:root{
  --bg:#070c1c;
  --bg-alt:#0a1228;
  --panel:#0f1a35;
  --panel-2:#14213f;
  --line:rgba(120,170,255,.16);
  --txt:#e9eefc;
  --txt-dim:#9aabce;
  --brand:#2f6bff;
  --brand-2:#19c6e6;
  --gold:#f4c95d;
  --gold-2:#e0a93b;
  --radius:16px;
  --maxw:1180px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --glow-cyan:0 0 40px rgba(25,198,230,.25);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  background:var(--bg);
  color:var(--txt);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}

/* ---------- 滚动进度条 ---------- */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--gold));
  box-shadow:0 0 12px rgba(25,198,230,.6);
  transition:width .12s linear;
}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(7,12,28,.78);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;
  display:flex;align-items:center;gap:24px;
  padding:13px 22px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:42px;height:42px;border-radius:10px;
  display:block;object-fit:cover;
  background:#fff;
  box-shadow:0 0 0 1px rgba(244,201,93,.35), 0 4px 14px rgba(0,0,0,.4);
  transition:transform .25s ease, box-shadow .25s ease;
}
.brand:hover .brand-logo{transform:rotate(-4deg) scale(1.04);box-shadow:0 0 0 1px var(--gold), 0 6px 18px rgba(244,201,93,.25)}
.footer-brand-logo{
  width:46px;height:46px;border-radius:10px;object-fit:cover;background:#fff;
  box-shadow:0 0 0 1px rgba(244,201,93,.35), 0 4px 12px rgba(0,0,0,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:18px;letter-spacing:1px}
.brand-text em{font-style:normal;font-size:10px;color:var(--txt-dim);letter-spacing:2px}

.nav-links{display:flex;gap:22px;margin-left:auto}
.nav-links a{color:var(--txt-dim);font-size:14.5px;transition:color .2s;position:relative;white-space:nowrap}
.nav-links a:hover{color:var(--txt)}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:width .25s;
}
.nav-links a:hover::after{width:100%}

.btn{
  display:inline-block;padding:11px 22px;border-radius:10px;font-size:14px;
  font-weight:600;cursor:pointer;border:1px solid transparent;transition:.2s;
}
.btn-nav{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--glow-cyan)}
.btn-nav:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--glow-cyan)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{border:1px solid var(--line);color:var(--txt);background:transparent}
.btn-ghost:hover{border-color:var(--brand-2);color:#fff;background:rgba(25,198,230,.06)}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;margin-left:auto}
.nav-toggle span{width:24px;height:2px;background:var(--txt);border-radius:2px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:110px 22px 80px;min-height:88vh;display:flex;align-items:center}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
.hero-glow{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(820px 460px at 80% -10%,rgba(47,107,255,.28),transparent 60%),
    radial-gradient(680px 460px at 10% 18%,rgba(25,198,230,.16),transparent 55%),
    radial-gradient(560px 360px at 60% 110%,rgba(244,201,93,.10),transparent 60%);
}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;text-align:center}
.badge-diamond{
  display:inline-block;padding:8px 18px;border-radius:999px;font-size:13px;font-weight:600;
  color:var(--gold);border:1px solid rgba(244,201,93,.4);
  background:rgba(244,201,93,.07);margin-bottom:26px;
  backdrop-filter:blur(4px);
}
.hero h1{font-size:clamp(32px,5.6vw,60px);line-height:1.16;letter-spacing:1px;font-weight:800}
.hero h1 .grad{
  background:linear-gradient(100deg,var(--brand-2),#8fd4ff 40%,var(--gold));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{max-width:700px;margin:24px auto 0;color:var(--txt-dim);font-size:17px}
.hero-sub strong{color:var(--txt)}
.hero-cta{display:flex;gap:14px;justify-content:center;margin-top:36px;flex-wrap:wrap}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  max-width:720px;margin:54px auto 0;
}
.hero-stats div{
  background:rgba(15,26,53,.55);border:1px solid var(--line);border-radius:12px;padding:18px 10px;
  backdrop-filter:blur(6px);
}
.hero-stats b{display:block;font-size:26px;color:var(--brand-2);font-weight:800}
.hero-stats span{font-size:13px;color:var(--txt-dim)}
.hero-scroll{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:2;
  font-size:26px;color:var(--txt-dim);animation:bob 1.8s infinite;
}
@keyframes bob{0%,100%{transform:translate(-50%,0);opacity:.5}50%{transform:translate(-50%,8px);opacity:1}}

/* ---------- 通用 section ---------- */
.section{max-width:var(--maxw);margin:0 auto;padding:88px 22px}
.section-alt{background:var(--bg-alt);max-width:none}
.section-alt > *{max-width:var(--maxw);margin-left:auto;margin-right:auto}
.section-head{text-align:center;margin-bottom:46px}
.eyebrow{font-size:13px;letter-spacing:3px;color:var(--brand-2);font-weight:700}
.section-head h2{font-size:clamp(24px,3.6vw,38px);margin:12px 0 10px;font-weight:800}
.section-head p{color:var(--txt-dim);max-width:640px;margin:0 auto;font-size:15px}

/* ---------- 产品分组 ---------- */
.product-groups{display:flex;flex-direction:column;gap:52px}
.pg-head{display:flex;align-items:center;gap:14px;margin-bottom:22px}
.pg-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;flex:none;box-shadow:var(--glow-cyan);
}
.pg-title{font-size:21px;font-weight:700}
.pg-title small{display:block;font-size:12px;color:var(--txt-dim);font-weight:500;letter-spacing:1px}
.pg-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.p-card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:.25s;position:relative;overflow:hidden;
}
.p-card:hover{transform:translateY(-5px);border-color:var(--brand-2);box-shadow:var(--shadow)}
.p-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));opacity:.8;
}
.p-card h3{font-size:16.5px;margin-bottom:8px;font-weight:700}
.p-card p{font-size:13.5px;color:var(--txt-dim);min-height:62px}
.p-tag{
  display:inline-block;margin-top:12px;font-size:11px;padding:3px 10px;border-radius:999px;
  background:rgba(47,107,255,.12);color:var(--brand-2);border:1px solid rgba(47,107,255,.25);
}

/* ---------- 实力看板（数字滚动） ---------- */
.metrics{
  background:linear-gradient(180deg,#0a1228,#0c1733);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:60px 22px;
}
.metrics-inner{max-width:var(--maxw);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{text-align:center;position:relative}
.metric:not(:last-child)::after{content:"";position:absolute;right:-10px;top:14%;height:72%;width:1px;background:var(--line)}
.metric b{font-size:clamp(40px,5vw,56px);font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--brand-2),#8fd4ff);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.metric b i{font-style:normal;font-size:.5em;color:var(--gold)}
.m-label{display:block;font-size:15px;margin-top:10px;color:var(--txt);font-weight:600}
.m-desc{display:block;font-size:12.5px;color:var(--txt-dim);margin-top:4px}

/* ---------- 钻石优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px;transition:.25s;position:relative;overflow:hidden;
}
.adv-card:hover{transform:translateY(-5px);border-color:var(--gold);box-shadow:var(--shadow)}
.adv-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(244,201,93,.14),transparent 70%);
}
.adv-ico{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--gold);background:rgba(244,201,93,.08);border:1px solid rgba(244,201,93,.3);margin-bottom:16px;
}
.adv-card h3{font-size:17px;margin-bottom:8px}
.adv-card p{font-size:13.5px;color:var(--txt-dim)}

/* ---------- 资质文件 ---------- */
.doc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;max-width:920px;margin:0 auto}
.doc-card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.25s;display:flex;flex-direction:column;
}
.doc-card:hover{transform:translateY(-5px);border-color:var(--brand-2);box-shadow:var(--shadow)}
.doc-thumb{position:relative;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center;padding:18px}
.doc-thumb img{width:100%;max-height:340px;object-fit:contain;border-radius:6px;transition:.3s}
.doc-card:hover .doc-thumb img{transform:scale(1.02)}
.doc-zoom{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(8,14,30,.55);color:#fff;font-size:14px;font-weight:600;letter-spacing:1px;
  opacity:0;transition:.25s;
}
.doc-card:hover .doc-zoom{opacity:1}
.doc-info{padding:20px 22px 24px}
.doc-info h3{font-size:18px;margin-bottom:6px}
.doc-info p{font-size:13.5px;color:var(--txt-dim);margin-bottom:14px;min-height:40px}
.doc-tag{display:inline-block;font-size:11px;padding:4px 12px;border-radius:999px;
  background:rgba(25,198,230,.1);color:var(--brand-2);border:1px solid rgba(25,198,230,.3)}

/* ---------- 资质认证 ---------- */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:860px;margin:0 auto}
.cert-card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:34px 30px;text-align:center;box-shadow:var(--shadow);
}
.cert-badge{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold),var(--gold-2));
  color:#1a1205;font-weight:800;font-size:17px;letter-spacing:1px;box-shadow:0 0 26px rgba(244,201,93,.3);
}
.cert-card h3{font-size:22px;margin-bottom:4px}
.cert-card small{display:block;color:var(--txt-dim);font-size:13px;margin-bottom:22px}
.cert-meta{margin:22px 0;text-align:left}
.cert-meta p{display:flex;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px solid var(--line)}
.cert-meta p:last-child{border-bottom:0}
.cert-meta span{color:var(--txt-dim);font-size:13px}
.cert-meta b{font-weight:600;font-size:14px;word-break:break-all}
.cert-note{max-width:920px;margin:24px auto 0;text-align:center;color:var(--txt-dim);font-size:13px;line-height:1.6}

/* ---------- 关于我们 ---------- */
.about-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
.about-text h2{font-size:clamp(22px,3vw,32px);margin:12px 0 18px;font-weight:800}
.about-text p{color:var(--txt-dim);margin-bottom:14px;font-size:15px}
.about-list{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:10px}
.about-list li{color:var(--txt);font-size:14.5px}
.about-card{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
}
.about-card h3{font-size:18px;margin-bottom:16px;color:var(--gold)}
.cert-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.cert-row:last-child{border-bottom:0}
.cert-row span{color:var(--txt-dim)}
.cert-row b{color:var(--txt);text-align:right}

/* ---------- 联系我们 ---------- */
.contact-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:36px}
.contact-form{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px;
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.field{display:flex;flex-direction:column;gap:7px}
.field-full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--txt-dim)}
.field input,.field textarea{
  background:rgba(7,12,28,.6);border:1px solid var(--line);border-radius:9px;
  padding:11px 13px;color:var(--txt);font-size:14px;font-family:inherit;resize:vertical;transition:.2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(25,198,230,.12)}
/* 隐藏浏览器在表单字段注入的自动填充下拉图标（Chrome/Edge 联系人/密码） */
.field input::-webkit-contacts-auto-fill-button,
.field input::-webkit-credentials-auto-fill-button{visibility:hidden;display:none!important;pointer-events:none}
.form-tip{font-size:12px;color:var(--txt-dim);margin-top:6px}
.contact-info{background:linear-gradient(160deg,var(--panel),var(--panel-2));border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.contact-info h3{font-size:18px;margin-bottom:16px;color:var(--brand-2)}
.info-row{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px solid var(--line);font-size:14px}
.info-row:last-of-type{border-bottom:0}
.info-row span{color:var(--txt-dim)}
.info-row b{text-align:right}
.info-note{font-size:12px;color:var(--txt-dim);margin-top:16px;line-height:1.5}

/* ---------- 页脚 ---------- */
.footer{background:#050914;border-top:1px solid var(--line);margin-top:20px}
.footer-inner{max-width:var(--maxw);margin:0 auto;padding:46px 22px 30px;display:flex;gap:40px;flex-wrap:wrap;justify-content:space-between}
.footer-brand{display:flex;gap:14px;align-items:center}
.footer-brand strong{font-size:17px}
.footer-brand p{font-size:13px;color:var(--txt-dim);margin-top:4px}
.footer-cols{display:flex;gap:54px;flex-wrap:wrap}
.footer-cols h4{font-size:14px;margin-bottom:12px;color:var(--txt)}
.footer-cols a{display:block;font-size:13.5px;color:var(--txt-dim);margin-bottom:8px;transition:color .2s}
.footer-cols a:hover{color:var(--brand-2)}
.footer-bottom{border-top:1px solid var(--line);padding:18px 22px;text-align:center}
.footer-bottom p{font-size:12.5px;color:var(--txt-dim)}

/* ---------- 滚动渐显 ---------- */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.js .reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:920px){
  .pg-grid,.adv-grid,.metrics-inner{grid-template-columns:repeat(2,1fr)}
  .doc-grid{grid-template-columns:1fr}
  .about-wrap,.contact-wrap{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .metric:not(:last-child)::after{display:none}
}
@media (max-width:680px){
  .nav-links{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(7,12,28,.97);border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;transition:max-height .3s;
  }
  .nav-links.open{max-height:420px}
  .nav-links a{padding:14px 22px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .btn-nav{display:none}
  .nav-toggle{display:flex}
  .pg-grid,.adv-grid,.metrics-inner{grid-template-columns:1fr}
  .contact-form{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
}

/* ============ 明星产品：瑞星 RAC 上网行为管理系统 ============ */
.nav-hot{
  color:var(--gold)!important;font-weight:700;
  position:relative;
}
.nav-hot::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--gold);border-radius:2px;
}
.rac-spotlight{
  background:
    radial-gradient(900px 380px at 80% -10%, rgba(25,198,230,.10), transparent 60%),
    radial-gradient(700px 320px at 0% 20%, rgba(244,201,93,.07), transparent 55%),
    var(--bg);
  position:relative;
}
.rac-spotlight::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,170,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.04) 1px,transparent 1px);
  background-size:42px 42px;pointer-events:none;
}
.rac-spotlight .section-head,.rac-spotlight .reveal{position:relative}

/* 产品主图 */
.rac-hero-fig{
  margin:6px auto 36px;max-width:1080px;border-radius:18px;overflow:hidden;
  border:1px solid rgba(244,201,93,.28);
  background:linear-gradient(180deg,rgba(8,16,40,.6),rgba(8,16,40,.85));
  box-shadow:0 18px 48px rgba(0,0,0,.45),0 0 0 1px rgba(120,170,255,.12),inset 0 1px 0 rgba(255,255,255,.05);
  position:relative;
}
.rac-hero-fig img{display:block;width:100%;height:auto}
.rac-hero-fig figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 22px;
  background:linear-gradient(180deg,transparent,rgba(0,0,0,.65));
  color:#dfe7ff;font-size:13.5px;letter-spacing:.5px;
  font-weight:500;text-shadow:0 1px 2px rgba(0,0,0,.6);
}

/* 痛点 → 方案 */
.rac-pain{
  display:grid;grid-template-columns:1fr auto 1fr;gap:24px;align-items:center;
  max-width:980px;margin:34px auto 10px;
}
.rac-pain-col{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px;
}
.rac-pain-col h4{font-size:16px;margin-bottom:12px;color:var(--gold)}
.rac-pain-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.rac-pain-col li{font-size:13.5px;line-height:1.55;color:var(--txt-dim);padding-left:18px;position:relative}
.rac-pain-col li::before{content:"•";position:absolute;left:2px;color:var(--gold)}
.rac-pain-fix{border-color:rgba(25,198,230,.4);box-shadow:0 0 0 1px rgba(25,198,230,.15)}
.rac-pain-arrow{font-size:26px;color:var(--gold);text-align:center}

/* 核心能力网格 */
.rac-caps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  max-width:1080px;margin:38px auto 0;
}
.rac-cap{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rac-cap:hover{transform:translateY(-4px);border-color:rgba(25,198,230,.5);box-shadow:0 10px 30px rgba(0,0,0,.35)}
.rac-cap-ic{font-size:22px;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(25,198,230,.18),rgba(244,201,93,.18));margin-bottom:12px}
.rac-cap h4{font-size:15px;margin-bottom:8px}
.rac-cap p{font-size:13px;line-height:1.6;color:var(--txt-dim)}

/* 型号规格表 */
.rac-spec{max-width:1080px;margin:44px auto 0}
.rac-spec-title{font-size:17px;text-align:center;margin-bottom:18px}
.rac-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
.rac-table{width:100%;border-collapse:collapse;min-width:760px;font-size:13px}
.rac-table th,.rac-table td{padding:11px 12px;text-align:center;border-bottom:1px solid var(--line)}
.rac-table thead th{
  background:linear-gradient(135deg,rgba(25,198,230,.16),rgba(47,107,255,.16));
  color:var(--txt);font-weight:600;position:sticky;top:0;
}
.rac-table tbody tr:hover{background:rgba(25,198,230,.06)}
.rac-table .rac-hl{background:rgba(244,201,93,.07)}
.rac-table .rac-hl td{border-bottom:1px solid rgba(244,201,93,.25)}
.rac-spec-note{font-size:12px;color:var(--txt-dim);text-align:center;margin-top:12px;line-height:1.6}

/* 选型 + 价值 */
.rac-lower{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;
  max-width:1080px;margin:40px auto 0;
}
.rac-guide{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;
}
.rac-guide h4{font-size:16px;margin-bottom:12px}
.rac-guide ul{list-style:none;display:flex;flex-direction:column;gap:9px}
.rac-guide li{font-size:13.5px;color:var(--txt-dim);line-height:1.5}
.rac-guide li b{color:var(--gold)}
.rac-guide-tip{font-size:12.5px;color:var(--gold);margin-top:14px;line-height:1.5}
.rac-value{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.rac-value-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;text-align:center;
}
.rac-value-item b{
  display:block;font-size:32px;font-weight:800;line-height:1;
  background:linear-gradient(135deg,var(--gold),#ffd97a);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.rac-value-item span{font-size:12px;color:var(--txt-dim);margin-top:8px;display:block;line-height:1.4}

/* CTA */
.rac-cta{
  display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:center;
  max-width:1080px;margin:40px auto 0;
  background:linear-gradient(135deg,rgba(25,198,230,.10),rgba(47,107,255,.10));
  border:1px solid rgba(25,198,230,.25);border-radius:var(--radius);padding:26px 28px;
}
.rac-cta-text h4{font-size:17px;margin-bottom:8px}
.rac-cta-text p{font-size:13.5px;color:var(--txt-dim);line-height:1.6}
.rac-cta-btns{display:flex;gap:12px;justify-content:flex-end;flex-wrap:wrap}

/* 产品卡片可跳转 */
.p-card-link{text-decoration:none;color:inherit;cursor:pointer}
.p-card-link:hover{transform:translateY(-4px);border-color:rgba(25,198,230,.5);box-shadow:0 10px 30px rgba(0,0,0,.35)}

/* ============ 右下角悬浮小狮子（致敬 90 年代末瑞星桌面端经典小狮子） ============ */
.mascot{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:120px;height:132px;pointer-events:none;
  display:flex;align-items:flex-end;justify-content:flex-end;
}
.mascot-lion{
  pointer-events:auto;cursor:pointer;display:block;
  width:112px;height:124px;
  filter:drop-shadow(0 10px 18px rgba(0,0,0,.45));
  animation:lion-bob 4s ease-in-out infinite;
  outline:none;
}
.mascot-lion svg{width:100%;height:100%;display:block;overflow:visible;pointer-events:none}
.mascot-lion:focus-visible{outline:2px solid var(--brand-2);outline-offset:4px;border-radius:14px}
.mascot-lion.pop{animation:lion-pop .42s ease}
@keyframes lion-pop{0%{transform:scale(1)}40%{transform:scale(1.16)}70%{transform:scale(.96)}100%{transform:scale(1)}}

.mascot-close{
  position:absolute;right:6px;top:-2px;
  width:22px;height:22px;border-radius:50%;border:0;
  background:rgba(15,26,53,.9);color:var(--txt-dim);
  font-size:15px;line-height:1;cursor:pointer;pointer-events:auto;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(0,0,0,.4);transition:.2s;z-index:2;
}
.mascot-close:hover{color:#fff;background:rgba(244,80,80,.85)}

.mascot-bubble{
  position:absolute;right:8px;bottom:122px;max-width:230px;
  background:linear-gradient(135deg,var(--panel),var(--panel-2));
  border:1px solid rgba(244,201,93,.4);
  color:var(--txt);font-size:13px;line-height:1.55;
  padding:11px 14px;border-radius:14px 14px 4px 14px;
  box-shadow:0 12px 30px rgba(0,0,0,.5);
  opacity:0;transform:translateY(8px) scale(.96);transform-origin:bottom right;
  transition:opacity .3s ease,transform .3s ease;pointer-events:none;
}
.mascot-bubble::after{
  content:"";position:absolute;right:18px;bottom:-7px;
  border:7px solid transparent;border-top-color:rgba(244,201,93,.4);
}
.mascot-bubble.show{opacity:1;transform:translateY(0) scale(1)}

/* 睡觉彩蛋：Zzz 飘出 */
.mascot-zzz{
  position:absolute;right:52px;bottom:92px;
  font-size:17px;font-weight:800;letter-spacing:1px;
  color:#bfe3ff;text-shadow:0 1px 3px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;display:none;
}
.mascot-zzz.show{display:block;animation:zzz-float 2.8s ease-in-out}
@keyframes zzz-float{
  0%{opacity:0;transform:translate(0,0) rotate(-6deg)}
  18%{opacity:.95}
  100%{opacity:0;transform:translate(16px,-44px) rotate(10deg)}
}

/* 召回小狮子按钮（被收起后出现） */
.mascot-recall{
  position:fixed;right:18px;bottom:18px;z-index:60;
  width:54px;height:54px;border-radius:50%;
  border:1px solid rgba(244,201,93,.5);
  background:linear-gradient(135deg,rgba(15,26,53,.92),rgba(25,40,80,.92));
  color:#f4c95d;font-size:25px;line-height:1;cursor:pointer;
  display:none;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(0,0,0,.5);
  transition:transform .2s,box-shadow .2s;
}
.mascot-recall:hover{transform:scale(1.08);box-shadow:0 12px 30px rgba(244,201,93,.35)}
.mascot-recall.show{display:flex;animation:lion-pop .45s ease}

/* 小狮子动画 */
@keyframes lion-bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.lion-fig{transform-box:fill-box;transform-origin:50% 100%;animation:lion-breathe 3.6s ease-in-out infinite}
@keyframes lion-breathe{0%,100%{transform:translateY(0) scale(1)}50%{transform:translateY(-2px) scale(1.022)}}
.lion-tail{transform-box:fill-box;transform-origin:0% 100%;animation:tail-wag 2.2s ease-in-out infinite}
/* 前爪（挥爪用，绕肩根摆动） */
.lion-paw{transform-box:fill-box;transform-origin:50% 0%}
/* 点击摇尾巴：快速摆几下，覆盖常驻慢摆 */
.lion-tail.wag-fast{animation:tail-wag-fast .26s ease-in-out 5}
@keyframes tail-wag-fast{0%,100%{transform:rotate(0)}50%{transform:rotate(24deg)}}
@keyframes tail-wag{0%,100%{transform:rotate(-9deg)}50%{transform:rotate(10deg)}}
.lion-eyes{transform-box:fill-box;transform-origin:center;animation:lion-blink 5.5s infinite}
@keyframes lion-blink{0%,93%,100%{transform:scaleY(1)}96%{transform:scaleY(.12)}}

@media (max-width:680px){
  .mascot{width:96px;height:108px;right:10px;bottom:10px}
  .mascot-lion{width:90px;height:100px}
  .mascot-bubble{bottom:98px;max-width:190px;font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  .mascot-lion,.lion-fig,.lion-tail,.lion-eyes{animation:none!important}
}

/* ============ 页脚小狮子彩蛋入口 ============ */
.footer-egg{position:relative;margin-top:8px}
.footer-egg a{color:var(--gold);opacity:.72;font-size:12.5px;transition:.2s}
.footer-egg a:hover{opacity:1}
.footer-egg-bubble{
  position:absolute;left:50%;bottom:145%;
  transform:translateX(-50%) translateY(6px);
  white-space:nowrap;
  background:linear-gradient(135deg,var(--panel),var(--panel-2));
  border:1px solid rgba(244,201,93,.4);color:var(--txt);font-size:12px;
  padding:7px 12px;border-radius:10px;box-shadow:0 10px 24px rgba(0,0,0,.5);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:5;
}
.footer-egg-bubble::after{
  content:"";position:absolute;left:50%;bottom:-6px;transform:translateX(-50%);
  border:6px solid transparent;border-top-color:rgba(244,201,93,.4);
}
.footer-egg a:hover .footer-egg-bubble{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:860px){
  .rac-pain{grid-template-columns:1fr;gap:14px}
  .rac-pain-arrow{transform:rotate(90deg)}
  .rac-caps{grid-template-columns:1fr}
  .rac-lower{grid-template-columns:1fr}
  .rac-cta{grid-template-columns:1fr}
  .rac-cta-btns{justify-content:flex-start}
  .rac-hero-fig{margin-bottom:26px;border-radius:14px}
  .rac-hero-fig figcaption{padding:10px 14px;font-size:12px}
}

/* ============ 星链智能防御体系 ============ */
.starlink{
  background:
    radial-gradient(900px 380px at 18% -8%, rgba(25,198,230,.10), transparent 60%),
    radial-gradient(760px 340px at 92% 12%, rgba(244,201,93,.07), transparent 55%),
    var(--bg);
  position:relative;
}
.starlink::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(120,170,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,170,255,.04) 1px,transparent 1px);
  background-size:42px 42px;pointer-events:none;
}
.starlink .section-head,.starlink .reveal{position:relative}

/* 三擎协同 */
.sl-fusion{
  display:grid;grid-template-columns:1fr auto 1fr auto 1fr;align-items:center;gap:18px;
  margin:8px auto 30px;max-width:1040px;
}
.sl-node{
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;text-align:center;transition:.25s;position:relative;overflow:hidden;
}
.sl-node::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));opacity:.85;
}
.sl-node:hover{transform:translateY(-5px);border-color:var(--brand-2);box-shadow:var(--shadow)}
.sl-node-ic{
  width:54px;height:54px;margin:0 auto 14px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;font-size:26px;
  background:rgba(25,198,230,.12);box-shadow:var(--glow-cyan);
}
.sl-node h4{font-size:17px;margin-bottom:10px;font-weight:700}
.sl-node p{font-size:13.5px;color:var(--txt-dim)}
.sl-plus{font-size:30px;font-weight:800;color:var(--gold);text-align:center;flex:none}

/* 协同闭环流程 */
.sl-loop{
  max-width:880px;margin:0 auto 34px;padding:14px 20px;border-radius:999px;
  text-align:center;font-size:14.5px;color:var(--txt);
  background:rgba(15,26,53,.6);border:1px solid var(--line);
  letter-spacing:.5px;
}
.sl-loop span{color:var(--brand-2);font-weight:700;margin:0 8px}

/* 核心数据 */
.sl-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  max-width:1040px;margin:0 auto 14px;
}
.sl-stat{
  text-align:center;padding:24px 12px;border-radius:var(--radius);
  background:linear-gradient(160deg,var(--panel),var(--panel-2));
  border:1px solid var(--line);
}
.sl-stat b{display:block;font-size:44px;font-weight:800;color:var(--brand-2);line-height:1.1}
.sl-stat span{display:block;margin-top:8px;font-size:13px;color:var(--txt-dim)}
.sl-stat-hot{border-color:rgba(244,201,93,.5);box-shadow:0 0 0 1px rgba(244,201,93,.2),0 12px 34px rgba(0,0,0,.4)}
.sl-stat-hot b{color:var(--gold)}

.sl-note{text-align:center;font-size:12px;color:var(--txt-dim);max-width:760px;margin:6px auto 0;opacity:.8}

/* CTA */
.sl-cta{
  display:grid;grid-template-columns:1.4fr 1fr;gap:22px;align-items:center;
  margin-top:40px;padding:26px 30px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,26,53,.7),rgba(20,33,63,.7));
  border:1px solid var(--line);
}
.sl-cta-text h4{font-size:19px;margin-bottom:8px;font-weight:700}
.sl-cta-text p{font-size:14px;color:var(--txt-dim)}
.sl-cta-btns{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

@media (max-width:860px){
  .sl-fusion{grid-template-columns:1fr;gap:14px}
  .sl-plus{transform:rotate(90deg)}
  .sl-stats{grid-template-columns:repeat(2,1fr)}
  .sl-stat b{font-size:36px}
  .sl-cta{grid-template-columns:1fr}
  .sl-cta-btns{justify-content:flex-start}
}