/* roulang page: index */
:root{
  --brand:#2F6BE4;
  --brand-dark:#1F4FB8;
  --brand-soft:#EAF1FE;
  --sand:#F3B64B;
  --sand-soft:#FEF5E4;
  --teal:#1FA99A;
  --teal-soft:#E6F7F5;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#1C2530;
  --muted:#5C6B7F;
  --line:#E5EBF3;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(31,58,95,.08);
  --shadow-hover:0 16px 40px rgba(31,58,95,.12);
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(47,107,228,.35);outline-offset:2px;border-radius:8px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--section-y) 0}
.section--tight{padding:64px 0}
.section--plain{background:var(--surface)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:17px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;padding:10px 0}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);white-space:nowrap}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;
  background:#fff;opacity:.88;
}
.logo:hover .logo-mark{transform:translateY(-1px);transition:transform .2s ease}
.seg-nav{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;
  background:#EEF3FA;color:var(--muted);
  font-size:14px;font-weight:500;white-space:nowrap;
  transition:all .2s ease;
}
.chip:hover{color:var(--brand);background:#fff;box-shadow:inset 0 0 0 1px var(--brand);transform:translateY(-1px)}
.chip.is-active{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(47,107,228,.28)}
.chip.is-active:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 24px rgba(47,107,228,.32)}
.header-cta{flex:0 0 auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.2;
  transition:all .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(47,107,228,.26)}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 16px 32px rgba(47,107,228,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(47,107,228,.24)}
.btn-ghost{background:#fff;color:var(--brand);box-shadow:inset 0 0 0 1px var(--line)}
.btn-ghost:hover{color:var(--brand-dark);box-shadow:inset 0 0 0 1px var(--brand),0 12px 26px rgba(31,58,95,.08);transform:translateY(-2px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.text-link{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{color:var(--brand-dark)}
.text-link::after{content:"→";transition:transform .2s ease}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- hero ---------- */
.hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(246,249,252,.96) 0%,rgba(246,249,252,.88) 42%,rgba(234,241,254,.72) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
  padding:78px 0 72px;
}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center}
.hero h1{font-size:clamp(30px,3.6vw,44px);line-height:1.22;margin-bottom:18px}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:var(--brand-dark);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;
}
.tag--sand{color:#8A5A0B;background:var(--sand-soft)}
.tag--teal{color:#0E6E63;background:var(--teal-soft)}

.hero-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:26px 26px 20px;
}
.hero-card h2{font-size:17px;margin-bottom:6px}
.hero-card .card-note{color:var(--muted);font-size:13.5px;margin-bottom:16px}
.status-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14.5px;
}
.status-list li:last-child{border-bottom:0}
.status-list .label{color:var(--muted)}
.status-list .value{font-weight:600;color:var(--text);font-variant-numeric:tabular-nums}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--teal);margin-right:7px;vertical-align:middle}
.dot--sand{background:var(--sand)}

/* ---------- trust ---------- */
.trust{background:var(--surface);border-bottom:1px solid var(--line)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:34px 0}
.trust-item{display:flex;align-items:flex-start;gap:14px}
.trust-icon{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-weight:700;font-size:15px;
}
.trust-item h3{font-size:15.5px;margin-bottom:4px}
.trust-item p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* ---------- pain ---------- */
.split{display:grid;grid-template-columns:340px 1fr;gap:48px;align-items:start}
.split-side h2{font-size:clamp(24px,2.4vw,30px);margin-bottom:14px}
.split-side p{color:var(--muted);font-size:16px}
.pain-list{display:grid;gap:18px}
.pain-card{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:24px 26px;transition:all .24s ease;
}
.pain-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.pain-num{
  flex:0 0 auto;width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--sand-soft);color:#8A5A0B;font-weight:700;font-size:15px;
}
.pain-card h3{font-size:18px;margin-bottom:8px}
.pain-card p{color:var(--muted);font-size:15px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px 24px;box-shadow:var(--shadow);
  transition:all .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D5E1F5}
.step-num{
  font-size:26px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  display:block;margin-bottom:14px;
}
.step h3{font-size:17.5px;margin-bottom:10px}
.step p{color:var(--muted);font-size:14.5px;margin-bottom:16px}
.step-line{height:3px;border-radius:999px;background:var(--brand-soft)}
.step.is-key .step-num{color:var(--brand-dark)}
.step.is-key{background:linear-gradient(180deg,#FBFDFF,#FFFFFF)}

/* ---------- stats ---------- */
.stats-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  display:grid;grid-template-columns:repeat(4,1fr);
  padding:12px 0;
}
.stat{padding:26px 24px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat strong{
  display:block;font-size:38px;line-height:1.1;font-weight:700;
  color:var(--brand-dark);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.stat span{display:block;margin-top:10px;color:var(--muted);font-size:14.5px}

/* ---------- testimonial ---------- */
.quote-rail{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:28px 26px;display:flex;flex-direction:column;gap:18px;
  transition:all .24s ease;
}
.quote:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.quote p{font-size:15.5px;color:#2A3644;line-height:1.8}
.quote p::before{content:"“";color:var(--brand);font-size:26px;font-weight:700;margin-right:2px}
.quote p::after{content:"”";color:var(--brand);font-size:26px;font-weight:700;margin-left:2px}
.quote-person{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
}
.quote-person strong{display:block;font-size:15px}
.quote-person span{display:block;font-size:13px;color:var(--muted)}

/* ---------- news ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.news-head .section-head{margin-bottom:0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  overflow:hidden;display:flex;flex-direction:column;
  transition:all .24s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.news-card__thumb{display:block;overflow:hidden;aspect-ratio:16/9;background:#E8EFF9}
.news-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-card__thumb img{transform:scale(1.03)}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.badge{
  align-self:flex-start;font-size:12.5px;font-weight:600;
  color:#8A5A0B;background:var(--sand-soft);
  padding:5px 12px;border-radius:999px;
}
.news-card h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card h3 a:hover{color:var(--brand)}
.news-card .excerpt{
  color:var(--muted);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.news-foot time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.news-card--lead{grid-column:1 / -1;flex-direction:row;align-items:stretch}
.news-card--lead .news-card__thumb{flex:1 1 52%;aspect-ratio:auto;min-height:300px}
.news-card--lead .news-card__body{flex:1 1 48%;padding:32px 34px;gap:16px;justify-content:center}
.news-card--lead h3{font-size:23px;-webkit-line-clamp:3}
.news-card--lead .excerpt{font-size:15.5px;-webkit-line-clamp:3}
.empty-state{
  grid-column:1 / -1;background:var(--surface);border:1px dashed #C9D8EC;
  border-radius:var(--radius);padding:56px 24px;text-align:center;
}
.empty-state strong{display:block;font-size:17px;margin-bottom:8px}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:18px}
.empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:0 6px 18px rgba(31,58,95,.06);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item[open]{border-color:#D2E0F6;box-shadow:0 12px 30px rgba(31,58,95,.1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:11px;height:11px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .25s ease;margin-right:4px;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 26px 22px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(120deg,#EAF1FE,#F6F9FC 62%);
  border:1px solid #DCE7F9;border-radius:22px;
  padding:54px 44px;text-align:center;
  box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,2.2vw,30px);margin-bottom:14px}
.cta-band p{color:var(--muted);font-size:16.5px;max-width:680px;margin:0 auto 28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{background:#132038;color:#C3CEDD;margin-top:8px;padding-top:66px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:46px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:linear-gradient(135deg,#4C86F5,#2F6BE4)}
.footer-brand p{font-size:14.5px;line-height:1.8;color:#93A3B8;max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:#A8B6C9}
.footer-col a:hover{color:#7FA9FF}
.footer-contact li{font-size:14.5px;color:#A8B6C9;margin-bottom:11px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13.5px;color:#8394AA;
}
.footer-bottom a:hover{color:#7FA9FF}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  :root{--section-y:72px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr;gap:30px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .stats-wrap{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .quote-rail{grid-template-columns:1fr;gap:18px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:22px;padding:30px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;row-gap:10px;padding:12px 0}
  .logo{order:1}
  .header-cta{order:2;margin-left:auto}
  .seg-nav{
    order:3;width:100%;justify-content:flex-start;
    overflow-x:auto;padding-bottom:6px;
    -ms-overflow-style:none;scrollbar-width:none;
  }
  .seg-nav::-webkit-scrollbar{display:none}
}
@media (max-width:768px){
  :root{--section-y:58px}
  body{font-size:15.5px}
  .hero{padding:54px 0 50px}
  .hero-actions .btn{width:100%}
  .news-card--lead{flex-direction:column}
  .news-card--lead .news-card__thumb{min-height:0;aspect-ratio:16/9}
  .news-card--lead .news-card__body{padding:24px}
  .news-head{flex-direction:column;align-items:flex-start}
  .cta-band{padding:40px 24px}
  .faq-item summary{padding:18px 20px;font-size:15.5px}
  .faq-body{padding:0 20px 20px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .trust-grid{grid-template-columns:1fr;gap:18px}
  .steps{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .stats-wrap{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .pain-card{flex-direction:column;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-actions .btn{width:100%}
  .hero h1{font-size:28px}
}

/* roulang page: category1 */
:root{
  --brand:#2F6BE4;
  --brand-dark:#1F4FB8;
  --brand-soft:#EAF1FE;
  --sand:#F3B64B;
  --sand-soft:#FEF4E2;
  --celadon:#1FA99A;
  --celadon-soft:#E6F6F4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ink:#1C2530;
  --ink-soft:#5C6B7F;
  --line:#E5EBF3;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-1:0 10px 30px rgba(31,58,95,.08);
  --shadow-2:0 16px 40px rgba(31,58,95,.12);
  --space-section:88px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-md);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;line-height:1.3;letter-spacing:.2px;}
h1{font-size:44px;}
h2{font-size:32px;}
h3{font-size:21px;}
h4{font-size:17px;}
p{margin:0 0 14px;}
ul{margin:0 0 14px;padding-left:20px;}
li{margin-bottom:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--brand);
  background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head p{color:var(--ink-soft);font-size:17px;margin-bottom:0;}
.text-soft{color:var(--ink-soft);}

/* header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:74px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);
  white-space:nowrap;
}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 28px;
  background:linear-gradient(135deg,var(--brand) 0%,var(--celadon) 100%);
  box-shadow:0 6px 14px rgba(47,107,228,.28);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;inset:9px;border-radius:4px;background:#fff;opacity:.9;
}
.seg-nav{
  display:flex;align-items:center;gap:8px;
  margin-left:auto;
  background:#F1F5FB;
  padding:6px;border-radius:999px;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg-nav::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-soft);
  white-space:nowrap;
  border:1px solid transparent;
  transition:all .22s ease;
}
.chip:hover{color:var(--brand-dark);border-color:var(--brand);background:#fff;}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px rgba(47,107,228,.24);}
.header-cta{margin-left:8px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(47,107,228,.26);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(47,107,228,.32);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:#C9DAF9;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:16px 32px;font-size:16px;}

/* hero */
.page-hero{
  position:relative;
  padding:74px 0 78px;
  background-image:linear-gradient(180deg,rgba(246,249,252,.94) 0%,rgba(246,249,252,.98) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start;}
.page-hero h1{font-size:42px;margin-bottom:18px;}
.page-hero .lead{font-size:18px;color:var(--ink-soft);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;font-size:14px;color:var(--ink-soft);}
.hero-meta i{color:var(--celadon);margin-right:6px;}
.info-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 26px 22px;
  box-shadow:var(--shadow-1);
}
.info-card h3{font-size:18px;margin-bottom:16px;}
.info-list{list-style:none;padding:0;margin:0;}
.info-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--ink-soft);margin:0;
}
.info-list li:last-child{border-bottom:0;padding-bottom:0;}
.info-list .dot{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}
.info-card .badge{margin-top:16px;}

/* badge */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;
  background:var(--sand-soft);color:#9A6608;
}
.badge-blue{background:var(--brand-soft);color:var(--brand-dark);}
.badge-green{background:var(--celadon-soft);color:#12786C;}

/* chips bar */
.chip-bar{
  display:flex;flex-wrap:wrap;gap:10px;
  padding:18px 0 0;
}
.chip-bar a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14.5px;font-weight:600;color:var(--ink-soft);
  box-shadow:0 4px 12px rgba(31,58,95,.05);
}
.chip-bar a:hover{color:var(--brand-dark);border-color:#C9DAF9;transform:translateY(-2px);}

/* 左目录右列表 */
.guide-layout{display:grid;grid-template-columns:270px 1fr;gap:44px;align-items:start;}
.toc{
  position:sticky;top:100px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:22px;
  box-shadow:var(--shadow-1);
}
.toc h4{font-size:15px;color:var(--ink-soft);letter-spacing:1px;margin-bottom:14px;}
.toc ol{list-style:none;counter-reset:toc;padding:0;margin:0;}
.toc li{counter-increment:toc;margin-bottom:6px;}
.toc a{
  display:flex;gap:10px;padding:9px 10px;border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--ink-soft);font-weight:500;
}
.toc a::before{content:counter(toc,decimal-leading-zero);color:#AFC1D8;font-weight:700;font-variant-numeric:tabular-nums;}
.toc a:hover{background:var(--brand-soft);color:var(--brand-dark);}

.step-list{display:flex;flex-direction:column;gap:20px;}
.step-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.step-card .step-top{display:flex;align-items:center;gap:14px;margin-bottom:10px;}
.step-num{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-card h3{margin:0;font-size:19px;}
.step-card p{margin:0;color:var(--ink-soft);font-size:15.5px;}
.step-card .link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-weight:600;font-size:14.5px;}

/* 表格 */
.table-wrap{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);
  overflow-x:auto;
}
table.entry-table{width:100%;border-collapse:collapse;min-width:640px;margin:0;}
table.entry-table th,table.entry-table td{
  text-align:left;padding:16px 22px;font-size:15px;
  border-bottom:1px solid var(--line);
}
table.entry-table th{background:#F7FAFF;color:var(--ink);font-weight:700;font-size:14.5px;}
table.entry-table td{color:var(--ink-soft);}
table.entry-table tr:last-child td{border-bottom:0;}
table.entry-table td strong{color:var(--ink);}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.flow-item{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 22px 24px;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease;
}
.flow-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.flow-item .flow-idx{
  font-size:13px;font-weight:700;letter-spacing:2px;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.flow-item h3{font-size:18px;margin:10px 0 8px;}
.flow-item p{font-size:15px;color:var(--ink-soft);margin:0;}
.flow-line{height:2px;background:linear-gradient(90deg,var(--brand) 0%,var(--celadon) 100%);border-radius:2px;width:52px;margin:18px 0 0;}

/* 适用场景 左图右文 */
.scene-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center;}
.scene-img{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);}
.scene-img img{width:100%;aspect-ratio:3/2;object-fit:cover;border-radius:var(--radius-lg);transition:transform .35s ease;}
.scene-img:hover img{transform:scale(1.02);}
.scene-list{list-style:none;padding:0;margin:0;}
.scene-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid var(--line);
}
.scene-list li:last-child{border-bottom:0;}
.scene-list i{
  flex:0 0 36px;width:36px;height:36px;border-radius:11px;
  background:var(--celadon-soft);color:#12786C;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.scene-list h4{margin:0 0 4px;font-size:16.5px;}
.scene-list p{margin:0;font-size:15px;color:var(--ink-soft);}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);margin-bottom:14px;
  box-shadow:0 6px 18px rgba(31,58,95,.05);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;min-height:56px;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7FAFF;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item[open] summary{border-bottom:1px solid var(--line);}
.faq-body{padding:18px 24px 22px;color:var(--ink-soft);font-size:15.5px;line-height:1.8;}
.faq-body p:last-child{margin-bottom:0;}

/* CTA */
.cta-band{
  background:linear-gradient(135deg,#EAF1FE 0%,#E6F6F4 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:56px 0;
}
.cta-inner h2{font-size:28px;margin-bottom:10px;}
.cta-inner p{color:var(--ink-soft);margin:0;max-width:660px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* footer */
.site-footer{background:#0F1B2D;color:#C7D2E1;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.site-footer .logo{color:#fff;margin-bottom:14px;}
.site-footer .logo:hover{color:#fff;}
.footer-brand p{color:#93A2B8;font-size:14.5px;line-height:1.8;margin:0;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;font-size:14.5px;}
.footer-col a{color:#93A2B8;}
.footer-col a:hover{color:#fff;}
.footer-contact li{color:#93A2B8;line-height:1.7;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#7C8CA3;
}

/* 响应式 */
@media (max-width:1024px){
  :root{--space-section:72px;}
  h1{font-size:36px;}
  .page-hero h1{font-size:34px;}
  h2{font-size:27px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .guide-layout{grid-template-columns:1fr;gap:28px;}
  .toc{position:static;}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .scene-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px;}
}
@media (max-width:768px){
  :root{--space-section:60px;}
  .container{padding:0 18px;}
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:auto;}
  .seg-nav{order:3;width:100%;margin-left:0;}
  .header-cta{margin-left:auto;}
  h1{font-size:31px;}
  .page-hero{padding:52px 0 56px;}
  .page-hero h1{font-size:30px;}
  .page-hero .lead{font-size:16.5px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .hero-actions .btn{width:100%;}
  .flow-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-actions .btn{width:100%;}
  .chip-bar a{flex:1 1 auto;justify-content:center;}
}
@media (max-width:520px){
  h1{font-size:27px;}
  .page-hero h1{font-size:26px;}
  .info-card{padding:20px;}
  .step-card{padding:20px;}
  table.entry-table th,table.entry-table td{padding:14px 16px;}
}

/* roulang page: article */
:root{
  --brand:#2F6BE4;
  --brand-dark:#1F4FB8;
  --brand-soft:#EAF1FE;
  --sand:#F3B64B;
  --sand-soft:#FDF3E0;
  --celadon:#1FA99A;
  --celadon-soft:#E6F6F4;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --ink:#1C2530;
  --muted:#5C6B7F;
  --line:#E5EBF3;
  --radius:16px;
  --radius-sm:12px;
  --radius-lg:24px;
  --shadow:0 10px 30px rgba(31,58,95,.08);
  --shadow-hover:0 16px 40px rgba(31,58,95,.12);
  --container:1200px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(47,107,228,.35);outline-offset:2px;border-radius:8px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
  width:30px;
  height:30px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--brand) 0%,#4F86F0 55%,var(--celadon) 100%);
  box-shadow:0 6px 14px rgba(47,107,228,.32);
  position:relative;
  flex:none;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:9px;
  border-radius:5px;
  background:#fff;
  opacity:.92;
}
.seg-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin:0 auto;
  flex-wrap:nowrap;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 18px;
  border-radius:999px;
  background:#F0F4FA;
  border:1px solid transparent;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.chip:hover{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(47,107,228,.12);
}
.chip.is-active{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  box-shadow:0 8px 20px rgba(47,107,228,.28);
}
.header-cta{flex:none;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:15px 32px;font-size:16px;}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 10px 24px rgba(47,107,228,.26);
}
.btn-primary:hover{
  background:var(--brand-dark);
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 14px 30px rgba(31,79,184,.3);
}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:#C9D9F7;
}
.btn-ghost:hover{
  border-color:var(--brand);
  color:var(--brand-dark);
  transform:translateY(-2px);
  box-shadow:0 12px 26px rgba(47,107,228,.14);
}
.btn:active{transform:translateY(0);}

/* ============ 文章页首屏 ============ */
.page-hero{
  position:relative;
  padding:56px 0 40px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.9) 60%,rgba(246,249,252,.98) 100%);
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B7C3D3;}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:13px;
  font-weight:600;
  margin-bottom:16px;
}
.article-title{
  font-size:42px;
  line-height:1.28;
  max-width:900px;
  margin-bottom:20px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:14.5px;
  color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--brand);font-size:13px;}

/* ============ 正文布局 ============ */
.article-section{padding:56px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;
  align-items:start;
}
.article-main{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:40px 44px;
  max-width:820px;
}
.article-body{font-size:17.5px;line-height:1.85;color:#25303D;}
.article-body > * + *{margin-top:18px;}
.article-body h2{
  font-size:29px;
  margin-top:44px;
  margin-bottom:14px;
  padding-left:16px;
  border-left:5px solid var(--brand);
  line-height:1.4;
}
.article-body h3{
  font-size:21px;
  margin-top:32px;
  margin-bottom:10px;
  color:var(--brand-dark);
}
.article-body h4{font-size:18px;margin-top:24px;margin-bottom:8px;}
.article-body p{margin-top:16px;}
.article-body ul,.article-body ol{margin-top:16px;padding-left:4px;}
.article-body li{
  position:relative;
  padding-left:22px;
  margin-bottom:10px;
}
.article-body ul > li::before{
  content:"";
  position:absolute;
  left:2px;
  top:11px;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--brand);
}
.article-body ol{counter-reset:olist;}
.article-body ol > li{counter-increment:olist;}
.article-body ol > li::before{
  content:counter(olist);
  position:absolute;
  left:0;
  top:3px;
  width:19px;
  height:19px;
  border-radius:6px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:700;
  line-height:19px;
  text-align:center;
}
.article-body blockquote{
  margin:26px 0;
  padding:18px 24px;
  background:#F8FBFF;
  border-left:4px solid var(--celadon);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#31404F;
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:14px;margin:24px 0;box-shadow:0 10px 28px rgba(31,58,95,.1);}
.article-body a{
  color:var(--brand);
  border-bottom:1px solid rgba(47,107,228,.35);
  font-weight:500;
}
.article-body a:hover{border-bottom-color:var(--brand-dark);color:var(--brand-dark);}
.article-body table{
  display:block;
  width:100%;
  overflow-x:auto;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15.5px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
}
.article-body th,.article-body td{
  padding:12px 16px;
  border-bottom:1px solid var(--line);
  text-align:left;
  white-space:nowrap;
}
.article-body th{background:#F4F8FE;color:var(--brand-dark);font-weight:600;}
.article-body tr:last-child td{border-bottom:none;}
.article-body pre{
  background:#1C2530;
  color:#E8EFFA;
  padding:20px 22px;
  border-radius:var(--radius-sm);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:24px 0;
}
.article-body code{
  background:#F1F5FB;
  color:var(--brand-dark);
  padding:2px 7px;
  border-radius:6px;
  font-size:14.5px;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:34px 0;}

.empty-state{
  text-align:center;
  padding:64px 24px;
  background:#F8FBFF;
  border:1px dashed #CDDCF5;
  border-radius:var(--radius);
}
.empty-state i{font-size:34px;color:#A9BEDF;margin-bottom:14px;display:block;}
.empty-state h3{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

.article-footer{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.article-footer .back-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-weight:600;
  font-size:15px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 14px;
  border-radius:999px;
  background:#F0F4FA;
  color:var(--muted);
  font-size:13px;
  font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand-soft);color:var(--brand-dark);}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:24px;
}
.side-card.is-sticky{position:sticky;top:100px;}
.side-title{
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:8px;
}
.side-title::before{
  content:"";
  width:6px;
  height:18px;
  border-radius:3px;
  background:var(--brand);
}
.side-list li + li{border-top:1px solid var(--line);}
.side-list a{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:13px 0;
  color:var(--ink);
  font-size:15px;
  font-weight:500;
  line-height:1.6;
  transition:color .2s ease,transform .2s ease;
}
.side-list a:hover{color:var(--brand);transform:translateX(3px);}
.side-list .idx{
  flex:none;
  width:22px;
  height:22px;
  border-radius:7px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:700;
  line-height:22px;
  text-align:center;
  margin-top:2px;
}
.side-note{
  background:linear-gradient(160deg,#F4F8FE 0%,#FFFFFF 100%);
  border-style:solid;
}
.side-note p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.side-note .side-btn{margin-top:16px;width:100%;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom:34px;
}
.section-title{font-size:32px;}
.section-sub{margin-top:10px;color:var(--muted);font-size:16px;max-width:720px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  font-size:15px;
}
.link-more:hover{gap:10px;}

/* ============ 推荐卡片 ============ */
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  height:100%;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:#D5E2F7;
}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EEF3FA;
}
.card-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.card:hover .card-cover img{transform:scale(1.04);}
.card-badge{
  position:absolute;
  left:14px;
  top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(243,182,75,.94);
  color:#5A3B00;
  font-size:12.5px;
  font-weight:700;
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:18.5px;line-height:1.5;font-weight:700;}
.card-title a{color:var(--ink);}
.card-title a:hover{color:var(--brand);}
.card-text{
  color:var(--muted);
  font-size:15px;
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-time{
  margin-top:auto;
  font-size:13.5px;
  color:#8794A8;
  display:flex;
  align-items:center;
  gap:7px;
  padding-top:8px;
}

/* ============ 结尾 CTA ============ */
.cta-band{
  background:linear-gradient(135deg,#EFF5FF 0%,#F8FBFF 52%,#EAF6F4 100%);
  border:1px solid #DCE7F8;
  border-radius:var(--radius-lg);
  padding:48px 44px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{font-size:30px;margin-bottom:10px;}
.cta-band p{color:var(--muted);font-size:16px;max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#FFFFFF;
  border-top:1px solid var(--line);
  padding:60px 0 0;
  margin-top:20px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:14.5px;line-height:1.8;max-width:340px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--ink);
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{
  color:var(--muted);
  font-size:14.5px;
  transition:color .2s ease,padding-left .2s ease;
}
.footer-col ul a:hover{color:var(--brand);padding-left:3px;}
.footer-contact li{
  color:var(--muted);
  font-size:14.5px;
  line-height:1.75;
  margin-bottom:12px;
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding:22px 0;
  border-top:1px solid var(--line);
  color:#8794A8;
  font-size:13.5px;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:22px;
  bottom:26px;
  width:46px;
  height:46px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  box-shadow:var(--shadow);
  display:none;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  z-index:70;
  transition:transform .2s ease,box-shadow .2s ease;
}
.to-top:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.to-top.is-show{display:flex;}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .article-layout{grid-template-columns:minmax(0,1fr) 292px;gap:28px;}
  .article-main{padding:34px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-main{max-width:100%;}
  .side-card.is-sticky{position:static;}
  .side-col{flex-direction:column;}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px;}
  .logo{order:1;}
  .header-cta{order:2;margin-left:auto;}
  .seg-nav{
    order:3;
    width:100%;
    margin:0;
    overflow-x:auto;
    padding-bottom:4px;
    -ms-overflow-style:none;
    scrollbar-width:none;
  }
  .seg-nav::-webkit-scrollbar{display:none;}
  .page-hero{padding:40px 0 32px;}
  .article-title{font-size:32px;}
  .section{padding:60px 0;}
  .section-title{font-size:27px;}
  .cta-band{padding:36px 28px;}
  .cta-band h2{font-size:25px;}
}
@media (max-width:768px){
  .article-main{padding:26px 22px;}
  .article-body{font-size:16.5px;line-height:1.8;}
  .article-body h2{font-size:23px;margin-top:34px;}
  .article-body h3{font-size:19px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .article-title{font-size:27px;}
  .page-hero{padding:32px 0 26px;}
  .logo{font-size:15.5px;}
  .chip{padding:8px 14px;font-size:14px;}
  .header-cta .btn-sm{padding:9px 15px;font-size:13.5px;}
  .article-main{padding:22px 18px;}
  .section{padding:48px 0;}
  .section-title{font-size:23px;}
  .cta-band{padding:28px 20px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .to-top{right:14px;bottom:16px;}
}

/* roulang page: category2 */
:root{
  --brand:#2F6BE4;
  --brand-dark:#1F4FB8;
  --brand-soft:#EAF1FE;
  --sand:#F3B64B;
  --sand-soft:#FDF3E1;
  --celadon:#1FA99A;
  --celadon-soft:#E4F6F3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --text:#1C2530;
  --muted:#5C6B7F;
  --border:#E5EBF3;
  --radius-lg:16px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 6px 18px rgba(31,58,95,.06);
  --shadow:0 10px 30px rgba(31,58,95,.08);
  --shadow-hover:0 16px 40px rgba(31,58,95,.12);
  --section-y:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px;color:var(--text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(47,107,228,.35);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:16px;
  font-weight:600;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(47,107,228,.24);
}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,79,184,.28);}
.btn-ghost{
  background:var(--surface);
  color:var(--brand-dark);
  border-color:#C9D8F5;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:74px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
  width:30px;
  height:30px;
  border-radius:9px;
  background:linear-gradient(135deg,var(--brand),var(--celadon));
  box-shadow:0 6px 14px rgba(47,107,228,.28);
  position:relative;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:9px 8px;
  border-radius:3px;
  background:rgba(255,255,255,.92);
}
.seg-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:8px;
  margin-right:auto;
  padding:6px;
  background:#F1F5FB;
  border:1px solid var(--border);
  border-radius:999px;
  overflow-x:auto;
  scrollbar-width:none;
}
.seg-nav::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  padding:8px 18px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border:1px solid transparent;
  white-space:nowrap;
}
.chip:hover{
  color:var(--brand-dark);
  border-color:#C9D8F5;
  background:#fff;
  transform:translateY(-1px);
}
.chip.is-active{
  background:var(--brand);
  color:#fff;
  border-color:var(--brand);
  box-shadow:0 6px 14px rgba(47,107,228,.24);
}
.header-cta{flex:0 0 auto;}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  padding:60px 0 68px;
  background-image:linear-gradient(180deg,rgba(246,249,252,.94) 0%,rgba(246,249,252,.86) 55%,rgba(246,249,252,.98) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--muted);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:#B9C5D6;}
.page-hero h1{
  font-size:44px;
  line-height:1.24;
  max-width:860px;
}
.hero-lead{
  margin-top:18px;
  max-width:760px;
  font-size:18px;
  color:var(--muted);
  line-height:1.85;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.meta-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  font-size:14px;
  color:var(--muted);
  font-weight:500;
}
.meta-pill i{color:var(--brand);}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.section-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:30px;
}
.section-chips a{
  padding:9px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--border);
  font-size:14px;
  font-weight:600;
  color:var(--muted);
}
.section-chips a:hover{
  border-color:#C9D8F5;
  background:var(--brand-soft);
  color:var(--brand-dark);
  transform:translateY(-1px);
}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-y) 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
  flex-wrap:wrap;
}
.section-head .head-text{max-width:720px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.section-head h2{font-size:32px;}
.section-head p{margin-top:12px;color:var(--muted);font-size:17px;}

/* ---------- 安全要点卡 ---------- */
.safety-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.safety-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.safety-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6E2F6;}
.safety-card .icon-badge{
  width:48px;
  height:48px;
  border-radius:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
  margin-bottom:18px;
  background:var(--brand-soft);
  color:var(--brand-dark);
}
.safety-card.is-sand .icon-badge{background:var(--sand-soft);color:#B57A10;}
.safety-card.is-celadon .icon-badge{background:var(--celadon-soft);color:#137A6D;}
.safety-card h3{font-size:21px;margin-bottom:10px;}
.safety-card p{color:var(--muted);font-size:16px;line-height:1.8;}
.card-list{margin-top:16px;display:grid;gap:8px;}
.card-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--muted);
}
.card-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--celadon);
  opacity:.75;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:340px minmax(0,1fr);
  gap:40px;
  align-items:start;
}
.faq-aside{
  position:sticky;
  top:100px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow-sm);
}
.faq-aside h3{font-size:20px;margin-bottom:14px;}
.faq-aside p{font-size:15px;color:var(--muted);line-height:1.8;}
.faq-aside .aside-facts{margin-top:22px;display:grid;gap:14px;}
.aside-facts .fact{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:14px;
  border-radius:var(--radius-md);
  background:#F8FBFF;
  border:1px solid var(--border);
}
.aside-facts .fact i{color:var(--celadon);margin-top:4px;}
.aside-facts .fact strong{display:block;font-size:15px;}
.aside-facts .fact span{font-size:14px;color:var(--muted);}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item[open]{box-shadow:var(--shadow);border-color:#D6E2F6;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  min-height:56px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F8FBFF;color:var(--brand-dark);}
.faq-item summary .faq-icon{
  flex:0 0 auto;
  width:28px;
  height:28px;
  border-radius:50%;
  background:var(--brand-soft);
  color:var(--brand-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-item[open] summary .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff;}
.faq-answer{
  padding:0 24px 22px;
  border-top:1px solid var(--border);
  margin-top:-1px;
  padding-top:18px;
  color:var(--muted);
  font-size:16px;
  line-height:1.85;
}
.faq-answer strong{color:var(--text);}

/* ---------- 现象对照表 ---------- */
.table-scroll{
  overflow-x:auto;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  background:var(--surface);
  box-shadow:var(--shadow-sm);
}
table.trouble-table{
  width:100%;
  min-width:720px;
  border-collapse:collapse;
  font-size:16px;
}
table.trouble-table thead th{
  text-align:left;
  padding:18px 24px;
  background:#F1F5FB;
  color:var(--brand-dark);
  font-weight:700;
  font-size:15px;
  letter-spacing:.4px;
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
table.trouble-table td{
  padding:18px 24px;
  border-bottom:1px solid var(--border);
  color:var(--muted);
  vertical-align:top;
  line-height:1.7;
}
table.trouble-table tbody tr:last-child td{border-bottom:none;}
table.trouble-table tbody tr:hover{background:#F8FBFF;}
table.trouble-table td:first-child{color:var(--text);font-weight:600;}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--sand-soft);
  color:#A96D06;
  white-space:nowrap;
}
.tag.is-blue{background:var(--brand-soft);color:var(--brand-dark);}
.tag.is-green{background:var(--celadon-soft);color:#11786B;}

/* ---------- 自查清单 ---------- */
.check-flow{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;
  counter-reset:step;
}
.check-step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px 20px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.check-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.check-step .step-num{
  display:block;
  font-size:15px;
  font-weight:700;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.check-step h3{font-size:17px;margin-bottom:8px;}
.check-step p{font-size:15px;color:var(--muted);line-height:1.7;}

/* ---------- 相关入口 ---------- */
.entry-grid{
  display:grid;
  grid-template-columns:1.2fr .9fr .9fr;
  gap:24px;
}
.entry-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease;
}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.entry-card .thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#E9F0FA;
}
.entry-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.entry-card:hover .thumb img{transform:scale(1.03);}
.entry-card .body{
  padding:22px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.entry-card .body h3{font-size:19px;line-height:1.45;}
.entry-card .body h3 a{color:var(--text);}
.entry-card .body h3 a:hover{color:var(--brand);}
.entry-card .body p{font-size:15px;color:var(--muted);line-height:1.75;flex:1;}
.entry-card .more{
  font-size:15px;
  font-weight:600;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:4px;
}
.entry-card .more:hover{gap:12px;}
.entry-card.is-feature .body h3{font-size:22px;}

/* ---------- CTA ---------- */
.cta-panel{
  background:linear-gradient(135deg,#EAF1FE 0%,#F3F9FF 52%,#E7F7F4 100%);
  border:1px solid #D8E5F8;
  border-radius:24px;
  padding:56px 48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:30px;}
.cta-panel p{margin-top:12px;color:var(--muted);font-size:17px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0F1B2D;
  color:#C4D1E2;
  margin-top:0;
  padding:72px 0 0;
}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:48px;
}
.footer-brand p{
  margin-top:18px;
  font-size:15px;
  line-height:1.85;
  color:#93A5BE;
  max-width:340px;
}
.footer-col h4{
  color:#fff;
  font-size:16px;
  margin-bottom:18px;
  font-weight:700;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul a{
  color:#A9BAD1;
  font-size:15px;
}
.footer-col ul a:hover{color:#fff;}
.footer-contact li{
  font-size:15px;
  color:#93A5BE;
  line-height:1.8;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:14px;
  color:#8A9BB4;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1100px){
  .check-flow{grid-template-columns:repeat(3,minmax(0,1fr));}
  .entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:30px;}
}
@media screen and (max-width:1024px){
  :root{--section-y:72px;}
  .page-hero h1{font-size:38px;}
  .faq-wrap{grid-template-columns:minmax(0,1fr);}
  .faq-aside{position:static;}
  .cta-panel{grid-template-columns:minmax(0,1fr);padding:44px 34px;}
  .safety-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:768px){
  :root{--section-y:60px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .header-inner{flex-wrap:wrap;padding:12px 0;gap:12px;min-height:0;}
  .seg-nav{order:3;width:100%;margin:0;border-radius:14px;}
  .header-cta{margin-left:auto;}
  .page-hero{padding:40px 0 48px;}
  .page-hero h1{font-size:31px;}
  .hero-lead{font-size:16.5px;}
  .hero-actions .btn{width:100%;}
  .section-head h2{font-size:26px;}
  .safety-grid{grid-template-columns:minmax(0,1fr);}
  .check-flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .entry-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:32px;padding-bottom:36px;}
  .footer-brand p{max-width:none;}
  .cta-panel{padding:34px 22px;border-radius:18px;}
  .cta-panel h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .faq-item summary{padding:18px;font-size:16px;}
  .faq-answer{padding:0 18px 20px;padding-top:16px;}
}
@media screen and (max-width:520px){
  .logo{font-size:17px;}
  .check-flow{grid-template-columns:minmax(0,1fr);}
  .page-hero h1{font-size:28px;}
  .section-head h2{font-size:23px;}
  .safety-card{padding:22px;}
  .btn-sm{padding:9px 16px;font-size:14px;}
}