/* roulang page: index */
:root{
  --bg:#0A0C10;
  --surface-1:#12161D;
  --surface-2:#1A1F28;
  --line:#262C38;
  --line-soft:rgba(255,255,255,.07);
  --text:#ECF0F6;
  --text-2:#9AA4B2;
  --text-3:#6B7480;
  --primary:#00E0B8;
  --primary-deep:#00A88A;
  --primary-ink:#04211A;
  --secondary:#FF6A3D;
  --violet:#8B5CF6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 10px 30px rgba(0,224,184,.18);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
body::before{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 620px at 6% -8%, rgba(0,224,184,.10), transparent 62%),
    radial-gradient(780px 540px at 98% 2%, rgba(255,106,61,.08), transparent 60%);
}
body::after{
  content:"";
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.032;
  background-image:
    linear-gradient(rgba(255,255,255,.7) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.7) 1px, transparent 1px);
  background-size:46px 46px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.22;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

/* ---------- shell ---------- */
.shell{position:relative;z-index:1;--sidebar-w:248px;}

/* ---------- sidebar ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  display:flex;flex-direction:column;
  padding:22px 16px 20px;
  background:linear-gradient(180deg,#11151C 0%,#0B0E13 100%);
  border-right:1px solid var(--line-soft);
  z-index:60;
}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 20px;}
.brand-mark{
  width:38px;height:38px;flex:none;border-radius:11px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:var(--primary-ink);
  display:grid;place-items:center;
  font-size:17px;font-weight:800;
  box-shadow:0 6px 18px rgba(0,224,184,.26);
}
.brand-text{font-size:15.5px;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--text);}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--text-3);letter-spacing:.06em;margin-top:2px;}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto;}
.side-label{font-size:11px;letter-spacing:.14em;color:var(--text-3);padding:4px 12px 8px;}
.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border-radius:var(--r-md);
  border-left:3px solid transparent;
  color:var(--text-2);
  font-size:15px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;opacity:.9;}
.nav-item:hover{background:rgba(255,255,255,.045);color:var(--text);}
.nav-item:active{transform:translateY(1px);}
.nav-item.active{color:var(--primary);background:rgba(0,224,184,.10);border-left-color:var(--primary);}
.nav-item.active i{opacity:1;}
.side-foot{margin-top:14px;padding-top:16px;border-top:1px solid var(--line-soft);}
.btn-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:48px;padding:0 20px;
  border:none;border-radius:var(--r-md);
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:var(--primary-ink);
  font-size:15px;font-weight:700;
  cursor:pointer;
  transition:box-shadow .25s ease,transform .2s ease;
}
.btn-cta:hover{box-shadow:var(--shadow-glow);color:var(--primary-ink);}
.btn-cta:active{transform:translateY(1px);}
.side-meta{margin-top:12px;font-size:12px;line-height:1.7;color:var(--text-3);text-align:center;}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--line-soft);background:var(--surface-1);color:var(--text);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}

/* ---------- main ---------- */
.main{margin-left:var(--sidebar-w);position:relative;z-index:1;}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-tight{padding:72px 0;}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);}
.section-head .sub{margin-top:8px;font-size:14px;color:var(--text-2);line-height:1.7;max-width:640px;}
.link-more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;flex:none;padding-bottom:4px;}
.link-more:hover{color:var(--primary);}
.section-head .head-right{display:flex;flex-direction:column;align-items:flex-end;gap:8px;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  height:clamp(520px,72vh,760px);
  min-height:520px;
  display:flex;align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line-soft);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  transform:scale(1.03);
}
.hero-bg::after{
  content:"";
  position:absolute;inset:0;
  background:
    linear-gradient(90deg, rgba(6,8,11,.95) 0%, rgba(6,8,11,.74) 46%, rgba(6,8,11,.52) 100%),
    linear-gradient(180deg, rgba(10,12,16,.55) 0%, rgba(10,12,16,.28) 46%, #0A0C10 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-copy{max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;margin-bottom:22px;
  border:1px solid rgba(0,224,184,.35);
  border-radius:var(--r-pill);
  font-size:12.5px;letter-spacing:.04em;color:var(--primary);
  background:rgba(0,224,184,.07);
}
.hero h1{
  font-size:clamp(32px,4.4vw,56px);
  line-height:1.12;
  letter-spacing:-.01em;
  margin-bottom:18px;
  max-width:15ch;
}
.hero-sub{font-size:16.5px;line-height:1.85;color:var(--text-2);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.btn-solid,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  cursor:pointer;border:1px solid transparent;
  transition:box-shadow .25s ease,background .25s ease,border-color .25s ease,transform .2s ease,color .25s ease;
}
.btn-solid{background:linear-gradient(135deg,var(--primary),var(--primary-deep));color:var(--primary-ink);}
.btn-solid:hover{box-shadow:var(--shadow-glow);color:var(--primary-ink);}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.22);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);}
.btn-solid:active,.btn-ghost:active{transform:translateY(1px);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.03);
  font-size:12px;color:var(--text-2);
}
.hero-poster{position:relative;max-width:330px;margin-left:auto;padding:16px;}
.hero-poster::before{
  content:"";position:absolute;inset:0;border-radius:50%;
  background:radial-gradient(circle at 52% 46%, rgba(0,224,184,.30), rgba(0,224,184,0) 70%);
  filter:blur(8px);
}
.hero-poster img{
  position:relative;width:100%;border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.12);
  box-shadow:0 26px 64px rgba(0,0,0,.6);
  transform:rotate(2.5deg);
}

/* ---------- rail ---------- */
.rail-outer{position:relative;}
.rail{
  display:flex;gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 24px 22px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 240px;width:240px;
  scroll-snap-align:start;
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.rail-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);}
.rail-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.rail-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rail-card:hover .rail-cover img{transform:scale(1.03);}
.rail-body{padding:14px 16px 18px;}
.rail-body h3{font-size:16px;line-height:1.5;margin-bottom:8px;}
.rail-body p{font-size:13px;color:var(--text-3);line-height:1.7;}
.rail-arrow{
  position:absolute;top:38%;transform:translateY(-50%);
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-soft);
  background:rgba(18,22,29,.85);
  color:var(--text);font-size:14px;cursor:pointer;
  z-index:5;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.rail-arrow:hover{background:var(--primary);color:var(--primary-ink);border-color:var(--primary);}
.rail-arrow.left{left:8px;}
.rail-arrow.right{right:8px;}
.rail-fade{position:absolute;top:0;bottom:22px;width:48px;pointer-events:none;z-index:4;}
.rail-fade.left{left:0;background:linear-gradient(90deg,var(--bg),rgba(10,12,16,0));}
.rail-fade.right{right:0;background:linear-gradient(270deg,var(--bg),rgba(10,12,16,0));}

/* ---------- badges / chips ---------- */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.6;
  border:1px solid rgba(0,224,184,.35);
  color:var(--primary);background:rgba(0,224,184,.08);
}
.chip-hot{border-color:rgba(255,106,61,.45);color:var(--secondary);background:rgba(255,106,61,.10);}
.chip-plain{border-color:var(--line-soft);color:var(--text-2);background:rgba(255,255,255,.03);}
.cover-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:11.5px;
  background:rgba(255,106,61,.92);color:#1A0B05;font-weight:700;
}
.cover-badge.mint{background:rgba(0,224,184,.92);color:var(--primary-ink);}

/* ---------- hot grid ---------- */
.feature-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-soft);
  background:var(--surface-1);
  height:100%;
  display:block;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);}
.feature-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,12,16,0) 40%,rgba(10,12,16,.86) 100%);}
.feature-body{padding:20px;}
.feature-body h3{font-size:20px;line-height:1.45;margin:12px 0 10px;}
.feature-body p{font-size:14px;color:var(--text-2);line-height:1.75;}
.progress-track{height:4px;border-radius:var(--r-pill);background:rgba(255,255,255,.10);overflow:hidden;margin-top:16px;}
.progress-track span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--primary-deep));}
.feature-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;font-size:13px;color:var(--text-3);}
.mini-card{
  display:flex;gap:14px;align-items:center;
  padding:12px;border-radius:var(--r-md);
  border:1px solid var(--line-soft);
  background:var(--surface-1);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  height:100%;
}
.mini-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);}
.mini-thumb{flex:0 0 104px;width:104px;aspect-ratio:16/10;border-radius:var(--r-sm);overflow:hidden;background:var(--surface-2);}
.mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-body h3{font-size:15px;line-height:1.5;margin-bottom:6px;}
.mini-body span{font-size:12px;color:var(--text-3);}

/* ---------- tabs ---------- */
.tab-block{margin-top:8px;}
.tab-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.tab-btn{
  padding:9px 20px;border-radius:var(--r-pill);
  border:1px solid var(--line-soft);
  background:rgba(255,255,255,.02);
  color:var(--text-2);font-size:14px;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tab-btn:hover{color:var(--text);border-color:rgba(0,224,184,.35);}
.tab-btn.active{
  background:rgba(139,92,246,.16);
  border-color:rgba(139,92,246,.6);
  color:#C9B4FF;
}
.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadeUp .35s ease;}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}

/* ---------- generic content card ---------- */
.content-card{
  display:block;height:100%;
  border-radius:var(--r-lg);
  border:1px solid var(--line-soft);
  background:var(--surface-1);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.content-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);}
.content-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.content-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.content-card:hover .content-cover img{transform:scale(1.03);}
.content-body{padding:18px;}
.content-body h3{font-size:16.5px;line-height:1.55;margin:12px 0 8px;}
.content-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;}
.content-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;font-size:12.5px;color:var(--text-3);}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- cms list ---------- */
.cms-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--r-lg);border:1px solid var(--line-soft);
  background:var(--surface-1);overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cms-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);}
.cms-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.cms-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.cms-card:hover .cms-cover img{transform:scale(1.03);}
.cms-body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.cms-body h3{font-size:17px;line-height:1.55;margin:12px 0 8px;}
.cms-body p{font-size:13.5px;color:var(--text-2);line-height:1.75;}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:16px;font-size:12.5px;color:var(--text-3);}
.cms-meta .go{color:var(--primary);}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
  padding:56px 24px;text-align:center;
}
.empty-state .ico{font-size:32px;color:var(--text-3);margin-bottom:14px;}
.empty-state p{color:var(--text-2);font-size:14.5px;margin-bottom:20px;}
.btn-soft{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.2);
  background:rgba(255,255,255,.03);
  color:var(--text);font-size:14px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease;
}
.btn-soft:hover{border-color:var(--primary);color:var(--primary);}
.btn-soft:active{transform:translateY(1px);}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  background:var(--surface-1);
  overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item.open{border-color:rgba(0,224,184,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:none;
  color:var(--text);font-size:16px;font-weight:600;text-align:left;cursor:pointer;
}
.faq-q .sign{
  flex:none;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line-soft);color:var(--text-2);font-size:13px;
  transition:transform .3s ease,background .3s ease,color .3s ease,border-color .3s ease;
}
.faq-item.open .faq-q .sign{transform:rotate(45deg);background:var(--primary);color:var(--primary-ink);border-color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- cta banner ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid rgba(0,224,184,.28);
  background:
    linear-gradient(120deg, rgba(0,224,184,.14), rgba(255,106,61,.10) 70%, rgba(0,0,0,0)),
    var(--surface-1);
  padding:52px 44px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
}
.cta-banner::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle, rgba(0,224,184,.22), transparent 68%);
}
.cta-banner h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:10px;position:relative;z-index:1;}
.cta-banner p{font-size:14.5px;color:var(--text-2);max-width:560px;position:relative;z-index:1;}
.cta-banner .btn-solid{position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line-soft);background:rgba(12,15,20,.72);margin-top:20px;}
.footer-top{padding:60px 0 40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:15px;border-radius:9px;}
.footer-desc{font-size:13.5px;color:var(--text-3);line-height:1.85;max-width:320px;}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:13.5px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tech{color:var(--text-3);}

/* ---------- back to top ---------- */
.back-top{
  position:fixed;right:22px;bottom:26px;z-index:70;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line-soft);
  background:rgba(18,22,29,.9);
  color:var(--text-2);font-size:15px;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,color .25s ease,border-color .25s ease,visibility .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.back-top:hover{color:var(--primary);border-color:var(--primary);}

/* ---------- responsive ---------- */
@media (max-width:1399.98px){
  .wrap{padding:0 22px;}
}
@media (max-width:1199.98px) and (min-width:992px){
  .shell{--sidebar-w:88px;}
  .sidebar{padding:20px 12px;align-items:center;}
  .brand{justify-content:center;padding:4px 0 18px;}
  .brand-text{display:none;}
  .side-label{display:none;}
  .side-nav{width:100%;align-items:center;}
  .nav-item{justify-content:center;padding:12px 0;width:56px;border-left:none;}
  .nav-item span{display:none;}
  .nav-item i{width:auto;font-size:17px;}
  .nav-item.active{background:rgba(0,224,184,.12);}
  .side-foot{display:none;}
}
@media (max-width:991.98px){
  .shell{--sidebar-w:0px;}
  .sidebar{
    top:0;left:0;right:0;bottom:auto;
    width:auto;height:60px;
    flex-direction:row;align-items:center;justify-content:space-between;
    padding:0 16px;
    border-right:none;border-bottom:1px solid var(--line-soft);
  }
  .brand{padding:0;}
  .brand-mark{width:32px;height:32px;font-size:15px;border-radius:9px;}
  .brand-text{font-size:14px;}
  .brand-text small{display:none;}
  .menu-toggle{display:inline-flex;}
  .side-nav,.side-foot{display:none;}
  .sidebar.open .side-nav{
    display:flex;position:fixed;
    top:60px;left:0;right:0;bottom:0;
    padding:18px 16px 130px;
    background:#0B0E13;overflow-y:auto;
  }
  .sidebar.open .side-label{display:block;}
  .sidebar.open .nav-item{justify-content:flex-start;padding:13px 14px;width:auto;border-left:3px solid transparent;}
  .sidebar.open .nav-item span{display:inline;}
  .sidebar.open .nav-item i{width:18px;font-size:16px;}
  .sidebar.open .nav-item.active{border-left-color:var(--primary);}
  .sidebar.open .side-foot{
    display:block;position:fixed;left:0;right:0;bottom:0;
    padding:14px 16px 20px;background:#0B0E13;
    border-top:1px solid var(--line-soft);
  }
  .sidebar.open .side-meta{display:block;}
  .main{margin-left:0;padding-top:60px;}
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .hero{height:auto;min-height:0;padding:64px 0 56px;}
  .hero h1{max-width:100%;}
  .hero-poster{max-width:260px;margin:36px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head .head-right{align-items:flex-start;}
  .rail{padding:4px 16px 18px;gap:14px;}
  .rail-card{flex:0 0 78vw;width:78vw;}
  .rail-arrow{display:none;}
  .rail-fade{display:none;}
  .cta-banner{padding:36px 22px;}
  .wrap{padding:0 16px;}
  .footer-top{padding:44px 0 26px;}
}
@media (max-width:575.98px){
  body{font-size:15.5px;}
  .hero{padding:48px 0 44px;}
  .hero-sub{font-size:15px;}
  .hero-actions{width:100%;}
  .btn-solid,.btn-ghost{flex:1 1 auto;padding:0 18px;}
  .mini-card{flex-direction:column;align-items:flex-start;}
  .mini-thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .content-body,.cms-body,.feature-body{padding:16px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .back-top{right:14px;bottom:16px;}
}

/* roulang page: article */
:root{
  --bg:#0A0C10;
  --surface-1:#12161D;
  --surface-2:#1A1F28;
  --line:#262C38;
  --line-soft:rgba(255,255,255,.07);
  --text:#ECF0F6;
  --text-2:#9AA4B2;
  --text-3:#6B7480;
  --primary:#00E0B8;
  --on-primary:#04211A;
  --secondary:#FF6A3D;
  --accent:#8B5CF6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-primary:0 10px 30px rgba(0,224,184,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 620px at 6% 2%, rgba(0,224,184,.10), transparent 62%),
    radial-gradient(820px 560px at 98% 6%, rgba(255,106,61,.08), transparent 60%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.032;
  background-image:
    linear-gradient(rgba(255,255,255,.75) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.75) 1px, transparent 1px);
  background-size:46px 46px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.22}
p{margin:0}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:var(--primary);text-decoration:none;transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease)}
a:hover{color:#5cf3d8}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;border:0;background:none;color:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.wrap{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}

/* ============ 应用外壳 ============ */
.app-shell{display:flex;min-height:100vh;position:relative;z-index:1}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:248px;z-index:80;
  background:var(--surface-1);
  border-right:1px solid var(--line);
  padding:22px 16px;
  display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;
}
.sidebar::-webkit-scrollbar{width:6px}
.sidebar::-webkit-scrollbar-thumb{background:var(--line);border-radius:3px}
.brand{display:flex;align-items:center;gap:10px;padding:2px 6px 18px;border-bottom:1px solid var(--line-soft);color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,#00E0B8,#059b81);
  color:var(--on-primary);font-weight:800;font-size:18px;letter-spacing:0;
}
.brand-text{font-size:15px;font-weight:700;line-height:1.25;letter-spacing:-.01em}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-label{font-size:11px;letter-spacing:.16em;color:var(--text-3);padding:0 10px 6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 12px;border-radius:var(--r-md);
  color:var(--text-2);font-size:14.5px;
}
.nav-item i{width:20px;text-align:center;font-size:15px}
.nav-item:hover{background:var(--surface-2);color:var(--text)}
.nav-item.active{color:var(--primary);background:rgba(0,224,184,.10)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;border-radius:2px;background:var(--primary);
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line-soft)}
.btn-login{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:46px;border-radius:var(--r-md);
  background:var(--primary);color:var(--on-primary);
  font-weight:700;font-size:15px;
  transition:box-shadow .22s var(--ease),transform .15s var(--ease),background .22s var(--ease);
}
.btn-login:hover{background:#22f0cb;color:var(--on-primary);box-shadow:var(--shadow-primary);transform:translateY(-2px)}
.btn-login:active{transform:translateY(1px)}
.side-note{font-size:12.5px;line-height:1.7;color:var(--text-3);padding:0 4px}
.side-note span{display:block}

.main-area{flex:1;min-width:0;margin-left:248px;display:flex;flex-direction:column;min-height:100vh}

/* ============ 移动端顶栏 ============ */
.mobile-topbar{
  display:none;position:sticky;top:0;z-index:75;
  align-items:center;gap:12px;height:60px;padding:0 16px;
  background:rgba(10,12,16,.96);
  border-bottom:1px solid var(--line);
}
.drawer-toggle{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);
}
.drawer-toggle:hover{color:var(--primary);border-color:rgba(0,224,184,.4)}
.topbar-brand{display:flex;align-items:center;gap:9px;color:var(--text);font-size:14.5px;font-weight:700}
.topbar-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
.topbar-login{
  margin-left:auto;height:36px;padding:0 14px;border-radius:var(--r-sm);
  background:var(--primary);color:var(--on-primary);font-size:13.5px;font-weight:700;
  display:inline-flex;align-items:center;
}
.topbar-login:hover{color:var(--on-primary);background:#22f0cb}
.drawer-mask{
  display:none;position:fixed;inset:0;z-index:78;background:rgba(4,6,9,.68);
  opacity:0;transition:opacity .25s var(--ease);
}
.drawer-mask.show{display:block;opacity:1}

/* ============ 页面主体 ============ */
.page{padding:34px 0 88px;position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.crumbs a{color:var(--text-2)}
.crumbs a:hover{color:var(--primary)}
.crumbs .sep{color:#39404d}
.crumbs .current{color:var(--text-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid rgba(0,224,184,.35);color:var(--primary);background:rgba(0,224,184,.08);
}
.chip.hot{border-color:rgba(255,106,61,.4);color:var(--secondary);background:rgba(255,106,61,.09)}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start}
.article-main{min-width:0}

.article-head{max-width:820px}
.article-head h1{
  font-size:clamp(27px,3.3vw,42px);
  line-height:1.2;margin:16px 0 20px;font-weight:700;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13.5px;color:var(--text-3);
  padding-bottom:18px;border-bottom:1px solid var(--line-soft);
}
.meta-row .mi{display:inline-flex;align-items:center;gap:7px}
.meta-row i{font-size:12.5px;color:var(--text-3)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#39404d}
.meta-actions{margin-left:auto;display:flex;gap:8px}
.icon-btn{
  width:34px;height:34px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--surface-1);color:var(--text-2);
  display:grid;place-items:center;font-size:13px;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{border-color:rgba(0,224,184,.45);color:var(--primary);transform:translateY(-2px)}
.icon-btn:active{transform:translateY(0)}

/* ============ 正文排版 ============ */
.article-body{
  max-width:760px;margin-top:32px;
  font-size:17px;line-height:1.9;color:#DCE2EA;
  word-break:break-word;
}
.article-body p{margin:0 0 1.25em}
.article-body h2{font-size:26px;margin:2em 0 .7em;color:var(--text)}
.article-body h3{font-size:20px;font-weight:600;margin:1.7em 0 .6em;color:var(--text)}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em;color:var(--text)}
.article-body strong{color:#fff;font-weight:600}
.article-body blockquote{
  margin:1.6em 0;padding:10px 0 10px 20px;
  border-left:3px solid var(--primary);
  background:linear-gradient(90deg,rgba(0,224,184,.06),transparent 70%);
  color:var(--text-2);border-radius:0 var(--r-sm) var(--r-sm) 0;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.25em}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body li{margin:.45em 0}
.article-body li::marker{color:var(--primary)}
.article-body img{border-radius:var(--r-md);margin:1.6em 0 .6em;width:100%;height:auto}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--text-3);margin-bottom:1.4em}
.article-body a{border-bottom:1px solid rgba(0,224,184,.4)}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body pre{
  background:#0C1017;border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 18px;overflow-x:auto;margin:1.5em 0;
}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14.5px;color:#7FF0DA;
}
.article-body p code,.article-body li code{
  background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body table{
  width:100%;display:block;overflow-x:auto;border-collapse:collapse;
  margin:1.6em 0;font-size:14.5px;border:1px solid var(--line);border-radius:var(--r-md);
}
.article-body th,.article-body td{
  padding:10px 14px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;
}
.article-body th{background:var(--surface-2);color:var(--text);font-weight:600}
.article-body td{color:var(--text-2)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}

/* ============ 尾部区块 ============ */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:38px 0 30px;max-width:760px}
.tag{
  font-size:13px;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);background:var(--surface-1);
}
.tag:hover{border-color:rgba(0,224,184,.45);color:var(--primary);transform:translateY(-2px)}

.prevnext{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0 0 44px;max-width:760px}
.pn-card{
  display:block;border:1px solid var(--line);background:var(--surface-1);
  border-radius:var(--r-lg);padding:18px 20px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.pn-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);color:inherit}
.pn-label{font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:7px;margin-bottom:8px}
.pn-title{font-size:15.5px;color:var(--text);font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pn-card.next{text-align:right}
.pn-card.next .pn-label{justify-content:flex-end}

.sec-head{display:flex;align-items:baseline;gap:14px;margin-bottom:20px}
.sec-head h2{font-size:21px;font-weight:700}
.sec-head .more{margin-left:auto;font-size:13.5px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.sec-head .more:hover{color:var(--primary)}

.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;max-width:960px}
.rcard{
  display:block;border:1px solid var(--line);background:var(--surface-1);
  border-radius:var(--r-lg);overflow:hidden;color:inherit;
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.rcard:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow);color:inherit}
.rcard .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s var(--ease)}
.rcard:hover .thumb img{transform:scale(1.03)}
.rcard .badge-tl{
  position:absolute;top:10px;left:10px;font-size:11.5px;font-weight:600;
  padding:3px 10px;border-radius:var(--r-pill);
  background:rgba(255,106,61,.92);color:#2A0C03;
}
.rcard .body{padding:15px 17px 17px}
.rcard h3{font-size:16px;font-weight:600;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .desc{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rcard .foot{margin-top:12px;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:8px}

.back-list{
  display:inline-flex;align-items:center;gap:8px;margin-top:34px;
  height:44px;padding:0 22px;border-radius:var(--r-md);
  border:1px solid var(--line);color:var(--text-2);font-size:14.5px;
}
.back-list:hover{border-color:rgba(0,224,184,.45);color:var(--primary);transform:translateY(-2px)}

/* ============ 右侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:24px}
.side-card{background:var(--surface-1);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px}
.side-card h3{font-size:15.5px;font-weight:700;display:flex;align-items:center;gap:9px;margin-bottom:16px}
.side-card h3 i{color:var(--primary);font-size:14px}
.pick-list{display:flex;flex-direction:column;gap:14px}
.pick-item{display:flex;gap:12px;align-items:center;color:inherit}
.pick-item img{width:64px;height:44px;flex:0 0 64px;object-fit:cover;border-radius:var(--r-sm)}
.pick-item .pi-t{font-size:14px;font-weight:600;color:var(--text);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pick-item .pi-m{font-size:12px;color:var(--text-3);margin-top:4px}
.pick-item:hover .pi-t{color:var(--primary)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px}
.tag-cloud a{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);color:var(--text-2);background:var(--surface-2);
}
.tag-cloud a:hover{border-color:rgba(0,224,184,.45);color:var(--primary)}
.cta-card{
  background:linear-gradient(155deg,rgba(0,224,184,.14),rgba(139,92,246,.08) 60%,transparent);
  border:1px solid rgba(0,224,184,.28);
}
.cta-card p{font-size:13.5px;color:var(--text-2);line-height:1.75;margin-bottom:16px}
.cta-card .btn-login{height:44px;font-size:14.5px}

/* ============ 空态 ============ */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--surface-1);padding:56px 24px;text-align:center;max-width:760px;margin-top:32px;
}
.empty-art{
  width:64px;height:64px;margin:0 auto 18px;border-radius:20px;
  display:grid;place-items:center;font-size:24px;color:var(--primary);
  background:rgba(0,224,184,.10);border:1px solid rgba(0,224,184,.25);
}
.empty-state .empty-title{font-size:18px;font-weight:700;color:var(--text)}
.empty-state .empty-desc{font-size:14px;color:var(--text-2);margin:10px 0 22px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 24px;
  border-radius:var(--r-md);border:1px solid var(--line);color:var(--text-2);font-size:14.5px;
}
.btn-ghost:hover{border-color:rgba(0,224,184,.45);color:var(--primary);transform:translateY(-2px)}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:var(--r-md);
  background:var(--surface-2);border:1px solid var(--line);color:var(--text-2);
  display:grid;place-items:center;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s var(--ease),transform .25s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--primary);border-color:rgba(0,224,184,.45)}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:auto;background:var(--surface-1);
  border-top:1px solid var(--line);padding:56px 0 26px;position:relative;z-index:2;
}
.footer-top{padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:15.5px;font-weight:700;color:var(--text)}
.footer-brand .brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;font-size:16px}
.footer-desc{font-size:13.5px;color:var(--text-2);line-height:1.8;margin-top:14px;max-width:330px}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px}
.footer-links li{margin-bottom:9px}
.footer-links a{font-size:13.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding-top:20px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tech{font-variant-numeric:tabular-nums}

/* ============ 断点 ============ */
@media (max-width:1399.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
}
@media (max-width:1199.98px){
  .sidebar{width:88px;padding:18px 12px;align-items:center}
  .brand{flex-direction:column;gap:0;padding:2px 0 16px;width:100%;justify-content:center}
  .brand-text{display:none}
  .side-label{display:none}
  .nav-item{justify-content:center;padding:12px 0;width:100%}
  .nav-item span{display:none}
  .nav-item i{width:auto;font-size:17px}
  .side-note{display:none}
  .btn-login span{display:none}
  .btn-login{height:44px;width:44px;padding:0;border-radius:var(--r-md)}
  .main-area{margin-left:88px}
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .side-col{position:static;margin-top:8px}
  .article-body,.tag-row,.prevnext{max-width:100%}
  .related-grid{max-width:100%}
}
@media (max-width:991.98px){
  .sidebar{
    width:282px;flex-basis:282px;align-items:stretch;padding:22px 16px;
    transform:translateX(-100%);transition:transform .28s var(--ease);
    box-shadow:0 20px 50px rgba(0,0,0,.5);
  }
  .sidebar.open{transform:translateX(0)}
  .brand{flex-direction:row;justify-content:flex-start;gap:10px;padding:2px 6px 18px}
  .brand-text{display:block}
  .side-label{display:block}
  .nav-item{justify-content:flex-start;padding:11px 12px}
  .nav-item span{display:inline}
  .nav-item i{width:20px;font-size:15px}
  .btn-login span{display:inline}
  .btn-login{width:100%;padding:0 18px}
  .side-note{display:block}
  .main-area{margin-left:0}
  .mobile-topbar{display:flex}
  .page{padding:24px 0 64px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .crumbs .current{max-width:200px}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .article-head h1{font-size:26px;margin:14px 0 16px}
  .article-body{font-size:16.5px;line-height:1.85;margin-top:24px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .prevnext{grid-template-columns:1fr;gap:12px}
  .pn-card.next{text-align:left}
  .pn-card.next .pn-label{justify-content:flex-start}
  .meta-actions{margin-left:0;width:100%}
  .side-card{padding:17px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:575.98px){
  .related-grid{grid-template-columns:1fr}
  .article-head h1{font-size:23px}
  .article-body{font-size:16px}
  .empty-state{padding:42px 18px}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --bg:#0A0C10;
  --layer-1:#12161D;
  --layer-2:#1A1F28;
  --line:#262C38;
  --line-soft:rgba(255,255,255,.07);
  --text:#ECF0F6;
  --text-2:#9AA4B2;
  --text-3:#6B7480;
  --primary:#00E0B8;
  --primary-ink:#04211A;
  --secondary:#FF6A3D;
  --purple:#8B5CF6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(0,0,0,.35);
  --sh-primary:0 10px 30px rgba(0,224,184,.18);
  --sidebar-w:248px;
  --topbar-h:60px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 6% -6%, rgba(0,224,184,.10), transparent 70%),
    radial-gradient(560px 400px at 96% 0%, rgba(255,106,61,.08), transparent 70%);
}
body::after{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.032;
  background-image:linear-gradient(rgba(255,255,255,.55) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:48px 48px;
}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--primary)}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.25;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

.wrap{max-width:1280px;margin:0 auto;padding:0 24px;width:100%}

/* ===== App Shell ===== */
.side-shell{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:linear-gradient(180deg,#0D1016 0%,#0A0C10 100%);
  border-right:1px solid var(--line-soft);
  display:flex;flex-direction:column;
  padding:22px 14px 18px;
  z-index:1040;
  transition:transform .28s ease,width .2s ease;
}
.side-brand{display:flex;align-items:center;gap:10px;padding:0 6px 20px;border-bottom:1px solid var(--line-soft);margin-bottom:18px}
.brand-mark{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#0aa38a);
  color:var(--primary-ink);font-weight:700;font-size:17px;
  box-shadow:0 6px 18px rgba(0,224,184,.22);
}
.brand-text{font-size:15px;font-weight:700;color:var(--text);line-height:1.3}
.brand-text small{display:block;font-size:11.5px;font-weight:400;color:var(--text-3);letter-spacing:.04em}
.side-label{font-size:11.5px;letter-spacing:.16em;color:var(--text-3);padding:0 8px 10px;display:block}
.side-nav{display:flex;flex-direction:column;gap:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:11px 14px;border-radius:var(--r-md);
  color:var(--text-2);font-size:14.5px;white-space:nowrap;
}
.nav-item i{width:20px;text-align:center;font-size:14.5px;color:var(--text-3);transition:color .2s ease}
.nav-item:hover{background:var(--layer-2);color:var(--text)}
.nav-item:hover i{color:var(--text-2)}
.nav-item.active{background:rgba(0,224,184,.10);color:var(--primary);font-weight:600}
.nav-item.active i{color:var(--primary)}
.nav-item.active::before{content:"";position:absolute;left:-14px;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--primary)}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:12px}
.side-cta{
  display:flex;align-items:center;justify-content:center;gap:8px;
  height:44px;border-radius:var(--r-md);
  background:var(--primary);color:var(--primary-ink);
  font-weight:600;font-size:14.5px;border:none;width:100%;
}
.side-cta:hover{background:#12F0C8;color:var(--primary-ink);box-shadow:var(--sh-primary)}
.side-meta{font-size:12px;color:var(--text-3);line-height:1.7;padding:0 4px}
.side-meta i{margin-right:6px;color:var(--text-3)}

.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(10,12,16,.94);border-bottom:1px solid var(--line-soft);
  backdrop-filter:blur(10px);z-index:1050;
}
.mobile-bar .brand-text{font-size:14.5px}
.mobile-bar .brand-text small{display:none}
.menu-btn{
  width:40px;height:40px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--layer-1);color:var(--text);
  display:grid;place-items:center;font-size:16px;cursor:pointer;
}
.menu-btn:hover{border-color:rgba(0,224,184,.45);color:var(--primary)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(4,6,9,.68);z-index:1035;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.show{opacity:1;visibility:visible}

.main-area{position:relative;z-index:1;margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}

/* ===== Banner ===== */
.page-banner{
  position:relative;
  min-height:300px;
  display:flex;align-items:flex-end;
  padding:56px 0 34px;
  background:
    linear-gradient(to top, rgba(10,12,16,.97) 10%, rgba(10,12,16,.74) 58%, rgba(10,12,16,.56) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line-soft);
}
.banner-inner{position:relative;z-index:2;max-width:760px}
.crumb{font-size:13px;color:var(--text-3);margin-bottom:14px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb span{color:var(--text-2)}
.crumb i{margin:0 8px;font-size:10px;color:var(--text-3)}
.page-banner h1{font-size:clamp(28px,3.6vw,44px);margin-bottom:14px}
.page-banner .lead{font-size:16px;color:var(--text-2);max-width:640px}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:rgba(18,22,29,.72);
  font-size:12.5px;color:var(--text-2);
}
.chip i{font-size:11px;color:var(--text-3)}
.chip:hover{border-color:rgba(0,224,184,.45);color:var(--primary)}
.chip.is-on{background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.5);color:#CFC0FF}

/* ===== Section ===== */
.section{padding:76px 0}
.section.tight{padding:60px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,31px);margin-bottom:8px}
.section-head p{font-size:14.5px;color:var(--text-2)}
.section-head .more{font-size:13.5px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.section-head .more:hover{gap:10px}
.divider{height:1px;background:var(--line-soft);border:0;margin:0}

/* ===== Buttons ===== */
.btn-neon,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn-neon{background:var(--primary);color:var(--primary-ink)}
.btn-neon:hover{background:#12F0C8;color:var(--primary-ink);box-shadow:var(--sh-primary);transform:translateY(-1px)}
.btn-neon:active{transform:translateY(1px)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(0,224,184,.5);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-neon[disabled],.btn-ghost[disabled]{opacity:.45;cursor:not-allowed;transform:none}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:var(--layer-1);border:1px solid var(--line-soft);
  border-radius:var(--r-md);padding:22px 20px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--sh)}
.step .idx{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:rgba(0,224,184,.12);color:var(--primary);font-weight:700;font-size:15px;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--text-2);line-height:1.8}
.step-tip{margin-top:14px;font-size:12.5px;color:var(--text-3);display:flex;align-items:center;gap:6px}

/* ===== Strip cards ===== */
.strip-list{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.strip-card{
  display:flex;gap:18px;background:var(--layer-1);border:1px solid var(--line-soft);
  border-radius:var(--r-lg);padding:16px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.strip-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--sh)}
.strip-thumb{
  flex:0 0 168px;width:168px;aspect-ratio:4/3;border-radius:var(--r-md);overflow:hidden;
  background:var(--layer-2);position:relative;
}
.strip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.strip-card:hover .strip-thumb img{transform:scale(1.03)}
.strip-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.strip-body h3{font-size:16.5px}
.strip-body p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.strip-meta{display:flex;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--text-3);margin-top:auto}
.strip-meta span{display:inline-flex;align-items:center;gap:5px}

/* ===== Badges ===== */
.badge-corner{
  position:absolute;left:12px;top:12px;z-index:2;
  padding:4px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(255,106,61,.92);color:#1B0C05;backdrop-filter:blur(4px);
}
.badge-corner.is-primary{background:rgba(0,224,184,.92);color:var(--primary-ink)}
.badge-corner.is-line{background:rgba(10,12,16,.72);border:1px solid rgba(0,224,184,.5);color:var(--primary)}

/* ===== Card grid ===== */
.card-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.g-card{
  background:var(--layer-1);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.g-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--sh)}
.g-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--layer-2)}
.g-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.g-card:hover .g-cover img{transform:scale(1.03)}
.g-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.g-body h3{
  font-size:16.5px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.g-body p{
  font-size:13.5px;color:var(--text-2);line-height:1.72;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.g-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto;padding-top:10px;border-top:1px solid var(--line-soft)}
.g-meta .go{color:var(--primary);display:inline-flex;align-items:center;gap:5px}

/* ===== Hot list ===== */
.hot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.hot-card{
  display:flex;gap:16px;align-items:center;background:var(--layer-1);
  border:1px solid var(--line-soft);border-radius:var(--r-md);padding:14px;
  transition:transform .22s ease,border-color .22s ease;
}
.hot-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4)}
.hot-card .rank{
  flex:0 0 36px;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  font-weight:700;font-size:15px;background:rgba(0,224,184,.12);color:var(--primary);
}
.hot-card .rank.is-orange{background:rgba(255,106,61,.14);color:var(--secondary)}
.hot-card .txt{min-width:0}
.hot-card h3{font-size:15px;margin-bottom:4px}
.hot-card p{font-size:12.5px;color:var(--text-3)}
.hot-card .mini-cover{flex:0 0 62px;width:62px;height:46px;border-radius:var(--r-sm);overflow:hidden;background:var(--layer-2)}
.hot-card .mini-cover img{width:100%;height:100%;object-fit:cover}

.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.cross-card{
  display:block;padding:20px;border-radius:var(--r-md);
  background:linear-gradient(160deg,rgba(26,31,40,.9),rgba(18,22,29,.9));
  border:1px solid var(--line-soft);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.cross-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.45);box-shadow:var(--sh);color:var(--text)}
.cross-card i{color:var(--primary);font-size:16px;margin-bottom:10px;display:block}
.cross-card h3{font-size:16px;margin-bottom:6px}
.cross-card p{font-size:13px;color:var(--text-2)}

/* ===== Pager ===== */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:38px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 12px;display:grid;place-items:center;
  border-radius:var(--r-sm);border:1px solid var(--line-soft);background:var(--layer-1);
  font-size:14px;color:var(--text-2);
}
.pager a:hover{border-color:rgba(0,224,184,.45);color:var(--primary)}
.pager .is-cur{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:600}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq-item{
  background:var(--layer-1);border:1px solid var(--line-soft);border-radius:var(--r-md);
  margin-bottom:16px;overflow:hidden;transition:border-color .22s ease;
}
.faq-item[open]{border-color:rgba(0,224,184,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:16px;font-weight:600;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary i{color:var(--text-3);font-size:14px;transition:transform .25s ease,color .25s ease}
.faq-item[open] summary i{transform:rotate(45deg);color:var(--primary)}
.faq-body{padding:0 20px 20px;font-size:15px;color:var(--text-2)}

/* ===== CTA band ===== */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:44px 42px;
  background:
    linear-gradient(100deg, rgba(10,12,16,.94) 22%, rgba(10,12,16,.66) 100%),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.3vw,30px);margin-bottom:10px}
.cta-band p{font-size:14.5px;color:var(--text-2);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{margin-top:auto;border-top:1px solid var(--line-soft);background:rgba(13,16,22,.6);padding:56px 0 26px;font-size:14px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15.5px;margin-bottom:14px}
.footer-desc{font-size:13.5px;color:var(--text-2);max-width:330px;line-height:1.8}
.footer-title{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:13.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ===== Back to top ===== */
.to-top{
  position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;background:var(--layer-2);border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;z-index:1030;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease,color .2s ease,border-color .2s ease;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{color:var(--primary);border-color:rgba(0,224,184,.5)}

/* ===== 992–1199 窄栏 ===== */
@media (min-width:992px) and (max-width:1199.98px){
  :root{--sidebar-w:88px}
  .side-shell{padding:20px 12px 16px;align-items:center}
  .side-brand{justify-content:center;padding:0 0 18px;width:100%}
  .brand-text,.side-label{display:none}
  .side-nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:12px 0;width:100%}
  .nav-item.active::before{left:-12px}
  .nav-item span{
    position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%) scale(.96);
    background:var(--layer-2);border:1px solid var(--line);border-radius:var(--r-sm);
    padding:6px 12px;font-size:13px;color:var(--text);white-space:nowrap;
    opacity:0;visibility:hidden;pointer-events:none;transition:opacity .16s ease,visibility .16s ease,transform .16s ease;
    z-index:1100;
  }
  .nav-item:hover span{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}
  .side-cta span{display:none}
  .side-cta{width:44px;height:44px;padding:0}
  .side-meta{display:none}
}

/* ===== <992 移动端 ===== */
@media (max-width:991.98px){
  .mobile-bar{display:flex}
  .side-shell{
    width:272px;transform:translateX(-102%);padding:20px 16px 18px;
    box-shadow:0 20px 50px rgba(0,0,0,.55);
  }
  .side-shell.open{transform:translateX(0)}
  .main-area{margin-left:0;padding-top:var(--topbar-h)}
  .page-banner{min-height:262px;padding:40px 0 28px}
  .section{padding:56px 0}
  .section.tight{padding:44px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .strip-list{grid-template-columns:1fr}
  .hot-grid{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px}
}
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .card-grid{gap:16px}
  .strip-thumb{flex:0 0 128px;width:128px}
  .cta-band{padding:28px 20px}
  .btn-neon,.btn-ghost{height:46px;padding:0 22px;font-size:14.5px}
}
@media (max-width:575.98px){
  .card-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .strip-card{flex-direction:column}
  .strip-thumb{flex:none;width:100%;aspect-ratio:16/9}
  .cta-actions{width:100%}
  .cta-actions .btn-neon,.cta-actions .btn-ghost{flex:1}
  .page-banner h1{font-size:27px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0C10;
  --l1:#12161D;
  --l2:#1A1F28;
  --line:#262C38;
  --line-soft:rgba(255,255,255,.07);
  --text:#ECF0F6;
  --text-2:#9AA4B2;
  --text-3:#6B7480;
  --primary:#00E0B8;
  --primary-dim:rgba(0,224,184,.4);
  --primary-soft:rgba(0,224,184,.10);
  --on-primary:#04211A;
  --secondary:#FF6A3D;
  --accent:#8B5CF6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(0,0,0,.35);
  --sh-primary:0 10px 30px rgba(0,224,184,.18);
  --sec:96px;
  --side:248px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding:0 0 0 var(--side);
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(720px 420px at 6% -8%, rgba(0,224,184,.10), transparent 62%),
    radial-gradient(640px 380px at 98% 2%, rgba(255,106,61,.08), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.026) 0 1px, transparent 1px 4px);
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--primary)}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
hr{border:0;border-top:1px solid var(--line)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(0,224,184,.28);color:#fff}

/* ============ 侧栏导航 ============ */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--side);
  z-index:50;
  display:flex;
  flex-direction:column;
  gap:20px;
  padding:24px 18px 20px;
  background:linear-gradient(180deg,#0E121A 0%,#0A0C10 100%);
  border-right:1px solid var(--line);
}
.side-brand{
  display:flex;
  align-items:center;
  gap:11px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  letter-spacing:-.01em;
}
.side-brand:hover{color:var(--primary)}
.brand-mark{
  width:36px;height:36px;flex:none;
  border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary) 0%,#0BB795 100%);
  color:var(--on-primary);
  font-weight:700;font-size:17px;
  box-shadow:0 6px 18px rgba(0,224,184,.22);
}
.brand-text{white-space:nowrap}
.side-label{
  font-size:12px;
  letter-spacing:.14em;
  color:var(--text-3);
  padding-left:14px;
}
.side-nav{display:flex;flex-direction:column;gap:6px}
.side-nav .nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  padding:11px 14px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  color:var(--text-2);
  font-size:15px;
  line-height:1.4;
}
.side-nav .nav-item i{width:18px;text-align:center;font-size:15px;flex:none}
.side-nav .nav-item:hover{
  background:var(--l1);
  border-color:var(--line-soft);
  color:var(--text);
}
.side-nav .nav-item.active{
  color:var(--primary);
  background:var(--primary-soft);
  border-color:rgba(0,224,184,.22);
}
.side-nav .nav-item.active::before{
  content:"";
  position:absolute;
  left:-18px;top:50%;
  transform:translateY(-50%);
  width:3px;height:20px;
  border-radius:2px;
  background:var(--primary);
}
.side-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px}
.side-foot .btn-main{width:100%;height:44px;font-size:14.5px;padding:0 16px}
.side-note{font-size:12.5px;color:var(--text-3);line-height:1.7;padding-left:2px}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  z-index:60;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(10,12,16,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.brand-mini{display:flex;align-items:center;gap:9px;font-size:15px;font-weight:600;color:var(--text)}
.brand-mini .brand-mark{width:30px;height:30px;border-radius:9px;font-size:15px}
.burger{
  width:42px;height:42px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:16px;
}
.burger:hover{color:var(--primary);border-color:var(--primary-dim)}
.drawer{
  position:fixed;
  inset:0;
  z-index:80;
  display:none;
  background:rgba(5,7,10,.74);
}
.drawer.open{display:block}
.drawer-panel{
  width:min(84vw,320px);
  height:100%;
  padding:20px 18px;
  display:flex;
  flex-direction:column;
  gap:20px;
  background:var(--l1);
  border-right:1px solid var(--line);
  overflow-y:auto;
  animation:drawerIn .24s ease;
}
@keyframes drawerIn{from{transform:translateX(-16px);opacity:.4}to{transform:translateX(0);opacity:1}}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-head span{font-size:15px;font-weight:600;color:var(--text)}
.drawer-close{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  color:var(--text-2);
}
.drawer-close:hover{color:var(--primary);border-color:var(--primary-dim)}

/* ============ 主内容容器 ============ */
.main{
  position:relative;
  z-index:1;
  max-width:1280px;
  margin:0 auto;
  padding:28px 24px 0;
}
.wrap{max-width:1280px;margin:0 auto;padding:0 24px}

.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  background:var(--primary);
  color:var(--on-primary);
  font-size:15px;font-weight:600;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease;
}
.btn-main:hover{color:var(--on-primary);box-shadow:var(--sh-primary);transform:translateY(-1px)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text);
  font-size:15px;font-weight:600;
  transition:transform .22s ease,border-color .22s ease,color .22s ease;
}
.btn-ghost:hover{border-color:var(--primary-dim);color:var(--primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}

.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
  color:var(--text-2);
  font-size:12.5px;
  white-space:nowrap;
  transition:.2s ease;
}
.chip:hover{border-color:var(--primary-dim);color:var(--text)}
.chip.is-on{background:var(--primary-soft);border-color:var(--primary-dim);color:var(--primary)}

/* ============ 分类 Banner ============ */
.page-hero{
  position:relative;
  border-radius:var(--r-lg);
  border:1px solid var(--line-soft);
  overflow:hidden;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(92deg,rgba(6,8,12,.95) 0%,rgba(6,8,12,.80) 50%,rgba(6,8,12,.48) 100%);
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:130px;
  background:linear-gradient(180deg,rgba(6,8,12,0),rgba(6,8,12,.92));
}
.page-hero-inner{
  position:relative;
  z-index:2;
  padding:clamp(24px,3.2vw,44px);
  max-width:820px;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:9px;
  font-size:13px;color:var(--text-3);
  margin-bottom:14px;
}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}
.crumb .cur{color:var(--text-2)}
.page-hero h1{
  font-size:clamp(30px,3.8vw,48px);
  line-height:1.16;
  max-width:20em;
  margin-bottom:14px;
}
.page-hero .hero-sub{
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.85;
  max-width:56ch;
  margin-bottom:20px;
}
.filter-row{display:flex;flex-wrap:wrap;gap:10px}

/* ============ 板块通用 ============ */
.section{margin-top:var(--sec)}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.sec-head h2{font-size:clamp(23px,2.5vw,34px);line-height:1.2}
.sec-sub{font-size:14px;color:var(--text-3);margin-top:8px;max-width:60ch}
.sec-link{
  font-size:13.5px;color:var(--text-2);
  display:inline-flex;align-items:center;gap:7px;
  white-space:nowrap;
}
.sec-link:hover{color:var(--primary)}
.sec-link i{font-size:12px}

/* ============ 更新快报 ============ */
.pulse-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.pulse{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--l1);
  transition:transform .25s ease,border-color .25s ease;
}
.pulse:hover{transform:translateY(-2px);border-color:var(--primary-dim)}
.pulse .dot{
  width:8px;height:8px;flex:none;margin-top:9px;
  border-radius:50%;
  background:var(--secondary);
  box-shadow:0 0 0 4px rgba(255,106,61,.14);
}
.pulse .dot.ok{background:var(--primary);box-shadow:0 0 0 4px rgba(0,224,184,.14)}
.pulse .dot.vi{background:var(--accent);box-shadow:0 0 0 4px rgba(139,92,246,.16)}
.pulse h3{font-size:15.5px;font-weight:600;margin-bottom:6px;line-height:1.5}
.pulse p{font-size:13.5px;color:var(--text-2);line-height:1.75}
.pulse time{
  display:block;margin-top:8px;
  font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}

/* ============ 海报网格 ============ */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.poster{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--l1);
  overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.poster:hover{
  transform:translateY(-2px);
  border-color:var(--primary-dim);
  box-shadow:var(--sh);
}
.poster-media{
  position:relative;
  aspect-ratio:3/4;
  overflow:hidden;
  background:var(--l2);
}
.poster-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.poster:hover .poster-media img{transform:scale(1.03)}
.badge{
  position:absolute;left:12px;top:12px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  color:var(--text);
  background:rgba(6,8,12,.74);
  border:1px solid rgba(255,255,255,.14);
}
.badge.hot{background:rgba(255,106,61,.18);border-color:rgba(255,106,61,.46);color:#FFB79E}
.badge.new{background:rgba(0,224,184,.16);border-color:rgba(0,224,184,.44);color:#8CF0DC}
.poster-body{
  padding:16px 18px 18px;
  display:flex;flex-direction:column;gap:8px;
  flex:1;
}
.poster-body h3{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-meta{
  margin-top:auto;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.poster-meta .go{display:inline-flex;align-items:center;gap:6px}
.poster:hover .poster-meta .go{color:var(--primary)}

/* ============ 分页 ============ */
.pager{
  display:flex;flex-wrap:wrap;justify-content:center;gap:10px;
  margin-top:38px;
}
.pager a,.pager .pg{
  min-width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  padding:0 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:14px;
  font-variant-numeric:tabular-nums;
}
.pager a:hover{border-color:var(--primary-dim);color:var(--primary)}
.pager .is-cur{
  background:var(--primary);
  border-color:var(--primary);
  color:var(--on-primary);
  font-weight:600;
}
.pager .is-off{opacity:.45}

/* ============ 热门与跨分类 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.panel{
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--l1);
  padding:24px;
}
.panel h2,.panel h3{font-size:19px;font-weight:600}
.panel .panel-sub{font-size:13.5px;color:var(--text-3);margin-top:6px}
.rank-list{margin-top:18px}
.rank-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-num{
  width:26px;height:26px;flex:none;margin-top:3px;
  display:flex;align-items:center;justify-content:center;
  border-radius:8px;
  background:var(--l2);
  color:var(--text-2);
  font-size:13px;
  font-variant-numeric:tabular-nums;
}
.rank-list li:nth-child(1) .rank-num{background:rgba(0,224,184,.14);color:var(--primary)}
.rank-list li:nth-child(2) .rank-num{background:rgba(255,106,61,.14);color:#FFB79E}
.rank-list li:nth-child(3) .rank-num{background:rgba(139,92,246,.16);color:#C4B5FD}
.rank-list a{font-size:15px;color:var(--text);line-height:1.6}
.rank-list a:hover{color:var(--primary)}
.rank-list .rk-meta{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}

.cross-list{display:flex;flex-direction:column;gap:14px;margin-top:18px}
.cross-item{
  display:flex;gap:14px;align-items:center;
  padding:12px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--l2);
  transition:transform .25s ease,border-color .25s ease;
}
.cross-item:hover{transform:translateY(-2px);border-color:var(--primary-dim)}
.cross-item img{
  width:86px;height:60px;flex:none;
  object-fit:cover;
  border-radius:var(--r-sm);
}
.cross-item strong{display:block;font-size:14.5px;font-weight:600;line-height:1.5}
.cross-item span{display:block;font-size:12.5px;color:var(--text-3);margin-top:4px}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:14px}
.faq details{
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--l1);
  overflow:hidden;
  transition:border-color .22s ease;
}
.faq details:hover{border-color:var(--primary-dim)}
.faq details[open]{border-color:rgba(0,224,184,.28)}
.faq summary{
  list-style:none;
  cursor:pointer;
  padding:18px 20px;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--primary)}
.faq .ic{
  position:relative;
  width:16px;height:16px;flex:none;margin-top:6px;
}
.faq .ic::before,.faq .ic::after{
  content:"";
  position:absolute;
  background:var(--primary);
  border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq .ic::before{left:0;top:7px;width:16px;height:2px}
.faq .ic::after{left:7px;top:0;width:2px;height:16px}
.faq details[open] .ic::after{transform:rotate(90deg);opacity:0}
.faq .ans{padding:0 20px 20px;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  margin-top:var(--sec);
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  padding:clamp(28px,4vw,52px);
  box-shadow:var(--sh);
}
.cta-band::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,8,12,.96) 0%,rgba(6,8,12,.78) 60%,rgba(6,8,12,.58) 100%);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:10px}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  z-index:1;
  margin-top:var(--sec);
  border-top:1px solid var(--line);
  background:rgba(10,12,16,.74);
}
.site-footer .wrap{padding:56px 24px 24px}
.footer-brand{
  display:flex;align-items:center;gap:11px;
  font-size:17px;font-weight:700;
  margin-bottom:14px;
}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:34ch}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:13.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:38px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tech{font-variant-numeric:tabular-nums}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  z-index:70;
  display:none;
  align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:rgba(18,22,29,.92);
  color:var(--text-2);
  transition:.22s ease;
}
.to-top.show{display:inline-flex}
.to-top:hover{color:var(--primary);border-color:var(--primary-dim);transform:translateY(-2px)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--side:88px}
  body{padding-left:var(--side)}
  .sidebar{width:88px;padding:20px 10px;align-items:center}
  .side-brand{justify-content:center}
  .side-brand .brand-text{display:none}
  .side-label{display:none}
  .side-nav{width:100%;align-items:center}
  .side-nav .nav-item{justify-content:center;padding:12px 0;width:100%}
  .side-nav .nav-item span{display:none}
  .side-nav .nav-item.active::before{left:-10px}
  .side-foot .btn-main{padding:0;font-size:0}
  .side-foot .btn-main i{font-size:15px}
  .side-note{display:none}
  .poster-grid{grid-template-columns:repeat(3,1fr)}
  .split{grid-template-columns:1fr}
}

@media (max-width:991.98px){
  body{padding-left:0;padding-top:60px}
  .sidebar{display:none}
  .mobile-bar{display:flex}
  .main{padding:20px 16px 0}
  .wrap{padding:0 16px}
  .site-footer .wrap{padding:44px 16px 20px}
  .poster-grid{grid-template-columns:repeat(2,1fr);gap:18px}
  .pulse-grid{grid-template-columns:1fr;gap:18px}
  .section{margin-top:64px}
  .cta-band{margin-top:64px}
  .site-footer{margin-top:64px}
}

@media (max-width:575.98px){
  body{font-size:15.5px}
  .page-hero{min-height:260px;border-radius:var(--r-md)}
  .page-hero h1{font-size:clamp(25px,7vw,32px)}
  .page-hero .hero-sub{font-size:14.5px}
  .poster-grid{grid-template-columns:1fr}
  .poster-body h3{font-size:16px}
  .panel{padding:20px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .btn-main,.btn-ghost{width:100%;padding:0 18px}
  .cta-actions{width:100%}
  .to-top{right:16px;bottom:16px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#0A0C10;
  --surface-1:#12161D;
  --surface-2:#1A1F28;
  --line:#262C38;
  --line-soft:rgba(255,255,255,.07);
  --text-1:#ECF0F6;
  --text-2:#9AA4B2;
  --text-3:#6B7480;
  --primary:#00E0B8;
  --primary-ink:#04211A;
  --secondary:#FF6A3D;
  --accent:#8B5CF6;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(0,0,0,.35);
  --shadow-glow:0 10px 30px rgba(0,224,184,.18);
  --sidebar-w:248px;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --section-pad:96px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-1);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(620px 420px at 12% -6%, rgba(0,224,184,.10), transparent 68%),
    radial-gradient(560px 400px at 96% 4%, rgba(255,106,61,.08), transparent 70%),
    linear-gradient(rgba(255,255,255,.017) 1px, transparent 1px) 0 0/100% 3px;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .22s ease,border-color .22s ease}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:var(--r-sm);
}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1{font-size:clamp(32px,4.4vw,56px);font-weight:700;line-height:1.12;letter-spacing:-.01em}
h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.22;letter-spacing:-.01em}
h3{font-size:20px;font-weight:600;line-height:1.4}
p{color:var(--text-2)}
.num{font-variant-numeric:tabular-nums}

/* ---------- 布局骨架 ---------- */
.shell{position:relative;z-index:1}
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:linear-gradient(180deg,#0D1117 0%,#0A0C10 100%);
  border-right:1px solid var(--line-soft);
  display:flex;
  flex-direction:column;
  padding:22px 16px 18px;
  z-index:60;
  overflow:hidden;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  padding:2px 6px 18px;
  border-bottom:1px solid var(--line-soft);
  margin-bottom:20px;
}
.brand-mark{
  width:38px;height:38px;flex:none;
  border-radius:var(--r-md);
  background:linear-gradient(140deg,var(--primary),#00a98c 70%);
  color:var(--primary-ink);
  display:grid;place-items:center;
  font-weight:700;font-size:18px;
  box-shadow:0 6px 18px rgba(0,224,184,.22);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0}
.brand-name{font-size:14.5px;font-weight:600;color:var(--text-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-sub{font-size:11.5px;color:var(--text-3);white-space:nowrap}
.side-label{
  font-size:11.5px;
  color:var(--text-3);
  letter-spacing:.14em;
  padding:0 8px 10px;
  display:block;
}
.side-nav{display:flex;flex-direction:column;gap:4px}
.nav-item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  padding:11px 12px;
  border-radius:var(--r-md);
  color:var(--text-2);
  font-size:14.5px;
  border-left:3px solid transparent;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;flex:none}
.nav-item span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nav-item:hover{background:var(--surface-1);color:var(--text-1);border-left-color:rgba(0,224,184,.4)}
.nav-item.active{
  background:rgba(0,224,184,.10);
  color:var(--primary);
  border-left-color:var(--primary);
  font-weight:600;
}
.nav-item:active{transform:translateY(1px)}
.side-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line-soft)}
.btn-side{
  display:flex;align-items:center;justify-content:center;gap:8px;
  width:100%;height:44px;
  border-radius:var(--r-md);
  background:var(--primary);
  color:var(--primary-ink);
  font-weight:600;font-size:14.5px;
  transition:box-shadow .25s ease,transform .18s ease,background .25s ease;
}
.btn-side:hover{box-shadow:var(--shadow-glow);background:#22ecc6;color:var(--primary-ink)}
.btn-side:active{transform:translateY(1px)}
.side-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7}

.main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  position:relative;
}
.wrap{
  max-width:1280px;
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 移动顶栏 / 抽屉 ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:60px;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(10,12,16,.94);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line-soft);
  z-index:80;
}
.topbar .brand-mark{width:34px;height:34px;font-size:16px}
.topbar-brand{display:flex;align-items:center;gap:10px;font-size:14.5px;font-weight:600}
.burger{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:17px;
}
.burger:hover{border-color:rgba(0,224,184,.5);color:var(--primary)}
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(4,6,9,.72);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
  z-index:90;
}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(320px,84vw);
  background:#0D1117;
  border-left:1px solid var(--line-soft);
  transform:translateX(100%);
  transition:transform .3s ease;
  z-index:100;
  padding:22px 18px;
  display:flex;flex-direction:column;
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0)}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:rgba(0,224,184,.5)}
.drawer .side-nav{gap:6px}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2)}
.crumb a:hover{color:var(--primary)}
.crumb .sep{color:var(--text-3)}
.crumb .current{color:var(--text-2)}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  margin-top:20px;
  min-height:280px;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-soft);
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(10,12,16,.94) 0%,rgba(10,12,16,.72) 52%,rgba(10,12,16,.45) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
}
.page-banner::after{
  content:"";
  position:absolute;inset:auto 0 0 0;height:56%;
  background:linear-gradient(180deg,transparent,rgba(10,12,16,.88));
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:clamp(24px,3.4vw,44px);max-width:820px}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;
  color:var(--primary);
  border:1px solid rgba(0,224,184,.35);
  background:rgba(0,224,184,.08);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:16px;
}
.banner-inner h1{font-size:clamp(30px,3.6vw,46px);margin-bottom:14px}
.banner-desc{font-size:15.5px;color:var(--text-2);max-width:640px;line-height:1.85}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:2}
.chip{
  display:inline-flex;align-items:center;
  height:34px;padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(18,22,29,.72);
  color:var(--text-2);
  font-size:13px;
  transition:all .22s ease;
}
.chip:hover{border-color:rgba(0,224,184,.45);color:var(--text-1)}
.chip.is-active{background:rgba(0,224,184,.14);border-color:rgba(0,224,184,.55);color:var(--primary);font-weight:600}
.chip.soft-accent{background:rgba(139,92,246,.14);border-color:rgba(139,92,246,.45);color:#C7B4FF}

/* ---------- 板块通用 ---------- */
.section{padding:var(--section-pad) 0 0}
.section:last-of-type{padding-bottom:var(--section-pad)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap}
.section-head .eyebrow{font-size:12.5px;color:var(--primary);letter-spacing:.12em;margin-bottom:8px;display:block}
.section-head p{font-size:14.5px;margin-top:10px;max-width:640px}
.section-more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.section-more:hover{color:var(--primary)}

/* ---------- 说明三卡 ---------- */
.principle-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.principle-card{
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.principle-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow)}
.principle-ico{
  width:46px;height:46px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:rgba(0,224,184,.1);
  color:var(--primary);
  font-size:19px;
  margin-bottom:18px;
}
.principle-card h3{margin-bottom:10px}
.principle-card p{font-size:14.5px;line-height:1.8}

/* ---------- 自查流程 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step-card{
  position:relative;
  background:linear-gradient(180deg,var(--surface-1),rgba(18,22,29,.5));
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:26px 22px 24px;
  transition:transform .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4)}
.step-num{
  font-size:13px;
  color:var(--primary);
  border:1px solid rgba(0,224,184,.35);
  border-radius:var(--r-pill);
  padding:3px 12px;
  display:inline-block;
  margin-bottom:16px;
  letter-spacing:.06em;
}
.step-card h3{font-size:17.5px;margin-bottom:10px}
.step-card p{font-size:14px;line-height:1.78}

/* ---------- 主体列表 + 侧栏 ---------- */
.content-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr);gap:32px;align-items:start}
.row-list{display:flex;flex-direction:column;gap:20px}
.row-card{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:22px;
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:16px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.row-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow)}
.row-cover{
  position:relative;
  border-radius:var(--r-md);
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--surface-2);
}
.row-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.row-card:hover .row-cover img{transform:scale(1.03)}
.badge-soft{
  position:absolute;top:10px;left:10px;
  font-size:12px;
  padding:4px 11px;
  border-radius:var(--r-pill);
  background:rgba(10,12,16,.78);
  border:1px solid rgba(0,224,184,.45);
  color:var(--primary);
  backdrop-filter:blur(4px);
}
.badge-soft.warm{border-color:rgba(255,106,61,.5);color:var(--secondary)}
.row-body{display:flex;flex-direction:column;min-width:0}
.row-title{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:10px}
.row-title a:hover{color:var(--primary)}
.row-desc{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-3);margin-top:auto}
.meta-row .dot-sep{width:4px;height:4px;border-radius:50%;background:var(--text-3);display:inline-block}
.meta-row .go{color:var(--primary);margin-left:auto;display:inline-flex;align-items:center;gap:6px}
.meta-row .go:hover{color:#22ecc6}

/* ---------- 侧栏卡列 ---------- */
.aside-stack{display:flex;flex-direction:column;gap:24px;position:sticky;top:24px}
.aside-card{
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  padding:22px 20px;
}
.aside-card h3{font-size:16.5px;margin-bottom:18px;display:flex;align-items:center;gap:9px}
.aside-card h3 i{color:var(--primary);font-size:14px}
.hot-list{display:flex;flex-direction:column;gap:16px}
.hot-item{display:flex;gap:14px;align-items:flex-start}
.hot-item .thumb{
  width:74px;height:52px;flex:none;
  border-radius:var(--r-sm);
  overflow:hidden;
  background:var(--surface-2);
  border:1px solid var(--line-soft);
}
.hot-item .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.hot-item:hover .thumb img{transform:scale(1.05)}
.hot-item .txt{min-width:0}
.hot-item .txt a{font-size:14.5px;color:var(--text-1);line-height:1.55;display:block}
.hot-item .txt a:hover{color:var(--primary)}
.hot-item .txt span{font-size:12.5px;color:var(--text-3)}
.aside-cta{
  background:linear-gradient(150deg,rgba(0,224,184,.14),rgba(18,22,29,.9));
  border:1px solid rgba(0,224,184,.3);
  border-radius:var(--r-lg);
  padding:22px 20px;
}
.aside-cta h3{font-size:16.5px;margin-bottom:10px}
.aside-cta p{font-size:13.5px;line-height:1.75;margin-bottom:16px}
.aside-cta .btn-ghost{width:100%;justify-content:center}
.tip-list{display:flex;flex-direction:column;gap:12px}
.tip-list li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);line-height:1.75}
.tip-list li i{color:var(--primary);font-size:12px;margin-top:7px}

/* ---------- 跨分类推荐 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cross-card{
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cross-card:hover{transform:translateY(-2px);border-color:rgba(0,224,184,.4);box-shadow:var(--shadow)}
.cross-card .cv{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.cross-card .cv img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.cross-card:hover .cv img{transform:scale(1.03)}
.cross-card .bd{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.cross-card .bd h3{font-size:16.5px;margin-bottom:9px}
.cross-card .bd p{font-size:13.5px;line-height:1.75;margin-bottom:16px}
.cross-card .bd .link{font-size:13.5px;color:var(--primary);margin-top:auto;display:inline-flex;align-items:center;gap:7px}
.cross-card .bd .link:hover{color:#22ecc6}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px}
.faq-item{
  background:var(--surface-1);
  border:1px solid var(--line-soft);
  border-radius:var(--r-lg);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item:hover{border-color:rgba(0,224,184,.35)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);
  line-height:1.6;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{position:relative;width:16px;height:16px;flex:none;color:var(--primary)}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-q[aria-expanded="true"] .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{padding:0 22px 22px;font-size:15px;color:var(--text-2);line-height:1.85;max-width:760px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  margin-top:var(--section-pad);
  border-radius:var(--r-lg);
  border:1px solid rgba(0,224,184,.28);
  background:
    radial-gradient(520px 260px at 12% 0%, rgba(0,224,184,.16), transparent 70%),
    radial-gradient(420px 220px at 90% 100%, rgba(255,106,61,.14), transparent 72%),
    var(--surface-1);
  padding:clamp(28px,4vw,52px);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:26px;
}
.cta-band .txt{max-width:640px}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-band p{font-size:15px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 28px;
  border-radius:var(--r-md);
  font-size:15px;font-weight:600;
  transition:box-shadow .25s ease,transform .18s ease,background .25s ease,border-color .25s ease,color .25s ease;
}
.btn-main{background:var(--primary);color:var(--primary-ink)}
.btn-main:hover{background:#22ecc6;color:var(--primary-ink);box-shadow:var(--shadow-glow)}
.btn-main:active{transform:translateY(1px)}
.btn-ghost{
  background:transparent;
  color:var(--text-1);
  border:1px solid var(--line);
}
.btn-ghost:hover{border-color:rgba(0,224,184,.55);color:var(--primary)}
.btn-ghost:active{transform:translateY(1px)}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.45;pointer-events:none}

/* ---------- 分页 ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px}
.pager a,.pager span{
  min-width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  padding:0 13px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:14px;
  transition:all .22s ease;
}
.pager a:hover{border-color:rgba(0,224,184,.5);color:var(--primary)}
.pager .is-current{background:var(--primary);border-color:var(--primary);color:var(--primary-ink);font-weight:700}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section-pad);
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(18,22,29,.6),rgba(10,12,16,0));
  padding:64px 0 32px;
  position:relative;
  z-index:1;
}
.footer-top{padding-bottom:34px}
.footer-brand{display:flex;align-items:center;gap:11px;font-size:16px;font-weight:600;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:15px}
.footer-desc{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:340px}
.footer-title{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:13.5px;color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  border-top:1px solid var(--line-soft);
  padding-top:22px;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .tech{color:var(--text-3)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:26px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--text-2);
  display:grid;place-items:center;
  opacity:0;visibility:hidden;
  transform:translateY(10px);
  transition:all .28s ease;
  z-index:70;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{color:var(--primary);border-color:rgba(0,224,184,.5);box-shadow:var(--shadow-glow)}

/* ---------- 断点 ---------- */
@media (max-width:1399px){
  :root{--section-pad:84px}
}
@media (max-width:1199px){
  :root{--sidebar-w:88px;--section-pad:76px}
  .sidebar{padding:20px 12px 16px;align-items:center}
  .brand{justify-content:center;padding:2px 0 16px;margin-bottom:16px;width:100%}
  .brand-text,.side-label,.side-note{display:none}
  .side-nav{width:100%;align-items:center}
  .nav-item{justify-content:center;padding:12px 0;border-left:0;width:52px;border-radius:var(--r-md)}
  .nav-item.active{border-left:0;box-shadow:inset 3px 0 0 var(--primary)}
  .nav-item span{
    display:none;
  }
  .nav-item:hover span{
    display:block;
    position:absolute;
    left:calc(100% + 14px);
    top:50%;
    transform:translateY(-50%);
    background:var(--surface-2);
    border:1px solid var(--line);
    color:var(--text-1);
    padding:7px 13px;
    border-radius:var(--r-sm);
    font-size:13px;
    white-space:nowrap;
    box-shadow:var(--shadow);
    z-index:90;
  }
  .btn-side{padding:0 10px;font-size:13px}
  .btn-side i{font-size:15px}
  .btn-side span{display:none}
  .principle-grid{grid-template-columns:repeat(2,1fr)}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .content-grid{grid-template-columns:1fr}
  .aside-stack{position:static;flex-direction:row;flex-wrap:wrap}
  .aside-stack > *{flex:1 1 300px}
}
@media (max-width:991px){
  :root{--section-pad:64px}
  .sidebar{display:none}
  .topbar{display:flex}
  .main{margin-left:0;padding-top:60px}
  .row-card{grid-template-columns:200px minmax(0,1fr)}
  .cross-grid{grid-template-columns:repeat(2,1fr)}
  .page-banner{min-height:250px}
}
@media (max-width:767px){
  :root{--section-pad:56px}
  .wrap{padding:0 16px}
  .principle-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .cross-grid{grid-template-columns:1fr}
  .row-card{grid-template-columns:1fr;gap:16px}
  .row-cover{aspect-ratio:16/9}
  .cta-band{padding:26px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:575px){
  body{font-size:15.5px}
  .page-banner{min-height:230px}
  .banner-inner{padding:22px 18px}
  .banner-desc{font-size:14.5px}
  .row-title{font-size:16.5px}
  .aside-stack{flex-direction:column}
  .faq-q{font-size:15px;padding:18px}
  .faq-a{padding:0 18px 20px}
}