/* roulang page: index */
:root{
  --brand:#14C4A6;
  --brand-deep:#0E9E87;
  --brand-soft:#E4F8F4;
  --accent:#FF7A3D;
  --accent-soft:#FFEDE4;
  --ink:#16211F;
  --ink-2:#5B6B68;
  --ink-3:#93A3A0;
  --bg:#F5F9F8;
  --surface:#FFFFFF;
  --line:#E3ECEA;
  --dark-panel:#0F1A19;
  --grad-brand:linear-gradient(135deg,#0E9E87 0%,#14C4A6 48%,#5FE0A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A3D 0%,#FF9A55 100%);
  --r-pill:999px;
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --sh-1:0 2px 8px rgba(15,26,25,.05);
  --sh-2:0 10px 28px rgba(15,26,25,.08);
  --sh-3:0 20px 48px rgba(14,158,135,.16);
  --sidebar-w:248px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"DIN Alternate",monospace;

  --bs-primary:#14C4A6;
  --bs-body-bg:#F5F9F8;
  --bs-body-color:#16211F;
  --bs-border-color:#E3ECEA;
  --bs-link-color:#0E9E87;
  --bs-link-hover-color:#0E9E87;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --bs-body-font-family:var(--bs-font-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:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

/* ---------- layout shell ---------- */
.app-shell{display:block;min-height:100vh;}
.app-sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:24px 16px 20px;z-index:1040;
}
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:30px;font-weight:700;letter-spacing:-.01em;}
.section-head p{color:var(--ink-2);font-size:15px;margin:8px 0 0;max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- sidebar brand + nav ---------- */
.sidebar-brand{padding:0 8px 22px;border-bottom:1px solid var(--line);}
.brand-lock{display:flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.04em;margin-top:2px;}
.sidebar-nav{padding-top:20px;flex:1 1 auto;overflow-y:auto;}
.nav-group-title{font-size:12px;color:var(--ink-3);letter-spacing:.1em;padding:0 14px 10px;margin:0;}
.nav-item{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:14.5px;font-weight:500;position:relative;
  transition:background .22s ease,color .22s ease;
}
.nav-item + .nav-item{margin-top:4px;}
.nav-item .nav-ico{
  width:18px;height:18px;flex:0 0 18px;border-radius:6px;background:var(--brand-soft);
  border:1px solid var(--line);transition:background .22s ease,border-color .22s ease;
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-item:hover .nav-ico{background:var(--brand);border-color:var(--brand);}
.nav-item.active{
  background:linear-gradient(90deg,rgba(20,196,166,.16),rgba(20,196,166,.04));
  color:var(--brand-deep);font-weight:700;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);
}
.nav-item.active .nav-ico{background:var(--brand);border-color:var(--brand);}
.sidebar-foot{border-top:1px solid var(--line);padding:16px 14px 0;font-size:12px;color:var(--ink-3);line-height:1.8;}
.sidebar-foot strong{display:block;color:var(--ink-2);font-weight:600;font-size:12px;}

/* ---------- mobile topbar ---------- */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:1035;height:60px;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);align-items:center;justify-content:space-between;
  padding:0 16px;
}
.topbar-toggle{
  width:42px;height:42px;border-radius:var(--r-sm);border:1px solid var(--line);background:var(--surface);
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;transition:box-shadow .22s ease;
}
.topbar-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.topbar-toggle:hover{box-shadow:var(--sh-1);}
.offcanvas.drawer-nav{background:var(--surface);width:84vw;max-width:320px;border-radius:0 20px 20px 0;padding:24px 16px;}
.offcanvas-backdrop.show{background:rgba(15,26,25,.45);opacity:1;}

/* ---------- hero ---------- */
.hero{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--dark-panel);
  padding:56px;margin:32px 0 0;color:#fff;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.28;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(14,158,135,.72) 0%,rgba(15,26,25,.86) 58%,rgba(15,26,25,.94) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero .eyebrow{background:rgba(255,255,255,.14);color:#CFF6EC;}
.hero .eyebrow::before{background:#5FE0A8;}
.hero h1{color:#fff;font-size:44px;font-weight:800;line-height:1.22;letter-spacing:-.02em;max-width:14em;}
.hero-lead{color:rgba(255,255,255,.82);font-size:16.5px;max-width:33em;margin:20px 0 32px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 28px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15.5px;font-weight:700;color:#fff;background-image:var(--grad-cta);
  background-size:180% 100%;background-position:0% 50%;
  transition:transform .22s ease,box-shadow .22s ease,background-position .25s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,122,61,.32);background-position:100% 50%;}
.btn-brand:active{transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.42);color:#fff;font-size:15.5px;font-weight:600;
  background:rgba(255,255,255,.06);transition:transform .22s ease,background .22s ease,border-color .22s ease;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.7);transform:translateY(-2px);}
.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--surface);color:var(--brand-deep);font-size:15.5px;font-weight:700;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-soft:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-soft);color:var(--brand-deep);}
.hero-login{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:24px;backdrop-filter:blur(6px);
}
.hero-login .panel-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.hero-login .panel-title{font-size:14px;font-weight:700;color:#fff;letter-spacing:.02em;}
.pill-dot{display:inline-flex;align-items:center;gap:7px;font-size:12px;color:#CFF6EC;background:rgba(20,196,166,.2);border-radius:var(--r-pill);padding:5px 12px;}
.pill-dot::before{content:"";width:7px;height:7px;border-radius:50%;background:#5FE0A8;box-shadow:0 0 0 4px rgba(95,224,168,.18);}
.line-field{
  height:48px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.08);display:flex;align-items:center;padding:0 16px;
  font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:12px;letter-spacing:.02em;
}
.line-field--btn{justify-content:center;background-image:var(--grad-brand);border-color:transparent;color:#fff;font-weight:700;letter-spacing:.06em;margin-bottom:0;}
.panel-hint{font-size:12px;color:rgba(255,255,255,.55);margin:14px 0 0;line-height:1.7;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;position:relative;z-index:2;}
.badge{
  display:inline-flex;align-items:center;gap:9px;border-radius:var(--r-pill);
  padding:9px 16px;font-size:12.5px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.86);
}
.badge b{font-family:var(--mono);font-weight:700;color:#5FE0A8;letter-spacing:-.02em;}
.badge .dot{width:8px;height:8px;border-radius:50%;background:#5FE0A8;}
.badge--light{background:var(--brand-soft);border-color:transparent;color:var(--brand-deep);}
.badge--light b{color:var(--brand-deep);}
.badge--light .dot{background:var(--brand);}
.badge--accent{background:var(--accent-soft);border-color:transparent;color:#B3491A;}
.badge--accent .dot{background:var(--accent);}
.badge--accent b{color:#B3491A;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:20px;position:relative;}
.steps::after{
  content:"";position:absolute;left:0;right:0;top:38px;height:1px;
  border-top:1px dashed var(--line);z-index:0;
}
.step{
  position:relative;z-index:1;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.step-num{
  width:56px;height:56px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-family:var(--mono);
  font-size:22px;font-weight:700;letter-spacing:-.02em;margin-bottom:18px;
}
.step h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.step p{color:var(--ink-2);font-size:14.5px;margin:0;}

/* ---------- benefits ---------- */
.benefit-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.benefit-main{
  background:linear-gradient(160deg,#F1FCF9 0%,#FFFFFF 62%);
  display:flex;flex-direction:column;gap:22px;
}
.media-16x9{position:relative;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;background:var(--brand-soft);}
.media-16x9 img{width:100%;height:100%;object-fit:cover;}
.media-16x9::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,26,25,0) 45%,rgba(15,26,25,.34) 100%);}
.card h3{font-size:21px;font-weight:700;margin-bottom:12px;}
.card p.desc{color:var(--ink-2);font-size:14.5px;margin:0;}
.tick-list{margin-top:16px;}
.tick-list li{
  position:relative;padding-left:20px;color:var(--ink-2);font-size:14.5px;margin-bottom:9px;
}
.tick-list li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--accent-soft);border:2px solid var(--accent);
}
.benefit-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.benefit-side .card{display:flex;flex-direction:column;gap:14px;}
.mini-ico{
  width:44px;height:44px;border-radius:14px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800;
}
.benefit-side .card h4{font-size:17px;font-weight:700;}
.benefit-side .card p{font-size:14px;color:var(--ink-2);margin:0;}

/* ---------- progress board ---------- */
.board{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px;box-shadow:var(--sh-1);display:grid;grid-template-columns:1.6fr 1fr;gap:40px;align-items:center;
}
.board h2{font-size:26px;margin-bottom:12px;}
.board .desc{color:var(--ink-2);font-size:14.5px;margin:0 0 24px;}
.progress-row{display:flex;align-items:center;gap:16px;margin-bottom:22px;}
.progress-track{flex:1 1 auto;height:10px;border-radius:var(--r-pill);background:var(--brand-soft);overflow:hidden;}
.progress-fill{height:100%;width:68%;border-radius:var(--r-pill);background-image:var(--grad-brand);}
.progress-label{font-family:var(--mono);font-size:12.5px;color:var(--ink-3);letter-spacing:-.02em;white-space:nowrap;}
.achieve{display:flex;flex-wrap:wrap;gap:12px;}
.achieve li{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-pill);
  padding:8px 15px;font-size:12.5px;border:1px dashed var(--line);color:var(--ink-3);
}
.achieve li .dot{width:8px;height:8px;border-radius:50%;background:var(--ink-3);opacity:.5;}
.achieve li.done{background:var(--accent-soft);border:1px solid transparent;color:#B3491A;font-weight:600;}
.achieve li.done .dot{background:var(--accent);opacity:1;}
.board-side{
  border-radius:var(--r-md);padding:26px;background:linear-gradient(160deg,#0F1A19,#132726);color:#fff;
}
.board-side h3{color:#fff;font-size:17px;margin-bottom:14px;}
.board-side ul li{
  position:relative;padding-left:18px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:10px;
}
.board-side ul li::before{content:"";position:absolute;left:0;top:8px;width:7px;height:7px;border-radius:50%;background:#5FE0A8;}

/* ---------- CMS post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.post-card__link{display:flex;flex-direction:column;height:100%;color:inherit;}
.post-card__link:hover{color:inherit;}
.post-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.post-card__cat{
  font-size:12px;font-weight:600;color:var(--brand-deep);background:var(--brand-soft);
  border-radius:var(--r-pill);padding:4px 12px;
}
.post-card__time{font-size:12px;color:var(--ink-3);font-family:var(--mono);letter-spacing:-.02em;}
.post-card__title{
  font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__desc{
  font-size:14px;color:var(--ink-2);line-height:1.7;margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__more{
  margin-top:auto;font-size:13.5px;font-weight:700;color:var(--brand-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.post-card__more i{font-style:normal;transition:transform .22s ease;}
.post-card:hover .post-card__more i{transform:translateX(3px);}
.link-more{font-size:14px;font-weight:700;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}
.link-more i{font-style:normal;transition:transform .22s ease;}
.link-more:hover i{transform:translateX(3px);}
.empty-state{
  min-height:180px;border:1px dashed var(--line);border-radius:var(--r-md);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  text-align:center;color:var(--ink-2);font-size:14.5px;padding:32px;
}
.empty-state .ico{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;background:var(--surface);border:1px solid var(--line);
  border-radius:16px;padding:8px 28px;box-shadow:var(--sh-1);}
.faq-wrap .accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line);}
.faq-wrap .accordion-item:last-child{border-bottom:none;}
.faq-wrap .accordion-button{
  background:transparent;color:var(--ink);font-size:16px;font-weight:600;
  padding:22px 0;box-shadow:none;border-radius:0;line-height:1.6;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--brand-deep);}
.faq-wrap .accordion-button::after{
  width:16px;height:16px;background-size:16px;background-image:none;
  content:"+";font-size:20px;line-height:1;display:flex;align-items:center;justify-content:center;
  color:var(--brand-deep);transition:transform .22s ease;margin-left:auto;
}
.faq-wrap .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-wrap .accordion-body{padding:0 0 24px;color:var(--ink-2);font-size:15px;line-height:1.85;}

/* ---------- CTA ---------- */
.cta-card{
  border-radius:var(--r-lg);padding:48px;background:var(--dark-panel);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-card::before{
  content:"";position:absolute;inset:0;opacity:.9;
  background:linear-gradient(120deg,rgba(14,158,135,.92) 0%,rgba(15,26,25,.88) 62%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-card p{color:rgba(255,255,255,.76);font-size:15px;margin:0;max-width:34em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{
  margin:80px 0 0;background:var(--dark-panel);border-radius:var(--r-lg) var(--r-lg) 0 0;
  color:rgba(255,255,255,.72);padding:56px 0 28px;margin-left:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:13.5px;color:rgba(255,255,255,.6);margin:18px 0 0;max-width:26em;line-height:1.8;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;}
.footer-col a{display:block;color:rgba(255,255,255,.72);font-size:14px;margin-bottom:11px;transition:color .22s ease;}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:14px;margin:0 0 11px;color:rgba(255,255,255,.72);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .board{grid-template-columns:1fr;gap:28px;}
  .steps{grid-template-columns:1fr 1fr;}
  .steps::after{display:none;}
}
@media (max-width:991px){
  .app-sidebar{display:none;}
  .app-main{margin-left:0;}
  .mobile-topbar{display:flex;}
  .wrap{padding:0 18px;}
  .hero{padding:36px 26px;border-radius:var(--r-md);margin-top:20px;}
  .hero h1{font-size:30px;}
  .hero-lead{font-size:15.5px;margin:16px 0 26px;}
  .section{padding:64px 0;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .benefit-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-card{padding:36px;}
  .faq-wrap{padding:4px 20px;}
}
@media (max-width:575px){
  .hero{padding:28px 20px;}
  .hero h1{font-size:27px;}
  .hero-actions{gap:10px;}
  .btn-brand,.btn-ghost,.btn-soft{width:100%;}
  .section{padding:44px 0;}
  .section-head h2{font-size:24px;}
  .steps{grid-template-columns:1fr;}
  .step{display:flex;gap:16px;align-items:flex-start;}
  .step-num{width:44px;height:44px;font-size:18px;margin-bottom:0;flex:0 0 44px;}
  .post-grid{grid-template-columns:1fr;}
  .board{padding:24px;}
  .cta-card{padding:28px 22px;}
  .cta-card h2{font-size:23px;}
  .cta-actions{gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .card:hover,.step:hover,.post-card:hover,.btn-brand:hover,.btn-ghost:hover,.btn-soft:hover{transform:none;}
}

/* roulang page: article */
:root{
  --brand:#14C4A6;
  --brand-deep:#0E9E87;
  --brand-soft:#E4F8F4;
  --accent:#FF7A3D;
  --accent-soft:#FFEDE4;
  --ink:#16211F;
  --ink-2:#5B6B68;
  --ink-3:#93A3A0;
  --bg:#F5F9F8;
  --surface:#FFFFFF;
  --line:#E3ECEA;
  --dark-panel:#0F1A19;
  --grad-brand:linear-gradient(135deg,#0E9E87 0%,#14C4A6 48%,#5FE0A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A3D 0%,#FF9A55 100%);
  --sh-1:0 2px 8px rgba(15,26,25,.05);
  --sh-2:0 10px 28px rgba(15,26,25,.08);
  --sh-3:0 20px 48px rgba(14,158,135,.16);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --pill:999px;
  --sidebar-w:248px;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --bs-primary:#14C4A6;
  --bs-body-bg:#F5F9F8;
  --bs-body-color:#16211F;
  --bs-border-color:#E3ECEA;
  --bs-link-color:#0E9E87;
  --bs-link-hover-color:#14C4A6;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,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:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-.01em}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px}

/* ---------- 品牌锁 ---------- */
.brand-lock{display:flex;align-items:center;gap:12px;padding:22px 20px 18px;color:var(--ink)}
.brand-lock:hover{color:var(--ink)}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  background:var(--grad-brand);color:#04231E;
  display:grid;place-items:center;font-weight:800;font-size:18px;
  box-shadow:var(--sh-2);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:18px;font-weight:800;color:var(--ink)}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.04em}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none;position:sticky;top:0;z-index:60;
  height:60px;padding:0 14px 0 8px;background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
}
.topbar .brand-lock{padding:8px 6px}
.topbar .brand-mark{width:34px;height:34px;flex-basis:34px;border-radius:11px;font-size:16px}
.topbar .brand-main{font-size:16px}
.topbar .brand-sub{font-size:11px}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);display:grid;place-content:center;gap:4px;cursor:pointer;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-2)}
.nav-toggle:hover{border-color:var(--brand);box-shadow:var(--sh-1)}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-w);height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:70;overflow-y:auto;
}
.sidebar-nav{padding:6px 14px 18px;display:flex;flex-direction:column;gap:4px}
.nav-group-title{
  font-size:12px;color:var(--ink-3);letter-spacing:.08em;
  padding:6px 14px 8px;margin:0;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;border-radius:var(--r-sm);
  color:var(--ink-2);font-size:15px;position:relative;
  transition:background .22s ease,color .22s ease;
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-item.active{
  background:var(--brand-soft);color:var(--brand-deep);font-weight:700;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:3px;background:var(--brand);
}
.nav-ico{
  width:18px;height:18px;flex:0 0 18px;border-radius:6px;
  background:var(--brand-soft);border:1px solid rgba(20,196,166,.35);
}
.nav-item.active .nav-ico{background:var(--brand);border-color:var(--brand)}
.sidebar-foot{
  margin-top:auto;padding:16px 20px 22px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);line-height:1.7;
}
.sidebar-foot strong{display:block;color:var(--ink-2);font-weight:600;font-size:12px}
.nav-mask{
  position:fixed;inset:0;background:rgba(15,26,25,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease;z-index:65;
}

/* ---------- 主内容 ---------- */
.app-main{margin-left:var(--sidebar-w);padding:28px 0 64px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);margin-bottom:22px;
}
.crumb a{color:var(--ink-3)}
.crumb a:hover{color:var(--brand-deep)}
.crumb .sep{color:#C3D2CF}
.crumb .current{color:var(--ink)}

/* ---------- 文章头 ---------- */
.article-shell{max-width:900px;margin:0 auto}
.article-head{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 40px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.article-head::after{
  content:"";position:absolute;right:-90px;top:-90px;width:240px;height:240px;
  border-radius:50%;background:var(--grad-brand);opacity:.12;
}
.cat-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;
}
.cat-badge i{width:8px;height:8px;border-radius:50%;background:var(--brand);display:block}
.article-head h1{
  font-size:38px;line-height:1.26;font-weight:800;margin:18px 0 0;
  letter-spacing:-.02em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--ink-3);
}
.meta-row .dot{color:#C3D2CF}
.meta-row .mono{font-family:var(--mono);letter-spacing:-.02em}

/* ---------- 正文 ---------- */
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  margin-top:22px;padding:40px 44px;box-shadow:var(--sh-1);
}
.article-body{max-width:780px;margin:0 auto;font-size:17px;line-height:1.9;color:#243230}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;font-weight:700;margin:1.9em 0 .7em;padding-left:14px;
  position:relative;line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:4px;background:var(--brand);
}
.article-body h3{font-size:19px;font-weight:700;margin:1.5em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;background:var(--brand-soft);
  border-left:4px solid var(--brand);border-radius:0 12px 12px 0;color:var(--ink-2);
}
.article-body img{border-radius:16px;margin:1.6em 0;width:100%;object-fit:cover}
.article-body a{color:var(--brand-deep);text-decoration:underline;text-decoration-color:rgba(14,158,135,.4)}
.article-body a:hover{text-decoration-color:var(--brand-deep)}
.article-body table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article-body th{background:var(--brand-soft);font-weight:700}
.article-body code{
  background:var(--bg);border:1px solid var(--line);border-radius:6px;
  padding:2px 6px;font-family:var(--mono);font-size:.9em;
}
.post-empty{
  text-align:center;padding:46px 20px;border:1px dashed var(--line);
  border-radius:var(--r-md);background:var(--bg);
}
.post-empty h2{font-size:22px;margin-bottom:10px}
.post-empty p{color:var(--ink-2);margin-bottom:20px}

/* ---------- 标签 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:26px}
.tag-row .label{font-size:13px;color:var(--ink-3);margin-right:4px}
.tag{
  display:inline-block;padding:7px 15px;border-radius:var(--pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);transition:all .22s ease;
}
.tag:hover{border-color:var(--brand);color:var(--brand-deep);background:var(--brand-soft)}

/* ---------- 提示卡 ---------- */
.tips{
  margin-top:26px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:30px 34px;box-shadow:var(--sh-1);
}
.tips h2{font-size:21px;font-weight:700;margin-bottom:6px}
.tips .sub{font-size:14px;color:var(--ink-2);margin-bottom:22px}
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tip{
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:20px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tip:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft)}
.tip .num{
  font-family:var(--mono);font-size:13px;font-weight:700;letter-spacing:-.02em;
  color:var(--brand-deep);background:var(--brand-soft);
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:26px;padding:0 10px;border-radius:var(--pill);margin-bottom:12px;
}
.tip h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.tip p{font-size:14px;color:var(--ink-2);line-height:1.7}

/* ---------- 相关推荐 ---------- */
.related{margin-top:34px}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
.related-head h2{font-size:24px;font-weight:700}
.related-head a{font-size:14px;font-weight:600}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.post-top{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-3);margin-bottom:12px}
.post-top .pill{
  background:var(--brand-soft);color:var(--brand-deep);border-radius:var(--pill);
  padding:3px 11px;font-size:12px;font-weight:600;
}
.post-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px}
.post-card .excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-deep);
  display:inline-flex;align-items:center;gap:6px;
}
.post-card:hover .post-link span{transform:translateX(3px)}
.post-link span{transition:transform .22s ease}

.back-row{margin-top:30px}
.back-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;
  color:var(--brand-deep);
}
.back-link:hover{gap:12px}

/* ---------- CTA ---------- */
.cta-panel{
  margin-top:38px;border-radius:var(--r-lg);padding:46px;
  background:var(--dark-panel);position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;background:var(--grad-brand);opacity:.16;
}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{color:#fff;font-size:27px;font-weight:700;margin-bottom:8px}
.cta-copy p{color:rgba(255,255,255,.72);font-size:15px}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);padding:13px 30px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-position .25s ease,color .22s ease,border-color .22s ease;
}
.btn-brand{
  background-image:var(--grad-cta);background-size:180% 100%;background-position:0 0;
  color:#3A1402;box-shadow:var(--sh-3);
}
.btn-brand:hover{transform:translateY(-2px);background-position:100% 0;color:#3A1402}
.btn-brand:active{transform:translateY(-1px)}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.4);color:#fff;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark-panel);color:rgba(255,255,255,.72);
  border-top-left-radius:var(--r-lg);border-top-right-radius:var(--r-lg);
  margin-top:56px;padding:56px 0 26px;
}
.site-footer .brand-main{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.6)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:330px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0}
.footer-col a:hover{color:var(--brand)}
.footer-col p{font-size:14px;padding:5px 0;color:rgba(255,255,255,.66)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .topbar{display:flex}
  .sidebar{
    width:84vw;max-width:320px;transform:translateX(-102%);
    transition:transform .25s ease;border-radius:0 20px 20px 0;
  }
  .sidebar.open{transform:translateX(0);box-shadow:var(--sh-2)}
  .nav-mask.show{opacity:1;visibility:visible}
  .app-main{margin-left:0;padding:22px 0 48px}
  .article-head{padding:28px 26px}
  .article-head h1{font-size:30px}
  .article-card{padding:30px 26px}
  .tip-grid{grid-template-columns:1fr}
  .cta-panel{padding:32px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px}
  .article-head h1{font-size:28px}
  .article-body{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .related-head{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .post-card:hover,.tip:hover,.btn-brand:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#14C4A6;
  --brand-deep:#0E9E87;
  --brand-soft:#E4F8F4;
  --accent:#FF7A3D;
  --accent-soft:#FFEDE4;
  --ink:#16211F;
  --ink-2:#5B6B68;
  --ink-3:#93A3A0;
  --bg:#F5F9F8;
  --surface:#FFFFFF;
  --line:#E3ECEA;
  --dark-panel:#0F1A19;
  --grad-brand:linear-gradient(135deg,#0E9E87 0%,#14C4A6 48%,#5FE0A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A3D 0%,#FF9A55 100%);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(15,26,25,.05);
  --sh-2:0 10px 28px rgba(15,26,25,.08);
  --sh-3:0 20px 48px rgba(14,158,135,.16);
  --t:.22s ease;

  --bs-primary:#14C4A6;
  --bs-body-bg:#F5F9F8;
  --bs-body-color:#16211F;
  --bs-border-color:#E3ECEA;
  --bs-link-color:#0E9E87;
  --bs-link-hover-color:#0E9E87;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe 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:var(--bs-font-sans-serif);
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:-0.02em;font-weight:700;}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;width:248px;height:100vh;
  background:var(--surface);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;
  padding:26px 16px 20px;
  overflow-y:auto;
  z-index:1040;
}
.brand-lock{display:flex;align-items:center;gap:11px;padding:0 8px 20px;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:14px;
  background:var(--grad-brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 8px 18px rgba(14,158,135,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-main{font-size:18px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.04em;}
.nav-group-title{
  font-size:12px;color:var(--ink-3);letter-spacing:.08em;
  padding:14px 14px 8px;margin:0;text-transform:uppercase;
}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:10px;
  height:44px;padding:0 14px;
  border-radius:var(--r-sm);
  color:var(--ink-2);font-size:15px;
  transition:background var(--t),color var(--t);
}
.nav-item .nav-ico{
  width:18px;height:18px;flex:0 0 18px;border-radius:6px;
  background:var(--brand-soft);
  position:relative;
}
.nav-item .nav-ico::after{
  content:"";position:absolute;inset:5px;border-radius:3px;background:var(--brand);
  opacity:.65;
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-item.active{
  background:linear-gradient(90deg,rgba(20,196,166,.16),rgba(20,196,166,.04));
  color:var(--brand-deep);font-weight:700;
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.nav-item.active .nav-ico::after{opacity:1;}
.sidebar-foot{
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);line-height:1.9;
}
.sidebar-foot p{margin:0;}
.sidebar-foot .dotline{display:flex;align-items:center;gap:6px;}
.sidebar-foot .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 6px;}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;z-index:1050;
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-topbar .brand-lock{padding:0;}
.hamburger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);display:flex;align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;
}
.hamburger:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,26,25,.45);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);z-index:1035;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ============ 主内容 ============ */
.app-main{margin-left:248px;min-height:100vh;display:flex;flex-direction:column;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px;}
.page-main{flex:1 0 auto;padding-bottom:88px;}
.topline{
  height:8px;width:100%;
  background:var(--grad-brand);
  position:relative;overflow:hidden;
}
.topline::after{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.28;mix-blend-mode:overlay;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-3);padding:20px 0 8px;
}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand-deep);}
.crumb .sep{color:#C9D6D3;}
.crumb .current{color:var(--ink);}

/* Hero */
.hero-panel{
  margin-top:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:44px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.hero-panel::before{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;
  border-radius:50%;background:radial-gradient(circle,rgba(20,196,166,.18),rgba(20,196,166,0) 68%);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--brand);}
.hero-panel h1{
  font-size:40px;font-weight:800;line-height:1.22;margin:18px 0 14px;letter-spacing:-.01em;
}
.hero-panel h1 em{font-style:normal;color:var(--brand-deep);}
.hero-lead{font-size:16.5px;color:var(--ink-2);max-width:560px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:var(--r-pill);padding:7px 14px;font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-deep);
}
.pill.alt{background:var(--accent-soft);color:#C4521F;}
.pill .dot{width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.75;}
.hero-media{
  border-radius:var(--r-lg);overflow:hidden;position:relative;
  aspect-ratio:16/11;background:var(--brand-soft);
  border:1px solid var(--line);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media .media-tag{
  position:absolute;left:16px;bottom:16px;
  background:rgba(15,26,25,.72);color:#fff;
  font-size:12.5px;padding:7px 13px;border-radius:var(--r-pill);
  backdrop-filter:blur(6px);
}

/* 分节布局 */
.guide-layout{
  display:grid;grid-template-columns:236px 1fr;gap:44px;
  margin-top:64px;align-items:start;
}
.anchor-col{position:sticky;top:24px;}
.anchor-col h2{
  font-size:13px;color:var(--ink-3);font-weight:700;letter-spacing:.06em;
  padding:0 0 12px 6px;
}
.anchor-nav{display:flex;flex-direction:column;gap:6px;}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--ink-2);
  border:1px solid transparent;
}
.anchor-nav a span.i{
  font-family:ui-monospace,Menlo,monospace;font-size:12px;color:var(--ink-3);
}
.anchor-nav a:hover{background:var(--brand-soft);color:var(--brand-deep);}
.anchor-nav a.is-current{
  background:var(--surface);border-color:var(--line);color:var(--brand-deep);
  font-weight:700;box-shadow:var(--sh-1);
}
.anchor-note{
  margin-top:18px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;font-size:13px;color:var(--ink-2);line-height:1.8;
}

.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px;margin-bottom:28px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.alt-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.alt-row.reverse .alt-media{order:-1;}
.alt-media{
  border-radius:var(--r-lg);overflow:hidden;aspect-ratio:4/3;
  background:var(--brand-soft);border:1px solid var(--line);
}
.alt-media img{width:100%;height:100%;object-fit:cover;}
.alt-copy .step-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill);
  padding:5px 12px;
}
.alt-copy h3{font-size:22px;margin:14px 0 12px;}
.alt-copy p{font-size:15.5px;color:var(--ink-2);margin-bottom:12px;}
.alt-copy p:last-child{margin-bottom:0;}
.alt-copy .hint{
  display:flex;gap:10px;align-items:flex-start;
  background:var(--accent-soft);border-left:4px solid var(--accent);
  border-radius:var(--r-sm);padding:12px 14px;font-size:14px;color:#8C3E17;margin-top:14px;
}

/* 条件与进度 */
.progress-panel{
  margin-top:64px;background:var(--dark-panel);color:#fff;
  border-radius:var(--r-xl);padding:44px;position:relative;overflow:hidden;
}
.progress-panel::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;
  border-radius:50%;background:radial-gradient(circle,rgba(20,196,166,.32),rgba(20,196,166,0) 70%);
}
.progress-panel h2{color:#fff;font-size:28px;}
.progress-panel .sub{color:rgba(255,255,255,.72);margin-top:10px;max-width:660px;}
.bar-row{display:flex;align-items:center;gap:16px;margin-top:30px;}
.bar-track{
  flex:1;height:10px;border-radius:var(--r-pill);background:rgba(255,255,255,.16);overflow:hidden;
}
.bar-fill{
  height:100%;width:75%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,#0E9E87,#14C4A6 48%,#5FE0A8);
}
.bar-label{font-size:13px;color:rgba(255,255,255,.8);white-space:nowrap;}
.achieve-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.achieve{
  display:inline-flex;align-items:center;gap:9px;font-size:13px;
  border-radius:var(--r-pill);padding:8px 15px;
  border:1px dashed rgba(255,255,255,.34);color:rgba(255,255,255,.72);
}
.achieve.done{background:var(--accent-soft);border:1px solid transparent;color:#8C3E17;font-weight:600;}
.achieve .dot{width:8px;height:8px;border-radius:50%;background:currentColor;opacity:.8;}

/* 自查清单 */
.check-section{margin-top:64px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;}
.section-head h2{font-size:30px;}
.section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px;}
.check-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:28px;}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.check-card .no{
  width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.check-card h4{font-size:16.5px;margin:16px 0 8px;}
.check-card p{font-size:14px;color:var(--ink-2);}

/* CTA */
.cta-card{
  margin-top:64px;border-radius:var(--r-xl);padding:48px;
  background:var(--dark-panel);position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;left:-60px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(14,158,135,.5),rgba(14,158,135,0) 70%);
}
.cta-card h2{color:#fff;font-size:30px;position:relative;}
.cta-card p{color:rgba(255,255,255,.74);margin-top:12px;max-width:560px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;}
.btn-brand,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);padding:13px 26px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-position var(--t),background-color var(--t),color var(--t),border-color var(--t);
}
.btn-brand{background-image:var(--grad-brand);background-size:180% 100%;background-position:0% 50%;color:#fff;box-shadow:var(--sh-3);}
.btn-brand:hover{transform:translateY(-2px);background-position:100% 50%;color:#fff;}
.btn-accent{background-image:var(--grad-cta);background-size:180% 100%;background-position:0% 50%;color:#fff;box-shadow:0 12px 26px rgba(255,122,61,.28);}
.btn-accent:hover{transform:translateY(-2px);background-position:100% 50%;color:#fff;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-brand:active,.btn-accent:active,.btn-ghost:active{transform:translateY(1px);}

/* 页脚 */
.site-footer{
  margin-top:80px;background:var(--dark-panel);color:rgba(255,255,255,.72);
  border-radius:var(--r-xl) var(--r-xl) 0 0;padding:56px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:14px;max-width:320px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.6);}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;}
.footer-col a,.footer-col p{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:10px;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199.98px){
  .hero-panel{padding:36px;gap:32px;}
  .hero-panel h1{font-size:36px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  .sidebar{
    width:84vw;max-width:320px;transform:translateX(-102%);
    border-radius:0 20px 20px 0;box-shadow:var(--sh-2);
    transition:transform .26s ease;
  }
  .sidebar.is-open{transform:translateX(0);}
  .mobile-topbar{display:flex;}
  .app-main{margin-left:0;padding-top:60px;}
  .hero-panel{grid-template-columns:1fr;padding:28px;}
  .hero-panel h1{font-size:32px;}
  .guide-layout{grid-template-columns:1fr;gap:26px;margin-top:44px;}
  .anchor-col{position:static;}
  .anchor-nav{flex-direction:row;overflow-x:auto;gap:10px;padding-bottom:6px;scrollbar-width:thin;}
  .anchor-nav a{white-space:nowrap;background:var(--surface);border:1px solid var(--line);}
  .anchor-note{display:none;}
  .alt-row{grid-template-columns:1fr;gap:22px;padding:24px;}
  .alt-row .alt-media{order:-1;}
  .alt-row.reverse .alt-media{order:-1;}
  .progress-panel,.cta-card{padding:32px;}
  .cta-card{grid-template-columns:1fr;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 18px;}
  .hero-panel h1{font-size:29px;}
  .hero-lead{font-size:15.5px;}
  .section-head h2{font-size:24px;}
  .progress-panel h2{font-size:23px;}
  .cta-card h2{font-size:23px;}
  .check-grid{grid-template-columns:1fr;}
  .alt-copy h3{font-size:19px;}
  .page-main{padding-bottom:56px;}
  .site-footer{padding:40px 0 22px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{flex-direction:column;width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%;}
}
@media (max-width:520px){
  .hero-panel{padding:22px;border-radius:22px;}
  .hero-panel h1{font-size:26px;}
  .hero-badges{gap:8px;}
  .pill{font-size:12px;padding:6px 12px;}
  .alt-row{padding:20px;border-radius:22px;}
  .progress-panel,.cta-card{padding:24px;border-radius:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .alt-row:hover,.check-card:hover,.btn-brand:hover,.btn-accent:hover,.btn-ghost:hover{transform:none !important;}
}

/* roulang page: category2 */
:root{
  --brand:#14C4A6;
  --brand-deep:#0E9E87;
  --brand-soft:#E4F8F4;
  --accent:#FF7A3D;
  --accent-soft:#FFEDE4;
  --ink:#16211F;
  --ink-2:#5B6B68;
  --ink-3:#93A3A0;
  --bg:#F5F9F8;
  --surface:#FFFFFF;
  --line:#E3ECEA;
  --dark-panel:#0F1A19;
  --grad-brand:linear-gradient(135deg,#0E9E87 0%,#14C4A6 48%,#5FE0A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A3D 0%,#FF9A55 100%);
  --sh-1:0 2px 8px rgba(15,26,25,.05);
  --sh-2:0 10px 28px rgba(15,26,25,.08);
  --sh-3:0 20px 48px rgba(14,158,135,.16);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --sidebar-w:248px;
  --bs-primary:var(--brand);
  --bs-body-bg:var(--bg);
  --bs-body-color:var(--ink);
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand-deep);
  --bs-link-hover-color:var(--brand);
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,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:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em}
h1{font-size:40px;line-height:1.24;font-weight:800}
h2{font-size:29px;line-height:1.32}
h3{font-size:20px;line-height:1.4}
h4{font-size:17px;font-weight:600}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
.num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

/* ============ 左侧栏 ============ */
.sidebar{
  position:fixed;left:0;top:0;width:var(--sidebar-w);height:100vh;
  background:var(--surface);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:24px 18px 20px;z-index:1040;
}
.brand-lock{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;font-size:17px;font-weight:800;
  display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-main{font-size:18px;font-weight:800;color:var(--ink)}
.brand-sub{font-size:12px;color:var(--ink-2);letter-spacing:.04em}
.nav-group-title{font-size:12px;color:var(--ink-3);letter-spacing:.08em;margin:0 0 8px;padding-left:14px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;
  border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);position:relative;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-deep)}
.nav-item.active{
  color:var(--brand-deep);font-weight:700;
  background:linear-gradient(90deg,rgba(20,196,166,.16),rgba(20,196,166,.03));
}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--brand);
}
.nav-ico{
  width:18px;height:18px;flex:0 0 18px;border-radius:6px;
  background:var(--grad-brand);opacity:.4;transition:opacity .22s ease;
}
.nav-item:hover .nav-ico,.nav-item.active .nav-ico{opacity:1}
.sidebar-foot{margin-top:auto;padding:16px 14px 0;border-top:1px solid var(--line)}
.sidebar-foot p{margin:0 0 6px;font-size:12px;color:var(--ink-3);line-height:1.6}

/* ============ 移动顶栏与抽屉 ============ */
.topbar{
  display:none;position:sticky;top:0;z-index:1050;height:60px;align-items:center;
  justify-content:space-between;padding:0 18px;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(8px);
}
.topbar .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px;font-size:15px}
.topbar .brand-main{font-size:16px}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
  transition:background .22s ease,border-color .22s ease;
}
.burger:hover{background:var(--brand-soft);border-color:var(--brand-soft)}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}
.drawer{
  position:fixed;left:0;top:0;height:100%;width:84vw;max-width:320px;background:var(--surface);
  border-radius:0 20px 20px 0;padding:22px 18px;z-index:1060;overflow-y:auto;
  transform:translateX(-102%);transition:transform .26s ease;box-shadow:var(--sh-2);
}
.drawer.open{transform:translateX(0)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,26,25,.45);z-index:1055;
  opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
}
.drawer-mask.show{opacity:1;visibility:visible}

/* ============ 主区域 ============ */
.main-wrap{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
main{flex:1 1 auto}
.section{padding:56px 0}
.section-tight{padding:36px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);background:var(--brand-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:12px;
}
.section-desc{color:var(--ink-2);font-size:15px;max-width:760px}

/* 面包屑 */
.crumb-bar{padding:22px 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(--brand-deep)}
.crumb .sep{opacity:.6}
.crumb .current{color:var(--ink)}
.crumb-topline{height:8px;border-radius:var(--r-pill);background:var(--grad-brand);margin-bottom:18px}

/* Hero */
.page-hero{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--dark-panel);color:#fff;padding:44px 40px;margin-top:20px;
  box-shadow:var(--sh-2);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(135deg,rgba(14,158,135,.72),rgba(15,26,25,.86)),
    url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.9;
}
.page-hero > *{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:900px}
.page-hero .lede{color:rgba(255,255,255,.84);font-size:16.5px;max-width:760px;margin-top:16px}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.22);
}
.chip .dot{width:8px;height:8px;border-radius:50%;background:var(--brand)}
.chip.c-accent .dot{background:var(--accent)}

/* 平台设备网格 */
.device-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.device-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft)}
.device-ico{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand-deep);
}
.device-ico svg{width:24px;height:24px}
.device-card h3{font-size:18px}
.device-card p{font-size:14px;color:var(--ink-2);line-height:1.7}
.device-card .tag{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:3px 12px;
}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-deep);margin-top:auto}
.link-more span{transition:transform .22s ease}
.link-more:hover span{transform:translateX(4px)}

/* 步骤折叠 */
.acc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1)}
.acc .accordion-item{border:0;background:transparent}
.acc .accordion-item + .accordion-item{border-top:1px solid var(--line)}
.acc .accordion-button{
  background:transparent;box-shadow:none;padding:20px 24px;gap:14px;
  font-size:16px;font-weight:600;color:var(--ink);display:flex;align-items:center;
  transition:color .22s ease,background .22s ease;
}
.acc .accordion-button:not(.collapsed){color:var(--brand-deep);background:rgba(228,248,244,.5)}
.acc .accordion-button:hover{background:var(--brand-soft)}
.acc .accordion-button:focus{box-shadow:none;border-color:transparent;outline:2px solid var(--brand);outline-offset:-4px}
.acc .accordion-button::after{
  background-image:none;content:"";width:11px;height:11px;margin-left:auto;flex:0 0 auto;
  border-right:2px solid var(--brand-deep);border-bottom:2px solid var(--brand-deep);
  transform:rotate(45deg);transition:transform .22s ease;
}
.acc .accordion-button:not(.collapsed)::after{background-image:none;transform:rotate(-135deg)}
.step-no{
  font-family:ui-monospace,Menlo,Consolas,monospace;font-size:14px;font-weight:700;
  color:var(--brand-deep);background:var(--surface);border:1px dashed rgba(14,158,135,.5);
  border-radius:var(--r-pill);padding:3px 12px;flex:0 0 auto;
}
.acc .accordion-body{padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--ink-2)}
.acc .accordion-body strong{color:var(--ink)}
.acc .accordion-body ul{margin-top:10px}
.acc .accordion-body li{position:relative;padding-left:20px;margin-bottom:8px}
.acc .accordion-body li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--brand);
}

/* 报错提示卡 */
.alert-card{
  background:var(--accent-soft);border-left:4px solid var(--accent);
  border-radius:var(--r-sm);padding:22px 24px;margin-bottom:16px;
}
.alert-card h3{font-size:17px;margin-bottom:6px}
.alert-card p{font-size:14.5px;color:var(--ink-2);margin:0}

/* 自查图文 */
.check-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.check-list{display:grid;gap:14px;margin-top:20px}
.check-item{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px}
.check-item .tick{
  width:22px;height:22px;flex:0 0 22px;border-radius:50%;background:var(--grad-brand);color:#fff;
  font-size:12px;display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-item h4{font-size:15px;margin-bottom:2px}
.check-item p{font-size:13.5px;color:var(--ink-2);margin:0}
.ratio{position:relative;width:100%;aspect-ratio:4/3;border-radius:var(--r-lg);overflow:hidden;background:var(--brand-soft);box-shadow:var(--sh-2)}
.ratio img{width:100%;height:100%;object-fit:cover}

/* 互链区 */
.cross-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.cross-card{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft)}
.cross-card h3{font-size:18px;margin-bottom:4px}
.cross-card p{font-size:14px;color:var(--ink-2);margin:0}
.cross-arrow{
  width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:18px;
}

/* CTA 大卡 */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:48px;
  background:var(--grad-brand);color:#fff;display:flex;flex-wrap:wrap;gap:26px;
  align-items:center;justify-content:space-between;box-shadow:var(--sh-3);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.14);
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{color:#fff;font-size:28px;max-width:620px}
.cta-card p{color:rgba(255,255,255,.9);font-size:15px;margin:10px 0 0;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* 按钮 */
.btn-app{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;line-height:1;
  transition:transform .22s ease,box-shadow .22s ease,background-position .25s ease,color .22s ease,border-color .22s ease;
}
.btn-app:active{transform:translateY(1px)}
.btn-primary-app{background-image:var(--grad-cta);background-size:180% 100%;background-position:0 0;color:#fff;box-shadow:var(--sh-2)}
.btn-primary-app:hover{background-position:100% 0;transform:translateY(-2px);box-shadow:var(--sh-3);color:#fff}
.btn-ghost-app{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost-app:hover{background:rgba(255,255,255,.24);transform:translateY(-2px);color:#fff}
.btn-line-app{background:var(--surface);border-color:var(--line);color:var(--ink)}
.btn-line-app:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1)}

/* 页脚 */
.site-footer{
  background:var(--dark-panel);color:#fff;border-radius:var(--r-xl) var(--r-xl) 0 0;
  padding:56px 0 24px;margin-top:60px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(255,255,255,.6)}
.footer-brand p{color:rgba(255,255,255,.68);font-size:14px;line-height:1.75;margin-top:16px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col a,.footer-col p{display:block;color:rgba(255,255,255,.72);font-size:14px;margin:0 0 10px}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:18px;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* 响应式 */
@media (max-width:1199.98px){
  .device-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
  .device-card{padding:22px}
}
@media (max-width:991.98px){
  .sidebar{display:none}
  .topbar{display:flex}
  .main-wrap{margin-left:0}
  h1{font-size:32px}
  h2{font-size:25px}
  .wrap{padding:0 18px}
  .page-hero{padding:32px 24px;border-radius:var(--r-lg)}
  .section{padding:44px 0}
  .device-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-grid{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-card{padding:32px 24px}
}
@media (max-width:575.98px){
  h1{font-size:28px}
  h2{font-size:22px}
  .device-grid{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{width:100%}
  .cta-actions .btn-app{width:100%}
  .acc .accordion-button{padding:16px 16px;font-size:15px;gap:10px}
  .acc .accordion-body{padding:0 16px 18px 16px}
  .page-hero{padding:26px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .device-card:hover,.cross-card:hover,.btn-app:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --brand:#14C4A6;
  --brand-deep:#0E9E87;
  --brand-soft:#E4F8F4;
  --accent:#FF7A3D;
  --accent-soft:#FFEDE4;
  --ink:#16211F;
  --ink-2:#5B6B68;
  --ink-3:#93A3A0;
  --bg:#F5F9F8;
  --surface:#FFFFFF;
  --line:#E3ECEA;
  --dark-panel:#0F1A19;
  --grad-brand:linear-gradient(135deg,#0E9E87 0%,#14C4A6 48%,#5FE0A8 100%);
  --grad-cta:linear-gradient(120deg,#FF7A3D 0%,#FF9A55 100%);
  --sh-1:0 2px 8px rgba(15,26,25,.05);
  --sh-2:0 10px 28px rgba(15,26,25,.08);
  --sh-3:0 20px 48px rgba(14,158,135,.16);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --sidebar-w:248px;

  --bs-primary:#14C4A6;
  --bs-body-bg:#F5F9F8;
  --bs-body-color:#16211F;
  --bs-border-color:#E3ECEA;
  --bs-link-color:#0E9E87;
  --bs-link-hover-color:#0E9E87;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand-deep);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:2000;}
.skip-link:focus{left:0;color:#fff;}
.wrap{max-width:1240px;margin:0 auto;padding:0 32px;}

/* ============ 左侧导航 ============ */
.app-sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--surface);
  border-right:1px solid var(--line);
  padding:24px 16px 20px;
  display:flex;
  flex-direction:column;
  gap:22px;
  z-index:1045;
  overflow-y:auto;
}
.brand-lock{display:flex;align-items:center;gap:11px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:var(--r-sm);
  background:var(--grad-brand);
  color:#fff;font-weight:800;font-size:18px;
  display:grid;place-items:center;
  box-shadow:var(--sh-1);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-main{font-size:18px;font-weight:800;color:var(--ink);}
.brand-sub{font-size:12px;letter-spacing:.04em;color:var(--ink-2);}
.sidebar-nav{display:flex;flex-direction:column;gap:4px;}
.nav-group-title{
  font-size:12px;letter-spacing:.08em;color:var(--ink-3);
  margin:0 0 6px 14px;
}
.nav-item{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 14px;
  border-radius:var(--r-sm);
  border-left:3px solid transparent;
  color:var(--ink-2);font-size:15px;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.nav-item:hover{background:var(--brand-soft);color:var(--brand-deep);}
.nav-item.active{
  background:linear-gradient(90deg,rgba(20,196,166,.18),rgba(20,196,166,.04));
  border-left-color:var(--brand);
  color:var(--brand-deep);
  font-weight:700;
}
.nav-ico{
  width:18px;height:18px;flex:0 0 18px;border-radius:6px;
  background:currentColor;opacity:.32;
}
.nav-item.active .nav-ico{opacity:.9;}
.sidebar-foot{margin-top:auto;font-size:12px;line-height:1.7;color:var(--ink-3);border-top:1px solid var(--line);padding-top:14px;}
.sidebar-foot p{margin:0 0 4px;}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{display:none;}
.drawer-close{
  position:absolute;top:16px;right:16px;
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:20px;line-height:1;display:grid;place-items:center;
  transition:background .22s ease,color .22s ease;
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand-deep);}
.hamburger{
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;gap:4px;padding:0;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);}
.offcanvas.app-drawer{
  width:84vw;max-width:320px;
  border:0;border-right:1px solid var(--line);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:var(--surface);
  padding:22px 16px 18px;
}
.offcanvas.app-drawer .offcanvas-body{
  padding:0;display:flex;flex-direction:column;gap:20px;height:100%;
}
.offcanvas-backdrop{background-color:rgba(15,26,25,.45);}
.offcanvas-backdrop.show{opacity:1;}

/* ============ 主内容区 ============ */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.topline{height:8px;background:var(--grad-brand);}
.app-main .wrap{width:100%;}

/* ============ 面包屑与页头 ============ */
.page-hero{padding:36px 0 8px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:18px;}
.crumbs a{color:var(--ink-3);}
.crumbs a:hover{color:var(--brand-deep);}
.crumbs .sep{color:var(--ink-3);opacity:.7;}
.crumbs .cur{color:var(--ink);}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);}
h1.page-title{
  font-size:44px;font-weight:800;line-height:1.22;
  margin:16px 0 14px;
}
.lede{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:820px;}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:13.5px;color:var(--ink-2);
  transition:border-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.chip::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);opacity:.75;}
.chip:hover{border-color:var(--brand-soft);color:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-1);}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;line-height:1;
  white-space:nowrap;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-brand{
  border:0;background-image:var(--grad-cta);background-size:150% 100%;background-position:0 0;
  color:#fff;box-shadow:0 8px 20px rgba(255,122,61,.24);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3);background-position:100% 0;}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{
  border:1px solid rgba(255,255,255,.42);background:rgba(255,255,255,.06);color:#fff;
}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.16);transform:translateY(-2px);border-color:rgba(255,255,255,.7);}
.btn-outline-brand{
  border:1px solid var(--line);background:var(--surface);color:var(--brand-deep);
}
.btn-outline-brand:hover{color:var(--brand-deep);border-color:var(--brand);box-shadow:var(--sh-1);transform:translateY(-2px);}

/* ============ 版块标题 ============ */
.section{padding:56px 0 0;}
.section-title{font-size:28px;font-weight:700;line-height:1.3;}
.section-sub{margin-top:10px;color:var(--ink-2);font-size:15.5px;max-width:780px;}

/* ============ FAQ 区 ============ */
.faq-layout{
  display:grid;
  grid-template-columns:250px minmax(0,1fr);
  gap:32px;
  align-items:start;
  margin-top:28px;
}
.faq-side{
  position:sticky;
  top:24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.faq-side h3{font-size:15px;font-weight:700;margin-bottom:14px;}
.tag-list{display:flex;flex-direction:column;gap:8px;}
.tag-list a{
  display:block;padding:10px 16px;border-radius:999px;
  background:var(--bg);color:var(--ink-2);font-size:14px;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.tag-list a:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateX(3px);}
.faq-side .note{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.7;}

.faq-accordion{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.faq-accordion .accordion-item{
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  scroll-margin-top:90px;
}
.faq-accordion .accordion-item:last-child{border-bottom:0;}
.faq-accordion .accordion-header{margin:0;}
.faq-accordion .accordion-button{
  background:transparent;
  color:var(--ink);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:20px 22px;
  gap:16px;
  box-shadow:none;
  border-radius:0;
}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--brand-deep);
  background:var(--brand-soft);
}
.faq-accordion .accordion-button::after{
  content:"+";
  background-image:none;
  width:30px;height:30px;flex:0 0 30px;
  display:grid;place-items:center;
  border-radius:999px;
  background-color:var(--brand-soft);
  color:var(--brand-deep);
  font-size:19px;font-weight:500;line-height:1;
  transform:none;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-color:var(--accent-soft);
  color:var(--accent);
}
.faq-accordion .accordion-body{
  padding:0 22px 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ============ 仍需帮助 条 ============ */
.help-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 0;
  margin:56px 0 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.help-strip .hs-text{font-size:16px;color:var(--ink-2);max-width:640px;}
.help-strip strong{color:var(--ink);}

/* ============ 相关文章卡 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
  margin-top:28px;
}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px;
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-soft);}
.thumb{
  aspect-ratio:16/9;
  border-radius:14px;
  overflow:hidden;
  background:var(--brand-soft);
  margin-bottom:16px;
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);margin-bottom:8px;}
.post-meta .cat{
  padding:3px 10px;border-radius:999px;
  background:var(--accent-soft);color:#C2542A;font-weight:600;
}
.post-card h3{font-size:18px;font-weight:700;line-height:1.55;margin-bottom:10px;}
.post-card .excerpt{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.card-link{margin-top:auto;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);}
.card-link .arrow{transition:transform .22s ease;}
.post-card:hover .card-link .arrow{transform:translateX(3px);}

/* ============ CTA 大卡 ============ */
.cta-section{padding:72px 0 0;}
.cta-card{
  position:relative;
  border-radius:var(--r-lg);
  background:var(--dark-panel);
  padding:48px;
  overflow:hidden;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-2);
}
.cta-card .cta-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.28;
}
.cta-card .cta-veil{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(15,26,25,.94) 0%,rgba(14,158,135,.72) 100%);
}
.cta-content,.cta-actions{position:relative;z-index:2;}
.cta-content{max-width:640px;}
.cta-content h2{color:#fff;font-size:28px;font-weight:800;line-height:1.35;margin-bottom:12px;}
.cta-content p{color:rgba(255,255,255,.76);font-size:15.5px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;
  background:var(--dark-panel);
  color:rgba(255,255,255,.72);
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.1fr;
  gap:36px;
}
.footer-brand .brand-lock{margin-bottom:16px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(255,255,255,.62);}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;}
.footer-col a,.footer-col p{display:block;font-size:14px;color:rgba(255,255,255,.72);margin:0 0 10px;line-height:1.7;}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;row-gap:32px;}
}
@media (max-width:991.98px){
  .app-sidebar{display:none;}
  .app-main{margin-left:0;}
  .mobile-bar{
    display:flex;align-items:center;justify-content:space-between;
    position:sticky;top:0;z-index:1040;
    height:60px;padding:0 18px;
    background:rgba(255,255,255,.95);
    backdrop-filter:blur(8px);
    border-bottom:1px solid var(--line);
  }
  .mobile-bar .brand-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px;border-radius:10px;}
  .mobile-bar .brand-main{font-size:16px;}
  .mobile-bar .brand-sub{font-size:11px;}
  h1.page-title{font-size:36px;}
  .wrap{padding:0 24px;}
  .faq-layout{grid-template-columns:1fr;gap:24px;}
  .faq-side{position:static;}
  .tag-list{flex-direction:row;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch;}
  .tag-list a{white-space:nowrap;background:var(--bg);}
  .faq-side .note{display:none;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  h1.page-title{font-size:30px;margin:14px 0 12px;}
  .lede{font-size:15.5px;}
  .section{padding:44px 0 0;}
  .section-title{font-size:23px;}
  .page-hero{padding:26px 0 4px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .cta-section{padding:52px 0 0;}
  .cta-card{padding:32px 24px;border-radius:var(--r-md);}
  .cta-content h2{font-size:23px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:44px 0 24px;margin-top:56px;border-radius:var(--r-md) var(--r-md) 0 0;}
  .help-strip{margin-top:44px;flex-direction:column;align-items:flex-start;}
  .help-strip .btn-outline-brand{width:100%;}
  .faq-accordion .accordion-button{font-size:15.5px;padding:18px 18px;gap:12px;}
  .faq-accordion .accordion-body{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .post-card:hover,.btn-brand:hover,.btn-ghost:hover,.btn-outline-brand:hover{transform:none;}
}