/* =========================================================
   light.css — 子页面浅色（白色）主题覆盖
   仅子页面引入；首页保持深色蓝调
   ========================================================= */

:root{
  --bg:#f4f7fb;
  --bg-2:#ecf1f8;
  --glass:#ffffff;
  --glass-2:#f2f5fa;
  --stroke:rgba(13,42,84,.10);
  --stroke-2:rgba(13,42,84,.22);
  --txt:#0e1f38;
  --txt-2:#3d4d63;
  --txt-3:#6e7f95;
  --shadow:0 24px 60px -30px rgba(20,45,90,.16);
}

body{
  background:
    radial-gradient(120% 60% at 70% 0%,rgba(30,107,255,.05),transparent 55%),
    radial-gradient(80% 50% at 10% 30%,rgba(34,211,238,.04),transparent 60%),
    var(--bg);
  color:var(--txt-2);
}

/* ---------- 导航 ---------- */
.nav.is-solid{background:rgba(255,255,255,.9);box-shadow:0 1px 0 var(--stroke),0 16px 40px -30px rgba(20,45,90,.35)}
.nav__links a.is-active{color:#0b5cd6;background:rgba(15,86,232,.10)}
.nav__toggle{background:#fff;border-color:var(--stroke)}
.nav__toggle span{background:var(--txt)}
@media (max-width:1024px){
  .nav__links{
    background:#fff;
    border-left:1px solid var(--stroke);
    box-shadow:-20px 0 60px -30px rgba(20,45,90,.45);
  }
  .nav__links a{border-bottom:1px solid var(--stroke)}
}

/* ---------- 区块底色 ---------- */
.section--glass{background:linear-gradient(180deg,#ffffff,#f7fafd)}
.section--deep{background:linear-gradient(180deg,#edf2f9,#f6f9fc)}
.eyebrow{color:#0b5cd6}

/* ---------- 卡片基类：白卡 + 浅阴影 ---------- */
.glow-card,.card3d,.step,.honor,.adv__item,.info,.form,.areas li,.scenes,.ai-highlights__item,.case-lg{
  background:#ffffff;
}
.glow-card{box-shadow:0 18px 44px -34px rgba(20,45,90,.4)}
.glow-card:hover{box-shadow:0 26px 60px -34px rgba(20,45,90,.5),0 0 44px -20px rgba(15,86,232,.25)}
.card3d{box-shadow:0 20px 48px -34px rgba(20,45,90,.4)}
.card3d:hover{box-shadow:0 36px 76px -40px rgba(20,45,90,.5),0 0 50px -22px rgba(15,86,232,.3)}
.card3d::before{opacity:.9}
.card3d__glare{background:radial-gradient(320px circle at var(--mx,50%) var(--my,50%),rgba(15,110,232,.08),transparent 62%)}
.card3d__ico,.info__ico,.honor__badge{color:#fff}
.card3d__link{color:#0b5cd6}
.step{box-shadow:0 16px 40px -32px rgba(20,45,90,.4)}
.step:hover{box-shadow:0 26px 60px -36px rgba(20,45,90,.45),0 0 40px -20px rgba(15,86,232,.3)}
.mile::before{background:#fff}

/* 强调色在浅底上的可读性 */
.mile span,.adv__n{color:#0b7fd6}
.info .hint{color:#b45309}
.form__ok{background:rgba(22,150,105,.08);border-color:rgba(22,150,105,.35);color:#0e7a52}
.form__ok a{color:#0b5cd6}

/* ---------- 场景 / 标签 ---------- */
.scenes{border-color:var(--stroke-2)}
.scenes__list li{background:var(--glass-2)}
.scenes__list li:hover{color:#0b5cd6}

/* ---------- AI 板块 ---------- */
.ai-band{
  background:linear-gradient(100deg,rgba(15,86,232,.08),rgba(34,211,238,.10) 60%,rgba(34,211,238,.05));
  border-color:rgba(15,86,232,.28);
}
.ai-band__txt h3{color:var(--txt)}
.ai-band__txt p{color:var(--txt-2)}

/* ---------- 表单 ---------- */
.form{border-color:var(--stroke)}
.field input,.field select,.field textarea{background:var(--glass-2);color:var(--txt)}
.field input::placeholder,.field textarea::placeholder{color:#93a3b8}
.field select option{background:#fff;color:var(--txt)}

/* ---------- 项目案例 ---------- */
.case-lg{border-color:var(--stroke);box-shadow:0 18px 44px -34px rgba(20,45,90,.4)}
.case-lg__media{background:#e6ecf5;border-bottom:1px solid var(--stroke)}
.case-lg__body h3{color:var(--txt)}
.case-lg__tags span{color:#33465e;background:#eef2f8;border-color:var(--stroke)}
.case-lg__desc{color:var(--txt-2)}
.case-lg__sec dt{color:#d0342c}
.case-lg__sec dd{color:var(--txt-3)}

/* ---------- 按钮 ---------- */
.btn--line{background:#fff;color:var(--txt);border-color:var(--stroke-2)}
.btn--line:hover{border-color:#0b5cd6;color:#0b5cd6}
.btn--ghost{background:#fff;color:var(--txt)}

/* ---------- 页脚 ---------- */
.footer{background:linear-gradient(180deg,#f1f4f9,#e8edf5);border-top:1px solid var(--stroke)}
.footer__bottom{color:var(--txt-3)}
.footer__col a:hover{color:#0b5cd6}

/* ---------- 移动端快捷条 & 返回顶部 ---------- */
.mobile-bar{background:rgba(255,255,255,.94);border-top-color:var(--stroke)}
.mobile-bar__call{background:#fff;color:var(--txt);border-color:var(--stroke)}
.to-top{background:#fff;color:#0b5cd6;border-color:var(--stroke)}
.to-top:hover{background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));color:#fff}

/* ---------- 新闻中心 ---------- */
.tabbar{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:-16px 0 44px}
.tab{
  padding:9px 22px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--txt-2);background:#fff;border:1px solid var(--stroke-2);
  cursor:pointer;font-family:inherit;transition:color .22s,background .22s,border-color .22s,box-shadow .22s;
}
.tab:hover{color:#0b5cd6;border-color:#0b5cd6}
.tab.is-on{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg,var(--blue-600),var(--cyan-400));
  box-shadow:0 10px 24px -14px rgba(15,86,232,.85);
}
.news-feature{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  background:#fff;border:1px solid var(--stroke);border-radius:20px;overflow:hidden;
  box-shadow:0 18px 44px -34px rgba(20,45,90,.4);
}
.news-feature__media{background:#e6ecf5}
.news-feature__media img{width:100%;height:100%;min-height:280px;object-fit:cover;display:block}
.news-feature__body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center}
.news-feature__tag{
  display:inline-block;align-self:flex-start;font-size:12px;font-weight:700;color:#0b5cd6;
  background:rgba(15,86,232,.08);border:1px solid rgba(15,86,232,.22);
  padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.news-feature__body h3{font-size:22px;line-height:1.5;margin-bottom:14px}
.news-feature__body p{font-size:14.5px;line-height:1.85;color:var(--txt-2)}
.news-feature__meta{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;padding-top:18px;border-top:1px dashed var(--stroke)}
.news-feature__meta time{font-size:13px;color:var(--txt-3);font-family:var(--mono)}
.news-feature__more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:#0b5cd6}
.news-list{
  margin-top:26px;background:#fff;border:1px solid var(--stroke);border-radius:20px;overflow:hidden;
  box-shadow:0 18px 44px -40px rgba(20,45,90,.35);
}
.news-item{display:grid;grid-template-columns:104px 92px 1fr auto;align-items:center;gap:18px;padding:20px 26px;border-bottom:1px solid var(--stroke);transition:background .22s}
.news-item:last-child{border-bottom:0}
.news-item:hover{background:#f6f9fd}
.news-item time{font-size:13px;color:var(--txt-3);font-family:var(--mono)}
.news-item__cat{font-size:12px;font-weight:700;color:#0b5cd6;background:rgba(15,86,232,.07);padding:3px 10px;border-radius:999px;text-align:center}
.news-item h4{font-size:15.5px;font-weight:600;color:var(--txt);line-height:1.6}
.news-item__more{font-size:13px;color:var(--txt-3);white-space:nowrap}
.news-item:hover .news-item__more{color:#0b5cd6}
/* 带缩略图的条目（员工风采等图文新闻） */
.news-item--pic{grid-template-columns:88px 104px 92px 1fr auto}
.news-item__pic{width:88px;height:62px;object-fit:cover;border-radius:10px;background:#e6ecf5;border:1px solid var(--stroke)}
.news-note{margin-top:22px;text-align:center;font-size:13px;color:var(--txt-3)}

/* ---------- 子页页头装饰背景 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#e9f1fd 0%,#f3f7fc 62%,rgba(244,247,251,0) 100%);
}
.page-hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,86,232,.16),rgba(15,86,232,0) 66%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;bottom:-180px;left:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(11,127,214,.10),rgba(11,127,214,0) 66%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
/* 顶部点阵网格装饰（右上角渐隐） */
.page-hero .section-head{position:relative}
.page-hero .section-head::before{
  content:"";position:absolute;top:-58px;right:-84px;width:300px;height:170px;pointer-events:none;
  background-image:radial-gradient(rgba(15,86,232,.28) 1.3px,transparent 1.3px);
  background-size:20px 20px;
  -webkit-mask-image:radial-gradient(closest-side at 70% 45%,#000,transparent);
  mask-image:radial-gradient(closest-side at 70% 45%,#000,transparent);
  opacity:.7;
}
/* 标题上的 eyebrow 强调 */
.page-hero .eyebrow{color:#0b5cd6}

/* ---------- 板块之间的分割线 ---------- */
.section{position:relative}
.section + .section::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:min(1180px,calc(100% - 80px));height:1px;
  background:linear-gradient(90deg,rgba(13,42,84,0),rgba(13,42,84,.34) 18%,rgba(13,42,84,.34) 82%,rgba(13,42,84,0));
  pointer-events:none;
}

/* ---------- 自研物联网平台展示 ---------- */
.platform-show{
  display:grid;grid-template-columns:1.3fr .7fr;gap:50px;align-items:center;
  background:#fff;border:1px solid var(--stroke);border-radius:26px;
  box-shadow:0 28px 70px rgba(13,42,84,.13);padding:46px 44px;
}
.platform-show__shot{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid var(--stroke);box-shadow:0 18px 44px rgba(13,42,84,.16);background:#0d1b2a;
}
.platform-show__bar{
  display:flex;gap:8px;padding:13px 16px;background:#16324e;
}
.platform-show__bar i{width:11px;height:11px;border-radius:50%;background:#3f5f80}
.platform-show__bar i:first-child{background:#63e0c0}
.platform-show__shot img{display:block;width:100%;height:auto}
.platform-show__en{font-size:12.5px;letter-spacing:.14em;color:#0b7fd6;font-weight:600}
.platform-show__body h3{margin:10px 0 16px;font-size:26px;color:#0d2a54}
.platform-show__body ul{list-style:none;margin:0 0 26px;padding:0;display:grid;gap:13px}
.platform-show__body li{
  position:relative;padding-left:28px;font-size:15.5px;line-height:1.65;color:#3c4f68;
}
.platform-show__body li::before{
  content:"";position:absolute;left:0;top:7px;width:16px;height:16px;border-radius:50%;
  background:#0b7fd6;-webkit-mask:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 6 9 17l-5-5"/></svg>') center/13px no-repeat,linear-gradient(#0b7fd6,#0b7fd6);
  mask: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 6 9 17l-5-5"/></svg>') center/13px no-repeat,linear-gradient(#0b7fd6,#0b7fd6);
  -webkit-mask-composite:destination-out;mask-composite:exclude;
}
.platform-show__actions{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:1024px){
  .platform-show{grid-template-columns:1fr;padding:26px}
}

/* ---------- 新闻详情弹层 ---------- */
.news-item{cursor:pointer}
.news-feature{cursor:pointer}
.news-modal{position:fixed;inset:0;z-index:120;display:none}
.news-modal.is-open{display:block}
.news-modal__mask{position:absolute;inset:0;background:rgba(10,22,40,.55);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.news-modal__box{
  position:relative;max-width:780px;margin:5vh auto 0;max-height:88vh;overflow-y:auto;
  background:#fff;border-radius:20px;padding:38px 42px 34px;
  box-shadow:0 40px 90px -40px rgba(10,30,60,.6);
  animation:nm-in .26s ease both;
}
@keyframes nm-in{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.news-modal__close{
  position:absolute;top:16px;right:16px;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--stroke);background:#fff;color:var(--txt-2);cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s;
}
.news-modal__close:hover{background:#f2f5fa;color:#0b5cd6}
.news-modal__head{display:flex;align-items:center;gap:12px;margin-bottom:14px;padding-right:44px}
.news-modal__cat{font-size:12px;font-weight:700;color:#0b5cd6;background:rgba(15,86,232,.08);border:1px solid rgba(15,86,232,.2);padding:4px 12px;border-radius:999px}
.news-modal__head time{font-size:13px;color:var(--txt-3);font-family:var(--mono)}
.news-modal__title{font-size:24px;line-height:1.5;margin:0 0 18px;color:var(--txt)}
.news-modal__pic{width:100%;max-height:340px;object-fit:cover;border-radius:14px;margin-bottom:22px;border:1px solid var(--stroke)}
.news-modal__body p{font-size:15px;line-height:1.95;color:var(--txt-2);margin:0 0 14px}
.news-modal__body p:last-child{margin-bottom:0}
.news-modal__foot{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px dashed var(--stroke)}

/* ---------- 合作伙伴 ---------- */
.sub-title{font-size:20px;margin:8px 0 24px;padding-left:12px;border-left:4px solid #0b5cd6}
.partner-split{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:28px}
.partner-card{padding:32px 30px}
.partner-card h3{font-size:19px;margin-bottom:20px}
.partner-card .ticks{margin:0 0 24px}
.partner-card .ticks li{font-size:14.5px;line-height:1.8}
.partner-card .ticks li+li{margin-top:10px}
.partner-card .ticks li strong{color:var(--txt)}
.steps--4{grid-template-columns:repeat(4,1fr)}

/* 流程步骤补充说明 */
.step__note{
  display:block;margin-top:14px;padding-top:12px;border-top:1px dashed var(--stroke);
  font-size:12.5px;line-height:1.75;color:var(--txt-3);
}
.flow-tip{
  margin-top:26px;padding:18px 24px;border-radius:14px;
  background:rgba(15,86,232,.05);border:1px solid rgba(15,86,232,.16);
  font-size:14px;line-height:1.8;color:var(--txt-2);
}
.flow-tip strong{color:var(--txt)}

/* 招募对象 */
.pick{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:44px}
.pick__item{
  background:#fff;border:1px solid var(--stroke);border-radius:16px;padding:24px 26px;
  box-shadow:0 16px 40px -36px rgba(20,45,90,.4);
  transition:border-color .22s,box-shadow .22s,transform .22s;
}
.pick__item:hover{border-color:rgba(15,86,232,.42);box-shadow:0 24px 54px -36px rgba(20,45,90,.5);transform:translateY(-3px)}
.pick__item h4{font-size:16.5px;margin-bottom:8px;color:var(--txt);display:flex;align-items:center;gap:8px}
.pick__item h4::before{content:"";width:7px;height:7px;border-radius:50%;background:#0b5cd6;flex:0 0 auto}
.pick__item p{font-size:14px;line-height:1.8;color:var(--txt-2)}

@media (max-width:1024px){
  .news-feature{grid-template-columns:1fr}
  .news-feature__media img{min-height:220px;max-height:260px}
  .news-feature__body{padding:26px 24px}
  .partner-split{grid-template-columns:1fr}
  .steps--4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .news-feature__body h3{font-size:19px}
  .news-item{grid-template-columns:1fr;gap:8px;padding:18px}
  .news-item--pic{grid-template-columns:1fr}
  .news-item__pic{width:100%;height:160px}
  .news-item__more{display:none}
  .steps--4{grid-template-columns:1fr}
  .pick{grid-template-columns:1fr;gap:14px}
  .pick__item{padding:20px}
  .news-modal__box{margin:0;border-radius:0;max-height:100vh;height:100%;padding:28px 20px 30px}
  .news-modal__title{font-size:19px}
  .news-modal__pic{max-height:220px}
}

.footer__icp{color:#5b6b82}
.footer__icp:hover{color:#0d2a54}