/* ============================================================
   reli.镀金端子.中国 —— 深色仪器面板风（独立骨架，rlv- 前缀）
   主色：仪器墨底 + 铜绿（钝化/防腐试验室意象）+ 琥珀判据色
   ============================================================ */

:root{
  --rlv-bg:#0A1017;
  --rlv-bg-soft:#0D151F;
  --rlv-panel:#101A26;
  --rlv-panel-2:#14202E;
  --rlv-line:#1E2F42;
  --rlv-line-2:#263A50;
  --rlv-text:#E6EDF5;
  --rlv-text-2:#93A5B8;
  --rlv-text-3:#5D7186;
  --rlv-accent:#2FBF9B;
  --rlv-accent-deep:#1B8F74;
  --rlv-accent-soft:rgba(47,191,155,.12);
  --rlv-amber:#E8A33D;
  --rlv-amber-soft:rgba(232,163,61,.12);
  --rlv-red:#E05C5C;
  --rlv-mono:"JetBrains Mono","Cascadia Code","SF Mono",Consolas,"Courier New",monospace;
  --rlv-sans:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --rlv-nav-h:64px;
  --rlv-h2-inset:15px;        /* 面包屑与 H2 文字左缘对齐量 = 3px 边条 + 12px 内距 */
  --rlv-radius:10px;
  --rlv-maxw:1200px;
}

/* ---------- 基础 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--rlv-sans);
  background:var(--rlv-bg);
  background-image:radial-gradient(rgba(47,191,155,.055) 1px, transparent 1px);
  background-size:26px 26px;
  color:var(--rlv-text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--rlv-accent);text-decoration:none;transition:color .18s}
a:hover{color:var(--rlv-amber)}
img{max-width:100%;height:auto;display:block}
ul,ol{padding-left:1.4em}
::selection{background:rgba(47,191,155,.28);color:#fff}

/* ---------- 顶部导航（PC 固定） ---------- */
.rlv-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  height:var(--rlv-nav-h);
  background:rgba(10,16,23,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--rlv-line);
}
.rlv-header-inner{
  max-width:var(--rlv-maxw);height:100%;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.rlv-brand{display:flex;align-items:center;gap:10px;color:var(--rlv-text);font-weight:700;font-size:17px;letter-spacing:.5px}
.rlv-brand:hover{color:#fff}
.rlv-brand-mark{
  width:34px;height:34px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--rlv-accent) 0%,var(--rlv-accent-deep) 100%);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--rlv-mono);font-weight:700;color:#04120D;font-size:15px;
  box-shadow:0 0 14px rgba(47,191,155,.35);
}
.rlv-brand small{display:block;font-size:10px;color:var(--rlv-text-3);font-weight:400;letter-spacing:1px}

.rlv-nav{display:flex;align-items:center;gap:4px}
.rlv-nav > li{list-style:none;position:relative}
.rlv-nav a,.rlv-nav .rlv-nav-toggle{
  display:flex;align-items:center;gap:5px;
  color:var(--rlv-text-2);font-size:14.5px;padding:8px 13px;border-radius:8px;
  background:none;border:none;font-family:inherit;cursor:pointer;
  transition:color .18s,background .18s;
}
.rlv-nav a:hover,.rlv-nav .rlv-nav-toggle:hover,.rlv-nav a.rlv-active{color:#fff;background:var(--rlv-panel-2)}
.rlv-nav .rlv-caret{font-size:9px;color:var(--rlv-text-3);transition:transform .2s}
.rlv-nav > li:hover .rlv-caret{transform:rotate(180deg)}
.rlv-dropdown{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%);
  min-width:210px;background:var(--rlv-panel);border:1px solid var(--rlv-line);
  border-radius:var(--rlv-radius);padding:8px;display:none;
  box-shadow:0 18px 44px rgba(0,0,0,.5);
}
.rlv-nav > li:hover .rlv-dropdown,
.rlv-nav > li:focus-within .rlv-dropdown{display:block}
/* 悬停桥：覆盖按钮与面板间空隙，鼠标下移途中不丢失 hover */
.rlv-nav > li::after{
  content:"";position:absolute;top:100%;left:50%;transform:translateX(-50%);
  width:210px;height:12px;display:none;
}
.rlv-nav > li:hover::after{display:block}
.rlv-dropdown a{display:block;padding:8px 12px;font-size:13.5px;border-radius:7px}
.rlv-dropdown a .rlv-dd-idx{font-family:var(--rlv-mono);color:var(--rlv-text-3);font-size:11px;margin-right:8px}

/* 汉堡按钮（移动端） */
.rlv-burger{
  display:none;width:42px;height:42px;border:1px solid var(--rlv-line);
  background:var(--rlv-panel);border-radius:9px;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.rlv-burger span{display:block;width:18px;height:2px;background:var(--rlv-text);border-radius:2px;transition:.22s}
.rlv-burger.rlv-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.rlv-burger.rlv-open span:nth-child(2){opacity:0}
.rlv-burger.rlv-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动端导航面板 */
.rlv-mnav{
  display:none;position:fixed;top:var(--rlv-nav-h);left:0;right:0;bottom:0;z-index:880;
  background:rgba(10,16,23,.98);overflow-y:auto;padding:18px 20px 60px;
}
.rlv-mnav.rlv-show{display:block}
.rlv-mnav a{display:block;color:var(--rlv-text);font-size:16px;padding:13px 6px;border-bottom:1px solid var(--rlv-line)}
.rlv-mnav details{border-bottom:1px solid var(--rlv-line)}
.rlv-mnav details summary{
  list-style:none;cursor:pointer;color:var(--rlv-text);font-size:16px;padding:13px 6px;
  display:flex;justify-content:space-between;align-items:center;
}
.rlv-mnav details summary::-webkit-details-marker{display:none}
.rlv-mnav details summary::after{content:"+";font-family:var(--rlv-mono);color:var(--rlv-accent);font-size:18px}
.rlv-mnav details[open] summary::after{content:"–"}
.rlv-mnav details a{padding:10px 6px 10px 18px;font-size:14px;color:var(--rlv-text-2);border-bottom:none}

/* ---------- 页面骨架 ---------- */
.rlv-page{padding-top:var(--rlv-nav-h);min-height:100vh;display:flex;flex-direction:column}
.rlv-container{max-width:var(--rlv-maxw);margin:0 auto;padding:0 24px;width:100%}
.rlv-main{flex:1}

/* ---------- 面包屑（左缘与 H2 文字严格对齐） ---------- */
.rlv-breadcrumb{
  padding:18px 0 6px;padding-left:var(--rlv-h2-inset);
  font-size:13px;color:var(--rlv-text-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-family:var(--rlv-mono);
}
.rlv-breadcrumb a{color:var(--rlv-text-2)}
.rlv-breadcrumb a:hover{color:var(--rlv-accent)}
.rlv-breadcrumb .rlv-sep{color:var(--rlv-line-2)}
.rlv-breadcrumb [aria-current="page"]{color:var(--rlv-accent);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 详情页布局：内容 + 右侧目录 ---------- */
.rlv-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:48px;
  padding:10px 24px 70px;max-width:var(--rlv-maxw);margin:0 auto;width:100%;
}
.rlv-content-main{min-width:0}
.rlv-toc-aside{position:sticky;top:calc(var(--rlv-nav-h) + 20px);max-height:calc(100vh - var(--rlv-nav-h) - 40px);overflow-y:auto;align-self:start}

.rlv-title{
  font-size:clamp(22px,3.2vw,30px);line-height:1.4;font-weight:700;
  padding:10px 0 4px;letter-spacing:.3px;
}
.rlv-meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:6px 0 20px;border-bottom:1px solid var(--rlv-line);margin-bottom:26px}
.rlv-chip{
  font-family:var(--rlv-mono);font-size:12px;color:var(--rlv-accent);
  border:1px solid rgba(47,191,155,.4);background:var(--rlv-accent-soft);
  padding:3px 10px;border-radius:999px;letter-spacing:.5px;
}
.rlv-update{font-family:var(--rlv-mono);font-size:12px;color:var(--rlv-text-3)}
.rlv-tag-row{display:flex;gap:8px;flex-wrap:wrap}
.rlv-tag-text{font-family:var(--rlv-mono);font-size:11.5px;color:var(--rlv-text-3);border:1px dashed var(--rlv-line-2);padding:2px 9px;border-radius:999px}

/* ---------- 正文 ---------- */
.rlv-body{font-size:15.5px;color:#C7D3DF}
.rlv-body p{margin:0 0 15px}
.rlv-body strong{color:#fff}
.rlv-body h2{
  font-size:20px;color:#fff;font-weight:700;line-height:1.5;
  margin:38px 0 16px;padding-left:12px;border-left:3px solid var(--rlv-accent);
  scroll-margin-top:calc(var(--rlv-nav-h) + 16px);
}
.rlv-body h3{
  font-size:16.5px;color:var(--rlv-text);font-weight:600;
  margin:24px 0 12px;padding-left:10px;border-left:2px solid var(--rlv-line-2);
  scroll-margin-top:calc(var(--rlv-nav-h) + 16px);
}
.rlv-body ul,.rlv-body ol{margin:0 0 16px}
.rlv-body li{margin-bottom:7px}
.rlv-body blockquote{
  margin:18px 0;padding:13px 18px;background:var(--rlv-panel);
  border:1px solid var(--rlv-line);border-left:3px solid var(--rlv-amber);
  border-radius:0 var(--rlv-radius) var(--rlv-radius) 0;color:var(--rlv-text-2);font-size:14.5px;
}
.rlv-body blockquote p{margin:0 0 6px}
.rlv-body blockquote p:last-child{margin-bottom:0}
.rlv-body code{font-family:var(--rlv-mono);font-size:13px;background:var(--rlv-panel-2);border:1px solid var(--rlv-line);border-radius:5px;padding:1px 6px;color:var(--rlv-accent)}
.rlv-body hr{border:none;height:1px;background:linear-gradient(90deg,var(--rlv-line),transparent);margin:30px 0}

/* 表格：覆盖正文全部 <table>（含 Markdown 裸表） */
.rlv-body table,table.rlv-spec{
  width:100%;border-collapse:collapse;margin:18px 0 22px;font-size:14px;
  border:1px solid #2C4258;border-radius:var(--rlv-radius);overflow:hidden;
}
.rlv-body table th,table.rlv-spec th{
  background:linear-gradient(180deg,#16324A,#122637);color:#DFF3EC;
  font-family:var(--rlv-mono);font-size:12.5px;font-weight:600;letter-spacing:.5px;
  text-align:left;padding:10px 14px;border:1px solid #2C4258;white-space:nowrap;
}
.rlv-body table td,table.rlv-spec td{
  padding:9px 14px;border:1px solid #24384C;color:#C7D3DF;vertical-align:top;
}
.rlv-body table tbody tr:nth-child(even) td,table.rlv-spec tbody tr:nth-child(even) td{background:rgba(20,32,46,.55)}
.rlv-body table tbody tr:hover td,table.rlv-spec tbody tr:hover td{background:rgba(47,191,155,.07)}
.rlv-body table td .num,table.rlv-spec td .num{font-family:var(--rlv-mono);color:var(--rlv-accent)}

/* ---------- FAQ（裸 <details>，与 faq_dom: bare_details 对齐） ---------- */
.rlv-faq{margin:34px 0 10px}
.rlv-faq > h2{font-size:20px;color:#fff;margin:0 0 16px;padding-left:12px;border-left:3px solid var(--rlv-accent)}
.rlv-faq details{
  background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);
  margin-bottom:10px;overflow:hidden;
}
.rlv-faq details summary{
  list-style:none;cursor:pointer;padding:13px 16px;color:#fff;font-size:14.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:12px;
}
.rlv-faq details summary::-webkit-details-marker{display:none}
.rlv-faq details summary::after{
  content:"+";font-family:var(--rlv-mono);color:var(--rlv-accent);font-size:17px;flex:none;
}
.rlv-faq details[open] summary::after{content:"–"}
.rlv-faq details[open] summary{border-bottom:1px solid var(--rlv-line);background:var(--rlv-panel-2)}
.rlv-faq details p{padding:12px 16px 14px;font-size:14px;color:var(--rlv-text-2)}

/* ---------- 实践经验 callout ---------- */
.rlv-case{
  margin:30px 0 8px;padding:18px 20px;border-radius:var(--rlv-radius);
  background:linear-gradient(135deg,rgba(47,191,155,.09),rgba(16,26,38,.9));
  border:1px solid rgba(47,191,155,.32);
}
.rlv-case h2{font-size:15px!important;color:var(--rlv-accent)!important;border:none!important;padding:0!important;margin:0 0 8px!important;font-family:var(--rlv-mono);letter-spacing:1px}
.rlv-case p{font-size:14px;color:var(--rlv-text-2);margin:0}

/* ---------- 目录（原生 details 折叠面板） ---------- */
.rlv-toc-panel{
  background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);
  overflow:hidden;
}
.rlv-toc-panel > summary{
  list-style:none;cursor:pointer;padding:12px 16px;font-family:var(--rlv-mono);font-size:12.5px;
  color:var(--rlv-accent);letter-spacing:1.5px;border-bottom:1px solid var(--rlv-line);
  display:flex;justify-content:space-between;align-items:center;
}
.rlv-toc-panel > summary::-webkit-details-marker{display:none}
.rlv-toc-panel > summary::after{content:"▾";font-size:11px}
.rlv-toc-panel[open] > summary::after{content:"▴"}
.rlv-toc-panel ol{list-style:none;padding:10px 12px 14px}
.rlv-toc-panel li{margin:0}
.rlv-toc-panel a{
  display:block;padding:6px 10px;font-size:13px;color:var(--rlv-text-2);border-radius:6px;
  border-left:2px solid transparent;line-height:1.5;
}
.rlv-toc-panel a:hover{color:var(--rlv-accent);background:var(--rlv-panel-2);border-left-color:var(--rlv-accent)}
.rlv-toc-panel .rlv-toc-sub a{padding-left:24px;font-size:12.5px;color:var(--rlv-text-3)}
.rlv-toc-box{background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);padding:14px 16px;margin-bottom:16px}
.rlv-toc-box p{font-family:var(--rlv-mono);font-size:11.5px;color:var(--rlv-text-3);letter-spacing:1px;margin-bottom:8px}

/* ---------- 列表页：左侧分类 + 右侧内容 ---------- */
.rlv-list-layout{
  display:grid;grid-template-columns:240px minmax(0,1fr);gap:48px;
  padding:10px 24px 70px;max-width:var(--rlv-maxw);margin:0 auto;width:100%;
}
.rlv-cat-side{min-width:0}
.rlv-cat-panel{
  background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);
  position:sticky;top:calc(var(--rlv-nav-h) + 20px);overflow:hidden;
}
.rlv-cat-panel > summary{
  list-style:none;cursor:pointer;padding:12px 16px;font-family:var(--rlv-mono);font-size:12.5px;
  color:var(--rlv-accent);letter-spacing:1.5px;border-bottom:1px solid var(--rlv-line);
  display:flex;justify-content:space-between;align-items:center;
}
.rlv-cat-panel > summary::-webkit-details-marker{display:none}
.rlv-cat-panel > summary::after{content:"▾";font-size:11px}
.rlv-cat-panel[open] > summary::after{content:"▴"}
.rlv-cat-panel ul{list-style:none;padding:10px 12px 14px}
.rlv-cat-panel a{
  display:flex;justify-content:space-between;align-items:center;gap:8px;
  padding:9px 12px;font-size:14px;color:var(--rlv-text-2);border-radius:7px;
  border-left:2px solid transparent;
}
.rlv-cat-panel a:hover{color:var(--rlv-accent);background:var(--rlv-panel-2)}
.rlv-cat-panel a.rlv-active{color:var(--rlv-accent);background:var(--rlv-accent-soft);border-left-color:var(--rlv-accent);font-weight:600}
.rlv-cat-panel .rlv-cat-count{font-family:var(--rlv-mono);font-size:11px;color:var(--rlv-text-3)}
.rlv-cat-panel a.rlv-active .rlv-cat-count{color:var(--rlv-accent)}

.rlv-cat-content{min-width:0}
.rlv-list-title{font-size:clamp(22px,3vw,28px);font-weight:700;color:#fff;padding:12px 0 6px}
.rlv-list-desc{color:var(--rlv-text-2);font-size:14.5px;margin-bottom:8px}
.rlv-list-intro h2{margin-top:22px}
.rlv-list-items{list-style:none;padding:0;margin:22px 0 0}
.rlv-list-items li{border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);background:var(--rlv-panel);margin-bottom:14px;transition:border-color .18s,transform .18s}
.rlv-list-items li:hover{border-color:rgba(47,191,155,.45);transform:translateX(3px)}
.rlv-list-items a{display:block;padding:17px 20px;color:var(--rlv-text)}
.rlv-list-items a:hover{color:#fff}
.rlv-list-items h3{font-size:16px;color:#fff;margin-bottom:6px;font-weight:600}
.rlv-list-items p{font-size:13.5px;color:var(--rlv-text-2);margin-bottom:8px;line-height:1.6}
.rlv-list-items .rlv-item-meta{font-family:var(--rlv-mono);font-size:11.5px;color:var(--rlv-text-3);display:flex;gap:12px;flex-wrap:wrap}
.rlv-list-items .rlv-item-meta .rlv-mt{color:var(--rlv-accent)}

/* ---------- 首页 ---------- */
.rlv-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--rlv-line);
  background:
    radial-gradient(900px 420px at 78% -10%,rgba(47,191,155,.14),transparent 62%),
    radial-gradient(700px 380px at 8% 110%,rgba(232,163,61,.07),transparent 60%),
    var(--rlv-bg-soft);
}
.rlv-hero-inner{max-width:var(--rlv-maxw);margin:0 auto;padding:84px 24px 66px;position:relative;z-index:1}
.rlv-hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--rlv-mono);font-size:12px;
  color:var(--rlv-accent);border:1px solid rgba(47,191,155,.4);background:var(--rlv-accent-soft);
  padding:5px 14px;border-radius:999px;letter-spacing:2px;margin-bottom:22px;
}
.rlv-hero-tag .rlv-dot{width:7px;height:7px;border-radius:50%;background:var(--rlv-accent);box-shadow:0 0 8px var(--rlv-accent);animation:rlv-pulse 2.2s infinite}
@keyframes rlv-pulse{0%,100%{opacity:1}50%{opacity:.35}}
.rlv-hero h1{font-size:clamp(30px,4.6vw,46px);line-height:1.28;font-weight:800;color:#fff;letter-spacing:.5px;max-width:820px}
.rlv-hero h1 .rlv-hl{color:var(--rlv-accent)}
.rlv-hero-sub{margin:20px 0 30px;font-size:16px;color:var(--rlv-text-2);max-width:720px;line-height:1.85}
.rlv-hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.rlv-btn{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;
  padding:11px 24px;border-radius:999px;transition:.18s;font-family:inherit;cursor:pointer;
}
.rlv-btn-primary{background:linear-gradient(135deg,var(--rlv-accent),var(--rlv-accent-deep));color:#04120D;border:none;box-shadow:0 8px 26px rgba(47,191,155,.28)}
.rlv-btn-primary:hover{color:#04120D;transform:translateY(-2px);box-shadow:0 12px 32px rgba(47,191,155,.36)}
.rlv-btn-ghost{background:transparent;color:var(--rlv-text);border:1px solid var(--rlv-line-2)}
.rlv-btn-ghost:hover{border-color:var(--rlv-accent);color:var(--rlv-accent)}
.rlv-hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(47,191,155,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(47,191,155,.05) 1px,transparent 1px);background-size:56px 56px;mask-image:radial-gradient(700px 420px at 70% 20%,#000 30%,transparent 75%)}

/* 读数卡（仪器面板意象） */
.rlv-readouts{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:44px}
.rlv-readout{
  background:linear-gradient(180deg,var(--rlv-panel),rgba(13,21,31,.9));
  border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);
  padding:16px 18px 13px;position:relative;overflow:hidden;
}
.rlv-readout::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--rlv-accent),transparent)}
.rlv-readout-value{font-family:var(--rlv-mono);font-size:26px;font-weight:700;color:var(--rlv-accent);line-height:1.2;display:block}
.rlv-readout-value small{font-size:13px;color:var(--rlv-text-2);font-weight:400;margin-left:2px}
.rlv-readout-label{font-size:12px;color:var(--rlv-text-3);display:block;margin-top:6px;letter-spacing:.5px}
.rlv-readout.amber::before{background:linear-gradient(90deg,var(--rlv-amber),transparent)}
.rlv-readout.amber .rlv-readout-value{color:var(--rlv-amber)}

/* 示波器曲线分隔 */
.rlv-trace{display:block;width:100%;height:56px;margin:0}
.rlv-trace path{fill:none;stroke:var(--rlv-accent);stroke-width:2;opacity:.85;filter:drop-shadow(0 0 6px rgba(47,191,155,.5))}
.rlv-trace .rlv-trace-grid{stroke:var(--rlv-line);stroke-width:1;opacity:.5}

/* 通用区块 */
.rlv-section{max-width:var(--rlv-maxw);margin:0 auto;padding:64px 24px 8px}
.rlv-section-head{margin-bottom:30px}
.rlv-section-kicker{font-family:var(--rlv-mono);font-size:12px;color:var(--rlv-accent);letter-spacing:2.5px;margin-bottom:8px}
.rlv-section-head h2{font-size:clamp(22px,3vw,28px);color:#fff;font-weight:700;padding-left:12px;border-left:3px solid var(--rlv-accent)}
.rlv-section-head p{color:var(--rlv-text-2);font-size:14.5px;margin-top:12px;max-width:760px}

/* 服务卡片网格（首页产品区） */
.rlv-svc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:16px}
.rlv-svc-card{
  background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);
  padding:22px 20px;transition:.18s;position:relative;overflow:hidden;
}
.rlv-svc-card:hover{border-color:rgba(47,191,155,.5);transform:translateY(-3px);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.rlv-svc-card::after{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--rlv-accent);opacity:0;transition:.18s}
.rlv-svc-card:hover::after{opacity:1}
.rlv-svc-card h3{font-size:16.5px;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:9px}
.rlv-svc-card h3 .rlv-svc-ico{
  width:30px;height:30px;border-radius:8px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--rlv-accent-soft);border:1px solid rgba(47,191,155,.35);
  font-family:var(--rlv-mono);font-size:13px;color:var(--rlv-accent);
}
.rlv-svc-card p{font-size:13.5px;color:var(--rlv-text-2);line-height:1.7;margin-bottom:12px}
.rlv-svc-card .rlv-svc-more{font-family:var(--rlv-mono);font-size:12px;color:var(--rlv-accent);letter-spacing:.5px}

/* 寿命进度条 */
.rlv-gauge{margin:10px 0 16px}
.rlv-gauge-track{height:8px;background:var(--rlv-panel-2);border:1px solid var(--rlv-line);border-radius:999px;overflow:hidden}
.rlv-gauge-fill{height:100%;background:linear-gradient(90deg,var(--rlv-accent-deep),var(--rlv-accent));border-radius:999px;box-shadow:0 0 10px rgba(47,191,155,.4)}
.rlv-gauge-meta{display:flex;justify-content:space-between;font-family:var(--rlv-mono);font-size:11px;color:var(--rlv-text-3);margin-top:5px}
.rlv-gauge-meta .rlv-gm-val{color:var(--rlv-accent)}

/* 行业基线 */
.rlv-baseline{background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);padding:26px 28px}
.rlv-baseline ul{list-style:none;padding:0}
.rlv-baseline li{padding:12px 0 12px 26px;position:relative;border-bottom:1px dashed var(--rlv-line);color:var(--rlv-text-2);font-size:14.5px}
.rlv-baseline li:last-child{border-bottom:none}
.rlv-baseline li::before{content:"▸";position:absolute;left:4px;color:var(--rlv-accent)}
.rlv-baseline li strong{color:#fff}
.rlv-baseline .rlv-num{font-family:var(--rlv-mono);color:var(--rlv-amber)}

/* 场景标签云 */
.rlv-scene-tags{display:flex;flex-wrap:wrap;gap:10px}
.rlv-scene-tags a,.rlv-scene-tags span{
  font-size:13.5px;color:var(--rlv-text-2);border:1px solid var(--rlv-line);
  background:var(--rlv-panel);padding:8px 16px;border-radius:999px;transition:.16s;
}
.rlv-scene-tags a:hover{border-color:var(--rlv-accent);color:var(--rlv-accent)}

/* 双栏列表（首页最新文章/产品） */
.rlv-duo{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.rlv-duo-card{background:var(--rlv-panel);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);padding:22px 24px}
.rlv-duo-card h3{font-size:16px;color:#fff;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between}
.rlv-duo-card h3 .rlv-duo-more{font-size:12px;color:var(--rlv-accent);font-family:var(--rlv-mono)}
.rlv-duo-card ul{list-style:none;padding:0}
.rlv-duo-card li{padding:9px 0;border-bottom:1px dashed var(--rlv-line);font-size:14px}
.rlv-duo-card li:last-child{border-bottom:none}
.rlv-duo-card li a{color:var(--rlv-text-2)}
.rlv-duo-card li a:hover{color:var(--rlv-accent)}
.rlv-duo-card li .rlv-duo-idx{font-family:var(--rlv-mono);font-size:11px;color:var(--rlv-text-3);margin-right:10px}

/* ---------- 叶子页 ---------- */
.rlv-page-wrap{max-width:920px;margin:0 auto;padding:10px 24px 70px}
.rlv-card{
  background:linear-gradient(180deg,var(--rlv-panel),rgba(13,21,31,.92));
  border:1px solid var(--rlv-line);border-radius:16px;padding:44px 48px;
}
.rlv-card .rlv-title{padding-top:0}
.rlv-card .rlv-body{font-size:15px}
.rlv-contact-rows{margin:26px 0 8px}
.rlv-contact-row{
  display:flex;align-items:center;gap:16px;padding:15px 18px;margin-bottom:12px;
  background:var(--rlv-panel-2);border:1px solid var(--rlv-line);border-radius:var(--rlv-radius);
}
.rlv-contact-ico{
  width:40px;height:40px;border-radius:10px;flex:none;display:flex;align-items:center;justify-content:center;
  background:var(--rlv-accent-soft);border:1px solid rgba(47,191,155,.35);
  font-family:var(--rlv-mono);color:var(--rlv-accent);font-size:15px;
}
.rlv-contact-row .rlv-contact-k{font-size:12px;color:var(--rlv-text-3);font-family:var(--rlv-mono);letter-spacing:1px}
.rlv-contact-row .rlv-contact-v{font-size:15px;color:#fff}

/* ---------- 归档页 ---------- */
.rlv-archive-group{margin-bottom:34px}
.rlv-archive-group h2{font-size:18px;color:#fff;margin-bottom:14px;padding-left:12px;border-left:3px solid var(--rlv-accent)}
.rlv-archive-group ul{list-style:none;padding:0}
.rlv-archive-group li{display:flex;justify-content:space-between;gap:16px;padding:10px 4px;border-bottom:1px dashed var(--rlv-line);font-size:14.5px}
.rlv-archive-group li a{color:var(--rlv-text-2)}
.rlv-archive-group li a:hover{color:var(--rlv-accent)}
.rlv-archive-group li .rlv-arch-date{font-family:var(--rlv-mono);font-size:12px;color:var(--rlv-text-3);flex:none}

/* ---------- 404 ---------- */
.rlv-404{text-align:center;padding:110px 24px}
.rlv-404-code{font-family:var(--rlv-mono);font-size:76px;font-weight:700;color:var(--rlv-accent);text-shadow:0 0 34px rgba(47,191,155,.4)}
.rlv-404 p{color:var(--rlv-text-2);margin:14px 0 26px}

/* ---------- 悬浮工具胶囊（右侧中央） ---------- */
.rlv-fab{
  position:fixed;right:18px;top:50%;transform:translateY(-50%);z-index:850;
  display:flex;flex-direction:column;gap:2px;
  background:linear-gradient(180deg,#123B33,#0E2A25);
  border:1px solid rgba(47,191,155,.45);border-radius:999px;
  padding:8px 7px;box-shadow:0 14px 40px rgba(0,0,0,.5),0 0 22px rgba(47,191,155,.18);
}
.rlv-fab-btn{
  width:52px;height:54px;border:none;background:transparent;cursor:pointer;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  color:#BFE9DD;font-family:inherit;border-radius:12px;transition:.16s;padding:0;
}
.rlv-fab-btn:hover{background:rgba(47,191,155,.16);color:#fff}
.rlv-fab-btn .rlv-fab-ico{font-size:16px;line-height:1}
.rlv-fab-btn .rlv-fab-txt{font-size:10px;letter-spacing:1px}
.rlv-fab-div{height:1px;background:rgba(47,191,155,.3);margin:3px 8px}

/* 名片弹层 */
.rlv-modal{
  position:fixed;inset:0;z-index:950;display:none;
  background:rgba(4,8,13,.82);backdrop-filter:blur(4px);
  align-items:center;justify-content:center;padding:20px;
}
.rlv-modal.rlv-show{display:flex}
.rlv-modal-box{position:relative;background:var(--rlv-panel);border:1px solid rgba(47,191,155,.4);border-radius:16px;padding:14px;box-shadow:0 30px 80px rgba(0,0,0,.6)}
.rlv-modal-box img{width:300px;height:auto;border-radius:10px;display:block}
.rlv-modal-close{
  position:absolute;top:-14px;right:-14px;width:34px;height:34px;border-radius:50%;
  background:var(--rlv-panel-2);border:1px solid rgba(47,191,155,.5);color:var(--rlv-accent);
  font-size:16px;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.rlv-modal-close:hover{background:var(--rlv-accent);color:#04120D}
.rlv-modal-cap{font-family:var(--rlv-mono);font-size:11px;color:var(--rlv-text-3);text-align:center;margin-top:10px;letter-spacing:1px}

/* ---------- 页脚 ---------- */
.rlv-footer{border-top:1px solid var(--rlv-line);background:var(--rlv-bg-soft);margin-top:20px}
.rlv-footer-inner{max-width:var(--rlv-maxw);margin:0 auto;padding:46px 24px 26px;display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.rlv-footer h4{font-size:13px;color:var(--rlv-text-3);font-family:var(--rlv-mono);letter-spacing:1.5px;margin-bottom:14px}
.rlv-footer ul{list-style:none;padding:0}
.rlv-footer li{margin-bottom:9px}
.rlv-footer a{font-size:13.5px;color:var(--rlv-text-2)}
.rlv-footer a:hover{color:var(--rlv-accent)}
.rlv-footer-brand p{font-size:13px;color:var(--rlv-text-3);line-height:1.8;margin-top:12px;max-width:300px}
.rlv-footer-bottom{border-top:1px solid var(--rlv-line);padding:16px 24px;text-align:center;font-size:12px;color:var(--rlv-text-3);font-family:var(--rlv-mono);letter-spacing:.5px}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .rlv-nav{display:none}
  .rlv-burger{display:flex}
  .rlv-layout,.rlv-list-layout{grid-template-columns:1fr;gap:26px;padding:8px 18px 56px}
  .rlv-toc-aside{position:static;max-height:none;overflow:visible}
  .rlv-cat-panel{position:static}
  .rlv-duo{grid-template-columns:1fr}
  .rlv-footer-inner{grid-template-columns:1fr 1fr}
  .rlv-section{padding:46px 18px 8px}
  .rlv-hero-inner{padding:64px 18px 52px}
  .rlv-card{padding:30px 22px}
  .rlv-page-wrap{padding:8px 18px 56px}
}
@media (max-width:640px){
  body{font-size:15px}
  .rlv-readouts{grid-template-columns:repeat(2,1fr)}
  .rlv-footer-inner{grid-template-columns:1fr;gap:22px}
  .rlv-fab{right:10px;top:auto;bottom:16px;transform:none;flex-direction:row;padding:6px 10px}
  .rlv-fab-btn{width:46px;height:46px}
  .rlv-fab-div{width:1px;height:auto;margin:6px 3px}
  .rlv-modal-box img{width:min(300px,78vw);height:auto}
  .rlv-hero-cta .rlv-btn{width:100%;justify-content:center}
  .rlv-list-items a{padding:14px 15px}
  .rlv-archive-group li{flex-direction:column;gap:2px}
}