/* ============ 弘桥设计令牌（科技感 + okki.com 蓝色美学） ============ */
:root{
  --hq-blue:#0B4DA2; --hq-blue-2:#1668C7; --hq-blue-3:#29C3F0;
  --hq-navy:#0B2A6B; --hq-navy-2:#071B45;
  --hq-bg:#F4F7FC; --hq-card:#FFFFFF; --hq-line:#E4EAF3;
  --hq-text:#16202E; --hq-text-2:#4A5C74; --hq-text-3:#8698AE;
  --hq-green:#22A06B; --hq-orange:#E8912D;
  --hq-radius:12px;
  --hq-shadow:0 4px 20px rgba(16,48,102,.08);
  --hq-shadow-lg:0 12px 40px rgba(11,42,107,.16);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font:14px/1.7 "PingFang SC","Microsoft YaHei",sans-serif;color:var(--hq-text);background:var(--hq-bg);-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}
button,input{font-family:inherit;font-size:14px;outline:none}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}
.sec{padding:30px 0}
.sec-alt{background:#fff}
h2.sec-t{font-size:34px;letter-spacing:-.5px;line-height:1.3;color:var(--hq-text)}
.sec-d{color:var(--hq-text-2);margin-top:10px;max-width:760px}
.small{font-size:12.5px}
.muted{color:var(--hq-text-3)}

/* ============ 按钮 / 标签 ============ */
.btn{display:inline-flex;align-items:center;gap:6px;border-radius:9px;padding:9px 20px;cursor:pointer;border:1px solid transparent;transition:.18s;font-weight:500}
.btn-primary{background:linear-gradient(135deg,var(--hq-blue),var(--hq-blue-2));color:#fff;box-shadow:0 6px 16px rgba(11,77,162,.28)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(11,77,162,.36)}
.btn-ghost{background:#fff;border-color:var(--hq-line);color:var(--hq-text-2)}
.btn-ghost:hover{border-color:var(--hq-blue-3);color:var(--hq-blue)}
.btn-lg{padding:13px 32px;font-size:15.5px;border-radius:10px}
.btn-outline{border:1px solid rgba(255,255,255,.45);color:#fff;border-radius:10px;padding:13px 30px;font-size:15.5px}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.tag{display:inline-block;padding:3px 12px;border-radius:20px;font-size:12px;background:#EAF2FE;color:var(--hq-blue)}
.tag-green{background:#E8F7F0;color:var(--hq-green)}

/* ============ 顶部导航 ============ */
.nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--hq-line);transition:box-shadow .2s}
.nav.scrolled{box-shadow:0 4px 18px rgba(11,42,107,.08)}
.nav-in{max-width:1280px;margin:0 auto;display:flex;align-items:center;gap:34px;padding:0 24px;height:68px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo img{height:30px;width:auto;display:block}
.logo .lv{width:1px;height:24px;background:var(--hq-line)}
.logo .lt{font-size:13px;color:var(--hq-text-3);letter-spacing:.4px;line-height:1.35}
.logo .lt b{display:block;font-size:12px;color:var(--hq-blue);font-weight:600;letter-spacing:1px}
.nav-links{display:flex;gap:30px;flex:1;font-size:14.5px;color:var(--hq-text-2)}
.nav-links a{position:relative;padding:6px 0;transition:color .15s}
.nav-links a:hover,.nav-links a.on{color:var(--hq-blue)}
.nav-links a.on::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--hq-blue),var(--hq-blue-3))}
.nav-right{display:flex;align-items:center;gap:14px}
/* 导航二级菜单 */
.nitem{position:relative;display:flex;align-items:center;height:68px}
.nitem>a{display:flex;align-items:center;gap:5px}
.nitem>a .car{width:9px;height:9px;stroke:currentColor;fill:none;stroke-width:2.6;stroke-linecap:round;stroke-linejoin:round;opacity:.55;transition:transform .22s,opacity .2s;margin-top:1px}
.nitem:hover>a{color:var(--hq-blue)}
.nitem:hover>a .car{transform:rotate(180deg);opacity:1}
.mega{position:absolute;top:100%;left:50%;transform:translate(-50%,8px);padding-top:12px;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .2s ease,transform .24s ease,visibility .2s;z-index:90}
.nitem:hover .mega,.nitem:focus-within .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0)}
.mega-in{position:relative;background:#fff;border:1px solid var(--hq-line);border-radius:16px;box-shadow:0 24px 54px rgba(7,27,69,.16);padding:12px;min-width:308px}
.mega-in::before{content:"";position:absolute;top:-6px;left:50%;margin-left:-6px;width:12px;height:12px;background:#fff;border-left:1px solid var(--hq-line);border-top:1px solid var(--hq-line);transform:rotate(45deg)}
.mega-t{font-size:10.5px;letter-spacing:1.6px;color:#93A6BE;padding:8px 12px 8px;text-transform:uppercase}
.mi{display:block;padding:9px 12px;border-radius:10px;transition:background .16s}
.mi:hover{background:#F1F7FF}
.mi b{display:block;font-size:13.8px;color:var(--hq-text);font-weight:600;line-height:1.5}
.mi span{display:block;font-size:11.8px;color:var(--hq-text-3);margin-top:2px;letter-spacing:.1px}
.mi:hover b{color:var(--hq-blue)}
.mega-2col .mega-in{display:grid;grid-template-columns:1fr 1fr;gap:1px 4px;min-width:446px}
.mega-2col .mega-t{grid-column:1/-1}
.mega-foot{grid-column:1/-1;margin-top:8px;padding:10px 12px 6px;border-top:1px solid var(--hq-line);font-size:11.5px;color:var(--hq-text-3);line-height:1.7}
.mega-foot b{color:var(--hq-text-2);font-weight:600}
.search{display:flex;align-items:center;border:1px solid var(--hq-line);border-radius:8px;padding:7px 12px;background:#F7FAFE;color:var(--hq-text-4,#8698AE);font-size:13px;width:170px;gap:8px;cursor:pointer}
.search:hover{border-color:var(--hq-blue-3);color:var(--hq-blue)}

/* ============ HERO 轮播 ============ */
.banner{position:relative;overflow:hidden;background:linear-gradient(180deg,#04102A,#071B45)}
.slides{position:relative;max-width:1600px;margin:0 auto;aspect-ratio:1080/489}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .85s ease}
.slide.on{opacity:1;z-index:2}
.slide img{width:100%;height:100%;object-fit:cover;object-position:center;transform:scale(1.02);transition:transform 7s linear;background:#071B45}
.slide.on img{transform:scale(1)}
.bnav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:46px;border-radius:50%;background:rgba(7,27,69,.38);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:26px;line-height:1;cursor:pointer;display:grid;place-items:center;opacity:0;transition:.25s;backdrop-filter:blur(6px);z-index:4;padding-bottom:3px}
.banner:hover .bnav{opacity:1}
.bnav:hover{background:rgba(41,195,240,.8);border-color:transparent}
.bnav.prev{left:26px}
.bnav.next{right:26px}
.bdots{position:absolute;bottom:20px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:4;opacity:.9}
.bdon{width:30px;height:4px;border-radius:3px;background:rgba(255,255,255,.34);cursor:pointer;transition:.3s}
.bdon.on{width:48px;background:linear-gradient(90deg,var(--hq-blue-3),#fff)}

/* ============ 核心价值 ============ */
.fcard{background:#fff;border:1px solid var(--hq-line);border-radius:16px;padding:30px;transition:.25s;position:relative;overflow:hidden}
.fcard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--hq-blue-3),var(--hq-blue));opacity:0;transition:.25s}
.fcard:hover{transform:translateY(-5px);box-shadow:var(--hq-shadow-lg);border-color:#C7DCF7}
.fcard:hover::before{opacity:1}
.fico{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#EAF2FE,#D6ECFB);display:grid;place-items:center;margin-bottom:16px;color:var(--hq-blue)}
.ico{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.fcard h4{font-size:17.5px;margin-bottom:8px}
.fcard p{color:var(--hq-text-2);font-size:13.5px}

/* ============ 四大核心价值 ============ */
.f4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.f4 .fcard{padding:26px 22px}
.f4 .fcard h4{font-size:16.5px}
.f4 .fcard p{font-size:13px;line-height:1.65}

/* ============ 产品中心 ============ */
.ptabs{display:flex;gap:12px;margin:22px 0 26px;flex-wrap:wrap}
.ptab{padding:10px 24px;border-radius:24px;border:1px solid var(--hq-line);background:#fff;cursor:pointer;transition:.2s;color:var(--hq-text-2)}
.ptab.on{background:linear-gradient(135deg,var(--hq-blue),var(--hq-blue-2));color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(11,77,162,.24)}
.pgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.pcard{border-radius:18px;overflow:hidden;background:#fff;border:1px solid var(--hq-line);transition:.25s;display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-5px);box-shadow:var(--hq-shadow-lg);border-color:#C7DCF7}
.pcard .thumb{height:132px;display:flex;align-items:center;justify-content:space-between;padding:0 30px;color:#fff;position:relative;overflow:hidden}
.pcard .thumb span{font-size:27px;font-weight:700;letter-spacing:3px;position:relative}
.pcard .thumb em{font-style:normal;font-size:12.5px;letter-spacing:2px;opacity:.72;position:relative}
.pcard .thumb::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 85% 10%,rgba(255,255,255,.24),transparent 58%)}
.t1{background:linear-gradient(120deg,#1668C7,#29C3F0)}
.t2{background:linear-gradient(120deg,#0B2A6B,#1668C7)}
.t3{background:linear-gradient(120deg,#0E3E96,#1B8FB8)}
.t4{background:linear-gradient(120deg,#123A87,#29C3F0)}
.pcard .bd{padding:24px 26px 26px;flex:1;display:flex;flex-direction:column}
.pcard h4{font-size:19px;margin-bottom:5px}
.pcard .pos{color:var(--hq-blue);font-size:13px;margin-bottom:10px}
.pcard p{color:var(--hq-text-2);font-size:13px}
.pcard ul{margin:14px 0 0;padding:0;color:var(--hq-text-2);font-size:12.5px}
.pcard ul li{padding:5px 0 5px 18px;position:relative}
.pcard ul li::before{content:"";position:absolute;left:0;top:13px;width:8px;height:8px;border-radius:2px;background:linear-gradient(135deg,var(--hq-blue-3),var(--hq-blue))}
.pcard .go{margin-top:auto;padding-top:18px;color:var(--hq-blue);font-size:13.5px;font-weight:500}

/* ============ 行业解决方案 ============ */
.sol-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol{background:#fff;border:1px solid var(--hq-line);border-radius:16px;overflow:hidden;position:relative;transition:.25s;display:flex;flex-direction:column}
.sol:hover{transform:translateY(-5px);box-shadow:var(--hq-shadow-lg);border-color:#C7DCF7}
.sol-thumb{position:relative;height:160px;overflow:hidden;background:#EDF3FB}
.sol-thumb img{width:100%;height:100%;object-fit:cover;object-position:center;transition:transform .55s ease}
.sol:hover .sol-thumb img{transform:scale(1.06)}
.sol-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,42,107,.14) 0%,rgba(11,42,107,0) 45%,rgba(255,255,255,.55) 100%)}
.sol-no{position:absolute;top:12px;left:14px;z-index:2;font-size:11.5px;font-weight:700;letter-spacing:1px;color:#fff;background:rgba(11,42,107,.66);border-radius:6px;padding:2px 8px;backdrop-filter:blur(4px)}
.sol-bd{padding:19px 22px 22px;flex:1;display:flex;flex-direction:column}
.sol-hd{display:flex;align-items:baseline;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.sol-hd h4{font-size:17.5px}
.sol-hd em{font-style:normal;font-size:10px;letter-spacing:1.1px;color:#8FA3BC;text-transform:uppercase}
.sol-chips{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:15px}
.sol-chips span{font-size:11.5px;padding:3px 10px;border-radius:5px;background:#F1F6FD;color:#2A5CA8;border:1px solid #E2EDFB}
.sol-hl{margin-top:auto;padding:10px 12px;border-left:2px solid var(--hq-blue-3);background:linear-gradient(90deg,#F5F9FF,rgba(245,249,255,0));font-size:12.5px;color:var(--hq-text-2);line-height:1.62;border-radius:0 6px 6px 0}

/* ============ 一体化底座 ============ */
.base-card{background:#fff;border:1px solid var(--hq-line);border-radius:18px;padding:40px 34px;text-align:center;box-shadow:var(--hq-shadow)}
.tags-row{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}
.tags-row .tag{padding:9px 20px;font-size:13.5px}
.base-pill{margin:26px auto;max-width:660px;padding:22px 30px;border-radius:60px;background:linear-gradient(135deg,#0B2A6B,#1668C7);color:#fff;box-shadow:0 14px 36px rgba(11,42,107,.3)}
.base-pill b{font-size:19px}
.base-pill p{font-size:12.5px;opacity:.85;margin-top:4px}

/* ============ 交付六步 ============ */
.flow{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.fstep{position:relative;background:#fff;border:1px solid var(--hq-line);border-radius:14px;padding:42px 26px 24px;transition:.25s}
.fstep:hover{transform:translateY(-4px);box-shadow:var(--hq-shadow-lg);border-color:#C7DCF7}
.fstep i{position:absolute;top:-14px;left:18px;width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--hq-blue),var(--hq-blue-3));color:#fff;display:grid;place-items:center;font-style:normal;font-weight:700;font-size:13.5px;box-shadow:0 6px 14px rgba(11,77,162,.28);border:3px solid var(--hq-bg)}
.fstep h5{font-size:16px;margin-bottom:6px;transition:color .2s}
.fstep:hover h5{color:var(--hq-blue)}
.fstep .wk{display:inline-block;font-size:11.5px;color:var(--hq-blue);background:#EAF2FE;border-radius:20px;padding:1px 10px;margin-bottom:10px}
.fstep p{font-size:12.5px;color:var(--hq-text-2);line-height:1.65}
.fstep .dl{margin-top:10px;padding-top:10px;border-top:1px dashed var(--hq-line);font-size:11.5px;color:var(--hq-text-3)}

/* ============ 资讯 ============ */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ncard{background:#fff;border:1px solid var(--hq-line);border-radius:14px;padding:26px;transition:.25s;display:flex;flex-direction:column}
.ncard:hover{transform:translateY(-4px);box-shadow:var(--hq-shadow-lg);border-color:#C7DCF7}
.ncard .tag{align-self:flex-start}
.ncard h4{font-size:16.5px;margin:12px 0 8px;line-height:1.5}
.ncard p{font-size:13px;color:var(--hq-text-2)}
.ncard .meta{font-size:12px;color:var(--hq-text-3);margin-top:auto;padding-top:14px}

/* ============ CTA ============ */
.cta{background:linear-gradient(120deg,var(--hq-navy-2),var(--hq-navy) 60%,#0E3E96);border-radius:24px;padding:54px;color:#fff;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;box-shadow:var(--hq-shadow-lg)}
.cta h3{font-size:28px;margin-bottom:12px}
.cta .lead{color:#B9CFEB;font-size:14px}
.cta .contact{margin-top:20px;color:#DCE9FB;font-size:13.5px;line-height:2}
.form-row{display:flex;gap:10px;margin-bottom:12px}
.form-row .inp{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;border-radius:8px;padding:10px 14px;width:100%;transition:.2s}
.form-row .inp::placeholder{color:rgba(255,255,255,.45)}
.form-row .inp:focus{border-color:var(--hq-blue-3);background:rgba(255,255,255,.12)}
.cta .btn{width:100%;justify-content:center}

/* ============ 页脚 ============ */
.foot{background:var(--hq-navy-2);color:#9DB6D8;padding:56px 0 26px}
.foot h5{color:#fff;font-size:14px;margin-bottom:14px}
.foot li{font-size:13px;margin:9px 0}
.foot li:hover{color:#CFE2FB}
.fgrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1.2fr;gap:30px}
.foot-b{margin-top:32px;padding-top:20px;font-size:12.5px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.foot .logo{margin-bottom:16px}
.foot .logo img{height:34px}

/* ============ 回到顶部 ============ */
#toTop{position:fixed;right:26px;bottom:30px;width:44px;height:44px;border-radius:50%;background:linear-gradient(135deg,var(--hq-blue),var(--hq-blue-2));color:#fff;border:0;cursor:pointer;font-size:18px;box-shadow:0 8px 20px rgba(11,77,162,.35);opacity:0;pointer-events:none;transition:.3s;z-index:99}
#toTop.show{opacity:1;pointer-events:auto}

/* ============ 动效 ============ */
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.reveal{opacity:1}
.js .reveal{opacity:0}
.js .reveal.in{animation:fadeUp .7s ease both}
.d1.in{animation-delay:.08s}.d2.in{animation-delay:.16s}.d3.in{animation-delay:.24s}.d4.in{animation-delay:.32s}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .bnav{width:38px;height:38px;font-size:22px}
  .f4,.sol-grid,.ngrid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .cta{grid-template-columns:1fr}
  .fgrid{grid-template-columns:1fr 1fr}
  .nav-links,.search{display:none}
  .logo .lt{display:none}
}
@media (max-width:640px){
  .bnav{display:none}
  .bdots{bottom:10px}
  .bdots .bdon{width:18px}.bdots .bdon.on{width:30px}
  .pgrid,.f4,.sol-grid,.ngrid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr;gap:16px}
  .sol-thumb{height:140px}
  .pcard .thumb{height:104px;padding:0 20px}
  .pcard .thumb span{font-size:20px;letter-spacing:1px}
  .pcard .thumb em{display:none}
  .sec{padding:40px 0}
  h2.sec-t{font-size:26px}
}

/* ============ 在线咨询组件（全站统一） ============ */
.chat-launcher{position:fixed;right:22px;bottom:22px;z-index:200;display:flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--hq-blue),var(--hq-blue-2));color:#fff;padding:12px 20px;border-radius:32px;box-shadow:0 10px 26px rgba(11,77,162,.4);cursor:pointer;transition:.2s;font-weight:500}
.chat-launcher:hover{transform:translateY(-2px)}
.chat-launcher.hide{opacity:0;pointer-events:none;transform:translateY(12px)}
.chat-panel{position:fixed;right:22px;bottom:22px;z-index:210;width:340px;max-width:calc(100vw - 32px);background:#fff;border:1px solid var(--hq-line);border-radius:16px;box-shadow:0 24px 60px rgba(7,27,69,.28);overflow:hidden;display:flex;flex-direction:column}
.chat-hd{display:flex;justify-content:space-between;align-items:center;background:linear-gradient(135deg,var(--hq-navy),var(--hq-blue));color:#fff;padding:14px 16px}
.chat-hd b{font-size:14.5px}
.chat-status{display:flex;align-items:center;gap:6px;font-size:11.5px;color:#BFD6F5;margin-top:3px}
.chat-status i{width:8px;height:8px;border-radius:50%;background:#3ADF8F;display:inline-block}
.chat-x{background:none;border:none;color:#fff;font-size:15px;cursor:pointer;opacity:.8}
.chat-x:hover{opacity:1}
.chat-msgs{height:280px;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px;background:#F6F9FE}
.cmsg{max-width:82%;padding:9px 12px;border-radius:12px;font-size:13px;line-height:1.7}
.cmsg.sys{background:#EDF2FA;color:#5A6B84;align-self:center;max-width:94%;text-align:center;font-size:12px}
.cmsg.me{background:linear-gradient(135deg,var(--hq-blue),var(--hq-blue-2));color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.cmsg.cs{background:#fff;border:1px solid var(--hq-line);color:var(--hq-text);align-self:flex-start;border-bottom-left-radius:4px}
.chat-quick{display:flex;gap:6px;flex-wrap:wrap;padding:8px 12px;border-top:1px solid var(--hq-line)}
.chat-quick span{font-size:11.5px;color:var(--hq-blue);background:#EAF2FE;border-radius:14px;padding:4px 10px;cursor:pointer}
.chat-quick span:hover{background:#DBEAFE}
.chat-ft{display:flex;gap:8px;padding:10px 12px;border-top:1px solid var(--hq-line)}
.chat-ft input{flex:1;border:1px solid var(--hq-line);border-radius:9px;padding:9px 12px;font-size:13px}
.chat-ft .btn{padding:8px 16px;border-radius:9px}
/* 表单成功提示（各页通用兜底） */
.form-ok{display:none;margin-top:12px;padding:12px 14px;border-radius:10px;background:#E8F7F0;color:var(--hq-green);font-size:13px;border:1px solid #CFEDDD}
.form-ok.show{display:block}
/* 标签补充 */
.tag-orange{background:#FDF3E7;color:var(--hq-orange)}
.tag-gray{background:#EFF3F9;color:var(--hq-text-2)}