/* roulang page: index */
:root{
  --primary:#266A80;
  --primary-dark:#1D5667;
  --primary-light:#DFEEF3;
  --bg:#F6F9FB;
  --bg-soft:#EAF2F6;
  --white:#FFFFFF;
  --text:#1D2B33;
  --text-secondary:#5A6E78;
  --text-weak:#82959E;
  --border:#E1E8EC;
  --accent:#C26A2D;
  --accent-dark:#B8641F;
  --success:#2C8068;
  --error:#C0443E;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(29,43,51,0.04), 0 8px 24px rgba(29,43,51,0.04);
  --shadow-lg:0 20px 40px -20px rgba(29,86,103,0.18);
  --container:1220px;
  --section-space:96px;
  --font-sans:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:130px}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-weight:600;
  line-height:1.3;
  color:var(--text);
  letter-spacing:-0.01em;
}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:20px}
h4{font-size:18px}
p{margin:0}
button,input,select,textarea{
  font-family:inherit;
  font-size:1rem;
  color:var(--text);
}
input,select,textarea:focus{
  outline:none;
}
.container{
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{
  padding:var(--section-space) 0;
}
.section-title{
  font-size:32px;
  line-height:1.25;
}
.section-desc{
  margin-top:12px;
  color:var(--text-secondary);
  font-size:16px;
  max-width:700px;
  line-height:1.8;
}
.section-head{
  max-width:780px;
  margin-bottom:48px;
}
.section-head .eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--primary);
  font-size:14px;
  font-weight:600;
  margin-bottom:12px;
}
.section-head .eyebrow::before{
  content:"";
  width:20px;
  height:2px;
  background:var(--primary);
  border-radius:99px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:10px;
  padding:0 22px;
  height:48px;
  font-weight:600;
  font-size:16px;
  cursor:pointer;
  text-decoration:none;
  transition:all .2s ease;
  white-space:nowrap;
  line-height:1.2;
}
.btn:disabled{
  opacity:.6;
  cursor:not-allowed;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
  border-color:var(--primary);
}
.btn-primary:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px -12px rgba(29,86,103,.5);
}
.btn-primary:focus-visible{
  outline:3px solid var(--primary-light);
  outline-offset:2px;
  background:var(--primary-dark);
}
.btn-primary:active{
  transform:translateY(0);
  box-shadow:none;
}
.btn-accent{
  background:var(--accent);
  color:#fff;
  border-color:var(--accent);
}
.btn-accent:hover{
  background:var(--accent-dark);
  border-color:var(--accent-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 24px -12px rgba(178,100,31,.45);
}
.btn-accent:focus-visible{
  outline:3px solid rgba(194,106,45,.25);
  outline-offset:2px;
}
.btn-ghost{
  background:#fff;
  border-color:var(--border);
  color:var(--primary);
  padding:0 20px;
}
.btn-ghost:hover{
  border-color:var(--primary);
  background:var(--primary-light);
  color:var(--primary);
  transform:translateY(-2px);
  box-shadow:var(--shadow-sm);
}
.btn-ghost:focus-visible{
  outline:3px solid var(--primary-light);
  outline-offset:2px;
}
.btn-light{
  background:#fff;
  color:var(--primary);
  border-color:#fff;
}
.btn-light:hover{
  background:var(--primary-light);
  color:var(--primary-dark);
  transform:translateY(-2px);
  box-shadow:0 16px 32px -16px rgba(29,86,103,.3);
}
.btn-sm{
  height:40px;
  padding:0 18px;
  font-size:15px;
}

/* Header */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 0 rgba(29,43,51,.02);
}
.header-row{
  display:flex;
  align-items:center;
  gap:18px;
  max-width:var(--container);
  margin:0 auto;
  padding:14px 24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  flex:none;
  color:var(--text);
  font-weight:700;
  font-size:22px;
  line-height:1.2;
  letter-spacing:0;
}
.brand:hover{color:var(--primary)}
.brand-mark{
  width:34px;
  height:34px;
  flex:none;
  border-radius:9px;
  background:var(--primary);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:13px;
  font-weight:800;
  letter-spacing:-.02em;
}
.header-search{
  flex:1;
  display:flex;
  justify-content:center;
  min-width:240px;
}
.search-form{
  width:100%;
  max-width:640px;
  display:flex;
  align-items:center;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:999px;
  padding:4px 4px 4px 18px;
  box-shadow:0 1px 2px rgba(29,86,103,.04);
  transition:border .2s ease,box-shadow .2s ease;
}
.search-form:hover{
  border-color:#c2d6de;
}
.search-form:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(38,106,128,.12);
}
.search-form input{
  width:100%;
  border:none;
  outline:none;
  background:transparent;
  color:var(--text);
  font-size:15px;
  height:40px;
  line-height:1.2;
}
.search-form input::placeholder{
  color:var(--text-weak);
  opacity:1;
}
.search-icon{
  flex:none;
  margin-right:9px;
  color:var(--text-weak);
  display:inline-flex;
}
.search-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:none;
  gap:6px;
  background:var(--primary);
  border:none;
  color:#fff;
  height:40px;
  padding:0 18px;
  border-radius:999px;
  font-weight:600;
  font-size:14px;
  cursor:pointer;
  transition:all .2s ease;
}
.search-btn:hover{
  background:var(--primary-dark);
}
.search-btn:active{
  transform:translateY(1px);
}
.header-actions{
  flex:none;
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-toggle{
  display:none;
  flex:none;
  width:44px;
  height:44px;
  padding:0;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:10px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  color:var(--text);
  transition:all .2s;
}
.nav-toggle:hover{
  background:var(--primary-light);
  color:var(--primary);
}
.nav-toggle:focus-visible{
  outline:3px solid var(--primary-light);
  outline-offset:2px;
}
.header-nav{
  background:var(--white);
  border-top:1px solid var(--border);
}
.header-nav-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:8px 24px;
  display:flex;
  align-items:center;
  gap:4px;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:9px 14px;
  border-radius:999px;
  color:var(--text-secondary);
  font-weight:500;
  font-size:15px;
  line-height:1.2;
  transition:color .18s,background .18s;
}
.nav-link:hover{
  color:var(--primary);
  background:var(--primary-light);
}
.nav-link.active{
  color:var(--primary-dark);
  background:var(--primary-light);
  font-weight:600;
}
.nav-link:focus-visible{
  outline:3px solid rgba(38,106,128,.25);
  outline-offset:1px;
}

/* Hero */
.hero-section{
  background:var(--bg);
  border-bottom:1px solid var(--border);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:60px;
  align-items:center;
  padding:76px 0;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  background:var(--primary-light);
  color:var(--primary);
  border-radius:999px;
  font-size:14px;
  font-weight:600;
  margin-bottom:22px;
}
.hero-title{
  font-size:46px;
  line-height:1.2;
  letter-spacing:-0.02em;
  margin-bottom:20px;
}
.hero-title em{
  font-style:normal;
  color:var(--primary);
}
.hero-desc{
  color:var(--text-secondary);
  font-size:17px;
  line-height:1.85;
  margin-bottom:30px;
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:32px;
}
.hero-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.tag{
  font-size:13px;
  line-height:1.2;
  color:var(--text-secondary);
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  padding:6px 12px;
}
.hero-media{
  position:relative;
}
.hero-img-wrap{
  border-radius:18px;
  overflow:hidden;
  background:var(--primary-light);
  box-shadow:var(--shadow-lg);
  border:1px solid #fff;
}
.hero-img-wrap img{
  width:100%;
  height:430px;
  object-fit:cover;
}
.hero-float-card{
  position:absolute;
  bottom:-22px;
  left:-26px;
  background:var(--white);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-lg);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:12px;
  border:1px solid var(--border);
}
.hero-float-card .float-ico{
  width:40px;
  height:40px;
  border-radius:10px;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  flex:none;
}
.hero-float-card strong{
  display:block;
  color:var(--text);
  font-size:14px;
  line-height:1.3;
}
.hero-float-card span{
  font-size:13px;
  color:var(--text-weak);
}

/* Timeline */
.section-motion{
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  position:relative;
  isolation:isolate;
}
.section-motion::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(246,249,251,.95);
  z-index:-1;
}
.timeline{
  position:relative;
  display:grid;
  gap:24px;
}
.timeline-item{
  position:relative;
  display:flex;
  gap:24px;
  align-items:flex-start;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:22px 26px;
  box-shadow:var(--shadow-sm);
  transition:all .22s ease;
}
.timeline-item:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
  border-color:rgba(38,106,128,.3);
}
.timeline-date{
  flex:none;
  padding-top:2px;
  font-weight:700;
  color:var(--primary);
  font-size:13px;
  letter-spacing:.02em;
  min-width:108px;
  display:flex;
  flex-direction:column;
  line-height:1.4;
}
.timeline-date span{
  color:var(--text-weak);
  font-weight:400;
}
.timeline-dot{
  position:absolute;
  left:126px;
  top:34px;
  width:9px;
  height:9px;
  border:2px solid #fff;
  background:var(--primary);
  border-radius:50%;
  box-shadow:0 0 0 4px var(--primary-light);
  display:none;
}
.timeline-content h3{
  font-size:18px;
  margin-bottom:8px;
}
.timeline-content p{
  color:var(--text-secondary);
  line-height:1.7;
  font-size:15px;
}

/* Content channel grid */
.channel-section{
  background:var(--white);
}
.guide-grid{
  display:grid;
  grid-template-columns:1.16fr .84fr;
  gap:24px;
  align-items:stretch;
}
.guide-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.guide-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-3px);
}
.guide-primary{
  min-height:540px;
  display:flex;
  flex-direction:column;
}
.guide-cover{
  flex:none;
  aspect-ratio:16/9;
  max-height:250px;
  overflow:hidden;
  background:var(--primary-light);
}
.guide-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.guide-content{
  padding:28px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  flex:1;
}
.guide-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  background:var(--primary-light);
  border-radius:999px;
  padding:5px 11px;
  margin-bottom:14px;
}
.guide-content h3{
  font-size:23px;
  margin-bottom:8px;
}
.guide-content p{
  color:var(--text-secondary);
  line-height:1.8;
  margin-bottom:16px;
}
.guide-list{
  list-style:none;
  margin:0 0 22px;
  padding:0;
  display:grid;
  gap:8px;
}
.guide-list li{
  position:relative;
  padding-left:20px;
  color:var(--text-secondary);
  line-height:1.6;
  font-size:15px;
}
.guide-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:7px;
  height:7px;
  background:var(--primary);
  border-radius:2px;
}
.guide-secondary{
  display:grid;
  grid-template-rows:1fr 1fr;
  gap:24px;
}
.guide-mini{
  background:var(--bg-soft);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 26px 22px;
  transition:all .2s ease;
}
.guide-mini:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-3px);
  background:#fff;
}
.guide-mini .guide-tag{
  background:#fff;
}
.guide-mini:hover .guide-tag{
  background:var(--primary-light);
}
.guide-mini h3{
  font-size:19px;
  margin-bottom:8px;
}
.guide-mini p{
  color:var(--text-secondary);
  line-height:1.75;
  font-size:15px;
  margin-bottom:14px;
}
.guide-link{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-weight:600;
  font-size:15px;
  color:var(--primary);
}
.guide-link:hover{
  color:var(--accent);
}
.chip-list{
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:0 0 14px;
}
.chip-list span{
  padding:5px 10px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  font-size:13px;
  color:var(--text-secondary);
}
.guide-mini:hover .chip-list span{
  background:var(--primary-light);
  border-color:var(--primary-light);
  color:var(--primary-dark);
}

/* Service offers */
.service-section{
  background:var(--bg);
}
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
  align-items:stretch;
}
.plan-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:30px;
  position:relative;
  display:flex;
  flex-direction:column;
  transition:all .22s ease;
}
.plan-card:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
  border-color:rgba(38,106,128,.28);
}
.plan-card.is-hot{
  border:1px solid var(--primary);
  background:#fff;
  transform:translateY(-12px);
  box-shadow:0 22px 44px -20px rgba(29,86,103,.28);
  z-index:1;
}
.plan-card.is-hot:hover{
  transform:translateY(-14px);
}
.plan-badge{
  position:absolute;
  top:-14px;
  left:26px;
  background:var(--accent);
  color:#fff;
  font-size:13px;
  font-weight:700;
  padding:5px 12px;
  border-radius:999px;
  box-shadow:0 4px 8px rgba(194,106,45,.2);
  letter-spacing:.02em;
}
.plan-icon{
  width:54px;
  height:54px;
  border-radius:14px;
  background:var(--primary-light);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:22px;
}
.plan-card h3{
  font-size:22px;
  margin-bottom:10px;
}
.plan-card .plan-sub{
  color:var(--text-weak);
  font-size:14px;
  margin-bottom:18px;
}
.plan-list{
  list-style:none;
  padding:0;
  margin:0 0 24px;
  display:grid;
  gap:12px;
  border-top:1px solid var(--border);
  padding-top:22px;
}
.plan-list li{
  display:flex;
  gap:9px;
  align-items:flex-start;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.6;
}
.plan-list svg{
  flex:none;
  margin-top:4px;
  color:var(--primary);
}
.plan-card .btn{
  margin-top:auto;
  width:100%;
}
.plan-actions{
  display:flex;
  gap:10px;
  margin-top:auto;
}
.plan-actions .btn{
  flex:1;
}

/* Form and contact */
.form-section{
  background:var(--white);
  padding:var(--section-space) 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:32px;
  align-items:start;
}
.form-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);
  padding:34px;
}
.form-title{
  font-size:28px;
  margin-bottom:14px;
}
.form-note{
  color:var(--text-weak);
  font-size:14px;
  margin-bottom:24px;
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px 16px;
}
.form-field{
  display:flex;
  flex-direction:column;
  gap:7px;
}
.form-field.full{
  grid-column:1/-1;
}
.form-field label{
  font-size:14px;
  font-weight:600;
  color:var(--text);
}
.form-field input,
.form-field select,
.form-field textarea{
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--bg);
  padding:11px 14px;
  min-height:46px;
  line-height:1.4;
  width:100%;
  transition:all .18s ease;
}
.form-field textarea{
  min-height:110px;
  resize:vertical;
}
.form-field input:hover,
.form-field select:hover,
.form-field textarea:hover{
  border-color:#c2d3da;
  background:#fff;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 4px rgba(38,106,128,.1);
}
.form-field input::placeholder,
.form-field textarea::placeholder{
  color:var(--text-weak);
}
.form-submit{
  margin-top:22px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
}
.form-success{
  width:100%;
  background:rgba(44,128,104,.1);
  border:1px solid var(--success);
  color:var(--success);
  border-radius:10px;
  padding:12px 16px;
  font-size:14px;
  font-weight:500;
  display:none;
}
.form-success.visible{
  display:block;
}
.contact-panel{
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:30px;
}
.contact-panel h3{
  font-size:20px;
  margin-bottom:12px;
}
.contact-panel p{
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.8;
  margin-bottom:22px;
}
.contact-line{
  display:flex;
  align-items:flex-start;
  gap:12px;
  margin-bottom:16px;
}
.contact-line .contact-ico{
  width:38px;
  height:38px;
  flex:none;
  background:var(--primary-light);
  color:var(--primary);
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.contact-line strong{
  display:block;
  font-size:14px;
}
.contact-line span{
  color:var(--text-secondary);
  font-size:14px;
}
.mini-tips{
  background:var(--primary-light);
  border-radius:10px;
  padding:14px 16px;
  color:var(--primary-dark);
  font-size:14px;
  margin-top:14px;
  line-height:1.7;
}

/* Latest content list */
.news-section{
  background:var(--bg);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.news-list{
  display:grid;
  gap:16px;
}
.news-item{
  display:flex;
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:all .2s ease;
}
.news-item:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-2px);
  border-color:rgba(38,106,128,.25);
}
.news-thumb{
  width:210px;
  min-height:144px;
  flex:none;
  overflow:hidden;
  background:var(--primary-light);
  position:relative;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.news-item:hover .news-thumb img{
  transform:scale(1.03);
}
.news-body{
  padding:18px 24px 16px;
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:8px;
  flex:1;
}
.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  font-size:13px;
  color:var(--text-weak);
}
.badge{
  display:inline-flex;
  align-items:center;
  background:var(--primary-light);
  color:var(--primary);
  border-radius:999px;
  padding:4px 11px;
  font-size:13px;
  font-weight:600;
}
.news-body h3{
  font-size:18px;
  line-height:1.45;
}
.news-body h3 a{
  color:var(--text);
}
.news-body h3 a:hover{
  color:var(--primary);
}
.news-excerpt{
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.text-link{
  margin-top:6px;
  display:inline-flex;
  align-items:center;
  gap:5px;
  font-weight:600;
  font-size:14px;
  color:var(--primary);
}
.text-link:hover{
  color:var(--accent);
}
.text-link svg{
  transition:transform .2s;
}
.text-link:hover svg{
  transform:translateX(3px);
}
.empty-state{
  background:#fff;
  border:1px dashed var(--border);
  border-radius:var(--radius-md);
  padding:30px;
  text-align:center;
  color:var(--text-weak);
  font-size:15px;
}
.news-list-empty{
  grid-column:1/-1;
}

/* FAQ */
.faq-section{
  background:#fff;
}
.faq-list{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{
  border-color:rgba(38,106,128,.3);
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 46px 20px 22px;
  display:flex;
  align-items:center;
  gap:12px;
  background:#fff;
  font-weight:600;
  font-size:16px;
  color:var(--text);
  position:relative;
  transition:background .2s;
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item summary::before{
  content:"Q";
  width:26px;
  height:26px;
  flex:none;
  border-radius:7px;
  background:var(--primary-light);
  color:var(--primary);
  text-align:center;
  font-size:13px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  font-size:24px;
  color:var(--text-weak);
  font-weight:400;
  transition:transform .25s ease;
}
.faq-item[open] summary{
  background:#F9FCFD;
}
.faq-item[open] summary::after{
  transform:translateY(-50%) rotate(45deg);
  color:var(--primary);
}
.faq-answer{
  padding:0 22px 22px 60px;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.8;
}
.faq-answer p{
  margin:8px 0;
}

/* Bottom CTA */
.bottom-cta{
  background:var(--primary-dark);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.bottom-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.12;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  z-index:1;
  padding:64px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-inner h2{
  color:#fff;
  font-size:27px;
  margin-bottom:8px;
}
.cta-inner p{
  color:rgba(255,255,255,.78);
  font-size:15px;
  line-height:1.7;
  max-width:640px;
}
.cta-buttons{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.btn-white{
  background:#fff;
  border-color:#fff;
  color:#1D5667;
}
.btn-white:hover{
  background:var(--primary-light);
  color:var(--primary-dark);
  border-color:var(--primary-light);
}
.btn-outline-white{
  background:transparent;
  border-color:rgba(255,255,255,.5);
  color:#fff;
}
.btn-outline-white:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  color:#fff;
}

/* Footer */
.site-footer{
  background:var(--white);
  border-top:1px solid var(--border);
}
.footer-top{
  display:grid;
  grid-template-columns:1.2fr .8fr 1fr 1fr;
  gap:32px;
  padding:64px 0 40px;
}
.footer-brand .brand{
  font-size:20px;
  margin-bottom:12px;
}
.footer-desc{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.8;
  max-width:280px;
}
.footer-desc a{
  color:var(--primary);
}
.footer-col h4{
  font-size:16px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:9px;
}
.footer-links a{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.6;
}
.footer-links a:hover{
  color:var(--primary);
}
.footer-contact{
  display:grid;
  gap:12px;
}
.footer-contact-item{
  display:flex;
  gap:8px;
  align-items:flex-start;
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.7;
}
.footer-contact-item svg{
  flex:none;
  margin-top:4px;
  color:var(--primary);
}
.footer-bottom{
  border-top:1px solid var(--border);
  padding:20px 0 24px;
  color:var(--text-weak);
  font-size:13px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:8px;
}
.footer-bottom .copyright{
  color:var(--text-secondary);
}
.footer-bottom .policy{
  display:inline-flex;
  gap:10px;
}

/* Responsive */
@media (max-width:1024px){
  :root{
    --section-space:82px;
  }
  .hero-title{
    font-size:38px;
  }
  .hero-img-wrap img{
    height:380px;
  }
  .hero-grid{
    gap:38px;
  }
  .guide-grid{
    grid-template-columns:1fr 1fr;
  }
  .guide-primary{
    min-height:auto;
  }
  .plan-grid{
    grid-template-columns:1fr 1fr;
  }
  .plan-card.is-hot{
    transform:none;
  }
  .plan-card.is-hot:hover{
    transform:none;
  }
  .footer-top{
    grid-template-columns:1fr 1fr;
  }
  .cta-grid{
    grid-template-columns:1fr;
  }
}
@media (max-width:768px){
  :root{
    --section-space:64px;
  }
  .header-actions .btn-header{
    display:none;
  }
  .nav-toggle{
    display:inline-flex;
    margin-left:auto;
  }
  .header-row{
    flex-wrap:wrap;
    gap:12px;
  }
  .header-search{
    order:3;
    flex-basis:100%;
    width:100%;
    max-width:100%;
  }
  .header-nav-inner{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
    display:none;
    padding-top:6px;
    padding-bottom:14px;
  }
  .header-nav.is-open .header-nav-inner{
    display:flex;
  }
  .nav-link{
    width:100%;
  }
  .hero-grid{
    grid-template-columns:1fr;
    padding:56px 0;
    gap:44px;
  }
  .hero-title{
    font-size:34px;
  }
  .hero-media{
    order:2;
  }
  .hero-float-card{
    left:10px;
    bottom:10px;
  }
  .guide-grid{
    grid-template-columns:1fr;
  }
  .guide-secondary{
    grid-template-rows:auto auto;
  }
  .guide-primary{
    min-height:auto;
  }
  .plan-grid{
    grid-template-columns:1fr;
  }
  .plan-card.is-hot{
    transform:none;
  }
  .plan-card.is-hot:hover{
    transform:none;
  }
  .form-grid{
    grid-template-columns:1fr;
  }
  .news-item{
    flex-direction:column;
  }
  .news-thumb{
    width:100%;
    height:160px;
  }
  .footer-top{
    grid-template-columns:1fr;
    gap:30px;
    padding-top:48px;
  }
  .cta-inner{
    padding:50px 0;
  }
  .timeline-item{
    flex-direction:column;
    gap:6px;
    padding:18px;
  }
  .timeline-date{
    border:none;
    padding-bottom:0;
  }
  .section-title{
    font-size:25px;
  }
}
@media (max-width:520px){
  .hero-title{
    font-size:30px;
  }
  .btn{
    height:44px;
    padding:0 18px;
  }
  .form-card{
    padding:22px;
  }
  .contact-panel{
    padding:22px;
  }
  .guide-content{
    padding:22px;
  }
  .guide-secondary{
    gap:16px;
  }
  .cta-buttons .btn{
    width:100%;
  }
  .plan-card{
    padding:24px;
  }
  .footer-bottom{
    flex-direction:column;
    align-items:flex-start;
  }
}

/* roulang page: article */
:root {
  --brand: #266A80;
  --brand-deep: #1D5667;
  --brand-light: #DFEEF3;
  --page: #F6F9FB;
  --card: #FFFFFF;
  --text: #1D2B33;
  --text-2: #5A6E78;
  --text-3: #82959E;
  --border: #E1E8EC;
  --accent: #C26A2D;
  --danger: #C0443E;
  --success: #2C8068;
  --radius: 16px;
  --radius-sm: 9px;
  --shadow: 0 1px 2px rgba(29, 43, 51, 0.04), 0 8px 24px rgba(29, 43, 51, 0.04);
  --shadow-hover: 0 20px 40px -20px rgba(29, 86, 103, 0.18);
  --container: 1220px;
  --gap: 32px;
  --transition: 0.22s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font: 16px/1.75 "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
svg { flex-shrink: 0; }
ul, ol, p, figure, h1, h2, h3, h4, blockquote { margin-top: 0; }
button, input, select, textarea { font: inherit; }

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

/* 统一 Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #FFFFFF;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 1px 0 rgba(29, 43, 51, 0.02);
}
.header-row {
  max-width: var(--container);
  margin: 0 auto;
  padding: 16px 24px;
  display: grid;
  grid-template-columns: auto minmax(300px, 560px) 1fr;
  gap: 22px;
  align-items: center;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  white-space: nowrap;
  border-radius: 10px;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: var(--brand);
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.4px;
}
.brand-text {
  color: var(--text);
  font-size: 19px;
  letter-spacing: 0.5px;
}
.header-search {
  min-width: 0;
}
.search-form {
  position: relative;
  display: flex;
  align-items: center;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 6px 5px 42px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.search-icon {
  position: absolute;
  left: 16px;
  color: var(--text-3);
  display: inline-flex;
}
.search-form:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(38, 106, 128, 0.13);
}
.search-form input[type="search"] {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  padding: 7px 4px;
  font-size: 15px;
}
.search-form input::placeholder {
  color: var(--text-3);
  font-size: 14px;
}
.search-btn {
  flex-shrink: 0;
  border: 0;
  background: var(--brand);
  color: #FFFFFF;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), opacity var(--transition);
}
.search-btn:hover { background: var(--brand-deep); }
.search-btn:active { transform: translateY(1px); }
.search-btn:focus-visible { outline: 3px solid rgba(38, 106, 128, 0.32); outline-offset: 2px; }
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  background: #FFFFFF;
  border-radius: 12px;
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
}
.nav-toggle:hover { border-color: var(--brand); color: var(--brand); }
.nav-toggle:focus-visible { outline: 3px solid rgba(38, 106, 128, 0.25); outline-offset: 2px; }
.header-nav {
  border-top: 1px solid rgba(225, 232, 236, 0.7);
  background: #FFFFFF;
}
.header-nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}
.header-nav-inner::-webkit-scrollbar { display: none; }
.nav-link {
  display: inline-block;
  position: relative;
  padding: 13px 16px 11px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: 8px 8px 0 0;
  white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 2px;
  background: transparent;
  border-radius: 2px 2px 0 0;
  transition: background var(--transition);
}
.nav-link:hover { color: var(--brand); background: rgba(221, 238, 243, 0.42); }
.nav-link.active { color: var(--brand); font-weight: 600; }
.nav-link.active::after { background: var(--brand); }
.nav-link:focus-visible { outline: 3px solid rgba(38, 106, 128, 0.22); outline-offset: -2px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.3;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid rgba(38, 106, 128, 0.28); outline-offset: 2px; }
.btn-primary {
  background: var(--brand);
  color: #FFFFFF;
}
.btn-primary:hover { background: var(--brand-deep); box-shadow: 0 8px 20px -10px rgba(29, 86, 103, 0.45); }
.btn-accent {
  background: var(--accent);
  color: #FFFFFF;
}
.btn-accent:hover { background: #B8641F; }
.btn-outline {
  background: #FFFFFF;
  border-color: var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  background: rgba(221, 238, 243, 0.3);
}
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-header { background: var(--accent); }
.btn-header:hover { background: #B8641F; box-shadow: 0 12px 24px -16px rgba(194, 106, 45, 0.65); }

/* 文章主体 */
.article-page {
  padding: 56px 0 88px;
  min-height: 60vh;
}
.article-layout {
  max-width: 880px;
  margin: 0 auto;
}
.article-card {
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: clamp(28px, 6vw, 64px);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-3);
  margin-bottom: 28px;
}
.breadcrumb a {
  color: var(--brand);
  transition: color var(--transition);
}
.breadcrumb a:hover { color: var(--brand-deep); }
.breadcrumb i {
  font-style: normal;
  color: #C9D5DB;
  user-select: none;
}
.article-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 13px;
  background: var(--brand-light);
  color: var(--brand-deep);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 18px;
}
.article-header h1 {
  font-size: clamp(32px, 5vw, 46px);
  line-height: 1.25;
  letter-spacing: -0.3px;
  color: var(--text);
  font-weight: 600;
  margin-bottom: 20px;
}
.article-header h1:only-of-type { margin-top: 0; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  align-items: center;
  padding-top: 18px;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 14px;
  margin-top: 8px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-2);
}
.meta-source {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand-deep);
  font-weight: 500;
}
.article-body {
  max-width: 720px;
  margin: 0 auto;
  padding-top: 30px;
  color: #273640;
  font-size: 17px;
  line-height: 1.8;
}
.article-body > :last-child { margin-bottom: 0; }
.article-body p {
  margin-bottom: 1.6em;
}
.article-body h2,
.article-body h3,
.article-body h4 {
  color: var(--text);
  font-weight: 600;
  line-height: 1.35;
  scroll-margin-top: 140px;
}
.article-body h2 {
  font-size: 25px;
  margin: 2.2em 0 0.7em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.article-body h3 {
  font-size: 20px;
  margin: 2em 0 0.6em;
}
.article-body h4 {
  font-size: 18px;
  margin: 1.8em 0 0.5em;
}
.article-body a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.article-body a:hover { color: var(--brand-deep); }
.article-body ul,
.article-body ol {
  margin: 0 0 1.6em;
  padding-left: 1.5em;
}
.article-body li {
  margin-bottom: 0.45em;
}
.article-body blockquote {
  margin: 0 0 1.7em;
  padding: 16px 22px;
  background: #F1F6F8;
  border-left: 4px solid var(--brand);
  color: var(--text-2);
  border-radius: 0 10px 10px 0;
}
.article-body img {
  height: auto;
  border-radius: 14px;
  border: 1px solid var(--border);
  margin: 2em 0 0.8em;
}
.article-body figure {
  margin: 2.2em 0;
}
.article-body figcaption {
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
  margin-top: 10px;
}
.article-body pre {
  background: #1D2B33;
  color: #EAF1F4;
  padding: 20px;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.7;
  margin: 0 0 1.7em;
}
.article-body pre code {
  padding: 0;
  background: transparent;
  color: inherit;
}
.article-body code {
  background: #EDF2F4;
  color: #244A5A;
  border-radius: 5px;
  padding: 2px 7px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 0.88em;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 1.8em;
  font-size: 15px;
}
.article-body th {
  background: #E5F0F3;
  text-align: left;
  color: var(--brand-deep);
  font-weight: 600;
  padding: 11px 14px;
  border: 1px solid var(--border);
}
.article-body td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  color: var(--text-2);
  vertical-align: top;
}
.article-body tr:hover td { background: #F8FBFD; }
.article-body hr {
  border: 0;
  height: 1px;
  background: var(--border);
  margin: 2.2em 0;
}

/* 正文底部工具条 */
.article-tools {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 24px 0 0;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag-list a,
.tag-pill {
  display: inline-block;
  padding: 5px 12px;
  background: #EEF5F7;
  border: 1px solid #DDEAEE;
  border-radius: 999px;
  color: var(--brand-deep);
  font-size: 13px;
  transition: all var(--transition);
}
.tag-list a:hover {
  background: var(--brand-light);
  border-color: var(--brand-light);
  color: var(--brand);
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 500;
}
.article-back:hover { color: var(--brand-deep); }

/* 内容 / 栏目导航 */
.related-section {
  padding: 64px 0 0;
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 28px;
}
.section-head h2 {
  margin: 0;
  font-size: 27px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text);
}
.section-head p {
  margin: 8px 0 0;
  color: var(--text-2);
  font-size: 14px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  position: relative;
  overflow: hidden;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 16px;
  flex-direction: column;
  display: flex;
  box-shadow: 0 1px 2px rgba(29,43,51,0.02);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.related-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(38, 106, 128, 0.3);
}
.related-card:hover::before { transform: scaleX(1); }
.related-card:focus-visible { outline: 3px solid rgba(38, 106, 128, 0.24); outline-offset: 3px; }
.related-thumb {
  aspect-ratio: 16 / 8.4;
  overflow: hidden;
  background: var(--brand-light);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.04); }
.related-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.related-label {
  display: inline-flex;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--brand);
  background: #EDF5F7;
  padding: 3px 10px;
  border-radius: 999px;
}
.related-body h3 {
  margin: 0;
  font-size: 19px;
  line-height: 1.4;
  color: var(--text);
}
.related-body p {
  margin: 0;
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
}
.related-body .link-arrow {
  margin-top: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--brand);
  transition: transform var(--transition), color var(--transition);
}
.related-card:hover .link-arrow {
  transform: translateX(4px);
  color: var(--brand-deep);
}

/* 文章尾 CTA */
.article-contact {
  padding: 56px 0 0;
}
.cta-panel {
  position: relative;
  overflow: hidden;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 32px;
  border-radius: 20px;
  padding: 44px 48px;
  background-image: linear-gradient(115deg, rgba(255,255,255,0.96) 0%, rgba(246,249,251,0.90) 70%), url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border);
}
.cta-panel h2 {
  margin: 0 0 10px;
  font-size: 25px;
  line-height: 1.4;
  color: var(--text);
}
.cta-panel p {
  margin: 0;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.75;
}
.cta-actions {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.cta-mail {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-deep);
  font-size: 14px;
  word-break: break-all;
}

/* 未找到内容 */
.not-found-wrap {
  min-height: 55vh;
  padding: 40px 0 80px;
}
.not-found-card {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  background: #FFFFFF;
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: var(--shadow);
  padding: 64px 40px;
}
.not-found-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 22px;
  border-radius: 20px;
  background: #EFF5F7;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand);
}
.not-found-card h1 {
  font-size: 30px;
  color: var(--text);
  margin: 0 0 12px;
}
.not-found-card > p {
  color: var(--text-2);
  margin: 0 auto 24px;
  max-width: 460px;
  line-height: 1.8;
}
.not-found-links {
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}
.not-found-links a {
  color: var(--brand);
  font-size: 14px;
}
.not-found-links a:hover { color: var(--brand-deep); }

/* 统一 Footer */
.site-footer {
  margin-top: 0;
  background: #F0F6F8;
  border-top: 1px solid var(--border);
}
.site-footer .footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr 1.2fr;
  gap: 40px;
  padding: 56px 0 44px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-desc {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.8;
  max-width: 420px;
  margin: 0;
}
.footer-col h4 {
  margin: 0 0 16px;
  font-size: 16px;
  color: var(--text);
  font-weight: 600;
  padding-bottom: 10px;
  border-bottom: 1px solid #D9E6EA;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.footer-links a {
  color: var(--text-2);
  font-size: 14px;
  transition: color var(--transition);
}
.footer-links a:hover {
  color: var(--brand);
}
.footer-contact {
  display: grid;
  gap: 12px;
}
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--text-2);
  font-size: 14px;
  word-break: break-all;
}
.footer-contact-item svg {
  color: var(--brand);
}
.footer-bottom {
  padding: 20px 0;
  border-top: 1px solid #DDE8EB;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--text-3);
  font-size: 13px;
  line-height: 1.6;
}
.footer-bottom .copyright {
  color: var(--text-2);
}
.footer-bottom .policy {
  color: var(--text-3);
}

/* 响应式 */
@media (max-width: 1100px) {
  .footer-top {
    grid-template-columns: 1.6fr 1fr;
  }
}
@media (max-width: 900px) {
  .header-row {
    grid-template-columns: auto 1fr auto;
    gap: 14px;
    padding: 14px 20px;
  }
  .header-search {
    order: 3;
    grid-column: 1 / -1;
  }
  .search-form {
    max-width: none;
  }
  .header-actions {
    justify-content: flex-end;
  }
  .nav-toggle { display: inline-flex; }
  .header-nav {
    display: none;
    border-top: 0;
    background: #FFFFFF;
    padding: 0 20px 12px;
  }
  .header-nav.nav-open { display: block; }
  .header-nav-inner {
    padding: 0;
    display: grid;
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .nav-link {
    border-radius: 10px;
  }
  .nav-link::after { display: none; }
  .nav-link:hover { background: var(--brand-light); }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-contact .cta-panel {
    flex-direction: column;
    align-items: flex-start;
    padding: 34px;
  }
}
@media (max-width: 640px) {
  .article-page { padding: 26px 0 60px; }
  .header-actions .btn-header {
    display: none;
  }
  .header-row {
    grid-template-columns: 1fr auto;
  }
  .header-search {
    grid-column: 1 / -1;
  }
  .brand-text { font-size: 17px; }
  .article-card {
    padding: 24px 20px;
    border-radius: 16px;
  }
  .article-header h1 {
    font-size: 31px;
    line-height: 1.32;
  }
  .article-meta {
    gap: 8px 14px;
  }
  .article-body {
    font-size: 16px;
    line-height: 1.8;
  }
  .article-body table {
    display: block;
    width: auto;
    overflow-x: auto;
    white-space: nowrap;
  }
  .article-body img {
    border-radius: 10px;
    margin-top: 1.6em;
  }
  .article-tools {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .section-head h2 { font-size: 23px; }
  .site-footer .footer-top {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-top: 42px;
    padding-bottom: 20px;
  }
  .cta-panel {
    padding: 26px 22px;
  }
  .cta-actions { width: 100%; }
  .cta-panel .btn { width: 100%; }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
  .not-found-card {
    padding: 44px 22px;
    margin-top: 20px;
  }
  .not-found-card h1 { font-size: 26px; }
}
@media (max-width: 480px) {
  .search-form input::placeholder { font-size: 13px; }
  .search-btn { padding-left: 15px; padding-right: 15px; }
  .article-card { padding: 20px 16px 28px; }
  .article-body h2 { font-size: 22px; }
}

/* roulang page: category1 */
:root {
    --primary: #266A80;
    --primary-dark: #1D5667;
    --primary-soft: #DFEEF3;
    --primary-bg: #F0F7F9;
    --accent: #B8641F;
    --accent-soft: #F4E6DA;
    --bg: #F6F9FB;
    --surface: #FFFFFF;
    --text: #1D2B33;
    --text-secondary: #5A6E78;
    --text-muted: #82959E;
    --line: #E1E8EC;
    --success: #2C8068;
    --danger: #C0443E;
    --radius-large: 16px;
    --radius-medium: 12px;
    --radius-small: 9px;
    --shadow-s: 0 1px 2px rgba(29, 43, 51, 0.04);
    --shadow-m: 0 8px 24px rgba(29, 43, 51, 0.05);
    --shadow-hover: 0 20px 40px -20px rgba(29, 86, 103, 0.18);
    --font-body: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --space-section: 88px;
  }

  *,
  *::before,
  *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }

  h1, h2, h3, h4, p, ul, ol, figure, blockquote, dl, dd {
    margin: 0;
  }

  ul, ol {
    padding: 0;
    list-style: none;
  }

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

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible,
  summary:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 3px;
    border-radius: 6px;
  }

  button,
  input,
  select,
  textarea {
    font: inherit;
    color: inherit;
  }

  button {
    border: 0;
    background: none;
    cursor: pointer;
  }

  ::selection {
    background: var(--primary);
    color: #fff;
  }

  .container {
    max-width: 1220px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  .section {
    padding: var(--space-section) 0;
  }

  .section-heading {
    margin-bottom: 36px;
    max-width: 780px;
  }

  .section-heading h2 {
    font-size: 30px;
    line-height: 1.3;
    font-weight: 600;
    letter-spacing: 0.01em;
    color: var(--text);
  }

  .section-heading p {
    margin-top: 12px;
    color: var(--text-secondary);
    font-size: 16px;
  }

  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--primary);
    background: var(--primary-soft);
    border-radius: 999px;
    padding: 5px 14px;
    line-height: 1.5;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 9px;
    font-size: 15px;
    font-weight: 500;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
  }

  .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -14px rgba(29, 86, 103, 0.25);
  }

  .btn:active {
    transform: translateY(0);
  }

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

  .btn-primary:hover {
    background: var(--primary-dark);
  }

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

  .btn-accent:hover {
    background: #9c5218;
  }

  .btn-outline {
    background: transparent;
    border-color: #b9c8d0;
    color: var(--primary-dark);
  }

  .btn-outline:hover {
    border-color: var(--primary);
    background: var(--primary-bg);
  }

  .btn-sm {
    min-height: 38px;
    padding: 0 16px;
    font-size: 14px;
  }

  .btn-lg {
    min-height: 50px;
    padding: 0 32px;
    border-radius: 10px;
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow-s);
  }

  .header-row {
    max-width: 1220px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 24px;
    flex-wrap: wrap;
    position: relative;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    flex-shrink: 0;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--primary);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.02em;
  }

  .brand-text {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
  }

  .header-search {
    flex: 1 1 auto;
    min-width: 280px;
    max-width: 620px;
    margin-left: 6px;
  }

  .search-form {
    display: flex;
    align-items: center;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding-left: 16px;
    min-height: 46px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .search-form:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(38, 106, 128, 0.13);
  }

  .search-icon {
    display: inline-flex;
    color: var(--text-muted);
    margin-right: 10px;
  }

  .search-form input {
    flex: 1;
    min-width: 0;
    border: 0;
    height: 44px;
    background: transparent;
    outline: none;
    color: var(--text);
  }

  .search-form input::placeholder {
    color: #A1B0B8;
  }

  .search-form input::-webkit-search-cancel-button {
    -webkit-appearance: none;
  }

  .search-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    padding: 0 18px;
    margin-right: 4px;
    border-radius: 999px;
    background: var(--primary);
    color: #fff;
    font-size: 14px;
    border: 0;
    cursor: pointer;
  }

  .search-btn:hover {
    background: var(--primary-dark);
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-left: auto;
    flex-shrink: 0;
  }

  .nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 9px;
    border: 1px solid var(--line);
    background: #fff;
    color: var(--text);
  }

  .header-nav {
    border-top: 1px solid #EEF3F5;
    background: #FDFEFF;
  }

  .header-nav-inner {
    max-width: 1220px;
    margin: 0 auto;
    display: flex;
    gap: 36px;
    padding: 0 24px;
    overflow-x: auto;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    height: 46px;
    position: relative;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    white-space: nowrap;
  }

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

  .nav-link.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
  }

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

  /* Page lead / catalogue banner */
  .catalogue-banner {
    border-bottom: 1px solid var(--line);
    background: linear-gradient(180deg, #EAF3F6 0%, var(--bg) 100%);
    padding: 58px 0 66px;
    overflow: hidden;
  }

  .catalogue-banner-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.8fr);
    gap: 48px;
    align-items: center;
  }

  .breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 18px;
  }

  .breadcrumb a {
    color: var(--text-secondary);
  }

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

  .breadcrumb span {
    padding: 0 2px;
  }

  .catalogue-banner h1 {
    font-size: 44px;
    line-height: 1.22;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 18px;
    letter-spacing: 0.005em;
  }

  .catalogue-lead-text {
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 28px;
    font-size: 17px;
  }

  .catalogue-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  .banner-media {
    border-radius: 18px;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: var(--shadow-m);
  }

  .banner-media img {
    width: 100%;
    height: 260px;
    object-fit: cover;
  }

  .banner-media-caption {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-muted);
    background: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .banner-media-caption i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--success);
    display: inline-block;
  }

  /* Category tags */
  .category-tags-section {
    padding: 74px 0 8px;
  }

  .tag-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
  }

  .tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 46px;
    padding: 0 20px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--text-secondary);
    font-size: 15px;
    transition: all 0.2s ease;
  }

  .tag-chip:hover {
    border-color: var(--primary);
    color: var(--primary);
    box-shadow: var(--shadow-s);
  }

  .tag-chip .tag-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
    opacity: 0.6;
  }

  /* Directory section */
  .directory-section {
    padding: 74px 0;
  }

  .directory-layout {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .catalog-nav {
    position: sticky;
    top: 142px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-large);
    padding: 24px 20px;
    box-shadow: var(--shadow-s);
  }

  .catalog-nav h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    padding: 0 6px 12px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 12px;
  }

  .catalog-nav li a {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    padding: 10px 6px;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid #F0F4F5;
    border-radius: 8px;
    transition: all 0.2s ease;
  }

  .catalog-nav li a:hover {
    color: var(--primary);
    background: var(--primary-bg);
    padding-left: 11px;
  }

  .catalog-nav li:last-child a {
    border-bottom: 0;
  }

  .catalog-nav .count {
    color: var(--text-muted);
  }

  .catalog-stack {
    display: grid;
    gap: 24px;
  }

  .catalog-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-large);
    padding: 30px;
    box-shadow: var(--shadow-s);
    position: relative;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    scroll-margin-top: 120px;
  }

  .catalog-card:hover {
    box-shadow: var(--shadow-m);
  }

  .catalog-card-head {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 18px;
  }

  .catalog-icon {
    flex: 0 0 auto;
    width: 46px;
    height: 46px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-bg);
    border-radius: 11px;
    color: var(--primary);
  }

  .catalog-card-head-text h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    line-height: 1.4;
  }

  .catalog-card-head-text p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 4px;
  }

  .catalog-rows {
    border-top: 1px solid #EDF2F4;
  }

  .doc-row {
    display: grid;
    grid-template-columns: 34px minmax(0, 1.2fr) minmax(200px, 0.9fr) auto;
    gap: 18px;
    align-items: center;
    padding: 18px 0;
    border-bottom: 1px solid #EDF2F4;
  }

  .doc-row:last-child {
    border-bottom: 0;
    padding-bottom: 6px;
  }

  .doc-row-index {
    color: var(--text-muted);
    font-size: 13px;
    font-family: "Inter", "DIN Alternate", "PingFang SC", sans-serif;
  }

  .doc-info {
    min-width: 0;
  }

  .doc-info strong {
    display: block;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
  }

  .doc-info span {
    display: block;
    margin-top: 4px;
    font-size: 13px;
    color: var(--text-muted);
    max-width: 520px;
  }

  .doc-type {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
  }

  .doc-status {
    font-size: 13px;
    color: var(--primary);
    background: var(--primary-bg);
    border-radius: 999px;
    padding: 5px 12px;
    white-space: nowrap;
  }

  /* Process section */
  .process-section {
    padding: 66px 0;
    background: #FDFEFF;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
  }

  .step-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-large);
    padding: 28px 26px 26px;
    position: relative;
    box-shadow: var(--shadow-s);
  }

  .step-card::before {
    content: "";
    position: absolute;
    left: 26px;
    top: 34px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid var(--primary);
    border-right-color: transparent;
    opacity: 0.75;
  }

  .step-no {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 600;
    background: var(--primary-soft);
    color: var(--primary-dark);
    margin-bottom: 18px;
    font-family: "Inter", "DIN Alternate", "PingFang SC", sans-serif;
  }

  .step-card h3 {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
  }

  .step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
  }

  /* Notice panel */
  .notice-section {
    padding: var(--space-section) 0;
  }

  .notice-wrap {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, 0.7fr);
    gap: 36px;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: 36px;
    box-shadow: var(--shadow-m);
    align-items: center;
  }

  .notice-content h2 {
    font-size: 27px;
    line-height: 1.35;
    font-weight: 600;
    margin-bottom: 16px;
  }

  .notice-content > p {
    color: var(--text-secondary);
    margin-bottom: 20px;
  }

  .notice-checklist {
    display: grid;
    gap: 12px;
    margin-top: 20px;
  }

  .notice-checklist li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    color: var(--text);
    font-size: 15px;
  }

  .notice-checklist svg {
    flex: 0 0 auto;
    margin-top: 4px;
    color: var(--primary);
  }

  .notice-media {
    border-radius: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
  }

  .notice-media img {
    width: 100%;
    height: 280px;
    object-fit: cover;
  }

  /* FAQ */
  .faq-section {
    padding: var(--space-section) 0;
    border-top: 1px solid #EDF2F4;
  }

  .faq-list {
    max-width: 940px;
    display: grid;
    gap: 14px;
  }

  .faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-medium);
    box-shadow: var(--shadow-s);
    overflow: hidden;
  }

  .faq-item[open] {
    border-color: #C4D7DE;
    box-shadow: var(--shadow-m);
  }

  .faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    list-style: none;
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-item .faq-icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: #fff;
    background: var(--primary);
    font-size: 18px;
    line-height: 1;
    transition: transform 0.2s ease, background-color 0.2s ease;
  }

  .faq-item[open] .faq-icon {
    transform: rotate(45deg);
    background: var(--primary-dark);
  }

  .faq-answer {
    padding: 0 24px 22px;
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 840px;
  }

  .faq-answer p + p {
    margin-top: 10px;
  }

  /* Contact / form CTA */
  .contact-section {
    padding: 44px 0 92px;
  }

  .contact-wrap {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 22px;
    box-shadow: var(--shadow-m);
    overflow: hidden;
  }

  .contact-info {
    background: linear-gradient(180deg, #E9F2F5 0%, #F6F9FB 100%);
    padding: 38px 36px;
    border-right: 1px solid var(--line);
    display: flex;
    flex-direction: column;
  }

  .contact-info h2 {
    font-size: 27px;
    line-height: 1.35;
    margin-bottom: 16px;
    font-weight: 600;
  }

  .contact-info .contact-intro {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 26px;
  }

  .contact-channel {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 14px;
  }

  .contact-channel svg {
    flex: 0 0 auto;
    color: var(--primary);
    margin-top: 2px;
  }

  .contact-channel span {
    font-size: 15px;
    color: var(--text);
  }

  .contact-channel small {
    display: block;
    color: var(--text-muted);
    font-size: 13px;
    margin-top: 2px;
  }

  .contact-note {
    margin-top: auto;
    font-size: 13px;
    color: var(--text-muted);
    border-top: 1px solid #DCE7EB;
    padding-top: 18px;
    line-height: 1.65;
  }

  .form-card {
    padding: 38px 36px;
  }

  .form-card h3 {
    font-size: 21px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
  }

  .form-card .form-subtitle {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
  }

  .form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px 20px;
  }

  .form-group {
    display: flex;
    flex-direction: column;
    gap: 7px;
  }

  .form-group.full {
    grid-column: 1 / -1;
  }

  .form-group label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
  }

  .form-group input,
  .form-group select,
  .form-group textarea {
    width: 100%;
    display: block;
    border: 1px solid var(--line);
    background: #fff;
    border-radius: 9px;
    padding: 11px 14px;
    font-size: 15px;
    min-height: 46px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
  }

  .form-group textarea {
    min-height: 110px;
    resize: vertical;
    line-height: 1.6;
  }

  .form-group input:focus,
  .form-group select:focus,
  .form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(38, 106, 128, 0.12);
    outline: none;
  }

  .form-group select {
    appearance: auto;
    cursor: pointer;
  }

  .form-actions {
    margin-top: 24px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
  }

  .form-actions .btn {
    min-width: 168px;
  }

  .privacy-tip {
    font-size: 13px;
    color: var(--text-muted);
  }

  /* Footer */
  .site-footer {
    background: #fff;
    border-top: 1px solid var(--line);
    color: var(--text-secondary);
  }

  .site-footer .container {
    padding-top: 62px;
    padding-bottom: 28px;
  }

  .footer-top {
    display: grid;
    grid-template-columns: minmax(260px, 1.3fr) 0.7fr 0.75fr 0.85fr;
    gap: 36px;
    padding-bottom: 42px;
    border-bottom: 1px solid #EDF2F4;
  }

  .footer-brand .brand {
    margin-bottom: 16px;
  }

  .footer-desc {
    color: var(--text-secondary);
    font-size: 14px;
    max-width: 330px;
    line-height: 1.8;
  }

  .footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
  }

  .footer-links {
    display: grid;
    gap: 9px;
  }

  .footer-links a {
    color: var(--text-secondary);
    font-size: 14px;
  }

  .footer-links a:hover {
    color: var(--primary);
  }

  .footer-contact {
    display: grid;
    gap: 12px;
  }

  .footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
  }

  .footer-contact-item svg {
    color: var(--primary);
    flex: 0 0 auto;
    margin-top: 3px;
  }

  .footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding-top: 22px;
    flex-wrap: wrap;
    font-size: 13px;
    color: var(--text-muted);
  }

  .footer-bottom .policy {
    color: var(--text-muted);
  }

  .copyright {
    color: var(--text-secondary);
  }

  @media (max-width: 1024px) {
    .catalogue-banner-grid {
      grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
      gap: 32px;
    }

    .directory-layout {
      grid-template-columns: 220px minmax(0, 1fr);
      gap: 20px;
    }

    .doc-row {
      grid-template-columns: 28px minmax(0, 1fr) 130px auto;
      gap: 14px;
    }

    .process-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
      grid-template-columns: 1fr 1fr;
    }

    .contact-wrap {
      grid-template-columns: 0.9fr 1.1fr;
    }

    .contact-info,
    .form-card {
      padding: 30px 26px;
    }
  }

  @media (max-width: 768px) {
    :root {
      --space-section: 62px;
    }

    .header-row {
      padding: 12px 16px;
    }

    .header-search {
      order: 3;
      min-width: 100%;
      max-width: none;
      margin-left: 0;
    }

    .header-actions {
      gap: 6px;
    }

    .header-search .btn-header {
      display: none;
    }

    .nav-toggle {
      display: inline-flex;
    }

    .header-nav {
      display: none;
      border-top: 1px solid var(--line);
      background: #fff;
      box-shadow: 0 10px 20px rgba(29, 43, 51, 0.06);
    }

    .header-nav.open {
      display: block;
    }

    .header-nav-inner {
      flex-direction: column;
      gap: 0;
      padding: 8px 16px 14px;
    }

    .nav-link {
      height: auto;
      padding: 12px 6px;
      border-bottom: 0;
      border-radius: 8px;
      color: var(--text-secondary);
    }

    .nav-link.active {
      border-bottom: 0;
      background: var(--primary-bg);
      color: var(--primary);
      padding-left: 14px;
    }

    .catalogue-banner {
      padding: 42px 0 50px;
    }

    .catalogue-banner-grid {
      grid-template-columns: 1fr;
      gap: 36px;
    }

    .banner-media img {
      height: 230px;
    }

    .catalogue-banner h1 {
      font-size: 34px;
    }

    .catalogue-actions {
      gap: 12px;
    }

    .directory-layout {
      grid-template-columns: 1fr;
    }

    .catalog-nav {
      position: static;
      top: auto;
      padding: 18px;
    }

    .catalog-nav ul {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }

    .catalog-nav li a {
      border-bottom: 0;
      border-radius: 6px;
      align-items: center;
      font-size: 13px;
      gap: 8px;
    }

    .catalog-nav .count {
      display: none;
    }

    .catalog-nav h3 {
      width: 100%;
      margin-bottom: 8px;
    }

    .catalog-nav li a:hover {
      padding-left: 10px;
    }

    .catalog-card {
      padding: 24px;
    }

    .doc-row {
      grid-template-columns: 24px minmax(0, 1fr) auto;
      gap: 12px;
    }

    .doc-type {
      display: none;
    }

    .doc-status {
      padding: 4px 10px;
      font-size: 12px;
    }

    .notice-wrap {
      grid-template-columns: 1fr;
      padding: 28px;
    }

    .process-grid {
      grid-template-columns: 1fr;
    }

    .contact-wrap {
      grid-template-columns: 1fr;
      border-radius: 18px;
    }

    .contact-info {
      border-right: 0;
      border-bottom: 1px solid var(--line);
      background: linear-gradient(180deg, #E9F2F5, #FDFEFF);
    }

    .section-heading h2,
    .notice-content h2,
    .contact-info h2 {
      font-size: 25px;
    }

    .section {
      padding: 56px 0;
    }

    .tag-chip {
      height: 40px;
      padding: 0 15px;
      font-size: 13px;
    }
  }

  @media (max-width: 520px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .catalogue-banner h1 {
      font-size: 30px;
    }

    .catalogue-lead-text {
      font-size: 15px;
    }

    .catalogue-actions .btn {
      width: 100%;
    }

    .banner-media img {
      height: 190px;
    }

    .catalog-card,
    .form-card,
    .contact-info,
    .notice-wrap {
      padding: 22px 18px;
    }

    .catalog-card-head {
      flex-wrap: wrap;
    }

    .doc-row {
      grid-template-columns: 20px minmax(0, 1fr);
      align-items: start;
    }

    .doc-status {
      grid-column: 2;
      justify-self: start;
      margin-top: 6px;
      padding: 3px 9px;
    }

    .process-grid {
      gap: 14px;
    }

    .form-grid {
      grid-template-columns: 1fr;
    }

    .form-group.full {
      grid-column: 1;
    }

    .form-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .form-actions .btn {
      width: 100%;
    }

    .form-actions .privacy-tip {
      text-align: center;
      font-size: 12px;
    }

    .footer-top {
      grid-template-columns: 1fr;
      gap: 30px;
    }

    .footer-bottom {
      flex-direction: column;
      justify-content: center;
      text-align: center;
    }

    .btn {
      min-height: 46px;
    }
  }

/* roulang page: category2 */
:root {
  --primary: #266A80;
  --primary-dark: #1D5667;
  --primary-light: #DFEEF3;
  --bg: #F6F9FB;
  --card: #FFFFFF;
  --text: #1D2B33;
  --muted: #5A6E78;
  --weak: #82959E;
  --border: #E1E8EC;
  --accent: #C26A2D;
  --accent-dark: #B8641F;
  --success: #2C8068;
  --danger: #C0443E;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 9px;
  --shadow-sm: 0 1px 2px rgba(29, 43, 51, .04);
  --shadow-md: 0 8px 24px rgba(29, 43, 51, .05);
  --shadow-lift: 0 20px 40px -20px rgba(29, 86, 103, .18);
  --font: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
body.no-scroll { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; font: inherit; }
input, select, textarea { font: inherit; }
.container { max-width: 1220px; margin: 0 auto; padding: 0 24px; }
.section { padding: 84px 0; }
.section-white { background: var(--card); }
.section-soft { background: var(--bg); }
.section-tight { padding: 64px 0; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-sm);
  padding: 12px 22px;
  font-size: 15px;
  font-weight: 500;
  line-height: 1.4;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  text-align: center;
  min-height: 44px;
}
.btn:focus-visible {
  outline: 3px solid rgba(38, 106, 128, .22);
  outline-offset: 2px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 10px 20px -10px rgba(29, 86, 103, .4); transform: translateY(-1px); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-dark); box-shadow: 0 10px 20px -10px rgba(194, 106, 45, .45); transform: translateY(-1px); }
.btn-light { background: #fff; border: 1px solid var(--border); color: var(--muted); }
.btn-light:hover { color: var(--primary); border-color: var(--primary); }
.btn-sm { padding: 8px 16px; font-size: 14px; min-height: 38px; border-radius: 8px; }

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 14px rgba(29, 43, 51, .03);
}
.header-row {
  max-width: 1220px;
  margin: 0 auto;
  padding: 16px 24px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 9px; color: var(--text); font-weight: 600; }
.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .2px;
  box-shadow: 0 6px 12px -4px rgba(38, 106, 128, .28);
}
.brand-text { font-size: 20px; letter-spacing: .4px; line-height: 1.2; }
.header-search { width: 100%; max-width: 620px; justify-self: center; }
.search-form {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 7px 7px 17px;
  box-shadow: var(--shadow-sm);
  transition: border-color .2s ease, box-shadow .2s ease;
}
.search-icon { display: inline-flex; color: var(--muted); flex: none; }
.search-form input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 15px;
  padding: 6px 0;
}
.search-form input:focus { outline: none; }
.search-form input::placeholder { color: var(--weak); }
.search-form:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(38, 106, 128, .12);
}
.search-btn {
  flex: none;
  border: 0;
  background: var(--primary);
  color: #fff;
  border-radius: 999px;
  padding: 8px 20px;
  font-size: 14px;
  min-height: 38px;
  transition: background .2s ease;
}
.search-btn:hover { background: var(--primary-dark); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  align-items: center;
  justify-content: center;
}
.nav-toggle:active { transform: scale(.96); }
.header-nav { background: var(--card); border-top: 1px solid var(--border); }
.header-nav-inner {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.header-nav-inner::-webkit-scrollbar { height: 4px; }
.header-nav-inner::-webkit-scrollbar-thumb { background: var(--border); border-radius: 99px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-weight: 500;
  padding: 13px 14px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}
.nav-link:hover { color: var(--primary); background: rgba(38, 106, 128, .05); }
.nav-link.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
  background: rgba(38, 106, 128, .05);
}

.site-footer {
  background: var(--card);
  border-top: 1px solid var(--border);
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr .8fr .9fr 1fr;
  gap: 44px;
  padding: 60px 0 44px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  color: var(--text);
}
.footer-links li + li { margin-top: 12px; }
.footer-links a { color: var(--muted); font-size: 14px; transition: color .2s ease; }
.footer-links a:hover { color: var(--primary); }
.footer-contact { display: grid; gap: 12px; }
.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}
.footer-contact-item svg { color: var(--primary); flex: none; }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--weak);
  font-size: 13px;
}
.footer-bottom .copyright { color: var(--weak); }

.page-band {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 52px 0 44px;
}
.page-band-inner { position: relative; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--weak);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--weak); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--muted); }
.breadcrumb::before { content: ""; }
.page-band-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.2px;
  margin-bottom: 14px;
}
.page-band-desc {
  max-width: 760px;
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 20px;
}
.tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  line-height: 1.5;
}
.chip-light {
  color: var(--primary-dark);
  background: var(--primary-light);
}
.section-head { max-width: 780px; margin-bottom: 40px; }
.section-head-center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .4px;
  margin-bottom: 10px;
}
.section-title {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -.2px;
  margin-bottom: 14px;
}
.section-sub {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.8;
}

.overview-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  align-items: center;
  gap: 56px;
}
.overview-copy p { color: var(--muted); margin-bottom: 18px; }
.overview-copy p:last-child { margin-bottom: 0; }
.check-list { display: grid; gap: 14px; margin-top: 28px; }
.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--text);
  font-size: 15px;
  line-height: 1.6;
}
.check-icon {
  flex: none;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
}
.check-icon svg { width: 13px; height: 13px; }
.overview-media { position: relative; }
.image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow-md);
}
.image-frame img { width: 100%; height: 100%; object-fit: cover; }
.image-scale { aspect-ratio: 4 / 3; }
.image-caption {
  margin-top: 12px;
  font-size: 13px;
  color: var(--weak);
  text-align: center;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 44px;
}
.step-card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 26px 22px 24px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.step-card:hover {
  border-color: rgba(38, 106, 128, .25);
  box-shadow: var(--shadow-lift);
  transform: translateY(-3px);
}
.step-num {
  display: inline-block;
  font-size: 26px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 14px;
  opacity: .9;
}
.step-card h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text);
}
.step-card p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.75;
}

.compare-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 40px;
  margin-top: 16px;
}
.compare-intro p { color: var(--muted); margin-bottom: 18px; }
.compare-intro p:last-child { margin-bottom: 0; }
.thin-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--weak);
  font-size: 13px;
  margin-top: 14px;
}
.table-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: auto;
}
.scenario-table { width: 100%; min-width: 600px; border-collapse: collapse; }
.scenario-table th {
  background: var(--primary-light);
  color: var(--primary-dark);
  text-align: left;
  font-weight: 500;
  font-size: 14px;
  padding: 14px 20px;
}
.scenario-table td {
  padding: 16px 20px;
  border-top: 1px solid var(--border);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  vertical-align: top;
}
.scenario-table tbody tr:hover { background: rgba(38, 106, 128, .04); }
.scenario-table td .mini-label {
  color: var(--weak);
  font-size: 12px;
}

.topic-list { display: grid; gap: 14px; margin-top: 10px; }
.topic-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.topic-row:hover {
  box-shadow: var(--shadow-lift);
  transform: translateY(-2px);
  border-color: rgba(38, 106, 128, .24);
}
.topic-index {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary-light);
  line-height: 1;
  min-width: 42px;
}
.topic-row h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}
.topic-row p {
  font-size: 13px;
  color: var(--weak);
}
.topic-meta { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.topic-link-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.topic-row .topic-link-text svg { transition: transform .2s ease; }
.topic-row:hover .topic-link-text svg { transform: translateX(4px); }

.faq-wrap { max-width: 900px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.faq-item:hover { border-color: rgba(38, 106, 128, .22); box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  padding: 20px 24px;
  text-align: left;
  border-radius: var(--radius-md);
  transition: background .2s ease;
}
.faq-question:hover { background: var(--primary-light); border-radius: var(--radius-md); }
.faq-icon {
  flex: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--primary);
  color: var(--primary);
  position: relative;
  transition: transform .25s ease, background .2s ease;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: currentColor;
  border-radius: 4px;
}
.faq-icon::before { top: 50%; left: 25%; right: 25%; height: 2px; margin-top: -1px; }
.faq-icon::after { left: 50%; top: 25%; bottom: 25%; width: 2px; margin-left: -1px; }
.faq-item.open .faq-icon { transform: rotate(135deg); background: var(--primary-light); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}
.faq-item.open .faq-answer { max-height: 700px; }

.cta-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.cta-grid {
  display: grid;
  grid-template-columns: 1.35fr .85fr;
}
.cta-form-wrap { padding: 44px; }
.cta-form-wrap .section-title { font-size: 26px; }
.cta-info-wrap {
  background: var(--primary-light);
  padding: 44px 34px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  justify-content: space-between;
}
.info-title { font-size: 18px; font-weight: 600; color: var(--primary-dark); margin-bottom: 12px; }
.info-list { display: grid; gap: 16px; }
.info-list-item { display: flex; align-items: flex-start; gap: 12px; color: var(--text); font-size: 14px; }
.info-list-item svg { flex: none; color: var(--primary); margin-top: 3px; }
.info-list-item strong { display: block; font-weight: 600; color: var(--text); }
.info-list-item span { display: block; color: var(--muted); line-height: 1.7; }
.info-note {
  border-left: 3px solid var(--accent);
  background: rgba(194, 106, 45, .08);
  padding: 14px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
.form-group { display: flex; flex-direction: column; gap: 7px; }
.form-group-full { grid-column: 1 / -1; }
.form-label { font-size: 14px; color: var(--text); font-weight: 500; }
.form-label .required { color: var(--danger); margin-left: 2px; }
.form-input,
.form-select,
.form-textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  color: var(--text);
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.6;
  transition: border-color .2s ease, box-shadow .2s ease, background .2s ease;
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(38, 106, 128, .12);
}
.form-input::placeholder,
.form-textarea::placeholder { color: var(--weak); }
.form-textarea { min-height: 116px; resize: vertical; }
.form-error {
  border-color: var(--danger);
}
.error-hint {
  color: var(--danger);
  font-size: 12px;
  line-height: 1.5;
  display: none;
}
.form-input.form-error + .error-hint,
.form-select.form-error + .error-hint,
.form-textarea.form-error + .error-hint { display: block; }
.form-btn-row {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.form-status {
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  font-size: 14px;
  line-height: 1.6;
  margin-top: 16px;
  display: none;
}
.form-status.success { background: rgba(44, 128, 104, .1); color: var(--success); border: 1px solid rgba(44, 128, 104, .3); display: block; }
.form-status.error { background: rgba(192, 68, 62, .08); color: var(--danger); border: 1px solid rgba(192, 68, 62, .3); display: block; }

@media (max-width: 1090px) {
  .header-row { grid-template-columns: auto 1fr auto; gap: 16px; }
  .header-search { max-width: 420px; }
  .brand-text { font-size: 18px; }
  .search-btn { padding: 7px 14px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 36px; }
  .cta-grid { grid-template-columns: 1fr; }
  .cta-info-wrap { border-left: 0; border-top: 1px solid var(--border); }
  .overview-grid { gap: 36px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px) {
  .header-row {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    padding: 12px 16px;
  }
  .brand-mark { width: 34px; height: 34px; }
  .brand-text { font-size: 17px; }
  .header-search { grid-column: 1 / -1; grid-row: 2; max-width: none; }
  .header-actions .btn-header { display: none; }
  .nav-toggle { display: inline-flex; }
  .header-nav { display: none; }
  .header-nav.open { display: block; }
  .header-nav-inner { flex-direction: column; gap: 2px; padding: 10px 16px 16px; overflow: visible; }
  .nav-link {
    justify-content: flex-start;
    padding: 12px 14px;
    border-left: 2px solid transparent;
    border-bottom: 0;
    margin-bottom: 0;
  }
  .nav-link.active { border-left-color: var(--primary); color: var(--primary); background: rgba(38, 106, 128, .06); }
  .page-band-title { font-size: 34px; }
  .section { padding: 64px 0; }
}

@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .overview-grid { grid-template-columns: 1fr; gap: 28px; }
  .section-title { font-size: 25px; }
  .section-head { margin-bottom: 28px; }
  .steps-grid { grid-template-columns: 1fr; gap: 14px; }
  .compare-layout { grid-template-columns: 1fr; }
  .cta-form-wrap { padding: 30px 20px; }
  .cta-info-wrap { padding: 30px 20px; }
  .cta-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; gap: 16px; }
  .footer-top { grid-template-columns: 1fr; gap: 32px; padding: 44px 0 30px; }
  .footer-brand .brand { margin-bottom: 14px; }
  .footer-col h4 { margin-bottom: 12px; }
  .footer-bottom { flex-direction: column; justify-content: center; text-align: center; }
  .topic-row { align-items: flex-start; flex-direction: column; gap: 8px; }
  .topic-meta { margin-left: 0; width: 100%; }
  .topic-index { min-width: 0; }
  .faq-question { font-size: 15px; padding: 17px 18px; }
  .faq-answer-inner { padding: 0 18px 18px; }
  .page-band { padding: 36px 0 30px; }
  .page-band-title { font-size: 29px; }
  .page-band-desc { font-size: 15px; }
}
@media (max-width: 480px) {
  .header-row { padding-left: 16px; padding-right: 16px; }
  .brand-text { font-size: 16px; }
  .brand-mark { width: 32px; height: 32px; border-radius: 8px; }
  .search-btn { padding: 7px 12px; }
  .search-form { padding-left: 10px; }
  .section { padding: 52px 0; }
  .topic-row { padding: 14px 16px; }
  .step-card { padding: 20px 16px; }
  .table-wrap { border-radius: 10px; }
  .scenario-table th, .scenario-table td { padding: 12px 14px; }
}

/* roulang page: category3 */
body{font-family:"Microsoft YaHei",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.7;color:#1f2937;background:#f7f9fc}
  header,footer{background:#0f172a;color:#fff} header a,footer a{color:inherit;text-decoration:none}
  main section{padding:64px 0} .container{max-width:1180px}
  .hero,.site-hero{background:linear-gradient(135deg,#0f172a,#1d4ed8);color:#fff}
  .card,.feature-card,.service-card,.category-card{border:1px solid rgba(15,23,42,.08);box-shadow:0 12px 32px rgba(15,23,42,.08);border-radius:16px}
  .btn,.button,a[class*="btn"]{border-radius:999px;font-weight:700}
  img{max-width:100%;height:auto} @media(max-width:768px){main section{padding:42px 0} h1{font-size:2rem}}