/* roulang page: index */
:root{
  --brand-1:#FF6A2B;
  --brand-2:#FF9F45;
  --grad:linear-gradient(135deg,#FF6A2B 0%,#FF9F45 100%);
  --grad-dark:linear-gradient(135deg,#E85A1E 0%,#F0902F 100%);
  --deep:#10302B;
  --deep-2:#1E4A43;
  --lime:#C8F04A;
  --bg:#FAF7F3;
  --bg-alt:#F3EDE6;
  --card:#FFFFFF;
  --line:#ECE6DE;
  --text:#171A1C;
  --text-2:#5A636A;
  --text-3:#8A9299;
  --on-dark:#F5F3EF;
  --on-dark-2:#C9D3D0;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,26,28,.06);
  --sh-2:0 12px 32px rgba(255,106,43,.16);
  --sh-3:0 24px 60px rgba(16,48,43,.18);
  --sec-y:88px;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;border:0;}
a{color:var(--deep);text-decoration:none;transition:color .2s ease;}
a:hover,a:focus{color:var(--brand-1);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);line-height:1.4;}
p{margin:0;}
input,select,textarea{font-family:inherit;}

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

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:18px;
  height:68px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:10px;
  background:var(--grad);
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  font-size:15px;
  font-weight:700;
  flex:0 0 auto;
  box-shadow:0 4px 12px rgba(255,106,43,.28);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:26px;
  margin-left:14px;
}
.nav-links a{
  position:relative;
  display:inline-block;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-1);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:14px;
}
.nav-search{position:relative;display:block;}
.nav-search input{
  width:220px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  padding:0 40px 0 16px;
  font-size:14px;
  color:var(--text);
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,106,43,.18);}
.nav-search i{
  position:absolute;
  right:15px;
  top:50%;
  transform:translateY(-50%);
  color:var(--text-3);
  font-size:13px;
  pointer-events:none;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  color:var(--deep);
  font-size:17px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:290px;
  max-width:86vw;
  background:#fff;
  box-shadow:var(--sh-3);
  transform:translateX(105%);
  transition:transform .3s ease;
  z-index:120;
  padding:22px 22px 30px;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head span{font-size:15px;font-weight:700;color:var(--deep);}
.drawer-close{
  width:36px;height:36px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  cursor:pointer;
  font-size:15px;
}
.drawer-close:hover{border-color:var(--brand-1);color:var(--brand-1);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px;}
.drawer-nav a{
  display:block;
  padding:12px 14px;
  border-radius:var(--r-md);
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  background:var(--bg);
}
.drawer-nav a:hover{background:var(--bg-alt);color:var(--brand-1);}
.drawer-nav a.active{background:rgba(255,106,43,.1);color:var(--brand-1);font-weight:700;}
.drawer .btn{width:100%;}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(16,48,43,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .3s ease,visibility .3s ease;
  z-index:110;
}
.drawer-mask.open{opacity:1;visibility:visible;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  border:1.5px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(255,106,43,.28);}
.btn-primary:hover{background:var(--grad-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:#fff;border-color:var(--deep);color:var(--deep);}
.btn-outline:hover{background:var(--deep);color:#fff;transform:translateY(-1px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.75);color:#fff;}
.btn-ghost:hover{background:#fff;color:var(--deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.btn[aria-pressed="true"]{background:var(--deep);color:#fff;}
.btn[aria-pressed="true"]:hover{background:var(--deep-2);color:#fff;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);}
.hero-media{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.hero-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(255,106,43,.86) 0%,rgba(255,159,69,.58) 46%,rgba(16,48,43,.88) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding-top:76px;
  padding-bottom:76px;
}
.hero-card{
  max-width:760px;
  background:rgba(255,255,255,.97);
  border-radius:var(--r-xl);
  padding:38px 40px 34px;
  box-shadow:var(--sh-3);
}
.hero-tag{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--deep);
  background:var(--lime);
  border-radius:var(--r-pill);
  padding:5px 14px;
  margin-bottom:18px;
}
.hero-card h1{
  font-size:44px;
  line-height:1.32;
  font-weight:700;
  letter-spacing:.5px;
  margin-bottom:16px;
}
.hero-card h1 em{
  font-style:normal;
  background:linear-gradient(180deg,transparent 62%,rgba(200,240,74,.85) 62%);
  padding:0 2px;
}
.hero-sub{
  font-size:17px;
  font-weight:500;
  color:var(--text-2);
  line-height:1.8;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  background:var(--lime);
  color:var(--deep);
  border-radius:var(--r-pill);
  padding:6px 12px;
  font-size:13px;
  font-weight:700;
  line-height:1.4;
}
.badge strong{font-weight:700;}

/* ---------- sections ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--bg-alt);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:36px;
}
.sec-head h2{font-size:30px;font-weight:700;}
.sec-head .sec-desc{
  margin-top:8px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.7;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-1);
  white-space:nowrap;
}
.link-more:hover{color:var(--deep);}
.link-more i{font-size:12px;transition:transform .2s ease;}
.link-more:hover i{transform:translateX(3px);}

/* ---------- cards ---------- */
.card{
  display:block;
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,106,43,.3);
  color:inherit;
}
.col-card{padding:24px;height:100%;}
.col-ico{
  width:46px;
  height:46px;
  border-radius:var(--r-md);
  background:var(--bg-alt);
  color:var(--brand-1);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  margin-bottom:16px;
  transition:background .25s ease,color .25s ease;
}
.card:hover .col-ico{background:var(--grad);color:#fff;}
.col-card h3{font-size:18px;margin-bottom:8px;}
.col-card p{font-size:14px;color:var(--text-2);line-height:1.7;}
.col-count{
  position:absolute;
  top:20px;right:20px;
  font-size:12px;
  font-weight:700;
  color:var(--deep);
  background:var(--lime);
  border-radius:var(--r-pill);
  padding:4px 11px;
}

/* ---------- featured ---------- */
.feat-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:34px;
  align-items:center;
  padding:30px 0;
  border-top:1px solid var(--line);
}
.feat-row:first-child{border-top:0;padding-top:0;}
.feat-row.rev{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);}
.feat-row.rev .feat-media{order:2;}
.feat-media{
  aspect-ratio:16/10;
  border-radius:var(--r-lg);
  overflow:hidden;
  background:var(--bg-alt);
}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feat-row:hover .feat-media img{transform:scale(1.04);}
.feat-body h3{font-size:22px;margin:12px 0 10px;line-height:1.5;}
.feat-body .feat-text{font-size:15px;color:var(--text-2);line-height:1.85;}
.feat-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px;
  margin-top:16px;
  font-size:13px;
  color:var(--text-3);
}
.feat-meta span{display:inline-flex;align-items:center;gap:6px;}

.tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--deep);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:4px 12px;
  line-height:1.5;
  transition:background .2s ease,border-color .2s ease;
}
.tag:hover{background:var(--bg-alt);border-color:rgba(255,106,43,.3);}

/* ---------- news / cms ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.news-item{
  display:flex;
  flex-direction:column;
  gap:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,106,43,.3);
  color:inherit;
}
.news-item h3{
  font-size:17px;
  line-height:1.6;
  transition:color .2s ease;
}
.news-item:hover h3{color:var(--brand-1);}
.news-item p{
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:auto;
  font-size:13px;
  color:var(--text-3);
}
.empty-state{
  text-align:center;
  padding:56px 20px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
}
.empty-ico{
  width:64px;
  height:64px;
  margin:0 auto 16px;
  border-radius:50%;
  background:rgba(255,106,43,.14);
  color:var(--brand-1);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:24px;
}
.empty-state p{font-size:15px;color:var(--text-2);}

/* ---------- rail ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 2px 16px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 272px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rail-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,106,43,.3);
  color:inherit;
}
.rail-thumb{aspect-ratio:4/3;background:var(--bg-alt);overflow:hidden;}
.rail-thumb img{width:100%;height:100%;object-fit:cover;}
.rail-body{padding:16px 18px 20px;}
.rail-body h3{font-size:16px;line-height:1.55;margin:10px 0 0;}
.rail-card:hover .rail-body h3{color:var(--brand-1);}

/* ---------- faq ---------- */
.faq-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:8px;
}
.faq-card .accordion{
  background:transparent;
  border:0;
  margin:0;
}
.faq-card .accordion-item{border:0;background:transparent;}
.faq-card .accordion-title{
  border:0;
  margin:0;
  padding:17px 58px 17px 20px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  background:transparent;
  border-radius:var(--r-md);
  position:relative;
  transition:background .2s ease,color .2s ease;
}
.faq-card .accordion-title:hover{background:var(--bg);color:var(--brand-1);}
.faq-card .accordion-title:focus{outline:2px solid var(--lime);outline-offset:-2px;}
.faq-card .accordion-title::after{
  content:"\002B";
  position:absolute;
  right:22px;
  top:50%;
  transform:translateY(-50%);
  font-size:19px;
  font-weight:400;
  color:var(--brand-1);
  line-height:1;
}
.faq-card .accordion-title[aria-expanded="true"]{color:var(--brand-1);}
.faq-card .accordion-title[aria-expanded="true"]::after{content:"\2212";}
.faq-card .accordion-content{
  border:0;
  background:transparent;
  padding:0 22px 20px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
}
.faq-card .accordion-content p{margin:0;}

/* ---------- cta ---------- */
.cta-card{
  background:var(--grad);
  border-radius:var(--r-xl);
  padding:46px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  box-shadow:var(--sh-2);
  color:#fff;
}
.cta-text h2{color:#fff;font-size:28px;margin-bottom:10px;}
.cta-text p{color:rgba(255,255,255,.92);font-size:15px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--deep);
  color:var(--on-dark);
  padding-top:64px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--on-dark);
  margin-bottom:16px;
}
.footer-brand .brand-mark{box-shadow:none;}
.footer-desc{
  font-size:14px;
  color:var(--on-dark-2);
  line-height:1.85;
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  color:var(--on-dark);
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{
  font-size:14px;
  color:var(--on-dark-2);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--lime);}
.footer-col li span{font-size:14px;color:var(--on-dark-2);}
.footer-bottom{
  border-top:1px solid var(--deep-2);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--on-dark-2);
}
.footer-bottom a{color:var(--on-dark-2);}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  :root{--sec-y:64px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:64px;}
  .hero-card h1{font-size:34px;}
  .hero-card{padding:32px 28px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:38px 32px;}
  .feat-row,
  .feat-row.rev{grid-template-columns:1fr;gap:20px;}
  .feat-row.rev .feat-media{order:0;}
}

@media screen and (max-width:639px){
  :root{--sec-y:48px;}
  .container{padding:0 16px;}
  .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:13px;}
  .hero-inner{padding-top:44px;padding-bottom:44px;}
  .hero-card{padding:24px 20px 22px;border-radius:var(--r-lg);}
  .hero-card h1{font-size:26px;}
  .hero-sub{font-size:15px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;margin-bottom:26px;}
  .sec-head h2{font-size:22px;}
  .news-grid{grid-template-columns:1fr;}
  .rail-card{flex:0 0 82%;}
  .cta-card{padding:30px 22px;border-radius:var(--r-lg);}
  .cta-text h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 0;padding:0 12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-desc{max-width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --brand-1:#FF6A2B;
  --brand-2:#FF9F45;
  --brand-grad:linear-gradient(135deg,#FF6A2B 0%,#FF9F45 100%);
  --deep:#10302B;
  --deep-2:#1E4A43;
  --accent:#C8F04A;
  --bg:#FAF7F3;
  --card:#FFFFFF;
  --alt:#F3EDE6;
  --line:#ECE6DE;
  --text:#171A1C;
  --text-2:#5A636A;
  --text-3:#8A9299;
  --light:#F5F3EF;
  --light-2:#C9D3D0;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,26,28,.06);
  --sh-2:0 12px 32px rgba(255,106,43,.16);
  --sh-3:0 24px 60px rgba(16,48,43,.18);
  --container:1200px;
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;border:0;}
a{color:var(--deep);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-1);}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--text);}
p{margin:0;}
button{font-family:inherit;}
input,button{font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{display:flex;align-items:center;gap:26px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;flex:0 0 auto;}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-grad);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:26px;margin-right:auto;}
.nav-links a{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--deep);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-1);}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{position:relative;display:block;margin:0;}
.nav-search input{
  width:230px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;padding:0 38px 0 16px;color:var(--text);font-size:14px;
  transition:border-color .2s,box-shadow .2s;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,106,43,.18);}
.nav-search i{position:absolute;right:15px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:13px;pointer-events:none;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--deep);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,48,43,.45);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;width:288px;max-width:84vw;height:100%;
  background:#fff;box-shadow:var(--sh-3);padding:20px;
  transform:translateX(105%);transition:transform .3s ease;z-index:90;
  display:flex;flex-direction:column;gap:6px;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-head span{font-weight:700;font-size:16px;color:var(--deep);}
.drawer-close{width:36px;height:36px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;color:var(--deep);cursor:pointer;}
.drawer-close:hover{border-color:var(--brand-1);color:var(--brand-1);}
.nav-drawer a{
  display:block;padding:13px 14px;border-radius:var(--r-md);
  font-size:15px;font-weight:500;color:var(--text-2);background:var(--bg);
}
.nav-drawer a.active{color:#fff;background:var(--brand-grad);}
.nav-drawer a:hover{color:var(--deep);background:var(--alt);}
.nav-drawer a.active:hover{color:#fff;background:var(--brand-grad);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-pill);
  border:1.5px solid transparent;font-size:15px;font-weight:500;line-height:1;
  cursor:pointer;transition:transform .2s,box-shadow .2s,background .2s,color .2s,border-color .2s,filter .2s;
}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24);}
.btn-primary:hover{color:#fff;filter:brightness(.94);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;border-color:var(--deep);color:var(--deep);}
.btn-ghost:hover{background:var(--deep);color:#fff;}
.btn-line{background:#fff;border-color:var(--line);color:var(--deep);}
.btn-line:hover{border-color:var(--brand-1);color:var(--brand-1);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  background:var(--accent);color:var(--deep);
  border-radius:var(--r-pill);padding:6px 12px;
  font-size:13px;font-weight:700;line-height:1.2;
}
.badge-num{font-weight:700;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  color:var(--deep);font-size:13px;font-weight:500;
}
.tag:hover{background:var(--alt);color:var(--deep);}

/* ============ 首屏 ============ */
.page-hero{position:relative;overflow:hidden;background:var(--deep);}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5;}
.page-hero .hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(255,106,43,.88) 0%,rgba(16,48,43,.88) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.hero-card{
  max-width:840px;background:rgba(255,255,255,.96);
  border-radius:var(--r-xl);padding:30px 34px;box-shadow:var(--sh-3);
}
.hero-card .badge{margin-bottom:16px;}
.hero-card h1{font-size:clamp(26px,3.2vw,42px);line-height:1.3;letter-spacing:-.01em;}
.hero-card h1 em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{margin-top:14px;color:var(--text-2);font-size:16px;max-width:660px;}
.hero-actions{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 板块 ============ */
.section{padding:var(--sec-y) 0;}
.section-alt{background:var(--alt);}
.section-deep{background:var(--deep);color:var(--light);}
.section-deep h2,.section-deep h3{color:#fff;}
.section-deep p{color:var(--light-2);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);}
.sec-sub{margin-top:10px;color:var(--text-2);font-size:15px;max-width:640px;}
.sec-link{font-size:15px;font-weight:500;color:var(--brand-1);white-space:nowrap;}
.sec-link:hover{color:var(--brand-1);text-decoration:underline;text-underline-offset:4px;}

/* 自检条 */
.check-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.check-item{display:flex;align-items:flex-start;gap:12px;}
.check-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:var(--r-md);
  background:rgba(255,106,43,.12);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.check-item h3{font-size:16px;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.75;}

/* ============ 步骤流 ============ */
.steps{display:flex;flex-direction:column;gap:30px;}
.step-row{
  position:relative;display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.3);}
.step-row:not(:last-child)::after{
  content:"";position:absolute;left:50%;bottom:-30px;height:30px;
  border-left:2px dashed #dcd4c9;
}
.step-row:nth-child(even) .step-media{order:-1;}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:12px;}
.step-num{
  width:44px;height:44px;flex:0 0 auto;border-radius:var(--r-md);
  background:var(--accent);color:var(--deep);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;
}
.step-head h3{font-size:22px;}
.step-body p{color:var(--text-2);font-size:15.5px;}
.step-points{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.step-points li{position:relative;padding-left:20px;font-size:14.5px;color:var(--text-2);}
.step-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:var(--brand-grad);
}
.step-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-md);background:var(--alt);
}

/* ============ 深色三栏 ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.deep-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(201,211,208,.18);
  border-radius:var(--r-lg);padding:24px;
  transition:background .25s,transform .25s;
}
.deep-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);}
.deep-card h3{font-size:18px;margin-bottom:10px;}
.deep-card p{font-size:14.5px;color:var(--light-2);}
.deep-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:var(--accent);color:var(--deep);
  font-weight:700;font-size:15px;margin-bottom:14px;
}

/* ============ FAQ ============ */
.faq-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.faq-wrap .accordion{border:0;background:transparent;margin:0;}
.faq-wrap .accordion-item{border:0;border-bottom:1px solid var(--line);}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-title{
  border:0;background:transparent;padding:18px 40px 18px 0;
  font-size:16.5px;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-wrap .accordion-title:hover{color:var(--brand-1);}
.faq-wrap .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand-1);right:6px;top:50%;transform:translateY(-50%);
  font-size:14px;
}
.faq-wrap .accordion-item.is-active .accordion-title::before{content:"\f068";}
.faq-wrap .accordion-content{
  border:0;background:transparent;padding:0 40px 20px 0;
  color:var(--text-2);font-size:15px;line-height:1.85;
}

/* ============ 相关推荐 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.rec-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.3);color:var(--text);}
.rec-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--alt);}
.rec-body{padding:20px 22px 24px;}
.rec-body h3{font-size:19px;margin-bottom:10px;}
.rec-body p{font-size:14.5px;color:var(--text-2);}
.rec-foot{margin-top:14px;font-size:14px;font-weight:500;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:var(--light);padding:64px 0 0;margin-top:88px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:15px;}
.footer-desc{color:var(--light-2);font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;}
.footer-col li{margin-bottom:10px;}
.footer-col a,.footer-col span{color:var(--light-2);font-size:14px;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(201,211,208,.18);margin-top:40px;padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--light-2);flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sec-y:64px;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{gap:16px;justify-content:space-between;}
  .check-bar{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:1fr;}
  .step-row{grid-template-columns:1fr;gap:20px;padding:22px;}
  .step-row:nth-child(even) .step-media{order:0;}
  .step-row:not(:last-child)::after{display:none;}
  .rec-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:639px){
  :root{--sec-y:48px;}
  .container{padding:0 16px;}
  .site-header .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:14px;}
  .nav-inner{height:56px;}
  .page-hero .container{padding-top:36px;padding-bottom:36px;}
  .hero-card{padding:22px 20px;border-radius:var(--r-lg);}
  .hero-sub{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .step-head h3{font-size:18px;}
  .step-num{width:38px;height:38px;font-size:16px;}
  .faq-wrap,.check-bar{padding:20px;}
  .sec-head{margin-bottom:24px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --brand-1:#FF6A2B;
  --brand-2:#FF9F45;
  --brand-grad:linear-gradient(135deg,#FF6A2B 0%,#FF9F45 100%);
  --ink:#10302B;
  --ink-2:#1E4A43;
  --lime:#C8F04A;
  --bg:#FAF7F3;
  --card:#FFFFFF;
  --alt:#F3EDE6;
  --line:#ECE6DE;
  --text:#171A1C;
  --text-2:#5A636A;
  --text-3:#8A9299;
  --dtext:#F5F3EF;
  --dtext-2:#C9D3D0;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,26,28,.06);
  --sh-2:0 12px 32px rgba(255,106,43,.16);
  --sh-3:0 24px 60px rgba(16,48,43,.18);
  --gutter:24px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -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}
a:hover{color:var(--brand-1)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35}
p{margin:0}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--section) 0}
.section-alt{background:var(--alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.section-head h2{font-size:30px;color:var(--ink)}
.section-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand-1);white-space:nowrap}
.text-link:hover{color:var(--ink)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:700;white-space:nowrap;transition:all .22s ease;border:1.5px solid transparent}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 6px 18px rgba(255,106,43,.24)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);filter:brightness(.94);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.7);color:#fff}
.btn-ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;flex:none}
.brand:hover{color:var(--ink)}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex:none;line-height:1}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:6px}
.nav-links a{position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:var(--text-2)}
.nav-links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;background:var(--brand-grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-1);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search input{width:224px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;padding:0 42px 0 16px;font-size:14px;color:var(--text);transition:all .2s ease}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.nav-search i{position:absolute;right:15px;font-size:14px;color:var(--text-3);pointer-events:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--line);color:var(--ink);align-items:center;justify-content:center;font-size:16px}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1)}

.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;box-shadow:var(--sh-3);z-index:120;transform:translateX(102%);transition:transform .3s ease;padding:24px;overflow-y:auto}
.nav-drawer.open{transform:translateX(0)}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.nav-drawer-head strong{font-size:15px;color:var(--ink)}
.drawer-close{width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:center}
.drawer-close:hover{border-color:var(--brand-1);color:var(--brand-1)}
.nav-drawer ul li+li{margin-top:4px}
.nav-drawer ul a{display:block;padding:12px 14px;border-radius:var(--r-md);font-size:15px;font-weight:500;color:var(--text-2)}
.nav-drawer ul a:hover,.nav-drawer ul a.active{background:var(--alt);color:var(--ink)}
.nav-drawer .btn{margin-top:20px}
.drawer-mask{position:fixed;inset:0;background:rgba(16,48,43,.42);z-index:110;opacity:0;visibility:hidden;transition:opacity .3s ease}
.drawer-mask.open{opacity:1;visibility:visible}

/* ---------- 面包屑 ---------- */
.article-main{padding:36px 0 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px;line-height:1.6}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb i{font-size:10px;color:var(--text-3)}
.breadcrumb .cur{color:var(--ink);font-weight:700}

/* ---------- 文章头部 ---------- */
.article-head{max-width:900px}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:700;background:#fff;border:1px solid var(--line);color:var(--ink);line-height:1}
.tag-cat{background:rgba(200,240,74,.38);border-color:rgba(200,240,74,.95);color:var(--ink)}
.tag-link{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:13px;font-weight:500;background:#fff;border:1px solid var(--line);color:var(--ink-2)}
.tag-link:hover{background:var(--alt);border-color:var(--brand-1);color:var(--brand-1)}
.article-head h1{font-size:44px;line-height:1.3;letter-spacing:-.5px;color:var(--ink);margin-top:16px}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 20px;margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.6}
.meta-row span{display:inline-flex;align-items:center;gap:6px}
.head-rule{height:1px;background:var(--line);margin-top:24px}

/* ---------- 文章布局 ---------- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:48px;align-items:start;padding:40px 0 56px}
.article-body{max-width:780px;font-size:16px;line-height:1.85;color:#222a2e}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{position:relative;font-size:30px;color:var(--ink);margin:40px 0 18px;padding-left:16px}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--brand-grad)}
.article-body h3{font-size:22px;color:var(--ink);margin:28px 0 14px}
.article-body h4{font-size:18px;color:var(--ink);margin:22px 0 12px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body ul{list-style:none;padding-left:6px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:0;top:.68em;width:8px;height:8px;border-radius:3px;background:var(--brand-grad)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:10px}
.article-body ol li::marker{color:var(--brand-1);font-weight:700}
.article-body blockquote{margin:22px 0;padding:18px 22px;background:var(--alt);border-left:4px solid var(--brand-1);border-radius:var(--r-md);color:var(--text-2)}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-lg);width:100%;margin:22px 0 8px}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);line-height:1.6;text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left;line-height:1.7}
.article-body th{background:var(--alt);color:var(--ink);font-weight:700}
.article-body .tip,.article-body .notice{display:flex;gap:12px;background:rgba(200,240,74,.22);border-left:4px solid var(--lime);border-radius:var(--r-md);padding:16px 20px;margin:22px 0;font-size:15px;color:var(--ink-2)}
.article-body a{color:var(--brand-1);font-weight:500;border-bottom:1px solid rgba(255,106,43,.35)}
.article-body a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 空态 ---------- */
.empty-state{text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1)}
.empty-icon{width:58px;height:58px;border-radius:50%;background:rgba(255,106,43,.12);color:var(--brand-1);display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 18px}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--brand-1);font-size:14px}
.side-list li+li{margin-top:12px}
.side-list a{display:block;font-size:14px;line-height:1.65;color:var(--text-2)}
.side-list a:hover{color:var(--brand-1)}
.side-list .idx{display:inline-block;margin-right:8px;font-weight:700;color:var(--brand-1)}
.side-card .btn{margin-top:16px}

/* ---------- 文末组件 ---------- */
.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:22px 0;border-top:1px solid var(--line)}
.post-tags .label{font-size:13px;color:var(--text-3);margin-right:4px}
.action-bar{display:flex;flex-wrap:wrap;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 22px;margin-top:24px;box-shadow:var(--sh-1)}
.action-bar .hint{font-size:14px;color:var(--text-2);margin-right:auto}
.action-bar .vline{width:1px;height:24px;background:var(--line);margin:0 2px}
.btn-collected{background:var(--ink);border-color:var(--ink);color:#fff}
.btn-collected:hover{background:var(--ink);color:#fff}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:40px}
.pager-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-1);transition:all .22s ease}
.pager-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.35);box-shadow:var(--sh-2);color:inherit}
.pager-card .k{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px}
.pager-card .t{display:block;font-size:16px;font-weight:700;color:var(--ink);line-height:1.6}
.pager-card:hover .t{color:var(--brand-1)}
.pager-card.disabled{cursor:default;background:var(--alt)}
.pager-card.disabled:hover{transform:none;box-shadow:var(--sh-1);border-color:var(--line)}
.pager-card.disabled .t{color:var(--text-3);font-weight:500}

.related-block{margin-top:56px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.post-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:all .22s ease}
.post-card:hover{transform:translateY(-4px);border-color:rgba(255,106,43,.35);box-shadow:var(--sh-2);color:inherit}
.post-thumb{position:relative;width:100%;aspect-ratio:16/10;overflow:hidden;background:var(--alt)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{padding:18px 20px 22px}
.post-body h3{font-size:17px;color:var(--ink);line-height:1.55;margin-bottom:8px}
.post-card:hover .post-body h3{color:var(--brand-1)}
.post-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:12px}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}

.back-cat{display:flex;justify-content:center;margin-top:40px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--dtext-2);margin-top:80px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;white-space:nowrap}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;max-width:330px}
.footer-col h4{color:var(--dtext);font-size:15px;margin-bottom:16px}
.footer-col li+li{margin-top:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--dtext-2);line-height:1.7}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid rgba(255,255,255,.12);margin-top:48px;padding:22px 0;font-size:13px}

/* ---------- 响应式 ---------- */
@media (max-width:1439px){
  .container{max-width:1140px}
}
@media (max-width:1023px){
  :root{--section:64px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .article-head h1{font-size:34px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;padding:32px 0 48px}
  .article-body{max-width:none}
  .article-side{position:static}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-body h2{font-size:26px}
}
@media (max-width:639px){
  :root{--section:48px;--gutter:16px}
  .container{padding:0 16px}
  .nav-inner{height:56px;gap:12px}
  .brand{font-size:15px}
  .brand-mark{width:30px;height:30px;font-size:14px;border-radius:9px}
  .nav-toggle{width:38px;height:38px}
  .article-main{padding:20px 0 0}
  .article-head h1{font-size:26px}
  .article-body{font-size:15px}
  .article-body h2{font-size:22px;margin:32px 0 16px}
  .article-body h3{font-size:18px}
  .article-body ul,.article-body ol{padding-left:16px}
  .pager{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .action-bar .hint{width:100%;margin-right:0}
  .action-bar .vline{display:none}
  .action-bar .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-1:#FF6A2B;
  --brand-2:#FF9F45;
  --brand-grad:linear-gradient(135deg,#FF6A2B 0%,#FF9F45 100%);
  --ink:#10302B;
  --ink-2:#1E4A43;
  --accent:#C8F04A;
  --bg:#FAF7F3;
  --bg-alt:#F3EDE6;
  --card:#FFFFFF;
  --line:#ECE6DE;
  --text:#171A1C;
  --text-2:#5A636A;
  --text-3:#8A9299;
  --on-dark:#F5F3EF;
  --on-dark-2:#C9D3D0;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,26,28,.06);
  --sh-2:0 12px 32px rgba(255,106,43,.16);
  --sh-3:0 24px 60px rgba(16,48,43,.18);
  --pad-y:88px;
  --gutter:24px;
  --container:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  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,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--brand-1);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;line-height:1.35;}
h1{font-size:44px;}
h2{font-size:30px;}
h3{font-size:22px;}
h4{font-size:18px;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul,ol{padding-left:0;}
input,button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.section{padding-top:var(--pad-y);padding-bottom:var(--pad-y);}
.section-alt{background:var(--bg-alt);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{position:relative;padding-bottom:14px;}
.section-head h2::after{
  content:"";
  position:absolute;left:0;bottom:0;
  width:56px;height:4px;border-radius:var(--r-pill);
  background:var(--brand-grad);
}
.section-sub{color:var(--text-2);font-size:15px;max-width:620px;margin-top:10px;}
.link-more{
  font-size:14px;font-weight:500;color:var(--ink);white-space:nowrap;
  border-bottom:1.5px solid transparent;padding-bottom:2px;
}
.link-more:hover{border-bottom-color:var(--brand-1);color:var(--brand-1);}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 24px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  border:1.5px solid transparent;
  cursor:pointer;
  text-align:center;
  line-height:1.2;
}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 6px 18px rgba(255,106,43,.22);
}
.btn-primary:hover{
  color:#fff;
  filter:brightness(.94);
  transform:translateY(-1px);
  box-shadow:var(--sh-2);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  border-color:var(--ink);
  color:var(--ink);
}
.btn-ghost:hover{
  background:var(--ink);
  color:#fff;
  transform:translateY(-1px);
}
.btn-ghost-light{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.72);
  color:#fff;
}
.btn-ghost-light:hover{background:#fff;color:var(--ink);}
.btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.btn-block{width:100%;}

/* 徽章与标签 */
.badge{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:6px 12px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  line-height:1.4;
  white-space:nowrap;
}
.badge span.num{font-size:15px;font-weight:700;}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:13px;
  line-height:1.6;
}
.tag:hover{background:var(--bg-alt);}
.eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:500;
  letter-spacing:.04em;
  color:var(--brand-1);
  margin-bottom:14px;
}

/* 顶栏导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.nav-inner{
  height:68px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  flex-shrink:0;
}
.brand:hover{color:var(--text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:34px;height:34px;
  flex:0 0 34px;
  border-radius:10px;
  background:var(--brand-grad);
  color:#fff;
  font-size:16px;
  font-weight:700;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  padding:6px 0;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:var(--r-pill);
  background:var(--brand-grad);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--brand-1);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{
  display:flex;
  align-items:center;
  gap:14px;
  flex-shrink:0;
}
.nav-search{
  position:relative;
  display:block;
  margin:0;
}
.nav-search input{
  width:220px;
  height:40px;
  padding:0 38px 0 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--text);
  margin:0;
  box-shadow:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  outline:none;
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(255,106,43,.18);
}
.nav-search i{
  position:absolute;
  right:14px;top:50%;
  transform:translateY(-50%);
  color:var(--text-3);
  font-size:14px;
  pointer-events:none;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:17px;
  cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(16,48,43,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:300px;
  max-width:86vw;
  height:100%;
  background:#fff;
  z-index:90;
  transform:translateX(102%);
  transition:transform .28s ease;
  padding:26px 22px;
  box-shadow:var(--sh-3);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:22px;
}
.drawer-close{
  width:38px;height:38px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  cursor:pointer;
  font-size:15px;
}
.drawer-close:hover{border-color:var(--brand-1);color:var(--brand-1);}
.drawer-links{list-style:none;margin:0 0 24px;padding:0;}
.drawer-links li{border-bottom:1px solid var(--line);}
.drawer-links a{
  display:block;
  padding:15px 4px;
  font-size:16px;
  font-weight:500;
  color:var(--text-2);
}
.drawer-links a:hover,.drawer-links a.active{color:var(--brand-1);font-weight:700;}

/* Hero */
.hero{
  position:relative;
  padding-top:64px;
  padding-bottom:72px;
  overflow:hidden;
  background-color:var(--bg);
  background-image:linear-gradient(135deg,rgba(255,106,43,.90) 0%,rgba(255,159,69,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0 0;
  height:120px;
  background:linear-gradient(180deg,rgba(250,247,243,0) 0%,rgba(250,247,243,.96) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-copy .hero-tag{
  display:inline-block;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  margin-bottom:18px;
}
.hero-copy h1{
  font-size:44px;
  color:#fff;
  margin-bottom:20px;
  text-shadow:0 4px 24px rgba(16,48,43,.28);
}
.hero-copy h1 em{
  font-style:normal;
  position:relative;
  display:inline-block;
}
.hero-copy h1 em::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:4px;
  height:8px;
  border-radius:var(--r-pill);
  background:var(--accent);
  opacity:.9;
  z-index:-1;
}
.hero-copy p{
  color:rgba(255,255,255,.94);
  font-size:16px;
  max-width:520px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;}
.hero-figure{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-3);
  border:5px solid rgba(255,255,255,.55);
  background:#fff;
}
.hero-figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.float-badge{
  position:absolute;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:var(--ink);
  font-size:13px;
  font-weight:700;
  box-shadow:var(--sh-2);
  white-space:nowrap;
}
.float-badge .num{font-size:16px;}
.fb-1{top:-16px;left:-14px;}
.fb-2{bottom:26px;left:-22px;}
.fb-3{bottom:-16px;right:22px;}

/* 特性网格 */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.feature-card{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.feature-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,106,43,.3);
}
.feature-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;height:48px;
  border-radius:var(--r-md);
  background:var(--bg-alt);
  color:var(--brand-1);
  font-size:20px;
  margin-bottom:18px;
}
.feature-card h3{font-size:20px;margin-bottom:10px;}
.feature-card p{color:var(--text-2);font-size:15px;margin-bottom:18px;}
.feature-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:14px;
  font-weight:500;
  color:var(--ink);
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.feature-card:hover .feature-foot{color:var(--brand-1);}
.feature-foot i{font-size:12px;transition:transform .2s ease;}
.feature-card:hover .feature-foot i{transform:translateX(4px);}

/* 指标条 */
.metric-bar{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  margin-top:40px;
}
.metric-cell{
  background:#fff;
  padding:26px 24px;
}
.metric-cell .metric-label{
  font-size:13px;
  color:var(--text-3);
  margin-bottom:8px;
}
.metric-cell .metric-value{
  font-size:20px;
  font-weight:700;
  color:var(--ink);
}
.metric-cell .metric-note{
  font-size:13px;
  color:var(--text-2);
  margin-top:6px;
}

/* 步骤提示条目 */
.check-list{list-style:none;margin:0;padding:0;}
.check-list li{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--text-2);
}
.check-list li:last-child{border-bottom:none;}
.check-list li i{
  color:var(--brand-1);
  font-size:15px;
  margin-top:6px;
  flex-shrink:0;
}
.check-list li strong{color:var(--text);font-weight:700;display:block;margin-bottom:2px;}

/* FAQ */
.faq-wrap{
  background:var(--bg-alt);
  border-radius:var(--r-xl);
  padding:32px 30px;
}
.accordion.faq-accordion{
  margin:0;
  background:transparent;
  border:none;
}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  margin-bottom:12px;
  overflow:hidden;
}
.faq-accordion .accordion-item:last-child{margin-bottom:0;}
.faq-accordion .accordion-title{
  position:relative;
  display:block;
  padding:18px 56px 18px 20px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
  background:transparent;
  border:none;
  line-height:1.5;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus{
  background:#fff;
  color:var(--brand-1);
}
.faq-accordion .accordion-title::before{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  left:auto;
  right:20px;
  top:50%;
  transform:translateY(-50%);
  color:var(--brand-1);
  font-size:14px;
  margin:0;
  padding:0;
  width:auto;height:auto;
  line-height:1;
}
.faq-accordion .accordion-title[aria-expanded="true"]::before{content:"\f068";}
.faq-accordion .accordion-content{
  padding:0 20px 20px;
  color:var(--text-2);
  font-size:15px;
  border:none;
  background:transparent;
}
.faq-accordion .accordion-content p{margin-bottom:12px;}
.faq-accordion .accordion-content ol{padding-left:24px;margin:0;}
.faq-accordion .accordion-content ol li{margin-bottom:8px;}

/* 收藏分享条 */
.action-bar{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  padding:22px 26px;
  border-radius:var(--r-lg);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.action-bar .action-text{flex:1 1 260px;min-width:220px;}
.action-bar .action-text strong{display:block;font-size:17px;font-weight:700;margin-bottom:4px;}
.action-bar .action-text span{font-size:14px;color:var(--text-2);}
.action-bar .action-btns{display:flex;gap:12px;flex-wrap:wrap;}
.divider-v{
  width:1px;height:26px;background:var(--line);display:inline-block;
}

/* CTA 大卡 */
.cta-card{
  position:relative;
  border-radius:var(--r-xl);
  background-image:linear-gradient(135deg,rgba(255,106,43,.96) 0%,rgba(255,159,69,.94) 100%),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:48px 44px;
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:36px;
  align-items:center;
  box-shadow:var(--sh-3);
}
.cta-card h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-card p{color:rgba(255,255,255,.94);font-size:15px;margin:0;}
.cta-card .cta-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:flex-end;}
.btn-light{
  background:#fff;
  color:var(--ink);
  border-color:#fff;
}
.btn-light:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-light.is-saved{background:var(--accent);border-color:var(--accent);color:var(--ink);}

/* 相关推荐卡 */
.rec-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.rec-card{
  display:block;
  border-radius:var(--r-lg);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  height:100%;
}
.rec-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(255,106,43,.3);
  color:var(--ink);
}
.rec-thumb{overflow:hidden;}
.rec-thumb img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform .3s ease;
}
.rec-card:hover .rec-thumb img{transform:scale(1.04);}
.rec-body{padding:20px;}
.rec-body .tag{margin-bottom:12px;}
.rec-body h3{font-size:18px;margin-bottom:8px;}
.rec-body p{font-size:14px;color:var(--text-2);margin:0;}

/* 页脚 */
.site-footer{
  background:var(--ink);
  color:var(--on-dark);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--on-dark);
  margin-bottom:16px;
}
.footer-desc{
  color:var(--on-dark-2);
  font-size:14px;
  line-height:1.8;
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  color:var(--on-dark);
  margin-bottom:18px;
  font-weight:700;
}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:12px;}
.footer-col a,.footer-col span{
  color:var(--on-dark-2);
  font-size:14px;
}
.footer-col a:hover{color:var(--brand-2);}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding:22px 0 28px;
  border-top:1px solid var(--ink-2);
  font-size:13px;
  color:var(--on-dark-2);
}

/* 响应式 */
@media (max-width:1439px){
  .nav-search input{width:200px;}
}
@media (max-width:1023px){
  :root{--pad-y:64px;}
  h1{font-size:34px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-inner{height:60px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-copy h1{font-size:34px;}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .cta-card{grid-template-columns:1fr;padding:38px 30px;}
  .cta-card .cta-btns{justify-content:flex-start;}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--pad-y:48px;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  h4{font-size:16px;}
  body{font-size:15px;}
  .brand{font-size:15px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px;border-radius:9px;}
  .nav-right .btn-primary{display:none;}
  .hero{padding-top:44px;padding-bottom:56px;}
  .hero-copy h1{font-size:26px;}
  .hero-actions .btn{flex:1 1 100%;}
  .feature-grid{grid-template-columns:1fr;}
  .metric-bar{grid-template-columns:1fr;}
  .rec-grid{grid-template-columns:1fr;}
  .faq-wrap{padding:22px 18px;border-radius:var(--r-lg);}
  .action-bar{padding:20px;flex-direction:column;align-items:stretch;}
  .action-bar .action-btns{width:100%;}
  .action-bar .action-btns .btn{flex:1 1 100%;}
  .divider-v{display:none;}
  .cta-card{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-card h2{font-size:22px;}
  .cta-card .cta-btns{width:100%;}
  .cta-card .cta-btns .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .float-badge{font-size:12px;padding:6px 11px;}
  .fb-1{top:-12px;left:0;}
  .fb-2{bottom:14px;left:-6px;}
  .fb-3{bottom:-12px;right:8px;}
}

/* roulang page: category3 */
:root{
  --brand-1:#FF6A2B;
  --brand-2:#FF9F45;
  --grad:linear-gradient(135deg,#FF6A2B 0%,#FF9F45 100%);
  --grad-deep:linear-gradient(135deg,#F25F22 0%,#F68F2E 100%);
  --ink-green:#10302B;
  --ink-green-2:#1E4A43;
  --accent:#C8F04A;
  --bg:#FAF7F3;
  --bg-alt:#F3EDE6;
  --card:#FFFFFF;
  --line:#ECE6DE;
  --txt:#171A1C;
  --txt-2:#5A636A;
  --txt-3:#8A9299;
  --dark-txt:#F5F3EF;
  --dark-txt-2:#C9D3D0;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:14px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,26,28,.06);
  --sh-2:0 12px 32px rgba(255,106,43,.16);
  --sh-3:0 24px 60px rgba(16,48,43,.18);
  --sp-section:88px;
  --nav-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--txt);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:#e2551a}
button{font-family:inherit;cursor:pointer}
input,button,select,textarea{font-family:inherit;font-size:16px}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;color:var(--txt)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sp-section) 0}
.section-alt{background:var(--bg-alt)}
h1{font-size:44px}
h2{font-size:30px}
h3{font-size:22px}
h4{font-size:18px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.section-head p{color:var(--txt-2);font-size:15px;margin-top:8px}
.section-head h2{position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:5px;border-radius:3px;background:var(--grad);
}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink-green)}
.text-link:hover{color:var(--brand-1)}
.text-link i{font-size:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;border:1.5px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--grad-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--ink-green);border-color:var(--ink-green)}
.btn-ghost:hover{background:var(--ink-green);color:#fff}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:4px;padding:6px 12px;border-radius:var(--r-pill);
  background:var(--accent);color:var(--ink-green);font-size:13px;font-weight:700;line-height:1.2;
}
.tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-green);font-size:13px;font-weight:600;
}
.tag:hover{background:var(--bg-alt);color:var(--ink-green)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--sh-1);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--txt);white-space:nowrap}
.brand:hover{color:var(--txt)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:16px;font-weight:700;flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{
  position:relative;padding:8px 14px;font-size:15px;font-weight:500;color:var(--txt-2);border-radius:var(--r-md);
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--txt)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--brand-1);font-weight:700}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px}
.nav-search{
  position:relative;display:flex;align-items:center;margin:0;
}
.nav-search input{
  width:224px;height:42px;padding:0 40px 0 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--txt);font-size:14px;margin:0;
}
.nav-search input::placeholder{color:var(--txt-3)}
.nav-search input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,106,43,.18)}
.nav-search i{position:absolute;right:16px;color:var(--txt-3);font-size:14px;pointer-events:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;color:var(--ink-green);align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,48,43,.45);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:308px;max-width:88vw;background:#fff;z-index:80;
  padding:20px;transform:translateX(105%);transition:transform .3s ease;box-shadow:var(--sh-3);
  display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.drawer-head span{font-size:15px;font-weight:700;color:var(--ink-green)}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;color:var(--txt-2);
}
.drawer-close:hover{border-color:var(--brand-1);color:var(--brand-1)}
.drawer-links a{
  display:block;padding:13px 14px;border-radius:var(--r-md);color:var(--txt);font-size:16px;font-weight:500;
  border-bottom:1px solid var(--line);
}
.drawer-links a:hover{background:var(--bg-alt);color:var(--ink-green)}
.drawer-links a.active{color:var(--brand-1);font-weight:700}
.drawer-cta{margin-top:14px}
.drawer-note{margin-top:auto;font-size:13px;color:var(--txt-3);line-height:1.7}

/* ---------- hero ---------- */
.hero-faq{
  background:var(--bg-alt);
  padding:60px 0 52px;
  text-align:center;
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:820px;margin:0 auto}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink-green);font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-faq h1{font-size:44px;letter-spacing:.5px}
.hero-rule{width:76px;height:6px;border-radius:3px;background:var(--grad);margin:20px auto 18px}
.hero-faq p{font-size:16px;color:var(--txt-2);max-width:660px;margin:0 auto}
.hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:24px}

/* ---------- anchor bar ---------- */
.anchor-bar{
  position:sticky;top:var(--nav-h);z-index:40;
  background:rgba(250,247,243,.95);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
  padding:14px 0;
}
.anchor-list{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}
.anchor-pill{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-green);font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.anchor-pill:hover{border-color:var(--brand-1);color:var(--brand-1)}
.anchor-pill.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:var(--sh-2)}

/* ---------- faq ---------- */
.faq-group{padding:56px 0 8px;scroll-margin-top:140px}
.faq-group:last-of-type{padding-bottom:24px}
.group-head{display:flex;align-items:center;gap:16px;margin-bottom:26px}
.group-num{
  width:46px;height:46px;border-radius:var(--r-md);background:var(--accent);color:var(--ink-green);
  display:grid;place-items:center;font-size:18px;font-weight:700;flex:0 0 auto;
}
.group-head h2{font-size:30px}
.group-head p{font-size:14px;color:var(--txt-2);margin-top:4px}
.faq-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:10px 18px;box-shadow:var(--sh-1);
}
.accordion{margin:0;background:transparent;border:0}
.accordion .accordion-item{
  border:0;border-bottom:1px solid var(--line);
}
.accordion .accordion-item:last-child{border-bottom:0}
.accordion-title{
  position:relative;display:block;padding:20px 56px 20px 4px;border:0;
  font-size:17px;font-weight:700;color:var(--txt);line-height:1.6;background:transparent;
}
.accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--brand-1);transition:transform .25s ease;
}
.accordion-title:hover{color:var(--brand-1)}
.accordion-item.is-active .accordion-title{color:var(--brand-1)}
.accordion-item.is-active .accordion-title::before{content:"\f068"}
.accordion-content{
  padding:0 56px 22px 4px;border:0;background:transparent;color:var(--txt-2);font-size:15.5px;line-height:1.85;
}
.accordion-content ol{margin:12px 0 0;padding-left:22px;list-style:decimal}
.accordion-content ol li{margin-bottom:6px;color:var(--txt-2)}
.accordion-content ol li::marker{color:var(--brand-1);font-weight:700}
.accordion-content strong{color:var(--ink-green)}

/* ---------- consult card ---------- */
.consult-card{
  display:flex;align-items:center;gap:24px;flex-wrap:wrap;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:26px 30px;margin:32px 0 8px;
}
.consult-icon{
  width:52px;height:52px;border-radius:var(--r-md);background:rgba(255,106,43,.14);
  color:var(--brand-1);display:grid;place-items:center;font-size:20px;flex:0 0 auto;
}
.consult-body{flex:1 1 320px}
.consult-body h3{font-size:19px;margin-bottom:6px}
.consult-body p{font-size:14.5px;color:var(--txt-2)}

/* ---------- related ---------- */
.rel-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,106,43,.3)}
.rel-media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.rel-media img{width:100%;height:100%;object-fit:cover}
.rel-body{padding:20px 22px 24px}
.rel-body h3{font-size:18px;margin-bottom:10px}
.rel-body p{font-size:14.5px;color:var(--txt-2);line-height:1.8;margin-bottom:14px}
.rel-more{font-size:14px;font-weight:600;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px}

.back-home{text-align:center;padding:8px 0 0}
.back-home a{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink-green);
}
.back-home a:hover{color:var(--brand-1)}

/* ---------- footer ---------- */
.site-footer{background:var(--ink-green);color:var(--dark-txt);padding:64px 0 26px;margin-top:var(--sp-section)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--dark-txt);margin-bottom:14px}
.footer-desc{font-size:14.5px;color:var(--dark-txt-2);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;color:var(--dark-txt);margin-bottom:16px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--dark-txt-2)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--ink-green-2);
  font-size:13px;color:var(--dark-txt-2);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1439px){
  :root{--sp-section:80px}
}
@media screen and (max-width:1023px){
  :root{--sp-section:64px;--nav-h:64px}
  h1{font-size:34px}
  h2{font-size:26px}
  h3{font-size:20px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
  .hero-faq h1{font-size:34px}
  .hero-faq{padding:48px 0 42px}
  .group-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .anchor-bar{top:var(--nav-h)}
}
@media screen and (max-width:639px){
  :root{--sp-section:48px;--nav-h:56px}
  .container{padding:0 16px}
  body{font-size:15px;line-height:1.8}
  h1{font-size:26px}
  h2{font-size:22px}
  h3{font-size:18px}
  h4{font-size:16px}
  .brand{font-size:15px}
  .brand span:last-child{max-width:none}
  .brand-mark{width:30px;height:30px;font-size:14px;border-radius:9px}
  .nav-right .btn-sm{padding:9px 14px;font-size:13px}
  .hero-faq h1{font-size:26px;letter-spacing:0}
  .hero-faq p{font-size:15px}
  .hero-faq{padding:36px 0 32px}
  .anchor-list{gap:8px;justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-pill{white-space:nowrap;font-size:13px;padding:8px 14px}
  .faq-group{padding:40px 0 8px}
  .group-head{gap:12px;margin-bottom:18px}
  .group-num{width:38px;height:38px;font-size:16px}
  .group-head h2{font-size:22px}
  .faq-panel{padding:6px 14px;border-radius:var(--r-lg)}
  .accordion-title{font-size:15.5px;padding:16px 44px 16px 2px}
  .accordion-content{padding:0 6px 18px 2px;font-size:15px}
  .consult-card{padding:20px;gap:16px}
  .consult-body h3{font-size:17px}
  .consult-card .btn{width:100%}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{padding:44px 0 20px;margin-top:48px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .rel-body{padding:18px}
}