/* roulang page: index */
:root{
  --bg-body:#f5f8fc;
  --bg-white:#ffffff;
  --bg-soft:#eaf0f7;
  --brand:#2f6fac;
  --brand-dark:#245a91;
  --brand-deep:#1b476c;
  --brand-light:#ddeaf5;
  --accent:#f28c3b;
  --text-title:#1e2e3d;
  --text-body:#3c5466;
  --text-soft:#7c93a5;
  --border:#d8e2ee;
  --radius-card:12px;
  --radius-btn:6px;
  --shadow-card:0 2px 8px rgba(30,70,110,.08);
  --shadow-hover:0 12px 28px rgba(30,70,110,.14);
  --footer-bg:#182b3b;
  --footer-text:#c9d6e3;
  --font-main:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-main);
  background:var(--bg-body);
  color:var(--text-body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
p{margin:0 0 1.2em;}
h1,h2,h3,h4,h5{color:var(--text-title);margin:0;line-height:1.3;font-weight:700;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:var(--font-main);}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-margin-x>.cell{margin-bottom:24px;}
.section-title{
  font-size:30px;
  font-weight:700;
  color:var(--text-title);
  line-height:1.3;
  margin-bottom:10px;
}
.section-desc{
  font-size:15px;
  color:var(--text-soft);
  max-width:720px;
  line-height:1.7;
  margin-bottom:32px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 28px;
  border-radius:6px;
  font-size:16px;
  font-weight:600;
  line-height:1;
  border:2px solid transparent;
  text-decoration:none;
  transition:all .22s ease;
  cursor:pointer;
  white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(47,111,172,.32);outline-offset:3px;}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand);}
.btn-primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:var(--brand-light);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.btn-white{background:#fff;color:var(--brand-deep);border-color:#fff;}
.btn-white:hover{background:#eaf0f7;border-color:#eaf0f7;color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-ghost-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.78);}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px);}
.link-arrow{display:inline-flex;align-items:center;gap:4px;font-weight:600;font-size:14px;color:var(--brand);}
.link-arrow i{transition:transform .2s ease;}
.link-arrow:hover i{transform:translateX(4px);}

.site-header{background:#fff;}
.topbar{background:#fff;border-bottom:1px solid var(--border);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-title);}
.brand:hover{color:var(--text-title);}
.brand-mark{
  width:46px;height:46px;border-radius:12px;background:linear-gradient(135deg,var(--brand) 0%,#4388c7 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-family:Arial,Helvetica,sans-serif;font-weight:800;font-size:17px;letter-spacing:-.5px;box-shadow:0 6px 14px rgba(47,111,172,.26);
}
.brand-name{font-size:20px;font-weight:800;color:var(--text-title);letter-spacing:.4px;}
.brand-tag{font-size:12px;color:var(--text-soft);margin-top:1px;}
.top-tools{display:flex;align-items:center;gap:14px;}
.top-tool-btn{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 14px;border-radius:6px;border:1px solid var(--border);background:#fff;color:var(--text-body);font-size:14px;font-weight:500;transition:.2s;}
.top-tool-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);}
.tool-accent{display:inline-flex;align-items:center;gap:6px;height:40px;padding:0 18px;border-radius:6px;background:var(--brand);color:#fff;font-size:14px;font-weight:600;transition:.2s;}
.tool-accent:hover{background:var(--brand-dark);color:#fff;}
.menu-toggle{display:none;width:44px;height:44px;background:transparent;border:1px solid var(--border);border-radius:8px;align-items:center;justify-content:center;font-size:18px;color:var(--brand);cursor:pointer;transition:.2s;}
.menu-toggle:hover{background:var(--brand-light);}

.channel-bar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:80;box-shadow:0 1px 8px rgba(30,70,110,.04);}
.channel-inner{display:flex;align-items:center;overflow-x:auto;scrollbar-width:none;min-height:58px;}
.channel-inner::-webkit-scrollbar{display:none;}
.nav-item{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:58px;
  padding:0 17px;
  margin-right:8px;
  font-size:15px;
  font-weight:600;
  color:var(--text-body);
  white-space:nowrap;
  transition:.2s;
  border-radius:6px 6px 0 0;
}
.nav-item i{margin-right:6px;font-size:14px;color:var(--text-soft);transition:.2s;}
.nav-item:hover{background:var(--bg-soft);color:var(--brand-dark);}
.nav-item:hover i{color:var(--brand);}
.nav-item.is-active{color:var(--brand);font-weight:700;}
.nav-item.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:6px 6px 0 0;background:var(--brand);}
.nav-item.is-active i{color:var(--brand);}

.hero{
  position:relative;
  min-height:620px;
  padding:120px 0 100px;
  background:
    linear-gradient(180deg,rgba(9,22,36,.78) 0%,rgba(11,33,53,.62) 58%,rgba(14,45,71,.86) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color:#fff;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.hero::before{
  content:"";
  position:absolute;width:420px;height:420px;right:-120px;top:-140px;border-radius:50%;
  border:46px solid rgba(242,140,59,.22);
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;width:260px;height:260px;right:130px;bottom:-130px;border-radius:50%;
  border:34px solid rgba(255,255,255,.12);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:2px;text-transform:uppercase;color:#ffd5b8;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:8px 16px;border-radius:999px;margin-bottom:24px;backdrop-filter:blur(3px);
}
.hero-title{font-size:44px;line-height:1.28;color:#fff;margin-bottom:22px;font-weight:800;letter-spacing:.2px;text-wrap:balance;}
.hero-title span{color:#ffb478;}
.hero-sub{font-size:19px;line-height:1.8;color:rgba(255,255,255,.9);max-width:620px;margin-bottom:36px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:42px;}
.hero-quick{
  display:flex;flex-wrap:wrap;gap:16px 26px;margin-top:10px;
}
.hero-quick li{display:inline-flex;align-items:center;gap:10px;font-size:14px;color:rgba(255,255,255,.9);}
.hero-quick i{color:#ffb478;font-size:15px;}
.hero-visual{
  border-radius:var(--radius-card);
  padding:28px 24px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(8px);
  box-shadow:0 20px 50px rgba(0,0,0,.22);
}
.hero-v-title{color:#fff;font-size:17px;font-weight:700;margin-bottom:8px;}
.hero-v-sub{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:18px;}
.hero-v-list{display:flex;flex-direction:column;gap:14px;}
.hero-v-item{display:flex;gap:12px;align-items:center;color:rgba(255,255,255,.92);font-size:14px;}
.hero-v-item .dot{width:28px;height:28px;border-radius:50%;background:var(--accent);flex:none;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:12px;}

.section-block{padding:96px 0;}
.section-soft{background:var(--bg-soft);}
.section-white{background:var(--bg-white);}
.eyebrow-chip{
  display:inline-flex;align-items:center;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:7px 15px;margin-bottom:14px;
}

.intro-media{position:relative;}
.intro-media img{border-radius:16px;box-shadow:var(--shadow-hover);}
.intro-media::after{content:"";position:absolute;right:-18px;bottom:-18px;width:80%;height:80%;border:2px solid var(--brand-light);border-radius:16px;z-index:-1;}
.intro-points{margin-top:26px;display:flex;flex-direction:column;gap:16px;}
.intro-point{display:flex;gap:14px;align-items:flex-start;}
.intro-point-icon{width:42px;height:42px;flex:none;border-radius:10px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px;}
.intro-point h3{font-size:16px;color:var(--text-title);margin-bottom:3px;}
.intro-point p{font-size:14px;color:var(--text-soft);margin:0;}

.feature-card{
  height:100%;
  background:var(--bg-white);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease;
  display:flex;
  flex-direction:column;
}
.feature-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-4px);}
.feature-icon{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff;background:var(--brand);margin-bottom:18px;
}
.f-1 .feature-icon{background:var(--accent);}
.f-2 .feature-icon{background:#3f7d44;}
.f-3 .feature-icon{background:var(--brand);}
.f-4 .feature-icon{background:#8a5fc0;}
.feature-title{font-size:19px;color:var(--text-title);font-weight:700;margin-bottom:8px;}
.feature-text{font-size:14px;color:var(--text-body);line-height:1.75;flex:1;margin-bottom:18px;}
.feature-link{color:var(--brand);font-size:14px;font-weight:600;}
.feature-link i{transition:transform .2s;}
.feature-link:hover i{transform:translateX(4px);}

.step-card{
  height:100%;background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-card);padding:26px;position:relative;transition:.25s;
}
.step-card:hover{box-shadow:var(--shadow-card);border-color:var(--brand-light);}
.step-num{font-family:Arial,Helvetica,sans-serif;font-style:italic;font-size:34px;font-weight:800;color:var(--brand-light);display:block;line-height:1;margin-bottom:15px;}
.step-title{font-size:17px;font-weight:700;color:var(--text-title);margin-bottom:8px;}
.step-text{font-size:14px;color:var(--text-body);margin:0;}

.news-section{background:url('/assets/images/backpic/back-2.png') center top / cover no-repeat,var(--bg-body);}
.news-section .section-title,.news-section .section-desc{color:#fff;}
.news-section .section-desc{color:rgba(255,255,255,.8);}
.news-title-layer{position:relative;z-index:3;}
.news-main-card{
  background:#fff;border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-hover);display:flex;flex-direction:column;height:100%;
}
.news-main-img{position:relative;min-height:230px;background:url('/assets/images/coverpic/cover-8.png') center / cover no-repeat;}
.news-main-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(15,32,48,.36));}
.news-main-body{padding:24px;flex:1;display:flex;flex-direction:column;}
.news-cat{
  display:inline-block;font-size:12px;font-weight:700;color:var(--brand);background:var(--brand-light);border-radius:999px;padding:4px 11px;margin-bottom:8px;align-self:flex-start;
}
.news-main-body h3{font-size:20px;line-height:1.45;font-weight:700;color:var(--text-title);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main-body p{font-size:14px;color:var(--text-soft);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:15px;}
.news-main-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:13px;color:var(--text-soft);}
.news-list-card{background:#fff;border-radius:12px;padding:18px;box-shadow:var(--shadow-card);height:100%;}
.news-list-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;padding-bottom:14px;border-bottom:1px solid var(--border);}
.news-list-head span{font-size:16px;font-weight:700;color:var(--text-title);}
.news-list-head a{color:var(--brand);font-size:13px;}
.news-row{
  display:flex;align-items:center;gap:14px;padding:12px 6px;border-radius:10px;transition:background .15s;
}
.news-row:hover{background:var(--brand-light);}
.news-row:not(:last-child){border-bottom:1px solid #edf2f8;}
.news-row-cat{flex:0 0 auto;font-size:12px;font-weight:700;background:var(--brand-light);color:var(--brand);padding:4px 9px;border-radius:6px;min-width:58px;text-align:center;white-space:nowrap;}
.news-row-main{flex:1;min-width:0;}
.news-row-title{font-size:14px;font-weight:600;color:var(--text-title);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.4;display:block;}
.news-row-title:hover{color:var(--brand);}
.news-row-time{font-size:12px;color:var(--text-soft);margin-top:2px;}
.news-empty{
  border:2px dashed #d5dfe9;border-radius:16px;background:rgba(255,255,255,.92);padding:52px 30px;text-align:center;color:var(--text-soft);
}
.news-empty i{font-size:42px;color:#a5c1d9;margin-bottom:12px;display:block;}
.news-empty p{margin:0;font-size:15px;}

.popular-grid{display:flex;flex-wrap:wrap;gap:16px;}
.popular-tag{
  display:inline-flex;align-items:center;gap:8px;padding:9px 20px;border-radius:999px;background:#fff;border:1px solid var(--border);font-size:14px;color:var(--text-body);font-weight:500;box-shadow:0 1px 4px rgba(30,70,110,.05);transition:.2s;
}
.popular-tag i{color:var(--accent);font-size:13px;}
.popular-tag:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-light);transform:translateY(-2px);}
.info-feature-box{
  background:var(--bg-soft);border-radius:16px;padding:34px;display:flex;flex-direction:column;gap:18px;height:100%;
}
.info-feature-box:nth-child(2){background:var(--brand-light);}
.info-grid-icon{font-size:26px;color:var(--brand);width:52px;height:52px;border-radius:14px;background:#fff;display:flex;align-items:center;justify-content:center;}
.info-grid-box h3{font-size:17px;color:var(--text-title);margin-bottom:5px;}
.info-grid-box p{font-size:14px;color:var(--text-body);margin:0;}

.cta-band{
  position:relative;
  background:linear-gradient(120deg,var(--brand-deep) 0%,var(--brand) 100%);
  color:#fff;
  overflow:hidden;
  padding:80px 0;
}
.cta-band::before{content:"";position:absolute;left:10%;bottom:-60%;width:330px;height:330px;border:44px solid rgba(255,255,255,.09);border-radius:50%;}
.cta-band .grid-x{align-items:center;position:relative;z-index:2;}
.cta-title{color:#fff;font-size:30px;font-weight:700;line-height:1.4;margin-bottom:12px;}
.cta-desc{color:rgba(255,255,255,.82);font-size:16px;max-width:560px;margin-bottom:26px;}
.cta-form{display:flex;background:#fff;border-radius:99px;padding:6px;box-shadow:var(--shadow-hover);max-width:520px;}
.cta-input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:8px 18px;font-size:14px;color:var(--text-title);}
.cta-form .btn{flex:none;border-radius:99px;min-height:46px;}

.faq-details{
  background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:.2s;
}
.faq-details + .faq-details{margin-top:14px;}
.faq-details[open]{box-shadow:var(--shadow-card);border-color:var(--brand);}
.faq-summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;padding:19px 24px;font-size:16px;font-weight:600;color:var(--text-title);gap:22px;}
.faq-summary::-webkit-details-marker{display:none;}
.faq-summary .faq-icon{width:28px;height:28px;flex:none;border-radius:50%;background:var(--brand-light);display:inline-flex;align-items:center;justify-content:center;color:var(--brand);transition:.25s;}
.faq-summary .faq-icon i{transition:transform .2s;}
.faq-details[open] .faq-summary .faq-icon{background:var(--brand);color:#fff;}
.faq-details[open] .faq-summary .faq-icon i{transform:rotate(45deg);}
.faq-answer{padding:0 24px 22px;font-size:14px;line-height:1.8;color:var(--text-body);}
.faq-answer .accent-text{color:var(--brand);background:var(--brand-light);border-radius:5px;padding:2px 8px;font-weight:600;}

.footer{background:var(--footer-bg);color:var(--footer-text);padding-top:74px;}
.footer-grid .cell{margin-bottom:36px;}
.footer-brand-name{color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;line-height:1.8;color:var(--footer-text);margin-bottom:18px;max-width:320px;}
.footer-social{display:flex;gap:12px;}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);color:var(--footer-text);font-size:15px;transition:.2s;}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{display:inline-flex;align-items:center;gap:6px;color:var(--footer-text);font-size:14px;transition:.2s;}
.footer-links a i{font-size:11px;color:#5d7b98;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0;margin-top:26px;font-size:13px;}
.footer-bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;color:var(--footer-text);}

@media (min-width:640px) and (max-width:1023px){
  .hero{padding:84px 0 76px;}
  .hero-title{font-size:36px;}
  .hero-visual{margin-top:36px;}
  .section-block{padding:70px 0;}
  .intro-media{margin-bottom:44px;}
}
@media (max-width:639px){
  .grid-container{padding-left:16px;padding-right:16px;}
  .topbar-inner{height:66px;}
  .brand-name{font-size:17px;white-space:nowrap;}
  .top-tool-btn{display:none;}
  .menu-toggle{display:inline-flex;}
  .channel-bar{display:none;}
  .channel-bar.open{display:block;}
  .channel-inner{overflow-x:auto;min-height:52px;}
  .nav-item{height:48px;font-size:14px;}
  .hero{min-height:0;padding:62px 0 64px;}
  .hero-title{font-size:31px;}
  .hero-sub{font-size:16px;margin-bottom:28px;}
  .hero-actions .btn{width:100%;}
  .hero-visual{margin-top:32px;padding:22px 18px;}
  .section-block{padding:58px 0;}
  .section-title{font-size:25px;}
  .cta-title{font-size:25px;}
  .cta-form{flex-direction:column;border-radius:14px;padding:10px;}
  .cta-input{padding:10px 14px;margin-bottom:10px;}
  .cta-form .btn{width:100%;}
  .footer-bottom-inner{justify-content:center;text-align:center;}
}

/* roulang page: article */
:root {
  --bg-body: #F5F8FC;
  --bg-card: #FFFFFF;
  --bg-soft: #EAF0F7;
  --bg-blue: #DDEAF5;
  --primary: #2F6FAC;
  --primary-hover: #245A91;
  --primary-active: #1B476C;
  --primary-gradient: linear-gradient(135deg, #2F6FAC 0%, #4388C7 100%);
  --accent: #F28C3B;
  --text-title: #1E2E3D;
  --text-body: #3C5466;
  --text-weak: #7C93A5;
  --line: #D8E2EE;
  --shadow-sm: 0 2px 8px rgba(30,70,110,0.08);
  --shadow-lg: 0 12px 28px rgba(30,70,110,0.14);
  --radius: 12px;
  --radius-btn: 6px;
  --footer-bg: #182B3B;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  background: var(--bg-body);
  -webkit-font-smoothing: antialiased;
}

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

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

a:hover,
a:focus {
  color: var(--primary-hover);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(47, 111, 172, 0.3);
  outline-offset: 2px;
}

.grid-container {
  max-width: 1200px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 1px 0 rgba(30, 70, 110, 0.06);
}

.header-brand-row {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.brand-row-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
  gap: 18px;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--primary-gradient);
  box-shadow: 0 6px 16px rgba(47, 111, 172, 0.22);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.3px;
  color: #fff;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-title);
  letter-spacing: 0.4px;
  white-space: nowrap;
}

.brand-tools {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--primary);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.25s ease;
}

.tool-link:hover {
  background: var(--bg-blue);
  color: var(--primary-hover);
}

.header-channel-row {
  background: #fff;
  border-bottom: 1px solid var(--line);
}

.channel-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 58px;
  overflow-x: auto;
  scrollbar-width: none;
}

.channel-inner::-webkit-scrollbar {
  display: none;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  white-space: nowrap;
  transition: all 0.2s ease;
}

.nav-item i {
  font-size: 13px;
  opacity: 0.85;
}

.nav-item:hover {
  background: var(--bg-blue);
  color: var(--primary);
}

.nav-item.is-active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47, 111, 172, 0.22);
}

.nav-item.is-active:hover {
  background: var(--primary-hover);
  color: #fff;
}

.article-hero {
  position: relative;
  padding: 66px 0 48px;
  border-bottom: 1px solid var(--line);
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
}

.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(245, 248, 252, 0.88) 0%, rgba(255, 255, 255, 0.95) 88%);
}

.article-hero .grid-container {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-weak);
  margin-bottom: 22px;
}

.breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--text-weak);
  transition: color 0.2s;
}

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

.breadcrumb .sep {
  color: var(--line);
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--text-body);
  font-weight: 600;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
  max-width: 480px;
}

.article-title {
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--text-title);
  max-width: 940px;
  margin: 0 0 22px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 28px;
  color: var(--text-weak);
  font-size: 14px;
}

.meta-item i {
  margin-right: 5px;
  color: var(--accent);
}

.article-body-section {
  padding: 56px 0 28px;
}

.article-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.article-card {
  background: var(--bg-card);
  border-radius: 18px;
  box-shadow: var(--shadow-sm);
  padding: 32px;
  margin-bottom: 34px;
}

.article-meta-panel {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--text-weak);
}

.article-meta-panel .panel-item i {
  margin-right: 6px;
  color: var(--primary);
}

.article-body-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-body);
  overflow-wrap: break-word;
}

.article-body-content h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-title);
  margin: 1.7em 0 0.65em;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.article-body-content h3 {
  font-size: 21px;
  font-weight: 600;
  color: var(--text-title);
  margin: 1.5em 0 0.6em;
}

.article-body-content p {
  margin: 0 0 1.2em;
}

.article-body-content ul,
.article-body-content ol {
  margin: 0 0 1.4em;
  padding-left: 1.5em;
}

.article-body-content li {
  margin-bottom: 6px;
}

.article-body-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
  transition: color 0.2s;
}

.article-body-content a:hover {
  color: var(--primary-hover);
  text-decoration-thickness: 2px;
}

.article-body-content blockquote {
  margin: 1.6em 0;
  padding: 18px 22px;
  background: var(--bg-blue);
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  color: var(--text-title);
}

.article-body-content img {
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
  margin: 1.6em auto;
}

.article-body-content figure {
  margin: 1.6em 0;
}

.article-body-content figcaption {
  text-align: center;
  font-size: 13px;
  color: var(--text-weak);
  margin-top: 8px;
}

.article-body-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.6em 0;
  font-size: 15px;
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
}

.article-body-content th {
  background: var(--bg-blue);
  color: var(--text-title);
  text-align: left;
  padding: 12px 14px;
}

.article-body-content td {
  border-bottom: 1px solid var(--line);
  padding: 10px 14px;
}

.article-body-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2em 0;
}

.article-body-content pre {
  background: #1E2E3D;
  color: #e5edf4;
  padding: 18px;
  border-radius: 10px;
  overflow-x: auto;
}

.article-body-content code {
  background: var(--bg-soft);
  color: var(--primary);
  padding: 2px 7px;
  border-radius: 5px;
  font-size: 14px;
}

.article-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-top: 1px solid var(--line);
  margin-top: 38px;
  padding-top: 24px;
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  background: var(--bg-blue);
  color: var(--primary);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
}

.article-more-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.article-more-links a {
  font-size: 14px;
  font-weight: 600;
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: all 0.2s ease;
}

.arrow-link i {
  font-size: 12px;
  transition: transform 0.2s;
}

.arrow-link:hover i {
  transform: translateX(3px);
}

.content-not-found {
  text-align: center;
  padding: 58px 24px;
  border: 2px dashed var(--line);
  border-radius: var(--radius);
}

.content-not-found i {
  font-size: 34px;
  color: var(--text-weak);
  margin-bottom: 12px;
}

.content-not-found h2 {
  font-size: 24px;
  color: var(--text-title);
  margin: 0 0 10px;
}

.content-not-found p {
  color: var(--text-weak);
  font-size: 15px;
  max-width: 420px;
  margin: 0 auto 22px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all 0.25s ease;
}

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

.btn-primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(47, 111, 172, 0.18);
}

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

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

/* 栏目推荐 */
.related-column-section {
  background: var(--bg-soft);
  padding: 66px 0;
  scroll-margin-top: 140px;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.section-kicker {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--primary);
  margin-bottom: 6px;
}

.section-title {
  font-size: 30px;
  line-height: 1.25;
  font-weight: 800;
  color: var(--text-title);
  margin: 0;
}

.section-desc {
  color: var(--text-weak);
  font-size: 15px;
  margin: 6px 0 0;
}

.section-link {
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
}

.column-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-card);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  color: var(--text-body);
}

.column-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  color: var(--text-body);
}

.column-card-media {
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg-soft);
}

.column-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.45s ease;
}

.column-card:hover .column-card-media img {
  transform: scale(1.04);
}

.column-card-body {
  display: block;
  padding: 22px;
}

.column-card-tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  background: var(--bg-blue);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 12px;
}

.column-card-name {
  display: block;
  font-size: 19px;
  font-weight: 700;
  color: var(--text-title);
  margin-bottom: 8px;
}

.column-card-desc {
  display: block;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-weak);
  margin-bottom: 18px;
}

.column-card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
}

.column-card-link i {
  font-size: 12px;
  transition: transform 0.2s;
}

.column-card:hover .column-card-link i {
  transform: translateX(4px);
}

/* CTA订阅 */
.subscribe-section {
  padding: 70px 0 50px;
  background: var(--bg-body);
}

.cta-box {
  background: var(--primary-gradient);
  border-radius: 22px;
  padding: 46px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
  color: #fff;
  box-shadow: 0 18px 40px rgba(47, 111, 172, 0.18);
  position: relative;
  overflow: hidden;
}

.cta-box::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -80px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  border: 34px solid rgba(255, 255, 255, 0.12);
}

.cta-copy {
  position: relative;
  z-index: 1;
  flex: 1 1 360px;
}

.cta-copy h2 {
  font-size: 27px;
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
}

.cta-copy p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 15px;
  line-height: 1.7;
  margin: 0;
}

.subscribe-form-wrap {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 420px;
  width: 100%;
}

.subscribe-form-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.subscribe-form-inner input[type="email"] {
  flex: 1 1 220px;
  width: auto;
  height: 50px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 8px;
  padding: 0 16px;
  color: #fff;
  font-size: 15px;
  margin: 0;
  box-shadow: none;
  transition: all 0.2s ease;
}

.subscribe-form-inner input[type="email"]::placeholder {
  color: rgba(255, 255, 255, 0.8);
}

.subscribe-form-inner input[type="email"]:focus {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.22);
  outline: 3px solid rgba(255, 255, 255, 0.25);
}

.btn-white {
  height: 50px;
  background: #fff;
  color: var(--primary);
  border: none;
  border-radius: 8px;
  padding: 0 26px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.22s ease;
}

.btn-white:hover {
  background: var(--bg-soft);
  color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(27, 71, 108, 0.22);
}

.form-message {
  font-size: 13px;
  color: #fff3e2;
  line-height: 1.5;
}

/* FAQ */
.faq-section {
  padding: 70px 0 90px;
  background: #fff;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  overflow: hidden;
}

.faq-item:hover {
  border-color: #b7cbdf;
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  padding: 20px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-title);
  line-height: 1.5;
  transition: color 0.2s;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 24px;
  font-weight: 400;
  color: var(--primary);
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.faq-item[open] summary {
  color: var(--primary);
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-weak);
  border-left: 4px solid var(--primary);
  margin: 0 18px 18px;
  padding-left: 14px;
}

.faq-answer p {
  margin: 0;
}

/* Footer */
.footer {
  background: var(--footer-bg);
  padding: 72px 0 0;
  color: #C9D6E3;
  font-size: 14px;
  line-height: 1.8;
}

.footer-grid {
  padding-bottom: 52px;
}

.footer a {
  color: #C9D6E3;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer a:hover {
  color: #fff;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}

.footer-desc {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  line-height: 1.8;
  max-width: 340px;
  margin-bottom: 18px;
}

.footer-social {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #C9D6E3;
  font-size: 15px;
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-3px);
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links li i {
  color: var(--primary);
  margin-right: 4px;
  font-size: 12px;
}

.footer-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 4px;
}

.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
}

.footer-bottom-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.footer-bottom-row a {
  color: rgba(255, 255, 255, 0.65);
}

/* 响应式 */
@media screen and (max-width: 1023px) {
  .brand-row-inner {
    min-height: 70px;
  }

  .article-hero {
    padding: 52px 0 40px;
  }

  .cta-box {
    padding: 38px 28px;
  }
}

@media screen and (max-width: 639px) {
  body {
    font-size: 15px;
  }

  .brand-row-inner {
    min-height: 62px;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    font-size: 14px;
  }

  .brand-name {
    font-size: 17px;
  }

  .brand-tools .tool-text {
    display: none;
  }

  .tool-link {
    padding: 8px 11px;
  }

  .channel-inner {
    min-height: 52px;
  }

  .nav-item {
    padding: 7px 13px;
    font-size: 14px;
    gap: 5px;
  }

  .nav-item i {
    font-size: 12px;
  }

  .article-hero {
    padding: 42px 0 32px;
  }

  .breadcrumb {
    margin-bottom: 16px;
    font-size: 12px;
  }

  .article-title {
    font-size: 26px;
    line-height: 1.35;
  }

  .article-meta {
    gap: 8px 16px;
    font-size: 13px;
  }

  .article-body-section {
    padding: 24px 0 20px;
  }

  .article-card {
    padding: 20px;
    border-radius: 14px;
  }

  .article-body-content {
    font-size: 15px;
    line-height: 1.8;
  }

  .article-body-content h2 {
    font-size: 22px;
  }

  .article-body-content h3 {
    font-size: 18px;
  }

  .article-foot {
    flex-direction: column;
    align-items: flex-start;
  }

  .related-column-section {
    padding: 48px 0;
  }

  .section-title {
    font-size: 25px;
  }

  .section-head {
    margin-bottom: 22px;
  }

  .subscribe-section {
    padding: 48px 0 36px;
  }

  .cta-box {
    padding: 34px 22px;
    flex-direction: column;
    align-items: stretch;
  }

  .cta-copy h2 {
    font-size: 22px;
  }

  .cta-copy p {
    font-size: 14px;
  }

  .subscribe-form-inner {
    flex-direction: column;
  }

  .subscribe-form-inner input[type="email"],
  .btn-white {
    width: 100%;
  }

  .faq-section {
    padding: 48px 0 66px;
  }

  .faq-item summary {
    padding: 16px 14px;
    font-size: 14px;
  }

  .faq-answer {
    padding: 0 14px 16px;
    font-size: 14px;
    margin: 0 10px 14px;
  }

  .footer {
    padding-top: 56px;
  }

  .footer-grid {
    padding-bottom: 38px;
  }

  .footer-brand-name {
    font-size: 18px;
  }

  .footer-bottom-row {
    justify-content: center;
    text-align: center;
  }
}

/* roulang page: category1 */
:root {
  --bg-main: #F5F8FC;
  --bg-card: #FFFFFF;
  --bg-soft: #EAF0F7;
  --brand: #2F6FAC;
  --brand-hover: #245A91;
  --brand-active: #1B476C;
  --brand-grad: linear-gradient(120deg, #2F6FAC 0%, #4388C7 100%);
  --accent-orange: #F28C3B;
  --accent-soft: #FBEDE0;
  --brand-soft: #DDEAF5;
  --text-heading: #1E2E3D;
  --text-body: #3C5466;
  --text-aux: #7C93A5;
  --line: #D8E2EE;
  --shadow-base: 0 2px 8px rgba(30, 70, 110, 0.08);
  --shadow-hover: 0 12px 28px rgba(30, 70, 110, 0.14);
  --radius-card: 12px;
  --radius-btn: 6px;
  --radius-badge: 999px;
}

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

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg-main);
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-body);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

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

a:hover {
  color: var(--brand-hover);
}

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

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

p,
h1,
h2,
h3,
h4 {
  margin: 0;
}

.grid-container {
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

.button, button {
  font-family: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-btn);
  border: 1.5px solid transparent;
  padding: 12px 26px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color .25s ease, border-color .25s ease, color .25s ease, transform .25s ease, box-shadow .25s ease;
}

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

.btn-primary:hover {
  background: var(--brand-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(47, 111, 172, 0.22);
}

.btn-primary:active {
  background: var(--brand-active);
  transform: translateY(0);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--brand);
  color: var(--brand);
}

.btn-secondary:hover {
  background: var(--brand-soft);
  color: var(--brand-hover);
  transform: translateY(-2px);
}

.btn-light {
  background: #ffffff;
  color: var(--brand);
  border-color: rgba(255, 255, 255, 0.35);
}

.btn-light:hover {
  background: #fff;
  background: #F0F7FF;
  color: var(--brand-hover);
  transform: translateY(-2px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(8px);
}

.topbar {
  border-bottom: 1px solid var(--line);
  background: #fff;
}

.topbar-inner {
  display: flex;
  align-items: center;
  height: 68px;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 700;
  color: var(--text-heading);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--brand-grad);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0;
  line-height: 1;
  box-shadow: 0 6px 14px rgba(47, 111, 172, 0.25);
}

.brand:hover {
  color: var(--brand);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.topbar-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 13px;
  font-weight: 600;
  transition: background .2s ease, transform .2s ease;
}

.topbar-link:hover {
  background: #c8deef;
  color: var(--brand-hover);
  transform: translateY(-1px);
}

.channel-nav {
  background: #fff;
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 6px rgba(30, 70, 110, 0.03);
}

.channel-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
}

.channel-inner {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  overflow-x: auto;
  gap: 6px;
  font-size: 15px;
  scrollbar-width: none;
}

.channel-inner::-webkit-scrollbar {
  display: none;
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--text-body);
  font-weight: 500;
  white-space: nowrap;
  transition: background-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.nav-item i {
  font-size: 13px;
  opacity: .82;
}

.nav-item:hover {
  background: var(--brand-soft);
  color: var(--brand);
  transform: translateY(-1px);
}

.nav-item:focus-visible {
  outline: 3px solid rgba(47, 111, 172, 0.35);
  outline-offset: 2px;
}

.nav-item.is-active {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 8px 16px rgba(47, 111, 172, 0.2);
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--brand);
  font-size: 20px;
  cursor: pointer;
  margin-left: auto;
  transition: border-color .2s, background .2s;
}

.nav-toggle:hover {
  background: var(--brand-soft);
}

.page-hero {
  position: relative;
  overflow: hidden;
  background-color: var(--bg-soft);
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  padding: 92px 0 84px;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(95deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.86) 48%, rgba(255, 255, 255, 0.42) 100%);
}

.page-hero-main {
  position: relative;
  z-index: 2;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-aux);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: var(--brand);
  font-weight: 500;
}

.breadcrumb i {
  font-size: 12px;
  color: #A9BDCE;
}

.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 1px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 7px 16px;
  margin-bottom: 22px;
}

.hero-kicker::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-orange);
}

.h1-page {
  font-size: 44px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-heading);
  letter-spacing: .5px;
}

.page-hero-desc {
  max-width: 640px;
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-body);
  margin-top: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 36px;
}

.section {
  padding: 96px 0;
}

.section-soft {
  background: var(--bg-soft);
}

.section-head {
  max-width: 680px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-eyebrow {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  padding: 5px 12px;
  border-radius: var(--radius-badge);
  background: var(--brand-soft);
  font-size: 13px;
  color: var(--brand);
  font-weight: 600;
}

.section-title {
  font-size: 32px;
  color: var(--text-heading);
  line-height: 1.3;
  font-weight: 700;
  margin-top: 16px;
}

.section-sub {
  font-size: 16px;
  color: var(--text-aux);
  line-height: 1.8;
  margin-top: 14px;
}

.feature-grid .cell {
  margin-bottom: 24px;
}

.icon-card {
  height: 100%;
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-base);
  padding: 34px 30px;
  transition: box-shadow .25s ease, transform .25s ease;
}

.icon-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

.icon-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 22px;
  margin-bottom: 20px;
  transition: background .25s, transform .25s;
}

.icon-card:hover .icon-card-icon {
  background: var(--brand);
  color: #fff;
  transform: scale(1.04);
}

.icon-card-title {
  font-size: 18px;
  line-height: 1.4;
  color: var(--text-heading);
  font-weight: 600;
}

.icon-card-text {
  font-size: 15px;
  margin-top: 10px;
  color: var(--text-body);
  line-height: 1.75;
}

.split-section {
  overflow: hidden;
}

.feature-visual {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  background: #dbe5f0;
}

.feature-visual img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform .4s ease;
}

.feature-visual:hover img {
  transform: scale(1.02);
}

.feature-visual-overlay {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  color: var(--text-heading);
}

.feature-visual-overlay strong {
  font-size: 15px;
}

.feature-visual-overlay span {
  font-size: 12px;
  color: var(--text-aux);
}

.split-title {
  font-size: 30px;
  color: var(--text-heading);
  line-height: 1.3;
  font-weight: 700;
  margin-top: 16px;
}

.split-copy {
  margin-top: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-body);
}

.split-points {
  margin-top: 28px;
}

.split-points li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--text-body);
}

.split-points li i {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: var(--brand);
  background: var(--brand-soft);
  font-size: 12px;
  margin-top: 3px;
}

.type-card {
  position: relative;
  background: #fff;
  border-radius: 14px;
  padding: 26px 24px;
  height: 100%;
  border: 1px solid #e4ebf3;
  box-shadow: var(--shadow-base);
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s;
}

.type-card:hover {
  border-color: var(--brand-soft);
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

.type-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.type-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 13px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 20px;
}

.type-tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  color: var(--brand);
  background: var(--brand-soft);
  border-radius: 999px;
  padding: 4px 10px;
  font-weight: 600;
}

.type-card h3 {
  font-size: 18px;
  color: var(--text-heading);
  font-weight: 600;
}

.type-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-aux);
  margin-top: 10px;
}

.type-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--brand);
  font-weight: 600;
  margin-top: 16px;
  transition: color .2s, gap .2s;
}

.type-link i {
  font-size: 12px;
}

.type-link:hover {
  color: var(--brand-hover);
  gap: 10px;
}

.demo-note-bar {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #B45B1A;
  font-size: 12px;
  padding: 6px 14px;
  font-weight: 600;
}

.schedule-card {
  background: #fff;
  border-radius: 14px;
  box-shadow: var(--shadow-base);
  overflow: hidden;
  border: 1px solid #e4ebf3;
}

.schedule-head {
  padding: 24px 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  border-bottom: 1px solid var(--line);
  flex-wrap: wrap;
}

.schedule-head i {
  color: var(--accent-orange);
  margin-right: 4px;
}

.schedule-head strong {
  font-size: 18px;
  color: var(--text-heading);
}

.schedule-head span {
  font-size: 13px;
  color: var(--text-aux);
}

.schedule-row {
  display: grid;
  grid-template-columns: 130px 1fr 130px 120px;
  gap: 0;
  align-items: center;
  padding: 18px 26px;
  border-bottom: 1px solid #edf2f7;
  transition: background-color .2s ease;
}

.schedule-row:last-child {
  border-bottom: none;
}

.schedule-row:hover {
  background: #F7FAFD;
}

.schedule-row .t-time {
  color: var(--brand);
  font-weight: 700;
  font-size: 16px;
}

.schedule-row .t-topic {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.schedule-row .t-topic strong {
  color: var(--text-heading);
  font-size: 15px;
  font-weight: 600;
}

.schedule-row .t-topic small {
  color: var(--text-aux);
  font-size: 12px;
}

.schedule-row .tag {
  justify-self: start;
}

.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
}

.tag-orange {
  background: var(--accent-soft);
  color: #B45B1A;
}

.schedule-status {
  justify-self: end;
  font-size: 13px;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  white-space: nowrap;
}

.status-open {
  background: #E1F4E9;
  color: #278562;
}

.status-pending {
  background: #FFF4E8;
  color: #C57829;
}

.demo-footnote {
  margin-top: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-aux);
  font-size: 13px;
}

.timeline-layout .cell {
  margin-bottom: 24px;
}

.timeline-card {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-base);
  padding: 32px;
  height: 100%;
  border: 1px solid #e9eef4;
}

.timeline-title {
  font-size: 20px;
  color: var(--text-heading);
  font-weight: 600;
  margin-bottom: 22px;
}

.timeline-list {
  position: relative;
}

.timeline-item {
  position: relative;
  padding-left: 30px;
  padding-bottom: 24px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--brand);
  box-shadow: 0 0 0 4px var(--brand-soft);
}

.timeline-item:after {
  content: "";
  position: absolute;
  left: 10px;
  top: 26px;
  bottom: 0;
  width: 2px;
  background: #E3EAF2;
}

.timeline-item:last-child:after {
  display: none;
}

.timeline-item time {
  font-size: 13px;
  color: var(--accent-orange);
  font-weight: 700;
}

.timeline-item p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.7;
  margin-top: 7px;
}

.step-list li {
  display: flex;
  flex-wrap: nowrap;
  align-items: flex-start;
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px dashed var(--line);
}

.step-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.step-list li i {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--brand-soft);
  color: var(--brand);
  text-align: center;
  line-height: 30px;
  font-size: 13px;
}

.step-list li strong {
  display: block;
  color: var(--text-heading);
  font-size: 15px;
  margin-bottom: 4px;
}

.step-list li span {
  color: var(--text-aux);
  font-size: 13px;
  line-height: 1.7;
}

.subscribe-panel {
  position: relative;
  overflow: hidden;
  border-radius: 22px;
  background-color: var(--brand);
  background-image: linear-gradient(115deg, rgba(36, 90, 145, 0.98), rgba(67, 136, 199, 0.92)), url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  padding: 58px 52px;
  color: #fff;
  box-shadow: 0 18px 40px rgba(30, 70, 110, 0.28);
}

.subscribe-panel h2 {
  font-size: 28px;
  line-height: 1.35;
  color: #fff;
}

.subscribe-panel p {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
}

.newsletter-form {
  margin-top: 22px;
}

.email-input-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  background: #fff;
  padding: 6px;
  border-radius: 12px;
  max-width: 540px;
}

.email-input-wrap input[type="email"] {
  flex: 1 1 250px;
  height: 46px;
  border: none;
  background: transparent;
  padding: 0 18px;
  font-size: 14px;
  color: var(--text-heading);
  outline: none;
}

.email-input-wrap input[type="email"]::placeholder {
  color: #9AAEBD;
}

.email-input-wrap .btn-submit {
  height: 46px;
  border-radius: 9px;
  border: none;
  background: var(--brand);
  color: #fff;
  font-weight: 600;
  padding: 0 24px;
  cursor: pointer;
  transition: background .2s ease;
}

.email-input-wrap .btn-submit:hover {
  background: var(--brand-hover);
}

.form-message {
  margin-top: 12px;
  min-height: 24px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.95);
}

.faq-layout {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(30, 70, 110, 0.03);
  transition: box-shadow .25s ease, border-color .25s;
}

.faq-item:hover {
  border-color: #C2D6EA;
  box-shadow: var(--shadow-base);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 22px 26px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-heading);
  user-select: none;
  transition: background .2s ease;
}

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

.faq-item summary:hover {
  background: #F8FBFD;
}

.faq-item summary .faq-icon {
  flex: 0 0 24px;
  text-align: center;
  color: var(--brand);
  transition: rotate .3s ease;
  font-size: 14px;
  margin-left: auto;
}

.faq-item[open] summary .faq-icon {
  rotate: 45deg;
}

.faq-body {
  padding: 4px 60px 24px 26px;
  border-left: 3px solid var(--brand);
  margin: 0 20px 18px 0;
  background: #FBFCFE;
  border-radius: 0 10px 10px 0;
}

.faq-body p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.8;
  padding: 12px 16px 12px 12px;
}

.bottom-cta-wrap {
  text-align: center;
  background: #fff;
  border-top: 1px solid var(--line);
}

.bottom-cta-title {
  font-size: 26px;
  color: var(--text-heading);
  font-weight: 700;
  line-height: 1.4;
}

.bottom-cta-text {
  color: var(--text-aux);
  font-size: 15px;
  margin-top: 12px;
}

.footer {
  background: #182B3B;
  color: #C9D6E3;
  padding-top: 72px;
}

.footer-grid {
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid .cell {
  margin-bottom: 30px;
}

.footer-brand-name {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 20px;
  font-weight: 700;
}

.footer-brand-name .brand-mark {
  flex: 0 0 40px;
}

.footer-desc {
  max-width: 380px;
  font-size: 14px;
  line-height: 1.9;
  margin-top: 18px;
  color: #AEC2D2;
}

.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  color: #EAF2F8;
  font-size: 15px;
  transition: background-color .2s, transform .2s, color .2s;
}

.footer-social a:hover {
  background: var(--brand);
  color: #fff;
  transform: translateY(-2px);
}

.footer-title {
  color: #ffffff;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #AEC2D2;
  font-size: 14px;
  line-height: 1.6;
  transition: color .2s;
}

.footer-links a i {
  font-size: 12px;
  color: #658499;
}

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

.footer-links a:hover i {
  color: var(--accent-orange);
}

.footer-bottom {
  padding: 24px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #89A1B7;
}

.footer-bottom-inner a {
  color: #A8C3DB;
}

.footer-bottom-inner span i {
  color: var(--accent-orange);
}

@media (max-width: 1023px) {
  .page-hero {
    padding: 74px 0 70px;
  }

  .section {
    padding: 80px 0;
  }

  .schedule-row {
    grid-template-columns: 110px 1fr 110px;
  }

  .schedule-status {
    display: none;
  }
}

@media (max-width: 639px) {
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .topbar-inner {
    height: 60px;
  }

  .channel-row {
    min-height: 56px;
  }

  .channel-nav {
    position: relative;
  }

  .channel-inner {
    flex-direction: column;
    align-items: stretch;
    overflow: hidden;
    display: none;
    padding: 14px 0;
  }

  .channel-nav.nav-open {
    box-shadow: 0 10px 16px rgba(30, 70, 110, 0.14);
  }

  .channel-nav.nav-open .channel-inner {
    display: flex;
  }

  .channel-inner .nav-item {
    justify-content: flex-start;
    border-radius: 12px;
  }

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

  .h1-page {
    font-size: 32px;
  }

  .page-hero {
    padding: 58px 0 54px;
  }

  .page-hero-desc {
    font-size: 15px;
  }

  .hero-actions .btn {
    padding: 11px 20px;
  }

  .section {
    padding: 58px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .subscribe-panel {
    padding: 36px 22px;
  }

  .subscribe-panel h2 {
    font-size: 24px;
  }

  .schedule-row {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 18px 22px;
  }

  .schedule-row .t-topic {
    order: 3;
  }

  .schedule-row .schedule-status {
    display: inline-flex;
    justify-self: flex-start;
  }

  .faq-item summary {
    padding: 16px;
  }

  .faq-body {
    padding-left: 16px;
    padding-right: 12px;
    margin-left: 16px;
  }

  .feature-visual img {
    height: 280px;
  }

  .feature-visual-overlay {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

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

/* roulang page: category2 */
:root{
  --bg-body:#F5F8FC;
  --bg-soft:#EAF0F7;
  --bg-blue:#DDEAF5;
  --white:#FFFFFF;
  --primary:#2F6FAC;
  --primary-hover:#245A91;
  --primary-active:#1B476C;
  --gradient-primary:linear-gradient(135deg,#2F6FAC 0%,#4388C7 100%);
  --accent:#F28C3B;
  --title-color:#1E2E3D;
  --body-color:#3C5466;
  --muted:#7C93A5;
  --border:#D8E2EE;
  --shadow-sm:0 2px 8px rgba(30,70,110,.08);
  --shadow-lg:0 12px 28px rgba(30,70,110,.14);
  --radius:14px;
  --radius-lg:20px;
  --radius-sm:8px;
  --transition:all .25s ease;
  --footer-bg:#182B3B;
  --footer-text:#C9D6E3;
}
*,*::before,*::after{
  box-sizing:border-box;
  margin:0;
  padding:0;
}
html{
  scroll-behavior:smooth;
}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg-body);
  color:var(--body-color);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{
  max-width:100%;
  height:auto;
  display:block;
}
a{
  color:var(--primary);
  text-decoration:none;
  transition:var(--transition);
}
a:hover{
  color:var(--primary-hover);
}
ul,ol{
  list-style:none;
}
button,input{
  font-family:inherit;
  border:none;
  outline:none;
}
.grid-container{
  max-width:1200px;
  margin:0 auto;
}
.section-block{
  padding:84px 0;
}

.site-header{
  background:var(--white);
  position:relative;
  z-index:20;
}
.topbar{
  background:var(--white);
  border-bottom:1px solid var(--border);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:72px;
  gap:20px;
}
.brand-logo{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.brand-mark{
  width:46px;
  height:46px;
  border-radius:14px;
  background:var(--gradient-primary);
  color:#fff;
  font-weight:800;
  font-size:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--shadow-sm);
  letter-spacing:-.5px;
  flex:0 0 46px;
}
.brand-name{
  font-size:22px;
  font-weight:800;
  color:var(--title-color);
  letter-spacing:.5px;
  line-height:1.2;
}
.brand-name small{
  display:block;
  font-size:12px;
  font-weight:400;
  color:var(--muted);
  letter-spacing:1px;
  margin-top:2px;
}
.topbar-tools{
  display:flex;
  align-items:center;
  gap:10px;
}
.tool-btn{
  width:40px;
  height:40px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  color:var(--body-color);
  background:var(--white);
  font-size:15px;
  transition:var(--transition);
}
.tool-btn:hover{
  background:var(--bg-blue);
  color:var(--primary);
  transform:translateY(-2px);
}
.lang-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid var(--border);
  background:var(--white);
  font-size:13px;
  color:var(--body-color);
  margin-left:6px;
  cursor:default;
}
.channel-nav{
  background:var(--white);
  border-bottom:1px solid var(--border);
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:62px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{
  display:none;
}
.nav-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  white-space:nowrap;
  padding:11px 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--body-color);
  transition:var(--transition);
  border:1px solid transparent;
}
.nav-item i{
  color:var(--muted);
  font-size:14px;
  transition:var(--transition);
}
.nav-item:hover{
  background:var(--bg-blue);
  color:var(--primary);
  border-color:transparent;
}
.nav-item:hover i{
  color:var(--primary);
}
.nav-item.is-active{
  background:var(--bg-blue);
  color:var(--primary);
  font-weight:700;
  border-color:var(--border);
}
.nav-item.is-active i{
  color:var(--primary);
}

.page-hero{
  position:relative;
  background:linear-gradient(100deg, rgba(255,255,255,.96) 0%, rgba(245,248,252,.92) 55%, rgba(221,234,245,.68) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  min-height:470px;
  display:flex;
  align-items:center;
  padding:84px 0 68px;
  overflow:hidden;
}
.hero-soft{
  position:absolute;
  width:480px;
  height:480px;
  background:radial-gradient(circle, rgba(242,140,59,.08) 0%, rgba(242,140,59,0) 70%);
  right:-160px;
  top:10px;
  pointer-events:none;
}
.breadcrumb-line{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:26px;
}
.breadcrumb-line a{
  color:var(--muted);
}
.breadcrumb-line a:hover{
  color:var(--primary);
}
.breadcrumb-line i{
  color:var(--border);
  font-size:11px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 18px;
  background:var(--bg-blue);
  border:1px solid var(--border);
  color:var(--primary);
  font-size:13px;
  border-radius:999px;
  margin-bottom:18px;
  font-weight:600;
}
.hero-badge i{
  color:var(--accent);
}
.page-hero h1{
  font-size:clamp(34px, 5vw, 48px);
  line-height:1.2;
  font-weight:800;
  color:var(--title-color);
  letter-spacing:1px;
  max-width:800px;
  margin-bottom:20px;
}
.hero-desc{
  font-size:18px;
  color:var(--body-color);
  max-width:660px;
  line-height:1.85;
  margin-bottom:32px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
}
.btn{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:13px 28px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:var(--transition);
  border:1.6px solid transparent;
  min-height:48px;
  justify-content:center;
}
.btn i{
  transition:transform .25s ease;
}
.btn-primary{
  background:var(--gradient-primary);
  color:#fff;
  box-shadow:0 8px 22px rgba(47,111,172,.28);
}
.btn-primary:hover{
  background:var(--primary-hover);
  color:#fff;
  transform:translateY(-3px);
  box-shadow:0 12px 28px rgba(47,111,172,.32);
}
.btn-primary:active{
  transform:translateY(0);
  background:var(--primary-active);
}
.btn-outline{
  background:var(--white);
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline:hover{
  background:var(--bg-blue);
  color:var(--primary);
  transform:translateY(-3px);
}
.btn:focus-visible,.tool-btn:focus-visible{
  outline:3px solid rgba(47,111,172,.35);
  outline-offset:2px;
}
.hero-note{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-top:28px;
  flex-wrap:wrap;
}
.hero-note i{
  color:var(--accent);
}

.section-tagline{
  text-align:center;
  margin-bottom:56px;
}
.section-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--primary);
  background:var(--bg-blue);
  padding:6px 16px;
  border-radius:999px;
  letter-spacing:1px;
  font-weight:600;
  margin-bottom:18px;
}
.section-tagline h2{
  font-size:clamp(26px, 4vw, 36px);
  line-height:1.35;
  color:var(--title-color);
  font-weight:800;
  letter-spacing:.5px;
}
.section-tagline p{
  max-width:660px;
  margin:14px auto 0;
  color:var(--muted);
  font-size:16px;
}

.feature-card{
  background:var(--white);
  border-radius:var(--radius);
  padding:34px 28px 30px;
  height:100%;
  position:relative;
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
  align-items:flex-start;
}
.feature-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  height:4px;
  width:0;
  background:var(--accent);
  transition:var(--transition);
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.feature-card:hover::before{
  width:100%;
}
.icon-box{
  width:54px;
  height:54px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  background:var(--bg-blue);
  color:var(--primary);
  margin-bottom:22px;
  transition:var(--transition);
}
.feature-card:hover .icon-box{
  background:var(--gradient-primary);
  color:#fff;
  transform:rotate(-4deg) scale(1.05);
}
.feature-card h3{
  font-size:19px;
  color:var(--title-color);
  font-weight:700;
  margin-bottom:12px;
}
.feature-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  flex:1;
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
  margin-top:20px;
}
.card-link i{
  transition:transform .2s ease;
}
.card-link:hover i{
  transform:translateX(4px);
}
.card-track{
  position:absolute;
  right:24px;
  top:24px;
  font-size:34px;
  font-weight:800;
  color:var(--bg-blue);
  line-height:1;
  opacity:.5;
}

.resource-section{
  background:var(--bg-body);
}
.resource-grid .card{
  background:var(--white);
  border-radius:var(--radius);
  overflow:hidden;
  height:100%;
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  display:flex;
  flex-direction:column;
}
.resource-grid .card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-lg);
}
.media-wrapper{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
}
.media-wrapper img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.resource-grid .card:hover .media-wrapper img{
  transform:scale(1.06);
}
.media-pill{
  position:absolute;
  left:16px;
  top:16px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(6px);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  padding:6px 14px;
  box-shadow:var(--shadow-sm);
}
.media-pill i{
  color:var(--accent);
}
.card-content{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  flex:1;
}
.card-content h3{
  font-size:18px;
  color:var(--title-color);
  font-weight:700;
  line-height:1.55;
  margin-bottom:10px;
}
.card-content p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  flex:1;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid var(--bg-soft);
}
.card-meta span{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:13px;
  color:var(--muted);
}
.card-meta span i{
  color:var(--primary);
}
.text-arrow{
  color:var(--primary);
  font-size:14px;
  font-weight:600;
}
.text-arrow i{
  transition:transform .2s ease;
}
.text-arrow:hover i{
  transform:translateX(4px);
}

.process-wrap{
  background:linear-gradient(180deg,var(--bg-soft) 0%, var(--bg-body) 100%);
}
.flow-list{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  counter-reset:flow;
}
.flow-step{
  position:relative;
  background:var(--white);
  border-radius:var(--radius);
  padding:30px 26px;
  box-shadow:var(--shadow-sm);
  border:1px solid rgba(216,226,238,.5);
  transition:var(--transition);
}
.flow-step:hover{
  box-shadow:var(--shadow-lg);
  transform:translateY(-4px);
}
.flow-step::before{
  counter-increment:flow;
  content:counter(flow, decimal-leading-zero);
  font-size:30px;
  font-weight:800;
  color:rgba(47,111,172,.12);
  position:absolute;
  right:20px;
  top:14px;
  line-height:1;
}
.flow-icon{
  width:64px;
  height:64px;
  border-radius:20px;
  background:var(--bg-blue);
  color:var(--primary);
  font-size:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:22px;
}
.flow-step h3{
  font-size:17px;
  color:var(--title-color);
  font-weight:700;
  margin-bottom:12px;
}
.flow-step p{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
}
.flow-step .step-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:13px;
  font-weight:600;
  color:var(--primary);
}
.step-link i{
  transition:transform .2s ease;
}
.step-link:hover i{
  transform:translateX(4px);
}

.benefit-wrap{
  position:relative;
  background:linear-gradient(90deg, rgba(255,255,255,.95) 0%, rgba(221,234,245,.82) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow:hidden;
}
.benefit-card{
  background:var(--white);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:38px 34px;
  height:100%;
}
.benefit-card h3{
  font-size:19px;
  color:var(--title-color);
  font-weight:700;
  margin-bottom:14px;
}
.benefit-card p{
  font-size:14px;
  color:var(--muted);
  line-height:1.85;
}
.benefit-list{
  margin-top:20px;
}
.benefit-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:14px;
  color:var(--body-color);
  padding:10px 0;
  border-bottom:1px dashed var(--border);
}
.benefit-list li:last-child{
  border-bottom:none;
}
.benefit-list li i{
  color:var(--primary);
  background:var(--bg-blue);
  width:24px;
  height:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  font-size:12px;
  flex:0 0 24px;
  margin-top:3px;
}

.faq-area{
  background:var(--white);
}
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  border:1px solid rgba(216,226,238,.8);
  border-radius:16px;
  margin-bottom:14px;
  background:var(--bg-body);
  transition:var(--transition);
  overflow:hidden;
}
.faq-item:hover{
  border-color:var(--primary);
  background:var(--white);
}
.faq-item details{
  border-left:4px solid transparent;
  transition:var(--transition);
}
.faq-item details[open]{
  border-left-color:var(--primary);
  background:var(--white);
}
.faq-item summary{
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  font-size:15px;
  font-weight:600;
  color:var(--title-color);
  padding:22px 24px;
  cursor:pointer;
  transition:var(--transition);
}
.faq-item summary::-webkit-details-marker{
  display:none;
}
.faq-item summary i{
  color:var(--primary);
  font-size:14px;
  flex:0 0 auto;
  transition:transform .25s ease;
}
.faq-item details[open] summary i{
  transform:rotate(45deg);
}
.faq-ans{
  padding:0 24px 24px;
}
.faq-ans p{
  font-size:14px;
  line-height:1.85;
  color:var(--body-color);
  border-left:2px solid var(--bg-blue);
  padding-left:16px;
}

.cta-section{
  background:var(--gradient-primary);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  width:600px;
  height:600px;
  border:52px solid rgba(255,255,255,.08);
  border-radius:50%;
  right:-220px;
  top:-280px;
}
.cta-section::after{
  content:"";
  position:absolute;
  width:280px;
  height:280px;
  border:32px solid rgba(255,255,255,.06);
  border-radius:50%;
  left:-120px;
  bottom:-160px;
}
.cta-grid{
  position:relative;
  z-index:2;
}
.cta-copy h2{
  color:#fff;
  font-size:clamp(24px, 4vw, 32px);
  line-height:1.45;
  font-weight:800;
  margin-bottom:14px;
}
.cta-copy p{
  color:rgba(255,255,255,.9);
  font-size:15px;
  line-height:1.8;
  max-width:520px;
}
.subscribe-box{
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  border-radius:26px;
  padding:28px;
  backdrop-filter:blur(8px);
}
.subscribe-box form{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.subscribe-input{
  background:#fff;
  border-radius:14px;
  padding:0 60px 0 48px;
  height:60px;
  width:100%;
  color:var(--title-color);
  font-size:15px;
  border:2px solid transparent;
  transition:var(--transition);
  box-shadow:0 6px 16px rgba(0,0,0,.06);
}
.subscribe-input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(242,140,59,.22);
}
.input-inner{
  position:relative;
}
.input-inner i{
  position:absolute;
  left:18px;
  top:50%;
  transform:translateY(-50%);
  color:var(--muted);
  z-index:2;
}
.subscribe-box .btn-white{
  width:100%;
  background:#fff;
  color:var(--primary);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 8px 18px rgba(0,0,0,.06);
}
.subscribe-box .btn-white:hover{
  background:var(--bg-blue);
  transform:translateY(-2px);
}
.subscribe-tips{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:16px;
  color:rgba(255,255,255,.78);
  font-size:13px;
}
.subscribe-tips span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.subscribe-tips i{
  color:#fff;
}

.footer{
  background:var(--footer-bg);
  color:var(--footer-text);
  padding:64px 0 30px;
}
.footer-brand-name{
  color:#fff;
  font-size:22px;
  font-weight:800;
  font-family:inherit;
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:16px;
}
.brand-mark.dark{
  background:linear-gradient(135deg,#214B6B,#2F6FAC);
  color:#fff;
  flex:0 0 40px;
  width:40px;
  height:40px;
  border-radius:10px;
  font-size:13px;
  display:flex;
  justify-content:center;
  align-items:center;
}
.footer-desc{
  color:var(--footer-text);
  font-size:14px;
  line-height:1.9;
  margin-bottom:22px;
  max-width:400px;
}
.footer-social{
  display:flex;
  gap:12px;
}
.footer-social a{
  display:flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.08);
  color:var(--footer-text);
  font-size:15px;
  transition:var(--transition);
}
.footer-social a:hover{
  background:var(--primary);
  color:#fff;
  transform:translateY(-3px);
  border-color:var(--primary);
}
.footer-grid{
  row-gap:30px;
}
.footer-title{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
  letter-spacing:.5px;
  position:relative;
  padding-bottom:8px;
}
.footer-title::after{
  content:"";
  position:absolute;
  bottom:0;
  left:0;
  width:24px;
  height:2px;
  background:var(--primary);
  border-radius:2px;
}
.footer-links li{
  margin-bottom:9px;
}
.footer-links a{
  color:var(--footer-text);
  font-size:14px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:var(--transition);
}
.footer-links a i{
  font-size:11px;
  color:rgba(255,255,255,.35);
  transition:var(--transition);
}
.footer-links a:hover{
  color:#fff;
  transform:translateX(4px);
}
.footer-links a:hover i{
  color:var(--accent);
}
.footer-line{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:42px;
  padding-top:24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  color:var(--footer-text);
  font-size:13px;
}
.footer-line a{
  color:var(--footer-text);
}
.footer-line a:hover{
  color:#fff;
}
.footer-meta a{
  margin-left:6px;
}

@media screen and (max-width: 1023px){
  .flow-list{
    grid-template-columns:repeat(2,1fr);
  }
  .channel-inner{
    gap:4px;
  }
  .nav-item{
    padding:10px 18px;
  }
}
@media screen and (max-width: 639px){
  .topbar-inner{
    height:64px;
  }
  .brand-mark{
    width:40px;
    height:40px;
    flex:0 0 40px;
    font-size:14px;
    border-radius:12px;
  }
  .brand-name{
    font-size:18px;
    letter-spacing:0;
  }
  .lang-pill{
    display:none;
  }
  .channel-inner{
    scroll-snap-type:x proximity;
  }
  .nav-item{
    scroll-snap-align:start;
  }
  .page-hero{
    padding:44px 0 44px;
    min-height:400px;
  }
  .hero-badge{
    font-size:12px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:stretch;
  }
  .btn{
    width:100%;
  }
  .section-block{
    padding:56px 0;
  }
  .flow-list{
    grid-template-columns:1fr;
    gap:16px;
  }
  .hero-desc{
    font-size:16px;
  }
  .cta-copy{
    margin-bottom:24px;
  }
  .footer-line{
    flex-direction:column;
  }
  .benefit-card{
    padding:26px 24px;
  }
  .tool-btn{
    width:36px;
    height:36px;
  }
}

/* roulang page: category3 */
:root {
            --primary: #2F6FAC;
            --primary-dark: #245A91;
            --primary-active: #1B476C;
            --primary-light: #4388C7;
            --primary-soft: #DDEAF5;
            --accent: #F28C3B;
            --accent-soft: #FDF1E4;
            --page-bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --section-bg: #EAF0F7;
            --secondary-bg: #EAF0F7;
            --title-color: #1E2E3D;
            --body-color: #3C5466;
            --muted-color: #7C93A5;
            --line-color: #D8E2EE;
            --white: #FFFFFF;
            --green: #2E9E6B;
            --danger: #D9534F;
            --shadow-sm: 0 2px 8px rgba(30, 70, 110, 0.08);
            --shadow-md: 0 12px 28px rgba(30, 70, 110, 0.14);
            --radius-lg: 12px;
            --radius-sm: 6px;
            --radius-pill: 999px;
            --container: 1200px;
            --transition: all 0.2s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--page-bg);
            color: var(--body-color);
            font-size: 16px;
            line-height: 1.7;
            text-rendering: optimizeLegibility;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        :focus-visible {
            outline: 3px solid rgba(47, 111, 172, 0.32);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .grid-container {
            max-width: var(--container);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
            width: 100%;
        }

        .section {
            padding: 88px 0;
        }

        .section-tight {
            padding: 64px 0;
        }

        .section-alt {
            background: var(--section-bg);
        }

        .section-head {
            max-width: 760px;
            margin: 0 auto 46px;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: var(--radius-pill);
            padding: 5px 16px;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--title-color);
            margin: 0 0 14px;
        }

        .section-sub {
            font-size: 16px;
            color: var(--muted-color);
            line-height: 1.8;
            margin: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1;
            min-height: 44px;
            padding: 12px 24px;
            border: 1.5px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            background: transparent;
            color: inherit;
        }

        .btn i {
            font-size: 14px;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }
        .btn-primary:active {
            background: var(--primary-active);
            transform: translateY(0);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            border-color: rgba(255, 255, 255, 0.65);
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            background: var(--primary-soft);
            color: var(--primary-dark);
            border-color: var(--primary-soft);
            transform: translateY(-2px);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
        }
        .btn-light:hover {
            background: var(--primary-soft);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .link-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            text-decoration: none;
        }
        .link-arrow i {
            transition: transform 0.2s ease;
        }
        .link-arrow:hover {
            color: var(--primary-dark);
        }
        .link-arrow:hover i {
            transform: translateX(3px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            border-radius: var(--radius-pill);
            padding: 4px 13px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-soft);
        }
        .badge-accent {
            color: #b45a16;
            background: var(--accent-soft);
        }
        .badge-success {
            color: #1e7a52;
            background: #E4F5EC;
        }
        .badge-dark {
            color: #3C5466;
            background: #EDF2F7;
        }

        /* ===== 头部 ===== */
        .site-header {
            background: #fff;
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .brand-bar {
            border-bottom: 1px solid var(--line-color);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .brand-mark {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            border-radius: 11px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1;
            flex: 0 0 44px;
        }

        .brand-name {
            font-size: 21px;
            font-weight: 800;
            color: var(--title-color);
            letter-spacing: 0.02em;
            line-height: 1.25;
        }

        .brand-tools {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
        }

        .brand-mini {
            width: 38px;
            height: 38px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .brand-mini i {
            font-size: 16px;
        }

        .channel-bar {
            background: #fff;
            border-bottom: 1px solid var(--line-color);
        }

        .channel-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 52px;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            white-space: nowrap;
        }
        .channel-nav::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--body-color);
            font-size: 15px;
            font-weight: 500;
            padding: 12px 10px;
            border-bottom: 3px solid transparent;
            transition: background 0.2s ease, color 0.2s ease;
            text-decoration: none;
        }
        .nav-item i {
            color: var(--muted-color);
            font-size: 14px;
            transition: color 0.2s ease;
        }
        .nav-item:hover {
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 8px 8px 0 0;
        }
        .nav-item:hover i {
            color: var(--primary);
        }
        .nav-item.is-active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
            border-radius: 0;
            background: transparent;
        }
        .nav-item.is-active i {
            color: var(--primary);
        }

        .menu-toggle {
            display: none;
            align-items: center;
            gap: 6px;
            background: var(--primary-soft);
            color: var(--primary);
            border: 0;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            cursor: pointer;
        }

        /* ===== 首页 Hero ===== */
        .category-hero {
            position: relative;
            overflow: hidden;
            background: #F0F5FA;
            padding: 108px 0 88px;
        }

        .hero-backdrop {
            position: absolute;
            inset: 0;
            background: url("/assets/images/backpic/back-1.png") center center / cover no-repeat;
        }
        .hero-backdrop::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(245, 248, 252, 0.98) 0%, rgba(245, 248, 252, 0.82) 36%, rgba(245, 248, 252, 0.32) 100%);
        }

        .category-hero-inner {
            position: relative;
            z-index: 2;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.86);
            border: 1px solid rgba(216, 226, 238, 0.9);
            box-shadow: var(--shadow-sm);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--title-color);
            margin: 0 0 18px;
            max-width: 680px;
            letter-spacing: -0.02em;
        }
        .hero-title .accent-text {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 18px;
            line-height: 1.8;
            color: var(--body-color);
            max-width: 620px;
            margin: 0 0 34px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 44px;
        }

        .hero-meta {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
            max-width: 760px;
            margin-top: 12px;
        }
        .hero-meta-item {
            background: rgba(255, 255, 255, 0.78);
            border: 1px solid rgba(216, 226, 238, 0.8);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 12px;
            backdrop-filter: blur(4px);
        }
        .hero-meta-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            flex: 0 0 36px;
        }
        .hero-meta-item h3 {
            font-size: 14px;
            margin: 0 0 2px;
            color: var(--title-color);
            font-weight: 700;
        }
        .hero-meta-item p {
            font-size: 12px;
            margin: 0;
            color: var(--muted-color);
            line-height: 1.5;
        }

        /* ===== 图文内容区块 ===== */
        .split-block {
            display: flex;
            align-items: center;
            gap: 56px;
        }
        .split-reverse {
            flex-direction: row-reverse;
        }
        .split-media {
            flex: 1 1 46%;
            min-width: 0;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .split-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
        }
        .split-content {
            flex: 1 1 54%;
        }
        .split-content h2 {
            font-size: 30px;
            margin: 0 0 16px;
            color: var(--title-color);
            line-height: 1.3;
        }
        .split-content p {
            font-size: 16px;
            color: var(--body-color);
            margin: 0 0 16px;
            line-height: 1.8;
        }

        .mini-list {
            list-style: none;
            margin: 8px 0 22px;
            padding: 0;
            display: grid;
            gap: 10px;
            max-width: 500px;
        }
        .mini-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            background: rgba(255, 255, 255, 0.7);
            border-radius: 10px;
            padding: 12px 14px;
            color: var(--title-color);
            font-size: 14px;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .mini-list li:hover {
            border-color: var(--line-color);
            box-shadow: var(--shadow-sm);
            background: #fff;
        }
        .mini-list li i {
            color: var(--primary);
            margin-top: 3px;
            width: 16px;
            height: 16px;
            font-size: 14px;
            flex: 0 0 16px;
        }

        /* ===== 卡片通用 ===== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            height: 100%;
            padding: 30px 24px;
            transition: var(--transition);
            border: 1px solid transparent;
            position: relative;
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--line-color);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-soft);
            color: var(--primary);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }
        .feature-icon.accent {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 18px;
            margin: 0 0 8px;
            color: var(--title-color);
            font-weight: 700;
            line-height: 1.35;
        }
        .feature-card p {
            margin: 0 0 18px;
            color: var(--muted-color);
            font-size: 14px;
            line-height: 1.75;
        }

        .article-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--line-color);
        }
        .article-cover {
            overflow: hidden;
            height: 184px;
            background: var(--primary-soft);
            flex: 0 0 184px;
        }
        .article-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .article-card:hover .article-cover img {
            transform: scale(1.05);
        }
        .article-body {
            padding: 22px 22px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-tags {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .article-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--title-color);
            line-height: 1.4;
            margin: 0 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-summary {
            font-size: 14px;
            color: var(--muted-color);
            margin: 0 0 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .article-meta {
            border-top: 1px solid var(--line-color);
            padding-top: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 8px;
            margin-top: auto;
        }
        .article-date {
            color: var(--muted-color);
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* ===== 福利动态资讯 ===== */
        .update-wrap {
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            padding: 40px;
            margin-top: 30px;
        }
        .update-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            border-bottom: 1px solid var(--line-color);
            padding-bottom: 16px;
            margin-bottom: 26px;
        }
        .update-head h3 {
            margin: 0;
            font-size: 20px;
            color: var(--title-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .update-head a {
            font-size: 14px;
            font-weight: 600;
        }
        .update-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: grid;
            gap: 6px;
        }
        .update-list li {
            border-radius: 10px;
            transition: background 0.2s ease, border-color 0.2s ease;
            border: 1px solid transparent;
        }
        .update-list li:hover {
            background: var(--primary-soft);
            border-color: var(--line-color);
        }
        .update-list a {
            display: flex;
            align-items: center;
            gap: 13px;
            color: var(--title-color);
            font-size: 14px;
            padding: 12px 12px;
            border-radius: 10px;
            text-decoration: none;
        }
        .update-list .up-tag {
            flex: 0 0 auto;
        }
        .update-list .up-title {
            flex: 1;
            min-width: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .update-list .up-date {
            font-size: 13px;
            color: var(--muted-color);
            flex: 0 0 auto;
        }

        /* ===== 数据横幅 ===== */
        .stat-band {
            background: #182B3B;
            position: relative;
            overflow: hidden;
            padding: 60px 0;
        }
        .stat-band::before {
            content: "";
            position: absolute;
            right: -60px;
            bottom: -100px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(47, 111, 172, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            position: relative;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }
        .stat-item .num {
            font-size: 30px;
            color: #fff;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .label {
            color: #AFC3D4;
            font-size: 14px;
        }
        .stat-item i {
            color: var(--primary-light);
            font-size: 24px;
            margin-bottom: 10px;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            position: relative;
            border: 1px solid var(--line-color);
            height: 100%;
            transition: var(--transition);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 9px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            margin-bottom: 16px;
        }
        .step-num.accent {
            background: var(--accent);
        }
        .step-card h3 {
            font-size: 16px;
            color: var(--title-color);
            margin: 0 0 8px;
            line-height: 1.4;
        }
        .step-card p {
            font-size: 13px;
            color: var(--muted-color);
            margin: 0;
        }

        /* ===== 提示条 ===== */
        .notice-bar {
            background: var(--accent-soft);
            border: 1px solid #f5dbbf;
            border-radius: var(--radius-lg);
            padding: 18px 22px;
            display: flex;
            gap: 12px;
            align-items: center;
            color: #8A4A12;
            font-size: 14px;
            line-height: 1.8;
            margin-top: 32px;
        }
        .notice-bar i {
            flex: 0 0 auto;
            font-size: 22px;
        }

        /* ===== FAQ ===== */
        .faq-panel {
            background: #fff;
            border: 1px solid var(--line-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            margin: 0 auto;
            max-width: 880px;
        }
        .faq-item {
            border-bottom: 1px solid var(--line-color);
        }
        .faq-item:last-child {
            border-bottom: 0;
        }
        .faq-item summary {
            list-style: none;
            cursor: pointer;
            padding: 22px 32px;
            font-size: 16px;
            font-weight: 600;
            color: var(--title-color);
            position: relative;
            display: flex;
            gap: 14px;
            align-items: center;
            transition: background 0.2s ease;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary:hover {
            background: #F7FAFD;
        }
        .faq-item summary .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-soft);
            color: var(--primary);
            flex: 0 0 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            transition: transform 0.2s ease;
        }
        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--primary);
            color: #fff;
        }
        .faq-answer {
            padding: 4px 80px 24px 32px;
            font-size: 14px;
            color: var(--body-color);
            line-height: 1.8;
            border-left: 3px solid var(--primary);
            margin-left: 32px;
            margin-right: 32px;
            margin-bottom: 22px;
            background: #F8FAFD;
            border-radius: 0 10px 10px 0;
        }
        .faq-answer p {
            margin: 8px 0;
        }

        /* ===== CTA 订阅区 ===== */
        .cta-sub {
            position: relative;
            background: var(--primary);
            overflow: hidden;
            padding: 76px 0;
            border-radius: 24px;
        }
        .cta-sub::after {
            content: "";
            position: absolute;
            top: -120px;
            right: -40px;
            width: 300px;
            height: 300px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 50%;
            background: none;
        }
        .cta-box {
            position: relative;
            z-index: 2;
        }
        .cta-box .section-title {
            color: #fff;
        }
        .cta-box p {
            color: #DCE8F3;
            line-height: 2;
            max-width: 620px;
            margin: 0 auto 30px;
        }
        .cta-cols {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 50px;
        }
        .cta-left {
            flex: 1;
        }
        .cta-right {
            flex: 0 0 420px;
        }
        .cta-box .btn-light {
            margin-right: 12px;
        }
        .cta-subscribe-title {
            color: #fff;
            font-size: 30px;
            margin: 0 0 12px;
        }
        .cta-subscribe-sub {
            color: #dce8f3;
            font-size: 15px;
        }
        .email-form {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 8px 8px 18px;
            box-shadow: 0 8px 24px rgba(16, 42, 67, 0.15);
            margin-top: 30px;
        }
        .email-form input {
            border: 0;
            background: transparent;
            height: 42px;
            outline: none;
            font-size: 14px;
            color: var(--title-color);
            flex: 1;
            min-width: 0;
        }
        .email-form input::placeholder {
            color: #9AABB8;
        }
        .email-form .btn {
            height: 46px;
            border-radius: var(--radius-sm);
            flex: 0 0 auto;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #182B3B;
            color: #C9D6E3;
            margin-top: 80px;
            padding-bottom: 30px;
        }
        .footer-grid {
            padding: 54px 0 32px;
            gap: 12px;
        }
        .footer-brand-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }
        .brand-mark-footer {
            background: var(--primary);
            color: #fff;
            border-radius: 9px;
            font-weight: 800;
            font-size: 13px;
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-right: 10px;
        }
        .footer-desc {
            color: #9FB1C0;
            font-size: 14px;
            line-height: 2;
            margin: 0 0 18px;
            max-width: 420px;
        }
        .footer-social {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-social a {
            width: 36px;
            height: 36px;
            background: rgba(255, 255, 255, 0.08);
            color: #C9D6E3;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 9px;
            font-size: 15px;
            text-decoration: none;
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
        }

        .footer-title {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
            margin-top: 6px;
        }
        .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #9FB1C0;
            font-size: 14px;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a i {
            font-size: 13px;
            color: #6C8497;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-links a:hover i {
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid #2A4454;
            padding-top: 22px;
            text-align: center;
            font-size: 13px;
            color: #7F97A8;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1023px) {
            .channel-row {
                padding-top: 6px;
                padding-bottom: 6px;
            }
            .channel-nav {
                gap: 2px;
            }
            .nav-item {
                padding-left: 8px;
                padding-right: 8px;
                font-size: 14px;
                white-space: nowrap;
            }

            .category-hero {
                padding: 68px 0 56px;
            }
            .hero-title {
                font-size: 36px;
            }
            .hero-meta {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-main-inner {
                flex-direction: column;
            }
            .cta-left,
            .cta-right {
                max-width: 100%;
                flex: auto;
            }
            .split-block {
                flex-direction: column;
                gap: 28px;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media screen and (max-width: 767px) {
            .section {
                padding: 56px 0;
            }
            .section-title,
            .split-content h2 {
                font-size: 26px;
            }

            .brand-row {
                min-height: 60px;
            }
            .brand-name {
                font-size: 17px;
            }
            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 9px;
                font-size: 13px;
                flex: 0 0 38px;
            }
            .brand-tools .header-cta span {
                display: none;
            }

            .channel-row {
                flex-direction: row-reverse;
            }

            .channel-nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                box-shadow: var(--shadow-md);
                flex-direction: column;
                align-items: stretch;
                padding: 14px 20px 20px;
                gap: 2px;
                border-bottom: 1px solid var(--line-color);
                border-radius: 0 0 14px 14px;
            }
            .channel-nav.nav-open {
                display: flex;
            }
            .nav-item {
                padding: 12px 16px;
                border-radius: 8px;
                border-left: 3px solid transparent;
                font-size: 15px;
            }
            .nav-item:hover {
                background: var(--primary-soft);
                border-radius: 8px;
            }
            .nav-item.is-active {
                background: var(--primary-soft);
                color: var(--primary-dark);
                border-left-color: var(--primary);
                border-bottom-color: transparent;
                border-radius: 8px;
            }
            .menu-toggle {
                display: inline-flex;
            }

            .category-hero {
                padding: 48px 0 44px;
            }
            .hero-backdrop::after {
                background: rgba(245, 248, 252, 0.91);
            }
            .hero-title {
                font-size: 29px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-meta {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }

            .section-head {
                margin-bottom: 28px;
            }

            .article-cover {
                height: 160px;
                flex-basis: 160px;
            }

            .update-wrap {
                padding: 20px 16px;
            }
            .update-head {
                align-items: flex-start;
                flex-direction: column;
                gap: 8px;
            }
            .update-list a {
                flex-direction: column;
                align-items: flex-start;
                gap: 5px;
            }
            .update-list .up-date {
                padding-left: 2px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .step-card {
                padding: 18px 14px;
            }

            .stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-item {
                padding: 16px;
            }

            .cta-sub {
                padding: 48px 0;
            }
            .cta-cols {
                flex-direction: column;
                gap: 30px;
            }
            .cta-right {
                width: 100%;
                flex: auto;
            }
            .cta-box .btn-light {
                margin: 0 0 10px;
            }
            .email-form {
                flex-direction: column;
                background: transparent;
                padding: 0;
                box-shadow: none;
            }
            .email-form input {
                background: #fff;
                border-radius: var(--radius-sm);
                height: 46px;
                margin-bottom: 8px;
            }
            .email-form input:focus {
                border: 2px solid var(--primary);
                box-shadow: 0 0 0 3px rgba(47, 111, 172, 0.15);
                outline: none;
                padding: 0 14px;
            }
            .email-form .btn-light {
                background: var(--accent);
                color: #fff;
                border: 0;
            }

            .footer-grid {
                padding: 42px 0 20px;
            }
            .footer-title {
                margin-top: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                align-items: center;
                text-align: center;
                font-size: 12px;
            }

            .faq-item summary {
                padding: 16px 14px 16px 16px;
                font-size: 15px;
            }
            .faq-answer {
                margin-left: 14px;
                margin-right: 14px;
                padding: 8px 14px 16px;
            }

            .notice-bar {
                align-items: flex-start;
                padding: 14px;
                font-size: 13px;
            }
        }

        @media screen and (max-width: 520px) {
            .grid-margin-x {
                margin-left: -8px;
                margin-right: -8px;
            }
            .grid-margin-x > .cell {
                margin: 0 8px 16px;
            }
            .split-media {
                border-radius: 12px;
            }
            .stat-item .num {
                font-size: 24px;
            }
            .step-card h3 {
                font-size: 15px;
            }
            .update-wrap {
                margin-top: 18px;
            }
        }

/* roulang page: category4 */
:root {
    --primary: #2F6FAC;
    --primary-dark: #245A91;
    --primary-deep: #1B476C;
    --primary-light: #4388C7;
    --primary-soft: #DDEAF5;
    --accent: #F28C3B;
    --success: #2E9E6B;
    --danger: #D9534F;
    --body-bg: #F5F8FC;
    --card-bg: #FFFFFF;
    --section-alt: #EAF0F7;
    --text-title: #1E2E3D;
    --text-body: #3C5466;
    --text-muted: #7C93A5;
    --border: #D8E2EE;
    --shadow-sm: 0 2px 8px rgba(30, 70, 110, 0.08);
    --shadow-md: 0 12px 28px rgba(30, 70, 110, 0.14);
    --radius-card: 12px;
    --radius-btn: 6px;
    --font-stack: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --space-block: 96px;
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font-stack);
    background: var(--body-bg);
    color: var(--text-body);
    line-height: 1.75;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    height: auto;
    display: inline-block;
    vertical-align: middle;
  }

  a {
    color: var(--primary);
    text-decoration: none;
    transition: color .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  }

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

  p,
  ul,
  ol,
  dl,
  figure,
  blockquote {
    margin: 0 0 1.2rem;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    color: var(--text-title);
    font-weight: 700;
    margin: 0 0 .7rem;
    line-height: 1.3;
  }

  h1 {
    font-size: 32px;
  }

  h2 {
    font-size: 28px;
  }

  h3 {
    font-size: 18px;
  }

  button,
  input,
  select,
  textarea {
    font-family: inherit;
    font-size: 100%;
  }

  a:focus-visible,
  button:focus-visible,
  input:focus-visible,
  details:focus-visible,
  summary:focus-visible {
    outline: 3px solid rgba(47, 111, 172, .3);
    outline-offset: 2px;
    border-radius: 6px;
  }

  .grid-container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
  }

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

  .section-alt {
    background: var(--section-alt);
  }

  .section-head {
    max-width: 780px;
    margin-bottom: 40px;
  }

  .section-title {
    margin-bottom: 12px;
    letter-spacing: .5px;
  }

  .section-sub {
    color: var(--text-muted);
    font-size: 15px;
    margin-bottom: 0;
  }

  .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-size: 13px;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
    letter-spacing: .5px;
  }

  .eyebrow i {
    font-size: 12px;
  }

  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    border-radius: var(--radius-btn);
    border: 1.5px solid transparent;
    cursor: pointer;
    line-height: 1.4;
    transition: all .2s ease;
    text-align: center;
  }

  .btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(47, 111, 172, .2);
  }

  .btn-primary:hover {
    background: var(--primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(47, 111, 172, .28);
  }

  .btn-primary:active {
    background: var(--primary-deep);
    transform: translateY(0);
  }

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

  .btn-secondary:hover {
    background: var(--primary-soft);
    border-color: var(--primary-dark);
    color: var(--primary-dark);
    transform: translateY(-2px);
  }

  .btn-white {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(15, 45, 80, .16);
  }

  .btn-white:hover {
    background: #F0F5FA;
    color: var(--primary-dark);
    transform: translateY(-2px);
  }

  .arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 14px;
  }

  .arrow-link i {
    transition: transform .2s ease;
    font-size: 13px;
  }

  .arrow-link:hover i {
    transform: translateX(3px);
  }

  .card-hover {
    border-radius: var(--radius-card);
    background: var(--card-bg);
    box-shadow: var(--shadow-sm);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    height: 100%;
  }

  .card-hover:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }

  .badge {
    display: inline-flex;
    align-items: center;
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 5px 14px;
    font-size: 13px;
    font-weight: 600;
  }

  .accent-tag {
    background: rgba(242, 140, 59, .12);
    color: #C76A1A;
  }

  .product-tag {
    background: rgba(46, 158, 107, .12);
    color: #21764F;
  }

  /*** Header ***/
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    box-shadow: 0 1px 0 rgba(30, 70, 110, .08);
  }

  .header-top {
    background: #fff;
    padding: 14px 0 12px;
  }

  .header-lockup {
    display: inline-flex;
    align-items: center;
    gap: 12px;
  }

  .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #2F6FAC 0%, #4388C7 100%);
    color: #fff;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .5px;
    flex: 0 0 auto;
  }

  .brand-text {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-title);
    letter-spacing: .5px;
    white-space: nowrap;
  }

  .brand-text small {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-muted);
    letter-spacing: 1.5px;
  }

  .header-side {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    gap: 14px;
  }

  .header-side .btn {
    padding: 9px 22px;
    font-size: 14px;
  }

  .header-side .btn i {
    font-size: 13px;
  }

  .header-channels {
    background: #fff;
    border-top: 1px solid rgba(216, 226, 238, .6);
  }

  .channel-inner {
    display: flex;
    align-items: center;
    gap: 4px;
    overflow-x: auto;
    padding: 6px 0;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }

  .channel-inner::-webkit-scrollbar {
    display: none;
  }

  .nav-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    border-radius: 999px;
    color: var(--text-body);
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease;
    flex: 0 0 auto;
  }

  .nav-item i {
    color: var(--primary);
    font-size: 13px;
  }

  .nav-item:hover {
    background: var(--primary-soft);
    color: var(--primary-dark);
  }

  .nav-item.is-active {
    background: var(--primary-soft);
    color: var(--primary-dark);
    font-weight: 700;
  }

  .nav-item.is-active i {
    color: var(--primary);
  }

  /*** Category Banner ***/
  .cat-banner {
    background: linear-gradient(120deg, rgba(245, 248, 252, .92) 0%, rgba(245, 248, 252, .68) 50%, rgba(221, 234, 245, .55) 100%), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
    background-color: var(--section-alt);
    padding: 84px 0 72px;
    border-bottom: 1px solid rgba(216, 226, 238, .45);
  }

  .crumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 18px;
  }

  .crumb a {
    color: var(--text-muted);
  }

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

  .crumb i {
    font-size: 10px;
    color: var(--text-muted);
  }

  .cat-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(47, 111, 172, .1);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 7px 16px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 18px;
  }

  .cat-badge i {
    font-size: 12px;
  }

  .cat-title {
    margin: 0 0 16px;
    font-size: 40px;
    letter-spacing: 1px;
  }

  .cat-lead {
    max-width: 780px;
    font-size: 16px;
    color: var(--text-body);
    margin: 0;
  }

  /*** Feature Cards ***/
  .feature-card {
    padding: 30px 26px;
    border-radius: var(--radius-card);
    background: #fff;
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    border: 1px solid rgba(216, 226, 238, .3);
    display: flex;
    flex-direction: column;
  }

  .feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: transparent;
  }

  .feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--primary-soft);
    color: var(--primary);
    font-size: 22px;
    margin-bottom: 18px;
    flex: 0 0 auto;
  }

  .feature-card h3 {
    margin-bottom: 10px;
  }

  .feature-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.75;
    margin-bottom: 0;
    flex: 1 1 auto;
  }

  .feature-link {
    margin-top: 22px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }

  .feature-link i {
    font-size: 12px;
    transition: transform .2s ease;
  }

  .feature-card:hover .feature-link i,
  .feature-link:hover i {
    transform: translateX(3px);
  }

  /*** Mixed Intro ***/
  .intro-panel {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    height: 100%;
  }

  .intro-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    display: block;
    height: 100%;
  }

  .intro-content {
    padding: 48px 46px;
  }

  .intro-content h2 {
    margin-bottom: 18px;
  }

  .intro-content p {
    color: var(--text-body);
    font-size: 15px;
    margin-bottom: 26px;
  }

  .point-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 16px;
  }

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

  .point-list i {
    color: var(--success);
    margin-top: 5px;
    font-size: 16px;
    flex: 0 0 auto;
  }

  .point-list strong {
    color: var(--text-title);
    font-weight: 700;
  }

  .panel-actions {
    margin-top: 32px;
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
  }

  /*** Topic cards ***/
  .topic-card {
    overflow: hidden;
    background: #fff;
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: transform .2s ease, box-shadow .2s ease;
  }

  .topic-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
  }

  .topic-thumb {
    position: relative;
    overflow: hidden;
    display: block;
  }

  .topic-thumb img {
    width: 100%;
    aspect-ratio: 16 / 10;
    object-fit: cover;
    display: block;
    transition: transform .4s ease;
  }

  .topic-card:hover .topic-thumb img {
    transform: scale(1.04);
  }

  .topic-body {
    padding: 26px 24px 28px;
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
  }

  .topic-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
  }

  .topic-tags .tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-radius: 999px;
    padding: 4px 12px;
    font-weight: 600;
  }

  .topic-tags .tag.green {
    background: rgba(46, 158, 107, .1);
    color: var(--success);
  }

  .topic-body h3 {
    margin-bottom: 10px;
  }

  .topic-body p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 20px;
    line-height: 1.7;
  }

  .topic-footer {
    margin-top: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border);
    padding-top: 16px;
    font-size: 13px;
    color: var(--text-muted);
  }

  .topic-footer .muted {
    font-size: 13px;
  }

  /*** Rules section ***/
  .rules-panel {
    background: #fff;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
    padding: 40px 44px;
    height: 100%;
  }

  .rules-panel h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
  }

  .rules-panel h3 span {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    background: var(--primary-soft);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    flex: 0 0 auto;
  }

  .rules-list {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .rules-list li {
    position: relative;
    padding: 12px 0 12px 28px;
    border-bottom: 1px solid rgba(216, 226, 238, .5);
    font-size: 15px;
    color: var(--text-body);
  }

  .rules-list li:last-child {
    border-bottom: none;
  }

  .rules-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 100%;
    background: var(--primary);
    position: absolute;
    left: 4px;
    top: 23px;
  }

  .rules-list strong {
    display: block;
    color: var(--text-title);
    margin-bottom: 2px;
  }

  /*** FAQ ***/
  .faq-list {
    max-width: 880px;
    margin: 0 auto;
  }

  .faq-item {
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-sm);
    padding: 8px 24px;
    margin-bottom: 14px;
    border-left: 3px solid transparent;
    transition: box-shadow .2s ease, border-color .2s ease;
  }

  .faq-item[open] {
    box-shadow: var(--shadow-md);
    border-left-color: var(--primary);
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 16px 0;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-title);
    user-select: none;
  }

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

  .faq-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-soft);
    color: var(--primary);
    flex: 0 0 auto;
    transition: background .2s ease, color .2s ease, transform .2s ease;
  }

  .faq-icon i {
    font-size: 13px;
  }

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

  .faq-answer {
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.75;
    padding: 0 0 18px;
    border-top: 1px solid rgba(216, 226, 238, .4);
    margin-top: 0;
    padding-top: 14px;
  }

  .faq-answer p {
    margin-bottom: 0;
  }

  /*** CTA ***/
  .cta-band {
    padding: var(--space-block) 0;
  }

  .cta-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 24px;
    padding: 58px 56px;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: 0 16px 40px rgba(47, 111, 172, .22);
  }

  .cta-card::before,
  .cta-card::after {
    content: "";
    position: absolute;
    border-radius: 100%;
    background: rgba(255, 255, 255, .08);
  }

  .cta-card::before {
    width: 240px;
    height: 240px;
    right: -70px;
    top: -80px;
  }

  .cta-card::after {
    width: 160px;
    height: 160px;
    right: 160px;
    bottom: -110px;
  }

  .cta-card h2 {
    color: #fff;
    font-size: 30px;
    margin-bottom: 12px;
    letter-spacing: .5px;
  }

  .cta-card p {
    color: rgba(255, 255, 255, .9);
    font-size: 15px;
    margin-bottom: 28px;
    max-width: 520px;
  }

  .cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 8px;
    position: relative;
    z-index: 2;
  }

  /*** Footer ***/
  .footer {
    background: #182B3B;
    color: #C9D6E3;
    padding: 72px 0 0;
    margin-top: 0;
  }

  .footer-grid {
    row-gap: 40px;
  }

  .footer-brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 18px;
  }

  .footer-brand-lockup .brand-mark {
    background: rgba(221, 234, 245, .12);
    color: #fff;
    border: 1px solid rgba(221, 234, 245, .18);
  }

  .footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #A9BCCC;
    margin-bottom: 22px;
    max-width: 400px;
  }

  .footer-social {
    display: flex;
    gap: 8px;
  }

  .footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    color: #C9D6E3;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background .2s ease, color .2s ease, transform .2s ease;
  }

  .footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-3px);
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: .5px;
  }

  .footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  .footer-links li {
    margin-bottom: 12px;
  }

  .footer-links a {
    color: #A9BCCC;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: color .2s ease, padding-left .2s ease;
  }

  .footer-links a i {
    font-size: 11px;
    color: #7A92A6;
    transition: color .2s ease;
  }

  .footer-links a:hover {
    color: #fff;
    padding-left: 4px;
  }

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

  .footer-bottom {
    margin-top: 56px;
    border-top: 1px solid rgba(255, 255, 255, .08);
    padding: 20px 0;
    font-size: 13px;
    color: #7A92A6;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 20px;
    align-items: center;
    justify-content: center;
  }

  .footer-bottom a {
    color: #A9BCCC;
  }

  .footer-bottom a:hover {
    color: #fff;
  }

  /*** Responsive ***/
  @media (max-width: 1023px) {
    :root {
      --space-block: 72px;
    }

    .intro-content {
      padding: 38px 36px;
    }

    .intro-media img {
      aspect-ratio: 16 / 8;
    }

    .cta-card {
      padding: 46px 36px;
    }
  }

  @media (max-width: 639px) {
    :root {
      --space-block: 56px;
    }

    .grid-container {
      padding-left: 16px;
      padding-right: 16px;
    }

    h1 {
      font-size: 28px;
    }

    h2 {
      font-size: 24px;
    }

    .header-top {
      padding: 10px 0;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 11px;
    }

    .brand-text {
      font-size: 17px;
    }

    .header-side .btn {
      padding: 8px 12px;
      font-size: 13px;
    }

    .channel-inner {
      gap: 2px;
    }

    .nav-item {
      font-size: 14px;
      padding: 8px 14px;
    }

    .cat-banner {
      padding: 56px 0 46px;
    }

    .cat-title {
      font-size: 32px;
      line-height: 1.25;
    }

    .cat-lead {
      font-size: 15px;
    }

    .feature-card {
      padding: 26px 22px;
    }

    .intro-content {
      padding: 28px 22px;
    }

    .panel-actions {
      flex-direction: column;
    }

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

    .rules-panel {
      padding: 28px 22px;
    }

    .cta-card {
      padding: 36px 22px;
    }

    .cta-actions {
      flex-direction: column;
    }

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

    .footer {
      padding-top: 52px;
    }

    .footer-grid {
      row-gap: 32px;
    }

    .footer-bottom {
      justify-content: flex-start;
      padding: 16px 0;
      gap: 4px 12px;
    }

    .faq-item {
      padding: 4px 16px;
    }

    .faq-item summary {
      gap: 12px;
      font-size: 15px;
      padding: 16px 0;
    }

    .faq-answer {
      font-size: 14px;
    }
  }