:var(--accent);border-color:var(--border)}
/* 当前所在章节,由共享脚本随滚动切换(在此之前这条样式从没被任何代码用上过) */
.toc-tabs a.is-cur{color:var(--accent);border-color:var(--accent-dark)}

/* 跳转落点让开吸顶条,否则标题正好被条子盖住,看着像没跳成功 */
body:has(.toc-tabs) section[id]{scroll-margin-top:5rem}

/* --------------------------------------------------------------------------
   6. FAQ 折叠项(原生 details,默认收起)
   -------------------------------------------------------------------------- */
.faq-item{
  border:1px solid var(--border);
  background:var(--bg-panel);
}
.faq-item + .faq-item{margin-top:-1px}
.faq-item summary{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding-top:16px;
  padding-bottom:16px;
  padding-left:20px;
  padding-right:20px;
  font-size:14.5px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  font-family:var(--font-mono);
  font-size:16px;
  color:var(--accent);
  flex-shrink:0;
  line-height:1.4;
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{color:var(--accent)}
.faq-body{
  padding-top:0;
  padding-bottom:18px;
  padding-left:20px;
  padding-right:20px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-muted);
}

/* --------------------------------------------------------------------------
   7. 套餐卡片
   -------------------------------------------------------------------------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.plan-grid > *{min-width:0}

.plan-card{
  position:relative;
  display:flex;
  flex-direction:column;
  background:var(--bg-panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding-top:28px;
  padding-bottom:28px;
  padding-left:26px;
  padding-right:26px;
  transition:border-color .22s ease,background-color .22s ease;
}
.plan-card:hover{border-color:var(--accent-dark)}
.plan-card.is-best{border-color:var(--accent)}
.plan-card.is-current{background:var(--bg-panel2)}

.plan-badge{
  position:absolute;
  top:-1px;
  right:-1px;
  background:var(--accent);
  color:var(--btn-primary-text);
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:.14em;
  padding-top:4px;
  padding-bottom:4px;
  padding-left:12px;
  padding-right:12px;
}
.plan-name{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--text-muted);
  text-transform:uppercase;
}
.plan-price{
  margin-top:14px;
  font-size:40px;
  font-weight:800;
  line-height:1;
  color:var(--text);
}
.plan-price .cur{font-size:20px;font-weight:700;margin-right:2px}
.plan-price .unit{
  font-size:13px;
  font-weight:400;
  color:var(--text-muted);
  margin-left:4px;
}
.plan-quota{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12.5px;
  letter-spacing:.06em;
  color:var(--accent);
}
.plan-feats{margin-top:20px;flex:1}
.plan-feats li{
  display:flex;
  align-items:baseline;
  gap:10px;
  font-size:13.5px;
  color:var(--text-muted);
  padding-top:5px;
  padding-bottom:5px;
}
.plan-feats li::before{
  content:"";
  width:9px;
  height:4px;
  border-left:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(-45deg);
  flex-shrink:0;
}
.plan-cta{margin-top:24px}

@media (max-width:960px){
  .plan-grid{grid-template-columns:minmax(0,1fr);max-width:440px;margin-inline:auto}
}

/* --------------------------------------------------------------------------
   8. 线路表(按地区分组,窄屏横滑)
   -------------------------------------------------------------------------- */
.node-table-wrap{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  border:1px solid var(--border);
  max-width:100%;
}
.node-table{
  width:100%;
  min-width:600px;
  border-collapse:collapse;
  font-size:13.5px;
}
.node-table th,
.node-table td{
  padding-top:11px;
  padding-bottom:11px;
  padding-left:18px;
  padding-right:18px;
  text-align:left;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
.node-table thead th{
  font-family:var(--font-mono);
  font-size:10.5px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--text-muted);
  background:var(--bg-panel);
}
.node-table tbody tr{transition:background-color .18s ease}
.node-table tbody tr:hover{background:var(--bg-panel)}
.node-table .node-region td{
  background:var(--bg-panel2);
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--accent);
}
.node-type{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.06em;
  color:var(--text-muted);
}
.node-type::before{
  content:"";
  width:6px;
  height:6px;
  flex-shrink:0;
  background:var(--text-muted);
}
.node-type.type-iepl{color:var(--accent)}
.node-type.type-iepl::before{background:var(--accent)}
.node-type.type-relay{color:var(--warn)}
.node-type.type-relay::before{background:var(--warn)}
.node-type.type-direct{color:var(--text-muted)}
.node-ok{color:var(--success);font-family:var(--font-mono);font-size:12px;letter-spacing:.06em}
.node-na{color:var(--text-muted);font-family:var(--font-mono);font-size:12px;opacity:.6}

/* --------------------------------------------------------------------------
   9. 平台卡片(五平台,CTA 指向 SPA #/download)
   -------------------------------------------------------------------------- */
.platform-grid{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:16px;
}
.platform-grid > *{min-width:0}
.platform-card{
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  background:var(--bg-panel);
  border:1px solid var(--border);
  padding-top:26px;
  padding-bottom:24px;
  padding-left:16px;
  padding-right:16px;
  transition:border-color .22s ease,background-color .22s ease;
}
.platform-card:hover{
  border-color:var(--accent-dark);
  background:var(--bg-panel2);
}
.platform-ico{
  width:34px;
  height:34px;
  color:var(--accent);
  flex-shrink:0;
}
.platform-ico svg{
  display:block;
  width:100%;
  height:100%;
  stroke:currentColor;
  fill:none;
  stroke-width:1.2;
}
.platform-name{
  margin-top:12px;
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.platform-note{
  margin-top:4px;
  font-size:11px;
  color:var(--text-muted);
}
.platform-card .btn{margin-top:16px}

@media (max-width:960px){
  .platform-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:640px){
  .platform-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}

/* --------------------------------------------------------------------------
   10. 博客文章卡
   -------------------------------------------------------------------------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.post-grid > *{min-width:0}
.post-card{
  display:flex;
  flex-direction:column;
  background:var(--bg-panel);
  border:1px solid var(--border);
  padding-top:24px;
  padding-bottom:22px;
  padding-left:24px;
  padding-right:24px;
  transition:border-color .22s ease,background-color .22s ease;
}
.post-card:hover{
  border-color:var(--accent-dark);
  background:var(--bg-panel2);
}
.post-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--text-muted);
}
.post-tag{
  border:1px solid var(--border);
  color:var(--accent);
  padding-top:2px;
  padding-bottom:2px;
  padding-left:9px;
  padding-right:9px;
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.post-title{
  margin-top:14px;
  font-size:16.5px;
  font-weight:700;
  line-height:1.5;
  transition:color .18s ease;
}
.post-card:hover .post-title{color:var(--accent)}
.post-summary{
  margin-top:10px;
  font-size:13.5px;
  line-height:1.85;
  color:var(--text-muted);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-more{
  margin-top:auto;
  padding-top:16px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--accent);
}

@media (max-width:960px){
  .post-grid{grid-template-columns:minmax(0,1fr)}
}

/* --------------------------------------------------------------------------
   11. 面包屑(博客文章页)
   -------------------------------------------------------------------------- */
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin-top:1.4rem;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--text-muted);
}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li + li::before{content:"/";opacity:.5}
.crumbs a:hover{color:var(--accent)}
.crumbs .crumb-cur{
  color:var(--text);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:60vw;
}

/* --------------------------------------------------------------------------
   12. 正文排版(.prose:教程/文章/条款)
   -------------------------------------------------------------------------- */
.prose{max-width:780px}
.prose > * + *{margin-top:1.1em}
.prose h2{
  margin-top:2.2em;
  padding-left:14px;
  border-left:2px solid var(--accent);
  font-size:clamp(20px,2.4vw,26px);
}
.prose h3{margin-top:1.8em;font-size:17px}
.prose p{color:var(--text-muted)}
.prose a{
  color:var(--accent);
  border-bottom:1px solid var(--accent-dark);
}
.prose a:hover{color:var(--text);border-bottom-color:var(--text)}
.prose img{border:1px solid var(--border)}

.prose ul > li{
  position:relative;
  padding-left:22px;
  margin-top:.5em;
  color:var(--text-muted);
}
.prose ul > li::before{
  content:"";
  position:absolute;
  left:0;
  top:.85em;
  width:10px;
  height:1px;
  background:var(--accent);
}

.prose ol{counter-reset:step}
.prose ol > li{
  counter-increment:step;
  position:relative;
  padding-left:46px;
  margin-top:1.2em;
  color:var(--text-muted);
}
.prose ol > li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;
  left:0;
  top:.1em;
  width:30px;
  height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--accent);
}

.prose blockquote{
  border:1px solid var(--border);
  border-left:2px solid var(--accent);
  background:var(--bg-panel);
  padding-top:16px;
  padding-bottom:16px;
  padding-left:20px;
  padding-right:20px;
  color:var(--text-muted);
  font-size:14px;
}
.prose pre{
  background:var(--bg-panel);
  border:1px solid var(--border);
  padding-top:16px;
  padding-bottom:16px;
  padding-left:20px;
  padding-right:20px;
  font-size:13px;
  line-height:1.7;
}

/* 裸 data-table 防御:文章可能输出不带横滑容器的表格 */
.prose > .data-table{
  display:block;
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  max-width:100%;
  min-width:0;
}

/* --------------------------------------------------------------------------
   13. 通用数据表
   -------------------------------------------------------------------------- */
.table-scroll{
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
  max-width:100%;
}
.data-table{
  width:100%;
  border-collapse:collapse;
  font-size:13.5px;
}
.data-table th,
.data-table td{
  border:1px solid var(--border);
  padding-top:10px;
  padding-bottom:10px;
  padding-left:14px;
  padding-right:14px;
  text-align:left;
  color:var(--text-muted);
}
.data-table thead th{
  background:var(--bg-panel2);
  font-family:var(--font-mono);
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--text-muted);
}
.data-table td strong{color:var(--text)}

/* --------------------------------------------------------------------------
   14. Callout 引用块
   -------------------------------------------------------------------------- */
.callout{
  border:1px solid var(--border);
  border-left:2px solid var(--accent);
  background:var(--bg-panel);
  padding-top:16px;
  padding-bottom:16px;
  padding-left:20px;
  padding-right:20px;
  font-size:14px;
  line-height:1.85;
  color:var(--text-muted);
}
.callout strong{color:var(--text)}
.callout-warn{border-left-color:var(--warn)}
.callout-error{border-left-color:var(--error)}
.callout .callout-t{
  display:block;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.16em;
  color:var(--accent);
  margin-bottom:6px;
}
.callout-warn .callout-t{color:var(--warn)}
.callout-error .callout-t{color:var(--error)}

/* --------------------------------------------------------------------------
   15. 文末推广块(博客文章页,全站唯一)
   -------------------------------------------------------------------------- */
.post-promo{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:20px 28px;
  margin-top:52px;
  border:1px solid var(--accent-dark);
  background:var(--bg-panel);
  padding-top:26px;
  padding-bottom:26px;
  padding-left:28px;
  padding-right:28px;
}
.post-promo-body{flex:1;min-width:220px}
.post-promo-brand{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--accent);
}
.post-promo-title{
  margin-top:8px;
  font-size:18px;
  font-weight:800;
}
.post-promo-desc{
  margin-top:6px;
  font-size:13.5px;
  color:var(--text-muted);
}
.post-promo .btn{flex-shrink:0}

/* --------------------------------------------------------------------------
   16. 徽章 / 事实胶囊
   -------------------------------------------------------------------------- */
.chip-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--border);
  padding-top:5px;
  padding-bottom:5px;
  padding-left:12px;
  padding-right:12px;
  font-family:var(--font-mono);
  font-size:11.5px;
  letter-spacing:.08em;
  color:var(--text);
  max-width:100%;
  overflow:hidden;
  text-overflow:ellipsis;
}
.chip::before{
  content:"";
  width:6px;
  height:6px;
  background:var(--accent);
  flex-shrink:0;
}
.chip-amber::before{background:var(--warn)}
.chip-muted{color:var(--text-muted)}
.chip-muted::before{background:var(--text-muted)}

.badge{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:10px;
  font-weight:700;
  letter-spacing:.14em;
  padding-top:3px;
  padding-bottom:3px;
  padding-left:10px;
  padding-right:10px;
  background:var(--accent);
  color:var(--btn-primary-text);
  max-width:100%;
  overflow:hidden;
}
.badge-amber{background:var(--warn)}
.badge-line{
  background:transparent;
  border:1px solid var(--accent-dark);
  color:var(--accent);
}

/* --------------------------------------------------------------------------
   17. 底部 CTA 带
   -------------------------------------------------------------------------- */
.cta-band{
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  background:var(--bg-panel);
  padding-top:56px;
  padding-bottom:56px;
}
.cta-band-inner{
  max-width:1200px;
  margin-inline:auto;
  padding-inline:var(--gutter);
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:24px 40px;
}
.cta-band-body{flex:1;min-width:240px}
.cta-band-title{font-size:clamp(20px,2.6vw,28px);font-weight:800}
.cta-band-desc{margin-top:8px;font-size:14px;color:var(--text-muted)}
.cta-band .btn{flex-shrink:0}

/* --------------------------------------------------------------------------
   18. 预览色板(design-preview 专用)
   -------------------------------------------------------------------------- */
.swatch-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
  gap:14px;
}
.swatch-grid > *{min-width:0}
.swatch{border:1px solid var(--border)}
.swatch-color{height:64px}
.swatch-name{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.04em;
  color:var(--text-muted);
  padding-top:8px;
  padding-bottom:8px;
  padding-left:10px;
  padding-right:10px;
  overflow-wrap:anywhere;
}
.sw--bg{background:var(--bg)}
.sw--bg-panel{background:var(--bg-panel)}
.sw--bg-panel2{background:var(--bg-panel2)}
.sw--border{background:var(--border)}
.sw--accent{background:var(--accent)}
.sw--accent-dark{background:var(--accent-dark)}
.sw--text{background:var(--text)}
.sw--text-muted{background:var(--text-muted)}
.sw--success{background:var(--success)}
.sw--warn{background:var(--warn)}
.sw--warn-bright{background:var(--warn-bright)}
.sw--error{background:var(--error)}
/* --------------------------------------------------------------------------
   线路状态(servers.js 渲染,2026-08-04 加入):等宽字数字与深海直角描边风格
   -------------------------------------------------------------------------- */
.server-status{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;margin-top:8px}
.srv-row{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--border);background:var(--bg-panel);font-size:.92rem;min-width:0}
.srv-dot{width:7px;height:7px;flex:0 0 auto;border-radius:50%;background:var(--accent);box-shadow:0 0 8px var(--cable-glow);animation:srv-pulse 2.4s ease-in-out infinite}
@keyframes srv-pulse{0%,100%{opacity:1}50%{opacity:.4}}
.srv-flag{flex:0 0 auto;font-size:1rem}
.srv-name{font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.srv-type{flex:0 0 auto;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.05em;padding:2px 7px;border:1px solid var(--border);color:var(--text-muted)}
.srv-ms{margin-left:auto;flex:0 0 auto;font-family:var(--font-mono);font-weight:700;font-size:.88rem;color:var(--accent)}
.srv-bw{flex:0 0 auto;width:56px;text-align:right;font-family:var(--font-mono);font-size:.8rem;color:var(--text-muted)}
@media (max-width:760px){.server-status{grid-template-columns:1fr}.srv-bw{display:none}}