/* roulang page: index */
:root{
  --primary:#2E6FD8;
  --primary-deep:#1D55B8;
  --primary-dark:#17458F;
  --primary-soft:#EAF2FD;
  --page:#F7FAFD;
  --card:#FFFFFF;
  --alt:#F1F7FC;
  --ink:#1F3A5F;
  --text:#3D5A7E;
  --muted:#7B92AA;
  --line:#E0E9F4;
  --line-soft:#EAF1F8;
  --amber:#FF8A3D;
  --green:#12B77A;
  --red-soft:#FF6B6B;
  --radius:18px;
  --radius-s:10px;
  --shadow:0 1px 2px rgba(23,56,92,.03),0 8px 24px rgba(23,56,92,.06);
  --shadow-hover:0 2px 4px rgba(23,56,92,.04),0 14px 32px rgba(23,56,92,.10);
  --shadow-active:0 1px 2px rgba(23,56,92,.05),0 6px 16px rgba(23,56,92,.08);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei UI","HarmonicOS Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--page);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease}
img{max-width:100%;display:block}
button,input,textarea{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;padding:12px 24px;
  border-radius:999px;border:1px solid transparent;cursor:pointer;
  min-height:46px;transition:background .2s,color .2s,box-shadow .2s,transform .2s,border-color .2s;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(46,111,216,.24)}
.btn-primary:hover{background:var(--primary-deep)}
.btn-secondary{background:#fff;border-color:#D6E2F0;color:var(--primary);min-height:44px}
.btn-secondary:hover{background:var(--primary-soft);border-color:var(--primary)}
.btn-white{background:#fff;color:var(--primary-deep)}
.btn-white:hover{background:#EAF2FD}
.btn-xl{min-height:56px;padding:16px 42px;font-size:17px}
.btn-muted{background:#F7FAFD;color:#28476E;border-color:#D7E3F2;font-weight:500}
.btn-muted:hover{background:var(--primary-soft);color:var(--primary-deep)}
.btn .arr{width:18px;height:18px;transition:transform .2s}
.btn:hover .arr{transform:translateX(3px)}
.btn-primary:disabled{background:#A8C1E1;box-shadow:none;cursor:not-allowed;transform:none}
.text-link{color:var(--muted);font-weight:500;border-bottom:1px solid transparent}
.text-link:hover{color:var(--primary);border-color:var(--primary)}

/* ===== Chips ===== */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--primary-soft);
  color:var(--primary-deep);font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:999px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;background:#fff;
  border:1px solid var(--line);color:var(--muted);
  font-size:12px;padding:3px 10px;border-radius:999px;
}
.status-ok{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 3px rgba(18,183,122,.16);display:inline-block}
.status-blue{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px rgba(46,111,216,.16);display:inline-block}

/* ===== Section ===== */
.section{padding:92px 0}
.section-alt{background:var(--alt)}
.sec-head{max-width:820px;margin-bottom:48px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head .eyebrow{margin-bottom:14px}
.sec-rule{
  width:120px;height:3px;border-radius:3px;margin-top:18px;
  background:linear-gradient(90deg,var(--primary) 0,rgba(46,111,216,.08) 90%);
}
.center .sec-rule{margin-left:auto;margin-right:auto}
.sec-title{font-size:34px;line-height:1.32;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.sec-sub{font-size:16px;color:var(--muted);line-height:1.8;margin-top:12px}
@media(max-width:768px){
  .section{padding:62px 0}
  .sec-title{font-size:26px}
  .sec-sub{font-size:15px}
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:120;padding:14px 0 8px;
  background:linear-gradient(180deg,var(--page) 20%,rgba(247,250,253,.55) 80%);
  transition:background .3s ease;
}
.site-nav{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(224,233,244,.8);
  border-radius:22px;padding:10px 14px 10px 20px;
  box-shadow:0 2px 6px rgba(23,56,92,.04),0 16px 36px rgba(23,56,92,.08);
  min-height:66px;
  transition:box-shadow .3s;
}
.brand{display:inline-flex;align-items:center;gap:11px;min-width:0}
.brand-icon{
  flex:0 0 38px;width:38px;height:38px;border-radius:12px;
  background:linear-gradient(145deg,var(--primary),var(--primary-deep));
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:0 4px 10px rgba(46,111,216,.2);
}
.brand-icon svg{width:20px;height:20px}
.brand-name{
  font-weight:700;color:var(--ink);font-size:18px;letter-spacing:-.01em;
  white-space:nowrap; overflow:hidden;text-overflow:ellipsis;
}
.brand-name small{font-weight:600;color:var(--primary);display:inline;font-size:17px}
.nav-drawer{display:flex;align-items:center;gap:4px}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:#3E5C7D;white-space:nowrap;line-height:1.4;border:1px solid transparent;
}
.nav-link:hover{color:var(--primary-deep);background:#F1F6FC}
.nav-link.current{
  background:var(--primary-soft);color:var(--primary-deep);
  font-weight:600;
}
.nav-cta{
  margin-left:8px;background:var(--primary);color:#fff;
  border-radius:999px;padding:10px 22px;font-weight:600;font-size:14.5px;
  transition:all .2s;box-shadow:0 6px 14px rgba(46,111,216,.22);
  white-space:nowrap;
}
.nav-cta:hover{background:var(--primary-deep);transform:translateY(-1px);color:#fff}
.drawer-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;cursor:pointer;flex-direction:column;gap:5px;
}
.drawer-toggle span{width:20px;height:2px;background:var(--ink);border-radius:99px;transition:.2s;display:block}
body.nav-open .drawer-toggle span:nth-child(1){transform:translateY(3.5px) rotate(45deg)}
body.nav-open .drawer-toggle span:nth-child(2){transform:translateY(-3.5px) rotate(-45deg)}
@media(max-width:1024px){
  .drawer-toggle{display:inline-flex}
  .nav-drawer{
    position:absolute;top:calc(100% + 10px);left:0;right:0;z-index:80;
    background:#fff;border-radius:20px;border:1px solid var(--line);
    box-shadow:var(--shadow-hover);padding:16px;gap:6px;
    flex-direction:column;align-items:stretch;
    max-height:80vh;overflow:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:all .24s ease;
  }
  body.nav-open .nav-drawer{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{padding:14px 16px;font-size:15px;border-radius:14px}
  .nav-link.current{background:var(--primary-soft)}
  .nav-cta{margin:6px 0 0;justify-content:center;display:inline-flex;padding:14px}
}
@media(max-width:480px){
  .site-header{padding-top:8px}
  .site-nav{border-radius:18px;padding:8px}
  .brand-name{font-size:16px;max-width:65vw}
  .nav-cta{padding-left:16px;padding-right:16px}
}

/* ===== Hero ===== */
.hero{padding:56px 0 80px;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;width:560px;height:560px;border-radius:50%;
  background:rgba(46,111,216,.09);filter:blur(90px);right:-140px;top:30px;
}
.hero::after{
  content:"";position:absolute;width:360px;height:360px;border-radius:50%;
  background:rgba(255,138,61,.08);filter:blur(76px);left:-120px;bottom:-60px;
}
.hero-inner{
  position:relative;z-index:3;display:grid;grid-template-columns:1.04fr .96fr;
  align-items:center;gap:54px;
}
.hero-copy{padding-top:20px}
.hero-tag{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);color:var(--text);
  font-size:13px;padding:8px 16px;border-radius:999px;
  box-shadow:0 2px 10px rgba(23,56,92,.04);
}
.hero-title{font-size:46px;line-height:1.23;font-weight:800;letter-spacing:-.02em;margin-top:24px}
.hero-title .word{color:var(--primary-deep)}
.hero-mainline{
  font-size:22px;font-weight:600;color:#4A6785;margin-top:12px;letter-spacing:-.005em;
}
.hero-sub{font-size:16px;line-height:1.95;color:var(--muted);max-width:610px;margin-top:20px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.hero-meta{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line-soft)}
.hero-meta li{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted)}
.hero-meta .mini-icon{
  width:25px;height:25px;border-radius:50%;background:var(--primary-soft);color:var(--primary-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;
}
.hero-visual{position:relative}
.hero-visual .main-img{
  border-radius:24px;box-shadow:0 10px 26px rgba(28,62,98,.12),var(--shadow);
  border:1px solid #DFE8F3;width:100%;height:400px;object-fit:cover;background:var(--alt);
}
.float-card{
  position:absolute;background:#fff;border:1px solid rgba(255,255,255,.68);
  box-shadow:var(--shadow-hover);border-radius:16px;padding:13px 16px;
  display:flex;align-items:center;gap:10px;
  font-size:13.5px;color:var(--ink);font-weight:600;
  backdrop-filter:blur(6px);
}
.float-card small{display:block;font-size:12px;color:var(--muted);font-weight:400}
.float-card--top{top:26px;left:-18px}
.float-card--bottom{bottom:34px;right:12px}
@media(max-width:1024px){
  .hero{padding:44px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:38px}
  .hero-visual{max-width:700px}
}
@media(max-width:640px){
  .hero-title{font-size:30px}
  .hero-mainline{font-size:18px}
  .hero-actions .btn{width:100%}
  .hero-actions{gap:10px}
  .hero-visual .main-img{height:260px}
  .float-card{padding:9px 11px}
  .float-card--top{left:4px;top:12px}
  .float-card--bottom{right:4px}
}

/* ===== Path cards ===== */
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:path}
.path-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:30px 26px;position:relative;
  transition:transform .2s,box-shadow .24s;
}
.path-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.path-icon{
  width:52px;height:52px;border-radius:16px;background:var(--primary-soft);
  color:var(--primary-deep);display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.path-icon svg{width:28px;height:28px}
.path-card h3{font-size:20px;font-weight:700;margin-bottom:8px}
.path-card p{font-size:14px;color:var(--text);line-height:1.9}
.path-num{
  position:absolute;right:22px;top:20px;font-size:28px;font-weight:800;
  color:#E9F1FA;letter-spacing:-.02em;
}
.path-up{margin-top:30px;text-align:center}
@media(max-width:880px){
  .path-grid{grid-template-columns:1fr;}
}

/* ===== Directory tiles ===== */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.dir-card{
  background:var(--card);border:1px solid var(--line);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s,box-shadow .25s;
}
.dir-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.dir-card:hover .dir-title{color:var(--primary-deep)}
.dir-media{position:relative;aspect-ratio:16/8;background:var(--alt);overflow:hidden}
.dir-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.dir-card:hover .dir-media img{transform:scale(1.03)}
.dir-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(16,39,69,.08))}
.dir-body{padding:22px 24px 24px;position:relative}
.dir-title{font-size:20px;font-weight:700;color:var(--ink);transition:color .2s}
.dir-body p{font-size:14px;color:var(--text);margin-top:8px;line-height:1.8}
.dir-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  color:var(--primary);font-size:14px;font-weight:600;
}
.dir-link svg{width:16px;height:16px;transition:transform .2s}
.dir-card:hover .dir-link svg{transform:translateX(4px)}
@media(max-width:880px){.dir-grid{grid-template-columns:1fr}}
@media(min-width:600px) and (max-width:960px){.dir-grid{grid-template-columns:1fr 1fr}}

/* ===== Steps ===== */
.steps-shell{position:relative}
.steps-grid{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px;
  position:relative;
}
.steps-grid::before{
  content:"";position:absolute;height:2px;top:68px;left:15%;right:15%;
  border-top:2px dashed #C9DCEF;
}
.step-item{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  box-shadow:var(--shadow);padding:34px 26px;position:relative;
  transition:box-shadow .2s,transform .2s;
}
.step-item:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.step-inner{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.step-count{
  width:62px;height:62px;border-radius:20px;background:var(--primary-soft);
  color:var(--primary-deep);font-weight:800;font-size:22px;display:flex;align-items:center;justify-content:center;
  letter-spacing:.01em;
}
.step-label{color:var(--muted);font-size:13px;letter-spacing:.08em}
.step-item h3{font-size:20px;margin:14px 0 8px;font-weight:700}
.step-item p{font-size:14px;color:var(--text);line-height:2;margin:0}
.step-arrow{
  position:absolute;right:-27px;top:25%;color:#CFE0F2;z-index:2;display:none;
}
@media(min-width:1060px){
  .step-arrow{display:block}
}
@media(max-width:980px){
  .steps-grid{grid-template-columns:1fr;gap:20px}
  .steps-grid::before{display:none}
}

/* ===== Proof / Metrics ===== */
.proof-wrap{display:grid;grid-template-columns:.7fr 1.3fr;gap:28px;align-items:start}
.brief-card{
  background:var(--primary-deep);border-radius:24px;padding:36px 32px;color:#fff;
  position:relative;overflow:hidden;
}
.brief-card::after{content:"";position:absolute;width:140px;height:140px;background:rgba(255,255,255,.1);border-radius:50%;right:-36px;bottom:-36px}
.brief-card h3{font-size:21px;line-height:1.5;letter-spacing:.01em;font-weight:700;margin-bottom:18px}
.brief-card-link{margin-top:28px;color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:9px 20px;display:inline-block;font-size:14px}
.brief-card-link:hover{background:#fff;color:var(--primary-deep)}
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:var(--shadow)}
.metric-num{font-size:34px;font-weight:800;letter-spacing:-.02em;color:var(--primary-dark)}
.metric-num span{font-size:15px;font-weight:600;color:var(--muted);margin-left:2px}
.metric-label{color:var(--muted);font-size:13px;margin-top:6px}
.case-list{grid-column:1/-1;display:flex;flex-direction:column;gap:14px;margin-top:8px}
.case-row{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:22px 24px;display:flex;gap:18px;align-items:flex-start;
  box-shadow:var(--shadow);transition:box-shadow .2s;
}
.case-row:hover{box-shadow:var(--shadow-hover)}
.role-badge{
  flex:0 0 auto;border-radius:999px;background:var(--primary-soft);color:var(--primary-deep);
  font-size:13px;font-weight:600;padding:6px 14px;
}
.case-row blockquote p{color:var(--text);font-size:15px;line-height:1.85}
.case-from{color:var(--muted);font-size:13px;margin-top:8px}
@media(max-width:990px){
  .proof-wrap{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr 1fr 1fr}
}
@media(max-width:640px){.metrics-grid{grid-template-columns:1fr;gap:10px}}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:.8fr 1.4fr;gap:48px}
.faq-side{position:sticky;top:110px;align-self:start}
.faq-support{
  margin-top:28px;background:#fff;border:1px solid var(--line);
  border-radius:18px;padding:22px;
}
.faq-support h4{font-size:17px;margin-bottom:8px}
.faq-support p{font-size:14px;color:var(--text)}
.faq-support .btn{margin-top:16px;width:100%}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow);overflow:hidden;
}
.faq-item summary{
  list-style:none;padding:20px 52px 20px 24px;cursor:pointer;position:relative;
  display:flex;align-items:center;gap:12px;user-select:none;
  color:var(--ink);font-weight:600;font-size:16px;line-height:1.5;
  transition:background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:#FBFDFF}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .22s;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg)}
.faq-a{padding:0 24px 22px;color:var(--text);font-size:15px;line-height:2}
.faq-a p+a{margin-top:10px;display:inline-block}
@media(max-width:900px){
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
}

/* ===== News ===== */
.news-card-shell{
  background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
  padding:34px;overflow:hidden;
}
.news-split{display:grid;grid-template-columns:1.25fr .8fr;gap:34px}
.news-feature{
  display:flex;flex-direction:column;background:var(--card);border-radius:18px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);transition:box-shadow .24s;
}
.news-feature:hover{box-shadow:var(--shadow-hover)}
.news-feature-img{aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.news-feature-img img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.news-feature:hover .news-feature-img img{transform:scale(1.025)}
.news-feature-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.news-feature-title{font-size:22px;font-weight:700;line-height:1.5;margin:12px 0 8px;color:var(--ink);transition:color .2s}
.news-feature:hover .news-feature-title{color:var(--primary-deep)}
.news-excerpt{font-size:14px;color:var(--muted);line-height:2;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-item-list{display:flex;flex-direction:column;gap:12px}
.news-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:17px 18px;
  display:flex;flex-direction:column;gap:7px;transition:box-shadow .2s,transform .2s;
}
.news-item:hover{box-shadow:var(--shadow-hover);transform:translateX(2px)}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.news-list-title{font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;margin-top:8px;
}
.news-more svg{width:15px;height:15px;transition:transform .2s}
.news-more:hover svg{transform:translateX(3px)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:46px 20px;background:#F8FBFE;border:1.5px dashed #C7DAEC;
  border-radius:16px;color:var(--muted);font-size:15px;gap:10px;
}
.empty-state svg{width:34px;height:34px;color:#A9C1DC}
@media(max-width:960px){
  .news-split{grid-template-columns:1fr;gap:26px}
  .news-card-shell{padding:22px}
}
@media(max-width:560px){
  .news-feature-title{font-size:18px}
  .news-card-shell{padding:16px}
}

/* ===== Final CTA ===== */
.final-cta{padding:90px 0 110px}
.cta-wrap{
  background:var(--primary-dark);border-radius:28px;overflow:hidden;color:#fff;
  padding:0px;box-shadow:0 24px 56px rgba(24,55,92,.22);position:relative;
}
.cta-wrap::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(46,111,216,.54);filter:blur(60px);
}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr}
.cta-content{padding:64px}
.cta-eyebrow{display:inline-block;color:#BFD5F7;font-size:13px;font-weight:600;border:1px solid rgba(160,194,255,.3);border-radius:999px;padding:5px 14px;background:rgba(50,88,143,.24)}
.cta-title{font-size:33px;font-weight:800;line-height:1.4;margin-top:16px;letter-spacing:-.01em}
.cta-desc{color:#D6E5FA;margin-top:14px;font-size:16px;line-height:1.9;max-width:540px}
.cta-btn-row{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.cta-note{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:40px;
  color:#BBD2EA;font-size:13px;
}
.cta-note span{display:inline-flex;align-items:center;gap:6px}
.cta-note svg{width:15px;height:15px}
.cta-visual{
  min-height:320px;position:relative;
}
.cta-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--primary-dark) 0%,rgba(29,85,184,.12) 18%,rgba(9,40,84,.06) 100%)}
.cta-float{
  position:absolute;z-index:4;background:rgba(255,255,255,.92);border-radius:18px;
  color:var(--ink);padding:15px 20px;top:36px;right:28px;font-weight:600;font-size:14px;
  box-shadow:var(--shadow-hover);backdrop-filter:blur(8px);
}
.cta-float--bottom{top:auto;bottom:34px;right:52px;left:auto;border:1px solid #fff}
@media(max-width:990px){
  .cta-inner{grid-template-columns:1fr}
  .cta-content{padding:48px 36px}
  .cta-visual{min-height:200px}
  .cta-title{font-size:28px}
}
@media(max-width:640px){
  .cta-content{padding:38px 24px}
  .cta-title{font-size:24px}
  .cta-desc{font-size:15px}
  .cta-btn-row .btn{width:100%}
}

/* ===== Footer ===== */
.site-footer{background:#17304E;color:#BCD3EB;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand h3{color:#fff;font-size:19px;font-weight:700;display:flex;align-items:center;gap:8px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9FB9D6;margin-top:16px}
.footer-icon{
  width:34px;height:34px;background:linear-gradient(145deg,var(--primary),#5D8CDB);border-radius:10px;
  display:flex;align-items:center;justify-content:center;color:#fff;margin-right:2px;
}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:#A8BFDA;transition:color .2s;width:fit-content}
.footer-links a:hover{color:#fff}
.footer-contact li{font-size:14px;display:flex;gap:10px;margin-bottom:13px;color:#A8BFDA}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:22px 0;display:flex;
  flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#7F9EBC;
}
.footer-bottom a{color:#8FB3D3}
.footer-bottom a:hover{color:#fff}
@media(max-width:960px){
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:580px){
  .footer-grid{grid-template-columns:1fr}
}

/* ===== Float / extra ===== */
.divider-line{height:1px;background:var(--line-soft);border:0}
@media(max-width:560px){
  .btn-xl{width:100%;min-width:0}
  .hero-actions .btn-primary{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#2E6FD8;
  --brand-deep:#1D55B8;
  --brand-soft:#EAF2FD;
  --bg:#F7FAFD;
  --card:#FFFFFF;
  --alt:#F1F7FC;
  --title:#1F3A5F;
  --body:#4A6785;
  --muted:#7B92AA;
  --line:#E0E9F4;
  --line-strong:#CBD9EA;
  --gold:#FF8A3D;
  --success:#12B77A;
  --navy:#16324F;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-rest:0 1px 2px rgba(23,56,92,.03),0 8px 24px rgba(23,56,92,.06);
  --shadow-hover:0 2px 4px rgba(23,56,92,.04),0 14px 32px rgba(23,56,92,.1);
  --shadow-active:0 1px 2px rgba(23,56,92,.05),0 6px 16px rgba(23,56,92,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei UI","HarmonicOS Sans SC","Microsoft YaHei",system-ui,sans-serif;background:var(--bg);color:var(--body);font-size:16px;line-height:1.8;min-height:100vh}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
.container{max-width:1220px;margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
h1,h2,h3,h4{color:var(--title);font-weight:700;line-height:1.35}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#BCD2E8;border-radius:8px}
:focus-visible{outline:2px solid rgba(46,111,216,.7);outline-offset:3px;border-radius:6px}

/* header / nav */
.site-header{position:sticky;top:14px;z-index:300;padding:0 20px;pointer-events:none}
.site-nav{max-width:1180px;margin:0 auto 14px;display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;background:rgba(255,255,255,.94);border:1px solid rgba(224,233,244,.9);border-radius:60px;padding:0 12px 0 22px;box-shadow:0 1px 2px rgba(23,56,92,.04),0 12px 30px rgba(23,56,92,.08);backdrop-filter:blur(16px);pointer-events:auto;transition:box-shadow .22s var(--ease),transform .22s var(--ease)}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--title);font-weight:700;font-size:19px;white-space:nowrap}
.brand-icon{width:38px;height:38px;border-radius:13px;background:var(--brand-soft);color:var(--brand);display:inline-flex;align-items:center;justify-content:center;transition:background .2s var(--ease),transform .2s var(--ease)}
.brand-icon svg{width:22px;height:22px}
.brand:hover .brand-icon{background:#DCE9FB;transform:translateY(-1px)}
.brand small{display:block;font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--muted);background:#F4F8FD;border:1px solid var(--line);padding:1px 8px;border-radius:999px;margin-top:1px}
.nav-drawer{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.nav-link,.nav-cta{display:inline-block;padding:9px 16px;border-radius:999px;font-size:15px;line-height:1.5;color:var(--body);transition:background .18s var(--ease),color .18s var(--ease);border:1px solid transparent;white-space:nowrap}
.nav-link{background:transparent}
.nav-link:hover{color:var(--brand);background:#F2F7FE}
.nav-link.current{color:var(--brand-deep);background:var(--brand-soft);font-weight:600}
.nav-cta{background:var(--brand);color:#fff;font-weight:600;min-width:112px;text-align:center;box-shadow:0 8px 18px rgba(46,111,216,.18)}
.nav-cta:hover{background:var(--brand-deep);transform:translateY(-1px);color:#fff;box-shadow:0 10px 22px rgba(29,85,184,.22)}
.drawer-toggle{display:none;width:46px;height:46px;border:0;border-radius:16px;background:var(--brand-soft);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:6px}
.drawer-toggle span{width:20px;height:2px;border-radius:2px;background:var(--brand-deep);transition:transform .2s var(--ease)}
.drawer-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(4px) rotate(45deg)}
.drawer-toggle[aria-expanded="true"] span:nth-child(2){transform:translateY(-4px) rotate(-45deg)}
@media(max-width:1024px){
  .site-header{top:10px;padding:0 12px}
  .site-nav{min-height:64px;border-radius:46px;padding:0 12px 0 18px}
  .drawer-toggle{display:flex}
  .nav-drawer{position:absolute;top:calc(100% + 10px);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;border-radius:24px;padding:14px;gap:6px;border:1px solid var(--line);box-shadow:var(--shadow-hover);display:grid;grid-template-columns:1fr;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .2s var(--ease),transform .2s var(--ease)}
  .nav-drawer.open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-link{padding:12px 16px;font-size:16px}
  .nav-link.current{background:var(--brand-soft)}
  .nav-cta{margin-top:6px;text-align:center;padding:13px 16px}
}
@media(max-width:520px){
  .brand{font-size:16px}
  .brand-icon{width:34px;height:34px;border-radius:12px}
  .brand small{display:none}
  .nav-cta{min-width:0}
}

/* page hero */
.page-hero{position:relative;margin:24px auto 0;max-width:1220px;padding:44px 24px 46px;border-radius:28px;overflow:hidden;background:linear-gradient(110deg,#F2F8FF 0%,#EAF3FE 56%,#DDEBFA 100%);box-shadow:var(--shadow-rest)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.14;z-index:0}
.page-hero::after{content:"";position:absolute;inset:auto -80px -120px auto;width:340px;height:340px;border-radius:50%;background:rgba(46,111,216,.08);filter:blur(10px);z-index:0}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-crumb{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);background:rgba(255,255,255,.7);border:1px solid rgba(224,233,244,.8);border-radius:999px;padding:5px 14px;margin-bottom:20px}
.hero-crumb a{color:var(--brand-deep)}
.hero-crumb a:hover{color:var(--brand)}
.page-hero h1{font-size:44px;line-height:1.25;letter-spacing:-.02em;margin:0 0 18px;font-weight:800;color:var(--title)}
.page-hero h1 .brand-h1{color:var(--brand-deep);position:relative;display:inline-block}
.hero-sub{max-width:820px;font-size:17px;line-height:1.9;color:var(--body);margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px}
.hero-tags span{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.82);border:1px solid var(--line);color:var(--body);font-size:14px;padding:7px 16px;border-radius:999px;backdrop-filter:blur(6px)}
.hero-tags svg{width:16px;height:16px;color:var(--success)}
@media(max-width:768px){
  .page-hero{margin-top:14px;padding:32px 20px 36px;border-radius:22px}
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .hero-tags span{padding:5px 12px;font-size:13px}
}

/* main guide layout */
.guide-layout{padding:72px 0 22px}
.guide-grid{display:grid;grid-template-columns:260px minmax(0,1fr);gap:44px;align-items:start}
.guide-toc{position:sticky;top:110px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 18px;box-shadow:var(--shadow-rest)}
.toc-title{font-size:14px;font-weight:700;color:var(--title);padding:0 12px 12px;border-bottom:1px solid var(--line);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.toc-title svg{width:17px;height:17px;color:var(--brand)}
.guide-toc a.toc-link{display:block;padding:9px 12px 9px 16px;color:var(--body);font-size:15px;border-left:2px solid transparent;border-radius:6px 10px 10px 6px;margin-bottom:2px;transition:color .18s var(--ease),background .18s var(--ease)}
.guide-toc a.toc-link:hover{color:var(--brand);background:#F4F9FE;border-left-color:#C6DBF5}
.guide-toc a.toc-link.active{color:var(--brand-deep);background:var(--brand-soft);border-left-color:var(--brand);font-weight:600}
.toc-tip{background:#F6FAFE;border:1px dashed #C2D8F0;border-radius:12px;padding:12px;font-size:13px;color:var(--muted);margin-top:14px;line-height:1.7}
.guide-main{min-width:0}
.guide-note{background:#fff;border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:16px;padding:16px 20px;font-size:15px;color:var(--body);margin-bottom:36px}
.sec-block{background:#fff;border:1px solid var(--line);border-radius:20px;padding:40px 44px;margin-bottom:28px;box-shadow:var(--shadow-rest)}
.sec-block .sec-eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand-deep);font-weight:600;background:#EDF5FF;border-radius:999px;padding:5px 14px;margin-bottom:14px}
.sec-block h2{font-size:28px;letter-spacing:-.01em;margin-bottom:10px}
.sec-block h2 span{display:block;font-size:15px;font-weight:400;color:var(--muted);margin-top:8px;line-height:1.8}
.sec-block h3{font-size:20px;margin:22px 0 10px}
.sec-block p{margin-bottom:16px;line-height:2}
.sec-block ul,.check-list{margin:0 0 16px;padding:0;list-style:none}
.check-list li{position:relative;padding-left:30px;margin-bottom:10px;line-height:1.8}
.check-list li::before{content:"";position:absolute;left:2px;top:8px;width:16px;height:16px;border-radius:50%;background:rgba(18,183,122,.14);border:2px solid var(--success);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%2312B77A' stroke-width='4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center 3px}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin-top:26px}
.feature-split.reverse{direction:rtl}
.feature-split.reverse>*{direction:ltr}
.figure-box{border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-rest)}
.figure-box img{width:100%;height:340px;object-fit:cover}
.figure-caption{font-size:13px;color:var(--muted);padding:10px 16px;background:#F7FAFE;text-align:center}
.flow-steps{position:relative;display:flex;flex-direction:column;gap:20px;margin-top:24px}
.flow-step{display:flex;gap:20px;padding:24px;border:1px solid var(--line);border-radius:18px;background:#FBFDFF;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.flow-step:hover{box-shadow:var(--shadow-hover);transform:translateY(-1px)}
.step-num{flex:none;width:52px;height:52px;border-radius:17px;background:linear-gradient(145deg,#E9F3FE,#D6E9FD);color:var(--brand-deep);font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;font-family:"SF Pro Display","Segoe UI",sans-serif;box-shadow:inset 0 0 0 1px rgba(46,111,216,.08)}
.step-body h3{margin:0 0 6px;font-size:19px}
.step-body p{font-size:15px;color:var(--body);line-height:1.9;margin:0}
.callout{border-radius:14px;padding:16px 20px;font-size:15px;line-height:1.8;background:#FFFDF7;border:1px solid #F5DDBE;color:#6B533C;margin:20px 0 0;display:flex;gap:12px;align-items:flex-start}
.callout svg{width:21px;height:21px;flex:none;color:var(--gold);margin-top:3px}
.problem-item{border-bottom:1px solid var(--line);padding:22px 4px;display:flex;gap:16px;align-items:flex-start}
.problem-item:last-child{border-bottom:0}
.problem-index{flex:none;width:38px;height:38px;border-radius:12px;background:var(--brand-soft);color:var(--brand-deep);font-weight:700;font-size:17px;display:flex;align-items:center;justify-content:center}
.problem-body h4{font-size:17px;margin-bottom:6px}
.problem-body p{margin:0;font-size:15px;color:var(--body);line-height:1.95}
@media(max-width:1024px){
  .guide-layout{padding:48px 0 16px}
  .guide-grid{grid-template-columns:1fr;gap:26px}
  .guide-toc{position:static;display:flex;flex-wrap:wrap;gap:8px;padding:14px;align-items:center}
  .toc-title{flex-basis:100%;border-bottom:0;padding-bottom:4px;margin-bottom:4px}
  .guide-toc a.toc-link{display:inline-block;padding:7px 14px;border-left:none;background:#F4F9FE;border-radius:999px;margin:0}
  .guide-toc a.toc-link.active{background:var(--brand-soft)}
  .toc-tip{display:none}
  .sec-block{padding:28px 24px}
  .flow-step{flex-direction:column}
  .feature-split,.feature-split.reverse{grid-template-columns:1fr;direction:ltr}
  .figure-box{width:100%}
}
@media(max-width:560px){
  .sec-block{padding:24px 18px}
  .sec-block h2{font-size:24px}
  .problem-item{flex-direction:column;gap:6px}
  .problem-index{width:32px;height:32px;font-size:15px}
}

/* more guide cards */
.more-area{background:var(--alt);padding:74px 0}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-deep);background:#E2EDFF;padding:5px 14px;border-radius:999px;letter-spacing:.04em;margin-bottom:12px}
.sec-head h2{font-size:32px;letter-spacing:-.01em;margin-bottom:10px}
.sec-head p{font-size:15px;color:var(--muted);max-width:680px;line-height:1.9}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.more-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.more-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.more-card .pic{border-radius:14px;overflow:hidden;height:190px;margin-bottom:16px}
.more-card .pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.more-card:hover .pic img{transform:scale(1.04)}
.more-card h3{font-size:18px;margin-bottom:8px}
.more-card p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);transition:gap .18s var(--ease)}
.more-link:hover{gap:10px;color:var(--brand)}
@media(max-width:900px){.more-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.more-grid{grid-template-columns:1fr}}

/* faq */
.faq-area{background:#fff;padding:74px 0}
.faq-wrap{display:grid;grid-template-columns:360px minmax(0,1fr);gap:52px;align-items:start}
.faq-side{max-width:400px}
.faq-side h2{font-size:36px;margin-bottom:14px}
.faq-side p{font-size:15px;color:var(--muted);margin-bottom:24px}
.faq-side a.inline-link{color:var(--brand-deep);border-bottom:1px solid rgba(46,111,216,.35);font-weight:500}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:0;width:100%;background:none;border:0;text-align:left;padding:20px 6px 20px 2px;cursor:pointer;font-size:17px;font-weight:600;color:var(--title);gap:18px;transition:color .18s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-q .p-icon{flex:none;width:30px;height:30px;border-radius:50%;background:var(--brand-soft);position:relative;transition:background .2s var(--ease)}
.faq-q .p-icon::before,.faq-q .p-icon::after{content:"";position:absolute;top:50%;left:50%;background:var(--brand-deep);width:13px;height:2px;border-radius:2px;transform:translate(-50%,-50%);transition:transform .18s var(--ease)}
.faq-q .p-icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq-item.open .faq-q .p-icon{background:#EEF3FF}
.faq-item.open .faq-q .p-icon::after{transform:translate(-50%,-50%) rotate(0deg)}
.faq-item.open .faq-q{color:var(--brand-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease)}
.faq-a-inner{padding:0 6px 24px;font-size:15px;line-height:2;color:var(--body)}
@media(max-width:900px){
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .faq-side h2{font-size:28px}
}

/* final cta */
.final-section{padding:80px 0 96px}
.final-box{background:linear-gradient(135deg,#1B4782 0%,#20569A 58%,#2E6FD8 118%);border-radius:32px;padding:58px 56px 46px;color:#fff;box-shadow:0 18px 46px rgba(26,71,126,.22);position:relative;overflow:hidden}
.final-box::before{content:"";position:absolute;left:-100px;bottom:-160px;width:330px;height:330px;border-radius:50%;background:rgba(255,255,255,.06)}
.final-box::after{content:"";position:absolute;right:70px;top:-100px;width:230px;height:230px;border-radius:50%;background:rgba(255,255,255,.05)}
.final-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:44px;flex-wrap:wrap}
.final-copy{max-width:660px}
.final-copy h2{color:#fff;font-size:38px;margin-bottom:16px;letter-spacing:-.01em}
.final-copy p{color:rgba(255,255,255,.82);font-size:16px;margin-bottom:0}
.final-actions{display:flex;flex-direction:column;align-items:flex-start;gap:14px}
.btn-final{display:inline-flex;align-items:center;justify-content:center;background:#fff;color:var(--brand-deep);font-size:18px;font-weight:700;border-radius:18px;padding:19px 38px;min-width:280px;box-shadow:0 12px 26px rgba(8,31,62,.26);transition:transform .2s var(--ease),box-shadow .2s var(--ease);gap:8px}
.btn-final:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(8,31,62,.3)}
.final-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:28px}
.final-meta span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72)}
.final-meta .dot{width:8px;height:8px;border-radius:50%;background:var(--success);flex:none}
@media(max-width:820px){
  .final-section{padding:56px 0 70px}
  .final-box{padding:40px 24px 34px;border-radius:24px}
  .final-inner{flex-direction:column}
  .final-copy h2{font-size:28px}
  .btn-final{width:100%;min-width:0}
}

/* footer */
.site-footer{background:var(--navy);color:#B6CBE0;font-size:14px}
.site-footer .container{padding-top:58px;padding-bottom:26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr .9fr 1fr;gap:44px;margin-bottom:44px}
.footer-brand h3{color:#EAF3FD;font-size:20px;display:flex;align-items:center;gap:10px;margin-bottom:16px;font-weight:700}
.footer-icon,.footer-brand  .footer-icon svg{width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.08);display:inline-flex;align-items:center;justify-content:center;color:#8DBBEA}
.footer-brand p{color:#9db8cf;line-height:1.9;margin:0;max-width:340px}
.footer-title{color:#DCE9F7;font-weight:600;font-size:15px;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a,.footer-links li{list-style:none;color:#92AEC8;transition:color .18s var(--ease)}
.footer-links a:hover{color:#fff}
.footer-contact{display:block;line-height:2;margin:0;color:#90A9C4;font-style:normal}
.footer-bottom{border-top:1px solid rgba(255,255,255,.09);padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#7F9ABC;font-size:13px}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr;row-gap:32px}}

/* roulang page: article */
:root {
  --blue: #2E6FD8;
  --blue-dark: #1D55B8;
  --blue-soft: #EAF2FD;
  --blue-deep: #1F4E85;
  --body-bg: #F7FAFD;
  --alt-bg: #F1F7FC;
  --card: #FFFFFF;
  --ink: #1F3A5F;
  --ink-2: #4A6785;
  --ink-3: #7B92AA;
  --line: #E0E9F4;
  --accent: #FF8A3D;
  --ok: #12B77A;
  --radius: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(23, 56, 92, 0.03), 0 8px 24px rgba(23, 56, 92, 0.06);
  --shadow-md: 0 2px 4px rgba(23, 56, 92, 0.04), 0 14px 32px rgba(23, 56, 92, 0.10);
  --shadow-active: 0 1px 2px rgba(23, 56, 92, 0.05), 0 6px 16px rgba(23, 56, 92, 0.08);
  --font: system-ui, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei UI", "HarmonicOS Sans SC", "Segoe UI", sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  line-height: 1.75;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 0%, rgba(46, 111, 216, 0.06), transparent 300px),
    radial-gradient(circle at 92% 18%, rgba(255, 138, 61, 0.04), transparent 260px),
    linear-gradient(180deg, #F9FCFF 0%, var(--body-bg) 40%, #F0F6FC 100%);
  min-height: 100vh;
}

body.nav-open {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 6px;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  pointer-events: none;
}

.site-nav {
  pointer-events: auto;
  max-width: 1180px;
  margin: 14px auto 0;
  height: 72px;
  padding: 0 18px 0 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(224, 233, 244, 0.9);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.24s ease, background 0.24s ease;
}

.site-header:hover .site-nav,
.site-header:focus-within .site-nav {
  box-shadow: var(--shadow-md);
  background: rgba(255, 255, 255, 0.96);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  color: var(--ink);
  margin-right: auto;
}

.brand-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 14px;
  transition: transform 0.2s ease, background 0.2s ease;
}

.brand-icon svg {
  width: 21px;
  height: 21px;
}

.brand:hover .brand-icon {
  transform: translateY(-2px);
  background: #DDEBFB;
}

.brand-name {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-name small {
  font-size: 15px;
  font-weight: 600;
  color: var(--blue);
  margin-left: 2px;
  vertical-align: baseline;
}

.nav-drawer {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 15px;
  line-height: 1.2;
  color: var(--ink-2);
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover {
  color: var(--blue);
  background: var(--blue-soft);
}

.nav-link.current {
  color: var(--blue);
  background: var(--blue-soft);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  height: 44px;
  padding: 0 22px;
  margin-left: 14px;
  background: var(--blue);
  color: #fff;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 1px 2px rgba(29, 85, 184, 0.12), 0 8px 18px rgba(29, 85, 184, 0.18);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(29, 85, 184, 0.24);
}

.nav-cta:active {
  transform: translateY(0);
  box-shadow: var(--shadow-active);
}

.drawer-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 0;
  background: var(--blue-soft);
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  gap: 5px;
  flex-direction: column;
}

.drawer-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--blue-dark);
  border-radius: 999px;
  transition: transform 0.24s ease, opacity 0.24s ease;
}

.drawer-toggle[aria-expanded="true"] span {
  position: absolute;
}

.drawer-toggle[aria-expanded="true"] span:first-child {
  transform: rotate(45deg);
}

.drawer-toggle[aria-expanded="true"] span:nth-child(2) {
  transform: rotate(-45deg);
}

.article-main {
  padding-top: 112px;
}

.breadcrumb-zone {
  background: transparent;
  padding: 4px 0 18px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--ink-3);
}

.breadcrumb a {
  color: var(--ink-2);
  transition: color 0.2s ease;
}

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

.bc-sep {
  display: inline-block;
  color: #A5BBD0;
  font-size: 13px;
}

.bc-cat {
  color: var(--ink-2);
}

.bc-title {
  color: var(--ink);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 60%;
}

.article-panel {
  max-width: 900px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  padding: 52px 64px 44px;
  transition: box-shadow 0.24s ease;
}

.article-panel:hover {
  box-shadow: var(--shadow-md);
}

.article-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.article-badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  font-size: 13px;
  font-weight: 600;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  letter-spacing: 0.01em;
}

.article-h1 {
  margin: 0 0 22px;
  font-size: 40px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 24px;
  padding: 14px 18px;
  background: #F8FBFF;
  border: 1px solid #EBF1F9;
  border-radius: 14px;
  margin-bottom: 34px;
  font-size: 14px;
  color: var(--ink-2);
}

.meta-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ok);
  display: inline-block;
  margin-right: 7px;
}

.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: #2A4567;
}

.article-content > *:first-child {
  margin-top: 0;
}

.article-content p {
  margin: 0 0 1.45em;
}

.article-content h2 {
  font-size: 26px;
  color: var(--ink);
  margin: 1.5em 0 0.75em;
  letter-spacing: -0.01em;
  line-height: 1.45;
  padding-bottom: 0.4em;
  border-bottom: 1px solid #EDF2F8;
}

.article-content h3 {
  font-size: 20px;
  color: var(--ink);
  margin: 1.4em 0 0.6em;
  line-height: 1.5;
}

.article-content h4 {
  font-size: 17px;
  color: var(--ink);
  margin: 1.3em 0 0.5em;
}

.article-content ul,
.article-content ol {
  margin: 0.6em 0 1.5em;
  padding-left: 1.7em;
}

.article-content li {
  margin: 0.45em 0;
}

.article-content blockquote {
  margin: 1.4em 0;
  padding: 16px 22px;
  background: var(--alt-bg);
  border-left: 4px solid var(--blue);
  border-radius: 4px 12px 12px 4px;
  color: var(--ink-2);
}

.article-content img {
  border-radius: 16px;
  border: 1px solid var(--line);
  margin: 1.4em auto;
}

.article-content a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(46, 111, 216, 0.35);
}

.article-content a:hover {
  color: var(--blue-dark);
  text-decoration-color: var(--blue-dark);
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.4em 0;
  font-size: 15px;
}

.article-content th,
.article-content td {
  border: 1px solid var(--line);
  padding: 10px 14px;
  text-align: left;
}

.article-content th {
  background: var(--blue-soft);
  color: var(--ink);
}

.article-sheet-footer {
  margin-top: 42px;
  padding-top: 26px;
  border-top: 1px solid #EBF1F8;
}

.article-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #F9FBFF;
  color: var(--ink-2);
  font-size: 13px;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.tag-item:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: var(--blue-soft);
}

.article-pager {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 14px;
  align-items: center;
}

.pager-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  background: #F4F8FC;
  color: var(--ink-2);
  font-size: 14px;
  border: 1px solid transparent;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.pager-btn:hover {
  background: var(--blue-soft);
  color: var(--blue);
  border-color: rgba(46, 111, 216, 0.12);
}

.pager-btn.next {
  justify-self: end;
}

.pager-index {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: 96px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink-2);
  font-size: 13px;
  padding: 0 14px;
  transition: all 0.2s ease;
}

.pager-index:hover {
  border-color: var(--blue);
  color: var(--blue);
  background: #fff;
}

.not-found-panel {
  max-width: 900px;
  margin: 0 auto;
  background: var(--card);
  border: 1px dashed #C3D6EA;
  border-radius: 24px;
  padding: 84px 40px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.not-found-mark {
  width: 86px;
  height: 86px;
  margin: 0 auto 26px;
  background: var(--blue-soft);
  border-radius: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  font-weight: 700;
  color: var(--blue);
}

.not-found-panel h1 {
  font-size: 28px;
  margin: 0 0 12px;
  color: var(--ink);
}

.not-found-panel p {
  color: var(--ink-2);
  max-width: 560px;
  margin: 0 auto 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  box-shadow: 0 8px 20px rgba(29, 85, 184, 0.18);
  transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-primary:hover {
  background: var(--blue-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 26px rgba(29, 85, 184, 0.22);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-active);
}

.related-block {
  margin-top: 96px;
}

.section-head {
  max-width: 720px;
  margin: 0 auto 42px;
  text-align: center;
}

.section-label {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  background: var(--blue-soft);
  color: var(--blue);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.related-block h2 {
  font-size: 32px;
  line-height: 1.35;
  color: var(--ink);
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.section-desc {
  color: var(--ink-2);
  font-size: 15px;
  line-height: 1.85;
  margin: 0;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.22s ease, transform 0.22s ease, border-color 0.22s ease;
}

.related-card:hover {
  box-shadow: var(--shadow-md);
  border-color: #CFDFF1;
  transform: translateY(-3px);
}

.related-card:active {
  transform: translateY(-1px);
  box-shadow: var(--shadow-active);
}

.related-thumb {
  position: relative;
  aspect-ratio: 16 / 10;
  background: var(--alt-bg);
  overflow: hidden;
}

.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.related-card:hover .related-thumb img {
  transform: scale(1.03);
}

.related-info {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.related-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 13px;
}

.related-info h3 {
  font-size: 18px;
  line-height: 1.6;
  margin: 0 0 8px;
  color: var(--ink);
  transition: color 0.2s ease;
}

.related-card:hover .related-info h3 {
  color: var(--blue);
}

.related-info p {
  flex: 1;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-2);
  margin: 0 0 18px;
}

.related-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
}

.related-more::after {
  content: "→";
  transition: transform 0.2s ease;
}

.related-card:hover .related-more::after {
  transform: translateX(4px);
}

.final-cta {
  margin-top: 96px;
  background: var(--blue-deep);
  border-radius: 28px;
  position: relative;
  overflow: hidden;
  color: #fff;
  padding: 56px 60px;
}

.final-cta::before {
  content: "";
  position: absolute;
  width: 380px;
  height: 380px;
  right: -120px;
  top: -120px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

.final-cta::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  left: -80px;
  bottom: -120px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 720px;
}

.cta-inner h2 {
  font-size: 28px;
  line-height: 1.5;
  margin: 0 0 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.cta-inner p {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.88);
  margin: 0 0 26px;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  min-width: 240px;
  padding: 0 30px;
  background: #fff;
  color: var(--blue-dark);
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.14);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.2);
  background: #F3F7FF;
}

.cta-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #fff;
  border-radius: 999px;
  font-size: 15px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.cta-secondary:hover {
  background: rgba(255, 255, 255, 0.18);
  border-color: rgba(255, 255, 255, 0.4);
}

.cta-notes {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 18px 24px;
  padding: 0;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.cta-notes li {
  position: relative;
  padding-left: 18px;
}

.cta-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.58em;
  width: 8px;
  height: 8px;
  background: #fff;
  border-radius: 50%;
  opacity: 0.7;
}

.site-footer {
  margin-top: 96px;
  background: #16324F;
  color: rgba(255, 255, 255, 0.84);
  padding: 84px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.45fr 0.9fr 0.9fr 1fr;
  gap: 48px;
}

.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 14px;
}

.footer-icon {
  color: #7BA1C4;
  display: inline-flex;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.9;
  margin: 0;
  max-width: 330px;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-links a:hover {
  color: #fff;
  transform: translateX(3px);
}

.footer-contact {
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  line-height: 1.8;
}

.footer-contact li {
  margin-bottom: 4px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 54px;
  padding-top: 26px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.46);
  font-size: 13px;
}

@media (max-width: 1024px) {
  .site-nav {
    max-width: calc(100% - 32px);
    margin-top: 12px;
    height: 66px;
  }

  .drawer-toggle {
    display: inline-flex;
    position: relative;
  }

  .drawer-toggle[aria-expanded="true"] {
    background: var(--blue);
  }

  .drawer-toggle[aria-expanded="true"] span {
    background: #fff;
  }

  .nav-drawer {
    position: fixed;
    top: 88px;
    left: 16px;
    right: 16px;
    max-height: calc(100vh - 108px);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    background: rgba(255, 255, 255, 0.985);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 10px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.24s ease, transform 0.24s ease, visibility 0.24s;
    box-shadow: 0 20px 44px rgba(23, 56, 92, 0.16);
  }

  .nav-drawer.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-link {
    width: 100%;
    justify-content: flex-start;
    min-height: 46px;
    padding: 0 16px;
    border-radius: 12px;
    font-size: 15px;
  }

  .nav-cta {
    width: 100%;
    min-height: 46px;
    margin: 8px 0 2px;
    border-radius: 12px;
  }

  .article-main {
    padding-top: 90px;
  }

  .final-cta {
    padding: 42px 34px;
  }

  .cta-primary {
    width: auto;
  }

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

@media (max-width: 820px) {
  .article-panel {
    padding: 38px 32px;
  }

  .related-grid {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (max-width: 640px) {
  .brand-name {
    font-size: 18px;
  }

  .brand-name small {
    font-size: 14px;
  }

  .brand-icon {
    flex: 0 0 36px;
    width: 36px;
    height: 36px;
  }

  .article-main {
    padding-top: 86px;
  }

  .article-h1 {
    font-size: 26px;
    line-height: 1.45;
  }

  .article-panel {
    padding: 26px 20px 28px;
    border-radius: 20px;
  }

  .article-content {
    font-size: 15px;
    line-height: 1.85;
  }

  .article-content blockquote {
    padding: 12px 16px;
  }

  .article-content table {
    display: block;
    overflow-x: auto;
  }

  .article-pager {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .pager-btn.next {
    justify-self: stretch;
  }

  .pager-index {
    order: -1;
  }

  .related-block {
    margin-top: 64px;
  }

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

  .related-block h2 {
    font-size: 24px;
  }

  .final-cta {
    margin-top: 64px;
    border-radius: 20px;
    padding: 34px 22px;
  }

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

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .cta-primary {
    width: 100%;
    min-width: 0;
  }

  .cta-secondary {
    width: 100%;
  }

  .cta-notes {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 38px;
  }

  .site-footer {
    padding: 64px 0 32px;
    margin-top: 72px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
    margin-top: 36px;
  }
}

/* roulang page: category2 */
:root{
  --primary:#2E6FD8;
  --primary-dark:#1D55B8;
  --primary-soft:#EAF2FD;
  --primary-soft-2:#DCEAFD;
  --bg:#F7FAFD;
  --bg-alt:#EEF5FB;
  --card:#FFFFFF;
  --text:#1F3A5F;
  --text-secondary:#4A6785;
  --text-muted:#7B92AA;
  --line:#E0E9F4;
  --amber:#FF8A3D;
  --green:#12B77A;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-pill:999px;
  --shadow-rest:0 1px 2px rgba(23,56,92,.03),0 8px 24px rgba(23,56,92,.06);
  --shadow-hover:0 2px 4px rgba(23,56,92,.04),0 14px 32px rgba(23,56,92,.10);
  --shadow-active:0 1px 2px rgba(23,56,92,.05),0 6px 16px rgba(23,56,92,.08);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei UI","HarmonicOS Sans SC","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:none;background:none;cursor:pointer}
ul{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:980px;margin:0 auto;padding:0 24px}
.section{padding:90px 0}
.section-alt{background:var(--bg-alt)}
.section-white{background:var(--card)}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;font-weight:600;
  color:var(--primary-dark);background:var(--primary-soft);
  padding:7px 16px;border-radius:var(--radius-pill);
}
.section-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green)}
.section-head{max-width:760px;margin:0 auto 48px;text-align:center}
.section-head h2{
  font-size:32px;line-height:1.3;font-weight:700;letter-spacing:-.01em;
  margin:18px 0 14px;color:var(--text)
}
.section-head p{color:var(--text-secondary);font-size:15px;line-height:1.8}
.section-head::after{
  content:"";display:block;width:120px;height:3px;margin:22px auto 0;
  border-radius:3px;background:linear-gradient(90deg,var(--primary-soft-2),transparent);
}
.site-header{
  position:fixed;top:12px;left:0;right:0;z-index:1000;
  padding:0 22px;pointer-events:none;transition:top .22s ease;
}
.site-header .site-nav{
  pointer-events:auto;
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  min-height:68px;padding:0 12px 0 20px;
  background:rgba(255,255,255,.88);
  border:1px solid rgba(224,233,244,.9);
  border-radius:var(--radius-pill);
  box-shadow:var(--shadow-rest);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  transition:box-shadow .2s ease, background .2s ease;
}
.site-header.scrolled{top:0}
.site-header.scrolled .site-nav{
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow-hover);
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:700;font-size:19px;letter-spacing:-.02em;
  color:var(--text);white-space:nowrap;
}
.brand-icon{
  color:var(--primary);display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;background:var(--primary-soft);border-radius:13px;flex:0 0 38px;
}
.brand-icon svg{width:23px;height:23px}
.brand small{font-size:14px;font-weight:600;color:var(--text-secondary);margin-left:3px}
.nav-drawer{display:inline-flex;align-items:center;gap:3px}
.nav-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 16px;
  border-radius:var(--radius-pill);
  font-weight:600;font-size:15px;color:var(--text-secondary);
  transition:background .2s,color .2s;
}
.nav-link:hover{background:rgba(46,111,216,.08);color:var(--primary-dark)}
.nav-link.current{background:var(--primary-soft);color:var(--primary-dark)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:112px;min-height:44px;margin-left:10px;
  padding:0 24px;border-radius:var(--radius-pill);
  background:var(--primary);color:#fff;
  font-weight:600;font-size:15px;
  border:1px solid transparent;
  box-shadow:0 4px 12px rgba(46,111,216,.18);
  transition:background .2s,transform .2s,box-shadow .2s;
}
.nav-cta:hover{background:var(--primary-dark);transform:translateY(-1px)}
.drawer-toggle{display:none;width:46px;height:46px;border-radius:50%;background:var(--primary-soft);position:relative}
.drawer-toggle span{display:block;width:18px;height:2px;background:var(--primary-dark);border-radius:2px;margin:5px auto;transition:transform .22s,opacity .22s}
.drawer-toggle.active span:first-child{transform:translateY(7px) rotate(45deg)}
.drawer-toggle.active span:last-child{transform:translateY(-7px) rotate(-45deg)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 28px;
  font-weight:600;font-size:15px;line-height:1;
  border-radius:var(--radius-pill);
  transition:background .2s,color .2s,transform .2s,box-shadow .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(46,111,216,.18);border:1px solid transparent}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-active)}
.btn-secondary{background:var(--card);color:var(--text);border:1px solid var(--line);box-shadow:var(--shadow-rest)}
.btn-secondary:hover{background:var(--primary-soft);color:var(--primary-dark);border-color:transparent}
.btn-lg{min-height:54px;padding:0 34px}
.btn-block{width:100%}

.page-hero{
  position:relative;padding:184px 0 96px;overflow:hidden;
  background:#f2f6fc;
}
.hero-bg-wrap{position:absolute;inset:0;overflow:hidden}
.hero-bg-wrap::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(240,246,252,.94) 0%,rgba(240,246,252,.82) 45%,rgba(248,251,254,.60) 100%)}
.hero-bg{position:absolute;inset:-40px;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.page-hero::before{
  content:"";position:absolute;z-index:-1;top:100px;right:-160px;
  width:480px;height:480px;border-radius:50%;
  background:rgba(107,155,226,.16);
}
.page-hero::after{
  content:"";position:absolute;z-index:-1;left:5%;bottom:-120px;
  width:280px;height:280px;border-radius:50%;
  background:rgba(46,111,216,.08);
}
.page-hero-inner{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.page-hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;font-size:13px;font-weight:600;
  background:rgba(46,111,216,.10);color:var(--primary-dark);
  border:1px solid rgba(46,111,216,.18);border-radius:var(--radius-pill);
  backdrop-filter:blur(6px);
}
.page-hero-copy h1{
  font-size:48px;line-height:1.22;letter-spacing:-.02em;font-weight:800;
  color:var(--text);margin:22px 0 20px;
}
.page-hero-copy h1 span{
  display:block;color:var(--primary);
  background:linear-gradient(120deg,var(--primary),#3f7ee0);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.page-hero-copy .hero-lead{
  font-size:16px;color:var(--text-secondary);max-width:520px;line-height:1.9;
  margin:0 0 32px;
}
.hero-notes{
  display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;
}
.hero-notes li{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--card);border:1px solid rgba(224,233,244,.9);
  padding:8px 15px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;color:var(--text-secondary);
  box-shadow:var(--shadow-rest);
}
.hero-notes li svg{width:16px;height:16px;color:var(--green)}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.page-hero-panel{
  position:relative;
}
.page-hero-panel .hero-visual{
  background:var(--card);border-radius:26px;overflow:hidden;
  border:1px solid rgba(224,233,244,.9);
  box-shadow:var(--shadow-hover);
  transform:rotate(1deg);
}
.page-hero-panel img{width:100%;height:320px;object-fit:cover}
.float-state{
  position:absolute;background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow-hover);border-radius:16px;
  padding:12px 18px;font-size:13px;font-weight:600;color:var(--text);
  display:inline-flex;align-items:center;gap:10px;animation:floatY 3.6s ease-in-out infinite;
}
.float-state svg{width:18px;height:18px}
.float-state b{color:var(--green)}
.float-state.state-a{top:18px;left:-24px;animation-delay:.4s}
.float-state.state-b{bottom:28px;right:-14px;animation-delay:.9s}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

.cap-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.cap-card{
  background:var(--card);border:1px solid rgba(224,233,244,.9);
  border-radius:var(--radius-lg);padding:28px 22px;
  box-shadow:var(--shadow-rest);
  transition:box-shadow .2s,transform .2s,background .2s;
  position:relative;overflow:hidden;
}
.cap-card::after{
  content:"";position:absolute;right:-24px;bottom:-24px;width:90px;height:90px;
  background:radial-gradient(circle,rgba(46,111,216,.08),transparent 70%);
}
.cap-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.cap-icon{
  width:52px;height:52px;border-radius:16px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.cap-icon svg{width:25px;height:25px}
.cap-card h3{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--text)}
.cap-card p{font-size:14px;line-height:1.8;color:var(--text-secondary)}

.checklist-panel{
  background:var(--card);border-radius:24px;padding:8px 38px;
  border:1px solid rgba(224,233,244,.9);
  box-shadow:var(--shadow-rest);
  max-width:980px;margin:0 auto;
}
.ck-item{
  display:flex;gap:24px;align-items:flex-start;
  padding:32px 0;border-bottom:1px solid #eaf0f7;
}
.ck-item:last-child{border-bottom:none}
.ck-index{
  flex:0 0 58px;width:58px;height:58px;border-radius:18px;
  background:var(--primary-soft);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;letter-spacing:-.02em;
  border:1px solid rgba(46,111,216,.14);
}
.ck-icon{
  width:52px;height:52px;border-radius:16px;background:var(--primary-soft);
  display:flex;align-items:center;justify-content:center;color:var(--primary);
}
.ck-icon svg{width:24px;height:24px}
.ck-content{flex:1}
.ck-content h3{font-size:19px;font-weight:700;color:var(--text);margin-bottom:8px}
.ck-content p{font-size:15px;line-height:1.85;color:var(--text-secondary);max-width:84ch}
.ck-note{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;padding:6px 14px;border-radius:10px;
  background:#f2f8f0;color:#2f7f5b;font-size:13px;font-weight:600;
}
.ck-note svg{width:15px;height:15px}
.ck-arrow{
  align-self:center;flex:0 0 50px;height:50px;border-radius:50%;
  border:1px solid #dce6f2;display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:24px;font-weight:300;
}

.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid rgba(224,233,244,.9);
  border-radius:var(--radius-lg);padding:30px 26px;
  box-shadow:var(--shadow-rest);
  transition:transform .2s,box-shadow .2s;
  display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.scene-card .scene-no{
  font-size:13px;font-weight:700;color:var(--amber);
  letter-spacing:.08em;margin-bottom:16px;
}
.scene-card .scene-icon{
  width:52px;height:52px;border-radius:16px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;margin-bottom:22px;
}
.scene-card .scene-icon svg{width:24px;height:24px}
.scene-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.scene-card p{font-size:14px;line-height:1.85;color:var(--text-secondary);flex:1}
.scene-more{
  margin-top:22px;padding-top:16px;border-top:1px solid #eaf0f7;
  font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;
}
.scene-more svg{width:16px;height:16px;transition:transform .2s}
.scene-card:hover .scene-more svg{transform:translateX(4px)}

.flow-steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:22px;
  counter-reset:step;
}
.flow-step{
  position:relative;padding:34px 24px 28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-rest);
  transition:box-shadow .2s,transform .2s;
}
.flow-step:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.flow-step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;width:44px;height:44px;border-radius:14px;
  background:var(--primary-soft);color:var(--primary-dark);
  font-weight:800;font-size:14px;letter-spacing:-.02em;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.flow-step::after{
  content:"";position:absolute;top:48px;right:-22px;width:22px;height:2px;
  background:url("data:image/svg+xml,%3Csvg width='22' height='2' viewBox='0 0 22 2' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 1h20M17 .2L20.4 1L17 1.8' stroke='%237B92AA' stroke-width='1.4' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") center/16px 2px no-repeat;
  opacity:.7;
}
.flow-step:last-child::after{display:none}
.flow-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.flow-step p{font-size:13px;line-height:1.8;color:var(--text-secondary)}
.flow-step .step-tip{
  display:inline-flex;margin-top:16px;padding:5px 11px;border-radius:8px;
  font-size:12px;font-weight:600;background:#f4f7fb;color:var(--text-muted)
}

.faq-section{
  background:var(--bg-alt);
}
.faq-layout{display:grid;grid-template-columns:.85fr 1.35fr;gap:52px;align-items:start}
.faq-intro .section-tag{margin-bottom:16px}
.faq-intro h2{font-size:32px;line-height:1.3;font-weight:700;margin:18px 0 16px}
.faq-intro p{color:var(--text-secondary);font-size:15px;line-height:1.85;margin-bottom:26px}
.faq-contact{
  background:var(--card);border-radius:var(--radius-lg);padding:22px;
  border:1px solid var(--line);box-shadow:var(--shadow-rest);
}
.faq-contact span{display:block;font-weight:700;color:var(--text);margin-bottom:6px}
.faq-contact small{color:var(--text-muted);line-height:1.6}
.faq-contact a{
  display:inline-flex;margin-top:14px;color:var(--primary);font-weight:600;font-size:14px;gap:4px;
}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-rest);overflow:hidden;
}
.faq-item summary{
  display:flex;justify-content:space-between;align-items:center;
  padding:0;cursor:pointer;list-style:none;
  transition:background .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{
  font-size:16px;font-weight:600;color:var(--text);flex:1;line-height:1.5;
  padding:22px 24px;
}
.faq-item summary::after{
  content:"+";display:inline-flex;align-items:center;justify-content:center;
  width:30px;margin-right:22px;flex:0 0 30px;height:30px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary-dark);
  font-size:22px;font-weight:300;transition:background .2s,transform .2s;
}
.faq-item[open] summary::after{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-item .faq-body{padding:0 14px 10px 14px;color:var(--text-secondary);font-size:14px;line-height:1.85;padding-bottom:24px}
.faq-item .faq-body p{margin:0;padding-left:12px;padding-right:12px}

.final-entry{padding:96px 0 120px}
.final-card{
  background:#1f4e85;
  position:relative;overflow:hidden;
  border-radius:28px;padding:70px 56px;
  text-align:center;
}
.final-card::before{
  content:"";position:absolute;top:-180px;right:-120px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,255,255,.18),transparent 68%);
}
.final-card::after{content:"";position:absolute;bottom:-220px;left:-100px;width:460px;height:460px;background:radial-gradient(circle,rgba(46,111,216,.38),transparent 68%)}
.final-card .final-eyebrow{
  position:relative;z-index:2;color:#a9c3e4;font-size:13px;font-weight:700;letter-spacing:.12em;
  display:inline-block;padding:8px 16px;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;margin-bottom:24px;background:rgba(255,255,255,.08);
}
.final-card h2{position:relative;z-index:2;font-size:34px;font-weight:800;color:#fff;line-height:1.3;margin-bottom:14px}
.final-card p{position:relative;color:#c9dcef;max-width:580px;margin:0 auto 32px;font-size:15px;}
.final-buttons{position:relative;z-index:2;display:flex;gap:16px;justify-content:center}
.final-buttons .btn-primary{background:#fff;color:#1d55b8;box-shadow:0 10px 25px rgba(0,0,0,.12)}
.final-buttons .btn-primary:hover{transform:translateY(-2px);background:#eef4ff}
.final-buttons .btn-outline-light{
  background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.4);
}
.final-buttons .btn-outline-light:hover{background:rgba(255,255,255,.18)}
.final-mini{
  position:relative;z-index:2;display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:40px;
}
.final-mini li{
  display:inline-flex;align-items:center;gap:8px;
  color:#bdd3e8;font-size:13px;
}
.final-mini li svg{width:16px;height:16px;color:#58b387}
.final-scroll-prompt{text-align:center;margin-top:24px;font-size:13px;color:var(--text-muted);display:flex;align-items:center;gap:8px;justify-content:center}
.final-scroll-prompt svg{width:16px;height:16px;color:var(--primary)}

.site-footer{
  background:#16324F;color:#c8dceb;padding:72px 0 30px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:48px;padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.10);
}
.footer-brand h3{
  display:flex;align-items:center;gap:10px;
  font-size:22px;font-weight:800;letter-spacing:-.02em;color:#fff;margin-bottom:16px;
}
.footer-icon{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:11px;background:rgba(255,255,255,.12)}
.footer-icon svg{width:18px;height:18px;color:#f4f8ff}
.footer-brand p{font-size:14px;line-height:1.85;color:#a9c3de;max-width:38ch}
.footer-title{font-weight:700;color:#fff;margin-bottom:18px;font-size:15px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{
  color:#a9c3de;font-size:14px;display:inline-flex;align-items:center;gap:8px;
  transition:color .2s;
}
.footer-links a::before{content:"·";color:#4d7ca8;font-weight:800}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-links .footer-tag{font-weight:600;color:#c3daed}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:#a9c3de;margin-bottom:9px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;padding-top:28px;
  font-size:13px;color:#7ba1c4;
}
.footer-bottom a{color:#7ba1c4}
.footer-bottom a:hover{color:#fff}

@media (max-width:1024px){
  .centerhead{top:8px;padding:0 12px}
  .nav-drawer{
    position:absolute;top:calc(100% + 12px);left:10px;right:10px;
    background:#fff;border-radius:20px;
    display:none;flex-direction:column;align-items:flex-start;
    padding:16px;gap:4px;
    box-shadow:var(--shadow-hover);
    border:1px solid var(--line);
  }
  .nav-drawer.open{display:flex}
  .nav-drawer .nav-link,.nav-drawer .nav-cta{width:100%;border-radius:12px;justify-content:flex-start;margin-left:0;margin-top:4px}
  .drawer-toggle{display:block}
  .page-hero-inner{grid-template-columns:1fr;gap:48px}
  .page-hero{padding:150px 0 70px}
  .page-hero-copy h1{font-size:38px}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .flow-steps{grid-template-columns:repeat(2,1fr);gap:26px}
  .flow-step:nth-child(2n)::after{display:none}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .page-hero{background-position:80% center}
  .page-hero-copy h1{font-size:32px;letter-spacing:-.02em}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .brand{font-size:17px}
  .brand small{font-size:12px}
  .page-hero-panel .hero-visual img{height:220px}
  .cap-grid{grid-template-columns:1fr 1fr;gap:14px}
  .cap-card{padding:22px 18px}
  .cap-card h3{font-size:16px}
  .checklist-panel{padding:0 22px}
  .ck-item{flex-direction:column;gap:14px}
  .ck-arrow{display:none}
  .scene-grid{grid-template-columns:1fr}
  .flow-steps{grid-template-columns:1fr}
  .flow-step::after{display:none}
  .final-card{padding:50px 24px;border-radius:22px}
  .final-card h2{font-size:26px}
  .final-buttons{flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:25px}
  .faq-intro h2{font-size:25px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .cap-grid{grid-template-columns:1fr}
  .float-state{display:none}
  .site-header{padding:0 10px}
  .hero-notes li{font-size:12px;padding:6px 12px}
  .page-hero-copy h1 span{font-size:28px}
  .ck-index{flex-basis:44px;width:44px;height:44px}
}

/* roulang page: category3 */
:root {
  --primary: #2E6FD8;
  --primary-deep: #1D55B8;
  --primary-light: #EAF2FD;
  --body-bg: #F7FAFD;
  --card-bg: #FFFFFF;
  --block-bg: #F1F7FC;
  --text-head: #1F3A5F;
  --text-body: #4A6785;
  --text-soft: #7B92AA;
  --border: #E0E9F4;
  --accent: #FF8A3D;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-rest: 0 1px 2px rgba(23, 56, 92, .03), 0 8px 24px rgba(23, 56, 92, .06);
  --shadow-hover: 0 2px 4px rgba(23, 56, 92, .04), 0 14px 32px rgba(23, 56, 92, .10);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 120px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei UI", "HarmonicOS Sans SC", "Segoe UI", sans-serif;
  background: var(--body-bg);
  color: var(--text-head);
  font-size: 15px;
  line-height: 1.75;
  min-height: 100vh;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a,
button {
  transition: box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, opacity .2s ease;
}

button {
  font-family: inherit;
  cursor: pointer;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 8px;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

/* ===== 悬浮胶囊导航 ===== */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 1000;
  margin: 14px auto 0;
  width: calc(100% - 28px);
  max-width: 1240px;
  height: 72px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(230, 237, 246, .9);
  box-shadow: var(--shadow-rest);
  padding: 0 18px 0 20px;
  transition: box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

.site-header:hover {
  box-shadow: var(--shadow-hover);
  border-color: #DCE6F2;
}

.site-nav.container,
.site-nav {
  max-width: none;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-head);
  white-space: nowrap;
  flex-shrink: 0;
  margin-right: 8px;
}

.brand small {
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  margin-left: 2px;
}

.brand-icon {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 16px;
}

.brand-icon svg {
  width: 22px;
  height: 22px;
}

.nav-drawer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 6px;
  min-width: 0;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 42px;
  padding: 0 15px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-body);
  white-space: nowrap;
}

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

.nav-link.current {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  height: 44px;
  padding: 0 22px;
  margin-left: 10px;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 6px 14px rgba(46, 111, 216, .18);
}

.nav-cta:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(46, 111, 216, .22);
}

.drawer-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 16px;
  background: var(--primary-light);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  flex-shrink: 0;
}

.drawer-toggle span {
  width: 18px;
  height: 2px;
  background: var(--primary);
  border-radius: 4px;
  transition: transform .2s ease, opacity .2s ease;
}

.site-header.nav-open .drawer-toggle span:first-child {
  transform: translateY(7px) rotate(45deg);
}

.site-header.nav-open .drawer-toggle span:nth-child(2) {
  opacity: 0;
}

/* ===== Hero / 分类页顶部 ===== */
.faq-hero {
  position: relative;
  margin: 28px auto 0;
  width: min(1240px, calc(100% - 28px));
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(100deg, rgba(248, 251, 253, .97) 0%, rgba(242, 247, 252, .94) 46%, rgba(237, 245, 251, .84) 100%), url("/assets/images/backpic/back-1.png") center / cover no-repeat;
}

.faq-hero-inner {
  padding: 60px 58px 56px;
  min-height: 270px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  background: var(--primary-light);
  color: var(--primary-deep);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  width: fit-content;
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
}

.faq-hero h1 {
  color: var(--text-head);
  font-size: 46px;
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: -0.02em;
  max-width: 860px;
}

.faq-hero-sub {
  max-width: 740px;
  margin-top: 20px;
  font-size: 16px;
  color: var(--text-body);
  line-height: 1.9;
}

/* ===== 锚点胶囊区 ===== */
.faq-anchor-wrap {
  margin-top: 30px;
  margin-bottom: 12px;
}

.faq-anchor-panel {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  background: #fff;
  border: 1px solid #E6EDF5;
  border-radius: 999px;
  padding: 13px 16px;
  box-shadow: 0 2px 10px rgba(23, 56, 92, .04);
}

.faq-anchor-panel a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  border-radius: 999px;
  background: var(--body-bg);
  color: var(--text-head);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid transparent;
}

.faq-anchor-panel a::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--primary);
  border-radius: 50%;
  opacity: .55;
}

.faq-anchor-panel a:hover {
  background: var(--primary-light);
  border-color: #D5E4F5;
  color: var(--primary-deep);
  transform: translateY(-1px);
}

/* ===== FAQ 分组章节 ===== */
.faq-section {
  margin-top: 64px;
  scroll-margin-top: 115px;
}

.faq-group-head {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 26px;
}

.faq-group-number {
  display: grid;
  width: 56px;
  height: 56px;
  place-items: center;
  flex-shrink: 0;
  border-radius: 18px;
  background: var(--primary-light);
  color: var(--primary-deep);
  font-size: 17px;
  letter-spacing: .5px;
  font-weight: 700;
}

.faq-group-text .label {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: .4px;
}

.faq-group-text h2 {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-head);
  margin-top: 2px;
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 26px 30px 24px;
  box-shadow: 0 1px 2px rgba(23, 56, 92, .02), 0 6px 20px rgba(23, 56, 92, .05);
  transition: box-shadow .22s ease, border-color .22s ease, transform .22s ease;
}

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

.faq-item h3 {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 18px;
  font-weight: 600;
  color: var(--text-head);
  line-height: 1.55;
}

.question-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

.faq-answer {
  margin: 14px 0 0 40px;
  padding: 14px 0 0 18px;
  border-top: 1px solid #EAF1F8;
  border-left: 3px solid #CFE1F5;
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.9;
}

.faq-answer strong {
  color: var(--text-head);
  font-weight: 600;
}

/* ===== 底部 CTA ===== */
.final-entry {
  margin-top: 76px;
  scroll-margin-top: 130px;
}

.final-cta {
  background: linear-gradient(135deg, rgba(19, 50, 96, .95) 0%, rgba(27, 71, 128, .92) 58%, rgba(42, 94, 158, .84) 100%), url("/assets/images/coverpic/cover-3.webp") center / cover no-repeat;
  border-radius: 30px;
  padding: 60px 64px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: 0 18px 44px rgba(20, 53, 99, .24);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.final-cta::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .10);
}

.final-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 14px;
  background: rgba(255, 255, 255, .16);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
}

.final-cta h2 {
  max-width: 720px;
  font-size: 30px;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.final-cta p {
  max-width: 640px;
  color: #DCECFA;
  font-size: 15px;
  line-height: 1.9;
  margin-top: 12px;
}

.final-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 30px;
  position: relative;
  z-index: 2;
}

.btn-white {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 240px;
  height: 56px;
  padding: 0 32px;
  border-radius: 999px;
  background: #fff;
  color: var(--primary-deep);
  font-size: 16px;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(6, 25, 52, .22);
}

.btn-white:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 14px 26px rgba(6, 25, 52, .24);
}

.btn-white:active {
  transform: translateY(0);
  box-shadow: 0 4px 12px rgba(6, 25, 52, .18);
}

.btn-ghost-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 180px;
  height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, .58);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
}

.btn-ghost-light:hover {
  background: rgba(255, 255, 255, .10);
  border-color: #fff;
}

/* ===== 通用页脚 ===== */
.site-footer {
  background: #16324F;
  color: #C0D4E5;
  margin-top: 66px;
}

.site-footer .container {
  width: min(1180px, calc(100% - 40px));
  margin-inline: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.7fr .9fr 1fr 1.1fr;
  gap: 44px;
  padding: 56px 0 38px;
}

.footer-brand h3 {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-icon {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  background: rgba(255, 255, 255, .10);
  border-radius: 10px;
  color: #9CC3F0;
  flex-shrink: 0;
}

.footer-brand p {
  color: #9CB8D0;
  font-size: 14px;
  max-width: 340px;
  line-height: 1.9;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a,
.footer-links li {
  color: #BBD0E2;
  font-size: 14px;
  line-height: 1.7;
}

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

.footer-contact {
  gap: 15px;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 22px 0;
  color: #8FAABF;
  font-size: 13px;
}

.footer-bottom span {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== 响应式 ===== */
@media (max-width: 1180px) {
  .brand-name small {
    display: none;
  }
}

@media (max-width: 1024px) {
  .site-header {
    width: calc(100% - 20px);
    height: 68px;
    margin-top: 10px;
    padding: 0 14px;
  }

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

  .nav-drawer {
    position: absolute;
    left: 0;
    right: 0;
    top: calc(100% + 8px);
    display: none;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-radius: 22px;
    padding: 12px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-hover);
    gap: 6px;
  }

  .site-header.nav-open .nav-drawer {
    display: flex;
  }

  .nav-link {
    justify-content: flex-start;
    height: 48px;
    padding: 0 18px;
    font-size: 15px;
    border-radius: 14px;
  }

  .nav-cta {
    margin: 8px 0 0;
    width: 100%;
    height: 48px;
  }

  .faq-hero {
    width: calc(100% - 20px);
    margin-top: 20px;
  }

  .faq-hero-inner {
    padding: 52px 40px;
  }

  .faq-hero h1 {
    font-size: 36px;
  }

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

@media (max-width: 768px) {
  .faq-hero-inner {
    padding: 42px 22px;
    min-height: auto;
  }

  .faq-hero h1 {
    font-size: 28px;
  }

  .faq-hero-sub {
    font-size: 15px;
    margin-top: 14px;
  }

  .faq-anchor-panel {
    border-radius: 24px;
    gap: 8px;
    padding: 12px;
  }

  .faq-anchor-panel a {
    font-size: 13px;
    padding: 8px 13px;
  }

  .faq-section {
    margin-top: 64px;
  }

  .faq-group-head {
    align-items: flex-start;
  }

  .faq-group-number {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    font-size: 15px;
  }

  .faq-group-text h2 {
    font-size: 24px;
  }

  .faq-item {
    padding: 20px 20px 20px;
  }

  .faq-answer {
    margin-left: 0;
    padding-left: 16px;
  }

  .final-cta {
    padding: 40px 24px;
  }

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

  .final-buttons .btn-white,
  .final-buttons .btn-ghost-light {
    width: 100%;
    min-width: 0;
  }

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

@media (max-width: 520px) {
  .brand {
    font-size: 16px;
  }

  .brand small {
    font-size: 13px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 13px;
  }

  .faq-hero {
    border-radius: 22px;
  }

  .faq-hero-inner {
    padding: 38px 18px;
  }

  .faq-hero h1 {
    font-size: 26px;
    line-height: 1.4;
  }

  .faq-anchor-wrap {
    margin-top: 20px;
  }

  .faq-section {
    margin-top: 52px;
  }

  .faq-group-text .label {
    font-size: 12px;
  }

  .faq-group-text h2 {
    font-size: 21px;
  }

  .faq-item {
    border-radius: 18px;
    padding: 18px 16px;
  }

  .faq-item h3 {
    font-size: 16px;
  }

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

  .final-cta {
    border-radius: 22px;
    padding: 34px 18px;
  }

  .final-tag {
    margin-bottom: 14px;
  }

  .final-cta h2 {
    font-size: 21px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 40px 0 28px;
  }
}

/* roulang page: category4 */
:root {
  --primary: #2E6FD8;
  --primary-deep: #1D55B8;
  --primary-soft: #EAF2FD;
  --bg: #F7FAFD;
  --bg-soft: #F1F7FC;
  --card: #FFFFFF;
  --dark-blue: #1F4E85;
  --dark-navy: #16324F;
  --text: #1F3A5F;
  --text-2: #4A6785;
  --text-3: #7B92AA;
  --border: #E0E9F4;
  --success: #12B77A;
  --amber: #FF8A3D;
  --shadow-sm: 0 1px 2px rgba(23, 56, 92, 0.03), 0 8px 24px rgba(23, 56, 92, 0.06);
  --shadow-hover: 0 2px 4px rgba(23, 56, 92, 0.04), 0 14px 32px rgba(23, 56, 92, 0.1);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-pill: 999px;
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei UI", "HarmonicOS Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

ul,
ol {
  list-style: none;
}

.container {
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 28px;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

/* Header */
.site-header {
  position: sticky;
  top: 14px;
  z-index: 1000;
  margin-top: 14px;
  padding: 0 24px;
}

.site-nav {
  max-width: 1220px;
  margin: 0 auto;
  height: 68px;
  padding: 0 20px;
  background: rgba(255, 255, 255, 0.88);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(224, 233, 244, 0.85);
  border-radius: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  transition: box-shadow 0.2s ease;
}

.site-nav:hover {
  box-shadow: 0 2px 4px rgba(23, 56, 92, 0.04), 0 12px 30px rgba(23, 56, 92, 0.09);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
  color: var(--text);
}

.brand-icon {
  width: 40px;
  height: 40px;
  background: var(--primary-soft);
  color: var(--primary-deep);
  border-radius: 13px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: inset 0 0 0 1px rgba(46, 111, 216, 0.08);
}

.brand-icon svg {
  width: 23px;
  height: 23px;
}

.brand-name {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.brand-name small {
  display: block;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--primary);
}

.nav-drawer {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  padding: 8px 15px;
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-2);
  border-radius: var(--radius-pill);
  transition: background-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

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

.nav-link.current {
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-weight: 600;
}

.nav-cta {
  min-width: 116px;
  height: 42px;
  padding: 0 22px;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: transform 0.2s ease, background-color 0.2s ease, box-shadow 0.2s ease;
}

.nav-cta:hover {
  background: var(--primary-deep);
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(29, 85, 184, 0.28);
}

.nav-cta:active {
  transform: translateY(0);
}

.drawer-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: #fff;
  border-radius: 50%;
  position: relative;
}

.drawer-toggle span {
  position: absolute;
  left: 12px;
  right: 12px;
  height: 2px;
  background: var(--text);
  border-radius: 4px;
  transition: all 0.25s ease;
}

.drawer-toggle span:first-child {
  top: 17px;
}

.drawer-toggle span:last-child {
  bottom: 17px;
}

.drawer-toggle.active span:first-child {
  top: 21px;
  transform: rotate(45deg);
}

.drawer-toggle.active span:last-child {
  bottom: 21px;
  transform: rotate(-45deg);
}

/* 分类页 hero */
.mini-hero {
  position: relative;
  padding: 58px 0 96px;
  background-color: #E9F3FC;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
}

.mini-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(247, 250, 253, 0.96) 10%, rgba(234, 242, 253, 0.87) 58%, rgba(222, 237, 251, 0.7) 100%);
}

.mini-hero::after {
  content: "";
  position: absolute;
  right: -130px;
  top: -120px;
  width: 390px;
  height: 390px;
  background: rgba(46, 111, 216, 0.09);
  border-radius: 50%;
}

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

.breadcrumb {
  margin-bottom: 28px;
}

.breadcrumb ol {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-3);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: #C2D2E5;
}

.breadcrumb a {
  color: var(--text-2);
  transition: color 0.2s ease;
}

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

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 15px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(46, 111, 216, 0.18);
  border-radius: var(--radius-pill);
  color: var(--primary-deep);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
}

.hero-eyebrow::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--success);
  border-radius: 50%;
}

.mini-hero h1 {
  font-size: 46px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  font-weight: 700;
  color: var(--text);
  max-width: 800px;
}

.mini-hero h1 .text-primary {
  color: var(--primary);
}

.hero-desc {
  margin-top: 18px;
  font-size: 16px;
  color: var(--text-2);
  max-width: 660px;
  line-height: 1.9;
  background: rgba(255, 255, 255, 0.55);
  padding: 20px 24px;
  border-radius: 18px;
  border: 1px solid rgba(224, 233, 244, 0.85);
}

.hero-anchor {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 25px;
}

.hero-anchor a {
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 18px;
  border-radius: var(--radius-pill);
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.hero-anchor a:hover {
  border-color: var(--primary);
  color: var(--primary-deep);
  background: var(--primary-soft);
  transform: translateY(-1px);
}

/* 服务状态卡 */
.status-section {
  padding: 0 0 78px;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: -42px;
  position: relative;
  z-index: 3;
}

.status-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.status-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.status-icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.status-icon svg {
  width: 23px;
  height: 23px;
}

.status-icon.blue {
  background: var(--primary-soft);
  color: var(--primary-deep);
}

.status-icon.green {
  background: #E3F7EF;
  color: #0E9E66;
}

.status-icon.amber {
  background: #FFF1E7;
  color: #F47B23;
}

.status-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.status-text {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.6;
  margin-top: 2px;
}

.status-note {
  font-size: 12px;
  color: var(--text-3);
}

/* 板块标题 */
.section-header {
  margin-bottom: 44px;
  position: relative;
  max-width: 720px;
}

.eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--primary);
  background: var(--primary-soft);
  border-radius: var(--radius-pill);
  padding: 5px 13px;
  margin-bottom: 14px;
}

.section-header h2 {
  font-size: 34px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text);
}

.section-header p {
  margin-top: 13px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.85;
}

.section-line {
  width: 120px;
  height: 3px;
  border-radius: 3px;
  margin-top: 16px;
  background: linear-gradient(90deg, var(--primary) 0%, rgba(46, 111, 216, 0) 100%);
}

/* 公告列表 */
.announcements {
  padding: 74px 0 90px;
  background: #fff;
}

.announce-wrap {
  position: relative;
}

.announce-list {
  display: grid;
  gap: 28px;
}

.announcement-item {
  display: flex;
  gap: 32px;
  align-items: stretch;
}

.announce-date {
  flex: 0 0 138px;
  background: var(--primary-soft);
  border-radius: 18px;
  padding: 20px 14px;
  min-height: 115px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid rgba(46, 111, 216, 0.1);
  transition: background 0.2s ease;
}

.announcement-item:hover .announce-date {
  background: #DFEAFA;
}

.announce-day {
  font-size: 30px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--primary-deep);
  letter-spacing: -0.02em;
}

.announce-month {
  font-size: 12.5px;
  color: var(--text-2);
  margin-top: 4px;
  font-weight: 600;
}

.announce-body {
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.announcement-item:hover .announce-body {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.announce-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.announce-meta time {
  font-size: 12.5px;
  color: var(--text-3);
}

.tag {
  display: inline-flex;
  align-items: center;
  background: var(--primary-soft);
  color: var(--primary-deep);
  font-size: 12.5px;
  font-weight: 600;
  border-radius: var(--radius-pill);
  padding: 4px 12px;
}

.tag.green {
  background: #E6F7F1;
  color: #0B9560;
}

.tag.amber {
  background: #FFF2E9;
  color: #EB7A28;
}

.announce-body h3 {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 8px;
}

.announce-body h3 a {
  transition: color 0.2s ease;
}

.announce-body h3 a:hover {
  color: var(--primary);
}

.announce-body p {
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.85;
  margin-bottom: 13px;
}

.announce-link {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  transition: color 0.2s ease, gap 0.2s ease;
}

.announce-link:hover {
  color: var(--primary-deep);
  gap: 8px;
}

/* 登录入口提示区 */
.notice-guide {
  background: var(--bg-soft);
  padding: 90px 0;
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.tip-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.tip-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.tip-media {
  width: 100%;
  background: var(--primary-soft);
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 20px;
}

.tip-media img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.tip-num {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.08em;
}

.tip-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
  margin: 6px 0 8px;
  line-height: 1.5;
}

.tip-card p {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 12px;
}

.tip-link {
  font-size: 13.5px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  gap: 5px;
  transition: gap 0.2s ease;
}

.tip-link:hover {
  gap: 8px;
  color: var(--primary-deep);
}

/* FAQ 公告问答 */
.faq-area {
  background: #fff;
  padding: 90px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 58px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 120px;
}

.faq-intro .eyebrow {
  margin-bottom: 12px;
}

.faq-intro h2 {
  font-size: 34px;
  line-height: 1.32;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.faq-intro p {
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 24px;
}

.faq-link-box {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary-deep);
  font-size: 14px;
  font-weight: 600;
  background: var(--primary-soft);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  transition: all 0.2s ease;
}

.faq-link-box:hover {
  background: #DDEBFA;
  transform: translateX(2px);
}

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

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.faq-item:hover {
  border-color: #BED3EE;
  box-shadow: var(--shadow-sm);
}

.faq-item[open] {
  background: #fff;
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  line-height: 1.6;
}

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

.faq-item summary::after {
  content: "+";
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  background: var(--primary-soft);
  color: var(--primary-deep);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
  transform: rotate(180deg);
  background: var(--primary);
  color: #fff;
}

.faq-item .answer {
  padding: 0 22px 20px;
  color: var(--text-2);
  font-size: 14.5px;
  line-height: 1.85;
}

/* CTA */
.cta-final {
  padding: 24px 0 90px;
}

.cta-panel {
  position: relative;
  overflow: hidden;
  background-color: var(--dark-blue);
  background-image: url('/assets/images/backpic/back-1.png');
  background-position: center;
  background-size: cover;
  border-radius: 28px;
  color: #fff;
  padding: 74px 40px;
  text-align: center;
}

.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(20, 52, 98, 0.9) 10%, rgba(31, 78, 133, 0.85) 60%, rgba(39, 91, 155, 0.72) 100%);
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 37px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
}

.cta-content p {
  color: rgba(255, 255, 255, 0.86);
  font-size: 15.5px;
  line-height: 1.9;
  margin-bottom: 30px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  height: 48px;
  padding: 0 30px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  min-width: 240px;
  height: 54px;
  box-shadow: 0 8px 24px rgba(14, 45, 88, 0.2);
}

.btn-primary:hover {
  background: #4B8DF0;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(14, 45, 88, 0.24);
}

.btn-light {
  background: #fff;
  color: var(--dark-blue);
}

.btn-light:hover {
  background: #EDF4FF;
  transform: translateY(-1px);
}

.btn-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  flex-wrap: wrap;
}

.cta-footnote {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
  margin-top: 32px;
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.7);
}

.cta-footnote span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.cta-footnote span::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--success);
  border-radius: 50%;
}

/* Footer */
.site-footer {
  background: var(--dark-navy);
  color: #B6C7DC;
  padding: 62px 0 0;
  margin-top: 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.9fr 1.1fr;
  gap: 42px;
  padding-bottom: 38px;
}

.footer-brand h3 {
  color: #fff;
  font-size: 19px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 11px;
}

.footer-icon {
  color: var(--primary);
  display: inline-flex;
}

.footer-brand p {
  font-size: 13.5px;
  line-height: 1.9;
  color: #9FB5CE;
  max-width: 340px;
}

.footer-title {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin: 6px 0 14px;
}

.footer-links {
  display: grid;
  gap: 4px;
}

.footer-links a {
  display: inline-block;
  color: #A9BDD4;
  font-size: 13.5px;
  padding: 5px 0;
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  color: #7FA9EA;
  padding-left: 4px;
}

.footer-contact {
  font-style: normal;
}

.footer-contact li {
  font-size: 13px;
  padding: 5px 0;
  line-height: 1.7;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12.5px;
  color: #90A9C4;
}

/* 响应式 */
@media (max-width: 1100px) {
  .nav-drawer {
    position: fixed;
    top: 82px;
    right: 16px;
    left: 16px;
    z-index: 99;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 22px;
    box-shadow: var(--shadow-hover);
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.22s ease;
  }

  .nav-drawer.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-link {
    display: block;
    border-radius: 12px;
    padding: 13px 16px;
  }

  .nav-cta {
    margin-top: 8px;
    height: 48px;
  }

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

  .mini-hero h1 {
    font-size: 38px;
  }

  .section-header h2 {
    font-size: 30px;
  }

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

  .faq-intro {
    position: static;
  }

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

@media (max-width: 768px) {
  .status-grid {
    grid-template-columns: 1fr;
    margin-top: -10px;
    gap: 14px;
  }

  .mini-hero {
    padding: 42px 0 70px;
  }

  .mini-hero h1 {
    font-size: 32px;
  }

  .hero-desc {
    font-size: 14.5px;
    padding: 17px 18px;
  }

  .status-section {
    padding-bottom: 50px;
  }

  .announcements {
    padding: 58px 0 64px;
  }

  .announcement-item {
    flex-direction: column;
    gap: 14px;
  }

  .announce-date {
    flex-basis: auto;
    flex-direction: row;
    justify-content: flex-start;
    gap: 14px;
    min-height: 60px;
    padding: 12px 18px;
    align-self: flex-start;
  }

  .announce-month {
    margin-top: 0;
  }

  .announce-body {
    padding: 22px;
  }

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

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

  .cta-panel {
    padding: 56px 20px;
  }

  .cta-content h2 {
    font-size: 28px;
  }

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

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

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

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

  .site-nav {
    height: 64px;
    padding: 0 12px;
  }

  .brand-name {
    font-size: 16px;
  }

  .brand-icon {
    width: 36px;
    height: 36px;
  }

  .mini-hero h1 {
    font-size: 27px;
  }

  .hero-desc {
    font-size: 14px;
  }

  .hero-anchor a {
    height: 38px;
    padding: 0 14px;
    font-size: 13px;
  }

  .eyebrow {
    font-size: 11.5px;
  }

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

  .announce-month,
  .announce-meta time {
    font-size: 11.5px;
  }

  .btn-row {
    gap: 12px;
  }

  .btn-primary,
  .btn-light {
    width: 100%;
    height: 52px;
  }

  .site-footer {
    padding-top: 48px;
  }
}