/* roulang page: index */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --bg-700:#121D33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#E8EFF9;
  --text-2:#9DB0C9;
  --text-3:#6B7E99;
  --brand:#C6F84A;
  --brand-deep:#9BE81F;
  --accent:#FFB020;
  --glow:rgba(198,248,74,.32);
  --radius-lg:20px;
  --radius-xl:24px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
html,body{overflow-x:clip;}
body{
  margin:0;
  background-color:var(--bg-900);
  color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:150px;
}
@media (min-width:1024px){body{padding-bottom:0;}}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  background:
    radial-gradient(600px 600px at 88% -8%, rgba(198,248,74,.09), transparent 70%),
    radial-gradient(700px 700px at -12% 100%, rgba(56,189,248,.07), transparent 70%);
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:32px 32px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
h1,h2,h3,h4{margin:0;font-weight:700;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
::-webkit-scrollbar{width:10px;height:8px;}
::-webkit-scrollbar-track{background:var(--bg-900);}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:8px;}
::-webkit-scrollbar-thumb:hover{background:rgba(198,248,74,.35);}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.wrap{padding-left:32px;padding-right:32px;}}
.section{padding:56px 0;}
@media (min-width:640px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:96px 0;}}
@media (min-width:1280px){.section{padding:112px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:36px;}
.sec-title{font-size:clamp(22px,3.2vw,32px);font-weight:700;letter-spacing:-.015em;line-height:1.3;}
.sec-desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:660px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.06em;color:var(--text-3);text-transform:uppercase;}
.line-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.line-3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.text-brand{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#07120A;
  box-shadow:0 0 0 1px rgba(198,248,74,.5),0 8px 28px var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(198,248,74,.5),0 10px 36px rgba(198,248,74,.45);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,248,74,.5),0 6px 18px rgba(198,248,74,.22);}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);
  color:var(--text-1);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:rgba(198,248,74,.45);color:var(--brand);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-xs{height:36px;padding:0 16px;font-size:13px;}
@media (max-width:639px){
  .btn{height:44px;padding:0 20px;font-size:14px;}
  .btn-xs{height:34px;font-size:13px;}
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
  padding-bottom:3px;border-bottom:2px solid rgba(198,248,74,.45);
  transition:border-color .2s var(--ease),gap .2s var(--ease);
}
.text-link:hover{border-color:var(--brand);gap:10px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:13px;letter-spacing:.02em;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  color:var(--text-2);
}
.badge-accent{
  color:var(--accent);
  background:rgba(255,176,32,.12);
  border-color:rgba(255,176,32,.3);
}
.badge-brand{
  color:var(--brand);
  background:rgba(198,248,74,.1);
  border-color:rgba(198,248,74,.32);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);display:inline-block;animation:breathe 2.4s var(--ease) infinite;}
.dot-amber{background:var(--accent);}
@keyframes breathe{0%,100%{opacity:.5;}50%{opacity:1;}}
.card{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 18px 40px -24px rgba(0,0,0,.8);
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.card:hover{
  border-color:rgba(198,248,74,.35);
  transform:translateY(-4px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 26px 54px -26px rgba(0,0,0,.9);
}
/* header */
.site-header{position:sticky;top:0;z-index:70;transition:background .25s var(--ease),border-color .25s var(--ease);border-bottom:1px solid transparent;}
.site-header.scrolled{
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;transition:height .25s var(--ease);}
.site-header.scrolled .header-inner{height:64px;}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;}
@media (max-width:639px){.logo{font-size:15px;}}
.logo-mark{width:8px;height:8px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px var(--glow);flex:none;}
.desk-nav{display:none;align-items:center;gap:28px;}
@media (min-width:1024px){.desk-nav{display:flex;}}
.desk-nav a{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;transition:color .2s var(--ease);}
.desk-nav a:hover{color:var(--text-1);}
.desk-nav a.active{color:var(--brand);font-weight:600;}
.desk-nav a.active::after{content:"";position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--brand);}
.header-right{display:flex;align-items:center;gap:12px;}
.header-cta{display:none;}
@media (min-width:1024px){.header-cta{display:inline-flex;}}
.menu-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
  transition:border-color .2s var(--ease);
}
.menu-btn:hover{border-color:rgba(198,248,74,.45);}
.menu-btn svg{width:20px;height:20px;stroke:var(--text-1);fill:none;stroke-width:1.8;stroke-linecap:round;}
@media (min-width:1024px){.menu-btn{display:none;}}
/* drawer */
.drawer{position:fixed;inset:0;z-index:110;visibility:hidden;pointer-events:none;}
.drawer.open{visibility:visible;pointer-events:auto;}
.drawer-mask{position:absolute;inset:0;background:rgba(3,6,12,.72);opacity:0;transition:opacity .28s var(--ease);backdrop-filter:blur(4px);}
.drawer.open .drawer-mask{opacity:1;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:var(--bg-800);border-left:1px solid var(--line);
  padding:24px 20px calc(32px + env(safe-area-inset-bottom));
  transform:translateX(100%);transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);display:inline-flex;align-items:center;justify-content:center;transition:border-color .2s var(--ease);}
.drawer-close:hover{border-color:rgba(198,248,74,.45);}
.drawer-close svg{width:18px;height:18px;stroke:var(--text-1);fill:none;stroke-width:1.8;stroke-linecap:round;}
.drawer-nav{margin-top:16px;display:flex;flex-direction:column;}
.drawer-nav a{padding:16px 4px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;transition:color .2s var(--ease);}
.drawer-nav a:hover{color:var(--text-1);}
.drawer-nav a.active{color:var(--brand);font-weight:600;}
/* tabbar */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:90;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  display:flex;
  background:rgba(7,11,20,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
@media (min-width:1024px){.tabbar{display:none;}}
.tab-item{position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-3);transition:color .2s var(--ease);min-height:44px;}
.tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.active{color:var(--brand);}
.tab-item.active::before{content:"";position:absolute;top:4px;left:50%;transform:translateX(-50%);width:16px;height:2px;border-radius:2px;background:var(--brand);}
/* sticky cta bar */
.cta-bar{
  position:fixed;left:0;right:0;bottom:calc(60px + env(safe-area-inset-bottom));z-index:89;
  height:56px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 20px;
  background:rgba(7,11,20,.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.cta-bar.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.cta-bar span{font-size:13px;color:var(--text-2);}
@media (min-width:1024px){.cta-bar{display:none;}}
/* hero */
.hero{position:relative;padding:40px 0 56px;}
@media (min-width:1024px){.hero{padding:72px 0 96px;min-height:620px;display:flex;align-items:center;}}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center;}
@media (min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:56px;}}
.hero-title{font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.15;letter-spacing:-.02em;}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.8;color:var(--text-2);max-width:560px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-micro{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-micro-item{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);}
.hero-micro-item svg{width:16px;height:16px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.hero-media{position:relative;border-radius:var(--radius-xl);overflow:hidden;border:1px solid var(--line);box-shadow:0 30px 70px -40px rgba(0,0,0,.9);aspect-ratio:4/3;background:var(--bg-700);}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.15),rgba(7,11,20,.55));}
.hero-badge{position:absolute;left:16px;top:16px;z-index:2;}
.hero-float{
  position:absolute;right:16px;bottom:16px;z-index:2;
  padding:14px 20px;border-radius:16px;
  background:rgba(7,11,20,.74);
  border:1px solid var(--line-strong);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-float .num{display:block;font-size:38px;font-weight:800;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums;}
.hero-float .lbl{display:block;margin-top:6px;font-size:13px;color:var(--text-2);}
.hero-rule{margin-top:48px;height:1px;background:linear-gradient(90deg,rgba(198,248,74,.5),rgba(255,255,255,.06),transparent);border:0;}
/* points */
.points{display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:640px){.points{grid-template-columns:repeat(3,1fr);gap:24px;}}
@media (min-width:1024px){
  .points{padding-top:48px;}
  .point:nth-child(2){transform:translateY(-24px);}
  .point:nth-child(3){transform:translateY(-48px);}
}
.point{padding:26px 24px;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));backdrop-filter:blur(14px);transition:border-color .22s var(--ease),transform .22s var(--ease);}
.point:hover{border-color:rgba(198,248,74,.35);}
.point-num{font-size:clamp(44px,6vw,58px);font-weight:800;line-height:1;letter-spacing:-.04em;color:transparent;-webkit-text-stroke:1.5px rgba(255,255,255,.32);transition:color .22s var(--ease),-webkit-text-stroke-color .22s var(--ease);}
.point:hover .point-num{color:var(--brand);-webkit-text-stroke-color:var(--brand);}
.point h3{margin-top:18px;font-size:20px;font-weight:600;}
.point p{margin-top:12px;font-size:15px;color:var(--text-2);}
/* demo */
.demo-panel{
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:var(--bg-800);
  padding:24px;
}
.demo-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:1024px){.demo-grid{grid-template-columns:250px 1fr;gap:32px;align-items:start;}}
.tabs{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;}
@media (min-width:1024px){.tabs{flex-direction:column;overflow:visible;padding-bottom:0;}}
.tab{
  flex:none;display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:14px;font-size:15px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-2);white-space:nowrap;transition:all .2s var(--ease);
}
.tab:hover{border-color:rgba(198,248,74,.35);color:var(--text-1);}
.tab.active{background:var(--brand);border-color:var(--brand);color:#07120A;font-weight:700;}
.demo-shot{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-700);border:1px solid var(--line);}
.demo-shot img{width:100%;height:100%;object-fit:cover;}
.demo-list{margin-top:20px;display:grid;gap:12px;}
.demo-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);}
.demo-list li span{color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;}
/* trust */
.stat-row{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.stat-row{grid-template-columns:repeat(3,1fr);}}
.stat{padding:26px 24px;}
.stat .num{font-size:34px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat .lbl{margin-top:10px;font-size:15px;color:var(--text-2);}
.review-row{margin-top:36px;display:flex;gap:20px;overflow-x:auto;padding-bottom:14px;scroll-snap-type:x mandatory;}
.review-card{flex:0 0 288px;scroll-snap-align:start;padding:24px;}
@media (max-width:639px){.review-card{flex:0 0 82%;}}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,rgba(198,248,74,.35),rgba(56,189,248,.25));border:1px solid var(--line-strong);flex:none;}
.review-name{font-size:15px;font-weight:600;}
.review-role{font-size:13px;color:var(--text-3);}
.review-text{margin-top:16px;font-size:15px;color:var(--text-2);}
.stars{margin-top:14px;display:flex;gap:4px;}
.stars svg{width:14px;height:14px;fill:var(--accent);}
/* news */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);}}
@media (min-width:1024px){.news-card--lead{grid-column:span 2;}}
.news-card-link{display:block;padding:14px;height:100%;}
.news-cover{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-700);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.05);}
.news-body{margin-top:16px;display:flex;flex-direction:column;gap:12px;padding:0 6px 6px;}
.news-title{font-size:17px;font-weight:600;line-height:1.45;transition:color .2s var(--ease);}
.news-card:hover .news-title{color:var(--brand);}
@media (min-width:1024px){.news-card--lead .news-title{font-size:20px;}}
.news-summary{font-size:14px;color:var(--text-2);line-height:1.7;}
.news-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.empty-state{padding:64px 24px;border-radius:var(--radius-lg);border:1px dashed var(--line-strong);background:rgba(255,255,255,.02);text-align:center;}
.empty-state svg{width:44px;height:44px;stroke:var(--text-3);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 18px;}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px;}
/* faq */
.faq{max-width:820px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:16px 4px;font-size:16px;font-weight:600;text-align:left;transition:color .2s var(--ease);}
.faq-q:hover{color:var(--brand);}
.faq-icon{position:relative;width:18px;height:18px;flex:none;transition:transform .25s var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease);}
.faq-item.open .faq-a{max-height:340px;}
.faq-a-inner{padding:4px 4px 22px;border-top:1px solid var(--line);margin-top:2px;padding-top:16px;font-size:15px;line-height:1.85;color:var(--text-2);}
/* cta panel */
.cta-panel{
  border-radius:var(--radius-xl);
  border:1px solid rgba(198,248,74,.45);
  background:rgba(198,248,74,.06);
  padding:40px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
@media (max-width:639px){.cta-panel{flex-direction:column;text-align:center;padding:30px 22px;}}
.cta-panel h2{font-size:clamp(20px,2.6vw,26px);font-weight:700;}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px;}
/* footer */
.site-footer{margin-top:40px;border-top:1px solid var(--line);background:rgba(12,20,36,.55);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:56px 0 36px;}
@media (min-width:768px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:28px;}}
.footer-brand{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;}
.footer-about{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-3);font-weight:600;text-transform:uppercase;}
.footer-col ul{margin-top:16px;display:grid;gap:12px;}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;}
.footer-bottom p{font-size:13px;color:var(--text-3);}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --bg-700:#121D33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#E8EFF9;
  --text-2:#9DB0C9;
  --text-3:#6B7E99;
  --brand:#C6F84A;
  --brand-deep:#9BE81F;
  --accent:#FFB020;
  --glow:rgba(198,248,74,.32);
  --radius:20px;
  --radius-sm:14px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.8);
  --ease:cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:76px;
  background:var(--bg-900);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  top:-220px;right:-180px;
  width:600px;height:600px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(198,248,74,.09),transparent 68%);
  pointer-events:none;
  z-index:0;
}
body::after{
  content:"";
  position:fixed;
  bottom:-260px;left:-220px;
  width:700px;height:700px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.07),transparent 68%);
  pointer-events:none;
  z-index:0;
}
.grid-veil{
  position:fixed;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:32px 32px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
::selection{background:rgba(198,248,74,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-900)}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:10px}
::-webkit-scrollbar-thumb:hover{background:rgba(198,248,74,.4)}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:72px;
  background:rgba(7,11,20,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:height .25s var(--ease),background .25s var(--ease);
}
.site-header.is-scrolled{height:64px;background:rgba(7,11,20,.9)}
.header-inner{display:flex;align-items:center;gap:24px;height:100%}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;letter-spacing:-.01em;
  color:var(--text-1);white-space:nowrap;
  transition:color .2s var(--ease);
}
.logo:hover{color:var(--brand)}
.logo-mark{
  width:12px;height:12px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 12px var(--glow);
  flex:none;
}
.desk-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.desk-nav a{
  position:relative;
  padding:9px 14px;border-radius:10px;
  color:var(--text-2);font-size:15px;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.desk-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.desk-nav a.active{color:var(--brand)}
.desk-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--brand);
}
.header-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.menu-btn{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);
  color:var(--text-1);cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.menu-btn:hover{border-color:rgba(198,248,74,.45);color:var(--brand)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:700;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#C6F84A,#9BE81F);
  color:#07120A;
  box-shadow:0 0 0 1px rgba(198,248,74,.5),0 8px 28px var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(198,248,74,.6),0 10px 36px rgba(198,248,74,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,248,74,.5),0 4px 14px rgba(198,248,74,.2)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:var(--line-strong);
  color:var(--text-1);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:rgba(198,248,74,.45);color:var(--brand);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.link-underline{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-weight:600;
  border-bottom:2px solid rgba(198,248,74,.5);
  padding-bottom:3px;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.link-underline:hover{border-color:var(--brand)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;letter-spacing:.02em;
  background:rgba(255,255,255,.06);
  border:1px solid var(--line-strong);
  color:var(--text-2);
}
.badge-amber{
  background:rgba(255,176,32,.12);
  border-color:rgba(255,176,32,.32);
  color:var(--accent);
}
.dot{
  width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none;
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:.5}50%{opacity:1}}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--text-2);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.tag:hover{border-color:rgba(198,248,74,.45);color:var(--brand)}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:56px 0 44px;
  background:linear-gradient(180deg,rgba(7,11,20,.84),rgba(7,11,20,.97)),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.2)}
.breadcrumb .current{color:var(--text-2)}
.article-title{
  margin:16px 0 20px;
  font-size:clamp(28px,5vw,48px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--text-1);
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:14px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.article-meta .sep{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22)}
.hero-title-line{
  height:1px;width:100%;
  background:linear-gradient(90deg,rgba(198,248,74,.5),rgba(198,248,74,0));
  margin-top:34px;
}

/* ============ 正文布局 ============ */
.article-shell{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  padding:56px 0 88px;
  align-items:start;
}
.article-main{min-width:0}
.article-body{
  max-width:760px;
  font-size:17px;line-height:1.9;
  color:var(--text-2);
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em;text-align:left}
.article-body h2{
  position:relative;
  margin:40px 0 16px;
  padding-left:16px;
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;line-height:1.4;
  color:var(--text-1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;
  width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 10px var(--glow);
}
.article-body h3{
  margin:28px 0 12px;
  font-size:20px;font-weight:600;color:var(--text-1);
}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--text-1)}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:24px}
.article-body li{margin-bottom:.5em}
.article-body ol{list-style:decimal}
.article-body ul{list-style:disc}
.article-body li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--brand);
  border-radius:0 14px 14px 0;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:3px}
.article-body img{border-radius:16px;margin:26px auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:var(--bg-700);color:var(--text-1);font-weight:600}
.article-body tbody tr{transition:background .2s var(--ease)}
.article-body tbody tr:hover{background:rgba(198,248,74,.06)}
.article-body code{background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;font-size:.92em;color:var(--brand)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}

/* ============ 侧栏 ============ */
.side-col{
  position:sticky;top:96px;
  display:flex;flex-direction:column;gap:20px;
}
.side-card{
  border-radius:var(--radius);
  padding:22px;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
}
.side-title{
  margin:0 0 14px;font-size:14px;font-weight:700;
  color:var(--text-1);letter-spacing:.04em;
  display:flex;align-items:center;gap:8px;
}
.side-title::before{
  content:"";width:4px;height:14px;border-radius:2px;
  background:var(--brand);flex:none;
}
.toc{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow:auto}
.toc a{
  position:relative;
  display:block;
  padding:8px 10px 8px 14px;
  font-size:14px;line-height:1.5;
  color:var(--text-3);border-radius:8px;
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.toc a.active{color:var(--brand);border-left-color:var(--brand);background:rgba(198,248,74,.07)}
.rec-list{display:flex;flex-direction:column;gap:14px}
.rec-item{display:block;padding-bottom:14px;border-bottom:1px solid var(--line)}
.rec-item:last-child{padding-bottom:0;border-bottom:0}
.rec-item .rec-title{
  display:block;font-size:14px;line-height:1.6;color:var(--text-1);
  transition:color .2s var(--ease);
}
.rec-item:hover .rec-title{color:var(--brand)}
.rec-item .rec-sub{display:block;font-size:12px;color:var(--text-3);margin-top:6px;font-variant-numeric:tabular-nums}

/* ============ 文章页脚区 ============ */
.article-foot{max-width:760px;margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.nav-row{display:flex;flex-wrap:wrap;align-items:center;gap:18px}

/* ============ 相关内容 ============ */
.related-block{margin-top:72px;padding-top:48px;border-top:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.section-title{
  margin:0;font-size:clamp(20px,2.6vw,26px);font-weight:700;
  color:var(--text-1);letter-spacing:-.01em;
}
.section-sub{margin:8px 0 0;font-size:14px;color:var(--text-3)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;gap:12px;
  padding:20px;border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card),inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(198,248,74,.35);box-shadow:0 26px 50px -26px rgba(0,0,0,.9)}
.rel-cover{aspect-ratio:16/10;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-700);margin-bottom:4px}
.rel-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease)}
.rel-card:hover .rel-cover img{transform:scale(1.05)}
.rel-card h3{margin:0;font-size:17px;font-weight:600;line-height:1.5;color:var(--text-1);transition:color .2s var(--ease)}
.rel-card:hover h3{color:var(--brand)}
.rel-card p{margin:0;font-size:14px;line-height:1.7;color:var(--text-3)}

/* ============ 空态 ============ */
.empty-state{
  max-width:760px;
  padding:56px 32px;text-align:center;
  border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.empty-state svg{width:48px;height:48px;margin:0 auto 18px;stroke:var(--text-3);fill:none;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round}
.empty-state p{margin:0 0 22px;font-size:16px;color:var(--text-2)}

/* ============ CTA ============ */
.cta-panel{
  margin:64px 0 0;
  padding:40px 44px;
  border-radius:var(--radius);
  border:1px solid rgba(198,248,74,.4);
  background:rgba(198,248,74,.06);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-panel h2{margin:0 0 8px;font-size:clamp(20px,2.6vw,28px);font-weight:700;color:var(--text-1)}
.cta-panel p{margin:0;font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:none}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,20,36,.6),rgba(7,11,20,1));
  padding:64px 0 32px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--text-1);margin-bottom:16px;
}
.footer-about{margin:0;font-size:14px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;color:var(--text-1);letter-spacing:.04em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:48px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-3)}

/* ============ 移动端底部 Tab ============ */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:none;
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,11,20,.86);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
}
.tab-item{
  position:relative;flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  color:var(--text-3);font-size:11px;
  transition:color .2s var(--ease);
}
.tab-item svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.tab-item.active{color:var(--brand)}
.tab-item.active::before{
  content:"";position:absolute;top:4px;left:50%;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--brand);
}
.tab-item:active{color:var(--brand)}

/* ============ 抽屉 ============ */
.drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(7,11,20,.7);
  backdrop-filter:blur(6px);
  opacity:0;visibility:hidden;
  transition:opacity .25s var(--ease),visibility .25s var(--ease);
}
.drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(320px,86vw);
  padding:24px 22px calc(32px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,#0C1424,#070B14);
  border-left:1px solid var(--line-strong);
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  overflow-y:auto;
}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.drawer-head .logo{font-size:16px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line-strong);
  color:var(--text-1);cursor:pointer;
}
.drawer-close svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:26px}
.drawer-nav a{
  padding:14px 16px;border-radius:12px;font-size:15px;
  color:var(--text-2);background:rgba(255,255,255,.03);
  border:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);border-color:rgba(198,248,74,.35);background:rgba(198,248,74,.06)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  body{padding-bottom:calc(76px + env(safe-area-inset-bottom))}
  .wrap{padding:0 24px}
  .desk-nav{display:none}
  .menu-btn{display:flex}
  .header-cta{display:none}
  .tabbar{display:flex}
  .site-header{height:56px}
  .site-header.is-scrolled{height:56px}
  .article-shell{grid-template-columns:minmax(0,1fr);gap:44px;padding:40px 0 64px}
  .side-col{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px}
  .article-hero{padding:40px 0 34px}
}
@media (max-width:640px){
  .wrap{padding:0 20px}
  .article-title{font-size:clamp(24px,7vw,32px)}
  .article-body{font-size:16px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{padding:26px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@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: category1 */
:root{
  --bg-900:#070B14; --bg-800:#0C1424; --bg-700:#121D33;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.16);
  --text-1:#E8EFF9; --text-2:#9DB0C9; --text-3:#6B7E99;
  --brand:#C6F84A; --brand-deep:#9BE81F; --accent:#FFB020;
  --glow:rgba(198,248,74,.32);
  --radius-lg:20px; --radius-md:14px;
  --shadow-card:0 18px 40px -24px rgba(0,0,0,.8);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-900);color:var(--text-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  overflow-x:hidden;min-height:100vh;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(600px 600px at 100% 0,rgba(198,248,74,.09),transparent 70%),
    radial-gradient(700px 700px at 0 100%,rgba(56,189,248,.07),transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.035;
  background-image:
    linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:32px 32px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.2;letter-spacing:-.01em}
p{margin:0;text-align:left}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.num{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:70;height:72px;display:flex;align-items:center;
  border-bottom:1px solid transparent;background:transparent;
  transition:height .25s var(--ease),background .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-stuck{
  height:64px;background:rgba(7,11,20,.72);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:100%}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text-1);white-space:nowrap}
.logo-mark{width:10px;height:10px;border-radius:3px;background:var(--brand);box-shadow:0 0 14px var(--glow);flex:none}
.desk-nav{display:flex;align-items:center;gap:6px}
.desk-nav a{position:relative;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--text-2);transition:color .2s var(--ease),background .2s var(--ease)}
.desk-nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.desk-nav a.active{color:var(--brand)}
.desk-nav a.active::after{content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--brand)}
.header-right{display:flex;align-items:center;gap:12px}
.menu-btn{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line-strong);border-radius:14px;
  color:var(--text-1);cursor:pointer;transition:border-color .2s var(--ease),background .2s var(--ease)
}
.menu-btn:hover{border-color:rgba(198,248,74,.45)}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#C6F84A,#9BE81F);color:#07120A;
  box-shadow:0 0 0 1px rgba(198,248,74,.5),0 8px 28px var(--glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(198,248,74,.55),0 10px 36px rgba(198,248,74,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,248,74,.4),0 4px 16px rgba(198,248,74,.24)}
.btn-ghost{
  background:rgba(255,255,255,.06);border-color:var(--line-strong);color:var(--text-1);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:rgba(198,248,74,.45);transform:translateY(-1px)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);
  border-bottom:2px solid rgba(198,248,74,.4);padding-bottom:3px;white-space:nowrap;
  transition:border-color .2s var(--ease),color .2s var(--ease)
}
.link-more:hover{border-color:var(--brand)}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;letter-spacing:.02em;color:var(--text-2);
  background:rgba(255,255,255,.06);border:1px solid var(--line-strong)
}
.badge-accent{color:var(--accent);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.28)}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);animation:breath 2.4s ease-in-out infinite}
@keyframes breath{0%,100%{opacity:.5}50%{opacity:1}}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
  cursor:pointer;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease)
}
.chip:hover{color:var(--text-1);border-color:rgba(198,248,74,.4)}
.chip.is-active{background:var(--brand);border-color:transparent;color:#07120A;font-weight:700}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:8px;
  font-size:12px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line)
}

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-banner__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.page-banner__mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.6) 0%,rgba(7,11,20,.88) 52%,rgba(7,11,20,.99) 100%);
}
.page-banner__body{position:relative;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;padding:44px 0 36px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:14px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb span.current{color:var(--text-2)}
.page-banner h1{font-size:clamp(28px,5vw,48px);font-weight:800;line-height:1.15;letter-spacing:-.02em;max-width:900px}
.page-banner__desc{margin-top:16px;max-width:720px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- filters & stats ---------- */
.filter-bar{padding:28px 0 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.filter-bar__label{font-size:13px;color:var(--text-3);letter-spacing:.06em;margin-right:4px}
.section{padding:96px 0}
.section-tight{padding:56px 0 96px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(22px,3.2vw,32px);font-weight:700;margin-bottom:8px}
.sec-head p{color:var(--text-2);font-size:15px;max-width:640px}

.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat{
  padding:24px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
  transition:border-color .22s var(--ease),transform .22s var(--ease)
}
.stat:hover{border-color:rgba(198,248,74,.35);transform:translateY(-4px)}
.stat__num{display:block;font-size:32px;font-weight:800;color:var(--brand);line-height:1.1}
.stat__num small{font-size:15px;font-weight:600;color:var(--text-2);margin-left:6px}
.stat__label{margin-top:10px;font-size:14px;color:var(--text-2)}
.stat__note{margin-top:6px;font-size:13px;color:var(--text-3)}

/* ---------- timeline ---------- */
.tl-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;align-items:start}
.tl-col--offset{padding-top:56px}
.tl-item{position:relative;padding:0 0 34px 30px;border-left:2px solid var(--line)}
.tl-item::before{
  content:"";position:absolute;left:-5px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-900);border:2px solid var(--text-3);
}
.tl-item.is-current::before{
  border-color:var(--brand);background:var(--brand);
  box-shadow:0 0 0 4px rgba(7,11,20,.9),0 0 16px var(--glow);
}
.tl-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:12px}
.tl-title{font-size:20px;font-weight:600;line-height:1.4}
.tl-title a{transition:color .2s var(--ease)}
.tl-title a:hover{color:var(--brand)}
.tl-desc{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tl-foot{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px}
.tl-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-3);transition:color .2s var(--ease),gap .2s var(--ease)}
.tl-more:hover{color:var(--brand);gap:10px}
.tl-more svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- topic cards (horizontal scroll) ---------- */
.scroll-x{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(258px,300px);gap:20px;overflow-x:auto;padding:4px 4px 16px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.scroll-x::-webkit-scrollbar{height:6px}
.scroll-x::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:999px}
.topic-card{
  scroll-snap-align:start;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  backdrop-filter:blur(14px);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease)
}
.topic-card:hover{transform:translateY(-4px);border-color:rgba(198,248,74,.35)}
.topic-card__cover{position:relative;aspect-ratio:16/10;overflow:hidden}
.topic-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.topic-card:hover .topic-card__cover img{transform:scale(1.05)}
.topic-card__body{padding:20px}
.topic-card__body h3{font-size:17px;font-weight:600;margin-bottom:8px}
.topic-card__body p{font-size:14px;color:var(--text-2);line-height:1.7}
.topic-card__meta{margin-bottom:10px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;min-height:60px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 4px;background:none;border:0;color:var(--text-1);font-size:16px;font-weight:600;
  text-align:left;cursor:pointer;transition:color .2s var(--ease)
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  position:relative;flex:none;width:20px;height:20px;border-radius:50%;
  border:1px solid var(--line-strong);transition:transform .22s var(--ease),border-color .22s var(--ease)
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--text-2);transform:translate(-50%,-50%)}
.faq-icon::before{width:9px;height:1.5px}
.faq-icon::after{width:1.5px;height:9px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);border-color:rgba(198,248,74,.6)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a__inner{border-top:1px solid var(--line);padding:16px 4px 22px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{border-top:1px solid rgba(198,248,74,.3);border-bottom:1px solid rgba(198,248,74,.3);background:rgba(198,248,74,.06)}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:44px 0;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.6vw,28px);font-weight:700;margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{position:relative;z-index:1;border-top:1px solid var(--line);background:rgba(7,11,20,.72);backdrop-filter:blur(10px)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:72px 0 40px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-about{color:var(--text-3);font-size:14px;line-height:1.8;max-width:330px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);flex-wrap:wrap}

/* ---------- drawer & mobile tab ---------- */
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(330px,86%);
  display:flex;flex-direction:column;gap:10px;padding:22px;
  background:rgba(7,11,20,.96);backdrop-filter:blur(18px);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .3s var(--ease);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.drawer__nav{display:grid;gap:6px}
.drawer__nav a{padding:14px 14px;border-radius:14px;font-size:16px;color:var(--text-2);transition:color .2s var(--ease),background .2s var(--ease)}
.drawer__nav a:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.drawer__nav a.active{color:var(--brand);background:rgba(198,248,74,.09)}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(3,6,12,.62);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .3s var(--ease)
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:75;display:none;
  height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,11,20,.86);backdrop-filter:blur(18px);border-top:1px solid var(--line)
}
.mobile-tab__inner{display:grid;grid-template-columns:repeat(4,1fr);height:60px}
.mobile-tab a{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:11px;color:var(--text-2);transition:color .2s var(--ease)
}
.mobile-tab a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a.active{color:var(--brand)}
.mobile-tab a.active::before{content:"";position:absolute;top:3px;width:16px;height:2px;border-radius:2px;background:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:72px 0}
  .section-tight{padding:44px 0 72px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tl-grid{grid-template-columns:minmax(0,1fr);gap:0}
  .tl-col--offset{padding-top:0}
  .desk-nav,.header-cta{display:none}
  .menu-btn{display:inline-flex}
  .mobile-tab{display:block}
  body{padding-bottom:96px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .page-banner__body{min-height:220px}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:36px 0 56px}
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding:52px 0 32px}
  .btn{height:44px;padding:0 18px;font-size:14px}
  .btn-sm{height:40px}
  .page-banner__body{min-height:180px;padding:32px 0 28px}
  .page-banner__desc{font-size:14px}
  .cta-inner{padding:36px 0;flex-direction:column;align-items:flex-start}
  .tl-item{padding-left:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-900:#070B14;
  --bg-800:#0C1424;
  --bg-700:#121D33;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text-1:#E8EFF9;
  --text-2:#9DB0C9;
  --text-3:#6B7E99;
  --brand:#C6F84A;
  --brand-deep:#9BE81F;
  --accent:#FFB020;
  --glow:rgba(198,248,74,.32);
  --radius:20px;
  --shadow:0 18px 40px -24px rgba(0,0,0,.8);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-900);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  text-align:left;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(600px 600px at 92% 3%, rgba(198,248,74,.09), transparent 70%),
    radial-gradient(700px 700px at 3% 97%, rgba(56,189,248,.07), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:32px 32px;
}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700}
p{margin:0}
a{color:inherit}
img{max-width:100%}
button{font-family:inherit}
::selection{background:rgba(198,248,74,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#070B14}
::-webkit-scrollbar-thumb{background:rgba(198,248,74,.22);border-radius:8px;border:2px solid #070B14}
::-webkit-scrollbar-thumb:hover{background:rgba(198,248,74,.36)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;position:relative;z-index:1}
.section{padding:96px 0}
.sec-head{max-width:760px;margin-bottom:36px}
.sec-head h2{font-size:clamp(22px,3.2vw,32px);line-height:1.25;margin-bottom:14px;letter-spacing:-.01em}
.sec-head p{font-size:15px;color:var(--text-2);max-width:680px}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.72);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .24s var(--ease);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s var(--ease)}
.site-header.shrink .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text-1);text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.logo-mark{width:10px;height:10px;border-radius:3px;background:var(--brand);box-shadow:0 0 12px var(--glow);flex:none}
.desk-nav{display:flex;align-items:center;gap:28px}
.desk-nav a{position:relative;font-size:15px;color:var(--text-2);text-decoration:none;padding:6px 2px;transition:color .2s var(--ease)}
.desk-nav a:hover{color:var(--text-1)}
.desk-nav a.active{color:var(--brand)}
.desk-nav a.active::after{content:"";position:absolute;left:50%;bottom:-8px;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--brand)}
.header-right{display:flex;align-items:center;gap:14px}
.menu-btn{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;
  border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);
  color:var(--text-1);cursor:pointer;transition:border-color .2s var(--ease),color .2s var(--ease)
}
.menu-btn:hover{border-color:rgba(198,248,74,.45);color:var(--brand)}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;text-decoration:none;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease)
}
.btn-primary{
  background:linear-gradient(135deg,#C6F84A,#9BE81F);color:#07120A;
  box-shadow:0 0 0 1px rgba(198,248,74,.5),0 8px 28px var(--glow)
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(198,248,74,.6),0 10px 36px rgba(198,248,74,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,248,74,.5),0 5px 16px rgba(198,248,74,.2)}
.btn-ghost{
  background:rgba(255,255,255,.06);border-color:var(--line-strong);color:var(--text-1);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)
}
.btn-ghost:hover{border-color:rgba(198,248,74,.45);color:var(--brand)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}

/* banner */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:.5}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,20,.86) 0%,rgba(7,11,20,.72) 42%,rgba(7,11,20,.96) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:56px 0 48px;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:16px;flex-wrap:wrap}
.crumbs a{text-decoration:none;color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .now{color:var(--text-2)}
.cat-hero h1{font-size:clamp(26px,4.6vw,42px);line-height:1.18;letter-spacing:-.02em;font-weight:800;max-width:900px}
.cat-hero-desc{margin-top:16px;max-width:720px;font-size:15px;color:var(--text-2)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  font-size:13.5px;color:var(--text-2);border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)
}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#07120A;font-weight:700}

/* stats */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:0 0 40px}
.stat{padding:22px 24px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.035)}
.stat-num{display:block;font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.1;color:var(--brand);font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.stat-label{display:block;margin-top:6px;font-size:14px;color:var(--text-2)}

/* card grid */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pcard{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)
}
.pcard:hover{transform:translateY(-4px);border-color:rgba(198,248,74,.35);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),0 26px 48px -22px rgba(0,0,0,.9)}
.pcard-link{display:block;height:100%;text-decoration:none}
.pcard-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-700)}
.pcard-media img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s var(--ease)}
.pcard:hover .pcard-media img{transform:scale(1.05)}
.pcard-body{padding:20px 24px 24px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:13px;letter-spacing:.02em;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);color:var(--text-2)
}
.badge-amber{color:var(--accent);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.3)}
.pcard-title{margin-top:14px;font-size:20px;font-weight:600;line-height:1.4;color:var(--text-1);transition:color .2s var(--ease)}
.pcard:hover .pcard-title{color:var(--brand)}
.pcard-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.pcard-list li{position:relative;padding-left:16px;font-size:14px;line-height:1.7;color:var(--text-2)}
.pcard-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--brand);opacity:.75}
.pcard-foot{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;
  color:var(--brand);border-bottom:2px solid rgba(198,248,74,.4);padding-bottom:2px
}

/* flat section */
.flat{background:var(--bg-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line);position:relative;z-index:1}
.dir-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.dir-item{padding:28px 26px;border-radius:18px;border:1px solid var(--line);background:rgba(255,255,255,.028);transition:border-color .2s var(--ease),background .2s var(--ease)}
.dir-item:hover{border-color:rgba(198,248,74,.32);background:rgba(255,255,255,.05)}
.dir-no{display:block;font-size:30px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1px rgba(198,248,74,.6);font-variant-numeric:tabular-nums}
.dir-item h3{margin-top:14px;font-size:19px;font-weight:600}
.dir-item p{margin-top:10px;font-size:15px;color:var(--text-2)}
.dir-note{margin-top:22px;font-size:14px;color:var(--text-3)}

/* faq */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.03);
  margin-bottom:12px;overflow:hidden;transition:border-color .22s var(--ease)
}
.faq-item[open]{border-color:rgba(198,248,74,.3)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:19px 22px;font-size:16px;font-weight:600;color:var(--text-1);
  cursor:pointer;list-style:none
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::marker{content:""}
.faq-icon{
  flex:none;width:22px;height:22px;border-radius:50%;border:1px solid var(--line-strong);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;line-height:1;
  color:var(--text-2);transition:transform .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease)
}
.faq-item[open] .faq-icon{transform:rotate(45deg);color:var(--brand);border-color:rgba(198,248,74,.45)}
.faq-a{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2);border-top:1px solid var(--line);margin-top:2px;padding-top:16px}

/* cta */
.cta-panel{
  border:1px solid rgba(198,248,74,.45);background:rgba(198,248,74,.06);border-radius:24px;
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap
}
.cta-panel h2{font-size:clamp(20px,2.6vw,28px);line-height:1.3}
.cta-panel p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px}

/* footer */
.site-footer{position:relative;z-index:1;background:rgba(12,20,36,.72);border-top:1px solid var(--line);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:64px 0 44px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text-1)}
.footer-about{margin-top:16px;font-size:14px;line-height:1.8;color:var(--text-3);max-width:340px}
.footer-col h4{font-size:15px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);text-decoration:none;transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;
  align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap
}
.footer-bottom p{font-size:13px;color:var(--text-3)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;z-index:85;background:rgba(3,6,12,.6);
  opacity:0;pointer-events:none;transition:opacity .28s var(--ease)
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;width:min(84vw,340px);
  background:rgba(12,20,36,.98);border-left:1px solid var(--line);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  transform:translateX(101%);transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:20px
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);color:var(--text-1);cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center
}
.drawer-close svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round}
.drawer-nav{display:grid;gap:6px;margin-top:18px}
.drawer-nav a{
  display:block;padding:14px 12px;border-radius:12px;font-size:15px;color:var(--text-2);
  text-decoration:none;transition:background .2s var(--ease),color .2s var(--ease)
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--text-1)}
.drawer-nav a.active{color:var(--brand);background:rgba(198,248,74,.08)}

/* mobile tab */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);
  background:rgba(7,11,20,.88);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-top:1px solid var(--line)
}
.mobile-tab a{
  position:relative;flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);text-decoration:none
}
.mobile-tab a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.mobile-tab a.active{color:var(--brand)}
.mobile-tab a.active::before{content:"";position:absolute;top:0;width:16px;height:2px;border-radius:2px;background:var(--brand)}

@media (max-width:1023px){
  .wrap{padding:0 24px}
  .section{padding:72px 0}
  .desk-nav,.header-cta{display:none}
  .menu-btn{display:inline-flex}
  .mobile-tab{display:flex}
  body{padding-bottom:76px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px}
  .footer-about{max-width:none}
  .cat-hero-inner{min-height:220px;padding:44px 0 38px}
}
@media (max-width:639px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .logo{font-size:16px}
  .card-grid{grid-template-columns:1fr;gap:20px}
  .stat-row{grid-template-columns:1fr;gap:14px;margin-bottom:28px}
  .dir-grid{grid-template-columns:1fr}
  .cat-hero-inner{min-height:180px;padding:36px 0 32px}
  .cat-hero-img{opacity:.42}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 30px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-panel{padding:28px 22px}
  .pcard-body{padding:18px 20px 22px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a{padding:14px 18px 20px}
  .btn{height:44px;padding:0 22px}
  .btn-sm{height:40px;padding:0 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --bg-900:#070B14;--bg-800:#0C1424;--bg-700:#121D33;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --text-1:#E8EFF9;--text-2:#9DB0C9;--text-3:#6B7E99;
  --brand:#C6F84A;--brand-deep:#9BE81F;--accent:#FFB020;
  --glow:rgba(198,248,74,.32);
  --radius:20px;--radius-sm:14px;
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding-bottom:76px;overflow-x:hidden;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text-2);
  background-color:var(--bg-900);
  background-image:
    radial-gradient(600px 600px at 100% 0%, rgba(198,248,74,.09), transparent 70%),
    radial-gradient(700px 700px at 0% 100%, rgba(56,189,248,.07), transparent 70%),
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:auto,auto,32px 32px,32px 32px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;line-height:1.25;letter-spacing:-.01em;text-align:left}
p{margin:0;text-align:left}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1024px){ .wrap{padding:0 32px} }
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--brand);color:#07120A;padding:10px 18px;border-radius:0 0 12px 0;font-weight:700}
.skip:focus{left:0}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;display:flex;align-items:center;height:72px;
  background:rgba(7,11,20,.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:height .25s var(--ease),background .25s var(--ease);
}
.site-header.scrolled{height:64px;background:rgba(7,11,20,.86)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:18px;font-weight:800;color:var(--text-1);letter-spacing:-.02em;white-space:nowrap}
.logo-mark{flex:0 0 8px;width:8px;height:8px;border-radius:2px;background:var(--brand);box-shadow:0 0 12px var(--glow)}
.desk-nav{display:none;align-items:center;gap:28px}
.desk-nav a{position:relative;font-size:15px;color:var(--text-2);transition:color .2s var(--ease)}
.desk-nav a:hover{color:var(--text-1)}
.desk-nav a.active{color:var(--brand)}
.desk-nav a.active::after{content:"";position:absolute;left:50%;bottom:-9px;transform:translateX(-50%);width:20px;height:2px;border-radius:2px;background:var(--brand)}
@media (min-width:1024px){ .desk-nav{display:flex} }
.header-right{display:flex;align-items:center;gap:10px}
.header-cta{display:none}
@media (min-width:768px){ .header-cta{display:inline-flex} }
.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);transition:border-color .2s var(--ease),background .2s var(--ease)}
.menu-btn:hover{border-color:rgba(198,248,74,.45);background:rgba(255,255,255,.08)}
.menu-btn svg{width:22px;height:22px;fill:none;stroke:var(--text-1);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
@media (min-width:1024px){ .menu-btn{display:none} }

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;min-height:44px}
.btn-primary{color:#07120A;font-weight:700;background:linear-gradient(135deg,#C6F84A,#9BE81F);box-shadow:0 0 0 1px rgba(198,248,74,.5),0 8px 28px var(--glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(198,248,74,.6),0 10px 36px rgba(198,248,74,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(198,248,74,.4),0 4px 14px rgba(198,248,74,.22)}
.btn-ghost{color:var(--text-1);background:rgba(255,255,255,.06);border:1px solid var(--line-strong);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.btn-ghost:hover{border-color:rgba(198,248,74,.45);color:var(--brand);transform:translateY(-1px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);border-bottom:2px solid rgba(198,248,74,.5);padding-bottom:2px;transition:border-color .2s var(--ease)}
.link-more:hover{border-color:var(--brand)}
@media (max-width:639px){ .btn{height:44px;padding:0 20px;font-size:14px} .btn-sm{height:40px;padding:0 16px} }

/* ---------- banner ---------- */
.page-banner{position:relative;overflow:hidden;background:var(--bg-800);border-bottom:1px solid var(--line)}
.page-banner .banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.page-banner .banner-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,.66),rgba(7,11,20,.97))}
.banner-inner{position:relative;min-height:180px;padding-top:40px;padding-bottom:32px;display:flex;flex-direction:column;justify-content:center;gap:14px}
@media (min-width:1024px){ .banner-inner{min-height:260px;padding-top:56px;padding-bottom:44px;gap:16px} }
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-3);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:var(--text-2)}
.page-banner h1{font-size:clamp(24px,4.4vw,38px);font-weight:800;line-height:1.15;letter-spacing:-.02em;max-width:900px}
.banner-desc{max-width:760px;font-size:15px;color:var(--text-2)}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.chip{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;font-size:13px;letter-spacing:.02em;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line);transition:all .2s var(--ease)}
.chip:hover{color:var(--text-1);border-color:var(--line-strong)}
.chip.active{color:#07120A;font-weight:700;background:var(--brand);border-color:transparent;box-shadow:0 6px 20px rgba(198,248,74,.22)}

/* ---------- sections ---------- */
.section{padding:52px 0}
@media (min-width:640px){ .section{padding:68px 0} }
@media (min-width:1024px){ .section{padding:88px 0} }
.section-head{display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.section-head .eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.section-head h2{font-size:clamp(22px,3.2vw,32px)}
.section-head p{max-width:740px;font-size:15px;color:var(--text-2)}
.section-alt{background:rgba(12,20,36,.5);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- steps ---------- */
.steps{display:grid;gap:16px}
@media (min-width:640px){ .steps{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .steps{grid-template-columns:repeat(4,1fr);gap:20px} }
.step{position:relative;padding:24px 22px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));box-shadow:0 18px 40px -24px rgba(0,0,0,.8);transition:transform .22s var(--ease),border-color .22s var(--ease)}
.step::after{content:"";position:absolute;left:22px;right:22px;top:0;height:2px;border-radius:2px;background:linear-gradient(90deg,rgba(198,248,74,.8),rgba(198,248,74,0))}
.step:hover{transform:translateY(-4px);border-color:rgba(198,248,74,.35)}
.step .num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.02em;line-height:1}
.step h3{font-size:18px;margin:12px 0 8px}
.step p{font-size:14px;line-height:1.7}

/* ---------- scope cards ---------- */
.scope-grid{display:grid;gap:16px}
@media (min-width:640px){ .scope-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .scope-grid{grid-template-columns:repeat(4,1fr)} }
.scope-card{padding:22px 20px;border-radius:var(--radius-sm);background:var(--bg-800);border:1px solid var(--line);transition:transform .22s var(--ease),border-color .22s var(--ease)}
.scope-card:hover{transform:translateY(-4px);border-color:rgba(198,248,74,.35)}
.scope-card .badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;letter-spacing:.04em;color:var(--accent);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.24)}
.scope-card h3{font-size:17px;margin:12px 0 8px}
.scope-card p{font-size:14px;line-height:1.7}

/* ---------- alt rows ---------- */
.alt-list{display:flex;flex-direction:column}
.alt-row{display:grid;gap:22px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}
.alt-row:last-child{border-bottom:0}
@media (min-width:900px){ .alt-row{grid-template-columns:1fr 1fr;gap:52px;padding:34px 0} .alt-row.reverse .alt-media{order:2} }
.alt-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:0 18px 40px -24px rgba(0,0,0,.8);background:var(--bg-700)}
.alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s var(--ease)}
.alt-row:hover .alt-media img{transform:scale(1.04)}
.alt-index{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.alt-body h3{font-size:clamp(20px,2.6vw,24px);margin:10px 0 12px}
.alt-body p{font-size:15px;color:var(--text-2);margin-bottom:14px}
.tick-list li{position:relative;padding-left:20px;margin-bottom:9px;font-size:15px;color:var(--text-2)}
.tick-list li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;background:var(--brand)}
.tick-list li strong{color:var(--text-1);font-weight:600}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;padding:16px 4px;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);transition:color .2s var(--ease)}
.faq-q:hover{color:var(--brand)}
.faq-icon{position:relative;flex:0 0 22px;height:22px;transition:transform .28s var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%)}
.faq-icon::before{width:14px;height:2px}
.faq-icon::after{width:2px;height:14px}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.faq-a-inner{padding:14px 4px 20px;border-top:1px solid var(--line);font-size:15px;line-height:1.8;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-panel{display:flex;flex-direction:column;gap:18px;align-items:flex-start;padding:28px 24px;border-radius:24px;border:1px solid rgba(198,248,74,.5);background:rgba(198,248,74,.06)}
.cta-panel h2{font-size:clamp(20px,2.6vw,26px)}
.cta-panel p{font-size:15px;color:var(--text-2);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:900px){ .cta-panel{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;gap:32px} }

/* ---------- footer ---------- */
.site-footer{margin-top:56px;padding:48px 0 28px;border-top:1px solid var(--line);background:rgba(12,20,36,.62)}
.footer-grid{display:grid;gap:28px}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px} }
.footer-brand{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:800;color:var(--text-1)}
.footer-about{margin-top:12px;max-width:320px;font-size:14px;line-height:1.8;color:var(--text-3)}
.footer-col h4{font-size:15px;color:var(--text-1);margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s var(--ease)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}
.footer-bottom p{font-size:13px;color:var(--text-3)}

/* ---------- mobile tabbar ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:grid;grid-template-columns:repeat(4,1fr);height:calc(60px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(7,11,20,.9);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line)}
.tabbar a{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;font-size:11px;color:var(--text-2);transition:color .2s var(--ease)}
.tabbar a svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.tabbar a.active{color:var(--brand)}
.tabbar a.active::before{content:"";position:absolute;top:0;width:16px;height:2px;border-radius:2px;background:var(--brand)}
@media (min-width:1024px){ .tabbar{display:none} body{padding-bottom:0} }

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:90;pointer-events:none}
.drawer .drawer-scrim{position:absolute;inset:0;background:rgba(4,7,13,.62);opacity:0;transition:opacity .3s var(--ease)}
.drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(320px,86vw);display:flex;flex-direction:column;gap:2px;padding:20px 22px 32px;background:rgba(9,14,26,.98);backdrop-filter:blur(18px);border-left:1px solid var(--line);transform:translateX(100%);transition:transform .3s var(--ease);overflow-y:auto}
.drawer.open{pointer-events:auto}
.drawer.open .drawer-scrim{opacity:1}
.drawer.open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.drawer-head .logo{font-size:16px}
.drawer-panel a.drawer-link{padding:13px 2px;font-size:16px;color:var(--text-2);border-bottom:1px solid var(--line);transition:color .2s var(--ease)}
.drawer-panel a.drawer-link:hover{color:var(--text-1)}
.drawer-panel a.drawer-link.active{color:var(--brand)}
.drawer-note{margin-top:auto;padding-top:20px;font-size:13px;line-height:1.7;color:var(--text-3)}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}