/* roulang page: index */
:root{
  --brand:#5B3DF5;
  --brand-2:#8A63FF;
  --brand-3:#EFEBFF;
  --brand-4:#F4F1FF;
  --cyan:#14C3B0;
  --cyan-soft:#E3F8F5;
  --gold:#FFC46B;
  --ink:#14102E;
  --ink-2:#221B4A;
  --moon:#F7F6FC;
  --card:#FFFFFF;
  --line:#E7E4F5;
  --text:#2A2740;
  --muted:#6B6784;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:18px;
  --r-xs:12px;
  --sh:0 8px 24px rgba(20,16,46,.08);
  --sh-hover:0 18px 48px rgba(91,61,245,.18);
  --grad:linear-gradient(118deg,#5B3DF5 0%,#8A63FF 46%,#14C3B0 100%);
  --grad-dark:linear-gradient(160deg,#14102E 0%,#2C1F63 70%,#3A2A7A 100%);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:17px;line-height:1.85;color:var(--text);background:var(--moon);
  -webkit-font-smoothing:antialiased;
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s;}
a:hover{color:var(--brand-2);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);}
p{margin:0 0 1.1em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.num{font-variant-numeric:tabular-nums;}
.container,.container-lg,.container-xl{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container,.container-lg,.container-xl{max-width:1320px;}}
.section{padding:96px 0;}
@media (max-width:991.98px){.section{padding:72px 0;}}
@media (max-width:575.98px){.section{padding:48px 0;}}

/* ---------- buttons ---------- */
.btn{border-radius:999px;font-weight:600;font-size:16px;padding:14px 28px;border:1px solid transparent;transition:transform .2s,box-shadow .25s,background .25s,color .2s;line-height:1.2;}
.btn-brand{background:var(--grad);background-size:160% 100%;color:#fff;box-shadow:0 10px 26px rgba(91,61,245,.28);}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(91,61,245,.36);background-position:100% 0;}
.btn-brand:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(91,61,245,.3);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.8);}
.btn-ghost-light{background:transparent;border-color:#D9D3F2;color:var(--text);}
.btn-ghost-light:hover,.btn-ghost-light:focus{background:var(--brand-4);color:var(--brand);border-color:var(--brand-2);}
.btn-sm{padding:10px 20px;font-size:15px;}
.btn-lg{padding:16px 34px;font-size:17px;}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--brand);position:relative;}
.text-link i{transition:transform .2s;}
.text-link:hover i{transform:translateX(4px);}
.text-link::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--grad);transition:width .25s;}
.text-link:hover::after{width:100%;}

/* ---------- nav ---------- */
.site-nav{
  --nav-fg:#fff;--nav-dim:rgba(255,255,255,.8);
  position:fixed;top:0;left:0;right:0;z-index:1030;height:72px;
  background:rgba(20,16,46,.28);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:background .25s,box-shadow .25s,border-color .25s;
}
.site-nav.is-stuck{--nav-fg:#2A2740;--nav-dim:#6B6784;background:rgba(255,255,255,.92);border-bottom-color:transparent;box-shadow:0 6px 24px rgba(20,16,46,.10);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--nav-fg);flex-shrink:0;}
.brand:hover{color:var(--nav-fg);}
.brand-main{font-size:19px;font-weight:800;letter-spacing:.01em;}
.brand-divider{width:1px;height:18px;background:currentColor;opacity:.35;}
.brand-sub{font-size:13px;font-weight:600;opacity:.86;}
.nav-menu{flex:1 1 auto;}
.nav-list{display:flex;align-items:center;justify-content:center;gap:2px;}
.nav-list>li{position:relative;}
.nav-list>li>a{display:inline-block;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--nav-dim);transition:background .2s,color .2s;}
.nav-list>li>a:hover{color:var(--nav-fg);background:rgba(255,255,255,.14);}
.site-nav.is-stuck .nav-list>li>a:hover{background:var(--brand-4);color:var(--brand);}
.nav-list>li>a.active{color:var(--nav-fg);background:rgba(255,255,255,.18);}
.site-nav.is-stuck .nav-list>li>a.active{color:var(--brand);background:var(--brand-4);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);color:var(--nav-fg);display:inline-flex;align-items:center;justify-content:center;transition:.2s;}
.icon-btn:hover{background:rgba(255,255,255,.22);color:var(--nav-fg);}
.site-nav.is-stuck .icon-btn{border-color:var(--line);background:#fff;color:var(--muted);}
.site-nav.is-stuck .icon-btn:hover{background:var(--brand-4);color:var(--brand);}
.nav-toggle{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);padding:0 11px;}
.nav-toggle span{display:block;height:2px;background:var(--nav-fg);border-radius:2px;transition:.25s;}
.site-nav.is-stuck .nav-toggle{border-color:var(--line);background:#fff;}
@media (max-width:991.98px){
  .site-nav{height:60px;}
  .nav-inner{height:60px;}
  .nav-menu{position:absolute;top:70px;left:0;right:0;padding:14px;border-radius:20px;background:rgba(20,16,46,.94);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid rgba(255,255,255,.16);box-shadow:0 18px 48px rgba(0,0,0,.32);}
  .nav-menu .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-menu .nav-list>li>a{display:block;padding:12px 16px;font-size:16px;color:rgba(255,255,255,.86);border-radius:14px;}
  .nav-menu .nav-list>li>a:hover{background:rgba(255,255,255,.12);color:#fff;}
  .nav-menu .nav-list>li>a.active{background:rgba(255,255,255,.18);color:#fff;}
  .nav-actions .btn{display:none;}
}
@media (max-width:575.98px){
  .brand-sub{display:none;}
  .brand-divider{display:none;}
}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:center;color:#fff;
  padding:132px 0 72px;
  background-image:linear-gradient(160deg,rgba(20,16,46,.94) 0%,rgba(44,31,99,.9) 55%,rgba(58,42,122,.86) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;overflow:hidden;
}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(118deg,rgba(91,61,245,.20),rgba(20,195,176,.14));pointer-events:none;}
.hero>.container{position:relative;z-index:2;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;padding:7px 16px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;margin-bottom:22px;}
.hero-eyebrow i{color:var(--gold);}
.hero h1{font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.25;color:#fff;margin-bottom:18px;}
.hero h1 .hl{background:linear-gradient(118deg,#8A63FF,#14C3B0);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:520px;margin-bottom:32px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);}
.stat-badge b{font-size:20px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;display:inline-flex;align-items:center;gap:6px;}
.stat-badge b::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block;}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.78);}
.hero-demo{position:relative;border-radius:var(--r-lg);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);padding:14px;box-shadow:0 24px 60px rgba(0,0,0,.35);}
.hero-demo::before{content:"";position:absolute;inset:auto -18px -18px auto;width:70%;height:70%;border-radius:var(--r-lg);background:var(--grad);opacity:.35;filter:blur(38px);z-index:-1;}
.hero-demo-inner{border-radius:var(--r-md);overflow:hidden;background:#fff;position:relative;}
.hero-demo-inner img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-demo-tag{position:absolute;top:14px;left:14px;padding:6px 14px;border-radius:999px;background:var(--grad);color:#fff;font-size:13px;font-weight:600;}
.hero-demo-bar{display:flex;justify-content:space-between;gap:12px;padding:14px 18px;background:#fff;border-top:1px solid var(--line);}
.hero-demo-bar div{font-size:13px;color:var(--muted);}
.hero-demo-bar b{display:block;font-size:17px;color:var(--text);font-variant-numeric:tabular-nums;}
.anchor-pills{display:flex;gap:10px;overflow-x:auto;padding:22px 0 4px;scrollbar-width:none;margin-top:36px;}
.anchor-pills::-webkit-scrollbar{display:none;}
.anchor-pills a{flex:0 0 auto;padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.88);font-size:14px;font-weight:600;}
.anchor-pills a:hover{background:rgba(255,255,255,.24);color:#fff;}
@media (max-width:991.98px){
  .hero{min-height:auto;padding:112px 0 56px;}
  .hero-sub{max-width:100%;}
  .hero-demo{margin-top:40px;}
}
@media (max-width:575.98px){
  .hero{padding:96px 0 44px;}
  .btn{padding:13px 22px;font-size:15px;}
  .stat-badge{padding:10px 14px;}
}

/* ---------- section head ---------- */
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-head-center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;padding:6px 14px;border-radius:999px;background:var(--brand-3);color:var(--brand);margin-bottom:16px;}
.sec-title{font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.3;margin-bottom:14px;}
.sec-sub{color:var(--muted);font-size:16px;line-height:1.8;margin:0;}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.grad-rule{height:2px;border-radius:2px;background:var(--grad);opacity:.4;margin-top:40px;}

/* ---------- features ---------- */
.feature-main{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);overflow:hidden;height:100%;display:flex;flex-direction:column;}
.feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-main-body{padding:32px;display:flex;flex-direction:column;gap:16px;flex:1;}
.feature-main h3{font-size:22px;}
.feature-main p{color:var(--muted);font-size:15.5px;margin:0;}
.feature-points{display:flex;flex-direction:column;gap:12px;margin-top:6px;}
.feature-points li{display:flex;align-items:flex-start;gap:12px;font-size:15.5px;color:var(--text);}
.feature-points i{color:var(--cyan);margin-top:6px;font-size:14px;}
.feature-tall{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:30px;transition:transform .25s,box-shadow .25s;flex:1;display:flex;flex-direction:column;gap:12px;}
.feature-tall:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.feature-icon{width:52px;height:52px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:#fff;background:var(--grad);}
.feature-tall h3{font-size:19px;}
.feature-tall p{color:var(--muted);font-size:15px;margin:0;}
.feature-tall .text-link{margin-top:auto;font-size:15px;}

/* ---------- demo ---------- */
.demo-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:36px;}
.steps{position:relative;padding-left:8px;}
.step{position:relative;padding:0 0 30px 46px;}
.step:last-child{padding-bottom:0;}
.step::before{content:"";position:absolute;left:15px;top:34px;bottom:0;width:2px;background:var(--line);}
.step:last-child::before{display:none;}
.step-dot{position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;background:var(--brand-4);color:var(--brand);font-weight:700;font-size:14px;display:inline-flex;align-items:center;justify-content:center;border:1px solid #D9D3F2;}
.step.active .step-dot{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(91,61,245,.3);}
.step h3{font-size:18px;margin-bottom:6px;}
.step p{color:var(--muted);font-size:15px;margin:0;}
.demo-panel{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:var(--brand-4);}
.demo-panel img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.demo-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.demo-tabs button{border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:999px;padding:9px 18px;font-size:14px;font-weight:600;transition:.2s;}
.demo-tabs button:hover{border-color:var(--brand-2);color:var(--brand);}
.demo-tabs button.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(91,61,245,.24);}
.demo-note{margin-top:16px;font-size:14px;color:var(--muted);display:flex;gap:8px;align-items:flex-start;}
.demo-note i{color:var(--cyan);margin-top:4px;}
@media (max-width:767.98px){
  .demo-wrap{padding:24px;}
  .steps{display:flex;gap:10px;overflow-x:auto;padding-left:0;}
  .step{padding:0 0 0 0;min-width:190px;}
  .step::before{display:none;}
  .step-dot{position:static;display:inline-flex;margin-bottom:10px;}
}

/* ---------- proof ---------- */
.proof{background:var(--grad-dark);color:#fff;position:relative;overflow:hidden;}
.proof::after{content:"";position:absolute;top:-140px;right:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(91,61,245,.55),transparent 68%);}
.proof>.container{position:relative;z-index:2;}
.proof .sec-title,.proof .sec-sub{color:#fff;}
.proof .sec-sub{color:rgba(255,255,255,.72);}
.env-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin:44px 0;}
.env-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-sm);padding:22px 12px;text-align:center;color:rgba(255,255,255,.6);transition:.25s;}
.env-item i{font-size:22px;display:block;margin-bottom:10px;}
.env-item span{font-size:13.5px;font-weight:600;}
.env-item:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-4px);border-color:rgba(255,255,255,.32);}
.proof-row{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:36px;}
.quote-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:28px;position:relative;}
.quote-card::before{content:"\201C";position:absolute;top:6px;left:20px;font-size:56px;line-height:1;color:rgba(255,196,107,.4);font-family:Georgia,serif;}
.quote-card p{color:rgba(255,255,255,.88);font-size:15.5px;margin:22px 0 20px;}
.quote-person{display:flex;align-items:center;gap:14px;}
.quote-person img{width:52px;height:52px;border-radius:20px;object-fit:cover;}
.quote-person b{display:block;font-size:15px;color:#fff;}
.quote-person span{font-size:13px;color:rgba(255,255,255,.62);}
.case-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:12px;scrollbar-width:thin;}
.case-card{flex:0 0 300px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:22px;transition:.25s;}
.case-card:hover{background:rgba(255,255,255,.14);transform:translateY(-4px);}
.case-card h4{color:#fff;font-size:16px;margin-bottom:8px;}
.case-card p{color:rgba(255,255,255,.7);font-size:14px;margin:0;}
.case-hint{font-size:13px;color:rgba(255,255,255,.55);margin-top:4px;}
@media (max-width:991.98px){
  .env-grid{grid-template-columns:repeat(3,1fr);}
  .proof-row{grid-template-columns:1fr;}
}

/* ---------- price ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.price-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.price-card.featured{border:1px solid transparent;background-image:linear-gradient(#fff,#fff),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;transform:scale(1.03);box-shadow:0 20px 52px rgba(91,61,245,.2);position:relative;}
.price-card.featured:hover{transform:scale(1.03) translateY(-4px);}
.price-tag{position:absolute;top:-14px;left:32px;padding:5px 14px;border-radius:999px;background:var(--gold);color:#4A3208;font-size:13px;font-weight:700;letter-spacing:.04em;}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-card .price-desc{color:var(--muted);font-size:14.5px;margin-bottom:20px;}
.price-amount{font-size:40px;font-weight:800;line-height:1.1;color:var(--text);font-variant-numeric:tabular-nums;margin-bottom:6px;}
.price-amount small{font-size:15px;font-weight:600;color:var(--muted);margin-left:6px;}
.price-list{display:flex;flex-direction:column;gap:0;margin:18px 0 26px;}
.price-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;padding:10px 0;border-bottom:1px dashed var(--line);color:var(--text);}
.price-list li:last-child{border-bottom:0;}
.price-list i{color:var(--cyan);margin-top:5px;font-size:13px;}
.price-card .btn{margin-top:auto;width:100%;text-align:center;}
@media (max-width:991.98px){
  .price-grid{grid-template-columns:1fr;gap:20px;}
  .price-card.featured{order:-1;transform:none;}
  .price-card.featured:hover{transform:translateY(-4px);}
}

/* ---------- news ---------- */
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;height:100%;display:flex;flex-direction:column;box-shadow:var(--sh);transition:transform .25s,box-shadow .25s;}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.news-cover{display:block;position:relative;overflow:hidden;background:var(--grad);}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.news-tag{position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:999px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;}
.news-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-title{font-size:18px;line-height:1.5;font-weight:700;}
.news-title a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-title a:hover{color:var(--brand);}
.news-excerpt{color:var(--muted);font-size:14px;line-height:1.75;margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}
.news-more{font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-more i{transition:transform .2s;}
.news-more:hover i{transform:translateX(4px);}
.news-empty{border:2px dashed #D9D3F2;border-radius:var(--r-md);padding:52px 24px;text-align:center;color:var(--muted);background:#FCFBFF;}
.news-empty i{font-size:30px;color:var(--brand-2);display:block;margin-bottom:14px;}
.news-empty p{margin-bottom:18px;font-size:15.5px;}

/* ---------- faq ---------- */
.faq-side h2{font-size:clamp(24px,3.2vw,32px);line-height:1.3;margin-bottom:14px;}
.faq-side p{color:var(--muted);font-size:15.5px;}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;background:#fff;box-shadow:var(--sh);}
.accordion-button{background:#fff;color:var(--text);font-weight:600;font-size:16.5px;padding:20px 24px;border:0;box-shadow:none!important;position:relative;}
.accordion-button::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);opacity:0;transition:opacity .25s;}
.accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-button:not(.collapsed){background:var(--brand-4);color:var(--brand);}
.accordion-button::after{background-image:none;content:"+";font-size:22px;font-weight:400;color:var(--brand);display:flex;align-items:center;justify-content:center;width:28px;height:28px;line-height:1;transform:none;transition:transform .28s;}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{background:#F7F5FF;color:var(--muted);font-size:15.5px;line-height:1.85;padding:20px 28px;}

/* ---------- cta band ---------- */
.cta-band{background:var(--grad-dark);color:#fff;padding:0 0 96px;position:relative;overflow:hidden;}
.cta-band::before{content:"";position:absolute;bottom:-180px;left:-120px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(20,195,176,.35),transparent 68%);}
.cta-band .container{position:relative;z-index:2;}
.cta-card{border-radius:28px;padding:48px;background:linear-gradient(118deg,rgba(91,61,245,.9),rgba(138,99,255,.78) 46%,rgba(20,195,176,.78));box-shadow:0 24px 60px rgba(0,0,0,.32);display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;border:1px solid rgba(255,255,255,.22);}
.cta-card h2{font-size:clamp(22px,3vw,30px);color:#fff;margin-bottom:10px;}
.cta-card p{color:rgba(255,255,255,.86);margin:0;font-size:16px;}
.cta-card-actions{display:flex;gap:14px;flex-wrap:wrap;}
@media (max-width:767.98px){
  .cta-card{padding:32px 24px;}
  .cta-band{padding-bottom:72px;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.72);padding:0 0 28px;position:relative;}
.footer-top{border-top:1px solid rgba(255,255,255,.14);padding:72px 0 44px;}
.footer-brand .brand{color:#fff;}
.footer-brand p{margin:18px 0 20px;font-size:14.5px;color:rgba(255,255,255,.66);max-width:320px;}
.social-row{display:flex;gap:10px;}
.social-row a{width:38px;height:38px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.8);}
.social-row a:hover{background:rgba(255,255,255,.22);color:#fff;}
.footer-col h4{color:#fff;font-size:15.5px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-col li{font-size:14.5px;display:flex;gap:10px;align-items:flex-start;}
.footer-col li i{color:var(--cyan);margin-top:5px;font-size:13px;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6);}
@media (max-width:767.98px){
  .footer-top{padding:48px 0 32px;}
}

/* ---------- float cta ---------- */
.float-cta{position:fixed;right:28px;bottom:28px;z-index:1040;display:inline-flex;align-items:center;gap:8px;padding:14px 24px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600;font-size:15px;box-shadow:0 14px 34px rgba(91,61,245,.36);opacity:0;visibility:hidden;transform:translateY(14px);transition:.32s;}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 20px 44px rgba(91,61,245,.44);}
.float-top{display:none;}
@media (max-width:767.98px){
  body{padding-bottom:76px;}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom));gap:12px;justify-content:space-between;background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(20,16,46,.12);}
  .float-cta.show{transform:translateY(0);}
  .float-cta .float-main{flex:1;text-align:center;padding:13px 20px;border-radius:999px;background:var(--grad);color:#fff;font-weight:600;font-size:15px;}
  .float-cta .float-main:hover{color:#fff;}
  .float-top{display:inline-flex;width:48px;height:48px;border-radius:14px;align-items:center;justify-content:center;background:var(--brand-4);color:var(--brand);font-size:16px;flex:0 0 auto;}
}

/* roulang page: category1 */
:root{
  --brand:#5B3DF5;
  --brand-light:#8A63FF;
  --brand-soft:#EFEBFF;
  --brand-soft-2:#F4F1FF;
  --teal:#14C3B0;
  --teal-soft:#E3F8F5;
  --gold:#FFC46B;
  --dark-1:#14102E;
  --dark-2:#221B4A;
  --dark-line:rgba(255,255,255,.14);
  --page:#F7F6FC;
  --card:#FFFFFF;
  --line:#E7E4F5;
  --text:#2A2740;
  --muted:#6B6784;
  --grad:linear-gradient(118deg,#5B3DF5 0%,#8A63FF 46%,#14C3B0 100%);
  --grad-dark:linear-gradient(160deg,#14102E 0%,#2C1F63 70%,#3A2A7A 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:18px;
  --r-xs:12px;
  --sh:0 8px 24px rgba(20,16,46,.08);
  --sh-hover:0 18px 48px rgba(91,61,245,.18);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-light);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;}
h1{font-size:clamp(28px,5vw,46px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;}
h3{font-size:20px;line-height:1.45;}
p{margin:0 0 1.1em;}
::selection{background:rgba(91,61,245,.18);}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:22px;padding-right:22px;}
@media (min-width:1400px){.container{max-width:1320px;}}

.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.section-head p{color:var(--muted);margin:12px 0 0;font-size:17px;}
.section-head h2{max-width:22em;}

/* ============ 按钮 ============ */
.btn{font-family:inherit;font-size:16px;font-weight:600;border-radius:999px;border:0;transition:all .25s ease;}
.btn-brand{
  background-image:var(--grad);background-size:170% 100%;background-position:0 0;
  color:#fff;padding:14px 28px;box-shadow:0 10px 26px rgba(91,61,245,.28);
}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 36px rgba(91,61,245,.34);}
.btn-brand:active{transform:translateY(0);box-shadow:0 8px 20px rgba(91,61,245,.3);}
.btn-brand:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}
.btn-brand.btn-sm{padding:10px 20px;font-size:14px;}
.btn-ghost{
  background:transparent;border:1px solid #D9D3F2;color:var(--text);padding:13px 26px;
}
.btn-ghost:hover{background:var(--brand-soft-2);color:var(--brand);border-color:#C7BDF0;transform:translateY(-2px);}
.btn-ghost:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}
.btn-ghost-light{
  background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;padding:13px 26px;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn-ghost-light:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:600;font-size:15px;
  position:relative;
}
.text-link i{transition:transform .25s ease;}
.text-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.text-link:hover::after{transform:scaleX(1);}
.text-link:hover i{transform:translateX(4px);}

/* ============ 导航 ============ */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(20,16,46,.28);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.16);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-nav .nav-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.brand-main{font-size:19px;font-weight:800;color:#fff;letter-spacing:.01em;}
.brand-divider{width:1px;height:18px;background:rgba(255,255,255,.45);border-radius:2px;}
.brand-sub{font-size:13px;font-weight:600;color:rgba(255,255,255,.78);}
.brand:hover .brand-main,.brand:hover .brand-sub{color:#fff;}

.nav-menu{flex:1;justify-content:center;}
.nav-list{display:flex;align-items:center;gap:2px;justify-content:center;}
.nav-list > li > a{
  display:inline-block;color:rgba(255,255,255,.88);font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:999px;transition:all .2s ease;
}
.nav-list > li > a:hover,.nav-list > li > a.active{color:#fff;background:rgba(255,255,255,.16);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);transition:all .22s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px);}
.nav-toggle{
  width:44px;height:40px;border-radius:12px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.2);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;}

.dropdown-toggle::after{
  content:"";display:inline-block;margin-left:6px;vertical-align:2px;
  border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid currentColor;
}
.dropdown-menu{
  border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-hover);
  padding:10px;background:rgba(255,255,255,.96);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);min-width:220px;margin-top:10px;
}
.dropdown-item{
  border-radius:12px;padding:10px 14px;font-size:15px;color:var(--text);font-weight:500;
}
.dropdown-item:hover,.dropdown-item:focus{background:var(--brand-soft-2);color:var(--brand);}
.dropdown-item.active{background:var(--brand-soft);color:var(--brand);font-weight:700;}

.site-nav.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom-color:transparent;
  box-shadow:0 6px 24px rgba(20,16,46,.10);
}
.site-nav.is-stuck .brand-main{color:var(--text);}
.site-nav.is-stuck .brand-sub{color:var(--muted);}
.site-nav.is-stuck .brand-divider{background:var(--line);}
.site-nav.is-stuck .nav-list > li > a{color:var(--text);}
.site-nav.is-stuck .nav-list > li > a:hover,
.site-nav.is-stuck .nav-list > li > a.active{color:var(--brand);background:var(--brand-soft-2);}
.site-nav.is-stuck .icon-btn{color:var(--text);background:var(--brand-soft-2);border-color:var(--line);}
.site-nav.is-stuck .icon-btn:hover{color:var(--brand);background:var(--brand-soft);}
.site-nav.is-stuck .nav-toggle{background:var(--brand-soft-2);border-color:var(--line);}
.site-nav.is-stuck .nav-toggle span{background:var(--text);}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;min-height:360px;display:flex;align-items:flex-end;
  padding:132px 0 52px;background:var(--dark-1);overflow:hidden;color:#fff;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(20,16,46,.94) 0%,rgba(44,31,99,.84) 58%,rgba(58,42,122,.72) 100%),
             linear-gradient(118deg,rgba(91,61,245,.20) 0%,rgba(20,195,176,.14) 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:18px;}
.breadcrumb-row a{color:rgba(255,255,255,.82);}
.breadcrumb-row a:hover{color:#fff;}
.breadcrumb-row .sep{color:rgba(255,255,255,.4);}
.breadcrumb-row .current{color:rgba(255,255,255,.62);}
.cat-hero h1{color:#fff;max-width:20em;letter-spacing:.01em;}
.cat-hero .hero-sub{color:rgba(255,255,255,.82);font-size:17px;margin:16px 0 0;max-width:34em;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-tags span{
  font-size:13px;font-weight:600;color:#fff;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
}
.hero-tags span i{color:var(--gold);margin-right:6px;font-size:11px;}

/* ============ 数据徽章条 ============ */
.stats-strip{background:#fff;border-bottom:1px solid var(--line);padding:28px 0;}
.stats-row{display:flex;flex-wrap:wrap;gap:16px;}
.stat-pill{
  flex:1 1 220px;display:flex;align-items:center;gap:14px;
  background:var(--brand-soft-2);border:1px solid var(--line);border-radius:999px;
  padding:12px 22px;transition:all .25s ease;
}
.stat-pill:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D5CCF3;}
.stat-pill .num{font-size:28px;font-weight:800;color:var(--brand);line-height:1;white-space:nowrap;}
.stat-pill .label{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.02em;}
.stat-pill .dot{width:8px;height:8px;border-radius:999px;background:var(--grad);flex:none;}

/* ============ 长文分节 + 粘性目录 ============ */
.doc-wrap{padding:88px 0 96px;}
.toc-col{position:sticky;top:96px;}
.toc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--sh);
}
.toc-card h3{font-size:15px;letter-spacing:.04em;color:var(--muted);font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.toc-card h3 i{color:var(--brand);}
.toc-card a{
  display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;
  font-size:15px;color:var(--muted);font-weight:500;transition:all .2s ease;border-left:3px solid transparent;
}
.toc-card a .idx{font-size:13px;font-weight:700;color:#B9B2D8;min-width:18px;}
.toc-card a:hover{background:var(--brand-soft-2);color:var(--brand);}
.toc-card a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700;border-left-color:var(--brand);}
.toc-card a.is-active .idx{color:var(--brand);}
.toc-cta{
  margin-top:18px;padding-top:18px;border-top:1px dashed #DCD7F0;display:flex;flex-direction:column;gap:10px;
}
.toc-cta .btn{width:100%;text-align:center;}

.doc-section{
  padding-bottom:56px;margin-bottom:56px;border-bottom:1px dashed #DCD7F0;
}
.doc-section:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.doc-section .sec-no{
  display:inline-flex;align-items:center;gap:10px;font-size:13px;font-weight:700;
  color:var(--brand);letter-spacing:.04em;margin-bottom:12px;
}
.doc-section .sec-no::before{content:"";width:26px;height:4px;border-radius:4px;background:var(--grad);}
.doc-section h2{position:relative;padding-left:16px;margin-bottom:18px;}
.doc-section h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad);
}
.doc-section p{color:var(--muted);font-size:17px;}
.doc-section p strong{color:var(--text);}
.media-row{display:flex;align-items:center;gap:28px;margin:26px 0 8px;}
.media-row.reverse{flex-direction:row-reverse;}
.media-row .figure-card{flex:1 1 46%;}
.media-row .text-side{flex:1 1 54%;}
.figure-card{margin:0;}
.figure-card img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-sm);
  border:1px solid var(--line);box-shadow:var(--sh);
}
.figure-card figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}

.check-list{margin:8px 0 0;display:grid;gap:10px;}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:16px;color:var(--muted);}
.check-list li i{color:var(--teal);margin-top:6px;font-size:13px;flex:none;}
.check-list li span strong{color:var(--text);}

.note-box{
  border-radius:var(--r-xs);padding:16px 20px;font-size:15px;margin:18px 0 0;
  display:flex;gap:12px;align-items:flex-start;
}
.note-box i{margin-top:5px;flex:none;}
.note-info{background:var(--teal-soft);color:#0E6F64;}
.note-info i{color:var(--teal);}
.note-warn{background:#FFF6E7;color:#8A5A12;}
.note-warn i{color:#E09B2D;}

/* ============ FAQ ============ */
.accordion-custom .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  box-shadow:var(--sh);margin-bottom:12px;overflow:hidden;
}
.accordion-custom .accordion-item:last-child{margin-bottom:0;}
.accordion-custom .accordion-button{
  position:relative;width:100%;text-align:left;background:#fff;color:var(--text);
  font-size:17px;font-weight:700;padding:20px 56px 20px 28px;border:0;border-radius:var(--r-md);
  box-shadow:none;transition:background .25s ease,color .25s ease;
}
.accordion-custom .accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.accordion-custom .accordion-button::after{
  content:"";position:absolute;right:26px;top:50%;width:12px;height:12px;
  border-right:2px solid currentColor;border-bottom:2px solid currentColor;
  transform:translateY(-70%) rotate(45deg);background-image:none;transition:transform .28s ease;
}
.accordion-custom .accordion-button:not(.collapsed){
  background:#F7F5FF;color:var(--brand);box-shadow:none;
}
.accordion-custom .accordion-button:not(.collapsed)::before{opacity:1;}
.accordion-custom .accordion-button:not(.collapsed)::after{transform:translateY(-30%) rotate(225deg);}
.accordion-custom .accordion-button:focus{outline:2px solid var(--teal);outline-offset:-3px;box-shadow:none;}
.accordion-custom .accordion-body{
  background:#F7F5FF;padding:0 28px 22px;color:var(--muted);font-size:16px;
}

/* ============ CTA 大卡 ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad-dark);color:#fff;padding:56px;box-shadow:var(--sh-dark);
}
.cta-card::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(138,99,255,.45),rgba(138,99,255,0) 68%);
}
.cta-card::after{
  content:"";position:absolute;width:320px;height:320px;left:-100px;bottom:-150px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,195,176,.38),rgba(20,195,176,0) 70%);
}
.cta-card .cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:28px;}
.cta-card h2{color:#fff;max-width:20em;}
.cta-card p{color:rgba(255,255,255,.78);margin:12px 0 0;font-size:16px;max-width:36em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.cta-badge{
  display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.cta-badge .num{font-size:24px;font-weight:800;color:var(--gold);line-height:1;}
.cta-badge .label{font-size:13px;color:rgba(255,255,255,.75);font-weight:600;}

/* ============ 页脚 ============ */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:0;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:15px;color:rgba(255,255,255,.68);max-width:30em;margin-bottom:20px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:40px;height:40px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.12);border:1px solid var(--dark-line);color:#fff;transition:all .22s ease;
}
.social-row a:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);color:#fff;}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.7);}
.footer-col ul li a{color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:#fff;}
.footer-col ul li i{color:var(--teal);margin-top:6px;font-size:13px;flex:none;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--dark-line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;
  background-image:var(--grad);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 14px 34px rgba(91,61,245,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#fff;transform:translateY(-3px);box-shadow:0 20px 42px rgba(91,61,245,.4);}
.float-cta:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}

.mobile-bar{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .doc-wrap{padding:72px 0 80px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .site-nav .nav-inner{min-height:60px;gap:12px;}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    background:rgba(20,16,46,.86);
    -webkit-backdrop-filter:blur(18px) saturate(150%);
    backdrop-filter:blur(18px) saturate(150%);
    border-bottom:1px solid rgba(255,255,255,.14);
    border-radius:0 0 var(--r-lg) var(--r-lg);
    padding:14px 18px 22px;box-shadow:var(--sh-dark);
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-list > li > a{padding:12px 14px;border-radius:14px;font-size:16px;}
  .dropdown-menu{
    position:static;display:block !important;background:transparent;border:0;box-shadow:none;
    padding:0 0 0 12px;margin:4px 0 8px;min-width:0;
  }
  .dropdown-item{color:rgba(255,255,255,.82);padding:10px 14px;}
  .dropdown-item:hover,.dropdown-item:focus{background:rgba(255,255,255,.12);color:#fff;}
  .dropdown-item.active{background:rgba(255,255,255,.16);color:#fff;}
  .site-nav .nav-actions .btn-brand{display:none;}
  .cat-hero{min-height:320px;padding:112px 0 44px;}
  .toc-col{position:static;margin-bottom:36px;}
  .media-row,.media-row.reverse{flex-direction:column;align-items:stretch;}
  .media-row .figure-card,.media-row .text-side{flex:1 1 auto;}
  .cta-card{padding:40px 28px;}
  .doc-wrap{padding:64px 0 72px;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.8;padding-bottom:calc(72px + env(safe-area-inset-bottom));}
  .section{padding:56px 0;}
  .cat-hero{padding:104px 0 38px;min-height:auto;}
  .stats-strip{padding:20px 0;}
  .stat-pill{flex:1 1 100%;}
  .doc-section{padding-bottom:40px;margin-bottom:40px;}
  .doc-section h2{font-size:22px;}
  .float-cta{display:none;}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:rgba(255,255,255,.95);
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    border-top:1px solid var(--line);
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    gap:12px;align-items:center;
  }
  .mobile-bar .btn-brand{flex:1;text-align:center;padding:12px 18px;font-size:15px;}
  .mobile-bar .to-top{
    width:46px;height:46px;flex:none;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--brand-soft);color:var(--brand);border:1px solid var(--line);
  }
  .footer-bottom{flex-direction:column;}
  .cta-card{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-card .cta-inner{gap:20px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:26px;}
  .doc-section p,body{font-size:16px;}
  .accordion-custom .accordion-button{font-size:16px;padding:16px 46px 16px 20px;}
  .accordion-custom .accordion-body{padding:0 20px 18px;font-size:15px;}
  .stat-pill{padding:10px 18px;}
  .stat-pill .num{font-size:24px;}
}

/* roulang page: article */
:root{
  --violet:#5B3DF5;
  --violet-light:#8A63FF;
  --violet-50:#EFEBFF;
  --violet-soft:#F4F1FF;
  --teal:#14C3B0;
  --teal-50:#E3F8F5;
  --gold:#FFC46B;
  --dark:#14102E;
  --dark-2:#221B4A;
  --ink:#2A2740;
  --muted:#6B6784;
  --line:#E7E4F5;
  --page:#F7F6FC;
  --card:#FFFFFF;
  --grad:linear-gradient(118deg,#5B3DF5 0%,#8A63FF 46%,#14C3B0 100%);
  --grad-dark:linear-gradient(160deg,#14102E 0%,#2C1F63 70%,#3A2A7A 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:18px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(20,16,46,.08);
  --sh-hover:0 18px 48px rgba(91,61,245,.18);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
  --font:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Source Han Sans SC,system-ui,Segoe UI,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--violet);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--violet-light);}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:.005em;}
p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container,.container-lg,.container-md,.container-sm{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1320px;}}
.top-anchor{display:block;height:0;}

/* ---------- 按钮 ---------- */
.btn{border-radius:var(--r-pill);font-weight:700;font-size:15px;padding:13px 26px;border:1px solid transparent;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease;--bs-btn-focus-box-shadow:none;}
.btn-brand{background-image:var(--grad);background-size:170% 170%;background-position:0 50%;color:#fff;box-shadow:0 10px 26px rgba(91,61,245,.28);}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);box-shadow:0 16px 36px rgba(91,61,245,.36);background-position:100% 50%;}
.btn-brand:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(91,61,245,.3);}
.btn-brand:focus-visible{outline:2px solid var(--teal);outline-offset:3px;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{background:#F4F1FF;color:var(--ink);border-color:#F4F1FF;transform:translateY(-2px);}
.btn-outline-ink{background:transparent;border:1px solid #D9D3F2;color:var(--ink);}
.btn-outline-ink:hover{background:var(--violet-soft);color:var(--violet);border-color:#CFC6F5;transform:translateY(-2px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--violet);position:relative;}
.text-link::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background-image:var(--grad);transition:width .25s ease;}
.text-link:hover::after{width:100%;}
.text-link i{transition:transform .25s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge-pill{display:inline-flex;align-items:center;gap:6px;border-radius:var(--r-pill);padding:6px 14px;font-size:13px;font-weight:600;letter-spacing:.04em;background:var(--violet-50);color:var(--violet);border:1px solid #DDD5FA;}
.badge-grad{background-image:var(--grad);color:#fff;border:none;}
.badge-data{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:var(--r-pill);padding:10px 18px;color:#fff;}
.badge-data .num{font-size:20px;font-weight:700;letter-spacing:-.01em;}
.badge-data .lbl{font-size:13px;color:rgba(255,255,255,.72);}
.badge-data .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);}

/* ---------- 导航 ---------- */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(20,16,46,.3);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 6px 22px rgba(20,16,46,.16);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;}
.brand:hover{color:#fff;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:.02em;}
.brand-divider{width:1px;height:18px;background:rgba(255,255,255,.4);border-radius:1px;}
.brand-sub{font-size:13px;font-weight:600;opacity:.9;}
.nav-menu{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:24px;list-style:none;}
.nav-list a{display:inline-block;padding:6px 2px;color:rgba(255,255,255,.86);font-size:15px;font-weight:600;position:relative;}
.nav-list a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background-image:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;}
.nav-list a:hover{color:#fff;}
.nav-list a:hover::after,.nav-list a.active::after{transform:scaleX(1);}
.nav-list a.active{color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);transition:.22s;}
.icon-btn:hover{background:rgba(255,255,255,.24);color:#fff;}
.nav-toggle{width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;padding:0;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;}
.site-nav.is-stuck{background:rgba(255,255,255,.92);border-bottom-color:transparent;box-shadow:0 6px 24px rgba(20,16,46,.1);}
.site-nav.is-stuck .brand,.site-nav.is-stuck .brand:hover,.site-nav.is-stuck .nav-list a{color:var(--ink);}
.site-nav.is-stuck .brand-divider{background:#D9D3F2;}
.site-nav.is-stuck .nav-list a:hover,.site-nav.is-stuck .nav-list a.active{color:var(--violet);}
.site-nav.is-stuck .icon-btn{color:var(--violet);background:var(--violet-soft);border-color:#DDD5FA;}
.nav-mobile-cta{display:none;}
@media (max-width:991.98px){
  .nav-inner{height:60px;gap:10px;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:11.5px;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .icon-btn{display:none;}
  .nav-actions .btn{display:none;}
  .nav-menu.collapse{position:fixed;top:60px;left:0;right:0;margin:0;padding:16px 20px 24px;background:rgba(20,16,46,.95);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.14);max-height:calc(100vh - 60px);overflow-y:auto;}
  .nav-menu.collapse.show,.nav-menu.collapse.collapsing{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list a{padding:14px 2px;font-size:16px;border-bottom:1px solid rgba(255,255,255,.1);}
  .nav-list a::after{display:none;}
  .nav-mobile-cta{display:block;margin-top:18px;}
  body.nav-open{overflow:hidden;}
}
@media (min-width:992px){
  .nav-menu.collapse{display:block !important;height:auto !important;}
}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;padding:140px 0 64px;color:#fff;overflow:hidden;
  background:linear-gradient(160deg,rgba(20,16,46,.95) 0%,rgba(44,31,99,.92) 62%,rgba(58,42,122,.9) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.article-hero .container{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:24px;}
.crumbs a{color:rgba(255,255,255,.72);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{color:rgba(255,255,255,.32);}
.crumbs .cur{color:rgba(255,255,255,.55);max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:inline-block;vertical-align:bottom;}
.article-hero h1{color:#fff;font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.25;margin:18px 0 22px;max-width:22em;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:rgba(255,255,255,.68);}
.meta-row i{color:var(--teal);margin-right:6px;}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.32);}

/* ---------- 主体 ---------- */
.main-wrap{padding:72px 0 88px;}
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:40px 42px;box-shadow:var(--sh);font-size:17px;line-height:1.85;color:var(--ink);
  max-width:780px;
}
.article-body > * + *{margin-top:1.4em;}
.article-body h2{position:relative;font-size:clamp(22px,2.6vw,28px);font-weight:700;line-height:1.35;margin-top:40px;padding-left:16px;scroll-margin-top:110px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:.95em;border-radius:3px;background-image:var(--grad);}
.article-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-top:28px;scroll-margin-top:110px;}
.article-body p{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:24px;}
.article-body li{margin-bottom:8px;line-height:1.9;}
.article-body li::marker{color:var(--violet);}
.article-body blockquote{background:var(--violet-soft);border-left:4px solid var(--violet);border-radius:12px;padding:18px 22px;color:#4A4570;margin:24px 0;}
.article-body blockquote p{margin:0;}
.article-body img{border-radius:var(--r-md);margin:24px auto;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;}
.article-body a{color:var(--violet);border-bottom:1px solid rgba(91,61,245,.3);}
.article-body a:hover{color:var(--violet-light);border-bottom-color:var(--violet-light);}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;margin:24px 0;font-size:15px;}
.article-body th{background:var(--dark);color:#fff;font-weight:600;text-align:left;padding:13px 16px;}
.article-body td{padding:13px 16px;border-top:1px solid var(--line);color:#3B3757;}
.article-body tbody tr:nth-child(even) td{background:#FAF9FE;}
.article-body code{background:var(--violet-soft);color:var(--violet);border-radius:8px;padding:2px 7px;font-size:.92em;}
.article-empty{text-align:center;padding:26px 8px 10px;}
.article-empty i{font-size:38px;color:var(--violet-light);margin-bottom:16px;display:inline-block;}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:12px;}
.article-empty p{color:var(--muted);font-size:15.5px;max-width:520px;margin:0 auto 22px;}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;box-shadow:var(--sh);}
.toc-card summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;font-size:16px;font-weight:700;color:var(--ink);}
.toc-card summary::-webkit-details-marker{display:none;}
.toc-card summary::after{content:"＋";color:var(--violet);font-size:16px;font-weight:600;}
.toc-card[open] summary::after{content:"－";}
.toc-list{list-style:none;margin:14px 0 0;padding:0;}
.toc-list li{margin-bottom:6px;}
.toc-list a{display:block;font-size:14.5px;color:var(--muted);padding:9px 12px;border-radius:10px;border-left:3px solid transparent;transition:.2s;}
.toc-list a:hover{background:var(--violet-soft);color:var(--violet);}
.toc-list a.active{background:var(--violet-soft);color:var(--violet);font-weight:600;border-left-color:var(--violet);}
.toc-empty{display:none;font-size:13.5px;color:var(--muted);margin-top:12px;}
.side-title{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-title i{color:var(--violet);}
.mini-list{list-style:none;}
.mini-list li + li{margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);}
.mini-list a{display:block;font-size:14.5px;font-weight:600;color:var(--ink);line-height:1.6;margin-bottom:6px;}
.mini-list a:hover{color:var(--violet);}
.mini-list span{font-size:12.5px;color:var(--muted);}
.side-cta{background-image:var(--grad);color:#fff;border:none;box-shadow:0 14px 34px rgba(91,61,245,.24);}
.side-cta .side-title{color:#fff;}
.side-cta .side-title i{color:var(--gold);}
.side-cta p{font-size:14px;color:rgba(255,255,255,.86);margin-bottom:16px;}
.side-cta .btn{width:100%;background:#fff;color:var(--violet);box-shadow:none;}
.side-cta .btn:hover{background:#F4F1FF;color:var(--violet);}
@media (min-width:992px){
  .toc-card summary{cursor:default;}
  .toc-card summary::after{display:none;}
}

/* ---------- 底部信息 ---------- */
.article-foot{margin-top:32px;max-width:780px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.tag-row a{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--violet);background:var(--violet-50);border:1px solid #DDD5FA;border-radius:var(--r-pill);padding:8px 16px;}
.tag-row a:hover{background:var(--violet);color:#fff;border-color:var(--violet);}
.block-head{margin-bottom:20px;}
.block-head h2{font-size:clamp(22px,3vw,28px);font-weight:700;line-height:1.3;}
.block-head p{margin-top:8px;font-size:15px;color:var(--muted);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:36px 0 26px;}
.post-nav a{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);padding:18px 20px;box-shadow:var(--sh);transition:.25s;}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D9D3F2;}
.pn-label{display:block;font-size:13px;color:var(--muted);margin-bottom:8px;}
.pn-title{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;}
.post-nav .next{text-align:right;}
.back-row{margin-top:6px;}

/* 列表卡 */
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#DCD4F7;}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background-image:var(--grad);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.03);}
.post-card .thumb .badge-pill{position:absolute;left:14px;top:14px;background-image:var(--grad);color:#fff;border:none;}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{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 h3 a{color:var(--ink);}
.post-card h3 a:hover{color:var(--violet);}
.post-card p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.post-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
@media (max-width:767.98px){.card-grid{grid-template-columns:1fr;}}

/* CTA 大卡 */
.cta-section{padding:0 0 88px;}
.cta-card{position:relative;border-radius:28px;padding:52px 48px;color:#fff;overflow:hidden;background:var(--grad-dark);box-shadow:0 20px 50px rgba(20,16,46,.24);}
.cta-card::after{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(20,195,176,.4) 0%,rgba(20,195,176,0) 70%);}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{color:#fff;font-size:clamp(22px,3.2vw,30px);font-weight:700;line-height:1.35;max-width:22em;}
.cta-inner p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.76);max-width:34em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media (max-width:767.98px){.cta-card{padding:34px 24px;border-radius:22px;}.cta-actions .btn{width:100%;text-align:center;}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);padding:72px 0 0;}
.site-footer .brand{color:#fff;}
.footer-brand p{margin:18px 0 20px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.66);max-width:34em;}
.social-row{display:flex;gap:12px;}
.social-row a{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:#fff;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);transition:.22s;}
.social-row a:hover{background-image:var(--grad);border-color:transparent;transform:translateY(-2px);color:#fff;}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.7);display:flex;gap:10px;align-items:flex-start;}
.footer-col li i{color:var(--teal);margin-top:6px;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;}
.footer-bottom{margin-top:56px;border-top:1px solid rgba(255,255,255,.14);padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- 浮动 CTA ---------- */
.float-bar{position:fixed;right:28px;bottom:28px;z-index:1040;display:flex;align-items:center;gap:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .28s ease,transform .28s ease,visibility .28s;}
.float-bar.is-on{opacity:1;visibility:visible;transform:none;}
.float-main{display:none;}
.float-top{display:inline-flex;align-items:center;gap:8px;padding:14px 22px;border-radius:var(--r-pill);color:#fff;font-size:14px;font-weight:700;background-image:var(--grad);box-shadow:0 10px 30px rgba(91,61,245,.35);}
.float-top:hover{color:#fff;transform:translateY(-2px);}
@media (max-width:767.98px){
  body{padding-bottom:64px;}
  .float-bar{left:0;right:0;bottom:0;padding:8px 14px calc(8px + env(safe-area-inset-bottom));background:rgba(20,16,46,.96);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-top:1px solid rgba(255,255,255,.14);transform:translateY(100%);gap:12px;}
  .float-bar.is-on{transform:none;}
  .float-main{display:inline-flex;align-items:center;justify-content:center;flex:1;height:44px;border-radius:var(--r-pill);background-image:var(--grad);color:#fff;font-size:15px;font-weight:700;}
  .float-main:hover{color:#fff;}
  .float-top{width:48px;height:44px;padding:0;justify-content:center;background:#fff;color:var(--violet);box-shadow:none;}
  .float-top .ft-text{display:none;}
  .float-top i{font-size:16px;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-body{padding:34px;max-width:100%;}
  .article-foot{max-width:100%;}
}
@media (max-width:991.98px){
  .main-wrap{padding:56px 0 68px;}
  .article-hero{padding:112px 0 48px;}
  .sidebar{position:static;margin-top:28px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.8;}
  .article-body{padding:24px;border-radius:var(--r-sm);}
  .article-hero h1{margin:14px 0 18px;}
  .cta-section{padding-bottom:64px;}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;}
  .site-footer{padding-top:56px;}
  .footer-bottom{margin-top:36px;flex-direction:column;}
}
@media (max-width:575.98px){
  .article-body{padding:20px;border-radius:16px;font-size:16px;}
  .cta-card{border-radius:20px;}
  .card-grid{grid-template-columns:1fr;}
  .meta-row{gap:10px;font-size:12.5px;}
}

/* roulang page: category3 */
:root{
  --brand:#5B3DF5;
  --brand-light:#8A63FF;
  --brand-soft:#EFEBFF;
  --brand-tint:#F4F1FF;
  --cyan:#14C3B0;
  --cyan-soft:#E3F8F5;
  --gold:#FFC46B;
  --ink-900:#14102E;
  --ink-800:#221B4A;
  --ink:#2A2740;
  --muted:#6B6784;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E7E4F5;
  --grad:linear-gradient(118deg,#5B3DF5 0%,#8A63FF 46%,#14C3B0 100%);
  --grad-dark:linear-gradient(160deg,#14102E 0%,#2C1F63 70%,#3A2A7A 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:18px;
  --sh:0 8px 24px rgba(20,16,46,.08);
  --sh-hover:0 18px 48px rgba(91,61,245,.18);
  --sh-dark:0 10px 30px rgba(0,0,0,.25);
  --nav-h:72px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-light);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;}

.container{width:100%;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto;}
@media (min-width:1200px){.container{max-width:1200px;}}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- 导航 ---------- */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1035;
  height:var(--nav-h);
  background:rgba(20,16,46,.28);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 6px 24px rgba(0,0,0,.12);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease,height .25s ease;
}
.site-nav .nav-inner{display:flex;align-items:center;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;}
.brand:hover{color:#fff;}
.brand-main{font-size:19px;font-weight:800;line-height:1;}
.brand-divider{width:1px;height:16px;background:rgba(255,255,255,.42);display:inline-block;}
.brand-sub{font-size:13px;font-weight:600;letter-spacing:.02em;opacity:.88;line-height:1;}
.nav-menu{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{
  display:inline-block;padding:8px 13px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:rgba(255,255,255,.84);
  transition:color .2s ease,background .2s ease;
}
.nav-list a:hover,.nav-list a.active{color:#fff;background:rgba(255,255,255,.14);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:18px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.3);
  transition:.25s ease;
}
.icon-btn:hover{color:#fff;background:rgba(255,255,255,.16);}
.nav-toggle{
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.32);background:transparent;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:#fff;}
.site-nav.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(18px) saturate(150%);
  backdrop-filter:blur(18px) saturate(150%);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(20,16,46,.10);
}
.site-nav.is-stuck .brand{color:var(--ink);}
.site-nav.is-stuck .brand:hover{color:var(--brand);}
.site-nav.is-stuck .brand-divider{background:var(--line);}
.site-nav.is-stuck .nav-list a{color:var(--muted);}
.site-nav.is-stuck .nav-list a:hover,
.site-nav.is-stuck .nav-list a.active{color:var(--brand);background:var(--brand-soft);}
.site-nav.is-stuck .icon-btn{color:var(--ink);border-color:var(--line);}
.site-nav.is-stuck .icon-btn:hover{background:var(--brand-soft);color:var(--brand);}
.site-nav.is-stuck .nav-toggle{border-color:var(--line);}
.site-nav.is-stuck .nav-toggle span{background:var(--ink);}

/* ---------- 按钮 ---------- */
.btn{border-radius:999px;font-weight:700;transition:transform .22s ease,box-shadow .22s ease,background-position .35s ease,color .2s ease,border-color .2s ease;}
.btn-brand{
  background:var(--grad);background-size:170% 100%;background-position:0 0;
  color:#fff;border:0;padding:14px 28px;
  box-shadow:0 10px 26px rgba(91,61,245,.28);
}
.btn-brand:hover,.btn-brand:focus{color:#fff;transform:translateY(-2px);background-position:100% 0;box-shadow:0 16px 38px rgba(91,61,245,.36);}
.btn-brand:active{transform:translateY(1px);}
.btn-brand.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn-ghost{
  background:transparent;border:1px solid #D9D3F2;color:var(--ink);padding:13px 26px;
}
.btn-ghost:hover{background:var(--brand-tint);color:var(--brand);border-color:#CFC6F5;}
.btn-ghost-light{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.5);color:#fff;padding:13px 26px;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.8);}
.text-link{font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:8px;position:relative;color:var(--brand);}
.text-link i{transition:transform .25s ease;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);padding:calc(var(--nav-h) + 68px) 0 76px;}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;}
.page-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(20,16,46,.93) 0%,rgba(44,31,99,.88) 62%,rgba(58,42,122,.82) 100%),
             linear-gradient(118deg,rgba(91,61,245,.30) 0%,rgba(20,195,176,.18) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.5;}
.crumbs .current{color:rgba(255,255,255,.6);}
.page-hero h1{
  color:#fff;font-size:clamp(28px,5vw,46px);font-weight:800;line-height:1.25;max-width:820px;
}
.hero-sub{color:rgba(255,255,255,.78);font-size:17px;margin-top:18px;max-width:660px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px;}
.data-badge{
  display:inline-flex;align-items:baseline;gap:10px;
  padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.data-badge .num{font-size:22px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1;}
.data-badge .num::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--gold);margin-right:8px;vertical-align:middle;}
.data-badge .lbl{font-size:13px;color:rgba(255,255,255,.76);font-weight:600;}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section.alt{background:#fff;}
.section-head{max-width:720px;margin-bottom:52px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;}
.section-head p{color:var(--muted);font-size:16px;margin-top:14px;}
.grad-divider{height:2px;border-radius:2px;background:var(--grad);opacity:.85;margin-top:34px;}

/* ---------- 排查卡片网格 ---------- */
.prob-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.prob-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;
}
.prob-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D9D3F2;}
.prob-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--grad);}
.prob-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.prob-card:hover .prob-media img{transform:scale(1.03);}
.prob-tag{
  position:absolute;left:14px;top:14px;
  background:var(--grad);color:#fff;font-size:12.5px;font-weight:700;
  padding:6px 13px;border-radius:999px;box-shadow:0 6px 16px rgba(20,16,46,.22);
}
.prob-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.prob-body h3{font-size:20px;line-height:1.45;}
.prob-body .desc{color:var(--muted);font-size:15px;margin-top:10px;}
.tick-list{margin:18px 0 22px;display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:50%;
  background:var(--grad);opacity:.9;
}
.tick-list li::after{
  content:"";position:absolute;left:4px;top:13px;width:4px;height:4px;border-radius:50%;background:#fff;
}
.prob-body .text-link{margin-top:auto;}

/* ---------- 对照表 ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;overflow:hidden;
  box-shadow:var(--sh);
}
.table-scroll{overflow-x:auto;}
.cmp-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;}
.cmp-table thead th{
  background:var(--ink-800);color:#fff;font-size:14px;font-weight:700;
  padding:16px 20px;text-align:left;white-space:nowrap;
}
.cmp-table thead th:first-child{border-top-left-radius:0;}
.cmp-table tbody td{
  padding:16px 20px;font-size:15px;color:var(--ink);
  border-bottom:1px solid var(--line);vertical-align:top;background:#fff;
  transition:background .2s ease;
}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover td{background:#F7F5FF;}
.cmp-table tbody td:first-child{
  position:sticky;left:0;z-index:2;font-weight:700;color:var(--ink-800);white-space:nowrap;
  box-shadow:1px 0 0 var(--line);
}
.cmp-table tbody tr:hover td:first-child{background:#F7F5FF;}
.cmp-table .time{font-variant-numeric:tabular-nums;color:var(--brand);font-weight:700;white-space:nowrap;}
.table-note{font-size:14px;color:var(--muted);margin-top:16px;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start;}
.faq-side h2{font-size:clamp(24px,3.4vw,34px);line-height:1.3;}
.faq-side p{color:var(--muted);font-size:15.5px;margin-top:16px;}
.faq-side .btn{margin-top:26px;}
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh);
}
.faq-acc .accordion-item:last-child{margin-bottom:0;}
.faq-acc .accordion-button{
  position:relative;background:#fff;color:var(--ink);
  font-size:17px;font-weight:700;line-height:1.5;
  padding:20px 62px 20px 24px;box-shadow:none;border-radius:var(--r-md);
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-button::before{
  content:"";position:absolute;left:0;top:22%;bottom:22%;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-button::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;margin:0;background-image:none;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--brand-soft);color:var(--brand);
  font-size:17px;font-weight:700;line-height:1;
  transition:background .25s ease,color .25s ease;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";background:var(--grad);color:#fff;}
.faq-acc .accordion-body{
  background:#F7F5FF;color:var(--ink);font-size:15.5px;line-height:1.85;
  padding:20px 28px;border-top:1px solid var(--line);
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 96px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--grad-dark);
  padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:36px;align-items:center;
  box-shadow:var(--sh-dark);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,195,176,.38) 0%,rgba(20,195,176,0) 68%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:clamp(22px,2.8vw,30px);line-height:1.35;}
.cta-card p{color:rgba(255,255,255,.76);font-size:15.5px;margin-top:14px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--grad-dark);color:rgba(255,255,255,.78);padding:0 0 28px;}
.footer-cta-wrap{padding-top:86px;}
.footer-cta{
  border-radius:28px;padding:40px 44px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);
  gap:28px;align-items:center;
}
.footer-cta h2{color:#fff;font-size:clamp(21px,2.6vw,28px);line-height:1.35;}
.footer-cta p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;}
.footer-cta .actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
.footer-top{padding:72px 0 44px;border-bottom:1px solid rgba(255,255,255,.14);}
.site-footer .brand{color:#fff;}
.site-footer .brand-divider{background:rgba(255,255,255,.35);}
.footer-brand p{font-size:15px;color:rgba(255,255,255,.7);margin-top:18px;max-width:360px;}
.social-row{display:flex;gap:12px;margin-top:22px;}
.social-row a{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.05);
  transition:.25s ease;
}
.social-row a:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul li{font-size:14.5px;color:rgba(255,255,255,.7);display:flex;align-items:flex-start;gap:10px;}
.footer-col ul li i{color:var(--cyan);margin-top:5px;font-size:13px;}
.footer-col ul li a{color:rgba(255,255,255,.7);}
.footer-col ul li a:hover{color:#fff;}
.footer-bottom{
  padding-top:22px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 浮动按钮 ---------- */
.float-top{
  position:fixed;right:26px;bottom:26px;z-index:1040;
  width:52px;height:52px;border-radius:50%;
  background:var(--grad);color:#fff;border:0;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 30px rgba(91,61,245,.36);
  opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease;
}
.float-top.show{opacity:1;pointer-events:auto;}
.float-top:hover{transform:translateY(-3px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .faq-layout{gap:36px;}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  :root{--nav-h:60px;}
  .site-nav{height:var(--nav-h);}
  .site-nav .nav-inner{height:var(--nav-h);}
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-menu{
    position:fixed;top:calc(var(--nav-h) + 10px);left:14px;right:14px;
    background:rgba(20,16,46,.96);
    -webkit-backdrop-filter:blur(18px) saturate(150%);
    backdrop-filter:blur(18px) saturate(150%);
    border:1px solid rgba(255,255,255,.14);
    border-radius:20px;padding:10px 16px 18px;
    box-shadow:0 24px 50px rgba(0,0,0,.38);
    max-height:calc(100vh - var(--nav-h) - 30px);overflow-y:auto;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-list a,
  .site-nav.is-stuck .nav-list a{color:rgba(255,255,255,.86);padding:13px 4px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.08);}
  .nav-list a:hover,
  .site-nav.is-stuck .nav-list a:hover{color:#fff;background:transparent;}
  .nav-list li:last-child a{border-bottom:0;}
  .nav-actions{margin-left:14px;gap:8px;}
  .nav-actions .btn-brand{padding:9px 16px;font-size:13.5px;}
  .icon-btn{width:38px;height:38px;}
  .page-hero{padding:calc(var(--nav-h) + 52px) 0 64px;}
  .section{padding:72px 0;}
  .prob-grid{grid-template-columns:1fr;gap:16px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .cta-card{grid-template-columns:1fr;padding:40px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-cta{grid-template-columns:1fr;padding:32px 28px;}
  .footer-cta .actions{justify-content:flex-start;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .badge-row{gap:10px;margin-top:26px;}
  .data-badge{padding:8px 14px;}
  .data-badge .num{font-size:19px;}
  .prob-body{padding:20px 20px 22px;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 56px 18px 20px;}
  .faq-acc .accordion-body{padding:18px 20px;}
  .footer-cta-wrap{padding-top:64px;}
  .footer-top{padding:56px 0 36px;}
  .float-top{right:16px;bottom:16px;width:46px;height:46px;}
  .cta-card{padding:34px 24px;border-radius:22px;}
  .footer-cta{border-radius:22px;}
}
@media (max-width:575.98px){
  body{font-size:16px;line-height:1.8;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .page-hero{padding-top:calc(var(--nav-h) + 40px);}
  .brand-sub{display:none;}
  .brand-divider{display:none;}
  .section-head{margin-bottom:34px;}
  .prob-grid{gap:14px;}
  .prob-card{border-radius:var(--r-sm);}
  .table-wrap{border-radius:var(--r-sm);}
  .faq-acc .accordion-item{border-radius:var(--r-sm);}
  .faq-acc .accordion-button{border-radius:var(--r-sm);font-size:15.5px;}
  .cmp-table tbody td,.cmp-table thead th{padding:13px 15px;font-size:14px;}
}

/* roulang page: category2 */
:root{
  --brand-1:#5B3DF5;
  --brand-2:#8A63FF;
  --brand-3:#14C3B0;
  --purple-050:#EFEBFF;
  --purple-100:#F4F1FF;
  --purple-soft:#F7F5FF;
  --teal-050:#E3F8F5;
  --gold:#FFC46B;
  --ink-900:#14102E;
  --ink-800:#221B4A;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E7E4F5;
  --text:#2A2740;
  --muted:#6B6784;
  --grad-brand:linear-gradient(118deg,#5B3DF5 0%,#8A63FF 46%,#14C3B0 100%);
  --grad-dark:linear-gradient(160deg,#14102E 0%,#2C1F63 70%,#3A2A7A 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:18px;
  --shadow-1:0 8px 24px rgba(20,16,46,.08);
  --shadow-2:0 18px 48px rgba(91,61,245,.18);
  --shadow-dark:0 10px 30px rgba(0,0,0,.25);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-1);text-decoration:none;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;border-radius:6px;}
.num,.stat-num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1400px){.container{max-width:1320px;}}

.section{padding:96px 0;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:700;line-height:1.3;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:17px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--brand-1);background:var(--purple-050);padding:6px 14px;border-radius:999px;margin-bottom:16px;}

/* ============ 导航 ============ */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(20,16,46,.28);
  -webkit-backdrop-filter:blur(16px) saturate(150%);
  backdrop-filter:blur(16px) saturate(150%);
  border-bottom:1px solid rgba(255,255,255,.16);
  box-shadow:0 6px 24px rgba(20,16,46,.12);
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-nav .nav-inner{display:flex;align-items:center;gap:20px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex:0 0 auto;}
.brand:hover{color:#fff;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.02em;line-height:1;}
.brand-divider{width:1px;height:18px;background:currentColor;opacity:.45;}
.brand-sub{font-size:13px;font-weight:600;opacity:.92;line-height:1;white-space:nowrap;}
.nav-menu{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-list a{
  display:block;padding:8px 13px;border-radius:999px;
  font-size:15px;font-weight:500;color:rgba(255,255,255,.88);
  transition:background .2s ease,color .2s ease;
}
.nav-list a:hover{background:rgba(255,255,255,.14);color:#fff;}
.nav-list a.active{background:rgba(255,255,255,.18);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  color:#fff;border:1px solid rgba(255,255,255,.32);
  transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.6);}
.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:40px;padding:0 10px;background:transparent;border:0;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#fff;transition:background .25s ease;}

.site-nav.is-stuck{
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(20,16,46,.10);
}
.site-nav.is-stuck .brand{color:var(--text);}
.site-nav.is-stuck .nav-list a{color:var(--muted);}
.site-nav.is-stuck .nav-list a:hover{background:var(--purple-050);color:var(--brand-1);}
.site-nav.is-stuck .nav-list a.active{background:var(--purple-050);color:var(--brand-1);}
.site-nav.is-stuck .icon-btn{color:var(--text);border-color:var(--line);}
.site-nav.is-stuck .icon-btn:hover{background:var(--purple-050);border-color:#C9BEFA;}
.site-nav.is-stuck .nav-toggle span{background:var(--text);}

/* ============ 按钮 ============ */
.btn{border-radius:999px;font-weight:600;font-size:16px;line-height:1.4;border:0;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,background-position .3s ease,color .2s ease;}
.btn-brand{
  background:var(--grad-brand);background-size:160% 100%;color:#fff;
  padding:14px 28px;box-shadow:0 10px 26px rgba(91,61,245,.28);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,61,245,.34);background-position:100% 0;}
.btn-brand:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(91,61,245,.28);}
.btn-brand:focus-visible{outline:2px solid var(--brand-3);outline-offset:3px;}
.btn-ghost{
  background:transparent;border:1px solid rgba(255,255,255,.5);color:#fff;padding:13px 26px;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.85);transform:translateY(-2px);}
.btn-soft{
  background:#fff;border:1px solid #D9D3F2;color:var(--brand-1);padding:13px 26px;
}
.btn-soft:hover{background:var(--purple-050);color:var(--brand-1);border-color:#C9BEFA;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}

.link-more{
  display:inline-block;font-weight:600;font-size:15px;color:var(--brand-1);
  padding-bottom:2px;
  background-image:var(--grad-brand);background-size:0 2px;background-position:0 100%;
  background-repeat:no-repeat;transition:background-size .25s ease;
}
.link-more:hover{color:var(--brand-1);background-size:100% 2px;}
.link-more i{margin-left:6px;transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 徽章 ============ */
.badge-chip{
  display:inline-flex;align-items:center;gap:8px;
  border-radius:999px;padding:8px 16px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.badge-glass{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);color:#fff;}
.badge-soft{background:var(--purple-050);border:1px solid #DFD7FB;color:var(--brand-1);}
.badge-gold{background:rgba(255,196,107,.18);border:1px solid rgba(255,196,107,.45);color:#8A5B00;}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:10px;
  border-radius:999px;padding:10px 20px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}
.stat-chip .n{font-size:26px;font-weight:700;line-height:1;font-variant-numeric:tabular-nums;}
.stat-chip .t{font-size:13px;font-weight:500;opacity:.82;letter-spacing:.02em;white-space:nowrap;}
.stat-chip .dot{width:7px;height:7px;border-radius:50%;background:var(--gold);flex:0 0 auto;}

/* ============ 顶部横幅 ============ */
.hero-banner{
  position:relative;min-height:380px;
  padding:150px 0 78px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero-banner::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,46,.88) 0%,rgba(20,16,46,.72) 42%,rgba(44,31,99,.9) 100%);
}
.hero-banner::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(91,61,245,.18) 0%,rgba(20,195,176,.1) 100%);
  pointer-events:none;
}
.hero-banner .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.crumb .now{color:rgba(255,255,255,.66);}
.hero-banner .stat-row{margin-bottom:26px;}
.hero-banner h1{
  color:#fff;font-size:clamp(28px,5vw,44px);font-weight:800;line-height:1.25;
  max-width:840px;margin-bottom:18px;
}
.hero-banner h1 em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{color:rgba(255,255,255,.82);font-size:17px;max-width:640px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding:10px 0 0;}
.timeline::before{
  content:'';position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(91,61,245,0) 0%,#8A63FF 6%,#14C3B0 94%,rgba(20,195,176,0) 100%);
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;column-gap:64px;margin-bottom:44px;}
.tl-item .tl-card{grid-column:1;}
.tl-item:nth-child(even) .tl-card{grid-column:2;}
.tl-dot{
  position:absolute;left:50%;top:26px;transform:translateX(-50%);
  width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  border:4px solid #fff;box-shadow:0 10px 24px rgba(91,61,245,.28);
  z-index:2;
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--shadow-1);
  transition:transform .28s ease,box-shadow .28s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.tl-figure{border-radius:var(--r-sm);overflow:hidden;background:var(--grad-brand);margin-bottom:20px;}
.tl-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.tl-card:hover .tl-figure img{transform:scale(1.03);}
.tl-tag{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand-3);background:var(--teal-050);border-radius:999px;padding:5px 13px;margin-bottom:12px;
}
.tl-body h3{font-size:20px;font-weight:700;line-height:1.45;margin-bottom:10px;}
.tl-body p{color:var(--muted);font-size:15.5px;line-height:1.8;margin-bottom:14px;}
.tl-points li{position:relative;padding-left:20px;color:var(--text);font-size:14.5px;line-height:1.75;margin-bottom:6px;}
.tl-points li::before{
  content:'';position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;
  background:var(--grad-brand);
}
.tl-final{grid-template-columns:1fr;}
.tl-final .tl-card{grid-column:1 / -1;}
.done-card{
  background:var(--grad-dark);border:1px solid rgba(255,255,255,.14);border-radius:28px;
  padding:40px;color:#fff;box-shadow:var(--shadow-dark);
  position:relative;overflow:hidden;
}
.done-card::after{
  content:'';position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(20,195,176,.35),rgba(20,195,176,0) 70%);
}
.done-card h3{color:#fff;font-size:24px;font-weight:700;margin-bottom:12px;}
.done-card p{color:rgba(255,255,255,.78);font-size:16px;max-width:760px;}
.done-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0 30px;}
.done-list li{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:18px 20px;font-size:15px;color:rgba(255,255,255,.9);
}
.done-list li i{color:var(--gold);margin-right:8px;}

/* ============ 自检清单 ============ */
.check-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.check-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);margin-top:28px;}
.check-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list li{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:20px 22px;margin-bottom:14px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.check-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-1);border-color:#D8CFFB;}
.check-list .ck-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--purple-050);color:var(--brand-1);font-size:16px;
}
.check-list li:nth-child(even) .ck-icon{background:var(--teal-050);color:#0E8F81;}
.check-list h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.check-list p{color:var(--muted);font-size:14.5px;line-height:1.75;margin:0;}

/* ============ FAQ ============ */
.faq-side .quick-list{margin-bottom:26px;}
.faq-side .quick-list a{
  display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500;color:var(--text);
  padding:12px 0;border-bottom:1px dashed var(--line);transition:color .2s ease,padding-left .2s ease;
}
.faq-side .quick-list a:hover{color:var(--brand-1);padding-left:6px;}
.faq-side .quick-list a i{color:var(--brand-3);font-size:13px;}
.faq-accordion .accordion-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
}
.faq-accordion .accordion-button{
  position:relative;width:100%;background:transparent;border:0;box-shadow:none;
  padding:20px 56px 20px 28px;
  font-size:17px;font-weight:600;color:var(--text);text-align:left;line-height:1.5;
}
.faq-accordion .accordion-button::before{
  content:'';position:absolute;left:0;top:16px;bottom:16px;width:4px;border-radius:0 4px 4px 0;
  background:var(--grad-brand);opacity:0;transition:opacity .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-1);background:var(--purple-soft);}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button::after{
  content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;background-image:none;margin:0;
  font-size:22px;font-weight:400;line-height:1;color:var(--brand-1);
  transition:transform .25s ease;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(45deg);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-3);outline-offset:-2px;}
.faq-accordion .accordion-body{
  background:var(--purple-soft);padding:20px 28px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;
}

/* ============ CTA 卡 ============ */
.cta-card{
  background:var(--grad-dark);border-radius:28px;padding:48px;
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  box-shadow:var(--shadow-dark);position:relative;overflow:hidden;
}
.cta-card::before{
  content:'';position:absolute;left:-80px;bottom:-100px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(91,61,245,.42),rgba(91,61,245,0) 70%);
}
.cta-card .cta-text{position:relative;z-index:2;}
.cta-card h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.78);font-size:16px;max-width:640px;}
.cta-actions{display:flex;flex-direction:column;gap:14px;position:relative;z-index:2;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-dark);color:rgba(255,255,255,.74);
  padding:80px 0 0;margin-top:0;position:relative;
}
.footer-top{padding-bottom:56px;}
.footer-brand .brand{margin-bottom:20px;color:#fff;}
.footer-brand p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px;}
.social-row{display:flex;gap:12px;margin-top:22px;}
.social-row a{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#fff;
  transition:background .2s ease,transform .2s ease;
}
.social-row a:hover{background:rgba(255,255,255,.18);transform:translateY(-2px);color:#fff;}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;}
.footer-col ul li{margin-bottom:12px;font-size:14.5px;}
.footer-col ul li a{color:rgba(255,255,255,.72);transition:color .2s ease,padding-left .2s ease;display:inline-block;}
.footer-col ul li a:hover{color:#fff;padding-left:4px;}
.footer-col ul li i{width:18px;color:var(--brand-3);margin-right:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1050;
  display:flex;flex-direction:column;gap:10px;align-items:flex-end;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-main{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:600;
  padding:14px 24px;border-radius:999px;box-shadow:0 14px 32px rgba(91,61,245,.34);
}
.float-main:hover{color:#fff;transform:translateY(-2px);}
.float-top{
  width:46px;height:46px;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--brand-1);
  display:grid;place-items:center;box-shadow:var(--shadow-1);cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease;
}
.float-top:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}

/* ============ 动效 ============ */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .tl-item{column-gap:48px;}
  .done-list{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:991.98px){
  body{font-size:16px;}
  .section{padding:72px 0;}
  .site-nav .nav-inner{height:60px;}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;margin:0;
    background:rgba(20,16,46,.95);
    -webkit-backdrop-filter:blur(18px) saturate(150%);
    backdrop-filter:blur(18px) saturate(150%);
    border-bottom-left-radius:24px;border-bottom-right-radius:24px;
    box-shadow:0 24px 48px rgba(0,0,0,.35);
    padding:12px 16px 20px;
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-list a{padding:13px 16px;border-radius:14px;font-size:16px;color:rgba(255,255,255,.9);}
  .nav-menu .nav-list a:hover,.nav-menu .nav-list a.active{background:rgba(255,255,255,.14);color:#fff;}
  .icon-btn{display:none;}
  .check-wrap{grid-template-columns:1fr;gap:36px;}
  .check-figure{margin-top:0;}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:38px 30px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .hero-banner{padding:132px 0 64px;min-height:auto;}
  .timeline::before{left:22px;}
  .tl-item{grid-template-columns:1fr;padding-left:64px;column-gap:0;margin-bottom:32px;}
  .tl-item .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:1;}
  .tl-dot{left:22px;top:20px;width:40px;height:40px;font-size:13px;border-width:3px;}
  .tl-final{padding-left:64px;}
  .done-list{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .hero-banner{padding:104px 0 52px;}
  .hero-banner h1{font-size:clamp(26px,7vw,34px);}
  .stat-chip{padding:8px 15px;}
  .stat-chip .n{font-size:22px;}
  .float-cta{
    right:0;left:0;bottom:0;flex-direction:row;align-items:center;justify-content:space-between;
    gap:10px;padding:8px 14px calc(8px + env(safe-area-inset-bottom));
    background:rgba(255,255,255,.94);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(20,16,46,.1);
    transform:translateY(100%);
  }
  .float-cta.show{transform:translateY(0);}
  .float-main{flex:1 1 auto;justify-content:center;padding:12px 18px;font-size:15px;border-radius:14px;}
  .float-top{width:44px;height:44px;flex:0 0 auto;border-radius:14px;}
}
@media (max-width:575.98px){
  .section{padding:48px 0;}
  h1{line-height:1.3;}
  .brand-sub{display:none;}
  .brand-divider{display:none;}
  .hero-banner{padding:96px 0 46px;}
  .hero-actions{gap:10px;}
  .btn{padding:12px 22px;font-size:15px;}
  .tl-card{border-radius:20px;padding:18px;}
  .faq-accordion .accordion-button{font-size:16px;padding:18px 48px 18px 22px;}
  .done-card{padding:28px 22px;border-radius:22px;}
  .cta-card{padding:30px 22px;border-radius:22px;}
  .footer-bottom{font-size:12.5px;}
}
body.menu-open{overflow:hidden;}