/* roulang page: index */
:root{
  --brand:#1E6FE0;
  --brand-dark:#1457B8;
  --brand-soft:#E9F1FD;
  --teal:#0FAE9A;
  --teal-soft:#E6F7F4;
  --coral:#FF6B3D;
  --coral-soft:#FFF1EB;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879C;
  --line:#E4E9F2;
  --line-soft:#E9EEF6;
  --page:#F5F8FC;
  --card:#FFFFFF;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(15,27,45,.04),0 6px 18px rgba(15,27,45,.06);
  --sh-2:0 14px 34px rgba(30,111,224,.14);
  --sh-3:0 20px 50px rgba(15,27,45,.12);
  --t:.25s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--page);
  text-align:left;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--t)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;line-height:1.3;letter-spacing:-.2px;font-weight:700}
h1{font-size:40px;line-height:1.3;letter-spacing:-.5px}
h2{font-size:30px;line-height:1.4}
h3{font-size:22px;line-height:1.45;font-weight:600}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0 0 20px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;padding:0 32px;margin:0 auto;width:100%}
.section{padding:96px 0}
.section-alt{background:#fff}
.section-head{max-width:760px;margin-bottom:36px}
.section-head .eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;line-height:1.6}
.section-head h2{margin-bottom:14px}
.section-head p{font-size:16px;color:var(--muted);margin:0}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand)}
.text-link i{transition:transform var(--t);font-size:12px}
.text-link:hover i{transform:translateX(3px)}

/* ---------- buttons ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-sm);padding:14px 28px;font-size:15px;font-weight:600;
  line-height:1.2;cursor:pointer;transition:background var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,111,224,.24)}
.btn-main:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--r-sm);padding:13px 26px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:background var(--t),transform var(--t),color var(--t);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--ink);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:13px 24px;font-size:15px;font-weight:600;transition:border-color var(--t),color var(--t),transform var(--t);
}
.btn-soft:hover{border-color:rgba(30,111,224,.4);color:var(--brand);transform:translateY(-1px)}

/* ---------- tags ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1.5;border-radius:999px;padding:4px 12px}
.tag-blue{background:var(--brand-soft);color:var(--brand-dark)}
.tag-teal{background:var(--teal-soft);color:#0B8878}
.tag-coral{background:var(--coral-soft);color:#D8501F}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,27,45,.07)}
.header-inner{display:flex;align-items:center;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
  box-shadow:0 6px 14px rgba(30,111,224,.28);
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.3px;white-space:nowrap}
.brand-accent{color:var(--brand)}
.nav-pills{background:var(--page);border-radius:999px;padding:5px;gap:4px;margin:0 auto}
.pill{
  display:inline-block;font-size:14px;font-weight:600;color:var(--text);
  padding:8px 18px;border-radius:999px;transition:background var(--t),color var(--t),box-shadow var(--t);
  white-space:nowrap;
}
.pill:hover{color:var(--brand);background:rgba(255,255,255,.7)}
.pill.active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(15,27,45,.08)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  cursor:pointer;transition:border-color var(--t),color var(--t),background var(--t);
}
.icon-btn:hover{border-color:rgba(30,111,224,.4);color:var(--brand);background:var(--brand-soft)}
.header-actions .btn-main{padding:11px 20px;font-size:14px;white-space:nowrap}
.header-search{display:none;border-top:1px solid var(--line);background:#fff}
.header-search.open{display:block}
.header-search .container{padding-top:14px;padding-bottom:14px}
.search-form{display:flex;gap:12px}
.search-form input{
  flex:1;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 16px;
  font-size:15px;color:var(--ink);background:var(--page);transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.search-form input::placeholder{color:var(--muted)}
.search-form input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 2px rgba(30,111,224,.18)}
.search-form .btn-main{padding:0 24px;height:48px}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.55);opacity:0;visibility:hidden;
  transition:opacity var(--t),visibility var(--t);z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{padding:12px 0;flex:1}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 12px;
  font-size:15px;font-weight:600;color:var(--ink);border-radius:var(--r-sm);transition:background var(--t),color var(--t);
}
.drawer-link i{font-size:12px;color:var(--muted)}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-link.active{background:var(--brand-soft);color:var(--brand)}
.drawer-cta{width:100%;margin-top:12px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;background:#fff}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.10;
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center}
.hero-left .eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--brand-dark);background:var(--brand-soft);border-radius:999px;padding:6px 16px;margin-bottom:20px}
.hero h1{margin-bottom:18px}
.hero-sub{font-size:18px;line-height:1.75;color:var(--text);max-width:560px;margin-bottom:28px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:30px}
.hero-stat strong{display:block;font-size:26px;font-weight:700;color:var(--brand);line-height:1.4}
.hero-stat span{font-size:14px;color:var(--muted)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-right{display:flex;justify-content:flex-end}
.phone-card{
  position:relative;width:100%;max-width:330px;aspect-ratio:9/16;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-3);background:#0F1B2D;
}
.phone-card img{width:100%;height:100%;object-fit:cover;opacity:.85}
.phone-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,27,45,.42) 0%,rgba(15,27,45,.12) 42%,rgba(15,27,45,.72) 100%)}
.phone-top{position:absolute;top:0;left:0;right:0;z-index:3;display:flex;align-items:center;gap:10px;padding:16px}
.phone-avatar{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.phone-top-info strong{display:block;font-size:13px;color:#fff;font-weight:600;line-height:1.4}
.phone-top-info span{font-size:11px;color:rgba(255,255,255,.72)}
.phone-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.92);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:0 12px 30px rgba(15,27,45,.28);
}
.phone-bottom{position:absolute;left:0;right:0;bottom:0;z-index:3;padding:18px}
.phone-bottom strong{display:block;color:#fff;font-size:15px;font-weight:600;line-height:1.5;margin-bottom:4px}
.phone-bottom span{font-size:12px;color:rgba(255,255,255,.75)}
.phone-time{
  position:absolute;right:14px;bottom:96px;z-index:3;background:rgba(15,27,45,.62);color:#fff;
  font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;
}
.phone-side{position:absolute;right:14px;top:50%;transform:translateY(-50%);z-index:3;display:flex;flex-direction:column;gap:18px;align-items:center}
.phone-side div{text-align:center;color:#fff;font-size:11px}
.phone-side i{display:block;font-size:18px;margin-bottom:4px}

/* ---------- clip cards ---------- */
.clip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.clip-card{
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,111,224,.3)}
.clip-thumb{position:relative;aspect-ratio:3/4;overflow:hidden;background:var(--page)}
.clip-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.clip-card:hover .clip-thumb img{transform:scale(1.03)}
.clip-thumb .tag{position:absolute;top:12px;left:12px;background:rgba(255,255,255,.94);color:var(--brand-dark);backdrop-filter:blur(4px)}
.clip-duration{
  position:absolute;right:12px;bottom:12px;background:rgba(255,107,61,.94);color:#fff;
  font-size:12px;font-weight:600;border-radius:999px;padding:3px 10px;
}
.clip-body{padding:18px 20px 22px}
.clip-body h3{font-size:17px;font-weight:600;margin-bottom:6px}
.clip-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.7}

/* ---------- checklist ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px;border-top:1px solid var(--line)}
.check-item{
  position:relative;display:flex;gap:22px;padding:26px 18px 26px 22px;border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.check-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;
  background:var(--brand);opacity:0;transition:opacity var(--t);
}
.check-item:hover{background:#fff}
.check-item:hover::before{opacity:1}
.check-num{font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:-1px;flex-shrink:0;min-width:48px}
.check-body h3{font-size:17px;font-weight:600;margin-bottom:6px}
.check-body p{font-size:14.5px;color:var(--muted);margin:0 0 10px;line-height:1.7}
.check-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--brand)}
.check-more i{font-size:11px;transition:transform var(--t)}
.check-more:hover i{transform:translateX(3px)}
.check-foot{margin-top:36px}

/* ---------- reviews ---------- */
.review-scroll{display:flex;gap:20px;overflow-x:auto;padding:4px 4px 20px;scroll-snap-type:x mandatory}
.review-scroll::-webkit-scrollbar{height:6px}
.review-scroll::-webkit-scrollbar-thumb{background:#D7E0EE;border-radius:999px}
.review-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--line-soft);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t);
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.review-avatar{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;flex-shrink:0;
}
.review-head strong{display:block;font-size:15px;color:var(--ink);font-weight:600;line-height:1.5}
.stars{color:var(--coral);font-size:12px;letter-spacing:2px}
.review-card p{font-size:15px;line-height:1.75;color:var(--text);margin:0 0 14px}
.review-time{font-size:13px;color:var(--muted);margin:0}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand-soft);border-radius:var(--r-lg);padding:56px 56px;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:rgba(30,111,224,.10);
}
.cta-band-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta-band h2{font-size:28px;margin-bottom:12px}
.cta-band p{font-size:16px;color:var(--text);margin:0}
.cta-band-action{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.cta-assure{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px}
.cta-assure span{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:500}
.cta-assure i{color:var(--teal);font-size:14px}

/* ---------- posts (CMS) ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);height:100%;
  display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,111,224,.3)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--page)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-body .tag{align-self:flex-start;margin-bottom:12px}
.post-title{font-size:17px;font-weight:600;line-height:1.55;margin-bottom:8px}
.post-title a{color:var(--ink)}
.post-title a:hover{color:var(--brand)}
.post-desc{font-size:14.5px;color:var(--muted);line-height:1.7;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px}
.post-meta a{font-weight:600;font-size:14px}
.empty-state{
  text-align:center;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
  padding:64px 24px;box-shadow:var(--sh-1);
}
.empty-state i{font-size:32px;color:var(--brand);margin-bottom:16px;display:block}
.empty-state strong{display:block;font-size:18px;color:var(--ink);margin-bottom:8px;font-weight:600}
.empty-state p{font-size:15px;color:var(--muted);margin:0 0 20px}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:var(--r-md) !important;margin-bottom:12px;
  overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;padding:20px 24px;
  box-shadow:none !important;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:var(--brand-soft)}
.accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);width:auto;height:auto;transform:none;transition:transform var(--t);
}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:none;color:var(--brand-dark)}
.accordion-body{padding:4px 24px 24px;font-size:15px;line-height:1.75;color:var(--text)}
.accordion-body p:last-child{margin-bottom:0}

/* ---------- footer ---------- */
.site-footer{background:#FAFBFE;border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:48px;padding-bottom:52px}
.footer-brand p{font-size:14.5px;color:var(--muted);margin:16px 0 0;line-height:1.75;max-width:280px}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:18px;color:var(--ink)}
.footer-col a{display:block;font-size:14.5px;color:var(--text);padding:6px 0;transition:color var(--t),transform var(--t)}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-sub p{font-size:14.5px;color:var(--muted);margin:0 0 16px;line-height:1.7}
.sub-form{display:flex;gap:10px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:170px;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 16px;font-size:14.5px;background:#fff;color:var(--ink);transition:border-color var(--t),box-shadow var(--t);
}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(30,111,224,.18)}
.sub-form .btn-main{padding:0 22px;height:48px}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .38s ease,transform .38s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .clip-grid{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:991.98px){
  h1{font-size:32px;line-height:1.35}
  h2{font-size:25px;line-height:1.4}
  .container{padding:0 24px}
  .section{padding:72px 0}
  .hero{padding:56px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-right{justify-content:flex-start}
  .phone-card{max-width:300px}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:44px 36px}
  .cta-band-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .check-list{grid-template-columns:1fr;gap:0}
}
@media (max-width:767.98px){
  h1{font-size:28px;line-height:1.38}
  h2{font-size:24px;line-height:1.4}
  h3{font-size:20px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .header-inner{height:56px;gap:12px}
  .brand-name{font-size:16px}
  .clip-grid{
    display:flex;overflow-x:auto;gap:16px;padding-bottom:16px;
    scroll-snap-type:x mandatory;
  }
  .clip-grid::-webkit-scrollbar{height:6px}
  .clip-grid::-webkit-scrollbar-thumb{background:#D7E0EE;border-radius:999px}
  .clip-card{flex:0 0 62%;scroll-snap-align:start}
  .post-grid{grid-template-columns:1fr}
  .hero-stats{gap:24px}
  .hero-stat strong{font-size:22px}
  .cta-band{padding:34px 24px;border-radius:var(--r-md)}
  .cta-assure{gap:14px}
  .cta-band-action{width:100%}
  .cta-band-action .btn-main{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .site-footer{padding-top:56px}
  .check-item{padding:22px 8px 22px 16px;gap:16px}
  .check-num{font-size:24px;min-width:40px}
  .review-card{flex:0 0 82%}
  .footer-bottom{flex-direction:column}
}
@media (max-width:519.98px){
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .search-form{flex-direction:column}
  .search-form .btn-main{width:100%}
}

/* roulang page: article */
:root{
  --brand:#1E6FE0;
  --brand-dark:#1457B8;
  --brand-soft:#E9F1FD;
  --teal:#0FAE9A;
  --teal-soft:#E6F7F4;
  --coral:#FF6B3D;
  --coral-soft:#FFF1EB;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879C;
  --line:#E4E9F2;
  --line-soft:#E9EEF6;
  --page:#F5F8FC;
  --card:#FFFFFF;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow-1:0 1px 2px rgba(15,27,45,.04), 0 6px 18px rgba(15,27,45,.06);
  --shadow-2:0 14px 34px rgba(30,111,224,.14);
  --shadow-3:0 20px 50px rgba(15,27,45,.12);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .25s var(--ease);}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;font-weight:700;line-height:1.35;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(15,27,45,.08);}
.header-inner{
  height:68px;
  display:flex;
  align-items:center;
  gap:24px;
  justify-content:space-between;
}
.brand{display:inline-flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;flex:none;
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.2px;}
.brand-accent{color:var(--brand);}
.nav-pills{
  background:var(--page);
  border-radius:999px;
  padding:5px;
  gap:4px;
  align-items:center;
}
.nav-pills .pill{
  display:inline-flex;align-items:center;
  height:36px;padding:0 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--text);
  transition:all .25s var(--ease);
  white-space:nowrap;
}
.nav-pills .pill:hover{color:var(--brand);background:rgba(255,255,255,.7);}
.nav-pills .pill.active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(15,27,45,.08);}
.header-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line-soft);background:#fff;color:var(--text);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .25s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(30,111,224,.3);background:var(--brand-soft);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-sm);
  background:transparent;color:var(--brand);border:1px solid rgba(30,111,224,.55);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:all .25s var(--ease);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);transform:translateY(-1px);}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.text-link i{transition:transform .25s var(--ease);}
.text-link:hover i{transform:translateX(3px);}
.header-search{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);border-top:1px solid transparent;}
.header-search.open{max-height:110px;border-top-color:var(--line);}
.search-form{display:flex;gap:12px;padding:16px 0;}
.search-form input{
  flex:1;height:48px;border-radius:var(--radius-sm);
  border:1px solid var(--line);padding:0 16px;font-size:15px;color:var(--ink);background:#fff;
  transition:all .25s var(--ease);
}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,224,.12);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.55);
  opacity:0;visibility:hidden;transition:.25s var(--ease);z-index:1040;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;
  background:#fff;z-index:1050;transform:translateX(105%);
  transition:transform .3s var(--ease);display:flex;flex-direction:column;
  box-shadow:var(--shadow-3);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line);}
.drawer-list{flex:1;overflow-y:auto;padding:8px 0;}
.drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 20px;color:var(--ink);font-weight:600;font-size:15px;
}
.drawer-list a:hover,.drawer-list a.active{background:var(--brand-soft);color:var(--brand);}
.drawer-foot{padding:16px 20px;border-top:1px solid var(--line);}
.drawer-foot .btn-main{width:100%;}
/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:14px 0;font-size:13px;color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C3CBD9;}
.crumb .now{color:var(--text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
/* ---------- article head ---------- */
.article-wrap{padding:48px 0 0;}
.article-head{max-width:860px;margin:0 auto;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:var(--teal-soft);color:#0B8A7B;
}
.tag-pill.blue{background:var(--brand-soft);color:var(--brand);}
.tag-pill.coral{background:var(--coral-soft);color:#D9512A;}
.article-head h1{
  font-size:34px;line-height:1.4;letter-spacing:-.5px;
  margin:18px 0 20px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:14px;color:var(--muted);padding-bottom:20px;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C3CBD9;display:inline-block;}
.meta-actions{margin-left:auto;display:flex;gap:10px;}
.meta-actions button{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line-soft);
  background:#fff;color:var(--muted);cursor:pointer;transition:all .25s var(--ease);
}
.meta-actions button:hover{color:var(--brand);border-color:rgba(30,111,224,.3);background:var(--brand-soft);}
.head-line{height:1px;background:var(--line);}
/* ---------- article body ---------- */
.article-body{
  max-width:760px;margin:0 auto;padding:36px 0 0;
  font-size:17px;line-height:1.9;color:var(--text);
}
.article-body p{margin:0 0 20px;}
.article-body h2{font-size:25px;line-height:1.42;margin:40px 0 16px;}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px;}
.article-body h4{font-size:18px;margin:22px 0 10px;}
.article-body ul{list-style:disc;padding-left:22px;margin:0 0 20px;}
.article-body ol{list-style:decimal;padding-left:22px;margin:0 0 20px;}
.article-body li{margin-bottom:8px;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--brand-soft);border-left:3px solid var(--brand);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#2B3B54;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-sm);margin:24px auto;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(30,111,224,.3);}
.article-body a:hover{border-bottom-color:var(--brand);}
.article-body strong{color:var(--ink);}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;}
.article-body th{background:var(--page);color:var(--ink);}
.article-body code{background:var(--page);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--brand-dark);}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.tip-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--brand-soft);border:1px solid rgba(30,111,224,.16);
  border-radius:var(--radius);padding:18px 20px;margin:26px 0;
  font-size:15.5px;line-height:1.75;color:#243550;
}
.tip-card i{color:var(--brand);margin-top:4px;}
.empty-state{
  max-width:760px;margin:0 auto;text-align:center;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:56px 28px;box-shadow:var(--shadow-1);
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}
/* ---------- tail ---------- */
.article-tail{max-width:760px;margin:0 auto;padding:32px 0 0;}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;padding:22px 0;border-top:1px solid var(--line);}
.tags-title{font-size:14px;color:var(--muted);margin-right:4px;align-self:center;}
.chip{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--text);font-size:13.5px;
  transition:all .25s var(--ease);
}
.chip:hover{border-color:rgba(30,111,224,.4);color:var(--brand);background:var(--brand-soft);}
.back-link{margin:8px 0 0;}
/* ---------- sections ---------- */
.section{padding:72px 0 0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:28px;letter-spacing:-.3px;}
.section-head p{color:var(--muted);margin:10px 0 0;font-size:15.5px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rec-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-1);transition:all .25s var(--ease);
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(30,111,224,.3);}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--page);}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .25s var(--ease);}
.rec-card:hover .rec-thumb img{transform:scale(1.03);}
.rec-body{padding:18px 20px 20px;}
.rec-body h3{font-size:17px;line-height:1.5;margin-bottom:8px;}
.rec-body .rec-desc{font-size:14.5px;color:var(--muted);margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;}
/* ---------- cta band ---------- */
.cta-band{
  margin-top:88px;
  background:var(--brand-soft);
  border-top:1px solid rgba(30,111,224,.14);
  border-bottom:1px solid rgba(30,111,224,.14);
  padding:56px 0;
}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;}
.cta-inner h2{font-size:24px;margin-bottom:8px;}
.cta-inner p{color:#31527F;margin:0;font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-points{display:flex;gap:26px;flex-wrap:wrap;margin-top:26px;padding-top:24px;border-top:1px solid rgba(30,111,224,.16);}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:#2B4A76;font-weight:600;}
.cta-points i{color:var(--brand);}
/* ---------- footer ---------- */
.site-footer{margin-top:0;background:#FAFBFE;border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.6fr;gap:32px;}
.footer-brand p{margin:16px 0 0;font-size:14.5px;color:var(--muted);max-width:280px;}
.footer-col h4{font-size:15px;margin-bottom:16px;}
.footer-col a{display:block;font-size:14.5px;color:var(--text);margin-bottom:12px;}
.footer-col a:hover{color:var(--brand);}
.footer-sub p{font-size:14.5px;color:var(--muted);margin:0 0 14px;}
.sub-form{display:flex;gap:10px;}
.sub-form input{
  flex:1;height:48px;border-radius:var(--radius-sm);border:1px solid var(--line);
  padding:0 14px;font-size:14.5px;background:#fff;transition:all .25s var(--ease);
}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,224,.12);}
.sub-form .btn-main{padding:0 20px;height:48px;}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:var(--muted);
}
/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .38s var(--ease),transform .38s var(--ease);}
.reveal.in{opacity:1;transform:none;}
/* ---------- responsive ---------- */
@media (max-width:991.98px){
  .container{padding:0 24px;}
  .header-inner{height:60px;gap:16px;}
  .article-head h1{font-size:28px;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767.98px){
  .section{padding:56px 0 0;}
  .article-wrap{padding:32px 0 0;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;margin-top:32px;}
  .article-body h3{font-size:19px;}
  .meta-actions{margin-left:0;width:100%;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .header-inner{height:56px;}
  .brand-name{font-size:16.5px;}
  .grid-3{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:23px;}
  .cta-band{padding:44px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .sub-form{flex-direction:column;}
  .sub-form .btn-main{width:100%;}
  .crumb .now{max-width:180px;}
}

/* roulang page: category1 */
:root{
  --brand:#1E6FE0;
  --brand-dark:#1457B8;
  --brand-soft:#E9F1FD;
  --brand-tint:#9CC6F8;
  --teal:#0FAE9A;
  --teal-soft:#E6F7F4;
  --coral:#FF6B3D;
  --coral-soft:#FFF1EB;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879C;
  --line:#E4E9F2;
  --bg:#F5F8FC;
  --card:#FFFFFF;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --sh-1:0 1px 2px rgba(15,27,45,.04),0 6px 18px rgba(15,27,45,.06);
  --sh-2:0 14px 34px rgba(30,111,224,.14);
  --sh-3:0 20px 50px rgba(15,27,45,.12);
  --ease:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,Roboto,sans-serif;
  font-size:16px;line-height:1.75;color:var(--text);background:var(--bg);
  -webkit-font-smoothing:antialiased;text-align:left;overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.35;letter-spacing:-.3px}
p{margin:0}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease)}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block}
ol,ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-soft);padding:5px 14px;border-radius:999px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px}
.section-head h2{font-size:30px;margin-top:14px;max-width:640px}
.section-lead{font-size:16px;color:var(--muted);max-width:420px;line-height:1.8}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .35s cubic-bezier(.4,0,.2,1),transform .35s cubic-bezier(.4,0,.2,1)}
.reveal.in{opacity:1;transform:none}

/* ============ 按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;background:var(--brand);color:#fff;border:1px solid var(--brand);
  border-radius:var(--r-md);font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:var(--ease);
}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:none}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;background:transparent;color:var(--brand);border:1px solid var(--brand);
  border-radius:var(--r-md);font-size:15px;font-weight:600;line-height:1;cursor:pointer;transition:var(--ease);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.btn-link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand)}
.btn-link-arrow i{transition:transform var(--ease)}
.btn-link-arrow:hover i{transform:translateX(3px)}

/* ============ 顶栏 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--ease)}
.site-header.scrolled{box-shadow:0 6px 24px rgba(15,27,45,.07)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:15px}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.4px}
.brand-accent{color:var(--brand)}
.site-header .nav-pills{display:flex;align-items:center;gap:4px;background:var(--bg);border-radius:999px;padding:5px;margin:0 auto}
.site-header .pill{padding:8px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text);white-space:nowrap;transition:var(--ease)}
.site-header .pill:hover{color:var(--brand);background:rgba(255,255,255,.7)}
.site-header .pill.active{background:#fff;color:var(--brand);font-weight:600;box-shadow:0 2px 8px rgba(15,27,45,.08)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:15px;cursor:pointer;transition:var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(30,111,224,.3)}
.header-actions .btn-main{padding:11px 18px;font-size:14px}
.header-search{max-height:0;overflow:hidden;background:var(--bg);border-top:1px solid transparent;transition:max-height var(--ease),border-color var(--ease)}
.header-search.open{max-height:96px;border-top-color:var(--line)}
.search-form{display:flex;gap:12px;padding:16px 0}
.search-form input{
  flex:1;height:48px;border:1px solid var(--line);background:#fff;border-radius:var(--r-md);
  padding:0 18px;font-size:15px;color:var(--ink);transition:var(--ease);
}
.search-form input::placeholder{color:var(--muted)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(30,111,224,.2)}
.search-form .btn-main{padding:0 24px;height:48px}

/* ============ 移动抽屉 ============ */
.drawer-mask{position:fixed;inset:0;background:rgba(15,27,45,.55);opacity:0;visibility:hidden;transition:var(--ease);z-index:1040}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;width:84vw;max-width:380px;height:100%;background:#fff;z-index:1050;
  transform:translateX(100%);transition:transform var(--ease);display:flex;flex-direction:column;padding:20px;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;flex:1}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 6px;
  font-size:16px;font-weight:500;color:var(--ink);border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand)}
.drawer-nav a i{font-size:12px;color:var(--muted)}
.drawer-cta{padding-top:20px}
.drawer-cta .btn-main{width:100%}

/* ============ Hero ============ */
.page-hero{position:relative;overflow:hidden;background:#0F1B2D;padding:76px 0 84px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.9}
.hero-veil{position:absolute;inset:0;background:linear-gradient(115deg,rgba(15,27,45,.88) 0%,rgba(15,27,45,.62) 55%,rgba(15,27,45,.45) 100%)}
.hero-inner{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#fff;background:rgba(30,111,224,.9);padding:6px 16px;border-radius:999px}
.page-hero h1{color:#fff;font-size:40px;line-height:1.3;margin:20px 0 18px;letter-spacing:-.5px;max-width:620px}
.hero-sub{color:rgba(255,255,255,.82);font-size:17px;line-height:1.8;max-width:540px}
.hero-stats{display:flex;gap:40px;margin:36px 0 32px;flex-wrap:wrap}
.hero-stats div{position:relative;padding-left:14px}
.hero-stats div::before{content:"";position:absolute;left:0;top:6px;width:3px;height:34px;border-radius:2px;background:var(--brand)}
.hero-stats strong{display:block;font-size:28px;font-weight:700;color:#fff;line-height:1.2}
.hero-stats span{font-size:14px;color:rgba(255,255,255,.72)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.55);background:rgba(255,255,255,.06)}
.hero-cta .btn-ghost:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff}

/* 竖屏卡 */
.phone-wrap{display:flex;justify-content:center}
.phone-card{
  position:relative;width:100%;max-width:296px;aspect-ratio:9/16;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(255,255,255,.2);box-shadow:var(--sh-3);background:#0B1524;
}
.phone-card img{width:100%;height:100%;object-fit:cover}
.phone-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,27,45,.6) 0%,rgba(15,27,45,.1) 38%,rgba(15,27,45,.78) 100%)}
.phone-top{position:absolute;top:14px;left:14px;right:14px;z-index:3;display:flex;align-items:center;gap:8px;color:#fff;font-size:13px;font-weight:600}
.phone-top .dot-avatar{width:26px;height:26px;border-radius:9px;background:var(--brand);display:grid;place-items:center;font-size:11px}
.phone-live{margin-left:auto;font-size:11px;font-weight:600;color:#fff;background:rgba(15,174,154,.9);padding:3px 10px;border-radius:999px}
.phone-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:3;
  width:60px;height:60px;border-radius:50%;border:none;background:rgba(255,255,255,.92);color:var(--brand);
  font-size:19px;display:grid;place-items:center;cursor:default;box-shadow:0 10px 26px rgba(15,27,45,.28);
}
.phone-caption{position:absolute;left:14px;bottom:16px;right:74px;z-index:3;color:#fff;font-size:14px;font-weight:600;line-height:1.6}
.phone-duration{position:absolute;right:14px;bottom:16px;z-index:3;font-size:12px;font-weight:600;color:#fff;background:var(--coral);padding:3px 10px;border-radius:999px}
.phone-side{position:absolute;right:12px;top:50%;transform:translateY(-50%);z-index:3;display:flex;flex-direction:column;gap:16px;align-items:center}
.phone-side span{display:flex;flex-direction:column;align-items:center;gap:3px;font-size:10px;color:rgba(255,255,255,.85)}
.phone-side i{font-size:17px;color:#fff}

/* ============ 参数卡 ============ */
.param-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.param-card{background:var(--card);border:1px solid #E9EEF6;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1);transition:var(--ease)}
.param-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,111,224,.3)}
.param-card .p-icon{width:42px;height:42px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:16px;margin-bottom:16px}
.param-card h3{font-size:18px;margin-bottom:8px}
.param-card p{font-size:14px;line-height:1.75;color:var(--muted)}
.param-card .p-meta{margin-top:14px;font-size:13px;font-weight:600;color:var(--teal)}
.param-card.c-teal .p-icon{background:var(--teal-soft);color:var(--teal)}

/* ============ 筛选胶囊 ============ */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.filter-chip{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--text);cursor:pointer;transition:var(--ease);
}
.filter-chip:hover{border-color:rgba(30,111,224,.4);color:var(--brand)}
.filter-chip.active{background:var(--brand-soft);border-color:rgba(30,111,224,.35);color:var(--brand);font-weight:600}

/* ============ 内容网格 + 侧栏 ============ */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.entry-card{background:var(--card);border:1px solid #E9EEF6;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:var(--ease);display:flex;flex-direction:column}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,111,224,.3)}
.entry-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.entry-card:hover .entry-thumb img{transform:scale(1.03)}
.entry-thumb .tag{position:absolute;left:14px;top:14px}
.tag{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand)}
.tag-teal{background:var(--teal-soft);color:var(--teal)}
.tag-coral{background:var(--coral-soft);color:var(--coral)}
.entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.entry-body h3{font-size:19px;margin-bottom:10px;line-height:1.5}
.entry-body p{font-size:15px;line-height:1.8;color:var(--text)}
.entry-meta{display:flex;align-items:center;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.entry-meta i{color:var(--brand);margin-right:5px}

.side-box{background:var(--card);border:1px solid #E9EEF6;border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.side-box h3{font-size:18px;margin-bottom:6px}
.side-box .side-sub{font-size:13px;color:var(--muted);margin-bottom:16px}
.rank-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line);transition:var(--ease)}
.rank-list li:last-child{border-bottom:none;padding-bottom:0}
.rank-list li:hover .rank-title{color:var(--brand)}
.rank-num{font-size:16px;font-weight:700;color:var(--brand-tint);flex-shrink:0;width:26px;line-height:1.5}
.rank-title{display:block;font-size:15px;font-weight:600;color:var(--ink);line-height:1.55;transition:color var(--ease)}
.rank-desc{font-size:13px;color:var(--muted);margin-top:4px}
.side-cta{margin-top:20px;background:linear-gradient(160deg,#E9F1FD,#F7FAFF);border:1px solid rgba(30,111,224,.18);border-radius:var(--r-lg);padding:24px}
.side-cta h4{font-size:17px;margin-bottom:8px}
.side-cta p{font-size:14px;color:var(--text);margin-bottom:16px;line-height:1.75}
.side-cta .btn-main{width:100%;padding:12px 20px;font-size:14px}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-item{position:relative;background:#fff;border:1px solid #E9EEF6;border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh-1);transition:var(--ease)}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(30,111,224,.3)}
.step-num{font-size:32px;font-weight:700;color:var(--brand-soft);line-height:1;letter-spacing:-1px}
.step-item h3{font-size:17px;margin:10px 0 8px}
.step-item p{font-size:14px;color:var(--muted);line-height:1.75}
.step-item::after{content:"";position:absolute;right:-12px;top:44px;width:24px;height:1px;background:var(--line)}
.steps .step-item:last-child::after{display:none}

/* ============ 自查清单 ============ */
.check-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.check-panel{background:#fff;border:1px solid #E9EEF6;border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh-1)}
.check-panel h3{font-size:22px;margin-bottom:10px}
.check-panel > p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:22px}
.check-list li{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line);transition:var(--ease)}
.check-list li:first-child{border-top:none;padding-top:0}
.check-list i{color:var(--teal);font-size:17px;margin-top:4px;flex-shrink:0}
.check-list strong{display:block;font-size:16px;color:var(--ink);font-weight:600;margin-bottom:4px}
.check-list span{font-size:14px;color:var(--muted);line-height:1.75}
.tip-stack{display:flex;flex-direction:column;gap:18px}
.tip-card{background:var(--brand-soft);border-radius:var(--r-lg);padding:24px;border-left:3px solid var(--brand);transition:var(--ease)}
.tip-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.tip-card h4{font-size:16px;margin-bottom:8px}
.tip-card p{font-size:14px;line-height:1.8;color:var(--text)}
.tip-card.t-teal{background:var(--teal-soft);border-left-color:var(--teal)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1)}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);padding:20px 24px;background:#fff;
  box-shadow:none !important;border-radius:var(--r-lg) !important;transition:var(--ease);
}
.accordion-button:hover{background:var(--brand-soft);color:var(--brand)}
.accordion-button:not(.collapsed){background:#fff;color:var(--brand)}
.accordion-button::after{background-image:none;content:"\2b";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--brand);width:auto;height:auto;display:grid;place-items:center;transition:transform var(--ease)}
.accordion-button:not(.collapsed)::after{content:"\f068";transform:none}
.accordion-body{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--text)}

/* ============ CTA ============ */
.cta-band{background:var(--brand-soft);padding:72px 0}
.cta-card{background:#fff;border-radius:var(--r-xl);padding:40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;box-shadow:var(--sh-1)}
.cta-card h2{font-size:26px;margin-bottom:8px}
.cta-card p{font-size:15px;color:var(--muted);max-width:520px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-points{display:flex;gap:32px;flex-wrap:wrap;margin-top:24px}
.cta-points span{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--ink)}
.cta-points i{color:var(--teal)}

/* ============ 页脚 ============ */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.8;margin-top:16px;max-width:280px}
.footer-col h4{font-size:15px;margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--text);padding:6px 0;transition:var(--ease)}
.footer-col a:hover{color:var(--brand);transform:translateX(3px)}
.footer-sub p{font-size:14px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;min-width:0;height:48px;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 16px;font-size:14px;color:var(--ink);transition:var(--ease);
}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(30,111,224,.2)}
.sub-form .btn-main{padding:0 20px;height:48px;font-size:14px}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:100%}
  .section{padding:80px 0}
}
@media (max-width:991px){
  .container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .header-inner{height:64px}
  .page-hero{padding:56px 0 64px}
  .page-hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .phone-wrap{margin-top:36px}
  .param-grid{grid-template-columns:repeat(2,1fr)}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-item::after{display:none}
  .check-wrap{grid-template-columns:1fr;gap:24px}
  .section-head h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-card{padding:32px}
}
@media (max-width:767px){
  .page-hero h1{font-size:28px;line-height:1.38}
  .hero-stats{gap:24px;margin:28px 0}
  .hero-stats strong{font-size:24px}
  .entry-grid{grid-template-columns:1fr}
  .entry-body h3{font-size:18px}
  .cta-card h2{font-size:22px}
  .cta-points{gap:16px}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:56px 0}
  .brand-name{font-size:16px}
  .param-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-cta .btn-main,.hero-cta .btn-ghost{width:100%}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .section-head{margin-bottom:26px}
  .section-head h2{font-size:23px}
  .check-panel{padding:24px}
}

/* roulang page: category2 */
:root{
  --brand:#1E6FE0;
  --brand-dark:#1457B8;
  --brand-soft:#E9F1FD;
  --mint:#0FAE9A;
  --mint-soft:#E6F7F4;
  --coral:#FF6B3D;
  --coral-soft:#FFF1EB;
  --ink:#0F1B2D;
  --text:#44536B;
  --muted:#7A879C;
  --line:#E4E9F2;
  --page:#F5F8FC;
  --card:#FFFFFF;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(15,27,45,.04),0 6px 18px rgba(15,27,45,.06);
  --sh-2:0 14px 34px rgba(30,111,224,.14);
  --sh-3:0 20px 50px rgba(15,27,45,.12);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--page);
  text-align:left;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease),background-color .25s var(--ease),border-color .25s var(--ease)}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:700;letter-spacing:-.2px}
h1{font-size:40px;line-height:1.28;letter-spacing:-.5px}
h2{font-size:30px}
h3{font-size:22px;font-weight:600}
h4{font-size:18px;font-weight:600}
p{margin:0 0 20px;max-width:62em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{margin-bottom:36px;max-width:760px}
.section-head h2{margin-bottom:14px}
.section-head .sub{font-size:16px;color:var(--muted);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(15,27,45,.07)}
.header-inner{
  height:68px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:24px;height:24px;flex:0 0 24px;
  border-radius:8px;
  background:var(--brand);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;
  box-shadow:0 4px 10px rgba(30,111,224,.28);
}
.brand-name{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.3px}
.brand-accent{color:var(--brand)}
.nav-pills{
  display:flex;align-items:center;gap:4px;
  background:var(--page);
  border-radius:999px;
  padding:5px;
}
.pill{
  font-size:15px;font-weight:600;color:var(--text);
  padding:8px 18px;border-radius:999px;
  white-space:nowrap;
  transition:all .25s var(--ease);
}
.pill:hover{color:var(--brand);background:rgba(255,255,255,.7)}
.pill.active{background:#fff;color:var(--brand);box-shadow:0 2px 8px rgba(15,27,45,.08)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;cursor:pointer;
  transition:all .25s var(--ease);
}
.icon-btn:hover{border-color:rgba(30,111,224,.35);color:var(--brand);background:var(--brand-soft)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;
  border:none;border-radius:var(--r-sm);
  padding:14px 28px;
  font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;
  transition:all .25s var(--ease);
  box-shadow:0 6px 16px rgba(30,111,224,.22);
}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(30,111,224,.28)}
.btn-main:active{transform:translateY(0)}
.btn-sm-main{padding:11px 20px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);
  border:1px solid var(--brand);border-radius:var(--r-sm);
  padding:13px 26px;font-size:15px;font-weight:600;
  cursor:pointer;transition:all .25s var(--ease);
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-arrow i{transition:transform .25s var(--ease);font-size:12px}
.link-arrow:hover i{transform:translateX(3px)}
.header-search{display:none;border-top:1px solid var(--line);background:#fff}
.header-search.is-open{display:block}
.search-form{
  display:flex;gap:12px;padding:16px 0;
}
.search-form input{
  flex:1;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:var(--page);
  padding:0 16px;font-size:15px;color:var(--ink);
  transition:all .25s var(--ease);
}
.search-form input::placeholder{color:var(--muted)}
.search-form input:focus{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,224,.12);outline:none}
/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.55);
  opacity:0;visibility:hidden;transition:all .25s var(--ease);z-index:1040;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:380px;
  background:#fff;z-index:1050;
  transform:translateX(100%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;
  box-shadow:var(--sh-3);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{
  height:60px;display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.drawer-nav{padding:12px 12px 0;flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 16px;border-radius:var(--r-sm);
  font-size:16px;font-weight:600;color:var(--text);
}
.drawer-nav a i{font-size:12px;color:var(--muted)}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.active{background:var(--brand-soft);color:var(--brand)}
.drawer-nav a.active i{color:var(--brand)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line)}
.drawer-foot .btn-main{width:100%}
/* ---------- hero band ---------- */
.hero-band{
  position:relative;
  background-color:#EAF2FD;
  background-image:linear-gradient(100deg,rgba(233,241,253,.95) 0%,rgba(240,246,254,.92) 48%,rgba(233,241,253,.88) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  padding:72px 0;
  overflow:hidden;
}
.hero-band-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:center;
}
.hero-band h1{margin-bottom:18px;max-width:15em}
.hero-band .lead{
  font-size:17px;line-height:1.8;color:var(--text);
  max-width:34em;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.quick-stats{display:flex;flex-wrap:wrap;gap:36px}
.quick-stat strong{
  display:block;font-size:26px;font-weight:700;color:var(--brand);letter-spacing:-.5px;line-height:1.2;
}
.quick-stat span{font-size:14px;color:var(--muted)}
.hero-thumb{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid rgba(30,111,224,.18);
  box-shadow:var(--sh-2);
  background:#fff;
}
.hero-thumb img{width:100%;aspect-ratio:3/4;object-fit:cover}
.hero-thumb .thumb-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(15,27,45,.72);color:#fff;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;
}
.hero-thumb .thumb-note{
  position:absolute;left:0;right:0;bottom:0;
  padding:18px 16px 16px;
  background:linear-gradient(to top,rgba(15,27,45,.78),rgba(15,27,45,0));
  color:#fff;font-size:14px;font-weight:600;line-height:1.6;
}
/* ---------- snapshot ---------- */
.snapshot{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;
}
.snap-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:all .25s var(--ease);
}
.snap-card:hover{transform:translateY(-4px);border-color:rgba(30,111,224,.3);box-shadow:var(--sh-2)}
.snap-card .num{
  font-size:30px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:-.5px;
  margin-bottom:8px;
}
.snap-card h4{margin-bottom:8px}
.snap-card p{font-size:15px;color:var(--muted);line-height:1.7}
/* ---------- guide list ---------- */
.guide-list{display:flex;flex-direction:column}
.guide-row{
  display:grid;
  grid-template-columns:320px minmax(0,1fr);
  gap:32px;
  align-items:center;
  padding:28px 24px;
  margin:0 -24px;
  border-radius:var(--r-lg);
  border-bottom:1px solid var(--line);
  transition:background-color .25s var(--ease),box-shadow .25s var(--ease);
}
.guide-row:last-child{border-bottom:none}
.guide-row:hover{background:var(--brand-soft)}
.guide-thumb{border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);background:#fff}
.guide-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .25s var(--ease)}
.guide-row:hover .guide-thumb img{transform:scale(1.03)}
.guide-body h3{margin-bottom:10px}
.guide-body p{font-size:15px;color:var(--text);margin-bottom:14px;max-width:52em}
.guide-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:600;letter-spacing:.2px;
  padding:5px 12px;border-radius:999px;
}
.tag-brand{background:var(--brand-soft);color:var(--brand-dark)}
.tag-mint{background:var(--mint-soft);color:#0A8578}
.tag-coral{background:var(--coral-soft);color:#D8491F}
.read-time{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.guide-row:hover .link-arrow{color:var(--brand-dark)}
/* ---------- points ---------- */
.points-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.points-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.points-grid .point:nth-child(even){transform:translateY(28px)}
.point{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
  transition:all .25s var(--ease);
}
.point:hover{transform:translateY(-4px);border-color:rgba(30,111,224,.3);box-shadow:var(--sh-2)}
.points-grid .point:nth-child(even):hover{transform:translateY(24px)}
.point .point-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--brand-soft);color:var(--brand);
  font-size:15px;font-weight:700;margin-bottom:16px;
}
.point h3{margin-bottom:10px;font-size:19px}
.point p{font-size:15px;color:var(--muted);margin:0}
/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);margin-bottom:12px;
  overflow:hidden;transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.faq-item:hover{border-color:rgba(30,111,224,.28)}
.faq-q button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:none;text-align:left;cursor:pointer;
  padding:22px 24px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .25s var(--ease);
}
.faq-q button:hover{color:var(--brand)}
.faq-q .faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .28s var(--ease);
}
.faq-q button[aria-expanded="true"]{color:var(--brand)}
.faq-q button[aria-expanded="true"] .faq-icon{transform:rotate(180deg)}
.faq-a{padding:0 24px 22px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--text);margin:0}
/* ---------- cta ---------- */
.cta-band{
  background-color:#E9F1FD;
  background-image:linear-gradient(95deg,rgba(233,241,253,.96),rgba(238,245,254,.9)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-radius:var(--r-lg);
  border:1px solid rgba(30,111,224,.16);
  padding:48px;
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:40px;align-items:center;
}
.cta-band h2{font-size:28px;margin-bottom:12px}
.cta-band p{margin:0;font-size:16px;color:var(--text);max-width:44em}
.cta-side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:8px}
.cta-point{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--text);font-weight:500}
.cta-point i{color:var(--mint)}
/* ---------- footer ---------- */
.site-footer{background:#FAFBFE;border-top:1px solid var(--line);padding:72px 0 0;margin-top:96px}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand p{font-size:14px;color:var(--muted);margin:16px 0 0;max-width:26em;line-height:1.75}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink)}
.footer-col a{display:block;font-size:14px;color:var(--text);margin-bottom:12px}
.footer-col a:hover{color:var(--brand)}
.footer-sub p{font-size:14px;color:var(--muted);margin:0 0 16px;line-height:1.7}
.sub-form{display:flex;gap:10px}
.sub-form input{
  flex:1;min-width:0;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;padding:0 14px;
  font-size:14px;color:var(--ink);transition:all .25s var(--ease);
}
.sub-form input::placeholder{color:var(--muted)}
.sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,111,224,.12);outline:none}
.sub-form .btn-main{padding:0 20px;height:48px;font-size:14px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  h1{font-size:36px}
  .guide-row{grid-template-columns:280px minmax(0,1fr)}
}
@media (max-width:991.98px){
  .container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  h1{font-size:32px}
  h2{font-size:26px}
  .hero-band{padding:56px 0}
  .hero-band-grid{grid-template-columns:minmax(0,1fr);gap:36px}
  .hero-thumb{max-width:320px}
  .hero-thumb img{aspect-ratio:4/3}
  .snapshot{grid-template-columns:repeat(2,minmax(0,1fr))}
  .guide-row{grid-template-columns:240px minmax(0,1fr);gap:24px;margin:0 -16px;padding:24px 16px}
  .points-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767.98px){
  .header-inner{height:56px}
  .brand-name{font-size:16px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  h1{font-size:28px;line-height:1.38}
  h2{font-size:24px}
  h3{font-size:19px}
  .hero-band{padding:44px 0}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .quick-stats{gap:24px}
  .quick-stat strong{font-size:22px}
  .snapshot{grid-template-columns:minmax(0,1fr)}
  .guide-row{
    grid-template-columns:minmax(0,1fr);
    gap:18px;
    margin:0 -16px;
    padding:20px 16px;
  }
  .points-grid{grid-template-columns:minmax(0,1fr);gap:16px}
  .points-grid .point:nth-child(even){transform:none}
  .points-grid .point:nth-child(even):hover{transform:translateY(-4px)}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .sub-form{flex-wrap:wrap}
  .sub-form .btn-main{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .search-form{flex-wrap:wrap}
  .search-form input{min-width:0;width:100%}
  .search-form .btn-main{width:100%}
  .hero-thumb{max-width:100%}
}