/* roulang page: index */
:root{
  --ink:#1b1f4b;
  --ink-2:#3a3f66;
  --gold:#e8b13a;
  --violet:#6d5bd0;
  --bg:#f7f8fc;
  --alt:#eef0f8;
  --card:#ffffff;
  --foot:#141733;
  --muted:#6b7089;
  --line:rgba(27,31,75,.10);
  --line-2:rgba(27,31,75,.16);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-sm:0 2px 10px rgba(27,31,75,.06);
  --sh-lg:0 10px 26px rgba(27,31,75,.12);
  --gap-sec:84px;
  --container:1180px;
  --font:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--gold);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--violet);outline-offset:2px;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%;}
.sec{padding:var(--gap-sec) 0;}
.sec-alt{background:var(--alt);}
.sec-plain{background:#fff;}
.sec-head{margin-bottom:40px;max-width:760px;}
.sec-head h2{
  position:relative;
  font-size:28px;
  line-height:1.45;
  padding-left:16px;
  letter-spacing:.3px;
}
.sec-head h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--gold);border-radius:2px;
}
.sec-head .sec-sub{margin:12px 0 0;color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:1.6px;
  color:var(--violet);font-weight:600;margin-bottom:10px;text-transform:uppercase;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  box-shadow:0 1px 0 rgba(27,31,75,.08);
}
.nav-bar{
  display:flex;align-items:center;gap:24px;
  height:64px;
}
.brand{
  display:flex;align-items:center;gap:9px;
  font-size:18px;font-weight:700;color:var(--ink);
  white-space:nowrap;flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:var(--ink);
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;fill:var(--gold);}
.nav-links{
  display:flex;align-items:center;gap:26px;
  margin-left:8px;
}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--gold);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .2s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 12px;
  background:var(--alt);border:1px solid transparent;border-radius:var(--r-btn);
  transition:border-color .18s ease,background .18s ease;
}
.nav-search:focus-within{border-color:var(--violet);background:#fff;}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#9aa0bb;}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  border:1px solid var(--ink);white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,border-color .18s ease;
}
.nav-cta:hover{background:var(--gold);border-color:var(--gold);color:var(--ink);transform:translateY(-1px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;
}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:14px 20px 20px;
}
.mobile-panel.open{display:block;}
.mobile-panel a.mp-link{
  display:block;padding:12px 4px;font-size:15px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.mp-link.active{color:var(--ink);font-weight:600;}
.mobile-panel .nav-cta{width:100%;margin-top:16px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  min-height:480px;
  display:flex;align-items:center;
  background-image:linear-gradient(rgba(27,31,75,.72),rgba(27,31,75,.72)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:64px 64px;opacity:.28;
}
.hero .wrap{position:relative;z-index:2;}
.hero-inner{padding:72px 0;max-width:760px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(232,177,58,.16);border:1px solid rgba(232,177,58,.5);
  color:var(--gold);font-size:13px;letter-spacing:.5px;margin-bottom:20px;
}
.hero h1{
  font-size:38px;line-height:1.35;letter-spacing:.5px;color:#fff;
  margin-bottom:18px;font-weight:700;
}
.hero h1 .hl{
  color:var(--gold);
  box-shadow:inset 0 -.32em 0 rgba(232,177,58,.26);
}
.hero-sub{
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.9);
  max-width:640px;margin-bottom:22px;
}
.hero-mini{
  display:flex;flex-wrap:wrap;gap:18px;font-size:14px;color:rgba(255,255,255,.78);
  margin-bottom:28px;
}
.hero-mini a{color:rgba(255,255,255,.9);border-bottom:1px dashed rgba(255,255,255,.45);padding-bottom:2px;}
.hero-mini a:hover{color:var(--gold);border-color:var(--gold);}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-main{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-main:hover{background:var(--gold);color:var(--ink);border-color:var(--gold);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;transform:translateY(-1px);}
.btn-ghost-dark{background:transparent;color:var(--ink);border-color:var(--line-2);}
.btn-ghost-dark:hover{background:var(--alt);color:var(--ink);border-color:var(--ink);transform:translateY(-1px);}

/* ---------- trust strip ---------- */
.trust-strip{
  position:relative;z-index:3;
  background:#fff;border-bottom:1px solid var(--line);
}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:0;
}
.trust-item{
  display:flex;align-items:center;gap:12px;
  padding:22px 20px;border-right:1px solid var(--line);
}
.trust-item:last-child{border-right:0;}
.trust-item i{
  font-size:18px;color:var(--gold);
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;
  border:1px solid rgba(232,177,58,.5);
  display:flex;align-items:center;justify-content:center;
}
.trust-item strong{display:block;font-size:15px;color:var(--ink);font-weight:600;}
.trust-item span{display:block;font-size:13px;color:var(--muted);line-height:1.6;}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative;
}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-sm);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.step:hover{box-shadow:var(--sh-lg);transform:translateY(-3px);border-color:rgba(109,91,208,.35);}
.step-num{
  font-size:48px;font-weight:700;line-height:1;margin-bottom:14px;
  color:transparent;-webkit-text-stroke:1.5px var(--violet);
}
.step h3{font-size:20px;line-height:1.5;margin-bottom:10px;}
.step p{color:var(--muted);font-size:15px;margin-bottom:0;}
.step-line{
  position:absolute;top:52px;right:-26px;width:26px;height:1px;
  border-top:2px dashed rgba(109,91,208,.5);
}
.step:last-child .step-line{display:none;}

/* ---------- feature cards ---------- */
.feat-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.feat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-sm);
  transition:box-shadow .2s ease,transform .2s ease;
}
.feat-card:hover{box-shadow:var(--sh-lg);transform:translateY(-2px);}
.feat-card h3{font-size:21px;margin-bottom:10px;}
.feat-card p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--alt);color:var(--ink-2);font-size:13px;
  border:1px solid var(--line);
}
.tag-violet{background:rgba(109,91,208,.1);color:var(--violet);border-color:rgba(109,91,208,.28);}
.mini-list li{
  position:relative;padding-left:20px;margin-bottom:10px;
  color:var(--ink-2);font-size:15px;
}
.mini-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;
  background:var(--gold);border-radius:2px;
}
.split-visual{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-sm);
}
.split-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:stretch;}
.proof-photo{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-sm);
}
.proof-photo img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.proof-points{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-sm);display:flex;flex-direction:column;gap:16px;
}
.proof-points .pp{
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.proof-points .pp:last-child{border-bottom:0;padding-bottom:0;}
.proof-points .pp strong{display:block;font-size:15px;margin-bottom:4px;}
.proof-points .pp span{font-size:14px;color:var(--muted);line-height:1.7;}
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:28px;border-top:1px solid var(--line-2);
}
.metric{
  padding:22px 18px 0;border-right:1px solid var(--line-2);
}
.metric:last-child{border-right:0;}
.metric b{display:block;font-size:28px;color:var(--ink);line-height:1.2;letter-spacing:.5px;}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:4px;}

/* ---------- news / cms list ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.news-head h2{position:relative;font-size:28px;padding-left:16px;}
.news-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--gold);border-radius:2px;
}
.link-more{font-size:14px;color:var(--violet);font-weight:600;white-space:nowrap;}
.link-more:hover{color:var(--gold);}
.news-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);margin-bottom:24px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.news-feature:hover{box-shadow:var(--sh-lg);transform:translateY(-2px);}
.news-feature .nf-thumb{display:block;}
.news-feature .nf-thumb img{width:100%;height:100%;min-height:260px;object-fit:cover;}
.nf-body{padding:28px 26px;display:flex;flex-direction:column;justify-content:center;}
.nf-body h3{font-size:22px;line-height:1.5;margin:12px 0 10px;}
.nf-body h3 a{color:var(--ink);}
.nf-body h3 a:hover{color:var(--violet);}
.nf-body p{color:var(--muted);font-size:15px;margin-bottom:14px;}
.badge-violet{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:13px;
  background:rgba(109,91,208,.12);color:var(--violet);border:1px solid rgba(109,91,208,.26);
  width:fit-content;
}
.meta{font-size:13px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-sm);display:flex;flex-direction:column;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.news-card:hover{box-shadow:var(--sh-lg);transform:translateY(-3px);border-color:rgba(109,91,208,.3);}
.news-card .nc-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.nc-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.nc-body h3{
  font-size:18px;line-height:1.55;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nc-body h3 a{color:var(--ink);}
.nc-body h3 a:hover{color:var(--violet);}
.nc-body p{
  color:var(--muted);font-size:14px;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.nc-body .meta{margin-top:auto;}
.news-empty{
  background:#fff;border:1px dashed var(--line-2);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;color:var(--muted);
}
.news-empty i{display:block;font-size:30px;color:var(--violet);opacity:.55;margin-bottom:12px;}
.news-empty p{margin:0;font-size:15px;}

/* ---------- faq ---------- */
.faq-list{max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;box-shadow:var(--sh-sm);overflow:hidden;
}
.faq-item .faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  position:relative;cursor:pointer;
}
.faq-item .faq-q::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;
  background:var(--gold);border-radius:0 2px 2px 0;opacity:0;transition:opacity .2s ease;
}
.faq-item.open .faq-q::before{opacity:1;}
.faq-q .fi{
  font-size:16px;color:var(--violet);flex:0 0 auto;width:22px;text-align:center;
  transition:transform .2s ease;
}
.faq-item.open .fi{transform:rotate(180deg);}
.faq-a{display:none;padding:0 24px 22px 24px;border-top:1px solid var(--line);}
.faq-item.open .faq-a{display:block;}
.faq-a p{margin:16px 0 0;color:var(--muted);font-size:15px;line-height:1.9;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;background:var(--foot);color:#fff;overflow:hidden;
  padding:64px 0;text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:72px 72px;opacity:.16;
}
.cta-band .wrap{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:28px;line-height:1.45;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:640px;margin:0 auto 28px;}
.btn-gold{
  display:inline-flex;align-items:center;justify-content:center;
  height:50px;padding:0 30px;border-radius:var(--r-btn);
  background:var(--gold);color:var(--ink);font-size:15px;font-weight:700;
  border:1px solid var(--gold);
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.btn-gold:hover{background:#f0c25c;color:var(--ink);transform:translateY(-1px);}
.btn-outline-white{
  display:inline-flex;align-items:center;justify-content:center;
  height:50px;padding:0 28px;border-radius:var(--r-btn);
  background:transparent;color:#fff;font-size:15px;font-weight:600;
  border:1px solid rgba(255,255,255,.5);
  transition:background .18s ease,border-color .18s ease,transform .18s ease;
}
.btn-outline-white:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;transform:translateY(-1px);}

/* ---------- footer ---------- */
.site-footer{background:var(--foot);color:rgba(255,255,255,.7);padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;align-items:center;gap:9px;color:#fff;font-size:17px;font-weight:700;
  margin-bottom:14px;
}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);}
.footer-brand:hover{color:#fff;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.62);line-height:1.9;margin-bottom:16px;}
.footer-contact{font-size:14px;color:rgba(255,255,255,.72);}
.footer-contact span{display:block;margin-bottom:6px;}
.footer-contact i{color:var(--gold);margin-right:8px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  padding:20px 0;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:var(--gold);}

/* ---------- banner (inner pages style reuse) ---------- */
.banner-band{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(rgba(27,31,75,.75),rgba(27,31,75,.75)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.banner-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:64px 64px;opacity:.22;
}
.banner-band .wrap{position:relative;z-index:2;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  :root{--gap-sec:72px;}
  .hero h1{font-size:34px;}
  .nav-search{width:180px;}
}
@media (max-width:991px){
  :root{--gap-sec:64px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .hero h1{font-size:31px;}
  .hero-inner{padding:56px 0;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .trust-item{border-bottom:1px solid var(--line);}
  .trust-item:nth-child(2n){border-right:0;}
  .trust-item:nth-child(3),.trust-item:nth-child(4){border-bottom:0;}
  .feat-grid{grid-template-columns:1fr;}
  .proof-grid{grid-template-columns:1fr;}
  .metrics{grid-template-columns:repeat(2,1fr);}
  .metric{border-bottom:1px solid var(--line-2);}
  .metric:nth-child(2n){border-right:0;}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:0;padding-bottom:0;}
  .steps{grid-template-columns:1fr;}
  .step-line{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .news-feature{grid-template-columns:1fr;}
  .news-feature .nf-thumb img{min-height:220px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  :root{--gap-sec:48px;}
  .hero{min-height:400px;}
  .hero h1{font-size:27px;letter-spacing:.2px;}
  .hero-sub{font-size:15px;}
  .hero-inner{padding:44px 0;}
  .btn-row{gap:12px;}
  .btn-main,.btn-ghost,.btn-gold,.btn-outline-white{width:100%;}
  .sec-head h2,.news-head h2,.cta-band h2{font-size:23px;}
  .news-grid{grid-template-columns:1fr;}
  .news-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .metrics{grid-template-columns:1fr;}
  .metric{border-right:0;padding:18px 0 0;}
  .metric:nth-child(3){border-bottom:1px solid var(--line-2);}
  .step-num{font-size:40px;}
}
@media (max-width:519px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:24px;}
  .trust-grid{grid-template-columns:1fr;}
  .trust-item{border-right:0;}
  .trust-item:nth-child(3){border-bottom:1px solid var(--line);}
}

/* roulang page: article */
:root{
  --ink:#1b1f4b;
  --ink-soft:#3a3f66;
  --gold:#e8b13a;
  --violet:#6d5bd0;
  --bg:#f7f8fc;
  --card:#ffffff;
  --alt:#eef0f8;
  --footer:#141733;
  --text:#232744;
  --muted:#6b7089;
  --line:rgba(27,31,75,.10);
  --line-strong:rgba(27,31,75,.18);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 2px 10px rgba(27,31,75,.06);
  --sh-2:0 10px 26px rgba(27,31,75,.12);
  --wrap:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.45}
p{margin:0}
ul,ol{margin:0;padding:0}
::selection{background:rgba(232,177,58,.35)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--violet);outline-offset:2px;border-radius:8px}

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

/* ---------------- header / nav ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  box-shadow:0 1px 0 rgba(27,31,75,.08);
}
.nav-bar{display:flex;align-items:center;height:64px;gap:18px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.3px;white-space:nowrap;
}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-mark svg{width:17px;height:17px;fill:var(--gold)}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:14px}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-soft);padding:6px 2px;
  transition:color .18s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--gold);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;width:220px;
  background:var(--alt);border-radius:999px;padding:8px 14px;
  border:1px solid transparent;transition:border-color .18s ease,background .18s ease;
}
.nav-search:focus-within{border-color:var(--violet);background:#fff}
.nav-search i{font-size:13px;color:var(--muted)}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--text)}
.nav-search input::placeholder{color:#9095ad}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:var(--r-btn);white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-cta:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px)}
.nav-toggle{
  display:none;width:40px;height:38px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);color:var(--ink);cursor:pointer;
}
.nav-toggle:hover{background:var(--alt)}
.read-progress{position:absolute;left:0;right:0;bottom:0;height:2px;background:transparent}
.read-progress span{display:block;height:2px;width:0;background:var(--gold);transition:width .1s linear}

/* ---------------- hero ---------------- */
.article-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(180deg,rgba(27,31,75,.82),rgba(20,23,51,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:58px 0 62px;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(2px 2px at 12% 26%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(2px 2px at 32% 72%,rgba(232,177,58,.6),transparent 60%),
    radial-gradient(1.6px 1.6px at 58% 18%,rgba(255,255,255,.45),transparent 60%),
    radial-gradient(2px 2px at 78% 62%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(1.6px 1.6px at 90% 30%,rgba(232,177,58,.5),transparent 60%);
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.hero-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;line-height:1.7;padding:4px 12px;border-radius:999px;
}
.hero-badge.gold{background:rgba(232,177,58,.18);border-color:rgba(232,177,58,.5);color:#f7dfa8}
.article-hero h1{
  color:#fff;font-size:clamp(26px,3.2vw,38px);line-height:1.35;font-weight:700;letter-spacing:.5px;
  margin-bottom:18px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;font-size:13px;color:rgba(255,255,255,.78);line-height:1.7}
.hero-meta i{color:var(--gold);margin-right:6px}

/* ---------------- breadcrumb ---------------- */
.crumb-strip{background:var(--alt);border-bottom:1px solid var(--line)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:13px 0;font-size:13px;line-height:1.7;color:var(--muted)}
.crumb a{color:var(--muted);transition:color .18s ease}
.crumb a:hover{color:var(--ink)}
.crumb .sep{color:#b6bad0}
.crumb .now{color:var(--ink);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------------- layout ---------------- */
.main-area{padding:54px 0 76px}
.article-card{
  background:var(--card);border-radius:var(--r-card);border:1px solid var(--line);
  box-shadow:var(--sh-1);padding:34px;
}
.article-card + .article-card{margin-top:22px}
.article-body{max-width:760px;font-size:16px;line-height:1.9;color:var(--text);word-break:break-word}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.45;
  margin:2em 0 .85em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:2px;background:var(--gold);
}
.article-body h3{font-size:20px;font-weight:600;line-height:1.5;margin:1.7em 0 .7em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:0;list-style:none}
.article-body li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--gold);
}
.article-body ol{counter-reset:olist}
.article-body ol li{counter-increment:olist}
.article-body ol li::before{
  content:counter(olist);width:auto;height:auto;background:none;color:var(--violet);
  font-size:14px;font-weight:700;top:0;left:0;
}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;border-left:4px solid var(--violet);
  background:#f3f2fc;border-radius:0 var(--r-img) var(--r-img) 0;color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.5em auto;height:auto}
.article-body a{color:var(--violet);border-bottom:1px solid rgba(109,91,208,.35);transition:color .18s ease,border-color .18s ease}
.article-body a:hover{color:var(--ink);border-color:var(--ink)}
.article-body table{
  display:block;width:100%;max-width:100%;overflow-x:auto;
  border-collapse:collapse;margin:1.5em 0;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line-strong);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--alt);color:var(--ink);font-weight:600}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}
.article-body code{background:var(--alt);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--ink)}

.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  padding:44px 24px;text-align:center;background:#fbfbfe;
}
.empty-state i{font-size:30px;color:var(--violet);margin-bottom:14px;display:block}
.empty-state p{color:var(--muted);margin-bottom:20px}

/* ---------------- buttons ---------------- */
.btn-main,.btn-ghost,.btn-gold,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:600;line-height:1;
  padding:13px 26px;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main{background:var(--ink);color:#fff}
.btn-main:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px);box-shadow:0 8px 18px rgba(232,177,58,.28)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#f2c濃}
.btn-gold:hover{background:#f3c25c;transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--ink);background:var(--alt);color:var(--ink)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-full{width:100%}

/* ---------------- sidebar ---------------- */
.side-wrap{display:flex;flex-direction:column;gap:20px}
.side-sticky{position:sticky;top:88px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px;transition:box-shadow .2s ease;
}
.side-card:hover{box-shadow:var(--sh-2)}
.side-title{
  font-size:17px;font-weight:700;color:var(--ink);margin-bottom:14px;
  padding-left:12px;position:relative;
}
.side-title::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:.9em;border-radius:2px;background:var(--violet)}
.side-list{list-style:none}
.side-list li + li{border-top:1px solid var(--line)}
.side-list a{display:block;padding:12px 0;transition:transform .18s ease}
.side-list a:hover{transform:translateX(3px)}
.side-list .t{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:15px;font-weight:600;color:var(--ink);line-height:1.6;
}
.side-list a:hover .t{color:var(--violet)}
.side-list time{display:block;margin-top:6px;font-size:13px;color:var(--muted)}
.side-text{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:16px}
.side-note{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}
.side-card.consult{background:linear-gradient(160deg,#1b1f4b,#2b2f66);border-color:transparent}
.side-card.consult .side-title{color:#fff}
.side-card.consult .side-title::before{background:var(--gold)}
.side-card.consult .side-text{color:rgba(255,255,255,.75)}
.side-card.consult .btn-main{background:var(--gold);color:var(--ink)}
.side-card.consult .btn-main:hover{background:#fff;color:var(--ink)}

/* ---------------- back links ---------------- */
.back-area{text-align:center;margin-top:30px}
.back-links{display:flex;flex-wrap:wrap;justify-content:center;gap:26px;margin-top:18px;font-size:14px;color:var(--muted)}
.back-links a{color:var(--ink-soft);border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:color .18s ease,border-color .18s ease}
.back-links a:hover{color:var(--violet);border-color:var(--violet)}

/* ---------------- related categories ---------------- */
.sec{padding:64px 0}
.sec-alt{background:var(--alt)}
.sec-head{margin-bottom:32px;max-width:720px}
.sec-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--violet);
  letter-spacing:1px;margin-bottom:10px;
}
.sec-head h2{font-size:28px;font-weight:700;position:relative;padding-left:16px;margin-bottom:12px}
.sec-head h2::before{content:"";position:absolute;left:0;top:.25em;width:4px;height:1em;border-radius:2px;background:var(--gold)}
.sec-head p{font-size:15px;color:var(--muted);line-height:1.9}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.cat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;height:100%;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(109,91,208,.4)}
.cat-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--alt)}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.cat-card:hover .cat-thumb img{transform:scale(1.04)}
.cat-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1}
.tag{
  display:inline-flex;align-items:center;align-self:flex-start;
  background:rgba(109,91,208,.10);color:var(--violet);
  font-size:12px;font-weight:600;line-height:1.7;padding:3px 11px;border-radius:999px;margin-bottom:12px;
}
.tag.gold{background:rgba(232,177,58,.16);color:#9a6f10}
.cat-body h3{font-size:19px;font-weight:600;margin-bottom:10px}
.cat-body p{font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:16px}
.cat-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .cat-more{color:var(--violet)}

/* ---------------- cta ---------------- */
.cta-band{
  background:var(--footer);color:#fff;padding:68px 0;position:relative;overflow:hidden;text-align:center;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.45;
  background-image:
    radial-gradient(2px 2px at 15% 30%,rgba(255,255,255,.5),transparent 60%),
    radial-gradient(2px 2px at 45% 78%,rgba(232,177,58,.55),transparent 60%),
    radial-gradient(1.5px 1.5px at 72% 24%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(2px 2px at 88% 66%,rgba(255,255,255,.35),transparent 60%);
}
.cta-inner{position:relative;z-index:2;max-width:700px;margin:0 auto}
.cta-band h2{color:#fff;font-size:28px;font-weight:700;padding-left:0;margin-bottom:14px}
.cta-band h2::before{display:none}
.cta-band p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.9;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}

/* ---------------- footer ---------------- */
.site-footer{background:var(--footer);color:rgba(255,255,255,.72);padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.10)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(255,255,255,.10)}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:16px;max-width:320px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(255,255,255,.6)}
.footer-contact i{color:var(--gold);margin-right:6px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------------- responsive ---------------- */
@media (max-width:1199.98px){
  .nav-links{gap:16px}
  .nav-search{width:180px}
  .cat-grid{gap:18px}
}
@media (max-width:991.98px){
  .nav-search{display:none}
  .side-sticky{position:static}
  .article-card{padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .sec{padding:52px 0}
}
@media (max-width:820px){
  .nav-links{
    display:none;position:absolute;top:64px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:10px 20px 18px;margin-left:0;
    box-shadow:0 14px 26px rgba(27,31,75,.12);border-top:1px solid var(--line);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  .nav-links a::after{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .article-hero{padding:44px 0 48px}
  .article-hero h1{font-size:26px}
  .article-card{padding:20px;border-radius:12px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .cat-grid{grid-template-columns:1fr;gap:18px}
  .main-area{padding:40px 0 56px}
  .sec{padding:44px 0}
  .sec-head h2{font-size:23px}
  .cta-band h2{font-size:23px}
  .brand span{font-size:16px}
  .btn-main,.btn-ghost,.btn-gold,.btn-line{padding:12px 20px}
  .cta-actions .btn-main,.cta-actions .btn-line{width:100%}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .back-links{gap:14px}
  .hero-meta{gap:14px}
}

/* roulang page: category1 */
:root{
  --ink:#1b1f4b;
  --ink-soft:#3a3f66;
  --gold:#e8b13a;
  --violet:#6d5bd0;
  --bg:#f7f8fc;
  --alt:#eef0f8;
  --footer-bg:#141733;
  --card:#ffffff;
  --text:#2e3357;
  --muted:#6b7089;
  --line:rgba(27,31,75,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 2px 10px rgba(27,31,75,.06);
  --sh-hover:0 10px 26px rgba(27,31,75,.12);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--violet);
  outline-offset:2px;
  border-radius:6px;
}
.wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}

/* ---------- 顶部导航 ---------- */
.nav-shell{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 rgba(27,31,75,.08)}
.nav-bar{display:flex;align-items:center;gap:22px;height:64px;max-width:1180px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.brand-mark{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,#1b1f4b,#6d5bd0);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:16px;height:16px;fill:var(--gold)}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-links a{position:relative;font-size:15px;color:var(--ink-soft);padding:6px 0;transition:color var(--ease);white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;background:var(--gold);border-radius:2px;transition:right var(--ease)}
.nav-links a:hover,.nav-links a.active{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{right:0}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:9px;height:38px;width:220px;padding:0 14px;background:var(--alt);border:1px solid transparent;border-radius:var(--r-pill);transition:border-color var(--ease),background var(--ease)}
.nav-search i{color:var(--muted);font-size:13px}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink)}
.nav-search input::placeholder{color:#9297b1}
.nav-search:focus-within{background:#fff;border-color:var(--violet);box-shadow:0 0 0 3px rgba(109,91,208,.14)}
.nav-cta{display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:var(--r-btn);background:var(--ink);color:#fff;font-size:15px;font-weight:600;transition:background var(--ease),color var(--ease),transform var(--ease)}
.nav-cta:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px)}
.nav-toggle{display:none;width:42px;height:40px;align-items:center;justify-content:center;border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);color:var(--ink);cursor:pointer}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  display:flex;
  align-items:center;
  min-height:320px;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(27,31,75,.84),rgba(27,31,75,.68))}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 28%,rgba(232,177,58,.55) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 32% 68%,rgba(255,255,255,.42) 50%,transparent 51%),
    radial-gradient(1.8px 1.8px at 58% 22%,rgba(232,177,58,.42) 50%,transparent 51%),
    radial-gradient(1.3px 1.3px at 76% 58%,rgba(255,255,255,.38) 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 88% 34%,rgba(232,177,58,.36) 50%,transparent 51%);
  opacity:.9;
}
.hero-inner{position:relative;z-index:2;padding:52px 0;width:100%}
.hero h1{
  color:#fff;
  font-size:36px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.5px;
  max-width:760px;
}
.hero h1 .hl{box-shadow:inset 0 -8px 0 rgba(232,177,58,.35)}
.hero-sub{color:rgba(255,255,255,.86);font-size:16px;line-height:1.9;max-width:640px;margin-top:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-btn);font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#fff;color:var(--ink);transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,0,0,.18)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-1px)}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px)}
.btn-line{background:#fff;color:var(--ink);border-color:rgba(27,31,75,.18)}
.btn-line:hover{border-color:var(--ink);background:var(--alt);transform:translateY(-1px)}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:24px;font-size:14px;color:rgba(255,255,255,.78)}
.hero-meta a{border-bottom:1px dashed rgba(232,177,58,.7);padding-bottom:2px;transition:color var(--ease)}
.hero-meta a:hover{color:var(--gold)}

/* ---------- 快捷条 ---------- */
.crumb-bar{background:var(--alt);border-bottom:1px solid var(--line)}
.crumb-bar .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:8px 20px;padding:12px 20px;font-size:13px;color:var(--muted)}
.crumb-bar .sep{color:#b9bdd2}
.crumb-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin-left:auto}
.crumb-links a{color:var(--ink-soft);transition:color var(--ease)}
.crumb-links a:hover{color:var(--gold)}

/* ---------- 通用板块 ---------- */
.section{padding:82px 0}
.section.alt{background:var(--alt)}
.section-head{max-width:760px;margin-bottom:40px}
.sec-title{position:relative;padding-left:16px;font-size:28px;line-height:1.45;font-weight:700;color:var(--ink);letter-spacing:.3px}
.sec-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:26px;border-radius:2px;background:var(--gold)}
.sec-desc{margin-top:14px;color:var(--muted);font-size:16px;line-height:1.9}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;color:var(--violet);margin-bottom:10px}

/* ---------- 图文卡片（两列） ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--card);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:box-shadow var(--ease),transform var(--ease)}
.card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.card-media{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.card-body{padding:24px}
.card-body h3{font-size:21px;line-height:1.5;font-weight:600;color:var(--ink)}
.card-body p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.9}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.tag{display:inline-block;padding:3px 12px;border-radius:var(--r-pill);font-size:13px;background:rgba(109,91,208,.12);color:#5744bf}
.card-list{margin-top:14px;display:grid;gap:8px}
.card-list li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-soft);line-height:1.8}
.card-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--gold)}

/* ---------- 识别要素（图文分栏） ---------- */
.split{display:grid;grid-template-columns:0.95fr 1.05fr;gap:44px;align-items:center}
.split-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card)}
.split-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-figure figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:#fff;background:linear-gradient(180deg,rgba(20,23,51,0),rgba(20,23,51,.82))}
.check-list{display:grid;gap:20px;margin-top:26px}
.check-item{display:grid;grid-template-columns:40px 1fr;gap:16px;align-items:start}
.check-num{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-weight:700;color:var(--violet);background:rgba(109,91,208,.12)}
.check-item h3{font-size:18px;font-weight:600;color:var(--ink);line-height:1.6}
.check-item p{font-size:15px;color:var(--muted);margin-top:4px}
.bar{height:8px;border-radius:var(--r-pill);background:var(--alt);overflow:hidden;margin-top:10px}
.bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--violet),var(--gold))}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.step{padding:0 26px;position:relative}
.step:not(:last-child)::after{content:"";position:absolute;right:-6px;top:34px;width:12px;height:2px;background:repeating-linear-gradient(90deg,var(--violet) 0 4px,transparent 4px 8px)}
.step-num{font-size:48px;line-height:1;font-weight:700;color:transparent;-webkit-text-stroke:1.6px var(--violet)}
.step h3{font-size:21px;font-weight:600;color:var(--ink);margin-top:14px}
.step p{margin-top:10px;color:var(--muted);font-size:15px}

/* ---------- 对比表 ---------- */
.cmp{background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden}
.cmp-row{display:grid;grid-template-columns:1.3fr 1fr 1fr;border-top:1px solid var(--line)}
.cmp-row:first-child{border-top:0}
.cmp-row>div{padding:18px 22px;font-size:15px;line-height:1.8}
.cmp-head{background:var(--alt)}
.cmp-head>div{font-weight:600;color:var(--ink);font-size:15px}
.cmp-key{color:var(--ink-soft)}
.cmp-good{color:var(--ink);font-weight:600}
.cmp-good i{color:var(--gold);margin-right:6px}
.cmp-bad{color:var(--muted)}
.cmp-bad i{color:#b9bdd2;margin-right:6px}

/* ---------- 数据块 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:56px}
.stat{padding:26px 20px 0}
.stat:not(:first-child){border-left:1px solid var(--line);padding-left:28px}
.stat b{display:block;font-size:28px;font-weight:700;color:var(--ink);line-height:1.3}
.stat span{display:block;font-size:13px;color:var(--muted);margin-top:6px}

/* ---------- FAQ ---------- */
.accordion-item{border:0;border-radius:var(--r-card);box-shadow:var(--sh-card);margin-bottom:12px;overflow:hidden;background:#fff}
.accordion-button{position:relative;width:100%;padding:18px 54px 18px 22px;font-size:16px;font-weight:600;color:var(--ink);background:#fff;border-radius:var(--r-card) !important;box-shadow:none !important;line-height:1.7}
.accordion-button:not(.collapsed){color:var(--ink);background:#fff}
.accordion-button::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%) scaleY(0);width:4px;height:24px;border-radius:2px;background:var(--gold);transition:transform var(--ease)}
.accordion-button:not(.collapsed)::before{transform:translateY(-50%) scaleY(1)}
.accordion-button::after{content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);width:auto;height:auto;font-size:20px;font-weight:600;color:var(--gold);background-image:none;display:flex;align-items:center;transition:color var(--ease)}
.accordion-button:not(.collapsed)::after{content:"−";background-image:none;transform:translateY(-50%)}
.accordion-button:hover{color:var(--violet)}
.accordion-body{padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.9}

/* ---------- CTA ---------- */
.cta{position:relative;background:var(--footer-bg);color:#fff;padding:64px 0;text-align:center;overflow:hidden}
.cta::after{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.5px 1.5px at 18% 30%,rgba(232,177,58,.4) 50%,transparent 51%),
    radial-gradient(1.3px 1.3px at 42% 72%,rgba(255,255,255,.3) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 68% 26%,rgba(232,177,58,.34) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 86% 62%,rgba(255,255,255,.28) 50%,transparent 51%);
}
.cta .wrap{position:relative;z-index:2}
.cta h2{font-size:28px;font-weight:700;line-height:1.45;color:#fff}
.cta p{margin-top:14px;color:rgba(255,255,255,.76);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-note{margin-top:20px;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.7);padding:60px 0 26px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;border-top:1px solid rgba(255,255,255,.12);padding-top:44px}
.footer-brand{display:flex;align-items:center;gap:9px;font-size:17px;font-weight:700;color:#fff}
.footer-desc{margin-top:14px;color:rgba(255,255,255,.62);font-size:14px;line-height:1.9;max-width:320px}
.footer-contact{margin-top:16px;display:grid;gap:8px;font-size:13px;color:rgba(255,255,255,.58)}
.footer-contact i{color:var(--gold);margin-right:7px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--ease)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.5)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:32px}
  .sec-title{font-size:26px}
  .split{gap:32px}
}
@media (max-width:991px){
  .nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .nav-links{
    position:absolute;left:0;right:0;top:64px;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-top:1px solid var(--line);box-shadow:0 14px 26px rgba(27,31,75,.12);
    padding:8px 20px 18px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--violet)}
  .nav-cta{display:none}
  .nav-links.open .nav-mobile-cta{display:inline-flex;margin-top:14px;width:100%}
  .grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:30px}
  .step{padding:0}
  .step:not(:last-child)::after{display:none}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px 0}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .section{padding:48px 0}
  .hero{min-height:400px}
  .hero-inner{padding:40px 0}
  .hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .sec-title{font-size:22px}
  .sec-title::before{height:22px}
  .crumb-links{margin-left:0;width:100%}
  .cmp-row{grid-template-columns:1fr;border-top:1px solid var(--line);padding:6px 0}
  .cmp-row>div{padding:8px 18px}
  .cmp-head{display:none}
  .cmp-row>div::before{display:block;font-size:12px;color:var(--violet);margin-bottom:2px}
  .cmp-row>div:nth-child(1)::before{content:"对照项目"}
  .cmp-row>div:nth-child(2)::before{content:"官方入口"}
  .cmp-row>div:nth-child(3)::before{content:"其他来源页面"}
  .stats{grid-template-columns:1fr}
  .stat{border-left:0 !important;padding-left:0}
  .footer-grid{grid-template-columns:1fr}
  .cta h2{font-size:22px}
  .cta-actions{flex-direction:column;align-items:stretch}
}
@media (max-width:520px){
  .brand{font-size:16px}
  .hero h1{font-size:23px}
  .card-body{padding:20px}
  .step-num{font-size:40px}
}

/* roulang page: category2 */
:root{
  --ink:#1b1f4b;
  --ink-soft:#3a3f66;
  --text:#333a63;
  --gold:#e8b13a;
  --nebula:#6d5bd0;
  --bg:#f7f8fc;
  --card:#ffffff;
  --alt:#eef0f8;
  --footer-bg:#141733;
  --muted:#6b7089;
  --line:rgba(27,31,75,.10);
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-sm:0 2px 10px rgba(27,31,75,.06);
  --shadow-lg:0 10px 26px rgba(27,31,75,.12);
  --container:1180px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:84px;}
body{
  margin:0;
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;}
a:hover{color:var(--gold);}
button,input{font:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);}
p{margin:0 0 1.2em;color:var(--text);}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--nebula);outline-offset:2px;}

.wrap{max-width:var(--container);margin:0 auto;padding:0 20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  box-shadow:0 1px 0 rgba(27,31,75,.08);
}
.scroll-progress{
  position:fixed;top:0;left:0;height:2px;width:0;
  background:var(--gold);z-index:90;transition:width .1s linear;
}
.nav-bar{
  position:relative;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
  height:64px;
  display:flex;
  align-items:center;
  gap:32px;
}
.brand{
  display:flex;align-items:center;gap:9px;
  font-size:18px;font-weight:700;color:var(--ink);
  white-space:nowrap;flex:0 0 auto;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:rgba(232,177,58,.14);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-mark svg{width:18px;height:18px;fill:var(--gold);}

.nav-links{display:flex;align-items:center;gap:26px;flex:1 1 auto;}
.nav-links a{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-soft);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;
  height:2px;background:var(--gold);transition:right .22s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink);}
.nav-links a:hover::after,.nav-links a.active::after{right:0;}

.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:220px;height:38px;padding:0 14px;
  background:var(--alt);
  border:1px solid var(--line);
  border-radius:999px;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-search i{font-size:13px;color:var(--muted);}
.nav-search input{
  border:0;background:transparent;outline:none;
  width:100%;font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:#9a9fba;}
.nav-search:focus-within{
  background:#fff;border-color:var(--nebula);
  box-shadow:0 0 0 3px rgba(109,91,208,.14);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:38px;padding:0 18px;
  background:var(--ink);color:#fff;
  border-radius:var(--radius-btn);
  font-size:14px;font-weight:600;
}
.nav-cta:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:40px;height:38px;
  background:#fff;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--radius-btn);
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--ink);}

/* ============ 分类 Hero ============ */
.hero-cat{
  position:relative;
  min-height:320px;
  display:flex;align-items:center;
  background-image:linear-gradient(rgba(27,31,75,.76),rgba(27,31,75,.76)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(2px 2px at 12% 26%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1.6px 1.6px at 32% 68%,rgba(232,177,58,.55),transparent 60%),
    radial-gradient(1.8px 1.8px at 58% 22%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(1.6px 1.6px at 76% 58%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1.4px 1.4px at 88% 32%,rgba(232,177,58,.45),transparent 60%);
  opacity:.9;
}
.hero-inner{position:relative;z-index:2;max-width:var(--container);margin:0 auto;padding:52px 20px;width:100%;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;margin-bottom:18px;
  background:rgba(232,177,58,.16);
  border:1px solid rgba(232,177,58,.5);
  border-radius:999px;
  color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.5px;
}
.hero-inner h1{
  color:#fff;font-size:36px;font-weight:700;line-height:1.35;letter-spacing:.5px;
  max-width:820px;
}
.hero-inner h1 em{color:var(--gold);font-style:normal;}
.hero-sub{
  margin:16px 0 0;max-width:680px;
  color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;
}
.hero-metas{
  display:flex;flex-wrap:wrap;gap:14px 28px;
  margin-top:24px;color:rgba(255,255,255,.7);font-size:14px;
}
.hero-metas span{display:inline-flex;align-items:center;gap:8px;}
.hero-metas i{color:var(--gold);}

/* ============ 快捷跳转条 ============ */
.quick-jump{background:var(--alt);border-bottom:1px solid var(--line);}
.quick-jump .wrap{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px 20px;
  padding-top:12px;padding-bottom:12px;
  font-size:14px;color:var(--muted);
}
.quick-jump strong{color:var(--ink);font-weight:600;}
.quick-jump a{color:var(--ink-soft);}
.quick-jump a:hover{color:var(--gold);}
.quick-jump .sep{color:#c3c7db;}

/* ============ 通用板块 ============ */
.section{padding:76px 0;}
.section.alt{background:var(--alt);}
.section-head{max-width:720px;margin-bottom:38px;}
.h2-bar{
  position:relative;padding-left:14px;
  font-size:28px;font-weight:700;line-height:1.45;
}
.h2-bar::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;
  width:4px;border-radius:2px;background:var(--gold);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15px;}

.ui-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  height:100%;
}
.ui-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
  border-color:rgba(109,91,208,.35);
}
.ui-card h3{font-size:20px;font-weight:600;line-height:1.5;margin-bottom:10px;}
.ui-card p{font-size:15px;color:var(--muted);line-height:1.9;margin:0;}
.card-icon{
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(109,91,208,.10);
  color:var(--nebula);font-size:18px;margin-bottom:16px;
}

.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step-index{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--nebula);margin-bottom:8px;
}

/* ============ 简介图文条 ============ */
.intro-media{
  display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center;
}
.intro-media figure{margin:0;}
.intro-media img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:12px;box-shadow:var(--shadow-sm);
}
.intro-media figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}
.intro-list{list-style:none;margin-top:18px;}
.intro-list li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:15px;color:var(--ink-soft);line-height:1.85;
}
.intro-list li::before{
  content:"";position:absolute;left:5px;top:.82em;
  width:7px;height:7px;border-radius:2px;background:var(--gold);
}

/* ============ 长文 + 目录 ============ */
.doc-layout{display:grid;grid-template-columns:258px 1fr;gap:34px;align-items:start;}
.toc{
  position:sticky;top:88px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px;
  box-shadow:var(--shadow-sm);
}
.toc h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.5px;}
.toc ol{list-style:none;counter-reset:toc;}
.toc li{counter-increment:toc;margin-bottom:4px;}
.toc a{
  display:flex;gap:10px;align-items:flex-start;
  padding:8px 10px;border-radius:9px;
  font-size:14px;color:var(--ink-soft);line-height:1.7;
}
.toc a::before{
  content:counter(toc)".";
  color:var(--nebula);font-weight:700;font-size:13px;flex:0 0 auto;
}
.toc a:hover{background:var(--alt);color:var(--ink);}
.toc-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.8;
}

.doc-panel{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:34px;
  box-shadow:var(--shadow-sm);
}
.doc-panel section + section{margin-top:34px;padding-top:30px;border-top:1px dashed var(--line);}
.doc-panel h3{
  font-size:21px;font-weight:600;line-height:1.5;
  margin-bottom:12px;letter-spacing:.3px;
}
.doc-panel p{font-size:16px;line-height:1.95;}
.dot-list{list-style:none;margin:16px 0 0;}
.dot-list li{
  position:relative;padding-left:22px;margin-bottom:9px;
  font-size:15px;color:var(--ink-soft);line-height:1.9;
}
.dot-list li::before{
  content:"";position:absolute;left:5px;top:.85em;
  width:7px;height:7px;border-radius:2px;background:var(--gold);
}
.doc-figure{margin:24px 0 6px;}
.doc-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:12px;
}
.doc-figure figcaption{font-size:13px;color:var(--muted);margin-top:10px;text-align:center;}

.tip-box{
  margin-top:20px;padding:16px 18px;
  border-left:4px solid var(--nebula);
  background:rgba(109,91,208,.06);
  border-radius:0 10px 10px 0;
  font-size:15px;color:var(--ink-soft);line-height:1.9;
}
.tip-box strong{color:var(--ink);}

/* ============ 对照速查 ============ */
.case-list{display:grid;gap:14px;}
.case-item{
  display:grid;grid-template-columns:1.1fr 1fr 1.3fr;
  gap:20px;align-items:center;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 24px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.case-item:hover{border-color:rgba(109,91,208,.35);box-shadow:var(--shadow-lg);transform:translateY(-2px);}
.case-item .cell-label{
  display:block;font-size:12px;color:var(--muted);letter-spacing:1px;margin-bottom:4px;
}
.case-item .cell-strong{font-size:16px;font-weight:600;color:var(--ink);line-height:1.7;}
.case-item .cell-text{font-size:14px;color:var(--muted);line-height:1.85;}
.case-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;
  background:rgba(109,91,208,.12);
  color:var(--nebula);font-size:12px;font-weight:600;
}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow-item{position:relative;padding-top:8px;}
.flow-num{
  font-size:44px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1.5px var(--nebula);
  margin-bottom:12px;
}
.flow-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.9;margin:0;}
.flow-item::after{
  content:"";position:absolute;top:34px;right:-14px;width:28px;
  border-top:1px dashed rgba(109,91,208,.5);
}
.flow-item:last-child::after{display:none;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(109,91,208,.3);box-shadow:var(--shadow-lg);}
.faq-btn{
  position:relative;width:100%;text-align:left;
  padding:18px 56px 18px 20px;
  background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.7;
}
.faq-btn::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:0;
  background:var(--gold);border-radius:0 2px 2px 0;transition:width .2s ease;
}
.faq-btn:not(.collapsed)::before{width:4px;}
.faq-btn::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--nebula);line-height:1;
}
.faq-btn:not(.collapsed)::after{content:"−";color:var(--gold);}
.faq-btn:not(.collapsed){color:var(--ink);}
.faq-a{
  padding:0 24px 22px 20px;
  font-size:15px;color:var(--muted);line-height:1.95;
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  background:var(--footer-bg);
  color:#fff;text-align:center;
  padding:68px 0;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(1.8px 1.8px at 18% 30%,rgba(255,255,255,.35),transparent 60%),
    radial-gradient(1.6px 1.6px at 48% 70%,rgba(232,177,58,.40),transparent 60%),
    radial-gradient(1.5px 1.5px at 78% 34%,rgba(255,255,255,.30),transparent 60%);
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:0 20px;}
.cta-band h2{color:#fff;font-size:28px;font-weight:700;line-height:1.5;}
.cta-band p{color:rgba(255,255,255,.72);font-size:16px;margin:14px 0 0;}
.cta-actions{display:flex;justify-content:center;gap:14px;margin-top:28px;flex-wrap:wrap;}

.btn-c{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .18s ease;
}
.btn-main{background:var(--ink);color:#fff;}
.btn-main:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px);}
.btn-gold{background:var(--gold);color:var(--ink);}
.btn-gold:hover{background:#fff;color:var(--ink);transform:translateY(-1px);}
.btn-line{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink);}
.btn-ghost:hover{background:var(--alt);border-color:var(--ink);color:var(--ink);}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);padding:56px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand:hover{color:var(--gold);}
.footer-brand .brand-mark{background:rgba(232,177,58,.16);width:28px;height:28px;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin:0 0 16px;}
.footer-contact{display:grid;gap:8px;font-size:13px;color:rgba(255,255,255,.58);}
.footer-contact i{color:var(--gold);margin-right:6px;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul{list-style:none;display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
  padding:20px 0 26px;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .doc-layout{grid-template-columns:220px 1fr;gap:26px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .nav-bar{height:58px;gap:16px;}
  .nav-links{
    display:none;
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:10px 20px 18px;
    border-top:1px solid var(--line);
    box-shadow:0 14px 26px rgba(27,31,75,.12);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 0;border-bottom:1px solid rgba(27,31,75,.06);font-size:15px;}
  .nav-links a::after{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-cat{min-height:280px;}
  .hero-inner h1{font-size:29px;}
  .hero-sub{font-size:16px;}
  .section{padding:56px 0;}
  .h2-bar{font-size:24px;}
  .intro-media{grid-template-columns:1fr;gap:24px;}
  .doc-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .flow{grid-template-columns:repeat(2,1fr);gap:26px;}
  .flow-item::after{display:none;}
  .case-item{grid-template-columns:1fr;gap:12px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
}
@media (max-width:767px){
  .brand span:last-child{font-size:16px;}
  .nav-cta{height:34px;padding:0 14px;font-size:13px;}
  .section{padding:44px 0;}
  .section-head{margin-bottom:26px;}
  .doc-panel{padding:22px;}
  .doc-panel section + section{margin-top:26px;padding-top:22px;}
  .doc-panel h3{font-size:19px;}
  .hero-inner h1{font-size:25px;}
  .hero-inner{padding:40px 18px;}
}
@media (max-width:520px){
  .check-grid,.flow,.footer-grid{grid-template-columns:1fr;}
  .cta-actions{flex-direction:column;}
  .btn-c{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .case-item{padding:18px;}
}

/* roulang page: category3 */
:root{
  --ink:#1b1f4b;
  --gold:#e8b13a;
  --violet:#6d5bd0;
  --warn:#b3453f;
  --bg:#f7f8fc;
  --card:#ffffff;
  --alt:#eef0f8;
  --footer:#141733;
  --text:#232746;
  --muted:#6b7089;
  --line:rgba(27,31,75,.10);
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh:0 2px 10px rgba(27,31,75,.06);
  --sh-hover:0 10px 26px rgba(27,31,75,.12);
  --font:system-ui,"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--font);
  font-size:16px;line-height:1.9;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--gold);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-family:var(--font);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
strong{font-weight:700;color:var(--ink);}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(109,91,208,.45);outline-offset:2px;}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px;width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#ffffff;
  box-shadow:0 1px 0 rgba(27,31,75,.08);
}
.nav-bar{
  max-width:1180px;margin:0 auto;padding:0 20px;
  height:64px;display:flex;align-items:center;gap:22px;
}
.brand{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.3px;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:28px;height:28px;border-radius:9px;flex:0 0 auto;
  background:linear-gradient(140deg,#1b1f4b,#3d4288);
  display:grid;place-items:center;
}
.brand-mark svg{width:16px;height:16px;fill:var(--gold);}
.nav-links{display:flex;align-items:center;gap:22px;margin-left:6px;}
.nav-links a{
  position:relative;display:inline-block;
  font-size:15px;color:#3a3f66;padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;
  height:2px;background:var(--gold);border-radius:2px;
  transition:right .2s ease;
}
.nav-links a:hover,.nav-links a.active{color:var(--ink);}
.nav-links a:hover::after,.nav-links a.active::after{right:0;}
.nav-cta-mobile{display:none;}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  width:230px;padding:8px 14px;
  background:var(--alt);border:1px solid transparent;border-radius:999px;
  transition:border-color .18s ease,background .18s ease;
}
.nav-search i{font-size:13px;color:var(--muted);}
.nav-search input{
  width:100%;border:0;background:transparent;outline:0;
  font-size:14px;color:var(--ink);font-family:inherit;
}
.nav-search input::placeholder{color:#9aa0bb;}
.nav-search:focus-within{background:#fff;border-color:var(--violet);}
.nav-cta{
  display:inline-flex;align-items:center;
  padding:10px 18px;border-radius:var(--r-btn);
  background:var(--ink);color:#fff;font-size:14px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.nav-cta:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:10px;background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:16px;cursor:pointer;
}
.nav-toggle:hover{background:var(--alt);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  min-height:320px;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat #1b1f4b;
}
.hero::before{content:"";position:absolute;inset:0;background:rgba(27,31,75,.76);}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.85;
  background-image:
    radial-gradient(2px 2px at 12% 26%, rgba(255,255,255,.55), transparent 62%),
    radial-gradient(1.6px 1.6px at 28% 74%, rgba(232,177,58,.55), transparent 62%),
    radial-gradient(2.2px 2.2px at 46% 16%, rgba(255,255,255,.38), transparent 62%),
    radial-gradient(1.4px 1.4px at 64% 66%, rgba(255,255,255,.45), transparent 62%),
    radial-gradient(2px 2px at 78% 28%, rgba(232,177,58,.4), transparent 62%),
    radial-gradient(1.6px 1.6px at 91% 78%, rgba(255,255,255,.4), transparent 62%);
}
.hero-inner{position:relative;z-index:2;width:100%;max-width:1180px;margin:0 auto;padding:58px 20px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(109,91,208,.32);border:1px solid rgba(255,255,255,.22);
  color:#efeaff;font-size:13px;letter-spacing:.4px;margin-bottom:16px;
}
.hero h1{
  color:#fff;font-size:38px;line-height:1.35;font-weight:700;letter-spacing:.5px;
  max-width:880px;margin-bottom:14px;
}
.hero-lead{
  font-size:16px;line-height:1.9;color:rgba(255,255,255,.86);
  max-width:720px;margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:24px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-size:14px;color:rgba(255,255,255,.82);}
.hero-meta li{display:flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--gold);font-size:14px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1.4;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:hover{background:var(--gold);color:var(--ink);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-outline:hover{background:var(--alt);border-color:var(--ink);color:var(--ink);transform:translateY(-1px);}
.btn-gold{background:var(--gold);color:var(--ink);}
.btn-gold:hover{background:#f0c15a;color:var(--ink);transform:translateY(-1px);}

/* ---------- 快捷跳转条 ---------- */
.quick-jump{background:#fff;border-bottom:1px solid var(--line);}
.quick-jump .wrap{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-top:14px;padding-bottom:14px;font-size:14px;
}
.qj-label{color:var(--muted);font-size:13px;letter-spacing:.6px;}
.quick-jump a{
  color:#3a3f66;padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);transition:all .18s ease;
}
.quick-jump a:hover{border-color:var(--violet);color:var(--violet);background:rgba(109,91,208,.06);}
.quick-jump a.current{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 板块 ---------- */
.section{padding:78px 0;}
.section.alt{background:var(--alt);}
.section.white{background:#fff;}
.section-head{max-width:780px;margin-bottom:38px;}
.eyebrow{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(109,91,208,.12);color:var(--violet);
  font-size:13px;letter-spacing:.5px;margin-bottom:14px;
}
.section h2{
  position:relative;padding-left:18px;
  font-size:28px;line-height:1.45;font-weight:700;margin-bottom:14px;
}
.section h2::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:4px;
  border-radius:2px;background:var(--gold);
}
.section-head p{color:var(--muted);font-size:15.5px;}
.section h3{font-size:20px;line-height:1.5;font-weight:600;}

/* ---------- 核验要点 ---------- */
.split{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.check-card{
  background:var(--card);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh);
  border:1px solid transparent;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.check-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:rgba(109,91,208,.28);}
.check-card i{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:rgba(232,177,58,.16);color:#a97a12;font-size:16px;margin-bottom:14px;
  border:1px solid rgba(232,177,58,.4);
}
.check-card h3{font-size:17px;margin-bottom:8px;}
.check-card p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0;}
.figure-frame{
  border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh);
  background:#fff;
}
.figure-frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.figure-cap{font-size:13px;color:var(--muted);line-height:1.7;padding:12px 16px;border-top:1px solid var(--line);}

/* ---------- 对比 ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-card{
  background:#fff;border-radius:var(--r-card);padding:26px;
  box-shadow:var(--sh);border-top:4px solid var(--line);
  transition:box-shadow .2s ease,transform .2s ease;
}
.compare-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.compare-card.good{border-top-color:var(--gold);}
.compare-card.bad{border-top-color:var(--warn);}
.compare-card h3{display:flex;align-items:center;gap:10px;font-size:19px;margin-bottom:18px;}
.compare-card h3 i{font-size:16px;}
.compare-card.good h3 i{color:#b8860f;}
.compare-card.bad h3 i{color:var(--warn);}
.compare-list li{
  position:relative;padding:11px 0 11px 26px;
  font-size:15px;color:#3d4266;line-height:1.85;
  border-bottom:1px dashed rgba(27,31,75,.12);
}
.compare-list li:last-child{border-bottom:0;padding-bottom:0;}
.compare-list li::before{
  content:"";position:absolute;left:0;top:19px;
  width:9px;height:9px;border-radius:3px;background:var(--gold);
}
.compare-card.bad .compare-list li::before{background:var(--warn);opacity:.65;}

/* ---------- 流程 ---------- */
.flow{display:grid;gap:16px;max-width:920px;}
.flow-item{
  display:grid;grid-template-columns:78px 1fr;gap:18px;align-items:start;
  background:#fff;border-radius:var(--r-card);padding:24px 26px;
  box-shadow:var(--sh);transition:box-shadow .2s ease,transform .2s ease;
}
.flow-item:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.flow-num{
  font-size:38px;font-weight:800;line-height:1;letter-spacing:1px;
  color:rgba(109,91,208,.30);
}
.flow-item h3{font-size:18px;margin-bottom:6px;}
.flow-item p{margin:0;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- 问答条目 ---------- */
.qa-wrap{max-width:900px;}
.qa-accordion .accordion-item{
  border:0;border-radius:var(--r-card);background:#fff;
  box-shadow:var(--sh);margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease;
}
.qa-accordion .accordion-item:hover{box-shadow:var(--sh-hover);}
.qa-accordion .accordion-button{
  display:flex;align-items:center;gap:12px;
  width:100%;padding:20px 22px;background:#fff;border:0;
  color:var(--ink);font-size:16px;font-weight:600;line-height:1.7;
  box-shadow:none;border-radius:0;
}
.qa-accordion .accordion-button:focus{box-shadow:none;}
.qa-accordion .accordion-button:focus-visible{outline:3px solid rgba(109,91,208,.45);outline-offset:-3px;}
.qa-accordion .accordion-button::after{display:none;}
.qa-accordion .qa-sign{
  margin-left:auto;flex:0 0 auto;
  width:26px;height:26px;border-radius:8px;
  display:grid;place-items:center;
  background:var(--alt);color:var(--ink);
  font-size:15px;font-weight:700;line-height:1;
}
.qa-accordion .accordion-button:not(.collapsed){
  color:var(--ink);
  background:#fff;
  box-shadow:inset 4px 0 0 var(--gold);
}
.qa-accordion .accordion-button:not(.collapsed) .qa-sign{background:rgba(232,177,58,.24);color:#8a6414;}
.qa-accordion .accordion-body{
  padding:0 26px 24px 26px;
  font-size:15px;line-height:1.9;color:var(--muted);
  border-top:1px solid var(--line);
  padding-top:18px;margin-top:0;
}
.qa-accordion .accordion-body strong{color:var(--ink);}
.qa-accordion .accordion-collapse{border-radius:0 0 var(--r-card) var(--r-card);}

/* ---------- 数据 / 支持 ---------- */
.support-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.stat-grid{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:40px;border-top:1px solid var(--line);
}
.stat-item{
  padding:24px 18px 6px 0;border-right:1px solid var(--line);
}
.stat-item:last-child{border-right:0;}
.stat-item .num{font-size:28px;font-weight:700;color:var(--ink);line-height:1.3;letter-spacing:.5px;}
.stat-item .num span{font-size:15px;font-weight:600;color:var(--muted);margin-left:4px;}
.stat-item p{margin:6px 0 0;font-size:13px;color:var(--muted);line-height:1.7;}
.tip-list li{
  position:relative;padding:10px 0 10px 26px;
  font-size:15px;color:#3d4266;line-height:1.85;
}
.tip-list li::before{
  content:"";position:absolute;left:0;top:19px;
  width:9px;height:9px;border-radius:3px;background:var(--violet);
}
.contact-card{
  margin-top:22px;background:#fff;border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh);
  display:flex;flex-wrap:wrap;gap:8px 22px;align-items:center;
  font-size:14.5px;color:var(--muted);
}
.contact-card i{color:var(--violet);margin-right:6px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--footer);color:#fff;padding:66px 0;text-align:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    radial-gradient(2px 2px at 16% 34%, rgba(232,177,58,.5), transparent 62%),
    radial-gradient(1.6px 1.6px at 42% 76%, rgba(255,255,255,.35), transparent 62%),
    radial-gradient(2.2px 2.2px at 72% 26%, rgba(255,255,255,.3), transparent 62%),
    radial-gradient(1.4px 1.4px at 88% 70%, rgba(232,177,58,.45), transparent 62%);
}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:0 20px;}
.cta-band h2{
  color:#fff;font-size:28px;line-height:1.5;padding-left:0;margin-bottom:14px;
}
.cta-band h2::before{display:none;}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:rgba(255,255,255,.72);padding:56px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;
}
.footer-brand:hover{color:var(--gold);}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2a2f66,#1b1f4b);}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin-bottom:16px;}
.footer-contact{display:grid;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--gold);margin-right:6px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.4px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col ul a:hover{color:var(--gold);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:20px;font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:34px;}
  .split,.support-grid{gap:34px;}
}
@media (max-width:991px){
  .nav-search{display:none;}
  .nav-links{gap:16px;}
  .section{padding:64px 0;}
  .split,.support-grid{grid-template-columns:1fr;}
  .check-grid{gap:16px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);padding:20px 0;}
  .stat-item:nth-child(odd){padding-right:18px;}
  .stat-item:nth-last-child(-n+2){border-bottom:0;}
}
@media (max-width:767px){
  .nav-bar{height:56px;gap:12px;}
  .brand{font-size:16px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    display:none;position:absolute;left:0;right:0;top:56px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:10px 20px 22px;
    box-shadow:0 14px 28px rgba(27,31,75,.12);
    border-top:1px solid var(--line);
  }
  .nav-links.open{display:flex;}
  .nav-links a{
    padding:14px 0;font-size:16px;border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--violet);}
  .nav-cta-mobile{
    display:inline-flex;justify-content:center;margin-top:16px;
    padding:12px 18px;border-radius:var(--r-btn);
    background:var(--ink);color:#fff;font-weight:600;border-bottom:0 !important;
  }
  .nav-cta-mobile:hover{background:var(--gold);color:var(--ink);}
  .hero{min-height:400px;}
  .hero-inner{padding:46px 20px;text-align:left;}
  .hero h1{font-size:27px;line-height:1.4;}
  .hero-lead{font-size:15px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-meta{flex-direction:column;gap:8px;}
  .section{padding:48px 0;}
  .section h2{font-size:23px;}
  .check-grid,.compare-grid{grid-template-columns:1fr;}
  .flow-item{grid-template-columns:56px 1fr;padding:20px;gap:14px;}
  .flow-num{font-size:30px;}
  .qa-accordion .accordion-button{font-size:15.5px;padding:18px;}
  .qa-accordion .accordion-body{padding:16px 18px 20px 18px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-item{padding:16px 0 !important;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
  .cta-band{padding:52px 0;}
  .cta-band h2{font-size:23px;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .hero h1{font-size:24px;}
  .section h2{font-size:21px;}
  .check-card,.compare-card{padding:18px;}
  .quick-jump .wrap{gap:8px 10px;font-size:13px;}
}