/* ============ 基础变量 ============ */
:root{
  --c-primary:#1565d8;
  --c-primary-dark:#0d4fb0;
  --c-primary-light:#e8f1fe;
  --c-accent:#00c2a8;
  --c-ink:#0f2138;
  --c-text:#3a4a63;
  --c-muted:#7a8aa3;
  --c-line:#e6ebf3;
  --c-bg:#ffffff;
  --c-bg-alt:#f4f8fd;
  --c-bg-dark:#0a1f3d;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 6px 24px rgba(15,33,56,.07);
  --shadow-lg:0 18px 50px rgba(15,33,56,.12);
  --container:1180px;
  --header-h:68px;
}

/* ============ Reset ============ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.8;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary)}
img{max-width:100%;display:block}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,textarea,select{font-family:inherit;font-size:15px}

.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部公告条 ============ */
.topbar{background:var(--c-bg-dark);color:#c3d2e8;font-size:14px}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar-text{opacity:.9}
.topbar-contact{display:flex;gap:20px}
.topbar-contact a{color:#fff}
.topbar-contact a:hover{color:var(--c-accent)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s;
}
.site-header.scrolled{box-shadow:0 4px 18px rgba(15,33,56,.06)}
.nav-inner{display:flex;align-items:center;gap:36px;height:var(--header-h)}
.logo{display:flex;align-items:center;gap:6px;flex-shrink:0}
.logo img{height:38px;width:auto;display:block;flex-shrink:0;border-radius:8px}
.logo-color{border-radius:0;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1));transition:transform .2s}
.logo:hover .logo-color{transform:rotate(5deg) scale(1.05)}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;font-weight:700;font-size:14px;letter-spacing:-1px;
  box-shadow:0 4px 12px rgba(21,101,216,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{color:var(--c-ink);font-size:18px;font-weight:700;letter-spacing:.5px}
.logo-text small{color:var(--c-muted);font-size:10px;letter-spacing:1.5px}

.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:4px}
.main-nav a{
  display:block;padding:8px 14px;border-radius:8px;
  font-size:16px;color:var(--c-text);font-weight:500;
}
.main-nav a:hover{background:var(--c-primary-light);color:var(--c-primary)}

.nav-phone{
  display:flex;align-items:center;gap:6px;flex-shrink:0;
  padding:8px 16px;border-radius:8px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;font-size:14px;font-weight:600;text-decoration:none;
  box-shadow:0 2px 8px rgba(21,101,216,.25);transition:transform .2s,box-shadow .2s;
}
.nav-phone:hover{transform:translateY(-1px);box-shadow:0 4px 14px rgba(21,101,216,.35)}

.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--c-ink);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 面包屑 ============ */
.breadcrumb{padding:14px 24px;font-size:13px;color:var(--c-muted)}
.breadcrumb ol{display:flex;gap:8px;align-items:center}
.breadcrumb li:not(:last-child)::after{content:"/";margin-left:8px;color:var(--c-line)}
.breadcrumb a:hover{color:var(--c-primary)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 500px at 80% -10%,rgba(21,101,216,.10),transparent),
    linear-gradient(180deg,#f7faff 0%,#ffffff 100%);
  padding:64px 0 72px;
}
.hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero h1{
  font-size:46px;line-height:1.3;color:var(--c-ink);
  font-weight:800;letter-spacing:-.5px;margin-bottom:20px;
}
.hero-desc{font-size:17px;color:var(--c-text);max-width:600px;margin-bottom:28px}
.hero-desc strong{color:var(--c-ink)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stats li{display:flex;flex-direction:column}
.hero-stats strong{font-size:34px;color:var(--c-primary);font-weight:800;line-height:1}
.hero-stats span{font-size:13px;color:var(--c-muted);margin-top:6px}

.hero-visual{display:flex;justify-content:center}
.hero-card{
  width:100%;max-width:400px;border-radius:18px;overflow:hidden;
  background:var(--c-bg-dark);box-shadow:var(--shadow-lg);
  border:1px solid rgba(255,255,255,.06);
}
.hero-card-head{
  display:flex;align-items:center;gap:6px;padding:12px 16px;
  background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.06);
}
.hero-card-head small{margin-left:10px;color:#9fb3d1;font-size:12px}
.dot{width:11px;height:11px;border-radius:50%}
.dot.red{background:#ff5f57}.dot.yellow{background:#febc2e}.dot.green{background:#28c840}
.hero-card-body{padding:20px;font-family:"Consolas","Monaco",monospace;font-size:13px;color:#cfe0f7}
.code-line{padding:3px 0}
.code-line i{color:#7aa2ff;font-style:normal}
.indent{padding-left:22px;color:#9fd0ff}
.hero-card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}
.hero-card-tags span{
  font-family:"PingFang SC",sans-serif;font-size:12px;
  padding:4px 10px;border-radius:6px;background:rgba(0,194,168,.15);color:#5ff0d6;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 26px;border-radius:10px;font-size:15px;font-weight:600;
  transition:all .22s;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(21,101,216,.3)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(21,101,216,.4)}
.btn-outline{border:1.5px solid var(--c-primary);color:var(--c-primary);background:#fff}
.btn-outline:hover{background:var(--c-primary-light)}
.btn-lg{padding:15px 34px;font-size:16px}
.btn-block{width:100%}

/* ============ 信任条 ============ */
.trust-bar{background:var(--c-bg-dark);padding:22px 0}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{display:flex;align-items:center;gap:12px;color:#dde7f5}
.trust-item span{font-size:22px}
.trust-item strong{display:block;color:#fff;font-size:15px}
.trust-item small{color:#9fb3d1;font-size:12px}

/* ============ 通用 section ============ */
.section{padding:80px 0}
.section-alt{background:var(--c-bg-alt)}
.section-header,.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;
  color:var(--c-primary);background:var(--c-primary-light);
  padding:4px 12px;border-radius:6px;margin-bottom:14px;
}
.section-header h1,.section-head h2{font-size:36px;color:var(--c-ink);font-weight:800;letter-spacing:-.5px}
.section-header p,.section-sub{color:var(--c-muted);margin-top:12px;font-size:16px}
.section-title{font-size:36px;color:var(--c-ink);font-weight:800;letter-spacing:-.5px;text-align:center;margin-bottom:28px}

/* ============ 关于我们 ============ */
.about-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start}
.about-text h3{font-size:22px;color:var(--c-ink);margin-bottom:16px}
.about-text p{margin-bottom:16px;color:var(--c-text)}
.about-text strong{color:var(--c-ink)}
.about-aside{display:flex;flex-direction:column;gap:18px}
.value-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.value-card h4{font-size:16px;color:var(--c-ink);margin-bottom:8px}
.value-card p{font-size:14px;color:var(--c-text)}

.timeline{margin-top:56px}
.timeline-title{font-size:22px;color:var(--c-ink);text-align:center;margin-bottom:28px}
.timeline-list{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:tl;position:relative}
.timeline-list::before{
  content:"";position:absolute;top:14px;left:8%;right:8%;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.timeline-list li{position:relative;text-align:center;padding-top:38px}
.timeline-list strong{
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:30px;height:30px;line-height:30px;border-radius:50%;
  background:var(--c-primary);color:#fff;font-size:13px;
}
.timeline-list span{display:block;font-size:13px;color:var(--c-text);padding:0 8px}

/* ============ 服务卡片 ============ */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:30px;transition:all .25s;position:relative;
}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.service-card.highlight{background:linear-gradient(160deg,#0a1f3d,#16345e);border:none;color:#cfe0f7}
.service-card.highlight h3,.service-card.highlight .service-icon{color:#fff}
.service-icon{font-size:38px;margin-bottom:16px;line-height:1}
.service-card h3{font-size:20px;color:var(--c-ink);margin-bottom:12px}
.service-card p{font-size:14px;color:var(--c-text);margin-bottom:16px}
.service-card.highlight p{color:#aecbea}
.service-tags{display:flex;flex-wrap:wrap;gap:8px}
.service-tags li{
  font-size:12px;padding:3px 10px;border-radius:6px;
  background:var(--c-primary-light);color:var(--c-primary);
}
.service-card.highlight .service-tags li{background:rgba(255,255,255,.12);color:#9fd0ff}

.extra-services{margin-top:44px;text-align:center}
.extra-services h3{font-size:18px;color:var(--c-ink);margin-bottom:16px}
.extra-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.extra-list span{
  padding:8px 18px;border-radius:999px;background:#fff;border:1px solid var(--c-line);
  font-size:14px;color:var(--c-text);
}

/* ============ 核心优势 ============ */
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.adv-item{
  background:#fff;border-radius:var(--radius);padding:30px;
  border:1px solid var(--c-line);transition:.25s;position:relative;overflow:hidden;
}
.adv-item:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.adv-num{
  font-size:46px;font-weight:800;color:var(--c-primary-light);
  line-height:1;margin-bottom:8px;
}
.adv-item h3{font-size:19px;color:var(--c-ink);margin-bottom:8px}
.adv-item p{font-size:14px;color:var(--c-text)}

/* ============ 价格表 ============ */
.price-table-wrap{overflow-x:auto;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);border:1px solid var(--c-line)}
.price-table{width:100%;border-collapse:collapse;min-width:720px}
.price-table th,.price-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--c-line)}
.price-table thead th{background:var(--c-bg-dark);color:#fff;font-size:14px;font-weight:600}
.price-table tbody tr:hover{background:var(--c-primary-light)}
.price-table td strong{color:var(--c-primary)}
.price-note{text-align:center;color:var(--c-muted);font-size:13px;margin-top:16px}
.price-note a{color:var(--c-primary);font-weight:600}

/* ============ 案例 ============ */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--c-line);transition:.25s}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.case-cover{height:170px;display:flex;align-items:flex-end;padding:18px;position:relative}
.case-cover span{color:#fff;font-weight:600;font-size:14px;background:rgba(0,0,0,.25);padding:5px 12px;border-radius:6px;backdrop-filter:blur(4px)}
.case-1{background:linear-gradient(135deg,#1565d8,#0a1f3d)}
.case-2{background:linear-gradient(135deg,#00c2a8,#0a4a4a)}
.case-3{background:linear-gradient(135deg,#6d3df0,#2a1a5e)}
.case-body{padding:22px}
.case-body h3{font-size:18px;color:var(--c-ink);margin-bottom:10px}
.case-body p{font-size:14px;color:var(--c-text);margin-bottom:14px}
.case-tags{display:flex;flex-wrap:wrap;gap:8px}
.case-tags li{font-size:12px;padding:3px 10px;border-radius:6px;background:var(--c-primary-light);color:var(--c-primary)}

/* ============ 新闻 ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.news-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  padding:24px;transition:.25s;display:flex;flex-direction:column;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:transparent}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.news-meta time{font-size:13px;color:var(--c-muted)}
.news-cat,.cat-tag{font-size:12px;padding:2px 9px;border-radius:5px;background:var(--c-primary-light);color:var(--c-primary)}
.news-item h3{font-size:17px;color:var(--c-ink);margin-bottom:12px;line-height:1.5}
.news-item h3 a:hover{color:var(--c-primary)}
.news-item p{font-size:13px;color:var(--c-text);flex:1}
.tag-filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;padding:14px 18px;background:var(--c-bg-alt);border-radius:var(--radius-sm);border:1px solid var(--c-line)}
.tag-filter{display:inline-block;padding:7px 14px;border-radius:20px;font-size:13px;color:var(--c-text);background:#fff;border:1px solid var(--c-line);transition:all .2s}
.tag-filter:hover,.tag-filter.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ============ FAQ ============ */
.faq-list{max-width:840px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
  overflow:hidden;transition:.25s;
}
.faq-item[open]{border-color:var(--c-primary);box-shadow:var(--shadow)}
.faq-item summary{
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--c-primary);font-weight:400;transition:.25s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-answer{padding:0 24px 22px}
.faq-answer p{font-size:14px;color:var(--c-text)}
.faq-answer a{color:var(--c-primary);font-weight:600}

/* ============ 联系 ============ */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.contact-info h3,.contact-form-wrap h3{font-size:22px;color:var(--c-ink);margin-bottom:22px}
.contact-list{display:flex;flex-direction:column;gap:16px;margin-bottom:28px}
.contact-list li{display:flex;flex-direction:column;gap:4px;padding-bottom:14px;border-bottom:1px dashed var(--c-line)}
.ci-label{font-size:13px;color:var(--c-muted)}
.contact-list a,.contact-list strong{font-size:16px;color:var(--c-ink)}
.contact-list a:hover{color:var(--c-primary)}
.contact-cta{margin-top:8px}

.contact-form-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;color:var(--c-ink);font-weight:600;margin-bottom:8px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--c-line);border-radius:10px;
  background:#fff;color:var(--c-ink);transition:.2s;
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-light);
}
.form-row textarea{resize:vertical}
.form-tip{font-size:12px;color:var(--c-muted);margin-top:12px;text-align:center}

/* 表单提交状态提示 */
.form-status{margin-top:12px;padding:10px 14px;border-radius:6px;font-size:14px;text-align:center;animation:fadeIn .3s ease}
.form-status--success{background:#e8f5e9;color:#2e7d32;border:1px solid #c8e6c9}
.form-status--error{background:#fef0f0;color:#c62828;border:1px solid #ffe0e0}
@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}

/* 提交按钮禁用 */
button:disabled{opacity:.65;cursor:not-allowed}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-bg-dark);color:#9fb3d1;padding-top:60px}
.footer-inner{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand .logo img,.footer-brand .logo-color{height:32px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text small{color:#9fb3d1}
.footer-brand p{font-size:14px;margin-bottom:10px}
.footer-slogan{color:var(--c-accent)!important;font-size:14px!important}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:#9fb3d1}
.footer-col a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center}
.footer-bottom p{font-size:13px;color:#7d92b4;margin-bottom:6px}
.footer-filing{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;align-items:center}
.footer-filing a:hover{color:#fff}
.footer-filing span{color:#5a6f93}

/* ============ 悬浮按钮 ============ */
.float-call{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:56px;height:56px;border-radius:50%;
  background:var(--c-primary);color:#fff;font-size:24px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 24px rgba(21,101,216,.45);
  animation:pulse 2s infinite;
}
.float-call:hover{background:var(--c-primary-dark);transform:scale(1.08)}
@keyframes pulse{0%{box-shadow:0 8px 24px rgba(21,101,216,.45),0 0 0 0 rgba(21,101,216,.4)}70%{box-shadow:0 8px 24px rgba(21,101,216,.45),0 0 0 16px rgba(21,101,216,0)}100%{box-shadow:0 8px 24px rgba(21,101,216,.45),0 0 0 0 rgba(21,101,216,0)}}

/* ============ 响应式 ============ */
@media(max-width:980px){
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:32px}
  .hero-visual{order:-1}
  .about-grid,.contact-grid{grid-template-columns:1fr;gap:32px}
  .service-grid,.adv-grid,.case-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .trust-inner{grid-template-columns:repeat(2,1fr);gap:18px}
  .timeline-list{grid-template-columns:repeat(2,1fr);gap:24px}
  .timeline-list::before{display:none}
  .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:680px){
  .main-nav{
    position:fixed;top:calc(var(--header-h) + 38px);left:0;right:0;
    background:#fff;border-bottom:1px solid var(--c-line);
    max-height:0;overflow:hidden;transition:max-height .3s ease;
    box-shadow:0 12px 24px rgba(15,33,56,.08);
  }
  .main-nav.open{max-height:520px}
  .main-nav ul{flex-direction:column;padding:14px 24px;gap:2px}
  .main-nav a{padding:12px 10px;font-size:15px}
  .nav-toggle{display:flex}
  .topbar-inner{flex-direction:column;height:auto;padding:8px 24px;text-align:center;gap:6px}
  .topbar-contact{gap:14px}
  .section{padding:48px 0}
  .section-head h2{font-size:28px}
  .hero{padding:36px 0 44px}
  .hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .hero-stats{gap:16px}
  .hero-stats strong{font-size:26px}
  .service-grid,.adv-grid,.case-grid,.news-grid,.trust-inner,.footer-inner{grid-template-columns:1fr}
  .timeline-list{grid-template-columns:1fr}
  .breadcrumb{display:none}
  .footer-filing{flex-direction:column;gap:6px}
}

/* ============ 内页通用 ============ */
.page-banner{
  background:linear-gradient(135deg,#0a1f3d 0%,#16345e 60%,#1565d8 100%);
  color:#fff;padding:56px 0 48px;text-align:center;position:relative;overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(800px 300px at 80% 20%,rgba(0,194,168,.18),transparent);
}
.page-banner h1{font-size:34px;font-weight:800;letter-spacing:-.5px;position:relative}
.page-banner p{color:#aecbe8;margin-top:10px;font-size:15px;position:relative}
.page-banner .crumb{margin-top:18px;font-size:13px;color:#9fb3d1;position:relative}
.page-banner .crumb a{color:#cfe0f7}
.page-banner .crumb a:hover{color:#fff}

.page-section{padding:64px 0}
.page-section-alt{background:var(--c-bg-alt)}

/* ============ 栏目页布局 ============ */
.page-layout{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.page-content{min-width:0}
.page-aside{position:sticky;top:calc(var(--header-h) + 16px)}
.aside-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:22px;margin-bottom:18px;box-shadow:var(--shadow)}
.aside-card h4{font-size:16px;color:var(--c-ink);margin-bottom:14px;padding-bottom:12px;border-bottom:2px solid var(--c-primary-light)}
.aside-card ul{display:flex;flex-direction:column;gap:10px}
.aside-card li{font-size:14px}
.aside-card a{color:var(--c-text);display:block;padding:6px 0}
.aside-card a:hover{color:var(--c-primary)}
.aside-cta{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));color:#fff;text-align:center}
.aside-cta h4{color:#fff;border:none}
.aside-cta p{color:#cfe0f7;font-size:14px;margin-bottom:14px}
.aside-cta .btn{background:#fff;color:var(--c-primary);width:100%}
.aside-cta .btn:hover{background:#e8f1fe}

/* ============ 服务详情列表 ============ */
.service-detail-list{display:flex;flex-direction:column;gap:20px}
.service-detail-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.service-detail-item h3{font-size:20px;color:var(--c-ink);margin-bottom:8px;display:flex;align-items:center;gap:10px}
.service-detail-item h3 .num{color:var(--c-primary);font-size:14px;background:var(--c-primary-light);padding:2px 10px;border-radius:6px}
.service-detail-item .sd-desc{color:var(--c-text);margin-bottom:14px}
.service-detail-item h4{font-size:15px;color:var(--c-ink);margin:14px 0 8px}
.service-detail-item ul.bullets{display:flex;flex-direction:column;gap:6px}
.service-detail-item ul.bullets li{font-size:14px;color:var(--c-text);padding-left:20px;position:relative}
.service-detail-item ul.bullets li::before{content:"✓";position:absolute;left:0;color:var(--c-accent);font-weight:700}

/* ============ 新闻列表 ============ */
.news-list{display:flex;flex-direction:column;gap:0}
.news-list-item{
  display:grid;grid-template-columns:120px 1fr;gap:24px;
  padding:26px 0;border-bottom:1px solid var(--c-line);transition:.2s;
}
.news-list-item:first-child{padding-top:0}
.news-list-item:hover h3 a{color:var(--c-primary)}
.news-date{
  text-align:center;padding:14px 10px;border-radius:10px;
  background:var(--c-bg-alt);border:1px solid var(--c-line);
}
.news-date .day{font-size:26px;font-weight:800;color:var(--c-primary);line-height:1}
.news-date .ym{font-size:12px;color:var(--c-muted);margin-top:4px}
.news-list-body h3{font-size:18px;color:var(--c-ink);margin-bottom:8px;line-height:1.4}
.news-list-body h3 a:hover{color:var(--c-primary)}
.news-list-body .meta{font-size:13px;color:var(--c-muted);margin-bottom:8px;display:flex;gap:12px}
.news-list-body .meta .cat{color:var(--c-primary)}
.news-list-body p{font-size:14px;color:var(--c-text)}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px}
.pagination a,.pagination span{
  min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:8px;font-size:14px;color:var(--c-text);padding:0 12px;
}
.pagination a:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pagination .current{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* ============ 文章详情页 ============ */
.article{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:40px;box-shadow:var(--shadow)}
.article-header{border-bottom:1px solid var(--c-line);padding-bottom:24px;margin-bottom:28px}
.article-header .cat-tag{display:inline-block;font-size:12px;color:#fff;background:var(--c-primary);padding:3px 12px;border-radius:6px;margin-bottom:14px}
.article-header h1{font-size:30px;color:var(--c-ink);line-height:1.4;font-weight:800;margin-bottom:16px}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;color:var(--c-muted)}
.article-meta span,.article-meta time{display:inline-flex;align-items:center;gap:5px}

.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body h2{font-size:22px;color:var(--c-ink);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--c-primary);font-weight:700}
.article-body h3{font-size:18px;color:var(--c-ink);margin:24px 0 12px;font-weight:700}
.article-body p{margin-bottom:16px}
.article-body strong{color:var(--c-ink)}
.article-body ul,.article-body ol{margin:0 0 16px;padding-left:22px}
.article-body ul li,.article-body ol li{margin-bottom:8px}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body blockquote{
  background:var(--c-primary-light);border-left:4px solid var(--c-primary);
  padding:16px 20px;border-radius:0 8px 8px 0;margin:18px 0;color:var(--c-ink);
}
.article-body blockquote p{margin:0}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.article-body table th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left}
.article-body table th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:600}
.article-body table tr:nth-child(even){background:#fafcff}
.article-body img{border-radius:10px;margin:18px 0}
.article-body a{color:var(--c-primary);text-decoration:underline}
.article-body .callout{
  background:linear-gradient(135deg,#fff8e6,#fff);border:1px solid #ffe69b;
  border-radius:10px;padding:16px 20px;margin:18px 0;color:#7a5b00;
}
.article-body .callout strong{color:#5a4200}

.article-footer{margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line);display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.article-tags{display:flex;flex-wrap:wrap;gap:8px}
.article-tags a{font-size:13px;padding:5px 12px;border-radius:6px;background:var(--c-bg-alt);color:var(--c-text);border:1px solid var(--c-line)}
.article-tags a:hover{background:var(--c-primary-light);color:var(--c-primary);border-color:var(--c-primary)}
.article-share{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted)}

.article-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.article-nav a{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:18px 22px;transition:.2s}
.article-nav a:hover{border-color:var(--c-primary);box-shadow:var(--shadow)}
.article-nav .nav-label{font-size:12px;color:var(--c-muted);margin-bottom:4px}
.article-nav .nav-title{font-size:14px;color:var(--c-ink);font-weight:600}
.article-nav .next{text-align:right}

/* 相关推荐 */
.related{margin-top:36px}
.related h3{font-size:18px;color:var(--c-ink);margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.related-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);padding:18px;transition:.2s}
.related-card:hover{border-color:var(--c-primary);box-shadow:var(--shadow)}
.related-card h4{font-size:14px;color:var(--c-ink);line-height:1.5;margin-bottom:8px}
.related-card h4 a:hover{color:var(--c-primary)}
.related-card time{font-size:12px;color:var(--c-muted)}

/* ============ FAQ 页扩展 ============ */
.faq-category{margin-bottom:36px}
.faq-category h3{font-size:18px;color:var(--c-ink);margin-bottom:14px;padding-bottom:8px;border-bottom:2px solid var(--c-primary-light)}

/* ============ 案例详情 ============ */
.case-detail-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.case-detail-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s}
.case-detail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.case-detail-card .cover{height:180px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:40px}
.case-detail-card .body{padding:24px}
.case-detail-card h3{font-size:18px;color:var(--c-ink);margin-bottom:10px}
.case-detail-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.case-detail-card .tags span{font-size:12px;padding:3px 10px;border-radius:6px;background:var(--c-primary-light);color:var(--c-primary)}
.case-detail-card p{font-size:14px;color:var(--c-text);margin-bottom:14px}
.case-detail-card .result{background:var(--c-bg-alt);border-radius:8px;padding:12px 16px;font-size:13px;color:var(--c-text)}
.case-detail-card .result strong{color:var(--c-accent)}

/* ============ 响应式补充 ============ */
@media(max-width:980px){
  .page-layout{grid-template-columns:1fr}
  .page-aside{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .case-detail-list{grid-template-columns:1fr}
}
@media(max-width:680px){
  .page-banner{padding:36px 0 32px}
  .page-banner h1{font-size:26px}
  .article{padding:20px 16px}
  .article-header h1{font-size:24px}
  .article-body{font-size:16px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:18px}
  .news-list-item{grid-template-columns:80px 1fr;gap:16px}
  .news-date .day{font-size:20px}
  .related-grid{grid-template-columns:1fr}
  .article-nav{grid-template-columns:1fr}
  .article-nav .next{text-align:left}
}

/* ======== 关键词云 ======== */
.keywords-cloud{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;max-width:860px;margin:0 auto}
.kw-tag{display:inline-block;padding:10px 20px;background:#f0f4fa;color:var(--c-primary);border-radius:30px;font-size:15px;text-decoration:none;transition:all .25s;border:1px solid transparent}
.kw-tag:hover{background:var(--c-primary);color:#fff;transform:translateY(-2px);box-shadow:0 6px 20px rgba(21,101,216,.2)}
.kw-tag.kw-hot{background:#e8f0fe;font-weight:600;font-size:16px;padding:12px 24px;color:#0d47a1}

/* ======== 新闻标签栏 ======== */
.news-tags-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:24px;padding:12px 0}
.news-tags-bar span{color:var(--c-text-light);font-size:14px}
.news-tags-bar .tag{display:inline-block;padding:6px 16px;background:#f5f5f5;border-radius:20px;font-size:13px;color:var(--c-text);text-decoration:none;transition:all .2s}
.news-tags-bar .tag:hover,.news-tags-bar .tag.active{background:var(--c-primary);color:#fff}

/* ======== 相关服务推荐 ======== */
.related-services{margin-top:40px;padding:28px;background:#f8fafd;border-radius:12px;border:1px solid #e0e8f0}
.related-services h3{font-size:17px;color:var(--c-primary);margin-bottom:16px;text-align:center}
.rs-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:12px}
.rs-card{display:flex;flex-direction:column;padding:16px;background:#fff;border-radius:8px;text-decoration:none;border:1px solid #e8e8e8;transition:all .2s}
.rs-card:hover{border-color:var(--c-primary);box-shadow:0 4px 12px rgba(21,101,216,.1)}
.rs-card strong{font-size:15px;color:var(--c-primary);margin-bottom:6px}
.rs-card span{font-size:13px;color:var(--c-text-light)}

/* ======== 服务地区 ======== */
.area-tag{display:inline-block;padding:7px 16px;background:#e8f0fe;color:var(--c-primary);border-radius:18px;font-size:13px;font-weight:500}

@media (max-width:768px) {
  .keywords-cloud{gap:8px}
  .kw-tag{padding:8px 16px;font-size:14px}
  .kw-tag.kw-hot{font-size:14px;padding:10px 18px}
}

/* ======== 友情链接 ======== */
.friend-links{padding:32px 0 24px;border-top:1px solid rgba(255,255,255,.08)}
.friend-links h4{color:#fff;font-size:15px;margin-bottom:14px}
.friend-links-inner{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.friend-link-item{
  display:flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:8px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  color:#9fb3d1;font-size:13px;text-decoration:none;
  transition:all .2s;
}
.friend-link-item:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.2)}
.friend-link-item img{width:20px;height:20px;object-fit:contain;border-radius:4px;background:#fff;padding:1px}
.friend-link-item span{white-space:nowrap}

/* 移动端适配 */
@media (max-width:680px) {
  .friend-links-inner{gap:10px}
  .friend-link-item{font-size:12px;padding:5px 10px}
}