/* 恩初数据科技 官网设计稿 · 共享样式 v1
   品牌色：NAVY #1B2A6B / BLUE #3E6FD9 / RED #E94560(点缀) / ICE #E8F0FE
   说明：本文件为设计稿阶段样式，后续转正式站时可整体保留。 */

:root{
  --navy:#1B2A6B;
  --navy2:#243a8f;
  --blue:#3E6FD9;
  --red:#E94560;
  --ink:#1f2433;
  --muted:#5b6478;
  --bg:#f5f7fb;
  --card:#ffffff;
  --line:#e3e8f2;
  --ice:#E8F0FE;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:72px 0;}
.section.alt{background:var(--card);}
.eyebrow{color:var(--blue);font-size:13px;font-weight:600;letter-spacing:2px;margin-bottom:10px;}
.h2{font-size:30px;color:var(--navy);font-weight:700;margin-bottom:14px;line-height:1.3;}
.lead{color:var(--muted);font-size:16px;max-width:760px;margin-bottom:8px;}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(6px);border-bottom:1px solid var(--line);}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;}
.brand{display:flex;align-items:center;gap:12px;}
.logo{width:40px;height:40px;border-radius:9px;background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;letter-spacing:1px;}
.brand .name{font-size:18px;font-weight:700;color:var(--navy);line-height:1.1;}
.brand .en{font-size:11px;color:var(--muted);letter-spacing:2px;}
.brand-logo{height:48px;width:auto;display:block;}
.menu{display:flex;gap:30px;align-items:center;}
.menu a{font-size:15px;color:var(--ink);position:relative;padding:6px 0;transition:.2s;}
.menu a:hover{color:var(--blue);}
.menu a.active{color:var(--blue);font-weight:600;}
.menu a.active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  background:var(--blue);border-radius:2px;}
.btn{display:inline-block;padding:11px 24px;border-radius:8px;font-size:15px;font-weight:600;
  transition:.2s;cursor:pointer;border:1px solid transparent;}
.btn.primary{background:var(--blue);color:#fff;}
.btn.primary:hover{background:var(--navy);}
.btn.ghost{border-color:var(--line);color:var(--navy);background:#fff;}
.btn.ghost:hover{border-color:var(--blue);color:var(--blue);}
.nav-toggle{display:none;}

/* ===== 顶部 Banner 自动轮播 ===== */
.hero-slider{position:relative;background:#0f1a44;overflow:hidden;}
.hero-slider .slides{position:relative;width:100%;aspect-ratio:16/5;max-height:600px;}
.hero-slider .slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;z-index:1;}
.hero-slider .slide.active{opacity:1;z-index:2;}
.hero-slider .slide img{width:100%;height:100%;object-fit:cover;object-position:center;}
.hero-slider .dots{position:absolute;left:50%;transform:translateX(-50%);bottom:20px;
  display:flex;gap:10px;z-index:4;}
.hero-slider .dots button{width:34px;height:4px;padding:0;border:0;border-radius:3px;
  background:rgba(255,255,255,.5);cursor:pointer;transition:.25s;}
.hero-slider .dots button.on{background:#fff;width:50px;}
.hero-slider .arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:46px;height:46px;border-radius:50%;padding:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;line-height:1;color:#fff;
  border:1px solid rgba(255,255,255,.45);background:rgba(10,20,60,.32);
  backdrop-filter:blur(4px);transition:.25s;}
.hero-slider .arrow:hover{background:var(--blue);border-color:transparent;}
.hero-slider .arrow.prev{left:20px;}
.hero-slider .arrow.next{right:20px;}
@media(max-width:768px){
  .hero-slider .slides{aspect-ratio:16/9;}
  .hero-slider .slide img{object-position:left center;}
  .hero-slider .arrow{width:34px;height:34px;font-size:18px;}
  .hero-slider .arrow.prev{left:8px;} .hero-slider .arrow.next{right:8px;}
  .hero-slider .dots{bottom:10px;}
  .hero-slider .dots button{width:20px;height:3px;}
  .hero-slider .dots button.on{width:30px;}
}

/* ===== Hero ===== */
.hero{position:relative;background:linear-gradient(135deg,#16235c 0%,#243a8f 55%,#2f4aa8 100%);
  color:#fff;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 20%,rgba(255,255,255,.08) 0,transparent 40%),
  radial-gradient(circle at 80% 0%,rgba(62,111,217,.35) 0,transparent 45%);}
.hero .wrap{position:relative;padding:64px 24px 80px;}
.hero h1{font-size:44px;line-height:1.25;font-weight:800;margin-bottom:20px;max-width:760px;}
.hero p{font-size:18px;color:#cdd8f3;max-width:680px;margin-bottom:32px;}
.hero .actions{display:flex;gap:16px;flex-wrap:wrap;}
.hero .actions .btn.primary{background:#fff;color:var(--navy);}
.hero .actions .btn.primary:hover{background:var(--ice);}
.hero .actions .btn.ghost{color:#fff;border-color:rgba(255,255,255,.5);}
.hero .actions .btn.ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);}
.hero .tag{display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  padding:6px 14px;border-radius:20px;font-size:13px;margin-bottom:22px;color:#e7edff;}

/* ===== Stats ===== */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:54px;}
.stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:22px;}
.stat .num{font-size:30px;font-weight:800;color:#fff;}
.stat .num small{font-size:15px;font-weight:600;}
.stat .lab{font-size:13px;color:#c2cdf0;margin-top:4px;}
@media(max-width:768px){.stats{grid-template-columns:repeat(2,1fr);} .hero h1{font-size:32px;}}

/* ===== Cards / Grid ===== */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:28px;
  transition:.2s;}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(27,42,107,.10);border-color:#c9d6f5;}
.card .ic{width:48px;height:48px;border-radius:11px;background:var(--ice);color:var(--blue);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;margin-bottom:16px;}
.card h3{font-size:18px;color:var(--navy);margin-bottom:8px;}
.card p{color:var(--muted);font-size:14.5px;}
.card.capability{display:flex;align-items:center;gap:28px;}
.card.capability .cap-text{flex:1;min-width:0;}
.card.capability .feat-icon{flex-shrink:0;color:var(--blue);opacity:.85;}
@media(max-width:900px){.grid3,.grid4{grid-template-columns:repeat(2,1fr);} .card.capability{flex-direction:column;text-align:center;} .card.capability .feat-icon{order:-1;} }
@media(max-width:560px){.grid3,.grid4,.grid2{grid-template-columns:1fr;} }

/* ===== Feature band ===== */
.band{background:linear-gradient(135deg,var(--navy),var(--navy2));color:#fff;border-radius:16px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.band h3{font-size:22px;margin-bottom:6px;}
.band p{color:#cdd8f3;font-size:15px;max-width:620px;}

/* ===== Steps / timeline ===== */
.timeline{position:relative;margin-top:30px;padding-left:8px;}
.tl-item{display:flex;gap:20px;padding-bottom:26px;position:relative;}
.tl-item::before{content:"";position:absolute;left:7px;top:18px;bottom:-6px;width:2px;background:var(--line);}
.tl-item:last-child::before{display:none;}
.tl-dot{width:16px;height:16px;border-radius:50%;background:var(--blue);margin-top:4px;box-shadow:0 0 0 4px var(--ice);flex:none;}
.tl-yr{font-weight:700;color:var(--navy);min-width:64px;}
.tl-item h4{font-size:16px;color:var(--ink);margin-bottom:3px;}
.tl-item p{color:var(--muted);font-size:14px;}

/* ===== Policy list ===== */
.policy{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.policy .pc{background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:10px;padding:18px 20px;}
.policy .pc .src{font-size:12px;color:var(--blue);font-weight:600;margin-bottom:6px;}
.policy .pc h4{font-size:15.5px;color:var(--navy);margin-bottom:6px;}
.policy .pc p{font-size:14px;color:var(--muted);}
@media(max-width:768px){.policy{grid-template-columns:1fr;}}

/* ===== News ===== */
.news{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news .n{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.2s;cursor:pointer;display:block;}
.news .n:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(27,42,107,.10);border-color:#c9d6f5;}
.news .n .ph{height:130px;background:linear-gradient(135deg,#243a8f,#3E6FD9);}
.news .n .body{padding:18px;}
.news .n .date{font-size:12px;color:var(--blue);font-weight:600;}
.news .n h4{font-size:16px;color:var(--navy);margin:6px 0;}
.news .n p{font-size:13.5px;color:var(--muted);}
.news .n .more{margin-top:10px;color:var(--blue);font-size:13px;font-weight:600;}
.news .n:hover .more{text-decoration:underline;}
@media(max-width:900px){.news{grid-template-columns:1fr;}}

/* ===== Footer ===== */
.foot{background:#11193f;color:#c3cbe2;padding:54px 0 28px;}
.foot .grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px;}
.foot h4{color:#fff;font-size:15px;margin-bottom:14px;}
.foot a,.foot p{color:#aeb8d6;font-size:14px;line-height:2;}
.foot a:hover{color:#fff;}
.foot .copy{border-top:1px solid rgba(255,255,255,.12);margin-top:34px;padding-top:18px;
  font-size:13px;color:#8b95b8;text-align:center;}
.foot .logo{width:42px;height:42px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--blue));
  color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;}

/* ===== Inner page hero ===== */
.page-hero{background:linear-gradient(135deg,#16235c,#2f4aa8);color:#fff;padding:64px 0 60px;}
.page-hero h1{font-size:38px;font-weight:800;margin-bottom:12px;}
.page-hero p{color:#cdd8f3;font-size:17px;max-width:720px;}
.crumb{font-size:13px;color:#aeb8d6;margin-bottom:16px;}
.crumb a:hover{color:#fff;}

/* ===== Generic content ===== */
.lead-block{max-width:820px;}
.lead-block p{color:var(--muted);font-size:16px;margin-bottom:14px;}
.kv{display:flex;gap:14px;flex-wrap:wrap;margin-top:10px;}
.kv .k{flex:1 1 220px;background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;}
.kv .k b{color:var(--navy);display:block;margin-bottom:4px;}
.kv .k span{color:var(--muted);font-size:14px;}
.callout{background:var(--ice);border:1px solid #c9d6f5;border-radius:12px;padding:22px 24px;margin-top:24px;}
.callout h4{color:var(--navy);margin-bottom:6px;}
.callout p{color:#33406b;font-size:15px;}
/* ===== 友情链接 ===== */
.flinks{background:linear-gradient(180deg,#eef4fb 0%,#f5f7fb 100%);padding:48px 0 42px;border-top:1px solid var(--line);}
.flinks h2{text-align:center;font-size:20px;color:var(--navy);font-weight:700;letter-spacing:1px;margin-bottom:24px;}
.flinks .row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;max-width:1010px;margin:0 auto;}
.flink{background:#fff;border:1px solid var(--line);border-radius:10px;min-height:76px;display:flex;
  align-items:center;justify-content:center;gap:11px;padding:12px 16px;transition:.22s;
  box-shadow:0 2px 8px rgba(27,42,107,.04);}
.flink:hover{transform:translateY(-3px);box-shadow:0 10px 22px rgba(27,42,107,.10);border-color:#c9d6f5;}
.flink .gm{height:38px;width:38px;flex:none;display:block;}
.flink .tx{min-width:0;line-height:1.15;}
.flink .tx b{display:block;font-size:15px;font-weight:700;letter-spacing:.3px;white-space:nowrap;}
.flink .tx i{display:block;font-style:normal;font-size:8px;font-weight:600;margin-top:4px;
  letter-spacing:.1px;line-height:1.25;opacity:.88;}
@media(max-width:900px){
  .flinks .row{grid-template-columns:repeat(2,1fr);}
  .flink .tx b{font-size:13.5px;} .flink .tx i{font-size:7.5px;}
}
@media(max-width:560px){
  .flinks{padding:34px 0 30px;}
  .flinks .row{grid-template-columns:1fr;}
  .flink{justify-content:flex-start;min-height:66px;}
  .flink .gm{height:34px;width:34px;} .flink .tx b{font-size:13px;}
}

/* ===== 新闻（左特稿 + 右列表）===== */
.news2{display:grid;grid-template-columns:1.62fr 1fr;gap:36px;margin-top:30px;align-items:start;}
.news2 .feat{display:block;}
.news2 .feat .cover{border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:#e3ebf9;border:1px solid var(--line);}
.news2 .feat .cover img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s;}
.news2 .feat:hover .cover img{transform:scale(1.035);}
.news2 .feat h3{font-size:20px;line-height:1.5;color:var(--navy);margin:16px 0 10px;font-weight:700;}
.news2 .feat:hover h3{color:var(--blue);}
.news2 .feat p{color:var(--muted);font-size:14.5px;line-height:1.8;}
.news2 .feat .more{margin-top:12px;color:var(--blue);font-size:13px;font-weight:600;}
.news2 .feat:hover .more{text-decoration:underline;}
.news2 .nlist{display:flex;flex-direction:column;}
.news2 .ni{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line);}
.news2 .ni:first-child{padding-top:2px;}
.news2 .ni:last-child{border-bottom:0;padding-bottom:0;}
.news2 .ni .thumb{width:118px;height:74px;flex:none;border-radius:8px;overflow:hidden;background:#e3ebf9;border:1px solid var(--line);}
.news2 .ni .thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.news2 .ni .nt{min-width:0;}
.news2 .ni h4{font-size:14.5px;line-height:1.55;color:var(--ink);font-weight:600;}
.news2 .ni .date{font-size:12.5px;color:var(--muted);margin-top:9px;}
.news2 .ni:hover h4{color:var(--blue);}
@media(max-width:900px){
  .news2{grid-template-columns:1fr;gap:26px;}
  .news2 .feat h3{font-size:18px;}
  .news2 .ni .thumb{width:104px;height:66px;}
}

/* ===== 首图尺寸调整（与内容区同宽 · 两侧留白 · 居中展示）===== */
.hero-slider{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  padding:18px 24px 6px;
  background:transparent;
  overflow:visible;
}
.hero-slider .slides{max-height:none;overflow:hidden;border-radius:16px;
  box-shadow:0 10px 30px rgba(27,42,107,.14);}
.hero-slider .arrow.prev{left:6px;}
.hero-slider .arrow.next{right:6px;}
@media(max-width:768px){
  .hero-slider{padding:14px 24px 4px;}
  .hero-slider .slides{border-radius:12px;}
}
/* ===== 首图尺寸调整 END ===== */

/* ===== 深蓝 Hero 区块尺寸调整（与首图同宽 · 居中 · 两侧留白）===== */
.hero{
  max-width:1152px;
  width:calc(100% - 48px);
  margin:18px auto 0;
  border-radius:16px;
  box-shadow:0 10px 30px rgba(27,42,107,.14);
}
.hero .wrap{max-width:none;padding:56px 56px 64px;}
/* 修正：深蓝底上的「查看资质授权」按钮原为白底白字（看不见），改为透明底白字 */
.hero .actions .btn.ghost{background:transparent;}
@media(max-width:768px){
  .hero{width:calc(100% - 48px);margin-top:14px;border-radius:12px;}
  .hero .wrap{padding:36px 20px 44px;}
  .hero .stats{gap:14px;margin-top:36px;}
  .hero .stat{padding:16px 14px;}
  .hero .stat .num{font-size:24px;}
  .hero .stat .num small{font-size:13px;}
  .hero .stat .lab{font-size:12px;}
}
/* ===== 深蓝 Hero 区块尺寸调整 END ===== */

/* ===== Logo 尺寸调整（页头左上角公司 LOGO 适当放大）===== */
@media(min-width:769px){
  .nav{height:78px;}
  .brand-logo{height:60px;}
}
/* ===== Logo 尺寸调整 END ===== */