/* roulang page: index */
:root{
  --brand-deep:#0A2D5C;
  --brand-blue:#1564C7;
  --brand-light:#E8F1FA;
  --bg-color:#F5F8FC;
  --accent-orange:#F2711B;
  --success-green:#0E9F6E;
  --text-main:#0F1F38;
  --text-sub:#54667A;
  --text-aux:#8A9BAE;
  --border:#DCE6F0;
  --shadow-card:0 8px 24px rgba(10,45,92,.08);
  --shadow-hover:0 12px 30px rgba(10,45,92,.14);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --radius-xs:6px;
  --space-section:88px;
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg-color);
  color:var(--text-main);
  font-size:15px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:3px solid rgba(21,100,199,.35);
  outline-offset:2px;
  border-radius:4px;
}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section-header{text-align:center;margin-bottom:48px;}
.section-title{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-main);
  margin-bottom:10px;
}
.section-sub{
  font-size:15px;
  color:var(--text-sub);
  max-width:640px;
  margin:0 auto;
}
.text-center{text-align:center;}
@media(max-width:520px){
  .section-title{font-size:24px;}
  .section{padding:56px 0;}
}
/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 24px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:var(--transition);
  white-space:nowrap;
}
.btn-primary{
  background:var(--brand-blue);
  color:#fff;
  box-shadow:0 4px 14px rgba(21,100,199,.22);
}
.btn-primary:hover{
  background:#1A75DA;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(21,100,199,.28);
}
.btn-primary:active{background:#0E55AF;transform:translateY(0);}
.btn-ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--brand-blue);
}
.btn-ghost:hover{
  background:var(--brand-light);
  border-color:var(--brand-blue);
}
.btn-orange{
  background:var(--accent-orange);
  color:#fff;
  box-shadow:0 4px 16px rgba(242,113,27,.28);
}
.btn-orange:hover{
  background:#FF7E2E;
  transform:translateY(-2px) scale(1.02);
  box-shadow:0 8px 28px rgba(242,113,27,.35);
}
.btn-lg{height:52px;padding:0 34px;font-size:16px;}
.btn-sm{height:36px;padding:0 18px;font-size:14px;}
.btn-block{display:flex;width:100%;}
/* Top Bar */
.top-bar{
  background:var(--brand-deep);
  color:#DCE9F7;
  font-size:13px;
  height:36px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.top-bar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
}
.top-bar-link{
  color:#C7DDF5;
  font-size:13px;
  display:inline-flex;
  align-items:center;
  gap:4px;
}
.top-bar-link:hover{color:#fff;}
@media(max-width:768px){
  .top-bar-inner span:first-child{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:70%;}
}
/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(220,230,240,.8);
  box-shadow:0 2px 12px rgba(10,45,92,.04);
  transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(10,45,92,.10);}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{
  display:flex;
  align-items:center;
  gap:8px;
  flex-shrink:0;
}
.brand-icon{
  width:28px;
  height:28px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.brand-text{
  font-size:19px;
  font-weight:800;
  color:var(--brand-deep);
  letter-spacing:-.02em;
}
.brand-badge{
  font-size:11px;
  font-weight:600;
  color:var(--brand-blue);
  background:var(--brand-light);
  border:1px solid rgba(21,100,199,.2);
  border-radius:4px;
  padding:1px 6px;
  line-height:1.4;
}
.main-nav{
  display:flex;
  gap:24px;
  align-items:center;
  margin-left:8px;
}
.nav-link{
  font-size:15px;
  font-weight:500;
  color:var(--text-sub);
  padding:6px 2px;
  position:relative;
}
.nav-link::after{
  content:'';
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--accent-orange);
  transition:width .25s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--brand-blue);}
.nav-link:hover::after{width:100%;}
.nav-link.active{
  color:var(--brand-blue);
  font-weight:700;
}
.nav-link.active::after{
  width:100%;
  background:var(--brand-blue);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
  flex-shrink:0;
}
.search-box{
  position:relative;
  width:200px;
}
.search-box .search-icon{
  position:absolute;
  left:12px;
  top:50%;
  transform:translateY(-50%);
  pointer-events:none;
}
.search-box input{
  width:100%;
  height:36px;
  border:none;
  background:#EFF4FA;
  border-radius:var(--radius-sm);
  padding:0 12px 0 36px;
  font-size:14px;
  color:var(--text-main);
  transition:var(--transition);
}
.search-box input::placeholder{color:var(--text-aux);}
.search-box input:focus{
  background:#fff;
  border:1px solid var(--brand-blue);
  box-shadow:0 0 0 3px rgba(21,100,199,.15);
  outline:none;
}
.menu-toggle{
  display:none;
  flex-direction:column;
  gap:5px;
  background:none;
  border:none;
  padding:8px;
  cursor:pointer;
}
.menu-toggle span{
  width:22px;
  height:2px;
  background:var(--text-main);
  border-radius:2px;
  transition:var(--transition);
}
.nav-drawer{
  display:none;
  position:fixed;
  top:68px;
  left:0;
  right:0;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 16px 40px rgba(10,45,92,.12);
  padding:16px 24px 24px;
  flex-direction:column;
  gap:4px;
  z-index:999;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:var(--transition);
}
.nav-drawer.open{
  display:flex;
  transform:translateY(0);
  opacity:1;
  visibility:visible;
}
.drawer-link{
  padding:12px 8px;
  font-size:16px;
  font-weight:500;
  color:var(--text-main);
  border-bottom:1px solid #F0F4F9;
}
.drawer-link:hover{color:var(--brand-blue);background:var(--brand-light);}
.drawer-actions{
  display:flex;
  gap:12px;
  margin-top:16px;
}
@media(max-width:992px){
  .main-nav{gap:16px;}
  .search-box{width:160px;}
}
@media(max-width:768px){
  .main-nav,.header-actions .search-box,.header-actions .btn{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
}
/* Hero */
.hero{
  position:relative;
  background:linear-gradient(135deg,#E8F1FA 0%,#F5F8FC 60%,#FFFFFF 100%);
  overflow:hidden;
  padding:80px 0 72px;
}
.hero::before{
  content:'';
  position:absolute;
  top:0;
  left:0;
  right:0;
  bottom:0;
  background-image:
    linear-gradient(rgba(21,100,199,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(21,100,199,.05) 1px,transparent 1px);
  background-size:36px 36px;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:55% 45%;
  gap:48px;
  align-items:center;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  background:var(--accent-orange);
  color:#fff;
  font-size:13px;
  font-weight:600;
  padding:4px 14px;
  border-radius:999px;
  margin-bottom:20px;
  box-shadow:0 4px 14px rgba(242,113,27,.28);
}
.hero h1{
  font-size:40px;
  line-height:1.2;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--brand-deep);
  margin-bottom:16px;
}
.hero-sub{
  font-size:16px;
  line-height:1.7;
  color:var(--text-sub);
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:40px;
}
.hero-stats{
  display:flex;
  gap:32px;
  flex-wrap:wrap;
}
.stat-item{
  display:flex;
  flex-direction:column;
}
.stat-num{
  font-size:28px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  color:var(--brand-deep);
  line-height:1.2;
}
.stat-label{
  font-size:13px;
  color:var(--text-aux);
  margin-top:4px;
}
.hero-visual{
  position:relative;
  border-radius:24px;
  min-height:420px;
  background-image:
    linear-gradient(135deg,rgba(232,241,250,.92),rgba(255,255,255,.35)),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.hero-visual::before{
  content:'';
  position:absolute;
  width:280px;
  height:280px;
  border-radius:50%;
  background:rgba(21,100,199,.10);
  top:-40px;
  right:-60px;
}
.hero-visual::after{
  content:'';
  position:absolute;
  width:180px;
  height:180px;
  border-radius:50%;
  background:rgba(242,113,27,.12);
  bottom:-30px;
  left:-40px;
}
@media(max-width:992px){
  .hero{padding:64px 0;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-visual{min-height:320px;}
  .hero h1{font-size:32px;}
}
@media(max-width:768px){
  .hero h1{font-size:28px;}
  .hero-visual{min-height:220px;}
  .hero-actions .btn{flex:1;}
}
@media(max-width:480px){
  .hero-stats{gap:16px;}
  .stat-num{font-size:22px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
}
/* Plans */
.plans{
  background:#fff;
}
.plans-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  align-items:end;
}
.plan-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-card);
  position:relative;
  transition:var(--transition);
  display:flex;
  flex-direction:column;
  min-height:280px;
}
.plan-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.plan-card:nth-child(2){margin-bottom:12px;}
.plan-card:nth-child(3){margin-bottom:24px;}
.plan-card:nth-child(4){margin-bottom:36px;}
.plan-card.recommended{
  border:2px solid var(--accent-orange);
  background:linear-gradient(180deg,#FFF7F0 0%,#fff 60%);
}
.plan-card.recommended::before{
  content:'热销';
  position:absolute;
  top:-1px;
  right:20px;
  background:var(--accent-orange);
  color:#fff;
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:0 0 8px 8px;
  box-shadow:0 2px 8px rgba(242,113,27,.3);
}
.plan-name{
  font-size:20px;
  font-weight:700;
  color:var(--brand-deep);
  margin-bottom:6px;
}
.plan-desc{
  font-size:13px;
  color:var(--text-aux);
  margin-bottom:16px;
}
.plan-features{
  display:flex;
  flex-direction:column;
  gap:8px;
  margin-bottom:20px;
  flex:1;
}
.plan-feature{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-sub);
}
.plan-feature::before{
  content:'';
  width:16px;
  height:16px;
  border-radius:50%;
  background:var(--brand-light);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2.5 6l2.5 2.5 4.5-5' stroke='%231564C7' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-position:center;
  background-repeat:no-repeat;
}
.plan-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand-blue);
  margin-top:auto;
}
.plan-link:hover{color:var(--accent-orange);}
@media(max-width:992px){
  .plans-grid{grid-template-columns:1fr 1fr;align-items:stretch;}
  .plan-card:nth-child(n){margin-bottom:0;}
  .plan-card.recommended{grid-column:span 1;}
}
@media(max-width:768px){
  .plans-grid{grid-template-columns:1fr;}
  .plan-card{min-height:auto;}
}
/* Compare Table */
.compare-table-wrap{
  background:linear-gradient(180deg,#fff 0%,#F5F8FC 100%);
  padding:var(--space-section) 0;
}
.compare-table-wrap .section-header{margin-bottom:40px;}
.table-wrap{
  overflow-x:auto;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  background:#fff;
}
.compare-table{
  width:100%;
  border-collapse:collapse;
  min-width:820px;
}
.compare-table th,.compare-table td{
  padding:16px 20px;
  text-align:center;
  border-bottom:1px solid #EDF2F7;
  font-size:15px;
}
.compare-table thead th{
  background:var(--brand-deep);
  color:#fff;
  font-weight:600;
  font-size:16px;
  padding:20px;
}
.compare-table thead th:first-child{
  text-align:left;
  background:var(--brand-deep);
}
.compare-table tbody th{
  text-align:left;
  font-weight:500;
  color:var(--text-main);
  background:#FAFCFF;
}
.compare-table tbody tr:last-child td{
  border-bottom:none;
}
.compare-table tbody tr:hover td{
  background:#F0F6FF;
}
.compare-table .recommend-col{
  background:rgba(255,247,240,.7);
  border-left:2px solid var(--accent-orange);
  border-right:2px solid var(--accent-orange);
  box-shadow:inset 0 0 0 1px rgba(242,113,27,.15);
}
.compare-table .recommend-col.recommend-header{
  background:var(--accent-orange);
  color:#fff;
  position:relative;
}
.compare-table .recommend-col.recommend-header small{
  display:block;
  font-size:12px;
  font-weight:400;
  opacity:.85;
}
.table-price{font-size:18px;font-weight:700;color:var(--brand-deep);}
.table-price .orig{
  font-size:13px;
  color:var(--text-aux);
  text-decoration:line-through;
  font-weight:400;
  margin-left:4px;
}
.check{
  display:inline-flex;
  width:22px;
  height:22px;
  border-radius:50%;
  background:rgba(14,159,110,.1);
  align-items:center;
  justify-content:center;
  color:var(--success-green);
  font-size:13px;
  font-weight:700;
}
.cross{
  display:inline-flex;
  width:22px;
  height:22px;
  border-radius:50%;
  background:#F0F3F6;
  align-items:center;
  justify-content:center;
  color:var(--text-aux);
  font-size:13px;
}
.table-cta{
  padding:20px;
  background:#fff;
  border-top:1px solid #EDF2F7;
  text-align:center;
}
.table-cta.recommend-cta{background:var(--brand-light);}
@media(max-width:480px){
  .compare-table th,.compare-table td{padding:12px 10px;font-size:13px;}
}
/* Limited Offer */
.limited-offer{
  background:var(--brand-deep);
  color:#fff;
  text-align:center;
  padding:72px 0;
  position:relative;
  overflow:hidden;
}
.limited-offer::before{
  content:'';
  position:absolute;
  width:420px;
  height:420px;
  border-radius:50%;
  background:rgba(21,100,199,.2);
  top:-180px;
  right:-100px;
}
.limited-offer::after{
  content:'';
  position:absolute;
  width:300px;
  height:300px;
  border-radius:50%;
  background:rgba(242,113,27,.12);
  bottom:-140px;
  left:-80px;
}
.limited-offer .container{position:relative;z-index:2;}
.offer-title{
  font-size:28px;
  font-weight:700;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.offer-desc{
  color:#B3C8E0;
  font-size:15px;
  margin-bottom:32px;
}
.countdown{
  display:flex;
  justify-content:center;
  gap:14px;
  margin-bottom:32px;
}
.cd-block{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:6px;
}
.cd-num{
  width:64px;
  height:64px;
  background:#fff;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:28px;
  font-weight:700;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  box-shadow:0 4px 16px rgba(0,0,0,.18);
}
.cd-label{
  font-size:13px;
  color:#B3C8E0;
}
@media(max-width:480px){
  .cd-num{width:52px;height:52px;font-size:22px;}
  .countdown{gap:8px;}
  .limited-offer .btn{width:100%;}
}
/* News */
.news-section{background:#fff;}
.news-header{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:32px;
}
.news-header .section-header{text-align:left;margin:0;}
.news-view-all{
  color:var(--brand-blue);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
}
.news-view-all:hover{color:var(--accent-orange);}
.news-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.news-item{
  display:flex;
  gap:20px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:14px;
  transition:var(--transition);
  align-items:center;
}
.news-item:hover{
  box-shadow:var(--shadow-hover);
  transform:translateX(-4px);
  border-color:rgba(21,100,199,.25);
}
.news-cover{
  width:120px;
  height:80px;
  object-fit:cover;
  border-radius:var(--radius-sm);
  flex-shrink:0;
  background:var(--brand-light);
}
.news-info{
  display:flex;
  flex-direction:column;
  gap:4px;
  min-width:0;
}
.news-cat{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  color:var(--brand-blue);
  background:var(--brand-light);
  padding:2px 10px;
  border-radius:var(--radius-xs);
  width:fit-content;
}
.news-title{
  font-size:16px;
  font-weight:600;
  line-height:1.4;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.news-title a:hover{color:var(--brand-blue);}
.news-excerpt{
  font-size:14px;
  color:var(--text-sub);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.news-meta{
  font-size:13px;
  color:var(--text-aux);
  gap:16px;
  display:flex;
}
.news-empty{
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  padding:64px 20px;
  border:2px dashed var(--border);
  border-radius:var(--radius-lg);
  color:var(--text-aux);
  font-size:14px;
  background:#FAFCFF;
}
.news-empty::before{
  content:'';
  width:64px;
  height:64px;
  border-radius:50%;
  border:2px dashed var(--border);
  margin-bottom:16px;
  display:block;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32' fill='none'%3E%3Cpath d='M8 12h16M8 16h16M8 20h10' stroke='%238A9BAE' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-position:center;
  background-repeat:no-repeat;
}
@media(max-width:768px){
  .news-item{flex-direction:column;align-items:flex-start;}
  .news-cover{width:100%;height:140px;}
  .news-title,.news-excerpt{white-space:normal;}
  .news-header{flex-direction:column;align-items:flex-start;gap:12px;}
}
/* Trust */
.trust-section{
  background:linear-gradient(180deg,#F5F8FC,#fff);
  padding:56px 0;
}
.trust-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
  text-align:center;
}
.trust-item .trust-num{
  font-size:36px;
  font-weight:700;
  color:var(--brand-deep);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
}
.trust-item .trust-label{
  font-size:14px;
  color:var(--text-sub);
  margin-top:6px;
}
@media(max-width:768px){
  .trust-grid{grid-template-columns:1fr 1fr;gap:24px;}
}
@media(max-width:480px){
  .trust-grid{grid-template-columns:1fr;}
}
/* FAQ */
.faq-section{background:#fff;}
.faq-list{
  max-width:780px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:12px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item:hover{border-color:rgba(21,100,199,.3);}
.faq-item.active{box-shadow:var(--shadow-card);}
.faq-question{
  width:100%;
  background:none;
  border:none;
  text-align:left;
  padding:18px 48px 18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text-main);
  cursor:pointer;
  position:relative;
  transition:var(--transition);
}
.faq-question:hover{color:var(--brand-blue);}
.faq-question::after{
  content:'+';
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%) rotate(0deg);
  font-size:24px;
  font-weight:400;
  color:var(--brand-blue);
  transition:transform .25s ease;
}
.faq-item.active .faq-question::after{
  transform:translateY(-50%) rotate(45deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  padding:0 20px;
  color:var(--text-sub);
  font-size:14px;
  line-height:1.65;
  transition:max-height .25s ease,padding .25s ease;
}
.faq-item.active .faq-answer{
  max-height:240px;
  padding:0 20px 18px;
}
@media(max-width:480px){
  .faq-question{font-size:15px;padding:16px 42px 16px 16px;}
}
/* Consult */
.consult-section{
  background:var(--bg-color);
}
.consult-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:48px;
  align-items:start;
}
.form-card{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:32px;
}
.form-card h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:8px;
  color:var(--brand-deep);
}
.form-card .form-intro{
  font-size:14px;
  color:var(--text-sub);
  margin-bottom:24px;
}
.form-group{
  margin-bottom:18px;
}
.form-label{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-main);
  margin-bottom:6px;
}
.form-input,.form-select,.form-textarea{
  width:100%;
  height:44px;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  padding:0 14px;
  font-size:15px;
  color:var(--text-main);
  background:#fff;
  transition:var(--transition);
}
.form-textarea{
  height:100px;
  padding:12px 14px;
  resize:vertical;
}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--brand-blue);
  box-shadow:0 0 0 3px rgba(21,100,199,.15);
  outline:none;
}
.form-input.invalid,.form-select.invalid,.form-textarea.invalid{
  border-color:#E54D42;
}
.error-msg{
  display:block;
  font-size:12px;
  color:#E54D42;
  margin-top:6px;
  min-height:0;
}
.form-submit{
  margin-top:8px;
}
.btn-submit{
  width:100%;
  height:48px;
  background:var(--brand-blue);
  color:#fff;
  border:none;
  border-radius:var(--radius-sm);
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  transition:var(--transition);
  box-shadow:0 4px 14px rgba(21,100,199,.2);
}
.btn-submit:hover{
  background:#1A75DA;
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(21,100,199,.28);
}
.btn-submit:active{
  background:#0E55AF;
  transform:translateY(0);
}
.btn-submit.success{
  background:var(--success-green);
}
.privacy-note{
  font-size:12px;
  color:var(--text-aux);
  margin-top:12px;
  text-align:center;
}
.consult-info{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:32px;
}
.consult-info h3{
  font-size:18px;
  font-weight:700;
  margin-bottom:20px;
  color:var(--brand-deep);
}
.info-list{
  display:flex;
  flex-direction:column;
  gap:18px;
  margin-bottom:24px;
}
.info-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.info-icon{
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--brand-light);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  color:var(--brand-blue);
}
.info-item h4{
  font-size:15px;
  font-weight:600;
  margin-bottom:2px;
}
.info-item p{
  font-size:13px;
  color:var(--text-sub);
  line-height:1.5;
}
.qr-box{
  text-align:center;
  padding-top:16px;
  border-top:1px solid #EDF2F7;
}
.qr-placeholder{
  width:120px;
  height:120px;
  margin:0 auto 12px;
  border-radius:var(--radius-sm);
  background:#F5F8FC;
  display:flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
}
.qr-box span{
  font-size:13px;
  color:var(--text-aux);
}
@media(max-width:768px){
  .consult-grid{grid-template-columns:1fr;gap:24px;}
  .form-card,.consult-info{padding:24px;}
}
/* Footer */
.site-footer{
  background:var(--brand-deep);
  color:#B3C4D9;
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr 1fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-badge{
  color:#C7DDF5;
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.2);
}
.footer-desc{
  font-size:14px;
  line-height:1.7;
  max-width:320px;
}
.footer-title{
  font-size:16px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:#B3C4D9;
}
.footer-links a:hover{
  color:#fff;
  text-decoration:underline;
}
.footer-contact{
  display:flex;
  flex-direction:column;
  gap:12px;
  font-size:14px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12px;
  color:#8097AE;
  flex-wrap:wrap;
  gap:8px;
}
.footer-bottom .legal{display:flex;gap:16px;}
@media(max-width:768px){
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;text-align:center;}
}

/* roulang page: category1 */
:root {
  --primary-dark: #0A2D5C;
  --primary: #1564C7;
  --primary-light: #E8F1FA;
  --bg: #F5F8FC;
  --white: #FFFFFF;
  --accent: #F2711B;
  --accent-light: #FFF7F0;
  --green: #0E9F6E;
  --text: #0F1F38;
  --text-2: #54667A;
  --text-3: #8A9BAE;
  --border: #DCE6F0;
  --shadow-card: 0 8px 24px rgba(10, 45, 92, 0.08);
  --shadow-hover: 0 12px 30px rgba(10, 45, 92, 0.14);
  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: #0D4DA0; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 14px; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 600; border-radius: var(--radius-md);
  padding: 10px 22px; transition: all var(--transition);
  border: 1px solid transparent; line-height: 1.4; white-space: nowrap;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(21, 100, 199, 0.25); }
.btn-primary:hover { background: #0D4DA0; box-shadow: 0 6px 18px rgba(21, 100, 199, 0.35); transform: translateY(-1px); color: #fff; }
.btn-primary:active { transform: translateY(0); background: #0B3F85; }
.btn-ghost { background: transparent; color: var(--primary); border-color: #C7D8EA; }
.btn-ghost:hover { background: var(--primary-light); border-color: var(--primary); color: var(--primary); }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(242, 113, 27, 0.3); }
.btn-accent:hover { background: #E05E0A; box-shadow: 0 6px 20px rgba(242, 113, 27, 0.4); transform: translateY(-2px); color: #fff; }
.btn-accent:active { transform: translateY(0); }
.btn-lg { height: 52px; padding: 0 36px; font-size: 16px; border-radius: 10px; }
.btn-sm { height: 38px; padding: 0 18px; font-size: 13px; border-radius: var(--radius-md); }
.tag {
  display: inline-block; font-size: 12px; font-weight: 500;
  padding: 3px 10px; border-radius: var(--radius-sm); line-height: 1.5;
}
.tag-blue { background: var(--primary-light); color: var(--primary); }
.tag-orange { background: var(--accent-light); color: var(--accent); }

/* 顶部通告条 */
.topbar { background: var(--primary-dark); height: 36px; display: flex; align-items: center; }
.topbar-inner { display: flex; justify-content: space-between; align-items: center; }
.topbar-inner span { color: #C9D8EA; font-size: 13px; }
.topbar-inner a { color: #F7B98A; font-size: 13px; font-weight: 500; }
.topbar-inner a:hover { color: #fff; }

/* 导航 */
.site-header {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220, 230, 240, 0.7);
  position: sticky; top: 0; z-index: 100;
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-card); }
.header-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.brand-icon { display: flex; align-items: center; justify-content: center; width: 26px; height: 26px; }
.brand-text { font-size: 20px; font-weight: 700; color: var(--text); letter-spacing: -0.02em; }
.brand-badge {
  background: var(--accent); color: #fff; font-size: 10px; font-weight: 600;
  padding: 2px 6px; border-radius: 4px; letter-spacing: 0.02em;
}
.main-nav { display: flex; align-items: center; gap: 24px; }
.nav-link {
  font-size: 15px; font-weight: 500; color: var(--text-2);
  padding: 8px 2px; position: relative; transition: color var(--transition);
}
.nav-link::after {
  content: ""; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px;
  background: var(--accent); border-radius: 2px; transition: width var(--transition);
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after { width: 100%; background: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.search-box {
  display: flex; align-items: center; gap: 8px; background: #F0F4FA;
  border-radius: var(--radius-md); height: 38px; padding: 0 12px;
  border: 1px solid transparent; transition: all var(--transition);
}
.search-box:focus-within {
  border-color: var(--primary); background: #fff;
  box-shadow: 0 0 0 3px rgba(21, 100, 199, 0.15);
}
.search-box input {
  border: none; outline: none; background: transparent; width: 150px;
  font-size: 13px; color: var(--text);
}
.search-box input::placeholder { color: var(--text-3); }
.btn-login { padding: 8px 18px; font-size: 13px; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; background: none; }
.mobile-toggle span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s ease; }
.mobile-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.open span:nth-child(2) { opacity: 0; }
.mobile-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 面包屑 + 分类Hero */
.category-hero {
  background: linear-gradient(135deg, #DCEAFB 0%, #F0F6FC 55%, #E4EDF8 100%);
  padding: 76px 0 64px; position: relative; overflow: hidden;
}
.category-hero::before {
  content: ""; position: absolute; right: -60px; top: -60px; width: 260px; height: 260px;
  background: radial-gradient(circle, rgba(21, 100, 199, 0.10) 0%, transparent 70%);
  border-radius: 50%;
}
.category-hero::after {
  content: ""; position: absolute; left: 10%; bottom: -80px; width: 320px; height: 180px;
  background: radial-gradient(ellipse, rgba(242, 113, 27, 0.07) 0%, transparent 70%);
}
.category-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-3); margin-bottom: 18px; }
.breadcrumb a { color: var(--text-3); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .current { color: var(--primary); font-weight: 500; }
.category-hero h1 {
  font-size: 40px; font-weight: 700; line-height: 1.2; color: var(--text);
  letter-spacing: -0.02em; margin-bottom: 14px;
}
.category-hero p { font-size: 16px; color: var(--text-2); max-width: 620px; }

/* 通用板块 */
.section { padding: 88px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head h2 { font-size: 30px; font-weight: 700; line-height: 1.3; color: var(--text); letter-spacing: -0.01em; margin-bottom: 10px; }
.section-head p { font-size: 15px; color: var(--text-2); line-height: 1.6; }

/* 内容摘要卡 */
.section-feature { background: var(--white); }
.feature-list { display: flex; flex-direction: column; gap: 24px; max-width: 960px; margin: 0 auto; }
.feature-card {
  display: flex; background: var(--white); border-radius: var(--radius-xl);
  border: 1px solid var(--border); box-shadow: var(--shadow-card);
  overflow: hidden; transition: box-shadow var(--transition), transform var(--transition);
}
.feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.feature-cover { width: 300px; flex-shrink: 0; background: linear-gradient(135deg, #E0EDF8, #D4E3F2); }
.feature-cover img { width: 100%; height: 100%; object-fit: cover; }
.feature-body { padding: 28px 32px; flex: 1; display: flex; flex-direction: column; justify-content: center; }
.feature-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.feature-meta .date { font-size: 13px; color: var(--text-3); }
.feature-body h3 { font-size: 20px; font-weight: 600; line-height: 1.4; margin-bottom: 10px; color: var(--text); }
.feature-body > p { font-size: 15px; color: var(--text-2); line-height: 1.7; margin-bottom: 16px; }
.text-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; }
.text-link::after { content: "→"; transition: transform var(--transition); }
.text-link:hover::after { transform: translateX(4px); }

/* 信息瓷砖 */
.section-tiles { background: linear-gradient(180deg, var(--bg) 0%, #FFFFFF 100%); }
.tile-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 960px; margin: 0 auto; }
.info-tile {
  background: var(--white); border-radius: var(--radius-xl); padding: 32px 28px;
  border: 1px solid var(--border); box-shadow: 0 4px 12px rgba(10, 45, 92, 0.04);
  display: flex; flex-direction: column; gap: 12px; transition: all var(--transition);
}
.info-tile:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); border-color: #BBD4EC; }
.tile-icon {
  width: 48px; height: 48px; border-radius: 12px; background: var(--primary-light);
  display: flex; align-items: center; justify-content: center; margin-bottom: 4px;
}
.info-tile h3 { font-size: 18px; font-weight: 600; color: var(--text); }
.info-tile p { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* 流程步骤 */
.section-steps { background: var(--white); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; max-width: 960px; margin: 0 auto; }
.step-item { text-align: center; padding: 36px 24px; background: var(--bg); border-radius: var(--radius-xl); border: 1px solid var(--border); position: relative; transition: all var(--transition); }
.step-item:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
.step-num {
  display: inline-flex; width: 44px; height: 44px; border-radius: 12px;
  background: var(--primary); color: #fff; font-size: 15px; font-weight: 700;
  align-items: center; justify-content: center; margin-bottom: 18px;
}
.step-item h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text); }
.step-item p { font-size: 14px; color: var(--text-2); line-height: 1.65; }

/* FAQ */
.section-faq { background: var(--bg); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--border); overflow: hidden; transition: box-shadow var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-card); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px; text-align: left; font-size: 16px; font-weight: 600;
  color: var(--text); background: transparent; transition: background var(--transition);
}
.faq-question:hover { background: #F8FBFD; }
.faq-icon { font-size: 22px; font-weight: 400; color: var(--primary); transition: transform 0.3s ease; display: inline-block; }
.faq-item.open .faq-icon { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease; padding: 0 24px; }
.faq-answer p { font-size: 14px; color: var(--text-2); line-height: 1.75; padding-bottom: 20px; }
.faq-item.open .faq-answer { max-height: 300px; }
.faq-item.open .faq-question { background: #FAFCFF; }

/* CTA */
.section-cta {
  background: linear-gradient(135deg, var(--primary-dark) 0%, #0E3E75 60%, #123F70 100%);
  padding: 72px 0; text-align: center; position: relative; overflow: hidden;
}
.section-cta::before {
  content: ""; position: absolute; left: 50%; top: -80px; width: 400px; height: 200px;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
  transform: translateX(-50%);
}
.section-cta .container { position: relative; z-index: 1; }
.section-cta h2 { font-size: 30px; font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 12px; }
.section-cta p { font-size: 16px; color: #B3C9E0; margin-bottom: 30px; }

/* 页脚 */
.site-footer {
  background: var(--primary-dark); color: #B3C4D9; padding: 64px 0 0; font-size: 14px;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-icon { width: 30px; height: 30px; }
.footer-brand .brand-text { color: #fff; font-size: 20px; font-weight: 700; }
.footer-brand .brand-badge { background: var(--accent); color: #fff; font-size: 10px; font-weight: 600; padding: 2px 7px; border-radius: 4px; }
.footer-desc { font-size: 13px; line-height: 1.7; color: #A7B9CC; max-width: 300px; }
.footer-title { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: #B3C4D9; font-size: 14px; }
.footer-links a:hover { color: #fff; text-decoration: underline; }
.footer-contact { display: flex; flex-direction: column; gap: 10px; font-size: 14px; color: #B3C4D9; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0;
  display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px;
  font-size: 12px; color: #8097AE;
}
.footer-bottom .legal { display: flex; gap: 18px; }
.footer-bottom .legal span { display: inline-flex; align-items: center; gap: 6px; }
.footer-bottom .legal span::before {
  content: ""; display: inline-block; width: 6px; height: 6px; background: #4C8BCB;
  border-radius: 50%;
}

/* 响应式 */
@media (max-width: 1200px) {
  .container { padding: 0 20px; }
  .search-box input { width: 110px; }
}
@media (max-width: 992px) {
  .header-inner { gap: 16px; }
  .main-nav { gap: 14px; }
  .search-box { display: none; }
  .section { padding: 64px 0; }
  .steps-grid { gap: 20px; }
  .feature-cover { width: 240px; }
}
@media (max-width: 768px) {
  .topbar-inner span { font-size: 12px; }
  .topbar-inner a { font-size: 12px; }
  .header-inner { height: 60px; }
  .main-nav {
    display: none; position: absolute; top: 60px; left: 0; right: 0;
    background: #fff; flex-direction: column; padding: 20px;
    box-shadow: 0 16px 32px rgba(10, 45, 92, 0.12);
    gap: 16px; border-top: 1px solid var(--border); align-items: flex-start;
  }
  .main-nav.open { display: flex; }
  .nav-link { font-size: 16px; padding: 10px 0; width: 100%; }
  .header-actions { gap: 10px; }
  .btn-login { display: none; }
  .mobile-toggle { display: flex; }
  .category-hero { padding: 56px 0 44px; }
  .category-hero h1 { font-size: 32px; }
  .category-hero p { font-size: 15px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 32px; }
  .section-head h2 { font-size: 26px; }
  .feature-card { flex-direction: column; }
  .feature-cover { width: 100%; height: 200px; }
  .feature-body { padding: 24px; }
  .tile-grid { grid-template-columns: 1fr; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; gap: 16px; }
  .step-item { padding: 28px 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; padding-bottom: 32px; }
  .section-cta { padding: 56px 0; }
  .section-cta h2 { font-size: 24px; }
  .container { padding: 0 16px; }
}
@media (max-width: 480px) {
  .category-hero h1 { font-size: 28px; }
  .section-head h2 { font-size: 22px; }
  .feature-body h3 { font-size: 17px; }
  .info-tile { padding: 24px 20px; }
  .faq-question { font-size: 14px; padding: 18px 16px; }
  .faq-answer p { padding-bottom: 16px; }
  .btn-lg { width: 100%; }
  .section-cta h2 { font-size: 22px; }
  .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
}

/* roulang page: article */
:root {
            --brand-dark: #0A2D5C;
            --brand-blue: #1564C7;
            --brand-blue-hover: #1B74DD;
            --brand-light: #E8F1FA;
            --bg: #F5F8FC;
            --accent: #F2711B;
            --accent-hover: #F9812E;
            --success: #0E9F6E;
            --text: #0F1F38;
            --text-secondary: #54667A;
            --text-muted: #8A9BAE;
            --border: #DCE6F0;
            --white: #FFFFFF;
            --shadow: 0 8px 24px rgba(10,45,92,0.08);
            --shadow-hover: 0 12px 30px rgba(10,45,92,0.14);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --radius-xs: 6px;
            --font: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --container: 1200px;
        }
        *,
        *::before,
        *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: var(--brand-blue);
            text-decoration: none;
            transition: color .15s ease;
        }
        a:hover {
            color: var(--brand-blue-hover);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            height: 40px;
            padding: 0 22px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .15s ease;
            line-height: 1;
            white-space: nowrap;
            background: transparent;
        }
        .btn:focus-visible {
            outline: 3px solid rgba(21, 100, 199, .35);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--brand-blue);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--brand-blue-hover);
            color: #fff;
            box-shadow: 0 6px 18px rgba(21, 100, 199, .28);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            background: #0E4EA0;
            transform: translateY(0);
        }
        .btn-ghost {
            background: transparent;
            border-color: var(--border);
            color: var(--brand-dark);
        }
        .btn-ghost:hover {
            background: var(--brand-light);
            border-color: var(--brand-blue);
            color: var(--brand-blue);
        }
        .btn-orange {
            background: var(--accent);
            color: #fff;
        }
        .btn-orange:hover {
            background: var(--accent-hover);
            color: #fff;
            box-shadow: 0 8px 20px rgba(242, 113, 27, .3);
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--brand-dark);
            border-color: rgba(255, 255, 255, .35);
        }
        .btn-white:hover {
            background: rgba(255, 255, 255, .9);
            color: var(--brand-dark);
            border-color: #fff;
        }
        .btn-sm {
            height: 36px;
            padding: 0 16px;
            font-size: 13px;
        }
        .btn-lg {
            height: 48px;
            padding: 0 30px;
            font-size: 16px;
            border-radius: 10px;
        }
        .top-ticker {
            background: var(--brand-dark);
            color: #D7E3F5;
            font-size: 13px;
            height: 36px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .top-ticker .container {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ticker-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }
        .ticker-text {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .top-ticker a {
            color: #FFD9BE;
            font-weight: 500;
            margin-left: auto;
            flex-shrink: 0;
        }
        .top-ticker a:hover {
            color: #fff;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(220, 230, 240, .8);
            box-shadow: 0 4px 18px rgba(10, 45, 92, .04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            gap: 32px;
            height: 68px;
        }
        .brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--brand-blue), #0A2D5C);
            flex-shrink: 0;
        }
        .brand-icon svg {
            width: 20px;
            height: 20px;
        }
        .brand-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-dark);
            letter-spacing: .01em;
        }
        .brand-badge {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            background: rgba(242, 113, 27, .12);
            padding: 2px 8px;
            border-radius: 4px;
            line-height: 1.5;
        }
        .main-nav {
            display: flex;
            gap: 28px;
            margin-left: 8px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 10px 0;
            position: relative;
            line-height: 1.4;
        }
        .nav-link:hover {
            color: var(--brand-blue);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            border-radius: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .2s ease;
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--brand-blue);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 3px;
            border-radius: 2px;
            background: var(--brand-blue);
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: auto;
        }
        .search-box {
            display: flex;
            align-items: center;
            gap: 6px;
            width: 190px;
            height: 36px;
            background: var(--bg);
            border: 1px solid transparent;
            border-radius: 8px;
            padding: 0 12px;
            transition: border-color .15s ease, box-shadow .15s ease, background .15s ease;
        }
        .search-box:focus-within {
            background: #fff;
            border-color: var(--brand-blue);
            box-shadow: 0 0 0 3px rgba(21, 100, 199, .14);
        }
        .search-box svg {
            width: 15px;
            height: 15px;
            fill: var(--text-muted);
            flex-shrink: 0;
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 13px;
            width: 100%;
            color: var(--text);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background: #fff;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            margin-left: auto;
        }
        .nav-toggle span {
            width: 18px;
            height: 2px;
            background: var(--brand-dark);
            border-radius: 2px;
            transition: all .25s ease;
            display: block;
        }
        .nav-toggle.active span:nth-child(1) {
            transform: translateY(6px) rotate(45deg);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-6px) rotate(-45deg);
        }
        .mobile-menu {
            display: none;
            background: #fff;
            border-top: 1px solid var(--border);
            padding: 16px 24px 24px;
            box-shadow: 0 16px 24px rgba(10, 45, 92, .08);
        }
        .mobile-menu.open {
            display: block;
        }
        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav a {
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            border-radius: 8px;
        }
        .mobile-nav a:hover {
            background: var(--bg);
            color: var(--brand-blue);
        }
        .mobile-nav a.active {
            color: var(--brand-blue);
            background: var(--brand-light);
        }
        .mobile-actions {
            display: flex;
            gap: 12px;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .mobile-actions .btn {
            flex: 1;
        }
        .article-hero {
            position: relative;
            background: linear-gradient(135deg, var(--brand-light) 0%, #F0F6FF 55%, var(--white) 100%);
            border-bottom: 1px solid var(--border);
            padding: 52px 0 48px;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            width: 340px;
            height: 340px;
            border-radius: 50%;
            background: rgba(21, 100, 199, .06);
            top: -130px;
            right: -90px;
            pointer-events: none;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(242, 113, 27, .045);
            bottom: -70px;
            left: 6%;
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 1;
            max-width: 980px;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--brand-blue);
        }
        .crumb-sep {
            color: #C3D2E2;
        }
        .category-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            background: rgba(21, 100, 199, .1);
            color: var(--brand-blue);
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 16px;
        }
        .article-hero h1 {
            font-size: 32px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 18px;
            letter-spacing: -.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .meta-item svg {
            width: 14px;
            height: 14px;
            fill: var(--text-muted);
        }
        .meta-divider {
            width: 1px;
            height: 12px;
            background: var(--border);
        }
        .article-main {
            padding: 56px 0 32px;
        }
        .article-layout {
            max-width: 800px;
            margin: 0 auto;
        }
        .article-content {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 48px;
            box-shadow: var(--shadow);
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
        }
        .article-content h1,
        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--text);
            margin-top: 32px;
            margin-bottom: 16px;
            font-weight: 600;
            line-height: 1.4;
        }
        .article-content h1 {
            font-size: 26px;
        }
        .article-content h2 {
            font-size: 22px;
            padding-left: 14px;
            border-left: 4px solid var(--brand-blue);
            border-radius: 2px;
        }
        .article-content h3 {
            font-size: 18px;
        }
        .article-content h4 {
            font-size: 16px;
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content a {
            color: var(--brand-blue);
            font-weight: 500;
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: rgba(21, 100, 199, .3);
        }
        .article-content a:hover {
            text-decoration-color: var(--brand-blue);
            color: var(--brand-blue-hover);
        }
        .article-content img {
            border-radius: var(--radius-md);
            box-shadow: 0 4px 14px rgba(10, 45, 92, .1);
            margin: 26px 0;
        }
        .article-content blockquote {
            padding: 18px 20px;
            background: var(--brand-light);
            border-left: 3px solid #A8C8EA;
            border-radius: 8px;
            margin: 26px 0;
            color: var(--text-secondary);
            font-style: normal;
        }
        .article-content blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-content ul,
        .article-content ol {
            margin: 0 0 20px 24px;
        }
        .article-content li {
            margin-bottom: 8px;
        }
        .article-content code {
            background: #F0F4F9;
            color: #0A2D5C;
            padding: 2px 8px;
            border-radius: 5px;
            font-size: 14px;
            font-family: "SF Mono", "Roboto Mono", Consolas, monospace;
        }
        .article-content pre {
            background: var(--brand-dark);
            color: #DCE9F7;
            padding: 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 26px 0;
            font-size: 14px;
            line-height: 1.7;
        }
        .article-content pre code {
            background: transparent;
            padding: 0;
        }
        .article-content hr {
            border: none;
            height: 1px;
            background: var(--border);
            margin: 32px 0;
        }
        .not-found {
            text-align: center;
            padding: 40px 24px;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }
        .not-found-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 50%;
            border: 2px dashed var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            color: var(--text-muted);
            font-weight: 300;
            background: var(--bg);
        }
        .not-found h2 {
            font-size: 22px;
            color: var(--text);
            margin-bottom: 8px;
        }
        .not-found p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 22px;
        }
        .article-footer {
            max-width: 800px;
            margin: 0 auto;
            padding: 24px 0 0;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 28px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
        }
        .tags-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            margin-right: 4px;
        }
        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--brand-blue);
            background: var(--brand-light);
            padding: 5px 14px;
            border-radius: 6px;
            transition: all .15s ease;
            border: 1px solid transparent;
        }
        .tag:hover {
            background: var(--brand-blue);
            color: #fff;
            border-color: var(--brand-blue);
        }
        .article-pager {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 56px;
        }
        .pager-link {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            transition: all .15s ease;
        }
        .pager-link:hover {
            border-color: rgba(21, 100, 199, .4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .pager-link.pager-next {
            text-align: right;
            justify-content: flex-end;
        }
        .pager-arrow {
            font-size: 18px;
            color: var(--brand-blue);
            font-weight: 400;
            flex-shrink: 0;
        }
        .pager-label {
            display: block;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 4px;
        }
        .pager-title {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }
        .related-section {
            padding: 56px 0 64px;
            background: var(--white);
            border-top: 1px solid var(--border);
        }
        .section-head {
            margin-bottom: 32px;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -.01em;
            line-height: 1.3;
        }
        .section-sub {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 6px;
        }
        .section-more {
            font-size: 14px;
            font-weight: 500;
            color: var(--brand-blue);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all .2s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(21, 100, 199, .25);
        }
        .related-card .card-cover {
            width: 100%;
            height: 170px;
            object-fit: cover;
            transition: transform .3s ease;
        }
        .related-card:hover .card-cover {
            transform: scale(1.03);
        }
        .related-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-tag {
            display: inline-block;
            align-self: flex-start;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-blue);
            background: var(--brand-light);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 10px;
        }
        .related-card h3 {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .related-card h3 a {
            color: var(--text);
        }
        .related-card h3 a:hover {
            color: var(--brand-blue);
        }
        .card-date {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: auto;
            padding-top: 10px;
            border-top: 1px solid var(--border);
            display: block;
        }
        .read-more {
            font-size: 13px;
            font-weight: 500;
            margin-top: 8px;
        }
        .article-cta {
            padding: 64px 0;
            background: linear-gradient(135deg, var(--brand-dark) 0%, #123A6E 60%, #1A4B8A 100%);
            position: relative;
            overflow: hidden;
        }
        .article-cta::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, .08);
            top: -100px;
            right: 8%;
        }
        .article-cta::after {
            content: '';
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, .06);
            bottom: -60px;
            left: 12%;
        }
        .cta-box {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .cta-box h2 {
            color: #fff;
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .cta-box p {
            color: #BBD0EA;
            font-size: 15px;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }
        .site-footer {
            background: var(--brand-dark);
            color: #B3C4D9;
            padding: 60px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 44px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
        }
        .footer-brand .brand-icon {
            width: 30px;
            height: 30px;
            border-radius: 8px;
        }
        .footer-brand .brand-icon svg {
            width: 18px;
            height: 18px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 17px;
        }
        .footer-brand .brand-badge {
            background: rgba(242, 113, 27, .16);
            color: #FFB88A;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #9BB4CF;
            max-width: 360px;
        }
        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: #B3C4D9;
            font-size: 14px;
        }
        .footer-links a:hover {
            color: #fff;
            text-decoration: underline;
            text-underline-offset: 4px;
        }
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding-top: 22px;
            font-size: 13px;
            color: #8097AE;
        }
        .legal {
            display: inline-flex;
            gap: 16px;
            align-items: center;
        }
        .legal span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 12px;
            color: #8097AE;
        }
        @media (max-width: 1024px) {
            .header-inner {
                gap: 20px;
            }
            .main-nav {
                gap: 18px;
            }
            .search-box {
                width: 150px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            .header-inner {
                height: 60px;
                gap: 12px;
            }
            .main-nav,
            .header-actions .btn-ghost,
            .header-actions .btn-primary,
            .search-box {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .brand-text {
                font-size: 17px;
            }
            .article-hero {
                padding: 36px 0 32px;
            }
            .article-hero h1 {
                font-size: 24px;
            }
            .article-hero .container {
                max-width: 100%;
            }
            .article-main {
                padding: 32px 0 24px;
            }
            .article-content {
                padding: 28px 20px;
            }
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-card .card-cover {
                height: 180px;
            }
            .article-pager {
                grid-template-columns: 1fr;
            }
            .article-cta {
                padding: 44px 0;
            }
            .cta-box {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-actions {
                width: 100%;
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .top-ticker .container {
                gap: 6px;
            }
            .ticker-text {
                font-size: 12px;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
                flex: 1;
            }
            .top-ticker a {
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 21px;
            }
            .breadcrumb {
                font-size: 12px;
                gap: 5px;
            }
            .article-meta {
                gap: 10px;
                font-size: 12px;
                flex-wrap: wrap;
            }
            .meta-divider {
                display: none;
            }
            .article-content {
                font-size: 15px;
                line-height: 1.75;
                padding: 24px 16px;
                border-radius: 12px;
            }
            .section-title {
                font-size: 22px;
            }
            .related-card .card-cover {
                height: 160px;
            }
            .brand-badge {
                font-size: 10px;
                padding: 1px 6px;
            }
            .nav-toggle {
                width: 36px;
                height: 36px;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #0A2D5C;
  --primary-bright: #1564C7;
  --primary-light: #E8F1FA;
  --bg: #F5F8FC;
  --accent: #F2711B;
  --success: #0E9F6E;
  --text: #0F1F38;
  --text-secondary: #54667A;
  --text-muted: #8A9BAE;
  --border: #DCE6F0;
  --shadow-card: 0 8px 24px rgba(10,45,92,0.08);
  --shadow-hover: 0 12px 30px rgba(10,45,92,0.14);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition: all .25s ease;
  --container: 1200px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 15px;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

button, input {
  font: inherit;
  border: none;
  outline: none;
}

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

/* ========== Header ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.84);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(220, 230, 240, 0.7);
  transition: box-shadow .3s ease;
}

.site-header.scrolled {
  box-shadow: 0 6px 20px rgba(10, 45, 92, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 30px;
  height: 68px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.brand-icon {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1564C7, #0A2D5C);
  border-radius: 10px;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.brand-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--primary-bright);
  background: var(--primary-light);
  border-radius: 4px;
  padding: 2px 6px;
  line-height: 1.4;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}

.nav-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--primary-bright);
}

.nav-link.active {
  color: var(--primary-bright);
  font-weight: 600;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background: var(--primary-bright);
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.search-wrap {
  position: relative;
}

.search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
}

.search-wrap input {
  width: 160px;
  height: 36px;
  border-radius: 8px;
  background: #F0F4F9;
  padding: 0 10px 0 34px;
  font-size: 13px;
  color: var(--text);
  transition: var(--transition);
  border: 1px solid transparent;
}

.search-wrap input::placeholder {
  color: var(--text-muted);
}

.search-wrap input:focus {
  width: 200px;
  background: #fff;
  border-color: var(--primary-bright);
  box-shadow: 0 0 0 3px rgba(21, 100, 199, 0.15);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 36px;
  padding: 0 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--primary-bright);
  color: #fff;
}

.btn-primary:hover {
  background: #1C74E0;
  box-shadow: 0 6px 18px rgba(21, 100, 199, 0.35);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--primary-light);
  border-color: var(--primary-bright);
  color: var(--primary-bright);
}

.btn-accent {
  background: var(--accent);
  color: #fff;
  height: 48px;
  padding: 0 32px;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(242, 113, 27, 0.3);
}

.btn-accent:hover {
  background: #ff7f2c;
  box-shadow: 0 12px 28px rgba(242, 113, 27, 0.4);
  transform: translateY(-2px);
}

.nav-toggle {
  display: none;
  width: 36px;
  height: 36px;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--primary);
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--primary-light);
}

/* ========== Hero ========== */
.category-hero {
  position: relative;
  min-height: 330px;
  display: flex;
  align-items: center;
  background: linear-gradient(120deg, rgba(232, 241, 250, 0.96), rgba(245, 248, 252, 0.98)), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.category-hero::after {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(21, 100, 199, 0.06);
  pointer-events: none;
}

.hero-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  width: 100%;
  position: relative;
  z-index: 1;
  padding-top: 48px;
  padding-bottom: 48px;
}

.hero-copy {
  flex: 1.2;
}

.breadcrumb {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  display: flex;
  gap: 6px;
  align-items: center;
}

.breadcrumb a {
  color: var(--primary-bright);
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.category-hero h1 {
  font-size: 40px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.category-hero .hero-desc {
  font-size: 15px;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.8;
}

.hero-visual {
  flex: 0.8;
  max-width: 380px;
}

.hero-visual img {
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(10, 45, 92, 0.15);
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ========== Sections ========== */
.section-block {
  padding: 72px 0;
}

.section-block.intro {
  padding-bottom: 24px;
}

.section-head {
  text-align: center;
  margin-bottom: 44px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.section-head p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 10px;
}

/* ========== Focus Cards ========== */
.focus-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.focus-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 22px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  transition: var(--transition);
}

.focus-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: #BBD4EC;
}

.focus-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
  color: var(--primary-bright);
}

.focus-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 10px;
}

.focus-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== Process ========== */
.process-section {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.process-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  position: relative;
}

.step-card {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  border: 1px solid var(--border);
  transition: var(--transition);
  position: relative;
}

.step-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  background: #fff;
}

.step-num {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--primary-bright);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  box-shadow: 0 4px 10px rgba(21, 100, 199, 0.25);
}

.step-card h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.step-card p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--bg);
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: box-shadow .3s ease, border-color .3s ease;
}

.faq-item.open {
  box-shadow: var(--shadow-card);
  border-color: #BBD4EC;
}

.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  user-select: none;
  transition: var(--transition);
}

.faq-q:hover {
  color: var(--primary-bright);
}

.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary-bright);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 500;
  transition: transform .3s ease;
  flex-shrink: 0;
  margin-left: 12px;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}

.faq-a-inner {
  padding: 0 22px 18px;
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.75;
}

/* ========== CTA ========== */
.cta-section {
  background: var(--primary);
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  background-blend-mode: soft-light;
  padding: 80px 0;
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(10, 45, 92, 0.88), rgba(10, 45, 92, 0.96));
  pointer-events: none;
}

.cta-section .container {
  position: relative;
  z-index: 1;
}

.cta-section h2 {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.cta-section p {
  font-size: 15px;
  color: #B3C4D9;
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--primary);
  color: #B3C4D9;
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}

.brand-icon {
  display: flex;
}

.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}

.brand-badge {
  font-size: 11px;
  font-weight: 600;
  color: #D7E9FF;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 4px;
  padding: 2px 6px;
}

.footer-desc {
  font-size: 13px;
  line-height: 1.8;
  color: #B3C4D9;
  max-width: 340px;
}

.footer-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  font-size: 14px;
  color: #B3C4D9;
}

.footer-links a:hover {
  color: #fff;
  text-decoration: underline;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 14px;
  color: #B3C4D9;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #8097AE;
  flex-wrap: wrap;
  gap: 10px;
}

.legal {
  display: flex;
  gap: 14px;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .header-inner {
    gap: 18px;
  }
  .main-nav {
    gap: 18px;
  }
  .search-wrap input {
    width: 130px;
  }
  .search-wrap input:focus {
    width: 160px;
  }
  .hero-inner {
    gap: 24px;
  }
  .focus-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .header-inner {
    position: relative;
    height: 60px;
  }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px 20px;
    box-shadow: 0 16px 32px rgba(10, 45, 92, 0.12);
    gap: 4px;
    display: none;
    border-bottom: 1px solid var(--border);
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    width: 100%;
    padding: 10px 0;
    font-size: 15px;
    border-bottom: 1px solid #F0F4F9;
  }

  .nav-link.active::after {
    display: none;
  }

  .header-tools {
    margin-left: auto;
  }

  .header-tools .search-wrap,
  .header-tools .btn-ghost {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .hero-inner {
    flex-direction: column;
    padding: 40px 0;
  }

  .hero-visual {
    max-width: 100%;
  }

  .category-hero h1 {
    font-size: 30px;
  }

  .section-block {
    padding: 56px 0;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .focus-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .process-track {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .cta-section h2 {
    font-size: 24px;
  }

  .cta-section {
    padding: 56px 0;
  }
}

@media (max-width: 520px) {
  .brand-text {
    font-size: 17px;
  }

  .brand-badge {
    font-size: 10px;
    padding: 1px 4px;
  }

  .btn-primary {
    padding: 0 14px;
    font-size: 13px;
  }

  .category-hero {
    min-height: auto;
  }

  .category-hero h1 {
    font-size: 26px;
  }

  .section-head p {
    font-size: 13px;
  }

  .focus-card {
    padding: 22px 18px;
  }

  .step-card {
    padding: 20px 16px;
  }

  .btn-accent {
    width: 100%;
  }

  .legal {
    flex-wrap: wrap;
  }
}