:root{
  --primary:#2f6fbf;
  --primary-deep:#1d4e8f;
  --light:#eaf4fd;
  --light-2:#f5faff;
  --gold:#f5a623;
  --gold-deep:#e0900f;
  --ink:#1c2b3a;
  --sub:#5a6b7f;
  --line:#dbe9f7;
  --navy:#12315f;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.75}
a{text-decoration:none;color:inherit}
img{max-width:100%}
.container{max-width:1140px;margin:0 auto;padding:0 20px}

/* 导航 */
nav{position:sticky;top:0;background:#fff;z-index:100;box-shadow:0 1px 0 var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center}
.logo img{height:44px}
.nav-links{display:flex;gap:24px;font-size:15px;color:var(--ink)}
.nav-links a:hover{color:var(--primary)}
.nav-tel{background:var(--gold);color:#fff;padding:9px 18px;border-radius:8px;font-size:14px;font-weight:700}
.nav-tel:hover{background:var(--gold-deep)}
@media(max-width:860px){.nav-links{display:none}}

/* 首屏 */
.hero{position:relative;background:url(../images/hero-bg.jpg) center/cover no-repeat;padding:84px 0 72px;text-align:center}
.hero::before{content:'';position:absolute;inset:0;background:rgba(255,255,255,.86)}
.hero .container{position:relative;z-index:1}
.tag{display:inline-block;border:1px solid #a9c9ec;color:var(--primary-deep);background:#fff;padding:5px 16px;border-radius:20px;font-size:13px;letter-spacing:2px;margin-bottom:24px}
.hero h1{font-size:44px;font-weight:800;line-height:1.3;margin-bottom:18px;color:var(--ink)}
.hero h1 em{font-style:normal;color:var(--primary)}
.hero .sub{font-size:17px;color:var(--sub);margin-bottom:36px}
.cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 30px;border-radius:10px;font-size:16px;font-weight:700;transition:.2s}
.btn-gold{background:var(--gold);color:#fff}
.btn-gold:hover{background:var(--gold-deep)}
.btn-ghost{border:1px solid #b9d4ef;color:var(--primary-deep);background:#fff}
.btn-ghost:hover{background:var(--light)}
.stats{display:flex;justify-content:center;gap:54px;margin-top:52px;flex-wrap:wrap}
.stat .n{font-size:26px;font-weight:800;color:var(--primary)}
.stat .l{font-size:13px;color:var(--sub)}
@media(max-width:860px){.hero h1{font-size:30px}}

/* 通用 */
section{padding:72px 0}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head .k{color:var(--primary);font-size:14px;letter-spacing:3px;font-weight:700}
.sec-head h2{font-size:32px;font-weight:800;margin:10px 0 12px;color:var(--ink)}
.sec-head p{font-size:15px;color:var(--sub)}

/* 六大服务 */
.grid6{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.grid6{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.grid6{grid-template-columns:1fr}}
.svc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 26px;transition:.25s}
.svc:hover{transform:translateY(-5px);border-color:#a9c9ec;box-shadow:0 12px 28px rgba(47,111,191,.12)}
.svc .no{font-size:13px;font-weight:800;color:var(--primary);letter-spacing:1px}
.svc h3{font-size:19px;font-weight:700;margin:10px 0 10px;color:var(--ink)}
.svc p{font-size:14px;color:var(--sub);margin-bottom:14px}
.svc a{color:var(--primary);font-size:14px;font-weight:600}

/* 关于思企 */
.about{display:grid;grid-template-columns:0.9fr 1.1fr;gap:48px;align-items:center}
.about-img{border-radius:16px;overflow:hidden;box-shadow:0 14px 34px rgba(47,111,191,.16)}
.about-img img{width:100%;height:100%;object-fit:cover;display:block}
@media(max-width:860px){.about{grid-template-columns:1fr}}
.about .txt h3{font-size:22px;font-weight:800;margin-bottom:16px;color:var(--ink)}
.about .txt p{font-size:15px;color:var(--sub);margin-bottom:12px}
.about .badges{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.about .badge{background:var(--light);border-radius:12px;padding:18px;text-align:center}
.about .badge .n{font-size:22px;font-weight:800;color:var(--primary-deep)}
.about .badge .d{font-size:12px;color:var(--sub);margin-top:4px}
.about .motto{border-left:4px solid var(--gold);background:var(--light-2);padding:16px 20px;border-radius:0 12px 12px 0;margin-top:18px}
.about .motto .m{font-size:16px;font-weight:700;color:var(--primary-deep)}
.about .motto .s{font-size:13px;color:var(--sub);margin-top:4px}

/* 为什么选 */
.feat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:860px){.feat{grid-template-columns:repeat(2,1fr)}}
.feat .f{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 18px;text-align:center;border-top:3px solid var(--primary)}
.feat .f .t{font-size:17px;font-weight:700;color:var(--primary-deep)}
.feat .f .d{font-size:13px;color:var(--sub);margin-top:8px}

/* 流程 */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
@media(max-width:900px){.steps{grid-template-columns:repeat(3,1fr)}}
@media(max-width:600px){.steps{grid-template-columns:1fr}}
.step{text-align:center}
.step .c{width:54px;height:54px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;margin:0 auto 12px}
.step h4{font-size:14px;font-weight:700;color:var(--ink);line-height:1.4}
.step p{font-size:12px;color:var(--sub);margin-top:4px}

/* 成功案例 */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
@media(max-width:900px){.cases{grid-template-columns:1fr}}
.case-col{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;border-top:3px solid var(--gold)}
.case-col h3{font-size:17px;font-weight:800;color:var(--primary-deep);margin-bottom:6px}
.case-col .cat{font-size:12px;color:var(--gold-deep);font-weight:700;letter-spacing:1px;margin-bottom:14px}
.case-item{padding:11px 0;border-bottom:1px dashed var(--line)}
.case-item:last-child{border-bottom:none}
.case-item .cn{font-size:14px;font-weight:600;color:var(--ink)}
.case-item .rg{font-size:12px;color:var(--sub);margin-top:2px}
.cases-note{text-align:center;font-size:13px;color:var(--sub);margin-top:26px}
.case-banner{border-radius:16px;overflow:hidden;margin:0 0 30px}
.case-banner img{width:100%;display:block}

/* 区域 */
.region-wrap{display:grid;grid-template-columns:0.9fr 1.1fr;gap:32px;align-items:center}
.region-img{border-radius:16px;overflow:hidden}
.region-img img{width:100%;height:100%;object-fit:cover;display:block}
.region{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;text-align:center}
@media(max-width:860px){.region-wrap{grid-template-columns:1fr}.region{grid-template-columns:repeat(2,1fr)}}
.region .r{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px}
.region .r .n{font-size:20px;font-weight:800;color:var(--primary)}
.region .r .d{font-size:13px;color:var(--sub);margin-top:6px}

/* 联系 */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;max-width:820px;margin:0 auto}
@media(max-width:700px){.contact-grid{grid-template-columns:1fr}}
.person{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;text-align:center}
.person img{width:150px;height:150px;border-radius:12px;object-fit:contain;background:#fff}
.person h3{font-size:19px;font-weight:700;margin:14px 0 4px;color:var(--ink)}
.person .role{font-size:13px;color:var(--sub);margin-bottom:14px}
.person .tel{display:block;font-size:22px;font-weight:800;color:var(--primary-deep);margin-bottom:6px}
.person .tip{font-size:13px;color:var(--sub)}
.hotline{text-align:center;margin-top:30px;font-size:16px;color:var(--ink)}
.hotline b{color:var(--gold-deep);font-size:20px}
.addr{margin-top:18px;text-align:center;font-size:14px;color:var(--sub);line-height:2}
.addr b{color:var(--ink)}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.qa{background:#fff;border:1px solid var(--line);border-radius:12px;margin-bottom:13px;overflow:hidden}
.qa .q{padding:17px 22px;font-size:16px;font-weight:700;cursor:pointer;display:flex;justify-content:space-between;gap:10px;color:var(--ink)}
.qa .q::after{content:"＋";color:var(--primary)}
.qa .a{padding:0 22px 16px;font-size:14px;color:var(--sub);display:none}
.qa.open .a{display:block}
.qa.open .q{color:var(--primary-deep)}
.qa.open .q::after{content:"－"}

/* CTA条 */
.cta-bar{position:relative;background:url(../images/cta-bg.jpg) center/cover no-repeat;color:#fff;text-align:center;padding:52px 20px}
.cta-bar::before{content:'';position:absolute;inset:0;background:rgba(18,49,95,.88)}
.cta-bar .container{position:relative;z-index:1}
.cta-bar h2{font-size:26px;font-weight:800;margin-bottom:8px}
.cta-bar p{font-size:15px;margin-bottom:24px;opacity:.9}
.cta-bar .btn{background:var(--gold);color:#fff}

/* 页脚 */
footer{background:var(--navy);padding:46px 0 26px;color:#c7d6ee}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:26px}
@media(max-width:860px){.foot{grid-template-columns:1fr}}
footer h4{font-size:16px;margin-bottom:12px;color:#fff}
footer p,footer a{display:block;font-size:13px;color:#c7d6ee;margin-bottom:7px}
footer a:hover{color:#fff}
.copyright{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:12px;color:#8fa4c4;text-align:center}

/* ===== 资讯中心 ===== */
.page-hero{background:linear-gradient(165deg,#dceefc 0%,#eef7fe 45%,#fbfdff 100%);padding:52px 0;text-align:center}
.page-hero h1{font-size:34px;font-weight:800;color:var(--ink)}
.page-hero p{font-size:15px;color:var(--sub);margin-top:10px}

.news-wrap{max-width:880px;margin:0 auto;padding:20px 20px 70px}
.news-filter{display:flex;gap:12px;justify-content:center;margin:30px 0 32px;flex-wrap:wrap}
.news-filter a{padding:8px 22px;border-radius:20px;font-size:14px;border:1px solid var(--line);color:var(--sub);background:#fff;cursor:pointer}
.news-filter a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px 30px;transition:.2s}
.news-item:hover{border-color:#a9c9ec;box-shadow:0 8px 24px rgba(47,111,191,.1)}
.news-item .meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--sub);margin-bottom:10px;flex-wrap:wrap}
.ctag{display:inline-block;font-size:12px;font-weight:700;padding:2px 12px;border-radius:4px}
.ctag-policy{background:#fff3e0;color:var(--gold-deep)}
.ctag-news{background:var(--light);color:var(--primary-deep)}
.ctag-case{background:#e8f7ee;color:#1a9e5c}
.news-item h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px}
.news-item h3 a:hover{color:var(--primary)}
.news-item .desc{font-size:14px;color:var(--sub);line-height:1.7}
.news-empty{text-align:center;color:var(--sub);padding:40px 0;display:none}

/* 文章详情页 */
.article-wrap{max-width:780px;margin:0 auto;padding:48px 20px 70px}
.article-head{text-align:center;margin-bottom:32px}
.article-head .ctag{font-size:13px;padding:3px 14px}
.article-head h1{font-size:30px;font-weight:800;color:var(--ink);line-height:1.4;margin:16px 0 12px}
.article-head .meta{font-size:13px;color:var(--sub)}
.article-body{font-size:16px;color:var(--ink);line-height:1.9}
.article-body h2{font-size:21px;font-weight:700;margin:30px 0 12px;color:var(--ink);padding-left:12px;border-left:4px solid var(--primary)}
.article-body h3{font-size:17px;font-weight:700;margin:24px 0 10px;color:var(--ink)}
.article-body p{margin-bottom:14px}
.article-body ul{margin:0 0 14px 24px}
.article-body li{margin-bottom:8px}
.article-body .note{background:var(--light-2);border:1px solid var(--line);border-radius:10px;padding:14px 18px;font-size:14px;color:var(--sub);margin:18px 0}
.back{margin-top:42px;padding-top:20px;border-top:1px solid var(--line)}
.back a{color:var(--primary);font-size:14px;font-weight:600}