/* ============ 缔朗科技 · 企业官网样式 ============
   风格基调参考 Ennoconn(桦汉) 工业门户 + 蓝绿双强调模板 */

:root{
  --blue:#2f6fd0;        /* 主蓝：按钮/标题/链接 */
  --blue-d:#1f56a8;
  --teal:#12a5b8;        /* 强调青绿：导航高亮/图标/CTA */
  --teal-d:#0d8595;
  --gold:#e0a93b;        /* 荣誉/数字点缀 */
  --ink:#1d2229;         /* 主标题 */
  --text:#5b6570;        /* 正文 */
  --muted:#8b95a1;       /* 次要文字 */
  --line:#e7eaef;        /* 描边 */
  --dark:#0a1220;        /* 深色区块 */
  --dark2:#101b30;
  --footer:#151a21;      /* 页脚 */
  --light:#f4f6f9;       /* 浅灰区块 */
  --white:#fff;
  --radius:10px;
  --shadow:0 10px 30px rgba(20,40,80,.08);
  --shadow-h:0 18px 44px rgba(20,40,80,.16);
  --maxw:1200px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);font-size:15px;line-height:1.75;background:var(--white);overflow-x:hidden}
a{color:inherit;text-decoration:none;transition:.25s}
img{max-width:100%;display:block}
ul{list-style:none}
h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.3}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
section{position:relative}

/* ============ 通用区块标题 ============ */
.sec{padding:82px 0}
.sec--tight{padding:60px 0}
.sec__head{margin-bottom:44px}
.sec__head.center{text-align:center}
.sec__tag{display:inline-flex;align-items:center;gap:8px;color:var(--teal);font-weight:700;font-size:15px;letter-spacing:1px;margin-bottom:12px}
.sec__tag::before{content:"";width:26px;height:3px;background:var(--teal);border-radius:2px;display:inline-block}
.sec__head.center .sec__tag{justify-content:center}
.sec__head.center .sec__tag::after{content:"";width:26px;height:3px;background:var(--teal);border-radius:2px;display:inline-block}
.sec__title{font-size:32px;letter-spacing:.5px}
.sec__desc{margin-top:14px;color:var(--muted);max-width:760px}
.sec__head.center .sec__desc{margin-left:auto;margin-right:auto}
.on-dark .sec__title{color:#fff}
.on-dark .sec__desc{color:#aeb8c6}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 30px;border-radius:40px;font-weight:600;font-size:15px;cursor:pointer;border:2px solid transparent;transition:.25s;line-height:1}
.btn svg{width:16px;height:16px}
.btn--teal{background:var(--teal);color:#fff}
.btn--teal:hover{background:var(--teal-d);transform:translateY(-2px)}
.btn--blue{background:var(--blue);color:#fff}
.btn--blue:hover{background:var(--blue-d);transform:translateY(-2px)}
.btn--ghost{border-color:#fff;color:#fff}
.btn--ghost:hover{background:#fff;color:var(--ink)}
.btn--outline{border-color:var(--blue);color:var(--blue)}
.btn--outline:hover{background:var(--blue);color:#fff}

/* ============ 顶部导航 ============ */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.3s;padding:16px 0}
.header .container{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand__mark{width:48px;height:48px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:0 4px 14px rgba(0,0,0,.25)}
.brand__mark img{width:44px;height:44px;object-fit:contain}
.brand__name{display:flex;flex-direction:column;line-height:1.15}
.brand__name b{font-size:20px;letter-spacing:1px}
.brand__name span{font-size:11px;letter-spacing:2px;opacity:.85;font-weight:400}
.nav{display:flex;align-items:center;gap:4px}
.nav a{padding:10px 15px;color:rgba(255,255,255,.9);font-size:15px;position:relative;border-radius:6px}
.nav a:hover{color:#fff}
.nav a.active{color:var(--teal)}
.nav a.active::after{content:"";position:absolute;left:15px;right:15px;bottom:2px;height:2px;background:var(--teal);border-radius:2px}
.nav__search{margin-left:10px;color:#fff;cursor:pointer;width:20px;height:20px}
.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}

/* scrolled state -> solid white */
.header.scrolled{background:rgba(255,255,255,.97);box-shadow:0 2px 20px rgba(20,40,80,.1);padding:8px 0}
.header.scrolled .brand,.header.scrolled .nav a{color:var(--ink)}
.header.scrolled .nav a:hover{color:var(--teal)}
.header.scrolled .nav a.active{color:var(--teal)}
.header.scrolled .nav__search{color:var(--ink)}
.header.scrolled .burger span{background:var(--ink)}

/* solid header for inner pages (always white) */
.header--solid{background:rgba(255,255,255,.98);box-shadow:0 2px 20px rgba(20,40,80,.08);padding:8px 0}
.header--solid .brand,.header--solid .nav a{color:var(--ink)}
.header--solid .nav a:hover,.header--solid .nav a.active{color:var(--teal)}
.header--solid .nav__search{color:var(--ink)}
.header--solid .brand__mark{box-shadow:0 4px 14px rgba(20,40,80,.14)}

/* ============ 内页 Banner ============ */
.pagebanner{position:relative;padding:150px 0 70px;background:linear-gradient(120deg,#0a1220 0%,#123056 55%,#0d2138 100%);color:#fff;overflow:hidden}
.pagebanner::before{content:"";position:absolute;inset:0;background:url(../img/p1.jpg) center/cover;opacity:.28;mix-blend-mode:screen}
.pagebanner::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,18,32,.85),rgba(10,18,32,.25))}
.pagebanner .container{position:relative;z-index:2}
.pagebanner h1{color:#fff;font-size:38px}
.crumbs{margin-top:14px;color:rgba(255,255,255,.75);font-size:14px;display:flex;gap:8px;align-items:center}
.crumbs a:hover{color:var(--teal)}
.crumbs span.sep{opacity:.6}

/* ============ 首页 Hero ============ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0}
.hero__slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.1s ease}
.hero__slide.on{opacity:1}
.hero__bg::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(7,14,26,.9) 0%,rgba(9,20,40,.62) 48%,rgba(9,20,40,.35) 100%)}
.hero .container{position:relative;z-index:3;padding-top:60px}
.hero__inner{max-width:680px}
.hero__kicker{display:inline-flex;align-items:center;gap:10px;font-size:15px;letter-spacing:3px;color:var(--teal);font-weight:600;margin-bottom:22px}
.hero__kicker::before{content:"";width:34px;height:2px;background:var(--teal)}
.hero h1{color:#fff;font-size:52px;line-height:1.18;letter-spacing:1px;margin-bottom:22px;text-shadow:0 4px 24px rgba(0,0,0,.35)}
.hero h1 em{font-style:normal;color:var(--teal)}
.hero__p{font-size:17px;color:rgba(255,255,255,.9);margin-bottom:36px;max-width:600px}
.hero__btns{display:flex;gap:16px;flex-wrap:wrap}
.hero__dots{position:absolute;left:0;right:0;bottom:34px;z-index:4;display:flex;gap:12px;justify-content:center}
.hero__dots i{width:11px;height:11px;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer;transition:.3s}
.hero__dots i.on{background:var(--teal);width:30px;border-radius:8px}
.hero__stats{position:absolute;left:0;right:0;bottom:0;z-index:3;transform:translateY(100%)}
@media(min-width:901px){.hero__stats{transform:none;background:rgba(10,18,32,.55);backdrop-filter:blur(6px);border-top:1px solid rgba(255,255,255,.1)}}
.hero__stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.hero__stats .st{padding:22px 10px;text-align:center;border-right:1px solid rgba(255,255,255,.12)}
.hero__stats .st:last-child{border-right:0}
.hero__stats .st b{display:block;font-size:30px;color:var(--teal);font-weight:800}
.hero__stats .st span{font-size:13px;color:rgba(255,255,255,.8)}

/* ============ 卡片/网格 ============ */
.grid{display:grid;gap:24px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}

/* 服务卡 */
.svc{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 26px;transition:.3s;position:relative;overflow:hidden}
.svc::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--teal),var(--blue));transform:scaleX(0);transform-origin:left;transition:.35s}
.svc:hover{transform:translateY(-8px);box-shadow:var(--shadow-h);border-color:transparent}
.svc:hover::before{transform:scaleX(1)}
.svc__ico{width:60px;height:60px;border-radius:14px;background:linear-gradient(135deg,rgba(18,165,184,.12),rgba(47,111,208,.12));display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.svc__ico svg{width:30px;height:30px;stroke:var(--teal)}
.svc h3{font-size:20px;margin-bottom:12px}
.svc p{font-size:14px;color:var(--muted)}
.svc__step{position:absolute;top:20px;right:22px;font-size:34px;font-weight:800;color:rgba(47,111,208,.1)}

/* 行业解决方案卡 */
.sol{position:relative;border-radius:var(--radius);overflow:hidden;height:280px;color:#fff;display:flex;align-items:flex-end}
.sol__bg{position:absolute;inset:0;background:linear-gradient(140deg,#123056,#0a1220);transition:.5s}
.sol__bg i{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32;transition:.5s;mix-blend-mode:luminosity}
.sol:hover .sol__bg i{opacity:.5;transform:scale(1.06)}
.sol::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,12,22,.92) 6%,rgba(6,12,22,.15) 60%)}
.sol__body{position:relative;z-index:2;padding:26px}
.sol__body .no{font-size:13px;color:var(--teal);letter-spacing:2px;font-weight:700}
.sol__body h3{color:#fff;font-size:22px;margin:8px 0 10px}
.sol__body p{font-size:13.5px;color:rgba(255,255,255,.8);max-height:0;overflow:hidden;opacity:0;transition:.4s}
.sol:hover .sol__body p{max-height:120px;opacity:1}
.sol__more{margin-top:0;opacity:0;height:0;transition:.4s;color:var(--teal);font-weight:600;font-size:14px;display:inline-flex;gap:6px;align-items:center}
.sol:hover .sol__more{margin-top:12px;opacity:1;height:auto}

/* ============ 深色 核心能力 ============ */
.dark{background:var(--dark);color:#fff}
.dark .sec__title{color:#fff}
.feature2{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center}
.feature2__img{border-radius:var(--radius);overflow:hidden;position:relative;box-shadow:var(--shadow-h)}
.feature2__img img{width:100%;height:100%;object-fit:cover}
.feature2__img::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,transparent 40%,rgba(18,165,184,.25))}
.chip{display:flex;gap:16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.1)}
.chip:last-child{border-bottom:0}
.chip__ico{flex:0 0 46px;height:46px;border-radius:10px;background:rgba(18,165,184,.16);display:flex;align-items:center;justify-content:center}
.chip__ico svg{width:24px;height:24px;stroke:var(--teal)}
.chip h4{color:#fff;font-size:17px;margin-bottom:4px}
.chip p{color:#9fb0c6;font-size:13.5px}

/* ============ 历程 时间轴 ============ */
.time{position:relative;max-width:900px;margin:0 auto;padding:10px 0}
.time::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;background:linear-gradient(var(--teal),var(--blue));transform:translateX(-50%)}
.time__it{position:relative;width:50%;padding:0 40px 40px}
.time__it:nth-child(odd){left:0;text-align:right}
.time__it:nth-child(even){left:50%}
.time__it .dot{position:absolute;top:4px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--teal);box-shadow:0 0 0 4px rgba(18,165,184,.15)}
.time__it:nth-child(odd) .dot{right:-8px}
.time__it:nth-child(even) .dot{left:-8px}
.time__it .yr{font-size:26px;font-weight:800;color:var(--blue)}
.time__it p{margin-top:6px;font-size:14px}

/* ============ 数字统计条 ============ */
.stats{background:linear-gradient(120deg,#0a1220,#123056);color:#fff}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.stats b{display:block;font-size:46px;font-weight:800;color:var(--teal);line-height:1}
.stats .plus{color:var(--gold)}
.stats span{display:block;margin-top:10px;color:rgba(255,255,255,.85);font-size:15px}

/* ============ 资质证书 ============ */
.cert{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;text-align:center;transition:.3s}
.cert:hover{box-shadow:var(--shadow-h);transform:translateY(-6px);border-color:transparent}
.cert__ico{width:72px;height:72px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,#fff4dd,#ffe6b3);display:flex;align-items:center;justify-content:center}
.cert__ico svg{width:36px;height:36px;stroke:var(--gold)}
.cert h3{font-size:18px;margin-bottom:10px}
.cert p{font-size:13.5px;color:var(--muted)}

/* ============ 新闻列表 ============ */
.news{display:grid;grid-template-columns:1.15fr 1fr;gap:34px}
.news__feat{border-radius:var(--radius);overflow:hidden;position:relative;height:100%;min-height:340px;display:flex;align-items:flex-end;color:#fff}
.news__feat .bg{position:absolute;inset:0;background:linear-gradient(140deg,#123056,#0a1220)}
.news__feat .bg i{position:absolute;inset:0;background:url(../img/p3.jpg) center/cover;opacity:.4;mix-blend-mode:luminosity}
.news__feat::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,12,22,.92),transparent 65%)}
.news__feat .b{position:relative;z-index:2;padding:30px}
.news__feat .tag{display:inline-block;background:var(--teal);color:#fff;font-size:12px;padding:4px 12px;border-radius:20px;margin-bottom:12px}
.news__feat h3{color:#fff;font-size:23px;line-height:1.4}
.news__feat .d{margin-top:10px;color:rgba(255,255,255,.7);font-size:13px}
.news__list li{padding:20px 0;border-bottom:1px dashed var(--line);display:flex;gap:16px;align-items:flex-start}
.news__list .dt{flex:0 0 60px;text-align:center;background:var(--light);border-radius:8px;padding:8px 0;color:var(--blue)}
.news__list .dt b{display:block;font-size:22px;font-weight:800;line-height:1}
.news__list .dt span{font-size:12px;color:var(--muted)}
.news__list h4{font-size:16px;margin-bottom:4px;transition:.2s}
.news__list a:hover h4{color:var(--teal)}
.news__list p{font-size:13.5px;color:var(--muted)}
.news__more{text-align:right;margin-top:18px}
.news__more a{color:var(--blue);font-weight:600;font-size:14px}
.news__more a:hover{color:var(--teal)}

/* ============ 服务支持三卡 ============ */
.svcmini{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.svcmini:hover{box-shadow:var(--shadow-h);transform:translateY(-6px)}
.svcmini__img{height:150px;background:linear-gradient(135deg,#123056,#1f56a8)}
.svcmini__img.a{background:linear-gradient(135deg,#0d8595,#12a5b8)}
.svcmini__img.b{background:linear-gradient(135deg,#1f56a8,#2f6fd0)}
.svcmini__img.c{background:linear-gradient(135deg,#b0812c,#e0a93b)}
.svcmini__img svg{width:52px;height:52px;stroke:#fff;opacity:.9;margin:49px auto 0}
.svcmini__b{padding:24px}
.svcmini__b h3{color:var(--blue);font-size:19px;margin-bottom:10px}
.svcmini__b p{font-size:14px;color:var(--muted)}

/* ============ CTA ============ */
.cta{position:relative;background:linear-gradient(120deg,#0a1220,#123056);color:#fff;overflow:hidden}
.cta::before{content:"";position:absolute;inset:0;background:url(../img/p2.jpg) right center/cover;opacity:.22;mix-blend-mode:screen}
.cta .container{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:58px 20px}
.cta h2{color:#fff;font-size:30px}
.cta p{color:rgba(255,255,255,.8);margin-top:8px}

/* ============ 页脚 ============ */
.footer{background:var(--footer);color:#93a0b1;padding:66px 0 0;font-size:14px}
.footer__top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer__brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer__brand .m{width:44px;height:44px;border-radius:50%;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}
.footer__brand .m img{width:40px;height:40px;object-fit:contain}
.footer__brand b{color:#fff;font-size:20px}
.footer p{line-height:1.9;color:#93a0b1}
.footer__tel{font-size:26px;color:var(--teal);font-weight:800;margin:14px 0 18px;letter-spacing:.5px}
.footer h4{color:#fff;font-size:17px;margin-bottom:20px;font-weight:600}
.footer__links li{margin-bottom:11px}
.footer__links a:hover{color:var(--teal);padding-left:5px}
.footer__contact li{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start}
.footer__contact svg{width:17px;height:17px;stroke:var(--teal);flex:0 0 17px;margin-top:4px}
.footer__qr{display:flex;gap:16px;margin-top:16px}
.footer__qr .q{width:104px;text-align:center}
.footer__qr .box{width:104px;height:104px;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;margin-bottom:8px}
.footer__qr .box svg{width:88px;height:88px}
.footer__qr span{font-size:12px;color:#93a0b1}
.footer__bar{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:13px;color:#6f7d8e}
.footer__bar a{color:#6f7d8e}
.footer__bar a:hover{color:var(--teal)}

/* ============ 右侧悬浮工具栏 ============ */
.float{position:fixed;right:16px;top:50%;transform:translateY(-50%);z-index:900;display:flex;flex-direction:column;gap:8px}
.float a,.float .fbtn{width:50px;height:50px;border-radius:10px;background:var(--blue);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:10px;position:relative;transition:.25s;cursor:pointer}
.float .fbtn:hover,.float a:hover{background:var(--teal)}
.float svg{width:20px;height:20px;stroke:#fff}
.float .qr-pop{position:absolute;right:60px;top:50%;transform:translateY(-50%) scale(.9);width:150px;background:#fff;border-radius:8px;padding:10px;opacity:0;visibility:hidden;transition:.25s;box-shadow:var(--shadow-h);text-align:center}
.float .has-qr:hover .qr-pop{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}
.float .qr-pop svg{width:100%;height:auto;stroke:none}
.float .to-top{background:var(--dark)}
.float .to-top:hover{background:var(--teal)}
@media(max-width:900px){.float{display:none}}

/* ============ 子页面：简介 / 图标特性条 ============ */
.intro-lead{text-align:center;max-width:900px;margin:0 auto}
.intro-lead h2{color:var(--blue);font-size:30px;margin-bottom:18px}
.intro-lead p{font-size:16px;line-height:2}
.iconbar{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:40px;text-align:center}
.iconbar .ib{padding:10px}
.iconbar .ib svg{width:52px;height:52px;stroke:var(--blue);margin:0 auto 14px}
.iconbar .ib h4{font-size:18px;margin-bottom:8px}
.iconbar .ib p{font-size:13.5px;color:var(--muted)}

/* 公司简介：全文 + 强调 */
.intro-lead{max-width:960px}
.intro-lead p{font-size:15.5px;line-height:2;text-align:justify;margin-bottom:14px}
.intro-lead p:last-child{margin-bottom:0}
.hl{color:var(--blue-d);font-weight:800;white-space:nowrap;position:relative;padding:0 1px}
.hl::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,var(--teal),var(--blue));border-radius:2px;opacity:.55}
/* 四大核心研发环节 */
.keybar{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.keybar .k{display:block;background:#fff;border:1px solid var(--line);border-top:3px solid var(--teal);border-radius:14px;padding:26px 18px;text-align:center;box-shadow:var(--shadow);transition:.3s}
.keybar .k:nth-child(even){border-top-color:var(--blue)}
.keybar .k:hover{transform:translateY(-7px);box-shadow:var(--shadow-h);border-color:var(--teal)}
.keybar .k .num{font-size:12px;color:var(--muted);letter-spacing:3px}
.keybar .k .t{font-size:23px;font-weight:800;color:var(--ink);margin:8px 0 4px;letter-spacing:1px}
.keybar .k .en{font-size:11px;color:var(--teal);letter-spacing:1px;text-transform:uppercase}
.keybar .k:nth-child(even) .en{color:var(--blue)}
@media(max-width:900px){.keybar{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.keybar{grid-template-columns:1fr}}

/* 视频横幅 */
.videobanner{position:relative;height:340px;background:linear-gradient(120deg,#0a1220,#123056);display:flex;align-items:center;justify-content:center;overflow:hidden}
.videobanner::before{content:"";position:absolute;inset:0;background:url(../img/p3.jpg) center/cover;opacity:.4;mix-blend-mode:luminosity}
.videobanner .play{position:relative;z-index:2;width:84px;height:84px;border-radius:50%;background:rgba(255,255,255,.15);border:2px solid #fff;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.3s}
.videobanner .play:hover{background:var(--teal);border-color:var(--teal);transform:scale(1.08)}
.videobanner .play svg{width:30px;height:30px;fill:#fff;margin-left:5px;stroke:none}

/* 文化 四宫格 */
.culture{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.cul{background:#fff;border:1px solid var(--line);border-left:4px solid var(--teal);border-radius:var(--radius);padding:30px 28px;transition:.3s}
.cul:nth-child(even){border-left-color:var(--blue)}
.cul:hover{box-shadow:var(--shadow);transform:translateX(4px)}
.cul .lb{color:var(--teal);font-weight:700;font-size:14px;letter-spacing:1px;margin-bottom:10px}
.cul:nth-child(even) .lb{color:var(--blue)}
.cul h3{font-size:21px;margin-bottom:10px}
.cul p{color:var(--text);font-size:15px}

/* 服务/流程 步骤 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.flow__it{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 22px;text-align:center;position:relative;transition:.3s}
.flow__it:hover{box-shadow:var(--shadow-h);transform:translateY(-6px);border-color:var(--teal)}
.flow__n{width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}
.flow__it h3{font-size:19px;margin-bottom:10px}
.flow__it p{font-size:13.5px;color:var(--muted)}
.flow__tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px;justify-content:center}
.flow__tags i{font-size:12px;background:var(--light);color:var(--blue);padding:3px 10px;border-radius:20px;font-style:normal}

/* 内页 列表（解决方案） */
.solrow{display:flex;gap:28px;align-items:center;padding:30px 0;border-bottom:1px dashed var(--line);transition:.3s}
.solrow:hover{background:var(--light)}
.solrow__img{flex:0 0 300px;height:190px;border-radius:var(--radius);overflow:hidden;position:relative}
.solrow__img .bg{position:absolute;inset:0;background:linear-gradient(140deg,#123056,#0a1220)}
.solrow__img .bg i{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.4;mix-blend-mode:luminosity;transition:.5s}
.solrow:hover .solrow__img .bg i{opacity:.6;transform:scale(1.06)}
.solrow__b{flex:1}
.solrow__b h3{font-size:22px;margin-bottom:12px;color:var(--ink);transition:.2s}
.solrow:hover .solrow__b h3{color:var(--teal)}
.solrow__b p{color:var(--text);margin-bottom:14px}
.solrow__b ul{display:flex;flex-wrap:wrap;gap:8px}
.solrow__b ul li{font-size:13px;color:var(--blue);background:rgba(47,111,208,.08);padding:5px 14px;border-radius:20px}
.solrow .more{margin-top:14px;display:inline-flex;gap:6px;align-items:center;color:var(--teal);font-weight:600;font-size:14px}

/* 新闻页 网格 */
.newsgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.ncard:hover{box-shadow:var(--shadow-h);transform:translateY(-6px)}
.ncard__img{height:180px;background:linear-gradient(140deg,#123056,#0a1220);position:relative;overflow:hidden}
.ncard__img i{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.45;mix-blend-mode:luminosity;transition:.5s}
.ncard:hover .ncard__img i{opacity:.62;transform:scale(1.06)}
.ncard__img .tag{position:absolute;left:14px;top:14px;background:var(--teal);color:#fff;font-size:12px;padding:4px 12px;border-radius:20px;z-index:2}
.ncard__b{padding:22px}
.ncard__b .d{color:var(--muted);font-size:13px;margin-bottom:8px}
.ncard__b h3{font-size:17px;line-height:1.5;margin-bottom:10px}
.ncard:hover .ncard__b h3{color:var(--teal)}
.ncard__b p{font-size:13.5px;color:var(--muted)}

/* 分页 */
.pager{display:flex;gap:8px;justify-content:center;margin-top:44px}
.pager a,.pager span{min-width:40px;height:40px;border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--text);font-size:14px;padding:0 10px;cursor:pointer}
.pager .on{background:var(--teal);color:#fff;border-color:var(--teal)}
.pager a:hover{border-color:var(--teal);color:var(--teal)}

/* 联系页 */
.contact-wrap{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:start}
.cinfo{display:grid;gap:18px}
.cinfo__it{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.cinfo__it .ic{flex:0 0 52px;height:52px;border-radius:12px;background:linear-gradient(135deg,rgba(18,165,184,.14),rgba(47,111,208,.14));display:flex;align-items:center;justify-content:center}
.cinfo__it .ic svg{width:26px;height:26px;stroke:var(--teal)}
.cinfo__it h4{font-size:17px;margin-bottom:6px}
.cinfo__it p{font-size:14px;color:var(--text)}
.cform{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.cform h3{font-size:20px;margin-bottom:20px}
.cform label{display:block;font-size:14px;margin-bottom:6px;color:var(--ink)}
.cform input,.cform textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:12px 14px;font-family:inherit;font-size:14px;margin-bottom:16px;transition:.2s;background:var(--light)}
.cform input:focus,.cform textarea:focus{outline:0;border-color:var(--teal);background:#fff}
.map{height:280px;border-radius:var(--radius);overflow:hidden;margin-top:36px;border:1px solid var(--line);position:relative;background:linear-gradient(135deg,#e8eef5,#dfe7f0)}
.map::after{content:"厦门市 · 缔朗科技";position:absolute;left:24px;bottom:24px;background:#fff;padding:10px 18px;border-radius:8px;box-shadow:var(--shadow);color:var(--ink);font-weight:600}
.map .pin{position:absolute;left:50%;top:45%;width:22px;height:22px;background:var(--teal);border-radius:50% 50% 50% 0;transform:rotate(-45deg);box-shadow:0 0 0 6px rgba(18,165,184,.2)}

/* 面包屑内页 light */
.light-band{background:var(--light)}

/* ============ 滚动动画 ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ============ 响应式 ============ */
@media(max-width:1024px){
  .g4,.flow,.iconbar{grid-template-columns:repeat(2,1fr)}
  .stats .container{grid-template-columns:repeat(2,1fr);gap:34px 20px}
  .footer__top{grid-template-columns:repeat(2,1fr)}
  .feature2,.news,.contact-wrap{grid-template-columns:1fr}
  .hero h1{font-size:42px}
}
@media(max-width:900px){
  .nav{position:fixed;inset:64px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;padding:12px 20px 20px;gap:2px;box-shadow:0 12px 24px rgba(0,0,0,.12);transform:translateY(-130%);transition:.35s;max-height:calc(100vh - 64px);overflow:auto}
  .nav.open{transform:translateY(0)}
  .nav a{color:var(--ink);padding:13px 8px;border-bottom:1px solid var(--line)}
  .nav a.active::after{display:none}
  .nav a.active{color:var(--teal)}
  .burger{display:flex}
  .header.scrolled .nav a,.header--solid .nav a{color:var(--ink)}
  .nav__search{display:none}
}
@media(max-width:640px){
  .sec{padding:56px 0}
  .g2,.g3,.culture,.newsgrid,.solrow,.iconbar,.flow,.g4{grid-template-columns:1fr}
  .hero h1{font-size:32px}
  .hero__p{font-size:15px}
  .sec__title{font-size:25px}
  .pagebanner h1{font-size:28px}
  .time::before{left:8px}
  .time__it{width:100%;left:0!important;text-align:left!important;padding:0 0 30px 34px}
  .time__it .dot{left:0!important;right:auto!important}
  .solrow{flex-direction:column;gap:16px}
  .solrow__img{width:100%;flex:none}
  .stats b{font-size:36px}
  .footer__top{grid-template-columns:1fr}
  .hero__stats .container{grid-template-columns:repeat(2,1fr)}
  .cta h2{font-size:23px}
}

/* ============ Mega 下拉菜单（桦汉式整屏面板） ============ */
[id]{scroll-margin-top:96px}
.header.menu-open{background:rgba(255,255,255,.98)!important;box-shadow:0 2px 20px rgba(20,40,80,.1)!important;padding-top:8px!important;padding-bottom:8px!important}
.header.menu-open .brand,.header.menu-open .nav a{color:var(--ink)}
.header.menu-open .nav a.active{color:var(--teal)}
.header.menu-open .nav__search{color:var(--ink)}
.header.menu-open .burger span{background:var(--ink)}
.nav a.has-drop{cursor:pointer;padding-right:24px}
.nav a.has-drop::before{content:"";position:absolute;right:1px;top:50%;width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:translateY(-70%) rotate(45deg);opacity:.55;transition:.25s}
.nav a.has-drop:hover::before,.nav a.has-drop.on::before{transform:translateY(-30%) rotate(-135deg)}
.megamenu{position:absolute;left:0;right:0;top:100%;background:#fff;border-top:1px solid var(--line);box-shadow:0 24px 48px rgba(20,40,80,.16);opacity:0;visibility:hidden;transform:translateY(-10px);transition:opacity .28s,transform .28s,visibility .28s;z-index:999}
.megamenu.open{opacity:1;visibility:visible;transform:none}
.megamenu__in{max-width:var(--maxw);margin:0 auto;padding:36px 20px 40px;display:grid;grid-template-columns:1fr 1fr minmax(280px,360px);gap:34px}
.mm-col{min-width:0}
.mm-col h5{font-size:15px;color:var(--muted);font-weight:600;letter-spacing:1px;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.mm-col a{display:flex;align-items:center;gap:10px;padding:9px 0;color:var(--text);font-size:15px;transition:.2s}
.mm-col a i{width:14px;height:14px;flex:0 0 14px;border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);transform:rotate(-45deg);transition:.2s}
.mm-col a:hover{color:var(--teal);padding-left:6px}
.mm-col a:hover i{border-color:var(--blue)}
.mm-promo{position:relative;border-radius:var(--radius);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;color:#fff;text-decoration:none}
.mm-promo .bg{position:absolute;inset:0;background:linear-gradient(140deg,#123056,#0a1220)}
.mm-promo .bg i{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;transition:.5s}
.mm-promo:hover .bg i{opacity:.68;transform:scale(1.06)}
.mm-promo::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,12,22,.9),transparent 60%)}
.mm-promo .cap{position:relative;z-index:2;padding:22px}
.mm-promo .cap b{font-size:20px;font-weight:700;color:#fff;letter-spacing:.5px}
.mm-promo .cap span{display:block;margin-top:6px;font-size:13px;color:var(--teal)}
@media(max-width:900px){.megamenu{display:none}}