/* ============================================================
   万网创维 WWCW 主题样式
   覆盖引擎渲染页类 + 首页自定义类 + 移动端导航兜底
   ============================================================ */

:root{
  --blue:#1f6feb;
  --blue-d:#1756c4;
  --orange:#ff7a18;
  --orange-d:#e85f00;
  --navy:#0d1b3e;
  --ink:#1a2233;
  --ink-strong:#0d1b3e;
  --ink-mute:#5b6478;
  --cream:#f5f8ff;
  --line:#e3e9f5;
  --white:#ffffff;
  --shadow-sm:0 2px 8px rgba(13,27,62,.08);
  --shadow-md:0 10px 30px rgba(13,27,62,.14);
  --radius:14px;
  --serif:"Noto Serif SC",Georgia,"Microsoft YaHei",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--white);
  line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
.container{width:min(1180px,92vw);margin:0 auto;}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line);
}
.site-header>.container{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;position:relative;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:42px;height:42px;border-radius:11px;display:inline-flex;
  align-items:center;justify-content:center;color:#fff;font-weight:900;
  font-family:var(--serif);font-size:20px;
  background:linear-gradient(135deg,var(--blue),var(--orange));
  box-shadow:var(--shadow-sm);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1;}
.brand-name{font-weight:900;font-size:20px;color:var(--ink-strong);}
.brand-en{font-size:12px;letter-spacing:2px;color:var(--ink-mute);}
.nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  padding:10px 14px;border-radius:9px;font-weight:600;color:var(--ink);
  transition:background .2s,color .2s;
}
.nav-link:hover{background:var(--cream);color:var(--blue);}
.nav-link.active{color:var(--blue);}
.nav-cta{
  margin-left:8px;padding:10px 20px;border-radius:999px;color:#fff;font-weight:700;
  background:linear-gradient(135deg,var(--blue),var(--blue-d));
  box-shadow:var(--shadow-sm);transition:transform .15s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);}

/* ---------- 汉堡按钮（桌面隐藏） ---------- */
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;background:var(--cream);color:var(--navy);
  border:2px solid var(--blue);border-radius:10px;cursor:pointer;padding:0;
}
.nav-toggle .icon-close{display:none;}
.nav-toggle.open .icon-open{display:none;}
.nav-toggle.open .icon-close{display:block;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;color:#fff;}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.05);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(13,27,62,.92),rgba(31,111,235,.72) 55%,rgba(255,122,24,.55));
}
.hero-inner{position:relative;padding:120px 0 130px;text-align:center;}
.hero-kicker{
  display:inline-block;letter-spacing:4px;font-size:13px;font-weight:700;
  color:#ffe7d2;background:rgba(255,255,255,.12);padding:6px 16px;border-radius:999px;
  margin:0 0 22px;
}
.hero-title{
  font-family:var(--serif);font-size:clamp(30px,5vw,56px);line-height:1.2;
  margin:0 0 18px;font-weight:900;text-shadow:0 4px 24px rgba(0,0,0,.3);
}
.hero-sub{font-size:clamp(15px,2vw,20px);color:#eaf1ff;margin:0 auto 34px;max-width:640px;}
.hero-lead{font-size:clamp(13.5px,1.6vw,16px);line-height:1.85;color:#dbe6ff;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);border-radius:12px;padding:16px 20px;margin:0 auto 22px;max-width:760px;backdrop-filter:blur(4px);}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* ---------- 信任数据条 ---------- */
.trust-bar{background:linear-gradient(135deg,var(--blue-d),#0b3b86);padding:30px 0;}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.trust-item{text-align:center;padding:6px 4px;}
.trust-num{display:block;font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1;color:#fff;letter-spacing:.5px;}
.trust-plus{font-size:.5em;font-weight:700;margin-left:2px;color:var(--orange);}
.trust-label{display:block;margin-top:10px;font-size:13px;color:#cfe0ff;letter-spacing:.5px;}

/* ---------- 合作流程 ---------- */
.flow-section{background:#fff;}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:34px;}
.flow-step{position:relative;background:var(--cream);border:1px solid #ece8df;border-radius:16px;padding:28px 22px 24px;transition:transform .18s,box-shadow .2s;}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.flow-no{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;font-weight:800;font-size:18px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-d));margin-bottom:14px;}
.flow-step h3{font-size:18px;margin:0 0 8px;color:var(--ink);}
.flow-step p{font-size:14px;line-height:1.7;color:#5b6472;margin:0;}

/* ---------- 移动端适配（信任条/流程） ---------- */
@media(max-width:820px){
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:24px 12px;}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
}
@media(max-width:480px){
  .flow-grid{grid-template-columns:1fr;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-block;padding:13px 30px;border-radius:999px;font-weight:700;
  transition:transform .15s,box-shadow .2s,background .2s;cursor:pointer;
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--orange),var(--orange-d));
  box-shadow:0 10px 26px rgba(255,122,24,.36);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,122,24,.46);}
.btn-ghost{
  color:#fff;border:2px solid rgba(255,255,255,.7);background:rgba(255,255,255,.06);
}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.16);}
/* 浅色背景上的 ghost 按钮（深字深边） */
.btn-on-light{color:var(--blue);border:2px solid var(--blue);background:transparent;}
.btn-on-light:hover{border-color:var(--blue-d);color:var(--blue-d);background:rgba(31,111,235,.08);transform:translateY(-2px);}

/* ---------- 通用区块 ---------- */
.section{padding:84px 0;}
.section-alt{background:var(--cream);}
.kicker{color:var(--orange);font-weight:800;letter-spacing:2px;font-size:14px;margin:0 0 10px;}
.section-title{font-family:var(--serif);font-size:clamp(24px,3.4vw,38px);color:var(--ink-strong);margin:0 0 14px;font-weight:900;}
.section-desc{color:var(--ink-mute);max-width:760px;margin:0 0 44px;font-size:16px;}

/* ---------- 服务卡片 ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 24px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.svc-icon{
  width:54px;height:54px;border-radius:13px;display:inline-flex;align-items:center;
  justify-content:center;font-family:var(--serif);font-weight:900;font-size:24px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--orange));margin-bottom:16px;
}
.svc-card h3{margin:0 0 10px;font-size:19px;color:var(--ink-strong);}
.svc-card p{margin:0;color:var(--ink-mute);font-size:15px;}

/* ---------- 新闻网格 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--cream);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb-empty{
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
  font-weight:800;color:var(--blue);background:linear-gradient(135deg,var(--cream),#e6eeff);
}
.news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-mute);margin:0;}
.news-tag{background:rgba(31,111,235,.12);color:var(--blue);padding:3px 10px;border-radius:999px;font-weight:700;}
.news-title{margin:0;font-size:18px;line-height:1.4;color:var(--ink-strong);}
.news-title a:hover{color:var(--blue);}
.news-sum{margin:0;color:var(--ink-mute);font-size:14.5px;flex:1;}
.news-more{color:var(--orange);font-weight:700;font-size:14px;}
.center{text-align:center;margin-top:40px;}

/* ---------- CTA band ---------- */
.cta-band{background:linear-gradient(120deg,var(--navy),var(--blue));color:#fff;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.cta-title{font-family:var(--serif);font-size:clamp(22px,3vw,32px);margin:0 0 8px;font-weight:900;}
.cta-sub{margin:0;color:#dbe6ff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--navy);color:#dbe6ff;padding:54px 0 40px;}
.site-footer .container{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.footer-brand .brand-mark{background:linear-gradient(135deg,var(--blue),var(--orange));}
.footer-brand .brand-name{color:#fff;font-weight:900;font-family:var(--serif);font-size:20px;}
.footer-brand .brand-tag{font-weight:600;font-family:var(--sans);font-size:13px;color:#aebbe0;margin-left:10px;}
.footer-desc{max-width:560px;color:#aebbe0;font-size:14.5px;margin:0 0 10px;}
.footer-links{color:#aebbe0;font-size:14px;margin:0;}
.footer-meta{color:#8b99c7;font-size:14px;}

/* ============================================================
   引擎渲染页类兜底（news / news-detail / page）
   ============================================================ */
.wwcw-news-head{text-align:center;padding:60px 0 10px;}
.wwcw-kicker{color:var(--orange);font-weight:800;letter-spacing:2px;font-size:14px;margin:0 0 8px;}
.wwcw-news-title{font-family:var(--serif);font-size:clamp(26px,4vw,40px);color:var(--ink-strong);margin:0 0 12px;font-weight:900;}
.wwcw-news-desc{color:var(--ink-mute);max-width:680px;margin:0 auto;}
.wwcw-news-cats{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;padding:24px 0 8px;}
.wwcw-cat{padding:7px 16px;border-radius:999px;border:1px solid var(--line);color:var(--ink-mute);font-weight:600;cursor:pointer;transition:.2s;}
.wwcw-cat:hover{color:var(--blue);border-color:var(--blue);}
.wwcw-cat.active{background:var(--blue);border-color:var(--blue);color:#fff;}
.wwcw-news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;padding:30px 0 10px;}
.wwcw-news-row{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column;}
.wwcw-news-row:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.wwcw-news-thumb{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--cream);}
.wwcw-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s;}
.wwcw-news-row:hover .wwcw-news-thumb img{transform:scale(1.05);}
.wwcw-news-thumb--empty{display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--blue);background:linear-gradient(135deg,var(--cream),#e6eeff);}
.wwcw-news-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px;flex:1;}
.wwcw-news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-mute);margin:0;}
.wwcw-news-tag{background:rgba(31,111,235,.12);color:var(--blue);padding:3px 10px;border-radius:999px;font-weight:700;}
.wwcw-news-head-title{margin:0;font-size:18px;line-height:1.4;color:var(--ink-strong);}
.wwcw-news-head-title a:hover{color:var(--blue);}
.wwcw-news-sum{margin:0;color:var(--ink-mute);font-size:14.5px;flex:1;}
.wwcw-news-more{color:var(--orange);font-weight:700;font-size:14px;}
.wwcw-news-empty{text-align:center;color:var(--ink-mute);padding:40px 0;}
.wwcw-pager,.wwcw-pagination{display:flex;gap:8px;justify-content:center;padding:24px 0 50px;flex-wrap:wrap;}
.wwcw-pagination .pg{padding:8px 14px;border-radius:9px;border:1px solid var(--line);color:var(--ink);font-weight:600;}
.wwcw-pagination .pg.active{background:var(--blue);border-color:var(--blue);color:#fff;}

/* 文章详情 */
main{padding:40px 0 70px;}
.wwcw-article{margin:0 auto;}
.wwcw-article-inner{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:40px 44px;box-shadow:var(--shadow-sm);}
.wwcw-breadcrumb{color:var(--ink-mute);font-size:14px;margin-bottom:18px;}
.wwcw-breadcrumb a:hover{color:var(--blue);}
.wwcw-article-header{margin-bottom:26px;border-bottom:1px solid var(--line);padding-bottom:22px;}
.wwcw-article-meta{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--ink-mute);margin-bottom:12px;}
.wwcw-article-category{background:rgba(31,111,235,.12);color:var(--blue);padding:3px 12px;border-radius:999px;font-weight:700;}
.wwcw-article-title{font-family:var(--serif);font-size:clamp(24px,3.4vw,34px);color:var(--ink-strong);margin:0;line-height:1.3;font-weight:900;}
.wwcw-article-cover{margin:24px 0;border-radius:var(--radius);overflow:hidden;}
.wwcw-article-cover img{width:100%;}
.wwcw-article-body{font-size:16.5px;color:var(--ink);}
.wwcw-article-body p{margin:0 0 18px;}
.wwcw-article-foot{margin-top:30px;}
.wwcw-back-link{color:var(--blue);font-weight:700;}
.wwcw-related-news{margin-top:40px;max-width:820px;margin-left:auto;margin-right:auto;}
.wwcw-related-title{font-family:var(--serif);font-size:22px;color:var(--ink-strong);font-weight:900;margin:0 0 18px;}
.wwcw-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.wwcw-related-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;}
.wwcw-related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.wwcw-related-card h4{margin:0 0 8px;font-size:16px;color:var(--ink-strong);line-height:1.4;}
.wwcw-related-card a:hover h4{color:var(--blue);}

/* 自定页（page.php）通用 */
.page-wrap{max-width:860px;margin:0 auto;}
.page-block{margin-bottom:34px;}
.page-block h2{font-family:var(--serif);font-size:26px;color:var(--ink-strong);margin:0 0 14px;font-weight:900;}
.page-block p{color:var(--ink);font-size:16.5px;margin:0 0 14px;}
.page-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.page-col{background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.page-col .pc-icon{width:44px;height:44px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--blue),var(--orange));margin-bottom:12px;font-family:var(--serif);}
.page-col h3{margin:0 0 8px;font-size:18px;color:var(--ink-strong);}
.page-col p{margin:0;color:var(--ink-mute);font-size:14.5px;}

/* ============================================================
   移动端导航兜底（v2.2 强制）
   ============================================================ */
@media (max-width:980px){
  .nav-toggle{display:inline-flex;}
  .site-header>.container{position:relative;}
  .nav{
    display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;
    background:rgba(245,248,255,.98);backdrop-filter:blur(8px);
    border-bottom:3px solid var(--orange);box-shadow:var(--shadow-md);
    padding:12px 24px 20px;z-index:60;
  }
  .nav.open{display:flex;}
  .nav-link{padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;}
  .nav-cta{margin:12px 0 0;align-self:stretch;text-align:center;}

  .svc-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .wwcw-news-list{grid-template-columns:1fr;}
  .wwcw-related-grid{grid-template-columns:1fr;}
  .page-cols{grid-template-columns:1fr;}
  .hero-inner{padding:90px 0 100px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .wwcw-article-inner{padding:28px 22px;}
}

@media (max-width:560px){
  .svc-grid{grid-template-columns:1fr;}
  .section{padding:60px 0;}
}

/* ---------- 精选案例（可点击卡片） ---------- */
.cases-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:42px;
}
.case-card{
  display:flex;flex-direction:column;background:var(--white);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  color:inherit;text-decoration:none;cursor:pointer;
}
.case-card:hover{
  transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--blue);
}
.case-thumb{
  height:170px;background-size:cover;background-position:center;background-color:var(--cream);
}
.case-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;}
.case-tag{
  align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--blue);background:rgba(31,111,235,.1);padding:4px 10px;border-radius:20px;
}
.case-card h3{
  margin:0;font-size:19px;color:var(--blue);font-weight:700;
  transition:color .2s ease;
}
.case-card:hover h3{color:var(--blue-d);}
.case-card p{margin:0;font-size:14.5px;color:var(--ink-mute);line-height:1.7;}

@media (max-width:860px){
  .cases-grid{grid-template-columns:1fr;}
  .case-tag{display:none;}
}

/* 正文高亮：**加粗** 标记 */
.hl{font-weight:700;}