/* roulang page: index */
:root{
  --bg-0:#0B0E13;
  --bg-1:#121722;
  --bg-2:#1A2029;
  --line:rgba(255,255,255,.08);
  --acc:#B7F03B;
  --acc-2:#FF5A36;
  --acc-3:#35D6C0;
  --t1:#F2F5F8;
  --t2:#A9B3C1;
  --t3:#6E7889;
  --paper:#F5F6F3;
  --paper-ink:#1B2027;
  --paper-acc:#4F7A12;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.75);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:clamp(56px,7vw,96px) 0;}
.section-tight{padding:clamp(40px,5vw,64px) 0;}
.grid-lines{
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:48px 48px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;color:var(--acc-3);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--acc-3);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;}
.section-head p{margin-top:14px;color:var(--t2);font-size:16px;}
.badge-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;color:var(--t2);
}
.badge-chip i{color:var(--acc-3);font-size:11px;}
.badge-hot{background:var(--acc-2);border-color:var(--acc-2);color:#fff;}

/* header */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(18,23,34,.96);
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.scrolled{background:var(--bg-1);box-shadow:0 10px 30px -20px rgba(0,0,0,.9);}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;display:grid;grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);gap:3px;padding:4px;
  border:1px solid var(--line);border-radius:10px;background:var(--bg-2);
}
.brand-mark i{background:var(--acc);border-radius:1px;opacity:.35;}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(5),.brand-mark i:nth-child(9){opacity:1;}
.brand-text{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;font-size:15px;color:var(--t2);padding:6px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--acc);transform:scaleX(0);transform-origin:left;
  transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  background:var(--acc);color:#0B0E13;font-weight:700;font-size:15px;
  border-radius:var(--r-pill);border:1px solid var(--acc);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.btn-cta:hover{background:#c8ff4d;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(183,240,59,.7);color:#0B0E13;}
.btn-cta i{font-size:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg-2);padding:0;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{width:18px;height:2px;background:var(--t1);display:block;border-radius:2px;}
.mobile-drawer{
  position:fixed;inset:72px 0 0 0;z-index:999;background:var(--bg-1);
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
  padding:24px 20px 32px;overflow-y:auto;
}
.mobile-drawer.open{opacity:1;transform:translateY(0);pointer-events:auto;}
.mobile-drawer a.drawer-link{
  display:block;font-size:18px;color:var(--t1);padding:16px 0;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link:hover{color:var(--acc);}
.mobile-drawer .btn-cta{width:100%;justify-content:center;margin-top:24px;height:48px;}

/* hero */
.hero{
  position:relative;padding:clamp(48px,6vw,84px) 0 clamp(40px,5vw,64px);
  border-bottom:1px solid var(--line);overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(183,240,59,.12),transparent 65%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;}
.hero h1{
  font-size:clamp(28px,4.4vw,44px);font-weight:800;line-height:1.2;
  letter-spacing:-.01em;margin:16px 0 0;
}
.hero-sub{margin-top:18px;font-size:18px;line-height:1.7;color:var(--t2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;
  border:1px solid var(--line);border-radius:var(--r-pill);color:var(--t1);
  font-size:15px;font-weight:600;background:transparent;
  transition:border-color .2s var(--ease),transform .2s var(--ease),color .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc);transform:translateY(-2px);}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;background:var(--bg-2);}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(11,14,19,.55),rgba(11,14,19,.15) 55%,rgba(11,14,19,0));}
.hero-figure .fig-tag{
  position:absolute;left:18px;bottom:18px;z-index:2;
  padding:6px 14px;border-radius:var(--r-pill);background:rgba(11,14,19,.8);
  border:1px solid var(--line);color:var(--t1);font-size:13px;
}
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:44px;
  border-top:1px solid var(--line);padding-top:26px;
}
.metric-bar .metric{padding-right:20px;border-right:1px solid var(--line);}
.metric-bar .metric:last-child{border-right:none;}
.metric b{display:block;font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--acc);line-height:1.1;}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--t3);}

/* pain rows */
.pain-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--line);}
.pain-row{
  display:flex;gap:20px;align-items:flex-start;padding:24px 4px;
  border-bottom:1px solid var(--line);transition:background .2s var(--ease),padding-left .2s var(--ease);
}
.pain-row:hover{background:rgba(255,255,255,.02);padding-left:12px;}
.pain-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg-2);display:flex;align-items:center;justify-content:center;color:var(--acc-2);font-size:16px;
}
.pain-row h3{font-size:17px;font-weight:600;margin-bottom:6px;}
.pain-row p{font-size:14px;color:var(--t2);}

/* steps */
.steps-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.steps-aside{position:sticky;top:104px;}
.steps-aside h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.steps-aside p{margin-top:16px;color:var(--t2);}
.steps-aside .btn-ghost{margin-top:24px;}
.steps{position:relative;padding-left:34px;}
.steps::before{content:"";position:absolute;left:11px;top:8px;bottom:8px;width:1px;background:var(--line);}
.step{position:relative;padding-bottom:34px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-34px;top:6px;width:23px;height:23px;border-radius:50%;
  background:var(--bg-0);border:1px solid var(--acc);
}
.step::after{
  content:"";position:absolute;left:-27px;top:13px;width:9px;height:9px;border-radius:50%;background:var(--acc);
}
.step-num{font-size:12px;letter-spacing:.14em;color:var(--acc-3);}
.step h3{font-size:20px;font-weight:600;margin:8px 0 10px;}
.step p{font-size:15px;color:var(--t2);}

/* results */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  margin-bottom:44px;
}
.stat-strip .stat{padding:28px 22px;border-right:1px solid var(--line);}
.stat-strip .stat:last-child{border-right:none;}
.stat-strip b{display:block;font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--acc);line-height:1.1;}
.stat-strip span{display:block;margin-top:8px;font-size:13px;color:var(--t3);}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.case-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;display:flex;gap:20px;align-items:flex-start;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--acc);}
.case-thumb{flex:0 0 112px;width:112px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;background:var(--bg-1);}
.case-thumb img{width:100%;height:100%;object-fit:cover;}
.case-card h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.case-card p{font-size:14px;line-height:1.7;}
.case-card .meta{margin-top:12px;font-size:13px;color:var(--t3);}

/* voices */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.voice{
  background:var(--bg-1);border:1px solid var(--line);border-left:3px solid var(--acc);
  border-radius:0 var(--r-card) var(--r-card) 0;padding:26px;
}
.voice p{font-size:15px;color:var(--t1);line-height:1.8;}
.voice .who{margin-top:18px;font-size:13px;color:var(--t3);}
.voice .who strong{color:var(--t2);font-weight:600;}

/* latest */
.latest-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--acc);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1);border-bottom:1px solid var(--line);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body h3 a:hover{color:var(--acc);}
.post-excerpt{font-size:14px;color:var(--t2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);}
.post-foot .more{color:var(--acc);font-weight:600;}
.post-foot .more:hover{text-decoration:underline;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);padding:44px 26px;text-align:center;
}
.empty-state i{font-size:22px;color:var(--acc-3);}
.empty-state p{margin:14px 0 20px;color:var(--t2);}
.empty-state .btn-ghost{height:42px;}

/* faq */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-wrap .side h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.faq-wrap .side p{margin-top:16px;color:var(--t2);}
.accordion-item{background:transparent;border:none;border-bottom:1px solid var(--line);}
.accordion-button{
  background:transparent;color:var(--t1);font-size:17px;font-weight:600;
  padding:22px 44px 22px 18px;box-shadow:none;border-radius:0;
  position:relative;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:24px;width:3px;height:16px;background:var(--acc);
  border-radius:2px;transition:height .2s var(--ease);
}
.accordion-button:not(.collapsed)::before{height:26px;}
.accordion-button:not(.collapsed){background:transparent;color:var(--acc);}
.accordion-button:focus{box-shadow:none;outline:none;}
.accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:400;line-height:1;
  width:auto;height:auto;color:var(--acc);transform:none;
  display:flex;align-items:center;justify-content:center;
  position:absolute;right:12px;top:50%;margin-top:-11px;transition:transform .2s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{padding:0 44px 24px 18px;font-size:15px;color:var(--t2);line-height:1.8;}

/* cta */
.cta-band{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;}
.cta-band .cta-bg{position:absolute;inset:0;z-index:0;}
.cta-band .cta-bg img{width:100%;height:100%;object-fit:cover;opacity:.28;}
.cta-band .cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,14,19,.94),rgba(11,14,19,.75));}
.cta-band .site-container{position:relative;z-index:1;}
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.cta-copy p{margin-top:16px;}
.cta-list{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;gap:10px;font-size:14px;color:var(--t2);}
.cta-list i{color:var(--acc);margin-top:5px;font-size:12px;}
.form-card{background:rgba(26,32,41,.86);border:1px solid var(--line);border-radius:var(--r-card);padding:30px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:8px;letter-spacing:.02em;}
.field input,.field textarea,.field select{
  width:100%;height:48px;padding:0 14px;background:var(--bg-2);color:var(--t1);
  border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .2s var(--ease);
}
.field textarea{height:112px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--t3);}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--acc);box-shadow:none;}
.form-card .btn-cta{width:100%;justify-content:center;height:48px;}
.form-note{margin-top:14px;font-size:12px;color:var(--t3);}

/* footer */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:5fr 3fr 3fr 3fr;gap:36px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--t2);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--t2);position:relative;padding-left:0;transition:padding-left .2s var(--ease),color .2s var(--ease);}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--acc);
  transform:translateY(-50%);transition:width .2s var(--ease);
}
.footer-col a:hover{color:var(--t1);padding-left:14px;}
.footer-col a:hover::before{width:10px;}
.footer-col .plain{font-size:14px;color:var(--t2);}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--t1);}

@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-sub{max-width:none;}
  .steps-wrap,.faq-wrap,.cta-grid{grid-template-columns:1fr;gap:32px;}
  .steps-aside,.faq-wrap .side{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .header-actions .btn-cta{display:none;}
  .nav-toggle{display:flex;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .case-grid{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-strip .stat:nth-child(2){border-right:none;}
  .stat-strip .stat:nth-child(1),.stat-strip .stat:nth-child(2){border-bottom:1px solid var(--line);}
}
@media (max-width:767px){
  .metric-bar{grid-template-columns:repeat(2,1fr);gap:22px 0;}
  .metric-bar .metric:nth-child(2){border-right:none;}
  .metric-bar .metric{padding-right:14px;}
  .post-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .site-container{padding:0 16px;}
  .form-card{padding:22px;}
  .case-card{flex-direction:column;}
  .case-thumb{width:100%;flex:none;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:575px){
  .hero-actions{flex-direction:column;}
  .hero-actions .btn-cta,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip .stat{border-right:none;border-bottom:1px solid var(--line);}
  .metric-bar{grid-template-columns:1fr;}
  .metric-bar .metric{border-right:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --bg-0:#0B0E13;
  --bg-1:#121722;
  --bg-2:#1A2029;
  --line:rgba(255,255,255,.08);
  --acc:#B7F03B;
  --acc-2:#FF5A36;
  --acc-3:#35D6C0;
  --t1:#F2F5F8;
  --t2:#A9B3C1;
  --t3:#6E7889;
  --paper:#F5F6F3;
  --paper-ink:#1B2027;
  --paper-acc:#4F7A12;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.75);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--t1)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
.site-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
@media (min-width:1400px){.site-container{max-width:1280px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s var(--ease),background .2s var(--ease);
}
.site-header.is-stuck{background:#0E131C;box-shadow:0 12px 30px -22px rgba(0,0,0,.9)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--t1)}
.brand-mark{display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;width:26px;height:26px}
.brand-mark i{background:var(--acc);border-radius:1px;opacity:.28}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(5),.brand-mark i:nth-child(9){opacity:1}
.brand-text{font-size:18px;font-weight:800;letter-spacing:.01em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;
  color:var(--t2);font-size:15px;font-weight:500;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.04)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--t1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  background:var(--acc);color:#0B0E13;font-size:14px;font-weight:700;
  border-radius:var(--r-pill);border:1px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.btn-cta:hover{color:#0B0E13;background:#C6FF52;transform:translateY(-2px);box-shadow:0 12px 24px -14px rgba(183,240,59,.7)}
.btn-cta:active{transform:translateY(0)}
.btn-cta i{font-size:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg-2);cursor:pointer;padding:0;
  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)}
.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)}

/* ---------- Buttons ---------- */
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:46px;padding:0 22px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--t1);font-size:15px;font-weight:600;background:transparent;
  transition:border-color .18s var(--ease),transform .18s var(--ease),background .18s var(--ease);
}
.btn-ghost:hover{border-color:var(--acc);color:var(--t1);transform:translateY(-2px);background:rgba(183,240,59,.06)}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  background:var(--acc);color:#0B0E13;font-size:15px;font-weight:700;
  border:1px solid transparent;border-radius:var(--r-pill);cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease);
}
.btn-solid:hover{color:#0B0E13;background:#C6FF52;transform:translateY(-2px);box-shadow:0 14px 28px -16px rgba(183,240,59,.75)}
.btn-solid:active{transform:translateY(0)}
.btn-warm{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;
  background:var(--acc-2);color:#fff;font-size:15px;font-weight:700;
  border:1px solid transparent;border-radius:var(--r-pill);cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease);
}
.btn-warm:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px -16px rgba(255,90,54,.75)}

/* ---------- Badges & labels ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border:1px solid var(--line);border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;color:var(--t2);background:rgba(255,255,255,.02);
}
.chip-accent{border-color:rgba(53,214,192,.45);color:#9EF0E5}
.tag-warm{display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);background:var(--acc-2);color:#fff;font-size:12px;font-weight:700;letter-spacing:.04em}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--acc-3);text-transform:uppercase;font-weight:600}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc-3);opacity:.6}

/* ---------- Breadcrumb ---------- */
.crumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);letter-spacing:.02em}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.18)}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--acc)}
.breadcrumb .current{color:var(--t2);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- Article layout ---------- */
.article-section{padding:26px 0 clamp(56px,7vw,88px)}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:32px;align-items:start}
.article-main{min-width:0}
.article-head{padding:8px 0 26px;border-bottom:1px solid var(--line)}
.article-head h1{font-size:clamp(24px,3.4vw,36px);font-weight:800;line-height:1.28;letter-spacing:-.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--t3);letter-spacing:.02em}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t3);opacity:.7}
.paper-card{
  margin-top:28px;background:var(--paper);border-radius:var(--r-card);
  box-shadow:var(--shadow);border:1px solid rgba(0,0,0,.06);
  padding:clamp(24px,4vw,48px);
}
.prose{color:var(--paper-ink);font-size:16px;line-height:1.9;max-width:820px;margin:0 auto;word-break:break-word}
.prose p{margin:0 0 1.2em}
.prose h2{position:relative;padding-left:14px;font-size:22px;font-weight:700;color:#12161C;margin:1.9em 0 .7em;line-height:1.4}
.prose h2::before{content:"";position:absolute;left:0;top:.3em;bottom:.3em;width:4px;border-radius:2px;background:var(--paper-acc)}
.prose h3{font-size:18px;font-weight:700;color:#12161C;margin:1.6em 0 .6em}
.prose h4{font-size:16px;font-weight:700;color:#12161C;margin:1.4em 0 .5em}
.prose a{color:var(--paper-acc);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:#365108}
.prose strong{color:#12161C;font-weight:700}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:0}
.prose ul li{position:relative;padding-left:20px;margin:.45em 0}
.prose ul li::before{content:"";position:absolute;left:4px;top:.78em;width:5px;height:5px;border-radius:50%;background:var(--paper-acc)}
.prose ol{counter-reset:item}
.prose ol li{position:relative;padding-left:30px;margin:.5em 0;counter-increment:item}
.prose ol li::before{
  content:counter(item);position:absolute;left:0;top:.28em;
  width:20px;height:20px;border-radius:6px;background:rgba(79,122,18,.12);color:var(--paper-acc);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;
}
.prose blockquote{
  margin:1.4em 0;padding:16px 20px;border-left:3px solid var(--paper-acc);
  background:rgba(79,122,18,.06);border-radius:0 10px 10px 0;color:#2A313A;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--r-img);margin:1.4em auto;box-shadow:0 12px 26px -18px rgba(0,0,0,.5)}
.prose figure{margin:1.4em 0}
.prose figcaption{font-size:13px;color:#5C6470;text-align:center;margin-top:10px}
.prose code{background:rgba(27,32,39,.08);padding:2px 6px;border-radius:6px;font-size:14px;color:#2A313A}
.prose pre{background:#1B2027;color:#E7ECF2;padding:18px;border-radius:12px;overflow:auto}
.prose pre code{background:none;color:inherit;padding:0}
.prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px}
.prose th,.prose td{border-bottom:1px solid rgba(27,32,39,.12);padding:10px 12px;text-align:left}
.prose th{color:#12161C;font-weight:700;background:rgba(27,32,39,.04)}
.prose hr{border:0;border-top:1px solid rgba(27,32,39,.12);margin:2em 0}
.empty-note{text-align:center;padding:48px 20px}
.empty-note i{font-size:30px;color:var(--paper-acc);margin-bottom:14px;display:block}
.empty-note h2{font-size:20px;color:#12161C;margin-bottom:10px}
.empty-note p{color:#5C6470;margin-bottom:20px}
.empty-note a{display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-pill);background:var(--paper-acc);color:#fff;font-weight:700}
.empty-note a:hover{color:#fff;background:#3E620C}

/* ---------- Article footer actions ---------- */
.article-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:26px}
.light-btn{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  border:1px solid var(--line);border-radius:var(--r-btn);background:var(--bg-2);
  color:var(--t1);font-size:14px;font-weight:600;cursor:pointer;
  transition:border-color .18s var(--ease),transform .18s var(--ease);
}
.light-btn:hover{border-color:var(--acc);color:var(--t1);transform:translateY(-2px)}

/* ---------- Sidebar ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:22px}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--acc)}
.side-list li+li{margin-top:2px}
.side-list a{display:flex;align-items:flex-start;gap:9px;padding:9px 0;font-size:14px;color:var(--t2);border-bottom:1px solid var(--line)}
.side-list li:last-child a{border-bottom:0}
.side-list a:hover{color:var(--acc)}
.side-list a i{margin-top:5px;font-size:11px;color:var(--acc-3)}
.side-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--t3);padding:8px 0;border-bottom:1px dashed var(--line)}
.side-meta:last-child{border-bottom:0}
.side-meta b{color:var(--t1);font-weight:600}

/* ---------- Related ---------- */
.related-section{padding:clamp(48px,6vw,72px) 0 0}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.6vw,30px);margin-top:12px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card-item{
  display:flex;flex-direction:column;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card-item:hover{transform:translateY(-3px);border-color:var(--acc);box-shadow:var(--shadow),0 0 0 1px var(--acc)}
.card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-1)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.card-item:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:18px;font-weight:600;line-height:1.45}
.card-body p{font-size:14px;line-height:1.7;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)}
.card-foot .more{color:var(--acc);font-weight:600}

/* ---------- Prev / Next strip ---------- */
.pager-strip{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:clamp(40px,5vw,60px)}
.pager-item{
  display:flex;gap:14px;align-items:center;padding:20px;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.pager-item:hover{border-color:var(--acc);transform:translateY(-2px)}
.pager-item .pi-icon{width:42px;height:42px;flex:0 0 auto;border-radius:12px;background:rgba(183,240,59,.1);color:var(--acc);display:flex;align-items:center;justify-content:center}
.pager-item span{display:block;font-size:12px;color:var(--t3);letter-spacing:.06em;margin-bottom:4px}
.pager-item strong{color:var(--t1);font-size:15px;font-weight:600}

/* ---------- FAQ ---------- */
.faq-section{padding:clamp(48px,6vw,80px) 0 0}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.accordion-button{
  background:transparent;color:var(--t1);font-size:17px;font-weight:600;
  padding:20px 40px 20px 18px;box-shadow:none;border-radius:0;position:relative;
}
.accordion-button::before{content:"";position:absolute;left:0;top:24px;width:3px;height:14px;border-radius:2px;background:var(--acc);transition:height .2s var(--ease)}
.accordion-button:not(.collapsed){color:var(--acc)}
.accordion-button:not(.collapsed)::before{height:24px}
.accordion-button:not(.collapsed){background:rgba(183,240,59,.04);box-shadow:none}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button::after{
  background-image:none;content:"+"!important;font-size:20px;font-weight:400;color:var(--t2);
  width:auto;height:auto;line-height:1;transform:none;transition:transform .2s var(--ease);display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--acc)}
.accordion-body{color:var(--t2);font-size:15px;line-height:1.8;padding:0 40px 22px 18px}

/* ---------- CTA ---------- */
.cta-band{padding:clamp(56px,7vw,88px) 0}
.cta-inner{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:20px;
  background:var(--bg-1);padding:clamp(28px,4vw,52px);
}
.cta-inner::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 88% 10%,rgba(183,240,59,.14),transparent 45%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.cta-grid h2{font-size:clamp(22px,2.6vw,30px);margin:12px 0 14px}
.cta-grid p{font-size:15px;line-height:1.8}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13px;color:var(--t3);letter-spacing:.03em;margin-bottom:7px}
.form-control,.form-select{
  width:100%;height:48px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-btn);
  color:var(--t1);padding:0 14px;font-size:15px;transition:border-color .18s var(--ease);
}
textarea.form-control{height:auto;padding:12px 14px;resize:vertical;min-height:104px}
.form-control::placeholder{color:var(--t3)}
.form-control:focus,.form-select:focus{background:var(--bg-2);color:var(--t1);border-color:var(--acc);box-shadow:none;outline:none}
.form-note{font-size:13px;color:var(--t3);margin-top:12px}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(44px,6vw,72px) 0 0;margin-top:clamp(56px,7vw,96px)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t2);max-width:34ch}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--t1)}
.footer-col ul li+li{margin-top:10px}
.footer-col a,.footer-col .plain{position:relative;font-size:14px;color:var(--t2)}
.footer-col a{padding-left:0;transition:color .18s var(--ease),padding-left .18s var(--ease)}
.footer-col a::before{content:"";position:absolute;left:0;top:50%;width:0;height:1px;background:var(--acc);transition:width .18s var(--ease)}
.footer-col a:hover{color:var(--t1);padding-left:14px}
.footer-col a:hover::before{width:10px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--acc)}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;gap:20px}
  .article-side .side-card{flex:1 1 280px}
}
@media (max-width:991.98px){
  .main-nav{
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg-1);border-bottom:1px solid var(--line);
    padding:12px 20px 20px;margin-left:0;
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{font-size:17px;padding:14px 6px;line-height:1.4}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .header-inner{gap:14px}
  .header-actions .btn-cta{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .pager-strip{grid-template-columns:1fr}
}
@media (max-width:767.98px){
  .site-container{padding:0 18px}
  .related-grid{grid-template-columns:1fr}
  .card-body{padding:20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-side{flex-direction:column}
  .breadcrumb .current{white-space:normal;max-width:none}
}
@media (max-width:575.98px){
  .brand-text{font-size:16px}
  .paper-card{padding:20px}
  .prose{font-size:16px}
  .btn-solid,.btn-ghost,.btn-warm{width:100%;justify-content:center}
  .article-actions .light-btn{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card-item:hover,.btn-cta:hover,.btn-solid:hover,.btn-warm:hover,.btn-ghost:hover,.pager-item:hover,.light-btn:hover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B0E13;
  --bg-1:#121722;
  --bg-2:#1A2029;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.18);
  --acc:#B7F03B;
  --acc-2:#FF5A36;
  --acc-3:#35D6C0;
  --t1:#F2F5F8;
  --t2:#A9B3C1;
  --t3:#6E7889;
  --paper:#F5F6F3;
  --paper-ink:#1B2027;
  --paper-acc:#4F7A12;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.75);
  --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(--bg-0);
  color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:48px 48px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;}
a{color:var(--acc-3);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--acc);}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.3;}
h1{font-size:clamp(26px,3.6vw,40px);font-weight:800;letter-spacing:-.01em;line-height:1.2;}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:20px;font-weight:600;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;}
.site-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.xxl-wide{max-width:1280px;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--bg-1);
  border-bottom:1px solid var(--line);
  transition:background .22s var(--ease),box-shadow .22s var(--ease);
}
.site-header.is-scrolled{
  background:#0E131C;
  box-shadow:0 14px 34px -26px rgba(0,0,0,.95);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  color:var(--t1);
  flex:0 0 auto;
}
.brand:hover{color:var(--t1);}
.brand-mark{
  display:grid;
  grid-template-columns:repeat(3,6px);
  grid-template-rows:repeat(3,6px);
  gap:2px;
  flex:0 0 auto;
}
.brand-mark i{
  display:block;
  width:6px;
  height:6px;
  border:1px solid rgba(183,240,59,.45);
  border-radius:1px;
}
.brand-mark i:nth-child(1),
.brand-mark i:nth-child(5),
.brand-mark i:nth-child(9){
  background:var(--acc);
  border-color:var(--acc);
}
.brand-text{
  font-size:19px;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  color:var(--t2);
  font-size:15px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  background:var(--acc);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s 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:600;}
.header-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.btn-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:0;
  border-radius:999px;
  background:var(--acc);
  color:#0B0E13;
  font-size:15px;
  font-weight:700;
  white-space:nowrap;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-cta:hover{
  color:#0B0E13;
  background:#C9FF55;
  transform:translateY(-2px);
  box-shadow:0 12px 26px -16px rgba(183,240,59,.7);
}
.btn-cta:active{transform:translateY(0);}
.btn-cta i{font-size:13px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:var(--bg-2);
  cursor:pointer;
  padding:0;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--t1);
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--acc);}
.nav-cta-mobile{display:none;}

/* ============ BREADCRUMB ============ */
.breadcrumb-bar{
  border-bottom:1px solid var(--line);
  background:rgba(18,23,34,.6);
}
.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:16px 0;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--t3);
}
.breadcrumb-list li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb-list li+li::before{
  content:"/";
  color:var(--t3);
  opacity:.6;
}
.breadcrumb-list a{color:var(--t3);}
.breadcrumb-list a:hover{color:var(--acc);}
.breadcrumb-list .current{color:var(--t2);}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding-block:clamp(44px,5.6vw,78px) clamp(46px,5.6vw,84px);
  background:
    radial-gradient(900px 420px at 78% 12%,rgba(53,214,192,.10),transparent 66%),
    radial-gradient(760px 380px at 6% 88%,rgba(183,240,59,.08),transparent 68%),
    var(--bg-1);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns:1fr 1.12fr;
  gap:clamp(28px,4vw,56px);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:16px;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--acc-3);
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--acc-3);
  opacity:.8;
}
.hero h1{margin-bottom:18px;}
.hero h1 .hl{color:var(--acc);}
.hero-lead{
  font-size:clamp(16px,1.4vw,19px);
  line-height:1.75;
  color:var(--t2);
  max-width:36em;
  margin-bottom:26px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:30px;
}
.btn-outline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:transparent;
  color:var(--t1);
  font-size:15px;
  font-weight:600;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.btn-outline:hover{
  color:var(--t1);
  border-color:var(--acc);
  background:rgba(183,240,59,.06);
  transform:translateY(-2px);
}
.stat-row{
  display:flex;
  flex-wrap:wrap;
  align-items:stretch;
  gap:0;
  border-top:1px solid var(--line);
  padding-top:22px;
}
.stat-item{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.stat-item:first-child{padding-left:0;border-left:0;}
.stat-num{
  display:block;
  font-size:clamp(24px,2.6vw,32px);
  font-weight:800;
  color:var(--acc);
  line-height:1.15;
}
.stat-label{
  display:block;
  margin-top:4px;
  font-size:13px;
  color:var(--t3);
}
.hero-media{
  position:relative;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  overflow:hidden;
  aspect-ratio:16/11;
  box-shadow:var(--shadow);
  background:var(--bg-2);
}
.hero-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.hero-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,14,19,.10) 0%,rgba(11,14,19,.55) 100%);
  pointer-events:none;
}
.hero-tag{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(11,14,19,.78);
  border:1px solid var(--line-strong);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--t1);
}
.hero-tag i{color:var(--acc-2);}

/* ============ SECTION ============ */
.section{padding-block:clamp(56px,7vw,96px);position:relative;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  max-width:760px;
  margin-bottom:clamp(32px,4vw,52px);
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--t2);margin-bottom:0;}

/* ============ ZIGZAG ============ */
.zigzag{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,4.4vw,64px);
  align-items:center;
}
.zigzag + .zigzag{margin-top:clamp(48px,6vw,88px);}
.zigzag.reverse .zigzag-media{order:2;}
.zigzag.reverse .zigzag-body{order:1;}
.zigzag-media{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/10;
  background:var(--bg-2);
  box-shadow:var(--shadow);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.zigzag-media img{width:100%;height:100%;object-fit:cover;}
.zigzag-media:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow),0 0 0 1px var(--acc);
}
.zigzag-index{
  display:inline-block;
  font-size:12px;
  letter-spacing:.16em;
  color:var(--acc-3);
  margin-bottom:12px;
}
.zigzag-body h3{
  font-size:clamp(20px,2.2vw,26px);
  margin-bottom:14px;
}
.zigzag-body p{color:var(--t2);}
.mini-list{
  margin-top:18px;
  border-top:1px solid var(--line);
}
.mini-list li{
  display:flex;
  gap:12px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--t2);
}
.mini-list li i{
  color:var(--acc);
  font-size:12px;
  margin-top:6px;
  flex:0 0 auto;
}
.pill-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--t2);
  margin:0 8px 10px 0;
}
.pill-tag i{color:var(--acc-3);font-size:11px;}
.tag-accent{
  background:var(--acc-2);
  border-color:var(--acc-2);
  color:#fff;
}
.tag-accent i{color:#fff;}

/* ============ CHECK LIST BLOCK ============ */
.panel{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:clamp(26px,3.4vw,44px);
  box-shadow:var(--shadow);
}
.check-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0 40px;
}
.check-grid li{
  display:flex;
  gap:14px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
  color:var(--t2);
}
.check-grid li span.mark{
  flex:0 0 auto;
  width:22px;
  height:22px;
  margin-top:4px;
  border-radius:6px;
  border:1px solid rgba(183,240,59,.5);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--acc);
  font-size:10px;
}
.check-grid li b{color:var(--t1);font-weight:600;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.accordion-button{
  position:relative;
  background:transparent;
  color:var(--t1);
  font-size:17px;
  font-weight:600;
  padding:22px 44px 22px 20px;
  box-shadow:none;
  border-radius:0 !important;
  transition:color .2s var(--ease);
}
.accordion-button::before{
  content:"";
  position:absolute;
  left:0;
  top:26px;
  width:3px;
  height:16px;
  background:var(--acc);
  border-radius:2px;
  transition:height .22s var(--ease),top .22s var(--ease);
}
.accordion-button:not(.collapsed)::before{
  height:26px;
  top:21px;
}
.accordion-button:not(.collapsed){
  background:transparent;
  color:var(--acc);
}
.accordion-button:hover{color:var(--acc);}
.accordion-button:focus{
  box-shadow:none;
  border-color:transparent;
  outline:2px solid rgba(183,240,59,.5);
  outline-offset:-2px;
}
.accordion-button::after{
  background-image:none;
  content:"+";
  font-size:22px;
  font-weight:400;
  line-height:1;
  width:auto;
  height:auto;
  color:var(--acc);
  transform:none;
  transition:transform .22s var(--ease);
  margin-left:auto;
  display:flex;
  align-items:center;
}
.accordion-button.collapsed::after{transform:none;}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{
  padding:0 44px 24px 20px;
  color:var(--t2);
  font-size:15px;
  line-height:1.85;
}
.accordion-body p:last-child{margin-bottom:0;}

/* ============ CTA + FORM ============ */
.cta-band{
  position:relative;
  background:
    radial-gradient(760px 340px at 84% 20%,rgba(183,240,59,.10),transparent 66%),
    var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.cta-grid{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:clamp(30px,4vw,64px);
  align-items:start;
}
.cta-copy h2{margin-bottom:16px;}
.cta-copy p{color:var(--t2);max-width:34em;}
.contact-points{margin-top:26px;border-top:1px solid var(--line);}
.contact-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;
  color:var(--t2);
}
.contact-points i{color:var(--acc-3);font-size:13px;margin-top:6px;}
.form-card{
  background:rgba(11,14,19,.55);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:clamp(22px,2.8vw,32px);
  box-shadow:var(--shadow);
}
.form-row{margin-bottom:18px;}
.form-row label{
  display:block;
  margin-bottom:8px;
  font-size:13px;
  letter-spacing:.02em;
  color:var(--t2);
}
.form-control,.form-select{
  width:100%;
  height:48px;
  padding:0 14px;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  color:var(--t1);
  font-size:15px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
textarea.form-control{height:auto;min-height:104px;padding:12px 14px;line-height:1.7;resize:vertical;}
.form-control::placeholder{color:var(--t3);}
.form-control:focus,.form-select:focus{
  background:var(--bg-2);
  border-color:var(--acc);
  color:var(--t1);
  box-shadow:none;
  outline:none;
}
.form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t3) 50%),linear-gradient(135deg,var(--t3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-select option{background:var(--bg-2);color:var(--t1);}
.btn-submit{
  width:100%;
  height:50px;
  border:0;
  border-radius:999px;
  background:var(--acc-2);
  color:#fff;
  font-size:16px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  transition:transform .2s var(--ease),filter .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-submit:hover{
  filter:brightness(1.08);
  transform:translateY(-2px);
  box-shadow:0 16px 30px -18px rgba(255,90,54,.85);
}
.form-note{
  margin:14px 0 0;
  font-size:12px;
  color:var(--t3);
  line-height:1.7;
}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding-block:clamp(44px,5vw,64px) 24px;
  position:relative;
}
.site-footer .site-container{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:clamp(24px,3vw,48px);
  padding-bottom:34px;
  border-bottom:1px solid var(--line);
}
.footer-brand p{
  margin:16px 0 0;
  font-size:14px;
  color:var(--t3);
  max-width:32em;
  line-height:1.8;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--t1);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a,
.footer-col ul li .plain{
  position:relative;
  display:inline-block;
  padding-left:0;
  font-size:14px;
  color:var(--t3);
  transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.footer-col ul li a::before{
  content:"";
  position:absolute;
  left:0;
  top:50%;
  width:0;
  height:1px;
  background:var(--acc);
  transform:translateY(-50%);
  transition:width .2s var(--ease);
}
.footer-col ul li a:hover{
  color:var(--t1);
  padding-left:12px;
}
.footer-col ul li a:hover::before{width:8px;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:20px;
  font-size:13px;
  color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--acc);}

/* ============ RESPONSIVE ============ */
@media (max-width:1200px){
  .main-nav{gap:20px;}
  .nav-link{font-size:14px;}
  .btn-cta{padding:0 18px;font-size:14px;}
}
@media (max-width:992px){
  .nav-toggle{display:flex;}
  .header-actions .btn-cta{display:none;}
  .main-nav{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    margin-left:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:14px 24px 26px;
    background:var(--bg-1);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px -28px rgba(0,0,0,.95);
    opacity:0;
    transform:translateY(-12px);
    pointer-events:none;
    transition:opacity .22s var(--ease),transform .22s var(--ease);
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .main-nav.is-open{
    opacity:1;
    transform:translateY(0);
    pointer-events:auto;
  }
  .nav-link{
    font-size:18px;
    padding:15px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--acc);}
  .nav-cta-mobile{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    margin-top:20px;
    height:48px;
    border-radius:999px;
    background:var(--acc);
    color:#0B0E13;
    font-weight:700;
    font-size:15px;
  }
  .nav-cta-mobile:hover{color:#0B0E13;background:#C9FF55;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;aspect-ratio:16/9;}
  .zigzag{grid-template-columns:1fr;gap:26px;}
  .zigzag.reverse .zigzag-media{order:0;}
  .zigzag.reverse .zigzag-body{order:0;}
  .zigzag-media{aspect-ratio:16/9;}
  .check-grid{grid-template-columns:1fr;gap:0;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .site-container{padding:0 20px;}
  .header-inner{height:66px;}
  .main-nav{top:66px;max-height:calc(100vh - 66px);}
  .brand-text{font-size:17px;}
  .stat-item{padding:0 18px;}
  .stat-item:nth-child(3){padding-left:0;border-left:0;}
  .panel{padding:22px;}
  .accordion-button{font-size:16px;padding:18px 38px 18px 16px;}
  .accordion-body{padding:0 20px 20px 16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:576px){
  body{font-size:15px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn-cta,
  .hero-actions .btn-outline{width:100%;justify-content:center;}
  .stat-row{display:grid;grid-template-columns:1fr 1fr;gap:18px 0;}
  .stat-item{padding:0 14px;}
  .stat-item:nth-child(odd){padding-left:0;border-left:0;}
  .btn-submit{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition-duration:.001ms !important;
    animation-duration:.001ms !important;
  }
  .zigzag-media:hover,
  .btn-cta:hover,
  .btn-outline:hover,
  .btn-submit:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B0E13;
  --bg-1:#121722;
  --bg-2:#1A2029;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --acc:#B7F03B;
  --acc-2:#FF5A36;
  --acc-3:#35D6C0;
  --t1:#F2F5F8;
  --t2:#A9B3C1;
  --t3:#6E7889;
  --paper:#F5F6F3;
  --paper-ink:#1B2027;
  --paper-acc:#4F7A12;
  --r-card:16px;
  --r-img:14px;
  --r-btn:12px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.75);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:48px 48px;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--t2);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover{color:var(--t1);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--t1);line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px;border-radius:4px;}

.site-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:var(--bg-1);border-bottom:1px solid var(--line);transition:background var(--dur) var(--ease),box-shadow var(--dur) var(--ease);}
.site-header.scrolled{background:#0E131C;box-shadow:0 12px 32px -22px rgba(0,0,0,.95);}
.header-inner{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:28px;height:28px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);gap:2px;}
.brand-mark i{border:1px solid rgba(183,240,59,.55);border-radius:2px;display:block;}
.brand-mark i:nth-child(5){background:var(--acc);border-color:var(--acc);}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(9){background:rgba(53,214,192,.35);border-color:rgba(53,214,192,.5);}
.brand-text{font-size:18px;font-weight:800;color:var(--t1);letter-spacing:.01em;white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:22px;flex:1 1 auto;}
.nav-link{position:relative;font-size:15px;font-weight:500;padding:6px 0;color:var(--t2);white-space:nowrap;}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--acc);transform:scaleX(0);transform-origin:left;transition:transform var(--dur) var(--ease);}
.nav-link:hover,.nav-link:focus-visible{color:var(--t1);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:700;}
.header-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 22px;border-radius:999px;
  background:var(--acc);color:#101409;font-size:15px;font-weight:700;border:1px solid var(--acc);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.btn-cta:hover,.btn-cta:focus-visible{color:#101409;background:#C8FF55;transform:translateY(-2px);box-shadow:0 10px 24px -14px rgba(183,240,59,.9);}
.btn-cta:active{transform:translateY(0);}
.nav-cta-mobile{display:none;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:5px;cursor:pointer;transition:border-color var(--dur) var(--ease);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform var(--dur) var(--ease),opacity var(--dur) var(--ease);}
.nav-toggle:hover{border-color:var(--acc);}
.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);}

/* ---------- breadcrumb ---------- */
.crumb-bar{padding:18px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;letter-spacing:.02em;color:var(--t3);}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--acc);}
.crumb .sep{color:rgba(255,255,255,.18);}
.crumb .cur{color:var(--t2);}

/* ---------- hero ---------- */
.page-hero{padding:34px 0 clamp(44px,6vw,76px);}
.hero-grid{display:grid;grid-template-columns:1.02fr 1fr;gap:clamp(28px,4vw,56px);align-items:center;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--acc-3);text-transform:uppercase;margin-bottom:16px;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc-3);display:block;}
.hero-title{font-size:clamp(24px,3.4vw,36px);font-weight:800;letter-spacing:-.01em;line-height:1.24;margin-bottom:16px;}
.hero-title em{font-style:normal;color:var(--acc);}
.hero-desc{font-size:16px;line-height:1.8;color:var(--t2);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;
  background:var(--acc);color:#101409;font-weight:700;font-size:15px;border:1px solid var(--acc);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.btn-primary:hover,.btn-primary:focus-visible{color:#101409;transform:translateY(-2px);box-shadow:0 12px 28px -16px rgba(183,240,59,.95);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:12px;
  background:transparent;color:var(--t1);border:1px solid var(--line-strong);font-size:15px;font-weight:600;
  transition:border-color var(--dur) var(--ease),color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn-ghost:hover,.btn-ghost:focus-visible{color:var(--acc);border-color:var(--acc);transform:translateY(-2px);}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--bg-2);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(11,14,19,.66) 0%,rgba(11,14,19,.12) 62%,rgba(11,14,19,.4) 100%);}
.hero-media .media-tag{position:absolute;left:20px;bottom:20px;z-index:2;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(11,14,19,.72);border:1px solid var(--line-strong);color:var(--t1);font-size:12.5px;letter-spacing:.03em;}

/* ---------- stats ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stat-item{padding:26px 22px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--acc);line-height:1.05;letter-spacing:-.02em;}
.stat-num small{font-size:16px;font-weight:700;margin-left:2px;color:var(--acc);}
.stat-label{margin-top:10px;font-size:13px;letter-spacing:.02em;color:var(--t3);}

/* ---------- sections ---------- */
.section{padding-block:clamp(56px,7vw,92px);}
.section-head{max-width:720px;margin-bottom:clamp(28px,3.4vw,44px);}
.section-head.center{margin-inline:auto;text-align:center;}
.section-tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--acc-3);text-transform:uppercase;margin-bottom:14px;}
.section-tag::before{content:"";width:18px;height:1px;background:var(--acc-3);}
.section-head.center .section-tag::before{display:none;}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em;}
.section-sub{margin-top:12px;font-size:15.5px;color:var(--t2);line-height:1.8;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;display:flex;flex-direction:column;gap:16px;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.info-card:hover{transform:translateY(-3px);border-color:var(--acc);box-shadow:var(--shadow),0 0 0 1px var(--acc) inset;}
.card-media{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line);background:#0F141D;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.info-card:hover .card-media img{transform:scale(1.04);}
.card-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;border:1px solid var(--line);font-size:12px;letter-spacing:.04em;color:var(--t2);background:rgba(255,255,255,.02);}
.badge-acc{border-color:rgba(53,214,192,.45);color:var(--acc-3);}
.badge-hot{background:var(--acc-2);border-color:var(--acc-2);color:#fff;}
.card-title{font-size:18px;font-weight:600;line-height:1.45;}
.card-title a{color:var(--t1);}
.card-title a:hover{color:var(--acc);}
.card-text{font-size:14px;line-height:1.7;color:var(--t2);}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--t3);letter-spacing:.02em;margin-top:auto;}
.card-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--t3);display:inline-block;}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--acc);}
.card-link:hover{color:#C8FF55;}

/* ---------- timeline ---------- */
.timeline{max-width:860px;}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item:not(:last-child)::after{content:"";position:absolute;left:27px;top:60px;bottom:10px;width:1px;background:var(--line);}
.tl-num{width:56px;height:56px;border-radius:14px;border:1px solid var(--line-strong);display:grid;place-items:center;font-size:17px;font-weight:800;color:var(--acc);background:var(--bg-2);}
.tl-body h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.tl-body p{font-size:14.5px;line-height:1.8;color:var(--t2);}
.tl-body .list-inline{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.accordion-item:first-of-type{border-top:1px solid var(--line);}
.accordion-button{
  background:transparent;color:var(--t1);font-size:17px;font-weight:600;padding:22px 48px 22px 18px;
  border-left:3px solid var(--line-strong);box-shadow:none;transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.accordion-button:not(.collapsed){background:transparent;color:var(--acc);border-left-color:var(--acc);box-shadow:none;}
.accordion-button:hover{color:var(--acc);}
.accordion-button:focus{box-shadow:none;border-color:var(--acc);}
.accordion-button::after{
  background-image:none;content:"+";width:auto;height:auto;font-size:22px;font-weight:400;line-height:1;
  color:var(--t3);transform:none;transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--acc);}
.accordion-body{padding:0 48px 24px 21px;font-size:14.5px;line-height:1.85;color:var(--t2);}

/* ---------- cta ---------- */
.cta-band{position:relative;border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;}
.cta-band .cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');background-size:cover;background-position:center;opacity:.28;}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,14,19,.94) 0%,rgba(11,14,19,.78) 55%,rgba(11,14,19,.9) 100%);}
.cta-inner{position:relative;z-index:2;padding-block:clamp(52px,6.5vw,86px);display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,4vw,56px);align-items:start;}
.cta-copy h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-bottom:14px;}
.cta-copy p{font-size:15.5px;line-height:1.85;color:var(--t2);max-width:460px;}
.cta-points{margin-top:24px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--t2);}
.cta-points i{color:var(--acc);margin-top:5px;font-size:12px;}
.form-card{background:rgba(18,23,34,.86);border:1px solid var(--line-strong);border-radius:var(--r-card);padding:26px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px;}
.form-field label{font-size:13.5px;color:var(--t2);letter-spacing:.02em;}
.field-input{
  height:48px;width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:12px;
  color:var(--t1);font-size:15px;padding:0 16px;outline:none;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.field-input::placeholder{color:var(--t3);}
.field-input:focus{border-color:var(--acc);background:#151B25;}
select.field-input{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t3) 50%),linear-gradient(135deg,var(--t3) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-note{font-size:12.5px;color:var(--t3);line-height:1.7;margin-top:14px;}
.btn-submit{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;height:50px;border-radius:999px;
  background:var(--acc-2);color:#fff;font-size:15.5px;font-weight:700;border:1px solid var(--acc-2);cursor:pointer;
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.btn-submit:hover{background:#FF7255;transform:translateY(-2px);box-shadow:0 14px 30px -16px rgba(255,90,54,.9);}
.btn-submit:active{transform:translateY(0);}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:clamp(46px,5.5vw,70px);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t2);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col .plain{position:relative;font-size:14px;color:var(--t2);padding-left:0;transition:color var(--dur) var(--ease),padding-left var(--dur) var(--ease);}
.footer-col a:hover{color:var(--t1);padding-left:12px;}
.footer-col a:hover::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:6px;height:2px;background:var(--acc);}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--t3);letter-spacing:.02em;}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--acc);}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .header-inner{gap:18px;}
  .main-nav{gap:16px;}
  .nav-link{font-size:14.5px;}
}
@media (max-width:992px){
  .nav-toggle{display:flex;}
  .header-actions .btn-cta{display:none;}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-1);border-bottom:1px solid var(--line);padding:8px 24px 24px;
    max-height:calc(100vh - 72px);overflow-y:auto;z-index:1029;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:16px 0;font-size:17px;border-bottom:1px solid var(--line);}
  .nav-link::after{display:none;}
  .nav-cta-mobile{display:inline-flex;justify-content:center;margin-top:20px;height:48px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;aspect-ratio:16/9;}
  .cta-inner{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
  .site-container{padding:0 20px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .stat-item{padding:22px 18px;}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--line);}
  .card-grid{grid-template-columns:1fr;}
  .info-card{padding:20px;}
  .form-row{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:48px 1fr;gap:18px;}
  .tl-num{width:48px;height:48px;border-radius:12px;font-size:15px;}
  .tl-item:not(:last-child)::after{left:23px;top:52px;}
  .accordion-button{padding:18px 40px 18px 14px;font-size:16px;}
  .accordion-body{padding:0 24px 20px 17px;}
}
@media (max-width:576px){
  .brand-text{font-size:16px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-primary,.btn-ghost{justify-content:center;width:100%;}
  .cta-points{gap:10px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  .info-card:hover,.btn-cta:hover,.btn-primary:hover,.btn-ghost:hover,.btn-submit:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B0E13; --bg-1:#121722; --bg-2:#1A2029;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.16);
  --acc:#B7F03B; --acc-2:#FF5A36; --acc-3:#35D6C0;
  --t1:#F2F5F8; --t2:#A9B3C1; --t3:#6E7889;
  --paper:#F5F6F3; --paper-ink:#1B2027; --paper-acc:#4F7A12;
  --r-card:16px; --r-img:14px; --r-btn:12px; --r-pill:999px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.75);
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0; background:var(--bg-0); color:var(--t2);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",sans-serif;
  font-size:16px; line-height:1.75; letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--t1);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{color:var(--t1);margin:0;line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--acc);outline-offset:3px;border-radius:6px;}
::selection{background:var(--acc);color:#0B0E13;}

.site-container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 20px;}
@media (min-width:1400px){ .site-container{max-width:1280px;} }

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg-1);
  border-bottom:1px solid var(--line);
}
.site-header.is-stuck{background:#0E1320;box-shadow:0 10px 30px -20px rgba(0,0,0,.9);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{display:grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(3,5px);gap:3px;}
.brand-mark i{display:block;background:transparent;border:1px solid var(--acc);border-radius:1px;}
.brand-mark i:nth-child(1),.brand-mark i:nth-child(3),.brand-mark i:nth-child(5),
.brand-mark i:nth-child(7),.brand-mark i:nth-child(9){background:var(--acc);border-color:var(--acc);}
.brand-text{color:var(--t1);font-weight:800;font-size:19px;letter-spacing:.01em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--t2);border-radius:10px;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;background:var(--acc);
  transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--t1);font-weight:600;}
.nav-link.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;
  background:var(--acc);color:#0B0E13;font-weight:700;font-size:15px;border-radius:var(--r-pill);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.btn-cta:hover{color:#0B0E13;transform:translateY(-2px);box-shadow:0 12px 26px -14px rgba(183,240,59,.7);}
.btn-cta:active{transform:translateY(0);}
.btn-cta i{font-size:13px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;background:var(--bg-2);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

@media (max-width:992px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;left:0;right:0;top:72px;flex-direction:column;align-items:stretch;gap:2px;
    background:var(--bg-1);border-bottom:1px solid var(--line);padding:12px 20px 20px;
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:14px 12px;font-size:17px;}
  .nav-link::after{left:12px;right:auto;width:26px;bottom:8px;}
  .header-actions .btn-cta{display:none;}
  .main-nav .nav-cta-mobile{display:inline-flex;justify-content:center;margin-top:12px;}
}
@media (min-width:993px){ .main-nav .nav-cta-mobile{display:none;} }

/* ---------- breadcrumb ---------- */
.crumbs{padding:20px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t3);letter-spacing:.02em;}
.crumbs li{display:inline-flex;align-items:center;gap:8px;}
.crumbs li+li::before{content:"/";color:var(--t3);opacity:.6;}
.crumbs a:hover{color:var(--t1);}
.crumbs .current{color:var(--t2);}

/* ---------- page hero ---------- */
.page-hero{padding:34px 0 clamp(48px,6vw,78px);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.16em;
  color:var(--acc-3);text-transform:uppercase;margin-bottom:16px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--acc-3);display:block;}
.page-hero h1{font-size:clamp(24px,3.4vw,36px);font-weight:800;line-height:1.22;}
.page-hero .lead{margin-top:18px;font-size:17px;color:var(--t2);max-width:560px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.btn-primary-pill{
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--acc);color:#0B0E13;font-weight:700;border:1px solid var(--acc);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary-pill:hover{color:#0B0E13;transform:translateY(-3px);box-shadow:0 16px 32px -18px rgba(183,240,59,.75);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;height:50px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);color:var(--t1);font-weight:600;background:transparent;
  transition:border-color .2s var(--ease),transform .2s var(--ease),background .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--acc);color:var(--t1);transform:translateY(-3px);background:rgba(183,240,59,.06);}
.hero-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;box-shadow:var(--shadow);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,14,19,.82) 0%,rgba(11,14,19,.28) 55%,rgba(11,14,19,.12) 100%);
}
.hero-tag{
  position:absolute;z-index:2;left:20px;bottom:20px;display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);background:rgba(11,14,19,.72);border:1px solid var(--line-strong);
  font-size:12px;color:var(--t1);letter-spacing:.04em;
}
.hero-tag i{color:var(--acc-3);}
@media (max-width:992px){
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-media{order:-1;aspect-ratio:16/9;}
}

/* ---------- section base ---------- */
.section{padding-block:clamp(56px,7vw,96px);}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,44px);}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;margin-top:10px;}
.section-head p{margin-top:14px;font-size:16px;color:var(--t2);}

/* ---------- rail ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 22px;margin:-4px -4px 0;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px;}
.rail::-webkit-scrollbar-track{background:transparent;}
.rail-item{
  flex:0 0 340px;scroll-snap-align:start;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;display:flex;flex-direction:column;gap:14px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.rail-item:hover{transform:translateY(-3px);border-color:var(--acc);box-shadow:var(--shadow),0 0 0 1px var(--acc) inset;}
.rail-item .thumb{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/9;background:#0E1320;}
.rail-item .thumb img{width:100%;height:100%;object-fit:cover;}
.rail-item h3{font-size:18px;font-weight:600;}
.rail-item p{font-size:14px;line-height:1.7;color:var(--t2);}
.rail-item .meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);margin-top:auto;}
.rail-hint{font-size:13px;color:var(--t3);letter-spacing:.02em;}
@media (max-width:768px){
  .rail{gap:14px;}
  .rail-item{flex:0 0 82%;padding:20px;}
}

.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);font-size:12px;letter-spacing:.04em;color:var(--t2);background:rgba(255,255,255,.02);
}
.badge-hot{border-color:rgba(255,90,54,.5);background:var(--acc-2);color:#fff;}
.badge-line{border-color:rgba(53,214,192,.45);color:var(--acc-3);}

/* ---------- stats bar ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat{padding:26px 18px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat .num{font-size:clamp(30px,4vw,44px);font-weight:800;color:var(--acc);line-height:1;}
.stat .lbl{margin-top:10px;font-size:13px;color:var(--t3);letter-spacing:.02em;}
@media (max-width:576px){
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line);}
}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:26px;}
.compare-col.good{border-top:3px solid var(--acc);}
.compare-col.bad{border-top:3px solid var(--acc-2);}
.compare-col h3{font-size:20px;font-weight:600;display:flex;align-items:center;gap:10px;}
.compare-col h3 i{font-size:16px;}
.compare-col.good h3 i{color:var(--acc);}
.compare-col.bad h3 i{color:var(--acc-2);}
.compare-col ul{margin-top:18px;display:flex;flex-direction:column;gap:14px;}
.compare-col li{position:relative;padding-left:20px;font-size:15px;line-height:1.7;color:var(--t2);}
.compare-col li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:1px;background:var(--acc-3);}
.compare-col li strong{color:var(--t1);font-weight:600;}
@media (max-width:768px){ .compare{grid-template-columns:1fr;} }

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step;}
.step{position:relative;padding:26px 22px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease);}
.step:hover{transform:translateY(-3px);border-color:var(--acc);}
.step .idx{display:inline-block;font-size:13px;font-weight:700;color:var(--acc);letter-spacing:.1em;}
.step h3{margin-top:12px;font-size:18px;font-weight:600;}
.step p{margin-top:10px;font-size:14px;line-height:1.7;color:var(--t2);}
@media (max-width:992px){ .steps{grid-template-columns:repeat(2,1fr);} }
@media (max-width:576px){ .steps{grid-template-columns:1fr;} }

/* ---------- quote ---------- */
.quote-block{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:clamp(26px,4vw,40px);border-left:3px solid var(--acc);max-width:860px;
}
.quote-block p{font-size:18px;line-height:1.9;color:var(--t1);}
.quote-block .who{margin-top:18px;font-size:13px;color:var(--t3);letter-spacing:.02em;}

/* ---------- faq ---------- */
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;color:var(--t1);font-size:17px;font-weight:600;padding:22px 44px 22px 18px;
  position:relative;box-shadow:none;border-radius:0;
}
.faq .accordion-button::before{
  content:"";position:absolute;left:0;top:24px;width:3px;height:18px;background:var(--acc);border-radius:2px;
  transition:height .2s var(--ease);
}
.faq .accordion-button:not(.collapsed)::before{height:30px;}
.faq .accordion-button:not(.collapsed){color:var(--acc);background:transparent;}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--acc);outline-offset:-2px;}
.faq .accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;color:var(--t2);
  position:absolute;right:14px;width:auto;height:auto;transform:none;
  transition:transform .2s var(--ease),color .2s var(--ease);
}
.faq .accordion-button:not(.collapsed)::after{content:"+";transform:rotate(45deg);color:var(--acc);}
.faq .accordion-body{padding:0 44px 24px 18px;font-size:15px;line-height:1.85;color:var(--t2);}
.faq .accordion-body strong{color:var(--t1);}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:clamp(28px,4vw,48px);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-grid h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;}
.cta-grid .desc{margin-top:14px;font-size:15px;color:var(--t2);}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--t2);}
.cta-points i{color:var(--acc);margin-top:5px;font-size:13px;}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-size:13px;color:var(--t3);letter-spacing:.02em;margin-bottom:8px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;min-height:48px;padding:12px 14px;background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-btn);color:var(--t1);transition:border-color .2s var(--ease);
}
.form-field textarea{min-height:104px;resize:vertical;}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--t3);}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--acc);box-shadow:none;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.btn-submit{
  width:100%;height:50px;border:0;border-radius:var(--r-pill);background:var(--acc-2);color:#fff;
  font-weight:700;letter-spacing:.02em;transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(255,90,54,.8);filter:brightness(1.04);}
.btn-submit:active{transform:translateY(0);}
.form-note{margin-top:12px;font-size:12px;color:var(--t3);}
@media (max-width:992px){
  .cta-grid{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:576px){
  .form-row{grid-template-columns:1fr;}
}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:clamp(44px,6vw,72px);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:42px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--t2);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:600;color:var(--t1);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col .plain{position:relative;font-size:14px;color:var(--t2);padding-left:0;transition:padding-left .2s var(--ease),color .2s var(--ease);}
.footer-col a:hover{color:var(--t1);padding-left:12px;}
.footer-col a:hover::before{content:"";position:absolute;left:0;top:50%;width:6px;height:1px;background:var(--acc);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding:20px 0;font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3);}
.footer-bottom a:hover{color:var(--t1);}
@media (max-width:992px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (max-width:576px){ .footer-grid{grid-template-columns:1fr;} }

@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .btn-cta:hover,.btn-primary-pill:hover,.btn-ghost:hover,.rail-item:hover,.step:hover{transform:none;box-shadow:none;}
}