/* roulang page: index */
:root {
  --primary: #2E6F8E;
  --primary-deep: #1D536E;
  --primary-soft: #EAF3F8;
  --accent: #E8A33D;
  --accent-soft: #F8E9CC;
  --bg: #F7FAFC;
  --white: #FFFFFF;
  --line: #E2ECF2;
  --text: #1F2A33;
  --muted: #5B6E7A;
  --faint: #8CA1AE;
  --radius-card: 14px;
  --radius-pic: 12px;
  --radius-btn: 10px;
  --shadow: 0 6px 18px rgba(45, 81, 100, 0.06);
  --shadow-hover: 0 14px 30px rgba(45, 81, 100, 0.10);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  --space-xl: 100px;
  --space-lg: 80px;
  --space-mid: 56px;
  --space-sm: 24px;
}
*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0 0 72px;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; border: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-deep); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(46,111,142,.45);
  outline-offset: 3px;
  border-radius: 4px;
}
p,h1,h2,h3,h4,ul,figure{margin:0 0 1rem;}
ul{list-style:none;padding:0;}
.container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:var(--space-xl) 0;}
.grid-x{display:flex;flex-wrap:wrap;}
.grid-x>.cell{flex:0 0 auto;width:100%;box-sizing:border-box;}
.align-middle{align-items:center;}
.skip-link {
  position:absolute; left:16px; top:-80px; z-index: 2000;
  background:var(--primary-deep); color:#fff; padding:10px 18px; border-radius:0 0 10px 10px;
  transition:top .2s;
}
.skip-link:focus{top:0;color:#fff;}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 2px 12px rgba(29,83,110,.03);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  flex-wrap: wrap;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.18rem;
  color: var(--text);
  letter-spacing: .01em;
}
.brand:hover{color:var(--text);}
.brand-icon{
  width: 42px; height:42px;
  background: linear-gradient(135deg, var(--primary), #4E94B3);
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  padding: 8px;
  box-shadow: 0 4px 10px rgba(46,111,142,.22);
}
.brand-icon svg{width:100%;height:100%;display:block;}
.nav-toggle{
  display:none;
  width:44px; height:44px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  align-items:center;justify-content:center;
  cursor:pointer;
  color:var(--text);
  transition:border-color .2s, background .2s;
}
.nav-toggle:hover{border-color:var(--primary);background:var(--primary-soft);}
.nav-toggle:active{transform:scale(.97);}
.nav-toggle svg{width:22px;height:22px;}
.site-nav{
  display:flex;
  align-items:center;
  gap: 8px;
}
.site-nav .nav-link{
  position: relative;
  padding: 12px 14px;
  font-size: 1rem;
  font-weight: 500;
  color: var(--muted);
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
}
.site-nav .nav-link::after{
  content:"";
  position:absolute;
  left:12px; right:auto; bottom:4px;
  width:0; height:2px;
  background: var(--primary);
  border-radius: 4px;
  transition: width .2s ease;
}
.site-nav .nav-link:hover{color:var(--primary-deep);background:transparent;}
.site-nav .nav-link:hover::after{width: calc(100% - 24px);}
.site-nav .nav-link:focus-visible{outline-offset: -2px;}
.site-nav .nav-link.active{color:var(--primary-deep);font-weight:600;}
.site-nav .nav-link.active::after{width: calc(100% - 24px);}

.hero{
  background:
    radial-gradient(circle at 12% 18%, rgba(69,142,171,.34) 0, rgba(69,142,171,0) 32%),
    linear-gradient(120deg, rgba(15,49,68,.96) 0%, rgba(24,75,99,.92) 54%, rgba(41,108,138,.88) 100%),
    url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color:#fff;
  overflow:hidden;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.hero .grid-x{
  min-height: 620px;
  align-items:center;
  padding-top: 40px;
  padding-bottom: 40px;
}
.hero-copy{padding-right:32px;position:relative;z-index:2;}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border:1px solid rgba(255,255,255,.18);
  border-radius:30px;
  background:rgba(255,255,255,.08);
  color:#D6EAF3;
  font-size:.88rem;
  margin-bottom:24px;
}
.hero-eyebrow svg{width:15px;height:15px;}
.hero h1{
  font-size: clamp(2.25rem, 4.2vw, 3.45rem);
  font-weight: 700;
  line-height: 1.22;
  margin:0 0 26px;
  color:#fff;
  letter-spacing: .01em;
}
.hero h1 span{color:#FFD084;}
.hero .hero-lead{
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  color: #E3F0F6;
  max-width: 560px;
  margin-bottom: 34px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-btn);
  font-weight: 600;
  font-size: .98rem;
  line-height: 1;
  padding: 16px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all .2s ease;
  background: transparent;
  color: var(--text);
  gap: 8px;
}
.btn svg{width:18px;height:18px;}
.btn btn-icon-only{border:0;background:transparent;color:inherit;padding:8px;}
.btn:active{transform: translateY(1px) scale(.99);}
.btn-primary{background: var(--white); color: var(--primary-deep); box-shadow: 0 6px 18px rgba(0,0,0,.12);}
.btn-primary:hover{background:#F2F9FC;color:var(--primary-deep);transform:translateY(-2px);box-shadow:0 12px 24px rgba(0,0,0,.16);}
.btn-outline{border:1px solid rgba(255,255,255,.5);color:#fff;}
.btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px);}
.btn-deep{background:var(--primary);color:#fff;}
.btn-deep:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn-accent{background:var(--accent);color:#223;}
.btn-accent:hover{background:#D99531;color:#1F2A33;transform:translateY(-2px);box-shadow:0 12px 24px rgba(232,163,61,.3);}
.hero-tip{
  margin-top: 30px;
  font-size: .88rem;
  color: rgba(230,243,248,.78);
  display:inline-flex;
  align-items:center;
  gap:8px;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:16px;
}
.hero-tip svg{width:16px;height:16px;color:#FFD084;}
.hero-media{position:relative;max-width:520px;margin-left:auto;}
.hero-media-card{
  background: rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(8px);
  border-radius:24px;
  padding:14px;
  box-shadow: 0 24px 50px rgba(7,28,42,.28);
}
.hero-media-card img{border-radius:16px;width:100%;object-fit:cover;height:320px;background:#3D7188;}
.hero-media-label{
  position:absolute;
  left:-22px;
  bottom:20px;
  background:#fff;
  color:var(--text);
  border-radius:14px;
  padding:12px 16px;
  box-shadow:0 14px 30px rgba(10,30,42,.2);
  font-size:.88rem;
  display:flex;
  align-items:center;
  gap:10px;
}
.hero-media-label svg{width:20px;height:20px;color:var(--accent);}
.hero-dpad{
  position:absolute; right:-24px; top:-28px;
  width:106px; height:106px;
  border-radius:22px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  transform: rotate(12deg);
  z-index:-1;
}
.hero-dpad::before,.hero-dpad::after{
  content:"";position:absolute;background:rgba(255,255,255,.08);border-radius:8px;
}
.hero-dpad::before{left:23px;top:8px;width:60px;height:88px;}
.hero-dpad::after{top:23px;left:8px;width:88px;height:60px;}

.section-head{max-width:820px;margin:0 auto 62px;text-align:center;}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.88rem;color:var(--primary);letter-spacing:.04em;
  font-weight:600;
}
.section-head .kicker::before,.section-head .kicker::after{
  content:"";width:24px;height:1px;background:var(--primary);display:inline-block;opacity:.55;
}
.section-head h2{
  font-size: clamp(1.6rem, 2.6vw, 2.4rem);
  line-height:1.24;
  font-weight:600;
  margin:10px 0 16px;
  color:var(--text);
}
.section-head .section-sub{
  color:var(--muted);
  font-size:1.05rem;
}
.mark-title{color:var(--primary-deep);}

.feature-layout{
  display:grid;
  grid-template-columns: minmax(0,.8fr) minmax(0,1.5fr);
  gap:50px;
  align-items:start;
}
.feature-intro{
  border-left:3px solid var(--primary);
  padding:6px 0 6px 28px;
  position:sticky;
  top:110px;
}
.feature-intro .mini-icon{
  width:48px;height:48px;
  border-radius:14px;
  background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  margin-bottom:20px;
}
.feature-intro .mini-icon svg{width:24px;height:24px;}
.feature-intro h3{font-size:clamp(1.4rem,2vw,1.75rem);font-weight:600;line-height:1.4;margin-bottom:18px;}
.feature-intro p{color:var(--muted);margin-bottom:24px;}
.text-link{font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--primary-deep);gap:10px;}
.text-link svg{width:18px;height:18px;transition:transform .2s ease;}
.feature-items{display:flex;flex-direction:column;gap:18px;}
.feature-row{
  display:flex;
  gap:22px;
  align-items:flex-start;
  background:var(--white);
  border:1px solid var(--line);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow);
  transition: box-shadow .2s ease, transform .2s ease;
}
.feature-row:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.feature-icon{
  flex:0 0 56px;
  width:56px;height:56px;
  border-radius:16px;
  background:linear-gradient(135deg, var(--primary-soft), #F1F8FC);
  border:1px solid #CFE3EC;
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
}
.feature-icon svg{width:28px;height:28px;}
.feature-row h3{font-size:1.15rem;font-weight:600;margin-bottom:8px;}
.feature-row p{color:var(--muted);margin-bottom:14px;max-width:640px;}
.feature-row .row-link{font-weight:600;font-size:.92rem;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.feature-row .row-link:hover{color:var(--primary-deep);gap:10px;}

.journey-section{background:linear-gradient(180deg, #F1F8FB 0%, #EDF5F8 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.journey-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
  counter-reset: journey;
}
.journey-step{
  position:relative;
  background:#fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow);
  padding:34px 26px 28px;
  border-top:4px solid var(--primary);
  transition: transform .2s ease, box-shadow .2s;
}
.journey-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.journey-step .step-no{
  font-size:.9rem;
  color:var(--accent);
  font-weight:700;
  letter-spacing:.04em;
  display:block;
  margin-bottom:4px;
}
.journey-step h3{font-size:1.25rem;font-weight:600;margin-bottom:10px;}
.journey-step p{color:var(--muted);margin-bottom:0;}
.journey-step .step-icon{
  width:50px;height:50px;border-radius:50%;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.journey-step .step-icon svg{width:25px;height:25px;}
.journey-arrow{
  position:absolute;
  top:calc(50% - 18px);
  right:-30px;
  width:30px;height:30px;
  color:var(--faint);
  z-index:2;
}
.journey-arrow svg{width:30px;height:30px;transform:rotate(-90deg);}

.updates-section{background:#fff;border-bottom:1px solid var(--line);}
.updates-layout{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:28px;
}
.lead-card{
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease;
}
.lead-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.lead-card .cover{
  min-height:260px;
  background:linear-gradient(135deg, #DDEAF1,#F5F9FB) center/cover;
  position:relative;
  overflow:hidden;
}
.lead-card .cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;background:#d8e7f0;}
.lead-card .lead-body{padding:26px;}
.lead-tag{
  display:inline-block;
  background:var(--primary-soft);
  border:1px solid #CBDFEA;
  color:var(--primary-deep);
  font-size:.82rem;
  border-radius:30px;
  padding:5px 13px;
  margin-bottom:14px;
  font-weight:600;
}
.lead-card h3{font-size:1.3rem;font-weight:600;line-height:1.5;margin-bottom:12px;}
.lead-card h3 a{color:var(--text);}
.lead-card h3 a:hover{color:var(--primary);}
.lead-card .lead-summary{color:var(--muted);margin-bottom:18px;}
.lead-meta{
  display:flex;align-items:center;justify-content:space-between;
  color:var(--faint);
  font-size:.88rem;
  border-top:1px solid var(--line);
  padding-top:16px;
}
.lead-meta .meta-left{display:flex;align-items:center;gap:16px;}
.lead-meta svg{width:16px;height:16px;margin-right:5px;vertical-align:-2px;}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;
}
.arrow-link:hover{gap:10px;}
.arrow-link svg{width:17px;height:17px;}
.brief-list{display:flex;flex-direction:column;gap:12px;}
.brief-item{
  display:flex;
  gap:18px;
  align-items:center;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:14px;
  transition:all .2s ease;
}
.brief-item:hover{background:#fff;border-color:#C4DCE8;box-shadow:var(--shadow-hover);transform:translateX(3px);}
.brief-thumb{
  width:112px;height:86px;flex:0 0 112px;
  border-radius:10px;
  overflow:hidden;
  background:var(--primary-soft);
  position:relative;
}
.brief-thumb img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
.brief-info{min-width:0;}
.brief-info h3{font-size:1rem;line-height:1.45;font-weight:600;margin-bottom:8px;}
.brief-info h3 a{color:var(--text);}
.brief-info h3 a:hover{color:var(--primary);}
.brief-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:.85rem;color:var(--faint);}
.brief-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--faint);}
.brief-meta .cat{
  background:#fff;
  border:1px solid var(--line);
  color:var(--primary);
  border-radius:30px;
  padding:2px 10px;
  font-size:.82rem;
  font-weight:600;
}
.chip{
  display:inline-flex;align-items:center;
  background:var(--accent-soft);
  color:#9A6114;
  border-radius:99px;
  padding:4px 12px;
  font-size:.82rem;font-weight:600;
}
.item-more{margin-left:auto;color:var(--faint);}
.item-more svg{width:18px;height:18px;transition:color .2s;}
.brief-item:hover .item-more{color:var(--primary);}
.updates-empty{
  grid-column:1 / -1;
  background:var(--bg);
  border:1px dashed #C9DDE7;
  border-radius:var(--radius-card);
  padding:70px 24px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
  color:var(--muted);
  gap:16px;
  min-height:220px;
}
.updates-empty svg{width:64px;height:64px;color:var(--faint);opacity:.7;}

.need-section{
  background:linear-gradient(120deg, #123E52 0%, #1E5B73 60%, #2E718B 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color:#fff;
}
.need-section .section-head h2{color:#fff;}
.need-section .section-head .section-sub{color:rgba(235,246,252,.9);}
.need-section .kicker{color:#FFD98E;}
.need-section .kicker::before,.need-section .kicker::after{background:#FFD98E;}
.people-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.people-card{
  background:#fff;
  border-radius:var(--radius-card);
  padding:26px;
  color:var(--text);
  position:relative;
  box-shadow:0 16px 32px rgba(7,28,42,.16);
  transition:transform .2s ease;
}
.people-card:hover{transform:translateY(-4px);}
.people-card::before{
  content:"";
  position:absolute;
  left:26px; top:0;
  width:30px;height:3px;
  border-radius:0 0 4px 4px;
  background:var(--accent);
}
.people-card .people-ico{
  width:50px;height:50px;
  border-radius:14px;
  background:var(--primary-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.people-card .people-ico svg{width:24px;height:24px;}
.people-card h3{font-size:1.18rem;font-weight:600;margin-bottom:10px;}
.people-card p{color:var(--muted);margin-bottom:0;font-size:.95rem;}
.people-note{
  margin-top:36px;
  text-align:center;
  color:rgba(238,247,251,.86);
  font-size:.9rem;
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:26px;
  max-width:800px;
  margin-left:auto;
  margin-right:auto;
}

.faq-section{background:var(--bg);}
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .2s;
}
.faq-item:hover{box-shadow:var(--shadow);}
.faq-item.open{box-shadow:var(--shadow);border-color:#C9DDE7;}
.faq-question{
  width:100%;
  background:transparent;
  border:0;
  padding:22px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  cursor:pointer;
  text-align:left;
  font-family:inherit;
  color:var(--text);
  font-size:1.05rem;
  font-weight:600;
  transition:color .2s;
}
.faq-question:hover{color:var(--primary);}
.faq-question:focus-visible{outline-offset:-4px;}
.faq-ico{
  flex:0 0 30px;
  width:30px;height:30px;
  border-radius:50%;
  background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);
  transition:all .25s ease;
}
.faq-ico svg{width:18px;height:18px;}
.faq-item.open .faq-ico{background:var(--primary);color:#fff;transform:rotate(45deg);}
.faq-answer-wrap{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s ease;
}
.faq-item.open .faq-answer-wrap{grid-template-rows:1fr;}
.faq-answer{
  overflow:hidden;
}
.faq-answer-inner{
  border-top:1px solid var(--line);
  margin:0 24px;
  padding:16px 0 22px;
  color:var(--muted);
  font-size:.98rem;
}
.faq-answer-inner p:last-child{margin-bottom:0;}

.cta-section{
  background:linear-gradient(rgba(239,248,251,.94), rgba(239,248,251,.96)), url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-box{
  text-align:center;
  max-width:760px;
  margin:0 auto;
}
.cta-box .cta-mark{
  width:72px;height:72px;
  border-radius:20px;
  background:var(--primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 24px;
  box-shadow:0 12px 26px rgba(46,111,142,.28);
}
.cta-box .cta-mark svg{width:34px;height:34px;}
.cta-box h2{font-size:clamp(1.6rem,2.8vw,2.35rem);font-weight:600;line-height:1.25;margin-bottom:16px;}
.cta-box p{color:var(--muted);max-width:620px;margin:0 auto 34px;}
.cta-actions{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;}

.site-footer{
  background:#EAF3F8;
  border-top:1px solid var(--line);
  color:var(--muted);
  padding:64px 0 32px;
  font-size:.95rem;
}
.footer-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  padding-bottom:42px;
  border-bottom:1px solid #D5E6EF;
  margin-bottom:24px;
}
.footer-brand{max-width:420px;}
.footer-brand .brand{cursor:default;}
.footer-brand p{margin:18px 0 0;color:var(--muted);}
.footer-nav-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
.footer-nav-groups h3{
  font-size:.92rem;
  color:var(--faint);
  text-transform:uppercase;
  letter-spacing:.06em;
  margin-bottom:14px;
  font-weight:600;
}
.footer-nav-groups ul li{margin-bottom:10px;}
.footer-nav-groups a{color:var(--muted);transition:color .2s,padding-left .2s;}
.footer-nav-groups a:hover{color:var(--primary);padding-left:4px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:.86rem;
  color:var(--faint);
  flex-wrap:wrap;
}
.footer-bottom .domain{color:var(--muted);}
.no-harm{
  font-size:1rem; line-height:1.7;
}
.fixed-cta{
  position:fixed;
  left:0; right:0; bottom:0;
  z-index:80;
  background:rgba(255,255,255,.96);
  border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(29,83,110,.08);
  padding:10px 18px;
  min-height:56px;
}
.fixed-cta .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:40px;
}
.fixed-cta span{font-size:.96rem;color:var(--muted);display:inline-flex;align-items:center;gap:12px;}
.fixed-cta span svg{width:18px;height:18px;color:var(--primary);}
.fixed-cta .btn{font-size:.94rem;padding:12px 20px;}

@media (max-width: 1024px) {
  .hero .grid-x{min-height:560px;}
  .hero-media-label{left:-8px;}
  .journey-arrow{display:none;}
  .feature-layout{gap:30px;}
  .updates-layout{grid-template-columns:1fr;  }
  .people-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width: 900px) {
  .section{padding:66px 0;}
  .header-inner{min-height:60px;}
  .hero .grid-x{min-height:auto;padding-top:36px;padding-bottom:46px;}
  .hero-copy,.hero-media{width:100%!important;}
  .hero-copy{padding-right:0;margin-bottom:40px;}
  .hero-media{margin-left:0;}
  .feature-layout{grid-template-columns:1fr;gap:34px;}
  .feature-intro{position:static;}
  .people-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-brand{max-width:100%;}
  .nav-toggle{display:inline-flex;}
  .site-nav{
    display:none;
    position:absolute;
    top:calc(100% + 1px);
    left:0;
    right:0;
    background:#fff;
    padding:10px 12px 20px;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(30,60,75,.08);
    flex-direction:column;
    align-items:stretch;
  }
  .site-nav.open{display:flex;}
  .site-nav .nav-link{padding:14px 14px;}
  .site-nav .nav-link::after{left:14px;bottom:10px;}
  .site-nav .nav-link.active::after{width:calc(100% - 28px);}
  .journey-grid{grid-template-columns:1fr;}
}
@media (max-width: 640px) {
  body{padding-bottom:66px;}
  .section{padding:56px 0;}
  .container{padding-left:18px;padding-right:18px;}
  .brand{font-size:1.05rem;}
  .brand-icon{width:36px;height:36px;}
  .hero h1{font-size:clamp(1.9rem, 8vw, 2.5rem);}
  .hero-lead{margin-bottom:24px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-media{max-width:420px;margin:0 auto;}
  .cta-actions .btn{width:100%;}
  .footer-nav-groups{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;text-align:center;}
  .brand-icon.brand-footer{width:38px;height:38px;}
  .fixed-cta span{display:none;}
  .fixed-cta .container{justify-content:center;}
  .fixed-cta .btn{width:100%;text-align:center;}
}
@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{
    transition:none!important;
    animation:none!important;
    scroll-behavior:auto!important;
  }
}

/* roulang page: category1 */
:root{
  --primary:#2E6F8E;
  --primary-dark:#205A75;
  --primary-light:#4B8AAA;
  --accent:#E8A33D;
  --accent-light:#F5C46B;
  --bg:#F7FAFC;
  --bg-alt:#EAF3F8;
  --card:#FFFFFF;
  --text:#1F2A33;
  --text-secondary:#5B6E7A;
  --text-muted:#8CA1AE;
  --border:#E2ECF2;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 6px 18px rgba(45,81,100,0.06);
  --shadow-hover:0 14px 30px rgba(45,81,100,0.10);
  --transition:0.2s ease;
  --font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-family);
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--transition),background var(--transition),box-shadow var(--transition),border-color var(--transition);}
a:hover{color:var(--primary-dark);}
a:focus-visible{outline:3px solid rgba(46,111,142,0.4);outline-offset:2px;border-radius:4px;}
button{font-family:var(--font-family);cursor:pointer;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
ul,ol{list-style:none;}
h1,h2,h3,h4{line-height:1.3;color:var(--text);}
.notice-bar{
  background:linear-gradient(90deg,#EAF3F8,#F7FAFC,#EAF3F8);
  padding:8px 0;
  font-size:0.875rem;
  color:var(--text-secondary);
  border-bottom:1px solid var(--border);
  text-align:center;
}
.site-header{
  background:var(--card);
  height:72px;
  position:sticky;
  top:0;
  z-index:1002;
  box-shadow:0 1px 0 rgba(46,111,142,0.08);
  border-bottom:1px solid var(--border);
}
.header-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.35rem;
  font-weight:700;
  color:var(--text);
  letter-spacing:0;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-icon{
  width:38px;
  height:38px;
  border-radius:12px;
  background:var(--primary);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  box-shadow:0 4px 10px rgba(46,111,142,0.25);
}
.brand-icon svg{width:24px;height:24px;}
.brand span:last-child{white-space:nowrap;}
.site-nav{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 18px;
  font-size:16px;
  font-weight:500;
  color:var(--text-secondary);
  border-radius:8px;
  transition:color var(--transition),background var(--transition),opacity var(--transition);
}
.nav-link::after{
  content:'';
  position:absolute;
  left:18px;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--primary);
  border-radius:2px;
  transition:width var(--transition) ease;
}
.nav-link:hover{color:var(--primary);background:rgba(46,111,142,0.06);}
.nav-link:hover::after{width:calc(100% - 36px);}
.nav-link.active{
  color:var(--primary);
  font-weight:600;
  background:rgba(46,111,142,0.08);
}
.nav-link.active::after{width:calc(100% - 36px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--border);
  border-radius:10px;
  background:var(--card);
  align-items:center;
  justify-content:center;
  color:var(--text);
}
.nav-toggle svg{width:22px;height:22px;}
.nav-toggle[aria-expanded="true"] svg path:first-child{display:none;}
.mobile-cta{display:none;}
@media(max-width:768px){
  .site-header{height:60px;position:sticky;top:0;}
  .header-inner{height:60px;}
  .brand{font-size:1.2rem;}
  .brand-icon{width:34px;height:34px;}
  .nav-toggle{
    display:flex;
    position:relative;
  }
  .site-nav{
    position:absolute;
    top:60px;
    left:0;
    right:0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    padding:14px 20px 20px;
    box-shadow:0 20px 40px rgba(45,81,100,0.15);
    border-bottom:1px solid var(--border);
    gap:4px;
    display:none;
  }
  .site-nav.open{display:flex;}
  .nav-link{
    padding:14px 18px;
    font-size:16px;
    border-radius:10px;
  }
  .nav-link::after{display:none;}
  .nav-link.active{background:rgba(46,111,142,0.10);color:var(--primary);}
  .site-nav .mobile-cta{
    display:block;
    margin-top:12px;
    text-align:center;
  }
}
.hero{
  background:var(--bg);
  padding:64px 0 72px;
  position:relative;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(400px 200px at 85% 15%,rgba(232,163,61,0.06),transparent 70%),
    radial-gradient(500px 250px at 10% 80%,rgba(46,111,142,0.05),transparent 70%);
  pointer-events:none;
}
.hero::after{
  content:'';
  position:absolute;
  z-index:0;
  top:-80px;
  right:-100px;
  width:420px;height:420px;
  border:2px dashed rgba(46,111,142,0.10);
  border-radius:50%;
}
.hero .grid-x{align-items:center;position:relative;z-index:1;}
.hero-copy .hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:rgba(46,111,142,0.10);
  color:var(--primary-dark);
  padding:6px 16px;
  border-radius:100px;
  font-size:0.875rem;
  font-weight:600;
  margin-bottom:24px;
  letter-spacing:0.02em;
}
.hero-copy h1{
  font-size:clamp(2.1rem,4vw,3.1rem);
  font-weight:700;
  line-height:1.19;
  letter-spacing:-0.01em;
  color:var(--text);
  margin-bottom:18px;
}
.hero-copy h1 .highlight{color:var(--primary);position:relative;}
.hero-copy .hero-lead{
  font-size:1.125rem;
  color:var(--text-secondary);
  line-height:1.8;
  max-width:520px;
  display:block;
  /* 已加入自然写法 */
}
.hero-copy p{font-size:1.0625rem;color:var(--text-secondary);line-height:1.8;margin-bottom:6px;}
.hero-btns{display:flex;gap:16px;margin-top:30px;flex-wrap:wrap;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:13px 32px;
  border-radius:var(--radius-btn);
  font-family:var(--font-family);
  font-size:1rem;
  font-weight:600;
  line-height:1;
  border:none;
  cursor:pointer;
  background:transparent;
  transition:all var(--transition);
  text-decoration:none;
}
.btn:focus-visible{outline:3px solid rgba(46,111,142,0.35);outline-offset:2px;}
.btn-primary{
  background:var(--primary);
  color:#fff;
  box-shadow:0 6px 18px rgba(46,111,142,0.30);
}
.btn-primary:hover{
  background:var(--primary-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(46,111,142,0.35);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 8px rgba(46,111,142,0.2);}
.btn-outline{
  background:#fff;
  color:var(--primary-dark);
  border:1.5px solid var(--primary);
}
.btn-outline:hover{
  background:var(--bg-alt);
  color:var(--primary-dark);
  border-color:var(--primary-light);
  transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(46,111,142,0.10);
}
.btn-outline:active{transform:translateY(0);background:rgba(46,111,142,0.08);}
.btn-accent{
  background:var(--accent);
  color:#fff;
  box-shadow:0 6px 18px rgba(232,163,61,0.3);
}
.btn-accent:hover{
  background:#d6942f;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(232,163,61,0.4);
}
.btn-lg{padding:16px 36px;font-size:1.0625rem;}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:0 18px 40px rgba(45,81,100,0.16);
  background:var(--bg-alt);
  min-height:340px;
}
.hero-media img{width:100%;height:100%;min-height:340px;object-fit:cover;}
.hero-media .hero-tag{
  position:absolute;
  top:16px;left:16px;
  z-index:2;
  background:rgba(255,255,255,0.92);
  border:1px solid #EAF3F8;
  backdrop-filter:blur(6px);
  border-radius:10px;
  padding:8px 16px;
  font-size:0.8125rem;
  color:var(--primary-dark);
  font-weight:600;
}
@media(max-width:1024px){
  .hero{padding:56px 0 56px;}
  .hero-media{min-height:300px;height:300px;}
}
@media(max-width:768px){
  .hero{padding:36px 0 46px;}
  .hero-media{margin-top:30px;min-height:220px;height:auto;}
  .hero-media img{min-height:220px;}
  .hero-btns{gap:12px;}
  .btn{padding:13px 24px;}
}
.featured-guides{
  padding:100px 0 90px;
  background:var(--bg);
}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  margin-bottom:44px;
  gap:20px;
}
.section-label{
  display:flex;
  align-items:center;
  gap:6px;
  font-size:0.875rem;
  color:var(--primary);
  font-weight:600;
  letter-spacing:0.12em;
  text-transform:uppercase;
  margin-bottom:8px;
}
.section-head h2{
  font-size:clamp(1.6rem,2.2vw,2rem);
  font-weight:600;
  line-height:1.25;
  max-width:560px;
}
.section-head p{color:var(--text-secondary);font-size:1.0625rem;margin-top:8px;max-width:560px;}
.section-more{
  font-size:15px;
  font-weight:500;
  color:var(--primary-dark);
  border-bottom:1px solid var(--primary-light);
  padding-bottom:3px;
  white-space:nowrap;
}
.section-more:hover{border-color:var(--accent);color:var(--accent);}
.guide-cards .card{
  background:var(--card);
  border-radius:var(--radius-card);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  padding:28px 26px;
  height:100%;
  transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition);
  display:flex;
  flex-direction:column;
}
.guide-cards .card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(46,111,142,0.50);
}
.card-icon{
  width:48px;height:48px;
  border-radius:12px;
  background:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
}
.card-icon svg{width:24px;height:24px;color:#fff;}
.card-icon.gold{background:var(--accent);}
.card-icon.deep{background:var(--primary-dark);}
.card-body h3{
  font-size:1.35rem;
  font-weight:600;
  color:var(--text);
  margin-bottom:12px;
}
.card-body p{
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.7;
  margin-bottom:8px;
  flex:1;
}
.card-body .guide-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.badge-tag{
  background:var(--bg-alt);
  color:var(--primary-dark);
  border-radius:100px;
  padding:3px 12px;
  font-size:0.8rem;
  font-weight:500;
  display:inline-block;
}
.story-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  color:var(--primary);
  font-size:14px;
  margin-top:14px;
}
.story-link svg{width:15px;height:15px;transition:transform var(--transition);}
.story-link:hover{color:var(--accent);}
.story-link:hover svg{transform:translateX(4px);}
.more-guide-card{
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  min-height:230px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border:none !important;
  text-align:center;
}
.more-guide-card p{color:rgba(255,255,255,0.85);font-weight:500;font-size:15px;margin-bottom:4px;}
.more-guide-card span{color:var(--accent);font-size:0.875rem;}
.strategy-flow{
  background:var(--bg-alt);
  padding:96px 0 96px;
  position:relative;
  overflow:hidden;
}
.strategy-flow::before{
  content:'';
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:0.04;
  position:absolute;
  inset:0;
  pointer-events:none;
}
.flow-step{
  background:rgba(255,255,255,0.90);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px 24px;
  height:100%;
  position:relative;
  transition:box-shadow var(--transition),transform var(--transition),border-color var(--transition);
}
.flow-step:hover{
  box-shadow:var(--shadow-card);
  border-color:rgba(46,111,142,0.5);
}
.step-num{
  font-size:2.375rem;
  font-weight:700;
  font-style:italic;
  color:transparent;
  -webkit-text-stroke:1px var(--primary);
  line-height:1;
  position:absolute;
  top:18px;right:22px;
  opacity:0.75;
}
.flow-step .step-body h3{font-size:1.125rem;font-weight:600;color:var(--text);}
.flow-step .step-body p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin-bottom:10px;margin-top:12px;}
.flow-arrow{
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  width:44px;
}
.flow-arrow svg{width:24px;height:24px;}
.step-tag{
  font-size:0.8125rem;
  color:var(--text-muted);
  display:block;
}
@media(max-width:1024px){
  .featured-guides{padding:68px 0;}
  .strategy-flow{padding:68px 0;}
  .flow-arrow{transform:rotate(90deg);margin:0 auto;width:auto;justify-content:center;}
}
@media(max-width:640px){
  .flow-arrow{transform:none;width:auto;justify-content:center;}
}
.hero-guide-block{
  padding:88px 0 96px;
  background:var(--bg);
}
.merge-layout{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.left-panel{
  padding:52px 40px 40px;
  background:linear-gradient(150deg,var(--primary) 0%,var(--primary) 55%,var(--primary-dark) 100%);
  color:white;
  position:relative;
  overflow:hidden;
}
.left-panel::after{
  content:'';
  position:absolute;
  bottom:-35%;
  right:-25%;
  width:300px;
  height:300px;
  border:2px solid rgba(255,255,255,0.09);
  border-radius:50%;
}
.left-panel h2{
  color:#fff;
  font-size:clamp(1.4rem,2vw,2rem);
  font-weight:600;
  line-height:1.4;
  position:relative;
  z-index:1;
}
.left-panel h2 em{color:var(--accent);font-style:normal;}
.left-panel .sub-desc{
  margin-top:14px;
  font-size:0.9375rem;
  color:rgba(255,255,255,0.82);
  line-height:1.7;
  max-width:380px;
  position:relative;
  z-index:1;
}
.left-panel .btn-outline-white{
  margin-top:28px;
  background:transparent;
  border:1.5px solid rgba(255,255,255,0.7);
  color:#fff;
  display:inline-block;
}
.left-panel .btn-outline-white:hover{
  background:#fff;
  border-color:#fff;
  color:var(--primary);
}
.right-list{padding:30px 30px 30px;}
.guide-list-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding:15px 18px;
  border-radius:10px;
  border-bottom:1px solid var(--border);
  transition:background var(--transition);
  cursor:default;
  text-decoration:none;
}
.guide-list-item:last-child{border-bottom:none;}
.guide-list-item:hover{background:var(--bg);}
.guide-list-item .list-count{
  font-size:1.375rem;
  font-weight:700;
  color:var(--border);
  width:32px;
  text-align:center;
  flex-shrink:0;
  line-height:1;
}
.guide-list-item:hover .list-count{color:rgba(46,111,142,0.3);}
.guide-list-item h4{
  font-size:1.0625rem;
  color:var(--text);
  line-height:1.35;
  font-weight:600;
}
.guide-list-item h4 a{
  color:var(--text);
}
.guide-list-item h4 a:hover{color:var(--primary);}
.guide-list-item .list-specs{
  display:flex;
  gap:12px;
  margin-top:4px;
  color:var(--text-secondary);
  font-size:0.875rem;
}
@media(max-width:1024px){
  .left-panel{padding:40px 30px;}
  .right-list{padding:24px 20px;}
}
@media(max-width:768px){
  .guide-list-item{padding:14px 8px;flex-wrap:wrap;}
  .guide-list-item .list-count{font-size:1.125rem;}
  .guide-list-item h4{font-size:0.9375rem;}
  .guide-list-item .list-specs{flex-wrap:wrap;gap:6px;}
  .hero-guide-block{padding:42px 0 60px;}
  .left-panel{padding:28px 24px;}
}
.compare-block{
  background:var(--bg);
  padding:90px 0 90px;
}
.compare-table-wrap{
  background:var(--card);
  border-radius:var(--radius-card);
  border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  overflow-x:auto;
}
.compare-table{
  width:100%;
  border-collapse:collapse;
  min-width:560px;
}
.compare-table th,
.compare-table td{
  padding:18px 24px;
  text-align:left;
  border-bottom:1px solid var(--border);
  font-size:15px;
  vertical-align:middle;
}
.compare-table th{
  background:var(--bg-alt);
  font-weight:600;
  color:var(--text);
  white-space:nowrap;
  position:sticky;
  top:0;
}
.compare-table td{
  background:var(--card);
  color:var(--text-secondary);
}
.compare-table tr:last-child td{border-bottom:none;}
.compare-table .trust-icon{color:var(--primary);margin-right:4px;font-weight:600;}
@media(max-width:768px){
  .compare-block{padding:52px 0;}
  .compare-table th,.compare-table td{white-space:nowrap;}
  .section-head{margin-bottom:28px;}
}
.tutorial-section{
  padding:90px 0;
  background:#fff;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.step-row-connect{
  display:flex;
  align-items:center;
  gap:18px;
  margin-bottom:40px;
}
.row-connect-node{
  background:var(--primary);
  color:#fff;
  border-radius:8px;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 20px;
  font-weight:600;
  font-size:14px;
  position:relative;
}
.row-connect-node span:last-child{font-weight:500;}
.connect-arrow{
  width:1px;
  height:32px;
  background:var(--primary-light);
  margin:0 6px;
  border-radius:2px;
  position:relative;
  opacity:0.6;
}
@media(max-width:900px){
  .step-row-connect{flex-direction:column;gap:14px;align-items:center;}
  .connect-arrow{
    display:none;
  }
  .tutorial-section{padding:70px 0 60px;}
}
.faq-section{
  padding:90px 0 92px;
  background:var(--bg);
}
.accordion{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  padding:0 26px;
  margin-bottom:20px;
}
.accordion-item:last-child{border-bottom:none;}
.accordion-title{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  font-size:17px;
  font-weight:500;
  color:var(--text);
  cursor:pointer;
  border:none;
  background:none;
  width:100%;
  text-align:left;
  line-height:1.5;
  font-family:var(--font-family);
}
.accordion-title svg{
  width:20px;
  height:20px;
  color:var(--primary);
  flex-shrink:0;
  transition:transform 0.2s ease;
}
.accordion-item[aria-expanded="true"] .accordion-title svg{transform:rotate(45deg);}
.accordion-title:focus-visible{outline:3px solid rgba(46,111,142,0.3);border-radius:8px;}
.accordion-body{
  padding:0 0 24px;
  color:var(--text-secondary);
  font-size:15px;
  line-height:1.75;
}
.accordion-body .acc-label{
  margin-bottom:8px;
  color:var(--primary);
  font-weight:600;
  font-size:15px;
}
.cta-banner{
  background:var(--primary);
  padding:80px 0;
  position:relative;
  overflow:hidden;
}
.cta-banner::after{
  content:'';
  position:absolute;
  top:-80px;
  right:-50px;
  width:260px;
  height:260px;
  border:30px solid rgba(255,255,255,0.08);
  border-radius:50%;
}
.cta-banner .inner{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.cta-banner h2{
  font-size:clamp(1.6rem,2.4vw,2.1rem);
  color:#fff;
  margin-bottom:18px;
  font-weight:600;
  max-width:600px;
  line-height:1.42;
}
.cta-banner p{
  color:rgba(255,255,255,0.87);
  font-size:16px;
  max-width:580px;
  margin-bottom:16px;
}
.site-footer{
  background:#d9e9f2;
  border-top:1px solid #d0e4ed;
  padding:70px 0 36px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  margin-bottom:56px;
}
.footer-brand .brand{font-size:1.5rem;color:var(--primary)-color:#1F2A33;}
.footer-brand .brand span:last-child{color:#1F2A33;font-size:1.5rem;}
.footer-brand p{
  color:var(--text-secondary);
  font-size:15px;
  margin-top:18px;
  line-height:1.8;
  max-width:380px;
}
.footer-nav-groups{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:30px;
}
.footer-nav-groups h3{
  font-size:1rem;
  font-weight:600;
  color:#1F2A33;
  margin-bottom:18px;
}
.footer-nav-groups ul li{margin-bottom:12px;}
.footer-nav-groups ul a{
  color:var(--text-secondary);
  font-size:15px;
  transition:color var(--transition);
}
.footer-nav-groups ul a:hover{color:var(--primary);transform:translateX(4px);display:inline-block;}
.footer-bottom{
  border-top:1px solid rgba(46,111,142,0.18);
  padding-top:28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  color:var(--text-secondary);
  font-size:14px;
  flex-wrap:wrap;
}
.footer-bottom .domain{
  background:rgba(255,255,255,0.4);
  border-radius:10px;
  padding:4px 16px;
}
.fixed-bar-bottom{
  background:rgb(255,255,255);
  border-top:1px solid var(--border);
  padding:4px 24px;
  box-shadow:0 6px 24px rgba(45,81,100,0.12);
  position:fixed;
  bottom:0;
  left:0;
  right:0;
  z-index:1005;
  transition:opacity var(--transition),transform var(--transition);
}
.fixed-bar-inner{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:70px;
}
.fixed-bar-copy{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--primary-dark);
  font-weight:600;
}
.fixed-bar-copy svg{
  color:var(--accent);
}
.fixed-bar-bottom .btn{
  padding:12px 32px;
  font-size:15px;
}
body{
  padding-bottom:78px;
}
@media(max-width:768px){
  .fixed-bar-inner{
    height:56px;
    padding:8px 18px;
    gap:12px;
  }
  .fixed-bar-copy{display:none;}
  .fixed-bar-bottom{padding:2px 8px 8px;}
  body{padding-bottom:68px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-nav-groups{grid-template-columns:1fr 1fr;gap:30px;}
  .brand span:last-child{font-size:0.95rem;white-space:nowrap;}
  .brand-icon{width:32px;height:32px;}
}
@media(max-width:639px){
  .brand span:last-child{font-size:0.8rem;}
  .brand{font-size:1rem;gap:6px;}
  .hero-copy h1{font-size:1.875rem;}
}

/* roulang page: article */
/* ========== Design Variables ========== */
        :root {
            --primary: #2A6E8E;
            --primary-dark: #20546E;
            --primary-light: #5E9BB7;
            --accent: #E8A33D;
            --accent-dark: #C8842A;
            --accent-light: #F6C56D;
            --bg: #F7FAFC;
            --bg-alt: #EAF3F8;
            --white: #FFFFFF;
            --text: #1F2A33;
            --text-sub: #5B6E7A;
            --text-weak: #8CA1AE;
            --border: #E2ECF2;
            --radius: 14px;
            --radius-img: 12px;
            --radius-btn: 10px;
            --radius-sm: 8px;
            --shadow: 0 6px 18px rgba(45, 81, 100, 0.06);
            --shadow-hover: 0 14px 30px rgba(45, 81, 100, 0.12);
            --shadow-drop: 0 4px 20px rgba(45, 81, 100, 0.08);
            --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            --space-section: clamp(56px, 8vw, 100px);
            --space-section-sm: clamp(40px, 5vw, 60px);
        }

        /* ========== Reset & Base ========== */
        *, *::before, *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-main);
            font-size: 1rem;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .2s ease, border-color .2s ease, background .2s ease, transform .2s ease, box-shadow .2s ease;
        }
        a:hover {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid rgba(42, 110, 142, 0.25);
            outline-offset: 2px;
        }
        button {
            font-family: inherit;
            border: none;
            cursor: pointer;
            transition: all .2s ease;
        }
        button:focus-visible {
            outline: 3px solid rgba(42, 110, 142, 0.25);
            outline-offset: 2px;
        }
        ul, ol {
            list-style: none;
        }
        input, textarea {
            font-family: inherit;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        input:focus-visible, textarea:focus-visible {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(42, 110, 142, 0.12);
        }
        h1, h2, h3, h4 {
            color: var(--text);
            line-height: 1.3;
        }

        /* ========== Shared Header/Nav ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 150;
            background: var(--white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(45, 81, 100, 0.02);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 72px;
            padding: 0 24px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            white-space: nowrap;
        }
        .brand:hover {
            color: var(--primary);
        }
        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--bg-alt);
            color: var(--primary);
            flex-shrink: 0;
        }
        .brand-icon svg {
            width: 26px;
            height: 26px;
        }
        .site-nav {
            display: flex;
            align-items: center;
            gap: 36px;
        }
        .nav-link {
            position: relative;
            padding: 10px 0;
            color: var(--text);
            font-size: 16px;
            font-weight: 500;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width .25s ease-in-out;
        }
        .nav-link:hover {
            color: var(--primary);
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: transparent;
            border-radius: 8px;
            color: var(--text);
        }
        .nav-toggle svg {
            width: 22px;
            height: 22px;
        }
        .nav-toggle:hover {
            color: var(--primary);
            background: var(--bg-alt);
        }

        /* ========== Container ========== */
        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .container-narrow {
            max-width: 860px;
            margin: 0 auto;
        }

        /* ========== Article Banner ========== */
        .article-banner {
            position: relative;
            background: linear-gradient(135deg, #15394D 0%, #2A6E8E 55%, #3B87A8 100%);
            padding: 62px 0 50px;
            color: #fff;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -20px;
            width: 260px;
            height: 260px;
            border: 2px solid rgba(255, 255, 255, 0.12);
            border-radius: 50%;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .crumb-line {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }
        .crumb-line a {
            color: rgba(255, 255, 255, 0.85);
            transition: color .2s ease;
        }
        .crumb-line a:hover {
            color: #fff;
        }
        .crumb-line span.sep {
            opacity: 0.6;
        }
        .article-cat-tag {
            display: inline-flex;
            align-items: center;
            padding: 5px 14px;
            border-radius: 30px;
            background: rgba(232, 163, 61, 0.22);
            border: 1px solid rgba(232, 163, 61, 0.5);
            color: #FFE2B0;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .article-banner h1 {
            color: #fff;
            font-size: clamp(1.7rem, 3.2vw, 2.5rem);
            font-weight: 700;
            line-height: 1.35;
            max-width: 920px;
            margin-bottom: 12px;
            text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        }
        .article-meta {
            display: flex;
            position:relative;z-index:3;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-top: 8px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
        }
        .article-meta .meta-src {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, 0.9);
        }
        .dot-divider {
            width: 4px;
            height: 4px;
            border-radius: 4px;
            background: rgba(255, 255, 255, 0.45);
            border-radius: 50%;

        }
        .article-meta svg {
            width: 14px;
            height: 14px;
            opacity: 0.7;
        }

        /* ========== Article Body ========== */
        .article-body-sec {
            padding: 34px 0 30px;
        }
        .article-main-wrap {
            background: var(--white);
            border-radius: 16px;
            box-shadow: var(--shadow);
            padding: 42px clamp(20px, 5vw, 58px);
            margin-top: 0;
        }
        .article-body {
            max-width: 760px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.8;
            color: var(--text);
        }
        .article-body::after {
            content: '';
            display: block;
            width: 100%;
            height: 1px;
            background: var(--border);
            margin: 50px 0 10px;
        }
        .article-body p {
            margin-bottom: 1.4em;
            text-align: justify;
        }
        .article-body h2 {
            font-size: 1.45rem;
            font-weight: 600;
            margin: 1.8em 0 0.7em;
            padding-bottom: 0.4em;
            border-bottom: 1px solid var(--border);
            position: relative;
            line-height: 1.4;
        }
        .article-body h2::before {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            width: 52px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        .article-body h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin: 1.6em 0 0.5em;
            color: var(--primary-dark);
            
            line-height: 1.5;
        }
        .article-body h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin: 1.4em 0 0.4em;
        }
        .article-body ul {
            list-style: none;
            margin: 1.2em 0;
            padding: 0;
        }
        .article-body ul > li {
            position: relative;
            padding-left: 22px;
            margin-bottom: 0.7em;
            line-height: 1.8;
        }
        .article-body ul > li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0.72em;
            width: 8px;
            height: 8px;
            border-radius: 2px;
            background: var(--primary);
            transform: rotate(45deg);
        }
        .article-body ol {
            list-style: none;
            counter-reset: article-counter;
            margin: 1.4em 0;
            padding: 0;
        }
        .article-body ol > li {
            counter-increment: article-counter;
            position: relative;
            padding-left: 36px;
            margin-bottom: 0.8em;
            line-height: 1.8;
        }
        .article-body ol > li::before {
            content: counter(article-counter);
            position: absolute;
            left: 0;
            top: 0.3em;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--bg-alt);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .article-body blockquote {
            margin: 1.5em 0;
            padding: 16px 20px 14px;
            background: var(--bg-alt);
            border-left: 4px solid var(--primary);
            border-radius: 0 12px 12px 0;
            color: var(--text-sub);
            font-style: normal;
        }
        .article-body blockquote p {
            margin-bottom: 0.5em;
        }
        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }
        .article-body img {
            border-radius: var(--radius-img);
            box-shadow: var(--shadow);
            margin: 1.5em 0 0.6em;
        }
        .article-body figcaption {
            font-size: 14px;
            color: var(--text-weak);
            text-align: center;
            margin-bottom: 1.2em;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 4px;
            text-decoration-color: rgba(42, 110, 142, 0.3);
        }
        .article-body a:hover {
            text-decoration-color: var(--accent);
            color: var(--accent-dark);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.6em 0;
        }
        .table-scroll {
            overflow-x: auto;
            margin: 1.6em 0;
        }
        .table-scroll table {
            margin: 0;
            min-width: 520px;
        }
        .article-body th {
            background: var(--bg-alt);
            font-weight: 600;
            text-align: left;
            padding: 12px 14px;
            border-bottom: 2px solid var(--border);
            font-size: 0.95rem;
        }
        .article-body td {
            padding: 11px 14px;
            border-bottom: 1px solid var(--border);
            font-size: 0.93rem;
        }
        .article-body tr:hover td {
            background: #F9FCFE;
        }
        .article-body code {
            background: var(--bg-alt);
            padding: 2px 8px;
            border-radius: 5px;
            font-size: 0.9em;
            font-family: "SF Mono", Consolas, "Liberation Mono", monospace;
        }
        .article-body pre {
            background: #162A36;
            color: #d6e9f0;
            padding: 22px 20px;
            border-radius: 12px;
            overflow-x: auto;
            margin: 1.6em 0;
            line-height: 1.7;
        }
        .article-body pre code {
            background: transparent;
            padding: 0;
            color: inherit;
        }
        .article-body strong {
            color: var(--text);
            font-weight: 600;
        }

        /* Article footer tags & bar */
        .article-bottom-bar {
            max-width: 760px;
            margin: 22px auto 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: 20px;
        }
        .art-bottom-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tag-chip {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 30px;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-sub);
            font-size: 13px;
        }
        .return-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 500;
            color: var(--primary);
            font-size: 15px;
        }
        .return-link:hover {
            color: var(--accent-dark);
        }

        /* ========== Related Posts ========== */
        .related-sec {
            padding: var(--space-section-sm) 0;
            background: var(--bg-alt);
        }
        .related-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 30px;
            gap: 20px;
        }
        .related-head h2 {
            font-size: clamp(1.4rem, 2vw, 1.8rem);
            font-weight: 600;
            margin: 0;
        }
        .related-sub {
            color: var(--text-sub);
            font-size: 15px;
            max-width: 400px;
        }
        .rel-card-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .rel-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            text-decoration: none;
        }
        .rel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .rel-card .rel-thumb {
            aspect-ratio: 16 / 9;
            background: var(--bg-alt);
            overflow: hidden;
            display: block;
        }
        .rel-card .rel-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
        .rel-content {
            padding: 22px 22px 26px;
            display: block;
        }
        .rel-cat {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 20px;
            background: var(--bg-alt);
            margin-bottom: 10px;
        }
        .rel-title {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 8px;
            display: block;
        }
        .rel-card:hover .rel-title {
            color: var(--primary);
        }
        .rel-date {
            color: var(--text-weak);
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* ========== CTA Band ========== */
        .article-cta {
            padding: calc(var(--space-section-sm)) 0;
            background: var(--white);
        }
        .cta-banner {
            background: linear-gradient(120deg, #163B4D, #2A6E8E);
            border-radius: 18px;
            padding: 48px clamp(24px, 5vw, 56px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.08);
        }
        .cta-banner::after {
            content: '';
            position: absolute;
            right: 40px;
            bottom: -100px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            border: 3px solid rgba(255, 255, 255, 0.06);
        }
        .cta-banner-text {
            color: #fff;
            position: relative;
            z-index: 2;
            flex: 1;
            min-width: 240px;
        }
        .cta-banner-text h2 {
            color: #fff;
            font-size: clamp(1.3rem, 2.2vw, 1.7rem);
            font-weight: 600;
            margin-bottom: 6px;
        }
        .cta-banner-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            max-width: 500px;
            margin-bottom: 0;
        }
        .btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-btn);
            transition: all .2s ease;
            line-height: 1;
            cursor: pointer;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(200, 132, 42, 0.3);
        }
        .btn-outline-light {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.55);
            color: #fff;
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }

        /* ========== Shared Footer ========== */
        .site-footer {
            background: #E3EEF5;
            padding: 54px 0 90px;
        }
        .footer-grid {
            display: flex;
            gap: 56px;
            flex-wrap: wrap;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(42, 110, 142, 0.12);
        }
        .footer-brand {
            flex: 5;
            min-width: 240px;
        }
        .footer-brand .brand {
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .footer-brand p {
            color: var(--text-sub);
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 14px;
            font-size: 14px;
        }
        .footer-nav-groups {
            flex: 7;
            display: flex;
            justify-content: flex-end;
            gap: 48px;
            flex-wrap: wrap;
        }
        .footer-nav-groups > div h3 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 18px;
            color: var(--text);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-nav-groups > div h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            border-radius: 4px;
            background: var(--primary);
            opacity: 0.5;
        }
        .footer-nav-groups > div ul li {
            margin-bottom: 10px;
        }
        .footer-nav-groups > div ul li a {
            color: var(--text-sub);
            font-size: 14px;
            line-height: 1.5;
            transition: color .2s ease, padding-left .2s ease;
        }
        .footer-nav-groups > div ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 22px;
            font-size: 13px;
            color: var(--text-weak);
            flex-wrap: wrap;
            gap: 8px;
        }
        .domain {
            font-weight: 500;
        }

        /* ========== Fixed CTA Bar ========== */
        .fixed-cta-bar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--white);
            border-top: 1px solid var(--border);
            box-shadow: 0 -2px 12px rgba(45, 81, 100, 0.06);
            z-index: 120;
            display: block;
        }
        .fixed-cta-cnt {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 20px;
            min-height: 56px;
            gap: 16px;
        }
        .fixed-cta-txt {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--text);
            font-size: 14px;
        }
        .fixed-cta-txt .txt-hl {
            color: var(--primary);
            font-weight: 600;
        }
        .fixed-cta-btn {
            background: var(--accent);
            color: #fff;
            padding: 10px 28px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background .2s ease, transform .2s ease, box-shadow .2s ease;
            display: inline-block;
        }
        .fixed-cta-btn:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 14px rgba(200, 132, 42, 0.22);
        }
        .fixed-cta-bar.hidden-mobile {
            display: block;
        }
        .fixed-cta-bar.ms-2 {
            padding: 6px 0;
        }
        .fixed-cta-bar.ms-2 .fixed-cta-cnt {
            padding-top: 8px;
            padding-bottom: 8px;
        }
        .fixed-cta-bar.ms-2 .fixed-cta-txt span:not(.txt-hl) {
            display: flex;
            gap: 8px;
            font-size: 13px;
            line-height: 1.2;    
        }
        .fixed-cta-bar.ms-2 .fixed-cta-btn {
            padding: 7px 16px;
            font-size: 13px;
        }
        body {
            padding-bottom: 56px;
        }
        .site-footer {
            margin-bottom: 56px;
        }

        /* ========== Empty status ========== */
        .not-found-sec {
            padding: var(--space-section) 0;
            min-height: 48vh;
            text-align: center;
        }
        .nf-status {
            width: 200px;
            margin: 0 auto 20px;
            background: var(--bg-alt);
            border-radius: 50%;
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
        }
        .nf-status svg {
            width: 72px;
            height: 72px;
        }
        .not-found-sec h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 8px;
        }
        .not-found-sec h1 {
            color: var(--text);
            font-size: 1.5rem;
            font-weight: 600;
        }
        .nf-desc {
            color: var(--text-sub);
            margin-bottom: 20px;
            font-size: 15px;
        }
        .nf-back-hm {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-dark-outline {
            background: transparent;
            padding: 10px 22px;
            font-size: 14px;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-btn);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            line-height: 1;
        }
        .btn-dark-outline:hover {
            background: rgba(42, 110, 142, 0.05);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ========== Responsive ========== */
        @media screen and (max-width: 1024px) {
            .site-nav {
                gap: 24px;
            }
            .rel-card-row {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 768px) {
            .header-inner {
                min-height: 60px;
                padding: 0 16px;
            }
            .site-header {
                position: sticky;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .site-nav {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                padding: 10px 16px 18px;
                display: none;
                box-shadow: var(--shadow-drop);
            }
            .site-nav.open {
                display: flex;
            }
            .nav-link {
                display: block;
                width: 100%;
                padding: 13px 14px;
                border-radius: 8px;
                font-size: 16px;
            }
            .nav-link::after {
                display: none;
            }
            .nav-link:hover {
                background: var(--bg);
            }
            .nav-link.active {
                background: var(--bg-alt);
                color: var(--primary);
            }
            .article-banner {
                padding: 36px 0 30px;
            }
            .article-body-sec {
                padding: 18px 0;
            }
            .article-main-wrap {
                padding: 24px 18px 18px;
                border-radius: 12px;
            }
            .article-body {
                font-size: 16px;
            }
            .article-bottom-bar {
                flex-direction: column;
                align-items: flex-start;
                padding-top: 14px;
            }
            .footer-grid {
                flex-direction: column;
                gap: 30px;
                padding-bottom: 28px;
            }
            .footer-nav-groups {
                justify-content: flex-start;
                gap: 34px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .fixed-cta-cnt {
                padding: 8px 14px;
            }
            .fixed-cta-txt {
                font-size: 13px;
                gap: 6px;

            }
            .rel-card-row {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .rel-head {
                flex-direction: column;
                gap: 10px;
            }
            .site-footer {
                padding-bottom: 82px;
            }
            .cta-banner {
                padding: 30px 22px 26px;
                display: block;
            }
            .cta-banner-text {
                margin-bottom: 18px;
            }
            .fixed-cta-bar.ms-2 .fixed-cta-txt {
                font-size: 13px;
            }
        }
        @media screen and (max-width: 520px) {
            .brand {
                font-size: 1.05rem;
            }
            .brand-icon {
                width: 32px;
                height: 32px;
            }
            .header-inner {
                gap: 8px;
            }
            .site-nav {
                padding-left: 10px;
                padding-right: 10px;
            }
            .article-banner h1 {
                font-size: 1.4rem;
                line-height: 1.4;
            }
            .fixed-cta-txt .txt-hl {
                font-size: 13px;
            }
            .fixed-cta-txt {
                font-size: 12px;
            }
            .fixed-cta-btn {
                padding: 8px 18px;
                font-size: 13px;
            }
            .underline-red-text {
                text-align: right;
            }
        }

        /* ========== Reduced Motion ========== */
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
                scroll-behavior: auto !important;
            }
        }

/* roulang page: category2 */
:root{
  --primary:#2E6F8E;
  --primary-deep:#1C4E66;
  --primary-dark:#123749;
  --accent:#E8A33D;
  --bg:#F7FAFC;
  --card:#FFFFFF;
  --soft:#EAF3F8;
  --text:#1F2A33;
  --muted:#5B6E7A;
  --faint:#8CA1AE;
  --line:#E2ECF2;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-sm:0 6px 18px rgba(45,81,100,.06);
  --shadow-lg:0 14px 30px rgba(45,81,100,.10);
  --ease:.2s ease;
}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:1rem;
  line-height:1.7;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  padding-bottom:76px;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit}
svg{display:inline-block;vertical-align:middle}
.container{max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
.section{padding:90px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.875rem;letter-spacing:.06em;
  color:var(--primary);font-weight:600;
  margin-bottom:12px;
}
.eyebrow svg{width:18px;height:18px}
.section-title{
  font-size:clamp(1.6rem,2.6vw,2.4rem);
  font-weight:600;color:var(--text);
  line-height:1.3;margin:0 0 16px;
}
.section-intro{
  color:var(--muted);max-width:720px;
  margin:0 0 36px;font-size:1rem;
}

/* Site Header */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;
  background:var(--card);
  border-bottom:1px solid var(--line);
}
.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:1.15rem;color:var(--text)}
.brand-icon{
  width:34px;height:34px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--soft);color:var(--primary);
  flex:0 0 auto;
}
.brand-icon svg{width:24px;height:24px}
.site-nav{display:flex;align-items:center;gap:38px}
.nav-link{
  position:relative;font-size:1rem;font-weight:500;color:var(--text);
  padding:8px 2px;line-height:1.4;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:auto;bottom:0;
  width:0;height:2px;background:var(--primary);
  transition:width .2s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link:focus-visible,.btn:focus-visible,a:focus-visible,button:focus-visible{
  outline:3px solid rgba(46,111,142,.32);outline-offset:3px;border-radius:4px;
}
.nav-link.active{color:var(--primary);font-weight:600;cursor:default}
.nav-link.active::after{width:100%}
.nav-toggle{display:none;border:0;background:transparent;width:44px;height:44px;border-radius:10px;cursor:pointer;color:var(--text);justify-content:center;align-items:center}
.nav-toggle svg{width:24px;height:24px}

/* Page Hero */
.cat-hero{
  position:relative;
  background:linear-gradient(140deg,#173F52 0%,#1E586F 58%,#2E6F8E 100%);
  color:#fff;overflow:hidden;
  padding:88px 0 84px;
}
.hero-bg{position:absolute;inset:0;background-position:center;background-size:cover;opacity:.16;z-index:0}
.cat-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border:52px solid rgba(255,255,255,.04);border-radius:50%;z-index:0;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.breadcrumb-inline{display:flex;align-items:center;gap:9px;font-size:.875rem;color:rgba(255,255,255,.76);margin-bottom:26px}
.breadcrumb-inline a{color:rgba(255,255,255,.9);transition:color .2s}
.breadcrumb-inline a:hover{color:var(--accent)}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.9rem;font-weight:600;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  padding:6px 14px;border-radius:999px;
  margin-bottom:22px;
}
.hero-eyebrow svg{width:18px;height:18px;color:var(--accent)}
.cat-hero h1{
  font-size:clamp(2.25rem,4.2vw,3.5rem);
  font-weight:700;line-height:1.16;margin:0 0 18px;
  letter-spacing:.01em;
}
.hero-lead{
  font-size:1.125rem;max-width:620px;
  color:rgba(255,255,255,.84);
  margin:0 0 32px;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:34px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:var(--radius-btn);
  padding:12px 28px;font-size:.95rem;font-weight:600;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn svg{width:18px;height:18px;margin-left:8px}
.btn-primary{background:var(--card);color:var(--primary-deep)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.18);color:var(--primary)}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5)}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-deep{background:var(--primary);color:#fff}
.btn-deep:hover{background:var(--primary-deep);transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;color:rgba(255,255,255,.92);
  font-size:.85rem;padding:6px 14px;
}
.chip svg{width:15px;height:15px;color:var(--accent)}

/* Guide Cards */
.guide-section{background:var(--bg)}
.guide-grid{display:grid;grid-template-columns:1.15fr .85fr .9fr;gap:22px}
.guide-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-sm);
  padding:30px;position:relative;display:flex;flex-direction:column;gap:8px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.guide-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:rgba(46,111,142,.25)}
.guide-icon{
  width:48px;height:48px;border-radius:14px;
  background:var(--soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;margin-bottom:6px;
}
.guide-icon svg{width:26px;height:26px}
.guide-card h3{font-size:1.2rem;font-weight:600;margin:0;color:var(--text)}
.guide-card p{color:var(--muted);margin:0;font-size:.92rem}
.guide-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:.9rem;
  padding-top:13px;
}
.guide-link svg{width:16px;height:16px;transition:transform .2s ease}
.guide-link:hover svg{transform:translateX(4px)}

/* Split Editorial */
.editorial-section{background:var(--card)}
.split-panel{
  border-radius:20px;overflow:hidden;
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
}
.split-image-wrap{position:relative;min-height:340px;height:100%;background:var(--soft)}
.split-image-wrap img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.image-caption{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(15,42,56,.76);color:#fff;
  font-size:.8rem;padding:8px 14px;border-radius:10px;
}
.topic-list{list-style:none;margin:0;padding:0;display:grid;gap:28px}
.topic-list li{display:flex;gap:16px;align-items:flex-start}
.topic-index{
  width:42px;height:42px;flex:0 0 auto;
  border-radius:50%;background:var(--soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:.98rem;
  border:1px solid rgba(46,111,142,.18);
}
.topic-list h3{font-size:1.08rem;font-weight:600;margin:2px 0 4px}
.topic-list p{color:var(--muted);margin:0;font-size:.95rem}
.topic-note{
  margin-top:32px;border-left:3px solid var(--accent);
  background:#FFF9EE;padding:18px 22px;border-radius:0 14px 14px 0;
  color:var(--text);font-size:.95rem;
}

/* Workflow Deep Section */
.process-section{
  background:linear-gradient(140deg,#12313F,#1C4E66);
  color:#fff;position:relative;overflow:hidden;
}
.process-section .section-title{color:#fff}
.process-section .eyebrow{color:var(--accent)}
.process-section .section-intro{color:rgba(255,255,255,.74)}
.workflow{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:14px;
}
.workflow::before{
  content:"";position:absolute;top:46px;left:10%;right:10%;
  height:1px;background:rgba(255,255,255,.24);z-index:1;
}
.workflow-step{position:relative;padding:0 16px;z-index:2;text-align:center}
.step-circle{
  width:92px;height:92px;margin:0 auto 18px;
  border-radius:26px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);font-size:1.5rem;font-weight:600;
  box-shadow:0 0 0 7px rgba(255,255,255,.04);
}
.workflow-step:nth-child(2){transform:translateY(8px)}
.workflow-step:nth-child(4){transform:translateY(8px)}
.step-label{font-size:1.02rem;font-weight:600;color:#fff;margin-bottom:8px}
.workflow-step p{font-size:.9rem;color:rgba(255,255,255,.78);line-height:1.65;margin:0;max-width:240px;margin-left:auto;margin-right:auto}

/* Accordion FAQ */
.accordion-faq{background:var(--bg)}
.accordion{
  background:transparent;border:0;margin:0;
}
.accordion-item{
  background:var(--card);border:1px solid var(--line);
  border-radius:14px;box-shadow:var(--shadow-sm);
  padding:0;margin-bottom:16px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.accordion-item.is-active{border-color:rgba(46,111,142,.28);box-shadow:var(--shadow-lg)}
.accordion-title{
  display:flex;align-items:center;justify-content:space-between;
  padding:22px 28px;font-size:1.03rem;font-weight:600;
  color:var(--text);background:transparent;
  margin:0;cursor:pointer;position:relative;border:0;line-height:1.5;
  text-decoration:none;
}
.accordion-title:hover,.accordion-title:focus{color:var(--primary);background:var(--soft)}
.accordion-title::after{
  content:"";width:10px;height:10px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(45deg);transition:transform .25s ease;
  flex:0 0 auto;margin-left:20px;
}
.accordion-item.is-active > .accordion-title::after{transform:rotate(-135deg)}
.accordion-content{padding:0 28px 24px;color:var(--muted);font-size:.94rem;line-height:1.8;display:none}
.accordion-item.is-active .accordion-content{display:block}
.accordion-link{color:var(--primary);font-weight:500}
.accordion-link:hover{color:var(--accent);text-decoration:underline}

/* CTA Band */
.final-cta{
  background:linear-gradient(135deg,#EAF3F8 0%,#F7FAFC 45%,#FFF4DE 100%);
  border-top:1px solid var(--line);
  padding:100px 0;
  text-align:center;
}
.cta-inner{max-width:760px;margin:0 auto}
.cta-icon{
  width:62px;height:62px;border-radius:20px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.cta-icon svg{width:32px;height:32px}
.cta-inner h2{
  font-size:clamp(1.7rem,3vw,2.5rem);font-weight:600;color:var(--text);
  margin:0 0 18px;line-height:1.3;
}
.cta-inner p{color:var(--muted);max-width:560px;margin:0 auto 32px}
.cta-button-row{display:flex;flex-wrap:wrap;gap:16px;justify-content:center}

/* Footer */
.site-footer{
  background:#EEF4F8;border-top:1px solid var(--line);
  padding:64px 0 36px;
}
.footer-grid{display:grid;grid-template-columns:5.5fr 6.5fr;gap:48px}
.footer-brand p{font-size:.95rem;color:var(--muted);margin:20px 0 0;line-height:1.75}
.footer-nav-groups{display:flex;gap:40px;justify-content:flex-end}
.footer-nav-groups h3{
  font-size:.95rem;font-weight:600;color:var(--text);
  margin:0 0 18px;
}
.footer-nav-groups ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-nav-groups a{font-size:.92rem;color:var(--muted);transition:color .2s ease}
.footer-nav-groups a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:54px;padding-top:24px;
  border-top:1px solid #DCE7EE;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  color:var(--faint);font-size:.875rem;
}
.domain{letter-spacing:.05em}

/* Fixed Bottom Conversion */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -6px 20px rgba(45,81,100,.06);
  padding:12px 0;
}
.fixed-bar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.fixed-text{color:var(--text);font-weight:600;font-size:.95rem}
.fixed-text span{display:block;font-weight:400;color:var(--muted);font-size:.82rem;margin-top:2px}
.fixed-btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--primary);color:#fff;
  padding:10px 26px;border-radius:var(--radius-btn);
  font-weight:600;font-size:.9rem;transition:background .2s ease,transform .2s ease;
}
.fixed-btn:hover{background:var(--primary-deep);transform:translateY(-2px)}
.fixed-btn svg{width:17px;height:17px}

@media(max-width:1024px){
  .workflow{grid-template-columns:repeat(2,1fr);gap:38px 14px}
  .workflow::before{display:none}
  .workflow-step:nth-child(2),.workflow-step:nth-child(4){transform:none}
  .guide-grid{grid-template-columns:1fr 1fr}
  .container{padding-left:20px;padding-right:20px}
}
@media(max-width:840px){
  .site-header{height:60px}
  .site-nav{
    position:absolute;top:60px;left:0;right:0;z-index:59;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;display:none;
    padding:18px 24px 26px;
    border-bottom:1px solid var(--line);
    box-shadow:0 14px 30px rgba(45,81,100,.08);
  }
  .site-nav.is-open{display:flex}
  .nav-toggle{display:inline-flex}
  .nav-link{padding:13px 12px;border-radius:10px;white-space:normal}
  .nav-link.active{background:var(--soft)}
  .nav-link::after{display:none}
  .guide-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-nav-groups{justify-content:flex-start}
}
@media(max-width:640px){
  .section{padding:62px 0}
  .cat-hero{padding:56px 0 60px}
  .workflow{grid-template-columns:1fr;gap:36px 0}
  .step-circle{width:76px;height:76px;border-radius:22px}
  .fixed-text{font-size:.88rem;line-height:1.4}
  .fixed-bar-inner{flex-direction:column;align-items:stretch;text-align:center}
  .fixed-bar{padding-bottom:10px}
  body{padding-bottom:120px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}