/* roulang page: index */
:root{
  --primary:#1F5AE0;
  --primary-dark:#1747B8;
  --primary-tint:#EAF1FF;
  --primary-line:#D6E0F2;
  --accent:#FF7A29;
  --tertiary:#17B8A6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --border:#E5EAF3;
  --divider:#EEF2F8;
  --text:#1B2436;
  --text-2:#5A6B87;
  --text-3:#8A99B3;
  --white:#FFFFFF;
  --success:#16A34A;
  --warning:#F59E0B;
  --danger:#E5484D;
  --r-card:16px;
  --r-img:16px;
  --r-btn:10px;
  --r-tag:6px;
  --shadow-1:0 1px 2px rgba(27,36,54,.04), 0 4px 12px rgba(27,36,54,.06);
  --shadow-2:0 8px 24px rgba(27,36,54,.10);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:28px;
  text-align:left;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;}
::selection{background:var(--primary-tint);color:var(--primary-dark);}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;}
.row.grid-row{max-width:var(--container);padding-left:20px;padding-right:20px;}
.row.grid-row .column{padding-left:12px;padding-right:12px;}

.section{padding:var(--sec-y) 0;}
.section-white{background:var(--white);}
.section-soft{background:var(--bg);}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.section-head h2{font-size:28px;line-height:40px;font-weight:700;letter-spacing:0;color:var(--text);}
.section-head p{font-size:15px;line-height:26px;color:var(--text-2);margin-top:8px;max-width:640px;}
.section-head .link-arrow{font-size:15px;font-weight:500;white-space:nowrap;}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:500;color:var(--primary);}
.link-arrow i{transition:transform var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(2px);}
.link-arrow:hover{color:var(--primary-dark);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--primary);color:var(--white);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--primary-dark);color:var(--white);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:var(--white);color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-tint);color:var(--primary-dark);border-color:var(--primary-dark);}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,90,224,.30);}
.btn[disabled]{opacity:.45;box-shadow:none;pointer-events:none;}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;line-height:20px;font-weight:600;padding:2px 10px;border-radius:var(--r-tag);background:var(--primary-tint);color:var(--primary);}
.badge-accent{background:var(--accent);color:var(--white);}
.badge-soft{background:var(--divider);color:var(--text-2);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--divider);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;height:64px;gap:24px;}
.nav-left{display:flex;align-items:center;gap:32px;flex:1 1 auto;min-width:0;}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;position:relative;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--primary);color:var(--white);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  box-shadow:0 4px 10px rgba(31,90,224,.24);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap;}
.brand:hover .brand-text{color:var(--primary);}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-menu a{
  position:relative;display:inline-block;font-size:15px;font-weight:500;color:var(--text);padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform 160ms ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-dot{
  width:6px;height:6px;border-radius:50%;background:var(--primary);opacity:.18;
  align-self:center;position:absolute;right:170px;top:50%;transform:translateY(-50%);
}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--white);
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-tint);}
.nav-burger{display:none;}
.search-panel{
  display:none;border-bottom:1px solid var(--divider);background:var(--white);
}
.search-panel.is-open{display:block;}
.search-panel form{display:flex;gap:10px;padding:14px 0;}
.search-panel input{
  flex:1 1 auto;height:44px;border-radius:var(--r-btn);border:1px solid var(--border);
  padding:0 14px;font-size:15px;color:var(--text);background:var(--white);
}
.search-panel input::placeholder{color:var(--text-3);}
.search-panel input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12);outline:none;}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;background:var(--white);z-index:80;display:none;flex-direction:column;
  padding:20px 20px 0;
}
.mobile-drawer.is-open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-nav{display:flex;flex-direction:column;gap:20px;flex:1 1 auto;}
.drawer-nav a{font-size:18px;font-weight:500;color:var(--text);}
.drawer-nav a.is-active{color:var(--primary);}
.drawer-foot{padding:20px 0 28px;}
body.no-scroll{overflow:hidden;}

/* ===== 倒计时条 ===== */
.countdown-bar{background:var(--primary-tint);border-bottom:1px solid var(--primary-line);}
.cd-inner{display:flex;align-items:center;gap:20px;height:52px;min-height:52px;}
.cd-timer{display:flex;align-items:center;gap:8px;margin-left:auto;}
.cd-unit{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:var(--white);border:1px solid var(--primary-line);border-radius:8px;
  min-width:52px;padding:3px 8px;
}
.cd-num{font-size:20px;line-height:24px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.cd-label{font-size:12px;line-height:16px;color:var(--text-3);}
.cd-colon{color:var(--primary-line);font-weight:700;}
.cd-link{margin-left:auto;font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;}
.cd-link i{font-size:11px;transition:transform var(--ease);}
.cd-link:hover{color:var(--primary);}
.cd-link:hover i{transform:translateX(2px);}

/* ===== Hero ===== */
.hero{
  position:relative;background:var(--white);padding:112px 0 88px;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,90,224,.06) 0%,rgba(31,90,224,0) 70%);
  pointer-events:none;
}
.hero-copy{position:relative;z-index:2;}
.hero-tag{margin-bottom:18px;}
.hero h1{font-size:40px;line-height:50px;font-weight:700;color:var(--text);letter-spacing:0;}
.hero-sub{font-size:17px;line-height:30px;color:var(--text-2);margin-top:18px;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:32px;color:var(--text-2);font-size:14px;}
.hero-points li{display:inline-flex;align-items:center;gap:7px;}
.hero-points li i{color:var(--primary);font-size:14px;}
.hero-points li+li::before{content:"";width:4px;height:4px;border-radius:50%;background:var(--primary-line);margin-right:8px;}
.hero-visual{position:relative;z-index:2;}
.hero-media{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1);}
.hero-media>img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-mini{
  position:absolute;right:18px;bottom:18px;background:var(--white);border-radius:14px;
  box-shadow:var(--shadow-2);padding:12px 14px;display:flex;align-items:center;gap:12px;
  border:1px solid var(--border);max-width:270px;
}
.hero-mini img{width:52px;height:52px;border-radius:10px;object-fit:cover;flex:0 0 auto;}
.hero-mini strong{display:block;font-size:15px;line-height:22px;font-weight:600;color:var(--text);}
.hero-mini span{display:block;font-size:13px;line-height:20px;color:var(--text-3);}

/* ===== 卖点 ===== */
.point-row{position:relative;}
.point-item{
  display:flex;gap:16px;padding:24px 0;border-bottom:1px dashed var(--border);
}
.point-item:last-child{border-bottom:none;}
.point-icon{
  width:32px;height:32px;flex:0 0 auto;border-radius:9px;background:var(--primary-tint);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:15px;
}
.point-item h3{font-size:20px;line-height:30px;font-weight:600;color:var(--text);}
.point-item p{font-size:14px;line-height:22px;color:var(--text-2);margin-top:8px;}

/* ===== 图墙 ===== */
.gallery{display:grid;gap:24px;}
.gallery-item{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-1);}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.gallery-item:hover img{transform:scale(1.03);}
.gallery-item .g-cap{
  position:absolute;left:0;right:0;bottom:0;padding:26px 20px 18px;
  background:linear-gradient(to top,rgba(27,36,54,.68),rgba(27,36,54,0));
  color:var(--white);opacity:0;transform:translateY(8px);transition:all var(--ease);
}
.gallery-item:hover .g-cap{opacity:1;transform:translateY(0);}
.g-cap h3{font-size:18px;line-height:26px;font-weight:600;}
.g-big img{aspect-ratio:16/10;}
.g-small img{aspect-ratio:4/3;}

/* ===== 最新信息 ===== */
.post-card{
  display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);transition:all var(--ease);
}
.post-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary-line);}
.post-thumb{aspect-ratio:16/9;background-size:cover;background-position:center;background-color:var(--primary-tint);overflow:hidden;}
.post-card:nth-child(3n+1) .post-thumb{background-image:url(/assets/images/coverpic/cover-2.png);}
.post-card:nth-child(3n+2) .post-thumb{background-image:url(/assets/images/coverpic/cover-4.png);}
.post-card:nth-child(3n+3) .post-thumb{background-image:url(/assets/images/coverpic/cover-6.webp);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{font-size:17px;line-height:26px;font-weight:600;margin-top:12px;color:var(--text);}
.post-card:hover h3{color:var(--primary);}
.post-body p{font-size:14px;line-height:22px;color:var(--text-2);margin-top:10px;flex:1 1 auto;}
.post-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px;padding-top:14px;border-top:1px solid var(--divider);}
.post-foot time{font-size:13px;color:var(--text-3);}
.post-more{
  width:32px;height:32px;border-radius:50%;background:var(--primary-tint);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:all var(--ease);
}
.post-card:hover .post-more{background:var(--primary);color:var(--white);transform:translateX(2px);}
.empty-state{
  text-align:center;padding:56px 20px;border:1px dashed var(--primary-line);border-radius:var(--r-card);
  background:var(--primary-tint);
}
.empty-state i{font-size:26px;color:var(--primary);}
.empty-state p{font-size:15px;line-height:26px;color:var(--text-2);margin:14px 0 18px;}

/* ===== 节奏时间线 ===== */
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:var(--divider);}
.tl-item{position:relative;padding:0 0 26px 12px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--white);border:3px solid var(--primary-line);
}
.tl-item.is-now::before{border-color:var(--primary);background:var(--primary);}
.tl-item h3{font-size:17px;line-height:26px;font-weight:600;display:flex;align-items:center;gap:10px;}
.tl-item p{font-size:14px;line-height:22px;color:var(--text-2);margin-top:6px;}

/* ===== CTA 表单 ===== */
.cta-card{
  background:var(--primary-tint);border:1px solid var(--primary-line);border-radius:20px;
  padding:48px;
}
.cta-card h2{font-size:28px;line-height:40px;font-weight:700;}
.cta-card .cta-desc{font-size:15px;line-height:26px;color:var(--text-2);margin-top:12px;max-width:520px;}
.cta-list{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.cta-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;line-height:26px;color:var(--text-2);}
.cta-list li i{color:var(--tertiary);font-size:15px;margin-top:5px;}
.form-card{background:var(--white);border:1px solid var(--border);border-radius:var(--r-card);padding:28px;box-shadow:var(--shadow-1);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;line-height:22px;color:var(--text-2);margin-bottom:8px;}
.field input{
  width:100%;height:46px;border-radius:var(--r-btn);border:1px solid var(--border);
  padding:0 14px;font-size:15px;color:var(--text);background:var(--white);transition:all var(--ease);
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12);outline:none;}
.form-note{font-size:13px;line-height:20px;color:var(--text-3);margin-top:12px;}
.form-tip{font-size:13px;line-height:20px;color:var(--danger);margin-top:8px;display:none;}
.form-tip.is-show{display:block;}

/* ===== FAQ ===== */
.faq-item{
  background:var(--white);border:1px solid var(--border);border-radius:12px;margin-bottom:12px;
  position:relative;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--shadow-1);}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;background:none;border:none;text-align:left;display:flex;align-items:center;
  justify-content:space-between;gap:16px;padding:20px 22px;font-size:16px;line-height:24px;
  font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--primary);}
.faq-q .faq-icon{
  flex:0 0 auto;width:24px;height:24px;display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-size:14px;transition:transform var(--ease);
}
.faq-item.is-open .faq-q .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms cubic-bezier(.2,.7,.3,1);}
.faq-a p{font-size:15px;line-height:26px;color:var(--text-2);padding:0 22px 22px;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg);border-top:1px solid var(--divider);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:24px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:15px;line-height:24px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14px;line-height:22px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{font-size:14px;line-height:22px;color:var(--text-2);display:flex;align-items:center;gap:8px;}
.footer-contact i{color:var(--primary);font-size:13px;}
.qr-box{
  width:88px;height:88px;border-radius:10px;border:1px solid var(--border);background:var(--white);
  display:flex;align-items:center;justify-content:center;color:var(--text-3);font-size:12px;text-align:center;
  margin-top:16px;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--divider);padding:20px 0;text-align:center;
  font-size:13px;line-height:20px;color:var(--text-3);
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .nav-menu{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-dot{display:none;}
  .hero{padding:96px 0 72px;}
  .hero-visual{margin-top:36px;}
  .hero h1{font-size:34px;line-height:44px;}
  .cta-card{padding:36px 28px;}
}
@media (max-width:767px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:639px){
  :root{--sec-y:56px;}
  body{font-size:15.5px;line-height:27px;}
  .container{padding:0 20px;}
  .row.grid-row{padding-left:8px;padding-right:8px;}
  .row.grid-row .column{padding-left:12px;padding-right:12px;}
  .section-head h2{font-size:22px;line-height:32px;}
  .hero{padding:80px 0 56px;}
  .hero h1{font-size:28px;line-height:38px;}
  .hero-sub{font-size:16px;line-height:28px;}
  .hero-cta .btn{width:100%;}
  .hero-cta{flex-direction:column;}
  .hero-mini{right:12px;bottom:12px;padding:10px;max-width:220px;}
  .hero-mini img{width:44px;height:44px;}
  .btn{width:100%;height:48px;}
  .btn-inline{width:auto;}
  .cd-inner{height:46px;min-height:46px;gap:12px;}
  .cd-unit{min-width:44px;padding:2px 6px;}
  .cd-num{font-size:17px;line-height:21px;}
  .cd-link{display:none;}
  .cd-hide{display:none;}
  .cd-timer{margin-left:0;}
  .cta-card{padding:28px 20px;border-radius:var(--r-card);}
  .cta-card h2{font-size:22px;line-height:32px;}
  .form-card{padding:20px;}
  .point-item h3{font-size:18px;line-height:28px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{margin-top:40px;}
}

/* roulang page: article */
:root{
  --primary:#1F5AE0;
  --primary-hover:#1747B8;
  --primary-tint:#EAF1FF;
  --primary-line:#D6E0F2;
  --accent:#FF7A29;
  --tertiary:#17B8A6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --border:#E5EAF3;
  --divider:#EEF2F8;
  --text:#1B2436;
  --text-2:#5A6B87;
  --text-3:#8A99B3;
  --success:#16A34A;
  --warning:#F59E0B;
  --danger:#E5484D;
  --radius-card:16px;
  --radius-lg:20px;
  --radius-btn:10px;
  --radius-tag:6px;
  --shadow-1:0 1px 2px rgba(27,36,54,.04), 0 4px 12px rgba(27,36,54,.06);
  --shadow-2:0 8px 24px rgba(27,36,54,.10);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --nav-h:64px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  text-align:left;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--primary-hover);}
ul,ol{margin:0;padding:0;}
li{list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;}
:focus-visible{outline:2px solid rgba(31,90,224,.4);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:900;
  background:#fff;
  border-bottom:1px solid var(--divider);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;flex:1 1 auto;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#2E6BF0,#1F5AE0);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:0;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-menu a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  padding:6px 0;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 160ms cubic-bezier(.2,.7,.3,1);
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-dot{
  width:44px;height:22px;border-radius:6px;
  background:radial-gradient(circle at 6px 11px,var(--primary-line) 3px,transparent 3.5px) 0 0/12px 12px;
  opacity:.85;
}
.icon-btn{
  width:38px;height:38px;border-radius:10px;
  border:1px solid var(--border);
  background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
  transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary-line);background:var(--primary-tint);}
.icon-btn:active{transform:translateY(1px);}
.nav-burger{display:none;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:all var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary);}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-tint);color:var(--primary-hover);}
.btn-inline{height:40px;padding:0 18px;font-size:14px;}
.search-panel{
  display:none;
  background:#fff;
  border-top:1px solid var(--divider);
  padding:14px 0 18px;
}
.search-panel.is-open{display:block;}
.search-panel form{display:flex;gap:12px;}
.search-panel input[type=search]{
  flex:1 1 auto;
  height:46px;
  padding:0 16px;
  border:1px solid var(--border);
  border-radius:var(--radius-btn);
  font-size:15px;
  color:var(--text);
  background:#fff;
}
.search-panel input[type=search]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12);}
/* ============ 进度条 ============ */
.read-progress{
  position:fixed;
  top:var(--nav-h);
  left:0;
  width:100%;
  height:3px;
  background:transparent;
  z-index:880;
  pointer-events:none;
}
.read-progress span{
  display:block;
  height:100%;
  width:0;
  background:var(--primary);
  transition:width 90ms linear;
}
/* ============ 面包屑 ============ */
.breadcrumb-bar{
  background:#fff;
  border-bottom:1px solid var(--divider);
  padding:16px 0;
}
.breadcrumbs{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  line-height:22px;
  color:var(--text-3);
  flex-wrap:wrap;
}
.breadcrumbs a{color:var(--text-3);}
.breadcrumbs a:hover{color:var(--primary);}
.breadcrumbs .sep{color:#C3CDDE;}
.breadcrumbs .current{
  color:var(--text-2);
  max-width:340px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
/* ============ 文章主体 ============ */
.article-main{padding:48px 0 88px;}
.article-layout{max-width:860px;margin:0 auto;}
.article-head{margin-bottom:28px;}
.art-tag{
  display:inline-block;
  padding:2px 10px;
  border-radius:var(--radius-tag);
  background:var(--primary-tint);
  color:var(--primary);
  font-size:12px;
  line-height:20px;
  font-weight:600;
  margin-bottom:16px;
}
.article-head h1{
  font-size:32px;
  line-height:44px;
  font-weight:700;
  letter-spacing:0;
  margin-bottom:16px;
  word-break:break-word;
}
.article-meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:14px;
  line-height:22px;
  color:var(--text-3);
}
.article-meta .dot{color:#C3CDDE;}
.article-cover{
  margin:0 0 40px;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--border);
  background:var(--primary-tint);
}
.article-cover img{
  width:100%;
  aspect-ratio:21/9;
  object-fit:cover;
}
.article-body{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:44px 48px;
  font-size:17px;
  line-height:30px;
  color:var(--text);
}
.article-body p{margin:0 0 20px;}
.article-body h2{
  font-size:24px;
  line-height:34px;
  font-weight:700;
  margin:36px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--primary);
}
.article-body h3{font-size:20px;line-height:30px;font-weight:600;margin:28px 0 12px;}
.article-body h4{font-size:17px;line-height:28px;font-weight:600;margin:20px 0 10px;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body li{
  position:relative;
  padding-left:20px;
  line-height:30px;
  margin-bottom:8px;
  list-style:none;
  color:var(--text);
}
.article-body li::before{
  content:"";
  position:absolute;
  left:2px;top:13px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--primary);
}
.article-body ol{counter-reset:cmt;}
.article-body ol li{counter-increment:cmt;}
.article-body ol li::before{
  content:counter(cmt);
  width:18px;height:18px;
  top:6px;left:0;
  border-radius:50%;
  background:var(--primary-tint);
  color:var(--primary);
  font-size:12px;
  line-height:18px;
  text-align:center;
  font-weight:700;
}
.article-body a{color:var(--primary);border-bottom:1px solid var(--primary-line);}
.article-body a:hover{color:var(--primary-hover);border-bottom-color:var(--primary-hover);}
.article-body img{
  width:100%;
  border-radius:12px;
  margin:24px 0;
  background:var(--primary-tint);
}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  background:var(--primary-tint);
  border-left:3px solid var(--primary);
  border-radius:0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:24px 0;}
.article-body figure img{margin:0 0 8px;}
.article-body figcaption{
  font-size:13px;
  line-height:20px;
  color:var(--text-3);
  text-align:center;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
  line-height:24px;
}
.article-body th,.article-body td{
  border:1px solid var(--border);
  padding:12px 14px;
  text-align:left;
  vertical-align:top;
}
.article-body th{background:var(--primary-tint);color:var(--text);font-weight:600;}
.article-body pre{
  background:#F2F5FA;
  border:1px solid var(--border);
  border-radius:8px;
  padding:16px;
  overflow-x:auto;
  font-size:14px;
  line-height:24px;
  margin:24px 0;
}
.article-body code{
  background:#F2F5FA;
  border-radius:6px;
  padding:2px 6px;
  font-size:14px;
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:none;border-top:1px solid var(--divider);margin:32px 0;}
.empty-state{
  text-align:center;
  padding:56px 20px;
}
.empty-state i{font-size:34px;color:var(--primary-line);}
.empty-state p{margin:16px 0 22px;color:var(--text-2);font-size:16px;}
.tag-row{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid var(--divider);
}
.tag-row .label{font-size:14px;color:var(--text-3);}
.tag{
  display:inline-block;
  padding:2px 10px;
  border-radius:var(--radius-tag);
  background:var(--primary-tint);
  color:var(--primary);
  font-size:12px;
  line-height:20px;
}
.tag:hover{background:#DCE8FF;color:var(--primary-hover);}
.back-row{margin-top:32px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--primary);
}
.text-link i{transition:transform var(--ease);}
.text-link:hover i{transform:translateX(2px);}
/* ============ 相关推荐 ============ */
.related-section{padding:0 0 88px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:28px;
}
.section-head h2{font-size:28px;line-height:40px;font-weight:700;}
.section-head p{font-size:14px;line-height:22px;color:var(--text-3);margin-top:6px;}
.rel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.rel-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:all var(--ease);
}
.rel-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary-line);transform:translateY(-2px);}
.rel-thumb{overflow:hidden;background:var(--primary-tint);}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--ease);}
.rel-card:hover .rel-thumb img{transform:scale(1.03);}
.rel-body{padding:22px 24px 24px;}
.rel-body .tag{margin-bottom:12px;}
.rel-body h3{font-size:18px;line-height:28px;font-weight:600;margin-bottom:10px;}
.rel-body p{font-size:14px;line-height:22px;color:var(--text-2);margin-bottom:14px;}
.rel-body .text-link{font-size:14px;}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg);
  border-top:1px solid var(--divider);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:24px;
  color:var(--text-2);
  max-width:330px;
}
.footer-col h4{
  font-size:15px;
  line-height:24px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:14px;line-height:22px;color:var(--text-2);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-contact li{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  line-height:22px;
  color:var(--text-2);
  margin-bottom:12px;
}
.footer-contact li i{color:var(--primary);font-size:13px;}
.qr-box{
  width:92px;height:92px;
  margin-top:16px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  color:var(--text-3);
  font-size:12px;
  line-height:18px;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.footer-bottom{
  border-top:1px solid var(--divider);
  padding:20px 0 24px;
  font-size:13px;
  line-height:20px;
  color:var(--text-3);
  text-align:center;
}
/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .nav-burger{display:inline-flex;}
  .nav-menu{
    position:fixed;
    inset:var(--nav-h) 0 0 0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    gap:20px;
    padding:28px 24px 120px;
    transform:translateX(-100%);
    transition:transform var(--ease);
    overflow-y:auto;
    z-index:860;
  }
  body.nav-open .nav-menu{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-menu a{font-size:18px;line-height:28px;width:100%;}
  .nav-menu a::after{display:none;}
  .nav-dot{display:none;}
  .article-body{padding:32px 28px;}
  .article-main{padding:36px 0 72px;}
  .related-section{padding-bottom:72px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:639px){
  :root{--nav-h:56px;}
  .container{padding:0 20px;}
  .brand-text{font-size:16px;}
  .btn-inline{display:none;}
  .nav-right .btn-primary{display:none;}
  .article-head h1{font-size:28px;line-height:38px;}
  .article-body{font-size:15.5px;line-height:27px;padding:24px 20px;border-radius:14px;}
  .article-body h2{font-size:22px;line-height:32px;margin-top:30px;}
  .article-body h3{font-size:18px;line-height:28px;}
  .article-body li{line-height:27px;}
  .article-meta{font-size:13px;}
  .breadcrumbs .current{max-width:170px;}
  .rel-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .section-head h2{font-size:22px;line-height:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .btn{width:100%;height:48px;}
  .btn-inline{width:auto;}
  .search-panel form{flex-direction:column;}
  .search-panel .btn{width:100%;height:44px;}
  .read-progress{height:2px;}
}

/* roulang page: category1 */
/* ===================== 设计令牌 ===================== */
:root{
  --primary:#1F5AE0;
  --primary-dark:#1747B8;
  --primary-tint:#EAF1FF;
  --primary-line:#D6E0F2;
  --accent:#FF7A29;
  --tertiary:#17B8A6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --border:#E5EAF3;
  --divider:#EEF2F8;
  --text:#1B2436;
  --text-2:#5A6B87;
  --text-3:#8A99B3;
  --white:#FFFFFF;
  --success:#16A34A;
  --warn:#F59E0B;
  --error:#E5484D;
  --radius-card:16px;
  --radius-img:16px;
  --radius-hero:20px;
  --radius-btn:10px;
  --radius-tag:6px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(27,36,54,.04), 0 4px 12px rgba(27,36,54,.06);
  --shadow-2:0 8px 24px rgba(27,36,54,.10);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
}
/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;line-height:28px;color:var(--text);background:var(--bg);
  text-align:left;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-dark)}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(31,90,224,.4);outline-offset:2px;border-radius:6px}
.skip-link{position:absolute;left:-9999px;top:8px;background:#fff;padding:10px 16px;border-radius:8px;box-shadow:var(--shadow-1);z-index:200}
.skip-link:focus{left:16px}
/* ===================== 容器与栅格 ===================== */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media screen and (min-width:1024px){
  .container{padding:0 32px}
}
.row{max-width:1200px;margin-left:auto;margin-right:auto}
.row .column,.row .columns{padding-left:10px;padding-right:10px}
@media screen and (min-width:1024px){
  .row{padding-left:22px;padding-right:22px}
}
/* ===================== 导航 ===================== */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--divider);transition:box-shadow var(--ease)}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}
.brand-mark{width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700}
.brand-text{font-size:17px;font-weight:700;color:var(--text)}
.brand:hover .brand-text{color:var(--primary)}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{position:relative;display:inline-block;padding:8px 12px;font-size:15px;font-weight:500;color:var(--text);transition:color var(--ease)}
.nav-menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform 160ms ease}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--primary)}
.nav-menu a.is-active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-dot{width:38px;height:12px;border-radius:6px;background-image:radial-gradient(var(--primary-line) 1.6px,transparent 1.7px);background-size:8px 8px;opacity:.95}
.icon-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:#fff;color:var(--text-2);display:grid;place-items:center;transition:background-color var(--ease),color var(--ease),border-color var(--ease)}
.icon-btn:hover{background:var(--primary-tint);color:var(--primary);border-color:var(--primary-line)}
.nav-burger{display:none}
.search-panel{display:none;border-top:1px solid var(--divider);background:#fff;box-shadow:var(--shadow-1)}
.search-panel.is-open{display:block}
.search-panel form{display:flex;gap:12px;padding:16px 0}
.search-panel input[type="search"]{flex:1;height:44px;border:1px solid var(--border);border-radius:var(--radius-input);padding:0 14px;color:var(--text);background:#fff}
.search-panel input[type="search"]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12)}
.drawer-cta{display:none}
/* ===================== 按钮 ===================== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;text-decoration:none;white-space:nowrap;transition:transform var(--ease),background-color var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:none;box-shadow:none}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-tint);color:var(--primary-dark)}
.btn-inline{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary)}
.text-link i{transition:transform var(--ease)}
.text-link:hover i{transform:translateX(3px)}
/* ===================== 标签与徽章 ===================== */
.tag{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:var(--radius-tag);background:var(--primary-tint);color:var(--primary);font-size:12px;line-height:20px;font-weight:600}
.tag-accent{background:var(--accent);color:#fff}
.tag-soft{background:#fff;border:1px solid var(--primary-line);color:var(--primary-dark)}
/* ===================== 页头带 ===================== */
.page-hero{background:linear-gradient(180deg,#FFFFFF 0%,var(--primary-tint) 100%);border-bottom:1px solid var(--divider);padding:32px 0 40px}
.breadcrumb{font-size:14px;color:var(--text-3);margin-bottom:20px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{color:var(--primary-line)}
.breadcrumb .current{color:var(--text-2)}
.hero-row{align-items:center}
.hero-copy h1{font-size:40px;line-height:50px;margin:14px 0 14px;max-width:620px}
.hero-lead{font-size:16px;line-height:28px;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-points{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:24px}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2)}
.hero-points i{color:var(--primary);font-size:15px}
.hero-figure{margin-top:28px}
.hero-figure .figure-box{position:relative;border-radius:var(--radius-hero);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-1);aspect-ratio:16/11;background:var(--primary-tint)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-thumb{position:absolute;right:14px;bottom:14px;background:#fff;border-radius:12px;box-shadow:var(--shadow-2);padding:10px 12px;display:flex;gap:10px;align-items:center;max-width:230px}
.hero-thumb img{width:48px;height:48px;border-radius:8px;object-fit:cover;flex-shrink:0}
.hero-thumb strong{display:block;font-size:13px;line-height:19px;color:var(--text)}
.hero-thumb em{display:block;font-style:normal;font-size:12px;line-height:18px;color:var(--text-3)}
/* ===================== 主体布局 ===================== */
.content-wrap{padding:56px 0 0}
@media screen and (min-width:1024px){
  .content-wrap{padding:72px 0 0}
}
.doc{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:32px 26px;box-shadow:var(--shadow-1)}
.doc section{scroll-margin-top:96px}
.doc h2{font-size:28px;line-height:40px;margin:0 0 16px}
.doc section + section{margin-top:40px;padding-top:36px;border-top:1px solid var(--divider)}
.doc h3{font-size:20px;line-height:30px;margin:0 0 8px}
.doc p{font-size:16px;line-height:30px;color:var(--text-2);margin-bottom:18px}
.doc p:last-child{margin-bottom:0}
.doc strong{color:var(--text)}
.lead-note{background:var(--primary-tint);border-left:3px solid var(--primary);padding:16px 18px;border-radius:0 12px 12px 0;color:var(--text-2);font-size:15px;line-height:27px;margin-bottom:22px}
.plain-list li{position:relative;padding-left:20px;margin-bottom:10px;font-size:15px;line-height:27px;color:var(--text-2)}
.plain-list li::before{content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--primary)}
.step-list{counter-reset:step;margin-top:6px}
.step-list li{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--border)}
.step-list li:last-child{border-bottom:0}
.step-num{flex-shrink:0;width:28px;height:28px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;margin-top:4px}
.step-list h3{font-size:18px;line-height:28px;margin-bottom:6px}
.step-list p{margin-bottom:0;font-size:15px;line-height:26px}
.rule-list{margin-top:8px}
.rule-list li{display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--border)}
.rule-list li:last-child{border-bottom:0;padding-bottom:0}
.rule-num{flex-shrink:0;width:40px;height:40px;border-radius:50%;border:1px solid var(--primary-line);color:var(--primary);display:grid;place-items:center;font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;background:var(--primary-tint)}
.rule-list p{margin-bottom:0}
.issue-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:20px}
.issue-card{border:1px solid var(--border);border-radius:12px;padding:18px;background:#fff;transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease)}
.issue-card:hover{box-shadow:var(--shadow-2);border-color:var(--primary-line);transform:translateY(-2px)}
.issue-card h3{font-size:17px;line-height:26px;display:flex;align-items:center;gap:8px}
.issue-card h3 i{color:var(--warn);font-size:15px}
.issue-card p{font-size:14px;line-height:24px;margin:8px 0 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:12px;font-size:15px;line-height:26px;color:var(--text-2)}
.check-list i{color:var(--tertiary);margin-top:7px;font-size:14px}
.doc-figure{margin:34px 0 0;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--border);background:var(--primary-tint)}
.doc-figure img{width:100%;height:auto;aspect-ratio:21/9;object-fit:cover}
.doc-figure figcaption{font-size:13px;line-height:20px;color:var(--text-3);padding:10px 14px;background:#fff;text-align:center}
/* ===================== FAQ ===================== */
.faq-block{padding:var(--sec-y) 0 0;scroll-margin-top:96px}
.section-head{margin-bottom:28px}
.section-head h2{font-size:28px;line-height:40px;margin-bottom:8px}
.section-head p{font-size:15px;line-height:26px;color:var(--text-2)}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:12px;margin-bottom:12px;position:relative;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item:hover{border-color:var(--primary-line)}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--shadow-1)}
.faq-item.is-open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;background:none;border:0;text-align:left;font-size:16px;line-height:24px;font-weight:600;color:var(--text)}
.faq-q i{color:var(--primary);font-size:14px;transition:transform 240ms ease;flex-shrink:0}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows 300ms ease}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:26px;color:var(--text-2)}
/* ===================== 侧栏 ===================== */
.side-col{margin-top:32px}
@media screen and (min-width:1024px){
  .side-col{margin-top:0}
  .side-sticky{position:sticky;top:88px}
}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow-1);margin-bottom:18px}
.side-card h3{font-size:16px;line-height:26px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--primary);font-size:14px}
.anchor-list li{margin-bottom:2px}
.anchor-list a{display:block;position:relative;padding:9px 12px 9px 14px;font-size:14px;line-height:22px;color:var(--text-2);border-radius:8px;transition:background-color var(--ease),color var(--ease)}
.anchor-list a::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:transparent;transition:background-color var(--ease)}
.anchor-list a:hover{background:var(--primary-tint);color:var(--primary)}
.anchor-list a.is-current{color:var(--primary);font-weight:600;background:var(--primary-tint)}
.anchor-list a.is-current::before{background:var(--primary)}
.side-links li{border-bottom:1px dashed var(--border)}
.side-links li:last-child{border-bottom:0}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:12px 0;font-size:14px;line-height:22px;color:var(--text-2)}
.side-links a:hover{color:var(--primary)}
.side-links span{font-size:12px;color:var(--text-3)}
.cta-card{background:var(--primary-tint);border:1px solid var(--primary-line);border-radius:var(--radius-card);padding:24px;text-align:left}
.cta-card h3{font-size:18px;line-height:28px;margin-bottom:8px}
.cta-card p{font-size:14px;line-height:24px;color:var(--text-2);margin-bottom:16px}
/* ===================== CTA 带 ===================== */
.cta-band{padding:var(--sec-y) 0 0}
.cta-inner{background:var(--primary-tint);border-radius:var(--radius-hero);padding:48px;display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:28px;line-height:40px;margin-bottom:12px}
.cta-inner p{font-size:15px;line-height:27px;color:var(--text-2);margin-bottom:18px}
.cta-inner .check-list li{margin-bottom:10px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-panel{background:#fff;border:1px solid var(--primary-line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1)}
.cta-panel h3{font-size:17px;line-height:26px;margin-bottom:10px}
.cta-panel p{font-size:14px;line-height:24px;color:var(--text-2);margin-bottom:16px}
/* ===================== 页面底部链接 ===================== */
.next-links{padding:56px 0 var(--sec-y)}
.next-links .inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid var(--border);padding-top:28px}
.next-links .text-link{margin-right:24px}
/* ===================== 页脚 ===================== */
.site-footer{background:var(--bg);border-top:1px solid var(--border);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:44px}
.footer-brand p{font-size:14px;line-height:24px;color:var(--text-2);margin-top:14px;max-width:340px}
.footer-col h4{font-size:15px;line-height:24px;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;line-height:22px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary)}
.footer-contact li{display:flex;align-items:center;gap:8px;font-size:14px;line-height:22px;color:var(--text-2);margin-bottom:10px}
.footer-contact i{color:var(--primary);font-size:13px;width:16px}
.qr-box{width:96px;height:96px;border:1px dashed var(--primary-line);border-radius:12px;display:grid;place-items:center;text-align:center;font-size:12px;line-height:18px;color:var(--text-3);background:#fff;margin-top:12px}
.footer-bottom{border-top:1px solid var(--border);padding:20px 0;text-align:center;font-size:13px;line-height:22px;color:var(--text-3)}
/* ===================== 响应式 ===================== */
@media screen and (max-width:1023px){
  :root{--sec-y:72px}
  .nav-menu{
    position:fixed;left:0;right:0;top:64px;bottom:0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;padding:20px 20px 110px;
    transform:translateX(-100%);transition:transform var(--ease);z-index:70;overflow-y:auto;
    border-top:1px solid var(--divider);
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{font-size:18px;line-height:28px;padding:14px 0;border-bottom:1px solid var(--divider)}
  .nav-menu a::after{left:0;right:auto;bottom:6px;width:36px}
  .nav-burger{display:grid}
  .drawer-cta{display:flex;position:fixed;left:20px;right:20px;bottom:20px;z-index:75;transform:translateY(140%);transition:transform var(--ease)}
  .drawer-cta.is-open{transform:translateY(0)}
  .hero-copy h1{margin-top:12px}
  .cta-inner{grid-template-columns:1fr;padding:32px 24px;gap:26px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .side-sticky{position:static}
  .anchor-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;-ms-overflow-style:none}
  .anchor-list::-webkit-scrollbar{display:none}
  .anchor-list li{margin:0;flex:0 0 auto}
  .anchor-list a{white-space:nowrap;background:var(--bg);padding:8px 14px}
  .anchor-list a::before{display:none}
}
@media screen and (max-width:639px){
  :root{--sec-y:56px}
  body{font-size:15.5px;line-height:27px}
  .nav-dot{display:none}
  .nav-inner{height:56px}
  .nav-menu{top:56px}
  .hero-copy h1{font-size:28px;line-height:38px}
  .hero-lead{font-size:15px;line-height:26px}
  .hero-actions .btn{width:100%}
  .doc{padding:24px 18px}
  .doc h2{font-size:22px;line-height:32px}
  .doc h3{font-size:18px;line-height:28px}
  .section-head h2{font-size:22px;line-height:32px}
  .cta-inner h2{font-size:22px;line-height:32px}
  .cta-inner{padding:26px 20px}
  .search-panel form{flex-wrap:wrap}
  .search-panel input[type="search"]{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .nav-right .btn-inline{display:none}
}

/* roulang page: category2 */
:root{
  --primary:#1F5AE0;
  --primary-hover:#1747B8;
  --primary-tint:#EAF1FF;
  --primary-line:#D6E0F2;
  --accent:#FF7A29;
  --tertiary:#17B8A6;
  --bg:#F6F8FC;
  --card:#FFFFFF;
  --line:#E5EAF3;
  --divider:#EEF2F8;
  --text:#1B2436;
  --text-2:#5A6B87;
  --text-3:#8A99B3;
  --white:#FFFFFF;
  --success:#16A34A;
  --warn:#F59E0B;
  --error:#E5484D;
  --r-card:16px;
  --r-img:16px;
  --r-btn:10px;
  --r-tag:6px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(27,36,54,.04),0 4px 12px rgba(27,36,54,.06);
  --sh2:0 8px 24px rgba(27,36,54,.10);
  --t:240ms cubic-bezier(.2,.7,.3,1);
  --gutter:12px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:28px;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:hover,a:focus{color:var(--primary);}
img{max-width:100%;display:block;}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.row{max-width:none;margin-left:calc(-1 * var(--gutter));margin-right:calc(-1 * var(--gutter));}
.row > .column{padding-left:var(--gutter);padding-right:var(--gutter);}
.row.flex-row{display:flex;flex-wrap:wrap;}
.row.flex-row > .column{display:flex;flex-direction:column;float:none;}
.section{background:var(--card);padding:88px 0;}
.section-alt{background:var(--bg);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{display:inline-block;font-size:13px;line-height:20px;font-weight:600;color:var(--primary);background:var(--primary-tint);border-radius:var(--r-tag);padding:2px 10px;margin-bottom:14px;}
.section-title{font-size:28px;line-height:40px;font-weight:700;letter-spacing:0;}
.section-desc{margin-top:14px;font-size:15px;line-height:27px;color:var(--text-2);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:90;
  background:var(--card);
  border-bottom:1px solid var(--divider);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh1);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.nav-left{display:flex;align-items:center;gap:30px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:14px;flex-shrink:0;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;}
.brand:hover{color:var(--primary);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;flex-shrink:0;
}
.brand-text{letter-spacing:0;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-menu a{position:relative;display:inline-block;font-size:15px;line-height:24px;font-weight:500;color:var(--text);padding:6px 0;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--primary);
  transform:scaleX(0);transform-origin:left;transition:transform 160ms ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-dot{
  width:38px;height:16px;
  background-image:radial-gradient(var(--primary-line) 1.6px,transparent 1.6px);
  background-size:8px 8px;
  opacity:.95;
}
.icon-btn{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);
  transition:all var(--t);
}
.icon-btn:hover{border-color:var(--primary-line);color:var(--primary);background:var(--primary-tint);}
.icon-btn:focus-visible,.btn:focus-visible,a:focus-visible{outline:2px solid rgba(31,90,224,.4);outline-offset:2px;}
.nav-burger{display:none;}
.search-panel{max-height:0;overflow:hidden;background:#fff;transition:max-height var(--t);}
.search-panel.is-open{max-height:110px;}
.search-panel form{display:flex;gap:12px;padding:14px 0 18px;border-top:1px solid var(--divider);}
.search-panel input[type="search"]{
  flex:1;height:46px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;font-size:15px;color:var(--text);background:#fff;transition:all var(--t);
}
.search-panel input[type="search"]:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12);outline:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  white-space:nowrap;transition:all var(--t);
}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh2);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-outline:hover{background:var(--primary-tint);color:var(--primary-hover);}
.btn-quiet{background:var(--primary-tint);color:var(--primary);}
.btn-quiet:hover{background:#DDE8FF;color:var(--primary-hover);}
.btn-inline{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);}
.text-link i{transition:transform var(--t);}
.text-link:hover i{transform:translateX(2px);}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;line-height:22px;color:var(--text-3);padding-top:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb span.sep{color:#C7D2E4;}

/* ---------- Hero ---------- */
.cat-hero{position:relative;background:var(--card);padding-bottom:64px;overflow:hidden;}
.cat-hero::before{
  content:"";position:absolute;right:-160px;top:-180px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,90,224,.07),rgba(31,90,224,0) 70%);pointer-events:none;
}
.hero-center{position:relative;max-width:860px;margin:40px auto 0;text-align:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-tint);border-radius:var(--r-tag);padding:4px 12px;
}
.hero-tag i{font-size:12px;}
.cat-hero h1{
  margin-top:20px;font-size:40px;line-height:50px;font-weight:700;letter-spacing:0;
}
.hero-lead{margin-top:16px;font-size:17px;line-height:30px;color:var(--text-2);}
.hero-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-points{display:flex;justify-content:center;flex-wrap:wrap;gap:10px 28px;margin-top:26px;}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;line-height:22px;color:var(--text-2);}
.hero-points i{color:var(--tertiary);font-size:14px;}
.hero-media{
  position:relative;margin-top:44px;border-radius:20px;overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh1);aspect-ratio:21/9;background:var(--bg);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.stat-strip{
  position:relative;margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.stat-item{padding:22px 20px;text-align:center;border-right:1px solid var(--divider);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:22px;line-height:32px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;}
.stat-label{margin-top:4px;font-size:13px;line-height:20px;color:var(--text-3);}

/* ---------- 步骤条 ---------- */
.steps-band{background:var(--bg);border-top:1px solid var(--divider);border-bottom:1px solid var(--divider);padding:64px 0;}
.steps-head{margin-bottom:36px;}
.steps-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px;}
.steps-wrap::-webkit-scrollbar{height:0;}
.steps{display:flex;min-width:820px;}
.step{position:relative;flex:1;padding:0 12px;text-align:center;}
.step::before,.step::after{content:"";position:absolute;top:19px;height:2px;background:var(--line);}
.step::before{left:0;right:50%;}
.step::after{left:50%;right:0;}
.step:first-child::before{display:none;}
.step:last-child::after{display:none;}
.step-index{
  position:relative;z-index:1;width:40px;height:40px;margin:0 auto;border-radius:50%;
  background:#fff;border:1px solid var(--line);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;transition:all var(--t);
}
.step.is-current .step-index{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,90,224,.22);}
.step-label{margin-top:14px;font-size:15px;font-weight:600;line-height:24px;}
.step-desc{margin-top:4px;font-size:13px;line-height:20px;color:var(--text-3);}

/* ---------- 卡片 ---------- */
.feat-card{
  flex:1;display:flex;flex-direction:column;gap:14px;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh1);transition:all var(--t);
}
.feat-card:hover{box-shadow:var(--sh2);border-color:var(--primary-line);transform:translateY(-2px);}
.feat-ico{
  width:42px;height:42px;border-radius:11px;background:var(--primary-tint);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.feat-card h3{font-size:20px;line-height:30px;font-weight:600;}
.feat-card p{font-size:14px;line-height:24px;color:var(--text-2);}
.feat-card.is-wide{flex-direction:row;align-items:center;gap:28px;}
.feat-card.is-wide .feat-body{display:flex;flex-direction:column;gap:12px;flex:1;}
.feat-thumb{
  width:240px;flex-shrink:0;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:var(--bg);
}
.feat-thumb img{width:100%;height:100%;object-fit:cover;}
.card-foot{margin-top:auto;padding-top:6px;}

.scene-card{
  flex:1;height:100%;display:flex;flex-direction:column;gap:12px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh1);transition:all var(--t);
}
.scene-card:hover{box-shadow:var(--sh2);border-color:var(--primary-line);transform:translateY(-2px);}
.scene-top{display:flex;align-items:center;gap:10px;}
.scene-top i{color:var(--primary);font-size:15px;}
.scene-card h3{font-size:17px;line-height:26px;font-weight:600;}
.scene-card p{font-size:14px;line-height:23px;color:var(--text-2);}
.tag{
  display:inline-block;font-size:12px;line-height:20px;padding:2px 10px;border-radius:var(--r-tag);
  background:var(--primary-tint);color:var(--primary);font-weight:600;
}
.tag-warn{background:#FFF1E6;color:#C2540C;}
.tag-ok{background:#E7F7F1;color:#0E8E7C;}

/* ---------- 礼包类别 ---------- */
.gift-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);overflow:hidden;
}
.gift-item{
  display:flex;gap:16px;align-items:flex-start;padding:22px 26px;
  border-bottom:1px solid var(--divider);transition:background var(--t);
}
.gift-item:last-child{border-bottom:0;}
.gift-item:hover{background:#F9FBFF;}
.gift-num{
  width:30px;height:30px;border-radius:9px;flex-shrink:0;background:var(--primary-tint);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.gift-body{flex:1;min-width:0;}
.gift-title{display:flex;align-items:center;flex-wrap:wrap;gap:10px;}
.gift-title h3{font-size:16px;line-height:26px;font-weight:600;}
.gift-body p{margin-top:6px;font-size:14px;line-height:23px;color:var(--text-2);}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh1);margin-bottom:20px;
}
.side-card h3{font-size:17px;line-height:26px;font-weight:600;margin-bottom:12px;}
.side-card p{font-size:14px;line-height:24px;color:var(--text-2);}
.side-card .side-tip{
  margin-top:14px;padding:12px 14px;border-radius:10px;background:var(--primary-tint);
  font-size:13px;line-height:22px;color:var(--primary-hover);
}
.side-media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;background:var(--bg);}
.side-media img{width:100%;height:100%;object-fit:cover;}
.check-list li{display:flex;gap:10px;font-size:14px;line-height:24px;color:var(--text-2);margin-bottom:8px;}
.check-list li:last-child{margin-bottom:0;}
.check-list i{color:var(--tertiary);margin-top:5px;font-size:13px;}

/* ---------- 表单 ---------- */
.signup-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--sh1);
  padding:40px;display:flex;gap:44px;align-items:flex-start;
}
.signup-copy{flex:1.1;min-width:0;}
.signup-copy h2{font-size:26px;line-height:38px;font-weight:700;}
.signup-copy > p{margin-top:14px;font-size:15px;line-height:27px;color:var(--text-2);}
.signup-form{flex:1;min-width:0;}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;line-height:22px;color:var(--text-2);margin-bottom:6px;}
.form-row input,.form-row select{
  width:100%;height:46px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 14px;background:#fff;color:var(--text);font-size:15px;transition:all var(--t);
}
.form-row input:focus,.form-row select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,90,224,.12);outline:none;}
.form-row.has-error input,.form-row.has-error select{border-color:var(--error);}
.form-error{display:none;margin-top:6px;font-size:12px;line-height:18px;color:var(--error);}
.form-row.has-error .form-error{display:block;}
.form-tip{margin-top:12px;font-size:13px;line-height:21px;color:var(--text-3);}
.form-ok{
  display:none;margin-bottom:16px;padding:12px 14px;border-radius:10px;
  background:#E7F7F1;color:#0E8E7C;font-size:14px;line-height:22px;
}
.form-ok.is-show{display:block;}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:all var(--t);
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--primary);
  transform:scaleY(0);transform-origin:top;transition:transform var(--t);
}
.faq-item.is-open{border-color:var(--primary-line);box-shadow:var(--sh1);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:18px 22px;text-align:left;font-size:16px;line-height:24px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--primary);}
.faq-q i{flex-shrink:0;color:var(--primary);font-size:15px;transition:transform var(--t);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;padding:0 22px;font-size:15px;line-height:26px;color:var(--text-2);transition:max-height 320ms ease;}
.faq-item.is-open .faq-a{max-height:420px;padding-bottom:20px;}

/* ---------- CTA 条 ---------- */
.cta-card{
  background:var(--primary-tint);border-radius:20px;padding:44px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-card h2{font-size:24px;line-height:36px;font-weight:700;}
.cta-card p{margin-top:10px;font-size:15px;line-height:26px;color:var(--text-2);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex-shrink:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--divider);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:24px;color:var(--text-2);max-width:340px;}
.footer-col h4{font-size:16px;line-height:26px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;line-height:22px;color:var(--text-2);}
.footer-col a:hover{color:var(--primary);}
.footer-contact li{display:flex;align-items:center;gap:8px;font-size:14px;line-height:24px;color:var(--text-2);}
.footer-contact i{color:var(--primary);font-size:13px;}
.qr-box{
  width:92px;height:92px;margin-top:16px;border-radius:10px;border:1px dashed var(--primary-line);
  background:#fff;display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:18px;color:var(--text-3);
}
.footer-bottom{
  margin-top:44px;border-top:1px solid var(--divider);padding:20px 0;
  text-align:center;font-size:13px;line-height:21px;color:var(--text-3);
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column;
  padding:20px;transform:translateX(100%);transition:transform var(--t);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--divider);}
.drawer-links{display:flex;flex-direction:column;gap:20px;padding:28px 0;flex:1;}
.drawer-links a{font-size:18px;line-height:28px;font-weight:500;color:var(--text);}
.drawer-links a.is-active{color:var(--primary);}
.drawer-cta{padding-top:16px;border-top:1px solid var(--divider);}
.drawer-cta .btn{width:100%;height:48px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .nav-menu{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-dot{display:none;}
  .section{padding:72px 0;}
  .cat-hero h1{font-size:34px;line-height:46px;}
  .feat-card.is-wide{flex-direction:column;align-items:flex-start;}
  .feat-thumb{width:100%;aspect-ratio:16/9;}
  .signup-card{flex-direction:column;gap:28px;padding:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-card{flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:32px;}
  .section-title{font-size:22px;line-height:32px;}
  .cat-hero{padding-bottom:48px;}
  .cat-hero h1{font-size:28px;line-height:38px;}
  .hero-lead{font-size:15.5px;line-height:27px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn{width:100%;height:48px;}
  .hero-points{flex-direction:column;align-items:center;gap:10px;}
  .hero-media{aspect-ratio:16/10;border-radius:16px;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-item:nth-child(2){border-right:0;}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-bottom:1px solid var(--divider);}
  .steps-band{padding:48px 0;}
  .steps{min-width:660px;}
  .gift-item{padding:18px 20px;}
  .signup-card{padding:24px 20px;border-radius:16px;}
  .signup-copy h2{font-size:22px;line-height:32px;}
  .cta-card{padding:28px 20px;border-radius:16px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;height:48px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a{padding:0 18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{margin-top:32px;}
}