:root{
  --navy:#0A1A2F; --navy-2:#0E2440; --navy-3:#06101E; --navy-card:#0C1F38;
  --blue:#1F4E8C; --blue-lt:#3E7BC0; --blue-soft:#EFF4FB;
  --accent:#EE6A10; --accent-2:#FF9A3D; --accent-h:#CF560A; --accent-deep:#C2500F;
  --ink:#0D1B2A; --muted:#5A6675; --line:#E1E7EF; --mist:#F3F6FA;
  --maxw:1600px; --r:4px;
  --f:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--f);font-size:16.5px;line-height:1.8;font-feature-settings:"tnum";-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer}
.wrap{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 clamp(30px,3vw,56px)}
.tnum{font-variant-numeric:tabular-nums;letter-spacing:.02em}
/* 顶栏 */
.topbar{background:var(--navy-3);color:#94A9C4;font-size:13px;border-bottom:1px solid rgba(255,255,255,.07)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:40px}
.topbar b{color:#fff;font-weight:600}
.topbar .tb-r{display:flex;gap:22px;white-space:nowrap}
.topbar a:hover{color:#fff}
/* 导航 */
.nav{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:30px;min-height:88px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand .mark{width:36px;height:36px;flex:0 0 36px}
.brand .wm{font-size:21px;font-weight:700;letter-spacing:.04em;line-height:1.15}
.brand .wm i{display:block;font-style:normal;font-size:11px;font-weight:400;color:var(--accent-deep);letter-spacing:.1em}
.menu{display:flex;align-items:center;margin-left:auto}
.menu a{padding:10px 13px;font-size:15.5px;color:#22303F;position:relative}
.menu a:hover{color:var(--blue)}
.menu a.on{color:var(--blue);font-weight:600}
.menu a.on::after{content:"";position:absolute;left:13px;right:13px;bottom:-3px;height:2px;background:var(--accent)}
.nav-cta{flex:0 0 auto;margin-left:6px}
.burger{display:none;margin-left:auto;width:46px;height:46px;border:1px solid var(--line);background:#fff;border-radius:var(--r)}
.burger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px auto}
.drawer{display:none;background:#fff;border-top:1px solid var(--line)}
.drawer.open{display:block}
.drawer a{display:block;padding:14px 32px;border-bottom:1px solid var(--line);font-size:15.5px}
.drawer a.tel{color:var(--accent);font-weight:600}
/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;padding:15px 28px;border-radius:var(--r);font-size:15.5px;font-weight:600;line-height:1;transition:.18s}
.btn-p{background:var(--accent);color:#fff}
.btn-p:hover{background:var(--accent-h)}
.btn-b{background:var(--blue);color:#fff}
.btn-b:hover{background:var(--navy-2)}
.btn-w{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-w:hover{border-color:var(--ink)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn-sm{padding:11px 18px;font-size:14px}
.btn-wide{width:100%}
/* ===== 首屏（全屏通栏） ===== */
.hero{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.slide{display:none;position:relative;min-height:max(calc(100vh - 214px),540px)}
.slide.on{display:flex;align-items:center}
.slide .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.slide .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,12,24,.76),rgba(4,12,24,.9)),radial-gradient(74% 62% at 50% 50%,rgba(4,12,24,.46),rgba(4,12,24,0) 72%)}
.slide.dark{background:var(--navy)}
.slide.dark::before{content:"";position:absolute;inset:0;background:radial-gradient(920px 540px at 80% 24%,rgba(62,123,192,.32),transparent 64%)}
.slide .wrap{position:relative;z-index:2;width:100%;padding-top:44px;padding-bottom:52px}
.slide .cols{max-width:980px;margin:0 auto;text-align:center}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:13.5px;color:#DCE7F6;border:1px solid rgba(255,255,255,.3);border-radius:100px;padding:7px 16px;letter-spacing:.02em}
.kicker i{width:7px;height:7px;border-radius:50%;background:var(--accent);display:block}
h1{margin:28px auto 0;font-size:clamp(34px,4.2vw,58px);line-height:1.14;letter-spacing:-.02em;font-weight:700;max-width:20em}
h1 em{font-style:normal;color:#7FB2E8}
.slide .lead{margin:24px auto 0;font-size:18px;line-height:1.85;color:#C6D6E8;max-width:44em}
.slide .act{display:flex;gap:14px;margin-top:38px;flex-wrap:wrap;justify-content:center}
.slide .tel{margin-top:22px;font-size:14.5px;color:#94A9C4}
.slide .tel b{color:#fff;font-size:18px}
.fade > *{animation:rise .7s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
/* 首屏内的说明卡与标签 */
.mini{max-width:780px;margin:32px auto 0;background:#fff;color:var(--ink);border-radius:var(--r);padding:22px 28px 14px;text-align:left;box-shadow:0 40px 90px -60px rgba(0,0,0,.85)}
.mini .qtop{font-size:13px;color:var(--muted);margin:0 0 8px}
.mini .q{font-size:18px;font-weight:700;line-height:1.6;margin:0 0 10px}
.mini .row{display:flex;gap:12px;border-top:1px solid var(--line);padding:10px 0;font-size:14.5px;color:#3C4A5C}
.mini .row i{flex:0 0 20px;font-style:normal;font-weight:700;color:var(--accent)}
.pills{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:36px}
.pills span{border:1px solid rgba(255,255,255,.42);border-radius:100px;padding:9px 22px;font-size:14.5px;color:#DCE7F6}
/* 首屏底部数据条 */
.caps{position:relative;z-index:3;background:rgba(3,10,20,.96);border-top:1px solid rgba(255,255,255,.16)}
.caps .wrap{display:grid;grid-template-columns:repeat(4,minmax(0,1fr)) auto;align-items:center;min-height:96px}
.caps .c{padding:0 26px;border-left:1px solid rgba(255,255,255,.14)}
.caps .c:first-child{padding-left:0;border-left:0}
.caps .c b{display:block;font-size:clamp(19px,1.6vw,25px);font-weight:700;letter-spacing:-.01em}
.caps .c b i{font-style:normal;font-size:14px;font-weight:500;color:#9FB6D4;margin-left:5px;letter-spacing:0}
.caps .c span{display:block;font-size:13px;color:#8CA3C0;margin-top:3px}
.heroctl{display:flex;align-items:center;gap:10px;padding-left:26px;border-left:1px solid rgba(255,255,255,.14)}
.heroctl .dot{width:24px;height:3px;border:0;background:rgba(255,255,255,.3);padding:0;border-radius:2px}
.heroctl .dot.on{background:var(--accent);width:38px}
.heroctl .cnt{font-size:13px;color:#8CA3C0;margin-left:6px}
.heroctl .arw{width:36px;height:36px;border:1px solid rgba(255,255,255,.34);background:transparent;color:#fff;border-radius:var(--r);margin-left:4px}
.heroctl .arw:hover{border-color:#fff;background:rgba(255,255,255,.1)}
/* ===== 分区 ===== */
section{padding:clamp(84px,6.8vw,148px) 0}
.band-mist{background:var(--mist);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-dark{background:var(--navy);color:#fff}
.band-dark h2,.band-dark h3{color:#fff}
.band-photo{position:relative}
.band-photo::before{content:"";position:absolute;inset:0;background:linear-gradient(rgba(6,14,26,.9),rgba(5,12,22,.96)),url('../images/band-industry.jpg') center/cover no-repeat}
.band-photo>.wrap{position:relative;z-index:2}
.shead{display:block;text-align:center;margin-bottom:clamp(44px,4.8vw,74px)}
.shead .rule{width:52px;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2));margin:0 auto 24px;border-radius:2px}
.shead h2{margin:0;font-size:clamp(30px,3.1vw,48px);font-weight:600;line-height:1.2;letter-spacing:-.02em}
.shead p{margin:16px auto 0;color:var(--muted);font-size:16px;max-width:64ch}
.band-dark .shead p{color:rgba(255,255,255,.7)}
.shead .more{display:inline-block;margin-top:20px;font-size:14.5px;color:var(--blue);border-bottom:1px solid rgba(31,78,140,.32);padding-bottom:2px}
.band-dark .shead .more{color:#8FBCEF;border-color:rgba(143,188,239,.4)}
/* 产品和服务 */
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.pgrid a{background:#fff;padding:42px 36px 38px;transition:.18s}
.pgrid a:hover{background:var(--blue-soft)}
.pgrid .ic{width:44px;height:44px;color:var(--blue)}
.pgrid h3{margin:22px 0 10px;font-size:21px;letter-spacing:-.01em}
.pgrid p{margin:0;font-size:15px;color:#4B5866}
.pgrid u{display:inline-block;margin-top:16px;font-size:13.5px;color:var(--blue);text-decoration:none;border-bottom:1px solid rgba(31,78,140,.32)}
/* 架构中心 */
.tpls{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tpl{border:1px solid var(--line);background:#fff;border-radius:var(--r);overflow:hidden;transition:.2s}
.tpl:hover{border-color:#B9C7DA;transform:translateY(-3px);box-shadow:0 26px 46px -34px rgba(13,27,42,.55)}
.tpl .thumb{height:184px;background:#EEF2F8;border-bottom:1px solid var(--line);padding:14px;display:grid;grid-template-rows:18px 1fr 40px;gap:8px}
.tpl .thumb .hd{background:var(--blue);border-radius:2px}
.tpl:nth-child(2n) .thumb .hd{background:#35679F}
.tpl .thumb .bd{background:#fff;border:1px solid var(--line);border-radius:2px;display:grid;grid-template-columns:1.3fr 1fr;gap:7px;padding:8px}
.tpl:nth-child(2n) .thumb .bd{grid-template-columns:1fr 1.3fr}
.tpl:nth-child(3n) .thumb .bd{grid-template-columns:1fr 1fr 1fr}
.tpl .thumb .bd i{background:#E3EAF4;border-radius:2px;display:block;min-height:22px}
.tpl .thumb .bd::before{content:"";grid-column:1/-1;height:8px;background:var(--blue-soft);border:1px solid #E1E9F4;border-radius:2px}
.tpl .thumb .bd::after{content:"";grid-column:1/-1;height:8px;width:62%;background:#EDF2F9;border-radius:2px}
.tpl .thumb .ft{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.tpl .thumb .ft i{background:#E7EEF8;border-radius:2px;display:block}
.tpl .meta{padding:16px 18px 18px}
.tpl .meta .no{font-size:12.5px;color:var(--muted);letter-spacing:.08em}
.tpl .meta b{display:block;font-size:16.5px;margin-top:4px;letter-spacing:-.01em}
.tpl .meta .act{display:flex;gap:10px;margin-top:14px}
.tpl .meta .act a{flex:1;text-align:center;font-size:13.5px;padding:9px 6px;border:1px solid var(--line);border-radius:var(--r);color:var(--blue)}
.tpl .meta .act a:hover{border-color:var(--blue)}
.tpl .meta .act a.k{background:var(--blue);border-color:var(--blue);color:#fff}
.tpl .meta .act a.k:hover{background:var(--navy-2)}
/* 行业场景（深色通栏） */
.sgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14)}
.sgrid a{background:rgba(8,20,38,.6);padding:30px 26px;transition:.18s}
.sgrid a:hover{background:rgba(20,45,80,.8)}
.sgrid b{display:block;font-size:17.5px;letter-spacing:-.01em}
.sgrid span{display:block;margin-top:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.62)}
/* 案例 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case{border:1px dashed #C6D2E2;border-radius:var(--r);background:#FBFCFE;padding:18px;text-align:center;color:var(--muted);font-size:14px}
.case .box{height:318px;background:#EFF3F9;border:1px solid var(--line);border-radius:2px;display:flex;align-items:center;justify-content:center;margin-bottom:14px}
.case .box svg{width:40px;height:40px;color:#B7C4D4}
.case b{display:block;color:#3C4A5C;font-size:15px;margin-bottom:4px;font-weight:600}
/* 新闻 */
.news{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:34px}
.news .col{border-top:2px solid var(--blue);padding-top:20px;min-width:0}
.news .col.soon{border-top-color:#CBD5E1}
.news .col h3{margin:0 0 6px;font-size:17.5px}
.news .col .tip{font-size:12.5px;color:var(--muted);margin-bottom:14px}
.news .it{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--line);font-size:15px}
.news .it:last-child{border-bottom:0}
.news .it time{flex:0 0 46px;color:var(--muted);font-size:12.5px;line-height:1.9}
.news .it a{flex:1 1 auto;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news .it a:hover{color:var(--blue)}
/* 留资条 */
.leadband{position:relative;background:var(--navy);color:#fff;padding:clamp(74px,6.4vw,118px) 0}
.leadband::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,14,26,.95),rgba(6,14,26,.84)),url('../images/band-consult.jpg') center/cover no-repeat}
.leadband .wrap{position:relative;z-index:2}
.leadband .grid{display:grid;grid-template-columns:1fr 470px;gap:64px;align-items:center}
.leadband h2{margin:0;font-size:clamp(26px,2.9vw,42px);line-height:1.2;letter-spacing:-.02em}
.leadband p{margin:20px 0 0;color:rgba(255,255,255,.72);font-size:16.5px;max-width:34em}
.leadband .tel{display:flex;gap:48px;margin-top:36px;flex-wrap:wrap}
.leadband .tel span{display:block;font-size:13px;color:#94A9C4;letter-spacing:.04em}
.leadband .tel b{font-size:26px;letter-spacing:-.01em}
.form{background:#fff;border-radius:var(--r);padding:30px;color:var(--ink)}
.form h3{margin:0 0 6px;font-size:19px}
.form .fh{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.field{display:flex;gap:12px;margin-bottom:12px}
.field input,.field select{width:100%;padding:14px 15px;border:1px solid #D6DEEA;border-radius:var(--r);font:inherit;font-size:16px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid #BBD0EA;outline-offset:1px;border-color:var(--blue)}
.form .note{font-size:12.5px;color:var(--muted);margin:12px 0 0;line-height:1.65}
/* 页脚 */
footer{background:var(--navy-3);color:#8FA5BF;font-size:14.5px;padding:66px 0 26px}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}
footer h4{margin:0 0 16px;color:#fff;font-size:15.5px}
footer a:hover{color:#fff}
footer .fl a{display:block;padding:6px 0}
footer .fabout .wm{display:flex;align-items:center;gap:11px;font-size:19px;font-weight:700;color:#fff}
footer .addr{margin-top:18px;line-height:2}
footer .bar{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:12.5px;color:#6E8299}
.mobar{display:none}
#toast{position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);background:var(--navy-3);color:#fff;border:1px solid rgba(255,255,255,.16);padding:14px 24px;border-radius:var(--r);font-size:14.5px;opacity:0;pointer-events:none;transition:.24s;z-index:90;max-width:88vw;text-align:center}
#toast.on{opacity:1;transform:translate(-50%,0)}
/* ===== 响应式 ===== */
@media (max-width:1180px){
  .topbar .hide-s{display:none}
  .menu a{padding:10px 9px;font-size:14.5px}
  .mini{margin-top:28px}
  .tpls{grid-template-columns:repeat(2,1fr)}
  .sgrid{grid-template-columns:repeat(2,1fr)}
  .pgrid{grid-template-columns:repeat(3,1fr)}
  .leadband .grid{grid-template-columns:1fr;gap:36px}
  footer .cols{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .menu,.nav-cta{display:none}
  .burger{display:block}
  .wrap{padding:0 22px}
  section{padding:64px 0}
  .shead{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px}
  .slide{min-height:auto}
  .slide .wrap{padding-top:72px;padding-bottom:56px}
  .slide .lead{font-size:16.5px}
  .slide .act .btn{width:100%}
  .caps{background:rgba(3,10,20,.96)}
  .caps .wrap{grid-template-columns:1fr 1fr;min-height:0;padding-top:18px;padding-bottom:18px}
  .caps .c{padding:14px 18px;border-left:1px solid rgba(255,255,255,.14)}
  .caps .c:nth-child(odd){padding-left:0;border-left:0}
  .heroctl{grid-column:1/-1;border-left:0;border-top:1px solid rgba(255,255,255,.14);padding:14px 0 0;margin-top:6px}
  .pgrid{grid-template-columns:1fr}
  .pgrid a{padding:32px 26px}
  .cases{grid-template-columns:1fr}
  .leadband{padding:64px 0}
  .field{flex-direction:column}
  footer .cols{grid-template-columns:1fr;gap:28px}
  .mobar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line)}
  .mobar a{flex:1;text-align:center;padding:15px 6px;font-size:15px;font-weight:600}
  .mobar a.call{color:var(--blue)}
  .mobar a.now{background:var(--accent);color:#fff}
  body{padding-bottom:54px}
  #toast{bottom:74px}
}
@media (max-width:620px){
  h1{font-size:clamp(28px,8vw,40px)}
  .tpls{grid-template-columns:1fr}
  .sgrid{grid-template-columns:1fr}
  .news{grid-template-columns:1fr}
  .caps .wrap{grid-template-columns:1fr}
  .caps .c{padding:12px 0;border-left:0;border-top:1px solid rgba(255,255,255,.12)}
  .caps .c:first-child{border-top:0}
  .mini{padding:22px 20px 14px}
}
.rv{opacity:0;transform:translateY(20px)}
.rv.in{opacity:1;transform:none;transition:opacity .8s cubic-bezier(.22,1,.36,1),transform .8s cubic-bezier(.22,1,.36,1)}
@media (min-width:1680px){
  body{font-size:17px}
  h1{font-size:58px}
  .shead h2{font-size:50px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}.rv{opacity:1;transform:none}}
:root{
  --navy:#08152A; --navy-2:#102340; --navy-3:#050D1A; --blue:#1F4E8C;
  --accent:#EE6A10; --accent-2:#FF9A3D; --accent-h:#CF560A; --accent-soft:rgba(238,106,16,.12); --accent-deep:#C2500F;
  --ink:#0D1B2A; --muted:#7A8A9E; --line:#E3EAF3; --mist:#F2F6FB;
  --maxw:1600px; --r:4px;
  --sh-s:0 8px 22px rgba(8,21,42,.06); --sh:0 22px 50px rgba(8,21,42,.14);
  --ease:cubic-bezier(.22,1,.36,1);
  --f:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
/* ---------- 顶栏 / 导航 ---------- */
.topbar{background:var(--navy-3);color:#93A9C6;font-size:13px;border-bottom:1px solid rgba(255,255,255,.07)}
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.brand .wm{font-size:22px;font-weight:700;letter-spacing:.04em;line-height:1.15}
.menu a{padding:10px 15px;font-size:16px;color:#22303F;position:relative;transition:color .25s}
.menu a::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .38s var(--ease)}
.menu a:hover::after,.menu a.on::after{transform:scaleX(1)}
.menu a:hover,.menu a.on{color:var(--accent)}
.menu a.on{font-weight:600}
/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;padding:17px 34px;border-radius:var(--r);font-size:16px;font-weight:600;line-height:1;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .25s,color .25s,border-color .25s}
.btn-p{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff;box-shadow:0 12px 28px rgba(238,106,16,.30)}
.btn-p:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(238,106,16,.36)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-line{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.04);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.16);transform:translateY(-2px)}
/* ---------- 栏目首屏（通栏大图 + 慢推近） ---------- */
.chead{position:relative;background:var(--navy);color:#fff;overflow:hidden}
.chead .wrap{position:relative;z-index:2;padding-top:clamp(74px,7.8vw,164px);padding-bottom:clamp(74px,7.8vw,164px);text-align:center}
.chead::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,13,26,.9),rgba(8,21,42,.78) 55%,rgba(5,13,26,.94)),url('../images/hero-device.jpg') center/cover no-repeat;background-attachment:scroll,fixed}
.chead.bg-device::before{background:linear-gradient(180deg,rgba(5,13,26,.9),rgba(8,21,42,.78) 55%,rgba(5,13,26,.94)),url('../images/hero-device.jpg') center/cover no-repeat;background-attachment:scroll,fixed}
.chead.bg-office::before{background:linear-gradient(180deg,rgba(5,13,26,.9),rgba(8,21,42,.78) 55%,rgba(5,13,26,.94)),url('../images/hero-office.jpg') center/cover no-repeat;background-attachment:scroll,fixed}
.chead.bg-band::before{background:linear-gradient(180deg,rgba(5,13,26,.9),rgba(8,21,42,.78) 55%,rgba(5,13,26,.94)),url('../images/band-industry.jpg') center/cover no-repeat;background-attachment:scroll,fixed}
.chead::after{content:"";position:absolute;left:0;right:0;bottom:0;height:130px;background:linear-gradient(180deg,transparent,rgba(5,13,26,.5));pointer-events:none}
.chead .bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:rgba(255,255,255,.16);z-index:4;overflow:hidden}
.chead .bar i{display:block;height:100%;width:28%;background:linear-gradient(90deg,var(--accent),var(--accent-2));animation:barMove 5.6s var(--ease) infinite}
@keyframes barMove{0%{transform:translateX(-110%)}to{transform:translateX(380%)}}
.crumb{display:flex;gap:10px;align-items:center;justify-content:center;font-size:13.5px;color:#8CA3C0;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb b{color:#fff;font-weight:600}
.chead h1{margin:28px auto 0;font-size:clamp(32px,4.4vw,64px);line-height:1.15;letter-spacing:-.02em;max-width:min(20em,860px);text-shadow:0 8px 34px rgba(0,0,0,.36)}
.chead.h1-fit h1{font-size:clamp(30px,4vw,54px)}
.chead h1 .nb{white-space:nowrap}
.chead .sub{margin:18px auto 0;font-size:19px;color:#C3D5E9;max-width:44em}
.chead .act{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:36px}
.chead .tel{margin-top:22px;font-size:14.5px;color:#93A9C6}
.chead .tel b{color:#fff;font-size:19px}
/* ---------- 分区：白底 / 浅灰 / 深色 交替 ---------- */
section{position:relative;padding:clamp(84px,6.8vw,150px) 0}
.band-mist{background:linear-gradient(180deg,#F7FAFD,#E9F0F8 62%,#F4F8FC);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.band-dark{background:radial-gradient(90% 70% at 12% 0%,rgba(227,122,36,.2),transparent 62%),linear-gradient(160deg,#08152A 0%,#102340 58%,#0A1A31 100%);color:#fff}
.band-dark.photo{background:linear-gradient(180deg,rgba(8,21,42,.93),rgba(8,21,42,.9)),url('../images/band-industry.jpg') center/cover fixed no-repeat,linear-gradient(160deg,#08152A,#102340)}
.band-dark.thin{padding:clamp(50px,4.2vw,76px) 0}
.band-dark .shead h2{color:#fff}
.band-dark .shead p{color:#A6BCD6}
.band-dark .sbody p{color:#C2D2E4}
.band-dark .sbody b{color:#fff}
.shead{display:block;text-align:center;margin-bottom:clamp(46px,4.8vw,76px)}
.shead .rule{width:56px;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2));margin:0 auto 26px;border-radius:2px}
.shead h2{margin:0;font-size:clamp(30px,3.2vw,50px);font-weight:600;line-height:1.2;letter-spacing:-.02em}
.shead p{margin:18px auto 0;color:var(--muted);font-size:16px;max-width:66ch}
.sbody{max-width:1080px;margin:0 auto}
.sbody p{margin:0 0 16px;font-size:16.5px;color:#3C4A5C}
.sbody p:last-child{margin-bottom:0}
.sbody b{color:var(--ink)}
/* ---------- 页签 ---------- */
.tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:48px}
.tabs a{padding:10px 22px;border:1px solid var(--line);border-radius:100px;font-size:15px;color:#3C4A5C;background:#fff;transition:transform .3s var(--ease),border-color .3s,color .3s}
.tabs a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.tabs a.on{background:linear-gradient(135deg,#16283F,var(--navy));color:#fff;border-color:transparent;box-shadow:0 10px 24px rgba(8,21,42,.22)}
/* ---------- 卡片墙（编号水印 + 悬停抬起 + 顶部扫线） ---------- */
.cap2,.cap3,.cap4{display:grid;gap:22px;counter-reset:cap}
.cap2{grid-template-columns:repeat(2,1fr)}
.cap3{grid-template-columns:repeat(3,1fr)}
.cap4{grid-template-columns:repeat(4,1fr)}
.cap2>div,.cap3>div,.cap4>div{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:44px 38px 38px;box-shadow:var(--sh-s);counter-increment:cap;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .4s}
.cap2>div::before,.cap3>div::before,.cap4>div::before{content:counter(cap,decimal-leading-zero);position:absolute;right:26px;top:16px;font-size:46px;font-weight:700;line-height:1;letter-spacing:-.03em;color:#EDF2F9;transition:color .4s}
.cap2>div::after,.cap3>div::after,.cap4>div::after{content:"";position:absolute;left:0;top:0;width:100%;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transform:scaleX(0);transform-origin:left;transition:transform .55s var(--ease)}
.cap2>div:hover,.cap3>div:hover,.cap4>div:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:#D5E1EF}
.cap2>div:hover::after,.cap3>div:hover::after,.cap4>div:hover::after{transform:scaleX(1)}
.cap2>div:hover::before,.cap3>div:hover::before,.cap4>div:hover::before{color:var(--accent-soft)}
.cap2 h3,.cap3 h3,.cap4 h3{margin:0 0 12px;font-size:19.5px;letter-spacing:-.01em;padding-right:56px}
.cap4 h3{font-size:17.5px}
.cap2 p,.cap3 p,.cap4 p{margin:0;font-size:16px;color:#4B5866}
.cap4 p{font-size:15px}
.band-dark .cap2>div,.band-dark .cap3>div,.band-dark .cap4>div{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.13);box-shadow:none}
.band-dark .cap2>div:hover,.band-dark .cap3>div:hover,.band-dark .cap4>div:hover{background:rgba(255,255,255,.1);border-color:rgba(227,122,36,.5)}
.band-dark .cap2 h3,.band-dark .cap3 h3,.band-dark .cap4 h3{color:#fff}
.band-dark .cap2 p,.band-dark .cap3 p,.band-dark .cap4 p{color:#A6BCD6}
.band-dark .cap2>div::before,.band-dark .cap3>div::before,.band-dark .cap4>div::before{color:rgba(255,255,255,.14)}
.band-dark .cap2>div:hover::before,.band-dark .cap3>div:hover::before,.band-dark .cap4>div:hover::before{color:rgba(227,122,36,.32)}
/* ---------- 两列对比 ---------- */
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:100%;margin:0 auto}
.cmp>div{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:44px 40px;box-shadow:var(--sh-s);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.cmp>div:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.cmp h3{margin:0 0 16px;font-size:19px;letter-spacing:-.01em}
.cmp ul{margin:0;padding:0;list-style:none}
.cmp li{position:relative;padding-left:22px;margin:13px 0;font-size:15.5px;color:#4B5866}
.cmp li::before{content:"";position:absolute;left:0;top:12px;width:10px;height:2px;background:var(--accent)}
.cmp .dark{background:radial-gradient(80% 70% at 90% 0%,rgba(227,122,36,.22),transparent 60%),linear-gradient(150deg,#08152A,#102340);color:#fff;border-color:transparent}
.cmp .dark h3{color:#fff}
.cmp .dark li{color:#C6D6E8}
.cmp .dark li::before{background:var(--accent-2)}
/* ---------- 要点卡（四条） ---------- */
.insight{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:100%;margin:0 auto}
.insight>div{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:38px 36px 34px 74px;box-shadow:var(--sh-s);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.insight>div:hover{transform:translateY(-4px);box-shadow:var(--sh)}
.insight>div::before{content:"¹3";position:absolute;left:26px;top:34px;width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:700;line-height:26px;text-align:center}
.insight b{display:block;font-size:19px;letter-spacing:-.01em;margin-bottom:10px}
.insight p{margin:0;font-size:15.5px;color:#4B5866}
.band-dark .insight>div{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.13);box-shadow:none}
.band-dark .insight b{color:#fff}
.band-dark .insight p{color:#A6BCD6}
.band-dark .insight>div::before{background:rgba(227,122,36,.18);color:#F0A461}
/* ---------- 功能点（两列卡片） ---------- */
.fpoints{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:100%;margin:0 auto}
.fpoints>div{position:relative;display:grid;grid-template-columns:max-content 1fr;gap:20px;align-items:baseline;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 32px;box-shadow:var(--sh-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .4s}
.fpoints>div:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#D5E1EF}
.fpoints b{font-size:17.5px;letter-spacing:-.01em;padding-left:16px;white-space:nowrap}
.fpoints b::before{content:"";position:absolute;left:32px;margin-top:9px;width:7px;height:7px;background:var(--accent);transform:rotate(45deg)}
.fpoints span{font-size:15.5px;color:#4B5866}
.band-dark .fpoints>div{background:rgba(255,255,255,.055);border-color:rgba(255,255,255,.13);box-shadow:none}
.band-dark .fpoints>div:hover{background:rgba(255,255,255,.1);border-color:rgba(227,122,36,.45)}
.band-dark .fpoints b{color:#fff}
.band-dark .fpoints span{color:#A6BCD6}
/* ---------- 数字成就条 ---------- */
.numstrip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;max-width:100%;margin:0 auto;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.14);border-radius:var(--r);overflow:hidden}
.numstrip>div{background:rgba(255,255,255,.045);padding:44px 26px;text-align:center;transition:background .4s}
.numstrip>div:hover{background:rgba(255,255,255,.1)}
.numstrip b{display:block;font-size:clamp(32px,3.4vw,56px);font-weight:700;line-height:1.1;letter-spacing:-.02em;color:#fff;font-variant-numeric:tabular-nums}
.numstrip span{display:block;margin-top:10px;font-size:14.5px;color:#A6BCD6}
/* ---------- 架构列表 ---------- */
.arch{display:grid;gap:14px;max-width:100%;margin:0 auto}
.arch .row{display:grid;grid-template-columns:64px minmax(200px,.9fr) auto auto;gap:26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 34px;box-shadow:var(--sh-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .4s}
.arch .row:hover{transform:translateY(-3px);box-shadow:var(--sh);border-color:#D5E1EF}
.arch .no{width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12.5px;letter-spacing:.06em;color:#fff;background:linear-gradient(140deg,#16283F,#08152A)}
.arch h3{margin:0 0 4px;font-size:18.5px;letter-spacing:-.01em}
.arch p{margin:0;font-size:14.5px;color:#4B5866}
.arch .mods{display:flex;flex-wrap:wrap;gap:6px;justify-content:flex-end;max-width:520px}
.arch .mods span{border:1px solid var(--line);border-radius:100px;padding:4px 11px;font-size:12.5px;color:#4B5866;background:var(--mist)}
.arch .act{display:flex;gap:10px;flex-wrap:wrap}
.archframe{margin-top:8px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--sh-s)}
.archframe iframe{display:block;width:100%;height:1600px;border:0}
.archbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 22px;border-bottom:1px solid var(--line);background:var(--mist);font-size:14.5px}
.archbar b{font-weight:600;color:var(--ink);letter-spacing:.01em}
.archbar a{color:var(--accent);white-space:nowrap}
.archbar a::after{content:" ↗"}
/* ---------- 服务项目 ---------- */
.plist{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:100%;margin:0 auto}
.plist>div{position:relative;display:grid;grid-template-columns:1fr auto;gap:6px 26px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px 34px;box-shadow:var(--sh-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .4s}
.plist>div:hover{transform:translateY(-4px);box-shadow:var(--sh);border-color:#D5E1EF}
.plist b{grid-column:1;grid-row:1;font-size:18.5px;letter-spacing:-.01em}
.plist p{grid-column:1;grid-row:2;margin:0;font-size:15px;color:#4B5866}
.plist a{grid-column:2;grid-row:1 / span 2;justify-self:end;align-self:center;font-size:14.5px;color:var(--accent);border-bottom:1px solid rgba(238,106,16,.42);padding-bottom:2px;white-space:nowrap}
/* ---------- 占位卡（案例 / 新闻待补） ---------- */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;max-width:100%;margin:0 auto}
.ph{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;box-shadow:var(--sh-s);transition:transform .45s var(--ease),box-shadow .45s var(--ease),border-color .4s}
.ph:hover{transform:translateY(-5px);box-shadow:var(--sh);border-color:#D5E1EF}
.ph .thumb{height:168px;border-radius:2px;border:1px dashed #C7D5E6;background:repeating-linear-gradient(135deg,#F5F8FC 0 12px,#EDF3FA 12px 24px);display:flex;align-items:center;justify-content:center;color:#8FA0B4;font-size:13.5px;letter-spacing:.06em}
.ph h3{margin:18px 0 6px;font-size:16.5px;letter-spacing:-.01em}
.ph p{margin:0;font-size:14px;color:var(--muted)}
.ph .meta{margin-top:14px;display:flex;justify-content:space-between;gap:10px;font-size:13px;color:#8FA0B4}
/* ---------- 新闻列表 ---------- */
.nlist{display:grid;gap:14px;max-width:100%;margin:0 auto}
.nlist a{display:grid;grid-template-columns:1fr auto;gap:6px 26px;align-items:baseline;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 34px;box-shadow:var(--sh-s);transition:transform .4s var(--ease),box-shadow .4s var(--ease),border-color .4s}
.nlist a:hover{transform:translateX(5px);box-shadow:var(--sh);border-color:#D5E1EF}
.nlist b{grid-column:1;grid-row:1;font-size:18px;letter-spacing:-.01em;transition:color .3s}
.nlist a:hover b{color:var(--accent)}
.nlist span{grid-column:2;grid-row:1;font-size:13.5px;color:#6D7C90;white-space:nowrap;background:var(--mist);border-radius:100px;padding:3px 12px}
.nlist p{grid-column:1;grid-row:2;margin:0;font-size:15px;color:#4B5866}
/* ---------- 分页 ---------- */
.pager{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:48px}
.pager a,.pager b{min-width:44px;padding:10px 13px;border:1px solid var(--line);border-radius:var(--r);font-size:14.5px;text-align:center;background:#fff;font-weight:400;transition:transform .3s var(--ease),border-color .3s,color .3s}
.pager a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.pager b{background:linear-gradient(135deg,#16283F,var(--navy));color:#fff;border-color:transparent}
/* ---------- 公司信息 ---------- */
.kv{max-width:100%;margin:0 auto;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--sh-s)}
.kv div{display:grid;grid-template-columns:240px 1fr;gap:26px;padding:24px 36px;border-bottom:1px solid var(--line);font-size:16px;transition:background .3s}
.kv div:last-child{border-bottom:0}
.kv div:hover{background:var(--mist)}
.kv b{color:var(--muted);font-weight:500;font-size:14.5px;letter-spacing:.02em;padding-top:3px}
.kv b::before{content:"";display:inline-block;width:6px;height:6px;background:var(--accent);margin-right:10px;vertical-align:middle;transform:rotate(45deg)}
/* ---------- 留资条（通栏大图） ---------- */
.leadband{position:relative;background:var(--navy);color:#fff;padding:clamp(80px,6.6vw,130px) 0;overflow:hidden}
.leadband::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(5,13,26,.95),rgba(5,13,26,.82) 58%,rgba(8,21,42,.9)),url('../images/band-consult.jpg') center/cover no-repeat;background-attachment:scroll,fixed}
.leadband::after{content:"";position:absolute;left:0;top:0;width:58%;height:100%;background:radial-gradient(closest-side,rgba(227,122,36,.2),transparent);pointer-events:none}
.leadband .grid{display:grid;grid-template-columns:1fr 500px;gap:76px;align-items:center}
.leadband h2{margin:0;font-size:clamp(28px,3vw,46px);line-height:1.2;letter-spacing:-.02em}
.leadband p{margin:20px 0 0;color:rgba(255,255,255,.74);font-size:16.5px;max-width:34em}
.leadband .tel span{display:block;font-size:13px;color:#93A9C6;letter-spacing:.04em}
.leadband .tel b{font-size:27px;letter-spacing:-.01em}
.form{position:relative;overflow:hidden;background:#fff;border-radius:var(--r);padding:32px;color:var(--ink);box-shadow:0 30px 70px rgba(0,0,0,.38)}
.form::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
/* ---------- 页脚 ---------- */
footer{position:relative;background:var(--navy-3);color:#8FA5BF;font-size:14.5px;padding:70px 0 26px}
footer::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:linear-gradient(90deg,var(--accent),var(--accent-2))}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:48px}
footer a{transition:color .25s}
/* ---------- 滚动进场 ---------- */
.rv{opacity:0;transform:translateY(22px)}
.rv.in{opacity:1;transform:none;transition:opacity .85s var(--ease),transform .85s var(--ease)}
@media (max-width:1180px){
  .menu a{padding:10px 9px;font-size:14.5px}
  .cap4{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:repeat(2,1fr)}
  .numstrip{grid-template-columns:repeat(2,1fr)}
  .arch .row{grid-template-columns:56px 1fr auto;gap:18px}
  .arch .mods{grid-column:2;justify-content:flex-start}
  .leadband .grid{grid-template-columns:1fr;gap:36px}
  footer .cols{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .topbar .hide-s{display:none}
  .menu,.nav-cta{display:none}
  .burger{display:block}
  .wrap{padding:0 22px}
  section{padding:64px 0}
  .chead .act .btn{width:100%}
  .chead .wrap{padding-top:46px;padding-bottom:50px}
  .chead h1{margin-top:18px}
  .chead .sub{margin-top:14px}
  .chead .act{margin-top:24px}
  .chead .tel{margin-top:16px}
  .cap2,.cap3,.fpoints,.plist,.cmp,.insight,.grid3{grid-template-columns:1fr}
  .fpoints>div{grid-template-columns:1fr;gap:6px}
  .fpoints b{white-space:normal}
  .fpoints b::before{left:32px;margin-top:8px}
  .band-dark.photo{background:linear-gradient(180deg,rgba(8,21,42,.93),rgba(8,21,42,.9)),url('../images/band-industry.jpg') center/cover no-repeat,linear-gradient(160deg,#08152A,#102340)}
  .chead::before,.leadband::before{background-attachment:scroll}
  .archframe iframe{height:2600px}
  .arch .row{grid-template-columns:1fr;gap:12px;padding:22px 24px}
  .arch .mods{grid-column:1}
  .kv div{grid-template-columns:1fr;gap:4px;padding:20px 24px}
  .nlist a,.plist>div{grid-template-columns:1fr;padding:24px}
  .nlist a{gap:6px}
  .nlist b,.nlist p,.nlist span{grid-column:1;grid-row:auto}
  .nlist span{justify-self:start;margin-top:4px}
  .plist a{grid-column:1;grid-row:3;justify-self:start;margin-top:6px}
  .leadband{padding:58px 0}
  .field{flex-direction:column}
  footer .cols{grid-template-columns:1fr;gap:28px}
  .mobar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line)}
  .mobar a{flex:1;text-align:center;padding:15px 6px;font-size:15px;font-weight:600}
  .mobar a.call{color:var(--accent)}
  .mobar a.now{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff}
  body{padding-bottom:54px}
  #toast{bottom:74px}
}
@media (max-width:620px){.cap4{grid-template-columns:1fr}}
@media (min-width:1680px){
  body{font-size:17px}
  .chead h1{font-size:66px}
  .shead h2{font-size:52px}
  .numstrip b{font-size:58px}
  .leadband h2{font-size:46px}
}
.archframe iframe{display:block;width:100%;height:1000px;border:0}
@media (max-width:900px){
  .topbar .hide-s{display:none}
  .menu,.nav-cta{display:none}
  .burger{display:block}
  .wrap{padding:0 22px}
  section{padding:64px 0}
  .chead .act .btn{width:100%}
  .chead .wrap{padding-top:46px;padding-bottom:50px}
  .chead h1{margin-top:18px}
  .chead .sub{margin-top:14px}
  .chead .act{margin-top:24px}
  .chead .tel{margin-top:16px}
  .cap2,.cap3,.fpoints,.plist,.cmp,.insight,.grid3{grid-template-columns:1fr}
  .fpoints>div{grid-template-columns:1fr;gap:6px}
  .fpoints b{white-space:normal}
  .fpoints b::before{left:32px;margin-top:8px}
  .band-dark.photo{background:linear-gradient(180deg,rgba(8,21,42,.93),rgba(8,21,42,.9)),url('../images/band-industry.jpg') center/cover no-repeat,linear-gradient(160deg,#08152A,#102340)}
  .chead::before,.leadband::before{background-attachment:scroll}
  .archframe iframe{height:3050px}
  .arch .row{grid-template-columns:1fr;gap:12px;padding:22px 24px}
  .arch .mods{grid-column:1}
  .kv div{grid-template-columns:1fr;gap:4px;padding:20px 24px}
  .nlist a,.plist>div{grid-template-columns:1fr;padding:24px}
  .nlist a{gap:6px}
  .nlist b,.nlist p,.nlist span{grid-column:1;grid-row:auto}
  .nlist span{justify-self:start;margin-top:4px}
  .plist a{grid-column:1;grid-row:3;justify-self:start;margin-top:6px}
  .leadband{padding:58px 0}
  .field{flex-direction:column}
  footer .cols{grid-template-columns:1fr;gap:28px}
  .mobar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:#fff;border-top:1px solid var(--line)}
  .mobar a{flex:1;text-align:center;padding:15px 6px;font-size:15px;font-weight:600}
  .mobar a.call{color:var(--accent)}
  .mobar a.now{background:linear-gradient(135deg,var(--accent-2),var(--accent));color:#fff}
  body{padding-bottom:54px}
  #toast{bottom:74px}
}

/* ================= 福星CMS 后台对接补充样式 ================= */
a.ph,a.ph:hover{display:block;color:inherit;text-decoration:none}
a.ph .thumb img,.case .box img{width:100%;height:100%;object-fit:cover;object-position:center 20%;display:block}
a.ph .thumb{overflow:hidden;display:flex;align-items:center;justify-content:center}
.form textarea{width:100%;padding:12px 14px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);
  color:inherit;border-radius:8px;font:inherit;line-height:1.7;resize:vertical;font-size:16px}
.field.code{display:flex;gap:12px;align-items:center}
.field.code input{flex:1 1 auto}
.field.code img{height:46px;width:auto;border-radius:6px;background:#fff;cursor:pointer}
.pager .pg-now{padding:0 12px;opacity:.6;font-size:14px}
.pager a[rel=nofollow]{opacity:.85}
.emptyhint{padding:34px 0;text-align:center;color:var(--muted);font-size:15px}
.nlist>a .meta{font-size:13px;color:var(--muted)}
article.doc{max-width:1000px;font-size:16.5px;line-height:2;color:#26313F}
article.doc>*+*{margin-top:18px}
article.doc h2{font-size:25px;line-height:1.45;margin-top:34px}
article.doc h3{font-size:20px;line-height:1.5;margin-top:26px}
article.doc img{max-width:100%;height:auto;border-radius:6px}
article.doc table{width:100%;border-collapse:collapse;table-layout:fixed}
article.doc td,article.doc th{border:1px solid #DCE3EC;padding:10px 12px;word-break:break-word}
article.doc blockquote{border-left:3px solid var(--o1);padding:6px 0 6px 16px;color:var(--muted)}
.dochead h1{font-size:34px;line-height:1.4;margin:0 0 14px}
.dochead .meta{display:flex;flex-wrap:wrap;gap:20px;color:var(--muted);font-size:14px}
.docwrap{max-width:920px;margin:0 auto}
.pagerow{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:38px;padding-top:22px;
  border-top:1px solid var(--line);font-size:15px}
.pagerow a{color:var(--i1)}
.srch .field{display:flex;gap:12px;max-width:620px}
.srch input{flex:1}
.srchresult{margin-top:34px}
.srchresult>a{display:block;padding:18px 0;border-bottom:1px solid var(--line);color:inherit;text-decoration:none}
.srchresult>a b{display:block;font-size:17px;margin-bottom:6px}
.srchresult>a span{color:var(--muted);font-size:14px}
.tabs a.on{cursor:default}
.kvgrid a{color:inherit}
/* 空数据状态：列表容器渲染为空时给出的引导文案 */
.cases:empty::after,.grid3:empty::after,.nlist:empty::after,.plist:empty::after{content:"内容整理中，可致电了解";
  display:block;grid-column:1/-1;padding:46px 0;text-align:center;color:var(--muted);font-size:15px}

/* ---- 架构中心：全屏清单（框内可滚动，底部翻页可达） ---- */
.archfull{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.archfull .archbar{padding:13px 0;background:var(--mist);border-bottom:1px solid var(--line)}
.archfull .archbar .wrap{display:flex;align-items:center;gap:18px}
.archfull .archbar b{font-weight:600;color:var(--ink);letter-spacing:.01em}
.archfull .archbar .archtip{font-size:13.5px;color:var(--muted)}
.archfull .archbar a{margin-left:auto;color:var(--accent);white-space:nowrap}
.archfull .archbar a::after{content:" ↗"}
.archfull iframe{display:block;width:100%;height:calc(100vh - 118px);min-height:820px;border:0;background:#fff}
@media (max-width:900px){
  .archfull .archbar{padding:11px 0}
  .archfull .archbar .archtip{display:none}
  .archfull iframe{height:calc(100vh - 96px);min-height:620px}
}

/* ---- 首页架构模板卡：真实模板预览图 ---- */
.tpl .thumb{height:auto;aspect-ratio:700/566;background:#F7F9FC;padding:0;display:block;overflow:hidden}
.tpl .thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s var(--ease)}
.tpl:hover .thumb img{transform:scale(1.04)}
.tpl .meta b{font-size:16px;line-height:1.35}
.case .box{background:#F7F9FC;overflow:hidden;aspect-ratio:1/1;height:auto;display:block}
.case .box img{object-fit:contain;transition:transform .5s var(--ease)}
.case:hover .box img{transform:scale(1.04)}
.cases:empty::after{content:"案例整理中，可致电了解相关行业做法"}

/* 主导航固定 9 项：在线留言只在页脚/按钮出现 */
.menu a[href="/contact/"],.drawer a[href="/contact/"]{display:none}

/* 架构中心：模板库嵌入（固定高度，一页 15 条） */
#fn{background:#F5F5F5}
#fn{padding-bottom:34px}
#fn .shead{margin-bottom:34px}
.archfull{padding:0;border:0;background:#F5F5F5;overflow:hidden}
.archfull iframe{display:block;width:100%;height:1800px;border:0;margin:0;background:#F5F5F5}

/* 顶栏：窄屏换简短文案，不折行 */
.topbar .tb-l{white-space:nowrap}
.topbar .tb3{display:none}
@media (max-width:900px){
  .topbar .tb1,.topbar .tb-sep,.topbar .tb2{display:none}
  .topbar .tb3{display:inline}
}
@media (max-width:620px){
  .topbar{font-size:12.5px}
  .topbar .wrap{gap:12px;padding:0 16px}
  .topbar .tb-r{gap:12px}
}

/* 案例/资讯详情：正文区收窄 + 行内咨询卡 + 页脚返回 */
.doccta{display:flex;flex-wrap:wrap;gap:22px;align-items:center;justify-content:space-between;margin-top:36px;padding:24px 26px;background:var(--mist);border:1px solid var(--line);border-radius:var(--r)}
.doccta b{display:block;font-size:17px;color:var(--ink);margin-bottom:6px}
.doccta p{font-size:14.5px;line-height:1.75;color:var(--muted);max-width:52em;margin:0}
.doccta .r{text-align:right;white-space:nowrap}
.doccta .r span{display:block;font-size:13px;color:var(--muted);margin-bottom:2px}
.doccta .r b{font-size:22px;color:var(--accent);margin:0}
.docfoot{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;font-size:15px}
.docfoot .back{color:var(--i1)}
.docfoot .upd{font-size:14px;color:var(--muted)}
.crumb b{max-width:min(24em,680px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}