/* roulang page: index */
:root{
  --bg-0:#070C18;
  --bg-1:#0B1226;
  --bg-2:#101A32;
  --brand:#4C8DFF;
  --brand-deep:#2F6BD8;
  --amber:#F0B45F;
  --jade:#52D6C4;
  --text-1:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6F7E9E;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --stroke:rgba(140,180,255,.16);
  --stroke-strong:rgba(140,180,255,.34);
  --radius-s:10px;
  --radius:18px;
  --radius-l:24px;
  --shadow-1:0 14px 36px rgba(3,8,20,.42);
  --shadow-glow:0 10px 30px rgba(76,141,255,.35);
  --sec-pad:clamp(64px,8vw,116px);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 8% -6%, rgba(76,141,255,.10), transparent 62%),
    radial-gradient(760px 460px at 96% 8%, rgba(240,180,95,.07), transparent 60%),
    linear-gradient(rgba(140,180,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7EAEFF;}
p{margin:0 0 1rem;}
h1,h2,h3,h4,h5{margin:0;font-weight:800;letter-spacing:-.3px;line-height:1.3;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,backdrop-filter .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(9,15,30,.78);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--stroke);
}
.nav-shell{padding:12px 0;}
.nav-inner{display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-1);flex:0 0 auto;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(45deg,#3E7BF0,#5FA0FF);
  box-shadow:0 0 0 1px rgba(76,141,255,.55),0 8px 22px rgba(76,141,255,.38);
  color:#fff;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:1.2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:var(--radius-s);
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--jade));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text-1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);
  color:var(--text-1);font-size:14px;font-weight:600;
  transition:all .22s ease;
}
.btn-ghost:hover{background:var(--glass-strong);border-color:var(--stroke-strong);color:var(--text-1);transform:translateY(-1px);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;border:none;
  background:linear-gradient(45deg,#3E7BF0,#5C9BFF);
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 0 0 1px rgba(76,141,255,.5),0 10px 30px rgba(76,141,255,.35);
  transition:all .24s ease;
}
.btn-glow:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,141,255,.7),0 16px 40px rgba(76,141,255,.5);}
.btn-glow:active{transform:translateY(1px);}
.btn-lg-glow{padding:14px 30px;font-size:15px;}
.nav-toggle{
  margin-left:auto;border:1px solid var(--stroke);background:var(--glass);
  width:44px;height:40px;border-radius:10px;display:grid;place-items:center;color:var(--text-1);
}
.nav-toggle:focus{box-shadow:none;}
.nav-toggle .bar{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:2px 0;}

/* ---------- shared ---------- */
section{position:relative;padding:var(--sec-pad) 0;}
.band-a{background:linear-gradient(180deg,rgba(7,12,24,.0),rgba(11,18,38,.9));}
.band-b{background:rgba(11,18,38,.75);border-top:1px solid rgba(140,180,255,.08);border-bottom:1px solid rgba(140,180,255,.08);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.3);
  color:#9CC2FF;font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;
}
.sec-head{max-width:760px;margin-bottom:clamp(32px,4vw,52px);}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);margin-bottom:14px;}
.sec-head p{color:var(--text-2);font-size:15.5px;max-width:46ch;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center p{margin-left:auto;margin-right:auto;}
.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(76,141,255,.4);
  background:rgba(255,255,255,.075);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(82,214,196,.12);border:1px solid rgba(82,214,196,.3);color:#8DE8DB;
}
.chip-amber{background:rgba(240,180,95,.12);border-color:rgba(240,180,95,.32);color:#F5CE93;}
.chip-blue{background:rgba(76,141,255,.13);border-color:rgba(76,141,255,.32);color:#A6C7FF;}
.img-frame{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:0 18px 44px rgba(3,8,20,.5);
  background:var(--bg-2);
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.img-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,0) 42%,rgba(7,12,24,.86) 100%);
  pointer-events:none;
}
.img-frame .img-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-size:12.5px;color:var(--text-2);letter-spacing:.5px;
  display:flex;align-items:center;gap:8px;
}
.img-frame .img-tag i{color:var(--amber);}
.ratio-16x9{aspect-ratio:16/9;}
.ratio-4x3{aspect-ratio:4/3;}
.ratio-3x2{aspect-ratio:3/2;}
.ratio-21x9{aspect-ratio:21/9;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:clamp(70px,9vw,128px) 0 clamp(56px,7vw,96px);
  background:url('/assets/images/d1035debdc7bf0de.webp') center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 14% 0%, rgba(76,141,255,.26), transparent 62%),
    radial-gradient(760px 440px at 88% 100%, rgba(240,180,95,.14), transparent 64%),
    linear-gradient(180deg,rgba(7,12,24,.86) 0%,rgba(7,12,24,.94) 62%,var(--bg-0) 100%);
}
.hero .container{position:relative;z-index:2;}
.hero h1{font-size:clamp(30px,4.2vw,54px);font-weight:800;letter-spacing:-.5px;margin-bottom:18px;}
.hero h1 .hl{
  background:linear-gradient(92deg,#8FC0FF,#52D6C4 60%,#F0B45F);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:clamp(16px,1.4vw,19px);color:#C7D5F2;font-weight:600;margin-bottom:14px;}
.hero-lead{color:var(--text-2);font-size:15.5px;max-width:46ch;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;}
.hero-figure{position:relative;}
.hero-figure .img-frame{border-radius:20px;box-shadow:0 24px 60px rgba(3,8,20,.6),0 0 60px rgba(76,141,255,.18);}
.hero-figure .float-card{
  position:absolute;left:-26px;bottom:26px;z-index:3;
  padding:14px 18px;border-radius:14px;
  background:rgba(11,18,38,.86);border:1px solid var(--stroke-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  font-size:13px;color:var(--text-2);box-shadow:var(--shadow-1);
}
.hero-figure .float-card strong{display:block;color:var(--text-1);font-size:15px;margin-bottom:2px;}
@media (max-width:991.98px){
  .hero-figure{margin-top:36px;}
  .hero-figure .float-card{left:12px;bottom:12px;}
}

/* ---------- stats ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
  overflow:hidden;
}
.stat-item{padding:26px 22px;position:relative;text-align:center;}
.stat-item + .stat-item::before{
  content:"";position:absolute;left:0;top:22%;bottom:22%;width:1px;
  background:linear-gradient(180deg,transparent,rgba(140,180,255,.35),transparent);
}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--text-1);letter-spacing:-.5px;}
.stat-num .unit{font-size:14px;color:var(--brand);margin-left:3px;font-weight:700;}
.stat-label{font-size:13.5px;color:var(--text-3);margin-top:4px;}
@media (max-width:767.98px){
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .stat-item:nth-child(3)::before{display:none;}
  .stat-item:nth-child(3),.stat-item:nth-child(4){border-top:1px solid rgba(140,180,255,.14);}
}

/* ---------- capability cards ---------- */
.cap-card{padding:30px;height:100%;display:flex;flex-direction:column;}
.cap-icon{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  font-size:20px;margin-bottom:18px;
  background:rgba(76,141,255,.14);border:1px solid rgba(76,141,255,.32);color:#8FBBFF;
}
.cap-icon.jade{background:rgba(82,214,196,.12);border-color:rgba(82,214,196,.32);color:var(--jade);}
.cap-icon.amber{background:rgba(240,180,95,.12);border-color:rgba(240,180,95,.32);color:var(--amber);}
.cap-card h3{font-size:20px;margin-bottom:10px;}
.cap-card p{color:var(--text-2);font-size:14.5px;margin-bottom:16px;}
.cap-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);padding:8px 0;
  border-top:1px dashed rgba(140,180,255,.14);
}
.cap-list li:first-child{border-top:none;}
.cap-list li i{color:var(--jade);margin-top:5px;font-size:12px;}
.cap-media{margin-top:auto;padding-top:18px;}

/* ---------- flow ---------- */
.flow-wrap{position:relative;}
.flow-line{
  position:absolute;left:6%;right:6%;top:34px;height:2px;
  background:linear-gradient(90deg,rgba(76,141,255,.1),rgba(76,141,255,.7),rgba(82,214,196,.7),rgba(240,180,95,.5));
  filter:blur(.2px);
}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow-node{text-align:left;}
.flow-dot{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:rgba(82,214,196,.14);border:1px solid rgba(82,214,196,.45);
  color:var(--jade);margin-bottom:16px;
  box-shadow:0 0 0 6px rgba(7,12,24,.9),0 0 22px rgba(82,214,196,.3);
}
.flow-node h3{font-size:17px;margin-bottom:8px;}
.flow-node p{font-size:14px;color:var(--text-2);margin:0;}
@media (max-width:991.98px){
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .flow-line{display:none;}
}
@media (max-width:575.98px){.flow-grid{grid-template-columns:1fr;}}

/* ---------- demo tabs ---------- */
.demo-panel{padding:26px;height:100%;}
.demo-nav{display:flex;flex-direction:column;gap:12px;}
.demo-nav .nav-link{
  text-align:left;border-radius:14px;padding:16px 18px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  color:var(--text-2);font-size:15px;font-weight:600;
  transition:all .22s ease;
}
.demo-nav .nav-link:hover{color:var(--text-1);border-color:var(--stroke-strong);}
.demo-nav .nav-link.active{
  background:rgba(76,141,255,.16);border-color:rgba(76,141,255,.48);
  color:var(--text-1);box-shadow:0 8px 24px rgba(76,141,255,.22);
}
.demo-nav .nav-link small{display:block;font-weight:400;font-size:12.5px;color:var(--text-3);margin-top:3px;}
.demo-nav .nav-link.active small{color:#A6C7FF;}
.demo-notes{margin-top:22px;}
.demo-notes li{display:flex;gap:10px;font-size:13.8px;color:var(--text-2);padding:6px 0;}
.demo-notes li i{color:var(--jade);margin-top:5px;font-size:11px;}

/* ---------- scenarios ---------- */
.scene-card{padding:0;overflow:hidden;height:100%;display:flex;flex-direction:column;}
.scene-card .img-frame{border-radius:0;border:none;box-shadow:none;}
.scene-body{padding:22px 24px 26px;}
.scene-body h3{font-size:18px;margin-bottom:8px;}
.scene-body p{font-size:14px;color:var(--text-2);margin-bottom:14px;}
.scene-card:hover .img-frame img{transform:scale(1.03);}
.scene-offset{margin-top:34px;}
@media (max-width:991.98px){.scene-offset{margin-top:0;}}

/* ---------- teahouse ---------- */
.teahouse-info{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.teahouse-info .info-badge{
  flex:1 1 150px;padding:14px 16px;border-radius:14px;
  background:rgba(240,180,95,.08);border:1px solid rgba(240,180,95,.28);
}
.teahouse-info .info-badge span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.6px;}
.teahouse-info .info-badge strong{font-size:15px;color:#F6D9AC;}
.th-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);padding:7px 0;}
.th-list li i{color:var(--amber);margin-top:5px;font-size:12px;}

/* ---------- cases ---------- */
.case-card{padding:26px;align-items:center;}
.case-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px;}
.case-card h3{font-size:20px;margin-bottom:10px;}
.case-card p{color:var(--text-2);font-size:14.5px;}
.case-metrics{display:flex;flex-wrap:wrap;gap:22px;margin-top:18px;}
.case-metrics div span{display:block;font-size:12.5px;color:var(--text-3);}
.case-metrics div strong{font-size:19px;color:var(--jade);}

/* ---------- pricing ---------- */
.price-card{padding:30px 26px;height:100%;display:flex;flex-direction:column;}
.price-card.featured{
  border-color:rgba(76,141,255,.6);
  background:rgba(76,141,255,.09);
  box-shadow:0 0 0 1px rgba(76,141,255,.35),0 18px 46px rgba(76,141,255,.24);
}
.price-tag{position:absolute;top:-13px;left:26px;padding:3px 14px;border-radius:999px;font-size:12px;font-weight:700;background:linear-gradient(45deg,#E9A94D,#F5CD8C);color:#241602;letter-spacing:.5px;}
.price-card h3{font-size:19px;margin-bottom:6px;}
.price-desc{font-size:13.5px;color:var(--text-3);margin-bottom:18px;}
.price-num{font-size:38px;font-weight:800;line-height:1;color:var(--text-1);margin-bottom:4px;}
.price-num small{font-size:14px;font-weight:500;color:var(--text-3);margin-left:6px;}
.price-list{margin:20px 0 24px;}
.price-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);padding:8px 0;border-top:1px dashed rgba(140,180,255,.14);}
.price-list li:first-child{border-top:none;}
.price-list li i{font-size:12px;margin-top:5px;color:var(--jade);}
.price-list li.off{color:var(--text-3);}
.price-list li.off i{color:var(--text-3);}
.price-card .btn-glow,.price-card .btn-ghost{width:100%;margin-top:auto;}

/* ---------- reviews ---------- */
.review-col{display:flex;flex-direction:column;gap:20px;}
.review-card{padding:22px;}
.review-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.avatar-dot{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:700;color:#0A1226;
  background:linear-gradient(45deg,#8FC0FF,#52D6C4);
}
.review-name{font-size:14.5px;font-weight:700;}
.review-city{font-size:12px;color:var(--text-3);}
.stars{color:var(--amber);font-size:12.5px;letter-spacing:2px;margin-bottom:8px;}
.review-card p{font-size:14px;color:var(--text-2);margin:0;}

/* ---------- voice ---------- */
.voice-quote{
  font-size:clamp(20px,2.4vw,28px);font-weight:800;line-height:1.55;letter-spacing:-.4px;
  color:var(--text-1);margin-bottom:18px;
}
.voice-quote em{font-style:normal;color:var(--jade);}
.voice-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.voice-tag{
  display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:14px;
  background:var(--glass);border:1px solid var(--stroke);font-size:14.5px;color:var(--text-1);
}
.voice-tag i{color:var(--amber);}
.city-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}

/* ---------- rules ---------- */
.rule-item{
  display:flex;gap:14px;padding:16px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  margin-bottom:14px;
}
.rule-idx{
  flex:0 0 30px;width:30px;height:30px;border-radius:9px;
  display:grid;place-items:center;font-size:13px;font-weight:800;
  background:rgba(82,214,196,.14);border:1px solid rgba(82,214,196,.4);color:var(--jade);
}
.rule-item h3{font-size:15.5px;margin-bottom:4px;}
.rule-item p{font-size:13.8px;color:var(--text-2);margin:0;}

/* ---------- faq ---------- */
.acc .accordion-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:14px;
  margin-bottom:14px;overflow:hidden;
}
.acc .accordion-item:hover{border-color:var(--stroke-strong);}
.acc .accordion-button{
  background:transparent;color:var(--text-1);font-size:16px;font-weight:700;
  padding:18px 22px;box-shadow:none;border-radius:14px;position:relative;
  transition:background .22s ease;
}
.acc .accordion-button:not(.collapsed){background:rgba(76,141,255,.1);color:#CFE0FF;}
.acc .accordion-button::after{
  background-image:none;content:"+";font-size:22px;font-weight:400;line-height:1;
  width:auto;height:auto;color:var(--jade);transform:none;transition:transform .26s ease;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--amber);}
.acc .accordion-button:focus{box-shadow:none;}
.acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--jade),var(--brand));
}
.acc .accordion-body{padding:0 22px 20px 22px;color:var(--text-2);font-size:14.5px;}

/* ---------- news ---------- */
.news-card{padding:0;overflow:hidden;height:100%;display:flex;flex-direction:column;}
.news-card__media{display:block;position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0;}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-card__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,12,24,0) 50%,rgba(7,12,24,.7) 100%);}
.news-card:hover .news-card__media img{transform:scale(1.03);}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-body .chip{align-self:flex-start;margin-bottom:10px;}
.news-body h3{font-size:16.5px;line-height:1.5;margin-bottom:8px;transition:color .2s ease;}
.news-card:hover h3{color:#9CC2FF;}
.news-body h3 a{color:inherit;}
.news-body h3 a:hover{color:#9CC2FF;}
.news-excerpt{font-size:13.5px;color:var(--text-2);margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);border-top:1px solid rgba(140,180,255,.12);padding-top:12px;
}
.news-foot a{color:#9CC2FF;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-foot a:hover{color:#C6DCFF;}
.news-empty{
  padding:48px 26px;text-align:center;border-radius:var(--radius);
  background:var(--glass);border:1px dashed rgba(140,180,255,.28);
}
.news-empty i{font-size:30px;color:var(--text-3);margin-bottom:14px;display:block;}
.news-empty p{color:var(--text-2);margin:0;font-size:14.5px;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  padding:clamp(34px,5vw,58px);
  background:
    radial-gradient(600px 300px at 12% 0%, rgba(76,141,255,.28), transparent 62%),
    radial-gradient(520px 300px at 92% 100%, rgba(240,180,95,.16), transparent 66%),
    rgba(255,255,255,.06);
  border:1px solid var(--stroke-strong);
  -webkit-backdrop-filter:blur(16px) saturate(140%);backdrop-filter:blur(16px) saturate(140%);
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:14px;}
.cta-band p{color:var(--text-2);font-size:15px;max-width:48ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:22px;}
.qr-slot{
  width:130px;height:130px;border-radius:16px;
  border:1px dashed rgba(140,180,255,.4);background:rgba(7,12,24,.5);
  display:grid;place-items:center;text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.5;padding:10px;
}

/* ---------- footer ---------- */
.site-footer{
  background:rgba(5,9,20,.88);
  border-top:1px solid rgba(140,180,255,.12);
  padding:clamp(48px,6vw,76px) 0 26px;
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-desc{font-size:14px;color:var(--text-2);max-width:34ch;}
.foot-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:var(--text-2);}
.foot-links a:hover{color:#9CC2FF;}
.foot-info li{font-size:14px;color:var(--text-2);margin-bottom:10px;display:flex;gap:9px;}
.foot-info li i{color:var(--jade);margin-top:5px;font-size:12px;}
.social-row{display:flex;gap:10px;margin-top:16px;}
.social-row a{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--stroke);color:var(--text-2);background:rgba(255,255,255,.04);
  transition:all .22s ease;
}
.social-row a:hover{color:var(--text-1);border-color:var(--stroke-strong);transform:translateY(-2px);}
.foot-bottom{
  margin-top:clamp(32px,4vw,48px);padding-top:20px;
  border-top:1px solid rgba(140,180,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--text-2);}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .glass-card:hover{transform:none;}
  .btn-glow:hover{transform:none;}
}

/* ---------- responsive ---------- */
@media (max-width:991.98px){
  .nav-links{flex-direction:column;align-items:stretch;gap:4px;margin:14px 0 6px;}
  .nav-links a{padding:12px 14px;background:rgba(255,255,255,.04);border-radius:12px;}
  .nav-links a::after{display:none;}
  .nav-actions{flex-direction:column;align-items:stretch;margin:6px 0 14px;gap:10px;}
  .nav-actions .btn-ghost,.nav-actions .btn-glow{width:100%;}
  .navbar-collapse{
    background:rgba(9,15,30,.96);border:1px solid var(--stroke);
    border-radius:16px;padding:14px;margin-top:12px;
    -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  }
}
@media (max-width:767.98px){
  :root{--sec-pad:56px;}
  .hero{padding-top:56px;}
  .hero-cta .btn-glow,.hero-cta .btn-ghost{width:100%;}
  .brand-sub{display:none;}
  .cta-actions .btn-glow,.cta-actions .btn-ghost{width:100%;}
  .qr-slot{margin-top:22px;}
  .foot-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --bg-0:#070C18;
  --bg-1:#0B1226;
  --bg-2:#101A32;
  --brand:#4C8DFF;
  --brand-deep:#2F6BD8;
  --amber:#F0B45F;
  --jade:#52D6C4;
  --text-1:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6F7E9E;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --stroke:rgba(140,180,255,.16);
  --stroke-strong:rgba(140,180,255,.34);
  --radius-s:10px;
  --radius:18px;
  --radius-l:24px;
  --shadow-1:0 14px 36px rgba(3,8,20,.42);
  --shadow-glow:0 10px 30px rgba(76,141,255,.35);
  --sec-pad:clamp(64px,8vw,116px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 8% -6%, rgba(76,141,255,.10), transparent 62%),
    radial-gradient(760px 460px at 96% 8%, rgba(240,180,95,.07), transparent 60%),
    linear-gradient(rgba(140,180,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7EAEFF;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 .55em;color:var(--text-1);line-height:1.3;font-weight:800;}
p{margin:0 0 1em;}
ul,ol{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--jade);outline-offset:3px;border-radius:6px;}
.container{max-width:1200px;padding-left:20px;padding-right:20px;}
@media (min-width:1400px){.container{max-width:1280px;}}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,backdrop-filter .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(9,15,30,.78);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--stroke);
}
.navbar{padding:0;background:transparent;}
.nav-shell{padding:12px 0;}
.nav-inner{display:flex;align-items:center;gap:18px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-1);flex:0 0 auto;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(45deg,#3E7BF0,#5FA0FF);
  box-shadow:0 0 0 1px rgba(76,141,255,.55),0 8px 22px rgba(76,141,255,.38);
  color:#fff;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:1.2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:var(--radius-s);
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--jade));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text-1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);
  color:var(--text-1);font-size:14px;font-weight:600;
  transition:all .22s ease;
}
.btn-ghost:hover{background:var(--glass-strong);border-color:var(--stroke-strong);color:var(--text-1);transform:translateY(-1px);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;border:none;
  background:linear-gradient(45deg,#3E7BF0,#5C9BFF);
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 0 0 1px rgba(76,141,255,.5),0 10px 30px rgba(76,141,255,.35);
  transition:all .24s ease;
}
.btn-glow:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,141,255,.7),0 16px 40px rgba(76,141,255,.5);}
.btn-glow:active{transform:translateY(1px);}
.btn-lg-glow{padding:14px 30px;font-size:15px;}
.nav-toggle{
  margin-left:auto;border:1px solid var(--stroke);background:var(--glass);
  width:44px;height:40px;border-radius:10px;display:grid;place-items:center;color:var(--text-1);
}
.nav-toggle:focus{box-shadow:none;}
.nav-toggle .bar{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:2px 0;}
/* ---------- shared ---------- */
section{position:relative;padding:var(--sec-pad) 0;}
.band-a{background:linear-gradient(180deg,rgba(7,12,24,0),rgba(11,18,38,.9));}
.band-b{background:linear-gradient(180deg,rgba(11,18,38,.85),rgba(7,12,24,.2));}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.3);
  color:#9CC2FF;font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;
}
.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(76,141,255,.4);
  background:rgba(255,255,255,.075);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(82,214,196,.12);border:1px solid rgba(82,214,196,.3);color:#8DE8DB;
}
.chip-amber{background:rgba(240,180,95,.12);border-color:rgba(240,180,95,.32);color:#F5CE93;}
.chip-blue{background:rgba(76,141,255,.13);border-color:rgba(76,141,255,.32);color:#A6C7FF;}
.img-frame{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:0 18px 44px rgba(3,8,20,.5);
  background:var(--bg-2);
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.img-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,12,24,0) 42%,rgba(7,12,24,.86) 100%);
}
.sec-title{font-size:clamp(24px,2.8vw,34px);font-weight:800;letter-spacing:-.3px;margin-bottom:12px;}
.sec-sub{color:var(--text-2);font-size:15.5px;max-width:640px;margin-bottom:0;}
/* ---------- article common ---------- */
.page-breadcrumb{
  padding-top:34px;
  font-size:13.5px;color:var(--text-3);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.page-breadcrumb a{color:var(--text-2);}
.page-breadcrumb a:hover{color:var(--brand);}
.page-breadcrumb .sep{color:var(--text-3);opacity:.7;}
.page-breadcrumb .current{color:var(--text-1);font-weight:600;}
.article-cat-strip{
  margin-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);
  font-size:13px;color:var(--text-2);
}
.article-cat-strip i{color:var(--jade);}
/* ---------- article head ---------- */
.article-head{padding-top:26px;}
.article-title{
  font-size:clamp(27px,3.6vw,45px);
  font-weight:800;letter-spacing:-.5px;line-height:1.26;
  margin:0 0 22px;max-width:900px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  color:var(--text-3);font-size:13.5px;
}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--brand);opacity:.85;}
.head-bottom{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;margin-top:24px;}
.share-actions{display:flex;gap:10px;flex-wrap:wrap;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);
  transition:all .22s ease;cursor:pointer;
}
.share-btn:hover{color:var(--text-1);border-color:var(--stroke-strong);background:var(--glass-strong);}
/* ---------- cover ---------- */
.cover-wrap{padding-top:6px;}
.cover-frame{aspect-ratio:21/9;border-radius:var(--radius);}
@media (max-width:767.98px){.cover-frame{aspect-ratio:16/9;}}
/* ---------- article body ---------- */
.reader{max-width:800px;margin:0 auto;}
.article-body{
  font-size:16.5px;line-height:1.9;color:var(--text-2);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;color:var(--text-2);}
.article-body h2{
  font-size:clamp(21px,2.4vw,28px);color:var(--text-1);
  margin:1.9em 0 .8em;padding-left:14px;position:relative;letter-spacing:-.2px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--jade));
}
.article-body h3{font-size:19px;color:var(--text-1);margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;color:var(--text-1);margin:1.4em 0 .5em;}
.article-body strong{color:#DCE7FF;font-weight:700;}
.article-body a{color:#8CB8FF;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:#B3D0FF;}
.article-body ul,.article-body ol{padding-left:0;list-style:none;margin:0 0 1.3em;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:50%;
  background:var(--jade);box-shadow:0 0 10px rgba(82,214,196,.6);
}
.article-body ol{counter-reset:olnum;}
.article-body ol li{position:relative;padding-left:32px;margin-bottom:.55em;counter-increment:olnum;}
.article-body ol li::before{
  content:counter(olnum);
  position:absolute;left:0;top:.35em;
  width:20px;height:20px;border-radius:50%;
  display:grid;place-items:center;
  font-size:12px;font-weight:700;color:#0B1226;
  background:linear-gradient(45deg,var(--amber),#F7D9A6);
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;
  background:var(--glass);border-left:3px solid var(--amber);
  border-radius:0 14px 14px 0;color:var(--text-1);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:1.6em auto;border:1px solid var(--stroke);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:1.6em 0;font-size:14.5px;
  background:var(--glass);border:1px solid var(--stroke);border-radius:14px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid rgba(140,180,255,.12);text-align:left;vertical-align:top;}
.article-body th{background:rgba(76,141,255,.12);color:var(--text-1);font-weight:700;}
.article-body tr:last-child td{border-bottom:none;}
.article-body code{
  background:rgba(76,141,255,.14);color:#BBD4FF;
  padding:2px 7px;border-radius:6px;font-size:.92em;
}
.article-body pre{
  background:var(--bg-2);border:1px solid var(--stroke);border-radius:14px;
  padding:16px 18px;overflow-x:auto;color:#C9DCFF;font-size:14px;line-height:1.7;
}
.article-body hr{border:none;height:1px;background:linear-gradient(90deg,transparent,var(--stroke-strong),transparent);margin:2em 0;}
.article-empty{
  padding:52px 30px;text-align:center;border-radius:var(--radius);
  background:var(--glass);border:1px dashed var(--stroke-strong);
}
.article-empty i{font-size:30px;color:var(--text-3);margin-bottom:14px;display:block;}
.article-empty h2{font-size:20px;margin-bottom:10px;}
.article-empty p{color:var(--text-2);margin-bottom:20px;}
/* ---------- key points ---------- */
.kp-card{max-width:860px;margin:0 auto;padding:clamp(24px,3vw,34px);}
.kp-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.kp-head .kp-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(240,180,95,.14);border:1px solid rgba(240,180,95,.34);color:var(--amber);
}
.kp-head h2{font-size:20px;margin:0;}
.kp-list{list-style:none;margin:0;padding:0;display:grid;gap:12px;}
.kp-list li{display:flex;gap:14px;align-items:flex-start;font-size:15px;color:var(--text-2);}
.kp-list .num{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:12.5px;font-weight:800;color:#06111F;
  background:linear-gradient(45deg,var(--jade),#9BF0E5);margin-top:2px;
}
.kp-list strong{color:var(--text-1);}
/* ---------- related ---------- */
.rel-card{display:flex;flex-direction:column;height:100%;overflow:hidden;}
.rel-thumb{aspect-ratio:16/9;border-radius:0;border:none;box-shadow:none;}
.rel-thumb::after{background:linear-gradient(180deg,rgba(7,12,24,0) 55%,rgba(16,26,50,.55) 100%);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1;gap:10px;}
.rel-body h3{font-size:17px;line-height:1.5;margin:0;}
.rel-body h3 a{color:var(--text-1);}
.rel-card:hover .rel-body h3 a{color:var(--brand);}
.rel-desc{font-size:14px;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);}
.rel-foot .go{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.rel-foot .go i{transition:transform .2s ease;}
.rel-card:hover .rel-foot .go i{transform:translateX(3px);}
/* ---------- prev / next ---------- */
.pager-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.pager-item{
  display:flex;align-items:center;gap:14px;
  padding:18px 20px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--stroke);
  color:var(--text-1);transition:all .22s ease;
}
.pager-item:hover{border-color:rgba(76,141,255,.42);background:var(--glass-strong);transform:translateY(-3px);color:var(--text-1);}
.pager-item .pi-ico{
  width:38px;height:38px;flex:0 0 auto;border-radius:10px;display:grid;place-items:center;
  background:rgba(76,141,255,.14);border:1px solid rgba(76,141,255,.3);color:var(--brand);
}
.pager-item .pi-label{display:block;font-size:12px;color:var(--text-3);letter-spacing:.5px;}
.pager-item .pi-text{display:block;font-size:15px;font-weight:700;}
.pager-item.next{text-align:right;justify-content:flex-end;}
.back-row{margin-top:18px;text-align:center;}
.back-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--text-2);font-weight:600;
}
.back-link:hover{color:var(--brand);}
/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);
  padding:clamp(30px,4.4vw,54px);
  background:
    radial-gradient(560px 300px at 88% 6%, rgba(240,180,95,.13), transparent 62%),
    linear-gradient(135deg, rgba(76,141,255,.16), rgba(16,26,50,.9));
  border:1px solid var(--stroke-strong);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--shadow-1);
  display:grid;grid-template-columns:1.5fr .8fr;gap:30px;align-items:center;
}
.cta-panel h2{font-size:clamp(22px,2.7vw,32px);margin-bottom:12px;}
.cta-panel p{color:var(--text-2);max-width:520px;margin-bottom:22px;}
.cta-btns{display:flex;flex-wrap:wrap;gap:14px;}
.qr-box{
  justify-self:end;text-align:center;
  padding:16px;border-radius:var(--radius);
  background:rgba(255,255,255,.05);border:1px dashed var(--stroke-strong);
}
.qr-slot{
  width:118px;height:118px;border-radius:12px;
  display:grid;place-items:center;text-align:center;
  font-size:11.5px;line-height:1.5;color:var(--text-3);
  background:rgba(7,12,24,.55);border:1px solid var(--stroke);
}
.qr-box span{display:block;margin-top:10px;font-size:12px;color:var(--text-3);}
/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(7,12,24,.6),#050A14);
  border-top:1px solid var(--stroke);
  padding:clamp(48px,6vw,76px) 0 26px;
  font-size:14px;
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-desc{color:var(--text-3);font-size:13.5px;line-height:1.85;max-width:340px;margin-bottom:18px;}
.social-row{display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);font-size:14px;
  transition:all .22s ease;
}
.social-row a:hover{color:var(--brand);border-color:rgba(76,141,255,.45);transform:translateY(-2px);}
.foot-title{font-size:14px;font-weight:800;color:var(--text-1);margin-bottom:16px;letter-spacing:.4px;}
.foot-links,.foot-info{list-style:none;margin:0;padding:0;display:grid;gap:11px;}
.foot-links a{color:var(--text-2);font-size:13.5px;}
.foot-links a:hover{color:var(--brand);}
.foot-info li{color:var(--text-3);font-size:13px;display:flex;gap:9px;align-items:flex-start;line-height:1.7;}
.foot-info i{color:var(--brand);margin-top:5px;flex:0 0 auto;}
.qr-slot.small{width:100px;height:100px;margin-top:14px;font-size:11px;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(140,180,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
}
/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .cta-panel{grid-template-columns:1fr;gap:24px;}
  .qr-box{justify-self:start;}
}
@media (max-width:991.98px){
  .nav-inner{flex-wrap:wrap;}
  .navbar-collapse{flex-basis:100%;margin-top:12px;padding:16px;border-radius:var(--radius);
    background:rgba(9,15,30,.96);border:1px solid var(--stroke);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);}
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;margin-left:0;}
  .nav-links a{padding:10px 12px;font-size:15px;}
  .nav-links a::after{left:12px;right:12px;bottom:6px;}
  .nav-actions{flex-direction:column;align-items:stretch;margin:14px 0 0;gap:10px;}
  .nav-actions .btn-ghost,.nav-actions .btn-glow{width:100%;}
  .nav-toggle{display:grid;}
  .pager-row{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  :root{--sec-pad:56px;}
  .article-title{font-size:clamp(24px,6vw,32px);}
  .reader,.article-body{font-size:15.8px;}
  .article-body{line-height:1.9;}
  .head-bottom{flex-direction:column;align-items:flex-start;}
  .pager-item.next{text-align:left;justify-content:flex-start;}
  .cta-btns .btn-glow,.cta-btns .btn-ghost{width:100%;}
  .page-breadcrumb{font-size:12.5px;padding-top:24px;}
  .article-cat-strip{border-radius:16px;}
  .foot-desc{max-width:none;}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px;}
  .article-body p{font-size:15.5px;}
  .kp-list li{font-size:14.5px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#070C18;
  --bg-1:#0B1226;
  --bg-2:#101A32;
  --brand:#4C8DFF;
  --brand-deep:#2F6BD8;
  --amber:#F0B45F;
  --jade:#52D6C4;
  --text-1:#EAF0FF;
  --text-2:#A9B6D4;
  --text-3:#6F7E9E;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --stroke:rgba(140,180,255,.16);
  --stroke-strong:rgba(140,180,255,.34);
  --radius-s:10px;
  --radius:18px;
  --radius-l:24px;
  --shadow-1:0 14px 36px rgba(3,8,20,.42);
  --shadow-glow:0 10px 30px rgba(76,141,255,.35);
  --sec-pad:clamp(64px,8vw,116px);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(900px 520px at 8% -6%, rgba(76,141,255,.10), transparent 62%),
    radial-gradient(760px 460px at 96% 8%, rgba(240,180,95,.07), transparent 60%),
    linear-gradient(rgba(140,180,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(140,180,255,.035) 1px, transparent 1px);
  background-size:auto,auto,64px 64px,64px 64px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:#7EAEFF;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
ul{list-style:none;}
.container{max-width:1240px;padding-left:20px;padding-right:20px;}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .28s ease,backdrop-filter .28s ease,border-color .28s ease;
}
.site-header.is-scrolled{
  background:rgba(9,15,30,.78);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--stroke);
}
.nav-shell{padding:12px 0;position:relative;}
.nav-inner{display:flex;align-items:center;gap:18px;}
.navbar{padding:0;background:transparent;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-1);flex:0 0 auto;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(45deg,#3E7BF0,#5FA0FF);
  box-shadow:0 0 0 1px rgba(76,141,255,.55),0 8px 22px rgba(76,141,255,.38);
  color:#fff;font-size:18px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-main{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:1.2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:var(--radius-s);
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--brand),var(--jade));
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--text-1);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text-1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);
  color:var(--text-1);font-size:14px;font-weight:600;
  transition:all .22s ease;
}
.btn-ghost:hover{background:var(--glass-strong);border-color:var(--stroke-strong);color:var(--text-1);transform:translateY(-1px);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:999px;border:none;
  background:linear-gradient(45deg,#3E7BF0,#5C9BFF);
  color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 0 0 1px rgba(76,141,255,.5),0 10px 30px rgba(76,141,255,.35);
  transition:all .24s ease;
}
.btn-glow:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(76,141,255,.7),0 16px 40px rgba(76,141,255,.5);}
.btn-glow:active{transform:translateY(1px);}
.btn-lg-glow{padding:14px 30px;font-size:15px;}
.btn-ghost:focus-visible,.btn-glow:focus-visible,.nav-links a:focus-visible{
  outline:2px solid var(--jade);outline-offset:3px;
}
.nav-toggle{
  margin-left:auto;border:1px solid var(--stroke);background:var(--glass);
  width:44px;height:40px;border-radius:10px;display:grid;place-items:center;color:var(--text-1);
}
.nav-toggle:focus{box-shadow:none;}
.nav-toggle .bar{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;margin:2px 0;}
/* ---------- shared ---------- */
main{display:block;}
section{position:relative;padding:var(--sec-pad) 0;}
.band-a{background:linear-gradient(180deg,rgba(7,12,24,0),rgba(11,18,38,.9));}
.band-b{background:rgba(11,18,38,.55);border-top:1px solid rgba(140,180,255,.07);border-bottom:1px solid rgba(140,180,255,.07);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:999px;
  background:rgba(76,141,255,.12);border:1px solid rgba(76,141,255,.3);
  color:#9CC2FF;font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:18px;
}
.glass-card{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-1);
  transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
}
.glass-card:hover{
  transform:translateY(-4px);
  border-color:rgba(76,141,255,.4);
  background:rgba(255,255,255,.075);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(82,214,196,.12);border:1px solid rgba(82,214,196,.3);color:#8DE8DB;
}
.chip-amber{background:rgba(240,180,95,.12);border-color:rgba(240,180,95,.32);color:#F5CE93;}
.chip-blue{background:rgba(76,141,255,.13);border-color:rgba(76,141,255,.32);color:#A6C7FF;}
.img-frame{
  position:relative;border-radius:16px;overflow:hidden;
  border:1px solid var(--stroke);
  box-shadow:0 18px 44px rgba(3,8,20,.5);
  background:var(--bg-2);
}
.img-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.img-frame::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,12,24,0) 42%,rgba(7,12,24,.86) 100%);
}
.sec-head{max-width:740px;margin-bottom:38px;}
.sec-head h2{
  font-size:clamp(24px,2.8vw,36px);font-weight:800;line-height:1.35;margin:0 0 12px;letter-spacing:-.4px;
}
.sec-head p{color:var(--text-2);margin:0;font-size:15.5px;max-width:46ch;}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap;}
/* ---------- category hero ---------- */
.cat-hero{
  padding:clamp(48px,6vw,84px) 0 clamp(48px,6vw,88px);
  overflow:hidden;
  background:
    radial-gradient(720px 300px at 82% 0%, rgba(76,141,255,.20), transparent 70%),
    radial-gradient(620px 280px at 6% 100%, rgba(240,180,95,.12), transparent 72%);
  border-bottom:1px solid rgba(140,180,255,.10);
}
.cat-hero::before{
  content:"";position:absolute;left:0;right:0;top:12%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(76,141,255,.55),rgba(82,214,196,.45),transparent);
  opacity:.7;
}
.cat-hero::after{
  content:"";position:absolute;inset:auto 0 0 0;height:180px;
  background:linear-gradient(180deg,transparent,rgba(7,12,24,.65));
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--brand);}
.crumb .cur{color:var(--jade);}
.cat-hero h1{
  font-size:clamp(28px,4vw,52px);
  line-height:1.28;font-weight:800;letter-spacing:-.6px;margin:0 0 18px;max-width:22ch;
}
.cat-hero h1 .hl{
  background:linear-gradient(90deg,#7FAEFF,#52D6C4);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-lead{color:var(--text-2);font-size:16px;max-width:52ch;margin:0 0 24px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag-row .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);color:var(--text-2);
}
.cat-stat{padding:26px 24px;border-radius:var(--radius-l);}
.cat-stat .stat-line{
  display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed rgba(140,180,255,.18);
}
.cat-stat .stat-line:last-child{border-bottom:none;padding-bottom:0;}
.cat-stat .stat-line:first-child{padding-top:0;}
.cat-stat .num{font-size:26px;font-weight:800;color:var(--amber);letter-spacing:-.5px;}
.cat-stat .lab{font-size:13px;color:var(--text-2);}
.cat-stat .stat-note{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.7;}
/* ---------- channel pills ---------- */
.channel-bar{padding:26px 0;background:rgba(11,18,38,.6);border-bottom:1px solid rgba(140,180,255,.08);}
.channel-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.channel-row .ch-label{font-size:13px;color:var(--text-3);margin-right:4px;}
.channel-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);color:var(--text-2);
  transition:all .22s ease;
}
.channel-pill:hover{color:var(--text-1);border-color:var(--stroke-strong);background:var(--glass-strong);transform:translateY(-1px);}
.channel-pill.is-active{
  color:#fff;border-color:rgba(76,141,255,.65);
  background:linear-gradient(45deg,rgba(62,123,240,.9),rgba(92,155,255,.9));
  box-shadow:0 0 0 1px rgba(76,141,255,.5),0 8px 22px rgba(76,141,255,.3);
}
/* ---------- post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);}
.post-thumb{
  position:relative;aspect-ratio:16/9;display:grid;place-items:center;
  background:
    radial-gradient(340px 160px at 24% 20%, rgba(76,141,255,.34), transparent 70%),
    radial-gradient(280px 160px at 82% 84%, rgba(82,214,196,.22), transparent 72%),
    linear-gradient(150deg,#0F1A32,#0A1122);
  border-bottom:1px solid rgba(140,180,255,.10);
  overflow:hidden;
}
.post-thumb i{font-size:34px;color:rgba(160,196,255,.55);transition:transform .35s ease;}
.post-card:hover .post-thumb i{transform:scale(1.12) translateY(-2px);}
.post-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,12,24,0) 50%,rgba(7,12,24,.72));
}
.post-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.post-body h3{font-size:17.5px;line-height:1.55;font-weight:700;margin:0;}
.post-body h3 a{color:var(--text-1);}
.post-body h3 a:hover{color:var(--brand);}
.post-body p{margin:0;font-size:14px;color:var(--text-2);line-height:1.78;
  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:12px;border-top:1px solid rgba(140,180,255,.12);font-size:12.5px;color:var(--text-3);
}
.post-foot .read-more{display:inline-flex;align-items:center;gap:6px;color:#8FB8FF;font-weight:600;}
.post-foot .read-more i{transition:transform .22s ease;}
.post-foot .read-more:hover i{transform:translateX(3px);}
.list-more{display:flex;justify-content:center;margin-top:38px;}
.empty-state{
  padding:56px 24px;text-align:center;border-radius:var(--radius-l);
  background:var(--glass);border:1px dashed var(--stroke-strong);color:var(--text-2);
}
.empty-state i{font-size:30px;color:var(--text-3);display:block;margin-bottom:14px;}
.empty-state p{margin:0;font-size:14.5px;}
/* ---------- featured ---------- */
.featured-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.featured-main{overflow:hidden;display:flex;flex-direction:column;}
.featured-main .img-frame{border-radius:var(--radius) var(--radius) 0 0;border:none;aspect-ratio:16/8;}
.featured-main .fm-body{padding:24px;display:flex;flex-direction:column;gap:12px;}
.featured-main h3{font-size:21px;font-weight:800;margin:0;line-height:1.5;}
.featured-main h3 a{color:var(--text-1);}
.featured-main h3 a:hover{color:var(--brand);}
.featured-main p{margin:0;font-size:14.5px;color:var(--text-2);}
.featured-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.featured-mini{overflow:hidden;display:flex;flex-direction:column;}
.featured-mini .img-frame{border-radius:var(--radius) var(--radius) 0 0;border:none;aspect-ratio:16/7;}
.featured-mini .fm-body{padding:16px 18px;display:flex;flex-direction:column;gap:8px;}
.featured-mini h3{font-size:16px;font-weight:700;margin:0;line-height:1.55;}
.featured-mini h3 a{color:var(--text-1);}
.featured-mini h3 a:hover{color:var(--brand);}
.featured-mini .meta{font-size:12.5px;color:var(--text-3);}
/* ---------- checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.check-item{
  display:flex;gap:16px;padding:22px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--stroke);
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.check-item:hover{border-color:rgba(82,214,196,.4);background:rgba(255,255,255,.075);transform:translateY(-3px);}
.check-num{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;font-size:14px;color:#08131F;
  background:linear-gradient(45deg,#52D6C4,#8DE8DB);
  box-shadow:0 8px 20px rgba(82,214,196,.28);
}
.check-item h3{font-size:16.5px;margin:0 0 6px;font-weight:700;}
.check-item p{margin:0;font-size:14px;color:var(--text-2);line-height:1.78;}
/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.voice-card{padding:24px;border-radius:var(--radius);display:flex;flex-direction:column;gap:14px;}
.stars{display:flex;gap:4px;color:var(--amber);font-size:13px;}
.voice-card p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.85;}
.voice-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:8px;}
.avatar-dot{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(45deg,rgba(76,141,255,.85),rgba(82,214,196,.7));
  color:#04101E;font-weight:800;font-size:13px;
}
.voice-user .nm{font-size:14px;font-weight:700;}
.voice-user .ct{font-size:12px;color:var(--text-3);}
/* ---------- faq ---------- */
.faq-accordion .accordion-item{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  margin-bottom:14px;
  overflow:hidden;
  position:relative;
  transition:border-color .22s ease,background .22s ease;
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--jade),rgba(82,214,196,.2));
  opacity:0;transition:opacity .24s ease;
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed))::before{opacity:1;}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){
  border-color:rgba(82,214,196,.38);background:rgba(255,255,255,.075);
}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text-1);font-weight:700;font-size:16px;
  padding:20px 22px;border-radius:0;box-shadow:none;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){color:#CFE3FF;}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:none;}
.faq-accordion .accordion-button:focus-visible{outline:2px solid var(--jade);outline-offset:-2px;}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;
  width:26px;height:26px;display:grid;place-items:center;
  font-size:20px;font-weight:400;color:var(--jade);
  transition:transform .24s ease;margin-left:16px;flex:0 0 auto;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-accordion .accordion-body{padding:0 22px 22px;color:var(--text-2);font-size:14.5px;line-height:1.9;}
/* ---------- cta ---------- */
.cta-panel{
  padding:clamp(32px,4vw,56px);
  border-radius:var(--radius-l);
  background:
    radial-gradient(560px 240px at 88% 0%, rgba(76,141,255,.24), transparent 72%),
    radial-gradient(420px 220px at 4% 100%, rgba(240,180,95,.16), transparent 74%),
    rgba(255,255,255,.055);
  border:1px solid rgba(140,180,255,.26);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);font-weight:800;margin:0 0 12px;line-height:1.4;max-width:20ch;}
.cta-panel p{margin:0;color:var(--text-2);font-size:15px;max-width:44ch;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.qr-box{
  width:112px;height:112px;border-radius:14px;display:grid;place-items:center;text-align:center;
  font-size:12px;color:var(--text-3);line-height:1.6;
  background:rgba(255,255,255,.04);border:1px dashed var(--stroke-strong);
}
/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#0A1122,#04070F);
  border-top:1px solid var(--stroke);
  padding:64px 0 28px;
}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-desc{color:var(--text-2);font-size:14px;line-height:1.9;max-width:38ch;margin:0;}
.social-row{display:flex;gap:10px;margin-top:18px;}
.social-row a{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:var(--glass);border:1px solid var(--stroke);color:var(--text-2);
  transition:all .22s ease;
}
.social-row a:hover{color:var(--text-1);border-color:var(--stroke-strong);background:var(--glass-strong);transform:translateY(-2px);}
.foot-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text-1);}
.foot-links,.foot-info{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2);}
.foot-links a{color:var(--text-2);}
.foot-links a:hover{color:var(--brand);}
.foot-info li{display:flex;gap:9px;line-height:1.75;}
.foot-info i{color:var(--jade);margin-top:6px;flex:0 0 auto;}
.qr-slot{
  display:grid;place-items:center;text-align:center;
  border-radius:12px;border:1px dashed var(--stroke-strong);
  background:var(--glass);color:var(--text-3);margin-top:16px;line-height:1.6;
}
.foot-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--stroke);
  font-size:13px;color:var(--text-3);
}
/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .featured-grid{grid-template-columns:1fr;}
  .featured-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr;}
}
@media (max-width:991.98px){
  .nav-shell{position:relative;}
  #mainNav{
    position:absolute;top:100%;left:12px;right:12px;z-index:1040;
    background:rgba(9,15,30,.97);
    border:1px solid var(--stroke);
    border-radius:18px;padding:16px;
    box-shadow:var(--shadow-1);
    -webkit-backdrop-filter:blur(16px) saturate(140%);
    backdrop-filter:blur(16px) saturate(140%);
    margin-top:10px;
  }
  .nav-links{flex-direction:column;align-items:stretch;gap:2px;margin-left:0;}
  .nav-links a{padding:12px 10px;font-size:15px;}
  .nav-links a::after{left:10px;right:auto;width:24px;bottom:6px;}
  .nav-actions{flex-direction:column;align-items:stretch;margin:14px 0 0;gap:10px;}
  .nav-actions a{width:100%;padding:12px 18px;}
  .cat-hero h1{max-width:100%;}
  .check-grid{grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .cta-panel{flex-direction:column;align-items:flex-start;gap:26px;}
}
@media (max-width:767.98px){
  :root{--sec-pad:56px;}
  .container{padding-left:18px;padding-right:18px;}
  .post-grid{grid-template-columns:1fr;gap:18px;}
  .featured-side{grid-template-columns:1fr;grid-template-rows:auto auto;}
  .cat-hero{padding-top:36px;}
  .cat-hero h1{font-size:26px;line-height:1.4;}
  .cat-lead{font-size:15px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions a{width:100%;}
  .foot-bottom{flex-direction:column;gap:6px;}
  .section-title-row{margin-bottom:26px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
  .glass-card:hover,.post-card:hover{transform:none;}
}