/* ============================================================
   智立云物联网官网 - 公共样式（沿用主页设计风格）
   ============================================================ */

/* ===== 设计令牌 ===== */
:root{
  --bg0:#050a14;
  --bg1:#0a1424;
  --bg2:#0e1c30;
  --card:#0d1a2c;
  --card2:#101f35;
  --line:rgba(56,189,248,.16);
  --line2:rgba(56,189,248,.34);
  --acc:#38bdf8;
  --acc2:#22d3ee;
  --acc3:#818cf8;
  --text:#eaf2fb;
  --muted:#8ba3bd;
  --dim:#5f788f;
  --ok:#34d399;
  --warn:#fbbf24;
  --maxw:1200px;
  --radius:16px;
  --shadow:0 18px 48px rgba(2,8,20,.55);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg0);
  color:var(--text);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px}

/* ===== 顶部导航 ===== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(5,10,20,.72);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(56,189,248,.10);
  transition:background .3s;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px;font-weight:900;font-size:20px;letter-spacing:.5px}
.logo-mark{width:38px;height:38px;flex:none}
.logo b{color:#fff}
.logo span{color:var(--acc)}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{color:var(--muted);font-size:15px;font-weight:500;transition:color .2s;position:relative;padding:6px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--acc),var(--acc2));transition:width .25s}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.nav-cta{
  padding:9px 20px;border-radius:999px;font-size:14px;font-weight:700;color:#04121f;
  background:linear-gradient(135deg,var(--acc),var(--acc2));
  box-shadow:0 6px 22px rgba(34,211,238,.35);
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(34,211,238,.5)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.burger i{width:22px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
body.menu-open .burger i:nth-child(1){transform:translateY(7px) rotate(45deg)}
body.menu-open .burger i:nth-child(2){opacity:0}
body.menu-open .burger i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media(max-width:960px){
  .nav-links{
    position:fixed;top:70px;left:0;right:0;flex-direction:column;gap:0;padding:14px 28px 22px;
    background:rgba(6,12,24,.97);border-bottom:1px solid var(--line);
    transform:translateY(-130%);transition:transform .3s;visibility:hidden;
  }
  body.menu-open .nav-links{transform:translateY(0);visibility:visible}
  .nav-links li{width:100%}
  .nav-links a{display:block;padding:13px 4px;border-bottom:1px dashed rgba(56,189,248,.12);font-size:16px}
  .burger{display:flex}
  .nav-cta{display:none}
}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 90px;overflow:hidden;
}
.hero-bg{position:absolute;inset:0;z-index:0;background:radial-gradient(900px 600px at 30% 30%,rgba(56,189,248,.10),transparent 70%),linear-gradient(180deg,#06101f,#050a14)}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,10,20,.72) 0%,rgba(5,10,20,.55) 40%,var(--bg0) 96%),
    linear-gradient(90deg,rgba(5,10,20,.72) 0%,rgba(5,10,20,.18) 55%,rgba(5,10,20,.45) 100%);
}
.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:.5;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse at 30% 45%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(ellipse at 30% 45%,#000 0%,transparent 72%);
}
.hero-topo{position:absolute;right:-40px;top:50%;transform:translateY(-52%);width:560px;height:560px;z-index:1;opacity:.85;pointer-events:none}
.hero-inner{position:relative;z-index:2;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  border:1px solid var(--line2);background:rgba(34,211,238,.08);color:var(--acc2);
  font-size:13px;font-weight:500;letter-spacing:2px;margin-bottom:26px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--acc2);box-shadow:0 0 12px var(--acc2);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:clamp(34px,5.6vw,64px);font-weight:900;line-height:1.16;letter-spacing:1px;
  margin-bottom:22px;max-width:16em;
}
.hero h1 em{font-style:normal;background:linear-gradient(92deg,var(--acc),var(--acc2) 60%,var(--acc3));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(15px,1.6vw,19px);color:var(--muted);max-width:34em;margin-bottom:38px;font-weight:300}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:12px;
  font-size:15px;font-weight:700;cursor:pointer;border:none;transition:transform .2s,box-shadow .2s;
}
.btn-primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#04121f;box-shadow:0 10px 30px rgba(34,211,238,.35)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 38px rgba(34,211,238,.5)}
.btn-ghost{background:rgba(56,189,248,.06);color:var(--text);border:1px solid var(--line2)}
.btn-ghost:hover{transform:translateY(-3px);background:rgba(56,189,248,.14)}
.hero-float{
  position:absolute;right:26px;bottom:-38px;z-index:2;display:none;
}
@media(min-width:1200px){.hero-float{display:block}}
.float-card{
  width:280px;background:rgba(13,26,44,.82);border:1px solid var(--line2);border-radius:var(--radius);
  backdrop-filter:blur(10px);padding:20px 22px;box-shadow:var(--shadow);
}
.float-card h4{font-size:13px;color:var(--muted);font-weight:500;letter-spacing:1px;margin-bottom:14px}
.float-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-bottom:1px dashed rgba(56,189,248,.14);font-size:14px}
.float-row:last-child{border-bottom:none}
.float-row b{color:var(--acc2);font-weight:700}

/* ===== 数据指标条 ===== */
.stats{border-block:1px solid var(--line);background:var(--bg1)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.stat{padding:38px 20px;text-align:center;position:relative}
.stat + .stat::before{content:"";position:absolute;left:0;top:30%;height:40%;width:1px;background:linear-gradient(180deg,transparent,var(--line2),transparent)}
.stat-num{font-size:clamp(30px,3.4vw,46px);font-weight:900;line-height:1.1;font-variant-numeric:tabular-nums}
.stat-num i{font-style:normal;color:var(--acc);font-size:.62em;font-weight:700;margin-left:2px}
.stat-label{margin-top:8px;color:var(--muted);font-size:14px;font-weight:300}
@media(max-width:768px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(3)::before,.stat:nth-child(4)::before{display:none}
}

/* ===== 通用 section ===== */
.section{padding:104px 0;position:relative}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:4px;color:var(--acc);
  margin-bottom:14px;text-transform:uppercase;
}
.section-title{font-size:clamp(26px,3.4vw,40px);font-weight:900;line-height:1.3}
.section-title em{font-style:normal;color:var(--acc2)}
.section-desc{margin-top:16px;color:var(--muted);font-weight:300}

/* ===== 解决方案 ===== */
.solutions{background:var(--bg1)}
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px;position:relative;overflow:hidden;transition:transform .3s,border-color .3s,box-shadow .3s;
}
.sol-card::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s;pointer-events:none;
  background:radial-gradient(560px 220px at 20% 0%,rgba(56,189,248,.14),transparent 70%);
}
.sol-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:var(--shadow)}
.sol-card:hover::before{opacity:1}
.sol-ico{
  width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(56,189,248,.16),rgba(34,211,238,.08));
  border:1px solid var(--line2);margin-bottom:22px;
}
.sol-ico svg{width:28px;height:28px;stroke:var(--acc2)}
.sol-card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.sol-card p{color:var(--muted);font-size:14.5px;font-weight:300}
.sol-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.sol-tags span{
  font-size:12px;color:var(--acc);background:rgba(56,189,248,.08);
  border:1px solid rgba(56,189,248,.22);padding:3px 11px;border-radius:999px;
}

/* ===== 产品中心 ===== */
.products{background:var(--bg0)}
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.prod-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .3s,border-color .3s,box-shadow .3s;
}
.prod-card:hover{transform:translateY(-6px);border-color:var(--line2);box-shadow:var(--shadow)}
.prod-img{position:relative;height:210px;overflow:hidden;background:linear-gradient(135deg,#0c1a2e,#102338)}
.prod-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.prod-card:hover .prod-img img{transform:scale(1.06)}
.prod-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(10,20,36,.92))}
.prod-no{position:absolute;left:18px;top:14px;z-index:2;font-size:13px;font-weight:700;color:var(--acc2);letter-spacing:1px;background:rgba(5,10,20,.6);border:1px solid var(--line2);padding:2px 10px;border-radius:999px;backdrop-filter:blur(4px)}
.prod-body{padding:24px 26px 28px;display:flex;flex-direction:column;flex:1}
.prod-body h3{font-size:19px;font-weight:700;margin-bottom:9px}
.prod-body p{color:var(--muted);font-size:14px;font-weight:300;flex:1}
.prod-body ul{list-style:none;margin-top:14px;display:grid;gap:7px}
.prod-body li{font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}
.prod-body li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--acc);flex:none}

/* ===== 技术架构 ===== */
.arch{
  background:
    linear-gradient(180deg,var(--bg0),rgba(10,20,36,.94)),
    radial-gradient(900px 500px at 70% 20%,rgba(56,189,248,.10),transparent 70%);
}
.arch-stage{
  max-width:960px;margin:0 auto;position:relative;padding:8px 0;
}
.arch-stage::before{
  content:"";position:absolute;left:50%;top:4%;bottom:4%;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--acc2),var(--acc),var(--acc3));
  box-shadow:0 0 18px rgba(56,189,248,.5);
}
.arch-layer{
  position:relative;z-index:2;display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:center;
  margin:16px 0;
}
.arch-layer .tag-row{grid-column:1/-1;display:flex;justify-content:center;margin-bottom:-1px}
.arch-layer .dot{
  width:16px;height:16px;border-radius:50%;justify-self:center;grid-column:2;position:relative;z-index:3;
  background:var(--bg0);border:3px solid var(--acc);box-shadow:0 0 0 4px rgba(56,189,248,.18),0 0 16px var(--acc);
}
.arch-box{
  background:rgba(13,26,44,.9);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 26px;backdrop-filter:blur(6px);transition:border-color .3s,transform .3s;
}
.arch-box:hover{border-color:var(--line2);transform:translateY(-3px)}
.arch-box.left{grid-column:1;margin-right:34px;text-align:right}
.arch-box.right{grid-column:3;margin-left:34px}
.arch-box h3{font-size:18px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.arch-box.left h3{justify-content:flex-end}
.arch-box h3 svg{width:22px;height:22px;stroke:var(--acc2);flex:none}
.arch-box p{color:var(--muted);font-size:13.5px;font-weight:300}
.arch-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:3px;padding:6px 20px;border-radius:999px;
  background:rgba(56,189,248,.10);border:1px solid var(--line2);color:var(--acc2);margin-bottom:12px;
}
@media(max-width:820px){
  .arch-layer{grid-template-columns:1fr}
  .arch-layer .dot{display:none}
  .arch-stage::before{display:none}
  .arch-box.left{grid-column:1;margin-right:0;text-align:left}
  .arch-box.right{grid-column:1;margin-left:0}
  .arch-box.left h3{justify-content:flex-start}
}

/* ===== 核心能力 ===== */
.cap{background:var(--bg1)}
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;align-items:center}
.cap-list{display:grid;gap:20px}
.cap-item{display:flex;gap:16px}
.cap-ico{
  width:48px;height:48px;flex:none;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(56,189,248,.18),rgba(129,140,248,.10));
  border:1px solid var(--line2);
}
.cap-ico svg{width:24px;height:24px;stroke:var(--acc2)}
.cap-item h3{font-size:17px;font-weight:700;margin-bottom:5px}
.cap-item p{color:var(--muted);font-size:14px;font-weight:300}
.cap-chart{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 12px;box-shadow:var(--shadow);
}
.cap-chart h4{font-size:15px;font-weight:700;margin-bottom:4px}
.cap-chart .sub{font-size:12.5px;color:var(--muted);font-weight:300;margin-bottom:8px}
#chart-cap{width:100%;height:300px}
@media(max-width:900px){.cap-grid{grid-template-columns:1fr}}

/* ===== 行业案例 ===== */
.cases{background:var(--bg0)}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-card{
  position:relative;border-radius:var(--radius);overflow:hidden;height:330px;cursor:pointer;
  border:1px solid var(--line);transition:border-color .3s,box-shadow .3s;
}
.case-card:hover{border-color:var(--line2);box-shadow:var(--shadow)}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.case-card:hover img{transform:scale(1.06)}
.case-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;padding:28px;
  background:linear-gradient(180deg,rgba(5,10,20,.06) 30%,rgba(5,10,20,.92) 100%);
}
.case-mask .case-tag{font-size:12px;font-weight:700;letter-spacing:3px;color:var(--acc2);margin-bottom:10px}
.case-mask h3{font-size:22px;font-weight:900;margin-bottom:6px}
.case-mask p{color:#c2d3e6;font-size:14px;font-weight:300;max-width:42em}
@media(max-width:768px){.case-grid{grid-template-columns:1fr}}

/* ===== 新闻动态 ===== */
.news{background:var(--bg1)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 24px;
  display:flex;flex-direction:column;gap:12px;transition:transform .3s,border-color .3s,box-shadow .3s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line2);box-shadow:var(--shadow)}
.news-date{font-size:12.5px;color:var(--acc);font-weight:500;letter-spacing:1px}
.news-card h3{font-size:16.5px;font-weight:700;line-height:1.5}
.news-card p{color:var(--muted);font-size:13.5px;font-weight:300;flex:1}
.news-more{font-size:13.5px;color:var(--acc2);font-weight:500;display:inline-flex;align-items:center;gap:6px}
.news-more::after{content:"→";transition:transform .2s}
.news-card:hover .news-more::after{transform:translateX(4px)}

/* ===== 联系表单 ===== */
.contact{background:var(--bg0)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.contact-info h3{font-size:24px;font-weight:900;margin-bottom:14px}
.contact-info p{color:var(--muted);font-weight:300;margin-bottom:22px}
.contact-ways{display:grid;gap:14px}
.contact-way{display:flex;gap:14px;align-items:flex-start;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px}
.contact-way svg{width:22px;height:22px;stroke:var(--acc);flex:none;margin-top:2px}
.contact-way b{display:block;font-size:14px;color:#fff;font-weight:700}
.contact-way span{font-size:13.5px;color:var(--muted)}
.contact-form{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:13px;color:var(--muted);font-weight:500}
.field input,.field textarea{
  background:rgba(5,10,20,.5);border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;color:var(--text);font-size:14px;font-family:inherit;outline:none;transition:border-color .2s;
}
.field input:focus,.field textarea:focus{border-color:var(--line2)}
.field textarea{resize:vertical;min-height:110px}
.form-note{font-size:12.5px;color:var(--dim);margin-top:6px}
@media(max-width:860px){.contact-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}

/* ===== CTA + 页脚 ===== */
.cta{
  position:relative;overflow:hidden;padding:96px 0;background:var(--bg0);
}
.cta-bg{position:absolute;inset:0;opacity:.5;background:radial-gradient(900px 500px at 50% 0%,rgba(56,189,248,.12),transparent 70%)}
.cta-bg img{width:100%;height:100%;object-fit:cover;object-position:center 70%}
.cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--bg0) 8%,rgba(5,10,20,.78) 50%,var(--bg0) 96%)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{font-size:clamp(26px,3.6vw,42px);font-weight:900;line-height:1.3;margin-bottom:18px}
.cta-inner h2 em{font-style:normal;color:var(--acc2)}
.cta-inner p{color:var(--muted);font-weight:300;margin-bottom:34px}
footer{background:var(--bg1);border-top:1px solid var(--line);padding:60px 0 34px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;margin-bottom:44px}
.foot-brand p{color:var(--muted);font-size:13.5px;font-weight:300;margin-top:14px;max-width:30em}
.foot-col h4{font-size:14px;font-weight:700;letter-spacing:1px;margin-bottom:16px;color:#fff}
.foot-col ul{list-style:none;display:grid;gap:10px}
.foot-col a,.foot-col li{color:var(--muted);font-size:13.5px;font-weight:300;transition:color .2s}
.foot-col a:hover{color:var(--acc2)}
.foot-contact li{display:flex;gap:8px;align-items:flex-start}
.foot-contact svg{width:16px;height:16px;stroke:var(--acc);flex:none;margin-top:4px}
.foot-bottom{
  border-top:1px solid rgba(56,189,248,.10);padding-top:24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:var(--dim);font-size:12.5px;font-weight:300;
}
@media(max-width:960px){
  .foot-grid{grid-template-columns:1fr 1fr}
  .section{padding:80px 0}
}
@media(max-width:768px){
  .sol-grid,.prod-grid,.news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-topo{width:320px;height:320px;right:-120px}
  .news-card p,.foot-col a,.foot-col li{font-size:14px}
  .case-mask p{font-size:14.5px}
}

/* ===== 滚动显现 ===== */
.rv{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.rv.on{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .rv{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ===== Toast ===== */
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,80px);
  background:rgba(13,26,44,.95);border:1px solid var(--line2);color:var(--text);
  padding:12px 24px;border-radius:12px;font-size:14px;box-shadow:var(--shadow);
  opacity:0;transition:transform .35s,opacity .35s;z-index:200;pointer-events:none;
}

/* ===== 新闻中心（列表 / 详情） ===== */
.center-more{text-align:center;margin-top:36px}
.cat-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 30px}
.cat-tabs a{padding:8px 18px;border-radius:999px;font-size:14px;color:var(--muted);border:1px solid var(--line);background:rgba(56,189,248,.04);transition:.2s}
.cat-tabs a:hover{color:#fff;border-color:var(--line2)}
.cat-tabs a.active{color:#04121f;background:linear-gradient(135deg,var(--acc),var(--acc2));border-color:transparent;font-weight:700}
.news-cat{display:inline-block;font-size:12px;color:var(--acc2);background:rgba(34,211,238,.10);border:1px solid rgba(34,211,238,.3);padding:3px 11px;border-radius:999px;margin-bottom:8px}
.news-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:10px}
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:38px;flex-wrap:wrap}
.pager a,.pager span{padding:8px 14px;border-radius:10px;font-size:14px;border:1px solid var(--line);color:var(--muted);min-width:42px;text-align:center}
.pager a:hover{color:#fff;border-color:var(--line2);background:rgba(56,189,248,.06)}
.pager .cur{color:#04121f;background:linear-gradient(135deg,var(--acc),var(--acc2));border-color:transparent;font-weight:700}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ===== 子页面通用页头（page-hero） ===== */
.page-hero{position:relative;overflow:hidden;padding:150px 0 64px;background:var(--bg0);border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(1000px 460px at 16% 0%,rgba(56,189,248,.13),transparent 70%),
             linear-gradient(180deg,#081527 0%,var(--bg0) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:48px 48px;mask-image:radial-gradient(700px 360px at 18% 30%,#000,transparent 75%);
}
.page-hero .wrap{position:relative;z-index:2}
.page-tag{display:inline-block;font-size:13px;letter-spacing:3px;color:var(--acc2);font-weight:600;margin-bottom:14px;text-transform:uppercase}
.page-hero h1{font-size:clamp(28px,4vw,46px);font-weight:900;line-height:1.25;margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--acc2)}
.page-hero p{color:var(--muted);font-weight:300;max-width:46em;font-size:15.5px;line-height:1.85}
.page-bread{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:18px}
.page-bread a{color:var(--muted)}
.page-bread a:hover{color:var(--acc2)}
.page-bread span{color:var(--acc)}

/* 子页底部 CTA 带 */
.sub-cta{padding:72px 0;background:var(--bg0);border-top:1px solid var(--line);text-align:center}
.sub-cta h2{font-size:clamp(22px,3vw,34px);font-weight:900;margin-bottom:14px}
.sub-cta h2 em{font-style:normal;color:var(--acc2)}
.sub-cta p{color:var(--muted);font-weight:300;margin-bottom:28px}
.sub-cta .hero-actions{justify-content:center}

/* 导航当前项高亮 */
.nav-links a.active{color:#fff}
.nav-links a.active::after{width:100%}

@media(max-width:768px){
  .page-hero{padding:120px 0 48px}
}