/* roulang page: index */
:root{
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --ink:#111318;
  --ink-2:#2A2E37;
  --muted:#5B616E;
  --line:rgba(17,19,24,.12);
  --primary:#B8F23C;
  --primary-deep:#5E9E00;
  --accent:#FF5A3C;
  --accent-2:#7C5CFF;
  --mint:#2ED3B7;
  --radius-s:12px;
  --radius:18px;
  --radius-l:28px;
  --shadow-s:0 8px 24px rgba(17,19,24,.08);
  --shadow-l:0 16px 40px rgba(17,19,24,.12);
  --container:1200px;
  --nav-h:76px;
  --pad-desktop:96px;
  --pad-tablet:72px;
  --pad-mobile:48px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary-deep);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(255,90,60,.35);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.02em;color:var(--ink);line-height:1.25;}
h1{font-size:clamp(2.25rem,5vw,4.5rem);font-weight:900;}
h2{font-size:clamp(1.5rem,3vw,2.25rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:1rem;}
.button,.btn{font-family:inherit;}
.container,.grid-container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-container.full-bleed{max-width:100%;padding-left:0;padding-right:0;}
.section{padding:var(--pad-desktop) 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--primary-deep);
  margin-bottom:12px;
}
.section-sub{color:var(--muted);font-size:15px;margin:10px 0 0;max-width:640px;}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:999px;
  padding:14px 28px;
  font-size:15px;
  font-weight:700;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,90,60,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,60,.34);color:#fff;}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-outline:hover{background:var(--ink);color:var(--bg);transform:translateY(-2px);}
.btn-ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--ink-2);
  padding:10px 20px;
  font-size:14px;
}
.btn-ghost:hover{border-color:var(--ink);color:var(--ink);}
.btn-lime{background:var(--primary);color:var(--ink);box-shadow:0 8px 20px rgba(184,242,60,.35);}
.btn-lime:hover{background:#a8e42c;color:var(--ink);transform:translateY(-2px);}

/* 顶部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  height:var(--nav-h);
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:26px;justify-content:flex-start;}
.nav-right{display:flex;align-items:center;gap:26px;justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  padding:6px 0;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:4px;
  border-radius:4px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);font-weight:800;}
.nav-link.is-active::after{transform:scaleX(1);}
.brand{
  display:flex;
  flex-direction:column;
  align-items:center;
  line-height:1.1;
  padding:0 8px;
}
.brand-mark{
  font-size:20px;
  font-weight:900;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.brand-mark em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  padding:1px 7px;
  border-radius:8px;
  margin-left:2px;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.28em;
  color:var(--muted);
  margin-top:3px;
  font-weight:600;
}
.nav-toggle{
  display:none;
  background:transparent;
  border:1px solid var(--line);
  border-radius:12px;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  cursor:pointer;
  justify-self:end;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:16px 24px 26px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:block;
  padding:14px 0;
  font-size:16px;
  font-weight:600;
  border-bottom:1px solid var(--line);
}
.mobile-menu a.is-active{color:var(--primary-deep);}

/* Hero */
.hero{
  position:relative;
  overflow:hidden;
  background-color:var(--bg);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(17,19,24,.16) 1.4px,transparent 1.4px);
  background-size:8px 8px;
  opacity:.5;
  pointer-events:none;
}
.hero::after{
  content:"";
  position:absolute;
  right:-140px;
  bottom:-160px;
  width:520px;
  height:420px;
  background:linear-gradient(135deg,var(--primary),rgba(46,211,183,.6));
  transform:skewX(-14deg);
  border-radius:48px;
  opacity:.28;
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  min-height:620px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:56px;
  padding:80px 0;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:999px;
  padding:7px 16px;
  font-size:13px;
  font-weight:700;
  color:var(--ink-2);
  box-shadow:var(--shadow-s);
  margin-bottom:24px;
}
.hero-tag i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;}
.hero h1{margin-bottom:22px;}
.hero h1 .hl{
  position:relative;
  display:inline-block;
}
.hero h1 .hl::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:6px;
  height:14px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  opacity:.55;
  z-index:-1;
  border-radius:6px;
}
.hero p.lead{
  font-size:17px;
  color:var(--ink-2);
  max-width:560px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-points{display:flex;flex-wrap:wrap;gap:20px;}
.hero-points li{
  font-size:14px;
  color:var(--muted);
  display:flex;
  align-items:center;
  gap:8px;
}
.hero-points li b{color:var(--ink);font-weight:800;}
.hero-points li::before{
  content:"";
  width:6px;height:6px;border-radius:2px;
  background:var(--primary-deep);
  display:inline-block;
}
.hero-visual{position:relative;}
.phone-card{
  background:var(--surface);
  border:1px solid var(--ink);
  border-radius:var(--radius-l);
  box-shadow:6px 6px 0 var(--ink);
  padding:22px;
  position:relative;
  z-index:3;
}
.phone-card .pc-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.phone-card .pc-head span{font-size:13px;color:var(--muted);font-weight:600;}
.phone-cover{
  border-radius:var(--radius);
  overflow:hidden;
  aspect-ratio:16/10;
  margin-bottom:16px;
  border:1px solid var(--line);
}
.phone-cover img{width:100%;height:100%;object-fit:cover;}
.pc-title{font-size:17px;font-weight:800;margin-bottom:6px;}
.pc-desc{font-size:14px;color:var(--muted);margin-bottom:14px;}
.pc-meta{display:flex;gap:10px;flex-wrap:wrap;}
.update-strip{
  margin-top:18px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-s);
  padding:16px 20px;
  display:flex;
  align-items:center;
  gap:14px;
  position:relative;
  z-index:4;
  margin-left:-28px;
}
.update-strip .dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 4px rgba(46,211,183,.22);
  flex:none;
}
.update-strip p{margin:0;font-size:14px;color:var(--ink-2);}
.update-strip b{font-weight:800;}

/* 标签/徽章 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  padding:5px 12px;
  border-radius:999px;
  background:var(--primary);
  color:var(--ink);
  line-height:1.4;
}
.badge.outline{background:transparent;border:1px solid var(--primary-deep);color:var(--primary-deep);}
.badge.dark{background:var(--ink);color:var(--bg);}
.chip{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  font-weight:600;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  color:var(--ink-2);
  cursor:pointer;
  transition:all .18s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:var(--bg);}

/* 品牌主张条 */
.claim-bar{
  background:var(--ink);
  color:var(--bg);
  padding:36px 0;
}
.claim-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.claim-item{display:flex;flex-direction:column;gap:6px;padding-left:18px;border-left:2px solid rgba(184,242,60,.5);}
.claim-item .num{
  font-family:"Barlow Condensed","DIN Alternate",ui-monospace,monospace;
  font-size:34px;
  font-weight:800;
  color:var(--primary);
  line-height:1;
  letter-spacing:-.02em;
}
.claim-item .txt{font-size:14px;color:rgba(247,244,236,.76);}

/* 故事/理念 */
.story-grid{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:64px;
  align-items:start;
}
.story-left{position:sticky;top:120px;}
.story-left h2{margin-bottom:18px;}
.story-left .line{
  width:72px;height:6px;border-radius:6px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  margin-top:24px;
}
.story-body p{color:var(--ink-2);font-size:16.5px;}
.story-figure{
  border-radius:var(--radius-l);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-s);
  margin:28px 0 32px;
  aspect-ratio:16/9;
}
.story-figure img{width:100%;height:100%;object-fit:cover;}
.timeline{display:grid;gap:16px;}
.timeline li{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  padding:18px 22px;
  display:flex;
  gap:18px;
  align-items:flex-start;
  transition:box-shadow .2s ease,transform .2s ease;
}
.timeline li:hover{box-shadow:var(--shadow-s);transform:translateY(-2px);}
.timeline .idx{
  font-family:ui-monospace,monospace;
  font-size:14px;
  font-weight:800;
  color:var(--ink);
  background:var(--primary);
  border-radius:10px;
  padding:4px 10px;
  flex:none;
}
.timeline h3{font-size:16px;margin-bottom:4px;}
.timeline p{margin:0;font-size:14.5px;color:var(--muted);}

/* 精选内容卡 */
.feature-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:28px;
}
.feature-lead{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-s);
  display:flex;
  flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.feature-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);}
.feature-lead .cover{aspect-ratio:16/9;overflow:hidden;}
.feature-lead .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-lead:hover .cover img{transform:scale(1.04);}
.feature-lead .body{padding:28px 30px 32px;}
.feature-lead h3{font-size:24px;margin:14px 0 12px;}
.feature-lead p{color:var(--muted);font-size:15px;}
.feature-side{display:grid;gap:20px;grid-template-columns:1fr;grid-auto-rows:1fr;}
.mini-card{
  display:grid;
  grid-template-columns:104px 1fr;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:14px;
  align-items:center;
  transition:transform .2s ease,box-shadow .2s ease;
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-s);}
.mini-card .thumb{
  aspect-ratio:1/1;
  border-radius:14px;
  overflow:hidden;
  border:1px solid var(--line);
}
.mini-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.mini-card:hover .thumb img{transform:scale(1.06);}
.mini-card h4{font-size:16px;font-weight:800;margin:8px 0 6px;line-height:1.45;}
.mini-card p{margin:0;font-size:13.5px;color:var(--muted);}
.meta-row{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);}

/* 榜单 */
.rank-section{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.rank-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.rank-card{
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  background:var(--bg);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rank-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-s);border-color:var(--ink);}
.rank-card .top{display:flex;align-items:center;gap:14px;margin-bottom:16px;}
.rank-card .no{
  font-family:ui-monospace,monospace;
  font-size:18px;
  font-weight:800;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--ink);
  color:var(--bg);
  flex:none;
}
.rank-card h3{font-size:16.5px;margin-bottom:4px;}
.rank-card .sub{font-size:13px;color:var(--muted);}
.rank-list li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:14px;
  padding:10px 0;
  border-bottom:1px dashed var(--line);
  color:var(--ink-2);
}
.rank-list li:last-child{border-bottom:none;}
.rank-list li span:last-child{color:var(--muted);font-size:13px;flex:none;}

/* 最新信息 */
.news-section{position:relative;}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  display:block;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-s);border-color:var(--ink);color:var(--ink);}
.news-item h3{font-size:18px;margin:12px 0 10px;line-height:1.5;}
.news-item p{
  font-size:14.5px;
  color:var(--muted);
  margin:0 0 16px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-item .foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);}
.news-item .foot .arrow{font-weight:800;color:var(--ink);}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-l);
  padding:56px 24px;
  text-align:center;
  background:var(--surface);
}
.empty-state .icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  border-radius:18px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:900;color:var(--ink);
}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* 信任背书 */
.trust{background:var(--ink);color:var(--bg);border-radius:0;}
.trust .section-head h2{color:var(--bg);}
.trust .section-head .eyebrow{color:var(--primary);}
.trust .section-sub{color:rgba(247,244,236,.7);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:52px;}
.trust-stat{
  border:1px solid rgba(247,244,236,.18);
  border-radius:var(--radius);
  padding:26px 24px;
  background:rgba(255,255,255,.03);
}
.trust-stat .num{
  font-family:ui-monospace,monospace;
  font-size:38px;
  font-weight:800;
  color:var(--primary);
  line-height:1;
  margin-bottom:10px;
  display:block;
}
.trust-stat .label{font-size:14.5px;color:rgba(247,244,236,.78);}
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.quote-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(247,244,236,.16);
  border-radius:var(--radius);
  padding:26px;
}
.quote-card p{font-size:15px;color:rgba(247,244,236,.86);}
.quote-card .who{display:flex;align-items:center;gap:12px;margin-top:18px;}
.quote-card .who .av{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  display:flex;align-items:center;justify-content:center;
  color:var(--ink);font-weight:800;font-size:15px;flex:none;
}
.quote-card .who span{font-size:13.5px;color:rgba(247,244,236,.7);}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  transition:background .2s ease,border-color .2s ease;
}
.faq-item[open]{border-left:4px solid var(--primary);background:#fff;}
.faq-item:hover{background:#FAFAF5;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .plus{
  width:26px;height:26px;
  border-radius:9px;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;
  font-weight:800;
  color:var(--ink);
  flex:none;
  transition:transform .22s ease,background .22s ease;
}
.faq-item[open] summary .plus{transform:rotate(45deg);background:var(--primary);border-color:var(--primary);}
.faq-item .answer{padding:0 24px 22px;color:var(--muted);font-size:15px;}

/* CTA band */
.cta-band{
  background:var(--ink);
  border-radius:var(--radius-l);
  padding:56px;
  position:relative;
  overflow:hidden;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(184,242,60,.28) 1.5px,transparent 1.5px);
  background-size:14px 14px;
  opacity:.5;
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:var(--bg);margin-bottom:12px;}
.cta-band p{color:rgba(247,244,236,.75);margin:0;font-size:15.5px;}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap;}
.subscribe-form input[type="email"]{
  flex:1 1 220px;
  height:52px;
  border-radius:14px;
  border:1px solid rgba(247,244,236,.25);
  background:rgba(255,255,255,.06);
  color:var(--bg);
  padding:0 18px;
  font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.subscribe-form input[type="email"]::placeholder{color:rgba(247,244,236,.5);}
.subscribe-form input[type="email"]:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(184,242,60,.22);
}
.form-note{font-size:12.5px;color:rgba(247,244,236,.55);margin-top:12px;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--bg);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:52px;}
.footer-brand .fb-logo{font-size:20px;font-weight:900;color:var(--bg);margin-bottom:14px;}
.footer-brand .fb-logo em{
  font-style:normal;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  color:var(--ink);
  padding:1px 7px;
  border-radius:8px;
  margin-left:2px;
}
.footer-brand p{font-size:14px;color:rgba(247,244,236,.66);max-width:320px;}
.footer-col h4{font-size:15px;color:var(--bg);margin-bottom:18px;font-weight:800;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(247,244,236,.7);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{font-size:14px;color:rgba(247,244,236,.7);margin-bottom:10px;}
.footer-bottom{
  border-top:1px solid rgba(247,244,236,.14);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:14px 26px;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:rgba(247,244,236,.6);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(247,244,236,.6);}
.footer-bottom a:hover{color:var(--primary);}

/* 响应式 */
@media screen and (max-width:1023px){
  :root{--nav-h:64px;--pad-desktop:72px;}
  .nav-left,.nav-right{display:none;}
  .header-inner{grid-template-columns:1fr auto 1fr;}
  .nav-toggle{display:flex;}
  .brand{align-items:flex-start;justify-self:center;}
  .hero-inner{grid-template-columns:1fr;min-height:auto;padding:56px 0 64px;gap:40px;}
  .hero::after{width:360px;height:300px;right:-120px;bottom:-120px;}
  .claim-grid{grid-template-columns:repeat(2,1fr);}
  .story-grid{grid-template-columns:1fr;gap:32px;}
  .story-left{position:static;}
  .feature-grid{grid-template-columns:1fr;}
  .rank-grid{grid-template-columns:1fr 1fr;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .update-strip{margin-left:0;}
}
@media screen and (max-width:767px){
  :root{--pad-desktop:56px;}
  body{font-size:16px;}
  .container,.grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
  .hero-inner{padding:40px 0 48px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .news-list{grid-template-columns:1fr;}
  .rank-grid{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .mini-card{grid-template-columns:84px 1fr;}
  .cta-band{padding:32px 22px;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .site-footer{margin-top:64px;}
}
@media screen and (max-width:519px){
  .claim-grid{grid-template-columns:1fr;}
  .brand-mark{font-size:17px;}
  .brand-sub{font-size:10px;letter-spacing:.2em;}
  .phone-card{padding:16px;}
  .feature-lead .body{padding:22px 20px 26px;}
  .mini-card{grid-template-columns:1fr;}
  .mini-card .thumb{aspect-ratio:16/9;}
}

/* roulang page: article */
:root{
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --ink:#111318;
  --ink-2:#2A2E37;
  --muted:#5B616E;
  --line:rgba(17,19,24,.12);
  --primary:#B8F23C;
  --primary-deep:#5E9E00;
  --accent:#FF5A3C;
  --accent-2:#7C5CFF;
  --mint:#2ED3B7;
  --radius-s:12px;
  --radius-m:18px;
  --radius-l:28px;
  --shadow-1:0 8px 24px rgba(17,19,24,.08);
  --shadow-2:0 16px 40px rgba(17,19,24,.12);
  --container:1200px;
  --pad-section:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease;}
a:hover{color:var(--primary-deep);}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink);}
h1{font-size:clamp(2.25rem,5vw,4.5rem);}
h2{font-size:clamp(1.5rem,3vw,2.25rem);}
h3{font-size:1.25rem;font-weight:800;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
:focus-visible{outline:3px solid rgba(255,90,60,.45);outline-offset:2px;border-radius:6px;}

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

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,244,236,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  position:relative;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:6px;flex:1 1 0;}
.nav-right{justify-content:flex-end;}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
  border-radius:999px;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:4px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--primary),var(--mint));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-link:hover{background:rgba(184,242,60,.18);color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);}
.nav-cta{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 20px;
  border-radius:999px;
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:0 8px 20px rgba(255,90,60,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(.94);box-shadow:0 12px 26px rgba(255,90,60,.36);}
.brand{
  flex:0 0 auto;
  display:flex;
  flex-direction:column;
  align-items:center;
  line-height:1.1;
  text-align:center;
  padding:0 6px;
}
.brand .brand-mark{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:21px;
  font-weight:900;
  letter-spacing:-.03em;
  color:var(--ink);
}
.brand .brand-mark::before{
  content:"";
  width:12px;height:12px;
  border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  box-shadow:0 0 0 3px rgba(184,242,60,.28);
}
.brand em{
  font-style:normal;
  font-size:11px;
  letter-spacing:.32em;
  color:var(--muted);
  margin-top:4px;
  text-transform:uppercase;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--surface);
  color:var(--ink);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.nav-toggle:hover{background:#FAFAF5;}
.mobile-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:12px 24px 22px;
}
.mobile-menu.is-open{display:block;}
.mobile-menu a{
  display:block;
  padding:13px 4px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.mobile-menu a.is-active{color:var(--primary-deep);}

/* ---------- page banner ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(115deg,rgba(247,244,236,.94),rgba(247,244,236,.72)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(17,19,24,.14) 1px,transparent 1px);
  background-size:8px 8px;
  opacity:.5;
  pointer-events:none;
}
.page-banner::after{
  content:"";
  position:absolute;
  right:-90px;top:-70px;
  width:320px;height:320px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  transform:rotate(18deg);
  border-radius:56px;
  opacity:.24;
}
.banner-inner{position:relative;z-index:2;padding:34px 24px 40px;max-width:var(--container);margin:0 auto;}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:14px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary-deep);}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.banner-tagline{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--ink);
  background:rgba(184,242,60,.42);
  border:1px solid rgba(17,19,24,.16);
  border-radius:999px;
  padding:6px 14px;
}

/* ---------- article layout ---------- */
.article-section{padding:var(--pad-section) 0 72px;}
.article-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  align-items:start;
}
.article-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:44px 48px 52px;
  box-shadow:var(--shadow-1);
}
.article-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  color:var(--ink);
  background:rgba(184,242,60,.5);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
}
.article-title{
  font-size:clamp(1.9rem,3.4vw,2.9rem);
  line-height:1.22;
  margin-bottom:18px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  font-size:13.5px;
  color:var(--muted);
  padding-bottom:22px;
  border-bottom:1px solid var(--line);
  margin-bottom:30px;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--primary-deep);}
.article-cover{
  border-radius:var(--radius-m);
  overflow:hidden;
  border:1px solid var(--line);
  margin-bottom:34px;
  aspect-ratio:16/9;
  background:linear-gradient(135deg,var(--primary),var(--mint));
}
.article-cover img{width:100%;height:100%;object-fit:cover;}
.article-body{
  max-width:760px;
  font-size:17.5px;
  line-height:1.9;
  color:var(--ink-2);
  word-wrap:break-word;
  overflow-wrap:break-word;
}
.article-body h2{
  position:relative;
  font-size:1.6rem;
  padding-left:18px;
  margin:2.1em 0 .7em;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.18em;bottom:.18em;
  width:6px;
  border-radius:999px;
  background:linear-gradient(180deg,var(--primary),var(--mint));
}
.article-body h3{font-size:1.2rem;margin:1.7em 0 .6em;color:var(--ink);}
.article-body p{margin:0 0 1.25em;}
.article-body ul,.article-body ol{padding-left:1.4em;margin-bottom:1.35em;}
.article-body li{margin-bottom:.5em;}
.article-body a{color:var(--primary-deep);border-bottom:1px solid rgba(94,158,0,.35);}
.article-body a:hover{color:var(--accent);border-color:var(--accent);}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:#FAFAF5;
  border-left:5px solid var(--primary);
  border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:var(--ink-2);
}
.article-body img{border-radius:var(--radius-m);margin:1.4em 0;border:1px solid var(--line);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.6em 0;
  font-size:15.5px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-s);
  overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:#FAFAF5;font-weight:700;color:var(--ink);}
.article-body tr:last-child td{border-bottom:none;}
.article-body pre{
  background:#111318;
  color:#F3F1EA;
  padding:18px 20px;
  border-radius:var(--radius-s);
  overflow-x:auto;
  font-size:14px;
  line-height:1.7;
  margin:1.6em 0;
}
.article-body code{
  background:rgba(184,242,60,.28);
  color:var(--ink);
  padding:2px 6px;
  border-radius:6px;
  font-size:.92em;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}

.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:26px;border-top:1px solid var(--line);}
.tag{
  display:inline-flex;
  align-items:center;
  font-size:12.5px;
  font-weight:600;
  color:var(--ink-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px 14px;
  background:#FAFAF5;
}
.tag:hover{border-color:var(--primary);background:rgba(184,242,60,.22);color:var(--ink);}

.notice-empty{
  border:1px dashed var(--line);
  border-radius:var(--radius-m);
  padding:40px 28px;
  text-align:center;
  background:#FAFAF5;
}
.notice-empty i{font-size:28px;color:var(--primary-deep);margin-bottom:12px;display:block;}
.notice-empty h2{font-size:1.35rem;margin-bottom:10px;}
.notice-empty p{color:var(--muted);font-size:15px;}

/* ---------- sidebar ---------- */
.side-col{position:sticky;top:100px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:22px 22px 24px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  font-size:15px;
  letter-spacing:.06em;
  margin-bottom:16px;
  display:flex;
  align-items:center;
  gap:9px;
}
.side-card h3::before{
  content:"";
  width:8px;height:8px;
  border-radius:3px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:none;padding-bottom:0;}
.side-list a{font-size:14.5px;font-weight:600;color:var(--ink-2);display:block;}
.side-list a:hover{color:var(--primary-deep);}
.side-list .sub{font-size:12.5px;color:var(--muted);font-weight:400;margin-top:3px;}
.side-thumb{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
}
.side-thumb:last-child{border-bottom:none;padding-bottom:0;}
.side-thumb img{
  width:74px;height:58px;
  object-fit:cover;
  border-radius:10px;
  border:1px solid var(--line);
  flex:0 0 auto;
}
.side-thumb strong{font-size:14px;font-weight:700;line-height:1.5;display:block;color:var(--ink-2);}
.side-thumb span{font-size:12.5px;color:var(--muted);}
.back-link{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:13px 18px;
  border-radius:999px;
  border:1px solid var(--ink);
  font-size:14.5px;
  font-weight:700;
  color:var(--ink);
  background:transparent;
}
.back-link:hover{background:var(--ink);color:#F7F4EC;}

/* ---------- related ---------- */
.related-section{padding:0 0 var(--pad-section);}
.section-head{margin-bottom:36px;max-width:720px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.16em;
  color:var(--primary-deep);
  text-transform:uppercase;
  margin-bottom:12px;
}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(17,19,24,.2);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,var(--primary),var(--mint));}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card .badge{
  align-self:flex-start;
  font-size:12px;
  font-weight:700;
  color:var(--ink);
  border:1px solid rgba(94,158,0,.5);
  background:rgba(184,242,60,.28);
  border-radius:999px;
  padding:4px 12px;
}
.post-card h3{font-size:18px;line-height:1.45;margin:0;}
.post-card p{font-size:14.5px;color:var(--muted);margin:0;flex:1;}
.post-card .meta{font-size:12.5px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;}
.post-card .meta i{margin-left:6px;color:var(--primary-deep);}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 var(--pad-section);}
.cta-inner{
  position:relative;
  overflow:hidden;
  background:var(--ink);
  color:#F7F4EC;
  border-radius:var(--radius-l);
  padding:56px 48px;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:36px;
  align-items:center;
}
.cta-inner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(247,244,236,.18) 1px,transparent 1px);
  background-size:8px 8px;
  opacity:.5;
}
.cta-inner::after{
  content:"";
  position:absolute;
  right:-70px;bottom:-90px;
  width:260px;height:260px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  transform:rotate(20deg);
  border-radius:48px;
  opacity:.2;
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{color:#F7F4EC;margin-bottom:14px;}
.cta-copy p{color:rgba(247,244,236,.76);margin:0;font-size:15.5px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  padding:14px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,60,.3);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);filter:brightness(.94);box-shadow:0 14px 30px rgba(255,90,60,.4);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border-color:rgba(247,244,236,.5);color:#F7F4EC;background:transparent;}
.btn-ghost:hover{background:#F7F4EC;color:var(--ink);}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:var(--ink);color:var(--bg);}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,244,236,.82);padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.fb-logo{font-size:20px;font-weight:900;color:#F7F4EC;letter-spacing:-.02em;margin-bottom:14px;display:flex;flex-wrap:wrap;align-items:baseline;gap:8px;}
.fb-logo em{font-style:normal;font-size:12px;letter-spacing:.28em;color:rgba(184,242,60,.9);}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(247,244,236,.66);max-width:340px;margin:0;}
.footer-col h4{font-size:14.5px;color:#F7F4EC;margin-bottom:16px;letter-spacing:.06em;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{color:rgba(247,244,236,.72);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{color:rgba(247,244,236,.66);}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid rgba(247,244,236,.14);
  display:flex;
  flex-wrap:wrap;
  gap:14px 24px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:rgba(247,244,236,.56);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a{color:rgba(247,244,236,.62);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  :root{--pad-section:72px;}
  .nav-left,.nav-right{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{min-height:64px;justify-content:space-between;}
  .brand{flex:1 1 auto;align-items:center;}
  .article-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-col{position:static;top:auto;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-inner{grid-template-columns:1fr;padding:44px 32px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  :root{--pad-section:48px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .article-card{padding:28px 20px 34px;border-radius:var(--radius-m);}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:1.35rem;}
  .banner-inner{padding:26px 16px 32px;}
  .breadcrumb .current{max-width:100%;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .btn{width:100%;}
  .cta-actions{flex-direction:column;align-items:stretch;}
  .back-link{width:100%;}
}

/* roulang page: category1 */
:root{
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --surface-2:#FAFAF5;
  --ink:#111318;
  --ink-2:#2A2E37;
  --muted:#5B616E;
  --line:rgba(17,19,24,.12);
  --primary:#B8F23C;
  --primary-deep:#5E9E00;
  --accent:#FF5A3C;
  --accent-2:#7C5CFF;
  --mint:#2ED3B7;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:28px;
  --radius-pill:999px;
  --shadow:0 8px 24px rgba(17,19,24,.08);
  --shadow-hover:0 16px 40px rgba(17,19,24,.12);
  --pad-section:96px;
  --maxw:1200px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--primary-deep)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid rgba(255,90,60,.35);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{font-family:inherit;font-weight:900;letter-spacing:-.02em;color:var(--ink);margin:0 0 14px;line-height:1.25}
h1{font-size:clamp(2.1rem,4.6vw,4rem);font-weight:900}
h2{font-size:clamp(1.5rem,3vw,2.25rem)}
h3{font-size:1.25rem;font-weight:800}
h4{font-size:1.02rem;font-weight:800;letter-spacing:0}
p{margin:0 0 16px;color:var(--ink-2)}
ul,ol{margin:0 0 16px;padding-left:1.15rem}
li{color:var(--ink-2)}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}

/* ---------- 容器 ---------- */
.grid-container{max-width:var(--maxw);padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.section{padding-top:var(--pad-section);padding-bottom:var(--pad-section)}
.section-sm{padding-top:64px;padding-bottom:64px}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:8px;border-radius:3px;background:linear-gradient(135deg,var(--primary),var(--mint))}
.lede{font-size:1.05rem;color:var(--muted);margin:0}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;flex:1 1 0;min-width:0}
.nav-right{justify-content:flex-end}
.nav-link{
  position:relative;font-size:.95rem;font-weight:600;color:var(--ink-2);white-space:nowrap;
  padding:6px 2px;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:4px;border-radius:4px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:800}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{flex:0 0 auto;text-align:center;line-height:1.05}
.brand .brand-main{font-size:1.32rem;font-weight:900;letter-spacing:-.03em;display:block}
.brand .brand-sub{
  display:block;font-size:.72rem;letter-spacing:.24em;font-weight:700;color:var(--muted);
  margin-top:4px;text-transform:uppercase;
}
.brand:hover .brand-sub{color:var(--primary-deep)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;border-top:1px solid var(--line);background:var(--bg);
  padding:18px 0 26px;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{
  display:block;padding:13px 4px;font-size:1rem;font-weight:700;border-bottom:1px dashed var(--line);
}
.mobile-menu a:last-child{border-bottom:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-pill);border:1px solid transparent;
  font-size:.95rem;font-weight:800;letter-spacing:.01em;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
  cursor:pointer;text-align:center;
}
.btn-primary{
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);color:#fff;
  box-shadow:0 10px 22px rgba(255,90,60,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,90,60,.34);background:linear-gradient(135deg,#F04A2C,#F56A2C)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,90,60,.26)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-soft{background:var(--surface);color:var(--ink);border-color:var(--line);box-shadow:var(--shadow)}
.btn-soft:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--ink)}
.btn-sm{padding:10px 18px;font-size:.85rem}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.75rem;font-weight:800;letter-spacing:.02em;
  background:var(--primary);color:var(--ink);border:1px solid rgba(17,19,24,.08);
}
.badge-outline{background:transparent;border:1px solid rgba(17,19,24,.28);color:var(--ink-2)}
.badge-accent{background:rgba(255,90,60,.12);color:#C93A1F;border:1px solid rgba(255,90,60,.3)}
.badge-mint{background:rgba(46,211,183,.16);color:#12705F;border:1px solid rgba(46,211,183,.36)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--bg);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(17,19,24,.16) 1px,transparent 1px);
  background-size:8px 8px;opacity:.35;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;top:-80px;right:-120px;width:420px;height:420px;
  background:linear-gradient(135deg,var(--primary),rgba(184,242,60,0));
  transform:rotate(-18deg);border-radius:48px;opacity:.55;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 72px;min-height:620px;display:flex;align-items:center}
.crumbs{font-size:.82rem;color:var(--muted);margin-bottom:22px}
.crumbs a{color:var(--muted);font-weight:600}
.crumbs a:hover{color:var(--primary-deep)}
.crumbs .sep{margin:0 8px;opacity:.6}
.crumbs .current{color:var(--ink);font-weight:800}
.hero h1{margin-bottom:18px}
.hero h1 .hl{
  background:linear-gradient(135deg,var(--primary),var(--mint));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-sub{font-size:1.08rem;color:var(--ink-2);max-width:600px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(255,255,255,.78);border:1px solid var(--line);backdrop-filter:blur(6px);
}
.hero-stat{min-width:118px}
.hero-stat b{display:block;font-size:1.5rem;font-weight:900;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.hero-stat span{font-size:.8rem;color:var(--muted);font-weight:600}
.hero-visual{position:relative;z-index:2}
.hero-card{
  background:var(--surface);border:1px solid var(--ink);border-radius:var(--radius-lg);
  box-shadow:8px 8px 0 var(--ink);overflow:hidden;
}
.hero-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-card .hc-body{padding:20px 22px 24px}
.hero-card h3{margin-bottom:8px}
.hero-card p{font-size:.92rem;color:var(--muted);margin-bottom:14px}
.hero-card .hc-meta{display:flex;flex-wrap:wrap;gap:8px}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-bottom:34px;
}
.filter-bar .filter-label{font-size:.82rem;font-weight:800;color:var(--muted);margin-right:4px;letter-spacing:.06em}
.chip{
  padding:9px 16px;border-radius:var(--radius-pill);border:1px solid var(--line);background:var(--surface-2);
  font-size:.85rem;font-weight:700;color:var(--ink-2);transition:all .18s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px)}
.chip.is-active{background:var(--primary);border-color:var(--ink);color:var(--ink);box-shadow:2px 2px 0 var(--ink)}

/* ---------- 榜单横向滚动 ---------- */
.rank-strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(260px,1fr);gap:16px;
  overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;
}
.rank-strip::-webkit-scrollbar{height:8px}
.rank-strip::-webkit-scrollbar-thumb{background:rgba(17,19,24,.18);border-radius:8px}
.rank-card{
  scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease;
  display:flex;gap:14px;align-items:flex-start;
}
.rank-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rank-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.1rem;background:var(--ink);color:var(--bg);font-variant-numeric:tabular-nums;
}
.rank-card .rc-body h3{font-size:1rem;margin-bottom:6px}
.rank-card .rc-body p{font-size:.85rem;color:var(--muted);margin:0 0 8px}

/* ---------- 游戏网格 ---------- */
.game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.game-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.game-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.game-card .gc-media{position:relative;overflow:hidden;background:var(--surface-2)}
.game-card .gc-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.game-card:hover .gc-media img{transform:scale(1.04)}
.gc-rank{
  position:absolute;left:14px;top:14px;background:var(--ink);color:var(--bg);
  font-size:.75rem;font-weight:800;padding:5px 10px;border-radius:8px;letter-spacing:.04em;
}
.gc-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.gc-body h3{font-size:1.08rem;margin-bottom:8px}
.gc-body p{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.gc-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.gc-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px}
.gc-foot .gc-size{font-size:.78rem;color:var(--muted);font-weight:700}
.gc-link{font-size:.86rem;font-weight:800;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.gc-link::after{content:"→";transition:transform .2s ease}
.gc-link:hover::after{transform:translateX(4px)}

/* ---------- 类型速览 ---------- */
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
.split .sticky-col{position:sticky;top:104px}
.type-list{display:grid;gap:14px}
.type-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.type-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(17,19,24,.22)}
.type-item .ti-no{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--surface-2);
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:.95rem;font-variant-numeric:tabular-nums;
}
.type-item h3{font-size:1rem;margin-bottom:6px}
.type-item p{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.step{
  position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px 24px;box-shadow:var(--shadow);
}
.step .step-no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--mint));color:var(--ink);font-weight:900;
  font-size:.92rem;margin-bottom:14px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{font-size:.88rem;color:var(--muted);margin:0}

/* ---------- 证据 / 数据 ---------- */
.evidence{
  background:var(--ink);color:var(--bg);border-radius:var(--radius-lg);
  padding:52px 44px;position:relative;overflow:hidden;
}
.evidence::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(247,244,236,.16) 1px,transparent 1px);
  background-size:10px 10px;opacity:.5;pointer-events:none;
}
.evidence h2,.evidence h3{color:#fff}
.evidence .lede{color:rgba(247,244,236,.72)}
.evidence-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin-top:34px}
.evidence-item{border-top:1px solid rgba(247,244,236,.22);padding-top:18px}
.evidence-item b{display:block;font-size:2rem;font-weight:900;letter-spacing:-.03em;color:var(--primary);font-variant-numeric:tabular-nums}
.evidence-item span{font-size:.85rem;color:rgba(247,244,236,.74);font-weight:600}

/* ---------- 评价 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:34px}
.quote{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  box-shadow:var(--shadow);
}
.quote p{font-size:.92rem;color:var(--ink-2);margin-bottom:14px}
.quote .quote-meta{font-size:.8rem;color:var(--muted);font-weight:700}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq-item:hover{background:var(--surface-2)}
.faq-item.is-open{border-left:4px solid var(--primary);background:#fff}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  padding:20px 22px;font-size:1rem;font-weight:800;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--muted);font-size:.94rem}
.faq-a-inner p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--surface);border:1px solid var(--ink);border-radius:var(--radius-lg);
  box-shadow:6px 6px 0 var(--ink);padding:44px;display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-90px;bottom:-110px;width:300px;height:300px;
  background:linear-gradient(135deg,rgba(184,242,60,.55),rgba(46,211,183,.15));
  transform:rotate(-16deg);border-radius:40px;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-form{display:grid;gap:14px}
.field label{display:block;font-size:.84rem;font-weight:800;color:var(--ink-2);margin-bottom:7px}
.field input,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface-2);font-size:.94rem;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;min-height:104px;padding:14px 16px;resize:vertical}
.field input:hover,.field textarea:hover{border-color:rgba(17,19,24,.28)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary-deep);background:#fff;box-shadow:0 0 0 4px rgba(184,242,60,.35);
}
.form-hint{font-size:.78rem;color:var(--muted);margin:0}

/* ---------- 相关分类 ---------- */
.related{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(17,19,24,.24)}
.related-card h3{font-size:1.05rem;margin-bottom:8px}
.related-card p{font-size:.88rem;color:var(--muted);margin:0 0 12px}
.related-card .rc-more{font-size:.84rem;font-weight:800;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.related-card .rc-more::after{content:"→";transition:transform .2s ease}
.related-card:hover .rc-more::after{transform:translateX(4px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(247,244,236,.86);margin-top:96px;padding:68px 0 26px}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:38px}
.footer-brand .fb-logo{font-size:1.2rem;font-weight:900;color:#fff;letter-spacing:-.02em;margin-bottom:14px}
.footer-brand .fb-logo em{font-style:normal;display:block;font-size:.72rem;letter-spacing:.24em;color:var(--primary);margin-top:6px;font-weight:800}
.footer-brand p{font-size:.88rem;color:rgba(247,244,236,.66);margin:0;line-height:1.8}
.footer-col h4{color:#fff;font-size:.95rem;margin-bottom:16px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-col a{color:rgba(247,244,236,.76);font-size:.88rem}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{font-size:.86rem;color:rgba(247,244,236,.7)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(247,244,236,.18);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:.82rem;color:rgba(247,244,236,.62);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:rgba(247,244,236,.72)}
.footer-bottom a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--pad-section:72px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px}
  .brand .brand-main{font-size:1.14rem}
  .hero-inner{padding:44px 0 52px;min-height:520px;display:block}
  .hero-visual{margin-top:34px}
  .split{grid-template-columns:1fr;gap:30px}
  .split .sticky-col{position:static}
  .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .evidence-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .related{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media screen and (max-width:639px){
  :root{--pad-section:48px}
  .grid-container{padding-left:16px;padding-right:16px}
  .game-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .evidence{padding:32px 22px}
  .evidence-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-stats{gap:10px}
  .hero-stat{min-width:44%}
  .hero-actions .btn{width:100%}
  .rank-strip{grid-auto-columns:minmax(230px,1fr)}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --ink:#111318;
  --ink-2:#2A2E37;
  --muted:#5B616E;
  --line:rgba(17,19,24,.12);
  --primary:#B8F23C;
  --primary-deep:#5E9E00;
  --accent:#FF5A3C;
  --accent-2:#7C5CFF;
  --mint:#2ED3B7;
  --r-sm:12px;
  --r:18px;
  --r-lg:28px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(17,19,24,.08);
  --sh-h:0 16px 40px rgba(17,19,24,.12);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Noto Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:900;letter-spacing:-.02em;line-height:1.25;color:var(--ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,60,.45);outline-offset:2px;border-radius:8px}
.grid-container{max-width:1200px!important;padding-left:24px;padding-right:24px}
.section{padding:var(--sec) 0}
.section--tight{padding:calc(var(--sec) * .62) 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary-deep);margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:28px;height:4px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--mint))}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}
.section-head--center .eyebrow::before{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,filter .25s ease;
}
.btn-primary{background:linear-gradient(135deg,#FF5A3C,#FF7A3C);color:#fff;box-shadow:0 10px 24px rgba(255,90,60,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,90,60,.36);filter:brightness(.93)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,60,.3)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#F7F4EC;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-sm{padding:10px 18px;font-size:13.5px}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.01em;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--primary);color:var(--ink);line-height:1.5;
}
.badge--outline{background:transparent;border:1px solid var(--line);color:var(--muted);font-weight:600}
.badge--accent{background:rgba(255,90,60,.12);color:#C93A20}
.badge--dark{background:var(--ink);color:var(--primary)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  height:76px;column-gap:16px;
}
.nav-left{grid-column:1;display:flex;align-items:center;gap:24px}
.nav-right{grid-column:3;display:flex;align-items:center;gap:24px;justify-self:end}
.nav-link{
  position:relative;padding:8px 2px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.brand{
  grid-column:2;display:flex;flex-direction:column;align-items:center;
  line-height:1.1;font-weight:900;font-size:19px;letter-spacing:-.02em;color:var(--ink);
  white-space:nowrap;
}
.brand em{
  font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.22em;
  color:var(--muted);margin-top:3px;
}
.nav-toggle{
  display:none;grid-column:3;justify-self:end;
  width:44px;height:44px;border-radius:14px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.2s}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.2s}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer-open .nav-toggle span{background:transparent}
.drawer-open .nav-toggle span::before{transform:rotate(45deg);top:0}
.drawer-open .nav-toggle span::after{transform:rotate(-45deg);top:0}

.mobile-drawer{
  position:fixed;left:0;right:0;top:64px;bottom:0;z-index:65;
  background:var(--bg);padding:28px 24px 48px;overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:translateY(0)}
.drawer-open{overflow:hidden}
.mobile-drawer a{
  display:block;padding:16px 4px;font-size:17px;font-weight:700;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.mobile-drawer a.is-active{color:var(--primary-deep)}
.mobile-drawer .drawer-cta{margin-top:26px;border:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-color:var(--bg);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:86px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(247,244,236,.97) 0%,rgba(247,244,236,.9) 48%,rgba(247,244,236,.62) 100%);
}
.hero-dots{
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(17,19,24,.16) 1px,transparent 1px);
  background-size:8px 8px;opacity:.42;pointer-events:none;
}
.hero-slash{
  position:absolute;left:-90px;bottom:-90px;width:360px;height:200px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  transform:skewY(-12deg);opacity:.3;border-radius:40px;pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-breadcrumb{font-size:13px;color:var(--muted);margin-bottom:18px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.hero-breadcrumb a:hover{color:var(--ink)}
.hero-breadcrumb .current{color:var(--ink);font-weight:700}
.hero h1{font-size:clamp(2.05rem,4.4vw,3.5rem);margin-bottom:20px}
.hero h1 span{position:relative;display:inline-block}
.hero h1 span::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;border-radius:6px;
  background:linear-gradient(90deg,var(--primary),var(--mint));opacity:.55;z-index:-1;
}
.hero-sub{font-size:17.5px;color:var(--ink-2);max-width:600px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.hero-stats li{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:9px 18px;font-size:13.5px;color:var(--ink-2);font-weight:500;box-shadow:var(--sh);
}
.hero-stats li strong{font-weight:900;color:var(--ink);margin-right:4px}

.dl-panel{
  background:#fff;border:1px solid var(--ink);border-radius:var(--r-lg);
  box-shadow:6px 6px 0 var(--ink);padding:26px;
}
.dl-panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.dl-panel-head h3{font-size:18px}
.dl-panel-head span{font-size:12.5px;color:var(--muted)}
.dl-panel-cover{
  width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r);margin-bottom:20px;
  border:1px solid var(--line);
}
.dl-panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.dl-panel-list li:last-child{border-bottom:0}
.dl-panel-list .name{font-weight:700}
.dl-panel-list .meta{font-size:12.5px;color:var(--muted)}
.dl-panel-foot{
  margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--bg);border-radius:var(--r-sm);padding:12px 16px;
}
.dl-panel-foot span{font-size:13px;color:var(--muted)}
.dl-panel-foot strong{font-size:15px;color:var(--ink)}

/* ---------- 速览条 ---------- */
.ticker{
  background:var(--ink);color:#F7F4EC;padding:16px 0;
  overflow:hidden;position:relative;
}
.ticker-track{display:flex;gap:44px;align-items:center;white-space:nowrap;animation:slide 26s linear infinite}
.ticker-track li{font-size:14px;display:inline-flex;align-items:center;gap:10px}
.ticker-track li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary)}
@keyframes slide{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 下载列表 ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.dl-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px;display:grid;grid-template-columns:92px 1fr;gap:18px;
  box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.dl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(17,19,24,.22)}
.dl-card img{width:92px;height:92px;object-fit:cover;border-radius:16px;background:var(--bg)}
.dl-card-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:6px}
.dl-card h3{font-size:18px;margin-bottom:4px}
.dl-card .desc{font-size:14px;color:var(--muted);margin-bottom:14px}
.dl-specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px;font-size:13px;color:var(--muted);margin-bottom:14px}
.dl-specs span strong{color:var(--ink);font-weight:700;margin-right:4px}
.dl-safe{
  display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--primary-deep);
  background:rgba(184,242,60,.18);border-radius:var(--r-sm);padding:9px 12px;margin-bottom:16px;line-height:1.6;
}
.dl-card-actions{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.dl-note{font-size:12.5px;color:var(--muted)}
.dl-aside{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.dl-aside p{font-size:14.5px;color:var(--muted);max-width:720px}
.dl-aside strong{color:var(--ink)}

/* ---------- 安装三步 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  padding:28px 24px;position:relative;box-shadow:var(--sh);
  transition:transform .28s ease,box-shadow .28s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.step-num{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--primary);font-weight:900;font-size:17px;margin-bottom:18px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- 安全与兼容 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split img{border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh);width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:16px}
.split p{color:var(--muted);margin-bottom:16px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;
}
.check-list li:last-child{border-bottom:0}
.check-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;background:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:900;color:var(--ink);margin-top:3px;
}
.check-list b{display:block;font-weight:700;color:var(--ink)}
.check-list em{font-style:normal;font-size:13.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:0;overflow:hidden;transition:background .25s ease,border-color .25s ease;
}
.faq-item:hover{background:#FAFAF5}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;color:var(--muted);transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open]{background:#fff;border-color:rgba(17,19,24,.22);border-left:4px solid var(--primary)}
.faq-item[open] summary::after{content:"−";background:var(--primary);border-color:var(--primary);color:var(--ink)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);max-width:760px}

/* ---------- 相关分类 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;box-shadow:var(--sh);transition:transform .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h)}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.cat-card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.cat-card h3{font-size:18px}
.cat-card p{font-size:14px;color:var(--muted);flex:1}
.cat-card .arrow{font-size:13.5px;font-weight:700;color:var(--accent)}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#F7F4EC;
  border-radius:var(--r-lg);padding:56px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(247,244,236,.16) 1px,transparent 1px);
  background-size:10px 10px;opacity:.5;pointer-events:none;
}
.cta-band > *{position:relative;z-index:2}
.cta-band h2{color:#F7F4EC;font-size:clamp(1.5rem,2.6vw,2rem);margin-bottom:14px}
.cta-band p{color:rgba(247,244,236,.78);font-size:15.5px}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form label{font-size:13.5px;font-weight:700;color:rgba(247,244,236,.9)}
.cta-form input{
  height:48px;border-radius:12px;border:1px solid rgba(247,244,236,.28);
  background:rgba(247,244,236,.08);color:#F7F4EC;padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(247,244,236,.5)}
.cta-form input:focus{
  outline:none;border-color:var(--primary);background:rgba(247,244,236,.14);
  box-shadow:0 0 0 4px rgba(184,242,60,.22);
}
.cta-form .hint{font-size:12.5px;color:rgba(247,244,236,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#F7F4EC;padding:72px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(247,244,236,.14)}
.fb-logo{font-size:20px;font-weight:900;letter-spacing:-.02em;margin-bottom:14px;line-height:1.2}
.fb-logo em{font-style:normal;display:block;font-size:11px;letter-spacing:.2em;color:rgba(247,244,236,.6);font-weight:600;margin-top:6px}
.footer-brand p{font-size:14px;color:rgba(247,244,236,.68);max-width:360px}
.footer-col h4{font-size:15px;color:#F7F4EC;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(247,244,236,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{font-size:13.5px;color:rgba(247,244,236,.72);margin-bottom:10px;line-height:1.7}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  padding-top:22px;font-size:13px;color:rgba(247,244,236,.6);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom .links a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1200px){
  .grid-container{padding-left:20px;padding-right:20px}
}
@media screen and (max-width:1023px){
  :root{--sec:72px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px}
  .mobile-drawer{top:64px}
  .hero{padding:64px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .dl-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .cat-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr;padding:38px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:639px){
  :root{--sec:48px}
  body{font-size:15.5px}
  .grid-container{padding-left:16px;padding-right:16px}
  .brand{font-size:16.5px}
  .brand em{font-size:9.5px;letter-spacing:.16em}
  .hero h1{font-size:clamp(1.75rem,8vw,2.3rem)}
  .hero-sub{font-size:16px}
  .hero-actions .btn{width:100%}
  .hero-stats li{font-size:12.5px;padding:8px 14px}
  .dl-card{grid-template-columns:1fr;padding:20px}
  .dl-card img{width:100%;height:auto;aspect-ratio:16/9}
  .dl-specs{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-band{padding:28px 22px;border-radius:var(--r)}
  .btn{width:100%}
  .dl-card-actions .btn{width:auto;flex:1 1 auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:400px){
  .hero-stats{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --ink:#111318;
  --ink-2:#2A2E37;
  --muted:#5B616E;
  --line:rgba(17,19,24,.12);
  --primary:#B8F23C;
  --primary-deep:#5E9E00;
  --accent:#FF5A3C;
  --accent-2:#7C5CFF;
  --mint:#2ED3B7;
  --radius-card:18px;
  --radius-lg:28px;
  --radius-img:16px;
  --shadow-s:0 8px 24px rgba(17,19,24,.08);
  --shadow-h:0 16px 40px rgba(17,19,24,.12);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --mono:"Barlow Condensed","SFMono-Regular",Consolas,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink);text-decoration:none;}
a:hover{color:var(--primary-deep);}
h1,h2,h3,h4{color:var(--ink);margin:0 0 14px;font-weight:900;letter-spacing:-.02em;line-height:1.22;}
h1{font-size:clamp(2.25rem,5vw,4rem);}
h2{font-size:clamp(1.5rem,3vw,2.25rem);}
h3{font-size:1.25rem;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,select,textarea{font-family:inherit;}
:focus-visible{outline:3px solid rgba(184,242,60,.75);outline-offset:2px;}

.grid-container{max-width:1200px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--paper{background:var(--surface);}
.section-head{max-width:760px;margin-bottom:44px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--ink);background:var(--primary);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.lead{font-size:18px;color:var(--muted);line-height:1.8;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:16px;
  height:76px;
}
.nav-left{display:flex;gap:6px;align-items:center;}
.nav-right{display:flex;gap:6px;align-items:center;justify-content:flex-end;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink-2);
  padding:8px 12px;border-radius:10px;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(184,242,60,.22);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:0;
  height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--primary),var(--mint));
}
.brand{
  display:inline-flex;flex-direction:column;align-items:center;
  line-height:1.1;font-weight:900;font-size:20px;letter-spacing:-.02em;
  color:var(--ink);padding:4px 10px;
}
.brand em{
  font-style:normal;font-size:11px;font-weight:700;letter-spacing:.18em;
  color:var(--muted);margin-top:3px;
}
.nav-cta{
  margin-left:10px;
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);
  color:#fff;font-weight:700;font-size:14px;
  padding:9px 18px;border-radius:999px;
  box-shadow:0 6px 16px rgba(255,90,60,.28);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,90,60,.34);filter:saturate(1.08);}
.menu-toggle{
  display:none;
  border:1px solid var(--line);background:var(--surface);
  width:44px;height:44px;border-radius:12px;
  font-size:18px;color:var(--ink);
}
.mobile-drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:14px 24px 22px;
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 4px;font-size:16px;font-weight:600;
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.is-active{color:var(--primary-deep);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;
  padding:13px 26px;border-radius:999px;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);
  color:#fff;
  box-shadow:0 10px 24px rgba(255,90,60,.26);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,60,.34);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,90,60,.24);}
.btn-ghost{
  background:transparent;color:var(--ink);border-color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:var(--bg);}
.btn-soft{
  background:var(--primary);color:var(--ink);
  box-shadow:0 10px 22px rgba(184,242,60,.4);
}
.btn-soft:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 16px 30px rgba(184,242,60,.5);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;font-size:14px;color:var(--ink);
  border-bottom:2px solid var(--primary);
  padding-bottom:2px;border-radius:0;
}
.btn-link:hover{color:var(--primary-deep);}

/* ---------- hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  min-height:620px;
  display:flex;align-items:center;
  background-color:var(--bg);
  background-image:
    radial-gradient(rgba(17,19,24,.10) 1px,transparent 1px),
    linear-gradient(180deg,rgba(247,244,236,.86),rgba(247,244,236,.96)),
    url("/assets/images/backpic/back-2.webp");
  background-size:8px 8px,cover,cover;
  background-position:0 0,center,center;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-60px;
  width:420px;height:420px;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  transform:rotate(18deg);
  border-radius:48px;opacity:.22;pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  padding:96px 0;
}
.hero h1{margin-bottom:20px;}
.hero h1 .hl{
  background:linear-gradient(transparent 62%,rgba(184,242,60,.85) 62%);
  padding:0 4px;
}
.hero .lead{max-width:600px;font-size:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-note{
  margin-top:26px;font-size:14px;color:var(--muted);
  display:flex;align-items:center;gap:10px;
}
.hero-note i{color:var(--primary-deep);}
.hero-panel{
  background:var(--surface);
  border:1px solid var(--ink);
  border-radius:var(--radius-lg);
  box-shadow:6px 6px 0 var(--ink);
  padding:28px;
}
.hero-panel h3{font-size:1.05rem;margin-bottom:6px;}
.hero-panel .panel-sub{font-size:14px;color:var(--muted);margin-bottom:22px;}
.panel-stats{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.panel-stat{
  background:#FBF9F3;border:1px solid var(--line);border-radius:14px;
  padding:16px;
}
.panel-stat .num{
  font-family:var(--mono);font-size:30px;font-weight:900;color:var(--ink);
  line-height:1;letter-spacing:-.01em;
}
.panel-stat .num small{font-size:14px;font-weight:700;margin-left:3px;}
.panel-stat .txt{font-size:13px;color:var(--muted);margin-top:8px;}
.panel-foot{
  margin-top:20px;padding-top:18px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);display:flex;gap:10px;align-items:flex-start;
}
.panel-foot i{color:var(--accent);margin-top:3px;}

/* ---------- metrics strip ---------- */
.metrics{
  background:var(--ink);
  color:#F7F4EC;
  border-radius:var(--radius-lg);
  padding:38px 34px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;
  position:relative;overflow:hidden;
}
.metrics::before{
  content:"";position:absolute;right:-60px;bottom:-90px;width:260px;height:260px;
  background:radial-gradient(rgba(184,242,60,.35) 1.5px,transparent 1.5px);
  background-size:10px 10px;opacity:.7;
}
.metric .num{
  font-family:var(--mono);font-size:clamp(2rem,3.4vw,2.75rem);
  font-weight:900;color:var(--primary);line-height:1;letter-spacing:-.02em;
}
.metric .num small{font-size:16px;margin-left:4px;color:var(--primary);}
.metric .txt{font-size:14px;color:rgba(247,244,236,.72);margin-top:10px;line-height:1.6;}

/* ---------- topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.topic-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(17,19,24,.2);}
.topic-icon{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(184,242,60,.28);color:var(--ink);
  font-size:18px;margin-bottom:16px;
}
.topic-card h3{font-size:1.08rem;margin-bottom:8px;}
.topic-card p{font-size:14.5px;color:var(--muted);margin:0;}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:12.5px;font-weight:600;
  padding:4px 11px;border-radius:999px;
  background:rgba(184,242,60,.24);color:var(--ink-2);
  border:1px solid rgba(184,242,60,.7);
}
.tag--outline{background:transparent;border-color:var(--line);color:var(--muted);}

/* ---------- steps ---------- */
.steps-wrap{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:start;
}
.steps-figure{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-s);
  aspect-ratio:4/3;
}
.steps-figure img{width:100%;height:100%;object-fit:cover;}
.steps{display:grid;gap:16px;}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:22px 24px;
  transition:box-shadow .22s ease,transform .22s ease;
}
.step:hover{box-shadow:var(--shadow-s);transform:translateY(-2px);}
.step-num{
  font-family:var(--mono);font-weight:900;font-size:18px;
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--primary);
}
.step h3{font-size:1.02rem;margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- faq ---------- */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start;}
.faq-side{
  position:sticky;top:104px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-s);
}
.faq-side h3{font-size:1.1rem;}
.faq-side p{font-size:14.5px;color:var(--muted);}
.faq-side ul{display:grid;gap:10px;margin-top:18px;}
.faq-side li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--ink-2);
}
.faq-side li i{color:var(--primary-deep);margin-top:4px;}
.faq-list{display:grid;gap:12px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--line);
  border-left:4px solid transparent;
  border-radius:14px;
  overflow:hidden;
  transition:background .2s ease,border-color .2s ease;
}
.faq-item:hover{background:#FAFAF5;}
.faq-item.is-open{border-left-color:var(--primary);}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;
  padding:20px 22px;
  font-size:16.5px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  line-height:1.5;
}
.faq-icon{
  position:relative;flex:0 0 22px;height:22px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 22px 22px;
  font-size:15.5px;color:var(--muted);line-height:1.85;
}
.faq-a-inner strong{color:var(--ink-2);}

/* ---------- ticket form ---------- */
.ticket-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:start;}
.ticket-card{
  background:var(--surface);
  border:1px solid var(--ink);
  border-radius:var(--radius-lg);
  box-shadow:8px 8px 0 var(--primary);
  padding:36px;
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:14px;font-weight:700;color:var(--ink);
  margin-bottom:8px;
}
.field label span{color:var(--accent);}
.field input,.field select,.field textarea{
  width:100%;
  background:#FCFBF7;
  border:1px solid var(--line);
  border-radius:12px;
  padding:0 16px;
  height:48px;
  font-size:15px;color:var(--ink);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;padding:14px 16px;min-height:132px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9AA0AC;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary-deep);background:#fff;
  box-shadow:0 0 0 4px rgba(184,242,60,.35);
}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:7px;}
.consent{
  display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;color:var(--muted);margin:6px 0 20px;
}
.consent input{width:18px;height:18px;margin-top:3px;accent-color:#5E9E00;flex:0 0 18px;}
.form-submit{width:100%;}
.form-msg{
  display:none;margin-top:16px;
  background:rgba(184,242,60,.24);
  border:1px solid rgba(94,158,0,.4);
  color:var(--ink);border-radius:12px;
  padding:14px 16px;font-size:14.5px;
}
.form-msg.is-show{display:block;}
.side-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-s);
  margin-bottom:20px;
}
.side-card h3{font-size:1.05rem;margin-bottom:12px;}
.side-list{display:grid;gap:14px;}
.side-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--ink-2);}
.side-list i{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(124,92,255,.12);color:var(--accent-2);font-size:14px;
}
.time-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:20px;font-weight:900;color:var(--ink);
  background:rgba(46,211,183,.16);border:1px solid rgba(46,211,183,.5);
  border-radius:12px;padding:8px 14px;margin-bottom:12px;
}
.side-card p:last-child{margin-bottom:0;}

/* ---------- related ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rel-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-s);
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);}
.rel-media{aspect-ratio:16/10;overflow:hidden;background:#E8E5DC;}
.rel-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-media img{transform:scale(1.04);}
.rel-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.rel-body h3{font-size:1.06rem;margin-bottom:8px;}
.rel-body p{font-size:14.5px;color:var(--muted);flex:1;}
.rel-link{
  font-size:14px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.rel-link i{transition:transform .2s ease;}
.rel-card:hover .rel-link i{transform:translateX(4px);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:#F7F4EC;
  border-radius:var(--radius-lg);
  padding:52px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;left:-40px;top:-60px;width:240px;height:240px;
  background:radial-gradient(rgba(184,242,60,.5) 1.5px,transparent 1.5px);
  background-size:10px 10px;opacity:.6;
}
.cta-band h2{color:#fff;position:relative;z-index:2;}
.cta-band p{color:rgba(247,244,236,.76);position:relative;z-index:2;margin-bottom:0;}
.cta-form{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;height:50px;border-radius:999px;
  border:1px solid rgba(247,244,236,.28);
  background:rgba(247,244,236,.08);
  color:#F7F4EC;padding:0 20px;font-size:15px;
}
.cta-form input::placeholder{color:rgba(247,244,236,.55);}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(184,242,60,.28);}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:rgba(247,244,236,.78);
  padding:72px 0 26px;margin-top:96px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;
  padding-bottom:36px;border-bottom:1px solid rgba(247,244,236,.14);
}
.fb-logo{
  font-size:20px;font-weight:900;color:#fff;letter-spacing:-.01em;
  display:flex;flex-direction:column;line-height:1.2;margin-bottom:16px;
}
.fb-logo em{font-style:normal;font-size:11px;letter-spacing:.18em;color:rgba(247,244,236,.6);margin-top:4px;font-weight:700;}
.footer-brand p{font-size:14px;line-height:1.8;margin:0;color:rgba(247,244,236,.68);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:14px;color:rgba(247,244,236,.72);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{font-size:14px;line-height:1.7;color:rgba(247,244,236,.68);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding-top:24px;flex-wrap:wrap;font-size:13px;color:rgba(247,244,236,.6);
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom .links a{font-size:13px;color:rgba(247,244,236,.6);}
.footer-bottom .links a:hover{color:var(--primary);}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .section{padding:72px 0;}
  .hero{min-height:auto;}
  .hero-inner{grid-template-columns:1fr;gap:40px;padding:64px 0;}
  .hero-panel{max-width:560px;}
  .metrics{grid-template-columns:repeat(2,1fr);gap:24px;padding:32px 26px;}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .steps-wrap{grid-template-columns:1fr;gap:36px;}
  .steps-figure{aspect-ratio:16/9;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .faq-side{position:static;}
  .ticket-layout{grid-template-columns:1fr;gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-left,.nav-right{display:none;}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center;justify-self:end;}
  .header-inner{grid-template-columns:auto 1fr auto;height:64px;}
  .brand{justify-self:center;font-size:18px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .hero-inner{padding:48px 0;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .panel-stats{grid-template-columns:1fr;}
  .metrics{grid-template-columns:1fr;gap:20px;padding:26px 22px;}
  .topic-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:1fr;}
  .ticket-card{padding:24px 20px;box-shadow:5px 5px 0 var(--primary);}
  .form-row{grid-template-columns:1fr;gap:0;}
  .cta-band{padding:30px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand em{font-size:10px;letter-spacing:.12em;}
}

/* roulang page: category3 */
:root{
  --bg:#F7F4EC;
  --surface:#FFFFFF;
  --ink:#111318;
  --ink-2:#2A2E37;
  --muted:#5B616E;
  --line:rgba(17,19,24,.12);
  --primary:#B8F23C;
  --primary-deep:#5E9E00;
  --accent:#FF5A3C;
  --accent-2:#7C5CFF;
  --mint:#2ED3B7;
  --radius-sm:12px;
  --radius-md:18px;
  --radius-lg:28px;
  --pill:999px;
  --sh-1:0 8px 24px rgba(17,19,24,.08);
  --sh-2:0 16px 40px rgba(17,19,24,.12);
  --container:1200px;
  --pad-desktop:96px;
  --pad-tablet:72px;
  --pad-mobile:48px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.25;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,60,.35);outline-offset:2px;border-radius:6px}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px;width:100%}
@media screen and (max-width:639px){.grid-container{padding-left:16px;padding-right:16px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,244,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:76px;gap:16px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:26px;flex:1 1 0}
.nav-right{justify-content:flex-end;gap:22px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 2px;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--primary),var(--mint));
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink-2)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.nav-cta{
  background:linear-gradient(135deg,#FF5A3C,#FF7A3C);
  color:#fff;font-weight:700;padding:9px 18px;border-radius:var(--pill);
  box-shadow:0 6px 16px rgba(255,90,60,.28);
}
.nav-link.nav-cta::after{display:none}
.nav-link.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,90,60,.36);color:#fff}
.brand{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;
  line-height:1.1;text-align:center;flex:0 0 auto;
}
.brand-main{font-size:22px;font-weight:900;letter-spacing:.06em;color:var(--ink)}
.brand-sub{
  font-size:11px;letter-spacing:.34em;color:var(--muted);margin-top:4px;
  padding-top:4px;border-top:2px solid var(--primary);
}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);
  border-radius:12px;color:var(--ink);font-size:18px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--ink);color:var(--ink)}

/* ---------- Mobile drawer ---------- */
.mobile-drawer{
  display:none;position:fixed;inset:64px 0 0 0;z-index:70;
  background:var(--bg);padding:24px 16px 40px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;font-size:17px;font-weight:600;padding:15px 12px;
  border-bottom:1px solid var(--line);color:var(--ink-2);
}
.mobile-drawer a.is-active{color:var(--ink);border-left:4px solid var(--primary);padding-left:14px;background:#fff;border-radius:0 12px 12px 0}
.mobile-drawer a:hover{background:#fff;border-radius:12px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  border:1px solid transparent;cursor:pointer;font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:var(--pill);transition:all .22s ease;line-height:1.2;
}
.btn-primary{background:linear-gradient(135deg,#FF5A3C,#FF7A3C);color:#fff;box-shadow:0 8px 20px rgba(255,90,60,.3)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,60,.4);filter:brightness(.94)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--bg)}
.btn-lime{background:var(--primary);color:var(--ink);box-shadow:0 8px 20px rgba(184,242,60,.4)}
.btn-lime:hover{background:#a9e42f;color:var(--ink);transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13.5px}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:var(--pill);
  background:var(--primary);color:var(--ink);
}
.badge-outline{background:transparent;border:1px solid var(--primary-deep);color:var(--primary-deep)}
.badge-accent{background:rgba(255,90,60,.12);color:#C93B21;border:1px solid rgba(255,90,60,.3)}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:78px 0 88px;
  background-image:linear-gradient(180deg,rgba(247,244,236,.92),rgba(247,244,236,.99)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(17,19,24,.16) 1.4px,transparent 1.4px);
  background-size:14px 14px;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-90px;width:460px;height:460px;pointer-events:none;
  background:linear-gradient(135deg,var(--primary),var(--mint));
  clip-path:polygon(32% 0,100% 0,100% 68%,68% 100%,0 100%,0 32%);
  opacity:.34;transform:rotate(9deg);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:52px;align-items:center}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--primary-deep);text-transform:uppercase;margin-bottom:18px}
.hero-eyebrow i{color:var(--accent)}
.hero h1{font-size:clamp(2.1rem,4.4vw,3.6rem);margin-bottom:20px}
.hero h1 em{font-style:normal;position:relative;white-space:nowrap}
.hero h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:12px;z-index:-1;
  background:linear-gradient(90deg,rgba(184,242,60,.85),rgba(46,211,183,.6));border-radius:4px;
}
.hero-lead{font-size:17.5px;color:var(--muted);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px}
.hero-stats .stat strong{display:block;font-size:28px;font-weight:900;letter-spacing:-.02em;font-family:"Barlow Condensed",ui-monospace,SFMono-Regular,Menlo,monospace}
.hero-stats .stat span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--sh-2);
}
.hero-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.hero-card-body{padding:20px 22px 24px}
.hero-card-body h3{font-size:18px;margin-bottom:8px}
.hero-card-body p{font-size:14px;color:var(--muted);margin-bottom:14px}
.hero-float{
  position:absolute;left:-26px;bottom:-22px;background:var(--surface);
  border:1px solid var(--ink);box-shadow:4px 4px 0 var(--ink);
  border-radius:16px;padding:14px 18px;font-size:13px;font-weight:700;
}
.hero-float span{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-top:3px}

/* ---------- Update strip ---------- */
.update-strip{padding:26px 0;background:#fff;border-bottom:1px solid var(--line)}
.strip-inner{display:flex;align-items:center;gap:22px}
.strip-label{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:800;padding:7px 14px;border-radius:var(--pill);
  background:var(--ink);color:var(--bg);
}
.strip-scroll{
  display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;
}
.strip-scroll a{
  flex:0 0 auto;font-size:13.5px;color:var(--ink-2);background:var(--bg);
  border:1px solid var(--line);border-radius:var(--pill);padding:7px 16px;white-space:nowrap;
}
.strip-scroll a:hover{border-color:var(--primary-deep);background:#fff;color:var(--primary-deep)}
.strip-scroll a i{color:var(--accent);margin-right:6px;font-size:11px}

/* ---------- Sections ---------- */
.section{padding:var(--pad-desktop) 0}
.section-tight{padding:64px 0}
.section-head{margin-bottom:40px;max-width:720px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  letter-spacing:.16em;color:var(--primary-deep);margin-bottom:14px;
}
.section-head .kicker::before{content:"";width:26px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--primary),var(--mint))}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- Topic layout ---------- */
.topic-layout{display:grid;grid-template-columns:236px 1fr;gap:40px;align-items:start}
.topic-nav{
  position:sticky;top:104px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:20px 18px;box-shadow:var(--sh-1);
}
.topic-nav h3{font-size:14px;letter-spacing:.08em;color:var(--muted);font-weight:800;margin-bottom:14px}
.topic-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);
  padding:11px 12px;border-radius:10px;border-left:4px solid transparent;
}
.topic-nav a:hover{background:#FAFAF5;color:var(--ink);border-left-color:var(--primary)}
.topic-nav a.current{background:#F4FCE4;border-left-color:var(--primary-deep);color:var(--ink)}
.topic-nav a span{font-size:12px;color:var(--muted);font-weight:500}
.topic-nav .topic-help{
  margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);
}
.topic-nav .topic-help a{display:inline;padding:0;border:0;color:var(--primary-deep);font-weight:700;font-size:13px}
.topic-nav .topic-help a:hover{background:none;border:0;text-decoration:underline}

/* ---------- Article cards ---------- */
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.article-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.article-thumb{position:relative;overflow:hidden}
.article-thumb img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .5s ease}
.article-card:hover .article-thumb img{transform:scale(1.04)}
.article-thumb .thumb-badge{position:absolute;left:14px;top:14px}
.article-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.article-body h3{font-size:19px;margin-bottom:10px;line-height:1.4}
.article-body h3 a:hover{color:var(--primary-deep)}
.article-body p{font-size:14.5px;color:var(--muted);margin-bottom:16px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:12.5px;color:var(--muted);margin-top:auto;
}
.article-meta i{margin-right:5px;color:var(--primary-deep)}
.article-more{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13.5px;font-weight:700;color:var(--ink);display:inline-flex;align-items:center;gap:8px;
}
.article-more i{font-size:12px;transition:transform .2s ease}
.article-card:hover .article-more i{transform:translateX(4px)}
.article-card.feature{grid-column:span 2;display:grid;grid-template-columns:1.05fr 1fr}
.article-card.feature .article-thumb{height:100%}
.article-card.feature .article-thumb img{aspect-ratio:auto;height:100%;min-height:280px}
.article-card.feature .article-body{padding:30px 32px}
.article-card.feature .article-body h3{font-size:24px}

/* ---------- Rank list ---------- */
.rank-panel{
  background:var(--ink);color:var(--bg);border-radius:var(--radius-lg);
  padding:40px 40px 34px;position:relative;overflow:hidden;
}
.rank-panel::before{
  content:"";position:absolute;inset:0;opacity:.16;pointer-events:none;
  background-image:radial-gradient(rgba(247,244,236,.5) 1.3px,transparent 1.3px);
  background-size:16px 16px;
}
.rank-panel h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:10px;position:relative}
.rank-panel .rank-sub{color:rgba(247,244,236,.68);font-size:14.5px;margin-bottom:26px;position:relative}
.rank-list{position:relative;display:grid;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:18px;background:rgba(247,244,236,.06);
  border:1px solid rgba(247,244,236,.14);border-radius:14px;padding:16px 20px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.rank-item:hover{background:rgba(184,242,60,.12);border-color:rgba(184,242,60,.45);transform:translateX(4px)}
.rank-item .num{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;font-family:"Barlow Condensed",ui-monospace,monospace;
  background:rgba(184,242,60,.18);color:var(--primary);
}
.rank-item .rank-txt{flex:1 1 auto}
.rank-item .rank-txt strong{display:block;font-size:15.5px;color:#fff;font-weight:700}
.rank-item .rank-txt span{font-size:12.5px;color:rgba(247,244,236,.6)}
.rank-item .rank-tag{font-size:12px;color:var(--ink);background:var(--primary);border-radius:var(--pill);padding:3px 10px;font-weight:700}

/* ---------- Scenario cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(94,158,0,.4)}
.scene-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:19px;margin-bottom:16px;background:linear-gradient(135deg,rgba(184,242,60,.55),rgba(46,211,183,.35));color:var(--ink);
}
.scene-card h3{font-size:17.5px;margin-bottom:10px}
.scene-card p{font-size:14.5px;color:var(--muted);margin-bottom:0}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-md);padding:28px 22px 24px;box-shadow:var(--sh-1);
}
.step-card::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:20px;font-size:14px;font-weight:900;letter-spacing:.06em;
  background:var(--ink);color:var(--primary);padding:5px 12px;border-radius:var(--pill);
  font-family:"Barlow Condensed",ui-monospace,monospace;
}
.step-card h3{font-size:16.5px;margin:8px 0 10px}
.step-card p{font-size:14px;color:var(--muted);margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{background:#FAFAF5}
.faq-item.is-open{border-left:4px solid var(--primary)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;cursor:pointer;
  padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--ink);
}
.faq-q .faq-plus{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--bg);border:1px solid var(--line);font-size:13px;transition:transform .25s ease,background .25s ease;
}
.faq-item.is-open .faq-plus{transform:rotate(180deg);background:var(--primary);border-color:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a p{padding:0 22px 22px;font-size:15px;color:var(--muted);margin:0}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:var(--bg);
  border-radius:var(--radius-lg);padding:52px 48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;opacity:.18;pointer-events:none;
  background-image:radial-gradient(rgba(247,244,236,.55) 1.3px,transparent 1.3px);
  background-size:15px 15px;
}
.cta-band::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:320px;height:320px;pointer-events:none;
  background:linear-gradient(135deg,var(--primary),var(--mint));opacity:.35;
  clip-path:polygon(30% 0,100% 0,100% 70%,70% 100%,0 100%,0 30%);
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{color:#fff;font-size:clamp(1.5rem,2.8vw,2.1rem);margin-bottom:14px}
.cta-copy p{color:rgba(247,244,236,.75);font-size:15.5px;max-width:520px}
.cta-form{position:relative;z-index:2}
.cta-form label{display:block;font-size:13px;font-weight:700;color:rgba(247,244,236,.8);margin-bottom:8px}
.cta-form .field-row{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{
  flex:1 1 220px;height:48px;border-radius:12px;border:1px solid rgba(247,244,236,.22);
  background:rgba(247,244,236,.08);color:#fff;padding:0 16px;font-size:15px;
}
.cta-form input::placeholder{color:rgba(247,244,236,.5)}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(184,242,60,.25)}
.cta-form .hint{font-size:12.5px;color:rgba(247,244,236,.55);margin-top:12px}

/* ---------- Related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:26px 24px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.related-card .rc-icon{
  width:44px;height:44px;border-radius:12px;background:var(--bg);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:17px;color:var(--primary-deep);margin-bottom:14px;
}
.related-card h3{font-size:17px;margin-bottom:8px}
.related-card p{font-size:14px;color:var(--muted);margin-bottom:12px}
.related-card .rc-link{font-size:13.5px;font-weight:700;color:var(--primary-deep);display:inline-flex;align-items:center;gap:6px}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(247,244,236,.78);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .fb-logo{font-size:22px;font-weight:900;color:#fff;letter-spacing:.04em;display:flex;flex-direction:column;line-height:1.2}
.footer-brand .fb-logo em{font-style:normal;font-size:12px;letter-spacing:.3em;color:var(--primary);margin-top:6px;font-weight:700}
.footer-brand p{font-size:14px;margin-top:18px;color:rgba(247,244,236,.62);max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.06em}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:rgba(247,244,236,.7)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-contact li{font-size:13.5px;color:rgba(247,244,236,.62);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid rgba(247,244,236,.14);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:rgba(247,244,236,.55);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:20px}
.footer-bottom .links a{font-size:13px;color:rgba(247,244,236,.6)}
.footer-bottom .links a:hover{color:var(--primary)}

/* ---------- Responsive ---------- */
@media screen and (max-width:1023px){
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .header-inner{min-height:64px}
  .section{padding:var(--pad-tablet) 0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-float{left:auto;right:12px;bottom:-18px}
  .topic-layout{grid-template-columns:1fr;gap:26px}
  .topic-nav{position:static}
  .topic-nav ul{display:flex;flex-wrap:wrap;gap:8px}
  .topic-nav li{flex:0 0 auto}
  .topic-nav a{border:1px solid var(--line);border-radius:var(--pill);padding:8px 14px;font-size:13.5px;background:var(--bg)}
  .topic-nav .topic-help{margin-top:14px}
  .article-card.feature{grid-column:span 2;grid-template-columns:1fr}
  .article-card.feature .article-thumb img{min-height:220px;aspect-ratio:16/9}
  .article-card.feature .article-body{padding:24px}
  .article-card.feature .article-body h3{font-size:20px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:40px 30px}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .rank-panel{padding:32px 26px}
}
@media screen and (max-width:639px){
  body{font-size:16px}
  .section{padding:var(--pad-mobile) 0}
  .article-list{grid-template-columns:1fr}
  .article-card.feature{grid-column:span 1}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:26px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .hero-stats{gap:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-form .field-row{flex-direction:column}
  .cta-form input{width:100%}
  .cta-form .btn{width:100%}
  .rank-item{flex-wrap:wrap;gap:12px}
  .brand-main{font-size:19px}
  .brand-sub{font-size:10px;letter-spacing:.26em}
}