/* roulang page: index */
:root{
  --bg:#0d0a12;
  --bg-2:#130e1b;
  --panel:rgba(25,18,34,.78);
  --panel-2:rgba(34,25,45,.86);
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#f6f1f8;
  --muted:#c9bccf;
  --soft:#9f90a9;
  --brand:#d46a8b;
  --brand-2:#f0b76a;
  --brand-3:#7d5cff;
  --ok:#61d2a6;
  --warn:#f4c76d;
  --danger:#ff7688;
  --shadow:0 18px 48px rgba(0,0,0,.38);
  --shadow-soft:0 10px 28px rgba(0,0,0,.22);
  --radius:20px;
  --radius-sm:14px;
  --radius-lg:28px;
  --container:1180px;
  --gap:24px;
  --header-h:76px;
  --transition:.25s ease;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 10% 0%, rgba(212,106,139,.14), transparent 50%),
    radial-gradient(900px 600px at 90% 8%, rgba(125,92,255,.14), transparent 45%),
    linear-gradient(180deg, #0b0810 0%, #100b14 40%, #0d0910 100%);
  min-height:100vh;
  line-height:1.7;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(120deg, rgba(255,255,255,.03), transparent 35%, rgba(255,255,255,.02) 70%, transparent),
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.025), transparent 25%),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,.02), transparent 30%);
  mix-blend-mode:screen;
  opacity:.85;
  z-index:-1;
}
a{
  color:inherit;
  text-decoration:none;
  transition:color var(--transition), transform var(--transition), opacity var(--transition), border-color var(--transition), background-color var(--transition);
}
img{
  max-width:100%;
  display:block;
}
button,input,textarea,select{
  font:inherit;
}
button{
  cursor:pointer;
}
::selection{background:rgba(212,106,139,.35);color:#fff}
:focus-visible{
  outline:3px solid rgba(240,183,106,.9);
  outline-offset:3px;
}
.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}
.section{
  padding:88px 0;
  position:relative;
}
.section-tight{
  padding:56px 0;
}
.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap:18px;
  margin-bottom:28px;
}
.section-title{
  margin:0;
  font-size:clamp(26px, 2.8vw, 38px);
  line-height:1.15;
  letter-spacing:-.02em;
}
.section-subtitle{
  margin:10px 0 0;
  color:var(--muted);
  max-width:760px;
}
.kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:#f0dfff;
  font-size:13px;
  letter-spacing:.02em;
}
.kicker::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow:0 0 0 4px rgba(212,106,139,.12);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 11px;
  border-radius:999px;
  font-size:12px;
  line-height:1;
  color:#fceff4;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.05);
}
.badge.brand{background:linear-gradient(135deg, rgba(212,106,139,.25), rgba(125,92,255,.18));}
.badge.warn{background:rgba(244,199,109,.14); color:#ffe8b4; border-color:rgba(244,199,109,.22);}
.badge.ok{background:rgba(97,210,166,.13); color:#c7f7e7; border-color:rgba(97,210,166,.22);}
.topbar{
  border-bottom:1px solid var(--line);
  background:rgba(12,9,17,.72);
  backdrop-filter:blur(16px);
}
.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:42px;
  font-size:13px;
  color:var(--muted);
  padding:8px 0;
}
.topbar strong{color:#fff}
.topbar .note{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.topbar .note span{
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.topbar .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--brand-2), var(--brand));
  box-shadow:0 0 0 4px rgba(240,183,106,.12);
}
.header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(13,10,18,.78);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
}
.logo{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.logo-mark{
  width:42px;
  height:42px;
  border-radius:14px;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 40%),
    linear-gradient(135deg, rgba(212,106,139,.95), rgba(125,92,255,.92));
  box-shadow:0 12px 28px rgba(125,92,255,.24);
  position:relative;
  overflow:hidden;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:10px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.2);
}
.logo-text{
  display:flex;
  flex-direction:column;
  min-width:0;
}
.logo-text strong{
  font-size:16px;
  line-height:1.15;
  letter-spacing:.01em;
}
.logo-text span{
  font-size:12px;
  color:var(--muted);
}
.nav{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
}
.nav a{
  padding:10px 14px;
  border-radius:999px;
  color:var(--muted);
  border:1px solid transparent;
}
.nav a:hover,
.nav a:focus-visible,
.nav a.active{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.08);
  transform:translateY(-1px);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--line);
  border-radius:14px;
  background:rgba(255,255,255,.04);
  color:#fff;
  align-items:center;
  justify-content:center;
  box-shadow:var(--shadow-soft);
}
.nav-toggle svg{width:20px;height:20px}
.hero{
  position:relative;
  padding:34px 0 18px;
}
.hero-shell{
  position:relative;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  background:
    linear-gradient(135deg, rgba(16,11,21,.88), rgba(24,15,32,.72)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.hero-shell::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg, rgba(11,8,16,.84) 0%, rgba(11,8,16,.64) 48%, rgba(11,8,16,.28) 100%),
    radial-gradient(circle at 20% 10%, rgba(212,106,139,.32), transparent 18%),
    radial-gradient(circle at 82% 30%, rgba(240,183,106,.18), transparent 20%);
}
.hero-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.2fr .9fr;
  gap:28px;
  align-items:center;
  padding:44px;
  min-height:560px;
}
.hero-copy{
  max-width:720px;
}
.hero-copy .kicker{
  margin-bottom:16px;
}
.hero h1{
  margin:0;
  font-size:clamp(40px, 6vw, 72px);
  line-height:1.02;
  letter-spacing:-.04em;
}
.hero p{
  margin:18px 0 0;
  font-size:17px;
  color:rgba(246,241,248,.86);
  max-width:62ch;
}
.hero-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
  margin-top:28px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:48px;
  padding:0 18px;
  border-radius:14px;
  border:1px solid transparent;
  transition:transform var(--transition), background-color var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
  white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-primary{
  color:#1c1017;
  background:linear-gradient(135deg, #f5c48f, #d46a8b);
  box-shadow:0 16px 30px rgba(212,106,139,.22);
}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 20px 40px rgba(212,106,139,.28)}
.btn-secondary{
  color:#fff;
  background:rgba(255,255,255,.05);
  border-color:rgba(255,255,255,.11);
}
.btn-secondary:hover{transform:translateY(-2px); background:rgba(255,255,255,.08); border-color:rgba(255,255,255,.18)}
.btn-ghost{
  color:#f1e7f7;
  background:transparent;
  border-color:rgba(255,255,255,.1);
}
.btn-ghost:hover{background:rgba(255,255,255,.05); transform:translateY(-2px)}
.hero-points{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:14px;
  margin-top:26px;
}
.point{
  padding:14px 15px;
  border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
}
.point strong{
  display:block;
  font-size:14px;
  margin-bottom:4px;
}
.point span{
  color:var(--muted);
  font-size:13px;
}
.hero-visual{
  position:relative;
  min-height:440px;
  display:flex;
  align-items:center;
  justify-content:center;
}
.visual-card{
  width:min(100%, 420px);
  border-radius:28px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.04);
  box-shadow:var(--shadow);
  position:relative;
  transform:translateY(8px);
}
.visual-card img{
  width:100%;
  height:500px;
  object-fit:cover;
  filter:saturate(.92) contrast(1.02);
}
.visual-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 15%, rgba(11,8,16,.14) 60%, rgba(11,8,16,.8) 100%);
}
.visual-overlay{
  position:absolute;
  inset:auto 20px 20px 20px;
  z-index:1;
  padding:18px;
  border-radius:22px;
  background:rgba(13,10,18,.66);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.08);
}
.overlay-row{
  display:flex;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  margin-bottom:10px;
}
.overlay-row strong{
  font-size:16px;
}
.overlay-row span{
  color:var(--muted);
  font-size:13px;
}
.overlay-list{
  display:grid;
  gap:10px;
}
.overlay-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:10px 0;
  border-top:1px dashed rgba(255,255,255,.1);
}
.overlay-item:first-child{
  border-top:none;
  padding-top:0;
}
.overlay-item em{
  font-style:normal;
  color:var(--muted);
  font-size:13px;
}
.overlay-item b{
  color:#fff;
  font-weight:700;
}
.stats{
  margin-top:26px;
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:16px;
}
.stat{
  padding:18px 18px 16px;
  border-radius:20px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
}
.stat .num{
  font-size:24px;
  font-weight:800;
  letter-spacing:-.03em;
  color:#fff;
}
.stat .label{
  margin-top:6px;
  font-size:13px;
  color:var(--muted);
}
.grid-2{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:22px;
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:18px;
}
.grid-4{
  display:grid;
  grid-template-columns:repeat(4, minmax(0,1fr));
  gap:18px;
}
.card{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:var(--shadow-soft);
  transition:transform var(--transition), box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:0 20px 40px rgba(0,0,0,.34);
  border-color:rgba(255,255,255,.14);
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:#1a1224;
}
.card-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .45s ease, filter .45s ease;
}
.card:hover .card-media img{
  transform:scale(1.04);
  filter:saturate(1.04);
}
.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, transparent 24%, rgba(8,6,12,.18) 62%, rgba(8,6,12,.88) 100%);
}
.card-body{
  padding:18px 18px 20px;
}
.card-title{
  margin:0;
  font-size:18px;
  line-height:1.35;
}
.card-text{
  margin:10px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.8;
}
.meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  margin-top:14px;
  color:var(--soft);
  font-size:12px;
}
.meta .sep{
  width:4px;
  height:4px;
  border-radius:50%;
  background:rgba(255,255,255,.26);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:#ffe5bd;
  margin-top:16px;
  font-weight:700;
  font-size:14px;
}
.link-arrow svg{
  width:16px;
  height:16px;
  transition:transform var(--transition);
}
.card:hover .link-arrow svg,
.link-arrow:hover svg{
  transform:translateX(3px);
}
.promo{
  border-radius:var(--radius-lg);
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(135deg, rgba(212,106,139,.12), rgba(125,92,255,.10)),
    rgba(255,255,255,.03);
  overflow:hidden;
  position:relative;
}
.promo-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:18px;
  align-items:stretch;
  padding:22px;
}
.promo-media{
  border-radius:24px;
  overflow:hidden;
  min-height:260px;
  position:relative;
  border:1px solid rgba(255,255,255,.08);
}
.promo-media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.promo-copy{
  padding:14px 6px;
}
.promo-copy h3{
  margin:8px 0 0;
  font-size:28px;
  line-height:1.15;
}
.promo-copy p{
  margin:14px 0 0;
  color:var(--muted);
}
.promo-list{
  display:grid;
  gap:12px;
  margin-top:18px;
}
.promo-item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:12px 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.promo-item:first-child{border-top:none}
.promo-dot{
  width:10px;
  height:10px;
  margin-top:7px;
  border-radius:50%;
  background:linear-gradient(135deg, var(--brand), var(--brand-2));
  flex:0 0 auto;
}
.promo-item strong{
  display:block;
  font-size:14px;
  margin-bottom:3px;
}
.promo-item span{
  display:block;
  color:var(--muted);
  font-size:13px;
}
.section-banner{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(135deg, rgba(18,12,25,.94), rgba(26,18,35,.74)),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  box-shadow:var(--shadow);
}
.section-banner-inner{
  padding:34px;
  display:grid;
  grid-template-columns:1fr auto;
  gap:18px;
  align-items:center;
}
.section-banner h3{
  margin:0;
  font-size:28px;
  line-height:1.2;
}
.section-banner p{
  margin:10px 0 0;
  color:var(--muted);
}
.tag-cloud{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.04);
  color:#f8eef6;
  font-size:13px;
  transition:transform var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition);
}
.tag:hover{
  transform:translateY(-2px);
  background:rgba(255,255,255,.08);
  border-color:rgba(255,255,255,.14);
}
.list-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0,1fr));
  gap:16px;
}
.list-card{
  padding:18px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
}
.list-card h4{
  margin:10px 0 0;
  font-size:17px;
  line-height:1.45;
}
.list-card p{
  margin:10px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.75;
}
.list-card .meta{
  margin-top:12px;
}
.list-card .thumb{
  border-radius:16px;
  overflow:hidden;
  aspect-ratio:16/9;
  border:1px solid rgba(255,255,255,.08);
  background:#1d1326;
}
.list-card .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.faq-wrap{
  display:grid;
  gap:14px;
}
details.faq{
  border-radius:18px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.04);
}
details.faq[open]{
  background:rgba(255,255,255,.06);
}
details.faq summary{
  list-style:none;
  cursor:pointer;
  padding:18px 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  font-weight:700;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary .icon{
  width:28px;
  height:28px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
  color:#fff;
  flex:0 0 auto;
  transition:transform var(--transition), background-color var(--transition);
}
details.faq[open] summary .icon{
  transform:rotate(45deg);
  background:rgba(212,106,139,.18);
}
.faq-content{
  padding:0 20px 18px;
  color:var(--muted);
  font-size:14px;
}
.cta{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(135deg, rgba(212,106,139,.16), rgba(125,92,255,.10)),
    rgba(255,255,255,.03);
  box-shadow:var(--shadow);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:22px;
  padding:30px;
}
.cta h3{
  margin:0;
  font-size:28px;
  line-height:1.18;
}
.cta p{
  margin:10px 0 0;
  color:var(--muted);
  max-width:720px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex:0 0 auto;
}
.contact-grid{
  display:grid;
  grid-template-columns:1fr .95fr;
  gap:18px;
}
.form{
  padding:22px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}
.form .form-title{
  margin:0 0 8px;
  font-size:22px;
}
.form .form-desc{
  margin:0 0 18px;
  color:var(--muted);
}
.field{
  display:grid;
  gap:8px;
  margin-bottom:14px;
}
.field label{
  font-size:13px;
  color:#efe5f4;
}
.field input,
.field textarea{
  width:100%;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  background:rgba(10,7,14,.56);
  color:#fff;
  padding:13px 14px;
  transition:border-color var(--transition), box-shadow var(--transition), background-color var(--transition);
}
.field input::placeholder,
.field textarea::placeholder{
  color:#8f8099;
}
.field input:focus,
.field textarea:focus{
  border-color:rgba(240,183,106,.42);
  box-shadow:0 0 0 4px rgba(240,183,106,.12);
  background:rgba(10,7,14,.74);
  outline:none;
}
.field textarea{
  min-height:120px;
  resize:vertical;
}
.form .btn{
  width:100%;
}
.side-note{
  display:grid;
  gap:16px;
}
.side-panel{
  padding:22px;
  border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)),
    url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  position:relative;
  overflow:hidden;
}
.side-panel::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(13,10,18,.24), rgba(13,10,18,.88));
}
.side-panel > *{
  position:relative;
  z-index:1;
}
.side-panel h4{
  margin:0;
  font-size:20px;
}
.side-panel p{
  margin:10px 0 0;
  color:#f1e8f5;
}
.side-list{
  display:grid;
  gap:10px;
  margin-top:16px;
}
.side-list .side-row{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.08);
}
.side-row span{color:var(--muted); font-size:13px}
.side-row b{font-size:14px}
.footer{
  border-top:1px solid var(--line);
  background:rgba(10,8,14,.94);
  margin-top:16px;
}
.footer-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr .9fr;
  gap:22px;
  padding:36px 0 28px;
}
.footer h5{
  margin:0 0 12px;
  font-size:16px;
}
.footer p,
.footer a,
.footer li{
  color:var(--muted);
  font-size:14px;
}
.footer a:hover{color:#fff}
.footer-links{
  display:grid;
  gap:10px;
}
.footer-meta{
  border-top:1px solid var(--line);
  padding:14px 0 26px;
  color:var(--soft);
  font-size:13px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
}
.muted{color:var(--muted)}
.empty-state{
  padding:28px;
  border-radius:20px;
  border:1px dashed rgba(255,255,255,.14);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  text-align:center;
}
.content-list{
  display:grid;
  grid-template-columns:repeat(2, minmax(0,1fr));
  gap:16px;
}
.content-item{
  padding:18px;
  border-radius:18px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.08);
  transition:transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.content-item:hover{
  transform:translateY(-3px);
  border-color:rgba(255,255,255,.16);
  box-shadow:0 18px 38px rgba(0,0,0,.3);
}
.content-item h3{
  margin:10px 0 0;
  font-size:18px;
  line-height:1.45;
}
.content-item p{
  margin:10px 0 0;
  color:var(--muted);
  font-size:14px;
  line-height:1.78;
}
.content-item .topline{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:center;
  flex-wrap:wrap;
}
.content-item .meta{
  margin-top:14px;
}
.age-modal{
  position:fixed;
  inset:0;
  background:rgba(6,5,8,.72);
  backdrop-filter:blur(8px);
  display:none;
  align-items:center;
  justify-content:center;
  padding:20px;
  z-index:100;
}
.age-modal.show{display:flex}
.age-box{
  width:min(100%, 540px);
  border-radius:28px;
  padding:28px;
  border:1px solid rgba(255,255,255,.1);
  background:
    radial-gradient(circle at 20% 15%, rgba(212,106,139,.18), transparent 24%),
    linear-gradient(180deg, rgba(22,16,30,.96), rgba(14,10,19,.98));
  box-shadow:var(--shadow);
}
.age-box h2{
  margin:0;
  font-size:28px;
}
.age-box p{
  margin:12px 0 0;
  color:var(--muted);
}
.age-box .age-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  margin-top:22px;
}
.age-box .fineprint{
  margin-top:14px;
  color:var(--soft);
  font-size:12px;
}
.backdrop-grid{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:48px 48px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 85%);
  opacity:.25;
  pointer-events:none;
}
.small-muted{
  font-size:12px;
  color:var(--soft);
}
.inline-link{
  color:#ffe3bf;
  text-decoration:underline;
  text-underline-offset:3px;
}
.inline-link:hover{color:#fff}
.anchor{
  scroll-margin-top:96px;
}

@media (max-width: 1024px){
  .hero-grid,
  .promo-inner,
  .section-banner-inner,
  .contact-grid,
  .footer-inner{
    grid-template-columns:1fr;
  }
  .stats,
  .grid-4,
  .list-grid{
    grid-template-columns:repeat(2, minmax(0,1fr));
  }
  .grid-2{
    grid-template-columns:1fr;
  }
  .hero-grid{
    padding:34px;
    min-height:auto;
  }
  .visual-card img{
    height:420px;
  }
}

@media (max-width: 768px){
  :root{--header-h:68px}
  .topbar-inner{
    padding:9px 0;
    flex-direction:column;
    align-items:flex-start;
  }
  .header-inner{
    position:relative;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .nav{
    position:absolute;
    right:0;
    top:calc(100% + 10px);
    width:min(100vw - 28px, 420px);
    padding:12px;
    border-radius:18px;
    background:rgba(16,11,21,.97);
    border:1px solid rgba(255,255,255,.08);
    box-shadow:var(--shadow);
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .nav.open{display:flex}
  .nav a{
    width:100%;
    padding:12px 14px;
  }
  .hero{
    padding-top:22px;
  }
  .hero-grid{
    gap:18px;
    padding:22px;
  }
  .hero h1{
    font-size:clamp(34px, 11vw, 48px);
  }
  .hero p{
    font-size:15px;
  }
  .hero-points{
    grid-template-columns:1fr;
  }
  .stats,
  .grid-3,
  .grid-4,
  .content-list,
  .list-grid{
    grid-template-columns:1fr;
  }
  .section{
    padding:68px 0;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
  .cta-inner{
    flex-direction:column;
    align-items:flex-start;
  }
  .cta h3,
  .promo-copy h3,
  .section-banner h3{
    font-size:24px;
  }
  .logo-text span{
    display:none;
  }
}

@media (max-width: 520px){
  .container{
    width:min(var(--container), calc(100% - 22px));
  }
  .hero-shell{
    border-radius:22px;
  }
  .hero-grid,
  .promo-inner,
  .section-banner-inner,
  .cta-inner,
  .form,
  .side-panel{
    padding:18px;
  }
  .visual-card img{
    height:360px;
  }
  .card-body,
  .content-item,
  .list-card{
    padding:16px;
  }
  .btn{
    width:100%;
  }
  .hero-actions,
  .cta-actions,
  .age-box .age-actions{
    width:100%;
  }
  .hero-actions .btn,
  .cta-actions .btn,
  .age-box .age-actions .btn{
    width:100%;
  }
  .footer-inner{
    padding:30px 0 22px;
  }
}

/* roulang page: article */
:root{
      --bg:#0d0a12;
      --bg-2:#130e1b;
      --panel:rgba(25,18,34,.78);
      --panel-2:rgba(34,25,45,.86);
      --panel-3:rgba(20,14,28,.92);
      --line:rgba(255,255,255,.08);
      --line-2:rgba(255,255,255,.14);
      --text:#f6f1f8;
      --muted:#c9bccf;
      --soft:#9f90a9;
      --brand:#d46a8b;
      --brand-2:#f0b76a;
      --brand-3:#7d5cff;
      --ok:#61d2a6;
      --warn:#f4c76d;
      --danger:#ff7688;
      --shadow:0 18px 48px rgba(0,0,0,.38);
      --shadow-soft:0 10px 28px rgba(0,0,0,.22);
      --radius:20px;
      --radius-sm:14px;
      --radius-lg:28px;
      --container:1180px;
      --gap:24px;
      --header-h:76px;
      --transition:.25s ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Noto Sans SC","Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      background:
        radial-gradient(1200px 700px at 10% 0%, rgba(212,106,139,.14), transparent 50%),
        radial-gradient(900px 600px at 90% 8%, rgba(125,92,255,.14), transparent 45%),
        linear-gradient(180deg, #0b0810 0%, #100b14 40%, #0d0910 100%);
      min-height:100vh;
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(120deg, rgba(255,255,255,.03), transparent 35%, rgba(255,255,255,.02) 70%, transparent),
        radial-gradient(circle at 20% 20%, rgba(255,255,255,.025), transparent 25%),
        radial-gradient(circle at 80% 30%, rgba(255,255,255,.02), transparent 30%);
      mix-blend-mode:screen;
      opacity:.85;
      z-index:-1;
    }
    a{
      color:inherit;
      text-decoration:none;
      transition:color var(--transition), transform var(--transition), opacity var(--transition), border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
    }
    img{max-width:100%;display:block}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(240,183,106,.45);outline-offset:3px}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .section{padding:82px 0;position:relative}
    .section-tight{padding:52px 0}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:flex-end;
      gap:18px;
      margin-bottom:28px;
    }
    .section-title{
      margin:0;
      font-size:clamp(25px, 2.7vw, 38px);
      line-height:1.15;
      letter-spacing:-.02em;
    }
    .section-subtitle{
      margin:10px 0 0;
      color:var(--muted);
      max-width:760px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      font-size:12px;
      line-height:1;
      color:#fceff4;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.05);
      width:max-content;
      font-weight:600;
    }
    .badge.brand{background:linear-gradient(135deg, rgba(212,106,139,.25), rgba(125,92,255,.18));}
    .badge.warn{background:rgba(244,199,109,.14); color:#ffe8b4; border-color:rgba(244,199,109,.22);}
    .badge.ok{background:rgba(97,210,166,.13); color:#c7f7e7; border-color:rgba(97,210,166,.22);}
    .header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(13,10,18,.78);
      backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.07);
    }
    .header-inner{
      min-height:var(--header-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      flex:0 0 auto;
    }
    .logo:hover{transform:translateY(-1px)}
    .logo-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 40%),
        linear-gradient(135deg, rgba(212,106,139,.95), rgba(125,92,255,.92));
      box-shadow:0 12px 28px rgba(125,92,255,.24);
      position:relative;
      overflow:hidden;
    }
    .logo-mark::after{
      content:"";
      position:absolute;
      inset:10px;
      border-radius:10px;
      border:1px solid rgba(255,255,255,.2);
    }
    .logo-text{
      display:flex;
      flex-direction:column;
      min-width:0;
    }
    .logo-text strong{
      font-size:16px;
      line-height:1.15;
      letter-spacing:.01em;
    }
    .logo-text span{
      font-size:12px;
      color:var(--muted);
    }
    .nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex-wrap:wrap;
    }
    .nav a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
    }
    .nav a:hover,
    .nav a:focus-visible,
    .nav a.active{
      color:#fff;
      background:rgba(255,255,255,.05);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
    }
    .nav-toggle{
      display:none;
      width:44px;
      height:44px;
      border:1px solid var(--line);
      border-radius:14px;
      background:rgba(255,255,255,.04);
      color:#fff;
      align-items:center;
      justify-content:center;
      box-shadow:var(--shadow-soft);
    }
    .nav-toggle svg{width:20px;height:20px}

    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:9px;
      min-height:46px;
      padding:12px 18px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.1);
      color:#fff;
      background:rgba(255,255,255,.06);
      font-weight:700;
      letter-spacing:.01em;
      box-shadow:none;
    }
    .btn:hover{
      transform:translateY(-2px);
      border-color:rgba(240,183,106,.35);
      background:rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
      color:#fff;
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--brand), var(--brand-3));
      border-color:rgba(255,255,255,.12);
    }
    .btn-primary:hover{
      background:linear-gradient(135deg, #df7697, #886bff);
    }
    .btn-ghost{
      background:rgba(255,255,255,.045);
      color:#f8eef5;
    }
    .btn-block{width:100%}

    .article-hero{
      position:relative;
      padding:34px 0 0;
    }
    .article-banner{
      position:relative;
      overflow:hidden;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(110deg, rgba(12,8,16,.90), rgba(26,15,34,.68)),
        url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .article-banner::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(90deg, rgba(11,8,16,.92), rgba(11,8,16,.62) 58%, rgba(11,8,16,.24)),
        radial-gradient(circle at 22% 10%, rgba(212,106,139,.34), transparent 20%),
        radial-gradient(circle at 88% 22%, rgba(240,183,106,.18), transparent 24%);
    }
    .article-banner-inner{
      position:relative;
      z-index:1;
      min-height:360px;
      display:grid;
      grid-template-columns:1fr 320px;
      gap:34px;
      align-items:end;
      padding:42px;
    }
    .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      gap:9px;
      align-items:center;
      margin:0 0 18px;
      color:var(--muted);
      font-size:14px;
    }
    .breadcrumb a{
      color:#f5d7e1;
      border-bottom:1px solid transparent;
    }
    .breadcrumb a:hover{
      color:#fff;
      border-color:rgba(240,183,106,.38);
    }
    .breadcrumb span{color:var(--soft)}
    .article-title{
      margin:0;
      max-width:900px;
      font-size:clamp(32px, 5vw, 58px);
      line-height:1.08;
      letter-spacing:-.04em;
      word-break:break-word;
    }
    .article-desc{
      margin:18px 0 0;
      color:rgba(246,241,248,.85);
      font-size:16px;
      max-width:840px;
    }
    .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:24px;
    }
    .banner-card{
      align-self:stretch;
      min-height:240px;
      border-radius:24px;
      border:1px solid rgba(255,255,255,.12);
      background:rgba(255,255,255,.065);
      backdrop-filter:blur(10px);
      padding:20px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:var(--shadow-soft);
    }
    .banner-card img{
      width:100%;
      aspect-ratio:4/3;
      object-fit:cover;
      border-radius:18px;
      opacity:.88;
      filter:saturate(.95) contrast(1.04);
    }
    .banner-card p{
      margin:16px 0 0;
      color:var(--muted);
      font-size:14px;
    }

    .article-layout{
      display:grid;
      grid-template-columns:minmax(0, 1fr) 330px;
      gap:30px;
      align-items:start;
      padding-top:38px;
      padding-bottom:34px;
    }
    .article-main{
      min-width:0;
    }
    .notice{
      display:flex;
      gap:14px;
      align-items:flex-start;
      padding:16px 18px;
      border-radius:18px;
      border:1px solid rgba(244,199,109,.22);
      background:linear-gradient(135deg, rgba(244,199,109,.12), rgba(212,106,139,.08));
      color:#ffe8c0;
      margin-bottom:22px;
    }
    .notice-icon{
      width:34px;
      height:34px;
      border-radius:12px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      flex:0 0 auto;
      background:rgba(244,199,109,.16);
      border:1px solid rgba(244,199,109,.20);
      font-weight:900;
    }
    .notice p{margin:0;color:#f8dfba;font-size:14px}

    .article-card{
      border:1px solid rgba(255,255,255,.08);
      background:linear-gradient(180deg, rgba(25,18,34,.88), rgba(18,13,25,.82));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .article-cover{
      position:relative;
      overflow:hidden;
      border-bottom:1px solid rgba(255,255,255,.08);
    }
    .article-cover img{
      width:100%;
      aspect-ratio:16/7;
      object-fit:cover;
      opacity:.76;
      filter:saturate(.9) contrast(1.02);
    }
    .article-cover::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 38%, rgba(13,10,18,.82));
    }
    .article-content{
      padding:34px;
      color:#eee5f2;
      font-size:17px;
      word-break:break-word;
    }
    .article-content h2,
    .article-content h3,
    .article-content h4{
      color:#fff;
      line-height:1.28;
      letter-spacing:-.02em;
      margin:34px 0 14px;
    }
    .article-content h2{
      font-size:clamp(24px, 2.4vw, 32px);
      padding-left:14px;
      border-left:4px solid var(--brand);
    }
    .article-content h3{font-size:22px}
    .article-content h4{font-size:19px}
    .article-content p{margin:0 0 18px;color:#e8dde8}
    .article-content a{
      color:#ffd38a;
      border-bottom:1px solid rgba(240,183,106,.35);
    }
    .article-content a:hover{color:#fff;border-color:#fff}
    .article-content ul,
    .article-content ol{
      margin:0 0 20px 0;
      padding-left:22px;
      color:#e8dde8;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:26px 0;
      padding:18px 20px;
      border-left:4px solid var(--brand-2);
      border-radius:0 18px 18px 0;
      background:rgba(240,183,106,.10);
      color:#ffe6bd;
    }
    .article-content img{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.10);
      box-shadow:var(--shadow-soft);
      margin:24px auto;
    }
    .article-content hr{
      border:0;
      height:1px;
      background:rgba(255,255,255,.10);
      margin:32px 0;
    }
    .not-found{
      padding:52px 24px;
      text-align:center;
      border:1px dashed rgba(255,255,255,.18);
      border-radius:var(--radius);
      background:rgba(255,255,255,.035);
    }
    .not-found h2{
      margin:0 0 12px;
      font-size:28px;
    }
    .not-found p{
      margin:0 0 22px;
      color:var(--muted);
    }

    .article-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:space-between;
      margin-top:22px;
      padding:18px;
      border-radius:22px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.04);
    }

    .sidebar{
      display:grid;
      gap:18px;
      position:sticky;
      top:96px;
    }
    .side-card{
      border:1px solid rgba(255,255,255,.08);
      background:rgba(25,18,34,.74);
      border-radius:var(--radius);
      padding:20px;
      box-shadow:var(--shadow-soft);
    }
    .side-card h3{
      margin:0 0 14px;
      font-size:18px;
      line-height:1.25;
    }
    .side-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .info-list{
      list-style:none;
      padding:0;
      margin:0;
      display:grid;
      gap:10px;
    }
    .info-list li{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:11px 0;
      border-bottom:1px solid rgba(255,255,255,.07);
      color:var(--muted);
      font-size:14px;
    }
    .info-list li:last-child{border-bottom:0}
    .info-list strong{color:#fff;font-weight:700}
    .tag-cloud{
      display:flex;
      gap:10px;
      flex-wrap:wrap;
    }
    .chip{
      display:inline-flex;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.045);
      color:#eadfea;
      font-size:13px;
    }
    .chip:hover{
      color:#fff;
      transform:translateY(-1px);
      border-color:rgba(240,183,106,.28);
      background:rgba(240,183,106,.10);
    }
    .mini-list{
      display:grid;
      gap:14px;
    }
    .mini-item{
      display:grid;
      grid-template-columns:78px 1fr;
      gap:12px;
      align-items:center;
      padding:10px;
      margin:0 -10px;
      border-radius:16px;
    }
    .mini-item:hover{
      background:rgba(255,255,255,.045);
      transform:translateY(-1px);
    }
    .mini-item img{
      width:78px;
      height:58px;
      object-fit:cover;
      border-radius:13px;
      border:1px solid rgba(255,255,255,.08);
      opacity:.86;
    }
    .mini-item strong{
      display:block;
      color:#fff;
      font-size:14px;
      line-height:1.35;
      margin-bottom:4px;
    }
    .mini-item span{
      display:block;
      color:var(--soft);
      font-size:12px;
    }

    .recommend-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:18px;
    }
    .rec-card{
      overflow:hidden;
      border-radius:var(--radius);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(25,18,34,.72);
      box-shadow:var(--shadow-soft);
    }
    .rec-card:hover{
      transform:translateY(-4px);
      border-color:rgba(240,183,106,.24);
      box-shadow:var(--shadow);
    }
    .rec-card img{
      width:100%;
      aspect-ratio:16/10;
      object-fit:cover;
      opacity:.82;
    }
    .rec-card-body{
      padding:18px;
    }
    .rec-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.35;
    }
    .rec-card p{
      margin:0 0 14px;
      color:var(--muted);
      font-size:14px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .rec-meta{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:12px;
      color:var(--soft);
      font-size:12px;
    }

    .faq-grid{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.08);
      background:rgba(25,18,34,.72);
      border-radius:18px;
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      border:0;
      color:#fff;
      background:transparent;
      padding:18px 20px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      text-align:left;
      font-weight:800;
    }
    .faq-question span:last-child{
      width:28px;
      height:28px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:50%;
      background:rgba(255,255,255,.06);
      color:#ffd38a;
      flex:0 0 auto;
      transition:transform var(--transition);
    }
    .faq-answer{
      max-height:0;
      overflow:hidden;
      transition:max-height .28s ease;
    }
    .faq-answer p{
      margin:0;
      padding:0 20px 18px;
      color:var(--muted);
      font-size:14px;
    }
    .faq-item.open .faq-answer{max-height:180px}
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg)}

    .cta-panel{
      display:grid;
      grid-template-columns:1fr auto;
      gap:22px;
      align-items:center;
      padding:30px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(255,255,255,.10);
      background:
        linear-gradient(135deg, rgba(212,106,139,.18), rgba(125,92,255,.14)),
        rgba(25,18,34,.78);
      box-shadow:var(--shadow);
    }
    .cta-panel h2{
      margin:0;
      font-size:clamp(24px, 2.8vw, 36px);
      line-height:1.2;
    }
    .cta-panel p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:760px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      justify-content:flex-end;
    }

    .footer{
      border-top:1px solid rgba(255,255,255,.08);
      background:rgba(8,6,11,.84);
      padding:48px 0 22px;
      color:var(--muted);
      margin-top:54px;
    }
    .footer-inner{
      display:grid;
      grid-template-columns:1.2fr .75fr .85fr;
      gap:34px;
    }
    .footer h5{
      margin:0 0 14px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{
      display:grid;
      gap:9px;
    }
    .footer-links a:hover{
      color:#fff;
      transform:translateX(2px);
    }
    .footer-meta{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding-top:22px;
      margin-top:30px;
      border-top:1px solid rgba(255,255,255,.08);
      font-size:13px;
      color:var(--soft);
    }

    @media (max-width:1024px){
      :root{--header-h:68px}
      .article-banner-inner{
        grid-template-columns:1fr;
        min-height:auto;
      }
      .banner-card{
        max-width:520px;
      }
      .article-layout{
        grid-template-columns:1fr;
      }
      .sidebar{
        position:static;
        grid-template-columns:repeat(2, 1fr);
      }
      .side-card.full{
        grid-column:1 / -1;
      }
      .recommend-grid{
        grid-template-columns:repeat(2, 1fr);
      }
    }
    @media (max-width:768px){
      .container{width:min(100% - 24px, var(--container))}
      .section{padding:60px 0}
      .section-head{
        display:block;
      }
      .nav-toggle{display:inline-flex}
      .nav{
        position:absolute;
        top:calc(100% + 1px);
        left:12px;
        right:12px;
        display:none;
        padding:12px;
        border:1px solid rgba(255,255,255,.08);
        border-radius:18px;
        background:rgba(16,11,22,.96);
        box-shadow:var(--shadow);
      }
      .nav.open{
        display:grid;
        grid-template-columns:1fr 1fr;
      }
      .nav a{
        text-align:center;
        padding:12px 10px;
      }
      .article-hero{padding-top:18px}
      .article-banner-inner{
        padding:28px;
      }
      .article-title{
        font-size:clamp(30px, 8.8vw, 44px);
      }
      .article-content{
        padding:24px;
        font-size:16px;
      }
      .article-cover img{aspect-ratio:16/9}
      .sidebar{
        grid-template-columns:1fr;
      }
      .cta-panel{
        grid-template-columns:1fr;
      }
      .cta-actions{
        justify-content:flex-start;
      }
      .footer-inner{
        grid-template-columns:1fr;
      }
      .footer-meta{
        flex-direction:column;
      }
    }
    @media (max-width:520px){
      .logo-text strong{font-size:14px}
      .logo-text span{font-size:11px}
      .logo-mark{width:38px;height:38px;border-radius:13px}
      .nav.open{grid-template-columns:1fr}
      .article-banner-inner{padding:22px}
      .article-meta{gap:8px}
      .badge{font-size:11px}
      .notice{
        flex-direction:column;
      }
      .article-actions{
        display:grid;
      }
      .article-actions .btn{
        width:100%;
      }
      .recommend-grid{
        grid-template-columns:1fr;
      }
      .mini-item{
        grid-template-columns:72px 1fr;
      }
      .mini-item img{
        width:72px;
        height:54px;
      }
      .cta-actions .btn{
        width:100%;
      }
    }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}