/* roulang page: index */
:root{
  --ink:#14151A;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --lime:#C8F04B;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,21,26,.04);
  --sh-2:0 14px 34px -14px rgba(20,21,26,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;font-weight:400;
  color:var(--t1);background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;letter-spacing:-.02em;color:var(--ink)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1440px){.container{max-width:1320px}}
@media (max-width:640px){.container{padding:0 20px}}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,246,242,.94);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(20,21,26,.45);border-bottom-color:var(--line)}
.header-inner{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;height:74px;gap:16px}
.nav-left{display:flex;align-items:center;gap:28px}
.nav-right{display:flex;align-items:center;gap:28px;justify-content:flex-end}
.nav-link{font-size:15px;color:var(--t2);position:relative;padding:6px 0;white-space:nowrap;transition:color .18s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--lime);transition:width .24s var(--ease)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--ink);font-weight:700}
.nav-link.active::after{width:100%}
.btn-nav{background:var(--ink);color:#fff;border-radius:999px;padding:9px 20px;font-weight:700;transition:background .18s var(--ease),color .18s var(--ease)}
.btn-nav::after{display:none}
.btn-nav:hover{background:var(--lime);color:var(--ink)}
.brand{display:flex;align-items:center;gap:10px;justify-self:center}
.brand-mark{position:relative;width:32px;height:32px;flex:0 0 32px;border-radius:10px;background:var(--ink)}
.brand-mark::before{content:"";position:absolute;left:7px;top:7px;width:8px;height:8px;border-radius:3px;background:var(--lime)}
.brand-mark::after{content:"";position:absolute;right:7px;bottom:7px;width:8px;height:8px;border-radius:3px;background:var(--lime);opacity:.55}
.brand-text{font-size:19px;font-weight:900;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}
.menu-toggle{display:none;width:44px;height:44px;border-radius:10px;background:var(--ink);color:#fff;font-size:17px;align-items:center;justify-content:center}
.nav-drawer{
  position:fixed;inset:0;z-index:120;background:var(--ink);
  padding:96px 24px 32px;display:flex;flex-direction:column;gap:2px;
  transform:translateX(100%);visibility:hidden;
  transition:transform .3s var(--ease),visibility .3s var(--ease);
}
.nav-drawer.open{transform:translateX(0);visibility:visible}
.nav-drawer a{color:#fff;font-size:17px;font-weight:600;padding:15px 4px;border-bottom:1px solid rgba(255,255,255,.09)}
.nav-drawer a:last-of-type{border-bottom:0}
.drawer-close{position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.1);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center}
.drawer-cta{margin-top:24px;background:var(--lime);color:var(--ink)!important;border-radius:10px;text-align:center;font-weight:800;padding:14px!important;border-bottom:0!important}

/* ============ BUTTONS ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(200,240,75,.95)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#000;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{border-color:rgba(255,255,255,.34);color:#fff}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.btn-outline{border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-1px)}

/* ============ HERO ============ */
.hero{background:var(--ink);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-180px;top:-200px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(200,240,75,.18),rgba(200,240,75,0) 68%);pointer-events:none}
.hero-inner{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:center;padding:84px 0 92px;position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--lime);border:1px solid rgba(200,240,75,.45);border-radius:999px;padding:6px 15px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,4.3vw,50px);font-weight:900;line-height:1.18;color:#fff}
.hero-sub{margin-top:18px;font-size:17px;color:rgba(255,255,255,.72);max-width:520px}
.hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-points{display:flex;flex-wrap:wrap;gap:14px 26px;margin-top:34px;border-top:1px solid rgba(255,255,255,.12);padding-top:24px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.7)}
.hero-points i{color:var(--lime);font-size:13px}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);box-shadow:0 30px 70px -34px rgba(0,0,0,.85)}
.hero-badge{position:absolute;left:-16px;bottom:26px;display:flex;align-items:center;gap:9px;background:rgba(20,21,26,.95);border:1px solid var(--lime);border-radius:999px;padding:9px 18px;font-size:13px;color:#fff;box-shadow:var(--sh-2)}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.82)}}

/* ============ STATS ============ */
.stats{background:var(--paper-2);border-bottom:1px solid var(--line)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 32px}
.stat{display:flex;flex-direction:column;gap:2px;border-left:2px solid var(--lime);padding-left:16px}
.stat strong{font-family:ui-monospace,"DIN Alternate",monospace;font-variant-numeric:tabular-nums;font-size:26px;font-weight:800;color:var(--ink);line-height:1.3}
.stat span{font-size:13px;color:var(--t2);letter-spacing:.02em}

/* ============ SECTION BASE ============ */
.section{padding:92px 0}
.section-alt{background:var(--paper-2)}
.section-dark{background:var(--ink);color:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,2.6vw,32px)}
.section-head p{margin-top:10px;color:var(--t2);font-size:15px;max-width:620px}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.68)}
.more-link{font-size:14px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:7px;white-space:nowrap;border-bottom:2px solid var(--lime);padding-bottom:2px;transition:gap .18s var(--ease)}
.more-link:hover{gap:12px}

/* ============ ENTRY GRID ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.entry-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--sh-1);transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease)}
.entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6D5CE}
.entry-card.feature{grid-column:span 2}
.entry-thumb{overflow:hidden;aspect-ratio:16/9;background:var(--paper-2)}
.entry-card.feature .entry-thumb{aspect-ratio:21/9}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.04em;border-radius:999px;padding:4px 12px;border:1px solid var(--lime);color:var(--ink);background:rgba(200,240,75,.18);width:fit-content}
.badge-hot{border-color:transparent;background:var(--coral);color:#fff}
.entry-body h3{font-size:19px;line-height:1.4}
.entry-body p{font-size:14.5px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13.5px;color:var(--t3);padding-top:14px;border-top:1px solid var(--line)}
.entry-foot .arrow{color:var(--ink);font-weight:700;transition:transform .2s var(--ease)}
.entry-card:hover .entry-foot .arrow{transform:translateX(4px)}

/* ============ FLOW ============ */
.flow-inner{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center}
.flow-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-2)}
.steps{margin-top:30px;display:flex;flex-direction:column;gap:18px}
.steps li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.steps li:hover{box-shadow:var(--sh-2);transform:translateX(3px)}
.step-num{font-family:ui-monospace,"DIN Alternate",monospace;font-variant-numeric:tabular-nums;font-size:20px;font-weight:800;color:var(--ink);background:var(--lime);border-radius:8px;padding:2px 10px;line-height:1.7;flex:0 0 auto}
.steps h3{font-size:16.5px;margin-bottom:3px}
.steps p{font-size:14px;color:var(--t2)}

/* ============ REVIEWS ============ */
.review-wrap{position:relative}
.review-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 22px;scrollbar-width:none}
.review-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--paper-2);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--ink);font-size:15px;flex:0 0 44px}
.review-name{font-weight:700;font-size:15px}
.stars{color:var(--coral);font-size:12px;letter-spacing:2px}
.review-card p{font-size:14.5px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-nav{display:flex;gap:10px}
.rbtn{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;display:flex;align-items:center;justify-content:center;transition:background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease)}
.rbtn:hover{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.review-bar{height:3px;border-radius:999px;background:var(--line);overflow:hidden;margin-top:6px}
.review-bar span{display:block;height:100%;width:25%;background:var(--ink);border-radius:999px;transition:width .2s var(--ease)}

/* ============ GUARANTEE ============ */
.guarantee{background:var(--ink);color:#fff;border-top:1px solid rgba(255,255,255,.06)}
.guarantee-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:38px 0}
.g-item{display:flex;gap:14px;align-items:flex-start}
.g-item i{color:var(--lime);font-size:19px;margin-top:4px}
.g-item h3{font-size:15px;color:#fff;margin-bottom:4px;letter-spacing:.02em}
.g-item p{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:.03em;line-height:1.7}

/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;box-shadow:var(--sh-1);transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease)}
.news-card:hover{box-shadow:var(--sh-2);transform:translateY(-3px);border-color:#D6D5CE}
.news-thumb{flex:0 0 148px;height:108px;border-radius:10px;overflow:hidden;background:var(--paper-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{display:flex;flex-direction:column;gap:7px;min-width:0;flex:1}
.news-tag{font-size:12px;font-weight:700;color:var(--ink);background:rgba(200,240,75,.28);border-radius:999px;padding:3px 11px;width:fit-content}
.news-body h3{font-size:16px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:13.5px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--t3)}
.news-meta .arrow{color:var(--ink);font-weight:700;transition:transform .2s var(--ease)}
.news-card:hover .news-meta .arrow{transform:translateX(4px)}
.empty-box{background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);padding:48px 24px;text-align:center;color:var(--t2)}
.empty-box strong{display:block;font-size:17px;color:var(--ink);margin-bottom:8px}
.empty-box .btn{margin-top:18px}

/* ============ FAQ ============ */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}
.faq-item.open{border-color:#D6D5CE;box-shadow:var(--sh-2)}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;font-size:16px;font-weight:700;color:var(--ink);padding:14px 22px;background:none}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 20px;transition:transform .18s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;transition:transform .18s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 22px 20px;font-size:15px;color:var(--t2);background:var(--paper)}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:#fff;border-top:1px solid rgba(255,255,255,.07)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:52px 0}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.4vw,30px)}
.cta-inner p{color:rgba(255,255,255,.68);margin-top:8px;font-size:15px}

/* ============ FOOTER ============ */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);border-top:1px solid rgba(255,255,255,.08)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.08)}
.footer-brand span{color:#fff;font-size:18px;font-weight:900;letter-spacing:-.02em}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-col h3{font-size:14px;color:var(--lime);letter-spacing:.08em;margin-bottom:18px;font-weight:700}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--lime)}
.sub-form{display:flex;gap:10px;margin-top:18px}
.sub-form input{height:46px;flex:1;min-width:0;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color .18s var(--ease),background .18s var(--ease)}
.sub-form input::placeholder{color:rgba(255,255,255,.4)}
.sub-form input:focus{border-color:var(--lime);background:rgba(255,255,255,.1);outline:none;box-shadow:0 0 0 2px rgba(200,240,75,.35)}
.sub-form button{height:46px;padding:0 20px;border-radius:10px;background:var(--lime);color:var(--ink);font-weight:800;font-size:14px;transition:filter .18s var(--ease),transform .18s var(--ease)}
.sub-form button:hover{filter:brightness(1.06);transform:translateY(-1px)}
.sub-tip{font-size:12.5px;color:rgba(255,255,255,.42);margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:22px 0 34px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45)}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:var(--lime)}

/* ============ TO TOP ============ */
.to-top{position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s var(--ease),background .18s var(--ease);z-index:90}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--lime);color:var(--ink)}

/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .header-inner{grid-template-columns:44px 1fr 44px;height:66px}
  .brand{justify-self:center}
  .brand-text{font-size:17px}
  .menu-toggle{display:flex}
  .header-inner::after{content:"";width:44px}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:56px 0 64px}
  .hero-media{order:2}
  .hero-badge{left:14px;bottom:16px}
  .section{padding:64px 0}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .entry-card.feature{grid-column:span 2}
  .flow-inner{grid-template-columns:1fr;gap:36px}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .guarantee-grid{grid-template-columns:repeat(2,1fr);gap:26px;padding:34px 0}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 34px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 0}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:18px;padding:26px 20px}
  .stat strong{font-size:22px}
  .entry-grid{grid-template-columns:1fr}
  .entry-card.feature{grid-column:span 1}
  .entry-card.feature .entry-thumb{aspect-ratio:16/9}
  .review-card{flex:0 0 84%}
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%;height:172px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .sub-form{flex-direction:column}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:30px}
  .hero-actions .btn{width:100%}
  .faq-q{font-size:15px;padding:14px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: article */
:root{
  --ink:#14151A;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --lime:#C8F04B;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,21,26,.04);
  --sh-2:0 14px 34px -14px rgba(20,21,26,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
ul,ol{padding-left:1.2em;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.02em;line-height:1.28;margin:0;}
p{margin:0;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0;}
.section-sm{padding:56px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:30px;}
.section-head .more{
  font-size:14px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
  padding-bottom:3px;
}
.section-head .more:hover{color:var(--t1);border-color:var(--t1);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--t2);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:2px;
  background:var(--lime);
  border-radius:2px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,246,242,.82);
  backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{
  background:#FBFBF8;
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px -18px rgba(20,21,26,.55);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:72px;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:26px;
  flex:1 1 0;
}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  height:2px;
  width:0;
  background:var(--lime);
  border-radius:2px;
  transition:width .22s var(--ease);
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.nav-link.active{color:var(--t1);font-weight:700;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--ink);
  color:#fff;
  font-size:14px;
  font-weight:700;
  padding:10px 18px;
  border-radius:var(--r-btn);
  border:1px solid var(--ink);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease);
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:var(--sh-2);background:#1E2027;color:#fff;}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--t1);
  white-space:nowrap;
}
.brand-mark{
  width:22px;
  height:22px;
  border-radius:7px;
  background:var(--lime);
  border:2px solid var(--ink);
  display:inline-block;
  position:relative;
  flex:none;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:5px;
  background:var(--ink);
  border-radius:2px;
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  color:var(--t1);
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.mobile-head-btn{
  display:none;
  background:var(--ink);
  color:#fff;
  border:1px solid var(--ink);
  border-radius:var(--r-btn);
  height:44px;
  padding:0 16px;
  font-size:14px;
  font-weight:700;
  align-items:center;
}
.drawer{
  position:fixed;
  inset:0;
  background:var(--ink);
  z-index:80;
  padding:26px 22px 34px;
  display:flex;
  flex-direction:column;
  transform:translateY(-100%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:26px;
}
.drawer .brand{color:#fff;}
.drawer .brand-mark{border-color:#fff;}
.drawer .brand-mark::after{background:#fff;}
.drawer-close{
  width:44px;height:44px;border-radius:var(--r-btn);
  background:transparent;border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:16px;
}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{
  color:rgba(255,255,255,.86);
  font-size:18px;
  font-weight:700;
  padding:15px 0;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.drawer-links a:hover{color:var(--lime);}
.drawer-foot{margin-top:auto;padding-top:26px;}
.drawer-foot .nav-cta{width:100%;justify-content:center;background:var(--lime);color:var(--ink);border-color:var(--lime);}
.drawer-note{color:rgba(255,255,255,.5);font-size:13px;margin-top:14px;line-height:1.7;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  border-bottom:1px solid var(--line);
  background:var(--paper-2);
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t2);
  padding:14px 0;
  flex-wrap:wrap;
}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--t1);}
.crumb .sep{color:var(--t3);}
.crumb .current{
  color:var(--t1);
  max-width:52ch;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- Article head ---------- */
.article-head{
  padding:52px 0 34px;
  background:var(--paper);
  border-bottom:1px solid var(--line);
}
.article-head .kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t2);
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:18px;
}
.article-head .kicker i{color:var(--lime);}
.article-head h1{
  font-size:42px;
  font-weight:900;
  max-width:22ch;
  margin-bottom:20px;
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:14px;
  color:var(--t2);
}
.meta-row .dot{width:5px;height:5px;border-radius:50%;background:var(--t3);display:inline-block;}

/* ---------- Article body ---------- */
.article-main{padding:56px 0 72px;}
.article-wrap{max-width:800px;margin:0 auto;}
.article-body{
  font-size:16.5px;
  line-height:1.9;
  color:#22242B;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:27px;
  margin:2em 0 .8em;
  padding-left:16px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;
  top:.22em;
  bottom:.18em;
  width:3px;
  border-radius:3px;
  background:var(--lime);
}
.article-body h3{
  font-size:20px;
  margin:1.6em 0 .6em;
}
.article-body h4{font-size:17px;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;}
.article-body li{margin-bottom:.5em;}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--paper-2);
  border-left:4px solid var(--lime);
  border-radius:0 var(--r-card) var(--r-card) 0;
  color:var(--t2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:100%;
  margin:1.6em 0 .6em;
  border-radius:var(--r-img);
  box-shadow:var(--sh-1);
}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{
  text-align:center;
  font-size:13px;
  color:var(--t3);
  margin-top:2px;
}
.article-body a{
  color:var(--t1);
  border-bottom:2px solid var(--lime);
}
.article-body a:hover{background:rgba(200,240,75,.28);}
.article-body code{
  font-family:ui-monospace,"DIN Alternate",Menlo,Consolas,monospace;
  font-size:.92em;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:6px;
  padding:2px 6px;
}
.article-body pre{
  background:var(--ink);
  color:#E9EAEE;
  border-radius:var(--r-card);
  padding:20px 22px;
  overflow-x:auto;
  font-size:14px;
  line-height:1.75;
  margin:1.6em 0;
}
.article-body pre code{background:none;border:0;color:inherit;padding:0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15px;
  background:#fff;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
}
.article-body th,.article-body td{
  padding:13px 16px;
  text-align:left;
  border:0;
  border-bottom:1px solid var(--line);
}
.article-body thead th{background:var(--paper-2);font-weight:700;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}

.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:44px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--t2);
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:6px 14px;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.tag:hover{border-color:var(--lime);color:var(--t1);transform:translateY(-1px);}

.empty-state{
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:48px 26px;
  text-align:center;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--t2);margin-bottom:22px;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  min-width:44px;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{background:#D4F86A;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-dark:hover{background:#22242B;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:var(--t1);border-color:var(--line);}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- Related ---------- */
.related-sec{background:var(--paper-2);border-top:1px solid var(--line);}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D6D5CE;}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--paper-2);}
.card-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .32s var(--ease);}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;line-height:1.45;}
.card-body p{font-size:14px;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--t3);
  padding-top:8px;
}
.card-foot .arrow{transition:transform .2s var(--ease);color:var(--t1);}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  color:#fff;
  border-radius:18px;
  padding:38px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
}
.cta-band h2{font-size:26px;margin-bottom:8px;color:#fff;}
.cta-band p{color:rgba(255,255,255,.66);font-size:15px;}
.cta-band .btn{flex:none;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  background:none;
  border:0;
  padding:0;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
}
.faq-q .ic{
  flex:none;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  color:var(--t2);
  font-size:12px;
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.faq-item.is-open .faq-q .ic{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:var(--ink);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease);
}
.faq-a .inner{
  background:var(--paper-2);
  border-radius:var(--r-card);
  padding:16px 18px;
  margin-bottom:18px;
  font-size:15px;
  color:var(--t2);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.7);
  padding:72px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:900;
  margin-bottom:16px;
}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-col h3{
  font-size:14px;
  color:var(--lime);
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);}
.sub-form{display:flex;gap:10px;margin:18px 0 8px;}
.sub-form input{
  flex:1;
  height:46px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 14px;
  font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.42);}
.sub-form input:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 2px rgba(200,240,75,.28);}
.sub-form button{
  height:46px;
  padding:0 20px;
  border-radius:var(--r-btn);
  border:1px solid var(--lime);
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.sub-form button:hover{background:#D4F86A;transform:translateY(-1px);}
.sub-tip{font-size:12.5px;color:rgba(255,255,255,.42);}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;
  right:24px;
  bottom:28px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  border:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),visibility .24s;
  z-index:70;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--lime);color:var(--ink);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .24s var(--ease),transform .24s var(--ease);}
.reveal.is-in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .mobile-head-btn{display:inline-flex;}
  .header-inner{min-height:64px;}
  .section{padding:64px 0;}
  .article-head h1{font-size:34px;}
  .article-head{padding:40px 0 28px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 28px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .brand{font-size:16px;}
  .brand-mark{width:20px;height:20px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .article-main{padding:36px 0 52px;}
  .article-head h1{font-size:30px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
  .cta-band h2{font-size:22px;}
  .crumb .current{max-width:26ch;}
  .to-top{right:16px;bottom:20px;}
}

/* roulang page: category1 */
:root{
  --ink:#14151A;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --lime:#C8F04B;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,21,26,.04);
  --shadow-2:0 14px 34px -14px rgba(20,21,26,.22);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,"DIN Alternate","SF Mono",Menlo,monospace;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
input,button,textarea{font-size:16px;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:92px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--paper-2);}
.section--ink{background:var(--ink);color:#fff;}
.section--ink .sec-title{color:#fff;}
.section--ink .sec-desc{color:rgba(255,255,255,.66);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;}
.sec-title{font-size:30px;font-weight:900;letter-spacing:-.02em;line-height:1.3;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--t2);max-width:620px;}
.sec-more{font-size:14px;font-weight:700;color:var(--t1);white-space:nowrap;border-bottom:2px solid var(--lime);padding-bottom:3px;}
.sec-more:hover{color:var(--t2);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--t2);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(247,246,242,.94);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 8px 24px -18px rgba(20,21,26,.4);}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0;}
.nav-right{justify-content:flex-end;}
.nav-link{position:relative;display:inline-block;font-size:15px;color:var(--t2);padding:6px 0;}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;background:var(--lime);transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:700;}
.nav-cta{background:var(--ink);color:#fff;border-radius:var(--r-btn);padding:9px 18px;font-size:14px;font-weight:700;transition:background .18s var(--ease),transform .18s var(--ease);}
.nav-cta::after{display:none;}
.nav-cta:hover{background:#000;color:var(--lime);transform:translateY(-1px);}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;letter-spacing:-.02em;white-space:nowrap;flex:0 0 auto;}
.brand-mark{width:22px;height:22px;border-radius:7px;background:var(--ink);position:relative;flex:0 0 auto;}
.brand-mark::after{content:"";position:absolute;inset:6px;border-radius:2px;background:var(--lime);}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-drawer{position:fixed;inset:74px 0 0 0;background:var(--ink);z-index:70;padding:28px 24px 40px;display:none;flex-direction:column;gap:4px;overflow-y:auto;}
.mobile-drawer.open{display:flex;}
.mobile-drawer a{color:rgba(255,255,255,.82);font-size:17px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.mobile-drawer a.active{color:var(--lime);font-weight:700;}
.mobile-drawer .drawer-cta{margin-top:22px;background:var(--lime);color:var(--ink);border-radius:var(--r-btn);text-align:center;font-weight:800;border-bottom:0;padding:15px 0;}

/* ---------- breadcrumb ---------- */
.crumb{font-size:13px;color:var(--t3);padding:18px 0 0;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--t1);}
.crumb span{margin:0 8px;color:var(--t3);}

/* ---------- hero ---------- */
.page-hero{position:relative;color:#fff;padding:78px 0 84px;background-image:linear-gradient(rgba(20,21,26,.86),rgba(20,21,26,.92)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;}
.hero-inner{max-width:760px;margin:0 auto;text-align:center;}
.hero-badge{display:inline-block;border:1px solid var(--lime);color:var(--lime);border-radius:999px;font-size:13px;font-weight:700;padding:5px 14px;margin-bottom:20px;}
.page-hero h1{font-size:46px;font-weight:900;letter-spacing:-.03em;line-height:1.25;}
.page-hero .hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.74);}
.hero-search{display:flex;gap:10px;background:#fff;border-radius:14px;padding:8px;margin-top:32px;box-shadow:0 20px 40px -24px rgba(0,0,0,.7);}
.hero-search input{flex:1;border:0;background:transparent;height:48px;padding:0 14px;color:var(--t1);border-radius:10px;}
.hero-search input::placeholder{color:var(--t3);}
.hero-search input:focus{outline:2px solid var(--lime);outline-offset:0;}
.hero-search button{border:0;background:var(--lime);color:var(--ink);font-weight:800;border-radius:10px;padding:0 26px;min-height:48px;transition:filter .18s var(--ease),transform .18s var(--ease);}
.hero-search button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;align-items:center;margin-top:22px;}
.hero-tags-label{font-size:13px;color:rgba(255,255,255,.5);}
.hero-tags a{font-size:13px;color:rgba(255,255,255,.85);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:5px 13px;transition:all .18s var(--ease);}
.hero-tags a:hover{border-color:var(--lime);color:var(--lime);}

/* ---------- entry grid ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.entry-card{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-1);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);}
.entry-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:#D7D6CE;}
.entry-rail{flex:0 0 46px;display:flex;flex-direction:column;align-items:center;gap:10px;}
.entry-num{font-family:var(--mono);font-size:17px;font-weight:700;letter-spacing:.06em;color:var(--t1);}
.entry-rail::after{content:"";flex:1 1 auto;width:1px;min-height:38px;background:linear-gradient(180deg,var(--line),rgba(227,226,220,0));}
.entry-body{flex:1 1 auto;min-width:0;}
.entry-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line);margin-bottom:16px;background:var(--paper-2);}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease);}
.entry-card:hover .entry-thumb img{transform:scale(1.03);}
.entry-title{font-size:20px;font-weight:800;letter-spacing:-.01em;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.tag{display:inline-block;font-size:12px;font-weight:700;border-radius:999px;padding:2px 10px;border:1px solid var(--line);color:var(--t2);background:var(--paper);}
.tag--hot{background:var(--coral);border-color:var(--coral);color:#fff;}
.tag--lime{border-color:var(--lime);color:var(--t1);}
.entry-text{margin-top:10px;font-size:15px;color:var(--t2);}
.entry-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:14px;border-top:1px solid var(--line);padding-top:14px;}
.entry-link{font-size:14px;font-weight:700;color:var(--t1);display:inline-flex;align-items:center;gap:6px;}
.entry-link i{font-style:normal;transition:transform .2s var(--ease);}
.entry-link:hover i{transform:translateX(4px);}
.entry-meta{font-size:13px;color:var(--t3);font-family:var(--mono);}

/* ---------- check list (ink) ---------- */
.check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:36px;}
.check-item{border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:24px;background:rgba(255,255,255,.03);transition:border-color .2s var(--ease),transform .2s var(--ease);}
.check-item:hover{border-color:var(--lime);transform:translateY(-3px);}
.check-item h3{font-size:17px;font-weight:800;color:#fff;}
.check-item p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;}
.check-dot{width:30px;height:30px;border-radius:9px;background:var(--lime);color:var(--ink);display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:13px;font-weight:800;margin-bottom:16px;}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.flow-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;}
.flow-item::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--lime);transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);}
.flow-item:hover::before{transform:scaleY(1);}
.flow-step{font-family:var(--mono);font-size:13px;font-weight:800;color:var(--t3);letter-spacing:.14em;}
.flow-item h3{margin-top:12px;font-size:19px;font-weight:800;}
.flow-item p{margin-top:10px;font-size:15px;color:var(--t2);}

/* ---------- faq ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;background:transparent;border:0;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:60px;padding:14px 4px;font-size:17px;font-weight:700;color:var(--t1);}
.faq-q .icon{flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);position:relative;transition:background .18s var(--ease),border-color .18s var(--ease);}
.faq-q .icon::before,.faq-q .icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--t1);transform:translate(-50%,-50%);transition:transform .24s var(--ease),opacity .24s var(--ease),background .18s var(--ease);}
.faq-q .icon::before{width:11px;height:2px;}
.faq-q .icon::after{width:2px;height:11px;}
.faq-item.open .faq-q .icon{background:var(--lime);border-color:var(--lime);}
.faq-item.open .faq-q .icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-q:hover{color:#000;}
.faq-body{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-body-inner{background:var(--paper-2);border-radius:var(--r-img);padding:18px 20px;margin:0 0 18px;font-size:15px;color:var(--t2);}
.section--alt .faq-body-inner{background:#fff;}

/* ---------- cta ---------- */
.cta-band{background:var(--ink);border-radius:18px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;color:#fff;}
.cta-band h2{font-size:26px;font-weight:900;letter-spacing:-.02em;}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.68);}
.cta-actions{display:flex;gap:12px;flex:0 0 auto;}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:800;border:1px solid transparent;transition:all .18s var(--ease);}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 14px 26px -16px rgba(200,240,75,.9);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.34);color:#fff;}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:#000;color:var(--lime);transform:translateY(-1px);}
.btn-outline{border-color:var(--line);color:var(--t1);background:#fff;}
.btn-outline:hover{border-color:var(--ink);background:var(--lime);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:900;letter-spacing:-.02em;margin-bottom:16px;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-col h3{font-size:14px;font-weight:800;color:var(--lime);letter-spacing:.06em;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-links a:hover{color:var(--lime);}
.sub-form{display:flex;gap:10px;margin:18px 0 10px;}
.sub-form input{flex:1;min-width:0;height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;}
.sub-form input::placeholder{color:rgba(255,255,255,.4);}
.sub-form input:focus{outline:2px solid var(--lime);outline-offset:0;border-color:var(--lime);}
.sub-form button{height:46px;border:0;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-weight:800;padding:0 20px;transition:filter .18s var(--ease);}
.sub-form button:hover{filter:brightness(1.06);}
.sub-tip{font-size:12px;color:rgba(255,255,255,.42);}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--lime);}
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--t1);display:flex;align-items:center;justify-content:center;font-size:18px;opacity:0;pointer-events:none;transition:opacity .24s var(--ease),transform .24s var(--ease);z-index:60;box-shadow:var(--shadow-2);}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{background:var(--lime);transform:translateY(-2px);}

/* ---------- responsive ---------- */
@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{justify-content:space-between;min-height:74px;}
  .brand{order:2;}
  .nav-toggle{order:3;}
  .nav-wrap::before{content:"";order:1;width:44px;height:44px;flex:0 0 auto;}
  .mobile-drawer{inset:74px 0 0 0;}
  .section{padding:64px 0;}
  .section--tight{padding:56px 0;}
  .page-hero h1{font-size:38px;}
  .check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .entry-grid{grid-template-columns:1fr;gap:16px;}
  .entry-rail{flex:0 0 40px;}
  .page-hero{padding:56px 0 60px;}
  .page-hero h1{font-size:31px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-search{flex-direction:column;padding:10px;}
  .hero-search button{width:100%;padding:0 18px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .sec-title{font-size:24px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 24px;border-radius:16px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:519px){
  .entry-card{flex-direction:column;gap:14px;}
  .entry-rail{flex-direction:row;align-items:center;gap:12px;}
  .entry-rail::after{width:100%;height:1px;min-height:0;background:linear-gradient(90deg,var(--line),rgba(227,226,220,0));}
  .check-grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category2 */
:root{
  --ink:#14151A;
  --ink-2:#1E2027;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --lime:#C8F04B;
  --lime-deep:#B4DC36;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,21,26,.04);
  --sh-2:0 14px 34px -14px rgba(20,21,26,.22);
  --c-max:1200px;
  --pad-x:32px;
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--t2);}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.28;}
p{margin:0;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--c-max);
  margin:0 auto;
  padding-left:var(--pad-x);
  padding-right:var(--pad-x);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,242,.72);
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(247,246,242,.96);
  border-bottom-color:var(--line);
  box-shadow:0 10px 28px -20px rgba(20,21,26,.55);
}
.nav-wrap{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:18px;
  min-height:74px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;}
.nav-left{justify-content:flex-start;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t2);
  padding:10px 2px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:4px;
  height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .22s var(--ease);
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:700;}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:0 18px;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),filter .18s var(--ease),box-shadow .18s var(--ease);
}
.nav-cta:hover{color:var(--ink);filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:900;
  font-size:19px;
  letter-spacing:-.02em;
  color:var(--t1);
  white-space:nowrap;
}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:18px;height:18px;
  border-radius:5px;
  background:var(--lime);
  transform:rotate(45deg);
  box-shadow:inset 0 0 0 2px rgba(20,21,26,.85);
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--white);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.drawer-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.drawer-open .nav-toggle span:nth-child(2){opacity:0;}
.drawer-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.mobile-drawer{
  display:none;
  background:var(--ink);
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px var(--pad-x) 30px;
}
.drawer-open .mobile-drawer{display:block;}
.mobile-drawer a{
  display:block;
  color:#E8E8E3;
  font-size:17px;
  padding:15px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a.active{color:var(--lime);font-weight:700;}
.mobile-drawer .drawer-cta{
  margin-top:20px;
  display:inline-flex;
  justify-content:center;
  width:100%;
  min-height:46px;
  align-items:center;
  border:0;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  border-bottom:0;
}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  color:#F4F4F0;
  background-image:linear-gradient(115deg,rgba(20,21,26,.94) 0%,rgba(20,21,26,.82) 52%,rgba(20,21,26,.9) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  padding:64px 0 96px;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:#9FA2AB;
  margin-bottom:26px;
}
.breadcrumb a{color:#C6C8CF;}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#E7E7E2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--lime);
  font-weight:700;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block;}
.page-hero h1{
  font-size:clamp(30px,4.4vw,52px);
  max-width:16em;
  color:#FFFFFF;
}
.page-hero .hero-sub{
  margin-top:18px;
  max-width:44em;
  color:#C8CAD1;
  font-size:16px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  border:1px solid transparent;
  transition:transform .18s var(--ease),filter .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1);}
.btn-primary:hover{color:var(--ink);filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:transparent;color:#F4F4F0;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{background:var(--lime);color:var(--ink);border-color:var(--lime);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{color:#fff;background:var(--ink-2);transform:translateY(-1px);box-shadow:var(--sh-2);}

/* ============ 简介卡 ============ */
.intro-band{padding:0 0 8px;}
.intro-card{
  margin-top:-56px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-2);
  padding:32px 34px;
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:34px;
  align-items:start;
}
.intro-card h2{font-size:24px;margin-bottom:14px;}
.intro-card p{color:var(--t2);}
.intro-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  padding:0 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--paper);
  color:var(--t2);
  font-size:13px;
  white-space:nowrap;
}
.tag-lime{border-color:var(--lime);color:var(--t1);background:rgba(200,240,75,.18);font-weight:700;}
.intro-points{display:grid;gap:14px;margin-top:18px;}
.intro-points li{
  display:flex;
  gap:12px;
  font-size:15px;
  color:var(--t2);
}
.intro-points li i{color:var(--lime);margin-top:6px;font-size:13px;}

/* ============ 通用板块 ============ */
.section{padding:92px 0;}
.section-alt{background:var(--paper-2);}
.section-ink{background:var(--ink);color:#EDEDE8;}
.section-head{max-width:720px;margin-bottom:52px;}
.section-head h2{font-size:clamp(26px,3vw,32px);}
.section-head h2::before{
  content:"";
  display:block;
  width:3px;height:22px;
  background:var(--lime);
  border-radius:2px;
  margin-bottom:16px;
}
.section-sub{margin-top:14px;color:var(--t2);font-size:16px;}
.section-ink .section-sub{color:#A9ACB4;}

/* ============ Z 字图文带 ============ */
.z-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:42px 0;
  border-top:1px solid var(--line);
}
.z-row:first-of-type{border-top:0;}
.z-row.reverse .z-media{order:2;}
.z-media{position:relative;}
.z-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.z-row:hover .z-media img{transform:scale(1.02);box-shadow:var(--sh-2);}
.z-index{
  position:absolute;
  left:-14px;
  top:-18px;
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:44px;
  font-weight:900;
  letter-spacing:-.04em;
  color:var(--lime);
  -webkit-text-stroke:1px rgba(20,21,26,.55);
  line-height:1;
}
.z-body h3{font-size:22px;margin-bottom:14px;}
.z-body p{color:var(--t2);margin-bottom:18px;}
.tick-list{display:grid;gap:12px;margin-bottom:22px;}
.tick-list li{
  position:relative;
  padding-left:26px;
  font-size:15px;
  color:var(--t2);
}
.tick-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:9px;height:9px;
  border-radius:3px;
  background:var(--lime);
  box-shadow:inset 0 0 0 1.5px rgba(20,21,26,.6);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--t1);
  border-bottom:1px solid var(--line);
  padding-bottom:4px;
}
.link-arrow span{transition:transform .2s var(--ease);}
.link-arrow:hover{color:var(--t1);border-bottom-color:var(--lime);}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ 亮点条 ============ */
.strip-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-card);
  overflow:hidden;
}
.strip-item{
  background:var(--ink);
  padding:28px 24px;
}
.strip-item i{color:var(--lime);font-size:18px;margin-bottom:14px;display:block;}
.strip-item h3{font-size:16px;color:#fff;margin-bottom:8px;letter-spacing:0;}
.strip-item p{font-size:14px;color:#9FA2AB;line-height:1.7;}

/* ============ 场景卡 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D5CD;}
.card-media{position:relative;overflow:hidden;}
.card-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .3s var(--ease);}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18px;}
.card-body p{font-size:14px;color:var(--t2);}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
.card-foot .arrow{transition:transform .2s var(--ease);color:var(--t1);font-weight:700;}
.card:hover .card-foot .arrow{transform:translateX(4px);}

/* ============ 步骤流 ============ */
.steps{position:relative;display:grid;gap:18px;max-width:900px;}
.steps::before{
  content:"";
  position:absolute;
  left:26px;top:16px;bottom:16px;
  width:2px;
  background:linear-gradient(180deg,var(--lime) 0%,var(--line) 100%);
}
.step{
  position:relative;
  display:grid;
  grid-template-columns:54px 1fr;
  gap:22px;
  align-items:start;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 26px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step-num{
  width:54px;height:54px;
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  display:flex;
  align-items:center;
  justify-content:center;
  font-family:ui-monospace,"DIN Alternate",monospace;
  font-size:18px;
  font-weight:700;
  position:relative;
  z-index:1;
}
.step-body h3{font-size:18px;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--t2);}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:#D6D5CD;}
.faq-item.is-open{border-color:var(--lime);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  min-height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 22px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:16px;
  font-weight:700;
  color:var(--t1);
  line-height:1.6;
}
.faq-q:hover{color:var(--t1);}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:8px;
  border:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--t2);
  transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s var(--ease),padding .28s var(--ease);
  padding:0 22px;
  background:var(--paper);
}
.faq-item.is-open .faq-a{max-height:360px;padding:4px 22px 22px;}
.faq-a p{font-size:15px;color:var(--t2);}

/* ============ CTA ============ */
.cta-band{
  background:var(--ink);
  color:#fff;
  border-radius:var(--r-card);
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  background-image:linear-gradient(90deg,rgba(20,21,26,.96) 0%,rgba(20,21,26,.86) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
}
.cta-band h2{font-size:26px;color:#fff;}
.cta-band p{color:#A9ACB4;font-size:15px;margin-top:10px;max-width:52em;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#C3C5CC;
  padding:72px 0 26px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:38px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:18px;
  font-weight:900;
  margin-bottom:16px;
}
.footer-col h3{
  font-size:14px;
  color:var(--lime);
  letter-spacing:.04em;
  margin-bottom:18px;
}
.footer-col p{font-size:14px;color:#9FA2AB;line-height:1.8;}
.footer-links{display:grid;gap:12px;}
.footer-links a{font-size:14px;color:#C3C5CC;}
.footer-links a:hover{color:var(--lime);}
.sub-form{display:flex;gap:10px;margin-top:20px;}
.sub-form input{
  flex:1;
  min-height:46px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.05);
  color:#fff;
  outline-offset:2px;
}
.sub-form input::placeholder{color:#83868F;}
.sub-form input:focus{
  border-color:var(--lime);
  box-shadow:0 0 0 1px var(--lime);
}
.sub-form button{
  min-height:46px;
  padding:0 20px;
  border:0;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  cursor:pointer;
  transition:filter .18s var(--ease),transform .18s var(--ease);
}
.sub-form button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.sub-tip{font-size:12px;color:#7E828B;margin-top:10px;}
.form-msg{font-size:13px;color:var(--lime);margin-top:10px;display:none;}
.form-msg.show{display:block;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13px;
  color:#868A93;
}
.footer-bottom a{color:#868A93;}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 返回顶部 ============ */
.back-top{
  position:fixed;
  right:22px;
  bottom:26px;
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--white);
  color:var(--t1);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .24s var(--ease),transform .24s var(--ease),background-color .2s var(--ease);
  box-shadow:var(--sh-1);
  z-index:70;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{background:var(--lime);border-color:var(--lime);}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);animation:reveal .24s var(--ease) forwards;}
.reveal.d1{animation-delay:.06s;}
.reveal.d2{animation-delay:.12s;}
@keyframes reveal{to{opacity:1;transform:translateY(0);}}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  :root{--c-max:1200px;}
}
@media (min-width:1440px){
  :root{--c-max:1320px;--pad-x:40px;}
}
@media (max-width:1023px){
  :root{--pad-x:24px;}
  .nav-left,.nav-right{display:none;}
  .nav-wrap{grid-template-columns:auto 1fr auto;gap:14px;}
  .nav-toggle{display:flex;}
  .brand{font-size:17px;justify-self:center;}
  .page-hero{padding:44px 0 88px;}
  .section{padding:64px 0;}
  .intro-card{grid-template-columns:1fr;gap:22px;padding:26px;}
  .z-row{grid-template-columns:1fr;gap:26px;padding:32px 0;}
  .z-row.reverse .z-media{order:0;}
  .strip-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 26px;}
}
@media (max-width:639px){
  :root{--pad-x:20px;}
  body{font-size:15px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15px;}
  .hero-actions{width:100%;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:34px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .strip-grid{grid-template-columns:1fr;}
  .step{grid-template-columns:44px 1fr;gap:16px;padding:18px;}
  .step-num{width:44px;height:44px;font-size:15px;}
  .steps::before{left:21px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sub-form{flex-direction:column;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .z-index{font-size:34px;left:0;top:-14px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --ink:#14151A;
  --ink-2:#1E2027;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --white:#FFFFFF;
  --lime:#C8F04B;
  --lime-dark:#B4DC33;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,21,26,.04);
  --shadow-2:0 14px 34px -14px rgba(20,21,26,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --mono:ui-monospace,"DIN Alternate","SFMono-Regular",Menlo,monospace;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease);}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.25;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--lime);
  outline-offset:3px;
  border-radius:4px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}
.section{padding:92px 0;}
.section--tight{padding:64px 0;}
.section--paper2{background:var(--paper-2);}
.section--ink{background:var(--ink);color:#fff;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--t2);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:20px;height:2px;background:var(--lime);border-radius:2px;
}
.section-title{
  font-size:30px;
  margin-bottom:12px;
}
.section-sub{
  color:var(--t2);
  font-size:15px;
  max-width:640px;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.text-link{
  font-size:14px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
  white-space:nowrap;
}
.text-link:hover{color:var(--t1);border-color:var(--lime);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform 180ms var(--ease),background-color 180ms var(--ease),box-shadow 180ms var(--ease),color 180ms var(--ease),border-color 180ms var(--ease);
}
.btn-lime{
  background:var(--lime);
  color:var(--ink);
  box-shadow:var(--shadow-1);
}
.btn-lime:hover{
  background:var(--lime-dark);
  transform:translateY(-1px);
  box-shadow:var(--shadow-2);
}
.btn-ghost{
  border-color:rgba(255,255,255,.4);
  color:#fff;
}
.btn-ghost:hover{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
  transform:translateY(-1px);
}
.btn-outline{
  border-color:var(--line);
  color:var(--t1);
  background:var(--white);
}
.btn-outline:hover{
  background:var(--lime);
  border-color:var(--lime);
  color:var(--ink);
  transform:translateY(-1px);
}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,242,.88);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.scrolled{
  background:rgba(247,246,242,.97);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px -18px rgba(20,21,26,.4);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:20px;
  min-height:74px;
  position:relative;
}
.nav-left,.nav-right{
  display:flex;
  align-items:center;
  gap:26px;
}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform 200ms var(--ease);
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:900;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand-mark{
  width:26px;height:26px;
  border-radius:8px;
  background:var(--ink);
  position:relative;
  flex:0 0 26px;
}
.brand-mark::before{
  content:"";
  position:absolute;
  left:7px;top:7px;
  width:12px;height:12px;
  border-radius:3px;
  background:var(--lime);
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--white);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--t1);
  border-radius:2px;
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.mobile-drawer{
  display:none;
  position:fixed;
  inset:0;
  background:var(--ink);
  color:#fff;
  z-index:90;
  padding:96px 24px 40px;
  flex-direction:column;
  gap:4px;
  overflow-y:auto;
}
.mobile-drawer.open{display:flex;}
.mobile-drawer .drawer-title{
  font-size:12px;
  letter-spacing:.16em;
  color:var(--t3);
  margin-bottom:14px;
}
.mobile-drawer a{
  display:block;
  padding:16px 0;
  font-size:19px;
  font-weight:700;
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--lime);}
.mobile-drawer .drawer-cta{
  margin-top:28px;
  width:100%;
  min-height:50px;
}
.drawer-close{
  position:absolute;
  top:22px;right:22px;
  width:44px;height:44px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  color:#fff;
  font-size:20px;
  line-height:1;
}

/* ============ 页面头 ============ */
.page-hero{
  position:relative;
  background-color:var(--ink);
  background-image:linear-gradient(100deg,rgba(20,21,26,.94) 0%,rgba(20,21,26,.82) 46%,rgba(20,21,26,.6) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:72px 0 76px;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  border:1px solid rgba(200,240,75,.22);
  pointer-events:none;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(255,255,255,.6);
  margin-bottom:22px;
}
.breadcrumb a:hover{color:var(--lime);}
.breadcrumb span.sep{color:rgba(255,255,255,.32);}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  max-width:16em;
  margin-bottom:18px;
}
.page-hero .lead{
  font-size:17px;
  color:rgba(255,255,255,.78);
  max-width:640px;
  margin-bottom:28px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border-radius:999px;
  border:1px solid rgba(200,240,75,.55);
  color:var(--lime);
  font-size:13px;
  letter-spacing:.02em;
}
.chip--plain{
  border-color:rgba(255,255,255,.22);
  color:rgba(255,255,255,.8);
}

/* ============ 要点速览 ============ */
.key-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:20px;
}
.key-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.key-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:var(--lime);
}
.key-index{
  font-family:var(--mono);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--t3);
  display:block;
  margin-bottom:14px;
}
.key-card h3{
  font-size:19px;
  margin-bottom:10px;
}
.key-card p{
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
}

/* ============ 步骤时间轴 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px 40px;
  position:relative;
}
.steps::before{
  content:"";
  position:absolute;
  left:50%;
  top:20px;bottom:20px;
  width:1px;
  background:linear-gradient(180deg,rgba(227,226,220,0) 0%,var(--line) 12%,var(--line) 88%,rgba(227,226,220,0) 100%);
  transform:translateX(-50%);
}
.step-card{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 26px 26px 92px;
  box-shadow:var(--shadow-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.step-card:nth-child(even){margin-top:52px;}
.step-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-2);
  border-color:var(--lime);
}
.step-num{
  position:absolute;
  left:26px;top:26px;
  width:44px;height:44px;
  border-radius:12px;
  background:var(--ink);
  color:var(--lime);
  font-family:var(--mono);
  font-size:16px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.step-card h3{
  font-size:19px;
  margin-bottom:8px;
}
.step-card p{
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
}
.step-tag{
  display:inline-block;
  margin-top:14px;
  font-size:12px;
  padding:4px 12px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--t2);
}

/* ============ 风险对照 ============ */
.risk-wrap{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.risk-row{
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:24px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  transition:background-color 180ms var(--ease);
}
.risk-row:last-child{border-bottom:0;}
.risk-row:hover{background:var(--paper);}
.risk-row.head{
  background:var(--ink);
  color:#fff;
  font-size:14px;
  letter-spacing:.06em;
  padding:16px 26px;
}
.risk-row.head:hover{background:var(--ink);}
.risk-signal{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  font-weight:700;
}
.risk-signal::before{
  content:"";
  flex:0 0 8px;
  width:8px;height:8px;
  margin-top:9px;
  border-radius:50%;
  background:var(--coral);
}
.risk-action{
  font-size:14.5px;
  color:var(--t2);
  line-height:1.8;
}

/* ============ 图文提示 ============ */
.notice-split{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:0;
  background:var(--ink);
  border-radius:18px;
  overflow:hidden;
  color:#fff;
}
.notice-split figure{
  margin:0;
  min-height:320px;
  background-image:linear-gradient(180deg,rgba(20,21,26,.28),rgba(20,21,26,.6)),url('/assets/images/coverpic/cover-11.png');
  background-size:cover;
  background-position:center;
}
.notice-body{
  padding:52px 46px;
}
.notice-body h2{
  font-size:27px;
  margin-bottom:16px;
}
.notice-body p{
  color:rgba(255,255,255,.74);
  font-size:15px;
}
.notice-list{
  margin:22px 0 28px;
  display:grid;
  gap:12px;
}
.notice-list li{
  display:flex;
  gap:12px;
  font-size:14.5px;
  color:rgba(255,255,255,.86);
}
.notice-list li::before{
  content:"";
  flex:0 0 16px;
  height:2px;
  margin-top:13px;
  background:var(--lime);
  border-radius:2px;
}

/* ============ FAQ ============ */
.faq-list{
  display:grid;
  gap:12px;
  max-width:900px;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-item[open]{
  border-color:var(--lime);
  box-shadow:var(--shadow-2);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:58px;
  padding:16px 24px;
  font-size:16px;
  font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  position:relative;
  flex:0 0 16px;
  width:16px;height:16px;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--t1);
  border-radius:2px;
  transition:transform 180ms var(--ease);
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item[open] .faq-icon::after{transform:scaleY(0);}
.faq-body{
  padding:0 24px 22px;
}
.faq-body p{
  font-size:14.5px;
  color:var(--t2);
  line-height:1.9;
}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--ink);
  color:#fff;
  border-radius:18px;
  padding:40px 44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  border:1px solid var(--line);
}
.cta-bar h2{
  font-size:24px;
  margin-bottom:8px;
}
.cta-bar p{
  color:rgba(255,255,255,.72);
  font-size:14.5px;
  max-width:560px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex:0 0 auto;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:900;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.footer-brand .brand-mark{background:#fff;}
.footer-brand .brand-mark::before{background:var(--ink);}
.footer-col p{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.64);
}
.footer-col h3{
  font-size:14px;
  color:var(--lime);
  margin-bottom:16px;
  letter-spacing:.04em;
  font-weight:700;
}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:rgba(255,255,255,.72);
}
.footer-links a:hover{color:var(--lime);}
.sub-form{
  display:flex;
  gap:8px;
  margin:18px 0 10px;
}
.sub-form input{
  flex:1;
  min-width:0;
  height:46px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
}
.sub-form input::placeholder{color:rgba(255,255,255,.42);}
.sub-form input:focus{
  outline:none;
  border-color:var(--lime);
  box-shadow:0 0 0 2px rgba(200,240,75,.28);
}
.sub-form button{
  height:46px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--lime);
  color:var(--ink);
  font-weight:700;
  font-size:14px;
  white-space:nowrap;
  transition:background-color 180ms var(--ease),transform 180ms var(--ease);
}
.sub-form button:hover{background:var(--lime-dark);transform:translateY(-1px);}
.sub-tip{
  font-size:12.5px;
  color:rgba(255,255,255,.44);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.68);}
.footer-bottom a:hover{color:var(--lime);}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:28px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--ink);
  color:var(--lime);
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:var(--shadow-2);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease),visibility 200ms var(--ease);
  z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--lime);color:var(--ink);}

/* ============ 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(12px);
  animation:rise 240ms var(--ease) forwards;
}
@keyframes rise{to{opacity:1;transform:translateY(0);}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* ============ 响应式 ============ */
@media (max-width:1439px){
  .container{max-width:1200px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:66px 0;}
  .header-inner{display:flex;justify-content:space-between;align-items:center;min-height:66px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:flex;z-index:95;}
  .brand{position:absolute;left:50%;transform:translateX(-50%);font-size:16px;}
  .brand-mark{width:22px;height:22px;flex:0 0 22px;}
  .brand-mark::before{left:6px;top:6px;width:10px;height:10px;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .steps::before{display:none;}
  .step-card:nth-child(even){margin-top:0;}
  .notice-split{grid-template-columns:1fr;}
  .notice-body{padding:36px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:32px 26px;}
  .key-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:52px 0;}
  .page-hero{padding:52px 0 56px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:28px;}
  .section-title{font-size:24px;}
  .step-card{padding:24px 20px 22px 20px;}
  .step-num{position:static;margin-bottom:14px;}
  .risk-row{grid-template-columns:1fr;gap:8px;padding:18px 20px;}
  .risk-row.head{display:none;}
  .key-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-item summary{font-size:15px;padding:14px 18px;}
  .faq-body{padding:0 18px 18px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:30px;}
  .brand{font-size:15px;}
  .to-top{right:16px;bottom:18px;}
}

/* roulang page: category4 */
:root{
  --ink:#14151A;
  --ink-2:#1E1F26;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --lime:#C8F04B;
  --lime-dim:#B7DE3C;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --white:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow-1:0 1px 2px rgba(20,21,26,.04);
  --shadow-2:0 14px 34px -14px rgba(20,21,26,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--t1);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--paper2{background:var(--paper-2)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:30px;font-weight:900;letter-spacing:-.02em;line-height:1.3}
.section-head .head-sub{font-size:14px;color:var(--t2);max-width:520px;line-height:1.8}
.link-more{font-size:14px;font-weight:700;color:var(--t1);display:inline-flex;align-items:center;gap:6px;border-bottom:2px solid var(--lime);padding-bottom:2px;transition:color .18s var(--ease)}
.link-more:hover{color:var(--t2)}
.link-more i{transition:transform .18s var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- header ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:80;background:rgba(247,246,242,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease)}
.site-header.is-scrolled{background:rgba(247,246,242,.98);border-bottom-color:var(--line);box-shadow:0 10px 28px -22px rgba(20,21,26,.6)}
.nav-wrap{max-width:1320px;margin:0 auto;padding:0 32px;height:var(--nav-h);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px}
.nav-right{justify-content:flex-end}
.nav-link{position:relative;font-size:15px;color:var(--t2);padding:6px 0;white-space:nowrap;transition:color .18s var(--ease)}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease)}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--t1);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.brand-center{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:900;letter-spacing:-.02em;color:var(--t1);white-space:nowrap}
.brand-mark{width:20px;height:20px;border-radius:6px;background:var(--lime);position:relative;flex:none;transform:rotate(12deg)}
.brand-mark::after{content:"";position:absolute;inset:6px;background:var(--ink);border-radius:2px}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;font-size:17px;color:var(--t1)}
.nav-drawer{position:fixed;top:var(--nav-h);left:0;right:0;bottom:0;background:var(--ink);z-index:75;padding:32px 24px 40px;display:flex;flex-direction:column;gap:4px;transform:translateY(-8px);opacity:0;visibility:hidden;transition:opacity .22s var(--ease),transform .22s var(--ease),visibility .22s}
.nav-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.nav-drawer a{color:#F2F1EC;font-size:17px;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08)}
.nav-drawer a.active{color:var(--lime);font-weight:700}
.drawer-cta{margin-top:22px;background:var(--lime);color:var(--ink)!important;text-align:center;border-radius:10px;font-weight:700;border-bottom:0!important;min-height:48px;display:flex;align-items:center;justify-content:center}

/* ---------- page hero ---------- */
.page-hero{position:relative;padding:calc(var(--nav-h) + 76px) 0 84px;background-image:linear-gradient(180deg,rgba(20,21,26,.9),rgba(20,21,26,.94)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;color:#fff;overflow:hidden}
.page-hero::after{content:"";position:absolute;left:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(200,240,75,.22),transparent 68%)}
.crumb{font-size:13px;color:rgba(255,255,255,.62);display:flex;gap:8px;align-items:center;margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:var(--lime)}
.crumb span.sep{opacity:.5}
.page-h1{font-size:clamp(30px,4.6vw,52px);font-weight:900;letter-spacing:-.02em;line-height:1.22;max-width:820px}
.h1-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;padding:5px 13px;border-radius:999px;border:1px solid rgba(200,240,75,.62);color:var(--lime);margin-right:14px;transform:translateY(-7px);vertical-align:middle}
.page-lead{margin-top:22px;max-width:720px;font-size:16px;color:rgba(255,255,255,.8)}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:0 6px 20px -12px rgba(200,240,75,.9)}
.btn-primary:hover{background:#D3F55E;transform:translateY(-1px);box-shadow:0 14px 30px -14px rgba(200,240,75,.85)}
.btn-ghost{border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:#23252C;transform:translateY(-1px)}
.hero-stats{margin-top:46px;display:flex;flex-wrap:wrap;gap:40px;border-top:1px solid rgba(255,255,255,.14);padding-top:26px}
.hero-stat b{display:block;font-family:ui-monospace,"DIN Alternate",monospace;font-variant-numeric:tabular-nums;font-size:26px;font-weight:700;color:var(--lime);line-height:1.2}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- filter + wall ---------- */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:6px 2px 14px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.filter-bar::-webkit-scrollbar{display:none}
.filter-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 20px;font-size:14px;color:var(--t2);white-space:nowrap;transition:all .18s var(--ease)}
.filter-chip:hover{border-color:#C9C8C0;color:var(--t1);transform:translateY(-1px)}
.filter-chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink);font-weight:700;box-shadow:0 10px 22px -16px rgba(20,21,26,.6)}
.wall{column-count:3;column-gap:20px}
.w-card{break-inside:avoid;display:inline-block;width:100%;margin:0 0 20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:box-shadow .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease)}
.w-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px);border-color:#D6D5CD}
.w-media{position:relative;overflow:hidden;background:var(--paper-2)}
.w-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.w-card:hover .w-media img{transform:scale(1.03)}
.r-43{aspect-ratio:4/3}
.r-11{aspect-ratio:1/1}
.r-169{aspect-ratio:16/9}
.r-54{aspect-ratio:5/4}
.w-media .badge-float{position:absolute;top:12px;left:12px}
.w-body{padding:20px 20px 16px}
.w-body h3{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.45}
.w-body p{margin-top:10px;font-size:14px;color:var(--t2);line-height:1.8}
.w-points{margin-top:12px;display:flex;flex-direction:column;gap:6px}
.w-points li{font-size:13px;color:var(--t2);display:flex;gap:8px;align-items:flex-start}
.w-points i{color:var(--lime-dim);font-size:11px;margin-top:6px}
.w-foot{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:13px 20px;font-size:13px;color:var(--t3)}
.w-foot .arrow{transition:transform .18s var(--ease);color:var(--t1)}
.w-card:hover .w-foot .arrow{transform:translateX(4px)}
.badge{display:inline-flex;align-items:center;gap:6px;border-radius:999px;font-size:12px;font-weight:700;padding:4px 12px;line-height:1.6}
.badge-line{border:1px solid var(--lime);color:var(--t1);background:rgba(200,240,75,.16)}
.badge-hot{background:var(--coral);color:#fff}
.badge-plain{background:var(--paper-2);color:var(--t2);border:1px solid var(--line)}
.empty-state{display:none;padding:56px 24px;text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--t2)}
.empty-state.is-show{display:block}
.empty-state .btn{margin-top:18px}

/* ---------- type grid ---------- */
.type-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.type-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow-1);transition:box-shadow .22s var(--ease),transform .22s var(--ease)}
.type-card:hover{box-shadow:var(--shadow-2);transform:translateY(-3px)}
.type-num{display:inline-flex;align-items:center;justify-content:center;min-width:34px;height:34px;border-radius:10px;background:var(--paper-2);font-family:ui-monospace,"DIN Alternate",monospace;font-size:14px;font-weight:700;color:var(--t1);border:1px solid var(--line)}
.type-card h3{margin-top:16px;font-size:17px;font-weight:700}
.type-card p{margin-top:10px;font-size:14px;color:var(--t2);line-height:1.85}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:flow}
.flow-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--shadow-1)}
.flow-item::before{counter-increment:flow;content:"0" counter(flow);font-family:ui-monospace,"DIN Alternate",monospace;font-size:13px;font-weight:700;color:var(--t3);letter-spacing:.1em}
.flow-item h3{margin-top:12px;font-size:17px;font-weight:700;display:flex;align-items:center;gap:10px}
.flow-item h3::before{content:"";width:3px;height:18px;background:var(--lime);border-radius:2px}
.flow-item p{margin-top:10px;font-size:14px;color:var(--t2);line-height:1.85}

/* ---------- dark notice ---------- */
.notice{background:var(--ink);color:#F2F1EC;padding:64px 0}
.notice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:34px}
.notice-item{border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:22px;background:rgba(255,255,255,.02)}
.notice-item i{color:var(--lime);font-size:16px}
.notice-item h3{margin-top:14px;font-size:16px;font-weight:700;color:#fff}
.notice-item p{margin-top:8px;font-size:13px;color:rgba(255,255,255,.68);line-height:1.85}
.notice h2{font-size:28px;font-weight:900;letter-spacing:-.02em;color:#fff}
.notice .head-sub{color:rgba(255,255,255,.68);font-size:14px;margin-top:12px;max-width:620px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .2s var(--ease),border-color .2s var(--ease)}
.faq-item.is-open{box-shadow:var(--shadow-2);border-color:#D6D5CD}
.faq-q{width:100%;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 22px;font-size:16px;font-weight:700;text-align:left;color:var(--t1)}
.faq-q .ico{flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:var(--t2);transition:transform .18s var(--ease),background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease)}
.faq-item.is-open .faq-q .ico{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:var(--ink)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease)}
.faq-a-inner{padding:0 22px 20px;font-size:14px;color:var(--t2);line-height:1.9;background:var(--paper-2)}
.faq-a-inner{padding-top:16px}

/* ---------- cta ---------- */
.cta-band{background:var(--paper-2);padding:56px 0}
.cta-inner{background:var(--ink);border-radius:18px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:24px;font-weight:900;color:#fff;letter-spacing:-.02em}
.cta-inner p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.68);max-width:560px}
.btn-outline-lime{border:1px solid var(--lime);color:var(--lime);background:transparent}
.btn-outline-lime:hover{background:var(--lime);color:var(--ink);transform:translateY(-1px)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:16px}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.66)}
.footer-col h3{font-size:14px;font-weight:700;color:var(--lime);letter-spacing:.06em;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--lime)}
.sub-form{margin-top:20px;display:flex;gap:10px}
.sub-form input{flex:1;min-height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);padding:0 14px;color:#fff;font-size:14px;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
.sub-form input::placeholder{color:rgba(255,255,255,.45)}
.sub-form input:focus{border-color:var(--lime);box-shadow:0 0 0 1px var(--lime);outline:none}
.sub-form button{min-height:46px;padding:0 20px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-weight:700;font-size:14px;transition:background-color .18s var(--ease),transform .18s var(--ease)}
.sub-form button:hover{background:#D3F55E;transform:translateY(-1px)}
.sub-tip{margin-top:10px;font-size:12px;color:rgba(255,255,255,.45)}
.footer-bottom{margin-top:52px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--lime)}

/* ---------- to top ---------- */
.to-top{position:fixed;right:22px;bottom:26px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transform:translateY(10px);transition:all .24s var(--ease);z-index:70}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:#23252C}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wall{column-count:2}
  .type-grid,.flow,.notice-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .nav-wrap{grid-template-columns:44px 1fr 44px;height:64px;padding:0 20px}
  .brand-center{font-size:16px;justify-content:center}
  .nav-drawer{top:64px}
  :root{--nav-h:64px}
  .page-hero{padding:calc(var(--nav-h) + 54px) 0 66px}
  .section{padding:66px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:25px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  body{font-size:15px}
  .wall{column-count:1}
  .type-grid,.flow,.notice-grid{grid-template-columns:1fr;gap:14px}
  .w-card{margin-bottom:14px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .cta-inner{padding:28px 22px;border-radius:14px}
  .cta-inner h2{font-size:20px}
  .hero-stats{gap:26px;margin-top:34px}
  .hero-stat b{font-size:22px}
  .sub-form{flex-direction:column}
  .sub-form button{width:100%}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .faq-q{font-size:15px;padding:14px 16px}
  .faq-a-inner{padding:14px 16px 18px}
  .section--tight{padding:52px 0}
  .notice{padding:52px 0}
}
@media (max-width:519px){
  .page-h1{font-size:30px}
  .h1-tag{margin-right:0;display:block;width:fit-content;margin-bottom:12px;transform:none}
  .to-top{right:16px;bottom:18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category5 */
:root{
  --ink:#14151A;
  --ink-2:#1D1E24;
  --paper:#F7F6F2;
  --paper-2:#EFEEE8;
  --lime:#C8F04B;
  --coral:#FF6B4A;
  --t1:#14151A;
  --t2:#5C606B;
  --t3:#9A9DA8;
  --line:#E3E2DC;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,21,26,.04);
  --sh-2:0 14px 34px -14px rgba(20,21,26,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--paper);
  color:var(--t1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{font-family:inherit;color:var(--t1);font-weight:800;letter-spacing:-.02em;margin:0;line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:inherit;}
img{max-width:100%;display:block;height:auto;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:none;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media screen and (min-width:1440px){.container{max-width:1320px;}}
.sec{padding:96px 0;}
.sec-tight{padding:72px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:30px;}
.sec-head p{color:var(--t2);font-size:15px;margin-top:10px;max-width:620px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;color:var(--t2);text-transform:uppercase;}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime);display:block;}
.link-more{font-size:14px;color:var(--t2);display:inline-flex;align-items:center;gap:6px;}
.link-more i{transition:transform .18s var(--ease);}
.link-more:hover{color:var(--t1);}
.link-more:hover i{transform:translateX(4px);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;letter-spacing:.01em;transition:all .18s var(--ease);border:1.5px solid transparent;}
.btn-primary{background:var(--lime);color:var(--ink);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-2);color:var(--ink);}
.btn-ghost{border-color:var(--line);color:var(--t1);background:transparent;}
.btn-ghost:hover{background:var(--lime);border-color:var(--lime);color:var(--ink);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--ink-2);transform:translateY(-1px);color:#fff;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;border:1px solid var(--line);color:var(--t2);background:#fff;}
.badge-hot{background:var(--coral);border-color:var(--coral);color:#fff;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(247,246,242,.88);backdrop-filter:blur(12px);border-bottom:1px solid transparent;transition:box-shadow .2s var(--ease),border-color .2s var(--ease);}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(20,21,26,.5);border-bottom-color:var(--line);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:74px;}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;flex:1 1 0;}
.nav-right{justify-content:flex-end;}
.nav-link{position:relative;font-size:15px;color:var(--t2);padding:8px 12px;border-radius:8px;white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--lime);transform:scaleX(0);transform-origin:left center;transition:transform .18s var(--ease);}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;font-weight:900;font-size:19px;letter-spacing:-.02em;}
.brand-mark{width:20px;height:20px;border-radius:6px;background:var(--ink);position:relative;display:block;flex:0 0 20px;}
.brand-mark::after{content:"";position:absolute;left:5px;top:5px;width:10px;height:10px;border-radius:3px;background:var(--lime);}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:18px;color:var(--t1);}
.drawer{position:fixed;inset:0;background:var(--ink);z-index:90;display:none;flex-direction:column;padding:24px 20px 32px;}
.drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;color:#fff;margin-bottom:28px;}
.drawer-top .brand{color:#fff;}
.drawer-top .brand-mark{background:var(--lime);}
.drawer-top .brand-mark::after{background:var(--ink);}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.2);color:#fff;font-size:18px;display:flex;align-items:center;justify-content:center;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;flex:1;}
.drawer-nav a{color:rgba(255,255,255,.76);font-size:17px;padding:14px 4px;border-bottom:1px solid rgba(255,255,255,.08);}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--lime);}

/* ---------- page hero ---------- */
.page-hero{position:relative;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;color:#fff;overflow:hidden;}
.page-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(20,21,26,.92) 0%,rgba(20,21,26,.78) 52%,rgba(20,21,26,.6) 100%);}
.page-hero .container{position:relative;z-index:2;padding-top:76px;padding-bottom:76px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px;}
.crumb a:hover{color:var(--lime);}
.crumb span.sep{opacity:.5;}
.page-hero h1{font-size:50px;color:#fff;max-width:14em;}
.page-hero .hero-sub{margin-top:18px;font-size:16px;color:rgba(255,255,255,.78);max-width:660px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.26);color:rgba(255,255,255,.86);}
.search-shell{margin-top:34px;display:flex;gap:12px;max-width:640px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:10px;}
.search-shell input{flex:1;height:46px;border-radius:10px;border:1px solid transparent;background:rgba(20,21,26,.5);color:#fff;padding:0 16px;}
.search-shell input::placeholder{color:rgba(255,255,255,.5);}
.search-shell input:focus{border-color:var(--lime);outline:none;}
.search-shell button{height:46px;padding:0 22px;border-radius:10px;background:var(--lime);color:var(--ink);font-weight:700;}

/* ---------- quick check ---------- */
.quick{background:var(--paper-2);}
.quick-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.quick-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh-1);}
.quick-figure img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:transform .3s var(--ease);}
.quick-figure:hover img{transform:scale(1.03);}
.quick-list{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.quick-item{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);transition:box-shadow .18s var(--ease),transform .18s var(--ease);}
.quick-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.quick-item .num{flex:0 0 34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;}
.quick-item h3{font-size:17px;margin-bottom:6px;}
.quick-item p{font-size:14px;color:var(--t2);}

/* ---------- faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:256px minmax(0,1fr);gap:48px;align-items:start;}
.toc{position:sticky;top:98px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);}
.toc h2{font-size:14px;letter-spacing:.1em;color:var(--t2);text-transform:uppercase;margin-bottom:14px;font-weight:700;}
.toc a{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:14px;color:var(--t2);padding:9px 10px;border-radius:8px;}
.toc a:hover{background:var(--paper-2);color:var(--t1);}
.toc a em{font-style:normal;font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;}
.toc .toc-cta{margin-top:16px;display:block;text-align:center;padding:11px;border-radius:var(--r-btn);background:var(--ink);color:#fff;font-size:14px;font-weight:700;}
.toc .toc-cta:hover{background:var(--ink-2);color:#fff;}
.toc-mobile{display:none;}

.faq-group{margin-bottom:48px;scroll-margin-top:100px;}
.faq-group-head{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.faq-group-head .dot{width:10px;height:10px;border-radius:3px;background:var(--lime);flex:0 0 10px;}
.faq-group-head h2{font-size:22px;}
.faq-group-head .count{margin-left:auto;font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:box-shadow .18s var(--ease),border-color .18s var(--ease);}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item[open]{border-color:#D6D5CD;box-shadow:var(--sh-1);}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:14px 22px;font-size:16px;font-weight:600;cursor:pointer;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"";flex:0 0 16px;width:16px;height:16px;background:linear-gradient(var(--t1),var(--t1)) center/16px 2px no-repeat,linear-gradient(var(--t1),var(--t1)) center/2px 16px no-repeat;transition:transform .18s var(--ease),background .18s var(--ease);}
.faq-item[open] summary::after{transform:rotate(180deg);background:linear-gradient(var(--ink),var(--ink)) center/16px 2px no-repeat;}
.faq-body{padding:0 22px 20px;}
.faq-body p{background:var(--paper-2);border-radius:12px;padding:16px 18px;font-size:14.5px;color:var(--t2);line-height:1.9;}
.faq-body p + p{margin-top:10px;}

/* ---------- related ---------- */
.related{background:var(--ink);color:#fff;}
.related h2{color:#fff;font-size:30px;}
.related .sec-head p{color:rgba(255,255,255,.66);}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:24px;display:flex;flex-direction:column;gap:12px;transition:all .18s var(--ease);}
.rel-card:hover{background:rgba(255,255,255,.09);transform:translateY(-2px);color:#fff;}
.rel-card .tag{font-size:12px;color:var(--lime);letter-spacing:.1em;}
.rel-card h3{color:#fff;font-size:19px;}
.rel-card p{color:rgba(255,255,255,.66);font-size:14px;}
.rel-card .go{margin-top:auto;font-size:14px;color:#fff;display:inline-flex;align-items:center;gap:6px;}
.rel-card .go i{transition:transform .18s var(--ease);}
.rel-card:hover .go i{transform:translateX(4px);}

/* ---------- cta ---------- */
.cta-bar{background:var(--paper-2);}
.cta-inner{background:var(--ink);border-radius:18px;padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:26px;}
.cta-inner p{color:rgba(255,255,255,.68);font-size:14.5px;margin-top:8px;max-width:560px;}
.cta-inner .btn-primary{border:1.5px solid var(--lime);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.site-footer .brand-mark{background:var(--lime);}
.site-footer .brand-mark::after{background:var(--ink);}
.footer-col h3{color:var(--lime);font-size:14px;letter-spacing:.06em;margin-bottom:18px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.64);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);}
.footer-links a:hover{color:var(--lime);}
.sub-form{display:flex;gap:10px;margin-top:18px;}
.sub-form input{flex:1;min-width:0;height:46px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;}
.sub-form input::placeholder{color:rgba(255,255,255,.42);}
.sub-form input:focus{border-color:var(--lime);outline:none;}
.sub-form button{height:46px;padding:0 18px;border-radius:var(--r-btn);background:var(--lime);color:var(--ink);font-weight:700;white-space:nowrap;}
.sub-tip{font-size:12.5px;color:rgba(255,255,255,.44);margin-top:10px;}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.5);}
.footer-bottom a{color:rgba(255,255,255,.5);}
.footer-bottom a:hover{color:var(--lime);}
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--lime);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transition:opacity .2s var(--ease),transform .2s var(--ease);z-index:50;}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-3px);color:var(--lime);}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .sec{padding:64px 0;}
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:flex;}
  .header-inner{min-height:64px;}
  .brand{font-size:17px;}
  .page-hero h1{font-size:36px;}
  .page-hero .container{padding-top:56px;padding-bottom:56px;}
  .quick-grid{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:0;}
  .toc{display:none;}
  .toc-mobile{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:6px 16px;margin-bottom:32px;box-shadow:var(--sh-1);}
  .toc-mobile summary{list-style:none;min-height:52px;display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:15px;cursor:pointer;}
  .toc-mobile summary::-webkit-details-marker{display:none;}
  .toc-mobile summary::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--t2);}
  .toc-mobile[open] summary::after{content:"\f106";}
  .toc-mobile .toc-links{display:flex;flex-direction:column;gap:2px;padding-bottom:12px;}
  .toc-mobile .toc-links a{font-size:14px;color:var(--t2);padding:9px 2px;border-top:1px solid var(--line);}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:639px){
  .container{padding:0 20px;}
  .sec{padding:52px 0;}
  .sec-head h2{font-size:24px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-sub{font-size:15px;}
  .search-shell{flex-direction:column;}
  .search-shell button{width:100%;}
  .faq-item summary{padding:14px 16px;font-size:15px;}
  .faq-body{padding:0 16px 16px;}
  .cta-inner{padding:28px 22px;}
  .cta-inner h2{font-size:21px;}
  .rel-grid{gap:14px;}
  .footer-grid{grid-template-columns:1fr;}
  .sub-form{flex-direction:column;}
  .sub-form button{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}