/* ===========================================================
   A16A 主站主题 · 样式
   视觉基线对齐 saas.a16a.com（品牌红 #D0021B）
   =========================================================== */
:root{
  --c-primary:#d0021b;
  --c-primary-2:#a8000f;
  --c-primary-3:#fdecee;
  --c-accent:#ff3b52;
  --c-accent-2:#ff6b7d;
  --c-ink:#16181d;
  --c-text:#3c4a63;
  --c-muted:#8a93a2;
  --c-line:#e3e7ec;
  --c-bg:#ffffff;
  --c-bg-soft:#f4f6f8;
  --c-bg-dark:#07080a;
  --r-sm:6px; --r-md:10px; --r-lg:14px; --r-xl:14px;
  --sh-sm:0 2px 8px rgba(208,2,27,.06);
  --sh-md:0 8px 28px rgba(208,2,27,.09);
  --sh-lg:0 18px 56px rgba(208,2,27,.13);
  --sp:clamp(56px,7vw,104px);
  --max:1240px;
  --hd:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:15px;line-height:1.75;color:var(--c-text);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;line-height:1.35;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;z-index:9999}
.skip-link:focus{left:0}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 clamp(16px,3vw,28px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:var(--r-md);font-size:15px;font-weight:600;
  line-height:1;cursor:pointer;transition:all .25s cubic-bezier(.4,0,.2,1);
  white-space:nowrap;border:1px solid transparent;
}
.btn-primary{background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary));color:#fff;box-shadow:0 6px 20px rgba(22,87,201,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(22,87,201,.36)}
.btn-accent{background:linear-gradient(135deg,var(--c-accent-2),var(--c-accent));color:#fff;box-shadow:0 6px 20px rgba(208,2,27,.28)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(208,2,27,.36)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary);color:#fff}
.btn-outline-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline-light:hover{background:#fff;color:var(--c-primary);border-color:#fff}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-lg{padding:16px 40px;font-size:16px}
.btn-block{width:100%}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;height:var(--hd);
  background:rgba(255,255,255,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;transition:all .3s;
}
.site-header.scrolled{border-bottom-color:var(--c-line);box-shadow:var(--sh-sm)}
.hd-inner{height:var(--hd);display:flex;align-items:center;justify-content:space-between;gap:20px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo img{height:38px;width:auto}
.logo-mark{
  width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary));
  color:#fff;font-weight:800;font-size:13px;letter-spacing:-.5px;
}
.logo-text{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  padding:9px 15px;border-radius:var(--r-sm);font-size:14.5px;font-weight:500;
  color:var(--c-text);position:relative;transition:all .2s;
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-3)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:'';position:absolute;left:15px;right:15px;bottom:1px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.hd-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{display:none;width:40px;height:40px;flex-direction:column;justify-content:center;gap:5px;padding:0 8px}
.nav-toggle span{display:block;height:2px;background:var(--c-ink);border-radius:2px;transition:all .3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 业务下拉菜单 ---------- */
.nav-item{position:relative}
.nav-item>.nav-link{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.nav-caret{
  width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translateY(-1px);transition:transform .25s;opacity:.7;margin-top:-3px;
}
.nav-item.open>.nav-link .nav-caret{transform:rotate(225deg) translateY(-2px)}
.nav-item.open>.nav-link{color:var(--c-primary);background:var(--c-primary-3)}
.nav-item.active>.nav-link{color:var(--c-primary);font-weight:600}

.nav-sub{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translate(-50%,10px);
  min-width:300px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  box-shadow:var(--sh-md);padding:8px;opacity:0;visibility:hidden;
  transition:opacity .22s,transform .22s,visibility .22s;
}
/* 顶部留一条透明桥，避免鼠标从标题移到面板时 hover 断掉 */
.nav-sub::before{content:'';position:absolute;top:-9px;left:0;right:0;height:9px}
.nav-item.open>.nav-sub{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav-sub-item{
  display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:var(--r-sm);
  transition:background .18s;
}
.nav-sub-item:hover{background:var(--c-primary-3)}
.ns-ic{
  width:32px;height:32px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary));
}
.ns-txt{display:flex;flex-direction:column;gap:2px;min-width:0}
.ns-name{font-size:14px;font-weight:600;color:var(--c-ink);line-height:1.3}
.nav-sub-item:hover .ns-name{color:var(--c-primary)}
.ns-desc{font-size:12px;color:var(--c-muted);line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 二级子页面（如广告平台）：缩进 + 左侧引导线 + 小一档图标 */
.nav-sub{padding-left:8px}
.nav-sub-item.is-child{
  position:relative;margin-left:16px;padding:9px 12px;
}
.nav-sub-item.is-child::before{
  content:'';position:absolute;left:-9px;top:6px;bottom:6px;width:1px;
  background:linear-gradient(180deg,transparent,var(--c-line) 18%,var(--c-line) 82%,transparent);
}
.nav-sub-item.is-child .ns-ic{
  width:26px;height:26px;border-radius:7px;font-size:11px;
  background:var(--c-primary-3);color:var(--c-primary);
}
.nav-sub-item.is-child .ns-name{font-size:13px}
.nav-sub-item.is-child .ns-desc{font-size:11.5px}

/* ---------- 区块通用 ---------- */
.sec{padding:var(--sp) 0}
.sec-soft{background:var(--c-bg-soft)}
.sec-dark{background:var(--c-bg-dark);color:#a8bcdb}
.sec-dark h2,.sec-dark h3,.sec-dark h4{color:#fff}
.sec-head{text-align:center;max-width:760px;margin:0 auto clamp(36px,5vw,60px)}
.sec-tag{
  display:inline-block;padding:6px 16px;border-radius:100px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:var(--c-primary);background:var(--c-primary-3);margin-bottom:16px;
}
.sec-dark .sec-tag{background:rgba(255,255,255,.1);color:var(--c-accent-2)}
.sec-title{font-size:clamp(26px,3.4vw,40px);margin-bottom:14px}
.sec-sub{font-size:15.5px;color:var(--c-muted);line-height:1.8}
.sec-dark .sec-sub{color:#8ba3c7}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:calc(var(--hd) + clamp(56px,8vw,110px)) 0 clamp(64px,9vw,120px);
  background:radial-gradient(1200px 620px at 78% -8%,#1c5fd6 0%,transparent 58%),
             linear-gradient(150deg,#07080a 0%,#3d0006 52%,#7a0011 100%);
  color:#fff;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:62px 62px;mask-image:radial-gradient(circle at 62% 34%,#000 0%,transparent 76%);
}
.hero::after{
  content:'';position:absolute;width:620px;height:620px;right:-180px;top:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,59,82,.2),transparent 66%);filter:blur(30px);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(32px,5vw,72px);align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:100px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  font-size:13px;font-weight:500;color:#c5d8f5;margin-bottom:24px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--c-accent-2);display:block;
  box-shadow:0 0 0 0 rgba(255,59,82,.7);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 10px rgba(255,59,82,0)}100%{box-shadow:0 0 0 0 rgba(255,59,82,0)}}
.hero h1{font-size:clamp(30px,4.4vw,55px);line-height:1.18;color:#fff;margin-bottom:22px;letter-spacing:-.025em}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--c-accent-2),#6ee7d8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:clamp(15px,1.35vw,17.5px);color:#bed2ef;line-height:1.85;max-width:600px;margin-bottom:34px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding-top:32px;border-top:1px solid rgba(255,255,255,.14)}
.hs-num{font-size:clamp(23px,2.7vw,34px);font-weight:800;color:#fff;line-height:1.1;letter-spacing:-.03em}
.hs-num sup{font-size:.5em;color:var(--c-accent-2);margin-left:2px}
.hs-label{font-size:12.5px;color:#8ba3c7;margin-top:6px}

/* Hero 卡片 */
.hero-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-xl);
  padding:clamp(22px,2.6vw,32px);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 24px 64px rgba(0,0,0,.28);
}
.hc-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:6px;letter-spacing:.02em}
.hc-sub{font-size:12.5px;color:#8ba3c7;margin-bottom:22px}
.hc-list{display:flex;flex-direction:column;gap:12px}
.hc-item{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.07);transition:all .25s}
.hc-item:hover{background:rgba(255,255,255,.09);transform:translateX(4px)}
.hc-ic{width:34px;height:34px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(255,59,82,.25),rgba(22,87,201,.25));font-size:15px}
.hc-txt{font-size:13.5px;color:#d3e2f7;font-weight:500}
.hc-meta{font-size:11.5px;color:#8a93a2;margin-top:1px}

/* ---------- 业务网格 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
.biz-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px 28px;transition:all .32s cubic-bezier(.4,0,.2,1);overflow:hidden;
}
.biz-card::before{
  content:'';position:absolute;left:0;top:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--c-primary-2),var(--c-accent));
  transform:scaleX(0);transform-origin:left;transition:transform .35s;
}
.biz-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg);border-color:transparent}
.biz-card:hover::before{transform:scaleX(1)}
.biz-ic{
  width:54px;height:54px;border-radius:14px;display:grid;place-items:center;margin-bottom:22px;
  background:linear-gradient(135deg,var(--c-primary-3),#dbe8fb);color:var(--c-primary);
  font-size:22px;font-weight:800;transition:all .3s;
}
.biz-card:hover .biz-ic{background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary));color:#fff;transform:scale(1.06) rotate(-4deg)}
.biz-card h3{font-size:19px;margin-bottom:10px}
.biz-card p{font-size:14px;color:var(--c-muted);line-height:1.75;margin-bottom:18px;min-height:48px}
.biz-tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:20px}
.biz-tag{font-size:12px;padding:4px 11px;border-radius:100px;background:var(--c-bg-soft);color:var(--c-text)}
.biz-more{font-size:13.5px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:5px}
.biz-more::after{content:'→';transition:transform .25s}
.biz-card:hover .biz-more::after{transform:translateX(4px)}
.biz-hot{
  position:absolute;top:18px;right:18px;font-size:11px;font-weight:700;padding:4px 10px;
  border-radius:100px;background:linear-gradient(135deg,var(--c-accent-2),var(--c-accent));color:#fff;
}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.adv-item{
  padding:28px 24px;border-radius:var(--r-lg);background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.09);transition:all .3s;
}
.adv-item:hover{background:rgba(255,255,255,.085);border-color:rgba(255,59,82,.32);transform:translateY(-4px)}
.adv-num{font-size:12px;font-weight:800;color:var(--c-accent-2);letter-spacing:.14em;margin-bottom:14px}
.adv-item h4{font-size:16.5px;margin-bottom:10px}
.adv-item p{font-size:13.5px;color:#8ba3c7;line-height:1.75}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:24px}
.case-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  transition:all .3s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--sh-lg)}
.case-thumb{
  aspect-ratio:16/10;background:linear-gradient(135deg,var(--c-primary),var(--c-accent));
  position:relative;overflow:hidden;display:grid;place-items:center;
}
.case-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.case-card:hover .case-thumb img{transform:scale(1.06)}
.case-thumb-ph{font-size:34px;font-weight:800;color:rgba(255,255,255,.28);letter-spacing:-.03em}
.case-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.case-cate{font-size:12px;font-weight:600;color:var(--c-primary);margin-bottom:9px}
.case-body h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.case-body p{font-size:13.5px;color:var(--c-muted);line-height:1.7;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px}
.case-metrics{display:flex;gap:16px;padding-top:14px;border-top:1px solid var(--c-line)}
.cm-item{flex:1}
.cm-val{font-size:17px;font-weight:800;color:var(--c-primary);line-height:1.2}
.cm-label{font-size:11.5px;color:var(--c-muted);margin-top:2px}

/* ---------- 产品/套餐 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(270px,1fr));gap:22px}
.prod-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 24px;
  display:flex;flex-direction:column;transition:all .3s;position:relative;
}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--sh-md);border-color:#cfddf3}
.prod-card.rec{border-color:var(--c-primary);box-shadow:0 0 0 1px var(--c-primary),var(--sh-md)}
.prod-badge{
  position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  font-size:11.5px;font-weight:700;padding:5px 15px;border-radius:100px;
  background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary));color:#fff;white-space:nowrap;
}
.prod-card h3{font-size:17px;margin-bottom:9px}
.prod-desc{font-size:13.5px;color:var(--c-muted);line-height:1.7;margin-bottom:18px;flex:1}
.prod-price{font-size:27px;font-weight:800;color:var(--c-ink);letter-spacing:-.03em;margin-bottom:4px}
.prod-price small{font-size:13px;font-weight:500;color:var(--c-muted);margin-left:4px}
.prod-feats{list-style:none;margin:20px 0 24px;display:flex;flex-direction:column;gap:10px}
.prod-feats li{font-size:13.5px;color:var(--c-text);padding-left:24px;position:relative;line-height:1.6}
.prod-feats li::before{
  content:'✓';position:absolute;left:0;top:0;width:16px;height:16px;border-radius:50%;
  background:var(--c-primary-3);color:var(--c-primary);font-size:10px;font-weight:800;
  display:grid;place-items:center;line-height:1;
}

/* ---------- 资讯 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:24px}
.news-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:all .3s}
.news-card:hover{transform:translateY(-5px);box-shadow:var(--sh-md)}
.news-thumb{aspect-ratio:16/9;background:var(--c-primary-3);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;flex:1;display:flex;flex-direction:column}
.news-date{font-size:12.5px;color:var(--c-muted);margin-bottom:9px}
.news-body h3{font-size:16px;line-height:1.55;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13.5px;color:var(--c-muted);line-height:1.7;flex:1;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{font-size:13px;font-weight:600;color:var(--c-primary)}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,#a8000f 55%,#7a0011 100%);
  border-radius:var(--r-xl);padding:clamp(38px,5vw,64px) clamp(28px,4vw,56px);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;color:#fff;
}
.cta-band::before{
  content:'';position:absolute;width:420px;height:420px;right:-100px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,59,82,.26),transparent 68%);
}
.cta-txt{position:relative;z-index:2;flex:1;min-width:280px}
.cta-txt h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px}
.cta-txt p{color:#bed2ef;font-size:15px;line-height:1.75}
.cta-act{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 面包屑 ---------- */
.crumb{padding:calc(var(--hd) + 26px) 0 0;font-size:13px;color:var(--c-muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li+li::before{content:'/';margin-right:8px;color:#c3cede}
.crumb a:hover{color:var(--c-primary)}

/* ---------- 内页头 ---------- */
.page-hero{padding:32px 0 44px}
.page-hero h1{font-size:clamp(25px,3.2vw,38px);margin-bottom:14px;letter-spacing:-.02em}
.page-hero p{font-size:15.5px;color:var(--c-muted);max-width:760px;line-height:1.8}

/* ---------- 文章正文 ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-body{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,42px);font-size:15.5px;line-height:1.9;color:#33415c;
}
.article-body h2{font-size:21px;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--c-primary);line-height:1.4}
.article-body h3{font-size:18px;margin:28px 0 13px}
.article-body p{margin:0 0 18px}
.article-body img{border-radius:var(--r-md);margin:22px 0;box-shadow:var(--sh-sm)}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px;list-style:revert}
.article-body li{margin-bottom:9px}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(22,87,201,.3)}
.article-body a:hover{border-bottom-color:var(--c-primary)}
.article-body blockquote{
  margin:22px 0;padding:18px 22px;background:var(--c-bg-soft);border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;color:#46577a;font-size:15px;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;text-align:left}
.article-body th{background:var(--c-bg-soft);font-weight:600;color:var(--c-ink)}
.article-body pre{background:#0f1c33;color:#c8d8f0;padding:18px 20px;border-radius:var(--r-md);
  overflow-x:auto;font-size:13px;line-height:1.7;margin:20px 0}
.article-body code{background:#eef3fb;padding:2px 6px;border-radius:4px;font-size:13.5px;color:#d0021b}
.article-body pre code{background:none;padding:0;color:inherit}

.art-meta{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--c-muted);
  padding-bottom:20px;margin-bottom:28px;border-bottom:1px solid var(--c-line)}
.art-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line)}
.art-tag{font-size:12.5px;padding:5px 13px;border-radius:100px;background:var(--c-bg-soft);color:var(--c-text);transition:all .2s}
.art-tag:hover{background:var(--c-primary-3);color:var(--c-primary)}

.art-nav{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:28px}
.art-nav a{padding:16px 18px;border:1px solid var(--c-line);border-radius:var(--r-md);font-size:13.5px;
  line-height:1.6;transition:all .25s;display:block}
.art-nav a:hover{border-color:var(--c-primary);background:var(--c-bg-soft)}
.art-nav small{display:block;color:var(--c-muted);font-size:12px;margin-bottom:5px}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:calc(var(--hd) + 20px)}
.side-box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:22px}
.side-box h4{font-size:15px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--c-line)}
.side-cates{display:flex;flex-direction:column;gap:2px}
.side-cates a{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;
  border-radius:var(--r-sm);font-size:14px;transition:all .2s}
.side-cates a:hover{background:var(--c-bg-soft);color:var(--c-primary)}
.side-cates a.active{background:var(--c-primary-3);color:var(--c-primary);font-weight:600}
.side-cates .cnt{font-size:12px;color:var(--c-muted)}
.side-posts{display:flex;flex-direction:column;gap:14px}
.side-post{display:flex;gap:12px;align-items:flex-start}
.side-post-thumb{width:66px;height:50px;border-radius:var(--r-sm);flex-shrink:0;overflow:hidden;background:var(--c-primary-3)}
.side-post-thumb img{width:100%;height:100%;object-fit:cover}
.side-post-info h5{font-size:13.5px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-post-info span{font-size:12px;color:var(--c-muted)}
.side-post:hover h5{color:var(--c-primary)}
.side-cta{background:linear-gradient(140deg,var(--c-primary),#7a0011);color:#fff;border:0}
.side-cta h4{color:#fff;border-bottom-color:rgba(255,255,255,.18)}
.side-cta p{font-size:13.5px;color:#bed2ef;line-height:1.7;margin-bottom:18px}

/* ---------- 分页 ---------- */
.pagination{display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap;margin-top:44px}
.pg-btn,.pg-num{padding:9px 15px;border:1px solid var(--c-line);border-radius:var(--r-sm);
  font-size:14px;background:#fff;transition:all .2s;color:var(--c-text)}
.pg-num.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;font-weight:600}
a.pg-btn:hover,a.pg-num:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pg-btn.disabled{opacity:.42;cursor:not-allowed}
.pg-gap{padding:0 4px;color:var(--c-muted)}
.pg-info{font-size:13px;color:var(--c-muted);margin-left:8px}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.form-item{display:flex;flex-direction:column;gap:8px}
.form-item.full{grid-column:1/-1}
.form-label{font-size:13.5px;font-weight:600;color:var(--c-ink)}
.form-label .req{color:#e5484d;margin-left:3px}
.form-input,.form-textarea,.form-select{
  width:100%;padding:12px 15px;border:1px solid var(--c-line);border-radius:var(--r-md);
  background:#fff;font-size:14.5px;transition:all .2s;outline:none;
}
.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--c-primary-2);box-shadow:0 0 0 3px rgba(22,87,201,.11)}
.form-textarea{min-height:130px;resize:vertical;line-height:1.7}
.form-tip{font-size:12.5px;color:var(--c-muted)}
.form-row-captcha{display:flex;gap:12px;align-items:flex-start}
.form-row-captcha .form-input{flex:1}
.captcha-img{height:44px;width:120px;border-radius:var(--r-md);border:1px solid var(--c-line);cursor:pointer;object-fit:cover}

.alert{padding:14px 18px;border-radius:var(--r-md);font-size:14px;margin-bottom:20px;line-height:1.7}
.alert-ok{background:#e8f8f0;color:#0a7a4a;border:1px solid #b7e8cf}
.alert-err{background:#fdecec;color:#c02a2f;border:1px solid #f8c9ca}
.alert-info{background:var(--c-primary-3);color:var(--c-primary);border:1px solid #c9dcf7}

/* ---------- 联系页 ---------- */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:start}
.contact-info{display:flex;flex-direction:column;gap:16px}
.ci-item{display:flex;gap:15px;padding:20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md)}
.ci-ic{width:42px;height:42px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:var(--c-primary-3);color:var(--c-primary);font-size:17px;font-weight:700}
.ci-body h4{font-size:14.5px;margin-bottom:5px}
.ci-body p{font-size:14px;color:var(--c-text);word-break:break-all;line-height:1.7}
.ci-body a:hover{color:var(--c-primary)}

/* ---------- 案例详情 ---------- */
.metrics-band{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:18px;
  padding:28px;background:var(--c-bg-soft);border-radius:var(--r-lg);margin:28px 0}
.mb-item{text-align:center}
.mb-val{font-size:clamp(22px,2.6vw,31px);font-weight:800;color:var(--c-primary);line-height:1.15;letter-spacing:-.03em}
.mb-label{font-size:12.5px;color:var(--c-muted);margin-top:6px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-dark);color:#8ba3c7;padding:clamp(48px,6vw,76px) 0 0;margin-top:var(--sp)}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.09)}
.ft-logo{font-size:22px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:-.02em}
.ft-desc{font-size:13.5px;line-height:1.8;color:#8ba3c7;margin-bottom:22px;max-width:340px}
.ft-contact{display:flex;flex-direction:column;gap:10px}
.ft-contact>div{display:flex;gap:11px;font-size:13.5px;align-items:flex-start}
.ft-ic{font-size:10px;font-weight:800;color:var(--c-accent-2);letter-spacing:.06em;
  flex-shrink:0;width:42px;padding-top:3px}
.ft-col h4{font-size:14.5px;color:#fff;margin-bottom:20px;font-weight:600}
.ft-col ul{display:flex;flex-direction:column;gap:12px}
.ft-col ul a{font-size:13.5px;color:#8ba3c7;transition:all .2s}
.ft-col ul a:hover{color:#fff;padding-left:4px}
.ft-qr-tip{font-size:13px;line-height:1.75;margin-bottom:18px;color:#8ba3c7}
.ft-links{padding:24px 0;font-size:13px;border-bottom:1px solid rgba(255,255,255,.09);
  display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.ft-links-label{color:#6b83a8}
.ft-links a{color:#8ba3c7}
.ft-links a:hover{color:#fff}
.ft-bottom{padding:24px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px}
.ft-bottom-right{display:flex;gap:18px}
.ft-bottom a:hover{color:#fff}
.ft-admin{color:var(--c-accent-2)}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:13px;
  background:var(--c-primary);color:#fff;font-size:18px;display:grid;place-items:center;
  box-shadow:var(--sh-md);opacity:0;visibility:hidden;transform:translateY(12px);
  transition:all .3s;z-index:800;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{background:var(--c-primary-2);transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-card{max-width:520px}
  .article-wrap{grid-template-columns:1fr}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-box{flex:1;min-width:280px}
  .contact-grid{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:820px){
  :root{--hd:62px}
  .main-nav{
    position:fixed;top:var(--hd);left:0;right:0;background:#fff;flex-direction:column;
    align-items:stretch;padding:14px 16px 20px;gap:2px;border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-md);transform:translateY(-130%);transition:transform .32s cubic-bezier(.4,0,.2,1);
    max-height:calc(100vh - var(--hd));overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0)}
  .nav-link{padding:13px 14px;font-size:15px;border-radius:var(--r-sm)}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--c-primary-3)}
  /* 移动端：下拉改为内联展开 */
  .nav-item{width:100%}
  .nav-item>.nav-link{justify-content:space-between;width:100%}
  .nav-caret{margin-top:0}
  .nav-sub{
    position:static;transform:none;min-width:0;width:100%;box-shadow:none;
    border:none;border-left:2px solid var(--c-line);border-radius:0;
    padding:2px 0 2px 10px;margin:2px 0 6px 14px;
    opacity:1;visibility:hidden;display:none;
  }
  .nav-sub::before{display:none}
  .nav-item.open>.nav-sub{transform:none;visibility:visible;display:block}
  .ns-ic{width:28px;height:28px;font-size:11px;border-radius:8px}
  .ns-name{font-size:14px}
  /* 移动端：二级项已由 .nav-sub 统一缩进，取消额外偏移 */
  .nav-sub{padding-left:10px}
  .nav-sub-item.is-child{margin-left:0;padding-left:8px}
  .nav-sub-item.is-child::before{left:-10px}
  .nav-sub-item.is-child .ns-ic{width:26px;height:26px;font-size:10.5px}
  .nav-sub-item.is-child .ns-name{font-size:13px}
  .nav-toggle{display:flex}
  .hd-actions .btn{display:none}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:24px}
  .form-grid{grid-template-columns:1fr}
  .art-nav{grid-template-columns:1fr}
  .biz-grid,.case-grid,.news-grid,.prod-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .ft-grid{grid-template-columns:1fr;gap:30px}
  .ft-bottom{flex-direction:column;text-align:center;align-items:center}
  .ft-bottom-right{justify-content:center}
  .hero-cta{flex-direction:column}
  .hero-cta .btn{width:100%}
  .cta-band{text-align:center;justify-content:center}
  .cta-act{width:100%;justify-content:center}
  .back-top{right:16px;bottom:18px;width:42px;height:42px}
}

/* ---------- 动效（进入视口渐显） ---------- */
/* 关键：仅在「JS 可用」时才把内容设为透明。若 JS 被禁用 / 加载失败 /
   爬虫抓取，内容保持完全可见，绝不会出现空白页。 */
.reveal{opacity:1;transform:none}
.js .reveal{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.4,0,.2,1),transform .7s cubic-bezier(.4,0,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   科技感设计层 · 首页升级（v2）
   目标：大企业官网的视觉密度 + 科技感（网格 / 光晕 / 数据 / 流光）
   说明：本层追加在 main.css 末尾，靠级联覆盖前面同名的 .hero / .hc-* / .cta-* 旧样式
   ============================================================ */

/* ---------- 科技感变量扩展 ---------- */
:root{
  --t-cyan:#ff3b52;
  --t-cyan-soft:rgba(255,59,82,.14);
  --t-blue:#d0021b;
  --t-blue-soft:rgba(208,2,27,.14);
  --t-ink-900:#07080a;
  --t-ink-800:#07080a;
  --t-ink-700:#0e1014;
  --t-line-dark:rgba(255,255,255,.07);
  --t-line-dark-2:rgba(255,255,255,.045);
  --t-glow-cyan:0 0 0 1px rgba(208,2,27,.30),0 18px 48px -18px rgba(208,2,27,.42);
  --t-glow-blue:0 0 0 1px rgba(208,2,27,.30),0 18px 48px -18px rgba(208,2,27,.46);
  --t-mono:"SF Mono",SFMono-Regular,ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
}

/* ============================================================
   1. HERO 重做（覆盖旧 .hero）
   ============================================================ */
.hero{
  position:relative;isolation:isolate;
  padding:calc(var(--hd) + clamp(60px,8vw,116px)) 0 clamp(72px,9vw,128px);
  background:
    radial-gradient(1100px 560px at 16% -10%,rgba(208,2,27,.26) 0%,transparent 62%),
    radial-gradient(900px 520px at 92% 6%,rgba(255,59,82,.14) 0%,transparent 60%),
    linear-gradient(165deg,#07080a 0%,#12080a 42%,#3d0006 78%,#7a0011 100%);
  color:#fff;overflow:hidden;
}
/* 关闭旧伪元素，统一交给 .hero-bg 承担装饰 */
.hero::before,.hero::after{display:none}

/* --- Hero 背景装饰层 --- */
.hero-bg{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none}

/* 透视网格：越靠近底部越密（用两层渐变 + mask 营造纵深） */
.hb-grid{
  position:absolute;inset:-2px;
  background-image:
    linear-gradient(rgba(120,180,255,.085) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,255,.085) 1px,transparent 1px);
  background-size:64px 64px;
  transform:perspective(720px) rotateX(16deg) scale(1.16);
  transform-origin:50% 0;
  -webkit-mask-image:radial-gradient(120% 92% at 50% 4%,#000 0%,rgba(0,0,0,.55) 48%,transparent 88%);
  mask-image:radial-gradient(120% 92% at 50% 4%,#000 0%,rgba(0,0,0,.55) 48%,transparent 88%);
}
.hb-glow{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.hb-glow-1{
  width:min(58vw,660px);aspect-ratio:1;left:-14%;top:-26%;
  background:radial-gradient(circle,rgba(208,2,27,.72),transparent 66%);
  animation:hbFloat1 16s ease-in-out infinite;
}
.hb-glow-2{
  width:min(48vw,540px);aspect-ratio:1;right:-10%;top:12%;
  background:radial-gradient(circle,rgba(255,59,82,.58),transparent 66%);
  animation:hbFloat2 20s ease-in-out infinite;
}
@keyframes hbFloat1{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(38px,26px,0)}}
@keyframes hbFloat2{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(-32px,34px,0)}}

/* 斜向光束（扫描感） */
.hb-beam{
  position:absolute;top:-40%;left:0;width:100%;height:180%;
  background:linear-gradient(102deg,transparent 34%,rgba(255,59,82,.13) 46%,rgba(120,200,255,.10) 52%,transparent 64%);
  transform:translateX(-100%);
  animation:hbSweep 9s cubic-bezier(.5,0,.5,1) infinite;
}
@keyframes hbSweep{
  0%{transform:translateX(-100%);opacity:0}
  18%{opacity:.9}
  70%{opacity:.5}
  100%{transform:translateX(100%);opacity:0}
}

.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(34px,4.6vw,68px);align-items:center}

/* --- Hero 文字区 --- */
.hero-text{max-width:640px}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;padding:7px 16px 7px 13px;border-radius:100px;
  background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.14);
  font-size:13px;font-weight:500;color:#c8dbf7;margin-bottom:26px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.hero-badge i{
  width:7px;height:7px;border-radius:50%;background:var(--t-cyan);flex-shrink:0;
  box-shadow:0 0 0 0 rgba(255,59,82,.75);animation:pulse 2s infinite;
}
.hero h1{
  font-size:clamp(31px,4.5vw,58px);line-height:1.14;color:#fff;
  margin-bottom:24px;letter-spacing:-.032em;font-weight:800;
  text-wrap:balance;
}
.hero h1 .hl{
  position:relative;display:inline-block;
  background:linear-gradient(110deg,var(--t-cyan) 6%,#6ee7d8 42%,#8ab8ff 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
/* 高亮词底部发光下划线 */
.hero h1 .hl::after{
  content:'';position:absolute;left:0;right:0;bottom:.02em;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(255,59,82,.85),rgba(208,2,27,.35),transparent);
  filter:blur(.5px);
}
.hero-lead{
  font-size:clamp(15px,1.32vw,17px);color:#b7ccec;line-height:1.9;
  max-width:588px;margin-bottom:36px;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:46px;align-items:center}

/* Hero 底部统计 */
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding-top:34px;border-top:1px solid rgba(255,255,255,.11);
}
.hs-item{position:relative;padding-left:16px}
.hs-item::before{
  content:'';position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--t-cyan),rgba(208,2,27,.15));
}
.hs-num{
  font-family:var(--t-mono);font-size:clamp(23px,2.6vw,33px);font-weight:700;color:#fff;
  line-height:1.1;letter-spacing:-.03em;display:flex;align-items:baseline;
}
.hs-num sup{font-size:.48em;color:var(--t-cyan);margin-left:2px;font-weight:700}
.hs-label{font-size:12.5px;color:#8ea7cb;margin-top:7px;line-height:1.5}

/* --- 按钮增强 --- */
.btn-arrow{
  display:inline-block;transition:transform .28s cubic-bezier(.4,0,.2,1);
  font-weight:700;line-height:1;
}
.btn:hover .btn-arrow{transform:translateX(4px)}

/* 玻璃按钮（深色背景上使用） */
.btn-glass{
  background:rgba(255,255,255,.07);
  border-color:rgba(255,255,255,.20);
  color:#eaf3ff;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.btn-glass:hover{
  background:rgba(255,255,255,.13);border-color:rgba(255,59,82,.48);
  color:#fff;transform:translateY(-2px);
  box-shadow:0 12px 32px -12px rgba(255,59,82,.5),inset 0 1px 0 rgba(255,255,255,.14);
}

/* 主按钮：叠加流光扫过 */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(105deg,transparent 38%,rgba(255,255,255,.34) 50%,transparent 62%);
  transform:translateX(-120%);transition:transform .7s cubic-bezier(.4,0,.2,1);
}
.btn-primary:hover::after{transform:translateX(120%)}

/* --- 能力控制台 --- */
.hero-console{
  position:relative;
  background:linear-gradient(160deg,rgba(12,32,64,.82),rgba(6,18,38,.92));
  border:1px solid rgba(120,180,255,.20);
  border-radius:var(--r-xl);
  box-shadow:0 40px 90px -30px rgba(0,0,0,.72),0 0 0 1px rgba(255,255,255,.03) inset,
             0 0 70px -30px rgba(255,59,82,.34);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  overflow:hidden;
}
/* 控制台顶部高光线 */
.hero-console::before{
  content:'';position:absolute;top:0;left:8%;right:8%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,59,82,.85),rgba(208,2,27,.6),transparent);
}
/* 控制台底部氛围光 */
.hero-console::after{
  content:'';position:absolute;width:340px;height:340px;left:-90px;bottom:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(208,2,27,.30),transparent 68%);filter:blur(34px);
}

/* 控制台标题栏 */
.hc-bar{
  position:relative;z-index:2;display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-bottom:1px solid rgba(120,180,255,.14);
  background:rgba(255,255,255,.032);
}
.hc-dots{display:inline-flex;gap:6px;flex-shrink:0}
.hc-dots i{width:9px;height:9px;border-radius:50%;display:block;background:rgba(255,255,255,.20)}
.hc-dots i:nth-child(1){background:#ff5f57}
.hc-dots i:nth-child(2){background:#febc2e}
.hc-dots i:nth-child(3){background:#28c840}
.hc-bar-t{
  font-family:var(--t-mono);font-size:11.5px;letter-spacing:.06em;
  color:#7f9dc4;margin-left:2px;
}
.hc-live{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  font-family:var(--t-mono);font-size:10.5px;font-weight:700;letter-spacing:.12em;
  color:var(--t-cyan);padding:3px 9px;border-radius:100px;
  background:rgba(255,59,82,.10);border:1px solid rgba(208,2,27,.30);
}
.hc-live i{
  width:5px;height:5px;border-radius:50%;background:var(--t-cyan);display:block;
  animation:pulse 1.6s infinite;
}

/* 控制台主体 */
.hc-panel{position:relative;z-index:2;padding:clamp(16px,2vw,22px)}
.hc-panel-h{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px dashed rgba(120,180,255,.16);
  font-size:12.5px;font-weight:600;color:#a9c2e2;letter-spacing:.02em;
}
.hc-panel-n{
  font-family:var(--t-mono);font-size:10.5px;font-weight:700;letter-spacing:.10em;
  color:#6f8db4;
}

/* 模块列表 */
.hc-list{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.hc-item{
  display:flex;align-items:center;gap:12px;padding:11px 13px;border-radius:var(--r-md);
  background:rgba(255,255,255,.028);border:1px solid rgba(120,180,255,.10);
  transition:background .25s,border-color .25s,transform .25s;
  position:relative;overflow:hidden;
}
.hc-item::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:2px;
  background:linear-gradient(180deg,var(--t-cyan),var(--t-blue));
  transform:scaleY(0);transform-origin:top;transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.hc-item:hover{
  background:rgba(255,59,82,.065);border-color:rgba(208,2,27,.30);transform:translateX(4px);
}
.hc-item:hover::before{transform:scaleY(1)}
.hc-ic{
  width:36px;height:36px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  font-family:var(--t-mono);font-size:10px;font-weight:700;letter-spacing:.02em;
  color:#8fe6da;background:linear-gradient(140deg,rgba(255,59,82,.16),rgba(208,2,27,.16));
  border:1px solid rgba(120,180,255,.16);
}
.hc-body{display:flex;flex-direction:column;min-width:0;flex:1}
.hc-txt{font-size:13.5px;color:#e2ecfa;font-weight:600;line-height:1.4}
.hc-meta{
  font-size:11.5px;color:#7d95b8;margin-top:2px;line-height:1.4;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.hc-go{
  flex-shrink:0;color:#6b88ad;font-size:14px;font-weight:700;
  transition:transform .25s,color .25s;
}
.hc-item:hover .hc-go{transform:translateX(3px);color:var(--t-cyan)}

/* 控制台底部指标 */
.hc-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:rgba(120,180,255,.12);border:1px solid rgba(120,180,255,.12);
  border-radius:var(--r-md);overflow:hidden;
}
.hc-m{background:rgba(6,18,38,.72);padding:13px 10px;text-align:center}
.hc-m-v{
  font-family:var(--t-mono);font-size:17px;font-weight:700;color:#fff;
  line-height:1.15;display:flex;align-items:baseline;justify-content:center;gap:1px;
}
.hc-m-v small{font-size:10px;color:var(--t-cyan);font-weight:700}
.hc-m-l{font-size:10.5px;color:#7d95b8;margin-top:5px;letter-spacing:.02em}

/* Hero 底部滚动提示 */
.hero-scroll{
  position:absolute;left:50%;bottom:20px;transform:translateX(-50%);z-index:3;
  width:22px;height:34px;border:1.5px solid rgba(255,255,255,.22);border-radius:12px;
  display:grid;justify-items:center;padding-top:6px;
}
.hero-scroll span{
  width:3px;height:6px;border-radius:2px;background:var(--t-cyan);display:block;
  animation:scrollDot 1.9s ease-in-out infinite;
}
@keyframes scrollDot{
  0%{transform:translateY(0);opacity:0}
  30%{opacity:1}
  70%{transform:translateY(13px);opacity:1}
  100%{transform:translateY(13px);opacity:0}
}

/* ============================================================
   2. 信任背书 · 行业无缝滚动带
   ============================================================ */
.trust{
  position:relative;
  padding:26px 0;
  background:linear-gradient(180deg,#f7faff,#ffffff);
  border-bottom:1px solid var(--c-line);
  overflow:hidden;
}
.trust-t{
  text-align:center;font-size:13px;color:var(--c-muted);letter-spacing:.02em;
  margin-bottom:18px;
}
.trust-marquee{
  position:relative;overflow:hidden;
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
}
.trust-track{
  display:flex;align-items:center;gap:14px;width:max-content;
  animation:trustRun 34s linear infinite;
}
.trust-marquee:hover .trust-track{animation-play-state:paused}
@keyframes trustRun{from{transform:translateX(0)}to{transform:translateX(-50%)}}
.trust-item{
  flex-shrink:0;padding:9px 20px;border-radius:100px;
  font-size:13.5px;font-weight:600;color:#41546f;white-space:nowrap;
  background:#fff;border:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(11,58,143,.04);
  transition:color .25s,border-color .25s,transform .25s;
}
.trust-item:hover{color:var(--c-primary);border-color:rgba(208,2,27,.4);transform:translateY(-2px)}

/* ============================================================
   3. 能力中台
   ============================================================ */
.cap-sec{position:relative}
.cap-sec::before{
  content:'';position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(208,2,27,.22),transparent);
}
.cap-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.cap-card{
  position:relative;overflow:hidden;
  padding:26px 22px 24px;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--c-line);
  transition:transform .35s cubic-bezier(.4,0,.2,1),box-shadow .35s,border-color .35s;
}
/* 悬浮光晕跟随（用径向渐变在左上角） */
.cap-glow{
  position:absolute;inset:0;opacity:0;transition:opacity .4s;pointer-events:none;
  background:radial-gradient(420px 260px at 82% -18%,rgba(255,59,82,.16),transparent 68%);
}
.cap-card:hover{
  transform:translateY(-6px);
  border-color:rgba(208,2,27,.28);
  box-shadow:0 28px 60px -26px rgba(11,58,143,.34);
}
.cap-card:hover .cap-glow{opacity:1}
/* 顶部渐变条 */
.cap-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--t-blue),var(--t-cyan));
  transform:scaleX(0);transform-origin:left;
  transition:transform .45s cubic-bezier(.4,0,.2,1);
}
.cap-card:hover::before{transform:scaleX(1)}

.cap-head{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  margin-bottom:16px;
}
.cap-k{
  font-family:var(--t-mono);font-size:11px;font-weight:700;letter-spacing:.14em;
  color:var(--t-blue);padding:5px 11px;border-radius:6px;
  background:var(--t-blue-soft);border:1px solid rgba(208,2,27,.20);
}
.cap-idx{
  font-family:var(--t-mono);font-size:22px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.2px rgba(11,58,143,.20);
}
.cap-card h3{
  position:relative;z-index:2;font-size:17.5px;margin-bottom:10px;letter-spacing:-.01em;
}
.cap-card p{
  position:relative;z-index:2;font-size:13.5px;color:var(--c-muted);line-height:1.78;
  margin-bottom:18px;
}
.cap-pts{position:relative;z-index:2;display:flex;flex-direction:column;gap:8px}
.cap-pts li{
  position:relative;padding-left:20px;font-size:13px;color:#4b5b74;line-height:1.6;
}
.cap-pts li::before{
  content:'';position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--t-cyan),var(--t-blue));
  transform:rotate(45deg);
}

/* ============================================================
   4. 数据看板
   ============================================================ */
.dash-sec{
  background:
    radial-gradient(760px 420px at 88% 12%,rgba(208,2,27,.07),transparent 62%),
    var(--c-bg);
}
.dash-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,4.5vw,64px);
  align-items:center;
  padding:clamp(28px,4vw,52px);
  border-radius:var(--r-xl);
  background:linear-gradient(140deg,#f7faff 0%,#eef4fd 100%);
  border:1px solid var(--c-line);
  position:relative;overflow:hidden;
}
.dash-wrap::before{
  content:'';position:absolute;width:460px;height:460px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,59,82,.12),transparent 68%);
}
.dash-left{position:relative;z-index:2}
.dash-tag{background:#fff}
.dash-title{
  font-size:clamp(25px,3.1vw,37px);line-height:1.24;margin-bottom:16px;letter-spacing:-.025em;
}
.hl-2{
  background:linear-gradient(110deg,var(--c-primary-2),var(--t-cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.dash-desc{font-size:14.5px;color:var(--c-text);line-height:1.85;margin-bottom:22px;max-width:520px}
.dash-tags{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:28px}
.dash-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 13px;border-radius:100px;font-size:12.5px;font-weight:600;
  color:var(--c-primary);background:#fff;border:1px solid rgba(208,2,27,.22);
}
.dash-tags span::before{
  content:'';width:5px;height:5px;border-radius:50%;background:var(--t-cyan);flex-shrink:0;
}
/* 看板左区内的深底按钮适配 */
.dash-left .btn-glass{
  background:linear-gradient(135deg,var(--c-primary-2),var(--c-primary));
  border-color:transparent;color:#fff;
  box-shadow:0 8px 24px -10px rgba(22,87,201,.6);
}
.dash-left .btn-glass:hover{
  background:linear-gradient(135deg,#1a63dd,#0c3f9a);border-color:transparent;
}

/* 右侧指标面板 */
.dash-right{position:relative;z-index:2}
.dash-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:clamp(18px,2.2vw,24px);
  box-shadow:0 30px 70px -34px rgba(11,58,143,.34);
}
.dash-panel-h{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;margin-bottom:20px;border-bottom:1px solid var(--c-line);
}
.dash-panel-t{font-size:13.5px;font-weight:700;color:var(--c-ink);letter-spacing:.01em}
.dash-live{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--t-mono);font-size:10.5px;font-weight:700;letter-spacing:.10em;
  color:var(--c-accent);padding:3px 9px;border-radius:100px;
  background:rgba(208,2,27,.10);border:1px solid rgba(208,2,27,.26);
}
.dash-live i{
  width:5px;height:5px;border-radius:50%;background:var(--c-accent);display:block;
  animation:pulse 1.6s infinite;
}

.dash-row{position:relative;padding-bottom:16px;margin-bottom:16px}
.dash-row:last-child{padding-bottom:0;margin-bottom:0}
.dash-row-h{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:9px}
.dash-label{font-size:13px;color:#4b5b74;font-weight:500}
.dash-val{
  font-family:var(--t-mono);font-size:19px;font-weight:700;color:var(--c-ink);
  line-height:1;display:flex;align-items:baseline;gap:1px;letter-spacing:-.02em;
}
.dash-val small{font-size:11px;color:var(--c-accent);font-weight:700}
.dash-bar{
  height:5px;border-radius:100px;background:#e9eff8;overflow:hidden;position:relative;
}
.dash-bar-f{
  display:block;height:100%;width:0;border-radius:100px;
  background:linear-gradient(90deg,var(--t-blue),var(--t-cyan));
  transition:width 1.4s cubic-bezier(.22,.8,.24,1);
  position:relative;
}
/* 进度条末端亮点 */
.dash-bar-f::after{
  content:'';position:absolute;right:0;top:-2px;width:9px;height:9px;border-radius:50%;
  background:#fff;box-shadow:0 0 0 2px rgba(255,59,82,.55),0 0 12px 2px rgba(255,59,82,.6);
}
.dash-chip{
  position:absolute;right:0;top:2px;
  font-size:10.5px;font-weight:600;color:var(--c-muted);
  font-family:var(--t-mono);letter-spacing:.02em;
}

/* ============================================================
   5. 优势区块（深色）· 背景增强
   ============================================================ */
.adv-sec{position:relative;overflow:hidden}
.adv-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,180,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,180,255,.05) 1px,transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(120% 100% at 50% 0%,#000 0%,transparent 82%);
  mask-image:radial-gradient(120% 100% at 50% 0%,#000 0%,transparent 82%);
}
.adv-sec::after{
  content:'';position:absolute;width:620px;height:620px;right:-200px;bottom:-300px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,59,82,.16),transparent 68%);filter:blur(40px);pointer-events:none;
}
.adv-sec .container{position:relative;z-index:2}
.adv-item{
  position:relative;overflow:hidden;
  padding:30px 26px;border-radius:var(--r-lg);
  background:linear-gradient(155deg,rgba(255,255,255,.062),rgba(255,255,255,.032));
  border:1px solid rgba(255,255,255,.09);
  transition:transform .35s cubic-bezier(.4,0,.2,1),background .35s,border-color .35s,box-shadow .35s;
}
.adv-item::before{
  content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--t-cyan),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .45s cubic-bezier(.4,0,.2,1);
}
.adv-item:hover{
  transform:translateY(-6px);
  background:linear-gradient(155deg,rgba(255,255,255,.10),rgba(255,255,255,.05));
  border-color:rgba(255,59,82,.36);
  box-shadow:0 28px 60px -26px rgba(255,59,82,.34);
}
.adv-item:hover::before{transform:scaleX(1)}
.adv-num{
  font-family:var(--t-mono);font-size:12px;font-weight:800;color:var(--t-cyan);
  letter-spacing:.16em;margin-bottom:15px;display:inline-block;
}
.adv-item h4{font-size:16.5px;margin-bottom:10px;letter-spacing:-.005em}
.adv-item p{font-size:13.5px;color:#93aacb;line-height:1.78}

/* ============================================================
   6. 交付流程时间轴
   ============================================================ */
.flow{
  position:relative;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding-top:8px;
}
.flow-line{
  position:absolute;top:29px;left:calc(12.5% + 22px);right:calc(12.5% + 22px);height:2px;
  background:linear-gradient(90deg,rgba(208,2,27,.30),rgba(255,59,82,.45),rgba(208,2,27,.30));
  border-radius:2px;
}
.flow-item{position:relative;text-align:center;padding:0 8px}
.flow-dot{
  position:relative;z-index:2;width:58px;height:58px;margin:0 auto 20px;
  border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid rgba(208,2,27,.22);
  box-shadow:0 8px 22px -10px rgba(11,58,143,.30);
  transition:transform .35s cubic-bezier(.4,0,.2,1),border-color .35s,box-shadow .35s;
}
.flow-dot::before{
  content:'';position:absolute;inset:-2px;border-radius:50%;
  background:conic-gradient(from 180deg,var(--t-blue),var(--t-cyan),var(--t-blue));
  opacity:0;transition:opacity .35s;z-index:-1;filter:blur(6px);
}
.flow-dot span{
  font-family:var(--t-mono);font-size:15px;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(135deg,var(--c-primary-2),var(--c-accent));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.flow-item:hover .flow-dot{
  transform:translateY(-5px) scale(1.05);
  border-color:var(--c-accent);
  box-shadow:0 16px 34px -14px rgba(208,2,27,.46);
}
.flow-item:hover .flow-dot::before{opacity:.85}
.flow-body h4{font-size:16.5px;margin-bottom:9px}
.flow-body p{font-size:13.5px;color:var(--c-muted);line-height:1.78;margin-bottom:14px}
.flow-time{
  display:inline-block;padding:4px 12px;border-radius:100px;
  font-family:var(--t-mono);font-size:11px;font-weight:700;letter-spacing:.03em;
  color:var(--c-primary);background:var(--c-primary-3);
  border:1px solid rgba(208,2,27,.16);
}

/* ============================================================
   7. CTA 增强
   ============================================================ */
.cta-band{
  background:
    radial-gradient(760px 420px at 88% -30%,rgba(255,59,82,.34) 0%,transparent 62%),
    linear-gradient(135deg,#4a0009 0%,var(--c-primary) 46%,#7a0011 100%);
  border-radius:var(--r-xl);
  padding:clamp(40px,5vw,68px) clamp(28px,4vw,58px);
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  position:relative;overflow:hidden;color:#fff;
  box-shadow:0 40px 90px -40px rgba(11,58,143,.60);
}
.cta-band::before{display:none}
.cta-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(100% 120% at 100% 0%,#000 0%,transparent 74%);
  mask-image:radial-gradient(100% 120% at 100% 0%,#000 0%,transparent 74%);
}
.cta-txt{position:relative;z-index:2;flex:1;min-width:290px}
.cta-txt h2{
  color:#fff;font-size:clamp(22px,2.7vw,34px);margin-bottom:14px;
  letter-spacing:-.022em;line-height:1.28;
}
.cta-txt p{color:#c3d7f4;font-size:15px;line-height:1.8;max-width:600px}
.cta-pts{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-pts span{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:100px;font-size:12.5px;font-weight:600;color:#dbe9ff;
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.17);
}
.cta-pts span::before{
  content:'';width:5px;height:5px;border-radius:50%;background:var(--t-cyan);flex-shrink:0;
  box-shadow:0 0 8px 1px rgba(255,59,82,.7);
}
.cta-act{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ============================================================
   8. 科技感响应式
   ============================================================ */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:44px}
  .hero-console{max-width:560px;width:100%}
  .hero-text{max-width:none}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow-line{display:none}
  .dash-wrap{grid-template-columns:1fr;gap:34px}
  .dash-desc{max-width:none}
}
@media (max-width:820px){
  .hero{padding:calc(var(--hd) + 44px) 0 66px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .hs-item{padding-left:13px}
  .hero-scroll{display:none}
  .hb-beam{display:none}
  .cap-grid{grid-template-columns:1fr}
  .trust-item{padding:8px 16px;font-size:12.5px}
  .dash-wrap{padding:24px 20px}
  .dash-chip{position:static;right:auto;top:auto;display:inline-block;margin-top:7px}
  .dash-row{padding-bottom:15px;margin-bottom:15px}
  .flow{grid-template-columns:1fr;gap:24px}
  .flow-item{text-align:left;display:flex;gap:16px;align-items:flex-start;padding:0}
  .flow-dot{margin:0;flex-shrink:0;width:48px;height:48px}
  .flow-dot span{font-size:13px}
  .flow-body p{margin-bottom:10px}
  .cta-pts{margin-top:18px}
}
@media (max-width:560px){
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .hero h1{letter-spacing:-.02em}
  .hc-metrics{grid-template-columns:1fr;gap:1px}
  .hc-m{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;text-align:left}
  .hc-m-l{margin-top:0}
  .hero-stats{gap:18px}
  .hs-num{font-size:22px}
  .cta-band{text-align:center;justify-content:center;padding:34px 22px}
  .cta-act{width:100%;justify-content:center;flex-direction:column}
  .cta-act .btn{width:100%}
  .cta-pts{justify-content:center}
  .dash-tags{justify-content:flex-start}
  .dash-left .btn-glass{width:100%}
}

/* ============================================================
   9. 尊重「减少动态效果」偏好
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  .hb-glow,.hb-beam,.hero-scroll span,.trust-track,
  .hero-badge i,.hc-live i,.dash-live i{animation:none!important}
  .hb-beam{display:none}
  .dash-bar-f{transition:none}
}