/* ============================================================
   陕西盘龙石科技有限公司 门户网站 — 静态预览
   白色背景 + 科技线条版 V3.0 设计系统
   ============================================================ */
:root {
  --primary-900:#0f172a; --primary-800:#1e293b; --primary-700:#1e3a8a; --primary-600:#1d4ed8;
  --primary-500:#2563eb; --primary-400:#3b82f6; --primary-300:#60a5fa; --primary-200:#bfdbfe;
  --primary-100:#dbeafe; --primary-50:#eff6ff;
  --accent-600:#0891b2; --accent-500:#06b6d4; --accent-400:#22d3ee; --accent-100:#cffafe;
  --neutral-900:#0f172a; --neutral-800:#1e293b; --neutral-700:#334155; --neutral-600:#475569;
  --neutral-500:#64748b; --neutral-400:#94a3b8; --neutral-300:#cbd5e1; --neutral-200:#e2e8f0;
  --neutral-100:#f1f5f9; --neutral-50:#f8fafc;
  --success:#16a34a; --warning:#d97706; --danger:#dc2626;
  --grad-primary: linear-gradient(135deg,#2563eb 0%,#06b6d4 100%);
  --grad-soft: linear-gradient(135deg,#eff6ff 0%,#cffafe 100%);
  --shadow-xs:0 1px 2px rgba(15,23,42,.04); --shadow-sm:0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 4px 12px rgba(15,23,42,.08); --shadow-lg:0 12px 32px rgba(15,23,42,.10);
  --shadow-xl:0 24px 48px rgba(15,23,42,.12);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{background:#fff;color:var(--neutral-800);font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,sans-serif;font-size:16px;line-height:1.7}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1280px;margin:0 auto;padding:0 24px}
.container-sm{max-width:960px;margin:0 auto;padding:0 24px}
section{position:relative}

/* ---------- 科技线条系统 ---------- */
.grid-bg{position:absolute;inset:0;background-image:linear-gradient(to right,rgba(226,232,240,.5) 1px,transparent 1px),linear-gradient(to bottom,rgba(226,232,240,.5) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%);mask-image:radial-gradient(ellipse at center,black 40%,transparent 80%)}
.diagonal{position:absolute;inset:0;background-image:repeating-linear-gradient(45deg,rgba(37,99,235,.08) 0px,rgba(37,99,235,.08) 1px,transparent 1px,transparent 24px)}
.softglow{position:absolute;border-radius:50%;pointer-events:none;filter:blur(80px)}
.glow-blue{background:radial-gradient(circle,#2563eb 0%,transparent 70%)}
.glow-cyan{background:radial-gradient(circle,#06b6d4 0%,transparent 70%)}
.card-grad{position:relative}
.card-grad::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#2563eb,#06b6d4);opacity:0;transition:opacity .3s;z-index:2}
.card-grad:hover::before{opacity:1}
@keyframes scan{0%,100%{top:0;opacity:0}50%{top:100%;opacity:.15}}
@keyframes breathe{0%,100%{opacity:.4}50%{opacity:.8}}
@keyframes flow{to{stroke-dashoffset:-1000}}

/* ---------- 组件 ---------- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-bottom:1px solid var(--neutral-200)}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:36px;height:36px;border-radius:8px;background:var(--grad-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}
.logo-name{line-height:1.2}.logo-name b{display:block;font-size:16px;color:var(--neutral-900)}.logo-name span{font-size:11px;color:var(--neutral-500);letter-spacing:.5px}
.menu{display:flex;gap:32px}.menu a{font-size:14px;font-weight:500;color:var(--neutral-700);transition:color .2s}.menu a:hover{color:var(--primary-600)}
.nav-cta{display:flex;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;border:1px solid transparent;transition:all .2s;font-family:inherit}
.btn-primary{background:var(--primary-600);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:hover{background:var(--primary-500);box-shadow:var(--shadow-lg);transform:translateY(-1px)}
.btn-secondary{background:#fff;border-color:var(--neutral-300);color:var(--neutral-800)}
.btn-secondary:hover{border-color:var(--primary-400);color:var(--primary-600);background:var(--primary-50)}
.btn-lg{padding:14px 28px;font-size:16px}
.btn .arr{font-size:14px}
.hamburger{display:none;background:none;border:none;font-size:26px;color:var(--neutral-700);cursor:pointer}

/* Hero */
.hero{padding:96px 0 80px;overflow:hidden}
.hero-inner{display:grid;grid-template-columns:55% 45%;gap:48px;align-items:center;position:relative}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:6px;background:var(--primary-50);color:var(--primary-600);font-size:14px;font-weight:500}
.hero-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary-500)}
.hero h1{font-size:48px;line-height:1.2;font-weight:700;color:var(--neutral-900);margin:24px 0;letter-spacing:-.5px}
.hero-sub{font-size:18px;color:var(--neutral-600);max-width:560px}
.hero-cta{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.hero-visual{position:relative}
.dashboard{background:#fff;border:1px solid var(--neutral-200);border-radius:16px;box-shadow:var(--shadow-xl);padding:24px;overflow:hidden;position:relative}
.dash-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.dash-title{display:flex;align-items:center;gap:12px}.dash-title .ic{width:40px;height:40px;border-radius:12px;background:var(--grad-primary);color:#fff;display:flex;align-items:center;justify-content:center}
.dash-title b{display:block;font-size:16px;color:var(--neutral-900)}.dash-title span{font-size:12px;color:var(--neutral-500)}
.dots{display:flex;gap:6px}.dots i{width:10px;height:10px;border-radius:50%;background:var(--neutral-200)}.dots i:last-child{background:var(--accent-500)}
.asset-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.asset{background:var(--neutral-50);border:1px solid var(--neutral-100);border-radius:12px;padding:16px}
.asset-t{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:500;color:var(--neutral-700)}
.asset-n{display:flex;justify-content:space-between;align-items:flex-end}.asset-n b{font-size:24px;color:var(--neutral-900)}.asset-n i{font-style:normal;font-size:12px;color:var(--success)}
.trend{display:flex;align-items:center;gap:16px;padding:16px;border-radius:12px;background:var(--grad-soft);font-size:14px;font-weight:500;color:var(--neutral-700)}
.bar{flex:1;height:8px;border-radius:4px;background:#fff;overflow:hidden}.bar span{display:block;height:100%;width:76%;background:var(--grad-primary)}
.frame{position:absolute;top:-16px;left:-16px;right:-16px;bottom:-16px;border:1px solid rgba(37,99,235,.2);border-radius:24px;pointer-events:none}
.scan{position:absolute;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#2563eb,transparent);opacity:.15;animation:scan 4s ease-in-out infinite}
.nodes{position:absolute;pointer-events:none}

/* Section */
.pad{padding:80px 0}
.bg-alt{background:var(--neutral-50)}
.center{text-align:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:1px;text-transform:uppercase;color:var(--primary-600);margin-bottom:16px}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary-500)}
h2.sec-title{font-size:36px;font-weight:700;color:var(--neutral-900);letter-spacing:-.3px}
.sec-sub{margin:16px auto 0;font-size:18px;color:var(--neutral-500);max-width:640px}
.title-line{width:48px;height:3px;background:var(--grad-primary);border-radius:3px;margin:20px auto 0}
.left .title-line{margin:20px 0 0}
.sec-head{margin-bottom:48px}

/* Cards */
.card{background:#fff;border:1px solid var(--neutral-200);border-radius:12px;box-shadow:var(--shadow-xs);padding:32px;transition:all .2s;position:relative}
.card:hover{border-color:var(--primary-200);box-shadow:var(--shadow-md);transform:translateY(-4px)}
.card-ic{width:48px;height:48px;border-radius:10px;background:var(--primary-50);color:var(--primary-600);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:24px}
.card h3{font-size:20px;font-weight:600;color:var(--neutral-900)}
.card p{font-size:16px;color:var(--neutral-600);margin-top:12px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}

/* Domain card */
.domain{background:#fff;border:1px solid var(--neutral-200);border-radius:16px;box-shadow:var(--shadow-xs);padding:40px;transition:all .2s;position:relative;overflow:hidden}
.domain:hover{border-color:var(--primary-200);box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.domain .ic{width:56px;height:56px;border-radius:12px;background:var(--grad-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:24px;box-shadow:var(--shadow-md)}
.domain h3{font-size:24px;font-weight:600;color:var(--neutral-900);margin-bottom:12px}
.domain p{font-size:16px;color:var(--neutral-600);margin-bottom:20px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:6px 12px;border-radius:6px;background:var(--neutral-100);font-size:14px;color:var(--neutral-700)}
.chip.blue{background:var(--primary-50);color:var(--primary-600)}
.chip.cyan{background:var(--accent-100);color:var(--accent-600)}

/* CTA band */
.cta-band{border-radius:24px;background:var(--grad-soft);padding:80px;text-align:center;position:relative;overflow:hidden}
.cta-band h2{font-size:36px;font-weight:700;color:var(--neutral-900)}
.cta-band p{margin:16px 0 32px;font-size:18px;color:var(--neutral-600)}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;position:relative}
.line-top{position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#2563eb 50%,transparent)}

/* Case */
.case{background:#fff;border:1px solid var(--neutral-200);border-radius:16px;padding:32px;box-shadow:var(--shadow-xs);display:flex;gap:32px;align-items:center;position:relative}
.case:hover{border-color:var(--primary-200);box-shadow:var(--shadow-lg)}
.case-avatar{width:80px;height:80px;border-radius:16px;background:var(--grad-soft);display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:700;color:var(--primary-600);position:relative;flex-shrink:0}
.case-body{flex:1}
.case-body h3{font-size:20px;font-weight:600;color:var(--neutral-900);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.case-body .tag{font-size:12px;padding:6px 12px;border-radius:6px;background:var(--neutral-100);color:var(--neutral-600)}
.case-body p{margin-top:12px;color:var(--neutral-600)}
.case-link{font-size:14px;font-weight:500;color:var(--primary-600);white-space:nowrap}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative}
.step{text-align:center}
.step-n{width:64px;height:64px;border-radius:50%;background:#fff;border:1px solid var(--primary-200);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:var(--shadow-sm)}
.step-n span{width:40px;height:40px;border-radius:50%;background:var(--grad-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600}
.step h4{font-size:16px;font-weight:600;color:var(--neutral-900);margin-bottom:8px}
.step p{font-size:14px;color:var(--neutral-600)}

/* Pain / list */
.pain{display:flex;align-items:flex-start;gap:12px;background:#fff;border:1px solid var(--neutral-200);border-radius:12px;padding:20px;box-shadow:var(--shadow-xs)}
.pain .ic{color:var(--warning);font-size:22px;flex-shrink:0;margin-top:2px}
.sol-chip{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:6px;background:var(--neutral-50);border:1px solid var(--neutral-200);color:var(--neutral-700);font-size:16px}
.sol-chip .ok{color:var(--primary-500)}

/* Table */
.table-wrap{border:1px solid var(--neutral-200);border-radius:16px;overflow:hidden;background:#fff}
table{width:100%;border-collapse:collapse;text-align:left}
th{background:var(--neutral-50);padding:16px 24px;font-size:14px;font-weight:600;color:var(--neutral-900);border-bottom:1px solid var(--neutral-200)}
td{padding:16px 24px;color:var(--neutral-600);border-bottom:1px solid var(--neutral-100)}
tr:last-child td{border-bottom:none}

/* FAQ */
.faq-item{background:#fff;border:1px solid var(--neutral-200);border-radius:12px;margin-bottom:16px;overflow:hidden}
.faq-q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;background:none;border:none;cursor:pointer;font-family:inherit;font-size:16px;font-weight:500;color:var(--neutral-900);text-align:left}
.faq-a{padding:0 24px 20px;color:var(--neutral-600)}

/* Form */
.form-card{background:#fff;border:1px solid var(--neutral-200);border-radius:16px;padding:40px;box-shadow:var(--shadow-md);position:relative}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.field{margin-bottom:20px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--neutral-700);margin-bottom:8px}
.field label i{color:var(--danger);font-style:normal}
.field input,.field select,.field textarea{width:100%;padding:12px 16px;border:1px solid var(--neutral-200);border-radius:8px;background:var(--neutral-50);font-size:14px;font-family:inherit;color:var(--neutral-800);transition:all .2s}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary-500);background:#fff;box-shadow:0 0 0 2px var(--primary-100)}
.field.full{grid-column:1/-1}
.contact-list{display:flex;flex-direction:column;gap:16px}
.contact-item{display:flex;align-items:flex-start;gap:16px;background:var(--neutral-50);border:1px solid var(--neutral-100);border-radius:12px;padding:24px}
.contact-item .ic{width:48px;height:48px;border-radius:12px;background:#fff;color:var(--primary-600);display:flex;align-items:center;justify-content:center;font-size:24px;box-shadow:var(--shadow-xs);flex-shrink:0}
.contact-item small{display:block;font-size:14px;color:var(--neutral-500)}.contact-item b{font-size:16px;color:var(--neutral-900)}

/* Footer */
footer{background:var(--neutral-900);color:var(--neutral-300);position:relative;overflow:hidden}
.footer-line{position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#2563eb 50%,transparent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding:64px 0}
.footer-grid h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-grid ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.footer-grid a{font-size:14px;color:var(--neutral-400);transition:color .2s}.footer-grid a:hover{color:var(--primary-300)}
.footer-brand b{font-size:16px;color:#fff}.footer-brand p{margin-top:12px;font-size:14px;color:var(--neutral-400);max-width:260px}
.footer-bottom{border-top:1px solid var(--neutral-800);padding:24px 0;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:var(--neutral-500)}

/* Breadcrumb */
.crumb{display:flex;gap:8px;align-items:center;font-size:14px;color:var(--neutral-500);margin-bottom:32px}
.crumb a:hover{color:var(--primary-600)}.crumb span{color:var(--neutral-700)}

/* Stats */
.stat{background:#fff;border:1px solid var(--neutral-200);border-radius:16px;padding:32px;text-align:center;box-shadow:var(--shadow-xs)}
.stat b{font-size:36px;color:var(--primary-600);font-weight:700}.stat p{margin-top:8px;font-size:14px;color:var(--neutral-500)}

/* Tabs */
.tabs{display:flex;gap:8px;border-bottom:1px solid var(--neutral-200);margin-bottom:40px;flex-wrap:wrap}
.tab-btn{padding:12px 20px;font-size:16px;font-weight:500;background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;color:var(--neutral-500);font-family:inherit;transition:color .2s}
.tab-btn.active{color:var(--primary-600);border-bottom-color:var(--primary-500)}
.tab-panel{display:none}.tab-panel.active{display:block}

/* Responsive */
@media(max-width:1024px){
  .grid-4{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero h1{font-size:38px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-band{padding:48px 24px}
}
@media(max-width:768px){
  .menu{display:none}
  .hamburger{display:block}
  .nav-cta{display:none}
  .grid-3,.grid-4,.grid-2{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .case{flex-direction:column;text-align:left}
  .footer-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
}

/* ============================================================
   增强科技感（追加层）
   ============================================================ */
/* 渐变文字 */
.grad-text{background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-text-cyan{background:linear-gradient(135deg,#2563eb,#06b6d4);-webkit-background-clip:text;background-clip:text;color:transparent}

/* 漂浮光晕球体 */
.orb{position:absolute;border-radius:50%;pointer-events:none;filter:blur(70px);opacity:.35;animation:orbFloat 12s ease-in-out infinite}
.orb.blue{background:radial-gradient(circle,rgba(37,99,235,.55),transparent 70%)}
.orb.cyan{background:radial-gradient(circle,rgba(6,182,212,.5),transparent 70%)}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(24px,-30px) scale(1.12)}}

/* 环形旋转线 */
.ring{position:absolute;border:1px solid rgba(37,99,235,.18);border-radius:50%;pointer-events:none}
.ring::before{content:'';position:absolute;top:-2px;left:50%;width:6px;height:6px;border-radius:50%;background:var(--primary-500);box-shadow:0 0 10px 2px rgba(37,99,235,.6)}
.ring.r1{animation:ringSpin 18s linear infinite}
.ring.r2{animation:ringSpin 26s linear infinite reverse}
@keyframes ringSpin{to{transform:rotate(360deg)}}

/* 流动数据线（横向 SVG 动画线） */
.dataflow{position:absolute;height:2px;background:linear-gradient(90deg,transparent,#2563eb,transparent);opacity:.35;pointer-events:none;overflow:hidden}
.dataflow::after{content:'';position:absolute;top:0;left:-30%;width:30%;height:100%;background:linear-gradient(90deg,transparent,#60a5fa,transparent);animation:dataMove 3.5s linear infinite}
@keyframes dataMove{from{left:-30%}to{left:100%}}

/* 脉冲节点 */
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--primary-500);position:relative;display:inline-block}
.pulse-dot::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:1px solid var(--primary-400);animation:pulse 2s ease-out infinite}
@keyframes pulse{0%{transform:scale(.6);opacity:1}100%{transform:scale(2.2);opacity:0}}

/* 发光卡片（hover 外发光） */
.glow-card{transition:transform .25s,box-shadow .25s,border-color .25s}
.glow-card:hover{transform:translateY(-6px);border-color:var(--primary-200);box-shadow:0 20px 50px rgba(37,99,235,.14),0 4px 14px rgba(37,99,235,.06)}
.glow-card .card-ic,.glow-card .domain-ic{transition:transform .25s}
.glow-card:hover .card-ic,.glow-card:hover .domain-ic{transform:scale(1.08)}

/* 角标科技框（L 形四角） */
.corner-box{position:relative}
.corner-box::before,.corner-box::after{content:'';position:absolute;width:14px;height:14px;border:2px solid var(--primary-400);opacity:.55}
.corner-box::before{top:-6px;left:-6px;border-right:none;border-bottom:none}
.corner-box::after{bottom:-6px;right:-6px;border-left:none;border-top:none}

/* 仪表盘增强：迷你图表 + 环形 */
.dash-chart{position:relative;height:140px;margin-top:16px;border:1px solid var(--neutral-100);border-radius:12px;background:
  linear-gradient(to bottom,rgba(37,99,235,.04) 0%,transparent 40%),
  linear-gradient(to right,rgba(226,232,240,.5) 1px,transparent 1px),
  linear-gradient(to bottom,rgba(226,232,240,.5) 1px,transparent 1px);
  background-size:100% 100%,40px 40px,40px 40px;overflow:hidden}
.dash-bars{position:absolute;inset:0;display:flex;align-items:flex-end;gap:6px;padding:16px 12px}
.dash-bars i{flex:1;border-radius:3px 3px 0 0;background:var(--grad-primary);opacity:.85;animation:barGrow 1.4s ease-out both}
@keyframes barGrow{from{height:0}}
.dash-line{position:absolute;inset:0;padding:10px}
.dash-line svg{width:100%;height:100%}
.dash-line path{stroke:url(#dashGrad);stroke-width:2;fill:none;filter:drop-shadow(0 0 4px rgba(37,99,235,.5))}

/* 环形进度 */
.gauge{position:relative;width:90px;height:90px}
.gauge svg{transform:rotate(-90deg)}
.gauge .track{stroke:var(--neutral-100)}
.gauge .fill{stroke:url(#gaugeGrad);stroke-linecap:round;transition:stroke-dashoffset 1.4s ease-out}
.gauge b{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--neutral-900)}

/* 技术徽章 */
.tech-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:500;border:1px solid var(--primary-200);background:rgba(219,234,254,.35);color:var(--primary-600)}
.tech-badge::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--primary-500)}

/* 分区渐变顶线 */
.sec-line{height:1px;background:linear-gradient(90deg,transparent,var(--primary-400),transparent);opacity:.4;margin:8px 0 24px}

/* 深色科技条带（浅色主题下的科技强调区，用浅蓝渐变） */
.tech-strip{background:linear-gradient(135deg,#0f172a,#1e3a8a 45%,#0891b2);color:#fff;position:relative;overflow:hidden}
.tech-strip .grid-bg{opacity:.15}
.tech-strip .orb{opacity:.18}
.tech-strip h2,.tech-strip h3{color:#fff}
.tech-strip p{color:rgba(226,232,240,.85)}

/* 数字滚动 */
.stat b[data-count]{font-variant-numeric:tabular-nums}

/* 表头科技装饰 */
.stat{position:relative;overflow:hidden}
.stat::after{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-primary);opacity:.8}
.stat .stat-ic{width:44px;height:44px;border-radius:10px;background:var(--primary-50);color:var(--primary-600);display:flex;align-items:center;justify-content:center;margin:0 auto 12px;font-size:20px}

/* ============================================================
   第三层增强：更科技、更大气的视觉
   ============================================================ */
/* 电路纹理背景 */
.circuit{position:absolute;inset:0;pointer-events:none;opacity:.5;background-image:
  linear-gradient(rgba(37,99,235,.06) 1px,transparent 1px),
  linear-gradient(90deg,rgba(37,99,235,.06) 1px,transparent 1px),
  radial-gradient(circle at 20% 30%,rgba(6,182,212,.08),transparent 40%),
  radial-gradient(circle at 80% 70%,rgba(37,99,235,.08),transparent 40%);
  background-size:56px 56px,56px 56px,100% 100%,100% 100%}
.circuit::after{content:'';position:absolute;inset:0;
  background-image:radial-gradient(circle at 25% 25%,#2563eb 1px,transparent 1.6px),radial-gradient(circle at 75% 60%,#06b6d4 1px,transparent 1.6px),radial-gradient(circle at 50% 85%,#2563eb 1px,transparent 1.6px);
  background-size:120px 120px,180px 180px,150px 150px}

/* 配图卡片 */
.img-card{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--neutral-200);box-shadow:var(--shadow-lg);background:#fff}
.img-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s}
.img-card:hover img{transform:scale(1.05)}
.img-card .frame{position:absolute;top:-14px;left:-14px;right:-14px;bottom:-14px;border:1px solid rgba(37,99,235,.25);border-radius:26px;pointer-events:none}
.img-card::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(15,23,42,.25));pointer-events:none}
.img-float{animation:imgFloat 6s ease-in-out infinite}
@keyframes imgFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* 图片说明条 */
.img-caption{position:absolute;left:20px;bottom:16px;z-index:2;color:#fff}
.img-caption b{font-size:16px;display:block}
.img-caption span{font-size:12px;opacity:.85}

/* 大气 Hero：双层渐变 + 大光晕 */
.hero.mega{background:
  radial-gradient(1000px 500px at 85% -10%,rgba(37,99,235,.10),transparent 60%),
  radial-gradient(700px 400px at 0% 100%,rgba(6,182,212,.08),transparent 55%),
  #fff}

/* 悬浮装饰点 */
.float-dots{position:absolute;width:8px;height:8px;border-radius:50%;background:var(--primary-400);box-shadow:0 0 12px 3px rgba(37,99,235,.5);animation:dotFloat 4s ease-in-out infinite}
@keyframes dotFloat{0%,100%{transform:translateY(0);opacity:.7}50%{transform:translateY(-14px);opacity:1}}

/* 渐变描边按钮（更科技） */
.btn-glow{position:relative;background:linear-gradient(135deg,#1d4ed8,#06b6d4);background-size:150% 150%;animation:gradShift 6s ease-in-out infinite;color:#fff;box-shadow:0 8px 24px rgba(37,99,235,.35)}
.btn-glow:hover{transform:translateY(-2px);box-shadow:0 12px 32px rgba(37,99,235,.45)}
@keyframes gradShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}

/* 大标题发光 */
h1.hero-title{font-size:56px;line-height:1.15;font-weight:700;color:var(--neutral-900);letter-spacing:-1px}
h1.hero-title .grad-text{text-shadow:0 8px 40px rgba(37,99,235,.25)}
@media(max-width:1024px){h1.hero-title{font-size:40px}}

/* 特性点阵 */
.dot-feature{display:flex;align-items:flex-start;gap:10px}
.dot-feature .d{width:9px;height:9px;border-radius:50%;background:var(--grad-primary);margin-top:8px;flex-shrink:0;box-shadow:0 0 8px rgba(37,99,235,.4)}

/* ============================================================
   知识库弹框版（第四层增强）
   ============================================================ */
/* 搜索框 */
.kb-search{max-width:520px;margin:8px auto 0;position:relative}
.kb-search input{width:100%;padding:14px 20px 14px 46px;border:1px solid var(--neutral-200);border-radius:12px;background:#fff;font-size:16px;color:var(--neutral-900);box-shadow:var(--shadow-sm);outline:none;transition:border-color .2s,box-shadow .2s}
.kb-search input:focus{border-color:var(--primary-400);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
.kb-search .s-ic{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--neutral-400);font-size:18px;pointer-events:none}
.kb-count{margin:20px auto 0;color:var(--neutral-500);font-size:14px;text-align:center}

/* 分类筛选 chips */
.kb-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:24px 0 8px}
.kb-chip{padding:8px 18px;border:1px solid var(--neutral-200);border-radius:999px;background:#fff;color:var(--neutral-600);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}
.kb-chip:hover{border-color:var(--primary-300);color:var(--primary-600)}
.kb-chip.on{background:var(--grad-primary);border-color:transparent;color:#fff;box-shadow:0 6px 16px rgba(37,99,235,.25)}

/* 词条网格 */
.kb-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px;margin-top:28px}
.term-card{position:relative;background:#fff;border:1px solid var(--neutral-200);border-radius:12px;padding:18px 18px 16px;cursor:pointer;transition:transform .2s,box-shadow .2s,border-color .2s;text-align:left;overflow:hidden}
.term-card:hover{transform:translateY(-4px);border-color:var(--primary-200);box-shadow:0 16px 40px rgba(37,99,235,.12)}
.term-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad-primary);opacity:0;transition:opacity .25s}
.term-card:hover::before{opacity:1}
.term-card .t-name{font-size:16px;font-weight:600;color:var(--neutral-900);display:flex;align-items:center;gap:8px;line-height:1.4}
.term-card .t-cat{font-size:11px;color:var(--primary-500);background:var(--primary-50);padding:2px 8px;border-radius:999px;flex-shrink:0}
.term-card .t-prev{margin-top:8px;font-size:13px;color:var(--neutral-500);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.term-card .t-tap{margin-top:10px;font-size:12px;color:var(--primary-400);font-weight:500}

/* 弹框 */
.kb-modal{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;padding:20px}
.kb-modal.open{display:flex}
.kb-mask{position:absolute;inset:0;background:rgba(15,23,42,.5);backdrop-filter:blur(4px);opacity:0;transition:opacity .25s}
.kb-modal.open .kb-mask{opacity:1}
.kb-box{position:relative;background:#fff;border-radius:18px;max-width:680px;width:100%;max-height:82vh;overflow:auto;box-shadow:0 32px 80px rgba(15,23,42,.25);transform:translateY(24px) scale(.97);opacity:0;transition:transform .28s cubic-bezier(.16,1,.3,1),opacity .25s}
.kb-modal.open .kb-box{transform:none;opacity:1}
.kb-box-head{padding:24px 28px 16px;border-bottom:1px solid var(--neutral-100);position:relative}
.kb-box-head .kb-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--primary-500);background:var(--primary-50);padding:3px 10px;border-radius:999px;margin-bottom:10px}
.kb-box-head h3{margin:0;font-size:24px;font-weight:700;color:var(--neutral-900);line-height:1.3}
.kb-close{position:absolute;top:16px;right:16px;width:34px;height:34px;border-radius:8px;border:1px solid var(--neutral-200);background:#fff;color:var(--neutral-500);font-size:18px;cursor:pointer;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .2s}
.kb-close:hover{border-color:var(--primary-300);color:var(--primary-600);transform:rotate(90deg)}
.kb-box-body{padding:20px 28px 28px;color:var(--neutral-700);font-size:16px;line-height:1.9}
.kb-box-body p{margin:0 0 14px}
.kb-box-body ul{margin:0 0 14px;padding-left:22px}
.kb-box-body li{margin-bottom:8px}
.kb-box-foot{padding:14px 28px 22px;border-top:1px solid var(--neutral-100);color:var(--neutral-400);font-size:12px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
.kb-nav{display:flex;gap:8px;margin-top:12px}
.kb-nav button{padding:8px 14px;border:1px solid var(--neutral-200);border-radius:8px;background:#fff;color:var(--neutral-600);font-size:13px;cursor:pointer;transition:all .2s}
.kb-nav button:hover{border-color:var(--primary-300);color:var(--primary-600)}
@media(max-width:640px){.kb-box-head h3{font-size:20px}.kb-box-body{font-size:15px;padding:18px 20px 24px}.kb-box-head,.kb-box-foot{padding-left:20px;padding-right:20px}}

/* ============================================================
   知识库 v2（全新设计）
   ============================================================ */
.kb-hero{position:relative;overflow:hidden;background:radial-gradient(900px 420px at 78% -10%,rgba(37,99,235,.14),transparent 60%),radial-gradient(640px 380px at 8% 110%,rgba(6,182,212,.12),transparent 55%),#fff;padding:72px 0 64px;text-align:center}
.kb-hero .kb-gridline{position:absolute;inset:0;background-image:linear-gradient(to right,rgba(226,232,240,.55) 1px,transparent 1px),linear-gradient(to bottom,rgba(226,232,240,.55) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse at center,black 30%,transparent 78%);mask-image:radial-gradient(ellipse at center,black 30%,transparent 78%)}
.kb-hero .kb-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:999px;background:rgba(219,234,254,.5);border:1px solid var(--primary-200);color:var(--primary-600);font-size:14px;font-weight:600}
.kb-hero h1{font-size:52px;line-height:1.15;font-weight:800;color:var(--neutral-900);letter-spacing:-1px;margin:22px 0 14px}
.kb-hero h1 .grad{background:linear-gradient(135deg,#1d4ed8,#06b6d4);-webkit-background-clip:text;background-clip:text;color:transparent}
.kb-hero .kb-sub{max-width:620px;margin:0 auto;color:var(--neutral-500);font-size:17px;line-height:1.7}
.kb-search{max-width:560px;margin:28px auto 0;position:relative}
.kb-search input{width:100%;padding:16px 22px 16px 50px;border:1px solid var(--neutral-200);border-radius:14px;background:#fff;font-size:16px;color:var(--neutral-900);box-shadow:0 12px 40px rgba(37,99,235,.10);outline:none;transition:border-color .2s,box-shadow .2s}
.kb-search input:focus{border-color:var(--primary-400);box-shadow:0 0 0 4px rgba(37,99,235,.12),0 12px 40px rgba(37,99,235,.12)}
.kb-search .s-ic{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--primary-400);font-size:20px;pointer-events:none}

/* 统计条带 */
.kb-stats{display:flex;justify-content:center;gap:0;margin:44px auto 0;max-width:760px;flex-wrap:wrap}
.kb-stat{flex:1;min-width:120px;padding:8px 16px;text-align:center;position:relative}
.kb-stat+.kb-stat::before{content:'';position:absolute;left:0;top:18%;height:64%;width:1px;background:var(--neutral-200)}
.kb-stat b{display:block;font-size:30px;font-weight:800;color:var(--primary-600);line-height:1.1;font-variant-numeric:tabular-nums}
.kb-stat b .pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent-500,#06b6d4);margin-right:4px;vertical-align:middle;animation:kbPulse 2s ease-out infinite}
@keyframes kbPulse{0%{box-shadow:0 0 0 0 rgba(6,182,212,.5)}100%{box-shadow:0 0 0 10px rgba(6,182,212,0)}}
.kb-stat span{display:block;font-size:13px;color:var(--neutral-500);margin-top:6px}

/* 主体两栏 */
.kb-body{padding:48px 0 96px;background:var(--neutral-50)}
.kb-layout{display:grid;grid-template-columns:250px 1fr;gap:36px;align-items:start}
@media(max-width:900px){.kb-layout{grid-template-columns:1fr;gap:24px}}

/* 左栏分类 */
.kb-sidebar{position:sticky;top:88px;background:#fff;border:1px solid var(--neutral-200);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}
@media(max-width:900px){.kb-sidebar{position:static}}
.kb-sb-title{font-size:13px;font-weight:600;color:var(--neutral-400);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px;padding:0 6px}
.kb-sb-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:11px 14px;border-radius:10px;border:none;background:transparent;color:var(--neutral-600);font-size:15px;font-weight:500;cursor:pointer;text-align:left;transition:all .18s;margin-bottom:2px}
.kb-sb-item:hover{background:var(--neutral-50);color:var(--primary-600)}
.kb-sb-item.on{background:var(--grad-primary);color:#fff;box-shadow:0 8px 20px rgba(37,99,235,.28)}
.kb-sb-item .cnt{font-size:12px;padding:2px 9px;border-radius:999px;background:var(--neutral-100);color:var(--neutral-500);font-variant-numeric:tabular-nums}
.kb-sb-item.on .cnt{background:rgba(255,255,255,.22);color:#fff}

/* 右栏卡片流 */
.kb-main{min-width:0}
.kb-result-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
.kb-result-bar .kb-count{color:var(--neutral-500);font-size:14px}
.kb-result-bar .kb-hint{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary-500);background:var(--primary-50);padding:6px 12px;border-radius:999px}
.kterm-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
@media(max-width:560px){.kterm-grid{grid-template-columns:1fr}}
.kterm{position:relative;background:#fff;border:1px solid var(--neutral-200);border-radius:14px;padding:22px 20px 18px;cursor:pointer;transition:transform .22s,box-shadow .22s,border-color .22s;overflow:hidden;display:flex;flex-direction:column}
.kterm::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-primary);opacity:0;transition:opacity .25s}
.kterm:hover{transform:translateY(-5px);border-color:var(--primary-200);box-shadow:0 18px 44px rgba(37,99,235,.12)}
.kterm:hover::before{opacity:1}
.kterm .k-cat{font-size:11px;color:var(--primary-500);background:var(--primary-50);padding:3px 10px;border-radius:999px;display:inline-block;align-self:flex-start;margin-bottom:10px}
.kterm .k-name{font-size:17px;font-weight:700;color:var(--neutral-900);line-height:1.4;margin-bottom:8px}
.kterm .k-prev{font-size:13px;color:var(--neutral-500);line-height:1.65;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.kterm .k-go{margin-top:14px;font-size:13px;font-weight:600;color:var(--primary-500);display:flex;align-items:center;gap:5px}
.kterm .k-go::after{content:'→';transition:transform .2s}
.kterm:hover .k-go::after{transform:translateX(4px)}

/* 弹框 v2 */
.kb-modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:20px}
.kb-modal.open{display:flex}
.kb-mask{position:absolute;inset:0;background:rgba(15,23,42,.55);backdrop-filter:blur(6px);opacity:0;transition:opacity .25s}
.kb-modal.open .kb-mask{opacity:1}
.kb-box{position:relative;background:#fff;border-radius:20px;max-width:720px;width:100%;max-height:84vh;overflow:hidden;box-shadow:0 40px 90px rgba(15,23,42,.3);transform:translateY(26px) scale(.96);opacity:0;transition:transform .3s cubic-bezier(.16,1,.3,1),opacity .25s;display:flex;flex-direction:column}
.kb-modal.open .kb-box{transform:none;opacity:1}
.kb-box-head{position:relative;padding:26px 30px 20px;background:linear-gradient(135deg,#eff6ff,#cffafe);border-bottom:1px solid var(--neutral-100)}
.kb-box-head .kb-tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--primary-600);background:#fff;padding:4px 12px;border-radius:999px;box-shadow:var(--shadow-xs);margin-bottom:12px}
.kb-box-head .kb-tag::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--primary-500)}
.kb-box-head h3{margin:0;font-size:26px;font-weight:800;color:var(--neutral-900);line-height:1.3;padding-right:40px}
.kb-close{position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:10px;border:1px solid var(--neutral-200);background:#fff;color:var(--neutral-500);font-size:18px;cursor:pointer;line-height:1;display:flex;align-items:center;justify-content:center;transition:all .2s;box-shadow:var(--shadow-xs)}
.kb-close:hover{border-color:var(--primary-300);color:var(--primary-600);transform:rotate(90deg)}
.kb-box-body{padding:24px 30px;color:var(--neutral-700);font-size:16px;line-height:2;overflow:auto;flex:1}
.kb-box-body p{margin:0 0 14px}
.kb-box-body p:last-child{margin-bottom:0}
.kb-box-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 30px 18px;border-top:1px solid var(--neutral-100);flex-wrap:wrap}
.kb-meta{color:var(--neutral-400);font-size:12px}
.kb-nav{display:flex;gap:8px}
.kb-nav button{padding:9px 16px;border:1px solid var(--neutral-200);border-radius:9px;background:#fff;color:var(--neutral-600);font-size:13px;cursor:pointer;transition:all .2s;font-weight:500}
.kb-nav button:hover{border-color:var(--primary-300);color:var(--primary-600);box-shadow:var(--shadow-xs)}
@media(max-width:640px){.kb-hero h1{font-size:36px}.kb-box-head h3{font-size:21px}.kb-box-body{font-size:15px;padding:20px;line-height:1.9}.kb-box-head,.kb-box-foot{padding-left:20px;padding-right:20px}}

/* ===== 知识库静态全文区（SEO / GEO：词条正文写入 HTML，爬虫与大模型无需执行 JS） ===== */
.kb-fulltext{padding:0 0 64px}
.kb-ft-det{border:1px solid var(--neutral-200);border-radius:14px;background:#fff;overflow:hidden;margin-top:8px;box-shadow:var(--shadow-sm)}
.kb-ft-det>summary{cursor:pointer;padding:16px 20px;font-weight:600;font-size:15px;color:var(--neutral-800);list-style:none;display:flex;align-items:center;gap:8px}
.kb-ft-det>summary::-webkit-details-marker{display:none}
.kb-ft-det>summary::before{content:"＋";color:var(--primary-600);font-weight:700}
.kb-ft-det[open]>summary::before{content:"－"}
.kb-ft-det>summary:hover{background:#f8fbff;color:var(--primary-700)}
.kb-ft-body{padding:6px 20px 20px;border-top:1px dashed var(--neutral-200);max-height:70vh;overflow:auto}
.kb-ft-item{padding:14px 0;border-bottom:1px dashed var(--neutral-100)}
.kb-ft-item:last-child{border-bottom:none}
.kb-ft-item h3{font-size:16px;margin:0 0 6px;color:var(--neutral-900);font-weight:700}
.kb-ft-item h3 a{color:var(--neutral-900);text-decoration:none}
.kb-ft-item h3 a:hover{color:var(--primary-600)}
.kb-ft-item p{margin:0 0 6px;font-size:14px;line-height:1.85;color:var(--neutral-600)}
.kb-ft-index .kb-ft-item p{color:var(--neutral-500);line-height:2.1;font-size:14px}
@media(max-width:640px){.kb-ft-body{padding:6px 14px 16px}.kb-ft-det>summary{padding:14px;font-size:14px}}

/* ===== 知识库全局搜索结果 ===== */
.kb-results{display:none;margin:14px auto 0;max-width:760px;text-align:left}
.kb-results.on{display:block;background:#fff;border:1px solid var(--neutral-200);border-radius:14px;box-shadow:var(--shadow-lg);max-height:56vh;overflow:auto}
.kb-rcount{padding:10px 16px;font-size:12px;color:var(--neutral-500);border-bottom:1px dashed var(--neutral-200);position:sticky;top:0;background:#fff;z-index:2}
.kb-empty{padding:18px 16px;font-size:14px;color:var(--neutral-500)}
.kb-r{display:block;padding:12px 16px;border-bottom:1px dashed var(--neutral-100);text-decoration:none}
.kb-r:hover{background:#f6f9ff}
.kb-r-cat{display:inline-block;font-size:11px;color:var(--primary-600);background:var(--primary-50);border:1px solid var(--primary-100);border-radius:999px;padding:2px 9px;margin-right:8px}
.kb-r-name{font-size:15px;font-weight:600;color:var(--neutral-900)}
.kb-r-prev{display:block;font-size:13px;color:var(--neutral-500);margin-top:4px;line-height:1.7;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.kb-ft-item.kb-hl{background:#fffbeb;border-radius:10px;padding-left:12px;padding-right:12px;box-shadow:inset 3px 0 0 var(--primary-500)}
@media(max-width:640px){.kb-results{max-width:100%}.kb-r-name{font-size:14px}}

/* ===== GEO 第二轮：结论摘要区块 / 页面目录 ===== */
.tldr{border:1px solid var(--neutral-200);border-left:4px solid var(--primary-600);border-radius:14px;background:linear-gradient(180deg,#fff,var(--neutral-50));padding:22px 26px}
.tldr-t{font-size:18px;font-weight:600;color:var(--neutral-900);margin:0 0 8px}
.tldr-lead{margin:0 0 12px;color:var(--neutral-500);font-size:14px}
.tldr ul{margin:0;padding-left:20px}
.tldr li{color:var(--neutral-700);font-size:15px;line-height:1.95;margin-bottom:6px}
.tldr li b{color:var(--neutral-900);font-weight:600}
.toc{border:1px dashed var(--neutral-200);border-radius:14px;background:#fff;padding:18px 24px}
.toc-t{font-size:15px;font-weight:600;color:var(--neutral-500);margin:0 0 10px;letter-spacing:.5px}
.toc ul{margin:0;padding-left:18px;columns:2;column-gap:32px}
.toc li{margin-bottom:6px;font-size:14px;line-height:1.7}
.toc a{color:var(--neutral-700);text-decoration:none}
.toc a:hover{color:var(--primary-600)}
@media(max-width:860px){.toc ul{columns:1}.tldr{padding:18px}}

/* ===== 内容管理后台（admin.html） ===== */
.adm-wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.adm-card{background:#fff;border:1px solid var(--neutral-200);border-radius:14px;padding:20px;margin-bottom:18px}
.adm-card h3{font-size:17px;font-weight:700;color:var(--neutral-900);margin:0 0 6px}
.adm-card .adm-tip{font-size:13px;color:var(--neutral-500);margin:0 0 14px;line-height:1.8}
.adm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.adm-field{display:flex;flex-direction:column;gap:6px}
.adm-field label{font-size:13px;font-weight:600;color:var(--neutral-700)}
.adm-field .req{color:var(--danger,#dc2626)}
.adm-inp,.adm-sel,.adm-ta{width:100%;box-sizing:border-box;border:1px solid var(--neutral-300);border-radius:9px;padding:9px 12px;font-size:14px;color:var(--neutral-900);background:#fff;font-family:inherit;line-height:1.7}
.adm-ta{min-height:96px;resize:vertical}
.adm-inp:focus,.adm-sel:focus,.adm-ta:focus{outline:none;border-color:var(--primary-600);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.adm-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin-top:14px}
.adm-btn{border:1px solid var(--primary-600);background:var(--primary-600);color:#fff;border-radius:9px;padding:9px 18px;font-size:14px;font-weight:600;cursor:pointer}
.adm-btn:hover{filter:brightness(1.06)}
.adm-btn.ghost{background:#fff;color:var(--primary-600)}
.adm-btn.warn{background:#fff;color:#b45309;border-color:#f59e0b}
.adm-btn.danger{background:#fff;color:#b91c1c;border-color:#fca5a5}
.adm-list{display:flex;flex-direction:column;gap:10px}
.adm-item{display:flex;gap:12px;align-items:flex-start;border:1px solid var(--neutral-200);border-radius:11px;padding:12px 14px;background:#fff}
.adm-item .ai-main{flex:1;min-width:0}
.adm-item .ai-t{font-size:15px;font-weight:600;color:var(--neutral-900);margin-bottom:4px}
.adm-item .ai-m{font-size:12px;color:var(--neutral-500)}
.adm-item .ai-s{font-size:13px;color:var(--neutral-600);margin-top:4px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.adm-item .ai-ops{display:flex;flex-direction:column;gap:6px}
.adm-mini{border:1px solid var(--neutral-300);background:#fff;color:var(--neutral-700);border-radius:7px;padding:5px 10px;font-size:12px;cursor:pointer;white-space:nowrap}
.adm-mini:hover{border-color:var(--primary-600);color:var(--primary-600)}
.adm-pill{display:inline-block;font-size:12px;padding:2px 8px;border-radius:20px;background:var(--neutral-100);color:var(--neutral-600);margin-left:6px}
.adm-pill.draft{background:#fef3c7;color:#92400e}
.adm-pill.local{background:#dbeafe;color:#1e40af}
.adm-note{background:#f8fafc;border:1px dashed var(--neutral-300);border-radius:10px;padding:14px;font-size:13px;line-height:1.9;color:var(--neutral-600)}
.adm-note code{background:#eef2f7;padding:1px 5px;border-radius:4px;font-size:12px;color:#0f172a}
.adm-ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.adm-err{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.adm-stat{display:flex;gap:22px;flex-wrap:wrap}
.adm-stat div{font-size:13px;color:var(--neutral-500)}
.adm-stat b{display:block;font-size:24px;color:var(--neutral-900);font-weight:700}
.adm-gate{max-width:380px;margin:80px auto;text-align:center}

/* ===== 知识库可引用性增强：引用署名块 + 一句话定义 ===== */
.kb-cite{margin:0 0 24px;padding:18px 20px;background:var(--primary-50,#eff6ff);
  border:1px solid var(--primary-100,#dbeafe);border-left:3px solid var(--primary-600,#2563eb);border-radius:10px}
.kb-cite .kc-t{font-size:15px;font-weight:700;color:var(--neutral-900);margin-bottom:10px}
.kb-cite .kc-p{font-size:13.5px;line-height:1.85;color:var(--neutral-700);margin:0 0 8px}
.kb-cite .kc-p b{color:var(--neutral-900)}
.kb-cite .kc-p a{color:var(--primary-600,#2563eb);text-decoration:underline}
.kb-cite .kc-m{font-size:12.5px;color:var(--neutral-500);margin:10px 0 0;padding-top:10px;border-top:1px dashed var(--primary-100,#dbeafe)}
.kb-oneline{margin:6px 0 10px;padding:10px 14px;background:#f8fafc;border-left:2px solid var(--accent-600,#0891b2);
  border-radius:0 6px 6px 0;font-size:14px;line-height:1.8;color:var(--neutral-800)}
.kb-oneline b{color:var(--accent-700,#0e7490)}
/* ===== 公司实体答案块 ===== */
.entity-answer{margin:0 0 28px;padding:22px 24px;background:#fff;border:1px solid var(--neutral-200);
  border-left:4px solid var(--primary-600,#2563eb);border-radius:12px;box-shadow:0 1px 3px rgba(15,23,42,.04)}
.entity-answer .ea-tag{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--primary-700,#1d4ed8);background:var(--primary-50,#eff6ff);border:1px solid var(--primary-100,#dbeafe);
  border-radius:999px;padding:4px 12px;margin-bottom:12px}
.entity-answer .ea-lead{font-size:17px;line-height:1.95;color:var(--neutral-800);margin:0 0 12px;font-weight:600}
.entity-answer .ea-body{font-size:15px;line-height:2;color:var(--neutral-700);margin:0 0 10px}
.entity-answer .ea-facts{display:flex;flex-wrap:wrap;gap:10px 26px;margin:14px 0 0;padding:12px 0 0;
  border-top:1px dashed var(--neutral-200);font-size:13.5px;color:var(--neutral-600)}
.entity-answer .ea-facts b{color:var(--neutral-900);font-weight:600}
.entity-answer .ea-cite{margin:14px 0 0;padding:12px 14px;background:#f8fafc;border-radius:8px;
  font-size:12.5px;line-height:1.8;color:var(--neutral-500)}
.faq-list{display:flex;flex-direction:column;gap:12px}