/* roulang page: index */
:root{
  --brand:#241C3C;
  --brand-2:#3A2F5B;
  --brand-3:#6B5E90;
  --accent:#FF6B3D;
  --accent-dark:#E8572B;
  --mint:#2FD4B4;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --ink:#1C1826;
  --ink-2:#5B5566;
  --ink-3:#8A8496;
  --line:#E2DBD0;
  --danger:#D64545;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow:0 1px 2px rgba(28,24,38,.05),0 10px 26px -18px rgba(36,28,60,.28);
  --shadow-hover:0 14px 34px -16px rgba(36,28,60,.34);
  --sidebar-w:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--focus,#FF6B3D);outline-offset:2px;}

/* ---------- App shell ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand);color:#EFEAF6;display:flex;flex-direction:column;
  padding:24px 18px 20px;z-index:1040;overflow-y:auto;
}
.brand-block{
  display:flex;align-items:center;gap:10px;padding-bottom:22px;margin-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:rgba(255,255,255,.10);
  display:grid;grid-template-columns:repeat(3,4px);grid-template-rows:repeat(3,4px);
  gap:3px;align-content:center;justify-content:center;flex:none;
}
.brand-mark span{width:4px;height:4px;border-radius:1px;background:var(--accent);opacity:.85;}
.brand-mark span:nth-child(2n){background:var(--mint);opacity:.7;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text .b1{font-size:22px;font-weight:700;color:#fff;letter-spacing:.5px;}
.brand-text .b2{font-size:13px;color:rgba(239,234,246,.72);margin-top:3px;}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px;}
.side-nav-label{font-size:12px;color:rgba(239,234,246,.42);letter-spacing:.12em;margin:14px 0 8px;padding-left:12px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;height:44px;padding:0 12px;
  border-radius:10px;color:rgba(239,234,246,.66);font-size:15px;
  transition:background .2s ease,color .2s ease,padding-left .2s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;
  background:transparent;transition:background .2s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600;}
.side-link.active::before{background:var(--accent);}
.side-dot{width:6px;height:6px;border-radius:50%;background:rgba(239,234,246,.34);flex:none;transition:background .2s ease;}
.side-link.active .side-dot,.side-link:hover .side-dot{background:var(--mint);}
.side-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;line-height:1.7;color:rgba(239,234,246,.55);
}
.side-foot a{color:rgba(239,234,246,.78);}
.side-foot a:hover{color:var(--mint);}
.side-foot .sf-title{color:#fff;font-weight:600;display:block;margin-bottom:4px;font-size:13px;}

.main-area{margin-left:var(--sidebar-w);}
.container-main{max-width:1180px;margin:0 auto;padding:0 32px;}

/* ---------- mobile topbar ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1045;
  background:#fff;border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-bar .brand-text .b1{font-size:18px;color:var(--brand);}
.mobile-bar .brand-text .b2{color:var(--ink-3);font-size:12px;}
.mobile-bar .brand-mark{background:var(--surface-2);}
.mobile-bar .brand-mark span{background:var(--brand);}
.mobile-bar .brand-mark span:nth-child(2n){background:var(--accent);}
.burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;
}
.burger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;}

/* offcanvas */
.offcanvas{background:var(--brand);color:#EFEAF6;width:290px;}
.offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:18px 20px;}
.offcanvas-body{padding:16px 14px 24px;}
.offcanvas .side-link{height:46px;}
.oc-cta{
  display:block;text-align:center;margin-top:18px;height:46px;line-height:46px;
  background:var(--accent);color:#fff;border-radius:10px;font-weight:600;font-size:15px;
}
.oc-cta:hover{background:var(--accent-dark);color:#fff;}

/* ---------- shared bits ---------- */
section{padding:88px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:28px;font-weight:700;line-height:1.3;color:var(--ink);}
.sec-head .sub{font-size:14px;color:var(--ink-2);margin-top:8px;}
.link-more{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more .arw{transition:transform .2s ease;}
.link-more:hover{color:var(--accent-dark);text-decoration:underline;text-underline-offset:4px;}
.link-more:hover .arw{transform:translateX(4px);}
.badge-pill{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:500;
  background:var(--surface-2);color:var(--brand-3);line-height:1.6;
}
.badge-pill.accent{background:rgba(255,107,61,.12);color:var(--accent);}
.badge-pill.mint{background:rgba(47,212,180,.14);color:#17876F;}
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:500;
  cursor:pointer;border:1px solid transparent;transition:all .22s ease;
}
.btn-main{background:var(--accent);color:#fff;}
.btn-main:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.btn-main:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.card-base{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-base:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- hero ---------- */
.hero{padding:64px 0 72px;}
.hero-grid{display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-block;background:var(--surface-2);color:var(--brand-3);
  font-size:14px;padding:5px 14px;border-radius:999px;margin-bottom:20px;
}
.hero h1{
  font-size:40px;line-height:1.25;font-weight:700;letter-spacing:-.5px;color:var(--ink);
}
.hero-lead{font-size:17px;color:var(--ink-2);margin-top:18px;max-width:560px;}
.hero-actions{display:flex;gap:12px;margin-top:30px;flex-wrap:wrap;}
.hero-trust{
  display:flex;gap:28px;margin-top:34px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap;
}
.hero-trust .t-item strong{display:block;font-size:20px;font-weight:700;color:var(--brand);}
.hero-trust .t-item span{font-size:13px;color:var(--ink-3);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:380px;object-fit:cover;border-radius:20px;
  box-shadow:var(--shadow);
}
.hero-badge{
  position:absolute;right:16px;bottom:16px;background:var(--brand);color:#fff;
  border-radius:12px;padding:12px 16px;min-width:150px;
}
.hero-badge .hb-num{font-size:22px;font-weight:700;line-height:1.2;}
.hero-badge .hb-txt{font-size:12px;color:rgba(255,255,255,.62);margin-top:2px;}

/* ---------- pain points ---------- */
.pain{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.pain-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:56px;}
.pain-title h2{font-size:28px;line-height:1.32;font-weight:700;}
.pain-title p{font-size:14px;color:var(--ink-2);margin-top:14px;max-width:320px;}
.pain-list li{
  display:flex;gap:20px;padding:22px 12px 22px 0;border-bottom:1px solid var(--line);
  transition:transform .2s ease,background .2s ease;cursor:default;
}
.pain-list li:first-child{border-top:1px solid var(--line);}
.pain-list li:hover{transform:translateX(4px);background:rgba(239,234,226,.5);}
.pain-num{
  font-size:15px;font-weight:700;color:var(--mint);font-variant-numeric:tabular-nums;
  flex:none;width:32px;transition:color .2s ease;padding-top:2px;
}
.pain-list li:hover .pain-num{color:var(--accent);}
.pain-body h3{font-size:17px;font-weight:600;line-height:1.5;}
.pain-body p{font-size:14px;color:var(--ink-2);margin-top:4px;}

/* ---------- solutions ---------- */
.sol-wide{
  display:grid;grid-template-columns:minmax(0,6fr) minmax(0,4fr);gap:0;overflow:hidden;margin-bottom:24px;
}
.sol-wide .sol-text{padding:36px;}
.sol-wide h3{font-size:22px;font-weight:700;margin:14px 0 10px;}
.sol-wide p{font-size:15px;color:var(--ink-2);max-width:460px;}
.sol-wide .sol-img{min-height:280px;}
.sol-wide .sol-img img{width:100%;height:100%;object-fit:cover;min-height:280px;}
.sol-nav{margin-top:22px;}
.sol-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.sol-card{padding:26px;display:flex;flex-direction:column;}
.sol-card h3{font-size:20px;font-weight:600;margin:14px 0 10px;line-height:1.45;}
.sol-card p{font-size:15px;color:var(--ink-2);}
.sol-card .sol-foot{margin-top:20px;}
.sol-card .link-more{display:inline-flex;align-items:center;gap:6px;}

/* ---------- data panel ---------- */
.data-wrap{padding:0 0 88px;}
.data-panel{
  background:var(--brand);border-radius:16px;padding:40px;color:#fff;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:28px;
}
.data-cell{padding-top:16px;border-top:1px solid rgba(255,255,255,.16);}
.data-cell .dv{font-size:36px;font-weight:700;line-height:1.15;color:#fff;}
.data-cell .dv small{font-size:15px;font-weight:500;margin-left:2px;color:rgba(255,255,255,.8);}
.data-cell .dl{font-size:13px;color:rgba(255,255,255,.62);margin-top:6px;line-height:1.6;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:st;}
.step-card{padding:26px;position:relative;}
.step-card .st-no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;
  border-radius:9px;background:rgba(255,107,61,.12);color:var(--accent);font-weight:700;font-size:15px;
}
.step-card h3{font-size:18px;font-weight:600;margin:14px 0 8px;}
.step-card p{font-size:14px;color:var(--ink-2);}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-thumb{aspect-ratio:16/10;background:var(--surface-2);overflow:hidden;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17px;font-weight:600;line-height:1.5;margin:10px 0 8px;}
.news-body .news-sum{font-size:14px;color:var(--ink-2);line-height:1.7;}
.news-meta{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--ink-3);border-top:1px solid var(--line);margin-top:16px;
}
.news-meta .arw{color:var(--brand-3);transition:transform .2s ease,color .2s ease;}
.news-card:hover .news-meta .arw{transform:translateX(4px);color:var(--accent);}
.news-empty{
  border:1px dashed var(--line);border-radius:14px;padding:56px 24px;text-align:center;background:#fff;
}
.news-empty .ne-icon{
  width:52px;height:52px;border-radius:14px;background:var(--surface-2);margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;color:var(--brand-3);font-size:20px;
}
.news-empty p{color:var(--ink-2);font-size:15px;margin-bottom:18px;}

/* ---------- proof ---------- */
.proof{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.proof-grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:56px;align-items:center;}
.proof-img img{width:100%;height:320px;object-fit:cover;border-radius:var(--radius-img);}
.proof-quote{
  background:var(--surface-2);border-left:3px solid var(--brand);border-radius:0 12px 12px 0;
  padding:20px 24px;font-size:15px;color:var(--ink-2);line-height:1.85;
}
.proof-list{margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.proof-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);}
.proof-list li .dot{
  width:8px;height:8px;border-radius:50%;background:var(--mint);flex:none;margin-top:11px;
}

/* ---------- faq ---------- */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;margin-bottom:14px;overflow:hidden;position:relative;}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .22s ease;
}
.faq-item.open::before{background:var(--accent);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;padding:20px 24px;display:flex;
  align-items:center;justify-content:space-between;gap:18px;cursor:pointer;
}
.faq-q h3{font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;margin:0;}
.faq-icon{
  flex:none;width:22px;height:22px;position:relative;transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-3);border-radius:2px;transition:background .2s ease;
}
.faq-icon::before{left:0;top:10px;width:22px;height:2px;}
.faq-icon::after{top:0;left:10px;width:2px;height:22px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand);border-radius:16px;padding:44px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:26px;font-weight:700;color:#fff;line-height:1.35;}
.cta-band p{font-size:15px;color:rgba(255,255,255,.7);margin-top:10px;max-width:520px;}

/* ---------- privacy band ---------- */
.privacy-band{
  background:var(--surface-2);border-radius:14px;padding:22px 26px;margin-top:28px;
  font-size:14px;color:var(--ink-2);line-height:1.8;max-width:760px;
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand);color:#EFEAF6;padding:64px 0 24px;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-text .b1{font-size:20px;}
.footer-brand p{font-size:14px;color:rgba(239,234,246,.6);margin-top:16px;line-height:1.8;max-width:280px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(239,234,246,.66);}
.footer-links a:hover{color:var(--mint);}
.footer-contact p{font-size:14px;color:rgba(239,234,246,.66);line-height:1.9;}
.footer-bottom{
  margin-top:48px;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:13px;color:rgba(239,234,246,.48);
}
.footer-bottom a{color:rgba(239,234,246,.62);}
.footer-bottom a:hover{color:var(--mint);}

/* ---------- modal ---------- */
.modal-content{
  border:0;border-radius:16px;box-shadow:0 30px 70px -30px rgba(28,24,38,.5);
}
.modal-body{padding:32px;position:relative;}
.modal-title{font-size:20px;font-weight:600;color:var(--ink);}
.modal-sub{font-size:14px;color:var(--ink-2);margin-top:6px;margin-bottom:22px;}
.modal-close{
  position:absolute;top:18px;right:18px;width:32px;height:32px;border-radius:8px;border:1px solid var(--line);
  background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.modal-close::before,.modal-close::after{
  content:"";position:absolute;width:14px;height:2px;background:var(--ink-2);border-radius:2px;
}
.modal-close::before{transform:rotate(45deg);}
.modal-close::after{transform:rotate(-45deg);}
.modal-close:hover{border-color:var(--brand);}
.modal-close:hover::before,.modal-close:hover::after{background:var(--brand);}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;display:block;}
.form-control,.form-select{
  height:46px;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:15px;
  color:var(--ink);background:#fff;box-shadow:none;transition:border-color .2s ease,box-shadow .2s ease;
}
textarea.form-control{height:auto;min-height:92px;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,107,61,.25);outline:none;
}
.form-row{margin-bottom:16px;}
.form-btn{width:100%;height:48px;border:0;border-radius:10px;background:var(--accent);color:#fff;font-size:15px;font-weight:500;transition:background .2s ease,transform .2s ease;}
.form-btn:hover{background:var(--accent-dark);transform:translateY(-1px);}
.form-tip{font-size:12px;color:var(--ink-3);margin-top:14px;line-height:1.7;}
.form-tip a{color:var(--brand-3);text-decoration:underline;text-underline-offset:3px;}

/* ---------- responsive ---------- */
@media (min-width:992px) and (max-width:1199px){
  :root{--sidebar-w:208px;}
  .side-link{font-size:14px;}
  .hero h1{font-size:34px;}
  .container-main{padding:0 24px;}
}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual img{height:320px;}
  .data-panel{grid-template-columns:repeat(2,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .app-sidebar{display:none;}
  .mobile-bar{display:flex;}
  .main-area{margin-left:0;padding-top:60px;}
  .container-main{padding:0 16px;}
  section{padding:64px 0;}
  .hero{padding:40px 0 52px;}
  .hero h1{font-size:30px;}
  .pain-grid{grid-template-columns:1fr;gap:28px;}
  .sol-wide{grid-template-columns:1fr;}
  .sol-wide .sol-img{min-height:220px;}
  .sol-wide .sol-img img{min-height:220px;height:220px;}
  .proof-grid{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr 1fr;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:767px){
  .hero h1{font-size:28px;}
  .sec-head h2{font-size:22px;}
  .sol-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .data-panel{grid-template-columns:repeat(2,minmax(0,1fr));padding:28px;gap:20px;}
  .data-cell .dv{font-size:28px;}
  .hero-visual img{height:220px;}
  .hero-trust{gap:18px;}
  .cta-band{padding:28px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .modal-body{padding:24px;}
}
@media (max-width:575px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .data-panel{grid-template-columns:1fr;}
  .paids{padding:0;}
  .btn-main,.btn-ghost{font-size:14px;}
}

/* roulang page: article */
:root{
  --brand:#241C3C;
  --brand-2:#3A2F5B;
  --brand-3:#6B5E90;
  --accent:#FF6B3D;
  --accent-d:#F25A2A;
  --mint:#2FD4B4;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --ink:#1C1826;
  --ink-2:#5B5566;
  --ink-3:#8A8496;
  --line:#E2DBD0;
  --focus:#FF6B3D;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sd-1:0 1px 2px rgba(28,24,38,.05),0 10px 26px -18px rgba(36,28,60,.28);
  --sd-2:0 14px 34px -16px rgba(36,28,60,.34);
  --side-w:248px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--side-w);height:100vh;
  background:var(--brand);color:#EFEAF6;
  display:flex;flex-direction:column;
  padding:24px 18px;z-index:1030;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding-bottom:20px;border-bottom:1px solid rgba(255,255,255,.08);}
.brand-mark{
  width:28px;height:28px;border-radius:8px;flex:0 0 auto;
  background:rgba(255,255,255,.08);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:3px;padding:5px;
}
.brand-mark i{display:block;border-radius:1px;background:var(--accent);opacity:.95;}
.brand-mark i:nth-child(2),.brand-mark i:nth-child(4),.brand-mark i:nth-child(9){background:rgba(255,255,255,.35);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text .b1{font-size:22px;font-weight:700;color:#fff;letter-spacing:0;}
.brand-text .b2{font-size:13px;color:rgba(239,234,246,.62);margin-top:2px;}

.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:18px;}
.side-nav-label{
  font-size:12px;color:rgba(239,234,246,.42);
  padding:0 12px 6px;letter-spacing:.04em;
}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  font-size:15px;color:rgba(239,234,246,.76);
  transition:background .18s ease,color .18s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:transparent;transition:background .18s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600;}
.side-link.active::before{background:var(--accent);}
.side-dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.45;flex:0 0 auto;}
.side-link.active .side-dot{background:var(--accent);opacity:1;}

.side-foot{
  margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;line-height:1.7;color:rgba(239,234,246,.55);
}
.side-foot a{color:rgba(239,234,246,.82);}
.side-foot a:hover{color:var(--mint);}
.side-foot .mini-title{color:#fff;font-weight:600;margin-bottom:6px;font-size:13px;}

/* ---------- 移动端栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1040;
}
.mobile-bar .brand-text .b1{color:var(--brand);font-size:19px;}
.mobile-bar .brand-text .b2{color:var(--ink-3);font-size:12px;}
.mobile-bar .brand-mark{background:var(--surface-2);}
.mobile-bar .brand-mark i{background:var(--accent);}
.mobile-bar .brand-mark i:nth-child(2),
.mobile-bar .brand-mark i:nth-child(4),
.mobile-bar .brand-mark i:nth-child(9){background:var(--brand-3);opacity:.45;}
.burger{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface);color:var(--brand);font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.burger:hover{border-color:var(--brand);}

/* ---------- 抽屉 ---------- */
.drawer{background:var(--brand);color:#EFEAF6;width:290px;border:0;padding:0;}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:20px 18px;}
.drawer .offcanvas-body{padding:18px;}
.drawer .btn-close{filter:invert(1) brightness(2);opacity:.7;}
.drawer .side-nav{margin-top:0;}
.drawer .btn-acc{width:100%;margin-top:18px;}

/* ---------- 主区域 ---------- */
.main{margin-left:var(--side-w);padding:0 32px;min-height:100vh;}
.container-main{max-width:1180px;margin:0 auto;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding-top:32px;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.55;}
.crumb .now{color:var(--ink-2);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;padding:20px 0 88px;
}
.post{min-width:0;}

.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;line-height:1;padding:7px 12px;border-radius:var(--r-pill);
  background:var(--surface-2);color:var(--brand-3);
}
.pill-accent{background:rgba(255,107,61,.12);color:var(--accent-d);}
.pill-mint{background:rgba(47,212,180,.14);color:#12836F;}

.post-head{padding-top:20px;}
.post-title{
  font-size:36px;font-weight:700;line-height:1.3;letter-spacing:-.5px;
  color:var(--brand);margin:16px 0 18px;max-width:820px;
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--ink-3);
}
.post-meta .sep{width:1px;height:12px;background:var(--line);display:inline-block;}
.post-meta i{font-size:12px;margin-right:4px;color:var(--brand-3);}

.post-cover{
  margin:28px 0 8px;border-radius:20px;overflow:hidden;
  box-shadow:var(--sd-1);background:var(--surface-2);
  aspect-ratio:16/9;
}
.post-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:760px;font-size:16px;line-height:1.9;color:var(--ink-2);padding-top:16px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:18px 0;}
.article-body h2{
  position:relative;font-size:28px;font-weight:700;line-height:1.35;
  color:var(--brand);margin:44px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:3px;background:var(--accent);
}
.article-body h3{
  font-size:19px;font-weight:600;color:var(--ink);margin:30px 0 12px;
}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:22px 0 10px;}
.article-body ul,.article-body ol{margin:18px 0;}
.article-body ul li{
  position:relative;padding-left:22px;margin:10px 0;
}
.article-body ul li::before{
  content:"";position:absolute;left:5px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--mint);
}
.article-body ol{counter-reset:li;}
.article-body ol li{position:relative;padding-left:26px;margin:10px 0;counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:2px;font-size:13px;font-weight:700;color:var(--accent);
}
.article-body a{color:var(--accent-d);border-bottom:1px solid rgba(255,107,61,.35);}
.article-body a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.article-body strong{color:var(--ink);font-weight:600;}
.article-body blockquote{
  margin:26px 0;padding:20px 22px;background:var(--surface-2);
  border-left:3px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:14px;width:100%;height:auto;margin:24px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;
  background:var(--surface);border-radius:12px;overflow:hidden;
}
.article-body thead th{
  background:var(--brand);color:#fff;font-weight:600;text-align:left;
  padding:12px 14px;font-size:14px;
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid var(--line);color:var(--ink-2);}
.article-body tbody tr:nth-child(even) td{background:#FAF8F4;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}

/* ---------- 文末操作 ---------- */
.post-tags{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;}
.post-tags .tag{
  font-size:13px;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--surface);border:1px solid var(--line);color:var(--ink-2);
}
.post-tags .tag:hover{border-color:var(--accent);color:var(--accent-d);}

.post-nav{
  margin-top:28px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:16px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:14px;color:var(--ink-2);
}
.post-nav a{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);}
.post-nav a:hover{color:var(--accent);}
.post-nav a i{font-size:12px;}

.post-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ---------- 空态 ---------- */
.empty-state{
  margin-top:32px;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--r-card);padding:56px 24px;text-align:center;
}
.empty-state .es-icon{
  width:56px;height:56px;border-radius:16px;background:var(--surface-2);
  color:var(--brand-3);display:inline-flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:16px;
}
.empty-state h2{font-size:20px;font-weight:600;color:var(--brand);margin-bottom:8px;}
.empty-state p{font-size:14px;color:var(--ink-2);margin-bottom:20px;}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;line-height:1;
}
.btn-acc{background:var(--accent);color:#fff;}
.btn-acc:hover{background:var(--accent-d);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);background:var(--surface);color:var(--brand);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-link-x{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--accent-d);font-weight:500;
}
.btn-link-x i{transition:transform .2s ease;font-size:12px;}
.btn-link-x:hover i{transform:translateX(4px);}

/* ---------- 侧栏辅助 ---------- */
.article-aside{
  position:sticky;top:32px;align-self:start;
  display:flex;flex-direction:column;gap:24px;
}
.aside-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sd-1);
}
.aside-title{
  font-size:14px;font-weight:600;color:var(--brand);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.aside-title i{color:var(--accent);font-size:13px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-link{
  display:block;font-size:14px;line-height:1.6;color:var(--ink-2);
  padding:7px 10px 7px 12px;border-radius:8px;border-left:3px solid transparent;
  transition:all .18s ease;
}
.toc-link:hover{background:var(--surface-2);border-left-color:var(--accent);color:var(--brand);}
.toc-link.is-active{border-left-color:var(--accent);color:var(--brand);font-weight:600;background:var(--surface-2);}

.rel-list{display:flex;flex-direction:column;gap:14px;}
.rel-item{display:flex;gap:12px;align-items:flex-start;padding:10px;border-radius:12px;transition:background .18s ease;}
.rel-item:hover{background:var(--surface-2);}
.rel-thumb{
  width:96px;height:72px;flex:0 0 auto;border-radius:10px;overflow:hidden;background:var(--surface-2);
}
.rel-thumb img{width:100%;height:100%;object-fit:cover;}
.rel-body{min-width:0;}
.rel-title{
  font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-item:hover .rel-title{color:var(--accent-d);}
.rel-date{font-size:12px;color:var(--ink-3);margin-top:6px;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  margin-top:40px;background:var(--brand);border-radius:16px;
  padding:40px;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;color:#fff;
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4;margin-bottom:10px;color:#fff;}
.cta-band p{font-size:14px;color:rgba(255,255,255,.7);max-width:520px;line-height:1.8;margin:0;}
.cta-band .btn-acc{flex:0 0 auto;}
.cta-note{font-size:13px;color:rgba(255,255,255,.5);margin-top:10px;}

/* ---------- 表单 / 弹层 ---------- */
.modal-content{border:0;border-radius:16px;box-shadow:0 24px 60px -24px rgba(36,28,60,.45);}
.modal-header{border-bottom:1px solid var(--line);padding:22px 24px;}
.modal-title{font-size:20px;font-weight:600;color:var(--brand);}
.modal-sub{font-size:14px;color:var(--ink-2);margin:6px 0 0;}
.modal-body{padding:22px 24px;}
.modal-footer{border-top:1px solid var(--line);padding:16px 24px;font-size:12px;color:var(--ink-3);}
.btn-close{filter:none;opacity:.5;}
.btn-close:hover{opacity:.9;}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-control,.form-select{
  height:46px;border-radius:10px;border:1px solid var(--line);
  padding:12px 14px;font-size:15px;color:var(--ink);background:var(--surface);
}
textarea.form-control{height:auto;min-height:92px;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,107,61,.18);outline:none;
}
.form-control::placeholder{color:var(--ink-3);}
.form-tip{font-size:12px;color:var(--ink-3);margin-top:10px;}
.form-ok{font-size:14px;color:#12836F;margin-top:12px;display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:#EFEAF6;margin-top:0;padding:64px 0 28px;}
.site-footer .container-main{padding:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .brand-text .b1{font-size:20px;color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(239,234,246,.62);margin-top:14px;max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(239,234,246,.68);}
.footer-links a:hover{color:var(--mint);}
.footer-contact p{font-size:13px;line-height:1.9;color:rgba(239,234,246,.62);margin:0;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(239,234,246,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:1fr;gap:36px;}
  .article-aside{position:static;}
  .aside-card{box-shadow:none;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .mobile-bar{display:flex;}
  .main{margin-left:0;padding:60px 20px 0;}
  .crumb{padding-top:24px;}
  .post-title{font-size:30px;}
  .cta-band{padding:32px;}
}
@media (max-width:767.98px){
  .main{padding:60px 16px 0;}
  .post-title{font-size:26px;letter-spacing:-.3px;}
  .post-cover{border-radius:16px;margin:22px 0 4px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{font-size:22px;margin-top:36px;}
  .article-body h3{font-size:18px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-band{padding:26px;border-radius:14px;}
  .cta-band h2{font-size:20px;}
  .post-nav{flex-direction:column;gap:10px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .site-footer{padding:48px 0 24px;}
}
@media (max-width:575.98px){
  .btn-x{width:100%;}
  .post-actions .btn-x{width:100%;}
  .cta-band .btn-acc{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .aside-card{padding:18px;}
  .crumb .now{max-width:200px;}
}

/* roulang page: category1 */
:root{
  --brand:#241C3C;
  --brand-2:#3A2F5B;
  --brand-3:#6B5E90;
  --accent:#FF6B3D;
  --accent-dark:#E85A2C;
  --mint:#2FD4B4;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --ink:#1C1826;
  --ink-2:#5B5566;
  --ink-3:#8A8496;
  --line:#E2DBD0;
  --focus:#FF6B3D;
  --r-card:14px;
  --r-btn:10px;
  --r-img:16px;
  --sh:0 1px 2px rgba(28,24,38,.05), 0 10px 26px -18px rgba(36,28,60,.28);
  --sh-hover:0 14px 34px -16px rgba(36,28,60,.34);
  --sidebar-w:248px;
  --bs-body-font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
img{display:block;max-width:100%;height:auto;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:0;list-style:none;}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px;}

/* ---------- 侧边导航 ---------- */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand);color:#EFEAF6;
  display:flex;flex-direction:column;
  padding:24px 16px;z-index:1035;
  overflow-y:auto;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;
  padding-bottom:22px;margin-bottom:18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.logo-mark{
  width:28px;height:28px;border-radius:8px;flex:0 0 28px;
  background:rgba(255,255,255,.10);
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;padding:5px;
}
.logo-mark i{background:rgba(255,255,255,.55);border-radius:1px;display:block;}
.logo-mark i:nth-child(5){background:var(--accent);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text .b1{font-size:22px;font-weight:700;color:#fff;letter-spacing:0;}
.brand-text .b2{font-size:13px;color:rgba(239,234,246,.66);margin-top:2px;}
.side-nav-label{
  font-size:12px;color:rgba(239,234,246,.42);letter-spacing:1px;
  padding:0 12px 8px;
}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-link{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px 0 16px;
  border-radius:10px;
  font-size:14px;
  color:rgba(239,234,246,.66);
  transition:background .2s ease,color .2s ease;
}
.side-link .side-dot{
  width:5px;height:5px;border-radius:50%;
  background:rgba(255,255,255,.30);flex:0 0 5px;
  transition:background .2s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600;}
.side-link.active .side-dot{background:var(--accent);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--accent);
}
.sidebar-foot{
  margin-top:auto;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;line-height:1.7;color:rgba(239,234,246,.55);
}
.sidebar-foot a{color:rgba(239,234,246,.80);}
.sidebar-foot a:hover{color:var(--mint);}
.sidebar-foot strong{display:block;color:#fff;font-weight:600;margin-bottom:6px;font-size:13px;}

/* ---------- 移动端顶栏 ---------- */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:#fff;border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1040;
}
.mobile-brand{display:flex;align-items:center;gap:8px;}
.mobile-brand .logo-mark{background:var(--brand);}
.mobile-brand .logo-mark i{background:rgba(255,255,255,.60);}
.mobile-brand .logo-mark i:nth-child(5){background:var(--accent);}
.mobile-brand .txt{font-size:17px;font-weight:700;color:var(--brand);}
.mobile-brand .txt span{font-size:12px;font-weight:500;color:var(--ink-3);margin-left:4px;}
.hamburger{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);display:flex;flex-direction:column;justify-content:center;
  align-items:center;gap:4px;cursor:pointer;
}
.hamburger i{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;}
.offcanvas.drawer{background:var(--brand);color:#EFEAF6;width:290px;}
.drawer .drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer .drawer-body{padding:16px;display:flex;flex-direction:column;gap:4px;}
.drawer .btn-close-x{
  background:none;border:0;color:#EFEAF6;font-size:24px;line-height:1;cursor:pointer;
  width:36px;height:36px;border-radius:8px;
}
.drawer .btn-close-x:hover{background:rgba(255,255,255,.10);}
.drawer .drawer-foot{padding:16px 18px 24px;margin-top:auto;}
.drawer .drawer-note{font-size:13px;line-height:1.7;color:rgba(239,234,246,.55);margin-bottom:14px;}

/* ---------- 主内容 ---------- */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;background:var(--bg);}
.container-main{max-width:1180px;margin:0 auto;padding:0 32px;}

/* ---------- 通用组件 ---------- */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:0;border-radius:var(--r-btn);
  background:var(--accent);color:#fff;font-size:15px;font-weight:500;
  cursor:pointer;transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-accent:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:transparent;color:var(--brand);font-size:15px;font-weight:500;
  cursor:pointer;transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(36,28,60,.04);transform:translateY(-1px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:500;color:var(--accent);
}
.link-arrow .ar{transition:transform .2s ease;display:inline-block;}
.link-arrow:hover{color:var(--accent-dark);}
.link-arrow:hover .ar{transform:translateX(4px);}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;padding:4px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--brand-3);
}
.pill-accent{background:rgba(255,107,61,.12);color:var(--accent);}
.pill-mint{background:rgba(47,212,180,.14);color:#128E77;}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.panel-hover:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.section{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:28px;font-weight:700;line-height:1.35;color:var(--brand);}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;padding:4px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--brand-3);margin-bottom:18px;
}
.figure{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;background:var(--surface-2);}
.figure img{width:100%;height:100%;object-fit:cover;}
.figcap{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:28px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}
.crumb .now{color:var(--brand);font-weight:600;}

/* ---------- Hero ---------- */
.hero-cat{padding:32px 0 56px;}
.hero-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:48px;align-items:center;}
.hero-cat h1{
  font-size:40px;font-weight:700;line-height:1.25;letter-spacing:-.5px;color:var(--brand);
}
.hero-cat .lede{margin-top:18px;font-size:17px;color:var(--ink-2);line-height:1.85;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:26px;
  font-size:14px;color:var(--ink-2);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}
.hero-figure{position:relative;}
.hero-figure .badge-float{
  position:absolute;right:16px;bottom:16px;
  background:var(--brand);color:#fff;border-radius:12px;
  padding:10px 16px;font-size:13px;line-height:1.5;
  box-shadow:0 12px 28px -16px rgba(36,28,60,.6);
}
.hero-figure .badge-float b{display:block;font-size:18px;font-weight:700;letter-spacing:.5px;}
.hero-figure .badge-float em{font-style:normal;color:rgba(255,255,255,.62);font-size:12px;}

/* ---------- 步骤时间线 ---------- */
.split{display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start;}
.timeline{position:relative;padding-left:30px;border-left:2px solid var(--line);}
.tl-item{position:relative;padding-bottom:32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-38px;top:7px;
  width:12px;height:12px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 4px rgba(255,107,61,.14);
}
.tl-num{font-size:13px;font-weight:600;color:var(--mint);letter-spacing:1px;}
.tl-item h3{font-size:20px;font-weight:600;color:var(--brand);margin-top:4px;}
.tl-item p{margin-top:8px;font-size:15px;color:var(--ink-2);line-height:1.85;max-width:640px;}
.sticky-side{position:sticky;top:96px;}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);}
.side-card h3{font-size:18px;font-weight:600;color:var(--brand);margin-bottom:12px;}
.side-card ul{display:flex;flex-direction:column;gap:12px;}
.side-card li{
  display:flex;gap:10px;font-size:14px;color:var(--ink-2);line-height:1.75;
  padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.side-card li:last-child{border-bottom:0;padding-bottom:0;}
.side-card li .tick{color:var(--mint);font-weight:700;flex:0 0 auto;}

/* ---------- 准备清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.check-grid .panel:nth-child(2){transform:translateY(24px);}
.check-grid .panel:nth-child(3){transform:translateY(-8px);}
.check-grid .panel:nth-child(2):hover,
.check-grid .panel:nth-child(3):hover{transform:translateY(-4px);}
.check-card .pill{margin-bottom:14px;}
.check-card h3{font-size:19px;font-weight:600;color:var(--brand);line-height:1.5;}
.check-card p{margin-top:10px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- 数据面板 ---------- */
.stat-panel{
  background:var(--brand);border-radius:16px;padding:40px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:32px;
}
.stat-item{padding-top:16px;border-top:1px solid rgba(255,255,255,.16);}
.stat-item .num{font-size:36px;font-weight:700;color:#fff;line-height:1.2;}
.stat-item .num small{font-size:15px;font-weight:500;margin-left:4px;color:rgba(255,255,255,.72);}
.stat-item .name{margin-top:8px;font-size:14px;color:rgba(255,255,255,.86);font-weight:500;}
.stat-item .desc{margin-top:4px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;}
.faq-item{border-radius:14px;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;font-size:17px;font-weight:600;color:var(--brand);
  text-align:left;cursor:pointer;transition:box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.faq-q:hover{border-color:var(--brand-3);}
.faq-q[aria-expanded="true"]{box-shadow:inset 3px 0 0 var(--accent);border-color:var(--line);}
.faq-plus{
  position:relative;width:16px;height:16px;flex:0 0 16px;
  transition:transform .22s ease;
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--brand-3);border-radius:2px;
}
.faq-plus::before{left:0;top:7px;width:16px;height:2px;}
.faq-plus::after{left:7px;top:0;width:2px;height:16px;}
.faq-q[aria-expanded="true"] .faq-plus{transform:rotate(45deg);}
.faq-q[aria-expanded="true"] .faq-plus::before,
.faq-q[aria-expanded="true"] .faq-plus::after{background:var(--accent);}
.faq-a{
  padding:16px 20px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);
  background:var(--surface);border:1px solid var(--line);border-top:0;
  border-radius:0 0 14px 14px;margin-top:-8px;
}
.faq-a p + p{margin-top:10px;}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:40px;display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--sh);
}
.cta-band h2{font-size:26px;font-weight:700;color:var(--brand);line-height:1.4;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--ink-2);line-height:1.8;max-width:640px;}
.cta-band .cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;}
.cta-band .cta-actions .hint{font-size:13px;color:var(--ink-3);line-height:1.7;text-align:center;}

/* ---------- 隐私带 ---------- */
.privacy-band{background:var(--surface-2);padding:28px 0;}
.privacy-inner{max-width:760px;font-size:14px;line-height:1.8;color:var(--ink-2);}
.privacy-inner strong{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand);color:#EFEAF6;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-text .b1{font-size:20px;font-weight:700;color:#fff;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:rgba(239,234,246,.66);max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:rgba(239,234,246,.70);}
.footer-links a:hover{color:var(--mint);}
.footer-contact p{font-size:14px;line-height:1.9;color:rgba(239,234,246,.66);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(239,234,246,.52);
}

/* ---------- 表单 / 弹层 ---------- */
.modal-content{
  border:0;border-radius:16px;background:var(--surface);
  box-shadow:0 30px 70px -30px rgba(36,28,60,.55);
}
.modal-body{padding:28px 28px 24px;}
.modal-x{
  position:absolute;top:14px;right:14px;
  width:34px;height:34px;border:0;border-radius:10px;
  background:var(--surface-2);color:var(--brand-2);
  font-size:19px;line-height:1;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:background .2s ease,color .2s ease;
}
.modal-x:hover{background:var(--brand);color:#fff;}
.modal-title-cn{font-size:20px;font-weight:600;color:var(--brand);}
.modal-sub{margin-top:8px;font-size:14px;color:var(--ink-2);line-height:1.7;}
.form-label{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.form-control,.form-select{
  height:46px;border:1px solid var(--line);border-radius:10px;
  padding:12px 14px;font-size:15px;color:var(--ink);background:#fff;
  box-shadow:none;
}
textarea.form-control{height:auto;min-height:96px;resize:vertical;}
.form-control:focus,.form-select:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,107,61,.18);
  outline:none;
}
.form-control::placeholder{color:var(--ink-3);}
.form-note{margin-top:12px;font-size:12px;line-height:1.7;color:var(--ink-3);}
.form-note a{color:var(--brand-3);text-decoration:underline;}
.form-error{display:none;font-size:12px;color:#D64545;margin-top:6px;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sidebar-w:208px;}
  .side-link{font-size:13px;}
  .hero-cat h1{font-size:34px;}
  .split{grid-template-columns:1.4fr 1fr;gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .app-sidebar{display:none;}
  .app-main{margin-left:0;padding-top:60px;}
  .mobile-bar{display:flex;}
  .container-main{padding:0 20px;}
  .section{padding:56px 0;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-cat{padding:24px 0 40px;}
  .hero-cat h1{font-size:30px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .sticky-side{position:static;}
  .stat-panel{grid-template-columns:1fr 1fr;gap:24px;padding:32px;}
  .cta-band{grid-template-columns:1fr;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .hero-cat h1{font-size:28px;line-height:1.3;}
  .section-head h2{font-size:22px;}
  .check-grid{grid-template-columns:1fr;}
  .check-grid .panel:nth-child(2),
  .check-grid .panel:nth-child(3){transform:none;}
  .check-grid .panel:nth-child(2):hover,
  .check-grid .panel:nth-child(3):hover{transform:translateY(-4px);}
  .stat-panel{grid-template-columns:1fr;padding:28px;}
  .stat-item .num{font-size:30px;}
  .hero-figure .badge-float{right:12px;bottom:12px;padding:8px 12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .tl-item h3{font-size:18px;}
  .cta-band h2{font-size:22px;}
}
@media (max-width:575.98px){
  .container-main{padding:0 16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%;}
  .modal-body{padding:24px 18px 20px;}
  .faq-q{font-size:16px;padding:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:48px 0;}
}

/* roulang page: category2 */
:root{
  --brand:#241C3C;
  --brand-2:#3A2F5B;
  --brand-3:#6B5E90;
  --accent:#FF6B3D;
  --accent-dark:#E85A2C;
  --mint:#2FD4B4;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --ink:#1C1826;
  --ink-2:#5B5566;
  --ink-3:#8A8496;
  --line:#E2DBD0;
  --focus:#FF6B3D;
  --danger:#D64545;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-sm:0 1px 2px rgba(28,24,38,.05), 0 10px 26px -18px rgba(36,28,60,.28);
  --shadow-hover:0 14px 34px -16px rgba(36,28,60,.34);
  --sidebar-w:248px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--brand);font-weight:700;}
h1{font-size:40px;line-height:1.25;letter-spacing:-.5px;}
h2{font-size:28px;line-height:1.35;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;color:var(--ink-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
}
.container-main{width:100%;max-width:1180px;margin:0 auto;padding:0 32px;}

/* ============ 侧栏 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--brand);color:#EFEAF6;
  display:flex;flex-direction:column;
  padding:24px 18px 20px;
  z-index:1040;overflow-y:auto;
}
.logo{
  display:flex;align-items:center;gap:10px;
  padding-bottom:24px;margin-bottom:20px;
  border-bottom:1px solid rgba(255,255,255,.08);
  text-decoration:none;
}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--accent);
  display:grid;grid-template-columns:1fr 1fr;gap:3px;padding:6px;flex:none;
}
.logo-mark i{display:block;background:rgba(255,255,255,.92);border-radius:1px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text .l1{font-size:22px;font-weight:700;color:var(--accent);letter-spacing:0;}
.logo-text .l2{font-size:13px;color:rgba(239,234,246,.82);letter-spacing:.5px;}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-nav-label{
  font-size:12px;letter-spacing:1px;color:rgba(239,234,246,.42);
  padding:0 12px;margin-bottom:8px;
}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 12px;border-radius:10px;
  color:rgba(239,234,246,.72);font-size:15px;
  transition:background .18s ease,color .18s ease;
}
.side-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--accent);border-radius:2px;
  transition:height .18s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff;}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;}
.side-link.active::before{height:20px;}
.side-dot{
  width:6px;height:6px;border-radius:50%;
  background:rgba(255,255,255,.28);flex:none;transition:background .18s ease;
}
.side-link.active .side-dot{background:var(--mint);}
.side-link:hover .side-dot{background:var(--accent);}
.side-foot{
  margin-top:auto;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;line-height:1.7;color:rgba(239,234,246,.52);
}
.side-foot strong{display:block;color:rgba(239,234,246,.86);font-weight:600;margin-bottom:6px;font-size:13px;}
.side-foot a{color:rgba(239,234,246,.72);}
.side-foot a:hover{color:var(--mint);}

/* ============ 移动顶栏 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--surface);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;z-index:1030;
}
.mobile-logo{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--brand);}
.mobile-logo .logo-mark{width:24px;height:24px;border-radius:7px;padding:5px;gap:2px;}
.hamburger{
  width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;padding:0;
  cursor:pointer;transition:border-color .18s ease;
}
.hamburger:hover{border-color:var(--brand);}
.hamburger span{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;}
.drawer{background:var(--brand);color:#EFEAF6;width:286px;}
.drawer .offcanvas-header{padding:20px 18px 10px;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer .offcanvas-title{color:#fff;font-size:17px;font-weight:700;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.7;}
.drawer .offcanvas-body{padding:18px 16px 24px;display:flex;flex-direction:column;}
.drawer .side-link{height:46px;}
.drawer-cta{margin-top:auto;padding-top:20px;}

/* ============ 主区域 ============ */
.shell{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.page-main{flex:1 0 auto;}
.crumb{
  padding:28px 0 0;font-size:13px;color:var(--ink-3);
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--line);}

/* ============ Hero ============ */
.hero{padding:28px 0 72px;}
.hero-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:56px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;padding:4px 12px;border-radius:999px;
  background:var(--surface-2);color:var(--brand-3);
}
.pill-accent{background:rgba(255,107,61,.12);color:var(--accent);}
.pill-mint{background:rgba(47,212,180,.14);color:#178f79;}
.hero h1{margin:20px 0 18px;}
.hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;}
.hero-meta{
  display:flex;gap:28px;flex-wrap:wrap;
  margin-top:32px;padding-top:22px;border-top:1px solid var(--line);
}
.hero-meta div{font-size:13px;color:var(--ink-3);line-height:1.6;}
.hero-meta b{display:block;font-size:20px;color:var(--brand);font-weight:700;letter-spacing:-.3px;}
.hero-visual{
  position:relative;border-radius:20px;overflow:hidden;
  aspect-ratio:16/10;background:var(--surface-2);box-shadow:var(--shadow-sm);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-badge{
  position:absolute;right:16px;bottom:16px;
  background:var(--brand);color:#fff;border-radius:10px;
  padding:10px 16px;font-size:13px;line-height:1.5;
  box-shadow:0 8px 22px -12px rgba(0,0,0,.6);
}
.hero-badge b{display:block;font-size:20px;color:var(--mint);font-weight:700;}

/* ============ 按钮 ============ */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;border:1px solid transparent;
  cursor:pointer;transition:transform .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
}
.btn-x-primary{background:var(--accent);color:#fff;}
.btn-x-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);}
.btn-x-ghost{background:transparent;border-color:var(--line);color:var(--brand);}
.btn-x-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-x-sm{height:42px;padding:0 18px;font-size:14px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14px;font-weight:500;
}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover{color:var(--accent-dark);}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section-alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{margin:14px 0 12px;}
.section-head p{font-size:15px;color:var(--ink-2);max-width:700px;}

/* ============ 要点卡 2×2 ============ */
.risk-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:24px;align-items:start;
}
.risk-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.risk-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5CCBE;}
.risk-card:nth-child(2){margin-top:34px;}
.risk-card:nth-child(4){margin-top:34px;}
.risk-card h3{margin:14px 0 10px;font-size:19px;}
.risk-card p{font-size:15px;line-height:1.8;margin:0;}
.risk-num{
  font-size:13px;font-weight:700;color:var(--mint);
  letter-spacing:1px;font-variant-numeric:tabular-nums;
}
.risk-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}

/* ============ 对比表 ============ */
.compare-wrap{display:grid;grid-template-columns:1fr 1.7fr;gap:48px;align-items:start;}
.compare-note{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);}
.compare-note h3{font-size:18px;margin-bottom:12px;}
.compare-note ul{list-style:none;}
.compare-note li{
  position:relative;padding-left:22px;font-size:14px;
  color:var(--ink-2);line-height:1.8;margin-bottom:10px;
}
.compare-note li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:50%;background:var(--mint);
}
.cmp-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-sm);
}
.cmp-table th{
  background:var(--brand);color:#fff;font-weight:600;font-size:15px;
  padding:16px 20px;text-align:left;
}
.cmp-table td{
  padding:16px 20px;font-size:15px;color:var(--ink-2);
  border-top:1px solid var(--line);line-height:1.75;
}
.cmp-table td:first-child{color:var(--ink);font-weight:600;width:34%;}
.cmp-table tbody tr:nth-child(even){background:#FAF7F2;}

/* ============ 步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px;}
.step{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 20px;
  position:relative;transition:transform .22s ease,box-shadow .22s ease;
}
.step::after{
  content:"";position:absolute;left:24px;right:24px;top:0;height:3px;
  background:var(--surface-2);border-radius:0 0 3px 3px;
  transition:background .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step:hover::after{background:var(--accent);}
.step-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:50%;
  background:rgba(255,107,61,.12);color:var(--accent);
  font-size:14px;font-weight:700;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;line-height:1.75;margin:0;}

/* ============ 自查清单 ============ */
.split{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.check-list{list-style:none;}
.check-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:18px 16px;border-bottom:1px solid var(--line);
  border-left:3px solid transparent;
  transition:transform .18s ease,background .18s ease,border-color .18s ease;
}
.check-item:first-child{border-top:1px solid var(--line);}
.check-item:hover{
  background:var(--surface-2);border-left-color:var(--accent);
  transform:translateX(4px);
}
.check-num{
  font-size:13px;font-weight:700;color:var(--mint);
  font-variant-numeric:tabular-nums;line-height:1.9;flex:none;
}
.check-item:hover .check-num{color:var(--accent);}
.check-body strong{display:block;font-size:17px;color:var(--ink);font-weight:600;line-height:1.6;}
.check-body span{display:block;font-size:14px;color:var(--ink-2);line-height:1.7;margin-top:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card) !important;
  background:var(--surface);margin-bottom:12px;overflow:hidden;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-header{margin:0;}
.accordion-button{
  position:relative;width:100%;padding:18px 56px 18px 20px;
  font-size:16px;font-weight:600;color:var(--ink);
  background:var(--surface);box-shadow:none;
  border-left:3px solid transparent;
}
.accordion-button:not(.collapsed){
  background:var(--surface);color:var(--brand);
  border-left-color:var(--accent);box-shadow:none;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--focus);outline-offset:-2px;}
.accordion-button::before,
.accordion-button::after{
  content:"";position:absolute;right:24px;top:50%;
  background:var(--brand-3);border-radius:2px;
  transition:transform .22s ease,background .22s ease;
  display:block;margin:0;width:12px;height:2px;
}
.accordion-button::before{transform:translateY(-50%);}
.accordion-button::after{
  width:2px;height:12px;transform:translateY(-50%) rotate(0deg);
  background-image:none;
}
.accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);}
.accordion-button:not(.collapsed)::before{background:var(--accent);}
.accordion-body{padding:0 24px 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ============ CTA 横幅 ============ */
.cta-section{padding:0 0 80px;}
.cta-inner{
  position:relative;overflow:hidden;border-radius:20px;
  padding:48px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.26;
}
.cta-inner > *{position:relative;z-index:1;}
.cta-inner h2{color:#fff;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;max-width:560px;margin:0;}

/* ============ 隐私说明带 ============ */
.privacy-band{
  background:var(--surface-2);padding:28px 0;
  border-top:1px solid var(--line);
}
.privacy-band p{
  max-width:760px;font-size:14px;line-height:1.8;
  color:var(--ink-2);margin:0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand);color:#EFEAF6;
  padding:64px 0 28px;margin-top:auto;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand-text .b1{font-size:18px;font-weight:700;color:#fff;letter-spacing:.2px;}
.footer-brand p{
  color:rgba(239,234,246,.66);font-size:14px;line-height:1.8;
  margin:14px 0 0;max-width:340px;
}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(239,234,246,.72);font-size:14px;}
.footer-links a:hover{color:var(--mint);}
.footer-contact p{color:rgba(239,234,246,.66);font-size:13px;line-height:1.9;margin:0;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(239,234,246,.55);
}

/* ============ 弹层与表单 ============ */
.lead-modal{
  position:relative;border:none;border-radius:16px;
  padding:32px;background:var(--surface);
  box-shadow:0 30px 70px -30px rgba(28,24,38,.5);
}
.lead-modal h3{font-size:20px;font-weight:600;margin-bottom:8px;}
.modal-sub{font-size:14px;color:var(--ink-2);margin-bottom:22px;line-height:1.75;}
.modal-close{
  position:absolute;top:14px;right:14px;width:34px;height:34px;
  border:none;background:transparent;border-radius:8px;cursor:pointer;padding:0;
  transition:background .18s ease;
}
.modal-close:hover{background:var(--surface-2);}
.modal-close::before,.modal-close::after{
  content:"";position:absolute;left:50%;top:50%;
  width:16px;height:2px;background:var(--ink-3);border-radius:2px;
  transition:background .18s ease;
}
.modal-close::before{transform:translate(-50%,-50%) rotate(45deg);}
.modal-close::after{transform:translate(-50%,-50%) rotate(-45deg);}
.modal-close:hover::before,.modal-close:hover::after{background:var(--accent);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;min-height:46px;padding:12px 14px;
  border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);
  outline:2px solid var(--accent);outline-offset:2px;
}
.form-note{font-size:12px;color:var(--ink-3);line-height:1.7;margin-top:14px;}
.form-note a{color:var(--brand-3);text-decoration:underline;}
.form-done{
  margin-top:14px;padding:12px 14px;border-radius:10px;
  background:rgba(47,212,180,.12);color:#178f79;font-size:14px;
}
.inline-form-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-sm);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sidebar-w:208px;}
  .side-link{font-size:14px;}
  .logo-text .l1{font-size:20px;}
  .hero-grid{gap:36px;}
  .compare-wrap{grid-template-columns:1fr;gap:28px;}
  .split{gap:36px;}
}
@media (max-width:991px){
  .sidebar{display:none;}
  .mobile-bar{display:flex;}
  .shell{margin-left:0;padding-top:60px;}
  h1{font-size:32px;}
  .hero{padding:20px 0 56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{order:2;aspect-ratio:16/10;}
  .section{padding:60px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .risk-grid{grid-template-columns:1fr;}
  .risk-card:nth-child(2),.risk-card:nth-child(4){margin-top:0;}
  .split{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:36px;}
}
@media (max-width:767px){
  h1{font-size:28px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .container-main{padding:0 16px;}
  .section{padding:48px 0;}
  .hero-meta{gap:20px;}
  .hero-meta b{font-size:18px;}
  .cmp-table td,.cmp-table th{padding:12px 14px;font-size:14px;}
  .compare-table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
  .compare-table-scroll .cmp-table{min-width:440px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .lead-modal{padding:24px;}
}
@media (max-width:575px){
  .hero-actions{flex-direction:column;}
  .btn-x{width:100%;}
  .cta-inner .btn-x{width:100%;}
  .steps{grid-template-columns:1fr;}
  .hero-visual{aspect-ratio:4/3;}
  .section-head{margin-bottom:28px;}
}

/* roulang page: category3 */
:root{
  --brand:#241C3C;
  --brand-2:#3A2F5B;
  --brand-3:#6B5E90;
  --accent:#FF6B3D;
  --accent-dark:#E85A2C;
  --mint:#2FD4B4;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --ink:#1C1826;
  --ink-2:#5B5566;
  --ink-3:#8A8496;
  --line:#E2DBD0;
  --focus:#FF6B3D;
  --danger:#D64545;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow:0 1px 2px rgba(28,24,38,.05),0 10px 26px -18px rgba(36,28,60,.28);
  --shadow-hover:0 14px 34px -16px rgba(36,28,60,.34);
  --sidebar-w:248px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
img{max-width:100%;display:block;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:rgba(255,107,61,.22);color:var(--brand);}

/* 布局骨架 */
.container-main{max-width:1180px;margin:0 auto;padding:0 32px;}
.main-wrap{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  background:var(--bg);
}
.section{padding:56px 0;}
.section-alt{padding:64px 0;}

/* 侧栏导航 */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--brand);
  color:#EFEAF6;
  padding:24px 18px 22px;
  overflow-y:auto;
  z-index:1030;
  display:flex;
  flex-direction:column;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:24px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:20px;
}
.brand-mark{
  width:28px;height:28px;flex:0 0 28px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px;
}
.brand-mark i{display:block;border-radius:2px;background:rgba(255,255,255,.32);}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(9){background:var(--accent);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text .b1{font-size:22px;font-weight:700;color:#FFFFFF;letter-spacing:0;}
.brand-text .b2{font-size:13px;color:rgba(236,231,246,.62);margin-top:3px;}
.side-nav{display:flex;flex-direction:column;gap:4px;}
.side-nav-label{
  display:block;
  font-size:12px;
  color:rgba(236,231,246,.42);
  padding:0 12px 10px;
  letter-spacing:.04em;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:14px;
  color:rgba(236,231,246,.74);
  transition:background .18s ease,color .18s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#FFFFFF;}
.side-link.active{background:rgba(255,255,255,.10);color:#FFFFFF;}
.side-link.active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.side-dot{
  width:5px;height:5px;flex:0 0 5px;
  border-radius:50%;
  background:rgba(255,255,255,.28);
}
.side-link.active .side-dot{background:var(--accent);}
.sidebar-foot{
  margin-top:auto;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  line-height:1.7;
  color:rgba(236,231,246,.52);
}
.sidebar-foot a{color:rgba(236,231,246,.82);}
.sidebar-foot a:hover{color:var(--mint);}

/* 移动端顶栏 */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  z-index:1035;
}
.mobile-brand{display:flex;align-items:center;gap:8px;}
.mobile-brand .brand-mark{width:24px;height:24px;flex:0 0 24px;}
.mobile-brand .brand-mark i{background:var(--brand-3);}
.mobile-brand .brand-mark i:nth-child(1),
.mobile-brand .brand-mark i:nth-child(5),
.mobile-brand .brand-mark i:nth-child(9){background:var(--accent);}
.mobile-brand .m-text{font-size:17px;font-weight:700;color:var(--brand);}
.burger{
  width:42px;height:42px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  cursor:pointer;
}
.burger span{width:18px;height:2px;border-radius:2px;background:var(--brand);}

/* 抽屉 */
.offcanvas-drawer{
  background:var(--brand);
  color:#EFEAF6;
  width:300px;
}
.offcanvas-drawer .offcanvas-header{
  padding:20px 20px 18px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.offcanvas-drawer .offcanvas-body{padding:20px;display:flex;flex-direction:column;}
.drawer-foot{margin-top:auto;padding-top:20px;}
.close-x{
  width:34px;height:34px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:9px;
  background:transparent;
  position:relative;
  cursor:pointer;
}
.close-x::before,.close-x::after{
  content:"";
  position:absolute;
  left:9px;top:16px;
  width:16px;height:1.6px;
  background:rgba(255,255,255,.82);
  border-radius:2px;
}
.close-x::before{transform:rotate(45deg);}
.close-x::after{transform:rotate(-45deg);}

/* 页面首屏 */
.page-hero{padding:56px 0 40px;}
.hero-grid{
  display:grid;
  grid-template-columns:1.45fr 1fr;
  gap:40px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--brand-3);
  font-size:14px;
}
.eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--mint);
}
h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--brand);
  margin:18px 0 16px;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:600px;
}
.hero-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:28px;
}
.btn-primary-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:none;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:#FFFFFF;
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary-c:hover{background:var(--accent-dark);transform:translateY(-1px);color:#FFFFFF;}
.btn-primary-c:active{transform:translateY(0);}
.btn-ghost-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:transparent;
  color:var(--brand);
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease,color .18s ease;
}
.btn-ghost-c:hover{border-color:var(--brand);background:rgba(36,28,60,.04);color:var(--brand);}
.w-full{width:100%;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:32px;
  margin-top:32px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-meta li strong{
  display:block;
  font-size:20px;
  font-weight:700;
  color:var(--brand);
  line-height:1.4;
}
.hero-meta li span{font-size:13px;color:var(--ink-3);}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--shadow);
}
.hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.media-badge{
  position:absolute;
  right:16px;bottom:16px;
  background:var(--brand);
  color:#FFFFFF;
  font-size:13px;
  line-height:1.4;
  padding:8px 14px;
  border-radius:10px;
}

/* 问答布局 */
.qa-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 264px;
  gap:44px;
  align-items:start;
}
.group-title{
  position:relative;
  padding-left:14px;
  font-size:22px;
  font-weight:700;
  color:var(--brand);
  line-height:1.4;
}
.group-title::before{
  content:"";
  position:absolute;
  left:0;top:5px;bottom:5px;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.group-desc{
  margin:10px 0 22px 14px;
  font-size:14px;
  color:var(--ink-3);
}
.faq-group + .faq-group{margin-top:52px;}
.faq-group{scroll-margin-top:88px;}

/* 手风琴 */
.faq-acc .accordion-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  margin-bottom:12px;
  transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.faq-acc .accordion-item:hover{
  box-shadow:var(--shadow-hover);
  transform:translateY(-2px);
  border-color:#D6CEC0;
}
.faq-acc .accordion-button{
  display:flex;
  align-items:center;
  gap:12px;
  width:100%;
  padding:18px 20px;
  background:var(--surface);
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  border:none;
  border-radius:var(--r-card);
  box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand);
  background:var(--surface);
  box-shadow:inset 3px 0 0 var(--accent);
}
.faq-acc .accordion-button:focus{
  box-shadow:inset 3px 0 0 var(--accent),0 0 0 2px rgba(255,107,61,.28);
  border-color:transparent;
}
.faq-acc .accordion-button::after{display:none;}
.faq-acc .accordion-body{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.faq-acc .accordion-body p{margin-bottom:10px;}
.faq-acc .accordion-body p:last-child{margin-bottom:0;}
.faq-sign{
  position:relative;
  width:16px;height:16px;
  flex:0 0 16px;
  margin-left:auto;
}
.faq-sign::before,.faq-sign::after{
  content:"";
  position:absolute;
  background:var(--brand-3);
  border-radius:2px;
  transition:transform .2s ease,background .2s ease,opacity .2s ease;
}
.faq-sign::before{left:0;top:7px;width:16px;height:2px;}
.faq-sign::after{left:7px;top:0;width:2px;height:16px;}
.accordion-button:not(.collapsed) .faq-sign::before{background:var(--accent);}
.accordion-button:not(.collapsed) .faq-sign::after{transform:rotate(90deg);opacity:0;}

/* 锚点侧栏 */
.qa-aside{position:relative;}
.anchor-card{
  position:sticky;
  top:88px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  box-shadow:var(--shadow);
}
.anchor-title{
  font-size:13px;
  font-weight:600;
  color:var(--ink-3);
  padding-bottom:12px;
  margin-bottom:8px;
  border-bottom:1px solid var(--line);
}
.anchor-card a{
  position:relative;
  display:block;
  padding:8px 10px;
  border-radius:8px;
  font-size:14px;
  color:var(--ink-2);
  transition:background .18s ease,color .18s ease,padding-left .18s ease;
}
.anchor-card a::before{
  content:"";
  position:absolute;
  left:0;top:9px;bottom:9px;
  width:3px;
  border-radius:2px;
  background:var(--accent);
  opacity:0;
  transition:opacity .18s ease;
}
.anchor-card a:hover{background:var(--surface-2);color:var(--brand);padding-left:16px;}
.anchor-card a:hover::before{opacity:1;}

/* 提示说明列表 */
.hint-wrap{scroll-margin-top:88px;}
.hint-list{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.hint-row{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.hint-row:last-child{border-bottom:none;}
.hint-row:hover{background:var(--surface-2);}
.hint-num{
  font-size:13px;
  font-weight:700;
  color:var(--mint);
  letter-spacing:.06em;
  line-height:1.9;
}
.hint-row strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:4px;
}
.hint-row p{font-size:14px;line-height:1.8;color:var(--ink-2);}

/* 深色准备面板 */
.panel-dark{
  background:var(--brand);
  border-radius:16px;
  padding:40px;
  color:#FFFFFF;
}
.panel-dark h2{
  font-size:26px;
  font-weight:700;
  line-height:1.35;
  color:#FFFFFF;
}
.panel-dark .panel-lead{
  margin-top:12px;
  font-size:15px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
  max-width:640px;
}
.prep-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:32px;
}
.prep-item{
  border-top:1px solid rgba(255,255,255,.16);
  padding-top:18px;
}
.prep-item .num{
  font-size:13px;
  font-weight:600;
  color:var(--mint);
  letter-spacing:.06em;
}
.prep-item h3{
  font-size:17px;
  font-weight:600;
  color:#FFFFFF;
  margin:8px 0 6px;
  line-height:1.5;
}
.prep-item p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
}

/* CTA 区 */
.cta-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:20px;
  padding:40px;
  box-shadow:var(--shadow);
}
.cta-card h2{
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  line-height:1.35;
}
.cta-card p{
  margin-top:10px;
  font-size:15px;
  color:var(--ink-2);
  max-width:560px;
}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 隐私说明带 */
.privacy-band{
  background:var(--surface-2);
  padding:34px 0;
}
.privacy-band p{
  max-width:760px;
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}
.privacy-band strong{color:var(--brand);font-weight:600;}

/* 页脚 */
.site-footer{
  background:var(--brand);
  color:#EFEAF6;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:32px;
}
.footer-brand .b1{
  font-size:20px;
  font-weight:700;
  color:#FFFFFF;
}
.footer-brand p{
  margin-top:14px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:320px;
}
.footer-title{
  font-size:13px;
  color:rgba(255,255,255,.5);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-links a{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:#D9D2E8;
}
.footer-links a:hover{color:var(--mint);}
.footer-contact p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.62);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* 弹层 */
.modal-content{
  border:none;
  border-radius:16px;
  box-shadow:0 24px 60px -24px rgba(36,28,60,.5);
}
.modal-header{
  padding:22px 24px 18px;
  border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.modal-title{
  font-size:20px;
  font-weight:600;
  color:var(--brand);
  line-height:1.4;
}
.modal-sub{
  margin-top:6px;
  font-size:14px;
  color:var(--ink-2);
}
.modal-body{padding:24px;}
.field{margin-bottom:18px;}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
}
.form-control-c{
  width:100%;
  height:46px;
  padding:12px 14px;
  font-size:15px;
  color:var(--ink);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
  -webkit-appearance:none;
  appearance:none;
}
textarea.form-control-c{
  height:auto;
  min-height:96px;
  resize:vertical;
  line-height:1.7;
}
.form-control-c:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,107,61,.18);
}
.form-control-c::placeholder{color:var(--ink-3);}
.modal-close{
  width:34px;height:34px;
  flex:0 0 34px;
  border:1px solid var(--line);
  border-radius:9px;
  background:var(--surface);
  position:relative;
  cursor:pointer;
  transition:border-color .18s ease,background .18s ease;
}
.modal-close:hover{border-color:var(--brand-3);background:var(--surface-2);}
.modal-close::before,.modal-close::after{
  content:"";
  position:absolute;
  left:9px;top:16px;
  width:15px;height:1.6px;
  background:var(--brand);
  border-radius:2px;
}
.modal-close::before{transform:rotate(45deg);}
.modal-close::after{transform:rotate(-45deg);}
.modal-note{
  margin-top:14px;
  font-size:12px;
  line-height:1.7;
  color:var(--ink-3);
}
.modal-note a{color:var(--brand-3);text-decoration:underline;}
.form-tip{
  margin-top:14px;
  font-size:13px;
  color:var(--mint);
  font-weight:600;
  min-height:18px;
}

/* 响应式 */
@media (max-width:1199px){
  .sidebar{width:208px;padding:22px 14px 20px;}
  .main-wrap{margin-left:208px;}
  .side-link{font-size:13.5px;}
  h1{font-size:34px;}
  .qa-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .anchor-card{position:static;}
  .qa-aside{order:2;}
}
@media (max-width:991px){
  .sidebar{display:none;}
  .main-wrap{margin-left:0;padding-top:60px;}
  .mobile-bar{display:flex;}
  .page-hero{padding:40px 0 32px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media img{aspect-ratio:16/9;}
  .container-main{padding:0 20px;}
  .section{padding:48px 0;}
  .section-alt{padding:48px 0;}
  .panel-dark{padding:32px;}
  .cta-card{padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .hero-meta{gap:20px;}
  .hero-meta li strong{font-size:18px;}
  .group-title{font-size:20px;}
  .prep-grid{grid-template-columns:1fr;gap:18px;}
  .panel-dark{padding:26px;}
  .panel-dark h2{font-size:22px;}
  .cta-card{padding:26px;}
  .cta-card h2{font-size:22px;}
  .faq-acc .accordion-button{font-size:15px;padding:16px 16px;}
  .faq-acc .accordion-body{padding:0 16px 18px;font-size:14.5px;}
  .hint-row{grid-template-columns:1fr;gap:6px;padding:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
}
@media (max-width:575px){
  .container-main{padding:0 16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-primary-c,
  .hero-actions .btn-ghost-c{width:100%;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn-primary-c,
  .cta-actions .btn-ghost-c{width:100%;}
  .hero-meta{gap:16px;}
  .modal-body{padding:20px;}
  .modal-header{padding:18px 20px 14px;}
}

/* roulang page: category4 */
:root{
  --brand:#241C3C;
  --brand-2:#3A2F5B;
  --brand-3:#6B5E90;
  --accent:#FF6B3D;
  --accent-dark:#F0552A;
  --mint:#2FD4B4;
  --bg:#F7F4EF;
  --surface:#FFFFFF;
  --surface-2:#EFEAE2;
  --ink:#1C1826;
  --ink-2:#5B5566;
  --ink-3:#8A8496;
  --line:#E2DBD0;
  --focus:#FF6B3D;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:16px;
  --shadow-1:0 1px 2px rgba(28,24,38,.05), 0 10px 26px -18px rgba(36,28,60,.28);
  --shadow-2:0 14px 34px -16px rgba(36,28,60,.34);
  --sidebar-w:248px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--focus);
  outline-offset:2px;
}
.container-main{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 侧栏 ============ */
.side-shell{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--brand);
  color:#EFEAF6;
  display:flex;
  flex-direction:column;
  padding:24px 16px 20px;
  z-index:1030;
}
.side-brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding-bottom:24px;
  border-bottom:1px solid rgba(255,255,255,.08);
  margin-bottom:18px;
}
.logo-mark{
  position:relative;
  width:28px;height:28px;
  border-radius:8px;
  background:rgba(255,255,255,.10);
  flex:none;
}
.logo-mark::before{
  content:"";
  position:absolute;
  inset:7px;
  border-radius:2px;
  background-image:radial-gradient(circle, var(--accent) 1.6px, transparent 1.8px);
  background-size:7px 7px;
  background-position:0 0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text .l1{font-size:22px;font-weight:700;color:#fff}
.logo-text .l2{font-size:13px;color:rgba(239,234,246,.72)}
.side-nav{
  display:flex;
  flex-direction:column;
  gap:4px;
  flex:1 1 auto;
  overflow-y:auto;
}
.side-nav-label{
  font-size:12px;
  color:rgba(239,234,246,.45);
  padding:8px 12px 6px;
}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 12px;
  border-radius:10px;
  font-size:15px;
  color:rgba(239,234,246,.72);
  transition:background .18s ease,color .18s ease;
}
.side-dot{
  width:6px;height:6px;border-radius:50%;
  background:rgba(239,234,246,.32);
  flex:none;
  transition:background .18s ease;
}
.side-link:hover{background:rgba(255,255,255,.07);color:#fff}
.side-link.active{background:rgba(255,255,255,.10);color:#fff;font-weight:600}
.side-link.active::before{
  content:"";
  position:absolute;
  left:0;top:10px;bottom:10px;
  width:3px;border-radius:3px;
  background:var(--accent);
}
.side-link.active .side-dot{background:var(--accent)}
.side-foot{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
  line-height:1.75;
  color:rgba(239,234,246,.62);
}
.side-foot a{color:rgba(239,234,246,.88);border-bottom:1px solid rgba(255,255,255,.22)}
.side-foot a:hover{color:var(--mint);border-color:var(--mint)}

/* ============ 移动顶栏 ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  background:#fff;
  border-bottom:1px solid var(--line);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  z-index:1030;
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--brand)}
.topbar .logo-mark{background:var(--brand);width:26px;height:26px}
.topbar .logo-mark::before{inset:6px}
.hamburger{
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:4px;
  cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand)}
.hamburger:hover{border-color:var(--brand)}
.drawer{background:var(--brand);color:#EFEAF6;width:290px !important}
.drawer .offcanvas-header{
  border-bottom:1px solid rgba(255,255,255,.10);
  padding:20px 18px;
  align-items:center;
}
.drawer .offcanvas-body{display:flex;flex-direction:column;padding:18px 16px 24px}
.drawer-close{
  width:36px;height:36px;
  border-radius:9px;
  border:1px solid rgba(255,255,255,.22);
  background:transparent;
  color:#fff;
  font-size:20px;
  line-height:1;
  cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.10)}
.drawer-cta{width:100%;margin-top:18px}
.drawer .side-nav{flex:0 0 auto;overflow:visible}

/* ============ 主体 ============ */
.main-wrap{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{flex:1 1 auto}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
  padding:26px 0 0;
}
.crumbs a{color:var(--ink-3)}
.crumbs a:hover{color:var(--accent)}
.crumb-sep{color:var(--ink-3);opacity:.7}
.crumbs [aria-current]{color:var(--brand);font-weight:600}

/* ============ Hero ============ */
.page-hero{padding:28px 0 0}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:44px;
  align-items:center;
}
.eyebrow{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--brand-3);
  font-size:14px;
  line-height:1.6;
}
h1{
  font-size:40px;
  line-height:1.25;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--brand);
  margin:16px 0 14px;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:560px;
}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--radius-btn);
  background:var(--accent);
  border:1px solid var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:500;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-main:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-main:active{transform:translateY(0)}
.btn-ghost2{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:transparent;
  color:var(--brand);
  font-size:15px;
  font-weight:500;
  transition:border-color .2s ease,background .2s ease;
}
.btn-ghost2:hover{border-color:var(--brand);background:rgba(36,28,60,.04);color:var(--brand)}
.hero-figure{
  border-radius:20px;
  overflow:hidden;
  height:340px;
  box-shadow:var(--shadow-1);
  background:var(--surface-2);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.metrics{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:56px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.metric-num{
  font-size:clamp(22px,3.1vw,34px);
  font-weight:700;
  line-height:1.2;
  color:var(--mint);
  white-space:nowrap;
}
.metric-label{
  font-size:13px;
  color:var(--ink-3);
  margin-top:6px;
  line-height:1.75;
}

/* ============ 板块通用 ============ */
.section{padding:88px 0}
.section-alt{background:var(--surface-2)}
.section-head{max-width:760px;margin-bottom:38px}
.section-kicker{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--accent);
  margin-bottom:10px;
}
h2{
  font-size:28px;
  line-height:1.35;
  font-weight:700;
  color:var(--brand);
}
.section-sub{
  font-size:15px;
  color:var(--ink-2);
  margin-top:10px;
  max-width:760px;
}

/* ============ 服务能力瀑布卡 ============ */
.masonry{
  columns:2;
  column-gap:24px;
}
.service-card{
  break-inside:avoid;
  margin:0 0 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6CEC1}
.card-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  margin-bottom:18px;
  background:var(--surface-2);
  aspect-ratio:16/10;
}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:var(--surface-2);
  color:var(--brand-3);
  font-size:14px;
  line-height:1.6;
}
.service-card h3{
  font-size:20px;
  line-height:1.45;
  font-weight:600;
  color:var(--brand);
  margin:12px 0 8px;
}
.card-text{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}
.card-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:14px;
  font-size:15px;
  font-weight:500;
  color:var(--accent);
}
.card-link .arrow{transition:transform .2s ease}
.card-link:hover .arrow{transform:translateX(4px)}
.card-link:hover{color:var(--accent-dark)}

/* ============ 表单板块 ============ */
.form-grid{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:48px;
  align-items:start;
}
.form-grid p{font-size:15px;color:var(--ink-2);margin-top:12px;max-width:480px}
.check-list{margin-top:24px;display:flex;flex-direction:column;gap:0}
.check-list li{
  position:relative;
  padding:14px 0 14px 26px;
  font-size:15px;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  transition:padding-left .18s ease;
}
.check-list li:last-child{border-bottom:1px solid var(--line)}
.check-list li::before{
  content:"";
  position:absolute;
  left:6px;top:24px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--mint);
}
.check-list li:hover{padding-left:30px}
.form-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:28px;
  box-shadow:var(--shadow-1);
}
.form-card h3{
  font-size:20px;
  font-weight:600;
  color:var(--brand);
  margin-bottom:6px;
}
.form-card .form-hint{font-size:14px;color:var(--ink-3);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  min-height:46px;
  padding:12px 14px;
  font-size:15px;
  font-family:inherit;
  color:var(--ink);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.8}
.field input::placeholder,
.field textarea::placeholder{color:#A9A3B4}
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(255,107,61,.18);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-submit{width:100%;margin-top:4px}
.form-note{
  font-size:12px;
  line-height:1.75;
  color:var(--ink-3);
  margin-top:12px;
}
.form-note strong{color:var(--mint);font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px}
.accordion{--bs-accordion-border-color:var(--line);--bs-accordion-bg:var(--surface);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-color:var(--brand);--bs-accordion-active-bg:var(--surface)}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--surface);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.faq-item .accordion-button{
  position:relative;
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  background:var(--surface);
  padding:20px 20px 20px 26px;
  border-radius:var(--radius-card);
  box-shadow:none;
}
.faq-item .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:16px;bottom:16px;
  width:3px;
  border-radius:3px;
  background:transparent;
  transition:background .2s ease;
}
.faq-item .accordion-button:not(.collapsed){color:var(--brand)}
.faq-item .accordion-button:not(.collapsed)::before{background:var(--accent)}
.faq-item .accordion-button::after{
  content:"+";
  background-image:none !important;
  width:24px;height:24px;
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand-3);
  display:flex;
  align-items:center;
  justify-content:center;
  transform:none !important;
  transition:transform .2s ease,color .2s ease;
}
.faq-item .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg) !important;
  color:var(--accent);
}
.faq-item .accordion-body{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  padding:0 26px 22px;
}

/* ============ CTA 横幅 ============ */
.cta-band{
  background:var(--brand);
  border-radius:16px;
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  color:#EFEAF6;
}
.cta-band h2{color:#fff;font-size:26px;line-height:1.4}
.cta-band p{font-size:15px;color:rgba(239,234,246,.72);margin-top:8px;max-width:620px}

/* ============ 隐私说明带 ============ */
.privacy-band{
  background:var(--surface-2);
  border-top:1px solid var(--line);
  padding:28px 0;
}
.privacy-band p{
  max-width:760px;
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand);
  color:#EFEAF6;
  padding:56px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:32px;
}
.footer-brand .brand-text{display:inline-block;margin-bottom:12px}
.footer-brand .b1{font-size:18px;font-weight:700;color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(239,234,246,.66);max-width:320px}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:9px}
.footer-links a{font-size:14px;color:rgba(239,234,246,.72)}
.footer-links a:hover{color:var(--mint)}
.footer-contact p{font-size:14px;line-height:1.85;color:rgba(239,234,246,.66)}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;
  color:rgba(239,234,246,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sidebar-w:208px}
  .side-link{font-size:14px}
  .hero-grid{gap:32px}
  h1{font-size:36px}
  .form-grid{gap:36px}
}
@media (max-width:991.98px){
  .side-shell{display:none}
  .topbar{display:flex}
  .main-wrap{margin-left:0;padding-top:60px}
  .crumbs{padding-top:20px}
  .container-main{padding:0 20px}
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero-figure{height:260px}
  h1{font-size:32px}
  .form-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:32px}
}
@media (max-width:767.98px){
  .container-main{padding:0 16px}
  .section{padding:48px 0}
  h1{font-size:28px;letter-spacing:0}
  h2{font-size:22px}
  .hero-lead{font-size:16px}
  .hero-figure{height:220px}
  .metrics{grid-template-columns:1fr 1fr;gap:20px;margin-top:36px}
  .masonry{columns:1}
  .faq-item .accordion-button{font-size:16px;padding:18px 16px 18px 22px}
  .faq-item .accordion-body{padding:0 22px 20px}
  .cta-band{padding:26px;flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575.98px){
  .hero-actions{flex-direction:column}
  .btn-main,.btn-ghost2{width:100%}
  .field-row{grid-template-columns:1fr}
  .form-card{padding:20px}
  .metrics{grid-template-columns:1fr 1fr}
  .metric-num{font-size:22px}
}