/* roulang page: index */
:root{
  --brand-500:#1B72E8;
  --brand-600:#1559BC;
  --brand-700:#0F4494;
  --brand-100:#E4EFFC;
  --accent-500:#FF7A2F;
  --accent-600:#E8641B;
  --accent-100:#FFF0E6;
  --ink-900:#131A2A;
  --ink-700:#3A4658;
  --ink-500:#6B7891;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E5EBF3;
  --soft:#F8FAFD;
  --success:#18A058;
  --warn:#E8A400;
  --danger:#D93838;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(19,26,42,.04),0 6px 18px rgba(19,26,42,.05);
  --shadow-hover:0 10px 26px rgba(19,26,42,.10);
  --container:1200px;
  --sec-gap:88px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;}
h1{font-size:40px;line-height:1.25;}
h2{font-size:30px;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-500);}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,114,232,.30);border-radius:8px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-gap) 0;}
.section-sm{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .eyebrow{display:block;font-size:13px;letter-spacing:.08em;color:var(--brand-600);font-weight:600;margin-bottom:10px;}
.section-head p{margin-top:12px;max-width:660px;color:var(--ink-500);font-size:15px;}
.section-head .head-link{font-size:15px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.section-head .head-link .arrow{transition:transform .2s ease-out;}
.section-head .head-link:hover .arrow{transform:translateX(3px);}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 4px 18px rgba(19,26,42,.07);}
.header-inner{height:68px;display:flex;align-items:center;gap:28px;}
.logo{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:17px;letter-spacing:.01em;}
.logo:hover{color:var(--ink-900);}
.logo-mark{
  width:14px;height:14px;border-radius:4px;
  background:var(--accent-500);
  box-shadow:0 0 0 4px var(--accent-100);
  flex:0 0 auto;
}
.logo-text{white-space:nowrap;}
.main-nav{margin-left:auto;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:block;padding:10px 12px;
  font-size:15px;color:var(--ink-700);font-weight:500;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.main-nav a:hover{color:var(--brand-600);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-600);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--surface);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;}

/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 4px 12px rgba(27,114,232,.22);}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);}
.btn-primary:active{background:var(--brand-700);transform:translateY(0);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 4px 12px rgba(255,122,47,.24);}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-500);}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-600);}
.btn-ghost{background:var(--surface);color:var(--ink-700);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand-500);color:var(--brand-600);}
.btn-lg{height:50px;padding:0 26px;font-size:16px;border-radius:12px;}
.btn-sm{height:38px;padding:0 14px;font-size:14px;}
.btn-block{width:100%;}
.btn:disabled,.btn.is-disabled{opacity:.4;cursor:not-allowed;box-shadow:none;transform:none;}

/* badges & pills */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}
.badge-accent{background:var(--accent-100);color:#B4491A;}
.badge-soft{background:var(--soft);color:var(--ink-500);border:1px solid var(--line);}
.badge-success{background:#E7F7EF;color:#0E7A44;}

/* hero */
.hero{position:relative;overflow:hidden;padding:64px 0 72px;}
.hero::before{
  content:"";position:absolute;inset:0 0 auto 0;height:100%;
  background:linear-gradient(180deg,var(--brand-100) 0%,rgba(246,249,253,0) 72%);
  z-index:0;
}
.hero .container{position:relative;z-index:1;}
.hero-inner{display:grid;grid-template-columns:58% 42%;gap:48px;align-items:center;}
.hero-copy > * + *{margin-top:18px;}
.hero h1{max-width:16em;}
.hero-sub{font-size:17px;color:var(--ink-700);max-width:34em;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;padding-top:6px;}
.hero-tags li{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
.hero-tags li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--success);}
.hero-visual{position:relative;}
.hero-visual .hero-img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:16px;
  background:var(--brand-100);box-shadow:var(--shadow-card);
}
.hero-visual::after{
  content:"";position:absolute;right:-14px;top:-14px;width:96px;height:96px;
  border:2px solid rgba(27,114,232,.18);border-radius:50%;z-index:-1;
}
.hero-float-card{
  position:absolute;left:-28px;bottom:-26px;width:262px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:0 12px 30px rgba(19,26,42,.10);padding:16px 18px;
}
.hero-float-card .fc-title{font-size:13px;font-weight:700;color:var(--ink-900);margin-bottom:10px;}
.hero-float-card ul li{
  display:flex;gap:8px;align-items:flex-start;
  font-size:13px;color:var(--ink-500);line-height:1.65;padding:5px 0;
  border-top:1px dashed var(--line);
}
.hero-float-card ul li:first-child{border-top:0;}
.hero-float-card ul li b{color:var(--brand-600);font-weight:700;}

/* quick entries */
.quick-bar{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;}
.quick-list{display:flex;gap:12px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin;}
.quick-list li{flex:0 0 auto;}
.quick-list a{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:var(--soft);border:1px solid var(--line);
  font-size:14px;color:var(--ink-700);font-weight:500;
  transition:all .2s ease-out;
}
.quick-list a .dot{width:8px;height:8px;border-radius:50%;background:var(--brand-500);}
.quick-list a:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-2px);}

/* directory */
.directory{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:stretch;}
.dir-cover{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.dir-cover:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand-100);}
.dir-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-100);}
.dir-cover .dir-body{padding:22px 24px 24px;}
.dir-cover h3{margin-bottom:12px;}
.dir-cover p{font-size:15px;color:var(--ink-500);}
.dir-points{margin-top:16px;border-top:1px solid var(--line);padding-top:14px;}
.dir-points li{display:flex;gap:10px;font-size:14px;color:var(--ink-700);padding:6px 0;}
.dir-points li i{
  flex:0 0 auto;width:20px;height:20px;border-radius:6px;background:var(--brand-100);
  color:var(--brand-700);font-size:12px;font-weight:700;font-style:normal;
  display:flex;align-items:center;justify-content:center;margin-top:4px;
}
.dir-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:12px 22px;
}
.dir-list li{border-bottom:1px solid var(--line);}
.dir-list li:last-child{border-bottom:0;}
.dir-list a{
  display:flex;align-items:center;gap:14px;padding:15px 4px;
  color:var(--ink-900);font-size:15px;font-weight:500;
  transition:color .2s ease-out,padding-left .2s ease-out;
}
.dir-list a .idx{font-size:12px;font-weight:700;color:var(--brand-500);letter-spacing:.06em;}
.dir-list a .txt{flex:1;}
.dir-list a .go{color:var(--ink-500);font-size:14px;transition:transform .2s ease-out;}
.dir-list a:hover{color:var(--brand-600);padding-left:8px;}
.dir-list a:hover .go{transform:translateX(3px);color:var(--brand-600);}

/* featured */
.featured-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;}
.feat-main{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  display:flex;flex-direction:column;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.feat-main:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand-100);}
.feat-main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-100);transition:transform .22s ease-out;}
.feat-main:hover img{transform:scale(1.03);}
.feat-main .feat-body{padding:24px;}
.feat-main h3{font-size:22px;margin:12px 0 10px;}
.feat-main p{font-size:15px;color:var(--ink-500);}
.feat-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.feat-mini{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);display:flex;
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.feat-mini:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand-100);}
.feat-mini img{width:42%;object-fit:cover;background:var(--brand-100);}
.feat-mini .mini-body{padding:18px 20px;display:flex;flex-direction:column;gap:8px;justify-content:center;}
.feat-mini h3{font-size:16px;}
.feat-mini p{font-size:13.5px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-500);}
.meta-row .dot-sep{width:3px;height:3px;border-radius:50%;background:var(--line);}

/* news list */
.news-wrap{display:grid;gap:16px;}
.news-card{
  display:grid;grid-template-columns:260px 1fr;gap:22px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:16px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand-100);}
.news-card .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:10px;background:var(--brand-100);}
.news-card .news-body{display:flex;flex-direction:column;gap:10px;justify-content:center;padding-right:8px;}
.news-card h3{font-size:18px;color:var(--ink-900);transition:color .2s ease-out;}
.news-card:hover h3{color:var(--brand-600);}
.news-card p{font-size:14.5px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:52px 24px;text-align:center;
}
.empty-state .es-icon{
  width:56px;height:56px;border-radius:50%;background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
  color:var(--brand-600);font-size:22px;font-weight:700;
}
.empty-state p{color:var(--ink-500);font-size:15px;margin-bottom:18px;}

/* recommend */
.rec-scroll{display:flex;gap:16px;overflow-x:auto;padding:4px 4px 14px;}
.rec-card{
  flex:0 0 268px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.rec-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:var(--brand-100);}
.rec-card h3{font-size:15.5px;margin:10px 0 12px;color:var(--ink-900);}
.rec-card .meta-row{font-size:12.5px;}

/* cta strip */
.cta-strip{
  background:var(--brand-100);border-radius:16px;padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-strip h3{font-size:22px;margin-bottom:8px;}
.cta-strip p{font-size:15px;color:var(--ink-700);max-width:44em;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--radius-btn);
  border:1.5px solid var(--brand-500);background:var(--surface);
  color:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;transition:all .2s ease-out;
}
.icon-btn:hover{background:var(--brand-500);color:#fff;transform:translateY(-1px);}

/* stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
}
.stat-card .num{font-size:30px;font-weight:700;color:var(--brand-600);line-height:1.2;}
.stat-card .lbl{font-size:14px;color:var(--ink-900);font-weight:600;margin-top:8px;}
.stat-card .desc{font-size:13.5px;color:var(--ink-500);margin-top:6px;}

/* faq */
.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:16px 22px;min-height:56px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
}
.faq-q:hover{color:var(--brand-600);}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:700;
  transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-item.is-open .faq-sign{background:var(--brand-500);color:#fff;transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out;background:var(--soft);}
.faq-a .inner{padding:16px 22px 20px;font-size:15px;color:var(--ink-700);line-height:1.75;}
.faq-item.is-open .faq-a{max-height:420px;}

/* footer */
.site-footer{background:#0E1729;color:#B9C4D6;margin-top:var(--sec-gap);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.site-footer p{font-size:14px;line-height:1.85;color:#93A2BB;}
.footer-brand .flogo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:14px;}
.footer-brand .flogo .logo-mark{box-shadow:0 0 0 4px rgba(255,122,47,.18);}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#B9C4D6;font-size:14px;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-500);}
.footer-contact li{font-size:14px;margin-bottom:10px;color:#B9C4D6;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8AA3;
}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,26,42,.45);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;z-index:90;
  background:var(--surface);transform:translateX(100%);
  transition:transform .24s ease-out;display:flex;flex-direction:column;
  box-shadow:-10px 0 30px rgba(19,26,42,.14);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-head .logo-text{font-weight:700;color:var(--ink-900);font-size:16px;}
.drawer-close{width:40px;height:40px;border-radius:10px;font-size:22px;line-height:1;color:var(--ink-500);}
.drawer-close:hover{background:var(--soft);color:var(--ink-900);}
.drawer-nav{padding:8px 12px;flex:1;overflow-y:auto;}
.drawer-nav a{display:flex;align-items:center;height:48px;padding:0 12px;border-radius:10px;font-size:16px;color:var(--ink-700);}
.drawer-nav a:hover{background:var(--soft);color:var(--brand-600);}
.drawer-nav a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);display:grid;gap:10px;}

@media (max-width:1199px){
  h1{font-size:34px;}
  .hero-inner{grid-template-columns:1fr 1fr;gap:36px;}
  .hero-float-card{left:-10px;bottom:-18px;width:230px;}
  .directory{grid-template-columns:1fr 1fr;}
  .featured-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  :root{--sec-gap:64px;}
  h1{font-size:32px;}
  h2{font-size:26px;}
  .main-nav,.header-actions{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{justify-content:space-between;}
  .hero{padding:48px 0 56px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-visual{max-width:560px;}
  .hero-float-card{position:static;width:100%;margin-top:18px;}
  .hero-visual::after{display:none;}
  .directory,.featured-grid{grid-template-columns:1fr;}
  .feat-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-gap:48px;}
  .container{padding:0 16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{width:100%;}
  .feat-side{grid-template-columns:1fr;}
  .feat-mini{flex-direction:column;}
  .feat-mini img{width:100%;aspect-ratio:16/9;}
  .news-card{grid-template-columns:1fr;gap:14px;}
  .cta-strip{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:479px){
  h1{font-size:26px;}
  .header-inner{height:62px;}
  .logo{font-size:15px;}
  .stats-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .quick-list a{font-size:13.5px;}
  .rec-card{flex:0 0 82vw;}
}

/* roulang page: category1 */
:root{
  --brand-500:#1B72E8;
  --brand-600:#1559BC;
  --brand-700:#0F4494;
  --brand-100:#E4EFFC;
  --accent-500:#FF7A2F;
  --accent-100:#FFF0E6;
  --accent-700:#B4491A;
  --ink-900:#131A2A;
  --ink-700:#3A4658;
  --ink-500:#6B7891;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E5EBF3;
  --soft:#F8FAFD;
  --success:#18A058;
  --warn:#E8A400;
  --danger:#D93838;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-card:0 1px 2px rgba(19,26,42,.04),0 6px 18px rgba(19,26,42,.05);
  --shadow-hover:0 10px 26px rgba(19,26,42,.10);
  --space-section:88px;
  --font-cn:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-500);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(27,114,232,.30);border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-section) 0;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.06em;
  color:var(--brand-700);background:var(--brand-100);border-radius:var(--radius-pill);
  padding:5px 12px;margin-bottom:14px;
}
.section-head h2{font-size:30px;line-height:1.35;}
.section-head p{margin-top:12px;font-size:16px;color:var(--ink-500);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--surface);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(19,26,42,.07);}
.header-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--ink-900);white-space:nowrap;}
.brand:hover{color:var(--brand-600);}
.logo-mark{
  width:16px;height:16px;border-radius:5px;flex:0 0 16px;
  background:linear-gradient(135deg,var(--brand-500),var(--accent-500));
  box-shadow:0 4px 10px rgba(27,114,232,.28);
}
.main-nav{flex:1;}
.main-nav ul{display:flex;align-items:center;gap:26px;}
.main-nav a{
  position:relative;display:inline-block;padding:8px 0;font-size:15px;color:var(--ink-700);
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--brand-600);transition:width .2s ease-out;
}
.main-nav a:hover{color:var(--brand-600);}
.main-nav a:hover::after{width:100%;}
.main-nav a.active{color:var(--brand-700);font-weight:600;}
.main-nav a.active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1.5px solid transparent;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--accent-500);color:#fff;box-shadow:0 6px 16px rgba(255,122,47,.28);}
.btn-primary:hover{background:#F06A1C;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,47,.32);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--brand-600);border-color:var(--brand-500);}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-ghost{background:var(--brand-500);color:#fff;}
.btn-ghost:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:14px;color:var(--ink-500);}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#C3CDDC;}
.crumb .current{color:var(--ink-900);font-weight:600;}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;background:var(--surface);border-bottom:1px solid var(--line);overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:var(--brand-100);opacity:.75;
}
.page-hero-inner{
  position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
  padding:56px 0 60px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  color:var(--brand-700);background:var(--brand-100);border-radius:var(--radius-pill);padding:6px 14px;
}
.page-hero h1{font-size:42px;line-height:1.25;margin:18px 0 16px;max-width:15em;}
.hero-lead{font-size:16px;color:var(--ink-700);max-width:34em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.stat-chip{
  background:var(--soft);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:6px 14px;font-size:13px;color:var(--ink-700);
}
.stat-chip b{color:var(--brand-700);font-weight:700;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);
  background:var(--brand-100);box-shadow:var(--shadow-card);
}
.hero-media .overlay{
  position:absolute;inset:0;border-radius:var(--radius-card);
  background:rgba(27,114,232,.10);pointer-events:none;
}
.hero-float{
  position:absolute;left:-26px;bottom:-22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-hover);padding:16px 18px;max-width:250px;
}
.hero-float h3{font-size:14px;margin-bottom:8px;}
.hero-float ul li{
  font-size:13px;color:var(--ink-500);line-height:1.7;padding-left:14px;position:relative;
}
.hero-float ul li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent-500);
}

/* ---------- 主体两栏 ---------- */
.layout-split{display:grid;grid-template-columns:296px minmax(0,1fr);gap:32px;align-items:start;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);padding:20px;margin-bottom:20px;
}
.side-card h3{font-size:16px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.side-nav li+li{margin-top:2px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:10px 12px;border-radius:8px;font-size:14px;color:var(--ink-700);
  transition:background-color .18s ease-out,color .18s ease-out;
}
.side-nav a::after{content:"→";color:#B9C4D6;transition:transform .18s ease-out,color .18s ease-out;}
.side-nav a:hover{background:var(--brand-100);color:var(--brand-700);}
.side-nav a:hover::after{transform:translateX(3px);color:var(--brand-600);}
.side-nav a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}
.check-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--ink-500);line-height:1.75;
}
.check-list li+li{margin-top:10px;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:var(--brand-100);border:1.5px solid var(--brand-500);
}
.side-cta{
  background:var(--brand-100);border:1px solid #D3E3FA;border-radius:var(--radius-card);
  padding:20px;text-align:left;
}
.side-cta h3{color:var(--brand-700);font-size:16px;}
.side-cta p{font-size:14px;color:var(--ink-700);margin:10px 0 16px;}
.side-sticky{position:sticky;top:88px;}

/* ---------- 条目网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.entry-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3E3FA;}
.entry-thumb{position:relative;overflow:hidden;background:var(--brand-100);}
.entry-thumb img{
  width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .22s ease-out;
}
.entry-card:hover .entry-thumb img{transform:scale(1.03);}
.entry-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-block;font-size:12px;font-weight:600;line-height:1;padding:6px 10px;border-radius:var(--radius-pill);
}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}
.badge-accent{background:var(--accent-100);color:var(--accent-700);}
.badge-soft{background:#EEF4FB;color:var(--ink-700);}
.entry-body h3{font-size:20px;line-height:1.5;}
.entry-card:hover .entry-body h3{color:var(--brand-600);}
.entry-desc{font-size:14px;color:var(--ink-500);line-height:1.75;}
.entry-meta{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  padding-top:12px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);
}
.entry-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CDDC;}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.step-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 20px;box-shadow:var(--shadow-card);position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.step-no{
  width:34px;height:34px;border-radius:10px;background:var(--accent-100);color:var(--accent-700);
  font-weight:700;font-size:15px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;
}
.step-card h3{font-size:17px;margin-bottom:8px;}
.step-card p{font-size:14px;color:var(--ink-500);line-height:1.75;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-100);border:1px solid #D3E3FA;border-radius:16px;
  padding:32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;color:var(--brand-700);}
.cta-band p{font-size:15px;color:var(--ink-700);margin-top:8px;max-width:52em;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item+.faq-item{margin-top:14px;}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--brand-500);
  position:relative;transition:transform .2s ease-out,background-color .2s ease-out;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand-600);border-radius:2px;
  left:50%;top:50%;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:opacity .2s ease-out;}
.faq-item.open .faq-icon{background:var(--brand-100);transform:rotate(90deg);}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.faq-a-inner{
  padding:16px 20px 20px;font-size:15px;color:var(--ink-700);line-height:1.75;
  background:var(--soft);border-top:1px solid var(--line);
}
.faq-a-inner ol{padding-left:20px;list-style:decimal;}
.faq-a-inner ol li{margin:6px 0;}

/* ---------- 同类入口 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.related-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D3E3FA;}
.related-card img{
  width:88px;height:88px;flex:0 0 88px;object-fit:cover;border-radius:10px;background:var(--brand-100);
}
.related-card h3{font-size:17px;margin-bottom:6px;}
.related-card:hover h3{color:var(--brand-600);}
.related-card p{font-size:14px;color:var(--ink-500);line-height:1.7;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1729;color:#B9C4D6;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand .flogo{
  display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand p{font-size:14px;line-height:1.8;color:#9AA8BF;max-width:32em;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li+li{margin-top:10px;}
.footer-links a{font-size:14px;color:#B9C4D6;}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-contact li{font-size:14px;color:#9AA8BF;line-height:1.8;}
.footer-contact li+li{margin-top:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0;display:flex;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8C9AB1;
}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,26,42,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;z-index:90;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:340px;background:var(--surface);
  transform:translateX(100%);transition:transform .24s ease-out;z-index:95;
  display:flex;flex-direction:column;padding:18px 0 0;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 14px;border-bottom:1px solid var(--line);}
.drawer-head .brand{font-size:16px;}
.drawer-close{
  width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:10px;
  font-size:18px;color:var(--ink-700);cursor:pointer;
}
.drawer nav{padding:10px 0;overflow-y:auto;flex:1;}
.drawer nav a{display:block;padding:0 20px;height:48px;line-height:48px;font-size:15px;color:var(--ink-700);border-bottom:1px solid #F1F5FA;}
.drawer nav a.active{color:var(--brand-700);background:var(--brand-100);font-weight:600;}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);display:grid;gap:10px;}
body.drawer-open{overflow:hidden;}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
body.drawer-open .drawer{transform:translateX(0);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px;}
  .page-hero h1{font-size:36px;}
}
@media (max-width:991px){
  :root{--space-section:64px;}
  .main-nav{display:none;}
  .nav-actions .btn-outline{display:none;}
  .nav-toggle{display:flex;}
  .page-hero-inner{grid-template-columns:1fr;gap:32px;padding:40px 0 48px;}
  .page-hero h1{font-size:32px;}
  .hero-float{position:static;left:0;bottom:0;max-width:100%;margin-top:16px;}
  .layout-split{grid-template-columns:1fr;}
  .side-sticky{position:static;}
  .grid-2{grid-template-columns:1fr;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  :root{--space-section:48px;}
  .container{padding:0 16px;}
  .section-head h2{font-size:24px;}
  .page-hero h1{font-size:28px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:24px;flex-direction:column;align-items:flex-start;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .related-card{flex-direction:column;}
  .related-card img{width:100%;height:auto;aspect-ratio:16/9;flex:none;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .page-hero h1{font-size:26px;}
  .entry-body h3{font-size:18px;}
  .faq-q{font-size:15px;padding:12px 16px;}
}

/* roulang page: article */
:root{
  --brand-500:#1B72E8;
  --brand-600:#1559BC;
  --brand-700:#0F4494;
  --brand-100:#E4EFFC;
  --accent-500:#FF7A2F;
  --accent-600:#EA681F;
  --accent-100:#FFF0E6;
  --accent-700:#B4491A;
  --ink-900:#131A2A;
  --ink-700:#3A4658;
  --ink-500:#6B7891;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E5EBF3;
  --soft:#F8FAFD;
  --success:#18A058;
  --warn:#E8A400;
  --danger:#D93838;
  --r-card:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(19,26,42,.04), 0 6px 18px rgba(19,26,42,.05);
  --sh-2:0 10px 26px rgba(19,26,42,.10);
  --sec-gap:88px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink-900);line-height:1.35;font-weight:700}
p{margin:0}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--brand-500)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-gap) 0}
.section-tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:30px;letter-spacing:-.01em}
.section-head p{margin-top:8px;color:var(--ink-500);font-size:15px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-600);white-space:nowrap}
.text-link::after{content:"›";transition:transform .2s ease-out}
.text-link:hover::after{transform:translateX(3px)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(19,26,42,.06)}
.header-inner{display:flex;align-items:center;gap:26px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--brand-700);white-space:nowrap}
.brand:hover{color:var(--brand-600)}
.logo-mark{width:12px;height:12px;border-radius:4px;background:var(--accent-500);display:inline-block;flex:0 0 auto}
.main-nav ul{display:flex;align-items:center;gap:26px}
.main-nav a{position:relative;display:inline-block;padding:8px 0;font-size:15px;color:var(--ink-700)}
.main-nav a::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:2px;background:var(--brand-600);transition:width .2s ease-out}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:100%}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--surface);cursor:pointer;padding:11px 10px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--ink-900);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:120;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .24s ease-out;
  display:flex;flex-direction:column;padding:22px 20px 20px;
}
.nav-drawer.is-open{transform:translateX(0)}
.nav-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.nav-drawer .drawer-title{font-weight:700;color:var(--ink-900)}
.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:var(--surface);border-radius:var(--r-btn);cursor:pointer;font-size:18px;line-height:1;color:var(--ink-700)}
.nav-drawer a.drawer-link{display:block;line-height:48px;padding:0 4px;color:var(--ink-700);font-size:16px;border-bottom:1px solid var(--line)}
.nav-drawer a.drawer-link.active{color:var(--brand-600);font-weight:600}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px}
.nav-mask{position:fixed;inset:0;background:rgba(19,26,42,.45);opacity:0;visibility:hidden;transition:opacity .2s ease-out;z-index:110}
.nav-mask.is-open{opacity:1;visibility:visible}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);border:1.5px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;background:none;
  transition:background-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand-500);color:#fff}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:var(--surface);color:var(--brand-600);border-color:var(--brand-500)}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700)}
.btn-quiet{background:var(--surface);color:var(--ink-700);border-color:var(--line)}
.btn-quiet:hover{border-color:var(--brand-500);color:var(--brand-600)}
.btn[disabled]{opacity:.4;cursor:not-allowed}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
  background:var(--brand-100);color:var(--brand-700);
}
.badge-accent{background:var(--accent-100);color:var(--accent-700)}
.badge-line{background:var(--surface);border:1px solid var(--line);color:var(--ink-500)}
.badge-success{background:#E9F7F0;color:#0F7340}

/* ---------- Article hero ---------- */
.article-hero{
  background-image:linear-gradient(rgba(246,249,253,.93),rgba(246,249,253,.97)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.article-hero .container{padding-top:26px;padding-bottom:44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);margin-bottom:20px}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb .sep{color:#C3CCDA}
.breadcrumb .current{color:var(--ink-700);display:inline-block;max-width:44ch;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;vertical-align:bottom}
.article-hero h1{
  font-size:clamp(26px,3.4vw,42px);
  line-height:1.28;letter-spacing:-.01em;margin:16px 0 18px;max-width:20em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--ink-500)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CCDA}
.article-meta strong{color:var(--ink-700);font-weight:600}

/* ---------- Layout ---------- */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;padding:56px 0 88px;align-items:start}
.article-main{max-width:820px;min-width:0}
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px}
.side-card h3{font-size:16px;margin-bottom:14px}
.side-nav li+li{margin-top:2px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0;font-size:14.5px;color:var(--ink-700);border-bottom:1px dashed var(--line)}
.side-nav li:last-child a{border-bottom:0}
.side-nav a:hover{color:var(--brand-600)}
.side-nav a span.arw{color:#C3CCDA;transition:transform .2s ease-out}
.side-nav a:hover span.arw{transform:translateX(3px);color:var(--brand-500)}
.side-hot li{padding:12px 0;border-bottom:1px solid var(--line)}
.side-hot li:last-child{border-bottom:0;padding-bottom:0}
.side-hot a{display:block;font-size:14.5px;font-weight:600;color:var(--ink-900);margin-bottom:4px}
.side-hot a:hover{color:var(--brand-600)}
.side-hot em{font-style:normal;font-size:12.5px;color:var(--ink-500)}

/* ---------- Article content ---------- */
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:36px 40px 40px;
}
.article-content{font-size:16.5px;line-height:1.85;color:var(--ink-700)}
.article-content>*+*{margin-top:20px}
.article-content h2{
  font-size:24px;margin-top:44px;padding-left:14px;border-left:3px solid var(--brand-500);line-height:1.4;
}
.article-content h2:first-child{margin-top:0}
.article-content h3{font-size:19px;margin-top:30px;font-weight:600}
.article-content p{color:var(--ink-700)}
.article-content ul{list-style:none;padding-left:0}
.article-content ul li{position:relative;padding-left:20px;margin-top:10px}
.article-content ul li::before{content:"";position:absolute;left:2px;top:14px;width:6px;height:6px;border-radius:50%;background:var(--brand-500)}
.article-content ol{list-style:decimal;padding-left:22px}
.article-content ol li{margin-top:10px;padding-left:4px}
.article-content ol li::marker{color:var(--brand-600);font-weight:700}
.article-content blockquote{
  margin:26px 0;padding:16px 20px;background:var(--brand-100);
  border-left:3px solid var(--brand-500);border-radius:0 10px 10px 0;color:var(--ink-700);
}
.article-content blockquote p{margin:0}
.article-content img{border-radius:var(--r-card);margin:24px auto;width:100%;height:auto;background:var(--brand-100)}
.article-content figure{margin:26px 0}
.article-content figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--ink-500)}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.article-content th{background:var(--soft);color:var(--ink-900);font-weight:600;text-align:left}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line)}
.article-content tr:last-child td{border-bottom:0}
.article-content a{color:var(--brand-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.article-content hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-content code{background:var(--soft);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px}

/* ---------- Empty state ---------- */
.empty-state{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--brand-100);
  display:flex;align-items:center;justify-content:center;color:var(--brand-600);font-size:24px;font-weight:700;
}
.empty-state h2{font-size:20px;margin-bottom:8px}
.empty-state p{color:var(--ink-500);margin-bottom:22px}

/* ---------- Action band ---------- */
.action-band{
  margin-top:28px;background:var(--brand-100);border-radius:16px;
  padding:20px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;
}
.action-band p{font-size:15px;font-weight:600;color:var(--brand-700);flex:1 1 220px}
.action-band .band-actions{display:flex;gap:10px;flex-wrap:wrap}

/* ---------- Prev / next ---------- */
.pager{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:32px}
.pager-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.pager-card em{display:block;font-style:normal;font-size:12.5px;color:var(--ink-500);margin-bottom:6px}
.pager-card strong{display:block;font-size:16px;color:var(--ink-900);font-weight:600;line-height:1.5}
.pager-card:hover strong{color:var(--brand-600)}

/* ---------- Cards / grid ---------- */
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--brand-100)}
.card-cover{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:17.5px;line-height:1.5;margin:12px 0 10px}
.card:hover .card-body h3{color:var(--brand-600)}
.card-body p{font-size:14.5px;color:var(--ink-500);line-height:1.75}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--ink-500)}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  min-height:56px;display:flex;align-items:center;
  padding:14px 56px 14px 22px;font-size:16.5px;font-weight:600;color:var(--ink-900);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand-600);transition:transform .2s ease-out;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg)}
.faq-item[open] summary{color:var(--brand-700)}
.faq-item .faq-answer{padding:0 22px 20px;background:var(--soft);color:var(--ink-700);font-size:15px;line-height:1.78}
.faq-item .faq-answer p+ p{margin-top:12px}
.faq-item[open] .faq-answer{padding-top:16px;border-top:1px solid var(--line)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--sh-1);
  padding:36px 40px;display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  background-image:linear-gradient(90deg,rgba(228,239,252,.85),rgba(255,240,230,.55));
}
.cta-band h2{font-size:24px;margin-bottom:10px}
.cta-band p{color:var(--ink-700);max-width:56ch;font-size:15px}
.cta-band .cta-actions{margin-left:auto;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:#0E1729;color:#B9C4D6;margin-top:20px}
.site-footer .container{padding-top:64px;padding-bottom:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:44px}
.footer-brand .flogo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.8;color:#98A6BE;max-width:34ch}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li+li,.footer-contact li+li{margin-top:10px}
.footer-links a{color:#B9C4D6;font-size:14.5px}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-500);text-underline-offset:4px}
.footer-contact li{font-size:14.5px;color:#98A6BE;line-height:1.75}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:#8B99B1;
}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);
  background:var(--ink-900);color:#fff;font-size:14px;padding:12px 20px;border-radius:var(--r-btn);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,transform .2s ease-out;z-index:200;
}
.toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1040px}
  .article-wrap{grid-template-columns:minmax(0,1fr) 272px;gap:32px}
  .cta-band{padding:30px 28px}
}
@media (max-width:991px){
  :root{--sec-gap:64px}
  .main-nav{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:flex}
  .article-wrap{grid-template-columns:minmax(0,1fr);padding:40px 0 64px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap}
  .side-card{flex:1 1 260px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{padding:28px 26px 32px}
  .cta-band .cta-actions{margin-left:0;width:100%}
}
@media (max-width:767px){
  :root{--sec-gap:48px}
  body{font-size:15.5px}
  .container{padding:0 16px}
  .header-inner{gap:12px}
  .brand{font-size:16px}
  .brand .logo-full{max-width:15ch;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  .header-actions .btn-primary{height:38px;padding:0 14px;font-size:13.5px}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .article-hero .container{padding-bottom:32px}
  .article-hero h1{font-size:26px}
  .breadcrumb .current{max-width:30ch}
  .article-body{padding:22px 18px 26px}
  .article-content{font-size:16px}
  .article-content h2{font-size:20px;margin-top:34px}
  .article-content h3{font-size:17.5px}
  .grid-3,.grid-2{grid-template-columns:minmax(0,1fr)}
  .pager{grid-template-columns:minmax(0,1fr)}
  .action-band{flex-direction:column;align-items:flex-start}
  .action-band .band-actions{width:100%}
  .action-band .band-actions .btn{flex:1 1 auto}
  .cta-band{padding:24px 20px}
  .cta-band h2{font-size:20px}
  .cta-band .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .faq-item summary{font-size:15.5px;padding-right:48px}
}
@media (max-width:479px){
  .article-hero h1{font-size:24px}
  .btn{width:100%}
  .header-actions .btn{width:auto}
  .card-body{padding:16px 16px 18px}
  .side-card{padding:16px}
}

/* roulang page: category2 */
:root{
  --brand-500:#1B72E8;
  --brand-600:#1559BC;
  --brand-700:#0F4494;
  --brand-100:#E4EFFC;
  --accent-500:#FF7A2F;
  --accent-100:#FFF0E6;
  --accent-700:#B4491A;
  --ink-900:#131A2A;
  --ink-700:#3A4658;
  --ink-500:#6B7891;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E5EBF3;
  --success:#18A058;
  --warn:#E8A400;
  --danger:#D93838;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(19,26,42,.04),0 6px 18px rgba(19,26,42,.05);
  --shadow-2:0 10px 26px rgba(19,26,42,.10);
  --container:1200px;
  --sec-space:88px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1{font-size:40px;line-height:1.25;font-weight:700;color:var(--ink-900)}
h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--ink-900)}
h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink-900)}
p{font-size:16px;line-height:1.8}
:focus-visible{outline:3px solid rgba(27,114,232,.30);outline-offset:2px;border-radius:6px}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(19,26,42,.07)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:26px;height:26px;border-radius:8px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--brand-500),var(--brand-700));
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;right:-3px;bottom:-3px;width:10px;height:10px;
  border-radius:50%;background:var(--accent-500);border:2px solid var(--surface);
}
.brand-text{font-weight:700;font-size:18px;color:var(--brand-700);letter-spacing:.2px;white-space:nowrap}
.main-nav{flex:1 1 auto;display:flex;justify-content:center}
.main-nav ul{display:flex;align-items:center;gap:30px}
.main-nav a{
  position:relative;display:inline-block;line-height:68px;
  font-size:15px;color:var(--ink-700);font-weight:500;
  transition:color .2s ease-out;
}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:16px;height:2px;width:0;
  background:var(--brand-600);transition:width .2s ease-out;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:100%}
.main-nav a.active{color:var(--brand-700);font-weight:700}
.main-nav a.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out;
}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 2px 8px rgba(27,114,232,.24)}
.btn-primary:hover{background:var(--brand-600);box-shadow:0 8px 18px rgba(27,114,232,.26);transform:translateY(-2px)}
.btn-primary:active{background:var(--brand-700);transform:translateY(0)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 2px 8px rgba(255,122,47,.26)}
.btn-accent:hover{background:#F06A1F;box-shadow:0 8px 18px rgba(255,122,47,.28);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand-600);border:1.5px solid var(--brand-500)}
.btn-ghost:hover{background:var(--brand-100);transform:translateY(-2px)}
.btn-link{color:var(--brand-600);font-weight:600;display:inline-flex;align-items:center;gap:6px;padding:0}
.btn-link .arrow{transition:transform .2s ease-out;display:inline-block}
.btn-link:hover .arrow{transform:translateX(3px)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:var(--surface);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink-900);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,26,42,.45);opacity:0;visibility:hidden;
  transition:opacity .2s ease-out,visibility .2s ease-out;z-index:100;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:var(--surface);
  z-index:101;transform:translateX(100%);transition:transform .22s ease-out;
  display:flex;flex-direction:column;padding:20px;box-shadow:-10px 0 30px rgba(19,26,42,.12);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-title{font-weight:700;color:var(--brand-700);font-size:16px}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);font-size:20px;color:var(--ink-700);line-height:1}
.drawer-nav{margin-top:8px;flex:1 1 auto}
.drawer-nav a{display:block;line-height:48px;font-size:16px;color:var(--ink-700);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand-700);font-weight:700}
.drawer-foot{display:grid;gap:10px;padding-top:16px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;background:var(--brand-100);overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(27,114,232,.22);
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-500);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--brand-600)}
.crumb a:hover{text-decoration:underline}
.crumb .sep{color:#A9B5C8}
.hero-flex{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;background:var(--surface);color:var(--brand-700);
  border:1px solid rgba(27,114,232,.20);border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;padding:6px 14px;margin-bottom:18px;
}
.hero-copy h1{margin-bottom:16px}
.hero-copy p{max-width:640px;color:var(--ink-700)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:7px 14px;font-size:13px;color:var(--ink-700);
}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-card);
  background:var(--brand-100);box-shadow:var(--shadow-2);
}
.float-card{
  position:absolute;left:-18px;bottom:-22px;background:var(--surface);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);padding:16px 18px;min-width:220px;border:1px solid var(--line);
}
.float-card .fc-title{font-size:13px;color:var(--ink-500);margin-bottom:8px}
.float-card ul li{font-size:14px;color:var(--ink-900);display:flex;gap:8px;align-items:flex-start;line-height:1.7}
.float-card ul li+li{margin-top:6px}
.dot{width:6px;height:6px;border-radius:50%;background:var(--accent-500);flex:0 0 auto;margin-top:9px}

/* ---------- 主体区块 ---------- */
main{display:block}
.section{padding:var(--sec-space) 0}
.section-head{margin-bottom:32px;max-width:760px}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-600);
  letter-spacing:.6px;margin-bottom:10px;
}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--ink-500);font-size:15px}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 标签筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:10px;overflow-x:auto;padding:6px 4px 16px;
  scrollbar-width:thin;
}
.filter-bar::-webkit-scrollbar{height:6px}
.filter-bar::-webkit-scrollbar-thumb{background:#CFDCEC;border-radius:999px}
.filter-tab{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--radius-pill);
  background:var(--surface);border:1px solid var(--line);
  font-size:14px;color:var(--ink-700);font-weight:500;
  transition:all .2s ease-out;
}
.filter-tab:hover{border-color:var(--brand-100);color:var(--brand-600);background:var(--brand-100)}
.filter-tab.active{background:var(--brand-500);border-color:var(--brand-500);color:#fff;font-weight:600}
.filter-tab .count{font-size:12px;opacity:.75}
.filter-note{font-size:13px;color:var(--ink-500);padding-bottom:18px}

/* ---------- 两列卡网格 ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.card-media{position:relative;overflow:hidden;background:var(--brand-100)}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .badge{position:absolute;left:14px;top:14px}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:19px;transition:color .2s ease-out}
.card:hover .card-body h3{color:var(--brand-600)}
.card-body .desc{font-size:15px;color:var(--ink-700);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--ink-500);margin-top:auto;padding-top:6px;border-top:1px solid var(--line)}
.card-meta .mi{display:inline-flex;align-items:center;gap:6px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;border-radius:var(--radius-pill);
  padding:4px 10px;font-size:12px;font-weight:600;line-height:1.6;
}
.badge-brand{background:var(--brand-100);color:var(--brand-700)}
.badge-accent{background:var(--accent-100);color:var(--accent-700)}
.badge-soft{background:#EFF3F9;color:var(--ink-700)}

/* ---------- 步骤/说明区（深色区块） ---------- */
.dark-block{background:#0E1729;color:#B9C4D6;border-radius:16px;padding:44px 40px}
.dark-block h2{color:#fff;font-size:26px;margin-bottom:12px}
.dark-block .lead{color:#B9C4D6;max-width:720px;font-size:15px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:32px}
.step{padding:20px;border-radius:var(--radius-card);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09)}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;
  background:var(--accent-500);color:#fff;font-size:14px;font-weight:700;margin-bottom:12px;
}
.step h3{color:#fff;font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:#B9C4D6;line-height:1.75}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--brand-100);border-radius:16px;padding:30px 34px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-bar .cta-text h3{font-size:21px;margin-bottom:6px}
.cta-bar .cta-text p{font-size:14px;color:var(--ink-700)}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.icon-btn{
  width:44px;height:44px;border-radius:10px;border:1.5px solid var(--brand-500);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand-600);
  background:var(--surface);transition:all .2s ease-out;
}
.icon-btn:hover{background:var(--brand-500);color:#fff;transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:0 22px;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.faq-q:hover{color:var(--brand-600);background:#FAFCFF}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--brand-500);
  color:var(--brand-600);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-500);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease-out;background:#F8FAFD}
.faq-a-inner{padding:16px 22px 20px;font-size:15px;line-height:1.75;color:var(--ink-700)}
.faq-item.open .faq-a{max-height:420px}

/* ---------- 同类入口 ---------- */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.link-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:var(--brand-100)}
.link-card h3{font-size:17px}
.link-card p{font-size:14px;color:var(--ink-500)}
.link-card .go{font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;gap:6px;align-items:center;margin-top:auto}
.link-card:hover .go .arrow{transform:translateX(3px)}
.link-card .go .arrow{transition:transform .2s ease-out;display:inline-block}

/* ---------- 数据条 ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px 28px;
}
.stat .num{font-size:26px;font-weight:700;color:var(--brand-600);line-height:1.3}
.stat .label{font-size:13px;color:var(--ink-500);margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1729;color:#B9C4D6;padding:60px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px;padding-bottom:40px}
.footer-brand .flogo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .logo-mark::after{border-color:#0E1729}
.footer-brand p{font-size:14px;line-height:1.8;color:#B9C4D6;max-width:360px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-links li+li,.footer-contact li+li{margin-top:10px}
.footer-links a,.footer-contact li{font-size:14px;color:#B9C4D6}
.footer-links a{transition:color .2s ease-out}
.footer-links a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-500)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:18px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C9AB0;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  h1{font-size:34px}
  .main-nav ul{gap:22px}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:991px){
  :root{--sec-space:64px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary{display:none}
  .hero-flex{grid-template-columns:1fr;gap:32px}
  .hero-visual img{aspect-ratio:16/9}
  .float-card{position:static;margin-top:16px;left:auto;bottom:auto;width:100%}
  .card-grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .link-cards{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  h2{font-size:25px}
}
@media (max-width:767px){
  :root{--sec-space:48px}
  .container{padding:0 16px}
  h1{font-size:27px}
  h2{font-size:22px}
  h3{font-size:18px}
  body{font-size:15px}
  .header-inner{height:60px}
  .main-nav a{line-height:60px}
  .brand-text{font-size:16px}
  .page-hero .container{padding-top:36px;padding-bottom:40px}
  .card-grid-2{gap:18px}
  .cta-bar{padding:24px 20px;border-radius:14px}
  .dark-block{padding:30px 22px}
  .steps{grid-template-columns:1fr}
  .btn{width:auto}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}
@media (max-width:479px){
  h1{font-size:24px}
  h2{font-size:20px}
  .stat-strip{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:15px}
  .logo-mark{width:22px;height:22px}
}

/* roulang page: category3 */
:root{
  --brand-500:#1B72E8;
  --brand-600:#1559BC;
  --brand-700:#0F4494;
  --brand-100:#E4EFFC;
  --accent-500:#FF7A2F;
  --accent-600:#E96618;
  --accent-100:#FFF0E6;
  --ink-900:#131A2A;
  --ink-700:#3A4658;
  --ink-500:#6B7891;
  --bg:#F6F9FD;
  --surface:#FFFFFF;
  --line:#E5EBF3;
  --success:#18A058;
  --warn:#E8A400;
  --danger:#D93838;
  --radius-card:12px;
  --radius-btn:10px;
  --radius-lg:16px;
  --shadow-card:0 1px 2px rgba(19,26,42,.04),0 6px 18px rgba(19,26,42,.05);
  --shadow-hover:0 10px 26px rgba(19,26,42,.10);
  --shadow-nav:0 6px 20px rgba(19,26,42,.08);
  --fs-h1:40px;
  --fs-h2:30px;
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-badge:12px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:var(--fs-body);
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--brand-500);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;line-height:1.35;}
h1{font-size:var(--fs-h1);line-height:1.25;}
h2{font-size:var(--fs-h2);}
h3{font-size:var(--fs-h3);font-weight:600;line-height:1.5;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(27,114,232,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-nav);}
.header-inner{
  height:68px;display:flex;align-items:center;gap:28px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--brand-700);
  white-space:nowrap;flex-shrink:0;
}
.logo:hover{color:var(--brand-600);}
.logo-mark{
  width:14px;height:14px;border-radius:4px;
  background:var(--accent-500);
  display:inline-block;
  box-shadow:0 0 0 4px var(--accent-100);
}
.main-nav{flex:1;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;color:var(--ink-700);
  border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;
  height:2px;background:var(--brand-500);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease-out;
}
.main-nav a:hover{color:var(--brand-600);}
.main-nav a:hover::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand-700);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;
  font-size:15px;font-weight:600;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn-primary{background:var(--brand-500);color:#fff;box-shadow:0 4px 12px rgba(27,114,232,.22);}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(27,114,232,.26);}
.btn-primary:active{transform:translateY(0);}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:0 4px 12px rgba(255,122,47,.24);}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand-600);border-color:var(--brand-500);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-600);font-weight:600;font-size:15px;
}
.btn-text::after{content:"→";transition:transform .2s ease-out;}
.btn-text:hover::after{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:#fff;border-radius:10px;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink-900);border-radius:2px;transition:transform .2s ease-out;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(19,26,42,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:90;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;
  background:#fff;z-index:100;transform:translateX(100%);
  transition:transform .24s ease-out;display:flex;flex-direction:column;
  box-shadow:-10px 0 30px rgba(19,26,42,.12);
}
.drawer.open{transform:translateX(0);}
.drawer-head{
  height:68px;display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;border-bottom:1px solid var(--line);font-weight:700;color:var(--brand-700);
}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:#fff;font-size:20px;line-height:1;color:var(--ink-700);cursor:pointer;
}
.drawer nav{padding:12px 0;flex:1;overflow-y:auto;}
.drawer nav a{
  display:flex;align-items:center;min-height:48px;padding:0 20px;
  color:var(--ink-700);font-size:16px;border-bottom:1px solid var(--line);
}
.drawer nav a.active{color:var(--brand-700);font-weight:600;background:var(--brand-100);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);display:grid;gap:10px;}
.drawer-foot .btn{width:100%;}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  background:
    linear-gradient(115deg,rgba(228,239,252,.92) 0%,rgba(246,249,253,.96) 58%,rgba(255,240,230,.5) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:56px 0 64px;
}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:var(--fs-sm);color:var(--ink-500);margin-bottom:18px;
}
.crumb a{color:var(--ink-500);}
.crumb a:hover{color:var(--brand-600);}
.crumb .sep{color:#C3CDDC;}
.crumb .current{color:var(--ink-700);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:var(--fs-badge);font-weight:600;color:var(--brand-700);
  box-shadow:var(--shadow-card);margin-bottom:18px;
}
.hero-tag i{width:6px;height:6px;border-radius:50%;background:var(--accent-500);display:inline-block;}
.page-hero h1{max-width:640px;letter-spacing:-.2px;}
.page-hero .lead{
  margin-top:18px;max-width:640px;font-size:16px;color:var(--ink-700);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.chip{
  display:inline-flex;align-items:center;
  padding:6px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:var(--fs-sm);color:var(--ink-700);
}
.hero-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--brand-100);box-shadow:var(--shadow-card);
  aspect-ratio:16/11;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;inset:0;background:rgba(27,114,232,.10);
}
.hero-stat{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:#fff;border-radius:var(--radius-card);
  padding:14px 16px;box-shadow:var(--shadow-hover);
  display:grid;grid-template-columns:repeat(3,1fr);gap:8px;
  z-index:2;
}
.hero-stat div{text-align:center;}
.hero-stat strong{display:block;font-size:20px;color:var(--brand-700);line-height:1.3;}
.hero-stat span{font-size:var(--fs-badge);color:var(--ink-500);}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.section-head .sub{margin-top:10px;color:var(--ink-500);font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-block;font-size:var(--fs-badge);font-weight:700;letter-spacing:.08em;
  color:var(--brand-600);margin-bottom:10px;
}

/* ============ 瀑布大卡 ============ */
.masonry{column-count:3;column-gap:24px;}
.mcard{
  break-inside:avoid;
  display:inline-block;width:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  margin-bottom:24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.mcard:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-100);}
.mcard:hover h3{color:var(--brand-600);}
.mcard-media{
  position:relative;background:var(--brand-100);
  aspect-ratio:16/9;overflow:hidden;
}
.mcard-media.tall{aspect-ratio:4/3;}
.mcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease-out;}
.mcard:hover .mcard-media img{transform:scale(1.03);}
.mcard-body{padding:20px 22px 22px;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:999px;
  font-size:var(--fs-badge);font-weight:600;line-height:1.6;
}
.badge-brand{background:var(--brand-100);color:var(--brand-700);}
.badge-accent{background:var(--accent-100);color:#B4491A;}
.badge-soft{background:#F1F5FB;color:var(--ink-500);}
.mcard h3{margin-top:12px;font-size:18px;transition:color .2s ease-out;}
.mcard p{margin-top:10px;font-size:15px;color:var(--ink-700);}
.mcard .meta{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:var(--fs-badge);color:var(--ink-500);gap:10px;
}
.mcard .meta .state{display:inline-flex;align-items:center;gap:6px;}
.dot{width:6px;height:6px;border-radius:50%;display:inline-block;background:var(--success);}
.dot.warn{background:var(--warn);}
.dot.info{background:var(--brand-500);}

/* ============ 中部 CTA 条 ============ */
.mid-cta{
  margin-top:8px;
  background:linear-gradient(100deg,var(--brand-100) 0%,#F2F8FF 62%,var(--accent-100) 100%);
  border:1px solid #D7E6FA;
  border-radius:var(--radius-lg);
  padding:32px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.mid-cta h3{font-size:22px;}
.mid-cta p{margin-top:8px;color:var(--ink-700);font-size:15px;max-width:620px;}
.mid-cta .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 更新记录列表 ============ */
.log-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.log-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;display:flex;gap:16px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.log-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-100);}
.log-index{
  flex-shrink:0;width:42px;height:42px;border-radius:10px;
  background:var(--brand-100);color:var(--brand-700);
  font-weight:700;font-size:16px;display:flex;align-items:center;justify-content:center;
}
.log-item h3{font-size:16px;font-weight:600;}
.log-item p{margin-top:8px;font-size:14px;color:var(--ink-500);}
.log-item .date{margin-top:10px;font-size:var(--fs-badge);color:var(--ink-500);display:flex;align-items:center;gap:8px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out;
}
.faq-item.open{border-color:#CFE1FA;}
.faq-q{
  width:100%;min-height:56px;padding:16px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--brand-600);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1.5px solid var(--brand-500);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;transition:transform .22s ease-out,background-color .22s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand-100);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease-out;
  background:#F8FAFD;
}
.faq-a-inner{padding:16px 22px 20px;font-size:15px;line-height:1.75;color:var(--ink-700);}

/* ============ 同类入口 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.entry-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:26px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:var(--brand-100);}
.entry-card:hover h3{color:var(--brand-600);}
.entry-card h3{font-size:17px;transition:color .2s ease-out;}
.entry-card p{margin-top:10px;font-size:14px;color:var(--ink-500);}
.entry-card .go{margin-top:16px;font-size:14px;font-weight:600;color:var(--brand-600);display:inline-flex;align-items:center;gap:6px;}

/* ============ 页脚 ============ */
.site-footer{background:#0E1729;color:#B9C4D6;margin-top:0;padding:64px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;
  padding-bottom:44px;
}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-brand .flogo{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;
}
.footer-brand .logo-mark{box-shadow:0 0 0 4px rgba(255,122,47,.18);}
.footer-brand p{font-size:14px;line-height:1.8;color:#9DABC2;max-width:400px;}
.footer-links li,.footer-contact li{margin-bottom:10px;font-size:14px;color:#9DABC2;}
.footer-links a{color:#B9C4D6;border-bottom:1px solid transparent;transition:color .2s ease-out,border-color .2s ease-out;}
.footer-links a:hover{color:#fff;border-bottom-color:var(--brand-500);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;font-size:13px;color:#8394AC;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px;}
  .masonry{column-count:2;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-grid > div:last-child{grid-column:1/-1;}
}
@media (max-width:991px){
  :root{--fs-h1:34px;--fs-h2:26px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-actions .btn-ghost{display:none;}
  .hero-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .entry-grid{grid-template-columns:1fr 1fr;}
  .log-list{grid-template-columns:1fr;}
  .mid-cta{padding:26px 24px;}
}
@media (max-width:767px){
  :root{--fs-h1:28px;--fs-h2:23px;--fs-h3:18px;}
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .header-actions .btn-primary{height:38px;padding:0 12px;font-size:13px;}
  .hero-grid{grid-template-columns:1fr;gap:26px;}
  .page-hero{padding:36px 0 44px;}
  .masonry{column-count:1;}
  .entry-grid{grid-template-columns:1fr;}
  .mid-cta{flex-direction:column;align-items:flex-start;}
  .mid-cta .actions{width:100%;}
  .mid-cta .actions .btn{flex:1;min-width:150px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .site-footer{padding-top:44px;}
}
@media (max-width:479px){
  :root{--fs-h1:26px;--fs-h2:21px;}
  .header-actions .btn-sm{width:auto;}
  .btn{width:100%;}
  .hero-tags .chip{font-size:13px;}
  .btn-text{width:auto;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}