/* roulang page: index */
:root{
  --coral:#E85A3C;
  --orange:#FF9B54;
  --ink:#1E2A38;
  --paper:#F6F2EB;
  --card:#FFFFFF;
  --muted:#6B7480;
  --line:rgba(30,42,56,.10);
  --teal:#2A9D8F;
  --shadow:0 10px 30px rgba(63,46,31,.08);
  --shadow-lg:0 18px 44px rgba(63,46,31,.14);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-pill:999px;
  --space-section:96px;
  --font:PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,button{outline:none}
ul{list-style:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.icon{line-height:1}
.has-shadow{box-shadow:var(--shadow)}
.section-space{padding:calc(var(--space-section) / 1.2) 0}
.section-title{
  font-size:clamp(24px,3vw,34px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.3;
}
.section-sub{
  color:var(--muted);
  margin-top:8px;
  font-size:15px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  line-height:1.4;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:#F7ECE4;
  color:#B8472C;
  letter-spacing:.02em;
}
.tag-teal{
  background:#E7F3F1;
  color:#1D7E73;
}
.gradient-text{
  background:linear-gradient(90deg,var(--coral),var(--orange));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
/* 基础按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 24px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:700;
  line-height:1.4;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
  border:1px solid transparent;
}
.btn:focus-visible{
  outline:3px solid rgba(232,90,60,.4);
  outline-offset:3px;
}
.btn-primary{
  background:linear-gradient(90deg,var(--coral),var(--orange));
  color:#fff;
  box-shadow:0 8px 22px rgba(232,90,60,.25);
}
.btn-primary:hover{
  box-shadow:0 12px 28px rgba(232,90,60,.34);
  transform:translateY(-2px);
}
.btn-primary:hover .btn-arrow{
  transform:translateX(4px);
}
.btn-primary:active{
  transform:translateY(1px);
}
.btn-ghost{
  background:rgba(255,255,255,.14);
  color:#fff;
  border-color:rgba(255,255,255,.42);
  backdrop-filter:blur(4px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.24);
  border-color:rgba(255,255,255,.72);
  transform:translateY(-2px);
}
.btn-outline{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
}
.btn-outline:hover{
  border-color:var(--coral);
  color:var(--coral);
  transform:translateY(-2px);
}
.btn-arrow{
  display:inline-block;
  transition:transform .2s ease;
  font-size:16px;
}
.btn-coral{
  background:#fff;
  color:var(--coral);
  border-color:rgba(255,255,255,.5);
}
.btn-coral:hover{
  background:#fff4EF;
  transform:translateY(-2px);
}
/* 顶栏 */
.topbar{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  font-size:13px;
  height:36px;
}
.topbar-inner{
  height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.topbar-left{
  display:flex;
  align-items:center;
  gap:14px;
  min-width:0;
}
.topbar-domain{
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
}
.topbar-tip{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.topbar-actions{
  display:flex;
  align-items:center;
  gap:18px;
  white-space:nowrap;
}
.topbar-actions a{
  color:rgba(255,255,255,.78);
  transition:color .2s;
}
.topbar-actions a:hover{color:#fff}
/* 主导航 */
.navbar{
  position:sticky;
  top:0;
  z-index:120;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.navbar.is-scrolled{
  box-shadow:0 10px 26px rgba(63,46,31,.08);
}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.nav-logo{
  display:flex;
  align-items:center;
  gap:10px;
  min-width:max-content;
}
.logo-mark{
  width:38px;
  height:38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--coral),var(--orange));
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 6px 16px rgba(232,90,60,.26);
}
.logo-mark i{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#fff;
  display:block;
}
.logo-mark i:nth-child(1){position:absolute;left:9px;top:10px;opacity:.85}
.logo-mark i:nth-child(2){position:absolute;right:9px;top:10px;opacity:.95}
.logo-mark i:nth-child(3){position:absolute;left:9px;bottom:10px;opacity:.65}
.logo-mark i:nth-child(4){position:absolute;right:9px;bottom:10px}
.logo-mark::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:8px;
  height:8px;
  border-top:2px solid #fff;
  border-right:2px solid #fff;
  transform:translate(-35%,-50%) rotate(45deg);
}
.nav-logo-text{
  font-size:21px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.2;
}
.nav-logo-text small{
  display:block;
  font-size:11px;
  font-weight:500;
  color:var(--muted);
  letter-spacing:.06em;
}
.nav-desktop{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-desktop > li > a{
  display:block;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:500;
  color:#3E4854;
  transition:background .2s,color .2s;
}
.nav-desktop > li > a:hover{
  color:var(--coral);
  background:#FFF1EC;
}
.nav-desktop > li > a.active{
  color:var(--coral);
  background:#FFECE5;
  font-weight:700;
}
.nav-cta{
  margin-left:10px;
  padding:11px 20px;
  font-size:14px;
}
.nav-toggle-input{
  display:none;
}
.nav-burger{
  display:none;
  width:44px;
  height:44px;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  flex-direction:column;
  gap:5px;
}
.nav-burger span{
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:3px;
  display:block;
  transition:transform .3s,opacity .3s;
}
/* Hero */
.hero{
  position:relative;
  color:#fff;
  overflow:hidden;
  min-height:580px;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(30,42,56,.92),rgba(232,90,60,.76));
  z-index:1;
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:76px 0 92px;
  max-width:820px;
  margin:0 auto;
  text-align:center;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--radius-pill);
  padding:6px 16px;
  font-size:13px;
  letter-spacing:.04em;
}
.hero-eyebrow .dot{
  width:7px;
  height:7px;
  border-radius:50%;
  background:#8CDD92;
  box-shadow:0 0 0 3px rgba(140,221,146,.2);
}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.22;
  margin:22px 0 18px;
}
.hero-lead{
  font-size:17px;
  color:rgba(255,255,255,.9);
  line-height:1.75;
  max-width:640px;
  margin:0 auto 32px;
}
.hero-actions{
  display:flex;
  gap:16px;
  justify-content:center;
  flex-wrap:wrap;
}
/* 数据徽章 */
.stats-section{
  margin-top:-44px;
  position:relative;
  z-index:8;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.stat-card{
  background:#fff;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:26px 24px 24px;
  border-left:4px solid var(--coral);
  display:flex;
  align-items:center;
  gap:18px;
  transition:transform .25s,box-shadow .25s;
}
.stat-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-lg);
}
.stat-icon{
  width:48px;
  height:48px;
  flex:0 0 48px;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#fff;
  background:linear-gradient(135deg,var(--coral),var(--orange));
  font-size:20px;
}
.stat-icon.teal{
  background:linear-gradient(135deg,#2A9D8F,#3CC0AE);
}
.stat-icon.indigo{
  background:linear-gradient(135deg,#7B61C3,#B785E8);
}
.stat-icon.sun{
  background:linear-gradient(135deg,#E8A23C,#FFC66B);
}
.stat-value{
  font-size:28px;
  font-weight:800;
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-label{
  color:var(--muted);
  font-size:13px;
  margin-top:2px;
}
/* 导览目录 */
.guide-section{
  padding:84px 0 0;
}
.guide-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:44px;
  align-items:stretch;
}
.cover-card{
  position:relative;
  min-height:430px;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow);
}
.cover-card::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(30,42,56,0) 42%,rgba(30,42,56,.82));
}
.cover-card-content{
  position:absolute;
  left:28px;
  right:28px;
  bottom:24px;
  z-index:2;
  color:#fff;
}
.cover-card-content h2{
  font-size:26px;
  font-weight:800;
}
.cover-card-content p{
  color:rgba(255,255,255,.86);
  font-size:14px;
  margin-top:4px;
}
.cover-badge{
  position:absolute;
  top:18px;
  left:18px;
  z-index:2;
  background:rgba(255,255,255,.22);
  backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
  font-size:12px;
  padding:5px 12px;
  border-radius:var(--radius-pill);
}
.guide-list-card{
  background:#fff;
  border-radius:var(--radius-lg);
  padding:28px;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
}
.guide-list-card .guide-title{
  font-size:22px;
  font-weight:800;
}
.guide-caption{
  color:var(--muted);
  font-size:14px;
  margin-top:6px;
}
.guide-list{
  margin-top:14px;
  flex:1;
}
.guide-item{
  display:flex;
  gap:16px;
  padding:17px 0;
  border-bottom:1px solid #F1EAE2;
  align-items:flex-start;
  transition:background .2s;
}
.guide-item:last-child{border-bottom:none}
.guide-item:hover .guide-link{
  color:var(--coral);
}
.guide-num{
  width:36px;
  height:36px;
  flex:0 0 36px;
  border-radius:12px;
  background:#F7EDE6;
  color:#A04427;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:14px;
}
.guide-item-content{
  flex:1;
}
.guide-item-content strong{
  display:block;
  font-size:16px;
}
.guide-item-content p{
  color:var(--muted);
  font-size:13px;
  line-height:1.55;
  margin-top:3px;
}
.guide-link{
  align-self:center;
  font-weight:800;
  color:var(--muted);
  font-size:17px;
  transition:color .2s,transform .2s;
}
.guide-link:hover{
  transform:translateX(3px);
}
/* 分类卡片：2x2 */
.category-section{
  padding:var(--space-section) 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:38px;
}
.category-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:26px;
}
.category-card{
  background:#fff;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  display:flex;
  flex-direction:column;
  transition:transform .25s,box-shadow .3s,border-color .25s;
  border:1px solid transparent;
}
.category-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-lg);
  border-color:#F6CCA4;
}
.category-cover{
  height:180px;
  background-size:cover;
  background-position:center;
  position:relative;
}
.category-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(30,42,56,.02) 40%,rgba(30,42,56,.52));
}
.category-body{
  padding:24px 26px 26px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.category-body h3{
  font-size:21px;
  font-weight:800;
}
.category-body p{
  color:var(--muted);
  font-size:14px;
  margin-top:8px;
  flex:1;
}
.category-tags{
  display:flex;
  gap:10px;
  margin-top:16px;
}
.category-cta{
  margin-top:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--coral);
  font-weight:700;
  font-size:14px;
}
.category-cta .btn-arrow{
  transition:transform .2s;
}
.category-card:hover .category-cta .btn-arrow{
  transform:translateX(4px);
}
/* 最新动态 */
.news-section{
  background:#fff;
  border-top:1px solid #F0E8DF;
  border-bottom:1px solid #F0E8DF;
  padding:var(--space-section) 0;
}
.news-list{
  display:flex;
  flex-direction:column;
  gap:18px;
}
.news-row{
  display:flex;
  align-items:center;
  background:#FBF7F2;
  border:1px solid transparent;
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.news-row:hover{
  transform:translateY(-2px);
  box-shadow:var(--shadow);
  border-color:#F2C3A9;
}
.news-thumb{
  width:112px;
  height:96px;
  flex:0 0 112px;
  overflow:hidden;
  position:relative;
  background:#EBE3D9;
}
.news-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.news-main{
  flex:1;
  padding:16px 20px;
  min-width:0;
}
.news-main h4{
  font-size:17px;
  font-weight:700;
  line-height:1.45;
}
.news-main h4 a{
  color:var(--ink);
  transition:color .2s;
}
.news-main h4 a:hover{
  color:var(--coral);
}
.news-main p{
  color:var(--muted);
  font-size:14px;
  margin-top:4px;
  line-height:1.55;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:8px;
  margin-top:8px;
  font-size:12px;
  color:var(--muted);
}
.news-meta .dot{
  width:3px;
  height:3px;
  border-radius:50%;
  background:#BBAFA3;
  display:inline-block;
}
.news-empty{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:44px 24px;
  background:#FBF7F2;
  border-radius:var(--radius-md);
  color:var(--muted);
  border:1px dashed #E6DCD0;
}
.empty-icon{
  width:42px;
  height:42px;
  border-radius:14px;
  background:#F0E3D9;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:20px;
}
/* CTA 区块 */
.cta-section{
  padding:var(--space-section) 0;
}
.cta-card{
  background:linear-gradient(120deg,var(--coral) 0%,var(--orange) 100%);
  border-radius:32px;
  padding:52px 56px;
  color:#fff;
  position:relative;
  overflow:hidden;
}
.cta-card::after{
  content:"";
  position:absolute;
  width:300px;
  height:300px;
  border-radius:50%;
  background:rgba(255,255,255,.12);
  right:-70px;
  top:-140px;
}
.cta-card::before{
  content:"";
  position:absolute;
  width:220px;
  height:220px;
  border-radius:50%;
  background:rgba(30,42,56,.12);
  left:-60px;
  bottom:-110px;
}
.cta-content{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-title{
  font-size:clamp(23px,3vw,34px);
  font-weight:800;
  line-height:1.3;
}
.cta-title + p{
  color:rgba(255,255,255,.88);
  margin-top:6px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
/* FAQ */
.faq-section{
  background:#fff;
  padding:var(--space-section) 0;
  border-top:1px solid #F0E8DF;
}
.faq-shell{
  display:grid;
  grid-template-columns:380px 1fr;
  gap:36px;
  align-items:start;
}
.faq-aside{
  position:sticky;
  top:108px;
}
.faq-aside-title{
  font-size:22px;
  font-weight:800;
}
.faq-aside p{
  color:var(--muted);
  font-size:14px;
  margin-top:8px;
}
.faq-tab-list{
  margin-top:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.faq-tab{
  text-align:left;
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 16px;
  background:#FBF7F2;
  border:1px solid transparent;
  border-radius:14px;
  font-size:14px;
  color:#3E4854;
  font-weight:500;
  transition:all .2s;
  line-height:1.4;
}
.faq-tab .faq-tab-num{
  font-size:12px;
  width:26px;
  height:26px;
  border-radius:8px;
  background:rgba(232,90,60,.1);
  color:var(--coral);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  flex:0 0 26px;
}
.faq-tab:hover{
  background:#FFF1EB;
  color:var(--coral);
}
.faq-tab.is-active{
  background:#FFECE5;
  border-color:#F4CDBB;
  color:var(--coral);
  font-weight:700;
}
.faq-panels{
  background:#FBF7F2;
  border-radius:var(--radius-lg);
  padding:38px;
  min-height:480px;
  border:1px solid #F1E8DE;
}
.faq-panel{
  display:none;
  animation:fadeIn .3s ease;
}
.faq-panel.is-active{
  display:block;
}
.faq-panel h3{
  font-size:21px;
  font-weight:800;
  margin-bottom:14px;
}
.faq-panel p{
  color:#515B66;
  font-size:15px;
}
.faq-panel ul{
  margin-top:10px;
  display:flex;
  flex-direction:column;
  gap:8px;
  color:#515B66;
  font-size:15px;
}
.faq-panel ul li{
  padding-left:18px;
  position:relative;
}
.faq-panel ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:10px;
  width:7px;
  height:7px;
  border-radius:2px;
  background:linear-gradient(135deg,var(--coral),var(--orange));
}
@keyframes fadeIn{
  from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:translateY(0)}
}
/* 页脚 */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:46px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .nav-logo-text{
  color:#fff;
}
.footer-brand p{
  font-size:14px;
  margin-top:14px;
  max-width:260px;
  color:rgba(255,255,255,.6);
}
.footer-col h4{
  color:#fff;
  font-size:14px;
  font-weight:700;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  padding:5px 0;
  font-size:14px;
  color:rgba(255,255,255,.68);
  transition:color .2s;
}
.footer-col a:hover{
  color:#fff;
}
.footer-bottom{
  padding:22px 0;
  font-size:13px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  color:rgba(255,255,255,.48);
}
.footer-bottom a{
  color:rgba(255,255,255,.6);
}
@media (max-width:1024px){
  .wrap{padding:0 20px}
  .stats-grid{
    grid-template-columns:repeat(2,1fr);
  }
  .guide-grid{
    grid-template-columns:1fr;
  }
  .faq-shell{
    grid-template-columns:1fr;
  }
  .faq-aside{
    position:static;
  }
  .category-grid{
    gap:20px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .nav-desktop{
    display:none;
  }
  .nav-burger{
    display:flex;
  }
  .nav-toggle-input:checked ~ .nav-collapse{
    display:flex;
  }
  .nav-toggle-input:checked ~ .nav-burger span:nth-child(1){
    transform:translateY(7px) rotate(45deg);
  }
  .nav-toggle-input:checked ~ .nav-burger span:nth-child(2){
    opacity:0;
  }
  .nav-toggle-input:checked ~ .nav-burger span:nth-child(3){
    transform:translateY(-7px) rotate(-45deg);
  }
  .nav-collapse{
    display:none;
    position:absolute;
    top:72px;
    left:0;
    right:0;
    background:#fff;
    border-top:1px solid var(--line);
    box-shadow:var(--shadow-lg);
    padding:16px 20px 22px;
    flex-direction:column;
    gap:10px;
  }
  .nav-collapse ul{
    display:flex;
    flex-direction:column;
    gap:2px;
  }
  .nav-collapse ul a{
    display:block;
    padding:11px 12px;
    border-radius:12px;
    font-size:16px;
    color:var(--ink);
  }
  .nav-collapse ul a:hover,
  .nav-collapse ul a.active{
    background:#FFECE5;
    color:var(--coral);
  }
  .nav-collapse .btn{
    margin-top:8px;
    justify-content:center;
  }
}
@media (max-width:768px){
  :root{
    --space-section:60px;
  }
  .topbar-tip{
    display:none;
  }
  .hero-inner{
    text-align:center;
    padding:60px 0 84px;
  }
  .hero-actions{
    flex-direction:column;
    align-items:center;
  }
  .hero-actions .btn{
    width:100%;
    max-width:320px;
  }
  .guide-section{
    padding-top:64px;
  }
  .category-section{
    padding:60px 0;
  }
  .cta-card{
    padding:36px 24px;
    border-radius:24px;
  }
  .cta-actions{
    flex-direction:column;
    align-items:flex-start;
  }
  .cta-actions .btn{
    width:100%;
  }
  .news-row{
    flex-wrap:wrap;
  }
  .news-thumb{
    width:100%;
    height:150px;
    flex:0 0 auto;
  }
  .news-main{
    padding:16px;
  }
  .section-space{
    padding:60px 0;
  }
  .section-head{
    flex-direction:column;
    align-items:flex-start;
  }
}
@media (max-width:520px){
  .wrap{
    padding:0 16px;
  }
  .stats-grid{
    grid-template-columns:1fr;
  }
  .category-grid{
    grid-template-columns:1fr;
  }
  .footer-grid{
    grid-template-columns:1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
  .topbar-domain{
    font-size:12px;
  }
  .topbar-actions{
    gap:12px;
    font-size:12px;
  }
  .nav-inner{
    height:64px;
  }
  .nav-logo-text{
    font-size:18px;
  }
  .hero{
    min-height:500px;
  }
  .faq-panels{
    padding:24px 20px;
  }
  .cover-card{
    min-height:300px;
  }
  .cover-card-content{
    left:20px;
    right:16px;
    bottom:16px;
  }
}

/* roulang page: article */
:root {
  --primary: #E85A3C;
  --accent: #FF9B54;
  --dark: #1E2A38;
  --bg: #F6F2EB;
  --card: #FFFFFF;
  --text: #2B343E;
  --muted: #7B8794;
  --line: rgba(63, 46, 31, .08);
  --shadow: 0 10px 30px rgba(63, 46, 31, .08);
  --shadow-hover: 0 14px 36px rgba(63, 46, 31, .14);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}

body, h1, h2, h3, h4, p, ul, ol {
  margin: 0;
  padding: 0;
}

ul, ol { list-style: none; }

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }

h1, h2, h3, h4 {
  color: var(--dark);
  line-height: 1.35;
  text-wrap: pretty;
}

h1 { font-size: clamp(30px, 4.4vw, 52px); font-weight: 800; letter-spacing: -0.01em; }

h2 { font-size: 28px; font-weight: 700; }

h3 { font-size: 20px; font-weight: 700; }

p { text-wrap: pretty; }

.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* 顶部信息条 */
.top-info {
  height: 36px;
  background: var(--dark);
  color: rgba(255, 255, 255, .72);
  font-size: 12.5px;
}

.top-info-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-info strong { color: #fff; font-weight: 600; margin-right: 6px; }

.top-info .hint-txt { color: rgba(255, 255, 255, .56); }

.top-info a {
  color: rgba(255, 255, 255, .88);
  margin-left: 14px;
  transition: color .2s;
}

.top-info a:hover { color: #fff; }

/* 主导航 */
.navbar {
  position: sticky;
  top: 0;
  z-index: 80;
  background: #fff;
  border-bottom: 1px solid rgba(63, 46, 31, .05);
  transition: box-shadow .3s ease;
}

.navbar.scrolled { box-shadow: 0 10px 30px rgba(63, 46, 31, .08); }

.nav-inner {
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-grid;
  grid-template-columns: repeat(2, 6px);
  gap: 4px;
  width: 32px;
  height: 32px;
  padding: 8px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  box-shadow: 0 6px 14px rgba(232, 90, 60, .28);
}

.logo-mark i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #fff;
}

.logo-mark i:nth-child(2),
.logo-mark i:nth-child(3) {
  opacity: .78;
}

.nav-logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.2;
  letter-spacing: .01em;
  white-space: nowrap;
}

.nav-logo-text small {
  display: block;
  font-size: 11.5px;
  font-weight: 400;
  color: var(--muted);
  line-height: 1.4;
}

.nav-toggle-input,
.nav-burger { display: none; }

.nav-collapse {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-grow: 1;
  justify-content: flex-end;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
}

.nav-desktop a {
  display: block;
  padding: 9px 14px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  transition: background .2s, color .2s;
}

.nav-desktop a:hover { background: rgba(232, 90, 60, .08); color: var(--primary); }

.nav-desktop a.active {
  background: rgba(232, 90, 60, .1);
  color: var(--primary);
  font-weight: 600;
}

.nav-cta {
  flex-shrink: 0;
  margin-left: 4px;
  white-space: nowrap;
}

/* 按钮体系 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 11px 20px;
  border-radius: var(--radius-pill);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
  border: 1px solid transparent;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
}

.btn:focus-visible { outline: 3px solid rgba(232, 90, 60, .3); outline-offset: 2px; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 10px 22px rgba(232, 90, 60, .22);
}

.btn-primary:hover { box-shadow: 0 14px 30px rgba(232, 90, 60, .3); transform: translateY(-2px); }

.btn-primary:hover .btn-arrow { transform: translateX(4px); }

.btn-primary:active { transform: translateY(0) scale(.98); }

.btn-outline {
  background: #fff;
  border-color: rgba(63, 46, 31, .16);
  color: var(--dark);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.btn-ghost {
  background: transparent;
  color: var(--dark);
  border-color: transparent;
}

.btn-ghost:hover { background: rgba(63, 46, 31, .06); }

.btn-plain {
  background: transparent;
  color: var(--primary);
  padding: 6px 10px;
}

.btn-plain:hover { background: rgba(232, 90, 60, .08); }

.btn-arrow { display: inline-block; transition: transform .2s; }

/* 文章头横幅 */
.article-banner {
  position: relative;
  background:
    linear-gradient(135deg, rgba(30, 42, 56, .93), rgba(232, 90, 60, .76)),
    url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  color: #fff;
  padding: 72px 0 64px;
}

.article-banner-inner {
  max-width: 1000px;
}

.cms-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, .7);
  margin-bottom: 20px;
}

.cms-breadcrumb a {
  color: rgba(255, 255, 255, .88);
  transition: color .2s;
}

.cms-breadcrumb a:hover { color: #fff; }

.cms-breadcrumb i {
  font-style: normal;
  color: rgba(255, 255, 255, .42);
}

.article-banner h1 {
  color: #fff;
  margin-bottom: 14px;
  word-break: break-word;
}

.article-excerpt {
  color: rgba(255, 255, 255, .82);
  font-size: 16.5px;
  max-width: 820px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .74);
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, .16);
  border: 1px solid rgba(255, 255, 255, .18);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  color: #fff;
  font-weight: 500;
  backdrop-filter: blur(6px);
}

/* 主体布局 */
.post-page {
  padding: 56px 0 96px;
}

.post-page .wrap.post-layout {
  max-width: 1280px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  align-items: start;
}

.post-main {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: clamp(26px, 4vw, 58px);
  box-shadow: var(--shadow);
}

.post-content {
  max-width: 820px;
  margin: 0 auto;
}

.post-content > * + * { margin-top: 20px; }

.post-content h2 {
  margin-top: 48px;
  font-size: 26px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.post-content h3 {
  margin-top: 34px;
  font-size: 20px;
}

.post-content p {
  line-height: 1.95;
  color: #37424E;
}

.post-content a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(232, 90, 60, .3);
}

.post-content a:hover { text-decoration-color: var(--primary); }

.post-content ul,
.post-content ol {
  padding-left: 24px;
  margin-top: 24px;
  margin-bottom: 24px;
}

.post-content ul { list-style: disc; }

.post-content ol { list-style: decimal; }

.post-content li {
  margin: 8px 0;
  line-height: 1.85;
}

.post-content blockquote {
  margin: 32px 0;
  padding: 20px 24px;
  background: var(--bg);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  color: #4A5563;
}

.post-content img {
  border-radius: var(--radius-md);
  margin: 30px 0;
  box-shadow: var(--shadow);
}

.post-content code {
  background: rgba(30, 42, 56, .08);
  padding: 3px 8px;
  border-radius: 8px;
  font-size: .9em;
}

.post-content pre {
  background: var(--dark);
  color: #F1F5F9;
  padding: 22px;
  border-radius: 16px;
  overflow-x: auto;
  line-height: 1.7;
}

/* 文章底部 */
.article-bottom {
  max-width: 820px;
  margin: 58px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.pn-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 26px;
}

.pn-card {
  display: block;
  background: var(--bg);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 18px 20px;
  transition: background .2s, border-color .2s, box-shadow .2s;
}

.pn-card span {
  display: block;
  font-size: 12.5px;
  color: var(--muted);
  margin-bottom: 6px;
}

.pn-card strong {
  font-size: 16px;
  color: var(--dark);
  line-height: 1.5;
}

.pn-card:hover {
  border-color: var(--primary);
  background: #fff;
  box-shadow: var(--shadow);
}

.pn-card:hover strong { color: var(--primary); }

.fav-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: flex-start;
}

/* 侧栏 */
.post-sidebar {
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.side-card {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(63, 46, 31, .04);
}

.side-card h3 {
  font-size: 17px;
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.side-card h3::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 40px;
  height: 3px;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
}

.side-links li + li { border-top: 1px dashed var(--line); }

.side-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-size: 14.5px;
  color: var(--text);
  transition: color .2s;
}

.side-links a .num {
  width: 30px;
  height: 30px;
  background: var(--bg);
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: var(--primary);
  font-weight: 700;
  flex-shrink: 0;
}

.side-links a:hover { color: var(--primary); }

.side-links a:hover .num { background: rgba(232, 90, 60, .1); }

.related-item {
  display: block;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line);
  transition: transform .2s;
}

.related-item:last-child { border-bottom: 0; padding-bottom: 0; }

.related-item:first-child { padding-top: 0; }

.related-item .related-tag {
  display: inline-flex;
  font-size: 12px;
  background: rgba(42, 157, 143, .12);
  color: #2A9D8F;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.related-item .related-tag.orange { background: rgba(232, 90, 60, .12); color: var(--primary); }

.related-item strong {
  display: block;
  font-size: 15px;
  line-height: 1.6;
  color: var(--dark);
  font-weight: 600;
}

.related-item:hover { transform: translateX(4px); }

.related-item:hover strong { color: var(--primary); }

/* 空态 */
.empty-article {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 90px 30px;
}

.empty-article .empty-icon {
  margin: 0 auto 20px;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: #fff;
  box-shadow: var(--shadow);
  color: var(--primary);
  font-size: 34px;
  font-weight: 700;
}

.empty-article h2 { margin-bottom: 12px; }

.empty-article p { color: var(--muted); margin-bottom: 28px; }

/* 页脚 */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .72);
  padding-top: 70px;
  margin-top: 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 44px;
}

.footer-brand .nav-logo-text {
  color: #fff;
}

.footer-brand .nav-logo-text small { color: rgba(255, 255, 255, .5); }

.footer-brand p {
  max-width: 320px;
  margin-top: 20px;
  font-size: 14px;
  color: rgba(255, 255, 255, .55);
  line-height: 1.85;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 14px;
}

.footer-col a {
  display: block;
  font-size: 14px;
  color: rgba(255, 255, 255, .62);
  padding: 5px 0;
  transition: color .2s;
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .1);
  padding: 22px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 13.5px;
  color: rgba(255, 255, 255, .46);
}

.footer-bottom a { color: rgba(255, 255, 255, .7); }

.footer-bottom a:hover { color: #fff; }

/* 响应式 */
@media (max-width: 1024px) {
  .nav-burger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0 8px;
    cursor: pointer;
    border-radius: 12px;
    background: transparent;
  }

  .nav-burger span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 4px;
    background: var(--dark);
    transition: transform .25s, opacity .25s;
  }

  .nav-toggle-input { display: none; position: absolute; opacity: 0; pointer-events: none; }

  .nav-collapse {
    position: fixed;
    top: 0;
    right: 0;
    width: min(76vw, 320px);
    height: 100vh;
    background: #fff;
    box-shadow: -20px 0 60px rgba(30, 42, 56, .22);
    padding: 90px 28px 36px;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    transform: translateX(102%);
    transition: transform .3s ease;
    overflow-y: auto;
  }

  .nav-toggle-input:checked ~ .nav-collapse {
    transform: translateX(0);
  }

  .nav-toggle-input:checked ~ .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle-input:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
  .nav-toggle-input:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

  .nav-desktop { flex-direction: column; align-items: stretch; gap: 6px; margin-bottom: 22px; }

  .nav-desktop a { padding: 12px 16px; }

  .nav-cta { margin-left: 0; }

  .post-page .wrap.post-layout {
    grid-template-columns: 1fr;
  }

  .post-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .article-banner { padding: 52px 0 48px; }

  .article-meta { align-items: flex-start; flex-direction: column; gap: 10px; }

  .post-main { padding: 24px; }

  .pn-row { grid-template-columns: 1fr; }

  .post-sidebar { grid-template-columns: 1fr; }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .top-info-inner .mini-divider { display: none; }
  .top-info-actions a { margin-left: 10px; }
}

@media (max-width: 560px) {
  .top-info-actions .hide-mobile { display: none; }

  .nav-logo-text { font-size: 17px; }

  .nav-logo-text small { font-size: 10px; }

  .top-info-inner {
    justify-content: center;
    gap: 8px;
    font-size: 11.5px;
  }

  .top-info-actions { font-size: 11.5px; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-bottom: 26px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }
}

/* roulang page: category1 */
:root {
  --coral: #E85A3C;
  --orange: #FF9B54;
  --dark: #1E2A38;
  --bg: #F6F2EB;
  --card: #FFFFFF;
  --line: #E9DFD5;
  --text: #2E2B27;
  --muted: #6F675E;
  --teal: #2A9D8F;
  --shadow: 0 10px 30px rgba(63, 46, 31, .08);
  --shadow-hover: 0 18px 40px rgba(63, 46, 31, .14);
  --grad: linear-gradient(135deg, #E85A3C 0%, #FF9B54 100%);
  --radius-lg: 24px;
  --radius: 16px;
  --radius-sm: 12px;
  --pill: 999px;
  --topbar-h: 36px;
  --nav-h: 72px;
  --section-space: 96px;
}
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
}
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, summary { font: inherit; }
button { border: 0; background: none; cursor: pointer; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(232, 90, 60, .35);
  outline-offset: 2px;
  border-radius: 8px;
}
.wrap {
  width: min(1200px, 92%);
  margin-inline: auto;
}
.section-space { padding: var(--section-space) 0; }
.section-head {
  max-width: 760px;
  margin-bottom: 48px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--coral);
  text-transform: uppercase;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--grad);
  border-radius: 2px;
}
.section-head h2 {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.25;
  color: var(--dark);
  margin: 10px 0 12px;
  letter-spacing: -.01em;
}
.section-head p, .lead { color: var(--muted); font-size: 16px; }

/* topbar */
.topbar {
  min-height: var(--topbar-h);
  background: var(--dark);
  color: rgba(255, 255, 255, .76);
  font-size: 13px;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: var(--topbar-h);
}
.topbar-domain {
  color: var(--orange);
  font-weight: 700;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  margin-right: 6px;
}
.topbar-links { display: flex; align-items: center; gap: 10px; white-space: nowrap; }
.topbar-links a { color: rgba(255, 255, 255, .85); transition: color .2s; }
.topbar-links a:hover { color: #fff; }
@media (max-width: 640px) {
  .topbar-hint { display: none; }
  .topbar-inner { justify-content: center; }
}

/* navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  border-bottom: 1px solid rgba(233, 223, 213, .9);
  box-shadow: 0 4px 18px rgba(63, 46, 31, .04);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--nav-h);
  gap: 20px;
}
.nav-logo { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
  display: grid;
  grid-template-columns: repeat(4, 10px);
  align-items: end;
  gap: 3px;
  width: 52px;
  height: 34px;
  padding: 4px;
  border-radius: 12px;
  background: var(--grad);
  box-shadow: 0 8px 16px rgba(232, 90, 60, .28);
}
.logo-mark i { display: block; border-radius: 99px; background: #fff; }
.logo-mark i:nth-child(1) { height: 7px; opacity: .7; }
.logo-mark i:nth-child(2) { height: 12px; opacity: .84; }
.logo-mark i:nth-child(3) { height: 18px; opacity: .94; }
.logo-mark i:nth-child(4) { height: 24px; }
.nav-logo-text { font-size: 19px; font-weight: 800; color: var(--dark); line-height: 1.1; letter-spacing: -.01em; }
.nav-logo-text small { display: block; font-size: 11px; font-weight: 500; color: var(--coral); letter-spacing: .02em; }
.nav-toggle-input { position: absolute; opacity: 0; pointer-events: none; }
.nav-burger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--bg); cursor: pointer; }
.nav-burger span { display: block; width: 100%; height: 2px; border-radius: 2px; background: var(--dark); transition: transform .25s, opacity .25s; }
.nav-collapse { display: flex; align-items: center; gap: 22px; }
.nav-desktop { display: flex; align-items: center; gap: 6px; }
.nav-desktop a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 14px;
  font-weight: 500;
  color: #48423c;
  border-radius: var(--pill);
  transition: background .2s, color .2s;
  position: relative;
}
.nav-desktop a:hover { background: #FFF0E9; color: var(--coral); }
.nav-desktop a.active { background: rgba(232, 90, 60, .12); color: var(--coral); font-weight: 700; }
.nav-cta { flex-shrink: 0; }
.btn-arrow { display: inline-block; transition: transform .25s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

@media (max-width: 1024px) {
  .nav-burger { display: flex; }
  .nav-collapse {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: 18px 6%;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }
  .nav-desktop { flex-direction: column; align-items: stretch; gap: 8px; }
  .nav-desktop a { justify-content: center; }
  .nav-toggle-input:checked ~ .nav-collapse { display: flex; }
  .nav-cta { text-align: center; }
}

/* btn */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--pill);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: background .25s, transform .2s, box-shadow .25s, color .2s;
  text-align: center;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 22px rgba(232, 90, 60, .24); }
.btn-primary:hover { background: linear-gradient(135deg, #d94a2e, #f2823a); transform: translateY(-2px); box-shadow: 0 14px 28px rgba(232, 90, 60, .3); }
.btn-primary:active { transform: translateY(1px); }
.btn-outline { background: #fff; color: var(--coral); border-color: #f0c6b8; }
.btn-outline:hover { border-color: var(--coral); background: #FFF6F1; transform: translateY(-2px); }
.btn-outline:active { transform: translateY(1px); }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: #FFF4EE; color: var(--coral); transform: translateY(-2px); }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-link { color: inherit; }
.btn-link:hover { color: var(--coral); }

/* page hero */
.cat-hero {
  position: relative;
  color: #fff;
  background-image: url("/assets/images/backpic/back-1.webp");
  background-size: cover;
  background-position: center;
  padding: 100px 0 108px;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(30, 42, 56, .94), rgba(232, 90, 60, .72));
}
.cat-hero .wrap { position: relative; z-index: 2; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .22);
  border-radius: var(--pill);
  font-size: 13px;
  backdrop-filter: blur(4px);
  letter-spacing: .04em;
}
.cat-hero h1 {
  margin-top: 22px;
  font-size: clamp(32px, 5vw, 54px);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.02em;
}
.hero-keyword { display: block; }
.hero-suffix {
  display: inline-block;
  margin-left: 6px;
  margin-top: 12px;
  padding: 6px 18px;
  border-radius: var(--pill);
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .24);
  font-size: 16px;
  font-weight: 600;
  vertical-align: middle;
}
.hero-desc {
  max-width: 680px;
  margin-top: 22px;
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .86);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-actions .btn-outline { border-color: rgba(255, 255, 255, .38); background: transparent; color: #fff; }
.hero-actions .btn-outline:hover { background: rgba(255, 255, 255, .16); border-color: #fff; }

/* fast strip */
.fast-strip {
  margin-top: -32px;
  position: relative;
  z-index: 5;
  border-radius: var(--radius-lg);
}
.fast-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow);
}
.fast-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 14px;
  border-radius: var(--radius);
  background: #FBF7F2;
  border-left: 4px solid var(--coral);
}
.fast-item .fi-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--teal); flex-shrink: 0; }
.fast-item:nth-child(2) .fi-dot { background: var(--orange); }
.fast-item:nth-child(3) .fi-dot { background: var(--teal); }
.fast-item:nth-child(4) .fi-dot { background: var(--coral); }
.fast-item strong { display: block; color: var(--dark); font-size: 16px; font-weight: 700; line-height: 1.4; }
.fast-item small { display: block; color: var(--muted); font-size: 13px; line-height: 1.5; }
@media (max-width: 900px) {
  .fast-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .fast-grid { grid-template-columns: 1fr; }
}

/* versions */
.cat-section { padding: var(--section-space) 0; }
.cat-section:nth-of-type(2) { padding-top: 0; }
.version-panel {
  background: linear-gradient(170deg, #FFFFFF 0%, #FBF5EE 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow);
}
.version-list { display: flex; flex-direction: column; gap: 16px; }
.version-row {
  display: grid;
  grid-template-columns: 70px 1fr auto;
  align-items: stretch;
  gap: 22px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 22px 22px 22px 18px;
  transition: border-color .25s, box-shadow .25s, transform .25s;
}
.version-row:hover {
  border-color: #E88A6B;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.version-no {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 18px;
  background: linear-gradient(145deg, #FFF1EB, #FFE3D6);
  color: var(--coral);
  font-weight: 800;
  font-size: 20px;
  font-variant-numeric: tabular-nums;
}
.version-main { display: flex; flex-direction: column; justify-content: center; min-width: 0; }
.version-title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 6px; }
.version-title-row h3 { font-size: 18px; font-weight: 700; color: var(--dark); }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: var(--pill);
  background: #F2ECE4;
  color: #5C564E;
  font-size: 12px;
  line-height: 1.5;
  font-weight: 500;
}
.tag-teal { background: #E6F4F2; color: #187A70; }
.tag-coral { background: #FFEDE6; color: var(--coral); }
.version-desc { color: var(--muted); font-size: 15px; }
.version-action { display: flex; align-items: center; justify-content: flex-end; min-width: 170px; }
@media (max-width: 800px) {
  .version-row { grid-template-columns: 1fr; gap: 12px; padding: 20px; }
  .version-action { justify-content: flex-start; margin-top: 4px; }
}

/* scene cards */
.scene-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr 1fr;
  gap: 18px;
}
.scene-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 6px 18px rgba(63, 46, 31, .05);
  transition: box-shadow .25s, transform .25s;
}
.scene-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.scene-card:first-child {
  grid-row: span 2;
}
.scene-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.scene-card:first-child .scene-media { aspect-ratio: auto; height: 46%; min-height: 180px; }
.scene-media img { width: 100%; height: 100%; object-fit: cover; background: #ECE2D8; transition: transform .6s ease; }
.scene-card:hover .scene-media img { transform: scale(1.03); }
.scene-body { display: flex; flex-direction: column; flex: 1; padding: 24px; }
.scene-body h3 { font-size: 20px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.scene-body p { color: var(--muted); font-size: 15px; line-height: 1.7; }
.scene-tag {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 14px;
}
@media (max-width: 900px) {
  .scene-grid { grid-template-columns: repeat(2, 1fr); }
  .scene-card:first-child { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .scene-grid { grid-template-columns: 1fr; }
  .scene-card:first-child { grid-column: auto; }
}

/* steps */
.steps-wrap {
  background: var(--dark);
  border-radius: var(--radius-lg);
  padding: 44px 34px;
  color: #fff;
  background-image: radial-gradient(circle at 10% 20%, rgba(255, 155, 84, .2), transparent 30%);
}
.steps-wrap h2 { color: #fff; }
.steps-wrap .section-head { margin-bottom: 38px; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: steps; position: relative; }
.step-card { counter-increment: steps; background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .14); border-radius: 20px; padding: 28px 20px 24px; position: relative; }
.step-card::before {
  content: counter(steps, decimal-leading-zero);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 26px;
  border-radius: 99px;
  background: var(--grad);
  color: #fff;
  font-weight: 800;
  font-size: 13px;
  margin-bottom: 18px;
  letter-spacing: .05em;
}
.step-card h3 { color: #fff; font-size: 18px; margin-bottom: 8px; }
.step-card p { color: rgba(255, 255, 255, .7); font-size: 14px; line-height: 1.7; }
@media (max-width: 900px) {
  .steps-wrap { padding: 36px 20px; }
  .steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .steps { grid-template-columns: 1fr; }
}

/* other categories */
.relate-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.relate-card {
  position: relative;
  min-height: 190px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  isolation: isolate;
  display: flex;
  align-items: flex-end;
  padding: 28px;
  color: #fff;
  box-shadow: var(--shadow);
}
.relate-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: linear-gradient(180deg, rgba(30, 42, 56, .1) 0%, rgba(30, 42, 56, .86) 100%);
}
.relate-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.relate-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.relate-card h3 { font-size: 20px; color: #fff; margin-bottom: 4px; }
.relate-card p { color: rgba(255, 255, 255, .78); font-size: 14px; margin-bottom: 14px; }
.relate-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 17px;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: var(--pill);
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  transition: background .2s, border-color .2s;
}
.relate-link:hover { background: #fff; color: var(--dark); border-color: #fff; }
@media (max-width: 900px) {
  .relate-grid { grid-template-columns: 1fr; }
}

/* FAQ */
.faq-split {
  display: grid;
  grid-template-columns: .85fr 1.5fr;
  gap: 44px;
  align-items: start;
}
.faq-intro .section-head { margin-bottom: 0; }
.faq-list details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-list details[open] { border-color: rgba(232, 90, 60, .4); box-shadow: var(--shadow); }
.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  cursor: pointer;
  list-style: none;
  color: var(--dark);
  font-weight: 600;
  transition: background .2s;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary:hover { background: #FFF8F4; }
.faq-q-title { display: flex; align-items: flex-start; gap: 14px; }
.faq-q-no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: 10px;
  background: #FFE9E0;
  color: var(--coral);
  font-size: 13px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}
.faq-icon { display: inline-flex; flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--bg); align-items: center; justify-content: center; font-size: 18px; color: var(--coral); transition: transform .25s, background .25s; }
.faq-list details[open] .faq-icon { transform: rotate(45deg); background: #FFE3D6; }
.faq-answer { padding: 0 26px 22px 68px; color: var(--muted); background: #FBF7F2; border-top: 1px dashed #EBDFD3; margin-top: -2px; line-height: 1.8; font-size: 15px; }
@media (max-width: 900px) {
  .faq-split { grid-template-columns: 1fr; }
  .faq-intro .section-head { margin-bottom: 24px; }
  .faq-answer { padding: 14px 18px 18px 58px; }
}
@media (max-width: 560px) {
  .faq-answer { padding: 14px 18px 16px; }
}

/* CTA band */
.cta-band {
  padding: var(--section-space) 0;
  background: var(--bg);
}
.cta-card {
  position: relative;
  border-radius: 30px;
  background: var(--grad);
  padding: 56px 48px;
  overflow: hidden;
  color: #fff;
  box-shadow: 0 20px 50px rgba(232, 90, 60, .28);
  isolation: isolate;
}
.cta-card::before {
  content: "";
  position: absolute;
  top: -70px;
  right: -40px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .16);
  z-index: -1;
}
.cta-card h2 { font-size: clamp(26px, 3.6vw, 42px); line-height: 1.25; font-weight: 800; }
.cta-card p { margin-top: 12px; max-width: 680px; color: rgba(255, 255, 255, .9); }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
@media (max-width: 640px) {
  .cta-card { padding: 36px 20px; }
}

/* footer */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .7);
  padding: 70px 0 26px;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}
.footer-brand p { margin-top: 16px; max-width: 300px; font-size: 14px; line-height: 1.8; }
.footer-brand .nav-logo-text { color: #fff; }
.footer-col h4 {
  font-size: 15px;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 600;
}
.footer-col a {
  display: block;
  padding: 4px 0;
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  transition: color .2s, padding-left .2s;
}
.footer-col a:hover { color: var(--orange); padding-left: 4px; }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 0 0;
  font-size: 13px;
  color: rgba(255, 255, 255, .55);
}
.footer-bottom a { color: rgba(255, 255, 255, .7); }
.footer-bottom a:hover { color: var(--orange); }
@media (max-width: 900px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* responsive */
@media (max-width: 768px) {
  :root { --section-space: 64px; }
  .cat-hero { padding: 72px 0 84px; }
  .section-head { margin-bottom: 28px; }
  .hero-actions .btn { flex: 1; }
}
@media (max-width: 480px) {
  :root { --section-space: 48px; }
  .version-panel { padding: 14px; }
  .version-row { padding: 18px; }
  .cta-actions .btn { flex: 1; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
}

/* roulang page: category2 */
:root{
  --primary:#E85A3C;
  --primary-dark:#d44a2e;
  --secondary:#FF9B54;
  --dark:#1E2A38;
  --dark-2:#27384a;
  --bg:#F6F2EB;
  --card:#FFFFFF;
  --text:#2b3440;
  --text-light:#727c89;
  --border:rgba(232,90,60,.18);
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:8px;
  --shadow-sm:0 4px 16px rgba(80,55,35,.06);
  --shadow-md:0 10px 30px rgba(63,46,31,.08);
  --shadow-hover:0 14px 36px rgba(63,46,31,.14);
  --grad-main:linear-gradient(135deg,#E85A3C,#FF9B54);
  --grad-hero:linear-gradient(135deg,rgba(30,42,56,.92),rgba(232,90,60,.76));
  --container:1200px;
  --space-lg:96px;
  --space-md:64px;
  --space-sm:40px;
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-stack);font-size:16px;line-height:1.75;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.wrap{max-width:var(--container);margin:0 auto;padding:0 28px}
section{position:relative}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--dark);color:rgba(255,255,255,.68);font-size:13px;height:36px;display:flex;align-items:center}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;width:100%}
.topbar .domain-text{font-weight:500;letter-spacing:.02em}
.topbar .domain-text em{font-style:normal;color:var(--secondary)}
.topbar a{margin-left:16px;display:inline-flex;align-items:center;gap:4px}
@media(max-width:768px){.topbar .tip-text{display:none}}

/* ---------- 导航 ---------- */
.navbar{background:#fff;position:sticky;top:0;z-index:800;transition:box-shadow .3s ease;border-bottom:1px solid rgba(30,42,56,.05)}
.navbar.scrolled{box-shadow:0 8px 30px rgba(30,42,56,.07)}
.nav-inner{display:flex;align-items:center;min-height:72px}
.nav-logo{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{display:inline-flex;flex-wrap:wrap;width:34px;height:34px;gap:3px;position:relative;background-size:cover}
.logo-mark i{width:13px;height:13px;border-radius:50%;display:block}
.logo-mark i:nth-child(1){background:var(--primary)}
.logo-mark i:nth-child(2){background:var(--secondary)}
.logo-mark i:nth-child(3){background:var(--dark)}
.logo-mark i:nth-child(4){background:#2A9D8F}
.logo-mark::after{content:"";position:absolute;width:22px;height:2px;background:var(--primary);top:16px;left:18px;transform-origin:left;transform:scaleX(.4) rotate(0deg);transition:transform .3s}
.logo-mark::before{content:"";position:absolute;width:4px;height:4px;background:var(--secondary);border-radius:50%;top:14px;left:20px;z-index:2}
.logo-mark i{opacity:.95}
.nav-logo:hover .logo-mark::after{transform:scaleX(.75)}
.nav-logo-text{font-size:20px;font-weight:800;color:var(--dark);line-height:1.25;letter-spacing:-.01em;display:flex;flex-direction:column}
.nav-logo-text small{font-size:11px;font-weight:500;color:var(--text-light);letter-spacing:.06em;line-height:1.2}
.nav-collapse{display:flex;align-items:center;justify-content:flex-end;gap:20px;flex:1}
.nav-toggle-input{display:none}
.nav-burger{display:none}
.nav-desktop{display:flex;gap:6px;list-style:none;margin:0;padding:0}
.nav-desktop a{color:var(--text-light);display:inline-flex;align-items:center;height:36px;padding:0 14px;font-size:15px;border-radius:999px;font-weight:500}
.nav-desktop a:hover,.nav-desktop a.active{color:var(--primary-dark);background:rgba(232,90,60,.08)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;transition:all .25s ease;border:none;cursor:pointer;border-radius:999px;line-height:1.4}
.btn-arrow{transition:transform .25s ease}
.btn:hover .btn-arrow{transform:translateX(4px)}
.btn:focus-visible{outline:3px solid rgba(232,90,60,.4);outline-offset:2px}
.btn-primary{background:var(--grad-main);color:#fff;padding:10px 22px;box-shadow:0 6px 18px rgba(232,90,60,.3)}
.btn-primary:hover{background:var(--primary-dark);box-shadow:0 8px 24px rgba(232,90,60,.4);color:#fff}
.btn-primary:active{transform:translateY(1px)}
.nav-cta{flex-shrink:0;text-decoration:none}
.nav-desktop li{display:inline-flex}
@media(max-width:1024px){
  .nav-collapse{gap:12px}
  .nav-desktop a{padding:0 10px;font-size:14px}
}
@media(max-width:768px){
  .nav-burger{display:flex;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;cursor:pointer;margin-left:auto;position:relative;z-index:10}
  .nav-burger span{display:block;height:2px;width:26px;background:var(--dark);border-radius:2px;transition:transform .3s,opacity .3s}
  .nav-toggle-input:checked + .nav-burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle-input:checked + .nav-burger span:nth-child(2){opacity:0}
  .nav-toggle-input:checked + .nav-burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-collapse{position:fixed;top:36px;left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;padding:14px 24px 24px;box-shadow:0 24px 44px rgba(30,42,56,.1);border-radius:0 0 20px 20px;gap:14px;transform:translateY(-110%);visibility:hidden;opacity:0;transition:all .35s ease;z-index:900}
  .nav-toggle-input:checked ~ .nav-collapse{transform:translateY(0);visibility:visible;opacity:1}
  .nav-desktop{flex-direction:column;gap:2px;align-items:stretch}
  .nav-desktop a{height:44px;width:100%;justify-content:flex-start;border-radius:10px;font-size:16px}
  .nav-cta{margin-top:10px;justify-content:flex-start;padding-left:20px}
  .nav-logo-text{font-size:19px}
}

/* ---------- Page Hero V2 ---------- */
.page-banner{position:relative;overflow:hidden;padding:64px 0 72px;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.page-banner .overlay{position:absolute;inset:0;background:var(--grad-hero);z-index:0}
.page-banner .pane{position:relative;z-index:2;color:#fff;max-width:720px}
.page-banner .cat-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);padding:6px 16px;border-radius:999px;font-size:13px;letter-spacing:.04em;margin-bottom:20px;backdrop-filter:blur(8px)}
.page-banner h1{font-size:clamp(30px,4.4vw,48px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:#fff;margin-bottom:18px}
.page-banner p{font-size:clamp(15px,1.6vw,18px);line-height:1.7;color:rgba(255,255,255,.92);margin-bottom:32px}
.page-banner .btn-tray{display:flex;gap:14px;flex-wrap:wrap}
.page-banner .pane .btn-primary{background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(8px)}
.page-banner .pane .btn-primary:hover{background:rgba(255,255,255,.3);color:#fff}
+.pane .btn-solid{background:#fff;color:var(--primary-dark);box-shadow:0 8px 20px rgba(0,0,0,.1)}
.page-banner .pane .btn-solid:hover{transform:translateY(2px);background:#f5e8e0}
.breadcrumb-row{font-size:14px;margin-bottom:18px;display:flex;align-items:center;gap:6px;flex-wrap:wrap;color:rgba(255,255,255,.6)}
.breadcrumb-row a{color:rgba(255,255,255,.6);transition:color .2s}
.breadcrumb-row a:hover{color:#fff}
.breadcrumb-row .last{color:#fff}

/* ---------- 数据徽章 ---------- */
.badge-strip{padding:0;margin-top:-28px;position:relative;z-index:5;margin-bottom:var(--space-md)}
.badge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.badge-box{background:var(--card);border-radius:var(--radius-md);padding:22px 24px;box-shadow:var(--shadow-md);border-left:4px solid var(--primary);position:relative;display:flex;align-items:center;gap:18px;transition:transform .3s,box-shadow .3s}
.badge-box:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.badge-ic{width:54px;height:54px;border-radius:18px;background:#fdf0e8;display:flex;align-items:center;justify-content:center;font-size:24px}
.badge-num{font-size:28px;font-weight:800;line-height:1.18;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:var(--dark)}
.badge-num span{color:var(--primary)}
.badge-desc{font-size:13px;color:var(--text-light)}
@media(max-width:768px){.badge-grid{grid-template-columns:repeat(2,1fr);gap:14px}}
@media(max-width:480px){.badge-grid{grid-template-columns:1fr 1fr;gap:10px}.badge-box{flex-direction:column;align-items:flex-start;gap:8px}.badge-ic{width:40px;height:40px;font-size:20px}.badge-num{font-size:22px}.badge-desc{font-size:12px}}

/* ---------- 版本条目列表 ---------- */
.section-tight{padding:56px 0 80px}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;gap:20px}
.section-title h2{font-size:clamp(24px,2.8vw,30px);font-weight:800;color:var(--dark);letter-spacing:-.01em;line-height:1.3}
.section-title .sub-desc{color:var(--text-light);font-size:15px}
.vertical-list{display:flex;flex-direction:column;gap:14px}
.version-card{background:#fff;border-radius:var(--radius-md);padding:22px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px;box-shadow:var(--shadow-sm);border:1px solid rgba(30,42,56,.04);transition:transform .28s,border-color .28s,box-shadow .28s}
.version-card:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.version-left{display:flex;align-items:center;gap:16px;flex-wrap:wrap;min-width:0}
.ver-badge{display:inline-flex;align-items:center;gap:6px;background:#fdf0e8;color:var(--primary-dark);font-weight:800;border-radius:999px;padding:6px 14px;font-size:14px;letter-spacing:.02em}
.ver-info h3{font-size:18px;font-weight:700;color:var(--dark);margin-bottom:6px}
.ver-info p{font-size:14px;color:var(--text-light);max-width:520px;line-height:1.6}
.ver-tags{display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;gap:4px;background:rgba(42,157,143,.08);color:#1f7b72;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:500}
.tag.warn{background:rgba(232,90,60,.08);color:var(--primary-dark)}
.ver-right{flex-shrink:0;display:flex;gap:10px;align-items:center}
.btn-outline{padding:8px 20px;border:1px solid rgba(232,90,60,.3);background:transparent;color:var(--primary);text-decoration:none}
.btn-outline:hover{background:rgba(232,90,60,.07)}
.btn-dark{background:var(--dark);color:#fff;padding:8px 20px;text-decoration:none}
.btn-dark:hover{background:var(--dark-2)}
@media(max-width:768px){
  .version-card{flex-direction:column;align-items:flex-start;gap:14px}
  .ver-btnrow{width:100%;flex-direction:row;flex-wrap:wrap}
  .ver-right{width:100%}
}

/* ---------- 版本对比表 ---------- */
.section-fold{background:#fbf8f3;border-top:1px solid rgba(30,42,56,.05);border-bottom:1px solid rgba(30,42,56,.05);padding:var(--space-md) 0}
.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px}
@media(max-width:768px){.two-cols{grid-template-columns:1fr}}
.cmp-card{background:#fff;border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);position:relative}
.cmp-card .num{position:absolute;top:-12px;left:26px;background:var(--grad-main);width:32px;height:32px;border-radius:12px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px}
.cmp-card h3{font-size:19px;font-weight:800;margin-top:8px;color:var(--dark);margin-bottom:10px}
.cmp-card p{font-size:15px;color:var(--text-light)}
.cmp-card .card-index{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.card-index span{display:flex;align-items:center;gap:10px}
.card-index i{width:8px;height:8px;border-radius:50%;background:var(--primary);flex-shrink:1;display:inline-block}
.card-index .dot-blue{background:#2A9D8F}
.card-index .dot-orange{background:var(--secondary)}

/* ---------- 流程图/流程步骤 ---------- */
.section-space{padding:var(--space-md) 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 30px}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.01em;color:var(--dark);margin-bottom:10px}
.section-head p{color:var(--text-light);line-height:1.7}
.flow-row{display:flex;align-items:stretch;gap:20px;margin-top:32px}
.flow-card{flex:1;background:#fff;border-radius:var(--radius-md);padding:24px;box-shadow:var(--shadow-sm);border-top:4px solid var(--primary);position:relative;transition:transform .3s,box-shadow .3s}
.flow-card:nth-child(2){border-top-color:#2A9D8F}
.flow-card:nth-child(3){border-top-color:var(--secondary)}
.flow-card:nth-child(4){border-top-color:var(--dark)}
.flow-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.flow-step{width:32px;height:32px;border-radius:12px;background:#fdf0e8;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:var(--primary-dark);margin-bottom:14px}
.flow-card:nth-child(2) .flow-step{background:rgba(42,157,143,.1);color:#1f7b72}
.flow-card:nth-child(3) .flow-step{background:rgba(255,155,84,.12);color:#c2611a}
.flow-card:nth-child(4) .flow-step{background:rgba(30,42,56,.08);color:var(--dark)}
.flow-card h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.flow-card p{font-size:14px;line-height:1.7;color:var(--text-light)}
.flow-arrow{display:flex;align-items:center;justify-content:center;color:var(--secondary);font-size:24px;font-weight:700;flex-shrink:0}
@media(max-width:1024px){.flow-row{flex-wrap:wrap}.flow-card{flex:1 1 calc(50% - 10px)}.flow-arrow{display:none}}
@media(max-width:520px){.flow-card{flex:1 1 100%}}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.scene-item{background:#fff;border-radius:var(--radius-lg);padding:26px 24px 22px;box-shadow:var(--shadow-sm);transition:all .3s ease;border:1px solid rgba(30,42,56,.04)}
.scene-item:hover{border-color:var(--primary)}
.scene-icon{width:48px;height:48px;border-radius:18px;background:var(--grad-main);display:flex;align-items:center;justify-content:center;font-size:24px;color:#fff;margin-bottom:18px}
.scene-item h3{font-size:17px;font-weight:700;color:var(--dark);margin-bottom:8px}
.scene-item p{font-size:14px;color:var(--text-light);line-height:1.6}
@media(max-width:1024px){.scene-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){.scene-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.scene-grid{grid-template-columns:1fr}}

/* ---------- QA / 归档 ---------- */
.qa-zone{background:#fbf7f2}
.qa-layout{display:grid;grid-template-columns:1fr 2fr;gap:40px;margin-top:24px}
.qa-index-title{font-size:14px;font-weight:600;letter-spacing:.05em;color:var(--primary-dark);margin-bottom:18px}
.qa-index-list{display:flex;flex-direction:column;gap:4px}
.qa-index-list a{display:block;padding:12px 16px;border-radius:12px;font-size:15px;color:var(--text)}  
.qa-index-list a.current{background:#fff;color:var(--primary);box-shadow:var(--shadow-sm);font-weight:600}
.qa-index-list a:hover{background:#fff}
.qa-acc .faq-item{background:#fff;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:12px;border:1px solid rgba(30,42,56,.05)}
.faq-q{display:flex;align-items:center;gap:14px;padding:20px 22px;cursor:pointer;justify-content:space-between;position:relative}
.faq-q input{position:absolute;opacity:0}
.faq-title-flow{display:flex;gap:12px;align-items:center}
.faq-num{font-size:13px;font-weight:800;color:var(--primary-dark);background:#fdf0e8;border-radius:10px;width:26px;height:26px;display:flex;justify-content:center;align-items:center}
.faq-q .q-text{font-weight:600;color:var(--dark)}
.faq-toggle{width:24px;height:24px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:var(--primary);transition:transform .3s}
.answer-box{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.checked-box:has(input:checked) .answer-box, .faq-item input:checked ~ .answer-box{max-height:500px;padding-bottom:20px}
.faq-cc:checked ~ .answer-box{max-height:400px}
.answer-inner{padding:0 22px 20px;color:var(--text-light);line-height:1.7;background:#fff}
.faq-item.c-open .answer-box{max-height:300px}
@media(max-width:1024px){.qa-layout{grid-template-columns:1fr}}
@media(max-width:768px){.qa-index-list{flex-direction:row;flex-wrap:wrap}}

/* ---------- CTA ---------- */
.cta-strip{padding:80px 0}
.cta-inner{background:var(--grad-hero);border-radius:24px;padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;color:#fff}
.cta-inner h2{font-size:clamp(22px,2.6vw,28px);font-weight:800}
.cta-inner p{color:rgba(255,255,255,.77);padding-top:6px}
.cta-btn-row{display:flex;gap:12px;flex-wrap:wrap}
@media(max-width:600px){.cta-inner{padding:24px 20px;flex-direction:column;align-items:flex-start}.cta-btn-row .btn{flex:1}}

/* ---------- 资源通道 ---------- */
.gate-box{background:#fff;border:1px solid rgba(30,42,56,.06);border-radius:var(--radius-md);margin-top:24px;padding:24px 28px;box-shadow:var(--shadow-sm);display:flex;gap:16px;align-items:flex-start}
.gate-ico{width:42px;height:42px;border-radius:14px;background:rgba(42,157,143,.1);display:flex;align-items:center;justify-content:center;font-size:22px;color:#1f7b72}
.gate-box h3{font-size:17px;font-weight:800;color:var(--dark)}
.gate-box p{font-size:14px;color:var(--text-light);line-height:1.6;margin-top:5px}
.chip-small{font-size:13px;display:flex;align-items:center}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:68px 0 22px}
.site-footer .nav-logo{color:#fff}
.site-footer .nav-logo .nav-logo-text small{color:rgba(255,255,255,.4)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:46px}
.footer-brand p{margin-top:16px;color:rgba(255,255,255,.5);font-size:14px;line-height:1.65}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:12px;letter-spacing:.02em}
.footer-col a{display:block;color:rgba(255,255,255,.55);font-size:14px;padding:4px 0}
.footer-col a:hover{color:var(--secondary)}
.footer-bottom{padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:#fff}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1 / -1}}
@media(max-width:600px){.footer-grid{grid-template-columns:1fr}.site-footer{padding:50px 0 20px}}

/* ---------- 相关区块 : 卡片流 ---------- */
.card-stack{display:flex;flex-direction:column;gap:18px}
.note-ribbon{display:flex;align-items:center;gap:8px;color:var(--text-light);font-size:15px;background:rgba(232,90,60,.04);padding:8px 16px;border-radius:10px;margin-bottom:12px}
.procs{display:flex;flex-direction:column;gap:10px}
.proc-item{font-size:14px;padding:10px 14px;background:#fbf7f2;border-radius:10px;color:var(--text)}
.proc-item b{color:var(--primary)}
.container-box{max-width:1200px;margin:0 auto}
.edit-block{background:#fff;border-radius:var(--radius-lg)}
.preview-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media(max-width:768px){.preview-grid{grid-template-columns:1fr}}
.linkline{border-bottom:2px solid rgba(232,90,60,.2);font-weight:600}
.vertical-space{border-bottom:1px solid rgba(30,42,56,.08)}
.font-helper{font-size:14px;color:var(--text-light)}
.arrow-icon{width:20px;height:20px;display:inline-flex;background:var(--grad-main);border-radius:50%;justify-content:center;align-items:center;color:#fff;font-size:14px;line-height:22px;transition:transform .3s;flex-shrink:0}
.version-card:hover .arrow-icon{transform:translateX(4px)}
.center-chip{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-light)}

/* misc */
@media(max-width:768px){
  .wrap{padding:0 18px}
  .section-space{padding:48px 0}
  .section-tight{padding:34px 0 48px}
  .site-footer{padding:48px 0 16px}
  .cta-strip{padding:48px 0}
}

/* roulang page: category3 */
:root {
      --brand: #E85A3C;
      --brand-2: #FF9B54;
      --brand-grad: linear-gradient(135deg, #E85A3C 0%, #FF9B54 100%);
      --deep: #1E2A38;
      --deep-2: #263746;
      --bg: #F6F2EB;
      --card: #FFFFFF;
      --ink: #2A3542;
      --muted: #66727F;
      --line: #EAE1D7;
      --soft-bg: #FBF7F2;
      --teal: #2A9D8F;
      --warm-shadow: 0 10px 30px rgba(63, 46, 31, 0.08);
      --warm-shadow-up: 0 16px 36px rgba(63, 46, 31, 0.14);
      --radius-card: 16px;
      --radius-xl: 24px;
      --radius-pill: 999px;
      --section-gap: 96px;
    }

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

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

    body,
    h1,
    h2,
    h3,
    h4,
    p,
    figure,
    blockquote,
    dl,
    dd,
    ul {
      margin: 0;
    }

    ul,
    ol {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    img {
      display: block;
      max-width: 100%;
    }

    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--ink);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .2s ease, opacity .2s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
    }

    a:focus-visible,
    button:focus-visible,
    label:focus-visible,
    input:focus-visible {
      outline: 3px solid rgba(232, 90, 60, .35);
      outline-offset: 2px;
      border-radius: 6px;
    }

    button {
      border: none;
      background: none;
      cursor: pointer;
    }

    .wrap {
      width: min(1200px, 92%);
      margin: 0 auto;
    }

    section[id],
    div[id] {
      scroll-margin-top: 100px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 24px;
      border-radius: var(--radius-pill);
      border: 1px solid transparent;
      font-weight: 700;
      font-size: 15px;
      line-height: 1;
      text-decoration: none;
      white-space: nowrap;
      transition: all .25s ease;
    }

    .btn-primary {
      background: var(--brand-grad);
      color: #fff;
      box-shadow: 0 8px 20px rgba(232, 90, 60, .24);
    }

    .btn-primary:hover {
      box-shadow: 0 10px 26px rgba(232, 90, 60, .36);
      transform: translateY(-2px);
    }

    .btn-primary:hover .btn-arrow {
      transform: translateX(4px);
    }

    .btn-primary:active {
      transform: translateY(1px);
      box-shadow: 0 4px 14px rgba(232, 90, 60, .32);
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, .5);
      color: #fff;
      background: rgba(255, 255, 255, .08);
      backdrop-filter: blur(4px);
    }

    .btn-outline:hover {
      border-color: #fff;
      background: rgba(255, 255, 255, .14);
      transform: translateY(-2px);
    }

    .btn-outline:active {
      transform: translateY(1px);
    }

    .btn-light {
      background: #fff;
      color: var(--deep);
      box-shadow: 0 8px 20px rgba(28, 20, 12, .08);
    }

    .btn-light:hover {
      transform: translateY(-2px);
      box-shadow: 0 12px 28px rgba(28, 20, 12, .14);
    }

    .btn-light:active {
      transform: translateY(1px);
    }

    .btn-arrow {
      display: inline-block;
      transition: transform .2s ease;
    }

    .section {
      padding: var(--section-gap) 0;
    }

    .section.compact {
      padding: 56px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 40px;
    }

    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 700;
      letter-spacing: .04em;
      color: var(--brand);
      background: rgba(232, 90, 60, .09);
      border-radius: var(--radius-pill);
      padding: 6px 14px;
      margin-bottom: 12px;
    }

    .kicker::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: var(--brand);
      flex: none;
    }

    .section-title {
      font-size: clamp(24px, 3.1vw, 36px);
      line-height: 1.3;
      font-weight: 800;
      color: var(--deep);
      letter-spacing: -.01em;
      margin-bottom: 12px;
    }

    .section-desc {
      color: var(--muted);
      font-size: 16px;
      line-height: 1.8;
    }

    /* 顶部信息条 */
    .top-meta {
      background: var(--deep);
      color: rgba(255, 255, 255, .78);
      min-height: 36px;
      font-size: 13px;
    }

    .top-meta-inner {
      min-height: 36px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }

    .top-meta-left,
    .top-meta-right {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .top-meta a {
      color: rgba(255, 255, 255, .9);
    }

    .top-meta a:hover {
      color: var(--brand-2);
    }

    .top-domain {
      font-weight: 800;
      color: #fff;
    }

    .top-meta-tip {
      color: rgba(255, 255, 255, .48);
    }

    .top-meta-dot {
      color: rgba(255, 255, 255, .35);
    }

    /* 主导航 */
    .navbar {
      position: sticky;
      top: 0;
      z-index: 100;
      background: #fff;
      box-shadow: 0 1px 0 rgba(30, 42, 56, .04);
      transition: box-shadow .3s ease;
    }

    .navbar.scrolled {
      box-shadow: 0 8px 24px rgba(30, 42, 56, .08);
    }

    .nav-inner {
      display: flex;
      align-items: center;
      gap: 20px;
      min-height: 72px;
      position: relative;
    }

    .nav-logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex: none;
      color: var(--deep);
      font-size: 19px;
      font-weight: 800;
      letter-spacing: -.01em;
    }

    .nav-logo small {
      display: block;
      font-size: 12px;
      font-weight: 500;
      color: var(--muted);
      margin-top: 1px;
      letter-spacing: .02em;
    }

    .logo-mark {
      position: relative;
      width: 40px;
      height: 40px;
      border-radius: 13px;
      background: var(--brand-grad);
      box-shadow: 0 8px 18px rgba(232, 90, 60, .24);
      flex: none;
    }

    .logo-mark i {
      position: absolute;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(255, 255, 255, .96);
    }

    .logo-mark i:nth-child(1) {
      left: 9px;
      top: 10px;
    }

    .logo-mark i:nth-child(2) {
      right: 9px;
      top: 10px;
      opacity: .82;
    }

    .logo-mark i:nth-child(3) {
      left: 8px;
      bottom: 10px;
      opacity: .82;
    }

    .logo-mark i:nth-child(4) {
      right: 9px;
      bottom: 10px;
    }

    .nav-toggle-input {
      position: absolute;
      width: 1px;
      height: 1px;
      opacity: 0;
      pointer-events: none;
    }

    .nav-burger {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: var(--soft-bg);
      align-items: center;
      justify-content: center;
      gap: 5px;
      flex-direction: column;
      cursor: pointer;
      margin-left: auto;
      z-index: 120;
    }

    .nav-burger span {
      display: block;
      width: 18px;
      height: 2px;
      border-radius: 2px;
      background: var(--deep);
      transition: transform .25s ease, opacity .2s ease;
    }

    .nav-toggle-input:checked+.nav-burger span:nth-child(1) {
      transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle-input:checked+.nav-burger span:nth-child(2) {
      opacity: 0;
    }

    .nav-toggle-input:checked+.nav-burger span:nth-child(3) {
      transform: translateY(-7px) rotate(-45deg);
    }

    .nav-collapse {
      display: flex;
      align-items: center;
      gap: 14px;
      margin-left: auto;
    }

    .nav-desktop {
      display: flex;
      align-items: center;
      gap: 2px;
    }

    .nav-desktop a {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 8px 13px;
      font-size: 15px;
      font-weight: 600;
      color: var(--ink);
      border-radius: 10px;
      position: relative;
    }

    .nav-desktop a:hover {
      color: var(--brand);
      background: rgba(232, 90, 60, .06);
    }

    .nav-desktop a.active {
      color: var(--brand);
      background: rgba(232, 90, 60, .09);
    }

    .nav-cta {
      min-height: 40px;
      padding: 0 18px;
      font-size: 14px;
    }

    /* Hero */
    .mobile-hero {
      background:
        linear-gradient(135deg, rgba(30, 42, 56, .94), rgba(232, 90, 60, .76)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      padding: 84px 0 128px;
      color: #fff;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.08fr .92fr;
      gap: 48px;
      align-items: center;
    }

    .hero-copy {
      max-width: 650px;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .24);
      border-radius: var(--radius-pill);
      padding: 7px 16px;
      font-size: 13px;
      font-weight: 700;
      backdrop-filter: blur(6px);
      margin-bottom: 20px;
    }

    .hero-badge i {
      width: 7px;
      height: 7px;
      border-radius: 50%;
      background: #FFB88A;
      flex: none;
    }

    .hero-copy h1 {
      font-size: clamp(30px, 4.4vw, 52px);
      line-height: 1.28;
      font-weight: 800;
      letter-spacing: -.01em;
      margin-bottom: 16px;
      color: #fff;
    }

    .hero-copy h1 .gradient-text {
      background: linear-gradient(90deg, #FFD29B, #FF9B54);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }

    .hero-copy .hero-sub {
      font-size: 16px;
      line-height: 1.9;
      color: rgba(255, 255, 255, .82);
      max-width: 560px;
      margin-bottom: 28px;
    }

    .hero-action {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
    }

    .hero-aside {
      display: flex;
      justify-content: center;
    }

    .hero-panel {
      width: min(480px, 94%);
      background: rgba(255, 255, 255, .98);
      border-radius: var(--radius-xl);
      box-shadow: 0 22px 50px rgba(14, 18, 26, .28);
      padding: 10px;
      color: var(--ink);
    }

    .hero-panel-head {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 10px 12px;
      border-bottom: 1px solid var(--line);
    }

    .hero-panel-head .panel-dot {
      width: 9px;
      height: 9px;
      border-radius: 50%;
      background: #F2603C;
    }

    .hero-panel-head .panel-dot:nth-child(2) {
      background: #F5A64B;
    }

    .hero-panel-head .panel-dot:nth-child(3) {
      background: #3EBD9B;
    }

    .hero-panel-head span {
      font-size: 13px;
      font-weight: 700;
      margin-left: 4px;
      color: var(--deep);
    }

    .hero-panel-media {
      border-radius: 16px;
      overflow: hidden;
      margin-top: 10px;
      background: var(--soft-bg);
    }

    .hero-panel-media img {
      width: 100%;
      min-height: 220px;
      object-fit: cover;
    }

    .hero-panel-info {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px 12px 10px;
    }

    .hero-panel-status {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      font-size: 13px;
      font-weight: 700;
      color: #1E7C70;
      background: rgba(42, 157, 143, .1);
      border-radius: var(--radius-pill);
      padding: 6px 12px;
    }

    .hero-panel-status i {
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background: var(--teal);
    }

    .hero-panel-note {
      font-size: 13px;
      color: var(--muted);
    }

    .hero-release {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      background: rgba(232, 90, 60, .1);
      color: var(--brand);
      font-size: 18px;
      font-weight: 800;
    }

    /* 指标带 */
    .metric-strip {
      position: relative;
      z-index: 5;
      margin-top: -52px;
      margin-bottom: 24px;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
    }

    .metric-card {
      background: #fff;
      border-radius: var(--radius-card);
      border-left: 4px solid var(--brand);
      padding: 20px 20px 18px;
      box-shadow: var(--warm-shadow);
      transition: transform .25s ease, box-shadow .25s ease;
      position: relative;
      overflow: hidden;
    }

    .metric-card::after {
      content: "";
      position: absolute;
      right: -18px;
      top: -20px;
      width: 74px;
      height: 74px;
      border-radius: 50%;
      background: rgba(255, 155, 84, .09);
    }

    .metric-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--warm-shadow-up);
    }

    .metric-label {
      font-size: 12px;
      font-weight: 600;
      letter-spacing: .04em;
      color: var(--muted);
      margin-bottom: 5px;
    }

    .metric-value {
      font-size: clamp(18px, 1.8vw, 23px);
      font-weight: 800;
      color: var(--deep);
      line-height: 1.35;
      font-variant-numeric: tabular-nums;
    }

    .metric-sub {
      font-size: 13px;
      line-height: 1.55;
      color: var(--muted);
      margin-top: 6px;
    }

    /* 手机预览区 */
    .preview-section {
      padding-top: 20px;
    }

    .preview-stage {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 32px;
      box-shadow: var(--warm-shadow);
      padding: clamp(24px, 4vw, 56px);
      position: relative;
      overflow: hidden;
    }

    .preview-stage::before {
      content: "";
      position: absolute;
      right: -60px;
      top: -60px;
      width: 190px;
      height: 190px;
      background: radial-gradient(circle, rgba(255, 155, 84, .14), transparent 70%);
      pointer-events: none;
    }

    .preview-grid {
      display: grid;
      grid-template-columns: 1fr .62fr 1fr;
      gap: 20px;
      align-items: center;
      position: relative;
    }

    .preview-col {
      display: flex;
      flex-direction: column;
      gap: 16px;
      height: 100%;
    }

    .preview-col.left .preview-mini-card {
      text-align: right;
    }

    .preview-mini-card {
      background: var(--soft-bg);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 20px 22px;
      flex: 1;
    }

    .preview-mini-card .mini-icon {
      display: inline-flex;
      width: 34px;
      height: 34px;
      margin-bottom: 8px;
      align-items: center;
      justify-content: center;
      border-radius: 10px;
      background: var(--brand-grad);
      color: #fff;
      font-weight: 800;
    }

    .preview-mini-card h3 {
      color: var(--deep);
      font-size: 15px;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .preview-mini-card p {
      font-size: 13px;
      line-height: 1.7;
      color: var(--muted);
    }

    .preview-col.left .mini-icon {
      margin-left: auto;
    }

    .phone-holder {
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .phone-frame {
      width: min(240px, 70vw);
      background: #111318;
      border-radius: 42px;
      padding: 9px;
      box-shadow: 0 24px 60px rgba(30, 42, 56, .3), 0 0 0 8px rgba(255, 255, 255, .96);
      border: 1px solid #e8decf;
    }

    .phone-screen {
      position: relative;
      border-radius: 32px;
      overflow: hidden;
      background: #f4efe7;
    }

    .phone-screen img {
      width: 100%;
      height: 410px;
      object-fit: cover;
    }

    .phone-notch {
      position: absolute;
      left: 50%;
      top: 8px;
      transform: translateX(-50%);
      width: 45%;
      height: 18px;
      background: #101216;
      border-radius: 20px;
      opacity: .34;
    }

    .phone-inner-label {
      position: absolute;
      left: 14px;
      right: 14px;
      bottom: 14px;
      padding: 12px 16px;
      background: rgba(255, 255, 255, .88);
      backdrop-filter: blur(8px);
      border-radius: 14px;
      color: var(--deep);
      font-size: 13px;
      font-weight: 700;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    /* 流程路径 */
    .route-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
    }

    .route-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 22px;
      box-shadow: var(--warm-shadow);
      position: relative;
      transition: transform .25s ease, border-color .25s ease, box-shadow .25s ease;
    }

    .route-card:hover {
      transform: translateY(-2px);
      border-color: rgba(232, 90, 60, .4);
      box-shadow: var(--warm-shadow-up);
    }

    .route-index {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 36px;
      height: 36px;
      padding: 0 10px;
      border-radius: 12px;
      background: rgba(232, 90, 60, .09);
      color: var(--brand);
      font-size: 14px;
      font-weight: 800;
      margin-bottom: 14px;
      font-variant-numeric: tabular-nums;
    }

    .route-card:nth-child(2) .route-index,
    .route-card:nth-child(4) .route-index {
      background: rgba(42, 157, 143, .1);
      color: var(--teal);
    }

    .route-card h3 {
      font-size: 16px;
      font-weight: 800;
      color: var(--deep);
      margin-bottom: 6px;
    }

    .route-card p {
      font-size: 13px;
      line-height: 1.7;
      color: var(--muted);
    }

    /* 核对清单 */
    .checklist-section {
      background: #fff;
      border-bottom: 1px solid var(--line);
    }

    .checklist-wrap {
      display: grid;
      grid-template-columns: .95fr 1.05fr;
      gap: 48px;
      align-items: center;
    }

    .checklist-visual {
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--warm-shadow);
    }

    .checklist-visual img {
      width: 100%;
      height: 330px;
      object-fit: cover;
    }

    .check-list {
      display: grid;
      gap: 12px;
    }

    .check-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      background: var(--soft-bg);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 14px 16px;
    }

    .check-symbol {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 50%;
      background: rgba(42, 157, 143, .1);
      color: var(--teal);
      flex: none;
      font-weight: 800;
      font-size: 14px;
      margin-top: 2px;
    }

    .check-item strong {
      display: block;
      color: var(--deep);
      font-size: 15px;
      margin-bottom: 2px;
    }

    .check-item span {
      display: block;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.7;
    }

    /* 移动浏览器建议 */
    .tip-card {
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      padding: 26px;
      box-shadow: var(--warm-shadow);
      position: relative;
      transition: transform .25s ease, box-shadow .25s ease;
    }

    .tip-card:hover {
      transform: translateY(-2px);
      box-shadow: var(--warm-shadow-up);
    }

    .tip-icon {
      width: 46px;
      height: 46px;
      border-radius: 15px;
      background: var(--brand-grad);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 21px;
      font-weight: 800;
      margin-bottom: 18px;
      box-shadow: 0 10px 20px rgba(232, 90, 60, .18);
    }

    .tip-card:nth-child(3n + 2) .tip-icon {
      background: linear-gradient(135deg, #228B82, #4BBFAE);
      box-shadow: 0 10px 20px rgba(42, 157, 143, .2);
    }

    .tip-card:nth-child(3n + 3) .tip-icon {
      background: linear-gradient(135deg, #5B6B7F, #35465B);
      box-shadow: 0 10px 20px rgba(30, 42, 56, .18);
    }

    .tip-card h3 {
      font-size: 17px;
      font-weight: 800;
      color: var(--deep);
      margin-bottom: 6px;
    }

    .tip-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .tip-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 36px;
    }

    /* 分类快捷入口 */
    .quick-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }

    .quick-card {
      display: block;
      background: #fff;
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      overflow: hidden;
      box-shadow: var(--warm-shadow);
      transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    }

    .quick-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--warm-shadow-up);
      border-color: rgba(232, 90, 60, .4);
    }

    .quick-cover {
      height: 140px;
      overflow: hidden;
    }

    .quick-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .quick-card:hover .quick-cover img {
      transform: scale(1.04);
    }

    .quick-body {
      padding: 18px;
    }

    .quick-body h3 {
      font-size: 17px;
      font-weight: 800;
      color: var(--deep);
      margin-bottom: 4px;
    }

    .quick-body p {
      font-size: 13px;
      color: var(--muted);
      margin-bottom: 12px;
    }

    .quick-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand);
      font-weight: 700;
      font-size: 14px;
    }

    .quick-link .btn-arrow {
      display: inline-block;
      transition: transform .2s ease;
    }

    .quick-card:hover .quick-link .btn-arrow {
      transform: translateX(4px);
    }

    /* FAQ */
    .faq-section {
      background: #fff;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 24px;
      align-items: start;
    }

    .faq-q-column {
      position: relative;
      display: grid;
      gap: 10px;
    }

    .faq-r {
      position: absolute;
      width: 1px;
      height: 1px;
      opacity: 0;
      pointer-events: none;
    }

    .faq-trigger {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      background: var(--soft-bg);
      border: 1px solid var(--line);
      border-radius: 16px;
      padding: 14px 16px;
      cursor: pointer;
      transition: background .2s ease, border-color .2s ease, transform .2s ease;
    }

    .faq-trigger:hover {
      background: #fff;
      border-color: rgba(232, 90, 60, .5);
      transform: translateY(-1px);
    }

    .faq-r:checked+.faq-trigger {
      background: #fff;
      border-color: var(--brand);
      box-shadow: 0 8px 20px rgba(232, 90, 60, .08);
    }

    .faq-num {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      min-width: 28px;
      border-radius: 9px;
      background: rgba(232, 90, 60, .1);
      color: var(--brand);
      font-size: 13px;
      font-weight: 800;
      font-variant-numeric: tabular-nums;
    }

    .faq-q-title {
      flex: 1;
      color: var(--deep);
      font-size: 14px;
      font-weight: 700;
      line-height: 1.6;
    }

    .faq-a-column {
      background: var(--soft-bg);
      border: 1px solid var(--line);
      border-radius: var(--radius-xl);
      padding: 30px;
      min-height: 320px;
    }

    .faq-answer {
      display: none;
    }

    .faq-answer.is-open {
      display: block;
      animation: faqFade .35s ease;
    }

    @keyframes faqFade {
      from {
        opacity: 0;
        transform: translateY(6px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    .faq-a-head {
      font-size: 18px;
      font-weight: 800;
      color: var(--deep);
      margin-bottom: 12px;
      line-height: 1.5;
    }

    .faq-a-body {
      font-size: 15px;
      line-height: 1.9;
      color: var(--ink);
    }

    /* CTA */
    .cta-card {
      background:
        linear-gradient(135deg, rgba(30, 42, 56, .96), rgba(232, 90, 60, .82)),
        url('/assets/images/backpic/back-2.png') center/cover no-repeat;
      border-radius: 30px;
      padding: clamp(32px, 5vw, 70px);
      color: #fff;
      display: grid;
      grid-template-columns: 1.1fr auto;
      gap: 40px;
      align-items: center;
      box-shadow: 0 24px 60px rgba(30, 42, 56, .24);
      position: relative;
      overflow: hidden;
    }

    .cta-card::after {
      content: "";
      position: absolute;
      right: -80px;
      top: -80px;
      width: 260px;
      height: 260px;
      background: rgba(255, 155, 84, .2);
      border-radius: 50%;
      pointer-events: none;
    }

    .cta-title {
      font-size: clamp(24px, 2.8vw, 36px);
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 10px;
    }

    .cta-desc {
      color: rgba(255, 255, 255, .85);
      font-size: 15px;
      line-height: 1.8;
      max-width: 600px;
    }

    .cta-actions {
      display: flex;
      flex-direction: column;
      gap: 12px;
      min-width: 220px;
      position: relative;
      z-index: 2;
    }

    .cta-actions .btn {
      width: 100%;
    }

    /* 页脚 */
    .site-footer {
      background: var(--deep);
      color: #c9d1d9;
      padding: 72px 0 0;
      margin-top: var(--section-gap);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1fr;
      gap: 36px;
      padding-bottom: 48px;
    }

    .footer-brand .nav-logo {
      margin-bottom: 14px;
    }

    .footer-brand .nav-logo-text {
      color: #fff;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .55);
      max-width: 320px;
    }

    .footer-col h4 {
      color: #fff;
      font-size: 14px;
      font-weight: 700;
      margin-bottom: 14px;
      letter-spacing: .02em;
    }

    .footer-col a {
      display: block;
      color: rgba(255, 255, 255, .64);
      font-size: 14px;
      line-height: 2;
    }

    .footer-col a:hover {
      color: var(--brand-2);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, .1);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 20px 0 24px;
      font-size: 13px;
      color: rgba(255, 255, 255, .4);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, .6);
    }

    .footer-bottom a:hover {
      color: var(--brand-2);
    }

    .footer-brand .nav-logo small {
      color: rgba(255, 255, 255, .5);
    }

    /* 响应式 */
    @media (max-width: 1080px) {
      :root {
        --section-gap: 68px;
      }

      .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }

      .metric-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .preview-grid {
        grid-template-columns: 1fr 1fr;
      }

      .phone-holder {
        grid-row: 1;
        grid-column: 1 / -1;
      }

      .route-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .checklist-wrap {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .tip-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 1000px) {
      .nav-burger {
        display: flex;
      }

      .nav-collapse {
        display: none;
        position: absolute;
        top: calc(100% + 0px);
        left: 0;
        right: 0;
        background: #fff;
        padding: 14px 0 20px;
        border-top: 1px solid var(--line);
        box-shadow: 0 20px 30px rgba(30, 42, 56, .12);
        flex-direction: column;
        align-items: flex-start;
      }

      .nav-toggle-input:checked~.nav-collapse {
        display: flex;
      }

      .nav-desktop {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        gap: 0;
        padding: 0 16px;
      }

      .nav-desktop a {
        display: block;
        padding: 11px 12px;
        text-align: left;
      }

      .nav-cta {
        width: calc(100% - 32px);
        margin: 12px 16px 4px;
      }
    }

    @media (max-width: 820px) {
      .top-meta-tip,
      .top-meta-split {
        display: none;
      }

      .top-meta-left {
        font-size: 12px;
      }

      .mobile-hero {
        padding: 52px 0 110px;
      }

      .hero-grid {
        grid-template-columns: 1fr;
      }

      .hero-aside {
        max-width: 520px;
        margin: 0 auto;
      }

      .faq-layout {
        grid-template-columns: 1fr;
      }

      .faq-a-column {
        min-height: auto;
      }

      .cta-card {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px;
      }

      .quick-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 560px) {
      body {
        font-size: 15px;
      }

      .wrap {
        width: 92%;
      }

      .section {
        padding: 48px 0;
      }

      .mobile-hero {
        padding: 42px 0 96px;
      }

      .hero-copy h1 {
        font-size: clamp(28px, 8vw, 38px);
      }

      .metric-grid {
        grid-template-columns: 1fr;
      }

      .metric-strip {
        margin-top: -28px;
      }

      .hero-action {
        flex-direction: column;
      }

      .hero-action .btn {
        width: 100%;
      }

      .route-grid {
        grid-template-columns: 1fr;
      }

      .preview-section {
        padding-top: 0;
      }

      .preview-grid {
        grid-template-columns: 1fr;
      }

      .phone-holder {
        order: 1;
        grid-row: auto;
        grid-column: auto;
      }

      .preview-col {
        height: auto;
      }

      .preview-col.left {
        order: 2;
      }

      .preview-col.right {
        order: 3;
      }

      .preview-mini-card {
        text-align: left !important;
      }

      .preview-mini-card .mini-icon {
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .check-list {
        grid-template-columns: 1fr;
      }

      .tip-grid {
        grid-template-columns: 1fr;
      }

      .faq-a-column {
        padding: 20px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        padding-bottom: 30px;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }

      .footer-bottom span:last-child {
        white-space: normal;
      }
    }

/* roulang page: category4 */
:root {
  --coral: #E85A3C;
  --orange: #FF9B54;
  --brand-grad: linear-gradient(135deg, #E85A3C 0%, #FF9B54 100%);
  --ink: #1E2A38;
  --muted: #5F6C7A;
  --soft: #F6F2EB;
  --card: #FFFFFF;
  --line: rgba(30, 42, 56, 0.08);
  --line-strong: rgba(30, 42, 56, 0.14);
  --teal: #2A9D8F;
  --shadow: 0 10px 30px rgba(63, 46, 31, 0.08);
  --shadow-hover: 0 18px 38px rgba(63, 46, 31, 0.16);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-pill: 999px;
  --space-xl: 96px;
  --space-lg: 64px;
  --space-md: 40px;
  --max-w: 1200px;
  --font-body: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--soft);
  -webkit-font-smoothing: antialiased;
}
body.no-scroll, html.no-scroll { overflow: hidden; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol, p, dd, dl { margin: 0; padding: 0; }
button { font-family: inherit; cursor: pointer; border: 0; background: none; }
input { font-family: inherit; }
.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding-left: clamp(18px, 4vw, 40px);
  padding-right: clamp(18px, 4vw, 40px);
}
.top-strip {
  background: var(--ink);
  color: rgba(255,255,255,.78);
  font-size: 13px;
  height: 36px;
  display: flex;
  align-items: center;
}
.top-inner {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.top-site a, .top-actions a { color: rgba(255,255,255,.78); transition: color .2s; }
.top-site a:hover, .top-actions a:hover { color:#fff; text-decoration: underline; text-underline-offset:3px; }
.top-sep { margin: 0 5px; opacity:.7; }
.site-header {
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 6px 20px rgba(30,42,56,.05);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  position: relative;
}
.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  cursor: pointer;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--brand-grad);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  padding: 9px;
  box-shadow: 0 8px 18px rgba(232,90,60,.25);
}
.logo-mark i { display: block; border-radius: 50%; background: rgba(255,255,255,.94); }
.logo-mark i:nth-child(2) { background: rgba(255,255,255,.7); }
.logo-mark i:nth-child(3) { background: rgba(255,255,255,.7); }
.nav-logo-text {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.2;
  white-space: nowrap;
}
.nav-logo-text small {
  display: block;
  font-size: 11px;
  font-weight: 500;
  color: var(--coral);
  letter-spacing: .08em;
  margin-top: 2px;
}
.nav-toggle-input {
  position: absolute;
  left: -9999px;
  opacity: 0;
  pointer-events: none;
}
.nav-collapse {
  display: flex;
  align-items: center;
  gap: 18px;
  flex: 1;
  justify-content: flex-end;
}
.nav-desktop {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.4vw, 32px);
  margin: 0;
  padding: 0;
}
.nav-desktop a {
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.nav-desktop a:hover, .nav-desktop a:focus-visible { color: var(--coral); border-bottom-color: var(--coral); }
.nav-desktop a.active { color: var(--coral); border-bottom-color: var(--coral); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-pill);
  padding: 10px 22px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
  white-space: nowrap;
  text-align: center;
}
.btn:focus-visible {
  outline: 3px solid rgba(232,90,60,.3);
  outline-offset: 3px;
}
.btn-primary {
  background: var(--brand-grad);
  color: #fff;
  box-shadow: 0 10px 22px rgba(232,90,60,.24);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 15px 30px rgba(232,90,60,.32); }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }
.btn-primary:active { transform: translateY(1px); }
.btn-arrow { display: inline-block; transition: transform .2s ease; }
.btn-outline {
  background: rgba(255,255,255,.9);
  color: var(--ink);
  border-color: var(--line-strong);
  box-shadow: 0 6px 16px rgba(63,46,31,.06);
}
.btn-outline:hover { border-color: var(--coral); color: var(--coral); transform: translateY(-2px); box-shadow: 0 14px 28px rgba(63,46,31,.1); }
.btn-outline:active { transform: translateY(1px); }
.btn-light {
  background: rgba(255,255,255,.14);
  color: #fff;
  border: 1px solid rgba(255,255,255,.38);
  backdrop-filter: blur(8px);
}
.btn-light:hover { background: rgba(255,255,255,.26); transform: translateY(-2px); color:#fff; }
.btn-light:active { transform: translateY(1px); }
.btn-white {
  background: #fff;
  color: var(--coral);
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(0,0,0,.18);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(0,0,0,.22); color: var(--coral); }
.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  background: #fff;
  cursor: pointer;
}
.nav-burger span {
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 99px;
  transition: transform .25s ease, opacity .2s ease;
}

/* hero */
.page-hero { position: relative; overflow: hidden; background: var(--ink); }
.hero-media {
  position: absolute; inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-position: center;
  background-size: cover;
}
.hero-mask {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(30,42,56,.94) 0%, rgba(232,90,60,.82) 100%);
}
.hero-wrap {
  position: relative;
  z-index: 2;
  padding-top: clamp(64px, 9vw, 112px);
  padding-bottom: clamp(48px, 7vw, 78px);
  max-width: 1080px;
  color: #fff;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 28px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .06em;
}
.hero-eyebrow::before { content:''; width:7px;height:7px;border-radius:50%;background:var(--orange); }
.page-hero h1 {
  margin: 0 0 18px;
  font-size: clamp(30px, 4.4vw, 52px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.3;
  text-shadow: 0 6px 16px rgba(0,0,0,.15);
  color: #fff;
}
.hero-lead { font-size: clamp(16px, 2vw, 19px); max-width: 720px; line-height: 1.75; color: rgba(255,255,255,.86); }
.hero-lead strong { color:#fff; font-weight:700; }
.hero-actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { margin-top: 28px; display: flex; gap: 18px; flex-wrap: wrap; color: rgba(255,255,255,.72); font-size:14px; }
.hero-trust span { display: inline-flex; align-items: center; gap:6px; }
.hero-trust span::before { content:''; width:6px; height:6px; border-radius:50%; background: #FFD17C; }

/* stats */
.stat-strip { margin-top: -36px; position: relative; z-index: 5; }
.stat-grid { display:grid; grid-template-columns: repeat(4, 1fr); gap:16px; }
.stat-card {
  background: var(--card);
  border-radius: var(--radius-md);
  padding: 22px 24px 20px;
  border-left: 4px solid var(--coral);
  box-shadow: var(--shadow);
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 84px;
}
.stat-card:nth-child(2) { border-left-color: var(--orange); }
.stat-card:nth-child(3) { border-left-color: var(--teal); }
.stat-card:nth-child(4) { border-left-color: var(--ink); }
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.stat-dot {
  width: 42px; height: 42px;
  border-radius: 14px;
  background: rgba(232,90,60,.1);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--coral);
  flex-shrink: 0;
}
.stat-card:nth-child(2) .stat-dot { color: var(--orange); background: rgba(255,155,84,.12); }
.stat-card:nth-child(3) .stat-dot { color: var(--teal); background: rgba(42,157,143,.12); }
.stat-card:nth-child(4) .stat-dot { color: var(--ink); background: rgba(30,42,56,.08); }
.stat-info b { display: block; font-size: 24px; font-weight: 800; line-height: 1.2; letter-spacing:-.01em; font-variant-numeric: tabular-nums; }
.stat-info span { color: var(--muted); font-size: 13px; letter-spacing: .04em; }

/* section base */
.section { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.section.section-compact { padding-top: var(--space-md); padding-bottom: var(--space-md); }
.section-head { max-width: 820px; margin-bottom: 32px; }
.eyebrow {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  font-weight: 700;
  font-size: 13px;
  color: var(--coral);
  letter-spacing: .12em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.eyebrow::before { content:''; width: 18px; height: 3px; border-radius: 99px; background: var(--brand-grad); }
.section h2 { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.35; margin: 0 0 12px; color: var(--ink); font-weight: 800; letter-spacing:-.01em; }
.section-desc { font-size: 16px; color: var(--muted); max-width: 720px; line-height: 1.75; }

/* FAQ search */
.faq-section { background: #fff; border-block: 1px solid var(--line); }
.faq-toolbar { margin: 32px 0 28px; }
.faq-search {
  width: 100%;
  max-width: 640px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  height: 52px;
  padding: 0 22px 0 46px;
  font-size: 15px;
  background: var(--soft) url('/assets/images/coverpic/cover-12.webp') no-repeat 18px center / 18px 18px;
  transition: border-color .2s, background .3s, box-shadow .2s;
  color: var(--ink);
}
.faq-search::placeholder { color: #8A95A0; }
.faq-search:focus {
  border-color: var(--coral);
  box-shadow: 0 0 0 4px rgba(232,90,60,.12);
  outline: none;
  background-color: #fff;
}
.faq-filters { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.faq-filter-btn {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 999px;
  padding: 8px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  transition: all .2s ease;
  display: inline-flex; align-items: center; gap:6px;
}
.faq-filter-btn:hover, .faq-filter-btn:focus-visible { border-color: var(--coral); color: var(--coral); }
.faq-filter-btn.active { background: var(--brand-grad); color: #fff; border-color: transparent; box-shadow: 0 8px 16px rgba(232,90,60,.24); }
.faq-index-list { display: grid; gap: 12px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform .2s, box-shadow .25s, border-color .2s;
  box-shadow: 0 4px 12px rgba(63,46,31,.04);
}
.faq-item:hover, .faq-item:focus-visible {
  border-color: var(--coral);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.faq-item.disabled { display:none; }
.faq-no { width: 48px; min-width: 48px; height: 48px; border-radius: 16px; background: var(--soft); color: var(--coral); display: flex; align-items:center; justify-content:center; font-weight: 800; font-size: 18px; font-variant-numeric: tabular-nums; transition:.25s; }
.faq-item:hover .faq-no { background: var(--brand-grad); color:#fff; }
.faq-item-main { flex: 1; min-width: 0; }
.faq-item-main strong { display: block; font-size: 16px; font-weight: 700; color: var(--ink); line-height: 1.6; }
.faq-item-main small { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: block; max-width: 680px; }
.faq-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(42,157,143,.1);
  color: #1F8A7C;
}
.faq-tag.orange { background: rgba(255,155,84,.14); color: #D26C1B; }
.faq-tag.coral { background: rgba(232,90,60,.12); color: var(--coral); }
.faq-tag.blue { background: rgba(30,42,56,.08); color: var(--ink); }
.faq-arrow { font-size: 18px; color: var(--muted); transition: .2s; flex-shrink: 0; }
.faq-item:hover .faq-arrow { transform: translateX(4px); color: var(--coral); }
.no-result {
  background: #F1ECE4;
  border-radius: var(--radius-md);
  padding: 36px 24px;
  text-align: center;
  color: var(--muted);
}
.no-result strong { display:block; color: var(--ink); margin-bottom:4px; }

/* scenario cards */
.scenario-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.scenario-card {
  border-radius: var(--radius-md);
  background: var(--card);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  padding: 26px 24px;
  position: relative;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.scenario-card::before { content:''; width: 40px; height: 4px; border-radius: 99px; background: var(--brand-grad); display: block; margin-bottom: 20px; }
.scenario-card:nth-child(2)::before { background: linear-gradient(90deg,var(--teal),#6DC5B7); }
.scenario-card:nth-child(3)::before { background: linear-gradient(90deg,var(--ink),#48637A); }
.scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(232,90,60,.35); }
.scenario-card h3 { margin:0 0 10px; font-size: 20px; color: var(--ink); font-weight:800; }
.scenario-card p { color: var(--muted); font-size: 15px; line-height:1.75; }
.scenario-list { margin-top: 14px; list-style: none; display:grid; gap: 9px; }
.scenario-list li { position: relative; padding-left: 24px; font-size: 14px; color: var(--ink); }
.scenario-list li::before { content:'✓'; position: absolute; left:0; top: -1px; color: var(--coral); font-weight:800; }
.scenario-card:nth-child(2) .scenario-list li::before { color: var(--teal); }

/* flow */
.flow-section { background: var(--ink); color: #fff; }
.flow-section .eyebrow { color: var(--orange); }
.flow-section .section h2, .flow-section .section-desc { color: #fff; }
.flow-section .section-desc { color: rgba(255,255,255,.7); }
.flow-section .section-head { max-width: 820px; }
.flow-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 14px; }
.flow-step {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--radius-md);
  padding: 24px;
  position: relative;
  transition: background .25s , transform .25s;
}
.flow-step:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); }
.flow-step-num {
  position: absolute; top: 16px; right: 18px;
  font-size: 38px; font-weight: 800; color: rgba(255,255,255,.09);
  line-height: 1; font-variant-numeric: tabular-nums; letter-spacing: -0.03em;
}
.flow-step h3 { margin: 14px 0 10px; font-size: 18px; position: relative; z-index: 2; }
.flow-step p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.7); }
.flow-step .step-tag {
  display: inline-block; background: rgba(255,255,255,.14);
  border-radius:99px; font-size:12px; padding: 3px 10px;
}
.flow-step:nth-child(2) .step-tag { color: #FFD6A6; }
.flow-arrow { display: none; }

/* answer area */
.answer-section { background: var(--soft); }
.answer-container { columns: 1; column-gap: 20px; max-width: 900px; }
.answer-item {
  break-inside: avoid;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 4px 0 0;
  overflow: hidden;
  box-shadow: var(--shadow);
  margin: 0 0 14px;
  scroll-margin-top: 120px;
}
.answer-item summary {
  list-style: none;
  display: flex;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  align-items: flex-start;
  transition: background .2s;
}
.answer-item summary::-webkit-details-marker { display:none; }
.answer-item summary:hover { background: #FBF7F2; }
.answer-num {
  flex-shrink:0; width: 36px; height: 36px; border-radius:12px;
  background: rgba(232,90,60,.1); color: var(--coral);
  display:flex; align-items:center; justify-content:center;
  font-weight:800; font-size: 15px; margin-top: 2px;
}
.answer-item:nth-child(even) .answer-num { background: rgba(42,157,143,.12); color:#1F8A7C; }
.answer-summary-title { flex:1; font-weight:700; font-size:17px; color: var(--ink); line-height:1.6; }
.answer-arrow { color: var(--muted); font-size: 16px; transition: .2s; flex-shrink: 0; margin-top: 4px; }
.answer-item[open] .answer-arrow { transform: rotate(90deg); color: var(--coral); }
.answer-body { border-top: 1px dashed var(--line); padding: 18px 20px 22px; color: var(--muted); font-size: 15px; line-height: 1.85; }
.answer-body ul { list-style:none; display:grid; gap:8px; margin: 14px 0 4px; padding:0; }
.answer-body ul li { position: relative; padding-left: 20px; color: var(--ink); }
.answer-body ul li::before { content:'→'; position:absolute; left:0; color: var(--coral); font-weight:700; }
.answer-note {
  background: #FBF7F2;
  border-left: 3px solid var(--orange);
  padding: 10px 14px; border-radius: 12px; margin-top: 14px; font-size:14px;
}

/* category sub */
.cat-grid { display:grid; grid-template-columns: repeat(4,1fr); gap: 18px; }
.cat-card {
  background: var(--card);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  transition: transform .3s, box-shadow .3s, border-color .3s;
  display:flex; flex-direction:column;
}
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(232,90,60,.3); }
.cat-cover { position:relative; height:152px; overflow:hidden; background:#ECE6DF; }
.cat-cover img { width:100%; height:100%; object-fit:cover; transition: transform .5s ease; }
.cat-card:hover .cat-cover img { transform: scale(1.04); }
.cat-cover .cat-cover-tag {
  position:absolute; left:14px; bottom: 12px;
  background: rgba(30,42,56,.84); color:#fff;
  padding: 5px 12px; border-radius: 999px; font-size:12px;
  letter-spacing:.05em;
}
.cat-body { padding: 20px 20px 24px; display:flex; flex-direction: column; flex: 1; }
.cat-body h3 { margin:0 0 6px; font-size:20px; font-weight: 800; color: var(--ink); }
.cat-body p { font-size: 14px; line-height:1.7; color: var(--muted); flex:1; }
.cat-link { margin-top: 18px; font-weight:700; color: var(--coral); display:inline-flex; gap:8px; align-items:center; }
.cat-link span { transition: transform .2s; }
.cat-card:hover .cat-link span { transform: translateX(4px); }

/* CTA */
.cta-section { padding-top: var(--space-lg); padding-bottom: var(--space-lg); }
.cta-panel {
  background: linear-gradient(135deg, rgba(30,42,56,.96), rgba(232,90,60,.82)), url('/assets/images/backpic/back-3.webp');
  background-position: center;
  background-size: cover;
  border-radius: 32px;
  padding: clamp(32px, 6vw, 72px);
  color:#fff;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 30px;
  flex-wrap: wrap;
}
.cta-panel::after {
  content:''; width:190px;height:190px;background:rgba(255,255,255,.06);border-radius:50%;
  position:absolute; right:-30px; bottom:-70px;
}
.cta-left { position: relative; z-index:2; max-width: 560px; }
.cta-left .eyebrow { color: #FFD17C; }
.cta-left h2 { color:#fff; margin: 0 0 12px; font-size: clamp(24px,3.4vw,38px); font-weight:800; line-height:1.4; }
.cta-left p { color: rgba(255,255,255,.8); margin-top:8px; }
.cta-right { display:flex; gap:14px; flex-wrap:wrap; position: relative; z-index:2; }

/* footer */
.site-footer { background: var(--ink); color: rgba(255,255,255,.7); padding-top: 64px; }
.site-footer a { color: rgba(255,255,255,.72); transition: color .2s; }
.site-footer a:hover { color: #fff; }
.footer-grid { display:grid; grid-template-columns: 2.3fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 42px; }
.footer-brand .nav-logo { color:#fff; margin-bottom: 8px; }
.footer-brand p { font-size:14px; line-height:1.75; max-width:300px; margin-top:12px; }
.footer-col h4 {
  color:#fff; font-size:14px; font-weight: 700; margin:0 0 18px;
  letter-spacing:.05em;
}
.footer-col a { display:block; font-size:14px; margin-bottom: 10px; }
.footer-col a:hover { text-decoration: underline; text-underline-offset:4px; }
.footer-bottom {
  border-top:1px solid rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:space-between;
  padding: 20px 0 24px; font-size:13px; gap: 14px; flex-wrap:wrap;
}
.footer-bottom a { margin:0 2px; }
.toast {
  position: fixed; left: 50%; bottom: 70px; transform: translateX(-50%);
  background: var(--ink); color:#fff; padding: 12px 20px; border-radius:999px;
  font-size:14px; box-shadow: 0 18px 50px rgba(0,0,0,.2);
  z-index: 2000; opacity: 1; transition: opacity .3s;
  pointer-events: none;
}
.toast.is-hidden { opacity: 0; transform: translateX(-50%) translateY(12px); }
.process-link-helper { margin-top:28px; text-align:center; }
.process-link-helper a { color: rgba(255,255,255,.8); text-decoration:underline; text-underline-offset:4px; }

/* scroll top */
.page-top-btn {
  position: fixed; right:22px; bottom:22px; width:44px; height:44px;
  border-radius:50%; background: var(--ink); color:#fff; box-shadow: var(--shadow);
  display:flex; align-items:center; justify-content:center; z-index: 99;
  transition: transform .2s, opacity .2s;
  opacity:1;
}
.page-top-btn:hover { transform: translateY(-3px); background: var(--coral); }

/* responsive */
@media (max-width: 1024px) {
  .nav-desktop { gap: 14px; }
  .nav-collapse { gap:18px; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(2,1fr); }
  .scenario-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 880px) {
  .nav-burger { display: inline-flex; }
  .nav-toggle-input { position: absolute; }
  .nav-logo-text { font-size: 19px; }
  .nav-collapse {
    display: block;
    width: 100%;
    min-width: 0;
    position: fixed;
    left: 0;
    top: 108px;
    bottom: 0;
    background: #fff;
    padding: 18px 22px 40px;
    overflow-y: auto;
    box-shadow: 0 18px 30px rgba(30,42,56,.12);
    transform: translateX(100%);
    transition: transform .28s ease;
    z-index: 989;
  }
  .nav-toggle-input:checked ~ .nav-collapse { transform: translateX(0); }
  .nav-toggle-input:checked + .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--coral); }
  .nav-toggle-input:checked + .nav-burger span:nth-child(2) { opacity: 0; }
  .nav-toggle-input:checked + .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--coral); }
  .nav-desktop {
    flex-direction: column;
    gap: 4px;
    align-items: stretch;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 16px;
  }
  .nav-desktop a {
    display: block;
    padding: 12px 4px;
    border-bottom: 1px solid var(--line) !important;
    font-size: 15px;
  }
  .nav-desktop a.active { color: var(--coral); }
  .nav-cta { width:100%; justify-content:center; margin-bottom: 0; }
  .flow-grid { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-panel { border-radius: 24px; }
  .faq-tag { display: none; }
}
@media (max-width: 560px) {
  .top-inner { font-size: 12px; }
  .top-tip-mobile { display:none; }
  .section { padding-top: 28px; padding-bottom: 28px; }
  .stat-grid { grid-template-columns:1fr; }
  .scenario-grid { grid-template-columns:1fr; }
  .cat-grid { grid-template-columns:1fr; }
  .flow-grid { grid-template-columns:1fr; }
  .footer-grid { grid-template-columns:1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items:flex-start; }
  .faq-item { padding: 16px 14px; }
  .faq-item-main strong { font-size: 15px; }
  .hero-actions .btn { width:100%; }
  .cta-section { padding-top: 24px; }
  .nav-collapse { top: 112px; padding: 16px 16px 32px; }
  .cta-panel { padding: 28px 20px; }
  .cta-right .btn { flex:1 1 100%; }
  .section-head { margin-bottom: 22px; }
}
@media (max-width: 380px) {
  .nav-logo-text { font-size: 17px; }
  .nav-logo-text small { font-size:10px; }
  .logo-mark { width: 36px; height: 36px; border-radius: 11px; padding:7px; }
  .stat-card { padding: 15px 16px; }
  .answer-item summary { padding: 14px; gap: 10px; }
  .answer-num { width: 32px;height:32px; min-width:32px; }
}