/* =========================================================
   德恒首页 · 新版视觉（卡片式 / 大留白 / 品牌蓝）
   需在 index.css 之后加载
   ========================================================= */
:root{
  --mc:#0C60B4;   /* 主蓝 */
  --dc:#1A2C8E;   /* 深蓝 */
  --bc:#0088D8;   /* 亮蓝 */
  --ink:#1c2b45;  /* 主文字 */
  --muted:#5b6b80;/* 次要文字 */
  --line:#e6ecf2; /* 分隔线 */
  --soft:#f5f8fa; /* 浅底 */
}

/* ---------- 基础重置（仅限新版块内） ---------- */
.hs-sec h2,.hs-sec h3{margin:0;}
.hs-sec a{text-decoration:none;color:inherit;}
.hs-sec ul{margin:0;padding:0;list-style:none;}
.hs-sec p{margin:0;}
.hs-sec img{max-width:100%;display:block;}
.home-b .service-wrap1{padding:0;}

/* ---------- 版块容器 ---------- */
.hs-sec{padding:92px 0;position:relative;overflow:hidden;}
.hs-wrap{max-width:1280px;margin:0 auto;padding:0 32px;}

/* ---------- 通用标题 ---------- */
.hs-head{text-align:center;margin-bottom:56px;}
.hs-en{display:block;font-family:Arial;font-size:33px;letter-spacing:3px;text-transform:uppercase;color:var(--mc);font-weight:700;margin-bottom:14px;}
.hs-title{font-size:38px;line-height:1.3;font-weight:800;color:var(--ink);display:inline-block;position:relative;padding-bottom:18px;}
.hs-title:after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:58px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--mc),var(--bc));}
.hs-title label{color:var(--mc);}
.hs-sec .hs-desc{max-width:1200px;margin:20px auto 0;color:var(--muted);font-size:16px;line-height:1.9;}
.hs-h1{margin:14px auto 0;max-width:1200px;text-align:center;font-size:23px;line-height:1.5;font-weight:700;color:var(--ink);letter-spacing:.5px;}
.hs-h1 span{color:var(--mc);}

/* ---------- 更多按钮 ---------- */
.hs-morebox{text-align:center;margin-top:46px;}
.hs-more{display:inline-flex;align-items:center;gap:8px;padding:13px 34px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);font-weight:600;font-size:15px;transition:.3s;}
.hs-more em{font-style:normal;color:var(--mc);transition:.3s;}
.hs-more:hover{background:var(--mc);border-color:var(--mc);color:#fff;box-shadow:0 10px 26px rgba(12,96,180,.28);}
.hs-more:hover em{color:#fff;}

/* ---------- 滚动入场动画 ---------- */
.hs-anim{opacity:0;transform:translateY(30px);transition:opacity .75s ease,transform .75s ease;}
.hs-sec.active .hs-anim{opacity:1;transform:none;}
.hs-anim.d1{transition-delay:.12s;}
.hs-anim.d2{transition-delay:.24s;}

/* ---------- 关于我们 / 数据实力 ---------- */
.hs-about{background:#fff;}
.hs-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.hs-stat{background:#fff;border:1px solid var(--line);border-radius:16px;padding:38px 18px;text-align:center;transition:.35s;}
.hs-stat:hover{transform:translateY(-8px);border-color:rgba(12,96,180,.4);box-shadow:0 16px 38px rgba(12,96,180,.13);}
.hs-stat-num{font-family:Arial;font-size:46px;font-weight:800;color:var(--mc);line-height:1;letter-spacing:-1px;}
.hs-stat-num i{font-style:normal;font-size:19px;margin-left:4px;color:var(--bc);}
.hs-stat-lab{margin-top:14px;color:var(--muted);font-size:15px;}

/* ---------- 产品中心 ---------- */
.hs-prod{background:var(--soft);}
.hs-tabs{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-bottom:42px;}
.hs-tab{display:inline-flex;align-items:center;gap:9px;padding:12px 24px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#41506a;font-weight:600;font-size:15px;cursor:pointer;transition:.28s;}
.hs-tab svg{width:20px;height:20px;flex:none;}
.hs-tab:hover{border-color:var(--mc);color:var(--mc);}
.hs-tab.on{background:var(--mc);border-color:var(--mc);color:#fff;box-shadow:0 10px 24px rgba(12,96,180,.26);}
.hs-panel{display:none;}
.hs-panel.on{display:block;}
.hs-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.hs-card{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.35s;}
.hs-card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(12,96,180,.15);border-color:rgba(12,96,180,.35);}
.hs-card-img{position:relative;padding-top:100%;overflow:hidden;background:#eef2f7;}
.hs-card-img img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:.55s;}
.hs-card:hover .hs-card-img img{transform:scale(1.08);}
.hs-card-body{padding:18px 16px 22px;text-align:center;}
.hs-card-title{font-size:16px;font-weight:600;color:var(--ink);line-height:1.5;transition:.3s;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hs-card:hover .hs-card-title{color:var(--mc);}

/* ---------- 客户案例 ---------- */
.hs-case{background:#fff;}
.hs-casegrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.hs-caseitem{position:relative;border-radius:16px;overflow:hidden;background:#0d1b33;transition:.35s;}
.hs-caseitem:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(12,96,180,.2);}
.hs-case-img{position:relative;padding-top:64%;overflow:hidden;}
.hs-case-img img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:.55s;}
.hs-caseitem:hover .hs-case-img img{transform:scale(1.08);}
.hs-case-txt{position:absolute;left:0;right:0;bottom:0;padding:56px 22px 22px;background:linear-gradient(to bottom,rgba(8,24,52,0),rgba(8,24,52,.88));}
.hs-case-title{font-size:18px;font-weight:700;color:#fff;line-height:1.4;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.hs-sec .hs-case-desc{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);line-height:1.6;height:44px;overflow:hidden;}

/* ---------- 解决方案（深蓝品牌色带，白图标适配） ---------- */
.hs-solu{background:linear-gradient(135deg,#1A2C8E 0%,#0C60B4 62%,#0088D8 100%);}
.hs-solu:before{content:"";position:absolute;z-index:0;width:440px;height:440px;border-radius:50%;background:rgba(255,255,255,.06);top:-170px;right:-130px;}
.hs-solu:after{content:"";position:absolute;z-index:0;width:320px;height:320px;border-radius:50%;background:rgba(0,136,216,.22);bottom:-130px;left:-110px;}
.hs-solu .hs-wrap{position:relative;z-index:1;}
.hs-solu .hs-en{color:rgba(255,255,255,.85);}
.hs-solu .hs-title{color:#fff;}
.hs-solu .hs-title:after{background:rgba(255,255,255,.9);}
.hs-solugrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;}
.hs-solu-item{display:block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:18px;padding:14px 14px 22px;text-align:center;transition:.35s;}
.hs-solu-item:hover{transform:translateY(-8px);background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.5);box-shadow:0 18px 40px rgba(6,20,60,.35);}
.hs-solu-img{position:relative;padding-top:58%;border-radius:12px;overflow:hidden;}
.hs-solu-img img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:.55s;}
.hs-solu-item:hover .hs-solu-img img{transform:scale(1.07);}
.hs-solu-title{margin-top:16px;font-size:17px;font-weight:600;color:#fff;line-height:1.5;transition:.3s;}

/* ---------- 资质荣誉 ---------- */
.hs-qual{background:#fff;}
.hs-qualbox{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.hs-qual-list li{position:relative;padding-left:24px;margin-bottom:18px;color:#41506a;font-size:17px;line-height:1.8;}
.hs-qual-list li:before{content:"";position:absolute;left:0;top:11px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--mc),var(--bc));}
.hs-qual-img{border-radius:18px;overflow:hidden;box-shadow:0 18px 44px rgba(12,32,72,.14);}

/* ---------- 合作伙伴 ---------- */
.hs-part{background:var(--soft);}
.hs-partgrid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.hs-part-item{background:#fff;border:1px solid var(--line);border-radius:14px;height:98px;display:flex;align-items:center;justify-content:center;padding:16px;transition:.3s;}
.hs-part-item:hover{border-color:var(--mc);box-shadow:0 12px 28px rgba(12,96,180,.13);transform:translateY(-4px);}
.hs-part-item img{max-width:100%;max-height:100%;filter:grayscale(100%);opacity:.6;transition:.35s;}
.hs-part-item:hover img{filter:none;opacity:1;}

/* ---------- 新闻资讯 ---------- */
.hs-news{background:#fff;}
.hs-newsbox{display:grid;grid-template-columns:1fr 1fr 0.95fr;gap:24px;}
.hs-newscard{display:block;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.35s;}
.hs-newscard:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(12,96,180,.15);border-color:rgba(12,96,180,.35);}
.hs-news-img{position:relative;padding-top:56%;overflow:hidden;background:#eef2f7;}
.hs-news-img img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transition:.55s;}
.hs-newscard:hover .hs-news-img img{transform:scale(1.07);}
.hs-news-tag{position:absolute;top:14px;left:14px;padding:6px 14px;border-radius:999px;background:rgba(12,96,180,.92);color:#fff;font-size:13px;}
.hs-news-body{padding:20px 20px 24px;}
.hs-news-title{font-size:18px;font-weight:700;color:var(--ink);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:.3s;}
.hs-newscard:hover .hs-news-title{color:var(--mc);}
.hs-sec .hs-news-desc{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.7;height:48px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.hs-news-date{margin-top:14px;font-size:13px;color:#93a1b5;}
.hs-newslist{background:var(--soft);border-radius:16px;padding:8px 0;}
.hs-newslist-head{padding:18px 24px 12px;font-size:17px;font-weight:700;color:var(--mc);}
.hs-newsitem{display:block;padding:14px 24px;transition:.28s;}
.hs-newsitem+.hs-newsitem{border-top:1px solid #e8eef4;}
.hs-newsitem-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:.3s;}
.hs-newsitem-date{margin-top:6px;font-size:13px;color:#93a1b5;transition:.3s;}
.hs-newsitem:hover{background:var(--mc);border-radius:8px;}
.hs-newsitem:hover .hs-newsitem-title{color:#fff;}
.hs-newsitem:hover .hs-newsitem-date{color:rgba(255,255,255,.8);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .hs-sec{padding:68px 0;}
  .hs-title{font-size:30px;}
  .hs-stats{grid-template-columns:repeat(2,1fr);gap:16px;}
  .hs-grid{grid-template-columns:repeat(3,1fr);}
  .hs-casegrid{grid-template-columns:repeat(2,1fr);}
  .hs-solugrid{grid-template-columns:repeat(3,1fr);}
  .hs-partgrid{grid-template-columns:repeat(4,1fr);}
  .hs-newsbox{grid-template-columns:1fr 1fr;}
  .hs-newslist{grid-column:1 / -1;}
  .hs-qualbox{grid-template-columns:1fr;gap:30px;}
}
@media screen and (max-width:768px){
  .hs-sec{padding:54px 0;}
  .hs-wrap{padding:0 18px;}
  .hs-title{font-size:25px;}
  .hs-desc{font-size:15px;}
  .hs-head{margin-bottom:38px;}
  .hs-stats{grid-template-columns:repeat(2,1fr);}
  .hs-stat{padding:26px 12px;}
  .hs-stat-num{font-size:34px;}
  .hs-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hs-casegrid{grid-template-columns:1fr;}
  .hs-solugrid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .hs-partgrid{grid-template-columns:repeat(3,1fr);gap:10px;}
  .hs-part-item{height:76px;padding:10px;}
  .hs-newsbox{grid-template-columns:1fr;}
  .hs-more{padding:11px 26px;font-size:14px;}
  .hs-tab{padding:10px 16px;font-size:14px;}
}


/* ---------- 解决方案：原版图标行（白线条图标，恢复原生样式） ---------- */
.service-wrap5.solu-v2 .i_four{display:block;}
.service-wrap5.solu-v2 .owl-demo4,
.service-wrap5.solu-v2 .owl-demo4 .owl-wrapper-outer,
.service-wrap5.solu-v2 .owl-demo4 .owl-item{height:auto;}
@media screen and (max-width:768px){
  .home-b .service-wrap5{padding:56px 0 64px;}
}


/* ---------- 公司优势/解决方案：新式标题适配 ---------- */
.service-wrap4 .i_three{margin-top:0;}
.home-b .service-wrap5.solu-v2 .i_four{margin-top:0;}
.service-wrap5 .hs-en{color:rgba(255,255,255,.85);}
.service-wrap5 .hs-title{color:#fff;}
.service-wrap5 .hs-title:after{background:rgba(255,255,255,.9);}


/* ---------- 解决方案：标题/图标行提升到遮罩之上（原版 z-index 语义） ---------- */
.service-wrap5 .hs-head{position:relative;z-index:5;}
.home-b .service-wrap5.solu-v2 .i_four{position:relative;z-index:5;}


/* ---------- 首页横幅：桌面用背景图、移动端用竖版图（保持原版切换），高度由 JS 按原图比例计算 ---------- */
.home-b .banner .lzpic2{display:none;}
@media screen and (max-width:1200px){
  .home-b .banner .lzpic1{display:none;}
  .home-b .banner .lzpic2{display:block;}
}


/* ---------- 产品中心：3列左右滚动轮播 ---------- */
.hs-prodowl{ margin-top:8px; }
.hs-prodowl .hs-card{ display:block; width:100%; }
.hs-prodowl .hs-card-img img{ position:absolute; }
.hs-prodowl.owl-theme .owl-controls .owl-buttons div.owl-prev{ margin-left:-58px; }
.hs-prodowl.owl-theme .owl-controls .owl-buttons div.owl-next{ margin-right:-58px; }


/* ---------- 产品中心：空分类提示 ---------- */
.hs-empty{text-align:center;color:#8195ad;padding:76px 0;background:#fff;border:1px dashed #cfdbe8;border-radius:16px;font-size:15px;}

/* ---------- 首页 H1（主标题，承载核心业务词） ---------- */
@media (max-width:992px){.hs-h1{font-size:20px;}}
@media (max-width:768px){.hs-h1{font-size:17px;margin-top:10px;letter-spacing:0;}}

/* 首页横幅文案：白色文字加轻投影，保证亮色图上可读 */
.home-b .banner .txt span{ text-shadow:0 2px 16px rgba(8,28,60,.5); }
.home-b .banner .txt .f36{ letter-spacing:3px; font-weight:600; opacity:.95; }

/* 横幅文案缩小 + 收敛（用户反馈：字太大、不能太吹嘘） */
.home-b .banner .f72 .f36{ font-size:24px; letter-spacing:2px; }
.home-b .banner .f72 > span:not(.f36){ font-size:40px; font-weight:600; letter-spacing:2px; }
@media (max-width:1200px){
  .home-b .banner .f72 .f36{ font-size:20px; }
  .home-b .banner .f72 > span:not(.f36){ font-size:30px; }
}
@media (max-width:640px){
  .home-b .banner .f72 .f36{ font-size:16px; }
  .home-b .banner .f72 > span:not(.f36){ font-size:26px; }
}
@media (max-width:640px){
  .home-b .banner .f72 .f36{ font-size:15px; }
  .home-b .banner .f72 > span:not(.f36){ font-size:23px; letter-spacing:1px; }
}