/* roulang page: index */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-teal:#0E7C66;
  --c-teal-soft:#E6F2EF;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-block:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 6px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sec:96px;
  --font-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald",ui-sans-serif,system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{letter-spacing:-.3px;margin:0;font-weight:700;color:var(--c-text);}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container,
.container-lg,
.container-md,
.container-sm,
.container-xl{max-width:1160px;padding-left:20px;padding-right:20px;margin:0 auto;}
@media (min-width:1400px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:1240px;}}
@media (max-width:1199.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:960px;}}
@media (max-width:991.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:720px;}}
@media (max-width:767.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{max-width:100%;padding-left:20px;padding-right:20px;}}
@media (max-width:575.98px){.container,.container-lg,.container-md,.container-sm,.container-xl{padding-left:16px;padding-right:16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{background:#fff;box-shadow:0 6px 24px rgba(20,22,26,.08);}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px;position:relative;}
.brand{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:19px;letter-spacing:-.3px;white-space:nowrap;line-height:1;}
.brand-mark{color:var(--c-ink);}
.brand-mark::after{content:"";display:block;height:3px;width:100%;background:var(--c-primary);border-radius:2px;margin-top:3px;}
.brand-sub{color:var(--c-primary);background:rgba(255,92,40,.1);padding:4px 8px;border-radius:999px;font-size:14px;}
.brand:hover .brand-sub{background:var(--c-primary);color:#fff;}
.main-nav{display:flex;align-items:center;gap:22px;flex:1;}
.nav-link-top{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:600;color:var(--c-text);white-space:nowrap;
}
.nav-link-top::after{
  content:"";position:absolute;left:0;bottom:-2px;height:3px;width:0;border-radius:2px;
  background:var(--c-primary);transition:width .2s ease;
}
.nav-link-top:hover{color:var(--c-primary);}
.nav-link-top:hover::after{width:100%;}
.nav-link-top.active{color:var(--c-primary);}
.nav-link-top.active::after{width:100%;}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-muted);display:inline-flex;align-items:center;justify-content:center;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px);}
.btn-pill-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:1px solid var(--c-primary);
  background:var(--c-primary);color:#fff;font-weight:700;font-size:15px;line-height:1;
  box-shadow:0 4px 14px rgba(255,92,40,.24);
}
.btn-pill-main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,92,40,.3);}
.btn-pill-main:active{transform:translateY(0);}
.btn-pill-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;color:var(--c-text);font-weight:600;font-size:15px;line-height:1;
}
.btn-pill-ghost:hover{border-color:var(--c-ink);transform:translateY(-1px);}
.btn-pill-light-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.32);
  background:transparent;color:#fff;font-weight:600;font-size:15px;line-height:1;
}
.btn-pill-light-outline:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px);}

/* mega dropdown */
.mega-wrap{position:static;}
.nav-more{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;font-size:14px;font-weight:600;color:var(--c-muted);
}
.nav-more .fa-chevron-down{font-size:10px;transition:transform .2s ease;}
.nav-more:hover{color:var(--c-ink);border-color:var(--c-ink);}
.mega-wrap.show .nav-more,.mega-wrap:hover .nav-more{background:var(--c-paper);border-color:var(--c-ink);color:var(--c-ink);}
.mega-wrap.show .nav-more .fa-chevron-down,.mega-wrap:hover .nav-more .fa-chevron-down{transform:rotate(180deg);}
.mega-menu{
  border:1px solid var(--c-line);border-radius:24px;box-shadow:var(--sh-2);
  padding:24px;background:#fff;margin-top:14px;
  width:min(760px,calc(100vw - 40px));
}
@media (min-width:992px){
  .mega-menu{
    position:absolute;left:0;right:0;top:100%;margin-left:auto;margin-right:auto;
    transform:none !important;
  }
  .mega-wrap:hover .mega-menu{display:block;}
}
.mega-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px;}
.mega-col-title{font-size:12px;letter-spacing:.5px;color:var(--c-muted);font-weight:700;margin-bottom:12px;text-transform:uppercase;}
.mega-link{display:flex;align-items:flex-start;gap:10px;padding:9px 0;font-size:14px;font-weight:600;color:var(--c-text);border-bottom:1px dashed var(--c-line);}
.mega-link:last-child{border-bottom:0;}
.mega-link i{color:var(--c-teal);font-size:12px;margin-top:7px;}
.mega-link small{display:block;font-weight:400;color:var(--c-muted);font-size:12.5px;line-height:1.6;}
.mega-link:hover{color:var(--c-primary);transform:translateX(2px);}
.mega-card{background:var(--c-paper);border:1px solid var(--c-line);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:10px;}
.mega-card img{width:100%;aspect-ratio:4/3;border-radius:12px;}
.mega-card p{font-size:13px;color:var(--c-muted);margin:0;line-height:1.7;}

/* mobile nav */
.menu-btn{width:42px;height:42px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);display:none;align-items:center;justify-content:center;}
.mobile-nav{border-left:1px solid var(--c-line);width:min(360px,88vw);}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.mobile-nav .offcanvas-body{padding:20px;}
.mobile-nav .offcanvas-footer{border-top:1px solid var(--c-line);padding:16px 20px;background:var(--c-paper);}
.m-link{display:block;padding:13px 4px;font-size:16px;font-weight:600;border-bottom:1px solid var(--c-line);}
.m-link.active{color:var(--c-primary);}
.m-acc .accordion-item{border:0;background:transparent;}
.m-acc .accordion-button{
  padding:13px 4px;font-size:16px;font-weight:600;background:transparent;box-shadow:none;color:var(--c-text);
}
.m-acc .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;box-shadow:none;}
.m-acc .accordion-button::after{width:14px;height:14px;background-size:14px;}
.m-acc .accordion-body{padding:4px 4px 14px;}
.m-acc .accordion-body a{display:block;padding:9px 0;font-size:14.5px;color:var(--c-muted);border-bottom:1px dashed var(--c-line);}
.m-acc .accordion-body a:hover{color:var(--c-primary);}

/* ---------- hero ---------- */
.hero{padding:56px 0 0;}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.tag-soft{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--c-teal-soft);color:var(--c-teal);
  font-size:12.5px;font-weight:700;letter-spacing:.5px;
}
.tag-soft i{font-size:11px;}
.hero h1{
  font-size:44px;line-height:1.15;font-weight:800;margin:20px 0 18px;letter-spacing:-.6px;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{font-size:17px;color:var(--c-muted);max-width:520px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px;}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--c-line);padding-top:22px;max-width:520px;}
.stat-item{padding-right:16px;border-right:1px solid var(--c-line);}
.stat-item:last-child{border-right:0;padding-right:0;padding-left:16px;}
.stat-item:first-child{padding-left:0;}
.stat-num{font-family:var(--font-num);font-size:28px;font-weight:700;line-height:1;color:var(--c-ink);letter-spacing:0;}
.stat-num span{font-size:14px;color:var(--c-primary);margin-left:2px;}
.stat-label{font-size:12.5px;color:var(--c-muted);margin-top:8px;line-height:1.5;}

.reel-card{
  position:relative;width:100%;max-width:360px;margin:0 auto;
  aspect-ratio:9/16;border-radius:24px;overflow:hidden;
  border:1px solid rgba(20,22,26,.85);box-shadow:var(--sh-2);background:var(--c-ink);
}
.reel-card img{width:100%;height:100%;object-fit:cover;}
.reel-card::before,.reel-card::after{
  content:"";position:absolute;width:22px;height:22px;border:1px solid rgba(255,255,255,.6);z-index:3;
}
.reel-card::before{top:16px;left:16px;border-right:0;border-bottom:0;border-radius:6px 0 0 0;}
.reel-card::after{bottom:16px;right:16px;border-left:0;border-top:0;border-radius:0 0 6px 0;}
.reel-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,26,.05) 0%,rgba(20,22,26,0) 38%,rgba(20,22,26,.82) 100%);z-index:1;}
.reel-play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:56px;height:56px;border-radius:50%;border:0;background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:18px;z-index:2;
  box-shadow:0 10px 24px rgba(255,92,40,.4);transition:transform .2s ease,background-color .2s ease;
}
.reel-play:hover{background:var(--c-primary-dark);transform:translate(-50%,-50%) scale(1.06);}
.reel-foot{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2;color:#fff;}
.reel-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.5px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);
  padding:4px 10px;border-radius:var(--r-pill);margin-bottom:10px;
}
.reel-title{font-size:15px;font-weight:600;line-height:1.5;color:#fff;}

/* ---------- sections ---------- */
.section{padding:var(--sec) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;}
.section-head h2{font-size:30px;line-height:1.25;font-weight:700;}
.section-head p{color:var(--c-muted);font-size:15px;margin:10px 0 0;max-width:640px;}
.link-more{font-size:14px;font-weight:700;color:var(--c-primary);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--c-primary-dark);gap:10px;}

/* rail */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 4px 20px;scrollbar-width:thin;
}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:99px;}
.rail-card{
  flex:0 0 220px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:12px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rail-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d8d2c6;}
.rail-cover{position:relative;border-radius:var(--r-img);overflow:hidden;aspect-ratio:9/13;margin-bottom:12px;background:var(--c-line);}
.rail-cover img{width:100%;height:100%;transition:transform .2s ease;}
.rail-card:hover .rail-cover img{transform:scale(1.03);}
.rail-num{
  position:absolute;left:10px;top:10px;
  font-family:var(--font-num);font-size:12px;letter-spacing:.5px;
  background:rgba(20,22,26,.72);color:#fff;padding:3px 9px;border-radius:var(--r-pill);
}
.rail-title{
  font-size:14.5px;font-weight:600;line-height:1.5;margin-bottom:10px;color:var(--c-text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px;
}
.rail-card:hover .rail-title{color:var(--c-primary);}
.rail-tags{display:flex;flex-wrap:wrap;gap:6px;}
.chip{
  font-size:12px;letter-spacing:.5px;padding:3px 9px;border-radius:var(--r-pill);
  background:var(--c-teal-soft);color:var(--c-teal);border:1px solid rgba(14,124,102,.16);
}
.chip-plain{background:var(--c-paper);color:var(--c-muted);border:1px solid var(--c-line);}

/* pick list */
.pick-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:40px;align-items:start;}
.pick-item{
  display:grid;grid-template-columns:64px 1fr 32px;gap:16px;align-items:center;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.pick-item:first-child{padding-top:0;}
.pick-item:last-child{border-bottom:0;}
.pick-num{font-family:var(--font-num);font-size:36px;font-weight:500;color:var(--c-line);line-height:1;letter-spacing:0;}
.pick-item:hover .pick-num{color:var(--c-primary);}
.pick-item h3{font-size:18px;font-weight:700;margin-bottom:6px;line-height:1.4;}
.pick-item p{font-size:14.5px;color:var(--c-muted);margin:0;line-height:1.7;}
.pick-arrow{color:var(--c-line);font-size:15px;text-align:right;transition:color .2s ease,transform .2s ease;}
.pick-item:hover .pick-arrow{color:var(--c-primary);transform:translateX(4px);}
.pick-side{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:20px;box-shadow:var(--sh-1);position:sticky;top:96px;
}
.pick-side img{width:100%;aspect-ratio:4/3;border-radius:var(--r-img);margin-bottom:16px;}
.pick-side h3{font-size:19px;font-weight:700;margin-bottom:8px;}
.pick-side p{font-size:14px;color:var(--c-muted);margin-bottom:18px;}
.pick-side .btn-pill-main{width:100%;}

/* posts */
.post-card{
  height:100%;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-card .cat-badge{align-self:flex-start;margin-bottom:14px;}
.cat-badge{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.5px;font-weight:700;
  padding:4px 11px;border-radius:var(--r-pill);
  background:var(--c-teal-soft);color:var(--c-teal);border:1px solid rgba(14,124,102,.16);
}
.post-card h3{
  font-size:17px;line-height:1.5;font-weight:700;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card:hover h3{color:var(--c-primary);}
.post-card p{
  font-size:14px;color:var(--c-muted);line-height:1.75;margin-bottom:18px;
  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;gap:12px;
  padding-top:14px;border-top:1px solid var(--c-line);
  font-family:var(--font-num);font-size:13px;letter-spacing:.5px;color:var(--c-muted);
}
.post-meta .go{color:var(--c-primary);}
.empty-card{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-block);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-card i{font-size:26px;color:var(--c-line);display:block;margin-bottom:14px;}
.empty-card p{color:var(--c-muted);font-size:15px;margin-bottom:20px;}

/* voices */
.voice-band{
  border:1px solid var(--c-line);border-radius:var(--r-block);
  background:linear-gradient(180deg,#fff 0%,#FDFAF5 100%);
  padding:28px;
}
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0;}
.voice{padding:20px 24px;border-right:1px dashed var(--c-line);}
.voice:last-child{border-right:0;}
.voice:nth-child(2){transform:translateY(18px);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:var(--c-teal-soft);color:var(--c-teal);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:15px;
}
.voice-name{font-size:14.5px;font-weight:700;line-height:1.3;}
.voice-time{font-family:var(--font-num);font-size:12px;letter-spacing:.5px;color:var(--c-muted);}
.voice-text{font-size:14.5px;color:#3a3d42;margin:0;line-height:1.75;}

/* dark band */
.buy-band{
  margin-top:var(--sec);
  background:var(--c-ink);color:#fff;position:relative;overflow:hidden;
}
.buy-stripe{
  height:8px;width:100%;
  background:repeating-linear-gradient(45deg,var(--c-primary) 0 12px,transparent 12px 24px);
  opacity:.85;
}
.buy-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:center;padding:64px 0;}
.buy-inner h2{font-size:30px;color:#fff;line-height:1.3;margin-bottom:14px;}
.buy-inner .lead{color:rgba(255,255,255,.68);font-size:15px;margin-bottom:28px;max-width:520px;}
.steps{display:grid;gap:0;}
.step{display:flex;gap:16px;align-items:flex-start;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.1);}
.step:last-child{border-bottom:0;}
.step-num{
  font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--c-primary);
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,92,40,.5);
  display:flex;align-items:center;justify-content:center;flex:0 0 34px;
}
.step-t{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:2px;}
.step-d{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.7;margin:0;}
.buy-cta-box{
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-block);
  padding:24px;color:#fff;
}
.buy-cta-box h3{font-size:19px;color:#fff;margin-bottom:8px;}
.buy-cta-box p{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:20px;}
.buy-cta-box .btn-pill-main{width:100%;margin-bottom:12px;}
.buy-cta-box .btn-pill-light-outline{width:100%;}

/* faq */
.faq-accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:0;background:#fff;overflow:hidden;
}
.faq-accordion .accordion-item:first-of-type{border-radius:16px 16px 0 0;}
.faq-accordion .accordion-item:last-of-type{border-radius:0 0 16px 16px;}
.faq-accordion .accordion-item + .accordion-item{margin-top:-1px;}
.faq-accordion .accordion-button{
  display:flex;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16.5px;font-weight:700;color:var(--c-text);
  background:#fff;box-shadow:none;border:0;border-radius:0;
}
.faq-accordion .accordion-button::after{display:none;}
.faq-accordion .accordion-button::before{
  content:"+";order:2;font-size:20px;font-weight:400;line-height:1;color:var(--c-muted);
  width:20px;text-align:center;flex:0 0 20px;
}
.faq-accordion .accordion-button:not(.collapsed){
  color:var(--c-primary);background:#fff;box-shadow:inset 4px 0 0 var(--c-primary);
}
.faq-accordion .accordion-button:not(.collapsed)::before{content:"−";color:var(--c-primary);}
.faq-accordion .accordion-button:hover{color:var(--c-primary);}
.faq-accordion .accordion-body{
  padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--c-muted);
}

/* footer */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:var(--sec);}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{background:rgba(255,92,40,.16);color:#FF8A63;}
.footer-desc{font-size:14px;color:rgba(255,255,255,.6);margin:18px 0 22px;line-height:1.8;max-width:300px;}
.qr-box{
  width:96px;height:96px;border-radius:12px;border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:11.5px;line-height:1.5;color:rgba(255,255,255,.5);padding:8px;background:rgba(255,255,255,.04);
}
.footer-title{font-size:13px;font-weight:700;color:#fff;letter-spacing:.5px;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62);display:inline-block;}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-note{font-size:13.5px;color:rgba(255,255,255,.6);line-height:1.9;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* responsive */
@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .pick-grid{gap:32px;}
  .mega-grid{grid-template-columns:1fr 1fr 1fr;}
}
@media (max-width:991.98px){
  .main-nav,.nav-more{display:none;}
  .menu-btn{display:inline-flex;}
  .hero{padding:40px 0 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:34px;}
  .hero-sub{max-width:100%;}
  .reel-card{max-width:320px;}
  .pick-grid{grid-template-columns:1fr;}
  .pick-side{position:static;}
  .voice-grid{grid-template-columns:1fr;}
  .voice{border-right:0;border-bottom:1px dashed var(--c-line);padding:18px 0;}
  .voice:last-child{border-bottom:0;}
  .voice:nth-child(2){transform:none;}
  .buy-inner{grid-template-columns:1fr;gap:32px;padding:48px 0;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 36px;}
  .section{padding-top:72px;}
  .buy-band{margin-top:72px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:767.98px){
  .hero h1{font-size:30px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .rail-card{flex:0 0 76%;}
  .rail-wrap::before,.rail-wrap::after{
    content:"";position:absolute;top:0;bottom:20px;width:28px;pointer-events:none;z-index:2;
  }
  .rail-wrap::before{left:0;background:linear-gradient(90deg,var(--c-paper),rgba(250,248,244,0));}
  .rail-wrap::after{right:0;background:linear-gradient(270deg,var(--c-paper),rgba(250,248,244,0));}
  .stat-row{grid-template-columns:1fr 1fr 1fr;}
  .stat-num{font-size:24px;}
  .pick-item{grid-template-columns:48px 1fr 24px;gap:12px;}
  .pick-num{font-size:28px;}
  .buy-inner h2{font-size:24px;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .hero h1{font-size:27px;line-height:1.2;}
  .hero-cta .btn-pill-main,.hero-cta .btn-pill-ghost{flex:1 1 100%;}
  .stat-item{padding-right:10px;}
  .stat-item:last-child{padding-left:10px;}
  .brand{font-size:17px;}
  .brand-sub{font-size:13px;padding:3px 7px;}
  .post-card{padding:16px;}
  .voice-band{padding:18px;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .rail-card:hover,.post-card:hover,.pick-item:hover .pick-arrow,.footer-list a:hover,
  .btn-pill-main:hover,.btn-pill-ghost:hover,.icon-btn:hover,.rail-card:hover .rail-cover img{transform:none !important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-primary-soft:#FFF1EB;
  --c-teal:#0E7C66;
  --c-teal-soft:#E8F3F0;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-lg:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 6px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --sp-sec:96px;
  --ff-base:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-num:"Barlow Condensed","PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--ff-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--c-text);text-decoration:none;transition:color .2s ease,transform .2s ease;}
a:hover{color:var(--c-primary);}
img{max-width:100%;display:block;object-fit:cover;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;color:var(--c-text);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1160px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
  --bs-gutter-x:0;
}
@media (min-width:768px) and (max-width:991.98px){.container{max-width:744px;}}
@media (min-width:992px) and (max-width:1199.98px){.container{max-width:984px;}}
@media (min-width:1200px){.container{max-width:1160px;}}
@media (min-width:1400px){.container{max-width:1240px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.4px;
  white-space:nowrap;
  color:var(--c-ink);
}
.brand-mark{color:var(--c-ink);}
.brand-sub{
  color:var(--c-primary);
  position:relative;
}
.brand-sub::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:3px;
  border-radius:3px;
  background:var(--c-primary);
  opacity:.85;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:8px;
}
.nav-link-top{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link-top::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;
  height:3px;
  border-radius:3px;
  background:var(--c-primary);
  transition:width .2s ease;
}
.nav-link-top:hover::after{width:100%;}
.nav-link-top.active{color:var(--c-primary);}
.nav-link-top.active::after{width:100%;}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--r-pill);
  color:var(--c-text);
  font-size:15px;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.mega-wrap{position:static;}
.mega-trigger{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:40px;
  padding:0 16px;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--r-pill);
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  transition:all .2s ease;
}
.mega-trigger:hover{background:var(--c-paper);border-color:var(--c-line);color:var(--c-primary);}
.mega-trigger .caret{
  width:8px;height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
  transition:transform .2s ease;
}
.mega-wrap.open .mega-trigger{background:var(--c-paper);color:var(--c-primary);}
.mega-wrap.open .mega-trigger .caret{transform:rotate(-135deg) translateY(-2px);}
.mega-menu{
  position:absolute;
  top:calc(100% + 1px);
  left:50%;
  transform:translateX(-50%) translateY(10px);
  width:740px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  padding:24px;
  display:grid;
  grid-template-columns:1fr 1fr 240px;
  gap:24px;
  opacity:0;
  visibility:hidden;
  pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap.open .mega-menu,
.mega-wrap:hover .mega-menu{
  opacity:1;
  visibility:visible;
  pointer-events:auto;
  transform:translateX(-50%) translateY(0);
}
.mega-col-title{
  font-size:12px;
  letter-spacing:.5px;
  color:var(--c-muted);
  font-weight:600;
  margin-bottom:10px;
}
.mega-link{
  display:block;
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  padding:8px 0;
  border-bottom:1px dashed var(--c-line);
}
.mega-link:last-child{border-bottom:0;}
.mega-link:hover{color:var(--c-primary);transform:translateX(2px);}
.mega-card{
  background:var(--c-paper);
  border-radius:var(--r-card);
  padding:12px;
  border:1px solid var(--c-line);
}
.mega-card img{
  width:100%;
  aspect-ratio:4/3;
  border-radius:var(--r-img);
  margin-bottom:12px;
}
.mega-card p{font-size:13px;color:var(--c-muted);line-height:1.7;margin-bottom:10px;}
.search-panel{
  display:none;
  border-top:1px solid var(--c-line);
  background:#fff;
  padding:16px 0;
}
.search-panel.open{display:block;}
.search-form{
  display:flex;
  gap:12px;
}
.form-input{
  flex:1;
  height:44px;
  padding:0 16px;
  border:1px solid var(--c-line);
  border-radius:var(--r-input);
  background:#fff;
  font-size:15px;
  color:var(--c-text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-input::placeholder{color:var(--c-muted);}
.form-input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(255,92,40,.15);
}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:#fff;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:var(--c-text);
  border-radius:2px;
  transform:translateX(-50%);
  transition:all .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;}
.nav-toggle span::after{content:"";top:6px;}

/* ---------- Buttons ---------- */
.btn{
  border-radius:var(--r-pill);
  font-weight:600;
  font-size:15px;
  padding:12px 26px;
  transition:all .2s ease;
  border:1px solid transparent;
}
.btn-primary{
  --bs-btn-bg:var(--c-primary);
  --bs-btn-border-color:var(--c-primary);
  --bs-btn-color:#fff;
  --bs-btn-hover-bg:var(--c-primary-dark);
  --bs-btn-hover-border-color:var(--c-primary-dark);
  --bs-btn-hover-color:#fff;
  --bs-btn-active-bg:var(--c-primary-dark);
  --bs-btn-active-border-color:var(--c-primary-dark);
  --bs-btn-active-color:#fff;
  --bs-btn-padding-x:26px;
  --bs-btn-padding-y:12px;
  --bs-btn-border-radius:999px;
  --bs-btn-font-weight:600;
  --bs-btn-focus-shadow-rgb:255,92,40;
  box-shadow:none;
}
.btn-primary:hover{transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  --bs-btn-color:var(--c-text);
  --bs-btn-border-color:var(--c-line);
  --bs-btn-bg:#fff;
  --bs-btn-hover-bg:var(--c-paper);
  --bs-btn-hover-color:var(--c-primary);
  --bs-btn-hover-border-color:var(--c-primary);
  --bs-btn-active-bg:var(--c-paper);
  --bs-btn-active-color:var(--c-primary);
  --bs-btn-active-border-color:var(--c-primary);
  --bs-btn-padding-x:26px;
  --bs-btn-padding-y:12px;
  --bs-btn-border-radius:999px;
  --bs-btn-font-weight:600;
}
.btn-ghost-light{
  --bs-btn-color:#fff;
  --bs-btn-bg:transparent;
  --bs-btn-border-color:rgba(255,255,255,.35);
  --bs-btn-hover-bg:rgba(255,255,255,.12);
  --bs-btn-hover-color:#fff;
  --bs-btn-hover-border-color:rgba(255,255,255,.6);
  --bs-btn-active-bg:rgba(255,255,255,.16);
  --bs-btn-active-color:#fff;
  --bs-btn-active-border-color:rgba(255,255,255,.6);
  --bs-btn-padding-x:26px;
  --bs-btn-padding-y:12px;
  --bs-btn-border-radius:999px;
  --bs-btn-font-weight:600;
}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- Breadcrumb ---------- */
.crumb-bar{
  padding:20px 0 0;
}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  flex-wrap:wrap;
}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{opacity:.55;}
.crumb .current{color:var(--c-text);font-weight:600;}

/* ---------- Page head ---------- */
.page-head{
  padding:36px 0 40px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--c-teal-soft);
  color:var(--c-teal);
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  border:1px solid rgba(14,124,102,.18);
  margin-bottom:18px;
}
.page-head h1{
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  margin-bottom:16px;
  max-width:860px;
}
.page-lead{
  font-size:17px;
  color:var(--c-muted);
  max-width:680px;
}
.page-lead strong{color:var(--c-text);font-weight:600;}

/* ---------- Section base ---------- */
.sec{padding:0 0 var(--sp-sec);}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.sec-head h2{
  font-size:30px;
  font-weight:700;
}
.sec-head .sub{
  font-size:14px;
  color:var(--c-muted);
  margin-top:8px;
}
.sec-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  white-space:nowrap;
}
.sec-link:hover{color:var(--c-primary-dark);}

/* ---------- Stats strip ---------- */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:8px;
  box-shadow:var(--sh-1);
}
.stat{
  padding:24px 20px;
  border-right:1px dashed var(--c-line);
}
.stat:last-child{border-right:0;}
.stat-num{
  font-family:var(--ff-num);
  font-size:42px;
  line-height:1;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:0;
  margin-bottom:10px;
  display:flex;
  align-items:baseline;
  gap:4px;
}
.stat-num small{
  font-family:var(--ff-base);
  font-size:13px;
  font-weight:600;
  color:var(--c-muted);
  letter-spacing:0;
}
.stat p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.75;
}
.stat b{color:var(--c-text);font-weight:600;}

/* ---------- Vertical card grid ---------- */
.vgrid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.vcard{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:12px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.vcard:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:#D9D2C6;
}
.vcard-media{
  position:relative;
  display:block;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:9/16;
  background:#EFEBE3;
}
.vcard-media img{
  width:100%;
  height:100%;
  transition:transform .3s ease;
}
.vcard:hover .vcard-media img{transform:scale(1.03);}
.vcard-badge{
  position:absolute;
  left:10px;
  top:10px;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(20,22,26,.72);
  color:#fff;
  font-family:var(--ff-num);
  font-size:13px;
  letter-spacing:.5px;
  backdrop-filter:blur(2px);
}
.vcard-corner{
  position:absolute;
  width:16px;height:16px;
  border:1.5px solid rgba(255,255,255,.75);
}
.vcard-corner.tl{left:12px;top:44px;border-right:0;border-bottom:0;}
.vcard-corner.br{right:12px;bottom:12px;border-left:0;border-top:0;}
.vcard-body{padding:16px 6px 8px;}
.vcard-body h3{
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.vcard:hover .vcard-body h3{color:var(--c-primary);}
.vcard-body p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:14px;
}
.tagline{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:var(--c-teal-soft);
  color:var(--c-teal);
  font-size:12px;
  font-weight:600;
  letter-spacing:.5px;
  border:1px solid rgba(14,124,102,.16);
}
.tag.warm{
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  border-color:rgba(255,92,40,.2);
}

/* ---------- Cross category ---------- */
.cross-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
}
.cross-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:18px 20px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  font-size:15px;
  font-weight:600;
  transition:all .2s ease;
}
.cross-item i{color:var(--c-muted);font-size:13px;transition:all .2s ease;}
.cross-item:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  transform:translateY(-2px);
  box-shadow:var(--sh-1);
}
.cross-item:hover i{color:var(--c-primary);transform:translateX(3px);}
.cross-item.current{
  background:var(--c-primary-soft);
  border-color:rgba(255,92,40,.35);
  color:var(--c-primary-dark);
}
.cross-item.current i{color:var(--c-primary-dark);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;}
.accordion{
  --bs-accordion-border-radius:0;
  --bs-accordion-inner-border-radius:0;
  --bs-accordion-bg:#fff;
  --bs-accordion-border-color:var(--c-line);
  --bs-accordion-btn-focus-box-shadow:none;
}
.accordion .accordion-item{
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:0;
  overflow:hidden;
}
.accordion .accordion-item:first-child{border-radius:var(--r-card) var(--r-card) 0 0;}
.accordion .accordion-item:last-child{border-radius:0 0 var(--r-card) var(--r-card);}
.accordion .accordion-item + .accordion-item{margin-top:-1px;}
.accordion-button{
  position:relative;
  font-size:17px;
  font-weight:600;
  color:var(--c-text);
  background:#fff;
  padding:20px 56px 20px 22px;
  border-radius:0 !important;
  box-shadow:none !important;
  transition:background .2s ease,color .2s ease;
}
.accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:var(--c-primary-soft);
  box-shadow:inset 4px 0 0 var(--c-primary) !important;
}
.accordion-button::after{
  content:"";
  position:absolute;
  right:22px;
  top:50%;
  width:20px;height:20px;
  margin:0;
  transform:translateY(-50%) !important;
  background-image:linear-gradient(var(--c-muted),var(--c-muted)),linear-gradient(var(--c-muted),var(--c-muted));
  background-size:14px 2px,2px 14px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  transition:background-size .2s ease;
}
.accordion-button:not(.collapsed)::after{
  background-image:linear-gradient(var(--c-primary),var(--c-primary)),linear-gradient(var(--c-primary),var(--c-primary));
  background-size:14px 2px,0 14px;
}
.accordion-body{
  padding:16px 22px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
  border-top:1px solid var(--c-line);
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;
  background:var(--c-ink);
  border-radius:var(--r-lg);
  padding:52px;
  overflow:hidden;
  color:#fff;
}
.cta-band::before{
  content:"";
  position:absolute;
  left:0;right:0;top:0;
  height:8px;
  background:repeating-linear-gradient(135deg,var(--c-primary) 0 12px,transparent 12px 24px);
  opacity:.9;
}
.cta-inner{
  display:grid;
  grid-template-columns:1.4fr 1fr;
  gap:40px;
  align-items:center;
}
.cta-band h2{
  color:#fff;
  font-size:30px;
  font-weight:700;
  margin-bottom:12px;
}
.cta-band p{
  color:rgba(255,255,255,.68);
  font-size:15px;
  max-width:520px;
}
.cta-steps{
  display:flex;
  gap:28px;
  margin-top:26px;
  flex-wrap:wrap;
}
.cta-step{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.82);
}
.cta-step b{
  font-family:var(--ff-num);
  font-size:26px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1;
}
.cta-action{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:14px;
  justify-self:end;
}
.cta-action .hint{
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.cta-card{
  background:var(--c-ink-2);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-card);
  padding:20px;
  width:100%;
}
.cta-card .cta-action{justify-self:stretch;align-items:stretch;}
.cta-card .btn{width:100%;text-align:center;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 0;
  margin-top:0;
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:#fff;font-size:20px;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:var(--c-primary);}
.footer-desc{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
  margin:18px 0 22px;
}
.qr-box{
  width:120px;height:120px;
  border:1px dashed rgba(255,255,255,.25);
  border-radius:var(--r-img);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.7;
  color:rgba(255,255,255,.45);
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
}
.footer-list li{margin-bottom:12px;}
.footer-list a{
  font-size:14px;
  color:rgba(255,255,255,.62);
  display:inline-block;
  transition:all .2s ease;
}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-note{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.6);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0;
  display:flex;
  justify-content:space-between;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.5);
  flex-wrap:wrap;
}

/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .main-nav{gap:16px;}
  .nav-link-top{font-size:14px;}
}
@media (max-width:991.98px){
  .main-nav{
    display:none;
    position:absolute;
    top:100%;
    left:0;right:0;
    background:#fff;
    border-bottom:1px solid var(--c-line);
    box-shadow:var(--sh-2);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 20px 20px;
    margin:0;
  }
  .main-nav.open{display:flex;}
  .nav-link-top{
    padding:14px 0;
    border-bottom:1px dashed var(--c-line);
    font-size:15px;
  }
  .nav-link-top::after{display:none;}
  .nav-link-top.active{color:var(--c-primary);}
  .mega-wrap{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{gap:14px;}
  .page-head h1{font-size:34px;}
  .sec{--sp-sec:72px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat:nth-child(1),
  .stat:nth-child(2){border-bottom:1px dashed var(--c-line);}
  .vgrid{grid-template-columns:repeat(2,1fr);}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-action{justify-self:stretch;}
  .cta-band{padding:40px 28px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .sec{--sp-sec:56px;}
  .page-head{padding:24px 0 28px;}
  .page-head h1{font-size:30px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head h2{font-size:24px;}
  .cta-band h2{font-size:24px;}
  .cta-steps{gap:18px;}
}
@media (max-width:575.98px){
  .header-inner{height:64px;}
  .brand{font-size:18px;}
  .header-actions .btn-primary{display:none;}
  .vgrid{grid-template-columns:1fr;}
  .cross-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr;}
  .stat{border-right:0;border-bottom:1px dashed var(--c-line);}
  .stat:last-child{border-bottom:0;}
  .footer-main{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .search-form{flex-direction:column;}
  .search-form .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    transition:none !important;
    animation:none !important;
    scroll-behavior:auto !important;
  }
  .vcard:hover{transform:none;}
  .vcard:hover .vcard-media img{transform:none;}
  .cross-item:hover{transform:none;}
  .btn-primary:hover{transform:none;}
}

/* roulang page: article */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-teal:#0E7C66;
  --c-teal-soft:#E6F2EE;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-lg:24px;
  --r-pill:999px;
  --shadow-soft:0 6px 24px rgba(20,22,26,.06);
  --shadow-hover:0 12px 32px rgba(20,22,26,.12);
  --container:1160px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.3px}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:13px 24px;border-radius:var(--r-pill);
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(255,92,40,.24)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(255,92,40,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(255,92,40,.22)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{background:#fff;border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-block{display:flex;width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{background:#fff;box-shadow:var(--shadow-soft)}
.header-inner{
  position:relative;
  display:flex;align-items:center;gap:24px;
  height:76px;
}
.brand{
  display:inline-flex;align-items:center;gap:7px;
  font-size:20px;font-weight:800;letter-spacing:-.5px;white-space:nowrap;flex-shrink:0;
}
.brand-mark{color:var(--c-ink)}
.brand-sub{
  background:var(--c-primary);color:#fff;
  font-size:16px;font-weight:700;letter-spacing:0;
  padding:2px 9px;border-radius:8px;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link-top{
  position:relative;
  padding:9px 10px;font-size:15px;font-weight:600;
  color:var(--c-text);white-space:nowrap;border-radius:8px;
}
.nav-link-top::after{
  content:"";position:absolute;left:10px;right:10px;bottom:2px;height:3px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-link-top:hover{color:var(--c-primary)}
.nav-link-top:hover::after{transform:scaleX(1)}
.nav-link-top.active{color:var(--c-primary)}
.nav-link-top.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid var(--c-line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--c-ink);
  transition:.2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.more-trigger{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-text);
  transition:.2s ease;
}
.more-trigger:hover,.mega-wrap:hover .more-trigger{
  background:var(--c-paper);border-color:#D8D2C6;color:var(--c-primary);
}
.chev{transition:transform .2s ease}
.mega-wrap:hover .chev{transform:rotate(180deg)}
.mega-wrap{position:static}
.mega-menu{
  position:absolute;top:calc(100% + 4px);right:0;left:auto;
  width:720px;max-width:calc(100vw - 32px);
  padding:24px;margin:0;border-radius:var(--r-lg);
  background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow-hover);
  display:none;grid-template-columns:1fr 260px;gap:24px;
}
.mega-wrap:hover .mega-menu,.mega-menu.show{display:grid}
.mega-col-title{font-size:12px;font-weight:700;letter-spacing:.6px;color:var(--c-muted);margin-bottom:10px}
.mega-cols{display:grid;grid-template-columns:1fr 1fr;gap:2px 16px}
.mega-link{display:block;padding:8px 10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--c-text)}
.mega-link:hover{background:var(--c-paper);color:var(--c-primary)}
.mega-card{background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-card);padding:14px}
.mega-card img{width:100%;aspect-ratio:4/3;border-radius:var(--r-img)}
.mega-card p{font-size:12.5px;line-height:1.7;color:var(--c-muted);margin:10px 0 12px}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:10px;background:#fff;
  border:1px solid var(--c-line);flex-direction:column;align-items:center;justify-content:center;gap:4px;
  transition:.2s ease;
}
.menu-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--c-ink);transition:.2s ease}
.menu-toggle:hover{border-color:var(--c-primary)}

/* 移动端抽屉 */
.mobile-panel{width:min(340px,86vw);background:var(--c-paper)}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.mobile-panel .offcanvas-body{padding:20px}
.mobile-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:20px}
.mobile-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--c-text);
  border:1px solid transparent;
}
.mobile-nav a:hover{background:#fff;border-color:var(--c-line);color:var(--c-primary)}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  padding:26px 0 0;font-size:13.5px;color:var(--c-muted);
}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C9C4BA}
.crumb .cur{color:var(--c-text);font-weight:600}

/* ---------- 文章头 ---------- */
.article-head{padding:18px 0 6px;max-width:900px}
.meta-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.badge-cat{
  display:inline-flex;align-items:center;
  background:var(--c-teal-soft);color:var(--c-teal);
  font-size:12px;font-weight:600;letter-spacing:.5px;
  padding:5px 12px;border-radius:var(--r-pill);
}
.meta-date,.meta-read{
  font-size:13.5px;color:var(--c-muted);
  font-variant-numeric:tabular-nums;letter-spacing:.2px;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#CFC9BE}
.article-title{
  font-size:44px;font-weight:800;line-height:1.15;letter-spacing:-.6px;color:var(--c-ink);
}

/* ---------- 主体两栏 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;align-items:start;padding:34px 0 0;
}
.article-main{min-width:0;max-width:720px}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.85;color:var(--c-text)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:30px;font-weight:700;letter-spacing:-.4px;
  margin:46px 0 16px;padding-left:14px;position:relative;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;
  background:var(--c-primary);
}
.article-body h3{font-size:20px;font-weight:600;margin:32px 0 12px;color:var(--c-ink)}
.article-body h4{font-size:17px;font-weight:600;margin:24px 0 10px}
.article-body p{margin:0 0 18px}
.article-body strong{font-weight:700;color:var(--c-ink)}
.article-body ul{margin:0 0 20px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--c-primary);
}
.article-body ol{margin:0 0 20px;counter-reset:artol}
.article-body ol li{position:relative;padding-left:36px;margin-bottom:12px;counter-increment:artol}
.article-body ol li::before{
  content:counter(artol);
  position:absolute;left:0;top:.18em;width:24px;height:24px;border-radius:50%;
  background:var(--c-teal-soft);color:var(--c-teal);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;
  background:#fff;border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-img) var(--r-img) 0;
  color:#3A3D42;font-size:15.5px;line-height:1.85;
  box-shadow:var(--shadow-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:15px;background:#fff;border-radius:var(--r-img);
  overflow:hidden;box-shadow:var(--shadow-soft);
}
.article-body th,.article-body td{
  padding:12px 14px;border-bottom:1px solid var(--c-line);text-align:left;vertical-align:top;
}
.article-body th{background:#F4F1EA;font-weight:600;color:var(--c-ink)}
.article-body tr:last-child td{border-bottom:0}
.article-body img{border-radius:var(--r-img);margin:26px 0 8px;width:100%}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{
  font-size:13.5px;line-height:1.7;color:var(--c-muted);text-align:center;margin-top:8px;
}
.article-body pre{
  background:var(--c-ink);color:#EDEAE4;
  padding:18px 20px;border-radius:var(--r-img);
  overflow:auto;font-size:14px;line-height:1.7;margin:26px 0;
}
.article-body code{
  background:#F1EDE6;color:#8A3A1C;
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body a{color:var(--c-teal);border-bottom:1px solid rgba(14,124,102,.35)}
.article-body a:hover{color:var(--c-primary);border-color:var(--c-primary)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:36px 0}

/* ---------- 空态 ---------- */
.article-empty{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow-soft);
}
.empty-icon{
  width:58px;height:58px;border-radius:50%;margin:0 auto 18px;
  background:var(--c-teal-soft);color:var(--c-teal);
  display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;
}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{font-size:15px;color:var(--c-muted);margin-bottom:22px}

/* ---------- 文末操作 ---------- */
.article-foot{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:48px;padding-top:28px;border-top:1px solid var(--c-line);
}

/* ---------- 相关推荐 ---------- */
.related{margin-top:60px;padding-top:40px;border-top:1px solid var(--c-line)}
.related-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:24px}
.related-head h2{font-size:24px;font-weight:700;letter-spacing:-.4px}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary)}
.link-more:hover{color:var(--c-primary-dark)}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DCD6CA}
.rel-thumb{aspect-ratio:4/3;overflow:hidden}
.rel-thumb img{width:100%;height:100%;transition:transform .2s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px}
.rel-body .badge-cat{align-self:flex-start}
.rel-body h3{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover .rel-body h3{color:var(--c-primary)}
.rel-body p{
  font-size:13.5px;line-height:1.7;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:100px}
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;margin-bottom:20px;box-shadow:var(--shadow-soft);
}
.side-card:last-child{margin-bottom:0}
.side-cover{margin:-20px -20px 16px;border-radius:var(--r-card) var(--r-card) 0 0;overflow:hidden}
.side-cover img{width:100%;aspect-ratio:16/9}
.side-title{font-size:16px;font-weight:700;margin-bottom:14px;color:var(--c-ink)}
.side-steps{margin-bottom:18px}
.side-steps li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:#41454A;padding:8px 0;border-bottom:1px dashed var(--c-line)}
.side-steps li:last-child{border-bottom:0}
.side-steps .step-num{
  flex-shrink:0;font-size:12px;font-weight:700;color:var(--c-primary);
  letter-spacing:.5px;font-variant-numeric:tabular-nums;padding-top:2px;
}
.hot-list li + li{margin-top:2px}
.hot-list a{display:flex;gap:10px;align-items:flex-start;padding:10px 8px;border-radius:10px;font-size:14px;line-height:1.6;color:var(--c-text);transition:.2s ease}
.hot-list a:hover{background:var(--c-paper);color:var(--c-primary)}
.hot-list .hot-num{
  flex-shrink:0;font-size:12px;font-weight:700;color:#B9B3A8;
  font-variant-numeric:tabular-nums;padding-top:3px;
}
.hot-list a:hover .hot-num{color:var(--c-primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#C9CBCF;padding:72px 0 0;margin-top:96px}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.site-footer .brand{color:#fff}
.site-footer .brand-mark{color:#fff}
.site-footer .brand-sub{background:none;color:var(--c-primary);padding:0;font-size:20px;font-weight:800}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:#9AA0A6}
.qr-box{
  width:104px;height:104px;margin-top:20px;border-radius:var(--r-img);
  border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:#8A9096;
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-list li{margin-bottom:10px}
.footer-list a{display:inline-block;font-size:14px;color:#A7ADB3;transition:.2s ease}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-note{font-size:13.5px;line-height:1.9;color:#8A9096}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8288;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  .container{max-width:var(--container)}
}
@media (max-width:1279px){
  .nav-link-top{font-size:13.5px;padding:9px 7px}
  .nav-link-top::after{left:7px;right:7px}
  .mega-wrap{display:none}
  .header-inner{gap:16px}
}
@media (max-width:1099px){
  .article-title{font-size:38px}
}
@media (max-width:991px){
  .container{max-width:720px;padding:0 20px}
  .main-nav{display:none}
  .icon-btn{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{height:68px}
  .article-layout{grid-template-columns:1fr;gap:0;padding-top:26px}
  .article-main{max-width:none}
  .article-side{display:none}
  .article-title{font-size:34px}
  .article-body h2{font-size:26px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-footer{margin-top:72px;padding-top:56px}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .article-title{font-size:30px;letter-spacing:-.4px}
  .article-body{font-size:16px}
  .article-body h2{font-size:24px;margin-top:38px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .related-head{flex-wrap:wrap}
  .related-head h2{font-size:20px}
  .article-foot .btn{flex:1 1 auto}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand{font-size:18px}
  .brand-sub{font-size:15px;padding:2px 8px}
  .article-title{font-size:27px}
  .article-empty{padding:40px 20px}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:6px}
  .meta-row{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;scroll-behavior:auto !important}
  .rel-card:hover,.btn:hover,.article-foot .btn:hover{transform:none}
  .rel-card:hover .rel-thumb img{transform:none}
}

/* roulang page: category2 */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-teal:#0E7C66;
  --c-teal-soft:#E6F3EF;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-block:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 6px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --t:.2s ease;
  --sp:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;font-weight:700;color:var(--c-ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1160px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1240px;}}
@media (max-width:767px){.container{padding-left:20px;padding-right:20px;}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 按钮 / 标签 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-pill);font-weight:600;font-size:15px;line-height:1;padding:13px 24px;border:1px solid transparent;transition:background var(--t),color var(--t),transform var(--t),box-shadow var(--t),border-color var(--t);}
.btn:active{transform:translateY(0);}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}
.btn-primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,92,40,.28);}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.btn-light-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.35);}
.btn-light-outline:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-pill{border-radius:var(--r-pill);}
.badge-soft{display:inline-flex;align-items:center;gap:6px;background:var(--c-teal-soft);color:var(--c-teal);border:1px solid rgba(14,124,102,.18);border-radius:var(--r-pill);font-size:12px;letter-spacing:.5px;font-weight:600;padding:5px 12px;line-height:1.4;}
.badge-num{display:inline-flex;align-items:center;justify-content:center;background:rgba(20,22,26,.72);color:#fff;border-radius:var(--r-pill);font-family:var(--font-num);font-size:12px;letter-spacing:.6px;padding:4px 10px;}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(250,248,244,.96);border-bottom:1px solid var(--c-line);transition:background var(--t),box-shadow var(--t);backdrop-filter:saturate(140%) blur(8px);}
.site-header.is-stuck{background:#fff;box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:20px;height:74px;}
.brand{display:inline-flex;align-items:center;gap:6px;white-space:nowrap;font-weight:800;letter-spacing:-.3px;font-size:19px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{color:var(--c-ink);position:relative;}
.brand-mark::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:3px;border-radius:2px;background:var(--c-primary);}
.brand-sub{color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link-top{position:relative;display:inline-block;font-size:15px;font-weight:600;color:var(--c-ink);padding:10px 10px;white-space:nowrap;}
.nav-link-top::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:3px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.nav-link-top:hover{color:var(--c-primary);}
.nav-link-top:hover::after{transform:scaleX(1);}
.nav-link-top.active{color:var(--c-primary);}
.nav-link-top.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-ink);cursor:pointer;transition:all var(--t);}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);}
.header-cta{padding:11px 22px;font-size:14px;}
.mega-toggle{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid transparent;border-radius:var(--r-pill);padding:10px 14px;font-size:14px;font-weight:600;color:var(--c-ink);cursor:pointer;transition:all var(--t);}
.mega-toggle:hover,.mega-dropdown.show .mega-toggle{background:var(--c-paper);border-color:var(--c-line);color:var(--c-primary);}
.mega-toggle .fa-chevron-down{font-size:11px;transition:transform var(--t);}
.mega-dropdown.show .mega-toggle .fa-chevron-down,.mega-dropdown:hover .mega-toggle .fa-chevron-down{transform:rotate(180deg);}
.mega-panel{width:720px;max-width:calc(100vw - 48px);border:1px solid var(--c-line);border-radius:var(--r-block);padding:22px;background:#fff;box-shadow:var(--sh-2);margin-top:12px;}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 250px;gap:20px;}
.mega-col-title{font-size:12px;letter-spacing:.5px;color:var(--c-muted);font-weight:700;margin-bottom:10px;}
.mega-link{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--c-ink);transition:all var(--t);}
.mega-link i{font-size:11px;color:var(--c-primary);opacity:0;transform:translateX(-4px);transition:all var(--t);}
.mega-link:hover{background:var(--c-paper);color:var(--c-primary);}
.mega-link:hover i{opacity:1;transform:translateX(0);}
.mega-card{border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:var(--c-paper);}
.mega-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.mega-card-body{padding:12px;}
.mega-card-body p{font-size:12.5px;line-height:1.7;color:var(--c-muted);margin-bottom:10px;}
@media (min-width:1200px){
  .mega-dropdown:hover .mega-panel{display:block;}
}
@media (max-width:1199px){
  .main-nav{display:none;}
}
@media (max-width:767px){
  .header-cta,.mega-dropdown{display:none;}
  .header-inner{height:66px;}
  .brand{font-size:17px;}
}
.search-row{border-top:1px solid var(--c-line);background:#fff;}
.search-row .inner{padding:14px 0;display:flex;gap:10px;}
.search-input{flex:1;height:44px;border:1px solid var(--c-line);border-radius:var(--r-input);padding:0 16px;font-size:15px;color:var(--c-text);background:#fff;transition:all var(--t);}
.search-input::placeholder{color:var(--c-muted);}
.search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,92,40,.15);}

/* ============ 移动端抽屉 ============ */
.mobile-nav{width:340px;max-width:90vw;}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--c-line);padding:16px 20px;}
.mobile-nav .offcanvas-body{padding:16px 20px 90px;}
.mobile-accordion .accordion-item{border:0;border-bottom:1px solid var(--c-line);background:transparent;}
.mobile-accordion .accordion-button{padding:14px 0;font-size:15px;font-weight:700;color:var(--c-ink);background:transparent;box-shadow:none;}
.mobile-accordion .accordion-button:not(.collapsed){color:var(--c-primary);background:transparent;}
.mobile-accordion .accordion-button::after{background-image:none;content:"+";width:auto;height:auto;font-size:18px;color:var(--c-primary);display:flex;align-items:center;}
.mobile-accordion .accordion-button:not(.collapsed)::after{content:"−";}
.mobile-link{display:block;padding:10px 0;font-size:14px;color:var(--c-muted);border-bottom:1px dashed var(--c-line);}
.mobile-link:hover{color:var(--c-primary);}
.mobile-cta{position:absolute;left:0;right:0;bottom:0;padding:14px 20px;background:#fff;border-top:1px solid var(--c-line);}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb i{font-size:9px;opacity:.6;}
.crumb .current{color:var(--c-ink);font-weight:600;}

/* ============ 页头 ============ */
.page-head{padding:28px 0 40px;border-bottom:1px solid var(--c-line);}
.page-head h1{font-size:clamp(28px,4vw,44px);line-height:1.15;font-weight:800;letter-spacing:-1px;margin:14px 0 14px;}
.page-lead{font-size:17px;color:var(--c-muted);max-width:680px;line-height:1.8;}

/* ============ 主体两栏 ============ */
.section{padding-top:var(--sp);}
.section:last-of-type{padding-bottom:var(--sp);}
.layout-2col{display:grid;grid-template-columns:1fr 340px;gap:40px;align-items:start;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
.sec-head .sub{font-size:14px;color:var(--c-muted);margin-top:8px;}
.sec-more{font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.sec-more:hover{gap:10px;}

/* 行式卡片 */
.row-list{display:flex;flex-direction:column;gap:16px;}
.row-card{display:grid;grid-template-columns:170px 1fr 34px;gap:20px;align-items:center;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px;transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.row-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9d2c6;}
.row-thumb{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;background:var(--c-paper);}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.row-card:hover .row-thumb img{transform:scale(1.05);}
.row-body h3{font-size:18px;line-height:1.45;margin-bottom:8px;transition:color var(--t);}
.row-card:hover .row-body h3{color:var(--c-primary);}
.row-body p{font-size:14.5px;color:var(--c-muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.row-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12px;color:var(--c-muted);font-family:var(--font-num);letter-spacing:.5px;}
.row-arrow{width:34px;height:34px;border-radius:var(--r-pill);border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-muted);transition:all var(--t);}
.row-card:hover .row-arrow{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* 侧栏 */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-block);padding:18px;box-shadow:var(--sh-1);}
.side-card .cover{border-radius:var(--r-img);overflow:hidden;aspect-ratio:4/3;margin-bottom:16px;}
.side-card .cover img{width:100%;height:100%;object-fit:cover;}
.side-card h3{font-size:18px;line-height:1.4;margin-bottom:8px;}
.side-card p{font-size:14px;color:var(--c-muted);line-height:1.8;}
.side-card .btn{width:100%;margin-top:16px;}
.side-note{background:var(--c-ink);border-color:rgba(255,255,255,.08);color:#fff;box-shadow:none;}
.side-note h3{color:#fff;}
.side-note .side-list{margin-top:12px;display:flex;flex-direction:column;gap:12px;}
.side-note .side-list li{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.72);padding-left:16px;position:relative;}
.side-note .side-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
.side-note .side-list strong{color:#fff;font-weight:600;}

/* ============ 注册三步 ============ */
.steps-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);padding:34px;}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step-item{position:relative;padding-left:0;}
.step-num{font-family:var(--font-num);font-size:46px;line-height:1;font-weight:300;color:var(--c-primary);letter-spacing:1px;}
.step-item h3{font-size:19px;margin:12px 0 8px;}
.step-item p{font-size:14.5px;color:var(--c-muted);line-height:1.8;}
.step-line{height:1px;background:var(--c-line);margin:22px 0 0;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion-item{border:1px solid var(--c-line);border-radius:14px;overflow:hidden;background:#fff;margin-bottom:-1px;}
.accordion-item:first-of-type{border-top-left-radius:14px;border-top-right-radius:14px;}
.accordion-item:last-of-type{border-bottom-left-radius:14px;border-bottom-right-radius:14px;}
.accordion-button{background:#fff;color:var(--c-ink);font-size:16px;font-weight:600;padding:18px 20px;box-shadow:none;border-radius:0;transition:all var(--t);}
.accordion-button:not(.collapsed){background:#fff;color:var(--c-primary);box-shadow:inset 4px 0 0 var(--c-primary);}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button:not(.collapsed):focus{box-shadow:inset 4px 0 0 var(--c-primary);}
.accordion-button::after{background-image:none;content:"+";width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;color:var(--c-primary);transform:none;transition:color var(--t);}
.accordion-button:not(.collapsed)::after{content:"−";transform:none;}
.accordion-body{font-size:15px;line-height:1.8;color:var(--c-muted);padding:0 20px 18px;background:#fff;}
.accordion-body strong{color:var(--c-ink);}

/* ============ 交叉入口 ============ */
.cross-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.cross-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;transition:all var(--t);}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9d2c6;}
.cross-card .tag{font-family:var(--font-num);font-size:12px;letter-spacing:1px;color:var(--c-teal);font-weight:600;}
.cross-card h3{font-size:17px;transition:color var(--t);}
.cross-card:hover h3{color:var(--c-primary);}
.cross-card p{font-size:14px;color:var(--c-muted);line-height:1.8;}
.cross-card .go{font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;margin-top:auto;}

/* ============ CTA 深色带 ============ */
.cta-band{position:relative;background:var(--c-ink);border-radius:var(--r-block);padding:52px 44px;color:#fff;overflow:hidden;}
.cta-band::before{content:"";position:absolute;left:0;right:0;top:0;height:8px;background:repeating-linear-gradient(135deg,var(--c-primary) 0 10px,transparent 10px 20px);opacity:.85;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);line-height:1.25;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.72);font-size:15px;max-width:520px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:var(--sp);}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px;}
.footer-brand .brand{color:#fff;font-size:19px;margin-bottom:16px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-mark{color:#fff;}
.footer-brand .brand-sub{color:var(--c-primary);}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.qr-box{margin-top:18px;width:112px;height:112px;border:1px dashed rgba(255,255,255,.28);border-radius:var(--r-img);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.5);}
.footer-title{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:14px;color:rgba(255,255,255,.62);display:inline-block;transition:all var(--t);}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-note{font-size:13.5px;line-height:1.9;color:rgba(255,255,255,.6);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .layout-2col{grid-template-columns:1fr;}
  .side-sticky{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .cross-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  :root{--sp:72px;}
  .steps-grid{grid-template-columns:1fr;}
  .steps-wrap{padding:26px;}
  .cta-band{padding:40px 28px;}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--sp:56px;}
  .row-card{grid-template-columns:110px 1fr;gap:14px;padding:14px;}
  .row-arrow{display:none;}
  .row-body h3{font-size:16px;}
  .row-body p{font-size:13.5px;-webkit-line-clamp:2;}
  .page-head{padding:20px 0 28px;}
  .cross-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;}
  .side-sticky{flex-direction:column;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px;}
}
@media (max-width:575px){
  .row-card{grid-template-columns:1fr;}
  .row-thumb{aspect-ratio:16/9;}
  .step-num{font-size:38px;}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important;}
  .row-card:hover,.cross-card:hover,.btn:hover{transform:none;}
  .row-card:hover .row-thumb img{transform:none;}
}

/* roulang page: category3 */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-teal:#0E7C66;
  --c-teal-soft:#E7F3F0;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-lg:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh:0 6px 24px rgba(20,22,26,.06);
  --sh-hover:0 12px 32px rgba(20,22,26,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","DIN Alternate","Roboto Condensed",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;line-height:1.25;font-weight:700;color:var(--c-ink)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

.container{
  width:100%;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1200px){.container{max-width:1160px}}
@media (min-width:1400px){.container{max-width:1240px}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(250,248,244,.95);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(10px);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-stuck{background:#fff;box-shadow:var(--sh)}
.header-inner{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:74px;
}
.brand{display:flex;align-items:baseline;gap:2px;white-space:nowrap;flex:0 0 auto}
.brand-mark{font-size:21px;font-weight:800;color:var(--c-ink);letter-spacing:-.4px}
.brand-sub{font-size:21px;font-weight:800;color:var(--c-primary);letter-spacing:-.4px;position:relative}
.brand-sub::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-4px;
  height:3px;border-radius:2px;
  background:var(--c-primary);
}
.main-nav{display:flex;align-items:center;gap:22px;flex-wrap:nowrap}
.nav-link-top{
  position:relative;
  display:inline-block;
  padding:10px 0;
  font-size:15px;
  font-weight:600;
  color:#3E4247;
  white-space:nowrap;
}
.nav-link-top::after{
  content:"";
  position:absolute;
  left:0;bottom:4px;
  height:3px;width:0;
  background:var(--c-primary);
  border-radius:2px;
  transition:width .2s ease;
}
.nav-link-top:hover{color:var(--c-ink)}
.nav-link-top:hover::after{width:100%}
.nav-link-top.active{color:var(--c-ink)}
.nav-link-top.active::after{width:100%}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  color:#3E4247;
  border-radius:50%;
  transition:.2s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}
.btn-pill{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-pill.primary{background:var(--c-primary);color:#fff}
.btn-pill.primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-pill.primary:active{transform:translateY(0)}
.btn-pill.ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-pill.ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-pill.inverse{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-pill.inverse:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-1px)}

.mega-wrap{position:relative}
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;
  background:transparent;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:#3E4247;
  cursor:pointer;
  transition:.2s ease;
}
.mega-toggle:hover,.mega-wrap.show .mega-toggle{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.caret{transition:transform .2s ease;font-size:11px;line-height:1}
.mega-wrap:hover .caret,.mega-wrap.show .caret{transform:rotate(180deg)}
.mega-menu{
  width:720px;
  max-width:calc(100vw - 48px);
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-hover);
  padding:24px;
  margin-top:12px!important;
  left:auto!important;
  right:0!important;
  background:#fff;
}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 260px;gap:20px}
.mega-col-title{
  font-size:12px;letter-spacing:.5px;font-weight:700;color:var(--c-muted);
  text-transform:uppercase;margin-bottom:10px;
}
.mega-link{
  display:block;
  padding:8px 10px;
  border-radius:10px;
  font-size:14px;
  color:#3E4247;
  transition:.2s ease;
}
.mega-link:hover{background:var(--c-paper);color:var(--c-primary);padding-left:14px}
.mega-card{
  background:var(--c-paper);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
}
.mega-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.mega-card-body{padding:14px}
.mega-card-body p{font-size:13px;color:var(--c-muted);line-height:1.7;margin-bottom:12px}
.mega-card-body .btn-pill{padding:9px 16px;font-size:13px;width:100%}
@media (min-width:992px){
  .mega-wrap:hover .mega-menu{display:block}
}
@media (max-width:1199.98px){
  .main-nav{gap:16px}
  .nav-link-top{font-size:14px}
}
@media (max-width:991.98px){
  .main-nav{display:none}
  .mega-wrap{display:none}
  .header-inner{min-height:64px;gap:12px}
}
.site-search{background:#fff;border-bottom:1px solid var(--c-line)}
.site-search .inner{padding:16px 0}
.search-field{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-input);
  height:44px;padding:0 14px;
  transition:.2s ease;
}
.search-field:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(255,92,40,.15)}
.search-field input{
  flex:1;border:0;outline:0;background:transparent;
  font-size:15px;color:var(--c-text);
}
.search-field input::placeholder{color:var(--c-muted)}

/* Offcanvas */
.offcanvas-mobile{background:var(--c-paper)}
.offcanvas-mobile .offcanvas-header{border-bottom:1px solid var(--c-line)}
.offcanvas-mobile .m-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.offcanvas-mobile .m-list a:hover{color:var(--c-primary)}
.offcanvas-footer{
  position:sticky;bottom:0;background:var(--c-paper);
  padding:16px 0 4px;
}

/* ---------- Breadcrumb & page head ---------- */
.breadcrumb-line{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--c-muted);
  padding:26px 0 0;
}
.breadcrumb-line a{color:var(--c-muted)}
.breadcrumb-line a:hover{color:var(--c-primary)}
.breadcrumb-line .sep{color:#C6C0B5}
.page-head{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:40px;
  align-items:center;
  padding:28px 0 40px;
  border-bottom:1px solid var(--c-line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--c-teal-soft);
  border:1px solid rgba(14,124,102,.22);
  color:var(--c-teal);
  font-size:12px;font-weight:700;letter-spacing:.5px;
  margin-bottom:16px;
}
.page-head h1{font-size:44px;line-height:1.15;font-weight:800;margin-bottom:16px}
.page-head h1 .hl{color:var(--c-primary)}
.lede{font-size:17px;color:var(--c-muted);max-width:560px}
.head-figure{
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--c-line);
  background:#fff;
  box-shadow:var(--sh);
}
.head-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.head-figure figcaption{
  padding:10px 14px;font-size:13px;color:var(--c-muted);
  border-top:1px solid var(--c-line);
}
@media (max-width:991.98px){
  .page-head{grid-template-columns:1fr;gap:24px}
  .page-head h1{font-size:34px}
}
@media (max-width:575.98px){
  .page-head h1{font-size:30px}
  .lede{font-size:15px}
}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.section.tight{padding:56px 0}
.section-head{margin-bottom:36px;max-width:720px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{font-size:15px;color:var(--c-muted)}
.kicker{
  font-family:var(--font-num);
  font-size:13px;letter-spacing:1.2px;font-weight:700;
  color:var(--c-primary);text-transform:uppercase;
  margin-bottom:8px;display:block;
}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-top:8px}
.timeline::before{
  content:"";
  position:absolute;
  left:23px;top:24px;bottom:24px;
  width:3px;
  border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary) 0%,rgba(255,92,40,.35) 70%,rgba(255,92,40,.12) 100%);
}
.tl-item{position:relative;padding-left:76px;margin-bottom:24px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{
  position:absolute;left:0;top:6px;
  width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;
  border:3px solid var(--c-primary);
  border-radius:50%;
  font-family:var(--font-num);
  font-size:17px;font-weight:700;color:var(--c-primary);
  box-shadow:0 0 0 8px var(--c-paper);
  z-index:1;
}
.tl-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:22px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#DAD3C7}
.tl-card h3{font-size:20px;margin-bottom:10px}
.tl-card p{font-size:15px;color:#3E4247;line-height:1.8}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:var(--c-paper);
  border:1px solid var(--c-line);
  font-size:12px;font-weight:600;color:#4B5056;
}
.tag.teal{background:var(--c-teal-soft);border-color:rgba(14,124,102,.22);color:var(--c-teal)}
.tl-media{margin-top:16px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line)}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.tl-media:hover img{transform:scale(1.03)}
@media (max-width:575.98px){
  .timeline::before{left:19px}
  .tl-item{padding-left:60px}
  .tl-dot{width:40px;height:40px;font-size:15px;box-shadow:0 0 0 6px var(--c-paper)}
  .tl-card{padding:16px}
}

/* ---------- Compare ---------- */
.compare-band{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.compare-grid{display:grid;grid-template-columns:1fr 1fr}
.compare-col{padding:32px}
.compare-col + .compare-col{border-left:1px solid var(--c-line)}
.compare-col h3{font-size:20px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.compare-col .hint{font-size:13px;color:var(--c-muted);margin-bottom:18px}
.compare-col ul li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:#3E4247;
  margin-bottom:12px;
  line-height:1.8;
}
.compare-col ul li:last-child{margin-bottom:0}
.compare-col ul li::before{
  content:"";
  position:absolute;left:0;top:11px;
  width:8px;height:8px;border-radius:50%;
  background:var(--c-teal);
}
.compare-col.alt ul li::before{background:var(--c-primary)}
.icon-badge{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--c-teal-soft);
  color:var(--c-teal);
  font-size:15px;
}
.compare-col.alt .icon-badge{background:rgba(255,92,40,.12);color:var(--c-primary)}
@media (max-width:767.98px){
  .compare-grid{grid-template-columns:1fr}
  .compare-col{padding:22px}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--c-line)}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px}
.accordion-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:12px!important;
  margin-bottom:-1px;
  overflow:hidden;
}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  background:#fff;
  padding:18px 20px;
  box-shadow:none!important;
  line-height:1.6;
}
.accordion-button:not(.collapsed){
  background:rgba(255,92,40,.05);
  color:var(--c-primary);
  box-shadow:inset 4px 0 0 var(--c-primary)!important;
}
.accordion-button::after{
  content:"";
  width:20px;height:20px;
  flex:0 0 20px;
  background-image:linear-gradient(var(--c-muted),var(--c-muted)),linear-gradient(var(--c-muted),var(--c-muted));
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  transition:transform .2s ease,background-image .2s ease;
}
.accordion-button:not(.collapsed)::after{
  background-image:linear-gradient(var(--c-primary),var(--c-primary));
  background-size:14px 2px;
  transform:rotate(180deg);
}
.accordion-body{
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
  padding:16px 20px 20px;
}

/* ---------- Cross links ---------- */
.cross-links{display:flex;flex-wrap:wrap;gap:12px}
.cross-links a{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;
  border-radius:var(--r-pill);
  background:#fff;
  border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:#3E4247;
  transition:.2s ease;
}
.cross-links a:hover{
  border-color:var(--c-primary);
  color:var(--c-primary);
  transform:translateY(-2px);
  box-shadow:var(--sh);
}
.cross-links a i{font-size:12px;color:var(--c-muted)}
.cross-links a:hover i{color:var(--c-primary)}

/* ---------- CTA band ---------- */
.cta-band{position:relative;background:var(--c-ink);color:#fff;overflow:hidden}
.cta-stripes{
  height:10px;
  background:repeating-linear-gradient(45deg,var(--c-primary) 0 12px,transparent 12px 24px);
  opacity:.85;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:56px 0;
  position:relative;
  z-index:1;
}
.cta-inner h2{color:#fff;font-size:30px;margin-bottom:10px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto}
.cta-glow{
  position:absolute;right:-120px;top:-120px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,92,40,.28),transparent 70%);
  pointer-events:none;
}
@media (max-width:767.98px){
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 0}
  .cta-inner h2{font-size:24px}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding-top:8px}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 40px;
}
.site-footer .brand{display:flex;align-items:baseline;gap:2px;margin-bottom:16px}
.site-footer .brand-mark{font-size:20px;font-weight:800;color:#fff}
.site-footer .brand-sub{font-size:20px;font-weight:800;color:var(--c-primary);position:relative}
.site-footer .brand-sub::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;
  background:var(--c-primary);border-radius:2px;
}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);margin-bottom:20px}
.qr-box{
  width:104px;height:104px;
  display:flex;align-items:center;justify-content:center;text-align:center;
  border:1px dashed rgba(255,255,255,.28);
  border-radius:12px;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.5);
}
.footer-title{
  font-size:14px;font-weight:700;color:#fff;
  margin-bottom:16px;letter-spacing:.3px;
}
.footer-list li{margin-bottom:10px}
.footer-list a{
  font-size:14px;color:rgba(255,255,255,.62);
  display:inline-block;transition:.2s ease;
}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-note{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
@media (max-width:991.98px){
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
}
@media (max-width:575.98px){
  .footer-main{grid-template-columns:1fr;gap:28px;padding:40px 0 24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* ---------- Bootstrap overrides ---------- */
.btn{border-radius:var(--r-pill);font-weight:600;padding:11px 22px;border-width:1px}
.card{border-radius:var(--r-card);border:1px solid var(--c-line);box-shadow:var(--sh)}
.badge{
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.5px;
  padding:5px 12px;
}
.nav-link{border-radius:10px}
.dropdown-menu{border-radius:var(--r-lg);border:1px solid var(--c-line)}
.form-control{
  border-radius:var(--r-input);
  border:1px solid var(--c-line);
  height:44px;
  font-size:15px;
}
.form-control::placeholder{color:var(--c-muted)}
.form-control:focus{
  border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(255,92,40,.15);
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;
    transition-duration:.001ms!important;
  }
  .tl-card:hover,.cross-links a:hover,.btn-pill:hover{transform:none!important}
  .tl-media:hover img{transform:none!important}
}

/* roulang page: category5 */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-primary-soft:#FFF1EA;
  --c-teal:#0E7C66;
  --c-teal-soft:#E8F3F0;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-block:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 6px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --ff:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ff-num:"Barlow Condensed","DIN Alternate","Arial Narrow",system-ui,sans-serif;
  --sec:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-text);
  font-family:var(--ff);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,.btn:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
}
.container{
  width:100%;
  max-width:1160px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1240px;}}
@media (min-width:576px) and (max-width:767.98px){.container{padding-left:20px;padding-right:20px;}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px;}}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  transition:background .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:74px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
  flex-shrink:0;
}
.brand-mark{
  font-size:20px;
  font-weight:800;
  letter-spacing:-.3px;
  color:var(--c-ink);
  line-height:1;
}
.brand-sub{
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.5px;
  color:#fff;
  background:var(--c-primary);
  padding:5px 10px;
  border-radius:var(--r-pill);
  line-height:1;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link-top{
  position:relative;
  display:inline-block;
  padding:9px 9px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-text);
  border-radius:8px;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link-top::after{
  content:"";
  position:absolute;
  left:9px;right:9px;bottom:1px;
  height:3px;
  border-radius:3px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link-top:hover{color:var(--c-primary);}
.nav-link-top:hover::after{transform:scaleX(1);}
.nav-link-top.active{color:var(--c-primary);}
.nav-link-top.active::after{transform:scaleX(1);}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  margin-left:auto;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--r-pill);
  color:var(--c-text);
  font-size:14px;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-c{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-pill);
  font-weight:600;
  font-size:15px;
  line-height:1;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease,border-color .2s ease;
}
.btn-c-primary{background:var(--c-primary);color:#fff;}
.btn-c-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-c-primary:active{transform:translateY(0);}
.btn-c-outline{background:#fff;color:var(--c-text);border-color:var(--c-line);}
.btn-c-outline:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.btn-c-sm{padding:9px 16px;font-size:13.5px;}

/* Mega 下拉 */
.mega-wrap{position:relative;}
.mega-toggle{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:9px 12px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-text);
  background:transparent;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:all .2s ease;
}
.mega-toggle .caret{font-size:10px;transition:transform .2s ease;}
.mega-wrap:hover .mega-toggle,
.mega-wrap.show .mega-toggle{
  background:var(--c-paper);
  border-color:var(--c-line);
}
.mega-wrap:hover .mega-toggle .caret,
.mega-wrap.show .mega-toggle .caret{transform:rotate(180deg);}
.mega-menu{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  left:auto;
  width:720px;
  display:none;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-block);
  box-shadow:var(--sh-2);
  padding:24px;
  z-index:1040;
}
.mega-menu.show{display:block;}
.mega-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.mega-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-muted);
  text-transform:uppercase;
  margin-bottom:14px;
}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 18px;}
.mega-links a{
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  padding:6px 0;
  display:block;
}
.mega-links a:hover{color:var(--c-primary);}
.mega-card{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-paper);
}
.mega-card img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:0;
}
.mega-card-body{padding:14px;}
.mega-card-body h4{font-size:15px;font-weight:700;margin-bottom:6px;}
.mega-card-body p{font-size:12.5px;line-height:1.7;color:var(--c-muted);margin-bottom:12px;}
.mega-card-body .btn-c{width:100%;padding:10px 14px;font-size:13.5px;}

/* 移动端切换按钮 */
.nav-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:12px;
  color:var(--c-text);
  font-size:16px;
}
.offcanvas-c{
  background:var(--c-paper);
  width:min(88vw,360px);
}
.offcanvas-c .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px;}
.offcanvas-c .offcanvas-body{padding:16px 20px 100px;}
.m-nav-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 4px;
  font-size:15.5px;
  font-weight:600;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.m-nav-list a:hover,.m-nav-list a.active{color:var(--c-primary);}
.m-off-cta{
  position:absolute;
  left:20px;right:20px;bottom:20px;
}
.m-off-cta .btn-c{width:100%;}
@media (max-width:1199.98px){
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .mega-wrap{display:none;}
}
@media (max-width:575.98px){
  .header-inner{height:66px;gap:10px;}
  .brand-mark{font-size:18px;}
  .brand-sub{font-size:11.5px;padding:4px 8px;}
  .header-actions .btn-c-primary{display:none;}
}

/* ============ 面包屑 & 页头 ============ */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  padding:26px 0 0;
}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{opacity:.6;}
.crumb .cur{color:var(--c-text);font-weight:600;}
.page-head{padding:26px 0 44px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-primary);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;height:3px;
  border-radius:3px;
  background:var(--c-primary);
}
.page-head h1{
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.3px;
  margin-bottom:14px;
}
.page-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--c-muted);
  max-width:640px;
}
.head-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.3px;
  color:var(--c-teal);
  background:var(--c-teal-soft);
  border:1px solid #CFE5DF;
  border-radius:var(--r-pill);
  padding:5px 12px;
}
.chip-warm{
  color:var(--c-primary-dark);
  background:var(--c-primary-soft);
  border-color:#F7D3C3;
}
@media (max-width:767.98px){
  .page-head h1{font-size:32px;}
  .page-lead{font-size:15.5px;}
}
@media (max-width:575.98px){
  .page-head{padding:20px 0 32px;}
  .page-head h1{font-size:27px;}
}

/* ============ 板块通用 ============ */
.section{padding-top:var(--sec);}
.section-tight{padding-top:64px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
  flex-wrap:wrap;
}
.section-head h2{
  font-size:30px;
  font-weight:700;
  letter-spacing:-.3px;
  line-height:1.3;
}
.section-head p{
  font-size:14.5px;
  color:var(--c-muted);
  margin-top:8px;
  max-width:560px;
}
.text-link{
  font-size:14px;
  font-weight:600;
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
  white-space:nowrap;
}
.text-link:hover{color:var(--c-primary-dark);}
.text-link i{font-size:11px;transition:transform .2s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ============ 瀑布流 ============ */
.waterfall{
  column-count:3;
  column-gap:24px;
}
.wf-card{
  display:block;
  width:100%;
  break-inside:avoid;
  -webkit-column-break-inside:avoid;
  page-break-inside:avoid;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  margin:0 0 24px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.wf-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:#DCD5C8;
}
.wf-thumb{
  border-radius:var(--r-img);
  overflow:hidden;
  margin:-20px -20px 16px;
}
.wf-thumb img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  transition:transform .2s ease;
}
.wf-card:hover .wf-thumb img{transform:scale(1.03);}
.wf-tag{
  display:inline-flex;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-teal);
  background:var(--c-teal-soft);
  border:1px solid #CFE5DF;
  border-radius:var(--r-pill);
  padding:3px 10px;
  margin-bottom:12px;
}
.wf-tag.hot{
  color:var(--c-primary-dark);
  background:var(--c-primary-soft);
  border-color:#F7D3C3;
}
.wf-title{
  font-size:18px;
  font-weight:700;
  line-height:1.45;
  letter-spacing:-.2px;
  margin-bottom:10px;
  transition:color .2s ease;
}
.wf-card:hover .wf-title{color:var(--c-primary);}
.wf-text{
  font-size:14.5px;
  line-height:1.8;
  color:var(--c-muted);
}
.wf-list{
  margin-top:14px;
  border-top:1px dashed var(--c-line);
  padding-top:12px;
}
.wf-list li{
  position:relative;
  padding-left:18px;
  font-size:13.5px;
  line-height:1.8;
  color:var(--c-text);
  margin-bottom:6px;
}
.wf-list li:last-child{margin-bottom:0;}
.wf-list li::before{
  content:"";
  position:absolute;
  left:0;top:.72em;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--c-primary);
}
.wf-note{
  margin-top:14px;
  font-size:12.5px;
  color:var(--c-teal);
  background:var(--c-teal-soft);
  border-radius:10px;
  padding:8px 12px;
  line-height:1.7;
}
@media (max-width:991.98px){
  .waterfall{column-count:2;}
}
@media (max-width:575.98px){
  .waterfall{column-count:1;}
  .wf-card{padding:16px;}
  .wf-thumb{margin:-16px -16px 14px;}
}

/* ============ 深色转化带 ============ */
.cta-band{
  position:relative;
  margin-top:var(--sec);
  border-radius:var(--r-block);
  overflow:hidden;
  background:var(--c-ink);
  background-image:linear-gradient(180deg,rgba(20,22,26,.90),rgba(20,22,26,.97)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.cta-stripes{
  height:8px;
  background:repeating-linear-gradient(135deg,var(--c-primary) 0 10px,rgba(255,92,40,0) 10px 20px);
}
.cta-inner{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
  padding:52px 48px 56px;
}
.cta-inner h2{
  font-size:30px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.3px;
  margin-bottom:14px;
}
.cta-inner p{
  font-size:15.5px;
  line-height:1.8;
  color:rgba(255,255,255,.72);
  max-width:520px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.btn-c-light{background:#fff;color:var(--c-ink);}
.btn-c-light:hover{background:#F2EDE4;color:var(--c-ink);transform:translateY(-1px);}
.btn-c-ghost{
  background:transparent;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
}
.btn-c-ghost:hover{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.6);}
.cta-side{
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-card);
  padding:22px;
  background:rgba(35,38,43,.55);
}
.cta-side h3{
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  color:#fff;
}
.cta-side ul li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.75;
  color:rgba(255,255,255,.72);
  padding:9px 0;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.cta-side ul li:last-child{border-bottom:0;padding-bottom:0;}
.cta-side ul li span.num{
  font-family:var(--ff-num);
  font-size:15px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.6;
}
@media (max-width:991.98px){
  .cta-inner{grid-template-columns:1fr;padding:40px 28px 44px;}
}
@media (max-width:575.98px){
  .cta-inner{padding:32px 20px 36px;}
  .cta-inner h2{font-size:23px;}
  .cta-actions .btn-c{flex:1 1 100%;}
}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;}
.accordion-c .accordion-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:0;
  overflow:hidden;
}
.accordion-c .accordion-item:first-child{border-radius:var(--r-card) var(--r-card) 0 0;}
.accordion-c .accordion-item:last-child{border-radius:0 0 var(--r-card) var(--r-card);}
.accordion-c .accordion-item + .accordion-item{margin-top:-1px;}
.accordion-c .accordion-button{
  background:#fff;
  color:var(--c-text);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:18px 52px 18px 20px;
  box-shadow:none;
  border-radius:0;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.accordion-c .accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:#FFF8F4;
  box-shadow:inset 4px 0 0 var(--c-primary);
}
.accordion-c .accordion-button:focus{
  box-shadow:0 0 0 3px rgba(255,92,40,.25);
  z-index:2;
}
.accordion-c .accordion-button::after{
  content:"+";
  font-family:var(--ff);
  font-size:22px;
  font-weight:400;
  line-height:1;
  width:26px;height:26px;
  display:flex;
  align-items:center;
  justify-content:center;
  background-image:none;
  transform:none;
  color:var(--c-muted);
  transition:color .2s ease,transform .2s ease;
}
.accordion-c .accordion-button:not(.collapsed)::after{
  content:"−";
  color:var(--c-primary);
  transform:none;
}
.accordion-c .accordion-body{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
  background:#FFF8F4;
}

/* ============ 分类交叉链接 ============ */
.cross-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.cross-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
  border-color:#DCD5C8;
}
.cross-card h4{
  font-size:16px;
  font-weight:700;
  margin-bottom:6px;
  transition:color .2s ease;
}
.cross-card:hover h4{color:var(--c-primary);}
.cross-card p{font-size:13px;line-height:1.7;color:var(--c-muted);}
.cross-card .arrow{
  flex-shrink:0;
  width:34px;height:34px;
  border-radius:var(--r-pill);
  background:var(--c-paper);
  border:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:12px;
  color:var(--c-muted);
  transition:all .2s ease;
}
.cross-card:hover .arrow{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
@media (max-width:991.98px){
  .cross-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:575.98px){
  .cross-grid{grid-template-columns:1fr;gap:16px;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:#B9BEC6;
  padding-top:64px;
  margin-top:var(--sec);
}
.footer-main{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand-mark{color:#fff;}
.footer-desc{
  font-size:14px;
  line-height:1.9;
  color:#9AA0A8;
  margin-top:16px;
}
.qr-box{
  width:118px;height:118px;
  margin-top:18px;
  border:1px dashed rgba(255,255,255,.25);
  border-radius:var(--r-img);
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.6;
  color:#8B9199;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  font-size:14px;
  color:#9AA0A8;
  display:inline-block;
  transition:color .2s ease,transform .2s ease;
}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-note{font-size:14px;line-height:1.9;color:#9AA0A8;}
.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:#7D838B;
}
@media (max-width:991.98px){
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .footer-main{grid-template-columns:1fr;}
  .site-footer{padding-top:48px;}
}

/* ============ 响应式区块间距 ============ */
@media (max-width:1199.98px){:root{--sec:80px;}}
@media (max-width:991.98px){:root{--sec:72px;}}
@media (max-width:575.98px){:root{--sec:56px;}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
  }
  .wf-card:hover,
  .cross-card:hover,
  .btn-c:hover{transform:none;}
  .wf-card:hover .wf-thumb img{transform:none;}
}

/* roulang page: category4 */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-teal:#0E7C66;
  --c-teal-soft:#E4F2EE;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-lg:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 6px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --font-zh:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",ui-condensed,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-zh);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;object-fit:cover;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.3px;line-height:1.2;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* 容器 */
.container,
body .container{
  width:100%;
  max-width:1160px;
  margin-inline:auto;
  padding-inline:24px;
}
@media (min-width:1400px){
  .container,
  body .container{max-width:1240px;}
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family:var(--font-zh);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  padding:12px 26px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;box-shadow:none;}
.btn-brand{background-color:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.btn-brand:hover{background-color:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background-color:#fff;border-color:var(--c-line);color:var(--c-ink);}
.btn-ghost:hover{background-color:#fff;border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light-outline{background-color:transparent;border-color:rgba(255,255,255,.36);color:#fff;}
.btn-light-outline:hover{background-color:rgba(255,255,255,.12);border-color:rgba(255,255,255,.6);color:#fff;transform:translateY(-1px);}
.btn-light-outline:active{transform:translateY(0);}
.btn-block{width:100%;}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s ease, box-shadow .2s ease;
}
.site-header.scrolled{background:#fff;box-shadow:var(--sh-1);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  position:relative;
}
.brand{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  font-size:20px;
  font-weight:800;
  letter-spacing:-.4px;
  white-space:nowrap;
  flex:none;
}
.brand-mark{color:var(--c-ink);}
.brand-sub{color:var(--c-primary);position:relative;}
.brand-sub::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:3px;
  border-radius:3px;
  background:var(--c-primary);
  opacity:.35;
}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto;}
.nav-link-top{
  position:relative;
  padding:8px 10px;
  font-size:15px;
  font-weight:600;
  color:var(--c-muted);
  white-space:nowrap;
}
.nav-link-top::after{
  content:"";
  position:absolute;
  left:10px;right:10px;bottom:0;
  height:3px;
  border-radius:3px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .2s ease;
}
.nav-link-top:hover{color:var(--c-ink);}
.nav-link-top:hover::after{transform:scaleX(1);}
.nav-link-top.active{color:var(--c-ink);}
.nav-link-top.active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink);
  display:grid;
  place-items:center;
  font-size:15px;
  cursor:pointer;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease;
}
.icon-btn:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.nav-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:transparent;
  border:1px solid transparent;
  color:var(--c-muted);
  font-size:15px;
  font-weight:600;
  padding:8px 12px;
  border-radius:var(--r-pill);
  cursor:pointer;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease;
}
.nav-more:hover{background:#fff;border-color:var(--c-line);color:var(--c-ink);}
.nav-more::after{
  content:"";
  display:inline-block;
  width:0;height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:5px solid currentColor;
  transition:transform .2s ease;
  transform-origin:center 35%;
}
.dropdown:hover .nav-more::after{transform:rotate(180deg);}
.mega-menu{
  position:absolute;
  left:auto;
  right:0;
  top:calc(100% + 14px);
  width:720px;
  padding:24px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
  margin-top:0;
}
.dropdown:hover .mega-menu{display:block;}
.mega-grid{display:grid;grid-template-columns:1fr 250px;gap:24px;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;}
.mega-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-teal);
  margin-bottom:6px;
  padding-bottom:6px;
  border-bottom:1px solid var(--c-line);
}
.mega-col a{
  display:block;
  font-size:14px;
  font-weight:500;
  color:var(--c-text);
  padding:7px 0;
  border-radius:6px;
}
.mega-col a:hover{color:var(--c-primary);}
.mega-card{
  display:flex;
  flex-direction:column;
  gap:12px;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-paper);
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.mega-card:hover{transform:translateY(-2px);box-shadow:var(--sh-1);border-color:#d9d2c6;}
.mega-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.mega-card-body{display:block;padding:0 16px 16px;}
.mega-card-title{display:block;font-size:15px;font-weight:700;color:var(--c-ink);}
.mega-card-desc{display:block;font-size:13px;color:var(--c-muted);margin:4px 0 10px;line-height:1.6;}
.mega-card-btn{
  display:inline-flex;
  align-items:center;
  font-size:13px;
  font-weight:700;
  color:#fff;
  background:var(--c-primary);
  border-radius:var(--r-pill);
  padding:7px 16px;
}
.nav-toggler{
  display:none;
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink);
  align-items:center;
  justify-content:center;
  font-size:16px;
  cursor:pointer;
}
.nav-toggler:hover{border-color:var(--c-primary);color:var(--c-primary);}

@media (max-width:1159px){
  .main-nav{display:none;}
  .nav-toggler{display:inline-flex;}
  .header-actions{margin-left:auto;}
}
@media (max-width:575px){
  .header-inner{height:64px;gap:12px;}
  .brand{font-size:17px;}
  .header-actions .btn-brand{display:none;}
}

/* 移动端抽屉 */
.offcanvas.nav-drawer{background:var(--c-paper);width:min(340px,88vw);}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid var(--c-line);
  padding:16px 20px;
}
.nav-drawer .offcanvas-title{font-size:17px;font-weight:800;}
.nav-drawer .offcanvas-body{
  display:flex;
  flex-direction:column;
  gap:16px;
  padding:20px;
}
.drawer-title{
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-muted);
  margin-bottom:8px;
}
.drawer-list a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:13px 4px;
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  border-bottom:1px solid var(--c-line);
}
.drawer-list a:last-child{border-bottom:none;}
.drawer-list a:hover,
.drawer-list a.active{color:var(--c-primary);}
.drawer-list a i{font-size:12px;color:var(--c-muted);}
.drawer-cta{margin-top:auto;padding-top:16px;}

/* 面包屑 */
.crumb-bar{padding:20px 0 4px;}
.crumb{display:flex;align-items:center;flex-wrap:wrap;font-size:14px;color:var(--c-muted);}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb-sep{margin:0 8px;color:#c9c3b7;}
.crumb .is-current{color:var(--c-ink);font-weight:600;}

/* 页头 */
.page-head{
  position:relative;
  overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  padding:40px 0 56px;
  margin-top:16px;
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center;
  opacity:.12;
  pointer-events:none;
}
.page-head-inner{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
  color:var(--c-teal);
  background:var(--c-teal-soft);
  border:1px solid rgba(14,124,102,.16);
  padding:6px 14px;
  border-radius:var(--r-pill);
}
.page-head h1{
  font-size:44px;
  line-height:1.15;
  font-weight:800;
  margin-top:18px;
  max-width:820px;
}
.page-lead{
  margin-top:14px;
  font-size:18px;
  color:var(--c-muted);
  max-width:640px;
}
.page-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* 数据条 */
.stat-strip{
  position:relative;
  z-index:2;
  margin-top:40px;
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:8px 4px;
}
.stat{padding:18px 22px;border-left:1px dashed var(--c-line);}
.stat:first-child{border-left:none;}
.stat-num{
  display:block;
  font-family:var(--font-num);
  font-size:38px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.5px;
  color:var(--c-ink);
}
.stat-num .unit{
  font-size:15px;
  font-weight:600;
  letter-spacing:0;
  margin-left:4px;
  color:var(--c-primary);
}
.stat-label{display:block;margin-top:8px;font-size:13px;color:var(--c-muted);line-height:1.6;}

/* 区块 */
.section{padding:96px 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.block-head{margin-bottom:32px;}
.block-head h2{font-size:30px;font-weight:700;}
.block-sub{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:640px;}

/* 两栏不对称布局 */
.split-layout{
  display:grid;
  grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);
  gap:40px;
  align-items:start;
}
#qaList{scroll-margin-top:96px;}

/* 问答手风琴 */
.qa-accordion{margin-top:8px;}
.qa-accordion .accordion-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:0;
  margin-bottom:-1px;
  overflow:hidden;
}
.qa-accordion .accordion-item:first-child{border-radius:18px 18px 0 0;}
.qa-accordion .accordion-item:last-child{border-radius:0 0 18px 18px;margin-bottom:0;}
.qa-accordion .accordion-item:only-child{border-radius:18px;}
.qa-accordion .accordion-header{margin:0;}
.qa-accordion .accordion-button{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 22px 18px 26px;
  background-color:#fff;
  color:var(--c-text);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  text-align:left;
  border:0;
  border-radius:0;
  box-shadow:none;
}
.qa-accordion .accordion-button::after{display:none;}
.qa-accordion .accordion-button::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:transparent;
  transition:background-color .2s ease;
}
.qa-accordion .accordion-button:not(.collapsed){color:var(--c-primary);background-color:#fff;}
.qa-accordion .accordion-button:not(.collapsed)::before{background:var(--c-primary);}
.qa-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.qa-accordion .accordion-button:hover .q-text{color:var(--c-primary);}
.q-text{flex:1 1 auto;}
.q-toggle{
  flex:none;
  position:relative;
  width:20px;height:20px;
  color:var(--c-muted);
}
.q-toggle::before,
.q-toggle::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
  transition:transform .2s ease, background-color .2s ease;
}
.q-toggle::before{left:3px;right:3px;top:9px;height:2px;}
.q-toggle::after{top:3px;bottom:3px;left:9px;width:2px;}
.qa-accordion .accordion-button:not(.collapsed) .q-toggle{color:var(--c-primary);}
.qa-accordion .accordion-button:not(.collapsed) .q-toggle::after{transform:scaleY(0);}
.qa-accordion .accordion-body{
  padding:0 26px 20px 26px;
  font-size:15px;
  line-height:1.8;
  color:var(--c-muted);
}

/* 内联提示卡 */
.inline-cta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-top:28px;
  padding:20px 24px;
  background:#fff;
  border:1px dashed #d8d1c4;
  border-radius:var(--r-card);
}
.inline-cta strong{display:block;font-size:16px;color:var(--c-ink);font-weight:700;}
.inline-cta p{font-size:14px;color:var(--c-muted);margin-top:4px;}

/* 右侧要点卡 */
.split-side{position:sticky;top:96px;}
.side-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px;
  box-shadow:var(--sh-1);
}
.side-card h3{font-size:20px;font-weight:700;}
.side-note{margin-top:8px;font-size:14px;color:var(--c-muted);line-height:1.7;}
.check-list{margin-top:18px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  padding:13px 0;
  font-size:15px;
  line-height:1.75;
  color:var(--c-text);
  border-bottom:1px dashed var(--c-line);
}
.check-list li:last-child{border-bottom:none;padding-bottom:0;}
.check-list li::before{
  content:"✓";
  flex:none;
  width:22px;height:22px;
  margin-top:2px;
  border-radius:50%;
  background:var(--c-teal-soft);
  color:var(--c-teal);
  font-size:12px;
  font-weight:700;
  line-height:1;
  display:grid;
  place-items:center;
}
.side-figure{
  margin:22px 0 20px;
  border-radius:var(--r-img);
  overflow:hidden;
  aspect-ratio:4/3;
  border:1px solid var(--c-line);
  background:var(--c-paper);
}
.side-figure img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
.side-figure:hover img{transform:scale(1.03);}
.side-caption{margin-top:10px;font-size:13px;color:var(--c-muted);line-height:1.7;}
.side-card .btn{margin-top:6px;}

/* 交叉链接分类卡 */
.xlink-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.xlink-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.xlink-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#d9d2c6;}
.xlink-thumb{aspect-ratio:4/3;overflow:hidden;background:var(--c-paper);}
.xlink-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .2s ease;}
.xlink-card:hover .xlink-thumb img{transform:scale(1.03);}
.xlink-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1 1 auto;}
.xlink-title{font-size:17px;font-weight:700;line-height:1.5;transition:color .2s ease;}
.xlink-card:hover .xlink-title{color:var(--c-primary);}
.xlink-desc{margin-top:8px;font-size:14px;line-height:1.7;color:var(--c-muted);}
.xlink-arrow{
  margin-top:auto;
  padding-top:14px;
  font-size:13px;
  font-weight:700;
  color:var(--c-primary);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.xlink-arrow i{font-size:11px;transition:transform .2s ease;}
.xlink-card:hover .xlink-arrow i{transform:translateX(3px);}

/* 深色转化带 */
.section-cta{
  position:relative;
  overflow:hidden;
  background:var(--c-ink);
  padding:64px 0;
}
.section-cta::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;
  background-position:center;
  opacity:.18;
  pointer-events:none;
}
.section-cta::after{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:8px;
  background:repeating-linear-gradient(45deg,var(--c-primary) 0 8px,transparent 8px 16px);
  opacity:.65;
}
.cta-inner{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:30px;color:#fff;}
.cta-inner p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.7);max-width:560px;line-height:1.8;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--c-ink);color:#fff;padding:72px 0 0;}
.footer-main{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:36px;
}
.footer-brand .brand{font-size:20px;}
.footer-brand .brand-mark{color:#fff;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.qr-box{
  width:104px;height:104px;
  margin-top:20px;
  border:1px dashed rgba(255,255,255,.3);
  border-radius:var(--r-img);
  display:grid;
  place-items:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.55);
}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{
  display:inline-block;
  font-size:14px;
  color:rgba(255,255,255,.62);
  transition:color .2s ease, transform .2s ease;
}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px);}
.footer-note{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);}
.footer-bottom{
  margin-top:56px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.45);
}

/* 响应式 */
@media (max-width:1199px){
  .split-layout{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:32px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .page-head h1{font-size:36px;}
  .split-layout{grid-template-columns:1fr;gap:32px;}
  .split-side{position:static;top:auto;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat:nth-child(3){border-left:none;}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px dashed var(--c-line);}
  .xlink-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px;}
  .block-head h2{font-size:26px;}
  .cta-inner h2{font-size:26px;}
}
@media (max-width:575px){
  .container,
  body .container{padding-inline:16px;}
  .section{padding:56px 0;}
  .page-head{padding:28px 0 44px;}
  .page-head h1{font-size:30px;}
  .page-lead{font-size:16px;}
  .page-actions .btn{width:100%;}
  .stat-strip{grid-template-columns:1fr;padding:4px 0;}
  .stat{border-left:none;border-top:1px dashed var(--c-line);padding:16px 20px;}
  .stat:first-child{border-top:none;}
  .stat-num{font-size:32px;}
  .side-card{padding:20px;}
  .qa-accordion .accordion-button{padding:16px 18px 16px 22px;font-size:15px;}
  .qa-accordion .accordion-body{padding:0 22px 18px 22px;}
  .xlink-grid{grid-template-columns:1fr;}
  .footer-main{grid-template-columns:1fr;}
  .cta-inner h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .inline-cta{padding:18px;}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    transition-duration:.01ms !important;
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
  }
  .xlink-card:hover,
  .mega-card:hover,
  .btn:hover{transform:none !important;}
  .xlink-card:hover .xlink-thumb img,
  .side-figure:hover img,
  .xlink-card:hover .xlink-arrow i{transform:none !important;}
}

/* roulang page: category6 */
:root{
  --c-primary:#FF5C28;
  --c-primary-dark:#E04415;
  --c-teal:#0E7C66;
  --c-teal-soft:#E4F2EE;
  --c-ink:#14161A;
  --c-ink-2:#23262B;
  --c-paper:#FAF8F4;
  --c-card:#FFFFFF;
  --c-line:#E6E1D8;
  --c-muted:#6B7078;
  --c-text:#1A1C1E;
  --r-card:16px;
  --r-img:12px;
  --r-block:24px;
  --r-pill:999px;
  --r-input:10px;
  --sh-1:0 6px 24px rgba(20,22,26,.06);
  --sh-2:0 12px 32px rgba(20,22,26,.12);
  --tr:.2s ease;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Arial Narrow","Helvetica Neue",system-ui,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(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;letter-spacing:-.3px;color:var(--c-ink);font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ============ 容器 ============ */
.container{width:100%;max-width:1160px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
@media (min-width:1400px){.container{max-width:1240px}}
@media (max-width:767px){.container{padding-left:20px;padding-right:20px}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px}}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--c-paper);
  border-bottom:1px solid var(--c-line);
  transition:background var(--tr),box-shadow var(--tr);
}
.site-header.is-scrolled{background:#fff;box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.logo{display:inline-flex;align-items:center;flex-shrink:0}
.brand{display:inline-flex;align-items:center;gap:8px;font-size:19px;font-weight:800;letter-spacing:-.4px;line-height:1.1;white-space:nowrap}
.brand-mark{
  color:#fff;background:var(--c-primary);
  padding:5px 10px;border-radius:8px;
  font-weight:800;
}
.brand-sub{
  color:var(--c-ink);
  border-bottom:3px solid var(--c-teal);
  padding-bottom:2px;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link-top{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;font-weight:600;color:var(--c-ink);
  white-space:nowrap;
}
.nav-link-top::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:3px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--tr);
}
.nav-link-top:hover{color:var(--c-primary)}
.nav-link-top:hover::after{transform:scaleX(1)}
.nav-link-top.active{color:var(--c-primary)}
.nav-link-top.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--tr);
}
.icon-btn:hover{background:var(--c-paper);color:var(--c-primary);border-color:#d9d2c6}

/* 按钮 */
.btn-k1{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  padding:11px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--tr),background var(--tr),color var(--tr),box-shadow var(--tr),border-color var(--tr);
  line-height:1.2;
}
.btn-k1-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(255,92,40,.24)}
.btn-k1-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-k1-primary:active{transform:translateY(0)}
.btn-k1-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-k1-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-k1-dark{background:var(--c-ink);color:#fff}
.btn-k1-dark:hover{background:var(--c-ink-2);color:#fff;transform:translateY(-1px)}
.btn-k1-sm{padding:8px 16px;font-size:14px}
.btn-k1-lg{padding:14px 30px;font-size:16px}
.btn-k1-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.btn-k1-outline-light:hover{background:rgba(255,255,255,.1);color:#fff}

/* 下拉 Mega Menu */
.mega-toggle{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--r-pill);
  background:transparent;border:1px solid transparent;
  font-size:15px;font-weight:600;color:var(--c-ink);cursor:pointer;
  transition:all var(--tr);
}
.mega-toggle:hover{background:#fff;border-color:var(--c-line);color:var(--c-primary)}
.mega-toggle .arrow{transition:transform var(--tr);font-size:12px}
.dropdown.show .mega-toggle{background:var(--c-paper);border-color:var(--c-line)}
.dropdown.show .mega-toggle .arrow{transform:rotate(180deg)}
.mega-menu{
  width:720px;border:1px solid var(--c-line);border-radius:var(--r-block);
  box-shadow:var(--sh-2);padding:22px;margin-top:14px !important;
  background:#fff;
}
.mega-menu.show{display:block}
.mega-grid{display:grid;grid-template-columns:1fr 1fr 300px;gap:20px}
.mega-title{font-size:12px;letter-spacing:.5px;color:var(--c-muted);font-weight:700;margin-bottom:10px}
.mega-list li{margin-bottom:2px}
.mega-list a{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:10px;font-size:14px;font-weight:600;color:var(--c-ink);transition:all var(--tr)}
.mega-list a:hover{background:var(--c-paper);color:var(--c-primary);transform:translateX(2px)}
.mega-list i{color:var(--c-teal);font-size:12px}
.mega-entry{
  background:var(--c-paper);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:14px;display:flex;flex-direction:column;gap:10px;
}
.mega-entry img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img)}
.mega-entry p{font-size:13px;line-height:1.7;color:var(--c-muted)}

/* 移动端 offcanvas */
.mobile-panel{background:var(--c-paper);width:min(88vw,360px)}
.mobile-panel .offcanvas-header{border-bottom:1px solid var(--c-line);padding:18px 20px}
.mobile-nav-list{padding:12px 0}
.mobile-nav-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:13px 20px;font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-nav-list a.active{color:var(--c-primary)}
.mobile-nav-list a i{color:var(--c-muted);font-size:13px}
.mobile-cta{position:sticky;bottom:0;background:#fff;border-top:1px solid var(--c-line);padding:14px 20px}

/* ============ 面包屑 ============ */
.crumb-bar{padding:20px 0 0}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted)}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{opacity:.5}
.crumb .cur{color:var(--c-ink);font-weight:600}

/* ============ 页面头部 ============ */
.page-head{padding:36px 0 44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.5px;font-weight:700;
  color:var(--c-teal);background:var(--c-teal-soft);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:18px;
}
.page-head h1{font-size:44px;line-height:1.15;font-weight:800;letter-spacing:-.3px}
.page-head .lead-line{margin-top:14px;font-size:16px;color:var(--c-muted);max-width:640px}
.head-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill-meta{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:7px 15px;font-size:13px;color:var(--c-muted);font-weight:600;
}
.pill-meta i{color:var(--c-primary);font-size:12px}

/* ============ 筛选标签条 ============ */
.filter-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-block);
  padding:18px 22px;box-shadow:var(--sh-1);
  margin-bottom:36px;
}
.filter-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.filter-head .dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary)}
.filter-head span{font-size:13px;font-weight:700;color:var(--c-ink);letter-spacing:.5px}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;
  font-size:14px;font-weight:600;color:var(--c-ink);
  transition:all var(--tr);
}
.chip i{font-size:11px;color:var(--c-muted);transition:color var(--tr)}
.chip:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}
.chip:hover i{color:var(--c-primary)}
.chip.active{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}
.chip.active i{color:var(--c-primary)}

/* ============ 日期分组行式列表 ============ */
.date-group{margin-bottom:40px;scroll-margin-top:96px}
.date-head{
  display:flex;align-items:baseline;gap:12px;
  padding-bottom:12px;border-bottom:2px solid var(--c-ink);
  margin-bottom:4px;
}
.date-num{font-family:var(--font-num);font-size:30px;font-weight:700;letter-spacing:.5px;color:var(--c-ink);line-height:1}
.date-week{font-size:14px;font-weight:700;color:var(--c-primary)}
.date-count{margin-left:auto;font-size:12px;font-weight:600;color:var(--c-muted);letter-spacing:.5px}

.feed-row{
  display:grid;
  grid-template-columns:88px 112px 1fr 44px;
  gap:20px;align-items:center;
  padding:20px 8px;
  border-bottom:1px solid var(--c-line);
  transition:background var(--tr),transform var(--tr);
}
.feed-row:hover{background:#fff;transform:translateX(2px)}
.feed-row:hover .feed-title{color:var(--c-primary)}
.feed-row:hover .feed-arrow{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.feed-time{display:flex;flex-direction:column;gap:2px}
.t-num{font-family:var(--font-num);font-size:24px;font-weight:700;letter-spacing:.5px;color:var(--c-ink);line-height:1.1}
.t-label{font-size:12px;color:var(--c-muted);font-weight:600;letter-spacing:.5px}
.feed-thumb{width:112px;aspect-ratio:4/3;overflow:hidden;border-radius:var(--r-img);background:var(--c-paper)}
.feed-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.feed-row:hover .feed-thumb img{transform:scale(1.03)}
.feed-thumb.blank{
  display:flex;align-items:center;justify-content:center;
  background:var(--c-teal-soft);color:var(--c-teal);font-size:20px;
  border:1px dashed #c6ded8;
}
.feed-body{min-width:0}
.feed-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.badge-tag{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.5px;font-weight:700;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--c-teal-soft);color:var(--c-teal);
}
.badge-tag.hot{background:#FFEDE6;color:var(--c-primary-dark)}
.badge-tag.ghost{background:transparent;color:var(--c-muted);border:1px solid var(--c-line)}
.badge-tag.off{background:#F1EEE8;color:#9a9a95}
.feed-title{
  font-size:18px;font-weight:700;line-height:1.45;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--tr);
}
.feed-desc{
  margin-top:6px;font-size:14px;line-height:1.75;color:var(--c-muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feed-arrow{
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;transition:all var(--tr);
}

/* ============ 交叉链接分类 ============ */
.cross-section{padding:8px 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:30px;font-weight:700}
.section-head p{font-size:15px;color:var(--c-muted);margin-top:6px}
.cross-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.cross-card{
  position:relative;display:flex;flex-direction:column;gap:8px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 18px;box-shadow:var(--sh-1);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.cross-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#dcd5c8}
.cross-card:hover .cross-name{color:var(--c-primary)}
.cross-ico{
  width:38px;height:38px;border-radius:12px;
  background:var(--c-teal-soft);color:var(--c-teal);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.cross-name{font-size:15px;font-weight:700;color:var(--c-ink);transition:color var(--tr)}
.cross-desc{font-size:13px;line-height:1.7;color:var(--c-muted)}
.cross-card .go{font-size:12px;font-weight:700;color:var(--c-primary);letter-spacing:.5px}

/* ============ FAQ ============ */
.faq-section{padding:0 0 84px}
.accordion-k1 .accordion-item{
  background:#fff;border:1px solid var(--c-line);
  margin-top:-1px;border-radius:0;
}
.accordion-k1 .accordion-item:first-child{margin-top:0;border-radius:14px 14px 0 0}
.accordion-k1 .accordion-item:last-child{border-radius:0 0 14px 14px}
.accordion-k1 .accordion-button{
  font-size:17px;font-weight:700;color:var(--c-ink);
  background:#fff;padding:20px 22px;border-radius:0 !important;
  box-shadow:none;position:relative;
}
.accordion-k1 .accordion-button:not(.collapsed){color:var(--c-primary);background:var(--c-paper)}
.accordion-k1 .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-primary);
}
.accordion-k1 .accordion-button::after{
  background-image:none;content:"+";
  font-size:20px;font-weight:400;color:var(--c-muted);
  width:auto;height:auto;transform:none;line-height:1;
}
.accordion-k1 .accordion-button:not(.collapsed)::after{content:"−";color:var(--c-primary)}
.accordion-k1 .accordion-button:focus{box-shadow:none}
.accordion-k1 .accordion-body{
  font-size:15px;line-height:1.8;color:var(--c-muted);
  padding:16px 22px 20px;background:#fff;
}

/* ============ 深色 CTA ============ */
.cta-band{position:relative;background:var(--c-ink);color:#fff;overflow:hidden}
.cta-stripe{
  height:8px;
  background:repeating-linear-gradient(-45deg,var(--c-primary) 0 10px,transparent 10px 20px);
  opacity:.85;
}
.cta-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:40px;align-items:center;padding:64px 0}
.cta-inner h2{color:#fff;font-size:32px;line-height:1.25}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin-top:12px;max-width:560px}
.cta-steps{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-step{
  display:flex;align-items:center;gap:10px;
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;color:rgba(255,255,255,.86);font-weight:600;
}
.cta-step b{font-family:var(--font-num);font-size:16px;color:var(--c-primary);font-weight:700}
.cta-right{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-right .hint{font-size:13px;color:rgba(255,255,255,.6)}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 0;margin-top:0}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .brand{font-size:18px}
.footer-brand .brand-sub{color:#fff;border-bottom-color:var(--c-primary)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin-top:16px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-list li{margin-bottom:10px}
.footer-list a{font-size:14px;color:rgba(255,255,255,.66);transition:all var(--tr);display:inline-block}
.footer-list a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-note{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6)}
.qr-box{
  margin-top:18px;width:104px;height:104px;border-radius:14px;
  border:1px dashed rgba(255,255,255,.24);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.6;color:rgba(255,255,255,.5);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .main-nav{display:none}
  .header-actions{margin-left:auto}
}
@media (max-width:991px){
  .page-head h1{font-size:36px}
  .cross-grid{grid-template-columns:repeat(3,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:28px;padding:52px 0}
  .footer-main{grid-template-columns:1fr 1fr;gap:32px}
  .mega-menu{width:100%}
}
@media (max-width:767px){
  .page-head{padding:26px 0 32px}
  .page-head h1{font-size:30px}
  .feed-row{grid-template-columns:70px 1fr 40px;gap:14px;padding:18px 4px}
  .feed-thumb{display:none}
  .t-num{font-size:20px}
  .feed-title{font-size:16px}
  .cross-grid{grid-template-columns:repeat(2,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .filter-card{padding:16px 16px}
  .date-num{font-size:24px}
}
@media (max-width:575px){
  .cross-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:28px}
  .feed-row{grid-template-columns:64px 1fr 36px}
  .feed-arrow{width:36px;height:36px}
  .btn-k1{width:100%;justify-content:center}
  .header-actions .btn-k1{width:auto}
  .cta-right{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .feed-row:hover{transform:none}
  .feed-row:hover .feed-thumb img{transform:none}
  .cross-card:hover{transform:none}
}