/* roulang page: index */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --container:1200px;
  --sec-py:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  color:var(--text-600);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;line-height:1.35;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
a{color:var(--violet-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--violet-500);}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
table{border-collapse:collapse;width:100%;}
input,button,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-py) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:30px;letter-spacing:-.3px;}
.section-head .sub{margin-top:8px;color:var(--text-400);font-size:14.5px;line-height:1.7;}
.section-link{font-size:14.5px;font-weight:600;white-space:nowrap;color:var(--violet-600);}
.section-link:hover{color:var(--violet-500);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;border-radius:999px;background:var(--violet-50);color:var(--violet-600);font-size:13px;font-weight:600;letter-spacing:.2px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  border:1.5px solid transparent;font-size:15.5px;font-weight:600;
  cursor:pointer;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(0);}
.btn-gold{background:var(--gold-500);color:var(--text-900);box-shadow:0 8px 20px -12px rgba(242,168,29,.9);}
.btn-gold:hover{background:var(--gold-400);color:var(--text-900);transform:translateY(-1px);box-shadow:0 12px 24px -12px rgba(242,168,29,.95);}
.btn-outline{background:transparent;border-color:var(--violet-600);color:var(--violet-600);}
.btn-outline:hover{background:var(--violet-50);color:var(--violet-600);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-sm{height:40px;padding:0 18px;font-size:14.5px;border-radius:10px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.btn:disabled,.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(247,246,242,.94);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(150deg,var(--violet-600),var(--ink-900));
  display:flex;align-items:center;justify-content:center;color:var(--gold-400);
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{font-size:16.5px;font-weight:700;color:var(--text-900);letter-spacing:.2px;}
.logo-text em{font-style:normal;font-size:12.5px;color:var(--text-400);letter-spacing:.4px;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 12px;
  font-size:14.8px;font-weight:500;color:var(--text-600);white-space:nowrap;
}
.nav-link:hover{color:var(--violet-600);}
.nav-link.active{color:var(--violet-600);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:14px;height:2px;
  background:var(--gold-500);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;background:var(--surface);
  border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(74,47,168,.12);}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--text-400);pointer-events:none;}
.nav-search input{
  width:100%;height:100%;border:0;background:transparent;border-radius:10px;
  padding:0 12px 0 36px;font-size:14px;color:var(--text-900);
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-login{
  background:none;border:0;padding:0;cursor:pointer;
  font-size:14.8px;font-weight:500;color:var(--text-600);
  transition:color .18s ease;
}
.nav-login:hover{color:var(--violet-600);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover{border-color:var(--violet-100);background:var(--violet-50);}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:400;pointer-events:none;}
.drawer-mask{position:absolute;inset:0;background:rgba(20,17,31,.55);opacity:0;transition:opacity .22s ease;}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;width:min(88vw,360px);
  background:var(--surface);padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(102%);transition:transform .26s ease;overflow-y:auto;
}
body.drawer-open .drawer{pointer-events:auto;}
body.drawer-open .drawer-mask{opacity:1;}
body.drawer-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);
  font-size:20px;color:var(--text-600);cursor:pointer;line-height:1;
}
.drawer-close:hover{background:var(--violet-50);color:var(--violet-600);}
.drawer-search{display:flex;align-items:center;height:44px;border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:0 12px;gap:8px;}
.drawer-search input{flex:1;border:0;background:transparent;font-size:14.5px;outline:none;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 4px;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--text-900);font-weight:500;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--violet-600);}
.drawer-nav a span{color:var(--text-400);font-size:13px;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;margin-top:auto;padding-top:16px;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:#fff;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 18% 22%,rgba(242,168,29,.16),transparent 42%),
                   radial-gradient(circle at 78% 12%,rgba(74,47,168,.42),transparent 46%);
  opacity:.9;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:26px 26px;opacity:.4;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
          mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 78%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.38fr 1fr;gap:56px;align-items:center;
  padding:76px 0 84px;min-height:520px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;
  border-radius:999px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13px;font-weight:500;
}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);box-shadow:0 0 0 4px rgba(47,200,168,.16);flex-shrink:0;}
.hero h1{
  margin:20px 0 18px;color:#fff;font-size:46px;line-height:1.28;letter-spacing:-.6px;
}
.hero h1 .hl{color:var(--gold-400);}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;}
.hero-stat strong{
  display:block;font-size:28px;font-weight:700;color:var(--gold-400);
  line-height:1.25;letter-spacing:-.5px;
}
.hero-stat span{font-size:13.5px;color:rgba(255,255,255,.6);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  border:1px solid rgba(255,255,255,.12);background:var(--ink-700);
}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  background:linear-gradient(160deg,rgba(20,17,31,.28),rgba(20,17,31,.66));
  pointer-events:none;
}
.hero-float{
  position:absolute;left:16px;bottom:16px;z-index:3;
  display:flex;align-items:center;gap:10px;
  padding:11px 15px;border-radius:14px;
  background:rgba(20,17,31,.72);border:1px solid rgba(255,255,255,.14);
  backdrop-filter:blur(6px);
}
.hero-float strong{display:block;font-size:13.5px;color:#fff;line-height:1.4;}
.hero-float span{font-size:12px;color:rgba(255,255,255,.62);}
.hero-chip{
  position:absolute;right:16px;top:16px;z-index:3;
  height:26px;padding:0 12px;display:inline-flex;align-items:center;border-radius:999px;
  background:rgba(242,168,29,.92);color:var(--text-900);font-size:12.5px;font-weight:700;letter-spacing:.4px;
}

/* ---------- metric bar ---------- */
.metrics{padding:0 0 4px;margin-top:-34px;position:relative;z-index:5;}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--surface);border:1px solid var(--line);border-radius:18px;
  box-shadow:var(--shadow-1);overflow:hidden;
}
.metric{display:flex;align-items:center;gap:14px;padding:22px 24px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric-icon{
  width:42px;height:42px;border-radius:12px;flex-shrink:0;
  background:var(--violet-50);color:var(--violet-600);
  display:flex;align-items:center;justify-content:center;
}
.metric-icon svg{width:20px;height:20px;}
.metric strong{display:block;font-size:19px;font-weight:700;color:var(--text-900);line-height:1.35;}
.metric span{font-size:13px;color:var(--text-400);}

/* ---------- plans ---------- */
.plans{
  position:relative;overflow:hidden;
  background:var(--ink-900);color:rgba(255,255,255,.72);
}
.plans::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 84% 16%,rgba(74,47,168,.45),transparent 46%),
                   radial-gradient(circle at 8% 82%,rgba(47,200,168,.12),transparent 44%);
  pointer-events:none;
}
.plans .container{position:relative;z-index:2;}
.plans .section-head h2{color:#fff;}
.plans .section-head .sub{color:rgba(255,255,255,.6);}
.plans .section-link{color:var(--gold-400);}
.plans .section-link:hover{color:var(--gold-500);}
.plan-table{
  border:1px solid rgba(255,255,255,.1);border-radius:18px;overflow:hidden;
  background:rgba(255,255,255,.03);
}
.plan-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;align-items:stretch;}
.plan-row + .plan-row{border-top:1px solid rgba(255,255,255,.08);}
.plan-row.head{background:rgba(255,255,255,.05);}
.plan-cell{padding:18px 22px;display:flex;align-items:center;font-size:14.5px;line-height:1.6;border-right:1px solid rgba(255,255,255,.07);}
.plan-cell:last-child{border-right:0;}
.plan-cell.item{color:rgba(255,255,255,.72);font-weight:500;}
.plan-cell.item small{display:block;color:rgba(255,255,255,.42);font-size:12.5px;font-weight:400;margin-top:2px;}
.plan-head{display:flex;flex-direction:column;gap:4px;align-items:flex-start;}
.plan-head strong{font-size:15.5px;color:#fff;font-weight:700;}
.plan-price{font-size:24px;font-weight:700;color:var(--gold-400);letter-spacing:-.5px;line-height:1.3;}
.plan-price i{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.5);font-weight:400;margin-left:2px;}
.plan-row .col-recommend{background:rgba(242,168,29,.07);position:relative;}
.plan-tag{
  position:absolute;top:-1px;right:14px;
  height:22px;padding:0 10px;display:inline-flex;align-items:center;
  border-radius:0 0 8px 8px;background:var(--gold-500);color:var(--text-900);
  font-size:11.5px;font-weight:700;letter-spacing:.4px;
}
.check{display:inline-flex;align-items:center;gap:8px;color:#fff;font-size:14px;}
.check svg{width:16px;height:16px;color:var(--aurora-500);flex-shrink:0;}
.dash{color:rgba(255,255,255,.24);font-size:15px;}
.plan-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:26px;padding:18px 22px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.09);
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.plan-foot .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- tier axis ---------- */
.tier-axis{position:relative;margin:0 0 54px;}
.tier-axis .line{height:1px;background:var(--line);position:absolute;left:0;right:0;top:13px;}
.tier-nodes{position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.tier-node{display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.tier-node .dot{width:12px;height:12px;border-radius:50%;background:var(--gold-500);box-shadow:0 0 0 5px var(--paper);margin-top:7px;}
.tier-node b{font-size:15px;color:var(--text-900);font-weight:700;}
.tier-node small{font-size:13px;color:var(--text-400);}
.tier-list{display:flex;flex-direction:column;gap:44px;}
.tier-item{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.tier-item:nth-child(even) .tier-media{order:2;}
.tier-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-card);box-shadow:var(--shadow-1);}
.tier-index{font-size:32px;font-weight:700;color:var(--gold-500);line-height:1;letter-spacing:-1px;margin-bottom:10px;}
.tier-body h3{font-size:21px;margin-bottom:10px;}
.tier-body p{font-size:15.5px;color:var(--text-600);margin-bottom:14px;}
.tier-points{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.tier-points li{display:flex;gap:9px;align-items:flex-start;font-size:14.5px;color:var(--text-600);}
.tier-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--violet-600);margin-top:10px;flex-shrink:0;}

/* ---------- preview grid ---------- */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:212px;gap:20px;}
.pv-card{
  position:relative;display:block;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);background:var(--violet-50);box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.pv-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--violet-100);}
.pv-card.pv-lg{grid-column:span 2;grid-row:span 2;}
.pv-card img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.pv-shade{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,31,.06) 24%,rgba(20,17,31,.82) 100%);
  transition:opacity .2s ease;
}
.pv-card.is-locked .pv-shade{background:linear-gradient(180deg,rgba(20,17,31,.34),rgba(20,17,31,.9));}
.pv-card.is-locked:hover .pv-shade{opacity:.78;}
.pv-meta{position:absolute;left:18px;right:18px;bottom:16px;color:#fff;}
.pv-meta h3{color:#fff;font-size:16.5px;line-height:1.45;margin-bottom:5px;}
.pv-lg .pv-meta h3{font-size:20px;}
.pv-meta span{font-size:12.5px;color:rgba(255,255,255,.66);}
.pv-badge{
  position:absolute;top:14px;right:14px;
  height:24px;padding:0 10px;display:inline-flex;align-items:center;gap:5px;
  border-radius:999px;background:rgba(20,17,31,.68);border:1px solid rgba(255,255,255,.2);
  color:#fff;font-size:11.5px;font-weight:500;
}
.pv-badge svg{width:11px;height:11px;}

/* ---------- news / cms ---------- */
.news{background:var(--paper);}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--violet-100);}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--violet-50);color:var(--violet-600);font-size:12.5px;font-weight:600;
}
.news-meta time{font-size:12.5px;color:var(--text-400);}
.news-card h3{font-size:17.5px;line-height:1.5;margin-bottom:8px;transition:color .18s ease;}
.news-card:hover h3{color:var(--violet-600);}
.news-card p{font-size:14.5px;color:var(--text-600);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;}
.news-more{font-size:13.5px;font-weight:600;color:var(--violet-600);display:inline-flex;align-items:center;gap:6px;}
.news-card:hover .news-more{gap:10px;}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;
  padding:48px 24px;border:1.5px dashed var(--violet-100);border-radius:var(--radius-card);
  background:var(--violet-50);
}
.empty-state svg{width:34px;height:34px;color:var(--violet-600);}
.empty-state p{font-size:14.5px;color:var(--text-600);margin:0;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-intro h2{font-size:30px;margin-bottom:14px;}
.faq-intro p{font-size:15px;color:var(--text-600);margin-bottom:20px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--violet-100);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 20px;font-size:15.5px;font-weight:600;color:var(--text-900);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;line-height:1;color:var(--violet-600);flex-shrink:0;
  transition:transform .18s ease,color .18s ease;
}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--gold-500),var(--shadow-1);border-color:var(--violet-100);}
.faq-item[open] summary{color:var(--violet-600);}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 20px 18px;font-size:14.8px;line-height:1.9;color:var(--text-600);}

/* ---------- cta band ---------- */
.cta-final{
  position:relative;overflow:hidden;background:var(--ink-900);color:#fff;text-align:center;
}
.cta-final::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.22;
}
.cta-final::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,31,.72),rgba(20,17,31,.94));
}
.cta-final .container{position:relative;z-index:2;padding:82px 24px;}
.cta-final h2{color:#fff;font-size:32px;margin-bottom:14px;}
.cta-final p{color:rgba(255,255,255,.72);font-size:16px;max-width:600px;margin:0 auto 30px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;align-items:center;}
.cta-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.5);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);position:relative;overflow:hidden;}
.site-footer::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,168,29,.5),transparent);
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 44px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.45);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:300px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--gold-500);text-underline-offset:4px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.55);}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .hero h1{font-size:40px;}
}
@media (max-width:1023px){
  :root{--sec-py:64px;}
  .nav-main,.nav-search,.nav-login,.nav-tools .btn-gold{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:64px;justify-content:space-between;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding:56px 0 72px;min-height:0;}
  .hero h1{font-size:36px;}
  .hero-visual{max-width:520px;}
  .metrics{margin-top:-24px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .tier-item{grid-template-columns:1fr;gap:24px;}
  .tier-item:nth-child(even) .tier-media{order:0;}
  .preview-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:186px;}
  .pv-card.pv-lg{grid-column:span 2;grid-row:span 1;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .plan-row{grid-template-columns:1.2fr 1fr 1fr 1fr;}
  .plan-cell{padding:14px 14px;font-size:13.5px;}
  .plan-price{font-size:20px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .hero h1{font-size:30px;letter-spacing:-.3px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions{gap:12px;margin-bottom:28px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:26px;}
  .hero-stat strong{font-size:23px;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .plan-row{grid-template-columns:1fr;}
  .plan-row + .plan-row{border-top:0;}
  .plan-row.head{display:none;}
  .plan-table{border:0;background:transparent;display:flex;flex-direction:column;gap:18px;}
  .plan-row:not(.head){
    display:flex;flex-direction:column;
    background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);
    border-radius:16px;overflow:hidden;
  }
  .plan-cell{border-right:0;border-bottom:1px solid rgba(255,255,255,.07);}
  .plan-cell:last-child{border-bottom:0;}
  .plan-cell.item{background:rgba(255,255,255,.04);font-size:13.5px;}
  .plan-row .col-recommend{background:rgba(242,168,29,.07);}
  .tier-nodes{grid-template-columns:1fr;gap:18px;}
  .tier-axis .line{display:none;}
  .news-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;grid-auto-rows:196px;gap:14px;}
  .pv-card.pv-lg{grid-column:span 1;}
  .cta-final h2{font-size:24px;}
  .cta-final .container{padding:60px 20px;}
  .cta-actions .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .plan-foot{flex-direction:column;align-items:flex-start;}
}
@media (max-width:480px){
  .hero h1{font-size:26px;}
  .hero-stats{width:100%;justify-content:space-between;gap:14px;}
  .news-card{padding:18px;}
  .faq-item summary{font-size:15px;padding:15px 16px;}
  .faq-body{padding:0 16px 16px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --danger:#D9534F;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--violet-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--violet-500)}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:-.2px}
.section-head p{margin-top:12px;color:var(--text-600);font-size:16px;line-height:1.85}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--violet-600);letter-spacing:.06em;text-transform:uppercase}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,246,242,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-900);flex:none}
.logo:hover{color:var(--text-900)}
.logo-mark{
  width:36px;height:36px;flex:none;display:grid;place-items:center;
  border-radius:11px;background:var(--ink-900);color:var(--gold-500);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16.5px;font-weight:700;letter-spacing:.02em}
.logo-text em{font-size:11.5px;font-style:normal;color:var(--text-400);letter-spacing:.08em;margin-top:3px}
.nav-main{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--text-600);white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--violet-600);background:var(--violet-50)}
.nav-link.active{color:var(--violet-600);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--gold-500);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:10px;flex:none}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{
  position:absolute;left:12px;width:16px;height:16px;color:var(--text-400);pointer-events:none;
}
.nav-search input{
  width:212px;height:40px;padding:0 14px 0 36px;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);
  font-size:14px;color:var(--text-900);transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search input:focus{
  outline:none;border-color:var(--violet-500);box-shadow:0 0 0 4px rgba(74,47,168,.12);
}
.nav-login{
  padding:8px 10px;border-radius:10px;font-size:14.5px;font-weight:500;color:var(--text-600);
  transition:color .18s ease,background .18s ease;
}
.nav-login:hover{color:var(--violet-600);background:var(--violet-50)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,17,31,.55);opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;z-index:70;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1.2;white-space:nowrap;
  border:1.5px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none}
.btn-gold{background:var(--gold-500);color:var(--text-900);box-shadow:0 6px 16px -8px rgba(242,168,29,.9)}
.btn-gold:hover{background:var(--gold-400);color:var(--text-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline{background:transparent;color:var(--violet-600);border-color:var(--violet-600)}
.btn-outline:hover{background:var(--violet-50);color:var(--violet-600);transform:translateY(-1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 11px;border-radius:999px;
  font-size:13px;font-weight:600;line-height:1;
}
.badge-violet{background:var(--violet-100);color:var(--violet-600)}
.badge-gold{background:var(--gold-500);color:var(--text-900)}
.badge-live{background:rgba(47,200,168,.14);color:#146c5a}
.badge-live .dot{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);flex:none}
.badge-dark{background:rgba(20,17,31,.62);color:#fff;backdrop-filter:blur(4px)}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--ink-900);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(20,17,31,.92) 8%,rgba(20,17,31,.76) 52%,rgba(20,17,31,.42) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:60px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.62);margin-bottom:22px}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:var(--gold-400)}
.crumbs span.sep{color:rgba(255,255,255,.35)}
.page-hero h1{
  font-size:46px;line-height:1.24;font-weight:700;letter-spacing:-.5px;margin-top:16px;
  max-width:900px;
}
.page-hero h1 .hl{color:var(--gold-400)}
.page-hero .lead{
  margin-top:18px;max-width:720px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);
}
.hero-facts{display:flex;flex-wrap:wrap;gap:34px;margin-top:36px}
.hero-facts .fact{min-width:120px}
.hero-facts .fact b{display:block;font-size:26px;font-weight:700;color:var(--gold-400);line-height:1.2}
.hero-facts .fact span{display:block;margin-top:4px;font-size:13.5px;color:rgba(255,255,255,.66)}

/* ---------- Category switch ---------- */
.cat-switch-wrap{background:var(--surface);border-bottom:1px solid var(--line)}
.cat-switch{
  display:flex;gap:10px;padding:18px 0;overflow-x:auto;scrollbar-width:none;
}
.cat-switch::-webkit-scrollbar{display:none}
.cat-pill{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;
  background:var(--violet-50);color:var(--violet-600);font-size:14px;font-weight:600;
  white-space:nowrap;border:1px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.cat-pill:hover{background:var(--violet-100);color:var(--violet-600);transform:translateY(-1px)}
.cat-pill.current{background:var(--violet-600);color:#fff}
.cat-pill.current:hover{background:var(--violet-500);color:#fff}

/* ---------- Stream list ---------- */
.stream-list{border-top:1px solid var(--line)}
.stream-item{
  display:grid;grid-template-columns:200px 1fr;gap:26px;
  padding:30px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.stream-item:hover{background:rgba(241,237,251,.42)}
.stream-thumb{
  position:relative;border-radius:var(--radius-img);overflow:hidden;background:var(--violet-50);
  aspect-ratio:16/10;box-shadow:var(--shadow-1);
}
.stream-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease}
.stream-item:hover .stream-thumb img{transform:scale(1.03)}
.stream-thumb .badge{position:absolute;left:10px;top:10px}
.stream-body h3{font-size:20px;line-height:1.45;font-weight:700;margin-bottom:8px}
.stream-body h3 a{color:var(--text-900)}
.stream-item:hover .stream-body h3 a{color:var(--violet-600)}
.stream-body p{color:var(--text-600);font-size:15.5px;line-height:1.85;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.stream-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13.5px;color:var(--text-400)}
.stream-meta .go{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--violet-600);
  transition:transform .18s ease;
}
.stream-item:hover .stream-meta .go{transform:translateX(4px)}

/* ---------- Check strip ---------- */
.check-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.check-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:box-shadow .2s ease,border-color .2s ease,transform .2s ease;
}
.check-card:hover{box-shadow:var(--shadow-2);border-color:var(--violet-100);transform:translateY(-2px)}
.check-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;background:var(--violet-50);color:var(--violet-600);
  font-size:14px;font-weight:700;margin-bottom:14px;
}
.check-card h3{font-size:18px;font-weight:700;margin-bottom:8px}
.check-card p{font-size:15px;color:var(--text-600);line-height:1.85}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-1)}
.faq-item summary{
  display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text-900);
  cursor:pointer;list-style:none;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:20px;font-weight:500;color:var(--violet-600);
  line-height:1;transition:transform .18s ease;
}
.faq-item[open]{border-color:var(--violet-100);box-shadow:var(--shadow-2)}
.faq-item[open] summary{color:var(--violet-600);border-left:3px solid var(--gold-500)}
.faq-item[open] summary::after{content:"−"}
.faq-answer{padding:0 24px 22px;color:var(--text-600);font-size:15.5px;line-height:1.9}

/* ---------- CTA bar ---------- */
.cta-bar{background:var(--violet-50);border-top:1px solid var(--line)}
.cta-bar .container{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding-top:38px;padding-bottom:38px;
}
.cta-bar h2{font-size:24px;font-weight:700;line-height:1.4}
.cta-bar p{margin-top:8px;color:var(--text-600);font-size:15px}
.cta-bar .btn{flex:none}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:66px 0 26px;position:relative;overflow:hidden}
.site-footer::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,168,29,.5),transparent);opacity:.5;
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .logo{color:#fff}
.footer-brand .logo:hover{color:#fff}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);color:var(--gold-400)}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.5)}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px;font-size:14.5px}
.footer-col ul li a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;padding-bottom:1px;transition:color .18s ease,border-color .18s ease}
.footer-col ul li a:hover{color:#fff;border-bottom-color:var(--gold-500)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.8}
.footer-contact strong{color:rgba(255,255,255,.9);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--gold-400)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 24px}
  .nav-link{padding:10px 9px;font-size:14px}
  .nav-search input{width:172px}
}
@media (max-width:1023px){
  .nav-main{
    position:fixed;top:0;right:0;z-index:75;
    width:min(330px,88vw);height:100vh;
    display:flex;flex-direction:column;align-items:stretch;justify-content:flex-start;gap:4px;
    padding:90px 22px 32px;background:var(--surface);
    box-shadow:-18px 0 40px -22px rgba(20,17,31,.4);
    transform:translateX(105%);transition:transform .26s ease;
    overflow-y:auto;
  }
  body.drawer-open .nav-main{transform:translateX(0)}
  .nav-link{padding:13px 14px;font-size:15.5px;border-radius:10px}
  .nav-link.active{background:var(--violet-50)}
  .nav-link.active::after{left:14px;right:auto;width:18px;bottom:8px}
  .nav-search{display:none}
  .nav-login{display:none}
  .nav-tools .btn{margin-left:auto}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .page-hero h1{font-size:34px}
  .page-hero .container{padding-top:34px;padding-bottom:48px}
  .stream-item{grid-template-columns:168px 1fr;gap:20px}
  .check-strip{grid-template-columns:1fr;gap:16px}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
  .cta-bar .container{flex-direction:column;align-items:flex-start;gap:20px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:48px 0}
  .container{padding:0 20px}
  .section-head h2{font-size:24px}
  .page-hero h1{font-size:30px;letter-spacing:-.2px}
  .page-hero .lead{font-size:15.5px}
  .hero-facts{gap:22px;margin-top:28px}
  .hero-facts .fact b{font-size:22px}
  .stream-item{grid-template-columns:1fr;gap:16px;padding:24px 0}
  .stream-thumb{aspect-ratio:16/9;max-width:none}
  .stream-body h3{font-size:18px}
  .stream-meta .go{margin-left:0;width:100%}
  .faq-item summary{padding:17px 18px;font-size:16px;gap:10px}
  .faq-answer{padding:0 18px 18px}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-bar .btn{width:100%}
  .nav-tools .btn{padding:8px 14px;font-size:13.5px}
}
@media (max-width:480px){
  .page-hero h1{font-size:26px}
  .hero-facts{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  .badge{font-size:12px;padding:0 9px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10.5px}
}

/* roulang page: article */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --container:1200px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-900);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--violet-600);text-decoration:none;transition:color .18s ease,border-color .18s ease,background .18s ease;}
a:hover{color:var(--violet-500);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--gold-500);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1.2;
  padding:12px 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  text-align:center;
}
.btn-gold{background:var(--gold-500);color:var(--text-900);box-shadow:0 8px 20px -12px rgba(242,168,29,.95);}
.btn-gold:hover{background:var(--gold-400);color:var(--text-900);transform:translateY(-1px);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--violet-600);border:1.5px solid var(--violet-600);}
.btn-ghost:hover{background:var(--violet-50);color:var(--violet-600);}
.btn-ghost:active{background:var(--violet-100);}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3);}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff;}
.btn-sm{padding:9px 16px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:9px;flex-shrink:0;color:var(--text-900);}
.logo:hover{color:var(--violet-600);}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--violet-50);color:var(--violet-600);flex-shrink:0;
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16.5px;font-weight:700;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:12px;color:var(--text-400);letter-spacing:.04em;}
.nav-main{display:flex;align-items:center;gap:2px;flex:1;justify-content:center;flex-wrap:nowrap;}
.nav-link{
  position:relative;padding:9px 11px;font-size:14.5px;font-weight:500;
  color:var(--text-600);border-radius:8px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--violet-600);background:var(--violet-50);}
.nav-link.active{color:var(--violet-600);}
.nav-link.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:0;height:2px;
  background:var(--gold-500);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;background:var(--surface);
  border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--violet-500);box-shadow:0 0 0 4px rgba(99,68,214,.12);}
.nav-search svg{width:16px;height:16px;color:var(--text-400);margin-left:11px;flex-shrink:0;}
.nav-search input{
  width:100%;border:0;background:transparent;padding:9px 11px 9px 8px;
  font-size:13.5px;color:var(--text-900);font-family:inherit;outline:none;
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-login{
  background:transparent;border:0;padding:9px 6px;font-size:14.5px;font-weight:500;
  color:var(--text-600);cursor:pointer;border-radius:8px;transition:color .18s ease,background .18s ease;
}
.nav-login:hover{color:var(--violet-600);background:var(--violet-50);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);cursor:pointer;padding:0;align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:1.8px;border-radius:2px;background:var(--text-900);transition:transform .2s ease,opacity .2s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(5.8px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg);}
.nav-mask{
  position:fixed;inset:0;background:rgba(20,17,31,.55);
  opacity:0;pointer-events:none;transition:opacity .22s ease;z-index:75;
}
body.nav-open .nav-mask{opacity:1;pointer-events:auto;}
.drawer-search{display:none;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 6px;}
.crumbs-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-400);}
.crumbs-inner a{color:var(--text-600);}
.crumbs-inner a:hover{color:var(--violet-600);}
.crumbs-inner .sep{color:var(--violet-100);}
.crumbs-inner .current{color:var(--text-400);}

/* ---------- 文章头部 ---------- */
.article-head{padding:14px 0 30px;max-width:900px;}
.cat-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  background:var(--violet-100);color:var(--violet-600);
  font-size:13px;font-weight:600;border-radius:999px;letter-spacing:.02em;
}
.article-head h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.32;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--text-900);
  margin:16px 0 16px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  font-size:13.5px;color:var(--text-400);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--violet-100);}
.meta-row strong{font-weight:500;color:var(--text-600);}
.article-lead{
  margin-top:20px;padding:18px 20px;
  background:var(--surface);border:1px solid var(--line);
  border-left:3px solid var(--gold-500);
  border-radius:0 14px 14px 0;
  font-size:15.5px;line-height:1.9;color:var(--text-600);
}

/* ---------- 封面 ---------- */
.article-cover{
  margin:26px 0 34px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--violet-50);
  box-shadow:var(--shadow-1);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}

/* ---------- 双栏布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
  padding-bottom:64px;
}
.article-col{min-width:0;max-width:760px;}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16.5px;line-height:1.92;color:#221D36;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;color:#2C2745;}
.article-body h2{
  position:relative;
  font-size:23px;line-height:1.45;font-weight:700;color:var(--text-900);
  margin:1.9em 0 .75em;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;
  background:var(--gold-500);border-radius:2px;
}
.article-body h3{
  font-size:19px;line-height:1.5;font-weight:700;color:var(--text-900);
  margin:1.55em 0 .6em;scroll-margin-top:96px;
}
.article-body h4{font-size:17px;font-weight:700;margin:1.3em 0 .5em;color:var(--text-900);}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.45em;}
.article-body ul{list-style:none;}
.article-body ul > li{position:relative;margin-bottom:.55em;}
.article-body ul > li::before{
  content:"";position:absolute;left:-1.15em;top:.62em;
  width:7px;height:7px;background:var(--violet-100);
  border:1.5px solid var(--violet-600);border-radius:50%;
}
.article-body ol{list-style:decimal;}
.article-body ol > li{margin-bottom:.55em;padding-left:.2em;}
.article-body ol > li::marker{color:var(--violet-600);font-weight:600;}
.article-body strong{font-weight:700;color:var(--text-900);}
.article-body a{
  color:var(--violet-600);
  border-bottom:1px dashed rgba(74,47,168,.45);
  padding-bottom:1px;
}
.article-body a:hover{color:var(--violet-500);border-bottom-color:var(--violet-500);}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;
  background:var(--violet-50);
  border-left:3px solid var(--violet-600);
  border-radius:0 12px 12px 0;
  color:var(--text-600);font-size:15.8px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  width:auto;max-width:100%;height:auto;border-radius:var(--radius-img);
  margin:1.3em 0;background:var(--violet-50);
}
.article-body figure{margin:1.4em 0;}
.article-body figcaption{
  font-size:13px;color:var(--text-400);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15px;
  margin:1.5em 0;display:block;overflow-x:auto;white-space:nowrap;
  border-radius:12px;border:1px solid var(--line);
}
.article-body thead th{
  background:var(--ink-900);color:#fff;font-weight:600;
  padding:11px 14px;text-align:left;font-size:14.5px;
}
.article-body tbody td{
  padding:11px 14px;border-bottom:1px solid var(--line);color:#2C2745;
}
.article-body tbody tr:nth-child(even){background:#FBFAFE;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body hr{
  border:0;border-top:1px solid var(--line);margin:2em 0;
}
.article-body code{
  background:var(--violet-50);color:var(--violet-600);
  padding:2px 6px;border-radius:6px;font-size:14px;
}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 24px;text-align:center;
  border:1.5px dashed var(--violet-100);
  border-radius:var(--radius-card);
  background:var(--surface);
}
.empty-state svg{width:44px;height:44px;color:var(--violet-500);margin:0 auto 16px;}
.empty-state p{font-size:16px;color:var(--text-600);margin-bottom:20px;}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:sticky;top:96px;
  display:flex;flex-direction:column;gap:20px;
}
.toc-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;
  box-shadow:var(--shadow-1);
}
.toc-card > summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;color:var(--text-900);
  cursor:default;margin-bottom:12px;
}
.toc-card > summary::-webkit-details-marker{display:none;}
.toc-card > summary::after{
  content:"＋";font-size:14px;color:var(--text-400);font-weight:400;
  display:none;
}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:8px 10px;font-size:14px;color:var(--text-600);
  border-radius:8px;border-left:3px solid transparent;line-height:1.55;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.toc-list a:hover{color:var(--violet-600);background:var(--violet-50);}
.toc-list a.is-active{
  color:var(--violet-600);background:var(--violet-50);
  border-left-color:var(--gold-500);font-weight:600;
}
.toc-empty{font-size:13.5px;color:var(--text-400);}

.side-card{
  background:linear-gradient(180deg,var(--violet-50) 0%,#FFFFFF 100%);
  border:1px solid var(--violet-100);
  border-radius:var(--radius-card);padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{font-size:16px;font-weight:700;color:var(--text-900);margin-bottom:8px;}
.side-card p{font-size:13.8px;line-height:1.8;color:var(--text-600);margin-bottom:16px;}
.side-card .btn{width:100%;}
.side-tags h3{font-size:15px;font-weight:700;color:var(--text-900);margin-bottom:12px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px;}
.tag-cloud a{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  font-size:13px;color:var(--violet-600);background:var(--violet-50);
  border:1px solid var(--violet-100);border-radius:999px;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.tag-cloud a:hover{background:var(--violet-600);color:#fff;border-color:var(--violet-600);}

/* ---------- 文末互动 ---------- */
.inline-cta{
  margin:40px 0 0;padding:26px 28px;
  background:var(--violet-50);border-radius:var(--radius-card);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  border:1px solid var(--violet-100);
}
.inline-cta h3{font-size:18px;font-weight:700;color:var(--text-900);margin-bottom:6px;}
.inline-cta p{font-size:14px;color:var(--text-600);line-height:1.7;margin:0;}
.inline-cta .btn{flex-shrink:0;}

.post-tags{margin:28px 0 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.post-tags span{font-size:13px;color:var(--text-400);}

/* ---------- 相关推荐 ---------- */
.related{margin-top:44px;}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:6px;}
.related-head h2{font-size:21px;font-weight:700;color:var(--text-900);}
.related-head a{font-size:14px;color:var(--violet-600);font-weight:500;}
.related-list{display:flex;flex-direction:column;}
.related-item{
  display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);
  align-items:flex-start;
}
.related-item:last-child{border-bottom:0;}
.related-item figure{
  width:170px;flex-shrink:0;border-radius:var(--radius-img);overflow:hidden;
  background:var(--violet-50);margin:0;
}
.related-item img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.related-item h3{font-size:17.5px;line-height:1.55;font-weight:600;margin-bottom:6px;}
.related-item h3 a{color:var(--text-900);}
.related-item h3 a:hover{color:var(--violet-600);}
.related-item p{font-size:14px;color:var(--text-600);line-height:1.7;margin-bottom:8px;}
.related-item .more{font-size:13.5px;color:var(--violet-600);display:inline-flex;align-items:center;gap:6px;}
.related-item .more svg{width:14px;height:14px;transition:transform .18s ease;}
.related-item .more:hover svg{transform:translateX(4px);}

/* ---------- 返回入口 ---------- */
.back-links{
  margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  padding-top:26px;border-top:1px solid var(--line);
}
.back-links .text-link{font-size:14px;color:var(--text-600);}
.back-links .text-link:hover{color:var(--violet-600);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  padding:72px 0 0;position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 20% 0%,rgba(99,68,214,.28),transparent 55%),
                   radial-gradient(circle at 85% 20%,rgba(47,200,168,.12),transparent 50%);
  pointer-events:none;
}
.footer-top{
  position:relative;
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo:hover{color:var(--gold-400);}
.footer-brand .logo-mark{background:rgba(255,255,255,.08);color:var(--gold-400);}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:330px;}
.footer-col h4{
  font-size:14.5px;font-weight:600;color:#fff;margin-bottom:16px;
  letter-spacing:.03em;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;color:rgba(255,255,255,.72);
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:color .18s ease,border-color .18s ease;
}
.footer-col a:hover{color:#fff;border-bottom-color:var(--gold-500);}
.footer-contact li{font-size:13.8px;color:rgba(255,255,255,.62);line-height:1.75;}
.footer-contact strong{color:rgba(255,255,255,.88);font-weight:500;}
.footer-bottom{
  position:relative;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-main{gap:0;}
  .nav-link{padding:9px 8px;font-size:14px;}
  .nav-search{width:180px;}
}
@media (max-width:1023px){
  .container{padding:0 22px;}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:300px;
    background:#fff;flex-direction:column;align-items:stretch;
    justify-content:flex-start;gap:4px;
    padding:88px 20px 32px;
    transform:translateX(102%);
    transition:transform .24s ease;
    z-index:78;overflow-y:auto;
    box-shadow:-20px 0 50px rgba(20,17,31,.18);
  }
  body.nav-open .nav-main{transform:translateX(0);}
  .nav-link{padding:12px 12px;font-size:15px;border-radius:10px;}
  .nav-link.active{background:var(--violet-50);}
  .nav-link.active::after{display:none;}
  .nav-search{display:none;}
  .nav-login{display:none;}
  .nav-toggle{display:flex;}
  .drawer-search{display:flex;margin-bottom:14px;}
  .nav-tools .btn-sm{display:none;}
  .layout{grid-template-columns:1fr;gap:36px;}
  .article-col{max-width:none;}
  .sidebar{position:static;}
  .toc-card > summary{cursor:pointer;margin-bottom:0;}
  .toc-card[open] > summary{margin-bottom:12px;}
  .toc-card > summary::after{display:block;}
  .toc-card:not([open]) > summary{margin-bottom:0;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .inline-cta{flex-direction:column;align-items:flex-start;}
  .inline-cta .btn{width:100%;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav-wrap{height:62px;}
  .crumbs{padding:16px 0 4px;}
  .article-head{padding:10px 0 22px;}
  .article-head h1{font-size:clamp(24px,6.4vw,32px);line-height:1.36;}
  .article-lead{font-size:15px;padding:16px 18px;}
  .article-cover{margin:20px 0 26px;}
  .layout{padding-bottom:48px;gap:30px;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:20px;padding-left:13px;}
  .article-body h2::before{width:3px;height:16px;}
  .article-body h3{font-size:17.5px;}
  .related-item{flex-direction:column;gap:12px;}
  .related-item figure{width:100%;}
  .related-item h3{font-size:16.5px;}
  .back-links{gap:12px;}
  .back-links .btn{width:100%;}
  .site-footer{padding-top:56px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .btn{font-size:15px;}
}
@media (max-width:480px){
  .meta-row{gap:8px 12px;font-size:13px;}
  .nav-main{width:86vw;}
  .inline-cta{padding:20px;}
  .side-card,.toc-card{padding:18px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text-900);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font:inherit;color:inherit;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:var(--surface)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--violet-600);text-transform:uppercase}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--gold-500);border-radius:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  font-size:15.5px;font-weight:600;line-height:1;
  border:1.5px solid transparent;background:transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}
.btn-gold{background:var(--gold-500);color:var(--text-900)}
.btn-gold:hover{background:var(--gold-400);box-shadow:var(--shadow-2)}
.btn-outline{border-color:var(--violet-600);color:var(--violet-600)}
.btn-outline:hover{background:var(--violet-50)}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.5)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(247,246,242,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{display:inline-flex;width:30px;height:30px;color:var(--violet-600)}
.logo-mark svg{width:100%;height:100%}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--text-900)}
.logo-text em{font-size:12.5px;font-style:normal;color:var(--text-400);letter-spacing:.04em}
.nav-main{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:8px;
  font-size:14.5px;font-weight:500;color:var(--text-600);white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--violet-600);background:var(--violet-50)}
.nav-link.active{color:var(--violet-600);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;
  background:var(--gold-500);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:none}
.nav-search{
  position:relative;display:flex;align-items:center;
  width:220px;height:40px;padding:0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search svg{width:16px;height:16px;color:var(--text-400);flex:none;margin-right:8px}
.nav-search input{width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--text-900)}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search:focus-within{border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(74,47,168,.12)}
.nav-login{
  background:none;border:0;padding:6px 4px;font-size:14.5px;font-weight:500;color:var(--text-600);
  border-radius:6px;transition:color .18s ease;
}
.nav-login:hover{color:var(--violet-600)}
.nav-toggle{
  display:none;width:42px;height:42px;padding:0;
  border:1px solid var(--line);border-radius:10px;background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  position:relative;z-index:70;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-900);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.nav-overlay{
  position:fixed;inset:0;background:rgba(20,17,31,.55);
  opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;z-index:55;
}
.site-header.nav-open .nav-overlay{opacity:1;visibility:visible}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:var(--ink-900);color:#fff;
  padding:36px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.3;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(120% 90% at 82% 0%, rgba(74,47,168,.5), transparent 62%),
    linear-gradient(180deg, rgba(20,17,31,.6) 0%, rgba(20,17,31,.94) 100%);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);flex-wrap:wrap}
.breadcrumb a:hover{color:var(--gold-400)}
.breadcrumb span{opacity:.45}
.breadcrumb em{font-style:normal;color:rgba(255,255,255,.85)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;margin-top:26px;
  padding:7px 14px;border-radius:999px;
  background:rgba(47,200,168,.14);border:1px solid rgba(47,200,168,.42);
  font-size:13px;font-weight:600;color:#B8F3E6;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);display:inline-block}
.page-hero h1{
  margin-top:18px;
  font-size:clamp(30px,4vw,48px);line-height:1.28;font-weight:700;letter-spacing:.01em;
  max-width:20em;
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.78);max-width:720px}
.pill-nav{display:flex;gap:10px;margin-top:32px;overflow-x:auto;padding-bottom:6px;scrollbar-width:thin}
.pill-nav::-webkit-scrollbar{height:6px}
.pill-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:6px}
.pill{
  flex:none;display:inline-block;padding:9px 18px;border-radius:999px;
  font-size:14px;font-weight:500;white-space:nowrap;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.16);
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.pill:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-1px)}
.pill.is-active{background:var(--violet-600);border-color:var(--violet-600);color:#fff;font-weight:600}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:44px;
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-card);
  background:rgba(255,255,255,.08);overflow:hidden;
}
.hero-stat{background:rgba(20,17,31,.55);padding:20px 22px}
.hero-stat b{display:block;font-size:26px;font-weight:700;color:var(--gold-400);line-height:1.2;letter-spacing:.01em}
.hero-stat span{display:block;margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.66)}

/* ---------- 通用板块头 ---------- */
.section-head{max-width:760px}
.section-head h2{margin-top:14px;font-size:clamp(24px,2.6vw,31px);line-height:1.4;font-weight:700;letter-spacing:.01em}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-600);line-height:1.9;max-width:720px}

/* ---------- 时间轴 ---------- */
.timeline{
  position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;margin-top:56px;
}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:15px;height:1px;background:var(--line);
}
.tl-step{position:relative;padding-top:52px}
.tl-step::before{
  content:"";position:absolute;top:9px;left:0;width:13px;height:13px;border-radius:50%;
  background:var(--gold-500);box-shadow:0 0 0 6px rgba(242,168,29,.14);
}
.tl-num{display:block;font-size:30px;font-weight:700;line-height:1;color:var(--gold-500);letter-spacing:.02em}
.tl-step h3{margin-top:12px;font-size:19px;font-weight:700;line-height:1.5}
.tl-step p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--text-600)}
.tl-step .tl-meta{display:inline-block;margin-top:14px;font-size:13px;font-weight:600;color:var(--violet-600);background:var(--violet-50);padding:4px 10px;border-radius:999px}

/* ---------- 参数对照表 ---------- */
.table-card{
  margin-top:36px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.table-scroll::-webkit-scrollbar{height:8px}
.table-scroll::-webkit-scrollbar-thumb{background:var(--violet-100);border-radius:8px}
table.spec{width:100%;min-width:660px;border-collapse:collapse}
.spec th,.spec td{padding:15px 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.spec thead th{background:var(--violet-50);color:var(--violet-600);font-size:14px;font-weight:600;letter-spacing:.02em}
.spec tbody tr:nth-child(even){background:#FBFAF7}
.spec tbody tr:last-child td{border-bottom:0}
.spec tbody td:first-child{font-weight:600;color:var(--text-900);width:26%}
.spec tbody td{color:var(--text-600)}
.spec .num{font-weight:600;color:var(--text-900);font-variant-numeric:tabular-nums}
.table-note{margin-top:16px;font-size:13.5px;color:var(--text-400);line-height:1.8}
.table-hint{display:none;margin-top:12px;font-size:13px;color:var(--text-400)}

/* ---------- 要点卡 ---------- */
.point-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:48px}
.point-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 26px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--violet-100)}
.point-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:var(--violet-50);color:var(--violet-600);
}
.point-icon svg{width:20px;height:20px}
.point-card h3{margin-top:16px;font-size:18.5px;font-weight:700;line-height:1.55}
.point-card p{margin-top:10px;font-size:15px;line-height:1.9;color:var(--text-600)}
.point-card .tag{
  display:inline-block;margin-top:16px;padding:4px 11px;border-radius:999px;
  background:var(--violet-50);color:var(--violet-600);font-size:12.5px;font-weight:600;
}

/* ---------- 排查清单 ---------- */
.check-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.check-layout .sticky-note{
  position:sticky;top:104px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-1);
}
.sticky-note h3{font-size:18px;font-weight:700;line-height:1.55}
.sticky-note p{margin-top:12px;font-size:14.5px;line-height:1.85;color:var(--text-600)}
.sticky-note .btn{margin-top:20px}
.step-list{counter-reset:step}
.step-item{
  position:relative;padding:22px 0 22px 62px;border-bottom:1px solid var(--line);
}
.step-item:first-child{padding-top:0}
.step-item:last-child{border-bottom:0;padding-bottom:0}
.step-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:20px;
  font-size:15px;font-weight:700;color:var(--violet-600);
  background:var(--violet-50);border-radius:9px;
  width:42px;height:32px;display:flex;align-items:center;justify-content:center;
  letter-spacing:.02em;
}
.step-item:first-child::before{top:0}
.step-item h3{font-size:18px;font-weight:700;line-height:1.55}
.step-item p{margin-top:8px;font-size:15px;line-height:1.9;color:var(--text-600)}
.notice-bar{
  display:flex;align-items:flex-start;gap:14px;
  margin-top:36px;padding:20px 24px;border-radius:var(--radius-card);
  background:var(--violet-50);border:1px solid var(--violet-100);
}
.notice-bar svg{width:20px;height:20px;color:var(--violet-600);flex:none;margin-top:4px}
.notice-bar p{font-size:14.5px;line-height:1.85;color:var(--text-600)}
.notice-bar strong{color:var(--text-900)}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.faq-side h2{font-size:clamp(24px,2.6vw,30px);line-height:1.4;font-weight:700}
.faq-side p{margin-top:14px;font-size:15px;line-height:1.9;color:var(--text-600)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:var(--violet-100);box-shadow:var(--shadow-2)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:600;line-height:1.6;cursor:pointer;
  list-style:none;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--violet-600)}
.faq-item[open] summary{color:var(--violet-600)}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;
  background:var(--gold-500);border-radius:0 3px 3px 0;
}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--violet-600);border-radius:2px;transition:transform .18s ease,opacity .18s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 24px 22px;font-size:15.5px;line-height:1.9;color:var(--text-600)}
.faq-body p{margin-top:2px}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--violet-50);border:1px solid var(--violet-100);
  border-radius:20px;padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-bar h2{font-size:clamp(21px,2.2vw,26px);line-height:1.5;font-weight:700;max-width:22em}
.cta-bar p{margin-top:10px;font-size:15px;color:var(--text-600);line-height:1.8}
.cta-actions{display:flex;align-items:center;gap:16px;flex:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--violet-600)}
.link-arrow svg{width:16px;height:16px;transition:transform .18s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:72px 0 28px;position:relative;overflow:hidden}
.site-footer::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,168,29,.4),transparent);
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.5)}
.footer-brand .logo-mark{color:var(--gold-400)}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:30em}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a,.footer-contact li{font-size:14px;line-height:1.75;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--gold-500);text-underline-offset:4px}
.footer-contact li strong{color:rgba(255,255,255,.9);font-weight:600}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 20px}
  .nav-main{gap:0}
  .nav-link{padding:8px 9px;font-size:14px}
  .nav-search{width:180px}
}
@media (max-width:1023px){
  .nav-wrap{height:64px;gap:14px}
  .nav-main{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    background:var(--surface);flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:88px 20px 32px;overflow-y:auto;
    transform:translateX(100%);transition:transform .22s ease;z-index:60;
    box-shadow:-18px 0 44px rgba(20,17,31,.22);border-left:1px solid var(--line);
  }
  .site-header.nav-open .nav-main{transform:translateX(0)}
  .nav-link{padding:13px 12px;font-size:15.5px;border-radius:10px}
  .nav-link.active{background:var(--violet-50)}
  .nav-link.active::after{display:none}
  .nav-search{display:none}
  .nav-login{display:none}
  .nav-toggle{display:flex}
  .section{padding:64px 0}
  .timeline{grid-template-columns:repeat(2,1fr);gap:32px}
  .timeline::before{display:none}
  .tl-step{padding-top:0;padding-left:30px}
  .tl-step::before{top:8px;left:0}
  .check-layout,.faq-layout{grid-template-columns:1fr;gap:32px}
  .check-layout .sticky-note{position:static}
  .footer-top{grid-template-columns:1fr 1fr;gap:36px}
  .cta-bar{flex-direction:column;align-items:flex-start;gap:22px;padding:30px 28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .page-hero{padding:28px 0 44px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .hero-lead{font-size:15.5px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:32px}
  .hero-stat{padding:16px 18px}
  .hero-stat b{font-size:22px}
  .timeline{grid-template-columns:1fr;gap:0}
  .timeline::before{display:block;left:6px;right:auto;top:10px;bottom:10px;width:1px;height:auto}
  .tl-step{padding:0 0 0 30px;margin-bottom:30px}
  .tl-step:last-child{margin-bottom:0}
  .tl-step::before{top:6px;left:0}
  .tl-num{font-size:26px}
  .point-grid{grid-template-columns:1fr;gap:18px;margin-top:32px}
  .point-card{padding:22px}
  .table-hint{display:block}
  .faq-item summary{padding:17px 18px;font-size:15.5px}
  .faq-body{padding:0 18px 20px;font-size:15px}
  .step-item{padding-left:52px}
  .step-item::before{width:36px;height:28px;font-size:14px}
  .cta-bar{padding:26px 22px;border-radius:16px}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px}
  .cta-actions .btn{width:100%}
  .footer-top{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .notice-bar{padding:18px}
}
@media (max-width:480px){
  .hero-stats{grid-template-columns:1fr 1fr}
  .pill{padding:8px 14px;font-size:13.5px}
  .btn{width:100%}
  .btn-sm{width:auto}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}

/* roulang page: category3 */
:root{
  --ink-900:#14111F; --ink-700:#241E38;
  --violet-600:#4A2FA8; --violet-500:#6344D6; --violet-100:#E7E1F8; --violet-50:#F1EDFB;
  --gold-500:#F2A81D; --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2; --surface:#FFFFFF; --line:#E4E0EF;
  --text-900:#1A1727; --text-600:#565070; --text-400:#8B85A3;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --r-card:16px; --r-img:14px; --r-btn:12px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--text-900);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;line-height:1.9;font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--violet-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--violet-500)}
button{font:inherit;cursor:pointer}
input,button,select,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.2px;color:var(--text-900)}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:50;background:rgba(247,246,242,.94);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:72px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text-900);flex-shrink:0}
.logo:hover{color:var(--text-900)}
.logo-mark{width:32px;height:32px;display:grid;place-items:center;border-radius:10px;background:var(--ink-900);color:var(--gold-400)}
.logo-mark svg{width:19px;height:19px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16.5px;font-weight:700;letter-spacing:0}
.logo-text em{font-style:normal;font-size:12px;color:var(--text-400);letter-spacing:.6px}
.nav-main{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-link{
  position:relative;padding:10px 11px;font-size:14.5px;font-weight:500;color:var(--text-600);
  border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease;
}
.nav-link:hover{color:var(--violet-600)}
.nav-link.active{color:var(--violet-600);border-bottom-color:var(--gold-500);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search{position:relative;display:block}
.nav-search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-400);pointer-events:none}
.nav-search input{
  width:200px;height:38px;padding:0 12px 0 34px;border:1px solid var(--line);border-radius:10px;
  background:var(--surface);color:var(--text-900);font-size:14px;transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search input:focus{outline:none;border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(74,47,168,.12)}
.nav-login{
  border:0;background:transparent;color:var(--text-600);font-size:14.5px;font-weight:500;
  padding:8px 10px;border-radius:10px;transition:color .18s ease,background .18s ease;
}
.nav-login:hover{color:var(--violet-600);background:var(--violet-50)}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:4px;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--text-900);border-radius:2px;transition:transform .18s ease,opacity .18s ease}
.nav-scrim{position:fixed;inset:0;background:rgba(20,17,31,.55);opacity:0;pointer-events:none;transition:opacity .2s ease;z-index:55}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-gold{background:var(--gold-500);color:var(--ink-900);box-shadow:0 8px 18px -12px rgba(242,168,29,.9)}
.btn-gold:hover{background:var(--gold-400);color:var(--ink-900);transform:translateY(-1px)}
.btn-outline{background:transparent;border-color:var(--violet-600);color:var(--violet-600)}
.btn-outline:hover{background:var(--violet-50);color:var(--violet-600)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-pill{border-radius:999px}
.btn-block{width:100%}

/* ============ breadcrumb ============ */
.crumb{background:var(--surface);border-bottom:1px solid var(--line)}
.crumb-inner{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13.5px;color:var(--text-400)}
.crumb-inner a{color:var(--text-600)}
.crumb-inner a:hover{color:var(--violet-600)}
.crumb-sep{color:var(--line)}
.crumb-current{color:var(--text-900);font-weight:600}

/* ============ hero ============ */
.hero{padding:54px 0 40px;background:linear-gradient(180deg,#FBF9F6 0%,var(--paper) 100%)}
.hero-grid{display:grid;grid-template-columns:1.22fr .9fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:var(--violet-100);color:var(--violet-600);font-size:13px;font-weight:600;letter-spacing:.3px;
}
.eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);display:inline-block}
.hero h1{font-size:clamp(30px,4vw,46px);margin:18px 0 16px;letter-spacing:-.8px}
.hero h1 .hl{color:var(--violet-600)}
.hero-lead{font-size:17.5px;color:var(--text-600);max-width:560px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px}
.fact-num{font-size:26px;font-weight:700;color:var(--gold-500);line-height:1.1}
.fact-label{font-size:13px;color:var(--text-400)}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-2);background:var(--violet-50)}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,31,.06) 0%,rgba(20,17,31,.5) 100%);
}
.hero-float{
  position:absolute;left:16px;bottom:16px;z-index:2;display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.96);border-radius:12px;padding:10px 14px;box-shadow:var(--shadow-1);
  font-size:13px;font-weight:600;color:var(--text-900);
}
.hero-float i{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);display:inline-block;flex-shrink:0}
.hero-float span{font-weight:400;color:var(--text-600)}

/* ============ category pills ============ */
.pill-bar{padding:0 0 34px;background:var(--paper)}
.pills{display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px;scrollbar-width:thin}
.pills::-webkit-scrollbar{height:6px}
.pills::-webkit-scrollbar-thumb{background:var(--violet-100);border-radius:999px}
.pill{
  flex:0 0 auto;padding:9px 18px;border-radius:999px;background:var(--violet-50);
  color:var(--violet-600);font-size:14px;font-weight:500;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.pill:hover{background:var(--violet-100);color:var(--violet-600);transform:translateY(-1px)}
.pill.is-current{background:var(--violet-600);color:#fff;border-color:var(--violet-600);font-weight:600}
.pill.is-current:hover{background:var(--violet-500);color:#fff}

/* ============ sections ============ */
.section{padding:84px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,2.6vw,31px);margin-bottom:12px}
.section-head p{color:var(--text-600);margin:0}
.kicker{font-size:13px;font-weight:700;letter-spacing:1.4px;color:var(--violet-600);text-transform:uppercase;display:block;margin-bottom:10px}

/* ============ dark band ============ */
.band-dark{
  position:relative;background:var(--ink-900);color:#fff;padding:84px 0;overflow:hidden;
}
.band-dark::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:26px 26px;opacity:.5;pointer-events:none;
}
.band-dark::after{
  content:"";position:absolute;right:-120px;top:-140px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(74,47,168,.5) 0%,rgba(74,47,168,0) 68%);pointer-events:none;
}
.band-dark .container{position:relative;z-index:2}
.band-dark h2,.band-dark h3{color:#fff}
.band-dark .kicker{color:var(--gold-400)}
.band-dark .section-head p{color:rgba(255,255,255,.72)}

.plan-grid{
  display:grid;grid-template-columns:1.15fr repeat(3,1fr);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);overflow:hidden;
  background:rgba(255,255,255,.03);
}
.pg-cell{padding:16px 18px;border-bottom:1px solid rgba(255,255,255,.08);font-size:14.5px;color:rgba(255,255,255,.84)}
.pg-cell:nth-last-child(-n+4){border-bottom:0}
.pg-row-label{color:rgba(255,255,255,.62);font-weight:500;background:rgba(255,255,255,.02)}
.pg-head{
  display:flex;flex-direction:column;gap:4px;padding:22px 18px;
  background:rgba(255,255,255,.05);border-bottom:1px solid rgba(255,255,255,.12);
}
.pg-head .tier{font-size:16px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}
.pg-head .price{font-size:28px;font-weight:700;color:var(--gold-400);line-height:1.15;letter-spacing:-.5px}
.pg-head .price small{font-size:13px;font-weight:400;color:rgba(255,255,255,.6);margin-left:2px}
.pg-head .note{font-size:12.5px;color:rgba(255,255,255,.5)}
.pg-head.is-featured{
  background:linear-gradient(180deg,rgba(242,168,29,.18),rgba(242,168,29,.06));
  box-shadow:inset 0 0 0 1.5px rgba(242,168,29,.65);
}
.tag-hot{
  display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;background:var(--gold-500);
  color:var(--ink-900);font-size:11.5px;font-weight:700;letter-spacing:.4px;
}
.tick{color:var(--aurora-500);font-weight:700}
.dash{color:rgba(255,255,255,.32)}
.plan-foot{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:24px;color:rgba(255,255,255,.6);font-size:13.5px}

/* mobile plan cards */
.plan-cards{display:none;gap:16px;grid-template-columns:1fr}
.plan-card{
  border:1px solid rgba(255,255,255,.14);border-radius:var(--r-card);padding:20px;
  background:rgba(255,255,255,.04);
}
.plan-card.is-featured{box-shadow:inset 0 0 0 1.5px rgba(242,168,29,.7);background:rgba(242,168,29,.07)}
.plan-card-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:6px}
.plan-card-top .tier{font-size:16.5px;font-weight:700;color:#fff;display:flex;align-items:center;gap:8px}
.plan-card-top .price{font-size:24px;font-weight:700;color:var(--gold-400)}
.plan-card-top .price small{font-size:12px;color:rgba(255,255,255,.6);font-weight:400}
.plan-card .btn{margin:14px 0 16px}
.plan-rows li{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid rgba(255,255,255,.08);font-size:14px}
.plan-rows li span:first-child{color:rgba(255,255,255,.6)}
.plan-rows li span:last-child{color:#fff;font-weight:600}

/* ============ benefit split ============ */
.split{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start}
.split-side{position:sticky;top:96px}
.split-side h2{font-size:clamp(23px,2.4vw,29px);margin-bottom:14px}
.split-side p{color:var(--text-600);font-size:15.5px}
.mini-card{
  margin-top:24px;background:var(--violet-50);border:1px solid var(--violet-100);
  border-radius:var(--r-card);padding:20px;
}
.mini-card h3{font-size:16px;margin-bottom:8px}
.mini-card p{font-size:14px;color:var(--text-600);margin-bottom:14px}
.benefit-list{border-top:1px solid var(--line)}
.benefit-item{display:grid;grid-template-columns:46px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}
.benefit-no{font-size:15px;font-weight:700;color:var(--gold-500);letter-spacing:.5px;padding-top:2px}
.benefit-item h3{font-size:19px;margin-bottom:6px}
.benefit-item p{color:var(--text-600);font-size:15.5px;margin:0}
.benefit-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:999px;
  background:var(--violet-50);color:var(--violet-600);font-size:12.5px;font-weight:600;
}
.chip-green{background:rgba(47,200,168,.12);color:#1F8C76}

/* ============ audience cards ============ */
.aud-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.aud-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-1);transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.aud-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--violet-100)}
.aud-card h3{font-size:19px;margin-bottom:10px}
.aud-card p{color:var(--text-600);font-size:15.5px;margin-bottom:14px}
.aud-card .chip{margin-right:6px}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 22px;box-shadow:var(--shadow-1);
}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--gold-500);
  margin-bottom:12px;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-600);margin:0}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:14px;box-shadow:var(--shadow-1);transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--shadow-2)}
.faq-item[open]{border-left-color:var(--gold-500);border-color:var(--violet-100);border-left-color:var(--gold-500)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--text-900);transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:26px;height:26px;display:grid;place-items:center;border-radius:8px;
  background:var(--violet-50);color:var(--violet-600);font-size:17px;font-weight:500;line-height:1;
  transition:transform .18s ease,background .18s ease,color .18s ease;
}
.faq-item[open] summary{color:var(--violet-600)}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);background:var(--violet-100)}
.faq-answer{padding:0 22px 20px;color:var(--text-600);font-size:15.5px}
.faq-answer p{margin:0}

/* ============ CTA strip ============ */
.cta-strip{padding:0 0 88px}
.cta-box{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  background:var(--violet-50);border:1px solid var(--violet-100);border-radius:20px;padding:34px 38px;
}
.cta-box h2{font-size:clamp(21px,2.2vw,26px);margin-bottom:8px}
.cta-box p{margin:0;color:var(--text-600);font-size:15.5px}

/* ============ footer ============ */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 26px;position:relative;overflow:hidden}
.site-footer::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,168,29,.4),transparent);
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:36px}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);color:var(--gold-400)}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.5)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:11px;font-size:14.5px}
.footer-col ul a{color:rgba(255,255,255,.72);border-bottom:1px solid transparent;transition:color .18s ease,border-color .18s ease}
.footer-col ul a:hover{color:#fff;border-bottom-color:var(--gold-500)}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.9}
.footer-contact strong{color:rgba(255,255,255,.86);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.1);padding-top:22px;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ============ responsive ============ */
@media (max-width:1279px){
  .nav-search input{width:160px}
  .nav-link{padding:10px 8px;font-size:14px}
}
@media (max-width:1023px){
  .nav-main{
    position:fixed;top:0;right:0;z-index:60;width:min(330px,84vw);height:100vh;
    background:var(--surface);flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:88px 20px 36px;gap:2px;overflow-y:auto;transform:translateX(103%);
    transition:transform .22s ease;box-shadow:-24px 0 48px -28px rgba(20,17,31,.5);
  }
  .nav-main.is-open{transform:translateX(0)}
  .nav-link{padding:15px 10px;border-bottom:1px solid var(--line);border-radius:0;font-size:15px}
  .nav-link.active{border-bottom:1px solid var(--line);box-shadow:inset 3px 0 0 var(--gold-500);padding-left:16px}
  .nav-scrim.is-open{opacity:1;pointer-events:auto}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-login{display:none}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-figure img{aspect-ratio:16/9}
  .split{grid-template-columns:1fr;gap:32px}
  .split-side{position:static}
  .section{padding:64px 0}
  .band-dark{padding:64px 0}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .plan-grid{display:none}
  .plan-cards{display:grid}
  .cta-strip{padding-bottom:64px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .section,.section-tight{padding:48px 0}
  .band-dark{padding:48px 0}
  .hero{padding:36px 0 26px}
  .aud-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-box{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-box .btn{width:100%}
  .hero-actions .btn{width:100%}
  .hero-facts{gap:20px}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-item summary{font-size:15.5px;padding:16px 18px}
  .faq-answer{padding:0 18px 18px}
  .benefit-item{grid-template-columns:38px 1fr;gap:14px}
}
@media (max-width:480px){
  .hero h1{font-size:27px}
  .fact-num{font-size:23px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:11px}
  .hero-float{font-size:12px;padding:8px 11px}
}

/* roulang page: category4 */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --danger:#D9534F;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --sp:8px;
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text-600);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--violet-600);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--violet-500);}
h1,h2,h3,h4{color:var(--text-900);font-weight:700;line-height:1.35;margin:0;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 24px;border-radius:var(--radius-btn);
  border:1px solid transparent;transition:all .18s ease;
  text-align:center;white-space:nowrap;
}
.btn-gold{background:var(--gold-500);color:var(--text-900);border-color:var(--gold-500);}
.btn-gold:hover{background:var(--gold-400);border-color:var(--gold-400);color:var(--text-900);transform:translateY(-1px);box-shadow:0 12px 24px -14px rgba(242,168,29,.9);}
.btn-gold:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:transparent;color:var(--violet-600);border:1.5px solid var(--violet-600);}
.btn-outline:hover{background:var(--violet-50);color:var(--violet-600);}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border:1px solid rgba(255,255,255,.28);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);}
.btn-pill{border-radius:999px;}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(247,246,242,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-900);flex-shrink:0;}
.logo:hover{color:var(--text-900);}
.logo-mark{width:30px;height:30px;color:var(--violet-600);display:inline-flex;}
.logo-mark svg{width:100%;height:100%;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:17px;font-weight:700;letter-spacing:.2px;color:var(--text-900);}
.logo-text em{font-style:normal;font-size:12.5px;color:var(--text-400);letter-spacing:.6px;}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1;min-width:0;}
.nav-link{
  position:relative;display:inline-block;
  padding:10px 11px;font-size:14.5px;font-weight:500;color:var(--text-600);
  border-radius:8px;white-space:nowrap;
}
.nav-link:hover{color:var(--violet-600);background:var(--violet-50);}
.nav-link.active{color:var(--violet-600);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;
  background:var(--gold-500);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--text-400);pointer-events:none;}
.nav-search input{
  width:200px;padding:10px 14px 10px 34px;font-size:14px;font-family:inherit;
  color:var(--text-900);background:var(--surface);
  border:1px solid var(--line);border-radius:10px;transition:all .18s ease;
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-search input:focus{outline:none;border-color:var(--violet-500);box-shadow:0 0 0 4px rgba(74,47,168,.12);}
.nav-login{
  background:none;border:none;padding:8px 4px;font-size:14.5px;font-weight:500;color:var(--text-600);
  border-radius:8px;transition:color .18s ease;
}
.nav-login:hover{color:var(--violet-600);}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:var(--surface);
  border-radius:10px;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:16px;height:2px;background:var(--text-900);border-radius:2px;transition:.2s;}

/* drawer */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);z-index:200;
  background:var(--surface);padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .26s ease;
  box-shadow:-20px 0 50px -20px rgba(20,17,31,.4);
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(20,17,31,.55);z-index:190;
  opacity:0;pointer-events:none;transition:opacity .24s ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:var(--surface);font-size:18px;color:var(--text-600);line-height:1;}
.drawer-search{display:flex;gap:8px;margin-bottom:18px;}
.drawer-search input{flex:1;padding:11px 14px;border:1px solid var(--line);border-radius:10px;font-family:inherit;font-size:14px;color:var(--text-900);background:var(--paper);}
.drawer-search input:focus{outline:none;border-color:var(--violet-500);box-shadow:0 0 0 4px rgba(74,47,168,.12);}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px;}
.drawer-nav a{padding:12px 10px;border-radius:10px;font-size:15px;color:var(--text-600);font-weight:500;}
.drawer-nav a:hover{background:var(--violet-50);color:var(--violet-600);}
.drawer-nav a.active{background:var(--violet-50);color:var(--violet-600);font-weight:600;}
.drawer-actions{display:flex;flex-direction:column;gap:10px;}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--ink-900);
  color:rgba(255,255,255,.78);
  padding:56px 0 52px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;background-position:center;
  opacity:.34;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 18%, rgba(74,47,168,.5), transparent 58%),
    linear-gradient(180deg, rgba(20,17,31,.55) 0%, rgba(20,17,31,.92) 100%);
}
.page-head .container{position:relative;z-index:2;max-width:1200px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:18px;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb span{color:rgba(255,255,255,.4);}
.page-head h1{color:#fff;font-size:44px;line-height:1.25;letter-spacing:-.4px;margin-bottom:14px;max-width:860px;}
.page-head h1 .accent{color:var(--gold-400);}
.page-lead{font-size:17px;line-height:1.85;max-width:720px;color:rgba(255,255,255,.78);margin:0 0 24px;}
.pill-nav{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;}
.pill-nav::-webkit-scrollbar{height:4px;}
.pill-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.24);border-radius:4px;}
.pill{
  flex-shrink:0;display:inline-block;padding:9px 16px;border-radius:999px;
  font-size:14px;font-weight:500;white-space:nowrap;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);
  border:1px solid rgba(255,255,255,.16);transition:all .18s ease;
}
.pill:hover{background:rgba(255,255,255,.16);color:#fff;}
.pill.current{background:var(--violet-600);border-color:var(--violet-600);color:#fff;font-weight:600;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-tight{padding:48px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{font-size:29px;line-height:1.35;margin-bottom:12px;}
.section-head p{font-size:16.5px;color:var(--text-600);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.5px;color:var(--violet-600);
  background:var(--violet-50);border:1px solid var(--violet-100);
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);}

/* stat cards */
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:all .18s ease;
}
.stat-card:hover{box-shadow:var(--shadow-2);border-color:var(--violet-100);transform:translateY(-2px);}
.stat-card .ico{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:var(--violet-50);color:var(--violet-600);margin-bottom:16px;
}
.stat-card .ico svg{width:20px;height:20px;}
.stat-num{font-size:34px;font-weight:700;color:var(--text-900);line-height:1.1;letter-spacing:-.5px;}
.stat-num em{font-style:normal;font-size:15px;font-weight:600;color:var(--text-600);margin-left:6px;}
.stat-label{font-size:14px;color:var(--text-400);margin-top:8px;}

/* dark data block */
.dark-block{background:var(--ink-900);color:rgba(255,255,255,.76);padding:72px 0;}
.dark-block .section-head h2{color:#fff;}
.dark-block .section-head p{color:rgba(255,255,255,.68);}
.dark-block .eyebrow{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:var(--gold-400);}
.table-wrap{
  background:var(--ink-700);border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-card);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.data-table{width:100%;border-collapse:collapse;font-size:15px;min-width:760px;}
.data-table thead th{
  background:rgba(74,47,168,.55);
  color:#fff;font-weight:600;font-size:13.5px;letter-spacing:.4px;
  text-align:left;padding:14px 18px;white-space:nowrap;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.data-table tbody td{
  padding:15px 18px;color:rgba(255,255,255,.78);
  border-bottom:1px solid rgba(255,255,255,.07);
  vertical-align:middle;
}
.data-table tbody tr:nth-child(even){background:rgba(255,255,255,.035);}
.data-table tbody tr:hover{background:rgba(74,47,168,.28);}
.data-table tbody tr:last-child td{border-bottom:none;}
.cell-time{font-weight:600;color:#fff;white-space:nowrap;}
.cell-time small{display:block;font-weight:400;font-size:12.5px;color:rgba(255,255,255,.5);}
.cell-versus{color:#fff;font-weight:600;}
.cell-versus span{color:var(--gold-400);margin:0 6px;font-weight:700;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:25px;padding:0 11px;border-radius:999px;
  font-size:13px;font-weight:500;line-height:1;
}
.tag-violet{background:var(--violet-100);color:var(--violet-600);}
.tag-aurora{background:rgba(47,200,168,.16);color:#9DF0DE;}
.tag-aurora .dot{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);}
.tag-gold{background:var(--gold-500);color:var(--text-900);font-weight:600;}
.tag-dark{background:rgba(255,255,255,.12);color:rgba(255,255,255,.86);}
.table-note{
  display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;align-items:center;
  margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.5);
}
.table-note a{color:var(--gold-400);}
.table-note a:hover{color:var(--gold-500);}

/* result cards */
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.result-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);transition:all .18s ease;
  display:flex;flex-direction:column;gap:14px;
}
.result-card:hover{box-shadow:var(--shadow-2);border-color:var(--violet-100);transform:translateY(-2px);}
.result-top{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.result-league{font-size:13px;color:var(--text-400);}
.score-line{display:flex;align-items:center;justify-content:space-between;gap:10px;}
.score-team{font-size:15px;font-weight:600;color:var(--text-900);line-height:1.4;}
.score-team small{display:block;font-size:12.5px;font-weight:400;color:var(--text-400);}
.score-num{font-size:26px;font-weight:700;color:var(--violet-600);letter-spacing:1px;white-space:nowrap;}
.result-foot{
  border-top:1px solid var(--line);padding-top:12px;
  font-size:13.5px;color:var(--text-400);display:flex;justify-content:space-between;gap:10px;
}
.result-foot a{font-weight:600;}

/* highlight list */
.highlight-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.info-card h3{font-size:20px;margin-bottom:14px;}
.info-card p:last-child{margin-bottom:0;}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text-600);line-height:1.8;}
.check-list .tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;margin-top:3px;
  background:rgba(47,200,168,.14);color:#1D9C82;display:flex;align-items:center;justify-content:center;
}
.check-list .tick svg{width:12px;height:12px;}
.mini-table{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:6px;}
.mini-table th,.mini-table td{
  text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);
}
.mini-table th{color:var(--text-400);font-weight:500;font-size:13.5px;background:var(--violet-50);}
.mini-table tbody tr:last-child td{border-bottom:none;}
.mini-table td strong{color:var(--text-900);}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;}
.faq-intro h2{font-size:29px;margin-bottom:12px;}
.faq-intro p{font-size:15.5px;color:var(--text-600);}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
  position:relative;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background .18s ease;
}
.faq-item.open{border-color:var(--violet-100);box-shadow:var(--shadow-1);}
.faq-item.open::before{background:var(--gold-500);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;padding:18px 20px;
  font-size:16px;font-weight:600;color:var(--text-900);line-height:1.6;
}
.faq-item.open .faq-q{color:var(--violet-600);}
.faq-icon{flex-shrink:0;width:22px;height:22px;position:relative;transition:transform .18s ease;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:currentColor;border-radius:2px;
  top:50%;left:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:opacity .18s ease;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .25s ease;
}
.faq-a p{padding:0 20px 18px;margin:0;font-size:15.5px;line-height:1.85;color:var(--text-600);}

/* CTA strip */
.cta-strip{padding:0 0 72px;}
.cta-inner{
  background:var(--violet-50);border:1px solid var(--violet-100);border-radius:20px;
  padding:32px 36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-inner h2{font-size:24px;margin-bottom:8px;}
.cta-inner p{margin:0;font-size:15.5px;color:var(--text-600);}
.cta-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.text-link{font-size:15px;font-weight:600;color:var(--violet-600);}
.text-link:hover{color:var(--violet-500);text-decoration:underline;text-underline-offset:4px;}

/* footer */
.site-footer{background:var(--ink-900);color:rgba(255,255,255,.72);padding:64px 0 0;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px;}
.footer-brand .logo{color:#fff;margin-bottom:16px;}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.55);}
.footer-brand .logo-mark{color:var(--gold-400);}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--gold-500);text-underline-offset:4px;}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.62);line-height:1.75;}
.footer-contact strong{color:#fff;font-weight:600;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:#fff;}

/* toast */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);
  background:var(--ink-900);color:#fff;font-size:14px;padding:12px 20px;border-radius:12px;
  box-shadow:0 20px 40px -18px rgba(20,17,31,.7);opacity:0;pointer-events:none;
  transition:all .24s ease;z-index:300;max-width:calc(100% - 40px);text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .nav-search input{width:168px;}
  .nav-link{padding:10px 8px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-main{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-login{display:none;}
  .page-head{padding:44px 0 40px;}
  .page-head h1{font-size:36px;}
  .section{padding:56px 0;}
  .highlight-grid{grid-template-columns:1fr;gap:24px;}
  .faq-wrap{grid-template-columns:1fr;gap:26px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px;}
  .result-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .nav-wrap{height:60px;gap:12px;}
  .logo-text strong{font-size:15.5px;}
  .logo-text em{font-size:11.5px;}
  .page-head h1{font-size:30px;}
  .page-lead{font-size:15.5px;}
  .section{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .stats-row{grid-template-columns:1fr;}
  .result-grid{grid-template-columns:1fr;}
  .dark-block{padding:52px 0;}
  .data-table{min-width:0;font-size:14.5px;}
  .data-table thead{display:none;}
  .data-table,.data-table tbody,.data-table tr,.data-table td{display:block;width:100%;}
  .data-table tbody tr{
    border:1px solid rgba(255,255,255,.12);border-radius:14px;margin:14px;
    padding:8px 4px;background:rgba(255,255,255,.03);
  }
  .data-table tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
  .data-table tbody td{
    display:flex;justify-content:space-between;align-items:center;gap:16px;
    border-bottom:1px dashed rgba(255,255,255,.1);padding:11px 14px;
  }
  .data-table tbody td:last-child{border-bottom:none;}
  .data-table tbody td::before{
    content:attr(data-label);
    font-size:12.5px;color:rgba(255,255,255,.5);flex-shrink:0;
  }
  .cell-time small{display:inline;margin-left:6px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:18px;}
  .cta-actions{width:100%;flex-direction:column;align-items:stretch;gap:12px;}
  .cta-actions .btn{width:100%;}
  .cta-actions .text-link{text-align:center;}
  .footer-top{grid-template-columns:1fr;gap:26px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .cta-strip{padding:0 0 56px;}
}
@media (max-width:480px){
  .page-head h1{font-size:26px;}
  .stat-num{font-size:29px;}
  .score-num{font-size:22px;}
  .score-line{flex-wrap:wrap;}
}

/* roulang page: category5 */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --pad-section:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.88;
  color:var(--text-900);
  background:var(--paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--violet-600);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--violet-500)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-900);font-weight:700;line-height:1.35}
p{margin:0 0 1.1em}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,246,242,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;height:72px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:var(--violet-600);color:var(--gold-400);
  box-shadow:0 6px 16px -8px rgba(74,47,168,.9);
}
.logo-mark svg{width:20px;height:20px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;color:var(--text-900);letter-spacing:.6px}
.logo-text em{font-style:normal;font-size:11.5px;color:var(--text-400);letter-spacing:.6px}
.nav-main{display:flex;align-items:center;gap:14px;flex:1;justify-content:center}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--text-600);
  padding:6px 2px;white-space:nowrap;transition:color .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--gold-500);transform:scaleX(0);transition:transform .18s ease;
}
.nav-link:hover{color:var(--violet-600)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link.active{color:var(--violet-600);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search svg{position:absolute;left:12px;width:16px;height:16px;color:var(--text-400);pointer-events:none}
.nav-search input{
  width:190px;height:38px;border-radius:999px;border:1px solid var(--line);
  background:#fff;padding:0 14px 0 34px;font-size:13.5px;color:var(--text-900);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:var(--text-400)}
.nav-search input:focus{outline:none;border-color:var(--violet-600);box-shadow:0 0 0 4px rgba(74,47,168,.12)}
.nav-login{
  background:none;border:0;color:var(--text-600);font-size:14px;font-weight:500;
  cursor:pointer;padding:6px 4px;transition:color .18s ease;
}
.nav-login:hover{color:var(--violet-600)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-900);transition:transform .2s ease,opacity .2s ease}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;text-align:center;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-gold{background:var(--gold-500);color:var(--text-900)}
.btn-gold:hover{background:var(--gold-400);color:var(--text-900);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-gold:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:transparent;border:1.5px solid var(--violet-600);color:var(--violet-600)}
.btn-ghost:hover{background:var(--violet-50);color:var(--violet-600)}
.btn-ghost:active{background:var(--violet-100)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px}
.btn-pill{border-radius:999px}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;background:var(--ink-900);color:#fff;overflow:hidden;
  padding:52px 0 58px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.6;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,31,.74) 0%,rgba(20,17,31,.94) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--gold-500);text-underline-offset:4px}
.crumb .sep{color:rgba(255,255,255,.35)}
.crumb .now{color:var(--gold-400)}
.cat-hero h1{
  color:#fff;font-size:44px;line-height:1.28;letter-spacing:.5px;max-width:840px;
}
.cat-hero .hero-sub{
  margin:18px 0 0;max-width:720px;font-size:16.5px;line-height:1.85;
  color:rgba(255,255,255,.78);
}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.pill{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;font-size:14px;font-weight:500;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.85);transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.pill:hover{background:rgba(255,255,255,.15);color:#fff;border-color:rgba(255,255,255,.4)}
.pill.is-active{background:var(--gold-500);border-color:var(--gold-500);color:var(--text-900);font-weight:700}
.pill.is-active:hover{background:var(--gold-400);color:var(--text-900)}

/* ---------- Sections ---------- */
.section{padding:var(--pad-section) 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:30px;letter-spacing:.4px}
.section-head p{margin:14px 0 0;color:var(--text-600)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--violet-50);border:1px solid var(--violet-100);
  color:var(--violet-600);font-size:13px;font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--aurora-500)}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:52px;align-items:start}
.article-body{max-width:760px}
.article-body p{color:var(--text-600);line-height:1.9}
figure.media{
  margin:0 0 36px;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--violet-50);box-shadow:var(--shadow-1);
}
figure.media img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--violet-50)}
figcaption{
  font-size:13px;color:var(--text-400);background:#fff;
  padding:12px 16px;text-align:center;line-height:1.6;
}

.step{
  position:relative;padding-bottom:34px;margin-bottom:34px;
  border-bottom:1px solid var(--line);
}
.step:last-of-type{border-bottom:0;margin-bottom:0;padding-bottom:0}
.step-num{
  width:40px;height:40px;border-radius:50%;background:var(--gold-500);color:var(--text-900);
  display:grid;place-items:center;font-size:16px;font-weight:700;margin-bottom:16px;
  box-shadow:0 8px 18px -10px rgba(242,168,29,.95);
}
.step h3{font-size:21px;margin-bottom:10px}
.step p{color:var(--text-600);margin-bottom:10px;line-height:1.9}
.step p:last-child{margin-bottom:0}
.step .tip{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--violet-600);
  background:var(--violet-50);border:1px solid var(--violet-100);border-radius:10px;
  padding:8px 12px;line-height:1.6;
}
.step .tip strong{color:var(--violet-600);font-weight:700}

/* ---------- Side card ---------- */
.side-card{
  position:sticky;top:96px;background:var(--violet-50);
  border:1px solid var(--violet-100);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
}
.side-card h3{font-size:18px;margin-bottom:6px}
.side-card .side-note{font-size:13.5px;color:var(--text-600);margin:0 0 18px;line-height:1.75}
.check-list{list-style:none;display:grid;gap:14px;margin:0 0 22px;padding:0}
.check-list li{
  position:relative;padding-left:26px;font-size:14.5px;color:var(--text-600);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:6px;width:14px;height:14px;border-radius:50%;
  background:rgba(47,200,168,.16);
  box-shadow:inset 0 0 0 1.5px var(--aurora-500);
}
.check-list li::after{
  content:"";position:absolute;left:4px;top:10px;width:6px;height:3px;
  border-left:1.6px solid var(--aurora-500);border-bottom:1.6px solid var(--aurora-500);
  transform:rotate(-45deg);
}
.side-card .btn{width:100%}
.side-foot{font-size:12.5px;color:var(--text-400);margin:12px 0 0;text-align:center;line-height:1.7}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,transform .18s ease,border-color .18s ease;
}
.scene-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--violet-100)}
.scene-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);
  background:var(--violet-50);margin-bottom:18px;
}
.scene-card h3{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--text-600);line-height:1.8;margin-bottom:14px}
.scene-card .link-more{font-size:14px;font-weight:600;color:var(--violet-600);display:inline-flex;align-items:center;gap:6px}
.scene-card .link-more:hover{gap:10px;color:var(--violet-500)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:48px;align-items:start}
.faq-intro h2{font-size:30px;margin-bottom:16px}
.faq-intro p{color:var(--text-600);font-size:15px;line-height:1.85}
.faq-list{display:grid;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--violet-100);box-shadow:var(--shadow-1)}
.faq-item.is-open{border-color:var(--violet-100);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;padding:20px 22px;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--text-900);line-height:1.6;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--violet-600)}
.faq-item.is-open .faq-q{color:var(--violet-600)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;position:relative;background:#fff;transition:border-color .18s ease,background .18s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--violet-600);border-radius:2px;transition:transform .18s ease,opacity .18s ease;
}
.faq-icon::before{width:11px;height:1.8px}
.faq-icon::after{width:1.8px;height:11px}
.faq-item.is-open .faq-icon{background:var(--gold-500);border-color:var(--gold-500)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--text-900)}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a .faq-a-inner{
  padding:0 22px 22px;color:var(--text-600);font-size:15px;line-height:1.9;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a .faq-a-inner{border-left-color:var(--gold-500);margin-left:22px;padding-left:16px}

/* ---------- CTA bar ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--violet-50);border:1px solid var(--violet-100);
  border-radius:var(--radius-card);padding:32px 36px;
}
.cta-bar h2{font-size:24px;margin-bottom:8px}
.cta-bar p{margin:0;color:var(--text-600);font-size:15px}
.cta-bar .btn{flex-shrink:0}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink-900);color:rgba(255,255,255,.72);
  padding:64px 0 28px;
}
.footer-top{
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;
}
.footer-brand .logo-text strong{color:#fff}
.footer-brand .logo-text em{color:rgba(255,255,255,.55)}
.footer-brand .logo-mark{background:rgba(255,255,255,.09);color:var(--gold-400);box-shadow:none}
.footer-brand p{margin:18px 0 0;font-size:14px;line-height:1.85;max-width:360px;color:rgba(255,255,255,.66)}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul{list-style:none;display:grid;gap:10px;font-size:14px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--gold-500);text-underline-offset:4px}
.footer-contact li{font-size:14px;line-height:1.75;color:rgba(255,255,255,.66)}
.footer-contact strong{color:#fff;font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.52);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .nav-search{display:none}
  .cat-hero h1{font-size:38px}
}
@media (max-width:1023px){
  :root{--pad-section:64px}
  .nav-main{
    position:fixed;top:0;right:0;width:min(330px,88vw);height:100vh;
    background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:0;padding:92px 24px 32px;transform:translateX(103%);
    transition:transform .24s ease;box-shadow:-24px 0 60px rgba(20,17,31,.28);
    overflow-y:auto;z-index:80;flex:none;
  }
  .site-header.nav-open .nav-main{transform:translateX(0)}
  .nav-link{width:100%;padding:14px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .nav-login{font-size:15px}
  .split{grid-template-columns:minmax(0,1fr);gap:36px}
  .side-card{position:static}
  .faq-wrap{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
  .cat-hero h1{font-size:34px}
  .cta-bar{flex-direction:column;align-items:flex-start;text-align:left;padding:28px}
  .cta-bar .btn{width:100%}
}
@media (max-width:767px){
  :root{--pad-section:48px}
  body{font-size:16px}
  .container{padding:0 20px}
  .nav-wrap{height:60px;gap:10px}
  .logo-mark{width:32px;height:32px;border-radius:9px}
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10.5px}
  .nav-tools .btn-sm{padding:0 12px;font-size:13px;height:34px}
  .nav-login{display:none}
  .cat-hero{padding:36px 0 44px}
  .cat-hero h1{font-size:29px;line-height:1.34}
  .cat-hero .hero-sub{font-size:15px;margin-top:14px}
  .pill-group{margin-top:24px;gap:8px}
  .pill{height:32px;font-size:13px;padding:0 13px}
  .section-head h2,.faq-intro h2{font-size:24px}
  .cat-hero h1{letter-spacing:0}
  .step h3{font-size:19px}
  .step-num{width:36px;height:36px;font-size:15px}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .cta-bar h2{font-size:21px}
  .faq-q{font-size:15.5px;padding:18px}
  .footer-top{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .btn{height:44px;font-size:14.5px}
}
@media (max-width:480px){
  .cat-hero h1{font-size:26px}
  .btn{width:100%}
  .nav-tools .btn-sm{width:auto}
  .faq-a .faq-a-inner{margin-left:0;padding-left:16px}
}

/* roulang page: category6 */
:root{
  --ink-900:#14111F;
  --ink-700:#241E38;
  --violet-600:#4A2FA8;
  --violet-500:#6344D6;
  --violet-100:#E7E1F8;
  --violet-50:#F1EDFB;
  --gold-500:#F2A81D;
  --gold-400:#FFC24B;
  --aurora-500:#2FC8A8;
  --paper:#F7F6F2;
  --surface:#FFFFFF;
  --line:#E4E0EF;
  --text-900:#1A1727;
  --text-600:#565070;
  --text-400:#8B85A3;
  --shadow-1:0 2px 6px rgba(20,17,31,.06);
  --shadow-2:0 18px 40px -18px rgba(74,47,168,.28);
  --radius-card:16px;
  --radius-img:14px;
  --radius-btn:12px;
  --container:1200px;
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.9;
  color:var(--text-900);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;border:none;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.2px;}
p{margin:0 0 1.1em;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--gold-500);outline-offset:2px;border-radius:6px;}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-gold{background:var(--gold-500);color:var(--text-900);}
.btn-gold:hover{background:var(--gold-400);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-gold:active{transform:translateY(0);box-shadow:none;}
.btn-outline{border-color:var(--violet-600);color:var(--violet-600);background:transparent;}
.btn-outline:hover{background:var(--violet-50);border-color:var(--violet-500);color:var(--violet-500);}
.btn-outline:active{transform:scale(.99);}
.btn-ghost{border-color:rgba(255,255,255,.28);color:#fff;background:rgba(255,255,255,.04);}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-pill{border-radius:999px;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 徽章 / 胶囊 ---------- */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:25px;
  padding:0 11px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  line-height:1;
}
.badge-violet{background:var(--violet-100);color:var(--violet-600);}
.badge-gold{background:var(--gold-500);color:var(--text-900);}
.badge-safe{background:rgba(47,200,168,.14);color:#177a66;}
.badge-dot{width:8px;height:8px;border-radius:50%;background:var(--aurora-500);display:inline-block;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,246,242,.96);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--ink-900);
  color:var(--gold-400);
}
.logo-mark svg{width:19px;height:19px;}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:16px;font-weight:700;color:var(--text-900);letter-spacing:.4px;}
.logo-text em{font-style:normal;font-size:12px;color:var(--text-400);letter-spacing:.4px;}

.nav-main{display:flex;align-items:center;gap:4px;flex:1;min-width:0;}
.nav-link{
  position:relative;
  padding:8px 10px;
  font-size:14.5px;
  font-weight:500;
  color:var(--text-600);
  border-radius:8px;
  white-space:nowrap;
  transition:color .16s ease,background-color .16s ease;
}
.nav-link:hover{color:var(--violet-600);background:var(--violet-50);}
.nav-link.active{color:var(--violet-600);}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:-2px;
  height:2px;
  border-radius:2px;
  background:var(--gold-500);
}

.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  position:relative;
  display:flex;align-items:center;
  gap:8px;
  width:210px;
  padding:0 12px;
  height:38px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:10px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.nav-search:focus-within{border-color:var(--violet-500);box-shadow:0 0 0 4px var(--violet-50);}
.nav-search svg{width:16px;height:16px;color:var(--text-400);flex-shrink:0;}
.nav-search input{
  border:none;background:transparent;outline:none;
  width:100%;font-size:14px;color:var(--text-900);
}
.nav-search input::placeholder{color:var(--text-400);}
.nav-login{
  font-size:14.5px;font-weight:500;color:var(--text-600);
  padding:8px 6px;border-radius:8px;
  transition:color .16s ease;
}
.nav-login:hover{color:var(--violet-600);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  flex-direction:column;
  align-items:center;justify-content:center;
  gap:5px;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--surface);
}
.nav-toggle span{display:block;width:17px;height:2px;border-radius:2px;background:var(--text-900);transition:transform .2s ease,opacity .2s ease;}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.nav-mobile-extra{display:none;}
.nav-backdrop{
  position:fixed;inset:0;
  background:rgba(20,17,31,.55);
  opacity:0;visibility:hidden;
  transition:opacity .2s ease,visibility .2s ease;
  z-index:70;
}
body.nav-open .nav-backdrop{opacity:1;visibility:visible;}

/* ---------- 页面头 ---------- */
.page-head{
  background:
    radial-gradient(circle at 88% 12%,rgba(74,47,168,.08),transparent 42%),
    linear-gradient(180deg,#FBFAF6 0%,var(--paper) 100%);
  border-bottom:1px solid var(--line);
  padding:26px 0 40px;
  position:relative;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  right:-80px;top:-60px;
  width:320px;height:320px;
  background-image:radial-gradient(rgba(74,47,168,.16) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.5;
  pointer-events:none;
  mask-image:radial-gradient(circle,black 30%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle,black 30%,transparent 72%);
}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--text-400);
  margin-bottom:22px;
}
.crumbs a{color:var(--text-600);transition:color .16s ease;}
.crumbs a:hover{color:var(--violet-600);}
.crumbs .sep{color:var(--line);}
.crumbs .current{color:var(--text-900);font-weight:500;}

.page-head-inner{position:relative;z-index:1;max-width:820px;}
.page-eyebrow{margin-bottom:16px;}
.page-title{
  font-size:clamp(30px,4vw,46px);
  line-height:1.28;
  color:var(--text-900);
  margin-bottom:16px;
}
.page-title .accent{
  display:inline-block;
  position:relative;
}
.page-title .accent::after{
  content:"";
  position:absolute;left:0;right:0;bottom:-2px;
  height:6px;border-radius:3px;
  background:linear-gradient(90deg,rgba(242,168,29,.55),rgba(242,168,29,0));
}
.page-lead{
  font-size:17px;
  color:var(--text-600);
  line-height:1.85;
  margin-bottom:24px;
  max-width:720px;
}
.cat-pills{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  scrollbar-width:thin;
}
.cat-pills::-webkit-scrollbar{height:6px;}
.cat-pills::-webkit-scrollbar-thumb{background:var(--violet-100);border-radius:999px;}
.cat-pill{
  flex:0 0 auto;
  padding:8px 16px;
  font-size:14px;
  font-weight:500;
  border-radius:999px;
  background:var(--violet-50);
  color:var(--violet-600);
  border:1px solid var(--violet-100);
  transition:background-color .16s ease,color .16s ease,border-color .16s ease,transform .16s ease;
}
.cat-pill:hover{background:var(--violet-100);transform:translateY(-1px);}
.cat-pill.is-active{background:var(--violet-600);border-color:var(--violet-600);color:#fff;}
.cat-pill.is-active:hover{background:var(--violet-500);}

/* ---------- 公告主区 ---------- */
.section{padding:72px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(24px,2.6vw,30px);
  margin-bottom:12px;
}
.section-head p{color:var(--text-600);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:1.4px;
  color:var(--violet-600);
  text-transform:uppercase;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--gold-500);
}

.notice-layout{
  display:grid;
  grid-template-columns:340px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.notice-aside{
  position:sticky;
  top:96px;
  display:flex;
  flex-direction:column;
  gap:20px;
}
.aside-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px;
}
.aside-card h3{
  font-size:17px;
  margin-bottom:14px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.aside-list{display:flex;flex-direction:column;gap:2px;}
.aside-list a{
  display:flex;align-items:center;justify-content:space-between;
  gap:10px;
  font-size:14.5px;
  color:var(--text-600);
  padding:9px 0;
  border-bottom:1px dashed var(--line);
  transition:color .16s ease,padding-left .16s ease;
}
.aside-list li:last-child a{border-bottom:none;}
.aside-list a:hover{color:var(--violet-600);padding-left:4px;}
.aside-list a svg{width:14px;height:14px;color:var(--violet-100);flex-shrink:0;transition:color .16s ease,transform .16s ease;}
.aside-list a:hover svg{color:var(--violet-600);transform:translateX(3px);}
.aside-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  background:var(--violet-50);
  aspect-ratio:16/10;
  position:relative;
}
.aside-media img{width:100%;height:100%;object-fit:cover;}
.aside-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,31,0) 40%,rgba(20,17,31,.55) 100%);
}
.aside-media figcaption{
  position:absolute;left:14px;right:14px;bottom:12px;
  z-index:1;
  font-size:13.5px;
  color:#fff;
  line-height:1.6;
}
.aside-note{
  background:var(--violet-50);
  border:1px solid var(--violet-100);
  border-radius:var(--radius-card);
  padding:18px 20px;
  font-size:14px;
  color:var(--text-600);
  line-height:1.8;
}
.aside-note strong{color:var(--text-900);}

.notice-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.notice-item{
  display:grid;
  grid-template-columns:52px minmax(0,1fr) 28px;
  gap:18px;
  align-items:start;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:22px 24px;
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.notice-item:hover{
  border-color:var(--violet-100);
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
}
.notice-num{
  font-size:22px;
  font-weight:700;
  color:var(--violet-600);
  font-variant-numeric:tabular-nums;
  line-height:1.2;
  padding-top:2px;
}
.notice-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-bottom:8px;
}
.notice-meta time{
  font-size:13px;
  color:var(--text-400);
  font-variant-numeric:tabular-nums;
}
.notice-title{
  font-size:18.5px;
  line-height:1.5;
  margin-bottom:6px;
}
.notice-title a{transition:color .16s ease;}
.notice-title a:hover{color:var(--violet-600);}
.notice-desc{
  font-size:14.5px;
  color:var(--text-600);
  line-height:1.8;
  margin:0;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.notice-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;
  border-radius:50%;
  background:var(--violet-50);
  color:var(--violet-600);
  margin-top:2px;
  transition:transform .18s ease,background-color .18s ease,color .18s ease;
}
.notice-arrow svg{width:14px;height:14px;}
.notice-item:hover .notice-arrow{background:var(--violet-600);color:#fff;transform:translateX(4px);}

/* ---------- 安全要点 ---------- */
.safety-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.safety-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px;
}
.safety-item{
  display:flex;
  gap:16px;
  padding:22px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--paper);
  transition:border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.safety-item:hover{
  border-color:var(--violet-100);
  box-shadow:var(--shadow-1);
  transform:translateY(-2px);
}
.safety-icon{
  flex:0 0 40px;
  width:40px;height:40px;
  border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--violet-100);
  color:var(--violet-600);
}
.safety-icon svg{width:20px;height:20px;}
.safety-item h3{font-size:16.5px;margin-bottom:6px;}
.safety-item p{font-size:14.5px;color:var(--text-600);line-height:1.8;margin:0;}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:44px;
  align-items:start;
}
.faq-intro h2{font-size:clamp(24px,2.6vw,30px);margin-bottom:12px;}
.faq-intro p{color:var(--text-600);font-size:15.5px;margin:0;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:var(--violet-100);}
.faq-item details{border-left:3px solid transparent;transition:border-color .18s ease;}
.faq-item details[open]{border-left-color:var(--gold-500);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text-900);
  transition:color .16s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  flex:0 0 24px;
  width:24px;height:24px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--violet-50);
  color:var(--violet-600);
  font-size:17px;
  font-weight:500;
  line-height:1;
  transition:transform .18s ease,background-color .18s ease,color .18s ease;
}
.faq-item details[open] summary{color:var(--violet-600);}
.faq-item details[open] summary::after{
  content:"−";
  background:var(--gold-500);
  color:var(--text-900);
  transform:rotate(180deg);
}
.faq-answer{padding:0 22px 20px;font-size:15.5px;color:var(--text-600);line-height:1.9;}
.faq-answer p:last-child{margin-bottom:0;}

/* ---------- CTA 条 ---------- */
.cta-band-wrap{padding:0 0 72px;}
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  background:var(--violet-50);
  border:1px solid var(--violet-100);
  border-radius:20px;
  padding:32px 36px;
}
.cta-band h2{font-size:clamp(20px,2.2vw,25px);margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-600);margin:0;max-width:620px;}
.cta-band .btn{flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink-900);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  position:relative;
  overflow:hidden;
}
.site-footer::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,168,29,.5),transparent);
  opacity:.45;
}
.footer-top{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-mark{background:rgba(255,255,255,.1);color:var(--gold-400);}
.footer-brand .logo-text strong{color:#fff;}
.footer-brand .logo-text em{color:rgba(255,255,255,.55);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:320px;}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  font-weight:600;
}
.footer-col ul li{margin-bottom:11px;font-size:14px;}
.footer-col ul li a{
  color:rgba(255,255,255,.72);
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color .16s ease,border-color .16s ease;
}
.footer-col ul li a:hover{color:#fff;border-bottom-color:var(--gold-500);}
.footer-contact li{
  color:rgba(255,255,255,.62);
  font-size:13.5px;
  line-height:1.7;
}
.footer-contact strong{color:rgba(255,255,255,.88);font-weight:600;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:24px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-search{width:180px;}
  .nav-link{padding:8px;font-size:14px;}
}

@media (max-width:1023px){
  .nav-wrap{height:64px;gap:14px;justify-content:space-between;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(82vw,330px);
    background:var(--surface);
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:84px 22px 32px;
    transform:translateX(102%);
    transition:transform .24s ease;
    box-shadow:-24px 0 60px rgba(20,17,31,.2);
    z-index:75;
    overflow-y:auto;
    flex:initial;
  }
  body.nav-open .nav-main{transform:translateX(0);}
  .nav-link{
    padding:13px 12px;
    font-size:16px;
    border-bottom:1px solid var(--line);
    border-radius:0;
  }
  .nav-link.active::after{left:12px;right:auto;width:24px;bottom:8px;}
  .nav-link:hover{background:var(--violet-50);border-radius:8px;}
  .nav-search{display:none;}
  .nav-login{display:none;}
  .nav-tools .btn-gold{display:none;}
  .nav-toggle{display:flex;}
  .nav-mobile-extra{
    display:flex;
    flex-direction:column;
    gap:12px;
    margin-top:20px;
  }
  .nav-mobile-extra .nav-search{
    display:flex;
    width:100%;
    height:42px;
  }
  .nav-mobile-extra .btn{width:100%;}

  .notice-layout{grid-template-columns:1fr;gap:32px;}
  .notice-aside{position:static;}
  .faq-layout{grid-template-columns:1fr;gap:26px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:56px 0;}
}

@media (max-width:767px){
  body{font-size:16px;line-height:1.85;}
  .container{padding:0 20px;}
  .page-head{padding:20px 0 30px;}
  .page-lead{font-size:15.5px;}
  .notice-item{grid-template-columns:40px minmax(0,1fr);padding:18px;}
  .notice-arrow{display:none;}
  .notice-num{font-size:19px;}
  .notice-title{font-size:17px;}
  .safety-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .section{padding:44px 0;}
}

@media (max-width:480px){
  .page-title{font-size:27px;}
  .logo-text strong{font-size:15px;}
  .logo-text em{font-size:11px;}
  .badge{font-size:12px;height:23px;padding:0 9px;}
  .notice-desc{-webkit-line-clamp:3;}
  .faq-item summary{font-size:15.5px;padding:16px 18px;}
  .faq-answer{padding:0 18px 18px;font-size:15px;}
}