/* roulang page: index */
:root{
  --brand:#1B4F8A;
  --brand-dark:#123A66;
  --brand-light:#E8F1FB;
  --accent:#FF7A2F;
  --accent-dark:#E8631B;
  --teal:#14B8A6;
  --teal-light:#E4F7F5;
  --danger:#D64545;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --line:#E3EAF3;
  --text:#1C2B3A;
  --muted:#5A6B7D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --shadow-sm:0 2px 8px rgba(18,58,102,.06);
  --shadow-md:0 8px 24px rgba(18,58,102,.08);
  --shadow-lg:0 16px 40px rgba(18,58,102,.12);
  --bs-primary:#1B4F8A;
  --bs-secondary:#5A6B7D;
  --bs-body-bg:#F5F8FC;
  --bs-body-color:#1C2B3A;
  --bs-border-color:#E3EAF3;
  --bs-border-radius:14px;
  --bs-font-sans-serif:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-link-color:#1B4F8A;
  --bs-link-hover-color:#123A66;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text);}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
.container{max-width:1200px;padding-left:16px;padding-right:16px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,79,138,.25);border-radius:6px;}

/* ---------- 顶部活动条 ---------- */
.topbar{
  background:linear-gradient(90deg,var(--brand-dark),var(--brand) 60%,#1F5C9E);
  color:#fff;
  font-size:13px;
  padding:8px 0;
}
.topbar__inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.topbar__dot{
  width:8px;height:8px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 4px rgba(20,184,166,.22);
  flex:0 0 auto;
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
.topbar__label{font-weight:600;letter-spacing:.3px;}
.topbar__clock{
  margin-left:auto;
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  border-radius:999px;
  padding:2px 12px;
  font-variant-numeric:tabular-nums;
}
.topbar__clock b{color:#FFD8BF;font-weight:700;letter-spacing:1px;}
.topbar__close{
  background:none;border:0;color:rgba(255,255,255,.75);
  cursor:pointer;padding:2px 4px;line-height:1;font-size:14px;
}
.topbar__close:hover{color:#fff;}
@media(max-width:767.98px){.topbar{display:none;}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm);background:#fff;}
.nav-shell{
  display:flex;align-items:center;gap:20px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:32px;height:32px;border-radius:9px;
  background:linear-gradient(135deg,var(--brand),#2C74C0);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;box-shadow:var(--shadow-sm);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:17px;font-weight:800;color:var(--brand-dark);letter-spacing:.2px;}
.brand__sub{font-size:11px;color:var(--muted);letter-spacing:1.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  display:block;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:#33475C;position:relative;
}
.nav-links a:hover{background:var(--brand-light);color:var(--brand);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-light);
  border-radius:999px;padding:5px 12px;
}
.status-badge i{font-size:7px;color:var(--teal);}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--line);
  border-radius:10px;width:42px;height:42px;color:var(--brand-dark);
}
.btn-brand{
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:999px;padding:10px 22px;font-weight:600;font-size:15px;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-brand:hover{background:#16416F;border-color:#16416F;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-outline-brand{
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);
  border-radius:999px;padding:10px 22px;font-weight:600;font-size:15px;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  display:inline-flex;align-items:center;gap:8px;
}
.btn-outline-brand:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-ghost{
  background:none;border:0;color:var(--brand);font-weight:600;padding:6px 0;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-ghost .arrow{transition:transform .18s ease;}
.btn-ghost:hover .arrow{transform:translateX(4px);}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:14px 16px 20px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:10px;font-weight:600;color:#33475C;
}
.mobile-drawer a:hover{background:var(--brand-light);color:var(--brand);}
.mobile-drawer .btn-brand{width:100%;justify-content:center;margin-top:10px;}
@media(max-width:991.98px){
  .nav-links,.nav-actions .status-badge,.nav-actions .btn-brand{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-shell{height:64px;gap:12px;}
}
@media(max-width:575.98px){
  .brand__sub{display:none;}
}

/* ---------- 通用区块 ---------- */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section--soft{background:#fff;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:34px;flex-wrap:wrap;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1.5px;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}
.section-title{font-size:28px;font-weight:800;letter-spacing:.2px;}
.section-title span{color:var(--brand);}
.section-sub{color:var(--muted);font-size:15px;margin-top:8px;max-width:640px;}
@media(max-width:767.98px){
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .section-title{font-size:22px;}
  .section-head{margin-bottom:24px;}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(760px 380px at 88% 8%,rgba(255,122,47,.10),transparent 62%),
    radial-gradient(680px 360px at 8% 92%,rgba(27,79,138,.10),transparent 60%),
    linear-gradient(180deg,#F8FBFF,#F1F6FC);
  padding:64px 0 56px;
  border-bottom:1px solid var(--line);
}
.hero__grid{display:grid;grid-template-columns:6fr 6fr;gap:44px;align-items:center;}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:600;color:var(--brand);
  box-shadow:var(--shadow-sm);margin-bottom:18px;
}
.hero__badge i{color:var(--accent);}
.hero h1{
  font-size:40px;font-weight:800;line-height:1.25;letter-spacing:-.2px;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:8px;
  background:rgba(255,122,47,.22);border-radius:4px;z-index:-1;
}
.hero__lead{margin-top:18px;font-size:16px;color:#3C4E61;max-width:560px;}
.hero__cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;}
.hero__countdown{
  margin-top:26px;display:inline-flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:12px;padding:12px 18px;box-shadow:var(--shadow-sm);
}
.hero__countdown .label{font-size:13px;color:var(--muted);display:block;}
.hero__countdown .value{font-size:20px;font-weight:800;color:var(--accent);letter-spacing:1px;font-variant-numeric:tabular-nums;}
.hero__trust{
  display:flex;gap:26px;flex-wrap:wrap;margin-top:30px;
  padding-top:22px;border-top:1px dashed var(--line);
}
.hero__trust li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);}
.hero__trust i{color:var(--teal);}
.hero__media{position:relative;}
.hero__media img{
  width:100%;border-radius:16px;box-shadow:var(--shadow-lg);object-fit:cover;
  aspect-ratio:4/3;
}
.hero__float{
  position:absolute;left:-14px;bottom:20px;
  background:#fff;border-radius:12px;box-shadow:var(--shadow-md);
  padding:12px 16px;display:flex;align-items:center;gap:10px;border:1px solid var(--line);
}
.hero__float .dot{width:8px;height:8px;border-radius:50%;background:var(--teal);}
.hero__float span{font-size:13px;font-weight:600;color:var(--brand-dark);}
@media(max-width:991.98px){
  .hero__grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:32px;}
  .hero__media{order:-1;}
  .hero__float{left:12px;}
  .hero{padding:40px 0;}
}
@media(max-width:575.98px){
  .hero h1{font-size:28px;}
  .hero__cta .btn-brand,.hero__cta .btn-outline-brand{width:100%;justify-content:center;}
  .hero__trust{gap:14px;}
}

/* ---------- 指标看板 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--shadow-sm);position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.metric::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand);}
.metric--accent::before{background:var(--accent);}
.metric--teal::before{background:var(--teal);}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);}
.metric__value{font-size:40px;font-weight:800;color:var(--brand-dark);letter-spacing:-1px;line-height:1;font-variant-numeric:tabular-nums;}
.metric__value small{font-size:15px;font-weight:700;color:var(--muted);margin-left:4px;}
.metric__label{margin-top:10px;font-size:14px;color:var(--muted);}
.metric__trend{margin-top:12px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:6px;}
.trend-up{color:var(--teal);}
.trend-flat{color:#8A98A8;}
@media(max-width:991.98px){.metrics{grid-template-columns:repeat(2,1fr);}}
@media(max-width:575.98px){
  .metrics{gap:14px;}
  .metric{padding:16px;}
  .metric__value{font-size:32px;}
  .metric__label{font-size:13px;}
}

/* ---------- 最新信息卡片 ---------- */
.news-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-sm);height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE0F2;}
.news-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.news-card__link:hover{color:inherit;}
.news-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__badge{
  position:absolute;top:12px;left:12px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:700;
  padding:4px 10px;border-radius:6px;letter-spacing:.3px;
  max-width:calc(100% - 24px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.news-card__body{padding:20px;display:flex;flex-direction:column;flex:1;}
.news-card__title{
  font-size:18px;font-weight:700;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:52px;
}
.news-card__desc{
  margin-top:10px;font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__meta{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.news-card__more{color:var(--brand);font-weight:600;display:flex;align-items:center;gap:6px;}
.news-card:hover .news-card__more{color:var(--accent);}
.empty-state{
  background:#fff;border:1px dashed #CFDCEC;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.empty-state__icon{
  width:56px;height:56px;border-radius:16px;background:var(--brand-light);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:22px;margin:0 auto 16px;
}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px;}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.matrix-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  display:flex;flex-direction:column;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(27,79,138,.28);}
.matrix-card__icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-light);
  color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:20px;
  margin-bottom:18px;
}
.matrix-card h3{font-size:19px;}
.matrix-card p{margin-top:10px;font-size:14.5px;color:var(--muted);}
.matrix-card ul{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.matrix-card li{display:flex;gap:9px;font-size:14px;color:#3C4E61;line-height:1.7;}
.matrix-card li i{color:var(--teal);font-size:13px;margin-top:5px;}
.matrix-card .btn-ghost{margin-top:auto;padding-top:18px;}
@media(max-width:767.98px){.matrix{grid-template-columns:1fr;gap:16px;}}

/* ---------- 结果对比 ---------- */
.compare-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-sm);overflow:hidden;}
.compare-table{width:100%;border-collapse:collapse;}
.compare-table th,.compare-table td{padding:0 20px;height:48px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--line);}
.compare-table thead th{
  background:#F7FAFE;font-size:13px;font-weight:700;color:var(--muted);
  letter-spacing:.5px;height:52px;
}
.compare-table thead th:last-child{color:var(--brand);}
.compare-table tr:last-child td{border-bottom:0;}
.compare-table tbody tr:nth-child(odd){background:#FCFDFF;}
.compare-table .diff{background:#FFF4EC;box-shadow:inset 3px 0 0 var(--accent);font-weight:600;color:var(--brand-dark);}
.progress-block{margin-top:26px;display:flex;flex-direction:column;gap:18px;}
.progress-item__head{display:flex;justify-content:space-between;font-size:14px;font-weight:600;margin-bottom:8px;}
.progress-item__head span:last-child{color:var(--brand);font-variant-numeric:tabular-nums;}
.progress-track{height:8px;border-radius:999px;background:#E9F0F8;overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:var(--brand);transition:width 1s ease;}
.progress-fill--teal{background:var(--teal);}
.progress-fill--accent{background:var(--accent);}
.compare-scroll{overflow-x:auto;}
@media(max-width:767.98px){
  .compare-table{min-width:560px;}
  .compare-table th,.compare-table td{padding:0 14px;}
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-sm);overflow:hidden;position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFE0F2;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  padding:20px 56px 20px 24px;font-size:16.5px;font-weight:700;color:var(--text);
  cursor:pointer;position:relative;
}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-q::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--muted);transition:transform .25s ease,color .25s ease;
}
.faq-item.is-open .faq-q::after{transform:translateY(-50%) rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a__inner{padding:0 56px 22px 24px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- 表单 ---------- */
.lead-section{background:linear-gradient(180deg,#F1F6FC,#F7FAFE);}
.lead-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:start;}
.lead-info h2{font-size:28px;}
.lead-info p{margin-top:14px;color:var(--muted);font-size:15px;}
.lead-points{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.lead-points li{display:flex;gap:12px;font-size:14.5px;color:#3C4E61;}
.lead-points i{
  width:26px;height:26px;border-radius:8px;background:var(--brand-light);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:12px;flex:0 0 auto;margin-top:2px;
}
.lead-contact{
  margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--shadow-sm);
}
.lead-contact .rowline{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--muted);}
.lead-contact .rowline + .rowline{margin-top:10px;}
.lead-contact i{color:var(--accent);}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--shadow-md);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13.5px;font-weight:600;color:#33475C;margin-bottom:8px;}
.field .req{color:var(--accent);margin-left:2px;}
.form-control,.form-select{
  width:100%;border:1px solid var(--line);border-radius:var(--r-input);
  padding:11px 14px;font-size:14.5px;background:#fff;color:var(--text);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.form-control::placeholder{color:#9DABB9;}
.form-control:focus,.form-select:focus{
  border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,79,138,.14);outline:none;
}
.field.has-error .form-control,.field.has-error .form-select{border-color:var(--danger);}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:var(--danger);}
.field.has-error .err{display:block;}
.checkbox-line{display:flex;align-items:flex-start;gap:10px;font-size:13.5px;color:var(--muted);}
.checkbox-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--brand);}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;}
.form-success{
  display:none;background:var(--teal-light);border:1px solid #9FE3DC;
  border-radius:var(--r-input);padding:12px 16px;font-size:14px;color:#0E7D72;
  margin-bottom:18px;
}
.form-success.is-visible{display:block;}
@media(max-width:991.98px){
  .lead-grid{grid-template-columns:1fr;gap:28px;}
}
@media(max-width:575.98px){
  .form-row{grid-template-columns:1fr;}
  .form-card{padding:22px;}
}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:linear-gradient(120deg,var(--brand-dark),var(--brand) 70%,#2568AD);
  border-radius:16px;padding:38px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-lg);flex-wrap:wrap;
}
.cta-bar h2{color:#fff;font-size:24px;}
.cta-bar p{color:rgba(255,255,255,.82);font-size:14.5px;margin-top:8px;}
.cta-bar .btn-accent{
  background:var(--accent);border:1px solid var(--accent);color:#fff;
  border-radius:999px;padding:12px 26px;font-weight:700;
  transition:transform .18s ease,background .18s ease;
}
.cta-bar .btn-accent:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-2px);}
@media(max-width:767.98px){.cta-bar{padding:28px 22px;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:rgba(255,255,255,.78);padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.4px;}
.site-footer .brand__name{color:#fff;}
.site-footer .brand__sub{color:rgba(255,255,255,.5);}
.footer-about{font-size:13.8px;line-height:1.9;color:rgba(255,255,255,.66);margin-top:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:46px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--accent);}
@media(max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media(max-width:575.98px){.footer-grid{grid-template-columns:1fr;}}

/* roulang page: article */
:root{
  --brand:#1B4F8A;
  --brand-dark:#123A66;
  --brand-light:#E8F1FB;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E8;
  --teal:#14B8A6;
  --teal-soft:#E4F7F4;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E3EAF3;
  --text:#1C2B3A;
  --muted:#5A6B7D;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-input:10px;
  --radius-img:12px;
  --shadow-sm:0 2px 8px rgba(18,58,102,.06);
  --shadow-md:0 8px 24px rgba(18,58,102,.08);
  --shadow-lg:0 16px 40px rgba(18,58,102,.12);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --bs-primary:#1B4F8A;
  --bs-primary-rgb:27,79,138;
  --bs-body-bg:#F5F8FC;
  --bs-body-color:#1C2B3A;
  --bs-border-color:#E3EAF3;
  --bs-border-radius:10px;
  --bs-body-font-family:var(--font-sans);
  --bs-link-color:#1B4F8A;
  --bs-link-hover-color:#123A66;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em;color:var(--brand-dark)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,79,138,.25);border-radius:6px}
.container{max-width:1200px;padding-left:20px;padding-right:20px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.nav-shell{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:var(--shadow-sm);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__name{font-size:17px;font-weight:700;color:var(--brand-dark);letter-spacing:.02em}
.brand__sub{font-size:10px;letter-spacing:.18em;color:var(--muted);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;flex:1 1 auto}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 14px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;color:#33465c;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:var(--brand-light);color:var(--brand-dark)}
.nav-links a.active{color:var(--brand-dark)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:999px;
  background:var(--teal-soft);color:#0f7b70;
  font-size:12.5px;font-weight:600;
}
.status-badge i{font-size:7px;color:var(--teal)}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--brand);color:#fff!important;
  font-size:14.5px;font-weight:600;border:0;
  box-shadow:var(--shadow-sm);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-brand:hover{background:#17457a;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--border);background:#fff;color:var(--brand-dark);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{background:var(--brand-light)}

/* ============ 通用组件 ============ */
.section{padding:56px 0}
.section-head{margin-bottom:28px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-head h2{font-size:26px}
.section-head p{color:var(--muted);font-size:14.5px;margin-top:6px}
.ghost-link{font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.ghost-link i{transition:transform .2s ease}
.ghost-link:hover i{transform:translateX(4px)}

/* ============ 面包屑 & 文章头 ============ */
.breadcrumb-bar{
  padding:20px 0 0;
  font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.breadcrumb-bar a{color:var(--muted)}
.breadcrumb-bar a:hover{color:var(--brand)}
.breadcrumb-bar .sep{color:#b7c4d3;font-size:11px}
.breadcrumb-bar .cur{color:var(--brand-dark);font-weight:600}

.article-hero{padding:20px 0 8px}
.article-hero__inner{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:32px 34px;
}
.cat-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:6px;
  background:var(--brand-light);color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.cat-chip--accent{background:var(--accent-soft);color:#c9551a}
.article-hero h1{
  font-size:36px;line-height:1.32;margin:16px 0 14px;
  max-width:900px;
}
.article-hero .lead{
  font-size:16px;color:#3b4d61;line-height:1.85;max-width:820px;
  padding-bottom:18px;border-bottom:1px dashed var(--border);
}
.meta-row{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:16px;font-size:13.5px;color:var(--muted);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.meta-row i{color:var(--brand)}

/* ============ 文章布局 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;padding:36px 0 8px}
.article-main{min-width:0}
.article-body{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:36px 40px;max-width:800px;
}
.article-body h2{
  font-size:23px;margin:1.9em 0 .7em;padding-left:16px;position:relative;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:.9em;
  border-radius:2px;background:var(--brand);
}
.article-body h3{font-size:18.5px;margin:1.6em 0 .6em;color:var(--brand-dark)}
.article-body p{font-size:16.5px;line-height:1.9;color:#28394c;margin-bottom:1.2em}
.article-body ul,.article-body ol{margin:0 0 1.3em 0;padding-left:2px}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:22px;margin-bottom:.6em;
  font-size:16px;line-height:1.85;color:#31445a;
}
.article-body ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:6px;height:6px;
  border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:li}
.article-body ol li{counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.15em;
  width:18px;height:18px;border-radius:5px;background:var(--brand-light);
  color:var(--brand);font-size:11px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:4px solid var(--brand);
  background:var(--brand-light);border-radius:0 var(--radius-btn) var(--radius-btn) 0;
  color:#22405f;font-size:15.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{margin:1.6em 0;border-radius:var(--radius-img);box-shadow:var(--shadow-sm)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:-.8em}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;
  font-size:15px;border:1px solid var(--border);border-radius:var(--radius-btn);
  overflow:hidden;
}
.article-body th{
  background:var(--brand-light);color:var(--brand-dark);
  text-align:left;font-weight:700;padding:12px 14px;font-size:14.5px;
  border-bottom:1px solid var(--border);
}
.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--border);color:#31445a;
}
.article-body tbody tr:nth-child(even){background:#f8fafd}
.article-body tbody tr:last-child td{border-bottom:0}
.article-body pre{
  background:#f3f7fc;border:1px solid var(--border);border-radius:var(--radius-btn);
  padding:16px 18px;overflow-x:auto;font-size:13.5px;line-height:1.7;margin:1.5em 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#22405f;
}
.article-body code{
  background:#eef4fb;border-radius:6px;padding:2px 6px;font-size:13.5px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:#0f3a63;
}
.article-body pre code{background:none;padding:0}
.article-body strong{color:var(--brand-dark)}

/* ============ 空态 ============ */
.empty-state{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:64px 24px;text-align:center;max-width:800px;
}
.empty-state i{font-size:34px;color:#c3d2e3;margin-bottom:16px;display:block}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:20px}
.empty-state .btn-brand{display:inline-flex}

/* ============ 侧栏 ============ */
.article-side{position:relative}
.side-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:20px 22px;position:sticky;top:88px;margin-bottom:20px;
}
.side-card h3{
  font-size:15px;display:flex;align-items:center;gap:8px;
  padding-bottom:12px;margin-bottom:14px;border-bottom:1px solid var(--border);
}
.side-card h3 i{color:var(--accent);font-size:14px}
.toc-list li{margin-bottom:6px}
.toc-list a{
  display:block;font-size:14px;color:#3b4d61;padding:7px 10px;
  border-radius:8px;border-left:2px solid transparent;
  transition:all .2s ease;line-height:1.5;
}
.toc-list a:hover{background:var(--brand-light);color:var(--brand-dark);border-left-color:var(--brand)}
.toc-list a.is-current{background:var(--brand-light);color:var(--brand-dark);border-left-color:var(--brand);font-weight:600}
.toc-empty{font-size:13.5px;color:var(--muted)}
.hot-list li{padding:11px 0;border-bottom:1px dashed var(--border)}
.hot-list li:last-child{border-bottom:0;padding-bottom:0}
.hot-list a{font-size:14px;color:#33465c;line-height:1.6;display:block}
.hot-list a:hover{color:var(--brand)}
.hot-list .hot-meta{font-size:12px;color:var(--muted);margin-top:4px;display:flex;gap:10px}
.hot-list .hot-meta b{color:var(--accent);font-weight:700}

/* ============ 标签行 ============ */
.tag-row{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin:26px 0 0;padding-top:22px;border-top:1px dashed var(--border);
}
.tag-row__label{font-size:13px;color:var(--muted);font-weight:600}
.tag-chip{
  display:inline-block;padding:6px 13px;border-radius:999px;
  background:#eef4fb;color:#3d5a7a;font-size:13px;font-weight:600;
  border:1px solid #e0eaf6;transition:all .2s ease;
}
.tag-chip:hover{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-sm);height:100%;
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d6e3f2}
.news-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#eaf1f9}
.news-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__badge{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 10px;border-radius:6px;background:var(--brand);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.news-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.news-card__body h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.news-card__body h3 a{color:var(--brand-dark)}
.news-card__body h3 a:hover{color:var(--brand)}
.news-card__excerpt{
  font-size:14px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);padding-top:14px;border-top:1px solid var(--border);
}
.news-card__foot i{color:var(--brand);transition:transform .2s ease}
.news-card:hover .news-card__foot i{transform:translateX(4px)}

/* ============ 上下篇 ============ */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav a{
  display:flex;align-items:center;gap:12px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:16px 20px;box-shadow:var(--shadow-sm);transition:all .2s ease;
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:#d6e3f2}
.post-nav .pn-ico{
  width:36px;height:36px;border-radius:10px;background:var(--brand-light);
  color:var(--brand);display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.post-nav .pn-txt small{display:block;font-size:12px;color:var(--muted)}
.post-nav .pn-txt b{font-size:14.5px;color:var(--brand-dark);font-weight:600}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:18px;
  background:linear-gradient(120deg,#123A66 0%,#1B4F8A 58%,#23639f 100%);
  color:#fff;padding:40px 44px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;
  border-radius:50%;background:rgba(255,122,47,.16);
}
.cta-band__txt{position:relative;z-index:2;max-width:640px}
.cta-band h2{color:#fff;font-size:25px;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.82);font-size:14.5px;line-height:1.8}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
.btn-accent{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;border:0;
  background:var(--accent);color:#fff!important;font-size:15px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,122,47,.28);
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:#f06a1c;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,122,47,.34)}
.btn-ghost-light{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1.5px solid rgba(255,255,255,.5);
  color:#fff!important;font-size:15px;font-weight:600;
  transition:background .2s ease,transform .2s ease;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.2);transform:translateY(-1px)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:64px;background:var(--brand-dark);color:#d5e2f0;
  padding:56px 0 24px;font-size:14px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.site-footer .brand__name{color:#fff}
.site-footer .brand__sub{color:rgba(213,226,240,.62)}
.site-footer .brand__mark{background:linear-gradient(135deg,#2f74b8,#1B4F8A)}
.footer-about{margin-top:16px;color:rgba(213,226,240,.78);line-height:1.85;font-size:13.5px;max-width:340px}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:rgba(213,226,240,.82);font-size:13.5px}
.footer-links a:hover{color:var(--accent)}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact li{display:flex;gap:10px;font-size:13.5px;color:rgba(213,226,240,.8);line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:12px;flex:0 0 auto}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(213,226,240,.62);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:28px}
  .article-hero h1{font-size:32px}
}
@media (max-width:991.98px){
  .nav-shell{min-height:64px;gap:14px;flex-wrap:wrap;padding:8px 0}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:fixed;left:0;right:0;top:64px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;padding:14px 20px 20px;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);
    display:none;
  }
  .nav-links.is-open{display:flex}
  .nav-links a{padding:11px 12px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:var(--brand-light)}
  .status-badge{display:none}
  .nav-actions{margin-left:auto}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .article-side{order:2}
  .side-card{position:static}
  .article-body{padding:28px 24px;max-width:none}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:32px 26px}
}
@media (max-width:767.98px){
  .section{padding:44px 0}
  .article-hero__inner{padding:24px 20px}
  .article-hero h1{font-size:27px}
  .article-hero .lead{font-size:15px}
  .article-body h2{font-size:20px}
  .article-body p{font-size:16px}
  .section-head h2{font-size:22px}
  .cta-band h2{font-size:21px}
  .post-nav{grid-template-columns:1fr}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .brand__name{font-size:15.5px}
  .btn-brand{padding:9px 15px;font-size:13.5px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-hero h1{font-size:23px}
  .article-body{padding:22px 18px}
  .cta-band{padding:26px 20px;border-radius:14px}
}

/* roulang page: category1 */
:root{
  --brand:#1B4F8A;
  --brand-dark:#123A66;
  --brand-light:#E8F1FB;
  --accent:#FF7A2F;
  --accent-soft:#FFF1E8;
  --teal:#14B8A6;
  --teal-soft:#E6F7F5;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E3EAF3;
  --text:#1C2B3A;
  --muted:#5A6B7D;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-sm:0 2px 8px rgba(18,58,102,.06);
  --shadow-md:0 8px 24px rgba(18,58,102,.08);
  --shadow-lg:0 16px 40px rgba(18,58,102,.12);
  --bs-primary:#1B4F8A;
  --bs-body-bg:#F5F8FC;
  --bs-body-color:#1C2B3A;
  --bs-border-radius:14px;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-head{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-head.is-scrolled{background:#fff;box-shadow:var(--shadow-sm)}
.nav-shell{
  max-width:1200px;margin:0 auto;padding:0 20px;height:72px;
  display:flex;align-items:center;gap:26px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand__mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  color:#fff;font-size:16px;background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  box-shadow:var(--shadow-sm);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:16px;font-weight:700;color:var(--brand-dark);letter-spacing:.01em}
.brand__sub{font-size:10px;letter-spacing:.16em;font-weight:600;color:var(--muted)}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--muted);
}
.nav-links a:hover{color:var(--brand);background:var(--brand-light)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--brand);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:#0f8b7f;background:var(--teal-soft);
  padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.status-badge i{font-size:6px}
.btn-brand{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:999px;box-shadow:var(--shadow-sm);
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
  border:0;cursor:pointer;white-space:nowrap;
}
.btn-brand:hover{background:#164274;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-brand:focus-visible{outline:3px solid rgba(27,79,138,.25);outline-offset:2px}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--border);
  background:#fff;border-radius:10px;color:var(--brand-dark);font-size:16px;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- 面包屑与页头 ---------- */
.page-hero{
  position:relative;padding:34px 0 46px;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
}
.page-hero::before{
  content:"";position:absolute;right:-160px;top:-240px;width:560px;height:560px;
  background:radial-gradient(circle,rgba(27,79,138,.11),transparent 68%);
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;left:-120px;bottom:-260px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,122,47,.10),transparent 68%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;flex-wrap:wrap}
.crumbs a:hover{color:var(--brand)}
.crumbs i{font-size:9px;opacity:.55}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--accent);background:var(--accent-soft);padding:5px 12px;border-radius:999px;
  margin-bottom:16px;
}
.page-hero h1{font-size:40px;max-width:840px;margin-bottom:16px}
.page-hero .lede{font-size:16px;color:var(--muted);max-width:800px;margin-bottom:26px}
.pill-row{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:thin}
.pill-row::-webkit-scrollbar{height:6px}
.pill-row::-webkit-scrollbar-thumb{background:#CBD9E8;border-radius:999px}
.pill{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;border:1px solid var(--border);
  background:#fff;color:var(--muted);font-size:14px;font-weight:500;cursor:pointer;
  transition:.2s ease;white-space:nowrap;
}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:var(--shadow-sm)}
.pill:focus-visible{outline:3px solid rgba(27,79,138,.25);outline-offset:2px}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0}
.section--flush{padding-top:20px}
.sec-head{margin-bottom:26px}
.sec-head h2{font-size:28px}
.sec-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:760px}
.grid-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;flex-wrap:wrap}
.grid-head h2{font-size:24px}
.grid-head .meta{font-size:13px;color:var(--muted)}
.grid-head .meta b{color:var(--brand);font-weight:700}

/* ---------- 分类主布局 ---------- */
.cat-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:28px;align-items:start}
.filter-rail{position:sticky;top:88px;display:flex;flex-direction:column;gap:16px}
.filter-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-sm);
}
.filter-card h3{font-size:15px;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.filter-card h3 i{color:var(--brand);font-size:13px}
.filter-list{display:flex;flex-direction:column;gap:2px}
.filter-list a{
  font-size:14px;color:var(--muted);padding:7px 10px;border-radius:8px;
  display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.filter-list a:hover{background:var(--brand-light);color:var(--brand)}
.filter-list a.on{background:var(--brand-light);color:var(--brand);font-weight:600}
.filter-list span{font-size:12px;color:#9AAABC}
.filter-card--sub{background:linear-gradient(160deg,var(--brand-light),#FFFFFF);border-color:#D3E3F5}
.filter-card--sub p{font-size:13px;color:var(--muted);margin-bottom:14px;line-height:1.7}
.mini-form{display:flex;flex-direction:column;gap:10px}
.mini-form input{
  width:100%;padding:10px 13px;font-size:14px;color:var(--text);
  border:1px solid var(--border);border-radius:var(--radius-btn);background:#fff;
  transition:border-color .2s,box-shadow .2s;outline:none;
}
.mini-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,79,138,.14)}
.mini-form input::placeholder{color:#9AAABC}
.mini-form .btn-brand{width:100%;justify-content:center;padding:11px 18px}

/* ---------- 卡片网格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.gcard{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.gcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(27,79,138,.28)}
.gcard__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light)}
.gcard__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.gcard:hover .gcard__media img{transform:scale(1.05)}
.gcard__badge{
  position:absolute;left:12px;top:12px;font-size:12px;font-weight:600;
  padding:4px 10px;border-radius:6px;background:var(--brand);color:#fff;
  box-shadow:0 2px 8px rgba(18,58,102,.22);
}
.gcard__badge--accent{background:var(--accent)}
.gcard__badge--teal{background:var(--teal)}
.gcard__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.gcard__body h3{font-size:17px}
.gcard__body p{font-size:14px;color:var(--muted);line-height:1.75}
.gcard__foot{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--border);
  display:flex;justify-content:space-between;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
}
.gcard__foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.gcard__foot .go i{font-size:11px;transition:transform .22s ease}
.gcard:hover .gcard__foot .go i{transform:translateX(4px)}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.compare-col{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-sm);
}
.compare-col__head{
  padding:18px 22px;display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:16px;background:#fff;border-bottom:1px solid var(--border);
  color:var(--muted);
}
.compare-col__head i{font-size:15px}
.compare-col--alt .compare-col__head{background:var(--brand-light);color:var(--brand-dark);border-bottom-color:#D3E3F5}
.compare-row{
  display:flex;gap:12px;align-items:center;min-height:48px;
  padding:13px 22px;font-size:14px;color:var(--muted);
  border-bottom:1px solid var(--border);line-height:1.6;
}
.compare-row:last-child{border-bottom:0}
.compare-row i{font-size:12px;flex:0 0 auto;color:#9AAABC}
.compare-col--alt .compare-row{background:rgba(27,79,138,.03);color:var(--text)}
.compare-col--alt .compare-row i{color:var(--teal)}
.compare-col--alt .compare-row.diff{
  background:var(--accent-soft);border-left:3px solid var(--accent);
}
.compare-col--alt .compare-row.diff i{color:var(--accent)}

.meters{margin-top:34px;display:flex;flex-direction:column;gap:18px}
.meter-row{display:grid;grid-template-columns:210px 1fr 64px;gap:16px;align-items:center;font-size:14px}
.meter-row .label{color:var(--muted)}
.meter{height:8px;border-radius:999px;background:#E6EDF6;overflow:hidden}
.meter i{display:block;height:100%;border-radius:999px;background:var(--brand);transition:width .6s ease}
.meter--teal i{background:var(--teal)}
.meter-row .val{text-align:right;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.faq .accordion-item{
  border:1px solid var(--border);border-radius:var(--radius-card);margin-bottom:12px;
  overflow:hidden;box-shadow:var(--shadow-sm);background:#fff;
}
.faq .accordion-button{
  font-size:16px;font-weight:600;color:var(--text);
  padding:18px 22px;background:#fff;box-shadow:none;border-radius:var(--radius-card) !important;
  display:flex;align-items:center;gap:12px;
}
.faq .accordion-button:not(.collapsed){
  color:var(--brand);background:#fff;box-shadow:inset 3px 0 0 var(--brand);
}
.faq .accordion-button:focus{
  box-shadow:inset 3px 0 0 var(--brand),0 0 0 3px rgba(27,79,138,.12);
  border-color:transparent;z-index:2;
}
.faq .accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  background-image:none;width:auto;height:auto;font-size:12px;color:var(--brand);
  display:grid;place-items:center;transition:transform .25s ease;margin-left:auto;
}
.faq .accordion-button:not(.collapsed)::after{background-image:none;transform:rotate(180deg)}
.faq .accordion-body{padding:4px 22px 22px;font-size:14.5px;color:var(--muted);line-height:1.85}

/* ---------- CTA 区 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  background:linear-gradient(135deg,var(--brand-dark),var(--brand));
  padding:48px;color:#fff;box-shadow:var(--shadow-lg);
  display:grid;grid-template-columns:1.5fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(255,122,47,.35),transparent 70%);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;left:32%;bottom:-160px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(20,184,166,.28),transparent 70%);pointer-events:none;
}
.cta-band h2{font-size:28px;margin-bottom:12px;position:relative;z-index:1}
.cta-band p{font-size:15px;color:#D6E4F3;max-width:640px;position:relative;z-index:1}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;border:0;cursor:pointer;
  transition:.22s ease;box-shadow:0 6px 18px rgba(255,122,47,.32);white-space:nowrap;
}
.btn-main:hover{background:#ef6a1d;color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,122,47,.4)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1.5px solid rgba(255,255,255,.55);color:#fff;padding:12px 24px;border-radius:999px;
  font-weight:600;font-size:15px;cursor:pointer;transition:.22s ease;white-space:nowrap;
}
.btn-ghost:hover{background:#fff;color:var(--brand-dark);border-color:#fff}
.btn-main:focus-visible,.btn-ghost:focus-visible{outline:3px solid rgba(255,255,255,.5);outline-offset:3px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#C9D8EA;padding:64px 0 0;margin-top:20px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:42px;
}
.site-footer .brand__name{color:#fff}
.site-footer .brand__sub{color:#8FA9C7}
.site-footer .brand__mark{background:rgba(255,255,255,.12);box-shadow:none}
.footer-about{font-size:14px;color:#A9BED6;margin-top:16px;line-height:1.85;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#C9D8EA}
.footer-links a:hover{color:var(--accent)}
.footer-contact{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:12px;font-size:14px;color:#A9BED6}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:12px;flex:0 0 auto}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA9C7;
}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .nav-shell{height:64px;gap:14px}
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-md);
    padding:10px 16px 18px;display:none;gap:2px;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 12px;border-radius:8px;font-size:15px}
  .nav-links a.active::after{display:none}
  .status-badge{display:none}
  .cat-layout{grid-template-columns:1fr}
  .filter-rail{position:static}
  .compare{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-about{max-width:none}
  .page-hero h1{font-size:34px}
  .section{padding:56px 0}
  .cta-band{grid-template-columns:1fr;padding:36px;gap:24px}
}
@media (max-width:768px){
  .page-hero{padding:24px 0 34px}
  .page-hero h1{font-size:31px}
  .sec-head h2{font-size:23px}
  .cta-band h2{font-size:23px}
  .meter-row{grid-template-columns:1fr;gap:8px}
  .meter-row .val{text-align:left}
}
@media (max-width:576px){
  .container{padding:0 16px}
  .brand__sub{display:none}
  .btn-brand{padding:8px 14px;font-size:13px}
  .card-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:28px}
  .section{padding:44px 0}
  .cta-band{padding:26px}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%;justify-content:center}
  .compare-row{font-size:13.5px;padding:12px 16px}
  .compare-col__head{padding:15px 16px;font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand:#1B4F8A;
  --brand-dark:#123A66;
  --brand-light:#E8F1FB;
  --accent:#FF7A2F;
  --accent-light:#FFF1E8;
  --teal:#14B8A6;
  --teal-light:#E4F7F4;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --border:#E3EAF3;
  --text:#1C2B3A;
  --muted:#5A6B7D;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-pill:999px;
  --radius-img:12px;
  --radius-input:10px;
  --shadow-sm:0 2px 8px rgba(18,58,102,.06);
  --shadow-md:0 8px 24px rgba(18,58,102,.08);
  --shadow-lg:0 16px 40px rgba(18,58,102,.12);
  --sp-section:72px;
  --bs-primary:#1B4F8A;
  --bs-body-bg:#F5F8FC;
  --bs-body-color:#1C2B3A;
  --bs-border-radius:10px;
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;}

/* ============ 顶部活动条 ============ */
.topbar{
  background:linear-gradient(90deg,var(--brand-dark),var(--brand));
  color:#fff;font-size:13px;position:relative;z-index:1040;
}
.topbar__inner{
  display:flex;align-items:center;gap:10px;height:40px;
}
.topbar__dot{
  width:8px;height:8px;border-radius:50%;background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,122,47,.25);flex:0 0 auto;
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(255,122,47,.4);}70%{box-shadow:0 0 0 8px rgba(255,122,47,0);}100%{box-shadow:0 0 0 0 rgba(255,122,47,0);}}
.topbar__label{
  background:rgba(255,255,255,.16);border-radius:6px;padding:1px 8px;font-weight:600;letter-spacing:.5px;
}
.topbar__text{color:rgba(255,255,255,.85);}
.topbar__timer{
  font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:1px;color:#FFD9C2;
}
.topbar__close{
  margin-left:auto;background:transparent;border:0;color:rgba(255,255,255,.7);
  width:28px;height:28px;border-radius:6px;cursor:pointer;line-height:1;
}
.topbar__close:hover{background:rgba(255,255,255,.14);color:#fff;}
.topbar.is-hidden{display:none;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-shell{
  max-width:1200px;margin:0 auto;padding:0 20px;height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand__mark{
  width:32px;height:32px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;
  box-shadow:var(--shadow-sm);
}
.brand__text{display:flex;flex-direction:column;line-height:1.1;}
.brand__name{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand__sub{font-size:10px;letter-spacing:2px;color:var(--muted);font-weight:600;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;padding:10px 14px;border-radius:var(--radius-btn);
  color:var(--text);font-size:15px;font-weight:600;
}
.nav-links a:hover{background:var(--brand-light);color:var(--brand);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.status-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:var(--teal);background:var(--teal-light);border-radius:var(--radius-pill);padding:5px 12px;
}
.status-badge i{font-size:7px;}
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;border-radius:var(--radius-pill);
  padding:10px 20px;font-size:14px;font-weight:700;border:1px solid var(--brand);
  transition:all .2s ease;
}
.btn-brand:hover{
  background:#17457a;border-color:#17457a;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);
}
.nav-toggle{
  display:none;background:#fff;border:1px solid var(--border);border-radius:var(--radius-btn);
  width:40px;height:40px;color:var(--brand);cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-light);}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--radius-btn);padding:12px 24px;font-weight:700;font-size:15px;
  transition:all .2s ease;cursor:pointer;
}
.btn-main:hover{background:#17457a;border-color:#17457a;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-main:focus-visible,.btn-outline:focus-visible,.btn-ghost:focus-visible,.btn-brand:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(27,79,138,.25);
}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);border:1.5px solid var(--brand);
  border-radius:var(--radius-btn);padding:11px 22px;font-weight:700;font-size:15px;
  transition:all .2s ease;cursor:pointer;
}
.btn-outline:hover{background:var(--brand-light);color:var(--brand);transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;
  background:transparent;border:0;padding:0;cursor:pointer;
}
.btn-ghost i{transition:transform .2s ease;}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-pill{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;
  border-radius:var(--radius-pill);padding:13px 28px;font-weight:700;border:1px solid var(--brand);
  transition:all .2s ease;cursor:pointer;
}
.btn-pill:hover{background:#17457a;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-main:disabled,.btn-outline:disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);
  padding:20px 0 0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:9px;opacity:.6;}
.crumb .current{color:var(--brand);font-weight:600;}

/* ============ 页面头部 Banner ============ */
.page-head{
  position:relative;margin-top:20px;border-radius:18px;overflow:hidden;
  background-image:linear-gradient(105deg,rgba(18,58,102,.94) 0%,rgba(27,79,138,.86) 52%,rgba(27,79,138,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:52px 44px;box-shadow:var(--shadow-lg);
}
.page-head__tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);
  border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;font-weight:600;color:#E8F1FB;
}
.page-head__tag i{color:var(--accent);font-size:8px;}
.page-head h1{
  color:#fff;font-size:40px;margin:18px 0 14px;max-width:820px;letter-spacing:.5px;
}
.page-head__lead{
  max-width:760px;font-size:16px;color:rgba(255,255,255,.86);line-height:1.85;
}
.page-head__stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;
}
.stat-chip{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-card);padding:14px 20px;min-width:170px;
}
.stat-chip__num{
  font-size:28px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-chip__num span{font-size:14px;font-weight:600;color:#FFBE97;margin-left:3px;}
.stat-chip__label{font-size:13px;color:rgba(255,255,255,.75);margin-top:4px;}

/* ============ 标签行 ============ */
.tagbar{padding:44px 0 0;}
.tagbar__title{font-size:15px;font-weight:700;color:var(--muted);margin-bottom:14px;}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:9px 18px;font-size:14px;font-weight:600;color:var(--text);
  cursor:pointer;transition:all .2s ease;
}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--shadow-sm);}
.pill.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.pill.is-active .pill__count{background:rgba(255,255,255,.22);color:#fff;}
.pill__count{
  background:var(--brand-light);color:var(--brand);border-radius:var(--radius-pill);
  font-size:12px;padding:1px 8px;font-weight:700;
}

/* ============ 通用 section ============ */
.section{padding:var(--sp-section) 0 0;}
.section__head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;
}
.section__head h2{font-size:28px;}
.section__head p{font-size:14px;color:var(--muted);margin-top:8px;max-width:640px;}

/* ============ 内容卡片 ============ */
.news-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-card);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#CFE0F3;}
.news-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light);}
.news-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.news-card:hover .news-card__media img{transform:scale(1.04);}
.news-card__badge{
  position:absolute;left:12px;top:12px;background:rgba(18,58,102,.88);color:#fff;
  font-size:12px;font-weight:600;padding:4px 10px;border-radius:6px;backdrop-filter:blur(4px);
}
.news-card__badge.badge-accent{background:var(--accent);}
.news-card__badge.badge-teal{background:var(--teal);}
.news-card__body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-card__body h3{font-size:18px;margin-bottom:10px;transition:color .2s ease;}
.news-card:hover .news-card__body h3{color:var(--brand);}
.news-card__desc{
  font-size:14px;color:var(--muted);line-height:1.75;flex:1 1 auto;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card__foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--border);
  font-size:13px;color:var(--muted);
}
.news-card__foot i{color:var(--brand);transition:transform .2s ease;}
.news-card:hover .news-card__foot i{transform:translateX(4px);}

/* ============ 评分条板块 ============ */
.score-panel{
  background:linear-gradient(180deg,#FFFFFF 0%,#FBFDFF 100%);
  border:1px solid var(--border);border-radius:var(--radius-card);
  padding:32px;box-shadow:var(--shadow-sm);
}
.score-item{padding:16px 0;border-bottom:1px dashed var(--border);}
.score-item:last-child{border-bottom:0;padding-bottom:0;}
.score-item__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:12px;}
.score-item__name{font-size:15px;font-weight:700;}
.score-item__val{font-size:20px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;}
.score-item__val.is-teal{color:var(--teal);}
.progress-track{
  height:8px;border-radius:var(--radius-pill);background:var(--brand-light);overflow:hidden;
}
.progress-fill{
  height:100%;border-radius:var(--radius-pill);
  background:linear-gradient(90deg,var(--brand),#3A79BC);width:0;transition:width .9s ease;
}
.progress-fill.fill-teal{background:linear-gradient(90deg,var(--teal),#4FD6C6);}
.score-note{
  margin-top:22px;background:var(--accent-light);border-left:3px solid var(--accent);
  border-radius:8px;padding:14px 18px;font-size:14px;color:#8A4A22;
}
.score-side{
  background:var(--brand-dark);border-radius:var(--radius-card);color:#fff;padding:30px;height:100%;
}
.score-side h3{color:#fff;font-size:20px;margin-bottom:14px;}
.score-side p{font-size:14px;color:rgba(255,255,255,.78);line-height:1.85;}
.score-side ul{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
.score-side li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.score-side li i{color:var(--teal);margin-top:5px;font-size:13px;}

/* ============ FAQ ============ */
.faq .accordion-item{
  border:1px solid var(--border);border-radius:var(--radius-card)!important;
  margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow-sm);
}
.faq .accordion-button{
  background:#fff;color:var(--text);font-weight:700;font-size:16px;padding:20px 22px;
  box-shadow:none;border-left:3px solid transparent;transition:all .2s ease;
}
.faq .accordion-button:not(.collapsed){
  background:#fff;color:var(--brand);border-left-color:var(--brand);
}
.faq .accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;transition:transform .25s ease;transform:rotate(0deg);
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(27,79,138,.15);}
.faq .accordion-body{
  padding:0 22px 22px 25px;color:var(--muted);font-size:15px;line-height:1.85;
}

/* ============ 订阅表单 ============ */
.subscribe{
  background:#fff;border:1px solid var(--border);border-radius:18px;
  box-shadow:var(--shadow-md);overflow:hidden;
}
.subscribe__grid{display:grid;grid-template-columns:4fr 5fr;}
.subscribe__left{
  background:linear-gradient(160deg,var(--brand-dark),var(--brand));
  color:#fff;padding:40px 36px;
}
.subscribe__left h2{color:#fff;font-size:26px;margin-bottom:14px;}
.subscribe__left p{font-size:14px;color:rgba(255,255,255,.82);line-height:1.85;}
.subscribe__points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.subscribe__points li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.subscribe__points i{color:var(--accent);margin-top:5px;font-size:13px;}
.subscribe__right{padding:40px 36px;}
.form-label{font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text);}
.form-control,.form-select{
  border:1px solid var(--border);border-radius:var(--radius-input);padding:11px 14px;
  font-size:15px;background:#fff;color:var(--text);box-shadow:none!important;
}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(27,79,138,.15)!important;}
.form-control.is-error{border-color:var(--danger);}
.form-hint{font-size:12.5px;color:var(--muted);margin-top:6px;}
.form-hint.error{color:var(--danger);}
.form-privacy{font-size:13px;color:var(--muted);margin-top:14px;}
.form-alert{
  display:none;border-radius:10px;padding:12px 16px;font-size:14px;margin-bottom:18px;
}
.form-alert.show{display:block;}
.form-alert.success{background:var(--teal-light);color:#0E7C70;border:1px solid #B7E8E1;}
.form-alert.error{background:#FDECEC;color:#A93232;border:1px solid #F5C6C6;}

/* ============ CTA 条 ============ */
.cta-strip{
  background:linear-gradient(100deg,var(--brand-dark),var(--brand));
  border-radius:18px;color:#fff;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:var(--shadow-md);
}
.cta-strip h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-strip p{font-size:14px;color:rgba(255,255,255,.82);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:var(--sp-section);background:var(--brand-dark);color:rgba(255,255,255,.8);padding:56px 0 24px;
}
.site-footer .brand__name{color:#fff;}
.site-footer .brand__sub{color:rgba(255,255,255,.55);}
.site-footer .brand__mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;
}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.7);margin-top:18px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-links a:hover{color:var(--accent);}
.footer-contact{display:flex;flex-direction:column;gap:12px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}
.footer-contact i{margin-top:5px;color:var(--accent);font-size:13px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .page-head h1{font-size:36px;}
}
@media (max-width:991.98px){
  :root{--sp-section:48px;}
  .nav-shell{height:64px;}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:12px 16px 18px;gap:4px;display:none;border-top:1px solid var(--border);box-shadow:var(--shadow-md);
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 14px;}
  .nav-links a.active::after{display:none;}
  .nav-links a.active{background:var(--brand-light);}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .status-badge{display:none;}
  .page-head{padding:40px 28px;}
  .page-head h1{font-size:32px;}
  .section__head h2{font-size:24px;}
  .subscribe__grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-strip{padding:30px 26px;}
}
@media (max-width:767.98px){
  .topbar__text{display:none;}
  .page-head h1{font-size:29px;margin:14px 0 12px;}
  .page-head__lead{font-size:15px;}
  .stat-chip{flex:1 1 45%;min-width:0;padding:12px 16px;}
  .score-panel{padding:22px;}
  .subscribe__left,.subscribe__right{padding:28px 24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:575.98px){
  .brand__name{font-size:15px;}
  .btn-brand{padding:9px 14px;font-size:13px;}
  .page-head{padding:30px 20px;border-radius:14px;}
  .page-head h1{font-size:26px;}
  .section__head h2{font-size:22px;}
  .cta-strip{padding:26px 20px;}
  .cta-strip h2{font-size:20px;}
  .pill{padding:8px 14px;font-size:13px;}
}